CN211419515U

CN211419515U - Novel overspeed anti-falling device

Info

Publication number: CN211419515U
Application number: CN201922155385.XU
Authority: CN
Inventors: 肖飞
Original assignee: Sanhe City Bulaisike General Machinery Equipment Co ltd
Current assignee: Sanhe City Bulaisike General Machinery Equipment Co ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-09-04
Anticipated expiration: 2029-11-28

Abstract

The utility model provides a novel overspeed anti-falling device which characterized in that: the overspeed anti-falling device consists of a slide block, a flying block, a rotating shaft, a spring, a rubber wheel and a brake hook; the brake hook of the overspeed anti-falling device is connected with the aerial work equipment through a fixing structure; the aerial working equipment descends along the guide rail and simultaneously drives the rubber wheel, the rotating shaft and the flying block to rotate; the descending speed of the high-altitude operation equipment is faster, the rotating speed of the rubber wheel driving the flying block is faster, the relative motion trend generated by the flying block is larger, when the rotating speed reaches a certain value, the flying block can overcome the tensile force of the spring to generate relative motion, the flying block can be contacted with the cavity of the sliding block body after the moving amount of the flying block reaches a certain degree, a reaction force opposite to the motion direction is generated, the reaction force can prevent the rubber wheel from rotating, the overspeed anti-falling device stops moving at the moment, meanwhile, the high-altitude operation equipment continues descending, and the braking hook is driven to be locked in the anti-falling hole of the guide rail; the manual control high-altitude operation equipment moves upwards, and the overspeed anti-falling device releases the locking state.

Description

Novel overspeed anti-falling device

Technical Field

The utility model belongs to the high altitude construction field relates to slider, flyer, pivot, spring, rubber tyer, break hook.

Background

The aerial working equipment ascends and descends along the guide rail, so that the purposes of carrying people and objects are achieved. When the maintainer takes the high-altitude operation equipment to descend along the guide rail, if the high-altitude operation equipment suddenly descends in an overspeed manner, the life safety of the maintainer is greatly threatened. After the overspeed anti-falling device is installed on the high-altitude operation equipment, when the high-altitude operation equipment descends in an overspeed mode, the overspeed anti-falling device can be triggered and locked in an anti-falling hole of the guide rail instantly, the high-altitude operation equipment cannot descend, and high safety guarantee is provided for maintenance personnel.

Disclosure of Invention

In order to overcome the phenomenon that the high-altitude operation equipment is subjected to overspeed reduction when carrying people, the utility model provides an overspeed anti-falling device, which can lock the high-altitude operation equipment on a guide rail in the twinkling of an eye and cannot move downwards.

The utility model adopts the technical proposal that: the overspeed anti-falling device is mounted on the aerial work equipment, the aerial work equipment descends along the guide rail and simultaneously drives the rubber wheel, the rotating shaft and the flying block to rotate, when the rotating speed of the flying block reaches a certain value, the flying block can be in contact with the cavity of the sliding block body to be clamped, the rubber wheel is driven to stop rotating, and the overspeed anti-falling device can stop moving in a moment. Meanwhile, the aerial work equipment can continuously descend to drive the brake hook to be locked in the anti-falling hole of the guide rail, so that the overspeed anti-falling device is locked on the guide rail to prevent the aerial work equipment from continuously descending, and the anti-falling function is realized.

The utility model provides a novel overspeed anti-falling device which characterized in that: the novel overspeed anti-falling device mainly comprises a slide block, a flying block, a rotating shaft, a spring, a rubber wheel, a brake hook and the like; the brake hook of the overspeed anti-falling device is connected with the aerial work equipment through a fixing structure; the aerial working equipment descends along the guide rail and simultaneously drives the rubber wheel, the rotating shaft and the flying block to rotate; the descending speed of the high-altitude operation equipment along the guide rail is faster, the rotating speed of the rubber wheel driving the flying block is faster, the relative motion trend generated by the flying block is larger, when the rotating speed reaches a certain value, the flying block can overcome the tensile force of the spring to generate relative motion, the flying block can be contacted with the cavity of the sliding block body after the moving amount of the flying block reaches a certain degree, a reaction force opposite to the motion direction is generated, the reaction force can prevent the rubber wheel from continuously rotating, the overspeed anti-falling device stops moving at the moment, meanwhile, the high-altitude operation equipment can continuously descend, and the brake hook is driven to be locked in the anti-falling hole of the guide rail; the manual control high-altitude operation equipment moves upwards, and the brake hook of the overspeed anti-falling device can be separated from the anti-falling hole of the guide rail to release the locking state.

Drawings

Fig. 1, fig. 2, fig. 3, and fig. 4 are schematic structural diagrams of an embodiment of the present invention.

Detailed Description

Example (b):

as shown in fig. 1, 2, 3 and 4, a novel overspeed anti-falling device mainly comprises a sliding block 1, a flying block 2, a rotating shaft 3, a spring 4, a rubber wheel 5, a brake hook 6, a climbing-free lift truck 7 and a guide rail 8.

In the embodiment, the flyweight 2 is connected with the rubber wheel 5 through the rotating shaft 3.

In this embodiment, the brake hook 6 is connected to the creeper-less lift truck 7 through a fixing structure.

In this embodiment, the creeper-free lift car 7 runs along the rail 8, and the rubber wheels 5 run along the rail 8.

In this embodiment, when the climbing-free lift truck 7 moves downwards along the guide rail 8, the rubber wheel 5 is driven, the flying block 2 and the rotating shaft 3 are driven to rotate, when the rotating speed reaches a certain value, the flying block 2 overcomes the tensile force of the spring to generate relative motion, the moving amount of the flying block 2 can be contacted with the body-shaped cavity of the sliding block 1 after reaching a certain degree, a reaction force opposite to the moving direction is generated, the reaction force can prevent the rubber wheel 5 from continuing to rotate, the overspeed anti-falling device stops moving at the moment, meanwhile, the climbing-free lift truck 7 continues to move downwards along the guide rail 8, the brake hook 6 is driven to be locked in the anti-falling hole of the guide rail 8, and the climbing-free lift truck 7 stops moving.

The utility model discloses operating condition design to current high altitude construction equipment has solved the safety problem when the proruption of high altitude construction equipment hypervelocity descends. The utility model discloses simple structure, cost are moderate, easily realize technical transformation.

Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that various changes and modifications may be made to the above embodiments without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a novel overspeed anti-falling device which characterized in that: the overspeed anti-falling device consists of a slide block, a flying block, a rotating shaft, a spring, a rubber wheel and a brake hook; the brake hook of the overspeed anti-falling device is connected with the aerial work equipment through a fixing structure; the aerial working equipment descends along the guide rail and simultaneously drives the rubber wheel, the rotating shaft and the flying block to rotate; the descending speed of the high-altitude operation equipment along the guide rail is faster, the rotating speed of the rubber wheel driving the flying block is faster, the relative motion trend generated by the flying block is larger, when the rotating speed reaches a certain value, the flying block can overcome the tensile force of the spring to generate relative motion, the flying block can be contacted with the cavity of the sliding block body after the moving amount of the flying block reaches a certain degree, a reaction force opposite to the motion direction is generated, the reaction force can prevent the rubber wheel from continuously rotating, the overspeed anti-falling device stops moving at the moment, meanwhile, the high-altitude operation equipment can continuously descend, and the brake hook is driven to be locked in the anti-falling hole of the guide rail; the manual control high-altitude operation equipment moves upwards, and the brake hook of the overspeed anti-falling device can be separated from the anti-falling hole of the guide rail to release the locking state.

2. The overspeed fall arrest device of claim 1, wherein: the faster the descending speed of the high-altitude operation equipment is, the faster the rubber wheel drives the flying block of the overspeed anti-falling device to rotate, and when the rotating speed reaches a certain value, the flying block can overcome the tension of the spring to generate relative motion.

3. The overspeed fall arrest device of claim 1, wherein: the overspeed anti-falling device enables the locking speed of the aerial work equipment to be adjustable when the aerial work equipment descends, and the descending locking speed is adjusted by adjusting the tension of a spring of the overspeed anti-falling device.

4. The overspeed fall arrest device of claim 1, wherein: the overspeed anti-falling device only plays a role when the high-altitude operation equipment descends along the guide rail in an overspeed way.

5. The overspeed fall arrest device of claim 1, wherein: the guide rail is fully provided with anti-falling holes with consistent size and interval, and after the overspeed anti-falling device is triggered, the brake hook can be instantly locked in the anti-falling holes of the guide rail.

6. The overspeed fall arrest device of claim 1, wherein: after the overspeed anti-falling device is locked on the guide rail, the aerial working equipment is controlled to move upwards, and a brake hook of the overspeed anti-falling device can be separated from an anti-falling hole of the guide rail to release the locking state.