CN105905161B - A kind of vehicle body side structure for increasing engine mounting Y-direction dynamic stiffness - Google Patents
A kind of vehicle body side structure for increasing engine mounting Y-direction dynamic stiffness Download PDFInfo
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- CN105905161B CN105905161B CN201610448517.6A CN201610448517A CN105905161B CN 105905161 B CN105905161 B CN 105905161B CN 201610448517 A CN201610448517 A CN 201610448517A CN 105905161 B CN105905161 B CN 105905161B
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- Prior art keywords
- wheel cover
- plate
- longeron
- suspension
- vehicle body
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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
- B62D21/09—Means for mounting load bearing surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
- B60K5/12—Arrangement of engine supports
Abstract
A kind of vehicle body side structure for increasing engine mounting Y-direction dynamic stiffness is claimed in the present invention, including suspending right side bodies structure, suspend left side body structure, longeron connecting plate, the suspension right side bodies structure includes longitudinal-beam web plate B, right side mounting bracket, beater or beat-up backplate, right side Wheelhouse panel and riser, the suspension left side body structure includes longitudinal-beam web plate A, beater or beat-up backplate, left side mounting bracket and left side Wheelhouse panel, the suspension right side bodies structure and suspension left side body structure are both provided with the wheel cover reinforcing plate for strengthening coupling stiffness, the wheel cover reinforcing plate is arranged between beater or beat-up backplate and right side Wheelhouse panel；The wheel cover reinforcing plate is also provided between beater or beat-up backplate and left side Wheelhouse panel.
Description
Technical field
The invention belongs to automobile technical field, is specifically a kind of vehicle body side structure for increasing engine mounting Y-direction dynamic stiffness.
Background technology
Suspension is for reducing and controlling the transmission of engine luggine, and plays the automobile power assembly part of supporting role,
Applied in current auto industry, widely used suspension is divided into traditional pure glue suspension, and the liquid of dynamic and static better performances
Hydraulic suspension.
The ability of the dynamic stiffness resistance to deformation that is structure under dynamic disturbance, the malformation of unit excitation in 20-200Hz
Ability.Engine mounting Y-direction dynamic stiffness is the main Impact direction of engine, and particularly low and middle-end car is due to the original of engine itself
Cause, Y-direction dynamic stiffness is especially small at suspension, tends not to meet design requirement, serious consequence is caused in accident, to life and wealth
Production causes serious consequence.In view of the deficiencies of the prior art, the present invention proposes a kind of vehicle body for increasing engine mounting Y-direction dynamic stiffness
The arrangement of side structure and this kind of structure.
The content of the invention
In order to solve above the deficiencies in the prior art, the present invention proposes a kind of enhancing engine mounting Y-direction dynamic stiffness
Vehicle body side structure.Technical scheme is as follows：
A kind of vehicle body side structure for increasing engine mounting Y-direction dynamic stiffness, including suspension right side bodies structure, suspension left side
Body structure, longeron connecting plate, the suspension right side bodies structure includes longitudinal-beam web plate B, right side mounting bracket, for installation before
Beater or beat-up backplate, right side Wheelhouse panel and the riser for carrying and fixing front suspension gun turret of nacelle engine, the suspension are left
Side body structure includes longitudinal-beam web plate A, beater or beat-up backplate, left side mounting bracket and left side Wheelhouse panel, the suspension right side bodies
Structure and suspension left side body structure are both provided with the wheel cover reinforcing plate for strengthening coupling stiffness, and the wheel cover reinforcing plate is set
Between beater or beat-up backplate and right side Wheelhouse panel；The wheel cover reinforcing plate be also provided at beater or beat-up backplate and left side Wheelhouse panel it
Between.
Further, the wheel cover reinforcing plate uses stamping parts, thickness 1.4mm；The beater or beat-up backplate is thickness
The sheet metal component of 0.6mm, the right side Wheelhouse panel are thickness 1.2mm, and longitudinal-beam web plate A is 1.6mm, and longitudinal-beam web plate B is 1.0mm.
Further, the lower part of the right side Wheelhouse panel and left side Wheelhouse panel is additionally provided with longeron connecting plate, the longeron
Connecting plate is arranged in the lower part of front panel, the downside of left and right wheel house, plays connection Wheelhouse panel, front panel, left-right longeron
Effect, suppresses the suspension Y-direction play caused by longeron by suppressing the play of longeron root and wheel house.
Further, the longeron connection plate thickness is 1.2mm, and connecting plate intermediate region is risen prominent to longeron front portion direction
Platform, connecting plate are not less than 100mm with the longeron lap-joint lap of splice.
Further, the air chamber upper plate for suppressing suspension Y-direction play, air chamber are provided with below the longeron connecting plate
Upper plate is connected with windscreen bottom end rail, and windscreen bottom end rail is with air chamber upper plate by left and right Wheelhouse panel and in air chamber upper plate or so
Both ends, three middle bending stents are connected.
Further, the bending backing thickness 1.6mm, windscreen bottom end rail curved-surface structure central angle is 60 degree, under windscreen
Beam thickness 0.8mm.
Further, the right side Wheelhouse panel, left side Wheelhouse panel composition wheel house, wheel house are connected with wheel cover big gun
Tower, wheel cover gun turret connecting plate, the wheel cover gun turret connecting plate are also associated with wheel cover connection board, the wheel cover gun turret, wheel cover big gun
Tower connecting plate and wheel cover connection board form overlap joint closed area, suppress wheel house and the play of wheel cover connection board Y-direction.
Further, the wheel cover gun turret connecting plate overlaps completely with wheel cover gun turret upper surface, with wheel cover riser connecting plate
Overlapping regions is not less than 200mm.
Further, the longeron has asymmetric internal structure, i.e., described arranged on left and right sides longitudinal beam structure is asymmetric, right
Without reinforcing plate inside side girder web, and not with longeron top mounting bracket formed overlap, left-hand stringer compared with right-hand stringer,
Two-part reinforcing plate before and after left-hand stringer increase longeron, and three layers of welding are carried out with reinforcing plate in mounting bracket upper end.
Advantages of the present invention and have the beneficial effect that：
The present invention, wheel cover reinforcing plate (7) are to increase the Y-direction rigidity of vehicle body by connecting suspension gun turret and preposition beam, wheel
Cover reinforcing plate (7) uses stamping parts, mainly by the connector on vehicle body increase overlapping area, enhancing vehicle body local stiffness,
Strengthen the modes such as vehicle body Y-direction connection, reach effect.
Brief description of the drawings
Fig. 1 is that the present invention provides preferred embodiment suspension right side bodies structure diagram；
Fig. 2 is that the present invention provides preferred embodiment suspension right side bodies reinforcement partial structural diagram；
Fig. 3 is that the present invention provides preferred embodiment suspension left side body structure schematic diagram；
Fig. 4 is that the present invention provides preferred embodiment longeron connecting board structure and arrangement schematic diagram；
Fig. 5 is that the present invention provides preferred embodiment wheel cover position attachment structure schematic diagram；
Fig. 6 is that the present invention provides preferred embodiment windscreen lower cross plate and harden structure on air chamber；
Fig. 7 is that the present invention provides preferred embodiment windscreen lower cross plate and air chamber upper plate structure partial figure；
Fig. 8 is that the present invention provides preferred embodiment body structure structure diagram；
Embodiment
Below in conjunction with attached drawing, the invention will be further described：
As shown in Figure 1, a kind of vehicle body side structure for increasing engine mounting Y-direction dynamic stiffness, including suspension right side bodies knot
Structure, suspension left side body structure, longeron connecting plate, the suspension right side bodies structure include longitudinal-beam web plate B 2, right side suspension branch
Frame 3, beater or beat-up backplate 4, right side Wheelhouse panel 5 and riser 6, the suspension left side body structure include longitudinal-beam web plate A 1, beater or beat-up
Backplate 4, left side mounting bracket 8 and left side Wheelhouse panel 9, the suspension right side bodies structure and suspension left side body structure are respectively provided with
It is useful for strengthening the wheel cover reinforcing plate 7 of coupling stiffness, Fig. 2 strengthens partial structurtes, the wheel cover reinforcing plate 7 for suspension right side bodies
It is arranged between beater or beat-up backplate 4 and right side Wheelhouse panel 5；The wheel cover reinforcing plate 7 is also provided at beater or beat-up backplate 4 and left side wheels
Between cover plate 9.Wheel cover reinforcing plate 7 is effectively connected absolute construction between beater or beat-up backplate 4 and right side Wheelhouse panel 5, increase
Local stiffness.Wherein mounting bracket, right side mounting bracket are main stressed member on the left of component.Left side body structure is suspended as schemed
Shown in 3,
Preferably, the wheel cover reinforcing plate 7 uses stamping parts, thickness 1.4mm；The beater or beat-up backplate 4 is thickness
The sheet metal component of 0.6mm, the right side Wheelhouse panel 5 are thickness 1.2mm, and longitudinal-beam web plate A is 1.6mm, and longitudinal-beam web plate B is 1.0mm.
Longeron connecting board structure and its arrangement are as shown in Figure 4, it is preferred that the right side Wheelhouse panel 5 and left side wheel cover
The lower part of plate 9 is additionally provided with longeron connecting plate 10, and the longeron connecting plate 10 is arranged in the lower part of front panel, left and right wheel house
Downside, play the role of connecting Wheelhouse panel, front panel, left-right longeron, by suppressing altering for longeron root and wheel house
Move to suppress the suspension Y-direction play caused by longeron, inside can arrange reinforcing plate；
Preferably, 10 thickness of longeron connecting plate is 1.2mm, and connecting plate intermediate region is risen prominent to longeron front portion direction
Platform, connecting plate are not less than 100mm with the longeron lap-joint lap of splice；On harden structure is formed on the air chamber of longeron connecting board structure domain
Lower two sheet metal structurals for suppressing suspension Y-direction play
Preferably, the lower section of the longeron connecting plate 10 is provided with the air chamber upper plate 17 for suppressing suspension Y-direction play, air
Room upper plate 17 is connected with windscreen bottom end rail 16, and windscreen bottom end rail 16 is with air chamber upper plate 17 by left and right Wheelhouse panel and in air
Room upper plate left and right ends, three middle bending stents are connected.
Windscreen bottom end rail is with harden structure and arrangement on air chamber as shown in fig. 6, by horizontal under right side A columns riser, windscreen
The structure compositions such as beam, air chamber upper plate, left side A column risers, its partial structurtes is as shown in fig. 7, wherein windscreen bottom end rail is stood with A columns
Plate is connected while unicom or so wheel cover gun turret connection board, and the cross section of its wind direction bottom end rail and its arrangement radian indulge vehicle body
Beam and suspension dynamic stiffness have certain influence, its partial structurtes as shown in fig. 7,
Preferably, the bending backing thickness is 1.6mm, and windscreen bottom end rail curved-surface structure central angle is 60 degree, under windscreen
Beam thickness 0.8mm.The cross section of windscreen bottom end rail and crooked radian make the Y-direction play of longeron root by suppressing well
With the mounting bracket Y-direction dynamic stiffness at beater or beat-up backplate connected also for longeron has certain effect, and thickness is thicker, windscreen
Bottom end rail sheet metal component structure groove surfaces pattern muscle is more, more obvious to dynamic stiffness impact effect.
Wheel cover position connection structure and its arrangement are as shown in Figure 5, it is preferred that the right side Wheelhouse panel 5, left side wheel cover
Plate 9 forms wheel house 11, and wheel house 11 is connected with wheel cover gun turret 12, wheel cover gun turret connecting plate 13, and the wheel cover gun turret connects
Fishplate bar 13 is also associated with wheel cover connection board 14, the wheel cover gun turret 12, wheel cover gun turret connecting plate 13 and wheel cover connection board 14
Overlap joint closed area is formed, suppresses wheel house and the play of wheel cover connection board Y-direction.
Preferably, the wheel cover gun turret connecting plate 13 overlaps completely with 12 upper surface of wheel cover gun turret, is connected with wheel cover riser
Plate overlapping regions is not less than 200mm.
Body structure structure relevant with engine mounting Y-direction dynamic stiffness and its arrangement are as shown in figure 8, left by 1-1
Wheel house 17- air chamber upper plate 16- windscreen bottom end rail 5- right-hand wheel hood guards on the left of mounting bracket 4- on the left of side girder web 8-
The structure composition such as mounting bracket 1-2- right-hand stringer backplates on the right side of beater or beat-up backplate 3- on the right side of plate 21-, wherein longeron influence suspension Y
To the foundation of dynamic stiffness, as longitudinal beam structure is weak, then dynamic stiffness is weak, the attachment section that longeron, beater or beat-up backplate, wheel house are formed
Domain, the principal element for influencing to suspend Y-direction dynamic stiffness is local overlap joint and local stiffness, is usually increased at the back side of beater or beat-up backplate
One vertical muscle strengthens local stiffness, and air chamber upper plate and windscreen bottom end rail mainly increase Y-direction rigidity at the wheel cover gun turret of left and right, indulges
Connecting plate mainly strengthens Y-direction and local stiffness at longeron root and wheel house at beam.
Power assembly drive end suspension arrangement structure
Power assembly drive end suspension arrangement structure is by mounting bracket, engine body, exhaust manifold, change on the right side of drive end
Mounting bracket composition on the left of fast case body, drive end, wherein influencing the component of body side suspension dynamic stiffness on the right side of 1- drive ends
Mounting bracket on the left of mounting bracket and 5- drive ends, structure are generally cast aluminium or cast-iron structure, right side mounting bracket drive end
It is connected by suspending with body side Partner mounting bracket, mounting bracket, drive end left side mounting bracket on the right side of component drive end
More than the structural requirement Constrained mode 600Hz at place.
The above embodiment is interpreted as being merely to illustrate the present invention rather than limits the scope of the invention.
After the content for having read the record of the present invention, technical staff can make various changes or modifications the present invention, these equivalent changes
Change and modification equally falls into the scope of the claims in the present invention.
Claims (8)
1. a kind of vehicle body side structure for increasing engine mounting Y-direction dynamic stiffness, including suspension right side bodies structure, suspension left side car
Body structure, longeron connecting plate, the suspension right side bodies structure include longitudinal-beam web plate B (2), right side mounting bracket (3), are used for
The beater or beat-up backplate (4) of forward engine room engine, right side Wheelhouse panel (5) are installed and for carrying and fix standing for front suspension gun turret
Plate (6), the suspension left side body structure include longitudinal-beam web plate A (1), beater or beat-up backplate (4), left side mounting bracket (8) and a left side
Side wheel cover plate (9), it is characterised in that：The suspension right side bodies structure and suspension left side body structure are both provided with for strengthening
The wheel cover reinforcing plate (7) of vehicle body coupling stiffness, the wheel cover reinforcing plate (7) are arranged at beater or beat-up backplate (4) and right side Wheelhouse panel
(5) between；The wheel cover reinforcing plate (7) is also provided between beater or beat-up backplate (4) and left side Wheelhouse panel (9), wheel cover reinforcing plate
(7) it is to increase the Y-direction rigidity of vehicle body by connecting suspension gun turret and preposition beam, wheel cover reinforcing plate (7) uses stamping parts；It is described
The lower part of right side Wheelhouse panel (5) and left side Wheelhouse panel (9) is additionally provided with longeron connecting plate (10), longeron connecting plate (10) cloth
Put in the lower part of front panel, the downside of left and right wheel house, play the role of connecting Wheelhouse panel, front panel, left-right longeron, pass through
Suppress the play of longeron root and wheel house to suppress the suspension Y-direction play caused by longeron.
A kind of 2. vehicle body side structure for increasing engine mounting Y-direction dynamic stiffness according to claim 1, it is characterised in that：
The wheel cover reinforcing plate (7) uses stamping parts, thickness 1.4mm；The beater or beat-up backplate (4) is the sheet metal component of thickness 0.6mm,
The right side Wheelhouse panel (5) is thickness 1.2mm, and longitudinal-beam web plate A is 1.6mm, and longitudinal-beam web plate B is 1.0mm.
A kind of 3. vehicle body side structure for increasing engine mounting Y-direction dynamic stiffness according to claim 1, it is characterised in that：
Longeron connecting plate (10) thickness is 1.2mm, and convex, connecting plate and longeron are played in connecting plate intermediate region to longeron front portion direction
Lap-joint's lap of splice is not less than 100mm.
A kind of 4. vehicle body side structure for increasing engine mounting Y-direction dynamic stiffness according to claim 3, it is characterised in that：
The air chamber upper plate (17) for suppressing suspension Y-direction play, air chamber upper plate (17) are provided with below the longeron connecting plate (10)
Windscreen bottom end rail (16) is connected with, windscreen bottom end rail (16) is with air chamber upper plate (17) by left and right Wheelhouse panel and in air chamber
Upper plate left and right ends, three middle bending stents are connected.
A kind of 5. vehicle body side structure for increasing engine mounting Y-direction dynamic stiffness according to claim 4, it is characterised in that：
The bending backing thickness is 1.6mm, and windscreen bottom end rail curved-surface structure central angle is 60 degree, windscreen bottom end rail thickness 0.8mm.
A kind of 6. vehicle body side structure for increasing engine mounting Y-direction dynamic stiffness according to claim 4, it is characterised in that：
The right side Wheelhouse panel (5), left side Wheelhouse panel (9) composition wheel house (11), wheel house (11) are connected with wheel cover gun turret
(12), wheel cover gun turret connecting plate (13), the wheel cover gun turret connecting plate (13) are also associated with wheel cover connection board (14), the wheel
Cover gun turret (12), wheel cover gun turret connecting plate (13) and wheel cover connection board (14) form overlap joint closed area, suppress wheel house
And the play of wheel cover connection board Y-direction.
A kind of 7. vehicle body side structure for increasing engine mounting Y-direction dynamic stiffness according to claim 6, it is characterised in that：
The wheel cover gun turret connecting plate (13) overlaps completely with wheel cover gun turret (12) upper surface, with wheel cover riser connecting plate overlapping regions not
Less than 200mm.
A kind of 8. vehicle body side structure for increasing engine mounting Y-direction dynamic stiffness according to claim 1, it is characterised in that：
The longeron is with asymmetric internal structure, i.e., described arranged on left and right sides longitudinal beam structure is asymmetric, and nothing adds inside right-hand stringer web
Strong plate, and do not formed and overlapped with longeron top mounting bracket, left-hand stringer is compared with right-hand stringer, before left-hand stringer increase longeron
Two-part reinforcing plate afterwards, and three layers of welding are carried out with reinforcing plate in mounting bracket upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610448517.6A CN105905161B (en) | 2016-06-21 | 2016-06-21 | A kind of vehicle body side structure for increasing engine mounting Y-direction dynamic stiffness |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610448517.6A CN105905161B (en) | 2016-06-21 | 2016-06-21 | A kind of vehicle body side structure for increasing engine mounting Y-direction dynamic stiffness |
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| Publication Number | Publication Date |
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| CN105905161A CN105905161A (en) | 2016-08-31 |
| CN105905161B true CN105905161B (en) | 2018-04-24 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109204494B (en) * | 2017-06-30 | 2022-02-08 | 比亚迪股份有限公司 | Vehicle body structure and vehicle |
| JP6801601B2 (en) * | 2017-07-31 | 2020-12-16 | トヨタ自動車株式会社 | Vehicle front structure |
| CN108583691A (en) * | 2018-04-03 | 2018-09-28 | 南京天河汽车零部件股份有限公司 | Left front wheel cover assembly |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203854745U (en) * | 2013-12-18 | 2014-10-01 | 奇瑞汽车股份有限公司 | Gutter channel assembly for sedan |
| CN204095914U (en) * | 2014-09-05 | 2015-01-14 | 北汽福田汽车股份有限公司 | Rear wheel cover stiffening device and there is the vehicle of this rear wheel cover stiffening device |
| CN205737708U (en) * | 2016-06-21 | 2016-11-30 | 中国汽车工程研究院股份有限公司 | A kind of body side structure increasing engine mounting Y-direction dynamic stiffness |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101438633B1 (en) * | 2013-09-11 | 2014-09-05 | 기아자동차 주식회사 | Mounting structure of member for vehicle |
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2016
- 2016-06-21 CN CN201610448517.6A patent/CN105905161B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203854745U (en) * | 2013-12-18 | 2014-10-01 | 奇瑞汽车股份有限公司 | Gutter channel assembly for sedan |
| CN204095914U (en) * | 2014-09-05 | 2015-01-14 | 北汽福田汽车股份有限公司 | Rear wheel cover stiffening device and there is the vehicle of this rear wheel cover stiffening device |
| CN205737708U (en) * | 2016-06-21 | 2016-11-30 | 中国汽车工程研究院股份有限公司 | A kind of body side structure increasing engine mounting Y-direction dynamic stiffness |
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