Prefabricated concrete base-based medial strip wave-shaped beam guardrail
By setting reserved holes and pre-embedded steel sleeves in the precast concrete base, combined with column locks and mounting frames, the problem of unstable connection of the corrugated beam guardrail in the central divider was solved, realizing convenient installation and stable fixation, improving the stability of the guardrail and reducing construction costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGGAO COUNTY HECHANG PREFABRICATED COMPONENTS CO LTD
- Filing Date
- 2025-04-15
- Publication Date
- 2026-04-17
AI Technical Summary
The existing precast concrete base and posts of the corrugated beam guardrails in the central median strip are not securely connected and are prone to loosening or falling off. The installation process is complicated and costly.
Pre-drilled holes and embedded steel sleeves are set in the precast concrete base. The columns are fixed through the pre-drilled holes. The steel bars embedded in the center of the road are connected to the sleeves. Combined with the design of column locks and mounting brackets, convenient installation and stable fixation are achieved.
It improves the stability of the base and the overall sturdiness of the guardrail, simplifies the installation process, and reduces construction costs and time.
Smart Images

Figure CN224133617U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of traffic facilities, and in particular to a corrugated beam guardrail for the central median strip based on a precast concrete base. Background Technology
[0002] In the field of road traffic facilities, corrugated beam guardrails for central medians are an important component of road safety facilities. Their main function is to prevent vehicles from crossing the central median into oncoming lanes, thereby reducing traffic accidents. However, existing corrugated beam guardrails for central medians present numerous problems during installation.
[0003] Traditional installation methods often result in insufficiently secure connections between the precast concrete base and the posts, leading to loosening or detachment and affecting the overall stability and protective effect of the corrugated beam guardrail. Furthermore, the method of fixing the base to the center of the road is complex, requiring additional fasteners and connectors, increasing construction costs and difficulty.
[0004] Therefore, there is an urgent market demand for an improved installation structure and method for corrugated beam guardrails in central medians, which simplifies the installation process, improves base stability, reduces construction costs, and enhances road safety. This invention is proposed against this backdrop, aiming to meet market demands by optimizing the structural design of the precast concrete base to achieve convenient installation of the posts and stable fixation of the base. Utility Model Content
[0005] The purpose of this utility model is to provide a corrugated beam guardrail with a central divider based on a precast concrete base, so as to achieve convenient installation of the posts and stable fixation of the base.
[0006] To achieve the above objectives, the technical solution adopted by this utility model is: to provide a corrugated beam guardrail for the central median strip based on a precast concrete base, wherein the corrugated beam guardrail for the central median strip based on a precast concrete base includes:
[0007] A precast concrete base is provided with a reserved hole in the middle of the base and pre-embedded steel reinforcement sleeves on both sides of the precast concrete base. The precast concrete base is set in the central dividing area of the road, and the pre-embedded steel reinforcement in the central dividing area of the road is inserted and fixedly connected to the pre-embedded steel reinforcement sleeves.
[0008] The column is fixed in the reserved hole of the precast concrete base;
[0009] Mounting bracket, which is mounted on the top of the column;
[0010] A corrugated beam guardrail, which is fixed to both sides of the mounting frame.
[0011] In one embodiment, a column lock is further included, which is sleeved and fixed on the column and used to fix the column to the precast concrete base.
[0012] In one embodiment, the column latch has a through hole in the middle that matches the shape of the column, and the edge of the column latch has a reserved bolt hole.
[0013] In one embodiment, the column latch is further provided with a buckle, the two ends of which are curved into an arc shape, and the two ends of the buckle are fixed to the bolts in the reserved bolt holes.
[0014] In one embodiment, the mounting bracket includes a sleeve and a connecting plate fixed to the sleeve. The sleeve is fitted onto the top of the column and fixed by a pin, and the corrugated beam guardrail is fixed to the connecting plate by a threaded component.
[0015] In one embodiment, the surfaces of the columns, mounting brackets, and corrugated beam guardrails are all coated with anti-rust paint.
[0016] The above-described technical solutions in the embodiments of this utility model have at least the following technical effects or advantages:
[0017] The corrugated beam guardrail for the central median strip based on a precast concrete base provided in this embodiment of the invention makes the installation of the posts and the fixing of the base more convenient and efficient by pre-drilling holes and embedding steel sleeves in the precast concrete base, reducing on-site construction time and labor costs. Construction workers only need to insert the posts into the pre-drilled holes and fix them, and then insert the embedded steel bars in the center of the road into the embedded steel sleeves for fixing, thus completing the installation process of the precast concrete base and posts. Furthermore, the design of the embedded steel sleeves, which are fixedly connected to the embedded steel bars in the center of the road, forms a robust connection system, significantly improving the stability of the precast concrete base and enhancing the overall robustness of the corrugated beam guardrail. Attached Figure Description
[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0019] Figure 1 A front view of a corrugated beam guardrail with a central median strip based on a precast concrete base, provided for an embodiment of this utility model;
[0020] Figure 2A top view of a corrugated beam guardrail with a central median strip based on a precast concrete base, provided for an embodiment of this utility model;
[0021] Figure 3 This is a schematic diagram of the column latch provided in an embodiment of the present utility model.
[0022] The labels for the various figures are as follows:
[0023] 1. Precast concrete base; 2. Column; 3. Mounting frame; 4. Corrugated beam guardrail; 5. Column lock; 6. Road surface; 11. Reserved hole; 12. Embedded steel sleeve; 31. Sleeve; 32. Connecting plate; 51. Buckle. Detailed Implementation
[0024] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.
[0025] In the description of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0026] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.
[0027] Please see Figures 1 to 3This application provides a corrugated beam guardrail for a central median strip based on a precast concrete base, comprising a precast concrete base 1, posts 2, mounting frames 3, and corrugated beam guardrail 4. The base has a pre-drilled hole 11 in the center, and pre-embedded steel reinforcement sleeves 12 are provided on both sides of the precast concrete base 1. The precast concrete base 1 is positioned in the central median strip of the road, and the pre-embedded steel reinforcement is inserted into and fixedly connected to the pre-embedded steel reinforcement sleeves 12. The posts 2 are fixed within the pre-drilled hole 11 of the precast concrete base 1. The mounting frames 3 are installed on the top of the posts 2. The corrugated beam guardrail 4 is fixed to both sides of the mounting frames 3.
[0028] This utility model features a pre-drilled hole 11 in the middle of the precast concrete base 1 for installing the column 2, which facilitates the installation and fixing of the column 2. Furthermore, pre-embedded steel reinforcement sleeves 12 are pre-drilled on both sides of the precast concrete base 1. When the precast concrete base 1 is placed in the central median of a road, the pre-embedded steel reinforcement in the road center is inserted and fixedly connected to the pre-embedded steel reinforcement sleeve 12 (the specific fixing method can be welding the pre-embedded steel reinforcement to the pre-embedded steel reinforcement sleeve 12), thereby improving the stability of the precast concrete base 1.
[0029] In one embodiment, a post lock is also included, which is sleeved and fixed to the post 2. The post lock is used to fix the post 2 to the precast concrete base 1. The design of the post lock enhances the connection stability between the post 2 and the precast concrete base 1, and improves the impact resistance and durability of the entire corrugated beam guardrail 4 system.
[0030] Specifically, the column lock has a through hole in the center that matches the shape of the column 2, allowing the column 2 to pass through and fit tightly. The edge of the column lock has pre-drilled bolt holes for fixing the column lock to the precast concrete base 1 using bolts embedded in the base. The through hole design ensures a tight connection between the column 2 and the column lock, preventing the column 2 from shaking or falling off under external force. The pre-drilled bolt holes facilitate the fixing of the column lock, making the installation process simpler and more reliable.
[0031] In one embodiment, the column latch is further provided with a buckle 51, the two ends of which are curved into an arc shape, and the two ends of the buckle 51 are fixed to the bolts in the reserved bolt holes.
[0032] In one embodiment, the mounting bracket 3 includes a sleeve 31 and a connecting plate 32 fixed to the sleeve 31. The sleeve 31 is fitted onto the top of the column 2 and fixed with a pin. The corrugated beam guardrail 4 is fixed to the connecting plate 32 by threaded fittings. The design of the sleeve 31 and the connecting plate 32 allows the mounting bracket 3 to be easily installed on the column 2 and can withstand the force transmitted from the corrugated beam guardrail 4, ensuring the stability of the entire system. In addition, fixing the corrugated beam guardrail 4 to the connecting plate 32 by threaded fittings makes the installation process simpler and faster, while also improving the firmness and safety of the corrugated beam guardrail 4.
[0033] In one embodiment, the surfaces of the post 2, mounting bracket 3, and corrugated beam guardrail 4 are all coated with anti-rust paint. The application of anti-rust paint improves the durability and service life of the post 2, mounting bracket 3, and corrugated beam guardrail 4.
[0034] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A corrugated beam guardrail for a central median strip based on a precast concrete base, characterized in that, The corrugated beam guardrail of the central median strip based on a precast concrete base includes: A precast concrete base is provided with a reserved hole in the middle and pre-embedded steel reinforcement sleeves are provided on both sides of the precast concrete base. The precast concrete base is set in the central dividing area of the road, and the pre-embedded steel reinforcement in the central dividing area of the road is inserted and fixedly connected to the pre-embedded steel reinforcement sleeves. The column is fixed in the reserved hole of the precast concrete base; Mounting bracket, which is mounted on the top of the column; A corrugated beam guardrail, which is fixed to both sides of the mounting frame.
2. The corrugated beam guardrail with central median strip based on a precast concrete base as described in claim 1, characterized in that: It also includes a column lock, which is sleeved and fixed on the column and used to fix the column to the precast concrete base.
3. The corrugated beam guardrail with central median strip based on a precast concrete base according to claim 2, characterized in that: The column latch has a through hole in the middle that matches the shape of the column, and the edge of the column latch has a reserved bolt hole.
4. The corrugated beam guardrail with central median strip based on a precast concrete base according to claim 3, characterized in that: The column latch is also provided with a buckle, the two ends of which are curved into an arc shape, and the two ends of the buckle are fixed to the bolts in the reserved bolt holes.
5. The corrugated beam guardrail with central median strip based on a precast concrete base according to claim 1, characterized in that: The mounting bracket includes a sleeve and a connecting plate fixed to the sleeve. The sleeve is fitted onto the top of the column and fixed with a pin. The corrugated beam guardrail is fixed to the connecting plate with a threaded component.
6. The corrugated beam guardrail with central median strip based on a precast concrete base according to claim 1, characterized in that: The surfaces of the columns, mounting frames, and corrugated beam guardrails are all coated with anti-rust paint.