CN108482488A - A kind of vehicle front subframe structure - Google Patents
A kind of vehicle front subframe structure Download PDFInfo
- Publication number
- CN108482488A CN108482488A CN201810137124.2A CN201810137124A CN108482488A CN 108482488 A CN108482488 A CN 108482488A CN 201810137124 A CN201810137124 A CN 201810137124A CN 108482488 A CN108482488 A CN 108482488A
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- CN
- China
- Prior art keywords
- swing arm
- subframe
- plate
- reinforcing plate
- bracket
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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
- B62D21/11—Understructures, i.e. chassis frame on which a vehicle body may be mounted with resilient means for suspension, e.g. of wheels or engine; sub-frames for mounting engine or suspensions
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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
Abstract
The invention discloses a kind of vehicle front subframe structures,Including left steering machine casing,Left reinforcing plate,Mounting bracket,Left front oscillating arm bracket,Fore sub frame left installation bracket,Left front swing arm reinforcing plate,Left bushing,Left rear swing arm bracket reinforcing plate,Left rear swing arm holder,Subframe upper plate,Right rear-swing arm holder,Right rear-swing arm bracket reinforcing plate,Right bushing,Right front swing arm reinforcing plate,Fore sub frame right mounting bracket,Right forward swing arm support,Suspension reinforcing plate,Right turn machine casing,Right reinforcing plate,Reinforcing plate and subframe lower plate after fore sub frame,The subframe upper plate is fixedly connected by welding with subframe lower plate,The mounting bracket,Left rear swing arm holder,Right rear-swing arm holder is fixedly connected with subframe upper plate by welding,The installation point that " ingot type " fore sub frame is connect with vehicle body is separated with swing arm large shaft sleeve installation point,For two installation points,Substantially reduce the stress of each installation point.
Description
Technical field
The present invention relates to field of automobile, more particularly, to a kind of vehicle front subframe structure.
Background technology
Country of China newest standards《The term and definition of automobile and trailer type》To vapour in (GB/T 3730.1-2001)
Vehicle is just like giving a definition：By power drive, the vehicle of the non-track carrying with 4 or 4 or more wheels is mainly used for：Carrying
Personnel and (or) cargo；Draw the vehicle of carrying personnel and (or) cargo；Specific use.Subframe can regard tandem axle as
Skeleton, be the component part of tandem axle.Subframe is not complete vehicle frame, only support tandem axle, suspension holder,
So that vehicle bridge, suspension is connected again with " positive vehicle frame " by it, is traditionally known as " subframe ".The effect of subframe is barrier vibration and makes an uproar
Sound reduces it and is directly entered compartment, so appearing in mostly on luxurious car and offroad vehicle, some automobiles are also loaded onto for engine
Subframe.Conventional without the monocoque body of subframe, suspension is directly to be connected with vehicle body steel plate.Therefore tandem axle
It is loose mail to hang rocker arm body all, not assembly.After subframe birth, front and rear suspension can be first assembled on subframe,
An axle assembly is constituted, is then again installed to this assembly on vehicle body together.
Fore sub frame is an intermediate buffering body of vehicle body and suspension connection, is very important in car and the chassis SUV
Safety and load bearing component, support front axle load spring carried mass, and vehicle traveling process is born and transmits in the vibration of isolation drive unit
In generated various power and torque.
Chinese Patent Application No. CN201520067392.3 discloses a kind of vehicle and reinforces front suspension and Chinese patent application
A kind of number installation and positioning structures convenient for automobile front subframe of CN201220531757.X, two above patent, currently on the market
The installation point that is connect with vehicle body of " ingot type " fore sub frame usually share an installation point with swing arm large shaft sleeve, lead to the installation
It is larger that point bears torque, torque decaying and subframe changing of the relative positions abnormal sound phenomenon occurs；Fore sub frame is usually adopted with installation point before vehicle body
It is not easy to ensure with holder and reinforcing plate welding structure, complicated, difficult forming, precision, and quality weight, it is light to be unfavorable for vehicle
Quantify and environmentally friendly, energy saving；Pacify before fore sub frame and the upper and lower plate of swing arm little axle sleeve mounting structure generally use subframe, subframe
The box-like structure that dress bearing is welded to form, the upper and lower harden structure of the structure subframe is complicated, and Pressing Deformation amount is big, and precision is not easy to protect
Card, influences swing arm center point precision, and then cause vehicular four wheels parameter unqualified；Fore sub frame is usually rigid with body mounts
Property connection, vehicle is susceptible to abnormal sound phenomenon, NVH poor performances；Fore sub frame and steering gear installation point are typically subframe upper plate
For plane, stamping parts shaping and deformation amount is big, and stability is poor, and precision is not easy to ensure.
Invention content
The technical problem to be solved by the present invention is to overcome the existing defects, provides a kind of vehicle front subframe structure, to
It solves the above problems.
To achieve the above object, the present invention provides the following technical solutions：A kind of vehicle front subframe structure, including left steering
Machine casing, left reinforcing plate, mounting bracket, left front oscillating arm bracket, fore sub frame left installation bracket, left front swing arm reinforcing plate, left lining
Set, left rear swing arm bracket reinforcing plate, left rear swing arm holder, subframe upper plate, right rear-swing arm holder, right rear-swing arm holder are reinforced
Plate, right bushing, right front swing arm reinforcing plate, fore sub frame right mounting bracket, right forward swing arm support, suspension reinforcing plate, right turn machine
Reinforcing plate and subframe lower plate after casing, right reinforcing plate, fore sub frame, the subframe upper plate pass through welding with subframe lower plate
Mode be fixedly connected, the mounting bracket, left rear swing arm holder, right rear-swing arm holder pass through welding with subframe upper plate
Mode is fixedly connected, and the left front oscillating arm bracket, right forward swing arm support, right front swing arm reinforcing plate, turns left at left front swing arm reinforcing plate
To machine casing, right turn machine casing, left bushing, right bushing, left reinforcing plate, right reinforcing plate, suspension reinforcing plate on subframe
Plate, subframe lower plate are fixedly connected by welding, and the left front oscillating arm bracket passes through welding with left front swing arm reinforcing plate
Mode be fixedly connected, the right forward swing arm support is fixedly connected by welding with right front swing arm reinforcing plate, before described
Subframe left installation bracket, fore sub frame right mounting bracket and subframe upper plate, subframe lower plate are bolted, and both sides are distinguished
It is bolted by three, the side that the left rear swing arm bracket reinforcing plate passes through welding with subframe upper plate, left rear swing arm holder
Formula is fixedly connected, and the right rear-swing arm bracket reinforcing plate is fixed by welding with subframe upper plate, right rear-swing arm holder
It connects, reinforcing plate is fixedly connected by welding with subframe upper plate, subframe lower plate after the fore sub frame.
As a preferred technical solution of the present invention, the subframe upper plate is integrated punching part, and X is to forward and backward flange
In Z-shaped, X/Y plane is welded with subframe lower plate, and the left and right flange of Y-direction is in Z-shaped, and X/Y plane flange position is pacified after providing swing arm
It decorates, front part sides have fore sub frame left installation bracket, fore sub frame right mounting bracket mounting hole；There is turning machine casing peace at middle part
Hole is filled, rear portion is fore sub frame and mounting hole after vehicle body, and rear mounting hole both sides are the welding of subframe upper plate and subframe lower plate
Location hole is welded with mounting bracket on subframe on the left of front edge of board draft plane, and reinforcing rib structure is arranged at subframe upper plate top.
As a preferred technical solution of the present invention, the subframe lower plate is integrated punching part, integrally stretching height
Poor less the subframe lower plate front part sides big hole is forward swing arm support plug welding hole, and the subframe lower plate swing arm is forward and backward
Installation point, turning machine installation point, subframe are respectively provided with boss structure, subframe and installation point after vehicle body with body mounts position
Position, boss design is higher, and subframe devises flange with mounting hole after vehicle body, and the subframe lower plate is provided with multiple plugs
Welding hole and liquid-leaking nozzle.
As a preferred technical solution of the present invention, the left rear swing arm holder and right rear-swing arm holder are integrated punchings
Part, rear-swing arm holder swing arm position of mounting hole are provided with the boss of Z-direction, and rear-swing arm holder swing arm mounting hole is slotted hole, this
Structure is assembled with swing arm, and the oblong aperture on the outside of rear-swing arm holder swing arm mounting hole is that rear-swing arm holder and the welding of subframe upper plate are fixed
The slotted hole in position hole, inside is rear-swing arm holder and rear-swing arm bracket reinforcing plate welding location-plate hole, and flange knot is arranged in side face
Structure is welded with subframe upper plate side, and reinforcing rib is arranged with subframe upper plate lap position above rear-swing arm holder, rear to put
The hole of installation point is arranged Z-direction flange after arm support and subframe, after subframe installation point bushing through this.
As a preferred technical solution of the present invention, the left rear swing arm bracket reinforcing plate is reinforced with right rear-swing arm holder
Plate is in " C " font, and upper end is welded with left rear swing arm holder and right rear-swing arm holder, and side, lower end and subframe upper plate weld, side
Slotted hole is arranged in Middle face.
As a preferred technical solution of the present invention, the left front swing arm reinforcing plate is one with right front swing arm reinforcing plate
Irregularly-shaped hole is arranged in stamping parts, flanging side face, below flange and subframe upper plate, subframe lower plate weld, side on subframe
Plate welds, and the slotted hole of upper plane carries out plug welding with left front oscillating arm bracket, right forward swing arm support, and upper side is to upper overturning with before
Subframe or so mounting bracket is bolted with right mounting bracket.
As a preferred technical solution of the present invention, the left front oscillating arm bracket and right forward swing arm support are integrated punchings
Part, after a piece of steel plate punched of the structure, bending and molding is box-like structure, box-packed to form high and low plane, low degree and subframe
Upper plate carries out plug welding, and high plane carries out plug welding with left front swing arm reinforcing plate and right front swing arm reinforcing plate, and upper surface uses hinge knot
Structure overlaps, and lower plane carries out plug welding with subframe lower plate, forms swing arm little axle sleeve mounting structure.
As a preferred technical solution of the present invention, reinforcing plate is in "U" shaped structure, preceding installation after the fore sub frame
Point is bolted with installation point after subframe, and rear installation point is connect with vehicle body.
As a preferred technical solution of the present invention, the fore sub frame left installation bracket and the right installation branch of fore sub frame
Frame is aluminium alloy structure, this structure compares punching press welding structure, and holder is provided with reinforcing rib structure, and pedestal lower end face is triangular in shape
Structure is attached with three bolts with subframe upper plate and subframe lower plate, and pedestal upper end is installed bush structure and connected with vehicle body
It connects.
Compared with prior art, the beneficial effects of the invention are as follows：This kind of vehicle front subframe structure, secondary vehicle before " ingot type "
The installation point that frame is connect with vehicle body is separated with swing arm large shaft sleeve installation point, is two installation points, is substantially reduced each installation point
Stress, avoid Bolt Torque decaying and subframe abnormal sound problem；Fore sub frame is installed with installation point fore sub frame before vehicle body
Holder is aluminium alloy structure, simple in structure, light weight, realizes vehicle lightweight；Fore sub frame is tied with the installation of swing arm little axle sleeve
Structure is that independent holder welding is box-like structure, and erection support is constituted before the upper and lower plate of non-subframe, subframe, and welding deformation amount is small,
Precision easily ensures；Fore sub frame is bush structure with body mounts, and rigidity is adjustable, improves vehicle NVH performances；Preceding pair vehicle
Frame is tubular column structure with steering gear installation point, and there is knurling structure in upper surface, increases the frictional force with steering gear, and tubing string is coaxial
Degree, height easily ensure.
Description of the drawings
Attached drawing is used to provide further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings：
Fig. 1 is a kind of vehicle front subframe structural front view of the present invention；
Fig. 2 is a kind of vehicle front subframe Structure explosion diagram of the present invention；
Fig. 3 is a kind of vehicle front subframe structure partial schematic diagram one of the present invention；
Fig. 4 is a kind of vehicle front subframe structure partial schematic diagram two of the present invention；
Fig. 5 is a kind of vehicle front subframe structure partial schematic diagram three of the present invention；
Fig. 6 is a kind of vehicle front subframe structure partial schematic diagram four of the present invention；
Fig. 7 is a kind of vehicle front subframe structure partial schematic diagram five of the present invention；
Fig. 8 is a kind of vehicle front subframe structure partial schematic diagram six of the present invention；
Fig. 9 is a kind of vehicle front subframe structure partial schematic diagram seven of the present invention；
Figure 10 is a kind of vehicle front subframe structure partial schematic diagram eight of the present invention；
Figure 11 is a kind of vehicle front subframe structure partial schematic diagram nine of the present invention；
Figure 12 is a kind of vehicle front subframe structure partial schematic diagram ten of the present invention；
Figure 13 is a kind of vehicle front subframe structure partial schematic diagram 11 of the present invention；
Figure 14 is a kind of vehicle front subframe structure partial schematic diagram 12 of the present invention；
In figure：1, left steering machine casing；2, left reinforcing plate；3, mounting bracket；4, left front oscillating arm bracket；5, fore sub frame is left
Mounting bracket；6, left front swing arm reinforcing plate；7, left bushing；8, left rear swing arm bracket reinforcing plate；9, left rear swing arm holder；10, secondary
Vehicle frame upper plate；11, right rear-swing arm holder；12, right rear-swing arm bracket reinforcing plate；13, right bushing；14, right front swing arm reinforcing plate；
15, fore sub frame right mounting bracket；16, right forward swing arm support；17, suspension reinforcing plate；18, right turn machine casing；19, right reinforcement
Plate；20, reinforcing plate after fore sub frame；21, subframe lower plate.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 14 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of vehicle front subframe structure, including left steering machine
Casing 1, left reinforcing plate 2, mounting bracket 3, left front oscillating arm bracket 4, fore sub frame left installation bracket 5, left front swing arm reinforcing plate 6,
It is put behind left bushing 7, left rear swing arm bracket reinforcing plate 8, left rear swing arm holder 9, subframe upper plate 10, right rear-swing arm holder 11, the right side
Arm support reinforcing plate 12, right bushing 13, right front swing arm reinforcing plate 14, fore sub frame right mounting bracket 15, right forward swing arm support 16,
Reinforcing plate 20 and subframe lower plate 21 after suspension reinforcing plate 17, right turn machine casing 18, right reinforcing plate 19, fore sub frame, secondary vehicle
Frame upper plate 10 is fixedly connected by welding with subframe lower plate 21, mounting bracket 3, left rear swing arm holder 9, right rear-swing arm
Holder 11 is fixedly connected with subframe upper plate 10 by welding, left front oscillating arm bracket 4, left front swing arm reinforcing plate 6, the right side
Forward swing arm support 16, right front swing arm reinforcing plate 14, left steering machine casing 1, right turn machine casing 18, left bushing 7, right bushing 13,
Left reinforcing plate 2, right reinforcing plate 19, suspension reinforcing plate 17 with subframe upper plate 10, subframe lower plate 21 by welding
It is fixedly connected, left front oscillating arm bracket 4 is fixedly connected by welding with left front swing arm reinforcing plate 6, right forward swing arm support 16
It is fixedly connected by welding with right front swing arm reinforcing plate 14, the right installation branch of fore sub frame left installation bracket 5, fore sub frame
Frame 15 is bolted with subframe upper plate 10, subframe lower plate 21, and both sides are bolted by three respectively, left rear swing arm branch
Frame reinforcing plate 8 is fixedly connected by welding with subframe upper plate 10, left rear swing arm holder 9, and right rear-swing arm holder is reinforced
Plate 12 is fixedly connected by welding with subframe upper plate 10, right rear-swing arm holder 11, after fore sub frame reinforcing plate 20 with
Subframe upper plate 10, subframe lower plate 21 are fixedly connected by welding.
Subframe upper plate 10 is integrated punching part, and X is in Z-shaped to forward and backward flange, and X/Y plane is welded with subframe lower plate 21
It connects, the left and right flange of Y-direction is in Z-shaped, and X/Y plane flange position provides installation point after swing arm, and front part sides have the left peace of fore sub frame
Fill holder 5,15 mounting hole of fore sub frame right mounting bracket；It is fore sub frame and vehicle that, which there are turning machine casing mounting hole, rear portion in middle part,
Mounting hole behind, rear mounting hole both sides are the welding location-plate hole of subframe upper plate 10 and subframe lower plate 21, subframe upper plate 10
It is welded with mounting bracket 3 on the left of the draft plane of front end, reinforcing rib structure is arranged at 10 top of subframe upper plate.
Subframe lower plate 21 is integrated punching part, and integrally stretching difference in height is little, 21 front part sides great circle of subframe lower plate
Hole is forward swing arm support plug welding hole, the forward and backward installation point of 21 swing arm of subframe lower plate, turning machine installation point, subframe and vehicle body peace
It decorates position and is respectively provided with boss structure, subframe and installation point position after vehicle body, boss design is higher, and after subframe and vehicle body
Mounting hole devises flange, and subframe lower plate 21 is provided with multiple plug welding holes and liquid-leaking nozzle.
Left rear swing arm holder 9 and right rear-swing arm holder 11 are integrated punching parts, and rear-swing arm holder swing arm position of mounting hole is set
The boss of -Z direction is set, rear-swing arm holder swing arm mounting hole is slotted hole, this structure is assembled with swing arm, rear-swing arm holder swing arm
Oblong aperture on the outside of mounting hole is rear-swing arm holder and subframe upper plate welding location-plate hole, and the slotted hole of inside is rear-swing arm holder
With rear-swing arm bracket reinforcing plate welding location-plate hole, side face setting turnup structure is welded with subframe upper plate side, after
Reinforcing rib is set with subframe upper plate lap position above oscillating arm bracket, rear-swing arm holder and the hole of installation point after subframe are set
Set-Z-direction flange, after subframe installation point bushing through this.
Left rear swing arm bracket reinforcing plate 8 is in " C " font, upper end and left rear swing arm holder with right rear-swing arm bracket reinforcing plate 12
9 weld with right rear-swing arm holder 11, and side, lower end and subframe upper plate 10 weld, and slotted hole is arranged in the middle part of side.
Left front swing arm reinforcing plate 6 is integrated punching part with right front swing arm reinforcing plate 14, and irregularly-shaped hole is arranged in flanging side face, below
Flange and subframe upper plate 10, subframe lower plate 21 are welded, and side is welded with subframe upper plate 10, slotted hole and the left side of upper plane
Forward swing arm support 4, right forward swing arm support 16 carry out plug welding, upper side to upper overturning and fore sub frame or so mounting bracket 5 and
Right mounting bracket 15 is bolted.
Left front oscillating arm bracket 4 and right forward swing arm support 16 are integrated punching parts, after a piece of steel plate punched of the structure, bending
It is shaped to box-like structure, box-packed to form high and low plane, low degree carries out plug welding, high plane and left front pendulum with subframe upper plate 10
Arm reinforcing plate 6 carries out plug welding with right front swing arm reinforcing plate 14, and upper surface is overlapped using hinge arrangement, lower plane and secondary vehicle
Frame lower plate 21 carries out plug welding, forms swing arm little axle sleeve mounting structure.
Reinforcing plate 20 is in "U" shaped structure after fore sub frame, and preceding installation point is bolted with installation point after subframe, rear to pacify
It decorates and is connect with vehicle body.
Fore sub frame left installation bracket 5 is aluminium alloy structure with fore sub frame right mounting bracket 15, this structure compares punching press
Welding structure, holder are provided with reinforcing rib structure, pedestal lower end face structure triangular in shape, with three bolts and subframe upper plate 10
It is attached with subframe lower plate 21, pedestal upper end installation bush structure is connect with vehicle body.
Concrete principle：In use, swing arm large shaft sleeve installation point is by left rear swing arm holder 9, right rear-swing arm holder 11, left back pendulum
Arm support reinforcing plate 8, right rear-swing arm bracket reinforcing plate 12, subframe upper plate 10, the welding of subframe lower plate 21 are in " C " shape structures,
It is connected with each other, mutually restrains, intensity is larger, and swing arm large shaft sleeve installation point is independent, substantially reduces each installation point between plate and plate
Stress, Bolt Torque decaying and subframe abnormal sound problem are avoided, in addition, 4 installation points of fore sub frame and vehicle body is are
Bush structure, rigidity are adjustable, improve vehicle NVH performances, and the left and right mounting bracket of fore sub frame 5,15 is aluminium alloy structure,
This structure compares punching press welding structure, is not only simple in structure, reduces die cost, it is important to alleviate weight, realize vehicle
Lightweight, cleverly with after a piece of steel plate punched, bending and molding is box-packed for left front oscillating arm bracket 4, right forward swing arm support 16
Structure, the box-packed high and low plane of formation, low degree and the progress plug welding of subframe upper plate 10, high plane and left front swing arm reinforcing plate 6,
Right front swing arm reinforcing plate 14 carries out plug welding, and upper surface is overlapped using hinge arrangement, lower plane and subframe lower plate 21 into
Row plug welding forms swing arm little axle sleeve mounting structure, and swing arm little axle sleeve mounting structure is that independent holder welding is box-like structure, welding
Deflection is small, and precision easily ensures, fore sub frame is tubular column structure with steering gear installation point, and there is knurling structure in upper surface, increases
With the frictional force of steering gear, reduce the risk of bolt power decaying, tubing string concentricity, height easily ensure.
This kind of vehicle front subframe structure, the installation point that " ingot type " fore sub frame is connect with vehicle body are pacified with swing arm large shaft sleeve
It decorates and separates, be two installation points, substantially reduce the stress of each installation point, avoid Bolt Torque decaying and subframe is different
The problem of sound；Fore sub frame is aluminium alloy structure with installation point fore sub frame mounting bracket before vehicle body, and simple in structure, light weight is real
Vehicle lightweight is showed；It is box-like structure that fore sub frame, which is independent holder welding with swing arm little axle sleeve mounting structure, non-subframe
Erection support is constituted before upper and lower plate, subframe, and welding deformation amount is small, and precision easily ensures；Fore sub frame is lining with body mounts
Nested structure, rigidity is adjustable, improves vehicle NVH performances；Fore sub frame and steering gear installation point are tubular column structure, and upper surface
There is knurling structure, increase the frictional force with steering gear, tubing string concentricity, height easily ensure.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (9)
1. a kind of vehicle front subframe structure, including left steering machine casing (1), left reinforcing plate (2), mounting bracket (3), left front pendulum
Arm support (4), fore sub frame left installation bracket (5), left front swing arm reinforcing plate (6), left bushing (7), left rear swing arm holder are reinforced
Plate (8), left rear swing arm holder (9), subframe upper plate (10), right rear-swing arm holder (11), right rear-swing arm bracket reinforcing plate (12),
Right bushing (13), right front swing arm reinforcing plate (14), fore sub frame right mounting bracket (15), right forward swing arm support (16), suspension add
Reinforcing plate (20) and subframe lower plate (21) after strong plate (17), right turn machine casing (18), right reinforcing plate (19), fore sub frame,
It is characterized in that, the subframe upper plate (10) is fixedly connected by welding with subframe lower plate (21), the suspension
Holder (3), left rear swing arm holder (9), right rear-swing arm holder (11) are fixed with subframe upper plate (10) by welding
Connection, the left front oscillating arm bracket (4), left front swing arm reinforcing plate (6), right forward swing arm support (16), right front swing arm reinforcing plate
(14), left steering machine casing (1), right turn machine casing (18), left bushing (7), right bushing (13), left reinforcing plate (2), right reinforcement
Plate (19), suspension reinforcing plate (17) are fixedly connected with subframe upper plate (10), subframe lower plate (21) by welding,
The left front oscillating arm bracket (4) is fixedly connected by welding with left front swing arm reinforcing plate (6), the right forward swing arm support
(16) it is fixedly connected by welding with right front swing arm reinforcing plate (14), the fore sub frame left installation bracket (5), preceding pair
Vehicle frame right mounting bracket (15) is bolted with subframe upper plate (10), subframe lower plate (21), and both sides pass through three respectively
It is bolted, the left rear swing arm bracket reinforcing plate (8) passes through welding with subframe upper plate (10), left rear swing arm holder (9)
Mode is fixedly connected, and the right rear-swing arm bracket reinforcing plate (12) passes through with subframe upper plate (10), right rear-swing arm holder (11)
The mode of welding is fixedly connected, and reinforcing plate (20) and subframe upper plate (10), subframe lower plate (21) are logical after the fore sub frame
The mode for crossing welding is fixedly connected.
2. a kind of vehicle front subframe structure according to claim 1, which is characterized in that the subframe upper plate (10) is
Integrated punching part, X are in Z-shaped to forward and backward flange, and X/Y plane is welded with subframe lower plate (21), and the left and right flange of Y-direction is in " Z "
Shape, X/Y plane flange position provide installation point after swing arm, and front part sides have fore sub frame left installation bracket (5), fore sub frame right
Mounting bracket (15) mounting hole；It is fore sub frame and mounting hole after vehicle body, rear installation that, which there are turning machine casing mounting hole, rear portion in middle part,
Hole both sides are the welding location-plate hole of subframe upper plate (10) and subframe lower plate (21), subframe upper plate (10) front end draft plane
Left side is welded with mounting bracket (3), and reinforcing rib structure is arranged at subframe upper plate (10) top.
3. a kind of vehicle front subframe structure according to claim 1, which is characterized in that the subframe lower plate (21) is
Integrated punching part, integrally stretching difference in height is little, and subframe lower plate (21) the front part sides big hole is forward swing arm support plug
Welding hole, the forward and backward installation point of subframe lower plate (21) swing arm, turning machine installation point, subframe and body mounts position are equal
Boss structure, subframe and installation point position after vehicle body are set, and boss design is higher, and subframe is designed with mounting hole after vehicle body
Flange, the subframe lower plate (21) are provided with multiple plug welding holes and liquid-leaking nozzle.
4. a kind of vehicle front subframe structure according to claim 1, which is characterized in that the left rear swing arm holder (9)
It is integrated punching part with right rear-swing arm holder (11), rear-swing arm holder swing arm position of mounting hole is provided with the boss of -Z direction, after
Oscillating arm bracket swing arm mounting hole is slotted hole, this structure is assembled with swing arm, the oblong aperture on the outside of rear-swing arm holder swing arm mounting hole
Slotted hole for rear-swing arm holder and subframe upper plate welding location-plate hole, inside is rear-swing arm holder and rear-swing arm bracket reinforcing plate
Welding location-plate hole, side face setting turnup structure welded with subframe upper plate side, above rear-swing arm holder with secondary vehicle
Frame upper plate lap position is arranged reinforcing rib, hole setting-Z-direction flange of installation point after rear-swing arm holder and subframe, after subframe
Installation point bushing through this.
5. a kind of vehicle front subframe structure according to claim 1, which is characterized in that the left rear swing arm holder is reinforced
Plate (8) is in " C " font, upper end and left rear swing arm holder (9) and right rear-swing arm holder with right rear-swing arm bracket reinforcing plate (12)
(11) it welds, side, lower end and subframe upper plate (10) weld, and slotted hole is arranged in the middle part of side.
6. a kind of vehicle front subframe structure according to claim 1, which is characterized in that the left front swing arm reinforcing plate
(6) be integrated punching part with right front swing arm reinforcing plate (14), irregularly-shaped hole is arranged in flanging side face, below flange and subframe upper plate
(10), subframe lower plate (21) is welded, and side is welded with subframe upper plate (10), the slotted hole of upper plane and left front oscillating arm bracket
(4), right forward swing arm support (16) carries out plug welding, and upper side is to upper overturning and fore sub frame or so mounting bracket (5) and right peace
Dress holder (15) is bolted.
7. a kind of vehicle front subframe structure according to claim 1, which is characterized in that the left front oscillating arm bracket (4)
It is integrated punching part with right forward swing arm support (16), after a piece of steel plate punched of the structure, bending and molding is box-like structure, box-packed
High and low plane is formed, before low degree carries out plug welding, high plane and left front swing arm reinforcing plate (6) and the right side with subframe upper plate (10)
Swing arm reinforcing plate (14) carries out plug welding, and upper surface overlapped using hinge arrangement, lower plane and subframe lower plate (21) into
Row plug welding forms swing arm little axle sleeve mounting structure.
8. a kind of vehicle front subframe structure according to claim 1, which is characterized in that reinforcing plate after the fore sub frame
(20) in "U" shaped structure, preceding installation point is bolted with installation point after subframe, and rear installation point is connect with vehicle body.
9. a kind of vehicle front subframe structure according to claim 1, which is characterized in that the left installation branch of fore sub frame
Frame (5) is aluminium alloy structure with fore sub frame right mounting bracket (15), this structure compares punching press welding structure, and holder, which is provided with, to be added
Strengthening tendons structure, pedestal lower end face structure triangular in shape, with three bolts and subframe upper plate (10) and subframe lower plate (21) into
Row connection, pedestal upper end installation bush structure are connect with vehicle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810137124.2A CN108482488A (en) | 2018-02-10 | 2018-02-10 | A kind of vehicle front subframe structure |
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| CN109367624A (en) * | 2018-11-16 | 2019-02-22 | 北京长城华冠汽车科技股份有限公司 | A kind of fore sub frame and automobile |
| CN109572820A (en) * | 2019-01-30 | 2019-04-05 | 东风小康汽车有限公司重庆分公司 | Front auxiliary car frame front cross beam and automobile |
| CN110395314A (en) * | 2019-03-15 | 2019-11-01 | 宁波可挺汽车零部件有限公司 | A kind of automobile front subframe assembly |
| CN111361643A (en) * | 2018-12-26 | 2020-07-03 | 北京宝沃汽车有限公司 | Connecting assembly, frame assembly and vehicle |
| CN111845939A (en) * | 2019-04-28 | 2020-10-30 | 浙江吉利控股集团有限公司 | Automobile front suspension crossbeam |
| CN112829832A (en) * | 2021-03-19 | 2021-05-25 | 大运汽车股份有限公司 | Front auxiliary frame assembly of electric passenger car |
| CN114604317A (en) * | 2022-04-21 | 2022-06-10 | 俞海平 | Box type auxiliary frame and assembly welding process thereof |
| CN114682741A (en) * | 2022-04-11 | 2022-07-01 | 宁波百宏模具有限公司 | Core structure of automobile auxiliary frame mold |
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| CN111361643B (en) * | 2018-12-26 | 2021-11-12 | 北京宝沃汽车有限公司 | Connecting assembly, frame assembly and vehicle |
| CN109572820A (en) * | 2019-01-30 | 2019-04-05 | 东风小康汽车有限公司重庆分公司 | Front auxiliary car frame front cross beam and automobile |
| CN110395314A (en) * | 2019-03-15 | 2019-11-01 | 宁波可挺汽车零部件有限公司 | A kind of automobile front subframe assembly |
| CN111845939A (en) * | 2019-04-28 | 2020-10-30 | 浙江吉利控股集团有限公司 | Automobile front suspension crossbeam |
| CN111845939B (en) * | 2019-04-28 | 2022-04-19 | 浙江吉利控股集团有限公司 | Automobile front suspension crossbeam |
| CN112829832A (en) * | 2021-03-19 | 2021-05-25 | 大运汽车股份有限公司 | Front auxiliary frame assembly of electric passenger car |
| CN114682741A (en) * | 2022-04-11 | 2022-07-01 | 宁波百宏模具有限公司 | Core structure of automobile auxiliary frame mold |
| CN114604317A (en) * | 2022-04-21 | 2022-06-10 | 俞海平 | Box type auxiliary frame and assembly welding process thereof |
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