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Combined structure of suspension insulator string and strain clamp and construction method thereof

A technology of hanging insulators and strain clamps, which is applied in the direction of overhead lines/cable equipment, mechanical vibration attenuation devices, etc., can solve problems such as conductor vibration fatigue, threats to the safe operation of transmission lines, and broken strands, achieving extended operating life, Effects of reducing vibration damage and improving conductor stress

Active Publication Date: 2012-05-09
STATE GRID ZHEJIANG ELECTRIC POWER CO LTD SHAOXING POWER SUPPLY CO +1
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AI Technical Summary

Problems solved by technology

For a long time, the straight towers of transmission lines have been connected in series with boat-shaped suspension clamps and suspension insulators. However, in the iron towers that cross rivers and canyons, the wires are subject to complex stress superposition, vibration fatigue, and serious threats of broken strands. Safe operation of transmission lines

Method used

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  • Combined structure of suspension insulator string and strain clamp and construction method thereof
  • Combined structure of suspension insulator string and strain clamp and construction method thereof
  • Combined structure of suspension insulator string and strain clamp and construction method thereof

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Embodiment Construction

[0011] Such as figure 1 , figure 2 The combination structure of a suspension insulator string and a tension clamp shown is installed on the cross-arm head 1 of the straight tower, and two suspension composite insulators 2 are suspended on the straight tower cross-arm head 1, and the suspension composite insulator 2 The bowl head hanging plate 3 is connected to the first connecting plate 4; the first connecting plate 4 is connected to the second connecting plate 6 through the first Z-shaped hanging plate 5; and the first connecting plate 4 and the second connecting plate 6 are arranged perpendicular to each other ; The left and right eyeholes on the lower side of the second connecting plate 6 are respectively connected to the third connecting plate 8 through the second Z-shaped hanging plate 7; A wire 10 is installed in the clip 9 . The above structure has simple connection and convenient operation, and can be operated synchronously with two wires during installation.

[00...

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Abstract

The invention discloses a combined structure of a suspension insulator string and a strain clamp and a construction method thereof. The combined structure of the suspension insulator string and the strain clamp is installed on a cross arm head of a linear tower, two suspension composite insulators are hung on the cross arm head of the linear tower, and the suspension composite insulators are connected with a first connecting plate by a hanging plate of a bowl head; the first connecting plate is connected with a second connecting plate by a first Z-shaped hanging plate; moreover, the first connecting plate and the second connecting plate are arranged in a mutually vertical way; the second connecting plate is also connected with a third connecting plate by a second Z-shaped hanging plate; and both sides of the third connecting plate are respectively connected with a wedge-shaped wire clamp, and conducting wires are installed in the wedge-shaped wire clamps. The combined structure of the suspension insulator string and the strain clamp and the construction method thereof disclosed by the invention are adopted on the linear tower, the stress of the conducting wires is favorably improved, and the vibratory injury of the conducting wires is greatly relieved, so that the running service life of the conducting wires of a power transmission line is prolonged.

Description

technical field [0001] The invention relates to a combined structure of a suspension insulator string and a strain clamp and a construction method thereof. Background technique [0002] With the rapid development of the local economy, the construction of the power grid is in full swing, and the new transmission lines are developing towards compact, multi-circuit, and large-capacity conductors. Due to environmental requirements, the height of transmission lines has increased, and higher requirements have been put forward for anti-vibration of wires on iron towers. For a long time, the straight towers of transmission lines have been connected in series with boat-shaped suspension clamps and suspension insulators. However, in the iron towers that cross rivers and canyons, the wires are subject to complex stress superposition, vibration fatigue, and serious threats of broken strands. Safe operation of transmission lines. Contents of the invention [0003] The purpose of th...

Claims

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Application Information

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IPC IPC(8): H02G7/14H02G1/02
Inventor 戚柏林丁自强张彤应剑烈
Owner STATE GRID ZHEJIANG ELECTRIC POWER CO LTD SHAOXING POWER SUPPLY CO
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