CN207711741U - Aluminum-steel hybrid torsion girder construction - Google Patents
Aluminum-steel hybrid torsion girder construction Download PDFInfo
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- CN207711741U CN207711741U CN201721715178.XU CN201721715178U CN207711741U CN 207711741 U CN207711741 U CN 207711741U CN 201721715178 U CN201721715178 U CN 201721715178U CN 207711741 U CN207711741 U CN 207711741U
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- crossbeam
- aluminum
- girder construction
- side bar
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Abstract
The utility model is related to a kind of aluminum-steel hybrid torsion girder constructions, belong to the technical field of Automobile Design and Manufacturing.The aluminum-steel hybrid torsion girder construction of the utility model, including crossbeam, aluminium alloy side bar and end frame；The end of crossbeam and the upper and lower part of end frame are both provided at least three through-holes；At least three round platforms with circular vias are provided on aluminium alloy side bar, round platform is respectively arranged inside and outside the side bar；The upper and lower inner surface of beam-end holder is arranged in correspondence with the upper and lower surface in round platform, and bolt passes sequentially through the end of crossbeam, the via of the through-hole of end frame and round platform and fixed by nut, the length direction for extending perpendicularly to the crossbeam of bolt.The aluminum-steel hybrid torsion girder construction of the utility model, which not only significantly reduces whole weight, realizes lightweight, but also using whole spiro connection structure, welding interior stress is can avoid, to improve the durability of structure.
Description
Technical field
The utility model is related to the technical fields of Automobile Design and Manufacturing, and more specifically, the utility model is related to one kind
Aluminum-steel hybrid torsion girder construction.
Background technology
As shown in Figure 1, torsion beam in the prior art is plate stamping welding fabrication, wherein side bar is steel tube bending
Or steel plate punched soldering structure two types, crossbeam are also classified into highly pressurised liquid in plate stamping molding and tubing and are molded two kinds, cross
Cross sectional shape is " V " shape or " u "-shaped.The crossbeam and side bar generally use steel of existing torsion beam, and side bar can be subtracted using aluminum
The weight (such as CN105564184A, CN205009911U etc.) of light torsion girder construction, however being spirally connected for welding or routine is used,
Cause binding force more weak, especially the two junction easily deforms under big torque and structure is caused to be destroyed.
Utility model content
In order to solve above-mentioned technical problem in the prior art, the purpose of this utility model is to provide a kind of aluminum-steel hybrids
Torsion girder construction.
A kind of aluminum-steel hybrid torsion girder construction, it is characterised in that：Including aluminium alloy side bar, crossbeam and end frame；Institute
It states end frame to be welded in the end of the crossbeam, the end of the crossbeam and the upper and lower part of end frame are both provided with
At least three circular through holes；It is provided at least three on the aluminium alloy side bar through the side bar upper and lower surface and there is via
Round platform, the round platform is respectively arranged inside and outside the side bar；The upper and lower inner surface of beam-end holder is accordingly
It is set to the upper and lower surface of the round platform, and bolt passes sequentially through the logical of the beam-end and end frame top
Hole, the via of round platform and the through-hole of beam-end and end frame lower part are simultaneously fixed by nut, wherein the axis of the bolt
Length direction of the line direction perpendicular to the crossbeam.
Wherein, the number of the round platform is 3, and the portion perimeter of each round platform shows out the aluminium alloy side bar
Outside.
Wherein, torsion bar is set inside the crossbeam, and the torsion bar is welded with the left and right end frame bottom plate of crossbeam, the torsion
Bar extends and parallel with the crossbeam in the crossbeam.
Wherein, the section of the crossbeam is " U "-shaped, has parallel upper plate and lower plate, is between the upper plate and lower plate
The end of side plate, the upper plate and lower plate is correspondingly provided at least three through-hole.
Wherein, the upper plate, lower plate and side plate are single steel plate punching press integrated formed structure.
Wherein, the end frame includes the upper connecting plate being bonded with the upper plate of the crossbeam, the lower plate patch with the crossbeam
The lower connecting plate of conjunction, or the lateral connecting board that is bonded neighbouring with the side plate of the crossbeam, and after the upper connecting plate and lower connecting plate
Side and the bottom plate combined with the upper connecting plate, lower connecting plate and lateral connecting board；The end of the upper connecting plate has and the upper plate
The corresponding at least three of external part has the external part of through-hole；The end of the lower connecting plate has the external part pair with the lower plate
At least three answered has the external part of through-hole.
Wherein, be provided on the bottom plate allow the torsion bar by through-hole, the torsion bar is interior with the inner via hole
The opposite place of wall is provided with copper and tin coating, and the thickness of the copper and tin coating is 0.1~0.5mm, tin in the copper and tin coating
Content is 10~13wt%, and surplus is copper.
Wherein, the endoporus is stretched out in the end face of the torsion bar, and torsion bar end face expose holder floor length be 6mm with
On, the outlet of the torsion bar and the endoporus makes the holder and the torsion bar welding by electric arc welding.
Wherein, the beam-end holder upper connecting plate, lower connecting plate, lateral connecting board and bottom plate are an integral molding structure.
Wherein, hub bearing mounting structure and spring lower tray are integrated on the aluminium alloy side bar.
Aluminum-steel hybrid torsion girder construction described in the utility model has the advantages that：
The aluminum-steel hybrid torsion girder construction of the utility model, which not only significantly reduces whole weight, realizes lightweight, and
And using whole bolt arrangement, be conducive to the torsion for transmitting crossbeam and side bar engaging portion, it is therefore prevented that local stress concentration, significantly
The durability and control stability of structure are improved, welding interior stress is can avoid, to improve the durability of structure.
Description of the drawings
Fig. 1 is the structural schematic diagram of the aluminum-steel hybrid torsion girder construction of the prior art.
Fig. 2 is the configuration schematic diagram of the aluminum-steel hybrid torsion girder construction of embodiment 1.
Fig. 3 is the disassemblying structure schematic diagram of the aluminum-steel hybrid torsion girder construction of embodiment 1.
Fig. 4 is the partial sectional view of the aluminum-steel hybrid torsion girder construction of embodiment 1.
The overall structure diagram of the aluminum-steel hybrid torsion girder construction of Fig. 5 embodiments 1.
Meaning in figure represented by each reference numeral is respectively：100- crossbeams, 200- end frames, 300- torsion bars, 400-
Aluminium alloy side bar, 500- bolts, 600- nuts, 101- beam-end upper inner surfaces, 102- beam-end lower inner surfaces, on 110-
The upper hole of plate end, the lower opening of 120- lower plates end, 201- end frame upper outer surfaces, 202- end frame outer lower face surfaces,
203- end frame upper inner surfaces, 204- end frame lower inner surfaces, 205- end frame heavy platforms outer surface, 210- end frames
Upper hole, 220- end frame lower opening, 230- end frame vias, the end of 330- torsion bars, the end face of 305- torsion bars, 401- wheel hubs
Bearing mounting surface, 402- helical spring seat rings, 403- side bar round platforms upper surface, 404- side bar round platforms lower surface, 410- side bar mistakes
Hole, 420- bushing press-mountings hole, 430- hub bearing mounting holes, 440- middle vias, 450- sleeve vias, 460- bolt through-holes,
470- lightening holes.
Specific implementation mode
Aluminum-steel hybrid torsion girder construction described in the utility model is further explained below with reference to specific embodiment
It states, to help those skilled in the art to the design of the utility model of the utility model, that technical solution has is more complete, accurate and deep
The understanding entered.
Embodiment 1
As shown in attached drawing 2-5, the aluminum-steel hybrid torsion girder construction of the present embodiment, including crossbeam 100 and aluminium alloy side bar 400
With end frame 200.The crossbeam can be that single layer steel plate punched is formed, and the side bar 400 is aluminium alloy casting or is forged into
Type, front end are bushing press-mounting hole 420.It is provided on the aluminium alloy side bar and the external part correspondingly 3 cylinders
Platform, 3 cylinder tables are located at the both sides of the aluminium alloy side bar, and via 410 is provided on the cylinder table.The cross
The section of beam 100 is " U "-shaped, is side plate with parallel upper plate and lower plate, between the upper plate and lower plate, the upper plate
End offers hole 110, and the end of the lower plate offers lower opening 120.Upper hole 110 is coaxially disposed with corresponding lower opening 120.
The end frame 200 includes the upper connecting plate being bonded with the upper inner surface of the beam-end 101, the lower interior table with the crossbeam
Lower connecting plate that face 102 is bonded, or the lateral connecting board that is bonded neighbouring with the side plate of the crossbeam, and be located at the upper connecting plate and under
Fishplate bar rear and the bottom plate combined with the upper connecting plate, lower connecting plate and lateral connecting board.The end of the upper connecting plate have with it is described
The corresponding at least three through-hole of upper plate；The end of the lower connecting plate has at least three through-hole corresponding with the lower plate.Crossbeam 100
Terminal interior surface 101,102 is bonded with 200 outer surface 201,202 of beam-end holder respectively, mounting hole 110 and 210 coaxial, torsions
300 end 330 of bar is inserted into 230 hole of beam-end holder, and torsion bar end face 305 appears 205 about 6mm of holder heavy platform outer surface, such as
Electric arc boxing is carried out shown in Fig. 4, between surface 101 and 201,102 and 202 also can appropriate spot welding to increase bonding strength.It is described
Be provided on bottom plate allow the torsion bar by endoporus 230.The endoporus, and torsion bar end face are stretched out in the end face of the torsion bar
Exposing holder floor length is 6mm or more, and the outlet of the torsion bar and the endoporus is made described by electric arc welding
Holder and the torsion bar welding.Crossbeam 100, beam-end holder 200 and torsion bar 300 are completed after welding according to shown in Fig. 5, each
Hole penetrates flange face bolt 500, and bolt 500 penetrates hole 110,210,310,220,120, screws in and tighten flange surface nut successively
600, by the face 203,204 of beam welding assembly respectively with side bar round platform upper surface 403, side bar round platform lower surface 404 compress, i.e.,
Beam welding assembly and side bar 400 are connected as an entirety using several bolt and nuts, constitute aluminum-steel hybrid torsion girder construction.
Side bar 400 is that aluminium alloy is cast or forging molding, front end are bushing press-mounting hole 420, and the rear part is equipped with and crossbeam number of aperture
Mesh identical via 410 is then structure 430,440,401 and installation vibration damping for installing hub bearing outside side bar rearmost end
The via 450,460 of device, and inside its rearmost end it is the seat surface 402 for installing helical spring.Directly collect on side bar 400
At hub bearing mounting structure and spring lower tray, wherein four holes 430 are hub bearing mounting hole, 440 be middle via,
Face 401 is hub bearing mounting surface；As shown in figure 3, hole 450 is the bolt tool sleeve via of mounting dampers, 460 be bolt
Via, 450 apertures are more than hole 460；Round table surface 402 is helical spring seat ring, and endoporus 470 is lightening hole.In the present invention,
The mounting axis direction of the bolt 500 is perpendicular to the length direction of the crossbeam 100, and bolt 500 is arranged in end
In the side bar round platform of 200 both sides of portion's holder, be conducive to the torsion for transmitting crossbeam and side bar engaging portion, it is therefore prevented that local stress collection
In, significantly improve the durability and control stability of structure；And the torsion bar 300 being arranged and 200 solder bond of end frame,
It can be used for adjusting the torsion stiffness of torsion beam.The aluminum-steel hybrid torsion girder construction of the utility model can be used for the vehicles such as car or SUV
Type.
For the ordinary skill in the art, specific embodiment has only carried out exemplary retouch to the utility model
It states, it is clear that the utility model specific implementation is not subject to the restrictions described above, as long as using the methodology of the utility model
The improvement of the various unsubstantialities carried out with technical solution, or it is not improved that the design of the utility model and technical solution is direct
Applied to other occasions, it both is within the protection scope of the present invention.
Claims (8)
1. a kind of aluminum-steel hybrid torsion girder construction, it is characterised in that：Including aluminium alloy side bar, crossbeam and end frame；It is described
End frame is welded in the end of the crossbeam, the end of the crossbeam and the upper and lower part of end frame be both provided with to
Few three circular through holes；It is provided at least three on the aluminium alloy side bar through the side bar upper and lower surface and there is via
Round platform, the round platform are respectively arranged inside and outside the side bar；The upper and lower inner surface of beam-end holder is accordingly set
It is placed in the upper and lower surface of the round platform, and bolt passes sequentially through the logical of the beam-end and end frame top
Hole, the via of round platform and the through-hole of beam-end and end frame lower part are simultaneously fixed by nut, wherein the axis of the bolt
Length direction of the line direction perpendicular to the crossbeam.
2. aluminum-steel hybrid torsion girder construction according to claim 1, it is characterised in that：The number of the round platform is 3, and
And the portion perimeter of each round platform is showed out outside the aluminium alloy side bar.
3. aluminum-steel hybrid torsion girder construction according to claim 1, it is characterised in that：Torsion bar is set inside the crossbeam,
The torsion bar is welded with the left and right end frame bottom plate of crossbeam, and the torsion bar extends in the crossbeam and put down with the crossbeam
Row.
4. aluminum-steel hybrid torsion girder construction according to claim 1, it is characterised in that：The section of the crossbeam is " U "-shaped,
It is side plate between the upper plate and lower plate, the end of the upper plate and lower plate is arranged in correspondence with parallel upper plate and lower plate
There is at least three through-hole.
5. aluminum-steel hybrid torsion girder construction according to claim 4, it is characterised in that：The upper plate, lower plate and side plate are
Single steel plate punching press integrated formed structure.
6. aluminum-steel hybrid torsion girder construction according to claim 5, it is characterised in that：The end frame include with it is described
The upper connecting plate of the upper plate fitting of crossbeam, the side plate of the lower connecting plate and the crossbeam that are bonded with the lower plate of the crossbeam is neighbouring or pastes
The lateral connecting board of conjunction, and positioned at the upper connecting plate and lower connecting plate rear and with the upper connecting plate, lower connecting plate and lateral connecting board knot
The bottom plate of conjunction；The end of the upper connecting plate is with external part of at least three with through-hole corresponding with the external part of the upper plate；
The end of the lower connecting plate is with external part of at least three with through-hole corresponding with the external part of the lower plate.
7. aluminum-steel hybrid torsion girder construction according to claim 6, it is characterised in that：It is connect on the beam-end holder
Plate, lower connecting plate, lateral connecting board and bottom plate are an integral molding structure.
8. aluminum-steel hybrid torsion girder construction according to claim 1, it is characterised in that：It is integrated on the aluminium alloy side bar
Hub bearing mounting structure and spring lower tray.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721715178.XU CN207711741U (en) | 2017-12-08 | 2017-12-08 | Aluminum-steel hybrid torsion girder construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721715178.XU CN207711741U (en) | 2017-12-08 | 2017-12-08 | Aluminum-steel hybrid torsion girder construction |
Publications (1)
| Publication Number | Publication Date |
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| CN207711741U true CN207711741U (en) | 2018-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721715178.XU Active CN207711741U (en) | 2017-12-08 | 2017-12-08 | Aluminum-steel hybrid torsion girder construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107985001A (en) * | 2017-12-08 | 2018-05-04 | 阿尔特汽车技术股份有限公司 | Aluminum-steel hybrid torsion girder construction |
-
2017
- 2017-12-08 CN CN201721715178.XU patent/CN207711741U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107985001A (en) * | 2017-12-08 | 2018-05-04 | 阿尔特汽车技术股份有限公司 | Aluminum-steel hybrid torsion girder construction |
| CN107985001B (en) * | 2017-12-08 | 2024-07-30 | 阿尔特汽车技术股份有限公司 | Steel-aluminum hybrid torsion beam structure |
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