CN101559592A

CN101559592A - Air-powered elevated working platform

Info

Publication number: CN101559592A
Application number: CNA2009100277403A
Authority: CN
Inventors: 谢翠斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-05-19
Filing date: 2009-05-19
Publication date: 2009-10-21

Abstract

The invention relates to an air-powered elevated working platform, comprising a tool shelf, a chassis, a drop pipe and an upright post; the upper end face of the tool shelf is connected with the drop pipe, the drop pipe is sheathed in the upright post and can move up and down the upright post; the upright post is vertically connected with the chassis, universal wheels are arranged on the lower end of the chassis, a gas spring is arranged inside the upright post and the drop pipe, the head end of the gas spring is fixed into the upright post, the tail end of the gas spring is fixed into the drop pipe, a switch is arranged at the head end of the gas spring, a control mechanism is positioned on the switch and a control button of the control mechanism is positioned on the chassis. The invention features compact structure and rational design; the gas spring can be open and closed when the operator steps upon the control button, thus raising or putting down the working platform to a desired height, and then loosening the control button to fix the tool shelf which can also be loaded and the operation is simple and convenient; a T-shaped bolt is tied in with the outer wall of the upright post to compress the drop pipe therein, thus preventing the unexpected rise and drop of the gas spring from hurting the operator which provides double insurance with good effect and safe utilization.

Description

Air-powered elevated working platform

Technical field

The present invention relates to a kind of self-powered platform, a kind of specifically air-powered elevated working platform.

Background technology

In flight-line maintenance, when particularly servicing a car, the height of table of place tool needs to regulate at any time to satisfy maintenance requirements, and the workbench of traditional lifting can only transfer to suitable height by manual with workbench under the situation of zero load, use comparatively inconvenience.The workbench of the existing automatic lifting of using, as the patent No. is 200320110230.0 disclosed a kind of pneumatic type self-powered platforms, the lifting of tool shelf is to regulate the air pump lowering or hoisting gear by the handle of air pump upper end to realize, its weak point is: air pump is controlled by the handle of air pump upper end separately, and handle is arranged at the below of tool shelf, regulating handle operation inconvenience, the workbench that the descends staff that easily injures, in a single day air pump breaks down, no safety locking motion, security performance is low, changes, keeps in repair trouble, uses comparatively inconvenience.

Summary of the invention

In order to overcome in the prior art operation inconvenience, security performance is low, maintenance, change inconvenient, drawback such as security performance is low, the invention provides a kind of simple in structure, simple to operate, vi have high safety, the air-powered elevated working platform that maintains easily.

In order to achieve the above object, the technical solution used in the present invention is as follows: a kind of pneumatic workbench that falls, comprise tool shelf, underframe, fall way, column, the tool shelf lower surface connects fall way, but be placed in the column to the fall way oscilaltion, column is vertically connected on the underframe, the underframe lower end is provided with universal wheel, it is characterized in that being provided with in described column and the fall way air spring, described air spring head is fixed in the column, and the air spring afterbody is fixed in the fall way, the air spring head is provided with a switch, conflict in switch and lever middle part, lever one end is hingedly fixed in the column, the other end connects a control button through cable, and control button is arranged on the underframe.Control button handled easily personnel on the underframe directly step on control, when stepping on control button, control button pulling cable, lever one end rotates through the pin joint that cable drives around the lever other end and column, thereby jack-up is conflicted at the air spring switch at lever middle part and is made air spring be in open mode, tool shelf can with the hands slowly mention or press, rise or drop to specified altitude assignment after unclamp control button, cable, lever resets, conflict makes air spring be in closed condition at the air spring switch closure at lever middle part, the tool shelf fixed-site can be placed load and be used, simple and compact for structure, easy to use, simple to operate, solved traditional regulating handle inconvenient operation, the easy rapid drawdown of the workbench problems such as operating personnel of injuring; When breaking down, dismounting tool shelf, fall way down can keep in repair, change air spring, and convenient and swift, use cost is low.

Further, described air spring is a rigid locking air spring, and the rigid locking air spring is inserted in the cylinder by a piston rod to be formed, and piston rod head is provided with switch, and cylinder is connected in the tool shelf bottom surface through the afterbody joint.Rigidity locking air spring plays the effect of supporting tool dish, and when switch and the load-bearing of air spring closure tool dish, tool shelf is reliable and stable behind the air spring rigid locking, the security performance height.

Again further, described column external wall of upper portion is welded with nut, and a T-shape screw passes nut and compresses fall way, can prevent that the air spring inefficacy from causing workbench to descend or rising, stops potential safety hazard, uses more insurance, and safety coefficient is higher.

The present invention need only operating personnel step on control button, the keying of control rigid locking air spring, thereby mention or can on tool shelf, place load by unclamping control button behind the lower table, compact overall structure, easy to operate, tool shelf is fixed, cooperate fall way in the T-shape screw in compression column, can prevent the unexpected operating personnel that injure that rise or descend of air spring, double insurance is effective, the safety coefficient height.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a perspective view of the present invention;

Fig. 3 is the structural representation of controlling organization of the present invention.

Among the figure: tool shelf 1, underframe 2, universal wheel 3, fall way 4, column 5, air spring 6, cylinder 61 is crossed stopper rod 62, afterbody joint 7, switch 8, lever 9, cable 10, control button 11, nut 12, T-shape screw 13.

The specific embodiment

The invention will be further described below in conjunction with drawings and Examples.

Air-powered elevated working platform shown in Fig. 1,2,3 comprises tool shelf 1, underframe 2, fall way 4, column 5, air spring 6.Tool shelf 1 lower surface vertically connects fall way 4, and fall way 4 is placed in the column 5 and can slides up and down lifting, and column 5 is vertically installed on the underframe 2, and underframe 2 is provided with a control button 11, and underframe 2 lower ends are provided with many universal wheels 9; Be provided with air spring 6 in fall way 4 and the column 5, air spring 6 adopts the rigid locking air spring, and the cylinder 61 of air spring 6 is connected in tool shelf 1 bottom surface through afterbody joint 7, and piston rod 62 heads of air spring 6 are provided with a switch 8; Column 5 inner bottom parts are provided with a lever 9, and lever 9 one ends are articulated in the column 5, and switch 8 is conflicted with the middle part of lever 9, and lever 9 other ends connect a cable 10, and cable 10 is connected in control button 11.

When needing rising tool shelf 1, at first unclamp " T " type screw 13, step on the control button 11 on the underframe 2, the switch 8 that control button 11 drives on the piston rod 62 that cables 10 pull lever 9 make air spring 6 is opened, this moment, air spring 6 was in open mode, operating personnel can with the hands mention tool shelf 1 and rise to specified altitude assignment, unclamp control button 11, air spring 6 switches 8 closures, the T-shape screw 13 of tightening column 5 outer walls again compresses fall way 4, tool shelf 1 is fixed, can be on tool shelf 1 additional load.

When needing decline tool shelf 1, at first unclamp " T " type screw 13, step on the control button 11 on the underframe 2, with the hands press tool shelf 1 and drop to specified altitude assignment, unclamp control button 11 and make cable 10 put down lever 9, switch 8 closures on air spring 6 piston rods 62, air spring 6 is in closed condition, the T-shape screw 13 of tightening column 5 outer walls again compresses fall way 4, and tool shelf 1 is fixed, can be on tool shelf 1 additional load.

Unclamp at control button 11, " T " type screw 13 compresses under the situation of fall way, tool shelf 1 is through rigidity lock top air spring 6 supporting ﹠ stablizings, even if on tool shelf 2 additional 10 times of load, tool shelf 1 also can not rise or descend, security performance height, no potential safety hazard.

Claims

1, a kind of air-powered elevated working platform, comprise tool shelf (1), underframe (2), fall way (4), column (5), tool shelf (1) lower surface connects fall way (5), fall way (4) but oscilaltion be placed in the column (5), column (5) is vertically connected on the underframe (2), underframe (2) lower end is provided with universal wheel (3), it is characterized in that: be provided with an air spring (6) in described column (5) and the fall way (4), described air spring (6) head is fixed in the column (5), air spring (6) afterbody is fixed in the fall way (4), air spring (6) head is provided with a switch (8), switch (8) is provided with controlling organization, and the control button of controlling organization (11) is arranged on the underframe (2).

2, air-powered elevated working platform according to claim 1, it is characterized in that: described air spring (6) is a rigid locking air spring, the rigid locking air spring is inserted in the cylinder (61) by a piston rod (62) to be formed, piston rod (62) head is provided with switch (8), and cylinder (61) is connected in tool shelf (1) bottom surface through afterbody joint (7).

3, air-powered elevated working platform according to claim 1 and 2, it is characterized in that: described controlling organization is that an end is hingedly fixed in the column (5), the other end connects the lever (9) of control button (11) through cable (10), and the switch of described air spring head (8) contacts at lever (9) middle part.

4, air-powered elevated working platform according to claim 1 is characterized in that: described column (5) external wall of upper portion is welded with nut (12), and a T-shape screw (13) passes nut (12) and compresses fall way (4).