CN102493975A - Oil absorption switching device and hydraulic oil tank with same - Google Patents
Oil absorption switching device and hydraulic oil tank with same Download PDFInfo
- Publication number
- CN102493975A CN102493975A CN2011104338314A CN201110433831A CN102493975A CN 102493975 A CN102493975 A CN 102493975A CN 2011104338314 A CN2011104338314 A CN 2011104338314A CN 201110433831 A CN201110433831 A CN 201110433831A CN 102493975 A CN102493975 A CN 102493975A
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- hydraulic oil
- depression bar
- valve body
- switch gear
- oil suction
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Abstract
The invention provides an oil absorption switching device and a hydraulic oil tank with the same. The oil absorption switching device comprises a pressure lever, a valve body and a spring, wherein the bottom end of the pressure lever is connected with a ball head and the top end of the pressure lever is connected with a plug; the bottom of the ball head is in point contact with the valve body; one end of the spring is connected with the bottom of the valve body, and the other end of the spring is connected with a cover plate. The invention also provides a hydraulic oil tank with the oil absorption switching device, which is characterized by comprising an oil absorption port, the oil absorption switching device, an oil discharging ball valve, an air filter and a pressure lever adjusting device, wherein the oil absorption port is arranged in the side of the hydraulic oil tank; the oil absorption switching device is arranged inside the hydraulic oil tank; the oil discharging ball valve is arranged at the bottom of the hydraulic oil tank; the air filter is arranged at the top of the hydraulic oil tank; and the pressure lever adjusting device is arranged at the top of the hydraulic oil tank and connected with the pressure lever. The switching device provided by the invention is arranged in the oil tank, thus, the design space of a pipeline is saved, the design layout of an oil absorption pipeline tends to be simple, and the oil leakage hidden danger of the switching device is avoided.
Description
Technical field
The present invention relates to the oil suction switch gear between hydraulic oil container to the main pump pipeline, the hydraulic oil container that relates in particular to a kind of oil suction switch gear and said suction switch oil device is installed.
Background technique
In the crane field, between the inlet line of hydraulic oil container to main pump, generally all be designed with one type of device of butterfly valve of switching function, when pump and pipeline maintenance, can utilize the device realization oil circuit of one type of butterfly valve to close.
But there is following defective in the oil suction switch gear of existing technology: one of which, and the general fuel sucking pipe diameter of engineering machinery is bigger, and butterfly valve class device takes up room greatly, and the mounting point must be awkward between fuel tank inlet port to main pump inlet port; Its two because butterfly valve class device becomes the part of oil-absorbing pipeline, so increase leakage of oil hidden danger is brought very big inconvenience to subsequent treatment.
Therefore, for crawler crane oil suction system provides a kind of easy-to-operat that more reliably reaches, and when realize saving the space, can improve the convenience of maintenance maintenance, the oil suction switch gear that reduces system's oil leakage fault point just seems particularly important.
Summary of the invention
The object of the invention is exactly to the problems referred to above, to avoid the existing leakage of oil hidden danger of oil suction switch gear, improves operability, increases the later maintenance convenience.
The present invention provides a kind of oil suction switch gear, wherein, comprising:
Depression bar, its bottom connects bulb, and the top connects plug;
Said bulb base point contacts a valve body;
Spring, an end connect said valve body bottom, and an end connects cover plate.
Above-mentioned oil suction switch gear, wherein, said depression bar is movably connected to form by screw rod and push rod, and said bulb is arranged on said push rod bottom.
Above-mentioned oil suction switch gear, wherein, said screw rod and push rod joint are provided with two nuts.
Above-mentioned oil suction switch gear wherein, comprises that also one has the oil suction filter of inner conical surface, is set on the said depression bar, is positioned at said valve body top, and said valve body has a conical surface, and the conical surface of said valve body cooperates with the inner conical surface of said oil suction filter.
Above-mentioned oil suction switch gear, wherein, the side perforate of said valve body.
According to another aspect of the present invention, also disclose a kind of hydraulic oil container that above-mentioned oil suction switch gear is installed, wherein, comprising:
Inlet port is arranged on said hydraulic oil container side;
The oil suction switch gear, it is inner to be arranged on said hydraulic oil container;
The ball valve of draining the oil is arranged on said hydraulic oil container bottom;
Empty filter is arranged on said hydraulic oil container top;
The depression bar controlling device is arranged on said hydraulic oil container top, and said depression bar controlling device connects said depression bar.
Above-mentioned hydraulic oil container, wherein, said depression bar controlling device comprises:
First nut is enclosed within said depression bar top;
Screw is inserted in the top of the said first nut side, and said screw is positioned at the vertical top of said depression bar;
Second nut, the said depression bar that is threaded, said second nut is positioned at said hydraulic oil container.
The present invention is through valve body shutoff hydraulic fluid port under the effect of spring force, thus the purpose that the realization oil circuit cuts off.
Advantage of the present invention is:
1. switch gear is built in fuel tank internal, has saved the piping design space, makes the oil-absorbing pipeline layout be tending towards simply, has avoided the leakage of oil hidden danger of switch gear itself.
2. switch gear does not change with the position change of inlet port, has stronger versatility.
3. switch gear on the basis of having reduced leakage of oil point, has improved the convenience and the Security of operation owing to select normotopia to install.
Description of drawings
Through reading the detailed description of non-limiting example being done with reference to following accompanying drawing, it is more obvious that the present invention and characteristic thereof, profile and advantage will become.Mark identical in whole accompanying drawings is indicated identical part.Painstakingly proportionally do not draw accompanying drawing, focus on illustrating purport of the present invention.In the accompanying drawings, for cheer and bright, the part parts have been amplified.
Fig. 1 shows according to of the present invention, a kind of structural representation that the hydraulic oil container of oil suction switch gear is installed; And
Fig. 2 shows according to of the present invention, the structural representation of the depression bar controlling device of hydraulic oil container.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further elaborated.Embodiment described herein only is used to explain the present invention, and is not used in qualification protection scope of the present invention.
With reference to hydraulic oil container 17 shown in Figure 1, wherein, the oil suction switch gear comprises:
Depression bar 8, its bottom connects bulb 5, and the top connects plug 10;
Bulb 5 base point contact a valve body 6, and are smooth to guarantee contact surface, and the resisting moment when making depression bar 8 rotations is tried one's best little the time, eliminate the beat of depression bar 8 down pressures;
Preferably, depression bar 8 is movably connected to form by screw rod 7 and push rod 9, thereby realizes that depression bar 8 length of forming can adapt to the adjusting purpose of foozle, and as shown in Figure 1, bulb 5 is arranged on push rod 9 bottoms.
Further, screw rod 7 is provided with two nuts (being label among Fig. 1) with push rod 9 joints, realizes the locking of depression bar 8 length through double nut.
In a variant, comprise that also one has the oil suction filter 14 of inner conical surface, be set on the depression bar 8, be positioned at valve body 6 tops, valve body 6 has a conical surface (among Fig. 1 not label), and the conical surface of valve body 6 cooperates with the inner conical surface of oil suction filter 14.
Further, valve body 6 side perforates guarantee flow system flow.
According to another aspect of the present invention, also disclose a kind of hydraulic oil container 17 that above-mentioned oil suction switch gear is installed, wherein, comprising:
Inlet port 1 is arranged on hydraulic oil container 17 sides;
The oil suction switch gear is arranged on hydraulic oil container 17 inside;
The ball valve 16 of draining the oil is arranged on hydraulic oil container 17 bottoms;
Depression bar controlling device (among Fig. 1 not label) is arranged on hydraulic oil container 17 tops, and the depression bar controlling device connects depression bar 8.
In a variant, inlet port 1 is arranged on hydraulic oil container 17 bottoms.
With reference to figure 2, the depression bar controlling device comprises:
First nut 51 is enclosed within depression bar 8 tops, when needs depression bar 8 rises, can outward winding and take away first nut 51;
Screw 52 is inserted in the top of first nut, 51 sides, and whether screw 52 is positioned at vertically top of depression bar 8, detect depression bar 8 upper-end surfaces with this and be screwed to below the screw;
Second nut, the depression bar 8 that is threaded is formed screw pair with depression bar 8 and is accomplished the operation that depression bar 8 moves up and down, and second nut is positioned at hydraulic oil container 17.
Those skilled in the art combine existing technology and the foregoing description can realize said variant, and such variant does not influence flesh and blood of the present invention, does not repeat them here.
More than preferred embodiment of the present invention is described.It will be appreciated that the present invention is not limited to above-mentioned specific implementations, equipment of wherein not describing in detail to the greatest extent and structure are construed as with the common mode in related domain to be implemented; Any those of ordinary skill in the art; Do not breaking away under the technological scheme scope situation of the present invention; All the method for above-mentioned announcement capable of using and technology contents are made many possible changes and modification to technological scheme of the present invention; Or being revised as the equivalent embodiment of equivalent variations, this does not influence flesh and blood of the present invention.Therefore, every content that does not break away from technological scheme of the present invention, all still belongs in the scope of technological scheme protection of the present invention any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present invention.
Claims (7)
1. an oil suction switch gear is characterized in that, comprising:
Depression bar, its bottom connects bulb, and the top connects plug;
Said bulb base point contacts a valve body;
Spring, an end connect said valve body bottom, and an end connects cover plate.
2. oil suction switch gear according to claim 1 is characterized in that said depression bar is movably connected to form by screw rod and push rod, and said bulb is arranged on said push rod bottom.
3. oil suction switch gear according to claim 2 is characterized in that, said screw rod and push rod joint are provided with two nuts.
4. oil suction switch gear according to claim 1 is characterized in that, comprises that also one has the oil suction filter of inner conical surface; Be set on the said depression bar; Be positioned at said valve body top, said valve body has a conical surface, and the conical surface of said valve body cooperates with the inner conical surface of said oil suction filter.
5. oil suction switch gear according to claim 1 is characterized in that, the side perforate of said valve body.
6. the hydraulic oil container that any said oil suction switch gear in the claim 1 to 5 is installed is characterized in that, comprising:
Inlet port is arranged on said hydraulic oil container side;
The oil suction switch gear, it is inner to be arranged on said hydraulic oil container;
The ball valve of draining the oil is arranged on said hydraulic oil container bottom;
Empty filter is arranged on said hydraulic oil container top;
The depression bar controlling device is arranged on said hydraulic oil container top, and said depression bar controlling device connects said depression bar.
7. hydraulic oil container according to claim 6 is characterized in that, said depression bar controlling device comprises:
First nut is enclosed within said depression bar top;
Screw is inserted in the top of the said first nut side, and said screw is positioned at the vertical top of said depression bar;
Second nut, the said depression bar that is threaded, said second nut is positioned at said hydraulic oil container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104338314A CN102493975A (en) | 2011-12-22 | 2011-12-22 | Oil absorption switching device and hydraulic oil tank with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104338314A CN102493975A (en) | 2011-12-22 | 2011-12-22 | Oil absorption switching device and hydraulic oil tank with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102493975A true CN102493975A (en) | 2012-06-13 |
Family
ID=46185824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104338314A Pending CN102493975A (en) | 2011-12-22 | 2011-12-22 | Oil absorption switching device and hydraulic oil tank with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102493975A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106151125A (en) * | 2016-08-11 | 2016-11-23 | 广西柳工机械股份有限公司 | Hydraulic oil container |
| CN109386508A (en) * | 2018-12-26 | 2019-02-26 | 廊坊中建机械有限公司 | Waterproof fuel tank and hydraulic station for crane hydraulic system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4402351A (en) * | 1978-04-28 | 1983-09-06 | Yamaha Hatsudoki Kabushiki Kaisha | Oil supply means for tanks containing blended fuel and oil |
| US4963258A (en) * | 1987-02-24 | 1990-10-16 | Aisaburo Yagishita | Filter with perforated fin portions extending from outer cylindrical wall |
| US5941232A (en) * | 1996-04-16 | 1999-08-24 | Vogelzang International Corporation | Space heater with novel fuel line assembly |
| CN101271103A (en) * | 2008-05-16 | 2008-09-24 | 东南大学 | Experimental device for concrete multifactor permanent stability under co-action of pulling stress and surroundings |
| CN201473995U (en) * | 2009-09-04 | 2010-05-19 | 中外合资沃得重工（中国）有限公司 | Hydraulic oil tank of excavator |
| CN202021579U (en) * | 2011-05-01 | 2011-11-02 | 江西铜业股份有限公司 | Key for dismantling Morse taper cutter bar |
-
2011
- 2011-12-22 CN CN2011104338314A patent/CN102493975A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4402351A (en) * | 1978-04-28 | 1983-09-06 | Yamaha Hatsudoki Kabushiki Kaisha | Oil supply means for tanks containing blended fuel and oil |
| US4963258A (en) * | 1987-02-24 | 1990-10-16 | Aisaburo Yagishita | Filter with perforated fin portions extending from outer cylindrical wall |
| US5941232A (en) * | 1996-04-16 | 1999-08-24 | Vogelzang International Corporation | Space heater with novel fuel line assembly |
| CN101271103A (en) * | 2008-05-16 | 2008-09-24 | 东南大学 | Experimental device for concrete multifactor permanent stability under co-action of pulling stress and surroundings |
| CN201473995U (en) * | 2009-09-04 | 2010-05-19 | 中外合资沃得重工（中国）有限公司 | Hydraulic oil tank of excavator |
| CN202021579U (en) * | 2011-05-01 | 2011-11-02 | 江西铜业股份有限公司 | Key for dismantling Morse taper cutter bar |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106151125A (en) * | 2016-08-11 | 2016-11-23 | 广西柳工机械股份有限公司 | Hydraulic oil container |
| CN109386508A (en) * | 2018-12-26 | 2019-02-26 | 廊坊中建机械有限公司 | Waterproof fuel tank and hydraulic station for crane hydraulic system |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120613 |