Pedestrian overpass integral hoisting protection device

Abstract

The invention discloses a pedestrian overpass integral hoisting protection device, and belongs to the field of hoisting protection. The pedestrian overpass integral hoisting protection device comprises a moving box, wherein two symmetrical transverse plates are fixedly connected to the inner wall of the bottom side of the moving box, rotating shafts are rotationally connected to the opposite sides of the two transverse plates respectively, first bevel gears are fixedly connected to the ends, close to each other, of the two rotating shafts respectively, a driving shaft is rotationally connected to the right side of the moving box, a rotating handle is fixedly connected to the right end of the driving shaft, the driving shaft extends into the moving box and is fixedly connected with a second bevel gear, the second bevel gear is meshed with the first bevel gears, two telescopic rods are fixedly connected to the sides, away from each other, of the two transverse plates respectively, and the two telescopic rods extend to the outside of the moving box and are fixedly connected with a moving plate. The device can avoid the situation that the life health of mounting personnel is impaired when the mounting personnel are reversely pulled due to swinging of a bridge after the bridge is hoisted by a hoisting device in the overpass mounting process.

Description

technical field [0001] The invention relates to the field of hoisting protection, more specifically, to an integral hoisting protection device for pedestrian bridges. Background technique [0002] Pedestrian bridges are also known as pedestrian overpasses. It is generally built in areas with large traffic volume and dense pedestrians, or on intersections, squares and railways. Pedestrian bridges only allow pedestrians to pass, and are used to avoid conflicts when the planes of traffic and pedestrians intersect, ensure people's safe crossing, increase vehicle speed, and reduce traffic accidents. [0003] When the pedestrian bridge is installed, it is often installed as a whole. In the installation process of some small pedestrian bridges, after the bridge is hoisted by the hoisting device, in order to avoid the large shaking of the bridge and the inability to directly align the bridge to the bridge column In general, the installer needs to stand on the bridge column and use...

AI Technical Summary

Problems solved by technology

[0003] When the pedestrian bridge is installed, it is often installed as a whole. In the installation process of some small pedestrian bridges, after the bridge is hoisted by the hoisting device, in order to avoid the large shaking of the bridge and the inability to directly align the bridge to the bridge column In general, the installer needs to stand on the bridge column and use the rope connected to the hoisting device for auxiliary pulling, but because the bridge is heavy, sometimes the kinetic energy generated when swinging is relatively large, and it is easier to pull the installer in the opposite direction through the rope , causing damage to the life and health of installers

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