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High-speed motor rotor

A high-speed motor and motor shaft technology, applied in asynchronous induction motors, electrical components, electromechanical devices, etc., to ensure normal operation and prevent copper bars from being thrown out.

Pending Publication Date: 2019-03-22
WOLONG ELECTRIC GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims at the deficiency that the copper strips may be thrown out when the existing cast copper rotor is applied to a

Method used

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  • High-speed motor rotor
  • High-speed motor rotor
  • High-speed motor rotor

Examples

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Embodiment 1

[0036] see Figure 1 to Figure 10 , a high-speed motor rotor according to Embodiment 1 of the present invention, including a motor shaft 1 and a copper bar rotor assembly sleeved on the motor shaft 1, the copper bar rotor assembly includes an iron core 2 and a plurality of shafts arranged in the iron core 2 The two ends of the copper bar 3 are exposed to the iron core 2, and a pair of guard rings 6 are sleeved and fixed on the motor shaft 1, and the guard rings 6 are located outside the two axial ends of the copper bar rotor assembly. , the guard ring 6 is in contact with the copper bar rotor assembly.

[0037] see figure 1 with figure 2 A high-speed motor rotor according to Embodiment 1 of the present invention includes a motor shaft 1 , an iron core 2 , a copper bar 3 , an end ring 4 , a pressure ring 5 and a guard ring 6 . The copper bar rotor assembly includes an iron core 2 , a copper bar 3 , an end ring 4 and a pressure ring 5 .

[0038] see Figure 3 to Figure 10 ...

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Abstract

The invention belongs to the technical field of motor rotors, and in particular relates to a high-speed motor rotor. Aiming at the deficiency that a copper strip is thrown out possibly when an existing cast copper rotor is applied to a high-speed motor, the high-speed motor rotor adopts the technical scheme that: the high-speed motor rotor comprises a motor rotating shaft and a copper strip rotorassembly sleeving the motor rotating shaft, wherein the copper strip rotor assembly comprises an iron core and a plurality of axial copper strips arranged in the iron core; both ends of each copper strip are exposed out of the iron core; and retaining rings sleeve the motor rotating shaft, a pair of the retaining rings are arranged, the retaining rings are arranged on the axial outer ends of the copper strip rotor assembly, and the retaining rings are in contact with the copper strip rotor assembly. The high-speed motor rotor has the beneficial effects of effectively preventing the copper strips from being thrown out during operation of the motor by arranging the retaining rings at both ends of the copper strip rotor assembly, and guaranteeing normal operation of the motor.

Description

technical field [0001] The invention belongs to the technical field of motor rotors, and in particular relates to a high-speed motor rotor. Background technique [0002] At present, the rotor structure of small and medium-sized motors is mostly cast aluminum rotors, and there are also very few cast copper rotors and copper bar rotors. Cast aluminum rotors are widely used, and cast copper rotors are a new technology, and the technology is still in the stage to be perfected. If these two rotors are applied to high-speed motors, although there are advantages in price, high-speed motors have extremely high requirements for cast aluminum rotors and cast copper rotors, and there are still certain deficiencies in terms of dynamic balance and performance. Cast copper rotors are used in high-speed motors, and copper bars are prone to throwing out during operation. Contents of the invention [0003] The invention aims at the deficiency that the copper bar may be thrown out when th...

Claims

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Application Information

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IPC IPC(8): H02K17/16
CPCH02K17/165
Inventor 王景辉俞钢栋姜东东
Owner WOLONG ELECTRIC GRP CO LTD
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