CN204013029U - A kind of high-speed asynchronous induction machine with hydrodynamic gas-lubricated bearing - Google Patents
A kind of high-speed asynchronous induction machine with hydrodynamic gas-lubricated bearing Download PDFInfo
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- CN204013029U CN204013029U CN201420470244.1U CN201420470244U CN204013029U CN 204013029 U CN204013029 U CN 204013029U CN 201420470244 U CN201420470244 U CN 201420470244U CN 204013029 U CN204013029 U CN 204013029U
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- bearing
- thrust
- journal bearing
- paper tinsel
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- 230000006698 induction Effects 0.000 title claims abstract description 18
- 239000011888 foil Substances 0.000 claims abstract description 33
- 210000004907 gland Anatomy 0.000 claims description 8
- 239000002826 coolant Substances 0.000 claims description 2
- 230000005855 radiation Effects 0.000 claims description 2
- 230000003068 static effect Effects 0.000 description 7
- 230000002706 hydrostatic effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Support Of The Bearing (AREA)
- Sliding-Contact Bearings (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The utility model relates to a kind of high-speed asynchronous induction machine with hydrodynamic gas-lubricated bearing, comprises motor casing, stator, rotor, motor cover and rotor mandrel.In motor casing, be provided with left and right journal bearing assembly, journal bearing is paillon foil formula kinetic pressure gas journal bearing.In motor casing, right side is provided with interior thrust shaft block, outer thrust shaft block and thrust button, between interior thrust shaft block and thrust button, be provided with interior thrust bearing, between thrust button and outer thrust shaft block, be provided with outer thrust bearing, inside and outside thrust bearing is paillon foil formula kinetic pressure gas thrust bearing.Inside and outside thrust shaft block is provided with thrust bearing location hole, and interior thrust bearing and outer thrust bearing are located by thrust bearing alignment pin.The utility model is used paillon foil formula self-acting air bearing to make inside and outside thrust bearing and journal bearing, improve the high stability of motor device, reduce vibration and noise, save outside wind regime or inner wind path mechanism, reduce power consumption, there is high-power, high rotating speed, noise and temperature rise is low, compact conformation and the advantage such as dynamic characteristic is good and non-maintaining.
Description
Technical field
The utility model belongs to electromechanical equipment technical field, relates to a kind of high-speed asynchronous induction machine, is specifically related to a kind of high-speed asynchronous induction machine with hydrodynamic gas-lubricated bearing.
Background technology
The rotor main shaft of high-speed high-power AC induction motor needs journal bearing, inside and outside thrust bearing support and lubricate.Practice shows, rolling bearing fretting wear is large, precision is low, the life-span is short, is not suitable for high-speed working condition.Magnetic suspension bearing correlation technique still immature, involve great expense, control structure is complicated, easily cause electromagnetic pollution, cannot realize large-scale application.Liquid sliding bearing bearing capacity and stiffness is all high, but fluid damping is large, and caloric value in service is large, and speed is restricted.Gas bearing is to using gas as the contactless support pattern of lubricant, has the features such as little, the pollution-free and homogenize effect of gas viscosity, therefore possesses higher rotating speed, better precision and approach the unlimited life-span.
Traditional gas bearing supporting main minute hydrostatic gas-lubricated bearing and dynamical and static pressure gas bearing, but hydrostatic gas-lubricated bearing needs external air source to continue air feed to form stable lubricated air film, complex structure, use cost is high, the rigidity of hydrostatic gas-lubricated bearing and bearing capacity and lower.Although dynamical and static pressure gas bearing has improved antiwhip and load, its complex structure, difficulty of processing is large.
Publication number is that the Chinese utility model patent application of CN103846459A discloses " a kind of electric main shaft of dynamic and static pressure integrated gas bearing supporting.Comprise rotating shaft, front radially dynamic and static pressure integrated gas bearing, front thrust gas bearing, thrust button, rear thrust gas bearing, fastening bolt, housing, rotor, motor stator, after radially dynamic and static pressure integrated gas bearing and rear end cap ".This patent, by adopting the integrated gas bearing of dynamic and static pressure to support electric main shaft, is first carried out the air feed of a period of time to the hydrostatic gas-lubricated bearing of bearing, rotor can be floated, then by improving rotating speed, utilize the dynamic pressure effect of hydrodynamic gas-lubricated bearing, carrys out support load.The dynamic pressure effect that this patent takes full advantage of hydrodynamic gas-lubricated bearing carrys out support load, improves bearing capacity and stability.But still need front air admission hole, front-seat pore, rear air admission hole and final vacuum hole, first the hydrostatic gas-lubricated bearing of bearing is carried out the air feed of a period of time, complex structure not only, and increased power consumption.The spiral groove type dynamic and static pressure journal bearing bearing capacity adopting is on the low side, and difficulty of processing is large, is not suitable for industrialized mass production.
Utility model content
For overcoming the deficiencies in the prior art, the utility model provides a kind of high-speed asynchronous induction machine with hydrodynamic gas-lubricated bearing, with the paillon foil formula self-acting air bearing of optimizing, simplifies the structure of bearing arrangement, reduce power consumption, improve bearing capacity and the stability of pneumatic bearing.
The technical solution of the utility model is: the high-speed asynchronous induction machine with hydrodynamic gas-lubricated bearing, comprises motor casing, stator, rotor, motor cover and rotor mandrel.In motor casing, be provided with left and right journal bearing assembly, left and right journal bearing assembly is arranged on respectively the two ends of rotor.Journal bearing assembly comprises radial axle bearing, journal bearing, bearing position and journal bearing gland, and journal bearing is paillon foil formula kinetic pressure gas journal bearing.In motor casing, right side is provided with interior thrust shaft block, outer thrust shaft block and thrust button, between interior thrust shaft block and thrust button, be provided with interior thrust bearing, between thrust button and outer thrust shaft block, be provided with outer thrust bearing, interior thrust bearing and outer thrust bearing are paillon foil formula kinetic pressure gas thrust bearing.Interior thrust shaft block and outer thrust shaft block are provided with thrust bearing location hole, and interior thrust bearing and outer thrust bearing are located by the rationed marketing of thrust bearing position.
Paillon foil formula kinetic pressure gas thrust bearing consists of base plate, ripple paper tinsel and top paper tinsel, and ripple paper tinsel and top paper tinsel are successively welded on base plate.Paillon foil formula kinetic pressure gas journal bearing consists of journal bearing ripple paper tinsel, journal bearing top paper tinsel and alignment pin, journal bearing top paper tinsel and journal bearing ripple paper tinsel are circumferentially fixed in radial axle bearing by alignment pin, and journal bearing gland is by journal bearing ripple paper tinsel and journal bearing top paper tinsel axial limiting.Motor is provided with labyrinth seal plate, prevents that external dust from entering motor internal, guarantees the clean of paillon foil formula self-acting air bearing operational environment.Motor is provided with frequency-converting speed-governing control system.Motor is provided with heat radiation wing or coolant internal circulation system.
Paillon foil formula self-acting air bearing is compared with traditional gas bearing, have service life long, without external air source, the advantage such as greasy property is good, reliability is high, bearing capacity is large, heat-resisting ability is strong and high stability is good.Because paillon foil has good elastic characteristic, make bearing area supported to do corresponding distortion according to the variation of rotating speed and load and adjust, automatically form corresponding lubricated air film, embodied stronger impact resistance and adaptive performance.Because foil bearing between paillon foil and paillon foil and exist Coulomb friction power between paillon foil and bear box inwall, has consumed part excess energy, to suppressing vibration of rotor system, keeping the aspects such as stability to play an important role in running.The adaptive characteristic of paillon foil itself, makes foil bearing require with respect to the tolerance grade of hydrostatic gas-lubricated bearing and rotor centering requires harsh degree greatly to reduce.Paillon foil formula self-acting air bearing advantage is: 1. integral rigidity is good, and bearing capacity is large, and damping capacity is good, and damping capaicty is strong, runs up stable; 2. bearing self structure is simple, does not need complicated flow controller parts, does not need outside air feed equipment, simple in structure, non-maintaining; 3. moment of friction is low, and friction power loss is little, and rotating speed is high, adopts solid lubrication technology, long service life.
The utility model is used paillon foil formula self-acting air bearing to make inside and outside thrust bearing and journal bearing with the high-speed asynchronous induction machine of hydrodynamic gas-lubricated bearing, can improve the high stability of motor device, reduce vibration and noise, save outside wind regime or inner wind path mechanism, simplify the structure of bearing arrangement, reduce power consumption, have that rotating speed is high, sound is low, temperature rise is low, a compact conformation, the advantage such as volume is little and dynamic characteristic is good.Paillon foil formula self-acting air bearing has that bearing capacity is large, greasy property good, without features such as outside wind regime and long service life.
Accompanying drawing explanation
Fig. 1 is that the utility model is with the structural representation of the high-speed asynchronous induction machine of hydrodynamic gas-lubricated bearing;
Fig. 2 is the A Local map of Fig. 1;
Fig. 3 is the structural representation of paillon foil formula kinetic pressure gas thrust bearing;
Fig. 4 is the structural representation of paillon foil formula kinetic pressure gas journal bearing;
Fig. 5 is journal bearing ripple paper tinsel schematic diagram;
Fig. 6 is journal bearing top paper tinsel schematic diagram.
Wherein:
1-rotor mandrel, the positive and negative nut of 2-hexagonal flange, 3-labyrinth seal plate, 4-left radial axle bearing, 5-left journal bearing, 6-stator, 7-motor casing, 8-right journal bearing, 9-interior thrust shaft block, 10-thrust bearing location hole, 11-outer thrust shaft block, 12-rotor, 13-right radial axle bearing, 14-interior thrust bearing, 15-thrust button 16-outer thrust bearing, 17-motor cover, 18-left bearing position, 19-right bearing position, 20-journal bearing gland, 21-paillon foil formula kinetic pressure gas thrust bearing, 22-base plate, 23-ripple paper tinsel, 24-top paper tinsel, 25-solder joint, 26-radial axle bearing, 27-alignment pin, 28-journal bearing ripple paper tinsel, 29-journal bearing top paper tinsel.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is elaborated.The utility model protection range is not limited to embodiment, makes the scope that any change also belongs to the utility model protection in the scope that those skilled in the art limit in claim.
The utility model, with the high-speed asynchronous induction machine of hydrodynamic gas-lubricated bearing, as shown in Figure 1 and Figure 2, comprises motor casing 7, stator 6, rotor 12, motor cover 17He rotor mandrel 1.In motor casing, be provided with left and right journal bearing assembly, left and right journal bearing assembly is arranged on respectively the two ends of rotor.Left journal bearing assembly comprises left radial axle bearing 4, left journal bearing 5, left bearing position 18 and journal bearing gland 20, and right journal bearing assembly comprises right bearing position 19, right journal bearing 8, right radial axle bearing 13 and journal bearing gland.Left bearing position and right bearing position are positioned at the two ends of rotor.Left journal bearing and right journal bearing are paillon foil formula kinetic pressure gas journal bearing, as shown in Figure 4, Figure 5 and Figure 6, paillon foil formula kinetic pressure gas journal bearing consists of journal bearing ripple paper tinsel 28, journal bearing top paper tinsel 29 and alignment pin 27, journal bearing top paper tinsel and journal bearing ripple paper tinsel are axially fixed in radial axle bearing 26 by alignment pin, and journal bearing gland 20 is by journal bearing ripple paper tinsel and journal bearing top paper tinsel axial limiting.In motor casing, right side is provided with interior thrust shaft block 9, outer thrust shaft block 11 and thrust button 15, between interior thrust shaft block and thrust button, be provided with interior thrust bearing 14, between thrust button and outer thrust shaft block, be provided with outer thrust bearing 16, interior thrust bearing and outer thrust bearing are paillon foil formula kinetic pressure gas thrust bearing.As shown in Figure 3, paillon foil formula kinetic pressure gas thrust bearing 21 consists of base plate 22, ripple paper tinsel 23 and top paper tinsel 24, and ripple paper tinsel and top paper tinsel are successively welded on base plate by Laser Welding method.Interior thrust shaft block and outer thrust shaft block are provided with thrust bearing location hole 10, and interior thrust bearing and thrust bearing are located by thrust bearing alignment pin.Motor is provided with labyrinth seal plate 3, for motor seal.Motor is provided with frequency-converting speed-governing control system.Small power electric engine housing arranges heat-dissipating fin, in large power, electrically engine housing, water-cooling system is set.
Paillon foil formula kinetic pressure gas journal bearing and thrust bearing are floating bearings, do not need external air source and are located at inner special air duct, and air is rotarily formed under the effect of pressure and produces the bearing suspending around, while normally working without the extra source of the gas that increases.The utility model is with the high-speed asynchronous induction machine of hydrodynamic gas-lubricated bearing, do not need the complicated filmatic bearing that uses and oil supply system etc., the composition of oil-containing not in the air of discharge.Paillon foil formula kinetic pressure gas thrust bearing does not consume the energy, and maintaining expense is low, can realize the stable running of long period, improves the operating efficiency of whole system.Motor is provided with frequency-converting speed-governing control system, and during the change of external load, frequency converter automatically regulates the speed of gyration of motor, accomplishes optimum economical operation, effectively energy savings.
Claims (6)
1. the high-speed asynchronous induction machine with hydrodynamic gas-lubricated bearing, comprise motor casing (7), stator (6), rotor (12), motor cover (17) and rotor mandrel (1), in described motor casing, be provided with left and right journal bearing assembly, left and right radially thrust bearing assembly is arranged on respectively the two ends of rotor; It is characterized in that: described journal bearing assembly comprises radial axle bearing (26), journal bearing, bearing position and journal bearing gland (20), described journal bearing is paillon foil formula kinetic pressure gas journal bearing; In described motor casing, right side is provided with interior thrust shaft block (9), outer thrust shaft block (11) and thrust button (15), between interior thrust shaft block and thrust button, be provided with interior thrust bearing (14), between thrust button and outer thrust shaft block, be provided with outer thrust bearing (16), described interior thrust bearing and outer thrust bearing are paillon foil formula kinetic pressure gas thrust bearing; Described interior thrust shaft block and outer thrust shaft block are provided with thrust bearing location hole (10), and interior thrust bearing and outer thrust bearing are by determining the finger setting of thrust bearing position.
2. according to claim 1 with the high-speed asynchronous induction machine of hydrodynamic gas-lubricated bearing, it is characterized in that: described paillon foil formula kinetic pressure gas thrust bearing (5) consists of base plate (10), ripple paper tinsel (13) and top paper tinsel (20), and ripple paper tinsel and top paper tinsel are successively welded on base plate.
3. according to claim 1 with the high-speed asynchronous induction machine of hydrodynamic gas-lubricated bearing, it is characterized in that: described paillon foil formula kinetic pressure gas journal bearing consists of journal bearing ripple paper tinsel (28), journal bearing top paper tinsel (29) and alignment pin (27), journal bearing top paper tinsel and journal bearing ripple paper tinsel are circumferentially fixed in radial axle bearing (26) by alignment pin, and journal bearing gland (20) is by journal bearing ripple paper tinsel and journal bearing top paper tinsel axial limiting.
4. according to claim 1 with the high-speed asynchronous induction machine of hydrodynamic gas-lubricated bearing, it is characterized in that: described motor is provided with labyrinth seal plate (3).
5. according to claim 1 with the high-speed asynchronous induction machine of hydrodynamic gas-lubricated bearing, it is characterized in that: described motor is provided with frequency-converting speed-governing control system.
6. according to claim 1 with the high-speed asynchronous induction machine of hydrodynamic gas-lubricated bearing, it is characterized in that: described motor is provided with heat radiation wing or coolant internal circulation system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420470244.1U CN204013029U (en) | 2014-08-20 | 2014-08-20 | A kind of high-speed asynchronous induction machine with hydrodynamic gas-lubricated bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420470244.1U CN204013029U (en) | 2014-08-20 | 2014-08-20 | A kind of high-speed asynchronous induction machine with hydrodynamic gas-lubricated bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204013029U true CN204013029U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420470244.1U Expired - Lifetime CN204013029U (en) | 2014-08-20 | 2014-08-20 | A kind of high-speed asynchronous induction machine with hydrodynamic gas-lubricated bearing |
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| Country | Link |
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| CN (1) | CN204013029U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104135103A (en) * | 2014-08-20 | 2014-11-05 | 石家庄金士顿轴承科技有限公司 | High-speed asynchronous induction motor with hydrodynamic gas-lubricated bearings |
| CN107899765A (en) * | 2017-11-30 | 2018-04-13 | 北京航空航天大学 | A kind of high speed rotary atomizer based on air bearing |
| CN109149843A (en) * | 2018-09-25 | 2019-01-04 | 哈尔滨工业大学 | A kind of air bearing rotor bearing-free motor of slot wedge ventilation |
-
2014
- 2014-08-20 CN CN201420470244.1U patent/CN204013029U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104135103A (en) * | 2014-08-20 | 2014-11-05 | 石家庄金士顿轴承科技有限公司 | High-speed asynchronous induction motor with hydrodynamic gas-lubricated bearings |
| CN107899765A (en) * | 2017-11-30 | 2018-04-13 | 北京航空航天大学 | A kind of high speed rotary atomizer based on air bearing |
| CN109149843A (en) * | 2018-09-25 | 2019-01-04 | 哈尔滨工业大学 | A kind of air bearing rotor bearing-free motor of slot wedge ventilation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: High-speed asynchronous induction motor with hydrodynamic gas-lubricated bearings Effective date of registration: 20190716 Granted publication date: 20141210 Pledgee: China Everbright Bank Limited by Share Ltd. Shijiazhuang branch Pledgor: SHIJIAZHUANG KINGSTON BEARING TECHNOLOGY Co.,Ltd. Registration number: 2019130000013 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200724 Granted publication date: 20141210 Pledgee: China Everbright Bank Limited by Share Ltd. Shijiazhuang branch Pledgor: SHIJIAZHUANG KINGSTON BEARING TECHNOLOGY Co.,Ltd. Registration number: 2019130000013 |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 052360 South Weiyi Road, Xinji Economic Development Zone, Shijiazhuang City, Hebei Province Patentee after: Hebei Kingston Technology Co.,Ltd. Address before: 052360 South Weiyi Road, Xinji Economic Development Zone, Shijiazhuang City, Hebei Province Patentee before: SHIJIAZHUANG KINGSTON BEARING TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141210 |