CN101764485A - medium-sized high-voltage three-phase asynchronous motor - Google Patents
medium-sized high-voltage three-phase asynchronous motor Download PDFInfo
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- CN101764485A CN101764485A CN200910232976A CN200910232976A CN101764485A CN 101764485 A CN101764485 A CN 101764485A CN 200910232976 A CN200910232976 A CN 200910232976A CN 200910232976 A CN200910232976 A CN 200910232976A CN 101764485 A CN101764485 A CN 101764485A
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Abstract
The invention relates to a medium-sized high-voltage three-phase asynchronous motor. A front end cover and a rear end cover are installed at both ends of a casing; a stator is installed in the casing, fixed on the front end cover and the rear end cover, and connected with a junction box; a rotor is located in the casing, the front end and the rear end of the rotor are respectively installed on the front end cover and the rear end cover through a front bearing assembly and a rear bearing assembly, and the front bearing assembly and the rear bearing assembly are respectively fixed by an external bearing cover, an internal bearing cover, a bearing retaining ring and a V-shaped ring; an external fan is installed at the rear tail end of the rotor and is fixed by the bearing retaining ring; a fan housing is fixed on the rear end cover and covers the external fan; and a key is installed in a key slot at the front end of the rotor. The medium-sized high-voltage three-phase asynchronous motor is characterized in that the rotor is also provided with an internal fan, the internal fan is located inside the casing and fixed by the bearing retaining ring, and the internal fan, a rotor ventilating slot and a ventilation passage on the casing form an internal circulating cooling wind path. The invention has compact and reasonable structure, good heat dispersion, low operation noise, high strength, and safe and reliable operation.
Description
Technical field
The invention belongs to technical field of motors, specifically relate to a kind of medium-sized high pressure threephase asynchronous.
Background technology
Y2 series medium-sized high pressure threephase asynchronous is a kind of medium-sized high pressure motor of full heat radiating fin structure, the motor of the type is since 20th century, the mid-80 came out, just with compact conformation, volume is little, operating index is high, noise is low, vibration is little, user's favor has been won in low cost of manufacture and maintenance easily, become the main product of medium-sized high pressure motor in the world, in numerous industrial circles such as papermaking, electric power, water treatment, petrochemical industry, iron and steel, mining, played an important role.But also there is following defective in such motor: the motor internal temperature distributing disproportionation is even during (1) axial ventilation; The noise ratio of motor oscillating and generation is bigger when (2) turning round; (3) the casing overall structure is single, and intensity and heat-sinking capability are not ideal; (4) bearing capacity of traditional bearing structure is not good, and the motor reliability of operation is not strong.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of compact conformation reasonable, perfect heat-dissipating, running noises is low, intensity height, medium-sized high pressure threephase asynchronous safe and reliable to operation.
According to technical scheme provided by the invention, at the two ends of casing front end housing and rear end cap are installed, stator is installed in the casing, is fixed on front end housing, the rear end cap; Be connected with terminal box above the stator; Rotor is positioned at casing, and its rear and front end is installed on front end housing, the rear end cap by fore bearing assembly, rear bearing assembly respectively, and fore bearing assembly and rear bearing assembly are fixed by bearing end cover, internal bearing cover, shaft block ring and V-type circle respectively; External fan is contained in the rotor rearward end, fixes by shaft block ring; Fan housing is fixed on the rear end cap, and external fan is covered; Key is contained in the keyway of rotor front end, is used for outputting power; It is characterized in that: internal fan also is housed on the described rotor, and internal fan is positioned at casing inside, fixes by shaft block ring, circulation cooling air duct in the air duct on internal fan and rotor ventilation groove and the casing constitutes.
As a further improvement on the present invention, described front end housing is provided with radiating ribs.
As a further improvement on the present invention, described fore bearing assembly comprises outer bearing and inner bearing, and outer bearing adopts cylinder roller bearing, and inner bearing adopts ball bearing; Described rear bearing assembly adopts single cylinder roller bearing.
As a further improvement on the present invention, described casing is provided with fin, and fin adopts vertical, parallel arrangement mode setting, is not equally spaced between the fin, is provided with according to non-concentric circles compound mode.
As a further improvement on the present invention, described rear end cap is provided with oil fuel tube, is used to the lubricating oil of annotating; Also offer the oil storage passage that is connected with oil fuel tube the inner on the rear end cap, after lubricating oil adds via oil fuel tube, enter in the cavity between bearing and the internal bearing cover and store along the oil storage passage.
As a further improvement on the present invention, between described shaft block ring and the bearing disc is housed.
As a further improvement on the present invention, described casing, front end housing, rear end cap, bearing end cover, internal bearing cover and terminal box adopt the cast iron manufacturing.
The present invention compared with prior art, advantage is:
(1) circulation cooling air duct in the air duct on the internal fan of setting up and rotor ventilation groove and the casing constitutes is cooled off the heat transferred of rotor and bearing generation to casing, the even problem of motor internal temperature distributing disproportionation when having solved axial ventilation better;
(2) end cap is provided with radiating ribs, has not only strengthened the heat-sinking capability of bearing, has also strengthened the rigidity of equipment greatly, has improved motor oscillating and noise objective;
(3) bearing assembly is rational in infrastructure, has both strengthened the radially bearing capacity of bearing, preferably resolves the problem that motor bears axial force again, has improved the motor reliability of operation greatly;
(4) fin on the casing adopted vertically, parallel arrangement mode, adopted between the fin not to be equally spaced and non-concentric circles compound mode, make casing that good intensity and heat-sinking capability not only be arranged, also have graceful outward appearance;
(5) casing, front end housing, rear end cap, bearing end cover, internal bearing cover and terminal box adopt the cast iron manufacturing, and intensity is higher.
Description of drawings
Fig. 1 is a structure of the present invention office cutaway view.
Fig. 2 is the enlarged diagram of A portion among Fig. 1.
Fig. 3 is the enlarged diagram of B portion among Fig. 1.
Fig. 4 is the left view of Fig. 1.
Description of reference numerals: 1-casing, 2-V type circle, 3-bearing end cover, 4-disc, 5-outer bearing, 6-inner bearing, 7-internal bearing cover, 8-front end housing, 9-terminal box, 10-stator, 11-rotor, 12-internal fan, 13-rear end cap, 14-oil fuel tube, 15-shaft block ring, 16-external fan, 17-fan housing, 18-fin, 19-key, 20-radiating ribs, 21-oil storage passage.
Embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.Motor model among the embodiment is Y2-400-2P.
Shown in Fig. 1～3, by bolt part front end housing 8 and rear end cap 13 are installed at the two ends of casing 1, stator 10, rotor 11 are installed in the casing 1, and stator 10 is fixed on front end housing 8, the rear end cap 13 by bolt part; Be connected with terminal box 9 by bolt above the stator 10; Rotor 11 is installed in the casing 1, its rear and front end is installed on front end housing 8, the rear end cap 13 by fore bearing assembly, rear bearing assembly respectively, and fore bearing assembly and rear bearing assembly are fixing by bearing end cover 3, internal bearing cover 7, shaft block ring 15 and V-type circle 2 respectively; Internal fan 12 and external fan 16 are housed on the rotor 11, and internal fan 12 is positioned at casing 1 inside, and fixing by shaft block ring 15, external fan 16 is installed in the rearward end of rotor 11, and is fixing by shaft block ring 15; Fan housing 17 covers external fan 16 by being bolted on the rear end cap 13; Key 19 is contained in the keyway of rotor 11 fronts, is used for outputting power.
As shown in Figure 4, described front end housing 8 is provided with radiating ribs 20, can strengthen the heat-sinking capability of fore bearing assembly, has strengthened the rigidity of equipment, has improved motor oscillating and noise objective.
Shown in Fig. 1～3, described fore bearing assembly comprises outer bearing 5 and inner bearing 6, and outer bearing 5 adopts cylinder roller bearing, and inner bearing 6 adopts ball bearing; Described rear bearing assembly adopts single cylinder roller bearing.Such bearing arrangement had both been strengthened the radially bearing capacity of bearing, preferably resolved the problem that motor bears axial force again, had improved the motor reliability of operation greatly.
As shown in Figure 1, described casing 1 is provided with fin 18, and fin 18 adopts vertical, parallel arrangement mode setting, is not equally spaced between the fin 18, is provided with according to non-concentric circles compound mode.
Shown in Fig. 1,3, described rear end cap 13 is provided with oil fuel tube 14, is used to the lubricating oil of annotating; Also offer the oil storage passage 21 that is connected with oil fuel tube 14 the inners on the rear end cap 13, after lubricating oil adds via oil fuel tube 14, enter in the cavity between bearing and the internal bearing cover 7 and store along oil storage passage 21, it is lubricated for a long time to give bearing, need not often to add lubricating oil.Between described shaft block ring 15 and the bearing disc 4 is housed, the lubricating oil that is used for injecting is uniformly dispersed, and further improves lubricant effect, makes the entire equipment running smooth and easy.
For improving the intensity of entire equipment, described casing 1, front end housing 8, rear end cap 13, bearing end cover 3, internal bearing cover 7 and terminal box 9 adopt the cast iron manufacturing.
During work, stator 10 energising back produces magnetic field, makes rotor 11 rotations, and output shaft power under the constant situation of output shaft power, changes material, length and the internal electromagnetic data of stator 10, rotor 11, satisfies the maximum power requirement.By changing the size of internal fan 13, external fan 16, can reduce noise effectively simultaneously, reduce the fan loss.
Claims (7)
1. the medium-sized high pressure threephase asynchronous is installed front end housing (8) and rear end cap (13) at the two ends of casing (1), and stator (10) is installed in the casing (1), is fixed on front end housing (8), the rear end cap (13); Be connected with terminal box (9) above the stator (10); Rotor (11) is positioned at casing (1), its rear and front end is installed on front end housing (8), the rear end cap (13) by fore bearing assembly, rear bearing assembly respectively, and fore bearing assembly and rear bearing assembly are fixing by bearing end cover (3), internal bearing cover (7), shaft block ring (15) and V-type circle (2) respectively; External fan (16) is contained in rotor (11) rearward end, and is fixing by shaft block ring (15); Fan housing (17) is fixed on the rear end cap (13), and external fan (16) is covered; Key (19) is contained in the keyway of rotor (11) front end, is used for outputting power; It is characterized in that, internal fan (12) also is housed on the described rotor (11), internal fan (12) is positioned at casing (1) inside, and is fixing by shaft block ring (15), circulation cooling air duct in the air duct on internal fan (12) and rotor (11) ventilation slot and the casing (1) constitutes.
2. medium-sized high pressure threephase asynchronous according to claim 1, its feature are that also described front end housing (8) is provided with radiating ribs (20).
3. medium-sized high pressure threephase asynchronous according to claim 1, its feature are that also described fore bearing assembly comprises outer bearing (5) and inner bearing (6), and outer bearing (5) adopts cylinder roller bearing, and inner bearing (6) adopts ball bearing; Described rear bearing assembly adopts single cylinder roller bearing.
4. medium-sized high pressure threephase asynchronous according to claim 1, its feature also is: described casing (1) is provided with fin (18), fin (18) adopts vertical, parallel arrangement mode setting, and fin is not equally spaced between (18), is provided with according to non-concentric circles compound mode.
5. medium-sized high pressure threephase asynchronous according to claim 1, its feature are that also described rear end cap (13) is provided with oil fuel tube (14), is used to the lubricating oil of annotating; Also offer the oil storage passage (21) that is connected with the inner of oil fuel tube (14) on the rear end cap (13), after lubricating oil adds via oil fuel tube (14), enter in the cavity between bearing and the internal bearing cover (7) and storage along oil storage passage (21).
6. medium-sized high pressure threephase asynchronous according to claim 1, its feature also are, disc (4) is housed between described shaft block ring (15) and the bearing.
7. according to each described medium-sized high pressure threephase asynchronous of claim 1～5, its feature is that also described casing (1), front end housing (8), rear end cap (13), bearing end cover (3), internal bearing cover (7) and terminal box (9) adopt the cast iron manufacturing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910232976A CN101764485A (en) | 2009-09-24 | 2009-09-24 | medium-sized high-voltage three-phase asynchronous motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910232976A CN101764485A (en) | 2009-09-24 | 2009-09-24 | medium-sized high-voltage three-phase asynchronous motor |
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| CN101764485A true CN101764485A (en) | 2010-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910232976A Pending CN101764485A (en) | 2009-09-24 | 2009-09-24 | medium-sized high-voltage three-phase asynchronous motor |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102158028A (en) * | 2011-03-31 | 2011-08-17 | 大连洪成电机有限公司 | Three-phase asynchronous motor used for vertical pipeline circulating pump |
| CN102280966A (en) * | 2011-08-03 | 2011-12-14 | 江苏微特利电机制造有限公司 | Output shaft end radial water-throwing shaft sealing structure of motor |
| CN103516137A (en) * | 2013-10-09 | 2014-01-15 | 中达电机股份有限公司 | Inner fan structure three-phase asynchronous motor |
| CN103591153A (en) * | 2013-11-19 | 2014-02-19 | 江苏航天动力机电有限公司 | Bearing bush lubrication and cooling system of adjustable-speed permanent magnet synchronous motor |
| CN105186763A (en) * | 2015-10-15 | 2015-12-23 | 苏州萨伯工业设计有限公司 | Motor bearing structure |
| CN105490458A (en) * | 2016-01-26 | 2016-04-13 | 浙江科宁电机有限公司 | Motor heat dissipation structure |
| CN106300776A (en) * | 2016-10-08 | 2017-01-04 | 江苏美邦电机科技有限公司 | high efficiency motor |
| CN107040108A (en) * | 2017-06-26 | 2017-08-11 | 中煤科工集团重庆研究院有限公司 | Coal mine belt conveyor high-pressure explosion-proof type three-phase asynchronous |
| CN107196441A (en) * | 2017-07-25 | 2017-09-22 | 江苏中色锐毕利实业有限公司 | A kind of electric automobile motor aluminum alloy casing casting |
| CN107276313A (en) * | 2017-06-26 | 2017-10-20 | 中煤科工集团重庆研究院有限公司 | High power density compact mine ventilator motor |
| CN107317420A (en) * | 2016-04-27 | 2017-11-03 | Abb技术有限公司 | Electric machine stand and motor |
| CN109787394A (en) * | 2017-11-15 | 2019-05-21 | 天津职业技术师范大学 | A kind of driving motor for electric automobile |
| CN114123642A (en) * | 2021-11-08 | 2022-03-01 | 嘉兴学院 | Servo motor with speed reduction adjusting device |
| WO2022109787A1 (en) * | 2020-11-24 | 2022-06-02 | 江苏金彭集团有限公司 | Closed waterproof direct current motor for use in electric vehicle |
-
2009
- 2009-09-24 CN CN200910232976A patent/CN101764485A/en active Pending
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102158028A (en) * | 2011-03-31 | 2011-08-17 | 大连洪成电机有限公司 | Three-phase asynchronous motor used for vertical pipeline circulating pump |
| CN102280966A (en) * | 2011-08-03 | 2011-12-14 | 江苏微特利电机制造有限公司 | Output shaft end radial water-throwing shaft sealing structure of motor |
| CN103516137A (en) * | 2013-10-09 | 2014-01-15 | 中达电机股份有限公司 | Inner fan structure three-phase asynchronous motor |
| CN103591153B (en) * | 2013-11-19 | 2016-01-06 | 江苏航天动力机电有限公司 | Speed governing permagnetic synchronous motor bearing shell lubricating and cooling system |
| CN103591153A (en) * | 2013-11-19 | 2014-02-19 | 江苏航天动力机电有限公司 | Bearing bush lubrication and cooling system of adjustable-speed permanent magnet synchronous motor |
| CN105186763B (en) * | 2015-10-15 | 2018-11-27 | 苏州萨伯工业设计有限公司 | A kind of motor bearing structure |
| CN105186763A (en) * | 2015-10-15 | 2015-12-23 | 苏州萨伯工业设计有限公司 | Motor bearing structure |
| CN105490458A (en) * | 2016-01-26 | 2016-04-13 | 浙江科宁电机有限公司 | Motor heat dissipation structure |
| CN105490458B (en) * | 2016-01-26 | 2018-06-05 | 浙江科宁电机有限公司 | A kind of motor radiating structure |
| CN107317420B (en) * | 2016-04-27 | 2019-09-20 | Abb瑞士股份有限公司 | Electric machine stand and motor |
| CN107317420A (en) * | 2016-04-27 | 2017-11-03 | Abb技术有限公司 | Electric machine stand and motor |
| CN106300776A (en) * | 2016-10-08 | 2017-01-04 | 江苏美邦电机科技有限公司 | high efficiency motor |
| CN106300776B (en) * | 2016-10-08 | 2018-08-07 | 江苏美邦电机科技有限公司 | Motor |
| CN107276313A (en) * | 2017-06-26 | 2017-10-20 | 中煤科工集团重庆研究院有限公司 | High power density compact mine ventilator motor |
| CN107040108A (en) * | 2017-06-26 | 2017-08-11 | 中煤科工集团重庆研究院有限公司 | Coal mine belt conveyor high-pressure explosion-proof type three-phase asynchronous |
| CN107196441A (en) * | 2017-07-25 | 2017-09-22 | 江苏中色锐毕利实业有限公司 | A kind of electric automobile motor aluminum alloy casing casting |
| CN109787394A (en) * | 2017-11-15 | 2019-05-21 | 天津职业技术师范大学 | A kind of driving motor for electric automobile |
| WO2022109787A1 (en) * | 2020-11-24 | 2022-06-02 | 江苏金彭集团有限公司 | Closed waterproof direct current motor for use in electric vehicle |
| CN114123642A (en) * | 2021-11-08 | 2022-03-01 | 嘉兴学院 | Servo motor with speed reduction adjusting device |
| CN114123642B (en) * | 2021-11-08 | 2022-09-23 | 嘉兴学院 | Servo motor with speed reduction adjusting device |
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| C06 | Publication | ||
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| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 214131, No. 777 Gao Lang Dong Road, Binhu District, Jiangsu, Wuxi Applicant after: Sec Electric Machinery Co.,Ltd. Address before: 214131, No. 2, Da Tong Road, Hua Zhen Town, Binhu District, Jiangsu, Wuxi Applicant before: Wuxi Zhong Dian Motor Co.,Ltd. Address after: 214131, No. 2, Da Tong Road, Hua Zhen Town, Binhu District, Jiangsu, Wuxi Applicant after: Wuxi Zhong Dian Motor Co.,Ltd. Address before: 214131, No. 2, Da Tong Road, Hua Zhen Town, Binhu District, Jiangsu, Wuxi Applicant before: SEC Electric Machinery Co.,Ltd. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: WUXI HEC ELECTRIC MACHINERY CO., LTD. TO: WUXI SEC ELECTRIC MACHINERY CO., LTD. |
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20100630 |