CN106553520B - Back suspension device of engine composite module and automobile front subframe assembly - Google Patents
Back suspension device of engine composite module and automobile front subframe assembly Download PDFInfo
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- CN106553520B CN106553520B CN201510627219.9A CN201510627219A CN106553520B CN 106553520 B CN106553520 B CN 106553520B CN 201510627219 A CN201510627219 A CN 201510627219A CN 106553520 B CN106553520 B CN 106553520B
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Abstract
The present invention provides a kind of back suspension device of engine composite module and automobile front subframe assembly, back suspension device of engine composite module includes the module body of the bikini rear-suspending and four-point rear-suspending overlapping region for the rear cross beam of automobile front subframe to be arranged in；The first connecting portion that can be connect with bikini back suspension device of engine pull rod, the first connecting portion is for being arranged in the module body；The second connecting portion that can be connect with four-point rear suspension support for engine, the second connecting portion is for being arranged in the module body.Back suspension device of engine composite module of the invention is used to be arranged in the bikini rear-suspending of rear cross beam and the overlapping region of four-point rear-suspending, the composite module realizes the rear-suspending that can match four-point suspension engine using first connecting portion, realize the rear-suspending that can match bikini suspension engine again using second connecting portion, to avoid developing whole fore sub frame again, development cycle and development cost are thereby reduced.
Description
Technical field
The present invention relates to automobile production manufacturing technology field, in particular to a kind of back suspension device of engine composite module and one kind
Automobile front subframe assembly with above-mentioned back suspension device of engine composite module.
Background technique
In automotive system, the power assembly including engine, clutch and gearbox composition is mounted on by mounting bracket
On automobile chassis, mounting bracket has good vibration isolation effect, can reduce vibration and impact from engine and reduce
Vibration and impact from road surface.
For the automobile of engine behind front wheel, two suspension points of engine or so are arranged on vehicle body, forward and backward suspension point
It is arranged on fore sub frame assembly.Engine is divided into bikini and four-point by the quantity of suspension, and bikini suspends general ratio four
Point type lacks a front-suspension, and its rear-suspending is mostly pull rod.The movement biddability of bikini suspension is best, because 3 points determine one
A plane, is not influenced by frame distortion, and intrinsic frequency is low, and the effect of anti-torsion vibration is good；The stabilization of four-point suspension
Property it is good, biggish torque reaction can be overcome, but torsion stiffness is larger, be unfavorable for that low-frequency vibration is isolated.
Existing automobile front subframe assembly is only capable of being assembled into bikini suspension or four-point suspension, when because of power
The four-point that the bikini suspension fore sub frame of automobile accessories caused by assembly switches mismatches installation suspends engine or mating
Four-point suspension fore sub frame mismatch installation bikini suspend engine when, due to rear suspension structure and rear overhang set
The difference set needs to reequip original fore sub frame, develops new fore sub frame again, for meet rigidity, intensity,
The influence for colliding crumple need to repeatedly modify fore sub frame self structure, increase development cycle and the development cost of automobile,
Have an effect on vehicle security energy.
In conclusion how to realize the rear-suspending that can match four-point suspension engine and match bikini suspension
The rear-suspending of engine to avoid whole fore sub frame is developed again, and then reduces development cycle and development cost, is current sheet
Field technical staff technical problem urgently to be resolved.Not only driving unit fault risk can have been reduced but can reduce transmission system exploitation at
This.
Summary of the invention
In view of this, the present invention is directed to propose a kind of back suspension device of engine composite module, can match four-point to realize
The rear-suspending of engine is suspended, and the rear-suspending of bikini suspension engine can be matched, thus secondary before avoiding developing entirety again
Vehicle frame, and then reduce development cycle and development cost.
In order to achieve the above object, the technical scheme of the present invention is realized as follows:
A kind of back suspension device of engine composite module, comprising:
For bikini rear-suspending and the four-point rear-suspending overlapping region of the rear cross beam of automobile front subframe to be arranged in
Module body；
The first connecting portion that can be connect with bikini back suspension device of engine pull rod, the first connecting portion is for being arranged
In the module body；
The second connecting portion that can be connect with four-point rear suspension support for engine, the second connecting portion is for being arranged
In the module body.
Further, the module body includes:
Rear-suspending module upper plate, the first connecting portion are the connection for being arranged on the rear-suspending module upper plate
Set, the connector sleeve have the third threaded hole that can be connect with the bikini back suspension device of engine pull rod；
The rear-suspending module upper reinforcing plate being set on the rear-suspending module upper sheet top surface, in the rear-suspending module plus
For strong plate for connecting with the top surface of the rear cross beam, the second connecting portion includes being set to the rear-suspending module upper reinforcing plate
The first threaded hole and the second threaded hole for being set on the rear-suspending module upper plate；
Rear-suspending module lower plate；
The rear-suspending module lower reinforcing plate being set on the rear-suspending module lower plate bottom surface, under the rear-suspending module plus
Strong plate with the bottom surface of the rear cross beam for connecting；
The rear-suspending module intermediate supports being connected between the rear-suspending module upper plate and the rear-suspending module lower plate
Plate.
Further, the rear-suspending module intermediate support plate is U-board；
The second connecting portion further include:
The supporting sleeve being used to support between the rear-suspending module upper plate and the rear-suspending module lower plate, the branch
Support set pipe is located in the U-board；
Intermediate reinforcement for being connected between the rear-suspending module upper plate and the rear-suspending module lower plate is rectangular flat
Plate, the intermediate open end reinforced square plate and be connected to the U-board；
Intermediate reinforcement half for being arranged in parallel between the rear-suspending module upper plate and the rear-suspending module lower plate
Round plate, it is described it is intermediate reinforce semicircle plate with the inner wall of the U-board and the intermediate square plate of reinforcing
Inner wall fitting, and the supporting sleeve passes through the semicircle plate of intermediate reinforcement.
Compared with the existing technology, of the present invention to have the advantage that
Back suspension device of engine composite module of the invention realizes rear suspension bracket on the rear cross beam of automobile front subframe
Installation；When needing to carry four-point suspension arrangement, back suspension device of engine composite module need to be only welded by module body
On the rear cross beam of automobile front subframe, four-point rear suspension support for engine is connected using second connecting portion, four can be matched
The rear-suspending of point type suspension engine；It, only need to be by module body by engine when needing to switch to bikini suspension arrangement
Rear-suspending composite module is welded on the rear cross beam of automobile front subframe, connects bikini engine rear overhang using first connecting portion
Pull rod is set, the rear-suspending of bikini suspension engine can be matched, realizes bikini rear-suspending arrangement and four-point suspension arrangement
Switching.
In summary, back suspension device of engine composite module of the invention be used to be arranged in the bikini rear-suspending of rear cross beam with
The overlapping region of four-point rear-suspending, which is realized using first connecting portion can match four-point suspension engine
Rear-suspending realizes the rear-suspending that can match bikini suspension engine using second connecting portion, to avoid developing again again
Whole fore sub frame thereby reduces development cycle and development cost.
Another object of the present invention is to propose a kind of automobile front subframe assembly, four-point can be matched to realize
Engine is suspended, and bikini suspension engine can be matched, to avoid developing whole fore sub frame again, and then reduces exploitation
Period and development cost.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of automobile front subframe assembly, comprising:
Left stringer；
Right vertical beam；
Connect the rear cross beam of the rear end of the left stringer and the rear end of the right vertical beam；
For connecting the front beam module of the front end of the left stringer and the front end of the right vertical beam；
Front mount bracket of engine in the front beam module is set；
For the bikini rear-suspending of the rear cross beam and the engine rear overhang of four-point rear-suspending overlapping region to be arranged in
Composite module is set, the back suspension device of engine composite module is the back suspension device of engine group as described in any of the above-described technical solution
Mold block；
Bikini back suspension device of engine pull rod for being connect with the first connecting portion；
Four-point rear suspension support for engine for being connect with the second connecting portion.
Further, the rear cross beam is offered in bikini rear-suspending and four-point rear-suspending overlapping region for installing
The installation groove of the back suspension device of engine composite module.
Further, before the automobile front subframe assembly further includes for being arranged in the front beam module
Composite module is suspended, the front mount bracket of engine is arranged on the front-suspension composite module.
Further, the front-suspension composite module includes the front-suspension that one end is arranged on front beam module top surface
The front-suspension bracket lower plate in the front beam module bottom surface is arranged in bracket upper plate and one end, the front-suspension bracket upper plate
The other end and the other end of the front-suspension bracket lower plate are weldingly connected relatively.
Further, the width of width direction of the front-suspension composite module along body of a motor car is 130-160mm.
Further, the front beam module is welded by front beam rectangle upper plate and front beam rectangle lower plate；
The width of length direction of the front beam module along body of a motor car is 95-135mm.
Further, the rear cross beam includes the rear cross beam upper plate mutually welded and rear cross beam lower plate, and is arranged described
Rear cross beam upper reinforcing plate on rear cross beam upper plate.
Compared with the existing technology, of the present invention to have the advantage that
Automobile front subframe assembly of the invention has carried out module division, according to power assembly NVH performance requirement energy
Matched module is enough selected to be assembled.When needing to carry four point suspension, by the front beam with front mount bracket of engine
Module is connected between the front end of left stringer and the front end of right vertical beam, then will be assembled with the back suspension device of engine of second connecting portion
Composite module is mounted on bikini rear-suspending and the four-point rear-suspending overlapping region of rear cross beam, then will be after four-point engine
Mounting bracket is connected in second connecting portion, and the four-point suspension arrangement of fore sub frame can be completed.When needing to switch at 3 points
When formula suspension arrangement, front beam module need to only be cancelled, that is, do not assemble the front beam module, then more by second connecting portion
It is changed to first connecting portion, bikini back suspension device of engine pull rod is connected in first connecting portion, can be completed and be switched to preceding pair
The bikini of vehicle frame suspends.Bikini suspension is switched to the assembling mode of four-point suspension on the contrary, it is no longer repeated herein.
In summary, automobile front subframe assembly of the invention can pass through according to different suspension arrangement forms
The combination for changing module, realizes the bikini arrangement and four-point arrangement switching of suspension, therefore can match four-point suspension
Engine, and bikini suspension engine can be matched, to avoid developing whole fore sub frame again, thereby reduce exploitation week
Phase and development cost.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is structural representation when back suspension device of engine composite module described in the embodiment of the present invention has first connecting portion
Figure；
Fig. 2 is that back suspension device of engine composite module described in the embodiment of the present invention connects bikini back suspension device of engine pull rod
When cross-sectional view；
Fig. 3 is structural representation when back suspension device of engine composite module described in the embodiment of the present invention has second connecting portion
Figure；
Fig. 4 is the part-structure that automobile front subframe assembly provided in an embodiment of the present invention is assembled into four-point suspension
Schematic diagram；
Fig. 5 is the partial structurtes enlarged drawing of front beam module provided in an embodiment of the present invention.
Description of symbols:
1- front beam module, 2- right vertical beam, 3- rear cross beam, 4- back suspension device of engine composite module, the left stringer of 5-, 3 points of 6-
Formula back suspension device of engine pull rod, 7- front mount bracket of engine, 8- front-suspension composite module；
41- rear-suspending module upper reinforcing plate, 42- rear-suspending module upper plate, 43- rear-suspending module intermediate support plate, after 44-
Suspending module lower plate, 45- rear-suspending module lower reinforcing plate, 46- connector sleeve, 47- supporting sleeve, 48- reinforce centre semicircle flat
Plate, 49- reinforce square plate in centre.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Attached drawing 1-3 is please referred to, back suspension device of engine composite module 4 provided in an embodiment of the present invention includes: for being arranged
The bikini rear-suspending of the rear cross beam 3 of automobile front subframe and the module body of four-point rear-suspending overlapping region；It can be with three
The first connecting portion that point type back suspension device of engine pull rod 6 connects, first connecting portion is for being arranged in module body；It can be with four
The second connecting portion of point type rear suspension support for engine connection, second connecting portion is for being arranged in module body.
It should be noted that the bikini rear-suspending of rear cross beam 3 and four-point rear-suspending overlapping region pass through NVH software point
It analyses and nominal data and the analysis of fore sub frame integrality is sampled to power assembly to determine.
Compared with the existing technology, of the invention to have the advantage that
Back suspension device of engine composite module 4 of the invention realizes rear suspension bracket in the rear cross beam 3 of automobile front subframe
On installation；When needing to carry four-point suspension arrangement, back suspension device of engine composite module 4 need to only be welded by module body
On the rear cross beam 3 of automobile front subframe, four-point rear suspension support for engine is connected using second connecting portion, can be matched
The rear-suspending of four-point suspension engine；When needing to switch to bikini suspension arrangement, need to will only be started by module body
Machine rear-suspending composite module 4 is welded on the rear cross beam 3 of automobile front subframe, connects bikini engine using first connecting portion
Rear-suspending pull rod 6 can match the rear-suspending of bikini suspension engine, realize bikini rear-suspending arrangement and four-point suspension
The switching of arrangement.
In summary, back suspension device of engine composite module 4 of the invention is used to be arranged in the bikini rear-suspending of rear cross beam 3
With the overlapping region of four-point rear-suspending, which is realized using first connecting portion can match four-point suspension engine
Rear-suspending, realized again using second connecting portion can match bikini suspension engine rear-suspending, to avoid opening again
Whole fore sub frame is sent out, development cycle and development cost are thereby reduced.
In a specific embodiment of the invention, module body includes rear-suspending module upper plate 42, rear-suspending module upper reinforcing plate
41, rear-suspending module lower plate 44, rear-suspending module lower reinforcing plate 45 and rear-suspending module intermediate support plate 43；Wherein, rear-suspending
Module upper reinforcing plate 41 is set on 42 top surface of rear-suspending module upper plate for connecting with the top surface of rear cross beam 3；Rear-suspending module
Lower reinforcing plate 45 is set on 44 bottom surface of rear-suspending module lower plate for connecting with the bottom surface of rear cross beam 3；Among rear-suspending module
Support plate 43 is connected between rear-suspending module upper plate 42 and rear-suspending module lower plate 44.In the present embodiment, first connecting portion is
Connector sleeve 46 for being arranged on rear-suspending module upper plate 42, connector sleeve 46 have and can draw with bikini back suspension device of engine
The third threaded hole that bar 6 connects；Second connecting portion includes being set to the first threaded hole of rear-suspending module upper reinforcing plate 41 and setting
The second threaded hole being placed on rear-suspending module upper plate 42.
As shown in Fig. 2, when back suspension device of engine composite module 4 is used to connect bikini back suspension device of engine pull rod 6, it will
The connecting pin of bikini back suspension device of engine pull rod 6 penetrates between rear-suspending module upper plate 42 and rear-suspending module lower plate 44, and
It is aligned the threaded hole of bikini back suspension device of engine pull rod 6 with the third threaded hole of connector sleeve 46, is then fixed using bolt
Connector sleeve 46 and bikini back suspension device of engine pull rod 6, structure is simpler, easy to disassemble.Alternatively, above-mentioned first connecting portion
The effect of same connection bikini back suspension device of engine pull rod 6 can be realized by nut or fixed pin with unthreaded hole.
When back suspension device of engine composite module 4 is for when connecting four-point rear suspension support for engine, four-point to be started
The connecting pin of machine rear suspension bracket is fixed at the first threaded hole of rear-suspending module upper reinforcing plate 41 by screw and rear overhang
It sets at the second threaded hole on module upper plate 42.Above-mentioned second connecting portion it is relatively simple for structure, convenient for after four-point engine
The dismounting of mounting bracket.It is of course also possible to using rear-suspending module upper reinforcing plate 41 or rear-suspending module upper plate 42 directly as
Four-point rear suspension support for engine is welded in second connecting portion by second connecting portion.
In above-described embodiment, by making rear-suspending module upper reinforcing plate 41 and rear-suspending module lower reinforcing plate 45 and rear cross beam
3 transverse welds decompose stress of the X to (along the length direction of vehicle body) in bikini suspension, decompose Z in four-point suspension
To (vertical direction) stress, the stress of rear-suspending is reduced, improves fore sub frame after 4 soldering of back suspension device of engine composite module
Whole mode, rigidity, intensity, it is durable on performance.Certainly, module body of the invention can not also include rear-suspending module
Upper reinforcing plate 41 and rear-suspending module lower reinforcing plate 45, by rear-suspending module upper plate 42 and rear-suspending module lower plate 44 directly with after
Crossbeam 3 welds.Module body of the invention may be other structures, such as cylindrical connecting column.Meanwhile by welding rear overhang
Module intermediate support plate 43 is set to reinforce the intensity of module body.
In order to mitigate weight, rear-suspending module intermediate support plate 43 is preferably U-board；As shown in figure 3, certainly, the rear overhang
Setting module intermediate support plate 43 can also be docked by multiple plates.
Further, second connecting portion further includes being used to support in rear-suspending module upper plate 42 and rear-suspending module lower plate 44
Between supporting sleeve 47, supporting sleeve 47 is located in U-board；For being connected to rear-suspending module upper plate 42 and rear-suspending module
Intermediate reinforcement square plate 49 between lower plate 44, the open end that square plate 49 is connected to U-board is reinforced in centre；For parallel
The semicircle plate 48 of intermediate reinforcement between rear-suspending module upper plate 42 and rear-suspending module lower plate 44 is set, and centre reinforces half
Round plate 48 is bonded with the inner wall of U-board and the intermediate inner wall for reinforcing square plate 49, and during supporting sleeve 47 passes through
Between reinforce semicircle plate 48.The present invention is semicircle by supporting sleeve 47, intermediate reinforcement square plate 49 and intermediate reinforcement
Plate 48 improves the intensity of second connecting portion, has further decomposed Y-direction stress.Certainly, the present invention also can use be connected to after
Multiple support rods between suspending module upper plate 42 and rear-suspending module lower plate 44, which are realized, reinforces stress.
As shown in Figs. 1-5, the embodiment of the invention also provides a kind of automobile front subframe assemblies, including left stringer 5；
Right vertical beam 2；Connect the rear cross beam 3 of the rear end of left stringer 5 and the rear end of right vertical beam 2；Front end and the right side for connecting left stringer 5 is vertical
The front beam module 1 of the front end of beam 2；Front mount bracket of engine 7 in front beam module 1 is set；For being arranged in rear cross
The bikini rear-suspending of beam 3 and the back suspension device of engine composite module 4 of four-point rear-suspending overlapping region, back suspension device of engine group
Molding block 4 is the back suspension device of engine composite module 4 provided such as above-mentioned any embodiment；Three for being connect with first connecting portion
Point type back suspension device of engine pull rod 6；Four-point rear suspension support for engine for being connect with second connecting portion.
Compared with the existing technology, of the invention to have the advantage that
Automobile front subframe assembly of the invention has carried out module division, according to power assembly NVH performance requirement energy
Matched module is enough selected to be assembled.When needing to carry four point suspension, by the front beam with front mount bracket of engine 7
Module 1 is connected between the front end of left stringer 5 and the front end of right vertical beam 2, after being then assembled with the engine of second connecting portion
Suspension composite module 4 is mounted on bikini rear-suspending and the four-point rear-suspending overlapping region of rear cross beam 3, then sends out four-point
Motivation rear suspension bracket is connected in second connecting portion, and the four-point suspension arrangement of fore sub frame can be completed.When needing to switch
When at bikini suspension arrangement, front beam module 1 need to only be cancelled, that is, do not assemble the front beam module 1, then by second
Interconnecting piece is changed to first connecting portion, and bikini back suspension device of engine pull rod 6 is connected in first connecting portion, can be completed and cut
It is changed to the bikini suspension of fore sub frame.Bikini suspension is switched to the assembling mode of four-point suspension on the contrary, no longer heavy herein
It repeats again.
In summary, automobile front subframe assembly of the invention can pass through according to different suspension arrangement forms
The combination for changing module, realizes the bikini arrangement and four-point arrangement switching of suspension, therefore can match four-point suspension
Engine, and bikini suspension engine can be matched, to avoid developing whole fore sub frame again, thereby reduce exploitation week
Phase and development cost.
In addition, automobile front subframe assembly of the invention can meet power assembly and fore sub frame assembly performance
Under the premise of it is required that, the case where avoiding automobile research cycle stretch-out caused by significantly modifying because of fore sub frame, it can also meet
The harsh conditions of a set of more set power assembly arrangements of fore sub frame assembly matching, obtain maximum performance using the smallest change and receive
Benefit, had not only met the multiple requirements of customer, but also met market needs.Meanwhile the present invention makes structure of front auxiliary frame simple structure, tight
It gathers, technique is easily achieved；Installation and convenient disassembly are convenient for after-sales service；Rigidity, intensity and life requirement can also met
Under the premise of solve the problems, such as load transmission between suspension and vehicle body, moreover it is possible to reached pair by the change to module suspension height
The control of power assembly position maximizes under the premise of meeting vehicle Gesture and meets driveline arrangement requirement, can both drop
Underneath drive system failure risk can reduce transmission system development cost again.
Furthermore the four-point that automobile front subframe assembly of the invention assembles suspends fore sub frame, for rigidity
Connection framework formula fore sub frame is made of front beam, left stringer 5, right vertical beam 2 and rear cross beam 3.The fore sub frame energy of this form
It is enough designed by reasonable stringer collapsing structure, then cooperates the design of the crash features such as vehicle body left-right longeron 2, energy-absorption box, improved
Star is collided, higher transverse direction, longitudinal rigidity are capable of providing, power assembly and power assembly attachment etc. can be integrated, is formed more
The modularization of big degree, in order to the assembly in later period.
The present invention suspends fore sub frame to the bikini after assembling and four-point suspension fore sub frame has carried out preceding secondary vehicle
Frame model analysis can preferably play welding procedure for simplified modularization subframe, and adjustment welding procedure meets secondary
Vehicle frame Integral modes, rigidity, the requirement in endurance quality.
During specific model analysis, fore sub frame first step mode frequency values are 220Hz (target value 200Hz), the vibration shape
For crossbeam bend vibration；Fore sub frame ontology first-order flexure modal frequency value is 254Hz (target value 250Hz)；Fore sub frame sheet
Body single order Torsion mode frequency is 341Hz (target value 300Hz).Fore sub frame Modal Performances reach target and want as seen from the above analysis
It asks.
In order to preferably connect rear-suspending with rear cross beam 3, rear cross beam 3 is in bikini rear-suspending and four-point rear-suspending weight
Folded region offers the installation groove for installing back suspension device of engine composite module 4.After the present invention is formed using installation groove
Avoiding structure is suspended, after assembling, back suspension device of engine composite module 4 is inlaid into installation groove, X is preferable to stress.
Further, automobile front subframe assembly further includes the front-suspension group for being arranged in front beam module 1
Block 8 is molded, front mount bracket of engine 7 is arranged on front-suspension composite module 8.The present invention keeps front mount bracket of engine 7 logical
It crosses front-suspension composite module 8 to be installed on front beam, convenient for assembly.Certainly, the present invention can not also include front-suspension combination die
Block 8 is directly fixed on front mount bracket of engine 7 on front beam.
As shown in figure 5, front-suspension composite module 8 includes that one end is arranged in front beam mould in one embodiment of the present invention
The front-suspension bracket lower plate on 1 bottom surface of front beam module, front-suspension is arranged in front-suspension bracket upper plate and one end on 1 top surface of block
The other end of bracket upper plate and the other end of front-suspension bracket lower plate are weldingly connected relatively.The front-suspension composite module 8 increases
The connection area of front mount bracket of engine 7 and front beam, and then improve the bonding strength of the two.
It is often bigger since the power that front-suspension is born is transmitted on fore sub frame the mainly power of Z-direction, it is better
Decompose Z-direction stress of the front-suspension in front beam module 1, width direction (i.e. Y-direction) of the front-suspension composite module 8 along body of a motor car
Width be 130-160mm, to widen front-suspension composite module 8, reinforce stress.
In further technical solution, front beam module 1 is welded by front beam rectangle upper plate and front beam rectangle lower plate
It connects；Front beam module 1 is 95-135mm along the width of the length direction (i.e. X to) of body of a motor car.So that front beam module 1
Assembled welding form is widened along Y-direction using upper and lower two plate, further strengthens stress-bearing capability in Z-direction.
In order to improve the bonding strength of rear cross beam 3, rear cross beam 3 includes the rear cross beam upper plate mutually welded and rear cross beam lower plate,
And the rear cross beam upper reinforcing plate on rear cross beam upper plate is set.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of back suspension device of engine composite module characterized by comprising
For the bikini rear-suspending of the rear cross beam (3) of automobile front subframe and the mould of four-point rear-suspending overlapping region to be arranged in
Block body；
The first connecting portion that can be connect with bikini back suspension device of engine pull rod (6), the first connecting portion is for being arranged
In the module body；
The second connecting portion that can be connect with four-point rear suspension support for engine, the second connecting portion is for being arranged described
In module body；
Wherein, the module body includes:
Rear-suspending module upper plate (42), the first connecting portion are the company for being arranged on the rear-suspending module upper plate (42)
Female connector (46), the connector sleeve (46) have the third screw thread that can be connect with the bikini back suspension device of engine pull rod (6)
Hole；
The rear-suspending module upper reinforcing plate (41) being set on rear-suspending module upper plate (42) top surface, the rear-suspending module
For upper reinforcing plate (41) for connecting with the top surface of the rear cross beam (3), the second connecting portion includes being set to the rear-suspending
First threaded hole of module upper reinforcing plate (41) and the second threaded hole being set on the rear-suspending module upper plate (42)；
Rear-suspending module lower plate (44)；
The rear-suspending module lower reinforcing plate (45) being set on rear-suspending module lower plate (44) bottom surface, the rear-suspending module
Lower reinforcing plate (45) with the bottom surface of the rear cross beam (3) for connecting；
It is connected among the rear-suspending module between the rear-suspending module upper plate (42) and the rear-suspending module lower plate (44)
Support plate (43).
2. back suspension device of engine composite module according to claim 1, which is characterized in that branch among the rear-suspending module
Fagging (43) is U-board；
The second connecting portion further include:
The supporting sleeve being used to support between the rear-suspending module upper plate (42) and the rear-suspending module lower plate (44)
(47), the supporting sleeve (47) is located in the U-board；
Intermediate reinforcement side for being connected between the rear-suspending module upper plate (42) and the rear-suspending module lower plate (44)
Shape plate (49), the intermediate open end reinforced square plate (49) and be connected to the U-board；
Centre for being arranged in parallel between the rear-suspending module upper plate (42) and the rear-suspending module lower plate (44) adds
More than half circle plate (48), the intermediate semicircle plate (48) of reinforcing add with the inner wall of the U-board and the centre
The inner wall fitting of strong square plate (49), and the supporting sleeve (47) passes through the semicircle plate (48) of intermediate reinforcement.
3. a kind of automobile front subframe assembly characterized by comprising
Left stringer (5)；
Right vertical beam (2)；
Connect the rear cross beam (3) of the rear end of the left stringer (5) and the rear end of the right vertical beam (2)；
For connecting the front beam module (1) of the front end of the left stringer (5) and the front end of the right vertical beam (2)；
Front mount bracket of engine (7) on the front beam module (1) is set；
For the bikini rear-suspending in the rear cross beam (3) and the back suspension device of engine of four-point rear-suspending overlapping region to be arranged
Composite module (4), the back suspension device of engine composite module (4) are back suspension device of engine as claimed in claim 1 or 2 combination
Module (4)；
Bikini back suspension device of engine pull rod (6) for being connect with the first connecting portion；
Four-point rear suspension support for engine for being connect with the second connecting portion.
4. automobile front subframe assembly according to claim 3, which is characterized in that the rear cross beam (3) is at 3 points
Formula rear-suspending and four-point rear-suspending overlapping region offer the installation for installing the back suspension device of engine composite module (4)
Groove.
5. automobile front subframe assembly according to claim 3, which is characterized in that further include for being arranged described
Front-suspension composite module (8) in front beam module (1), the front mount bracket of engine (7) are arranged in the front-suspension group
It molds on block (8).
6. automobile front subframe assembly according to claim 5, which is characterized in that the front-suspension composite module
It (8) include that front-suspension bracket upper plate and one end of one end setting on front beam module (1) top surface are arranged in the preceding cross
Front-suspension bracket lower plate on beam module (1) bottom surface, under the other end and the front-suspension bracket of the front-suspension bracket upper plate
The other end of plate is opposite to be weldingly connected.
7. automobile front subframe assembly according to claim 6, which is characterized in that the front-suspension composite module
It (8) is 130-160mm along the width of the width direction of body of a motor car.
8. automobile front subframe assembly according to claim 3, which is characterized in that the front beam module (1) by
Front beam rectangle upper plate and front beam rectangle lower plate are welded；Length of the front beam module (1) along body of a motor car
The width in direction is 95-135mm.
9. according to the described in any item automobile front subframe assemblies of claim 3-8, which is characterized in that the rear cross beam
(3) include the rear cross beam upper plate mutually welded and rear cross beam lower plate, and on the rear cross beam being arranged on the rear cross beam upper plate plus
Strong plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510627219.9A CN106553520B (en) | 2015-09-28 | 2015-09-28 | Back suspension device of engine composite module and automobile front subframe assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510627219.9A CN106553520B (en) | 2015-09-28 | 2015-09-28 | Back suspension device of engine composite module and automobile front subframe assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106553520A CN106553520A (en) | 2017-04-05 |
| CN106553520B true CN106553520B (en) | 2019-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510627219.9A Active CN106553520B (en) | 2015-09-28 | 2015-09-28 | Back suspension device of engine composite module and automobile front subframe assembly |
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| Country | Link |
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| CN (1) | CN106553520B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109050669B (en) * | 2018-08-23 | 2021-03-05 | 北京新能源汽车股份有限公司 | Front suspension installing support and car |
| DE102019203815B4 (en) | 2019-03-20 | 2021-10-14 | Audi Ag | Subframe for a motor vehicle with an assembly mounting |
| CN111845939B (en) * | 2019-04-28 | 2022-04-19 | 浙江吉利控股集团有限公司 | Automobile front suspension crossbeam |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007253642A (en) * | 2006-03-20 | 2007-10-04 | Daihatsu Motor Co Ltd | Lower structure of automobile |
| JP4509533B2 (en) * | 2003-11-05 | 2010-07-21 | ダイハツ工業株式会社 | Reinforcement structure of suspension member for vehicle |
| US7976037B2 (en) * | 2007-10-17 | 2011-07-12 | Honda Motor Co., Ltd. | Front vehicle body structure |
| CN203402247U (en) * | 2013-07-16 | 2014-01-22 | 北京汽车股份有限公司 | Front auxiliary frame structure of automobile with engine with four suspensions, and automobile |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006013550A1 (en) * | 2006-03-24 | 2007-09-27 | Audi Ag | Subframe for motor vehicles, vehicle body with a mounted subframe, adapter part for a subframe and methods for mounting a drive unit on such a subframe |
-
2015
- 2015-09-28 CN CN201510627219.9A patent/CN106553520B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4509533B2 (en) * | 2003-11-05 | 2010-07-21 | ダイハツ工業株式会社 | Reinforcement structure of suspension member for vehicle |
| JP2007253642A (en) * | 2006-03-20 | 2007-10-04 | Daihatsu Motor Co Ltd | Lower structure of automobile |
| US7976037B2 (en) * | 2007-10-17 | 2011-07-12 | Honda Motor Co., Ltd. | Front vehicle body structure |
| CN203402247U (en) * | 2013-07-16 | 2014-01-22 | 北京汽车股份有限公司 | Front auxiliary frame structure of automobile with engine with four suspensions, and automobile |
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| Publication number | Publication date |
|---|---|
| CN106553520A (en) | 2017-04-05 |
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