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V-shaped damping-wire clamp damping wire

A technology of damping wires and wire clips, which is applied in the field of damping wires, can solve problems such as the complexity of anti-vibration devices, achieve the effects of easy installation and maintenance, improved frequency response characteristics, and avoid damage or broken strands

Active Publication Date: 2016-06-29
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, anti-vibration devices for large-span ground wires are usually more complicated and require special research and design

Method used

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  • V-shaped damping-wire clamp damping wire
  • V-shaped damping-wire clamp damping wire
  • V-shaped damping-wire clamp damping wire

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] The first damping clamp 1 is installed on the overhead line 2 at a distance of 1m from the outlet of the tension clamp. The damping clamp 1 is suspended on the overhead line 2 through the clamp chuck 110, and the clamp cover 103 passes through the barrier. The pin 107 is tightly locked on the overhead line 2; the second damping line clamp 1 and the first damping line clamp 1 are installed symmetrically on the opposite side, that is, the line between the first damping line clamp 1 and the second damping line clamp 1 Clamp two 111 are respectively located on both sides of the overhead line 2, in this way, install the third V-shaped damping line clamp 1, the fourth V-shaped damping line clamp 1, etc.; finally, install the damping line 3 on the line clamp In the collet 111, the clamp gland two 105 is locked with the retaining pin 107.

Embodiment 2

[0053] The first damping clamp 1 is installed on the overhead line 2 at a distance of 1m from the outlet of the tension clamp. The damping clamp 1 is suspended on the overhead line 2 through the clamp chuck 110, and the clamp cover 103 passes through the barrier. The pin 107 is tightly locked on the overhead line 2; the second damping line clamp 1 is symmetrically installed on the same side as the first damping line clamp 1, that is, the line between the first damping line clamp 1 and the second damping line clamp 1 Clamp two 111 are located on the same side of the overhead line 2, in this way, install the third V-shaped damping line clamp 1, the fourth V-shaped damping line clamp 1, etc.; finally, install the damping line 3 on the line clamp In the collet 111, the clamp gland two 105 is locked with the retaining pin 107.

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Abstract

The invention provides a V-shaped damping-wire clamp damping wire, and the damping wire is used for preventing a large-span and high-tension overhead line in a large-span overhead line from vibrating because of breeze. The improvement lies in that the damping wire comprises damping-wire clamps disposed on the overhead line at intervals; and the damping wires are disposed between the damping-wire clamps. Compared with the prior art, the damping wire achieves the stable holding of a wire, and protects the wire from being damaged or broken because of overlarge pressure. The damping wire can meet the requirements for the low-frequency, intermediate-frequency and high-frequency vibration prevention of a wire / ground line / OPGW in 35kV power transmission line, especially a UHV transmission line. The damping wire is wide in range of vibration prevention frequency, remarkably reduces the energy consumption, and is outstanding in vibration prevention effect.

Description

technical field [0001] The invention relates to a damping wire, in particular to a V-shaped damping wire clamp damping wire used for preventing overhead power transmission line conductors / ground wires / OPGW from breeze vibration. Background technique [0002] Breeze vibration is one of the important factors that threaten the safe operation of UHV transmission lines, and it is a problem that line design, construction and operation management departments must attach great importance to. Long-term breeze vibration can easily lead to damage or even failure of various components of the transmission line (ground wire, fittings, etc.), which seriously threatens the safe operation of the transmission line. Therefore, effective measures must be taken to prevent and control the breeze vibration of the guide (ground) wire and OPGW. The anti-vibration of the guide (ground) wire and OPGW is usually based on factors such as vibration form, mechanism, vibration characteristics, etc., and a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02G7/14H02G7/08
Inventor 王景朝高渊尹泉万建成齐翼曹道珍刘臻
Owner STATE GRID CORP OF CHINA
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