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Cable hole plugging device

A technology for blocking devices and cables, which is applied in the direction of electrical components, pipes, pipes/pipe joints/pipe fittings, etc., can solve problems such as uneven construction quality, hidden dangers of safe operation of the power grid, and increased internal humidity, so as to facilitate unified maintenance, Safe and reliable Environmental influence, simple installation and disassembly

Inactive Publication Date: 2014-05-28
SHANGHAI MUNICIPAL ELECTRIC POWER CO
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

In the case of traditional plugging, due to the characteristics of the cement used for plugging and the uneven construction quality of each construction team, it is easy for groundwater to seep into the cable trench and substation within a short period of time after the plugging is completed, which greatly increases the internal Humidity brings great hidden dangers to the safe operation of the power grid

Method used

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Embodiment Construction

[0018] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is carried out on the premise of the technical solution of the present invention, and detailed implementation and specific operation process are given, but the protection scope of the present invention is not limited to the following embodiments.

[0019] Such as figure 1 , figure 2 As shown, a cable hole sealing device is used to block the cable hole pierced on the reinforced concrete wall 1, the cable 4 is arranged in the cable hole, and the sealing device includes engineering plastic parts and The rubber-plastic sealing waterproof material layer 6, the engineering plastic parts are sleeved outside the cable and connected with the reinforced concrete wall 1, and the rubber-plastic sealing waterproof material layer 6 is arranged on the engineering plastic parts and the cable 4, Between the engineering plastic part and the re...

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Abstract

The invention relates to a cable hole plugging device, which is used for plugging a cable hole penetrating through a reinforced concrete wall. A cable is arranged in the cable hole; the cable hole plugging device is characterized by comprising an engineering plastic piece and a rubber and plastic sealing waterproof material layer, wherein the engineering plastic piece is sleeved outside the cable and is connected with the reinforced concrete wall; the rubber and plastic sealing waterproof material layer is arranged between the engineering plastic piece and the cable and between the engineering plastic piece and the reinforced concrete wall. Compared with the prior art, the cable hole plugging device has the advantages of safety, reliability, high antiseep performance, convenience for maintenance and the like.

Description

technical field [0001] The invention relates to a plugging device, in particular to a cable hole plugging device. Background technique [0002] In order to make full use of space, underground substation structure has been widely used. Due to the high drop between the ground and underground substations, the cable channel and cable body entering the underground substation are prone to water leakage. After the external water enters the cable terminal and the switch cabinet, it will cause switch action and user If the power is lost, it will cause the cable to catch fire and damage the equipment. In areas with complex groundwater conditions and heavy rainfall, cable terminal defects or failures caused by water leakage in underground substations and distribution stations every year are more common. [0003] A large number of cables are distributed in the underground cable layer in the switch station and neighborhood station. Generally, the cables are located at a depth of 50-80c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L5/02
CPCF16L5/02H02G3/22
Inventor 徐佳康
Owner SHANGHAI MUNICIPAL ELECTRIC POWER CO
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