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Preparation equipment and method of insulating pull rod for circuit breaker

A technology for insulating pull rods and circuit breakers, which is applied in the preparation equipment and field of insulating pull rods for circuit breakers. It can solve problems such as inhomogeneity, affecting the high voltage resistance of products, and poor surface finish of finished products, so as to reduce air bubbles and ensure mechanical and electrical integrity. Performance, the overall uniform effect of the product

Active Publication Date: 2017-01-18
GOODE EIS SUZHOU CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] General materials adopt the method of resin heating and curing. These manufacturing methods are produced under normal temperature and atmospheric conditions, which are greatly affected by the environment. Each production method requires special equipment to produce products with specific shapes, especially pipes ( Tube) shaped products are affected by the residual low molecular weight, material inhomogeneity, air gap, and moisture, which affect the high voltage resistance and high mechanical strength of the product, and the surface finish of the finished product is not high, requiring secondary Machining and painting

Method used

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  • Preparation equipment and method of insulating pull rod for circuit breaker
  • Preparation equipment and method of insulating pull rod for circuit breaker

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035]The technical solution adopted by the present invention is the preparation equipment for insulating pull rods for circuit breakers, including a mold 18, a control console and a resin treatment device 10 for pretreating the resin. The mold 18 is provided with a vertically arranged cylindrical mandrel 7, and the mandrel 7 The outer circumference is sleeved with a circular heat-insulating sleeve 13, which is used as the outer mold of the mold 18. The axis of the heat-insulating sleeve 13 coincides with the mandrel 7, and the ring between the heat-insulating sleeve 13 and the mandrel 7 The shaped cavity is an inner cavity 9 for preparing an insulating pull rod; the upper and lower circumferential outer surfaces of the heat insulating sleeve 13 are provided with connecting threads 8, and the top and bottom of the mandrel 7 are respectively provided with an end sealing flange 6, The circumferential inner wall of the end-sealing flange 6 is provided with a thread that is sealing...

Embodiment 2

[0038] Use the preparation equipment described in embodiment 1 to prepare the method for the insulation pull rod of circuit breaker, the steps of this preparation method are:

[0039] (1) Mold preparation: first clean the surface of the inner cavity of the mold, the outer surface of the mandrel and the end seal flange and apply a release agent, then roll the carbon fiber cloth on the mandrel flatly, and when the mandrel When the diameter of the carbon fiber cloth on the top is rolled to the size of the inner diameter of the heat insulation sleeve, the carbon fiber cloth is cut; the mandrel wrapped around the carbon fiber cloth is put into the inside of the heat insulation sleeve, and the sealing gasket is placed in the end sealing flange, and then the end sealing flange is placed. The sealing flange and the heating sleeve are tightly sealed, and the heating knob is adjusted to heat the mold to 130°C;

[0040] (2) Mold vacuuming: adjust the air valve and vacuum control knob, co...

Embodiment 3

[0046] Use the preparation equipment described in embodiment 1 to prepare the method for the insulation pull rod of circuit breaker, the steps of this preparation method are:

[0047] (1) Mold preparation: first clean the surface of the inner cavity of the mold, the outer surface of the mandrel and the end seal flange and apply a release agent, then roll the carbon fiber cloth on the mandrel flatly, and when the mandrel When the diameter of the carbon fiber cloth on the top is rolled to the size of the inner diameter of the heat insulation sleeve, the carbon fiber cloth is cut; the mandrel wrapped around the carbon fiber cloth is placed inside the heat insulation sleeve, and the sealing gasket is placed in the end seal flange. , Tighten and seal the end seal flange with the heating jacket, adjust the heating knob to heat the mold to 180°C;

[0048] (2) Mold vacuuming: adjust the air valve and vacuum control knob, control the vacuum pump to vacuum the inner cavity, and the vacu...

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Abstract

The invention discloses a preparation apparatus and a preparation method for an insulated pull rod used for a circuit breaker. Specifically, the invention provides a preparation apparatus for an insulated pull rod used for a circuit breaker, and also provides a method of preparing the insulated pull rod by the apparatus. By combing the apparatus and the method, the insulated pull rod with homogeneous texture, no air gap and moisture can be prepared, thus ensuring the electromechanical properties of the insulated pull rod. Also, no organic solvent is involved in the raw materials, and repeated heating is not needed, thus being conducive to environmental protection and energy saving. Also, vacuum pressure is adopted for one-step molding, threads can be formed at the end of the insulated pull rod, and the influence of machining on the strength of the insulated pull rod can be avoided. Therefore, compared with insulated pull rods prepared by traditional processes, the insulated pull rod prepared by the apparatus and method provided by the invention has excellent electromechanical properties and insulating properties.

Description

technical field [0001] The present invention relates to a preparation device and method for an insulating pull rod for a circuit breaker using sulfur hexafluoride as a medium, in particular to a preparation device and method for an insulating pull rod for a circuit breaker, the insulating pull rod is used for using sulfur hexafluoride as a medium medium in the circuit breaker. Background technique [0002] Epoxy fiber reinforced materials can be widely used in various electrical engineering fields. According to the different fields involved, different materials and production processes are selected to obtain the best product performance. [0003] General materials adopt the method of resin heating and curing. These manufacturing methods are produced under normal temperature and atmospheric conditions, which are greatly affected by the environment. Each production method requires special equipment to produce products with specific shapes, especially pipes ( Tube) shaped pro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C70/30
CPCB29C70/36
Inventor 王峰
Owner GOODE EIS SUZHOU CORP LTD
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