CN113147900B - Vehicle frame, preparation method and vehicle with same - Google Patents
Vehicle frame, preparation method and vehicle with same Download PDFInfo
- Publication number
- CN113147900B CN113147900B CN202110618521.3A CN202110618521A CN113147900B CN 113147900 B CN113147900 B CN 113147900B CN 202110618521 A CN202110618521 A CN 202110618521A CN 113147900 B CN113147900 B CN 113147900B
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- Prior art keywords
- rod
- longitudinal rod
- longitudinal
- main body
- transverse
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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
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/04—Casting in, on, or around objects which form part of the product for joining parts
Abstract
The invention discloses a vehicle frame, a preparation method and a vehicle with the same, wherein the vehicle frame comprises: the main body structure comprises a first transverse rod, a second transverse rod, a first longitudinal rod and a second longitudinal rod, wherein two ends of the first transverse rod are respectively connected with the upper ends of the first longitudinal rod and the second longitudinal rod, and two ends of the second transverse rod are respectively connected with the lower ends of the first longitudinal rod and the second longitudinal rod; the first cross rod, the second cross rod, the first longitudinal rod and the second longitudinal rod respectively comprise steel wires, the outer side of the main body structure is coated with alloy, and the main body structure is integrally formed. The steel wire and the alloy coated outside the main body structure solve and overcome the problems of insufficient strength, poor fatigue resistance and the like of a single material, not only meet the strength requirement of the main body structure, but also solve the requirement of light weight of a vehicle. In addition, the integral design also avoids the problem of reduced bearing capacity caused by the welded joint.
Description
Technical Field
The invention belongs to the technical field of vehicles, and particularly relates to a vehicle frame, a manufacturing method and a vehicle with the vehicle frame.
Background
The chassis frames of the existing off-road vehicles are mostly made of steel frames, and the steel frames are manufactured by stamping and welding, so that the problems of heavy weight, low fatigue performance, poor corrosion resistance and the like exist. Aiming at the problems, some manufacturers design all-aluminum frames, and the frame main body is still formed by welding in a sectional mode, so that the light weight effect is obvious, but the problems of poor mechanical property, serious welding defect, poor integral fatigue resistance of the frame and the like are faced, and the large-scale application is difficult at present.
Disclosure of Invention
Aiming at the problems that in the prior art, a steel frame is heavy and the welding strength of a bracket is insufficient; the invention provides a frame, a preparation method and a vehicle with the frame, and solves the problems of insufficient strength and insufficient fatigue resistance of an all-aluminum frame.
In order to solve the technical problems, the invention adopts the following technical scheme:
in a first aspect, an embodiment of the present invention provides a vehicle frame, including:
the main body structure comprises a first transverse rod, a second transverse rod, a first longitudinal rod and a second longitudinal rod, wherein the first longitudinal rod and the second longitudinal rod are arranged in parallel at intervals, the first transverse rod and the second transverse rod are arranged in parallel at intervals, two ends of the first transverse rod are respectively connected with the upper ends of the first longitudinal rod and the second longitudinal rod, and two ends of the second transverse rod are respectively connected with the lower ends of the first longitudinal rod and the second longitudinal rod;
the first cross rod, the second cross rod, the first longitudinal rod and the second longitudinal rod respectively comprise steel wires, the outer side of the main body structure is coated with alloy, and the main body structure is integrally formed.
Furthermore, the first transverse rod, the second transverse rod, the first longitudinal rod and the second longitudinal rod are all composed of a plurality of steel wires, the strength of each steel wire is 800-1000 MPa, and the diameter of each steel wire is 5-10 mm.
Further, the adjacent steel wires are connected through a connecting bracket.
Further, the alloy on the outer side of the main body structure is aluminum-copper alloy, and the thickness of the alloy is 7-20 mm; the sections of the first cross rod, the second cross rod, the first longitudinal rod and the second longitudinal rod which are coated with the alloy are U-shaped.
Further, the main body structure further comprises: and the connecting rods are arranged in parallel at intervals along the length direction of the first longitudinal rod and the second longitudinal rod, and two ends of each connecting rod are respectively connected with the first longitudinal rod and the second longitudinal rod.
Further, the connecting rod includes: the steel pipe comprises a round steel pipe and a square steel pipe, wherein the diameter of the round steel pipe is 45mm, and the wall thickness of the round steel pipe is 3mm; the wall thickness of the square tube steel is 3mm.
Further, the round steel pipe and the square steel pipe are arranged in parallel at intervals along the length direction of the first longitudinal rod.
In a second aspect, an embodiment of the present invention provides a method for manufacturing the vehicle frame, where the method includes:
the first transverse rod, the second transverse rod, the first longitudinal rod and the second longitudinal rod are made of steel wires, and the first transverse rod, the second transverse rod, the first longitudinal rod and the second longitudinal rod are connected to form a main body structure;
and placing the main body structure in a mould, and casting by adopting aluminum-copper alloy to obtain the frame.
Further, when the frame is applied to the frame, two ends of the connecting rod are respectively inserted between the steel wires in the first vertical rod and the second vertical rod to form a main body structure with the connecting rod, and the connecting rod is arranged in parallel at intervals along the length direction of the first vertical rod and the second vertical rod;
and then placing the main structure with the connecting rod in a mould, and casting by adopting aluminum-copper alloy to obtain the frame.
In a third aspect, embodiments of the present invention provide a vehicle, which includes the vehicle frame described above.
The technical scheme of the invention at least has one of the following beneficial effects:
according to an embodiment of the invention, a vehicle frame comprises: the main body structure comprises a first transverse rod, a second transverse rod, a first longitudinal rod and a second longitudinal rod, wherein the first longitudinal rod and the second longitudinal rod are arranged in parallel at intervals, the first transverse rod and the second transverse rod are arranged in parallel at intervals, two ends of the first transverse rod are respectively connected with the upper ends of the first longitudinal rod and the second longitudinal rod, and two ends of the second transverse rod are respectively connected with the lower ends of the first longitudinal rod and the second longitudinal rod; the first transverse rod, the second transverse rod, the first longitudinal rod and the second longitudinal rod respectively comprise steel wires, the outer side of the main body structure is coated with alloy, and the main body structure is integrally formed. According to the invention, the problems of insufficient strength and poor fatigue resistance of a single material and the like are solved and overcome by the steel wires in the first transverse rod, the second transverse rod, the first longitudinal rod and the second longitudinal rod and the alloy coated on the outer side of the main structure, so that the strength requirement of the main structure is met, and the requirement of vehicle light weight is also met. The vehicle servicing quality is effectively reduced through the frame, and the oil consumption can be reduced. In addition, the integral design also avoids the problem of reduced bearing capacity caused by welding joints.
Drawings
FIG. 1 is a schematic view of a frame construction;
FIG. 2 is a front view of the frame;
FIG. 3 is a top view of the frame;
FIG. 4 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 2;
FIG. 5 is a partial enlarged view of B in FIG. 4;
FIG. 6a is a schematic view of a construction of the connecting bracket;
FIG. 6b is a schematic view of a construction of the linking bracket;
FIG. 6c is a schematic view of a construction of the linking bracket;
FIG. 6d is a schematic view of a construction of the linking bracket;
FIG. 7 is a schematic view of a manufacturing process of the vehicle frame.
Reference numerals
A first cross bar 11;
a second crossbar 12;
a first side rail 21;
a second longitudinal bar 22;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 7 in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The following first describes a vehicle frame according to an embodiment of the present invention in detail with reference to the accompanying drawings.
In a first aspect, as shown in fig. 1, an embodiment of the present invention provides a vehicle frame, where the vehicle frame includes: the main body structure comprises a first transverse rod 11, a second transverse rod 12, a first longitudinal rod 21 and a second longitudinal rod 22, wherein the first longitudinal rod 21 and the second longitudinal rod 22 are arranged in parallel at intervals, the first transverse rod 11 and the second transverse rod 12 are arranged in parallel at intervals, two ends of the first transverse rod 11 are respectively connected with the upper ends of the first longitudinal rod 21 and the second longitudinal rod 22, and two ends of the second transverse rod 12 are respectively connected with the lower ends of the first longitudinal rod 21 and the second longitudinal rod 22; the first cross rod 11, the second cross rod 12, the first longitudinal rod 21 and the second longitudinal rod 22 respectively comprise steel wires, the outer side of the main structure is coated with alloy, and the main structure is integrally formed.
Specifically, the invention provides a vehicle frame, which is characterized in that a main structure is formed by connecting a first cross rod 11, a second cross rod 12, a first longitudinal rod 21 and a second longitudinal rod 22, wherein the first cross rod 11, the second cross rod 12, the first longitudinal rod 21 and the second longitudinal rod 22 respectively comprise steel wires, the outer side of the main structure is coated with an alloy, and the main structure is integrally formed through coating of the alloy. In the invention, the steel wires in the first transverse rod 11, the second transverse rod 12, the first longitudinal rod 21 and the second longitudinal rod 22 and the alloy coated on the outer side of the main structure solve and overcome the problems of insufficient strength, poor fatigue resistance and the like of a single material, thereby not only meeting the strength requirement of the main structure, but also solving the requirement of light weight of a vehicle. The vehicle servicing quality is effectively reduced through the frame, and the oil consumption can be reduced. In addition, the integral design also avoids the problem of reduced bearing capacity caused by welding joints.
According to some embodiments of the present invention, the first transverse bar 11, the second transverse bar 12, the first longitudinal bar 21 and the second longitudinal bar 22 are all made of a plurality of steel wires, the steel wires have a strength of 800 to 1000MPa and a diameter of 5 to 10mm. In the present invention, a plurality of steel wires are used to form the first cross bar 11, the second cross bar 12, the first vertical bar 21 and the second vertical bar 22 according to the size. In order to ensure the strength of the frame, the steel wire adopts high-strength steel bars, the strength of the steel wire is 800-1000 MPa, and the diameter of the steel wire is 5-10 mm.
According to some embodiments of the invention, adjacent steel wires are connected by a connecting bracket. According to the invention, a plurality of steel wires are processed into the first cross rod 11, the second cross rod 12, the first vertical rod 21 and the second vertical rod 22 according to the size, the fixing relation between the steel wires is realized through a connecting support, the connecting support comprises a two-way connecting support and a three-way connecting support, the structural schematic diagram of the connecting support is shown in figure 2, and the type of the connecting support is determined according to the number of the steel wires required to be connected.
According to some embodiments of the invention, the alloy of the outer side of the main body structure is an aluminum copper alloy, and the thickness of the alloy is 7-20 mm; the cross sections of the first cross bar 11, the second cross bar 12, the first longitudinal bar 21 and the second longitudinal bar 22 coated with the alloy are all U-shaped. FIG. 2 isbase:Sub>A front view of the frame, and FIG. 4 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 2; it can be seen from the sectional view that the steel wire is wrapped in the frame by the aluminum-copper alloy, so that the tensile property of the frame is improved, and the defect that the tensile strength of the aluminum alloy is weaker is overcome. Meanwhile, the aluminum-copper alloy improves the integral rigidity of the frame through larger section size and self strength. The specific steel wire diameter and the casting thickness of the aluminum-copper alloy can be adjusted according to the bearing requirements.
According to some embodiments of the invention, the body structure further comprises: a plurality of connecting rods 3, it is a plurality of connecting rods 3 follow first vertical pole 21 with the parallel interval of length direction of second vertical pole 22 sets up, just connecting rods 3's both ends respectively with first vertical pole 21 with second vertical pole 22 links to each other. In the present invention, the connecting rods 3 are located between the first cross bar 11 and the second cross bar 12, and are arranged in parallel at intervals. The connecting rod 3 is added in the main body structure, so that the function of improving the integral rigidity and strength of the frame can be realized in a mechanical angle. The specific number of connecting rods 3 can be determined according to the actual requirements.
According to some embodiments of the invention, said connecting rod 3 comprises: the steel pipe comprises a round steel pipe and a square steel pipe, wherein the diameter of the round steel pipe is 45mm, and the wall thickness of the round steel pipe is 3mm; the wall thickness of the square tube steel is 3mm. In the invention, the connecting rod 3 comprises a plurality of round steel tubes and a plurality of square steel tubes, the round steel tubes and the square steel tubes can play a role in improving the overall rigidity and strength of the frame, and meanwhile, the square steel tubes can play a role in providing a plane and positioning. Specifically, for effectively improving the holistic rigidity of frame and intensity, the circular steel tube with 510L materials can all be chooseed for use to the square steel pipe, the circular steel tube with the wall thickness of square steel pipe all can set up to 3mm, the diameter of circular steel tube is 45mm, the specification of square steel pipe can be for 30X 50mm.
According to some embodiments of the present invention, the round steel tubes and the square steel tubes are arranged in parallel and spaced apart along the length of the first side rail 21.
In a second aspect, an embodiment of the present invention provides a method for manufacturing the vehicle frame, where the method includes:
the first transverse rod 11, the second transverse rod 12, the first longitudinal rod 21 and the second longitudinal rod 22 are made of steel wires, and the first transverse rod 11, the second transverse rod 12, the first longitudinal rod 21 and the second longitudinal rod 22 are connected to form a main body structure; and placing the main body structure in a mould, and casting by adopting aluminum-copper alloy to obtain the frame.
According to some embodiments of the present invention, applied to the vehicle frame, the main structure with the connecting rod 3 is formed by inserting two ends of the connecting rod 3 between the steel wires in the first longitudinal rod 21 and the second longitudinal rod 22, and the connecting rods 3 are arranged in parallel and at intervals along the length direction of the first longitudinal rod 21 and the second longitudinal rod 22; and then placing the main structure with the connecting rod 3 in a mould, and casting by adopting aluminum-copper alloy to obtain the frame.
Specifically, fig. 7 is a manufacturing process diagram of the frame of the present invention, and as shown in fig. 7, the present invention firstly uses high-strength steel wires to process the shapes of the first cross bar 11, the second cross bar 12, the first longitudinal bar 21 and the second longitudinal bar 22 according to the sizes, and the cross bars and the longitudinal bars are connected with each other through a connecting bracket, and are locked by an external force to achieve an interference fit. Thereafter, a plurality of tie bars 3 are inserted into the first and second vertical bars 21 and 22 in parallel at intervals, and since the first and second vertical bars 21 and 22 are composed of steel wires, the tie bars 3 are inserted into gaps between the steel wires. And finally, placing the manufactured framework into a steel mould, and casting by adopting aluminum-copper alloy to obtain the integrated frame.
According to the invention, the reinforcing steel bars are wrapped in the frame by the aluminum-copper alloy, so that the tensile property of the frame is improved, the defect of weak tensile strength of the aluminum alloy is overcome, the overall rigidity of the frame is improved by the aluminum-copper alloy through larger section size and self strength, and the diameter of the steel wire and the casting thickness of the aluminum-copper alloy can be adjusted according to the bearing requirement. If the support needs to be assembled, other support frameworks can be manufactured on the steel wire framework before casting, then casting is carried out, and a welding joint is omitted, so that the integrated frame is obtained. Compared with a steel frame, the frame is light and remarkable, welding beads are avoided, the number of parts is reduced, and the frame has obvious cost reduction and efficiency improvement effects while achieving light weight.
In a third aspect, embodiments of the present invention provide a vehicle, which includes the vehicle frame described above. Compared with the traditional vehicle with a steel frame, the vehicle frame has the advantages that the quality is reduced, the mechanical property is good, the welding defect is avoided, the light weight is achieved, and the obvious cost reduction and effect improvement effects are achieved.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. The frame is characterized in that a main body structure is obtained by casting alloy in a mould, and the outer side of the main body structure is coated with the alloy;
the main body structure comprises a first transverse rod, a second transverse rod, a first longitudinal rod and a second longitudinal rod, wherein the first longitudinal rod and the second longitudinal rod are arranged in parallel at intervals, the first transverse rod and the second transverse rod are arranged in parallel at intervals, two ends of the first transverse rod are respectively connected with the upper ends of the first longitudinal rod and the second longitudinal rod, and two ends of the second transverse rod are respectively connected with the lower ends of the first longitudinal rod and the second longitudinal rod;
the first cross rod, the second cross rod, the first longitudinal rod and the second longitudinal rod respectively comprise steel wires;
the first transverse rod, the second transverse rod, the first longitudinal rod and the second longitudinal rod are made of steel wires, and the first transverse rod, the second transverse rod, the first longitudinal rod and the second longitudinal rod are connected to form a main body structure;
the adjacent steel wires are connected through a connecting bracket;
the connecting bracket connects the transverse rod and the longitudinal rod with each other, and the interference fit is achieved through external force confinement;
a plurality of connecting rods, it is a plurality of the connecting rod is followed first vertical pole with the parallel interval in length direction of second vertical pole sets up, just the both ends of connecting rod respectively with first vertical pole with the second vertical pole links to each other, and the connecting rod inserts in the gap between steel wire and the steel wire.
2. The vehicle frame according to claim 1, characterized in that the first cross rod, the second cross rod, the first longitudinal rod and the second longitudinal rod are all composed of a plurality of steel wires, the strength of the steel wires is 800-1000MPa, and the diameter of the steel wires is 5-10mm.
3. The frame according to claim 1, wherein the alloy outside the main body structure is an aluminum-copper alloy, and the thickness of the alloy is 7-20mm;
the sections of the first cross rod, the second cross rod, the first longitudinal rod and the second longitudinal rod which are coated with the alloy are U-shaped.
4. The vehicle frame of claim 1, wherein said connecting rod comprises:
the steel pipe comprises a round steel pipe and a square steel pipe, wherein the diameter of the round steel pipe is 45mm, and the wall thickness of the round steel pipe is 3mm; the wall thickness of the square steel pipe is 3mm.
5. The vehicle frame of claim 4, wherein the round steel tubes and the square steel tubes are arranged in parallel at intervals along the length direction of the first longitudinal rod.
6. The method for manufacturing the vehicle frame according to any one of claims 1 to 5, wherein the method for manufacturing the vehicle frame comprises the following steps:
the first transverse rod, the second transverse rod, the first longitudinal rod and the second longitudinal rod are made of steel wires, and the first transverse rod, the second transverse rod, the first longitudinal rod and the second longitudinal rod are connected to form a main body structure;
and placing the main body structure in a mould, and casting by adopting aluminum-copper alloy to obtain the frame.
7. The manufacturing method according to claim 6, wherein the main body structure with the connecting rods is formed by inserting two ends of the connecting rods between the steel wires in the first longitudinal rod and the second longitudinal rod respectively, and the connecting rods are arranged in parallel at intervals along the length direction of the first longitudinal rod and the second longitudinal rod;
and then placing the main body structure with the connecting rod in a mould, and casting by adopting aluminum-copper alloy to obtain the frame.
8. A vehicle, characterized in that the vehicle comprises a frame according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110618521.3A CN113147900B (en) | 2021-06-03 | 2021-06-03 | Vehicle frame, preparation method and vehicle with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110618521.3A CN113147900B (en) | 2021-06-03 | 2021-06-03 | Vehicle frame, preparation method and vehicle with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113147900A CN113147900A (en) | 2021-07-23 |
| CN113147900B true CN113147900B (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110618521.3A Active CN113147900B (en) | 2021-06-03 | 2021-06-03 | Vehicle frame, preparation method and vehicle with same |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100854539B1 (en) * | 2007-05-15 | 2008-08-26 | 서진산업 주식회사 | Chassis frame joint casting structure with different materials for vehicles and manufacturing method of the same |
| WO2011012190A2 (en) * | 2009-07-30 | 2011-02-03 | Daimler Ag | Composite structural part having at least two composite components, and method for the production thereof |
| CN109204496A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Body structure and vehicle |
| CN110198885A (en) * | 2017-01-24 | 2019-09-03 | 蒂森克虏伯钢铁欧洲股份公司 | Vehicle frame and application |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10359784A1 (en) * | 2003-12-19 | 2005-07-21 | Daimlerchrysler Ag | Body or body part for a vehicle |
| CN107585211A (en) * | 2017-10-16 | 2018-01-16 | 吉林大学 | A kind of car modular vehicle frame |
| CN112810696A (en) * | 2021-01-07 | 2021-05-18 | 东风柳州汽车有限公司 | Vehicle frame |
-
2021
- 2021-06-03 CN CN202110618521.3A patent/CN113147900B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100854539B1 (en) * | 2007-05-15 | 2008-08-26 | 서진산업 주식회사 | Chassis frame joint casting structure with different materials for vehicles and manufacturing method of the same |
| WO2011012190A2 (en) * | 2009-07-30 | 2011-02-03 | Daimler Ag | Composite structural part having at least two composite components, and method for the production thereof |
| CN110198885A (en) * | 2017-01-24 | 2019-09-03 | 蒂森克虏伯钢铁欧洲股份公司 | Vehicle frame and application |
| CN109204496A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Body structure and vehicle |
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| CN113147900A (en) | 2021-07-23 |
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