CN105967116A - Front-drive front-steering scissors type aerial work platform - Google Patents
Front-drive front-steering scissors type aerial work platform Download PDFInfo
- Publication number
- CN105967116A CN105967116A CN201610448971.1A CN201610448971A CN105967116A CN 105967116 A CN105967116 A CN 105967116A CN 201610448971 A CN201610448971 A CN 201610448971A CN 105967116 A CN105967116 A CN 105967116A
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- Prior art keywords
- steering
- wheel
- chassis
- lowering
- scissor
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention relates to a front-drive front-steering scissors type aerial work platform, which comprises a driving chassis and a lifting device. The driving chassis comprises a chassis body and a driving device; the driving device comprises a left wheel carrier, a right wheel carrier, a linkage carrier and a steering oil cylinder; the left wheel carrier and the right wheel carrier are rotatably arranged on the chassis body through wheel carrier shafts; two ends of the linkage carrier are respectively hinged onto the left wheel carrier and the right wheel carrier; one end of the steering oil cylinder is arranged on the linkage carrier; the other end of the steering oil cylinder is fixedly connected with one wheel carrier shaft through an installation plate. According to the front-drive front-steering scissors type aerial work platform provided by the invention, a front-drive front-steering arrangement scheme is adopted, so that the chassis is simplified, and meanwhile, the flexibility in steering is improved; a potentionmeter is also adopted, and is arranged on a shaft of the lifting device, and any lifting height corresponds to an only rotation angle of a rotary shaft, so that the potentionmeter presents an only resistance value; the resistance values in one-to-one correspondence to the heights are recorded in a controller, so that the lifting height of the lifting device is limited through setting the resistance value.
Description
Technical field
The present invention relates to hoistable platform technical field, be specifically related to a kind of scissor aerial work platform.
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 electromobile chassis is used to make platform underframe, utilize this car engine or unidirectional 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 work platforms, and work platforms 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 forerunner's 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 forerunner's 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 left steering wheel, right turn wheel realize driving by the left driving motor being fixed on revolver frame, the right driving motor being fixed on right wheel frame respectively；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.
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 accumulator are arranged in described drawer.
Preferred as technique scheme, the power line of hydraulic oil pump, controller and accumulator 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 the allocation plan of forerunner's front steering, while simplifying chassis, also improves the motility 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 accumulator 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 front view of the present invention；
Fig. 2 is the structure chart of mobile devices of the present invention；
Fig. 3 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；
211-scissor unit, 212-slide block, 213-potentiometer.
Detailed description of the invention
As it is shown in figure 1, the scissor aerial work platform of a kind of forerunner's 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 Figure 2, mobile devices 12 include left steering wheel 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 are separately mounted on revolver frame 123, right wheel frame 124, and left steering wheel 121, right turn wheel 122 realize driving by the left driving motor 128 being fixed on revolver frame 123, the right driving motor 129 being fixed on right wheel frame 124 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 3, 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 accumulator are arranged in described drawer 111.The power line of hydraulic oil pump, controller and accumulator 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 forerunner's 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), left steering wheel (121), right turn wheel (122) is respectively by the left driving motor (128) being fixed on revolver frame (123), the right driving motor (129) being fixed on right wheel frame (124) realizes driving；Revolver frame (123), right wheel frame (124) are 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.
The scissor aerial work platform of forerunner's 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 forerunner's front steering the most according to claim 2，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 forerunner's 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 accumulator of steering cylinder (126) is arranged in described drawer (111).
The scissor aerial work platform of forerunner's front steering the most according to claim 4, it is characterized in that: the power line of hydraulic oil pump, controller and accumulator 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 |
|---|---|---|---|
| CN201610448971.1A CN105967116B (en) | 2016-06-21 | 2016-06-21 | The scissor aerial work platform of forerunner's front steering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610448971.1A CN105967116B (en) | 2016-06-21 | 2016-06-21 | The scissor aerial work platform of forerunner's front steering |
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| Publication Number | Publication Date |
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| CN105967116A true CN105967116A (en) | 2016-09-28 |
| CN105967116B CN105967116B (en) | 2018-07-03 |
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| CN201610448971.1A Active CN105967116B (en) | 2016-06-21 | 2016-06-21 | The scissor aerial work platform of forerunner's front steering |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107827024A (en) * | 2017-12-11 | 2018-03-23 | 湖南杰希重工有限公司 | The aerial work platform scissors type elevating position-limit mechanism and method of work of a kind of combination |
| CN110467132A (en) * | 2019-08-12 | 2019-11-19 | 浙江瀚镪自动化设备股份有限公司 | A kind of walking scissor aerial work platform certainly with drawer structure |
| CN113880018A (en) * | 2021-09-30 | 2022-01-04 | 湖南中联重科智能高空作业机械有限公司 | Steering mechanism, operation platform chassis and scissor-fork type aerial operation platform thereof |
| CN113905974A (en) * | 2019-04-05 | 2022-01-07 | 奥斯克什公司 | Full-electric scissor type elevator |
| CN113911956A (en) * | 2021-12-13 | 2022-01-11 | 徐州琦铭斯智能科技有限公司 | A transfer equipment for instrument and meter makes |
| CN114084856A (en) * | 2021-12-21 | 2022-02-25 | 浙江鼎力机械股份有限公司 | Narrow-distance scissor-type aerial work platform |
| US12134428B2 (en) * | 2023-03-02 | 2024-11-05 | Oshkosh Corporation | Lift steering systems and methods |
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| CN110467132A (en) * | 2019-08-12 | 2019-11-19 | 浙江瀚镪自动化设备股份有限公司 | A kind of walking scissor aerial work platform certainly with drawer structure |
| CN113880018A (en) * | 2021-09-30 | 2022-01-04 | 湖南中联重科智能高空作业机械有限公司 | Steering mechanism, operation platform chassis and scissor-fork type aerial operation platform thereof |
| CN113911956A (en) * | 2021-12-13 | 2022-01-11 | 徐州琦铭斯智能科技有限公司 | A transfer equipment for instrument and meter makes |
| CN114084856A (en) * | 2021-12-21 | 2022-02-25 | 浙江鼎力机械股份有限公司 | Narrow-distance scissor-type aerial work platform |
| US12134428B2 (en) * | 2023-03-02 | 2024-11-05 | Oshkosh Corporation | Lift steering systems and methods |
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| Publication number | Publication date |
|---|---|
| CN105967116B (en) | 2018-07-03 |
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