DIRECT-PERFORATED STEEL PIPE MULTI-STAGE GROUTING DEVICE FOR INSERTING 12M STEEL PIPES WITH A TOP HAMMER AND A METHOD FOR GROUTING USING THE SAME, CAPABLE OF REDUCING WORKING TIME AND MAN-HOUR BY INSERTING A STEEL PIPE SIMULTANEOUSLY WITH PERFORATION

摘要

PURPOSE: A direct-perforated steel pipe multi-stage grouting device for inserting 12m steel pipes with a top hammer and a method for grouting using the same are provided to install steel pipes in relatively hard soil layer and various heights and minimize working time and man-hour for installing the steel pipes.;CONSTITUTION: A direct-perforated steel pipe multi-stage grouting device for inserting 12m steel pipes with a top hammer(100) comprises a vehicle, a boom unit(120), and a perforation unit(130). The boom unit is installed in the vehicle and controls working position of the perforation unit. The boom unit comprises a draw-out unit(121) and a swing table(125). The draw-out unit is installed to be adjusted length. The swing table is rotatably installed in the end of the draw-out unit. The perforation unit comprises a base(131), a movement support(141), a head(161), an extension rod, and a perforation(171). The base is installed in the swing table of the boom unit and the movement support is installed to be moved forth and back along the base. The perforation unit is installed in the end of the extension road to perforate the ground with the power supplied from the head.;COPYRIGHT KIPO 2012