CN110315924A - The high-performance torsion beam of plate shaping - Google Patents
The high-performance torsion beam of plate shaping Download PDFInfo
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- CN110315924A CN110315924A CN201910700155.9A CN201910700155A CN110315924A CN 110315924 A CN110315924 A CN 110315924A CN 201910700155 A CN201910700155 A CN 201910700155A CN 110315924 A CN110315924 A CN 110315924A
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- outer waist
- shaped groove
- torsion beam
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- 238000007493 shaping process Methods 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000008569 process Effects 0.000 claims abstract description 9
- 238000005452 bending Methods 0.000 claims abstract description 7
- 238000003466 welding Methods 0.000 claims description 15
- 238000000465 moulding Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 2
- 210000001624 hip Anatomy 0.000 claims 31
- 239000000463 material Substances 0.000 description 17
- 230000006872 improvement Effects 0.000 description 10
- 238000012545 processing Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- 208000010392 Bone Fractures Diseases 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000011265 semifinished product Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000009966 trimming Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 238000003698 laser cutting Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009661 fatigue test Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
- B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
- B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
- B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
- B60G21/051—Trailing arm twist beam axles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/14—Suspension elements of automobile vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/20—Constructional features of semi-rigid axles, e.g. twist beam type axles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The present invention relates to the technical fields of torsion beam, and in particular to a kind of high-performance torsion beam of plate shaping, including crossbeam, the section of crossbeam are closed；Crossbeam is that plate is welded after bending process；The cross section of crossbeam is in inverted V-shaped groove, crossbeam includes the interior waist on the inside of V-shaped groove and the outer waist on the outside of V-shaped groove, outer waist includes the first outer waist and the second outer waist, the end face face of the closed end positioned at V-shaped groove of first outer waist and the second outer waist is arranged, and the first outer waist and the second outer waist are fixed；It is equipped between first outer waist and the second outer waist and pre-fixes mechanism, pre-fixing mechanism includes bayonet and buckle, and bayonet is located on the first outer waist, and buckle is located on the second outer waist.The technical problem for causing crossbeam service life short that one chip crossbeam in the prior art is easy to happen fatigue fracture can solve using this programme.
Description
Technical field
The present invention relates to the technical fields of torsion beam, and in particular to a kind of high-performance torsion beam of plate shaping.
Background technique
The suspension of torsion beam type is one kind of automobile rear suspension type, is to balance the upper of left and right wheels by a torsion beam
Lower bounce, to reduce the stable technology of vehicle rocked, keep vehicle.
Crossbeam is made using one chip V shaped slab material in present torsion beam, to mitigate the overall weight of torsion beam, makes its satisfaction
Light-weighted design requirement, but the crossbeam anti-torsion performance of one chip and the ability of fatigue crack-resistant are lower, are easy torsion
Fracture, causes the service life of torsion beam to reduce, while also increasing the danger coefficient of vehicle driving；Using closed torsion
Beam can promote the anti-fatigue ability of crossbeam to a certain extent, but existing closed torsion beam is suppressed by tubing, is added
The technics comparing of work is complicated, and the cost of raw material is higher, and higher to the quality requirement of raw material, additionally increases verifying former material
The cost for expecting quality, causes the overall cost of torsion beam significantly to be promoted.
Summary of the invention
The invention is intended to provide the high-performance torsion beam of plate shaping, it is easy to happen with one chip crossbeam in the prior art tired
Labor is broken the technical problem for causing crossbeam service life short.
In order to achieve the above objectives, the present invention adopts the following technical scheme: the high-performance torsion beam of plate shaping, including cross
Beam, crossbeam are that plate is welded after bending process, the section of crossbeam be it is closed, the cross section of crossbeam is in inverted V
Shape channel-shaped, crossbeam include the interior waist on the inside of V-shaped groove and the outer waist on the outside of V-shaped groove, and outer waist includes outside first
The end face face of the closed end positioned at V-shaped groove of waist and the second outer waist, the first outer waist and the second outer waist is arranged, and the
One outer waist and the second outer waist are fixed；It is equipped between first outer waist and the second outer waist and pre-fixes mechanism, pre-fix mechanism
Including bayonet and buckle, bayonet is located on the first outer waist, and buckle is located on the second outer waist.
The principle and advantage of this programme are: 1) this programme uses the crossbeam of closed section, compared to one chip crossbeam, originally
The ability that there is the crossbeam of scheme stronger stability and anti-torsion to be broken；
2) this programme makes crossbeam using plate, and compared to using for tubing production, the supplied materials quality of plate is to finished product
Quality influences little, it is only necessary to carry out the control of material report to plate, convenient for control, advantageously reduce monitoring supplied materials matter
The cost of amount；And the crossbeam of plate shaping, after Overheating Treatment, tensile strength and yield strength are bigger, compared to materials in the tube plus
The service life is longer for the crossbeam of work；It is bigger to the utilization rate of material when using Sheet Metal Processing, and cost is lower；
3) this programme is by pre-fixing the design of mechanism, can when carrying out stamping forming to plate, make the first joint face and
The position of second joint face is relatively fixed, avoids plate and restores deformation and lead to shape between the first joint face and the second joint face
At gap width become larger the case where, and then ensure that the quality of the weld seam formed between the first outer waist and the second outer waist,
So that the quality of crossbeam product is guaranteed.
Preferably, as an improvement, interior waist includes waist in waist and second in first, waist and first in first
The abutting of outer waist, and in first waist and the first outer waist connecting portion rounding off；Waist and the second outer waist in second
The abutting in portion, and in second waist and the second outer waist connecting portion rounding off；Waist in waist and second in first
Connecting portion is equipped with to the fin far from the first outer waist direction protrusion, and fin is arranged along the length direction of crossbeam.
The connecting portion rounding off of waist and the first outer waist can enhance waist and the first outer waist in first in first
Between stress transfer stability, stress condition mutation the case where leading to fatigue fracture is avoided, so that the service life of crossbeam
It is longer；And when fin being set the later period welding the first outer waist and the second outer waist, it will not be influenced by interior waist.
Preferably, as an improvement, groove is equipped in bayonet, the bottom of groove is equipped with translot perpendicular to groove；It is described
Buckle is equipped with the engaging column cooperated with groove, and the free end for engaging column is fixed with clamping protrusion perpendicular to engaging column.
After in the engaging column insertion groove of this programme, sliding laterally, which falls into clamping protrusion in translot, be can be realized to first
Outer waist and the second outer waist pre-fix, and avoiding the second outer waist cannot keep the situation concordant with the first outer waist, into
And before avoiding the first outer waist and the second outer waist being fixed, opposite sliding occurs for the first outer waist and the second outer waist
The case where.
Preferably, as an improvement, the position that translot is connect with groove is equipped with chamfering, is additionally provided on translot flat with groove
The locking slot of row setting；Length direction in the clamping protrusion along engaging column slidably connects hoodle, hoodle and clamping protrusion
Between be equipped with reset spring.
In use, hoodle is pressed into clamping protrusion, when clamping protrudes out into translot when clamping protrusion falls into translot
Afterwards, it when hoodle slides into the position of locking slot, i.e., is ejected under the action of reset spring, to realize buckle and bayonet
It is locked.
Preferably, as an improvement, support spring is fixed on crossbeam, support spring is laterally set to the V-arrangement of crossbeam
In slot.
The support spring of this programme can provide a supporting role when deformation occurs in torsion beam for it, while can also lead to
The direct contact for crossing spring, makes in first that waist directly contacts in waist and second, accelerates in first waist in waist and second
Between stress transfer prevent from acting directly on that the instantaneous stress on crossbeam is excessive leads to improve the service life of torsion beam
The problem of causing crossbeam to be easily damaged.
Preferably, as an improvement, the wedge shape that the inner wall of wedge surface and V-shaped groove fits is fixed on the inside of V-shaped groove
Link block, support spring are fixedly connected by wedge-shaped link block with crossbeam.
This programme can be adjusted the direction of the joint face of support spring, avoid support spring and occur along central axes side
To deformation lead to support spring serious wear the case where.
Preferably, as an improvement, the first outer waist and the second outer waist are fixed using mariages arc-welding.
Mariages arc-welding has the advantages that speed of welding is high, welding wire deposition rate is high, weldquality is good, can guarantee crossbeam weld seam matter
Amount, and the efficiency of beam welding can be improved.
Preferably, as an improvement, crossbeam molding after, the gap between the first outer waist and the end face of the second outer waist
For 0.5mm.
This programme can guarantee that solder effectively adheres to, avoid gap it is excessive cause solder be easy walked from the lower side leakage in gap,
And then the problem for causing the quality of weld seam bad.
Preferably, as an improvement, the end of V-shaped groove is close to the edge of plate corresponding end, and the depth of V-shaped groove end
Less than the depth in V-shaped groove middle position.
Depth is deep in the middle part of the V-shaped groove of this programme, reduces the overall quality of crossbeam, crossbeam meets light-weighted set
Meter, when also wheel being beated, the middle part of crossbeam can twist, so that vehicle keeps smooth ride；Meanwhile it is horizontal
The distorting stress of beam is concentrated mainly on transition region, and the not middle part of crossbeam, so the middle part depth of V-shaped groove will not reduce deeply
The anti-torsion fracture property of crossbeam；The end depth of V-shaped groove reduces, so that the ability that the transition region anti-torsion of crossbeam is broken increases
By force, so this programme is so that crossbeam meets light-weight design requirement, and crossbeam is made to have stronger anti-torsion fracture property.
Preferably, as an improvement, the two sides of plate are equipped with the limit limited for two long sides to plate
Mechanism.
This programme reduces the requirement of processing technology using the very mature bayonet and buckle structure of the prior art, also makes the
Pre-fixing for one outer waist and the second outer waist is more stable.
Detailed description of the invention
Fig. 1 is the process schematic in the high-performance torsion beam embodiment one of plate shaping of the present invention.
Fig. 2 is the left view of the semi-finished product formed in the embodiment of the present invention one through fold.
Fig. 3 is the partial enlarged view of the first outer waist upper end in Fig. 2.
Fig. 4 is the partial enlarged view of the second outer waist upper end in Fig. 2.
Fig. 5 is limited location fork used in step D and the structural schematic diagram for combining handle.
Fig. 6 is the stamped left view cross-sectional view after molding of crossbeam in the embodiment of the present invention one.
Fig. 7 is the shaped article cross-sectional view of the embodiment of the present invention two.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes: waist 3, the first outer waist in waist 2, second in V-shaped groove 1, first
4, the second outer waist 5, the first joint face 6, the second joint face 7, bayonet 8, buckle 9, hoodle 10, weld seam 11, location hole 12, limit
Pitch 13, in conjunction with handle 14, support spring 15.
Embodiment one
As shown in Fig. 1: the high-performance torsion beam of plate shaping, including crossbeam, crossbeam is by plate after bending process
Be welded, as shown in fig. 6, the section of crossbeam be it is closed, the cross section of crossbeam is in inverted V-shaped groove 1, and crossbeam includes being located at
The interior waist of the inside of V-shaped groove 1 and outer waist positioned at 1 outside of V-shaped groove, interior waist include waist in waist 2 and second in first
3, herein by waist 2 in first that are named as in left side, right side is named as waist 3 in second；Waist in waist 2 and second in first
Downwardly convex fin is bent to form on the crossover position in portion 3, fin is arranged along the length direction of crossbeam, specific bending process
Processing step is as follows:
Blanking: step A intercepts the plate of rectangle using plate shearing machine from raw material plate；
Drawing: step B carries out drawing to plate using mold, makes to form V-arrangement on the center line on plate along its length
Slot 1；The end of V-shaped groove 1 is close to the edge of plate corresponding end, and the depth of 1 end of V-shaped groove is less than the depth in 1 middle position of V-shaped groove
Degree；
Trimming and piercing die: step C carries out deburring using four sides of the trimming and piercing die to the plate after drawing, and on plate
Two location holes 12 of punching press, two location holes 12 are located at the outside of 1 two ends of V-shaped groove；
Step D, flange: positioning plate by location hole 12, is then fixed on limited location fork 13 as shown in Figure 5
The upper end in the outside of two long sides of plate, limited location fork 13 uses hollow design, the lower end of the matched combination handle 14 used
Integrally formed with two stocks straight down, the diameter of stock is equal to the internal diameter of limited location fork 13, will after limited location fork 13 is fixed
In stock insertion limited location fork 13 in conjunction with 14 lower end of handle, and will be fixed in conjunction with handle 14, then using flange die by two of plate
Long side forms the first outer waist 4 and the second outer waist 5, the first outer waist 4 and the second outer formation of waist 5 towards same direction flange
Through slot, and the notch direction of through slot is contrary with the notch of V-shaped groove 1, forms semi-finished product shown in Fig. 2, then by limited location fork
13 and combine handle 14 respectively to both ends extract out；
Mechanism is pre-fixed as shown in Fig. 2, being fixedly connected on the corresponding end face of the short side of outer waist by spot welding, is pre-fixed
Mechanism includes bayonet 8 and buckle 9, and bayonet 8 is located on the first outer waist 4, and buckle 9 is located on the second outer waist 5, bayonet 8 and card
The position of button 9 is symmetrical about the perpendicular bisector of V-shaped groove 1；It is set on outer waist herein there are two mechanism is pre-fixed, two pre-fix mechanism
It is symmetrical about the perpendicular bisector in plate long side；As shown in Figure 3, Figure 4, groove is provided in bayonet 8, the bottom of groove is perpendicular to groove
It is provided with translot, translot is connected to groove, and the position connected uses rounding off, is also provided on translot disposed in parallel with groove
Locking slot；The engaging column for cooperating with groove is welded on buckle 9, the free end for engaging column is fixedly welded perpendicular to engaging column
There is clamping protrusion, clamping protrusion can pass through groove and translot cooperates；Length direction in clamping protrusion along engaging column is slidably connected
There is hoodle 10, the length direction of edge engaging column is provided with sliding slot in clamping protrusion, and hoodle 10 is close to the fixed company in the side of clamping protrusion
It is connected to guide rod, guide rod is welded with reset spring far from one end of hoodle 10, and the free end of reset spring and clamping protrusion are welded
It connects；
Side deburring: step E carries out deburring to the first outer waist 4 and the second outer waist 5 using side trimming die；
Step F, side chamfering: using side chamfering mould to after deburring the first outer waist 4 and the second outer waist 5 carry out chamfering,
In order to subsequent welding；
Molding: step G using the semi-finished product punch forming after the chamfering of shaping mould opposite side, makes first outer 4 He of waist on both sides
Second outer waist 5 is bent towards opposite direction, and the right side of the first outer waist 4 is named as the first joint face 7, the second outer waist
The left side in portion 5 is named as the second joint face 7, and 7 face of the first joint face 6 and the second joint face is made after bending, is formed shown in Fig. 6
Shape, and the width in the gap formed between the first joint face 6 and the second joint face 7 is 0.4mm；It wherein, should be first when punching press
Punching press is carried out to the first outer waist 4, bends the first outer waist 4 to the right；Then punching press is carried out to the second outer waist 5 again,
Make the lower section bending to the left of the second outer waist 5, meanwhile, make to engage in column insertion groove, when engaging the bottom of column insertion groove, card
The lower end of zygostyle can offset at (visual angle Fig. 3) with the fillet of downside, make to engage column to upper right side movement, so that clamping protrusion is inserted
Enter in translot；During clamping protrusion is inserted into translot, hoodle can offset with the fillet position (visual angle Fig. 3) of upside and slide into card
In tight protrusion, when moving on to the position of hoodle and locking slot face in clamping protrusion, hoodle is outside under the action of reset spring
Pop-up is caught in locking slot, to make to engage column and the mutual clamping of groove, keeps the second outer waist 5 and the first outer waist 4 relatively solid
It is fixed；
Welding: step H forms weld seam 11 using welding tooling between the first joint face 6 and the second joint face 7, is allowed to
As closed state；Mariages arc-welding is selected herein.
Laser cutting: excess waste is cut off using laser cutting device, obtains fabricated part by step I.
It is had the characteristics that by the crossbeam that above-mentioned technique obtains；1) crossbeam of this programme uses closed section, compares
In the ability that there is stronger stability and anti-torsion to be broken for one chip crossbeam, the crossbeam of this programme；2) this programme uses plate
Crossbeam is made, compared to using for tubing production, the supplied materials quality of plate influences final product quality little, it is only necessary to plate
The control of material report is carried out, convenient for control, advantageously reduces the cost of monitoring supplied materials quality；And the cross of plate shaping
Beam, after Overheating Treatment, tensile strength and yield strength are bigger, and the service life is longer for the crossbeam processed compared to materials in the tube；It utilizes
It is bigger to the utilization rate of material when Sheet Metal Processing, and cost is lower；3) this programme is equipped on plate and pre-fixes mechanism, energy
When carrying out stamping forming to plate, keep the position of the first joint face and the second joint face relatively fixed, avoids plate recovery
Deformation and the case where cause the gap width formed between the first joint face and the second joint face to become larger, and then ensure that outside first
The quality of the weld seam formed between waist and the second outer waist, so that the quality of crossbeam product is guaranteed；4) this programme carries out
When flange, limited, avoided in plate turn-up process by two sides of the limited location fork 13 to plate, two long sides of plate by
The impacted situation of the included angle of V-shaped groove 1 caused by power turns down outward, so as to avoid needing to correct it after flange
Process.
Experimental verification:
The crossbeam that the above process is obtained, welding form torsion beam assembly, then carry out platform experiment verifying.Bench test
Standard: amplitude ± 52mm, frequency 1.5Hz, torsion stiffness 420-490Nm/deg, torsional fatigue test require 200,000 qualifications.
Platform experiment comparison:
Metallographic structure compares after heat treatment:
Mechanical performance actual measurement comparison after heat treatment:
It is above-mentioned it is demonstrated experimentally that 1) crossbeam that welds, the torsion that can satisfy crossbeam are rigid after the plate shaping of this programme production
The demand of degree and fatigue life, and improve the fatigue life of crossbeam, better reliability；
2) it is compared and is found by experimental data, the crossbeam welded after plate shaping, metallographic structure ingredient is more after heat treatment
It unanimously, is 3-7 grades of tempered sorbite, so crossbeam has good toughness and plasticity, while intensity with higher, because
This is with good comprehensive mechanical property；And be heat-treated after crossbeam tensile strength and yield strength it is bigger, compared to materials in the tube
The service life is longer for the crossbeam of processing；
3) by experimental data compare find, using plate make crossbeam, compared to use tubing make for, plate
Supplied materials quality influences final product quality little, it is only necessary to carry out the control of material report to plate, convenient for control, be conducive to
Reduce the cost of monitoring supplied materials quality；And the material unit price of plate is lower, and stock utilization is bigger, and overall cost is smaller.
Embodiment two
As shown in fig. 7, the difference between this embodiment and the first embodiment lies in, it is fixedly welded with support spring 15 on crossbeam, has
Body is to be fixedly welded with wedge-shaped link block in first in waist 2 and second on waist 3 respectively, and the opposite side of wedge-shaped link block is
Perpendicular, the wedge-shaped block welding in the left end of support spring 15 and first on waist 2, in the right end of support spring 15 and second
Wedge-shaped block welding on waist 3.
The support spring 15 of this programme can provide a supporting role, while can also when deformation occurs in torsion beam for it
Make the directly contact of waist 3 in waist 2 and second in first by spring, in quickening first in waist 2 and second between waist 3
Stress transfer prevents from acting directly on that the instantaneous stress on crossbeam is excessive leads to crossbeam to improve the service life of torsion beam
The problem of being easily damaged.
What has been described above is only an embodiment of the present invention, the common sense such as well known specific technical solution and/or characteristic in scheme
It does not describe excessively herein.It should be pointed out that for those skilled in the art, before not departing from technical solution of the present invention
It puts, several modifications and improvements can also be made, these also should be considered as protection scope of the present invention, these all will not influence this
Invent the effect and patent practicability implemented.The scope of protection required by this application should be based on the content of the claims,
The records such as the specific embodiment in specification can be used for explaining the content of claim.
Claims (10)
1. the high-performance torsion beam of plate shaping, including crossbeam, crossbeam is that plate is welded after bending process, crossbeam
Section is closed, it is characterised in that: the cross section of the crossbeam is in inverted V-shaped groove shape, and crossbeam includes being located on the inside of V-shaped groove
Interior waist and the outer waist on the outside of V-shaped groove, outer waist include the first outer waist and the second outer waist, the first outer waist with
The end face face of the closed end positioned at V-shaped groove of second outer waist is arranged, and the first outer waist and the second outer waist are fixed；First
It is equipped between outer waist and the second outer waist and pre-fixes mechanism, pre-fixing mechanism includes bayonet and buckle, and bayonet is located at outside first
On waist, buckle is located on the second outer waist.
2. the high-performance torsion beam of plate shaping according to claim 1, it is characterised in that: the interior waist includes first
Waist in interior waist and second, the abutting of waist and the first outer waist in first, and in first waist and the first outer waist company
Socket part position rounding off；The abutting of waist and the second outer waist in second, and in second waist and the second outer waist interconnecting piece
Position rounding off；The connecting portion of waist is equipped with to far from the convex of the first outer waist direction protrusion in waist and second in first
Rib, fin are arranged along the length direction of crossbeam.
3. the high-performance torsion beam of plate shaping according to claim 1, it is characterised in that: be equipped in the bayonet recessed
The bottom of slot, groove is equipped with translot perpendicular to groove；The buckle is equipped with the engaging column cooperated with groove, engages the freedom of column
End is fixed with clamping protrusion perpendicular to engaging column.
4. the high-performance torsion beam of plate shaping according to claim 3, it is characterised in that: the translot is connect with groove
Position be equipped with chamfering, be additionally provided with and groove locking slot disposed in parallel on translot；Along the length of engaging column in the clamping protrusion
Degree direction slidably connects hoodle, is equipped with reset spring between hoodle and clamping protrusion.
5. the high-performance torsion beam of plate shaping according to claim 1, it is characterised in that: be fixed on the crossbeam
Support spring, support spring are laterally set in the V-shaped groove of crossbeam.
6. the high-performance torsion beam of plate shaping according to claim 5, it is characterised in that: the inside of the V-shaped groove is solid
Surely the wedge-shaped link block that the inner wall equipped with wedge surface and V-shaped groove fits, support spring pass through wedge-shaped link block and the fixed company of crossbeam
It connects.
7. the high-performance torsion beam of plate shaping according to claim 1, it is characterised in that: the first outer waist and
Two outer waists are fixed using mariages arc-welding.
8. the high-performance torsion beam of plate shaping according to claim 7, it is characterised in that: after the crossbeam molding, the
Gap between one outer waist and the end face of the second outer waist is 0.5mm.
9. the high-performance torsion beam of plate shaping according to claim 1, it is characterised in that: the end of the V-shaped groove is leaned on
The edge of nearly plate corresponding end, and the depth of V-shaped groove end is less than the depth in V-shaped groove middle position.
10. the high-performance torsion beam of plate shaping according to claim 1, it is characterised in that: the two sides of plate, which are equipped with, to be used
In the position-limit mechanism that two long sides to plate are limited.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910700155.9A CN110315924A (en) | 2019-07-31 | 2019-07-31 | The high-performance torsion beam of plate shaping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910700155.9A CN110315924A (en) | 2019-07-31 | 2019-07-31 | The high-performance torsion beam of plate shaping |
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| Publication Number | Publication Date |
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| CN110315924A true CN110315924A (en) | 2019-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910700155.9A Pending CN110315924A (en) | 2019-07-31 | 2019-07-31 | The high-performance torsion beam of plate shaping |
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| Country | Link |
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| CN (1) | CN110315924A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB387968A (en) * | 1931-10-06 | 1933-02-16 | Bundy Tubing Co | Improvements in or relating to tubes |
| JP2005014833A (en) * | 2003-06-27 | 2005-01-20 | Toyota Motor Corp | Torsion beam type suspension device |
| CN1938172A (en) * | 2004-03-26 | 2007-03-28 | 三菱制钢株式会社 | Device for preventing lateral displacement for stabilizers |
| WO2013018801A1 (en) * | 2011-08-03 | 2013-02-07 | フタバ産業株式会社 | Torsion beam suspension |
| CN207221351U (en) * | 2017-09-01 | 2018-04-13 | 广东农工商职业技术学院(农业部华南农垦干部培训中心) | A kind of dismountable hurdles rack |
| CN108909398A (en) * | 2018-07-31 | 2018-11-30 | 重庆长安汽车股份有限公司 | A kind of torsion beam crossbeam, torsion beam assembly and automobile |
| CN208947026U (en) * | 2018-10-31 | 2019-06-07 | 安徽万安汽车零部件有限公司 | Torsion beam after a kind of closing of opening direction backwards |
| CN211335497U (en) * | 2019-07-31 | 2020-08-25 | 天人汽车底盘（芜湖）股份有限公司 | Sheet-formed high-performance torsion beam |
-
2019
- 2019-07-31 CN CN201910700155.9A patent/CN110315924A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB387968A (en) * | 1931-10-06 | 1933-02-16 | Bundy Tubing Co | Improvements in or relating to tubes |
| JP2005014833A (en) * | 2003-06-27 | 2005-01-20 | Toyota Motor Corp | Torsion beam type suspension device |
| CN1938172A (en) * | 2004-03-26 | 2007-03-28 | 三菱制钢株式会社 | Device for preventing lateral displacement for stabilizers |
| WO2013018801A1 (en) * | 2011-08-03 | 2013-02-07 | フタバ産業株式会社 | Torsion beam suspension |
| CN207221351U (en) * | 2017-09-01 | 2018-04-13 | 广东农工商职业技术学院(农业部华南农垦干部培训中心) | A kind of dismountable hurdles rack |
| CN108909398A (en) * | 2018-07-31 | 2018-11-30 | 重庆长安汽车股份有限公司 | A kind of torsion beam crossbeam, torsion beam assembly and automobile |
| CN208947026U (en) * | 2018-10-31 | 2019-06-07 | 安徽万安汽车零部件有限公司 | Torsion beam after a kind of closing of opening direction backwards |
| CN211335497U (en) * | 2019-07-31 | 2020-08-25 | 天人汽车底盘（芜湖）股份有限公司 | Sheet-formed high-performance torsion beam |
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