CN110155177A - A kind of complete half frame subframe of aluminium of three-stage - Google Patents
A kind of complete half frame subframe of aluminium of three-stage Download PDFInfo
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- CN110155177A CN110155177A CN201810205821.7A CN201810205821A CN110155177A CN 110155177 A CN110155177 A CN 110155177A CN 201810205821 A CN201810205821 A CN 201810205821A CN 110155177 A CN110155177 A CN 110155177A
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- aluminium
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 33
- 239000004411 aluminium Substances 0.000 title claims abstract description 32
- 238000001125 extrusion Methods 0.000 claims abstract description 100
- 238000009434 installation Methods 0.000 claims abstract description 54
- 238000003466 welding Methods 0.000 claims abstract description 26
- 239000003381 stabilizer Substances 0.000 claims abstract description 25
- 239000000725 suspension Substances 0.000 claims abstract description 19
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 18
- 230000002787 reinforcement Effects 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 21
- 238000003801 milling Methods 0.000 claims description 19
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 239000011651 chromium Substances 0.000 claims description 6
- 239000011777 magnesium Substances 0.000 claims description 6
- 239000011572 manganese Substances 0.000 claims description 6
- 239000010936 titanium Substances 0.000 claims description 6
- 239000011701 zinc Substances 0.000 claims description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000012797 qualification Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 11
- 239000010959 steel Substances 0.000 description 11
- 238000013461 design Methods 0.000 description 8
- 238000005266 casting Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 208000020442 loss of weight Diseases 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- -1 steering Substances 0.000 description 1
- 238000012916 structural analysis Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- B62D21/09—Means for mounting load bearing surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
- B62D29/008—Superstructures, understructures, or sub-units thereof, characterised by the material thereof predominantly of light alloys, e.g. extruded
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a kind of complete half frame subframes of aluminium of three-stage, including intermediate extrusion and extrusion, the intermediate extrusion both sides are respectively provided with an extrusion, extrusion and intermediate extrusion pass through welded connecting, the extrusion is equipped with control arm Handle bushing and installs interface, control arm Ride bushing installs interface, stabiliser bar installs interface, subframe and front stringpiece of vehicle body interface, subframe and under body interface, subframe module mounting-positioning holes, location hole behind subframe welding tooling prelocalization hole and subframe welding tooling, the extrusion top is equipped with subframe and chassis runner I type reinforcement structure, the intermediate extrusion upper and lower ends are equipped with turning machine installation interface at a certain distance, the intermediate extrusion front end is equipped with dynamic assembly suspension interface, the intermediate extrusion bottom end is equipped with two at a certain distance A bottom backplate installs rivet.The present invention is all made of aluminium alloy, light-weight, and sub- number of parts is few, at low cost, and product qualification rate is high.
Description
Technical field
The present invention relates to auto parts field, specifically a kind of complete half frame subframe of aluminium of three-stage.
Background technique
Subframe is the important structural member of automobile chassis system, is mainly used to the systems such as supporting suspension, steering, suspension, mentions
The coupling stiffness of high suspension, so that NVH the and VD performance of vehicle, optimizes the assembly method of chassis system part.
Traditional subframe generally uses steel to make, and the design of part needed is completed using stamping-welded technique.
Punch welding steel subframe intensity is generally preferable, and stamping and forming structure is flexible, in addition punch welding technique relative maturity,
Cost is relatively low for steel, so this form use of steel subframe at present is than wide.But there are weight weights, son for steel subframe
Number of parts is more, and weld seam is more and long, and punch welding process is various, and critical size quality is more difficult to control, in addition steel
Part easily corrodes, and material can not reuse after corrosion, cause the waste of material resources.
It is more and more in order to meet the demands such as urgent at present traditional vehicle fuel economy and electric vehicle course continuation mileage
Auto parts start using lightweight and the material of recoverable.Aluminium is known as substituting steel as subframe raw material
It is already known to research tendency and the direction of each main engine plants or supplier.
In the product of aluminum current subframe, main Product Process has integral high pressure casting and forming, extruded aluminium and casting aluminium
Welding etc..
But integral high pressure casting and forming is high to die apparatus requirement, technique threshold is high and scrappage is higher；It squeezes
Aluminium and the technique of casting aluminium welding are chiefly used in full frame subframe, and sub- number of parts is more, is not suitable for half frame subframe.
Summary of the invention
The purpose of the present invention is to provide a kind of complete half frame subframes of aluminium of three-stage, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the invention provides the following technical scheme:
A kind of complete half frame subframe of aluminium of three-stage, including intermediate extrusion and extrusion, the intermediate extrusion both sides are respectively provided with
By being welded to connect, the extrusion is pacified equipped with control arm Handle bushing for one extrusion, extrusion and intermediate extrusion
Attaching mouth, control arm Ride bushing installation interface, stabiliser bar installation interface, subframe and front stringpiece of vehicle body interface, subframe with
Under body interface, subframe module mounting-positioning holes, stabiliser bar bolt installation space hole, subframe welding tooling prelocalization hole and
Location hole after subframe welding tooling, the control arm Handle bushing installation interface are located at extrusion left end, the control arm
Handle bushing is installed and is equipped with subframe and front stringpiece of vehicle body interface on the left of interface, and the control arm Handle bushing installs interface
Right side is equipped with control arm Ride bushing and installs interface, is equipped with subframe on the right side of the control arm Ride bushing installation interface and gets off
Subframe module mounting-positioning holes are equipped on the right side of body interface, the subframe and under body interface, the extrusion upper end presses one
Fixed spacing sets that there are two stabiliser bars to install interface, sets that there are two stabiliser bar bolts to install on the extrusion bottom end at a certain distance
Spatial hole, location hole is separately positioned on extrusion bottom end behind the subframe welding tooling prelocalization hole and subframe welding tooling
The left and right sides, the extrusion top are equipped with subframe and chassis runner I type reinforcement structure, and the subframe and chassis runner are pacified
Attaching mouth uses I font reinforcement structure, and the intermediate extrusion upper and lower ends are equipped with turning machine installation interface at a certain distance,
The turning machine installs interface and uses aluminium alloy casing, and the turning machine installation interface and intermediate extrusion, which pass through, to be welded to connect,
Dynamic assembly suspension interface is equipped on the left of the intermediate extrusion, the dynamic assembly suspension interface uses two aluminium alloy sheet bodies
It is welded to connect with intermediate extrusion.
As a further solution of the present invention: the extrusion and intermediate extrusion are all made of engraved structure.
As further scheme of the invention: being installed with two stabiliser bars in two stabiliser bar bolt installation space holes
Interface is correspondingly arranged.
As further scheme of the invention: being respectively equipped with carrying turning machine region, carrying on the intermediate extrusion
Stabiliser bar region, carrying suspension region, supporting zone and remaining region.
As further scheme of the invention: the extrusion and intermediate extrusion are all made of 6061 material of aluminium alloy,
Its material property are as follows: tensile strength >=300Mpa；Yield strength >=263Mpa；Elongation >=10%；Copper Cu:0.15~0.4；Manganese
Mn:≤0.15；Magnesium Mg:0.8~1.2；Zinc Zn :≤0.25；Chromium Cr:0.04~0.35；Titanium Ti :≤0.15；Silicon Si:0.4~
0.8；Iron Fe :≤0.7；Aluminium Al: surplus.
As the present invention further scheme: the intermediate extrusion bottom end sets that there are two backplates of going to the bottom at a certain distance
Rivet is installed, bottom backplate installation rivet uses M6 rivet, the intermediate extrusion bottom end set there are two rear leakage hole with
One preceding leakage hole.
As further scheme of the invention: the preparation method of the complete half frame subframe of aluminium of the three-stage, including with
Lower step: 1) it squeezes；2) single-piece work；3) components welding；4) timeliness；5) milling face is cut holes；6) left side milling is cut holes above；7) right side
Milling is cut holes above；8) left side milling is following；9) right side milling is following；10) welded connecting plate；11) left side mills waist hole；12) right side mills waist
Hole；13) left side mills circular hole；14) right side mills circular hole；All fastener mounting surfaces are required by cutting holes scalping process, to protect
The size requirement for demonstrate,proving mounting surface, is fixed on two parts so that fastener clamping force be made all to act on.
Compared with prior art, the beneficial effects of the present invention are: the present invention is all made of by intermediate extrusion and extrusion
Aluminium alloy, pts wt is light, and half frame subframe weight of same level vehicle steel is about 11kg or so, the complete half frame subframe of aluminium
Weight is 7.8kg, and loss of weight ratio is about 30% or so；Sub- number of parts greatly reduces, and is conducive to control part quality；Only need
Two aluminium alloy extrusion moulds, left and right extrusion is symmetrical, can share the same extrusion die, only later period mach technique
Different from, number of molds greatly reduce, and advantageously reduce die cost；Sealing wire is short, and region is few, passes through CAE analysis knot
Structure and actual parts engine bench test structure show that endurance quality better than same level steel subframe, is hanged by power assembly
Interface is set, suspension system mounting bracket is provided, mounting bracket quantity is reduced, and simplify subframe internal structure, is conducive to
The light-weight design of vehicle entirety；It is all extruded aluminium technique, technique threshold is low.Relative to integral high pressure casting and forming work
Skill, product qualification rate are high, it is easier to realize and promote.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the complete half frame subframe of aluminium of three-stage.
Fig. 2 is the structural schematic diagram of the bottom view of the complete half frame subframe of aluminium of three-stage.
Fig. 3 is the structural schematic diagram in intermediate extrusion section in the complete half frame subframe of aluminium of three-stage.
Fig. 4 is the structural schematic diagram of extrusion in the complete half frame subframe of aluminium of three-stage.
Specific embodiment
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 description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It 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.
Please refer to Fig. 1~4, in the embodiment of the present invention, a kind of complete half frame subframe of aluminium of three-stage, including intermediate extrusion 2
With extrusion 1, intermediate 2 both sides of extrusion are respectively provided with an extrusion 1, and extrusion 1 and intermediate extrusion 2 are connected by welding
It connects, forms the main structure of subframe, the extrusion 1 and intermediate extrusion 2 are all made of engraved structure, heavy in section hollow to set
Meter, stress large area are provided with reinforcing rib structure, and optimization design of part is to reach in the case where meeting intensity and durable requirement
Utmostly light-weighted purpose, the extrusion 1 are equipped with control arm Handle bushing installation interface 3, control arm Ride lining
Set installation interface 4, stabiliser bar installation interface 5, subframe and front stringpiece of vehicle body interface 8, subframe and under body interface 9, secondary vehicle
Frame module mounting-positioning holes 10, stabiliser bar bolt installation space hole 11, subframe welding tooling prelocalization hole 15 and subframe weldering
Location hole 16 after tooling is connect, the control arm Handle bushing installation interface 3 is located at 1 left end of extrusion, in design control arm
When Handle bushing installs interface, need to be machined out extrusion 1, to guarantee the space of installation tool, the control arm
Handle bushing is installed and is equipped with subframe and front stringpiece of vehicle body interface 8 on the left of interface 3, and the control arm Handle bushing installation connects
3 right side of mouth is equipped with control arm Ride bushing and installs interface 4, and the control arm Ride bushing is installed on the right side of interface 4 equipped with subframe
With under body interface 9, subframe module mounting-positioning holes 10, the extruding are equipped on the right side of the subframe and under body interface 9
1 upper end of part sets that there are two stabiliser bars to install interface 5 at a certain distance, set on 1 bottom end of extrusion at a certain distance there are two
Stabiliser bar bolt installation space hole 11, two stabiliser bar bolt installation space holes 11 and two stabiliser bar installation interfaces 5 are right
It should be arranged, 11 diameter of stabiliser bar bolt installation space hole is 32mm, in order to guarantee the installation of control arm screw bolt and nut, with
Guarantee has enough installation spaces, and location hole 16 divides behind the subframe welding tooling prelocalization hole 15 and subframe welding tooling
She Zhi not be at left and right sides of extrusion bottom end, 1 top of extrusion is equipped with subframe and chassis runner I type reinforcement structure 17,
The subframe and chassis runner I type reinforcement structure 17 use I font reinforcement structure, due to carry entirely with vehicle body tie point
The load of subframe and installed part, balance based on loss of weight and intensity higher to structural requirement, the subframe and vehicle
17 upper and lower ends width dimensions of body stringer I type reinforcement structure are 43.7mm, intermediate wide to provide M14 bolt enough loading ends
Degree is 25.7mm, and with light-weight design as far as possible, the intermediate position of the extrusion 1 is equipped with subframe body interior reinforcing rib knot
Structure, intermediate 2 upper and lower ends of extrusion are equipped with turning machine installation interface 6 at a certain distance, and the installation as turning machine connects
Mouthful, the turning machine installation interface 6 uses aluminium alloy casing, and the turning machine installation interface 6 and intermediate extrusion 2 pass through welding
It connects, dynamic assembly suspension interface 7 is equipped on the left of the intermediate extrusion 2, it is described as the installation interface of dynamic assembly suspension
Dynamic assembly suspension interface 7 is welded to connect using two aluminium alloy sheet bodies and intermediate extrusion 2, this mounting means only needs to increase
Twice welding procedure thereby may be ensured that subframe inner structure form is simple, be more suitable for extrusion forming process, and the centre is squeezed
2 bottom end of casting die is set at a certain distance there are two bottom backplate installation rivet 13, utilizes the work of rivet indentation extruding aluminium alloy sectional
Skill, provides the installation point of bottom backplate, and the bottom backplate installation rivet 13 uses M6 rivet, sets to simplify subframe ontology
Meter provides the installation interface of bottom protection plate by the way of rivet indentation, is more advantageous to vehicle assembly, the intermediate extrusion 2
Bottom end is set there are two rear leakage hole 12 and a preceding leakage hole 14, since intermediate extrusion 2 uses intermediate engraved structure, has product
The problem of water, is provided with 3 leakage holes in reasonable position, is respectively equipped with and holds on the intermediate extrusion 2 by structural analysis
Carry turning machine region, carrying stabiliser bar region, carrying suspension region, supporting zone and remaining region, the carrying turning machine area
Having a size of 6mm, the carrying suspension region and supporting zone thickness are 4mm for domain and carrying stabiliser bar area thickness, remaining
Area thickness is 3mm, and intermediate 2 width dimensions of extrusion are 242mm, height dimension 65.6mm, according to part load
Bearing area is different, different zones is used with the extrudate of different-thickness, thus optimization design as far as possible, the extrusion
1 is all made of aluminum alloy material with intermediate extrusion 2, and the extrusion 1 and intermediate 2 material of extrusion are aluminium alloy 6061, specifically
Material property it is as follows:
Tensile strength >=300Mpa；
Yield strength >=263Mpa；
Elongation >=10%；
Copper Cu: 0.15~0.4；
Manganese Mn :≤0.15；
Magnesium Mg: 0.8~1.2；
Zinc Zn :≤0.25；
Chromium Cr: 0.04~0.35；
Titanium Ti :≤0.15；
Silicon Si: 0.4~0.8；
Iron Fe :≤0.7；
Aluminium Al: surplus.
In order to which optimization design, reduction difficulty of processing, the complete half frame subframe manufacturing procedure of aluminium of the three-stage are a total of as far as possible
14, it is respectively: (1) squeezes；(2) single-piece work；(3) components welding；(4) timeliness；(5) milling face is cut holes；(6) left side mills above
Hole milling；(7) right side milling is cut holes above；(8) left side milling is following；(9) right side milling is following；(10) welded connecting plate；(11) left side milling
Waist hole；(12) right side mills waist hole；(13) left side mills circular hole；(14) right side mills circular hole；All fastener mounting surfaces require through
Hole milling scalping process is crossed, to guarantee the size requirement of mounting surface, so that acting on fastener clamping force all fixes two zero
On part.
The present invention welds together with left and right extrusion 1 respectively in use, passing through intermediate extrusion 2, forms subframe
Main structure is welded to connect, as dynamic using two aluminium alloy sheet bodies and intermediate extrusion 2 by dynamic assembly suspension interface 7
The installation interface of power assembly suspension；Interface 6 is installed by turning machine to connect using aluminium alloy casing and intermediate extrusion 2 by welding
It connects, the installation interface as turning machine；After welding, hole milling milling face is carried out, the installation of control arm Handle bushing is provided respectively and is connect
Mouthfuls 3, control arm Ride bushing installation interface 4, stabiliser bar installation interface 5, subframe and front stringpiece of vehicle body interface 8, subframe with
Under body interface 9, bottom backplate installation rivet 13 and subframe module mounting-positioning holes 10, by intermediate extrusion 2 and squeeze
Part 1 is all made of aluminium alloy, and pts wt is light, and half frame subframe weight of same level vehicle steel is about 11kg or so, the full aluminium
Half frame subframe weight is 7.8kg, and loss of weight ratio is about 30% or so；Sub- number of parts greatly reduces, and is conducive to control part matter
Amount；Two aluminium alloy extrusion moulds are only needed, left and right extrusion is symmetrical, can share the same extrusion die, only later period machine
The technique different from of processing, number of molds greatly reduce, and advantageously reduce die cost；Sealing wire is short, and region is few, passes through
CAE analysis structure and actual parts engine bench test structure show endurance quality better than same level steel subframe, by dynamic
Power assembly suspends interface 7, provides suspension system mounting bracket, reduces mounting bracket quantity, and simplify subframe internal junction
Structure is conducive to the light-weight design of vehicle entirety；It is all extruded aluminium technique, technique threshold is low.It is cast relative to integral high pressure
Moulding process is made, product qualification rate is high, it is easier to realize and promote.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of complete half frame subframe of aluminium of three-stage, including intermediate extrusion (2) and extrusion (1), which is characterized in that in described
Between extrusion (2) both sides be respectively provided with an extrusion (1), extrusion (1) and intermediate extrusion (2) are described by being welded to connect
Extrusion (1) is equipped with control arm Handle bushing installation interface (3), control arm Ride bushing installation interface (4), stabiliser bar peace
Attaching mouth (5), subframe and front stringpiece of vehicle body interface (8), subframe and under body interface (9), the installation positioning of subframe module
After hole (10), stabiliser bar bolt installation space hole (11), subframe welding tooling prelocalization hole (15) and subframe welding tooling
Location hole (16), control arm Handle bushing installation interface (3) are located at extrusion (1) left end, the control arm Handle
Bushing is installed and is equipped with subframe and front stringpiece of vehicle body interface (8) on the left of interface (3), and the control arm Handle bushing installs interface
(3) right side is equipped with control arm Ride bushing installation interface (4), is equipped with pair on the right side of control arm Ride bushing installation interface (4)
Vehicle frame and under body interface (9), the subframe and under body interface (9) right side are equipped with subframe module mounting-positioning holes
(10), extrusion (1) upper end sets that there are two stabiliser bar installations interface (5) at a certain distance, on extrusion (1) bottom end
Stabiliser bar bolt installation space hole (11), the subframe welding tooling prelocalization hole (15) and pair there are two setting at a certain distance
Location hole (16) is separately positioned at left and right sides of extrusion bottom end after Frame Welding tooling, and extrusion (1) top is equipped with pair
Vehicle frame and chassis runner I type reinforcement structure (17), the subframe and chassis runner installation interface (17) are reinforced tying using I font
Structure, intermediate extrusion (2) upper and lower ends are equipped with turning machine installation interface (6), the turning machine installation at a certain distance
Interface (6) uses aluminium alloy casing, turning machine installation interface (6) and intermediate extrusion (2) by being welded to connect, it is described in
Between be equipped with dynamic assembly suspension interface (7) on the left of extrusion (2), the dynamic assembly suspension interface (7) uses two aluminium alloys
Sheet body and intermediate extrusion (2) are welded to connect.
2. the complete half frame subframe of aluminium of three-stage according to claim 1, which is characterized in that the extrusion (1) and centre
Extrusion (2) is all made of engraved structure.
3. the complete half frame subframe of aluminium of three-stage according to claim 1, which is characterized in that two stabiliser bar bolt peaces
Dress spatial hole (11) is correspondingly arranged with two stabiliser bar installations interface (5).
4. the complete half frame subframe of aluminium of three-stage according to claim 1, which is characterized in that on the intermediate extrusion (2)
It is respectively equipped with carrying turning machine region, carrying stabiliser bar region, carrying suspension region, supporting zone and remaining region.
5. the complete half frame subframe of aluminium of three-stage according to claim 1, which is characterized in that the extrusion (1) and centre
Extrusion (2) is all made of 6061 material of aluminium alloy, material property are as follows: tensile strength >=300Mpa；Yield strength >=263Mpa；
Elongation >=10%；Copper Cu:0.15~0.4；Manganese Mn :≤0.15；Magnesium Mg:0.8~1.2；Zinc Zn :≤0.25；Chromium Cr:0.04~
0.35；Titanium Ti :≤0.15；Silicon Si:0.4~0.8；Iron Fe :≤0.7；Aluminium Al: surplus.
6. the complete half frame subframe of aluminium of three-stage according to claim 1, which is characterized in that intermediate extrusion (2) bottom
End is set at a certain distance there are two bottom backplate installation rivet (13), and bottom backplate installation rivet (13) uses M6 rivet,
Intermediate extrusion (2) bottom end is set there are two rear leakage hole (12) and a preceding leakage hole (14).
7. a kind of preparation method of the complete half frame subframe of aluminium of three-stage as described in claim 1-6 is any, which is characterized in that packet
It includes following steps: 1) squeezing；2) single-piece work；3) components welding；4) timeliness；5) milling face is cut holes；6) left side milling is cut holes above；7)
Right side milling is cut holes above；8) left side milling is following；9) right side milling is following；10) welded connecting plate；11) left side mills waist hole；12) right side
Mill waist hole；13) left side mills circular hole；14) right side mills circular hole；All fastener mounting surfaces are required by cutting holes scalping process,
To guarantee the size requirement of mounting surface, fixed on two parts so that fastener clamping force be made all to act on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810205821.7A CN110155177A (en) | 2018-03-13 | 2018-03-13 | A kind of complete half frame subframe of aluminium of three-stage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810205821.7A CN110155177A (en) | 2018-03-13 | 2018-03-13 | A kind of complete half frame subframe of aluminium of three-stage |
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| CN110155177A true CN110155177A (en) | 2019-08-23 |
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| CN201810205821.7A Pending CN110155177A (en) | 2018-03-13 | 2018-03-13 | A kind of complete half frame subframe of aluminium of three-stage |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113061819A (en) * | 2021-03-09 | 2021-07-02 | 上海友升铝业股份有限公司 | Aluminum alloy auxiliary frame performance strengthening process |
| CN115352528A (en) * | 2022-09-16 | 2022-11-18 | 岚图汽车科技有限公司 | Front auxiliary frame and vehicle thereof |
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| KR20080018384A (en) * | 2006-08-24 | 2008-02-28 | 현대모비스 주식회사 | Aluminum property sub frame in vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113061819A (en) * | 2021-03-09 | 2021-07-02 | 上海友升铝业股份有限公司 | Aluminum alloy auxiliary frame performance strengthening process |
| CN115352528A (en) * | 2022-09-16 | 2022-11-18 | 岚图汽车科技有限公司 | Front auxiliary frame and vehicle thereof |
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