CN212473461U - Rail vehicle tip chassis structure and rail vehicle - Google Patents
Rail vehicle tip chassis structure and rail vehicle Download PDFInfo
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- CN212473461U CN212473461U CN202021067187.4U CN202021067187U CN212473461U CN 212473461 U CN212473461 U CN 212473461U CN 202021067187 U CN202021067187 U CN 202021067187U CN 212473461 U CN212473461 U CN 212473461U
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- sleeper
- lap joint
- sleeper beam
- rail vehicle
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Abstract
The utility model relates to a rail vehicle tip chassis structure and rail vehicle, tip chassis structure longeron, chassis crossbeam and floor in bumper beam, draw beam, sleeper beam, boundary beam, the pillow, the floor disconnection is installed the both sides of sleeper beam, the upper surface and the on-floor surface parallel and level of sleeper beam, through first overlap joint structure welded connection between sleeper beam and the floor. The utility model discloses planar difference in height is zero on plane and the floor on the sleeper beam, makes sleeper beam section bar thickness increase, and automobile body chassis floor by the sleeper beam disconnection, rethread overlap joint welded mode fixed connection is in the same place, not only can effectively increase tip chassis overall structure intensity and rigidity, especially the regional structural strength and the rigidity of sleeper beam, the power transmission performance when being favorable to promoting moreover between buffer beam, draw beam, sleeper beam, the floor atress.
Description
Technical Field
The utility model relates to a rail vehicle tip chassis structure.
Background
The end part of the underframe of the railway passenger car generally comprises a buffer beam, a traction beam and a sleeper beam which form an integral welding structure, and the integral welding structure is an important stressed part of the railway passenger car and directly influences the stressed performance of the railway passenger car. The designed highest speed per hour of a traditional B-type subway train is generally 80km/h, the floor is installed above a sleeper beam and a traction beam in a full length mode, and the lower surface of the floor is connected with the sleeper beam and the traction beam in a welding mode. In recent years, along with the development of urban rail transit, the urban scale is enlarged, higher requirements on the speed per hour of a train are required, at present, urban rail vehicles with the speed per hour of 120km/h and 140km/h exist, and the existing end part structure of the underframe cannot meet the requirements on the higher speed per hour.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides one kind and can effectively increase tip chassis overall structure intensity and rigidity, and power transmission performance when being favorable to promoting the atress between buffer beam, draw beam, sleeper beam, the floor adapts to the rail vehicle tip chassis structure of higher speed bogie, provides a rail vehicle who has this tip chassis structure simultaneously.
In order to achieve the above purpose, the technical scheme of the utility model is that:
the underframe structure at the end part of the railway vehicle comprises a buffer beam, a traction beam, a sleeper beam, a boundary beam, an in-sleeper longitudinal beam, an underframe cross beam and a floor, wherein the floor is disconnected and installed on two sides of the sleeper beam, the upper surface of the sleeper beam is flush with the upper surface of the floor, and the sleeper beam is welded and connected with the floor through a first lap joint structure.
Furthermore, the first lap joint structure comprises first lap joint edges extending outwards from webs on two sides of the sleeper beam, first lap joint surfaces corresponding to the first lap joint edges and having a downward concave structure on the edge of the upper surface of the sleeper beam, and floor lap joint edges extending outwards from the upper surface of the floor, wherein the floor lap joint edges of the floor and the lower surface of the floor are respectively lapped on the first lap joint surfaces and the first lap joint edges of the sleeper beam and are connected in a welding mode.
Furthermore, the upper surfaces of the buffer beam, the traction beam, the sleeper beam and the floor are parallel and level, the floor is disconnected and installed among the buffer beam, the traction beam and the sleeper beam, the traction beam and the floor are connected through a second lap joint structure in a welded mode, and the buffer beam and the floor are connected through a third lap joint structure in a welded mode.
Furthermore, the second overlapping structure comprises a second overlapping surface which is of a downward sunken structure and a second overlapping edge which extends outwards from a web plate of the traction beam, wherein the edge of the upper surface of the traction beam is provided with the second overlapping surface, and the second overlapping edge and the lower surface of the floor are respectively overlapped on the second overlapping surface and the second overlapping edge of the traction beam and are connected in a welding mode.
Furthermore, the third overlap joint structure includes that the upper surface edge of bumper beam has the third faying surface that is undercut structure and the third faying edge that outwards stretches out on the web of bumper beam, the floor faying edge and the floor lower surface on floor overlap joint respectively the third faying surface and the third faying edge of bumper beam and welded connection.
Further, the floor is installed above the sleeper inner longitudinal beam, the floor is connected with the sleeper inner longitudinal beam in a welding mode, and the end portion of the sleeper inner longitudinal beam is inserted between the first lap joint edge of the sleeper beam and the lower plate of the sleeper beam and is connected with the sleeper beam in a welding mode.
Further, the sleeper beam is an aluminum alloy section and comprises an upper plate, a lower plate and a plurality of webs parallel to the middle, the width of the upper plate is the same as that between two webs on the outermost side, and the width of the lower plate is larger than that of the upper plate.
Furthermore, the sleeper beam is composed of a pair of aluminum alloy sections, each section is composed of an upper plate, a lower plate and two web plates parallel to the middle, and the upper plate and the lower plate of the two sections are mutually butted, welded and connected to form a complete sleeper beam section.
Furthermore, convex wing plates are respectively arranged at the joint positions of the lower plate of the sleeper beam, which are connected with the boundary beam, the traction beam and the sleeper inner longitudinal beam.
The utility model discloses a another technical scheme is:
a rail vehicle comprises an underframe, wherein the end part of the underframe adopts the end underframe structure.
To sum up, the utility model provides a pair of rail vehicle tip chassis structure and rail vehicle compares with prior art, has following advantage:
(1) according to the end underframe structure, the height difference between the upper plane of the sleeper beam and the upper plane of the floor is zero, so that the thickness of a section bar of the sleeper beam is increased, the floor of the underframe of the vehicle body is disconnected by the sleeper beam and fixedly connected together in a lap welding mode, the overall structural strength and rigidity of the end underframe, particularly the structural strength and rigidity of the sleeper beam area, can be effectively increased, and the force transfer performance among the buffer beam, the traction beam, the sleeper beam and the floor during stress can be favorably improved.
(2) According to the end underframe structure, the sleeper beam is embedded between the floors, so that the mounting height of the sleeper beam is equivalently moved upwards, more mounting space is reserved for a bogie below, and the end underframe structure can adapt to the mounting of a bogie with higher speed.
Drawings
FIG. 1 is a first view of the structure of the end underframe of the present invention;
FIG. 2 is a second structural view of the end underframe of the present invention;
fig. 3 is a cross-sectional structure view of the sleeper beam of the present invention.
As shown in fig. 1 to 3, a bumper beam 1, an upper plate 1a, a lower plate 1b, a web 1c, a draft sill 2, an upper plate 2a, a lower plate 2b, a web 2c, a bolster 3, an upper plate 3a, a lower plate 3b, a web 3c, a coupler mounting plate 4, an in-sleeper longitudinal beam 5, an underframe cross beam 6, a first overlap edge 7, a first overlap surface 8, a second overlap surface 9, a second overlap edge 10, a third overlap surface 11, a wing plate 12, a wing plate 13, a reinforcing rib plate 14, a reinforcing rib plate 15, a reinforcing rib plate 16, a wing plate 17, a reinforcing rib plate 18, and a third overlap edge 19.
Detailed Description
The invention will be described in further detail with reference to the following detailed description and accompanying drawings:
as shown in fig. 1 and 2, the utility model provides a pair of rail vehicle tip chassis structure, longeron 5, chassis crossbeam 6 and floor (not shown in the figure) in bumper beam 1, draw beam 2, sleeper beam 3, boundary beam, the pillow, draw beam 2's both ends and bumper beam 1 and sleeper beam 3 welded connection, draw beam 2 includes two of parallel, installs coupling mounting panel 4 between two draw beams 2, longeron 5 in the opposite side welding pillow of sleeper beam 3, longeron 5 is two of parallel in the pillow, the other end welding chassis crossbeam 6 of longeron 5 in the pillow.
As shown in fig. 3, the sleeper beam 3 is made of an aluminum alloy profile, and is composed of an upper plate 3a, a lower plate 3b and a plurality of webs 3c parallel to the middle, the width of the upper plate 3a is the same as the width between the two outermost webs 3c, the width of the lower plate 3b is larger than the width of the upper plate 3a, and both sides of the lower plate 3b are respectively provided with a part extending out of the webs 3 c. More preferably, the sleeper beam 3 is composed of a pair of aluminum alloy profiles, each profile is composed of an upper plate 3a, a lower plate 3b and two web plates 3c parallel to the middle, and the upper plate 3a and the lower plate 3b of the two profiles are mutually connected in a butt welding mode to form a complete sleeper beam profile.
As shown in fig. 1 to 3, in the present embodiment, after the bolster 3 and the floor are installed, the upper surface of the bolster 3 is flush with the upper surface of the floor, more preferably, the upper surfaces of the bumper beam 1, the traction beam 2, the bolster 3 and the floor are all flush, the floor is installed on both sides of the bolster 3 in a broken manner, and the floor is installed between the bumper beam 1, the two traction beams 2 and the bolster 3 in a broken manner.
In this embodiment, it is preferable that the bolster 3 and the floor are welded together by a first lap joint structure, the draft sill 2 and the floor are welded together by a second lap joint structure, and the bumper beam 1 and the floor are welded together by a third lap joint structure.
Specifically, the first overlapping structure between the bolster 3 and the floor includes first overlapping edges 7 respectively extending outward on the web 3c on both sides of the bolster 3, first overlapping surfaces 8 corresponding to the first overlapping edges 7 and having a downwardly concave structure on the upper surface edge of the upper plate 3a of the bolster 3, and floor overlapping edges (not shown in the figure) extending outward on the upper surface of the floor. Since the floor is installed on both sides of the body bolster 3, the first overlapping surfaces 8 are provided on both sides of the upper surface of the body bolster 3, and the first overlapping sides 7 are provided on the outer sides of the two outermost web plates 3 c. The first overlap 7 on the side facing the trailing beam 2 is broken at the point of connection of the trailing beam 2. The floor lap edges of the floor and the lower surface of the floor are respectively lapped on the first lap surface 8 and the first lap edge 7 of the sleeper beam 3 and are welded and connected.
The draft sill 2 is also composed of an upper plate 2a, a lower plate 2b and a web 2c in the middle, and the second overlapping structure between the draft sill 2 and the floor includes a second overlapping surface 9 having a downwardly concave structure at the upper surface edge of the upper plate 2a of each draft sill 2 and a second overlapping edge 10 protruding outward on the web 2c of the draft sill 2. As the floors are arranged on two sides of each draft sill 2, the two sides of each draft sill 2 are provided with the second lapping surface 9 and the second lapping edge 10, and the floor lapping edge and the lower surface of the floor are respectively lapped on the second lapping surface 9 and the second lapping edge 10 on one side corresponding to the draft sill 2 and are connected in a welding mode.
The bumper beam 1 is also composed of an upper plate 1a, a lower plate 1b and a middle web plate 1c, a third lap joint structure between the bumper beam 1 and the floor plate comprises a third lap joint surface 11 which is of a downward concave structure and a third lap joint edge 19 which extends outwards on the web plate 1c of the bumper beam 1 in the direction of the floor plate, wherein the edge of the upper surface of the upper plate 1a of the bumper beam 1 is provided with the third lap joint surface 11, the third lap joint edge 19 extends outwards in the direction of the floor plate, and the floor lap joint edge and the lower surface of the floor plate are respectively lapped on the third lap joint surface 11 and the third lap joint edge 19 of the.
The floor is arranged above the sleeper inner longitudinal beam 5 and the underframe cross beam 6, and the floor is connected with the sleeper inner longitudinal beam 5 and the underframe cross beam 6 in a welding way. The end of the inner longitudinal beam 5 is inserted between the first overlapping edge 7 of the bolster 3 and the bolster lower plate 3b and is welded.
As shown in fig. 1, in order to increase the connection strength between the members and further improve the overall structural strength and rigidity of the end underframe, in the present embodiment, the lower plate 3b of the bolster 3 has flanges 12 protruding in the direction of the side sill at the joint positions with the side sill, and the flanges 12 are provided at the four corners of the lower plate 3b of the bolster. The lower plate 3b of the sleeper beam 3 is provided with a wing plate 13 protruding towards the direction of the towing beam 2 at the interface position connected with the towing beam 2, a reinforcing rib plate 14 is welded at the joint of the towing beam 2 and the wing plate 13, and a plurality of vertical reinforcing rib plates 16 are welded between the wing plate 13 and the web plate 3c of the sleeper beam 3. The lower plate 3b of the sleeper beam 3 is provided with a wing plate 17 protruding towards the sleeper inner longitudinal beam 5 at the interface position connected with the sleeper inner longitudinal beam 5, a plurality of vertical reinforcing rib plates 18 are welded between the wing plate 17 and the web plate 3c of the sleeper beam 3, and reinforcing rib plates 15 are welded at the joints between the sleeper inner longitudinal beam 5 and the underframe cross beam 6 as well as between the sleeper inner longitudinal beam 5 and the wing plate 17 of the sleeper beam 3.
The utility model discloses provide a rail vehicle simultaneously, including roof, side wall, headwall, chassis and bogie etc. the tip of chassis adopts as above tip chassis structure.
According to the end underframe structure, after installation, the height difference between the upper plane of the sleeper beam 3 and the upper plane of the floor is zero, so that the thickness of a section bar of the sleeper beam 3 is increased, the floor of the underframe of the vehicle body is disconnected from the sleeper beam 3 and is fixedly connected together in a lap welding manner, the overall structural strength and rigidity of the end underframe, particularly the structural strength and rigidity of the sleeper beam area, can be effectively increased, and the force transfer performance of the buffer beam 1, the traction beam 2, the sleeper beam 3 and the floor under stress can be improved. Meanwhile, the end underframe structure is embedded between the floors, namely the mounting height of the sleeper beam 3 is moved upwards, so that more mounting space is reserved for a lower bogie, and the end underframe structure can adapt to the mounting of a higher-speed bogie.
Similar solutions can be derived from the solution given in the figures, as described above. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention are still within the scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a rail vehicle tip chassis structure, longeron, chassis crossbeam and floor in buffer beam, draw beam, sleeper beam, boundary beam, the pillow, its characterized in that: the floor is disconnected and installed on two sides of the sleeper beam, the upper surface of the sleeper beam is flush with the upper surface of the floor, and the sleeper beam is connected with the floor through a first lap joint structure in a welding mode.
2. A rail vehicle end underframe structure according to claim 1, wherein: the first lap joint structure comprises first lap joint edges extending outwards from webs on two sides of the sleeper beam, a first lap joint surface corresponding to the first lap joint edges and having a downward concave structure on the edge of the upper surface of the sleeper beam, and floor lap joint edges extending outwards from the upper surface of the floor, wherein the floor lap joint edges of the floor and the lower surface of the floor are respectively lapped on the first lap joint surface and the first lap joint edge of the sleeper beam and are connected in a welding mode.
3. A rail vehicle end underframe structure according to claim 2, wherein: the upper surfaces of the buffer beam, the traction beam, the sleeper beam and the floor are parallel and level, the floor is disconnected and installed among the buffer beam, the traction beam and the sleeper beam, the traction beam and the floor are connected through a second lap joint structure in a welded mode, and the buffer beam and the floor are connected through a third lap joint structure in a welded mode.
4. A rail vehicle end underframe structure according to claim 3, wherein: the second lap joint structure comprises a second lap joint surface of a downward sunken structure and a second lap joint edge extending outwards from a web plate of the draft sill, wherein the edge of the upper surface of the draft sill is provided with the second lap joint surface and the second lap joint edge, and the floor lap joint edge and the lower surface of the floor are respectively lapped on the second lap joint surface and the second lap joint edge of the draft sill and are connected in a welding mode.
5. A rail vehicle end underframe structure according to claim 3, wherein: the third overlap joint structure comprises a third overlap joint surface which is of a downward sunken structure and a third overlap joint edge which extends outwards from a web plate of the bumper beam, wherein the edge of the upper surface of the bumper beam is provided with the third overlap joint surface and the third overlap joint edge, and the floor overlap joint edge and the lower surface of the floor are respectively overlapped on the third overlap joint surface and the third overlap joint edge of the bumper beam and are connected in a welding mode.
6. A rail vehicle end underframe structure according to claim 1, wherein: the floor is installed above the sleeper inner longitudinal beam, the floor is connected with the sleeper inner longitudinal beam in a welding mode, and the end portion of the sleeper inner longitudinal beam is inserted between the first lap edge of the sleeper beam and the lower plate of the sleeper beam and is connected with the sleeper beam in a welding mode.
7. A rail vehicle end underframe structure according to any one of claims 1-6, characterized in that: the sleeper beam is an aluminum alloy section and comprises an upper plate, a lower plate and a plurality of webs parallel to the middle, the width of the upper plate is the same as that between two webs on the outermost side, and the width of the lower plate is larger than that of the upper plate.
8. A rail vehicle end underframe structure according to claim 7, wherein: the sleeper beam is composed of a pair of aluminum alloy sections, each section is composed of an upper plate, a lower plate and two web plates parallel to the middle, and the upper plate and the lower plate of the two sections are mutually connected in a butt welding mode to form a complete sleeper beam section.
9. A rail vehicle end underframe structure according to claim 7, wherein: and convex wing plates are respectively arranged at the joint positions of the lower plate of the sleeper beam, which are connected with the boundary beam, the traction beam and the sleeper inner longitudinal beam.
10. A rail vehicle comprising an underframe, characterized in that: the end of the chassis adopts an end chassis structure as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021067187.4U CN212473461U (en) | 2020-06-11 | 2020-06-11 | Rail vehicle tip chassis structure and rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021067187.4U CN212473461U (en) | 2020-06-11 | 2020-06-11 | Rail vehicle tip chassis structure and rail vehicle |
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| CN212473461U true CN212473461U (en) | 2021-02-05 |
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| CN202021067187.4U Active CN212473461U (en) | 2020-06-11 | 2020-06-11 | Rail vehicle tip chassis structure and rail vehicle |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112937623A (en) * | 2021-03-29 | 2021-06-11 | 北京轨道交通技术装备集团有限公司 | Rail vehicle chassis with large-section traction and bolster buffering structure |
| CN112937624A (en) * | 2021-03-30 | 2021-06-11 | 北京轨道交通技术装备集团有限公司 | Underframe traction and bolster buffering structure |
| CN113276897A (en) * | 2021-06-22 | 2021-08-20 | 中车株洲电力机车有限公司 | Subway vehicle |
| CN115042830A (en) * | 2022-06-21 | 2022-09-13 | 中车青岛四方机车车辆股份有限公司 | Sleeper beam structure for a rail vehicle and method for producing a sleeper beam structure |
| CN117922624A (en) * | 2024-03-21 | 2024-04-26 | 成都中车长客轨道车辆有限公司 | Rail transit vehicle underframe structure and processing method |
-
2020
- 2020-06-11 CN CN202021067187.4U patent/CN212473461U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112937623A (en) * | 2021-03-29 | 2021-06-11 | 北京轨道交通技术装备集团有限公司 | Rail vehicle chassis with large-section traction and bolster buffering structure |
| CN112937624A (en) * | 2021-03-30 | 2021-06-11 | 北京轨道交通技术装备集团有限公司 | Underframe traction and bolster buffering structure |
| CN113276897A (en) * | 2021-06-22 | 2021-08-20 | 中车株洲电力机车有限公司 | Subway vehicle |
| CN115042830A (en) * | 2022-06-21 | 2022-09-13 | 中车青岛四方机车车辆股份有限公司 | Sleeper beam structure for a rail vehicle and method for producing a sleeper beam structure |
| CN117922624A (en) * | 2024-03-21 | 2024-04-26 | 成都中车长客轨道车辆有限公司 | Rail transit vehicle underframe structure and processing method |
| CN117922624B (en) * | 2024-03-21 | 2024-06-11 | 成都中车长客轨道车辆有限公司 | Rail transit vehicle underframe structure and processing method |
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