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Transparent security box of cable intermediate head

A technology of cable intermediate joint and safety box, applied in the direction of connection insulation, etc., can solve the problems such as opaque safety box, difficult to visually understand the state and environment of cable intermediate joint in the box, and safety box failure difficult to be detected in advance and dealt with in time. Accident prevention, excellent sealing and waterproof performance, good elasticity

Inactive Publication Date: 2011-09-07
蔡彭博
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the opacity of the safety box of this type of cable intermediate joint, it is difficult to visually understand the state and environment of the cable intermediate joint in the box, and it is also difficult to detect and deal with the failure of the safety box itself in advance

Method used

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  • Transparent security box of cable intermediate head
  • Transparent security box of cable intermediate head
  • Transparent security box of cable intermediate head

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Such as figure 1 As shown, the two semi-cylindrical bodies 1-1A, 1-1B transparent safety box 1 with two small middle convex parts are injection molded with modified polycarbonate resin, and the two semi-cylindrical bodies 1-1A, 1- 1B The interface of the transparent safety box 1 is injection-molded with a flange 2, and a sealing sheet 3 is provided on the joint surface of the flange 2, and a ring groove 5 is provided in the box hole at both ends of the small transparent safety box 1. The two ends of the box hole 4 are fitted with a synthetic rubber sealing sleeve 4 with good elasticity and high strength, which is used to set the cable 7, the cable joint 8 is filled with fireproof material 6, and the transparent safety box 1 sets the two semi-cylindrical bodies 1-1A of the cable 7 , between the flanges of 1-1B, a synthetic rubber sealing sheet 3 with good elasticity and high strength is installed, and the upper and lower half cylinders 1-1A and 1-1B are fixed with fasten...

Embodiment 2

[0027] Such as figure 2 As shown, the two semi-prisms 2-1A and 2-1B transparent safety box 1 with two small central bulges at both ends are injection-molded with polycarbonate resin, and the two semi-prisms 2-1A and 2-1B are transparent The interface of the safety box 1 is injection-moulded with a flange 2, and a sealing sheet 3 is provided on the joint surface of the flange 2. A ring groove 5 is provided in the box hole 4 at both ends of the small transparent safety box 1, and a ring groove 5 is provided at both ends of the small transparent safety box 1. The box hole 4 is equipped with a modified rubber sealing sleeve 4 with good elasticity and high strength, which is used to cover the cable 7, the cable joint 8 is filled with fireproof material 6, and the two semi-prisms 2-1A, 2- of the transparent safety box 1 A modified rubber sealing sheet 3 with good elasticity and high strength is installed between the flanges 2 of 1B, and the sealed transparent safety box 1 that fixe...

Embodiment 3

[0029] Such as figure 1 As shown, the two semi-cylindrical bodies 1-1A, 1-1B transparent safety box 1 with two small middle convex parts are injection molded with modified polycarbonate resin, and the two semi-cylindrical bodies 1-1A, 1- 1B The interface of the transparent safety box 1 is injection-molded with a flange 2, and the joint surface of the flange 2 is provided with a sealing sheet 3, and a modified polyurethane resin with good elasticity and high strength is set in the small two-end box holes 4 of the transparent safety box 1 The sealing sleeve 4 is used to set the cable 7, the cable joint 8 is filled with fireproof material 6, and the two semi-cylindrical bodies of the transparent safety box 1 figure 1 A modified polyurethane resin sealing sheet 3 with good elasticity and high strength is installed between the flanges 2 of the flange 2, and the sealed transparent safety box 1 that fixes the two semi-cylindrical bodies 1-1A and 1-1B as one with fastening bolts 9. T...

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Abstract

The invention discloses a transparent security box of a cable intermediate head, which is made from panlite or modified panlite. Flanges of two protruding semi-cylinders or semi-prismoids in the middle of the security box are connected into a whole by fastening bolts; a sealing fin is arranged between the flanges; circular holes are arranged at joints of two ends of the transparent security box and a cable; the two ends of the transparent security box are provided with seal grooves; the seal grooves are provided with seal cartridges; and the sealing fin and the seal cartridges are made from modified rubbers or synthetic rubbers or polyurethane resins or modified polyurethane resins. The transparent security box has performances of acid-base resistance, explosion prevention, lightning protection, fire protection and watertightness, is completely insulated, can bear impacts without deformation, is utilized to quickly understand states and environments in the security box by eyes, observes faults in advance and then processes the faults in real time. The security box can be utilized to sufficiently solve the problem of spontaneous ignition or blast injuries generated by long-time running of the cable intermediate head and other problems of the cable, and can effectively prevent accidents.

Description

technical field [0001] The invention belongs to the technical field of electric power or communication cable auxiliary devices, and relates to an explosion-proof, lightning-proof, fireproof and waterproof transparent safety box for cable intermediate joints. Background technique [0002] At present, overhead cables or underground cables are generally used for transmission in power, communication and cable TV transmission. There are many joints at the connection between the cables, and the joints are prone to aging during long-term use, causing sparks, short circuits, even explosions, and even fires, causing heavy losses. Fires caused by cable joints account for the vast majority of accidents. Therefore, untreated cable joints have great potential safety hazards. People are developing explosion-proof, lightning-proof, fire-proof and waterproof cable intermediate joint safety boxes through various efforts. The following is a brief description of what we retrieved from the li...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01R4/70
Inventor 蔡彭博
Owner 蔡彭博
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