Machining equipment for prefabricated box girder web steel bar frame

Abstract

The invention discloses machining equipment for a prefabricated box girder web steel bar frame. The equipment comprises an outer positioning device, a stretching device and a distributing device, wherein the outer positioning device comprises a first longitudinal positioning plate for connecting transverse steel bar frames and a plurality of first transverse positioning frames, the two first longitudinal positioning plates are arranged in the plurality of first transverse positioning frames in parallel, and the first transverse positioning frames are connected with first steel bar position adjusting assemblies; the stretching device comprises a first stretching support seat and a second stretching support seat, which are connected with the first transverse positioning frames; the first stretching support seat is connected with one ends of longitudinal steel bars by first steel bar straightening assemblies, and the second stretching support seat is connected with the other ends of the longitudinal steel bars by second steel bar positioning assemblies; the distributing device comprises two first rails arranged on two sides of the outer positioning device and a distributing trolley connected to the first rails. The equipment has the advantages of being high in machining and installation efficiency for the box girder steel bar frame, novel in structure and high in safety, and facilitating machining.

Description

technical field [0001] The invention relates to the field of engineering machinery, in particular to processing equipment for prefabricating the abdominal reinforcement frame of a box girder. Background technique [0002] The box girder is a kind of beam in bridge engineering. The inside of the box girder is hollow, and there are flanges on both sides of the upper part, which is similar to a box, hence the name. The box girder of reinforced concrete structure is divided into prefabricated box girder and cast-in-place box girder. The prefabricated box girder combined with the bridge erecting machine can be erected after the completion of the substructure, which can speed up the progress of the project and save the construction period; the cast-in-place box girder is mostly used for large continuous bridges. Commonly divided by materials, there are two main types, one is prestressed reinforced concrete box girder, and the other is steel box girder. Among them, the prestresse...

AI Technical Summary

Problems solved by technology

[0003] The prefabricated box girder web reinforcement frame includes vertically placed longitudinal reinforcement and horizontally placed transverse reinforcement frame. Currently, in prefabricated box girder construction, the bottom web reinforcement material of the box girder is basically artificially distributed, and the construction efficiency is low, and the labor input is relatively large. Many, the construction is inconvenient, the labor intensity of the workers is high, and the construction progress is slow, thus increasing the construction cost

In addition, the longitudinal reinforcement is fixedly connected to the horizontal reinforcement frame, but the current longitudinal reinforcement is generally placed after manual straightening, and there is no special equipment for stretching the ends of the longitudinal reinforcement, which will cause the longitudinal reinforcement of the box girder belly Rebar is not straight

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