CN203647906U - Hook capable of preventing safety belt from winding, knot tying and dead lock - Google Patents

Abstract

A hook that prevents seat belts from being entangled, knotted and locked. A connecting plate is arranged at the upper opening end of the U-shaped hook body. The length of the connecting plate is equal to the width of the upper opening end of the hook body, and the two ends of the connecting plate are Welded on the upper opening end of the hook body, the connecting plate is provided with a connecting through hole in its middle position, and a rotatable seat belt connecting assembly is arranged at the connecting through hole. The utility model has the advantages of simple structure and reasonable design, and the safety belt connected with it can rotate synchronously, and the phenomenon of knotting and locking of the safety belt caused by partial rotation due to one end fixed will not occur. The utility model makes maintenance and emergency repair personnel not have to worry about the problem of knotted and locked safety belts, and the efficiency of maintenance and emergency repair operations is further improved. The utility model is suitable for various high-altitude operation fields that need to be equipped with safety belts.

Description

A hook for preventing seat belts from being entangled, knotted and locked

technical field

The utility model relates to a connector for flexible objects, in particular to a hook applied to safety belts to prevent them from being wound and knotted.

Background technique

At present, with the increasing development of modernization, its supporting power transmission and transformation equipment has also been upgraded, and the lines carrying these power transmission and transformation equipment are all kinds of high and low voltage transformers (boxes) and other power equipment. Electricity poles, because the electric poles are all installed outdoors, wind and rain, sun exposure, aging lines or weather disasters (such as typhoons, snow disasters, freezing rain) and other factors, the power equipment installed on the electric poles needs to be repaired within a fixed time. Maintenance or emergency repair work, and the electrical equipment on the poles are fixed at a high place, so the maintenance and emergency repair personnel need to climb up to work, in most areas can use auxiliary lift vehicles, and some areas where it is inconvenient for vehicles to enter and exit or the roads are not smooth Then we can only arrange maintenance and repair personnel to directly climb the height manually.

At present, maintenance and repair personnel must abide by the corresponding rules and regulations when performing high-altitude operations on electrical equipment, and one of the key equipment to ensure the safety of high-altitude operations is safety belts. The existing safety belts are usually designed with multiple protection effects, namely A maintenance and repair personnel usually wears more than one seat belt, but multiple protections, and the seat belt must abide by the principle of "high hanging low use" during operation. The so-called "high hanging" in high hanging low use refers to the It is to hang the seat belt higher than the place where people stand; and "low use" means that the place where the personnel work is lower than the position where the seat belt is hung. According to this hanging method, in case of a falling accident, the seat belt, The joint force of the safety rope and the metal fittings can pull the person, so that the actual impact distance is reduced or it is prevented from falling. The personal safety of maintenance personnel is ensured.

However, it is precisely because of the need to "hang high and use low", the actual application length of the seat belt is relatively long, and due to the structural characteristics of the power equipment, the seat belt is very vulnerable to factors such as wind force, gravity, and human shaking during application. , and one end of the seat belt is fixed, which makes the seat belt partially rotate, and finally causes the seat belt to be knotted and locked. Once this phenomenon occurs, maintenance and repair personnel have to stop the work at hand for their own safety reasons The problem of seat belts is handled well, and it will take a lot of time to rearrange these knotted and locked seat belts, which greatly affects the efficiency of maintenance and repair operations.

Utility model content

In order to solve the problem that the seat belt in the prior art is affected by factors such as wind force, gravity, human shaking, etc., and one end of the seat belt is fixed, which makes the seat belt partially rotate, and finally leads to the problem that the seat belt is knotted and locked, the utility model Provides a new type of hook that can prevent the seat belt from being entangled, knotted and locked. Through its structural design, the seat belt can rotate freely as a whole under the influence of factors such as wind force, gravity, and human shaking, without partial rotation. The knotted locking phenomenon that causes, the concrete structure of the present utility model is as follows:

A hook for preventing seat belts from being entangled, knotted and locked, comprising a U-shaped hook body, characterized in that:

The U-shaped hook body is provided with a connecting plate at the upper opening end, the length of the connecting plate is equal to the width of the upper opening end of the hook body, and the two ends of the connecting plate are welded on the upper opening end of the hook body;

The connecting plate is provided with a connecting through hole in its middle position, and a rotatable safety belt connecting assembly is arranged at the connecting through hole.

A hook for preventing seat belts from being entangled, knotted and locked according to the utility model is characterized in that the seat belt connecting assembly includes a seat belt connecting rod, an anti-falling limit post, and a seat belt connecting ring, wherein the seat belt The connecting rod is a cylindrical rod whose diameter is 1-2 mm smaller than the diameter of the connecting through hole opened in the middle of the connecting plate, and the length of the connecting rod of the seat belt is 1-2 mm longer than the depth of the connecting through hole. The lower end of the bar is welded with an anti-falling limit post, and the column diameter of the anti-falling limit post is 10-15mm greater than the aperture of the connecting through hole, and the upper end of the safety belt connecting rod is fixedly connected with a safety belt connecting ring.

According to the utility model, a hook for preventing seat belts from being entangled, knotted and locked is characterized in that the seat belt connecting ring is divided into two parts, the connecting ring body and the connecting ring base, and the connecting ring body is fixedly arranged on the connecting ring base The upper part of the connecting ring base is fixedly connected with the safety belt connecting rod, and the width of the connecting ring base is 20-30 mm larger than the diameter of the safety belt connecting rod.

The purpose of the design here is that, since the diameter of the seat belt connecting rod 3a of the seat belt connecting assembly 3 is smaller than the diameter of the connecting through hole 2a provided in the middle of the connecting plate 2, the seat belt connecting rod can be inserted into the connecting through hole after being inserted into the connecting through hole. Rotate in the hole, so that the hook body 1 connected up and down and the seat belt connecting ring 3c can also rotate independently of each other, and there will be no knotting and locking phenomenon caused by fixing one end of the seat belt, and the anti-falling limit post set 3b and the connecting ring base 3c2 prevent the entire seat belt connecting assembly from sliding up and down from the connecting through hole provided in the middle of the connecting plate, so that the seat belt connecting assembly is closely connected with the hook body.

Using a hook of the utility model to prevent the seat belt from being entangled, knotted and locked has obtained the following beneficial effects:

1. A hook to prevent seat belts from being entangled, knotted and locked in this utility model has a simple structure and a reasonable design. The seat belts connected to it can rotate synchronously, and there will be no seat belt knots caused by partial rotation due to one end being fixed. lock-up phenomenon;

2. The utility model provides a hook that prevents seat belts from being entangled, knotted and locked, so that maintenance and repair personnel do not have to worry about the problem of seat belts being tied and locked, and the efficiency of maintenance and repair operations is further improved.

Description of drawings

Fig. 1 is the specific structure schematic diagram of a kind of hook that prevents safety belt from winding knotted lock of the present utility model;

In the figure: 1-hook body, 2-connecting plate, 2a-connecting through hole, 3-seat belt connecting component, 3a-seat belt connecting rod, 3b-anti-falling limit post, 3c-seat belt connecting ring, 3c1- Connecting ring body, 3c2-connecting ring base.

Detailed ways

A hook for preventing seat belts from being entangled, knotted and locked will be further described below in conjunction with the accompanying drawings and embodiments of the present invention.

Example

As shown in Fig. 1, a kind of hook that prevents seat belts from being entangled, knotted and locked includes a U-shaped hook body 1, and a connecting plate 2 is arranged at the upper opening end of the U-shaped hook body. The length of the connecting plate is Equal to the width of the upper opening end of the hook body, and the two ends of the connecting plate are welded on the upper opening end of the hook body;

The connecting plate 2 is provided with a connecting through hole 2a at its middle position, and a rotatable safety belt connecting assembly 3 is arranged at the connecting through hole.

The safety belt connecting assembly 3 includes a safety belt connecting rod 3a, an anti-falling limit post 3b, and a safety belt connecting ring 3c, wherein the safety belt connecting rod is a cylindrical rod whose diameter is smaller than the connecting through hole provided in the middle of the connecting plate 2 2a has an aperture of 1-2 mm, and the length of the seat belt connecting rod is 1-2 mm longer than the depth of the connecting through hole. An anti-falling limit post is welded at the lower end of the seat belt connecting rod, and the anti-falling limit post The diameter of the column is 10-15mm greater than the diameter of the connecting through hole, and the upper end of the safety belt connecting rod is fixedly connected to be provided with a safety belt connecting ring.

The seat belt connecting ring 3c is divided into two parts: the connecting ring body 3c1 and the connecting ring base 3c2. The width will be greater than the bar diameter 20～30mm of safety belt connecting rod 3a.

Since the diameter of the safety belt connecting rod 3a of the safety belt connecting assembly 3 is less than the diameter of the connecting through hole 2a provided in the middle part of the connecting plate 2, the safety belt connecting rod can rotate in the through hole after being inserted into the connecting through hole, so that The hook body 1 connected up and down and the safety belt connecting ring 3c can also rotate independently of each other, and there will be no knotting and locking phenomenon caused by fixing one end of the safety belt. Then make the whole seat belt connection assembly not slide up and down from the connection through hole provided in the middle of the connection plate, so that the seat belt connection assembly is closely connected with the hook body.

The utility model relates to a hook for preventing seat belts from being entangled, knotted and locked. The hook is simple in structure and reasonable in design. Phenomenon. The utility model makes maintenance and emergency repair personnel not have to worry about the problem of knotted and locked seat belts, and the efficiency of maintenance and emergency repair operations is further improved. The utility model is suitable for various high-altitude operation fields that need to be equipped with safety belts.

Claims (3)

1. A hook for preventing seat belts from being entangled, knotted and locked, comprising a U-shaped hook body (1), characterized in that: The U-shaped hook body (1) is provided with a connecting plate (2) at the upper opening end, the length of the connecting plate is equal to the width of the upper opening end of the hook body, and the two ends of the connecting plate are welded on the hook body the upper open end of the The connecting plate (2) is provided with a connecting through hole (2a) at its middle position, and a rotatable safety belt connecting component (3) is arranged at the connecting through hole. 2. A hook for preventing seat belts from being entangled, knotted and locked according to claim 1, characterized in that, the seat belt connection assembly (3) includes a seat belt connection rod (3a), an anti-falling limit post (3b) Seat belt connecting ring (3c), wherein the seat belt connecting rod is a cylindrical rod whose diameter is 1-2mm smaller than the diameter of the connecting through hole (2a) opened in the middle of the connecting plate (2). The length of the connecting rod is 1-2mm longer than the depth of the connecting through hole. An anti-falling limit post is welded at the lower end of the seat belt connecting rod, and the diameter of the anti-falling limiting post is larger than that of the connecting through hole. The hole diameter is 10-15mm, and the upper end of the safety belt connecting rod is fixedly connected with a safety belt connecting ring. 3. A hook for preventing seat belts from being entangled, knotted and locked according to claim 2, characterized in that, the seat belt connecting ring (3c) is divided into a connecting ring body (3c1) and a connecting ring base (3c2 ) two parts, the connecting ring body is fixedly arranged on the upper part of the connecting ring base, and the lower part of the connecting ring base is fixedly connected with the seat belt connecting rod, and the width of the connecting ring base is larger than the diameter of the seat belt connecting rod (3a) 20 ~30mm.

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