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Cable explosion-proof apparatus

An explosion-proof device and cable technology, applied in the installation of cables, cable joints, cable accessories, etc., can solve the problems of cable intermediate joint failure, burnt cable safety, hidden dangers, etc., and achieve simple processing, easy operation and maintenance, and convenient processing. Effect

Active Publication Date: 2017-10-24
YANGZHOU JIANGDU POWER SUPPLY COMPANY OF JIANGSU ELECTRIC POWER +3
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  • Abstract
  • Description
  • Claims
  • Application Information

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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  • Cable explosion-proof apparatus
  • Cable explosion-proof apparatus
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Embodiment Construction

[0028] The present invention as Figure 1-7 As shown, it includes a protection tube 1, an explosion-proof tube 2, a heat-shrinkable sealing cap 3, a reinforcement assembly 7 and a pair of heat-shrinkable sheaths 4, and the explosion-proof tube 2 communicates with the protection tube 1 and is arranged at the center of the protection tube. 4 heat-shrinkable sealing caps are set on the mouth of the explosion-proof tube,

[0029] The reinforcing assembly is arranged on the protection tube, and the reinforcing assembly includes a pair of symmetrically arranged reinforcing groups 7, a pair of reinforcing groups are located on both sides of the explosion-proof tube 2, and the reinforcing group includes several parallel arranged Baffle 70;

[0030] A pair of heat-shrinkable sheaths 4 are respectively provided at the two ends of the protective tube 1 , and the heat-shrinkable sheaths 4 are sheathed on the protective tube 1 and the cable 5 in turn.

[0031] During work, the cable 5 is...

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Abstract

The invention relates to a cable explosion-proof apparatus. The invention provides a cable explosion-proof apparatus, being simple in structure, being convenient to mount and improving the safety. The cable explosion-proof apparatus includes a protection tube, an explosion stack, a thermal shrinkage sealing cap, a reinforcing assembly and a pair of thermal shrinkage sheathes, wherein the explosion stack is communicated with the protection tube, and is arranged at the center of the protection tube; the thermal shrinkage sealing cap sleeves the orifice of the explosion stack; the reinforcing assembly is arranged on the protection tube, and includes a pair of symmetrically arranged reinforcing groups; the pair of reinforcing groups are arranged at two sides of the explosion stack; and the reinforcing groups include a plurality of parallel separation blades; the pair of shrinkage sheathes are respectively arranged at the orifices of two ends of the protection tube; and the shrinkage sheathes successively sleeve the protection tube and the cable. The cable explosion-proof apparatus is convenient to process and is low in cost.

Description

technical field [0001] The invention relates to the field of electrical safety, in particular to an explosion-proof device for a cable joint. 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....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02G15/18
CPCH02G15/18H02G15/1813
Inventor 张凯杨伯乐陈维荣徐荟毕超孙继富顾蓓万军曹叶章耿文逸戴云顺
Owner YANGZHOU JIANGDU POWER SUPPLY COMPANY OF JIANGSU ELECTRIC POWER
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