CN-122000216-A - Multifunctional operating handle of distribution switch

CN122000216ACN 122000216 ACN122000216 ACN 122000216ACN-122000216-A

Abstract

The invention discloses a multifunctional operating handle of a power distribution switch, which comprises a crank and a plurality of operating joints. The crank comprises an arc-shaped transmission rod, a handle and a connecting piece, wherein the connecting piece is arranged at the first end of the arc-shaped transmission rod, the handle is arranged at the second end of the arc-shaped transmission rod, the operation joint comprises an operation part and a connecting part, the connecting part is detachably connected with the connecting piece, and the operation part comprises two operation heads. The multifunctional operating handle of the power distribution switch has the advantages that the handle is suitable for multiple types of operating joints and the operating efficiency is high.

Inventors

PU DONG
WEI BIAO
Huang Hehao
ZHANG PENGHUA
LI JIN
KONG WANGLAI
YANG HUAGENG
YANG CHENGYI
ZHAO ZIHAO
HAO JIANWEN
Mao Jiapan

Assignees

华能澜沧江水电股份有限公司

Dates

Publication Date: 20260508
Application Date: 20260121

Claims (10)

1. A power distribution switch multifunctional operating handle, comprising: The crank comprises an arched transmission rod, a handle and a connecting piece, wherein the connecting piece is arranged at a first end of the arched transmission rod, and the handle is arranged at a second end of the arched transmission rod; The operation joints comprise an operation part and a connecting part, the connecting part is detachably connected with the connecting piece, and the operation part comprises two operation heads.
2. The power distribution switch multifunctional operating handle of claim 1, wherein the operating joint comprises a circuit breaker swing in and swing out joint, a circuit breaker energy storage joint, and a circuit breaker grounding switch joint.
3. The power distribution switch multifunctional operating handle according to claim 2, wherein the circuit breaker swing-in and swing-out connector comprises a first operating head with a regular hexagonal cross section and a second operating head with a rectangular hole sleeve, wherein the first operating head and the second operating head are symmetrically arranged.
4. The power distribution switch multifunctional operating handle of claim 2, wherein the circuit breaker energy storage connector comprises a third operating head of a sleeve with a circular hole, a first end of the sleeve with a circular hole is provided with a positioning groove, the extending direction of the positioning groove is perpendicular to the axial direction of the circular hole, and at least part of the positioning groove is intersected with the circular hole.
5. The power distribution switch multifunctional operating handle according to claim 2, wherein the circuit breaker grounding switch joint comprises a fourth operating head with a regular hexagonal cross section and a fifth operating head with a regular hexagonal hole, at least part of the fourth operating head can enter the regular hexagonal hole of the fifth operating head, and the fourth operating head and the fifth operating head are symmetrically arranged.
6. The multifunctional operating handle of the distribution switch according to claim 1, wherein the connecting portion is a rectangular block, a locking hole is formed in the rectangular block, an elastic piece is arranged in the locking hole and connected with the locking steel ball, and at least part of the locking steel ball is located in the locking hole.
7. The multifunctional operating handle of a power distribution switch according to claim 1, wherein a rectangular hole matched with the rectangular block is formed in the end portion of the connecting piece, and a positioning groove is formed in the wall of the rectangular hole and used for accommodating at least part of the locking steel balls.
8. The power distribution switch multifunctional operating handle according to claim 1, further comprising a limiter, wherein the limiter comprises a first transmission cylinder, a second transmission cylinder, a permanent magnet and an electromagnet, the permanent magnet is arranged in the first transmission cylinder, the electromagnet is arranged in the second transmission cylinder, the first transmission cylinder is sleeved in the second transmission cylinder, the electromagnet is magnetically attracted with the permanent magnet, the first transmission cylinder is connected with the connecting piece, and the second transmission cylinder is connected with the arched transmission rod.
9. The power distribution switch multifunctional operating handle according to claim 8, wherein a polytetrafluoroethylene guide ring is arranged between the inner wall of the first transmission cylinder and the outer wall of the second transmission cylinder, a torque sensor is arranged on the second transmission cylinder, and the electromagnet is powered off after the torque exceeds a set threshold value.
10. The power distribution switch multifunctional operating handle according to claim 1, further comprising a sheath, wherein the sheath is sleeved in the middle of the arcuate transmission rod.

Description

Multifunctional operating handle of distribution switch Technical Field The invention relates to the technical field of electrical engineering switch equipment, in particular to a multifunctional operating handle of a power distribution switch. Background In the operation and maintenance work of an electric power system, the operations of daily overhaul and maintenance, equipment replacement and transformation, defect treatment and the like of electric power equipment often relate to power transmission and power interruption and load switching operation of power transmission and distribution equipment. Because the power transmission and distribution equipment with different voltage levels is provided with circuit breakers and grounding switches of different manufacturers, different models and different operation modes, the variety of operation handles is various. In the current operation tool system, each breaker and the grounding switch need a special operation handle, and operators need to carry multiple types of operation handles, other operation tools and protection tools when carrying out power-on-off and load switching operations of power equipment, so that the working efficiency is low and the operation burden of the operators is heavy. In order to solve the problem, a multifunctional operating handle of a power distribution switch is developed. Disclosure of Invention The present invention is based on the discovery and recognition by the inventors of the fact that various types of operating handles need to be carried during operation. The present invention aims to solve at least one of the technical problems in the related art to some extent. Therefore, the embodiment of the invention provides the multifunctional operating handle of the power distribution switch, which has the advantages of adapting the handle to various operating joints and having high operating efficiency. The multifunctional operating handle of the power distribution switch comprises a crank and a plurality of operating joints. The crank comprises an arc-shaped transmission rod, a handle and a connecting piece, wherein the connecting piece is arranged at the first end of the arc-shaped transmission rod, the handle is arranged at the second end of the arc-shaped transmission rod, the operation joint comprises an operation part and a connecting part, the connecting part is detachably connected with the connecting piece, and the operation part comprises two operation heads. The multifunctional operating handle of the power distribution switch has the advantages that the handle is suitable for multiple types of operating joints, and the operating efficiency is high. The application has the advantages that the operation joint adopts modularized quick-release joints, the replacement and the carrying are convenient, and the application range of the operation handle is large, and only a single handle and a few joints are needed to be carried to realize the operation of circuit breakers and grounding switches with different types, different manufacturers and different voltage levels. In some embodiments, the operating contacts include a circuit breaker swing in and out contact, a circuit breaker energy storage contact, and a circuit breaker ground switch contact. In some embodiments, the circuit breaker swing in and out joint includes a first operating head having a regular hexagonal cross section and a second operating head having a rectangular bore sleeve, the first operating head being symmetrically disposed with the second operating head. In some embodiments, the circuit breaker energy storage joint comprises a third operating head of a sleeve with a circular hole, wherein a first end of the sleeve with the circular hole is provided with a positioning groove, the extending direction of the positioning groove is perpendicular to the axial direction of the circular hole, and at least part of the positioning groove is intersected with the circular hole. In some embodiments, the circuit breaker grounding switch joint comprises a fourth operating head with a regular hexagonal cross section and a fifth operating head with a regular hexagonal hole, at least part of the fourth operating head can enter the regular hexagonal hole of the fifth operating head, and the fourth operating head and the fifth operating head are symmetrically arranged. In some embodiments, the connecting portion is a rectangular block, a locking hole is formed in the rectangular block, an elastic piece is arranged in the locking hole, the elastic piece is connected with the locking steel ball, and at least part of the locking steel ball is located in the locking hole. In some embodiments, the end of the connecting piece is provided with a rectangular hole matched with the rectangular block, and the hole wall of the rectangular hole is provided with a positioning groove, wherein the positioning groove is used for accommodating at least part of the locking steel balls. In