CN215461538U

CN215461538U - Anti-falling device for tower crane ladder safety rope

Info

Publication number: CN215461538U
Application number: CN202121407813.4U
Authority: CN
Inventors: 赵粉弟; 袁小梅; 赵芸娟; 沙丽华
Original assignee: Jiangsu Tengfa Building Machinery Co ltd
Current assignee: Jiangsu Tengfa Building Machinery Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2022-01-11
Anticipated expiration: 2031-06-24

Abstract

The utility model discloses an anti-falling device for a tower crane ladder safety rope, which comprises: the bearing comprises a shell, a fixed pulley, a movable pulley and a bearing seat, wherein the fixed pulley is rotatably connected between the inner walls of the two sides of the shell through a bearing, the inner walls of the two sides of the shell are clamped with sliding seats, the inner parts of the sliding seats are positioned above the springs and are connected with bearing seats in a sliding way, the movable pulley is rotatably connected between the bearing seats through the bearing, when the safety device falls, the pulling force generated by the safety auxiliary rope is greater than the elastic force of the spring, so that the movable pulley ascends along the sliding seat under the pulling force of the safety auxiliary rope, when the movable pulley rises, the outer wall of the movable pulley continuously generates pressure to the safety main rope, and when the fixed pulley and the movable pulley on the top continuously extrude the safety main rope, under the frictional resistance of the safety main rope, the movable pulley stops rising, the falling stops at the moment, the whole device stops on the safety main rope, the safety falling prevention of personnel is guaranteed, and the use is convenient and efficient.

Description

Anti-falling device for tower crane ladder safety rope

Technical Field

The utility model relates to the technical field of safety ropes, in particular to an anti-falling device for a tower crane ladder safety rope.

Background

The tower crane is the most common hoisting equipment on the construction site, also known as a tower crane, which is lengthened section by section and used for hoisting construction raw materials such as reinforcing steel bars, wood ridges, concrete, steel pipes and the like for construction, and is an essential equipment on the construction site. The tower crane belongs to high-altitude operation, and the safety of workers is particularly important to be guaranteed.

When the tower crane about the staff, hang the couple on the safety clothing on the tower gallows more, climb at the staff and move the in-process, need climb and get and put the couple while, the process is very wasted time and energy, need consume the very big physical power of staff to when hanging the couple, do not have other safety guarantee, be unfavorable for guarantee staff's safety.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an anti-falling device for a tower crane ladder safety rope, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a tower crane cat ladder anti-falling device for safety rope, includes: the safety rope comprises a shell, a fixed pulley, a movable pulley and a bearing seat, wherein the fixed pulley is connected between the inner walls of the two sides of the shell in a rotating mode through a bearing, a sliding seat is arranged on the inner walls of the two sides of the shell in a clamping mode, a spring is welded to the bottom of the sliding seat, the sliding seat is located above the spring and is connected with the bearing seat in a sliding mode, the movable pulley is connected between the bearing seats in a rotating mode through the bearing, a safety auxiliary rope is wound on the bottom of the movable pulley, one end of the safety auxiliary rope is connected with the inner wall of the top of the shell in a clamping mode, and a safety main rope is connected to the middle of the shell in a splicing mode.

Furthermore, one end of the safety auxiliary rope extending out of the shell is bound with a lifting hook.

Further, the safety main rope is positioned between the fixed pulley and the movable pulley.

Furthermore, the top of the spring is fixedly connected with the outer wall of the bottom of the bearing seat through a clamping joint.

Furthermore, anti-skid stripes are processed at the contact part of the outer wall of the movable pulley and the safety main rope.

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

the utility model realizes that when the anti-falling device for the safety rope of the tower crane ladder is used, the safety main rope is bound between the upper part and the lower part of the tower crane ladder, the shell and the components thereof are inserted outside the safety main rope, when the ladder is climbed up and down, the shell and the components thereof are connected through the hook on the safety clothes, when the ladder is climbed up and down, the whole device is led to move up and down outside the safety main rope along with personnel under the guidance of the fixed pulley and the movable pulley, the tension generated by the safety auxiliary rope in the moving process is smaller than the elastic force of the spring, so that the movable pulley is always positioned in the central area of the sliding seat, when the ladder falls, the tension generated by the safety auxiliary rope is larger than the elastic force of the spring, so that the movable pulley rises along the sliding seat under the tension of the safety auxiliary rope, when the outer wall of the movable pulley rises, the outer wall of the movable pulley continuously generates pressure to the safety main rope, when the fixed pulley and the movable pulley on the top continuously extrude the safety main rope, under the frictional resistance of the safety main rope, the movable pulley stops rising, the falling stops at the moment, the whole device stops on the safety main rope, the safety falling prevention of personnel is guaranteed, and the use is convenient and efficient.

Drawings

FIG. 1 is a schematic cross-sectional view of the overall front view structure of the present invention;

FIG. 2 is a schematic cross-sectional side view of the overall left-hand side view of the present invention;

fig. 3 is a schematic cross-sectional view of the overall top view structure of the present invention.

In the figure: 1-a housing; 2-fixed pulley; 3-safety main rope; 4-a slide seat; 5-safety auxiliary rope; 501-a lifting hook; 6-moving-pulley; 7-a spring; 8-bearing seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a tower crane cat ladder anti-falling device for safety rope, includes: shell 1, fixed pulley 2, movable pulley 6 and bearing frame 8, it is connected with fixed pulley 2 to rotate through the bearing between the 1 both sides inner wall of shell, there is slide 4 through the joint on the 1 both sides inner wall of shell, there is spring 7 bottom through the welding in slide 4, slide 4 inside is located spring 7 top sliding connection has bearing frame 8, it is connected with movable pulley 6 to rotate through the bearing between the bearing

frame

8, 6 bottom twines of movable pulley have safety

auxiliary rope

5, 5 one end of safety auxiliary rope is through joint and 1 top wall connection of shell, 1 middle part of shell has safe main rope 3 through pegging graft, safety auxiliary rope 5 stretches out 1 one end of shell and has lifting hook 501 through bundling, safe main rope 3 is located between fixed pulley 2 and the movable pulley 6, joint and 8 bottom outer wall fixed connection of bearing frame are passed through at the spring 7 top, the processing of the outer wall of movable pulley 6 and the 3 contact site of safe main rope has anti-skidding stripe.

The working principle is as follows: when the anti-falling device for the safety rope of the tower crane ladder is used, the safety main rope 3 is bound between the upper part and the lower part of the tower crane ladder, the shell 1 and components thereof are inserted and connected at the outer side of the safety main rope 3, when the ladder is climbing up and down, the hook on the safety clothes of the lifting hook 501 is connected, when the ladder is climbing up and down, the whole device is guided by the fixed pulley 2 and the movable pulley 6 to move up and down at the outer side of the safety main rope 3, the tension generated by the safety auxiliary rope 5 in the moving process is smaller than the elastic force of the spring 7, so that the movable pulley 6 is always positioned in the central area of the sliding seat 4, when the ladder falls, the tension generated by the safety auxiliary rope 5 is larger than the elastic force of the spring 7, so that the movable pulley 6 rises along the sliding seat 4 under the tension of the safety auxiliary rope 5, in the rising process of the movable pulley 6, the outer wall of the movable pulley 6 continuously generates pressure to the safety main rope 3, when the fixed pulley 2 and the movable pulley 6 positioned at the top continuously extrude the safety main rope 3, under the frictional resistance of the safety main rope 3, the movable pulley 6 stops rising, the falling stops at the moment, the whole device stops on the safety main rope 3, the safety falling prevention of personnel is guaranteed, and the use is convenient and efficient.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a tower crane cat ladder anti-falling device for safety rope which characterized in that includes:

a housing (1);

a fixed pulley (2);

a movable pulley (6);

a bearing seat (8),

wherein, be connected with fixed pulley (2) through the bearing rotation between shell (1) both sides inner wall, there is slide (4) through the joint on shell (1) both sides inner wall, slide (4) bottom has spring (7) through the welding, slide (4) inside is located spring (7) top sliding connection and has bearing frame (8), be connected with movable pulley (6) through the bearing rotation between bearing frame (8), movable pulley (6) bottom winding has safe auxiliary rope (5), safe auxiliary rope (5) one end is passed through the joint and is connected with shell (1) top inner wall, shell (1) middle part has safe main rope (3) through pegging graft.

2. The anti-falling device for the tower crane ladder safety rope is characterized in that: the safety auxiliary rope (5) extends out of one end of the shell (1) and is bound with a lifting hook (501).

3. The anti-falling device for the tower crane ladder safety rope is characterized in that: the safety main rope (3) is positioned between the fixed pulley (2) and the movable pulley (6).

4. The anti-falling device for the tower crane ladder safety rope is characterized in that: the top of the spring (7) is fixedly connected with the outer wall of the bottom of the bearing seat (8) through clamping.

5. The anti-falling device for the tower crane ladder safety rope is characterized in that: and anti-skid stripes are processed at the contact part of the outer wall of the movable pulley (6) and the safety main rope (3).