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Wall bushing using detachable transportation support

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

Active Publication Date: 2021-04-20
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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  • Wall bushing using detachable transportation support
  • Wall bushing using detachable transportation support
  • Wall bushing using detachable transportation support

Examples

Experimental program
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Effect test

specific Embodiment 1

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

[0049] Since the conductive rod 3 is easily aggravated by bumps and vibrations during transportation, it may break in severe cases, affecting subsequent normal use. The present invention innovates on the basis of the existing wall-piercing casing, and sets a support structure on the cylinder body 2. The support structure includes a fixing seat and a support rod 4 located on the cylinder body. The socket, and the support rod is detachably fixedly matched w...

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] The difference from Example 1 is that 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 of the insulating seat used to contact and cooperate with the fixing seat is also an arc surface , when the support seat is connected with the fixed seat, the insulating seat protrudes inward along the inner wall of the cylinder. In this embodiment, the inner end of the rod is connected to the connecting joint in the following manner. The inner end of the rod is provided with an axial hole, the circumference of the inner end of the rod is provided with a radial hole communicating with the axial hole, and the connecting joint is provided with a radial hole connected to the radial hole. The radial threaded hole that matches the hole, when the rod body is connected to the connecting joint, insert the connecting joint into the axial hole at the end of the rod body, and then tigh...

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Abstract

The invention relates to a wall bushing using a detachable transportation support. The wall bushing comprises a conducting rod, two insulating jackets and a cylinder body, wherein the bushing is filled with insulating gas, a support structure is arranged on the cylinder body, the support structure comprises a support rod and a fixed seat, and the support rod comprises a support seat positioned at one end in the cylinder body and a rod body detachably connected with the support seat; and when the wall bushing is transported, the support rod is fixed on the cylinder body and supports the conducting rod, after the wall bushing is transported in place, the support rod can be pulled out, the rod body is disassembled, and then the support seat is fixed on the cylinder body. The wall bushing is novel in design concept, not only can solve the problem of deformation of the conducting rod in the transportation process, but also can ensure that a gas insulating material in the wall bushing is not easily polluted by the outside, and the problems that in the prior art, an existing supporting structure is adopted for an SF6 gas insulation wall bushing to prevent a conducting rod from deforming, so that the field installation preparation workload is large, the SF6 consumption is large, and the product safety and reliability are poor are solved.

Description

technical field [0001] The invention relates to a wall bushing using a detachable transport support. Background technique [0002] With the rapid construction of my country's power grid and the rapid development of UHV DC transmission technology, DC wall bushings carry full current, full voltage and are subject to strong mechanical loads. They are important equipment in DC transmission systems. UHV SF 6 The gas-insulated wall-piercing 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 long-distance transportation process, the deformation of the conductive rod will be further aggravated by bumps and vibrations, and the conductive rod may even break, which seriously affects the development of follow-up work. [0003] In order to solve the deformation problem of conducti...

Claims

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Application Information

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Patent Type & Authority Applications(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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