CN219833543U - Safety device for overhauling power system - Google Patents

Abstract

The utility model discloses a safety device for overhauling an electric power system, which relates to the technical field of the electric power system. According to the utility model, the push block is pushed by one hand, the push block drives the sliding toothed plate to ascend, and the sliding toothed plate is meshed with the two groups of gears to rotate in opposite directions, so that the two groups of gears respectively drive the first hook arm and the second hook arm to open through the rotating shaft, and then an external safety rope is placed among the first hook arm, the second hook arm, the first clamping ring and the second clamping ring, at the moment, the push block is loosened, under the action of the spring, the sliding toothed plate is reset, and then the first hook arm and the second hook arm are mutually matched, so that the safety is guaranteed.

Description

Safety device for overhauling power system

Technical Field

The utility model relates to the technical field of power systems, in particular to a safety device for overhauling a power system.

Background

The power system is an electric energy production and consumption system formed by links such as a power plant, a power transmission and transformation line, a power supply and distribution station, electricity consumption and the like, and when the power system is maintained, workers often need to climb to a higher place, and a protecting device is needed to ensure the life safety of the workers, wherein the protecting device comprises a safety rope and a safety lock, and the safety lock is locked by adopting a hook.

One chinese patent with the publication number CN215691168U proposes a safety device for electric power system maintenance, wherein in order to solve the problem that the existing hook is easy to fall off, a locking assembly is provided, so that when the hook is connected, a pull rod can be lifted upwards, the pull rod is separated from the inside of a connecting cylinder, then a stop lever can be pressed, the safety lock is connected with a safety belt, after the connection is finished, the stop lever can be loosened, the pull rod is not lifted any more, the pull rod can be inserted into the inside of the connecting cylinder under the elastic acting force of a spring, double buckle safety is provided, the safety performance of the safety lock is improved, and the personal safety of operators is ensured.

However, in the above technical scheme, the pull rod needs to be lifted upwards, then the stop lever needs to be pressed to complete the safety connection, and according to the drawings in the specification of the application, the structural arrangement between the pull rod and the stop lever is unreasonable, the pull rod and the stop lever are used when one hand of a worker is difficult, even two hands are needed to operate simultaneously, when the worker is at a high place, the position of the hook needs to be changed, the operation of one hand is difficult, and the operation of two hands is easy to be dangerous.

Disclosure of Invention

Based on the above, the utility model aims to provide a safety device for electric power system maintenance, which solves the technical problems that in the prior art, a worker can use a pull rod and a stop lever while holding one hand, even two hands are needed to operate simultaneously, when the worker is at a high place, the position of a hook needs to be changed, the operation by one hand is difficult, and the danger is easy to occur when the worker is operated by two hands.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a safety device for electric power system overhauls, includes the main part, the inside both sides of main part are rotated respectively and are connected with first couple arm and the second couple arm of mutually supporting, and wherein the terminal fixed block pole that extends to first couple arm that is provided with in second couple arm top, and the inside block groove that cooperates with the block pole that has been seted up of first couple arm, further play the fixed effect of block, first couple arm and the terminal bottom of second couple arm are all fixed to be provided with the gear, two sets of rotate through the pivot between gear and the main part and connect, the inside sliding connection of main part has the slip pinion rack that meshes with two sets of gears, wherein the inside spout that meshes with the slip pinion rack that has been seted up of main part, and the cross-section of slip pinion rack and spout all is the rectangle, through spring coupling, the inside top of first couple arm and second couple arm is fixed first block ring and second block ring that is provided with mutually supporting respectively, and be connected for the block between first block ring and the second block ring, the fixed push away of slip pinion rack both ends that has run through.

Through adopting above-mentioned technical scheme, through the one hand promotion ejector pad, the ejector pad drives the slip pinion rack and rises, and then the rotation of two sets of gears of slip pinion rack meshing in opposite directions is done, thereby two sets of gears drive first couple arm and second couple arm respectively through the pivot and open, and then place external safety rope between first couple arm, second couple arm, first block ring and second block ring, loosen the ejector pad this moment, under the effect of spring, the slip pinion rack resets, and then mutually support between messenger's first couple arm and the second couple arm, and then play the effect of guaranteeing the safety, the whole one hand of the utility model can operate, and overall security is higher, the operation is comparatively convenient.

The utility model is further characterized in that the top of the sliding chute is fixedly provided with a fixed plate fixedly connected with the spring, and the top of the sliding toothed plate is fixedly provided with a supporting plate fixed with the spring.

By adopting the technical scheme, the guide rod plays a role in further stabilizing the sliding process of the sliding toothed plate, and the phenomenon that the sliding toothed plate is shifted in position is avoided.

The utility model is further characterized in that a guide rod penetrating through the sliding toothed plate is fixedly arranged in the main body, and a guide hole matched with the guide rod is formed in the sliding toothed plate.

By adopting the technical scheme, the fixing plate and the supporting plate play a role in fixing and supporting the spring.

In summary, the utility model has the following advantages: according to the utility model, the push block is pushed by one hand, the push block drives the sliding toothed plate to ascend, and the sliding toothed plate is meshed with the two groups of gears to rotate in opposite directions, so that the two groups of gears respectively drive the first hook arm and the second hook arm to open through the rotating shaft, and then an external safety rope is placed among the first hook arm, the second hook arm, the first clamping ring and the second clamping ring.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is a schematic view of the internal structure of the present utility model;

fig. 4 is a partially exploded view of the present utility model.

In the figure: 1. a main body; 2. a first hanger arm; 3. a second hanger arm; 4. a clamping rod; 5. a gear; 6. a rotating shaft; 7. sliding toothed plates; 8. a spring; 9. a fixing plate; 10. a guide rod; 11. a pushing block; 12. a first clamping ring; 13. and the second clamping ring.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

The utility model provides a safety device for electric power system overhauls, as shown in figure 1, figure 2, figure 3 and figure 4, including main part 1, main part 1 inside both sides are rotated respectively and are connected with first couple arm 2 and second couple arm 3 that mutually support, wherein second couple arm 3 top end fixedly is provided with the block pole 4 that extends to the inside of first couple arm 2, and the inside block groove that cooperates with block pole 4 that has been seted up of first couple arm 2, further play the fixed effect of block, the terminal bottom of first couple arm 2 and second couple arm 3 is all fixedly provided with gear 5, pass through pivot 6 rotation connection between two sets of gears 5 and the main part 1, main part 1 inside sliding connection has the slip pinion 7 that meshes with two sets of gears 5, wherein main part 1 is inside to be seted up with the spout that slides pinion 7 cooperatees, the sections of the sliding toothed plate 7 and the sliding groove are rectangular, the top of the sliding toothed plate 7 is connected with the main body 1 through a spring 8, the inner top ends of the first hook arm 2 and the second hook arm 3 are respectively fixedly provided with a first clamping ring 12 and a second clamping ring 13 which are matched with each other, the first clamping ring 12 and the second clamping ring 13 are in clamping connection, two ends of the sliding toothed plate 7 are fixedly provided with push blocks 11 penetrating through the main body 1, the push blocks 11 are pushed by one hand, the push blocks 11 drive the sliding toothed plate 7 to ascend, and the sliding toothed plate 7 is meshed with the two groups of gears 5 to rotate in opposite directions, so that the two groups of gears 5 drive the first hook arm 2 and the second hook arm 3 to open respectively through a rotating shaft 6, and then an external safety rope is arranged among the first hook arm 2, the second hook arm 3, the first clamping ring 12 and the second clamping ring 13;

at the moment, the pushing block 11 is loosened, the sliding toothed plate 7 is reset under the action of the spring 8, and then the first hook arm 2 and the second hook arm 3 are mutually matched, so that the safety is guaranteed.

Referring to fig. 3, a fixing plate 9 fixedly connected with a spring 8 is fixedly arranged at the top of the chute, and a supporting plate fixed with the spring 8 is fixedly arranged at the top of the sliding toothed plate 7.

Referring to fig. 2 and 3, a guide rod 10 penetrating through a sliding toothed plate 7 is fixedly arranged in a main body 1, and a guide hole matched with the guide rod 10 is formed in the sliding toothed plate 7.

The working principle of the utility model is as follows: when the safety rope is used, the push block 11 is pushed by one hand, the push block 11 drives the sliding toothed plate 7 to ascend, and then the sliding toothed plate 7 is meshed with the two groups of gears 5 to rotate in opposite directions, so that the two groups of gears 5 respectively drive the first hook arm 2 and the second hook arm 3 to be opened through the rotating shaft 6, and then an external safety rope is placed among the first hook arm 2, the second hook arm 3, the first clamping ring 12 and the second clamping ring 13;

at the moment, the pushing block 11 is loosened, the sliding toothed plate 7 is reset under the action of the spring 8, and then the first hook arm 2 and the second hook arm 3 are mutually matched, so that the safety is guaranteed.

Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims (7)

1. Safety device for maintenance of an electrical power system, comprising a main body (1), characterized in that: the novel multifunctional hook comprises a main body (1), and is characterized in that a first hook arm (2) and a second hook arm (3) which are matched with each other are respectively connected to the two sides of the main body (1) in a rotating mode, gears (5) are fixedly arranged at the bottoms of the tail ends of the first hook arm (2) and the second hook arm (3), two groups of gears (5) are connected with the main body (1) in a rotating mode through a rotating shaft (6), sliding toothed plates (7) meshed with the two groups of gears (5) are connected to the inside of the main body (1) in a sliding mode, and springs (8) are arranged between the tops of the sliding toothed plates (7) and the main body (1).

2. A safety device for electrical power system maintenance according to claim 1, wherein: the end of the top of the second hook arm (3) is fixedly provided with a clamping rod (4) extending to the inside of the first hook arm (2), and a clamping groove matched with the clamping rod (4) is formed in the inside of the first hook arm (2).

3. A safety device for electrical power system maintenance according to claim 1, wherein: the sliding groove matched with the sliding toothed plate (7) is formed in the main body (1), and the cross sections of the sliding toothed plate (7) and the sliding groove are rectangular.

4. A safety device for maintenance of an electrical power system according to claim 3, wherein: the sliding chute is characterized in that a fixed plate (9) fixedly connected with the spring (8) is fixedly arranged at the top of the sliding chute, and a supporting plate fixedly connected with the spring (8) is fixedly arranged at the top of the sliding toothed plate (7).

5. A safety device for electrical power system maintenance according to claim 1, wherein: the guide rod (10) penetrating the sliding toothed plate (7) is fixedly arranged in the main body (1), and guide holes matched with the guide rod (10) are formed in the sliding toothed plate (7).

6. A safety device for electrical power system maintenance according to claim 1, wherein: the first hook arm (2) and the second hook arm (3) are respectively and fixedly provided with a first clamping ring (12) and a second clamping ring (13) which are matched with each other at the inner top ends, and the first clamping ring (12) and the second clamping ring (13) are in clamping connection.

7. A safety device for electrical power system maintenance according to claim 1, wherein: push blocks (11) penetrating through the main body (1) are fixedly arranged at two ends of the sliding toothed plate (7).