A safety guardrail structure for highway bridge

Abstract

The utility model discloses a safety guardrail structure for a highway bridge, which relates to the technical field of safety guardrails and comprises a base plate, a support rod is fixedly connected to the upper part of the base plate, the support rod is a hollow structure, a top cap is arranged on the top of the support rod, a connecting rod is arranged between the support rod and another support rod, a baffle is arranged at the front end of the support rod, a plurality of threaded recesses with threaded grooves are equidistantly arranged on the side of the support rod, the top cap can be conveniently disassembled through the design of the top cap, so that the top cap can not only be freely designed to increase recognition but also be convenient for disassembly and replacement, the connecting rod is a hollow structure, water inlets and outlets connected to internal through holes are arranged at both ends of the connecting rod, ball valves are installed in the water inlets and outlets, and liquid can be poured into the connecting rod to adjust the counterweight of the guardrail through the design of the inlet and outlet and the ball valve, so that the connecting rod is lighter and convenient for installation, and the poured liquid can increase the stability of the guardrail.

Description

Technical Field

[0001] The utility model relates to the field of safety guardrails, in particular to a safety guardrail structure for highway bridges. Background Art

[0002] With the rapid development of urban highway construction, road traffic safety facilities as road infrastructure play a vital role in road traffic safety. Traffic guardrails as one of the indispensable traffic facilities for road traffic have made great progress in recent years and have played a very important role in improving urban traffic order and civilized traffic behavior. However, the existing safety guardrails adjust the counterweight of the guardrails, and the general guardrail structure is simply to prevent the vehicle from absorbing the impact force after the collision. However, since the guardrail structure is also made of steel structure, the deformed guardrail structure is prone to the situation where the railings are inserted into the vehicle body, and the energy absorption effect of the vehicle impact force is not sufficient; therefore, the present application designs a safety guardrail structure for highway bridges to solve the above problems. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and proposes a safety guardrail structure for a highway bridge.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a safety guardrail structure for a highway bridge, comprising a base plate, a support rod is fixedly connected to the upper part of the base plate, the support rod is a hollow structure, a top cap is provided on the top of the support rod, a connecting rod is provided between the support rod and another support rod, a baffle is provided at the front end of the support rod, and a plurality of threaded recesses with threaded grooves are equidistantly provided on the side of the support rod.

[0005] Preferably, the connecting rod is a hollow structure, and water inlets and outlets communicating with the internal through holes are formed at both ends of the connecting rod, and ball valves are installed in the water inlets and outlets.

[0006] Preferably, four bolt holes are symmetrically opened on the top of the base plate, and the base plate is fixed on the plane by four bolts.

[0007] Preferably, triangular reinforcing ribs are provided around the bottom of the support rod, and the reinforcing ribs and the bottom plate are fixedly connected to the support rod.

[0008] Preferably, positioning holes are provided at both ends of the front of the baffle, a through rectangular groove is provided at the front end of the baffle, and the positioning holes cooperate with the threaded holes on the support rods and are fixed by bolts.

[0009] Preferably, threaded protrusions are provided at both ends of the connecting rod, and the threaded protrusions are matched and connected with thread grooves on the threaded recesses.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: in the utility model, through the design of the top cap, the top cap can be conveniently installed and removed, so that the top cap can not only be freely designed to increase recognition but also be easy to disassemble and replace; through the design of the inlet and outlet and the ball valve, liquid can be poured into the connecting rod to adjust the weight of the guardrail, making the connecting rod lighter and easier to install. At the same time, the poured liquid can increase the stability of the guardrail and effectively avoid the situation where the guardrail structure is inserted into the vehicle body; through the design of the reinforcing ribs, the support rod is more stable, avoiding the shaking of the guardrail and reducing the service life of the guardrail. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0012] Figure 1 This is a schematic diagram of the main structure proposed by the utility model;

[0013] Figure 2 It is a schematic diagram of the three-dimensional structure proposed by the utility model;

[0014] Figure 3 This is a schematic diagram of the three-dimensional structure of the support column proposed by the utility model;

[0015] Figure 4 This is a schematic diagram of the main structure of the baffle proposed by the utility model;

[0016] Figure 5 This is a schematic diagram of the cross-sectional structure of the connecting rod proposed by the utility model.

[0017] Serial numbers in the figure: 1, bottom plate; 2, support rod; 3, top cap; 4, connecting rod; 5, ball valve; 6, baffle; 7, reinforcing rib; 8, threaded recess; 9, rectangular groove; 10, positioning hole; 11, water inlet and outlet; 12, threaded protrusion. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] Example: See Figure 1-5A safety guardrail structure for a highway bridge in the utility model comprises a base plate 1, a support rod 2 is fixedly connected to the upper part of the base plate 1, the support rod 2 is a hollow structure, a top cap 3 is arranged on the top of the support rod 2, a connecting rod 4 is arranged between the support rod 2 and another support rod 2, a baffle 6 is arranged at the front end of the support rod 2, and a plurality of threaded recesses 8 with threaded grooves are equidistantly arranged on the side of the support rod 2. Through the design of the top cap 3, the top cap 3 can be conveniently disassembled, so that the top cap 3 can not only be freely designed to increase recognition but also be easy to disassemble and replace.

[0020] In the utility model, the connecting rod 4 is a hollow structure, and both ends of the connecting rod 4 are provided with water inlets and outlets 11 connected to the internal through holes, and a ball valve 5 is installed in the water inlet and outlet 11. Through the design of the water inlet and outlet 11 and the ball valve 5, liquid can be poured into the connecting rod 4 to adjust the counterweight of the guardrail, making the connecting rod 4 lighter and easier to install. At the same time, the liquid poured in can increase the stability of the guardrail.

[0021] In the utility model, four bolt holes are symmetrically opened on the top of the base plate 1, and the base plate 1 is fixed on the plane by four bolts. Through the design of the base plate 1, the guardrail can be better fixed to the ground; triangular reinforcing ribs 7 are arranged around the bottom of the support rod 2, and the reinforcing ribs 7 and the base plate 1 are fixedly connected with the support rod 2. Through the design of the reinforcing ribs 7, the support rod 2 is more stable, avoiding the shaking of the guardrail and reducing the service life of the guardrail.

[0022] In the utility model, positioning holes 10 are provided at both ends of the front of the baffle 6, and a through rectangular groove 9 is provided at the front end of the baffle 6. The positioning holes 10 cooperate with the threaded holes on the support rod 2 and are fixed by bolts. Through the design of the baffle 6, the weight of the baffle 6 is lighter and the fixation is more convenient; threaded protrusions 12 are provided at both ends of the connecting rod 4, and the threaded protrusions 12 are cooperated and connected with the threaded grooves on the threaded recessed block 8. Through the design of the threaded protrusions 12 and the threaded recessed block 8, the installation and disassembly of the connecting rod 4 is more convenient.

[0023] Working principle: When the utility model is used, first fix the bottom plate 1 to the ground with bolts, then fix the top cap 3 on the support rod 2, then thread the connecting rod 4 with the ball valve 5 on the support rod 2, then fix the baffle 6 on the support rod 2, finally open the ball valve 5 and pour liquid into the connecting rod 4 to increase the counterweight of the guardrail. When disassembling, first open the ball valve 5 at the outlet of the connecting rod 4 to recover the counterweight liquid, then remove the bolts of the baffle 6, then remove the connecting rod 4, and finally remove the bolts on the bottom plate 1, and the installation and disassembly are completed.

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A safety guardrail structure for a highway bridge, comprising a bottom plate (1), characterized in that: A support rod (2) is fixedly connected to the upper part of the bottom plate (1); the support rod (2) is a hollow structure; a top cap (3) is provided on the top of the support rod (2); a connecting rod (4) is provided between the support rod (2) and another support rod (2); a baffle (6) is provided at the front end of the support rod (2); and a plurality of threaded recesses (8) with threaded grooves are equidistantly provided on the side of the support rod (2).

2. A safety guardrail structure for a highway bridge according to claim 1, characterized in that: The connecting rod (4) is a hollow structure, and water inlets and outlets (11) communicating with the internal through hole are provided at both ends of the connecting rod (4), and ball valves (5) are installed in the water inlets and outlets (11).

3. A safety guardrail structure for a highway bridge according to claim 2, characterized in that: Four bolt holes are symmetrically provided on the top of the base plate (1), and the base plate (1) is fixed on a plane by means of four bolts.

4. A safety guardrail structure for a highway bridge according to claim 3, characterized in that: The bottom of the support rod (2) is provided with triangular reinforcement ribs (7) around each other, and the reinforcement ribs (7) and the bottom plate (1) are fixedly connected to the support rod (2).

5. A safety guardrail structure for a highway bridge according to claim 4, characterized in that: Positioning holes (10) are provided at both ends of the front of the baffle plate (6), a through rectangular groove (9) is provided at the front end of the baffle plate (6), and the positioning holes (10) cooperate with the threaded holes on the support rod (2) and are fixed by bolts.

6. A safety guardrail structure for a highway bridge according to claim 5, characterized in that: Threaded protrusions (12) are provided at both ends of the connecting rod (4), and the threaded protrusions (12) are matched and connected with threaded grooves on the threaded recessed blocks (8).

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