CN216994325U - Frame structure and railway freight car - Google Patents
Frame structure and railway freight car Download PDFInfo
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- CN216994325U CN216994325U CN202220239033.1U CN202220239033U CN216994325U CN 216994325 U CN216994325 U CN 216994325U CN 202220239033 U CN202220239033 U CN 202220239033U CN 216994325 U CN216994325 U CN 216994325U
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Abstract
The utility model discloses a frame structure and a railway wagon, and belongs to the technical field of railway transportation. The frame structure includes: the floor comprises a middle beam, a floor assembly, a connecting beam assembly and two side beams; the floor panel assembly includes: the floor comprises a first floor, a second floor and a plurality of supporting beams; the first ends of the supporting beams are fixedly connected with the first floor, and the second ends of the supporting beams are fixedly connected with the second floor; the middle beam is fixedly connected with the second floor; the two side beams are respectively arranged on two sides of the middle beam, and the middle parts of the side beams are connected with the first floor and the second floor; and the connecting beam assembly is fixedly connected with the side beam, the middle beam and the second floor respectively. The frame structure and the railway wagon can bear larger concentrated load per unit area, ensure the surface smoothness of the floor, ensure the service life and reduce the maintenance cost.
Description
Technical Field
The utility model relates to the technical field of railway transportation, in particular to a frame structure and a railway wagon.
Background
The railway wagon is one of main vehicle types for railway transportation, is extremely wide in application, and can meet different requirements of railway operation of customers.
The steel floor is widely applied in the field of railway freight cars, particularly flat cars and box cars, and the conventional design scheme is that the steel floor is directly connected with beams or bearing structures related to a car body underframe framework through a welding method. However, when transporting heavy-duty loads such as electromechanical equipment, the steel floor surface cannot bear a large concentrated load per unit area, and the floor surface is deformed or damaged, which increases the vehicle operation and maintenance cost.
SUMMERY OF THE UTILITY MODEL
The utility model provides a frame structure and a railway wagon, and solves or partially solves the technical problems that when heavy electromechanical equipment and other concentrated loads are transported, the surface of a steel floor cannot bear a large concentrated load per unit area, so that the surface of the floor is deformed or damaged, and the operation and maintenance cost of a vehicle is increased in the prior art.
In order to solve the above technical problems, the present invention provides a frame structure comprising: the floor comprises a middle beam, a floor assembly, a connecting beam assembly and two side beams; the floor panel assembly includes: the floor comprises a first floor, a second floor and a plurality of supporting beams; the first ends of the support beams are fixedly connected with the first floor, and the second ends of the support beams are fixedly connected with the second floor; the middle beam is fixedly connected with the second floor; the two side beams are respectively arranged on two sides of the middle beam, and the middle parts of the side beams are connected with the first floor and the second floor; and the connecting beam assembly is fixedly connected with the side beam, the middle beam and the second floor respectively.
Further, the first floor and the second floor are both aluminum alloy plates.
Further, a plurality of the support beams are arranged between the first floor and the second floor at equal intervals and intervals.
Further, the side beam is fixedly connected with the first floor through a first support member.
Further, the side beam is fixedly connected with the second floor through a second support member.
Further, the connection beam assembly includes: a plurality of longitudinal beams and a plurality of transverse beams; each two adjacent cross beams in the plurality of cross beams are connected through the longitudinal beam; a first cross beam in the plurality of cross beams is fixedly connected with one of the two side beams, and a last cross beam in the plurality of cross beams is fixedly connected with the other of the two side beams; the plurality of longitudinal beams are fixedly connected with the second floor; the plurality of cross beams are fixedly connected with the second floor; and two sides of the middle beam are respectively fixedly connected with the two cross beams.
Further, the cross-sectional shape of the longitudinal beam is an I-shape.
Further, the cross section of the cross beam is I-shaped.
Further, the side member has an L-shaped cross-sectional shape.
Based on the same utility model design, this application still provides a railway freight car, include frame structure.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
because the first ends of the supporting beams are fixedly connected with the first floor, and the second ends of the supporting beams are fixedly connected with the second floor, when heavy electromechanical equipment and other objects which collect loads are transported, the pressure born by the first floor is transmitted to the second floor through the supporting beams, and the pressure is shared by the second floor, meanwhile, the structural strength of the bottom plate assembly is ensured through the supporting beams, so that the concentrated load of a larger unit area can be realized, the deformation and damage of the floor surface are reduced, the floor surface is ensured to be flat, the service life of the bottom plate assembly is ensured, the maintenance cost is reduced, because the middle beam is fixedly connected with the second floor, the two side beams are respectively arranged at two sides of the middle beam, the middle parts of the side beams are connected with the first floor and the second floor, and the connecting beam assembly is respectively fixedly connected with the side beam, the middle beam and the second floor, the pressure of the goods is transmitted to the middle beam by the second floor, The side beam and the connecting beam assembly share the pressure of goods through the middle beam, the side beam and the connecting beam assembly, the structural strength of the floor assembly is further guaranteed, the floor assembly can bear large concentrated load per unit area, the floor surface is guaranteed to be flat, the service life is guaranteed, and the maintenance cost is reduced.
Drawings
FIG. 1 is a schematic structural view of a vehicle frame structure provided in an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the frame structure of FIG. 1;
fig. 3 is a schematic view of the structure of the floor panel assembly of the vehicle frame structure of fig. 1.
Detailed Description
Referring to fig. 1 to 3, an embodiment of the present invention provides a vehicle frame structure including: center sill 1, floor assembly 2, tie-beam assembly 3 and two side sills 4.
The floor panel assembly 2 includes: a first floor 2-1, a second floor 2-2 and a plurality of support beams 2-3.
The first ends of the plurality of support beams 2-3 are fixedly connected with the first floor 2-1, and the second ends of the plurality of support beams 2-3 are fixedly connected with the second floor 2-2.
The middle beam 1 is fixedly connected with the second floor 2-2.
The two side beams 4 are respectively arranged at two sides of the middle beam 1, and the middle parts of the side beams 4 are connected with the first floor 2-1 and the second floor 2-2.
The connecting beam assembly 3 is fixedly connected with the side beam 4, the middle beam 1 and the second floor 2-2 respectively.
In the embodiment of the application, because the first ends of the supporting beams 2-3 are fixedly connected with the first floor 2-1 and the second ends of the supporting beams 2-3 are fixedly connected with the second floor 2-2, when transporting objects such as heavy electromechanical equipment and the like, the pressure born by the first floor 2-1 is transmitted to the second floor 2-2 through the supporting beams 2-3, the pressure is shared by the second floor 2-2, meanwhile, the structural strength of the floor assembly is ensured through the supporting beams 2-3, the concentrated load of a larger unit area can be borne, the concentrated load of a larger unit area can be realized, the deformation and damage of the floor surface are reduced, the surface smoothness of the floor is ensured, the service life of the floor assembly is ensured, the maintenance cost is reduced, and because the middle beam 1 is fixedly connected with the second floor 2-2, the two side beams 4 are respectively arranged at two sides of the middle beam 1, the middle part of each side beam 4 is connected with the first floor 2-1 and the second floor 2-2, and the connecting beam assembly 3 is respectively fixedly connected with the side beams 4, the middle beam 1 and the second floor 2-2, so that the second floor 2-2 transmits the pressure of goods to the middle beam 1, the side beams 4 and the connecting beam assembly 3, the pressure of the goods is shared by the middle beam 1, the side beams 4 and the connecting beam assembly 3, the structural strength of the floor assembly 2 is further ensured, the floor assembly 2 can bear larger concentrated load per unit area, the floor surface is ensured to be flat, the service life is ensured, and the maintenance cost is reduced.
In the present embodiment, even if the first floor 2-1 is damaged, the second floor 2-2 and the plurality of support beams 2-3 continue to support the cargo, thereby preventing the cargo from being directly pressed on the center sill 1 and the coupling beam assembly 3 and ensuring the safety of the center sill 1 and the coupling beam assembly 3.
In the embodiment, as the middle part of the side beam 4 is connected with the first floor 2-1 and the second floor 2-2, that is, one end part of the side beam 4 extends to the upper part of the first floor 2-1, so that the end parts of the two side beams 4 and the first floor 2-1 form a U-shaped structure, when goods are placed on the first floor 2-1, the goods can be limited by the two side beams 4, so as to prevent the goods from sliding off the first floor 2-1, and meanwhile, the weight of the side beam 4 is increased, so that the effect of a counterweight is achieved, the center of gravity of the frame structure is positioned in the middle part of the frame structure, and the stable operation of the railway wagon is ensured. Moreover, the side beam 4 can close the gap between the first floor 2-1 and the second floor 2-2, so as to avoid the entry of sundries.
Specifically, the first floor 2-1 and the second floor 2-2 are made of aluminum alloy plates, and the density of the aluminum alloy plates is about one third of that of steel plates, so that compared with the steel plates, the weight of the frame structure can be reduced due to the fact that the self weight of the aluminum alloy plates is small, the allowable axle weight of a railway line is fixed for the whole railway wagon, the self weight of the frame structure is reduced, goods which can be loaded by the frame structure are increased, and the load is increased. In addition, the aluminum alloy plate has good corrosion resistance, paint is not required to be sprayed, the manufacturing process is reduced, and the manufacturing cost and the maintenance cost are reduced.
Specifically, a plurality of supporting beams 2-3 are arranged between a first floor 2-1 and a second floor 2-2 at equal intervals, so that the first floor 2-1 is guaranteed to be stably supported, the structural strength of the bottom plate assembly is guaranteed, the concentrated load of a larger unit area can be realized, the deformation and damage of the floor surface are reduced, the floor surface is guaranteed to be flat, the service life of the bottom plate assembly is guaranteed, and the maintenance cost is reduced. Meanwhile, the cargo pressure borne by the first floor 2-1 is uniformly transmitted to the second floor 2-2, so that the second floor 2-2 can share the pressure conveniently.
Specifically, the side member 4 is fixedly connected to the first floor 2-1 through a first support 5. The first floor panel 2-1 may transmit a part of the pressure to the side members 4 through the first support member 5, and further secure the structural strength of the floor panel assembly 2, in this embodiment, the first support member 5 may be an angle iron.
Specifically, the side member 4 is fixedly connected to the second floor 2-2 via the second support member 6. The second floor 2-2 may transmit a portion of the pressure to the side sill 4 via a second support member 6, which in this embodiment may be an angle iron, further ensuring the structural strength of the floor assembly 2.
Specifically, the connection beam assembly 3 includes: a plurality of longitudinal beams 3-1 and a plurality of transverse beams 3-2.
Every two adjacent cross beams 3-2 in the plurality of cross beams 3-2 are connected through the longitudinal beam 3-1, and the longitudinal beam 3-1 ensures that every two adjacent cross beams 3-2 in the plurality of cross beams 3-2 are firmly connected, thereby ensuring the structural strength.
A first cross beam 3-2 in the plurality of cross beams 3-2 is fixedly connected with one of the two side beams 4, a last cross beam 3-2 in the plurality of cross beams 3-2 is fixedly connected with the other of the two side beams 4, and the structural strength of the cross beam 3-1 and the supporting strength are ensured through the side beams 4.
The plurality of longitudinal beams 3-1 are fixedly connected with the second floor 2-2, the plurality of cross beams 3-2 are fixedly connected with the second floor 2-2, and the second floor 2-2 is supported through the plurality of longitudinal beams 3-1 and the plurality of cross beams 3-2, so that the structural strength is ensured.
The two sides of the middle beam 1 are respectively fixedly connected with the two cross beams 3-2, and the cross beams 3-2 are supported by the middle beam 1, so that the structural strength is ensured.
Specifically, the cross section of the longitudinal beam 3-1 is I-shaped, so that the longitudinal beam 3-1 is conveniently connected with the cross beam 3-2 and the second floor 2-2, and meanwhile, materials are conveniently taken and the process difficulty is reduced.
Specifically, the cross section of the cross beam 3-2 is I-shaped, so that the cross beam 3-2 is conveniently connected with the middle beam 1, the second floor 2-2 and the side beam 4, and meanwhile, material taking and process difficulty reduction are facilitated.
Specifically, the side members 4 have an L-shaped cross section, which facilitates closing the gap between the first floor 2-1 and the second floor 2-2, and facilitates the first floor 2-1 and the second floor 2-2 to transmit a part of the pressure to the side members 4, thereby further ensuring the structural strength of the floor panel assembly 2.
Based on same utility model design, this application has still provided a railway freight car, and this railway freight car has adopted frame construction, this frame construction's concrete structure refers to above-mentioned embodiment, because frame construction has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is not repeated here one by one again.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention is described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. A frame structure, comprising: the floor comprises a middle beam, a floor assembly, a connecting beam assembly and two side beams;
the floor panel assembly includes: the floor comprises a first floor, a second floor and a plurality of supporting beams;
the first ends of the support beams are fixedly connected with the first floor, and the second ends of the support beams are fixedly connected with the second floor;
the middle beam is fixedly connected with the second floor;
the two side beams are respectively arranged on two sides of the middle beam, and the middle parts of the side beams are connected with the first floor and the second floor;
the connecting beam assembly is fixedly connected with the side beam, the middle beam and the second floor respectively.
2. The frame structure of claim 1, wherein:
the first floor and the second floor are aluminum alloy plates.
3. The frame structure of claim 1, wherein:
and the support beams are uniformly arranged between the first floor and the second floor at equal intervals.
4. The frame structure according to claim 1, characterized in that:
the side beam is fixedly connected with the first floor through a first supporting piece.
5. The frame structure according to claim 1, characterized in that:
the side beam is fixedly connected with the second floor through a second supporting piece.
6. The frame structure of claim 1, wherein the tie beam assembly comprises: a plurality of longitudinal beams and a plurality of transverse beams;
each two adjacent cross beams in the plurality of cross beams are connected through the longitudinal beam;
a first cross beam in the plurality of cross beams is fixedly connected with one of the two side beams, and a last cross beam in the plurality of cross beams is fixedly connected with the other of the two side beams;
the plurality of longitudinal beams are fixedly connected with the second floor;
the plurality of cross beams are fixedly connected with the second floor;
and two sides of the middle beam are respectively and fixedly connected with the two cross beams.
7. The frame structure according to claim 6, characterized in that:
the cross section of the longitudinal beam is I-shaped.
8. The frame structure according to claim 6, characterized in that:
the cross section of the cross beam is I-shaped.
9. The frame structure of claim 6, wherein:
the cross section of the side beam is L-shaped.
10. A railway wagon comprising a frame structure according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220239033.1U CN216994325U (en) | 2022-01-28 | 2022-01-28 | Frame structure and railway freight car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220239033.1U CN216994325U (en) | 2022-01-28 | 2022-01-28 | Frame structure and railway freight car |
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| Publication Number | Publication Date |
|---|---|
| CN216994325U true CN216994325U (en) | 2022-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220239033.1U Active CN216994325U (en) | 2022-01-28 | 2022-01-28 | Frame structure and railway freight car |
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| CN (1) | CN216994325U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116279613A (en) * | 2023-02-24 | 2023-06-23 | 中车眉山车辆有限公司 | A cargo vehicle floor, installation structure and installation method thereof |
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2022
- 2022-01-28 CN CN202220239033.1U patent/CN216994325U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116279613A (en) * | 2023-02-24 | 2023-06-23 | 中车眉山车辆有限公司 | A cargo vehicle floor, installation structure and installation method thereof |
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