CN216895472U

CN216895472U - Emergency braking device for preventing falling from high altitude

Info

Publication number: CN216895472U
Application number: CN202220550607.7U
Authority: CN
Inventors: 陈清春; 陈俊; 蔡金鑫; 朱凌峰
Original assignee: Jiangxi Zhengqiang Electric Porcelain Electrical Appliance Co ltd
Current assignee: Jiangxi Zhengqiang Electric Porcelain Electrical Appliance Co ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-07-05
Anticipated expiration: 2032-03-14

Abstract

The utility model relates to an emergency braking device for preventing falling from high altitude, which comprises a fixed block, wherein a rope guide hole is formed in the inner cavity of the fixed block, a pulley is arranged at the top of the rope guide hole in a rotating manner along with singing, a flywheel is fixedly arranged at one end of the pulley, a moving rod is arranged in the flywheel in a sliding manner, clamping blocks are symmetrically arranged below the pulley, a pull rod is fixedly arranged at the top of each clamping block, the top of each clamping block is connected with the inner wall of the fixed block through a compression spring, an opening is formed in one side of the rope guide hole, a limiting rod is arranged in the opening, a mounting plate is fixedly arranged on one side of the fixed block, which is far away from the opening, a steel wire rope is arranged in the rope guide hole in a penetrating manner, the normal falling and falling conditions can be automatically distinguished through the rotating speed of the flywheel, the clamping blocks can automatically fall to be in contact with the steel wire rope when falling, the clamping blocks can naturally clamp and lock the steel wire rope after entering a wedge-shaped groove, the continuous falling of the worker is prevented, and the safety of the worker is ensured.

Description

Emergency braking device for preventing falling from high altitude

Technical Field

The utility model relates to an emergency braking device for preventing falling from high altitude, belonging to the technical field of braking devices.

Background

At present, with the development of society, high-altitude operation is very common, workers often need to carry out high-altitude operation, certain protection measures need to be adopted in the process of climbing up and down by using a ladder stand, and the traditional protection facilities are high in manufacturing cost, large in occupied space and inconvenient to use; in this case, a fall arrest device that can be mounted to a wire rope has been produced; however, the falling-prevention facility in the prior art has poor stability, the sliding block is easy to deflect on a single steel wire rope, when the falling-prevention facility is installed and used for a long time and stressed, the steel wire rope is easy to sag due to the fact that the tensioning device is loosened or the shock absorber is fatigue, and the falling is easy to occur when one steel wire rope is broken or the motor loses power.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an emergency braking device for preventing falling from high altitude, which can automatically distinguish the normal falling and falling conditions through the rotation speed of a flywheel, can lead a clamping block to automatically fall to be in contact with a steel wire rope when falling, can naturally clamp and lock the steel wire rope after entering a wedge-shaped groove, prevents the continuous falling condition of workers, ensures the safety of the workers and solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an emergency braking device that falls is prevented in high altitude, includes the fixed block, the rope guide hole has been seted up to the fixed block inner chamber, the rope guide hole top is even singing and is rotated and be equipped with the pulley, the fixed flywheel that is equipped with of pulley one end, it is equipped with the carriage release lever to slide in the flywheel, pulley below symmetry is equipped with presss from both sides tight piece, it is equipped with the pull rod to press from both sides the fixed pull rod that is equipped with in tight piece top, press from both sides tight piece top and pass through pressure spring with the fixed block inner wall and be connected, the opening has been seted up to rope guide hole one side, and is equipped with the gag lever post in the opening, the fixed mounting panel that is equipped with in open-ended one side was kept away from to the fixed block, wear to be equipped with wire rope in the rope guide hole.

Furthermore, fixed hooks are fixedly arranged on two sides of the fixed block, and mounting holes are uniformly formed in the mounting plate.

Further, press from both sides tight piece and be the wedge, and the fixed non-skid surface that is equipped with of opposite face, the wedge groove corresponding with pressing from both sides tight piece is seted up to the bottom both sides of rope guide hole.

Furthermore, the inner cavity of the flywheel is symmetrically provided with sliding grooves, the inner cavity of each sliding groove is provided with a moving block in a sliding mode, the bottom of each moving block is connected with the inner wall of each sliding groove through a tensioning spring, and the moving rod is fixedly arranged on each moving block.

Further, a hook is fixedly arranged in the inner cavity of the fixing block, a hanging ring is fixedly arranged on the pull rod, the hanging ring is hung on the hook, a cross rod is fixedly arranged on one side of the pull rod, the cross rod is located on one side of the flywheel, and a limiting block is fixedly arranged on the top of the pull rod in a penetrating mode through the fixing block.

Further, the opening inner wall has been seted up and has been accomodate the groove, the gag lever post runs through to accomodate the groove and is connected with the pull handle, and fixedly on the gag lever post is equipped with the board that resets, the board that resets passes through reset spring and accomodates inslot wall connection.

The utility model has the beneficial effects that:

1. by arranging the pulley, when the safety rope is used, the fixing block is fixed on a wall surface or a fixing frame for workers to work, the safety rope used by the workers enters the fixing block, and the pulley can play a role in guiding under normal conditions, so that the safety rope is more stable when the workers fall normally;

2. by arranging the flywheel, the steel wire rope moves between the pulleys, and when falling occurs, the steel wire rope can rapidly move so as to drive the flywheel to rapidly rotate, and then the moving rod extends out of the flywheel under the action of centrifugal force, so that the normal falling and falling conditions are distinguished;

3. through setting up and pressing from both sides tight piece, after the carriage release lever stretches out, can upwards lift up the pull rod to make it draw and break away from on the couple, press from both sides tight piece downstream under compression spring's effect, make its surface and wire rope contact, and wire rope is quick downward landing, can take the tight piece of clamp to remove naturally, can press from both sides tight lock with wire rope naturally after getting into the wedge groove, prevent workman's the condition that continuously falls, guarantee workman's safety.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model without limiting the utility model.

FIG. 1 is a schematic view of the overall structure of an emergency braking device for preventing falling from high altitude according to the present invention;

FIG. 2 is a cross-sectional view of an emergency braking device for high altitude fall arrest of the present invention;

FIG. 3 is a schematic structural view of a flywheel of the high-altitude anti-falling emergency braking device of the utility model;

FIG. 4 is a schematic structural diagram of a limiting rod of the high-altitude anti-falling emergency braking device of the utility model;

reference numbers in the figures: 1. a fixed block; 2. a rope guide hole; 3. a pulley; 4. a flywheel; 5. a travel bar; 6. a clamping block; 7. a pull rod; 8. a compression spring; 9. an opening; 10. a limiting rod; 11. mounting a plate; 12. a wire rope; 13. a fixed hook; 14. a wedge-shaped groove; 15. a sliding groove; 16. a moving block; 17. tensioning the spring; 18. hooking; 19. hanging a ring; 20. a cross bar; 21. a receiving groove; 22. a reset plate; 23. a return spring.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1-4, the present invention provides a technical solution; the utility model provides an emergency braking device that high altitude was prevented falling, includes fixed block 1, rope guide hole 2 has been seted up to 1 inner chamber of fixed block, 2 tops in rope guide hole are even singing and are rotated and be equipped with

pulley

3, 3 fixed flywheels 4 that are equipped with of one end of pulley, it is equipped with carriage release lever 5 to slide in the

flywheel

4, 3 below symmetries of pulley are equipped with and press from both sides tight piece 6, it is fixed and is equipped with pull rod 7 to press from both sides tight 6 tops of piece, press from both sides tight 6 tops and be connected through pressure spring 8 with 1 inner wall of fixed block, opening 9 has been seted up to 2 one side in the rope guide hole, and is equipped with gag lever post 10 in the opening 9, fixed one side that opening 9 was kept away from to fixed block 1 is fixed and is equipped with mounting panel 11, wear to be equipped with wire rope 12 in the rope guide hole 2.

Specifically, as shown in fig. 1, fixing hooks 13 are fixedly arranged on two sides of the fixing block 1, and mounting holes are uniformly formed in the mounting plate 11, so that the fixing block can be conveniently fixed in an operation place.

Specifically, as shown in fig. 2, the clamping block 6 is a wedge-shaped block, and the opposite surface is fixedly provided with an anti-slip protrusion, the two sides of the bottom of the rope guiding hole 2 are provided with wedge-shaped grooves 14 corresponding to the clamping block 6, and after the clamping block 6 enters the wedge-shaped grooves 14, the clamping block can be naturally extruded inwards, so that the steel wire rope is clamped and locked.

Specifically, as shown in fig. 3, sliding grooves 15 are symmetrically formed in an inner cavity of the flywheel 4, a moving block 16 is slidably disposed in the inner cavity of the sliding groove 15, the bottom of the moving block 16 is connected to the inner wall of the sliding groove 15 through a tension spring 17, the moving block 5 is fixedly disposed on the moving block 16, when the flywheel 4 rotates slowly, the moving block 16 cannot move under the action of the tension spring 17, when the flywheel 4 rotates at a high speed, the centrifugal force of the moving block 16 is greater than the tension force of the tension spring 17, so that the moving block 16 slides outward, the purpose of automatically extending the moving block 5 when falling is achieved, a hook 18 is fixedly disposed in the inner cavity of the fixed block 1, a hanging ring 19 is fixedly disposed on the pull rod 7, the hanging ring 19 is hung on the hook 18, a cross rod 20 is fixedly disposed on one side of the pull rod 7, the cross rod 20 is disposed on one side of the flywheel 4, and a limit block is fixedly disposed at the top of the pull rod 7 through the fixed block 1, after the movable rod 5 is extended, the pull rod 7 is lifted, so that the pull rod is separated from the hook 18, the purpose of moving the clamping block 6 is realized, and the pull rod 7 also plays a role of resetting the clamping block 6 after danger is relieved.

Specifically, as shown in fig. 4, the groove 21 has been seted up to accomodate to opening 9 inner wall, gag lever post 10 runs through to accomodate groove 21 and is connected with the pull handle, and fixes being equipped with reset plate 22 on the gag lever post 10, reset plate 22 passes through reset spring 23 and accomodates groove 21 inner wall connection, conveniently directly puts into fixed block 1 with wire rope 12 in, guarantees the workman in the safety of high latitude, outwards takes out gag lever post 10 again after the use to let wire rope 12 break away from fixed block 1, increase its practicality.

The working principle of the utility model is as follows: when in use, the fixing block 1 is fixed on the wall surface or the fixing frame for workers to work, the steel wire rope 12 used by the workers enters the fixing block 1 and can play a role of guiding by the pulley 3 under normal conditions, the falling of the worker is more stable, when falling occurs, the steel wire rope 12 can move rapidly, so as to drive the flywheel 4 to rotate rapidly, further, under the action of centrifugal force, the moving rod 5 extends out of the flywheel, and the pull rod 7 is lifted upwards after the moving rod 5 is contacted with the cross rod 20, so that it is pulled off the hook 18, while the clamping block 6 is moved downwards under the influence of the pressure spring 8, so that the surface of the steel wire rope is contacted with the steel wire rope, the steel wire rope 12 slides downwards quickly, the clamping block 6 is naturally carried to move, after entering the wedge-shaped groove 14, the steel wire rope 12 can be clamped and locked naturally, the continuous falling condition of workers is prevented, and the safety of the workers is ensured.

The above embodiments are preferred embodiments of the present invention, and those skilled in the art can make variations and modifications to the above embodiments, therefore, the present invention is not limited to the above embodiments, and any obvious improvements, substitutions or modifications made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides an emergency braking device that high altitude was prevented falling, includes fixed block (1), its characterized in that: rope guide hole (2) have been seted up to fixed block (1) inner chamber, rope guide hole (2) top is even singing and is rotated and be equipped with pulley (3), pulley (3) one end is fixed and is equipped with flywheel (4), it is equipped with carriage release lever (5) to slide in flywheel (4), pulley (3) below symmetry is equipped with and presss from both sides tight piece (6), it is fixed and is equipped with pull rod (7) to press from both sides tight piece (6) top, it is connected through pressure spring (8) with fixed block (1) inner wall to press from both sides tight piece (6) top, opening (9) have been seted up to rope guide hole (2) one side, and be equipped with gag lever post (10) in opening (9), fixed block (1) is kept away from one side of opening (9) and is fixed and is equipped with mounting panel (11), wear to be equipped with wire rope (12) in rope guide hole (2).

2. The emergency braking device for preventing falling from high altitude as claimed in claim 1, wherein: fixed block (1) both sides are fixed and are equipped with fixed hook (13), evenly seted up the mounting hole on mounting panel (11).

3. The emergency braking device for preventing falling from high altitude as claimed in claim 2, wherein: the clamping block (6) is a wedge-shaped block, anti-skid protrusions are fixedly arranged on opposite surfaces of the clamping block, and wedge-shaped grooves (14) corresponding to the clamping block (6) are formed in two sides of the bottom of the rope guide hole (2).

4. A high altitude fall arrest emergency stop device according to claim 3, characterised in that: the inner cavity of the flywheel (4) is symmetrically provided with sliding grooves (15), the inner cavity of each sliding groove (15) is provided with a moving block (16) in a sliding mode, the bottom of each moving block (16) is connected with the inner wall of each sliding groove (15) through a tension spring (17), and the moving rod (5) is fixedly arranged on each moving block (16).

5. The emergency braking device for preventing falling from high altitude as claimed in claim 4, wherein: fixed block (1) inner chamber is fixed and is equipped with couple (18), pull rod (7) are gone up to be fixed and are equipped with link (19), and link (19) hang on couple (18), pull rod (7) one side is fixed and is equipped with horizontal pole (20), horizontal pole (20) are located flywheel (4) one side, fixed stopper that is equipped with in fixed block (1) is run through at pull rod (7) top.

6. The emergency braking device for preventing falling from high altitude as claimed in claim 5, wherein: the utility model discloses a safety belt conveyor, including opening (9), gag lever post (10), reset plate (22), reset spring (23) and storage groove (21), storage groove (21) have been seted up to opening (9) inner wall, gag lever post (10) run through storage groove (21) and are connected with the pull handle, and fixed reset plate (22) that is equipped with on gag lever post (10), reset plate (22) pass through reset spring (23) and store groove (21) inner wall connection.