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Cable joint reinforcing device

A cable joint and reinforcement technology, applied in the direction of cable joints, etc., can solve the problems of cable intermediate joint failure, burnt cable safety, hidden dangers, etc., and achieve the effect of simple processing and production, easy operation and maintenance, and convenient processing

Active Publication Date: 2017-08-29
YANGZHOU JIANGDU POWER SUPPLY COMPANY OF JIANGSU ELECTRIC POWER +2
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AI Technical Summary

Problems solved by technology

However, due to the influence of construction technology, operating environment and other factors, the middle joint of the cable is more prone to failure, and 90% of the cable failures are caused by the failure of the middle joint.
When an explosion occurs when the middle joint of the cable fails, there will be strong heat and impact, which will often burn out adjacent cables or cause safety hazards to the surrounding environment, causing secondary failures and causing greater losses

Method used

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Embodiment Construction

[0029] The present invention as Figure 1-6 As shown, it includes a protection tube 1, an explosion-proof tube 2, a heat-shrinkable sealing cap 3, a reinforcement assembly and a pair of heat-shrinkable sheaths 4. The explosion-proof tube 2 communicates with the protection tube and is arranged at the center of the protection tube. The sealing cap 3 is set on the nozzle of the explosion-proof pipe,

[0030] The reinforcing assembly is arranged on the cable 5 and is located in the protection tube. The reinforcing assembly includes a pair of symmetrically arranged reinforcing groups 7, and a pair of reinforcing groups are located on both sides of the explosion-proof tube. The reinforcing group includes Several retaining rings 71, springs 72 are arranged between adjacent retaining rings; springs are arranged between adjacent retaining rings, so that the retaining rings can be dispersed (that is, some retaining rings can contact the bottom of the protective tube, and some retaining ...

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Abstract

The invention relates to a cable joint reinforcing device, and provides a cable joint reinforcing device with a simple structure, convenient installation and improved safety. The cable joint reinforcing device comprises a protective tube, an explosion-proof tube, a heat-shrinkable sealing cap, a reinforcing component and a pair of heat-shrinkable sheaths, wherein the explosion-proof tube is communicated with the protective tube and is arranged in the center of the protective tube, the heat-shrinkable sealing cap is sleeved at the tube opening of the explosion-proof tube, the reinforcing component is arranged on a cable and is located in the protective tube, the reinforcing component comprises a pair of symmetrically-arranged reinforcing groups, the pair of reinforcing groups are located on two sides of the explosion-proof tube, each reinforcing group comprises a plurality of baffle rings, and a spring is arranged between the adjacent baffle rings; the pair of heat-shrinkable sheaths are separately arranged at the tube openings at two ends of the protective tube, and the heat-shrinkable sheaths are separately sleeved on the protective tube and the cable. The cable joint reinforcing device disclosed by the invention is convenient to process and low in cost.

Description

technical field [0001] The invention relates to the field of electrical safety, in particular to a reinforcing device for cable joints. Background technique [0002] With the improvement of urban construction and development level, cable lines are more and more used in medium and low voltage power supply networks due to their excellent characteristics of reliable power supply and concealed laying. When the cable has a long power supply distance, cable connectors are often used for line connection. However, due to the influence of construction technology, operating environment and other factors, the intermediate joints of cables are more prone to failures, and 90% of cable failures are caused by intermediate joints. When an explosion occurs when the middle joint of the cable fails, there will be strong heat and impact, which will often burn out adjacent cables or cause safety hazards to the surrounding environment, causing secondary failures and causing greater losses. Con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02G15/18
CPCH02G15/18
Inventor 万军张凯杨伯乐徐荟顾蓓殷远东曹叶章耿文逸戴云顺施展
Owner YANGZHOU JIANGDU POWER SUPPLY COMPANY OF JIANGSU ELECTRIC POWER
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