Highway guardrail

Abstract

The highway guardrail comprises a first protection plate and a second protection plate, the middle of the second protection plate is bent to form a protruding area, and the protruding area is matched with the second protection plate to form a cavity. The triangular-prism-shaped box body is filled with the buffering material blocks, after the first protection plate and the second protection plate are subjected to impact deformation, the buffering material blocks and the triangular-prism-shaped box body can further absorb kinetic energy through deformation, and therefore the buffering effect is improved.

Description

Technical Field

[0001] The utility model relates to a guardrail, more precisely a highway guardrail. Background Art

[0002] Existing highway guardrails are generally made of bent steel plates, and their energy absorption effect is relatively limited. The middle part of the existing highway guardrail steel plate is bent to form a convex area for energy absorption, but the cavity formed by the convex area is empty and cannot further absorb kinetic energy. Summary of the Invention

[0003] The purpose of the utility model is to provide a highway guardrail, which can be combined with a first protective plate, a second protective plate, a triangular prism box, a buffer material block, etc., and the cavity naturally formed in the raised area is filled with the buffer material block. After the first protective plate and the second protective plate are deformed by impact, the buffer material block and the triangular prism box can further absorb kinetic energy through deformation, thereby improving the buffering effect.

[0004] In order to achieve the above-mentioned purpose, the present invention is realized through the following technical solutions:

[0005] A highway guardrail consists of a first guard plate and a second guard plate. The middle of the second guard plate is bent to form a raised area. This raised area and the second guard plate form a cavity. A triangular prism-shaped box is placed inside the cavity, which is filled with cushioning material blocks. A column is installed on one side of the first guard plate. Existing highway guardrails are generally made of bent steel plates, which have relatively limited energy absorption capabilities. As shown in the figure, the middle of the existing highway guardrail steel plate is bent to form a raised area for energy absorption, but the cavity formed by the raised area is empty and cannot absorb further kinetic energy.

[0006] In order to further achieve the purpose of the present invention, the following technical solution can also be adopted: a bending area is set between the first protective plate and the second protective plate.

[0007] The cavity formed by the raised area and the second protective plate is a triangular prism structure. One side of the triangular prism box is in contact with the second protective plate, and the other two sides of the triangular prism box are in contact with the raised area.

[0008] The middle part of the second U-shaped rod is connected to the top pressure plate, and a screw hole is opened in the middle part of the top pressure plate. The top pressure plate is threadedly connected to the second bolt through the screw hole. One end of the second bolt can cooperate with the middle part of the first protective plate, and the middle part of the first protective plate forms a protruding area.

[0009] The buffer material block is made of non-Newtonian fluid material.

[0010] The buffer material blocks are made of sand.

[0011] The first protective plate and the second protective plate are both provided with through holes, a first bolt is installed inside the through hole, and a screw rod of the first bolt passes through the through hole and is threadedly connected to a first nut.

[0012] A highway guardrail includes a guardrail device and a combination locking fixture. The guardrail device includes a guardrail rod, each end of the guardrail rod is connected to a longitudinal rod, a blocking net is installed between the two longitudinal rods, and a combination locking fixture is installed at the lower end of each guardrail rod. The combination locking fixture includes a fixed plate and a rotating rod. The middle of the fixed plate is connected to the longitudinal rod, and a fixing nut is connected to both sides of the fixed plate. The fixing nut is threadedly connected to a positioning bolt. The lower end of the longitudinal rod is hinged to the upper end of the rotating rod, and the lower end of the rotating rod is connected to the rotating plate. The middle of the rotating plate cooperates with the rotating rod. The screw rod of the positioning bolt can cooperate with the rotating plate, and a plurality of anchor holes are provided on the rotating plate.

[0013] The side parts of the longitudinal bars at both ends of the guardrail are connected to a protruding bar, a first U-shaped bar is installed between the two protruding bars, and the two ends of the first U-shaped bar are respectively connected to a protruding bar. The blocking net is located between the area surrounded by the guardrail bar, two longitudinal bars, two protruding bars, and a first U-shaped bar, and the side of the blocking net is connected to the guardrail bar, two longitudinal bars, two protruding bars, and a first U-shaped bar.

[0014] A through hole is provided in the middle of the fixing plate, and the longitudinal rod is plugged into the through hole of the fixing plate and then welded.

[0015] Two fastening nuts are threadedly connected on the positioning bolt, and the two fastening nuts are located on both sides of the fixing nut.

[0016] Anchor bolts are installed inside the anchor holes.

[0017] One side of the longitudinal rod is connected to the combined filling plate.

[0018] A combined protective device is installed on one side of the guardrail rod, and the combined protective device includes two fastening tubes. The two fastening tubes are connected to one side of the guardrail rod, and a second U-shaped rod is installed between the two fastening tubes. The two ends of the second U-shaped rod are respectively plugged into and matched with the two fastening tubes. Several screw holes are opened on the side of the fastening tube, and the fastening tube is threadedly connected to the locking bolt through the screw holes. A through hole is opened at the end of the second U-shaped rod, and the screw rod of the locking bolt can be plugged into and matched with the through hole of the second U-shaped rod. The inner side of the second U-shaped rod is connected to the protective net.

[0019] The advantages of the present invention are: the present invention combines the first protective plate, the second protective plate, the triangular prism-shaped box, the buffer material block, etc., utilizes the cavity naturally formed in the raised area to fill the buffer material block, and after the first protective plate and the second protective plate are deformed by impact, the buffer material block and the triangular prism-shaped box can further absorb kinetic energy through deformation, thereby improving the buffering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0021] Figure 1 It is a structural diagram of the utility model;

[0022] Figure 2 A schematic diagram of the structure of the utility model with an additional top pressure plate; Figure 3 A schematic diagram of the structure of the utility model with an additional column;

[0023] Figure 4 A schematic diagram of the structure of the protruding area formed in the utility model;

[0024] Labeled parts: 1 bending area 2 first protective plate 3 second protective plate 4 first nut 5 through hole 6 first bolt 7 raised area 8 triangular prism box 9 buffer material block 10 raised area 11 top pressure plate 12 second nut 13 second bolt 14 column. DETAILED DESCRIPTION

[0025] The following describes the preferred embodiments of the present invention in conjunction with the accompanying drawings.

[0026] Highway guardrails, such as Figure 1-Figure 4 As shown, it includes a first protective plate 2 and a second protective plate 3. The middle part of the second protective plate 3 is bent to form a raised area 7. The raised area 7 and the second protective plate 3 cooperate to form a cavity. A triangular prism-shaped box body 8 is arranged in the cavity. The interior of the triangular prism-shaped box body 8 is filled with a buffer material block 9. A column 14 is installed on one side of the first protective plate 2.

[0027] The utility model combines the first protective plate 2, the second protective plate 3, the triangular prism-shaped box body 8, the buffer material block 9, etc., utilizes the cavity naturally formed in the raised area 7 to fill the buffer material block 9, and after the first protective plate 2 and the second protective plate 3 are deformed by impact, the buffer material block 9 and the triangular prism-shaped box body 8 can further absorb kinetic energy through deformation, thereby improving the buffering effect.

[0028] Specific implementation material selection and feasibility analysis: Our actual prototypes were constructed using the accompanying drawings in the specification as drawings, following the proportions and coordination of the components in the drawings. Common connection methods, such as strong adhesives, welding, riveting, flanges, and integrated molding, were used. In actual production, the connection method, thickness, and strength of the connection points can be selected based on actual strength requirements without any creative effort. This utility model can be installed on sections of highways prone to accidents.

[0029] Example 2:

[0030] Highway guardrails, such as Figure 1-Figure 4 As shown, it includes a first protective plate 2 and a second protective plate 3. The middle part of the second protective plate 3 is bent to form a raised area 7. The raised area 7 and the second protective plate 3 form a cavity. A triangular prism-shaped box 8 is set in the cavity. The interior of the triangular prism-shaped box 8 is filled with a buffer material block 9. A column 14 is installed on one side of the first protective plate 2. A bending area 1 is set between the first protective plate 2 and the second protective plate 3.

[0031] The first protective plate 2 and the second protective plate 3 of the present invention are made of a piece of steel plate, which is bent to form the first protective plate 2 and the second protective plate 3 , and a bending area 1 is formed between the first protective plate 2 and the second protective plate 3 .

[0032] Example 3:

[0033] Highway guardrails, such as Figure 1-Figure 4 As shown, it includes a first protective plate 2 and a second protective plate 3. The middle portion of the second protective plate 3 is bent to form a raised area 7. The raised area 7 and the second protective plate 3 form a cavity. A triangular prism-shaped box 8 is disposed within the cavity. The interior of the triangular prism-shaped box 8 is filled with a cushioning material block 9. A column 14 is installed on one side of the first protective plate 2. The cavity formed by the raised area 7 and the second protective plate 3 is a triangular prism-shaped structure. One side of the triangular prism-shaped box 8 is in contact with the second protective plate 3, and the other two sides of the triangular prism-shaped box 8 are in contact with the raised area 7.

[0034] The cavity formed by the raised area 7 and the second protective plate 3 of the present invention is a triangular prism structure, and the triangular prism box 8 fits the inner wall of the cavity, which can improve the buffering effect of impact kinetic energy.

[0035] Example 4:

[0036] Highway guardrails, such as Figure 1-Figure 4 As shown, it includes a first protective plate 2 and a second protective plate 3. The middle portion of the second protective plate 3 is bent to form a raised area 7. The raised area 7 and the second protective plate 3 form a cavity. A triangular prism-shaped box 8 is disposed within the cavity. The interior of the triangular prism-shaped box 8 is filled with a cushioning material block 9. A column 14 is mounted on one side of the first protective plate 2. The middle portion of the second U-shaped rod 14 is connected to a top pressure plate 11. A screw hole is provided in the middle portion of the top pressure plate 11. The top pressure plate 11 is threadedly connected to a second bolt 13 through the screw hole. One end of the second bolt 13 can engage with the middle portion of the first protective plate 2, forming a raised area 10 in the middle portion of the first protective plate 2.

[0037] The second bolt 13 of the present invention presses the center of the protruding area 10 toward the road, forming a protruding area 10. This provides further cushioning when the first and second protective plates 2 and 3 are impacted, enhancing impact protection. When the first and second protective plates 2 and 3 are impacted, the second bolt 13 causes the protruding portions of the first and second protective plates 2 and 3 to deform slightly, thereby absorbing some of the kinetic energy.

[0038] Example 5:

[0039] Highway guardrails, such as Figure 1-Figure 4 As shown, it includes a first protective plate 2 and a second protective plate 3. The middle portion of the second protective plate 3 is bent to form a raised area 7. The raised area 7 and the second protective plate 3 form a cavity. A triangular prism-shaped box 8 is disposed in the cavity. The interior of the triangular prism-shaped box 8 is filled with a buffer material block 9. A column 14 is installed on one side of the first protective plate 2. The buffer material block 9 is made of a non-Newtonian fluid material.

[0040] The buffer material block 9 of the present invention is made of non-Newtonian fluid material, which can solidify when impacted, thereby absorbing the impact kinetic energy.

[0041] Example 6:

[0042] Highway guardrails, such as Figure 1-Figure 4 As shown, it includes a first protective plate 2 and a second protective plate 3. The middle portion of the second protective plate 3 is bent to form a raised area 7. The raised area 7 and the second protective plate 3 form a cavity. A triangular prism-shaped box 8 is disposed in the cavity. The interior of the triangular prism-shaped box 8 is filled with a buffer material block 9. A column 14 is installed on one side of the first protective plate 2. The buffer material block 9 is made of sand.

[0043] The buffer material block 9 of the present invention is made of sand, which can flow when impacted, thereby absorbing the impact kinetic energy.

[0044] Example 7:

[0045] Highway guardrails, such as Figure 1-Figure 4 As shown, it includes a first protective plate 2 and a second protective plate 3. The middle portion of the second protective plate 3 is bent to form a raised area 7. The raised area 7 cooperates with the second protective plate 3 to form a cavity. A triangular prism-shaped box 8 is disposed in the cavity. The interior of the triangular prism-shaped box 8 is filled with a buffer material block 9. A column 14 is installed on one side of the first protective plate 2. Through holes 5 are provided in both the first protective plate 2 and the second protective plate 3. A first bolt 6 is installed in the through hole 5. The screw rod of the first bolt 6 passes through the through hole 5 and is then threadedly connected to the first nut 4.

[0046] The first bolt 6 and the through hole 5 of the present invention can fix the fitting parts of the first protective plate 2 and the second protective plate 3, so that the first protective plate 2 and the second protective plate 3 cooperate to clamp the triangular prism box 8, thereby further improving the kinetic energy absorption effect of the device.

[0047] A highway guardrail includes a guardrail device and a combination locking fixture. The guardrail device includes a guardrail rod, each end of the guardrail rod is connected to a longitudinal rod, a blocking net is installed between the two longitudinal rods, and a combination locking fixture is installed at the lower end of each guardrail rod. The combination locking fixture includes a fixed plate and a rotating rod. The middle of the fixed plate is connected to the longitudinal rod, and a fixing nut is connected to both sides of the fixed plate. The fixing nut is threadedly connected to a positioning bolt. The lower end of the longitudinal rod is hinged to the upper end of the rotating rod, and the lower end of the rotating rod is connected to the rotating plate. The middle of the rotating plate cooperates with the rotating rod. The screw rod of the positioning bolt can cooperate with the rotating plate, and a plurality of anchor holes are provided on the rotating plate.

[0048] The side parts of the longitudinal bars at both ends of the guardrail are connected to a protruding bar, a first U-shaped bar is installed between the two protruding bars, and the two ends of the first U-shaped bar are respectively connected to a protruding bar. The blocking net is located between the area surrounded by the guardrail bar, two longitudinal bars, two protruding bars, and a first U-shaped bar, and the side of the blocking net is connected to the guardrail bar, two longitudinal bars, two protruding bars, and a first U-shaped bar.

[0049] A through hole is provided in the middle of the fixing plate, and the longitudinal rod is plugged into the through hole of the fixing plate and then welded.

[0050] Two fastening nuts are threadedly connected on the positioning bolt, and the two fastening nuts are located on both sides of the fixing nut.

[0051] Anchor bolts are installed inside the anchor holes.

[0052] One side of the longitudinal rod is connected to the combined filling plate.

[0053] A combined protective device is installed on one side of the guardrail rod, and the combined protective device includes two fastening tubes. The two fastening tubes are connected to one side of the guardrail rod, and a second U-shaped rod is installed between the two fastening tubes. The two ends of the second U-shaped rod are respectively plugged into and matched with the two fastening tubes. Several screw holes are opened on the side of the fastening tube, and the fastening tube is threadedly connected to the locking bolt through the screw holes. A through hole is opened at the end of the second U-shaped rod, and the screw rod of the locking bolt can be plugged into and matched with the through hole of the second U-shaped rod. The inner side of the second U-shaped rod is connected to the protective net.

[0054] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention.

Claims

1. Highway guardrail, characterized by: The invention comprises a guardrail device and a combination locking fixture, wherein the guardrail device comprises a guardrail rod (1), both ends of the guardrail rod (1) are connected to a longitudinal rod (2), a blocking net (3) is installed between the two longitudinal rods (2), and a combination locking fixture is installed at the lower end of each of the two guardrail rods (1), wherein the combination locking fixture comprises a fixing plate (8) and a rotating rod (10), wherein the middle portion of the fixing plate (8) is connected to the longitudinal rod (2), and both sides of the fixing plate (8) are connected to a fixing nut (9), and the fixing nut (9) is threadedly connected to a positioning bolt (6), wherein the lower end of the longitudinal rod (2) is hinged to the upper end of the rotating rod (10), and the lower end of the rotating rod (10) is connected to a rotating plate (13), wherein the middle portion of the rotating plate (13) cooperates with the rotating rod (10), and the screw rod of the positioning bolt (6) can cooperate with the rotating plate (13), and a plurality of anchor holes (11) are provided on the rotating plate (13).

2. The highway guardrail according to claim 1, characterized in that: The side portions of the longitudinal bars (2) at both ends of the guardrail bar (1) are connected to a protruding bar (5), a first U-shaped bar (4) is installed between the two protruding bars (5), and both ends of the first U-shaped bar (4) are connected to a protruding bar (5), the blocking net (3) is located between the area surrounded by the guardrail bar (1), the two longitudinal bars (2), the two protruding bars (5), and the first U-shaped bar (4), and the side periphery of the blocking net (3) is connected to the guardrail bar (1), the two longitudinal bars (2), the two protruding bars (5), and the first U-shaped bar (4).

3. The highway guardrail according to claim 1, characterized in that: A through hole is provided in the middle of the fixing plate (8), and the longitudinal rod (2) is plugged into the through hole of the fixing plate (8) and then welded.

4. The highway guardrail according to claim 1, characterized in that: The positioning bolt (6) is threadedly connected to two fastening nuts (7), and the two fastening nuts (7) are located on both sides of the fixing nut (9).

5. The highway guardrail according to claim 1, characterized in that: An anchor bolt (12) is installed inside the anchor hole (11).

6. The highway guardrail according to claim 1, characterized in that: One side of the longitudinal rod (2) is connected to a combined filling plate (18).

7. The highway guardrail according to claim 1, characterized in that: A combined protective device is installed on one side of the guardrail rod (1), and the combined protective device includes two fastening tubes (16). One side of the guardrail rod (1) is connected to the two fastening tubes (16), and a second U-shaped rod (14) is installed between the two fastening tubes (16). The two ends of the second U-shaped rod (14) are respectively plugged into and matched with the two fastening tubes (16). Several screw holes are opened on the side of the fastening tube (16), and the fastening tube (16) is threadedly connected to the locking bolt (17) through the screw holes. A through hole is opened at the end of the second U-shaped rod (14), and the screw rod of the locking bolt (17) can be plugged into and matched with the through hole of the second U-shaped rod (14). The inner side of the second U-shaped rod (14) is connected to the protective net (15).

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