CN102723826B - Wind power generator structure facilitating air gap adjustment and air gap adjustment assembly method of wind power generator - Google Patents
Wind power generator structure facilitating air gap adjustment and air gap adjustment assembly method of wind power generator Download PDFInfo
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- CN102723826B CN102723826B CN 201210212727 CN201210212727A CN102723826B CN 102723826 B CN102723826 B CN 102723826B CN 201210212727 CN201210212727 CN 201210212727 CN 201210212727 A CN201210212727 A CN 201210212727A CN 102723826 B CN102723826 B CN 102723826B
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Abstract
The invention discloses an air gap adjustment assembly method of a wind power generator. The method comprises the following steps of: (A), designing clearance fit of spigots of a seat and front and rear end covers; (B), by uniformly selecting detection points at the front and rear ends of a stator (2) and a rotor (4), measuring an air gap value between the stator and the rotor; (C), according to the air gap value, adjusting an adjusting bolt, and uniformizing an air gap; and (D), drilling conical pin holes in joints of the end covers and the seat (1), positioning by using conical pins (14), and finishing assembly. The invention also discloses a structure of the wind power generator which is assembled by using the method. The invention has the advantages that the air gap uniformity of the generator is easily, conveniently and quickly adjusted, the phenomenon of air gap non-uniformity in the machining and motor assembly process can be quickly eliminated, one-sided magnetic pull which isgenerated by air gap non-uniformity of the stator and the rotor is effectively eliminated or reduced, vibration noise and electromagnetic noise are reduced, friction between the stator and the rotor is avoided, and the operating reliability of the generator is improved.
Description
Technical field
The present invention relates to technical field of wind power generator, particularly a kind of wind-driven generator air gap is regulated assembly method and wind-driven generator structure.
Background technology
Dual-feed asynchronous wind power generator is as the mainstream model of present wind power generation, air gap between the rotor big or small extremely important, it is very big to the motor performance influence, for reducing magnetizing current to improve power factor, air gap should be selected smaller, but air gap can not be too little, otherwise can make the manufacturing difficulty of generator.
Air gap eccentric centre can make generator produce unilateral magnetic force, produces electric and magnetic oscillation and noise, and causes that easily rotor wipes mutually.Therefore guarantee that the rotor air gap evenly is very important.The conventional electric generators airgap uniformity degree is to lean on the axiality of parts such as rotor, end cap seam and bearing chamber to guarantee, because the deviation of processing makes generator have off-centre all the time, influences stable operation and the useful life of motor.
Summary of the invention
The objective of the invention is to overcome the shortcoming of prior art, provide a kind of wind-driven generator air gap easy to operate, that adjusting is quick, the minimizing adjusting is consuming time to regulate assembly method and wind-driven generator structure.
Purpose of the present invention is achieved through the following technical solutions: a kind of wind-driven generator air gap is regulated assembly method, and it may further comprise the steps:
The seam of A, design generator pit and front and rear cover adopts matched in clearance, and gap width is 1～3mm;
B, along the circumferential direction go up in the rear and front end of stator, rotor symmetry and evenly to choose 6～10 test points, measure the stator of same symmetrical test point rear and front end and the air gap value between the rotor by measurement of air gap hole A and air gap measured hole B respectively;
C, according to survey air gap value, determine eccentric position, regulate the adjusting bolt A on the support simultaneously and regulate bolt B, adjusting bolt A withstands the lug on the front end housing, the adjusting bolt B is withstood the lug on the rear end cap, by regulating bolt A and adjusting bolt B with front end housing and rear end cap jack-up or falling, motor shaft is mobile with front end housing and rear end cap simultaneously, the rotor that is fixed on the motor shaft moves with motor shaft, thereby realize regulating rotor-position, finally make the rotor air gap of generator even;
D, in end cap and support junction with drilling and reaming the circular cone pin-and-hole, use the taper bolt location then, with bolt that the support, the end cap that locate is fixedly connected at last, finish assembling.
Adopt above-mentioned wind-driven generator air gap to regulate the wind-driven generator structure of assembly method assembling, it comprises support, be fixed in the stator in the support, motor shaft and the rotor that is fixed on the motor shaft, the support two ends are separately installed with front end housing and rear end cap, front end housing and rear end cap adopt seam to cooperate with support, and the seam of front end housing and rear end cap and support adopts matched in clearance, be provided with bearing pedestal in front end housing and the rear end cap, motor shaft is installed in the bearing pedestal of front and rear cover by bearing, the bottom of front end housing and rear end cap is respectively equipped with a lug, and two lugs are positioned at the symmetric position of front end housing and rear end cap, be positioned on the support of below of two lugs and be equipped with bolt hole, be separately installed with in the bolt hole of support rear and front end and regulate bolt A and regulate bolt B, regulate bolt A and be provided with the end of screw thread and contact with lug on the front end housing, the adjusting bolt B is provided with the end of screw thread and contacts with lug on the rear end cap; Front end housing and rear end cap are respectively equipped with measurement of air gap hole A and air gap measured hole B at the gap location that is positioned at rotor and stator.
The present invention has the following advantages: the wind-driven generator air gap that the present invention announces is regulated assembly method and wind-driven generator structure, make the airgap uniformity degree of generator regulate simple and efficient to handle, can eliminate the air gap inequality that produces owing in machining, the motor assembling process fast, effectively eliminate or reduced because the unilateral magnetic force that rotor air gap inequality causes, vibration and the electromagnetic noise of generator have been reduced, avoid the mutual friction of rotor phase, improved the reliability of generator operation, easy to adjust quick, the time and labour saving.
Description of drawings
Fig. 1 is structural representation of the present invention
Among the figure, the 1-support, the 2-stator, the 3-motor shaft, the 4-rotor, the 5-front end housing, the 6-rear end cap, the 7-bearing pedestal, the 8-bearing, the 9-lug, 10-regulates bolt A, and 11-regulates bolt B, 12-measurement of air gap hole A, 13-measurement of air gap hole B, 14-taper bolt.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing:
A kind of wind-driven generator air gap is regulated assembly method, and it may further comprise the steps:
A, design generator pit 1 adopt matched in clearance with the seam of front and rear cover 6, and gap width is 1～3mm;
B, along the circumferential direction go up in the rear and front end symmetry of stator 2, rotor 4 and evenly to choose 6～10 test points, measure the stator 2 of same symmetrical test point rear and front end and the air gap value between the rotor 4 by measurement of air gap hole A12 and air gap measured hole B13 respectively;
C, according to survey air gap value, determine eccentric position, regulate the adjusting bolt A10 on the support 1 simultaneously and regulate bolt B 11, adjusting bolt A10 withstands the lug 9 on the front end housing 5, adjusting bolt B 11 is withstood the lug 9 on the rear end cap 6, by regulating bolt A10 and adjusting bolt B 11 with front end housing 5 and rear end cap 6 jack-up or falling, motor shaft 3 is mobile with front end housing 5 and rear end cap 6 simultaneously, the rotor 4 that is fixed on the motor shaft 3 moves with motor shaft 3, thereby realize regulating rotor 4 positions, finally make rotor 4 air gaps of generator even;
D, in end cap and support 1 junction with drilling and reaming the circular cone pin-and-hole, use taper bolt 14 location then, with bolt that the support 1, the end cap that locate is fixedly connected at last, finish assembling.
Adopt above-mentioned wind-driven generator air gap to regulate the wind-driven generator structure of assembly method assembling, as shown in Figure 1, it comprises support 1, be fixed in the stator 2 in the support 1, motor shaft 3 and the rotor 4 that is fixed on the motor shaft 3, support 1 two ends are separately installed with front end housing 5 and rear end cap 6, front end housing 5 and rear end cap 6 adopt seam to cooperate with support 1, and front end housing 5 and rear end cap 6 adopt matched in clearance with the seam of support 1, gap width is 1～3mm, be provided with bearing pedestal 7 in front end housing 5 and the rear end cap 6, motor shaft 3 is installed in the bearing pedestal 7 of front and rear cover 6 by bearing 8, the bottom of front end housing 5 and rear end cap 6 is respectively equipped with a lug 9, and two lugs 9 are positioned at the symmetric position of front end housing 5 and rear end cap 6, be positioned on the support 1 of below of two lugs 9 and be equipped with bolt hole, be separately installed with in the bolt hole of support 1 rear and front end and regulate bolt A10 and regulate bolt B 11, regulate bolt A10 and be provided with the end of screw thread and contact with lug 9 on the front end housing 5, adjusting bolt B 11 is provided with the end of screw thread and contacts with lug 9 on the rear end cap 6.
Front end housing 5 and rear end cap 6 are respectively equipped with measurement of air gap hole A12 and air gap measured hole B13 at the gap location that is positioned at rotor 4 and stator 2.
Claims (2)
1. a wind-driven generator air gap is regulated assembly method, and it is characterized in that: it may further comprise the steps:
A, design generator pit (1) adopt matched in clearance with the seam of front and rear cover (6), and gap width is 1～3mm;
B, along the circumferential direction go up in the rear and front end symmetry of stator (2), rotor (4) and evenly to choose 6～10 test points, respectively by measurement of air gap hole A(12) and air gap measured hole B(13) stator (2) of the same symmetrical test point of measurement rear and front end and the air gap value between the rotor (4);
C, according to survey air gap value, determine eccentric position, regulate the adjusting bolt A(10 on the support (1) simultaneously) and regulate bolt B (11), adjusting bolt A(10) withstands the lug (9) on the front end housing (5), adjusting bolt B (11) is withstood the lug (9) on the rear end cap (6), by regulate regulating bolt A(10) and adjusting bolt B (11) with front end housing (5) and rear end cap (6) jack-up or fall, motor shaft (3) is mobile with front end housing (5) and rear end cap (6) simultaneously, the rotor (4) that is fixed on the motor shaft (3) is mobile with motor shaft (3), thereby realize regulating rotor (4) position, finally make rotor (4) air gap of generator even;
D, in end cap and support (1) junction with drilling and reaming the circular cone pin-and-hole, use taper bolt (14) location then, with bolt that the support (1), the end cap that locate is fixedly connected at last, finish assembling.
2. adopt wind-driven generator air gap as claimed in claim 1 to regulate the wind-driven generator structure of assembly method assembling, it is characterized in that: it comprises support (1), be fixed in the stator (2) in the support (1), motor shaft (3) and be fixed in rotor (4) on the motor shaft (3), support (1) two ends are separately installed with front end housing (5) and rear end cap (6), front end housing (5) and rear end cap (6) adopt seam to cooperate with support (1), and front end housing (5) and rear end cap (6) adopt matched in clearance with the seam of support (1), be provided with bearing pedestal (7) in front end housing (5) and the rear end cap (6), motor shaft (3) is installed in the bearing pedestal (7) of front and rear cover (6) by bearing (8), the bottom of front end housing (5) and rear end cap (6) is respectively equipped with a lug (9), and two lugs (9) are positioned at the symmetric position of front end housing (5) and rear end cap (6), be positioned on the support (1) of below of two lugs (9) and be equipped with bolt hole, be separately installed with in the bolt hole of support (1) rear and front end and regulate bolt A(10) and regulate bolt B (11), regulate bolt A(10) be provided with the end of screw thread and contact with lug (9) on the front end housing (5), adjusting bolt B (11) is provided with the end of screw thread and contacts with lug (9) on the rear end cap (6); Front end housing (5) and rear end cap (6) are respectively equipped with measurement of air gap hole A(12 at the gap location that is positioned at rotor (4) and stator (2)) and air gap measured hole B(13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210212727 CN102723826B (en) | 2012-06-26 | 2012-06-26 | Wind power generator structure facilitating air gap adjustment and air gap adjustment assembly method of wind power generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210212727 CN102723826B (en) | 2012-06-26 | 2012-06-26 | Wind power generator structure facilitating air gap adjustment and air gap adjustment assembly method of wind power generator |
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| CN102723826A CN102723826A (en) | 2012-10-10 |
| CN102723826B true CN102723826B (en) | 2013-09-25 |
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| CN 201210212727 Expired - Fee Related CN102723826B (en) | 2012-06-26 | 2012-06-26 | Wind power generator structure facilitating air gap adjustment and air gap adjustment assembly method of wind power generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4106158A4 (en) * | 2020-02-11 | 2024-02-14 | Hyosung Heavy Industries Corporation | Air gap adjustment apparatus |
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| CN103595201B (en) * | 2013-11-12 | 2016-01-20 | 周建设 | A kind of high-voltage motor air gap adjustment method |
| CN103607063B (en) * | 2013-11-15 | 2015-09-23 | 东方电气（乐山）新能源设备有限公司 | A kind of novel seam assembly structure of double-fed wind power generator and assembly method |
| CN104124844B (en) * | 2014-07-08 | 2016-08-17 | 扬州大学 | Eliminate station and tilt the method that the vertical unit motor caused installs air gap inequality |
| CN104333181B (en) * | 2014-12-02 | 2016-09-21 | 哈尔滨电机厂有限责任公司 | Light-duty whole Transporting fuel engine power generation machine general assembly method in factory |
| CN105656254A (en) * | 2014-12-03 | 2016-06-08 | 杭州中冷机电有限公司 | Motor stator installation structural member of refrigeration compressor |
| CN104467306B (en) * | 2014-12-18 | 2017-02-22 | 重庆赛力盟电机有限责任公司 | Large motor stator installation structure and method |
| CN105226848A (en) * | 2015-09-29 | 2016-01-06 | 北京金风科创风电设备有限公司 | generator and wind generating set |
| CN106411076B (en) * | 2016-11-07 | 2018-08-24 | 吉林东光奥威汽车制动系统有限公司 | A kind of Motorized vacuum pump stator and rotor clearance adjustment mechanism |
| JP6994422B2 (en) * | 2018-04-09 | 2022-01-14 | 東芝三菱電機産業システム株式会社 | Rotating machine, bearing structure, and gap inspection method |
| CN109194068B (en) * | 2018-10-19 | 2023-10-27 | 宣化钢铁集团有限责任公司 | Generator stator center adjusting device and method |
| CN111023948A (en) * | 2019-12-26 | 2020-04-17 | 上海电气集团上海电机厂有限公司 | End cover structure for measuring air gap of single-pivot motor and air gap measuring method of single-pivot motor |
| CN111106729B (en) * | 2020-01-16 | 2021-04-30 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Motor stator and rotor countershaft assembly method |
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|---|---|---|---|---|
| US4055778A (en) * | 1971-08-05 | 1977-10-25 | Robert Bosch G.M.B.H. | Generator housing |
| CN101039054A (en) * | 2007-04-13 | 2007-09-19 | 广州红鹰能源科技有限公司 | Small-sized Wind power generator and its assembly method |
| CN102287332A (en) * | 2011-07-28 | 2011-12-21 | 北京文创优利可新能源科技有限公司 | Unidirectional braking device for wind turbine pitch system |
| CN202111606U (en) * | 2011-06-21 | 2012-01-11 | 上海马拉松·革新电气有限公司 | Three-phase brushless AC generator |
-
2012
- 2012-06-26 CN CN 201210212727 patent/CN102723826B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4055778A (en) * | 1971-08-05 | 1977-10-25 | Robert Bosch G.M.B.H. | Generator housing |
| CN101039054A (en) * | 2007-04-13 | 2007-09-19 | 广州红鹰能源科技有限公司 | Small-sized Wind power generator and its assembly method |
| CN202111606U (en) * | 2011-06-21 | 2012-01-11 | 上海马拉松·革新电气有限公司 | Three-phase brushless AC generator |
| CN102287332A (en) * | 2011-07-28 | 2011-12-21 | 北京文创优利可新能源科技有限公司 | Unidirectional braking device for wind turbine pitch system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4106158A4 (en) * | 2020-02-11 | 2024-02-14 | Hyosung Heavy Industries Corporation | Air gap adjustment apparatus |
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| CN102723826A (en) | 2012-10-10 |
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Granted publication date: 20130925 Termination date: 20190626 |