CN109131407A - A kind of concave bottom frame and multimodal transport vehicle - Google Patents

A kind of concave bottom frame and multimodal transport vehicle Download PDF

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Publication number
CN109131407A
CN109131407A CN201811052236.4A CN201811052236A CN109131407A CN 109131407 A CN109131407 A CN 109131407A CN 201811052236 A CN201811052236 A CN 201811052236A CN 109131407 A CN109131407 A CN 109131407A
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CN
China
Prior art keywords
concave bottom
bottom frame
crossbeam
curb girder
hinged
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201811052236.4A
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Chinese (zh)
Other versions
CN109131407B (en
Inventor
陈伟
刘凤伟
苏利杰
李晓军
刘翀原
任丽娟
黄春雨
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CRRC Yangtze Co Ltd
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CRRC Yangtze Co Ltd
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Publication date
Application filed by CRRC Yangtze Co Ltd filed Critical CRRC Yangtze Co Ltd
Priority to CN201811052236.4A priority Critical patent/CN109131407B/en
Publication of CN109131407A publication Critical patent/CN109131407A/en
Application granted granted Critical
Publication of CN109131407B publication Critical patent/CN109131407B/en
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Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61FRAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F1/00Underframes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61DBODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D3/00Wagons or vans
    • B61D3/16Wagons or vans adapted for carrying special loads
    • B61D3/18Wagons or vans adapted for carrying special loads for vehicles
    • B61D3/182Wagons or vans adapted for carrying special loads for vehicles specially adapted for heavy vehicles, e.g. public work vehicles, trucks, trailers
    • B61D3/184Wagons or vans adapted for carrying special loads for vehicles specially adapted for heavy vehicles, e.g. public work vehicles, trucks, trailers the heavy vehicles being of the trailer or semi-trailer type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61DBODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D3/00Wagons or vans
    • B61D3/16Wagons or vans adapted for carrying special loads
    • B61D3/20Wagons or vans adapted for carrying special loads for forwarding containers

Abstract

The invention discloses a kind of concave bottom frame and multimodal transport vehicles, the concave bottom frame includes middle part chassis and the end underframe that middle part chassis both ends are arranged in, the middle part chassis includes the curb girder of two parallel arrangements, it is provided with several spaced apart crossbeams along its length between two curb girders, the both ends of the crossbeam are hinged with the hinged seat that is arranged on ipsilateral curb girder respectively.It is connected between crossbeam and curb girder of the invention by articulated manner, there can be suitable vertical freedom degree between crossbeam and curb girder and horizontally rotate freedom degree, to adapt to the displacement that vehicle generates during impact, vibration, chassis can be along hinge joint fine rotation after stress, the distortion and internal stress because generating after stress deformation using traditional welding structure are eliminated, the generation of junction fatigue rupture is avoided.

Description

A kind of concave bottom frame and multimodal transport vehicle
Technical field
The present invention relates to multimodal transport vehicles, in particular to a kind of concave bottom frame and multimodal transport vehicle.
Background technique
Multimodal transport vehicle can satisfy the containers of various specifications such as carrying highway semitrailer operating condition and carrying 20ft to 53ft Operating condition is limited by vehicle load and limit, which, which can be used, falls cellular type concave bottom frame structure, and concave bottom subordinate's layer can load 1 40 feet or 2 20 feet of container, upper layer can load 1 container for being greater than or equal to 40 feet.As shown in Figure 1, existing There are the recessed base cross members of rolling stock for the assembly welding structure of upper and lower lids, the connection type of crossbeam 4 and curb girder 3 is welding, due to Crossbeam 4 and curb girder 3 are rigid connection, between the two without relative movement and rotational freedom.
With the needs that railway transport economy develops, the loading capacity of multimodal transport vehicle be will further improve, and concave bottom frame is born Load will increase, by institute's bearing goods weight, cargo handling when the impact and shaking and transportational process that generate in vehicle The influence of vibration, existing rolling stock are easy to produce fatigue crack in the connecting portion of base cross members and curb girder, destroy structure Stability, limit the load capacity that existing rolling stock is born, be unable to satisfy the requirement of multimodal transport.
Therefore, a kind of large carrying capacity, antifatigue damage capability strong concave bottom frame and multimodal transport vehicle are needed to meet state The inside and outside demand for greatly developing multimodal transport equipment transport.
Summary of the invention
Present invention aim to provide a kind of concave bottom frame and multimodal transport vehicle, lead between the crossbeam and curb girder of the concave bottom frame Articulated manner connection is crossed, there can be suitable vertical freedom degree between crossbeam and curb girder and horizontally rotate freedom degree, to adapt to vehicle The displacement generated during impact, vibration, avoids the generation of junction fatigue rupture.
To achieve the above object, a kind of concave bottom frame designed by the present invention, including middle part chassis and setting are in middle part chassis The end underframe at both ends is characterized in that the middle part chassis includes the curb girder of two parallel arrangements, two curb girders Between be provided with several spaced apart crossbeams along its length, the both ends of the crossbeam respectively be arranged in ipsilateral side Hinged seat on beam is hinged.
Further, the curb girder includes transverse slat, riser and arc panel, and the bottom end of the transverse slat, which is provided with, to be secured to The U-board of connection, the bottom end of the riser is vertical with transverse slat to be fixedly connected, and the top of the riser and the lower edge of arc panel are solid Fixed connection.
Further, the both ends of the crossbeam are provided with for the connector hinged with hinged seat.
Further, the plug welding hole for welding with beam-end is provided on the connector.
Further, the hinged seat includes upper junction plate and lower connecting plate, the top end face of the upper junction plate and transverse slat It is fixedly connected, the lower connecting plate is fixedly connected with the bottom face of U-board;
Mounting hole is offered on the upper junction plate and lower connecting plate, is provided in the mounting hole for cutting with scissors with connector The pin shaft connect, the upper and lower end parts of the pin shaft are welded with upper junction plate, lower connecting plate respectively.
Still further, the upper junction plate and lower connecting plate are the rigid structure of triangular shape made of metal material Part.
Further, the crossbeam is hollow tubular member made of metal material, and the connector is metal material Manufactured solid tube-shaped member.
The present invention also provides a kind of multimodal transport vehicle, which includes such as above-mentioned concave bottom frame, the concave bottom frame Middle part chassis longitudinal direction two sides be provided with side wall, the both side ends of the concave bottom frame are provided with headwall, the middle part chassis, side wall And headwall surrounds the cavity for accommodating material.
Compared with the prior art, the advantages of the present invention are as follows:
First, connecting between crossbeam and curb girder of the invention by articulated manner, there can be suitable hang down between crossbeam and curb girder To freedom degree and horizontally rotate freedom degree, to adapt to the displacement that vehicle generates during impact, vibration, chassis can after stress Along hinge joint fine rotation, the distortion and internal stress because generating after stress deformation using traditional welding structure are eliminated, is avoided The generation of junction fatigue rupture, meets multimodal transport vehicle increasingly increased to bearing capacity, antifatigue damage capability Demand.
Second, hinged seat of the invention includes upper junction plate and lower connecting plate, the top end face of upper junction plate and transverse slat is fixed Connection, lower connecting plate are fixedly connected with the bottom face of U-board, so that the enhancing of the connectivity robustness of hinged seat and curb girder, no The phenomenon that being easy to happen fracture.
Third, crossbeam of the invention is hollow tubular member made of metal material, connector is made of metal material Solid tube-shaped member, can mitigate the self weight of crossbeam using hollow structure, and using solid connector can be improved connector with Fastness at the hinge joint of hinged seat.
Detailed description of the invention
Fig. 1 is the overlooking structure diagram of existing rolling stock concave bottom frame;
Fig. 2 is the overlooking structure diagram of concave bottom frame of the present invention;
Fig. 3 is the side structure schematic view of concave bottom frame shown in Fig. 2;
Fig. 4 is the enlarged structure schematic diagram of curb girder and crossbeam in Fig. 2;
Fig. 5 is longitudinal schematic cross-sectional view of Fig. 4;
In figure, middle part chassis 1, chassis 2, curb girder 3 (transverse slat 3.1, riser 3.2, arc panel 3.3, U-board 3.4), crossbeam 4, Hinged seat 5, upper junction plate 5.1, lower connecting plate 5.2, mounting hole 5.3, pin shaft 5.4, connector 6, plug welding hole 7, side wall 8, headwall 9。
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
If Fig. 1 is existing concave bottom frame, particular content elaborates in the background technology.
Including middle part chassis 1 and 1 both ends of middle part chassis are arranged in concave bottom frame of the invention as shown in Figures 2 and 3 End underframe 2, middle part chassis 1 include the curb girder 3 of two parallel arrangements, are provided with several along its length between two curb girders 3 The spaced apart crossbeam 4 in direction, the both ends of crossbeam 4 are hinged with the hinged seat 5 that is arranged on ipsilateral curb girder 3 respectively.Curb girder 3 wraps Transverse slat 3.1, riser 3.2 and arc panel 3.3 are included, the bottom end of transverse slat 3.1 is provided with the U-board 3.4 being firmly connected with it, riser 3.2 bottom end is vertical with transverse slat 3.1 to be fixedly connected, and the top of riser 3.2 is fixedly connected with the lower edge of arc panel 3.3.Crossbeam 4 Both ends be provided with for the connector 6 hinged with hinged seat 5.The plug for welding with 4 end of crossbeam is provided on connector 6 Welding hole 7.Crossbeam 4 is hollow tubular member made of metal material, and connector 6 is solid tube-shaped member made of metal material, The self weight of crossbeam can be mitigated using hollow structure, and the hinge joint of connector and hinged seat can be improved using solid connector The fastness at place.
As shown in Figure 4 and Figure 5, hinged seat 5 includes upper junction plate 5.1 and lower connecting plate 5.2, upper junction plate 5.1 and transverse slat 3.1 top end face is fixedly connected, and lower connecting plate 5.2 is fixedly connected with the bottom face of U-board 3.4;Upper junction plate 5.1 and lower connection Mounting hole 5.3 is offered on plate 5.2, is provided in mounting hole 5.3 for the pin shaft 5.4 hinged with connector 6, pin shaft 5.4 Upper and lower end parts are welded with upper junction plate 5.1, lower connecting plate 5.2 respectively.Upper junction plate 5.1 and lower connecting plate 5.2 are metal material The rigid member of manufactured triangular shape.
Multimodal transport vehicle of the invention includes above-mentioned concave bottom frame, and the longitudinal two sides of the middle part chassis 1 of concave bottom frame are provided with side Wall 8, the both side ends of concave bottom frame are provided with headwall 9, and middle part chassis 1, side wall 8 and headwall 9 surround the chamber for accommodating material Body.
The above is only a specific embodiment of the invention, it is noted that anyone skilled in the art is in this hair In bright revealed technical scope, any changes or substitutions that can be easily thought of, should be covered by the protection scope of the present invention.

Claims (8)

1. a kind of concave bottom frame, including middle part chassis (1) and setting in the end underframe (2) at middle part chassis (1) both ends, feature exists In: the middle part chassis (1) includes the curb girder (3) of two parallel arrangements, is provided with several edges between two curb girders (3) The spaced apart crossbeam (4) of its length direction, the both ends of the crossbeam (4) respectively with hinge on ipsilateral curb girder (3) is set Joint chair (5) is hinged.
2. concave bottom frame according to claim 1, it is characterised in that: the curb girder (3) includes transverse slat (3.1), riser (3.2) And arc panel (3.3), the bottom end of the transverse slat (3.1) are provided with the U-board (3.4) being firmly connected with it, the riser (3.2) bottom end is vertical with transverse slat (3.1) to be fixedly connected, and the top of the riser (3.2) and the lower edge of arc panel (3.3) are solid Fixed connection.
3. concave bottom frame according to claim 2, it is characterised in that: the both ends of the crossbeam (4) be provided with for it is hinged The hinged connector (6) of seat (5).
4. concave bottom frame according to claim 3, it is characterised in that: be provided on the connector (6) for crossbeam (4) The plug welding hole (7) of end welding.
5. concave bottom frame according to claim 4, it is characterised in that: the hinged seat (5) include upper junction plate (5.1) and under Connecting plate (5.2), the upper junction plate (5.1) are fixedly connected with the top end face of transverse slat (3.1), the lower connecting plate (5.2) and U The bottom face of shape plate (3.4) is fixedly connected;
It is offered mounting hole (5.3) on the upper junction plate (5.1) and lower connecting plate (5.2), setting in the mounting hole (5.3) Have for the pin shaft (5.4) hinged with connector (6), the upper and lower end parts of the pin shaft (5.4) respectively with upper junction plate (5.1), Lower connecting plate (5.2) welding.
6. concave bottom frame according to claim 5, it is characterised in that: the upper junction plate (5.1) and lower connecting plate (5.2) are The rigid member of triangular shape made of metal material.
7. according to the described in any item concave bottom framves of claim 3~6, it is characterised in that: the crossbeam (4) is made of metal material Hollow tubular member, the connector (6) be metal material made of solid tube-shaped member.
8. a kind of multimodal transport vehicle, it is characterised in that: the multimodal transport vehicle includes as described in any one of claims 1 to 7 recessed Chassis, the longitudinal two sides of the middle part chassis (1) of the concave bottom frame are provided with side wall (8), and the both side ends of the concave bottom frame are provided with Headwall (9), the middle part chassis (1), side wall (8) and headwall (9) surround the cavity for accommodating material.
CN201811052236.4A 2018-09-10 2018-09-10 Concave underframe and multi-type combined transport vehicle Active CN109131407B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811052236.4A CN109131407B (en) 2018-09-10 2018-09-10 Concave underframe and multi-type combined transport vehicle

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Application Number Priority Date Filing Date Title
CN201811052236.4A CN109131407B (en) 2018-09-10 2018-09-10 Concave underframe and multi-type combined transport vehicle

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CN109131407A true CN109131407A (en) 2019-01-04
CN109131407B CN109131407B (en) 2020-04-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114750797A (en) * 2022-04-24 2022-07-15 中车常州车辆有限公司 Concave bottom frame and container transportation equipment

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101565051A (en) * 2008-04-25 2009-10-28 南车青岛四方机车车辆股份有限公司 Central cross beam connecting type hinging framework
CN203486400U (en) * 2013-08-29 2014-03-19 广东新会中集特种运输设备有限公司 Container chassis and container comprising same
CN106004910A (en) * 2016-05-27 2016-10-12 中车眉山车辆有限公司 U-shaped structure underframe
CN106274928A (en) * 2016-09-06 2017-01-04 中车哈尔滨车辆有限公司 Special railway military vehicle transport vehicle concave bottom frame

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101565051A (en) * 2008-04-25 2009-10-28 南车青岛四方机车车辆股份有限公司 Central cross beam connecting type hinging framework
CN203486400U (en) * 2013-08-29 2014-03-19 广东新会中集特种运输设备有限公司 Container chassis and container comprising same
CN106004910A (en) * 2016-05-27 2016-10-12 中车眉山车辆有限公司 U-shaped structure underframe
CN106274928A (en) * 2016-09-06 2017-01-04 中车哈尔滨车辆有限公司 Special railway military vehicle transport vehicle concave bottom frame

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114750797A (en) * 2022-04-24 2022-07-15 中车常州车辆有限公司 Concave bottom frame and container transportation equipment

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