CN221138073U - Framework and bogie - Google Patents
Framework and bogie Download PDFInfo
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- CN221138073U CN221138073U CN202322774980.8U CN202322774980U CN221138073U CN 221138073 U CN221138073 U CN 221138073U CN 202322774980 U CN202322774980 U CN 202322774980U CN 221138073 U CN221138073 U CN 221138073U
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- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004075 alteration Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The embodiment of the application provides a framework and a bogie, wherein the framework comprises a cross beam and two side beams. The two side beams are arranged at intervals, and the middle parts of the side beams are used for arranging side bearing devices. The crossbeam sets up between two curb girders, be provided with down the core dish on the crossbeam, the crossbeam is along perpendicular curb girder length direction's both sides all are provided with two linking arms, two linking arm interval and parallel arrangement, the linking arm of both sides is connected in different curb girders respectively on the crossbeam, two on each side on the crossbeam enclose between linking arm and the corresponding curb girder and close and form the drill way. In the application, the orifice formed between the cross beam and the side beam not only has the functions of reducing weight and saving materials, but also is convenient for avoiding other structures on the framework, and is beneficial to the reasonable arrangement of the structures on the framework.
Description
Technical Field
The application relates to the technical field of railway wagon frameworks, in particular to a framework and a bogie.
Background
The three-axle bogie has a larger load and a higher freight capacity than the two-axle bogie. However, the traditional triaxial bogie is usually high in dead weight, and the comprehensive performance of the whole car is affected.
The existing bogie generally comprises a cross beam and two side beams, wherein the cross beam is arranged between the two side beams, the cross beam of the triaxial bogie is large in size, if the cross beam adopts an integral beam structure and is not provided with a hollowed-out or avoiding structure, the whole cross beam is heavy, the comprehensive performance of the whole bogie is influenced, and the arrangement of other structural modules on the bogie is influenced.
Disclosure of utility model
The embodiment of the application provides a framework and a bogie, which reduce the weight and facilitate the reasonable arrangement of various structures on the framework.
The application provides the following technical scheme:
a first object of the present application is to provide a frame comprising:
the two side beams are arranged at intervals, and the middle parts of the side beams are used for arranging side bearing devices;
The crossbeam, the crossbeam sets up between two curb girders, be provided with down the core dish on the crossbeam, the crossbeam is along perpendicular curb girder length direction's both sides all are provided with two linking arms, two linking arm interval and parallel arrangement, the linking arm of both sides is connected in different curb girders respectively on the crossbeam, two on each side on the crossbeam enclose between linking arm and the corresponding curb girder and close and form the drill way.
Optionally, each side beam is provided with two connection matching parts, each connection matching part comprises first connection sheets arranged at intervals, the two first connection sheets are sequentially arranged at intervals along the thickness direction of the side beam, and the first connection sheets extend along the width direction of the side beam;
The connecting arms extend to between the two first connecting pieces of the connecting matching part, and are respectively welded and fixed with the two first connecting pieces.
Optionally, the side beam comprises an upper cover plate, a lower cover plate and a web plate connecting the upper cover plate and the lower cover plate;
two first connecting pieces for connecting the matching parts are respectively arranged on the upper cover plate and the lower cover plate;
the end part of the connecting arm is propped against the web plate;
the connecting arm and the web are welded and fixed.
Optionally, the edge of the first connecting piece and the edge of the upper cover plate are in smooth transition through an arc edge.
Optionally, the framework comprises a mounting seat, an opening is formed in the upper cover plate, and at least part of the mounting seat is inserted and mounted in the side beam through the opening;
The mounting seat is provided with a groove, and the notch of the groove is exposed out of the upper cover plate;
the groove is used for installing a side bearing device.
Optionally, the connecting arm comprises two second connecting pieces arranged at intervals;
The two second connecting pieces extend to the space between the two first connecting pieces of the connecting matching part, the second connecting pieces are perpendicular to the first connecting pieces, and the second connecting pieces are welded to the first connecting pieces and the web plates.
Optionally, the connecting arm further comprises a reinforcing plate;
The reinforcing plate is arranged between the two second connecting pieces, and the reinforcing plate is respectively connected with the two second connecting pieces.
Optionally, the cross beam includes a middle body, and an upper surface of the middle body is lower than a top wall of the side beam;
The middle body is provided with the lower core disc;
one end of the connecting arm is connected with the middle body, and the other end of the connecting arm extends upwards to the side beam.
Optionally, each side beam is provided with three axle box mounting seats, and each axle box mounting seat is sequentially arranged at intervals along the length direction of the side beam.
Optionally, an upper arch part is arranged on the lower surface of the cross beam, and the upper arch part is positioned at the middle part of the cross beam along the length direction of the side beam;
The upper arch part extends along the arrangement direction of the two vertical side beams;
The upper arch part is used for avoiding the axle.
A second object of the present application is to provide a bogie comprising:
A frame;
And the axle is connected with the framework, and wheels are arranged at two ends of the axle.
By adopting the technical scheme, the embodiment of the application has the following technical effects:
The orifice formed between the cross beam and the side beam of the framework not only has the functions of reducing weight and saving materials, but also is convenient for avoiding other structures on the framework, and is beneficial to reasonable arrangement of the structures on the framework.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
fig. 1 is a schematic perspective view of a framework according to an embodiment of the present application;
FIG. 2 shows a schematic structural view of a cross beam of a framework provided by an embodiment of the present application;
FIG. 3 shows a schematic structural view of a side member of a frame provided by an embodiment of the present application;
FIG. 4 shows a partial block diagram of a bogie provided by an embodiment of the present application;
fig. 5 shows a cross-sectional view of a bogie provided by an embodiment of the present application.
Reference numerals: 1. a side beam; 11. an upper cover plate; 12. a lower cover plate; a. a first connecting piece; 13. a web; 14. a mounting base; 2. a cross beam; 21. a middle body; 22. a connecting arm; 221. a second connecting piece; 222. a reinforcing plate; 23. an upper arch part; 3. axle box mounting seats; 4. an axle; 5. a wheel; b. an orifice.
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following detailed description of exemplary embodiments of the present application is provided in conjunction with the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present application and not exhaustive of all embodiments. It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.
Example 1
Referring to fig. 1 to 5, a first embodiment of the present application provides a frame, including: a cross member 2 and two side members 1. The two side beams 1 are arranged at intervals, and the middle parts of the side beams 1 are used for arranging side bearing devices which are used for being matched with the underframe of the top. The cross beam 2 is arranged between the two side beams 1, and a lower core disc is arranged on the cross beam 2 and used for being connected with an upper core disc on the underframe. The beam 2 is provided with two connecting arms 22 along two sides perpendicular to the length direction of the side beam 1, the two connecting arms 22 are arranged at intervals and in parallel, the connecting arms 22 on two sides of the beam 2 are respectively connected with different side beams 1, and an orifice b is formed by enclosing between the two connecting arms 22 on each side of the beam 2 and the corresponding side beam 1. The aperture b formed between the cross beam 2 and the side beam 1 not only has the functions of reducing weight and saving materials, but also is convenient for avoiding other structures on the framework, thereby being beneficial to the reasonable arrangement of the structures on the framework, such as the installation of a braking device or other structures on the framework.
In one possible embodiment, as shown in fig. 2 and 3, each of the side members 1 has two connection fitting portions including first connection pieces a provided at intervals, the two first connection pieces a being provided at intervals in order in the thickness direction (the thickness direction may be understood as the dimension in the up-down direction in fig. 3) of the side member 1, the first connection pieces a extending in the width direction of the side member 1. The connecting arm 22 extends between two first connecting pieces a of the connecting fitting part, and the connecting arm 22 is welded and fixed with the two first connecting pieces a respectively. The arrangement of the connecting and matching part facilitates the connection and assembly with the cross beam 2.
Optionally, the side beam 1 includes an upper cover plate 11, a lower cover plate 12, and a web 13 connecting the upper cover plate 11 and the lower cover plate 12, and two first connecting pieces a of the connecting mating portion are respectively disposed on the upper cover plate 11 and the lower cover plate 12, where the first connecting pieces a and the corresponding cover plates may be integrally formed.
The end part of the connecting arm 22 abuts against the web 13, and the connecting arm 22 and the web 13 are welded and fixed. The connecting arm 22 is welded and fixed with the first connecting sheet and the web 13, so that the strength of the connecting structure is improved.
The edge of the first connecting piece a and the edge of the upper cover plate 11 are in smooth transition through the arc edge, so that stress concentration is avoided, cracking is not easy to occur, and the service life is prolonged.
The frame comprises a mounting seat 14, an opening is arranged on the upper cover plate 11, and at least part of the mounting seat 14 is inserted and mounted in the side beam 1 through the opening. The mounting seat 14 has a groove, and a notch of the groove is exposed from the upper cover plate 11. The groove is used for installing a side bearing device.
The grooves of the mounting seat 14 are mostly positioned in the side beam 1, so that most of the structure of the side bearing device is positioned in the box-type side beam 1, and the height of the side bearing device protruding out of the box-type beam body is reduced.
The mounting seat 14 may include a box portion having the groove and the notch, and a flange portion connected to the box portion and extending along an edge of the notch, the box portion being inserted into the cavity of the longitudinal beam through the opening, and the flange portion being attached to the upper cover plate 11. The burring may be fastened to the upper cover plate 11 by a fastener or by welding.
Referring to fig. 2 and 3, the connecting arm 22 includes two second connecting pieces 221 disposed at intervals, the two second connecting pieces 221 extend between two first connecting pieces a of the connection mating portion, the second connecting pieces 221 are perpendicular to the first connecting pieces a, and the second connecting pieces 221 are welded to the first connecting pieces a and the web 13.
Referring to fig. 2, the connecting arm 22 further includes a reinforcing plate 222, the reinforcing plate 222 is disposed between the two second connecting pieces 221, and the reinforcing plate 222 is respectively connected to the two second connecting pieces 221, and the reinforcing plate 222 enhances the structural strength of the connecting arm 22.
In a possible embodiment, the cross member 2 includes a middle body 21, the upper surface of the middle body 21 is lower than the top wall (upper cover plate) of the side member 1, the lower core plate is disposed on the middle body 21, one end of the connecting arm 22 is connected to the middle body 21, and the other end of the connecting arm 22 extends upward to the side member 1. The middle part of the cross beam 2 forms a concave structure, so that the core disc is sunk and arranged in the middle part of the cross beam 2, and the side bearing is embedded and arranged in the groove, so that the installation height of the core disc device and the side bearing device is reduced, the overall longitudinal height of the underframe and the framework is reduced, the center of gravity of the whole vehicle is reduced, the stability of the whole vehicle is improved, and the framework and the whole vehicle are convenient to optimize layout.
In one possible embodiment, as shown in fig. 1 and 4, three axle box mounts 3 are provided on each of the side members 1, and the axle box mounts 3 are sequentially spaced apart in the longitudinal direction of the side member 1. By providing three axle box mounting seats 3 on each side beam 1, three axle boxes can be conveniently mounted, and further three axles 4 are mounted, and wheels 5 are respectively mounted at two ends of the three axles 4.
Referring to fig. 4 and 5, the lower surface of the cross member 2 is provided with an upper arch 23, and the upper arch 23 is located at a central position of the cross member 2 in the longitudinal direction of the side member 1. The upper arch 23 extends in a direction perpendicular to the arrangement direction of the two side members 1, i.e., parallel to the axle. The provision of the upper arch 23 facilitates further optimisation of the frame space layout, for example, by enabling the axle 4 to be closer to the frame and reducing the height of the bogie. The cross beam 2 may include a second upper cover plate and a second lower cover plate, and a middle portion of the second lower cover plate of the cross beam 2 is protruded upward to form an upper arch portion 23. The second upper cover plate of the cross beam 2 can be bent in the middle to sink to form a concave structure, so that the lower core disc can be conveniently installed.
Example two
Referring to fig. 1 to 5, a second embodiment of the present application provides a bogie at the same time, including: axle 4 and the frame in the first embodiment described above. Three axle box mounting seats 3 are arranged on each side beam 1 of the framework, each axle box is respectively mounted on the corresponding axle box mounting seat 3, the three axle boxes on the two side beams 1 are opposite one by one, three axle shafts 4 are respectively mounted on a group of opposite axle boxes, bearings can be arranged between the axle shafts 4 and the axle boxes, and wheels 5 are arranged at two ends of the axle shafts 4.
While preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present application without departing from the spirit or scope of the application. Thus, it is intended that the present application also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (9)
1. A frame, comprising:
the two side beams are arranged at intervals, and the middle parts of the side beams are used for arranging side bearing devices;
The cross beam is arranged between two side beams, a lower core disc is arranged on the cross beam, two connecting arms are arranged on two sides of the cross beam along the direction perpendicular to the length direction of the side beams, the two connecting arms are arranged at intervals and in parallel, the connecting arms on two sides of the cross beam are respectively connected with different side beams, and an orifice is formed by enclosing between the two connecting arms on each side of the cross beam and the corresponding side beam;
Each side beam is provided with two connecting and matching parts, each connecting and matching part comprises first connecting sheets which are arranged at intervals, the two first connecting sheets are sequentially arranged at intervals along the thickness direction of the side beam, and the first connecting sheets extend along the width direction of the side beam;
The connecting arms extend to between the two first connecting pieces of the connecting matching part, and are respectively welded and fixed with the two first connecting pieces.
2. The frame of claim 1, wherein the side sill includes an upper deck, a lower deck, and a web connecting the upper and lower decks;
two first connecting pieces for connecting the matching parts are respectively arranged on the upper cover plate and the lower cover plate;
the end part of the connecting arm is propped against the web plate;
the connecting arm and the web are welded and fixed.
3. The frame of claim 2, wherein the edge of the first connecting piece and the edge of the upper cover plate are smoothly transitioned by a circular arc edge.
4. The frame of claim 2, including a mounting bracket having an opening in said upper cover panel, said mounting bracket being at least partially structured to be inserted through said opening and mounted to the interior of said side sill;
The mounting seat is provided with a groove, and the notch of the groove is exposed out of the upper cover plate;
the groove is used for installing a side bearing device.
5. The frame of claim 2, wherein the connecting arm includes two second connecting tabs spaced apart;
The two second connecting pieces extend to the space between the two first connecting pieces of the connecting matching part, the second connecting pieces are perpendicular to the first connecting pieces, and the second connecting pieces are welded to the first connecting pieces and the web plates.
6. The frame of claim 5, wherein the connecting arms further comprise a reinforcing plate;
The reinforcing plate is arranged between the two second connecting pieces, and the reinforcing plate is respectively connected with the two second connecting pieces.
7. The frame as claimed in any one of claims 1 to 6, wherein the cross member includes a central body, an upper surface of the central body being lower than a top wall of the side member;
The middle body is provided with the lower core disc;
one end of the connecting arm is connected with the middle body, and the other end of the connecting arm extends upwards to the side beam.
8. The frame as claimed in any one of claims 1 to 6, wherein the lower surface of the cross member is provided with an upper arch portion, the upper arch portion being located at a central position on the cross member in a longitudinal direction of the side member;
The upper arch part extends along the arrangement direction of the two vertical side beams;
The upper arch part is used for avoiding the axle.
9. A bogie, comprising:
A framework as defined in any one of claims 1-8;
And the axle is connected with the framework, and wheels are arranged at two ends of the axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322774980.8U CN221138073U (en) | 2023-10-17 | 2023-10-17 | Framework and bogie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322774980.8U CN221138073U (en) | 2023-10-17 | 2023-10-17 | Framework and bogie |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221138073U true CN221138073U (en) | 2024-06-14 |
Family
ID=91431161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322774980.8U Active CN221138073U (en) | 2023-10-17 | 2023-10-17 | Framework and bogie |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221138073U (en) |
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2023
- 2023-10-17 CN CN202322774980.8U patent/CN221138073U/en active Active
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