CN221678715U - Car body structure and rail vehicle - Google Patents
Car body structure and rail vehicle Download PDFInfo
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- CN221678715U CN221678715U CN202323384508.XU CN202323384508U CN221678715U CN 221678715 U CN221678715 U CN 221678715U CN 202323384508 U CN202323384508 U CN 202323384508U CN 221678715 U CN221678715 U CN 221678715U
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- 238000005452 bending Methods 0.000 claims abstract description 54
- 238000007789 sealing Methods 0.000 claims description 29
- 238000003466 welding Methods 0.000 description 5
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The vehicle structure comprises a roof, an underframe, a first vertical beam and a second vertical beam, wherein the roof comprises a first closed frame and a connecting frame, a first end of the connecting frame is connected to a first side of the first closed frame, and a second end of the connecting frame is connected to a second side of the first closed frame; the underframe comprises a second closed frame and a first cross beam, wherein the first end of the first cross beam is connected to the first side of the second closed frame, and the second end of the first cross beam is connected to the second side of the second closed frame; the first end of the first vertical beam and the first end of the connecting frame are connected to the same position of the first closed frame, and the second end of the first vertical beam and the first end of the first cross beam are connected to the same position of the second closed frame; the first end of the second vertical beam and the second end of the connecting frame are connected to the same position of the first closed frame, and the second end of the second vertical beam and the second end of the first cross beam are connected to the same position of the second closed frame. The vehicle body structure of the embodiment of the application has high torsional rigidity and bending rigidity and strong impact resistance.
Description
Technical Field
The application relates to the technical field of railway vehicles, in particular to a vehicle body structure and a railway vehicle.
Background
Along with the development of national economy, the progress of technology and the improvement of living standard, the design level of railway vehicles is also continuously developed. The vehicle body is a main body part of the rail vehicle, and the rigidity and the strength of the vehicle body structure directly influence the safety reliability and the riding comfort of the rail transit vehicle; the vehicle body is divided into a non-bearing type vehicle frame and a bearing type vehicle frame, wherein the non-bearing type vehicle frame is also called a large beam type vehicle frame, and the defects of heavy weight, large occupation of the space at the bottom of the vehicle, high gravity center and the like directly affect the high-speed stability and the increase of oil consumption of the vehicle; the bearing type frame is not enough in rigidity and is easy to deform under external force, so that the automobile operability is affected.
The existing railway vehicle with the bearing type vehicle body structure is mainly formed by welding four parts of an underframe, side walls, a roof and an end wall, so that a thin-wall cylindrical vehicle body structure is formed. The bearing type car body structure has low torsional rigidity and bending rigidity and weak impact resistance, so that the running stability of the railway car is poor.
Disclosure of utility model
The application aims to provide a car body structure and a railway car, and solves the problem that the torsion rigidity and the bending rigidity of the car body structure are low.
In order to achieve the purpose of the application, the application provides the following technical scheme:
in a first aspect, the present application provides a vehicle body structure comprising:
The vehicle roof comprises a first closed frame and a connecting frame, wherein a first end of the connecting frame is connected to a first side of the first closed frame, and a second end of the connecting frame is connected to a second side of the first closed frame;
The chassis comprises a second closed frame and a first cross beam, wherein a first end of the first cross beam is connected to a first side of the second closed frame, and a second end of the first cross beam is connected to a second side of the second closed frame;
The first end of the first vertical beam and the first end of the connecting frame are connected to the same position of the first closed frame, and the second end of the first vertical beam and the first end of the first cross beam are connected to the same position of the second closed frame;
The first end of the second vertical beam and the second end of the connecting frame are connected to the same position of the first closed frame, and the second end of the second vertical beam and the second end of the first cross beam are connected to the same position of the second closed frame.
In one embodiment, the first side of the first sealing frame and the first side of the second sealing frame are both located on the first side of the vehicle body structure, and the second side of the first sealing frame and the second side of the second sealing frame are both located on the second side of the vehicle body structure, and the first side and the second side of the vehicle body structure are opposite.
In one embodiment, the first sealing frame comprises a first frame body and a second frame body which are arranged in a stacked manner, the connecting frame comprises a second cross beam, a first supporting beam and a second supporting beam, the first end of the second cross beam and the first end of the first supporting beam are connected to the same position of the first frame body, and the second end of the second cross beam and the first end of the second supporting beam are connected to the same position of the first frame body;
The second end of the first support beam and the first end of the first vertical beam are connected to the same position of the second frame, and the second end of the second support beam are connected to the same position of the second frame.
In one embodiment, the connecting frame further comprises a third supporting beam and a fourth supporting beam, wherein the first end of the third supporting beam is connected to the second cross beam, and the second end of the third supporting beam, the second end of the first supporting beam and the first end of the first standing beam are connected to the same position of the second frame;
The first end of the fourth supporting beam is connected to the second cross beam, and the second end of the fourth supporting beam, the second end of the second supporting beam and the first end of the second vertical beam are connected to the same position of the second frame body.
In one embodiment, the first frame body comprises a first longitudinal beam and a second longitudinal beam, the first end of the second transverse beam and the first end of the first support beam are connected to the same position of the first longitudinal beam, and the second end of the second transverse beam and the first end of the second support beam are connected to the same position of the second longitudinal beam;
the second frame body comprises a third longitudinal beam and a fourth longitudinal beam, the second end of the first support beam, the second end of the third support beam and the first end of the first vertical beam are connected to the same position of the third longitudinal beam, and the second end of the second support beam, the second end of the fourth support beam and the first end of the second vertical beam are connected to the same position of the fourth longitudinal beam;
The second sealing frame comprises a fifth longitudinal beam and a sixth longitudinal beam, the second end of the first vertical beam and the first end of the first cross beam are connected to the same position of the fifth longitudinal beam, and the second end of the second vertical beam and the second end of the first cross beam are connected to the same position of the sixth longitudinal beam.
In one embodiment, a plurality of second cross beams are provided, and the plurality of second cross beams are arranged in parallel along the length direction of the first longitudinal beam or the second longitudinal beam; the first cross beams are arranged in a plurality, and the first cross beams are arranged in parallel along the length direction of the fifth longitudinal beam or the sixth longitudinal beam;
The vehicle body structure further comprises a first side wall and a second side wall, wherein the first side wall is connected between the first side of the first sealing frame and the first side of the second sealing frame, the second side wall is connected between the second side of the first sealing frame and the second side of the second sealing frame, the first side wall comprises a plurality of first vertical beams, and the second side wall comprises a plurality of second vertical beams.
In one embodiment, a side of the first vertical beam away from the second vertical beam, a side of the third vertical beam away from the fourth vertical beam, and a side of the fifth vertical beam away from the sixth vertical beam are on the same plane;
And one side surface of the second vertical beam, which is far away from the first vertical beam, one side surface of the fourth longitudinal beam, which is far away from the third longitudinal beam, and one side surface of the sixth longitudinal beam, which is far away from the fifth longitudinal beam, are on the same plane.
In one embodiment, the vehicle body structure further comprises a first end wall and a second end wall, wherein the first end wall is connected between the first end of the first side wall and the first end of the second side wall, and the second end wall is connected between the second end of the first side wall and the second end of the second side wall;
the first end wall comprises a third vertical beam, a fourth vertical beam, a first bending beam and a second bending beam, the first bending beam and the second bending beam are connected between the third vertical beam and the fourth vertical beam at intervals, and one side surface of the first bending beam far away from the second end wall and one side surface of the second bending beam far away from the second end wall are on the same curved surface;
the second end wall comprises a fifth vertical beam, a sixth vertical beam, a third bending beam and a fourth bending beam, wherein the third bending beam and the fourth bending beam are connected between the fifth vertical beam and the sixth vertical beam at intervals, and one side surface, far away from the first end wall, of the third bending beam and one side surface, far away from the first end wall, of the fourth bending beam are on the same curved surface.
In one embodiment, the second frame further comprises a third cross member and a fourth cross member, wherein the first end of the third cross member is connected to the first end of the third longitudinal member, the second end of the third cross member is connected to the second end of the fourth longitudinal member, the first end of the fourth cross member is connected to the second end of the third longitudinal member, and the second end of the fourth cross member is connected to the second end of the fourth longitudinal member;
The second sealing frame further comprises a fifth cross beam and a sixth cross beam, wherein the first end of the fifth cross beam is connected with the first end of the fifth longitudinal beam, the second end of the fifth cross beam is connected with the first end of the sixth longitudinal beam, the first end of the sixth cross beam is connected with the second end of the fifth longitudinal beam, and the second end of the sixth cross beam is connected with the second end of the sixth longitudinal beam;
The first end of the third vertical beam is connected with the first end of the third cross beam, the second end of the third vertical beam is connected with the first end of the fifth cross beam, the first end of the fourth vertical beam is connected with the second end of the third cross beam, the second end of the fourth vertical beam is connected with the second end of the fifth cross beam, the first end of the fifth vertical beam is connected with the first end of the fourth cross beam, the second end of the fifth vertical beam is connected with the second end of the sixth cross beam, the first end of the sixth vertical beam is connected with the second end of the fourth cross beam, and the second end of the sixth vertical beam is connected with the second end of the sixth cross beam.
In one embodiment, the chassis further comprises a seventh longitudinal beam connected between two adjacent first cross beams and a battery mounting frame connected to the seventh longitudinal beam.
In one embodiment, the chassis further comprises a traction rod mounting seat, the traction rod mounting seat is connected to the first cross beam, and a lightening hole is formed in the traction rod mounting seat.
In a second aspect, the application also provides a railway vehicle comprising a body structure as described above.
The vehicle body structure provided by the embodiment of the application has the advantages that the vehicle roof is provided with the first closed frame, the underframe is provided with the second closed frame, the first vertical beam and the second vertical beam are connected between the first closed frame and the second closed frame, the first end of the first vertical beam and the first end of the connecting frame are connected at the same position of the first closed frame, the second end of the first vertical beam and the first end of the first cross beam are connected at the same position of the second closed frame, the second end of the second vertical beam and the second end of the first cross beam are connected at the same position of the second closed frame, namely, the first vertical beam, the connecting frame, the second vertical beam and the first cross beam form a staggered annular structure with the first closed frame and the second closed frame, so that the torsional rigidity and the bending rigidity of the vehicle body structure are improved, the impact resistance is strong, and the stability is good.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the application, and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
Fig. 1 is a perspective view of a vehicle body structure according to an embodiment of the present application;
FIG. 2 is a perspective view of a roof of an embodiment of the present application;
FIG. 3 is a transverse cross-sectional view of a vehicle body structure according to an embodiment of the present application;
Fig. 4 is a transverse cross-sectional view of a vehicle body structure according to another embodiment of the present application;
FIG. 5 is a perspective view of a chassis according to one embodiment of the present application;
FIG. 6 is a side view of a chassis according to one embodiment of the present application;
FIG. 7 is a perspective view of a first sidewall and a second sidewall according to an embodiment of the present application;
Fig. 8 is a perspective view of a first headwall according to an embodiment of the present application.
Reference numerals illustrate:
100-roof; 110-a first enclosure; 111-a first frame; 111 a-a first stringer; 111 b-a second stringer; 112-a second frame; 112 a-a third stringer; 112 b-fourth stringers; 112 c-a third beam; 112 d-fourth cross member; 120-connecting frames; 121-a second cross beam; 122-a first support beam; 123-a second support beam; 124-a third support beam; 125-fourth support beam; 200-underframe; 210-a second enclosure; 211-a fifth stringer; 212-sixth stringers; 213-a fifth cross member; 214-a sixth cross member; 220-a first beam; 230-seventh stringers; 240-battery mounting frame; 250-a drawbar mount; 251-lightening holes; 300-a first side wall; 310-a first vertical beam; 400-second side walls; 410-a second vertical beam; 500-first end wall; 510-a third vertical beam; 520-fourth vertical beam; 530-a first bending beam; 540-a second bending beam; 600-second end wall; 610-a fifth vertical beam; 620-sixth vertical beams; 630-a third bending beam; 640-fourth bending beam.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, are intended to fall within the scope of the present application.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Some embodiments of the present application are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.
The rail vehicle comprises a subway, a light rail, a city fast rail and the like, the vehicle body is a main body part of the rail transit vehicle, the vehicle body determines the structural form, the manufacturing cost and the performance of the whole vehicle, and the rigidity and the strength of the vehicle body structure directly influence the safety reliability and the riding comfort of the rail transit vehicle.
The existing railway vehicle adopts a middle-beam-free vehicle body structure, and the vehicle body structure is formed by welding four parts of an underframe, side walls, a roof and an end wall. The side wall skeleton, the end wall skeleton and the roof skeleton are welded with side wall boards, end wall boards and roof boards, and the longitudinal corrugated floor and the flat floor are set successively on the upper part of the underframe skeleton to form one rectangular car body structure with arc upper part and rectangular lower part, which is called as thin-wall cylindrical car body structure. The side wall framework comprises side wall upright posts, the connecting positions of the side wall upright posts in the existing vehicle body structure and the bent beams in the roof framework are staggered, and the connecting positions of the side-tipping upright posts and the bottom beams in the underframe framework are staggered, so that the torsional rigidity and the bending rigidity of the vehicle body structure are low, the impact resistance is weak, and the running stability of the railway vehicle is poor.
Referring to fig. 1, the present application provides a vehicle body structure including a roof 100, an underframe 200, a first standing beam 310, and a second standing beam 410, the roof 100 including a first closed frame 110 and a link frame 120, a first end of the link frame 120 being connected to a first side of the first closed frame 110, a second end of the link frame 120 being connected to a second side of the first closed frame 110; the chassis 200 includes a second closed frame 210 and a first cross member 220, a first end of the first cross member 220 being connected to a first side of the second closed frame 210, and a second end of the first cross member 220 being connected to a second side of the second closed frame 210; the first end of the first vertical beam 310 and the first end of the connection frame 120 are connected to the same position of the first closed frame 110, and the second end of the first vertical beam 310 and the first end of the first cross beam 220 are connected to the same position of the second closed frame 210; the first end of the second vertical beam 410 and the second end of the connection frame 120 are connected to the same position of the first closed frame 110, and the second end of the second vertical beam 410 and the second end of the first cross beam 220 are connected to the same position of the second closed frame 210.
In the vehicle body structure of the application, the first closed frame 110 and the second closed frame 210 are closed rings perpendicular to the vertical direction of the vehicle body, the first end of the first vertical beam 310 and the first end of the connecting frame 120 are connected to the same position of the first closed frame 110, the second end of the first vertical beam 310 and the first end of the first cross beam 220 are connected to the same position of the second closed frame 210, the first end of the second vertical beam 410 and the second end of the connecting frame 120 are connected to the same position of the first closed frame 110, and the second end of the second vertical beam 410 and the second end of the first cross beam 220 are connected to the same position of the second closed frame 210, namely, the first vertical beam 310, the connecting frame 120, the second vertical beam 410 and the first cross beam 220 form a staggered annular structure with the first closed frame 110 and the second closed frame 210, so that the torsional rigidity and the bending rigidity of the vehicle body structure of the application are improved, the impact resistance is strong and the stability is good.
Specifically, the vehicle body structure of the application adopts a rectangular through plate made of weather-proof steel or low carbon steel with various cross sections, and is formed by gas metal arc welding, and the first sealing frame 110, the connecting frame 120, the second sealing frame 210, the second cross beam 121, the first vertical beam 310 and the second vertical beam 410 are formed by gas metal arc welding of weather-proof steel/low carbon steel with cross sections larger than 60mm, so as to ensure that the vehicle body has higher torsional rigidity and vertical bending rigidity.
It should be noted that, the first side of the first sealing frame 110 and the first side of the second sealing frame 210 are both located on the first side of the vehicle body structure, and the second side of the first sealing frame 110 and the second side of the second sealing frame 210 are both located on the second side of the vehicle body structure, and the first side and the second side of the vehicle body structure are opposite. Specifically, the first side and the second side of the vehicle body structure are both sides of the vehicle body structure in the width direction.
Referring to fig. 1 to 3, the first closed frame 110 includes a first frame 111 and a second frame 112 which are stacked, the connection frame 120 includes a second cross beam 121, a first support beam 122 and a second support beam 123, a first end of the second cross beam 121 and a first end of the first support beam 122 are connected to the same position of the first frame 111, and a second end of the second cross beam 121 and a first end of the second support beam 123 are connected to the same position of the first frame 111; the second end of the first support beam 122 and the first end of the first standing beam 310 are connected to the same position of the second frame 112, and the second end of the second support beam 123 and the second end of the second standing beam 410 are connected to the same position of the second frame 112. Specifically, the first frame 111 and the second frame 112 respectively form a closed loop, the second closed frame 210 forms a closed loop, the first vertical beam 310, the second vertical beam 410 and the connecting frame 120 are connected with the first closed frame 110 and the second closed frame 210 to form a closed loop in the vertical direction of the vehicle body, that is, one closed loop in the vertical direction of the vehicle body is in staggered connection with three closed loops perpendicular to the vertical direction of the vehicle body, so that the rigidity and the strength of the vehicle body structure are further improved.
Referring to fig. 4, compared with fig. 3, the connecting frame 120 further includes a third support beam 124 and a fourth support beam 125, wherein a first end of the third support beam 124 is connected to the second cross beam 121, and a second end of the third support beam 124, a second end of the first support beam 122, and a first end of the first standing beam 310 are commonly connected to the same position of the second frame 112; the first end of the fourth support beam 125 is connected to the second cross beam 121, and the second end of the fourth support beam 125, the second end of the second support beam 123, and the first end of the second standing beam 410 are connected to the same position of the second frame 112. The connecting frame 120 of the embodiment of the present application enhances torsional rigidity in the lateral direction of the vehicle body by providing the third support beam 124 and the fourth support beam 125.
Referring to fig. 2, the first frame 111 further includes a first longitudinal beam 111a and a second longitudinal beam 111b, a first end of the second cross beam 121 and a first end of the first support beam 122 are connected to the same position of the first longitudinal beam 111a, and a second end of the second cross beam 121 and a first end of the second support beam 123 are connected to the same position of the second longitudinal beam 111 b; the second frame 112 includes a third longitudinal beam 112a and a fourth longitudinal beam 112b, and the second end of the first support beam 122, the second end of the third support beam 124, and the first end of the first vertical beam 310 are connected to the same position of the third longitudinal beam 112a, and the second end of the second support beam 123, the second end of the fourth support beam 125, and the first end of the second vertical beam 410 are connected to the same position of the fourth longitudinal beam 112 b. Referring to fig. 5, the second closure frame 210 includes a fifth longitudinal beam 211 and a sixth longitudinal beam 212, the second end of the first vertical beam 310 and the first end of the first cross beam 220 are connected to the same location of the fifth longitudinal beam 211, and the second end of the second vertical beam 410 and the second end of the first cross beam 220 are connected to the same location of the sixth longitudinal beam 212. Specifically, the first longitudinal beam 111a and the second longitudinal beam 111b are respectively disposed on two opposite sides of the first frame 111, the third longitudinal beam 112a and the fourth longitudinal beam 112b are respectively disposed on two opposite sides of the second frame 112, the fifth longitudinal beam 211 and the sixth longitudinal beam 212 are respectively disposed on two opposite sides of the second sealing frame 210, the first longitudinal beam 111a, the second longitudinal beam 111b, the third longitudinal beam 112a and the fourth longitudinal beam 112b are connected through the connecting frame 120, the first vertical beam 310 is connected with the third longitudinal beam 112a and the fifth longitudinal beam 211, the second vertical beam 410 is connected with the fourth longitudinal beam 112b and the sixth longitudinal beam 212, the first cross beam 220 is connected with the fifth longitudinal beam 211 and the sixth longitudinal beam 212, so as to form a sealing ring along the vertical direction of the vehicle body, and further the first frame 111, the second frame 112 and the second sealing frame 210 are staggered, and the rigidity and strength of the vehicle body structure are formed.
Referring to fig. 1, 5, 6 and 7, the second cross member 121 is provided in plurality, and the plurality of second cross members 121 are disposed in parallel along the length direction of the first side member 111a or the second side member 111 b; the first cross members 220 are provided in plurality, and the plurality of first cross members 220 are provided in parallel along the length direction of the fifth or sixth longitudinal member 211 or 212; the vehicle body structure further includes a first side wall 300 and a second side wall 400, the first side wall 300 is connected between the first side of the first closed frame 110 and the first side of the second closed frame 210, the second side wall 400 is connected between the second side of the first closed frame 110 and the second side of the second closed frame 210, the first side wall 300 includes a plurality of first vertical beams 310, and the second side wall 400 includes a plurality of second vertical beams 410.
Specifically, the plurality of first cross beams 220 are connected between the fifth longitudinal beam 211 and the sixth longitudinal beam 212 to form a main structure of the chassis 200, the structure is simple, the force transmission path is short, and the middle is connected with each other through the auxiliary beams to provide mounting points for the indoor floor, the indoor side wall plate, the outer skirt plate and the under-vehicle equipment; the underframe 200 further comprises a seventh longitudinal beam 230 and a battery mounting frame 240, wherein the seventh longitudinal beam 230 is connected between two adjacent first cross beams 220, the battery mounting frame 240 is connected to the seventh longitudinal beam 230, the battery mounting frame 240 is connected with the seventh longitudinal beam 230 through welding, compared with the structure that an existing battery support is connected with the underframe 200 through bolts, the vehicle body structure can avoid loosening phenomenon in vehicle operation, spot inspection items in vehicle operation and maintenance are reduced, a traction rod mounting seat 250 is welded on the first cross beams 220, the traction rod mounting seat 250 is a bending piece integrally formed by adopting weather-resistant steel/low-carbon steel plates with the thickness of more than 2mm, the mounting surface width is more than 200mm, the overall height is more than 500mm, the ground clearance is high, and the traction rod mounting seat 250 is provided with a lightening hole 251 to strengthen the structural rigidity of the traction seat, the weight of the underframe 200 is reduced, and the overall bearing capacity is good. The connecting frames 120 are also provided with a plurality of connecting frames 120, a plurality of second cross beams 121, a plurality of first vertical beams 310 and a plurality of second vertical beams 410, which are connected with the first sealing frame 110 and the second sealing frame 210 to form a plurality of sealing rings perpendicular to the longitudinal direction of the vehicle body, so that the vehicle body has higher torsional rigidity and bending rigidity.
In one embodiment, a side of the first vertical beam 310 away from the second vertical beam 410, a side of the third longitudinal beam 112a away from the fourth longitudinal beam 112b, and a side of the fifth longitudinal beam 211 away from the sixth longitudinal beam 212 are on the same plane, and a side of the second vertical beam 410 away from the first vertical beam 310, a side of the fourth longitudinal beam 112b away from the third longitudinal beam 112a, and a side of the sixth longitudinal beam 212 away from the fifth longitudinal beam 211 are on the same plane; and when the outer skin is covered on the first side wall 300 and the second side wall 400, the outer skin does not need to be bent, and the production efficiency of the vehicle is improved.
Referring to fig. 1, 7 and 8, the vehicle body structure further includes a first end wall 500 and a second end wall 600, the first end wall 500 being connected between the first end of the first side wall 300 and the first end of the second side wall 400, the second end wall 600 being connected between the second end of the first side wall 300 and the second end of the second side wall 400; the first end wall 500 includes a third vertical beam 510, a fourth vertical beam 520, a first bending beam 530 and a second bending beam 540, wherein the first bending beam 530 and the second bending beam 540 are connected between the third vertical beam 510 and the fourth vertical beam 520 at intervals, and a side surface of the first bending beam 530 far from the second end wall 600 and a side surface of the second bending beam 540 far from the second end wall 600 are on the same curved surface; the second end wall 600 includes a fifth vertical beam 610, a sixth vertical beam 620, a third bending beam 630 and a fourth bending beam 640, the third bending beam 630 and the fourth bending beam 640 are connected between the fifth vertical beam 610 and the sixth vertical beam 620 at intervals, a side surface of the third bending beam 630 far away from the first end wall 500 and a side surface of the fourth bending beam 640 far away from the first end wall 500 are on the same curved surface, the first end wall 500 including the first bending beam 530 and the second bending beam 540 and the second end wall 600 including the third bending beam 630 and the fourth bending beam 640 are convenient for the installation of front and rear windshields, and the in-vehicle vision is increased under the premise of ensuring the rigidity of the vehicle body, the modeling of the vehicle head cover is simplified, the purchase cost of the vehicle head cover is reduced, and the installation efficiency of the vehicle head cover is improved.
In one embodiment, the second frame 112 further includes a third cross member 112c and a fourth cross member 112d, wherein a first end of the third cross member 112c is connected to a first end of the third longitudinal member 112a, a second end of the third cross member 112c is connected to a second end of the fourth longitudinal member 112b, a first end of the fourth cross member 112d is connected to a second end of the third longitudinal member 112a, and a second end of the fourth cross member 112d is connected to a second end of the fourth longitudinal member 112 b; the second enclosure frame 210 further includes a fifth cross member 213 and a sixth cross member 214, wherein a first end of the fifth cross member 213 is connected to a first end of the fifth longitudinal member 211, a second end of the fifth cross member 213 is connected to a first end of the sixth longitudinal member 212, a first end of the sixth cross member 214 is connected to a second end of the fifth longitudinal member 211, and a second end of the sixth cross member 214 is connected to a second end of the sixth longitudinal member 212; the first end of the third vertical beam 510 is connected to the first end of the third beam 112c, the second end of the third vertical beam 510 is connected to the first end of the fifth beam 213, the first end of the fourth vertical beam 520 is connected to the second end of the third beam 112c, the second end of the fourth vertical beam 520 is connected to the second end of the fifth beam 213, the first end of the fifth vertical beam 610 is connected to the first end of the fourth beam 112d, the second end of the fifth vertical beam 610 is connected to the second end of the sixth beam 214, the first end of the sixth vertical beam 620 is connected to the second end of the fourth beam 112d, and the second end of the sixth vertical beam 620 is connected to the second end of the sixth beam 214. Specifically, the third vertical beam 510 and the fourth vertical beam 520 in the first end wall 500 and the third beam 112c of the second frame 112 and the fifth beam 213 of the second closed frame 210 enclose a closed loop, and the fifth vertical beam 610 and the sixth vertical beam 620 in the second end wall 600 and the fourth beam 112d of the second frame 112 and the sixth beam 214 of the second closed frame 210 form a closed loop, so that the first side wall 300, the second side wall 400, the first end wall 500 and the second end wall 600 are all connected with the first closed frame 110 and the second closed frame 210 to form a closed loop structure perpendicular to the longitudinal direction of the vehicle body, thereby further improving the torsional rigidity and the bending rigidity of the vehicle body structure.
In the description of the embodiments of the present application, it should be noted that, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like refer to the orientation or positional relationship described based on the drawings, which are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
The above disclosure is only a preferred embodiment of the present application, and it should be understood that the scope of the application is not limited thereto, but all or part of the procedures for implementing the above embodiments can be modified by one skilled in the art according to the scope of the appended claims.
Claims (12)
1. A vehicle body structure, characterized by comprising:
The vehicle roof comprises a first closed frame and a connecting frame, wherein a first end of the connecting frame is connected to a first side of the first closed frame, and a second end of the connecting frame is connected to a second side of the first closed frame;
The chassis comprises a second closed frame and a first cross beam, wherein a first end of the first cross beam is connected to a first side of the second closed frame, and a second end of the first cross beam is connected to a second side of the second closed frame;
The first end of the first vertical beam and the first end of the connecting frame are connected to the same position of the first closed frame, and the second end of the first vertical beam and the first end of the first cross beam are connected to the same position of the second closed frame;
The first end of the second vertical beam and the second end of the connecting frame are connected to the same position of the first closed frame, and the second end of the second vertical beam and the second end of the first cross beam are connected to the same position of the second closed frame.
2. The vehicle body structure of claim 1, wherein the first side of the first closure frame and the first side of the second closure frame are both located on a first side of the vehicle body structure, and the second side of the first closure frame and the second closure frame are both located on a second side of the vehicle body structure, the first side of the vehicle body structure being opposite the second side.
3. The vehicle body structure according to claim 2, wherein the first closing frame includes a first frame body and a second frame body that are stacked, the connecting frame includes a second cross member, a first support beam, and a second support beam, a first end of the second cross member and a first end of the first support beam are connected to the same position of the first frame body, and a second end of the second cross member and a first end of the second support beam are connected to the same position of the first frame body;
The second end of the first support beam and the first end of the first vertical beam are connected to the same position of the second frame, and the second end of the second support beam are connected to the same position of the second frame.
4. The vehicle body structure according to claim 3, wherein the connecting frame further includes a third support beam and a fourth support beam, a first end of the third support beam being connected to the second cross beam, a second end of the third support beam, a second end of the first support beam, and a first end of the first standing beam being connected to the same position of the second frame;
The first end of the fourth supporting beam is connected to the second cross beam, and the second end of the fourth supporting beam, the second end of the second supporting beam and the first end of the second vertical beam are connected to the same position of the second frame body.
5. The vehicle body structure according to claim 4, wherein the first frame body includes a first side member and a second side member, the first end of the second cross member and the first end of the first support beam are connected to the same position of the first side member, and the second end of the second cross member and the first end of the second support beam are connected to the same position of the second side member;
the second frame body comprises a third longitudinal beam and a fourth longitudinal beam, the second end of the first support beam, the second end of the third support beam and the first end of the first vertical beam are connected to the same position of the third longitudinal beam, and the second end of the second support beam, the second end of the fourth support beam and the first end of the second vertical beam are connected to the same position of the fourth longitudinal beam;
The second sealing frame comprises a fifth longitudinal beam and a sixth longitudinal beam, the second end of the first vertical beam and the first end of the first cross beam are connected to the same position of the fifth longitudinal beam, and the second end of the second vertical beam and the second end of the first cross beam are connected to the same position of the sixth longitudinal beam.
6. The vehicle body structure according to claim 5, wherein a plurality of the second cross members are provided, the plurality of the second cross members being disposed in parallel along a length direction of the first side member or the second side member; the first cross beams are arranged in a plurality, and the first cross beams are arranged in parallel along the length direction of the fifth longitudinal beam or the sixth longitudinal beam;
The vehicle body structure further comprises a first side wall and a second side wall, wherein the first side wall is connected between the first side of the first sealing frame and the first side of the second sealing frame, the second side wall is connected between the second side of the first sealing frame and the second side of the second sealing frame, the first side wall comprises a plurality of first vertical beams, and the second side wall comprises a plurality of second vertical beams.
7. The vehicle body structure of claim 5, wherein a side of the first upright beam away from the second upright beam, a side of the third longitudinal beam away from the fourth longitudinal beam, and a side of the fifth longitudinal beam away from the sixth longitudinal beam are on the same plane;
And one side surface of the second vertical beam, which is far away from the first vertical beam, one side surface of the fourth longitudinal beam, which is far away from the third longitudinal beam, and one side surface of the sixth longitudinal beam, which is far away from the fifth longitudinal beam, are on the same plane.
8. The vehicle body structure of claim 6, further comprising a first end wall and a second end wall, the first end wall being connected between a first end of the first side wall and a first end of the second side wall, the second end wall being connected between a second end of the first side wall and a second end of the second side wall;
the first end wall comprises a third vertical beam, a fourth vertical beam, a first bending beam and a second bending beam, the first bending beam and the second bending beam are connected between the third vertical beam and the fourth vertical beam at intervals, and one side surface of the first bending beam far away from the second end wall and one side surface of the second bending beam far away from the second end wall are on the same curved surface;
the second end wall comprises a fifth vertical beam, a sixth vertical beam, a third bending beam and a fourth bending beam, wherein the third bending beam and the fourth bending beam are connected between the fifth vertical beam and the sixth vertical beam at intervals, and one side surface, far away from the first end wall, of the third bending beam and one side surface, far away from the first end wall, of the fourth bending beam are on the same curved surface.
9. The vehicle body structure of claim 8, wherein the second frame further comprises a third cross member and a fourth cross member, the first end of the third cross member being connected to the first end of the third longitudinal member, the second end of the third cross member being connected to the second end of the fourth longitudinal member, the first end of the fourth cross member being connected to the second end of the third longitudinal member, the second end of the fourth cross member being connected to the second end of the fourth longitudinal member;
The second sealing frame further comprises a fifth cross beam and a sixth cross beam, wherein the first end of the fifth cross beam is connected with the first end of the fifth longitudinal beam, the second end of the fifth cross beam is connected with the first end of the sixth longitudinal beam, the first end of the sixth cross beam is connected with the second end of the fifth longitudinal beam, and the second end of the sixth cross beam is connected with the second end of the sixth longitudinal beam;
The first end of the third vertical beam is connected with the first end of the third cross beam, the second end of the third vertical beam is connected with the first end of the fifth cross beam, the first end of the fourth vertical beam is connected with the second end of the third cross beam, the second end of the fourth vertical beam is connected with the second end of the fifth cross beam, the first end of the fifth vertical beam is connected with the first end of the fourth cross beam, the second end of the fifth vertical beam is connected with the second end of the sixth cross beam, the first end of the sixth vertical beam is connected with the second end of the fourth cross beam, and the second end of the sixth vertical beam is connected with the second end of the sixth cross beam.
10. The vehicle body structure of claim 6, wherein the underframe further comprises a seventh longitudinal beam and a battery mounting frame, the seventh longitudinal beam being connected between adjacent two of the first cross beams, the battery mounting frame being connected to the seventh longitudinal beam.
11. The vehicle body structure of claim 1, wherein the chassis further comprises a drawbar mount, the drawbar mount being coupled to the first cross member, the drawbar mount having a lightening hole formed therein.
12. A rail vehicle comprising a body structure according to any one of claims 1-11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323384508.XU CN221678715U (en) | 2023-12-11 | 2023-12-11 | Car body structure and rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323384508.XU CN221678715U (en) | 2023-12-11 | 2023-12-11 | Car body structure and rail vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN221678715U true CN221678715U (en) | 2024-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323384508.XU Active CN221678715U (en) | 2023-12-11 | 2023-12-11 | Car body structure and rail vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN221678715U (en) |
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2023
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