CN214823234U

CN214823234U - Suspension type monorail car body structure

Info

Publication number: CN214823234U
Application number: CN202120398856.4U
Authority: CN
Inventors: 张锡广; 孙国立; 杨建康; 刘楚鸣
Original assignee: Shenyang China Rail Transit Equipment Co ltd
Current assignee: Shenyang China Rail Transit Equipment Co ltd
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2021-11-23
Anticipated expiration: 2031-02-23

Abstract

The utility model provides a suspension type monorail car body construction, automobile body upper portion are upper portion chassis integrated configuration, and the automobile body lower part is lower part chassis integrated configuration, prolongs automobile body length direction both sides and is the side wall subassembly, prolongs automobile body cross section automobile body both ends and be the headwall subassembly, upper portion chassis integrated configuration and lower part chassis integrated configuration weld respectively in the upper and lower both sides of side wall subassembly, the headwall subassembly weld with upper portion chassis integrated configuration, side wall subassembly and lower part chassis integrated configuration respectively all around. The utility model has reasonable design structure, is suitable for a suspension type monorail vehicle, and has reliable vehicle section technical performance; the weight reduction effect is obvious, and all the used section bars are of thin-wall structures; the modular design is adopted, the number of developed moulds is reduced to the maximum extent, and the cost is saved remarkably; stable in structure, mechanical properties is excellent, adopts aluminum alloy frame structure integral molding.

Description

Suspension type monorail car body structure

Technical Field

The utility model belongs to the technical field of the suspension type monorail car automobile body, in particular to suspension type monorail car body structure.

Background

In recent years, with the rapid development of the rail transit industry in China, in order to relieve urban traffic pressure and improve environmental quality, the guide of the policy of the national rail transit industry and the approval of various major cities on public rail transit form a three-dimensional public transit system formed by combining the ground, the underground and the air. The system is the development direction in the future, and in recent years, a suspended monorail car is gradually presented to people as a novel rail transit vehicle. The body structure of the suspended monorail vehicle is a carrier of the whole vehicle design, and the reasonability of the design structure, the arrangement of system interfaces, the design of vehicle sections and the optimized control of the structural weight are the basis of the whole suspended monorail vehicle. The problems of the prior most suspended monorail vehicle body structures are that the weight of the vehicle body is large and the strength is insufficient. The suspended monorail vehicle body structure is generally composed of an upper chassis, a side wall, a headwall, a lower chassis and the like, and is limited by the influences of factors such as vehicle axle load, vehicle limit, passenger capacity, vehicle strength and the like, the weight of the vehicle body structure cannot be controlled, the section design structure has poor technological performance, the vehicle strength is difficult to guarantee, the design structure defects or redundancy finally result in the vehicle over axle load, and the passenger capacity cannot meet the requirements.

Disclosure of Invention

The utility model provides a technical problem provide a brand-new suspension type monorail car body construction and vehicle section structure, solved the uncontrollable of body construction weight, section design structure processing property is poor, and vehicle strength is difficult to guarantee, and the vehicle super axle load is heavy, the problem that the passenger capacity can't reach the requirement.

The utility model adopts the technical proposal that: the utility model provides a suspension type monorail car body structure, automobile body upper portion are upper portion chassis integrated configuration, and the automobile body lower part is lower part chassis integrated configuration, prolongs automobile body length direction both sides and is the side wall subassembly, prolongs automobile body cross section automobile body both ends and is the headwall subassembly, and upper portion chassis integrated configuration and lower part chassis integrated configuration weld respectively in the upper and lower both sides of side wall subassembly, the headwall subassembly weld with upper portion chassis integrated configuration, side wall subassembly and lower part chassis integrated configuration respectively all around, and upper portion chassis integrated configuration is symmetrical structure, including the roof beam at both ends and weld respectively in two first upper portion floors of two roof beams inboards and weld in two second upper portion floors of two first upper portion floors inboards.

Preferably, the side wall assembly is formed by welding a first side wall plate, a second side wall plate, a third side wall plate and a fourth side wall plate from top to bottom, and the side wall assembly formed by the four side wall plates is integrally in an R9500mm radian.

Preferably, the lower underframe assembly structure is a symmetrical structure and comprises two lower sills at two ends, two first lower floor plates welded to the inner sides of the two lower sills, two second lower floor plates welded to the inner sides of the two first lower floor plates, and a third lower floor plate welded between the two second lower floor plates.

Preferably, the end wall assembly comprises end plates, and a main cross beam, 2 end columns, 8 small cross beams and 5 small longitudinal beams which are welded on the end plates.

Preferably, four windows are arranged on the side wall assembly, wherein the two large windows are 1170x1050mm, and the rib width between the two large windows is 100 mm. Two small windows are arranged on the front side and the rear side of the side wall assembly, and the size of each small window is 800x1050 mm.

Preferably, the side wall assembly is provided with two doorways, the size of each doorway is 2100x1600mm, two sides of each doorway are supported by two door columns, and each door column is formed by crimping 100x60x5mm aluminum alloy profiles.

Preferably, the roof side rail adopts the overlap joint mode to be connected with first upper portion floor, and upper and lower interface welds respectively, and roof side rail wall thickness is 3.5mm, and the muscle is thick 3mm, first upper portion floor and second upper portion floor wall thickness 2.5mm, and the muscle is thick 2 mm.

Preferably, the wall thickness of the first side wall plate, the second side wall plate, the third side wall plate and the fourth side wall plate is 3mm, and the rib thickness is 2.5 mm.

Preferably, the lower boundary beam and the first lower floor are connected in a lap joint mode, the upper connector and the lower connector are respectively welded, the wall thickness of the lower boundary beam is 5mm, the wall thickness of the rib is 4mm, the wall thicknesses of the first lower floor, the second lower floor and the third lower floor are 3mm, and the rib thickness is 2.5 mm.

Preferably, the end plates are aluminum alloy plates with the thickness of 5mm, and the end columns and the main cross beams are formed by decompressing aluminum alloy sections of 100x60x5 mm.

The utility model has the advantages that:

1. the design structure is reasonable, the device is suitable for a suspended monorail vehicle, and the technological performance of the vehicle section is reliable;

2. the weight reduction effect is obvious, and all the used section bars are of thin-wall structures;

3. the modular design is adopted, the number of developed moulds is reduced to the maximum extent, and the cost is saved remarkably;

4. stable in structure, mechanical properties is excellent, adopts aluminum alloy frame structure integral molding.

Drawings

FIG. 1 is a schematic view of the overall structure of a suspended monorail vehicle body;

FIG. 2 is a schematic cross-sectional view of a suspended monorail vehicle body structure;

FIG. 3 is a schematic structural view of an upper chassis assembly;

FIG. 4 is a schematic structural diagram of a sidewall assembly;

FIG. 5 is a schematic structural view of a lower chassis assembly;

FIG. 6 is a schematic structural view of a headwall assembly;

fig. 7 is a schematic view of a lap welding structure.

Reference numerals: 1-upper underframe combined structure 2-side wall component 3-lower underframe combined structure 4-end wall component 5-upper side beam 6-first upper floor 7-second upper floor 8-first side wall board 9-second side wall board 10-third side wall board 11-fourth side wall board 12-lower side beam 13-first lower floor 14-second lower floor 15-third lower floor 16-end plate 17-main cross beam 18-end upright post 19-small cross beam 20-small longitudinal beam 21-door upright post

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

The specific embodiment meets the design requirements: under the premise that the axle weight is 5t (4 axles), the passenger capacity reaches 100 persons (0.06 t/person), the weight of a bogie (2 bogies) is 3t, and the total weight of vehicle equipment is 5t, the designed weight of a vehicle body is (5x4) - (100x0.06) - (3x2) -5 ═ 3t, and the vehicle body structure of the suspension type monorail vehicle with the weight of the vehicle body less than 3t is provided.

As shown in fig. 1 and 2, the body structure of the suspended monorail vehicle is a cuboid vehicle body formed by welding an upper underframe combined structure 1, a side wall assembly 2, a lower underframe combined structure 3 and a headwall assembly 4, wherein parts of each part are aluminum alloy vehicle profiles and are welded through an extrusion tailor welding process.

As shown in fig. 3, the upper underframe assembly structure 1 is a symmetrical structure, and includes two roof side rails 5 at both ends, two first upper floor plates 6 welded to the inner sides of the two roof side rails 5, and two second upper floor plates 7 welded to the inner sides of the two first upper floor plates 6. As shown in fig. 7, the roof side rail 5 and the first upper floor 6 are connected in an overlapping manner, and the upper and lower joints are welded respectively, so that the bearing capacity of the part can be enhanced. The wall thickness of the upper edge beam 5 is 3.5mm, the rib thickness is 3mm, the wall thickness of the first upper floor 6 and the second upper floor 7 is 2.5mm, and the rib thickness is 2 mm.

As shown in fig. 4, the side wall assembly 2 is formed by welding a first side wall plate 8, a second side wall plate 9, a third side wall plate 10 and a fourth side wall plate 11 from top to bottom, and the side wall assembly formed by the four side wall plates adopts an R9500mm radian as a whole, so that the side wall assembly is of a drum car structure and provides convenience for the production and manufacturing process of the side wall and the design process of a vehicle window. The wall thickness of the first side wall plate 8, the second side wall plate 9, the third side wall plate 10 and the fourth side wall plate 11 is 3mm, and the rib thickness is 2.5 mm. As shown in fig. 1, four windows are disposed on the sidewall assembly 2, wherein two of the windows are 1170x1050mm, and the rib width between the two windows is 100 mm. Two small windows are arranged on the front side and the rear side of the side wall component 2, and the sizes of the two small windows are 800x1050 mm. Two doorways are arranged on the side wall assembly 2, the size of each doorway is 2100x1600mm, two sides of each doorway are supported by two door columns 21, and the door columns 21 are formed by crimping 100x60x5mm aluminum alloy profiles.

As shown in fig. 5, the lower-frame assembly 3 has a symmetrical structure, and includes two lower sills 12 at both ends, two first lower floor panels 13 welded to the inner sides of the two lower sills 12, two second lower floor panels 14 welded to the inner sides of the two first lower floor panels 13, and a third lower floor panel 15 welded between the two second lower floor panels 14. The lower edge beam 12 and the first lower floor 13 are connected in a lap joint mode, and the upper connector and the lower connector are respectively welded, so that the bearing capacity of the part can be enhanced. The wall thickness of the lower edge beam 12 is 5mm, the rib thickness is 4mm, the wall thickness of the first lower floor 13, the wall thickness of the second lower floor 14 and the wall thickness of the third lower floor 15 are 3mm, and the rib thickness is 2.5 mm.

As shown in fig. 6, the headwall assembly 4 includes an end plate 16, and a

main cross member

17, 2 end uprights 18, 8

small cross members

19, 5 small longitudinal members 20 welded to the end plate 16. The end plate 16 is an aluminium alloy plate with a thickness of 5mm, and the end upright 18 and the main beam 17 are formed by decompressing 100x60x5mm aluminium alloy sections.

Claims

1. The utility model provides a suspension type monorail car body structure which characterized in that: automobile body upper portion is upper portion chassis integrated configuration (1), and the automobile body lower part is lower part chassis integrated configuration (3), prolongs automobile body length direction both sides and is side wall subassembly (2), prolongs automobile body cross section automobile body both ends and is headwall subassembly (4), upper portion chassis integrated configuration (1) and lower part chassis integrated configuration (3) weld respectively in the upper and lower both sides of side wall subassembly (2), headwall subassembly (4) weld with upper portion chassis integrated configuration (1), side wall subassembly (2) and lower part chassis integrated configuration (3) respectively all around, upper portion chassis integrated configuration (1) is symmetrical structure, including roof beam (5) at both ends and weld in two first upper portion floors (6) of two roof beam (5) inboards respectively and weld in two second upper portion floors (7) of two first upper portion floors (6) inboards.

2. A suspended monorail car body structure as defined in claim 1, wherein: the side wall component (2) is formed by welding a first side wall plate (8), a second side wall plate (9), a third side wall plate (10) and a fourth side wall plate (11) from top to bottom, and the side wall component (2) formed by the four side wall plates integrally adopts the radian of R9500 mm.

3. A suspended monorail car body structure as defined in claim 1, wherein: the lower underframe combined structure (3) is of a symmetrical structure and comprises lower edge beams (12) at two ends, two first lower floors (13) welded to the inner sides of the two lower edge beams (12) respectively, two second lower floors (14) welded to the inner sides of the two first lower floors (13) and a third lower floor (15) welded between the two second lower floors (14).

4. A suspended monorail car body structure as defined in claim 1, wherein: the end wall assembly (4) comprises an end plate (16), and a main cross beam (17), 2 end columns (18), 8 small cross beams (19) and 5 small longitudinal beams (20) which are welded on the end plate (16).

5. A suspended monorail car body structure as defined in claim 1, wherein: four windows are arranged on the side wall assembly (2), wherein the two large windows are 1170x1050mm in size, the rib width between the two large windows is 100mm, and the two small windows arranged on the front side and the rear side of the side wall assembly (2) are 800x1050mm in size.

6. A suspended monorail car body structure as defined in claim 1, wherein: two doorways are arranged on the side wall assembly (2), the size of each doorway is 2100x1600mm, two sides of each doorway are supported by two door columns (21), and each door column (21) is formed by pressing 100x60x5mm aluminum alloy sections.

7. A suspended monorail car body structure as defined in claim 1, wherein: the upper edge beam (5) is connected with the first upper portion floor (6) in an overlapping mode, the upper connector and the lower connector are welded respectively, the wall thickness of the upper edge beam (5) is 3.5mm, the wall thickness of the rib is 3mm, the wall thickness of the first upper portion floor (6) and the wall thickness of the second upper portion floor (7) is 2.5mm, and the rib is 2 mm.

8. A suspended monorail car body structure as defined in claim 2, wherein: the wall thickness of the first side wall plate (8), the second side wall plate (9), the third side wall plate (10) and the fourth side wall plate (11) is 3mm, and the rib thickness is 2.5 mm.

9. A suspended monorail car body structure as defined in claim 3, wherein: the lower boundary beam (12) and the first lower floor (13) are connected in an overlapping mode, upper and lower connectors are welded respectively, the wall thickness of the lower boundary beam (12) is 5mm, the wall thickness of the rib is 4mm, the wall thickness of the first lower floor (13), the wall thickness of the second lower floor (14) and the wall thickness of the third lower floor (15) is 3mm, and the wall thickness of the rib is 2.5 mm.

10. A suspended monorail car body structure as defined in claim 4, wherein: the end plates (16) are aluminum alloy plates with the thickness of 5mm, and the end upright posts (18) and the main cross beam (17) are formed by decompressing aluminum alloy profiles of 100x60x5 mm.