CN112061162A - Straddle type monorail vehicle body chassis side beam and side wall connecting structure - Google Patents
Straddle type monorail vehicle body chassis side beam and side wall connecting structure Download PDFInfo
- Publication number
- CN112061162A CN112061162A CN202010955727.0A CN202010955727A CN112061162A CN 112061162 A CN112061162 A CN 112061162A CN 202010955727 A CN202010955727 A CN 202010955727A CN 112061162 A CN112061162 A CN 112061162A
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- CN
- China
- Prior art keywords
- side wall
- underframe
- chassis
- vehicle body
- type monorail
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F1/00—Underframes
- B61F1/08—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B13/00—Other railway systems
- B61B13/04—Monorail systems
- B61B13/06—Saddle or like balanced type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
- B61D17/06—End walls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
- B61D17/08—Sides
Abstract
The invention relates to a connecting structure of an underframe edge beam and a side wall of a straddle type monorail vehicle body, which improves the structural strength of an underframe structure, simplifies the manufacturing process and greatly reduces the arc welding amount. The whole structure is formed by combining and welding hollow double-wall large aluminum alloy extruded sections, the structure is designed in a lightweight way, and the longitudinal full-length arrangement of the side beam sections of the underframe ensures that the strength and the rigidity of the car body meet the requirements under the loading effects of longitudinal, vertical, torsion and the like. This chassis boundary beam section bar and side wall junction design grafting interface, simplified side wall and chassis department connected form, improved side wall and chassis assembly precision, reduced the assembly degree of difficulty, reduced side wall and chassis junction welding seam quantity, improve whole quality, the precision to some extent, horizontal direction chassis boundary beam section bar and aluminium floor junction design overlap joint interface, this structure is convenient for with aluminium bottom plate assembly welding, adjustable chassis aluminium structure whole width size when the chassis assembly, guaranteed the requirement of manufacturing accuracy.
Description
Technical Field
The invention belongs to the technical field of rail vehicle body manufacturing, and particularly relates to a side beam and side wall connecting structure of a monorail vehicle body underframe.
Background
The straddle type monorail transit is a typical urban rail transit system and has the unique advantages of strong terrain adaptability, large climbing capacity, small turning radius, less land resource occupation, low noise, short construction period, low manufacturing cost and the like. In multi-system urban rail transit, the comprehensive advantages of overhead line operation are obvious. The unique advantage determines that the system urban rail transit system has wide space for further popularization and application.
The traditional straddle type monorail underframe boundary beam adopts a rectangular cavity aluminum profile structure, a side wall aluminum profile connected with the rectangular cavity aluminum profile structure adopts an open structure, the requirements of the existing car body on bearing capacity and structural strength are difficult to meet, and the underframe boundary beam and the side wall are connected by means of middle auxiliary profiles. In addition, the structure has the defects of complex manufacturing process, multiple manufacturing procedures and the like.
Disclosure of Invention
The invention aims to provide a side frame and side wall connecting structure of a straddle type monorail vehicle body underframe based on the design trend of light weight and modularization of a monorail vehicle body structure, and aims to solve the problems that in the prior art, the side frame is complex in manufacturing process, large in arc welding quantity, large in welding difficulty and the like.
In order to achieve the purpose, the invention provides a side frame and side wall connecting structure of a straddle type monorail vehicle body underframe, which is characterized in that: the large part of the underframe of the car body adopts an inserting structure of an aluminum alloy closed section bar, the edge beam of the underframe in the structure is manufactured by adopting an aluminum alloy extrusion forming process, a double-layer cavity triangular cavity is arranged inside the cavity, an inserting interface is adopted on the edge beam of the underframe to be welded with the side wall of the closed aluminum alloy section bar, and the edge beam of the underframe is connected with an aluminum floor in the horizontal direction.
Furthermore, the splicing interface is designed at the joint of the side beam and the side wall of the bottom frame, so that the connection form of the side wall and the bottom frame is simplified, and the assembly precision of the side wall and the bottom frame is improved.
Furthermore, the upper end of the side beam of the underframe is provided with an inserting interface for arc welding connection with the side wall, so that the operation difficulty in assembling large parts of the side wall in the general assembly process is reduced.
Furthermore, a groove is formed in the position of the inserting connector joint at the joint of the side beam and the side wall of the underframe, so that the welding permeability is improved.
Furthermore, a lap joint is designed at the joint of the underframe boundary beam and the aluminum floor in the horizontal direction, so that the underframe boundary beam and the aluminum floor can be conveniently assembled and welded.
According to the invention, the shape of the underframe boundary beam profile is optimally designed on the premise of ensuring the strength, and the design of the arc-shaped edge is adopted to be connected with the side wall, so that the coordination and the attractiveness of the appearance of the whole vehicle are ensured. Meanwhile, the inside of the cavity of the invention adopts a triangular cavity double-layer cavity form, the integral bearing capacity of the side beam of the bottom frame is increased, and the side wall section is optimized into a closed aluminum alloy section to be welded with the side beam of the bottom frame, thereby meeting the design requirement of adopting the side beam of the bottom frame to hoist under the vehicle. The structure adopts a modular structure design concept, improves the structural strength of the underframe structure, simplifies the manufacturing process and greatly reduces the welding quantity of arc welding. The whole structure is formed by combining and welding hollow double-wall large aluminum alloy extruded sections, the structure is designed in a lightweight way, and the longitudinal full-length arrangement of the side beam sections of the underframe ensures that the strength and the rigidity of the car body meet the requirements under the loading effects of longitudinal, vertical, torsion and the like. The splicing interface is designed at the joint of the side wall and the side wall of the bottom frame boundary beam profile, so that the connection form of the side wall and the bottom frame is simplified, the assembly precision of the side wall and the bottom frame is improved, the assembly difficulty is reduced, the number of welding seams at the joint of the side wall and the bottom frame is reduced, and the overall quality and precision are improved. The splicing interface is designed at the upper end of the side beam structure of the underframe and is in arc welding connection with the side wall wallboard, the operation difficulty in assembling the large side wall part in the general assembly process is reduced, and the joint is provided with the groove, so that the welding permeability is improved. The lap joint is designed at the joint of the edge beam profile of the chassis in the horizontal direction and the aluminum floor, the structure is convenient to assemble and weld with the aluminum bottom plate, the whole width size of the aluminum structure of the chassis can be adjusted when the chassis is assembled, and the requirement of manufacturing precision is met.
Drawings
FIG. 1 is a schematic view of the connecting structure of the section bar of the present invention;
fig. 2 is a view showing the structure of the side sill of the underframe.
Detailed Description
Referring to fig. 1 and 2, the large part of the underframe of the straddle type monorail train body adopts an insertion structure of aluminum alloy closed profiles, the upper end of an underframe boundary beam 1 in the structure is connected with a side wall 2, the side wall is connected with an aluminum floor 3 in the horizontal direction, and the underframe boundary beam adopts an aluminum alloy extrusion forming process to obtain the full-length underframe boundary beam aluminum alloy profile with the section. The inserting and connecting interface 101 is designed at the connecting position of the side wall and the side wall of the bottom frame, the structure simplifies the connecting form of the side wall and the bottom frame, improves the assembling precision of the side wall and the bottom frame, reduces the assembling difficulty, reduces the number of welding seams at the connecting position of the side wall and the bottom frame, and improves the overall quality and precision. The inserting connector 101 is designed at the upper end of the side beam structure of the underframe and is in arc welding connection with the wall plate of the side wall, the operation difficulty in assembling the large part of the side wall in the general assembly process is reduced, and the groove 103 is formed in the joint, so that the welding permeability is improved. The lap joint 102 is designed at the joint of the edge beam profile of the horizontal underframe and the aluminum floor, the structure is convenient for being assembled and welded with the aluminum bottom plate, the whole width size of the aluminum structure of the underframe can be adjusted during the assembly of the underframe, and the requirement on manufacturing precision is ensured.
Referring to fig. 2, based on the appearance of the single rail, the appearance of the underframe boundary beam is optimally designed on the premise of ensuring the strength, and the design of the arc-shaped edge is adopted to be connected with the side wall, so that the coordination and the attractiveness of the appearance of the whole vehicle are ensured. Meanwhile, the profile cavity is optimally designed, the double-layer cavity is arranged inside the cavity, and the cavity is designed to be a triangular cavity, so that the integral bearing capacity of the side frame beam of the underframe is increased, and meanwhile, the side wall profile is optimized to be a closed aluminum alloy profile which is welded with the side frame beam of the underframe, and the design requirement of adopting the side frame beam to hoist under a vehicle is met. The structure adopts a modular structure design concept, improves the structural strength of the underframe structure, simplifies the manufacturing process and greatly reduces the welding quantity of arc welding. The whole structure is formed by combining and welding hollow double-wall large aluminum alloy extruded sections, the structure is designed in a lightweight way, and the longitudinal full-length arrangement of the side beam sections of the underframe ensures that the strength and the rigidity of the car body meet the requirements under the loading effects of longitudinal, vertical, torsion and the like.
Claims (5)
1. The utility model provides a stride a formula monorail car body chassis boundary beam and side wall connection structure which characterized in that: the large part of the underframe of the car body adopts an inserting structure of an aluminum alloy closed section bar, the edge beam of the underframe in the structure is manufactured by adopting an aluminum alloy extrusion forming process, a double-layer cavity triangular cavity is arranged inside the cavity, an inserting interface is adopted on the edge beam of the underframe to be welded with the side wall of the closed aluminum alloy section bar, and the edge beam of the underframe is connected with an aluminum floor in the horizontal direction.
2. The side frame and side wall connecting structure of the straddle-type monorail vehicle body chassis according to claim 1, characterized in that: the splicing interface is designed at the joint of the side beam and the side wall of the bottom frame, so that the connection form of the side wall and the bottom frame is simplified, and the assembly precision of the side wall and the bottom frame is improved.
3. The side frame and side wall connecting structure of the straddle-type monorail vehicle body chassis according to claim 1, characterized in that: and the upper end of the side beam of the underframe is provided with a splicing interface for arc welding connection with the side wall, so that the operation difficulty in assembling large parts of the side wall in the general assembly process is reduced.
4. The side frame and side wall connecting structure of the straddle-type monorail vehicle body chassis according to claim 2, characterized in that: the groove is formed in the position of the inserting connector joint at the joint of the side beam and the side wall of the bottom frame, and the welding permeability is improved.
5. The side frame and side wall connecting structure of the straddle-type monorail vehicle body chassis according to claim 1, characterized in that: and a lap joint is designed at the joint of the underframe boundary beam and the aluminum floor in the horizontal direction, so that the underframe boundary beam and the aluminum floor can be conveniently assembled and welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010955727.0A CN112061162A (en) | 2020-09-11 | 2020-09-11 | Straddle type monorail vehicle body chassis side beam and side wall connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010955727.0A CN112061162A (en) | 2020-09-11 | 2020-09-11 | Straddle type monorail vehicle body chassis side beam and side wall connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112061162A true CN112061162A (en) | 2020-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010955727.0A Pending CN112061162A (en) | 2020-09-11 | 2020-09-11 | Straddle type monorail vehicle body chassis side beam and side wall connecting structure |
Country Status (1)
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| CN (1) | CN112061162A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114248811A (en) * | 2022-01-07 | 2022-03-29 | 中车唐山机车车辆有限公司 | Stair structure for rail train and rail train |
| CN114368401A (en) * | 2022-01-07 | 2022-04-19 | 中车唐山机车车辆有限公司 | Train two-layer floor mounting structure and carriage |
| WO2023273286A1 (en) * | 2021-06-28 | 2023-01-05 | 中车青岛四方机车车辆股份有限公司 | Chassis edge beam, chassis structure and rail vehicle |
-
2020
- 2020-09-11 CN CN202010955727.0A patent/CN112061162A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023273286A1 (en) * | 2021-06-28 | 2023-01-05 | 中车青岛四方机车车辆股份有限公司 | Chassis edge beam, chassis structure and rail vehicle |
| CN114248811A (en) * | 2022-01-07 | 2022-03-29 | 中车唐山机车车辆有限公司 | Stair structure for rail train and rail train |
| CN114368401A (en) * | 2022-01-07 | 2022-04-19 | 中车唐山机车车辆有限公司 | Train two-layer floor mounting structure and carriage |
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