Clamping mechanism and process flow of heat sink of aluminum alloy transformer

A technology of clamping mechanism and heat sink, which is applied in the direction of metal processing equipment, manufacturing tools, auxiliary devices, etc., can solve the problems of reduced heat dissipation efficiency of heat sink, increased welding difficulty, and unstable chemical properties of metal iron, etc., to reduce bending deformation risk, solve the phenomenon of bending deformation, and the effect of simple and reliable overall processing
CN105458640BInactive Publication Date: 2018-03-02ZIBO DINGDIAN ELECTRICAL EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
ZIBO DINGDIAN ELECTRICAL EQUIP CO LTD
Publication Date
2018-03-02
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a novel aluminum alloy transformer cooling fin clamping mechanism and a technological process. The novel aluminum alloy transformer cooling fin clamping mechanism comprises fixed supports, a rotating support is installed on each fixed support and connected with a turning mechanism, a transformer cooling fin is installed on each rotating mechanism and connected with a main circulation pipeline, the transformer cooling fins are welded through a six-degree-of-freedom welding robot, and the six-degree-of-freedom welding robot conducts welding on the transformer cooling fins simultaneously; oil chambers are directly connected with the main circulation pipeline by omitting a connecting plate, and the risk of welding bending deformation of oil chambers is reduced; by means of design of the transformer cooling fin clamping mechanism, the problem that due to the fact that clamping and positioning are poor, bending deformation of the oil chambers and / or the cooling fins occurs in the welding process of the transformer cooling fins is solved; by means of the six-degree-of-freedom welding robot, the speed and precision of welding are increased; by means of design of the technological process of the transformer cooling fins, machining of the transformer cooling fins is easier and more reliable.
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Description

technical field

[0001] The invention relates to the technical field of transformer cooling fins, in particular to an aluminum alloy transformer cooling fin clamping mechanism and a process flow. Background technique

[0002] With the rapid growth of the national economy, various high-voltage and ultra-high-voltage large-scale transformers are used more and more widely. Among them, oil-immersed power transformers use transformer heat sinks to reduce the temperature of the transformer.

[0003] Although the existing transformer heat sink can reduce the temperature of the transformer to a certain extent, there are still many deficiencies in the actual use of the existing transformer heat sink, which are specifically reflected in the following aspects:

[0004] (1) Most of the existing heat sinks of transformers are made of iron materials, and the chemical properties of metallic iron are not stable enough and are easy to oxidize. At the same time, iron is easy to absorb infrared...

Claims

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