CN111039239A

CN111039239A - Dual-purpose automatic crank arm type aerial work platform for highway and railway

Info

Publication number: CN111039239A
Application number: CN202010059682.9A
Authority: CN
Inventors: 朱浩; 张学义; 薛守政; 李雷超; 徐小明
Original assignee: Henan Jianghe Special Vehicle Technology Co Ltd
Current assignee: Henan Jianghe Special Vehicle Technology Co Ltd
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-04-21

Abstract

A highway and railway dual-purpose self-propelled crank arm type aerial work platform comprises a frame, a rotary table, a telescopic arm frame, a power system and a work platform, wherein a rotary support is fixed at the top end of the frame, the rotary table is fixed at the upper end of the rotary support, the bottom end of the telescopic arm frame is fixed at the top end of the rotary table, be equipped with two axles that the symmetry set up on the frame, the both ends of frame are equipped with rail running gear respectively, rail running gear includes fixed suspension, the other end of fixed suspension is equipped with the back shaft that the level set up, the back shaft is fixed with the outer end of two fixed suspensions respectively, the both ends of back shaft are rotated respectively and are connected with the steel wheel, the one end and the frame of hydro-cylinder mount are fixed, the other end slant of hydro-cylinder mount upwards extends to the top of frame, hydraulic cylinder's stiff end is articulated with the hydro-cylinder mount, when hydraulic cylinder's piston rod stretches out, and the lower of steel wheel is less than the lower. The invention has simple structure and convenient operation, and can meet the construction requirements of different places of highways and railways.

Description

Dual-purpose automatic crank arm type aerial work platform for highway and railway

Technical Field

The invention belongs to the technical field of mechanical design of crank arm type aerial work platforms, and particularly relates to a highway-railway dual-purpose self-propelled crank arm type aerial work platform.

Background

The aerial work platform is a movable aerial work product for serving aerial work, equipment installation and maintenance, fire rescue and the like in various industries. For example, the conventional aerial work platform related products mainly include: a scissor type aerial work platform, a vehicle-mounted aerial work platform, a crank arm type aerial work platform, a self-propelled aerial work platform, an aluminum alloy aerial work platform and a telescopic cylinder type aerial work platform. The crank arm type overhead working truck is lifting equipment for overhead working, can cross obstacles to carry out overhead working, can work while walking when a platform is lifted to any position, has compact structure and flexible steering, and can ensure that the equipment enters a narrow passage and a crowded working area due to the width of a ground plate. The crank arm overhead working truck is widely applied to installation, maintenance and climbing operation in the industries of municipal administration, electric power, street lamps, advertisements, communication, photography, gardens, traffic, wharfs, airports, ports, large-scale industrial and mining enterprises and the like. The engineering mechanical equipment is suitable for various rugged terrains in the field, has a wide space operation range, and is mainly used for construction, bridge construction, ship manufacturing, construction of airports, mines, ports and docks, communication and power facilities and outdoor advertising.

The existing crank arm type aerial work platform is either suitable for flat ground or can be suitable for a specific track, and cannot be simultaneously adapted to work on the ground and the track, so that great trouble is brought to construction of constructors on the construction site, two different crank arm type aerial work platforms need to be dispatched to the construction site, one crank arm type aerial work platform can be constructed on the track, and the other crank arm type aerial work platform works on the ground. This increases the cost of purchasing mechanical equipment and increases the working strength of workers.

Disclosure of Invention

The invention provides a highway-railway dual-purpose self-actuated crank arm type aerial work platform for solving the defects in the prior art, which can simultaneously meet the requirement of construction work on flat ground and railway tracks.

The invention provides a road and railway dual-purpose self-actuated crank arm type aerial work platform, aiming at solving the problem that the crank arm type aerial work platform can not be simultaneously suitable for road and railway construction work, and the road and railway dual-purpose self-actuated crank arm type aerial work platform comprises a frame, a rotary table, a telescopic arm frame, a power system and a work platform, wherein the top end of the frame is fixedly provided with a rotary support, the upper end of the rotary support is fixedly provided with the rotary table, and the power system is arranged in the rotary table. The top end of the rotary table is respectively fixed with an upper connecting frame and a lower connecting frame, and the telescopic arm support is fixed on the rotary table through the upper connecting frame and the lower connecting frame. The bottom end of the telescopic arm support is fixed to the top end of the rotary table, a working platform is arranged at the top end of the telescopic arm support, the telescopic arm support can support the working platform, and the telescopic arm support can be bent and folded per se to convey the working platform to a proper construction position. The guardrail is fixed with in work platform's upper end, and the guardrail can play the guard action to the staff of construction, avoids the staff to fall from work platform is sufficient. The upper end of guardrail is equipped with the instrument storage rack that is used for depositing the instrument, and constructor can place the toolbox that carries on the instrument storage rack, makes things convenient for constructor to trade the used instrument of construction. The vehicle frame is provided with two axles which are symmetrically arranged, the two axles are respectively matched with a power system, the end parts of the axles are respectively and rotatably connected with wheels, and the power system provides walking power for the wheels. The two ends of the frame are respectively provided with a track travelling mechanism, the track travelling mechanism comprises two fixed suspensions which are symmetrically arranged, one ends of the two fixed suspensions are respectively hinged to the two ends of the frame, the other ends of the fixed suspensions are provided with supporting shafts which are horizontally arranged, the supporting shafts are respectively fixed to the outer ends of the two fixed suspensions, the two ends of each supporting shaft are respectively and rotatably connected with steel wheels matched with the tracks, and the outer ends of the steel wheels are fixedly connected with friction rollers through flange plates. The middle parts at the two ends of the frame are fixedly provided with oil cylinder fixing frames, one ends of the oil cylinder fixing frames are fixed with the frame, the other ends of the oil cylinder fixing frames extend upwards to the upper part of the frame in an inclined mode, oil cylinder hinging seats are fixed in the middle of the supporting shaft, a hydraulic oil cylinder is arranged between the oil cylinder fixing frames and the supporting shaft, the fixed end of the hydraulic oil cylinder is hinged to the upper end of the oil cylinder fixing frame, and the free end of the hydraulic oil cylinder is hinged to. When a piston rod of the hydraulic oil cylinder extends out, the friction roller is matched with the wheel, namely the friction roller is tightly contacted and pressed with the wheel, the steel wheel is in rolling fit with the rail corresponding to a railway, and the lowest part of the steel wheel is lower than the lowest part of the wheel.

Preferably, the telescopic arm support is matched with a power system, and the power system provides power for extension and retraction of the telescopic arm support.

Preferably, the highway-railway dual-purpose arm type aerial working platform further comprises a control system, and the power system, the hydraulic oil cylinder, the rotary table and the telescopic arm support are all connected with the control system.

By adopting the technical scheme, the invention has the following advantages:

the invention can be used on a road and a railway; the friction roller fixed at the outer end of the steel wheel can provide walking power for the steel wheel under the driving of the friction force of the wheel when being in contact with the wheel; the hydraulic oil cylinder is arranged to push the supporting shaft to rotate along with the fixed suspension frame towards the wheel, and finally the friction roller is tightly matched with the wheel; the arrangement of the steel wheels enables the frame to walk on the rail of the railway; the setting of guardrail has protected the staff, has avoided the danger that the staff is out of order and drops.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic structural view of the vehicle frame;

FIG. 5 is a front view of the frame;

FIG. 6 is a schematic top view of the frame;

fig. 7 is an enlarged view of a portion a in fig. 4.

Reference numerals: 1. a frame; 2. a turntable; 3. a telescopic arm support; 4. a working platform; 5. a rotary support; 6. an axle; 7. a rail traveling mechanism; 21. an upper connecting frame; 22. a lower connecting frame; 41. a guardrail; 42. a tool storage rack; 61. a wheel; 71. a fixed suspension; 72. a support shaft; 73. a steel wheel; 74. a friction roller; 75. a cylinder fixing frame; 76. a hinged seat; 77. a hydraulic cylinder.

Detailed Description

As shown in fig. 1-7, a public-railway dual-purpose self-propelled crank arm type aerial work platform comprises a frame 1, a rotary table 2, a telescopic arm frame 3, a power system and a work platform 4, wherein a rotary support 5 is fixed at the top end of the frame 1, the rotary table 2 is fixed at the upper end of the rotary support 5, and the power system is installed in the rotary table 2. An upper connecting frame 21 and a lower connecting frame 22 are respectively fixed at the top end of the rotary table 2, and the telescopic arm support 3 is fixed on the rotary table 2 through the upper connecting frame 21 and the lower connecting frame 22. The bottom end of the telescopic arm support 3 is fixed at the top end of the rotary table 2, a working platform 4 is arranged at the top end of the telescopic arm support 3, the telescopic arm support 3 can support the working platform 4, and the telescopic arm support 3 can be bent and folded per se to convey the working platform 4 to a proper construction position. The telescopic arm support 3 is matched with a power system, and the power system provides power for the extension and the bending of the telescopic arm support 3. The upper end of work platform 4 is fixed with guardrail 41, and guardrail 41 can play the guard action to the staff of construction, avoids the staff to fall from work platform 4. The upper end of guardrail 41 is equipped with the instrument storage rack 42 that is used for depositing the instrument, and constructor can place the toolbox that carries on instrument storage rack 42, makes things convenient for constructor to trade the used instrument of construction. The bicycle frame is characterized in that two axles 6 which are symmetrically arranged are arranged on the bicycle frame 1, the two axles 6 are respectively matched with a power system, the end parts of the axles 6 are respectively and rotatably connected with wheels 61, and the power system provides walking power for the wheels 61. The two ends of the frame 1 are respectively provided with a track travelling mechanism 7, the track travelling mechanism 7 comprises two fixed suspensions 71 which are symmetrically arranged, one ends of the two fixed suspensions 71 are respectively hinged to the two ends of the frame 1, the other ends of the fixed suspensions 71 are provided with supporting shafts 72 which are horizontally arranged, the supporting shafts 72 are respectively fixed with the outer ends of the two fixed suspensions 71, the two ends of the supporting shafts 72 are respectively and rotatably connected with steel wheels 73 which are matched with a track, and the outer ends of the steel wheels 73 are fixedly connected with friction rollers 74 through flange plates. The middle parts of the two ends of the frame 1 are fixedly provided with oil cylinder fixing frames 75, one ends of the oil cylinder fixing frames 75 are fixed with the frame 1, the other ends of the oil cylinder fixing frames 75 extend upwards to the upper part of the frame 1 in an inclined mode, the middle part of the supporting shaft 72 is fixedly provided with an oil cylinder hinging seat 76, a hydraulic oil cylinder 77 is arranged between the oil cylinder fixing frames 75 and the supporting shaft 72, the fixed end of the hydraulic oil cylinder 77 is hinged to the upper end of the oil cylinder fixing frame 75, and the free end of the hydraulic oil cylinder 77 is hinged to. When the piston rod of the hydraulic oil cylinder 77 extends, the friction roller 74 is matched with the wheel 61, namely, the friction roller 74 is tightly contacted with the wheel 61. The steel wheel 73 is roll fitted to the rail of the corresponding railway, and the lowest part of the steel wheel 73 is lower than the lowest part of the wheel 61 at this time. The highway-railway dual-purpose arm type aerial working platform further comprises a control system, and the power system, the hydraulic oil cylinder 77, the rotary table 2 and the telescopic arm support 3 are all connected with the control system. The frame 1, the turntable 2, the telescopic boom 3, the working platform 4, the slewing support 5 and the axle 6 are all the prior art and are not described herein.

The use process comprises the following steps:

when using on the highway, driving system provides power for axle 6, and the walking wheel 61 can walk on the highway, and the walking wheel 61 drives frame 1 and moves the construction department, starts flexible cantilever crane 3 through control system, and flexible cantilever crane 3 extends, and flexible cantilever crane 3 jack-up work platform 4 that makes progress simultaneously, and the staff stands in work platform 4, moves the construction department along with work platform 4, and the staff places the toolbox in instrument storage rack 42, can make things convenient for the staff to get and put the instrument. After the work is finished, the control system starts the telescopic arm support 3, the telescopic arm support 3 is zoomed and restored to the original position, and the telescopic arm support 3 drives the working platform to fall back to the ground.

When the trolley is used on a railway, firstly, a power system is started, the trolley frame 1 is moved to the position above a rail of the railway, after the position is adjusted, the two hydraulic oil cylinders 77 are started simultaneously through the controller, the free ends of the hydraulic oil cylinders 77 extend, the free ends of the hydraulic oil cylinders 77 push the support shafts 72 to rotate, the support shafts 72 rotate around the hinged parts of the fixed suspension 71 and the trolley frame 1 until the steel wheels 74 contact with the rail and jack up the trolley frame 1, and the wheels 61 leave the bottom surface. Meanwhile, the friction roller 74 and the wheel 61 are respectively contacted and pressed tightly (as shown in fig. 4), and the wheel 61 rotates to drive the friction roller 74 to rotate reversely, so that when the frame 1 needs to move forward on the track, the wheel 61 needs to be started to rotate reversely, and similarly, when the frame 1 needs to move backward on the track, the wheel 61 needs to be started to rotate forwardly.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a dual-purpose automatic crank arm formula aerial working platform of highway railway, includes frame, revolving stage, flexible cantilever crane, driving system and work platform, and the top of frame is fixed with the rotation support, and the upper end of rotation support is fixed with the revolving stage, and driving system installs in the revolving stage, and the bottom mounting of flexible cantilever crane is on the top of revolving stage, the top of flexible cantilever crane is equipped with work platform, be equipped with two axles that the symmetry set up on the frame, the tip of axle rotates respectively and is connected with wheel, its characterized in that: the rail running mechanism comprises two fixed suspensions which are symmetrically arranged, one ends of the two fixed suspensions are respectively hinged to two ends of the frame, the other ends of the fixed suspensions are provided with support shafts which are horizontally arranged, the support shafts are respectively fixed to the outer ends of the two fixed suspensions, two ends of each support shaft are respectively and rotatably connected with steel wheels which are matched with the rails, and the outer ends of the steel wheels are fixedly connected with friction rollers through flange plates; the middle part at frame both ends is fixed with the hydro-cylinder mount, the one end and the frame of hydro-cylinder mount are fixed, the other end of hydro-cylinder mount upwards extends to the top of frame to one side, the middle part of back shaft is fixed with the articulated seat of hydro-cylinder, be equipped with hydraulic cylinder between hydro-cylinder mount and the back shaft, hydraulic cylinder's stiff end is articulated with the upper end of hydro-cylinder mount, hydraulic cylinder's free end and the articulated seat of the epaxial hydro-cylinder of back are articulated, when hydraulic cylinder's piston rod stretches out, friction cylinder and wheel cooperation, and the lower of steel wheel is.

2. The dual-purpose self-propelled crank arm type aerial work platform of claim 1, wherein: the top end of the rotary table is respectively fixed with an upper connecting frame and a lower connecting frame, and the telescopic arm support is fixed on the rotary table through the upper connecting frame and the lower connecting frame.

3. The highway and railway self-propelled crank arm type aerial work platform of claim 2, wherein: the upper end of the working platform is fixed with a guardrail, and the upper end of the guardrail is provided with a tool storage rack for storing tools.

4. The dual-purpose self-propelled crank arm type aerial work platform of claim 3, wherein: the two axles are respectively matched with a power system, and the power system provides walking power for the wheels.

5. The dual-purpose self-propelled crank arm type aerial work platform of claim 4, wherein: the telescopic arm support is matched with a power system, and the power system provides power for the extension and the bending of the telescopic arm support.

6. The dual-purpose self-propelled crank arm type aerial work platform of claim 5, wherein: the power system, the hydraulic oil cylinder, the rotary table and the telescopic arm frame are all connected with the control system.