A contact clamping force test auxiliary device for fuse type isolating switch

A technology of isolating switch and auxiliary device, applied in the direction of measuring device, instrument, force/torque/work measuring instrument, etc., can solve the problem of not easy to center, and achieve the effect of easy installation

Active Publication Date: 2022-08-02
STATE GRID CORP OF CHINA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a contact clamping force test auxiliary device for a fuse-type isolating switch, to solve the technical problem in the prior art that the drag hook of the tension meter is not easy to be centered when hooking the hand-held section of the handle

Method used

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  • A contact clamping force test auxiliary device for fuse type isolating switch
  • A contact clamping force test auxiliary device for fuse type isolating switch
  • A contact clamping force test auxiliary device for fuse type isolating switch

Examples

Experimental program
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Effect test

Embodiment 1

[0040] like figure 1 and figure 2 As shown, the contact clamping force test auxiliary device 104 includes a left top pressure plate 1 and a right top pressure plate 10, the left top pressure plate 1 and the right top pressure plate 10 are arranged in parallel and spaced apart, the right side of the left top pressure plate 1 and the left side of the right top pressure plate 10 Both sides are provided with support shafts 5, that is, the two support shafts 5 are arranged on opposite sides of the two top pressure plates, and the support shafts 5 are arranged perpendicular to the respective top pressure plates, wherein the two support shafts 5 are coaxial and arranged at intervals. Wherein, the opposite sides of the two top pressing plates are used to press fit with the inner side of the bending section of the handle on the cover plate.

[0041] In this embodiment, a pulling plate is provided between the left top pressing plate 1 and the right top pressing plate 10. The pulling p...

Embodiment 2

[0051] In Embodiment 1, only one compression spring is arranged between the ear plate 3 and the corresponding top pressure plate, and the specifications of the two compression springs 2 are the same, so that the pulling plate is placed on the two tops under the elastic force of the two compression springs 2. The middle position of the pressure plate, in this embodiment, a pressure spring is arranged between the ear plate and the left top pressure plate, and two pressure springs are arranged between the ear plate and the right top pressure plate. The sum of the elastic force of the compression spring is the elastic force of a compression spring between the ear plate and the left top pressure plate, so that the pulling plate is in the middle position of the two top pressure plates under the elastic force of the three compression springs.

Embodiment 3

[0053] In Embodiment 1, the plate body is a U-shaped structure, including two parallel plate segments and a connecting plate segment 7. The two parallel plate segments are provided with hook holes, and the connecting plate segment 7 is used for pushing and matching with the hand-held segment of the handle 103. , so as to drive the handle 103 to move together when the tension meter pulls the pulling plate, wherein the connecting plate segment 7 constitutes the handle pushing portion; in this embodiment, the plate body is an L-shaped structure, including a vertical plate segment and a horizontal plate segment, The horizontal plate segment is provided with hook holes, and the vertical plate segment is used to stop and cooperate with the handle, so as to drive the handle to move together when the tension meter pulls the pulling plate, wherein the vertical plate segment constitutes the handle push portion.

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Abstract

The invention relates to a contact clamping force test auxiliary device for a fuse type isolating switch. Auxiliary device for contact clamping force test for fuse type isolating switch, including: two top pressure plates are provided, the two top pressure plates are arranged in parallel and spaced apart, the opposite sides of the two top pressure plates and the bending section of the handle on the cover plate The inner side is press-fitted; the pulling plate is located between the two pressing plates. The pulling plate is provided with a hook hole and a handle pushing part. The hook hole is used for hooking the hook of the tension meter. Push fit to drive the handle to move together when the tension gauge pulls the pulling plate; both the pulling plate and the two upper pressing plates are provided with a compressive elastic piece, and the compressing elastic piece exerts mutual influence on the pulling plate and the corresponding upper pressing plate. away from the elastic force, and the elastic force received by the two top pressure plates is the same, so that the pulling plate is in the middle position of the two top pressure plates. The problem that the pull hook of the tension meter in the prior art is not easy to be centered when hooking the hand-held section of the handle is solved.

Description

technical field [0001] The invention relates to a contact clamping force test auxiliary device for a fuse type isolating switch. Background technique [0002] For the fuse-type isolating switch, the internal resistance of the fuse cannot be greatly reduced because the fuse is required to quickly heat up and fuse when a fault current such as a short circuit passes through, so as to disconnect the circuit and ensure the safety of other equipment. In order to reduce the temperature rise of the fuse-type isolating switch, generally by increasing the size of its incoming and outgoing copper bars, adding ventilation and heat dissipation holes on its shell, increasing the contact area between the fuse core and the contacts, and increasing the clamping force of the contacts. The above method of increasing the contact clamping force can reduce the contact resistance between the contact and the fuse core, thereby reducing the heat generation. The contact clamping force test can refle...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L5/00
CPCG01L5/00
Inventor 韩增新彭云李科帅李新新苏文玉谷许磊王湘涛黄文静雷磊张丽娜温培科常琨璘周非非王豪东张号徐健男余顺行马晨晨
Owner STATE GRID CORP OF CHINA
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