CN218929448U

CN218929448U - End beam, meter gauge framework and meter gauge bogie

Info

Publication number: CN218929448U
Application number: CN202223103131.1U
Authority: CN
Inventors: 苗成林; 王明; 李彦先; 叶天一; 许鑫
Original assignee: CRRC Qingdao Sifang Co Ltd
Current assignee: CRRC Qingdao Sifang Co Ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-04-28
Anticipated expiration: 2032-11-22

Abstract

The utility model relates to the field of railway vehicles, and provides an end beam, a meter-gauge framework and a meter-gauge bogie, wherein the end beam comprises an end beam body and extension beams bent towards the same side along two ends of the end beam body, a yielding hole for installing a vertical shock absorber seat is formed in a lower cover plate of each extension beam, a pair of holes are formed in a position, opposite to the yielding hole, of an upper cover plate of the extension beam, a space, located in the yielding hole, of the extension beam is used for installing the vertical shock absorber seat, and the vertical shock absorber seat is welded on an upper cover plate of the extension beam through the pair of holes. The vertical shock absorber seat is arranged in the extension beam of the end beam, so that the occupied space of the vertical shock absorber on the framework can be greatly saved, compared with the prior art that the vertical shock absorber seat is arranged on the outer side of the side beam, and the structural compactness of the whole framework is improved.

Description

End beam, meter gauge framework and meter gauge bogie

Technical Field

The utility model relates to the technical field of railway vehicles, in particular to an end beam, a meter rail framework and a meter rail bogie.

Background

The meter gauge is a meter gauge as the name implies, and the meter gauge frame mounted on the meter gauge needs to maintain a consistent span due to the narrow meter gauge, that is, the distance between a pair of side beams of the meter gauge frame is very narrow, so that in order to adapt to the installation of components such as a driving motor and a gearbox on the inner side of the frame, the installation space of components such as a braking device, a vertical shock absorber and the like is usually limited.

Disclosure of Invention

The utility model provides an end beam which is used for solving the defect that the installation space of a meter rail framework is limited in the prior art, and can facilitate the installation of components such as a braking device, a vertical shock absorber and the like, and has reasonable layout and compact structure.

The utility model also provides a meter gauge framework.

The utility model further provides the meter gauge bogie.

The utility model provides an end beam, which comprises an end beam body and extension beams bent towards the same side along two ends of the end beam body, wherein a yielding hole for installing a vertical shock absorber seat is formed in a lower cover plate of each extension beam, a pair of open holes are formed in a position, opposite to the yielding hole, of an upper cover plate of the extension beam, a space, located in the yielding hole, of the extension beam is used for installing the vertical shock absorber seat, and the vertical shock absorber seat is welded on the upper cover plate of the extension beam through the pair of open holes.

According to one embodiment of the utility model, the relief hole and the opening are provided at an end of the extension beam remote from the end beam body.

According to one embodiment of the utility model, the inner side riser of each extension beam is provided with a wheel set lifting seat.

According to one embodiment of the utility model, the outer side riser of each extension beam is provided with a lifting hole.

According to one embodiment of the utility model, the inner cavity of the end beam is provided with a plurality of rib plates which are arranged at intervals.

According to one embodiment of the utility model, each end beam body is provided with a pair of spaced apart brake mounting locations, the brake mounting locations being provided with a plurality of brake struts, each brake strut having a locating end and a stop end.

According to one embodiment of the utility model, the upper cover plate and the lower cover plate of the end beam are integrally formed bent steel plates, and the cross section area of the end beam body is smaller than that of the extension beam.

The utility model also provides a rice gauge framework which comprises a pair of side beams which are oppositely arranged, a pair of cross beams which are arranged between the pair of side beams, and a pair of end beams which are arranged at two ends of the pair of side beams and are used for connecting the pair of side beams to form a closed structure.

According to one embodiment of the utility model, the upper cover plates of the pair of side members are provided with lateral shock absorber seats, respectively, and the pair of lateral shock absorber seats are disposed diagonally symmetrically about the longitudinal axis of the frame.

The utility model also provides a meter gauge bogie, which comprises a driving motor, a transmission device, a wheel pair and the meter gauge framework; the driving motor and the transmission device are respectively arranged on a motor installation seat and a transmission installation seat of the cross beam, the wheel set is arranged below the framework, and the axle box body of the wheel set is connected with the axle box positioning node installation seat of the side beam through a series of hanging.

The end beam, the lower cover plate of the extension beam, provided by the utility model, is provided with the abdication hole, so that the vertical shock absorber seat can be conveniently installed in the box space of the extension beam, and in order to facilitate the stable connection of the vertical shock absorber seat and the upper cover plate of the extension beam, the upper cover plate of the extension beam is provided with a pair of small round holes, so that the vertical shock absorber seat can be conveniently installed in the box space of the abdication hole of the extension Liang Zhengdui from the outer side of the upper cover plate of the extension beam. Therefore, one end of the vertical shock absorber is connected with the vertical shock absorber seat, and the other end of the vertical shock absorber is connected with the vehicle body, so that the vertical shock absorber of the vehicle body is facilitated. The vertical shock absorber seat is arranged in the extension beam of the end beam, so that the occupied space of the vertical shock absorber on the framework can be greatly saved, compared with the prior art that the vertical shock absorber seat is arranged on the outer side of the side beam, and the structural compactness of the whole framework is improved.

Further, each end beam body is provided with a pair of brake device mounting positions which are arranged at intervals and used for mounting a brake device, each brake device mounting position is provided with a plurality of brake support rods, each brake support rod is provided with a positioning end and a stop end, the brake device is mounted conveniently, and a certain rotation stopping effect is achieved. The end beam mounting brake device of the box type is designed at the end part of the framework, so that the enough strength is ensured and the torsional rigidity of the whole framework is improved.

Drawings

In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of a meter track frame from a top view;

FIG. 2 is a schematic perspective view of the present utility model from the bottom view of the rice noodle frame;

FIG. 3 is a schematic view of the structure of an end beam provided by the present utility model, showing a gusset;

fig. 4 is a schematic view of the overall structure of an end beam provided by the present utility model.

Reference numerals:

1. a side beam; 11. an upper cover plate of the side beam; 2. a cross beam; 3. an end beam; 31. an end beam body; 32. an extension beam; 321. an upper cover plate extending the beam; 322. a lower cover plate of the extension beam; 323. a relief hole; 324. opening holes; 325. rib plates; 4. a longitudinal auxiliary beam; 5. a transverse shock absorber seat; 6. lifting seat; 7. lifting holes; 8. a brake mounting location; 9. a motor mounting seat; 10. a transmission mounting seat; 20. axle box positioning node mounting seats; 30. a vertical shock absorber seat.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

An embodiment of the present utility model will be described with reference to fig. 1 to 4, in which end beams are mounted to the ends of side beams to form a letter-like frame.

The utility model provides an end beam 3, as shown in fig. 1-2 and fig. 3 and 4, the end beam 3 comprises an end beam body 31 and extension beams 32 bent to the same side along two ends of the end beam body 31, a yielding hole 323 for installing a vertical shock absorber seat 30 is formed in a lower cover plate 322 of each extension beam, the yielding hole 323 can be a long round hole, a pair of holes 324 are formed in a position, opposite to the yielding hole 323, of an upper cover plate 321 of the extension beam, the holes 324 can be small round holes, a space, in the yielding hole 323, of the extension beams 32 is used for installing the vertical shock absorber seat 30, the vertical shock absorber seat 30 is welded to the inner side face of the upper cover plate 321 of the extension beam through the pair of holes 324, that is, the lower cover plate 322 of the extension beam is provided with the yielding hole 323, so that the vertical shock absorber seat 30 can be conveniently installed in a box space of the extension beams 32, so that the vertical shock absorber seat 30 can be conveniently and firmly connected with the upper cover plate 321 of the extension beams, the pair of small round holes 321 are formed in the upper cover plate 321 of the extension beams, so that the vertical shock absorber seat 321 can be conveniently and directly opposite to the box space, opposite to the box seat 323, and can be conveniently installed in the box space, opposite to the box 32. So that one end of the vertical damper is connected with the vertical damper seat 30 and the other end is connected with the vehicle body, thereby facilitating the vertical damping of the vehicle body. By arranging the vertical damper seat 30 in the extension beam 32 of the end beam 3, the space occupied by the vertical damper on the frame can be greatly saved, and compared with the prior art, the vertical damper seat 30 is arranged outside the side beam 1, thereby improving the structural compactness of the whole frame.

As shown in fig. 1 and 2, the rice-gauge framework provided by the utility model comprises a pair of side beams 1 which are oppositely arranged, a pair of cross beams 2 which are arranged between the pair of side beams 1, and a pair of end beams 3 which are arranged at two ends of the pair of side beams 1 and connect the pair of side beams 1 to form a closed structure, wherein the pair of side beams 1, the pair of cross beams 2 and the pair of end beams 3 form a 'mesh' -shaped framework; the space between the pair of cross beams 2 and the pair of end beams 3 is used for installing components such as a driving motor, a gear box and the like, and for the occasion that the meter track framework is used for a rack rail, the space between the pair of cross beams 2 and the pair of end beams 3 is also required to be provided with components such as running teeth, racks and the like, so that the installation space on the inner side of the framework is limited. The length of the side member 1 is increased in this embodiment, thereby enlarging the space between the cross member 2 and the end member 3, and providing a sufficient installation space for the components. Furthermore, in order to facilitate the installation of the lateral dampers, the upper cover plates 11 of the pair of side members are provided with the lateral damper seats 5, respectively, and the pair of lateral damper seats 5 are disposed diagonally symmetrically about the longitudinal axis of the frame, that is, the pair of side members 1 are provided with the two lateral damper seats 5 diagonally symmetrically, thereby diagonally symmetrically installing the two lateral dampers for lateral vibration reduction on both sides of the vehicle body. In the embodiment, the transverse shock absorber seat 5 is arranged on the upper cover plate 11 of the side beam, one end of the transverse shock absorber is connected with the transverse shock absorber seat 5, the other end of the transverse shock absorber is connected with the vehicle body, so that transverse shock absorption of the vehicle body is realized, the condition that the transverse shock absorber is connected with the central traction device in the past to occupy the space on the inner side of the framework is avoided, and the transverse shock absorber seat 5 does not occupy the extra space of the framework, so that the structure is more compact.

It will be appreciated that the central traction device is mounted in the middle of the frame, particularly above the cross beam 2, and the meter rail frame of this embodiment requires more components to be mounted in the inner space, and by removing the transverse damper alone, the transverse damper seat 5 is provided on the upper cover 11 of the side sill, and the transverse damper is connected between the side sill 1 and the vehicle body, thereby greatly freeing up space for the central traction device to be mounted.

The side beam 1 is a box beam, and includes an upper cover plate, an outer vertical plate, a lower cover plate, and an inner vertical plate that are sequentially surrounded to form a closed space. The cross beam 2 adopts a steel pipe structure. The end beam 3 is also box-shaped and comprises an upper cover plate, a lower cover plate, an inner vertical plate and an outer vertical plate, wherein the upper cover plate and the lower cover plate are arranged up and down oppositely, and the inner vertical plate and the outer vertical plate are arranged inside and outside oppositely.

According to one embodiment of the present utility model, the end portions of the side beams 1 are welded with axle box positioning node mounting bases 20, respectively, and the axle box positioning node mounting bases 20 are in a cylindrical shape with downward openings, and are used for mounting a primary suspension, and the primary suspension is connected with the axle box positioning node mounting bases 20 and axle boxes on wheel sets. The ends of the extension beams 32 are welded to the side sill 1 by the axlebox locating node mounts 20 to form a closed framework.

In accordance with one embodiment of the present utility model, relief holes 323 and openings 324 are provided in the end of extension beam 32 adjacent axle box locating node mount 20 to accommodate the mounting requirements of vertical shock absorber mount 30 and the location requirements of the vertical shock absorber connection to the vehicle body.

According to one embodiment of the utility model, the inner side vertical plate of each extension beam 32 is provided with a wheel set lifting seat 6, so that the wheel set lifting seat is convenient to use when lifting the wheel set, and the outer side vertical plate of each extension beam 32 is provided with a lifting hole 7, so that the whole framework is convenient to use when lifting the framework. And the wheel set lifting seat 6 and the lifting hole 7 are simple in structure, hidden in position and convenient to set, and are convenient for wheel set lifting and framework integral lifting. By arranging the lifting holes 7, the lifting seat 6 is prevented from being welded on the framework, so that the weight is reduced and the welding amount is reduced.

According to one embodiment of the utility model, the inner cavity of the end beam 3 is provided with a plurality of rib plates 325 which are arranged at intervals so as to strengthen the structural strength of the end beam 3; each end beam body 31 is provided with a pair of spaced brake mounting locations 8 for mounting a brake, in particular a plurality of brake struts 8, each having a locating end and a stop end, facilitating the mounting of the brake, and also providing a certain anti-rotation effect. The end beam 3 of the box type is designed at the end part of the framework to mount the brake device, so that the enough strength is ensured, the torsional rigidity of the whole framework is improved, and the stress at the joint of the cross beam 2 and the side beam 1 is shared.

According to one embodiment of the utility model, a pair of longitudinal auxiliary beams 4 are arranged between the pair of cross beams 2, one ends of the pair of longitudinal auxiliary beams 4 extend to be welded with the inner side vertical plates of the side beams 1, namely, the longitudinal auxiliary beams 4 with the through length are formed, the longitudinal auxiliary beams 4 are directly welded with the side beams 1, the pair of cross beams 2 are reasonably designed with a pair of steel pipe spacing, so that enough installation space is provided for parts in the framework, the weight of the cross beams 2 is reduced, and due to the large design of the axle base of the framework, the torsion resistance is reduced, the longitudinal auxiliary beams 4 extend to the inner side vertical plates of the side beams 1, and the torsional rigidity of the framework is increased.

In this embodiment, the other ends of the pair of longitudinal auxiliary beams 4 are provided with transverse stop seats, which are used to cooperate with the central traction device to realize transverse stop.

According to one embodiment of the utility model, the motor mounting seats 9 and the transmission mounting seats 10 which are arranged at intervals are arranged on the pair of cross beams 2, the motor mounting seats 9 on the pair of cross beams 2 are arranged in an oblique symmetry mode relative to the transverse axis of the framework, the transmission mounting seats 10 on the pair of cross beams 2 are arranged in an oblique symmetry mode relative to the transverse axis of the framework, the motor mounting seats 9 are used for mounting driving motors, the transmission mounting seats 10 are used for mounting transmission devices, and the pair of driving motors and the pair of transmission devices can be arranged in an oblique symmetry mode after being mounted, so that the whole stress balance of the framework is maintained.

According to one embodiment of the utility model, the upper cover plate and the lower cover plate of the end beam 3 are bent steel plates, and the upper cover plate and the lower cover plate of the end beam 3 are respectively integrally formed, so that the structure is good in strength and attractive in appearance. The upper cover plate and the lower cover plate of the end beam 3 are both arranged as bending steel plates with transitional cambered surfaces, and can be adjusted according to the vertical sizes of accessories such as a braking device and the like, so that the mounting interface is compact, and the overlong fastening bolts are avoided.

In addition, the cross-sectional area of the end beam body 31 is smaller than that of the extension beam 32, and the cross-sectional size is reduced at the position of the end beam body 31 under the condition of meeting the requirements of interface size and strength, so that the design is prevented from being too strong and enough space is reserved for mounting other accessory devices.

On the other hand, the utility model also provides a meter-gauge bogie, which comprises a driving motor, a transmission device, a wheel pair and the meter-gauge framework; the driving motor and the transmission device are respectively arranged on a motor mounting seat 9 and a transmission mounting seat 10 of the cross beam 2, the wheel pair is arranged below the framework, and the axle box body of the wheel pair is connected with an axle box positioning node mounting seat 20 of the side beam 1 through a series of suspension. The present embodiment has all the advantages of the above-mentioned framework by arranging the above-mentioned framework, and will not be described herein.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides an end beam, its characterized in that includes the end beam body and follows the extension roof beam that the both ends of end beam body were buckled to same side, every the lower apron of extension roof beam has all been seted up and is used for installing the hole of stepping down of vertical shock absorber seat, the upper cover plate of extension roof beam just to the position of the hole of stepping down is equipped with a pair of trompil, be located in the extension roof beam the space in the hole of stepping down is used for installing vertical shock absorber seat, and vertical shock absorber seat passes through a pair of the trompil welding is in the upper cover plate of extension roof beam.

2. The end beam of claim 1 wherein the relief hole and the aperture are open at an end of the extension beam remote from the end beam body.

3. The end beam of claim 1 wherein the inboard riser of each extension beam is provided with a wheel set lifting seat.

4. The end beam of claim 1 wherein the outer side riser of each of the extension beams is provided with a lifting hole.

5. The end beam of claim 1 wherein the interior cavity of the end beam is provided with a plurality of spaced apart webs.

6. An end beam according to claim 1 wherein each end beam body is provided with a pair of spaced apart brake mounting locations, the brake mounting locations being provided with a plurality of brake struts, each brake strut having a locating end and a stop end.

7. The end beam of any one of claims 1-6 wherein the upper and lower cover plates of the end beam are integrally formed bent steel plates, the cross-sectional area of the end beam body being less than the cross-sectional area of the extension beam.

8. A rice-gauge frame comprising a pair of oppositely disposed side members, a pair of cross members disposed between the pair of side members, and a pair of end members as defined in any one of claims 1-7 disposed at opposite ends of the pair of side members and connecting the pair of side members to form a closed structure.

9. The rice rail frame of claim 8 wherein the upper cover plates of a pair of side members are each provided with a transverse shock absorber mount and the pair of transverse shock absorber mounts are disposed diagonally symmetrically about the longitudinal axis of the frame.

10. A meter gauge bogie comprising a drive motor, a transmission, a wheel set and a meter gauge frame according to claim 8 or 9; the driving motor and the transmission device are respectively arranged on a motor installation seat and a transmission installation seat of the cross beam, the wheel set is arranged below the framework, and the axle box body of the wheel set is connected with the axle box positioning node installation seat of the side beam through a series of hanging.