CN110667615B - Magnetic-levitation train body and magnetic-levitation train - Google Patents

Magnetic-levitation train body and magnetic-levitation train Download PDF

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Publication number
CN110667615B
CN110667615B CN201910875753.XA CN201910875753A CN110667615B CN 110667615 B CN110667615 B CN 110667615B CN 201910875753 A CN201910875753 A CN 201910875753A CN 110667615 B CN110667615 B CN 110667615B
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China
Prior art keywords
head
chassis
cross
longitudinal
beams
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CN110667615A (en
Inventor
刘宇
王峰
王国静
王人鹏
周勇
何大海
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Tongji University
CRRC Tangshan Co Ltd
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Tongji University
CRRC Tangshan Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61DBODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D17/00Construction details of vehicle bodies
    • B61D17/04Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61DBODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D17/00Construction details of vehicle bodies
    • B61D17/04Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
    • B61D17/041Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures with bodies characterised by use of light metal, e.g. aluminium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61DBODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D17/00Construction details of vehicle bodies
    • B61D17/04Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
    • B61D17/043Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures connections between superstructure sub-units

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Vehicles With Linear Motors And Vehicles That Are Magnetically Levitated (AREA)

Abstract

The invention discloses a maglev train body and a maglev train. The invention relates to a maglev train body, comprising: a chassis; the beam system structure is arranged on the chassis and comprises a cross beam module and a longitudinal beam module which are orthogonal; the beam module is provided with a plurality of beams which cross the chassis; the longitudinal beam module is provided with a plurality of longitudinal beams orthogonal to the cross beam; the vehicle head structure comprises a vehicle head cross beam module and a vehicle head longitudinal beam module, wherein the vehicle head cross beam module is provided with a plurality of vehicle head cross beams which stretch across the chassis; the head longitudinal beam module is provided with a plurality of head longitudinal beams orthogonal to the head cross beam. The novel composite material maglev train body is assembled together with the aluminum alloy chassis through the brand-new composite material train body structure, the manufacturing process is simple, the assembly is easy, the weight reduction effect is obvious, the foundation is laid for large-scale commercial use of medium-low speed maglev trains, and the economic and social benefits are remarkable.

Description

Magnetic-levitation train body and magnetic-levitation train
Technical Field
The invention relates to the field of magnetic-levitation train design, in particular to a magnetic-levitation train body and a magnetic-levitation train.
Background
The conventional maglev train is made of aluminum alloy, and although the design and manufacturing technology is mature, process load exists in the manufacturing process, and due to the specific material problem of the aluminum alloy, welding defects are easily caused, and potential safety hazards exist after the train body is put into use.
Meanwhile, due to the use of the aluminum alloy material, the vehicle body structure is heavier, the system energy consumption is improved, and the actual application and large-scale commercial application of the maglev train technology are not facilitated.
Disclosure of Invention
According to the embodiment of the invention, the invention provides a maglev train body, which is applied to a medium-low speed maglev train and comprises the following components:
a chassis; and a plurality of supporting rods which are arranged on the chassis,
a beam system structure comprising orthogonal beam modules and stringer modules; the beam module is provided with a plurality of beams which cross the chassis, and two ends of each beam are respectively connected with two sides of the chassis; the longitudinal beam module is provided with a plurality of longitudinal beams, the longitudinal beams are orthogonal to the cross beams and used for connecting the cross beams to form the beam system structure, and the extending direction of the longitudinal beams is consistent with the direction of a vehicle body;
the vehicle head structure comprises a vehicle head cross beam module and a vehicle head longitudinal beam module, the vehicle head cross beam module is provided with a plurality of vehicle head cross beams which stretch across the chassis, and two ends of the vehicle head cross beams are respectively connected with two sides of the chassis; the locomotive longitudinal beam module is provided with a plurality of locomotive longitudinal beams, the locomotive longitudinal beams are orthogonal to the locomotive cross beams and used for being connected with the locomotive cross beams to form the locomotive structure, and the extending direction of the locomotive longitudinal beams is consistent with the streamline of the locomotive.
Further, the cross beam is U-shaped, and the opening of the cross beam faces the chassis.
Furthermore, a plurality of grooves are formed in the cross beam and are used for being in butt joint with the longitudinal beam.
Further, the head cross beam comprises a first head cross beam and a second head cross beam;
the first head beam is U-shaped, and an opening of the first head beam faces the chassis;
the second head cross beam comprises a U-shaped section and a pair of straight sections which are not connected, the straight sections are respectively connected with two sides of the chassis, an opening of the U-shaped section faces the chassis, and two ends of the U-shaped section and the straight sections are in a straight line.
Furthermore, the U-shaped sections of the first head cross beam and the second head cross beam are provided with head grooves, and the head grooves are used for being in butt joint with the head longitudinal beams.
Furthermore, one end of the vehicle head longitudinal beam is connected with the chassis, the other end of the vehicle head longitudinal beam is connected with the longitudinal beam, and the extending direction of the vehicle head longitudinal beam and the direction of the connected longitudinal beam are in a straight line.
Further, beam interfaces are arranged on two sides of the chassis, and the beam interfaces are matched with the shapes and the sizes of the straight sections of the beam end portion, the first head beam end portion and the second head beam.
Further, the longeron with the locomotive longeron is the cell type structure, the longeron with the locomotive longeron contains first binding face and a pair of second binding face that extends from the both sides of first binding face respectively, first binding face and a pair of second binding face laminate with the bottom surface and the side of recess or locomotive recess mutually.
The longitudinal beam and the vehicle head longitudinal beam further comprise a pair of fastening surfaces, the fastening surfaces extend along the outer side of the second binding surface to form the pair of fastening surfaces, the fastening surfaces and the second binding surface are not on the same plane, and the fastening surfaces are respectively bound with a cross beam outside the groove or a vehicle head cross beam outside the vehicle head groove.
Further, the chassis is made of aluminum alloy.
Further, the beam system structure and the vehicle head structure are made of carbon fibers.
According to another embodiment of the present invention, there is provided a magnetic-levitation train, comprising any one of the above-mentioned magnetic-levitation train bodies.
According to the maglev train body and the maglev train provided by the embodiment of the invention, the composite material body structure with the brand-new design is adopted, and the novel composite material maglev train body is assembled together with the aluminum alloy chassis, so that the manufacturing process is simple, the assembly is easy, the weight reduction effect is obvious, a foundation is laid for large-scale commercial use of medium-low speed maglev trains, and the economic and social benefits are obvious.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and are intended to provide further explanation of the claimed technology.
Drawings
FIG. 1 is a schematic structural diagram of a maglev train body according to an embodiment of the invention;
FIG. 2 is a schematic view of a head structure of a maglev train body according to an embodiment of the invention;
FIG. 3 is an overall schematic view of a beam system structure and a head structure of a maglev train body according to an embodiment of the invention;
FIG. 4 is a schematic structural diagram of a cross beam and a head cross beam of a maglev train body according to an embodiment of the invention;
FIG. 5 is a schematic structural diagram of longitudinal beams and a longitudinal beam of a head of a maglev train body according to an embodiment of the invention;
FIG. 6 is a schematic view of the structure of a chassis of a maglev train body according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a magnetic levitation train according to an embodiment of the invention.
Detailed Description
The present invention will be further explained by describing preferred embodiments of the present invention in detail with reference to the accompanying drawings.
Firstly, the maglev train body according to the embodiment of the invention will be described with reference to fig. 1 to 6, and the maglev train body is applied to medium and low speed maglev trains and has a wide commercial prospect.
As shown in fig. 1, the maglev train body of the embodiment of the invention has a chassis 1; and a beam system structure and a vehicle head structure which are arranged on the chassis 1. In this embodiment, the chassis 1 is made of aluminum alloy material, and the beam system structure and the head structure are made of carbon fiber material, so that the stability and the cost of the chassis 1 are ensured, the overall weight of the magnetic suspension train body is greatly reduced, the light weight of the magnetic suspension train is realized, and a foundation is laid for large-scale commercial use of medium-low speed magnetic suspension trains.
Specifically, as shown in fig. 1 and 3, the beam system structure includes a cross beam module and a longitudinal beam module which are orthogonal, wherein the cross beam module is provided with a plurality of cross beams 21 which cross the chassis 1, and two ends of the cross beams 21 are respectively connected with two sides of the chassis 1; the longitudinal beam module is provided with a plurality of longitudinal beams 22, the longitudinal beams 22 are orthogonal to the cross beams 21 and used for connecting the cross beams 21 to form a beam system structure, and the extending direction of the longitudinal beams 22 is consistent with the direction of a vehicle body so as to ensure the structural strength and stability of the beam system structure.
Further, as shown in fig. 1, 3 and 4, the cross beam 21 is U-shaped, the opening of the cross beam faces the chassis 1, the cross beam 21 is provided with a plurality of grooves 211, the grooves 211 are used for being butted with the longitudinal beams 22, the installation is convenient, in the embodiment, the cross beam 21 is integrally formed, the manufacturing process is simple, and mass production and rapid manufacturing are easy.
Specifically, as shown in fig. 1 and 2, the vehicle head structure includes a vehicle head cross beam module and a vehicle head longitudinal beam module, the vehicle head cross beam module is provided with a plurality of vehicle head cross beams 31 crossing over the chassis 1, and two ends of the vehicle head cross beams 31 are respectively connected with two sides of the chassis 1; the locomotive longitudinal beam module is provided with a plurality of locomotive longitudinal beams 32, the locomotive longitudinal beams 32 are orthogonal to the locomotive cross beams 31 and used for being connected with the locomotive cross beams 31 to form the locomotive structure, the extending direction of the locomotive longitudinal beams 32 is consistent with the streamline of a locomotive so as to ensure the structural strength and stability of the locomotive structure, in the embodiment, one end of the locomotive longitudinal beams 32 is connected with the chassis 1, the other end of the locomotive longitudinal beams is connected with the longitudinal beams 22, the extending direction of the locomotive longitudinal beams 32 and the direction of the connected longitudinal beams 22 are in a straight line, so that the stability and structural strength of structural connection of the locomotive structure and a beam system are ensured, and the standardization of manufacturing is facilitated.
Further, as shown in fig. 1 to 4, the head cross member 31 includes a first head cross member 311 and a second head cross member; the first head beam 311 is U-shaped, and the opening thereof faces the chassis 1; the second head cross beam comprises a U-shaped section 3121 and a pair of straight line sections 3122 which are not connected, the space between the U-shaped section 3121 and the pair of straight line sections 3122 is used for installing the head side window, the pair of straight line sections 3122 are respectively connected with two sides of the chassis 1, the opening of the U-shaped section 3121 faces the chassis 1, and two ends of the U-shaped section 3121 and the pair of straight line sections 3122 are in a straight line, so that the structural strength of the head and the installation stability of the window are ensured. In this embodiment, be equipped with the locomotive recess 33 on the U type section 3121 of first locomotive crossbeam 311 and second locomotive crossbeam, locomotive recess 33 is used for docking with locomotive longeron 32, and it is convenient to install, and in this embodiment, locomotive crossbeam 31 integrated into one piece, and manufacturing process is simple, easily volume production and quick manufacturing.
In the present embodiment, as shown in fig. 1 to 5, the side member 22 and the front side member 32 are of a groove-shaped structure, the side member 22 and the front side member 32 include a first attaching surface 41 and a pair of second attaching surfaces 42 respectively extending from two sides of the first attaching surface 41, and the first attaching surface 41 and the pair of second attaching surfaces 42 are attached to the bottom surface and the side surface of the recess 211 or the front recess 33. Further, the longitudinal beam 22 and the vehicle head longitudinal beam 32 further comprise a pair of fastening surfaces 43, the pair of fastening surfaces 43 are formed by extending along the outer side of the second attaching surface 42, the pair of fastening surfaces 43 and the second attaching surface 42 are not in the same plane, and the pair of fastening surfaces 43 are respectively attached to the cross beam 21 outside the groove 211 or the vehicle head cross beam 31 outside the vehicle head groove 33, so that the attaching surfaces between the transverse beam and the longitudinal beam are further increased, and the connecting strength is ensured.
Specifically, as shown in fig. 1 and 6, the cross beam interfaces 11 are arranged on two sides of the chassis 1, and the cross beam interfaces 11 are matched with the shapes and the sizes of the end portions of the cross beams 11, the end portions of the first head cross beam 311 and the straight line portion 3122 of the second head cross beam, so that the installation is convenient.
During manufacturing, the transverse beam and the longitudinal beam which are integrally formed by adopting the high-performance carbon fiber material are tightly connected through the opening structure, and the cross beam interface 11 and the chassis 1 are jointly assembled into the maglev train body, so that the manufacturing process is simple, the assembly is easy, and the light weight of the maglev train body is realized.
As described above, according to the maglev train body provided by the embodiment of the invention, the composite material body structure with the brand-new design is adopted, the novel composite material maglev train body is assembled together with the aluminum alloy chassis, the manufacturing process is simple, the assembly is easy, the weight reduction effect is obvious, the foundation is laid for large-scale commercial use of medium-low speed maglev trains, and the economic and social benefits are obvious.
The maglev train body according to the embodiment of the invention is described above with reference to the accompanying drawings 1-6. Further, the invention can also be applied to a magnetic suspension train.
As shown in fig. 7, the maglev train body according to the embodiment of the present invention has the maglev train body according to the above-described embodiment. The train body of the maglev train in the embodiment of the invention is the same as the train body in the embodiment, and the description of the embodiment is omitted. It should be noted that, in this embodiment, the necessary components of the magnetic levitation train, the doors, windows and the train body, which are further stacked on the magnetic levitation train body, all adopt high performance carbon fibers, so as to be conveniently connected with the magnetic levitation train body, thereby comprehensively realizing the overall strength of the magnetic levitation train.
In the above, referring to fig. 1 to 7, a maglev train body and a maglev train according to an embodiment of the present invention are described, a composite material body structure with a brand-new design is adopted, and the composite material body and an aluminum alloy chassis are jointly assembled to form a novel composite material maglev train body, so that the manufacturing process is simple, the assembly is easy, the weight reduction effect is obvious, a foundation is laid for large-scale commercial use of medium-low speed maglev trains, and the present invention has significant economic and social benefits.
It should be noted that, in the present specification, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a maglev train body" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be determined from the following claims.

Claims (10)

1. The utility model provides a maglev train automobile body, is applied to well low-speed maglev train which characterized in that contains:
a chassis; and a plurality of supporting rods which are arranged on the chassis,
a beam system structure comprising orthogonal beam modules and stringer modules; the beam module is provided with a plurality of beams which cross the chassis, two ends of each beam are respectively connected with two sides of the chassis, each beam is U-shaped, and an opening of each beam faces the chassis; the longitudinal beam module is provided with a plurality of longitudinal beams, the longitudinal beams are orthogonal to the cross beams and used for connecting the cross beams to form the beam system structure, and the extending direction of the longitudinal beams is consistent with the direction of a vehicle body;
the vehicle head structure comprises a vehicle head cross beam module and a vehicle head longitudinal beam module, the vehicle head cross beam module is provided with a plurality of vehicle head cross beams which stretch across the chassis, and two ends of the vehicle head cross beams are respectively connected with two sides of the chassis; the locomotive longitudinal beam module is provided with a plurality of locomotive longitudinal beams, the locomotive longitudinal beams are orthogonal to the locomotive cross beams and used for connecting the locomotive cross beams to form a locomotive structure, and the extending direction of the locomotive longitudinal beams is consistent with the streamline of a locomotive;
the beam system structure and the vehicle head structure are made of carbon fibers.
2. A magnetic levitation train body as recited in claim 1, wherein said cross member is provided with a plurality of grooves for interfacing with said longitudinal members.
3. The maglev train body of claim 1, wherein the head cross-member comprises a first head cross-member and a second head cross-member;
the first head beam is U-shaped, and an opening of the first head beam faces the chassis;
the second head cross beam comprises a U-shaped section and a pair of straight sections which are not connected, the straight sections are respectively connected with two sides of the chassis, an opening of the U-shaped section faces the chassis, and two ends of the U-shaped section and the straight sections are in a straight line.
4. The maglev train body of claim 3, wherein the U-shaped sections of the first and second head cross beams are provided with head grooves for interfacing with the head longitudinal beams.
5. A maglev train body as claimed in claim 1, wherein one end of the head longitudinal beam is connected to the chassis and the other end is joined to the longitudinal beam, the direction of extension of the head longitudinal beam being in line with the direction of the joined longitudinal beams.
6. A maglev train body according to claim 3 or 4, wherein the chassis is provided with a cross beam interface on each side, the cross beam interface matching the shape and dimensions of the cross beam ends, the first head cross beam end and the second head cross beam straight sections.
7. The maglev train body of claim 2 or 4, wherein the longitudinal beam and the vehicle head longitudinal beam are of a groove-shaped structure, the longitudinal beam and the vehicle head longitudinal beam comprise a first abutting surface and a pair of second abutting surfaces respectively extending from two sides of the first abutting surface, and the first abutting surface and the pair of second abutting surfaces abut against the bottom surface and the side surface of the groove or the vehicle head groove.
8. The maglev train body of claim 7, wherein the rail and the vehicle head rail further comprise a pair of fastening surfaces extending along an outer side of the second abutting surface, the pair of fastening surfaces are not coplanar with the second abutting surface, and the pair of fastening surfaces respectively abut against the cross beam outside the groove or the vehicle head cross beam outside the vehicle head groove.
9. A magnetic-levitation train body as recited in claim 1, wherein the material of said chassis is an aluminum alloy.
10. A magnetic-levitation train, comprising the magnetic-levitation train body as claimed in any one of claims 1 to 9.
CN201910875753.XA 2019-09-17 2019-09-17 Magnetic-levitation train body and magnetic-levitation train Active CN110667615B (en)

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CN110667615B true CN110667615B (en) 2022-03-08

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113147810B (en) * 2021-04-01 2023-08-08 常州市新创智能科技有限公司 Carbon fiber car body ring beam structure of train and processing method thereof
CN116039694B (en) * 2023-03-24 2023-08-18 新创碳谷集团有限公司 Vehicle body butt joint structure, butt joint method and vehicle body

Citations (7)

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Publication number Priority date Publication date Assignee Title
US4353313A (en) * 1979-05-24 1982-10-12 Centro Ricerche Fiat S.P.A. Body for a railway carriage
JPH1120682A (en) * 1997-06-30 1999-01-26 Kawasaki Heavy Ind Ltd Front head structure of composite material structural body for head vehicle
JP2001171514A (en) * 1999-12-16 2001-06-26 East Japan Railway Co Rolling stock structure body and manufacturing method thereof
JP2007269197A (en) * 2006-03-31 2007-10-18 Kawasaki Heavy Ind Ltd Structure for high-speed movement
CN201046706Y (en) * 2007-03-13 2008-04-16 成都飞机工业(集团)有限责任公司 Magnetic levitation vehicle body middle frame
CN207157210U (en) * 2017-06-06 2018-03-30 浙江鑫宙竹基复合材料科技有限公司 A kind of bamboo for rail traffic vehicles winds car body
CN109625014A (en) * 2018-12-12 2019-04-16 中车青岛四方机车车辆股份有限公司 A kind of vehicle head structure of rail vehicle

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4353313A (en) * 1979-05-24 1982-10-12 Centro Ricerche Fiat S.P.A. Body for a railway carriage
JPH1120682A (en) * 1997-06-30 1999-01-26 Kawasaki Heavy Ind Ltd Front head structure of composite material structural body for head vehicle
JP2001171514A (en) * 1999-12-16 2001-06-26 East Japan Railway Co Rolling stock structure body and manufacturing method thereof
JP2007269197A (en) * 2006-03-31 2007-10-18 Kawasaki Heavy Ind Ltd Structure for high-speed movement
CN201046706Y (en) * 2007-03-13 2008-04-16 成都飞机工业(集团)有限责任公司 Magnetic levitation vehicle body middle frame
CN207157210U (en) * 2017-06-06 2018-03-30 浙江鑫宙竹基复合材料科技有限公司 A kind of bamboo for rail traffic vehicles winds car body
CN109625014A (en) * 2018-12-12 2019-04-16 中车青岛四方机车车辆股份有限公司 A kind of vehicle head structure of rail vehicle

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