CN210852443U

CN210852443U - Powered railway vehicle bogie and railway vehicle

Info

Publication number: CN210852443U
Application number: CN201921535475.5U
Authority: CN
Inventors: 李宝瑞; 曲兆菲; 翟鹏军; 杨文朋; 卞学谦
Original assignee: CRRC Shandong Co Ltd
Current assignee: CRRC Shandong Co Ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-06-26
Anticipated expiration: 2029-09-12

Abstract

The utility model discloses a powered railway vehicle bogie and a railway vehicle, which solve the problems of high abrasion and large running resistance of rubber running wheels in the prior art, and have the effects of realizing self-steering of the vehicle, reducing abrasion of wheel tracks and reducing cost; the technical scheme is as follows: the device comprises two wheel shafts, wherein the wheel shafts are powered by a traction motor; the two wheel shaft assemblies are connected through a framework assembly, a radial mechanism which is rotatably connected with the wheel shaft assemblies is arranged below the framework assembly, and the radial mechanism can enable the two wheel shaft assemblies to be splayed when a curve is passed; the center of the framework assembly is provided with a center pin assembly, the lower part of the center pin assembly is connected with a suspension device, and the suspension device and the center pin assembly can swing transversely; the wheel shaft assembly comprises two steel wheels which are connected together, and the inner sides of the steel wheels are provided with rims capable of realizing self-guiding.

Description

Powered railway vehicle bogie and railway vehicle

Technical Field

The utility model relates to a railway transportation technical field especially relates to a power railway vehicle bogie and railway vehicle.

Background

The bogie is an independent running structure formed by connecting two or more pairs of wheel pairs on a vehicle by using frames and other devices and can rotate relative to a vehicle body. The inventor finds that at present, most empty rail vehicle bogies adopt rubber running wheels, the abrasion of tires is high, the service life is short, meanwhile, the abrasion brings a large amount of dust, and the running resistance of the vehicle is large. In order to facilitate the curve passing, the bogie is also provided with guide wheels, and when the bogie is normally operated, the guide wheels are always in contact with guide rails of the track beam, so that the requirement on the track beam structure is high, and the manufacturing cost is increased.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model has the first purpose of providing a powered railway vehicle bogie, which adopts steel wheels with rims on the inner sides, improves the load and can realize self-steering of the vehicle; the inner side suspension type bogie is adopted, so that the transverse size of the whole structure of the bogie can be reduced, and the cost is reduced; and the radial bogie is adopted, so that the curve passing performance is better, and the abrasion of the wheel track is reduced.

The second objective of the present invention is to provide a railway vehicle for suspended air rail transportation, which can be used for piggyback container transportation when replacing the second interface of the bogie.

The utility model adopts the following technical proposal:

a powered railway vehicle bogie comprises two wheel shafts, wherein the wheel shafts are powered by a traction motor; the two wheel shaft assemblies are connected through a framework assembly, a radial mechanism which is rotatably connected with the wheel shaft assemblies is arranged below the framework assembly, and the radial mechanism can enable the two wheel shaft assemblies to be splayed when a curve is passed;

the center of the framework assembly is provided with a center pin assembly, the lower part of the center pin assembly is connected with a suspension device, and the suspension device and the center pin assembly can swing transversely;

the wheel shaft assembly comprises two steel wheels which are connected together, and the inner sides of the steel wheels are provided with rims capable of realizing self-guiding.

Furthermore, a sleeper beam assembly is arranged above the center pin assembly, a secondary suspension is arranged between the sleeper beam assembly and the framework assembly, and transverse pull rods are arranged on two sides of the sleeper beam assembly.

Furthermore, the radial mechanism comprises two radial rods which are arranged in a cross shape, and the middle parts of the two radial rods are not connected; the end part of the radial rod is flexibly connected with the wheel shaft.

Furthermore, the framework assembly comprises a cross beam and two side beams, and the cross beam and the two side beams form an H-shaped structure;

and transverse elastic stoppers are transversely and symmetrically arranged in the cross beam, and longitudinal traction seats are longitudinally and symmetrically arranged in the cross beam.

Furthermore, the middle part of the central pin assembly is respectively and symmetrically provided with a transverse stopping seat and a longitudinal traction seat, and when a vehicle is subjected to transverse force, the transverse stopping seat is contacted with a transverse elastic stopping seat to realize transverse force transmission;

the longitudinal traction seats formed by the central pin assembly and the framework are in small clearance fit.

Furthermore, the traction motors are symmetrically arranged along the longitudinal direction and are connected with the wheel axle assembly through the gear box.

A railway vehicle comprises a vehicle body assembly and the bogie, wherein the bogie is arranged above the vehicle body assembly through a suspension device; a transverse shock absorber is arranged between the vehicle body assembly and the suspension device.

Furthermore, a plurality of transverse elastic stops are arranged above the vehicle body assembly.

A powered railway vehicle bogie comprises two wheel shafts, wherein the wheel shafts are powered by a traction motor; the two wheel shaft assemblies are connected through a framework assembly, and a radial mechanism rotationally connected with the wheel shaft assemblies is arranged below the framework assembly;

a center pin core disc assembly is arranged in the center of the framework assembly, and double-acting elastic side bearings are arranged on two sides of the center pin core disc assembly;

A railway vehicle comprises a vehicle body assembly and a plurality of bogies, wherein the bogies are arranged below the vehicle body assembly.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model adopts the steel wheel with the wheel flange at the inner side, which can realize the self-guiding of the vehicle and improve the load; the inner side suspension system is adopted, the structure of the bogie is compact, the smaller overall width size of the bogie can be realized, and the manufacturing cost is reduced; the two-system suspension is adopted, so that the dynamic performance is better; by adopting the radial mechanism, the linear running stability and the excellent curve passing performance can be better realized, the running speed of the vehicle is improved, the abrasion of the wheel track is reduced, and the operation cost is reduced;

(2) the bogie of the utility model is provided with a traction motor, a gear box and other devices, so that the vehicle can run independently and can be marshalled in rows; by switching the secondary interface of the bogie, the vehicle can realize two modes of suspension type transportation and piggyback transportation.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

Fig. 1 is an isometric view of a first embodiment of the present invention;

fig. 2 is a cross-sectional view of a first embodiment of the present invention;

fig. 3 is a schematic structural view of a radial mechanism according to a first embodiment of the present invention;

fig. 4 is a schematic view of a structural structure of a framework according to a first embodiment of the present invention;

fig. 5 is a schematic view of a connection structure of a suspension device and a vehicle body according to a second embodiment of the present invention;

fig. 6 is an isometric view of a second embodiment of the present invention;

fig. 7 is an isometric view of a third embodiment of the present invention;

fig. 8 is an isometric view of a fourth embodiment of the present invention;

the system comprises a wheel shaft assembly 1, a framework assembly 2, a side beam assembly 2a, a cross beam assembly 2b, a transverse pull rod mounting seat 2c, a longitudinal traction seat 2d, a transverse elastic stop 2e of the framework, a primary suspension 3, a radial mechanism 4, a sleeper beam assembly 5, a secondary suspension 6, a central pin assembly 7, a transverse pull rod 8, a suspension device 9, a suspension mechanism 91, a shock absorber mounting seat 92, a gear box 10, a traction motor 11, a double-acting elastic side bearing 12, a central pin core disc assembly 13, a container 14, a shock absorber mounting support 15, a transverse shock absorber 16 and a transverse elastic stop 17 of a vehicle body.

Detailed Description

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/or "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;

for convenience of description, the words "up", "down", "left" and "right" when appearing in this application are intended only to designate directions that are consistent with the up, down, left and right directions of the drawings themselves, and not to limit the structure, but merely to facilitate description of the invention and to simplify description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the application.

The terms "mounted", "connected", "fixed", and the like in the present application should be understood broadly, and for example, the terms "mounted", "connected", and "fixed" may be fixedly connected, detachably connected, or integrated; the two components can be connected mechanically or electrically, directly or indirectly through an intermediate medium, or connected internally or in an interaction relationship, and specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The transverse pull rod mounting seat, the shock absorber mounting seat, the framework transverse elastic stop, the vehicle body transverse elastic stop and the like are parts named by functions and are not limited to specific structures.

As the introduction of background art, the rubber walking wheel that exists among the prior art wearing and tearing height, running resistance are big not enough, in order to solve above-mentioned technical problem, the utility model provides a power railway vehicle bogie and railway vehicle.

The first embodiment is as follows:

the present invention will be described in detail with reference to the accompanying drawings 1-4, and specifically, the structure is as follows:

the embodiment provides a powered railway vehicle bogie which is used for suspended air rail transportation and comprises a framework component 2, a sleeper beam component 5, a suspension device 9, a primary suspension 3, a secondary suspension 6, a center pin component 7, a radial mechanism 4 and two wheel shaft components 1, wherein the two wheel shaft components 1 are connected through the framework component 2, and the center pin component 7 is arranged at the center of the framework component 2; the center pin assembly 7 of the sleeper beam assembly 5 is connected and positioned above the framework assembly 2, and a secondary suspension 6 is arranged between the sleeper beam assembly 5 and the framework assembly 2; the suspension device 9 is rotationally connected below the central pin assembly 7, and the suspension device 9 and the central pin assembly 7 can transversely swing; the two wheel axle assemblies 1 are connected with a radial mechanism 4.

Further, the wheel shaft assembly 1 comprises two steel wheels which are connected through a shaft; the inner side of the steel wheel is provided with a wheel rim, so that the self-guiding of the vehicle on the steel rail can be realized. One side of the shaft close to the rim of the steel wheel is provided with a primary suspension 3, namely each wheel shaft assembly 1 is provided with two primary suspensions 3. The side of the primary suspension 3 is fixed with a radial mechanism mounting seat which is connected with a radial mechanism 4. The primary suspension 3 is arranged on the inner side of the wheel shaft assembly 1, so that the structure of the bogie is more compact, and the whole weight of the bogie is smaller; the brake device mainly comprises a bearing, a shaft box body and a series of rubber piles, wherein the side face of the shaft box body is provided with a radial mechanism mounting seat, and the series of rubber piles can also be splayed, so that the transmission of traction force and braking force can be better realized.

The radial mechanism 4 comprises two radial rods which are arranged in a cross shape, and the end parts of the radial rods are fixedly connected with the radial mechanism mounting seat. In this embodiment, radial rod both ends pass through the bolt and install on the radial mechanism mount pad of axle box, and the tip of radial rod is rubber ball pivot structure to realize radial mechanism 4 and the flexible connection of a series of 3 axle boxes that hang, have better straight line operating stability and curve and pass through the performance. When the vehicle passes through a curve, the radial mechanism 4 can enable the wheel shaft assembly 1 to realize a radial function, the two wheel shaft assemblies 1 are integrally splayed, wheel rail abrasion is reduced, and the small-radius curve passing is facilitated.

A gear box 10 is arranged on the shaft of the wheel shaft assembly 1, and a traction motor 11 drives the wheel shaft assembly 1 through the gear box 10; two traction motors 11 are longitudinally arranged (longitudinally with the running direction of the bogie, perpendicular to the longitudinal direction and transversely in the same plane) on both sides of the frame assembly 2, and the traction motors 11 can provide traction force and braking force. In this embodiment, the output of the traction motor 11 is connected to the gearbox 10. It will be appreciated that in other embodiments the output of the traction motor 11 is connected to the gearbox 10, the fixed end of which is flexibly connected to the frame assembly 2.

As shown in fig. 4, the frame assembly 2 includes a cross member 2b and two side members 2a, and the cross member 2b is fixed between the two side members 2a, for example: the cross beam 2b and the side beam 2a are assembled and welded; the cross member 2b forms an H-shaped structure with the two side members 2 a. The inner side of the cross beam 2b is transversely and symmetrically provided with a framework transverse elastic stop 2e and a longitudinal traction seat 2 d. A transverse pull rod mounting seat 2c is fixed above the two side beams 2a, and the two transverse pull rod mounting seats 2c are distributed in diagonal positions.

And a transverse pull rod 8 is fixed on the transverse pull rod mounting seat 2c, one end of the transverse pull rod 8 is connected with the transverse pull rod mounting seat 2c, the other end of the transverse pull rod 8 is connected with the sleeper beam assembly 5, and the two transverse pull rods 8 are distributed on two sides of the sleeper beam assembly 5. The transverse tie rods 8 together with the secondary suspension 6 transmit small transverse forces from the frame assembly 2, giving the vehicle better lateral stability.

The sleeper beam assembly 5 is of a box-shaped structure, the middle of the sleeper beam assembly is of a concave structure, a center pin connecting hole is formed in the center of the sleeper beam assembly, and rubber pile mounting holes are formed in the two ends of the sleeper beam assembly. The secondary suspension 6 is composed of two rubber piles which are symmetrically distributed on two sides of the framework component 2, and the upper ends of the rubber piles are connected with the sleeper beam component 5 through connecting pins.

The upper end of the center pin assembly 7 is fixedly connected to the middle of the sleeper beam assembly 5 through a bolt, and the lower end of the center pin assembly 7 is provided with a pin hole and is connected with the suspension device 9 through a round pin. Two transverse stopping seats are transversely and symmetrically arranged in the middle of the central pin assembly 7, two longitudinal traction seats are longitudinally and symmetrically arranged, when a vehicle is subjected to large transverse force, the transverse stopping seats on the central pin assembly 7 are in contact with the transverse elastic stopping seats 2e of the framework, transverse force transmission is achieved, the vehicle cannot swing transversely, small-gap fit is formed between the central pin assembly 7 and the two longitudinal traction seats 2d on the inner side of the cross beam 2b, the fit gap is 2-4 mm, and longitudinal braking force and traction force can be transmitted.

The suspension device 9 includes two oppositely mounted suspension mechanisms 91, and shock absorber mounts 92 are mounted on outer sides (sides away from each other) of the suspension mechanisms 91, the shock absorbers mounts 92 being used to fix shock absorbers. The suspension mechanism 91 is a suspension part with radian, the top end of the suspension part is rotationally connected with the central pin assembly 7 through a round pin, and the bottom end of the suspension part is used for connecting a vehicle body assembly; the hanging piece is provided with a slotted hole for the shock absorber to pass through.

The transmission process of the forces in three directions of the bogie in the embodiment is as follows:

(1) vertical force (i.e., gravity):

vehicle body → suspension device 9 → center pin component 7 → bolster component 5 → secondary suspension 6 → frame component 2 → primary suspension 3 → axle component 1 → rail.

(2) Lateral force (centrifugal force, etc.):

1) when the force is small

The wheel axle component 1 → the primary suspension 3 → the frame component 2 → the secondary suspension 6+ the transverse tie rod 8 → the bolster component 5 → the center pin component 7 → the suspension device 9 → the vehicle body.

2) When the force is larger

Axle assembly 1 → primary suspension 3 → frame assembly 2 → lateral spring stop 2e → center pin assembly 7 → suspension device 9 → vehicle body.

(3) Longitudinal force (tractive or braking force)

Axle assembly 1 → primary suspension 3 → frame assembly 2 → longitudinal traction seat 2d → center pin assembly 7 → suspension device 9 → vehicle body.

The bogie of the embodiment is provided with the two traction motors 11, so that the self-powered bogie is realized, the independent marshalling of vehicles can be realized, and the flexible marshalling, convenience and quickness are realized; the steel wheel with the wheel rim on the inner side is adopted, so that the self-guiding of the vehicle can be realized, and the load is improved; the inner side suspension system is adopted, the structure of the bogie is compact, the smaller transverse size of the bogie can be realized, and the manufacturing cost is reduced; the two-system suspension is adopted, so that the dynamic performance is better; by adopting the radial mechanism 4, the linear running stability and the excellent curve passing performance can be better realized, the running speed of the vehicle is improved, the abrasion of the wheel rail is reduced, and the running cost is reduced.

Example two:

the present embodiment provides a railway vehicle that can transport 40 foot or 45 foot or two 20 foot or one 20 foot containers. As shown in fig. 6, the bogie comprises a car body assembly, a plurality of bogies, steel rails matched with the bogies, two sets of coupler buffer systems and a set of control unit, wherein the bogies adopt the powered railway car bogie of the first embodiment, and are fixed above the car body assembly through a suspension device 9; the suspension rod is arranged on the vehicle body to hoist the container 14 below the vehicle body. The car coupler buffer system and the control unit are both in the prior art, and are not described herein again. In this embodiment, two bogie devices are respectively fixed to the vehicle body assembly near the end portion.

As shown in fig. 5, a plurality of elastic body transverse stoppers 17 are fixed above the body assembly to prevent the body from swinging relatively to the suspension device 9. In the present embodiment, the vehicle body lateral direction elastic stoppers 17 are provided in four, and are symmetrically arranged inside the suspension device 9. The middle position of the transverse elastic stop 17 of the vehicle body is fixed with a shock absorber mounting support 15, the shock absorber mounting support 15 is connected with shock absorber mounting seats 92 at two sides of the shock absorber mounting support through a transverse shock absorber 16, transverse vibration from container goods can be attenuated, and good transverse stability is realized.

Example three:

as shown in fig. 7, this embodiment provides a powered railway car truck for piggyback container transport that replaces the secondary interface structure, eliminates the cross tie 8 and suspension 9, and replaces the secondary suspension 6 with a center pin hub assembly 13 and two double acting resilient side bearings 12, as compared to the first embodiment. Wherein, the center pin core disc assembly 13 is arranged at the center of the framework assembly 2, and the double-acting elastic side bearing 12 is fixed on the framework assembly 2 and is symmetrical about the center pin core disc assembly 13.

Other structures are the same as those of the first embodiment, and are not described herein again.

Example four:

as shown in fig. 8, the present embodiment provides a railway vehicle, which comprises a vehicle body assembly and a plurality of bogies according to the third embodiment, wherein the bogies are mounted at the bottom of the vehicle body assembly. In this embodiment, two bogie devices are respectively fixed to the vehicle body assembly near the end portion.

The center pin center plate assembly 13 is connected with a center plate on a vehicle body, the double-acting elastic side bearing 12 is in constant contact with the side bearing on the vehicle body, and the vehicle body can transport 1 40-foot or 1 45-foot or 2 20-foot containers or 1 20-foot container.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A powered railway vehicle bogie is characterized by comprising two wheel shafts, wherein the wheel shafts are powered by a traction motor; the two wheel shaft assemblies are connected through a framework assembly, a radial mechanism which is rotatably connected with the wheel shaft assemblies is arranged below the framework assembly, and the radial mechanism can enable the two wheel shaft assemblies to be splayed when a curve is passed;

2. A powered railway vehicle bogie as claimed in claim 1, wherein a sleeper beam assembly is mounted above the kingpin assembly, a secondary suspension is mounted between the sleeper beam assembly and the frame assembly, and transverse tie rods are provided on either side of the sleeper beam assembly.

3. A powered railway vehicle bogie as claimed in claim 1, characterised in that said radial mechanism comprises two radial bars arranged in a cross, the middle parts of the two radial bars being unconnected; the end part of the radial rod is flexibly connected with the wheel shaft.

4. A powered railway vehicle truck according to claim 1 wherein the frame assembly includes a cross member and two side members, the cross member and the two side members forming an H-shaped structure;

5. The powered railway vehicle bogie of claim 4, wherein the central pin assembly is symmetrically provided with a transverse stop seat and a longitudinal traction seat at the middle part, and when a vehicle is subjected to transverse force, the transverse force transmission is realized by the contact of the transverse stop seat and the transverse elastic stop;

6. A powered railway vehicle bogie as claimed in claim 1, in which the traction motors are symmetrically arranged in the longitudinal direction, the traction motors being connected to the axle assembly via a gearbox.

7. A powered railway vehicle bogie is characterized by comprising two wheel shafts, wherein the wheel shafts are powered by a traction motor; the two wheel shaft assemblies are connected through a framework assembly, and a radial mechanism rotationally connected with the wheel shaft assemblies is arranged below the framework assembly;

8. A railway vehicle comprising a body assembly and a plurality of bogies according to any one of claims 1 to 6, said bogies being arranged above the body assembly by suspension means; a transverse shock absorber is arranged between the vehicle body assembly and the suspension device.

9. A railway vehicle according to claim 8, wherein a plurality of laterally resilient stops are provided above the body assembly.

10. A railway vehicle comprising a body assembly and a plurality of bogies according to claim 7, said bogies being mounted below the body assembly.