CN102158004A - Integrated high-speed motor self-lubricating device and assembly method thereof - Google Patents
Integrated high-speed motor self-lubricating device and assembly method thereof Download PDFInfo
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- CN102158004A CN102158004A CN 201110096780 CN201110096780A CN102158004A CN 102158004 A CN102158004 A CN 102158004A CN 201110096780 CN201110096780 CN 201110096780 CN 201110096780 A CN201110096780 A CN 201110096780A CN 102158004 A CN102158004 A CN 102158004A
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- 238000000034 method Methods 0.000 title claims abstract description 7
- 239000003921 oil Substances 0.000 claims abstract description 49
- 239000010687 lubricating oil Substances 0.000 claims abstract description 16
- 238000005461 lubrication Methods 0.000 claims description 55
- 230000003137 locomotive effect Effects 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 16
- 238000004804 winding Methods 0.000 claims description 16
- 239000000945 filler Substances 0.000 claims description 11
- 239000000446 fuel Substances 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 7
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000001050 lubricating effect Effects 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 5
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract 1
- 239000004519 grease Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 3
- 239000002828 fuel tank Substances 0.000 description 3
- 230000037452 priming Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention relates to an integrated high-speed motor self-lubricating device and an assembly method thereof. The device is designed into a rational structure consisting of a rotor, a stand and end covers, wherein the rotor of a motor adopts a self-suction structure; the stand of the motor is sealed with a rear end cover to form an oil bunker; lubricating oil in the oil bunker is sucked, atomized and delivered to a front bearing and a rear bearing by a natural pump effect achieved by the high-speed rotation of a radial lubricating hole and an axial lubricating hole in a rotor shaft of the motor to cyclically lubricate and cool the bearings of the high-speed variable frequency motor. The oil delivered to the bearings is naturally recycled into the oil bunker for recycling by oil return holes formed in the periphery of a bearing housing of the stand. The whole device has small volume and light weight, reduces an area covered by production, environmental pollutions, equipment failure rate and running cost, improves the continuous safe running performance of the motor and saves energy sources.
Description
Technical field
Patent of the present invention relates to machine field, is specifically related to a kind of high-speed electric expreess locomotive self-lubricating integrated apparatus and assembly method thereof.
Background technology
Existing high-speed electric expreess locomotive generally all is to adopt oil lubrication or grease lubrication.Oil lubrication is to utilize a cover oil lubrication device that oil is sprayed onto on the bearing, makes oil form one deck tempered oil film at the bearing sphere, to reach the purpose of lubricating bearings.The oil lubrication device mainly is made up of more than 50 kind of parts of motor oil storage system, oil supply system or the like as shown in Figure 1.Needing during installation that respectively each of oil supply system formed parts such as oil line pipe, joint, Pressure gauge, oil strainer, oil cooler, lubricating gear pump or the like installs and is connected on the fuel tank assigned position of oil storage system, drive motors is installed on the fuel tank assigned position, and is with bolt that drive motors footing and fuel tank is fastening; Open the power supply of lubricating gear pump earlier, open motor power about 10 minutes again, motor can move.
The grease lubrication of high-speed electric expreess locomotive is that lubricating grease directly is filled in the bearing, makes fat form one deck tempered oil film at the bearing sphere, to reach the purpose of lubricating bearings.Lubricator mainly is made up of more than ten kind of parts of lubricating cup, oil fuel tube or the like and oil lubrication system as shown in Figure 2.During the lubricator assembling, two priming cups or tubing interface are installed in respectively on two oil fuel tubes, then two oil fuel tubes that priming cup is installed are installed in outer oil cap (or end cap) oil filler point place, motor front and back respectively, in the motor operation course, the grease if grease lubrication need be annotated, use grease gun, aim at priming cup and get final product oiling; Oil lubrication need connect the oil lubrication system pipeline.Two kinds of lubricating systems must constantly replenish new lubricating oil or lubricating grease at the appointed time, replace old lubricating oil or lubricating grease gradually, and, after handling, the waste and old lubricating grease drainage that also needs to wear out can continue operation to motor or with outmoded lubrication oil filtration.The grease lubrication motor was running up 3000-5000 hour, just should safeguard more renew oil fat, and the oil lubrication motor is many because of parts such as electrical equipment in the lubricating system, and run time fault is frequent, and equipment operation cost and efficient are low.Can't satisfy the needs of equipment continuous operation.
Summary of the invention
The object of the present invention is to provide a kind of high-speed electric expreess locomotive self-lubricating integrated apparatus that can make lubrication oil circulation use, improve motor continuous high speed safe operation ability.
The present invention adopts such technical scheme to realize, high-speed electric expreess locomotive self-lubricating integrated apparatus, comprise forward and backward end cap, support, the winding stator core arranged, rotor, forward and backward bearing, bearing end cover and bolt etc., it is characterized in that: carrying bearing chamber in the support cooperates with rear bearing; Rotor is provided with axial lubrication hole and two radial lubrication holes; The support two ends are sealed and matched with the O RunddichtringO with forward and backward end cap respectively; Support and rear end cap sealing form bunker, and fuel level sensor is set in the bunker.
In order to make whole apparatus structure compactness, the outer circumference surface of above-mentioned support is a fin; The support both ends of the surface are provided with wire hole; Base inner carries bearing chamber and cooperates with rear bearing, is step through-hole in the middle of the bearing chamber, big bore dia, the degree of depth and rear bearing external diameter, bearing width coupling; Bearing chamber is divided into iron core gear and bunker two parts with the support inner chamber; Wherein the iron core gear is used to be equipped with the winding stator core; After support and rear end cap sealing, bearing chamber and rear end cap form bunker and are used to store lubricating oil.
In order to realize the self-lubricating of motor, above-mentioned rotor is self-priming structure, has axial lubrication hole vertically at internal rotor, and an end of this axial lubrication hole is positioned at the rotor lower surface, and the other end is positioned near the fore bearing installation site; Also radially be provided with radial lubrication holes respectively communicates with axial lubrication hole at the close forward and backward Bearing Installation of rotor place, the radial lubrication holes that wherein is positioned at the fore bearing annex is seen from cross section and is the cross setting, the position of this radial lubrication holes is provided with near the fore bearing installed position in the fore bearing outside, can also be provided with at the inboard close fore bearing installed position of fore bearing; The radial lubrication holes that is positioned at the rear bearing annex is arranged on the inboard close rear bearing installed position of rear bearing, goes into axial lubrication hole to communicate from a sidetracking of rotor in this hole.When the rotor high speed rotating, radial lubrication holes can form the natural pump effect, with being fed to front and back bearings respectively after the lubricating oil suction atomizing in the bunker, bearing is carried out circulating lubricating.
For energy savings, make things convenient for the oil of lubricating bearings can flow back in the bunker, recycle repeatedly, at least 4 spill ports evenly are set around the above-mentioned support bearing chamber.
Described forward and backward end cap is with the seam location and installation and be fixed by bolts on the support;
Front and back bearings is assemblied in respectively on the front and back bearings position of rotor, and wherein the rear bearing cylindrical is with the location of the step in the support bearing chamber, and the fore bearing cylindrical is to locate with the close-fitting end ring of rotor; Be provided with the compression spring between end ring and the bearing end cover and be used to adjust gap between end ring and the fore bearing; Bearing end cover uses bolted on front end housing.
For guaranteeing the sealing effectiveness of whole device, the contact-making surface of described support and forward and backward end cap is provided with sealing gasket and seals, and rotor and bearing end cover cooperation place are provided with sealing ring and seal, and the wire hole on this outer frame also has sealing ring to seal.
The rear end cap inboard is provided with oil filler point, also is provided with porosely to cooperate with binding post.
Require the extreme lower position of lubricating oil in the bunker will soak rotor lower surface 5mm at least in the use, for guaranteeing to satisfy oil mass oil level requirement in the bunker, be provided with fuel level sensor in bunker, this transducer is screwed in the rear end cap inboard.
High-speed electric expreess locomotive self-lubricating integrated apparatus assembly method is: a) stator assembling: will have the winding stator core to be pressed in the support, and the winding lead wire is passed and sealed by support or front end housing wire hole; B) rotor assembling: front and back bearings is assemblied in respectively on the front and back bearings position of rotor; C) rear end cap combine and assemble: 3 binding posts are put the last cover of insulation respectively be installed on the corresponding hole of rear end cap, then fuel level sensor is installed in the rear end cap relevant position with screw, again with motor windings lead wire and binding post firm welding with sealing ring; D) rotor that will carry out bearing assembling is positioned over stator central authorities; Also use bolted in support with seam location and installation front end housing; Put into end ring, compression spring respectively, use bolted on front end housing bearing end cover again; E) rear end cap that will carry out combine and assemble with the seam location and installation in the support rear end, and with bolted in support; F) at last lubricating oil is injected in the bunker from oil filler point, with plug oil filler point is blocked up again.
After installing by above-mentioned steps, the power line of motor is inserted the appropriate frequency converter of debugging, starting the frequency converter motor can move.During work, the natural pump effect that forms during by the radial lubrication holes high speed rotating on the rotor sucks the atomizing back with lubricating oil in the bunker bearing is carried out circulating lubricating.
The present invention is by the rationalization structural design of rotor, support, end cap, adopt the self-priming structure of rotor, utilize the sealing of electric machine stand and rear end cap to form bunker, the natural pump effect that forms during again by the radial lubrication holes high speed rotating on the rotor axis of electric, with being fed to front and back bearings respectively after the lubricating oil suction atomizing in the bunker, bearing is carried out circulating lubricating and cools off high-speed induction motor.Be fed to the oil of bearing, be recycled to naturally in the bunker, recycle repeatedly through support.Whole device volume is little, and is in light weight, reduces production and takes up an area of, alleviated environmental pollution, reduced equipment failure rate and operating cost, improves the continuous safe operation ability of motor, saved the energy.
Description of drawings
The structure and the shape schematic diagram of the existing high-speed electric expreess locomotive oil lubrication device of Fig. 1;
The structure and the shape schematic diagram of the existing high-speed electric expreess locomotive lubricator of Fig. 2;
Fig. 3 structure of the present invention and shape schematic diagram;
Fig. 4 stand structure figure of the present invention;
Fig. 5 rotor structure figure of the present invention;
The A-A profile of Fig. 6 Fig. 5;
The B-B profile of Fig. 7 Fig. 5.
Wherein, the 1-rotor, 2-compresses spring, 3-fore bearing, 4-end ring, the 5-bearing end cover, 6-bolt A, 7-front end housing, 8-have the winding stator core, the 9-support, the 10-bolt B, 11-rear bearing, 12-binding post, cover in the 13-insulation, 14-bolt C, the 15-fuel level sensor, 16-plug, 17-rear end cap, the axial lubrication hole of 1-1-, 1-2-radial lubrication holes a, 1-3 radial lubrication holes b, 9-1-fin, 9-2 bearing chamber, 9-3 iron core gear, 9-4 bunker, 9-5 spill port, I-I-lubricating oil extreme lower position.
High-speed electric expreess locomotive self-lubricating integrated apparatus, comprise front end housing 7, rear end cap 17, support 9, winding stator core 8 arranged, rotor 1, forward and backward bearing 3,11, bearing end cover 5 and bolt 6,10,14 etc., it is characterized in that: the outer circumference surface of support 9 is fin 9-1; Support 9 both ends of the surface are provided with wire hole; Support 9 inside carry bearing chamber 9-2 and cooperate with rear bearing 11; In the middle of the bearing chamber 9-2 is step through-hole, the external diameter of big bore dia, the degree of depth and rear bearing 11, bearing width coupling; Bearing chamber 9-2 is divided into iron core gear 9-3 and bunker 9-4 two parts with support 9 inner chambers; Wherein iron core gear 9-3 is used to be equipped with winding stator core 8; After support 9 and rear end cap 17 sealed, bearing chamber 9-2 and rear end cap 17 formed bunker 9-4 and are used to store lubricating oil.In addition, around the bearing chamber 9-2 6 spill port 9-5 are set evenly, make things convenient for the oil of lubricating bearings can flow back in the bunker 9-4, recycle repeatedly.
Described forward and backward end cap 7,17 also is fixed on the support 9 with bolt B 10, bolt C14 with the seam location and installation; Forward and backward bearing 3,11 is assemblied in respectively on the front and back bearings position of rotor 1, and wherein the cylindrical of rear bearing 11 is with the location of the step in the support 9 bearing chamber 9-2, and the cylindrical of fore bearing 3 is to locate with rotor 1 close-fitting end ring 4; Be provided with compression spring 2 between end ring 4 and the bearing end cover 5; Bearing end cover 5 usefulness bolt A6 are fixed on the front end housing 7.The contact-making surface of support 9 and forward and backward end cap 7,11 is provided with sealing gasket and seals, and rotor 1 is provided with sealing ring with bearing end cover 5 cooperation places and seals.
In the present embodiment, lubricating oil extreme lower position I-I is positioned at soaked rotor lower surface 5mm.
The assembly method of present embodiment is: a) stator assembling: will have winding stator core 8 to be pressed in the support 9, and the winding lead wire is passed and sealed by support 9 or front end housing 7 wire holes; B) rotor 1 assembling: front and back bearings 3,11 is assemblied in respectively on the front and back bearings position of rotor 1; C) rear end cap 17 combine and assemble: 3 binding posts 12 are put the last cover 13 of insulation respectively be installed on the rear end cap 17 corresponding holes with sealing ring, then fuel level sensor 15 usefulness screws are installed in the rear end cap relevant position, again with motor windings lead wire and binding post 12 firm welding; D) rotor 1 that will carry out bearing assembling is positioned over stator central authorities; Also be anchored on support 9 with seam location and installation front end housing 7 with bolt B 10; Put into end ring 4, compression spring 2 respectively, again bearing end cover 5 usefulness bolt A6 are fixed on the front end housing 7; E) rear end cap 17 that will carry out combine and assemble in support 9 rear ends, and is anchored on support 9 with bolt C14 with the seam location and installation; F) at last lubricating oil is injected in the bunker 9-4 from oil filler point, with plug 16 oil filler point is blocked up again.
During work, the natural pump effect that forms when utilizing radial lubrication holes 1-2 on the rotor 1,1-3 high speed rotating, will be in the bunker 9-4 lubricating oil suck the atomizing back and carry out circulating lubricating bearing.The spill port 9-5 of oil on support 9 bearing chamber 9-2 after lubricated receives to bunker 9-4, recycles repeatedly.
Claims (9)
1. high-speed electric expreess locomotive self-lubricating integrated apparatus, comprise forward and backward end cap (7), (17), support (9), winding stator core (8), rotor (1), forward and backward bearing (3), (11), bearing end cover (5) and bolt (6), (10), (14) etc. are arranged, it is characterized in that: carrying bearing chamber (9-2) in the support (9) cooperates with rear bearing (11); Rotor (1) is gone up design axial lubrication hole (1-1) and radial lubrication holes a(1-2), radial lubrication holes b(1-3); Support (9) two ends are sealed and matched with the O RunddichtringO with forward and backward end cap (7), (17) respectively; Support (9) forms bunker (9-4) with rear end cap (17) sealing, and fuel level sensor (15) is set in the bunker (9-4).
2. high-speed electric expreess locomotive self-lubricating integrated apparatus as claimed in claim 1 is characterized in that: the outer circumference surface of support (9) is fin (9-1); Support (9) both ends of the surface are provided with O type groove and end cap installing hole; Support (9) inside carries bearing chamber (9-2) and cooperates with rear bearing (11), is step through-hole in the middle of the bearing chamber (9-2), diameter, the degree of depth and rear bearing (11) external diameter of bearing chamber (9-2), bearing width coupling; Bearing chamber (9-2) is divided into iron core gear (9-3) and bunker (9-4) two parts with support (9) inner chamber; Wherein iron core gear (9-3) is used to be equipped with winding stator core (8); Bearing chamber (9-2) forms bunker (9-4) with rear end cap (17) and seals with the O RunddichtringO; Bearing chamber (9-2) evenly is provided with at least 4 spill ports (9-5) all around.
3. the described high-speed electric expreess locomotive self-lubricating of claim 1 integrated apparatus, it is characterized in that: rotor (1) is self-priming structure, rotor (1) inside has axial lubrication hole (1-1) vertically, one end of this axial lubrication hole (1-1) is positioned at rotor (1) lower surface, and the other end is positioned near fore bearing (3) installation site; Also radially be provided with radial lubrication holes a(1-2 respectively near forward and backward bearing (3), (11) installation place), radial lubrication holes b(1-3) communicate with axial lubrication hole (1-1), wherein be positioned near the radial lubrication holes a(1-2 the fore bearing (3)) see from cross section and be the cross setting, this radial lubrication holes a(1-2) position can be in fore bearing (3) outside near fore bearing (3) installed position setting, can also be inboard near fore bearing (3) installed position setting at fore bearing (3); Be positioned near the radial lubrication holes b(1-3 the rear bearing (11)) to be arranged on rear bearing (11) inboard near rear bearing (11) installed position, and communicate with axial lubrication hole (1-1) gone into from a sidetracking of rotor (1) in this hole.
4. high-speed electric expreess locomotive self-lubricating integrated apparatus as claimed in claim 1 is characterized in that: rear end cap (17) inboard is provided with oil filler point, also is provided with porosely to cooperate with binding post (12).
5. as each described high-speed electric expreess locomotive self-lubricating integrated apparatus of claim 1-4, it is characterized in that: described forward and backward end cap (7), (17) also are fixed on the support (9) with bolt B (10) and bolt C (14) with the seam location and installation; Front and back bearings (3), (11) are assemblied in respectively on the front and back bearings position of rotor (1), wherein the cylindrical of rear bearing (11) is with the location of the step in the support bearing chamber (9-2), and fore bearing (3) cylindrical is to locate with the close-fitting end ring of rotor (1) (4); Be provided with preloading spring (2) between end ring (4) and the bearing end cover (5); Bearing end cover (5) is used bolt A(6) be anchored on the front end housing (7); Described support (9) is provided with sealing gasket with the contact-making surface of forward and backward end cap (7), (17), and rotor (1) is provided with sealing ring with bearing end cover (5) cooperation place, and the wire hole on support (9) both ends of the surface is provided with sealing ring.
6. high-speed electric expreess locomotive self-lubricating integrated apparatus as claimed in claim 3, it is characterized in that: be provided with radial lubrication holes a(1-2 near fore bearing (3) inboard, installation site) be connected the radial lubrication holes a(1-2 at this place with axial lubrication hole (1-1)) see from cross section and be the cross setting.
7. high-speed electric expreess locomotive self-lubricating integrated apparatus as claimed in claim 1 is characterized in that: the extreme lower position (I-I) of lubricating oil will be soaked rotor (1) lower end axial plane 5mm at least in the bunker (9-4).
8. high-speed electric expreess locomotive self-lubricating integrated apparatus as claimed in claim 2 is characterized in that: bearing chamber (9-2) evenly is provided with 6 spill ports (9-5) all around.
9. the assembly method of high-speed electric expreess locomotive self-lubricating integrated apparatus: a) stator assembling: will have winding stator core (8) to be pressed in the support (9), and the winding lead wire is passed and sealed by support (9) or front end housing (7) wire hole; B) rotor (1) assembling: front and back bearings (3), (11) are assemblied in respectively on the front and back bearings position of rotor (1); C) rear end cap (17) combine and assemble: 3 binding posts (12) are put insulation respectively go up cover (13) and be installed on the corresponding hole of rear end cap (17) with sealing ring, then fuel level sensor (15) 15 usefulness screws are installed in rear end cap (17) relevant position, again with motor windings lead wire and binding post (12) firm welding; D) rotor (1) that will carry out bearing assembling is positioned over stator central authorities; In support front end face O type seal groove, put into the O RunddichtringO, also be anchored on the support (9) with seam location and installation front end housing (7) again with bolt B (10); Put into end ring (4), compression spring (2) respectively, again bearing end cover (5) used bolt A(6) be fixed on the front end housing (7); E) in support rear end face O type seal groove, put into the O RunddichtringO, the rear end cap (17) that will carry out combine and assemble more with the seam location and installation in support (9) rear end, and use bolt C(14) be fixed on the support (9); F) at last lubricating oil is injected in the bunker (9-4) from oil filler point, use plug (16) that oil filler point is blocked up again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100967800A CN102158004B (en) | 2011-04-18 | 2011-04-18 | Integrated high-speed motor self-lubricating device and assembly method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100967800A CN102158004B (en) | 2011-04-18 | 2011-04-18 | Integrated high-speed motor self-lubricating device and assembly method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102158004A true CN102158004A (en) | 2011-08-17 |
| CN102158004B CN102158004B (en) | 2012-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100967800A Active CN102158004B (en) | 2011-04-18 | 2011-04-18 | Integrated high-speed motor self-lubricating device and assembly method thereof |
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| CN (1) | CN102158004B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324822A (en) * | 2011-10-17 | 2012-01-18 | 永济新时速电机电器有限责任公司 | Variable frequency speed control three-phase asynchronous motor for high-speed rolling test bed |
| CN102983659A (en) * | 2012-11-16 | 2013-03-20 | 武汉同力机电有限公司 | Motor with automatic oil gathering device |
| WO2013097512A1 (en) * | 2011-12-29 | 2013-07-04 | 中山大洋电机股份有限公司 | Motor cooling structure |
| CN103378681A (en) * | 2012-04-12 | 2013-10-30 | 无锡爱奇克发动机有限公司 | Generator housing structure of range extender of electric vehicle |
| CN104214493A (en) * | 2014-09-17 | 2014-12-17 | 华北水利水电大学 | Lubricating system of generator rotor bearings of automobile |
| CN110971088A (en) * | 2019-11-10 | 2020-04-07 | 六安强力电机有限公司 | Optimized assembly process of three-phase asynchronous motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2202374Y (en) * | 1994-09-21 | 1995-06-28 | 千品科技股份有限公司 | Lubricating device for rotor of dc fan motor |
| EP0851133A2 (en) * | 1996-12-24 | 1998-07-01 | Matsushita Electric Industrial Co., Ltd. | Dynamic pressure type fluid bearing device |
| JP2003204655A (en) * | 2001-10-24 | 2003-07-18 | Victor Co Of Japan Ltd | Spindle motor |
| JP2003247547A (en) * | 2002-02-26 | 2003-09-05 | Tokyo Parts Ind Co Ltd | Fluid bearing mechanism and brushless motor equipped with fluid bearing mechanism |
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2011
- 2011-04-18 CN CN2011100967800A patent/CN102158004B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2202374Y (en) * | 1994-09-21 | 1995-06-28 | 千品科技股份有限公司 | Lubricating device for rotor of dc fan motor |
| EP0851133A2 (en) * | 1996-12-24 | 1998-07-01 | Matsushita Electric Industrial Co., Ltd. | Dynamic pressure type fluid bearing device |
| JP2003204655A (en) * | 2001-10-24 | 2003-07-18 | Victor Co Of Japan Ltd | Spindle motor |
| JP2003247547A (en) * | 2002-02-26 | 2003-09-05 | Tokyo Parts Ind Co Ltd | Fluid bearing mechanism and brushless motor equipped with fluid bearing mechanism |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324822A (en) * | 2011-10-17 | 2012-01-18 | 永济新时速电机电器有限责任公司 | Variable frequency speed control three-phase asynchronous motor for high-speed rolling test bed |
| WO2013097512A1 (en) * | 2011-12-29 | 2013-07-04 | 中山大洋电机股份有限公司 | Motor cooling structure |
| CN103378681A (en) * | 2012-04-12 | 2013-10-30 | 无锡爱奇克发动机有限公司 | Generator housing structure of range extender of electric vehicle |
| CN102983659A (en) * | 2012-11-16 | 2013-03-20 | 武汉同力机电有限公司 | Motor with automatic oil gathering device |
| CN104214493A (en) * | 2014-09-17 | 2014-12-17 | 华北水利水电大学 | Lubricating system of generator rotor bearings of automobile |
| CN110971088A (en) * | 2019-11-10 | 2020-04-07 | 六安强力电机有限公司 | Optimized assembly process of three-phase asynchronous motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102158004B (en) | 2012-11-07 |
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