CN208947327U - A kind of concave bottom frame and multimodal transport vehicle - Google Patents
A kind of concave bottom frame and multimodal transport vehicle Download PDFInfo
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- CN208947327U CN208947327U CN201821480176.1U CN201821480176U CN208947327U CN 208947327 U CN208947327 U CN 208947327U CN 201821480176 U CN201821480176 U CN 201821480176U CN 208947327 U CN208947327 U CN 208947327U
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- concave bottom
- bottom frame
- crossbeam
- curb girder
- hinged
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Abstract
The utility model 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 the crossbeam and curb girder of the utility model 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
Technical field
The utility model 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
The purpose of this utility model seeks to provide a kind of concave bottom frame and multimodal transport vehicle, the crossbeam and curb girder of the concave bottom frame
Between connected by articulated manner, can have between crossbeam and curb girder and suitable vertical freedom degree and horizontally rotate freedom degree, to adapt to
The displacement that vehicle generates during impact, vibration, avoids the generation of junction fatigue rupture.
To achieve the above object, a kind of concave bottom frame designed by the utility model, including middle part chassis and setting are at middle part
The end underframe at chassis both ends is characterized in that the middle part chassis includes the curb girder of two parallel arrangements, described in two
Several spaced apart crossbeams along its length are provided between curb girder, the both ends of the crossbeam are respectively with setting same
Hinged seat on the curb girder of side 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 utility model also provides a kind of multimodal transport vehicle, the multimodal transport vehicle include such as above-mentioned concave bottom frame, it is described recessed
The middle part chassis longitudinal direction two sides of chassis are provided with side wall, and the both side ends of the concave bottom frame are provided with headwall, the middle part chassis,
Side wall and headwall surround the cavity for accommodating material.
Compared with the prior art, the advantages of the utility model are:
First, being connected between the crossbeam and curb girder of the utility model by articulated manner, can have between crossbeam and curb girder appropriate
Vertical freedom degree and horizontally rotate freedom degree, to adapt to vehicle displacement for generating during impact, vibration, chassis is in stress
After can eliminate the distortion and internal stress because being generated after stress deformation using traditional welding structure along hinge joint fine rotation,
The generation for avoiding junction fatigue rupture meets multimodal transport vehicle and increasingly increases to bearing capacity, antifatigue damage capability
The demand added.
Second, the hinged seat of the utility model includes upper junction plate and lower connecting plate, the top end face of upper junction plate and transverse slat
It is fixedly connected, lower connecting plate is fixedly connected with the bottom face of U-board, so that the connectivity robustness of hinged seat and curb girder increases
By force, it is not easy to which there is a phenomenon where be broken.
Third, the crossbeam of the utility model is hollow tubular member made of metal material, connector is metal material system
At solid tube-shaped member, can mitigate the self weight of crossbeam using hollow structure, and connection can be improved using solid connector
Head and the 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 the utility model concave bottom frame;
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
The utility model is described in further detail below in conjunction with the drawings and specific embodiments:
Such as the concave bottom frame that Fig. 1 is existing rolling stock, particular content elaborates in the background technology.
The concave bottom frame of the utility model as shown in Figures 2 and 3, including middle part chassis 1 and setting are at 1 liang of middle part chassis
The end underframe 2 at end, middle part chassis 1 include the curb girder 3 of two parallel arrangements, are provided with several along it between two curb girders 3
The spaced apart crossbeam 4 of length direction, the both ends of crossbeam 4 are hinged with the hinged seat 5 that is arranged on ipsilateral curb girder 3 respectively.Side
Beam 3 includes transverse slat 3.1, riser 3.2 and arc panel 3.3, and the bottom end of transverse slat 3.1 is provided with the U-board being firmly connected with it
3.4, the bottom end of riser 3.2 is vertical with transverse slat 3.1 to be fixedly connected, the fixed company in the top of riser 3.2 and the lower edge of arc panel 3.3
It connects.The both ends of crossbeam 4 are provided with for the connector 6 hinged with hinged seat 5.Be provided on connector 6 for 4 end of crossbeam
The plug welding hole 7 of welding.Crossbeam 4 is hollow tubular member made of metal material, and connector 6 is solid tubes made of metal material
Shape component can mitigate the self weight of crossbeam using hollow structure, and connector and hinged seat can be improved using solid connector
Hinge joint at fastness.
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.
The multimodal transport vehicle of the utility model includes above-mentioned concave bottom frame, the longitudinal two sides setting of the middle part chassis 1 of concave bottom frame
There is 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 are surrounded for accommodating material
Cavity.
The above is only the specific embodiments of the utility model, it is noted that anyone skilled in the art exists
In the revealed technical scope of the utility model, any changes or substitutions that can be easily thought of, should all cover the guarantor in the utility model
Within the scope of shield.
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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821480176.1U CN208947327U (en) | 2018-09-10 | 2018-09-10 | A kind of concave bottom frame and multimodal transport vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821480176.1U CN208947327U (en) | 2018-09-10 | 2018-09-10 | A kind of concave bottom frame and multimodal transport vehicle |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208947327U true CN208947327U (en) | 2019-06-07 |
Family
ID=66737676
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201821480176.1U Active CN208947327U (en) | 2018-09-10 | 2018-09-10 | A kind of concave bottom frame and multimodal transport vehicle |
Country Status (1)
Country | Link |
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CN (1) | CN208947327U (en) |
-
2018
- 2018-09-10 CN CN201821480176.1U patent/CN208947327U/en active Active
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