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A jacking machine for high voltage transformer shell processing

A technology for high-voltage transformers and shells, which is applied in the field of pulling machines for processing high-voltage transformer shells. It can solve the problems of low-quality drawing holes, reduced processing efficiency, and displacement during the drawing process, so as to improve the connection quality. Sealability and processing efficiency, improved device stability, formability and high quality effects

Active Publication Date: 2018-07-31
SUQIAN GENERAL MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The high-voltage transformer shell processing in the prior art has the disadvantage of inconvenient or unstable installation of the high-voltage transformer shell, which may easily cause displacement during the drawing process and affect the forming of the drawing hole; the mold has poor corrosion resistance and is easy to Oxidation leads to deformation and affects the quality of the caliber; the drawing mechanism composed of hydraulic devices is difficult to control the speed, resulting in low quality of the drawing mouth and affecting the sealing performance, thereby reducing the processing efficiency

Method used

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  • A jacking machine for high voltage transformer shell processing
  • A jacking machine for high voltage transformer shell processing
  • A jacking machine for high voltage transformer shell processing

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] The above-mentioned jacking machine for processing high-voltage transformer shells, wherein the preparation method of the anti-corrosion coating is:

[0038] (1) Put 23 parts of acrylic resin, 17 parts of FEVE fluorocarbon resin and 15 parts of epoxy resin E-35 into the mixer by mass parts, control the stirring rate to 430r / min, mix for 50min, and then put into the reaction kettle;

[0039] (2) Add 16 parts of polydimethylsiloxane, 7 parts of isobutanol and 6 parts of silane coupling agent KH550 in parts by mass in the reaction kettle of step (1), control the temperature at 340°C, and stir at a rate of 170r / min, react for 2h, then put into the stirring tank;

[0040] (3) Add 8 parts of graphene, 7 parts of nano-mica powder and 3 parts of modified triethylenetetramine curing agent in the stirred tank in step (2) according to the number of parts by mass, control the stirring rate to 230r / min, and stir 2h, that is, anti-corrosion coating.

Embodiment 2

[0042] The above-mentioned jacking machine for processing high-voltage transformer shells, wherein the preparation method of the anti-corrosion coating is:

[0043] (1) Take 33 parts of acrylic resin, 16 parts of FEVE fluorocarbon resin and 12 parts of epoxy resin E-35 in parts by mass and put them into the mixer, control the stirring rate at 380r / min, mix for 55min, and then put them into the reaction kettle;

[0044] (2) Add 17 parts of polydimethylsiloxane, 9 parts of isobutanol and 5 parts of silane coupling agent KH550 in parts by mass in the reaction kettle of step (1), control the temperature at 355°C, and stir at a rate of 165r / min, react for 2h, then put into the stirring tank;

[0045] (3) Add 8 parts of graphene, 8 parts of nano-mica powder and 6 parts of modified triethylenetetramine curing agent in the stirred tank in step (2) by mass parts, control the stirring rate to 235r / min, stir 1h, the anti-corrosion coating is obtained.

Embodiment 3

[0047] The above-mentioned jacking machine for processing high-voltage transformer shells, wherein the preparation method of the anti-corrosion coating is:

[0048] (1) Take 21 parts by mass of acrylic resin, 15 parts of FEVE fluorocarbon resin and 13 parts of epoxy resin E-35 into the mixer, control the stirring rate to 420r / min, mix for 50min, and then put into the reaction kettle;

[0049](2) Add 16 parts of polydimethylsiloxane, 7 parts of isobutanol and 5 parts of silane coupling agent KH550 in parts by mass in the reaction kettle of step (1), control the temperature at 340°C, and stir at a rate of 170r / min, react for 2h, then put into the stirring tank;

[0050] (3) Add 7 parts of graphene, 5 parts of nano-mica powder and 4 parts of modified triethylenetetramine curing agent in the stirred tank in step (2) according to the number of parts by mass, control the stirring rate to 250r / min, and stir 2h, that is, anti-corrosion coating.

[0051] The working mode of the pres...

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Abstract

The invention relates to an opening drawing machine for processing of a high-voltage instrument transformer housing. The machine comprises a worktable, a supporting platform, a drawing die, a transmission mechanism and a heating gun, wherein supporting legs are arranged at the bottom part of the worktable, and sleeves are arranged at two sides of the top part of the worktable; an arc-shaped concave port and limiting holes are formed in the top part of the supporting platform; a stopping plate is arranged on the outer wall of the supporting platform; the transmission mechanism comprises a pulling rod, a lead screw and a lead screw nut; a fastening bolt is arranged between the top part of the pulling rod and the drawing die; an anticorrosive coating is arranged at the outside of the drawing die; a drying gun bracket is arranged at the outside of the pulling rod; a baffle plate is arranged on the top part of the lead screw; a nut sleeve which is connected to the bottom part of the pulling rod is arranged at the outside of the lead screw nut. With the adoption of the machine, the high-voltage instrument transformer housing can be reliably mounted and fastened; a drawing opening is high in forming performance and high in quality, so that the connecting sealing performance and the processing efficiency of the high-voltage instrument transformer housing can be improved.

Description

technical field [0001] The invention relates to a jacking machine for processing high-voltage transformer shells, which belongs to the technical field of high-performance component manufacturing. Background technique [0002] High-voltage transformers are transformers suitable for converting large voltages into small voltages or large currents into small currents in 1kv to 220kv power systems for easy measurement, protection, and use. They are mainly used in AC circuits to monitor the operation of electrical equipment and For the control system, in the production process of the high-voltage transformer shell, it is necessary to carry out the extraction process, that is, to pull out a certain size at the opening position of the shell with a mold under pressure to make the necessary connection and improve the sealing of the connection; [0003] The high-voltage transformer shell processing puller machine in the prior art is inconvenient or unstable to install the high-voltage ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D22/20B21D37/01B21D37/16B21D43/00
CPCB21D22/208B21D37/01B21D37/16B21D43/003
Inventor 杜东亮徐洋唐运民杜爱民吴玉波肖庆良
Owner SUQIAN GENERAL MACHINERY
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