DC motor

A technology for DC motors and motor bases, which is applied in the direction of DC commutators, electrical components, electromechanical devices, etc., and can solve problems such as the inability to meet the structure and sealing requirements of DC motors at the same time, and achieve the effect of convenient test and debugging and high protection level

Inactive Publication Date: 2014-12-17

XIAN TECH FULL SIMO MOTOR

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AI-Extracted Technical Summary

Problems solved by technology

[0004] The invention provides a DC motor applied to an electric actuator of a nuclear-level valve to solve the problems in the prior art that the structure and sealin...

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Method used

[0018] In the present invention, the commutator end cover adopts a double-layer end cover structure, which not only ensures the stru...

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Abstract

The invention discloses a DC motor. The DC motor is applied to a nuclear-level valve electric executing mechanism, comprising a motor seat, a shaft extending end cover and a reverser end cover, wherein the shaft extending end cover is of a single-layer end cover structure and arranged at one end of the motor seat; the reverser end cover is of a double-layer end cover structure and arranged at the other end of the motor seat. According to the DC motor, the reverse end cover is of the double-layer end cover structure through which the structure and sealing requirements of the DC motor are ensured, and meanwhile, the testing, debugging, use and maintaining processes of the DC motor are conveniently performed; the special requirements of a nuclear power environment can be further met, and the protecting grade is high.

Application Domain

DC commutator

Technology Topic

EngineeringNuclear power +2

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Examples

Experimental program(1)

Example Embodiment

[0014] In order to make the objectives, technical solutions, and advantages of the present invention clearer, the embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings.

[0015] The preferred embodiment of the present invention discloses a DC motor, which is applied to a nuclear valve electric actuator, and includes a motor base 5 and a shaft extension end cover, which is arranged at one end of the motor base 5. The end cover is a single-layer end cover structure; and the commutator end cover is arranged at the other end of the motor frame 5, and the commutator end cover is a double-layer end cover structure.

[0016] As a preferred mode of the present invention, in this preferred embodiment, the shaft extension end cover adopts a flange end cover 1; the commutator end cover includes a first end cover 2 arranged on the outside, and the first end cover is a blind cover The structure is used to protect the equipment inside the motor frame 5; the commutator end cover also includes a second end cover 3 arranged on the inner side, and the second end cover has an opening for observing the sparks inside the motor frame 5 And adjustment of the brush holder 4.

[0017] In this preferred embodiment, the brush holder 4 is fixed on the inner side of the end cover of the commutator, and the first end cover 2 and the second end cover 3 are connected to the motor base 5 by a fastener 6.

[0018] In the present invention, the commutator end cover adopts a double-layer end cover structure, which not only ensures the structure and sealing requirements of the DC motor, but also facilitates the process of testing, debugging, use and maintenance of the DC motor.

[0019] The overall structure of the DC motor described in the present invention adopts a sealed design. At the same time, the seals, insulating materials, electromagnetic wires, bearings and lead wires are selected in accordance with the requirements of high temperature resistance and radiation resistance in the nuclear power environment. The electromagnetic design is 80 % Rated voltage considers electrical performance to meet starting requirements.

[0020] The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection of the present invention. Within range.

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Description & Claims & Application Information

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Classification and recommendation of technical efficacy words

High protection level

DC motor

AI-Extracted Technical Summary

Problems solved by technology

Method used

Abstract

Image

Examples

Example Embodiment

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Description & Claims & Application Information

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