CN112298250B

CN112298250B - Steering frame

Info

Publication number: CN112298250B
Application number: CN201910712487.9A
Authority: CN
Inventors: 秦成伟; 李得花; 李良杰; 刘春洋; 刘阳; 王波
Original assignee: CRRC Tangshan Co Ltd
Current assignee: CRRC Tangshan Co Ltd
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2022-04-15
Anticipated expiration: 2039-08-02
Also published as: CN112298250A

Abstract

The embodiment of the application provides a bogie, includes: two side beams; the two connecting seats are arranged at intervals along the transverse direction; the traction beam is rod-shaped and is connected between the two connecting seats, and the two ends of the traction beam are flexibly connected with the two connecting seats; wherein the lateral direction is a gauge direction of the bogie. The technical problem that the conventional rigid integrated framework brings poor adaptability of the bogie to the track is solved.

Description

Steering frame

Technical Field

The application relates to a railway vehicle running technology, in particular to a bogie.

Background

The bogie of the conventional rail train includes: frame, wheel pair, traction device, brake device and buffer device, etc. Wherein the frame is the main framework of the bogie and is used for installing and bearing other structures of the bogie, such as wheel sets, traction devices, buffer devices and the like. The frame is generally composed of two parallel side beams and a cross beam welded between the two side beams, i.e., the frame is a rigid integral frame welded together. The rigid integral frame, resulting in bulges or depressions, even if present on only one side of the track, is transferred through this rigid integral frame to the entire bogie, resulting in a poor ability of the bogie to adapt to the track.

Therefore, the rigid integral framework causes poor capability of the bogie to adapt to the track, which is a technical problem to be solved urgently by the technical personnel in the field.

The above information disclosed in the background section is only for enhancement of understanding of the background of the present application and therefore it may contain information that does not form the prior art that is known to those of ordinary skill in the art.

Disclosure of Invention

The embodiment of the application provides a bogie to solve the technical problem that the traditional rigid integrated framework brings poor adaptability of the bogie to a track.

The embodiment of the application provides a bogie, include:

two side beams;

the two connecting seats are arranged at intervals along the transverse direction;

the traction beam is rod-shaped and is connected between the two connecting seats, and the two ends of the traction beam are flexibly connected with the two connecting seats;

wherein the lateral direction is a gauge direction of the bogie.

Due to the adoption of the technical scheme, the embodiment of the application has the following technical effects:

one connecting seat is connected with one side beam, two connecting seats are arranged at intervals along the transverse direction, and the two ends of the traction beam are flexibly connected with the two connecting seats, namely the traction beam and the connecting seats are not in a rigid integrated structure. Like this, when the connecting seat and the curb girder of unilateral fluctuate downwards or upwards as a whole, flexible connection self can consume partly undulant for just transmit to the trailing beam after undulant being reduced, make the connecting seat and the curb girder of opposite side as a holistic undulant less, reduce undulant influence to whole bogie, the bogie adaptation orbital ability is higher, and then make the stability of the train that uses this bogie higher, and the travelling comfort of taking is higher.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic view of a bogie according to an embodiment of the present application, which is suitable for use with a non-powered bogie;

FIG. 2 is a schematic view of a bogie according to an embodiment of the present application, which is suitable for use in a power bogie;

FIG. 3 is an exploded view of the attachment seat, the draft bumper adapter sleeve and the draft sill of the truck in accordance with an embodiment of the present invention;

FIG. 4 is a schematic view of the draft cushion adapter sleeve of FIG. 3;

FIG. 5 is a schematic view of the assembly of the connecting seat, the draft bumper adapter sleeve, the draft sill, the draft bushing and the draft pin of the bogie according to the embodiment of the present application;

FIG. 6 is a schematic view of the assembly of the draft cushion adapter sleeve, draft sill, draft bushing and draft pin of the truck according to the embodiment of the present application;

FIG. 7 is an exploded view of FIG. 6;

FIG. 8 is a schematic view of the traction sleeve of FIG. 7;

FIG. 9 is a schematic view of the connecting socket shown in FIG. 5;

FIG. 10 is a schematic view of a side sill of the truck of FIGS. 1 and 2;

FIG. 11 is a cross-sectional view of the secondary suspension of the truck of FIGS. 1 and 2;

FIG. 12 is an assembled schematic view of the side sill and a suspension system, axle housing, shown in FIG. 10;

FIG. 13 is an exploded view of FIG. 12;

FIG. 14 is an assembled schematic view of the attachment bracket, single-link and axle housing of the truck shown in FIGS. 1 and 2;

fig. 15 is an exploded view of fig. 14.

Description of reference numerals:

100 connecting seats, 110 traction beam mounting holes, 120 traction buffer connecting sleeves, 121 traction buffer inner layer sleeves, 122 traction buffer middle sleeves, 123 traction buffer outer layer sleeves, 130 side beam connecting holes, 140 connecting seat single pull rod interfaces, 150 connecting seat balancing rod interfaces, 160 brake mounting seats,

210 draft sill, 220 draft sleeve, 221 inner draft tube, 222 draft sandwich, 223 outer draft tube, 230 draft pin, 241 upper half hoop, 242 lower half hoop,

a 300 side member, a 310 side member connecting pin,

400 series of suspension devices, 410 series of connecting holes,

510 axles, 520 wheels, 530 axle boxes, 531 axle box single-rod interfaces, 540 primary suspension devices,

610 single pull rod, 621 balance rod, 622 direct drive motor and 630 brake device.

Detailed Description

In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

FIG. 1 is a schematic view of a bogie according to an embodiment of the present application, which is suitable for use with a non-powered bogie; FIG. 2 is a schematic view of a bogie according to an embodiment of the present application, which is suitable for use in a power bogie; fig. 3 is an exploded view of the coupling seat, the draft bumper adapter sleeve and the draft sill of the bogie according to the embodiment of the present invention.

As shown in fig. 1, 2 and 3, a bogie according to a first embodiment of the present application includes:

two side members 300;

two connecting seats 100, one connecting seat 100 is connected with one side beam 300, and the two connecting seats 100 are arranged at intervals along the transverse direction;

the traction beam 210 is in a rod shape, the traction beam 210 is connected between the two connecting seats 100, and the two ends of the traction beam are flexibly connected with the two connecting seats;

wherein the lateral direction is a gauge direction of the bogie.

The bogie of this application embodiment, one the connecting seat with one the curb girder is connected, two the connecting seat sets up along horizontal direction interval, and the both ends of draft sill and two connection between the connecting seat is flexible connection, and draft sill and connecting seat are not rigid integrated structure promptly. Like this, when the connecting seat and the curb girder of unilateral fluctuate downwards or upwards as a whole, flexible connection self can consume partly undulant for just transmit to the trailing beam after undulant being reduced, make the connecting seat and the curb girder of opposite side as a holistic undulant less, reduce undulant influence to whole bogie, the bogie adaptation orbital ability is higher, and then make the stability of the train that uses this bogie higher, and the travelling comfort of taking is higher. Meanwhile, the rod-shaped draft sill has a simple structure and is convenient to process and manufacture.

Specifically, when the bogie is placed with its wheels directly on the running rails of the track, one connecting seat is located above one running rail. When one of the running rails is provided with the bulge or the recess, when one connecting seat positioned on the running rail passes through the bulge or the recess, the connecting seat and the side beam on the side can generate upward or downward fluctuation as a whole, and the flexible connection between the two ends of the traction beam and the two connecting seats can consume part of fluctuation, so that the fluctuation is transmitted to the traction beam after being reduced, the influence of the fluctuation on the whole bogie is reduced, the capability of the bogie adapting to the track is higher, the stability of a train using the bogie is higher, and the riding comfort is higher.

Specifically, as shown in fig. 3, the draft sill 210 is a round bar shaped draft sill.

The round-bar-shaped draw beam has a simple structure and a regular shape, is convenient to process and manufacture and is also convenient to transport.

Fig. 4 is a schematic view of the traction buffer connection sleeve shown in fig. 3. In practice, as to the implementation manner of the flexible connection between the two ends of the draft sill and the two connecting seats, as in the embodiment shown in fig. 3, the opposite side of the connecting seat is provided with a draft sill mounting hole 110;

the bogie further comprises a flexible traction buffer connecting sleeve 120, as shown in fig. 4, the traction buffer connecting sleeve comprises a rigid traction buffer inner layer sleeve 121 and a rigid traction buffer outer layer sleeve 123 which are sleeved, and an elastic traction buffer middle sleeve 122 fixed between the traction buffer inner layer sleeve and the traction buffer outer layer sleeve;

the traction buffering inner layer sleeve 121 is fixed with the traction beam 210 in an interference fit mode, and the traction buffering outer layer sleeve 123 is fixed with the inner wall of the traction beam mounting hole in an interference fit mode, so that flexible connection between the two ends of the traction beam and the two connecting seats is achieved.

Specifically, the traction buffer middle sleeve is made of a material capable of generating elastic deformation, the traction buffer middle sleeve and the traction buffer inner layer sleeve are fixed together in a vulcanization mode. Specifically, the traction buffer middle sleeve is made of rubber materials, the traction buffer inner layer sleeve is made of metal materials, and the traction buffer outer layer sleeve is made of metal materials.

Through drawing the buffering adapter sleeve, realized two ends of draw beam and two flexible connection between the connecting seat, simple structure, simple to operate.

In practice, a bottom cushioning gap is formed between the draft sill and the inner bottom of the draft sill mounting hole.

The existence of bottom buffering clearance, when the automobile body took place lateral displacement for the bogie, the draw beam can contact with draw beam mounting hole bottom, played the effect of horizontal backstop.

In implementation, the outer peripheral surface of the traction buffer middle sleeve is a curved surface with a convex middle part, and a side buffer gap is formed between two ends of the outer peripheral surface of the traction buffer middle sleeve and the inner wall of the traction buffer outer layer sleeve.

When the draw beam and the connecting seat move relatively, the side buffer gap provides a space for the relative movement of the draw beam and the connecting seat, and the flexible connection between the draw beam and the connecting seat is better realized.

FIG. 5 is a schematic view of the assembly of the connecting seat, the draft bumper adapter sleeve, the draft sill, the draft bushing and the draft pin of the bogie according to the embodiment of the present application; FIG. 6 is a schematic view of the assembly of the draft cushion adapter sleeve, draft sill, draft bushing and draft pin of the truck according to the embodiment of the present application; FIG. 7 is an exploded view of FIG. 6; fig. 8 is a schematic view of the traction sleeve of fig. 7. In practice, as shown in the specific embodiments shown in fig. 5, 6, 7 and 8, the bogie further comprises:

a flexible traction sleeve 220, which comprises a rigid inner traction tube 221 and a rigid outer traction tube 223 which are sleeved, and an elastic traction interlayer 222 fixed between the inner traction tube and the outer traction tube; the inner-layer traction pipe 221 is fixed with the middle part of the traction beam in an interference fit manner;

a towing pin 230, wherein the bottom end of the towing pin 230 is fixed with the outer towing pipe 223, and the top end of the towing pin 230 is used for being fixed with the train body.

The traction sleeve can flexibly transmit longitudinal force between the traction beam and the traction pin, and direct rigid impact transmission between the traction beam and the traction pin is avoided.

Specifically, the traction interlayer is made of a material capable of generating elastic deformation, the traction interlayer and the inner layer traction pipe are fixed together in a vulcanization mode. Specifically, the traction interlayer is made of rubber materials, the inner traction tube is made of metal materials, and the outer traction tube is made of metal materials;

the thickness of the traction interlayer is larger than that of the traction buffer middle sleeve.

In practice, the bottom end of the kingpin may be secured to the outer traction tube in the manner shown in the embodiments of fig. 6 and 7, and the bogie further comprises:

the upper half hoop 241 is fixed at the bottom end of the towing pin 230;

a lower half hoop 242;

the upper half hoop 241 and the lower half hoop 242 are clasped on the outer peripheral surface of the outer traction tube 223 and fixed through bolts, screw holes and nuts to realize the outer traction tube, and the upper half hoop and the lower half hoop are in interference fit.

Through first half staple bolt and second half staple bolt hug closely outer peripheral face of outer traction tube, through the bolt, the fixed mode that realizes interference fit of screw and nut, simple structure, the installation of also being convenient for.

Fig. 9 is a schematic view of the link base shown in fig. 5, and fig. 10 is a schematic view of a side sill of the bogie shown in fig. 1 and 2. In practice, as in the particular embodiment shown in fig. 1 and 2, the side beam is a flexible side beam 300, as shown in fig. 10, the side beam 300 having an upwardly projecting side beam connecting pin 310;

as shown in fig. 9, the connecting seat 100 has a side sill mounting passage penetrating in the moving direction of the bogie, and a side sill connecting hole 130 is provided at the top of the connecting seat;

the side sill 300 is located at the side sill mounting passage, and the side sill connection pin 310 upwardly passes through the side sill connection hole 130.

The side beam penetrates through a side beam mounting channel of the connecting seat, and the side beam and the connecting seat are mounted through the side beam connecting pin and the side beam connecting hole; the side beams are flexible and not suitable for being used as a mounting base of the bogie, so that the rigid connecting seat is used as the mounting base of the bogie.

Fig. 11 is a cross-sectional view of the secondary suspension of the bogie shown in fig. 1 and 2. In practice, as shown in the embodiment of fig. 1 and 2, the bogie further comprises a secondary suspension device 400, as shown in fig. 11, the bottom of the secondary suspension device is provided with a secondary connecting hole 410 with a downward opening, and the top end of the secondary suspension device is used for connecting the train body;

the portion of the side beam connecting pin 310 protruding from the connecting socket is upwardly inserted into the secondary connecting hole 410 to mount the secondary suspension device on the connecting socket 100.

The vertical power of the train body is transmitted to the side beam through the secondary suspension device, and because the side beam is flexible, the side beam is elastically deformed downwards, the flexible vertical power of transmission avoids the rigid transmission of the vertical power in the transmission process, the stability of the bogie is improved, and the comfort of passengers is further improved.

Specifically, the side member is a plate-shaped structure made of a fiber material such as carbon fiber or glass fiber.

FIG. 12 is an assembled schematic view of the side sill and a suspension system, axle housing, shown in FIG. 10; fig. 13 is an exploded view of fig. 12. In practice, as in the specific embodiment shown in fig. 1, 2, 12 and 13, the bogie further comprises:

two sets of wheel pairs are arranged in front and at the back along the movement direction of the bogie, and each wheel pair comprises an axle 510 and two wheels 520 symmetrically arranged on the axle;

axle boxes 530, two of which are provided for each axle 510, and located between the two wheel pairs;

a primary suspension device 540, the primary suspension device 540 being located above the axle box 530 and below the ends of the side beams 300 to support the side beams.

A linkage suspension supports under the tip of flexible side roof beam, and the vertical power that the curb girder received is to a linkage suspension transmission, and because of a linkage suspension is also flexible, a linkage suspension is the vertical power of flexible transmission too, avoids the rigid transmission of vertical power in the transmission process, has improved the stability of bogie, and then has improved passenger's travelling comfort.

FIG. 14 is an assembled schematic view of the attachment bracket, single-link and axle housing of the truck shown in FIGS. 1 and 2; fig. 15 is an exploded view of fig. 14. In practice, and as in the particular embodiment shown in fig. 1, 2, 14 and 15, the bogie further comprises a single tie rod 610;

a connecting seat single-pull rod interface 140 is arranged on one side, facing the axle box, of the outer wall of the traction beam mounting hole of the connecting seat;

one side of the axle box, which faces the connecting seat, is provided with an axle box single-pull rod interface 531;

the single drawbar 610 connects the connecting socket single drawbar interface 140 and the axle box single drawbar interface 531 to realize that the single drawbar 610 connects the connecting socket and the axle box.

The connecting seat has connecting seat single pull rod interface, and the installation of single pull rod has been realized to the connecting seat.

In practice, as in the particular embodiment shown in fig. 1 and 2, the bogie further comprises a braking device 630;

a braking installation seat 160 is arranged on the outer side of the connection seat, and the braking device 630 is fixed with the braking installation seat 160.

The connecting seat is provided with a brake mounting seat, and the connecting seat realizes the mounting of the brake device.

In implementation, as in the specific embodiment shown in fig. 1 and fig. 2, the bogie further includes a driving device, the driving device includes a balance bar 621 and a direct drive motor 622, the direct drive motor 622 is sleeved on the outer circumferential surface of the axle 510, and a motor balance bar interface is disposed at the top of the direct drive motor 622;

the top of the connecting seat is provided with a connecting seat balance rod interface 150;

the balance bar 621 is connected with the motor balance bar interface and the connecting seat balance bar interface 150, so that the balance bar is connected with the direct drive motor and the connecting seat.

The connecting seat has connecting seat balancing pole interface, and the installation of balancing pole has been realized to the connecting seat.

In conclusion, the connecting seat realizes the installation of the balance rod of the traction beam, the side beam, the secondary suspension device, the single pull rod, the braking device and the driving device, the connecting seat is used as the installation foundation of the bogie, and the side beam is not used as the installation foundation of the bogie. Thus, the connecting seat can also serve as a mounting base for other parts of the bogie.

In the description of the present application and the embodiments thereof, it is to be understood that the terms "top", "bottom", "height", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

In this application and its embodiments, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application and its embodiments, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not directly, but via another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

The above disclosure provides many different embodiments or examples for implementing different structures of the application. The components and arrangements of specific examples are described above to simplify the present disclosure. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims

1. A bogie, comprising:

two side beams;

wherein the lateral direction is a gauge direction of the bogie;

the flexible traction sleeve comprises a rigid inner traction pipe and a rigid outer traction pipe which are sleeved, and an elastic traction interlayer fixed between the inner traction pipe and the outer traction pipe; the inner layer traction pipe is fixed with the middle part of the traction beam in an interference fit manner;

the bottom end of the traction pin is fixed with the outer layer traction pipe, and the top end of the traction pin is used for being fixed with a train body of a train.

2. The bogie according to claim 1, wherein the draft sill is a round bar shaped draft sill.

3. The bogie of claim 2, wherein the opposite side of the connecting seat is provided with a draft sill mounting hole;

the bogie further comprises a flexible traction buffering connecting sleeve, wherein the traction buffering connecting sleeve comprises a rigid traction buffering inner-layer sleeve and a rigid traction buffering outer-layer sleeve which are sleeved, and an elastic traction buffering middle sleeve fixed between the traction buffering inner-layer sleeve and the traction buffering outer-layer sleeve;

the traction buffer inner layer sleeve is fixed with the traction beam in an interference fit mode, and the traction buffer outer layer sleeve is fixed with the inner wall of the traction beam mounting hole in an interference fit mode, so that flexible connection between the two ends of the traction beam and the two connecting seats is achieved.

4. The truck of claim 3 wherein a bottom cushioning gap is formed between the draft sill and an inner bottom of the draft sill mounting hole.

5. The bogie according to claim 3, wherein the traction buffering intermediate sleeve is a rubber traction buffering intermediate sleeve, the traction buffering inner layer sleeve is a metal traction buffering inner layer sleeve, and the traction buffering outer layer sleeve is a metal traction buffering outer layer sleeve.

6. The bogie of claim 5, wherein the traction sandwich is a rubber material traction sandwich, the inner traction tube is a metal material inner traction tube, and the outer traction tube is a metal material outer traction tube;

7. The bogie of claim 1, further comprising:

the upper half hoop is fixed at the bottom end of the traction pin;

the lower half hoop;

the upper half hoop and the lower half hoop are clasped on the outer peripheral surface of the outer traction tube and fixed through bolts, screw holes and nuts to realize the outer traction tube, and the upper half hoop and the lower half hoop are in interference fit.

8. The truck of claim 7 wherein the side beams are flexible side beams having upwardly projecting side beam connecting pins;

the connecting seat is provided with a side beam mounting channel penetrating along the movement direction of the bogie, and the top of the connecting seat is provided with a side beam connecting hole;

the side beam is positioned at the side beam mounting channel, and the side beam connecting pin penetrates through the side beam connecting hole upwards.

9. The bogie of claim 8, further comprising a secondary suspension device, wherein the bottom of the secondary suspension device is provided with a secondary connecting hole with a downward opening, and the top end of the secondary suspension device is used for connecting the train body;

the part of the side beam connecting pin protruding out of the connecting seat penetrates upwards into the secondary connecting hole so as to install the secondary suspension device on the connecting seat.

10. The bogie of claim 8, wherein the side beams are carbon fiber or glass fiber side beams.

11. The bogie of claim 8, further comprising:

the two sets of wheel sets are arranged in front and at back along the movement direction of the bogie, and each wheel set comprises an axle and two wheels symmetrically arranged on the axle;

the axle boxes are arranged on each axle, and the two axle boxes are positioned between the two wheel pairs;

a primary suspension device located above the axle box and below the ends of the side beams to support the side beams.

12. The truck of claim 11 further comprising a single tie rod;

a single pull rod interface of the connecting seat is arranged on one side, facing the axle box, of the outer wall of the traction beam mounting hole of the connecting seat;

one side of the axle box, which faces the connecting seat, is provided with an axle box single-pull-rod interface;

the single pull rod is connected with the connecting seat single pull rod interface and the axle box single pull rod interface so as to realize that the single pull rod is connected with the connecting seat and the axle box.

13. The truck of claim 12 further comprising a brake device;

the outer side of the connecting seat is provided with a brake mounting seat, and the brake device is fixed with the brake mounting seat.

14. The bogie according to claim 13 further comprising a driving device, wherein the driving device comprises a balance bar and a direct drive motor, the direct drive motor is sleeved on the outer peripheral surface of the axle, and a motor balance bar interface is arranged at the top of the direct drive motor;

the top of the connecting seat is provided with a connecting seat balance rod interface;

the balance rod is connected with the motor balance rod interface and the connecting seat balance rod interface so as to realize that the balance rod is connected with the direct drive motor and the connecting seat.