CN207410167U - A kind of high-speed electric expreess locomotive - Google Patents
A kind of high-speed electric expreess locomotive Download PDFInfo
- Publication number
- CN207410167U CN207410167U CN201721612881.8U CN201721612881U CN207410167U CN 207410167 U CN207410167 U CN 207410167U CN 201721612881 U CN201721612881 U CN 201721612881U CN 207410167 U CN207410167 U CN 207410167U
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- CN
- China
- Prior art keywords
- end cap
- engine base
- speed electric
- rotation axis
- electric expreess
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Abstract
The utility model discloses a kind of high-speed electric expreess locomotives.Its solve the problems, such as existing high-speed electric expreess locomotive there is radiating efficiency it is low, plus counterweight speed governing it is complicated for operation and destroy rotor core.It is that ventilation hole is had in two end cap；An air inlet is opened up on side wall of the engine base close to rotation axis non-shaft stretching end, fan housing is sealed and installed on the engine base of corresponding air inlet, has wind turbine in the external mounting of fan housing, the output shaft of wind turbine stretches into fan housing and is being equipped with impeller；Balancing frame is assemblied in the rotation axis on the inside of end cap, and several tapped through holes are provided on balancing frame, and selection is equipped with mass in the tapped through hole.The independently arranged fan housing of the utility model, wind turbine and impeller carry out motor inside forced heat radiation, and radiating efficiency is high；It is easy to operate by selecting that dynamically balanced adjustment can be realized equipped with counterweight screws in tapped through hole, do not destroy rotor core.
Description
Technical field
The motor that the utility model is related to be 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 is more than 10000r/min, with small, transmission effect
The characteristics of rate is high, noise is small, dynamic response is fast.Since the rotating speed of high-speed electric expreess locomotive is higher, compared with common electric machine, heat dissipation and
Higher is required in terms of vibration.Because there is the problems such as heating in winding, structural wear, each component temperature of motor is with the working time
And raise, also limiting motor exports higher temperature while each component 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 is low there are radiating efficiency, can not meet the cooling requirements of high-speed electric expreess locomotive.In addition,
Caused by the vibration of motor is often as the rotor of motor, shaft unbalance dynamic, not only unnecessary energy can be caused to disappear
Consumption also injures the components such as the bearing of motor, shortens 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 shaft, complicated for operation and destroy 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 it is complicated for operation and destroy rotor core
Deficiency, the utility model provide a kind of design rationally, radiating efficiency is high, the simple high-speed electric expreess locomotive of balance adjustment.
Technical solution is used by the utility model solves its technical problem：A kind of high-speed electric expreess locomotive including engine base, is determined
Son, rotor, rotation axis, two end cap and balancing frame, the rotor are fixed on the rotating shaft, stator respective rotor cooperation
In the inside of engine base, the axis that the end cap is individually enclosed on the both ends of engine base and warp beam forwards dynamic support rotating axis respectively is stretched
End and non-shaft stretching end, it is characterised in that：Ventilation hole is had in the two end cap；In the engine base close to rotation axis
An air inlet is opened up on the side wall of non-shaft stretching end, fan housing is sealed and installed on the engine base of the corresponding air inlet, in the fan housing
One wind turbine of external mounting, the output shaft of the wind turbine stretch into fan housing and are being equipped with impeller；The balancing frame is assemblied in
In rotation axis on the inside of end cap, several tapped through holes are provided on the balancing frame, select to set in the tapped through hole
There is mass.
Preferential, dynamic seal is equipped between the axle stretch end and the end cap of the rotation axis.
Preferential, the ventilation hole is opened in one side of the end cap away from air inlet.
Preferential, filter screen is installed on the air inlet of the engine base.
Preferential, the tapped through hole is distributed on balancing frame.
Preferential, the bearing between the axle stretch end and end cap of the rotation axis is back-to-back duplex bearing.
The utility model is to open up an air inlet on side wall of the engine base close to rotation axis non-shaft stretching end, in corresponding air inlet
Engine base on be sealed and installed with fan housing, have a wind turbine in the external mounting of fan housing, the output shaft of wind turbine is stretched into fan housing and is equipped with
Air is sent into through the air inlet on engine base inside motor by impeller, wind turbine driving wheel rotation, impeller, and air is complete inside motor
It is discharged after into heat exchange by the ventilation hole being provided in two end cap, design is reasonable；Fan housing, wind turbine and impeller are independently arranged at machine
On the outer wall of seat, forced heat radiation is carried out to motor inside, radiating efficiency is high, and fan phase is installed additional with the non-shaft stretching end in motor
Than, the Double shaft-extension structure of motor is not influenced, and do not increase the length of motor rotation axis, it occupies little space, is compact-sized；
Balancing frame is equipped in the rotation axis on the inside of end cap, several tapped through holes are provided on balancing frame, are selected in tapped through hole
Dynamically balanced adjustment can be realized equipped with counterweight screws, compared with riveting counterweight on rotor core, weighting operation is simple, no
Destroy rotor core.
Description of the drawings
Fig. 1 is a kind of structure diagram of the utility model.
It is marked in figure：1. engine base, 2. air inlets, 3. stators, 4. rotors, 5. rotation axis, 6. end caps, 7. ventilation holes, 8. is flat
Weigh disk, 9. bearings, 10. dynamic seals, 11. fan housings, 12. filter screens, 13. wind turbines, 14. impellers, 15. tapped through holes, 16. counterweights
Object.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
In Fig. 1, a kind of high-speed electric expreess locomotive, including engine base 1, stator 3, rotor 4, rotation axis 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 engine base 1, axle stretch end and the non-shaft stretching end point of rotation axis 5
It is not rotatably supported in through bearing 9 in two end cap 6, rotor 4 is fixed in rotation axis 5, and 3 respective rotor 4 of stator coordinates in engine base 1
Inside, rotation axis 5 drive rotor 4 to rotate at a high speed.
To make the axial limiting when high speed rotates of rotation axis 5 reliable, as shown in Figure 1, in the present embodiment, rotation axis 5
Bearing 9 between axle stretch end and end cap 6 is back-to-back duplex bearing.
As shown in Figure 1, being equipped with dynamic seal 10 between the axle stretch end of rotation axis 5 and end cap 6, which 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 heat dissipation of high-speed electric expreess locomotive, as shown in Figure 1, having ventilation hole 7 in two end cap 6.
In Fig. 1, an air inlet 2 is opened up on side wall of the engine base 1 close to the non-shaft stretching end of rotation axis 5.It is corresponding should be into
Fan housing 11 is sealed and installed on the engine base 1 in air port 2, in one wind turbine 13 of external mounting of the fan housing 11, the output shaft of wind turbine 13 is stretched
Enter in fan housing 11 and impeller 14 is being installed.Wind turbine 13 drives impeller 14 to rotate, and impeller 14 is by air through the air inlet on engine base 1
2 are sent into the engine base 1 of motor, and the air of flowing passes through the ventilation hole 7 by being provided on end cap 6 in engine base 1 after completion heat exchange
Discharge, takes the heat in engine base 1 out of engine base 1 and discharges.
It is dust-proof in order to be carried out to motor inside, as shown in Figure 1, filter screen 12 is installed on the air inlet 2 of engine base 1, it should
Impurity filter in air is interposed between outside the engine base 1 of electricity piece by filter screen 12.
To ensure that the air of flowing heat exchange in engine base 1 is abundant, as shown in Figure 1, in the present embodiment, ventilation hole 7
It is opened in one side of the end cap 6 away from air inlet 2.
In Fig. 1, balancing frame 8 is coaxially assemblied in the rotation axis 5 of 6 inside of two end cap, uniformly distributed several on the balancing frame 8
Tapped through hole 15, selection is equipped with mass 16 in tapped through hole 15.In the present embodiment, mass 16 preferentially selects counterweight spiral shell
Nail, by selecting to be equipped with counterweight screws in tapped through hole 15, the dynamic balancing of adjusting rotation moving axis 5 reduces rotation axis 5 at a high speed
Vibration during rotation.
The utility model is designed reasonably, radiating efficiency is high, and balance adjustment is simple.
Claims (6)
1. a kind of high-speed electric expreess locomotive, including engine base, stator, rotor, rotation axis, two end cap and balancing frame, the rotor is fixed
On the rotating shaft, the stator respective rotor coordinates in the inside of engine base, and the end cap is individually enclosed in the both ends of engine base
Above and warp beam forwards the axle stretch end and non-shaft stretching end of dynamic support rotating axis respectively, it is characterised in that：Divide in the two end cap
Ventilation hole is not provided with it；An air inlet is opened up on side wall of the engine base close to rotation axis non-shaft stretching end, in the corresponding air inlet
Fan housing is sealed and installed on the engine base of mouth, in one wind turbine of external mounting of the fan housing, the output shaft of the wind turbine stretches into fan housing
It is interior and impeller is being installed；The balancing frame is assemblied in the rotation axis on the inside of end cap, if being provided on the balancing frame
Dry tapped through hole, selection is equipped with mass in the tapped through hole.
2. a kind of high-speed electric expreess locomotive according to claim 1, it is characterised in that：The rotation axis axle stretch end with it is described
End cap between be equipped with dynamic seal.
3. a kind of high-speed electric expreess locomotive according to claim 1, it is characterised in that：The ventilation hole be opened in end cap away from into
The one side in air port.
4. a kind of high-speed electric expreess locomotive according to claim 1, it is characterised in that：It is equipped on the air inlet of the engine base
Filter screen.
5. a kind of high-speed electric expreess locomotive according to claim 1, it is characterised in that：The tapped through hole is distributed on balancing frame
On.
6. a kind of high-speed electric expreess locomotive according to claim 1, it is characterised in that：The axle stretch end of the rotation axis and end cap it
Between bearing be back-to-back duplex bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721612881.8U CN207410167U (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 |
|---|---|---|---|
| CN201721612881.8U CN207410167U (en) | 2017-11-28 | 2017-11-28 | A kind of high-speed electric expreess locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207410167U true CN207410167U (en) | 2018-05-25 |
Family
ID=62317427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721612881.8U Active CN207410167U (en) | 2017-11-28 | 2017-11-28 | A kind of high-speed electric expreess locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207410167U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107834751A (en) * | 2017-11-28 | 2018-03-23 | 威海众泰电机有限公司 | A kind of high-speed electric expreess locomotive |
-
2017
- 2017-11-28 CN CN201721612881.8U patent/CN207410167U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107834751A (en) * | 2017-11-28 | 2018-03-23 | 威海众泰电机有限公司 | A kind of high-speed electric expreess locomotive |
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