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Rotor structure and servo motor

A rotor structure and rotor shaft technology, applied in electromechanical devices, electrical components, mechanical equipment, etc., can solve problems such as inability to rigidly connect, mechanical resonance, and limited performance

Active Publication Date: 2021-04-27
GREE ELECTRIC APPLIANCES INC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the servo system inevitably needs to use coupling parts such as couplings, reducers, and belts. Since these connectors have elastic deformation, they cannot be regarded as ideal rigid connections.
The elastic connection between the motor and the load limits their performance improvement; because increasing the controller gain improves the motor response while causing the instability of the flexible transmission system, that is, the phenomenon of mechanical resonance

Method used

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  • Rotor structure and servo motor
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  • Rotor structure and servo motor

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Embodiment Construction

[0032] see in conjunction Figure 1 to Figure 10 As shown, according to the embodiment of the present application, the rotor structure includes a rotor shaft 1, and an inertia disk 2 is arranged on the rotor shaft 1 along the circumferential direction. The radial position of the shaft 1 is adjustable, and each inertia disk 2 can be kept at the adjusted position.

[0033] The inertia disk 2 of this rotor structure is divided into at least two pieces along the circumferential direction, and the position of each inertia disk 2 along the radial direction of the rotor shaft 1 can be adjusted, so that the inertia of the motor side can be adjusted according to the change of the load inertia to achieve optimal The choice of inertia ratio can suppress mechanical resonance and improve system stability.

[0034] At the same time, since the inertia of the rotor structure can be adjusted, one rotor structure can match loads with various inertias, and the working range is wider. It can als...

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Abstract

The present application provides a rotor structure and a servo motor. The rotor structure includes a rotor shaft (1), on which an inertia disk (2) is arranged circumferentially, the inertia disk (2) is divided into at least two pieces along the circumference, each inertia disk (2) along the The radial position of the rotor shaft (1) is adjustable, and each inertia disc (2) can be kept at the adjusted position. According to the rotor structure of the present application, the inertia of the motor side can be adjusted according to the change of the load inertia, and the selection of the optimal inertia ratio can be realized, thereby suppressing mechanical resonance and improving system stability.

Description

technical field [0001] The present application relates to the field of motor technology, in particular to a rotor structure and a servo motor. Background technique [0002] Due to its high control precision and good working dynamic performance, the servo system is widely used in the field of modern industrial manufacturing. However, the servo system inevitably needs to use coupling components such as couplings, reducers, and belts. Since these connectors have elastic deformation, they cannot be regarded as ideal rigid connections. The elastic connection between the motor and the load limits their performance improvement; because increasing the controller gain improves the motor response while causing the instability of the flexible transmission system, that is, the phenomenon of mechanical resonance. Contents of the invention [0003] Therefore, the technical problem to be solved in this application is to provide a rotor structure and a servo motor, which can adjust the i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16F15/14H02K7/00
CPCF16F15/1464H02K7/003
Inventor 吉扬宏李峰岩王瑞东陈飞龙张育州
Owner GREE ELECTRIC APPLIANCES INC