CN216863481U

CN216863481U - Tower crane's personnel cat ladder safety device

Info

Publication number: CN216863481U
Application number: CN202220581702.3U
Authority: CN
Inventors: 王伟; 廖浩; 易腾
Original assignee: Anhui Ruian Special Equipment Testing Co ltd
Current assignee: Anhui Ruian Special Equipment Testing Co ltd
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-07-01
Anticipated expiration: 2032-03-17

Abstract

The utility model discloses a personnel ladder stand safety protection device of a tower crane, which comprises a ladder stand, a mounting frame and a protection component, wherein the top of the ladder stand is provided with the mounting plate, the top of the mounting plate is provided with a winch, the surface of a safety rope is wound on a winding drum of the winch, and two sides of the ladder stand are connected with supporting rods through mounting rods. According to the utility model, the winch is arranged at the top end of the ladder stand through the mounting plate, the positioning piece is arranged on the safety rope wound on the winch, and when a person climbs, the safety buckle of the person is connected with the positioning piece, so that a certain traction effect can be provided for the person, and the fatigue of the person when climbing is reduced; when adjusting through the regulation pole to spacing ring surface mounting, can make the protection network expand on the spacing ring, play the effect of protection, with the fixed plate that sets up on the mounting bracket through preventing weighing down net connection regulating plate, through compression spring to the regulating plate effect, keep preventing weighing down net expansion state to the prevention personnel fall.

Description

Tower crane's personnel cat ladder safety device

Technical Field

The utility model relates to the technical field of tower cranes, in particular to a personnel ladder stand safety protection device of a tower crane.

Background

Tower cranes, also called tower cranes, are known for short and originate in western europe. And the movable arm is arranged on the rotary crane at the upper part of the high-rise tower body. The construction method has the advantages that the working space is large, the construction method is mainly used for vertical and horizontal conveying of materials and installation of building components in building construction, along with the development of construction technology, the technical performance requirements of the building construction on tower cranes, namely tower cranes, are higher and higher, and especially the safety performance requirements on the tower cranes are higher; traditional tower crane can set up perpendicular cat ladder in the tower body inboard for the convenience is upper and lower for operating personnel, for the security that promotes perpendicular cat ladder, need set up safety device to personnel's cat ladder to the height of restriction cat ladder sets up supporting platform between adjacent cat ladder, is used for the convenient link to the tower body to maintain and maintain.

But current protector, the fault-tolerant rate of structure is lower, and its protective capacities is limited, and the user still needs manual climbing tower crane at present, causes the fatigue of health easily, is unfavorable for personnel to crawl, if the current in-process of personnel loses balance, probably leads to personnel to fall from the eminence.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the utility model provides a tower crane's personnel cat ladder safety device can improve protection and the security performance of personnel climbing in-process to can provide the effect of upwards pulling the promotion for personnel, fatigue when reducing the climbing.

In order to solve the technical problems, the utility model provides the following technical scheme: the safety protection device for the personnel crawling ladder of the tower crane comprises the crawling ladder, a mounting frame and a protection assembly, wherein the mounting plate is mounted at the top of the crawling ladder, a winch is mounted at the top of the mounting plate, the surface of a safety rope is wound on a winding drum of the winch, supporting rods are connected to two sides of the crawling ladder through mounting rods, a limiting ring is connected to the surface of each supporting rod, a limiting rod is connected to the surface of each limiting ring, and the bottom end of each limiting rod is connected to the mounting frame;

the protection component further comprises a fixing plate and an anti-falling net, one end of the anti-falling net is connected with the surface of the fixing plate, and the fixing plate is installed on the installation frame.

Preferably, the protection component further comprises an adjusting plate and a limiting block, the limiting block is installed at the bottom of the adjusting plate, and the other end of the anti-falling net is connected to the surface of the adjusting plate.

Preferably, the surface mounting of mounting bracket has limit baffle, the spacing groove has been seted up to the inner wall of mounting bracket, the surface sliding connection of stopper is at the spacing inslot wall.

Preferably, the surface of the limiting block is provided with a positioning block, the surface of the positioning block is connected with a compression spring, and the compression spring is arranged in the limiting groove.

Preferably, the mounting bracket is connected on the bracing piece, the surface of spacing ring is connected with the gag lever post through the connecting rod, the surface movable mounting of spacing ring has the holding ring.

Preferably, the positioning ring is connected with the surface of the adjusting rod, the two ends of the adjusting rod are provided with the guide rings, and the surface of the adjusting rod is connected with the protective net.

Preferably, a fixed rod is arranged on one side, located on the winch, of the surface of the mounting plate, a guide wheel is rotatably mounted on the fixed rod, and a positioning piece is arranged on the safety rope.

Compared with the prior art, the utility model has the beneficial effects that:

A. according to the design of the mounting plate, the winch and the guide wheel, the mounting plate is mounted at the top end of the ladder stand, the winch and the guide wheel are mounted at the top of the mounting plate, the positioning piece is arranged on the safety rope wound on the winding drum of the winch, when a person climbs, the safety buckle of the person can be connected to the positioning piece, a certain traction and lifting effect can be provided for the person when the person climbs, the fatigue of the person when the person climbs is reduced, and the protection effect on the person is achieved;

B. according to the arrangement of the structures such as the limiting ring and the protection assembly, the adjusting rod is arranged on the surface of the limiting ring through the positioning ring and the guide ring, the adjusting rod can be adjusted, so that the protective net arranged on the surface of the adjusting rod is unfolded on the limiting ring to protect climbing personnel, the fixing plate and the adjusting plate are arranged on the mounting frame, the anti-falling net is arranged between the fixing plate and the adjusting plate, the limiting block connected to the bottom of the adjusting plate is acted through the compression spring, the anti-falling net is kept in an unfolded state, and the protection effect can be achieved when the climbing personnel fall.

Drawings

FIG. 1 is an overall structural view of the present invention;

FIG. 2 is a view of the ladder of the present invention;

FIG. 3 is a block diagram of the mount of the present invention;

fig. 4 is a structural diagram of the anti-falling net.

Reference numerals: 1. climbing a ladder; 2. mounting a plate; 3. a winch; 4. a guide wheel; 5. fixing the rod; 6. a safety cord; 7. a positioning member; 8. mounting a rod; 9. a support bar; 10. a limiting ring; 11. a connecting rod; 12. a limiting rod; 13. a positioning ring; 14. a guide ring; 15. adjusting a rod; 16. a protective net; 17. a mounting frame; 18. a limiting groove; 19. a compression spring; 20. a fixing plate; 21. the anti-falling net; 22. an adjusting plate; 23. a limiting block; 24. positioning blocks; 25. and a limiting baffle.

Detailed Description

In order to facilitate the understanding of the technical solutions of the present invention for those skilled in the art, the technical solutions of the present invention will be further described with reference to the drawings attached to the specification.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-4, the embodiment discloses a personnel ladder stand safety protection device of a tower crane, which comprises a ladder stand 1, an installation frame 17 and a protection component, wherein the installation plate 2 is installed at the top of the ladder stand 1, a winch 3 is installed at the top of the installation plate 2, the surface of a safety rope 6 is wound on a winding drum of the winch 3, the two sides of the ladder stand 1 are connected with supporting rods 9 through installation rods 8, the surface of each supporting rod 9 is connected with a limiting ring 10, the surface of each limiting ring 10 is connected with a limiting rod 12, and the bottom end of each limiting rod 12 is connected to the installation frame 17; can improve protection and the security performance of personnel climbing in-process to can provide the effect of upwards pulling the promotion for personnel, fatigue when reducing the climbing.

Specifically, the protection assembly further comprises a fixing plate 20 and a falling prevention net 21, one end of the falling prevention net 21 is connected with the surface of the fixing plate 20, and the fixing plate 20 is installed on the installation frame 17; the protection assembly further comprises an adjusting plate 22 and a limiting block 23, the limiting block 23 is installed at the bottom of the adjusting plate 22, and the surface of the adjusting plate 22 is connected with the other end of the anti-falling net 21.

Wherein, fixed plate 20 is to preventing weighing down the subassembly that net 21 installed, will prevent weighing down net 21 and be connected with regulating plate 22, can take place to fall under the circumstances of personnel, plays the guard action to personnel, and mounting bracket 17 is the subassembly of installing protection component, and stopper 23 is the subassembly that leads to regulating plate 22, guarantees to play spacing effect at the regulation in-process to regulating plate 22's position.

The surface mounting of mounting bracket 17 has limit baffle 25, and the spacing groove 18 has been seted up to the inner wall of mounting bracket 17, and the surface sliding connection of stopper 23 is at spacing groove 18 inner wall. The surface of the limiting block 23 is provided with a positioning block 24, the surface of the positioning block 24 is connected with a compression spring 19, and the compression spring 19 is arranged inside the limiting groove 18.

In addition, the limiting baffle 25 plays a limiting role in the position of the adjusting plate 22, the limiting groove 18 is used for installing the limiting block 23, and the positioning block 24 is used for limiting the position of the compression spring 19, so that the compression spring 19 always acts on the limiting block 23, and the anti-falling net 21 on the adjusting plate 22 keeps an unfolded state.

The mounting bracket 17 is connected on the support rod 9, the surface of the limiting ring 10 is connected with the limiting rod 12 through the connecting rod 11, and the positioning ring 13 is movably arranged on the surface of the limiting ring 10. The positioning ring 13 is connected with the surface of the adjusting rod 15, the two ends of the adjusting rod 15 are provided with the guiding rings 14, and the surface of the adjusting rod 15 is connected with the protective net 16. The surface of the mounting plate 2 is provided with a fixed rod 5 on one side of the winch 3, a guide wheel 4 is rotatably mounted on the fixed rod 5, and a positioning piece 7 is arranged on the safety rope 6.

Further, connecting rod 11 and gag lever post 12 are the effect of fixing a position spacing ring 10, holding ring 13 and guide ring 14 are the subassembly of adjusting pole 15 and installing on spacing ring 10, the surface of adjusting pole 15 is connected with protection network 16, expand protection network 16 through adjusting pole 15 and withdraw on spacing ring 10, play the guard action, hoist engine 3 plays the effect of pulling the promotion to the personnel with safety rope 6, leading wheel 4 carries out spacing subassembly to safety rope 6's position.

The working principle of the embodiment is as follows: the mounting plate 2 is mounted at the top end of the ladder stand 1, the winch 3 and the guide wheel 4 are mounted at the top of the mounting plate 2, the positioning piece 7 is arranged on the safety rope 6 wound on the winding drum of the winch 3, when a person climbs, the safety buckle of the person can be connected to the positioning piece 7, a certain traction and lifting effect can be provided for the person when the person climbs, the fatigue of the person when the person climbs is reduced, and the protection effect is achieved for the person; install regulation pole 15 through holding ring 13 and guide ring 14 on the surface of spacing ring 10, can be through adjusting regulation pole 15, make the protection network 16 that adjusts the setting of pole 15 surface expand on spacing ring 10, play the effect of protection to the climbing personnel, and be provided with fixed plate 20 and regulating plate 22 on mounting bracket 17, it prevents weighing down net 21 to be provided with between fixed plate 20 and the regulating plate 22, stopper 23 effect of connecting bottom regulating plate 22 through compression spring 19, make prevent weighing down net 21 and keep the state of expansion, can prevent personnel in the climbing in-process, play the guard action when taking place to fall.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

The above-mentioned embodiments only represent the embodiments of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the concept of the present invention, and these embodiments are all within the protection scope of the present invention.

Claims

1. The utility model provides a tower crane's personnel cat ladder safety device, includes cat ladder (1), mounting bracket (17) and protective component, its characterized in that: the ladder comprises a ladder stand (1), a mounting plate (2) is mounted at the top of the ladder stand (1), a winch (3) is mounted at the top of the mounting plate (2), the surface of a safety rope (6) is wound on a winding drum of the winch (3), two sides of the ladder stand (1) are connected with supporting rods (9) through mounting rods (8), the surface of each supporting rod (9) is connected with a limiting ring (10), the surface of each limiting ring (10) is connected with a limiting rod (12), and the bottom end of each limiting rod (12) is connected to a mounting frame (17);

the protection component further comprises a fixing plate (20) and a falling prevention net (21), one end of the falling prevention net (21) is connected with the surface of the fixing plate (20), and the fixing plate (20) is installed on the installation frame (17).

2. The personnel ladder safety device of tower crane according to claim 1, characterized in that: the protection component further comprises an adjusting plate (22) and a limiting block (23), the limiting block (23) is installed at the bottom of the adjusting plate (22), and the other end of the anti-falling net (21) is connected to the surface of the adjusting plate (22).

3. The personnel ladder safety device of tower crane according to claim 2, characterized in that: the surface mounting of mounting bracket (17) has limit baffle (25), spacing groove (18) have been seted up to the inner wall of mounting bracket (17), the surface sliding connection of stopper (23) is at spacing groove (18) inner wall.

4. The personnel ladder safety device of tower crane according to claim 3, characterized in that: the surface mounting of stopper (23) has locating piece (24), the surface connection of locating piece (24) has compression spring (19), compression spring (19) set up the inside in spacing groove (18).

5. The personnel ladder safety device of tower crane according to claim 4, characterized in that: mounting bracket (17) are connected on bracing piece (9), the surface of spacing ring (10) is passed through connecting rod (11) and is connected with gag lever post (12), the surface movable mounting of spacing ring (10) has holding ring (13).

6. The personnel ladder safety device of tower crane according to claim 5, characterized in that: the positioning ring (13) is connected with the surface of the adjusting rod (15), the two ends of the adjusting rod (15) are provided with the guide rings (14), and the surface of the adjusting rod (15) is connected with the protective net (16).

7. The personnel ladder safety device of tower crane according to claim 6, characterized in that: the surface of the mounting plate (2) is provided with a fixing rod (5) on one side of the winch (3), the fixing rod (5) is rotatably provided with a guide wheel (4), and the safety rope (6) is provided with a positioning piece (7).