CN219246968U

CN219246968U - 500kV grounding wire disassembly and assembly auxiliary device

Info

Publication number: CN219246968U
Application number: CN202320883011.3U
Authority: CN
Inventors: 王勇光; 王娜; 董海亮; 德国胜; 高娃; 滕飞; 佟博群; 贾志良; 王宁; 杨春伟; 孙淑艳; 张兵; 范振乾
Original assignee: Hulun Buir Power Supply Company State Grid Inner Mongolia Eastern Electric Power Co ltd; State Grid Corp of China SGCC
Current assignee: Hulun Buir Power Supply Company State Grid Inner Mongolia Eastern Electric Power Co ltd; State Grid Corp of China SGCC
Priority date: 2023-04-19
Filing date: 2023-04-19
Publication date: 2023-06-23
Anticipated expiration: 2033-04-19

Abstract

The utility model discloses a 500kV grounding wire dismounting auxiliary device, which relates to the technical field of substations and comprises a base and a main body, wherein the base is an insulating resin plate and an insulating rubber plate, and a circular groove is formed above the base; the main body comprises an operation rod head, a hook, an insulation operation rod, a driving device, an insulation rope and a fixed pulley, wherein the insulation operation rod is inserted into a circular groove of the base, the driving device is arranged at the lower part of the insulation operation rod, one end of the insulation rope is wound on a reel of the driving device, the other end of the insulation rope penetrates through the fixed pulley to be connected with the grounding hook, and the grounding hook can be driven to lift when the reel rotates. The fixed pulley is adopted to change the direction of the force, the driving device reduces the force, reduces the disassembly and assembly difficulty of the grounding wire, shortens the operation time, improves the working efficiency, avoids the dangers of electric shock and high-altitude falling of operators, and has a simple structure, safety and reliability.

Description

500kV grounding wire disassembly and assembly auxiliary device

Technical Field

The utility model relates to the technical field of substations, in particular to a 500kV grounding wire dismounting auxiliary device.

Background

The installation of the grounding wire is an important electrical safety technical measure, and can eliminate the induced voltage on the equipment, prevent the sudden power-on during equipment maintenance and ensure the personal safety of maintenance staff.

At present, the high-altitude grounding wire is assembled and disassembled mainly by means of an insulating arm car, and workers are sent to a preset height for operation. Because of the limitation of the transformer substation site, when the bucket arm vehicle is adopted for operation, the use and operation are not standard, the safety distance between the bucket arm vehicle and equipment in the bus and the transformer substation is insufficient, and the risk of electric shock is easily caused; the unstable bucket arm vehicle and the incorrect working method can cause personnel to fall in high altitude; the bucket arm vehicle has high cost, needs cooperation of multiple people, has the operation time of about 1 hour and has low efficiency. Therefore, we provide an auxiliary device for disassembling and assembling the grounding wire of the 500kV transformer substation, so as to solve the defects in the prior art.

Disclosure of Invention

The utility model provides a 500kV grounding wire dismounting auxiliary device, and aims to overcome the defects in the prior art.

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows: the 500kV grounding wire dismounting auxiliary device comprises a base and a main body, wherein an insulating resin plate is arranged at the upper part of the base, an insulating rubber plate is arranged at the lower part of the base, one surface of the insulating rubber plate is in contact with the ground to play a role of insulation and skid resistance, and a circular groove is formed above the insulating resin plate; the main part includes action bars head, couple, insulating action bars, drive arrangement, insulating rope and fixed pulley, and wherein action bars head links to each other with insulating action bars upper end butt joint, and the bottom of insulating action bars inserts with the circular recess cooperation of base, the couple sets up in insulating action bars upper portion, drive arrangement sets up in insulating action bars lower part, and its one side is the reel, and the another side is hand actuating mechanism, the fixed pulley setting is on the action bars head, insulating rope one end winds on drive arrangement's reel, and the other end passes the fixed pulley for connect ground connection couple and earth connection, let the earth connection go up and down through insulating rope when hand actuating mechanism takes the reel rotatory.

Preferably, the insulating operation rod is an epoxy resin pipe with the diameter of 36mm and the length of 8 meters, and is divided into 4 sections.

Preferably, the hook can rotate and move, so that the hook can be clamped at a transverse wire to play a role in fixing, and the insulating operation rod can be kept in a vertical state relatively.

Preferably, the hand-operated control mechanism has a self-locking function and is arranged at a position 1m away from the ground.

Preferably, the insulating rope is a silk insulating rope with the diameter of 8 mm.

Preferably, the circular groove is a circular groove with phi 40 mm.

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

1. high efficiency: the fixed pulley is adopted to change the direction of the force, the driving device reduces the force, the ground wire disassembly and assembly difficulty is reduced, the operation time is shortened, and the working efficiency is improved.

2. Safety: an operator can complete the disassembly and assembly of the grounding wire on the ground, and the electric shock and the high-altitude falling danger are avoided.

3. Reliability: the driving device adopts a self-locking hand-operated control mechanism, so that the complexity of the power device is reduced, the reliability is increased, and the fault points are reduced.

Drawings

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

reference numerals in the drawings: 1. an operating lever head; 2. a hook; 3. an insulating operation rod; 4. a driving device; 5. a base; 6. a ground wire; 7. a grounding hook; 8. an insulating rope; 9. and a fixed pulley.

Detailed Description

The present utility model will be described in further detail with reference to specific examples.

The embodiment is given by fig. 1, and a 500kV grounding wire dismounting auxiliary device comprises a base 5 and a main body, wherein the upper part of the base 5 is an insulating resin plate, the lower part of the base is an insulating rubber plate, one surface of the insulating rubber plate is in contact with the ground for insulation and skid resistance, a circular groove is formed above the insulating resin plate, and the diameter of the groove is phi 40mm; the main body comprises an operation rod head 1 part, a hook 2, an insulation operation rod 3, a driving device 4, an insulation rope 8 and a fixed pulley 9, wherein the operation rod head 1 is in butt joint connection with the upper end of the insulation operation rod 3, the insulation operation rod 3 is an 8-meter long epoxy resin pipe and is divided into 4 sections, the diameter of the bottom end of the insulation operation rod is phi 36mm, the insulation operation rod 3 is matched and inserted with a circular groove of a base 5, the hook 2 is arranged on the upper part of the insulation operation rod 3 and can be rotated and moved, and is conveniently clamped on a transverse electric wire, so that the insulation operation rod 3 can keep vertical relative vertical; the driving device 4 is arranged at the position 1m away from the ground at the lower part of the insulating operating rod 3, one side of the driving device 4 is a reel, and the other side is a self-locking hand-operated control mechanism which can drive the reel to rotate; the fixed pulley 9 is arranged on the operating rod head 1, one end of the insulating rope 8 is wound on a reel of the driving device 4, and the other end of the insulating rope passes through the fixed pulley 9 and is used for connecting the grounding hook 7 and the grounding wire 6.

In this embodiment, the insulating rope 8 is a silk insulating rope with a diameter of 8 mm.

The embodiments of the present utility model are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principles of the utility model should be made and equivalents should be construed as falling within the scope of the utility model.

The working principle of the utility model is as follows:

when the grounding wire is installed, the device is moved until the wire to be installed is issued, and the hook 2 on the insulating operation rod 3 is hung on the wire, so that the upper end of the insulating operation rod 3 is fixed to prevent toppling; the grounding hook is connected to the insulating rope, the insulating rope is slowly tightened and lifted by driving the self-locking hand-operated machine, and after the grounding hook reaches the position right above the electric wire, the self-locking hand-operated machine is slowly loosened to ensure that the grounding hook is reliably connected with the electric wire; when the grounding wire is removed, the self-locking hand-operated machine is driven to enable the insulating rope to be slowly tightened to drive the grounding hook to rise, and after the grounding hook is completely separated from the wire, the self-locking hand-operated machine is slowly loosened by adjusting the angle, so that the grounding hook falls down stably on the ground.

Claims

1. The utility model provides a 500kV earth connection dismouting auxiliary device, includes base (5) and main part, its characterized in that: the upper part of the base (5) is an insulating resin plate, the lower part of the base is an insulating rubber plate, and a circular groove is formed above the insulating resin plate; the main part includes action bars head (1), couple (2), insulating action bars (3), drive arrangement (4), insulating rope (8) and fixed pulley (9), and wherein action bars head (1) and insulating action bars (3) upper end butt joint link to each other, and the bottom of insulating action bars (3) is inserted with the circular recess cooperation of base (5), couple (2) set up the position on insulating action bars (3), drive arrangement (4) set up the position under insulating action bars (3), drive arrangement (4) one side is the reel, and the another side is hand operating mechanism, fixed pulley (9) set up on action bars head (1), insulating rope (8) one end is around on the reel of drive arrangement (4), and the other end passes fixed pulley (9) for connect ground connection couple (7).

2. The 500kV ground wire dismounting auxiliary device according to claim 1, wherein: the insulating operating rod (3) is an epoxy resin pipe with the diameter of 36mm and the length of 8 meters, and is divided into 4 sections.

3. The 500kV ground wire dismounting auxiliary device according to claim 1, wherein: the hook (2) can rotate and move.

4. The 500kV ground wire dismounting auxiliary device according to claim 1, wherein: the hand-operated control mechanism has a self-locking function.

5. The 500kV ground wire dismounting auxiliary device according to claim 1, wherein: the insulating rope (8) is a silk insulating rope with the diameter of 8 mm.

6. The 500kV ground wire dismounting auxiliary device according to claim 1, wherein: the circular groove is a circular groove with the diameter of 40 mm.