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New type guide rial driving mechanism used for pull type circuit breaker

A transmission mechanism, a new type of guide rail technology, applied in the direction of pull-out switchgear, horizontal pull-out switchgear, electrical components, etc., can solve the problems of increasing mechanical fragility, and the cam device cannot increase the size, height, or length, etc. , to achieve the effect of easy loading and unloading, convenient loading and loading, easy loading and unloading

Inactive Publication Date: 2004-07-21
LARSEN & TOUBRO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In addition, the cam mechanism itself cannot be increased in size, height, or length to facilitate the location of the transmission mechanism on the bracket or circuit breaker, since increasing its size, height, or length will increase its mechanical vulnerability

Method used

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  • New type guide rial driving mechanism used for pull type circuit breaker
  • New type guide rial driving mechanism used for pull type circuit breaker
  • New type guide rial driving mechanism used for pull type circuit breaker

Examples

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Embodiment Construction

[0031] Description of the preferred embodiment

[0032] The invention will be illustrated below with the aid of the above-mentioned drawings, this illustration is not a limiting example. For convenience, they are appropriately labeled with appropriate reference numerals.

[0033] The vertically moving automatic return guide (1) has a follower pin (2) fastened to it. Said device (1) has a guide (3) that limits its movement on a transmission (5). Restricted movement is obtained by a stop (7) provided on the transmission (5), positioned so that when the stop contacts either end of the guide (3) the device (1) Stop exercising.

[0034] Such as Figure 1b As shown, the vertically moving automatic return guide (1) is loaded on the drive mechanism (5) by the spring (4), and when the circuit breaker (10) has not been installed in the bracket (11), the device is kept in the lifting position. high position, and when the circuit breaker is raised or lowered by raising or lowering th...

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Abstract

A new type guide rial driving mechanism used for pull type circuit breaker comprises a guide device capable of moving vertically and returning automatically, which has a guide device for restrained movement and a following pin mounted on the same; in order to obtain the character of returning automatically, said device is elastically arranged on a mechanism for moving the breaker or transmitting the feeding carriage, and said device is positioned like this on said mechanism such that when the breaker is not arranged on the feeding carriage, said device maintains its normal, raised position, and when the breaker arranged with the guide member is arranged in thin groove arranged on said mechanism for said arranged guide member, one of said arranged guide members on two sides of the break stops separate vertical movement and returns to guide device automatically, and push said device; said device has character of returning automatically such that said device returns its raised position when the breaker gradually strips down tooth from said carriage; said guide track transmission mechanism is designed like this to ensure said guide device capable of moving vertically and returning automatically never extends below the main body of the breaker.

Description

technical field [0001] The invention relates to a guide rail transmission mechanism in a pull-out circuit breaker. The object of the present invention is to easily load and unload circuit breakers into and out of their bays using a standard trolley having a vertically mobile platform in addition to other loading and unloading common tools. Background technique [0002] In a drawer circuit breaker, the circuit breaker is placed in a bracket which in turn is connected to the mains by cables, links or any other means. Generally, a pull-out circuit breaker can be in the following four positions relative to its bracket: (1) maintenance position, that is, when the circuit breaker can be withdrawn from the bracket or loaded into the bracket; (2) insulation position , that is, when it is completely disconnected from power and control power but it is still firmly engaged on the bracket; (3) the test position, that is, when it is in the bracket and connected to the control power (whi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02B11/12H02B11/127
Inventor 维贾亚拉克斯宓·P·康诺卡拉凯什·S·丘里
Owner LARSEN & TOUBRO
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