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Special multipoint vacuumizing tool for super-huge type transformer

A special tool and transformer technology, applied in the field of multi-point vacuuming special tools for extra-large transformers, can solve problems such as damage to the gas chamber cavity and affect the stability of the gas chamber cavity, and achieve the effect of improving the protection performance

Active Publication Date: 2021-01-08
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Publication number: CN204242752U discloses an air chamber for vacuumizing converter transformers. We found in the application that during the use of the air chamber for vacuumizing converter transformers, when the air chamber cavity is hit by an external force, the surface will produce Depression, after vacuuming, these depressions will affect the overall stability of the air chamber cavity, which will seriously cause damage to the air chamber cavity under vacuum

Method used

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  • Special multipoint vacuumizing tool for super-huge type transformer
  • Special multipoint vacuumizing tool for super-huge type transformer
  • Special multipoint vacuumizing tool for super-huge type transformer

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Effect test

Embodiment 1

[0019] Special tools for multi-point vacuuming of extra-large transformers, such as Figure 1-Figure 3 As shown, the air chamber cavity 3 is included, and several vacuum tubes 1 are installed on the upper part of the air chamber cavity 3. It is characterized in that: the air chamber cavity 3 is equipped with a protective shell 5, and the protective shell 5 has an opening on the bottom surface. A cylindrical shell, the inner bottom of the protective shell 5 is connected to several brackets 4, the air chamber cavity 3 is arranged inside the protective shell 5, the bottom of the air chamber cavity 3 cooperates with the bracket 4, and the protective shell 5 Top offers through groove 9, and vacuum tube 1 can pass through through groove 9, and the opening portion of protective shell 5 installs box lid 11, and box lid 11 can close the opening of protective shell 5.

[0020] The present invention adds a protective shell 5 outside the air chamber cavity 3. On the one hand, the protecti...

Embodiment 2

[0023] Special tools for multi-point vacuuming of extra-large transformers, such as Figure 1-Figure 3 As shown, the air chamber cavity 3 is included, and several vacuum tubes 1 are installed on the upper part of the air chamber cavity 3. It is characterized in that: the air chamber cavity 3 is equipped with a protective shell 5, and the protective shell 5 has an opening on the bottom surface. A cylindrical shell, the inner bottom of the protective shell 5 is connected to several brackets 4, the air chamber cavity 3 is arranged inside the protective shell 5, the bottom of the air chamber cavity 3 cooperates with the bracket 4, and the protective shell 5 Top offers through groove 9, and vacuum tube 1 can pass through through groove 9, and the opening portion of protective shell 5 installs box lid 11, and box lid 11 can close the opening of protective shell 5. A vacuum tube locking device is installed on the upper part of the protective housing 5, and the vacuum tube locking dev...

Embodiment 3

[0026] Special tools for multi-point vacuuming of extra-large transformers, such as Figure 1-Figure 3 As shown, the air chamber cavity 3 is included, and several vacuum tubes 1 are installed on the upper part of the air chamber cavity 3. It is characterized in that: the air chamber cavity 3 is equipped with a protective shell 5, and the protective shell 5 has an opening on the bottom surface. A cylindrical shell, the inner bottom of the protective shell 5 is connected to several brackets 4, the air chamber cavity 3 is arranged inside the protective shell 5, the bottom of the air chamber cavity 3 cooperates with the bracket 4, and the protective shell 5 Top offers through groove 9, and vacuum tube 1 can pass through through groove 9, and the opening portion of protective shell 5 installs box lid 11, and box lid 11 can close the opening of protective shell 5. The top of described support 4 offers arc-shaped groove 16, and the direction of arc-shaped groove 16 arcs is downward, ...

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Abstract

The present invention provides a special multipoint vacuumizing tool for the super-huge type transformer. The special multipoint vacuumizing tool comprises an air chamber cavity, and a plurality of vacuumizing pipes are mounted at the upper part of the air chamber cavity, and a protective shell is mounted on the air chamber cavity and is a cylindrical shell with an opening in the bottom surface; the protective shell is additionally arranged outside the air chamber cavity, on one hand, the protective shell can facilitate the air chamber cavity to enter the protective shell through the through groove, and on the other hand, the protective shell can play a role in protecting the air chamber cavity, so that the air chamber cavity is prevented from being directly impacted by the outside; and the stability of the air chamber cavity is prevented from being influenced by recesses generated by collision of the air chamber cavity.

Description

technical field [0001] The invention relates to a special tool, more precisely a special tool for multi-point vacuuming of an extra-large transformer. Background technique [0002] Publication number: CN204242752U discloses an air chamber for vacuumizing converter transformers. We found in the application that during the use of the air chamber for vacuumizing converter transformers, when the air chamber cavity is hit by an external force, the surface will produce Depression, after vacuuming, these depressions will affect the overall stability of the air chamber cavity, and seriously cause the air chamber cavity to be damaged under the action of vacuum. Contents of the invention [0003] The purpose of the present invention is to provide a special multi-point vacuuming tool for extra-large transformers, which can protect the gas chamber cavity, prevent the gas chamber cavity from being directly impacted by the outside world, and avoid the depression of the gas chamber cavit...

Claims

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Application Information

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IPC IPC(8): H01F41/00H01F27/14
CPCH01F41/00H01F27/14
Inventor 林俊年肖辉盖海龙韩玉涛吕婷婷孟庆承顾显华冀君王皓李厚芝张文佳孔祥国段立果张世竞胡彦泉崔勇张海杰陈健史伟波闫超
Owner STATE GRID CORP OF CHINA
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