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Bouncing-prevention damping spacing rod

A spacer and anti-galling technology, applied in the direction of the device to maintain the distance between parallel conductors, can solve the problems of increased probability of galloping of split conductors, uneven icing, etc.

Active Publication Date: 2012-09-12
CENT SOUTHERN CHINA ELECTRIC POWER DESIGN INST CHINA POWER ENG CONSULTING GROUP CORP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the spacer bar prevents the wire from being freely twisted, and it is easy to form uneven icing, which greatly increases the probability of galloping of the split wire compared with the conventional single wire

Method used

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  • Bouncing-prevention damping spacing rod
  • Bouncing-prevention damping spacing rod
  • Bouncing-prevention damping spacing rod

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] figure 1 Shown is a schematic diagram of the assembly of the damping spacer rods disclosed in the present invention in a six-split wire transmission line.

[0028] The anti-galling damping spacer provided in the present invention includes: a rotatable wire clamp 1 , an ordinary wire clamp 2 , and a double-plate body frame 3 . The device includes three rotatable wire clamps 1 and three common wire clamps 2, which are evenly distributed on the six ends of the hexagonal body frame 3. The rotatable line clamp 1 is located on the hexagonal end point on the windward side, and the common line clamp 2 is located on the hexagonal end point on the leeward side. The connection part between the rotatable wire clip 1 and the body frame 3 is the same as the connection part between the common wire clip 2 and the body frame 3 .

[0029] Compared with the existing spacer, the anti-galling damping spacer provided by the present invention does not change the connection form between the ...

Embodiment 2

[0033] Such as image 3 As shown, the assembly diagram of the damping spacer rod disclosed in the present invention in the four-split wire transmission line.

[0034] The anti-flapping damping spacer provided in this embodiment includes: a rotatable wire clamp 1 and a double-plate body frame 2 . The device includes four rotatable clamps 1, which are evenly distributed on the four ends of the regular quadrilateral body frame 2.

[0035] The structure of the rotatable wire clamp in this embodiment is the same as that in Embodiment 1, and will not be described here again. Compared with the first embodiment, all the wire clips in this embodiment are rotatable wire clips, which can better suppress galloping.

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PUM

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Abstract

The embodiment of the invention discloses a bouncing-prevention damping spacing rod, comprising a body frame and a wire clamp connected on the body frame; the wire clamp at least comprises a rotation wire clamp, the rotation wire clamp comprises an outer wire clamp connected with the body frame and an inner wire clamp which is wrapped in the outer wire clamp and is provided with chloroprene rubber at inner side, the inner wire clamp is axially fixed in the outer wire clamp and rotates freely by taking the central axis of the outer wire clamp as the shaft; the bouncing-prevention damping spacing rod in the invention has the advantages that: the rotation inner wire clamp is adopted to be axially fixed in the outer wire clamp, a hoop free-rotation structure leads a lead wire to rotate freely, so as to prevent bouncing; in addition, the rotation part is hard to break down owning to effect of the environment, so as to ensure the working reliability of the damping spacing rod; the connecting type of the wire clamp and the frame is consistent to the common type thereof at home, therefore, no special tool is needed for installation.

Description

technical field [0001] The invention relates to power transmission line equipment, in particular to an anti-galling damping spacer. Background technique [0002] The galloping of transmission line conductors refers to the large-scale low-frequency vibration phenomenon caused by the asymmetric ice-coated conductors of transmission lines under certain climatic conditions and under the action of transverse wind. Galloping of transmission line conductors is an important factor that threatens the safe operation of high-voltage transmission lines. Galloping damages the transmission line, causing phase-to-phase flash tripping and arc burns. Due to galloping, the wire itself, connecting parts, and iron towers all bear large dynamic loads. When the load exceeds a certain limit, the wires, iron towers, insulator strings and There will be serious damage to the connected parts. There have been large-scale power outages in various parts of our country caused by short-circuit of transmi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02G7/12
Inventor 孙昕陈海波郑永平王钢高选赵全江李翔吴庆华李三马凌王景朝朱宽军刘胜春刘臻万建成袁俊郑怀青
Owner CENT SOUTHERN CHINA ELECTRIC POWER DESIGN INST CHINA POWER ENG CONSULTING GROUP CORP
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