CN110385956A - The stamping forming high-performance torsion beam of control - Google Patents
The stamping forming high-performance torsion beam of control Download PDFInfo
- Publication number
- CN110385956A CN110385956A CN201910700678.3A CN201910700678A CN110385956A CN 110385956 A CN110385956 A CN 110385956A CN 201910700678 A CN201910700678 A CN 201910700678A CN 110385956 A CN110385956 A CN 110385956A
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- torsion beam
- crossbeam
- stamping forming
- strut
- forming high
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- 238000001816 cooling Methods 0.000 claims description 30
- 230000001413 cellular effect Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 230000007704 transition Effects 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 2
- 239000001993 wax Substances 0.000 description 18
- 230000006872 improvement Effects 0.000 description 10
- 239000012188 paraffin wax Substances 0.000 description 8
- 238000000465 moulding Methods 0.000 description 6
- 208000010392 Bone Fractures Diseases 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- 238000004080 punching Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000002929 anti-fatigue Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- 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
- 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
-
- 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
- B60G2206/80—Manufacturing procedures
- B60G2206/81—Shaping
- B60G2206/8102—Shaping by stamping
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The present invention relates to the technical fields of torsion beam, more particularly to a kind of stamping forming high-performance torsion beam of control, including crossbeam, the crossbeam is divided into interlude, changeover portion and external section to both ends from intermediate, interlude, changeover portion and external section of cross section are closed cross-section, and interlude, changeover portion and external section of cross-sectional area are sequentially increased；Lightening hole is provided on the crossbeam.The larger technical problem of the stamping forming torsion beam overall quality of control 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 stamping forming high-performance torsion beam of control.
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.
Existing torsion beam uses the stamping forming tubing of control, has preferable anti-fatigue ability, but uses former material
Material is more, and the weight of crossbeam is bigger；Crossbeam is made using one chip V shaped slab material, is reduced in weight, more meets lightweight
Design requirement, but the crossbeam anti-torsion performance of one chip and the ability of fatigue crack-resistant are lower, are easy torsional fracture, lead
It causes the service life of torsion beam to reduce, also increases the danger coefficient of vehicle driving.
Summary of the invention
It is total to solve the stamping forming torsion beam of control the invention is intended to provide control stamping forming high-performance torsion beam
The larger technical problem of weight.
In order to achieve the above objectives, the present invention adopts the following technical scheme: the stamping forming high-performance torsion beam of control, including
Crossbeam, the crossbeam are divided into interlude, changeover portion and external section, interlude, changeover portion and external section to both ends from intermediate
Cross section be closed cross-section, and interlude, changeover portion and external section of cross-sectional area are sequentially increased；It is provided with and subtracts on crossbeam
Repeated hole.
The principle and advantage of this programme are: 1) crossbeam of this programme is equipped with lightening hole, reduces the weight of crossbeam, thus
Reduce the weight of torsion beam entirety, torsion beam is made more to meet light-weighted design；
2) when wheel is beated, crossbeam constantly reverses and is easy to cause phase mutual friction between the internal layer of crossbeam and outer layer,
And then cause measure serious wear, and the lightening hole of this programme convenient for spraying lubricating oil so that the outer layer and internal layer of crossbeam it
Between frictional force reduce, thus abrasion caused by reducing internal layer and the mutual friction of outer layer phase.
Preferably, as an improvement, the U-shaped profile or V-arrangement of interlude.
The cross section of interlude is designed to U-shaped or V-arrangement by this programme, so that the interlude of crossbeam has good distortion
Can, so that torsion beam has the ability for adjusting car body balance according to the bounce of wheel, keep the traveling of car more stable.
Preferably, as an improvement, crossbeam includes outer layer and internal layer, is equipped with gap between outer layer and internal layer, outer layer with
The position of internal layer connection uses transition arc rounding off.
The case where being equipped with gap between outer layer and internal layer, reducing outer layer and internal layer phase mutual friction in twist process, thus
Reduce the abrasion of outer layer and internal layer；The position that outer layer is connect with internal layer uses transition arc rounding off, is because of this programme
Crossbeam be using tube stamping it is molding, if the complete punching press in position that outer layer is connect with internal layer is flat, be easy to cause tubing break
It splits and scraps, crossbeam can not be made.
Preferably, as an improvement, the radius of transition arc is 1-4 times of the wall thickness of interlude.
The position that this programme connect outer layer with internal layer has good twisting property, reverses so as to avoid crossbeam
Cheng Zhong, the position that the position of transition arc is broken.
Preferably, as an improvement, lightening hole is located on external section.
Because distorting stress is concentrated mainly on changeover portion and interlude on crossbeam, set on changeover portion and interlude
Lightening hole is set to be easy to impact the anti-torsion fracture property of crossbeam；Lightening hole is arranged on external section this programme, can
It realizes the purpose for reducing crossbeam weight, and can be reduced the influence to the anti-torsion fracture property of crossbeam.
Preferably, as an improvement, lightening hole is the circular hole that diameter is 3cm, and the distance of center circle between adjacent lightening hole
Greater than 3cm.
This programme not only can be reduced the weight of crossbeam, but also the part connected between lightening hole is made to have corresponding intensity, make cross
Beam is balanced in lightweight and anti-torsion fracture property.
Preferably, as an improvement, trailing arm is also fixed on crossbeam, trailing arm includes left trailing arm and right trailing arm, Zuo Zong
Arm and right trailing arm are located at the both ends of crossbeam.
The design of trailing arm enables the both ends of crossbeam to extend, and increases the area of beam-end, make crossbeam be easier and more
Steadily it is connected with car body.
Preferably, as an improvement, support spring is fixed in crossbeam.
The support spring of this programme can provide a supporting role for it when deformation occurs in torsion beam, while can also lead to
The direct contact of spring is crossed, the stress transfer between outer layer and internal layer is accelerated, to improve the service life of torsion beam, is prevented straight
Connect the instantaneous stress acted on crossbeam excessive the problem of causing crossbeam to be easily damaged.
Preferably, as an improvement, cellular rod wax is inserted in the tubing for producing torsion beam.
When interior V molding die carries out punching press to tubing, this programme honeycomb rod wax can play the internal perisporium of tubing
The effect of support, avoiding the stress condition of tubing, there is a situation where great changes, and tubing to be caused to rupture suddenly, to ensure that
The molding yield rate of tube stamping and final product quality.
Preferably, as an improvement, the cellular rod wax is directly molded in tubing by cooling body, cooler
Structure includes fixed disk, cooling tube and drive shaft, and cooling tube is fixed at the end face of fixed disk, and cooling tube includes skeleton, sealing film
And interior bar, skeleton are made of several connection rod sets, for connection rod set using interior bar as center circumference array, connection rod set includes to be hinged
One strut and the second strut, one end of the first strut and fixed disk are hinged, and the free end end of the second strut is hinged on same
On stop collar；First strut, the second strut and stop collar are fixed in sealing film, seal one end far from stop collar of film with
Fixed disk is fixed；The hinge joint of first strut and the second strut is also hinged with hinge bar, and the free end of hinge bar is hinged on interior
On bar；The free end of interior bar is fixed with piston, and piston slides in the fixed disk being set to, and one end on piston far from interior bar is fixed
Equipped with drive shaft, drive shaft passes through through-hole and stretches out outside fixed disk.
The cooling body of this programme make paraffin close to cooling tube part cooling be hardened so that rod wax is directly molded on
In tubing, it is bonded the periphery wall of rod wax completely with the internal perisporium of tubing, so that rod wax is the supporting role that tubing provides
Comprehensively；Meanwhile the rod wax of this programme be it is cellular, when tubing carries out punching press, rod wax, that is, avalanche flowing, so as to avoid reality
Heart rod wax influences the case where punch forming；Hole among the rod wax of this programme is that intermediate position aperture is larger, and both ends aperture compared with
Small shape is conducive to tubing and forms intermediate position be the deeper V-shaped groove of depth and the big shape in the cross section of two-end part.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of stamping forming one middle cross beam of high-performance torsion beam embodiment of control of the present invention.
Fig. 2 is cross-sectional view of the Fig. 1 along the direction B-B.
Fig. 3 is for Fig. 1 along C-C along the cross-sectional view in direction.
Fig. 4 is cross-sectional view of the Fig. 1 along the direction D-D.
Fig. 5 is a kind of main view of torsion beam of the embodiment of the present invention.
Fig. 6 is the partial sectional view of cooling body in the embodiment of the present invention two.
Fig. 7 is the cross-sectional view of cooling tube in the embodiment of the present invention two, and cutting plane is Fig. 6 along the direction E-E.
Fig. 8 is the main view of cooling body in the embodiment of the present invention two, the shape after basically illustrating cooling tube distending.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes: interlude 1, changeover portion 2, external section 3, internal layer 4, outer layer 5, transition circle
Arc 6, support spring 7, lightening hole 8, left trailing arm 9, right trailing arm 10, fixed disk 11, cooling tube 12, the first strut 13, the second strut
14, hinge bar 15, interior bar 16, sealing film 17, drive shaft 18, piston 19.
Embodiment one
Substantially as shown in Fig. 1: the stamping forming high-performance torsion beam of control, including crossbeam, crossbeam is from intermediate to both ends
It is divided into interlude 1, changeover portion 2 and external section 3, interlude 1, changeover portion 2 and external section 3 of cross section are that closing is cut
Face, and interlude 1, changeover portion 2 and external section 3 of cross-sectional shape are all different, as shown in Figure 2, Figure 3, Figure 4, interlude 1
Cross section is V-shaped (or U-shaped), and external section 3 of cross section is square (or round), and changeover portion 2 is for connecting interlude 1 and external
Section 3, and make interlude 1 and external section of 3 rounding ofves.As shown in Fig. 2, crossbeam includes outer layer 5 and internal layer 4, outer layer 5 and internal layer 4
Between there are gap, the position that outer layer 5 is connect with internal layer 4 uses 6 rounding off of transition arc, during the radius of transition arc 6 is
Between 1-4 times of wall thickness of section 1, this is illustrated for sentencing 2.2 times.Lightening hole 8 is provided on crossbeam, lightening hole 8 is located at external
In section 3；Lightening hole 8 is the circular hole that diameter is 3cm, and the distance of center circle between adjacent lightening hole 8 is greater than 3cm.As shown in figure 3, horizontal
Support spring 7 is welded in beam, support spring 7 is located at changeover portion 2, and support spring 7 supports between internal layer 4 and outer layer 5
The upper end of spring 7 and outer layer 5 weld, and the lower end of support spring 7 and internal layer 4 weld.
As shown in figure 5, be also fixedly welded with trailing arm on crossbeam, trailing arm includes left trailing arm 9 and right trailing arm 10, left trailing arm 9 with
The left end of crossbeam is welded, and the right end of right trailing arm 10 and crossbeam welds, and left trailing arm 9 and right 10 mirror surface of trailing arm are symmetrical.Below with a left side
For trailing arm 9, its structure is illustrated, the cross section of left trailing arm 9 is v-shaped structure, the v-shaped opening of left trailing arm 9 towards crossbeam,
The upper/lower terminal of left trailing arm 9 is bent to the direction away from crossbeam.
The above-mentioned stamping forming high-performance torsion beam of control is made of following technique:
Step A: the circular tube shaped blank of length needed for intercepting；
Step B: internal layer 4 forms, and cellular rod wax is put into tubing, is then inserted into the first core at the both ends of tubing
Stick, and tubing is put into interior V molding die and is fixed, then by being stamped and formed out the V-shaped groove being recessed inwardly, to obtain primary
Processed goods；
Step C: outer layer 5 forms, and the second plug is inserted on time processing product, tubing is then put into outer V molding die
In, and time processing product are positioned on the basis of upper mold, then by being stamped and formed out outer V-shaped groove, the opening of outer V-shaped groove
Direction is identical as the opening direction of interior V-shaped groove, and the open end of outer V-shaped groove is connect with the open end rounding off of interior V-shaped groove, from
And obtain secondary operation product；
Step D: the secondary swollen type in port is inserted into third plug at the both ends of secondary operation product, then puts secondary operation product
In inbound port is swollen pattern tool, the section that middle part is formed after the secondary swollen type in port be the inside and outside V-arrangement being overlapped, and the section at both ends
For round or rectangular shape, processed goods three times is obtained；
Step E: the both ends of processed goods three times are cut in cutting, are allowed to be consistent with the position connected is needed, thus shape
At crossbeam；
Step F: punching, the perforating by punching on crossbeam form lightening hole 8.
This programme has the effect that the crossbeam of 1) this programme is equipped with lightening hole 8, reduces the weight of crossbeam, thus
Reduce the weight of torsion beam entirety, torsion beam is made more to meet light-weighted design；
2) lightening hole 8 of this programme is convenient for spraying lubricating oil, so that the frictional force between the outer layer 5 and internal layer 4 of crossbeam subtracts
It is small, to reduce abrasion caused by internal layer 4 and 5 phase mutual friction of outer layer；
3) support spring 7 of this programme can provide a supporting role when deformation occurs in torsion beam for it, simultaneously also
The direct contact that spring can be passed through, accelerates the stress transfer between outer layer 5 and internal layer 4, so that the service life of torsion beam is improved,
Prevent from acting directly on instantaneous stress excessive the problem of causing crossbeam to be easily damaged on crossbeam；
4) when internal layer 4 forms, cellular rod wax is in contact this programme with the internal perisporium of tubing, can be in tubing by punching press
When effect, stress suffered by tubing is enable quickly to transmit dispersion, is easy to lead so as to avoid tubing local pressure suddenly change
Causing tubing, there is a situation where be broken；Meanwhile this programme uses cellular rod wax, when so that tubing is by punching press, rod wax collapses rapidly
It collapses deformation, the case where so as to avoid tube forming is influenced；Occur moreover, when tubing carries out being stamped and formed out interior V, in the middle part of tubing compared with
Large deformation, and both ends do not need to deform, the rod wax stress in the middle part of tubing can also be flowed to the both ends of tubing, so that leaning on
The paraffin filling of nearly tubing end positions is more compact closely knit, so that the paraffin close to tubing end positions can provide for tubing
Supporting role avoids the case where 2 position unbalance stress of changeover portion is easy to happen fracture.
Embodiment two
The difference between this embodiment and the first embodiment lies in cellular rod wax is directly molded in tubing.In punch process pipe
When material, using cooling body as shown in FIG. 6, cooling body includes fixed disk 11, cooling tube 12 and drive shaft 18, cooling tube 12
It is uniformly distributed in the right side of fixed disk 11, cooling tube 12 includes skeleton, sealing film 17 and interior bar 16, and skeleton is by several connection rod sets
Composition, connection rod set circumferentially array distribution centered on interior bar 16, as shown in figure 8, connection rod set includes first to be hinged
Bar 13 and the second strut 14, the left end of the first strut 13 and the right side of fixed disk 11 are hinged, and the right end of the second strut 14 is cut with scissors
It connects on the same stop collar；As shown in fig. 7, the first strut 13,14 gluing of the second strut are fixedly connected on the interior of sealing film 17
Side, and also gluing is fixed on the inside for sealing film 17 to stop collar, the right side gluing of the left end and fixed disk 11 that seal film 17 is solid
It is fixed；The hinge joint position of first strut 13 and the second strut 14 is also hingedly connected with hinge bar 15, and the free end of hinge bar 15 is equal
It is hinged on the peripheral wall of interior bar 16；As shown in fig. 6, the left end of interior bar 16 is fixedly connected with piston 19, in fixed disk 11 in use
Sky design, 19 level of piston are slidably connected in fixed disk 11, and the left end of piston 19 is fixedly connected with drive shaft 18, fixed disk 11
Left end be provided with through-hole, the left end of drive shaft 18 passes through through-hole and stretches out outside fixed disk 11.Far from drive shaft 18 in fixed disk 11
One end be provided with inlet opening.
In actual use, when carrying out the step that internal layer 4 forms to tubing, first one end of tubing is sealed, it then will be upper
State cooling body cooling tube 12 be inserted into tubing in, then by drive shaft 18 to the right (direction shown in Fig. 6) press, make drive rod to
It moves right and hinge bar 15 is driven to deflect, and then make the articulated position of the first strut 13 and the second strut 14 to far from drive rod
Direction move to form shape shown in Fig. 8, to make the shape that the longitudinal section of cooling tube 12 is small in ends, broad in the middle.Then exist
The paraffin of injection flow-like in tubing, and injected cooling water in cooling tube 12 by inlet opening, make close to 12 peripheral wall of cooling tube
The paraffin of the flow-like of position is quickly cooled down hardening and forms one layer of thin-walled.Then drive shaft 18 is drawn to the left (direction shown in Fig. 6)
It is dynamic, so that hinge bar 15 is set back, so that the hinge joint of the first strut 13 and the second strut 14 be made to collapse to the direction of interior bar 16
Shape shown in Fig. 6 is formed, the taking-up of cooling body is facilitated.
After cooling body is taken out, it is inserted into the first plug at the both ends of tubing, and tubing is put into interior V molding die admittedly
It is fixed, then by being stamped and formed out the V-shaped groove being recessed inwardly, to obtain time processing product.
The cooling body of this programme makes the hole in rod wax be that intermediate position aperture is larger, and the lesser shape in both ends aperture
Shape.So that the paraffin distribution situation in tubing be tubing middle position paraffin content it is few, and the stone of tubing end positions
Wax content is more, so the paraffin stress of tubing medium position can burst apart more quickly simultaneously when carrying out being stamped and formed out interior V-arrangement to tubing
It is flowed to both ends, and then the end positions for tubing provide a supporting role and buffer function.
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 stamping forming high-performance torsion beam of control, including crossbeam, the crossbeam from it is intermediate to both ends be divided into interlude,
Changeover portion and external section, it is characterised in that: the interlude, changeover portion and external section of cross section are closed cross-section, and in
Between section, changeover portion and external section of cross-sectional area be sequentially increased；Lightening hole is provided on the crossbeam.
2. the stamping forming high-performance torsion beam of control according to claim 1, it is characterised in that: the cross of the interlude
Section is in U-shape or V-arrangement.
3. the stamping forming high-performance torsion beam of control according to claim 1, it is characterised in that: the crossbeam includes outer
Layer and internal layer, are equipped with gap between outer layer and internal layer, the position that outer layer is connect with internal layer uses transition arc rounding off.
4. the stamping forming high-performance torsion beam of control according to claim 3, it is characterised in that: the transition arc
Radius is 1-4 times of the wall thickness of interlude.
5. the stamping forming high-performance torsion beam of control according to claim 1, it is characterised in that: the lightening hole is located at
On external section.
6. the stamping forming high-performance torsion beam of control according to claim 1, it is characterised in that: the lightening hole is straight
Diameter is the circular hole of 3cm, and the distance of center circle between adjacent lightening hole is greater than 3cm.
7. the stamping forming high-performance torsion beam of control according to claim 1, it is characterised in that: also solid on the crossbeam
Surely it is equipped with trailing arm, trailing arm includes left trailing arm and right trailing arm, and left trailing arm and right trailing arm are located at the both ends of crossbeam.
8. the stamping forming high-performance torsion beam of control according to claim 1, it is characterised in that: fixed in the crossbeam
Equipped with support spring.
9. the stamping forming high-performance torsion beam of control according to claim 1, it is characterised in that: for producing torsion beam
Tubing in be inserted with cellular rod wax.
10. the stamping forming high-performance torsion beam of control according to claim 9, it is characterised in that: described cellular
Rod wax is directly molded in tubing by cooling body, and cooling body includes fixed disk, cooling tube and drive shaft, and cooling tube fixation is set
In the end face of fixed disk, cooling tube includes that skeleton, sealing film and interior bar, skeleton are made of several connection rod sets, and connection rod set is with interior bar
For center circumference array, connection rod set includes the first strut and the second strut being hinged, one end of the first strut and fixed disk
Hingedly, the free end end of the second strut is hinged on the same stop collar；First strut, the second strut and stop collar are fixed
In sealing film, the sealing one end of film far from stop collar is fixed with fixed disk；The hinge joint of first strut and the second strut is also
It is hinged with hinge bar, the free end of hinge bar is hinged in interior bar；The free end of interior bar is fixed with piston, and piston sliding is set
In fixed disk in, one end on piston far from interior bar is fixed with drive shaft, and drive shaft passes through through-hole and stretches out outside fixed disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910700678.3A CN110385956B (en) | 2019-07-31 | 2019-07-31 | High-performance torsion beam formed by tube stamping |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910700678.3A CN110385956B (en) | 2019-07-31 | 2019-07-31 | High-performance torsion beam formed by tube stamping |
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| CN110385956A true CN110385956A (en) | 2019-10-29 |
| CN110385956B CN110385956B (en) | 2024-05-14 |
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| CN101045246A (en) * | 2006-03-31 | 2007-10-03 | 坤威实业有限公司 | Method for forming pipe fitting |
| CN102177036A (en) * | 2008-10-17 | 2011-09-07 | 阿瑟奥米特尔·特布拉产品加拿大公司 | Twist-axle with longitudinally-varying wall thickness |
| CN203793068U (en) * | 2014-03-13 | 2014-08-27 | 重庆天人汽车车身制造有限公司 | Section asymmetrical type cross beam of automobile torsion beam |
| CN103894514A (en) * | 2014-03-27 | 2014-07-02 | 宝山钢铁股份有限公司 | Method for stamping and forming torsion beams of pipe fittings |
| CN105216573A (en) * | 2014-06-06 | 2016-01-06 | 上海宝钢高新技术零部件有限公司 | Tubulose torsion beam and manufacturing process |
| CN205255933U (en) * | 2015-12-03 | 2016-05-25 | 浙江吉利汽车研究院有限公司 | Crossbeam and torsion beam assembly |
| CN107310342A (en) * | 2016-04-26 | 2017-11-03 | 宝山钢铁股份有限公司 | Variable cross-section line hydraulic expanding tube torsion beam |
| CN206171093U (en) * | 2016-10-28 | 2017-05-17 | 天人汽车底盘（芜湖）股份有限公司 | Automobile torsion beam |
| 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 |
| CN211335499U (en) * | 2019-07-31 | 2020-08-25 | 天人汽车底盘（芜湖）股份有限公司 | High-performance torsion beam formed by pipe punching |
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