Centering device for valve side sleeve of converter transformer

A converter transformer and centering device technology, which is applied in metal processing, metal processing equipment, manufacturing tools, etc., can solve the problems of difficult control of alignment accuracy, damage to bushings, and increased difficulty of assembly, and achieve the goal of improving alignment accuracy Effect
CN108942201AInactive Publication Date: 2018-12-07郭芬
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
郭芬
Publication Date
2018-12-07
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a centering device for a valve side sleeve of a converter transformer. The centering device comprises a clamping device, the clamping device is connected with an adjusting device so as to adjust the top, the bottom, the left, the right, pitching and rotating positions of the sleeve, the clamping device comprises a bottom frame, the centering device comprises a first reference plate and a second reference plate, wherein the first reference plate and the second reference plate are fixedly arranged below the bottom frame from front to back, the centering device further comprises a visible light beam emitting device arranged below a wire unwinding sleeve, a through hole is formed in the center of the first reference plate, a cross-shaped alignment line is arranged in the center of the second reference plate, the through hole is formed in an extension line of a connection line of rotation centers of the pitching position and the rotation position of the sleeve, whena visible light beam emitted by the visible light beam emitting device penetrates through the through hole of the first reference plate to be aligned with the cross-shaped alignment line of the second reference plate, the sleeve and the wire unwinding sleeve are in a centered state. According to the centering device, centering of the sleeve and the wire unwinding sleeve is realized, and the alignment precision of the sleeve in the installation process is improved.
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Description

Technical field

[0001] The invention belongs to the technical field of special tooling for transformer manufacturing, and in particular relates to a bushing centering device on the valve side of a converter transformer. Background technique

[0002] The converter transformer refers to the power transformer connected between the converter bridge and the AC system, and is the main equipment of the DC transmission system. At present, the valve side bushings of converter transformers are mostly manually hoisted during installation. As the valve side bushing weighs up to 4 to 5t, the length can reach more than 15m, and it is installed in an inclined manner, the manual hoisting method makes It is more difficult to assemble the valve-side bushing. A little carelessness may damage or damage the bushing. In addition, it is difficult to control the alignment accuracy of the valve-side bushing and the outlet device of the converter transformer by manual lifting. Summary of the invention [...

Claims

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