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Protective device and waterproof and humidity-proof processing mechanism used for cable ground exposing position

A protective device and moisture-proof treatment technology, which is applied in the direction of connection insulation, base/housing, etc., can solve the problems of potential safety hazards, shortened service life of cables, and aging of electrical tapes, so as to improve power transmission efficiency, avoid waste of resources, and use long life effect

Active Publication Date: 2013-05-08
GUANGZHOU PANYU CABLE WORKS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] It is very important to ensure the safe and stable operation of the power grid. If the cable connection is not properly handled, it will bring a lot of troubles to people's production and life, and even pose a safety hazard.
Existing cables with sheaths are only treated with simple waterproof and moisture-proof treatment at the junction, such as the commonly used electrical tape, which will become hard and brittle at low temperatures and soft at high temperatures. Affected by thermal expansion and contraction, it is not only waterproof , The moisture-proof effect is not good, and because the electrical tape will age after being used for a long time, the wiring part of the cable is easy to corrode, which affects its conductivity and shortens the service life of the cable

Method used

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  • Protective device and waterproof and humidity-proof processing mechanism used for cable ground exposing position
  • Protective device and waterproof and humidity-proof processing mechanism used for cable ground exposing position
  • Protective device and waterproof and humidity-proof processing mechanism used for cable ground exposing position

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048]A protective device for the bare grounding of cables, including a protective shell, the protective shell includes a mating outer end protective shell 4 and a mating middle protective shell 5, which form openings at both ends after the mating, and the side-closed cable passing through The wire cavity, the middle protective shell 5 is arranged on one end of the outer protective shell 4 and is flexibly connected with it. When the outer protective shell 4 is in use, it is set on the cable sheath at the outer end of the exposed part of the cable ground. When the middle protective shell 5 is in use, Cover the exposed cable ground. Wherein, there can be one outer pair of protective shells 4 with the middle protective shell arranged at one end thereof, or two, with the middle protective shell set between the outer protective shells. Wherein the outer end protective shell 4 comprises two or more outer end sub-shells, the side of a pair of adjacent two outer end sub-shells is hing...

Embodiment 2

[0051] On the basis of embodiment 1, this embodiment has been improved as follows:

[0052] An automatic pop-up device for the middle split case, such as a torsion spring mechanism 12, is provided at the hinge joint between the middle split case and the outer end protective case 4 of the protection device for the exposed part of the cable wire.

[0053] An automatic pop-up device for the middle split case, such as a torsion spring mechanism 12, is provided at the hinge joint between the middle split case and the outer end protective case 4 of a waterproof and moisture-proof treatment mechanism for the exposed part of the cable wire.

[0054] When grounding is required for maintenance, the difference from Embodiment 1 is that after opening the locking shell 8, the middle sub-shell automatically pops open, exposing the metal foil wrapped around the grounding part, that is, the grounding wire. The buckle 10 that shell is opened.

Embodiment 3

[0056] On the basis of embodiment 2, this embodiment has been improved as follows:

[0057] A locking device for a protective device used for the bare grounding of cables is changed to include two mated locking half-shells 13, the two are movably connected, and the inner diameter of the cavity formed by mating is the same as that of the middle protective shell 5. diameter to match. One end of the locking device is arranged on the outer periphery of the outer protective shell 4, the other end is arranged on the outer periphery of the middle protective shell 5, and at least one locking half shell 13 is provided with a first baffle plate 16 near the inner side of the middle protective shell 5, the first baffle plate 16 The inner circular arc matches the outer diameter of the outer protective shell 4, and the outer protective shell 4 is provided with a limit baffle 15, and a compression spring 14 is arranged on the outer side of the outer protective shell, corresponding to the lim...

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Abstract

The invention discloses a protective device used for a cable ground exposing position. The protective device comprises a protective outer shell which comprises an opposite-matched type outer end protective outer shell and a middle protective outer shell. The middle protective outer shell is arranged at one end of the outer end protective outer shell and is movably connected with the outer end protective outer shell. The invention further discloses a waterproof and humidity-proof processing mechanism used for the cable ground exposing position. The waterproof and humidity-proof processing mechanism comprises a roll of split-type metal foil which is wrapped on the cable ground exposing position and extends to a cable protective sleeve outside the cable ground exposing position when used. A protective outer shell is arranged on the periphery of the metal foil. The structure and using of the protective outer shell are identical with those of the protective device. The waterproof and humidity-proof processing mechanism protects the cable ground exposing position, has the advantages of being waterproof, humidity-proof, anti-oxidant, good in safety, strong in generality and capable of enabling ground connecting to be convenient and rapid, effectively prevent the cable from being corroded, prolong service life and improving electricity transmitting efficiency.

Description

technical field [0001] The invention relates to the technical field of electric power supply, in particular to a protection device and a waterproof and moisture-proof treatment mechanism for the exposed grounding of cables. Background technique [0002] It is very important to ensure the safe and stable operation of the power grid. If the cable connection is not properly handled, it will bring a lot of troubles to people's production and life, and even pose a safety hazard. Existing cables with sheaths are only treated with simple waterproof and moisture-proof treatment at the junction, such as the commonly used electrical tape, which will become hard and brittle at low temperatures and soft at high temperatures. Affected by thermal expansion and contraction, it is not only waterproof , The moisture-proof effect is not good, and because the electrical tape will age after being used for a long time, the wiring part of the cable is easy to corrode, which affects its conductivi...

Claims

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Application Information

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IPC IPC(8): H01R13/52H01R4/70
Inventor 胡超强尤占山覃丹王利江卢广业张仕宽申常伟
Owner GUANGZHOU PANYU CABLE WORKS
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