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High-voltage cable joint protection device

A protection device and high-voltage cable technology, which is applied in the direction of cable joints and electrical components, can solve the problems of inconvenient on-site use, poor sealing of the protection box, and reduced work efficiency of the staff, so as to achieve strong on-site applicability and improve work efficiency.

Active Publication Date: 2022-01-14
国网河南省电力公司新安县供电公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The high-voltage cable is an important part of the power system. Due to the limited transportation conditions, the high-voltage cable is in the form of a reel. When the high-voltage cable is laid for a long length, it is necessary to use the cable intermediate joint for connection, and the cable joint is the most important part of the cable line. The weak link, so the cable joint protection box is generally used to protect the cable joint. The existing protection box needs to choose a double-way or a three-way protection box according to the construction site conditions. At the same time, the cable joint forms are different, and different protection boxes are carried. Reduce the work efficiency of the staff. At the same time, the general protective box has poor sealing performance. Water and dust can easily enter the protective box, which is prone to safety hazards and is not convenient for on-site use.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Such as Figure 1 to Figure 6 As shown, a high-voltage cable joint protection device according to the present invention adopts a technical solution that includes a protective shell 1 and a protective cover 2, and shell fastening plates 102 are provided on both sides of the upper edge of the protective shell 1 , the two sides of the edge of the protective cover 2 are provided with cover body fastening plates 201, and the edge of the protective shell 1 is provided with a plurality of sections of shell sealing rings 105, and the protective shell 1 and the protective cover 2 are detachably connected. A first joint seat 101 is provided on one side of the protective case 1, and a replacement slot 104 is opened on the other side of the protective case 1, and the inner side of the replacement slot 104 can be plugged with a joint seat assembly 3 for replacement. Component 3 is used to coordinate and fix single or multiple high-voltage cable heads. The protective shell 1 and prot...

Embodiment 2

[0035] Such as Figure 7 and 8 As shown, the difference from Embodiment 1 is that two symmetrically arranged joints 306 are connected to the outside of the replacement plate 301, and the outside of the joints 306 is fixed with a clamp to form a three-way protective box. Seat assembly 3 is suitable for tee joint form.

Embodiment 3

[0037] Such as Figure 9 As shown, the difference from Embodiment 1 is that a connecting seat 307 is provided on the outer edge of the connector 306, and the connecting seat 307 is connected to the cable connector through bolts, so that the protective box device is suitable for cables with bolted connectors.

[0038] When in use: the staff carries the protective shell 1, the protective cover 2 and different joint seat assemblies 3 to the construction site, selects the joint seat assembly 3 according to the number of on-site cable joints and the form of the joint seat, and passes the joint seat assembly 3 through the replacement slot 104 and The protective shell 1 is sealed and connected, and the sealed cable is installed in place. Select the clamp or cable connector to fix the cable sheath. Cover the protective cover 2 and fix it with screws. The shell sealing ring 105 and the replacement plate sealing ring 303 ensure the protection of the cable joint. The box body is sealed a...

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Abstract

The invention relates to a high-voltage cable joint protection device. According to the technical scheme, the device comprises a protection shell and a protection cover, the edge of the protection shell is provided with a plurality of shell sealing rings, the protection shell is detachably connected with the protection cover, one side of the protection shell is provided with a first connector base, the other side of the protection shell is provided with a replacement groove, and a connector base assembly is inserted into the inner side of the replacement groove in a replaceable mode. The joint protection device has the beneficial effects that the protection shell and the protection cover achieve two-way or three-way cable fixing protection by replacing different connector base assemblies, the connector base assemblies are selected according to the number of field cable connectors and the mode of connector bases, and cable sheaths can be fixed through clamps or cable connectors; different types of cables are fixed through different connector connecting seats, the shell sealing ring and the replacement plate sealing ring ensure that the cable connector protection box body is sealed, waterproof and dustproof, the field applicability is high, different types of protection boxes do not need to be carried, and the field working efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of electric power construction auxiliary equipment, and relates to a high-voltage cable joint protection device. Background technique [0002] The high-voltage cable is an important part of the power system. Due to the limited transportation conditions, the high-voltage cable is in the form of a reel. When the high-voltage cable is laid for a long length, it is necessary to use the cable intermediate joint for connection, and the cable joint is the most important part of the cable line. The weak link, so the cable joint protection box is generally used to protect the cable joint. The existing protection box needs to choose a double-way or a three-way protection box according to the construction site conditions. At the same time, the cable joint forms are different, and different protection boxes are carried. The work efficiency of the staff is reduced, and at the same time, the general protective box has poo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02G15/10H02G15/16H02G3/08H02G3/10H02G3/16
CPCH02G15/10H02G15/16H02G3/08H02G3/081H02G3/088H02G3/16H02G3/10Y02T10/70
Inventor 孔凡龙贾雪蒙付荣樊立凤曹光富党超锋李楠樊毅孟东杰武麦花付潭
Owner 国网河南省电力公司新安县供电公司
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