CN103522864A - Torsion beam rear axle crossbeam - Google Patents
Torsion beam rear axle crossbeam Download PDFInfo
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- CN103522864A CN103522864A CN201310207682.9A CN201310207682A CN103522864A CN 103522864 A CN103522864 A CN 103522864A CN 201310207682 A CN201310207682 A CN 201310207682A CN 103522864 A CN103522864 A CN 103522864A
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- cross
- beam body
- back axle
- crossbeam
- torsion beam
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Abstract
The invention aims to provide a torsion beam rear axle crossbeam. The torsion beam rear axle crossbeam is characterized by comprising a crossbeam body, and the cross section of the crossbeam body is in a U shape; two longitudinal edges of the crossbeam body are provided with longitudinal upsiding down edges, and the belly portions of the two ends of the crossbeam body are higher than the belly portion of the middle section of the crossbeam body; transition sections are arranged from the end portions of the crossbeam body to the middle section of the crossbeam body, two reinforced plates are arranged on the inner side of the crossbeam body and extend towards the middle of the crossbeam body respectively from the different end portions of the crossbeam body, and the two sides of each reinforced plate are connected with the sidewall of the crossbeam body.
Description
Technical field
The present invention relates to automobile torsion beam back axle crossbeam.
Background technology
It is more and more that passenger-car chassis rear suspension adopts the structural shape of torsion beam back axle at present, is mainly because it is simple in structure, it is little to take up room.But this does not represent its simplicity of design, on the contrary, generally, torsion beam back axle has a lot of performance needs to manage to meet the demand of vehicle performance.Wherein the torsional stiffness of torsion beam back axle is exactly one of its important performance perameter.The control of the torsional stiffness of this series products in the past adopts the banded steel plate of nature round edge or closed section crossbeam conventionally, and complex process, developing material cost remain high.
Summary of the invention
The object of the present invention is to provide a kind of torsion beam back axle crossbeam.
For realizing the torsion beam back axle crossbeam of described object, be characterized in, comprise that cross-sectional plane becomes the cross-beam body of U-shaped, two longitudinal edges of cross-beam body are with longitudinal flange, the two ends belly of described cross-beam body will exceed interlude belly, and the end of described cross-beam body to interlude has transition phase, and described cross-beam body inner side is provided with two brace panels, two brace panels extend respectively from the different ends of cross-beam body in the middle of cross-beam body, and the both sides of each brace panel are connected with the sidewall of cross-beam body.
Described torsion beam back axle crossbeam, its further feature is that the width of described longitudinal flange is greater than crossbeam thickness of slab more than 2 times.
Described torsion beam back axle crossbeam, its further feature is that the two ends belly of described cross-beam body will exceed 20% of interlude height than interlude belly.
Described torsion beam back axle crossbeam, its further feature is that the leap width of described transition phase is not less than cross-beam body cross-sectional width.
Described torsion beam back axle crossbeam, its further feature is, the end of described cross-beam body more relies on than the spring holder integral body of torsion beam back axle in the middle of described cross-beam body to the reference position of the transition phase of interlude.
Described torsion beam back axle crossbeam, its further feature is, two of brace panel longitudinal edges and be formed with flange near the inner limit in the middle of described cross-beam body described in each, the centre of described brace panel is formed with the concave bar taking the shape of the letter U on brace panel.
Described torsion beam back axle crossbeam, its further feature is that the outer end of described brace panel is formed with weakening strength structure, to allow the torsional displacement in the flexible scope of brace panel.
Described torsion beam back axle crossbeam, its further feature is, and described in each, the length of brace panel is described cross-beam body 1/4, and the starting point of described concave bar is positioned at the centre of the length of described transition phase.
Described torsion beam back axle crossbeam, its further feature is, described brace panel is the belly towards the part in the middle of cross-beam body the closer to cross-beam body more.
Aforementioned features of the present invention can be eliminated and produce tired series of factors with respect to existing torsion beam back axle crossbeam.
Aforementioned objects, features and advantages of the present invention are carried out more detailed casehistory by engaging the explanation of aftermentioned accompanying drawing and the specific embodiment.
Accompanying drawing explanation
Fig. 1 is the upward view of torsion beam back axle in the embodiment of the present invention.
Fig. 2 is the back view of torsion beam back axle in the embodiment of the present invention.
Fig. 3 is the section-drawing along A-A line in Fig. 2.
Fig. 4 is the section-drawing along B-B line in Fig. 2.
Fig. 5 is the section-drawing along C-C line in Fig. 2.
Fig. 6 is the back view of embodiment of the present invention middle-end brace panel.
Fig. 7 is the upward view of embodiment of the present invention middle-end brace panel.
Fig. 8 is the half-sectional view along its length of embodiment of the present invention middle-end brace panel.
The specific embodiment
In aftermentioned embodiment, the orientation term such as forward and backward, upper and lower is generally to take torsion beam back axle to be installed on state on vehicle body be reference.
As shown in Figure 1, Figure 2, Figure 3 shows, torsion beam back axle comprises crossbeam 1, two longeron 2, spring holder 4, damper bracket, wheel stand etc.Crossbeam 1 has the cross-beam body that cross-sectional plane becomes U-shaped.As shown in Figure 3, two longitudinal edges of cross-beam body are with longitudinal flange 10,11.As shown in Figure 2, two ends, left and right 12 bellies of cross-beam body will exceed interlude 15 bellies, surmount is h, the end 12 of cross-beam body to interlude 15 has transition phase 14, cross-beam body inner side is provided with two brace panels 16, two brace panels 16 extend respectively from the different ends of cross-beam body in the middle of cross-beam body, and the both sides of brace panel 16 and the sidewall of cross-beam body are connected as shown in Figures 3 to 5.
In preferred embodiment of the present invention, the thickness of slab that longitudinally width of flange 10,11 is greater than cross-beam body is more than 2 times.
In preferred embodiment of the present invention, the surmount h that the belly at both ends 12 exceeds interlude belly is about 20% of interlude 15.
In preferred embodiment of the present invention, as shown in Figure 2, transition phase 14 will be crossed spring holder 4 grades and strengthen structure, and it more relies on inner side, crosses over the section width that width w is no less than crossbeam 1.
In preferred embodiment of the present invention, the length L of brace panel 16 is about 1/4 of cross-beam body length, as shown in Figure 6 and Figure 7, there is respectively flange 160,161 at its two longitudinal edge and edge, inner limit, Intermediate Gray concave bar 17, concave bar 17 becomes U-shaped on brace panel 16, and as shown in Figure 1, its starting point is positioned at transition phase 14(width w) centre.As shown in Figure 7, there is weakening strength structure 162 outer end of brace panel 16, and weakening strength structure 162 is for example two breach 162, and the welding of the outer end of brace panel 16 and crossbeam 1 inner side will be interrupted, and is beneficial to like this torsional displacement of elastic range can occur and does not interfere.As shown in Figure 8, the middle squelette of brace panel 16 is similar to half recessed bar parabola, more the belly towards the part in the middle of cross-beam body the closer to cross-beam body.
Contriver finds by practice, the torsional stiffness of torsion beam back axle depend on to a great extent in crossbeam section configuration and crossbeam two ends strengthen version etc. the composite design that will count of structure, other is such as the front and back position of crossbeam, longeron shape and section, spring holder and damper bracket, wheel stands etc. are all because the requirements such as general layout are difficult to there is large variation, the major cause that fracture by fatigue appears in torsion beam crossbeam shirt rim is from 2 aspects: the suffered stress of a certain scope section produces larger twist angle displacement, this scope section opposing torsional deformation ability a little less than, so propose every improvement of the present invention.
Claims (9)
1. torsion beam back axle crossbeam, it is characterized in that, comprise that cross-sectional plane becomes the cross-beam body of U-shaped, two longitudinal edges of cross-beam body are with longitudinal flange, the two ends belly of described cross-beam body will exceed interlude belly, and the end of described cross-beam body to interlude has transition phase, and described cross-beam body inner side is provided with two brace panels, two brace panels extend respectively from the different ends of cross-beam body in the middle of cross-beam body, and the both sides of each brace panel are connected with the sidewall of cross-beam body.
2. torsion beam back axle crossbeam as claimed in claim 1, is characterized in that, the width of described longitudinal flange is greater than crossbeam thickness of slab more than 2 times.
3. torsion beam back axle crossbeam as claimed in claim 1, is characterized in that, the two ends belly of described cross-beam body will exceed 20% of interlude height than interlude belly.
4. torsion beam back axle crossbeam as claimed in claim 1, is characterized in that, the leap width of described transition phase is not less than cross-beam body cross-sectional width.
5. torsion beam back axle crossbeam as claimed in claim 1, is characterized in that, the end of described cross-beam body more relies on than the spring holder integral body of torsion beam back axle in the middle of described cross-beam body to the reference position of the transition phase of interlude.
6. torsion beam back axle crossbeam as claimed in claim 1, is characterized in that, the inner limit described in each in the middle of two of brace panel longitudinal edges and close described cross-beam body is formed with flange, and the centre of described brace panel is formed with the concave bar taking the shape of the letter U on brace panel.
7. torsion beam back axle crossbeam as claimed in claim 1, is characterized in that, the outer end of described brace panel is formed with weakening strength structure, to allow the torsional displacement in the flexible scope of brace panel.
8. torsion beam back axle crossbeam as claimed in claim 6, is characterized in that, described in each, the length of brace panel is described cross-beam body 1/4, and the starting point of described concave bar is positioned at the centre of the length of described transition phase.
9. torsion beam back axle crossbeam as claimed in claim 1, is characterized in that, described brace panel is the belly towards the part in the middle of cross-beam body the closer to cross-beam body more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310207682.9A CN103522864B (en) | 2013-05-29 | 2013-05-29 | Torsion beam rear axle crossbeam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310207682.9A CN103522864B (en) | 2013-05-29 | 2013-05-29 | Torsion beam rear axle crossbeam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103522864A true CN103522864A (en) | 2014-01-22 |
| CN103522864B CN103522864B (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310207682.9A Active CN103522864B (en) | 2013-05-29 | 2013-05-29 | Torsion beam rear axle crossbeam |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104354558A (en) * | 2014-11-06 | 2015-02-18 | 吉林大学 | Light-weight assembly-type automobile twist beam suspension |
| CN104827850A (en) * | 2014-12-22 | 2015-08-12 | 北汽福田汽车股份有限公司 | Torsion beam and vehicle provided with same |
| CN106256570A (en) * | 2015-06-17 | 2016-12-28 | 福特全球技术公司 | Twist beam axle for vehicle |
| CN106314062A (en) * | 2015-06-30 | 2017-01-11 | 福特全球技术公司 | A torsion cross beam, in particular for a composite steering axle and a motor vehicle comprising the torsion cross beam |
| CN107206859A (en) * | 2015-01-30 | 2017-09-26 | 双叶产业株式会社 | Torsion beam type suspension |
| WO2018013989A1 (en) | 2016-07-15 | 2018-01-18 | Magna International Inc. | Vehicle twist axle assembly |
| CN107867141A (en) * | 2016-09-27 | 2018-04-03 | 三菱自动车工业株式会社 | Twist-beam suspension and the stiffener for twist-beam suspension |
| CN110370881A (en) * | 2019-07-31 | 2019-10-25 | 天人汽车底盘（芜湖）股份有限公司 | A kind of molding high-strength vehicle torsion beam of thermoforming steel making |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0650860A1 (en) * | 1993-10-30 | 1995-05-03 | Adam Opel Ag | Welded rear axle for motor vehicle |
| US6487886B2 (en) * | 2000-03-09 | 2002-12-03 | Toyota Jidosha Kabushiki Kaisha | Irregular-section tubular body and axle beam for torsion beam and method of manufacturing the same |
| EP1454776A2 (en) * | 2003-03-06 | 2004-09-08 | Auto Chassis International SNC | Twist-beam axle and method of making the cross-beam |
| CN102666154A (en) * | 2009-10-30 | 2012-09-12 | 麦格纳国际公司 | Torsion beam of twist axle |
| CN102745035A (en) * | 2012-07-24 | 2012-10-24 | 中国长安汽车集团股份有限公司四川建安车桥分公司 | Semi-independent suspension structure of automobile rear torsion beam |
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2013
- 2013-05-29 CN CN201310207682.9A patent/CN103522864B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0650860A1 (en) * | 1993-10-30 | 1995-05-03 | Adam Opel Ag | Welded rear axle for motor vehicle |
| US6487886B2 (en) * | 2000-03-09 | 2002-12-03 | Toyota Jidosha Kabushiki Kaisha | Irregular-section tubular body and axle beam for torsion beam and method of manufacturing the same |
| EP1454776A2 (en) * | 2003-03-06 | 2004-09-08 | Auto Chassis International SNC | Twist-beam axle and method of making the cross-beam |
| CN102666154A (en) * | 2009-10-30 | 2012-09-12 | 麦格纳国际公司 | Torsion beam of twist axle |
| CN102745035A (en) * | 2012-07-24 | 2012-10-24 | 中国长安汽车集团股份有限公司四川建安车桥分公司 | Semi-independent suspension structure of automobile rear torsion beam |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104354558A (en) * | 2014-11-06 | 2015-02-18 | 吉林大学 | Light-weight assembly-type automobile twist beam suspension |
| CN104827850A (en) * | 2014-12-22 | 2015-08-12 | 北汽福田汽车股份有限公司 | Torsion beam and vehicle provided with same |
| CN107206859A (en) * | 2015-01-30 | 2017-09-26 | 双叶产业株式会社 | Torsion beam type suspension |
| CN106256570A (en) * | 2015-06-17 | 2016-12-28 | 福特全球技术公司 | Twist beam axle for vehicle |
| CN106314062A (en) * | 2015-06-30 | 2017-01-11 | 福特全球技术公司 | A torsion cross beam, in particular for a composite steering axle and a motor vehicle comprising the torsion cross beam |
| EP3484734A4 (en) * | 2016-07-15 | 2020-03-18 | Magna International Inc. | Vehicle twist axle assembly |
| CN109476198A (en) * | 2016-07-15 | 2019-03-15 | 麦格纳国际公司 | Vehicle torsion shaft assembly |
| WO2018013989A1 (en) | 2016-07-15 | 2018-01-18 | Magna International Inc. | Vehicle twist axle assembly |
| US10946711B2 (en) | 2016-07-15 | 2021-03-16 | Magna International Inc. | Vehicle twist axle assembly |
| CN107867141A (en) * | 2016-09-27 | 2018-04-03 | 三菱自动车工业株式会社 | Twist-beam suspension and the stiffener for twist-beam suspension |
| CN107867141B (en) * | 2016-09-27 | 2022-06-21 | 三菱自动车工业株式会社 | Torsion beam type suspension and reinforcing member for torsion beam type suspension |
| CN110370881A (en) * | 2019-07-31 | 2019-10-25 | 天人汽车底盘（芜湖）股份有限公司 | A kind of molding high-strength vehicle torsion beam of thermoforming steel making |
| CN110370881B (en) * | 2019-07-31 | 2024-06-11 | 天人汽车底盘（芜湖）股份有限公司 | High-strength automobile torsion beam manufactured and molded by hot-forming steel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103522864B (en) | 2017-02-22 |
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