CN106627763A - Front longitudinal beam back section sealing structure and electric automobile containing same - Google Patents
Front longitudinal beam back section sealing structure and electric automobile containing same Download PDFInfo
- Publication number
- CN106627763A CN106627763A CN201611205696.7A CN201611205696A CN106627763A CN 106627763 A CN106627763 A CN 106627763A CN 201611205696 A CN201611205696 A CN 201611205696A CN 106627763 A CN106627763 A CN 106627763A
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- CN
- China
- Prior art keywords
- connecting portion
- portion part
- front longitudinal
- back segment
- longitudinal back
- Prior art date
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Classifications
-
- 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
-
- 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
- B60K1/00—Arrangement or mounting of electrical propulsion units
Abstract
The invention discloses a front longitudinal beam back section sealing structure and an electric automobile containing the same. The front longitudinal beam back section sealing structure comprises a front longitudinal beam back section body and further comprises a first connection component attached to one fragment of the front longitudinal beam back section body and provided with a transversely communicated notch, and a second connection component detachably assembled on the first connection component to seal the notch of the first connection component to form space for installations of other components. With a detachably connected split structure, space for assembling, detachment and motion of a transmission shaft is preserved and the overall strength of the front longitudinal beam can be guaranteed.
Description
Technical field
The present invention relates to a kind of automotive body structure part, in particulars relate to a kind of front longitudinal back segment enclosed construction.
The invention further relates to a kind of electric automobile for being provided with above-mentioned front longitudinal back segment enclosed construction.
Background technology
With the continuous progress of technology, the body structure and conventional fuel oil automobile of electric automobile have larger difference, with
The mode patched up toward on the body structure in fuel oil vehicle cannot meet increasingly strict collision and safety requirements.Pin
The body structure brand-new to the feature development of electric automobile, has been increasingly becoming a kind of trend.Front longitudinal is traditional body structure
In important bearing part, while when being also head-on crash energy-absorbing critical component, need to pay close attention in body structure design.
Electrokinetic cell is typically arranged in body platform bottom by current electric automobile, due to battery quality it is larger, the car load of electric automobile
Quality is generally larger than traditional fuel-engined vehicle.Meanwhile, electric automobile occurs due to being equipped with substantial amounts of high voltage parts, collision
When strongly to avoid high voltage parts（Especially drive battery）It is subjected to big impact.When this requires to design front longitudinal, both
Ensure that front portion there are enough energy-absorbing crumple spaces, also to ensure that longeron rear portion there will be enough support strengths, it is to avoid drive
Battery is destroyed.
At present the electric automobile front rail structure of main flow, in order to improve collision performance and bearing strength, generally adopts reduction
With the design of the relative altitude on floor.Although such front rail structure design improves collision performance, due to longeron position
It is relatively low, the installing space of front motor power transmission shaft can be occupied, cause front motor power transmission shaft installation difficulty or even cannot install.If
Power transmission shaft assembly space is cut out on longeron, longeron stress raisers when can cause to collide again greatly reduce touching for front longitudinal
Hit performance.And electric automobile is when realizing four-wheel drive function, the arrangement form of the general bi-motor using before and after, this requires design
A kind of simple structure, the front longitudinal form of good reliability, while collision energy-absorbing and front motor power transmission shaft assembly or disassembly can be taken into account
Requirement.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of front longitudinal, especially the hindfoot portion of front longitudinal, is ensureing
Height reduction on the premise of longeron intensity, between the front longitudinal back segment and body platform.
One side according to the present invention is front longitudinal back segment enclosed construction, and the front longitudinal back segment enclosed construction includes front vertical
Beam back segment body, also includes：
The first connecting portion part, the first connecting portion part is attached in a fragment of the front longitudinal back segment body, and is had
There is horizontal coconnected breach；And
Second connecting portion part, the second connecting portion part is removably assemblied in the first connecting portion part to close described the
The breach of one connection member is so as to forming the space for installing other parts.
The front longitudinal back segment of the present invention uses the split-type structural being detachably connected.By the first connecting portion part,
Two connection members are formed after back segment enclosed construction, have both left assembling, dismounting and the space of power transmission shaft, be in turn ensure that front vertical
The bulk strength of beam.Using the structure, the relative altitude between front longitudinal and body platform can fall too low, and improve front longitudinal
Collision performance.
Alternatively, in above-mentioned front longitudinal back segment enclosed construction, the bottom of the first connecting portion part is together with described front vertical
Beam back segment body is formed with the breach.The enclosed construction make use of the segment space of front longitudinal, so as to installing more compact and protecting
Intensity is demonstrate,proved.
Alternatively, in above-mentioned front longitudinal back segment enclosed construction, the front longitudinal back segment body and the first connecting portion
Part is to be welded to connect；The first connecting portion part and the second connecting portion part are bolt connection, the first connecting portion part with
Bolt through-hole is equipped with the second connecting portion part, realizes connecting by bolt.
Alternatively, in above-mentioned front longitudinal back segment enclosed construction, the first connecting portion part and the second connecting portion part
Between the bolt connection at least two at, wherein the first bolt connection be first direction on connection, the second bolt connection
It is the connection in the second direction of the first direction.
Alternatively, in above-mentioned front longitudinal back segment enclosed construction, the first direction is above-below direction, and described first
It is bolted to the relatively forward position of the front longitudinal back segment enclosed construction；The second direction is horizontal direction, and institute
State the second position rearward relatively for being bolted to the front longitudinal back segment enclosed construction.
The front longitudinal back segment enclosed construction of the present invention considers space layout and the positioning in multiple directions and connection, makes
Obtain second connecting portion part to be securely and easily installed in the first connecting portion part.
Alternatively, in above-mentioned front longitudinal back segment enclosed construction, the first connecting portion part and the second connecting portion part
Between be additionally provided with the first tooth guide frame, the first tooth guide frame includes the first lug boss and to be matched with described first convex
The depressed part in the portion of rising, first lug boss is arranged at the one of which of the first connecting portion part and the second connecting portion part
On, the depressed part is arranged in another one.
Alternatively, in above-mentioned front longitudinal back segment enclosed construction, the first connecting portion part and the second connecting portion part
Between be additionally provided with the second tooth guide frame, the second tooth guide frame includes the second lug boss and the second lug boss energy
Enough embedded constrictions, bolt through-hole is equipped with so that bolt is penetrated on second lug boss, the constriction, and described second
Lug boss is arranged in the first connecting portion part and the one of which of the second connecting portion part, and the constriction is formed at separately
On the laterally opposed both sides of one.
The protruding features of dentation are equipped with the composition the first connecting portion part of front longitudinal back segment, second connecting portion part, not only
Play a part of assembling to be oriented to, play a part of to strengthen longeron intensity again after engagement.
Alternatively, in above-mentioned front longitudinal back segment enclosed construction, multiple lightening holes are disposed with the first connecting portion part；
Lengthways of rod is set on the bottom of the second connecting portion part.
Alternatively, in above-mentioned front longitudinal back segment enclosed construction, be additionally provided with the second connecting portion part with it is described before
Longeron back segment body and the installing hole of fore sub frame connection, and be provided with for matching on the side of the second connecting portion part
The location hole of the front subframe tool.
Tool structure is devised on second connecting portion part, for coordinating front subframe tool, can be with fore sub frame together
Quickly position and be installed on vehicle body.
Another aspect according to the present invention is a kind of electric automobile, before the motor being arranged in front of the car and two
Longeron, between the front longitudinal, the front longitudinal has above-described front longitudinal back segment enclosed construction to the motor, by institute
Stating the space of the breach formation of the first connecting portion part is used to receive the power transmission shaft of the motor.
The electric automobile is ensureing not affecting collision performance and longeron as a result of new front longitudinal back segment enclosed construction
While intensity, the weight of longeron itself is reduced, while the convenience of transmission shaft assembling-disassembling has been taken into account, can by frock clamp
Realize quick positioning and dismounting.
By the way that below with reference to the detailed description of accompanying drawing, other aspects and features of the present invention become obvious.But should know
Road, the accompanying drawing is only the purpose design explained, not as the restriction of the scope of the present invention, this is because it should refer to
Appended claims.It should also be noted that accompanying drawing is merely intended to conceptually illustrate structure described herein and flow process, unless in addition
Point out, it is not necessary to scale accompanying drawing.
Description of the drawings
The detailed description of detailed description below is referred to reference to accompanying drawing, present invention will become more fully understood, in accompanying drawing
Same reference numbers refer to all the time element same in view.Wherein：
Fig. 1 is the decomposing schematic representation of one embodiment of front longitudinal back segment enclosed construction according to the present invention；
Fig. 2 is the schematic diagram of Section A-A in Fig. 1；
Fig. 3 is the structural representation of one embodiment of second connecting portion part in front longitudinal back segment enclosed construction according to the present invention
Figure；
Fig. 4 is the schematic diagram after front longitudinal back segment enclosed construction assembling according to the present invention；And
Fig. 5 is schematic diagram of the assembled front longitudinal back segment enclosed construction according to the present invention in vehicle body.
Specific embodiment
To help those skilled in the art definitely to understand claimed theme, below in conjunction with the accompanying drawings
Describe the specific embodiment of the present invention in detail.
It is the decomposing schematic representation of front longitudinal back segment enclosed construction according to the present invention referring to Fig. 1.The front longitudinal back segment closing
Structure includes front longitudinal back segment body 1, the first connecting portion part 2（Go up connection member）With second connecting portion part 3（Descend connecting portion
Part）.Front longitudinal back segment body 1 can be the long component by made by multiple thin-walled tubular metalworks, refer to section shown in Fig. 2.
Fig. 1 show the front longitudinal back segment body 1 of a fragment, and in the figure, left and right is to for longitudinally, relative to vehicle body, the left side is front
Side, the right is rear.The front longitudinal back segment body 1 for whole front longitudinal, be located at front longitudinal rear close to
The part of subframe.Front longitudinal back segment enclosed construction according to the present invention is arranged in a fragment of front longitudinal back segment.It is front vertical
Beam back segment body 1 is fixedly connected the first connecting portion part 2, and second connecting portion part 3 removably connects with the assembling of the first connecting portion part 2
Connect.According to the moulding of the first connecting portion part 2, the breach that shape is set is cut out on front longitudinal back segment body 1, to facilitate attachment
One connection member 2.Front longitudinal back segment body 1 is to be welded to connect with the first connecting portion part 2.On the bottom of the first connecting portion part 2
Breach 21 is provided with, other parts that the breach 21 is used near front longitudinal back segment are passed through.Indulge before the first connecting portion part 2 is welded in
After on beam back segment body 1, Open Side Down for the breach 21, forms the space 4 of transversely insertion, and this is vertical before being laterally basically perpendicular to
The longitudinal direction that beam is followed.It is bolt connection between the first connecting portion part 2 and second connecting portion part 3.The first connecting portion part 2 and second
Bolt through-hole 27,28,37 is equipped with connection member 3（Fig. 3）、38.By bolt, second connecting portion part 3 can be anchored on
In one connection member 2.After second connecting portion part 3 is connected in the first connecting portion part 2, the first connecting portion part 2 can be closed
Breach 21, the breach 21 is so as to forming the space 4 for installing other parts（May refer to Fig. 4-5）.
The front longitudinal back segment of the present invention is no longer welded formula structure, but adopts the split type knot being detachably connected
Structure.Formed after back segment enclosed construction by upper and lower two connection members, assembling, dismounting and the motion for both having left power transmission shaft 71 is empty
Between, in turn ensure that the bulk strength of front longitudinal.
Return to and with reference to Fig. 1 and Fig. 3, the bolt connection between the first connecting portion part 2 and second connecting portion part 3 at least two
Place.Wherein the first bolt connection 5 is on first direction z, the connection i.e. on above-below direction, and it is in the forward position of whole enclosed construction
Put.Second bolt connection 6 is in second direction y, connection i.e. transversely, and it is in the position rearward of whole enclosed construction.Second
Direction y is basically perpendicular to first direction z.The first bolt connection 5 in forward position arrangement above-below direction, in position arrangement rearward
The second horizontal bolt connection 6 meets front longitudinal self structure and is conducive to save space.For the first bolt connection 5, the
The bottom of one connection member 2 sets bolt through-hole 27, and bolt through-hole 37 is correspondingly set on second connecting portion part 3, from bolt from it is lower to
On sequentially pass through after second connecting portion part 3, the first connecting portion part 2 fasten.Number, aperture, position of bolt through-hole 27,37 etc. are all
By size design and Strength co-mputation, the mode that two that it can be as shown in Figure 1, Figure 3 bolt through-hole 37 staggers is arranged, and also may be used
To there is other arrangements.For the second bolt connection 6, bolt through-hole 28 is respectively set in the opposite sides of the first connecting portion part 2,
Second connecting portion part 3 sets in the localities bolt through-hole 38 accordingly, and bolt transversely sequentially passes through and fastened to form second
Bolt connection 6（Referring to the lower section of Fig. 2）.
Be additionally provided with tooth guide frame between the first connecting portion part 2, second connecting portion part 3, including the first tooth guide frame and
Second tooth guide frame.First tooth guide frame includes two the first lug bosses 22 arranged on the bottom of the first connecting portion part 2
And two depressed parts 32 for correspondingly arranging on second connecting portion part 3, it is recessed that two the first lug bosses 22 can be inserted into two correspondences
In sunken portion 32.First lug boss 22 is profile of tooth.First tooth guide frame does not only have the effect being oriented to, and the engagement of tooth is also acted as
Strengthen the effect of intensity.Those skilled in the art can conceivable be, it is also possible to depressed part is set in the first connecting portion part 2 and
First lug boss is set on second connecting portion part 3, the double action being oriented to intensity can be equally obtained.
Second tooth guide frame includes the second lug boss 31 and the first connecting portion part 2 arranged on second connecting portion part 3
The constriction 24 that laterally opposed both sides are formed, the second lug boss 31 can be embedded in two constrictions 24.Second lug boss 31 is tool
There is certain thickness profile of tooth.Between the embedded constraint portion 24 of second lug boss 31, guide effect was both played, and the presence of tooth also adds
Strong intensity.Second bolt connection 6 is integrated on the second tooth guide frame.Second lug boss 31 is provided with elongated bolt through-hole
38, two constrictions 24 are provided with bolt through-hole 28, after being installed in place between the embedded constraint portion 24 of the second lug boss 31, bolt
These bolt through-holes 28,38 are sequentially passed through, fastening is realized.Those skilled in the art can conceivable be, it is also possible to connect first
Second lug boss is set on relay part 2, constriction is set on second connecting portion part 3, or arrange in the first connecting portion part 2
Three constrictions, arrange two the second lug bosses to be respectively embedded into two-by-two between constriction to reach on second connecting portion part 3
Above-mentioned identical is oriented to and installation effect.
Several lightening holes 26 can be suitably arranged on the surface of the first connecting portion part 2（Referring to Fig. 1）, second connecting portion part
3 bottom is provided with one to a plurality of lengthways of rod 36 to strengthen intensity in this direction（Referring to the lower section of Fig. 2）.
The tool structure for facilitating other parts to install is additionally provided with second connecting portion part 3.With continued reference to Fig. 3, the second connection
The installing hole 34 being connected with front longitudinal back segment body 1 and fore sub frame is provided with the rear position of part 3, fore sub frame passes through
The installing hole 34 is installed on front longitudinal back segment body 1.
Two location holes 35 for matching front subframe tool fixture are additionally provided with the side of second connecting portion part 3, such as
Shown in Fig. 3.
The process that front longitudinal back segment enclosed construction according to the present invention is installed on vehicle body is as follows：
The perforate on front longitudinal back segment body 1, the first connecting portion part 2 is matched substantially with the hole, before being fixed on using welding manner
On longeron back segment body 1.Now the down gap of front longitudinal back segment body 1 is unclosed, for completing the dress of the power transmission shaft 71 of motor 7
Match somebody with somebody.
The power transmission shaft 71 of motor 7 is passed through into untight breach.
Second connecting portion part 3 is provided with installing hole and location hole, to position and match fore sub frame and its frock, currently
When subframe and vehicle body are attached together, second connecting portion part 3 can quickly position together and be installed to design attitude with fore sub frame.
Second connecting portion part 3 is quickly installed to by first connecting portion by the first tooth guide frame, the second tooth guide frame
On part 2.Specifically, by the depressed part of the first lug boss insertion second connecting portion part 3 of the first connecting portion part 2, first connects
The second lug boss of second connecting portion part 3, and their bolt through-hole alignment are inserted between the constriction of part 2.
Bolt is screwed in each bolt through-hole of the first connecting portion part 2, second connecting portion part 3, and pair car before installing
The bolt of frame is screwed into.
After second connecting portion part 3 is installed in the first connecting portion part 2, front longitudinal back segment forms enclosed construction, referring to figure
4-5.The space 4 that the power transmission shaft 71 of motor 7 is passed through is closing space, and the enclosed construction strengthens the intensity of front longitudinal.
Such scheme, the height between front longitudinal back segment and floor 8 is reduced, and can ensure not affecting front longitudinal to touch
While hitting performance, mitigate longeron weight, it is ensured that the assembly space of the power transmission shaft 71 of front motor 7, overall assembling process is simple, dimension
Repair that convenient disassembly is good, reduce further production and the cost during after-sales service.
Introduce for convenience, " vertical ", " horizontal stroke " mentioned in the application, " on ", D score, "front", "rear", " both sides " etc. represent
The term in orientation refers to direction of the front longitudinal back segment enclosed construction according to the present invention in vehicle body.But, above-mentioned orientation art
Language is intended only to facilitate description, and those skilled in the art can conceivable be, for the description of the front longitudinal of vehicle can not be limited
In above-mentioned directional terminology.In three dimensions, these directional terminologies can change.
Although being illustrated in detail in and having described the specific embodiment of the present invention to illustrate principle of the invention, it should be understood that
, the present invention can be with embodied in other without deviating from such principle.
Claims (10)
1. a kind of front longitudinal back segment enclosed construction, including front longitudinal back segment body（1）, it is characterized in that also including：
The first connecting portion part（2）, the first connecting portion part（2）Attach to the front longitudinal back segment body（1）A fragment
On, and with horizontal coconnected breach（21）；And
Second connecting portion part（3）, the second connecting portion part（3）Removably it is assemblied in the first connecting portion part（2）On with
Close the first connecting portion part（2）Breach（21）So as to form the space for installing other parts（4）.
2. front longitudinal back segment enclosed construction according to claim 1, is characterized in that：The first connecting portion part（2）Bottom
Portion is together with the front longitudinal back segment body（1）Form the breach（21）.
3. front longitudinal back segment enclosed construction according to claim 1 and 2, is characterized in that：The front longitudinal back segment body（1）
With the first connecting portion part（2）To be welded to connect；The first connecting portion part（2）With the second connecting portion part（3）For spiral shell
Tether and connect, the first connecting portion part（2）With the second connecting portion part（3）On be equipped with bolt through-hole（27,28,37,38）,
Realize connecting by bolt.
4. front longitudinal back segment enclosed construction according to claim 3, is characterized in that：The first connecting portion part（2）With institute
State second connecting portion part（3）Between the bolt connection at least two at, wherein the first bolt connection（5）For first direction
（z）On connection, the second bolt connection（6）It is perpendicular to the first direction（z）Second direction（y）On connection.
5. front longitudinal back segment enclosed construction according to claim 4, is characterized in that：The first direction（z）For upper and lower
To, and first bolt connection（5）In the relatively forward position of the front longitudinal back segment enclosed construction；The second direction
（y）For horizontal direction, and second bolt connection（6）In the position rearward relatively of the front longitudinal back segment enclosed construction.
6. front longitudinal back segment enclosed construction according to claim 3, is characterized in that：The first connecting portion part（2）With institute
State second connecting portion part（3）Between be additionally provided with the first tooth guide frame, the first tooth guide frame includes the first lug boss
（22）Be matched with first lug boss（22）Depressed part（32）, first lug boss（22）It is arranged at described first to connect
Relay part（2）With the second connecting portion part（3）One of which on, the depressed part（32）It is arranged in another one.
7. front longitudinal back segment enclosed construction according to claim 3, is characterized in that：The first connecting portion part（2）With institute
State second connecting portion part（3）Between be additionally provided with the second tooth guide frame, the second tooth guide frame includes the second lug boss
（31）With second lug boss（31）The constriction that can be embedded in（24）, second lug boss（31）, the constriction
（24）On be equipped with bolt through-hole（28、38）So that bolt is penetrated, second lug boss（31）It is arranged at first connection
Part（2）With the second connecting portion part（3）One of which on, the constriction（24）It is formed at the laterally opposed of another one
On both sides.
8. front longitudinal back segment enclosed construction according to claim 3, is characterized in that：The first connecting portion part（2）Upper cloth
It is equipped with multiple lightening holes（26）；The second connecting portion part（3）Bottom on lengthways of rod is set（36）.
9. front longitudinal back segment enclosed construction according to claim 3, is characterized in that：The second connecting portion part（3）It is upper to go back
It is provided with and the front longitudinal back segment body（1）With the installing hole of fore sub frame connection（34）, and in the second connecting portion
Part（3）Side be provided with location hole for matching the front subframe tool（35）.
10. a kind of electric automobile, including the motor being arranged in front of the car（7）And two front longitudinals, the motor（7）Institute
State between front longitudinal, it is characterized in that：The front longitudinal has the front longitudinal back segment according to any one of claim 1-9
Enclosed construction, by the first connecting portion part（2）Breach（21）The space of formation（4）For receiving the motor（7）Power transmission shaft
（71）.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611205696.7A CN106627763B (en) | 2016-12-23 | 2016-12-23 | Front longitudinal beam rear section enclosed construction and electric automobile including same |
| PCT/CN2017/117962 WO2018113772A1 (en) | 2016-12-23 | 2017-12-22 | Vehicle and front longitudinal beam thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611205696.7A CN106627763B (en) | 2016-12-23 | 2016-12-23 | Front longitudinal beam rear section enclosed construction and electric automobile including same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106627763A true CN106627763A (en) | 2017-05-10 |
| CN106627763B CN106627763B (en) | 2023-09-29 |
Family
ID=58828019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611205696.7A Active CN106627763B (en) | 2016-12-23 | 2016-12-23 | Front longitudinal beam rear section enclosed construction and electric automobile including same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106627763B (en) |
Cited By (3)
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| WO2018113772A1 (en) * | 2016-12-23 | 2018-06-28 | 上海蔚来汽车有限公司 | Vehicle and front longitudinal beam thereof |
| WO2018184313A1 (en) * | 2017-04-07 | 2018-10-11 | 上海蔚来汽车有限公司 | Lower front longitudinal beam assembly, and vehicle comprising same |
| CN109808771A (en) * | 2017-11-20 | 2019-05-28 | 上海汽车集团股份有限公司 | A kind of vehicle, subframe mount structure and its design method |
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| WO2018184313A1 (en) * | 2017-04-07 | 2018-10-11 | 上海蔚来汽车有限公司 | Lower front longitudinal beam assembly, and vehicle comprising same |
| CN109808771A (en) * | 2017-11-20 | 2019-05-28 | 上海汽车集团股份有限公司 | A kind of vehicle, subframe mount structure and its design method |
| CN109808771B (en) * | 2017-11-20 | 2020-09-29 | 上海汽车集团股份有限公司 | Vehicle, auxiliary frame mounting structure and design method thereof |
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| CN106627763B (en) | 2023-09-29 |
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