Elastic push-and-press type high-voltage fuse tube base

A technology for high-voltage fuses and sockets, which is applied to electrical components, circuits, emergency protection devices, etc., can solve problems such as the installation structure of high-voltage fuses that are not involved, avoid lateral force on the fuse tube, improve equipment operation safety, and ensure The effect of service life

Active Publication Date: 2018-05-29
LISHUI POWER SUPPLY COMPANY OF STATE GRID ZHEJIANG ELECTRIC POWER +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But this invention does not involve the improvement of the installation structure of the high voltage fuse

Method used

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  • Elastic push-and-press type high-voltage fuse tube base
  • Elastic push-and-press type high-voltage fuse tube base
  • Elastic push-and-press type high-voltage fuse tube base

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Such as figure 1 , image 3As shown, an elastic push-type high-voltage fuse socket includes a cylindrical hollow conduit 1 for installing a fuse tube, a conduit end cover 2 and a contact slide plate 3, and the conduit end cover 2 is fixed on a fixed frame 4 Above, the hollow conduit 1 is threadedly connected with the conduit end cover 2, and a top spring 8 is also provided between the contact slide plate 3 and the conduit end cover 2. Up is relatively fixed. The hollow conduit 1 is provided with two parallel slots 6 penetrating through the inner and outer walls of the hollow conduit 1, and the edge of the contacting slide plate 3 is provided with symmetrical bumps 7, and the bumps 7 are adapted to be embedded in the slots 6, and the bumps 7 are evenly distributed on the edge of the contact slide plate 3, and the two projections 7 are 180° relative to the axis of the hollow conduit 1. A detachable flexible wire pigtail 5 is connected between the contact slide plate 3 ...

Embodiment 2

[0027] Such as figure 2 As shown, there are four slots 6, which are evenly distributed on the wall of the hollow conduit 1 and arranged in a cross shape. The inner diameter of the hollow conduit 1 is 6mm larger than the outer diameter of the matching fuse tube. All the other are the same as in Example 1.

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PUM

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Abstract

The invention discloses an elastic push-and-press type high-voltage fuse tube base. The elastic push-and-press type high-voltage fuse tube base comprises a cylindrical hollow guide tube, a guide tubeend cap and a contact slide plate, wherein the cylindrical hollow guide tube is used for installing a fuse tube; the guide tube end cap is fixed onto a fixing frame; the hollow guide tube is in threaded connection with the guide tube end cap; a push spring is arranged between the contact slide plate and the guide tube end cap; and the contact slide plate is slidingly connected onto the inner wallof the hollow guide tube. With the elastic push-and-press type high-voltage fuse tube base of the invention adopted, problems such as the problem of damage to a high-voltage fuse tube due to the disengagement of the high-voltage fuse tube which is caused by the vibration of the body of a voltage transformer handcart or the problem of heat emission and discharge which is caused by poor contact during the push and pull operation process of the high-voltage fuse tube of the voltage transformer handcart can be fundamentally eliminated; the reliability of the fixation and contact of the high-voltage fuse tube can be improved; and the use service life of the high-voltage fuse tube fixing structure can be ensured. The elastic push-and-press type high-voltage fuse tube base is convenient to use, simple to manufacture, low in cost and high in applicability.

Description

technical field [0001] The invention relates to a fixing structure of electric devices, more specifically, it relates to an elastic push-type high-voltage fuse socket on a handcart of a voltage transformer in a high-voltage power distribution device. Background technique [0002] The complete set of indoor power distribution devices has been widely used in substations, and operation and maintenance personnel often use the handcart cabinet of the 35kV voltage transformer installed below to carry out related operations. When the manual operation of the voltage transformer handcart is pushed or pulled out, a certain amount of push and pull external force must be applied, and there is a height difference between the bottom of the handcart cabinet and the ground, so the bottom wheel of the voltage transformer handcart passes through the uneven junction. At this time, the bottom of the handcart is subject to greater resistance, while the bottom of the handcart is continuously subj...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H85/20
CPCH01H85/20H01H85/2015H01H85/205
Inventor 李正之李剑荣王治玲林涛叶吉超
Owner LISHUI POWER SUPPLY COMPANY OF STATE GRID ZHEJIANG ELECTRIC POWER
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