CN216034376U - Concatenation formula vehicle bottom frame boundary beam, cab skeleton transition structure and vehicle - Google Patents
Concatenation formula vehicle bottom frame boundary beam, cab skeleton transition structure and vehicle Download PDFInfo
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- CN216034376U CN216034376U CN202122078520.2U CN202122078520U CN216034376U CN 216034376 U CN216034376 U CN 216034376U CN 202122078520 U CN202122078520 U CN 202122078520U CN 216034376 U CN216034376 U CN 216034376U
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Abstract
The utility model discloses a spliced type vehicle underframe side beam, a cab framework transition structure and a vehicle. The spliced type vehicle underframe side beam basically comprises a straight side beam and a bent beam, the number of the connecting plates is two, the two connecting plates are respectively positioned on two sides of the spliced type vehicle underframe side beam in the length direction, and the connecting plates are respectively connected with the straight side beam and the bent beam in a welding mode. The area of the cross section of the camber beam is smaller than that of the straight edge beam, so that the camber beam can be easily rolled and formed independently. The formed curved beam is connected with the straight-edge beam through a connecting plate. The vehicle underframe boundary beam is formed by welding a straight boundary beam and a bent beam, so that the processing amount of the section bar is reduced, and the material utilization rate is improved. Meanwhile, the fixed tool is adopted, the required welding time is short, and the welding cost is low.
Description
Technical Field
The utility model relates to the field of rail transit, in particular to a spliced type vehicle underframe side beam, a cab framework transition structure and a vehicle.
Background
The vehicle bottom frame side beam is positioned at the bottom of the vehicle body and is used for being welded with the side wall of the vehicle body and the upright post of the vehicle body. The undercarriage sill generally includes a straight section and a roll-curved section connected to the straight section. In the prior art, the manufacturing process of the side beam of the vehicle underframe generally comprises the following steps: the method comprises the following steps of chassis edge beam machining, roll bending, aging and shape correction. The side beam of the vehicle bottom frame is a large-section hollow section, the weight per meter of the section is 50-60Kg/m, and the diameter of the circumscribed circle is 200 mm. The vehicle underframe boundary beam generally adopts integrated roll bending, large roll bending equipment is needed, the roll bending process requirement is high, the roll bending time is long, and the roll bending cost is high. Meanwhile, the underframe boundary beam is generally longer (10 meters or more in length) and needs large aging equipment.
In order to meet the requirements of the profile tolerance and the verticality, the shape needs to be corrected after aging, the time for correcting is long, and particularly, the roll bending section of the side beam of the underframe has large processing amount, long time, high processing cost and low material utilization rate of the side beam of the underframe. In addition, when the side wall and the stand column of the vehicle body are welded with the underframe, the welding position needs local reinforcement, the requirement on the welding seam quality is high, and the risk of fatigue cracking easily occurs at the welding position.
Therefore, it is an urgent technical problem to provide a vehicle underframe side beam which is easy to process and can be firmly welded with the side wall and the upright post of the vehicle body.
SUMMERY OF THE UTILITY MODEL
In the summary section a series of concepts in a simplified form is introduced, which will be described in further detail in the detailed description section. The inventive content of the present invention is not intended to define key features or essential features of the claimed solution, nor is it intended to be used to limit the scope of the claimed solution.
In order to at least partially solve the technical problem, the utility model provides a spliced type vehicle underframe side beam. This concatenation formula vehicle underframe boundary beam includes:
a straight edge beam;
the bent beam is formed independently and is connected with the straight edge beam through a connecting plate;
the connecting plates are two and are respectively positioned on two sides of the length direction of the side beam of the spliced underframe, and the connecting plates are respectively connected with the straight side beam and the bent beam in a welding manner.
In an embodiment, a first transition plate and a second transition plate are further arranged between the straight edge beam and the curved beam, and the first transition plate and the second transition plate are sequentially connected and located on two sides of the connecting plate.
In the embodiment, still be provided with the welt on the first cab apron of crossing with the second cab apron of crossing, the welt is used for connecting first cab apron of crossing with the second cab apron of crossing and the camber beam, the welt includes along two that concatenation formula vehicle underframe boundary beam thickness direction set up relatively, is formed with the space that is used for installing the stand between two welts.
In an embodiment, a support is further included, the support being located between the two connecting plates.
In an embodiment, the shapes of the first transition plate and the second transition plate can be adjusted according to the side wall of the cab.
In the embodiment, still include the bending plate, the bending plate is connected respectively the straight flange roof beam and the camber beam is in the ascending face of concatenation formula vehicle bottom frame boundary beam thickness direction.
The utility model discloses a spliced type vehicle underframe side beam. The spliced type vehicle underframe edge beam basically comprises a straight edge beam and a bent beam. The area of the section of the curved beam is smaller than that of the straight edge beam, so that the curved beam can be easily rolled and formed independently; and the formed curved beam is connected with the straight edge beam through a connecting plate. The vehicle underframe boundary beam is formed by welding a straight boundary beam and a bent beam, so that the processing amount of the section bar is reduced, and the material utilization rate is improved. Meanwhile, the fixed tool is adopted, the required welding time is short, and the welding cost is low.
The cab framework transition structure is formed by welding and integrally butting the side wall of the cab and the upright post of the cab, the space for installing the upright post is formed between the two lining plates and can be used for accommodating the upright post mechanism, and the upright post mechanism and the edge beam of the welding vehicle chassis are integrally butted and welded, so that the rigidity of the whole vehicle is improved, and the stress concentration of a welding line is avoided. The liner plate can be arranged on one side where the side wall of the cab and the upright post of the cab need to be installed.
The utility model also discloses a cab framework transition structure. The structure includes: the cab side wall is fixedly connected with the cab upright post; the cab side wall is used for being connected with the bent beam of the splicing type vehicle underframe side beam, and the cab upright post is used for being connected with the connecting plate.
The utility model also discloses a vehicle. This vehicle still includes as above concatenation formula vehicle bottom frame boundary beam, the cab side wall and the stand of vehicle respectively with concatenation formula vehicle bottom frame boundary beam welded connection.
Specific embodiments of the present invention are disclosed in detail with reference to the following description and drawings, indicating the manner in which the principles of the utility model may be employed. It should be understood that the embodiments of the utility model are not so limited in scope. The embodiments of the utility model include many variations, modifications and equivalents within the spirit and scope of the appended claims.
Features that are described and/or illustrated with respect to one embodiment may be used in the same way or in a similar way in one or more other embodiments, in combination with or instead of the features of the other embodiments.
It should be emphasized that the term "comprises/comprising" when used herein, is taken to specify the presence of stated features, integers, steps or components but does not preclude the presence or addition of one or more other features, integers, steps or components.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic view of a spliced underframe side beam provided in an embodiment of the utility model;
FIG. 2 is a schematic top view of a tailor welded joint of a spliced underframe side beam according to an embodiment of the utility model;
FIG. 3 is a schematic view of the internal structure of the tailor welded joint of the side beam of the spliced underframe according to the embodiment of the utility model;
fig. 4 is a schematic structural view of the spliced type underframe side beam, cab side wall and upright column provided by the embodiment of the utility model.
Detailed Description
The technical solutions of the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments, it should be understood that these embodiments are merely illustrative of the present invention and are not intended to limit the scope of the present invention, and various equivalent modifications of the present invention by those skilled in the art after reading the present invention fall within the scope of the appended claims.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In order to at least partially address the above issues, according to a first aspect of the present invention, and as illustrated with reference to fig. 1-4, a spliced underframe sill is disclosed. The spliced type vehicle underframe edge beam basically comprises a straight edge beam 1 and a bent beam 2. The sectional area of the girder 2 is smaller than that of the straight-sided girder 1 so that the girder 2 can be easily roll-bent and separately formed. The formed curved beam 2 is connected with the straight-edge beam 1 through a connecting plate 3. The vehicle chassis side beam is formed by welding the straight side beam 1 and the bent beam 2, so that the processing amount of the sectional material is reduced, and the utilization rate of the material is improved. Meanwhile, the fixed tool is adopted, the required welding time is short, and the welding cost is low.
The connecting plates 3 are two, the two connecting plates 3 are respectively positioned on two sides of the length direction of the side beam of the splicing type vehicle underframe, and the straight-edge beam 1 and the bent beam 2 can be of flat structures with hollow structures in the middle. Taking fig. 3 as an example, one end of the connecting plate 3 may be welded to the upper plate of the straight-side beam 1, and the other end of the connecting plate 3 may be welded to the upper plate of the curved beam 2. Similarly, another connecting plate 3 can be connected to the plates located at the lower portions of the straight edge beam 1 and the curved beam 2 in the same manner, so as to fixedly connect the straight edge beam 1 and the curved beam 2 together.
In an alternative embodiment, a first transition plate 5 and a second transition plate 6 are further arranged between the straight-edge beam 1 and the curved beam 2, and the first transition plate 5 and the second transition plate 6 are connected in sequence and are located on two sides of the connecting plate 3. Further, still be provided with welt 7 on first transition board 5 and the second transition board 6, welt 7 is used for connecting first transition board 5 and second transition board 6 and camber beam 2, and welt 7 includes two that set up along concatenation formula vehicle underframe boundary beam thickness direction relatively, is formed with the space that is used for installing stand 10 between two welts 7. Cab skeleton transition structure is formed by the whole butt welding of cab side wall 9 and the whole butt welding of cab stand 10 welding, and the space that is formed with between two welts 7 and is used for installing stand 10 can be used for holding stand 10 mechanism, and it and the whole butt welding of welding car chassis boundary beam have improved whole car rigidity, have avoided welding seam stress concentration. The lining plate 7 can be arranged at one side where the cab side wall 9 and the cab upright post 10 need to be installed.
The shapes of the first transition plate 5 and the second transition plate 6 can be adjusted according to the side wall 9 of the cab, so that the first transition plate 5 and the second transition plate 6 can be better matched with the side wall 9 of the cab, and the overall assembly strength is improved.
In order to improve the strength of the edge beam of the spliced vehicle underframe, the edge beam of the spliced vehicle underframe also comprises a supporting piece 8. The supporting member 8 is located between the two connecting plates 3, for example, the supporting member 8 may be an I-shaped structure, one end of the supporting member 8 is welded to one connecting plate 3, and the other end of the supporting member 8 is welded to the other connecting plate 3 which is oppositely arranged.
Furthermore, the spliced type vehicle underframe side beam also comprises a bending plate 4. The bending plate 4 is a transition structure between the straight-edge beam 1 and the bending beam 2. The bending plate 4 is respectively connected with the surfaces of the straight edge beam 1 and the bending beam 2 in the thickness direction of the edge beam of the splicing type vehicle underframe. The shape of the bending plate can be adjusted according to the side wall 9 of the cab
The utility model also discloses a cab framework transition structure. The structure is installed in a matching way with a transition structure of a cab framework. The structure may include: the cab structure comprises a cab side wall 9 and a cab upright post 10, wherein the cab side wall 9 is fixedly connected with the cab upright post 10; the side wall 9 of the cab is used for being connected with the bent beam 2 of the side beam of the splicing type vehicle underframe, and the upright post 10 of the cab is used for being connected with the connecting plate 3.
Preferably, referring to fig. 4, the cab side walls 9 may include a plurality of cab side walls 9, the plurality of cab side walls 9 are sequentially arranged along the height direction of the cab upright 10, and each cab side wall 9 is connected to the cab upright 10.
The application also discloses a vehicle. The vehicle comprises the spliced type vehicle underframe side beam, and the cab side wall 9 and the upright post 10 of the vehicle are respectively welded with the spliced type vehicle underframe side beam.
The present invention has been illustrated by the above embodiments, but it should be understood that the above embodiments are for illustrative and descriptive purposes only and are not intended to limit the utility model to the scope of the described embodiments. Furthermore, it will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that many variations and modifications may be made in accordance with the teachings of the present invention, which variations and modifications are within the scope of the present invention as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a concatenation formula vehicle bottom frame boundary beam, its characterized in that, this concatenation formula vehicle bottom frame boundary beam includes:
a straight edge beam;
the bent beam is formed independently and is connected with the straight edge beam through a connecting plate;
the connecting plates are two and are respectively positioned on two sides of the length direction of the side beam of the spliced underframe, and the connecting plates are respectively connected with the straight side beam and the bent beam in a welding manner.
2. The spliced type vehicle underframe edge beam of claim 1, wherein a first transition plate and a second transition plate are further arranged between the straight edge beam and the curved beam, and the first transition plate and the second transition plate are sequentially connected and positioned at two sides of the connecting plate.
3. The spliced type vehicle underframe edge beam as claimed in claim 2, wherein lining plates are further arranged on the first transition plate and the second transition plate, the lining plates are used for connecting the first transition plate and the second transition plate with the bent beam, the lining plates comprise two oppositely arranged along the thickness direction of the spliced type vehicle underframe edge beam, and a space for installing a stand column is formed between the two lining plates.
4. The spliced underframe sill of claim 1 further comprising a support member positioned between the two tie plates.
5. The spliced type vehicle underframe edge beam of claim 3, wherein the shape of the first transition plate and the second transition plate can be adjusted according to the side wall of the cab.
6. The spliced vehicle underframe edge beam of claim 1, further comprising a bending plate, wherein the bending plate is connected with the straight edge beam and the bending beam respectively on the surface of the spliced vehicle underframe edge beam in the thickness direction.
7. A cab framework transition structure, comprising: the cab side wall is fixedly connected with the cab upright post; the cab side wall is used for being connected with the camber beam of the splicing type vehicle underframe side beam as claimed in any one of claims 1 to 6, and the cab upright post is used for being connected with the connecting plate.
8. The cab framework transition structure according to claim 7, wherein the cab side walls comprise a plurality of side walls, the plurality of side walls are sequentially arranged along the height direction of the cab upright, and each of the side walls is connected with the cab upright.
9. The cab framework transition structure according to claim 8, wherein a first transition plate and a second transition plate are further arranged between the straight edge beam and the curved beam, and the first transition plate and the second transition plate are sequentially connected and located on two sides of the connecting plate;
first cab apron with still be provided with the welt on the cab apron is crossed to the second, the welt is used for connecting first cab apron with the second is crossed the cab apron and the camber beam, the welt includes the edge two that concatenation formula vehicle underframe boundary beam thickness direction set up relatively are formed with between two welts and are used for the installation the space of cab stand.
10. The vehicle is characterized by comprising the spliced type vehicle underframe side beam as claimed in any one of claims 1 to 6 and the cab framework transition structure as claimed in any one of claims 7 to 9, wherein the cab side wall and the upright post of the vehicle are respectively connected with the spliced type vehicle underframe side beam in a welding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122078520.2U CN216034376U (en) | 2021-08-31 | 2021-08-31 | Concatenation formula vehicle bottom frame boundary beam, cab skeleton transition structure and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122078520.2U CN216034376U (en) | 2021-08-31 | 2021-08-31 | Concatenation formula vehicle bottom frame boundary beam, cab skeleton transition structure and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216034376U true CN216034376U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122078520.2U Active CN216034376U (en) | 2021-08-31 | 2021-08-31 | Concatenation formula vehicle bottom frame boundary beam, cab skeleton transition structure and vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN216034376U (en) |
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2021
- 2021-08-31 CN CN202122078520.2U patent/CN216034376U/en active Active
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