Multi-angle adjustable scaffold steel tube and steel tube scaffold

Abstract

The invention provides a multi-angle adjustable scaffold steel tube and a steel tube scaffold. The steel tube is a cross rod or a horizontal inclined rod and further comprises lock heads, connecting pieces, socket-and-spigot substrates and connecting parts. The lock heads are flat, a long groove is formed in the middle of each lock head, and through holes are symmetrically formed in the two sides of each lock head. One end of each connecting piece is embedded into the long groove of the corresponding lock head and provided with a second through hole corresponding to the corresponding through hole, and the other end of each connecting piece is connected with the corresponding socket-and-spigot substrate. The tail ends of the socket-and-spigot substrates are connected with the connecting pieces, the head ends of the socket-and-spigot substrates comprise conical grooves, the inner portions of the conical grooves are narrower than the outer portions of the conical grooves, the upper portions of the conical grooves are narrower than the lower portions of the conical grooves, and the direction of the conical grooves is parallel to the direction of the connecting pieces. The connecting parts connect the through holes and the second through holes in a penetrating mode, the cross rod or the horizontal inclined rod and the socket-and-spigot substrates can relatively move with the connecting parts as pivots. According to the scaffold steel tube, the length and the angle can be adjusted, the angle adjusting activity range is wide, and the length is flexibly, easily and conveniently adjusted. The steel tube scaffold is high in overall stability, simple in structure, convenient to install and detach, safe and reliable.

Description

technical field [0001] The invention relates to the field of steel pipe scaffolding, in particular to a multi-angle adjustable scaffold steel pipe and steel pipe scaffolding. Background technique [0002] At present, the composition of traditional steel pipe scaffolding generally includes vertical rods, horizontal rods, oblique rods and connecting fasteners. The connection between vertical rods and horizontal rods or oblique rods is mainly realized through connecting fasteners. It is fixed, so the connection between the vertical bar and the horizontal bar or the oblique bar is generally in a fixed state, and it cannot be supported in space for changes in angle and direction, resulting in poor stability of the scaffold and inconvenient use. Simultaneously, because the horizontal bar and the oblique bar of scaffolding are standardized, the spacing with the vertical bar cannot be adjusted arbitrarily, but the spacing is not necessarily definite in the actual use process, so it ...

AI Technical Summary

Problems solved by technology

The adjustable tie bar of this steel pipe scaffold can be used as an adjustable slanting bar or as an adjustable cross bar, which can adjust the length and angle, but there are three defects in this scaffold: first, because the central rivet The expansion tube passing through the sleeve is integrated with the fastener. Once the sleeve and the expansion tube are determined to be relatively fixed, when the expansion tube of the sleeve and the fastener rotate relative to each other with the central rivet as the pivot, the expansion tube of the sleeve will be opposite to each other. It is fixed, and the fastener only changes on the upper part of the telescopic tube of the casing, and the range of motion is relatively narrow; second, the telescopic structure is complex, and when the adjustable tie rod needs to be extended or shortened, the locking device needs to be twisted or hammered. Very inconvenient; third, the bowl buckle scaffolding has many parts and complex structure, including the upper bowl mouth, lower bowl buckle, cross-bar joint, limit pin, etc. It is easy to lose parts and inconvenient to install and disassemble during use.

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