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CN105858563B - The scissor aerial work platform of rear-guard front steering - Google Patents

The scissor aerial work platform of rear-guard front steering Download PDF

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Publication number
CN105858563B
CN105858563B CN201610448955.2A CN201610448955A CN105858563B CN 105858563 B CN105858563 B CN 105858563B CN 201610448955 A CN201610448955 A CN 201610448955A CN 105858563 B CN105858563 B CN 105858563B
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CN
China
Prior art keywords
wheel
chassis
steering
frame
scissor
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Active
Application number
CN201610448955.2A
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Chinese (zh)
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CN105858563A (en
Inventor
许树根
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Dingli Machinery Co Ltd
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Zhejiang Dingli Machinery Co Ltd
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.)
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Priority to CN201610448955.2A priority Critical patent/CN105858563B/en
Publication of CN105858563A publication Critical patent/CN105858563A/en
Application granted granted Critical
Publication of CN105858563B publication Critical patent/CN105858563B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, 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
    • B66F11/00Lifting devices specially adapted for particular uses not otherwise provided for
    • B66F11/04Lifting 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
    • B66F11/042Lifting 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, 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
    • B66F2700/00Lifting apparatus
    • B66F2700/12Lifting platforms for vehicles or motorcycles or similar lifting apparatus
    • B66F2700/123Details 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 present invention relates to a kind of scissor aerial work platforms of rear-guard front steering.It includes traveling chassis and lifting gear, and traveling chassis includes chassis body and mobile devices, and mobile devices include revolver frame, right wheel frame, linkage rack and steering cylinder;Revolver frame, right wheel frame are rotatably installed in by wheel frame axle in chassis body;Linkage rack both ends are respectively hinged at revolver frame, on right wheel frame;One end of steering cylinder is installed on linkage rack, and the other end is affixed by an installing plate and the wheel frame axle.The present invention uses the allocation plan of fluid-link steering, while chassis is simplified, improves the flexibility of steering;The present invention additionally uses potentiometer, potentiometer is arranged on the axis of lifting gear, any adjustable height corresponds to the unique rotation angle of rotation axis, potentiometer is made to show unique resistance value, each unique corresponding resistance value of height is recorded in controller, and the adjustable height of the lifting gear is limited to realize by setting resistance value.

Description

The scissor aerial work platform of rear-guard front steering
Technical field
The present invention relates to hoistable platform technical fields, and in particular to a kind of scissor-type working at height of rear-guard front steering is put down Platform.
Background technology
Aerial work platform Aerial work platform are to serve every profession and trade working at height, equipment installation, maintenance Etc. mobilitys working at height product.Aerial work platform Related product mainly has:Scissor-type, straight arm type, is cranked arm at gantry type Formula, telescopic, column type, saddle climbing type etc..
Scissor aerial work platform has higher stability, roomy job platform and higher bearing capacity, makes height Idle job range bigger is simultaneously suitble to more people operation simultaneously.It makes working at height more efficient, and safety more ensures.The product collection four Wheel it is mobile with two wheel tractions, platform chassis is done using automobile, tricycle or storage battery chassis, using this car engine or Direct current does power, not only wheeled but also can drive lifting platform, be widely used in the industries such as urban construction, oil field, traffic, municipal administration, plant area Working at height.Such as application No. is 201510438415.1 Chinese invention patent application, disclosing a kind of has high stability Travel the aerial work platform turned to.It includes traveling chassis and lifting gear, and mobile devices include left steering wheel and deflecting roller And leg structure, traveling chassis include vehicle frame plate, supporting leg seat board, supporting leg installing plate, support outer tube, support inner tube and support feet, Lifting gear includes scissor lift structure and workbench, and workbench includes platform and fixes bottom plate, railing frame and handrail door.
Existing scissor aerial work platform is dimensionally larger, it is impossible to be well adapted for a variety of occasions.It if will be existing Some scissor aerial work platforms reduce, then will encounter various problems, and the setting such as turned to, original steering mechanism is due to ruler It is very little bigger than normal complicated, it is difficult to adapt to the scissor aerial work platform of scaled down version.
Invention content
The invention solves above-mentioned technical problem, so as to provide a kind of scissor aerial work platform of rear-guard front steering.
Technical proposal that the invention solves the above-mentioned problems is as follows:
The scissor aerial work platform of rear-guard front steering, including traveling chassis and lifting gear, traveling chassis packet Include chassis body and mobile devices, the mobile devices include left steering wheel, right turn wheel, revolver frame, right wheel frame, linkage rack with And steering cylinder, the left steering wheel, right turn wheel are separately mounted to revolver frame, on right wheel frame, revolver frame, right wheel frame pass through wheel Frame axis is rotatably installed in chassis body;The linkage rack both ends are respectively hinged at revolver frame, on right wheel frame;The linkage rack is also Including a steering cylinder mounting portion, for installing one end of the steering cylinder;The other end of the steering cylinder passes through a peace Loading board and the wheel frame axle are affixed, so as to left steering wheel and right turn wheel be made to turn towards side when the control steering cylinder extends To left steering wheel and right turn wheel being made to be turned to towards opposite side when the steering cylinder is controlled to shrink;The mobile devices also wrap Include left rear wheel and off hind wheel, left rear wheel, off hind wheel left drive motor, the right drive motor by being fixed in chassis body respectively Realize driving;Left steering wheel, right turn wheel respectively by the revolver terminal pad that is fixed on revolver frame, be fixed on right wheel frame Right wheel terminal pad realizes installation.
As a preferred embodiment of the above technical solution, the lifting gear includes scissor type elevating structure and hoistable platform, described Scissor type elevating structure is formed by connecting by a number of scissor unit, and scissor unit one end of bottom is hinged on traveling chassis On, the other end is hinged on sliding block, and the sliding block is slidably matched with the traveling chassis;Lifting inspection control system is further included, it is described It lifts inspection control system and includes potentiometer and controller in the rotation axis of scissor type elevating structure, any lifting is high Degree corresponds to the unique rotation angle of the rotation axis, and potentiometer is made to show unique resistance value, and each height is unique corresponding Resistance value is recorded in controller, and the adjustable height of the lifting gear is limited to realize by setting resistance value.
As a preferred embodiment of the above technical solution, the chassis body further includes pit-hole component, and the pit-hole component includes turning over Plate, claw, lower link, middle connecting rod and compression bar, the compression bar are movably installed in sleeve inner, and upper end is used to accept lifting gear Compressing, lower end are resisted against on the pinch roller for being rotationally connected with described middle connecting rod one end, the middle connecting rod other end and described lower link one end Rotation connection, the lower link other end are flexibly connected with described claw one end, and the claw is used to fix the turnover panel;The middle company It is rotatably connected on substrate by first axle in the middle part of bar, the claw other end is rotatably connected on by the second axis on substrate;Lifting dress When putting decline, the upper end of compression bar is pushed down, power is transmitted to middle connecting rod one end by pinch roller, and by the rotation of middle connecting rod, power is transmitted to The middle connecting rod other end, power pass to lower link, and a part of power is transmitted to claw by lower link, and another part power is applied to gas bar On, recycle gas bar, savings potential energy is in gas bar;Simultaneously as claw is fixed with turnover panel so that turnover panel is packed up;And lifting gear During rising, the compressing of compression bar upper end is released from, the potential energy being stored in gas bar, and gas bar is opened, and passes through the form of power, effect In lower link, on the one hand turnover panel is driven to erect, on the other hand reset compression bar by the transmission of power, be allowed to be suitable for accepting lifting dress The compressing again put;When turnover panel erects, complete machine can be avoided to be absorbed in pit-hole.
As a preferred embodiment of the above technical solution, the chassis body is provided with drawer, the hydraulic oil pump of steering cylinder, control Device and accumulator are arranged in the drawer.
As a preferred embodiment of the above technical solution, the power cord of hydraulic oil pump, controller and accumulator and signal wire are from institute It states after drawer picks out, is installed by the drag chain activity for being arranged on chassis body to bearing.
The invention has the advantages that:
1st, the present invention has simplified steering, has been allowed to cutting suitable for minification by the ingenious setting of steering cylinder The chassis of fork lifter;
2nd, the present invention while chassis is simplified, is also carried using the allocation plan of forerunner's front steering or rear-guard front steering The high flexibility turned to;
3rd, pit-hole component is additionally provided on chassis of the invention, has both avoided complete machine and be absorbed in pit-hole, while improve the machine Travel speed, even if lifting assembly rise after, also being capable of fast running;
4th, drawer is additionally provided on chassis of the invention, hydraulic pump, controller and accumulator are all disposed in it, are occurred Drawer can be extracted out during failure, easy access;
5th, the present invention due to size reduction, simplify by structure, therefore inconvenient by the way that travel switch is set to remove limitation lifting dress The adjustable height put;Therefore present invention employs potentiometric technical solutions, and potentiometer is arranged on the axis of lifting gear, appoint One adjustable height corresponds to the unique rotation angle of rotation axis, and potentiometer is made to show unique resistance value, and each height is unique Corresponding resistance value is recorded in controller, realizes that the adjustable height to the lifting gear carries out by setting resistance value Limiting.
Description of the drawings
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 component of the present invention;
In figure, 1- travelings chassis;2- lifting gears;
11- chassis bodies;12- mobile devices;
21- scissor type elevating structures;22- hoistable platforms;
11-1- turnover panels, 11-2- claws, 11-3- lower links, connecting rod in 11-4-, 11-5- compression bars, 11-6- substrates, 11-7- First axle, the second axis of 11-8-, 11-9- gas bars;
121- left steering wheels, 122- right turn wheels, 123- revolver framves, 124- right wheel framves, 125- linkage racks, 126- steering oils Cylinder, 127- installing plates, the left drive motors of 128-, the right drive motors of 129-, 130- wheel frame axles;1251- steering cylinder mounting portions; 131- revolver terminal pads, 132- right wheel terminal pads;128 '-left drive motor, 129 '-right drive motor.
211- scissor units, 212- sliding blocks, 213- potentiometers.
Specific embodiment
Embodiment one
As shown in Figure 1, a kind of scissor aerial work platform of rear-guard front steering, including traveling chassis 1 and lifting gear 2.It travels chassis and includes chassis body 11 and mobile devices 12.The lifting gear 2 includes scissor type elevating structure 21 and lifting 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 124th, revolver terminal pad 131, right wheel terminal pad 132, linkage rack 125, steering cylinder 126, left rear wheel, off hind wheel, left driving horse Up to 128 ' and right drive motor 129 '.Left rear wheel, the off hind wheel left drive motor by being fixed in chassis body 11 respectively 128 ', right drive motor 129 ' realizes driving;Left steering wheel 121, right turn wheel 122 are respectively by being fixed on revolver frame 123 Revolver terminal pad 131, the right wheel terminal pad 132 that is fixed on right wheel frame 123 realize installation.
Revolver frame 123, right wheel frame 124 are rotatably installed in by wheel frame axle 130 in chassis body 11.
125 both ends of linkage rack are respectively hinged at revolver frame 123, on right wheel frame 124;The linkage rack 125 further includes One steering cylinder mounting portion 1251, for installing one end of the steering cylinder 126;The other end of the steering cylinder 126 leads to It crosses an installing plate 127 and the wheel frame axle 130 is affixed, so as to make left steering wheel 121 when the control steering cylinder 126 extends It is turned to right turn wheel 122 towards side, makes left steering wheel 121 and right turn wheel 122 when the control steering cylinder 126 is shunk It is turned to towards opposite side.
As shown in Figure 1, scissor type elevating structure 21 is formed by connecting by a number of scissor unit 211, the scissor of bottom 211 one end of unit is hinged on traveling chassis 1, and the other end is hinged on sliding block 212, the sliding block 212 and the traveling chassis 1 It is slidably matched;Lifting inspection control system is further included, the lifting inspection control system includes the rotation mounted on scissor type elevating structure 21 Potentiometer 213 and controller on axis, any adjustable height correspond to the unique rotation angle of the rotation axis, make current potential Meter 213 shows unique resistance value, and each unique corresponding resistance value of height is recorded in controller, by setting resistance value The adjustable height of the lifting gear is limited to realize.
As shown in figure 4, chassis body 11 further includes pit-hole component, the pit-hole component include turnover panel 11-1, claw 11-2, Lower link 11-3, middle connecting rod 11-4 and compression bar 11-5, the compression bar 11-5 are movably installed in sleeve inner, and upper end rises for accepting The compressing of falling unit 2, lower end are resisted against on the pinch roller for being rotationally connected with described middle connecting rod 11-4 one end, the middle connecting rod 11-4 other ends It is rotatablely connected with described lower link 11-3 one end, the lower link 11-3 other ends are flexibly connected with described claw 11-2 one end, described Claw 11-2 is used to fix the turnover panel 11-1;Substrate is rotatably connected on by first axle 11-7 in the middle part of the middle connecting rod 11-4 On 11-6, the claw 11-2 other ends are rotatably connected on by the second axis 11-8 on substrate 11-6;When lifting gear 2 declines, push down The upper end of compression bar 11-5, power are transmitted to middle connecting rod 11-4 one end by pinch roller, by the rotation of middle connecting rod 11-4, during power is transmitted to The connecting rod 11-4 other ends, power pass to lower link 11-3, and a part of power is transmitted to claw 11-2 by lower link 11-3, by another part Power is applied on gas bar 11-9, recycles gas bar 11-9, and savings potential energy is in gas bar 11-9;Simultaneously as claw 11-2 is with turnover panel 11-1 is fixed so that turnover panel 11-1 is packed up;And during the rising of lifting gear 2, the compressing of compression bar 11-5 upper ends is released from, and is stored in gas Potential energy in bar 11-9, gas bar 11-9 are opened, and by the form of power, are acted on lower link 11-3, are on the one hand driven turnover panel 11-1 is erected, and on the other hand resets compression bar 11-5 by the transmission of power, is allowed to the pressure again for being suitable for accepting lifting gear 2 Compel;When turnover panel 11-1 is erected, complete machine can be avoided to be absorbed in pit-hole.
As shown in Figure 1, the chassis body 11 is provided with drawer 111, the hydraulic oil pump of steering cylinder 126, controller with And accumulator is arranged in the drawer 111.Hydraulic oil pump, the power cord of controller and accumulator and signal wire are from the pumping After drawer 111 picks out, installed by the drag chain activity for being arranged on chassis body 11 to bearing.

Claims (4)

1. the scissor aerial work platform of rear-guard front steering, including travelling chassis(1)And lifting gear(2), the traveling bottom Disk includes chassis body(11)And mobile devices(12), the mobile devices(12)Including left steering wheel(121), right turn wheel (122), revolver frame(123), right wheel frame(124), linkage rack(125)And steering cylinder(126), the left steering wheel(121)、 Right turn wheel(122)It is separately mounted to revolver frame(123), right wheel frame(124)On, revolver frame(123), right wheel frame(124)Pass through Wheel frame axle(130)It is rotatably installed in chassis body(11)On;It is characterized in that:The linkage rack(125)Both ends are respectively hinged at Revolver frame(123), right wheel frame(124)On;The linkage rack(125)Further include a steering cylinder mounting portion(1251), for pacifying Fill the steering cylinder(126)One end;The steering cylinder(126)The other end pass through an installing plate(127)With the wheel Frame axis(130)It is affixed, so as to when the control steering cylinder(126)Make left steering wheel during elongation(121)With right turn wheel(122) It is turned to towards side, when the control steering cylinder(126)Make left steering wheel during contraction(121)With right turn wheel(122)Towards another Side turns to;The mobile devices(12)Left rear wheel and off hind wheel are further included, left rear wheel, off hind wheel are respectively by being fixed on chassis sheet Body(11)On left drive motor(128’), right drive motor(129’)Realize driving;Left steering wheel(121), right turn wheel (122)Respectively by being fixed on revolver frame(123)On revolver terminal pad(131), be fixed on right wheel frame(123)On right wheel connect Connect disk(132)Realize installation;
The lifting gear(2)Including scissor type elevating structure(21)And hoistable platform(22), the scissor type elevating structure (21)By a number of scissor unit(211)It is formed by connecting, the scissor unit of bottom(211)One end is hinged on traveling chassis (1)On, the other end is hinged on sliding block(212)On, the sliding block(212)With the traveling chassis(1)It is slidably matched;Further include liter Inspection control system drops, and the lifting inspection control system includes being mounted on scissor type elevating structure(21)Rotation axis on potentiometer (213)And controller, any adjustable height correspond to the unique rotation angle of the rotation axis, make potentiometer(213)It is in Reveal unique resistance value, each unique corresponding resistance value of height is recorded in controller, is realized by setting resistance value The adjustable height of the lifting gear is limited.
2. the scissor aerial work platform of rear-guard front steering according to claim 1, it is characterised in that:The chassis sheet Body(11)Pit-hole component is further included, the pit-hole component includes turnover panel(11-1), claw(11-2), lower link(11-3), middle company Bar(11-4)And compression bar(11-5), the compression bar(11-5)Sleeve inner is movably installed in, upper end is used to accept lifting gear(2) Compressing, lower end, which is resisted against, is rotationally connected with the middle connecting rod(11-4)On the pinch roller of one end, middle connecting rod(11-4)The other end with The lower link(11-3)One end is rotatablely connected, lower link(11-3)The other end and the claw(11-2)One end is flexibly connected, The claw(11-2)For fixing the turnover panel(11-1);The middle connecting rod(11-4)Middle part passes through first axle(11-7)Rotation It is connected to substrate(11-6)On, claw(11-2)The other end passes through the second axis(11-8)It is rotatably connected on substrate(11-6)On;It rises Falling unit(2)During decline, compression bar is pushed down(11-5)Upper end, power is transmitted to middle connecting rod by pinch roller(11-4)One end, in Connecting rod(11-4)Rotation, power is transmitted to middle connecting rod(11-4)The other end, power pass to lower link(11-3), lower link(11-3) A part of power is transmitted to claw(11-2), another part power is applied to gas bar(11-9)On, make gas bar(11-9)Recycling, savings Potential energy is in gas bar(11-9);Simultaneously as claw(11-2)With turnover panel(11-1)It is fixed so that turnover panel(11-1)It packs up;And it rises Falling unit(2)During rising, compression bar(11-5)The compressing of upper end is released from, and is stored in gas bar(11-9)In potential energy, gas bar (11-9)It opens, by the form of power, acts on lower link(11-3), on the one hand drive turnover panel(11-1)It erects, on the other hand Compression bar is made by the transmission of power(11-5)It resets, is allowed to be suitable for accepting lifting gear(2)Compressing again;Turnover panel(11-1)It is vertical When rising, complete machine can be avoided to be absorbed in pit-hole.
3. the scissor aerial work platform of rear-guard front steering according to claim 1, it is characterised in that:The chassis sheet Body(11)It is provided with drawer(111), steering cylinder(126)Hydraulic oil pump, controller and accumulator be arranged on the drawer (111)In.
4. the scissor aerial work platform of rear-guard front steering according to claim 3, it is characterised in that:Hydraulic oil pump, The power cord and signal wire of controller and accumulator are from the drawer(111)After picking out, by being arranged on chassis body(11) Drag chain activity install to bearing.
CN201610448955.2A 2016-06-21 2016-06-21 The scissor aerial work platform of rear-guard front steering Active CN105858563B (en)

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CN201610448955.2A CN105858563B (en) 2016-06-21 2016-06-21 The scissor aerial work platform of rear-guard front steering

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CN201610448955.2A CN105858563B (en) 2016-06-21 2016-06-21 The scissor aerial work platform of rear-guard front steering

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CN105858563B true CN105858563B (en) 2018-07-03

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
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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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2378165B (en) * 1999-07-14 2003-05-07 Lansing Linde Ltd Steering device for a vehicle
CN101143693B (en) * 2007-09-14 2011-04-13 许树根 High-altitude operation platform with steering device
CN103359667A (en) * 2013-07-25 2013-10-23 浙江鼎力机械股份有限公司 Steering mechanism for aerial work platform
CN104773106A (en) * 2015-03-31 2015-07-15 浙江鼎力机械股份有限公司 Traveling chassis with high-stability traveling steering function
CN205011335U (en) * 2015-07-15 2016-02-03 徐玉仙 Work platform is weighed down in high air defence
CN105174138A (en) * 2015-11-03 2015-12-23 浙江鼎力机械股份有限公司 Chassis structure

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