CN215165037U

CN215165037U - Anti-collision guardrail structure adopting folded plate cross beam

Info

Publication number: CN215165037U
Application number: CN202021768533.1U
Authority: CN
Inventors: 闫书明; 邓宝; 杨福宇; 龚帅; 亢寒晶; 王新; 马晴; 刘思源; 杨周妮; 胡学成
Original assignee: Beijing Hualuan Traffic Technology Co ltd
Current assignee: Beijing Hualuan Traffic Technology Co ltd
Priority date: 2020-08-22
Filing date: 2020-08-22
Publication date: 2021-12-14
Anticipated expiration: 2030-08-22

Abstract

The invention relates to an anti-collision guardrail structure adopting a folded plate cross beam, which comprises a folded plate cross beam and a stand column, wherein the folded plate cross beam is formed by bending a plate or welding a plurality of plates, the folded plate cross beam at least comprises four transverse plates and three vertical plates, the side, facing the collision surface, of the folded plate cross beam comprises an upper vertical parallel vertical plate and a lower parallel vertical plate and a middle concave surface, the side, facing the collision surface, of the folded plate cross beam comprises an upper concave surface, a lower concave surface and a middle vertical plate, the concave surface consists of two transverse plates which are symmetrical up and down and the middle vertical plate, bolt holes are formed in the vertical plates on the concave surface and two ends of the vertical plate on the collision surface, the vertical height of the vertical plate on the side, facing the collision surface, in the transverse direction of the folded plate cross beam is smaller than that of the vertical surface on the back surface, and every two sections of the folded plate cross beam are longitudinally assembled through two lap joint bolts. The folded plate cross beam can increase the rigidity of the guardrail, the lower layer of the double-layer structure can effectively buffer and protect the trolley, and the upper layer can effectively intercept and not pass through the large-scale trolley; the impact surface is reduced, and the permeability is increased.

Description

Anti-collision guardrail structure adopting folded plate cross beam

Technical Field

The utility model belongs to traffic safety protection field, in particular to adopt anticollision barrier structure of folded plate crossbeam.

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 highway guardrail is mainly made of semi-steel guardrails, collision energy is absorbed through self-deformation when vehicles collide, the guardrail has certain strength and rigidity, meanwhile, the guardrail is widely applied in the aspects of simple construction, good landscape, easy processing and the like, a corrugated plate beam guardrail form introduced in Europe is mainly used domestically, a corrugated plate beam is of an arc structure with an upper groove and a lower groove, and accident investigation shows that after a plurality of cars collide the corrugated plate beam, the vehicles are easy to drill down due to the fact that the lower arc structure is easy to deform, so that the vehicles are stumbled at the positions of stand columns, the living space of passengers in the vehicles is seriously occupied, and the rigidity is 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.

Based on this, provide double-deck guardrail design protection theory, the lower floor uses thinner folded plate crossbeam, the folded plate mode increases rigidity for the arc, forms better buffering energy-absorbing guard action to the kart, the protection of large-scale car provides the folded plate crossbeam form that the upper strata adopted great thickness in addition, makes guardrail protective capability more perfect, under the condition that does not increase the cost, provides an anticollision barrier structure who adopts the folded plate crossbeam, realizes the comprehensive benefit of "safe and safe traffic, green traffic".

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an adopt crashproof guardrail structure of folded plate crossbeam provides double-deck guardrail design protection theory to overcome present semi-rigid guardrail and protect not enough to small-size car and large-scale car respectively.

In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:

an anti-collision guardrail structure adopting a folded plate cross beam comprises a folded plate cross beam and a stand column, wherein the folded plate cross beam is formed by bending a plate or welding a plurality of plates, the folded plate cross beam at least comprises four transverse plates and three vertical plates, the side, facing the collision surface, of the folded plate cross beam comprises an upper vertical parallel vertical plate and a lower vertical plate and a middle concave surface, the side, facing the collision surface, of the folded plate cross beam comprises an upper concave surface, a lower concave surface and a middle vertical plate, the concave surface consists of two transverse plates which are symmetrical from top to bottom and the middle vertical plate, bolt holes are formed in the vertical plates on the concave surfaces and the two ends of the vertical plate on the side facing the collision surface, the vertical height of the vertical plate on the side facing the collision surface in the transverse direction of the folded plate cross beam is smaller than the vertical height of the concave surface on the side of the back surface, the vertical plate in the folded plate cross beam is vertical to the road surface, the transverse plates in the folded plate cross beam are horizontally parallel to the road surface or are arranged at oblique angles, and every two sections of the folded plate cross beam are spliced by two lap joints, the lap other end sets up outer discount in folded plate crossbeam longitudinal direction one end sets up, the cross-section of interior butt is less than the cross-section of the outer discount of the other end, and the outer discount cross-section of a little bit is detained in the interior butt cross-section outside of a little bit and is spliced through the bolt slightly, connected mode between folded plate crossbeam and the stand includes directly assembling through the bolt, the folded plate crossbeam sets up doubly in stand vertical direction, the bolt hole of the riser setting on the concave surface is used for passing bolt and stand anchor connection.

Furthermore, all the opening positions of the concave surfaces on the folded plate cross beam are sealed or closed by adopting the vertical plates, at the moment, the concave surfaces and the vertical plates form a tubular shape with two open ends, and the inner space of the tube can be filled with buffering energy-absorbing materials.

Furthermore, the connection mode between the folded plate cross beam and the stand column further comprises a blocking prevention block, a bolt hole in the vertical plate of the concave surface is connected with the blocking prevention block through a bolt, the blocking prevention block is of a polygonal hollow frame structure, and the other side of the blocking prevention block is connected with the stand column through a bolt.

Further, the material of the folded plate cross beams and the folded plate vertical columns comprises carbon steel, alloy steel or a combination of the carbon steel and the alloy steel, and the buffering and energy-absorbing material comprises foamed aluminum, foamed concrete, rubber or a high molecular compound.

Further, the cross-sectional shape of the stand column is circular, rectangular, I-shaped or channel steel, the cross-sectional shape of the block is rectangular, quadrilateral or hexagonal, when the circular stand column is connected with the block, the plate shape on one side, which is attached to the block, of the block is a matched arc, and when the square stand column is connected with the block, the plate shape on one side, which is attached to the block, of the block is a matched flat plate.

Further, the road surface comprises a soil foundation and a bridge, the stand column is anchored with the soil foundation through a pile 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 folded plate cross beam can increase the rigidity of the guardrail, and the same level can achieve larger safety margin;

(3) the folded plate cross beam has better appearance, and the collision face of the guardrail is reduced and the permeability is increased compared with a corrugated beam guardrail;

(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 cross-sectional view of a folded plate beam according to embodiment 1 of the present invention;

fig. 4 is a front schematic view of a folded plate cross beam according to embodiment 1 of the present invention;

FIG. 5 is a cross-sectional view of the inner lap and the outer lap of the folded plate beam according to embodiment 1 of the present invention;

FIG. 6 is a schematic cross-sectional view of the lap joint of the inner lap joint and the outer lap joint of the folded plate beam according to embodiment 1 of the present invention;

fig. 7 is a cross-sectional view of a folded plate beam according to embodiment 2 of the present invention;

fig. 8 is a cross-sectional view of a folded plate beam according to embodiment 3 of the present invention;

fig. 9 is a schematic cross-sectional view of embodiment 4 of the present invention;

fig. 10 is a schematic cross-sectional view of embodiment 5 of the present invention;

fig. 11 is a schematic plan view of the block of embodiment 5 of the present invention.

Labeled as follows in the figure

1. A folded plate cross beam; 2. an anti-blocking block; 3. a column; 4. a transverse plate; 5. a vertical plate; 6. a collision-facing surface; 7. a concave surface; 8. a back side; 9. bolt holes; 10, inner lapping; 11. an outer buckle head; 12. a road 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. Including folded plate crossbeam 2, stand 3, assemble through the overlap joint of both ends between every two sections of folded plate crossbeam 2 is vertical, the connected mode between folded plate crossbeam 2 and the stand 3 is including directly assembling through the bolt, folded plate crossbeam 2 sets up double in 3 vertical directions of stand. As shown in fig. 3-6, the folded plate beam 2 is formed by bending a plate, the folded plate beam 2 comprises four transverse plates 4 and three vertical plates 5, one side of the collision surface 6 of the folded plate beam 2 comprises an upper vertical plane 5 and a lower vertical plane 5 which are parallel and level, and a middle concave plane 7, one side of the back surface 8 of the folded plate beam 2 comprises an upper concave plane 7, a lower concave plane 7 and a middle vertical plane 5, the concave plane 7 comprises two transverse plates 4 which are symmetrical up and down, bolt holes 9 are arranged at two ends of the vertical plane 5 on the concave plane 7 and the vertical plane 5 on the collision surface 6, the vertical height of the vertical plane 5 on the collision surface 6 side in the transverse direction of the folded plate beam 2 is smaller than the vertical height of the concave plane 7 on the back surface 8 side, one end of the folded plate beam 2 in the longitudinal direction is provided with an inner buckle 10, the other end is provided with an outer buckle 11, the cross section of the inner buckle 10 is smaller than the cross section of the outer buckle 11 at the other end, the cross section of the external buckle 11 which is a little larger is buckled outside the cross section of the internal buckle 10 which is a little smaller and is spliced by bolts, and the bolt holes 9 arranged on the vertical plates 5 on the concave surfaces 7 are used for passing through the bolts to be connected with the upright posts 3 in an anchoring way.

The vertical plates 5 in the folded plate cross beam 2 are vertical to the road surface 12, and the transverse plates 4 in the folded plate cross beam 2 are horizontally arranged on the road surface 12.

The folded plate cross beam 2 and the upright post 3 are made of carbon steel, the cross section of the upright post 3 is rectangular, the pavement 12 is a bridge, and the upright post 3 is anchored with the bridge in a pre-buried sleeve mode.

As shown in fig. 7, the folded plate cross beam is a schematic view according to embodiment 2 of the present invention. The folded plate cross beam 2 is formed by bending a plate, the folded plate cross beam 2 comprises four transverse plates 4 and five vertical plates 5, one side of a collision surface 6 of the folded plate cross beam 2 comprises an upper vertical parallel vertical plate 5 and a middle concave surface 7, the concave surface 7 comprises two transverse plates 4 and the middle vertical plate 5 which are symmetrical up and down, the opening positions of all the concave surfaces 7 on one side of a back surface 8 of the folded plate cross beam 2 are sealed by the vertical plates 5, at the moment, the concave surfaces 7 and the vertical plates 5 form a tubular shape with two open ends, the vertical plates 5 on the concave surfaces 7 and the vertical plates 5 on the collision surface 6 are provided with bolt holes 9 at two ends, the vertical height of the vertical plates 5 on the side of the collision surface 6 in the transverse direction of the folded plate cross beam 2 is smaller than that of the concave surface 7 on one side of the back surface 8, one end of the folded plate cross beam 2 in the longitudinal direction is provided with an inner buckle head 10, the other end of the folded plate cross beam is provided with an outer buckle head 11, the concave surface 7 at the position 8 of the positions of the inner buckle head 10 and the outer buckle head 11 is not sealed, the section of the inner lap joint 10 is smaller than that of the outer buckle joint 11 at the other end, and the section of the outer buckle joint 11 which is a little larger is externally buckled outside the section of the inner lap joint 10 which is a little smaller and is spliced through a bolt.

The vertical plates 5 in the folded plate cross beam 2 are perpendicular to the road surface 12, and the transverse plates 4 in the folded plate cross beam 2 are obliquely arranged at an angle with the road surface 12.

As shown in fig. 8, the folded plate cross beam is a schematic view according to embodiment 3 of the present invention. The folded plate cross beam 2 is formed by bending a plate, the folded plate cross beam 2 comprises four transverse plates 4 and five vertical plates 5, one side of a collision surface 6 of the folded plate cross beam 2 comprises an upper vertical plate 5 and a lower vertical plate 5 which are parallel and level, and a middle concave surface 7, the concave surface 7 consists of two transverse plates 4 and the middle vertical plate 5 which are symmetrical up and down, the opening positions of all the concave surfaces 7 on one side of a back surface 8 of the folded plate cross beam 2 are sealed by the vertical plates 5, at the moment, the concave surfaces 7 and the vertical plates 5 form a tubular shape with two open ends, a buffering energy-absorbing material is filled in an inner space, bolt holes 9 are arranged at the two ends of the vertical plates 5 on the concave surfaces 7 and the vertical plates 5 on the collision surface 6, the vertical height of the vertical plates 5 on one side of the collision surface 6 in the transverse direction of the folded plate cross beam 2 is smaller than the vertical height of the concave surfaces 7 on one side of the back surface 8, one end of the longitudinal direction of the folded plate cross beam 2 is provided with an inner lap 10, and the other end is provided with an outer buckle 11, the concave surface 7 at the back 8 of the positions of the inner butt joint 10 and the outer butt joint 11 is not closed, the section of the inner butt joint 10 is smaller than that of the outer butt joint 11 at the other end, and the section of the outer butt joint 11 which is a little larger is externally buckled outside the section of the inner butt joint 10 which is a little smaller and is spliced through a bolt.

The buffering energy-absorbing material is a foamed aluminum block.

As shown in fig. 9, is a schematic view of embodiment 4 of the present invention. Including folded plate crossbeam 2, stand 3, assemble through the overlap joint of both ends between every two sections of folded plate crossbeam 2 is vertical, the connected mode between folded plate crossbeam 2 and the stand 3 is including directly assembling through the bolt, folded plate crossbeam 2 sets up double in 3 vertical directions of stand. The folded plate cross beam 2 is formed by bending a plate, the folded plate cross beam 2 comprises four transverse plates 4 and five vertical plates 5, one side of a collision surface 6 of the folded plate cross beam 2 comprises an upper vertical parallel vertical plate 5 and a middle concave surface 7, the concave surface 7 comprises two transverse plates 4 and the middle vertical plate 5 which are symmetrical up and down, the opening positions of all the concave surfaces 7 on one side of a back surface 8 of the folded plate cross beam 2 are sealed by the vertical plates 5, at the moment, the concave surfaces 7 and the vertical plates 5 form a tubular shape with two open ends, the vertical plates 5 on the concave surfaces 7 and the vertical plates 5 on the collision surface 6 are provided with bolt holes 9 at two ends, the vertical height of the vertical plates 5 on the side of the collision surface 6 in the transverse direction of the folded plate cross beam 2 is smaller than that of the concave surface 7 on one side of the back surface 8, one end of the folded plate cross beam 2 in the longitudinal direction is provided with an inner buckle head 10, the other end of the folded plate cross beam is provided with an outer buckle head 11, the concave surface 7 at the position 8 of the positions of the inner buckle head 10 and the outer buckle head 11 is not sealed, the section of the inner lap joint 10 is smaller than that of the outer buckle joint 11 at the other end, and the section of the outer buckle joint 11 which is a little larger is externally buckled outside the section of the inner lap joint 10 which is a little smaller and is spliced through a bolt.

The folded plate cross beam 2 and the upright post 3 are made of alloy steel, the cross section of the upright post 3 is circular, the pavement 12 is a bridge, and the upright post 3 is anchored with the bridge in a flange mode.

As shown in fig. 10, is a schematic view of embodiment 4 of the present invention. Including folded plate crossbeam 2, stand 3, assemble through the overlap joint of both ends between per two sections of folded plate crossbeam 2 is vertical, prevent between folded plate crossbeam 2 and the stand 3 through setting up that block 2 carries out the bolt and assemble, as shown in fig. 11, bolt hole 9 on the riser 5 of concave surface 7 passes through bolted connection with bolt hole 9 on preventing block 2, prevent that block 2 cross-sectional shape is the rectangle, prevent block 2 and be quadrangle hollow frame structure, prevent 2 another sides of block and 3 bolted connection of stand again, folded plate crossbeam 2 sets up double in the vertical direction of stand 3. The folded plate cross beam 2 is formed by bending a plate, the folded plate cross beam 2 comprises four transverse plates 4 and five vertical plates 5, one side of a collision surface 6 of the folded plate cross beam 2 comprises an upper vertical parallel vertical plate 5 and a middle concave surface 7, the concave surface 7 consists of two transverse plates 4 which are symmetrical up and down and a middle vertical plate 5, one side of the back surface 8 of the upper folded plate cross beam 2 comprises an upper concave surface 7 and a lower concave surface 7 and a middle vertical plate 5, the concave surface 7 consists of two transverse plates 4 which are symmetrical up and down and a middle vertical plate 5, all opening positions of the concave surface 7 on one side of the back surface 8 of the lower folded plate cross beam 2 are sealed by the vertical plates 5, at the moment, the concave surface 7 and the vertical plates 5 form a tubular shape with two open ends, the inner space of the tube is filled with energy-absorbing buffering material, and bolt holes 9 are arranged at two ends of the vertical plates 5 on the concave surface 7 and the vertical plates 5 on the collision surface 6, the vertical height of a vertical plate 5 positioned on one side of a collision-facing surface 6 in the transverse direction of the folded plate beam 2 is smaller than the vertical height of a concave surface 7 on one side of a back surface 8, one end of the folded plate beam 2 in the longitudinal direction is provided with an inner butt 10, the other end of the inner butt 10 is provided with an outer butt 11, the concave surface 7 at the back surface 8 of the position of the inner butt 10 and the outer butt 11 is not closed, the cross section of the inner butt 10 is smaller than that of the outer butt 11 at the other end, and the cross section of the outer butt 11 which is a little bigger is externally buckled outside the cross section of the inner butt 10 which is a little smaller and spliced through bolts.

The folded plate cross beam 2 and the upright post 3 are made of carbon steel, the cross section of the upright post 3 is rectangular, when the square upright post 3 is connected with the anti-blocking block 2, the plate shape of one side, which is attached to the anti-blocking block 2, of the anti-blocking block is a matched flat plate shape, the pavement 12 is a soil foundation, and the upright post 3 is anchored with the soil foundation in a pile driving foundation mode.

The buffering energy-absorbing material is a rubber block.

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

1. The utility model provides an adopt anticollision barrier structure of folded plate crossbeam, includes folded plate crossbeam (1), stand (3), its characterized in that: the plate folding cross beam (1) is formed by bending a plate or welding a plurality of plates, the plate folding cross beam (1) at least comprises four transverse plates (4) and three vertical plates (5), one side of a collision surface (6) of the plate folding cross beam (1) comprises an upper vertical surface (5) and a lower vertical surface (5) which are parallel and level and a middle concave surface (7), one side of a back surface (8) of the plate folding cross beam (1) comprises an upper concave surface (7) and a lower concave surface (5) and a middle vertical surface (5), the concave surfaces (7) are composed of two transverse plates (4) which are symmetrical up and down and the middle vertical plates (5), bolt holes (9) are arranged at two ends of the vertical plates (5) on the concave surfaces (7) and the vertical surfaces (5) on the collision surface (6), the vertical height of the vertical plates (5) on one side of the collision surface (6) in the transverse direction of the plate folding cross beam (1) is smaller than that of the concave surfaces (7) on one side of the back surface (8), the vertical plate (5) in the folded plate cross beam (1) is vertical to the road surface (12), a transverse plate (4) in the folded plate cross beam (1) is horizontally arranged in parallel with the road surface (12) or arranged at an oblique angle, every two sections of the folded plate cross beam (1) are longitudinally spliced through two ends in an overlapping way, one end of the folded plate cross beam (1) in the longitudinal direction is provided with an inner lapping head (10), the other end of the folded plate cross beam (1) is provided with an outer buckling head (11), the section of the inner lap (10) is smaller than that of the outer buckle (11) at the other end, the sections of the larger outer buckles (11) are externally buckled at the outer sides of the sections of the smaller inner laps (10) and are spliced by bolts, the connection mode between the folded plate cross beam (1) and the upright post (3) comprises the steps of directly assembling through bolts, the folded plate cross beam (1) is arranged in double rows in the vertical direction of the upright post (3), and bolt holes (9) formed in vertical plates (5) on the concave surface (7) are used for penetrating bolts to be connected with the upright post (3) in an anchoring mode.

2. An impact barrier structure using a folded plate beam as claimed in claim 1, wherein: all the opening positions of the concave surfaces (7) on the folded plate cross beam (1) or the vertical plates (5) are adopted for sealing treatment, at the moment, the concave surfaces (7) and the vertical plates (5) form a tubular shape with two open ends, and the interior space of the tube can be filled with buffering energy-absorbing materials.

3. An impact barrier structure using a folded plate beam as claimed in claim 1, wherein: the connection mode between folded plate crossbeam (1) and stand (3) is still including setting up and preventing block (2), bolt hole on riser (5) of concave surface (7) with prevent block (2) and pass through bolted connection, prevent block (2) and be polygon hollow frame structure, prevent block (2) another side and stand (3) bolted connection again.

4. A crash barrier structure using a folded plate beam as set forth in claim 2, wherein: the folded plate cross beam (1) and the upright post (3) are made of carbon steel, alloy steel or a combination of the carbon steel and the alloy steel, and the buffering and energy-absorbing material comprises foamed aluminum, foamed concrete, rubber or a high polymer compound.

5. A crash barrier structure using a folded plate beam as set forth in claim 3, wherein: the cross sectional shape of the upright post (3) is circular, rectangular, I-shaped or channel steel, the cross sectional shape of the anti-blocking block (2) is rectangular, quadrilateral or hexagonal, when the circular upright post (3) is connected with the anti-blocking block (2), the plate shape on one side, which is attached to the anti-blocking block (2), is a matched arc, and when the square upright post (3) is connected with the anti-blocking block (2), the plate shape on one side, which is attached to the anti-blocking block (2), is a matched flat plate shape.

6. An impact barrier structure using a folded plate beam as claimed in claim 1, wherein: the pavement (12) comprises a soil foundation and a bridge, the upright posts (3) are anchored with the soil foundation through a pile driving foundation or a concrete foundation, and the upright posts (3) are anchored with the bridge through a flange mode or a pre-embedded sleeve mode.