CA2398132A1 - Mobile elevator working and load-lifting platform - Google Patents

Mobile elevator working and load-lifting platform Download PDF

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Publication number
CA2398132A1
CA2398132A1 CA002398132A CA2398132A CA2398132A1 CA 2398132 A1 CA2398132 A1 CA 2398132A1 CA 002398132 A CA002398132 A CA 002398132A CA 2398132 A CA2398132 A CA 2398132A CA 2398132 A1 CA2398132 A1 CA 2398132A1
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CA
Canada
Prior art keywords
ground
carriage
drive wheel
assembly
load
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002398132A
Other languages
French (fr)
Other versions
CA2398132C (en
Inventor
Romain Julien
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Individual
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Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CA2398132A priority Critical patent/CA2398132C/en
Priority to US10/226,567 priority patent/US6883641B2/en
Publication of CA2398132A1 publication Critical patent/CA2398132A1/en
Application granted granted Critical
Publication of CA2398132C publication Critical patent/CA2398132C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G1/00—Scaffolds primarily resting on the ground
    • E04G1/24—Scaffolds primarily resting on the ground comprising essentially special base constructions; comprising essentially special ground-engaging parts, e.g. inclined struts, wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
    • B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
    • B66F11/042—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations actuated by lazy-tongs mechanisms or articulated levers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
    • B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/07559—Stabilizing means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/07586—Suspension or mounting of wheels on chassis
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G1/00—Scaffolds primarily resting on the ground
    • E04G1/18—Scaffolds primarily resting on the ground adjustable in height
    • E04G1/22—Scaffolds having a platform on an extensible substructure, e.g. of telescopic type or with lazy-tongs mechanism
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G1/00—Scaffolds primarily resting on the ground
    • E04G1/24—Scaffolds primarily resting on the ground comprising essentially special base constructions; comprising essentially special ground-engaging parts, e.g. inclined struts, wheels
    • E04G2001/242—Scaffolds movable on wheels or tracks
    • E04G2001/244—Scaffolds movable on wheels or tracks mechanically operated

Abstract

A ground-movable load-lifting vehicle for lifting a load over ground. The vehicle comprises a platform bed, a ground-movable carriage, and an extendible scissor linkage assembly supporting the platform bed spacedly over the carriage. A
hydraulic ram system enables power extension of the scissor linkage assembly against the bias of a load supported by said platform bed. The carriage further includes peripheral ground-engageable pivotal casters, rotatably mounted to the carriage in spaced apart fashion, and a pair of ground-engageable drive wheel assemblies, mounted for relative movement to a central portion of the carriage, wherein the drive wheel assemblies provide omnidirectional displacement capability for this load-lifting vehicle. A power unit, controlled by an electronic circuit, powers both the hydraulic rams of the scissor linkage assembly and the drive wheel assemblies.

Claims (18)

1. A ground-movable carriage for supporting spacedly over ground a liftable platform with an extendable scissor linkage assembly, said carriage including:
a) a rigid main frame, defining a front portion, a rear portion, and a middle portion intermediate said front portion and said rear portion;
b) a first pair of ground-engageable front pivotal casters, rotatably mounted to said main frame front portion in laterally spaced apart fashion;
c) a second pair of ground-engageable rear pivotal casters. rotatably mounted to said main frame rear portion in laterally spaced fashion;
d) a ground-engageable omnidirectional drive wheel assembly, mounted for relative movement to said main frame middle portion ; and e) a power unit, operatively connected to said drive wheel assembly and powering said drive wheel assembly in moving said carriage rollingly over ground;
wherein said drive wheel assembly can provide full turn rotation of said carriage without fore and aft motion.
2. A carriage as in claim 1, further including tilt means, cooperating with said drive wheel assembly in enabling downward tilt of said drive wheel assembly to accommodate uneven ground surface.
3. A carriage as in claim 1, wherein said drive wheel assembly includes a first wheel axle and a second wheel axle, each of said first wheel axle and second wheel axle being independently articulated to said carriage main frame by a first pivot mount system and by a second pivoted suspension system.
4. A carriage as in claim 3, further including a manual remote-control device, operatively connected to said power unit for remotely actuating said drive wheel assembly.
5. A carriage as in claim 3, further including a first reduction gear assembly, connected to said first wheel axle, and a second reduction gear assembly, connected to said second wheel axle; and wherein said power unit includes a first motor, connected to said first wheel axle and cooperating with said first reduction gear assembly, and a second motor, connected to said second wheel axle and cooperating with said second reduction gear assembly; at least one of said first motor and second motor providing reversible torque output.
6. A carriage as in claim 5, further including an electronic circuit, operatively interconnecting said first and second motors, said first and second reduction gears, and said remote control device, said electronic circuit controlling direction of rotation of each of said first wheel axle and second wheel axle.
7. A ground-movable load-lifting vehicle for lifting a load over ground, said vehicle comprising:
a) a platform bed, for supporting and containing a load spacedly over ground;
b) a ground-movable carriage, including a rigid main frame defining a front portion, a rear portion, and a middle portion intermediate said front portion and said rear portion;
c) a scissor linkage assembly, supporting said platform bed spacedly over said carriage, said scissor linkage assembly including a first pivot mount, pivotally interconnecting a top end of said scissor linkage assembly to said platform bed, a second pivot mount, pivotally interconnecting a bottom end of said scissor linkage assembly to said carriage, and ram means for power extending said scissor linkage assembly against the bias of the load supported by said platform bed;
wherein said carriage further includes:
- a first pair of ground-engageable front pivotal casters, rotatably mounted to said main frame front portion in laterally spaced apart fashion;
- a second pair of ground-engageable rear pivotal casters, rotatably mounted to said main frame rear portion in laterally spaced fashion;
d) a ground-engageable omnidirectional drive wheel assembly, mounted for relative movement to said main frame middle portion ; and e) a power unit, operatively connected to said drive wheel assembly and powering said drive wheel assembly in moving said carriage rollingly over ground;
wherein said drive wheel assembly can provide full turn rotation of said carriage without fore and aft motion.
8. A load lifting vehicle as in claim 7, further including tilt means, cooperating with said drive wheel assembly in enabling downward tilt of said drive wheel assembly to accommodate uneven ground surface.
9. A load lifting vehicle as in claim 7, wherein said drive wheel assembly includes a first wheel axle and a second wheel axle, each of said first wheel axle and second wheel axle being independently articulated to said carnage main frame by a first pivot mount system and by a second pivoted suspension system.
10. A load lifting vehicle as in claim 9, further including a manual remote-control device, mounted to said platform bed and operatively connected to said power unit and remotely actuating said drive wheel assembly.
11. A load-lifting vehicle as in claim 10, further including a first reduction gear assembly, connected to said first wheel axle, and a second reduction gear assembly, connected to said second wheel axle; and wherein said power unit includes a first motor, connected to said first wheel axle and cooperating with said first reduction gear assembly, and a second motor, connected to said second wheel axle and cooperating with said second reduction gear assembly; at least one of said first motor and second motor providing reversible torque output.
12. A load-lifting vehicle as in claim 11, further including an electronic circuit, operatively interconnecting said first and second motors, said first and second reduction gears, and said remote control device, said electronic circuit controlling direction of rotation of each of said first wheel axle and second wheel axle.
13. A load-lifting vehicle as in claim 10, wherein said ram means are operatively connected to said power unit and to said remote control device, said power unit controlling said ram means concurrently with said drive wheel.
14. A load lifting vehicle as in claim 7, further including an electronic circuit, integral to said carriage main frame and operatively interconnecting said ram means and said power unit, wherein said drive
15 wheel assembly of the carriage and said ram means of the scissor linkage assembly are selectively controled by said electronic circuit independently of one another.

15. A ground movable vehicle having a rigid chassis defining a central area and a peripheral edge portion, a number of ground-engageable swivel casters rotatably mounted to said peripheral edge portion of said chassis in spaced apart fashion whereby said chassis is spacedly supported over ground, ground engageable drive wheel means to be mounted to said central area of said rigid chassis, mounting means mounting said drive wheel means to said central area of said rigid chassis for relative movement thereabout, and power means powering said drive wheel means for moving said movable vehicle over ground;
wherein said mounting means provide omnidirectional displacement capability for said movable vehicle.
16. A ground movable vehicle as in claim 15, further including a platform member, and a lifting member operatively interconnecting said platform member and said chassis, said platform member for supporting a load, said lifting member operatively connected to said power means.
17. A ground movable vehicle as in claim 16, further including an electronic circuit, operatively interconnecting said lifting member and said power means, wherein said drive wheel means and said lifting member are selectively controled by said electronic circuit independently of one another.
18. A ground movable vehicle as in claim 17, further including a manual remote-control device, operatively connected to said electronic circuit, said remote-control device controling said drive wheel means and said lifting member.
CA2398132A 2002-08-13 2002-08-13 Mobile elevator working and load-lifting platform Expired - Fee Related CA2398132C (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA2398132A CA2398132C (en) 2002-08-13 2002-08-13 Mobile elevator working and load-lifting platform
US10/226,567 US6883641B2 (en) 2002-08-13 2002-08-16 Mobile elevator working and load-lifting platform

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA2398132A CA2398132C (en) 2002-08-13 2002-08-13 Mobile elevator working and load-lifting platform
US10/226,567 US6883641B2 (en) 2002-08-13 2002-08-16 Mobile elevator working and load-lifting platform

Publications (2)

Publication Number Publication Date
CA2398132A1 true CA2398132A1 (en) 2004-02-13
CA2398132C CA2398132C (en) 2011-07-19

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Family Applications (1)

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CA2398132A Expired - Fee Related CA2398132C (en) 2002-08-13 2002-08-13 Mobile elevator working and load-lifting platform

Country Status (2)

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US (1) US6883641B2 (en)
CA (1) CA2398132C (en)

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US20170101297A1 (en) * 2015-10-13 2017-04-13 Mass. Electric Construction Co. Platform truck for catenary wire installation and method of use
CN109209263A (en) * 2018-11-08 2019-01-15 四川宏华石油设备有限公司 A kind of pipe handler apparatus
CN112878650A (en) * 2021-01-21 2021-06-01 深圳市华艺阳光装饰设计工程有限公司 Assembly part strutting arrangement is used to assembled fitment based on electronic information technique

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CN109209263A (en) * 2018-11-08 2019-01-15 四川宏华石油设备有限公司 A kind of pipe handler apparatus
CN112878650A (en) * 2021-01-21 2021-06-01 深圳市华艺阳光装饰设计工程有限公司 Assembly part strutting arrangement is used to assembled fitment based on electronic information technique

Also Published As

Publication number Publication date
US20040035636A1 (en) 2004-02-26
US6883641B2 (en) 2005-04-26
CA2398132C (en) 2011-07-19

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