Road protective fence
By using a worm gear transmission system with buried posts and rotating seats, the problems of low installation efficiency and warping edges of guardrails have been solved, achieving convenient installation and improved safety.
Patent Information
- Application Number
- CN202422810558.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-18
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-18
AI Technical Summary
Existing road guardrails are inefficient to install and are prone to warping, increasing the risk of damage in traffic accidents.
The structure employs buried columns and rotating seats, and utilizes a worm gear drive and lead screw bearing system to achieve rotation and bending adjustment of the guard plate, simplifying the installation process and preventing the guard plate from warping.
It improved the installation efficiency of guardrails, reduced the phenomenon of guardrail edges warping, and enhanced safety and ease of installation.
Smart Images

Figure CN223523025U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of guardrails, in particular to a road guardrail. BACKGROUND
[0002] The existing guardrail is installed on both sides of the road through a plurality of main support columns, and then corrugated guard plates are installed between the adjacent two main support columns, and each section of the guard plate is fixed on the main support column through a bolt. Therefore, the first two sections of the guard plate are connected, and sometimes a fixed anti-collision beam is installed on the top of each main support column, and the first two anti-collision beams are connected and fixed on the main support column through a bolt, so that the protection level of the guardrail is improved, and although the anti-collision function is achieved, the installation is extremely troublesome, especially when turning, a plurality of people are needed to assist in bending the guard plate and the anti-collision beam, so that one end of the guard plate is fixed on the next main support column, and when the number of personnel is insufficient, large equipment needs to be used for bending, so that the installation efficiency is extremely low, and with the installation of two sections of the guard plate on a single main support column, the end of the guard plate is easily bent, and the bent end is directed towards the inside of the road, so that the probability of damage to the vehicle and personnel is increased in the event of an accident. Therefore, we propose a road guardrail. SUMMARY
[0003] The utility model aims at providing a road guardrail to solve the problems in the above background.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a road guardrail, which comprises a plurality of buried columns placed on the ground, each of the buried columns is rotatably connected with a rotating seat at the top, each of the rotating seats is provided with an accommodating cavity inside, a vertical surface opening is formed on the side of the rotating seat facing the road surface, the vertical surface opening extends to the outside of the rotating seat on one side to form a rotating seat connected with the outside of the rotating seat, and the other side of the vertical surface opening extends into the accommodating cavity, a guard plate is fixedly connected between the two rotating seats, a fixed plate is fixedly installed at the bottom of the accommodating cavity, a worm gear is fixedly suspended on the fixed plate, a rotating rod is rotatably connected to the side of the buried column, the rotating rod extends into the buried column at one end, a worm is fixedly connected to one end of the rotating rod, the worm is rotatably connected with the buried column, and the worm and the worm gear are in meshing transmission.
[0005] Preferably, a support plate is fixedly connected between the buried column and the rotating seat, and the transmission shaft of the worm gear penetrates through the support plate.
[0006] Preferably, a gooseneck seat is fixedly connected to the top of each rotating seat, a reinforcing pipe is connected to the top of each gooseneck seat, the two adjacent reinforcing pipes are connected together through a key, and the ends of the two reinforcing pipes are fixed on the gooseneck seat through a bolt.
[0007] Preferably, a lead screw is rotatably connected to the other side of each rotating seat, the lead screw is in contact with the end of the accommodating cavity and the guard plate, the end of the lead screw is fixedly connected with a bearing, the outer ring of the bearing is fixedly connected with a pressing plate, when the lead screw rotates, the bearing moves to the outside of the rotating seat and pulls the pressing plate and the guard plate into contact.
[0008] Preferably, the material of the guard plate is aluminum alloy, and the length of each guard plate is at least 10M.
[0009] Preferably, the corners of each buried column and rotating seat are chamfered, and the outer part of each rotating rod is passivated.
[0010] Compared with the prior art, the utility model has the advantages that:
[0011] The utility model discloses a manual iron rod is passed through the end of the lead screw, and the lead screw generates rotation, the inner ring of the bearing rotates in the process of the rotation of the lead screw, and the outer ring of the bearing does not rotate under the condition that the pressing plate and the guard plate are in contact, the process that the artificial rotates the lead screw is saved, the end of the lead screw is used as a fulcrum to generate a force-saving lever, the pressing plate gradually extrudes the end of the guard plate to move to the inside of the rotating seat, the end of the guard plate does not protrude, and the phenomenon that the personnel on the two-wheeled vehicle are cut after the vehicle accident is prevented.
[0012] The rotating seat rotates on the top of the buried column, the degree of the pressing and bending of the end of the guard plate is adjusted, the two ends of the guard plate can be in contact with the two rotating contacts, if the bending radian of the end of the guard plate is insufficient, the end of the guard plate is bent through artificial rotation adjustment of the lead screw or the rotating rod, the installation difficulty is reduced, and the safety factor of the guard plate can be improved. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the whole structure schematic diagram of the utility model;
[0014] Figure 2 It is the buried column and rotating seat structure schematic diagram of the utility model;
[0015] Figure 3 It is the split structure schematic diagram of the buried column and rotating seat of the utility model;
[0016] Figure 4 It is the utility model Figure 3 The enlarged structure schematic diagram of A in the utility model.
[0017] In the figure: 1 - buried column; 101 - base; 2 - rotating seat; 201 - inclined angle area; 202 - facade opening; 203 - containing cavity; 3 - horn seat; 4 - guard plate; 5 - reinforcing pipe; 6 - bearing; 7 - pressing plate; 8 - rotating rod; 9 - screw rod; 10 - worm; 11 - supporting plate; 12 - worm wheel; 13 - fixed plate. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0019] Please refer to Figures 1-4 The present application provides a technical solution: a road guardrail, comprising a plurality of buried columns 1 placed on the ground, each of the buried columns 1 is rotatably connected with a rotating seat 2 at the top, each of the rotating seats 2 is provided with a containing cavity 203 inside, a facade opening 202 is provided on the side of the rotating seat 2 facing the road surface, the facade opening 202 extends to the outside of the containing cavity 203 on one side to form a rotating seat 201 connected with the outside of the rotating seat 2, the other side of the facade opening 202 extends into the containing cavity 203, a guard plate 4 is fixedly connected between the two rotating seats 2, a fixed plate 13 is fixedly installed at the bottom of the containing cavity 203, a worm wheel 12 is fixedly suspended on the fixed plate 13, a rotating rod 8 is rotatably connected with the side of the buried column 1, one end of the rotating rod 8 extends into the buried column 1, a worm 10 is fixedly connected with one end of the rotating rod 8, the worm 10 is rotatably connected with the buried column 1, and the worm 10 and the worm wheel 12 are in meshing transmission; the support plate 11 is fixedly connected between the buried column 1 and the rotating seat 2, the transmission shaft of the worm wheel 12 penetrates through the support plate 11, and the bottom of each of the buried columns 1 is fixedly connected with a base 101.
[0020] Each of the rotating seats 2 is rotatably connected with a screw rod 9 on the other side of the outside, the screw rod 9 is in contact with the guard plate 4 through one end penetrating through the containing cavity 203, one end of the screw rod 9 is fixedly connected with a bearing 6, and the outer ring of the bearing 6 is fixedly connected with a pressing plate 7; when the screw rod 9 rotates, the bearing 6 moves to the outside of the rotating seat 2 and pulls the pressing plate 7 and the guard plate 4 into contact.
[0021] The material of the guard plate 4 is made of aluminum alloy, the length of each guard plate 4 is at least 10M, first, each buried column 1 is installed in each embedded point in turn, then the base 101 is put into the embedded point, and finally the soil is buried until it is flush with the road surface, then a guard plate 4 is installed between two adjacent buried columns 1, wherein each guard plate 4 is provided with a hole opposite to the rotating seat 2 at both ends, if the road surface is in a flat state at this time, the worker only needs to install the guard plate 4 on the rotating seat 2 through bolts for fixation, then the worker holds an iron rod at the back of each rotating seat 2 to pass through one end of the lead screw 9, so that the lead screw 9 rotates, the inner ring of the bearing 6 rotates in the process of the rotation of the lead screw 9, and the outer ring of the bearing 6 cannot rotate under the condition that the pressure plate 7 and the guard plate 4 are in contact, the worker rotates the lead screw 9, and the pressure plate 7 gradually extrudes one end of the guard plate 4 to move into the rotating seat, so that one end of the guard plate 4 does not protrude, preventing the personnel on the two-wheeled vehicle from being cut after a vehicle accident;
[0022] If the two adjacent buried columns 1 and other buried columns 1 are compared and appear to be curved, the worker can hold one end of the guard plate 4 and put it into one of the rotating seats on the top of the buried column 1 first, then insert one end of the guard plate 4 into the accommodating cavity 203, and then insert the iron rod into one end of the rotating rod 8, so that the rotating rod 8 rotates, the back of the guard plate 4 contacts the inclined angle area 201, the guard plate 4 starts to bend around the inclined angle area 201, and finally the other end of the guard plate 4 contacts the pressure plate 7 on the other rotating seat, then the worker can rotate the lead screw 9 in turn to realize the pressing operation of the other end of the guard plate 4, and then the worker steps on the iron rod inserted in the rotating rod 8 to rotate the rotating rod 8, so that the worm 10 drives the worm wheel 12 to rotate, the rotating seat 2 rotates on the top of the buried column 1, thereby realizing the tension adjustment of the bending degree of one end of the guard plate 4, and assisting the two ends of the guard plate 4 to contact the two rotating seats, if the bending radius of one end of the guard plate 4 is insufficient, the worker can rotate the lead screw 9 or the rotating rod 8 again to bend it, thereby reducing the installation difficulty and improving the safety factor of the guard plate 4.
[0023] Each rotating seat 2 is fixedly connected with a gooseneck 3 at the top, the gooseneck 3 is connected with a reinforcing pipe 5 at the top, two adjacent reinforcing pipes 5 are connected together by keys, and the ends of the reinforcing pipes 5 are fixed on the gooseneck 3 by bolts, wherein the bending principle of the reinforcing pipe 5 is the same as above, and details are not repeated, in addition, the gooseneck 3 and the reinforcing pipe 5 are optional, and are used according to specific conditions.
[0024] During production, the corners of each buried column 1 and rotating seat 2 should be treated by rounding, and the outside of each rotating rod 8 is passivated to prevent scratching personnel.
[0025] It should be noted that the relational terms herein, such as first and second, and the like, are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0026] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.
Claims
1. A road barrier comprising a plurality of buried posts (1) placed on the ground, characterized in that: Each said buried column (1) top is rotatably connected with a rotating seat (2), each said rotating seat (2) is internally provided with an accommodating cavity (203), the side of said rotating seat (2) facing the road surface is provided with a vertical surface opening (202), the side of said vertical surface opening (202) extends to the outside of the accommodating cavity (203) to form an inclined angle area (201) connected with the outside of the rotating seat (2), the other side of said vertical surface opening (202) extends into the accommodating cavity (203), two said rotating seats (2) are fixedly connected with a guard plate (4), the bottom of said accommodating cavity (203) is fixedly installed with a fixed plate (13), said fixed plate (13) is fixedly suspended with a worm gear (12), the side of said buried column (1) is rotatably connected with a rotating rod (8), one end of said rotating rod (8) extends into the buried column (1), one end of said rotating rod (8) is fixedly connected with a worm (10), said worm (10) and the buried column (1) are rotatably connected, said worm (10) and the worm gear (12) are in meshing transmission. Said buried column (1) and rotating seat (2) are fixedly connected with a support plate (11), the transmission shaft of said worm gear (12) penetrates through the support plate (11), the bottom of each said buried column (1) is fixedly connected with a base (101). The top of each said rotating seat (2) is fixedly connected with a horn seat (3), the top of said horn seat (3) is connected with a reinforcing pipe (5), two adjacent said reinforcing pipes (5) are connected together through a key, and the tail end thereof is fixed on the horn seat (3) through a bolt.
2. A roadside barrier according to claim 1, wherein: The other side of each said rotating seat (2) is rotatably connected with a lead screw (9), one end of said lead screw (9) is in contact with the guard plate (4) through penetrating through the accommodating cavity (203), one end of said lead screw (9) is fixedly connected with a bearing (6), the outer ring of said bearing (6) is fixedly connected with a pressing plate (7), when said lead screw (9) rotates, said bearing (6) moves to the outside of the rotating seat (2) and pulls the pressing plate (7) to contact the guard plate (4). The material of said guard plate (4) is made of aluminum alloy, the length of each said guard plate (4) is at least 10M.
3. A roadside barrier according to claim 2, wherein: Each said buried column (1) and rotating seat (2) corner is treated by rounding, and each said rotating rod (8) is externally passivated.
4. A highway guard rail according to claim 1 wherein: 5. A highway guard rail according to claim 1 wherein: 6. A highway guard rail according to claim 1 wherein: