Large motor stator installation structure and method

A large-scale motor and installation structure technology, applied in the manufacture of stator/rotor body, etc., can solve problems such as the inability to measure and adjust the clearance of the inner circle of the stator, and the difficulty in ensuring the coaxiality of the outer circle of the rotor and the inner circle of the stator, etc., to achieve a simple structure , easy to operate, ensure the effect of coaxiality

Active Publication Date: 2015-03-25
CHONGQING ELECTRIC MACHINE FEDERATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In order to solve the problem that the gap between the inner circle of the stator and the outer circle of the rotor cannot be measured and adjusted, and the coaxiality between the outer circle of the ro

Method used

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  • Large motor stator installation structure and method
  • Large motor stator installation structure and method

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Example Embodiment

[0017] Attached figure 1 Schematic diagram of the stator installation structure of a large-scale motor in the prior art (for display convenience, attached figure 1 In the figure, 1 is the rotating shaft, 2 is the rotor, 3 is the stator housing, 4 is the stator, 5 is the rotor end cover, R is the rotor mounting hole radius, r is the positioning step radius, h It is the gap between the inner circle of the stator and the outer circle of the rotor. It can be seen from the figure that the prior art large-scale motor stator mounting structure uses the rotor mounting holes at both ends of the stator housing 3 as the positioning reference for the installation of the stator 4, that is, the rotor mounting holes coaxial with the inner circle of the stator are provided at both ends of the stator housing 3. A positioning step coaxial with the outer circle of the rotor is provided on the inner side of the rotor end cover 5. By precisely controlling the position and dimensional accuracy of the in

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Abstract

The invention discloses a large motor stator installation structure and method in order to solve the problem that the gap between a stator inner circle and a rotor outer circle cannot be measured or adjusted in a large motor stator installation structure existing in the prior art. Rotor installation holes coaxial with the stator inner circle are formed in the two ends of a stator shell, a positioning step coaxial with the rotor outer circle is arranged on the inner side of a rotor end cover, and the radius of the positioning step is 0.50-1.00 mm smaller than that of the rotor installation holes; three or more measuring holes are uniformly formed in the circumference of the portion, corresponding to the gap between the stator inner circle and the rotor outer circle, of the rotor end cover; three or more positioning pins are uniformly arranged on the outer side of the circumference of the positioning step of the rotor end cover. The large motor stator installation structure and method have the advantages that the gap between the stator inner circle and the rotor outer circle can be measured and adjusted in an installation process, coaxiality of the rotor outer circle and the stator inner circle is effectively guaranteed, the structure is simple and operation is convenient.

Description

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Claims

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Application Information

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Owner CHONGQING ELECTRIC MACHINE FEDERATION
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