Measuring tool for detecting armature shaft of AC generator rotor
An alternator and armature shaft technology, which is applied to measuring devices, mechanical devices, mechanical measuring devices, etc., can solve the problem of the large number of inspection tools and measuring tools, the long time required, and the difficulty in storing and storing tools such as inspection tools and measuring tools. And other issues
Pending Publication Date: 2021-06-25
成都华川电装有限责任公司
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Problems solved by technology
At present, the journal, keyway and flat square at the end of the armature shaft require different measuring tools for testing, that is, the existing measuring tools can only perform one-to-one testing for the journal, keyway and flat square of the armature shaft. Therefore, In the process of testing external cooperation parts, it takes a long time and requires a large number of inspection tools and measuring tools, and it will also cause certain difficulties in the storage and storage of tools such as inspection tools and measuring tools.
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[0020] see Figure 1 to Figure 6 , a measuring tool for detecting the armature shaft of an alternator rotor, comprising a measuring tool body 1, the center of the measuring tool body 1 is provided with a stepped hole extending axially, the large diameter section of the stepped hole is a circular hole 2, and the circle The hole 2 is used to cooperate with the journal 4-2 of the tested armature shaft to detect the size and shape of the journal 4-2 of the tested armature shaft 4. The small diameter section of the stepped hole is a flat hole 3, which The flat hole 3 is used to cooperate with the flat square 4-1 of the measured armature shaft. The shape of the flat hole 3 matches the cross-sectional shape of the flat square 4-1. 1 Size and shape are detected. One end of the measuring tool body 1 is symmetrically provided with two radially extending gauge block installation grooves 5, through which the assembly position of the "L" shaped gauge block 6 can be positioned, the gauge b...
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A measuring tool for detecting an armature shaft of a rotor of an AC generator comprises a measuring tool body, the center of the measuring tool body is provided with a stepped hole extending axially, the large-diameter section of the stepped hole is a round hole which is used for being matched with a shaft neck of the detected armature shaft, and the small-diameter section of the stepped hole is a flat hole which is used for being matched with a flat square of the detected armature shaft. Two measuring block installation grooves extending in the radial direction are symmetrically formed in the end face of one end of the measuring tool body, the the diameter penetrating through the two measuring block installation grooves is perpendicular to two straight edges of the flat hole, the two L-shaped measuring blocks are fixedly installed in the measuring block installation grooves of the measuring tool body respectively, and long arms of the L-shaped measuring blocks are installation parts fixedly connected with the measuring block installation grooves. Short arms of the L-shaped measuring blocks are measuring parts extending into the circular hole of the measuring tool body, the thickness of the measuring parts is matched with the depth of a key groove of a measured armature shaft, the width of the measuring parts is matched with the width of the key groove of the measured armature shaft, and the distance between the two measuring parts of the two L-shaped measuring blocks is equal to the width between two straight edges of a flat square of the measured armature shaft.
Description
technical field [0001] The invention relates to the technical field of detection of an alternator rotor, in particular to a measuring tool for detecting an armature shaft of an alternator rotor. Background technique [0002] As the link of capacity conversion between the alternator and the equipment, the armature shaft plays the role of supporting the rotating parts, transmitting the torque, and can determine the relative position of the rotating parts. It is an important part of the alternator. The armature shaft The manufacturing accuracy of the armature directly affects the running effect of the motor. Therefore, the shape and size of the armature shaft must be tested before leaving the factory. At present, the journal, keyway and flat square at the end of the armature shaft require different measuring tools for testing, that is, the existing measuring tools can only perform one-to-one testing for the journal, keyway and flat square of the armature shaft. Therefore, In t...
Claims
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IPC IPC(8): G01B5/00
CPCG01B5/00
Inventor 白爽宏黄少波李妮
Owner 成都华川电装有限责任公司