CN204296743U - A kind of automobile-used underframe - Google Patents
A kind of automobile-used underframe Download PDFInfo
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- CN204296743U CN204296743U CN201420844229.9U CN201420844229U CN204296743U CN 204296743 U CN204296743 U CN 204296743U CN 201420844229 U CN201420844229 U CN 201420844229U CN 204296743 U CN204296743 U CN 204296743U
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- lower cover
- underframe
- bathtub
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Abstract
The utility model discloses a kind of automobile-used underframe, be applied to railway truck, described underframe comprises: sleeper beam, first crossbeam, second cross beam, end carriage, central sill and bathtub.Central sill is laterally fixed on described sleeper beam, described first crossbeam and described second cross beam successively, and the end of described central sill is fixedly connected with described end carriage, to form described underframe; Bathtub is fixed on the middle part place of described central sill, and the basin mouth of described bathtub is lower than the base plate plate face of described railway truck.The utility model reasonably make use of the space in below vehicle floor face, makes the basin mouth of bathtub lower than the base plate plate face of railway truck, increases vehicle interior volume, bathtub is arranged on vehicle bottom simultaneously and also reduces vehicle's center of gravity.
Description
Technical field
The utility model belongs to railway truck technical field, particularly the automobile-used underframe of one.
Background technology
The car body of railway truck generally includes underframe, side wall and headwall.
Wherein, underframe is the primary load bearing structure of vehicle, and playing the effect supporting car body goods inside, is one of critical component of goods train vehicle.Along with the development of Heavy-Haul Railway technology, the light-weight design of vehicle seems more and more important.Under the prerequisite ensureing vehicle structure intensity, for reduction vehicle's center of gravity, reduce dead weight of vehicle, increase vehicle volume and have higher requirement.
But, in prior art, underframe is made up of sleeper beam, first crossbeam, second cross beam, end carriage, floor etc. usually, and underframe adopts the mode of monoblock level land plate to be arranged in car body, make vehicle body limited storage space, and the requirement reducing vehicle's center of gravity, reduce dead weight of vehicle and increase vehicle volume cannot be met.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of automobile-used underframe, space below this underframe Appropriate application vehicle floor face, make the basin mouth of bathtub parallel or lower than the base plate plate face of railway truck, increase vehicle interior volume, bathtub is arranged on vehicle bottom simultaneously and also reduces vehicle's center of gravity.
For solving the problems of the technologies described above, the utility model provides a kind of automobile-used underframe, be applied to railway truck, described underframe comprises: sleeper beam, first crossbeam, second cross beam and end carriage, also comprise: central sill, laterally be fixed on described sleeper beam, described first crossbeam and described second cross beam successively, and the end of described central sill is fixedly connected with described end carriage, to form described underframe; At least one bathtub, is fixed on the middle part place of described central sill, and the basin mouth of described bathtub is equal with the base plate plate face of described railway truck or lower than the base plate plate face of described railway truck, make the basin body of described bathtub be positioned at the bottom in described base plate plate face.
Further, described central sill comprises: intermediate beam, is fixed on described first crossbeam and described second cross beam, and the thickness at described intermediate beam and described first crossbeam and described second cross beam connecting portion place is the first thickness; End web, is fixed on described sleeper beam, and the thickness at described end web and described sleeper beam connecting portion place is the second thickness; Wherein, described intermediate beam and described end web splice, and described second thickness is greater than described first thickness.
Further, described intermediate beam middle part is provided with lower cover, and the two ends of described lower cover are provided with lower cover end; The thickness of described lower cover is the 3rd thickness, and the thickness of described lower cover end is the 4th thickness, and described 4th thickness is greater than described 3rd thickness.
Further, between described lower cover and described lower cover end, be provided with rebound, and the thickness of described rebound increases on along described lower cover to described lower cover end direction successively.
Further, described lower cover offers several through holes.
Further, the quantity of described bathtub is two, and two described bathtubs are symmetricly set on the both sides of described central sill successively, and is fixedly connected with described central sill, described first crossbeam respectively.
Further, described bathtub comprises: semi-cylindrical base plate; Semicircle end plate, is fixedly connected with described semi-cylindrical base plate and forms semi-enclosed space and store goods structure, to form described bathtub, and described semi-cylindrical base plate is provided with drain gutter, makes the ponding of vehicle interior can discharge car body smoothly.
Further, be fixedly connected with described in is rivet interlacement.
The automobile-used underframe of the one that the utility model provides, by bathtub being fixed on the middle part place of central sill, and the basin mouth of bathtub is lower than the base plate plate face of railway truck, reasonably make use of the space in below vehicle floor face, increase vehicle interior volume, reduce vehicle's center of gravity; Overcoming underframe in prior art directly adopts the mode of monoblock level land plate to be arranged in car body, and the vehicle body limited storage space caused, the technological deficiency reducing vehicle's center of gravity, increase vehicle volume requirement cannot be met.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The theory structure schematic diagram of a kind of automobile-used underframe that Fig. 1 provides for the utility model embodiment; And
The another structural representation of the automobile-used underframe that Fig. 2 provides for Fig. 1; And
The structural representation of the central sill that Fig. 3 provides for the utility model embodiment; And
The another structural representation of the central sill that Fig. 4 provides for Fig. 3; And
The structural representation of the bathtub that Fig. 5 provides for the utility model embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain, all belongs to the scope of the utility model protection.
The automobile-used underframe of the one that the utility model embodiment provides, is applied to railway truck, on the one hand, this underframe is by the space below Appropriate application vehicle floor face, make the basin mouth of bathtub lower than the base plate plate face of railway truck, increase vehicle interior volume, reduce vehicle's center of gravity; On the other hand, central sill adopts variable section structure to design by adopting by this underframe, makes the heavy part thickness of load capacity be greater than the light position of load capacity, reasonably reduces dead weight of vehicle, effectively reduce vehicle cost.
Specifically, refer to Fig. 1-2, this automobile-used underframe at least comprises: sleeper beam 1, first crossbeam 2, second cross beam 3, end carriage 4, central sill 5 and bathtub 6.Wherein, central sill 5 is laterally fixed on sleeper beam 1, first crossbeam 2 and second cross beam 3 successively, and the end of central sill 5 is fixedly connected with end carriage 4, to form underframe.Meanwhile, collect in time for ease of vehicle interior is collected together long-pending liquid water droplets because of rainy day or other environmental factors, discharge, in this automobile-used underframe, be provided with drain gutter by bottom bathtub 6.
In this process, the utility model embodiment is by the space below Appropriate application vehicle floor face, whole bathtub is made to be in base plate plate face less than 16, and do not occupy inner space, significantly increase vehicle interior volume, bathtub is arranged on vehicle bottom simultaneously and also reduces vehicle's center of gravity, meet the designing requirement of the automobile-used underframe of existing railway truck.
Meanwhile, for ease of parts stable connection each in automobile-used underframe, prevent loosening phenomenon and cause safety misadventure, preferably, the utility model embodiment is also provided with several longitudinal beams 15 on the direction along central sill 5.Wherein, each longitudinal beam 15 is laterally fixed on sleeper beam 1, first crossbeam 2 and second cross beam 3 successively, and is parallel to each other with central sill 5 respectively, to play the effect firm further of whole automobile-used underframe.
In the utility model embodiment, refer to Fig. 3-4, central sill 5 at least can comprise: the intermediate beam 7 in trench structure, end web 8.Wherein, intermediate beam 7 is fixed on first crossbeam 2 and second cross beam 3, and end web 8 is fixed on sleeper beam 1, and the mode of overlap joint can be adopted between intermediate beam 7 with end web 8 to be connected.
Meanwhile, in this automobile-used underframe, using the thickness at intermediate beam 7 and first crossbeam 2 and second cross beam 3 connecting portion place as the first thickness, the thickness at end web 8 and sleeper beam 1 connecting portion place is as the second thickness; Due to the main carrying position that sleeper beam 1 is vehicle, first crossbeam 2, second cross beam 3 are secondary carryings place of vehicle, therefore above-mentioned second thickness can be greater than the first thickness, while ensureing central sill 5 desirable strength, reaches the object rationally reducing dead weight of vehicle, reduce vehicle cost.
In the utility model embodiment, the middle part place of intermediate beam 7 is provided with lower cover 9, and the two ends of lower cover 9 are provided with lower cover end 10, lower cover 9 offers several through holes 12.Wherein, identical with above-mentioned principle, using the thickness of lower cover 9 as the 3rd thickness, the thickness of lower cover end 10 is as the 4th thickness, and be provided with rebound 11 between lower cover 9 and lower cover end 10, the thickness of rebound 11 is increasing successively along on direction, lower cover 9 to lower cover end 10, on the one hand while reaching central sill 5 desirable strength, further reduce dead weight of vehicle, the thickness of rebound 11 is increasing successively along on direction, lower cover 9 to lower cover end 10 on the other hand, achieve lower cover 9, gradually changing of both lower cover ends 10 thickness, avoid lower cover 9 and lower cover end 10 concentrate due to stress at work and crack, improve both Joint strenghts, ensure that the safe and reliable of vehicle operating.
In the utility model embodiment, the material in base plate plate face 16 can be aluminum, and compared with steel quality plate of the prior art, base plate plate face 16 reduces the deadweight of vehicle.
In the utility model embodiment, the quantity of bathtub 6 can be designed to two, and two bathtubs 6 are symmetricly set on the both sides of central sill 5 successively, and is fixedly connected with central sill 5, first crossbeam 2 respectively; To reduce the center of vehicle, and between the steel beam column and aluminium alloy element of automobile-used underframe, the utility model embodiment is also coated with insulating material, to prevent electrochemical corrosion.
Specifically, refer to Fig. 5, bathtub 6 can at least comprise: semi-cylindrical base plate 13, semicircle end plate 14.Wherein, semicircle end plate 14 is fixedly connected with semi-cylindrical base plate 13 and forms semi-enclosed space and store goods structure, and to form bathtub 6, and semi-cylindrical base plate 13 is provided with drain gutter, the ponding being provided for vehicle interior discharges car body smoothly.
Preferably, in the present embodiment, above-mentioned being fixedly connected with can be all rivet interlacement, to make to connect simply, and convenient disassembly.
The automobile-used underframe of the one that the utility model provides, its beneficial effect is as described below:
1., the utility model by bathtub 6 being fixed on the middle part place of central sill 5, and the basin mouth of bathtub 6 is lower than the base plate plate face 16 of railway truck, reasonably make use of the space in below vehicle floor face, increases vehicle interior volume, reduce vehicle's center of gravity;
2., the utility model by arranging several longitudinal beams 15 on the direction along central sill 5, and each longitudinal beam 15 is parallel to each other with central sill 5 respectively, to play the effect firm further of whole automobile-used underframe, prevent loosening phenomenon and cause safety misadventure;
3., the utility model using the thickness at intermediate beam 7 and first crossbeam 2 and second cross beam 3 connecting portion place as the first thickness, the thickness at end web 8 and sleeper beam 1 connecting portion place is as the second thickness; Due to the main carrying position that sleeper beam 1 is vehicle, first crossbeam 2, second cross beam 3 are secondary carryings place of vehicle, therefore above-mentioned second thickness can be greater than the first thickness, while ensureing central sill 5 desirable strength, reaches the object rationally reducing dead weight of vehicle, reduce vehicle cost;
4., in the utility model, the thickness of rebound 11 is increasing successively along on direction, lower cover 9 to lower cover end 10, on the one hand while reaching central sill 5 desirable strength, further reduce dead weight of vehicle, the thickness of rebound 11 is increasing successively along on direction, lower cover 9 to lower cover end 10 on the other hand, achieve lower cover 9, the gradually changing of both lower cover ends 10 thickness, avoid lower cover 9 and lower cover end 10 concentrate due to stress at work and crack, improve both Joint strenghts, ensure that the safe and reliable of vehicle operating.
5., in the utility model, the material in base plate plate face 16 is aluminum, and compared with steel quality plate of the prior art, base plate plate face 16 reduces the deadweight of vehicle.
It should be noted last that, above detailed description of the invention is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to example, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (8)
1. an automobile-used underframe, is applied to railway truck, and described underframe comprises: sleeper beam, first crossbeam, second cross beam and end carriage, is characterized in that, also comprises:
Central sill, be laterally fixed on described sleeper beam, described first crossbeam and described second cross beam successively, and the end of described central sill is fixedly connected with described end carriage, to form described underframe;
At least one bathtub, is fixed on the middle part place of described central sill, and the basin mouth of described bathtub is equal with the base plate plate face of described railway truck or lower than the base plate plate face of described railway truck, make the basin body of described bathtub be positioned at the bottom in described base plate plate face.
2. automobile-used underframe as claimed in claim 1, is characterized in that, described central sill comprises:
Intermediate beam, is fixed on described first crossbeam and described second cross beam, and the thickness at described intermediate beam and described first crossbeam and described second cross beam connecting portion place is the first thickness;
End web, is fixed on described sleeper beam, and the thickness at described end web and described sleeper beam connecting portion place is the second thickness;
Wherein, described intermediate beam and described end web splice, and described second thickness is greater than described first thickness.
3. automobile-used underframe as claimed in claim 2, is characterized in that:
Described intermediate beam middle part is provided with lower cover, and the two ends of described lower cover are provided with lower cover end; The thickness of described lower cover is the 3rd thickness, and the thickness of described lower cover end is the 4th thickness, and described 4th thickness is greater than described 3rd thickness.
4. automobile-used underframe as claimed in claim 3, is characterized in that:
Be provided with rebound between described lower cover and described lower cover end, and the thickness of described rebound increases on along described lower cover to described lower cover end direction successively.
5. automobile-used underframe as claimed in claim 3, is characterized in that:
Described lower cover offers several through holes.
6. automobile-used underframe as claimed in claim 1, is characterized in that:
The quantity of described bathtub is two, and two described bathtubs are symmetricly set on the both sides of described central sill successively, and is fixedly connected with described central sill, described first crossbeam respectively.
7. automobile-used underframe as claimed in claim 6, is characterized in that, described bathtub comprises:
Semi-cylindrical base plate;
Semicircle end plate, is fixedly connected with described semi-cylindrical base plate and forms semi-enclosed space and store goods structure, to form described bathtub, and described semi-cylindrical base plate is provided with drain gutter, makes the ponding of vehicle interior can discharge car body smoothly.
8. the automobile-used underframe as described in any one of claim 1-7, is characterized in that:
Described being fixedly connected with is rivet interlacement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420844229.9U CN204296743U (en) | 2014-12-25 | 2014-12-25 | A kind of automobile-used underframe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420844229.9U CN204296743U (en) | 2014-12-25 | 2014-12-25 | A kind of automobile-used underframe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204296743U true CN204296743U (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420844229.9U Active CN204296743U (en) | 2014-12-25 | 2014-12-25 | A kind of automobile-used underframe |
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| CN (1) | CN204296743U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112124347A (en) * | 2020-09-23 | 2020-12-25 | 中车齐齐哈尔车辆有限公司 | Bathtub structure and have its vehicle chassis |
-
2014
- 2014-12-25 CN CN201420844229.9U patent/CN204296743U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112124347A (en) * | 2020-09-23 | 2020-12-25 | 中车齐齐哈尔车辆有限公司 | Bathtub structure and have its vehicle chassis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 430212 Jiangxia Economic Development Zone, Wuhan, the new bridge area of the city of Hubei Patentee after: CRRC YANGTZE CO., LTD. Address before: 430212 Jiangxia Economic Development Zone, Wuhan, the new bridge area of the city of Hubei Patentee before: China South Locomotive & Rolling Stock Changjiang Vehicle Company |