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Telescopic spacer

A spacer and telescopic technology, which is applied in the direction of the device for maintaining the distance between parallel conductors and the mechanical vibration attenuation device, etc., can solve the problems of installation, inconvenient use, non-adjustable length, and increased cost, so as to reduce specifications and models and reduce costs , Ease of use

Inactive Publication Date: 2016-06-08
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The spacer includes the intermediate connecting rod and the clamps at both ends of the connecting rod. The disadvantage is that the intermediate connecting rod is a whole rod, and the length cannot be adjusted. Spacers with different lengths of the intermediate connecting rod are required, which is inconvenient to install and use, and increases the cost.

Method used

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  • Telescopic spacer

Examples

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Embodiment Construction

[0010] see figure 1 , the names of the parts are as follows: chuck head 1, pin 2, pin hole 3, a section of pipe body 6, and a section of insert rod 7.

[0011] see figure 1 , a telescopic spacer, including the middle connecting rod and the thread grippers 1 at both ends of the middle connecting rod, the middle connecting rod is a telescopic rod structure, and a plurality of positioning pin holes for inserting pins 2 or bolts are arranged at intervals on the telescopic rod 3. The middle connecting rod is a telescoping rod composed of a section of pipe body 6 and a section of insertion rod 7 whose end is inserted into pipe body 6 .

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Abstract

The invention relates to a component of a power transmission line system, especially to an anti-oscillation anti-binding anti-whipping telescopic spacer for a high-voltage transmission line. The spacer comprises an intermediate connecting rod and wire-capturing clamp heads arranged at the two ends of the intermediate connecting rod. The intermediate connecting rod has a telescopic structure; and a plurality of positioning pin holes for insertion of pins or bolts are formed in the telescopic rod at intervals. The intermediate connecting rod of the spacer is a telescopic rod whose length can not be adjusted and positioning is realized by the pins or bolts, so that adaptation to distances between different leads can be realized, the specification types can be reduced, and the cost can be lowered. Besides, the spacer can be installed and used conveniently.

Description

[0001] technical field [0002] The invention relates to a power transmission line system component, that is, a telescopic spacer bar for preventing galloping, adhesion, and whiplash of a high-voltage transmission line. Background technique [0003] In the prior art, after the load current is increased for the high-voltage transmission line, sub-wire adhesion and whipping frequently occur in the double conductor and the split conductor line conductor, and the sag is reduced, causing insufficient distance to the ground. In order to ensure that the distance between the split wire harnesses remains unchanged to meet the electrical performance, reduce the surface potential gradient, and in the case of a short circuit, the electromagnetic force will not be generated between the wire harnesses, causing mutual attraction and collision, or even if the instantaneous attraction collision is caused, but after the accident is eliminated Promptly can return to normal state, thereby spacer...

Claims

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Application Information

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IPC IPC(8): H02G7/12H02G7/14
Inventor 刘明
Owner STATE GRID CORP OF CHINA
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