Lightning arrester core winding device and winding method

A technology of winding device and lightning arrester, which is applied in the direction of overvoltage protection resistors, manufacturing encapsulation/housing resistors, varistors, etc. It can solve problems such as explosion, poor contact of resistor sheets, and easy gaps in resistor sheets, so as to avoid Effects of explosion, solving poor contact, and improving strength

Pending Publication Date: 2020-04-28
宜昌恒源科技有限公司
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Problems solved by technology

[0002] The core body of the arrester includes an intermediate body composed of multiple resistance sheets arranged in sequence, electrode sheets are respectively arranged at both ends of the intermediate body, and a multi-layer epoxy resin-impregnated glass fiber tape is spirally wound outside the intermediate body and the electrode sheet. The winding angle of the glass fiber tape is about 60~90 degree

Method used

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  • Lightning arrester core winding device and winding method
  • Lightning arrester core winding device and winding method
  • Lightning arrester core winding device and winding method

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[0020] Such as Figure 1 to 5 As shown, a lightning arrester core winding device includes a low-speed braiding machine 2. The braiding machine 2 includes a frame 22, a spindle 23, and a core tube 21. Each spindle 23 is wound with a glass fiber tape roll impregnated with epoxy resin , A limit mechanism 3, a damping mechanism 4 and a cutting device 6 are sequentially arranged on the side of the braiding machine 2;

[0021] The limiting mechanism 3 includes a first bracket 33. A first tube 32 is provided in the first bracket 33. One side of the first tube 32 is fixedly connected to the limiting ring 31, and the core tube 21 passes through the arrester core 7 and passes through the limit. After the retaining ring 31 enters the first pipe 32, the distance between the retaining ring 31 and the core tube 21 is smaller than the thickness of the arrester core 7 resistor;

[0022] The damping mechanism 4 includes a frame 41. Four sheaves 43 are provided in the frame 41. Each sheave 43 is co...

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Abstract

The invention discloses a lightning arrester core winding device and a winding method. The lightning arrester core winding device comprises a braiding machine, wherein the braiding machine comprises amachine frame, a spindle and a core pipe and a limiting mechanism, a damping mechanism and a cutting device are sequentially arranged on one side of the braiding machine; the limiting mechanism comprises a first support, a first guide pipe is arranged in the first support, one side of the first guide pipe is fixedly connected with a limiting ring, and the core pipe penetrates out of a lightning arrester core, penetrates through the limiting ring and then enters the first guide pipe; and the damping mechanism comprises a frame, a plurality of grooved pulleys are arranged in the frame, each grooved pulley is connected with the frame through an elastic mechanism, and each elastic mechanism pushes the corresponding grooved pulley in different directions to abut against the lightning arrestercore. According to the invention, the existing radial spiral winding glass fiber belt is changed into a net pipe-shaped winding glass fiber belt, so that axial tension and pressure relief grid holes are provided for the lightning arrester core, the mechanical strength of the lightning arrester is improved, and the explosion of the lightning arrester is prevented.

Description

technical field [0001] The invention relates to a lightning arrester core winding device and winding method. Background technique [0002] The core body of the arrester includes an intermediate body composed of multiple resistance sheets arranged in sequence, electrode sheets are respectively arranged at both ends of the intermediate body, and a multi-layer epoxy resin-impregnated glass fiber tape is spirally wound outside the intermediate body and the electrode sheet. The winding angle of the glass fiber tape is about 60~90 degrees. The disadvantages of this winding form are: on the one hand, the resistors have no axial tension force, so when the arrester is overheated and expanded and cooled, gaps are likely to appear between the resistors, making the Poor contact between resistor sheets or explosion occurs. On the other hand, the overall mechanical strength of the arrester with radial spiral wound core needs to be further improved. Contents of the invention [0003] Th...

Claims

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Application Information

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IPC IPC(8): H01C7/12H01C17/02
CPCH01C7/12H01C17/02
Inventor 魏邦钦李勇魏明彭红枚陈萍
Owner 宜昌恒源科技有限公司
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