CN215883662U

CN215883662U - Buffering assembly and bogie

Info

Publication number: CN215883662U
Application number: CN202121990828.8U
Authority: CN
Inventors: 孟云; 周志勇; 逯津杰; 陈小花; 孟少峰; 任宁; 魏业真; 康锋
Original assignee: Jinxi Railway Vehicle Co ltd
Current assignee: Jinxi Railway Vehicle Co ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-02-22
Anticipated expiration: 2031-08-19

Abstract

The utility model relates to the technical field of railway vehicles, in particular to a buffer assembly and a bogie. The buffer assembly comprises at least two beam structures, a connecting assembly and at least two side bearing structures, the connecting assembly is connected with the two beam structures respectively to form the side bearing structures which are located between the two beam structures, the two side bearing structures are located on two sides of the length direction of the beam structures respectively, the first end of each side bearing structure is connected with the connecting assembly, and the second end part of each side bearing structure extends out of the beam structure to be connected with a vehicle body. According to the utility model, two side bearing structures are fixed on the beam structure through the connecting assembly, and the side bearing structures can respectively support the left side and the right side of the vehicle body, so that when the vehicle turns left, the force on the right side of the vehicle body is provided through the side bearing structure positioned on the right side of the vehicle, and the gravity center offset of the vehicle is overcome; when the vehicle turns to the right, the side bearing structure on the right side of the vehicle provides upward force to the right side of the vehicle body, the gravity center deviation of the vehicle is overcome, and the running safety of the vehicle is ensured.

Description

Buffering assembly and bogie

Technical Field

The utility model relates to the technical field of railway vehicles, in particular to a buffer assembly and a bogie.

Background

Along with the vigorous demand of the tourist market, the sightseeing vehicle on the seat gradually forms a new fashion, when the rail sightseeing vehicle turns to, the gravity center of the rail sightseeing vehicle can shift, especially when the rail sightseeing vehicle is loaded greatly, the gravity center shift is easy to cause side turning when turning, and the safety of passengers is not easy to guarantee.

SUMMERY OF THE UTILITY MODEL

The utility model solves the problem of how to ensure the safe operation of the rail sightseeing bus and prevent the rail sightseeing bus from turning over when the rail sightseeing bus turns.

In order to solve the above problems, the present invention provides a buffer assembly, which includes at least two cross beam structures, a connection assembly, and at least two side bearing structures, wherein the connection assembly is respectively connected to the two cross beam structures, the side bearing structure is located between the two cross beam structures, the two side bearing structures are respectively located at two sides of the cross beam structure in the length direction, a first end of the side bearing structure is connected to the connection assembly, and a second end of the side bearing structure is suitable for being connected to a vehicle body.

Optionally, the connecting assembly comprises at least four first connecting pieces and a bottom plate, two opposite ends of each first connecting piece are respectively connected with the beam structure and the bottom plate, two opposite sides of the bottom plate are respectively provided with at least two first connecting pieces, and a first end of the side bearing structure is connected with the bottom plate.

Optionally, the first connecting piece includes a connecting seat and a connecting rod, the connecting seat is connected with the beam structure, and two opposite ends of the connecting rod are respectively connected with the connecting seat and the bottom plate.

Optionally, the connecting assembly further includes at least two second connecting members, opposite ends of the second connecting members are connected to the two first connecting members, respectively, and the second connecting members are located below the bottom plate.

Optionally, the two second connectors are symmetrical about the center of the two beam structures.

Optionally, the connecting seat includes a first connecting plate and a second connecting plate, the beam structure is located between the first connecting plate and the second connecting plate, the beam structure is connected with the first connecting plate and the second connecting plate respectively, and the connecting rod is located between the first connecting plate and the second connecting plate and connected with the first connecting plate and the second connecting plate respectively.

Optionally, the side bearing structure includes a side bearing body and an elastic member, two opposite ends of the elastic member are respectively connected with the side bearing body and the connecting assembly, and a side surface of the side bearing body, which is far away from the elastic member, is suitable for being connected with a vehicle body.

Optionally, the bottom plate and the side bearing body are provided with limiting protruding structures, and two ends of the elastic part are respectively in limiting fit with the limiting protruding structures.

Optionally, the cushioning assembly further comprises a guard member, two ends of the guard member are respectively connected with one of the cross beam structures, and the base plate is located above the guard member.

Compared with the prior art, the buffer assembly has the beneficial effects that:

the two side bearing structures are fixed on the beam structure through the connecting assembly, the side bearing structures can respectively support the left side and the right side of the vehicle body, and the force on the right side of the vehicle body is provided through the side bearing structure positioned on the right side of the vehicle when the vehicle turns left, so that the gravity center of the vehicle is prevented from shifting right; when the vehicle turns to the right, the side bearing structure on the right side of the vehicle provides upward force to the right side of the vehicle body, the gravity center of the vehicle is overcome to shift leftwards, and the running safety of the vehicle is ensured.

The utility model also provides a bogie comprising a cushioning assembly as described above.

The advantages of the bogie provided by the present invention over the prior art are the same as the advantages of the above-described cushioning assembly over the prior art and will not be described herein again.

Drawings

FIG. 1 is a schematic structural diagram of a buffer assembly according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of another embodiment of a cushioning assembly of the present invention;

FIG. 3 is a schematic structural diagram of another embodiment of a cushioning assembly of the present invention;

fig. 4 is a schematic structural diagram of an embodiment of the bogie of the present invention.

Description of reference numerals:

43-beam structure; 46-a connecting assembly; 461-first connecting member; 4611-a connecting seat; 4612-connecting rod; 4613-a first connection plate; 4614-a second connecting plate; 4615 — a first card edge structure; 4616 — a second card edge structure; 462-a backplane; 463-a second connection; 47-side bearing configuration; 471-a side bearing body; 472-an elastic member; 473-limit raised structures; 48-guard.

Detailed Description

The terms "mounted," "connected," and "coupled" are to be construed broadly and may include, for example, a fixed connection, a removable connection, or a rotatable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

The terms "first" and "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

As shown in fig. 1 to 3, an embodiment of the present invention provides a cushion assembly, where the cushion assembly includes at least two cross beam structures 43, a connection assembly 46, and at least two side bearing structures 47, the connection assembly 46 is respectively connected to the two cross beam structures 43, the side bearing structure 47 is located between the two cross beam structures 43, the two side bearing structures 47 are respectively located at two sides of the cross beam structures 43 in a length direction, a first end of the side bearing structure 47 is connected to the connection assembly 46, and a second end of the side bearing structure 47 is adapted to be connected to a vehicle body.

The connecting assembly 46 can fix the side bearing structure 47, the side bearing structure 47 is fixed on the two beam structures 43 through the connecting assembly 46, and the connecting assembly 46 and the beam structures 43 can be connected through bolts so as to be convenient to detach. Side bearing structures 47 may provide cushioning to the vehicle, and the number of side bearing structures 47 may be two, three, four, etc. For example, when the rail vehicle is turned, the center of gravity of the rail vehicle can be shifted due to the turning of the rail vehicle, if the side bearing structure 47 is not used for overcoming the shift of the center of gravity of the vehicle, the rail vehicle can have the risk of derailment or rollover and the like during the turning process, and the side bearing structure 47 is also suitable for being connected with the vehicle body so as to support the vehicle body when the vehicle body is shifted and prevent the center of gravity of the rail vehicle from being excessively shifted. The slewing damping between the bogie and the vehicle body can be increased through the side bearing structure 47, so that the snaking motion of the bogie and the vehicle body is effectively inhibited, the side rolling vibration of the vehicle body is restrained, the running stability and stability of the vehicle are improved, and the side rolling stability of the vehicle body on the bogie can be increased. Side bearing structure 47 is located between two crossbeam structures 43, and two crossbeam structures 43 can retrain side bearing structure 47's position, prevents that side bearing structure 47 from producing rocking by a wide margin, ensures its reliability for overcoming the vehicle focus skew that leads to when rail vehicle turns to. The side bearing structure 47 itself may be made of an elastic material, or may be provided with a spring or the like to achieve elastic buffering. For example, when the rail vehicle is turning, such as left-hand turning, the center of gravity of the vehicle shifts to the right, the vehicle body may exert pressure on the side bearing structure 47 located on the right side of the vehicle body, the connecting assembly 46 secures one end of the side bearing structure 47 relative to the vehicle frame, the other end of the side bearing structure 47 is compressed by the weight of the vehicle body, and after the compression, the side bearing structure 47 stores elastic potential energy to provide a force to the vehicle body in the direction opposite to the pressing direction to support the right side of the vehicle body. When the vehicle turns right, the gravity center of the vehicle deviates to the left, the vehicle body can generate pressure action on the side bearing structure 47 positioned on the left side of the vehicle body, the connecting assembly 46 ensures that one end of the side bearing structure 47 is fixed relative to the vehicle frame, the other end of the side bearing structure 47 is compressed by the weight of the vehicle body, the compressed side bearing structure 47 stores elastic potential energy, and force in the direction opposite to the pressing direction is provided for the vehicle body to support the left side of the vehicle body.

Two side bearing structures 47 are fixed on the cross beam structure 43 through the connecting assembly 46, the side bearing structures 47 can respectively support the left side and the right side of the vehicle body, and the force on the right side of the vehicle body is provided through the side bearing structure 47 positioned on the right side of the vehicle when the vehicle turns left, so that the gravity center of the vehicle is overcome to shift rightwards; when the vehicle turns to the right, the side bearing structure 47 on the right side of the vehicle provides upward force to the right side of the vehicle body, so that the gravity center of the vehicle is overcome to shift leftwards, and the running safety of the vehicle is ensured.

As shown in fig. 1 and 2, the connection assembly 46 includes at least four first connection members 461 and a bottom plate 462, opposite ends of the first connection members 461 are respectively connected to the beam structure 43 and the bottom plate 462, opposite sides of the bottom plate 462 are respectively provided with at least two first connection members 461, and a first end of the side bearing structure 47 is connected to the bottom plate 462. Every two first connecting members 461 are respectively connected with one of the beam structures 43, the two first connecting members 461 are respectively symmetrical with respect to the center of one of the beams, and the two first connecting members 461 are respectively located at two ends of the beam structure 43 in the length direction. Opposite ends of the base plate 462 are respectively fixed by two first connecting members 461 to provide upward pulling force to ensure the stability of the base plate 462, when the vehicle turns, the vehicle body applies downward pressure to the base plate 462 through the side bearing structure 47, and the first connecting members 461 provide opposite direction force to offset the center of gravity offset when the vehicle turns.

As shown in fig. 1 and 2, the first connecting member 461 includes a connecting base 4611 and a connecting rod 4612, the connecting base 4611 is connected to the cross member structure 43, and opposite ends of the connecting rod 4612 are respectively connected to the connecting base 4611 and the bottom plate 462. The connecting rod 4612 provides tension to the bottom plate 462 to prevent the bottom plate 462 from falling off, good stress of the bottom plate 462 can be guaranteed through the connecting rod 4612, the bottom plate is guaranteed to be fixed, meanwhile, the height of the vehicle in the vertical direction can be reduced, the center of gravity is lowered, and the probability of rollover of the vehicle is reduced. And when disassembly is required, the connection assembly 46 and the side bearing structure 47 can be integrally disassembled by detaching the connection base 4611 from the cross beam structure 43.

As shown in fig. 2, the connecting assembly 46 further includes at least two second connecting members 463, opposite ends of the second connecting members 463 are respectively connected to the two first connecting members 461, and the second connecting members 463 are located below the base plate 462. The second connecting element 463 plays a role of supporting the base plate 462, the second connecting element 463 and the base plate 462 can be connected by bolts, which is convenient for disassembly and replacement, and the two opposite ends of the second connecting element 463 are respectively connected with the first connecting element 461, providing upward pulling force for the base plate 462, so as to realize the good fixation of the base plate 462.

As shown in fig. 1 and 2, the two second connecting pieces 463 are symmetrical with respect to the centers of the two beam structures 43. The two second connecting pieces 463 which are symmetrically arranged can ensure the stability of fixing the bottom plate 462, and when the vehicle turns left or right, the two second beam structures 43 which are symmetrically arranged can respectively support the right side or the left side of the bottom plate 462 through the first connecting pieces 461, so that the stress of the bottom plate 462 is ensured to be uniform.

As shown in fig. 1, the connecting base 4611 includes a first connecting plate 4613 and a second connecting plate 4614, the beam structure 43 is located between the first connecting plate 4613 and the second connecting plate 4614, the beam structure 43 is connected to the first connecting plate 4613 and the second connecting plate 4614, respectively, and the connecting rod 4612 is located between the first connecting plate 4613 and the second connecting plate 4614 and connected to the first connecting plate 4613 and the second connecting plate 4614, respectively. Through holes can be correspondingly formed in the first connecting plate 4613, the second connecting plate 4614 and the beam structure 43, and bolts can sequentially penetrate through the through holes to connect the first connecting plate 4613, the second connecting plate 4614 and the beam structure 43 together, so that the connection strength between the connecting seat 4611 and the beam structure 43 is guaranteed. When disassembly is required, the connecting rods 4612 connected to the first connecting plate 4613 and the second connecting plate 4614 may be removed together to effect removal of the cushioning structure by removing the bolts to effect removal of the connecting base 4611 from the cross beam structure 43. First connecting plate 4613 may be provided with first card edge structure 4615, second connecting plate 4614 may be provided with second card edge structure 4616, and first card edge structure 4615 and second card edge structure 4616 respectively attach to the upper surface of beam structure 43. When the first connecting plate 4613 and the second connecting plate 4614 are under a downward pulling force, the first rim structure 4615 and the second rim structure 4616 can provide a certain supporting force, so that the force borne by the bolt can be shared, and the strength between the structures can be ensured during long-term use.

As shown in fig. 1 to 3, the side bearing structure 47 includes a side bearing body 471 and an elastic member 472, opposite ends of the elastic member 472 are respectively connected to the side bearing body 471 and the connecting assembly 46, and a side surface of the side bearing body 471, which is away from the elastic member 472, is adapted to be connected to a vehicle body. The side support body 471 can move along the axial direction of the elastic member 472, the elastic member 472 can be a spring, when the vehicle turns, the gravity center of the vehicle can shift, the pressure applied to the side support body 471 is increased, and the side support body 471 generates a movement tendency of compressing the spring towards the bottom plate 462. After the spring is compressed, the spring can provide the power of opposite direction in order to support the automobile body, prevents the excessive skew of the focus of automobile body, and the vehicle produces and turns on one's side, ensures the reliability of vehicle operation. The two side supporting bodies 471 and the two elastic members 472 are respectively located at opposite sides of the bottom of the vehicle body, and when the vehicle turns left, the center of gravity of the vehicle body shifts to the right, and the pressure of the vehicle body to the right is greater than that of the left. At this time, the pressure applied to the side bearing body 471 positioned on the right side of the vehicle body is increased, the spring is compressed, and after the spring is elastically deformed, the spring provides a directional force for the side bearing body 471 to support the side bearing body 471, so as to prevent the vehicle body from moving excessively to the right side to cause side rollover. When the vehicle turns right, the center of gravity of the vehicle body shifts to the left, and the pressure of the vehicle body to the left thereof is greater than that to the right. At this time, the pressure applied to the side bearing body 471 positioned on the left side of the vehicle body is increased, the spring is compressed, and after the spring is elastically deformed, the spring provides a directional force for the side bearing body 471 to support the side bearing body 471, so as to prevent the vehicle body from being excessively moved to the left side to cause rollover.

As shown in fig. 1 and fig. 2, the bottom plate 462 and the side support 471 are provided with a limiting protrusion structure 473, and both ends of the elastic element 472 are respectively in limiting fit with the limiting protrusion structure 473. The spring can also be arranged in the limiting protruding structure 473, a containing groove can be formed in the limiting protruding structure 473, the circumferential surface of the end portion of the spring is attached to the circumferential inner surface of the containing groove, the positioning of the spring in the horizontal direction is achieved, and the end portion of the spring is prevented from being dislocated in the horizontal direction when the spring is compressed.

As shown in fig. 1 and 2, the buffering assembly further includes a shielding member 48, two ends of the shielding member 48 are respectively connected to one of the cross beam structures 43, and the base plate 462 is located above the shielding member 48. The protection member 48 may be U-shaped, and the protection member 48 is used to support the bottom plate 462 of the supporting plate, thereby performing a secondary protection function, and when the connection strength between the connecting rod 4612 and the connecting base 4611 is reduced and the connection fails, the protection member 48 can support the bottom plate 462 to prevent it from falling.

Another embodiment of the present invention, as shown in fig. 4, provides a truck including a cushioning assembly as described above. The bogie has the same beneficial effects as the buffer assembly, and the details are not repeated herein.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to be within the scope of the present disclosure.

Claims

1. The utility model provides a buffering subassembly, its characterized in that includes two at least crossbeam structures (43), coupling assembling (46) and two at least side bearing structures (47), coupling assembling (46) respectively with two crossbeam structure (43) are connected, side bearing structure (47) are located two between crossbeam structure (43), two side bearing structure (47) are located respectively the length direction both sides of crossbeam structure (43), the first end of side bearing structure (47) with coupling assembling (46) are connected, the second end of side bearing structure (47) is suitable for with the car body coupling.

2. The cushion assembly according to claim 1, wherein the connecting assembly (46) comprises at least four first connecting members (461) and a base plate (462), opposite ends of the first connecting members (461) are connected to the beam structure (43) and the base plate (462), respectively, opposite sides of the base plate (462) are provided with at least two first connecting members (461), respectively, and a first end of the side bearing structure (47) is connected to the base plate (462).

3. The damping assembly according to claim 2, characterized in that the first connection member (461) comprises a connection seat (4611) and a link (4612), the connection seat (4611) being connected with the beam structure (43), opposite ends of the link (4612) being connected with the connection seat (4611) and the floor (462), respectively.

4. The damping assembly according to claim 2, wherein the connecting assembly (46) further comprises at least two second connecting members (463), opposite ends of the second connecting members (463) being connected to the two first connecting members (461), respectively, the second connecting members (463) being located below the base plate (462).

5. The bumper assembly of claim 4, wherein the two second connectors (463) are symmetrical about the center of the two beam structures (43).

6. The cushion assembly of claim 3, wherein the connecting base (4611) comprises a first connecting plate (4613) and a second connecting plate (4614), the beam structure (43) is located between the first connecting plate (4613) and the second connecting plate (4614), the beam structure (43) is connected with the first connecting plate (4613) and the second connecting plate (4614), respectively, and the link (4612) is located between the first connecting plate (4613) and the second connecting plate (4614) and is connected with the first connecting plate (4613) and the second connecting plate (4614), respectively.

7. The cushion assembly according to claim 2, wherein the side bearing structure (47) comprises a side bearing body (471) and an elastic member (472), opposite ends of the elastic member (472) are respectively connected with the side bearing body (471) and the connecting assembly (46), and a side surface of the side bearing body (471) far away from the elastic member (472) is suitable for being connected with a vehicle body.

8. The buffer assembly according to claim 7, wherein the bottom plate (462) and the side support body (471) are provided with limiting protrusion structures (473), and both ends of the elastic member (472) are respectively in limiting fit with the limiting protrusion structures (473).

9. The bumper assembly of claim 2, further comprising a guard member (48), each end of the guard member (48) being connected to one of the beam structures (43), the base plate (462) being positioned above the guard member (48).

10. A bogie comprising a cushioning assembly according to any one of claims 1 to 9.