Vertical rapid positioning device for latticed column installation and installation positioning method

Abstract

The invention provides a vertical rapid positioning device and method for latticed column installation. The device comprises a steel ring, a horizontal connecting piece and a corner connecting unit. The steel ring is used for clamping the vertical quick positioning device for mounting the latticed column on the inner wall of a steel casing, the steel ring is arranged on the latticed column in a sleeving manner, and a mounting gap is formed between the steel ring and the latticed column; one end of the horizontal connecting piece is fixed on the right-angle side of the latticed column, and the other end of the horizontal connecting piece is fixed on the inner wall of the steel ring; the horizontal connecting pieces are symmetrically arranged; the corner connecting unit comprises an upper corner connecting piece and a lower corner connecting piece which are symmetrically arranged relative to the steel ring; the upper corner connecting pieces and the lower corner connecting pieces are symmetrically arranged; one end of the upper corner connecting piece and one end of the lower corner connecting piece are both fixed to the steel ring, and the other end of the upper corner connecting piece and the other end of the lower corner connecting piece are both fixed to the right-angle position of the latticed column. According to the method, perpendicularity positioning is conducted on the latticed column underground, and vertical stress of the latticed column in the vertical direction is guaranteed.

Description

technical field [0001] The invention belongs to the technical field of lattice column equipment, and in particular relates to a vertical quick positioning device for lattice column installation and an installation and positioning method. Background technique [0002] As a compression-bending member, lattice columns are widely used for supporting and stabilizing foundation pits. However, the lattice column is the force-transmitting structure of the self-weight of the inner support system, and its vertical deviation is too large, which will inevitably cause the eccentric compression of the lattice column members, resulting in a hidden safety hazard of the supporting structure. [0003] In order to ensure the verticality of the lattice column, the existing conventional practice is to use the self-gravity of the lattice column when hoisting the lattice column and the way of setting a cross line on the top of the casing combined with the hanging hammer to control, and then reinfo...

AI Technical Summary

Problems solved by technology

However, for the situation where the top of the lattice column is buried in the ground, after the bored pile is poured, the steel casing needs to be pulled out and the drilled part of the pile must be backfilled, because the lattice column does not extend to the ground opening, so it is not easy Carry out secondary reinforcement and positioning at the hole

In the process of pulling out the conduit and the steel casing, the lattice column is easy to be inclined, resulting in a large deviation of verticality

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