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Cable sleeve end plugging method

A cable sleeve and terminal technology, which is applied in the field of cable nozzle sealing, can solve the problems of imperfect port sealing process, easy cracking at the sealing place, and non-dense sealing, etc., and achieves strong durability, low cost, The effect of extending the service life

Active Publication Date: 2020-04-24
QINGDAO TIANYUAN WEIYE HEAT INSULATION & WATERPROOF ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the shortcomings existing in the prior art, aiming at the shortcomings of the existing cable bushing port sealing process is not perfect, the sealing is not dense, the durability is poor, and the sealing place is easy to crack, so as to ensure environmental protection, energy saving and low cost. Under the premise, design a plugging method for cable bushing end

Method used

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Embodiment 1

[0025] A method for plugging the end of a cable bushing involved in this embodiment, the specific process steps are:

[0026] (1) At the outlet of the cable sleeve, use an air bag or a cloth bag 4 filled with cement to fix multiple cables 1 together and fix them in the middle of the inner cavity port of the cable sleeve 2, and then attach each cable 1 to the Together, the cable 1 cannot move freely;

[0027] (2) Take the polymer resin waterproof and anti-corrosion coating and mix it evenly, and apply the polymer resin waterproof and anti-corrosion coating to the surface layer between the multiple cables 1 that need to be fixed, and the cable 1 fixed position is far from the port of the cable sleeve 2 2-5 cm, so that the gap between the fixing points of multiple cables 1 is tightly sealed by polymer resin waterproof and anti-corrosion coating;

[0028] (3) The polymer resin waterproof and anti-corrosion coating is evenly added to the port 2 of the cable sleeve. Due to the exis...

Embodiment 2

[0040] This embodiment relates to a kind of cement mortar used for preparing the plugging layer 3. When the cement mortar is used for plugging the cable sleeve 2, cement, fine sand and fine hemp silk with a length of 2-3 cm are pressed by 1 : Mix at a weight ratio of 1:0.05, then add water in a conventional weight mixing ratio, and mix uniformly to obtain cement mortar, then carry out the plugging operation according to Example 1, and prepare the plugging layer 3.

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Abstract

The invention belongs to the technical field of cable pipe orifice plugging, and relates to a cable sleeve end plugging method. The process comprises the following steps: (1) closing and fixing a plurality of cables at the middle part of the port of the inner cavity of a cable sleeve by using an air bag or a cloth bag; (2) applying a polymer resin waterproof anticorrosive coating among the plurality of cables to tightly plug the gaps among the plurality of cables; (3) uniformly adding the polymer resin waterproof anticorrosive coating into the port of the cable sleeve; and (4) compacting and trowelling the polymer resin waterproof anticorrosive coating in the port of the cable sleeve, curing the coating to form a plugging layer, and completely sealing gaps between fixed parts of the plurality of cables and gaps between the plurality of cables and the cable sleeve by the plugging layer. The method is reasonable and complete in process, scientific and practical, the port of the cable sleeve is plugged and sealed, the plugging durability is high, the water resistance and the fire resistance are excellent, water and dirt can be effectively prevented from entering the cable sleeve, andthe service life of the cable is effectively prolonged.

Description

Technical field: [0001] The invention belongs to the technical field of cable nozzle plugging, and relates to a protection process for plugging the end of a casing for cable protection and preventing water from entering the inner cavity of the casing, in particular to a method for plugging the end of a cable casing. The method can seal and airtight the end of the cable casing, and has good protection for the cables in the casing. Background technique: [0002] Cable sleeves, also known as protective tubes and conduits, are pipes used to protect wires and cable wiring in electrical installations, allowing wires and cables to penetrate and replace. Cable sleeves are a new type of sleeve that is popularized and used in electric power engineering Material; when the cable protrudes from the cable sleeve port and is associated with the equipment, the cable sleeve port is sealed with glue, oil paper, and adhesive tape to prevent dirt, water, etc. from entering the cable sleeve; but...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02G1/08H02G15/013C09D163/00C09D5/16C09D5/08C09D7/61
CPCC08K2003/265C09D5/08C09D5/1662C09D5/1687C09D163/00H02G1/08H02G15/013C08L1/284C08K3/26
Inventor 李军伟李强
Owner QINGDAO TIANYUAN WEIYE HEAT INSULATION & WATERPROOF ENG CO LTD
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