CN116890917A - Frame longitudinal beam, frame assembly and vehicle - Google Patents
Frame longitudinal beam, frame assembly and vehicle Download PDFInfo
- Publication number
- CN116890917A CN116890917A CN202311106756.XA CN202311106756A CN116890917A CN 116890917 A CN116890917 A CN 116890917A CN 202311106756 A CN202311106756 A CN 202311106756A CN 116890917 A CN116890917 A CN 116890917A
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- web
- frame
- rail
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- distance
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- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 10
- 230000007423 decrease Effects 0.000 claims description 6
- 238000000576 coating method Methods 0.000 abstract description 6
- 238000005452 bending Methods 0.000 abstract description 5
- 239000011248 coating agent Substances 0.000 abstract description 3
- 238000006056 electrooxidation reaction Methods 0.000 abstract description 3
- 239000013585 weight reducing agent Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
- B62D21/04—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members single longitudinal type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
- B62D29/008—Superstructures, understructures, or sub-units thereof, characterised by the material thereof predominantly of light alloys, e.g. extruded
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention relates to the technical field of vehicles and discloses a frame longitudinal beam, a frame assembly and a vehicle, wherein the frame longitudinal beam comprises a longitudinal beam main body, the longitudinal beam main body is an aluminum alloy structural member, the longitudinal beam main body comprises a beam web and two beam wing plates, one beam wing plate is connected to one end of the beam web in the width direction and is positioned at one side of the beam web in the thickness direction, the other beam wing plate is connected to the other end of the beam web in the width direction and is positioned at one side of the beam web in the thickness direction, and the thickness of the beam wing plates is different from that of the beam web. The girder main body adopts an aluminum alloy structural member, and the thickness of the girder wing plate is different from that of the girder web plate, so that the girder main body can realize the large-scale weight reduction of the girder of the frame without sacrificing the structural strength, and has higher bending resistance and anti-roll capability; in addition, the coating process can be omitted, the coating cost is saved, and the problem of electrochemical corrosion can be avoided.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to a frame longitudinal beam, a frame assembly and a vehicle.
Background
The frame of the vehicle comprises a cross beam and a longitudinal beam, wherein the cross beam is used for ensuring the torsional rigidity of the frame and bearing longitudinal load; the longitudinal beam extends from the front part to the tail part of the automobile and is a middle flow column of the whole automobile body, so that the automobile body is supported on one hand, and on the other hand, the longitudinal beam is used for dispersing impact energy and resisting automobile body deformation when the automobile collides longitudinally.
The existing frame rail has the defects of heavy weight and high processing cost, so that a frame rail is needed to solve the technical problems.
Disclosure of Invention
The invention aims to provide a frame longitudinal beam, a frame assembly and a vehicle, which can meet the structural strength requirement of the frame longitudinal beam and reduce the weight and the processing cost of the frame longitudinal beam.
To achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a frame longeron, includes the longeron main part, the longeron main part is aluminum alloy structure, the longeron main part includes web and two beam pterygoid lamina, one of them the beam pterygoid lamina connect in web width direction one end and this beam pterygoid lamina are located web thickness direction one side, another the beam pterygoid lamina connect in web width direction's the other end and this beam pterygoid lamina is located web thickness direction one side, the thickness of beam pterygoid lamina with the thickness of web is unequal.
As a preferable technical scheme of the frame longitudinal beam, the thickness of the beam wing plate is larger than that of the beam web.
As a preferable technical scheme of the frame rail, two beam wing plates are positioned on the same side in the thickness direction of the beam web to form the rail main body in a C shape;
or, two beam wing plates are positioned at two sides of the thickness direction of the beam web plate so as to form the longitudinal beam main body in a Z shape.
As a preferable technical scheme of the frame longitudinal beam, the beam web and the beam wing plate are integrally formed structural members.
As a preferable technical scheme of the frame longitudinal beam, the beam web is provided with a plurality of mounting holes for connecting other structures of the chassis.
In order to achieve the above object, the present invention further provides a frame assembly, which comprises a plurality of frame cross members and two frame longitudinal beams according to any one of the above schemes, wherein the plurality of frame cross members are arranged at intervals and opposite to each other along the length direction of the longitudinal beam main body, and two ends of each frame cross member are respectively connected to two frame longitudinal beams.
As a preferable technical scheme of the frame assembly, two ends of the frame longitudinal beam along the length direction of the beam web are respectively a front end part and a rear end part, wherein the front end part is close to a vehicle head, and the rear end part is close to a vehicle tail;
the spacing between the webs of the two frame rails in the web thickness direction tends to decrease in the direction from the front end portion to the rear end portion.
As a preferable technical scheme of the frame assembly, the beam web comprises a first web, a second web and a third web which are sequentially connected from the front end part to the rear end part;
the distance between the two first webs is a first distance, the distance between the two second webs is a second distance, and the distance between the two third webs is a third distance along the thickness direction of the web plates;
the first interval and the third interval are fixed values, the second interval is smaller than the first interval and larger than the third interval, and the second interval gradually decreases from the front end part to the rear end part.
As a preferable technical scheme of the frame assembly, the frame cross member closest to the front end portion among the plurality of frame cross members is a first cross member, and two ends of the first cross member are respectively connected to one ends of the second webs of the two frame cross members, which are close to the third webs.
As a preferable technical scheme of the frame assembly, each frame cross beam is an aluminum alloy beam.
In order to achieve the above object, the present invention further provides a vehicle, including the frame assembly.
The invention has the beneficial effects that: according to the frame longitudinal beam, the frame assembly and the vehicle, the longitudinal beam main body of the frame longitudinal beam adopts the aluminum alloy structural member, and the thickness of the beam wing plate is different from that of the beam web, so that the weight of the frame longitudinal beam can be greatly reduced on the premise of not sacrificing the structural strength, and the frame longitudinal beam has higher bending resistance and anti-rolling capability; in addition, the coating process can be omitted, the coating cost is saved, and the problem of electrochemical corrosion can be avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly explain the drawings needed in the description of the embodiments of the present invention, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the contents of the embodiments of the present invention and these drawings without inventive effort for those skilled in the art.
FIG. 1 is a schematic illustration of a frame assembly (C-shaped rail body) according to one embodiment of the present invention;
FIG. 2 is a schematic diagram of a frame assembly (C-shaped rail body) according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a C-shaped stringer body according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a frame assembly provided in accordance with one embodiment of the present invention;
FIG. 5 is a top view of two stringer bodies provided in accordance with an embodiment of the present invention;
FIG. 6 is a schematic illustration of a frame assembly (a zig-zag rail body) according to another embodiment of the present invention;
FIG. 7 is a schematic view of a structure of a zigzag-shaped stringer body according to another embodiment of the present invention;
fig. 8 is a cross-sectional view of a stringer body provided by another embodiment of the present invention.
In the figure:
1. a stringer main body; 11. a web; 111. a first web; 112. a second web; 113. a third web; 12. a beam wing plate; 121. a first wing plate; 122. a second wing plate; 123. a third wing plate;
21. a first cross beam; 22. a second cross beam; 23. a third cross beam; 24. and a fourth cross beam.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
As shown in fig. 1 to 8, the present embodiment provides a frame rail, which includes a rail main body 1, the rail main body 1 is an aluminum alloy structural member, the rail main body 1 includes a rail web 11 and two rail wing plates 12, one of the rail wing plates 12 is connected to one end of the rail web 11 in the width direction and the rail wing plate 12 is located at one side of the rail web 11 in the thickness direction, the other rail wing plate 12 is connected to the other end of the rail web 11 in the width direction and the rail wing plate 12 is located at one side of the rail web 11 in the thickness direction, and the thickness of the rail wing plate 12 is different from the thickness of the rail web 11. Illustratively, the spar web 12 has a thickness that is greater than the spar web 11.
The girder main body 1 of the frame girder adopts an aluminum alloy structural member, and the thickness of the girder wing plate 12 is different from that of the girder web plate 11, so that the frame girder can be greatly reduced in weight on the premise of not sacrificing the structural strength, and has higher bending resistance and anti-roll capability; in addition, the coating process can be omitted, the coating cost is saved, and the problem of electrochemical corrosion can be avoided.
In some embodiments, as shown in fig. 1 to 5, two spar panels 12 are located on the same side in the thickness direction of the spar web 11 to form a stringer body 1 having a C-shape. Compared with the traditional C-shaped steel structure longitudinal beam, the bending resistance is the same, and the weight can be reduced by about 190Kg. Illustratively, as shown in FIG. 5, the web 11 has a thickness D 1 The thickness of the beam-wing plate 12 is D 2 ，D 1 ＜D 2 。
In some embodiments, as shown in fig. 7 and 8, two spar panels 12 are located on both sides in the thickness direction of the spar web 11 to form the stringer body 1 in a zigzag shape. The zigzag-shaped side member body 1 has the same bending resistance and the same weight reduction effect as those of the C-shaped side member body 1, but the zigzag-shaped side member body 1 has a higher anti-roll capability and is improved by about 50% as compared with the C-shaped side member body 1. Illustratively, as shown in FIG. 8, the web 11 has a thickness D 1 The thickness of the beam-wing plate 12 is D 2 ，D 1 ＜D 2 。
Further, the web 11 and the wing plate 12 are integrally formed structural members. Illustratively, the rail main body 1 may be formed by a profile extrusion or casting process, which can reduce the processing cost of the frame rail and improve the processing convenience.
Further, the web 11 is provided with a plurality of mounting holes for connecting other structures of the chassis, and the web 11 of the frame longitudinal beam is connected with other structures of the chassis of the vehicle through fasteners, so that the connection between the frame longitudinal beam and the other structures is not affected, and the connection cost is not increased.
The embodiment of the invention also provides a frame assembly, which comprises a plurality of frame cross beams and two frame cross beams, wherein the frame cross beams are arranged at intervals and opposite to each other along the length direction of the longitudinal beam main body 1, and two ends of each frame cross beam are respectively connected with the two frame cross beams. Illustratively, the C-shaped openings of the two frame rails are disposed opposite one another.
Further, the two ends of the frame longitudinal beam along the length direction of the beam web 11 are respectively a front end and a rear end, the front end is close to the vehicle head, and the rear end is close to the vehicle tail; in the direction from the front end portion to the rear end portion, the spacing between the webs 11 of the two frame rails in the thickness direction of the webs 11 tends to decrease.
Specifically, the web 11 includes a first web 111, a second web 112, and a third web 113 that are connected in this order in the direction from the front end to the rear end; the distance between the two first webs 111 is a first distance, the distance between the two second webs 112 is a second distance, and the distance between the two third webs 113 is a third distance along the thickness direction of the web 11; the first interval and the third interval are fixed values, the second interval is smaller than the first interval and larger than the third interval, and the second interval gradually decreases from the front end part to the rear end part. By this arrangement, the first web 111, the second web 112, and the third web 113 can be sequentially connected along the length direction of the web 11 to form the zigzag web 11.
Illustratively, as shown in FIG. 5, the first spacing is d 1 The second distance is d 2 The third interval is d 3 ，d 1 ＞d 2 ＞d 3 。
Alternatively, both ends in the length direction of the second web 112 are smoothly connected with the first web 111 and the third web 113, respectively. Correspondingly, the beam wing plate 12 comprises a first wing plate 121, a second wing plate 122 and a third wing plate 123 which are sequentially connected from the front end part to the rear end part, the first wing plate 121 is connected with the first web 111, the second wing plate 122 is connected with the second web 112, the third wing plate 123 is connected with the third web 113, and two ends of the second wing plate 122 in the length direction are respectively connected with the first wing plate 121 and the third wing plate 123 in a smooth transition mode.
Further, the frame cross member closest to the front end portion among the plurality of frame cross members is a first cross member 21, and two ends of the first cross member 21 are respectively connected to one ends of the second web plates 112 of the two frame cross members, which are close to the third web plates 113. The arrangement can meet the requirement of the supporting capacity of the frame assembly.
Specifically, the first cross beam 21 includes a first cross beam 21 main body and two first longitudinal beam connecting plates, two first longitudinal beam connecting plates are respectively connected to two ends of the first cross beam 21 main body, and the first cross beam 21 main body is of a hollow tubular structure. The two first stringer webs are each connected to the two second webs 112 by a plurality of fasteners.
Optionally, the plurality of frame cross members further includes a second cross member 22, a third cross member 23, and a fourth cross member 24 sequentially distributed and spaced from the front end to the rear end, wherein the second cross member 22 is located between the first cross member 21 and the third cross member 23. The fourth cross member 24 has a C-shaped structure with an opening toward the front end, and both ends of the fourth cross member 24 are connected to the rear end portions of the two frame rails, respectively. The third cross beam 23 is a tubular structure, two ends of the third cross beam 23 are respectively connected to two frame longitudinal beams, the second cross beam 22 is a two-plate structure, the two-plate structure is arranged at intervals in the vertical direction, and two ends of each plate structure are respectively connected to two frame longitudinal beams.
Further, each frame cross beam is an aluminum alloy beam, and the weight and the processing cost of the frame assembly can be reduced on the premise of ensuring the structural strength of the frame assembly.
Embodiments of the present invention also provide a vehicle comprising a frame assembly according to any of the above aspects. The vehicle has the same technical effects as the frame assembly, and the detailed description is not repeated here.
Furthermore, the foregoing description of the preferred embodiments and the principles of the invention is provided herein. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, while the invention has been described in connection with the above embodiments, the invention is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the invention, which is set forth in the following claims.
Claims (10)
1. The utility model provides a frame longeron, its characterized in that, includes longeron main part (1), longeron main part (1) are aluminum alloy structure, longeron main part (1) include web (11) and two beam wing boards (12), one of them beam wing board (12) connect in web (11) width direction one end and this beam wing board (12) are located web (11) thickness direction one side, another beam wing board (12) connect in web (11) width direction's the other end and this beam wing board (12) are located web (11) thickness direction one side, the thickness of beam wing board (12) with web (11) thickness is unequal.
2. The frame rail of claim 1, wherein the thickness of the spar web (11) is the thickness of the spar wing panel (12).
3. The frame rail according to claim 1, characterized in that two of the spar panels (12) are located on the same side in the thickness direction of the spar web (11) to form the rail body (1) in the shape of a C;
or, two of the girder wing plates (12) are located at both sides of the girder web plate (11) in the thickness direction to form the girder body (1) in a zigzag shape.
4. The frame rail of claim 1, wherein the web (11) and the spar panel (12) are integrally formed as a structural member.
5. A frame assembly comprising a plurality of frame rails and two frame rails according to any one of claims 1 to 4, wherein the plurality of frame rails are spaced apart and arranged opposite to each other along the length direction of the rail body (1), and two ends of each frame rail are respectively connected to two frame rails.
6. The frame assembly according to claim 5, wherein the frame rail has front and rear ends along the length of the web (11), respectively, the front end being adjacent to the vehicle head and the rear end being adjacent to the vehicle tail;
the distance between the webs (11) of the two frame rails in the thickness direction of the webs (11) tends to decrease in the direction from the front end to the rear end.
7. The frame assembly according to claim 6, wherein the spar web (11) comprises a first web (111), a second web (112) and a third web (113) connected in sequence from the front end to the rear end;
the distance between the two first webs (111) is a first distance, the distance between the two second webs (112) is a second distance, and the distance between the two third webs (113) is a third distance along the thickness direction of the web (11);
the first interval and the third interval are fixed values, the second interval is smaller than the first interval and larger than the third interval, and the second interval gradually decreases from the front end part to the rear end part.
8. The frame assembly according to claim 7, wherein the frame cross member closest to the front end portion among the plurality of frame cross members is a first cross member (21), and both ends of the first cross member (21) are respectively connected to one ends of the second webs (112) of the two frame cross members near the third web (113).
9. The frame assembly of claim 5, wherein each of the frame rails is an aluminum alloy rail.
10. A vehicle comprising a frame assembly according to any one of claims 5 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311106756.XA CN116890917A (en) | 2023-08-30 | 2023-08-30 | Frame longitudinal beam, frame assembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311106756.XA CN116890917A (en) | 2023-08-30 | 2023-08-30 | Frame longitudinal beam, frame assembly and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116890917A true CN116890917A (en) | 2023-10-17 |
Family
ID=88312359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311106756.XA Pending CN116890917A (en) | 2023-08-30 | 2023-08-30 | Frame longitudinal beam, frame assembly and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116890917A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117799703A (en) * | 2024-01-05 | 2024-04-02 | 东风汽车股份有限公司 | A steel-aluminum hybrid light truck frame assembly |
-
2023
- 2023-08-30 CN CN202311106756.XA patent/CN116890917A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117799703A (en) * | 2024-01-05 | 2024-04-02 | 东风汽车股份有限公司 | A steel-aluminum hybrid light truck frame assembly |
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