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A wall bushing with removable transport supports

A technology of wall-piercing sleeves and support seats, which is applied in pipes, climate sustainability, sustainable packaging, etc., and can solve the problems of heavy on-site installation preparation, poor product safety and reliability, and large gas consumption. Achieve the effects of reducing the amount of insulating gas, easy processing, and reducing workload

Active Publication Date: 2022-07-05
PINGGAO GRP +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a wall bushing using a detachable transport support, which can solve the problem of current SF 6 The gas-insulated wall-piercing bushing adopts the existing support structure to prevent the deformation of the conductive rod, which causes a large amount of preparation work for site installation, and the SF 6 The problem of large gas consumption and poor product safety and reliability

Method used

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  • A wall bushing with removable transport supports
  • A wall bushing with removable transport supports
  • A wall bushing with removable transport supports

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Experimental program
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Effect test

specific Embodiment 1

[0048] The wall bushing of the present invention using detachable transport supports, such as Figure 1-Figure 2 As shown in the figure, its basic structure is the same as that of the wall bushing in the prior art, including an insulating jacket 1 on both sides and a cylinder 2 connected between the two insulating jackets 1. The inside of the cylinder 2 and the insulating jacket 1 forms a closed inner casing. A conductive rod 3 is installed in the closed cavity, and the closed cavity is filled with SF as an insulating gas. 6 .

[0049] Because the deformation of the conductive rod 3 is easily aggravated by bumping and vibration during transportation, and may break in severe cases, affecting subsequent normal use. The present invention innovates on the basis of the existing wall-penetrating bushings, and a support structure is arranged on the cylinder body 2. The support structure includes a fixed seat on the cylinder body and a support rod 4, and the fixed seat is provided wi...

specific Embodiment 2

[0058] The difference from Embodiment 1 is that the support seat is one piece and made of metal material.

specific Embodiment 3

[0060] Different from Embodiment 1, the side of the fixing seat facing the inside of the cylinder is flush with the inner wall of the cylinder, which is an arc surface. Correspondingly, the surface on the insulating seat that is used for contact and matching with the fixing seat is also an arc surface. , when the support seat is connected and matched with the fixed seat, the insulating seat protrudes inward along the inner cylinder wall of the cylinder. In this embodiment, the inner end of the rod is connected with the connecting joint in the following manner: the inner end of the rod is provided with an axial hole, the peripheral surface of the inner end of the rod is provided with a radial hole that communicates with the axial hole, and the connecting joint is provided with a diameter For radial threaded holes that match the holes, when the rod body is connected with the connecting joint, insert the connecting joint into the axial hole at the inner end of the rod body, and th...

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Abstract

The invention relates to a wall-penetrating bushing with detachable transport support, comprising a conductive rod, two insulating jackets and a cylinder body, the bushing is filled with insulating gas, and the cylinder body is provided with a support structure, the support structure includes a support rod The support rod includes a support seat located at one end of the cylinder and a rod body detachably connected to the support base; when the wall casing is transported, the support rod is fixed on the cylinder body and supports the conductive rod, and the wall casing is transported through the wall. After being in place, the support rod can be pulled out, the rod body can be disassembled, and the support base can be fixed on the cylinder body; the wall-penetrating sleeve of the present invention has a novel design concept, which can not only solve the problem of deformation during the transportation of the conductive rod, but also fix the support base on the cylinder body. It can also ensure that the gas insulating material in the wall bushing is not easily polluted by the outside world, which solves the problem of SF in the prior art. 6 The gas insulated wall bushing adopts the existing support structure to prevent the on-site installation preparation work caused by the deformation of the conductive rod, and the SF 6 The problem of large dosage and poor product safety and reliability.

Description

technical field [0001] The present invention relates to a wall bushing with removable transport supports. Background technique [0002] With the rapid construction of my country's power grid and the rapid development of UHV DC transmission technology, the DC through-wall bushing carries full current, full voltage and is subjected to strong mechanical loads, and is an important equipment in the DC transmission system. UHV SF 6 The gas-insulated wall bushing has the characteristics of simple structure, good heat dissipation performance and strong flow capacity, but its overall size is long, and the length of the internal conductive rod is generally 20-30 meters. deflection deformation. Especially in the process of long-distance transportation, the amount of vibration and deformation of the conductive rod will be further aggravated, and the conductive rod may even be broken, which seriously affects the follow-up work. [0003] In order to solve the problem of deformation in ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16L5/00F16L5/02F16L5/10
CPCY02W90/10
Inventor 谢世超董祥渊魏建巍柴影辉谭盛武段晓辉占小猛高远常克歌杨国保汤浩赵晓林杜鹏朱仲贤
Owner PINGGAO GRP
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