WO2012138126A2 - Rod mounting device for drilling machine - Google Patents

Rod mounting device for drilling machine Download PDF

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Publication number
WO2012138126A2
WO2012138126A2 PCT/KR2012/002536 KR2012002536W WO2012138126A2 WO 2012138126 A2 WO2012138126 A2 WO 2012138126A2 KR 2012002536 W KR2012002536 W KR 2012002536W WO 2012138126 A2 WO2012138126 A2 WO 2012138126A2
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WO
WIPO (PCT)
Prior art keywords
rod
main body
base
mounting
unit
Prior art date
Application number
PCT/KR2012/002536
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French (fr)
Korean (ko)
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WO2012138126A3 (en
Inventor
인석신
Original Assignee
In Suk Shin
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Publication date
Application filed by In Suk Shin filed Critical In Suk Shin
Publication of WO2012138126A2 publication Critical patent/WO2012138126A2/en
Publication of WO2012138126A3 publication Critical patent/WO2012138126A3/en

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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/02—Drilling rigs characterized by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/14—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B3/00—Rotary drilling
    • E21B3/02—Surface drives for rotary drilling

Definitions

  • the present invention relates to a rod mounting apparatus for a perforator, and more particularly, to a rod mounting apparatus for a perforator mounted on a perforator vehicle so as to additionally mount the rod consumed in the drilling operation to the drive head.
  • a drilling machine for drilling deep holes in the ground for drilling, soil inspection, and groundwater development includes a method of simply rotating the bit, and rotating the bit or ball cutter and applying a pressing force (R.C.D).
  • the perforator transmits the rotational force and the hydraulic pressure to the excavation position by the hydraulic drive unit provided in the main body, an example of which is disclosed in Korean Patent No. 10-0372049.
  • the disclosed perforator has an excavation unit having rods connected vertically to each other and a piston connected to the rod of the shortest of the rods and a hammer for impacting the bit.
  • Such a perforator forms a separate hydraulic and high pressure line on the rod to operate the piston, which is a hammer, and to rotate the excavation unit.
  • a gas chamber of a back head is provided at an upper end side of the piston operated by hydraulic pressure supplied through the rods, and nitrogen gas is injected into the gas chamber of the back head to increase the impact force when the piston descends by the nitrogen gas.
  • the present invention has been made to solve the above problems, the object of the present invention is to provide a rod mounting device for drilling, which is mounted on the main body of the punching machine to supply a rod used in the drilling operation.
  • the drilling rod mounting apparatus for achieving the above object is provided with a main body having a drive device including an engine and a hydraulic supply device, a leader supported to extend up and down in front of the main body, and sliding on the leader A perforator comprising a head unit which is installed to be possible, and an excavation unit provided at the tip of the rod connected to the head unit to excavate the ground while lifting or rotating together with the rod, wherein the main body is located at one side of the main body in the front-rear direction.
  • a base portion that is slidably installed therein, a sliding driving portion that slides the base portion in the front-rear direction of the main body, a rod loading portion provided on the main body or the base portion and providing a loading space in which the rod is loaded; A rod installed at the tip of the base portion and loaded on the rod loading portion to mount the rod portion to the head portion; And a mounting crane.
  • the sliding drive unit is formed of a hydraulic cylinder in which the cylinder body is supported by the base portion, the withdrawal rod drawn out from the cylinder body is supported by the main body, the mounting crane extends in the vertical direction in the base portion and the drive motor
  • the main support is installed to enable the rotation of the magnetic shaft
  • the rotating boom is installed on the upper end of the main support by the first actuator to enable the rotary drive
  • the rod mounting device for drilling according to the present invention is mounted on the perforator body, there is an advantage that an efficient drilling operation can be made by solving the problem of cost burden and location constraints due to the installation of a separate transport cart.
  • the drilling rod mounting apparatus has the advantage that the mounting convenience of the rod is increased because the relative position of the crane and the leader carrying the rod to the mounting position is kept constant.
  • FIG. 1 is a side view showing an embodiment of a perforator having a rod mounting device for drilling according to the present invention
  • Figure 2 is a side view showing a state in which the leader of the drilling machine of Figure 1 is installed to extend in the vertical direction
  • 3 is a side view showing a state where the base portion protrudes toward the front side of the leader;
  • FIG. 4 is a perspective view showing a state in which a rod is mounted to the head by a mounting crane.
  • the rod mounting device for drilling 50 is a base portion 110 which is slidably installed in the punching machine 10, and a rod loading portion installed in the base portion 110 to load the rod 50
  • a mounting crane 130 installed at the front end portion of the base portion 110 to mount the rod 50 loaded on the rod loading portion 120 to the head portion 40, and the base portion;
  • Sliding drive unit 140 for sliding the drive 110 in the front and rear direction of the main body 20 with respect to the main body 20 is provided.
  • the perforator 10 like the conventional perforator, is provided with a main body 20 including a driving device such as an engine, a reader 30 supported by the main body 20, and a main body 20 that slides on the reader 30.
  • Excavation unit for excavating the ground while lifting or rotating with the rod 50 is provided at the head of the head portion 40 and the rod 50 connected to the head portion 40 to generate a lift or rotational force by the driving device of the Consists of
  • the excavation unit is composed of a bit hitting the ground to excavate, and a hammer operated by hydraulic pressure to impart a hitting force to the bit. And, the transmission of the hydraulic pressure to the excavation unit is possible by installing a separate hydraulic line on the rod (50).
  • the perforator 10 is excavated to a predetermined depth by the bit of the excavation unit hitting the rotation or the ground.
  • the excavation unit and the rod 50 are introduced into the ground, and in order to extend the excavation depth, the excavation unit must be continued by connecting a new rod 50 to the upper portion of the rod 50.
  • the rod 50 When the rod 50 is mounted, the rod 50, which is installed at the lower end of the leader 30, is gripped by the upper end of the rod 50 into which the rod 50 is inserted to fix the rod 50, and in this state, the head portion 40 is fixed. ) Is rotated in a direction opposite to that of the excavation operation to be separated from the rod 50 and ascends along the leader 30 so that a new rod () between the upper portion of the inserted rod 50 and the head portion 40. 50) will be installed.
  • the drilling rod mounting device 50 is to be able to mount a new rod 50 on top of the rod 50 inserted in this way, as described above the base portion 110, the rod loading portion 120, It includes a mounting crane 130, the sliding drive 140.
  • the base 110 is slidably installed in the front and rear direction on the main body 20.
  • the front end of the main body 20 is provided with a leader 30 is formed to extend in the vertical direction during the drilling operation, the base portion 110 is extended in the front and rear direction of the main body 20 while the front end is the leader 30 Sliding movement in the front-rear direction of the main body 20 so as to protrude toward the front side of the) is formed.
  • the main body 20 is provided with support members 21 spaced apart from each other in the width direction of the base portion 110, and the base portion 110 is supported so that the side surface is slidable to the support member 21, which will be described later.
  • the driving force is applied by the sliding drive unit 140 to the base 110 is able to move in the front and rear direction of the main body 20.
  • the base portion 110 is installed to be inclined downward as it extends forward from the rear of the main body 20, and the front and rear sliding drive is made along the inclined direction. Therefore, when the base unit 110 slides forward of the main body 20, the mounting crane 130 installed at the front end of the base unit 110 moves to a position adjacent to the rod 50 clamp and the mounting of the rod 50 is performed. It becomes easier.
  • the rod loading part 120 is formed on the base part 110 and provides a predetermined loading space in which the rod to be loaded 50 can be mounted on the base part 110.
  • the rod loading part 120 includes edge members 121 extending upward from both side ends of the base part 110 to prevent the loaded rod 50 from being separated from the base part 110.
  • the mounting crane 130 is for holding and transporting the rod 50 loaded on the rod loading part 120 to transfer to the mounting position.
  • the mounting crane 130 is pivoted on the main support 131 installed at the front end of the rod loading part 120, the rotation boom 132 rotatably installed at the upper end of the main support 131, and the end of the rotation part. It is provided with a holding unit 133 is installed.
  • the main support 131 is rotatably installed in the base part 110, and may be rotated about a rotation axis extending upward from the upper surface of the base part 110, and at the lower end of the main support 131.
  • Rotating gear (not shown) coupled to the lower end of the main support 131 by the driving force of the installed drive motor 138 rotates the main support 131.
  • the drive motor 138 has been applied to a hydraulic motor.
  • the pivoting boom 132 is hinged to the upper end of the main support 131, the rotation is made by the first actuator (139a) is the end is coupled to the main support (131).
  • the holding unit 133 is a rotary bracket 134 rotatably coupled to the end of the rotating boom 132, a rotary support 135 is rotatably installed on the rotary bracket 134, and the rotary support ( A gripper 136 extending from both ends of the 135 and provided with a clamper 137 for clamping the rod 50 at an end thereof, and a rotating bracket 134 and a rotation support 135 respectively; 2, the third actuator (139b, 139c).
  • One end of the second actuator 139b is fixed to the rotary bracket 134, and the other end thereof is connected to one side of the rotary boom 132, so that the rotary bracket 134 rotates according to the withdrawal and withdrawal of the withdrawal rod. Rotation is achieved with respect to
  • the rotation support 135 is rotatably coupled to the center of the rotation bracket 134, the third actuator (139c) is supported on one end of the rotation bracket 134, the withdrawal rod is the rotation support 135 Is connected to the rotation support 135 through the withdrawal and withdrawal drive of the withdrawal rod is to be made to rotate around the center of rotation connected to the rotary bracket 134.
  • the gripping portion 136 extends downward from both ends of the rotary support 135 as described above, and a clamper 137 is provided at the end to grip the rod 50, and the clamper 137 is
  • the clamper 137 is formed by two clampers 137, which are formed in the opposite opposing surfaces and the clamping grooves corresponding to the rods 50 are formed on the opposite surfaces facing each other. It is possible to hold 50.
  • the rod 50 may be gripped at two points spaced apart from each other by a predetermined distance along the longitudinal direction, thereby stably holding the rod 50.
  • All of the first to third actuators 139 are hydraulic cylinders driven by hydraulic pressure, and the clamper 137 is not shown, but rotational driving is performed by the hydraulic cylinders.
  • the sliding drive unit 140 is provided for sliding driving of the base unit 110 as described above, the cylinder body is coupled to the base unit 110, the hydraulic cylinder is coupled to the drawer rod is applied to the main body (20) .
  • the sliding drive unit 140 is driven to move the base unit 110 forward with respect to the main body 20. After the rod 50 is mounted, interference is caused in the drilling operation. The sliding drive 140 is driven again so as not to occur, thereby sliding the base 110 to the rear side of the main body 20.
  • the rod 50 mounted on the head portion 40 When the rod 50 mounted on the head portion 40 is inserted into the ground, the rod 50 clamps the upper end of the rod 50 into which the clamp is inserted, and the head portion 40 rotates in the opposite direction to the punching process to load the rod ( 50). The separated head 40 moves upward along the leader 30 to prepare for mounting a new rod 50.
  • the base unit 110 When the new rod 50 is mounted, the base unit 110 is moved to the front side of the main body 20 by the sliding drive unit 140 so that the mounting crane 130 is moved to the front of the leader 30.
  • the mounting crane 130 transfers the rod 50 loaded in the rod loading part 120 between the head part 40 and the inserted rod 50 while the base part 110 moves. Refit it.
  • the base unit 110 is returned to the initial position by the sliding drive unit 140, and the rotational and striking force is transmitted from the head part 40 to the excavation unit through the rod 50. You will continue drilling.
  • the drilling rod mounting apparatus 50 of the present invention is installed in the main body 20, there is no need to provide a separate rod 50 transport car, it is possible to perform the rod 50 mounting more quickly.
  • the rod-mounting device for the present invention of the present invention is mounted on the drilling device, so that the efficiency of the drilling device can be increased, so the industrial application is high.

Abstract

The present invention pertains to a rod mounting device for a drilling machine, which is mounted to a vehicle of a drilling machine such that a rod which is spent for drilling work may be additionally mounted to a driving head. The drilling rod mounting device according to the present invention includes: a base section which is mounted at one side of the main body of the drilling machine such that the base section may slide in front and back directions; a rod stacking section which is provided on the main body or the base section and provides a stacking space where rods are stacked; a mounting crane which is mounted at the front end of the base section so as to mount the rods which are stacked on the rod stacking section to the head section; and a sliding driving section which drives the base section to slide in front and back directions of the main body.

Description

천공기용 로드 장착장치Rod mounting device for perforator
본 발명은 천공기용 로드 장착장치에 관한 것으로서, 더욱 상세하게는 천공작업에 소모되는 로드를 구동헤드에 추가 장착할 수 있도록 천공기 차량에 장착되는 천공기용 로드 장착장치에 관한 것이다.The present invention relates to a rod mounting apparatus for a perforator, and more particularly, to a rod mounting apparatus for a perforator mounted on a perforator vehicle so as to additionally mount the rod consumed in the drilling operation to the drive head.
일반적으로 시추작업, 토질검사, 지하수 개발 등을 위하여 지하에 심공을 천공하는 천공기는 비트를 단지 회전시키는 방법과 비트 또는 볼커터를 회전시킴과 아울러 가압력을 주는 방법(R.C.D 공법)등이 있다.Generally, a drilling machine for drilling deep holes in the ground for drilling, soil inspection, and groundwater development includes a method of simply rotating the bit, and rotating the bit or ball cutter and applying a pressing force (R.C.D).
천공기는 본체에 마련된 유압드라이브 유니트에 의해 회전력과, 유압을 굴삭위치로 전달하는 것으로, 그 일예가 대한민국 등록특허 제10-0372049호에 개시되어 있다. 개시된 천공기는 상호 수직하게 연결되는 로드들과, 상기 로드들 중 최단부의 로드에 연결되며 비트 및 이 비트에 충격을 가하기 위한 햄머인 피스톤을 구비한 굴삭유니트를 구비한다.The perforator transmits the rotational force and the hydraulic pressure to the excavation position by the hydraulic drive unit provided in the main body, an example of which is disclosed in Korean Patent No. 10-0372049. The disclosed perforator has an excavation unit having rods connected vertically to each other and a piston connected to the rod of the shortest of the rods and a hammer for impacting the bit.
이러한 천공기는 상기 로드에 별도의 유압 및 고압라인을 형성하여 햄머인 피스톤을 작동시킴과 아울러 굴삭 유니트를 회전시킨다. 상기 로드들을 통하여 공급되는 유압에 의해 작동되는 상기 피스톤의 상단부 측에는 백헤드의 가스실이 마련되고, 이 백헤드의 가스실에 질소가스를 주입하여 이 질소가스에 의해 피스톤의 하강시 충격력을 높일 수 있도록 하고 있다.Such a perforator forms a separate hydraulic and high pressure line on the rod to operate the piston, which is a hammer, and to rotate the excavation unit. A gas chamber of a back head is provided at an upper end side of the piston operated by hydraulic pressure supplied through the rods, and nitrogen gas is injected into the gas chamber of the back head to increase the impact force when the piston descends by the nitrogen gas. have.
이러한 종래의 천공기는 천공작업을 수행하면서 로드가 지중에 지속적으로 삽입되기 때문에 새로운 로드를 지중에 삽입된 로드의 상부에 체결하여 유압드라이브 유니트의 구동력을 전달하게 해야 하는데, 종래에는 로드를 별도로 운반 및 장착하기 위한 전용 운반카를 따로 구비하고, 천공기가 장착된 차량의 인근에서 로드를 공급하게 하였다. Since the conventional boring machine performs a boring operation and the rod is continuously inserted into the ground, a new rod must be fastened to the upper portion of the rod inserted into the ground to transfer the driving force of the hydraulic drive unit. A separate carriage was provided separately for mounting, and the load was supplied in the vicinity of the vehicle equipped with the perforator.
이 경우 별도의 운반카를 구동하는데 따른 유지비용이 상승하고, 작업위치의 조건에 따라 별도의 운반카를 설치하는 것이 용이하지 않은 경우도 발생하여 로드를 공급하는 것에 어려움이 발생하는 문제점이 있었다.In this case, there is a problem in that the maintenance cost of driving a separate transport car increases, and it is difficult to install a separate transport car depending on the conditions of the work location, and thus, it is difficult to supply a rod.
본 발명은 상기 문제점을 해결하기 위해 창출된 것으로서, 천공기 본체에 장착되어 천공작업에 사용되는 로드를 공급하는 천공용 로드 장착장치를 제공하는데 그 목적이 있다.The present invention has been made to solve the above problems, the object of the present invention is to provide a rod mounting device for drilling, which is mounted on the main body of the punching machine to supply a rod used in the drilling operation.
상기 목적을 달성하기 위한 본 발명에 따른 천공용 로드 장착장치는 엔진 및 유압공급장치를 포함하는 구동장치가 구비된 본체와, 상기 본체의 전방에 상하로 연장되게 지지되는 리더와, 상기 리더에 슬라이딩 가능하게 설치되는 헤드부와, 상기 헤드부에 연결되는 로드의 선단에 마련되어 상기 로드와 함께 승강 또는 회전하면서 지반을 굴착하는 굴착유닛을 포함하는 천공기에 있어서, 상기 본체의 일측에 상기 본체의 전후방향으로 슬라이딩 가능하게 설치되는 베이스부와, 상기 베이스부를 상기 본체의 전후방향으로 슬라이딩 구동시키는 슬라이딩 구동부와, 상기 본체 또는 상기 베이스부에 마련되며 상기 로드가 적재되는 적재공간을 제공하는 로드적재부와, 상기 베이스부의 선단에 설치되어 상기 로드적재부에 적재된 로드를 상기 헤드부에 장착하는 장착크레인을 구비한다.The drilling rod mounting apparatus according to the present invention for achieving the above object is provided with a main body having a drive device including an engine and a hydraulic supply device, a leader supported to extend up and down in front of the main body, and sliding on the leader A perforator comprising a head unit which is installed to be possible, and an excavation unit provided at the tip of the rod connected to the head unit to excavate the ground while lifting or rotating together with the rod, wherein the main body is located at one side of the main body in the front-rear direction. A base portion that is slidably installed therein, a sliding driving portion that slides the base portion in the front-rear direction of the main body, a rod loading portion provided on the main body or the base portion and providing a loading space in which the rod is loaded; A rod installed at the tip of the base portion and loaded on the rod loading portion to mount the rod portion to the head portion; And a mounting crane.
상기 슬라이딩 구동부는 실린더바디가 상기 베이스부에 지지되고, 상기 실린더바디에서 인출되는 인출로드가 상기 본체에 지지되는 유압실린더로 형성되고, 상기 장착크레인은 상기 베이스부에 상하방향으로 연장되며 구동모터에 의해 자축 회전이 가능하게 설치된 메인지지대와, 상기 메인지지대의 상단에 제1 액추에이터에 의해 상하로 회전구동이 가능하게 설치되는 회동붐과, 상기 회동붐의 선단에 회전 가능하게 설치되며 상기 로드를 파지할 수 있도록 상기 로드의 길이방향을 따라 이격되고 상기 로드를 파지하는 복수개의 클램퍼를 포함하는 파지유닛을 구비하는 것이 바람직하다.The sliding drive unit is formed of a hydraulic cylinder in which the cylinder body is supported by the base portion, the withdrawal rod drawn out from the cylinder body is supported by the main body, the mounting crane extends in the vertical direction in the base portion and the drive motor The main support is installed to enable the rotation of the magnetic shaft, the rotating boom is installed on the upper end of the main support by the first actuator to enable the rotary drive, and is rotatably installed at the tip of the rotating boom and gripping the rod It is preferable to have a holding unit including a plurality of clampers spaced along the longitudinal direction of the rod to hold the rod so as to be able to.
본 발명에 따른 천공용 로드 장착장치는 천공기 본체에 장착되기 때문에 별도의 운반카를 운용하는데 따른 비용부담 및 운반카 설치에 따른 장소 제약의 문제가 해결되어 효율적인 천공작업이 이루어질 수 있는 이점이 있다. Since the rod mounting device for drilling according to the present invention is mounted on the perforator body, there is an advantage that an efficient drilling operation can be made by solving the problem of cost burden and location constraints due to the installation of a separate transport cart.
아울러 본 발명에 따른 천공용 로드 장착장치는 로드를 장착위치로 운반하는 크레인과 리더의 상대적인 위치가 일정하게 유지되기 때문에 로드의 장착 편의성이 증대되는 이점이 있다.In addition, the drilling rod mounting apparatus according to the present invention has the advantage that the mounting convenience of the rod is increased because the relative position of the crane and the leader carrying the rod to the mounting position is kept constant.
도 1은 본 발명에 따른 천공용 로드 장착장치를 구비한 천공기의 일 실시예를 도시한 측면도,1 is a side view showing an embodiment of a perforator having a rod mounting device for drilling according to the present invention;
도 2는 도 1의 천공기의 리더가 수직방향으로 연장되게 설치된 상태를 도시한 측면도,Figure 2 is a side view showing a state in which the leader of the drilling machine of Figure 1 is installed to extend in the vertical direction,
도 3은 베이스부가 리더의 전방측으로 돌출된 상태를 도시한 측면도,3 is a side view showing a state where the base portion protrudes toward the front side of the leader;
도 4는 장착크레인에 의해 헤드부에 로드가 장착되는 상태를 도시한 사시도이다.4 is a perspective view showing a state in which a rod is mounted to the head by a mounting crane.
이하, 첨부된 도면을 참조하여 본 발명에 따른 천공용 로드 장착장치를 더욱 상세하게 설명하면 다음과 같다. Hereinafter, with reference to the accompanying drawings, the rod mounting apparatus for drilling in accordance with the present invention in more detail.
도면을 참조하면, 천공용 로드 장착장치(50)는 천공기(10)에 슬라이딩 가능하게 설치되는 베이스부(110)와, 상기 베이스부(110)에 설치되어 로드(50)를 적재하는 로드적재부(120)와, 상기 베이스부(110)의 전단부에 설치되어 상기 로드적재부(120)에 적재된 로드(50)를 헤드부(40)에 장착하는 장착크레인(130)과, 상기 베이스부(110)를 상기 본체(20)에 대하여 본체(20)의 전후방향으로 슬라이딩 구동하는 슬라이딩 구동부(140)를 구비한다.Referring to the drawings, the rod mounting device for drilling 50 is a base portion 110 which is slidably installed in the punching machine 10, and a rod loading portion installed in the base portion 110 to load the rod 50 A mounting crane 130 installed at the front end portion of the base portion 110 to mount the rod 50 loaded on the rod loading portion 120 to the head portion 40, and the base portion; Sliding drive unit 140 for sliding the drive 110 in the front and rear direction of the main body 20 with respect to the main body 20 is provided.
천공기(10)는 종래의 천공장치와 마찬가지로 엔진 등의 구동장치가 구비된 본체(20)와, 본체(20)에 의해 지지되는 리더(30)와, 리더(30) 상에서 슬라이딩되며 본체(20)의 구동장치에 의해 승강 또는 회전력을 발생하는 헤드부(40)와, 헤드부(40)에 연결되는 로드(50)의 선단에 마련되어 로드(50)와 함께 승강 또는 회전하면서 지반을 굴착하는 굴착유닛으로 이루어져 있다.The perforator 10, like the conventional perforator, is provided with a main body 20 including a driving device such as an engine, a reader 30 supported by the main body 20, and a main body 20 that slides on the reader 30. Excavation unit for excavating the ground while lifting or rotating with the rod 50 is provided at the head of the head portion 40 and the rod 50 connected to the head portion 40 to generate a lift or rotational force by the driving device of the Consists of
굴착유닛은 지반을 타격하여 굴착하는 비트와, 비트에 타격력을 부여하도록 유압에 의해 작동되는 해머로 이루어져 있다. 그리고, 굴착유닛으로의 유압의 전달은 로드(50)에 별도의 유압라인이 설치되어 가능하게 된다.The excavation unit is composed of a bit hitting the ground to excavate, and a hammer operated by hydraulic pressure to impart a hitting force to the bit. And, the transmission of the hydraulic pressure to the excavation unit is possible by installing a separate hydraulic line on the rod (50).
천공기(10)는 굴착유닛의 비트가 회전 또는 지반을 타격하여 일정 깊이로 굴착하게 된다. 지반이 굴착되면 굴착유닛과 로드(50)가 지반 내로 인입되며 굴착깊이를 연장하기 위해서는 로드(50)의 상부에 새로운 로드(50)를 연결하여 굴착을 지속시켜야 한다. The perforator 10 is excavated to a predetermined depth by the bit of the excavation unit hitting the rotation or the ground. When the ground is excavated, the excavation unit and the rod 50 are introduced into the ground, and in order to extend the excavation depth, the excavation unit must be continued by connecting a new rod 50 to the upper portion of the rod 50.
로드(50)의 장착 시에는 리더(30)의 하단에 설치되어있는 로드(50)클램프가 인입된 로드(50)의 상단을 파지하여 로드(50)를 고정시키고, 그 상태에서 헤드부(40)가 굴착 작업때와 반대되는 방향으로 회전하여 로드(50)로부터 분리되게 하고, 리더(30)를 따라 상승하게 하여 삽입된 로드(50)의 상부와 헤드부(40)의 사이에 새로운 로드(50)를 설치하게 된다.When the rod 50 is mounted, the rod 50, which is installed at the lower end of the leader 30, is gripped by the upper end of the rod 50 into which the rod 50 is inserted to fix the rod 50, and in this state, the head portion 40 is fixed. ) Is rotated in a direction opposite to that of the excavation operation to be separated from the rod 50 and ascends along the leader 30 so that a new rod () between the upper portion of the inserted rod 50 and the head portion 40. 50) will be installed.
상기 천공용 로드 장착장치(50)는 이렇게 삽입된 로드(50)의 상부에 새로운 로드(50)를 장착할 수 있게 하기 위한 것이며, 상술한 것처럼 베이스부(110), 로드적재부(120), 장착크레인(130), 슬라이딩 구동부(140)를 포함한다.The drilling rod mounting device 50 is to be able to mount a new rod 50 on top of the rod 50 inserted in this way, as described above the base portion 110, the rod loading portion 120, It includes a mounting crane 130, the sliding drive 140.
상기 베이스부(110)는 본체(20)에 전후방향으로 슬라이딩 가능하게 설치된다.The base 110 is slidably installed in the front and rear direction on the main body 20.
본체(20)의 전단에는 천공작업 시 상하방향으로 연장되게 형성되는 리더(30)가 설치되어 있으며, 상기 베이스부(110)는 본체(20)의 전후방향으로 연장되어 있으면서 전단부가 상기 리더(30)의 전방측으로 돌출될 수 있도록 본체(20)의 전후방향으로 슬라이딩 이동이 가능하게 형성된다.The front end of the main body 20 is provided with a leader 30 is formed to extend in the vertical direction during the drilling operation, the base portion 110 is extended in the front and rear direction of the main body 20 while the front end is the leader 30 Sliding movement in the front-rear direction of the main body 20 so as to protrude toward the front side of the) is formed.
본체(20)에는 베이스부(110)의 폭방향으로 상호 이격되어 있는 서포트부재(21)가 마련되어 있고, 베이스부(110)는 측면이 상기 서포트부재(21)에 슬라이딩 가능하도록 지지되어 있어서, 후술하는 슬라이딩 구동부(140)에 의해 구동력이 인가되면 베이스부(110)가 본체(20)의 전후방향으로 이동할 수 있게 된다. The main body 20 is provided with support members 21 spaced apart from each other in the width direction of the base portion 110, and the base portion 110 is supported so that the side surface is slidable to the support member 21, which will be described later. When the driving force is applied by the sliding drive unit 140 to the base 110 is able to move in the front and rear direction of the main body 20.
특히 상기 베이스부(110)는 본체(20)의 후방에서 전방으로 연장될수록 하방으로 경사지게 설치되어 있으며, 경사진 방향을 따라 전후방향 슬라이딩 구동이 이루어지게 된다. 따라서 베이스부(110)가 본체(20)의 전방으로 슬라이딩되면 베이스부(110)의 전단에 설치된 장착크레인(130)이 로드(50)클램프와 인접한 위치로 이동하게 되면서 로드(50)의 장착이 더욱 용이하게 된다.In particular, the base portion 110 is installed to be inclined downward as it extends forward from the rear of the main body 20, and the front and rear sliding drive is made along the inclined direction. Therefore, when the base unit 110 slides forward of the main body 20, the mounting crane 130 installed at the front end of the base unit 110 moves to a position adjacent to the rod 50 clamp and the mounting of the rod 50 is performed. It becomes easier.
상기 로드적재부(120)는 상기 베이스부(110)의 상부에 형성되는 것으로 베이스부(110)의 상부에 장착대상 로드(50)를 적재할 수 있는 소정의 적재공간을 제공한다. 로드적재부(120)는 적재된 로드(50)가 베이스부(110)로부터 이탈하는 것을 방지할 수 있게 베이스부(110)의 양측단에서 상방으로 연장된 테두리부재(121)들로 이루어진다.The rod loading part 120 is formed on the base part 110 and provides a predetermined loading space in which the rod to be loaded 50 can be mounted on the base part 110. The rod loading part 120 includes edge members 121 extending upward from both side ends of the base part 110 to prevent the loaded rod 50 from being separated from the base part 110.
상기 장착크레인(130)은 로드적재부(120)에 적재된 로드(50)를 파지하고 운반하여 장착위치로 이송하기 위한 것이다. The mounting crane 130 is for holding and transporting the rod 50 loaded on the rod loading part 120 to transfer to the mounting position.
장착크레인(130)은 로드적재부(120)의 전단에 설치된 메인지지대(131)와, 상기 메인지지대(131)의 상단에 회동 가능하게 설치된 회동붐(132)과, 상기 회동부의 단부에 회동 가능하게 설치되는 파지유닛(133)을 구비한다.The mounting crane 130 is pivoted on the main support 131 installed at the front end of the rod loading part 120, the rotation boom 132 rotatably installed at the upper end of the main support 131, and the end of the rotation part. It is provided with a holding unit 133 is installed.
메인지지대(131)는 베이스부(110)에 회전 가능하게 설치되는데, 베이스부(110)의 상면으로부터 상방으로 연장되는 회전축을 중심으로 회전이 이루어지게 될 수 있으며, 메인지지대(131)의 하단에 설치된 구동모터(138)의 구동력에 의해 메인지지대(131)의 하단에 결합된 회전기어(미도시)가 회전하면서 메인지지대(131)를 회전시킨다. 상기 구동모터(138)는 유압모터가 적용되었다.The main support 131 is rotatably installed in the base part 110, and may be rotated about a rotation axis extending upward from the upper surface of the base part 110, and at the lower end of the main support 131. Rotating gear (not shown) coupled to the lower end of the main support 131 by the driving force of the installed drive motor 138 rotates the main support 131. The drive motor 138 has been applied to a hydraulic motor.
상기 회동붐(132)은 메인지지대(131)의 상단에 힌지결합되어 있으며, 상기 메인지지대(131)에 단부가 결합되어 있는 제1 액추에이터(139a)에 의해서 회동이 이루어진다. The pivoting boom 132 is hinged to the upper end of the main support 131, the rotation is made by the first actuator (139a) is the end is coupled to the main support (131).
상기 파지유닛(133)은 회동붐(132)의 단부에 회동 가능하게 결합되는 회전브라켓(134)과, 상기 회전브라켓(134)에 회전 가능하게 설치되는 회전지지대(135)와, 상기 회전지지대(135)의 양단부에서 연장되며 단부에 로드(50)를 클램핑하기 위한 클램퍼(137)가 마련되어 있는 파지부(136)와, 상기 회전브라켓(134)과 회전지지대(135)를 각각 회전구동시키기 위한 제2, 제3 액추에이터(139b,139c)를 포함한다.The holding unit 133 is a rotary bracket 134 rotatably coupled to the end of the rotating boom 132, a rotary support 135 is rotatably installed on the rotary bracket 134, and the rotary support ( A gripper 136 extending from both ends of the 135 and provided with a clamper 137 for clamping the rod 50 at an end thereof, and a rotating bracket 134 and a rotation support 135 respectively; 2, the third actuator (139b, 139c).
제2 액추에이터(139b)는 회전브라켓(134)에 일단이 고정되어 있고, 타단이 회동붐(132)의 일측에 연결되어 있어서 인출로드의 인출 및 인입에 따라 회전브라켓(134)이 회동붐(132)에 대하여 회전이 이루어지게 된다. One end of the second actuator 139b is fixed to the rotary bracket 134, and the other end thereof is connected to one side of the rotary boom 132, so that the rotary bracket 134 rotates according to the withdrawal and withdrawal of the withdrawal rod. Rotation is achieved with respect to
상기 회전지지대(135)는 중앙이 회전브라켓(134)에 회전 가능하게 결합되어 있으며, 제3 액추에이터(139c)는 일단이 상기 회전브라켓(134)에 지지되어 있고, 인출로드가 회전지지대(135)에 연결되어 있어서 인출로드의 인출 및 인입구동을 통해 회전지지대(135)가 회전브라켓(134)에 연결된 회전중심을 중심으로 회전이 이루어질 수 있게 되어 있다.The rotation support 135 is rotatably coupled to the center of the rotation bracket 134, the third actuator (139c) is supported on one end of the rotation bracket 134, the withdrawal rod is the rotation support 135 Is connected to the rotation support 135 through the withdrawal and withdrawal drive of the withdrawal rod is to be made to rotate around the center of rotation connected to the rotary bracket 134.
파지부(136)는 상술한 것처럼 회전지지대(135)의 양 단부로부터 하방으로 연장되어 있으며, 그 단부에는 로드(50)를 파지할 수 있도록 클램퍼(137)가 마련되어 있는데, 상기 클램퍼(137)는 상호 대향되는 방향으로 회전하며 마주보는 대향면에 로드(50)에 대응하는 클램핑홈이 형성되어 있는 두 개의 클램퍼(137)에 의해 형성되어 있어서 상기 클램퍼(137)가 상호 인접하는 방향으로 회전하면서 로드(50)를 파지할 수 있도록 되어 있다.The gripping portion 136 extends downward from both ends of the rotary support 135 as described above, and a clamper 137 is provided at the end to grip the rod 50, and the clamper 137 is The clamper 137 is formed by two clampers 137, which are formed in the opposite opposing surfaces and the clamping grooves corresponding to the rods 50 are formed on the opposite surfaces facing each other. It is possible to hold 50.
상기 클램퍼(137)는 두 개가 상호 이격되게 형성되어 있기 때문에 로드(50)를 길이방향을 따라 소정거리 이격된 두 지점에서 파지하게 됨으로써 안정적으로 로드(50)를 파지할 수 있다.Since the two clampers 137 are formed to be spaced apart from each other, the rod 50 may be gripped at two points spaced apart from each other by a predetermined distance along the longitudinal direction, thereby stably holding the rod 50.
상기 제1 내지 제3 액추에이터(139)는 모두 유압에 의해 구동하는 유압실린더가 적용되었으며, 클램퍼(137) 역시 도시되지 않았으나 유압실린더에 의해 회전 구동이 이루어지게 된다.All of the first to third actuators 139 are hydraulic cylinders driven by hydraulic pressure, and the clamper 137 is not shown, but rotational driving is performed by the hydraulic cylinders.
상기 슬라이딩 구동부(140)는 상술한 것처럼 베이스부(110)의 슬라이딩 구동을 위해 마련된 것으로서, 베이스부(110)에 실린더바디가 결합되고, 본체(20)에 인출로드가 결합된 유압실린더가 적용되었다. The sliding drive unit 140 is provided for sliding driving of the base unit 110 as described above, the cylinder body is coupled to the base unit 110, the hydraulic cylinder is coupled to the drawer rod is applied to the main body (20) .
상기 슬라이딩 구동부(140)에 유압이 인가되면 인출로드가 실린더바디로부터 인출되면서 베이스부(110)가 본체(20)에 대하여 전방측으로 이동이 이루어지게 된다.When hydraulic pressure is applied to the sliding drive unit 140, the withdrawal rod is withdrawn from the cylinder body, and the base unit 110 is moved forward with respect to the main body 20.
로드(50)의 장착이 필요한 시점에서 상기 슬라이딩 구동부(140)가 구동하여 베이스부(110)를 본체(20)에 대하여 전방으로 이동시키고, 로드(50)가 장착된 후에는 천공작업에 간섭이 발생하지 않도록 다시 슬라이딩 구동부(140)가 구동하여 베이스부(110)를 본체(20)의 후방측으로 슬라이딩 이동시키게 된다.When the rod 50 is required to be mounted, the sliding drive unit 140 is driven to move the base unit 110 forward with respect to the main body 20. After the rod 50 is mounted, interference is caused in the drilling operation. The sliding drive 140 is driven again so as not to occur, thereby sliding the base 110 to the rear side of the main body 20.
이하에서는 본 발명의 천공용 로드 장착장치(50)에 의한 로드(50) 장착과정을 설명한다.Hereinafter, the mounting process of the rod 50 by the drilling rod mounting apparatus 50 of the present invention.
헤드부(40)에 장착된 로드(50)가 지중으로 삽입되면 로드(50)클램프가 삽입된 로드(50)의 상단을 파지하고 헤드부(40)는 천공과정과 반대방향으로 회전하여 로드(50)와 분리된다. 분리된 헤드부(40)는 리더(30)를 따라 상측으로 이동하여 새로운 로드(50)를 장착할 수 있게 준비한다.When the rod 50 mounted on the head portion 40 is inserted into the ground, the rod 50 clamps the upper end of the rod 50 into which the clamp is inserted, and the head portion 40 rotates in the opposite direction to the punching process to load the rod ( 50). The separated head 40 moves upward along the leader 30 to prepare for mounting a new rod 50.
새로운 로드(50)가 장착될 때에는 상기 슬라이딩 구동부(140)에 의해 베이스부(110)가 본체(20)의 전방측으로 이동하여 상기 장착크레인(130)이 리더(30)의 전방으로 이동되게 하며, 베이스부(110)가 이동한 상태에서 로드적재부(120)에 적재된 로드(50)를 장착크레인(130)이 헤드부(40)와 삽입된 로드(50) 사이로 이송하여 로드(50)를 새로 장착한다. 로드(50)의 장착이 완료되면 슬라이딩 구동부(140)에 의해 베이스부(110)가 다시 초기 위치로 복귀하고 헤드부(40)에서 회전 및 타격력을 로드(50)를 통해 굴착유닛으로 전달하여 지중 천공 작업을 계속하게 된다.When the new rod 50 is mounted, the base unit 110 is moved to the front side of the main body 20 by the sliding drive unit 140 so that the mounting crane 130 is moved to the front of the leader 30. The mounting crane 130 transfers the rod 50 loaded in the rod loading part 120 between the head part 40 and the inserted rod 50 while the base part 110 moves. Refit it. When the mounting of the rod 50 is completed, the base unit 110 is returned to the initial position by the sliding drive unit 140, and the rotational and striking force is transmitted from the head part 40 to the excavation unit through the rod 50. You will continue drilling.
이렇게 본 발명의 천공용 로드 장착장치(50)는 본체(20)에 설치되어 있어서 별도의 로드(50) 운반카를 구비할 필요가 없게되며, 로드(50) 장착을 더욱 신속하게 수행할 수 있다.Thus, the drilling rod mounting apparatus 50 of the present invention is installed in the main body 20, there is no need to provide a separate rod 50 transport car, it is possible to perform the rod 50 mounting more quickly.
본 발명은 도면에 도시된 실시예를 참고로 설명되었으나 이는 예시적인 것에 불과하며, 본 기술 분야의 통상의 지식을 가진 사람이라면 이로부터 다양한 변형 및 균등한 타 실시예가 가능하다는 점을 이해할 것이다. 따라서, 본 발명의 진정한 기술적 보호 범위는 첨부된 등록 청구 범위의 기술적 사상에 의해 정해져야 할 것이다.Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent other embodiments are possible. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.
본 발명의 촌공용 로드 장착장치는 천공장치에 장착되어 천공장치의 효율을 높일 수 있으므로 산업상 이용 가능성이 높다.The rod-mounting device for the present invention of the present invention is mounted on the drilling device, so that the efficiency of the drilling device can be increased, so the industrial application is high.

Claims (3)

  1. 엔진 및 유압공급장치를 포함하는 구동장치가 구비된 본체와, 상기 본체의 전방에 상하로 연장되게 지지되는 리더와, 상기 리더에 슬라이딩 가능하게 설치는 헤드부와, 상기 헤드부에 연결되는 로드의 단부에 마련되어 상기 로드와 함께 승강 또는 회전하면서 지반을 굴착하는 굴착유닛을 포함하는 천공기에 있어서,A main body provided with a driving device including an engine and a hydraulic pressure supply device, a leader supported to extend up and down in front of the main body, a head part slidably mounted to the leader, and a rod connected to the head part. In the perforator comprising an excavation unit provided at the end and excavating the ground while lifting or rotating with the rod,
    상기 본체의 일측에 상기 본체의 전후방향으로 슬라이딩 가능하게 설치되는 베이스부와;A base part slidably installed in a front and rear direction of the main body on one side of the main body;
    상기 베이스부를 상기 본체의 전후방향으로 슬라이딩 구동시키는 슬라이딩 구동부와;A sliding drive unit configured to drive the base unit in the forward and backward directions of the main body;
    상기 본체 또는 상기 베이스부에 마련되며 상기 로드가 적재되는 적재공간을 제공하는 로드적재부와;A rod loading part provided in the main body or the base part and providing a loading space in which the rod is loaded;
    상기 베이스부의 선단에 설치되어 상기 로드적재부에 적재된 로드를 상기 헤드부에 장착하는 장착크레인;을 구비하는 것을 특징으로 하는 천공용 로드 장착장치.And a mounting crane installed at the tip of the base to mount the rod loaded on the rod loading portion to the head portion.
  2. 제 1항에 있어서,The method of claim 1,
    상기 슬라이딩 구동부는 실린더바디가 상기 베이스부에 지지되고, 상기 실린더바디에서 인출되는 인출로드가 상기 본체에 지지되는 유압실린더로 형성된 것을 특징으로 하는 천공용 로드 장착장치.The sliding drive unit is a drilling rod mounting device, characterized in that the cylinder body is supported by the base portion, the withdrawal rod drawn out from the cylinder body is formed of a hydraulic cylinder supported on the main body.
  3. 제 1항에 있어서,The method of claim 1,
    상기 장착크레인은 상기 베이스부에 상하방향으로 연장되며 구동모터에 의해 자축 회전이 가능하게 설치된 메인지지대와, The mounting crane extends in the vertical direction in the base portion and the main support is installed to enable the rotation of the magnetic shaft by a drive motor,
    상기 메인지지대의 상단에 제1 액추에이터에 의해 상하로 회전구동이 가능하게 설치되는 회동붐과,A rotating boom installed at an upper end of the main support to be rotatable in a vertical direction by a first actuator;
    상기 회동붐의 선단에 회전 가능하게 설치되며 상기 로드를 파지할 수 있도록 상기 로드의 길이방향을 따라 이격되고 상기 로드를 파지하는 복수개의 클램퍼를 포함하는 파지유닛을 구비하는 것을 특징으로 하는 천공용 로드 장착장치.And a gripping unit rotatably installed at the tip of the pivoting boom, the gripping unit including a plurality of clampers spaced apart in the longitudinal direction of the rod to hold the rod and holding the rod. Mounting device.
PCT/KR2012/002536 2011-04-04 2012-04-04 Rod mounting device for drilling machine WO2012138126A2 (en)

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KR1020110030607A KR101355188B1 (en) 2011-04-04 2011-04-04 Rod mounting apparatus for excavator
KR10-2011-0030607 2011-04-04

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KR101458587B1 (en) * 2013-10-11 2014-11-10 주식회사 보강테크 Pipe inserting equipment for tunnel reinforcement and tunnel reinforcement method
KR101579789B1 (en) 2014-09-23 2016-01-04 주식회사 에스엠유 the rod feeder for a drilling machine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4449592A (en) * 1981-03-23 1984-05-22 Cooper Industries, Inc. Automatic drill string section changer
JPH07238774A (en) * 1994-03-01 1995-09-12 Seiwa Kiko Kk Detachable device for double pipe type trill tool
US5941324A (en) * 1998-01-27 1999-08-24 Schramm, Inc. Drilling apparatus
US5988299A (en) * 1995-07-26 1999-11-23 Hansen; James Automated oil rig servicing system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4449592A (en) * 1981-03-23 1984-05-22 Cooper Industries, Inc. Automatic drill string section changer
JPH07238774A (en) * 1994-03-01 1995-09-12 Seiwa Kiko Kk Detachable device for double pipe type trill tool
US5988299A (en) * 1995-07-26 1999-11-23 Hansen; James Automated oil rig servicing system
US5941324A (en) * 1998-01-27 1999-08-24 Schramm, Inc. Drilling apparatus

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