CN102809047B - Aluminum alloy groove-shaped section - Google Patents
Aluminum alloy groove-shaped section Download PDFInfo
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- CN102809047B CN102809047B CN201110142732.0A CN201110142732A CN102809047B CN 102809047 B CN102809047 B CN 102809047B CN 201110142732 A CN201110142732 A CN 201110142732A CN 102809047 B CN102809047 B CN 102809047B
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Abstract
The invention discloses a kind of aluminum alloy groove-shaped section, comprise leg, waist and lower leg, the longitudinal section of section bar waist comprises at least one hole, this hole inside is provided with stiffening rib.This kind of grooved profile not only effectively can alleviate weight when grooved profile uses as traffic tool component parts, and does not reduce intensity.
Description
Technical field
The present invention relates to aluminium section bar processing technique field, particularly relate to aluminum alloy groove-shaped section.
Background technique
Under the trend that, oil price nervous in global energy rises steadily, the low oil consumption of automobile becomes the focus of auto vendor, Consumer day by day; Further, under the VE Vehicle Economy standard of European Union and U.S.'s increasingly stringent and tail-gas law are compeled, the average fuel consumption of vehicle under each auto vendor takes every way to reduce.It is reported, oil consumption and car weight have direct relation: vehicle complete vehicle weight reduces by 10%, and fuel efficiency can improve 6% ~ 8%; Vehicle complete vehicle quality often reduces 100 kilograms, and fuel consumption per hundred kilometers can reduce by 0.3 ~ 0.6 liter; Vehicle weight reduces by 1%, and oil consumption can reduce by 0.7%.Therefore, when not affecting Safety performance, carrying out light-weight technologg to vehicle is one of effective way reducing oil consumption, is also one of attraction of recent global Ge great auto vendor new product.
At present, for ensureing the safety and stability of automobile running, automobile skeleton and each component many employings steel matter manufacture.Aluminum alloy represents as the material of high strength, lightweight, certainly will become the light-weighted first-selection of the traffic tool and substitute material.So aluminum alloy being processed into the structure and shape that more meet traffic tool lightweight target, is the trend of the aluminium processing industry coming years.
Summary of the invention
Embodiments provide aluminum alloy groove-shaped section, effectively can alleviate weight when grooved profile uses as traffic tool component parts.
For achieving the above object, the embodiment of the present invention provides following technological scheme:
Aluminum alloy groove-shaped section, comprises leg and waist, and leg is divided into leg and lower leg, and the longitudinal section at the joining portion of this grooved profile waist or leg and waist comprises at least one hole, and this hole inside is provided with stiffening rib.
Preferably, the shape of this hole is V-arrangement, rectangle, circle, triangle or right-angled trapezium.
Preferably, the thickness of this hole is no more than 1/2 of leg average thickness.
Preferably, the thickness of this stiffening rib is not less than 1/5 of its place hole thickness.
Preferably, this hole and stiffening rib run through described section bar two surfaces, and described surface is perpendicular to the stress surface of described section bar.
Preferably, this stiffening rib and described grooved profile joint are fillet.
Preferably, the length of this stiffening rib is identical with grooved profile length.
Preferably, this stiffening rib is lineal shape, V-arrangement, arc, waveform or circle.
Preferably, this rectilinear stiffening rib is perpendicular to described hole inwall, or the angle of rectilinear stiffening rib and described hole inwall is 45-75 degree.
Compared with prior art, the present invention has following beneficial effect:
1, quality is light: the density of iron is 7.86g/cm
3, the density of Common Straight Carbon Steel is 7.85g/cm
3, the density of high strength alloy steel is 7.82g/cm
3, and the density of fine aluminium is 2.70g/cm
3, the density of superduralumin is 2.85g/cm
3, learn thus, the density of aluminium be approximately iron, steel about 1/3, weight loss effect is obvious.In addition, the application's scheme is the pertusate section bar of inner band, and hole can arrange size and location as required, further alleviates the quality of aluminium alloy extrusions, and part-structure weight can alleviate more than 50%.
2, intensity is high: ratio-" specific strength " of intensity of aluminum alloy and proportion can reach 24 ~ 60kgf/mm
2, close to or exceed high-quality steel.
3, position is flexible: hole is positioned at waist or is positioned at the joining portion of leg and waist, therefore, and can according to different demand, different load condition, the corresponding hole setting position of different application environmental selection.Such as, when the leg of grooved profile stressed larger, hole is arranged on waist.Further, the stiffening rib of varying number can be set, to gain in strength in hole.
4, energy-conserving and environment-protective: produce 1 kilogram of electrolytic aluminium, now domestic average energy consumption is 14 degree of electricity; This kilogram of electrolytic aluminium applies to automobile, field of traffic, can substitute the iron and steel of 3 kilograms.Due to alleviating of automotive dead weight, in the life cycle of this automobile, by the gasoline consumption of minimizing 23 liters, reduce by the CO2 emission of 2760 liters, the gasoline of 23 liters equals 1288 degree of electricity from energy.Therefore for whole society's resource, drop into the aluminum alloy that 1 degree of electricity is produced, after removing other consumption, 92 degree of electricity can be saved in the middle of using process, there is energy-saving and cost-reducing great social profit.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the section bar schematic cross-section (hole is trapezoidal+triangle) of the embodiment of the present invention;
Fig. 2 is the section bar schematic perspective view of the embodiment of the present invention;
Fig. 3 is the section bar schematic cross-section (hole is trapezoidal, has stiffening rib) of the embodiment of the present invention;
Fig. 4 is the section bar schematic cross-section (hole is quadrilateral arranged side by side) of the embodiment of the present invention;
Fig. 5 is the section bar schematic cross-section (hole is rectangle, has stiffening rib) of the embodiment of the present invention;
Fig. 6 is the section bar schematic cross-section (hole is positioned at the joining portion of waist and leg) of the embodiment of the present invention;
Fig. 7 is the section bar schematic cross-section (hole is V-arrangement, U-shaped) of the embodiment of the present invention;
Fig. 8 is the section bar schematic cross-section (hole is for circular) of the embodiment of the present invention;
Wherein, 1, upper leg, 2, waist, 3, lower leg, 4, hole, 5, stiffening rib.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention offers hole by the inside of leg on aluminium grooved profile, and this hole inside is provided with stiffening rib; Weight reduction while proof strength.Stiffening rib refers to the profile structure of arranging along grooved profile axial direction, mainly under the prerequisite not increasing grooved profile wall thickness, increases the strength and stability of structure, also can be described as stiffening plate, strengthening rib etc.
The length of stiffening rib can be consistent with the length of grooved profile, and axial two ends connect the outer wall of grooved profile.Stiffening rib and described grooved profile joint are fillet, and with the excessive phenomenon concentrated that eliminates stress, the design of fillet also makes die cavity filling more smooth.Stiffening rib can be once extruded with grooved profile, or separately extruded after to be welded one, do not affect the realization of the embodiment of the present invention.It is below specific embodiment.
Embodiment one,
Aluminum alloy groove-shaped section, comprises leg and waist 2, and leg is the projection of grooved profile, and two-part up and down that leg is positioned at waist 2 top and low side are respectively leg 1 and lower leg 3; Support between leg, attachment portion are waist 2.It is vertical that grooved profile using state is generally waist 2, and the outside of namely going up leg 1 and/or lower leg 3 is stress surface.The left and right end of upper leg 1 and lower leg 3 is wide or not wide, right-hand member is provided with short hook or interior curved, does not affect the enforcement of the application.
The longitudinal section of grooved profile waist 2 comprises at least one hole 4, hole 4 inside is provided with stiffening rib 5.This hole 4, when little to section bar intensity effect, can reduce section bar deadweight, realize the traffic tool (automobile, subway etc.) lightweight, energy-saving and cost-reducing object.This hole 4 and stiffening rib 5 can be transformed by mould in profile extrusion process shaping, also can extruding after secondary operations formed, do not affect the realization of the embodiment of the present application.
As shown in Figure 1, the position of hole 4 relates to waist 2, waist 2 and the joining portion of leg, uniform force while weight reduction, can be disperseed by hole, keep intensity.
Hole 4 and stiffening rib 5 can run through one or more surfaces of section bar, and this surface is perpendicular to the stress surface of section bar.The stress surface of section bar is the upper surface of upper leg 1 or the lower surface of lower leg 3 as shown in Figure 3, then hole 4 and stiffening rib 5 can connect with the side at waist 2 or joining portion, namely, when the length of stiffening rib is identical with described grooved profile length, reduce to minimum by section bar by the impact of heavy intensity.Hole 4 and stiffening rib 5 run through of section bar surperficial time, this hole 4 is half through hole; When running through two or more surfaces of section bar, this hole 4 is full through hole.
Embodiment two,
A kind of grooved profile, comprises leg 1, waist 2 and lower leg 3, the longitudinal section of section bar waist 2 comprises at least one hole 4.Stiffening rib 5 can be provided with, to make up section bar loss of strength in hole 4.As shown in Fig. 3, Fig. 5, Fig. 8, stiffening rib 5 is different according to the shape of hole 4, can be the shape that lineal shape, V-arrangement, arc, waveform or circle etc. adapt with hole, does not affect the realization of the embodiment of the present application.
Rectilinear stiffening rib 5 can perpendicular to the inwall of hole 4, or rectilinear stiffening rib 5 has an angle with hole 4 inwall, and preferable range is 45-75 degree, and as shown in Figure 3, stiffening rib 5 and hole 4 inwall angle are 45-60 degree, Figure 8 shows that 75 degree and 90 degree.
Embodiment three,
As shown in Figure 6, the shape of the hole 4 at grooved profile leg and waist 2 joining portion is triangle, and hypotenuse, then can by the inner side from the supreme leg of pressure dissipation 1 on upper leg 1 surface, lower leg 3 and waist 2 inside joining portion.
Distance (i.e. thickness) between any two limits of this triangle, when being no more than 1/2 of joining portion average thickness, can be ignored the impact of bulk strength.The thickness of stiffening rib 5 is not less than 1/5 of its position hole 4 thickness, has a positive effect to the intensity strengthening grooved profile.
Embodiment four,
As shown in figures 1-8, the shape of grooved profile hole 4 can be V-arrangement, rectangle, circle, triangle or irregular shape, all can effectively dispersive pressure and alleviate section bar deadweight.
The shape of stiffening rib 5 can be lineal shape, V-arrangement, arc, waveform or circle, all can effectively dispersive pressure.
The feature such as position, stiffening rib, thickness of hole 4, with above-described embodiment one to three, repeats no more.
Above the aluminum alloy groove-shaped section that the embodiment of the present invention provides is described in detail, apply specific case herein to set forth principle of the present invention and mode of execution, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in summary, this description should not be construed as limitation of the present invention.
Claims (4)
1. aluminum alloy groove-shaped section, comprise leg and waist, leg is divided into leg and lower leg, the top being positioned at described waist of described leg and two-part up and down of bottom are respectively described upper leg and lower leg, the outside of described upper leg and/or lower leg is stress surface, it is characterized in that, the longitudinal section at the joining portion of described grooved profile waist or described leg and described waist comprises at least one hole, described hole inside is provided with stiffening rib, the thickness of described hole is no more than 1/2 of leg average thickness, the thickness of described stiffening rib is not less than 1/5 of its place hole thickness, described stiffening rib is lineal shape, V-arrangement, arc, waveform or circle, wherein, rectilinear stiffening rib is perpendicular to described hole inwall, or the angle of rectilinear stiffening rib and described hole inwall is 45-75 degree, described hole and described stiffening rib run through described section bar two surfaces, described surface is perpendicular to the stress surface of described section bar.
2. aluminum alloy groove-shaped section according to claim 1, is characterized in that, the shape of described hole is V-arrangement, rectangle, circle, triangle or right-angled trapezium.
3. the aluminum alloy groove-shaped section according to any one of claim 1 to 2, is characterized in that, described stiffening rib and described grooved profile joint are fillet.
4. the aluminum alloy groove-shaped section according to any one of claim 1 to 2, is characterized in that, the length of described stiffening rib is identical with described grooved profile length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110142732.0A CN102809047B (en) | 2011-05-30 | 2011-05-30 | Aluminum alloy groove-shaped section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110142732.0A CN102809047B (en) | 2011-05-30 | 2011-05-30 | Aluminum alloy groove-shaped section |
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| CN102809047A CN102809047A (en) | 2012-12-05 |
| CN102809047B true CN102809047B (en) | 2016-04-20 |
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| CN201110142732.0A Active CN102809047B (en) | 2011-05-30 | 2011-05-30 | Aluminum alloy groove-shaped section |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109969756A (en) * | 2017-12-28 | 2019-07-05 | 广东泰莱机械有限公司 | A kind of lift roller platform conveyer aluminium bracket |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201231753Y (en) * | 2008-05-23 | 2009-05-06 | 长春轨道客车股份有限公司 | Light sleeper |
| CN201694262U (en) * | 2010-06-13 | 2011-01-05 | 贾秉成 | Vehicle frame part |
| EP2284032A1 (en) * | 2009-07-28 | 2011-02-16 | Behr GmbH & Co. KG | Fixing frame, heat exchanger and vehicle |
| CN202082591U (en) * | 2011-05-30 | 2011-12-21 | 湖南晟通科技集团有限公司 | Aluminum alloy groove-shaped section |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1181455A (en) * | 1997-09-05 | 1999-03-26 | Nippon Light Metal Co Ltd | Structure kit |
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- 2011-05-30 CN CN201110142732.0A patent/CN102809047B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201231753Y (en) * | 2008-05-23 | 2009-05-06 | 长春轨道客车股份有限公司 | Light sleeper |
| EP2284032A1 (en) * | 2009-07-28 | 2011-02-16 | Behr GmbH & Co. KG | Fixing frame, heat exchanger and vehicle |
| CN201694262U (en) * | 2010-06-13 | 2011-01-05 | 贾秉成 | Vehicle frame part |
| CN202082591U (en) * | 2011-05-30 | 2011-12-21 | 湖南晟通科技集团有限公司 | Aluminum alloy groove-shaped section |
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| CN102809047A (en) | 2012-12-05 |
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Address after: Sheng Tong Industrial Park No. 109 Venus Road 410000 in Hunan province Changsha District of Wangcheng City Applicant after: Suntown Technology Group Corporation Address before: Sheng Tong Industrial Park No. 109 Venus Road 410000 in Hunan province Changsha District of Wangcheng City Applicant before: Hunan Shengtong Technology Group Co., Ltd. |
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Address after: 410200 Sheng Tong Industrial Park, 109 Jinxing Road, Wangcheng District, Changsha, Hunan. Patentee after: Suntown Technology Group Corporation Address before: Shengtong Industrial Park, 109 Jinxing Road, Wangcheng District, Changsha City, Hunan Province Patentee before: Suntown Technology Group Corporation |