Road high-strength steel lightweight anti-collision guardrail and construction method thereof

Abstract

The invention belongs to the technical field of traffic facilities, particularly relates to a road high-strength steel light-weight anti-collision guardrail and a construction method thereof, and provides the following scheme aiming at the problems that in the prior art, when collision occurs, the buffering capacity is weak, and stand columns are prone to deformation and bending after being stressed and are inconvenient to replace singly. The device comprises a plurality of bases arranged on the ground, stand columns are detachably arranged on the tops of the bases, first guardrails are fixedly arranged on one sides of the stand columns, and second guardrails are connected between every two adjacent first guardrails through two dampers and used for buffering collision. According to the guardrail, the lightweight design is achieved by adopting a high-strength steel material, meanwhile, the anti-collision performance and the buffering capacity of the guardrail are effectively enhanced by utilizing the design of the damper, the movably-connected fourth guardrail and the connecting frame, in addition, the conductive design in the fixing mechanism enables a lamp strip to be automatically lightened after collision, the intelligent warning function is provided, and the practicability is high. And the road safety is further improved.

Description

Technical Field

[0001] The present invention relates to the technical field of traffic facilities, and in particular to a road high-strength steel lightweight anti-collision guardrail and a construction method thereof. Background Art

[0002] In the process of road construction, in addition to controlling the quality of the road itself, road safety is also of vital importance. Guardrails are usually used on the side of the road, especially where there is a height difference between the side and the ground, to improve road safety and reduce the chance of vehicles rolling off the road.

[0003] After searching, the application with the publication number CN214497303U discloses a road anti-collision guardrail. However, the guardrail is fixedly connected to the column by bolts, and the buffering capacity is weak when a collision occurs, and the column is easily deformed and bent after being stressed, which is not convenient for individual replacement. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art that when a collision occurs, the buffering capacity is weak, and the columns are easily deformed and bent after being subjected to force, making it inconvenient to replace them individually, and to propose a lightweight anti-collision guardrail made of high-strength steel for roads and a construction method thereof.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A road high-strength steel lightweight anti-collision guardrail, comprising a plurality of bases arranged on the ground, a column is detachably provided on the top of the base, a first guardrail is fixedly provided on one side of the column, and a second guardrail is connected between two adjacent first guardrails through two groups of dampers for collision buffering;

[0007] A plurality of third guardrails, wherein the plurality of third guardrails are respectively fixed on corresponding upright posts, a fourth guardrail is movably connected between two adjacent third guardrails, and a connecting frame is connected between the fourth guardrail and the corresponding first guardrail, so as to drive the fourth guardrail to approach the second guardrail after a collision, so as to increase the protection area of ​​the second guardrail;

[0008] A plurality of light strips, each of which is fixed on one side of the first guardrail and emits a red light to warn passing vehicles after a collision;

[0009] The fixing mechanism is arranged in the base, and is used for fixing the connection to the column and for connecting the light strip to the municipal power.

[0010] In one possible design, the fixing mechanism includes a mounting seat fixed in the base, a ball groove is provided at the top of the mounting seat, a ball head is provided in the ball groove, the column is fixed at the top of the ball head, two limiting rings are provided on the top of the mounting seat, both of the limiting rings are in contact with the ball head, a plurality of second bolts are passed through the top of the limiting ring, and the bottom ends of the second bolts are connected to the mounting seat.

[0011] In one possible design, a conductive plate in contact with the ball head is embedded in the ball groove, a glass tube is threaded on the bottom of the ball head, a conductive column is fixed in the glass tube, and sockets for connecting to the glass tube are provided on the top of the conductive plate and the mounting seat to limit the position of the column.

[0012] In a possible design, the conductive column is connected to the live wire of the light strip, the neutral wire of the light strip is connected to the municipal neutral wire, and the conductive column is connected to the municipal live wire. After the column is hit, the conductive plate contacts the conductive column.

[0013] In a possible design, two groups of first fixing seats are fixedly provided on one side of the first guardrail, one end of the damper is rotatably provided in the first fixing seat, and the other end of the damper is rotatably provided with an insert block, two groups of guide rails are fixedly provided on one side of the second guardrail, and the insert block is slidably provided on the corresponding guide rails, two groups of second fixing seats are fixedly provided on one side of the second guardrail, a screw rod is rotatably provided through one side of the second fixing seat, the insert block is threadedly sleeved on the corresponding screw rod, and a hexagonal block is provided at one end of the screw rod.

[0014] In a possible design, a first bolt is penetrated through one side of the second guardrail, and one end of the first bolt passes through the guide rail and the screw rod in sequence and is threadedly connected to the insert block to fix the insert block and the screw rod.

[0015] In a possible design, both ends of the third guardrail are fixed with a fixing frame, a guide rod is fixed inside the fixing frame, a sliding block is provided on the outer wall sliding sleeve of the guide rod, and both ends of the fourth guardrail are fixedly connected to the corresponding sliding blocks respectively.

[0016] In a possible design, the connecting frame includes two connecting rods, and a plurality of adjustment rods are rotatably provided between the two connecting rods. The two connecting rods are respectively fixedly connected to the corresponding second guardrail and fourth guardrail on one side close to each other, so as to support the fourth guardrail.

[0017] A construction method for a road high-strength steel lightweight anti-collision guardrail comprises the following steps:

[0018] S1. First, install the column in the mounting seat, and then install the first guardrail and the third guardrail on one side of the column;

[0019] S2, then connect the second guardrail between two adjacent first guardrails, and install the fourth guardrail between two adjacent third guardrails;

[0020] S3. Install the light strip on one side of the second guardrail, connect the neutral line of the light strip to the municipal neutral line, connect the live line to the conductive column, and connect the conductive plate to the municipal live line;

[0021] S4. Finally, install the connecting frame between the corresponding second guardrail and fourth guardrail.

[0022] Beneficial effects: In the present invention, the road high-strength steel lightweight anti-collision guardrail, the adjacent first guardrails are connected to the second guardrails through a damper, which can effectively absorb and disperse the impact force during a collision and reduce the damage to the guardrails and vehicles. In addition, the fourth guardrail can move closer to the second guardrail after a collision, further expanding the anti-collision area and improving the overall anti-collision effect;

[0023] In the present invention, the road high-strength steel lightweight anti-collision guardrail, the fixing mechanism in the base adopts the design of ball groove and ball head matching, which not only realizes the stable connection of the column, but also allows the column to rotate within a certain range to adapt to different collision angles. At the same time, the design of the conductive plate and the conductive column enables the light strip to be easily connected to the municipal power to realize the intelligent warning function. The light strip arranged on the first guardrail can automatically light up the red light after a collision occurs to warn passing vehicles, thereby improving road safety and reducing the occurrence of secondary accidents.

[0024] In the present invention, the road high-strength steel lightweight anti-collision guardrail adopts a detachable and adjustable connection method between the various components of the guardrail, making the installation and maintenance process more convenient. In addition, the design of components such as dampers, plugs, and screws is also convenient for replacement and maintenance;

[0025] In the present invention, a lightweight design is achieved by adopting high-strength steel materials, and a damper, a movable fourth guardrail and a connecting frame design are utilized to effectively enhance the anti-collision performance and buffering capacity of the guardrail. In addition, the conductive design in the fixing mechanism enables the light strip to automatically light up after a collision, providing an intelligent warning function and further improving road safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A schematic diagram of the three-dimensional structure of a road high-strength steel lightweight anti-collision guardrail proposed by the present invention;

[0027] Figure 2 A schematic diagram of the connection structure between the first guardrail and the second guardrail of a road high-strength steel lightweight anti-collision guardrail proposed by the present invention;

[0028] Figure 3This is a schematic diagram of the first bolt and plug structure of a road high-strength steel lightweight anti-collision guardrail proposed by the present invention;

[0029] Figure 4 A schematic diagram of the connection structure between the third guardrail and the fourth guardrail of a road high-strength steel lightweight anti-collision guardrail proposed by the present invention;

[0030] Figure 5 This is a schematic cross-sectional structure diagram of a column and a base of a road high-strength steel lightweight anti-collision guardrail proposed by the present invention;

[0031] Figure 6 This is a schematic diagram of the connecting frame structure of a road high-strength steel lightweight anti-collision guardrail proposed by the present invention;

[0032] Figure 7 This is a schematic diagram of the screw structure of a road high-strength steel lightweight anti-collision guardrail proposed by the present invention.

[0033] In the figure: 1. base; 2. column; 3. first guardrail; 4. second guardrail; 5. third guardrail; 6. fourth guardrail; 7. connecting frame; 8. first fixed seat; 9. guide rail; 10. plug block; 11. second fixed seat; 12. screw; 13. damper; 14. first bolt; 15. light strip; 16. fixed frame; 17. guide rod; 18. sliding block; 19. mounting seat; 20. ball groove; 21. limit ring; 22. second bolt; 23. ball head; 24. conductive plate; 25. glass tube; 26. conductive column; 27. jack; 28. connecting rod; 29. ​​adjusting rod; 30. hexagonal block. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0035] Example 1: Reference Figure 1-Figure 7 A road high-strength steel lightweight anti-collision guardrail, which is used in the field of traffic facilities, includes: a plurality of bases 1 arranged on the ground. The top of the base 1 is designed with a detachable structure for installing a column 2. A first guardrail 3 is fixedly provided on one side of the column 2, and these first guardrails 3 are arranged along the extension direction of the road. Two adjacent first guardrails 3 are connected to a second guardrail 4 through two groups of dampers 13. The function of the damper 13 is to provide buffering in the event of a collision and reduce the damage to the guardrail and the vehicle caused by the impact force.

[0036] In addition, a plurality of third guardrails 5 are provided, which are respectively fixed on the corresponding upright posts 2. A fourth guardrail 6 is provided between two adjacent third guardrails 5 by means of a movable connection. This movable connection allows the fourth guardrail 6 to move closer to the second guardrail 4 after a collision, thereby increasing the effective protection area of ​​the second guardrail 4 and improving the anti-collision performance of the guardrail.

[0037] In order to achieve this function, a connecting frame 7 is connected between the fourth guardrail 6 and the corresponding first guardrail 3. The design of the connecting frame 7 enables it to drive the fourth guardrail 6 to move toward the second guardrail 4 when a collision occurs, further increasing the protection effect.

[0038] In order to provide a warning effect at night or under poor visibility conditions, a plurality of light strips 15 are also fixedly arranged on one side of the first guardrail 3. These light strips 15 can light up red lights after a collision to warn passing vehicles and remind drivers to pay attention to the situation ahead.

[0039] Next, a fixing mechanism is provided in the base 1, which is used to fix the column 2 and simultaneously realize the connection between the light strip 15 and the municipal power. Specifically, the fixing mechanism includes a mounting seat 19 fixed in the base 1, and a ball groove 20 is provided on the top of the mounting seat 19. A ball head 23 is provided in the ball groove 20, and the column 2 is fixed on the top of the ball head 23. Such a design allows the column 2 to rotate within a certain range to adapt to different collision angles.

[0040] In order to limit the movement of the ball head 23 in normal use, two limiting rings 21 are further provided on the top of the mounting seat 19, both of which are in contact with the ball head 23. A plurality of second bolts 22 are provided through the top of the limiting ring 21, and the bottom ends of the second bolts 22 are connected to the mounting seat 19, thereby fixing the limiting ring 21 and the ball head 23 in position.

[0041] In order to realize the power connection, a conductive plate 24 in contact with the ball head 23 is embedded in the ball groove 20. A glass cylinder 25 is threadedly provided at the bottom of the ball head 23, and a conductive column 26 is fixed in the glass cylinder 25. The conductive plate 24 and the top of the mounting seat 19 are both provided with a socket 27 plugged into the glass cylinder 25. This design not only limits the position of the column 2, but also ensures that the conductive column 26 and the conductive plate 24 can reliably contact when the column 2 is hit.

[0042] The conductive column 26 is connected to the live wire of the light strip 15, and the neutral wire of the light strip 15 is connected to the municipal neutral wire. The conductive column 26 is also electrically connected to the municipal power supply. Therefore, after the column 2 is hit, the conductive plate 24 contacts the conductive column 26, thereby activating the light strip 15 and emitting a warning light.

[0043] The connection method between the damper 13 and the second guardrail 4 is specifically implemented as follows: two sets of first fixing seats 8 are fixedly provided on one side of the first guardrail 3, and one end of the damper 13 is rotatably provided in the first fixing seat 8. An insert block 10 is rotatably provided on the other end of the damper 13. Two sets of guide rails 9 are fixedly provided on one side of the second guardrail 4, and the insert block 10 is slidably provided on the corresponding guide rails 9. This design enables the second guardrail 4 to move in a buffering manner under the action of the damper 13.

[0044] In order to further fix the position of the insert block 10, two sets of second fixing seats 11 are fixedly provided on one side of the second guardrail 4. A screw rod 12 is rotatably provided on one side of the second fixing seat 11, and the insert block 10 is threadedly sleeved on the corresponding screw rod 12. A hexagonal block 30 is provided at one end of the screw rod 12 to facilitate tightening or loosening operations using tools.

[0045] In order to increase the reliability of fixation, a first bolt 14 is also provided through one side of the second guardrail 4. One end of the first bolt 14 passes through the guide rail 9 and the screw rod 12 in sequence, and is threadedly connected with the insert block 10. This design can ensure that the insert block 10 and the screw rod 12 will not loosen or fall off during a collision.

[0046] Example 2: Reference Figure 1-Figure 7 , based on the improvement of embodiment 1: Regarding the movable connection mode between the fourth guardrail 6 and the third guardrail 5, it includes a fixing frame 16 fixedly arranged at both ends of the third guardrail 5. A guide rod 17 is fixedly arranged in the fixing frame 16, and a sliding block 18 is slidingly sleeved on the outer wall of the guide rod 17. The two ends of the fourth guardrail 6 are fixedly connected to the corresponding sliding blocks 18 respectively. This design enables the fourth guardrail 6 to slide along the guide rod 17 after a collision and approach the second guardrail 4.

[0047] Finally, the specific structure of the connecting frame 7 includes two connecting rods 28, and a plurality of adjusting rods 29 are rotatably arranged between the two connecting rods 28. The two connecting rods 28 are respectively fixedly connected to the corresponding second guardrail 4 and the fourth guardrail 6 on the side close to each other. Such a design enables the connecting frame 7 to provide support for the fourth guardrail 6 in the event of a collision, ensuring that it can stably move toward the second guardrail 4 and increase the protection area.

[0048] In this embodiment, first, the ball head 23 at the bottom of the column 2 is placed in the mounting seat 19, the glass tube 25 is inserted into the corresponding insertion hole 27, and then the two limit rings 21 are placed on the mounting seat 19 and fixed by the second bolts 22, so that the ball head 23 can be fixed in the mounting seat 19, and then the first guardrail 3 and the third guardrail 5 are fixed on one side of the column 2 by screws;

[0049] Secondly, the second guardrail 4 is connected between two adjacent first guardrails 3. During installation, one end of the screw rod 12 is first connected to the first fixing seat 8, and then the plug block 10 is connected to the other end of the screw rod 12. Then, the plug block 10 is inserted into the guide rail 9 on the second guardrail 4 until the plug block 10 corresponds to the screw rod 12. At this time, the screw rod 12 is driven to rotate by rotating the hexagonal block 30 with a wrench. The rotation of the screw rod 12 can drive the plug block 10 to approach the second fixing seat 11, and the two ends of the second guardrail 4 are connected in turn.

[0050] At the same time, the fourth guardrail 6 is installed between two adjacent third guardrails 5. During installation, the sliding block 18 is pushed to move to one end of the fourth guardrail 6, and then the sliding block 18 is fixedly connected to the fourth guardrail 6;

[0051] Then install the light strip 15 on one side of the second guardrail 4, connect the neutral line of the light strip 15 to the municipal neutral line, connect the live line to the conductive column 26, and connect the conductive plate 24 to the municipal live line;

[0052] Finally, the guide rod 17 is installed between the second guardrail 4 and the fourth guardrail 6. During installation, the adjustment rod 29 is first installed between the two connecting rods 28, and then the two connecting rods 28 are respectively installed on the second guardrail 4 and the fourth guardrail 6 corresponding to the upper and lower sides;

[0053] When a vehicle collides with the device, the second guardrail 4 is first pushed to move. During the movement of the second guardrail 4, the damper 13 can be stretched. When the damper 13 is fully stretched, the first guardrail 3 can be used to drive the column 2 to swing. During the swinging of the column 2, the conductive plate 24 can be used to break the glass cylinder 25 and the conductive column 26. The broken conductive column 26 will contact the conductive plate 24, and the light strip 15 can be energized. After being energized, the light strip 15 will emit red light to remind passing vehicles.

[0054] At the same time, during the movement of the second guardrail 4 , the upper fourth guardrail 6 can be driven to move downward by the adjusting rod 29 , thereby increasing the protection area of ​​the second guardrail 4 .

[0055] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A road high-strength steel lightweight anti-collision guardrail, characterized in that: The invention comprises a plurality of bases (1) arranged on the ground, wherein a column (2) is detachably provided on the top of the base (1), a first guardrail (3) is fixedly provided on one side of the column (2), and a second guardrail (4) is connected between two adjacent first guardrails (3) via two groups of dampers (13) for collision buffering; A plurality of third guardrails (5), wherein the plurality of third guardrails (5) are respectively fixedly arranged on corresponding upright posts (2), a fourth guardrail (6) is movably connected between two adjacent third guardrails (5), a connecting frame (7) is connected between the fourth guardrail (6) and the corresponding first guardrail (3), and after a collision, the fourth guardrail (6) is driven to approach the second guardrail (4), so as to increase the protection area of ​​the second guardrail (4); A plurality of light strips (15), wherein the plurality of light strips (15) are respectively fixed on one side of the first guardrail (3) and emit red lights to warn passing vehicles after a collision occurs; The fixing mechanism is arranged in the base (1) and is used for fixing the connection with the column (2) and for connecting the light strip (15) to the municipal power.

2. A road high-strength steel lightweight anti-collision guardrail according to claim 1, characterized in that: The fixing mechanism comprises a mounting seat (19) fixedly arranged in the base (1), a ball groove (20) being provided at the top of the mounting seat (19), a ball head (23) being provided in the ball groove (20), the column (2) being fixedly arranged at the top of the ball head (23), two limiting rings (21) being provided at the top of the mounting seat (19), both limiting rings (21) being in contact with the ball head (23), a plurality of second bolts (22) being passed through the top of the limiting ring (21), the bottom ends of the second bolts (22) being connected to the mounting seat (19).

3. A road high-strength steel lightweight anti-collision guardrail according to claim 2, characterized in that: The ball groove (20) is embedded with a conductive plate (24) in contact with the ball head (23); the bottom of the ball head (23) is threadedly provided with a glass cylinder (25); a conductive column (26) is fixedly provided in the glass cylinder (25); and the tops of the conductive plate (24) and the mounting seat (19) are both provided with a socket (27) plugged into the glass cylinder (25) for limiting the position of the column (2).

4. A road high-strength steel lightweight anti-collision guardrail according to claim 3, characterized in that: The conductive column (26) is connected to the live wire of the light strip (15), the neutral wire of the light strip (15) is connected to the municipal neutral wire, and the conductive column (26) is connected to the municipal live wire. After the column (2) is hit, the conductive plate (24) contacts the conductive column (26).

5. The road high-strength steel lightweight anti-collision guardrail according to claim 1, characterized in that: Two groups of first fixing seats (8) are fixedly provided on one side of the first guardrail (3), one end of the damper (13) is rotatably arranged in the first fixing seat (8), the other end of the damper (13) is rotatably provided with an insert block (10), and two groups of guide rails (9) are fixedly provided on one side of the second guardrail (4).

6. A road high-strength steel lightweight anti-collision guardrail according to claim 5, characterized in that: The insert block (10) is slidably mounted on the corresponding guide rail (9); two sets of second fixing seats (11) are fixedly mounted on one side of the second guardrail (4); a screw rod (12) is rotatably penetrated through one side of the second fixing seat (11); the insert block (10) is threadedly sleeved on the corresponding screw rod (12); and a hexagonal block (30) is disposed at one end of the screw rod (12).

7. A road high-strength steel lightweight anti-collision guardrail according to claim 6, characterized in that: A first bolt (14) is passed through one side of the second guardrail (4), and one end of the first bolt (14) passes through the guide rail (9) and the screw rod (12) in sequence and is threadedly connected to the insert block (10) for fixing the insert block (10) and the screw rod (12).

8. The road high-strength steel lightweight anti-collision guardrail according to claim 1, characterized in that: Both ends of the third guardrail (5) are fixedly provided with a fixing frame (16), a guide rod (17) is fixedly provided inside the fixing frame (16), a sliding block (18) is slidingly sleeved on the outer wall of the guide rod (17), and both ends of the fourth guardrail (6) are fixedly connected to the corresponding sliding blocks (18) respectively.

9. The road high-strength steel lightweight anti-collision guardrail according to claim 1, characterized in that: The connecting frame (7) comprises two connecting rods (28), a plurality of adjusting rods (29) are rotatably arranged between the two connecting rods (28), and the two connecting rods (28) are respectively fixedly connected to the mutually adjacent sides of the corresponding second guardrail (4) and fourth guardrail (6), so as to support the fourth guardrail (6).

10. A method for constructing a road high-strength steel lightweight anti-collision guardrail according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1. First, install the column (2) in the mounting seat (19), and then install the first guardrail (3) and the third guardrail (5) on one side of the column (2); S2, then connect the second guardrail (4) between two adjacent first guardrails (3), and install the fourth guardrail (6) between two adjacent third guardrails (5); S3, then install the light strip (15) on one side of the second guardrail (4), connect the neutral line of the light strip (15) to the municipal neutral line, and connect the live line to the conductive column (26), and at the same time connect the conductive plate (24) to the municipal live line; S4. Finally, the connecting frame (7) is installed between the corresponding second guardrail (4) and the fourth guardrail (6).

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