CN220842533U

CN220842533U - Cross beam, bogie and rail vehicle

Info

Publication number: CN220842533U
Application number: CN202322848804.4U
Authority: CN
Inventors: 许鑫; 吕建法; 李广全; 韩旭; 商佳园
Original assignee: CRRC Qingdao Sifang Co Ltd
Current assignee: CRRC Qingdao Sifang Co Ltd
Priority date: 2023-10-23
Filing date: 2023-10-23
Publication date: 2024-04-26
Anticipated expiration: 2033-10-23

Abstract

The utility model relates to the technical field of rail transit, and provides a cross beam, a bogie and a rail vehicle. The beam comprises a first cover plate, a second cover plate, a plurality of vertical plates and a pair of bent plates; the first cover plate and the second cover plate are oppositely arranged and are respectively provided with a perforation; the plurality of vertical plates are vertically fixed between the first cover plate and the second cover plate; the pair of bending plates are arranged on two sides of the first cover plate and the second cover plate; the plurality of vertical plates and the pair of bent plates form a weight reduction opening and a plurality of bearing cabins between the first cover plate and the second cover plate, the upper end of the weight reduction opening is connected with the perforation of the first cover plate, and the lower end of the weight reduction opening is connected with the perforation of the second cover plate. The beam, the bogie and the railway vehicle provided by the utility model have regular welding seams, good continuity, easiness in welding operation and easiness in controlling dimensional tolerance, and the weight reduction port and the plurality of bearing cabins formed by the beam meet the light weight requirement under the high bearing condition, and can be well matched with the bogie structure with large axle weight and long axle base.

Description

Cross beam, bogie and rail vehicle

Technical Field

The utility model relates to the technical field of rail transit, in particular to a cross beam, a bogie and a rail vehicle.

Background

The cross beam in the railway vehicle is an important part forming the bogie, two ends of the cross beam are connected with a pair of side beams of the bogie, and the structural strength and the weight of the cross beam have great influence on the structural strength and the weight of the whole bogie. For the requirements of different vehicle types, the structure and the size of the bogie are also required to be designed differently.

The existing cross beam can be better suitable for the trucks of common size vehicle types, but the large axle weight and long axle base truck structure required by larger vehicle types cannot be well adapted, specifically, the large axle weight and long axle base truck needs the corresponding increase in the size of the cross beam and ensures high bearing capacity, the original cross beam structural form can cause the increase of more weight, the complexity and welding amount of welding seams are increased, and the dimensional tolerance cannot be easily controlled.

Disclosure of utility model

The utility model provides a cross beam, a bogie and a railway vehicle, which are used for solving the problem that the cross beam cannot be well adapted to a bogie structure with large axle weight and long axle distance required by a large vehicle type in the prior art.

The utility model provides a cross beam, which comprises a first cover plate, a second cover plate, a plurality of vertical plates and a pair of bent plates, wherein the first cover plate is arranged on the first cover plate;

The first cover plate and the second cover plate are oppositely arranged, and the first cover plate and the second cover plate are respectively provided with a perforation;

The plurality of vertical plates are vertically fixed between the first cover plate and the second cover plate;

The pair of bending plates are arranged on two sides of the first cover plate and the second cover plate and are fixedly connected with the first cover plate and the second cover plate respectively;

The plurality of vertical plates and the pair of bent plates form a weight reduction port and a plurality of bearing cabins between the first cover plate and the second cover plate, the upper end of the weight reduction port is connected with the perforation of the first cover plate, and the lower end of the weight reduction port is connected with the perforation of the second cover plate.

According to the cross beam provided by the utility model, the plurality of bearing cabins comprise a pair of first bearing cabins and a pair of second bearing cabins, the pair of first bearing cabins are arranged on the outer sides of two opposite sides of the weight reducing port, and the pair of second bearing cabins are arranged on the outer sides of the other two opposite sides of the weight reducing port.

According to the beam provided by the utility model, the plurality of vertical plates comprise a pair of transverse vertical plates, a plurality of longitudinal vertical plates and a plurality of connecting plates; the pair of transverse vertical plates are oppositely arranged; the plurality of longitudinal risers are connected between the pair of transverse risers; the pair of bending plates are arranged outside the pair of transverse vertical plates, the plurality of connecting plates are arranged outside the pair of transverse vertical plates and are positioned inside the pair of bending plates, and two ends of the plurality of connecting plates are connected with the corresponding transverse vertical plates and the corresponding bending plates; the pair of transverse vertical plates, the plurality of longitudinal vertical plates and the plurality of connecting plates are fixedly connected with the first cover plate and the second cover plate.

According to the present utility model, there is provided a cross beam, the plurality of longitudinal risers including a pair of first longitudinal risers and a pair of second longitudinal risers;

The pair of first longitudinal vertical plates are oppositely arranged at two sides of the weight-reducing opening and form two opposite side walls in the transverse direction of the weight-reducing opening;

The pair of second longitudinal vertical plates are respectively arranged at two sides of the pair of first longitudinal vertical plates in the transverse direction and are connected with the ends of the first cover plate and the second cover plate.

According to the cross beam provided by the utility model, the two ends of the second longitudinal vertical plate are respectively connected with the pair of transverse vertical plates, and the ends of the pair of transverse vertical plates extend to the outer sides of the second longitudinal vertical plate, the first cover plate and the second cover plate.

According to one of the present utility model, at least part of the plurality of longitudinal risers and the plurality of connection plates is provided with a first lightening hole.

According to the present utility model, there is provided a cross beam, further comprising:

the pair of transverse stop seats are respectively arranged at the outer sides of the pair of bending plates and are fixedly connected with the corresponding bending plates;

The motor lifting seats are arranged on the outer sides of the pair of bending plates, and second lightening holes are formed in the connecting positions of the motor lifting seats and the corresponding bending plates.

the plurality of integral lifting seats are arranged on the vertical plate and are suitable for being connected with a vehicle body.

The utility model also provides a bogie, which comprises a pair of side beams and the cross beam, wherein two transverse ends of the cross beam are respectively welded and fixed with the corresponding side beams.

The utility model also provides a railway vehicle comprising the cross beam or the bogie.

According to the beam, the bogie and the railway vehicle, the first cover plate, the second cover plate, the plurality of vertical plates and the pair of bent plates form the whole structure of the beam, the welding seams are regular and good in continuity, welding operation is easy to conduct, dimensional tolerance is easy to control, and the weight reduction port and the plurality of bearing cabins formed by the beam meet the requirement of light weight under the condition of high bearing, so that the beam can be well matched with the bogie structure with large axle weight and long axle base.

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 cross beam according to the present utility model;

FIG. 2 is a top view of a cross beam provided by the present utility model;

FIG. 3 is a schematic view of an internal structure of a beam according to the present utility model, in which a first cover plate is hidden;

Reference numerals:

1. A first cover plate; 2. a second cover plate; 3. a bending plate; 4. a weight reducing port; 5. a first load compartment; 6. a second load compartment; 7. a transverse vertical plate; 8. a first longitudinal riser; 9. a second longitudinal riser; 10. a connecting plate; 11. perforating; 12. a first lightening hole; 13. a motor lifting seat; 14. a second lightening hole; 15. a transverse stop seat; 16. and the whole lifting 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.

A cross member according to an embodiment of the present utility model, which can be applied to a bogie, is described below with reference to fig. 1 to 3, with both ends of the cross member being connected to side members on both sides of the bogie, and a vehicle width direction being defined as a lateral direction and a vehicle length direction being defined as a longitudinal direction for convenience of description.

The cross beam of the embodiment of the utility model comprises a first cover plate 1, a second cover plate 2, a plurality of vertical plates and a pair of bending plates 3; the first cover plate 1 and the second cover plate 2 are oppositely arranged, and the first cover plate 1 and the second cover plate 2 are respectively provided with a perforation 11; a plurality of vertical plates are vertically fixed between the first cover plate 1 and the second cover plate 2; the pair of bending plates 3 are arranged on two longitudinal sides of the first cover plate 1 and the second cover plate 2 and are fixedly connected with the first cover plate 1 and the second cover plate 2 respectively; the plurality of vertical plates and the pair of bent plates 3 form a weight reducing opening 4 and a plurality of bearing cabins between the first cover plate 1 and the second cover plate 2, the upper end of the weight reducing opening 4 is connected with the perforation 11 of the first cover plate 1, and the lower end of the weight reducing opening 4 is connected with the perforation 11 of the second cover plate 2.

In this embodiment, the first cover plate 1 and the second cover plate 2 are identical in shape, and corners of the first cover plate 1 and the second cover plate 2 are provided as rounded corners. The first cover plate 1 is vertically aligned with the second cover plate 2, the middle parts of the first cover plate 1 and the second cover plate 2 are provided with through holes 11, and the through holes 11 of the first cover plate 1 are identical to the through holes 11 of the second cover plate 2 in shape and size.

The vertical setting of a plurality of risers, riser upside and first apron 1 welded fastening, downside and second apron 2 welded fastening. The bearing cabin formed by the vertical plate, the first cover plate 1 and the second cover plate 2 and the weight reducing opening 4 can play a role in reducing weight of the cross beam.

The bent plate 3 is vertically arranged, the upper side of the bent plate 3 is fixedly welded with the first cover plate 1, and the lower side of the bent plate 3 is fixedly welded with the second cover plate 2. The bending plate 3 comprises a straight part and bending parts arranged at two ends of the straight part, the shape of the bending parts is matched with the round corner shapes of the corners of the first cover plate 1 and the second cover plate 2, a pair of bending plates 3 are arranged between the first cover plate 1 and the second cover plate 2 and are fixedly connected with the first cover plate 1 and the second cover plate 2 close to the two longitudinal ends, and the functions of sealing and supporting can be achieved.

In some embodiments of the utility model, the plurality of risers includes a pair of transverse risers 7, a plurality of longitudinal risers, and a plurality of webs 10.

The pair of transverse vertical plates 7 are oppositely arranged and vertically arranged between the first cover plate 1 and the second cover plate 2, the upper sides of the pair of transverse vertical plates 7 are fixedly welded with the first cover plate 1, and the lower sides of the pair of transverse vertical plates 7 are fixedly welded with the second cover plate 2. The weight-reducing ports 4 pass through the space between a pair of transverse risers 7.

The plurality of vertical plates are connected between the pair of transverse vertical plates 7, are welded and fixed with the pair of transverse vertical plates 7, the upper cover plate and the lower cover plate respectively, and enclose the weight-reducing port 4 and the bearing cabin together with the pair of transverse vertical plates 7, the first cover plate 1 and the second cover plate 2.

The pair of bending plates 3 are respectively arranged on the outer sides of the pair of transverse vertical plates 7, the straight parts of the pair of bending plates 3 are parallel to the pair of transverse vertical plates 7, the plurality of connecting plates 10 are respectively arranged on the outer sides of the pair of transverse vertical plates 7 and are positioned on the inner sides of the pair of bending plates 3, two ends of the plurality of connecting plates 10 are welded and fixed with the corresponding transverse vertical plates 7 and the corresponding bending plates 3, the upper sides of the plurality of connecting plates 10 are welded and fixed with the first cover plate 1, and the lower sides of the plurality of connecting plates 10 are welded and fixed with the second cover plate 2.

In some embodiments of the utility model, the plurality of longitudinal risers includes a pair of first longitudinal risers 8 and a pair of second longitudinal risers 9, each of the pair of first longitudinal risers 8 and the pair of second longitudinal risers 9 being perpendicular to the lateral risers 7 and located between the pair of lateral risers 7. The pair of first vertical plates 8 are oppositely arranged at two sides of the weight-reducing opening 4, and form two opposite lateral walls of the weight-reducing opening 4 in the transverse direction, and the pair of second vertical plates 9 and the pair of transverse vertical plates 7 jointly enclose a vertical rectangular channel, namely the weight-reducing opening 4. A pair of second longitudinal risers 9 are laterally spaced apart on both sides of the pair of first longitudinal risers 8 and connect the ends of the first cover plate 1 and the second cover plate 2.

It should be noted that the connection positions of the pair of second vertical plates 9 and the pair of bending plates 3 with the first cover plate 1 and the second cover plate 2 are not limited to the edge positions of the first cover plate 1 and the second cover plate 2, and may be positions near the edges of the first cover plate 1 and the second cover plate 2, that is, the first cover plate 1 and the second cover plate 2 are provided with a margin with a certain width outside the pair of second vertical plates 9 and the pair of bending plates 3.

In some embodiments of the present utility model, two ends of the second longitudinal riser 9 are connected to a pair of transverse risers 7, respectively, and ends of the pair of transverse risers 7 extend to outside of the second longitudinal riser 9, the first cover plate 1 and the second cover plate 2.

It will be appreciated that the connection position of the pair of second longitudinal risers 9 to the pair of transverse risers 7 is inside the pair of transverse risers 7 and the connection position of the pair of curved plates 3 is outside the pair of transverse risers 7, whereby the pair of second longitudinal risers 9 cooperate with the pair of curved plates 3 to form the perimeter wall of the cross beam in this embodiment.

In this embodiment, the portion of the pair of lateral uprights 7 extending outward (the portion extending to the outer sides of the second longitudinal uprights 9, the first cover plate 1 and the second cover plate 2) can be better connected with the side members, specifically, the portion of the pair of lateral uprights 7 extending outward can be inserted into the lateral grooves of the side members, and the upper side, the lower side and the end portions can be welded with the inner walls of the lateral grooves of the side members, and the upper side edges and the lower side edges of the side members can be welded with the edges of the upper cover plate and the lower cover plate in a split manner, thereby the joint length of the cross members and the side members is larger, and the upper and lower sides of the lateral uprights 7 and the side members of the vertical cross members can be restrained, and the connection strength and the bearing capacity are better.

Optionally, the positions where the two ends of the first cover plate 1 and the second cover plate 2 are connected with the pair of cross beams are provided with extension parts along the transverse direction, the extension parts are of convex structures, and the ends of the extension parts can be better spliced and welded with the side beams.

In some embodiments of the present utility model, at least some of the plurality of longitudinal risers and the plurality of connector plates 10 are provided with a first lightening hole 12.

Alternatively, each connection plate 10 is provided with a first lightening hole 12, and a second longitudinal riser 9 of the plurality of longitudinal risers is provided with a first lightening hole 12.

The shape and size of the first lightening holes 12 are not particularly limited in this embodiment, for example, the first lightening holes 12 on the connecting plate 10 are square holes, and the first lightening holes 12 on the second longitudinal plate body are circular holes; in the present embodiment, the number of the first lightening holes 12 on the same connecting plate 10 and the second longitudinal plate body is not particularly limited, for example, the number of the first lightening holes 12 on the same connecting plate 10 is one, and the number of the first lightening holes 12 on the same second longitudinal plate body is two.

It should be noted that, because the end of the cross beam where the second vertical plate 9 is located is welded and fixed to the side beam, when the first lightening hole 12 is provided on the second vertical plate 9, the sealing effect can be ensured after the welding with the side beam is completed.

In addition, the first longitudinal vertical plate 8 in the plurality of longitudinal vertical plates not only can realize the sealing effect of the inner cavity of the cross beam at the position of the weight reduction port 4, but also can enable the position of the weight reduction port 4 to have better structural strength, and the weight reduction port 4 with the structure can be used as a part of a cooling air duct of a driving device, so that the arrangement of an air cooling system is facilitated.

In some embodiments of the present utility model, the plurality of load carrying compartments includes a pair of first load carrying compartments 5 and a pair of second load carrying compartments 6, the pair of first load carrying compartments 5 being disposed outside two opposite sides of the weight reducing port 4, and the pair of second load carrying compartments 6 being disposed outside the other two opposite sides of the weight reducing port 4.

Specifically, the first bearing cabin 5 is a rectangular cavity surrounded by a first longitudinal vertical plate 8, a second longitudinal vertical plate 9 and a pair of transverse vertical plates 7 and a first cover plate 1 and a second cover plate 2, the pair of first bearing cabins 5 are arranged at intervals along the transverse direction, and the weight reducing port 4 is positioned between the pair of first bearing cabins 5; the second bearing cabin 6 is a rectangular cavity surrounded by the bent plate 3, the pair of connecting plates 10 and the transverse vertical plate 7 matched with the first cover plate 1 and the second cover plate 2, the pair of second bearing cabins 6 are longitudinally arranged at intervals, and the weight reducing port 4 is positioned between the pair of second bearing cabins 6.

In some embodiments of the utility model, the cross beam further comprises a pair of lateral stops 15 and a plurality of motor lifters 13; the pair of transverse stop seats 15 are respectively arranged at the outer sides of the pair of bending plates 3 and are fixedly connected with the corresponding bending plates 3; a plurality of motor lifting seats 13 are arranged on the outer sides of the pair of bending plates 3, and second lightening holes 14 are arranged at the connecting positions of the motor lifting seats 13 and the corresponding bending plates 3.

In this embodiment, the transverse stop seat 15 is located in the middle of the straight section of the bending plate 3, and two motor lifting seats 13 are respectively and alternately arranged at positions of two sides of the transverse stop seat 15 on the straight section of each bending plate 3, and lifting of the driving device can be achieved through the motor lifting seats 13.

Optionally, the transverse stop seat 15 includes a pair of side plates disposed opposite to each other and an anti-disengagement pin connected between the pair of side plates, and when the anti-disengagement hook of the driving device is connected to the upper side of the anti-disengagement pin, the pair of side plates can limit the anti-disengagement hook, preventing the driving device from moving transversely, and the anti-disengagement pin can ensure that the driving device cannot be disengaged from the rail when the installation fails.

Optionally, the opposite sides of a pair of curb plates are provided with the elastic pad respectively, and this elastic pad can be rubber pad etc. can avoid mousing-hook and curb plate direct collision through the elastic pad, is favorable to reducing noise and prevents structural damage.

Optionally, a groove is formed at one end, connected with the bending plate 3, of the motor lifting seat 13, and after the motor lifting seat 13 is welded and fixed with the bending plate 3, a second lightening hole 14 is formed by the inner wall of the groove at the end part of the motor lifting seat 13 and the side wall of the bending plate 3.

In some embodiments of the present utility model, the cross beam further comprises a plurality of integral lifting seats 16, the plurality of integral lifting seats 16 are disposed on the riser, and the integral lifting seats 16 are adapted to be connected to the vehicle body.

Specifically, the four integral lifting seats 16 are provided, the four integral lifting seats 16 are respectively arranged at positions of a pair of side plates close to two ends and are positioned at opposite sides of the pair of side plates, and the integral lifting seats 16 are provided with vertical grooves and pin holes penetrating through two sides of the vertical grooves. The connection of the bogie and the car body can be realized through the locating pin and the suspension cable structure connected with the integral lifting seat 16, and the effect of integrally lifting and lifting the bogie and resisting rollover is achieved.

The embodiment of the utility model also provides a bogie, which comprises a side beam and the cross beam, wherein the two transverse ends of the cross beam are respectively welded and fixed with the side beam.

Specifically, a pair of side beams are respectively provided with lateral grooves near each other, and the extending parts of a pair of transverse vertical plates 7 in the cross beams are inserted into the lateral grooves of the side beams, and the upper side, the lower side and the end parts are welded with the inner walls of the lateral grooves of the side beams, and the upper side edge and the lower side edge of the side beams are welded with the edges of the upper cover plate and the lower cover plate of the cross beams in a splicing way.

The embodiment of the utility model also provides a railway vehicle which comprises the cross beam or the bogie.

In the description of the embodiments of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present utility model and simplifying the description, and do not indicate or imply that the apparatus 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 embodiments of the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present utility model will be understood in detail by those of ordinary skill in the art.

In embodiments of the utility model, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

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 transverse beam is characterized by comprising a first cover plate, a second cover plate, a plurality of vertical plates and a pair of bent plates;

2. The cross beam of claim 1, wherein the plurality of load carrying compartments includes a pair of first load carrying compartments disposed outboard of two opposite sides of the weight reduction port and a pair of second load carrying compartments disposed outboard of the other two opposite sides of the weight reduction port.

3. The crossmember according to claim 1 or 2, wherein the plurality of risers includes a pair of transverse risers, a plurality of longitudinal risers, and a plurality of connecting plates; the pair of transverse vertical plates are oppositely arranged; the plurality of longitudinal risers are connected between the pair of transverse risers; the pair of bending plates are arranged outside the pair of transverse vertical plates, the plurality of connecting plates are arranged outside the pair of transverse vertical plates and are positioned inside the pair of bending plates, and two ends of the plurality of connecting plates are connected with the corresponding transverse vertical plates and the corresponding bending plates; the pair of transverse vertical plates, the plurality of longitudinal vertical plates and the plurality of connecting plates are fixedly connected with the first cover plate and the second cover plate.

4. The beam of claim 3 wherein the plurality of longitudinal risers includes a pair of first longitudinal risers and a pair of second longitudinal risers;

5. The cross beam of claim 4 wherein the two ends of the second longitudinal riser are connected to the pair of transverse risers, respectively, the ends of the pair of transverse risers extending outboard of the second longitudinal riser, the first cover plate, and the second cover plate.

6. The cross beam of claim 3 wherein at least some of the plurality of longitudinal risers and the plurality of connector plates are provided with first lightening apertures.

7. The beam according to claim 1, further comprising:

8. The beam according to claim 1, further comprising:

9. A bogie comprising a pair of side beams, further comprising a cross member according to any one of claims 1 to 8, both ends of the cross member in the transverse direction being welded to the respective side beams.

10. Rail vehicle, characterized by comprising a cross beam according to any of claims 1 to 8 or by comprising a bogie according to claim 9.