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Gluing cable connector box

A joint box and cable technology, applied in the direction of cable joints, cable terminals, etc., to achieve the effect of advanced structural design and convenient fixing of cables

Inactive Publication Date: 2011-04-20
成都华铁电子技术发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The cable with this structure is referred to as oil-filled cable. The existing oil-filled cable has poor airtightness, poor strength, and inconvenient installation and operation.

Method used

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  • Gluing cable connector box
  • Gluing cable connector box

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Example 1: Straight-through Cable Splice Box

[0026] The two ends of the box body 1 and the box cover 2 respectively have a semicircular ring 18 to form a cable inlet 12 . A rubber ring 14 is respectively arranged at both ends of the rectangular sealing ring 7 and is located in the cable inlet 12 . There are two holes 6 on the lid to cooperate with the blocking cover 4, one as a filling hole and the other as an air outlet. There is rubber reducing sleeve 8 in the rubber ring 14, and retaining ring 9 is arranged at the two ends of reducing sleeve. Back-up ring 9 has two broken grooves along the diameter. A support 13 is arranged in the box to be connected with the cable clamp 15.

[0027] During use, the cable ends that have been cleaned up are fixed on the support 13 with screws and cable clamps 15 . The inner diameter of the reducing sleeve 8 is 1mm-1.5mm smaller than the outer diameter of the cable aluminum sheath. The sections of the rubber ring 14 and the redu...

Embodiment 2

[0029] Embodiment 2: branched cable splice box

[0030] Two semicircular rings 18 are respectively arranged at two ends of the box body 1 and the box cover 2 to form two cable inlets 12, and two rubber rings 14 are respectively arranged at the two ends of the rectangular sealing ring 7 to be positioned in the cable inlet, and the rest are the same as in Embodiment 1.

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Abstract

The invention discloses a glue pouring cable terminal box, which overcomes the problems of poor air-tightness, poor strength and inconvenient operation of the prior glue pouring cable terminal box. The glue pouring cable terminal box consists of a box body (1) and a box cover (2), wherein a junction surface of the box body and the box cover are scarfed by a seal groove and a seal ring (7), cable inlets (12) at two axial ends of the box are composed of protruding symmetrical semicircles (18) which are respectively arranged on the box body and the box cover, the seal ring (7) is rectangular and is fixedly connected to rubber rings (14) at two axial ends, the rubber rings are arranged in the cable inlets (12), the box cover is provided at least two holes which are communicated with the same cavity and matched with blanking covers, one of the holes is an exhaust hole and an earth line introducing hole, and other holes are glue pouring insulating glue holes, combination wedges fixedly connected to two axial side faces of the box body and box cover are matched with dovetail grooves.

Description

Technical field: [0001] The invention is related to the connecting device of railway oil-filled signal and communication cables. Background technique: [0002] With the development of railways in the direction of high speed, heavy load and high density, a large number of railway signals are equipped with computer interlocking, automatic blocking, station coding and computer detection equipment. In order to improve the reliability of railway signal digital and analog information transmission channels, a large number of railway inner shielded digital signal cables are currently used. In addition to forming a shield for each group of core wires, this kind of signal cable adopts a structure in which insulating ointment fills the metal sleeve in order to ensure insulation performance. In order to reduce maintenance costs, railway communication cables also use a large number of insulating grease-filled metal sleeve structures from traditional inflatable cables. The cable of thi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02G15/06H02G15/10
Inventor 刘新田朱小敏邵兵龙丽林
Owner 成都华铁电子技术发展有限公司
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