CN207295477U - A kind of bridge lower part construction safety protection column - Google Patents

Abstract

A construction safety guardrail for the lower part of a bridge, comprising a group of interconnected guardrails, a metal base plate with one end welded to the bottom of the guardrail and fixedly connected to the bridge deck; the guardrail includes a rectangular frame (1) welded by square steel pipes, mounted on a rectangular The upper metal mesh (2) and the lower metal foot plate (3) in the frame are provided with channel steel (8) between the adjacent guardrails, and the adjacent guardrails pass through the vertical rods (1a) of the rectangular frame ) is connected with the bolt (4) of the channel steel; the metal base plate includes a base plate frame (5) with one end welded to the bottom of the rectangular frame, a metal plate (9) welded on the base plate frame and its inner end welded to the metal foot plate, the base plate The bottom surface of the frame is inserted into the pre-embedded steel bar of the bridge protective wall and tightened with bolts, and the adjacent bottom plate frames are connected by bolts. The utility model has the advantages of flexible and convenient disassembly and assembly, good protection performance, safety and reliability, and can be used repeatedly.

Description

A kind of bridge lower part construction safety protective fence

technical field

The utility model belongs to the technical field of building construction safety protection devices, and is mainly used in the technical field of border protection such as bridge tie beams and cover beams in highway engineering.

Background technique

The construction of tie beams and cover beams of bridges has always been a high-risk work, and there are many safety accidents. In general, scaffolding and safety protection nets are required for the edge protection of high-altitude bridge operations, which has long erection time, complicated erection, difficult dismantling, and high construction costs. Shortcomings such as difficult turnover and other shortcomings make the construction of bridge tie beams and cap beams not only fail to significantly improve safety, but increase the difficulty of work, lengthen the working time of construction personnel at high altitudes, and increase the difficulty of safety management.

Contents of the invention

The purpose of the utility model is to solve the above-mentioned shortcomings in the prior art, and provide a safety barrier for the construction of the lower part of the bridge which is flexible and convenient to disassemble, has good protection performance, and is safe and reliable.

In order to achieve the above object, the technical scheme adopted by the utility model is as follows

A construction safety guardrail for the lower part of a bridge, comprising a group of interconnected guardrails, a set of metal bottom plates welded to the bottom of the guardrails at one end and fixedly connected with the bridge deck; the guardrails include a rectangular frame welded by square steel pipes, The metal mesh at the upper part and the metal foot plate at the lower part are provided with channel steel between the adjacent guardrails, and the adjacent guardrails are connected by bolts passing through the rectangular frame pole and the channel steel; the metal bottom plate includes One end is welded to the floor frame at the bottom of the rectangular frame, and the metal plate is welded to the floor frame and the inner end is welded to the metal foot plate. The bottom of the floor frame is inserted into the pre-embedded steel bar of the bridge protective wall and tightened with bolts. Between the adjacent floor frames Connected by bolts.

In the utility model, horizontal square steel pipes are welded in the rectangular frame as reinforcing ribs; square steel pipes are welded in the bottom plate frame as reinforcing ribs in the bottom plate frame. Steel connecting pieces are connected between the bottoms of the rectangular frames of adjacent guardrails.

The overall structure of the utility model is L-shaped, which integrates high-altitude safety protection and provides a safe and stable construction work platform for construction workers. Its structure is simple, stable and safe, easy to disassemble and assemble, and has good protection performance. The utility model has the advantages of standardized appearance, easy turnover, beautiful appearance and effectiveness.

Description of drawings

Fig. 1 is the schematic diagram of guardrail elevation of the present utility model;

Fig. 2 is a side view of the utility model.

Detailed ways

As shown in Fig. 1 and Fig. 2, a construction safety guardrail for the lower part of a bridge has an L-shaped overall structure, including a group of interconnected guardrails, a set of metal base plates 5 welded to the bottom of the back of the guardrail and fixedly connected to the bridge deck . The guardrail includes a rectangular frame 1 welded by square steel pipes, a metal mesh 2 installed in the upper part of the rectangular frame and a metal foot plate 3 at the lower part. Horizontal square steel pipes are welded in the rectangular frame 1 as reinforcing ribs 7 . A channel steel 8 is added between the adjacent guardrails to enhance the structural strength of the guardrails, and the adjacent guardrails are connected by bolts 4 passing through the rectangular frame vertical rod 1a and the channel steel 8 . A steel connecting piece 10 is connected between the bottoms of the rectangular frames 1 of adjacent guardrails to enhance the structural stability of the guardrails. The metal base plate includes a base plate frame 5 welded to the bottom of the rectangular frame 1 at one end, a metal plate 9 welded on the base frame and the inner end is welded to the metal foot plate 3, the bottom surface of the base plate frame is inserted into the pre-embedded steel bar of the bridge protective wall and tightened with bolts , so that the entire metal bottom plate is stable and does not shake. Square steel pipes are welded in the bottom frame 5 as bottom frame reinforcing ribs 6 , and the adjacent bottom frames are connected by bolts 4 . The metal foot plate of the utility model is used to prevent objects from falling and hurting people. It can be sprayed with red and white paint, which is beautiful and rust-proof. The metal bottom plate can be used as an additional construction platform to provide a safe and stable construction work platform for construction workers. The utility model integrates high-altitude safety protection and provides a safe and stable construction operation platform for construction workers. It can be made into various product series, and can be matched at will to form different lengths to meet the requirements of various construction sites.

Claims (3)

1. A construction safety guardrail for the lower part of a bridge is characterized in that it comprises a group of interconnected guardrails, one end welded at the bottom of the guardrail and a group of metal base plates fixedly connected with the bridge deck; the guardrail comprises a square steel pipe welded rectangular The frame (1), the upper metal mesh (2) and the lower metal foot plate (3) installed in the rectangular frame, channel steel (8) is added between the adjacent guardrails, and the adjacent guardrails pass through The bolts (4) passing through the vertical rod (1a) of the rectangular frame and the channel steel (8) are connected; the metal bottom plate includes a bottom frame (5) with one end welded to the bottom of the rectangular frame (1), welded on the bottom frame The end and the metal plate (9) welded to the metal foot plate (3), the bottom surface of the base plate frame is inserted into the pre-embedded steel bar of the bridge protective wall and tightened with bolts, and the adjacent base plate frames are connected by bolts (4). 2. A kind of bridge bottom construction safety guardrail according to claim 1, is characterized in that, in rectangular frame (1), be welded with horizontal square steel pipe as reinforcing bar (7); Weld in floor frame (5) There are square steel pipes as the reinforcing ribs (6) of the base plate frame. 3. The safety protection fence for the construction of the lower part of the bridge according to claim 1 or 2, characterized in that steel connecting pieces (10) are connected between the bottoms of the rectangular frame (1) of the adjacent protection fences.