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Permanent magnetic submersible linear motor and manufacturing method thereof

A technology of linear motors and manufacturing methods, which is applied in the direction of manufacturing motor generators, electrical components, electromechanical devices, etc., can solve the problems of large friction and wear of the sliding support structure of the mover, and achieve avoidance of welding procedures, high precision, and processing accuracy and loose effect on size requirements

Active Publication Date: 2017-04-19
PETROCHINA CO LTD +1
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  • Application Information

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Problems solved by technology

[0004] The main purpose of the present invention is to provide a permanent magnet submersible linear motor and its manufacturing method to solve the problem of large friction and serious wear of the moving element sliding support structure

Method used

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  • Permanent magnetic submersible linear motor and manufacturing method thereof
  • Permanent magnetic submersible linear motor and manufacturing method thereof
  • Permanent magnetic submersible linear motor and manufacturing method thereof

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Embodiment Construction

[0024] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and embodiments.

[0025] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0026] For the convenience of description, spatially relative terms may be used here, such as "on ...", "over ...", "on the surface of ...", "above", etc., to describe...

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Abstract

The invention provides a permanent magnetic submersible linear motor and a manufacturing method thereof. The permanent magnetic submersible linear motor comprises a mover, a stator and a casing which are sequentially arranged from inside to outside, and resin filling materials are embedded into a gap between the stator and the mover and a gap between the stator and the casing. According to the permanent magnetic submersible linear motor, the gap between the stator and the mover and the gap between the stator and the casing are embedded through the resin filling materials, fully mixing and stirring the filling materials and then embedding the filling materials into the motor stator with an embedding tire are only required in an embedding process, welding during connecting a stainless steel cylinder with a stator core can be avoided, improving safety and quality reliability of the motor is facilitated, moreover, the embedded materials after curing exist in a solid mode, so the motor needs no quite high sealingness, processing precision and dimension requirements of each part of the motor are relatively loose, dimension in the embedding process depends on the embedding tire, and precision is higher compared with the stainless steel cylinder.

Description

technical field [0001] The invention relates to the field of motors, in particular to a permanent magnet submersible linear motor and a manufacturing method thereof. Background technique [0002] Permanent magnet oil submersible linear motors have been more and more widely used in the field of oil exploration, and the harsh environmental conditions of oil fields also put forward higher requirements for the mechanism of permanent magnet oil submersible linear motors. Due to the high temperature, high pressure and other factors that are not conducive to the operation of the motor in the downhole of the oil field, it is required that the motor itself has a structure and function of high pressure and high temperature resistance. The traditional method is: 1. Strengthen the mechanical structure strength and sealing of the motor to prevent the structural damage of the motor under high pressure to the greatest extent, and at the same time prevent external liquid from entering the i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K41/03H02K15/00
Inventor 师国臣王凤山孙延安单红宇于波张敏于德亮
Owner PETROCHINA CO LTD
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