CN220947989U - Small underframe assembly - Google Patents
Small underframe assembly Download PDFInfo
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- CN220947989U CN220947989U CN202322774977.6U CN202322774977U CN220947989U CN 220947989 U CN220947989 U CN 220947989U CN 202322774977 U CN202322774977 U CN 202322774977U CN 220947989 U CN220947989 U CN 220947989U
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- plate
- longitudinal beam
- cover plate
- chassis assembly
- traction
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- 241001669679 Eleotris Species 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a small chassis assembly, which comprises a longitudinal beam, end sleeper beams, middle sleeper beams and traction beams, wherein the longitudinal beam is a box-type beam with a concave middle part, a lower core disc is arranged on the longitudinal beam, an upper core disc is arranged at the bottom of the longitudinal beam, the end sleeper beams are arranged on two sides of the end part of the longitudinal beam, the middle sleeper beams are arranged at the middle position of the longitudinal beam along the length direction, the middle sleeper beams are used for installing or supporting side bearing devices, the traction beams are connected to one end of the longitudinal beam, an impact seat is arranged at one end of the traction beams, which is away from the longitudinal beam, the impact seat is used for installing a coupler buffer device, the traction beams are connected with the small chassis of a multistage balance railway flatcar, so that the installation height of the traction beams meets the requirement, when the traction beams are arranged on a large frame, the downward extending body is required to be arranged on the large frame, and then the traction beams are connected with the lower extending body.
Description
Technical Field
The utility model relates to the technical field of railway transportation, in particular to a small chassis assembly.
Background
The multistage equilibrium railway flatcar generally comprises a large frame, a large chassis, a middle chassis, a small chassis and a track running gear from top to bottom in sequence, wherein the large chassis is arranged at the bottom of the large frame, the middle chassis is arranged at the bottom of the large chassis, the small chassis is arranged at the bottom of the middle chassis, the track running gear is arranged at the bottom of the small chassis, and a traction beam is further required to be arranged on the multistage equilibrium railway flatcar so as to be connected with the trolley or the traction car through the traction beam.
In the prior art, the traction beam is usually connected to the large frame, and the large frame is higher on the multistage equilibrium railway flatcar, and the traction beam has the requirement of installation height, so that the installation height of the traction beam cannot be too high, a downward extending lower extension part is connected to the large frame, and the traction beam is connected to the lower extension part, so that the assembly structure of the traction beam is complex.
In view of this, the present utility model has been made.
Disclosure of utility model
The utility model provides a small chassis assembly.
The application provides the following technical scheme:
A small chassis assembly, comprising:
The longitudinal beam is a box-type beam with a concave middle part, the middle part of the longitudinal beam is used for installing a lower core disc, and the bottoms of the two ends of the longitudinal beam are used for installing an upper core disc;
the end sleeper beams are arranged on two sides of the end of the longitudinal beam;
The middle sleeper beam is arranged at the middle position of the longitudinal beam along the length direction and is used for supporting or installing a side bearing device;
The traction beam is connected to one end of the longitudinal beam, an impact seat is arranged at one end of the longitudinal beam in traction Liang Beili, and the impact seat is used for installing a car coupler buffer device.
Further, the longitudinal beam comprises an upper cover plate and a lower cover plate, and the upper cover plate and the lower cover plate are arranged at intervals;
The traction beam is respectively connected with the upper cover plate and the lower cover plate.
Further, the traction beam comprises an upper wing plate and a lower wing plate;
The upper wing plate is connected to the upper cover plate;
the lower wing plate is connected to the lower cover plate.
Further, the upper wing plate comprises a first flat plate part and a first inclined plate part;
The first straight plate part and the first inclined plate part are integrated;
one end of the first inclined plate part, which is away from the first straight plate part, is connected with the upper cover plate.
Further, the lower wing plate includes a second straight plate portion and a second inclined plate portion;
the second straight plate part and the second inclined plate part are integrated;
the first straight plate part and the second straight plate part are parallel;
One end of the second inclined plate part, which is away from the second straight plate part, is connected with the lower cover plate.
Further, the first inclined plate portion and the second inclined plate portion are close to each other at one end close to the longitudinal beam, and the first inclined plate portion and the second inclined plate portion are separated from each other at one end away from the longitudinal beam.
Further, the thickness end face of the first inclined plate part and the thickness end face of the upper cover plate are welded and fixed;
And the thickness end face of the second inclined plate part and the thickness end face of the lower cover plate are welded and fixed.
Further, the stringers include end plates;
the end plate is positioned at one end of the upper cover plate and is respectively connected with the upper cover plate and the lower cover plate;
The draft sill is connected to the end plate.
Further, the traction beam comprises an upper wing plate, a lower wing plate and a web plate for connecting the upper wing plate and the lower wing plate;
The web is welded to the end plate.
Further, the traction beam comprises two webs, and the two webs are arranged at intervals;
The upper wing plate, the lower wing plate and the two webs enclose to form a cavity.
By adopting the technical scheme, the utility model has the following beneficial effects:
according to the application, the traction beam is connected with the small underframe of the multistage equilibrium railway flatcar, so that the installation height of the traction beam meets the requirement, the need of arranging the downward extending body on the large frame when the traction beam is arranged on the large frame is avoided, and then the traction beam is connected with the downward extending body.
Specific embodiments of the present utility model will be described in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding 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 utility model. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort. In the drawings:
FIG. 1 is a schematic view of a small chassis assembly provided by an embodiment of the present application;
FIG. 2 is a side view of FIG. 1;
Fig. 3 is a top view of fig. 1.
In the figure, 1, a longitudinal beam; 2. a traction beam; 3. an end bolster; 4. a middle sleeper beam; 5. side bearing means; 6. a core plate is arranged; 7. a core plate is arranged; 8. an upper cover plate; 9. a lower cover plate; 10. an end plate; 21. a first flat plate portion; 22. a second flat plate portion; 23. a web; 24. a first inclined plate portion; 25. an impact seat; 26. and a second inclined plate portion.
It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; 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 the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 3, the embodiment of the application provides a small chassis assembly, which comprises a longitudinal beam 1, an end sleeper beam 3, a middle sleeper beam 4 and a traction beam 2, wherein the longitudinal beam 1 is a box-type beam with a concave middle part, a track running gear is arranged below the longitudinal beam 1, the middle part of the longitudinal beam 1 is used for installing a lower core disc 6, the middle part of the longitudinal beam 1 is concave to form a concave space, an upper core disc matched with the lower core disc 6 of the small chassis assembly is arranged on the end sleeper beam of the middle chassis on a multistage balanced railway flatcar, the end sleeper beam on the middle chassis is embedded in the concave part of the middle part of the longitudinal beam, the upper core disc and the lower core disc 6 are convenient to cooperate, and the thickness between the middle chassis and the small chassis can be reduced, so that the height of the multistage balanced railway flatcar is reduced, and the stability and the safety of the multistage balanced railway flatcar are improved. The bottoms of the two ends of the longitudinal beam 1 are used for installing an upper core disc 7, a lower core disc matched with the upper core disc 7 is installed on a bogie of the track travelling device, a middle sleeper beam 4 is arranged at the middle position of the longitudinal beam 1 along the length direction, the middle sleeper beam 4 is used for supporting a side bearing device 5, for example, an integrally formed side extension plate is arranged at the position, corresponding to the middle sleeper beam, of an upper cover plate of the longitudinal beam, the middle sleeper beam is positioned at the bottom of the side extension plate, a side bearing device is arranged at the top of the side extension plate, and the side bearing device is used for being in contact with a middle underframe of the multi-level balance railway flatcar. The traction beam 2 is connected to one end of the longitudinal beam 1, an impact seat 25 is arranged at one end of the traction beam 2, which is away from the longitudinal beam 1, the impact seat 25 is used for installing a coupler buffer device, and the coupler buffer device is used for being connected with a trolley or a tractor.
In the scheme, the traction beam is connected with the small underframe of the multistage equilibrium railway flatcar, so that the installation height of the traction beam meets the requirement, the situation that a downward extending body is required to be arranged on the large frame when the traction beam is arranged on the large frame is avoided, and then the traction beam is connected with the downward extending body is avoided.
Referring to fig. 1 and 2, the longitudinal beam 1 includes an upper cover plate 8 and a lower cover plate 9, the upper cover plate 8 and the lower cover plate 9 are arranged at intervals, the traction beam 2 is respectively connected to the upper cover plate 8 and the lower cover plate 9, the traction beam 2 is directly connected with the longitudinal beam 1, and an extension part for connecting the traction beam 2 is prevented from being arranged on a large frame.
The traction beam 2 comprises an upper wing plate and a lower wing plate, wherein the upper wing plate is welded on the upper cover plate 8, and the lower wing plate is welded on the lower cover plate 9.
Referring to fig. 2, the upper wing plate includes a first flat plate portion 21 and a first inclined plate portion 24, the first flat plate portion 21 and the first inclined plate portion 24 being an integral piece, and one end of the first inclined plate portion 24 facing away from the first flat plate portion 21 is connected to the upper cover plate 8.
In the above-described embodiment, since the draft sill 2 has a large thickness and high structural strength, the first inclined plate portion 24 is provided to be connected to the side member 1 in a matching manner, and is welded to the upper cover plate 8 of the side member 1.
Referring to fig. 2, the lower wing plate includes a second flat plate portion 22 and a second inclined plate portion 26, the second flat plate portion 22 and the second inclined plate portion 26 are integrally formed, the first flat plate portion 21 and the second flat plate portion 22 are parallel, and an end of the second inclined plate portion 26 facing away from the second flat plate portion 22 is connected to the lower cover plate 9.
In the above-described embodiment, since the draft sill 2 has a large thickness and high structural strength, the second inclined plate portion 26 is provided to be connected to the side member 1 in a matching manner, and is welded to the lower deck plate 9 of the side member 1.
The first inclined plate portion 24 and the second inclined plate portion 26 are close to one another at one end close to the longitudinal beam 1, and the first inclined plate portion 24 and the second inclined plate portion 26 are separated from one another at one end far away from the longitudinal beam 1 and are used for matching with the structure of the longitudinal beam 1.
The thickness end face of the first inclined plate portion 24 and the thickness end face of the upper cover plate 8 are welded and fixed, and the thickness end face of the second inclined plate portion 26 and the thickness end face of the lower cover plate 9 are welded and fixed.
Referring to fig. 3 (fig. 3 is a partial cross-sectional view, and the rest is not shown), the side member 1 further includes an end plate 10, the end plate 10 is located at one end of the upper cover plate 8, and the end plate 10 is connected to the upper cover plate 8 and the lower cover plate 9, respectively, and the traction beam 2 is connected to the end plate 10.
The draft sill 2 includes an upper wing plate, a lower wing plate, and a web plate 23 connecting the upper and lower wing plates, and the web plate 23 is welded to the end plate 10.
The draft sill 2 comprises two webs 23, the two webs 23 are arranged at intervals, the webs 23 comprise a front slave plate seat and a rear slave plate seat and are used for bearing traction force and impact force, so that the car coupler buffer device achieves a buffer effect, an upper wing plate, a lower wing plate and the two webs 23 enclose to form a cavity, the upper wing plate, the lower wing plate and the two webs 23 are welded to form a box-shaped girder structure, and the structural strength and stability of the draft sill 2 are improved.
Through being connected the small underframe of draft sill 2 and multistage balanced railway flatcar, avoid setting up the extension of connecting draft sill 2 on big frame, reduced the assembly structure of installation draft sill 2, be convenient for install draft sill 2 to small underframe compares with big frame, and the position height is lower, has improved the stability of multistage balanced railway flatcar.
The foregoing description is only illustrative of the preferred embodiment of the present utility model, and is not to be construed as limiting the utility model, but is to be construed as limiting the utility model to any simple modification, equivalent variation and variation of the above embodiments according to the technical matter of the present utility model without departing from the scope of the utility model.
Claims (10)
1. A small chassis assembly, comprising:
The longitudinal beam is a box-type beam with a concave middle part, the middle part of the longitudinal beam is used for installing a lower core disc, and the bottoms of the two ends of the longitudinal beam are used for installing an upper core disc;
the end sleeper beams are arranged on two sides of the end of the longitudinal beam;
The middle sleeper beam is arranged at the middle position of the longitudinal beam along the length direction and is used for supporting or installing a side bearing device;
The traction beam is connected to one end of the longitudinal beam, an impact seat is arranged at one end of the longitudinal beam in traction Liang Beili, and the impact seat is used for installing a car coupler buffer device.
2. The small chassis assembly of claim 1, wherein the stringers comprise an upper deck and a lower deck, the upper deck and the lower deck being spaced apart;
The traction beam is respectively connected with the upper cover plate and the lower cover plate.
3. The small chassis assembly of claim 2, wherein the draft sill comprises an upper wing plate and a lower wing plate;
The upper wing plate is connected to the upper cover plate;
the lower wing plate is connected to the lower cover plate.
4. The small chassis assembly of claim 3, wherein the upper wing panel comprises a first flat plate portion and a first inclined plate portion;
The first straight plate part and the first inclined plate part are integrated;
one end of the first inclined plate part, which is away from the first straight plate part, is connected with the upper cover plate.
5. The small chassis assembly of claim 4, wherein the lower wing panel comprises a second straight panel portion and a second inclined panel portion;
the second straight plate part and the second inclined plate part are integrated;
the first straight plate part and the second straight plate part are parallel;
One end of the second inclined plate part, which is away from the second straight plate part, is connected with the lower cover plate.
6. The small chassis assembly of claim 5, wherein the first angled plate portion and the second angled plate portion are closed together at an end proximate the longitudinal beam, and wherein the first angled plate portion and the second angled plate portion are separated at an end distal from the longitudinal beam.
7. The small chassis assembly of claim 5, wherein a thickness end face of the first inclined plate portion and a thickness end face of the upper cover plate are welded and fixed;
And the thickness end face of the second inclined plate part and the thickness end face of the lower cover plate are welded and fixed.
8. The small chassis assembly of claim 2, wherein the stringers comprise end plates;
the end plate is positioned at one end of the upper cover plate and is respectively connected with the upper cover plate and the lower cover plate;
The draft sill is connected to the end plate.
9. The small chassis assembly of claim 8, wherein the draft sill comprises an upper wing plate, a lower wing plate, and a web connecting the upper and lower wing plates;
The web is welded to the end plate.
10. The small chassis assembly of claim 9, wherein the draft sill comprises two webs spaced apart;
The upper wing plate, the lower wing plate and the two webs enclose to form a cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322774977.6U CN220947989U (en) | 2023-10-17 | 2023-10-17 | Small underframe assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322774977.6U CN220947989U (en) | 2023-10-17 | 2023-10-17 | Small underframe assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220947989U true CN220947989U (en) | 2024-05-14 |
Family
ID=91009441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322774977.6U Active CN220947989U (en) | 2023-10-17 | 2023-10-17 | Small underframe assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220947989U (en) |
-
2023
- 2023-10-17 CN CN202322774977.6U patent/CN220947989U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |