CN103738152A - Reinforcing structure of suspension installation points for automobile - Google Patents
Reinforcing structure of suspension installation points for automobile Download PDFInfo
- Publication number
- CN103738152A CN103738152A CN201310693473.XA CN201310693473A CN103738152A CN 103738152 A CN103738152 A CN 103738152A CN 201310693473 A CN201310693473 A CN 201310693473A CN 103738152 A CN103738152 A CN 103738152A
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- front longitudinal
- longitudinal girder
- brace panel
- girder inner
- plate body
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- 238000009434 installation Methods 0.000 title abstract description 11
- 239000000725 suspension Substances 0.000 title abstract 11
- 230000003014 reinforcing effect Effects 0.000 title abstract 9
- 229910000679 solder Inorganic materials 0.000 claims description 22
- 238000005452 bending Methods 0.000 claims description 3
- 238000005476 soldering Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 230000003068 static effect Effects 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000010030 laminating Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
The invention provides a reinforcing structure of suspension installation points for an automobile. On the premise of ensuring the installation intensity and stiffness, the achievement difficulty of the process is lowered, and the platform requirement is met. The reinforcing structure of the suspension installation points for the automobile comprises a reinforcing board of a front longitudinal beam inner board body, a suspension supporting board and the front longitudinal beam inner board body, wherein the reinforcing board of the front longitudinal beam inner board body and the suspension supporting board are welded to be a suspension reinforcing board subassembly, the suspension reinforcing board subassembly is provided with at least three full-closed or semi-closed box-shaped units; each box-shaped unit is provided with the installation points; the suspension reinforcing board subassembly and the front longitudinal beam inner board body are welded and fixed. As the box-shaped units are formed inside the structure and the multiple suspension installation points can be provided at the same time, the platform design requirement of a front longitudinal beam is met, the dynamic stiffness and the static stiffness of the suspension installation points are improved, resonance between the suspension installation points and the vibration frequency of an engine is avoided effectively, and the durability and the NVH performance of the installation points are improved; compared with the prior art, the reinforcing structure has the advantages that the number of parts is reduced, and the process is easy to implement.
Description
Technical field
The invention belongs to automotive body structure technical field, be specifically related to a kind of automobile and strengthen structure with the attachment point that suspends.
Background technology
The attachment point that suspends has carried the weight of whole driving engine and change speed gear box, and the load of carrying is very large.The quality of attachment point place structure design of suspending has directly affected the strength and stiffness of attachment point.Whether intensity has directly determined to suspend attachment point can fatigue failure, and rigidity has determined NVH performance, whether can affect occupant's traveling comfort.
As shown in Figure 1, the reinforcement structure that suspends at current front longitudinal beam of automobile body place is to be welded into after an integral body by front longitudinal girder inner plate brace panel (2), the front end panel that suspends (3), the rear bearing sheet that suspends (4) three, again, side rail body (1) is welded into an assembly, and wherein front longitudinal girder inner plate brace panel (2) is three bonding structures with front longitudinal girder inner plate body (1).There is following problem in this reinforcement structure that suspends: mount supports plate number is many, at front longitudinal girder inner plate brace panel (2), be on the basis of three laminatings with front longitudinal girder inner plate body (1), if front longitudinal girder inner plate brace panel (2) and the front end panel (3) that suspends, the rear bearing sheet (4) that suspends is also three laminatings, have twice three laminatings, the precision that is welded is controlled difficulty, precision of stamping parts requires high, production technology is not easy to control, if and front longitudinal girder inner plate brace panel (2) and the front end panel (3) that suspends, the rear bearing sheet (4) that suspends is only two sides laminating, downside does not connect, just easily cause the rigidity of structure and intensity difference, be difficult to meet the strength and stiffness requirement of the attachment point that suspends.
Current people's living standard is more and more higher, and domestic automobile product is also more and more, competition.Car production manufacturer, for saving cost, generally can adopt hardware and software platform design, and same front side member can meet the matching requirements of a plurality of engine mountings, has reduced like this cost of development of car load.And hardware and software platform design need to have four attachment points that even more suspend on longeron, may be up to six attachment points on a longeron.According to traditional design, structure is very complicated, and structure and technique all cannot realize obviously, can not meet the suspend requirement of attachment point of longeron of hardware and software platform more.
Summary of the invention
The object of the invention is to propose a kind of automobile and strengthen structure with the attachment point that suspends, guaranteeing under the prerequisite of installation strength and rigidity, reduce technique and realize difficulty, meet hardware and software platform requirement.
Automobile of the present invention is strengthened structure with the attachment point that suspends and is comprised front longitudinal girder inner plate body brace panel, mount supports plate and front longitudinal girder inner plate body, key is that described front longitudinal girder inner plate body brace panel and mount supports plate are welded into the brace panel branch unit that suspends, the described brace panel branch unit that suspends is provided with at least three totally-enclosed or semi-enclosed box-like unit, and each box-like unit is provided with attachment point; Described brace panel branch unit and the front longitudinal girder inner plate body of suspending is welded and fixed.
Box-like unit can improve dynamic stiffness and the quiet rigidity of the attachment point that suspends, and actv. is avoided resonating with engine vibration frequency, and checking, adopts this structure by analysis, and dynamic stiffness can improve more than 60%.Intensity improves more than 50%.In addition due to the existence of box-like unit, attachment face at front longitudinal girder inner plate brace panel is divided into several roughly the same parts, various piece is all in box-like unit, and the intensity of the set attachment point in each box-like unit is all effectively guaranteed, and has solved the problem of the many attachment points of platform.
Specifically, described front longitudinal girder inner plate body brace panel comprises stay bearing plate and the top board being formed by sheet material bending, and described stay bearing plate is vertical with top board, and the end of described stay bearing plate and top board bends and is welded to connect; Described mount supports plate is to utilize top that plate stamping forms and the box like structure of a lateral opening, and the edge of described mount supports plate is provided with flange; The top board of the top of described mount supports plate and front longitudinal girder inner plate body brace panel against, and opening one side of mount supports plate is towards the middle position of the stay bearing plate of front longitudinal girder inner plate body brace panel, and the stay bearing plate of the flange of described mount supports plate and front longitudinal girder inner plate body brace panel is welded and fixed.Known in foregoing description, front longitudinal girder inner plate body brace panel itself forms the box like structure of a bottom and a side lateral opening, and mount supports plate is the box like structure of top and a lateral opening, box like structure can improve the strength and stiffness of front longitudinal girder inner plate body brace panel and mount supports plate self, after front longitudinal girder inner plate body brace panel and mount supports plate relative position are located and are welded and fixed with fixture, at the middle part of front longitudinal girder inner plate body brace panel, formed the box like structure of a sealing, in the both sides of front longitudinal girder inner plate body brace panel, formed the box like structure of bottom and side mouth simultaneously, can greatly strengthen the suspending strength and stiffness of brace panel branch unit, and guarantee the reliable of each attachment point.
Further, for guaranteeing load mean allocation, maximally utilise the strength and stiffness of front longitudinal girder inner plate body brace panel, described attachment point is arranged at stay bearing plate and the top board place of front longitudinal girder inner plate body brace panel, and each corresponding stay bearing plate in box-like unit and top board place are all respectively provided with an attachment point.
Further, described mount supports plate is provided with the hollow-out parts of passing through for soldering turret, to facilitate the welding to mount supports plate.
Further, the flange of described mount supports plate is welded and fixed by the stay bearing plate of double-deck solder joint and front longitudinal girder inner plate body brace panel; The stay bearing plate of described front longitudinal girder inner plate body brace panel and top board and front longitudinal girder inner plate body are welded and fixed by double-deck solder joint, and top board, the front longitudinal girder inner plate body of the flange of described mount supports plate, front longitudinal girder inner plate body brace panel are welded and fixed by three layers of solder joint.In when welding, first mount supports plate and front longitudinal girder inner plate body brace panel are welded and fixed, the formation brace panel branch unit that suspends, and then will suspend brace panel branch unit and front longitudinal girder inner plate body be welded and fixed, in the time of can reducing Welder like this.
Further, the flange of described mount supports plate one side is welded and fixed by the stay bearing plate of a double-deck solder joint and front longitudinal girder inner plate body brace panel, and is welded and fixed by top board, the front longitudinal girder inner plate body of three layers of solder joint and front longitudinal girder inner plate body brace panel; The flange of mount supports plate opposite side is welded and fixed by the stay bearing plate of two double-deck solder joints and front longitudinal girder inner plate body brace panel.Can, guaranteeing that all parts connects on failure-free basis, reduce the quantity of three layers of solder joint, thereby improve welding efficiency like this.
Further, described front longitudinal girder inner plate body is provided with top flap and bottom flap, to improve the bearing force to the brace panel branch unit that suspends.
Automobile of the present invention is strengthened inside configuration with the attachment point that suspends and has been formed a plurality of box-like unit, a plurality of attachment points that suspend can be provided simultaneously, meet the designing requirement of front side member hardware and software platform, and dynamic stiffness and the quiet rigidity of the attachment point that suspends have been improved, actv. is avoided resonating with engine vibration frequency, has promoted durability and the NVH performance of attachment point; And having reduced part number than traditional design, technique easily realizes.
Accompanying drawing explanation
Fig. 1 is the structural representation that traditional attachment point that suspends is strengthened structure.
Fig. 2 is the structural representation of front longitudinal girder inner plate brace panel of the present invention.
Fig. 3 is the schematic diagram of welding certainly of front longitudinal girder inner plate brace panel of the present invention.
Fig. 4 is the structural representation of mount supports plate of the present invention.
Fig. 5 is the structural representation of the brace panel branch unit that suspends of the present invention.
Fig. 6 is the welding schematic diagram of the brace panel branch unit that suspends of the present invention.
Fig. 7 is the structural representation of front longitudinal girder inner plate body of the present invention.
Fig. 8 is that automobile of the present invention is strengthened the integral structure schematic diagram of structure with the attachment point that suspends.
Fig. 9 is that automobile of the present invention is strengthened the solder joint schematic diagram of structure with the attachment point that suspends.
The specific embodiment
Contrast accompanying drawing below, by the description to embodiment, the specific embodiment of the present invention is described in further detail as the effect of the mutual alignment between the shape of each related member, structure, each several part and annexation, each several part and principle of work etc.
Embodiment 1:
The automobile of the present embodiment is strengthened structure with the attachment point that suspends and is comprised front longitudinal girder inner plate body brace panel 1, mount supports plate 2 and front longitudinal girder inner plate body 3, wherein:
As shown in Figure 2,3, front longitudinal girder inner plate body brace panel 1 comprises stay bearing plate 11 and the top board 12 being formed by the bending of sheet material one, described stay bearing plate 11 is vertical with top board 12, and the end of described stay bearing plate 11 and top board 12 bends and utilize double-deck solder joint 4 to be connected and fixed, wherein each two double-deck solder joints 4 of every side.
As shown in Figure 4, described mount supports plate 2 is the top that utilizes plate stamping and form and the box like structure of a lateral opening, and the edge of described mount supports plate 2 is provided with flange 21.
As shown in Figure 5,6, the top board 12 of the top of described mount supports plate 2 and front longitudinal girder inner plate body brace panel 1 against, and opening one side of mount supports plate 2 is towards the middle position of the stay bearing plate 11 of front longitudinal girder inner plate body brace panel 1, the flange 21 of described mount supports plate 2 utilizes three double-deck solder joints 4 to be connected and fixed with the stay bearing plate 11 of front longitudinal girder inner plate body brace panel 1, forms the brace panel branch unit 6 that suspends.
Front longitudinal girder inner plate body brace panel 1 itself forms the box like structure of a bottom and a side lateral opening, and mount supports plate 2 is the box like structure of top and a lateral opening, box like structure can improve the strength and stiffness of front longitudinal girder inner plate body brace panel 1 and mount supports plate 2 self, after front longitudinal girder inner plate body brace panel 1 and mount supports plate 2 are oppositely arranged and are welded and fixed, at the middle part of front longitudinal girder inner plate body brace panel 1, formed the box like structure of a sealing, in the both sides of front longitudinal girder inner plate body brace panel 1, formed the box like structure of bottom and side mouth simultaneously, can greatly strengthen the suspending strength and stiffness of brace panel branch unit 6, and guarantee the reliable of each attachment point.
Mount supports plate 2 coordinates with front longitudinal girder inner plate body brace panel 1, three box-packed unit have been formed, the stay bearing plate 11 of each box-like unit corresponding front longitudinal girder inner plate body brace panel 1 and top board 12 places are all respectively provided with the attachment point 5 that suspends, altogether six attachment points 5 that suspend.
Box-like unit can improve dynamic stiffness and the quiet rigidity of the attachment point 5 that suspends, and actv. is avoided resonating with engine vibration frequency, and checking, adopts this structure by analysis, and dynamic stiffness can improve more than 60%.Intensity improves more than 50%.In addition due to the existence of box-like unit, attachment face at front longitudinal girder inner plate brace panel 1 is divided into several roughly the same parts, various piece is all in box-like unit, and the intensity of the set attachment point in each box-like unit is all effectively guaranteed, and has solved the problem of the many attachment points of platform.
Mount supports plate 2 is provided with the hollow-out parts 22 of passing through for soldering turret, to facilitate the welding to mount supports plate 2.
As shown in Fig. 7,8,9, the flange 21 of mount supports plate 2 one sides is welded and fixed with the stay bearing plate 11 of front longitudinal girder inner plate body brace panel 1 by a double-deck solder joint 4, and is welded and fixed by three layers of solder joint 7 and top board 12, the front longitudinal girder inner plate body 3 of front longitudinal girder inner plate body brace panel 1; The flange 21 of mount supports plate 2 opposite sides is welded and fixed with the stay bearing plate 11 of front longitudinal girder inner plate body brace panel 1 by two double-deck solder joints 4.The stay bearing plate 11 of front longitudinal girder inner plate body brace panel 1 and top board 12 are welded and fixed by 13 double-deck solder joints 4 with front longitudinal girder inner plate body 3.Can, guaranteeing that all parts connects on failure-free basis, reduce the quantity of three layers of solder joint 7, thereby improve welding efficiency like this.Front longitudinal girder inner plate body 3 is provided with top flap 31 and bottom flap 32, to improve the bearing force to the brace panel branch unit 6 that suspends.
In when welding, first mount supports plate 2 and front longitudinal girder inner plate body brace panel 1 are welded and fixed, form the brace panel branch unit 6 that suspends, and then the brace panel branch unit 6 that will suspend is welded and fixed with front longitudinal girder inner plate body 3, can improve installation effectiveness like this.
Claims (8)
1. an automobile is strengthened structure with the attachment point that suspends, comprise front longitudinal girder inner plate body brace panel, mount supports plate and front longitudinal girder inner plate body, it is characterized in that described front longitudinal girder inner plate body brace panel and mount supports plate are welded into the brace panel branch unit that suspends, the described brace panel branch unit that suspends is provided with at least three totally-enclosed or semi-enclosed box-like unit, and each box-like unit is provided with attachment point; Described brace panel branch unit and the front longitudinal girder inner plate body of suspending is welded and fixed.
2. automobile according to claim 1 is strengthened structure with the attachment point that suspends, it is characterized in that described front longitudinal girder inner plate body brace panel comprises stay bearing plate and the top board being formed by sheet material bending, described stay bearing plate is vertical with top board, and the end of described stay bearing plate and top board bends and is welded to connect; Described mount supports plate is to utilize top that plate stamping forms and the box like structure of a lateral opening, and the edge of described mount supports plate is provided with flange; The top board of the top of described mount supports plate and front longitudinal girder inner plate body brace panel against, and opening one side of mount supports plate is towards the middle position of the stay bearing plate of front longitudinal girder inner plate body brace panel, and the stay bearing plate of the flange of described mount supports plate and front longitudinal girder inner plate body brace panel is welded and fixed.
3. automobile according to claim 2 is strengthened structure with the attachment point that suspends, it is characterized in that described attachment point is arranged at stay bearing plate and the top board place of front longitudinal girder inner plate body brace panel, and each corresponding stay bearing plate in box-like unit and top board place are all respectively provided with an attachment point.
4. according to the automobile described in claim 2 or 3, with the attachment point that suspends, strengthen structure, it is characterized in that described mount supports plate is provided with the hollow-out parts of passing through for soldering turret.
5. the attachment point that suspends for automobile according to claim 4 is strengthened structure, and the flange that it is characterized in that described mount supports plate is welded and fixed by the stay bearing plate of double-deck solder joint and front longitudinal girder inner plate body brace panel.
6. automobile according to claim 5 is strengthened structure with the attachment point that suspends, it is characterized in that the stay bearing plate of described front longitudinal girder inner plate body brace panel and top board and front longitudinal girder inner plate body are welded and fixed by double-deck solder joint, top board, the front longitudinal girder inner plate body of the flange of described mount supports plate, front longitudinal girder inner plate body brace panel are welded and fixed by three layers of solder joint.
7. automobile according to claim 6 is strengthened structure with the attachment point that suspends, the flange that it is characterized in that described mount supports plate one side is welded and fixed by the stay bearing plate of a double-deck solder joint and front longitudinal girder inner plate body brace panel, and is welded and fixed by top board, the front longitudinal girder inner plate body of three layers of solder joint and front longitudinal girder inner plate body brace panel; The flange of mount supports plate opposite side is welded and fixed by the stay bearing plate of two double-deck solder joints and front longitudinal girder inner plate body brace panel.
8. automobile according to claim 6 is strengthened structure with the attachment point that suspends, and it is characterized in that described front longitudinal girder inner plate body is provided with top flap and bottom flap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310693473.XA CN103738152B (en) | 2013-12-18 | 2013-12-18 | A kind of automobile suspension attachment point strengthens structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310693473.XA CN103738152B (en) | 2013-12-18 | 2013-12-18 | A kind of automobile suspension attachment point strengthens structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103738152A true CN103738152A (en) | 2014-04-23 |
| CN103738152B CN103738152B (en) | 2016-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310693473.XA Active CN103738152B (en) | 2013-12-18 | 2013-12-18 | A kind of automobile suspension attachment point strengthens structure |
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| Country | Link |
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| CN (1) | CN103738152B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105799782A (en) * | 2016-03-23 | 2016-07-27 | 广州汽车集团股份有限公司 | Automobile suspension installing structure |
| CN113085523A (en) * | 2021-05-13 | 2021-07-09 | 北京长安汽车工程技术研究有限责任公司 | Mounting structure for front suspension of automobile |
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| CN202685899U (en) * | 2012-06-30 | 2013-01-23 | 重庆长安汽车股份有限公司 | Support structure for automobile suspension mounting bracket |
| CN202879226U (en) * | 2012-10-28 | 2013-04-17 | 长城汽车股份有限公司 | Automotive power assembly front-suspension point installation structure |
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2013
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6390437B1 (en) * | 1999-12-28 | 2002-05-21 | Hyundai Motor Company | Reinforcement structure for engine mounting portion of automobile |
| EP1270300A2 (en) * | 2001-06-27 | 2003-01-02 | Nissan Motor Company, Limited | Support bracket for power unit |
| JP4133723B2 (en) * | 2003-10-08 | 2008-08-13 | 本田技研工業株式会社 | Front body structure of automobile |
| DE102004016616B3 (en) * | 2004-04-03 | 2005-08-11 | Daimlerchrysler Ag | Drive arrangement for a motor vehicle has openings each enclosed by frame longitudinal supports of a supporting frame, and engine bearings supported on the upper sides of the frame longitudinal supports |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105799782A (en) * | 2016-03-23 | 2016-07-27 | 广州汽车集团股份有限公司 | Automobile suspension installing structure |
| CN105799782B (en) * | 2016-03-23 | 2018-09-18 | 广州汽车集团股份有限公司 | A kind of mounting structure of automobile suspended |
| CN113085523A (en) * | 2021-05-13 | 2021-07-09 | 北京长安汽车工程技术研究有限责任公司 | Mounting structure for front suspension of automobile |
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| Publication number | Publication date |
|---|---|
| CN103738152B (en) | 2016-03-16 |
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Effective date of registration: 20190801 Address after: 241000 No. 8 Building, Science and Technology Industrial Park, 717 Zhongshan South Road, Yijiang District, Wuhu City, Anhui Province Patentee after: CHERY COMMERCIAL VEHICLES (ANHUI) CO., LTD. Address before: 241009 Wuhu economic and Technological Development Zone, Anhui, No. 8 Changchun Road Patentee before: Saic Chery Automobile Co., Ltd. |