CN219989224U - A-type vehicle bogie and A-type vehicle - Google Patents

Abstract

The utility model provides an A-type vehicle bogie and an A-type vehicle, wherein the A-type vehicle bogie comprises: a frame, a suspension, and a wheel set; the framework comprises a cross beam and two side beams; the cross beam is transversely arranged; the two side beams are respectively arranged on two sides of the cross beam, and the side beams are longitudinally arranged; the cross beam and the side beam are both of box-shaped structures; the suspension and the wheel set are arranged on the frame. According to the A-type vehicle bogie and the A-type vehicle, the cross beams and the side beams are of the box-type structures, the stress area of the connecting area can be increased when the cross beams are connected with the side beams, and the bending-resistant section coefficient is increased, so that the overall strength and the bearing capacity of the framework can be improved, larger traction load or motor load can be borne, and a structural foundation is provided for improving the running speed of the vehicle.

Description

A-type vehicle bogie and A-type vehicle

Technical Field

The utility model relates to the technical field of rail transit vehicles, in particular to an A-type vehicle bogie and an A-type vehicle.

Background

Modern urban rail transit vehicles are generally classified as A, B, C and the like. Compared with B, C type vehicles, the A type vehicle has larger passenger capacity, and can more effectively relieve urban traffic pressure. Aiming at the characteristics of high economic level, large urban population and large passenger flow of some large cities, the public rail transit system of the large urban mass transit system is urgently required for a plurality of A-type subway vehicles with larger transport capacity and faster speed so as to relieve the pressure of the A-type subway vehicles.

The bogie of the existing A-type vehicle is limited by the structure, the overall strength and the bearing capacity of the bogie are general, so that the running speed of the bogie of the existing A-type vehicle is generally only 80km/h, and the rapid development of the existing urban rail transit is difficult to meet.

Disclosure of Invention

In order to solve the above problems, an object of an embodiment of the present utility model is to provide an a-type vehicle bogie and an a-type vehicle.

In a first aspect, an embodiment of the present utility model provides an a-type vehicle bogie comprising: the framework comprises a cross beam and two side beams;

the cross beam is transversely arranged; the two side beams are respectively arranged on two sides of the cross beam, and the side beams are longitudinally arranged;

the cross beam and the side beam are both of box-shaped structures;

the suspension and the wheel set are arranged on the frame.

In one possible implementation, the frame further comprises a motor sling mount;

the upper end and the lower end of the motor hanging seat are respectively connected with the upper cover plate and the lower cover plate of the cross beam, and a U-shaped rib is arranged in the middle of the motor hanging seat.

In one possible implementation, the suspension device comprises a secondary suspension device, and the secondary suspension device comprises an anti-hunting damper;

the framework also comprises an anti-snake vibration absorber mounting seat for mounting the anti-snake vibration absorber;

the anti-meandering shock absorber mounting seat is arranged at the middle position of the outer side of the side beam, and reinforcing ribs are arranged at the positions, corresponding to the anti-meandering shock absorber mounting seat, inside the side beam.

In one possible implementation, the anti-hunting damper mount is a butterfly forging.

In one possible implementation manner, a threaded hole is formed in the angular position of the anti-snake vibration damper mounting seat, and a limit groove is formed in the middle position;

the connecting seat for connecting the anti-meandering vibration damper mounting seat is provided with a limiting boss, and the limiting boss is consistent with the limiting groove in size.

In one possible implementation, the secondary suspension device further includes a secondary vertical shock absorber, and the frame further includes a secondary vertical shock absorber mount for mounting the secondary vertical shock absorber;

the secondary vertical shock absorber mounting seat comprises a mounting plate and a reinforcing rib plate;

the mounting plate is horizontally arranged and connected with the side beams; the reinforcing rib plates are vertically arranged and connected with the side beams and the mounting plate.

In one possible implementation, the suspension device comprises a train suspension device;

the primary suspension device is of a rotary arm type axle box positioning structure, and the spring group in the primary suspension device is a double-coil spiral steel spring group.

In one possible implementation, the wheel set is provided with a noise-reducing damping ring.

In one possible implementation, the method further includes: a solid rim lubrication device; the solid rim lubrication device is arranged at the end part of the side beam.

In a second aspect, an embodiment of the present utility model further provides an a-type vehicle, including: a bogie as described above.

In the solution provided in the first aspect of the embodiment of the present utility model, the side beams are of a box structure, and the cross beams are also of a box structure, that is, the cross beams and the side beams are both of a box structure, so that the stress area of the connection area can be increased and the bending-resistant section coefficient is increased when the cross beams are connected with the side beams, thereby improving the overall strength and the bearing capacity of the framework, being capable of bearing larger traction load or motor load, and providing a structural foundation for improving the running speed of the vehicle. By arranging the rib plates and optimizing the corresponding suspension devices and the like, the maximum axle weight and the maximum speed of the bogie can be ensured to be improved; the running speed of the traditional bogie is generally only 80km/h, the axle weight is 16t, and the running speed of the A-type vehicle bogie provided by the embodiment of the utility model can reach 120km/h, and the axle weight is 17t.

In order to make the above objects, features and advantages of the present utility model more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

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

FIG. 1 illustrates an isometric view of a type A vehicle truck provided by an embodiment of the present utility model;

FIG. 2 illustrates an isometric view of a framework provided by an embodiment of the present utility model;

FIG. 3 is a partial block diagram of an anti-hunting damper mount according to an embodiment of the present utility model;

FIG. 4 is a block diagram of an anti-hunting damper according to an embodiment of the present utility model;

fig. 5 shows another isometric view of the framework provided by an embodiment of the present utility model.

Reference numerals illustrate:

1. a frame; 11. a cross beam; 12. a side beam; 13. an anti-hunting damper mount; 131. a threaded hole; 132. a limit groove; 14. two-system vertical shock absorber mounting seats; 141. a mounting plate; 142. reinforcing rib plates; 15. a motor hanging seat; 21. a series of suspension devices; 22. a secondary suspension device; 221. anti-hunting vibration damper; 2211. a limit boss; 222. two-system vertical vibration dampers; 23. a wheel set; 24. a solid rim lubrication device; 25. a central traction device; 26. a foundation brake device; 27. a driving device.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The A-type vehicle bogie provided by the embodiment of the utility model has better strength and can be suitable for A-type vehicles. Referring to fig. 1, the a-type vehicle bogie includes: a frame 1, a suspension and a wheel set 23.

Referring to fig. 1 and 2, the frame 1 includes a cross member 11 and two side members 12; the cross beam 11 is transversely arranged; the two side members 12 are disposed on both sides of the cross member 11, respectively, and the side members 12 are disposed longitudinally to form an H-shaped structure. The cross member 11 and the side member 12 are both box-shaped, that is, the cross member 11 and the side member 12 each include upper and lower cover plates and a vertical plate between the upper and lower cover plates, thereby forming a box-shaped structure. Alternatively, as shown in fig. 2, the side members 12 may be of a box-type structure with a concave middle portion.

In addition to the frame 1, the a-type vehicle bogie further includes suspension devices such as a primary suspension device 21, a secondary suspension device 22, and a wheel set 23; the a-type vehicle bogie may further include a solid rim lubrication device 24, a central traction device 25, a foundation brake device 26, and the like, so as to be able to perform functions such as traction, braking, and the like required for the bogie. The frame 1 is a mounting base, and a primary suspension 21, a secondary suspension 22, a wheel set 23, and the like are mounted at corresponding positions of the frame 1.

In the traditional bogie, the cross beam of the framework is of a circular steel pipe structure, so that the contact area of the cross beam and a side beam is small, the bending-resistant section coefficient of the cross beam is small, and the overall strength of the framework is low. In the a-type vehicle bogie provided by the embodiment of the utility model, the side beams 12 are of a box structure, and the cross beams 11 are of a box structure, namely, the cross beams 11 and the side beams 12 are of box structures, so that the stress area of a connecting area can be increased and the bending-resistant section coefficient is increased when the cross beams 11 are connected with the side beams 12, thereby improving the overall strength and the bearing capacity of the framework 1, bearing larger traction load or motor load, and providing a structural foundation for improving the running speed of the vehicle. The running speed of the traditional bogie is generally only 80km/h, the axle weight is 16t, and the running speed of the A-type vehicle bogie provided by the embodiment of the utility model can reach 120km/h, and the axle weight is 17t.

It will be appreciated by those skilled in the art that in the embodiments of the present utility model, the arrangement orientations of the cross member 11, the side members 12, etc. are described by reference to "transverse" and "longitudinal" in the field of rail transit, which means that when the bogie is applied to a rail vehicle, the cross member 11, the side members 12, etc. need to be arranged in the respective transverse or longitudinal directions. Wherein the X-direction in fig. 2 represents the longitudinal direction and the Y-direction represents the transverse direction.

Alternatively, as shown in fig. 1, the suspension means comprises a series of suspension means 21. In order to increase the load-bearing capacity of the primary suspension device 21 and to increase the vehicle speed, the primary suspension device 21 has a swivel axle box positioning structure, and the spring group in the primary suspension device 21 is a double coil steel spring group. The load-bearing capacity of the primary suspension 21 can be enhanced by the double coil spring assembly.

Specifically, the primary suspension device 21 may include a double coil spring set, a rubber pad, a vertical oil pressure damper, a primary damper, a boom node, and the like. The outer sleeve of the swivel arm node is in interference fit with the swivel arm type axle box body, the mandrel is matched with a corresponding positioning seat on the framework 1 through a cylindrical surface and a lateral stop surface, and the positioning rigidity of the wheel set 23 is provided by a rubber pad in the middle. The double-coil spiral steel spring set, the rubber pad and the vertical oil pressure damper can relieve and attenuate vertical load and vibration. A buffer is provided for preventing spring compression. The stable and reliable rigidity can improve the vehicle, ensure the vehicle to reach the speed of 120km/h, and the adoption of the double-coil spiral steel spring group enhances the bearing capacity of the primary suspension device 21, so that the axle weight requirement of the vehicle 17t can be met.

Alternatively, as shown in FIG. 1, the suspension includes a secondary suspension 22, and the secondary suspension 22 includes an anti-roll damper 221. As shown in fig. 2, the frame 1 further includes an anti-hunting damper mount 13 for mounting the anti-hunting damper 221; the anti-hunting damper mount 13 is provided at a position in the middle of the outer side of the side member 12, and a reinforcing rib is provided in the side member 12 at a position corresponding to the anti-hunting damper mount 13.

In the embodiment of the utility model, the reinforcing ribs are arranged in the side beam 12 at the position where the side beam 12 is used for arranging the anti-meandering damper 221, namely at the position where the anti-meandering damper mounting seat 13 is arranged, so that the structural strength at the position can be improved.

In addition, the cross beam 11 and the side beam 12 are provided with various mounting structures for mounting other components, for example, a transverse buffer seat, a gear box hanging seat, a traction rod seat, a vertical stop and the like are welded on the cross beam 11, and a positioning seat, a secondary transverse shock absorber seat, a brake hanging seat and the like are welded on the side beam 12; reinforcing ribs can be arranged in the cross beam 11 and the side beam 12 at positions corresponding to the mounting structures, and the layout of the reinforcing ribs is better; the weak place of the conduction force line can improve the strength by adding the rib plates and optimizing the layout of the rib plates, so that the integral strength of the framework 1 can be ensured. In addition, in order to bear larger axle weight, the part of the framework 1 with larger stress adopts a forging structure, so that the requirement of 17t axle weight can be met.

Alternatively, fig. 3 is a partial structure diagram of the location of the anti-hunting damper mount 13, as shown in fig. 3, the anti-hunting damper mount 13 is a butterfly forging, that is, the anti-hunting damper mount 13 is a forging and has a butterfly shape. As shown in fig. 3, the structure at the four angular positions of the antivibration damper mount 13 is an outwardly convex structure. The butterfly forging type anti-meandering damper mounting seat 13 occupies small space and can ensure required strength.

Optionally, a threaded hole 131 is arranged at the angular position of the anti-meandering shock absorber mounting seat 13, and a limit groove 132 is arranged at the middle position; as shown in fig. 3, threaded holes 131 are formed at four angular positions of the anti-hunting damper mount 13, and the limiting grooves 132 are vertically disposed.

Also, fig. 4 shows a structure of the anti-hunting damper 221, as shown in fig. 4, a connection seat for connecting the anti-hunting damper mount 13 in the anti-hunting damper 221 is provided with a limit boss 2211, and the limit boss 2211 is in conformity with the limit groove 132 in size.

In the embodiment of the utility model, the anti-meandering damper 221 is arranged at the threaded hole 131 by using a bolt, so that the installation and the disassembly are convenient; when the anti-hunting damper 221 is not required to be installed, it can be quickly disassembled, ensuring that the vehicle can pass through some limited small road sections. And, with the spacing boss 2211 and the spacing groove 132 which are consistent in size, only a small gap exists between the spacing boss 2211 and the spacing groove, so that shearing force applied to the bolt can be relieved.

Optionally, referring to fig. 1 to 3, the secondary suspension device 22 further includes a secondary vertical damper 222, and the frame 1 further includes a secondary vertical damper mount 14, and the secondary vertical damper mount 14 is used for mounting the secondary vertical damper 222. As shown in fig. 3, the secondary vertical damper mounting base 14 includes a mounting plate 141 and a reinforcing rib plate 142; the mounting plate 141 is horizontally arranged and connected with the side beam 12; the reinforcing rib plate 142 is vertically disposed and connected to the side sill 12 and the mounting plate 141.

In the embodiment of the utility model, the horizontally arranged mounting plate 141 is used for mounting the secondary vertical vibration damper 222, and the reinforcing rib plate 142 is further arranged on the mounting plate 141, so that the stability of the mounting plate 141 can be ensured. Wherein, the number of the reinforcing rib plates 142 can be a plurality of; as shown in fig. 3, the number of reinforcing ribs 142 is two.

In addition, the secondary suspension device 22 may include a combination air spring, a height adjustment valve, an anti-roll torsion bar, a differential pressure valve, a secondary transverse oil pressure damper, etc. in addition to the anti-roll damper 221, the secondary vertical damper 222, to ensure safety, stability, and comfort of vehicle operation.

Optionally, the wheel set 23 is provided with a noise reducing damping ring. Specifically, the wheel set 23 may include a wheel, an axle, a noise reduction damping ring, and the like. The noise reduction damping ring is arranged on the inner side of the wheel rim; the axle is in interference fit with the wheels and is connected with the axle box through a bearing; the axle boxes of the wheel sets 23 are connected to the frame 1 by means of a suspension system 21. The embodiment utilizes the noise reduction damping ring, can improve damping, can attenuate vibration and improves vehicle comfort.

Optionally, referring to FIG. 1, the A-type vehicle truck further includes a solid rim lubrication device 24; solid rim lubrication devices 24 are provided at the ends of the side beams 12. For example, the solid rim lubrication device 24 is bolted to the ends of the side beams 12 to provide lubrication to the rim.

In addition, a central traction device 25 is provided at the intermediate position of the frame 1 and is connected to the vehicle body by a center pin; the central traction device 25 is used to transmit traction and braking forces between the vehicle body and the traction beam, which may be connected to the frame 1 by means of a Z-arranged traction rod. The foundation brake device 26 can be braked by a disc unit, and the brake clamp is a hanging brake clamp, so that the braking requirement of the vehicle under high-speed running can be met. The bogie may also be a power steering gear, which further comprises a drive device 27, wherein the drive device 27 may comprise two traction motors which are arranged anti-symmetrically.

Alternatively, referring to fig. 2 and 5, the frame 1 further includes a motor hanger 15, and the motor hanger 15 may be a forging; the upper and lower ends of the motor hanging seat 15 are respectively connected with the upper and lower cover plates of the cross beam 11, and a U-shaped rib is arranged in the middle of the motor hanging seat 15 so as to strengthen the strength of the motor hanging seat 15.

According to the bogie provided by the embodiment of the utility model, the side beams 12 are of the box-shaped structure, and the cross beams 11 are of the box-shaped structure, namely, the cross beams 11 and the side beams 12 are of the box-shaped structure, so that the stress area of a connecting area can be increased when the cross beams 11 are connected with the side beams 12, and the bending-resistant section coefficient is increased, thereby improving the overall strength and the bearing capacity of the framework 1, bearing larger traction load or motor load, and providing a structural foundation for improving the running speed of a vehicle. By arranging the rib plates and optimizing the corresponding suspension devices and the like, the maximum axle weight and the maximum speed of the bogie can be ensured to be improved; the operation speed of the traditional bogie is generally only 80km/h, the axle weight is 16t, and the operation speed of the bogie provided by the embodiment of the utility model can reach 120km/h, and the axle weight is 17t.

The embodiment of the utility model also provides an A-type vehicle, which comprises: the a-type vehicle bogie as provided in any one of the embodiments above.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art can easily think about variations or alternatives within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (9)

1. A type a vehicle bogie, comprising: a frame (1), a suspension device and a wheel set (23); the frame (1) comprises a cross beam (11) and two side beams (12);

the cross beam (11) is transversely arranged; the two side beams (12) are respectively arranged at two sides of the cross beam (11), and the side beams (12) are longitudinally arranged;

the cross beam (11) and the side beam (12) are of box-shaped structures;

the suspension and the wheel set (23) are arranged on the framework (1); the framework (1) further comprises a motor hanging seat (15);

the upper end and the lower end of the motor hanging seat (15) are respectively connected with the upper cover plate and the lower cover plate of the cross beam (11), and a U-shaped rib is arranged in the middle.

2. A type a vehicle bogie according to claim 1, characterized in that the suspension means comprises a secondary suspension means (22), and the secondary suspension means (22) comprises an anti-hunting damper (221);

the frame (1) further comprises an anti-hunting damper mount (13) for mounting the anti-hunting damper (221);

the anti-meandering shock absorber mounting seat (13) is arranged at the middle position of the outer side of the side beam (12), and a reinforcing rib is arranged at the position, corresponding to the anti-meandering shock absorber mounting seat (13), inside the side beam (12).

3. A type a vehicle bogie according to claim 2 wherein the anti-hunting damper mount (13) is a butterfly forging.

4. A type a vehicle bogie according to claim 3 wherein the anti-hunting damper mount (13) is provided with a threaded hole (131) at an angular position and a limit groove (132) at an intermediate position;

the connecting seat for connecting the anti-meandering shock absorber mounting seat (13) in the anti-meandering shock absorber (221) is provided with a limiting boss (2211), and the size of the limiting boss (2211) is consistent with that of the limiting groove (132).

5. A type a vehicle bogie as claimed in claim 2 wherein the secondary suspension device (22) further comprises a secondary vertical shock absorber (222), the frame (1) further comprising a secondary vertical shock absorber mount (14), the secondary vertical shock absorber mount (14) for mounting the secondary vertical shock absorber (222);

the secondary vertical shock absorber mounting seat (14) comprises a mounting plate (141) and a reinforcing rib plate (142);

the mounting plate (141) is horizontally arranged and connected with the side beam (12); the reinforcing rib plates (142) are vertically arranged and connected with the side beams (12) and the mounting plate (141).

6. A type a vehicle bogie according to claim 1, characterized in that the suspension means comprises a train suspension means (21);

the primary suspension device (21) is of a pivoted axle box positioning structure, and the spring group in the primary suspension device (21) is a double-coil spiral steel spring group.

7. A type a vehicle bogie according to claim 1, characterized in that the wheel set (23) is provided with a noise reducing damping ring.

8. The bogie of claim 1, further comprising: -solid rim lubrication means (24);

the solid rim lubrication device (24) is disposed at an end of the side beam (12).

9. A type a vehicle characterized by comprising: a type a vehicle bogie as claimed in any one of claims 1 to 8.