CN108001141A - A kind of manufacture method of piece torsion bar spring structure, vehicle suspension and piece torsion bar spring structure - Google Patents
A kind of manufacture method of piece torsion bar spring structure, vehicle suspension and piece torsion bar spring structure Download PDFInfo
- Publication number
- CN108001141A CN108001141A CN201711354626.2A CN201711354626A CN108001141A CN 108001141 A CN108001141 A CN 108001141A CN 201711354626 A CN201711354626 A CN 201711354626A CN 108001141 A CN108001141 A CN 108001141A
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- CN
- China
- Prior art keywords
- torsion bar
- spring structure
- piece
- spring
- bar spring
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/32—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds
- B60G11/34—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds including leaf springs
- B60G11/44—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds including leaf springs and also torsion-bar springs
-
- 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
Abstract
The invention discloses the manufacture method of a kind of torsion bar spring structure, vehicle suspension and piece torsion bar spring structure, wherein torsion bar spring structure includes two chip leaf springs and a torsion bar, one end of any chip leaf spring and one end of torsion bar are affixed, the other end is connected with a flexural pivot bushing, and two flexural pivot bushings are coaxial and its center line and the torsion bar centerline parallel.The present invention's holds upward-downward translation when being suspended in axle tramp, transmission shaft angle change very little, improves vehicle smooth-going performance；Simultaneously as stabilizer bar and lower trailing link are made of one, piece torsion bar spring air suspension structure is simpler, compact, and suspension weight is light, and production cost is low.
Description
Technical field
The present invention relates to automobile-used suspension field, more particularly to a kind of torsion bar spring structure, using the piece torsion bar spring structure
The manufacture method of vehicle suspension and piece torsion bar spring structure.
Background technology
As shown in Figure 3 and Figure 4, Fig. 3 is oriented to arm assembly 8 and above horizontal stroke to traditional truck air suspension frame structure with following two
Suspension guide mechanism is formed to distance rod 9, around leading arm grasswort central rotation during axle tramp, transmission shaft angle changing is big, special
It is not to have a great influence for 6x4 tandem axles；One with following two trailing links 10 and above V-type distance rod composition of Fig. 4
Suspension guide mechanism, stabilizer bar 11 play anti-inclination, air suspension all there are it is complicated, weight is big, when transmission, passes
Moving axis angle change is very big, and then influences the ride comfort of vehicle, the problems such as causing its ride comfort poor.
The content of the invention
Present invention aims at provide a kind of torsion bar spring structure, vehicle suspension and piece using the piece torsion bar spring structure
The manufacture method of torsion bar spring structure, to solve the above problems.
To achieve the above object, the present invention discloses a kind of piece torsion bar spring structure, including two chip leaf springs and one first
A torsion bar, one end of any chip leaf spring and one end of torsion bar are affixed, and the other end is connected with a flexural pivot bushing, described in two
Flexural pivot bushing is coaxial and its center line and the torsion bar centerline parallel.
Further, the sectional dimension of the chip leaf spring is from the junction with the torsion bar to the flexural pivot bushing direction
Reduce.
Further, the torsion bar is pipe.
Further, the both ends of the chip leaf spring offer through hole, and the flexural pivot bushing runs through the chip leaf spring
The through hole of one end is simultaneously affixed with the chip leaf spring, and the chip leaf spring other end is run through in any one end of the torsion bar
The through hole and affixed with the chip leaf spring.
Further, the chip leaf spring and torsion bar material are spring steel.
Then, the invention discloses a kind of vehicle suspension for including such scheme piece torsion bar spring structure, including vehicle bridge and piece
Torsion bar supports, and two flexural pivot bushings of described torsion bar spring structure are socketed with the mandrel below vehicle axle respectively, are located at
Between two chip leaf springs, the both sides on the torsion bar be socketed with rubber bushing, the rubber bushing and described torsion bar
One end connection of support, the vehicle frame connection of the other end and vehicle of described torsion bar support.
Finally, the invention discloses the manufacture method of such scheme piece torsion bar spring structure, include the following steps：
1）Weld pre-treatment：The chip leaf spring and torsion bar are preheated；
2）Using CO2Gas shielded welding forms piece torsion bar spring structure；
3）Quenching：Described torsion bar spring structure is heated to 890 DEG C ± 10 DEG C, then keeps the temperature oil quenching after 25-35min；
4）Tempering：Described torsion bar spring structure is heated to 340 DEG C ± 10 DEG C, then keeps the temperature 40-50min.
Further, in the step 4）Afterwards, shot peening strengthening is used to described torsion bar spring structure.
Further, in the step 2）Afterwards, forging and stamping jumping-up is carried out to torsion bar both ends.
Further, by forge and press jumping-up after piece torsion bar spring structure kept the temperature in flake asbestos or heating furnace 3.5-4.5 it is small when
Slow cooling afterwards.
Compared with prior art, the advantage of the invention is that：
Pendant Structure Of Vehicle of the present invention is supported with piece torsion bar structure and piece torsion bar（Fig. 1）Instead of traditional（Fig. 3）Truck air hangs
Guiding arm assembly and anti-sway bar in frame, instead of at the same time（Fig. 4）In trailing link and stabilizer bar, the present invention
Hold upward-downward translation when being suspended in axle tramp, transmission shaft angle change very little, improves vehicle smooth-going performance.Simultaneously as
Stabilizer bar and lower trailing link are made of one, and piece torsion bar spring air suspension structure is simpler, compact, and suspension weight is light,
Production is low with replacement cost.
Below with reference to accompanying drawings, the present invention is described in further detail.
Brief description of the drawings
The attached drawing for forming the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its explanation is used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the axonometric schematic diagram of piece torsion bar spring structure disclosed in the preferred embodiment of the present invention；
Fig. 2 is the axonometric schematic diagram for the vehicle suspension that piece torsion bar spring structure is provided with disclosed in the preferred embodiment of the present invention；
Fig. 3 is the first suspension axonometric schematic diagram of traditional lorry；
Fig. 4 is the second suspension axonometric schematic diagram of traditional lorry.
Marginal data：
1st, chip leaf spring；2nd, torsion bar；3rd, flexural pivot bushing；4th, through hole；5th, vehicle bridge；6th, piece torsion bar supports；7th, mandrel；8th, leading arm is total
Into；9th, anti-sway bar；10th, trailing link；11st, stabilizer bar；12nd, rubber bushing.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
As Figure 1-Figure 2, the embodiment of the present invention discloses a kind of piece torsion bar spring structure, including two chip leaf springs first
1 and a torsion bar 2, one end and one end of torsion bar 2 of any chip leaf spring 1 are welded, and the other end is connected with a flexural pivot bushing
3, two flexural pivot bushings 3 are coaxial and its center line with 2 centerline parallel of torsion bar so as to form similar parallelogram sturcutre.
In the present embodiment, in order to which further loss of weight realizes light-weight design, during by FEM Simulation, chip plate
The stress of spring 1 reduces from the junction with torsion bar 2 to 3 direction of flexural pivot bushing, therefore chip leaf spring 1 can use variable cross-section to design,
So as to mitigate weight, wherein, the sectional dimension of chip leaf spring 1 reduces from the junction with torsion bar 2 to 3 direction of flexural pivot bushing.
In the present embodiment, torsion bar 2 uses pipe, under conditions of the mechanical properties such as identical torsional strength are ensured, energy
Enough realize that gross weight is most light.
In the present embodiment, the both ends of chip leaf spring 1 offer through hole 4, and flexural pivot bushing 3 is through chip leaf spring one end
Through hole 4 is simultaneously affixed with chip leaf spring 1, any one end end of torsion bar 2 through the chip leaf spring other end through hole 4 and with chip plate
Spring 1 is affixed, wherein, flexural pivot bushing 3 is continuously welded in the root of 1 both sides of chip leaf spring to ensure the intensity of junction.
In order to ensure the excellent elastic strength of piece torsion bar spring structure, meet performance requirement during work, chip leaf spring 1 and torsion
The material of 2 material selection of bar is spring steel, and the design parameter of wherein spring steel is as follows：
The spring steel（3# spring steel）Material mechanical performance be better than 42CrMo, 35SiMnB steel, its main feature is that material phosphorus content
It is low, it is only 0.8% ~ 1.4% or so, common spring carbon content of steel is about 0.5% ~ 0.65%, since the low material of phosphorus content has well
Welding performance.Contain Mn, V, B alloying element in this kind of material, it is to improve the fatigability of piece pole spring to improve material quenching degree
Can, since phosphorus content is few in material, decarburization is not easy in heat treatment, and contain suitable V, make its material that there is high intensity, height
Fracture toughness.
Then, the invention discloses a kind of vehicle suspension for including such scheme piece torsion bar spring structure, including vehicle bridge 5 and piece
Torsion bar support 6, two flexural pivot bushings 3 of piece torsion bar spring structure are socketed with the mandrel 7 below vehicle bridge 5 respectively, positioned at two chips
Both sides between leaf spring 1, on torsion bar 2 are socketed with rubber bushing 12, and rubber bushing 12 is connected with one end of piece torsion bar support 6, piece
The other end of torsion bar support 6 and the vehicle frame of vehicle connect.
Pendant Structure Of Vehicle of the present invention piece torsion bar structure and piece torsion bar support 6（Fig. 1）Instead of traditional（Fig. 3）Lorry is empty
9 He of guiding arm assembly 8 and anti-sway bar in gas suspension（Fig. 4）In trailing link 10 and stabilizer bar 11, this hair
Bright holds upward-downward translation when being suspended in axle tramp, transmission shaft angle change very little, improves vehicle smooth-going performance.
Simultaneously as stabilizer bar 11 and lower trailing link 10 are made of one, the air with piece torsion bar spring structure
Suspension frame structure is simpler, compact, and suspension weight is lighter, and production cost is lower.
Finally, the invention discloses the manufacture method of such scheme piece torsion bar spring structure, include the following steps：
1）Weld pre-treatment：Chip leaf spring 1 and torsion bar 2 are preheated；
2）Using CO2Gas shielded welding forms piece torsion bar spring structure, then keeps the temperature 3.5-4.5 in flake asbestos or heating furnace again
Slow cooling after hour, to reduce crackle tendency, postwelding weld grain degree is 8 grades, and seam organization is tempering Qu Huati, and seam organization is
Ferrite+Wei Huati tissues+pearlite.
3）Quenching：Piece torsion bar spring structure is heated to 890 DEG C ± 10 DEG C, then keeps the temperature oil quenching after 25-35min；
4）Tempering：Piece torsion bar spring structure is heated to 340 DEG C ± 10 DEG C, then keeps the temperature 40-50min, from obtaining with lath geneva
Mixed type martensitic structure based on body, improves the mechanical property of material, and the hardness after heat treatment is HRC48-52.
In the present embodiment, in step 4）Afterwards, shot peening strengthening is used to piece torsion bar spring structure, considers that piece torsion bar spring structure is held
It is little to improving piece torsion bar spring assembly fatigue life effect using torsion strengthening by bidirectional torsion load, therefore enhancements are only
Employ shot peening strengthening.
In the present embodiment, in step 2）Afterwards, forging and stamping jumping-up is carried out to 2 both ends of torsion bar, diameter becomes larger, and then adds
Fusion length, strengthens weld strength.
It these are only the preferred embodiment of the present invention, be not intended to limit the invention, for those skilled in the art
For member, the invention may be variously modified and varied.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of piece torsion bar spring structure, it is characterised in that including two chip leaf springs（1）With a torsion bar（2）, any described
Formula leaf spring（1）One end and torsion bar（2）One end it is affixed, the other end is connected with a flexural pivot bushing（3）, two flexural pivot bushings
（3）Coaxial and its center line and the torsion bar（2）Centerline parallel.
2. according to claim 1 torsion bar spring structure, it is characterised in that the chip leaf spring（1）Sectional dimension from
With the torsion bar（2）Junction to the flexural pivot bushing（3）Direction reduces.
3. according to claim 1 torsion bar spring structure, it is characterised in that the torsion bar（2）For pipe.
4. according to claim 1 torsion bar spring structure, it is characterised in that the chip leaf spring（1）Both ends open up
There is through hole（4）, the flexural pivot bushing（3）Through the chip leaf spring（1）The through hole of one end（4）And with the chip leaf spring
（1）It is affixed, the torsion bar（2）Any one end run through the chip leaf spring（1）The through hole of the other end（4）And with it is described
Chip leaf spring（1）It is affixed.
5. according to any piece torsion bar spring structures of claim 1-4, it is characterised in that the chip leaf spring（1）And torsion bar
（2）Material be spring steel.
6. a kind of vehicle suspension, including any piece torsion bar spring structures of claim 1-5, including vehicle bridge（5）, its feature exists
In, further include piece torsion bar support（6）, two flexural pivot bushings of described torsion bar spring structure（3）Respectively with vehicle bridge（5）Lower section
Mandrel（7）Socket, positioned at two chip leaf springs（1）Between, the torsion bar（2）On both sides be socketed with rubber bushing
（12）, the rubber bushing（12）Supported with described torsion bar（6）One end connection, the support of described torsion bar（6）The other end
It is connected with the vehicle frame of vehicle.
7. the manufacture method of a kind of piece torsion bar spring structure as described in claim 1-5 is any, it is characterised in that including following step
Suddenly：
1）Weld pre-treatment：To the chip leaf spring（1）And torsion bar（2）Preheated；
2）Using CO2Gas shielded welding forms described torsion bar spring structure；
3）Quenching：Described torsion bar spring structure is heated to 890 DEG C ± 10 DEG C, then keeps the temperature oil quenching after 25-35min；
4）Tempering：Described torsion bar spring structure is heated to 340 DEG C ± 10 DEG C, then keeps the temperature 40-50min.
8. manufacture method according to claim 7, it is characterised in that in the step 4）Afterwards, to described torsion bar spring knot
Structure uses shot peening strengthening.
9. manufacture method according to claim 7, it is characterised in that in the step 2）Afterwards, to torsion bar（2）Both ends into
Row forging and stamping jumping-up.
10. manufacture method according to claim 9, it is characterised in that by the piece torsion bar spring structure after forging and stamping jumping-up in stone
Slow cooling after when insulation 3.5-4.5 is small in cotton powder or heating furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711354626.2A CN108001141A (en) | 2017-12-15 | 2017-12-15 | A kind of manufacture method of piece torsion bar spring structure, vehicle suspension and piece torsion bar spring structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711354626.2A CN108001141A (en) | 2017-12-15 | 2017-12-15 | A kind of manufacture method of piece torsion bar spring structure, vehicle suspension and piece torsion bar spring structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108001141A true CN108001141A (en) | 2018-05-08 |
Family
ID=62059512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711354626.2A Pending CN108001141A (en) | 2017-12-15 | 2017-12-15 | A kind of manufacture method of piece torsion bar spring structure, vehicle suspension and piece torsion bar spring structure |
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| Country | Link |
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| CN (1) | CN108001141A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109435619A (en) * | 2018-11-29 | 2019-03-08 | 扬州东升汽车零部件股份有限公司 | A kind of driver's cabin stabiliser bar and its packaging technology |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202685836U (en) * | 2012-05-28 | 2013-01-23 | 浙江吉利汽车研究院有限公司杭州分公司 | Improved rear axle structure of torsion beam |
| CN202847368U (en) * | 2012-07-17 | 2013-04-03 | 江西远成汽车技术股份有限公司 | Novel four-air-spring air suspension frame |
| CN104625625A (en) * | 2014-12-19 | 2015-05-20 | 扬州东升汽车零部件制造有限公司 | Composite anti-roll bar and machining process thereof |
| CN205395682U (en) * | 2016-02-17 | 2016-07-27 | 广州汽车集团股份有限公司 | Rear overhang frame control arm and rear overhang frame |
| WO2016152671A1 (en) * | 2015-03-24 | 2016-09-29 | 日本発條株式会社 | Method for producing hollow stabilizer |
-
2017
- 2017-12-15 CN CN201711354626.2A patent/CN108001141A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202685836U (en) * | 2012-05-28 | 2013-01-23 | 浙江吉利汽车研究院有限公司杭州分公司 | Improved rear axle structure of torsion beam |
| CN202847368U (en) * | 2012-07-17 | 2013-04-03 | 江西远成汽车技术股份有限公司 | Novel four-air-spring air suspension frame |
| CN104625625A (en) * | 2014-12-19 | 2015-05-20 | 扬州东升汽车零部件制造有限公司 | Composite anti-roll bar and machining process thereof |
| WO2016152671A1 (en) * | 2015-03-24 | 2016-09-29 | 日本発條株式会社 | Method for producing hollow stabilizer |
| CN205395682U (en) * | 2016-02-17 | 2016-07-27 | 广州汽车集团股份有限公司 | Rear overhang frame control arm and rear overhang frame |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109435619A (en) * | 2018-11-29 | 2019-03-08 | 扬州东升汽车零部件股份有限公司 | A kind of driver's cabin stabiliser bar and its packaging technology |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180508 |
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| RJ01 | Rejection of invention patent application after publication |