CN218021594U - Driving device of bogie and bogie - Google Patents

Abstract

The application discloses drive arrangement and bogie of bogie, drive arrangement includes traction motor and gear box, traction motor with the gear box is arranged along the transversely of bogie in proper order, traction motor is close to one side of gear box is equipped with the cable suspension portion, the cable suspension portion is in traction motor is close to one side of gear box forms the accommodation space, some of the box of gear box is located in the accommodation space and hang in cable suspension portion. An elastic piece is arranged between the box body of the gear box and the hanging part, and the box body of the gear box and the hanging part are elastically connected through the elastic piece. By adopting the driving device, the bogie with narrow spacing between the side beams of the framework or the bogie with built-in axle boxes can be arranged to be provided with a higher-power traction motor, thereby meeting the high-speed requirement of vehicles.

Description

Driving device of bogie and bogie

Technical Field

The application relates to the technical field of bogies of railway vehicles, in particular to a driving device of a bogie and the bogie adopting the driving device.

Background

At present, the installation space reserved for a driving device by a bogie with a small side beam distance and a bogie with a built-in axle box is small, and in order to meet the requirement of vehicle speed acceleration, a driving device with higher power needs to be configured, and the installation space required by the driving device with higher power is larger. Therefore, the application of the bogie with small side beam spacing and the bogie with built-in axle box to high-speed railway vehicles with speed per hour of more than 200km/h is limited to a certain extent.

In view of the above, it is a technical problem to be solved by those skilled in the art how to arrange a bogie with a small side frame pitch and a bogie with a built-in axle box to provide a high-power driving device to meet the high-speed requirement of a vehicle.

SUMMERY OF THE UTILITY MODEL

For solving above-mentioned technical problem, this application provides the drive arrangement of bogie, drive arrangement includes traction motor and gear box, traction motor with the gear box is arranged along the transversely of bogie in proper order, traction motor is close to one side of gear box is equipped with the cable suspension portion, the cable suspension portion is in traction motor is close to one side of gear box forms the accommodation space, some of the box of gear box is located in the accommodation space and hang in the cable suspension portion.

In one embodiment of the driving apparatus for a bogie, the driving apparatus further includes a coupling disposed in a lateral direction of the bogie, the coupling connecting an input shaft of the gear box and an output shaft of the traction motor, an elastic member is provided between a housing of the gear box and the hanging portion, and the housing of the gear box and the hanging portion are elastically connected by the elastic member.

In one embodiment of the driving apparatus for a bogie, the coupling is provided with a coupling hole, two ends of the coupling hole are tapered hole sections, the input shaft of the gear box and the output shaft of the traction motor both include tapered shaft sections, and the tapered hole sections at the two ends of the coupling hole are respectively press-fitted with the tapered shaft section of the input shaft of the gear box and the tapered shaft section of the output shaft of the traction motor in an interference manner.

In one embodiment of the driving apparatus for a bogie, the hanging portion includes an upper mounting arm and a lower mounting arm, the upper mounting arm and the lower mounting arm form the accommodating space therebetween, and the elastic member is disposed between the upper side of the gear box and the upper mounting arm and between the lower side of the gear box and the lower mounting arm.

In one embodiment of the driving apparatus for a bogie, the elastic member is disposed in a vertical direction of the bogie, and upper and lower ends of the elastic member are connected to the housing of the gear housing or the upper or lower mounting arm by means of threaded fasteners.

In one embodiment of the driving apparatus for a bogie, the elastic member includes an upper mounting seat, a lower mounting seat and an elastic element disposed therebetween, and the upper mounting seat and the lower mounting seat are provided with a connecting hole for penetrating the threaded fastener.

In one embodiment of the driving device of the bogie, the elastic element is a rubber element, and the upper mounting seat and the lower mounting seat are vulcanized into an integral structure with the rubber element.

In one embodiment of the driving device of the bogie, the hanger is integrally formed with a housing of the traction motor.

In one embodiment of the driving device of the bogie, a motor seat is arranged on one side of the traction motor adjacent to the hanging part, and the motor seat is used for being connected with a cross beam of a bogie frame.

The bogie comprises a driving device, and the driving device adopts any one of the driving devices.

This application, arrange the gear box in traction motor's one side, and one side that is close to the gear box at traction motor sets up the cable suspension part, let some of the box of gear box be located the accommodation space of cable suspension part and hang in this cable suspension part, just so can cancel the gear box hanging seat on the framework, practice thrift the space between some framework curb girders, the space of practicing thrift can compensate and give traction motor, make the bogie of the narrower bogie of framework curb girder interval or the built-in bogie of axle box also can arrange the traction motor who opens higher power, thereby can satisfy the high-speed requirement of vehicle.

Further, this application can set up the elastic component between the box of gear box and traction motor's portion of hanging, set up like this, gear box and traction motor except can utilizing the shaft coupling to produce relative displacement, can also utilize the elastic deformation of elastic component to produce relative displacement, consequently can alleviate the demand of shifting to the shaft coupling, consequently can set up the transverse length of shaft coupling short a little, can vacate more spatial arrangement traction motor to can arrange and open more powerful traction motor.

Drawings

FIG. 1 is a partial perspective view of one embodiment of a truck provided herein;

fig. 2 is a perspective view showing a state where the traction motor and the gear box are connected by a coupling, and fig. 2 is a view showing a hanging portion of the traction motor hidden.

FIG. 3 is a perspective view of the assembled state of the traction motor, coupling and elastic member;

the reference numerals are explained below:

100 traction motors, 101 hanging parts, 101a upper mounting arm, 101b lower mounting arm, 101c accommodating space and 102 motor seat parts;

200 a gearbox;

300 couplings, 301 coupling holes;

400 elastic member, 401 upper mounting seat, 402 lower mounting seat, 403 elastic element;

500 a threaded fastener;

600 cross beams;

side beam 700.

Detailed Description

In order to enable a person skilled in the art to better understand the technical scheme of the present application, the following detailed description is provided with reference to the accompanying drawings and the detailed description.

As shown in fig. 1 to 3, the present application provides a driving apparatus of a bogie that includes a traction motor 100 and a gearbox 200, and the traction motor 100 and the gearbox 200 are sequentially arranged in a transverse direction of the bogie. A hanger 101 is provided on the traction motor 100 on the side closer to the gear box 200. The hanger 101 forms an accommodation space 101c on the side of the traction motor 100 close to the gear box 200. A part of the case of the gear case 200 is positioned in the housing space 101c of the hanger 101 and hung from the hanger 101.

In the prior art, in order to install the gearbox, a gearbox hanging seat is arranged on a frame of a bogie, the gearbox is hung on the gearbox hanging seat, and the gearbox hanging seat occupies a large part of the space between side beams of the frame.

In addition, in the prior art, the traction motor and the gear box are sequentially and independently assembled on the bogie frame, and after the former part is assembled, the operation space of the assembled part is reserved besides the volume space of the latter part, but in the application, the traction motor 100 and the gear box 200 can be assembled together firstly, and then the traction motor 100 and the gear box 200 are integrally assembled on the bogie frame in one step, so that extra operation space is not required to be reserved, the assembled bogie is more compact, and the space between the side beams 700 of the frame is more fully utilized.

Specifically, the hanging part 101 and the housing of the traction motor 100 may be integrally formed, specifically, integrally cast, so that the hanging reliability is higher. Of course, the hanger 101 is not limited to be integrally formed, and may be welded to the housing of the traction motor 100 or fastened to the housing of the traction motor 100 by a fastener, for example.

Specifically, the motor mount 102 may be disposed on a side of the traction motor 100 adjacent to the hanger 101, and after assembly, the motor mount 102 may be coupled to the cross member 600 of the bogie frame, thereby connecting the traction motor 100 to the frame. In the illustrated embodiment, the motor mount 102 is fittingly engaged with the top and side vertical surfaces of the frame cross member 600 and bolted to the top surface of the cross member 600, so that during assembly, the bolts can be assembled from above the frame, facilitating operation.

As shown in fig. 2, the driving apparatus further includes a coupling 300, the coupling 300 being disposed in a lateral direction of the bogie. The coupling 300 connects the input shaft of the gear box 200 and the output shaft of the traction motor 100. The coupling 300 provides torque transfer and also provides relative displacement of the gearbox 200 and traction motor 100 to accommodate relative displacement of the frame and wheel pair.

The coupling 300 may be press-fitted with the input shaft of the gear box 200 and the output shaft of the traction motor 100 in interference to secure torque transmission reliability. Specifically, as shown in fig. 3, the coupling 300 may be provided with a coupling hole 301, two ends of the coupling hole 301 are taper hole sections, the input shaft of the gear box 200 and the output shaft of the traction motor 100 both include taper shaft sections, and the taper hole sections at the two ends of the coupling hole 301 are respectively press-fitted with the taper shaft sections of the input shaft of the gear box 200 and the output shaft of the traction motor 100 in an interference manner. The tapered hole section and the tapered shaft section are adopted for interference press mounting, and the reliability is higher.

Furthermore, an elastic member 400 may be disposed between the case of the gear case 200 and the hanger 101 of the traction motor 100, and the case of the gear case 200 and the hanger 101 of the traction motor 100 are elastically connected by the elastic member 400. With this arrangement, the gear box 200 and the traction motor 100 can generate relative displacement by the elastic deformation of the elastic member 400 in addition to the relative displacement by the coupling 300, and thus the need for displacement of the coupling 300 can be alleviated.

In general, in order to make the coupling 300 meet a target displacement requirement, the lateral length of the coupling 300 needs to be set longer, but in the present invention, the elastic member 400 is provided, so that the displacement requirement of the coupling 300 is reduced, and therefore, the lateral length of the coupling 300 can be set shorter, and thus, more space can be made available for arranging the traction motor 100, and a traction motor 100 with higher power can be arranged.

As shown in fig. 3, in this embodiment, the hanging part 101 includes an upper mounting arm 101a and a lower mounting arm 101b, the accommodating space 101c is formed between the upper mounting arm 101a and the lower mounting arm 101b, and the elastic members 400 are disposed between the upper side of the gear box 200 and the upper mounting arm 101a and between the lower side of the gear box 200 and the lower mounting arm 101 b.

Specifically, the resilient members 400 can be disposed along the vertical direction of the truck, thereby maximizing the deflection requirements of the joint 300. The upper and lower ends of the vertically arranged elastic member 400 are connected with the housing of the gear housing 200 or the upper mounting arm 101a or the lower mounting arm 101b by the threaded fasteners 500, which facilitates the disassembly and replacement of the elastic member 400.

In the illustrated embodiment, the elastic member 400 includes an upper mounting seat 401, a lower mounting seat 402 and an elastic element 403 disposed therebetween, and the upper mounting seat 401 and the lower mounting seat 402 are provided with a connection hole for passing the threaded fastener 500. The upper mount 401 and the lower mount 402 support the elastic member 403 as a support body and give the threaded fastener 500 to connect the foundation.

Specifically, the elastic element 403 may be a rubber element, but is not limited to a rubber element, and may also be a steel coil spring, for example. In contrast, the stiffness of the rubber element is easier to control. When the elastic member 403 is a rubber member, the upper mount 401 and the lower mount 402 may be vulcanized as an integral structure with the rubber member.

The foregoing has been a description of the principles and implementations of the present application using specific examples, which are provided solely to aid in understanding the methods and their core concepts of the present application. It should be noted that, for those skilled in the art, without departing from the principle of the present application, the present application can also make several improvements and modifications, and those improvements and modifications also fall into the protection scope of the claims of the present application.

Claims (10)

1. The driving device of the bogie is characterized by comprising a traction motor (100) and a gear box (200), wherein the traction motor (100) and the gear box (200) are sequentially arranged along the transverse direction of the bogie, one side, close to the gear box (200), of the traction motor (100) is provided with a hanging part (101), one side, close to the gear box (200), of the traction motor (100) forms an accommodating space (101 c), and one part of a box body of the gear box (200) is located in the accommodating space (101 c) and hung on the hanging part (101).

2. The driving apparatus of a bogie according to claim 1, further comprising a coupling (300), wherein the coupling (300) is arranged in the transverse direction of the bogie, the coupling (300) connects an input shaft of the gear box (200) and an output shaft of the traction motor (100), an elastic member (400) is provided between a box body of the gear box (200) and the hanging portion (101), and the box body of the gear box (200) and the hanging portion (101) are elastically connected through the elastic member (400).

3. The driving apparatus of a bogie as recited in claim 2, wherein said coupling (300) is provided with a coupling hole (301), both ends of said coupling hole (301) are tapered hole sections, the input shaft of said gearbox (200) and the output shaft of said traction motor (100) each comprise a tapered shaft section, and the tapered hole sections at both ends of said coupling hole (301) are interference press-fitted with the tapered shaft sections of the input shaft of said gearbox (200) and the tapered shaft section of the output shaft of said traction motor (100), respectively.

4. The driving apparatus of a bogie according to claim 2, wherein the hanger (101) comprises an upper mounting arm (101 a) and a lower mounting arm (101 b), the upper mounting arm (101 a) and the lower mounting arm (101 b) form the receiving space (101 c) therebetween, and the elastic member (400) is provided between the upper side of the box body of the gear box (200) and the upper mounting arm (101 a) and between the lower side of the box body of the gear box (200) and the lower mounting arm (101 b).

5. The driving apparatus of a bogie according to claim 4, wherein the elastic member (400) is disposed in a vertical direction of the bogie, and upper and lower ends of the elastic member (400) are connected to a housing of the gear box (200) or the upper mounting arm (101 a) or the lower mounting arm (101 b) by means of threaded fasteners (500).

6. The driving device of a bogie according to claim 5, wherein the elastic member (400) comprises an upper mounting seat (401), a lower mounting seat (402) and an elastic element (403) arranged therebetween, the upper mounting seat (401) and the lower mounting seat (402) being provided with a connecting hole for passing the threaded fastener (500).

7. The drive arrangement of a bogie as claimed in claim 6 wherein the resilient element (403) is a rubber element and the upper mount (401) and lower mount (402) are vulcanised as a unitary structure with the rubber element.

8. The drive device of a bogie according to claim 1 wherein the hanger (101) is integrally formed with the housing of the traction motor (100).

9. The drive device of a bogie according to any one of claims 1 to 8 wherein the traction motor (100) is provided with a motor mount (102) on the side adjacent to the hanger (101), the motor mount (102) being adapted to be connected to a cross member (600) of the bogie frame.

10. A bogie comprising a drive arrangement, characterized in that the drive arrangement employs a drive arrangement according to any one of claims 1-9.

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