CN213358430U - Energy-absorbing anti-collision guardrail structure filled with foamed aluminum material - Google Patents
Energy-absorbing anti-collision guardrail structure filled with foamed aluminum material Download PDFInfo
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- CN213358430U CN213358430U CN202021625370.1U CN202021625370U CN213358430U CN 213358430 U CN213358430 U CN 213358430U CN 202021625370 U CN202021625370 U CN 202021625370U CN 213358430 U CN213358430 U CN 213358430U
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Abstract
The invention relates to an energy-absorbing anti-collision guardrail structure filled with foamed aluminum materials, which comprises straight-face arched double-pipe beams, foamed aluminum fillers, anti-stumbling pieces, upright posts and bolt connecting pieces. The straight-face arched double-pipe beam comprises an arched plate and a back-pasting welding plate, the section shape of the arched plate is similar to an arched shape, each side of the arched plate has a certain angle, the back of the arched plate is welded with the back-pasting welding plate, a foamed aluminum filler is arranged in a semi-closed opening formed by a protruding and back-pasting welding plate, two faces of an anti-stumbling block are respectively arranged on the back of the arched plate and an upright post, the upright post is anchored with a foundation, every two straight-face arched double-pipe beams are longitudinally connected in an overlapping mode through a bolt connecting piece, and the straight-face arched double-pipe beams are vertically arranged in a double-layer mode in the direction perpendicular to a road surface. The lower layer of the utility model can effectively buffer and protect the trolley, and the upper layer can effectively intercept the large-scale trolley without passing through; the advantages of the new foamed aluminum material are reasonably utilized; good appearance and increased permeability.
Description
Technical Field
The utility model belongs to traffic safety protection field, in particular to energy-absorbing anticollision barrier structure of packing foamed aluminium material.
Background
With the rapid growth of economy and the vigorous development of road transportation industry in China, the use frequency and the load of road traffic facilities are directly increased, people pay more and more attention to the safety of traffic travel, and a road guardrail plays a vital role as the last line of defense of traffic safety.
At present, the most main use of the highway guardrail is the semi-steel guardrail, the collision energy is absorbed through self-deformation when vehicles collide, the guardrail with certain strength and rigidity is widely applied in the aspects of simple construction, good landscape, easy processing and the like, and the corrugated steel plate has good deformation capacity. Through accident investigation, a plurality of cars are stumbled and blocked at the position of the upright post after being collided, so that the cars seriously occupy the living space of passengers in the cars, and the rigidity and the buffering performance are insufficient; in addition, the riding and crossing phenomena are likely to occur due to large deformation after the large-sized vehicle is impacted. To sum up, how to combine the buffering energy-absorbing of small-size car and the great intensity protection of large-scale car, be the problem that semi-rigid guardrail need be solved for.
The foamed aluminum material is one of the most potential new materials recognized in the world, has excellent properties of light weight, strong buffering and energy absorption properties, corrosion resistance, easiness in processing and the like, is applied to a buffer structure of a small vehicle due to the stress area increase and the material strain hardening effect caused by air hole collapse when the foamed aluminum bears pressure, can form a good buffering and protecting effect on an accident vehicle, has a small volume weight and a light structure, can reduce the structural weight of a crash pad, and is convenient to transport; meanwhile, the accident analysis of the large-sized vehicle shows that the structure for protecting the large-sized vehicle has higher rigidity.
The design code of road traffic safety facilities states that reliable new technology, new materials, new processes and new products should be actively popularized and used under the condition of meeting the safety and use functions.
Based on this, put forward the design protection theory of double-deck guardrail, the lower floor uses foamed aluminium material to form better cushioning effect to the kart, and the protection of large-scale car is put forward the upper strata and is adopted the structural style of great rigidity, makes the guardrail protective capability more perfect, under the condition that does not increase the cost, and positive response country "four new" policy puts forward an energy-absorbing anticollision guardrail structure of packing foamed aluminium material, realizes the comprehensive benefit of safety, economy and environmental protection.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fill foamed aluminium material's energy-absorbing anticollision barrier structure. The semi-rigid guardrail overcomes the defects of the prior semi-rigid guardrail in respectively protecting small vehicles and large vehicles.
In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:
the utility model provides a fill foamed aluminium material's energy-absorbing anticollision barrier structure, includes bow-shaped double-pipe beam of straight face, foamed aluminium filler, prevents stumbling piece, stand, bolted connection spare, its characterized in that: the straight-surface arched double-pipe beam comprises an arched plate and a back-attached welding plate, the section of the arched plate is approximately arched, each side of the arched plate has a certain angle, the collision surface of the cambered plate consists of an upper straight surface bulge, a lower straight surface bulge and a middle groove, the back surface of the cambered plate is welded with a back pasting welding plate, and is positioned at the opening position of the upper and lower straight surface bulges, the foamed aluminum filler is arranged in a semi-closed opening formed by the bulges and the back sticking welding plate, one side of the anti-stumbling block piece is tightly stuck and arranged on the back surface of the arched plate, and is connected by the anchoring of a bolt connecting piece, the other side of the anti-stumbling block piece is arranged on the upright post in a clinging way, the arched double-pipe beam is anchored and connected through the bolt connecting piece, the stand column is anchored with the foundation, every two arched double-pipe beams on the straight surface are longitudinally connected in an overlapping mode through the bolt connecting piece, and the arched double-pipe beams on the straight surface are arranged in an upper layer and a lower layer in the direction perpendicular to the road surface.
Further, the plate thickness that the bow-shaped double-pipe beam of straight face is located the upper strata is great, the plate thickness that the bow-shaped double-pipe beam of straight face is located the lower floor is less, the foamed aluminum filler sets up in the half closed opening that the bow-shaped double-pipe beam of straight face that is located the lower floor constitutes, the certain length within range that the vertical overlap joint position of one end that is located the bow-shaped double-pipe beam of straight face of lower floor does not set up foamed aluminum filler and back and pastes the welding plate, the certain length within range that the vertical overlap joint position of one end that is located the bow-shaped double-pipe beam of straight face of upper strata does not set up the back and pastes the welding plate.
Further, the straight face protrusion on the arc-shaped plate and the welded back pasting welding plate are both provided with bolt holes, the foamed aluminum filler filled in the semi-closed opening formed by the protrusion and the back pasting welding plate is also provided with matched through bolt holes, the middle groove is also provided with bolt holes, and the protrusion, the middle groove and the back pasting welding plate between every two straight face arch-shaped double-pipe beams are fixedly connected through bolt connecting pieces after being matched with the bolt holes on the foamed aluminum filler.
Further, the foamed aluminum filler material is foamed aluminum.
Furthermore, the cross-sectional shape of the anti-stumbling block comprises a quadrangle of a semicircular surface, the semicircular surface is fixedly connected with the stand column through a bolt connecting piece in a matched mode, the vertical surface of the other side is fixedly connected with the straight arched double-pipe beam through the bolt connecting piece in a matched mode, and bolt holes are formed in the semicircular surface and the vertical surface.
Further, the foundation comprises a soil foundation and a bridge, the stand column is anchored with the soil foundation through a piling foundation or a concrete foundation, and the stand column is anchored with the bridge through a flange mode or a pre-embedded sleeve mode.
After the technical scheme is adopted, the utility model discloses following beneficial effect has:
(1) the lower layer can effectively buffer and protect the trolley, and the upper layer can effectively intercept and not pass through the large-scale trolley;
(2) on the premise of not increasing the manufacturing cost, the advantages of the new foamed aluminum material are reasonably utilized, and the national 'four new' policy is actively responded;
(3) the appearance is better, and the permeability of the guardrail is increased compared with that of a corrugated beam;
(4) the steel structure resource is more reasonably utilized, and the engineering construction concept of resource saving and environmental protection is met.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings required to be used in the embodiments are briefly described as follows:
FIG. 1 is a schematic cross-sectional view of embodiment 1 of the present invention;
fig. 2 is a schematic front view of embodiment 1 of the present invention;
fig. 3 is a front schematic view of an upper straight arched double-pipe beam in embodiment 1 of the present invention;
fig. 4 is a schematic view of a section a of an upper straight arched double-pipe beam in embodiment 1 of the present invention;
fig. 5 is a schematic view of a section B of an upper straight arched double-pipe beam in embodiment 1 of the present invention;
fig. 6 is a front schematic view of a straight arched double-pipe beam in the lower layer of embodiment 1 of the present invention;
fig. 7 is a cross-sectional view C of a straight arched double-pipe beam of the lower layer according to embodiment 1 of the present invention;
fig. 8 is a schematic view of a section D of a lower straight arched double-pipe beam in embodiment 1 of the present invention;
fig. 9 is a schematic view of a section E of a lower straight arched double-pipe beam according to example 1 of the present invention;
FIG. 10 is a schematic view of the anti-snag member according to embodiment 1 of the present invention;
fig. 11 is a schematic cross-sectional view of embodiment 2 of the present invention;
fig. 12 is a schematic cross-sectional view of embodiment 3 of the present invention.
Labeled as follows in the figure
1. A straight-faced arched double-pipe beam; 2. a foamed aluminum filler; 3. an anti-snag element; 4. a column; 5. a bolt connection; 6. an arcuate plate; 7. pasting a welding plate on the back; 8. a collision-facing surface; 9. the straight surface is convex; 10 a middle groove; 11. a back side; 12. a foundation; 13. bolt holes; 14. a semi-circular surface.
Detailed Description
The present invention will be described in further detail with reference to examples and specific embodiments. However, it should not be understood that the scope of the above-mentioned subject matter of the present invention is limited to the following embodiments, and any technique realized based on the present invention is within the scope of the present invention.
As shown in fig. 1-2, which is a schematic view of embodiment 1 of the present invention. Comprises a straight arched double-pipe beam 1, foamed aluminum filler 2, an anti-stumbling block 3, a column 4 and a bolt connecting piece 5. Prevent stumbling and hinder 3 one side and hug closely the setting on the bow-shaped double-barrelled roof beam of straight face 1, and connect through the anchor of bolted connection 5, prevent stumbling and hinder 3 opposite side and hug closely the setting on stand 4, and connect through the anchor of bolted connection 5, basis 12 is the soil base, stand 4 and basis 12 are through the anchor of pile foundation, through the vertical overlap joint of bolted connection 5 between per two blocks of the bow-shaped double-barrelled roof beam of straight face 1, the bow-shaped double-barrelled roof beam of straight face 1 sets up bilayer about perpendicular road surface direction, the bow-shaped double-barrelled roof beam of straight face 1 is located the plate thickness on upper strata great, the bow-shaped double-barrelled roof beam of straight face 1 is located the plate thickness on lower floor less, foamed aluminum filler 2 sets up in the semi-sealed opening that the bow-shaped double-barrelled roof beam of straight.
As shown in fig. 3-5, a schematic view of an upper straight arched double-tube beam in embodiment 1 of the present invention is shown.
The plate thickness of the straight-face arched double-tube beam 1 on the upper layer is 5mm, the straight-face arched double-tube beam 1 comprises an arched plate 6 and a back-attached welding plate 7, the section shape of the arched plate 6 is similar to an arched shape, each side of the arched plate has a certain angle, the collision-facing surface 8 of the arched plate 6 consists of an upper straight-face bulge 9 and a lower straight-face bulge 9 and a middle groove 10, the back 11 of the arched plate 6 is welded with the back-attached welding plate 7 and is located at the opening position of the upper straight-face bulge 9 and the back-attached welding plate 7 to form a semi-closed opening, and the back-attached welding plate 7 is not arranged in a certain length range of the longitudinal overlapping position of one end of the straight-face arched double-tube beam 1 on the upper layer.
The straight-face bulge 9 on the arched plate 6 and the welded back-side welding plate 7 are both provided with bolt holes 13, the middle groove 10 is also provided with bolt holes 13, and the bulge 9 between every two straight-face arched double-tube beams 1, the middle groove 10 and the bolt holes 13 on the back-side welding plate 7 are matched and then fixedly connected through the bolt connecting piece 5.
As shown in fig. 6-9, which are schematic views of a straight-faced arched double-pipe beam in example 1 of the present invention.
The plate thickness of the straight-face arched double-tube beam 1 on the upper layer is 3mm, the straight-face arched double-tube beam 1 comprises an arched plate 6 and a back-attached welding plate 7, the cross section of the arched plate 6 is approximately arched, each side of the arched plate has a certain angle, a collision face 8 of the arched plate 6 consists of an upper straight-face bulge 9 and a lower straight-face bulge 9 and a middle groove 10, the back face 11 of the arched plate 6 is welded with the back-attached welding plate 7 and is located at the opening position of the upper straight-face bulge 9 and the lower straight-face bulge 9, the foamed aluminum filler 2 is arranged in a semi-closed opening formed by the bulges 9 and the back-attached welding plate 7, and the foamed aluminum filler 2 and the back-attached welding plate 7 are not arranged in a certain length range of the longitudinal overlapping position of one end of the straight-face arched double-tube beam 1 on the lower layer.
The straight-face bulge 9 on the arched plate 6 and the welded back pasting welding plate 7 are both provided with bolt holes 13, the foamed aluminum filler 2 filled in the semi-closed opening formed by the bulge 9 and the back pasting welding plate 7 is also provided with matched through bolt holes 13, the middle groove 10 is also provided with bolt holes 13, and the bulge 9, the middle groove 10, the back pasting welding plate 7 and the bolt holes 13 on the foamed aluminum filler 2 between every two straight-face arched double-tube beam 1 are fixedly connected through bolt connecting pieces 5 after being matched.
Fig. 10 is a schematic view of the anti-snag member according to embodiment 1 of the present invention.
The cross section of the anti-tripping piece 3 is quadrilateral with a semicircular surface 14, the semicircular surface 14 is matched with the stand column 4 and fixedly connected with the stand column through a bolt connecting piece 5, the vertical surface on the other side is matched with the straight arched double-pipe beam 1 and fixedly connected with the straight arched double-pipe beam through the bolt connecting piece 5, and bolt holes 13 are formed in the semicircular surface 14 and the vertical surface.
Fig. 11 is a schematic cross-sectional view of embodiment 2 of the present invention. Comprises a straight arched double-pipe beam 1, foamed aluminum filler 2, an anti-stumbling block 3, a column 4 and a bolt connecting piece 5. Prevent stumbling and hinder 3 one side and hug closely the setting on the bow-shaped double-pipe beam of straight face 1, and connect through 5 anchor of bolted connection spare, prevent stumbling and hinder 3 opposite side and hug closely the setting on stand 4, and connect through 5 anchor of bolted connection spare, basis 12 is the bridge, stand 4 and basis 12 pass through the flange mode anchor, through 5 vertical overlap joint of bolted connection spare between per two blocks of the bow-shaped double-pipe beam of straight face 1, the bow-shaped double-pipe beam of straight face 1 perpendicular road surface direction sets up bilayer from top to bottom, the bow-shaped double-pipe beam of straight face 1 is located the plate thickness on upper strata great, the bow-shaped double-pipe beam of straight face 1 is located the plate thickness of lower floor less, foamed aluminum filler 2 sets up in the semi-closed opening that the bow-shaped double-pipe beam of straight face 1 that is located the lower floor constitutes.
Fig. 12 is a schematic cross-sectional view of embodiment 3 of the present invention. Comprises a straight arched double-pipe beam 1, foamed aluminum filler 2, an anti-stumbling block 3, a column 4 and a bolt connecting piece 5. Prevent stumbling and hinder 3 one side and hug closely the setting on bow-shaped double-pipe beam 1 of straight face, and connect through 5 anchor of bolted connection spare, prevent stumbling and hinder 3 opposite side and hug closely the setting on stand 4, and connect through 5 anchor of bolted connection spare, basis 12 is the bridge, stand 4 and basis 12 are through pre-buried sleeve mode anchor, through 5 vertical overlap joint of bolted connection spare between per two blocks of bow-shaped double-pipe beam 1 of straight face, 1 perpendicular road surface direction of bow-shaped double-pipe beam of straight face sets up bilayer from top to bottom, the plate thickness that bow-shaped double-pipe beam 1 of straight face is located the upper strata is great, the plate thickness that bow-shaped double-pipe beam 1 of straight face is located the lower floor is less, foamed aluminum filler 2 sets up in the semi-sealed opening that bow-shaped double-pipe beam 1 of straight face that is located the lower floor constitutes.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a fill foamed aluminium material's energy-absorbing anticollision barrier structure, includes straight-face bow-shaped double-pipe beam (1), foamed aluminium filler (2), prevents stumbling and hinders piece (3), stand (4), bolted connection spare (5), its characterized in that: the straight-face arched double-pipe beam (1) comprises an arched plate (6) and a back-attached welding plate (7), the section of the arched plate (6) is approximately arched, each side of the arched plate has a certain angle, a collision face (8) of the arched plate (6) consists of an upper straight-face bulge (9), a lower straight-face bulge (9) and a middle groove (10), the back face (11) of the arched plate (6) is welded with the back-attached welding plate (7) and is positioned at the opening position of the upper straight-face bulge (9) and the lower straight-face bulge (9), a foamed aluminum filler (2) is arranged in a semi-closed opening formed by the bulges (9) and the back-attached welding plate (7), one side of an anti-stumbling piece (3) is closely arranged on the back face (11) of the arched plate (6) and is connected through a bolt connecting piece (5) in an anchoring manner, the other side of the anti-stumbling piece (3) is closely arranged on a stand column (4) and is connected through a bolt, the upright posts (4) are anchored with the foundation (12), every two straight arched double-pipe beams (1) are longitudinally connected in an overlapping mode through bolt connecting pieces (5), and the straight arched double-pipe beams (1) are vertically arranged in a double-layer mode in the direction perpendicular to the road surface.
2. The energy absorbing crash barrier structure of claim 1 wherein: the plate thickness that straight-sided bow-shaped double-pipe beam (1) is located the upper strata is great, the plate thickness that straight-sided bow-shaped double-pipe beam (1) is located the lower floor is less, foamed aluminum filler (2) set up in the semi-closed opening that straight-sided bow-shaped double-pipe beam (1) that is located the lower floor constitutes, the certain length within range that is located the vertical overlap joint position of one end of straight-sided bow-shaped double-pipe beam (1) of lower floor does not set up foamed aluminum filler (2) and back and pastes welding plate (7), the certain length within range that is located the vertical overlap joint position of one end of straight-sided bow-shaped double-pipe beam (1) on upper strata does not set up back and pastes welding plate (7).
3. The energy absorbing crash barrier structure of claim 1 wherein: straight face arch (9) on bow-shaped board (6) and welded back paste and weld board (7) and all set up bolt hole (13), the foamed aluminum filler (2) that fills in the semi-closed opening that protruding (9) and back paste and weld board (7) are constituteed also sets up the bolt hole (13) that link up that matches, middle recess (10) also set up bolt hole (13), pass through bolted connection spare (5) fixed connection after protruding (9), middle recess (10), back paste and weld board (7), the bolt hole (13) phase-match on foamed aluminum filler (2) between per two of straight face bow-shaped double-pipe beam (1).
4. The energy absorbing crash barrier structure of claim 1 wherein: the foamed aluminum filler (2) is made of foamed aluminum.
5. The energy absorbing crash barrier structure of claim 1 wherein: the cross section of the anti-tripping piece (3) comprises a quadrangle of a semicircular face (14), the semicircular face (14) is matched with the stand column (4) and fixedly connected with the stand column through a bolt connecting piece (5), the vertical face of the other side is matched with the straight bow-shaped double-pipe beam (1) and fixedly connected with the stand column through the bolt connecting piece (5), and bolt holes (13) are formed in the semicircular face (14) and the vertical face.
6. The energy absorbing crash barrier structure of claim 1 wherein: the foundation (12) comprises a soil foundation and a bridge, the upright post (4) is anchored with the soil foundation through a piling foundation or a concrete foundation, and the upright post (4) is anchored with the bridge through a flange mode or a pre-embedded sleeve mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021625370.1U CN213358430U (en) | 2020-08-07 | 2020-08-07 | Energy-absorbing anti-collision guardrail structure filled with foamed aluminum material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021625370.1U CN213358430U (en) | 2020-08-07 | 2020-08-07 | Energy-absorbing anti-collision guardrail structure filled with foamed aluminum material |
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| Publication Number | Publication Date |
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| CN213358430U true CN213358430U (en) | 2021-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021625370.1U Active CN213358430U (en) | 2020-08-07 | 2020-08-07 | Energy-absorbing anti-collision guardrail structure filled with foamed aluminum material |
Country Status (1)
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| CN (1) | CN213358430U (en) |
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- 2020-08-07 CN CN202021625370.1U patent/CN213358430U/en active Active
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