Concrete filled steel tube support connecting device

Abstract

The invention discloses a concrete filled steel tube support connecting device. The concrete filled steel tube support connecting device can facilitate in-site construction casting and achieve stablyconnection of a concrete filled steel tube support. During connecting construction, a worker only needs to mount parts such as anchor rods of a positioning and tensioning module I and a positioning and tensioning module II, then extends the positioning and tensioning module I and the positioning and tensioning module II into the steel tubes of the concrete filled steel tube support respectively, clamps a connecting module between the positioning and tensioning module I and the positioning and tensioning module II, welds axial connecting modules and fills in concrete grout to complete a connection process. The concrete filled steel tube support connecting device is good in connecting stability, high in bearing capacity, stable and reliable in axial and radial connection and tensioning and capable of effectively ensuring the connecting safety and firmness of the concrete filled steel tube support and facilitating construction.

Description

technical field The invention relates to a connecting device for a steel tube concrete support, and belongs to the technical field of steel tube concrete. Background technique Concrete-filled steel tube support is a modern component composed of concrete filled in the steel tube shell. With the help of the binding force of the steel tube shell, the concrete is in a three-way compression state, so that the sandwich concrete has higher compressive strength and deformation resistance. Concrete and steel pipe shells bear axial pressure together, which are used in high-rise buildings, arch bridges, highway overpasses, subway stations, etc. The connection of the current steel pipe concrete support is generally relatively simple, and only rely on the connection of concrete or steel pipes for rigid connection. The connection of radial force is difficult to achieve balance, and the stability and on-site construction connection cannot be guaranteed. Aiming at the above problems, th...

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Problems solved by technology

The connection of the current steel pipe concrete support is generally relatively simple, and only rely on the connection of concrete or steel pipes for rigid connection. The connection of radial force is difficult to achieve balance, and the stability and on-site construction connection cannot be guaranteed

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