Stator testing bulging tool and application method thereof
A technology for testing tooling and bulging, applied in the direction of mechanical diameter measurement, etc., can solve the problems of increasing inspection and maintenance costs, and achieve the effects of reducing stator inspection costs, improving stator quality, and improving pass rate.
Active Publication Date: 2014-04-23
GUANGZHOU JIATELI MOTOR IND
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Problems solved by technology
The compressor motor detection tool disclosed in the patent application number 201220322441 uses an auxiliary positioning sleeve corresponding to the stator specification to position the stator to limit the air gap between the stator and the rotor. This auxiliary positioning sleeve has a simple structure, but requires different specifications The stator is equipped with an auxiliary positioning sleeve, which increases the cost of inspection and maintenance
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[0042] The present invention will be further described below with specific embodiment:
[0043] refer to Figure 1 to Figure 3 , Stator test bulging tooling, including: expansion sleeve 1, pull shaft 2, top cone sleeve 3, washer 4 and tightening nut 5.
[0044] Expansion sleeve 1, the expansion sleeve 1 is in the shape of a cylinder, its outer diameter is slightly smaller than the inner diameter of the stator core, and its height is slightly greater than the height of the stator core; the periphery of the expansion sleeve 1 is staggered with four first longitudinal micro-slits 11 and 4 second longitudinal micro-slits 12, the first longitudinal micro-slits 11 extend from one end of the cylinder to 4 / 5 of the height of the cylinder to form a unilateral opening, and the second longitudinal micro-slits 12 extend from the other end of the cylinder A unilateral opening is formed at 4 / 5 of the height of the cylinder, the first longitudinal micro-slit 11 and the second longitudinal m...
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The invention relates to the overall performance testing equipment for stators, and provides a stator testing bulging tool. The stator testing bulging tool comprises a bulging sleeve, a pull shaft, a top taper sleeve, a gasket and a tightening nut, wherein the bulging sleeve is cylindrical, and at least four first longitudinal micro-grooves open at one single side and at least four second longitudinal micro-grooves are evenly formed at the circumference of the bulging sleeve in a staggered way; a taper seat part is arranged at one end of the pull shaft, external threads are formed at the other end of the pull shaft, and a penetrating shaft hole is formed at the center of the pull shaft; the top taper sleeve is provided with a through hole which is slightly greater than the pull shaft in diameter; the gasket is cylindrical and can be sleeved to the pull shaft; the tightening nut is provided with internal threads matched with the external threads of the pull shaft; the pull shaft is capable of orderly penetrating through the bulging sleeve, the top taper sleeve and the gasket, and tightened by the tightening nut, so that the taper seat part of the pull shaft and the top taper sleeve most or all extend into the bulging sleeve. The stator testing bulging tool is capable of finishing the inner diameter of the stator to accord with the overall performance of electric appliances; during motor detection, a stator is pre-mounted on the testing tool, and an air gap between the stator and the rotor is limited quickly. The stator testing bulging tool is simple in structure, convenient to use, and capable of improving the quality of the stator and reducing the stator detection cost.
Description
technical field [0001] The invention relates to the technical field of stator manufacturing, in particular to comprehensive performance testing equipment for stators. Background technique [0002] In the stator manufacturing technology, the stator iron core has several forms of welding, buckle riveting and loose pieces. The stator iron pieces in the form of loose pieces are often not neat enough, which affects the overall performance of the stator. [0003] During the type test of the compressor motor, it is necessary to put the stator and rotor of the compressor motor into the test tool, and the test tool 7 is as follows: Figure 7 As shown, it includes the rotor fixed shaft 71 and the stator clamping tool 72. The rotor is installed on the rotor fixed shaft 71 (not shown in the figure), the stator is installed on the stator clamping tool 72, and the air between the rotor and the stator is adjusted. Gap, and finally power on to detect relevant data with a detection instrumen...
Claims
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IPC IPC(8): B21D3/00G01B5/12
Inventor 段国强韩乃文王利茹陆思明
Owner GUANGZHOU JIATELI MOTOR IND