CN219339456U

CN219339456U - Vehicle body traction connection structure and magnetic suspension train with same

Info

Publication number: CN219339456U
Application number: CN202223220238.4U
Authority: CN
Inventors: 李少伟; 王晓明; 毛凯; 赵明; 胡良辉; 沈胜兵
Original assignee: Casic Feihang Technology Research Institute of Casia Haiying Mechanical and Electronic Research Institute
Current assignee: Casic Feihang Technology Research Institute of Casia Haiying Mechanical and Electronic Research Institute
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-07-14
Anticipated expiration: 2032-11-30

Abstract

The utility model provides a vehicle body traction connection structure and a magnetic suspension train with the same, wherein the connection structure comprises a traction assembly and a connection assembly; the traction assembly comprises a connecting seat, a traction connecting piece, a damping pad, a locking piece and a damping pad; one end of the traction connecting piece is connected with the tractor, and the other end sequentially passes through the through holes of the body and the base plate of the towed vehicle; the vibration reduction pad is arranged between the traction connecting piece and the body of the towed vehicle and between the traction connecting piece and the connecting seat; the locking piece is connected with the other end of the traction connecting piece; the buffer cushion is arranged between the traction connecting piece and the cover plate; the coupling assembling includes two sets of connecting rods, and the one end of every connecting rod of group links to each other with the pterygoid lamina of corresponding side respectively, and the other end links to each other with the automobile body connecting piece of being pulled car, and every connecting rod of group all includes two at least force dispersion poles. The utility model can solve the problems that the traction connection structure in the prior art can not simultaneously meet the buffer requirement and the force transmission requirement and can not avoid local stress concentration in the traction process.

Description

Vehicle body traction connection structure and magnetic suspension train with same

Technical Field

The utility model relates to the technical field of vehicle body structure design, in particular to a vehicle body traction connection structure and a magnetic suspension train with the same.

Background

In the ultra-high speed magnetic levitation train system, the traction connection structure plays a role in transferring traction load between the tractor and the single levitation frame aircraft. In the connection process of the tractor and the single-suspension-frame aircraft, the collision generates larger instantaneous impact, the structural damage is easy to cause, the impact peak value is required to be reduced through the buffer device, and the better protection of the structure is realized. Since the body is of a thin plate structure, local stress concentrations can be caused if the body is directly connected to the traction structure.

The existing traction connection structure adopts simple buffer or rigid connection in the load transmission process, and is difficult to realize simultaneously when the buffer requirement and the force transmission requirement exist in the face of the requirement of bidirectional load transmission.

Disclosure of Invention

In order to solve one of the technical problems, the utility model provides a vehicle body traction connection structure and a magnetic levitation train with the same, which can solve the technical problems that the traction connection structure in the prior art cannot meet the buffering requirement and the force transmission requirement at the same time and cannot avoid local stress concentration in the traction process.

According to an aspect of the present utility model, there is provided a vehicle body traction connection structure including a traction assembly and a connection assembly;

the traction assembly comprises a connecting seat, a traction connecting piece, a damping pad, a locking piece and a damping pad; the connecting seat comprises a base plate, two wing plates respectively connected with two ends of the base plate and a cover plate connected with the side face of the base plate, wherein the base plate is provided with a through hole, the wing plates and the base plate are not positioned on the same horizontal plane, and a gap is formed between the cover plate and the base plate; one end of the traction connecting piece is connected with the tractor, and the other end sequentially passes through the body of the towed vehicle and the through hole of the substrate; the vibration reduction pad is arranged between the traction connecting piece and the body of the towed vehicle and between the traction connecting piece and the connecting seat; the locking piece is arranged in the gap and is connected with the other end of the traction connecting piece; the buffer cushion is arranged between the traction connecting piece and the cover plate;

the connecting assembly comprises two groups of connecting rods, one end of each group of connecting rods is connected with the wing plate on the corresponding side respectively, the other end of each group of connecting rods is connected with a body connecting piece of the towed vehicle, and each group of connecting rods comprises at least two force dispersing rods.

Preferably, a plurality of said force-distributing arms of each set are divergently disposed in a direction from the tractor to the towed vehicle.

Preferably, the angle between each set of two adjacent force-distributing bars is in the range 25 ° -50 °.

Preferably, the vibration reduction pad is of a circular boss structure, a circular end of the vibration reduction pad is arranged between the traction connecting piece and a body of the towed vehicle, and a boss end of the vibration reduction pad is arranged between the traction connecting piece and the connecting seat.

Preferably, the locking member is a nut, and the nut is in threaded connection with the traction connection member.

Preferably, the wing plate is connected with the force dispersion rod through bolts, pin shafts, buckles or welding.

Preferably, the traction connection is connected with the traction vehicle through bolts.

Preferably, the cover plate is of a C-shaped structure, and the C-shaped structure is reversely buckled on the substrate and is connected with the substrate.

Preferably, the connecting seat is a rigid connecting seat, and the traction connecting piece is a rigid traction connecting piece.

According to another aspect of the present utility model there is provided a magnetic levitation vehicle having a vehicle body traction connection structure, the magnetic levitation vehicle being a towed vehicle, the magnetic levitation vehicle comprising any of the connection structures described above.

By applying the technical scheme of the utility model, in the process of towing the trailer, load transmission is realized through the connecting seat, the towing connecting piece and the force dispersing rod; the vibration damping pad is used for realizing the buffer vibration isolation between the traction connecting piece and the body of the towed vehicle, effectively reducing the structural impact load, realizing the flexible connection state so as to avoid damaging the body in the driving process, and simultaneously, the vibration damping pad is used for realizing the buffer vibration isolation between the traction connecting piece and the connecting seat; the traction load is transmitted to the vehicle body connecting piece in a dispersed manner through the force dispersing rod, and the traction load bears the radial bending moment, so that the load is uniformly transmitted, the stress level of a bearing point is reduced, and the local stress concentration is avoided; the buffer cushion is used for buffering the load in the collision process, so that the local damage to the structure in the collision process is reduced. Compared with the prior art, the connecting structure not only can realize forward load transmission and connection buffering, but also can realize backward connection buffering, and the load is uniformly transmitted to the dispersed supporting parts through the force dispersing rods.

Drawings

The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model. It is evident that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

FIG. 1 shows a schematic structural view of a vehicle body traction connection structure provided in accordance with an embodiment of the present utility model;

FIG. 2 illustrates a schematic perspective view of a traction assembly of the vehicle body traction connection of FIG. 1;

FIG. 3 illustrates a schematic plan view of a traction assembly of the vehicle body traction connection of FIG. 1;

FIG. 4 shows a schematic cross-sectional view of the traction assembly of FIG. 3 taken along the direction A-A;

FIG. 5 illustrates a schematic perspective view of a vibration dampening shoe of the traction device of FIG. 2;

FIG. 6 is a schematic illustration of the connection of the traction assembly of the vehicle body traction connection of FIG. 1 to a towed vehicle;

fig. 7 shows a schematic view of the connection assembly of the body traction connection of fig. 1 to a towed vehicle.

Wherein the above figures include the following reference numerals:

10. a traction assembly; 11. a connecting seat; 111. a substrate; 112. a wing plate; 113. a cover plate;

12. traction connection; 13. a vibration damping pad; 14. a locking member; 15. a cushion pad;

20. a connection assembly; 21. a force-dispersing lever; 30. a vehicle body; 40. a vehicle body connection.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. 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.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

As shown in fig. 1-7, the present utility model provides a vehicle body traction connection structure comprising a traction assembly 10 and a connection assembly 20;

the traction assembly 10 comprises a connecting seat 11, a traction connecting piece 12, a damping pad 13, a locking piece 14 and a damping pad 15; the connecting seat 11 comprises a base plate 111, two wing plates 112 respectively connected with two ends of the base plate 111, and a cover plate 113 connected with the side surface of the base plate 111, wherein the base plate 111 is provided with a through hole, the wing plates 112 and the base plate 111 are not positioned on the same horizontal plane, and a gap is formed between the cover plate 113 and the base plate 111; one end of the traction connection piece 12 is connected with the tractor, and the other end sequentially passes through the body 30 of the towed vehicle and the through hole of the base plate 111; the vibration damping pad 13 is arranged between the traction connecting piece 12 and the body 30 of the towed vehicle and between the traction connecting piece 12 and the connecting seat 11; the locking piece 14 is arranged in the gap and is connected with the other end of the traction connecting piece 12; the cushion pad 15 is disposed between the traction connection 12 and the cover plate 113;

the connecting assembly 20 comprises two groups of connecting rods, one end of each group of connecting rods is respectively connected with the wing plate 112 on the corresponding side, the other end of each group of connecting rods is connected with the body connecting piece 40 of the towed vehicle, and each group of connecting rods comprises at least two force dispersing rods 21.

In the process of towing a trailer, the utility model realizes load transmission through the connecting seat 11, the towing connecting piece 12 and the force dispersion rod 21; the vibration damping pad 13 is used for realizing the buffer vibration isolation between the traction connecting piece 12 and the body 30 of the towed vehicle, so that the structural impact load is effectively reduced, the flexible connection state is realized, the damage to the body 30 in the driving process is avoided, and meanwhile, the vibration damping pad 13 is used for realizing the buffer vibration isolation between the traction connecting piece 12 and the connecting seat 11; the traction load is transmitted to the vehicle body connecting piece 40 in a dispersed way through the force dispersing rod 21, and the traction load bears radial bending moment, so that the load is uniformly transmitted, the stress level of a bearing point is reduced, and local stress concentration is avoided; the buffer cushion 15 realizes the load buffer during the collision process, and reduces the local damage to the structure during the collision process. Compared with the prior art, the connecting structure not only can realize forward load transmission and connection buffering, but also can realize backward connection buffering, and the load is uniformly transmitted to the dispersed supporting parts through the force dispersing rods 21.

Wherein, the forward direction is the traveling direction in the traction process, and the backward direction is the direction opposite to the traveling direction.

Further, in the present utility model, as shown in fig. 1, the force dispersing rods 21 of each group are arranged in a divergent manner along the direction from the tractor to the towed vehicle, and at this time, the force dispersing rods 21 bear radial bending moment, so that load is uniformly transferred, the stress level of the bearing point is reduced, and local stress concentration is avoided.

As a specific embodiment of the utility model, the angle between each set of two adjacent force-distributing bars 21 is in the range of 25 ° -50 ° in order to optimize the load-distributing effect.

In addition, in the present utility model, as shown in fig. 5, for convenience of installation, the vibration-damping pad 13 has a circular boss structure, the circular end of the vibration-damping pad 13 is disposed between the traction connection member 12 and the body 30 of the towed vehicle, that is, the circular end is sleeved on the outer surface of the traction connection member 12, and the boss end of the vibration-damping pad 13 is disposed between the traction connection member 12 and the connection seat 11.

As an embodiment of the present utility model, the locking member 14 is a nut that is threaded with the traction connection 12.

As an embodiment of the present utility model, the wing plate 112 is connected to the force dispersing bar 21 by a bolt, a pin, a buckle, or a welding.

As an embodiment of the present utility model, the traction connection 12 is bolted to the tractor.

As an embodiment of the present utility model, as shown in fig. 2-4, the cover plate 113 has a "C" structure, and the "C" structure is inversely fastened to the base plate 111 and connected to the base plate 111. In the event of a crash, impact loads are generated, and the provision of the cover plate 113 prevents the traction connection 12 from moving rearward under the impact loads, while the cushion pad 15 effects cushioning.

As an embodiment of the present utility model, the connection base 11 is a rigid connection base and the traction connection member 12 is a rigid traction connection member for good structural rigidity.

The utility model also provides a magnetic suspension train with the train body traction connection structure, the magnetic suspension train is a towed vehicle, and the magnetic suspension train comprises any one of the connection structures.

In summary, the utility model provides a vehicle body traction connection structure and a maglev train with the same, wherein in the process of towing a trailer, load transmission is realized through a connection seat 11, a traction connection piece 12 and a force dispersion rod 21; the vibration damping pad 13 is used for realizing the buffer vibration isolation between the traction connecting piece 12 and the body 30 of the towed vehicle, so that the structural impact load is effectively reduced, the flexible connection state is realized, the damage to the body 30 in the driving process is avoided, and meanwhile, the vibration damping pad 13 is used for realizing the buffer vibration isolation between the traction connecting piece 12 and the connecting seat 11; the traction load is transmitted to the vehicle body connecting piece 40 in a dispersed way through the force dispersing rod 21, and the traction load bears radial bending moment, so that the load is uniformly transmitted, the stress level of a bearing point is reduced, and local stress concentration is avoided; the buffer cushion 15 realizes the load buffer during the collision process, and reduces the local damage to the structure during the collision process. Compared with the prior art, the connecting structure not only can realize forward load transmission and connection buffering, but also can realize backward connection buffering, and the load is uniformly transmitted to the dispersed supporting parts through the force dispersing rods 21.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A vehicle body traction connection structure, characterized by comprising a traction assembly (10) and a connection assembly (20);

the traction assembly (10) comprises a connecting seat (11), a traction connecting piece (12), a damping pad (13), a locking piece (14) and a damping pad (15); the connecting seat (11) comprises a base plate (111), two wing plates (112) respectively connected with two ends of the base plate (111) and a cover plate (113) connected with the side face of the base plate (111), wherein a through hole is formed in the base plate (111), the wing plates (112) and the base plate (111) are not located on the same horizontal plane, and a gap is formed between the cover plate (113) and the base plate (111); one end of the traction connecting piece (12) is connected with the tractor, and the other end sequentially passes through the body (30) of the towed vehicle and the through hole of the base plate (111); the vibration reduction pad (13) is arranged between the traction connecting piece (12) and a body (30) of the towed vehicle and between the traction connecting piece (12) and the connecting seat (11); the locking piece (14) is arranged in the gap and is connected with the other end of the traction connecting piece (12); the buffer pad (15) is arranged between the traction connecting piece (12) and the cover plate (113);

the connecting assembly (20) comprises two groups of connecting rods, one end of each group of connecting rods is connected with the wing plate (112) on the corresponding side respectively, the other end of each group of connecting rods is connected with the body connecting piece (40) of the towed vehicle, and each group of connecting rods comprises at least two force dispersing rods (21).

2. The vehicle body traction connection according to claim 1, wherein a plurality of the force-distributing stems (21) of each group are arranged divergently in a direction from the tractor to the towed vehicle.

3. The vehicle body traction connection according to claim 2, characterized in that the angle between each set of adjacent two of the force-distributing bars (21) is in the range of 25 ° -50 °.

4. A vehicle body traction connection structure according to any one of claims 1-3, characterized in that the vibration-damping pad (13) is a circular boss structure, the circular end of the vibration-damping pad (13) is arranged between the traction connection piece (12) and the vehicle body (30) of the towed vehicle, and the boss end of the vibration-damping pad (13) is arranged between the traction connection piece (12) and the connection seat (11).

5. The vehicle body traction connection according to claim 1, wherein the locking member (14) is a nut that is threadedly coupled to the traction connection member (12).

6. The vehicle body traction connection according to claim 1, characterized in that the wing plate (112) and the force dispersion bar (21) are connected by means of bolts, pins, snaps or welding.

7. The vehicle body traction connection according to claim 1, characterized in that the traction connection (12) is bolted to the tractor.

8. The vehicle body traction connection structure according to claim 1, wherein the cover plate (113) is of a "C" type structure, and the "C" type structure is inversely fastened to the base plate (111) and connected to the base plate (111).

9. A vehicle body traction connection according to any one of claims 1-3, characterized in that the connection seat (11) is a rigid connection seat and the traction connection (12) is a rigid traction connection.

10. A magnetic levitation vehicle having a vehicle body traction connection structure, characterized in that the magnetic levitation vehicle is a towed vehicle, the magnetic levitation vehicle comprising the vehicle body traction connection structure as defined in any of claims 1 to 9.