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Isolation switch and operation insulator connection structure

A technology for isolating switches and insulators, which is applied in the field of connecting structures of isolating switches and their operating insulators, and can solve problems such as large installation errors, easy damage, and inability to adapt

Active Publication Date: 2018-07-31
HENAN PINGGAO ELECTRIC +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a connection structure for operating insulators to solve the problem that the current operating insulators cannot adapt to large installation errors and are easily damaged after thermal expansion and contraction; in addition, the purpose of the present invention is to provide a Isolating switch using the above operation insulator connection structure

Method used

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  • Isolation switch and operation insulator connection structure
  • Isolation switch and operation insulator connection structure
  • Isolation switch and operation insulator connection structure

Examples

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Embodiment 2

[0045] The specific embodiment 2 of the isolating switch of the present invention, the difference between the structure of the isolating switch in this embodiment and the above-mentioned specific embodiment 1 is only: as Figure 10 and Figure 11 As shown, in this embodiment, the end of the operating insulator 5 that cooperates with the insulator support seat 1 is fixed on the flange 11 of the support seat, and the end of the operating insulator 5 that cooperates with the main knife mounting seat 2 is floatingly mounted on the main knife along the axial direction of the operating insulator 5 . On the mounting base 2, an adjusting bolt 51 is provided at the end where the operation insulator 5 matches with the main knife mounting base 2, and the flange 21 of the mounting base is provided with a light hole for the adjusting bolt 51 to pass through. The flange 21 is non-rotating, and the mounting seat flange 21 and the nut of the adjusting bolt 51 stop and cooperate along the axia...

Embodiment 3

[0046] The specific embodiment 3 of the isolating switch of the present invention, the difference between the structure of the isolating switch in this embodiment and the above-mentioned specific embodiment 1 is only that: the two ends of the operating insulator in this embodiment are respectively floating mounted on the insulator support seat, the conductor is installed At this time, the operating insulator is hung on the conductor mounting base. However, since the operating insulator in this embodiment is not fixed, the stability of the operating insulator will be lost to a certain extent.

[0047] A specific embodiment of the connecting structure of the operating insulator of the present invention, the connecting structure of the operating insulator in this embodiment includes an operating insulator, an insulator supporting seat and a main knife mounting seat, wherein the structure and cooperation relationship of the operating insulator, the insulator supporting seat and the...

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Abstract

The invention relates to the switch equipment field and especially relates to an isolation switch and an operation insulator connection structure. The isolation switch comprises an insulator support seat and a main knife installation seat. A support insulator is supported and assembled between the insulator support seat and the main knife installation seat. An operation insulator which drives an isolation main knife to carry out opening and closing is arranged between the insulator support seat and the main knife installation seat. The two ends of the operation insulator are rotatably cooperated with the insulator support seat and the main knife installation seat. One end of the operation insulator, which is cooperated with the insulator support seat, is floatingly arranged on the insulator support seat along the axial direction of the operation insulator or one end of the operation insulator, which is cooperated with the main knife installation seat, is floatingly arranged on the mainknife installation seat along the axial direction of the operation insulator. During an installation process, a certain installation error is allowed; the operation insulator is not extruded after thermal expansion; and problems that the current operation insulator can not adapt to large installation errors and is easy to be damaged after thermal expansion and contraction are solved.

Description

technical field [0001] The invention relates to the field of switchgear, in particular to an isolating switch and its operating insulator connection structure. Background technique [0002] Isolating switches are widely used in power systems. With the rapid improvement of the national economy and the improvement of people's living standards, the demand for electricity is also increasing. In order to ensure the reliability of power supply, the power grid company has higher requirements on the reliability of the power equipment running in the power system. A large-capacity high-voltage DC isolating switch disclosed by a Chinese patent with the authorized announcement number CN106504933A and the authorized announcement date of 2017.03.15, including a moving side chassis, which is the insulator support seat, and the moving side chassis is provided with a support The insulator and the operating insulator, the operating insulator is connected with a vertical connecting rod and an...

Claims

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Application Information

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IPC IPC(8): H01H31/02
CPCH01H31/023H01H31/026
Inventor 张任李付永李宏楼张帆时彦文赵子龙王福亚师丽芳赵梦坡杜彬
Owner HENAN PINGGAO ELECTRIC
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