Valve mechanism of main contact system of direct-current switch cabinet

A DC switch and contact system technology, which is applied to switchgear components, switchgear guards/protection devices, etc., can solve the problems of easy damage, complex structure, and poor operation reliability in the operation process, and achieve fewer transmission links. The effect of reducing the probability of failure and improving reliability

Inactive Publication Date: 2010-08-04
ZHENJIANG DAQO SECHERON TRACTION POWER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing valve mechanisms of DC switchgear and high-voltage switchgear have defects such as complex structure, poor operation reliability, and easy damage during operation.

Method used

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  • Valve mechanism of main contact system of direct-current switch cabinet
  • Valve mechanism of main contact system of direct-current switch cabinet
  • Valve mechanism of main contact system of direct-current switch cabinet

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Experimental program
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Embodiment Construction

[0010] As shown in the figure, this mechanism comprises a support 1 (as shown in Fig. figure 1 ), the vertical front support plate 11 cooperates with the valve 2 through the guide groove 21 and the column pin 14, so that the valve can move up and down vertically, the valve 2 is hinged with the upper end of a valve connecting rod 3 through the support, the valve The lower end of connecting rod 3 is hinged on the front end of a valve push rod 4, and the rear end of valve push rod 4 is hinged on the side plate 12 of the bracket. A roller 41 is installed in the middle of the valve push rod 4, and the outer edge of the roller presses On a slide block 5 with a wedge surface, the slide block is installed on the handcart and can move forward and backward together with the handcart, and the base plate 13 is provided with a track 15 for guiding the movement of the handcart.

[0011] like image 3 As shown, when the handcart is pushed into the cabinet, the valve 2 falls to the bottom en...

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Abstract

The invention belongs to power transmission and distribution equipment and relates to a valve mechanism of a main contact system of a direct-current switch cabinet, which is used for a handcart type direct-current switch cabinet or high-voltage switch cabinet. The mechanism comprises a fixed bracket, wherein the bracket comprises several parts which are an upright front support plate positioned at the front part, upright side plates positioned on both sides and a horizontal bottom plate positioned at the bottom, an upright valve is installed on the front support plate, the valve and the bracket are matched by an upright guide groove and a plug penetrated in the guide groove, the valve is articulated with the upper end of a connecting rod of the valve by a supporting seat, the lower end of the connecting rod of the valve is articulated at the front end of a push rod of the valve, the back end of the push rod of the valve is articulated on the side plates of the bracket, the middle part of the push rod of the valve is provided with a roller, the outer edge of the roller is pressed on a slide block with an oblique wedge surface, and the slide block is installed on a handcart and can move together with the handcart back and forth. The invention has simple structure and convenient manufacture and installation. Because of less transmission links of the invention, the invention reduces the probability of the occurrence of faults and enhances the reliability of motions.

Description

technical field [0001] The invention belongs to power transmission and distribution equipment, and relates to a valve mechanism for a main contact system of a DC switch cabinet used for a handcart-type DC switch cabinet or a high-voltage switch cabinet. Background technique [0002] The valve opening mechanism is the contact protection part in the handcart switch cabinet. Its function is to open the contact insertion channel when the switch cabinet handcart is pushed in, and close the contact insertion channel when the switch cabinet handcart exits, so as to Insulation protection for static contacts and other cabinet components. Most of the existing valve mechanisms of DC switchgear and high-voltage switchgear have defects such as complex structure, poor operation reliability, and easy damage during operation. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a valve mechanism of the main contact system of the DC ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02B11/24H02B11/04
Inventor 朱祥连朱忠建阚劲松仲鹏峰
Owner ZHENJIANG DAQO SECHERON TRACTION POWER
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