CN112498484A - Heavy new energy vehicle and frame thereof - Google Patents
Heavy new energy vehicle and frame thereof Download PDFInfo
- Publication number
- CN112498484A CN112498484A CN202011460576.8A CN202011460576A CN112498484A CN 112498484 A CN112498484 A CN 112498484A CN 202011460576 A CN202011460576 A CN 202011460576A CN 112498484 A CN112498484 A CN 112498484A
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- Prior art keywords
- frame
- cross beam
- cross
- suspension
- aluminum alloy
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 46
- 239000010959 steel Substances 0.000 claims abstract description 46
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 34
- 239000000725 suspension Substances 0.000 claims description 44
- 238000003466 welding Methods 0.000 claims description 6
- 238000005242 forging Methods 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 abstract description 5
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000013585 weight reducing agent Substances 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- 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)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a heavy new energy vehicle and a frame thereof, wherein the frame comprises: the number of the longitudinal beams is two, the two longitudinal beams are arranged in parallel at intervals, and the longitudinal beams are of steel plate structures; the headstock cross beam is a steel structural part, is arranged between the two longitudinal beams and is positioned at the end part of the frame; the number of the beam groups is multiple, each beam group is arranged between two longitudinal beams, at least one of the beam groups is an aluminum alloy component, and the rest beam groups are steel structural components. Therefore, the high-strength and low-density aluminum alloy component is matched with the steel structural component to form a steel-aluminum hybrid frame structure, so that the self weight of the frame is reduced, and the dynamic performance of the chassis is improved; the technical problems that in the prior art, the dead weight of an all-steel integral frame is large, and the lightweight design of the whole vehicle is hindered are solved.
Description
Technical Field
The invention relates to the technical field of vehicle engineering, in particular to a heavy new energy vehicle and a frame thereof.
Background
With the development of new energy automobiles, the lightweight design of automobiles is more urgent, and the frame is an important component of the off-road vehicle and is an installation base body of the whole vehicle. The conventional frame longitudinal beam of the off-road vehicle generally adopts an all-steel structure, so that on one hand, the steel material structural part is mature in production process and low in cost, and on the other hand, the hot rolled steel has high strength and rigidity and can easily meet the performance requirements.
However, the whole all-steel frame has a large mass, and the frame also has a large mass on the chassis, which hinders the whole-vehicle light-weight design of the new energy vehicle.
Disclosure of Invention
In view of this, the invention provides a heavy new energy vehicle and a frame thereof, which at least partially solve the technical problems that the dead weight of an all-steel integral frame is large and the light weight design of the whole vehicle is hindered in the prior art.
In order to achieve the above object, an aspect of the present invention provides a vehicle frame for a heavy new energy vehicle, the vehicle frame including:
the number of the longitudinal beams is two, the two longitudinal beams are arranged in parallel at intervals, and the longitudinal beams are of steel plate structures;
the headstock cross beam is a steel structural part, is arranged between the two longitudinal beams and is positioned at the end part of the frame;
the number of the beam groups is multiple, each beam group is arranged between two longitudinal beams, at least one of the beam groups is an aluminum alloy component, and the rest beam groups are steel structural components.
Further, the beam set includes:
the suspension cross beam is an aluminum alloy component and is detachably arranged on the two longitudinal beams through the mounting end faces at the two ends of the suspension cross beam.
Furthermore, at least one lightening hole is formed in the suspension frame cross beam.
Further, the beam set includes:
the suspension lower cross beams are multiple, and the cantilever lower cross beams are arranged at intervals along the extending direction of the longitudinal beam.
Further, the cantilever lower beam comprises:
the number of the cross beam bodies is two, and the two cross beam bodies are arranged on the longitudinal beam in parallel;
and the lower swing arm supports of the suspension are arranged at two ends of the beam body and are fixedly connected with the longitudinal beam.
Further, the beam body is a steel structural member or an aluminum alloy splicing structure; and/or the suspension lower swing arm support is an aluminum alloy member or a steel structure forging piece.
Further, the beam set includes:
the multifunctional cross beam is of an aluminum alloy tailor-welding structure.
Further, the beam set includes:
the vertical cross beam comprises a vertical cross beam body, and an upper oil cylinder seat and a suspension arm mounting seat which are mounted on the vertical cross beam body.
Further, the upper oil cylinder seat and the suspension arm mounting seat are both aluminum alloy members.
The invention further provides a heavy new energy vehicle which comprises the vehicle frame.
In one or more specific embodiments, the frame provided by the invention has the following technical effects:
the frame provided by the invention is used for a heavy new energy vehicle and comprises longitudinal beams, a headstock cross beam and a cross beam group; the two longitudinal beams are arranged in parallel at intervals, the longitudinal beams are of steel plate structures, the headstock cross beam is of a steel structural member and is arranged between the two longitudinal beams and located at the end part of the frame, the cross beam groups are multiple, each cross beam group is arranged between the two longitudinal beams, at least one of the cross beam groups is an aluminum alloy member, and the rest of the cross beam groups are steel structural members. Therefore, the high-strength and low-density aluminum alloy component is matched with the steel structural component to form a steel-aluminum hybrid frame structure, so that the self weight of the frame is reduced, and the dynamic performance of the chassis is improved; the technical problems that in the prior art, the dead weight of an all-steel integral frame is large, and the lightweight design of the whole vehicle is hindered are solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural view of one embodiment of a vehicle frame provided by the present invention;
FIG. 2 is a schematic structural view of a side rail of the frame shown in FIG. 1;
FIG. 3 is a schematic structural view of a suspension cross member of the frame of FIG. 1;
FIG. 4 is a schematic view of the mounting arrangement of the lower cross member of the suspension of FIG. 1;
FIG. 5 is a schematic structural view of the multi-function cross member of the vehicle frame of FIG. 1;
FIG. 6 is a schematic structural view of a vertical cross member of the vehicle frame shown in FIG. 1.
Description of reference numerals:
1-longitudinal beam 2-vehicle head beam 3-suspension beam 4-suspension lower beam 5-multifunctional beam
6-erecting cross beam
31-mounting end face 32-lightening hole
41-crossbeam body 42-suspension lower swing arm support
61-vertical cross beam body 62-upper oil cylinder seat 63-suspension arm mounting seat
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
It should be noted that, in the case of no conflict, the features in the following embodiments and examples may be combined with each other; moreover, all other embodiments that can be derived by one of ordinary skill in the art from the embodiments disclosed herein without making any creative effort fall within the scope of the present disclosure.
It is noted that various aspects of the embodiments are described below within the scope of the appended claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the disclosure, one skilled in the art should appreciate that one aspect described herein may be implemented independently of any other aspects and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. Additionally, such an apparatus may be implemented and/or such a method may be practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.
The frame provided by the invention is designed by a steel-aluminum hybrid frame structure, so that the self weight of the frame is reduced, the performance of a chassis is improved, and the lightweight level of a new energy vehicle is improved.
In one embodiment, the frame provided by the invention is used for a heavy new energy vehicle, and comprises a longitudinal beam 1, a nose beam 2 and a plurality of beam groups, as shown in fig. 1; the number of the longitudinal beams 1 is two, the two longitudinal beams 1 are arranged in parallel at intervals, and the longitudinal beams 1 are of steel plate structures; the headstock cross beam 2 is a steel structural member, and the headstock cross beam 2 is arranged between the two longitudinal beams 1 and is positioned at the end part of the frame; each beam group is arranged between two longitudinal beams 1, at least one of the beam groups is an aluminum alloy member, and the rest beam groups are steel structural members. That is to say, in a plurality of crossbeam groups, according to the operating mode requirements such as atress condition and crossbeam group's function, set up at least one set of crossbeam group as the aluminum alloy component, the rest crossbeam group still does not have the steel structure to under the prerequisite of guaranteeing rigidity and intensity, reduce the dead weight of frame.
In the actual use process, the frame adopts a structure that the left longitudinal beam 1 and the right longitudinal beam 1 are arranged in parallel, wherein the longitudinal beams 1 adopt high-strength steel plates, part of the cross beam groups adopt high-strength aluminum alloy, the cross beam groups of the aluminum alloy components are connected with the longitudinal beams 1 in a screwing mode, and other cross beam groups can be connected with the longitudinal beams 1 in a screwing or welding mode. Wherein, because the car nose crossbeam 2 is located terminal surface before the frame for the pivot before the installation driver's cabin, preceding bumper and preceding tow hook etc. and strengthen the frame, have higher intensity requirement, consequently, car nose crossbeam 2 is the steel construction spare, and adopts spiro union and welded dual fixed knot structure with longeron 1, in order to guarantee to connect the reliability.
In addition, in order to ensure the strength, as shown in fig. 2, the longitudinal beam 1 of the frame adopts a box-shaped and C-shaped composite structure, and the structural strength is better by welding and forming two types of C-shaped beams with different height dimensions in a butt joint mode to obtain the longitudinal beam 1.
Specifically, the beam set may include various forms according to the use position and the use function. For example, the cross member group may include a suspension cross member 3, as shown in fig. 3, the suspension cross member 3 is an aluminum alloy member, and the suspension cross member 3 is detachably mounted to the two longitudinal members 1 through mounting end surfaces 31 at both ends thereof. In order to achieve further weight reduction, the suspension cross beam 3 is also provided with at least one weight reduction hole 32 or weight reduction groove.
That is to say, the suspension cross beam 3 adopts an aluminum alloy structure or a steel structure according to the structural requirements, and has the functions of mainly bearing the tensile force, the pressure and the torque of the left and right longitudinal beams 1, properly lightening the holes 32 on the premise of ensuring sufficient strength, and further reducing the dead weight.
The beam group can also comprise a plurality of suspension lower beams 4, and the suspension lower beams are arranged at intervals along the extending direction of the longitudinal beam 1. Specifically, as shown in fig. 4, the cantilever lower beam includes a beam body 41 and a suspension lower swing arm support 42; the number of the beam bodies 41 is two, the two beam bodies 41 are arranged in parallel on the longitudinal beam 1, and the swing arm supports under the cantilever are arranged at two ends of the beam bodies 41 and fixedly connected with the longitudinal beam 1. The beam body 41 is a steel structural member or an aluminum alloy splicing structure, and the suspension lower swing arm support 42 is an aluminum alloy member or a steel structural forging member.
That is to say, the suspension lower beam 4 that each axle corresponds all adopts the structure of two the same crossbeam parallel mount, as shown in fig. 4, the lower beam both ends are installed at the frame inboard with suspension lower swing arm support 42 series connection, all adopt bolted connection, and wherein the crossbeam is steel construction or aluminum alloy tailor-welded structure, and suspension lower swing arm support 42 is high strength aluminum alloy or steel construction forging.
Further, the beam set further comprises a multifunctional beam 5, as shown in fig. 5, the multifunctional beam 5 is an aluminum alloy tailor-welded structure. The multifunctional cross beam 5 adopts a steel plate or aluminum alloy tailor-welded structure as required, and compared with the upper cross beam of other bridge suspensions, the upper plane of the cross beam needs to bear the loading load vertical to the cross beam, and the cross beam has stronger bending moment bearing capacity.
As shown in fig. 6, the cross member group includes a vertical cross member 6, the vertical cross member 6 includes a vertical cross member body 61, and an upper oil cylinder base 62 and a suspension arm mounting base 63 which are mounted on the vertical cross member body 61, and both the upper oil cylinder base 62 and the suspension arm mounting base 63 are aluminum alloy members. The vertical cross beam 6 adopts a steel plate tailor-welded structure, the stress requirements of the suspension upper cross beam and the suspension lower cross beam upper oil cylinder seat 62 are integrated, and the suspension arm support seat adopts an aluminum alloy or steel structure as required and is in threaded connection with the cross beam body 41.
In the above embodiment, the vehicle frame provided by the invention adopts a steel-aluminum hybrid vehicle frame structure, the suspension cross beam adopts a high-strength aluminum alloy structure or a steel structure as required, the suspension lower cross beam adopts a steel structure cross beam and high-strength aluminum alloy support butt joint installation structure, the aluminum alloy support and the suspension arm support are integrated, the multifunctional cross beam is formed by welding the steel structure or the aluminum structure as required (stress analysis and weight index), the vertical cross beam adopts a steel structure welding structure, the aluminum structure component is used and optimally designed in cooperation with the structure, various lightening holes are designed at the part with small stress of the steel structure and the aluminum structure, the light weight level of the vehicle frame is improved, and meanwhile, the vehicle frame assembly is ensured to have sufficient strength and rigidity. Therefore, the high-strength and low-density aluminum alloy component is matched with the steel structural component to form a steel-aluminum hybrid frame structure, so that the self weight of the frame is reduced, and the dynamic performance of the chassis is improved; the technical problems that in the prior art, the dead weight of an all-steel integral frame is large, and the lightweight design of the whole vehicle is hindered are solved.
In addition to the frame, the invention further provides a heavy new energy vehicle including the frame, and the structures of other parts of the heavy new energy vehicle refer to the prior art and are not described herein again.
In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A frame for a heavy new energy vehicle, the frame comprising:
the device comprises two longitudinal beams (1), wherein the two longitudinal beams (1) are arranged in parallel at intervals, and the longitudinal beams (1) are of steel plate structures;
the frame comprises a frame head cross beam (2), wherein the frame head cross beam (2) is a steel structural part, and the frame head cross beam (2) is arranged between the two longitudinal beams (1) and is positioned at the end part of the frame;
the number of the beam groups is multiple, each beam group is arranged between the two longitudinal beams (1), at least one of the beam groups is an aluminum alloy component, and the rest beam groups are steel structural components.
2. The vehicle frame of claim 1, wherein the set of cross-members comprises:
the suspension cross beam (3) is an aluminum alloy component, and the suspension cross beam (3) is detachably mounted on the two longitudinal beams (1) through mounting end faces (31) at two ends of the suspension cross beam.
3. Frame according to claim 2, characterized in that said suspension cross member (3) is also provided with at least one lightening hole (32).
4. The vehicle frame of claim 1, wherein the set of cross-members comprises:
the suspension lower cross beams (4) are multiple, and the cantilever lower cross beams are arranged at intervals along the extending direction of the longitudinal beam (1).
5. The vehicle frame of claim 4, wherein the cantilevered lower cross member comprises:
the number of the cross beam bodies (41) is two, and the two cross beam bodies (41) are arranged on the longitudinal beam (1) in parallel;
and the suspension lower swing arm supports (42) are mounted at two ends of the cross beam body (41) and are fixedly connected with the longitudinal beam (1).
6. The frame according to claim 5, wherein the cross beam body (41) is a steel structural member or an aluminum alloy splice structure; and/or the suspension lower swing arm support (42) is an aluminum alloy member or a steel structure forging piece.
7. The vehicle frame of claim 1, wherein the set of cross-members comprises:
the multifunctional cross beam (5) is of an aluminum alloy tailor-welding structure.
8. The vehicle frame of claim 8, wherein the set of cross-members comprises:
the vertical cross beam (6) comprises a vertical cross beam body (61), and an upper oil cylinder seat (62) and a suspension arm mounting seat (63) which are mounted on the vertical cross beam body (61).
9. The vehicle frame of claim 8, wherein the upper-mount cylinder block (62) and the suspension arm mount (63) are each aluminum alloy members.
10. A heavy new energy vehicle comprising a frame according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011460576.8A CN112498484A (en) | 2020-12-11 | 2020-12-11 | Heavy new energy vehicle and frame thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011460576.8A CN112498484A (en) | 2020-12-11 | 2020-12-11 | Heavy new energy vehicle and frame thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112498484A true CN112498484A (en) | 2021-03-16 |
Family
ID=74972397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011460576.8A Pending CN112498484A (en) | 2020-12-11 | 2020-12-11 | Heavy new energy vehicle and frame thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112498484A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113428231A (en) * | 2021-08-09 | 2021-09-24 | 小氢汽车(上海)有限公司 | Vehicle longitudinal beam structure, vehicle chassis structure and vehicle |
| CN113428228A (en) * | 2021-08-09 | 2021-09-24 | 小氢汽车(上海)有限公司 | Vehicle chassis layout structure and vehicle |
| CN113428227A (en) * | 2021-08-09 | 2021-09-24 | 小氢汽车(上海)有限公司 | Vehicle chassis structure and vehicle |
| CN114633803A (en) * | 2022-04-21 | 2022-06-17 | 东风商用车有限公司 | Integrally cast balance suspension beam based on material topology and manufacturing method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04232183A (en) * | 1990-12-28 | 1992-08-20 | Mazda Motor Corp | Suspension cross-member of vehicle |
| CN107600185A (en) * | 2017-09-29 | 2018-01-19 | 辽宁忠旺集团有限公司 | A kind of aluminium alloy semi-trailer frame |
| CN110466609A (en) * | 2019-08-15 | 2019-11-19 | 北京汽车集团越野车有限公司 | A kind of frame assembly and Non-carrying type automobile |
| CN111591346A (en) * | 2020-05-07 | 2020-08-28 | 南京航空航天大学 | Commercial truck steel-aluminum mixed structure frame |
| CN214565642U (en) * | 2020-12-11 | 2021-11-02 | 湖北航天技术研究院特种车辆技术中心 | Heavy new energy vehicle and frame thereof |
-
2020
- 2020-12-11 CN CN202011460576.8A patent/CN112498484A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04232183A (en) * | 1990-12-28 | 1992-08-20 | Mazda Motor Corp | Suspension cross-member of vehicle |
| CN107600185A (en) * | 2017-09-29 | 2018-01-19 | 辽宁忠旺集团有限公司 | A kind of aluminium alloy semi-trailer frame |
| CN110466609A (en) * | 2019-08-15 | 2019-11-19 | 北京汽车集团越野车有限公司 | A kind of frame assembly and Non-carrying type automobile |
| CN111591346A (en) * | 2020-05-07 | 2020-08-28 | 南京航空航天大学 | Commercial truck steel-aluminum mixed structure frame |
| CN214565642U (en) * | 2020-12-11 | 2021-11-02 | 湖北航天技术研究院特种车辆技术中心 | Heavy new energy vehicle and frame thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113428231A (en) * | 2021-08-09 | 2021-09-24 | 小氢汽车(上海)有限公司 | Vehicle longitudinal beam structure, vehicle chassis structure and vehicle |
| CN113428228A (en) * | 2021-08-09 | 2021-09-24 | 小氢汽车(上海)有限公司 | Vehicle chassis layout structure and vehicle |
| CN113428227A (en) * | 2021-08-09 | 2021-09-24 | 小氢汽车(上海)有限公司 | Vehicle chassis structure and vehicle |
| CN113428228B (en) * | 2021-08-09 | 2022-10-11 | 小氢汽车(上海)有限公司 | Vehicle chassis layout structure and vehicle |
| CN114633803A (en) * | 2022-04-21 | 2022-06-17 | 东风商用车有限公司 | Integrally cast balance suspension beam based on material topology and manufacturing method thereof |
| CN114633803B (en) * | 2022-04-21 | 2022-12-23 | 东风商用车有限公司 | Integrally cast balance suspension beam based on material topology and manufacturing method thereof |
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