CN217623548U

CN217623548U - Railway flatcar and car body thereof

Info

Publication number: CN217623548U
Application number: CN202220239717.1U
Authority: CN
Inventors: 刘朋; 王军松; 克雪文; 周正权; 刘彩运; 张倍; 刘海东
Original assignee: CRRC Qiqihar Rolling Stock Co Ltd
Current assignee: CRRC Qiqihar Rolling Stock Co Ltd
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2022-10-21
Anticipated expiration: 2032-01-28
Also published as: WO2023142475A1

Abstract

The utility model discloses a railway flatcar and a car body thereof, the car body comprises an underframe, the underframe comprises two parallel arranged side beams, a middle beam positioned between the two side beams and a first cross beam connected between the side beams and the middle beam; the center sill is of a box-shaped structure, and the thickness of the middle area of the center sill is larger than that of the end area of the center sill. This scheme can reduce the dead weight of railway flatcar through configuration optimization, is favorable to the promotion of transportation economic benefits.

Description

Railway flatcar and car body thereof

Technical Field

The utility model relates to a railway transportation equipment technical field especially relates to a railway flatcar and automobile body thereof.

Background

The railway flat car is a main car type for railway freight transportation, and has the advantages of high transportation efficiency, high transportation cost, energy conservation, environmental protection and the like.

The car body of the existing railway flat car adopts a wood floor structure, the structural design of the underframe is complex, the car is heavy in weight, and the transportation economic benefit is affected. In addition, the wood floor is corroded by rain and snow, exposed to burning sun and easy to rot, so that the vehicle maintenance period is short, and the operation and maintenance cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a railway flatcar and automobile body thereof can reduce the dead weight of railway flatcar through configuration optimization, is favorable to transporting economic benefits's promotion.

In order to solve the technical problem, the utility model provides a railway flatcar body, which comprises a bottom frame, wherein the bottom frame comprises two side beams which are arranged in parallel, a middle beam which is positioned between the two side beams, and a first cross beam which is connected between the side beams and the middle beam; the center sill is of a box-shaped structure, and the thickness of the middle area of the center sill is larger than that of the end area of the center sill.

The chassis of this automobile body adopts the center sill of box structure, and the regional thickness in middle part of center sill is greater than the regional thickness of tip, and the center sill is fish belly shape box structure promptly, on the basis of guaranteeing intensity and rigidity, can subtract by a wide margin and heavily, helps reducing the dead weight of railway flatcar to be favorable to promoting transportation economic benefits.

The body of the railway flatcar comprises an upper cover plate, a lower cover plate and two webs, wherein the two webs are arranged oppositely and are connected with the upper cover plate and the lower cover plate; the upper cover plate is of a plane structure, the lower cover plate comprises a middle cover plate area and two end cover plate areas, and the distance between each end cover plate area and the upper cover plate is smaller than the distance between each middle cover plate area and the upper cover plate;

the thickness of the end cap region is greater than the thickness of the central cap region, and/or the thickness of the end portion of the web is greater than the thickness of the central portion of the web.

The body of the railway flatcar further comprises a floor assembly, and the floor assembly is fixedly connected to the underframe; the floor board comprises a metal floor board; the floor panel has an upper rib structure.

According to the railway flatcar body, the floor comprises the nonmetal backing strip, the length direction of the nonmetal backing strip is parallel to the width direction of the railway flatcar body, and the nonmetal backing strip is fixedly connected above the floor.

According to the body of the railway flatcar, the underframe comprises the second cross beam, the second cross beam is fixedly connected below the floor and close to the position of the non-metal filler strip, and two ends of the second cross beam are respectively connected with the side beam and the middle beam.

According to the railway flatcar body, the second cross beam comprises a cross beam top plate and a cross beam bottom plate which are parallel to each other, and a cross beam web plate is connected between the cross beam top plate and the cross beam bottom plate; the beam web is of a corrugated structure.

The utility model also provides a railway flatcar, which comprises a carriage body, the automobile body is above-mentioned arbitrary automobile body.

Since the vehicle body has the technical effects, the railway flat car comprising the vehicle body also has the same technical effects, and the discussion is not repeated here.

The railway flat car further comprises at least one anti-theft cover, wherein the anti-theft cover is of a frame structure with an opening, and the anti-theft cover is covered on the floor assembly of the car body.

According to the railway flat car, at least one forklift beam is fixedly connected to the top wall part of the anti-theft cover.

According to the railway flat car, the end wall part of the anti-theft cover is in plug-in fit with the side wall part of the anti-theft cover and is fixedly connected through the fastening piece.

According to the railway flat car, the top end parts of the end wall part and the side wall part of the anti-theft cover are obliquely arranged towards the center direction of the anti-theft cover; the theftproof cover rigid coupling has at least one support, the support is located the outside of theftproof cover just has up holding surface.

According to the railway flatcar, the car body is provided with at least one limiting part, the limiting part is matched with the anti-theft cover, and the limiting part comprises four limiting seats which are respectively positioned at four corners of the anti-theft cover.

Drawings

Fig. 1 is a schematic structural view of an embodiment of a body of a railway flatcar provided by the present invention;

FIG. 2 is a schematic view of the structure of the center sill of FIG. 1;

FIG. 3 is a schematic view of the structure of the floor panel of FIG. 1;

FIG. 4 is a schematic structural view of the second beam of FIG. 1;

fig. 5 is a schematic structural view of an embodiment of an anti-theft cover of a railway flatcar according to the present invention;

FIG. 6 is a schematic structural diagram of the sidewall portion of FIG. 5;

FIG. 7 is a schematic structural view of the end wall portion of FIG. 5;

FIG. 8 is a schematic view of a connection structure between the sidewall portion and the end wall portion in FIG. 5;

FIG. 9 is a schematic view of the construction of the wall top portion of FIG. 5;

FIG. 10 is a schematic structural view of the fork truck beam of FIG. 5;

FIG. 11 is a schematic view showing a stacking structure of two anti-theft covers in a specific application;

fig. 12 is a partially enlarged view of the overlapping support portion of the two theft-proof covers in fig. 11.

Description of reference numerals:

the structure comprises an underframe 10, side beams 11, a middle beam 12, an upper cover plate 121, a lower cover plate 122, end cover plate areas 1221, a middle cover plate area 1222, a web 123, a first cross beam 13, a second cross beam 14, a cross beam top plate 141, a cross beam bottom plate 142, a cross beam web 143, a sleeper beam 15 and a limiting seat 16;

the floor comprises a floor component 20, a floor 21, a convex rib structure 211 and a non-metal filler strip 22;

the anti-theft cover 30, the side wall part 31, the side rods 311, the cross rods 312, the vertical rods 313, the supports 314, the end wall part 32, the end posts 321, the wall top part 33, the forklift beams 34, the U-shaped beams 341, the rib plates 342, the cover plate 343 and the brackets 35.

Detailed Description

In order to make the technical field better understand the solution of the present invention, the following detailed description is given with reference to the accompanying drawings and the detailed description.

For convenience of understanding and simplicity of description, the following description is provided in conjunction with the railway flatcar and the car body thereof, and the beneficial effects will not be repeated.

The railway flatcar is mainly used for cargo transportation and can be used for containers or packaged bundles of cargos which are supported by a body of the railway flatcar.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a body of a railway flatcar according to an embodiment of the present invention. For the sake of clarity of the structure of the vehicle body, the portion of the vehicle body near the right in fig. 1 does not show the floor components.

In this embodiment, the body of the railway flat car comprises a chassis 10 and a floor assembly 20, wherein the floor assembly 20 is arranged on the chassis 10 and is used for bearing transported goods.

The underframe 10 comprises two side beams 11 arranged in parallel, a centre beam 12 between the side beams 11, and a first cross beam 13 connecting the centre beam 12 and the side beams 11.

The longitudinal direction of the side member 11 is parallel to the longitudinal direction of the vehicle body, and the longitudinal direction of the first cross member 13 is parallel to the width direction of the vehicle body.

For railway flatcars, the underframe 10 also includes bolsters 15 at both ends to facilitate engagement with bogie related structures. The first cross members 13 are disposed in a plurality according to needs, and are arranged at intervals along the length direction of the underframe 10, and generally speaking, the positions of the first cross members 13 between the side members 11 and the center member 12 correspond.

Referring to fig. 2, fig. 2 is a schematic structural diagram of the center sill in fig. 1.

In this embodiment, the center sill 12 is formed in a box-shaped structure, and the thickness of the center region of the center sill 12 is larger than the thickness of the end regions thereof, and the thickness here refers to the height direction in the assembled state of actual use. As shown in fig. 2, the heights of the two end portions of the center sill 12 are relatively small, the height of the middle portion of the center sill is relatively large, and the center sill is similar to a fish-bellied structure, so that the weight of the center sill can be greatly reduced on the basis of ensuring the strength and the rigidity, the dead weight of the railway flatcar can be reduced, and the economic benefit of transportation can be improved.

Specifically, the center sill 12 includes an upper cover plate 121, a lower cover plate 122 and two webs 123, the two webs 123 are disposed oppositely, and one web 123 connects the upper cover plate 121 and the lower cover plate 122 at the same side to form a box-shaped structure. The plates are fixed through welding, steel plates are usually selected, and strength and rigidity can be guaranteed on the basis of small thickness.

The upper cover plate 121 is a planar structure to facilitate the connection of the floor component 20, the lower cover plate 122 includes two end cover plate areas 1221 and a middle cover plate area 1222, and the distance between the end cover plate areas 1221 and the upper cover plate 121 is smaller than the distance between the middle cover plate area 1222 and the upper cover plate 121, as shown in fig. 2, so that the center sill 12 is a fish belly structure with a large middle dimension and a small end dimension.

On this basis, to ensure strength, the thickness of the end cover plate area 1221 of the cover plate 122 may be set relatively large, and the thickness of the middle cover plate area 1222 may be set relatively small. The web 123 may also be provided with a relatively large thickness at the end portions and a relatively small thickness at the central portion, as desired for the application.

The material and thickness of each plate constituting the center sill 12 may be set according to the actual application requirements, and are not limited to the above.

In this embodiment, the side members 11 of the underframe 10 may be formed of a channel steel structure, and may be formed of cold-formed channel steel.

Referring to fig. 3, fig. 3 is a schematic structural diagram of the floor in fig. 1.

In this embodiment, the floor assembly 20 includes a floor 21, the floor 21 is fixedly connected to the center sill 12 and the side sill 11, the floor 21 is made of metal, so as to prevent damage caused by rain and snow erosion, burning sun exposure and the like, prolong the maintenance period of the vehicle, and save operation and maintenance costs.

Specifically, the floor 21 may be made of iron or steel, and the thickness thereof may be set relatively thin, for example, set to 2.5 to 5mm. On the basis, more than one rib structure 211 can be arranged on the floor 21 to improve the rigidity and strength of the floor 21.

The rib structure 211 can be formed by beading, and the rib structure 211 is formed by pressing on the floor panel 21.

This floor is constituteed 20 and is still included nonmetal filler strip 22, and nonmetal filler strip 22's length direction is parallel with the width direction of automobile body, and nonmetal filler strip 22 rigid coupling is in 21 tops on the floor, as shown in fig. 1, and nonmetal filler strip 22 supports the goods with 21 cooperations on the floor, replaces original timber apron, prevents the easy damaged problem of corruption.

In this scheme, the underframe 10 further includes a second cross beam 14 disposed below the floor 21, the second cross beam 14 is fixedly connected between the center sill 12 and the side sill 11, specifically, the second cross beam 14 is fixedly connected between the side sill 11 and the center sill 12 on each side, and in order to ensure balance of various performances of the underframe 10, the positions of the second cross beams 14 between the side sills 11 and the center sill 12 on both sides are also correspondingly disposed.

Specifically, the second beam 14 can be arranged near the position of the non-metal filler strip 22, and specifically can be located under the non-metal filler strip 22, and a certain deviation can be provided, so that the rigidity and strength of the floor assembly 20 are improved, and thus, the floor 21 of the floor assembly 20 can be arranged relatively thinly, which is beneficial to reducing the dead weight of the vehicle body.

It will be appreciated that, since the underframe 10 is further provided with the first cross member 13 and the bolster 15 between the side sill 11 and the center sill 12, the second cross member 14 may not be provided at these positions, and may be specifically provided according to actual layout and requirements.

Referring to fig. 4, fig. 4 is a schematic structural diagram of the second beam in fig. 1.

In this embodiment, the second beam 14 includes a beam top plate 141 and a beam bottom plate 142, and a beam web 143 is connected between the beam top plate 141 and the beam bottom plate 142, and these two plates can be fixed by welding, which is reliable and convenient. Each plate can be made of a steel plate structure and can be arranged thinly correspondingly.

As shown in fig. 4, in particular, the beam web 143 is corrugated, which may be understood as wavy, which is advantageous for improving lateral stability.

When the railway flatcar is transported, the whole body of the flatcar is of a structure similar to a flat plate, so that after goods are stacked on the flatcar body, no other protection is provided, and the hidden danger of theft exists. In this embodiment, the railway flatcar is provided with an anti-theft cover.

Please refer to fig. 5 and fig. 5 are schematic structural views of an anti-theft cover of a railway flat car according to an embodiment of the present invention.

In this embodiment, the anti-theft cover 30 is a frame structure having an opening, and when in use, the opening faces the body of the railway flat car, and can be covered on the floor assembly 20 of the body to protect the goods.

As shown in fig. 5, the antitheft cover 30 includes two side wall portions 31 disposed opposite to each other, two end wall portions 32 disposed opposite to each other, and a top wall portion 33, each of which has a frame structure to reduce the self weight as much as possible on the basis of satisfying the protection.

After use, the side wall parts 31 extend along the length direction of the vehicle body, the end wall parts 32 extend along the width direction of the vehicle body, one end wall part 32 is connected between the same ends of the two side wall parts 31, and the top ends of the side wall parts 31 and the end wall parts 32 are connected with the wall top part 33.

In the illustrated embodiment, the wall top portion 33 is mainly divided into two portions, and it can be understood that the two portions may be connected to form an integral structure in actual installation.

As shown in fig. 6, the side wall part 31 includes several parallel cross bars 312, each cross bar 312 is connected together by a plurality of parallel vertical bars 313, two side bars 311 are respectively provided at both ends of the side wall part 31, and when the side bars 311 of the side wall part 31 are connected with the corresponding ends of the end wall part 32.

In practical applications, the number of the cross bars 312 and the number of the vertical bars 313 may be set according to requirements, and is not limited herein.

Specifically, the cross bar 312 positioned at the top and the cross bar 312 positioned at the bottom can adopt a U-shaped groove steel structure, and the cross bar 312 positioned at the middle can adopt an L-shaped angle steel; of course, in other examples, the rods may take other forms.

As shown in fig. 7, the structural composition of the end wall portion 32 is similar to that of the side wall portion 31, and will not be described in detail.

In this embodiment, the side wall portion 31 and the end wall portion 32 are connected in an inserting manner and then fixed by fasteners, specifically, referring to fig. 8, the side bars 311 of the side wall portion 31 are in a U-shaped channel steel form, the corresponding end portions of the end wall portion 32 can be inserted into the grooves of the U-shaped channel steel, and the two are fixedly connected by fasteners such as bolts and nuts, which is reliable in fixing manner.

As shown in fig. 9, the top wall part 33 is a frame-shaped structure, and its respective bars may be formed of L-shaped angle steel structures, and may be connected to the side wall part 31 and the end wall part 32 by fastening members.

This security cover 30 still sets up at least one fork truck roof beam 34 at its wall crown portion 33, and the setting of fork truck roof beam 34 makes things convenient for fork truck transportation security cover 30. Since the length of the antitheft cover 30 is generally long, the fork car beam 34 extends in the width direction of the antitheft cover 30, and coincides with the extending direction of the headwall portion 32. In the illustrated embodiment, the top wall portion 33 is provided with two forklift beams 34, and in particular, a support 314 is further fixedly connected to the cross bar 312 at the top of the side wall portion 31 for matching with the forklift beams 34.

As shown in fig. 10, in this embodiment, the forklift truck 34 includes a U-shaped beam 341, which is installed with its opening facing the top wall portion 33, a plurality of rib plates 342 may be fixedly attached to the inside of the U-shaped beam 341 to improve the strength and rigidity thereof, and a cover plate 343 may be fixedly attached to the middle of the opening of the U-shaped chamber 341 to form a box-shaped structure in the middle area of the forklift truck 34, which is beneficial to improve the rigidity and strength thereof. Of course, it will be appreciated that the length and location of the cover 343 does not affect the function of the fork beam 34 to be forks.

Referring to fig. 5 to 7, in this example, the top end portions of the side wall portions 31 and the end wall portions 32 are both inclined toward the center of the antitheft cover 30, specifically, the side rods 311 at the two ends of the side wall portions 31 are inclined toward the center, and the end posts 321 at the two ends of the end wall portions 32 are inclined toward the center, so that the antitheft cover 30 formed in this way has a structure with a small top and a large bottom, and when not in use, several antitheft covers 30 can be stacked together, which is beneficial to storage and transportation of the antitheft cover 30.

Specifically, at least one bracket 314 may be fixedly connected to the outer side of the anti-theft cover 30, and the bracket 314 has an upward supporting surface, so that when the anti-theft covers 30 are stacked, the upper anti-theft cover 30 may be supported by the bracket 314 of the lower anti-theft cover 30, which is beneficial to improving stability, and can be understood with reference to fig. 11 and 12.

In the illustrated embodiment, the brackets 314 are disposed on the side bars 311 of the side wall parts 31, and the brackets 314 are fixedly connected to two side bars 311 of each side wall part 31, so that four support surfaces can be provided for the upper anti-theft cover 30 when the anti-theft cover is stacked. The bracket 314 may be made of L-shaped angle steel.

Referring to fig. 1, in this embodiment, at least one limiting portion is further disposed on the body of the railway flatcar, each limiting portion is engaged with the anti-theft cover, the limiting portion includes four limiting seats 16 respectively located at four corners of the anti-theft cover 30, after the anti-theft cover 30 is covered on the body, the four corners of the anti-theft cover are limited between the four limiting seats 16, and when the railway flatcar runs, the longitudinal direction of the anti-theft cover 30 can be limited, so as to prevent the anti-theft cover 30 from moving in the longitudinal direction.

The number of the antitheft covers 30 is related to the size of the vehicle body and the size of the antitheft covers 30 for one vehicle body, and it can be understood that when one vehicle body is matched with more than two antitheft covers 30, the adjacent ends of the two antitheft covers 30 can share the limiting seat 16.

For the car body shown in fig. 1, a total of six limiting seats 16 are provided, two limiting seats 16 near the left end of the figure and two limiting seats 16 in the middle form a limiting part for limiting one anti-theft cover 30, and two limiting seats 16 in the middle and two limiting seats 16 at the right end of the figure form another limiting part for limiting another anti-theft cover 30.

It is right above that the utility model provides a railway flatcar and automobile body thereof all introduces in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The body of the railway flatcar comprises an underframe, and is characterized in that the underframe comprises two side beams arranged in parallel, a middle beam positioned between the two side beams, and a first cross beam connected between the side beams and the middle beam; the middle beam is of a box-type structure, and the thickness of the middle area of the middle beam is larger than that of the end area of the middle beam;

the vehicle body further comprises a floor assembly which is fixedly connected to the underframe; the floor board assembly comprises a floor board made of metal; the floor is provided with more than one convex rib structure;

the floor is composed of nonmetal backing strips, the length directions of the nonmetal backing strips are parallel to the width direction of the vehicle body, and the nonmetal backing strips are fixedly connected above the floor.

2. The body of a railroad flat car according to claim 1, wherein the center sill comprises an upper deck, a lower deck, and two webs, the two webs being disposed opposite each other, the webs connecting the upper deck and the lower deck; the upper cover plate is of a plane structure, the lower cover plate comprises a middle cover plate area and two end cover plate areas, and the distance between each end cover plate area and the upper cover plate is smaller than the distance between each middle cover plate area and the upper cover plate;

3. The railway flatcar body as claimed in claim 1 or 2, wherein the underframe comprises a second cross beam, the second cross beam is fixedly connected below the floor and close to the position of the non-metal filler strip, and two ends of the second cross beam are respectively connected with the side beam and the middle beam.

4. The railroad flat car body of claim 3, wherein the second cross member comprises a cross member top plate and a cross member bottom plate parallel to each other, and a cross member web is connected between the cross member top plate and the cross member bottom plate; the beam web is of a corrugated structure.

5. Railway flatcar, comprising a car body, characterized in that the car body is according to any of claims 1-4.

6. The railway flat car of claim 5, further comprising at least one anti-theft cover, the anti-theft cover being a frame structure having an opening, the anti-theft cover being provided on a floor component of the car body.

7. The railway flat car of claim 6, wherein at least one forklift beam is affixed to a top wall portion of the anti-theft shield.

8. The railway flat car of claim 7, wherein the end wall portion of the anti-theft cover is in plug-fit engagement with the side wall portion thereof and is secured by fasteners.

9. The railway flatcar of claim 6, wherein top end portions of the end wall portions and the side wall portions of the antitheft cover are both disposed obliquely to a center direction of the antitheft cover; the theftproof cover rigid coupling has at least one support, the support is located the outside of theftproof cover just has up holding surface.

10. The railway flat car according to any one of claims 6 to 9, wherein the car body is provided with at least one stopper part, the stopper part is engaged with the anti-theft cover, and the stopper part comprises four stopper seats respectively located at four corners of the anti-theft cover.