CN103085887A - Side wall vertical pillar structure of variable-cross-section passenger car - Google Patents
Side wall vertical pillar structure of variable-cross-section passenger car Download PDFInfo
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- CN103085887A CN103085887A CN201310042181XA CN201310042181A CN103085887A CN 103085887 A CN103085887 A CN 103085887A CN 201310042181X A CN201310042181X A CN 201310042181XA CN 201310042181 A CN201310042181 A CN 201310042181A CN 103085887 A CN103085887 A CN 103085887A
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Abstract
The invention relates to the technical field of passenger car security protection, in particular to a side wall vertical pillar structure which is capable of remarkably improving rollover security performance of a variable-cross-section passenger car. The side wall vertical pillar structure of the variable-cross-section passenger car is formed by an outside plate structure (6) and a U-shaped inner plate structure (7) in a welding mode, the width of the outside plate structure (6) from a top longitudinal beam (2) to a window waist beam (3) is the same, and from the window waist beam (3) to a lower waist beam (5), the width increases gradually from top to down. The cross-section size of the U-shaped inner plate structure (7) increases gradually along the vertical pillar length direction from top to bottom, the width of each cross-section of the U-shaped inner plate structure is (7) smaller than the cross-section width of the outside plate structure (6) at the same cross-section portion, a welding lap joint area with equal width is arranged on a joint of the U-shaped inner plate structure (7) and the outside plate structure (6). The side wall vertical pillar structure of the variable-cross-section passenger car is capable of guaranteeing that in the rollover process, the collision moment of the side wall vertical pillar of the passenger car body is matched with the pillar cross-section size, the degeneration of the side wall vertical pillar is enabled to become even, and the rollover security performance of the passenger car is improved. .
Description
Technical field
The present invention relates to bus safety guard technology field, be specifically related to a kind of variable section punching press welding passenger vehicle gusset pillar construction that passenger vehicle rollover safety performance is significantly improved.
Technical background
Fast development along with public transport, passenger vehicle has become the public transport means of the main flow of society, also caused the generation of various passenger vehicle traffic accidents thereupon, wherein rollover is one of the most serious traffic accident of passenger vehicle, easily cause the dead group of group to hinder phenomenon, therefore how farthest to alleviate passenger car side and climb in journey chaufeur and occupant's injury, the rollover safety performance that improves passenger vehicle has become problem demanding prompt solution.
Amount of literature data and simulation result show: in passenger vehicle rollover collision process, what mainly withstand shocks load, absorption collision energy is the enclosed ring of bus body, in enclosed ring again with the passenger vehicle side wall pillar as main distortion energy absorbing component, therefore the structure design of passenger vehicle side wall pillar directly has influence on the anti-rollover characteristic of closed-loop, and then has influence on the rollover safety performance of passenger vehicle car load.
During the passenger vehicle side overturning crash, at first the side wall pillar top contacts with ground, causes its collision moment of bearing to increase gradually from top to bottom along the strut length direction.From the Theoretical Design angle analysis, be the deflection that guarantees that the side wall pillar distortion is even, reduce body structure, the side wall pillar sectional dimension should increase from top to bottom gradually.And the side wall pillar structure of existing passenger vehicle all adopts the rectangular steel pipe of uniform cross section size, causes it in the side overturning crash process, and the side wall pillar distortion is inhomogeneous, and side wall structure intrusion amount is larger, affects the rollover safety performance of car load.
Summary of the invention
In passenger vehicle rollover collision process, the passenger vehicle side wall pillar bears the unequal characteristics of collision moment, and the present invention provides a kind of variable section punching press welding passenger vehicle gusset pillar construction that can mate side overturning crash moment on the basis of existing coach body structure.
A kind of variable section punching press welding passenger vehicle gusset pillar construction, be welded by outer panel structure 6 and U-shaped inner plate structure 7 two parts, outer panel structure 6 is identical to width breast beam 3 from top longeron 2, and breast beam 3 is between lower waist rail 5, and its width increases from the top down gradually; U-shaped inner plate structure 7 sectional dimensions increase from top to bottom gradually along the strut length direction, the dimension width in U-shaped inner plate structure 7 each cross sections is all less than the section width of same cross-sectional position outer panel structure 6, and U-shaped inner plate structure 7 has with outer panel structure 6 junctions and waits the welded lap of width regional.
Described outer panel structure 6 is 50-60mm from top longeron 2 to the width breast beam 3, and breast beam 3 is 80-100mm to maximum width between lower waist rail 5, and wall thickness is 3-4mm.
The high wide size in described U-shaped inner plate structure 7 cross sections is than being 0.6-0.9, and the smallest cross-sectional size is compared with largest cross-sectional sized, and aspect ratio is 0.4-0.7, and width is than being 0.4-0.7, and wall thickness is 3-4mm.
Beneficial effect
Variable section punching press welding passenger vehicle gusset pillar construction proposed by the invention, can guarantee that the collision moment and the column sectional dimension that climb over journey microbus body side wall column at passenger car side are complementary, make the side wall pillar sex change more even, effectively to avoid column to produce local buckling, improve the energy-absorbing effect of structure, reach the deflection that reduces body structure, the target that improves the rollover safety performance of passenger vehicle.
Description of drawings
Fig. 1 is the passenger vehicle rollover schematic diagram of ECE-R66 rules and regulations;
Fig. 2 is the scheme of installation of variable section punching press welding passenger vehicle gusset pillar construction of the present invention in bus body left-side structure;
Fig. 3 is the scheme of installation of variable section punching press welding passenger vehicle gusset pillar construction of the present invention in bus body right side wall structure;
Fig. 4 is the oblique drawing of variable section punching press welding passenger vehicle gusset pillar construction of the present invention;
Fig. 5 is the front elevation of variable section punching press welding passenger vehicle gusset pillar construction of the present invention;
Fig. 6 is the front elevation of variable section punching press welding passenger vehicle side wall pillar outer panel structure of the present invention;
Fig. 7 is the front elevation of variable section punching press welding passenger vehicle side wall pillar punching press inner plate structure of the present invention;
Fig. 8 is variable section punching press welding passenger vehicle gusset pillar construction A-A schematic cross-section of the present invention;
Fig. 9 is body section of passenger car rollover simulation result schematic diagram;
Figure 10 is the body section of passenger car rollover simulation result schematic diagram that has adopted variable section punching press welding passenger vehicle gusset pillar construction;
Wherein, 1, side wall pillar structure, 2, top longeron, 3, breast beam, 4, diagonal brace, 5, lower waist rail, 6, outer panel structure, 7, U-shaped inner plate structure, 8, solder joint.
The specific embodiment
The embodiment that provides below in conjunction with accompanying drawing is described in further detail the present invention.
Variable section punching press welding passenger vehicle gusset pillar construction 1 is comprised of outer panel structure 6 and U-shaped inner plate structure 7 two parts, and two parts adopt welding process to connect.
Outer panel structure is formed by sheet metal blanking, and its architectural feature is: top longeron 2 is identical to the width of the outer panel structure between breast beam 3, and span is 50-60mm, to guarantee enough side window visuals field and the bonding convenience of glass; Breast beam 3 is down to the outer panel structure 6 between lower waist rail 5, and its width increases from the top down gradually, and maximum width is 80-100mm, and guaranteeing has certain welded lap regional with U-shaped inner plate structure 7, is convenient to welding; The wall thickness dimension scope of outer panel structure 6 is 3-4mm.
U-shaped inner plate structure 7, by the Sheet Metal Forming Technology moulding, the high wide size in each cross section is that 0.6-0.9(stipulates that its U-shaped degree of depth is that sectional dimension is high than span, U-shaped width is that sectional dimension is wide), sectional dimension increases from top to bottom gradually along the strut length direction, the smallest cross-sectional size is compared with largest cross-sectional sized, and height dimension is 0.4-0.7 than span, and width dimensions is 0.4-0.7 than span; The wall thickness dimension scope is 3-4mm; The dimension width in U-shaped inner plate structure 7 each cross sections is all less than the section width of same cross-sectional position outer panel structure 6, and guarantees that U-shaped inner plate structure 7 and outer panel structure 6 junctions have and wait the welded lap of width regional.
When variable section punching press welding passenger vehicle gusset pillar construction was installed, outer panel structure was towards the outside of vehicle body, and the punching press inner plate structure is inboard towards vehicle body; Glass for vehicle window is bonded on outer panel structure by glass bond.
As shown in Fig. 2,3, the present invention chooses a comparatively ripe 12m full-bearing type highway passenger vehicle, and its side wall pillar is replaced with variable section punching press welding passenger vehicle gusset pillar construction proposed by the invention;
As shown in Fig. 4,5,6,7,8, described variable section punching press welding passenger vehicle gusset pillar construction 1 is comprised of outer panel structure 6 and U-shaped inner plate structure 7 two parts; Outer panel structure 6 is formed by sheet metal blanking, and top longeron 2 is identical to the width of the outer panel structure between breast beam 3, width value is 60mm, and breast beam 3 increases gradually to the width of the outer panel structure between lower waist rail 5, and width is 80mm; The Thickness of outer panel structure 6 is 3mm; U-shaped inner plate structure 7, by the Sheet Metal Forming Technology moulding, its sectional dimension increases from top to bottom gradually along the strut length direction, and smallest cross-sectional is of a size of 30mm*35mm*3mm(height * width * thickness), largest cross-sectional sized is 60mm*70mm*3mm(height * width * thickness); U-shaped inner plate structure 7 has wide welded lap zone with outer panel structure 6 junctions, and width is 5mm, and U-shaped inner plate structure 7 is connected by solder joint 8 with outer panel structure 6;
As shown in Fig. 2,3, when described variable section punching press welding passenger vehicle gusset pillar construction 1 was installed, outer panel structure 6 was towards the outside of body structure, and U-shaped inner plate structure 7 is inboard towards body structure; The glass for vehicle window of the left and right gusset of bus body is connected by the outer plate portion 6 of lining cement with described variable section punching press welding passenger vehicle gusset pillar construction 1.
Described variable section punching press welding passenger vehicle gusset pillar construction 1 upper end is connected with the top girder work 2 of the left and right gusset of vehicle body by solder joint; The lower end is connected with the lower breast beam structure 5 of the left and right gusset of vehicle body by solder joint; The breast girder construction 3 of the left and right gusset of bus body, the part diagonal brace 4 between waist rail are connected by the U-shaped inner plate structure 7 of solder joint with described variable section punching press welding passenger vehicle gusset pillar construction 1;
In order to verify validity of the present invention, the inventor sets up the original body section finite element model of passenger vehicle and the body section finite element model that variable section punching press welding passenger vehicle gusset pillar construction is housed take certain passenger vehicle as example simultaneously according to the requirement of ECE-R66 rules.Utilize LS-Dyna software to carry out simulation analysis, and according to analysis result, the ability that the present invention promotes passenger vehicle rollover safety is estimated, result (in body section structure trapezoidal be the living space of laws and regulations requirement) as shown in accompanying drawing 6,7.Accompanying drawing 6 is the simulation result of the original body section model of passenger vehicle, and its collision side passenger vehicle side wall pillar is 24.4mm to the closest range of living space; Accompanying drawing 7 is for having adopted the body section model emulation result of variable section punching press welding passenger vehicle gusset pillar construction proposed by the invention, and its collision side passenger vehicle side wall pillar is 55.7mm to the closest range of living space; Contrast by result and can find out significantly and adopt the deflection that body section structure of the present invention can effectively minimizing body side wall structure, obviously improve the rollover safety performance of passenger vehicle.
Claims (3)
1. variable section punching press welding passenger vehicle gusset pillar construction, it is characterized in that: be welded by outer panel structure (6) and U-shaped inner plate structure (7) two parts, outer panel structure (6) is identical to width breast beam (3) from top longeron (2), breast beam (3) is between lower waist rail (5), and its width increases from the top down gradually; U-shaped inner plate structure (7) sectional dimension increases from top to bottom gradually along the strut length direction, the dimension width in each cross section of U-shaped inner plate structure (7) is all less than the section width of same cross-sectional position outer panel structure (6), and U-shaped inner plate structure (7) has with outer panel structure (6) junction and waits the welded lap of width regional.
2. a kind of variable section punching press welding passenger vehicle gusset pillar construction according to claim 1, it is characterized in that: described outer panel structure (6) is 50-60mm from top longeron (2) to the width breast beam (3), breast beam (3) is 80-100mm to maximum width between lower waist rail (5), and wall thickness is 3-4mm.
3. a kind of variable section punching press welding passenger vehicle gusset pillar construction according to claim 1, it is characterized in that: the high wide size in described U-shaped inner plate structure (7) cross section is than being 0.6-0.9, the smallest cross-sectional size is compared with largest cross-sectional sized, aspect ratio is 0.4-0.7, width is than being 0.4-0.7, and wall thickness is 3-4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310042181.XA CN103085887B (en) | 2013-02-03 | 2013-02-03 | Side wall vertical pillar structure of variable-cross-section passenger car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310042181.XA CN103085887B (en) | 2013-02-03 | 2013-02-03 | Side wall vertical pillar structure of variable-cross-section passenger car |
Publications (2)
| Publication Number | Publication Date |
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| CN103085887A true CN103085887A (en) | 2013-05-08 |
| CN103085887B CN103085887B (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310042181.XA Expired - Fee Related CN103085887B (en) | 2013-02-03 | 2013-02-03 | Side wall vertical pillar structure of variable-cross-section passenger car |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105172899A (en) * | 2015-09-28 | 2015-12-23 | 安徽安凯汽车股份有限公司 | Energy absorption window pillar assembly of passenger car |
| CN109318845A (en) * | 2018-10-15 | 2019-02-12 | 开沃新能源汽车集团有限公司 | A kind of car rollover occupant restraint device |
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| US5820204A (en) * | 1994-08-31 | 1998-10-13 | Fuji Jukogyo Kabushiki Kaisha | Body structure for a motor vehicle |
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| CN101665122A (en) * | 2009-09-24 | 2010-03-10 | 重庆长安汽车股份有限公司 | Center pillar assembly of sedan |
| US20100194146A1 (en) * | 2009-01-30 | 2010-08-05 | Mazda Motor Corporation | Side vehicle-body structure of vehicle |
| CN102198843A (en) * | 2010-03-23 | 2011-09-28 | 本田技研工业株式会社 | Vehicle side body structure |
| DE102012205528A1 (en) * | 2011-04-05 | 2012-10-11 | Ford Global Technologies, Llc | Vehicle roof support pillar |
| CN203142795U (en) * | 2013-02-03 | 2013-08-21 | 吉林大学 | Passenger car side wall pillar structure with variable cross-sections |
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2013
- 2013-02-03 CN CN201310042181.XA patent/CN103085887B/en not_active Expired - Fee Related
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5820204A (en) * | 1994-08-31 | 1998-10-13 | Fuji Jukogyo Kabushiki Kaisha | Body structure for a motor vehicle |
| JPH08216921A (en) * | 1995-02-10 | 1996-08-27 | Kanto Auto Works Ltd | Center pillar structure of automobile |
| JPH10175566A (en) * | 1996-12-17 | 1998-06-30 | Mitsubishi Motors Corp | Shock resisting structure for center pillar of automobile |
| JP2000142465A (en) * | 1998-11-06 | 2000-05-23 | Daihatsu Motor Co Ltd | Center pillar structure for car body of automobile |
| EP1205377A1 (en) * | 2000-11-14 | 2002-05-15 | Peugeot Citroen Automobiles SA | Automotive vehicle body side |
| CN101121420A (en) * | 2006-08-11 | 2008-02-13 | 上海华普汽车有限公司 | Car middle column |
| DE102006045494A1 (en) * | 2006-09-27 | 2008-04-03 | Bayerische Motoren Werke Ag | Body for a motor vehicle |
| US20100194146A1 (en) * | 2009-01-30 | 2010-08-05 | Mazda Motor Corporation | Side vehicle-body structure of vehicle |
| CN101665122A (en) * | 2009-09-24 | 2010-03-10 | 重庆长安汽车股份有限公司 | Center pillar assembly of sedan |
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| DE102012205528A1 (en) * | 2011-04-05 | 2012-10-11 | Ford Global Technologies, Llc | Vehicle roof support pillar |
| CN203142795U (en) * | 2013-02-03 | 2013-08-21 | 吉林大学 | Passenger car side wall pillar structure with variable cross-sections |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105172899A (en) * | 2015-09-28 | 2015-12-23 | 安徽安凯汽车股份有限公司 | Energy absorption window pillar assembly of passenger car |
| CN105172899B (en) * | 2015-09-28 | 2018-01-12 | 安徽安凯汽车股份有限公司 | Car energy-absorbing window pillar assembly |
| CN109318845A (en) * | 2018-10-15 | 2019-02-12 | 开沃新能源汽车集团有限公司 | A kind of car rollover occupant restraint device |
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| Publication number | Publication date |
|---|---|
| CN103085887B (en) | 2015-07-08 |
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