Highway bridge safety guardrail

Abstract

The utility model relates to the technical field of safety guardrails, and provides an expressway bridge safety guardrail which comprises a guardrail body, fixing cones and warning lamps, an installation bottom plate is arranged at the bottom end of the guardrail body, threaded holes are symmetrically formed in the two ends of the installation bottom plate, the installation bottom plate is movably provided with the fixing cones through the threaded holes, and the warning lamps are arranged on the fixing cones. Second movable grooves are symmetrically formed in the inner walls of the fixing cones, side positioning cones are movably installed on the fixing cones through the second movable grooves, second springs are installed on the outer walls of the side positioning cones, a warning lamp is arranged at the top end of the guardrail body, and a telescopic cavity is formed in the inner wall of the guardrail body; a telescopic cavity is formed in the guardrail body, limiting grooves are symmetrically formed in the two sides of the telescopic cavity, an inner guardrail is movably installed on the guardrail body through the telescopic cavity, limiting blocks are symmetrically arranged on the two sides of the inner guardrail, and the problems that in the prior art, during bottom installation, stability is limited, meanwhile, multiple sets of guardrails are inconvenient to connect, and the force unloading effect is affected are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of safety guardrails, in particular to a highway bridge safety guardrail. BACKGROUND

[0002] The highway bridge safety guardrail is an important facility for improving the driving safety of highway bridges, and the main purpose is to prevent vehicles from rushing out of the bridge or colliding with the bridge structure after losing control, thereby reducing the occurrence of traffic accidents and damage. With the increase of traffic volume and the complication of road design, the design and application of guardrails will be further improved to better protect the safety of road users.

[0003] The patent specification with publication number CN 215329359 U discloses a highway bridge safety guardrail, which is provided with a guardrail, an installation plate is installed on the side of the tunnel, a support plate is provided on the installation plate, an elastic frame is provided on one side of the support plate, a buffer spring is connected in the elastic frame, a connecting frame is provided on one side of the elastic frame, a roller is rotatably provided in the connecting frame, installation holes are provided on the four sides of the installation plate, expansion bolts are inserted into the installation holes and are driven into the ground of the tunnel, and a reinforcing plate is provided between the support plate and the installation plate. When the head side of the vehicle collides with the safety guardrail, the roller receives the impact of the head side of the vehicle, and the roller actually rolls on the head side of the vehicle, thereby avoiding excessive wear on the head of the vehicle. The setting of the buffer spring assists the elastic buffer of the elastic frame to the lateral impact of the head of the vehicle, converts the impact force of the vehicle into the bending of the elastic frame and the compression force of the buffer spring, has good buffer effect, effectively reduces the impact force fed back to the head of the vehicle, and has high protection for the vehicle.

[0004] However, in the implementation of the related technology, the above-mentioned highway bridge safety guardrail has the following problems. The bottom stability of the safety guardrail is limited during use, and it is inconvenient to connect multiple guardrails during use. Therefore, we propose a highway bridge safety guardrail. UTILITY MODEL CONTENTS

[0005] The utility model discloses a highway bridge safety guardrail, which solves the problem of limited stability during installation of the bottom in related technology, and the inconvenience of connecting multiple guardrails, which affects the force relief effect.

[0006] The technical scheme of the utility model is as follows:

[0007] The utility model provides a highway bridge safety guardrail, including guardrail main part, fixed cone and warning light, the bottom of guardrail main part is provided with the installation bottom plate, both ends of installation bottom plate are provided with the threaded hole symmetry, the threaded hole of installation bottom plate is movably installed with fixed cone, the inner wall of fixed cone is provided with the second movable slot symmetry, the fixed cone is movably installed with side positioning cone through second movable slot, the outer wall of side positioning cone is equipped with the second spring, the top of guardrail main part is provided with warning light, the inner wall of guardrail main part is provided with telescopic cavity, both sides of telescopic cavity are provided with the limiting slot symmetry, and the inner guardrail of guardrail main part is movably installed through telescopic cavity, both sides of inner guardrail are provided with the limiting block symmetry, the lateral wall of guardrail main part is provided with the positioning hole, and the positioning pile of guardrail main part is movably installed through positioning hole, and the outer wall of the side of inner guardrail close to positioning hole is provided with the limiting hole at equal intervals.

[0008] Preferably, the inner guardrail is provided with a receiving groove on both sides, and a first guardrail is movably installed on the right side of the inner guardrail through the receiving groove.

[0009] Preferably, the outer wall of the first guardrail and the second guardrail is provided with a wire hole of the same aperture, and the first guardrail and the second guardrail are matched with each other.

[0010] Preferably, the fixed cone is provided with a circular hole at the center position, and a top cone is movably installed in the circular hole.

[0011] Preferably, the outer wall of one side of the guardrail main part is provided with a first movable slot symmetrically, a damper is installed in the guardrail main part through the first movable slot, the outer wall of the damper is provided with a first spring, one end of the damper penetrates through the outer wall of the guardrail main part and is connected with a mounting block, and the mounting block is movably installed with an anti-collision roller at one end.

[0012] Preferably, the outer wall of the fixed cone is provided with an external thread, and the fixed cone is in a conical structure.

[0013] Preferably, one end of the side positioning cone is provided with a bevel, and the other end of the side positioning cone away from the bevel is provided with a cone head.

[0014] Preferably, the limiting block is in a semi-cylindrical shape, and the limiting block and the limiting slot are matched with each other.

[0015] The working principle and beneficial effects of the utility model are as follows:

[0016] The utility model discloses a fixed cone, inner guardrail and telescopic cavity are set up, rotate fixed cone, utilize the threaded hole of installation bottom plate inner wall setting, make fixed cone move down and drill into the borehole that drills on the ground, use hammer to knock down the top cone, make the inner wall of top cone move down in fixed cone, and the side positioning cone that will extrude the inner wall movable installation of threaded hole and compress second spring at the same time moves, make the side positioning cone front end side shift and go into the inner wall of borehole of fixed cone, improve the stability after the installation of guardrail main part, when needing to connect multiple guardrail main parts, take out the inner guardrail from telescopic cavity, the limiting effect of inner guardrail is limited through the limiting block and the limiting slot and makes it vertically go up, after the inner guardrail moves in place, rotate the locating pile, make the round convex body of the front end setting of locating pile enter the limiting hole of the lateral wall setting of inner guardrail, limit the inner guardrail, take out the first guardrail and the second guardrail from the storage groove of the lateral wall setting of inner guardrail, the first guardrail and the second guardrail are mutually clamped, and the first guardrail and the second guardrail are connected and fixed using bolt, so as to connect multiple guardrail main parts, improve its integrated connectivity, increase stability, and the safety guardrail can provide the stability of its bottom, and when multiple guardrail main parts need to be connected, it is convenient to connect and improve its integrated connectivity.

[0017] The utility model discloses an installation bottom plate, warning light and anti -collision gyro wheel are set up, utilize the warning light of installation bottom plate top end setting can warn the vehicle that passes by at night, when guardrail main part is hit by vehicle, will be through the unloading of anti -collision gyro wheel rolling, and compression damper and first spring, utilize the spring of damper and first spring deformation and produce the effective buffer of collision, reduce the reaction force that car head received, protect the vehicle. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model makes further detailed explanation in combination with the specific embodiment and the drawing.

[0019] Figure 1 It is the guardrail main part structure schematic drawing that the utility model proposes;

[0020] Figure 2 It is the positioning hole structure schematic drawing that the utility model proposes;

[0021] Figure 3 It is the guardrail main part cut structure schematic drawing that the utility model proposes;

[0022] Figure 4 It is the storage groove structure schematic drawing that the utility model proposes;

[0023] Figure 5 It is the top cone structure schematic drawing that the utility model proposes;

[0024] Figure 6 It is theFigure 5 A structure of the enlarged schematic view.

[0025] In the figure: 1, guardrail main body; 2, installation bottom plate; 3, fixed cone; 4, top cone; 5, warning light; 6, inner guardrail; 7, storage groove; 8, first guardrail; 9, installation block; 10, anti-collision roller; 11, positioning pile; 12, limiting hole; 13, first movable slot; 14, telescopic cavity; 15, limiting groove; 16, positioning hole; 17, second guardrail; 18, limiting block; 19, first spring; 20, threaded hole; 21, second movable slot; 22, side positioning cone; 23, second spring; 24, damper. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to 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 of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0027] Embodiment 1: as shown in the figure, the embodiment proposes a highway bridge safety guardrail, the two sides of the inner guardrail 6 are symmetrically provided with storage grooves 7, the right side of the inner guardrail 6 is movably installed with a first guardrail 8 through the storage groove 7, and the right side of the inner guardrail 6 is movably installed with a second guardrail 17 through the storage groove 7. Figures 1-6

[0028] In the embodiment, the outer walls of the first guardrail 8 and the second guardrail 17 are provided with wire holes of the same aperture, and the first guardrail 8 and the second guardrail 17 are matched with each other.

[0029] In the embodiment, the center position of the fixed cone 3 is provided with a circular hole, and the fixed cone 3 is movably installed with a top cone 4 through the circular hole.

[0030] In the embodiment, the outer wall of the fixed cone 3 is provided with external threads, and the fixed cone 3 is in a conical structure.

[0031] In the embodiment, one end of the side positioning cone 22 is provided with a chamfered surface, and the end of the side positioning cone 22 away from the chamfered surface is provided with a cone head.

[0032] In the embodiment, the limiting block 18 is in a semi-cylindrical body, and the limiting block 18 and the limiting groove 15 are matched with each other.

[0033] Specifically as Figure 2 , Figure 4 and Figure 6 ​As shown, when the structure is used, the fixed cone 3 is rotated, the threaded hole 20 provided in the inner wall of the mounting bottom plate 2 is used to move the fixed cone 3 downward into the drilled hole in the ground, a hammer is used to knock the top cone 4 downward, the top cone 4 moves downward in the inner wall of the fixed cone 3, and at the same time, the side positioning cone 22 movably installed in the inner wall of the threaded hole 20 is squeezed and the second spring 23 is compressed, so that the front end of the side positioning cone 22 moves out of the outer wall of the fixed cone 3 and penetrates into the inner wall of the drilled hole, thereby improving the stability of the guardrail body 1 after installation. When multiple guardrail bodies 1 need to be connected, the inner guardrail 6 is pulled out from the telescopic cavity 14, the limiting effect of the limiting block 18 and the limiting groove 15 on the inner guardrail 6 makes the inner guardrail 6 move vertically upward, and when the inner guardrail 6 is moved to the position, the positioning pile 11 is rotated, the positioning hole 16 provided in the outer wall of the guardrail body 1 is used to make the circular convex body provided at the front end of the positioning pile 11 enter the limiting hole 12 provided in the side wall of the inner guardrail 6, thereby limiting the inner guardrail 6. The first guardrail 8 and the second guardrail 17 are taken out from the receiving groove 7 provided in the side wall of the inner guardrail 6, the first guardrail 8 and the second guardrail 17 are clamped with each other, and the first guardrail 8 and the second guardrail 17 are connected and fixed by using bolts, so as to connect multiple guardrail bodies 1, improve the integrated connectivity, and increase the stability. The safety guardrail can provide stability at the bottom, and when multiple guardrail bodies 1 need to be connected, the connection is convenient and the integrated connectivity is improved.

[0034] In this embodiment, the outer wall of one side of the guardrail body 1 is provided with a first movable slot 13, the guardrail body 1 is provided with a damper 24 through the first movable slot 13, the outer wall of the damper 24 is provided with a first spring 19, and one end of the damper 24 penetrates through the outer wall of the guardrail body 1 and is connected with a mounting block 9. One end of the mounting block 9 is movably installed with an anti-collision roller 10.

[0035] In this embodiment, the outer wall of one side of the guardrail body 1 is provided with a first movable slot 13, the guardrail body 1 is provided with a damper 24 through the first movable slot 13, the outer wall of the damper 24 is provided with a first spring 19, and one end of the damper 24 penetrates through the outer wall of the guardrail body 1 and is connected with a mounting block 9. One end of the mounting block 9 is movably installed with an anti-collision roller 10.

[0036] Specifically as Figure 1 , Figure 3 and Figure 5As shown, when the structure is used, the warning light 5 arranged at the top end of the mounting base 2 can warn vehicles at night, when the guardrail main body 1 is impacted by a vehicle, the force is unloaded through the rolling of the anti-collision roller 10, the damper 24 and the first spring 19 are compressed, the elastic force generated by the deformation of the damper 24 and the first spring 19 effectively buffers the impact, reduces the reaction force on the vehicle head, and protects the vehicle.

[0037] The working principle is as follows: when used, the fixed cone 3 is rotated, the fixed cone 3 is moved downward into the drilled hole in the ground through the threaded hole 20 arranged on the inner wall of the mounting base 2, the top cone 4 is knocked downward by using a hammer, the top cone 4 moves downward on the inner wall of the fixed cone 3, and in the process of moving, the side positioning cone 22 movably arranged on the inner wall of the threaded hole 20 is pressed and the second spring 23 is compressed, the front end of the side positioning cone 22 moves out of the outer wall of the fixed cone 3 and is inserted into the inner wall of the drilled hole, the stability of the installed guardrail main body 1 is improved, the warning light 5 arranged at the top end of the mounting base 2 can warn vehicles at night, when the guardrail main body 1 is impacted by a vehicle, the force is unloaded through the rolling of the anti-collision roller 10, the damper 24 and the first spring 19 are compressed, the elastic force generated by the deformation of the damper 24 and the first spring 19 effectively buffers the impact, reduces the reaction force on the vehicle head, and protects the vehicle, when a plurality of guardrail main bodies 1 need to be connected, the inner guardrail 6 is pulled out from the telescopic cavity 14, the inner guardrail 6 is vertically moved upward through the limiting effect of the limiting block 18 and the limiting groove 15, when the inner guardrail 6 is moved to the position, the positioning pile 11 is rotated, the circular convex body arranged at the front end of the positioning pile 11 is arranged in the limiting hole 12 arranged on the side wall of the inner guardrail 6 through the positioning hole 16 arranged on the outer wall of the guardrail main body 1, the inner guardrail 6 is limited, the first guardrail 8 and the second guardrail 17 are taken out from the storage groove 7 arranged on the side wall of the inner guardrail 6, the first guardrail 8 and the second guardrail 17 are clamped with each other, the first guardrail 8 and the second guardrail 17 are connected and fixed through bolts, a plurality of guardrail main bodies 1 are connected in this way, the integrated connectivity is improved, the stability is increased, the safety guardrail can provide the stability of the bottom, when a plurality of guardrail main bodies 1 need to be connected, the integrated connectivity is improved, when a vehicle collides with the guardrail main body 1, the impact degree can be reduced, and the driver in the vehicle is protected.

[0038] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A highway bridge safety fence comprising a fence body (1), a fixed cone (3) and a warning light (5), characterized in that: The bottom end of the guardrail body (1) is provided with a mounting bottom plate (2), the two ends of the mounting bottom plate (2) are symmetrically provided with threaded holes (20), the mounting bottom plate (2) is movably mounted with a fixed cone (3) through the threaded holes (20), the inner wall of the fixed cone (3) is symmetrically provided with a second movable slot (21), the fixed cone (3) is movably mounted with a side positioning cone (22) through the second movable slot (21), the outer wall of the side positioning cone (22) is movably mounted with a second spring (23), the top end of the guardrail body (1) is provided with a warning light (5), the inner wall of the guardrail body (1) is provided with an extension cavity (14), the two sides of the extension cavity (14) are symmetrically provided with limiting grooves (15), the guardrail body (1) is movably mounted with an inner guardrail (6) through the extension cavity (14), the two sides of the inner guardrail (6) are symmetrically provided with limiting blocks (18), the side wall of the guardrail body (1) is provided with a positioning hole (16), the guardrail body (1) is movably mounted with a positioning pile (11) through the positioning hole (16), and the outer wall of the inner guardrail (6) on one side close to the positioning hole (16) is movably provided with a limiting hole (12) at equal intervals.

2. A highway bridge safety barrier according to claim 1, wherein The two sides of the inner guardrail (6) are symmetrically provided with receiving grooves (7), the right side of the inner guardrail (6) is movably mounted with a first guardrail (8) through the receiving groove (7), and the right side of the inner guardrail (6) is movably mounted with a second guardrail (17) through the receiving groove (7).

3. A highway bridge safety barrier according to claim 2, wherein, The outer wall of the first guardrail (8) and the second guardrail (17) is movably provided with a silk hole with the same hole diameter, and the first guardrail (8) and the second guardrail (17) are matched with each other.

4. A highway bridge safety barrier according to claim 2, wherein The center of the fixed cone (3) is movably provided with a circular hole, and the fixed cone (3) is movably mounted with a top cone (4) through the circular hole.

5. A highway bridge safety barrier according to claim 3, wherein The outer wall of one side of the guardrail body (1) is symmetrically provided with a first movable slot (13), the guardrail body (1) is movably mounted with a damper (24) through the first movable slot (13), the outer wall of the damper (24) is movably mounted with a first spring (19), one end of the damper (24) penetrates through the outer wall of the guardrail body (1) and is connected with a mounting block (9), and one end of the mounting block (9) is movably mounted with an anti-collision roller (10).

6. A highway bridge safety barrier according to claim 5, wherein, The outer wall of the fixed cone (3) is movably provided with an external thread, and the fixed cone (3) is in a conical structure.

7. A highway bridge safety barrier according to claim 6, wherein One end of the side positioning cone (22) is movably provided with a chamfered surface, and the end of the side positioning cone (22) away from the chamfered surface is movably provided with a cone head.

8. A highway bridge safety barrier according to claim 5, wherein, The limiting block (18) is in a semi-cylindrical shape, and the limiting block (18) and the limiting groove (15) are matched with each other.

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