CN211974251U - A telescopic protective railing of an aerial work platform - Google Patents

Abstract

The utility model discloses a telescopic protective railing of an aerial work platform, comprising a bottom plate, a lifting mechanism is fixedly arranged on the upper end of the bottom plate, a working table is arranged on the upper end of the lifting mechanism, and a plurality of telescopic rods are uniformly fixed on the upper end of the working table The upper ends of several telescopic rods are fixedly provided with guardrails, the lower ends of the guardrails are fixedly provided with chute, the inner side of the chute is movably engaged with a slider, and the inner middle of the chute is movably provided with a first A screw, the inside of the slider is movably sleeved on the outer surface of the first screw through a thread, a connection block is fixedly arranged at the lower end of the slider, and a fixing block is fixedly arranged on the side of the upper end surface of the worktable away from the connection block. A transmission rod is movably arranged between the connection block and the fixed block through a pin shaft. The utility model has good use effect, and its protective guardrail can be adjusted in height according to needs, so that it can adapt to staff of different heights.

Description

A telescopic protective railing of an aerial work platform

technical field

The utility model relates to the technical field of aerial work platforms, in particular to a telescopic protective railing of an aerial work platform.

Background technique

The aerial work platform is a product that serves the mobile aerial work such as aerial work, equipment installation, and maintenance in various industries.

Aerial work platform related products mainly include: scissor type aerial work platform, trailer type aerial work platform, articulated arm type aerial work platform, straight arm type aerial work platform, aluminum alloy aerial work platform, cylinder type aerial work platform, spider type aerial work platform Seven categories of aerial work platforms.

However, the height of the guardrail at the upper end of the working platform of the currently used aerial work platform is fixed. When encountering tall workers, the guardrail may not have a good protective effect, and when encountering shorter workers Guardrails may interfere with the work of staff.

Utility model content

The purpose of the present utility model is to provide a telescopic protective railing of an aerial work platform to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a telescopic protective railing of an aerial work platform, comprising a bottom plate, an upper end of the bottom plate is fixedly provided with a lifting mechanism, the upper end of the lifting mechanism is provided with a workbench, and the workbench A plurality of telescopic rods are evenly fixed at the upper end, guardrails are fixedly arranged at the upper ends of the telescopic rods, and a chute is fixedly arranged at the lower end of the guardrail. A first screw rod is movably arranged in the middle part through a bearing, the inside of the slider is movably sleeved on the outer surface of the first screw rod through a thread, a connection block is fixedly arranged at the lower end of the slider, and the upper end surface of the worktable is away from the side of the connection block A fixed block is fixedly arranged, a transmission rod is movably arranged between the connection block and the fixed block through a pin shaft, and a linkage mechanism is fixedly arranged at one end of the first screw rod.

Preferably, the linkage mechanism includes a pulley and a belt, one end of the first screw is fixedly provided with a pulley, and a belt is sleeved between the pulleys. The pulley and the belt can drive the other side when the first screw on one side rotates. The first screw rotates, so that it can play the role of synchronous lifting.

Preferably, a handle is fixedly arranged on the side of the pulley away from the first screw rod, and the first screw rod can be easily rotated through the handle.

Preferably, all four corners of the bottom surface of the bottom plate are movably provided with universal wheels, through which the device can be moved conveniently.

Preferably, extension blocks are fixed around the outer surface of the bottom plate, a second screw rod is movably provided inside the extension block through threads, and a support block is fixed and movably provided at the lower end of the second screw rod through a bearing, and the second screw rod and The support block can provide stable support force for the device when the device is in use.

Compared with the prior art, the beneficial effects of the present utility model are:

1. When the utility model is adjusted, the first screw can be rotated by the handle, and then the first screw can drive the slider to slide inside the chute, so that the slider moves to the left, and the transmission rod can make the slider move to the left. The extension of the telescopic rod drives the guardrail to rise upward, so that the height of the guardrail can be adapted to the staff of different heights, and it is also convenient for the staff to perform high-altitude operations while ensuring safety.

2. When the first screw on one side of the utility model rotates, the first screw on the other side can also be driven to rotate through the linkage of the pulley and the belt, so that the guardrail of the device can play the role of synchronous lifting and is more convenient to use.

Description of drawings

1 is a schematic diagram of the overall structure of a telescopic protective railing of an aerial work platform of the present invention;

2 is an overall structural view of a telescopic protective railing linkage mechanism of an aerial work platform of the present invention;

FIG. 3 is an enlarged view of the telescopic protective railing of an aerial work platform of the present invention at A in FIG. 1 .

In the figure: 1. Bottom plate; 2. Lifting mechanism; 3. Workbench; 4. Telescopic rod; 5. Guardrail; 6. Chute; 7. Slider; 8. First screw; 9. Connecting block; 10. Fixing block; 11, transmission rod; 12, pulley; 13, belt; 14, handle; 15, universal wheel; 16, extension block; 17, second screw; 18, support block.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, the present utility model provides a technical solution: a telescopic protective railing of an aerial work platform, comprising a bottom plate 1, a lifting mechanism 2 is fixedly arranged on the upper end of the bottom plate 1, and a lifting mechanism 2 is arranged on the upper end of the lifting mechanism 2 Workbench 3, a plurality of telescopic rods 4 are evenly fixed at the upper end of the workbench 3, guardrails 5 are fixedly arranged at the upper ends of the telescopic rods 4, and a chute 6 is fixedly arranged at the lower end of the guardrail 5. A sliding block 7 is movably arranged on one side, and a first screw 8 is movably arranged in the middle part of the inner side of the chute 6 through a bearing. A connecting block 9 is fixedly arranged at the lower end of the block 7, a fixing block 10 is fixedly arranged on the side of the upper surface of the worktable 3 away from the connecting block 9, and a transmission rod is movably provided between the connecting block 9 and the fixing block 10 through a pin shaft 11. One end of the first screw 8 is fixedly provided with a linkage mechanism.

The linkage mechanism includes a pulley 12 and a belt 13. One end of the first screw 8 is fixedly provided with a pulley 12, and a belt 13 is sleeved between the pulleys 12. Through the pulley 12 and the belt 13, the first screw 8 can be located on one side. When rotating, it drives the first screw 8 on the other side to rotate, so that it can play the role of synchronous lifting. A handle 14 is fixed on the side of the pulley 12 away from the first screw 8, and the first screw 8 can be easily rotated through the handle 14. All four corners of the lower surface of the bottom plate 1 are movably provided with universal wheels 15, through which the device can be moved conveniently. Extension blocks 16 are fixed around the outer surface of the bottom plate 1, and the extension blocks 16 pass through the inside. A second screw 17 is movably provided on the thread. The lower end of the second screw 17 is fixed and movably provided with a support block 18 through a bearing. The second screw 17 and the support block 18 can provide a stable support force for the device when the device is in use.

Working principle: When using the device, the device can be moved to the target area through the universal wheel 15, and then the staff can enter the workbench 3 when the workbench 3 is not raised, and then lift the workbench 3 through the lifting mechanism 2 so as to The worker performs high-altitude work, and when the worker is on the upper end of the workbench 3, the guardrail 5 can play a protective effect, and the height of the guardrail 5 can be adjusted. When adjusting, the first screw 8 can be rotated by the handle 14, and then the first screw can be adjusted. 8. Drive the sliding block 7 to slide inside the chute 6, so that the sliding block 7 moves to the left. When the sliding block 7 moves to the left, the telescopic rod 4 can be extended through the transmission rod 11 to drive the guardrail 5 to rise up. The height of the guardrail 5 can be made suitable for workers of different heights, and it can also facilitate the workers to perform high-altitude operations while ensuring safety, and the first screw 8 on one side can drive the other side through the linkage of the pulley 12 and the belt 13 when rotating. The first screw 8 also rotates, so that the guardrail 5 of the device can play the role of synchronous lifting and lowering, which is more convenient to use. This is the working principle of the telescopic guardrail of the aerial work platform of the present invention.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. A telescopic protective railing of an aerial work platform, comprising a bottom plate (1), characterized in that: an upper end of the bottom plate (1) is fixedly provided with a lifting mechanism (2), and the upper end of the lifting mechanism (2) is provided with a workbench (3), a plurality of telescopic rods (4) are evenly fixed at the upper end of the workbench (3), a guardrail (5) is fixedly arranged at the upper end of the plurality of telescopic rods (4), and a guardrail (5) is fixedly arranged at the lower end of the guardrail (5). A chute (6), a sliding block (7) is movably provided on one side of the inner side of the chute (6), and a first screw (8) is movably provided in the middle of the inner side of the chute (6) through a bearing. The inside of the slider (7) is movably sleeved on the outer surface of the first screw (8) through threads, the lower end of the slider (7) is fixedly provided with a connecting block (9), and the upper surface of the worktable (3) is far away from the connecting block A fixing block (10) is fixedly arranged on one side of (9), a transmission rod (11) is movably arranged between the connecting block (9) and the fixing block (10) through a pin shaft, and the first screw rod (8) One end is fixedly provided with a linkage mechanism. 2. The telescopic protective railing of an aerial work platform according to claim 1, wherein the linkage mechanism comprises a pulley (12) and a belt (13), and one end of the first screw (8) is fixedly provided with a A pulley (12), a belt (13) is sleeved between the pulleys (12). 3 . The telescopic protective railing of an aerial work platform according to claim 2 , wherein a handle ( 14 ) is fixedly arranged on the side of the pulley ( 12 ) away from the first screw rod ( 8 ). 4 . 4 . The telescopic protective railing of an aerial work platform according to claim 1 , wherein the four corners of the lower end surface of the bottom plate ( 1 ) are movably provided with universal wheels ( 15 ). 5 . 5 . The telescopic protective railing of an aerial work platform according to claim 1 , wherein extension blocks ( 16 ) are fixedly arranged around the outer surface of the bottom plate ( 1 ), and inside the extension block ( 16 ) A second screw (17) is movably arranged through the thread, and a support block (18) is fixed and movably arranged at the lower end of the second screw (17) through a bearing.

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