A socket type keyway type steel pipe support connection device

Abstract

The invention provides a socket type keyway type steel pipe support connection device, which comprises a socket base and a tapered protrusion arranged on the socket base, and the center of the socket base is a circular hole. The shape of the tapered convex head is narrow inside and wide outside, narrow at the top and wide at the bottom. It also includes a socket base, and the socket base includes a plug-in, a retainer, a spring and a locking pin. The front end of the plug-in includes a tapered groove matching the tapered protrusion, and the rear end of the plug-in is connected with a locking pin. The blocking piece is L-shaped, and a positioning hole is arranged on the vertical surface of the upper part of the L-shape. The free height of the spring is adapted to the length of the lock pin, and the inner diameter of the spring is adapted to the outer diameter of the lock pin and the diameter of the positioning hole. The lock pin passes through the positioning hole, and the spring passes through the outside of the lock pin, and is fixed between the pin head and the positioning hole by the pin head of the lock pin. The connection method of the invention is safe and stable, has strong bearing capacity, can realize multi-angle and different-height connections between vertical rods and oblique rods, is simple and convenient to install and disassemble, can effectively improve the work efficiency of construction personnel, and improve the utilization rate of materials.

Description

Technical field [0001] The invention relates to the field of steel pipe scaffolds, in particular to a socket type key groove type steel pipe support connecting device. Background technique [0002] At present, there are many steel pipe brackets used on construction sites, and there are mainly two connecting devices between vertical poles and diagonal poles: the first type, referring to the patent document No. 201320146071.3, provides a quick loading and unloading scaffold connection device, including The oblique support in the middle, the front and back of the oblique support are mutually perpendicular transverse support and longitudinal support, the oblique support, the transverse support and the longitudinal support are a whole; the oblique support The seat is octagonal; the middle part of the oblique support is a support hole; the support wall in the vertical direction of the support hole is provided with a pin hole. The advantage of this connecting device is that it can conn...

AI Technical Summary

Problems solved by technology

But there are two disadvantages: one is that the quality of the connection is significantly affected by the quality of the connection device itself and the operation of the worker; the other is that the bearing capacity is poor

But there are also two disadvantages: one is the thread structure, which is firmly connected, but it takes time and effort to install and disassemble, especially after the scaffold has been used for a long time, due to rain, it will cause corrosion, the thread and the nut are often rusted, and it is very difficult to disassemble; The rods at the nodes are connected eccentrically, relying on the anti-sliding force to transmit loads and internal forces, so the bearing capacity is poor

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