Articulated straddle-type monorail vehicle head car frame

Abstract

The application relates to a head vehicle frame of a hinged straddle-type monorail vehicle, which is composed of a chassis, end walls, side walls, a roof and a cab; the chassis is composed of a head buffer cross beam module, a bogie interface installation module, a chassis side beam and a chassis longitudinal beam which are welded together; the side walls are composed of a plurality of vertically arranged side wall columns and side wall cross beams which are fixedly welded between two adjacent side wall columns; the end walls are composed of a plurality of vertically arranged end wall columns and end wall cross beams which are fixedly welded between two adjacent end wall columns; the roof is composed of two left and right parallel roof longitudinal beams and a plurality of front and rear parallel roof cross beams which are fixedly welded between the two roof longitudinal beams; and the cab is composed of two groups of left and right symmetrical cab walls. The head vehicle frame of the hinged straddle-type monorail vehicle meets the requirements of light weight and high strength, improves the permeability and visual range, and improves the connection mode of the vehicle end hinge seat, thereby ensuring the hinge strength.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of rail vehicle technology, in particular to a head car frame of a hinged straddle-type monorail vehicle. BACKGROUND

[0002] The head car body structure of the existing straddle-type monorail vehicle includes a chassis, side walls, a roof, a driver's cabin, end walls and a hinged seat. In actual use, it is found that the head car body structure has the following defects:

[0003] 1. The chassis is provided with a protrusion in the bogie area, the car body has poor permeability, and the space inside the car is small.

[0004] 2. The window area on the side wall is small, the passenger's field of view is narrow, and the demand for tourism and sightseeing cannot be met.

[0005] 3. The electrical equipment of the vehicle is almost arranged on the roof, which increases the requirements for the strength, stiffness, impact vibration and the like of the side wall and the roof structure. SUMMARY

[0006] The technical problem to be solved by the present application is to provide a head car frame of a hinged straddle-type monorail vehicle, which is suitable for a straddle-type monorail vehicle and can meet the requirements of structure, strength and expanded field of view.

[0007] In order to solve the above technical problems, the present application is realized by the following technical scheme: a head car frame of a hinged straddle-type monorail vehicle, having a chassis, the front and rear ends of the chassis are fixedly welded with end walls, the left and right sides of the chassis are fixedly welded with side walls, the end walls and the side walls are fixedly welded together, the top of the end walls and the side walls is fixedly welded with a roof corresponding to the chassis in up and down directions and parallel to each other, the front end of the chassis is provided with a driver's cabin fixedly welded with the front end wall, the chassis is composed of an end head buffer cross beam module, a bogie interface mounting module, a chassis side beam and a chassis longitudinal beam welded together, the end head buffer cross beam module and the bogie interface mounting module correspond to each other in front and back directions, the chassis side beam and the chassis longitudinal beam are fixedly welded between the corresponding end head buffer cross beam module and the bogie interface mounting module in front and back directions, and the chassis side beam and the chassis longitudinal beam are arranged in parallel in left and right directions; the side wall is composed of a plurality of vertically arranged side wall columns and side wall cross beams fixedly welded between adjacent two side wall columns, the top and bottom of the side wall column are fixedly welded with the roof and the chassis, respectively; the end wall is composed of a plurality of vertically arranged end wall columns and end wall cross beams fixedly welded between adjacent two end wall columns, the top and bottom of the end wall column are fixedly welded with the roof and the chassis, respectively; the roof is composed of two left and right parallel arranged roof longitudinal beams and a plurality of front and back parallel arranged roof cross beams, the roof cross beams are fixedly welded between the two roof longitudinal beams; the driver's cabin is composed of two groups of left and right symmetrical driver's cabin walls, the bottom surface and the rear side of the driver's cabin wall are fixedly welded with the top surface of the chassis and the front end of the side wall, respectively.

[0008] Further, the two bottom frame side beams and the two bottom frame longitudinal beams are arranged in parallel left and right, and the two bottom frame longitudinal beams are arranged between the two bottom frame side beams, and the front and rear ends of the bottom frame side beams and the bottom frame longitudinal beams are respectively fixedly welded on the corresponding end head buffer cross beam module and bogie interface mounting module.

[0009] Further, a plurality of bottom frame cross beams are arranged between the adjacent bottom frame side beams and bottom frame longitudinal beams and between the bottom frame longitudinal beams, and the bottom frame cross beams are fixedly welded between the corresponding bottom frame side beams and bottom frame longitudinal beams.

[0010] Further, the outer side of the roof longitudinal beam is provided with a roof side beam parallel left and right, and the roof side beam and the roof longitudinal beam are welded together through a plate; the top of the side wall column is fixedly welded with the roof side beam.

[0011] Further, the side wall column and the side wall cross beam and the roof form a large opening window.

[0012] Further, the side walls on the same side between the bottom frame and the roof have a plurality of groups, and the interval between the adjacent two groups of side walls forms a door opening.

[0013] Further, an installation interface for air duct installation is arranged between the two roof longitudinal beams.

[0014] Further, an assembly opening for installation of air conditioner soft air duct equipment is arranged on the end wall near the top.

[0015] Further, the bogie interface mounting module is a non-articulated bogie interface module or an articulated power bogie interface module.

[0016] Further, the cab wall is in a rectangular box structure, which is composed of two left and right corresponding cab columns and two cab cross beams respectively connecting the top and bottom of the two cab columns.

[0017] Compared with the prior art, the beneficial effects of the present application are that the articulated straddle-type monorail vehicle head frame meets the requirements of light weight and high strength, improves the permeability and visual range, makes the passenger's field of view wider, and improves the connection mode of the car end articulation seat, ensuring the articulation strength. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a three-dimensional structure schematic diagram of the articulated straddle-type monorail vehicle head frame of the present application;

[0019] Figure 2 is a split structure schematic diagram of the articulated straddle-type monorail vehicle head frame of the present application.

[0020] In the figure: 1, underframe; 11, end head buffer cross beam module; 12, bogie interface installation module; 13, underframe boundary beam; 14, underframe longitudinal beam; 15, underframe cross beam; 2, side wall; 21, side wall stand; 22, side wall cross beam; 23, window; 24, door; 3, roof; 31, roof boundary beam; 32, roof longitudinal beam; 33, roof cross beam; 4, end wall; 41, end wall stand; 42, end wall cross beam; 43, assembly opening; 5, cab; 51, cab wall; 511, cab stand; 512, cab cross beam. DETAILED DESCRIPTION

[0021] The technical solutions of the present application will be described clearly and completely below in combination with the drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through intermediate medium, or internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as they do not conflict with each other.

[0024] Figure 1 and Figure 2The head frame of the articulated straddle-type monorail vehicle is provided with a chassis 1, end walls 4 welded at the front and rear ends of the chassis 1, side walls 2 welded at the left and right sides of the chassis 1, the end walls 4 and the side walls 2 being welded together, a roof 3 welded at the top of the end walls 4 and the side walls 2 and corresponding to the chassis 1 in the up-down direction and parallel to each other, a cab 5 provided at the front end of the chassis 1 and welded with the front end wall 4, and the chassis 1 being composed of end head buffer cross beam modules 11, bogie interface mounting modules 12, chassis side beams 13 and chassis longitudinal beams 14 welded together, the end head buffer cross beam modules 11 and the bogie interface mounting modules 12 corresponding to each other in the front-rear direction, the chassis side beams 13 and the chassis longitudinal beams 14 being welded between the corresponding end head buffer cross beam modules 11 and the bogie interface mounting modules 12 in the front-rear direction and arranged in parallel to each other in the left-right direction, the end head buffer cross beam modules 11 adopting a double-acting elastomer buffer structure and using rubber buffer elements, so as to have good buffer performance and be able to absorb the energy generated by the vehicle collision, thereby minimizing the risk of passenger injury, the bogie interface mounting modules 12 being non-articulated bogie interface modules or articulated power bogie interface modules, the entire chassis 1 being a side beam bearing structure, and the structures being mainly welded by using beveled V-shaped welds or half V-shaped welds, the side walls 2 being composed of a plurality of vertically arranged side wall columns 21 and side wall cross beams 22 welded between adjacent two side wall columns 21, the side wall columns 21 being bent from plates, and the side wall cross beams 22 being square tubes, wherein the top and bottom of the side wall columns 21 are welded with the roof 3 and the chassis 2 respectively, the end walls 4 being composed of a plurality of vertically arranged end wall columns 41 and end wall cross beams 42 welded between adjacent two end wall columns 41, the end wall columns 41 and the end wall cross beams 42 being square tubes, wherein the top and bottom of the end wall columns 41 are welded with the roof 3 and the chassis 2 respectively, the roof 3 being composed of two roof longitudinal beams 32 arranged in parallel to each other in the left-right direction and a plurality of roof cross beams 33 arranged in parallel to each other in the front-rear direction, the roof cross beams 33 being welded between the two roof longitudinal beams 32, the cab 5 being composed of two groups of left-right symmetrical cab walls 51, the bottom surface and the rear side of the cab walls 51 being welded with the top surface of the chassis 1 and the front end of the side walls 2 respectively, and the cab walls 51 being rectangular frame structures in order to ensure lightweight and rigidity, the cab walls 51 being composed of two left-right corresponding cab columns 511 and two cab cross beams 512 respectively connected between the top and bottom of the two cab columns 511.

[0025] In order to ensure the structural rigidity and lightweight of the chassis 1, the chassis side beams 13 and the chassis longitudinal beams 14 are each provided with two, the two chassis side beams 13 and the two chassis longitudinal beams 14 being arranged in parallel to each other in the left-right direction, and the two chassis longitudinal beams 14 being arranged between the two chassis side beams 13, and the front and rear ends of the chassis side beams 13 and the chassis longitudinal beams 14 being welded with the corresponding end head buffer cross beam modules 11 and the bogie interface mounting modules 12 respectively.

[0026] In order to ensure the structural strength of the underframe, several underframe cross beams 15 are arranged between the adjacent underframe side beams 13 and underframe longitudinal beams 14 and between the underframe longitudinal beams 14, and the underframe cross beams 15 are fixedly welded between the corresponding underframe side beams 13 and underframe longitudinal beams 14.

[0027] In order to ensure the strength of the roof 3 and facilitate the connection of the side walls 2, the roof longitudinal beams 32 are provided with roof side beams 31 parallel to the left and right thereof, and the roof side beams 31 and the roof longitudinal beams 32 are welded together by a plate; the top of the side wall upright column 21 is fixedly welded to the roof side beam 31, and the roof side beam 31, the roof longitudinal beam 32 and the roof cross beam 33 are all square tubes.

[0028] In order to make the passenger's field of view wider and meet the needs of tourism, the side wall upright column 21, the side wall cross beam 22 and the roof 3 form a large open window 23.

[0029] In order to facilitate the installation of the doors, the side walls 2 on the same side between the underframe 1 and the roof 3 have multiple groups, and the two adjacent groups of side walls 2 have a gap, and the gap forms a door opening 24.

[0030] In order to ensure the permeability of the vehicle body and a large enough space inside the vehicle, installation interfaces for air duct installation are arranged between the two roof longitudinal beams 32; the end wall 4 is provided with an assembly opening 43 near the top for the installation of air conditioning soft duct equipment, which saves the installation space of electrical equipment and ensures the structural strength, rigidity and impact vibration requirements of the roof 3 and the side walls 2.

[0031] The articulated head frame of the straddle-type monorail vehicle meets the requirements of light weight and high strength, improves the permeability and visual range, makes the passenger's field of view wider, and improves the connection method of the end articulation seat to ensure the articulation strength.

[0032] It should be emphasized that the above is only a preferred embodiment of the present application, and does not limit the present application in any form. Any simple modification, equivalent change and modification of the above embodiment according to the technical essence of the present application still belongs to the scope of the technical solution of the present application.

Claims

1. A head car frame of a hinged straddle-type monorail vehicle, having a chassis (1), front and rear ends of the chassis (1) being fixedly welded with end walls (4), left and right sides of the chassis (1) being fixedly welded with side walls (2), the end walls (4) and the side walls (2) being fixedly welded together, a roof (3) corresponding to the chassis (1) in up and down directions and being parallel to each other being fixedly welded on top of the end walls (4) and the side walls (2), a cab (5) being fixedly welded with the front end of the end wall (4) at the front end of the chassis (1), characterized in that: The bottom frame (1) is welded by a head buffer crossbeam module (11), a bogie interface mounting module (12), a bottom frame side beam (13) and a bottom frame longitudinal beam (14); the bogie interface mounting module (12) is a non-articulated bogie interface module or an articulated power bogie interface module; the head buffer crossbeam module (11) and the bogie interface mounting module (12) correspond to each other in front and back, the bottom frame side beam (13) and the bottom frame longitudinal beam (14) are fixedly welded between the corresponding head buffer crossbeam module (11) and the bogie interface mounting module (12) in front and back, and the bottom frame side beam (13) and the bottom frame longitudinal beam (14) are arranged in parallel left and right; the side wall (2) is composed of a plurality of vertically arranged side wall columns (21) and side wall crossbeams (22) fixedly welded between adjacent two side wall columns (21), the top and bottom of the side wall column (21) are fixedly welded with the roof (3) and the bottom frame (1) respectively; the end wall (4) is composed of a plurality of vertically arranged end wall columns (41) and end wall crossbeams (42) fixedly welded between adjacent two end wall columns (41), the top and bottom of the end wall column (41) are fixedly welded with the roof (3) and the bottom frame (1) respectively; the roof (3) is composed of two left and right parallel roof longitudinal beams (32) and a plurality of front and back parallel roof crossbeams (33), the roof crossbeam (33) is fixedly welded between the two roof longitudinal beams (32); the cab (5) is composed of two groups of left and right symmetrical cab walls (51), the bottom surface and rear side of the cab wall (51) are fixedly welded with the top surface of the bottom frame (1) and the front end of the side wall (2) respectively. The bottom frame side beam (13) and the bottom frame longitudinal beam (14) each have two, the two bottom frame side beams (13) and the two bottom frame longitudinal beams (14) are arranged in parallel left and right, and the two bottom frame longitudinal beams (14) are arranged between the two bottom frame side beams (13), and the front and rear ends of the bottom frame side beam (13) and the bottom frame longitudinal beam (14) are fixedly welded on the corresponding head buffer crossbeam module (11) and the bogie interface mounting module (12) respectively; a plurality of bottom frame crossbeams (15) are arranged between adjacent bottom frame side beams (13) and bottom frame longitudinal beams (14) and between bottom frame longitudinal beams (14) and bottom frame longitudinal beams (14), and the bottom frame crossbeams (15) are fixedly welded between the corresponding bottom frame side beams (13) and bottom frame longitudinal beams (14); The cab wall (51) is in a rectangular frame structure, which is composed of two left and right corresponding cab columns (511) and two cab crossbeams (512) respectively connecting the top and bottom of the two cab columns (511).

2. A head car frame for an articulated straddle-type monorail vehicle according to claim 1, characterized in that: The roof longitudinal beam (32) is provided with a roof side beam (31) parallel left and right outside the roof longitudinal beam (32), and the roof side beam (31) and the roof longitudinal beam (32) are welded together by a plate; the top of the side wall column (21) is fixedly welded with the roof side beam (31).

3. The articulated straddle-type monorail vehicle head frame according to claim 1, characterized in that: The side wall column (21), the side wall crossbeam (22) and the roof (3) form a large open window (23).

4. The articulated straddle-type monorail vehicle head frame according to claim 1, characterized in that: The side walls (2) on the same side between the chassis (1) and the roof (3) have multiple groups, and the interval between two adjacent groups of side walls (2) forms a door opening (24).

5. The articulated straddle-type monorail vehicle head frame according to claim 1, characterized in that: Mounting interfaces for air duct installation are arranged between the two roof longitudinal beams (32).

6. The articulated straddle-type monorail vehicle head frame according to claim 1, characterized in that: Mounting openings (43) for air conditioner soft air duct installation are arranged on the end walls (4) near the top.

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