10KV flame-retardant cold-contraction cable accessory

Abstract

Disclosed is a 10KV flame-retardant cold-contraction cable accessory. The cable accessory comprises an indoor terminal, an outdoor terminal and a middle connector; each of the indoor terminal and theoutdoor terminal comprises a three-finger cold contraction insulating pipe, a cold contraction finger sleeve connected with the three-finger cold contraction insulating pipe, and a middle connector outer sheath connected with the cold contraction finger sleeve separately; three branches of a cable wire core pass through the three-finger cold contraction insulating pipe from the cold contraction finger sleeve; each three-finger cold contraction insulating pipe is sleeved with a skirt type expansion body; the parts, exposed from the three-finger cold contraction insulating pipe, of the top endsof the three branches of the cable wire core are sleeved with expansion sealing phase color tubes; the parts, exposed from the three-finger cold contraction insulating pipe, of the top ends of the three branches of the cable wire core are wound with semi-conductive bands; a winding type sealant is arranged in the connecting place between each expansion sealing phase color tube and the top end of each skirt type expansion body; the connecting place between the bottom end of each skirt type expansion body and the three-finger cold contraction insulating pipe is wound with the semi-conductive band; a cable semi-conductive layer, a copper shielding part and a flame retardant layer are arranged between the three branches of the cable wire core and the three-finger cold contraction insulating pipe; and the three-finger cold contraction insulating pipes, the cold contraction finger sleeve and the expansion sealing phase color tubes are all fireproof rubber.

Description

technical field [0001] The invention relates to the field of cable accessory preparation, in particular to a cable accessory suitable for 10KV. Background technique [0002] 10KV cold-shrinkable cable accessories are used in many fields. In most environments, it is only necessary to take waterproof measures. Therefore, flame-retardant materials are not used in the materials of general 10KV cold-shrinkable cable accessories. However, considering that there may be a fire in some environments, the general cable accessories cannot be used and need to be improved. Contents of the invention [0003] Aiming at the deficiencies of the prior art, the invention provides a 10KV flame-retardant cold-shrinkable cable accessory with simple structure and effective prevention of internal combustion and internal combustion. [0004] In order to achieve the purpose of the present invention, the following technical solutions are provided: a 10KV flame-retardant cold-shrinkable cable accesso...

AI Technical Summary

Problems solved by technology

However, considering that there may be fires in some environments, the general cable accessories cannot be used, and it needs to be improved

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