CN105858563A - Rear-guard front-steering shears-fork type aerial work platform - Google Patents
Rear-guard front-steering shears-fork type aerial work platform Download PDFInfo
- Publication number
- CN105858563A CN105858563A CN201610448955.2A CN201610448955A CN105858563A CN 105858563 A CN105858563 A CN 105858563A CN 201610448955 A CN201610448955 A CN 201610448955A CN 105858563 A CN105858563 A CN 105858563A
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- Prior art keywords
- wheel
- steering
- chassis
- lowering
- scissor
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Classifications
-
- 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
- B66F2700/00—Lifting apparatus
- B66F2700/12—Lifting platforms for vehicles or motorcycles or similar lifting apparatus
- B66F2700/123—Details concerning the support members or devices not related to the lifting itself
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Handcart (AREA)
Abstract
The invention relates to a rear-guard front-steering shears-fork type aerial work platform which comprises a driving chassis and a lifting device, wherein the driving chassis comprises a chassis body and a driving device; the driving device comprises a left wheel rack, a right wheel rack, a linking rack and a steering cylinder; the left wheel rack and the right wheel rack are rotationally mounted on the chassis body through a wheel rack shaft; two ends of the linking rack are respectively hinged onto the left wheel rack and the right wheel rack; one end of the steering cylinder is mounted on the linking rack; the other end of the steering cylinder is fixedly connected with the wheel rack shaft through a mounting plate. Through the adoption of a configuration scheme of hydraulic steering, the steering flexibility is improved while the chassis is simplified; a potentiometer is further adopted, the potentiometer is arranged on the shaft of a lifting device, any lifting height corresponds to a sole rotation angle of the rotating shaft, the potentiometer shows sole resistance, the sole resistance corresponding to the heights is recorded in a controller, and the lifting heights of the lifting device can be limited by setting the resistance.
Description
Technical field
The present invention relates to hoistable platform technical field, be specifically related to the scissor aerial work platform of a kind of rear-guard front steering.
Background technology
Aerial work platform Aerial
Work platform is to serve the mobility work high above the ground products such as every profession and trade work high above the ground, equipment installation, maintenance.Aerial work platform Related product mainly has: scissor-type, gantry type, straight arm type, crank arm type, telescopic, column type, saddle climbing type etc..
Scissor aerial work platform has higher stability, roomy job platform and higher bearing capacity, makes work high above the ground scope bigger and is suitable for many people operation simultaneously.It makes work high above the ground in hgher efficiency, and safety more ensures.This product integrates four-wheel and moves and take turns traction with two, automobile, tricycle or battery truck chassis is used to make platform underframe, utilize this car engine or direct current to do power, not only wheeled but also lifting platform can be driven, be widely used in the work high above the ground of the industries such as urban construction, oil field, traffic, municipal administration, plant area.Such as the Chinese invention patent application of Application No. 201510438415.1, disclose and a kind of there is high stability travel the aerial work platform turned to.It includes travelling chassis and lowering or hoisting gear, mobile devices include left steering wheel, again deflecting roller and leg structure, travel chassis to include vehicle frame plate, supporting leg seat board, supporting leg installing plate, support outer tube, support inner tube and a spike, lowering or hoisting gear includes scissor lift structure and workbench, and workbench includes that platform fixes base plate, railing frame and handrail door.
Existing scissor aerial work platform is the biggest, it is impossible to be well adapted for multiple occasion.If being reduced by existing scissor aerial work platform, then will run into various problems, such as the setting turned to, original steering mechanism is complicated due to size structure bigger than normal, it is difficult to adapt to the scissor aerial work platform of scaled down version.
Summary of the invention
The invention solves the problems that above-mentioned technical problem, thus the scissor aerial work platform of a kind of rear-guard front steering is provided.
The technical scheme that the present invention solves the problems referred to above is as follows:
The scissor aerial work platform of rear-guard front steering, including travelling chassis and lowering or hoisting gear, described traveling chassis includes chassis body and mobile devices, described mobile devices include left steering wheel, right turn wheel, revolver frame, right wheel frame, linkage rack and steering cylinder, described left steering wheel, right turn wheel are separately mounted on revolver frame, right wheel frame, and revolver frame, right wheel frame are rotatably installed in chassis body by wheel frame axle；Described linkage rack two ends are respectively hinged on revolver frame, right wheel frame；Described linkage rack also includes a steering cylinder installation portion, for installing one end of described steering cylinder；The other end of described steering cylinder is affixed with described wheel frame axle by an installing plate, thus make left steering wheel and right turn wheel turn to towards side when controlling the elongation of described steering cylinder, make left steering wheel and right turn wheel turn to towards opposite side when controlling described steering cylinder and shrinking；Described mobile devices also include left rear wheel and off hind wheel, and left rear wheel, off hind wheel realize driving by the left driving motor being fixed in chassis body, right driving motor respectively；Left steering wheel, right turn wheel realize installing by the revolver connection dish being fixed on revolver frame, the right wheel connection dish being fixed on right wheel frame respectively.
Preferred as technique scheme, described lowering or hoisting gear includes scissor type elevating structure and hoistable platform, described scissor type elevating structure is formed by connecting by a number of scissor unit, scissor unit one end of bottom is hinged on traveling chassis, the other end is hinged on slide block, and described slide block is slidably matched with described traveling chassis；Also include lifting inspection control system, described lifting inspection control system includes potentiometer and the controller being arranged in the rotary shaft of scissor type elevating structure, arbitrary adjustable height corresponds to the unique anglec of rotation of described rotary shaft, potentiometer is made to present unique resistance value, each highly unique corresponding resistance value is recorded in controller, realizes carrying out spacing to the adjustable height of described lowering or hoisting gear by setting resistance value.
Preferred as technique scheme, described chassis body also includes pit-hole assembly, described pit-hole assembly includes turnover panel, claw, lower link, middle connecting rod and depression bar, described depression bar is movably installed in sleeve inner, upper end is for accepting the compressing of lowering or hoisting gear, and lower end is resisted against on the pinch roller being rotationally connected with described middle connecting rod one end, and the middle connecting rod other end is rotationally connected with described lower link one end, the lower link other end is flexibly connected with described claw one end, and described claw is used for fixing described turnover panel；Being rotatably connected on substrate by the first axle in the middle part of described middle connecting rod, the claw other end is rotatably connected on substrate by the second axle；When lowering or hoisting gear declines, push down the upper end of depression bar, power is delivered to middle connecting rod one end by pinch roller, by the rotation of middle connecting rod, power is delivered to the middle connecting rod other end, and power passes to lower link, a part of power is passed to claw by lower link, another part power being applied on gas bar, make gas bar reclaim, savings potential energy is in gas bar；Simultaneously as claw is fixed with turnover panel so that turnover panel is packed up；And during lowering or hoisting gear rising, the compressing of depression bar upper end is released from, and is stored in the potential energy in gas bar, gas bar is opened, and by the form of power, acts on lower link, on the one hand drive turnover panel to erect, on the other hand make depression bar reset by the transmission of power, be allowed to the compressing again being suitable to accept lowering or hoisting gear；When turnover panel erects, complete machine can be avoided to be absorbed in pit-hole.
Preferred as technique scheme, described chassis body is provided with drawer, and the hydraulic oil pump of steering cylinder, controller and battery are arranged in described drawer.
Preferred as technique scheme, the power line of hydraulic oil pump, controller and battery and holding wire, after described drawer picks out, are installed to bearing by being arranged on the drag chain activity of chassis body.
The method have the advantages that
1, the present invention ingenious setting by steering cylinder, has simplified steering, has been allowed to be applicable to the chassis of the fork type elevator of minification；
2, the present invention uses forerunner's front steering or the allocation plan of rear-guard front steering, while simplifying chassis, also improves the flexibility turned to；
3, it is additionally provided with pit-hole assembly on the chassis of the present invention, had both avoided complete machine and be absorbed in pit-hole, and improve the travel speed of the machine simultaneously, even if after lifting assembly rises, it is also possible to fast running；
4, being additionally provided with drawer on the chassis of the present invention, hydraulic pump, controller and battery are all disposed within it, can be extracted out by drawer when breaking down, it is simple to maintenance；
5, due to the fact that size reduction, structure is simplified, therefore the inconvenient adjustable height removing to limit lowering or hoisting gear by arranging travel switch；Therefore present invention employs potentiometric technical scheme, potentiometer is arranged on the axle of lowering or hoisting gear, arbitrary adjustable height corresponds to the unique anglec of rotation of rotary shaft, potentiometer is made to present unique resistance value, each highly unique corresponding resistance value is recorded in controller, realizes carrying out spacing to the adjustable height of described lowering or hoisting gear by setting resistance value.
Accompanying drawing explanation
Fig. 1 is the side view of the present invention；
Fig. 2 is the rearview of the present invention；
Fig. 3 is the structure chart of mobile devices of the present invention；
Fig. 4 is the structure chart of pit-hole assembly of the present invention；
In figure, 1-travels chassis；2-lowering or hoisting gear；
11-chassis body；12-mobile devices；
21-scissor type elevating structure；22-hoistable platform；
11-1-turnover panel, 11-2-claw, 11-3-lower link, connecting rod in 11-4-, 11-5-depression bar, 11-6-substrate, 11-7-the first axle, 11-8-the second axle, 11-9-gas bar；
121-left steering is taken turns, and 122-right turn is taken turns, 123-revolver frame, 124-right wheel frame, 125-linkage rack, 126-steering cylinder, 127-installing plate, 128-left driving motor, 129-right driving motor, 130-wheel frame axle；1251-steering cylinder installation portion；131-revolver connection dish, 132-right wheel connection dish；128 '-left driving motor, 129 '-right driving motor.
211-scissor unit, 212-slide block, 213-potentiometer.
Detailed description of the invention
Embodiment one
As it is shown in figure 1, the scissor aerial work platform of a kind of rear-guard front steering, including travelling chassis 1 and lowering or hoisting gear 2.Travel chassis and include chassis body 11 and mobile devices 12.Described lowering or hoisting gear 2 includes scissor type elevating structure 21 and hoistable platform 22.
As shown in Figures 2 and 3, mobile devices 12 include left steering wheel 121, right turn wheel 122, revolver frame 123, right wheel frame 124, revolver connection dish 131, right wheel connection dish 132, linkage rack 125, steering cylinder 126, left rear wheel, off hind wheel, left driving motor 128 ' and right driving motor 129 '.Left rear wheel, off hind wheel realize driving by the left driving motor 128 ' being fixed in chassis body 11, right driving motor 129 ' respectively；Left steering wheel 121, right turn wheel 122 realize installing by the revolver connection dish 131 being fixed on revolver frame 123, the right wheel connection dish 132 being fixed on right wheel frame 123 respectively.
Revolver frame 123, right wheel frame 124 are rotatably installed in chassis body 11 by wheel frame axle 130.
Described linkage rack 125 two ends are respectively hinged on revolver frame 123, right wheel frame 124；Described linkage rack 125 also includes a steering cylinder installation portion 1251, for installing one end of described steering cylinder 126；The other end of described steering cylinder 126 is affixed with described wheel frame axle 130 by an installing plate 127, thus make left steering wheel 121 and right turn wheel 122 turn to towards side when controlling described steering cylinder 126 and extending, make left steering wheel 121 and right turn wheel 122 turn to towards opposite side when controlling described steering cylinder 126 and shrinking.
As it is shown in figure 1, scissor type elevating structure 21 is formed by connecting by a number of scissor unit 211, scissor unit 211 one end of bottom is hinged on traveling chassis 1, and the other end is hinged on slide block 212, and described slide block 212 is slidably matched with described traveling chassis 1；Also include lifting inspection control system, described lifting inspection control system includes potentiometer 213 and the controller being arranged in the rotary shaft of scissor type elevating structure 21, arbitrary adjustable height corresponds to the unique anglec of rotation of described rotary shaft, potentiometer 213 is made to present unique resistance value, each highly unique corresponding resistance value is recorded in controller, realizes carrying out spacing to the adjustable height of described lowering or hoisting gear by setting resistance value.
As shown in Figure 4, chassis body 11 also includes pit-hole assembly, described pit-hole assembly includes turnover panel 11-1, claw 11-2, lower link 11-3, middle connecting rod 11-4 and depression bar 11-5, described depression bar 11-5 is movably installed in sleeve inner, upper end is for accepting the compressing of lowering or hoisting gear 2, lower end is resisted against on the pinch roller being rotationally connected with described middle connecting rod 11-4 one end, the middle connecting rod 11-4 other end is rotationally connected with described lower link 11-3 one end, the lower link 11-3 other end is flexibly connected with described claw 11-2 one end, and described claw 11-2 is used for fixing described turnover panel 11-1；Being rotatably connected on substrate 11-6 by the first axle 11-7 in the middle part of described middle connecting rod 11-4, the claw 11-2 other end is rotatably connected on substrate 11-6 by the second axle 11-8；When lowering or hoisting gear 2 declines, push down the upper end of depression bar 11-5, power is delivered to middle connecting rod 11-4 one end by pinch roller, by the rotation of middle connecting rod 11-4, power is delivered to the middle connecting rod 11-4 other end, and power passes to lower link 11-3, a part of power is passed to claw 11-2 by lower link 11-3, another part power being applied on gas bar 11-9, make gas bar 11-9 reclaim, savings potential energy is in gas bar 11-9；Simultaneously as claw 11-2 fixes with turnover panel 11-1 so that turnover panel 11-1 packs up；And lowering or hoisting gear 2 is when rising, the compressing of depression bar 11-5 upper end is released from, it is stored in the potential energy in gas bar 11-9, gas bar 11-9 opens, by the form of power, act on lower link 11-3, on the one hand drive turnover panel 11-1 to erect, on the other hand make depression bar 11-5 reset by the transmission of power, be allowed to the compressing again being suitable to accept lowering or hoisting gear 2；When turnover panel 11-1 erects, complete machine can be avoided to be absorbed in pit-hole.
As it is shown in figure 1, described chassis body 11 is provided with drawer 111, the hydraulic oil pump of steering cylinder 126, controller and battery are arranged in described drawer 111.The power line of hydraulic oil pump, controller and battery and holding wire, after described drawer 111 picks out, are installed to bearing by being arranged on the drag chain activity of chassis body 11.
Claims (5)
1. the scissor aerial work platform of rear-guard front steering, including travelling chassis (1) and lowering or hoisting gear (2), described traveling chassis includes chassis body (11) and mobile devices (12), described mobile devices (12) include that left steering takes turns (121), right turn wheel (122), revolver frame (123), right wheel frame (124), linkage rack (125) and steering cylinder (126), described left steering wheel (121), right turn wheel (122) is separately mounted to revolver frame (123), on right wheel frame (124), revolver frame (123), right wheel frame (124) is rotatably installed in chassis body (11) by wheel frame axle (130)；It is characterized in that: described linkage rack (125) two ends are respectively hinged on revolver frame (123), right wheel frame (124)；Described linkage rack (125) also includes a steering cylinder installation portion (1251), is used for installing one end of described steering cylinder (126)；The other end of described steering cylinder (126) is affixed with described wheel frame axle (130) by an installing plate (127), thus make left steering wheel (121) and right turn wheel (122) turn to towards side when controlling described steering cylinder (126) elongation, make left steering wheel (121) and right turn wheel (122) turn to towards opposite side when controlling described steering cylinder (126) and shrinking；Described mobile devices (12) also include left rear wheel and off hind wheel, and left rear wheel, off hind wheel realize driving by left driving motor (128 ') being fixed in chassis body (11), right driving motor (129 ') respectively；Left steering wheel (121), right turn wheel (122) realize installing by revolver connection dish (131) being fixed on revolver frame (123), right wheel connection dish (132) being fixed on right wheel frame (123) respectively.
The scissor aerial work platform of rear-guard front steering the most according to claim 1, it is characterized in that: described lowering or hoisting gear (2) includes scissor type elevating structure (21) and hoistable platform (22), described scissor type elevating structure (21) is formed by connecting by a number of scissor unit (211), scissor unit (211) one end of bottom is hinged in traveling chassis (1), the other end is hinged on slide block (212), and described slide block (212) is slidably matched with described traveling chassis (1)；Also include lifting inspection control system, described lifting inspection control system includes potentiometer (213) and the controller being arranged in the rotary shaft of scissor type elevating structure (21), arbitrary adjustable height corresponds to the unique anglec of rotation of described rotary shaft, potentiometer (213) is made to present unique resistance value, each highly unique corresponding resistance value is recorded in controller, realizes carrying out spacing to the adjustable height of described lowering or hoisting gear by setting resistance value.
nullThe scissor aerial work platform of rear-guard front steering the most according to claim 1，It is characterized in that: described chassis body (11) also includes pit-hole assembly，Described pit-hole assembly includes turnover panel (11-1)、Claw (11-2)、Lower link (11-3)、Middle connecting rod (11-4) and depression bar (11-5)，Described depression bar (11-5) is movably installed in sleeve inner，Upper end is used for accepting the compressing of lowering or hoisting gear (2)，Lower end is resisted against on the pinch roller being rotationally connected with described middle connecting rod (11-4) one end，Middle connecting rod (11-4) other end is rotationally connected with described lower link (11-3) one end，Lower link (11-3) other end is flexibly connected with described claw (11-2) one end，Described claw (11-2) is used for fixing described turnover panel (11-1)；Described middle connecting rod (11-4) middle part is rotatably connected on substrate (11-6) by the first axle (11-7), and claw (11-2) other end is rotatably connected on substrate (11-6) by the second axle (11-8)；When lowering or hoisting gear (2) declines, push down the upper end of depression bar (11-5), power is delivered to middle connecting rod (11-4) one end by pinch roller, by the rotation of middle connecting rod (11-4), power is delivered to middle connecting rod (11-4) other end, and power passes to lower link (11-3), a part of power is passed to claw (11-2) by lower link (11-3), another part power being applied on gas bar (11-9), make gas bar (11-9) reclaim, savings potential energy is in gas bar (11-9)；Simultaneously as claw (11-2) is fixed with turnover panel (11-1) so that turnover panel (11-1) is packed up；And during lowering or hoisting gear (2) rising, the compressing of depression bar (11-5) upper end is released from, it is stored in the potential energy in gas bar (11-9), gas bar (11-9) is opened, by the form of power, act on lower link (11-3), on the one hand drive turnover panel (11-1) to erect, on the other hand make depression bar (11-5) reset by the transmission of power, be allowed to the compressing again being suitable to accept lowering or hoisting gear (2)；When turnover panel (11-1) erects, complete machine can be avoided to be absorbed in pit-hole.
The scissor aerial work platform of rear-guard front steering the most according to claim 1, it is characterized in that: described chassis body (11) is provided with drawer (111), hydraulic oil pump, controller and the battery of steering cylinder (126) is arranged in described drawer (111).
The scissor aerial work platform of rear-guard front steering the most according to claim 4, it is characterized in that: the power line of hydraulic oil pump, controller and battery and holding wire, after described drawer (111) picks out, are installed to bearing by being arranged on the drag chain activity of chassis body (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610448955.2A CN105858563B (en) | 2016-06-21 | 2016-06-21 | The scissor aerial work platform of rear-guard front steering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610448955.2A CN105858563B (en) | 2016-06-21 | 2016-06-21 | The scissor aerial work platform of rear-guard front steering |
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| Publication Number | Publication Date |
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| CN105858563A true CN105858563A (en) | 2016-08-17 |
| CN105858563B CN105858563B (en) | 2018-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610448955.2A Active CN105858563B (en) | 2016-06-21 | 2016-06-21 | The scissor aerial work platform of rear-guard front steering |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108656883A (en) * | 2018-05-18 | 2018-10-16 | 新乡市百分百机电有限公司 | Combined locomotive head maintenance car |
| CN112850595A (en) * | 2021-02-08 | 2021-05-28 | 江苏汇智高端工程机械创新中心有限公司 | Full-electric scissor-type aerial work platform |
| CN114454958A (en) * | 2021-12-31 | 2022-05-10 | 湖南中联重科智能高空作业机械有限公司 | Aerial work platform and control method and control system thereof |
| CN115924813A (en) * | 2023-01-29 | 2023-04-07 | 苏州斯特博尔智能科技有限公司 | Power-assisted buffer mechanism of thrust oil cylinder of scissor lift |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108656883A (en) * | 2018-05-18 | 2018-10-16 | 新乡市百分百机电有限公司 | Combined locomotive head maintenance car |
| CN112850595A (en) * | 2021-02-08 | 2021-05-28 | 江苏汇智高端工程机械创新中心有限公司 | Full-electric scissor-type aerial work platform |
| CN114454958A (en) * | 2021-12-31 | 2022-05-10 | 湖南中联重科智能高空作业机械有限公司 | Aerial work platform and control method and control system thereof |
| CN115924813A (en) * | 2023-01-29 | 2023-04-07 | 苏州斯特博尔智能科技有限公司 | Power-assisted buffer mechanism of thrust oil cylinder of scissor lift |
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| Publication number | Publication date |
|---|---|
| CN105858563B (en) | 2018-07-03 |
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