Heat insulation type wire insulation shield

A wire insulation and shielding cover technology, which is applied in the direction of insulated cables, insulated conductors, conductors, etc., can solve the problem that ordinary wire insulation shielding covers cannot meet the needs of live work on grounding pole lines, and achieve isolation from the influence of insulating materials and operators , Reinforced stability, easy installation

Active Publication Date: 2015-07-15
国网河南省电力公司超高压公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Live work on distribution lines requires insulation and shielding of the live body and grounding body in the work area, while grounding electrode lines need to consider the impact of high-temperature wires on insulation and shielding equipment. Ordinary wire insulation shields cannot meet the needs of live work on grounding electrode lines

Method used

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  • Heat insulation type wire insulation shield
  • Heat insulation type wire insulation shield
  • Heat insulation type wire insulation shield

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Such as Figure 1 to Figure 4 As shown, a heat-insulating wire insulation shield adopts a double-layer shielding structure and consists of two parts: a heat insulation layer 1 and an insulation layer 6 . The heat-insulating layer is made of heat-resistant resin, and mainly includes heat-insulating layer 1, anti-slip mat 2, heat-resistant connecting block 3, lifting hole 4 and other components. Anti-skid pads 2 are provided on the left and right sides of the inside of the shield to prevent the shield from sliding arbitrarily after it is installed. There is a lifting hole on the outside of the shielding cover, which is used for dismantling the insulating operating rod for live work. The heat-resistant connecting block 3 is used as the connection between the heat insulating layer 1 and the insulating layer 6 . The insulating layer 6 is processed by insulating resin, and mainly includes the insulating layer 6, the lifting hole, the slide rail 7, the insulating extension l...

Embodiment 2

[0024] A heat-insulating wire insulation shielding cover, the shielding cover adopts a double-layer shielding structure, the inner layer is a heat insulating layer 1, and the outer layer is an insulating layer 6; the inner layer and the outer layer are connected by a connecting block 3; the connecting block is an Heat-resistant and flame-retardant connection block; both ends of the shielding cover are provided with installation chute, and the chute is connected with other shielding covers; lifting holes 4 are set on the insulating layer and the heat insulating layer, and the hole diameter of the lifting hole is the same as the diameter of the insulating operating rod. Compatible; the heat insulation layer is made of heat insulation and flame retardant material, which is a hollow cylinder structure, and the wire entry is set under the heat insulation layer; the anti-skid pad 2 is set on the inside of the heat insulation layer; The upper end of the insulating layer is provided wi...

Embodiment 3

[0028] A heat-insulating wire insulation shielding cover, which differs from Embodiments 1 and 2 in that, on the basis of the surface of the insulating layer in Embodiment 1 or the surface of the waterproof layer in Embodiment 2, a coating layer can be provided on the outermost surface, The ready-to-use coating material evenly covers the outer surface. The coating material mainly includes polypropylene coating material, which can effectively improve the fullness, gloss, wear resistance and aging resistance of the outer surface of the mask, making it smooth and beautiful.

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Abstract

The invention discloses a heat insulation type wire insulation shield. The shield is of a double-layer shielding structure, the inner layer is a heat insulation layer, and the outer layer is an insulation layer; the inner layer and the outer layer are connected through a connecting block; the connecting block is a heat-resistant flame-retardant connecting block; installation chutes are formed in the two ends of the shield and connected with other shields in a matched mode; lifting holes are formed in the insulation layer and the heat insulation layer; the heat insulation layer is made of a heat insulation flame-retardant material; an anti-skidding pad is arranged on the inner side of the heat insulation layer; the connecting block is arranged on the outer side of the heat insulation layer and a sliding block is arranged at the upper end of the connecting block. The heat insulation type wire insulation shield can be used for achieving the wire insulation shielding function in the direct current grounding electrode circuit hot-line work process, the influences of the high temperature of wires on the insulation material and operation personnel are effectively eliminated, and the insulation protective effect is achieved.

Description

technical field [0001] The invention relates to an insulating shield, in particular to a heat-insulating wire insulating shield. Background technique [0002] The DC ground electrode line is an important part of the DC transmission system. It mainly undertakes the circulation of the system current during the unipolar operation of the DC transmission system and the unbalanced current during the bipolar operation. During unipolar operation, the current flowing through it is as high as thousands of amperes, so the grounding electrode line must use heat-resistant wire as the carrier. At the same time, the maximum operating voltage of the ground electrode line does not exceed 10kV, which is similar to the distribution line. The overvoltage of the DC grounding electrode line is relatively low, generally not exceeding 35kV. The tower head clearance is designed according to the 35kV system, and the tower body structure is designed according to the 220kV line. Considering that ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/17H01B7/29H01B7/02H01B7/295H01B7/282H01B7/18H01B7/28
CPCY02A30/14
Inventor 陶留海唐盼杨朝锋张建辉李忠民刘凯肖斌彭勇高嵩崔磊郭栋孙惠涛刘阔赵龙樊建军李雪奎尹飞
Owner 国网河南省电力公司超高压公司
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