Rail type falling protector with three-side braking structure

Abstract

The utility model discloses a rail type anti -fall device with three -sided brake structure relates to anti -fall device technical field, the utility model discloses a seat body that is U -shaped, and the front and both sides of seat body all are equipped with the installation mouth, and the inside of installation mouth all is installed with the brake, and the brake includes the detachable fixed joint in the inside of installation mouth's base plate, and the inside of base plate is equipped with the through -port, and the inboard fixedly connected with two symmetrical setting protruding pieces of base plate, and the both sides rotatable connection of two protruding pieces has the brake lever, and the one end fixed sleeve of brake lever inboard of base plate has the brake cover, and the other end fixedly connected with the ring of brake lever, and the inside movable sleeve of base plate has the guide rod, and the other end fixedly connected with the baffle of guide rod, and the outside movable sleeve of guide rod has the return spring. The utility model discloses through installing the brake in the seat body front and both sides installation mouth and forming three -sided brake structure, avoids the security risk of single direction brake failure, and improves the reliability of anti -fall protection.

Description

Technical Field

[0001] This utility model belongs to the field of fall arrestor technology, and in particular relates to a track-type fall arrestor with a three-sided braking structure. Background Technology

[0002] In high-altitude operations such as building construction, power maintenance, and bridge maintenance, fall arresters are key safety protection devices. Their core function is to work with a pre-set track or fixed structure to monitor the movement of workers in real time. When an unexpected downward trend occurs, the braking mechanism is quickly activated to stop the fall, thus providing direct protection for the lives of workers at height.

[0003] Most mainstream track-type fall arresters on the market currently adopt a single-direction braking design in their braking structure design. That is, a set of brakes is only installed on one side of the fall arrester body, such as the front or one side. The braking is achieved by the friction generated by the contact between the braking component in this single direction and the rail. However, when the component in the single braking direction, such as the brake sleeve wears, the brake lever gets stuck, or the return spring fails, the braking function of the entire fall arrester will be completely lost, which poses a safety hazard and threatens the safety of the workers.

[0004] To address these issues, we provide a track-mounted fall arrestor with a three-sided braking structure. Utility Model Content

[0005] The purpose of this utility model is to provide a track-type fall arrestor with a three-sided braking structure. By installing brakes in the mounting holes on the front and sides of the seat to construct a three-sided braking structure, the problem of brake failure caused by the single-direction braking design of existing track-type fall arrestors is solved.

[0006] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0007] This utility model is a track-type fall arrestor with a three-sided braking structure, including a U-shaped base, with mounting openings on the front and both sides of the base, and brakes installed inside each mounting opening;

[0008] The brake includes a base plate detachably fixed inside the mounting port. The base plate has a through opening inside. Two symmetrically arranged protrusions are fixedly connected to the inner side of the base plate. A brake rod is rotatably connected between the two protrusions. A brake sleeve is fixedly fitted to one end of the brake rod on the inner side of the base plate. A hanging ring is fixedly connected to the other end of the brake rod. A guide rod is movably fitted inside the base plate. One end of the guide rod on the outer side of the base plate is fixedly connected to the outside of the brake rod. A stop block is fixedly connected to the other end of the guide rod. A return spring is movably fitted to the outside of the guide rod. The return spring is located between the stop block and the base plate.

[0009] The present invention is further configured such that a protective sleeve covering the outside of the passage is fixedly connected to the front side of the substrate, and the protective sleeve is fixedly sleeved on the outside of the brake lever.

[0010] The present invention is further configured such that the base includes a left part and a right part, two fixing bolts are movably sleeved inside the right part, and the fixing bolts extend laterally through the left part, and the threaded part of the fixing bolts is fitted with a wing nut for locking the left and right parts.

[0011] The present invention is further configured such that each of the three hanging rings is attached to a pull rope, and the other end of each of the three pull ropes is attached to a pull ring for connecting to a worker's safety hook.

[0012] This utility model has the following beneficial effects:

[0013] 1. This utility model installs the base plate of the brake into the mounting port of the seat in a detachable and fixed manner. When the brake has worn parts or malfunctions and needs maintenance, it is not necessary to disassemble the entire fall arrestor. The base plate can be disassembled separately to repair or replace internal components such as the brake lever, brake sleeve, and return spring, which greatly reduces the difficulty of maintenance operations and saves maintenance time.

[0014] 2. This utility model forms a three-sided braking structure by installing brakes at the mounting openings on the front and sides of the seat. In the event of an accidental fall, the three brakes can be activated simultaneously, causing the brake sleeve to clamp the track from the front, left, and right sides. The friction force quickly prevents the seat from sliding down, avoiding the safety hazard of brake failure in one direction and improving the reliability of fall protection.

[0015] 3. This utility model, by splitting the base into left and right parts and using a movable locking structure with fixing bolts and wing nuts, can quickly adjust the distance between the left and right parts, thus enabling convenient disassembly and removal of the fall arrestor on the track. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0018] Figure 2 This is a schematic diagram of the exploded structure of this utility model.

[0019] Figure 3 This is a schematic diagram of the brake of this utility model.

[0020] The attached diagram lists the components represented by each number as follows:

[0021] 100. Base; 101. Mounting port; 102. Left side; 103. Right side; 104. Fixing bolt; 105. Wing nut; 200. Brake; 201. Base plate; 201a. Pass-through port; 202. Protrusion; 203. Brake lever; 204. Hanging ring; 205. Brake sleeve; 206. Guide rod; 207. Stop block; 208. Return spring; 209. Protective sleeve; 300. Pull rope; 400. Pull ring. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0023] Example 1

[0024] Please see Figures 1 to 3 This utility model is a track-type fall arrester with a three-sided braking structure, including a U-shaped base 100. The front and both sides of the base 100 have mounting openings 101, and brakes 200 are installed inside the mounting openings 101. The mounting openings 101 on the front and both sides of the base 100 are respectively equipped with brakes 200, forming a three-sided braking structure. It can brake the movement of the fall arrester from multiple directions, avoid the safety hazards caused by brake failure in one direction, greatly improve the reliability of fall protection, and ensure the safety of workers when working on the track.

[0025] The brake 200 includes a base plate 201 detachably fixed inside the mounting port 101. The base plate 201 has a passage 201a. Two symmetrically arranged protrusions 202 are fixedly connected to the inner side of the base plate 201. A brake lever 203 is rotatably connected between the two protrusions 202. A brake sleeve 205 is fixedly fitted onto one end of the brake lever 203 located inside the base plate 201, and a hanging ring 204 is fixedly connected to the other end of the brake lever 203. A guide rod 206 is movably fitted inside the base plate 201, and one end of the guide rod 206 located outside the base plate 201 is fixedly connected to the outside of the brake lever 203. A stop block is fixedly connected to the other end of the guide rod 206. 207. A return spring 208 is movably sleeved on the outside of the guide rod 206, and the return spring 208 is located between the stop block 207 and the base plate 201. The base plate 201 adopts a detachable fixed connection method, which facilitates the installation, disassembly, maintenance and replacement of the brake 200. The brake sleeve 205 can increase the friction between the brake lever 203 and the corresponding braking component, improve the braking effect, and at the same time avoid direct wear of the brake lever 203, extending its service life. The stop block 207 can limit the position of the return spring 208 to prevent the spring from falling off. At the same time, in cooperation with the return spring 208, it can drive the brake lever 203 to quickly return to its original position after the braking action is completed, ensuring the normal use of the fall arrestor in the future.

[0026] Each of the three hanging rings 204 is attached to a pull rope 300, and the other end of each pull rope 300 is attached to a pull ring 400 for connecting to a worker's safety hook.

[0027] Specifically, a protective sleeve 209 is fixedly connected to the front of the base plate 201, covering the outside of the passage 201a. The protective sleeve 209 is fixedly sleeved on the outside of the brake lever 203. The protective sleeve 209 can effectively block the connection between the passage 201a and the brake lever 203, preventing dust, impurities, rainwater, etc. from entering the interior, avoiding problems such as jamming or wear of components due to contamination or corrosion, ensuring that the brake lever 203 rotates flexibly, and extending the service life of the brake 200.

[0028] The operation process of this embodiment is as follows: When a worker accidentally falls, the pull ring 400 connected to the worker's safety hook is pulled by the falling force, simultaneously pulling the three pull ropes 300 attached to it. The three pull ropes 300 respectively transmit the pulling force to the hanging ring 204 of the corresponding brake 200. The hanging ring 204, due to the force, drives the fixedly connected brake rod 203, causing the brake rod 203 to rotate around the rotation connection point between the two protrusions 202. At this time, one end of the brake rod 203 located inside the base plate 201 deflects towards the track, and the brake sleeve 205 fixedly sleeved at this end moves closer to the track and finally fits tightly against the track. At the same time, the brake rod 203 rotates... When activated, the guide rod 206 fixedly connected to the outside of the base plate 201 moves synchronously within the movable sleeve hole of the base plate 201. The stop block 207 at the other end of the guide rod 206 then presses the return spring 208 towards the base plate 201, and the return spring 208 is in a compressed state and stores elastic potential energy. The brakes 200 in the mounting ports 101 on the front and sides of the seat 100 are activated synchronously. The three brake sleeves 205 form a clamping force on the track from the front, left and right sides. The friction between the brake sleeves 205 and the track quickly prevents the seat 100 from sliding down the track, thereby preventing the staff from falling continuously and achieving fall protection.

[0029] Once the danger has passed and the pulling force from the worker's fall has disappeared, the compressed return spring 208 releases its elastic potential energy, pushing the stop block 207 to move away from the base plate 201. The stop block 207 drives the guide rod 206 to reset, and the guide rod 206 then pulls the brake rod 203 to rotate in the opposite direction, causing the brake sleeve 205 to disengage from the track. The brake 200 returns to its initial state, without affecting the worker's subsequent track operations.

[0030] Example 2

[0031] Please see Figure 1 and Figure 2 Based on the first specific embodiment, the base 100 includes a left part 102 and a right part 103. Two fixing bolts 104 are movably sleeved inside the right part 103, and the fixing bolts 104 pass through the left part 102 laterally. The threaded part of the fixing bolts 104 is equipped with a wing nut 105 for locking the left part 102 and the right part 103.

[0032] The operation process of this embodiment is as follows: When it is necessary to install this fall arrestor on the track, firstly, manually loosen the wing nut 105 on the threaded part of the fixing bolt 104 to create a gap between the wing nut 105 and the left part 102, thereby releasing the locking state of the left part 102 and the right part 103; then, pull the left part 102 and the right part 103 of the seat body 100 to both sides, and use the movable sleeve relationship between the right part 103 and the fixing bolt 104 to make the fixing bolt 104 slide laterally along the sleeve hole of the right part 103 as the left part 102 moves, until the gap between the left part 102 and the right part 103 is greater than the width of the track; then place the track on the left Within the clamping space formed by the right part 102 and the right part 103, adjust the position of the seat 100 to ensure that the brakes 200 in the mounting openings 101 on the front and sides of the seat 100 are aligned with the corresponding positions on the track. Then, push the left part 102 to move closer to the right part 103, so that the fixing bolt 104 on the right part 103 passes through the pre-set bolt through hole on the left part 102 again. Finally, tighten the wing nut 105 clockwise until the end face of the wing nut 105 is in close contact with the outer wall of the left part 102, and firmly lock the left part 102 and the right part 103. At this time, the seat 100 is stably fitted on the outside of the track, and the installation of the fall arrestor is completed.

[0033] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0034] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it.

Claims

1. A track-type fall arrestor with a three-sided braking structure, comprising a U-shaped base (100), characterized in that: The seat (100) has mounting openings (101) on the front and both sides, and brakes (200) are installed inside the mounting openings (101). The brake (200) includes a base plate (201) detachably fixed inside the mounting port (101). The base plate (201) has a through-hole (201a) inside. Two symmetrically arranged protrusions (202) are fixedly connected to the inner side of the base plate (201). A brake rod (203) is rotatably connected between the two protrusions (202). A brake sleeve (205) is fixedly fitted onto one end of the brake rod (203) located inside the base plate (201). 3) A hanging ring (204) is fixedly connected to the other end. A guide rod (206) is movably sleeved inside the base plate (201). One end of the guide rod (206) located outside the base plate (201) is fixedly connected to the outside of the brake rod (203). A stop block (207) is fixedly connected to the other end of the guide rod (206). A return spring (208) is movably sleeved outside the guide rod (206). The return spring (208) is located between the stop block (207) and the base plate (201).

2. A track-type fall arrester with a three-sided braking structure according to claim 1, characterized in that, The front side of the substrate (201) is fixedly connected to a protective sleeve (209) that covers the outside of the passage (201a), and the protective sleeve (209) is fixedly sleeved on the outside of the brake lever (203).

3. A track-type fall arrestor with a three-sided braking structure according to claim 1, characterized in that, The seat (100) includes a left part (102) and a right part (103). The right part (103) is internally fitted with two fixing bolts (104), and the fixing bolts (104) extend laterally through the left part (102). The threaded part of the fixing bolts (104) is fitted with a wing nut (105) for locking the left part (102) and the right part (103).

4. A track-type fall arrestor with a three-sided braking structure according to claim 1, characterized in that, Each of the three hanging loops (204) is attached to a pull rope (300), and the other end of each of the three pull ropes (300) is attached to a pull ring (400) for connecting to a worker safety hook.

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