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Electric crank switchgear with internal arc protection

A switchgear and handle-type technology, applied in the direction of pull-out switchgear, switchgear, switchgear parts, etc., can solve problems such as affecting safety performance and misoperation, and achieve the effect of safe operation, reasonable structure and convenient operation.

Active Publication Date: 2015-08-12
JIANGSU DONGYUAN ELECTRIC APPLIANCEGROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing AC switchgear, due to the structure of the cabinet and other reasons, affects the safety performance of the use and has misoperation and other phenomena.

Method used

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  • Electric crank switchgear with internal arc protection
  • Electric crank switchgear with internal arc protection
  • Electric crank switchgear with internal arc protection

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0032] A switchgear with internal arc protection, including a cabinet body 1, a handcart 2, a screw rod 3 that drives the handcart to move, and a grounding switch 4. The front end of the screw rod is the part connected to the crank handle that drives the screw rod to rotate. Set the screw sleeve 5 on the connecting part, the two sides of the screw sleeve are movable on the bolt 6, and a screw sleeve locking pin 7 that can move left and right is inserted behind the screw sleeve and the outside of the bolt 6, and the screw lock is locked. There is a groove 8 on the pin, and the side wall of the front end of the groove is inclined. The corresponding part of the front door 9 of the switch cabinet body and the screw rod is provided with a locking dial that is inserted into the groove of the locking pin of the screw rod and moves the locking pin outward. Fork 10; when the front door is closed, the locking shift fork is inserted into the locking pin groove along the inclined plane, so...

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PUM

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Abstract

The invention discloses an electric crank type switch device with internal arcing protection. The front end of the lead screw is a portion connected with a crank which drives a lead screw to rotate, a lead screw sleeve is sleeved on the connecting portion, two sides of the lead screw sleeve are arranged on a bolt in a movable mode, a lead screw sleeve locking pin which can move leftward and rightward is inserted in the back portion of the lead screw sleeve and the outer side of the bolt, a groove is formed in the lead screw sleeve locking pin, the side wall of the front end portion of the groove is of a slope shape, a locking shift fork which is inserted into the groove of the lead screw sleeve locking pin and enables the locking pin to move outward is arranged on a portion, corresponding to the lead screw, of a front door of a cabinet body of a switch cabinet, and the handcart crank is an electric crank device. The electric crank type switch device with the internal arcing protection has the advantages of being reasonable in structure, safe, and convenient and accurate to operate.

Description

[0001] This application is a divisional application with application number: 201180047892.5, application date: 2013.4.3, and name: "Switching equipment with internal arc protection". technical field [0002] The invention relates to an alternating current switching device. Background technique [0003] Due to reasons such as the structure of the cabinet body, the existing AC switchgear affects the safety performance of use and has phenomena such as misoperation. Contents of the invention [0004] The object of the present invention is to provide a switchgear with internal arc protection with reasonable structure, safe, convenient and accurate operation. [0005] Technical solution of the present invention is: [0006] A switchgear with internal arc protection, including a cabinet body, a handcart, a screw rod that drives the handcart to move, and a grounding switch. Set the screw sleeve on the connection part, the two sides of the screw sleeve are movable on the bolt, an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02B11/02H02B11/133
Inventor 孙益源邱卫东孙志中
Owner JIANGSU DONGYUAN ELECTRIC APPLIANCEGROUP