CN103840629A - Three-phase asynchronous motor - Google Patents
Three-phase asynchronous motor Download PDFInfo
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- CN103840629A CN103840629A CN201210478975.6A CN201210478975A CN103840629A CN 103840629 A CN103840629 A CN 103840629A CN 201210478975 A CN201210478975 A CN 201210478975A CN 103840629 A CN103840629 A CN 103840629A
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Abstract
The invention brings forward a three-phase asynchronous motor. The three-phase asynchronous motor comprises a housing, a rotor, a first deep groove ball bearing, a winding stator core, a wind wheel, a fan housing and a second deep groove ball bearing. The housing comprises a front end cover, a support and a rear end cover; the two ends of the support are respectively fixedly connected with the front end cover and the rear end cover; the other end of the rear end cover is fixedly connected with the fan housing; the winding stator core is arranged in the housing; the first deep groove ball bearing and the second deep groove ball bearing are respectively arranged at the two shaft shoulders of the two ends of the rotor; the rotor, the first deep groove ball bearing and the second deep groove are arranged in the housing in a mutual cooperation mode; and the wind wheel is arranged at the tail end of the rotor and is disposed in the space of the fan housing. The advantages are as follows: the structure is simple, it can be ensured that the motor is not easily damaged during a frequent starting process, the service life of the motor is prolonged, and the service life can be more than one year.
Description
Technical field
The present invention relates to electric motors, refer to especially a kind of threephase asynchronous.
Background technology
Threephase asynchronous is a kind of new energy-conserving product, and this motor has significant energy-saving effect for continuous operation, occasion that load factor is higher.Abroad develop one after another and produced this motor from middle nineteen seventies Ge great manufactory, China, under the support of Bureau of Energy of national Economic and Trade Commission and Machinery Ministry science and technology department, electrician office, is organized Beijing, Dalian, Shanghai, Boshan Deng Shiyujia electrical machinery plant and Huazhong Institute of Technology design in 2006 and has been trial-produceed successfully YX3(IP55 by Machinery Ministry Shanghai Electric Appliances Science Inst) series of high efficiency rate threephase asynchronous.
Threephase asynchronous runnability is good, and can save various materials.Press the difference of rotor structure, threephase asynchronous can be divided into two kinds of cage and Wound-rotor types.The Induction Motor Structure of cage rotor is simple, reliable, lightweight, low price, is widely used, and its major defect is speed governing difficulty.The rotor of wound three-phase asynchronous motor is the same with stator to be also provided with three phase windings and to be connected with outside rheostat by slip ring, brush.Standardsizing rheostat resistance can improve the starting performance of motor and regulate the rotating speed of motor.
Motor operation principle is: when the threephase stator winding of motor, pass into after three-phase symmetrical alternating current, to produce a rotating magnetic field, this rotating magnetic field cutting rotor winding, thereby in rotor winding, produce induced current, the rotor conductor of current-carrying will produce electromagnetic force under the effect of stator rotating magnetic field, thereby on machine shaft, form electromagnetic torque, drive motor rotation, and motor direction of rotation is identical with rotating magnetic field direction.
At present, existing threephase asynchronous complex structure, the problem such as production cost is higher, and efficiency is low, time-consuming, when Fraquent start instrument lathe, is used and has just burnt out in week less than 1-2.
Summary of the invention
The deficiency existing for prior art, the object of the present invention is to provide a kind of threephase asynchronous.
Technical scheme of the present invention is achieved in that a kind of threephase asynchronous, comprising: housing, rotor, the first deep groove ball bearing, have winding stator core, fan blade, fan housing, the second deep groove ball bearing; Described housing comprises front end housing, support, rear end cap; Described support two ends are fixedly connected with rear end cap with described front end housing respectively; The described rear end cap other end is fixedly connected with described fan housing; Described have winding stator core to be arranged in described housing; Described the first deep groove ball bearing and the second deep groove ball bearing are separately positioned on the shaft shoulder of described two ends of rotor; Described rotor, the first deep groove ball bearing, the second deep groove ball bearing three cooperatively interact and are arranged in described housing; Described fan blade is arranged on the end of described rotor, and drops in the space of described fan housing.
Further, described the first deep groove ball bearing and wave washer are equipped with at the left side of the described rotor shaft shoulder, and described the second deep groove ball bearing and wave washer are equipped with at the right side of the described rotor shaft shoulder.
Further, described support one side is also provided with terminal box.
Further, described support two ends are fixedly connected with rear end cover bolt with described front end housing respectively.
Further, centre position, described support upper end is provided with suspension ring.
Further, described rear end cap lower end is also provided with support.
Further, described fan blade and circlip are equipped with the end at described rotor.
A kind of threephase asynchronous of the present invention is simple in structure, ensures that motor, in frequent starting process, is not easy to burn out, and reaches the effect of the prolongation in useful life of motor, and useful life can be more than 1 year.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the half sectional view of a kind of threephase asynchronous of the present invention;
Fig. 2 is the right view of a kind of threephase asynchronous of the present invention.
In figure, 1 is rotor, and 2 is front end housing, 3 is the first deep groove ball bearing, and 4 is support, and 5 for there being winding stator core, 6 is rear end cap, and 7 is fan blade, and 8 is fan housing, 9 is the second deep groove ball bearing, and 10 is space, and 11 is terminal box, 12 is support, and 13 is suspension ring, and 14 is circlip, 15 is wave washer, and 16 is screw.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
As illustrated in fig. 1 and 2, a kind of threephase asynchronous, comprising: housing, rotor 1, the first deep groove ball bearing 3, have winding stator core 5, fan blade 7, fan housing 8, the second deep groove ball bearing 9;
Above-mentioned housing comprises front end housing 2, support 4, rear end cap 6; Above-mentioned support 4 two ends are fixedly connected with rear end cap 6 use bolts with above-mentioned front end housing 2 respectively; Above-mentioned rear end cap 6 other ends are fixedly connected with above-mentioned fan housing 8 use screws 16, and above-mentioned screw 16 is for fixing above-mentioned fan housing 8; Above-mentioned have winding stator core 5 to be arranged in above-mentioned housing;
Above-mentioned the first deep groove ball bearing 3 and the second deep groove ball bearing 9 are separately positioned on the shaft shoulder at above-mentioned rotor 1 two ends; Above-mentioned rotor 1, the first deep groove ball bearing 3, the second deep groove ball bearing 9 cooperatively interact and are arranged in above-mentioned housing; Above-mentioned fan blade 7 is equipped with the end at above-mentioned rotor 1 with circlip 14, and drops in the space 10 of above-mentioned fan housing 8.
Above-mentioned the first deep groove ball bearing 3 is equipped with at the left side of above-mentioned rotor 1 shaft shoulder with wave washer 15, and above-mentioned the second deep groove ball bearing 9 is equipped with at the right side of above-mentioned rotor 1 shaft shoulder with rear end cap 6.Wave washer 15 can be installed conventionally in less space, such as applying prestressing force to bearing, reduces the noise of bearing operation, improves running accuracy and the stationarity of bearing.
Above-mentioned support 4 one sides are also provided with terminal box 11, for connecing power line.Above-mentioned support 4 centre positions, upper end are provided with suspension ring 13, and suspension ring 13 are for convenient lifting motor.Above-mentioned rear end cap 6 lower ends also arrange the present embodiment, and to select the model of the first deep groove ball bearing 3 and the second deep groove ball bearing 9 be deep groove ball bearing.
The spindle motor of the surface grinding machine of NG series stator, power is 5.5-11KW, the rotating speed of motor is 1450rpm ± 30, the use voltage of motor is 380V ± 5%, frequency is 50Hz, rated current be YAB132S-4 5.5KW time/electric current 11.7A, 11.6A when YUL160-4 5.5KW, 13.7A when NG6.5-46.5KW of design; 17.8A when Y160M-4 9KW, 23.3A when YUL160M-4 11KW, the external diameter of stator punching is Φ 260, the seamless steel pipe (after car endoporus) that adds 272*8 is welded on stator, and external diameter is Φ 270, and the internal diameter of stator is Φ 170.2, specifically see 5NG.-50A09 drawing, when YAB132S-4, stator outer diameter is 218., and endoporus is 136.
A kind of threephase asynchronous of the present invention is simple in structure, ensures that motor, in frequent starting process, is not easy to burn out, and reaches the effect of the prolongation in useful life of motor, and useful life can be more than 1 year.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (7)
1. a threephase asynchronous, is characterized in that, comprising: housing, rotor (1), the first deep groove ball bearing (3), have winding stator core (5), fan blade (7), fan housing (8), the second deep groove ball bearing (9);
Described housing comprises front end housing (2), support (4), rear end cap (6); Described support (4) two ends are fixedly connected with rear end cap (6) with described front end housing (2) respectively; Described rear end cap (6) other end is fixedly connected with described fan housing (8); Described have winding stator core (5) to be arranged in described housing;
Described the first deep groove ball bearing (3) and the second deep groove ball bearing (9) are separately positioned on the shaft shoulder at described rotor (1) two ends; Described rotor (1), the first deep groove ball bearing (3), the second deep groove ball bearing (9) three cooperatively interact and are arranged in described housing; Described fan blade (7) is arranged on the end of described rotor (1), and drops on described fan housing (8)) space (10) in.
2. threephase asynchronous as claimed in claim 1, it is characterized in that: described the first deep groove ball bearing (3) is equipped with the left side shaft shoulder at described rotor (1) with wave washer (15), described the second deep groove ball bearing (9) is equipped with the right side shaft shoulder at described rotor (1) with rear end cap (6).
3. threephase asynchronous as claimed in claim 1, is characterized in that: described support (4) one sides are also provided with terminal box (11).
4. threephase asynchronous as claimed in claim 1, is characterized in that: described support (4) two ends are fixedly connected with bolt with rear end cap (6) with described front end housing (2) respectively.
5. the threephase asynchronous as described in claim 1 to 4 any one, is characterized in that: described support (4) centre position, upper end is provided with suspension ring (13).
6. threephase asynchronous as claimed in claim 5, is characterized in that: described rear end cap (6) lower end is also provided with support (12).
7. threephase asynchronous as claimed in claim 6, is characterized in that: described fan blade (7) is equipped with the end in described rotor (1) with circlip (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210478975.6A CN103840629A (en) | 2012-11-21 | 2012-11-21 | Three-phase asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210478975.6A CN103840629A (en) | 2012-11-21 | 2012-11-21 | Three-phase asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103840629A true CN103840629A (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210478975.6A Pending CN103840629A (en) | 2012-11-21 | 2012-11-21 | Three-phase asynchronous motor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109921540A (en) * | 2019-04-24 | 2019-06-21 | 安徽皖南新维电机有限公司 | A kind of noise-proofing ac motor and its manufacturing method |
| CN110365142A (en) * | 2019-06-20 | 2019-10-22 | 徐州亚泰电机有限公司 | A kind of wound rotor asynchronous motor and manufacturing method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2287889C1 (en) * | 2005-06-03 | 2006-11-20 | Самуил Элевич Марчак | Motor-brake |
| CN101867269A (en) * | 2009-04-20 | 2010-10-20 | 无锡市中达电机有限公司 | Three-phase asynchronous motor special for injection molding machine |
| CN102780354A (en) * | 2012-07-23 | 2012-11-14 | 苏州德能电机有限公司 | High-efficiency three-phase asynchronous motor |
-
2012
- 2012-11-21 CN CN201210478975.6A patent/CN103840629A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2287889C1 (en) * | 2005-06-03 | 2006-11-20 | Самуил Элевич Марчак | Motor-brake |
| CN101867269A (en) * | 2009-04-20 | 2010-10-20 | 无锡市中达电机有限公司 | Three-phase asynchronous motor special for injection molding machine |
| CN102780354A (en) * | 2012-07-23 | 2012-11-14 | 苏州德能电机有限公司 | High-efficiency three-phase asynchronous motor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109921540A (en) * | 2019-04-24 | 2019-06-21 | 安徽皖南新维电机有限公司 | A kind of noise-proofing ac motor and its manufacturing method |
| CN109921540B (en) * | 2019-04-24 | 2024-05-03 | 安徽皖南新维电机有限公司 | Noise-proof AC motor and its manufacturing method |
| CN110365142A (en) * | 2019-06-20 | 2019-10-22 | 徐州亚泰电机有限公司 | A kind of wound rotor asynchronous motor and manufacturing method |
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Application publication date: 20140604 |
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