Plug-in self-locking connection device and its application and installation method on beam-column structure

Abstract

The present invention discloses an insertable self-locking connection device and its application and installation method on a beam-column structure, relating to the field of building assembly technology, including a device bundle with a connecting threaded rod installed therein, the device bundle including a fixed sleeve with an installation cavity provided therein and a tapered cylindrical surface, and an internal thread provided on the inner wall of the fixed sleeve; an end connecting piece, which is threadedly installed on the end of the fixed sleeve and sleeved on the end of the connecting threaded rod; a conical tooth assembly, including a plurality of tooth plates, which are provided with teeth and movably abut against the connecting threaded rod; an elastic open steel ring, which surrounds and connects the plurality of tooth plates in a conical cylindrical shape and is sleeved on the connecting threaded rod; a tightening spring, one end of which abuts against the conical tooth assembly and the other end abuts against the end connecting piece, so as to solve the technical problems of the prior art in that the operation is complicated at the node installation, the operating space is small, and it is difficult to achieve convenient, effective and fast installation.

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