CN207510433U - A kind of depressed center car - Google Patents
A kind of depressed center car Download PDFInfo
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- CN207510433U CN207510433U CN201721114821.3U CN201721114821U CN207510433U CN 207510433 U CN207510433 U CN 207510433U CN 201721114821 U CN201721114821 U CN 201721114821U CN 207510433 U CN207510433 U CN 207510433U
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- plate
- load bearing
- arc panel
- bearing beam
- bottom frame
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Abstract
The utility model discloses a kind of depressed center car, and the depressed center car includes concave bottom frame and two bogies, and the both ends of the concave bottom frame are supported on the bogie；The concave bottom frame includes load bearing beam, two end arms and two cartridge beams, and fixation is connect two end arms with the load bearing beam both ends respectively；The cartridge beam is individually fixed in the end far from the load bearing beam, the concave bottom frame in two end arms and is fixed on described two bogies by described two cartridge beams respectively；Two end arms respectively includes cover board, arc panel and end plate, and one end of the arc panel connects the cover board, and the other end connects one end of end plate, and the other end of the end plate connects the load bearing beam, and the angle of the load bearing beam and the end plate is 65 75 degree.For the application by setting cover board, arc panel and end plate, the angle of the load bearing beam and the end plate is 65 75 degree, makes end plate tangent with arc panel, is conducive to longitudinal force and is transmitted preferably between end arms and load bearing beam, makes concave bottom frame entirety uniform force.
Description
Technical field
The utility model is related to technical field of vehicle more particularly to a kind of depressed center cars.
Background technology
Railway transportation is a kind of land transportation mode, with two parallel rail-guided trains.Railway transportation is wherein one
The most effective known land transportation mode of kind.Rail can provide dead smooth and hard medium by the wheel of train above with most
Small frictional force roller is dynamic.In this way, aboard the people in face can feel more comfortable, and save energy.If it is arranged to work as, railway
Transport can transport than road surface and save five to seventy percent energy when delivering the passenger-cargo object of same weight.Moreover, rail can averagely disperse fire
The weight of vehicle enables the carrying force of train greatly improve.
Depressed center car applies on full gauge railway transport the special vehicle for cargo of growing up, and there are one under central fovea for tool
Great underframe, weight can be carried without particular/special requirement at 210 tons hereinafter, length is not more than nine meters of large scale equipment.
The concave bottom frame that depressed center car of the prior art generally includes bogie and connect with bogie.The concave bottom frame leads to
Frequently with the structure of upper dog-ear, lower dog-ear.
Since concave bottom frame is using the structure of upper dog-ear, lower dog-ear, i.e., full bending angle transition concave bottom frame, although in recessed length over end sills
In the case of certain, it is possible to increase the length of loading end, but dog-ear position stress distribution is uneven, and weight is larger, and upper dog-ear ten
The main tension stress of word chi structure, welding quality requirement is very stringent, and welding difficulty is big, and concave bottom frame is easily opened during use
It splits and stays.
Utility model content
The application provides a kind of depressed center car, solves in the prior art since concave bottom frame is using upper dog-ear, lower dog-ear
Structure, leads to that dog-ear position stress distribution is uneven, and weight is larger, and the upper main tension stress of dog-ear criss-cross construction, weldering
It is very stringent to connect quality requirement, the technical issues of welding difficulty is big, and concave bottom frame easily cracks and stays during use.
The application provides a kind of depressed center car, and the depressed center car includes concave bottom frame and two bogies, the concave bottom frame
Both ends be supported on the bogie；
The concave bottom frame includes load bearing beam, two end arms and two cartridge beams, and two end arms is fixed and the load bearing beam respectively
Both ends connect；The cartridge beam is individually fixed in the end far from the load bearing beam in two end arms, the concave bottom frame difference
It is fixed on described two bogies by described two cartridge beams；
Two end arms respectively includes cover board, arc panel and end plate, and one end of the arc panel connects the cover board, another
One end of end connection end plate, the other end of the end plate connect the load bearing beam, and the angle of the load bearing beam and the end plate is
65-75 degree.
Preferably, the load bearing beam includes carrying upper plate and the carrying lower plate being oppositely arranged with the carrying upper plate；
The end plate includes upper head plate and the bottom plate being oppositely arranged with upper head plate, and the upper head plate connects with carrying lower plate
It connects, the angle between the upper head plate and carrying lower plate is 65 °~75 °.
Preferably, the end arms is an integral molding structure.
Preferably, the cover board includes upper cover plate, the lower cover being oppositely arranged with the upper cover plate and connect on described
The web of cover board and the lower cover.
Preferably, the arc panel includes upper arc panel and arc lower plate, connects the upper arc panel and the arc lower
The fanning strip of plate；
The upper arc panel is connect with the upper cover plate, and the arc lower plate is connect with the lower cover.
Preferably, the lower cover and the tangent connection of arc lower plate, the lower cover and horizontal angle are 5 °
~6 °.
Preferably, the arc panel includes upper arc panel and arc lower plate, connects the upper arc panel and the arc lower
The fanning strip of plate.
Preferably, the radius of the arc lower plate is 500mm~600mm, the radius of the upper arc panel for 1250mm~
1350mm。
The application has the beneficial effect that：
The application is by setting cover board, arc panel and end plate, and one end of the arc panel connects the cover board, and the other end connects
One end of end plate is connect, the other end of the end plate connects the load bearing beam, and the angle of the load bearing beam and the end plate is 65-75
Degree, make end plate tangent with arc panel, be conducive to longitudinal force and transmitted preferably between end arms and load bearing beam, make concave bottom frame integrally by
Power is uniform, solves in the prior art since concave bottom frame is using the structure of upper dog-ear, lower dog-ear, leads to dog-ear position stress distribution
Uneven, weight is larger, and the upper main tension stress of dog-ear criss-cross construction, and welding quality requirement is very stringent, and welding is difficult
The technical issues of degree is big, and concave bottom frame easily cracks and stays during use.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Attached drawing is briefly described needed in description, it should be apparent that, the accompanying drawings in the following description is only that this practicality is new
Some embodiments of type.
Fig. 1 is a kind of structure diagram of depressed center car of one better embodiment of the application；
Fig. 2 is the structure diagram of the concave bottom frame of the depressed center car in Fig. 1；
Fig. 3 is the partial enlarged view of the concave bottom frame in Fig. 2.
Specific embodiment
The embodiment of the present application is solved in the prior art by providing a kind of depressed center car since concave bottom frame uses upper folding
Angle, the structure of lower dog-ear, lead to that dog-ear position stress distribution is uneven, and weight is larger, and upper dog-ear criss-cross construction is main
Tension stress, welding quality requirement is very stringent, and welding difficulty is big, the technology that concave bottom frame easily cracks and stays during use
Problem.
Technical solution in the embodiment of the present application is in order to solve the above technical problems, general thought is as follows：
The application is by setting cover board, arc panel and end plate, and one end of the arc panel connects the cover board, and the other end connects
One end of end plate is connect, the other end of the end plate connects the load bearing beam, and the angle of the load bearing beam and the end plate is 65-75
Degree, make end plate tangent with arc panel, be conducive to longitudinal force and transmitted preferably between end arms and load bearing beam, make concave bottom frame integrally by
Power is uniform, solves in the prior art since concave bottom frame is using the structure of upper dog-ear, lower dog-ear, leads to dog-ear position stress distribution
Uneven, weight is larger, and the upper main tension stress of dog-ear criss-cross construction, and welding quality requirement is very stringent, and welding is difficult
The technical issues of degree is big, and concave bottom frame easily cracks and stays during use.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
Technical solution is stated to be described in detail.
In order to solve to lead to dog-ear position stress since concave bottom frame is using the structure of upper dog-ear, lower dog-ear in the prior art
It is unevenly distributed, weight is larger, and the upper main tension stress of dog-ear criss-cross construction, and welding quality requirement is very stringent, weldering
It is big to connect difficulty, the technical issues of concave bottom frame easily cracks and stays during use, the application provides a kind of depressed center car.
As shown in Figure 1, the depressed center car includes two bogies 50 and concave bottom frame 60, the both ends branch of the concave bottom frame 60
It supports and is converted into car body in the rolling on the bogie 50, making wheel along rail by the bearing arrangement of bogie 50 and is transported along circuit
Capable translation.
Specifically, in the present embodiment, the concave bottom frame 60 includes load bearing beam 61, two end arms 62 and two cartridge beams 63.
The load bearing beam 61 is used for bearing goods.Specifically, in the present embodiment, the load bearing beam 61 is included in carrying
Plate 611 and the carrying lower plate 612 being oppositely arranged with carrying upper plate 61.
The end arms 62 is an integral molding structure, and fixation is connect two end arms 62 with 61 both ends of load bearing beam respectively.It is described
Two end arms 62 respectively include cover board 621, arc panel 622 and end plate 64, and one end of the arc panel 622 connects the cover board 621,
The other end connects one end of end plate 64, and the other end of the end plate 64 connects the load bearing beam 61.The load bearing beam 61 with it is described
The angle of end plate 64 is 65-75 degree.
The cover board 621 includes upper cover plate 623, the lower cover 624 being oppositely arranged with upper cover plate 623 and connect upper cover
The web 625 of plate 623 and lower cover 624.
The arc panel 622 includes arc panel 626 and arc lower plate on upper arc panel 626 and arc lower plate 627, connection
627 fanning strip 628.The upper arc panel 626 is connect with the upper cover plate 623, the arc lower plate 627 and the lower cover
624 connections.Lower cover 624 and the 627 tangent connection of arc lower plate, lower cover 624 and horizontal angle are 5 °~6 °, the structure
Be conducive to longitudinal force to be transmitted therebetween, avoid the stress concentration of fold angle type concave bottom frame in the position.
The end plate 64 includes upper head plate 641 and the bottom plate 642 being oppositely arranged with upper head plate 641, the upper head plate 641
It is connect with the upper arc panel 626, the bottom plate 642 is connect with the arc lower plate 627.Specifically, in present embodiment
In, the upper head plate 642 and the angle of carrying lower plate 612 are 65 °~75 °, which makes end plate 64 and upper 626 phase of arc panel
It cuts, is conducive to longitudinal force and is preferably transmitted between end arms 62 and load bearing beam 61, make the whole uniform force of concave bottom frame 60.
Specifically, in the present embodiment, the radius of the arc lower plate 627 be 500mm~600mm, the upper arc
The radius of plate 626 be 1250mm~1350mm, not only make so in a limited space interior end arms 62 be not likely to produce stress concentration, have
It conducive to the transmission of longitudinal force, can also make arc lower plate 627 that much room be formed below, ensure that vehicle in the process of running
The safe distance of concave bottom frame 61 and bogie 50, advantageously ensures that traffic safety, in addition, in the situation for meeting loading end length
Under, be conducive to shorten concave bottom frame entire length, reduce dead weight.
The cartridge beam 63 is individually fixed in the end far from the load bearing beam 61, the concave bottom frame in two end arms 62
60 are fixed on by described two cartridge beams 63 on described two bogies 50 respectively.
Specifically, the loading end width of the carrying upper plate 611 is 2800-3000mm, the carrying of the carrying upper plate 611
The height that identity distance leaves the right or normal track is less than or equal to 800mm.
For the application by setting cover board 621, arc panel 622 and end plate 64, one end of the arc panel 622 connects the lid
Plate 621, the other end connect one end of end plate 64, and the other end of the end plate 64 connects the load bearing beam 61, the load bearing beam 61
Angle with the end plate 64 is 65-75 degree, makes end plate 64 and arc panel 622 tangent, is conducive to longitudinal force preferably in end arms
It is transmitted between 62 and load bearing beam 61, makes the whole uniform force of concave bottom frame 60, solved in the prior art since concave bottom frame is using upper
The structure of dog-ear, lower dog-ear, leads to that dog-ear position stress distribution is uneven, and weight is larger, and upper dog-ear criss-cross construction master
Tension stress is wanted, welding quality requirement is very stringent, and welding difficulty is big, the skill that concave bottom frame easily cracks and stays during use
Art problem.
Although the preferred embodiment of the utility model has been described, those skilled in the art once know substantially
Creative concept, then additional changes and modifications may be made to these embodiments.So appended claims are intended to be construed to wrap
It includes preferred embodiment and falls into all change and modification of the scope of the utility model.
Obviously, those skilled in the art can carry out the utility model various modification and variations without departing from this practicality
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (8)
1. a kind of depressed center car, which is characterized in that the depressed center car includes concave bottom frame and two bogies, the concave bottom frame
Both ends are supported on the bogie；
The concave bottom frame includes load bearing beam, two end arms and two cartridge beams, and two end arms is fixed and the load bearing beam both ends respectively
Connection；The cartridge beam is individually fixed in the end far from the load bearing beam, the concave bottom frame in two end arms and passes through respectively
Described two cartridge beams are fixed on described two bogies；
Two end arms respectively includes cover board, arc panel and end plate, and one end of the arc panel connects the cover board, and the other end connects
One end of end plate is connect, the other end of the end plate connects the load bearing beam, and the angle of the load bearing beam and the end plate is 65-75
Degree.
2. depressed center car as described in claim 1, which is characterized in that the load bearing beam include carrying upper plate and in the carrying
The carrying lower plate that plate is oppositely arranged；
The end plate includes upper head plate and the bottom plate being oppositely arranged with upper head plate, and the upper head plate is connect with carrying lower plate, institute
The angle stated upper head plate and carried between lower plate is 65 °~75 °.
3. depressed center car as claimed in claim 1 or 2, which is characterized in that the end arms is an integral molding structure.
4. depressed center car as claimed in claim 1 or 2, which is characterized in that the cover board include upper cover plate, with the upper cover plate phase
Lower cover and the web of the connection upper cover plate and the lower cover to setting.
5. depressed center car as claimed in claim 4, which is characterized in that the arc panel includes upper arc panel and arc lower plate, connects
Connect the fanning strip of the upper arc panel and the arc lower plate；
The upper arc panel is connect with the upper cover plate, and the arc lower plate is connect with the lower cover.
6. depressed center car as claimed in claim 5, which is characterized in that the lower cover and the tangent connection of arc lower plate, institute
It is 5 °~6 ° that lower cover, which is stated, with horizontal angle.
7. depressed center car as claimed in claim 1 or 2, which is characterized in that the arc panel include upper arc panel and arc lower plate,
Connect the fanning strip of the upper arc panel and the arc lower plate.
8. depressed center car as claimed in claim 7, which is characterized in that the radius of the arc lower plate be 500mm~600mm, institute
The radius for stating arc panel is 1250mm~1350mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721114821.3U CN207510433U (en) | 2017-08-31 | 2017-08-31 | A kind of depressed center car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721114821.3U CN207510433U (en) | 2017-08-31 | 2017-08-31 | A kind of depressed center car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207510433U true CN207510433U (en) | 2018-06-19 |
Family
ID=62532581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721114821.3U Active CN207510433U (en) | 2017-08-31 | 2017-08-31 | A kind of depressed center car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207510433U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107458404A (en) * | 2017-08-31 | 2017-12-12 | 中车长江车辆有限公司 | A kind of depressed center car |
-
2017
- 2017-08-31 CN CN201721114821.3U patent/CN207510433U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107458404A (en) * | 2017-08-31 | 2017-12-12 | 中车长江车辆有限公司 | A kind of depressed center car |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200426 Address after: Song Jia Qiao Zhuzhou Hetang District of Hunan Province in 412003 Patentee after: CRRC Zhuzhou Vehicle Co., Ltd Address before: 430212 new bridge area, Jiangxia Economic Development Zone, Wuhan, Hubei Patentee before: CRRC Yangtze Co.,Ltd. |