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Soft interlocking mechanism for switch cabinet vehicle-in/out apparatus

A technology for interlocking mechanism, entering and exiting vehicles, applied in switchgear, pull-out switch cabinet, electrical components, etc., can solve problems such as interlock failure, damage to mechanism and related parts, etc., to achieve high reliability and prevent misoperation Ability, simple structure effect

Active Publication Date: 2009-04-15
CHINA TIANSHUI CHANGCHENG SWITCHGEAR CO LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a soft interlock mechanism for the switchgear entry and exit device to solve the problem of failure of the interlock due to damage to the mechanism and related parts caused by continued operation in the event of misoperation or operational failure

Method used

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  • Soft interlocking mechanism for switch cabinet vehicle-in/out apparatus
  • Soft interlocking mechanism for switch cabinet vehicle-in/out apparatus
  • Soft interlocking mechanism for switch cabinet vehicle-in/out apparatus

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Embodiment Construction

[0012] The present invention will be further described below in conjunction with the accompanying drawings.

[0013] The following examples can enable those skilled in the art to understand the present invention more comprehensively, but do not limit the present invention in any way.

[0014] A soft interlocking mechanism for a switch cabinet entry and exit device, including a protective clutch assembly 20, a lead screw 7, and a nut assembly 21, one end of the lead screw 7 is connected to the protective clutch assembly 20, and the other end is connected to a nut assembly 21 Movable connection; the structure of the screw nut assembly 21 is as follows: the front and rear supports 9 and 12 are connected by screw rods 13 and are relatively arranged to form a support. In this support, the opposite ends of the front and rear supports 9 and 12 are respectively The needle roller bearing 8 and the thrust bearing 10 are fixedly installed in turn, and the middle part of the other end is ...

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Abstract

The invention discloses a soft interlocking mechanism used in a switchgear entering and leaving device, and aims at solving the problem in the existing movable entering and leaving operation. The device comprises a protective clutch assembly (20), a screw (7), and a nut assembly (21). One end of the screw (7) is connected with the protective clutch assembly (20) and the other end of the screw (7) is movably connected with the nut assembly (21). When in over-torque operation, the protective clutch assembly is started to cause an operating head to skid, which leads to an invalid operation and realizes protection of the mechanism and the device; when a breaker is switched on or an earthing switch is switched on, the nut only rotates along with the screw and the nut assembly does not move, which causes the entering and leaving operation to be invalid and realizes the interlocking requirement. The mechanism has the advantages of simple and compact structure, small volume, high reliability and strong anti-misoperation ability. The misoperation of an operator causes no damage to and no impact on the whole switchgear, and can effectively eliminate operating accidents.

Description

technical field [0001] The invention relates to a soft interlock mechanism of a switch cabinet entry and exit device. Background technique [0002] The vehicle entry and exit operation mechanism of the existing removable switchgear operates when a misoperation occurs or when the vehicle cabinet is faulty. Improper operation of the function, therefore, forcible misoperation will destroy the relevant components in the switch cabinet and the entry and exit mechanism, resulting in the failure of the interlock function, laying hidden dangers for the safe operation and operation of the switchgear, and even causing accidents. Contents of the invention [0003] The purpose of the present invention is to provide a soft interlock mechanism for the switch cabinet entry and exit device to solve the problem of failure of the interlock due to damage to the mechanism and related parts caused by continued operation in the event of misoperation or operational failure. [0004] The present...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02B11/133H02B11/167
Inventor 马炳烈张忙中王雷于庆瑞
Owner CHINA TIANSHUI CHANGCHENG SWITCHGEAR CO LTD
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