Method for rapidly positioning penetrating screw rod holes of generator motor stator

A technology for generator motors and through-hole screws, which is applied in the manufacture of stator/rotor bodies, etc., which can solve the problems of secondary cleaning of stator punching, low positioning efficiency, and heavy positioning workload, achieving small positioning workload and high positioning efficiency , Reduce the effect of positioning workload

Active Publication Date: 2015-03-04
STATE GRID CORP OF CHINA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the existing positioning method for the stator through-hole screw hole of the generator motor has the problems of large positioning workload, low positioning efficiency, and the need for secondary cleaning and secondary storage of stator punching.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] The present invention will be further described below in conjunction with the examples, but not as a basis for limiting the present invention.

[0016] Example. The method for quickly locating the through-hole screw hole of the stator of the generator motor includes the following steps:

[0017] a. Install the large equal-section positioning ribs, and weld the supporting plate for fixing the large equal-section positioning ribs to each layer of the ring plate of the stator frame from the inside to the outside in the radial direction;

[0018] b. Based on the chord length which is 1 / 10 of the circumference of the entire circle, the stator punches are stacked by the half-lap method. The stacking thickness is the thickness of 10 stator punches, and they are positioned with positioning pins as the core. Screw hole template;

[0019] c. Insert the shaping rod into the notch of the stator punch to adjust the uniformity of the stator punch in the through-hole screw hole temp...

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PUM

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Abstract

The invention discloses a method for rapidly positioning penetrating screw rod holes of a generator motor stator. The method comprises the steps: mounting big equalization positioning ribs; stacking up stator punching plates; adjusting the uniformity of the stator punching plates and checking notch grinding situations of the stator punching plates; assembling a penetrating screw rod sample plate, making mark points and punching holes. In the method, the stator punching plates are stacked up in a half overlapping method; the stacked stator punching plates are positioned with a positioning bolt and used as a penetrating screw rod hole sample plate; the penetrating screw rod hole sample plate is assembled for positioning the stator; the penetrating screw rod hole sample plate is dismounted and then the stator is punched; and the penetrating screw rod hole sample plate can be repeatedly used to position the stator. The method for rapidly positioning the penetrating screw rod holes of the generator motor stator has the advantages of small amount of positioning work, high positioning efficiency and accurate positioning; the secondary washing and the secondary storage of the stator punching plates can be avoided.

Description

technical field [0001] The invention relates to a positioning method for a through-hole screw hole of a stator of a generator motor, in particular to a positioning method for a through-hole screw hole of a stator of a generator motor capable of rapid positioning. Background technique [0002] At present, the main steps of installing the stator core of the generator motor in the pumped storage power station are: stator base circle assembly, machine base combined seam welding, central measuring circle frame installation, base center and level adjustment, positioning rib installation, center piercing Screw hole processing, stator punching stacked into stator core, through-core screw compressing stator core and iron loss test and final acceptance, among which through-hole screw hole processing requires accurate positioning of the through-hole screw hole position, so that the stator After the cores are stacked, the core screw can correctly compress the stator core. [0003] The ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K15/02
Inventor 赵宏图赵志文王龙孙领
Owner STATE GRID CORP OF CHINA
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