Prefabricated beam transverse movement and vertical falling device and beam falling method

Abstract

The invention discloses a prefabricated beam transverse movement and vertical falling device and a beam falling method, belongs to the technical field of bridge project construction, and particularly relates to a device and a construction method for solving the problems that in tunnels, bridge and cave mouth connecting sections, small arc bridge, gate bridges and other construction parts where due to influences from the geographical environment, transverse movement and vertical erecting installation safety hidden danger is large. The device comprises a sliding rail and a sliding beam. The sliding beam is arranged in the sliding rail. A jack clamping groove is fixed to the sliding beam, a jack is fixed to the jack clamping groove, and a prefabricated beam bottom support is fixed to the jack. The prefabricated beam transverse movement and vertical falling device and the beam falling method have the beneficial effects that the jack is combined in the device, firstly, the system is vertically in an ascending state in the vertical direction, then a prefabricated beam horizontally slides to the to-be-erected position, finally, the system falls down in the vertical direction, and the prefabricated beam is erected on a bridge support. The device is high in stability, safe, reliable, easy to install and debug and suitable for transverse movement of prefabricated beams of various bridges at different parts, and the purpose of one-step completion of transverse movement and vertical beam falling erecting can be achieved.

Description

technical field [0001] The invention belongs to the technical field of bridge engineering construction, and is especially used to solve tunnels, bridge-to-cave connection sections, small arc bridges, gate bridges, etc., which cannot be erected normally due to the influence of geographical environment and have large safety hazards in lateral movement and vertical erection. The device and construction method of the construction site. Background technique [0002] With the rapid development of my country's expressway network, highway bridges, as the main measures for expressway crossing ditches and rivers and adjusting height differences, are the focus of expressway development. With the acceleration of domestic highway and bridge construction, precast concrete beams are more and more widely used because their manufacturing quality is easy to control and they are not affected by the construction period of the lower part of the bridge. However, due to the particularity of expre...

AI Technical Summary

Problems solved by technology

However, due to the particularity of expressway planning limited by terrain and other conditions, such as the tunnel, the bridge-to-cave connection section, the ramp bridge, the small arc bridge, etc., cannot be erected in place by the highway public bridging machine due to the influence of the geographical environment, and affected by the environment restrictions, and it is not possible to use other hoisting equipment for construction

[0003] At present, simple tools such as manual gourds and steel rods are mostly used in domestic construction for lateral movement. It is difficult to ensure the stability of the beam body during horizontal movement and vertical installation, and the safety risk is extremely high, which is likely to cause safety accidents

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