CN107719400A - Rail vehicle permanent magnet direct-drive towing gear - Google Patents
Rail vehicle permanent magnet direct-drive towing gear Download PDFInfo
- Publication number
- CN107719400A CN107719400A CN201711007702.2A CN201711007702A CN107719400A CN 107719400 A CN107719400 A CN 107719400A CN 201711007702 A CN201711007702 A CN 201711007702A CN 107719400 A CN107719400 A CN 107719400A
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- wheel
- assembly
- traction motor
- rail vehicle
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
- B61F5/30—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
Abstract
The invention discloses a kind of rail vehicle permanent magnet direct-drive towing gear, including permanent magnet traction motor, bending beam assembly, wheel are to assembly, spring suspension device, yielding coupling, support spring and framework.The present invention, to operation, is eliminated gear-box, avoids the drawbacks such as impact, collision, noise and oil leak caused by gear-box, shorten driving-chain, improve transmission efficiency using permanent magnet traction motor direct drive wheel.Formula hang is held using frame present invention eliminates gear-box, and by permanent magnet traction motor, therefore reduces the overall operation performance for directly acting on and taking turns and to upper unsprung mass, improving rail vehicle.The present invention is using bending connection girder construction, by the wheel at both ends to being connected, space mounting position is provided for permanent magnet traction motor, avoids the rotor direct pressing by permanent magnet traction motor on axletree, permanent magnet traction motor is turned into a separate part, be easy to assembling and later maintenance.
Description
Technical field
The present invention relates to a kind of permanent magnet direct-drive towing gear available for rail vehicle, particularly one kind can be used for machine
Car, motor-car, the permanent magnet direct-drive towing gear of urban rail and subway.
Background technology
The towing gear of rail vehicle can pass to turning moment caused by traction electric machine on wheel pair, be rail vehicle
The core cell of energy converting between mechanical is realized, the lifting of its traction electric machine performance and its optimization of subsystem structure are to lifting rail
Power quality, wheel rail relation and performance of running stability of road vehicle etc. have key and decisive role.
The towing gear of China's rail vehicle is typically defeated as power using phase asynchronous traction electric machine at present
Go out source, and wheel pair is imparted power to by gear-box.The general direct pressing of gear-box is in wheel on affiliated moving axis, not only increasing
Add the unsprung mass of bogie, have a strong impact on wheel rail relation, performance of running stability and the overall performance of vehicle operation of rail vehicle,
And gear-box also has that mechanical breakdown is more in the process of running and many drawbacks such as maintenance cost height；In addition, gear-box can also
The problems such as producing oil leak, noise.
Therefore cancel mechanical gearbox, be to solve to operation using the permagnetic synchronous motor direct drive wheel of high power density
The key of above mentioned problem.
Chinese patent ZL200910011291.3 proposes a kind of new motor-car permanent magnet direct-drive Traction Drive scheme, employs
New shaft coupling and tractive motor hanging mode, and eliminate gear-box；The patent improves the fortune of locomotive, motor car bogie
Row performance, but still suffer from following drawback：
1st, to take turns and directly run through traction electric machine center to affiliated moving axis, not only assembly precision requires high in connection procedure, and
And motor and wheel are to for overall Assembly And Disassembly, being unfavorable for the later maintenance of motor or wheel pair；
Although the 2, the output hollow shaft of traction electric machine and wheel are to using elastic device to reduce vibratory impulse between axle, by
Limited in bogie lower position space, radial space is smaller, is restricted the damping property of this kind of structure；
3rd, although traction electric machine output shaft employs frame and holds formula suspension solutions, but its rotor is still unsprung mass, is run
With the whirling vibration of wheel in journey, the impact to traction electric machine internal bearings is larger, influences the overall operation longevity of traction electric machine
Life.
The content of the invention
To solve above mentioned problem existing for prior art, the present invention will propose that one kind can not only mitigate unsprung mass, improve
Transmission efficiency, and assembling and maintenance, the rail vehicle permanent magnetism for improving anti-seismic performance, improving service life of frame can be conveniently steered
It is straight to drive towing gear.
To reach above-mentioned purpose, the present invention adopts the following technical scheme that：
Rail vehicle permanent magnet direct-drive towing gear, including permanent magnet traction motor, bending beam assembly, wheel are to assembly, bullet
Property suspension arrangement, yielding coupling, support spring and framework；
Described permanent magnet traction motor includes shell, stator, rotor and power output shaft, and described stator is compressed on shell
Inside, rotor are compressed on power output shaft；The both ends of described power output shaft use both-end simultaneously defeated by bearings
Go out structure；
Described bending beam assembly includes bending tie-beam, left support bearing and right support bearing；Described bending connection
Beam uses U-shape structure, and both ends are two with taking turns the concentric holes coaxial to assembly, left support bearing and right support bearing installed in same
In heart hole；
Described wheel is to assembly, using split-type structural, including the wheel at both ends and wheel moving axis；Described wheel moving axis
It is compressed on the center of wheel；
The permanent magnet traction motor is located at the centre position of the U-shape structure of bending tie-beam, by spring suspension device with
Framework connects, and the both-end of its power output shaft on the inside of the yielding coupling at both ends and the wheel moving axis at both ends respectively by connecting；
The wheel moving axis of left and right ends is connected by the both ends of left support bearing and right support bearing and bending tie-beam respectively
Connect and be connected；
Described support spring is installed between framework and power output shaft, for supporting frame.
Further, described support spring positioned at wheel to the outside of assembly, the bottom of the support spring of the left and right sides with
Axle box connection, top and the framework of the left and right sides connect；Outside of the described axle box positioned at wheel to assembly, is sleeved on wheel moving axis
On；
Further, inner side of the described support spring positioned at wheel to assembly, the lower part of the support spring of the left and right sides
It is not connected with bending tie-beam both ends, the connection of top and framework.
Further, whole device is symmetrical.
The present invention compared with prior art, has following obvious prominent property and remarkable advantage：
1st, the present invention eliminates gear-box, avoided due to gear using permanent magnet traction motor direct drive wheel to operation
The drawbacks such as impact, collision, noise and oil leak caused by case, shorten driving-chain, improve transmission efficiency.
2nd, the present invention holds formula hang due to eliminating gear-box, and by permanent magnet traction motor using frame, therefore reduces
Wheel is directly acted on to upper unsprung mass, improves the overall operation performance of rail vehicle.
3rd, the present invention, by the wheel at both ends to being connected, is provided using bending connection girder construction for permanent magnet traction motor
Space mounting position, the rotor direct pressing by permanent magnet traction motor is avoided on axletree, permanent magnet traction motor is turned into one
Separate part, it is easy to assembling and later maintenance.
4th, the output shaft both ends of permanent magnet traction motor are coupled by yielding coupling with wheel moving axis, are effectively reduced operation
During impact of the wheel to permanent magnet traction motor, improve the vibration resistance of permanent magnet traction motor, protect permanent magnet traction motor
Bearing, improve the service life of permanent magnet traction motor.
5th, to sum up, rail vehicle permanent magnet direct-drive draw-gear proposed by the invention, the operation for improving rail vehicle pass
Efficiency of movement, unsprung mass is alleviated, improve the assembly technology of rail vehicle truck, reduced in rail vehicle running
Vibration and impact to permanent magnet traction motor, improve the overall operation performance of rail vehicle.
Brief description of the drawings
The support spring that Fig. 1 is the present invention is located at wheel to the structural representation on the outside of assembly.
The support spring that Fig. 2 is the present invention is located at wheel to the structural representation on the inside of assembly.
In figure：1st, shell, 2, stator, 3, rotor, 4, power output shaft, 5, bending tie-beam, 6, left support bearing, 7, car
Wheel, 8, wheel moving axis, 9, spring suspension device, 10, framework, 11, yielding coupling, 12, axle box, 13, right support bearing, 14,
Bearing, 15, support spring.
Embodiment
The present invention is further described through below in conjunction with the accompanying drawings.As shown in Figure 1-2, rail vehicle permanent magnet direct-drive is drawn
Transmission device, including permanent magnet traction motor, bending beam assembly, wheel are to assembly, spring suspension device 9, yielding coupling 11, support
Spring 15 and framework 10；
Described permanent magnet traction motor includes shell 1, stator 2, rotor 3 and power output shaft 4, and described stator 2 is suppressed
Inside shell 1, rotor 3 is compressed on power output shaft 4；The both ends of described power output shaft 4 are supported by bearing 14, and are adopted
With both-end while export structure；
Described bending beam assembly includes bending tie-beam 5, left support bearing 6 and right support bearing 13；Described bending
Tie-beam 5 uses U-shape structure, and both ends are two with taking turns the concentric holes coaxial to assembly, left support bearing 6 and right support bearing 13
In concentric holes；
Described wheel is to assembly, using the wheel 7 and wheel moving axis 8 of split-type structural, including both ends；Described wheel moves
Axle 8 is compressed on the center of wheel 7；
Described permanent magnet traction motor is located at the centre position of the U-shape structure of bending tie-beam 5, passes through spring suspension device
9 are connected with framework 10, and the both-end of its power output shaft 4 passes through the yielding coupling 11 and the wheel moving axis 8 at both ends at both ends respectively
Inner side connects；
The wheel moving axis 8 of left and right ends passes through left support bearing 6 and right support bearing 13 and the two of bending tie-beam 5 respectively
End connects and is connected；
Described support spring 15 is installed between framework 10 and power output shaft 4, for supporting frame 10.
As shown in figure 1, described support spring 15 is under the outside taken turns to assembly, the support spring 15 of the left and right sides
The axle box 12 of portion and the left and right sides connects, top and framework 10 connect；Outside of the described axle box 12 positioned at wheel to assembly, suit
On wheel moving axis 8；
As shown in Fig. 2 described support spring 15 is under the inner side taken turns to assembly, the support spring 15 of the left and right sides
Portion is connected with the both ends of bending tie-beam 5 respectively, top and framework 10 connect.
Further, whole device is symmetrical.
The present invention is not limited to the present embodiment, any equivalent concepts in the technical scope of present disclosure or changes
Become, be classified as protection scope of the present invention.
Claims (4)
1. rail vehicle permanent magnet direct-drive towing gear, it is characterised in that：Including permanent magnet traction motor, bending beam assembly, wheel
To assembly, spring suspension device (9), yielding coupling (11), support spring (15) and framework (10)；
Described permanent magnet traction motor includes shell (1), stator (2), rotor (3) and power output shaft (4), described stator
(2) it is internal to be compressed on shell (1), rotor (3) is compressed on power output shaft (4)；The both ends of described power output shaft (4) by
Bearing (14) supports, and using both-end while export structure；
Described bending beam assembly includes bending tie-beam (5), left support bearing (6) and right support bearing (13)；Described is curved
Shape tie-beam (5) uses U-shape structure, and both ends are two with taking turns the concentric holes coaxial to assembly, left support bearing (6) and right support
Bearing (13) is arranged in concentric holes；
Described wheel is to assembly, using the wheel (7) and wheel moving axis (8) of split-type structural, including both ends；Described wheel moves
Axle (8) is compressed on the center of wheel (7)；
Described permanent magnet traction motor is located at the centre position of the U-shape structure of bending tie-beam (5), passes through spring suspension device
(9) it is connected with framework (10), the both-end of its power output shaft (4) passes through the yielding coupling (11) and the car at both ends at both ends respectively
Take turns and connected on the inside of moving axis (8)；
The wheel moving axis (8) of left and right ends passes through left support bearing (6) and right support bearing (13) and bending tie-beam (5) respectively
Both ends connect and be connected；
Described support spring (15) is installed between framework (10) and power output shaft (4), for supporting frame (10).
2. rail vehicle permanent magnet direct-drive towing gear according to claim 1, it is characterised in that：Described support bullet
Outside of the spring (15) positioned at wheel to assembly, the bottom of the support spring (15) of the left and right sides and the axle box (12) of the left and right sides are even
Connect, the connection of top and framework (10)；Outside of the described axle box (12) positioned at wheel to assembly, is sleeved on wheel moving axis (8).
3. rail vehicle permanent magnet direct-drive towing gear according to claim 1, it is characterised in that：Described support bullet
Spring (15) positioned at wheel to the inner side of assembly, the bottom of the support spring (15) of the left and right sides respectively with bending tie-beam (5) both ends
Connection, top and framework (10) connect.
4. the rail vehicle permanent magnet direct-drive towing gear according to claim 1,2 or 3, it is characterised in that：Whole dress
Put symmetrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711007702.2A CN107719400B (en) | 2017-10-25 | 2017-10-25 | Permanent magnet direct-drive traction transmission device of railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711007702.2A CN107719400B (en) | 2017-10-25 | 2017-10-25 | Permanent magnet direct-drive traction transmission device of railway vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107719400A true CN107719400A (en) | 2018-02-23 |
| CN107719400B CN107719400B (en) | 2023-05-16 |
Family
ID=61213693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711007702.2A Active CN107719400B (en) | 2017-10-25 | 2017-10-25 | Permanent magnet direct-drive traction transmission device of railway vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107719400B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111332322A (en) * | 2018-12-19 | 2020-06-26 | 南德盘形连轴器制造有限及两合公司 | Drive assembly for a rail vehicle |
| CN112319518A (en) * | 2020-10-23 | 2021-02-05 | 泰安阳光动力电机有限公司 | Driving structure of electric locomotive |
| WO2021258504A1 (en) * | 2020-06-22 | 2021-12-30 | 中车唐山机车车辆有限公司 | Bogie for railway vehicle and railway vehicle |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4912604U (en) * | 1972-05-10 | 1974-02-02 | ||
| JP2005262917A (en) * | 2004-03-16 | 2005-09-29 | Toshiba Corp | Direct drive main electric motor |
| CN101683855A (en) * | 2009-04-24 | 2010-03-31 | 大连交通大学 | Novel locomotive traction transmission device |
| CN104417570A (en) * | 2013-08-23 | 2015-03-18 | 常州长青交通科技股份有限公司 | Rail vehicle wheel pair motor direct driving system |
| CN105197021A (en) * | 2015-09-22 | 2015-12-30 | 南车南京浦镇车辆有限公司 | Motor hold shaft installation type permanent-magnetic direct-drive bogie |
| CN106515750A (en) * | 2016-09-30 | 2017-03-22 | 中车南京浦镇车辆有限公司 | Permanent magnet direct drive subway train |
| WO2017054551A1 (en) * | 2015-09-30 | 2017-04-06 | 中车南京浦镇车辆有限公司 | Low-floor rubber tyre bogie |
| CN207374410U (en) * | 2017-10-25 | 2018-05-18 | 大连交通大学 | Rail vehicle permanent magnet direct-drive towing gear |
-
2017
- 2017-10-25 CN CN201711007702.2A patent/CN107719400B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4912604U (en) * | 1972-05-10 | 1974-02-02 | ||
| JP2005262917A (en) * | 2004-03-16 | 2005-09-29 | Toshiba Corp | Direct drive main electric motor |
| CN101683855A (en) * | 2009-04-24 | 2010-03-31 | 大连交通大学 | Novel locomotive traction transmission device |
| CN104417570A (en) * | 2013-08-23 | 2015-03-18 | 常州长青交通科技股份有限公司 | Rail vehicle wheel pair motor direct driving system |
| CN105197021A (en) * | 2015-09-22 | 2015-12-30 | 南车南京浦镇车辆有限公司 | Motor hold shaft installation type permanent-magnetic direct-drive bogie |
| WO2017054551A1 (en) * | 2015-09-30 | 2017-04-06 | 中车南京浦镇车辆有限公司 | Low-floor rubber tyre bogie |
| CN106515750A (en) * | 2016-09-30 | 2017-03-22 | 中车南京浦镇车辆有限公司 | Permanent magnet direct drive subway train |
| CN207374410U (en) * | 2017-10-25 | 2018-05-18 | 大连交通大学 | Rail vehicle permanent magnet direct-drive towing gear |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111332322A (en) * | 2018-12-19 | 2020-06-26 | 南德盘形连轴器制造有限及两合公司 | Drive assembly for a rail vehicle |
| WO2021258504A1 (en) * | 2020-06-22 | 2021-12-30 | 中车唐山机车车辆有限公司 | Bogie for railway vehicle and railway vehicle |
| CN112319518A (en) * | 2020-10-23 | 2021-02-05 | 泰安阳光动力电机有限公司 | Driving structure of electric locomotive |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107719400B (en) | 2023-05-16 |
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