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Method for binding silicon rubber belt on parallel flow ring of increased-safety explosion-proof motor

A technology of explosion-proof motors and rubber belts, which is applied in the manufacture of motor generators, electrical components, electromechanical devices, etc., can solve the problems of hidden dangers in production safety, difficult to reach the location of secondary treatment, etc., and achieve the elimination of corona and discharge, good electrical performance, cost reduction effect

Active Publication Date: 2020-04-17
上海电气集团上海电机厂有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the actual operation process, many secondary processing positions are difficult to reach, and it is difficult to implement effectively
In addition, the method of secondary discovery and secondary treatment during use also brings hidden dangers to safe production

Method used

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  • Method for binding silicon rubber belt on parallel flow ring of increased-safety explosion-proof motor
  • Method for binding silicon rubber belt on parallel flow ring of increased-safety explosion-proof motor

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Embodiment Construction

[0019] In order to better understand the technical solution of the present invention, the following will be described in detail through specific examples:

[0020] see figure 1 . A binding method of applying a silicone rubber belt to the parallel flow ring of an increased safety explosion-proof motor according to the present invention includes a parallel flow ring 1 and a silicon rubber belt 2 wrapped outside the parallel flow ring to connect the parallel flow ring 1 and the parallel flow ring. The explosion-proof connection of bracket 3 specifically includes the following steps:

[0021] Step 1: Use mica tape 4 to bind the surface of the parallel flow ring 1 to form a mica tape binding area. In order to ensure the insulation performance of the edge and to reserve enough space for the silicone rubber band binding area, the width of the mica band banding area shall be at least 270mm.

[0022] Step 2: Mark the width of the bracket in the middle of the mica band binding area t...

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Abstract

The invention discloses a method for binding a silicone rubber belt on a parallel flow ring of an increased safety explosion-proof motor. The method comprises the parallel flow ring and the silicone rubber belt coated outside the parallel flow ring and is used for carrying out explosion-proof connection on the parallel flow ring and a bracket, and comprises the following steps of: 1, binding the surface of the parallel flow ring by using a mica tape to form a mica tape binding area; 2, marking the width of a bracket in the middle of the mica tape binding area to form a bracket area, and performing silicone rubber belt binding marking at the positions, extending outwards by 30 mm, of the two sides of the bracket mark respectively, wherein the area between the two silicone rubber belt binding marks is the silicone rubber belt binding area; 3, binding a layer of silicone rubber belt in the silicone rubber belt binding area; 4, aligning the bracket with the bracket area, and fixing the parallel flow ring on the bracket by using a prepreg tape; and 5, performing VPI paint dipping on the combined device. According to the invention, air gaps can be eliminated and tip burrs are not generated, so that corona and discharge are avoided.

Description

technical field [0001] The invention relates to a method for binding a silicone rubber belt on a parallel flow ring of an increased safety explosion-proof motor, which is used in the technical field of anti-corona in motor manufacturing. Background technique [0002] For increased safety explosion-proof motors, the corona test needs to be carried out in accordance with the requirements of the national standard GB3836.10-2010, and each phase is carried out separately in explosive gas, which is the highest level of corona test requirements for motors. The parallel current ring of the increased safety motor needs to be supported by a bracket, and there will be air gaps and burrs in the mutual contact parts. When the high voltage is passed through the parallel current ring, the air gap is located in the range of high field strength, which is very easy to generate corona and tip discharge. Since the motor operates in explosive gas, corona or discharge may detonate the gas, causi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K15/00H02K15/12
CPCH02K15/00H02K15/12
Inventor 胡义才若庆
Owner 上海电气集团上海电机厂有限公司
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