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Pressing device

A compression device and locking nut technology, applied in the direction of transformer/inductor coil/winding/connection, etc., can solve the problems of poor short-circuit resistance of transformers, easy loosening of coils, easy loosening of windings, etc., to improve short-circuit resistance, Guarantee the quality and ensure the effect of normal operation

Inactive Publication Date: 2015-02-25
SUZHOU WUZHONG DISTRICT DALU ELECTRIC EQUIP FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the unreasonable structure of the previous transformers, the windings are easy to loose, and the coils are easy to loosen, resulting in poor short-circuit resistance of the transformer and affecting the normal operation of the entire electronic system.

Method used

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Examples

Experimental program
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Embodiment Construction

[0014] The present invention will be described below with reference to the drawings.

[0015] As attached figure 1 The shown pressing device according to the present invention includes a fixing frame 1, a threaded sleeve 2, a screw 3, a lock nut 4, a sliding block 5, a fixing block 6, a sliding sleeve 7, an elastic component and a handle 8; The fixing frame 1 is provided with a threaded sleeve 2; the screw 3 passes through the threaded sleeve 2; the screw 3 is sleeved with a locking nut 4; the locking nut 4 is located below the threaded sleeve 2; A sliding block 5 is provided at the bottom; the sliding block 5 slides on the sliding sleeve 7; the sliding sleeve 7 is fixed in the fixed block 6; an elastic component is arranged between the bottom of the sliding block 5 and the inner bottom surface of the sliding sleeve 7; The elastic component is preferably a spring 9; the top of the sliding sleeve 7 is provided with a limit ring 10 to prevent the sliding block 5 from falling out; t...

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PUM

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Abstract

The invention discloses a pressing device. The pressing device comprises a fixing frame, a threaded sleeve, a lead screw, a locking nut, a sliding block, a fixed block, a sliding sleeve, an elastic component and a handle, wherein the threaded sleeve is arranged in the fixing frame, the lead screw penetrates through the threaded sleeve, the lead screw is sleeved with the locking nut, the locking nut is located under the threaded sleeve, the sliding block is arranged at the bottom of the lead screw, the sliding block slides in the sliding sleeve, the sliding sleeve is fixed in the fixed block, the elastic component is arranged between the bottom of the sliding block and the bottom surface inside the sliding sleeve, and the handle is arranged at the top of the lead screw. The pressing device can continuously apply pressure on an object under the fixed block.

Description

Technical field [0001] The invention relates to a compression device, in particular to a compression device that can be used in a high-voltage transformer. Background technique [0002] With the development of electric power technology, the capacity of transformers is getting larger and larger, and the voltage level is getting higher and higher. The role of high-voltage transformers in the power system is predicted to be prominent. Therefore, the safe operation of high-voltage transformers is related to the overall electronic system. The safe operation of high-voltage transformers is affected by many factors, of which short-circuit resistance is an important one. The safe operation of high-voltage transformers is affected by many factors, of which short-circuit resistance is an important one. Due to the unreasonable structure of the previous transformer, the winding is easy to loosen, and the coil is easy to loosen, resulting in poor short-circuit resistance of the transformer ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F27/30
Inventor 钱永清
Owner SUZHOU WUZHONG DISTRICT DALU ELECTRIC EQUIP FACTORY
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