Guardrail

Abstract

The guardrail comprises a stand column, a protective beam and an anti-blocking block, the anti-blocking block is installed at the end, away from the road surface, of the stand column, and the protective beam is installed on the anti-blocking block; the section, parallel to the road surface, of the stand column is circular. The anti-blocking block comprises a cylindrical barrel, two side plates oppositely arranged on the two sides of the barrel, and a cover plate fixedly connected with the tops of the two side plates. The cylinder body is arranged outside the stand column in a sleeving manner and is detachably connected with the stand column; the cylinder body is provided with a plurality of groups of first mounting holes, the plurality of groups of first mounting holes are arranged at intervals along the extension direction of the cylinder body, the stand column is provided with a plurality of groups of second mounting holes which are arranged at intervals along the extension direction of the stand column, and the first mounting holes and the different second mounting holes are correspondingly mounted so as to adjust the mounting height of the anti-blocking block. According to the guardrail, the height between the protective beam and the road surface can be adjusted, and lossless adjustment of the height of the guardrail is achieved.

Description

Technical Field

[0001] This application relates to the field of road construction facilities technology, and in particular to a guardrail. Background Technology

[0002] In the field of highway guardrails, anti-blocking blocks are typically used to fix the guardrail beams to the posts. However, on some older roads, after repaving, the height of the guardrail beams may be insufficient, reducing the safety of the guardrails. Because the guardrail height does not meet requirements, the entire guardrail needs to be removed and replaced, resulting in a waste of resources. Furthermore, since the ends of the posts are buried underground, removing or installing guardrails is difficult and time-consuming. Utility Model Content

[0003] The guardrail provided in this application can adjust the height of the protective beam relative to the road surface, achieving non-destructive adjustment of the guardrail height.

[0004] An embodiment of this application provides a guardrail comprising a post, a protective beam, and a blocking block, wherein the blocking block is installed at the end of the post away from the road surface, and the protective beam is installed on the blocking block;

[0005] The cross-section of the column parallel to the road surface is circular;

[0006] The anti-blocking block includes a cylindrical body, two side plates disposed opposite to each other on both sides of the cylindrical body, and a cover plate fixedly connected to the top of the two side plates; the cylindrical body is sleeved on the outside of the column and is detachably connected to the column;

[0007] The cylinder is provided with multiple sets of first mounting holes, which are spaced apart along the extension direction of the cylinder. The column is provided with multiple sets of second mounting holes, which are spaced apart along the extension direction of the column. The first mounting holes are installed in correspondence with different second mounting holes to adjust the installation height of the anti-blocking block.

[0008] In the above embodiment, the installation height of the guardrail is adjusted by connecting the first mounting hole of the guardrail with different second mounting holes of the post, thereby adjusting the height of the protective beam above the ground. This allows the guardrail to adapt to changes in road height after road maintenance and paving. It eliminates the construction and labor costs of removing the original guardrail and replacing it with a new one.

[0009] In one embodiment, each group of the first mounting holes includes a first sub-mounting hole and a second sub-mounting hole, the first sub-mounting hole and the second sub-mounting hole being coaxially arranged along a first direction, the first direction being perpendicular to the cylinder and perpendicular to the extension direction of the road surface.

[0010] In one embodiment, each group of second mounting holes includes a third sub-mounting hole and a fourth sub-mounting hole, the third sub-mounting hole and the fourth sub-mounting hole being coaxially arranged along a first direction, the first direction being perpendicular to the cylinder and perpendicular to the extension direction of the road surface.

[0011] In one embodiment, the blocking block further includes two connecting plates, each of which is connected to one of the side plates, and the connecting plates are used to connect the protective beam.

[0012] In one embodiment, the protective beam is a corrugated plate, the corrugated plate includes wave crests and wave troughs spaced apart along the extension direction of the column, and the two side plates each include a protrusion adapted to the shape of the raised area on the back side of the corrugated plate.

[0013] In one embodiment, the connecting plate is perpendicular to the side plate, and the cylinder does not overlap with the connecting plate in a direction perpendicular to the connecting plate.

[0014] In one embodiment, each of the connecting plates is provided with a plurality of third mounting holes, which are spaced apart; the protective beam is provided with a plurality of fourth mounting holes, and the distance between two adjacent third mounting holes is equal to the distance between two adjacent fourth mounting holes.

[0015] In one embodiment, the protective beam is a corrugated plate, which includes crests and troughs spaced apart along the extension direction of the column, and the fourth mounting hole is located in the crest or the trough.

[0016] In one embodiment, the cover plate does not overlap with the cylinder along the axial direction of the cylinder.

[0017] In one embodiment, the cover plate and the cylinder are spaced at a predetermined distance along a direction perpendicular to the connecting plate. Attached Figure Description

[0018] Figure 1 A schematic diagram of the structure of a guardrail provided in one embodiment of this application;

[0019] Figure 2 An exploded view of the blocking block and column provided in one embodiment of this application;

[0020] Figure 3 A side view of a blocking block provided in one embodiment of this application;

[0021] Figure 4 A rear view of a blocking block provided in one embodiment of this application;

[0022] Figure 5This is a top view of a blocking block provided in one embodiment of this application.

[0023] Figure label:

[0024] 0-Road surface; 00-Curve stone; 100-Antiblocking block; 200-Post; 300-Protective beam; 1-Side plate; 2-Cover plate; 101-Cylinder; 11-First mounting hole; 110-First sub-mounting hole; 111-Second sub-mounting hole; 201-Second mounting hole; 210-Third sub-mounting hole; 211-Fourth sub-mounting hole; m-Valley; n-Crest; 12-Protrusion; 5-Connecting plate; 51-Third mounting hole; 52-Fourth mounting hole. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description of the application is provided in conjunction with the accompanying drawings and embodiments.

[0026] The terminology used in the following embodiments is for the purpose of describing particular embodiments only and is not intended to be limiting of this application. As used in the specification and appended claims of this application, the singular expressions “a,” “an,” “the,” “the,” “the,” and “this” are intended to also include expressions such as “one or more” unless the context clearly indicates otherwise.

[0027] References to “an embodiment” or “a specific embodiment” as used in this specification mean that one or more embodiments of this application include a particular feature, structure, or characteristic described in connection with that embodiment. The terms “comprising,” “including,” “having,” and variations thereof mean “including, but not limited to,” unless otherwise specifically emphasized.

[0028] In related technologies, guardrails are typically installed on both sides of roads to guide vehicles within designated lanes and prevent them from veering off the road due to loss of control or driver negligence. Guardrails consist of posts, protective beams, and spacer blocks. One end of each post is buried underground, and the other end is connected to the protective beam via spacer blocks. The spacer blocks, acting as load-bearing components between the protective beam and the post, function as both a connecting structure and an energy-absorbing mechanism. In a traffic accident, when the protective beam is impacted, it transfers the collision energy to the spacer blocks. The spacer blocks absorb some of the collision energy through deformation, thus mitigating the severity of injuries or fatalities. The installation height and position of the protective beams and spacer blocks need to be determined based on the specific crashworthiness rating to ensure the effective protective function of the guardrail.

[0029] The guardrail's protective beams are corrugated beams, suitable for roads of all grades, including highways, Class I roads, and Class II roads. Different grades of corrugated guardrails are suitable for different road conditions and vehicle speed requirements. The center height of the guardrail's crossbeams, measured from the road surface or curb to the center of the guardrail, should be within the required range. For some older roads, after repaving, the guardrail height may be insufficient, reducing its safety. Removing the existing guardrails and replacing them all with new, standard-compliant guardrails would result in a significant waste of resources and be difficult to construct.

[0030] To address the aforementioned issues, this application provides a guardrail capable of adjusting the height of the protective beam relative to the road surface, thereby achieving non-destructive adjustment of the guardrail height.

[0031] Figure 1 This is a schematic diagram of the structure of a guardrail provided in one embodiment of this application. Figure 2 An exploded view of the blocking block and column provided in one embodiment of this application. (Combined with...) Figure 1 and Figure 2 This application provides an embodiment of a guardrail installed on both sides of a road. The guardrail includes a post 200, a protective beam 300, and a blocking block 100. The blocking block 100 is installed at the end of the post 200 away from the road surface 0, and the protective beam 300 is installed on the blocking block 100. The post 200 has a circular cross-section parallel to the road surface 0. The blocking block 100 includes a cylindrical body 101, two side plates 1 disposed opposite each other on both sides of the cylindrical body 101, and a cover plate 2 fixedly connected to the top of the two side plates 1. The cylindrical body 101 is fitted onto the outer wall of the post 200 and is detachably connected to the post 200. The cylindrical body 101 has multiple sets of first mounting holes 11, which are spaced apart along the extending direction of the cylindrical body 101. The post 200 has multiple sets of second mounting holes 201 spaced apart along the extending direction of the post. The first mounting holes 11 are installed corresponding to different second mounting holes 201 to adjust the installation height of the blocking block 100.

[0032] In the above embodiment, the column 200 has a circular cross-section, and the cylindrical body 101 of the anti-blocking block 100 is adapted to the column 200. The cylindrical body 101 is a hollow cylindrical sleeve with openings at both ends. By connecting the first mounting hole 11 of the anti-blocking block 100 with different second mounting holes 201 of the column 200, the installation height of the anti-blocking block 100 can be adjusted, thereby adjusting the height of the protective beam 300 and the road surface 0. This allows the guardrail to adapt to changes in the road surface 0 after maintenance and paving. It eliminates the construction and labor costs of removing and replacing the original guardrail.

[0033] It is worth noting that the aforementioned column 200 has a circular cross-section and is housed within the cylinder 101. The cylinder 101 is adapted to fit the column 200. In actual production, there may be some errors. Within the allowable error range, the diameter of the column 200 may be slightly smaller than the preset diameter, or the diameter of the cylinder 101 may be slightly larger than the preset diameter, resulting in a certain gap between the outer wall of the column 200 and the inner wall of the cylinder 101 during assembly.

[0034] In one embodiment, each group of first mounting holes 11 includes a first sub-mounting hole 110 and a second sub-mounting hole 111, which are coaxially arranged along a first direction. The first direction is perpendicular to the cylinder body, and the first direction M is perpendicular to the extension direction N of the road. Each group of second mounting holes includes a third sub-mounting hole 210 and a fourth sub-mounting hole 211, which are coaxially arranged along the first direction. Specifically, the first sub-mounting hole 110 may be located on the side of the cylinder body 101 away from the road, and the second sub-mounting hole 111 may be located on the side of the cylinder body 101 facing the road. The third sub-mounting hole 210 may be located on the side of the column away from the road, and the fourth sub-mounting hole 211 may be located on the side of the column facing the road. The first sub-mounting holes 110 and 111 of each group of first mounting holes are at the same height, and similarly, the third sub-mounting holes 210 and 211 of each group of second mounting holes are at the same height. After adjusting the height of the anti-blocking block relative to the road surface as needed, fasteners such as long screws are passed through the first sub-mounting hole 110, the third sub-mounting hole 210, the fourth sub-mounting hole 211, and the second sub-mounting hole 111 in sequence, and then the anti-blocking block 100 is fixed to the column 200.

[0035] The first mounting hole 11 can be provided throughout the entire cylinder 101, or it can be provided only in the area of ​​the cylinder 101 located below the side plate 1. For the type where the first mounting hole 11 is provided only in the area of ​​the cylinder 101 located below the side plate 1, such as... Figure 2 This invention is applicable to the construction and renovation of existing guardrails. During guardrail renovation, the anti-blocking block 100 provided in this embodiment can replace the original anti-blocking block 100. The anti-blocking block 100 of this invention has a cylindrical body 101, which is longer than the original anti-blocking block 100. By connecting the first mounting hole 11 located in the sleeve portion 101 with the second mounting hole 201 of the post 200, the height of the original guardrail can be increased.

[0036] With the first mounting hole 11 located in the entire cylinder 101 type, suitable for newly laid guardrails, the height adjustment range of the anti-blocking block 100 is wider.

[0037] Figure 3 A side view of a blocking block provided in one embodiment of this application, in conjunction with Figures 1 to 3In one embodiment, the protective beam 300 is a corrugated plate, which includes wave crests n and wave troughs m spaced apart along the extension direction of the column 200. The two side plates 1 each include a protrusion 12 adapted to the shape of the raised area on the back side of the corrugated plate. In this embodiment, the protective beam 300 can specifically be a three-wave protective beam, having two wave troughs m and three wave crests n. The two wave troughs m protrude towards the side where the blocking block 100 is located, and the three wave crests n protrude towards the side away from the blocking block 100. The protrusion 12 is connected to the outer wall of the upper wave trough m. The protrusion 12 has an inclined edge that fits against the outer wall of the upper wave trough m, thereby improving the support strength of the protective beam 300.

[0038] In other embodiments, the aforementioned protective beam 300 may also be a two-wave protective beam (not shown in the figure). It has one trough m and two crests n. The trough m protrudes towards the side where the blocking block 100 is located, and the two crests n protrude towards the side away from the blocking block 100. The protrusion 12 is connected above the trough m.

[0039] In one embodiment, the blocking block 100 further includes two connecting plates 5, each connecting plate 5 being connected to a side plate 1, and the connecting plates 5 being used to connect the protective beam 300. Specifically, the connecting plate 5 is connected to two trough sections m.

[0040] In one embodiment, the connecting plate 5 is provided with a plurality of third mounting holes 51, which are spaced apart. Correspondingly, the protective beam 300 is provided with a plurality of fourth mounting holes 52. In this embodiment, the fourth mounting holes 52 can be located at each trough m. The distance a between two adjacent third mounting holes 51 is equal to the distance b (the distance between two troughs) between two adjacent fourth mounting holes 52. When installing the three-wave protective beam, the fourth mounting holes 52 of the protective beam 300 are aligned one-to-one with the third mounting holes 51 of the anti-blocking block 100, and then bolts are inserted for fixing.

[0041] Figure 4 A rear view of a blocking block provided in one embodiment of this application, as shown below. Figure 2 and Figure 4 As shown, in one embodiment, the connecting plate 5 is perpendicular to the side plate 1, and along the first direction M, the cylinder 101 and the connecting plate 5 do not overlap. Specifically, the connecting plate 5 extends outward from the side plate 1, resulting in a larger overlap area between the anti-blocking block 100 and the protective beam 300, thereby increasing the support strength of the protective beam 300.

[0042] Figure 5 A top view of a blocking block provided in one embodiment of this application, as shown below. Figure 4As shown, in one embodiment, the cover plate 2 does not overlap with the cylinder 101 along the axial direction of the cylinder 101. The protrusions 12 of the cover plate 2 connected to the two side plates 1 can improve the strength of the anti-blocking block. The cover plate 2 can be spaced at a preset distance from the cylinder 101 along the first direction M, which facilitates the installation of bolts. At the same time, the cover plate 2 has a smaller area, which can reduce the weight of the anti-blocking block and save materials, thereby saving costs.

[0043] In one specific embodiment, the road surface 0 is provided with a curbstone 00. After the guardrail of this application is installed, the distance from the top surface of the curbstone 00 to the center of the protective beam 300 is 697mm. The thickness of the asphalt pavement overlay is usually between 4 cm and 10 cm. The spacing between the adjacent first mounting holes 11 and the spacing between the adjacent second mounting holes 201 are equal, and the spacing is set within the allowable error range and is equal to the thickness of the overlay road surface. The anti-blocking block 100 is provided with multiple sets of first mounting holes 11, which can meet the requirement that if the height of the guardrail is insufficient after the road surface 0 is overlaid in the future, the relative position of the anti-blocking block 100 and the post 200 can be adjusted so that the first mounting holes 11 correspond to the second mounting holes 201 at different positions, thereby achieving a non-destructive increase in the height of the protective beam 300 and meeting the guardrail height installation standards.

[0044] Obviously, those skilled in the art can make various modifications and variations to this application without departing from the spirit and scope of this application. Therefore, if such modifications and variations fall within the scope of the claims of this application and their equivalents, this application also intends to include such modifications and variations.

Claims

1. A barrier, characterized in that It includes a column, a protective beam, and a blocking block. The blocking block is installed at the end of the column away from the road surface, and the protective beam is installed on the blocking block. The cross-section of the column parallel to the road surface is circular; The anti-blocking block includes a cylindrical body, two side plates disposed opposite to each other on both sides of the cylindrical body, and a cover plate fixedly connected to the top of the two side plates; the cylindrical body is sleeved on the outside of the column and is detachably connected to the column; The cylinder is provided with multiple sets of first mounting holes, which are spaced apart along the extension direction of the cylinder. The column is provided with multiple sets of second mounting holes, which are spaced apart along the extension direction of the column. The first mounting holes are installed in correspondence with different second mounting holes to adjust the installation height of the anti-blocking block.

2. A barrier according to claim 1, characterised in that Each set of first mounting holes includes a first sub-mounting hole and a second sub-mounting hole, the first sub-mounting hole and the second sub-mounting hole being coaxially arranged along a first direction, the first direction being perpendicular to the cylinder body and the extension direction of the road surface.

3. A barrier according to claim 1, characterised in that Each group of second mounting holes includes a third sub-mounting hole and a fourth sub-mounting hole, the third sub-mounting hole and the fourth sub-mounting hole being coaxially arranged along a first direction, the first direction being perpendicular to the cylinder body and perpendicular to the extension direction of the road surface.

4. The guardrail of claim 1, wherein The anti-blocking block also includes two connecting plates, each of which is connected to one of the side plates, and the connecting plates are used to connect the protective beam.

5. The guardrail of claim 1, wherein The protective beam is a corrugated plate, which includes wave crests and troughs arranged at intervals along the extension direction of the column. The two side plates each include a protrusion that matches the shape of the raised area on the back side of the corrugated plate.

6. A barrier according to claim 5, characterised in that The anti-blocking block also includes two connecting plates, each of which is connected to one of the side plates. The connecting plates are perpendicular to the side plates, and the cylinder does not overlap with the connecting plates in the direction perpendicular to the connecting plates.

7. A barrier according to claim 6, characterised in that Each of the connecting plates is provided with multiple third mounting holes, which are spaced apart; the protective beam is provided with multiple fourth mounting holes, and the distance between two adjacent third mounting holes is equal to the distance between two adjacent fourth mounting holes.

8. A barrier according to claim 7, characterised in that The fourth mounting hole is located at the crest or the trough of the wave.

9. The guardrail of claim 1, wherein, Along the axial direction of the cylinder, the cover plate does not overlap with the cylinder.

10. The guardrail of claim 4, wherein, Along a direction perpendicular to the connecting plate, the cover plate is spaced at a predetermined distance from the cylinder.

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