CN107834751A - A kind of high-speed electric expreess locomotive - Google Patents
A kind of high-speed electric expreess locomotive Download PDFInfo
- Publication number
- CN107834751A CN107834751A CN201711212223.4A CN201711212223A CN107834751A CN 107834751 A CN107834751 A CN 107834751A CN 201711212223 A CN201711212223 A CN 201711212223A CN 107834751 A CN107834751 A CN 107834751A
- Authority
- CN
- China
- Prior art keywords
- end cap
- support
- speed electric
- expreess locomotive
- electric expreess
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003137 locomotive effect Effects 0.000 title claims abstract description 20
- 230000005855 radiation Effects 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/04—Balancing means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
Abstract
The invention discloses a kind of high-speed electric expreess locomotive.Its solve the problems, such as existing high-speed electric expreess locomotive there is radiating efficiency it is low, plus counterweight speed governing complex operation and destroy rotor core.It is that air vent is had in two end cap；An air inlet is opened up in side wall of the support close to rotary shaft non-shaft stretching end, fan housing is sealed and installed with the support of corresponding air inlet, has blower fan in the external mounting of fan housing, the output shaft of blower fan stretches into fan housing and is being provided with impeller；Balancing frame is assemblied in the rotary shaft on the inside of end cap, and some tapped through holes are provided with balancing frame, selects to be provided with mass in described tapped through hole.Fan housing, blower fan and the impeller that the present invention is independently arranged carry out forced heat radiation to motor internal, and its radiating efficiency is high；By selecting to be provided with the i.e. achievable dynamically balanced adjustment of counterweight screws in tapped through hole, its is simple to operate, does not destroy rotor core.
Description
Technical field
The present invention relates to the motor cooled down by gaseous medium, especially a kind of high-speed electric expreess locomotive.
Background technology
It is known that high-speed electric expreess locomotive typically refers to the motor that rotating speed exceedes 10000r/min, it has small volume, transmission effect
The characteristics of rate is high, noise is small, dynamic response is fast.Because the rotating speed of high-speed electric expreess locomotive is higher, compared with common electric machine, its radiating and
Required in terms of vibration higher.Because there is the problems such as heating in winding, structural wear, each assembly temperature of motor is with the working time
And raise, also limiting motor exports higher temperature while each part service life is shortened, and drags down electric efficiency.To understand
The certainly heat dissipation problem of motor, at present, vast producer are mainly to install radiator fan additional by the non-shaft stretching end in motor, in motor
Portion carries out forced cooling, but this mode has that radiating efficiency is low, can not meet the cooling requirements of high-speed electric expreess locomotive.In addition,
The vibration of motor is often as the rotor of motor, caused by rotating shaft unbalance dynamic, and it not only can cause unnecessary energy to disappear
Consumption, the parts such as the bearing of motor are also injured, shorten the service life of motor.At present, people are matched somebody with somebody by being riveted on rotor core
The mode of weight adjusts rotor, the unbalance dynamic problem of rotating shaft, its complex operation and destruction rotor core, influences the magnetic of motor
Flux density.
The content of the invention
In order to overcome existing high-speed electric expreess locomotive there is radiating efficiency it is low, plus counterweight speed governing complex operation and destroy rotor core
Deficiency, the present invention provide it is a kind of it is reasonable in design, radiating efficiency is high, the simple high-speed electric expreess locomotive of balance adjustment.
The technical solution adopted for the present invention to solve the technical problems is：A kind of high-speed electric expreess locomotive, it include support, stator,
Rotor, rotary shaft, two end cap and balancing frame, described rotor are fixed on the rotating shaft, and described stator respective rotor coordinates
The inside of support, described end cap is individually enclosed on the both ends of support and warp beam forwards the axle stretch end of dynamic support rotating axle respectively
With non-shaft stretching end, it is characterised in that：Air vent is had in described two end cap；It is non-close to rotary shaft in described support
An air inlet is opened up in the side wall of axle stretch end, to fan housing should be sealed and installed with the support of air inlet, in the outer of the fan housing
A blower fan is assembled in portion, and the output shaft of described blower fan stretches into fan housing and is being provided with impeller；Described balancing frame is assemblied in end
Cover in the rotary shaft of inner side, some tapped through holes are provided with described balancing frame, select to be provided with described tapped through hole
Mass.
Preferential, it is provided with dynamic seal between the axle stretch end and described end cap of described rotary shaft.
Preferential, described air vent is opened in side of the end cap away from air inlet.
Preferential, screen pack is installed on the air inlet of described support.
Preferential, described tapped through hole is distributed on balancing frame.
Preferential, the bearing between the axle stretch end and end cap of described rotary shaft is back-to-back duplex bearing.
The present invention is to open up an air inlet in side wall of the support close to rotary shaft non-shaft stretching end, in the machine of corresponding air inlet
Fan housing is sealed and installed with seat, has blower fan in the external mounting of fan housing, the output shaft of blower fan stretches into fan housing and is provided with impeller,
Blower fan drives wheel rotation, and air is sent into motor internal by impeller through the air inlet on support, and air completes heat in motor internal
Amount is discharged after exchanging by the air vent being provided with two end cap, and its is reasonable in design；Fan housing, blower fan and impeller are independently arranged at support
On outer wall, forced heat radiation is carried out to motor internal, its radiating efficiency is high, compared with installing fan additional in the non-shaft stretching end of motor, its
The Double shaft-extension structure of motor is not influenceed, and does not increase the length of motor rotation axis, and it occupies little space, be compact-sized；Holding
Cover in the rotary shaft of inner side and be equipped with balancing frame, some tapped through holes are provided with balancing frame, select to be provided with tapped through hole
Dynamically balanced adjustment can be achieved in counterweight screws, and compared with riveting counterweight on rotor core, its weighting operation is simple, does not destroy
Rotor core.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present invention.
Marked in figure：1. support, 2. air inlets, 3. stators, 4. rotors, 5. rotary shafts, 6. end caps, 7. air vents, 8. is flat
Weigh disk, 9. bearings, 10. dynamic seals, 11. fan housings, 12. screen packs, 13. blower fans, 14. impellers, 15. tapped through holes, 16. counterweights
Thing.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
In Fig. 1, a kind of high-speed electric expreess locomotive, it includes support 1, stator 3, rotor 4, rotary shaft 5, two end cap 6 and balancing frame
8。
As shown in figure 1, two end cap 6 is individually enclosed on the both ends of support 1, axle stretch end and the non-shaft stretching end point of rotary shaft 5
It is not rotatably supported in through bearing 9 in two end cap 6, rotor 4 is fixed in rotary shaft 5, and the respective rotor 4 of stator 3 coordinates in support 1
Inside, the rotor driven 4 of rotary shaft 5 rotate at a high speed.
To make the axial limiting when high speed rotates of rotary shaft 5 reliable, as shown in figure 1, in the present embodiment, rotary shaft 5
Bearing 9 between axle stretch end and end cap 6 is back-to-back duplex bearing.
As shown in figure 1, being provided with dynamic seal 10 between the axle stretch end and end cap 6 of rotary shaft 5, the dynamic seal 10 can hinder
The air under high-speed rotation of rotation stop moving axis 5 is scurried into, and reduces the vibration of high-speed electric expreess locomotive.
To strengthen the radiating of high-speed electric expreess locomotive, as shown in figure 1, having air vent 7 in two end cap 6.
In Fig. 1, an air inlet 2 is opened up in side wall of the support 1 close to the non-shaft stretching end of rotary shaft 5.To that should enter
Fan housing 11 is sealed and installed with the support 1 in air port 2, in the blower fan 13 of external mounting one of the fan housing 11, the output shaft extension of blower fan 13
Enter in fan housing 11 and impeller 14 is being installed.Blower fan 13 drives impeller 14 to rotate, and impeller 14 is by air through the air inlet on support 1
2 are sent into the support 1 of motor, and the air of flowing passes through the air vent 7 by being provided with end cap 6 in support 1 after completion heat exchange
Discharge, it is taken the heat in support 1 out of support 1 and discharged.
It is dust-proof in order to be carried out to motor internal, as shown in figure 1, screen pack 12 is installed on the air inlet 2 of support 1, should
Impurity filter in air is interposed between outside the support 1 of electricity piece by screen pack 12.
To ensure that the air of flowing heat exchange in support 1 is abundant, as shown in figure 1, in the present embodiment, air vent 7
It is opened in side of the end cap 6 away from air inlet 2.
In Fig. 1, balancing frame 8 is coaxially assemblied in the rotary shaft 5 of the inner side of two end cap 6, uniform some on the balancing frame 8
Tapped through hole 15, select to be provided with mass 16 in tapped through hole 15.In the present embodiment, mass 16 preferentially selects counterweight spiral shell
Nail, by selecting to be provided with counterweight screws in tapped through hole 15, the dynamic balancing of adjusting rotation moving axis 5, reduce rotary shaft 5 at a high speed
Vibration during rotation.
The present invention is reasonable in design, and radiating efficiency is high, and balance adjustment is simple.
Claims (6)
1. a kind of high-speed electric expreess locomotive, it includes support, stator, rotor, rotary shaft, two end cap and balancing frame, and described rotor is fixed
On the rotating shaft, described stator respective rotor coordinates is individually enclosed in the both ends of support in the inside of support, described end cap
Above and warp beam forwards the axle stretch end and non-shaft stretching end of dynamic support rotating axle respectively, it is characterised in that：Divide in described two end cap
Air vent is not provided with it；An air inlet is opened up in side wall of the described support close to rotary shaft non-shaft stretching end, to should air intake
Fan housing is sealed and installed with the support of mouth, in the blower fan of external mounting one of the fan housing, the output shaft of described blower fan stretches into fan housing
It is interior and impeller is being installed；Described balancing frame is assemblied in the rotary shaft on the inside of end cap, if being provided with described balancing frame
Dry tapped through hole, select to be provided with mass in described tapped through hole.
A kind of 2. high-speed electric expreess locomotive according to claim 1, it is characterised in that：Described rotary shaft axle stretch end with it is described
End cap between be provided with dynamic seal.
A kind of 3. high-speed electric expreess locomotive according to claim 1, it is characterised in that：Described air vent be opened in end cap away from enter
The side in air port.
A kind of 4. high-speed electric expreess locomotive according to claim 1, it is characterised in that：It is provided with the air inlet of described support
Screen pack.
A kind of 5. high-speed electric expreess locomotive according to claim 1, it is characterised in that：Described tapped through hole is distributed on balancing frame
On.
A kind of 6. high-speed electric expreess locomotive according to claim 1, it is characterised in that：The axle stretch end of described rotary shaft and end cap it
Between bearing be back-to-back duplex bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711212223.4A CN107834751A (en) | 2017-11-28 | 2017-11-28 | A kind of high-speed electric expreess locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711212223.4A CN107834751A (en) | 2017-11-28 | 2017-11-28 | A kind of high-speed electric expreess locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107834751A true CN107834751A (en) | 2018-03-23 |
Family
ID=61646061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711212223.4A Pending CN107834751A (en) | 2017-11-28 | 2017-11-28 | A kind of high-speed electric expreess locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107834751A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111969765A (en) * | 2020-08-26 | 2020-11-20 | 六安华科电机有限公司 | Three-phase motor with good anti-shake performance |
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| CN1866690A (en) * | 2006-06-12 | 2006-11-22 | 中国北车集团永济电机厂 | Low-speed big-diameter high-torque asynchronous motor |
| CN101404422A (en) * | 2008-11-08 | 2009-04-08 | 永济新时速电机电器有限责任公司 | Top-drive variable-frequency control asynchronous motor |
| CN201639435U (en) * | 2010-04-09 | 2010-11-17 | 永济新时速电机电器有限责任公司 | Electric machine with mixed-flow fan for inner-outer air channel circulation |
| CN102195407A (en) * | 2010-11-16 | 2011-09-21 | 安徽皖南电机股份有限公司 | Externally-closed heat-radiating system of motor |
| CN203301306U (en) * | 2013-06-09 | 2013-11-20 | 重庆德马高速设备研究所 | Low-noise motor cooling device |
| CN103516158A (en) * | 2013-10-09 | 2014-01-15 | 中达电机股份有限公司 | Rotor balance disk for three-phase asynchronous motor |
| CN103607073A (en) * | 2013-11-30 | 2014-02-26 | 永济新时速电机电器有限责任公司 | Efficient cooling motor with three independent wind-path structures |
| CN104767330A (en) * | 2015-04-24 | 2015-07-08 | 永济新时速电机电器有限责任公司 | Double-stator variable frequency speed regulation asynchronous motor |
| CN106208510A (en) * | 2016-09-26 | 2016-12-07 | 南京磁谷科技有限公司 | Magnetic suspension motor rotor part and online ballasting method thereof |
| CN106533098A (en) * | 2016-11-30 | 2017-03-22 | 中车永济电机有限公司 | Variable frequency speed regulation asynchronous motor with mechanical brake device for top drive |
| CN206302290U (en) * | 2016-12-19 | 2017-07-04 | 四川宏华电气有限责任公司 | A kind of direct-drive type winch motor |
| CN106992631A (en) * | 2017-05-27 | 2017-07-28 | 濮阳市华南重工科技有限公司 | A kind of open-type suspension variable-frequency motor and the method for assembling the motor |
| CN207410167U (en) * | 2017-11-28 | 2018-05-25 | 威海众泰电机有限公司 | A kind of high-speed electric expreess locomotive |
-
2017
- 2017-11-28 CN CN201711212223.4A patent/CN107834751A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1866690A (en) * | 2006-06-12 | 2006-11-22 | 中国北车集团永济电机厂 | Low-speed big-diameter high-torque asynchronous motor |
| CN101404422A (en) * | 2008-11-08 | 2009-04-08 | 永济新时速电机电器有限责任公司 | Top-drive variable-frequency control asynchronous motor |
| CN201639435U (en) * | 2010-04-09 | 2010-11-17 | 永济新时速电机电器有限责任公司 | Electric machine with mixed-flow fan for inner-outer air channel circulation |
| CN102195407A (en) * | 2010-11-16 | 2011-09-21 | 安徽皖南电机股份有限公司 | Externally-closed heat-radiating system of motor |
| CN203301306U (en) * | 2013-06-09 | 2013-11-20 | 重庆德马高速设备研究所 | Low-noise motor cooling device |
| CN103516158A (en) * | 2013-10-09 | 2014-01-15 | 中达电机股份有限公司 | Rotor balance disk for three-phase asynchronous motor |
| CN103607073A (en) * | 2013-11-30 | 2014-02-26 | 永济新时速电机电器有限责任公司 | Efficient cooling motor with three independent wind-path structures |
| CN104767330A (en) * | 2015-04-24 | 2015-07-08 | 永济新时速电机电器有限责任公司 | Double-stator variable frequency speed regulation asynchronous motor |
| CN106208510A (en) * | 2016-09-26 | 2016-12-07 | 南京磁谷科技有限公司 | Magnetic suspension motor rotor part and online ballasting method thereof |
| CN106533098A (en) * | 2016-11-30 | 2017-03-22 | 中车永济电机有限公司 | Variable frequency speed regulation asynchronous motor with mechanical brake device for top drive |
| CN206302290U (en) * | 2016-12-19 | 2017-07-04 | 四川宏华电气有限责任公司 | A kind of direct-drive type winch motor |
| CN106992631A (en) * | 2017-05-27 | 2017-07-28 | 濮阳市华南重工科技有限公司 | A kind of open-type suspension variable-frequency motor and the method for assembling the motor |
| CN207410167U (en) * | 2017-11-28 | 2018-05-25 | 威海众泰电机有限公司 | A kind of high-speed electric expreess locomotive |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111969765A (en) * | 2020-08-26 | 2020-11-20 | 六安华科电机有限公司 | Three-phase motor with good anti-shake performance |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180323 |
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| WD01 | Invention patent application deemed withdrawn after publication |