CN210971080U - Bogie for railway vehicle and railway vehicle with same - Google Patents
Bogie for railway vehicle and railway vehicle with same Download PDFInfo
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- CN210971080U CN210971080U CN201921258090.9U CN201921258090U CN210971080U CN 210971080 U CN210971080 U CN 210971080U CN 201921258090 U CN201921258090 U CN 201921258090U CN 210971080 U CN210971080 U CN 210971080U
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Abstract
The utility model discloses a rail vehicle that is used for rail vehicle's bogie and has it for rail vehicle's bogie includes: the driving axle comprises a driving motor, a speed reducer, a differential mechanism, a first half shaft and a second half shaft, wherein an output shaft of the driving motor is in power coupling connection with an input end of the speed reducer, an output end of the speed reducer is in power coupling connection with an input end of the differential mechanism, and two output ends of the differential mechanism are in power coupling connection with the first half shaft and the second half shaft respectively; one of the two running wheels is connected with the first half shaft, and the other running wheel is connected with the second half shaft. According to the utility model discloses a bogie for rail vehicle walks capable wheel through setting up transaxle and two, and the transaxle sets up driving motor, reduction gear, differential mechanism, first semi-axis, second semi-axis to the dynamic behavior, the steering behavior and the operating performance of bogie have been promoted, and simple structure, compact structure promotes the life of walking the capable wheel.
Description
Technical Field
The utility model belongs to the rail transit field particularly, relates to a rail vehicle who is used for rail vehicle's bogie and has it.
Background
In the related art, the drive axle of the railway vehicle needs to reduce more speed in advance before turning to smoothly pass through a curve, and has the disadvantages of complex structure, heavy weight, large occupied space, high power transmission efficiency loss and high manufacturing cost.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a bogie for rail vehicle, a bogie integrated level for rail vehicle is high, simple structure, and has promoted rail vehicle's the performance of traveling.
According to the utility model discloses a bogie for rail vehicle includes: the driving axle comprises a driving motor, a speed reducer, a differential mechanism, a first half shaft and a second half shaft, wherein an output shaft of the driving motor is in power coupling connection with an input end of the speed reducer, an output end of the speed reducer is in power coupling connection with an input end of the differential mechanism, and two output ends of the differential mechanism are in power coupling connection with the first half shaft and the second half shaft respectively; and one of the two running wheels is connected with the first half shaft, and the other running wheel is connected with the second half shaft.
According to the utility model discloses a bogie for rail vehicle walks capable wheel through setting up transaxle and two, and the transaxle sets up driving motor, reduction gear, differential mechanism, first semi-axis, second semi-axis to the dynamic behavior, the steering behavior and the operating performance of bogie have been promoted, and simple structure, compact structure promotes the life of walking the capable wheel.
According to the utility model discloses a bogie for rail vehicle, the reduction gear includes first planetary gear mechanism, first planetary gear mechanism's input with driving motor's output shaft power coupling is connected, first planetary gear mechanism's output with differential mechanism's input power coupling is connected.
According to the utility model discloses a bogie for rail vehicle, the reduction gear still includes second planetary gear mechanism, second planetary gear mechanism's input with first planetary gear mechanism's output power coupling is connected, second planetary gear mechanism's output with differential mechanism's input power coupling is connected.
According to the utility model discloses a bogie for rail vehicle, the transaxle still includes the axle housing, the reduction gear differential mechanism all install in the axle housing, first ring gear of first planetary gear mechanism with second ring gear of second planetary gear mechanism all with axle housing fixed connection, first sun gear of first planetary gear mechanism with driving motor's output shaft power coupling is connected, first planetary gear mechanism's first planet carrier with second planetary gear mechanism's second sun gear power coupling is connected, second planetary gear mechanism's second planet carrier with differential mechanism's input power coupling is connected.
According to the utility model discloses a bogie for rail vehicle, first planet carrier has the section of stretching out towards second planetary gear mechanism, stretch out the section empty cover and be in outside the first semi-axis, the second sun gear cover is located stretch out outside the section, and with stretch out section power coupling and connect.
According to the utility model discloses a bogie for rail vehicle still includes: first bearing, second bearing, third bearing, first sun gear supports through first bearing on the first planet carrier, first planet carrier is supported through the second bearing and is installed on driving motor's the casing, the differential mechanism casing is formed differential mechanism's input, the second planet carrier with differential mechanism's casing fixed connection, the differential mechanism casing passes through the third bearing support in the axle housing.
According to the utility model discloses a bogie for rail vehicle still includes: and the fourth bearing is arranged between the second planet carrier and the first planet carrier.
According to the utility model discloses a bogie for rail vehicle, driving motor the reduction gear first semi-axis the second semi-axis the axis coincidence of differential mechanism's input.
According to the utility model discloses a bogie for rail vehicle, driving motor the reduction gear differential mechanism arrange in proper order along transversely.
According to the utility model discloses a bogie for rail vehicle, first semi-axis with the second semi-axis is along horizontal extension, first semi-axis is close to driving motor, the second semi-axis is kept away from driving motor, driving motor's output shaft is the hollow shaft, the second sun gear first planet aerial sleeve is in outside the first semi-axis.
According to the utility model discloses a bogie for rail vehicle, the length of first semi-axis is greater than the length of second semi-axis, driving motor's the empty cover of output shaft is in outside the first semi-axis.
According to the utility model discloses a bogie for rail vehicle, walk the road wheel and be the rubber tyer.
The utility model also provides a rail vehicle, include according to the utility model discloses any one embodiment a bogie for rail vehicle.
The railway vehicle has the same advantages of the bogie for the railway vehicle compared with the prior art, and the detailed description is omitted.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is an isometric view of a truck according to an embodiment of the present invention;
fig. 2 is a front view of a drive axle of a bogie according to one embodiment of the present invention;
fig. 3 is a partial cross-sectional view of a drive axle of a truck according to one embodiment of the present invention;
fig. 4 is a schematic view of a drive axle of a bogie according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a vehicle according to an embodiment of the present invention.
Reference numerals:
a rail vehicle 2000;
a bogie 1000;
a transaxle 100; a left steering yoke assembly 2; a right steering yoke assembly 6; a first axle housing 5; a second axle housing 3;
a driving motor 200; a motor housing 4; an output shaft 19; a rotor 20; a stator 21;
a first sun gear 28; a first ring gear 15; a first planet shaft 24; a first planetary gear 25; a first carrier 29;
the second sun gear 31; a second ring gear 12; a second planet shaft 11; the second planet wheels 32; the second carrier 41;
a differential planetary gear 8; differential planet shafts 9; a differential case 10;
a first half shaft 23; a first half gear 33;
a second half shaft 35; a second side gear 7;
running wheels 500; a hub assembly 1;
a first circlip 16 for hole; a second circlip 14 for hole;
a first bearing 27; a second bearing 26; a third bearing 34; a fourth bearing 30; a fifth bearing 18;
the elastic cylindrical pin 13 is sealed with oil 17; a flange plate 22;
a straight push rod 38; a V push rod 39; an air spring 40.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
A bogie 1000 for a railway vehicle according to an embodiment of the present invention will be described below with reference to fig. 1 to 5, wherein the lateral direction in the present invention is the left-right direction of the vehicle.
According to the utility model discloses a bogie 1000 for rail vehicle is used for the drive vehicle to travel, wherein is used for rail vehicle's bogie 1000 to include transaxle 100, frame type part, steering linkage, straight push rod 38, V push rod 39, air spring 40 etc..
The transaxle 100 includes: the drive axle 100 can also comprise axle housings, a left steering yoke assembly 2, a right steering yoke assembly 6 and a hub assembly 1, the drive axle 100 plays a role in supporting a vehicle body, steering and driving the vehicle to run, the running wheels 500 of the railway vehicle 2000 can be installed on the hub assembly 1, and the axle housings can comprise a first axle housing 3 and a second axle housing 5 which are installed on two sides of a motor housing 4 of the drive motor 200.
The driving motor 200 may include: motor housing 4, stator 21, rotor 20, output shaft 19. When the three-phase line of the motor is electrified, the rotor 20 drives the output shaft 19 to rotate, the output shaft 19 is fixedly connected with the rotor 20, one end, far away from the driving motor 200, of the output shaft 19 is fixed on the motor shell 4 through the fifth bearing 18, one end, close to the driving motor 200, of the output shaft is fixed on the motor shell 4 through the fifth bearing 18 and the flange plate 22, oil seals 17 are installed at the positions of the motor shell 4 and the flange plate 22, engine oil in the first axle housing 5 and the second axle housing 3 is prevented from entering the motor assembly, and one end, close to the speed reducer, of the output shaft.
The output shaft 19 of the driving motor 200 is in power coupling connection with the input end of the speed reducer, the output end of the speed reducer is in power coupling connection with the input end of the differential, two output ends of the differential are in power coupling connection with the first half shaft 23 and the second half shaft 35 respectively, and the two traveling wheels 500 are connected with the first half shaft 23 and the second half shaft 35 respectively.
Therefore, the power output by the driving motor 200 can be transmitted to the differential through the speed reduction and torque increase of the speed reducer, and then the power is transmitted to the two traveling wheels 500 through the first half shaft 23 and the second half shaft 35 respectively, so that the traveling driving of the vehicle and the steering differential of the two traveling wheels are realized.
The speed reducer can reduce the speed and increase the torque of the power output by the driving motor 200, so that the power performance of the rail vehicle 2000 is enhanced, the differential mechanism can enable the two traveling wheels 500 on the two sides of the vehicle to rotate at different rotating speeds, when the rail vehicle 2000 turns, the rotating speed of the traveling wheels 500 on the inner side of a curve is lower, and the rotating speed of the traveling wheels 500 on the outer side of the curve is higher, so that the rail vehicle 2000 can stably pass the curve, the rail vehicle 2000 can turn the rail vehicle 2000 without reducing more speeds before passing the curve, the steering performance and the operating performance of the rail vehicle 2000 are improved, the abrasion of the traveling wheels 500 can be effectively reduced, and the service life of the traveling wheels 500 is prolonged.
According to the utility model discloses a bogie 1000 for rail vehicle walks capable wheel 500 through setting up transaxle 100 and two, and transaxle 100 sets up driving motor 200, reduction gear, differential mechanism, first semi-axis 23, second semi-axis 35 to the dynamic behavior, the steering behavior and the operating performance of bogie 1000 have been promoted, and simple structure, compact structure promotes the life of walking capable wheel 500.
Some embodiments of a bogie 1000 for a rail vehicle according to the present invention are described below with reference to fig. 1-5.
In some embodiments, the speed reducer includes a first planetary gear mechanism and a second planetary gear mechanism, an input end of the first planetary gear mechanism is in power coupling connection with the output shaft 19 of the driving motor 200, an output end of the first planetary gear mechanism is in power coupling connection with the second planetary gear mechanism, and an output end of the second planetary gear mechanism is in power coupling connection with an input end of the differential.
From this, through the two-stage reduction of first planetary gear mechanism and second planetary gear mechanism with driving motor 200's power transmission to differential mechanism, and then transmit and walk the wheel 500, drive rail vehicle 2000's the traveling, the diameter of reduction gear can be reduced under the prerequisite of guaranteeing required reduction ratio to the setting of two-stage reduction, and planetary gear mechanism's simple structure, compactness, load distribution to a plurality of gears, thereby make the intensity of reduction gear big, and all gears are intermeshing all the time, frictional wear is little, thereby can strengthen the life-span of reduction gear.
In some embodiments, the transaxle 100 further includes an axle housing, the speed reducer and the differential are mounted in the axle housing, and the first planetary gear mechanism includes: a first sun gear 28, a first ring gear 15, and a first carrier 29, and a second planetary gear mechanism includes: a second sun gear 31, a second ring gear 12, and a second carrier 41.
As shown in fig. 3 and 4, the first ring gear 15 of the first planetary gear mechanism and the second ring gear 12 of the second planetary gear mechanism are both fixedly connected to an axle housing (e.g., the first axle housing 3), the first sun gear 28 of the first planetary gear mechanism is in power coupling connection with the output shaft 19 of the drive motor 200, the first carrier 29 of the first planetary gear mechanism is in power coupling connection with the second sun gear 31 of the second planetary gear mechanism, and the second carrier 41 of the second planetary gear mechanism is in power coupling connection with the input end of the differential.
Thus, the first ring gear 15 and the second ring gear 12 are fixedly connected to the axle housing, respectively, and power is input to the first sun gear 28 in the first planetary gear mechanism and is transmitted to the second sun gear 31 through the first carrier 29, and power is input from the second sun gear 31 in the second planetary gear mechanism and is output to the differential by the second carrier 41. For a planetary gear mechanism with a fixed gear ring, the rotation directions of the sun gear and the planet carrier are the same, so that the rotation speed is reduced in the process of transmitting power in the speed reducer, but the rotation direction is unchanged, the design of the drive axle 100 is facilitated, the design of other related components is facilitated, and the planetary gear mechanism is simple in structure and convenient to arrange.
In some examples, as shown in fig. 1, the axle housing of the driving axle 100 may include a first axle housing 3 and a second axle housing 5, the motor housing 4 is used for mounting the driving motor 200, the first axle housing 3 and the second axle housing 5 may be respectively mounted on two sides of the motor housing 4, as shown in the figure, in some examples, the speed reducer and the differential may be mounted on the first axle housing 3, and other structures of the driving axle 100 may be mounted on the second axle housing 5, so that the driving motor 200, the speed reducer and the differential may be assembled together, thereby making the structure of the bogie 1000 compact and saving the arrangement space.
In some embodiments, as shown in fig. 3, the first planet carrier 29 has an extending section extending towards the second planetary gear mechanism, the extending section is sleeved outside the first half shaft 23, that is, the extending section is sleeved on the first half shaft 23, and the extending section can rotate relatively to the first half shaft 23, for example, a bearing is arranged between the extending section and the first half shaft 23, the first half shaft 23 is sleeved in the bearing, and the extending section is supported outside the bearing, thereby realizing that the extending section is supported on the first half shaft 23 and the extending section can rotate relatively to the first half shaft 23, the first half shaft 23 and the second sun gear 31 are sleeved outside the extending section and are in dynamic coupling connection with the extending section, and the extending end is arranged to facilitate the dynamic coupling connection between the extending section and the second sun gear 31, thereby making the structure thereof simple and convenient to arrange.
In some examples, the protruding end is connected with the second sun gear 31 through a spline, so that the power coupling connection between the second planet carrier 41 and the second sun gear 31 is realized, the spline connection is convenient to assemble, and the power transmission efficiency is high.
In some embodiments, as shown in fig. 3, the bogie 1000 further comprises: a first bearing 27, a second bearing 26, a third bearing 34 and a fourth bearing 30, wherein a first sun gear 28 of the first planetary gear mechanism is supported on a first planet carrier 29 of the first planetary gear mechanism through the first bearing 27, and the first planet carrier 29 is supported and mounted on a shell of the driving motor 200 through the second bearing 26; the second carrier 41 is fixedly connected to the differential case 10, wherein the differential case 10 is an input end of the differential, the fourth bearing 30 is disposed between the second carrier 41 and the first carrier 29, and the differential case 10 is supported on an axle housing by the third bearing 34.
The first bearing 27, the second bearing 26, the third bearing 34 and the fourth bearing 30 are arranged to facilitate the first planetary gear mechanism, the second planetary gear mechanism and the differential mechanism to be mounted in the axle housing, and can play a role of supporting, so that the mounting effect of each component of the speed reducer is better, and the respective rotation of each component at two ends of the bearing is not hindered, for example, the first deep groove needle bearing realizes that the first sun gear 28 is supported at the first planet carrier 29, and the first sun gear 28 and the first planet carrier 29 can respectively rotate without being hindered.
As shown in fig. 3 and 4, in some embodiments, the axes of the drive motor 200, the speed reducer, the first half shaft 23, the second half shaft 35, and the input end of the differential coincide.
Accordingly, the respective portions of the bogie 1000 can be coaxially arranged, the pivot axes of the respective portions of the bogie 1000 can be aligned, the structure of the bogie 1000 can be made compact, and the dimension of the bogie 1000 in the direction perpendicular to the pivot axes can be reduced.
As shown in fig. 3 and 4, in some embodiments, the driving motor 200, the reducer, and the differential are sequentially spaced along the axis of the transaxle 100, i.e., the lateral direction of the vehicle, and thus the driving motor 200, the reducer, and the differential are sequentially spaced according to the power transmission order of the bogie 1000, so that power transmission between two adjacent components can be facilitated, and thus the power transmission between the components is simple in structure, the power transmission efficiency is enhanced, and the structure of the bogie 1000 is more compact.
In some embodiments, the first axle shaft 23 and the second axle shaft 35 extend along the axis of the drive axle 100, i.e., in the lateral direction of the vehicle, the first axle shaft 23 is close to the driving motor 200, the second axle shaft 35 is far from the driving motor 200, the output shaft 19 is a hollow shaft, and the second sun gear 31 of the second planetary gear mechanism, the first sun gear 28 of the first planetary gear mechanism, and the output shaft 19 are hollow outside the first axle shaft 23.
The length of the first half shaft 23 is greater than the length of the second half shaft 35, and the output shaft 19 of the driving motor 200 is hollow outside the first half shaft 23, so that the differential and the speed reducer are offset on the side of the driving axle 100 close to the second half shaft 35, and the driving motor 200 is offset on the side of the driving axle 100 close to the first half shaft 23, thereby balancing the weight of the two sides of the driving axle 100.
Therefore, in the process that the driving motor 200 finally transmits the power to the traveling wheels 500 through the speed reducer and the differential in sequence, power is transmitted from the drive motor 200 in the direction of the spacing between the drive motor 200 and the differential to the direction close to the differential, when the power is transmitted to the differential, a part of the power is transmitted to the second half shaft 35, and finally drives the running wheels 500 connected with the second half shaft 35 to rotate, another part of the power is transmitted to the first half shaft 23, the first half shaft 23 penetrates through the second sun gear 31, the first sun gear 28 and the output shaft 19 in sequence, and is transmitted to the running wheels 500 in the other direction of the drive axle 100, in the power transmission process, as the first sun gear 28, the second sun gear 31 and the output shaft 19 are sleeved outside the first half shaft 23, therefore, the occupied space of the first half shaft 23 is small, the structure of the bogie 1000 is more compact, and the coaxial arrangement of all parts is convenient.
In some embodiments, the running wheels 500 are rubber wheels, in some examples, the bogie 1000 is guided by horizontal rubber wheels, which enables the grade climbing capability of the steering knuckle to be higher than that of a steel-wheel rail railway vehicle, and the highly integrated drive axle installation mode is beneficial to improving the running performance of the rubber-wheel running rail vehicle 2000.
The operating principle and the power transmission process of the speed reducer and the differential gear of the bogie 1000 for a railway vehicle according to the present invention are described below with reference to fig. 1 to 5:
the first ring gear 15 of the first planetary gear mechanism may be fixedly mounted in the second casing 3 via a cylindrical elastic pin 13 and a first hole circlip 16, and the second ring gear 12 of the second planetary gear mechanism may be fixedly mounted in the second casing 3 via a cylindrical pin and a second hole circlip 14.
The output shaft 19 of the driving motor 200 is splined to the first sun gear 28 of the first planetary gear mechanism, the first sun gear 28 is supported by a first bearing 27 on a first planet carrier 29, the first planet carrier 29 is supported by a second bearing 26 and mounted on the motor housing 4, the first planet gears 25 are connected with the first planet carrier 29 in a power coupling manner by a first planet shaft 24 and meshed with the first ring gear 15 and the first sun gear 28, one end (i.e. a protruding section) of the first planet carrier 29 close to the second sun gear 31 is splined, the first planet carrier 29 is connected with the second sun gear 31 by splines, wherein the differential housing 10 forms an input end of the differential, the second planet gears 32 are connected with the differential housing 10 in a power coupling manner by a second planet shaft 11, the second planet gears 32 are meshed with the second ring gear 12 and the second sun gear 31, a fourth bearing 30 is arranged between the first planet carrier 29 and the second planet carrier 41, the differential case 10 is supported and mounted on the first axle case 5 via a third bearing 34.
When the three-phase line of the driving motor 200 is energized, the output shaft 19 rotates the first sun gear 28 of the first planetary gear mechanism, the first sun gear 28 rotates the first planetary gear 25, the first carrier 29 rotates with the revolution of the first planetary gear 25, the first carrier 29 rotates the second sun gear 31 through spline fitting, the second sun gear 31 rotates the second planetary gear 32, the differential case 10 rotates with the revolution of the second planetary gear 32, the differential case 10 rotates the differential planetary gear 8 through the differential shaft 9, thereby respectively driving the first side gear 33 and the second side gear 7(7, 33) to rotate, the second side gear 7 is connected with the second half shaft 35 through splines, the second transmission shaft rotates, the first half shaft gear 33 rotates the first half shaft 23 through spline connection, the rear half of the first axle shaft 23 and the second axle shaft 35 (i.e., the end remote from the differential) are splined and gimbaled.
In some examples, the first bearing 27, the second bearing 26, the third bearing 34, and the fifth bearing 18 are all deep groove ball bearings, and the fourth bearing 30 is a needle thrust bearing.
As shown in fig. 5, the present invention further provides a rail vehicle 2000, including a bogie 1000 for a rail vehicle according to any of the embodiments of the present invention.
The railway vehicle 2000 has the same advantages as the bogie 1000 for railway vehicles described above over the prior art, and thus, the description thereof is omitted.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (13)
1. A bogie for a railway vehicle, comprising:
the driving axle comprises a driving motor, a speed reducer, a differential mechanism, a first half shaft and a second half shaft, wherein an output shaft of the driving motor is in power coupling connection with an input end of the speed reducer, an output end of the speed reducer is in power coupling connection with an input end of the differential mechanism, and two output ends of the differential mechanism are in power coupling connection with the first half shaft and the second half shaft respectively;
and one of the two running wheels is connected with the first half shaft, and the other running wheel is connected with the second half shaft.
2. The bogie according to claim 1, wherein the speed reducer comprises a first planetary gear mechanism, an input end of the first planetary gear mechanism is in power coupling connection with an output shaft of the driving motor, and an output end of the first planetary gear mechanism is in power coupling connection with an input end of the differential.
3. The bogie for railway vehicles according to claim 2, wherein the speed reducer further comprises a second planetary gear mechanism, an input of the second planetary gear mechanism being in power-coupling connection with an output of the first planetary gear mechanism, an output of the second planetary gear mechanism being in power-coupling connection with an input of the differential.
4. The bogie as claimed in claim 3, wherein the drive axle further comprises an axle housing, the speed reducer and the differential are both mounted in the axle housing, the first ring gear of the first planetary gear mechanism and the second ring gear of the second planetary gear mechanism are both fixedly connected with the axle housing, the first sun gear of the first planetary gear mechanism is in power coupling connection with the output shaft of the drive motor, the first planet carrier of the first planetary gear mechanism is in power coupling connection with the second sun gear of the second planetary gear mechanism, and the second planet carrier of the second planetary gear mechanism is in power coupling connection with the input end of the differential.
5. The bogie according to claim 4, wherein the first planet carrier has an extension section extending towards the second planetary gear mechanism, the extension section being hollow outside the first axle, and the second sun gear being arranged outside the extension section and being in dynamic coupling connection with the extension section.
6. The bogie for railway vehicles according to claim 4, further comprising: first bearing, second bearing, third bearing, first sun gear supports through first bearing on the first planet carrier, first planet carrier is supported through the second bearing and is installed on driving motor's the casing, differential mechanism's casing forms differential mechanism's input, the second planet carrier with differential mechanism's casing fixed connection, differential mechanism's casing passes through the third bearing support in the axle housing.
7. The bogie for railway vehicles of claim 6, further comprising: and the fourth bearing is arranged between the second planet carrier and the first planet carrier.
8. The bogie for railway vehicles according to claim 4, wherein the axes of the drive motor, the speed reducer, the first half shaft, the second half shaft, the input end of the differential coincide.
9. The bogie for railway vehicles according to claim 8, wherein said drive motor, said speed reducer, said differential are arranged in a transverse sequence.
10. The bogie for railway vehicles according to claim 9, wherein the first half shaft and the second half shaft extend in a transverse direction, the first half shaft is close to the driving motor, the second half shaft is far away from the driving motor, an output shaft of the driving motor is a hollow shaft, and the second sun gear, the first sun gear and the first planet gear are freely sleeved outside the first half shaft.
11. The bogie for railway vehicles according to claim 10, wherein the first axle shaft has a length greater than the second axle shaft, and the output shaft of the drive motor is hollow outside the first axle shaft.
12. Bogie for railway vehicles according to any of the claims 1-11, characterized in that the running wheels are rubber wheels.
13. A rail vehicle, characterized in that it comprises a bogie for a rail vehicle according to any one of claims 1-12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921258090.9U CN210971080U (en) | 2019-07-31 | 2019-07-31 | Bogie for railway vehicle and railway vehicle with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921258090.9U CN210971080U (en) | 2019-07-31 | 2019-07-31 | Bogie for railway vehicle and railway vehicle with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210971080U true CN210971080U (en) | 2020-07-10 |
Family
ID=71414521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921258090.9U Active CN210971080U (en) | 2019-07-31 | 2019-07-31 | Bogie for railway vehicle and railway vehicle with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210971080U (en) |
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2019
- 2019-07-31 CN CN201921258090.9U patent/CN210971080U/en active Active
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