CN215398913U - Aluminum alloy frame of light commercial vehicle - Google Patents
Aluminum alloy frame of light commercial vehicle Download PDFInfo
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- CN215398913U CN215398913U CN202120494316.6U CN202120494316U CN215398913U CN 215398913 U CN215398913 U CN 215398913U CN 202120494316 U CN202120494316 U CN 202120494316U CN 215398913 U CN215398913 U CN 215398913U
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Abstract
The utility model relates to a light commercial vehicle aluminum alloy frame which comprises a left longitudinal beam and a right longitudinal beam, wherein the left longitudinal beam and the right longitudinal beam are fixed through a cross beam assembly, the left longitudinal beam and the right longitudinal beam are single-layer beams with C-shaped sections, the wing surface thickness and the ventral surface thickness of the left longitudinal beam and the right longitudinal beam are unequal, the cross beam assembly comprises a first cross beam, a second cross beam, a third cross beam, a fourth cross beam, a fifth cross beam, a sixth cross beam and a seventh cross beam, the first cross beam and the seventh cross beam are respectively positioned at two ends of the left longitudinal beam, the second cross beam and the third cross beam are arranged at a front support and a rear support of a front suspension, and the fifth cross beam and the sixth cross beam are arranged at the front support and the rear support of the rear suspension.
Description
Technical Field
The utility model belongs to the technical field of commercial vehicles, and particularly relates to an aluminum alloy frame of a light commercial vehicle.
Background
The requirement of national regulations on the utilization coefficient of the load quality of new energy commercial vehicles, particularly pure electric light commercial trucks, is improved year by year, the pure electric light commercial trucks are generally required to carry 80-100kWh power batteries, so that the self weight of the whole vehicle is large, the new regulations and the requirements of customers are difficult to meet, and all vehicle enterprises accelerate the light weight operation of the whole vehicle of the pure electric light commercial trucks. The frame is used as an important component system of the whole vehicle, and has great influence on the quality of the whole vehicle. From the perspective of new materials and novel frame structures, a frame lightweight scheme is sought.
The density of the aluminum alloy is about one third of that of steel, and the aluminum alloy is widely applied to the fields of aerospace, automobiles, high-speed rails, deep sea exploration and the like along with the improvement of the performance of the aluminum alloy material; the strength of the 7 series aluminum alloy material is higher than that of part of high-strength steel, for example, the yield limit of aluminum alloy 7050 can reach 560MPa, which is higher than that of 510L steel and 610L steel commonly used for truck frames. Therefore, in the design of light commercial vehicle frames, aluminum alloy has become one of the materials capable of solving the problem of light weight.
However, although the frame part of the existing automobile made of aluminum alloy adopts aluminum alloy to replace alloy steel, the weight of the whole automobile is greatly reduced, but the strength of the frame is still to be improved due to the structural problem.
SUMMERY OF THE UTILITY MODEL
The utility model has the advantage of realizing the light weight of the frame while ensuring the performance of the frame.
In order to solve the problems in the background art, the utility model is realized by the following technical scheme:
the aluminum alloy frame of the light commercial vehicle comprises a left longitudinal beam and a right longitudinal beam, wherein the left longitudinal beam and the right longitudinal beam are fixed through a cross beam assembly, the cross beam assembly comprises a plurality of cross beams, and the plurality of cross beams are respectively arranged at two ends of the left longitudinal beam, a front support and a rear support of a front suspension and a front support and a rear support of a rear suspension;
the left longitudinal beam and the right longitudinal beam are single-layer beams with C-shaped sections, and the thickness of the airfoil surface and the thickness of the ventral surface of the left longitudinal beam and the right longitudinal beam are different.
As a further explanation of the utility model: the beam assembly comprises a first beam, a second beam, a third beam, a fourth beam, a fifth beam, a sixth beam and a seventh beam, wherein the first beam and the seventh beam are respectively located at two ends of the left longitudinal beam, the second beam and the third beam are arranged at a front support and a rear support of the front suspension, and the fifth beam and the sixth beam are arranged at a front support and a rear support of the rear suspension.
As a further explanation of the utility model: the third cross beam, the fourth cross beam and the fifth cross beam are arranged at equal distance.
As a further explanation of the utility model: the beam assembly is fixed between the left longitudinal beam and the right longitudinal beam through rivets.
As a further explanation of the utility model: the ventral surface thickness of left side longeron and right longeron is 9mm, and the airfoil thickness is 8 mm.
As a further explanation of the utility model: and rectangular notches with chamfers are arranged at the front ends of the wing surfaces, above the left longitudinal beam and the right longitudinal beam.
As a further explanation of the utility model: the first cross beam is of an asymmetric I-beam structure.
As a further explanation of the utility model: the thickness of the airfoil surface of the first cross beam is equal to that of the ventral surface.
As a further explanation of the utility model: the second cross beam, the third cross beam, the fourth cross beam, the fifth cross beam, the sixth cross beam and the seventh cross beam are all of symmetrical I-beam structures.
As a further explanation of the utility model: the airfoil thickness and the ventral thickness of the second beam, the third beam, the fourth beam, the fifth beam, the sixth beam and the seventh beam are different.
Compared with the prior art, the utility model has the following beneficial technical effects:
the left longitudinal beam and the right longitudinal beam are single-layer beams with C-shaped sections, the ventral thicknesses of the left longitudinal beam and the right longitudinal beam are 9mm, the airfoil thicknesses are 8mm, the specific strength level and the specific rigidity level of the frame are improved, and the second cross beam, the third cross beam, the fourth cross beam, the fifth cross beam and the sixth cross beam are all of symmetrical I-beam structures so as to improve the torsion resistance of the frame.
Drawings
FIG. 1 is a schematic structural view of a frame assembly;
FIG. 2 is a schematic cross-sectional view of the left side rail;
FIG. 3 is a schematic cross-sectional view of a first beam;
FIG. 4 is a schematic structural view of a first beam and a first beam connection plate;
FIG. 5 is a cross-sectional view of a second beam;
FIG. 6 is a schematic structural view of the second beam and the symmetrical beam connecting plate.
101. A first cross member; 102. a second cross member; 103. a left stringer; 104. a right stringer; 105. a third cross member; 106. a fourth cross member; 107. a fifth cross member; 108. a sixth cross member; 109. and a seventh cross member.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a detailed description of the present invention will be given below with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-6, the aluminum alloy frame for the light commercial vehicle comprises a left longitudinal beam 103 and a right longitudinal beam 104, wherein the left longitudinal beam 103 and the right longitudinal beam 104 are fixed through a cross beam assembly, the left longitudinal beam 103 and the right longitudinal beam 104 are single-layer beams with C-shaped sections, and a variable thickness plate technology is applied to one-step extrusion forming. The thickness of the airfoil surface of the left longitudinal beam 103 and the thickness of the ventral surface of the right longitudinal beam 104 are different from each other, specifically, the thickness of the ventral surface of the left longitudinal beam 103 and the thickness of the ventral surface of the right longitudinal beam 104 are 9mm, and the thickness of the airfoil surface is 8mm, so that the specific rigidity level and the specific strength level of the frame are improved.
The beam assembly comprises a plurality of beams, the beams are respectively arranged at two ends of a left longitudinal beam 103, a front support and a rear support of a front suspension, a front support and a rear support of a rear suspension, concretely, the beams are seven beams, namely, the beam assembly comprises a first beam 101, a second beam 102, a third beam 105, a fourth beam 106, a fifth beam 107, a sixth beam 108 and a seventh beam 109, the first beam 101 and the seventh beam 109 are respectively arranged at two ends of the left longitudinal beam 103, the second beam 102 and the third beam 105 are arranged at the front support and the rear support of the front suspension, the fifth beam 107 and the sixth beam 108 are arranged at the front support and the rear support of the rear suspension, wherein the third beam 105, the fourth beam 106 and the fifth beam 107 are arranged at equal distances.
The front ends of the wing surfaces, above the left longitudinal beam 103 and the right longitudinal beam 104, are provided with rectangular notches with chamfers.
The cross beam assembly is fixed between the left longitudinal beam 103 and the right longitudinal beam 104 through a cross beam connecting plate and rivets, specifically, the first cross beam 101 is of an asymmetric I-beam structure, the thickness of an airfoil surface of the first cross beam 101 is equal to that of a ventral surface, and the thickness of the airfoil surface and the thickness of the ventral surface of the first cross beam 101 are both 8 mm. The first cross beam 101 is fixed between the left longitudinal beam 103 and the right longitudinal beam 104 through the matching of a first cross beam connecting plate and rivets, and the first cross beam connecting plate is of a C-shaped structure, so that the width of the upper wing surface of the first cross beam connecting plate is large, and the cab front overturning mechanism is easier to fix.
The second beam 102, the third beam 105, the fourth beam 106, the fifth beam 107, the sixth beam 108 and the seventh beam 109 all adopt a symmetrical I-beam structure, and the airfoil thickness and the ventral thickness of the second beam 102, the third beam 105, the fourth beam 106, the fifth beam 107, the sixth beam 108 and the seventh beam 109 are different, wherein the airfoil thickness of the second beam 102, the third beam 105, the fourth beam 106, the fifth beam 107, the sixth beam 108 and the seventh beam 109 is 6mm, the ventral thickness of the second beam 102, the third beam 105, the fourth beam 106, the fifth beam 107, the sixth beam 108 and the seventh beam 109 is 8mm, the second cross beam 102, the third cross beam 105, the fifth cross beam 107, the sixth cross beam 108 and the seventh cross beam 109 are fixed between the left longitudinal beam 103 and the right longitudinal beam 104 through asymmetric cross beam connecting plates and rivets, and the fourth cross beam 106 is fixed between the left longitudinal beam 103 and the right longitudinal beam 104 through symmetric cross beam connecting plates and rivets.
The working principle of the utility model is as follows: the left longitudinal beam 103 and the right longitudinal beam 104 are single-layer beams with C-shaped sections, the ventral surface thicknesses of the left longitudinal beam 103 and the right longitudinal beam 104 are 9mm, the airfoil surface thicknesses are 8mm, the specific strength level and the specific rigidity level of the frame are improved, and the second cross beam 102, the third cross beam 105, the fourth cross beam 106, the fifth cross beam 107 and the sixth cross beam 108 are all of symmetrical I-beam structures to improve the torsion resistance of the frame.
The embodiments given above are preferable examples for implementing the present invention, and the present invention is not limited to the above-described embodiments. Any non-essential addition and replacement made by the technical characteristics of the technical scheme of the utility model by a person skilled in the art belong to the protection scope of the utility model.
Claims (10)
1. The utility model provides a light-duty commercial car aluminum alloy frame which characterized in that: the left longitudinal beam and the right longitudinal beam are fixed through a cross beam assembly, the cross beam assembly comprises a plurality of cross beams, and the cross beams are respectively arranged at two ends of the left longitudinal beam, a front support and a rear support of a front suspension and a front support and a rear support of a rear suspension;
the left longitudinal beam and the right longitudinal beam are single-layer beams with C-shaped sections, and the thickness of the airfoil surface and the thickness of the ventral surface of the left longitudinal beam and the right longitudinal beam are different.
2. The aluminum alloy frame of the light commercial vehicle as recited in claim 1, wherein: the beam assembly comprises a first beam, a second beam, a third beam, a fourth beam, a fifth beam, a sixth beam and a seventh beam, wherein the first beam and the seventh beam are respectively located at two ends of the left longitudinal beam, the second beam and the third beam are arranged at a front support and a rear support of the front suspension, and the fifth beam and the sixth beam are arranged at a front support and a rear support of the rear suspension.
3. The aluminum alloy frame of the light commercial vehicle as claimed in claim 2, wherein: the third cross beam, the fourth cross beam and the fifth cross beam are arranged at equal distance.
4. The aluminum alloy frame of the light commercial vehicle as recited in claim 1, wherein: the beam assembly is fixed between the left longitudinal beam and the right longitudinal beam through rivets.
5. The aluminum alloy frame of the light commercial vehicle as recited in claim 1, wherein: the ventral surface thickness of left side longeron and right longeron is 9mm, and the airfoil thickness is 8 mm.
6. The aluminum alloy frame of the light commercial vehicle as recited in claim 1, wherein: and rectangular notches with chamfers are arranged at the front ends of the wing surfaces, above the left longitudinal beam and the right longitudinal beam.
7. The aluminum alloy frame of the light commercial vehicle as claimed in claim 2, wherein: the first cross beam is of an asymmetric I-beam structure.
8. The aluminum alloy frame of the light commercial vehicle as recited in claim 7, wherein: the thickness of the airfoil surface of the first cross beam is equal to that of the ventral surface.
9. The aluminum alloy frame of the light commercial vehicle as claimed in claim 2, wherein: the second cross beam, the third cross beam, the fourth cross beam, the fifth cross beam, the sixth cross beam and the seventh cross beam are all of symmetrical I-beam structures.
10. The aluminum alloy frame of the light commercial vehicle as recited in claim 9, wherein: the airfoil thickness and the ventral thickness of the second beam, the third beam, the fourth beam, the fifth beam, the sixth beam and the seventh beam are different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120494316.6U CN215398913U (en) | 2021-03-04 | 2021-03-04 | Aluminum alloy frame of light commercial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120494316.6U CN215398913U (en) | 2021-03-04 | 2021-03-04 | Aluminum alloy frame of light commercial vehicle |
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| CN215398913U true CN215398913U (en) | 2022-01-04 |
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| CN202120494316.6U Active CN215398913U (en) | 2021-03-04 | 2021-03-04 | Aluminum alloy frame of light commercial vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115027552A (en) * | 2021-03-04 | 2022-09-09 | 陕西汽车集团有限责任公司 | Aluminum alloy frame of light commercial vehicle |
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2021
- 2021-03-04 CN CN202120494316.6U patent/CN215398913U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115027552A (en) * | 2021-03-04 | 2022-09-09 | 陕西汽车集团有限责任公司 | Aluminum alloy frame of light commercial vehicle |
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