Multi-stage energy-absorbing road anti-collision guardrail

Abstract

The utility model relates to a multi-stage energy absorption road anti-collision guardrail which comprises a guardrail assembly, two sets of symmetrically-arranged stand columns are arranged in the guardrail assembly, and two sets of connecting cross rods are installed between the two sets of stand columns. Compared with the prior art, the guardrail has the advantages that the guardrail assembly, the energy absorption columns, the corner warning pieces, the main warning assembly and the cleaning assembly are additionally arranged, the energy absorption columns are arranged between the left stand column and the right stand column in a rotating structure mode, an annular warning reflective strip conducts reflective warning, and the corner warning pieces are installed at the corners of the two stand columns to assist in reflective warning; the main warning assembly is installed above the stand column, a main warning reflective stripe is located at the high position for reflective warning, the cleaning assembly is driven by wind power and vehicle airflow to annularly rotate to clean the outer side face of the main warning reflective stripe, the warning effect can be improved, and multi-stage energy absorption and collision prevention can be formed by additionally arranging the guardrail assembly, the energy absorption column and the transverse rod.

Description

Technical Field

[0001] This utility model relates to the field of road crash barrier technology, specifically a multi-level energy-absorbing road crash barrier. Background Technology

[0002] Road crash barriers are crucial facilities for ensuring road traffic safety, playing a key role in various road scenarios, such as preventing vehicles from crossing boundaries, buffering collisions, and guiding drivers' routes. Their functions, classifications, structures, design requirements, and development trends are all closely related to road safety. The use of road crash barriers not only provides energy-absorbing buffering protection during impacts but also serves as a warning before collisions, thus reducing the overall accident rate. In commonly used road crash barriers, only simple reflective strips are installed on one side of the road. In practice, this may not form an effective reflective warning structure, and since road crash barriers are installed outdoors, they are exposed to dust and debris, which reduces the reflective effect of the warning strips. Therefore, road crash barriers cannot effectively serve their pre-collision warning function and cannot achieve their goal of reducing traffic accidents.

[0003] In summary, we hope to propose a new structure to solve the aforementioned technical problems. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a multi-level energy-absorbing road crash barrier to solve the problems mentioned in the background technology.

[0005] The technical solution adopted by this utility model to solve its technical problem is: a multi-level energy-absorbing road crash barrier, comprising: a barrier assembly, wherein the barrier assembly has two sets of symmetrically arranged posts, two sets of connecting crossbars are installed between the two sets of posts, and several sets of energy-absorbing posts for energy absorption and crash prevention are rotatably connected between the two sets of crossbars in a linearly equally distributed manner. Each set of posts has a main warning assembly for warning at the road edge, wherein the main warning assembly has a main warning post, and several sets of main warning reflective strips in a circumferentially equally distributed manner are provided on the outside of the main warning post. A cleaning assembly for cleaning the main warning reflective strips is provided on the outside of the main warning post. Each set of posts has a set of corner warning pieces installed at the rear corner away from the center of the barrier assembly, and the energy-absorbing posts have several sets of annular warning reflective strips in a linearly equally distributed manner.

[0006] Furthermore, a stable base is fixedly connected to the bottom of the column, a rear sliding groove is opened at the rear end of the upper surface of the column, a rear slider is provided in the corner warning component, the rear slider and the rear sliding groove are movably fitted together, a corner warning seat is fixedly connected to the rear side of the rear slider, and the corner warning component installed at the corner of the column provides auxiliary warning, and the corner warning component is a structure that is easy to disassemble and assemble and is connected to the column.

[0007] Furthermore, the upper surface of the column is provided with a connecting threaded hole, and the main warning assembly is also provided with a connecting stud. The connecting stud is threadedly connected to the connecting threaded hole, and the connecting stud is integrally fixedly connected to the main warning column.

[0008] Furthermore, a cleaning ring groove is provided on the lower surface of the main warning column, and a set of annular ball grooves are provided on the inner sides of both the inner and outer ends of the cleaning ring groove. Several sets of balls for assisting the annular rotation of the cleaning component are movably fitted inside the annular ball grooves.

[0009] Furthermore, the cleaning component includes a cleaning slider with arc-shaped grooves on both its inner and outer sides. The cleaning slider and the cleaning ring groove are movably engaged with each other, and the sphere and the arc-shaped groove are movably engaged with each other.

[0010] Furthermore, a cleaning rod is fixedly connected below the cleaning slider. The cleaning rod has cleaning bristles at one end near the main warning post. A rotating ring seat is located below the cleaning rod. Several sets of rotating fan blades for auxiliary rotation are fixedly connected to the outside of the rotating ring seat. The rotating fan blades are blown by the wind and the airflow generated by the passing vehicle, and the rotating ring seat drives the cleaning slider to rotate along the circumference of the cleaning ring groove, so that the cleaning bristles can assist in cleaning the main warning reflective strip.

[0011] Furthermore, the upper surface of the column is provided with an installation groove, and an external support frame is connected to the rear side of the column by a bolt structure. Two sets of symmetrically arranged damping shock absorbers for buffering and absorbing energy are fixedly connected to the rear side of the external support frame.

[0012] The damping shock absorber is fixedly connected to a rear cross plate, and the rear cross plate is fixedly connected to several sets of abutment seats that are linearly and equally distributed.

[0013] Furthermore, the energy-absorbing column is also provided with an energy-absorbing column body, which is made of a hollow rubber column structure. The inner side of the energy-absorbing column body is filled with sand, and the crossbar is provided with a crossbar body.

[0014] A set of mounting sliders is fixedly connected to both the left and right sides of the crossbar body. The mounting sliders and the mounting grooves are movably engaged with each other. In the event of a collision, the energy-absorbing column body provides the first step of buffering, and the sand filling the inside of the energy-absorbing column body provides the second step of buffering. The rear side of the dust-absorbing column body is contacted by the abutment seat, and the damping shock absorber on the rear side provides the third step of buffering, thereby forming a multi-level energy-absorbing anti-collision system.

[0015] The beneficial effects of this utility model are:

[0016] This utility model adds guardrail components, energy-absorbing columns, corner warning elements, a main warning component, and a cleaning component. Several sets of energy-absorbing columns are installed in a rotating structure between two sets of columns on the left and right sides, allowing the annular warning reflective strip to provide reflective warning. Corner warning elements are installed at the corners of the two sets of columns to assist in reflective warning. The main warning component is installed above the columns, positioning the main warning reflective strip at a high position for reflective warning. The rotating fan blades are driven by wind and vehicle airflow, which in turn drive the cleaning component to rotate in a ring to clean the outer surface of the main warning reflective strip. During the rotation of the cleaning component, the sphere and the arc groove form rolling friction, reducing rotational friction and thus improving the warning effect.

[0017] By adding guardrail components, energy-absorbing columns, and crossbars, the collision is first buffered by the energy-absorbing column body itself, then by the sand filling the inside of the energy-absorbing column body for the second buffering, and the rear side of the energy-absorbing column body is contacted by the abutment seat, and the rear damping shock absorber provides the third buffering, thus forming a multi-level energy-absorbing collision protection. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0019] Figure 2 This is a structural schematic diagram of the guardrail component in this utility model.

[0020] Figure 3 This is a schematic diagram of the energy-absorbing column in this utility model.

[0021] Figure 4 This is a schematic diagram of the crossbar structure in this utility model.

[0022] Figure 5 This is a schematic diagram of the main warning component in this utility model.

[0023] Figure 6 This is a schematic diagram of the cleaning component in this utility model.

[0024] In the picture:

[0025] 100-Guardrail assembly, 101-Stabilizing base, 102-Post, 103-Mounting slide, 104-Rear slide, 105-Outer support frame, 106-Damping shock absorber, 107-Rear horizontal plate, 108-Abutment seat, 109-Connecting threaded hole;

[0026] Energy-absorbing column, 201-energy-absorbing column body, 202-ring-shaped warning reflective strip;

[0027] Crossbar, 301-Crossbar body, 302-Mounting slider;

[0028] Corner warning signs;

[0029] 500-Main warning assembly, 501-Connecting stud, 502-Main warning post, 503-Cleaning ring groove, 504-Annular ball groove, 505-Sphere, 506-Main warning reflective strip;

[0030] 600-Cleaning component, 601-Cleaning slider, 602-Arc groove, 603-Cleaning rod, 604-Cleaning bristles, 605-Rotating fan blade. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Please see Figures 1-6 As the first embodiment of this utility model:

[0033] A multi-level energy-absorbing road crash barrier includes: a barrier assembly 100, in which two sets of symmetrically arranged posts 102 are provided, and two sets of connecting crossbars 300 are installed between the two sets of posts 102.

[0034] Between the two sets of crossbars 300, there are several sets of energy-absorbing columns 200 that are linearly and equally distributed for energy absorption and collision prevention. Each set of columns 102 is equipped with a main warning component 500 for warning at the edge of the road. The main warning component 500 is equipped with a main warning column 502. The outer side of the main warning column 502 is equipped with several sets of main warning reflective strips 506 that are circumferentially and equally distributed.

[0035] The outer side of the main warning post 502 is provided with a cleaning component 600 for cleaning the main warning reflective strip 506. Each set of posts 102 is equipped with a set of corner warning components 400 on the side corner away from the center of the guardrail component 100 at the rear end. The energy-absorbing post 200 is provided with several sets of annular warning reflective strips 202 that are linearly and equally distributed.

[0036] A stable base 101 is fixedly connected to the bottom of the column 102. A rear sliding groove 104 is opened at the rear end of the upper surface of the column 102. A rear slider is provided in the corner warning component 400. The rear slider and the rear sliding groove 104 are movably engaged with each other. A corner warning seat is fixedly connected to the rear side of the rear slider. The corner warning component 400 installed at the corner of the column 102 provides auxiliary warning. The corner warning component 400 is connected to the column 102 with a structure that is easy to disassemble and assemble.

[0037] The upper surface of the column 102 is provided with a connecting threaded hole 109. The main warning component 500 is also provided with a connecting stud 501. The connecting stud 501 is threadedly connected to the connecting threaded hole 109, and the connecting stud 501 is integrally fixedly connected to the main warning column 502.

[0038] The lower surface of the main warning post 502 is provided with a cleaning ring groove 503. Both the inner and outer ends of the cleaning ring groove 503 are provided with a set of annular ball grooves 504. Several sets of balls 505 for assisting the cleaning component 600 to rotate in annularly are movably fitted inside the annular ball grooves 504.

[0039] The cleaning component 600 includes a cleaning slider 601. The cleaning slider 601 has arc-shaped grooves 602 on both its inner and outer sides. The cleaning slider 601 and the cleaning ring groove 503 are movably engaged with each other, and the sphere 505 and the arc-shaped groove 602 are movably engaged with each other.

[0040] A cleaning rod 603 is fixedly connected to the bottom of the cleaning slider 601. A cleaning brush 604 is provided at the end of the cleaning rod 603 near the main warning post 502. A rotating ring seat is provided below the cleaning rod 603. Several sets of rotating fan blades 605 for auxiliary rotation are fixedly connected to the outside of the rotating ring seat. The rotating fan blades 605 are blown by the wind and the airflow generated by the passing vehicle. The rotating ring seat drives the cleaning slider 601 to rotate around the circumference of the cleaning ring groove 503, so that the cleaning brush 604 can assist in cleaning the main warning reflective strip 506.

[0041] Specifically, a set of corner warning pieces 400 are installed at the corners of the two sets of posts at both ends of the guardrail assembly 100. The corner warning pieces 400 are conveniently installed by the movable engagement of the rear slider and the rear slide groove 104. The corner warning pieces 400 provide auxiliary warnings during daily use. The energy-absorbing column 200 is provided with several sets of annular warning reflective strips 202, which can also reflect light to road pedestrians. The main warning assembly 500 is installed on the top of the post 102 by connecting studs 501 and connecting threaded holes 109. The main warning reflective strips 506 set at a high position provide an effective warning effect.

[0042] Secondly, during daily use, the fan blades 605 are rotated by the wind and the airflow generated by passing vehicles. This, in turn, causes the cleaning slider 601 to rotate around the circumference of the cleaning ring groove 503 via the rotating ring seat. This allows the cleaning bristles 604 to assist in cleaning the main warning reflective strip 506 and remove dirt. Furthermore, the cleaning slider 601 is located within the cleaning ring groove 503, where the ball 505 and the arc groove 602 are in interlocking contact, resulting in rolling friction and reducing the rotational friction of the cleaning component 600, thereby enhancing the warning effect.

[0043] Please see Figures 1-3 As a second embodiment of this utility model:

[0044] The upper surface of the column 102 is also provided with a mounting groove 103. The rear side of the column 102 is connected to an outer support frame 105 by a bolt structure. Two sets of symmetrically arranged damping shock absorbers 106 for buffering and absorbing energy are fixedly connected to the rear side of the outer support frame 105.

[0045] The rear side of the damping shock absorber 106 is fixedly connected to a rear cross plate 107, and the rear side of the rear cross plate 107 is fixedly connected to several sets of abutment seats 108 that are linearly and equally distributed.

[0046] The energy-absorbing column 200 also includes an energy-absorbing column body 201, which is made of a hollow rubber column structure. The inner side of the energy-absorbing column body 201 is filled with sand. The crossbar 300 also includes a crossbar body 301.

[0047] A set of mounting sliders 302 are fixedly connected to both sides of the crossbar body 301. The mounting sliders 302 and the mounting grooves 103 are mutually engaged. In the event of a collision, the energy-absorbing column body 201 provides the first step of buffering, and the sand filling the inside of the energy-absorbing column body 201 provides the second step of buffering. The rear side of the energy-absorbing column body 201 is contacted by the abutment seat 108, and the damping shock absorber 106 on the rear side provides the third step of buffering.

[0048] Based on the first embodiment described above, when a vehicle traveling on the road collides with the guardrail assembly due to an accident, the collision is first buffered by the energy-absorbing column body 201, then by the sand filling the inside of the energy-absorbing column body 201, and the rear side of the energy-absorbing column body 201 is contacted by the abutment seat 108, and the rear side is buffered by the damping shock absorber 106, thereby forming a multi-level energy-absorbing collision protection.

[0049] The above description is merely an illustration of some principles of this utility model. This specification is not intended to limit this utility model to the specific structure and applicable scope shown. Therefore, all possible modifications and equivalents that may be used fall within the scope of the patent application of this utility model.

[0050] Except for the technical features described in the specification, all other technical features are known to those skilled in the art.

Claims

1. A multi-stage energy-absorbing road crash barrier, comprising: The guardrail assembly (100) is characterized in that: the guardrail assembly (100) is provided with two sets of symmetrically arranged posts (102), and two sets of connecting crossbars (300) are installed between the two sets of posts (102); A number of energy-absorbing columns (200) for energy absorption and collision prevention are rotatably connected between the two sets of crossbars (300) and are linearly and equally distributed. Each set of columns (102) is provided with a main warning component (500) for road edge warning. The main warning component (500) is provided with a main warning column (502). The main warning column (502) is provided with a number of main warning reflective strips (506) that are circumferentially and equally distributed on the outside of the main warning column (502). The outer side of the main warning post (502) is provided with a cleaning component (600) for cleaning the main warning reflective strip (506). Each set of posts (102) is equipped with a set of corner warning components (400) on the side corner away from the center of the guardrail assembly (100) at the rear end. The energy-absorbing post (200) is provided with several sets of annular warning reflective strips (202) that are linearly and equally distributed.

2. The multi-stage energy-absorbing road crash barrier as described in claim 1, characterized in that: A stable base (101) is fixedly connected below the column (102). A rear sliding groove (104) is provided at the rear end of the upper surface of the column (102). A rear slider is provided in the corner warning component (400). The rear slider and the rear sliding groove (104) are movably fitted together. A corner warning seat is fixedly connected to the rear side of the rear slider.

3. The multi-stage energy-absorbing road crash barrier as described in claim 2, characterized in that: The upper surface of the column (102) is provided with a connecting threaded hole (109), and the main warning assembly (500) is also provided with a connecting stud (501). The connecting stud (501) is threadedly connected to the connecting threaded hole (109), and the connecting stud (501) is integrally fixedly connected to the main warning column (502).

4. The multi-stage energy-absorbing road crash barrier as described in claim 3, characterized in that: The main warning post (502) has a cleaning ring groove (503) on its lower surface. The inner sides of both ends of the cleaning ring groove (503) are provided with a set of annular ball grooves (504). Several sets of balls (505) for assisting the cleaning component (600) to rotate in annularly are movably fitted inside the annular ball grooves (504).

5. The multi-stage energy-absorbing road crash barrier as described in claim 4, characterized in that: The cleaning component (600) is provided with a cleaning slider (601), and the cleaning slider (601) has arc-shaped grooves (602) on both its inner and outer sides. The cleaning slider (601) and the cleaning ring groove (503) are mutually engaged, and the sphere (505) and the arc-shaped groove (602) are mutually engaged.

6. The multi-stage energy-absorbing road crash barrier as described in claim 5, characterized in that: A cleaning rod (603) is fixedly connected below the cleaning slider (601). A cleaning brush (604) is provided at one end of the cleaning rod (603) near the main warning post (502). A rotating ring seat is provided below the cleaning rod (603). Several sets of rotating fan blades (605) for auxiliary rotation are fixedly connected to the outside of the rotating ring seat.

7. A multi-stage energy-absorbing road crash barrier as described in claim 1, characterized in that: The upper surface of the column (102) is also provided with an installation groove (103). The rear side of the column (102) is connected to an outer support frame (105) by a bolt structure. The rear side of the outer support frame (105) is fixedly connected with two sets of symmetrically arranged damping shock absorbers (106) for buffering and absorbing energy. The damping shock absorber (106) is fixedly connected to a rear cross plate (107), and the rear cross plate (107) is fixedly connected to a number of abutment seats (108) that are linearly and equally distributed.

8. The multi-stage energy-absorbing road crash barrier as described in claim 1, characterized in that: The energy-absorbing column (200) is also provided with an energy-absorbing column body (201), which is made of a hollow rubber column structure. The inner side of the energy-absorbing column body (201) is filled with sand. The crossbar (300) is provided with a crossbar body (301). A set of mounting sliders (302) are fixedly connected to both the left and right sides of the crossbar body (301), and the mounting sliders (302) and the mounting grooves (103) are movably engaged with each other.

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