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Handle for oil-immersed fuse

A fuse, oil-immersed technology, applied in the handle field of oil-immersed fuses, can solve problems such as fire and explosion, and achieve the effect of ensuring full sealing

Active Publication Date: 2013-12-25
上海电器陶瓷厂有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During long-term use, no oil is allowed inside the fuse, otherwise explosion and serious fire may occur when the fuse operates

Method used

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  • Handle for oil-immersed fuse
  • Handle for oil-immersed fuse

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Embodiment Construction

[0016] In order to better understand the technical solutions of the present invention, detailed descriptions are given below through specific embodiments and in conjunction with the accompanying drawings.

[0017] see figure 1 and figure 2 , the handle for the oil-immersed fuse of the present invention includes a handle 1, a sealing cover 2 and a pull rod 3 connected in sequence, and also includes a linkage mechanism; wherein:

[0018] The handle 1, the sealing cover 2 and the tie rod 3 are integrally formed by unsaturated polyester resin through vacuum die casting;

[0019] The axial center of the handle 1 and the sealing cover 2 is provided with a second-level stepped inner hole 10 with a small front and a large rear;

[0020] The pull rod 3 includes a large connecting rod 31 eccentrically connected with the handle 1 and the sealing cover 2 and a large cylindrical head 32 connected to the front end of the large connecting rod 31 and coaxial with the pulling handle 1 and t...

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Abstract

The invention discloses a handle of an oil-immersed fuse. The handle has the functions of moving timely and triggering a signal output device when the fuse moves. The handle comprises a handle body, a sealing cover, a pull rod and a linkage mechanism, wherein the handle body, the sealing cover, the pull rod and the linkage mechanism are sequentially connected. The pull rod comprises a large cylindrical head and a large connecting rod, the linkage mechanism comprises a small connecting rod, a front limiting screw and a rear limiting screw, the front end and the rear end of the small connecting rod are respectively provided with a flange on the radial side, the thickness of each flange is smaller than the width of a groove in the large connecting rod, the two flanges are respectively and axially provided with a thread through hole, the small connecting rod is arranged parallel with the large connecting rod in an axial moving mode, the screw head of the front limiting screw is located in a front inner hole of the large cylindrical head, the rod portion of the front limiting screw is inserted in a rear inner hole of the large cylindrical head in a movable mode and is in threaded connection with the thread through hole of the flange at the front end of the small connecting rod, the screw head of the rear limiting screw is located in a middle inner hole in handle body and in a middle inner hole of the sealing cover, and the rod portion of the rear limiting screw is inserted into a front inner hole of the handle and in a front inner hole of the sealing cover in a movable mode and is in threaded connection with the thread through hole of the flange at the rear end of the small connecting rod.

Description

technical field [0001] The invention relates to a handle for an oil-immersed fuse. Background technique [0002] Oil-immersed high-voltage fuses are widely used in wind power generation systems. The monitoring station of the wind power generation system is generally far away from the wind farm. Generally, the oil-immersed fuse has no signal output after the action, so that the monitoring station of the wind power generation system cannot detect and disconnect the three-phase circuit in time, so that the circuit runs without phase. , increasing security risks and maintenance costs. In addition, oil-immersed high-voltage fuses have extremely high requirements for oil tightness. During long-term use, oil is not allowed inside the fuse, otherwise, when the fuse is activated, explosion and serious fire may occur. SUMMARY OF THE INVENTION [0003] The purpose of the present invention is to overcome the defects of the prior art and provide a handle for an oil-immersed fuse, wh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H85/30
Inventor 王碧云钱勇杰杨立虹何灵均
Owner 上海电器陶瓷厂有限公司
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