CN209921325U - Permanent magnet direct-drive bogie and train with same - Google Patents
Permanent magnet direct-drive bogie and train with same Download PDFInfo
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- CN209921325U CN209921325U CN201920429259.6U CN201920429259U CN209921325U CN 209921325 U CN209921325 U CN 209921325U CN 201920429259 U CN201920429259 U CN 201920429259U CN 209921325 U CN209921325 U CN 209921325U
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- longitudinal arm
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Abstract
The utility model provides a permanent magnetism directly drives bogie and has its train, permanent magnetism directly drives the bogie and includes: the framework comprises a side beam, a cross beam perpendicular to the side beam and end beams arranged at two ends of the side beam; a traction motor; the wheel set is arranged on the framework; the permanent-magnet direct-drive bogie further comprises: the traction motor is flexibly connected with the cross beam through the longitudinal arm; the traction motor is sleeved on an axle connected with the wheel pair and connected with the axle, the traction motor is connected with the end beam, and the end beam is flexibly connected with the side beam. The utility model discloses a permanent magnetism directly drives the bogie has solved the permanent magnetism among the prior art and has directly driven the problem that the bogie can't be applied to the high speed train.
Description
Technical Field
The utility model relates to a train technical field particularly, relates to a permanent magnetism directly drives bogie and has its train.
Background
With the progress of the permanent magnet motor technology, the direct drive application of the railway vehicle is more and more. At present, a permanent magnet direct-drive traction motor adopts a shaft-hung type structure.
However, the axle-hung structure makes the weight of the traction motor be the unsprung mass, which causes the unsprung mass to be too large and cannot adapt to medium and high speed operation.
SUMMERY OF THE UTILITY MODEL
A primary object of the utility model is to provide a permanent magnetism directly drives bogie and has its train to solve the permanent magnetism among the prior art and directly drive the problem that the bogie can't be applied to the high speed train.
In order to achieve the above object, according to an aspect of the present invention, there is provided a permanent magnet direct drive bogie, including: the framework comprises a side beam, a cross beam perpendicular to the side beam and end beams arranged at two ends of the side beam; a traction motor; the wheel set is arranged on the framework; the permanent-magnet direct-drive bogie further comprises: the traction motor is flexibly connected with the cross beam through the longitudinal arm; the traction motor is sleeved on an axle connected with the wheel pair and connected with the axle, the traction motor is connected with the end beam, and the end beam is flexibly connected with the side beam.
Further, the bogie further comprises: and the mounting seat is fixedly arranged on the end beam and used for fixing the traction motor.
Furthermore, the longitudinal arm is vertically arranged relative to the cross beam, one end of the longitudinal arm is fixedly connected with the traction motor, and the other end of the longitudinal arm is flexibly connected with the cross beam.
Furthermore, the cross beam is provided with a cross beam connecting part, the longitudinal arm comprises a longitudinal arm main body and a first connecting part, the first connecting part is connected with one end of the longitudinal arm main body, which is close to the cross beam, and the longitudinal arm is connected with the cross beam through the first connecting part and the cross beam connecting part; wherein the first connecting part is made of a rubber material.
Further, the longitudinal arm comprises a longitudinal arm main body and a second connecting portion connected with the longitudinal arm main body, the second connecting portion is used for being connected with a traction motor, and a reinforcing rib plate is arranged between the second connecting portion and the longitudinal arm main body.
Furthermore, the number of the side beams is two, the two side beams comprise a first side beam and a second side beam, and the first side beam and the second side beam are arranged oppositely; the end beam comprises an end beam main body, a third connecting part and a fourth connecting part, the third connecting part is connected with one end of the end beam main body, and the third connecting part is used for being connected with the first side beam; the fourth connecting part is connected with the other end of the end beam main body and is used for being connected with the second side beam; wherein the third connecting portion and the fourth connecting portion are made of a rubber material.
Further, the bogie further comprises: the connecting mechanism is sleeved on the axle and connected with the axle, and the traction motor is sleeved on the connecting mechanism and connected with the connecting mechanism, so that the axle rotates under the action of the traction motor and the connecting mechanism.
Furthermore, the connecting mechanism is provided with a first end and a second end which are oppositely arranged, the first end of the connecting mechanism is in interference connection with the axle, and the traction motor is in transmission connection with the second end of the connecting mechanism.
Furthermore, a first transmission gear is arranged on the inner wall of the traction motor, a second transmission gear matched with the first transmission gear is arranged on the outer wall of the connecting mechanism, and the first transmission gear is meshed with the second transmission gear so that the connecting mechanism rotates under the action of the traction motor.
According to the utility model discloses an on the other hand provides a train, directly drive the bogie including the permanent magnetism, the permanent magnetism directly drives the bogie and directly drives the bogie for foretell permanent magnetism.
The utility model discloses a traction motor of bogie is directly driven to permanent magnetism adopts the mounting means of hanging up, the traction motor cover is established on the axletree that is connected with the wheel pair and is connected with the axletree, longitudinal arm and crossbeam flexonics are passed through to traction motor's one end, traction motor's the other end is connected with the end beam, and, end beam and curb girder flexonics, thus, the cantilever moment of torsion of motor is no longer born to the crossbeam of framework, traction motor's moment of torsion load acts on crossbeam and end beam with the form of vertical power simultaneously, the atress condition of crossbeam and curb girder junction has been improved. The permanent-magnet direct-drive bogie greatly reduces the unsprung mass of the bogie, reduces the abrasion of wheel rails and can be suitable for medium-high speed operation.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic structural view of a part of the structure of a permanent-magnet direct-drive bogie according to the present invention;
fig. 2 shows a schematic connection diagram of a traction motor and an axle of a permanent magnet direct drive bogie according to the present invention;
FIG. 3 shows a cross-sectional view at A-A of the permanent magnet direct drive bogie in FIG. 1;
fig. 4 shows a cross-sectional view at B-B of the permanent magnet direct drive bogie in fig. 1.
Wherein the figures include the following reference numerals:
10. a frame; 11. a side beam; 12. a cross beam; 121. a beam connection portion; 13. an end beam; 131. an end beam body; 132. a third connecting portion; 20. a traction motor; 30. a wheel set; 40. an axle; 50. a longitudinal arm; 51. a first connection portion; 52. a second connecting portion; 53. a longitudinal arm body; 54. reinforcing rib plates; 60. a mounting seat; 70. and a connecting mechanism.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The utility model provides a permanent magnetism directly drives bogie, please refer to fig. 1 to fig. 4, include: a frame 10, wherein the frame 10 comprises a side beam 11, a cross beam 12 perpendicular to the side beam 11 and end beams 13 arranged at two ends of the side beam 11; a traction motor 20; a wheel pair 30 arranged on the frame 10; the permanent-magnet direct-drive bogie further comprises: the longitudinal arm 50 is used for flexibly connecting the traction motor 20 with the cross beam 12 through the longitudinal arm 50; the traction motor 20 is sleeved on an axle 40 connected with the wheel pair 30 and connected with the axle 40, the traction motor 20 is connected with the end beam 13, and the end beam 13 is flexibly connected with the side beam 11.
The utility model discloses a traction motor 20 of bogie is directly driven to permanent magnetism adopts the mounting means of hanging up the formula, traction motor 20 cover is established on the axletree 40 that is connected with wheel pair 30 and is connected with axletree 40, longitudinal arm 50 and crossbeam 12 flexonics are passed through to traction motor 20's one end, traction motor 20's the other end is connected with end beam 13, and, end beam 13 and 11 flexonics of curb girder, thus, the cantilever moment of torsion of motor is no longer born to the crossbeam 12 of framework, traction motor 20's moment of torsion load acts on crossbeam 12 and end beam 13 with the form of vertical power simultaneously, the atress condition of crossbeam 12 and 11 junctions of curb girder has been improved. The permanent-magnet direct-drive bogie greatly reduces the unsprung mass of the bogie, reduces the abrasion of wheel rails and can be suitable for medium-high speed operation.
Wherein, the traction motor 20 is a permanent magnet direct drive traction motor.
In order to realize the fixed connection between the traction motor 20 and the end beam 13, as shown in fig. 1, the bogie further includes a mounting seat 60, the mounting seat 60 is fixedly disposed on the end beam 13, and the mounting seat 60 is used for fixing the traction motor 20.
Preferably, the traction motor 20 is rigidly connected to the mounting base 60 by high strength bolts.
In the present embodiment, the longitudinal arm 50 is disposed perpendicularly to the cross beam 12, one end of the longitudinal arm 50 is fixedly connected to the traction motor 20, and the other end of the longitudinal arm 50 is flexibly connected to the cross beam 12.
In the present embodiment, the beam 12 is provided with a beam connecting portion 121, the longitudinal arm 50 includes a longitudinal arm main body 53 and a first connecting portion 51, the first connecting portion 51 is connected to one end of the longitudinal arm main body 53 close to the beam 12, and the longitudinal arm 50 is connected to the beam 12 through the first connecting portion 51 and the beam connecting portion 121; wherein the first connection portion 51 is made of a rubber material. Such an arrangement enables a flexible connection of the longitudinal arms 50 to the transverse beam 12.
Preferably, the first connection portion 51 is a rubber node.
Preferably, the longitudinal arm main body 53 is made of an aluminum alloy material, and this arrangement reduces the weight of the longitudinal arm 50 on the basis of satisfying the connection strength of the longitudinal arm 50.
In the present embodiment, the longitudinal arm 50 includes a longitudinal arm main body 53 and a second connecting portion 52 connected to the longitudinal arm main body 53, the second connecting portion 52 is used for connecting with the traction motor 20, and a reinforcing rib plate 54 is provided between the second connecting portion 52 and the longitudinal arm main body 53. Such an arrangement improves the strength of the connection of the longitudinal arms 50.
In particular, the second connecting portion 52 is connected to the traction motor 20 by a bolt.
In the present embodiment, the number of the side members 11 is two, and the two side members 11 include a first side member and a second side member, and the first side member and the second side member are disposed opposite to each other; the end beam 13 includes an end beam main body 131, a third connecting portion 132 and a fourth connecting portion, the third connecting portion 132 is connected to one end of the end beam main body 131, and the third connecting portion 132 is used for connecting to the first side beam; the fourth connecting portion is connected to the other end of the end beam main body 131, and the fourth connecting portion is used for being connected to the second side beam; wherein the third connecting portion 132 and the fourth connecting portion are made of a rubber material. This arrangement enables a flexible connection of the side beams 11 to the end beams 13.
The third connecting portion 132 and the fourth connecting portion have the same structure.
In this embodiment, as shown in fig. 2, the bogie further includes a connecting mechanism 70, the connecting mechanism 70 is sleeved on the axle 40 and connected with the axle 40, and the traction motor 20 is sleeved on the connecting mechanism 70 and connected with the connecting mechanism 70, so that the axle 40 rotates under the action of the traction motor 20 and the connecting mechanism 70. This arrangement allows the torque of the traction motor 20 to be directly transmitted to the axle 40 through the coupling mechanism 70, thereby driving the vehicle forward. Moreover, the connecting mechanism 70 can also realize axial and radial displacement compensation.
Wherein the connecting mechanism 70 is a six-bar linkage with hollow shaft.
In specific implementation, the connecting mechanism 70 has a first end and a second end which are oppositely arranged, the first end of the connecting mechanism 70 is in interference connection with the axle 40, and the traction motor 20 is in transmission connection with the second end of the connecting mechanism 70.
During specific implementation, a first transmission gear is disposed on an inner wall of the traction motor 20, and a second transmission gear matched with the first transmission gear is disposed on an outer wall of the connection mechanism 70, and the first transmission gear is engaged with the second transmission gear, so that the connection mechanism 70 rotates under the action of the traction motor 20. Such an arrangement transfers the torque of the traction motor 20 through the gear teeth to drive the vehicle forward.
In this embodiment, the traction motor 20 is suspended at three points, one end of which is elastically suspended on the cross beam 12 by a specially designed longitudinal arm 50, and the other end of which is rigidly connected to the end beam 13 by a high-strength bolt. The end beam 13 is connected elastically to the side beam 11 of the frame. The cross beam 12 of the framework is not subjected to the cantilever torque of the traction motor 20 any more, the torque load of the traction motor 20 acts on the cross beam 12 and the end beam 13 simultaneously in the form of vertical force, and the stress condition at the joint of the cross beam 12 and the side beam 11 is improved.
In this embodiment, the traction motor 20 is suspended at three points and flexibly connected, the weight of the traction motor 20 is the sprung mass, and the weight of the axle-hung permanent magnet direct-drive traction motor is the unsprung mass.
The utility model has the advantages that:
1. compared with a shaft-hung permanent magnet direct-drive traction motor, the traction motor 20 adopts a suspension type, so that the unsprung mass of the bogie is greatly reduced, and the abrasion of a wheel rail is reduced.
2. Compared with the shaft-hung permanent magnet direct-drive traction motor which can only adapt to low-speed operation, the traction motor 20 adapts to medium-high-speed operation (the speed is more than 140 km/h).
3. The traction motor 20 is suspended at three points flexibly, one end of the traction motor is suspended on the beam 12 elastically through a specially designed longitudinal arm 50, and the other end of the traction motor is rigidly connected to the end beam 13 through a high-strength bolt. The end beam 13 is connected elastically to the side beam 11 of the frame. The cross beam 12 of the framework is not subjected to the cantilever torque of the traction motor 20 any more, the torque load of the traction motor 20 acts on the cross beam 12 and the end beam 13 simultaneously in the form of vertical force, and the stress condition at the joint of the cross beam 12 and the side beam 11 is improved.
The utility model also provides a train, directly drive the bogie including the permanent magnetism, wherein, the permanent magnetism directly drives the bogie and directly drives the bogie for the permanent magnetism in the above-mentioned embodiment.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:
the utility model discloses a traction motor 20 of bogie is directly driven to permanent magnetism adopts the mounting means of hanging up the formula, traction motor 20 cover is established on the axletree 40 that is connected with wheel pair 30 and is connected with axletree 40, longitudinal arm 50 and crossbeam 12 flexonics are passed through to traction motor 20's one end, traction motor 20's the other end is connected with end beam 13, and, end beam 13 and 11 flexonics of curb girder, thus, the cantilever moment of torsion of motor is no longer born to the crossbeam 12 of framework, traction motor 20's moment of torsion load acts on crossbeam 12 and end beam 13 with the form of vertical power simultaneously, the atress condition of crossbeam 12 and 11 junctions of curb girder has been improved. The permanent-magnet direct-drive bogie greatly reduces the unsprung mass of the bogie, reduces the abrasion of wheel rails and can be suitable for medium-high speed operation.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A permanent magnet direct drive bogie, comprising:
the frame (10) comprises a side beam (11), a cross beam (12) perpendicular to the side beam (11) and end beams (13) arranged at two ends of the side beam (11);
a traction motor (20);
a wheel pair (30) arranged on the frame (10);
the permanent magnet direct-drive bogie is characterized by further comprising:
a longitudinal arm (50), through which the traction motor (20) is flexibly connected to the cross beam (12);
the traction motor (20) is sleeved on an axle (40) connected with the wheel pair (30) and connected with the axle (40), the traction motor (20) is connected with the end beam (13), and the end beam (13) is flexibly connected with the side beam (11).
2. The permanent magnet direct drive bogie of claim 1, further comprising:
and the mounting seat (60) is fixedly arranged on the end beam (13), and the mounting seat (60) is used for fixing the traction motor (20).
3. The permanent magnet direct drive bogie according to claim 1, characterized in that the longitudinal arm (50) is arranged perpendicularly with respect to the transverse beam (12), one end of the longitudinal arm (50) is fixedly connected with the traction motor (20), and the other end of the longitudinal arm (50) is flexibly connected with the transverse beam (12).
4. The permanent magnet direct drive bogie according to claim 3, characterized in that a beam connecting part (121) is arranged on the beam (12), the longitudinal arm (50) comprises a longitudinal arm main body (53) and a first connecting part (51), the first connecting part (51) is connected with one end of the longitudinal arm main body (53) close to the beam (12), and the longitudinal arm (50) is connected with the beam (12) through the first connecting part (51) and the beam connecting part (121); wherein the first connecting portion (51) is made of a rubber material.
5. The permanent magnet direct drive bogie according to claim 3, characterized in that the longitudinal arm (50) comprises a longitudinal arm main body (53) and a second connecting portion (52) connected with the longitudinal arm main body (53), the second connecting portion (52) is used for being connected with the traction motor (20), and a reinforcing rib plate (54) is arranged between the second connecting portion (52) and the longitudinal arm main body (53).
6. The permanent magnet direct drive bogie according to claim 1, characterized in that the number of the side beams (11) is two, and the two side beams (11) comprise a first side beam and a second side beam, and the first side beam is arranged opposite to the second side beam; the end beam (13) comprises an end beam main body (131), a third connecting part (132) and a fourth connecting part, the third connecting part (132) is connected with one end of the end beam main body (131), and the third connecting part (132) is used for being connected with the first side beam; the fourth connecting part is connected with the other end of the end beam main body (131), and the fourth connecting part is used for being connected with the second side beam;
wherein the third connecting portion (132) and the fourth connecting portion are made of a rubber material.
7. The permanent magnet direct drive bogie of claim 1, further comprising:
coupling mechanism (70), coupling mechanism (70) cover is established on axletree (40) and with axletree (40) are connected, traction motor (20) cover is established coupling mechanism (70) are gone up and with coupling mechanism (70) are connected, so that axletree (40) are in traction motor (20) with rotate under coupling mechanism (70)'s the effect.
8. The permanent magnet direct drive bogie according to claim 7, characterized in that the connecting mechanism (70) has a first end and a second end which are oppositely arranged, the first end of the connecting mechanism (70) is in interference connection with the axle (40), and the traction motor (20) is in transmission connection with the second end of the connecting mechanism (70).
9. The permanent magnet direct drive bogie according to claim 8, characterized in that the inner wall of the traction motor (20) is provided with first transmission teeth, the outer wall of the connecting mechanism (70) is provided with second transmission teeth matched with the first transmission teeth, and the first transmission teeth are meshed with the second transmission teeth, so that the connecting mechanism (70) rotates under the action of the traction motor (20).
10. A train comprising a permanent magnet direct drive bogie, characterized in that the permanent magnet direct drive bogie is as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920429259.6U CN209921325U (en) | 2019-03-29 | 2019-03-29 | Permanent magnet direct-drive bogie and train with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920429259.6U CN209921325U (en) | 2019-03-29 | 2019-03-29 | Permanent magnet direct-drive bogie and train with same |
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| Publication Number | Publication Date |
|---|---|
| CN209921325U true CN209921325U (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920429259.6U Active CN209921325U (en) | 2019-03-29 | 2019-03-29 | Permanent magnet direct-drive bogie and train with same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114572266A (en) * | 2021-10-31 | 2022-06-03 | 中车南京浦镇车辆有限公司 | Suspension type permanent magnet direct-drive bogie |
-
2019
- 2019-03-29 CN CN201920429259.6U patent/CN209921325U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114572266A (en) * | 2021-10-31 | 2022-06-03 | 中车南京浦镇车辆有限公司 | Suspension type permanent magnet direct-drive bogie |
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