CN211765857U - Camber beam for vehicle and vehicle body framework - Google Patents
Camber beam for vehicle and vehicle body framework Download PDFInfo
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- CN211765857U CN211765857U CN202020130643.9U CN202020130643U CN211765857U CN 211765857 U CN211765857 U CN 211765857U CN 202020130643 U CN202020130643 U CN 202020130643U CN 211765857 U CN211765857 U CN 211765857U
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Abstract
The utility model relates to a camber beam for vehicle, automobile body skeleton. A curved beam for a vehicle body frame includes: the section bar main body is of an integrated structure, and at least one arc-shaped bending section is integrally bent and formed on the section bar main body; the section main body is a rectangular pipe and is made of steel; the bending radius of the arc bending section is more than or equal to 80 mm; the internal angle of the arc-shaped bending section is more than or equal to 90 degrees and less than 180 degrees. Section bar main part formula structure as an organic whole, the shaping is buckled to arc bending section an organic whole compares with the mode that adopts the tailor-welding among the prior art, has reduced work load such as tailor-welding, polishing, plug welding in traditional manufacture process, and the preparation efficiency of camber beam obtains promoting, practices thrift the cost, and fashioned camber beam is buckled to the an organic whole moreover, does not have the concatenation, does not have the welding seam, and pleasing to the eye degree promotes greatly.
Description
Technical Field
The utility model relates to a camber beam for vehicle, automobile body skeleton.
Background
At present, the spandrel girder playing a bearing role on the vehicle body is mostly straight sectional materials, and the omega-shaped girder is adopted to avoid when relating to modeling and structural arrangement, so that the girder with the shape has lower efficiency and higher cost when being manufactured. The main reason is that the omega-shaped beam is manufactured by a tailor welding method in the prior art, specifically, as shown in fig. 1, the omega-shaped beam is formed by tailor welding five profiles, namely a first profile 1, a second profile 2, a third profile 3, a fourth profile 4 and a fifth profile 5, wherein each profile is a straight profile, and corresponding end portions of the profiles are connected after being processed and then tailor welded together. After the tailor-welding is finished, any two adjacent section bars are arranged in a crossed mode to form a bending part. In order to strengthen the overall strength of the omega-shaped beam, a plate 6 is additionally arranged, and plug welding holes 7 are formed in the plate 6 and plug welded with the plates.
The whole manufacturing process of the omega-shaped beam comprises the steps of blanking, spot welding, correcting, tailor welding, polishing, plug welding, drilling and warehousing, and the series of processes cause the omega-shaped beam to be fussy in manufacturing process and low in efficiency.
In fact, in the manufacturing process of the vehicle body frame, not only the omega-shaped beam, but also the bent beam with the bent part are many, and the multi-process manufacturing process is adopted for processing, so that the overall processing efficiency of the vehicle is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a camber beam for a vehicle body framework, which solves the technical problems of complex manufacturing process and low manufacturing efficiency caused by the adoption of a tailor welding mode to form a bending part in the prior art; still provide a vehicle that uses this camber beam to camber beam adopts the mode formation kink of tailor-welded and leads to the whole machining efficiency of vehicle low technical problem among the prior art to solve.
In order to achieve the above object, the utility model discloses the technical scheme of camber beam for automobile body skeleton is: a bending beam for a vehicle body frame, comprising:
the section bar main body is of an integrated structure, and at least one arc-shaped bending section is integrally bent and formed on the section bar main body;
the section main body is a rectangular pipe and is made of steel;
the bending radius of the arc bending section is more than or equal to 80 mm;
the internal angle of the arc-shaped bending section is more than or equal to 90 degrees and less than 180 degrees.
The utility model has the advantages that: section bar main part formula structure as an organic whole, the shaping is buckled to arc bending section an organic whole compares with the mode that adopts the tailor-welding among the prior art, has reduced work load such as tailor-welding, polishing, plug welding in traditional manufacture process, and the preparation efficiency of camber beam obtains promoting, practices thrift the cost, and fashioned camber beam is buckled to the an organic whole moreover, does not have the concatenation, does not have the welding seam, and pleasing to the eye degree promotes greatly. The bending radius of the arc bending section is more than or equal to 80mm, the inner angle of the arc bending section is more than or equal to 90 degrees and less than 180 degrees, and the two parameters of the arc bending section ensure that although the arc bending section is processed by adopting an integrated bending and forming mode, the rigidity and the strength of the arc bending section can meet the use requirements, the use performance of the arc bending section and the bent beam cannot be reduced due to the integrated bending, and the reliability of the arc bending section and the bent beam is verified by the reliability test of the whole vehicle.
The profile body is made of 510L material and has a thickness of 3.0mm, or is made of Qste700Tm material and has a thickness of 2.5 mm. The two materials are common sections on the vehicle body framework, and the bending beam processed by the two materials meets the requirements of rigidity, strength and reliability through the verification of a whole vehicle reliability test.
Further, in the cross-sectional dimension of the rectangular tube, the length and the width are both more than or equal to 20mm and less than or equal to 50 mm.
Further, the number of the arc-shaped bending sections is at least two, and the bending distance between two adjacent arc-shaped bending sections is more than or equal to 115mm, wherein the bending distance refers to the extension length of the corresponding part of the opposite end parts of the two adjacent arc-shaped bending sections on the profile main body. Aiming at the condition that at least two arc bending sections exist, the bending distance between two adjacent arc bending sections is limited, and the rigidity and the strength of the two arc bending sections can not be influenced mutually.
Further, the section bar main body comprises at least two sections, the two adjacent sections are connected through the arc-shaped bent section, and the sections comprise straight sections extending in a straight line and/or arc-shaped sections extending in an arc shape.
The utility model discloses the technical scheme of vehicle is: the utility model provides a vehicle, includes the automobile body skeleton, and the automobile body skeleton includes camber beam, its characterized in that: the camber beam includes:
the section bar main body is of an integrated structure, and at least one arc-shaped bending section is integrally bent and formed on the section bar main body;
the section main body is a rectangular pipe and is made of steel;
the bending radius of the arc bending section is more than or equal to 80 mm;
the internal angle of the arc-shaped bending section is more than or equal to 90 degrees and less than 180 degrees.
The utility model has the advantages that: section bar main part formula structure as an organic whole, the shaping is buckled to arc bending section an organic whole compares with the mode that adopts the tailor-welding among the prior art, has reduced work load such as tailor-welding, polishing, plug welding in traditional manufacture process, and the preparation efficiency of camber beam obtains promoting, practices thrift the cost, and fashioned camber beam is buckled to the an organic whole moreover, does not have the concatenation, does not have the welding seam, and pleasing to the eye degree promotes greatly. The bending radius of the arc bending section is more than or equal to 80mm, the inner angle of the arc bending section is more than or equal to 90 degrees and less than 180 degrees, and the two parameters of the arc bending section ensure that although the arc bending section is processed by adopting an integrated bending and forming mode, the rigidity and the strength of the arc bending section can meet the use requirements, the use performance of the arc bending section and the bent beam cannot be reduced due to the integrated bending, and the reliability of the arc bending section and the bent beam is verified by the reliability test of the whole vehicle. Because the manufacturing efficiency of the camber beam is improved, the manufacturing efficiency of the whole vehicle is also improved.
The profile body is made of 510L material and has a thickness of 3.0mm, or is made of Qste700Tm material and has a thickness of 2.5 mm. The two materials are common sections on the vehicle body framework, and the bending beam processed by the two materials meets the requirements of rigidity, strength and reliability through the verification of a whole vehicle reliability test.
Further, in the cross-sectional dimension of the rectangular tube, the length and the width are both more than or equal to 20mm and less than or equal to 50 mm.
Further, the number of the arc-shaped bending sections is at least two, and the bending distance between two adjacent arc-shaped bending sections is more than or equal to 115mm, wherein the bending distance refers to the extension length of the corresponding part of the opposite end parts of the two adjacent arc-shaped bending sections on the profile main body. Aiming at the condition that at least two arc bending sections exist, the bending distance between two adjacent arc bending sections is limited, and the rigidity and the strength of the two arc bending sections can not be influenced mutually.
Further, the section bar main body comprises at least two sections, the two adjacent sections are connected through the arc-shaped bent section, and the sections comprise straight sections extending in a straight line and/or arc-shaped sections extending in an arc shape.
Drawings
FIG. 1 is a schematic view of a prior art omega beam;
fig. 2 is a schematic view of an embodiment 1 of the camber beam for the vehicle body frame of the present invention;
fig. 3 is a schematic view of an embodiment 4 of the camber beam for the vehicle body frame of the present invention;
fig. 4 is a schematic view of an embodiment 5 of the camber beam for the vehicle body frame of the present invention;
fig. 5 is a schematic view of an embodiment 6 of the bending beam for the vehicle body frame of the present invention;
FIG. 6 is a schematic view of a vehicle embodiment of the present invention;
description of reference numerals: 1-a first profile; 2-a second profile; 3-a third section bar; 4-a fourth profile; 5-a fifth section bar; 6-a plate material; 7-plug welding holes; 8-profile body; 9-a first segment; 10-a first arcuate bend section; 11-a second section; 12-a second arcuate curved section; 13-a third segment; 14-a third arcuate curved segment; 15-a fourth segment; 16-a fourth arcuate curved section; 17-a fifth section; 18-a first section; 19-a second section; 20-a third segment; 21-a first arcuate bend section; 22-a second arcuate curved section; 23-a first segment; 24-a second section; 25-a third segment; 26-a first arcuate curved segment; 27-a second arcuate curved section; 28-a first segment; 29-a second section; 30-a third segment; 31-a first arcuate curved section; 32-a second arcuate curved section; 33-front windshield upper beam; 34-cowl top rail; 35-bottom beam; a-the bend arc spacing.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the present invention are described in further detail below with reference to examples.
The utility model discloses a concrete embodiment 1 of camber beam for automobile body skeleton:
as shown in fig. 2, the bending beam for a vehicle body frame in the present embodiment is an "Ω" shaped bending beam, and the entire shape of the bending beam is the same as that of the bending beam in the background art. In fact, the "Ω" shaped camber beam in the present embodiment is a cowl top cross beam on the vehicle body frame. The material of the section bar in this embodiment is 510L material, and 510L is rolled steel, and is the rectangular pipe, and the wall thickness is 3.0mm, and wherein, the cross-section of section bar is the rectangle, and the length and the width of rectangle all are between 20mm-50mm, including 20mm and 50mm two extreme points.
The curved beam comprises a section main body 8, the section main body 8 is a straight section before the curved arc is formed, and the straight section is pushed, pulled and bent for many times by using a servo push-pull bending compound machine or a numerical control arc rolling machine to form the shape shown in figure 2. The section main body 8 comprises five straight sections, namely a first section 9, a second section 11, a third section 13, a fourth section 15 and a fifth section 17, wherein any two adjacent sections are arranged in a crossed manner and connected through arc-shaped bent sections. Specifically, the first segment 9 and the second segment 11 are connected through a first arc-shaped bent segment 10, the second segment 11 and the third segment 13 are connected through a second arc-shaped bent segment 12, the third segment 13 and the fourth segment 15 are connected through a third arc-shaped bent segment 14, and the fourth segment 15 and the fifth segment 17 are connected through a fourth arc-shaped bent segment 16. In this embodiment, a plurality of arcs are formed on the profile during the integral push-pull bending forming, and an arc-shaped bending section is formed at the position where each arc is located.
Because the straight section bar is processed into the shape shown in fig. 2 by adopting the integral push-pull bending forming mode, on one hand, the straight section bar can be processed into a set shape as the splicing welding mode in the prior art, and the requirement of the whole vehicle shape is met. On the other hand, the curved beam is manufactured in an integrated push-pull bending forming mode, the workload of tailor welding, polishing, plug welding and the like in the traditional manufacturing process is reduced, the manufacturing efficiency of parts is improved by 52%, the cost is saved by 42%, and the curved beam has obvious cost advantage compared with the traditional manufacturing mode. In addition, the bent beam manufactured by adopting the integrated push-pull bending forming mode has no splicing and welding line, the attractiveness is greatly improved, and the competitiveness of the product is improved.
In this embodiment, the included angles of the four curved sections are all 159 °, wherein the included angles of the curved sections refer to the included angles formed by the facing side surfaces of the two ends of the curved sections. The radius of the curved arc is 80mm, and the radius of the curved arc is the radius of the arc where the curved section of the arc is located. In this embodiment, the bending distance a between the second arc-shaped bending section 12 and the third arc-shaped bending section 14 is the smallest, and the bending distance a is 115 mm. Wherein, the definition of the bending arc interval is as follows: the curved arc interval is a distance between two adjacent curved arc segments, specifically, taking this embodiment as an example, there is an intersection between the arc of the second curved arc segment 12 and the third segment 13, and there is an intersection between the arc of the third curved arc segment 14 and the third segment 13, and since the third segment 13 is a straight line, the curved arc interval is a distance between these two intersections.
When the push-pull bending forming is carried out, the above parameters are set firstly, then the parameters are input into the bending equipment, and then the bending forming is carried out. The camber beam processed according to the parameters can meet the use requirements of the whole vehicle test, particularly, the rigidity and the strength of the camber beam can meet the use requirements, the GB/T5080-reliability test is adopted in the whole vehicle test, and the use requirements of the camber beam processed according to the parameters are proved after the whole vehicle test.
The utility model discloses a concrete embodiment 2 of camber beam for automobile body skeleton:
the difference from the example 1 is that in the example 1, the included angle of the bending arc is 159 degrees, the radius of the bending arc is 80mm, and the distance between the bending arcs is 115mm, but actually, after the experiment and the verification, as long as the included angle of the bending arc is kept between 90 degrees and 180 degrees (including 90 degrees but not including 180 degrees), the bending arc radius is kept more than or equal to 80mm, and the distance between the bending arcs is kept more than or equal to 115mm, the bending beam after processing and forming meets the use requirement. After the whole vehicle test, the phenomenon that the arc part is broken and the like is not caused is found.
The utility model discloses a concrete embodiment 3 of camber beam for automobile body skeleton:
the difference from the embodiment 1 is that in the embodiment 1, the material of the section bar is 510L, the wall thickness is 3.0mm, in this embodiment, the material of Qste700Tm, the wall thickness is 2.5 mm.
The utility model discloses a concrete embodiment 4 of camber beam for automobile body skeleton:
as shown in fig. 3, in embodiment 1, the curved beam is an "Ω" shaped curved beam, and specifically, the cowl top cross member is provided on the vehicle body. In this embodiment, the entire curved beam is a U-shaped curved beam, and the U-shaped curved beam is used as the front and rear windshield cross members when in use. The beam comprises a base, which is a first section 18, and two side edges, which are a second section 19 and a third section 20, respectively. The first segment 18 and the second segment 19 are connected by a first arcuate bend 21 and the first segment 18 and the third segment 20 are connected by a second arcuate bend 22. Wherein the first arc-shaped bent section 21 and the second arc-shaped bent section 22 meet the above-mentioned parameter requirements.
In the present embodiment, the first segment 18 extends arcuately to form an arcuate segment, as shown in FIG. 3. The bending distance between the first curved section 21 and the second curved section 22 is defined as follows: an intersection point is arranged between the first section 18 and the first arc-shaped bent section 21, an intersection point is arranged between the first section 18 and the second arc-shaped bent section 22, the two intersection points are both positioned on the first section 18, and the extension length of the two intersection points along the first section 18 is the bending arc interval between the first arc-shaped bent section 21 and the second arc-shaped bent section 22.
The utility model discloses a concrete embodiment 5 of camber beam for automobile body skeleton:
as shown in fig. 4, in embodiment 1, the curved beam is an "Ω" shaped curved beam, and specifically, the cowl top cross member is provided on the vehicle body. In this embodiment, the camber beam is a "Z" shaped camber beam, and specifically, a frame cross member is provided on the vehicle body frame. The bending beam comprises a first section 23, a second section 24 and a third section 25, wherein the first section 23 is connected with the second section 24 through a first arc-shaped bending section 26, and the second section 24 is connected with the third section 25 through a second arc-shaped bending section 27. Wherein the first curved section 26 and the second curved section 27 satisfy the above-mentioned parameter requirements. Wherein each segment is a straight segment extending linearly.
The utility model discloses a concrete embodiment 6 of camber beam for automobile body skeleton:
as shown in fig. 5, in example 1, the bending beam is an "Ω" shaped bending beam. In this embodiment, the curved beam is a U-shaped beam. The bending beam comprises a first section 28, a second section 29 and a third section 30, wherein the first section 28 is connected with the second section 29 through a first arc-shaped bending section 31, and the second section 29 is connected with the third section 30 through a second arc-shaped bending section 32. Wherein, the first arc-shaped bent section 31 and the second arc-shaped bent section 32 meet the above-mentioned parameter requirements. Wherein each segment is a straight segment extending linearly.
The utility model discloses a concrete embodiment 7 of camber beam for automobile body skeleton:
in the above embodiments, the camber beam is provided with at least two arc-shaped bending sections, in this embodiment, the profile main body in the camber beam only includes two segments, the two segments are connected through the arc-shaped bending sections, and the two segments may be arc-shaped sections or straight sections.
The utility model discloses a concrete embodiment of vehicle:
as shown in fig. 6, the vehicle includes a vehicle body frame, and the vehicle body frame includes a front windshield upper beam 33, a front cowl upper beam 34, a bottom beam 35, and other curved beams having arc-shaped curved sections, and the structure of the curved beam is the same as that in the above embodiments, and is not described herein again.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a camber beam for automobile body skeleton which characterized in that: the method comprises the following steps:
the section bar main body is of an integrated structure, and at least one arc-shaped bending section is integrally bent and formed on the section bar main body;
the section main body is a rectangular pipe and is made of steel;
the bending radius of the arc bending section is more than or equal to 80 mm;
the internal angle of the arc-shaped bending section is more than or equal to 90 degrees and less than 180 degrees.
2. The camber beam for vehicle body frames according to claim 1, wherein: the section bar main body is a section bar made of 510L materials and having a wall thickness of 3.0mm, or a section bar made of Qste700Tm materials and having a wall thickness of 2.5 mm.
3. The bending beam for a vehicle body frame according to claim 1 or 2, wherein: in the cross-sectional dimension of the rectangular pipe, the length and the width are both more than or equal to 20mm and less than or equal to 50 mm.
4. The bending beam for a vehicle body frame according to claim 1 or 2, wherein: the arc bending sections are at least two, and the bending distance between every two adjacent arc bending sections is larger than or equal to 115mm, wherein the bending distance refers to the extension length of the corresponding part of the opposite end parts of the two adjacent arc bending sections on the section bar main body.
5. The bending beam for a vehicle body frame according to claim 1 or 2, wherein: the section bar main body comprises at least two sections, the two adjacent sections are connected through the arc-shaped bent section, and each section comprises a straight section extending in a straight line and/or an arc-shaped section extending in an arc shape.
6. The utility model provides a vehicle, includes the automobile body skeleton, and the automobile body skeleton includes camber beam, its characterized in that: the camber beam includes: the section bar main body is of an integrated structure, and at least one arc-shaped bending section is integrally bent and formed on the section bar main body;
the section main body is a rectangular pipe and is made of steel;
the bending radius of the arc bending section is more than or equal to 80 mm;
the internal angle of the arc-shaped bending section is more than or equal to 90 degrees and less than 180 degrees.
7. The vehicle according to claim 6, characterized in that: the section bar main body is a section bar made of 510L materials and having a wall thickness of 3.0mm, or a section bar made of Qste700Tm materials and having a wall thickness of 2.5 mm.
8. The vehicle according to claim 6 or 7, characterized in that: in the cross-sectional dimension of the rectangular pipe, the length and the width are both more than or equal to 20mm and less than or equal to 50 mm.
9. The vehicle according to claim 6 or 7, characterized in that: the arc bending sections are at least two, and the bending distance between every two adjacent arc bending sections is larger than or equal to 115mm, wherein the bending distance refers to the extension length of the corresponding part of the opposite end parts of the two adjacent arc bending sections on the section bar main body.
10. The vehicle according to claim 6 or 7, characterized in that: the section bar main body comprises at least two sections, the two adjacent sections are connected through the arc-shaped bent section, and each section comprises a straight section extending in a straight line and/or an arc-shaped section extending in an arc shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020130643.9U CN211765857U (en) | 2020-01-20 | 2020-01-20 | Camber beam for vehicle and vehicle body framework |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020130643.9U CN211765857U (en) | 2020-01-20 | 2020-01-20 | Camber beam for vehicle and vehicle body framework |
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| Publication Number | Publication Date |
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| CN211765857U true CN211765857U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020130643.9U Active CN211765857U (en) | 2020-01-20 | 2020-01-20 | Camber beam for vehicle and vehicle body framework |
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| CN (1) | CN211765857U (en) |
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Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee after: Yutong Bus Co.,Ltd. Address before: No.1, Shibali Heyu Road, Guancheng Hui District, Zhengzhou City, Henan Province Patentee before: ZHENGZHOU YUTONG BUS Co.,Ltd. |