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Construction method of carbon fiber composite core wire

A construction method and carbon fiber technology, applied in the direction of overhead lines/cable equipment, etc., can solve the problems of shrinkage of carbon fiber composite mandrel, damage of outer aluminum strands, relaxation of aluminum strands of conductors, etc., to reduce damage, ensure project quality, and solve problems. The effect of overhead line dropping

Inactive Publication Date: 2021-01-29
STATE GRID HENAN ELECTRIC ZHOUKOU POWER SUPPLY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The above methods can improve the efficiency of construction to a certain extent, but when used for carbon fiber composite core conductors, during the construction process, the phenomenon of carbon fiber composite mandrel shrinkage, conductor aluminum strand relaxation, and outer layer aluminum strand damage is prone to occur.

Method used

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  • Construction method of carbon fiber composite core wire
  • Construction method of carbon fiber composite core wire

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] This embodiment provides a construction method for a carbon fiber composite core conductor, comprising the following steps:

[0036] S1: Conductor tension pay-off: Tension pay-off is in a selected pay-off area, according to the length of the wire and the length of the tension section, the wire reel is dispersed and transported to the location selected for the wiring, and the tension machine, Traction machine, under the condition that the tension machine applies a certain tension, the traction machine spreads the wires through the traction rope. According to the number of wires in each item, it can be divided into one pull one, one pull two, one pull four, one pull There are six methods of traction; divided into: a, traction field, tension field machinery and equipment entering the field; b, unfolding the traction rope; c, unfolding the traction rope; d, under the action of stretching equipment, through the traction rope Tension pay-off;

[0037] S2: wire tightening: te...

Embodiment 2

[0049] This embodiment provides the layout of the traction field in Embodiment 1 (such as figure 1 ) and the arrangement of the tension field (such as figure 2 ).

[0050] Towing Field Operation Procedures:

[0051] 1. Wind the traction rope around the traction wheel as required.

[0052] 2. Start the traction machine and slowly retract the traction rope to release the anchor.

[0053] 3. When changing discs, the tail of the traction rope should be anchored first, and then the anti-bending connector should be released.

[0054] 4. Use a crane to lower the traction rope reel, replace it with an empty reel, and fix it.

[0055] 5. The traction is ready, and the traction is commanded by the tension field, otherwise the traction is not allowed.

[0056] 6. When the wire is pulled to the traction field, it should be anchored in time.

[0057] 7. When the wire is finished, if it is necessary to turn around, a certain distance should be left after the turn to facilitate the op...

Embodiment 3

[0085] This application provides a construction method for carbon fiber composite core conductors, which is an improvement on the basis of Example 2: the sequence of tightening the wires in step S2 is: first the middle phase, then the second phase; the length of the incoming wire matches the length of the unwinding wire. Tighten the whole line in the same direction, slowly tighten the sub-conductor, and when the anchorage wire at the operation end is not stressed, stop the traction, and remove the anchorage at the wire end from the wire. Continue to tighten the sub-conductor, pay attention to tighten the sub-conductor symmetrically, and keep the force balance of the pay-off block. After the sag adjustment of each gear meets the requirements, stop traction. Restore the line end of the operation end to the anchor, tighten the lever block, loosen the twisted rope, and remove the tools of the traction system. Use the hand lever hoist near the anchor to fine-tune the sag of the su...

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Abstract

The invention provides a construction method of a carbon fiber composite core wire, and belongs to the technical field of carbon fiber composite core wires. The construction method comprises the following steps: S1, performing tension pay-off on the wire: a, enabling a traction field and a tension field machine tool to enter the field in place; b, unfolding a traction rope; c, unfolding a pullingrope; d, under the action of stretching equipment, performing tension pay-off through the traction rope; S2, tightening the wire: temporarily anchoring the wire, and then connecting or continuing thewire; and S3, performing balanced wire hanging: drawing marks, and performing balanced wire hanging. The steps of paying off, tightening, hanging and the like in the construction process of the carbonfiber composite core wire are optimized and improved, and effective technical guarantee is provided for large-area application and popularization of the novel composite material wire in the future.

Description

technical field [0001] The invention relates to the technical field of carbon fiber composite core conductors, in particular to a construction method for carbon fiber composite core conductors. Background technique [0002] Carbon fiber composite core wire has excellent properties such as high strength, high conductivity, large current carrying capacity, small linear expansion coefficient, small sag, and light weight. Applying it to new transmission and distribution lines can reduce the number and height of poles and towers, and can save land for line corridors to the greatest extent, thereby reducing the comprehensive cost of transmission and distribution lines, saving land resources, and protecting the ecological environment. For the expansion and transformation of existing transmission lines, the carbon fiber composite core conductor can also be directly replaced by the traditional ordinary steel-cored aluminum stranded wire to achieve expansion without changing the exist...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02G1/04
CPCH02G1/04
Inventor 姜鹏博魏小宁刘庆贺李沛霖刘阳张兰云
Owner STATE GRID HENAN ELECTRIC ZHOUKOU POWER SUPPLY
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