Connecting device of fabricated precast concrete member

Abstract

The invention discloses a connecting device of a fabricated precast concrete member. The connecting device comprises four upper shells, lower shells are arranged on the lower surfaces of the four upper shells correspondingly, first limiting sliding blocks are arranged on the adjacent sides of the upper shells and the lower shells correspondingly, first limiting sliding blocks are welded to the front surfaces of the upper shells and the front surfaces of the lower shells correspondingly, and the outer side walls of the first limiting sliding blocks are connected with the inner side walls of first limiting sliding grooves in a sliding mode. The upper shells and the lower shells are combined and assembled on the first limiting sliding grooves through the first limiting sliding blocks according to the number of steel bars on the prefabricated concrete member, then the steel bars on the prefabricated concrete member are clamped, unified grouting is conducted on the steel bars on the prefabricated concrete member, time and labor are saved, the stability between the upper shells and the lower shells is improved, the grouting effect on the steel bars on the prefabricated concrete member isimproved, meanwhile, an arc-shaped plate is matched with a spring to clamp a grouting pipe, and the labor intensity of workers is relieved.

Description

technical field [0001] The invention relates to the technical field of concrete prefabricated components, in particular to a connection device for assembled prefabricated concrete components. Background technique [0002] The technical system of prefabricated buildings is mainly based on concrete structure systems, such as prefabricated concrete frame structures and prefabricated concrete shear wall structures. In prefabricated concrete structures, the reinforcement connection of prefabricated concrete components (such as beams, columns, shear walls, etc.) is the focus of prefabricated construction. At present, the main steel connection methods used in prefabricated concrete components are grouting sleeve connection and grout anchor. lap connections etc. The connecting sleeve of the grouting sleeve is manufactured by casting technology. The connection between the steel bar and the sleeve is filled with high-strength micro-expansion cement-based material to complete the conn...

AI Technical Summary

Problems solved by technology

[0003] In the process of using the existing connecting device for prefabricated concrete components, when connecting the precast concrete components, a single sleeve is usually used to grout the steel bars on the prefabricated concrete components one by one. This grouting method is not only time-consuming and laborious , and the stability between the sleeves is poor, resulting in a poor fixing effect on the steel grouting on the prefabricated concrete components, and when grouting the sleeves, the staff needs to hold the grouting pipe for grouting, which increases the labor intensity of the staff , for this purpose, a connection device for prefabricated concrete components is proposed

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