CN113983904A - Motor stator and rotor air gap value detection device and method - Google Patents
Motor stator and rotor air gap value detection device and method Download PDFInfo
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- CN113983904A CN113983904A CN202111259673.5A CN202111259673A CN113983904A CN 113983904 A CN113983904 A CN 113983904A CN 202111259673 A CN202111259673 A CN 202111259673A CN 113983904 A CN113983904 A CN 113983904A
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- reference body
- scale
- air gap
- bolt
- stator
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- 238000001514 detection method Methods 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims description 10
- 230000001681 protective effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 229910052755 nonmetal Inorganic materials 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
Abstract
The invention discloses a motor stator and rotor air gap detection device, and relates to the technical field of air gap detection. The device comprises a reference body and a measuring body, wherein the reference body is in a hollow cylindrical shape, two end faces of the reference body are planes vertical to an axis, the measuring body comprises a conical head part and a scale part, the conical head part and the scale part are integrally formed into a conical shaft shape, the conical head part and the scale part have a fixed taper proportion, and scale lines converted through the taper proportion are arranged on the scale part; the taper head stretches into the reference body, and the most advanced alignment of reference body one end and taper head, the other end overlap in the outside of scale portion, and the tip of this department is provided with locking device, and locking device includes nut and bolt, and on the nut was fixed in the reference body, and opened on the reference body have with the corresponding hole in nut internal thread hole, the bolt passed the nut can stretch into the corresponding hole of opening on the reference body. The invention has simple manufacture, convenient use, quick and effective reading and use and higher practical value.
Description
Technical Field
The invention relates to the technical field of air gap detection, in particular to a device and a method for detecting an air gap of a stator and a rotor of a motor.
Background
The motor is an important component of the manufacturing industry and plays an important role in the whole industry chain; in the current intelligent manufacturing era, the improvement of the reliability of the motor is one of the core problems for improving the manufacturing level of the motor.
The reliability of the whole motor is the result of the combined action of multiple factors such as drawing precision, accessory materials, machining precision, assembly precision and the like. During theoretical calculation of research personnel in a motor research and development stage, unilateral magnetic tension is one of important consideration factors, and a motor stator and rotor air gap value is a key parameter for unilateral magnetic tension calculation. However, no device or method for accurately measuring the air gap value of the stator and the rotor of the motor exists at present. Therefore, the air gap parameter can be selected only by the evaluation of experience or the evaluation of dimension chain, so the accuracy of the calculation result is not high. There is no device or method in the industry to accurately measure the air gap value of the stator and the rotor of the motor, so a device capable of measuring the air gap value of the stator and the rotor of the motor needs to be developed.
Disclosure of Invention
The invention provides a device and a method for detecting an air gap of a stator and a rotor of a motor, aiming at solving the problem that no method or device exists in the air gap value detection industry of the existing motor and can only be obtained by empirical estimation or size chain estimation.
The invention is realized by the following technical scheme: a motor stator and rotor air gap detection device comprises a reference body and a measuring body, wherein the reference body is in a hollow cylindrical shape, two end faces of the reference body are planes perpendicular to an axis, the measuring body comprises a conical head and a scale part, the conical head and the scale part are integrally formed into a conical shaft shape, the conical head and the scale part have a fixed taper proportion, and scale marks converted through the taper proportion are arranged on the scale part; the taper head stretches into the reference body, the most advanced alignment of reference body one end and taper head, the other end overlap in the outside of scale portion, and the tip of this department is provided with locking device, locking device includes nut and bolt, the nut is fixed in on the reference body, and opens on the reference body have with the corresponding hole in nut internal thread hole, bolt and nut threaded connection, and the bolt can stretch into the corresponding hole of opening on the reference body, the bolt can support when revolving to twist and fasten and lean on scale portion.
The invention relates to a motor stator and rotor air gap detection device which is researched and designed, mainly utilizes the taper of a cone to carry out width conversion, obtains a measured scale value and marks the scale value on a measuring instrument, and then utilizes the length of the cone extending into an air gap to read the scale. The device mainly comprises a reference body and a measuring body, wherein the reference body is in a hollow cylinder shape, two end faces are planes vertical to an axis, one end of the reference body is used for abutting against a measured position, and the other end of the reference body is used for accurately reading a measured value. The measuring body stretches into the reference body, taper head and scale portion including integrated into one piece, taper head and scale portion are the awl axle form, and both have fixed tapering proportion, be equipped with the scale mark through tapering proportion conversion on the scale portion, be used for reading the value, the taper head of measuring the body stretches into the reference body, the most advanced alignment of reference body one end and taper head, the other end overlaps in scale portion outside, and the tip of this department is provided with locking device, a relative slip does not have when measuring to target in place for making the reference body and measuring the body, locking device mainly includes nut and bolt, the nut is fixed in on the reference body, and open on the reference body have the hole corresponding with nut internal thread hole, bolt and nut threaded connection, and the corresponding hole of opening on the bolt protractile reference body, be used for can support when revolving to twist the fastening and lean on scale portion. The invention has the following specific operations: an operator holds the waist of the reference body with a hand, so that the ends of the conical head of the reference body and the measuring body are abutted against the end surface of the stator core or the rotor core, then manually pushes the scale part of the measuring body, the conical head extends out of the reference body, the air gap of the stator and the rotor of the motor is inserted, the air gap is continuously pushed towards the center position of the motor until the conical edge surface of the conical head is contacted with the edge surface of the stator and the rotor core of the motor, at the moment, the scale part is stopped to be pushed, the bolt of the locking device is rotated, the bolt is contacted with the scale part, so that the reference body and the measuring body are in a relatively static state, at the moment, the measured value of the scale part is read, the value displayed by the scale line of the scale part aligned with the end part of the reference body is the air gap actual measured value, and the locking device is released after the use, so that the conical head of the measuring body is retracted into the reference body.
Preferably, a protective pad is arranged between the bolt and the scale part of the locking device, so as to prevent the bolt head from damaging the surface of the measuring body, and the protective pad is made of a material with surface hardness smaller than that of the measuring body and has wear-resisting property.
Preferably, the reference body is made of a metal or non-metal material with stability and rigidity.
Preferably, the tail part of the scale part is also connected with a handle, the shape of the handle is not limited, and the purpose is to facilitate an operator to grab the measuring body, so that the measuring body is pulled out after the measurement is finished; furthermore, the end part of the scale part of the measuring body is provided with a threaded hole connected with a handle, and further, the handle is in a pull ring shape.
Compared with the prior art, the invention has the following beneficial effects: the device and the method for detecting the air gap between the stator and the rotor of the motor are simple to manufacture, convenient and fast to use, capable of being read and used quickly and effectively and high in practical value.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the measurement use of the present invention.
The figures are labeled as follows: 1-reference body, 2-measuring body, 3-protective pad, 4-locking device, 5-handle, 201-conical head, 202-scale part, 6-stator iron core, 7-stator pressing plate, 8-rotor iron core and 9-rotor pressing plate.
Detailed Description
The present invention is further illustrated by the following specific examples.
A motor stator and rotor air gap detection device is disclosed as shown in figure 1: the measuring device comprises a reference body 1 and a measuring body 2, wherein the reference body is in a hollow cylindrical shape, two end faces of the reference body are planes vertical to an axis, the measuring body 2 comprises a conical head 201 and a scale part 202, the conical head 201 and the scale part 202 are integrally formed into a conical shaft shape, the conical head 201 and the scale part 202 have a fixed taper proportion, and scale marks converted through the taper proportion are arranged on the scale part 202; the base member 1 is stretched into to toper head 201, the most advanced alignment of base member 1 one end and toper head 201, the other end overlaps outside graduation portion 202, and the tip of this department is provided with locking device 4, locking device 4 includes nut and bolt, the nut is fixed in on the base member 1 and on the base member 1 open have with the corresponding hole in nut internal thread hole, bolt and nut threaded connection, and the corresponding hole of bolt protractile base member 1 go up the division, the bolt can lean on graduation portion 202 when revolving the fastening.
In the embodiment, a preferable scheme is adopted, and a protective pad 3 is arranged between the bolt of the locking device 4 and the scale part 202; the reference body 1 is made of a metal or nonmetal material with stability and rigidity, and a metal rigid material is adopted in the embodiment; the tail part of the scale part 202 is also connected with a handle 5, and the end part of the scale part 202 is provided with a threaded hole connected with the handle 5; the handle 5 is in a ring shape.
The embodiment specifically operates as follows: an operator holds the waist of the reference body 1 with a hand to make the ends of the conical head 201 of the reference body 1 and the measuring body 2 abut against the end surface of the stator core or the rotor core, then manually pushes the scale part 202 of the measuring body 2 to make the conical head 201 extend out of the reference body 1, inserts the air gap of the motor stator and the rotor, and continuously pushes towards the center position of the motor until the conical edge surface of the conical head 201 contacts with the edge surface of the motor stator and rotor core, at this time, the scale part 202 stops pushing, the bolt of the locking device 4 is rotated to make the bolt abut against the protective pad 3, the protective pad abuts against the scale part 202, so that the reference body 1 and the measuring body 2 are in a relatively static state, at this time, the measured value of the scale part 202 is read, the value displayed by the scale line of the scale part 202 aligned with the end of the reference body 1 is the air gap actual measured value, after use, the locking device 4 is loosened, the measuring body 2 is pulled out by using the handle 5, the tapered head 201 is retracted into the reference body 1 and the entire device is stored in a cool and dry place.
The scope of the invention is not limited to the above embodiments, and various modifications and changes may be made by those skilled in the art, and any modifications, improvements and equivalents within the spirit and principle of the invention should be included in the scope of the invention.
Claims (7)
1. The utility model provides a motor stator rotor air gap detection device which characterized in that: the measuring device comprises a reference body (1) and a measuring body (2), wherein the reference body is in a hollow cylindrical shape, two end faces of the reference body are planes vertical to an axis, the measuring body (2) comprises a conical head part (201) and a scale part (202), the conical head part (201) and the scale part (202) are integrally formed into a conical shaft shape, the conical head part and the scale part have a fixed taper proportion, and scale lines converted through the taper proportion are arranged on the scale part (202); the utility model discloses a bolt, including base standard, toper head (201), locking device (4), nut and bolt, toper head (201) stretch into base standard (1), base standard (1) one end aligns with the most advanced of toper head (201), and the other end overlaps in scale portion (202) outside, and the tip of this department is provided with locking device (4), locking device (4) include nut and bolt, the nut is fixed in on base standard (1), and goes up to open on base standard (1) has the hole corresponding with nut internal thread hole, bolt and nut threaded connection, and the bolt can stretch into the corresponding hole of opening on base standard (1), the bolt can support when revolving the fastening and lean on scale portion (202).
2. The device for detecting the air gap between the stator and the rotor of the motor as claimed in claim 1, wherein: and a protective pad (3) is arranged between the bolt of the locking device (4) and the scale part (202).
3. The device for detecting the air gap between the stator and the rotor of the motor as claimed in claim 1, wherein: the reference body (1) is made of metal or nonmetal materials with stability and rigidity.
4. The device for detecting the air gap between the stator and the rotor of the motor as claimed in claim 1, wherein: the tail part of the scale part (202) is also connected with a handle (5).
5. The device for detecting the air gap between the stator and the rotor of the motor as claimed in claim 4, wherein: the end part of the scale part (202) of the measuring body (2) is provided with a threaded hole connected with the handle (5).
6. An electric machine stator-rotor air gap detection device according to claim 4 or 5, characterized in that: the handle (5) is in a pull ring shape.
7. A method for detecting an air gap between a stator and a rotor of an electric machine, the method being implemented in the detection device of claim 1, wherein: an operator holds the waist of the reference body (1) with a hand, so that the ends of the conical head (201) of the reference body (1) and the measuring body (2) are abutted against the end surface of a stator core or a rotor core, then manually pushes the scale part (202) of the measuring body (2), so that the conical head (201) extends out of the reference body (1), inserts an air gap of a stator and a rotor of a motor, and continuously pushes towards the center position of the motor until the conical edge surface of the conical head (201) is contacted with the edge surface of the stator and the rotor core of the motor, at the moment, the scale part (202) is stopped being pushed, a bolt of the locking device (4) is rotated, the bolt is contacted with the scale part (202), so that the reference body (1) and the measuring body (2) are in a relatively static state, at the moment, the measured value of the scale part (202) is read, and the scale line displayed value of the scale part (202) aligned with the end of the reference body (1) is an actual measured value, after use, the locking device (4) is released, and the conical head of the measuring body (2) is retracted into the reference body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111259673.5A CN113983904A (en) | 2021-10-28 | 2021-10-28 | Motor stator and rotor air gap value detection device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111259673.5A CN113983904A (en) | 2021-10-28 | 2021-10-28 | Motor stator and rotor air gap value detection device and method |
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| Publication Number | Publication Date |
|---|---|
| CN113983904A true CN113983904A (en) | 2022-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111259673.5A Pending CN113983904A (en) | 2021-10-28 | 2021-10-28 | Motor stator and rotor air gap value detection device and method |
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| Country | Link |
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| CN (1) | CN113983904A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10112857A1 (en) * | 2001-03-16 | 2002-10-02 | Pf Schweistechnologie Gmbh | Measurement of separation between pipe and sleeve or muff, especially for use in heating filament welding, where separation must be within set tolerance values to ensure good weld is made |
| CN205860953U (en) * | 2016-07-05 | 2017-01-04 | 国家电网公司 | A kind of generator air gap survey tool |
| CN208382996U (en) * | 2018-05-03 | 2019-01-15 | 嘉兴东誉建设有限公司 | Wedge-shaped feeler gauge |
| CN110030897A (en) * | 2019-04-29 | 2019-07-19 | 一汽轿车股份有限公司 | A kind of measuring tool in automobile gap and segment difference |
| CN209431985U (en) * | 2018-12-29 | 2019-09-24 | 北京精正兴工程建设监理有限公司 | Vernier caliper |
-
2021
- 2021-10-28 CN CN202111259673.5A patent/CN113983904A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10112857A1 (en) * | 2001-03-16 | 2002-10-02 | Pf Schweistechnologie Gmbh | Measurement of separation between pipe and sleeve or muff, especially for use in heating filament welding, where separation must be within set tolerance values to ensure good weld is made |
| CN205860953U (en) * | 2016-07-05 | 2017-01-04 | 国家电网公司 | A kind of generator air gap survey tool |
| CN208382996U (en) * | 2018-05-03 | 2019-01-15 | 嘉兴东誉建设有限公司 | Wedge-shaped feeler gauge |
| CN209431985U (en) * | 2018-12-29 | 2019-09-24 | 北京精正兴工程建设监理有限公司 | Vernier caliper |
| CN110030897A (en) * | 2019-04-29 | 2019-07-19 | 一汽轿车股份有限公司 | A kind of measuring tool in automobile gap and segment difference |
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