CN114802449B - Front section of automobile longitudinal beam group - Google Patents
Front section of automobile longitudinal beam group Download PDFInfo
- Publication number
- CN114802449B CN114802449B CN202210321654.9A CN202210321654A CN114802449B CN 114802449 B CN114802449 B CN 114802449B CN 202210321654 A CN202210321654 A CN 202210321654A CN 114802449 B CN114802449 B CN 114802449B
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- front section
- longitudinal beam
- beam front
- section reinforcing
- longitudinal
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 98
- 238000003754 machining Methods 0.000 claims abstract description 4
- 238000005452 bending Methods 0.000 claims description 9
- 238000003466 welding Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 description 3
- 206010061245 Internal injury Diseases 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Classifications
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses an automobile longitudinal beam group front section, which comprises a longitudinal beam front section, a longitudinal beam front section reinforcing sleeve, a longitudinal beam front section reinforcing inner plate and a longitudinal front section reinforcing outer plate; the front section of the longitudinal beam is integrally formed by adopting internal high pressure, the front section reinforcing sleeve of the longitudinal beam is formed by adopting machining, and the front section reinforcing inner plate and the longitudinal front section reinforcing outer plate of the longitudinal beam are formed by adopting stamping; the longitudinal beam front section reinforcing sleeve is matched and sleeved on the longitudinal beam front section and welded fixedly, the longitudinal beam front section reinforcing inner plate is attached to the longitudinal beam front section and the longitudinal beam front section reinforcing sleeve and welded fixedly, the longitudinal beam front section reinforcing inner plate covers the longitudinal beam front section reinforcing sleeve and extends front and back along the longitudinal beam front section, the longitudinal beam front section reinforcing outer plate is attached to the longitudinal beam front section, the longitudinal beam front section reinforcing sleeve and the longitudinal beam front section reinforcing inner plate and welded fixedly, and the longitudinal beam front section reinforcing outer plate covers the longitudinal beam front section reinforcing inner plate and extends front and back along the longitudinal beam front section. The invention can flexibly strengthen weaker positions, does not influence the front section of the longitudinal beam, reduces welding and ensures the consistency and quality of products.
Description
Technical Field
The invention belongs to the field of automobile frames, and particularly relates to a front section of an automobile longitudinal beam group.
Background
At present, the longitudinal beam of the main stream of the passenger car is generally of a box-shaped longitudinal beam structure welded inside and outside a groove, the welding seam of the structure is long, the welding deformation is large, the manufacturing correction difficulty is large, the control is difficult, the stamping rebound deformation of the longitudinal beam is difficult, the collision strength is poor, the hard point precision of a chassis mounting suspension is poor, the vehicle performance is further influenced, and the like, and the consistency and the quality of products are difficult to guarantee.
Disclosure of Invention
The invention aims to provide the front section of the automobile longitudinal beam group, which can flexibly strengthen weaker positions, does not influence the front section of the longitudinal beam, reduces welding and ensures the consistency and quality of products.
The technical scheme adopted by the invention is as follows:
an automobile longitudinal beam group front section comprises a longitudinal beam front section, a longitudinal beam front section reinforcing sleeve arranged in a longitudinal beam front section structure reinforcing area, a longitudinal beam front section reinforcing inner plate and a longitudinal front section reinforcing outer plate; the front section of the longitudinal beam is integrally formed by adopting internal high pressure, the front section reinforcing sleeve of the longitudinal beam is formed by adopting machining, and the front section reinforcing inner plate and the longitudinal front section reinforcing outer plate of the longitudinal beam are formed by adopting stamping; the longitudinal beam front section reinforcing sleeve is matched and sleeved on the longitudinal beam front section and welded fixedly, the longitudinal beam front section reinforcing inner plate is attached to the longitudinal beam front section and the longitudinal beam front section reinforcing sleeve and welded fixedly, the longitudinal beam front section reinforcing inner plate covers the longitudinal beam front section reinforcing sleeve and extends front and back along the longitudinal beam front section, the longitudinal beam front section reinforcing outer plate is attached to the longitudinal beam front section, the longitudinal beam front section reinforcing sleeve and the longitudinal beam front section reinforcing inner plate and welded fixedly, and the longitudinal beam front section reinforcing outer plate covers the longitudinal beam front section reinforcing inner plate and extends front and back along the longitudinal beam front section.
Further, the longitudinal beam front section reinforcing sleeve is positioned at the rear part of the bending section of the longitudinal beam front section, the longitudinal beam front section reinforcing inner plate extends from the front part to the rear part of the bending section of the longitudinal beam front section, and the longitudinal front section reinforcing outer plate covers the bending section of the whole longitudinal beam front section and extends to the straight line section of the longitudinal beam front section front and rear.
Further, the longitudinal beam front-section reinforcing sleeve, the longitudinal beam front-section reinforcing inner plate and the longitudinal front-section reinforcing outer plate are positioned through reserved holes in the longitudinal beam front section.
The beneficial effects of the invention are as follows:
the invention adopts the front section of the inner high-pressure integrated longitudinal beam to combine the inner reinforcing plate, the outer reinforcing plate and the reinforcing sleeve to be welded, can flexibly reinforce the position with weaker rigidity and strength, and improves the rigidity and strength performance of the longitudinal beam in the collision process; the longitudinal beam front section reinforcing sleeve, the longitudinal beam front section reinforcing inner plate and the longitudinal front section reinforcing outer plate can locally strengthen the rigidity strength, and the quality and the precision of the longitudinal beam front section are not affected; adopt interior high pressure integral type longeron anterior segment, reduced the product welding part, effectually guaranteed chassis, hard spot and relevant product's installation accuracy, have very big promotion to the product uniformity of longeron, eliminated the cost that leads to because of the product warp correction, improve the efficiency in the vehicle production process, greatly reduced moreover the vehicle when complicated road conditions travel, the serious internal injury's of frame that leads to because of longeron welding seam fracture condition appears, improved whole car's performance and passenger's security.
Drawings
Fig. 1 is a front view of a front section of an automobile rail assembly in accordance with an embodiment of the present invention.
Fig. 2 is a cross-sectional view at A-A in fig. 1.
Fig. 3 is a split view of fig. 1.
In the figure: 1-a front section of a longitudinal beam; 2-reinforcing an outer plate at the front section of the longitudinal beam; 3-reinforcing an inner plate at the front section of the longitudinal beam; 4-longitudinal beam front section reinforcing sleeve.
Detailed Description
The invention is further described below with reference to the drawings and examples.
As shown in fig. 1 to 3, an automobile longitudinal beam group front section comprises a longitudinal beam front section 1, a longitudinal beam front section reinforcing sleeve 4 arranged in a structural reinforcing area of the longitudinal beam front section 1, a longitudinal beam front section reinforcing inner plate 3 and a longitudinal front section reinforcing outer plate 2; the longitudinal beam front section 1 is formed integrally by internal high pressure, the longitudinal beam front section reinforcing sleeve 4 is formed by machining, and the longitudinal beam front section reinforcing inner plate 3 and the longitudinal front section reinforcing outer plate 2 are formed by stamping; the longitudinal beam front section reinforcing sleeve 4 is matched and sleeved on the longitudinal beam front section 1 and welded fixedly, the longitudinal beam front section reinforcing inner plate 3 is attached to the longitudinal beam front section 1 and the longitudinal beam front section reinforcing sleeve 4 and welded fixedly, the longitudinal beam front section reinforcing inner plate 3 covers the longitudinal beam front section reinforcing sleeve 4 and extends front and back along the longitudinal beam front section 1, the longitudinal beam front section reinforcing outer plate 2 is attached to the longitudinal beam front section 1, the longitudinal beam front section reinforcing sleeve 4 and the longitudinal beam front section reinforcing inner plate 3 and welded fixedly, and the longitudinal beam front section reinforcing outer plate 2 covers the longitudinal beam front section reinforcing inner plate 3 and extends front and back along the longitudinal beam front section 1.
As shown in fig. 1 to 3, in the present embodiment, a side member front section reinforcing sleeve 4 is located at the rear of the bending section of the side member front section 1, a side member front section reinforcing inner panel 3 extends from the front to the rear of the bending section of the side member front section 1, and a longitudinal front section reinforcing outer panel 2 covers the bending section of the entire side member front section 1 and extends front to rear to the straight line section of the side member front section 1.
As shown in fig. 1 to 3, in the present embodiment, the stringer front-section reinforcing sleeve 4, the stringer front-section reinforcing inner panel 3, and the longitudinal front-section reinforcing outer panel 2 are positioned through the preformed holes on the stringer front section 1.
The invention adopts the inner high-pressure integrated longitudinal beam front section 1 to combine the inner and outer two-stage reinforcing plates (2 and 3) and the longitudinal beam front section reinforcing sleeve 4 to be welded, can flexibly strengthen the position with weaker rigidity and strength, and improves the rigidity and strength performance of the longitudinal beam in the collision process; the longitudinal beam front section reinforcing sleeve 4, the longitudinal beam front section reinforcing inner plate 3 and the longitudinal front section reinforcing outer plate 1 can locally strengthen the rigidity strength, and the quality and the precision of the longitudinal beam front section 1 are not affected; adopt interior high pressure integral type longeron anterior segment 1, reduced the product welded part, effectually guaranteed chassis, hard spot and relevant product's installation accuracy, have very big promotion to the product uniformity of longeron, eliminated the cost that leads to because of the product warp correction, improve the efficiency in the vehicle production process, greatly reduced moreover the vehicle when complicated road conditions travel, the serious internal injury's of frame that leads to because of longeron welding seam fracture condition appears, improved whole car's performance and passenger's security.
It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.
Claims (3)
1. An automobile longitudinal beam group front section which is characterized in that: the longitudinal beam comprises a longitudinal beam front section, a longitudinal beam front section reinforcing sleeve, a longitudinal beam front section reinforcing inner plate and a longitudinal front section reinforcing outer plate, wherein the longitudinal beam front section reinforcing sleeve is arranged in a longitudinal beam front section structure reinforcing area; the front section of the longitudinal beam is integrally formed by adopting internal high pressure, the front section reinforcing sleeve of the longitudinal beam is formed by adopting machining, and the front section reinforcing inner plate and the longitudinal front section reinforcing outer plate of the longitudinal beam are formed by adopting stamping; the longitudinal beam front section reinforcing sleeve is matched and sleeved on the longitudinal beam front section and welded fixedly, the longitudinal beam front section reinforcing inner plate is attached to the longitudinal beam front section and the longitudinal beam front section reinforcing sleeve and welded fixedly, the longitudinal beam front section reinforcing inner plate covers the longitudinal beam front section reinforcing sleeve and extends front and back along the longitudinal beam front section, the longitudinal beam front section reinforcing outer plate is attached to the longitudinal beam front section, the longitudinal beam front section reinforcing sleeve and the longitudinal beam front section reinforcing inner plate and welded fixedly, and the longitudinal beam front section reinforcing outer plate covers the longitudinal beam front section reinforcing inner plate and extends front and back along the longitudinal beam front section.
2. The front section of an automobile longitudinal beam set according to claim 1, wherein: the longitudinal beam front section reinforcing sleeve is positioned at the rear part of the bending section of the longitudinal beam front section, the longitudinal beam front section reinforcing inner plate extends from the front part to the rear part of the bending section of the longitudinal beam front section, and the longitudinal front section reinforcing outer plate covers the bending section of the whole longitudinal beam front section and extends to the straight line section of the longitudinal beam front section front and rear.
3. The front section of an automobile longitudinal beam set according to claim 1, wherein: the longitudinal beam front section reinforcing sleeve, the longitudinal beam front section reinforcing inner plate and the longitudinal front section reinforcing outer plate are positioned through reserved holes in the longitudinal beam front section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210321654.9A CN114802449B (en) | 2022-03-25 | 2022-03-25 | Front section of automobile longitudinal beam group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210321654.9A CN114802449B (en) | 2022-03-25 | 2022-03-25 | Front section of automobile longitudinal beam group |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114802449A CN114802449A (en) | 2022-07-29 |
| CN114802449B true CN114802449B (en) | 2023-06-16 |
Family
ID=82533264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210321654.9A Active CN114802449B (en) | 2022-03-25 | 2022-03-25 | Front section of automobile longitudinal beam group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114802449B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003002231A (en) * | 2001-06-22 | 2003-01-08 | Kanto Auto Works Ltd | Rear body structure of automobile |
| JP2005335509A (en) * | 2004-05-26 | 2005-12-08 | Toyota Motor Corp | Vehicular front body structure |
| CN201484495U (en) * | 2009-06-30 | 2010-05-26 | 奇瑞汽车股份有限公司 | Automobile rear longitudinal beam reinforcing structure |
| CN102267490B (en) * | 2011-05-04 | 2013-04-10 | 北京航空航天大学 | Internal-high-pressure-forming-based automobile longitudinal beam and manufacturing method thereof |
| CN105818862B (en) * | 2015-01-05 | 2018-06-19 | 广州汽车集团股份有限公司 | Front deck longeron rear section structure and automobile |
| CN111845939B (en) * | 2019-04-28 | 2022-04-19 | 浙江吉利控股集团有限公司 | Automobile front suspension crossbeam |
| CN212797095U (en) * | 2020-07-24 | 2021-03-26 | 广州汽车集团股份有限公司 | Vehicle body front structure and automobile |
-
2022
- 2022-03-25 CN CN202210321654.9A patent/CN114802449B/en active Active
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| Publication number | Publication date |
|---|---|
| CN114802449A (en) | 2022-07-29 |
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