CN213323342U - Automobile longitudinal beam structure - Google Patents
Automobile longitudinal beam structure Download PDFInfo
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- CN213323342U CN213323342U CN202022330814.5U CN202022330814U CN213323342U CN 213323342 U CN213323342 U CN 213323342U CN 202022330814 U CN202022330814 U CN 202022330814U CN 213323342 U CN213323342 U CN 213323342U
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- longitudinal beam
- positioning hole
- reinforcing plate
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Abstract
The utility model discloses a light-weight automobile longitudinal beam structure applied to an automobile body, which is arranged on an automobile body framework and comprises a lightening groove, the lightening groove extends along the length direction of a longitudinal beam body, the longitudinal beam body forms a first action surface, a second action surface and a third action surface, a reinforcing plate comprises a first reinforcing surface, a second reinforcing surface and a third reinforcing surface, the first reinforcing surface is fixed with the first action surface, the second reinforcing surface is fixed with the second action surface, the third reinforcing surface is fixed with the third action surface, a longitudinal beam positioning hole is arranged on the first action surface, a reinforcing plate positioning hole is arranged on the first reinforcing surface, a circle of flanging is arranged at the edge of the reinforcing plate positioning hole, the utility model can lighten the weight of the longitudinal beam body after the lightening groove is arranged on the longitudinal beam body and meet the light-weight design requirement, a reinforcing plate is fixed in the weight reduction groove, so that the integral rigidity and strength of the longitudinal beam body meet the requirements of a skid system in positioning.
Description
Technical Field
The utility model relates to an automobile parts field specifically is to relate to an automobile longitudinal beam structure.
Background
The skid comprises a skid body and a support frame, if an independent power mechanism is arranged in the rolling machine, the work piece can be linearly conveyed from one device to another device, and the skid has the function of supporting various work pieces to run on each device. At present, the skid is widely applied as common equipment in an automatic automobile conveying system, and in the process of line production of coating, drying, electrophoresis, final assembly and the like of an automobile, a vehicle body is supported by a support frame on the skid, and the skid is driven by a power mechanism to finish conveying. Be provided with the locating pin on the support frame, the locating pin utilizes all kinds of pore pair automobile bodies of automobile body bottom fixed, automobile body displacement when preventing to utilize the skid transportation.
The part of the fixed automobile body of present skid has the support bracket on the longeron between two crossbeams to realize, but because the automobile body is heavier, support bracket is difficult to stable fixed automobile body, and automobile body skew position can appear in the operation often, leads to when the operation, and it is great to appear the size deviation, is difficult to bear the quality of automobile body to the automobile body rocks on the skid, also has very big loss to skid itself, thereby reduces skid life. Therefore, when the automobile is designed, the positioning hole for positioning the automobile and the skid has higher rigidity and strength requirements, the existing method usually directly designs the longitudinal beam on the chassis to be thicker so as to meet the design requirements, but the longitudinal beam in the form has heavier weight and higher cost, and does not meet the light-weight requirement, and the light weight of the automobile can bring better controllability, the power output by the engine can generate higher acceleration, the power performance of the automobile is improved, the fuel consumption is reduced, and the exhaust pollution is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a car longeron structure of lightweight, high strength.
In order to achieve the above purpose, the utility model adopts the technical scheme that: an automobile side rail structure comprising:
a stringer body having a length extension direction;
the longitudinal beam body is provided with a lightening groove, the lightening groove extends along the length direction of the longitudinal beam body, so that the longitudinal beam body forms a first action surface, a second action surface and a third action surface which are integrally formed, and the second action surface and the third action surface are respectively arranged on two sides of the first action surface;
the reinforcing plate is fixed in the weight reduction groove and comprises a first reinforcing surface, a second reinforcing surface and a third reinforcing surface which are integrally formed, the second reinforcing surface and the third reinforcing surface are respectively arranged on two sides of the first reinforcing surface, the first reinforcing surface is fixed with the first action surface, the second reinforcing surface is fixed with the second action surface, the third reinforcing surface is fixed with the third action surface, a first reinforcing support structure is formed between the second reinforcing surface and the second action surface, and a second reinforcing support structure is formed between the third reinforcing surface and the third action surface;
the first action surface is provided with a longitudinal beam positioning hole, the first reinforcing surface is provided with a reinforcing plate positioning hole corresponding to the longitudinal beam positioning hole in position, the reinforcing plate positioning hole is communicated with the longitudinal beam positioning hole to form a positioning hole of the automobile chassis, and the edge of the reinforcing plate positioning hole is provided with a turn of flanging.
Optionally, an outwardly arched surface which is integrally formed is arranged on the second acting surface, the second reinforcing surface is an outwardly arched arc surface, and the second reinforcing surface is attached to the arched surface.
Optionally, a first longitudinal beam transition arc surface is arranged at a junction of the second action surface and the first action surface, a second longitudinal beam transition arc surface is arranged at a junction of the third action surface and the first action surface, a first reinforcing plate transition arc surface is arranged at a junction of the second reinforcing surface and the first reinforcing surface, a second reinforcing plate transition arc surface is arranged at a junction of the third reinforcing surface and the first reinforcing surface, a first gap exists between the first reinforcing plate transition arc surface and the first longitudinal beam transition arc surface, the first gap is a first reinforcing support structure, a second gap exists between the second reinforcing plate transition arc surface and the second longitudinal beam transition arc surface, and the second gap is a second reinforcing support structure.
Optionally, the cross section of the first gap is triangular, and the cross section of the second gap is triangular.
Optionally, the third reinforcing surface is integrally formed with an inner concave surface, and the inner concave surface is recessed towards the second reinforcing surface.
Optionally, the number of the concave surfaces is multiple.
Optionally, the junction of the turned-over edge and the positioning hole of the reinforcing plate is in arc transition.
Compared with the prior art, the utility model beneficial effect who has is:
the weight of the longitudinal beam body can be reduced after the weight reducing groove is formed in the longitudinal beam body, the lightweight design requirement is met, a reinforcing plate is fixed (for example, welded) in the weight reducing groove, a second reinforcing surface and a third reinforcing surface on the reinforcing plate are respectively fixed with a second action surface and a third action surface on the longitudinal beam body, the second action surface and the third action surface of the longitudinal beam body are supported, connected and supported by the reinforcing plate, the longitudinal beam body after the weight reducing groove is formed is prevented from deforming, and the integral rigidity and strength of the longitudinal beam body meet the requirements of a skid system in positioning. Simultaneously, the reinforcing plate positioning hole with the flanging is designed on the reinforcing plate, so that the strength of the reinforcing plate positioning hole is higher in the positioning process, and deformation of the longitudinal beam positioning hole and the reinforcing plate positioning hole in the positioning guide process is avoided. The utility model discloses light in weight, it is with low costs.
Drawings
Fig. 1 is a schematic perspective view of a longitudinal beam structure of the present invention in one direction;
fig. 2 is a schematic perspective view of the present invention in another direction;
fig. 3 is a schematic view of a three-dimensional structure of the longitudinal beam body in one direction;
fig. 4 is a schematic perspective view of the third direction of the present invention;
fig. 5 is a top view of the present invention;
FIG. 6 is a schematic cross-sectional view taken along line A-A of FIG. 5;
fig. 7 is a schematic view of another directional three-dimensional structure of the longitudinal beam body in the present invention;
fig. 8 is a side view of a reinforcing plate in the present invention;
fig. 9 is a schematic view of a three-dimensional structure of the reinforcing plate of the present invention.
In the figure: 1-a stringer body; 11-a first active surface; 12-a second active surface; 13-a third active surface; 14-stringer locating holes; 15-arch surface; 16-a first stringer transition camber; 17-a second stringer transition camber; 2-a reinforcing plate; 21-a first reinforcing surface; 22-a second reinforcement surface; 23-a third reinforcing surface; 24-reinforcing plate positioning holes; 25-flanging; 26-first stiffener transition camber; 27-second stiffener transition camber; 28-an inner concave surface; 3-a first reinforcing support structure; 4-a second reinforcing support structure.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
The utility model discloses a longeron structural mounting is on automobile body skeleton.
Referring to fig. 1, 2, 3, 4 and 7, the longitudinal beam body 1 has a length extending direction.
The longitudinal beam body 1 is provided with lightening grooves which extend along the length direction of the longitudinal beam body 1, so that the longitudinal beam body 1 forms a first acting surface 11, a second acting surface 12 and a third acting surface 13 which are integrally formed, and the second acting surface 12 and the third acting surface 13 are respectively arranged at two sides of the first acting surface 11.
The reinforcing plate 2 is fixed in the lightening groove and comprises a first reinforcing surface 21, a second reinforcing surface 22 and a third reinforcing surface 23 which are integrally formed, the second reinforcing surface 22 and the third reinforcing surface 23 are respectively arranged on two sides of the first reinforcing surface 21, the first reinforcing surface 21 is fixed with the first action surface 11, the second reinforcing surface 22 is fixed with the second action surface 12, the third reinforcing surface 23 is fixed with the third action surface 13, a first reinforcing support structure 3 is formed between the second reinforcing surface 22 and the second action surface 12, and a second reinforcing support structure 4 is formed between the third reinforcing surface 23 and the third action surface 13.
The first action surface 11 is provided with a longitudinal beam positioning hole 14, the first reinforcing surface 21 is provided with a reinforcing plate positioning hole 24 corresponding to the longitudinal beam positioning hole 14 in position, the reinforcing plate positioning hole 24 is communicated with the longitudinal beam positioning hole 14 to form a positioning hole of an automobile chassis, and the positioning hole can be used as a positioning hole matched with a positioning pin on a support bracket of a skid system for supporting and positioning, can also be used as a main positioning hole of a white automobile body and is a building hole on the white automobile body. The edge of reinforcing plate locating hole 24 is equipped with round turn-ups 25, and turn-ups 25 and reinforcing plate locating hole 24's juncture are the circular arc transition, and turn-ups 25 passes longeron locating hole 14 and lies in subtracting the weight inslot, and through the setting of turn-ups 25, when carrying out the location cooperation to the locating hole of skid and locating pin, played the guide effect, after the location cooperation, can also protect longeron locating hole 14 and reinforcing plate locating hole 24, the life of extension locating hole.
The weight of the longitudinal beam body 1 can be reduced after the weight reduction groove is formed in the longitudinal beam body 1, the design requirement of light weight is met, the reinforcing plate 2 is welded in the weight reduction groove, the second reinforcing surface 22 and the third reinforcing surface 23 on the reinforcing plate 2 are respectively fixed with the second action surface 12 and the third action surface 13 on the longitudinal beam body 1, and the reinforcing plate 2 is used for supporting, connecting and supporting the second action surface 12 and the third action surface 13 of the longitudinal beam body 1, so that the integral rigidity and strength of the longitudinal beam body 1 meet the requirement of a skid system in positioning.
Referring to fig. 4, the second active surface 12 is provided with an outwardly arched surface 15, which is integrally formed, the second reinforcing surface 22 is configured as an outwardly arched surface, and the second reinforcing surface 22 is attached to the arched surface 15, so that the areas of one side of the reinforcing plate 2 and the longitudinal beam body 1 are increased, and the reinforcing plate 2 better supports, connects and supports the longitudinal beam body 1, because the arched surface 15 and the second reinforcing surface 22 are both arc-shaped surfaces.
Referring to fig. 6, after the reinforcing plate 2 and the longitudinal beam body 1 are welded, the first reinforcing support structure 3 is formed between the second reinforcing surface 22 and the second acting surface 12, and the second reinforcing support structure 4 is formed between the third reinforcing surface 23 and the third acting surface 13.
Specifically, referring to fig. 5, 6, 8 and 9, a first longitudinal beam transition arc surface 16 is disposed at a junction between the second action surface 12 and the first action surface 11, a second longitudinal beam transition arc surface 17 is disposed at a junction between the third action surface 13 and the first action surface 11, a first reinforcing plate transition arc surface 26 is disposed at a junction between the second reinforcing surface 22 and the first reinforcing surface 21, a second reinforcing plate transition arc surface 27 is disposed at a junction between the third reinforcing surface 23 and the first reinforcing surface 21, a first gap exists between the first reinforcing plate transition arc surface 26 and the first longitudinal beam transition arc surface 16, the first gap is the first reinforcing support structure 3, a second gap exists between the second reinforcing plate transition arc surface 27 and the second longitudinal beam transition arc surface 17, the second gap is the second reinforcing support structure 4, the cross section of the first gap is triangular along the width direction of the longitudinal beam body 1, the cross section of the second gap is triangular, the existence of the first reinforcing support structure 3 and the second reinforcing support structure 4 forms a stable support structure, so that the folding boundary of the longitudinal beam body 1 has enough strength, and the longitudinal beam body 1 and the reinforcing plate 2 can be protected in a buffering mode.
Referring to fig. 9, the third reinforcing surface 23 is integrally formed with a plurality of concave surfaces 28, in this embodiment, the concave surfaces 28 are recessed toward the second reinforcing surface 22, and the concave surfaces 28 can be used as reinforcing ribs of the third reinforcing surface 23, so that the third reinforcing surface 23 on one side of the reinforcing plate 2 has excellent extensibility and stability, is suitable for different workshop environments, and ensures that the third reinforcing surface 23 can be always attached to the third active surface 13 on one side of the longitudinal beam body 1.
After the weight reduction grooves are formed in the longitudinal beam body 1, the weight of the longitudinal beam body 1 can be reduced, and the light-weight design requirement is met. A reinforcing plate 2 is welded in the weight reduction groove, a second reinforcing surface 22 and a third reinforcing surface 23 on the reinforcing plate 2 are respectively fixed with a second action surface 12 and a third action surface 13 on the longitudinal beam body 1, the reinforcing plate 2 is used for supporting, connecting and supporting the second action surface 12 and the third action surface 13 of the longitudinal beam body 1, the longitudinal beam body 1 after the weight reduction groove is formed is prevented from deforming, and the integral rigidity and strength of the longitudinal beam body 1 meet the requirements of a skid system in positioning. Meanwhile, the reinforcing plate positioning hole 24 with the flange 25 is designed on the reinforcing plate 2, so that the strength of the reinforcing plate positioning hole 24 is higher in the positioning process, and deformation of the longitudinal beam positioning hole 14 and the reinforcing plate positioning hole 24 in the positioning guiding process is avoided.
Claims (7)
1. An automobile side rail structure comprising:
a stringer body (1) having a longitudinal extension direction;
the longitudinal beam body (1) is provided with a lightening groove, the lightening groove extends along the length direction of the longitudinal beam body (1), so that the longitudinal beam body (1) forms a first action surface (11), a second action surface (12) and a third action surface (13) which are integrally formed, and the second action surface (12) and the third action surface (13) are respectively arranged on two sides of the first action surface (11);
the reinforcing plate (2) is fixed in the weight-reducing groove and comprises a first reinforcing surface (21), a second reinforcing surface (22) and a third reinforcing surface (23) which are integrally formed, the second reinforcing surface (22) and the third reinforcing surface (23) are respectively arranged on two sides of the first reinforcing surface (21), the first reinforcing surface (21) is fixed with the first acting surface (11), the second reinforcing surface (22) is fixed with the second acting surface (12), the third reinforcing surface (23) is fixed with the third acting surface (13), a first reinforcing support structure (3) is formed between the second reinforcing surface (22) and the second acting surface (12), and a second reinforcing support structure (4) is formed between the third reinforcing surface (23) and the third acting surface (13);
the method is characterized in that: the automobile chassis reinforcing structure is characterized in that a longitudinal beam positioning hole (14) is formed in the first action surface (11), a reinforcing plate positioning hole (24) corresponding to the longitudinal beam positioning hole (14) in position is formed in the first reinforcing surface (21), the reinforcing plate positioning hole (24) is communicated with the longitudinal beam positioning hole (14) to form a positioning hole of an automobile chassis, and a circle of flanging (25) is arranged at the edge of the reinforcing plate positioning hole (24).
2. The automobile side member structure according to claim 1, wherein: be equipped with the outside hunch face (15) of arching of integrated into one piece on second active surface (12), second is strengthened face (22) and is set up to the cambered surface of outside arching, second strengthen face (22) with hunch face (15) laminating.
3. The vehicle side member structure according to claim 1 or 2, wherein: a first longitudinal beam transition arc surface (16) is arranged at the junction of the second acting surface (12) and the first acting surface (11), a second longitudinal beam transition arc surface (17) is arranged at the junction of the third acting surface (13) and the first acting surface (11), a first reinforcing plate transition arc surface (26) is arranged at the junction of the second reinforcing surface (22) and the first reinforcing surface (21), a second reinforcing plate transition cambered surface (27) is arranged at the junction of the third reinforcing surface (23) and the first reinforcing surface (21), a first gap exists between the first reinforcing plate transition arc surface (26) and the first longitudinal beam transition arc surface (16), the first gap is a first reinforcing support structure (3), a second gap exists between the second reinforcing plate transition arc surface (27) and the second longitudinal beam transition arc surface (17), and the second gap is a second reinforcing support structure (4).
4. The automobile side member structure according to claim 3, wherein: the cross section of the first gap is triangular, and the cross section of the second gap is triangular.
5. The automobile side member structure according to claim 1, wherein: an inner concave surface (28) is integrally formed on the third reinforcing surface (23), and the inner concave surface (28) is arranged in a concave mode towards the second reinforcing surface (22).
6. The automobile side member structure according to claim 5, wherein: the inner concave surface (28) is provided in plurality.
7. The automobile side member structure according to claim 1, wherein: the junction of the flanging (25) and the reinforcing plate positioning hole (24) is in arc transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022330814.5U CN213323342U (en) | 2020-10-19 | 2020-10-19 | Automobile longitudinal beam structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022330814.5U CN213323342U (en) | 2020-10-19 | 2020-10-19 | Automobile longitudinal beam structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213323342U true CN213323342U (en) | 2021-06-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022330814.5U Active CN213323342U (en) | 2020-10-19 | 2020-10-19 | Automobile longitudinal beam structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213323342U (en) |
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2020
- 2020-10-19 CN CN202022330814.5U patent/CN213323342U/en active Active
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