Detachable circular steel pipe pile casing and inner supporting device convenient to disassemble: Fid-Bau Portal

Detachable circular steel pipe pile casing and inner supporting device convenient to disassemble

GUO CAIXIA / ZHU YINGJIE / ZHAO HONGBING / ZHOU ZHIQIANG / XIN KAI

The invention belongs to the technical field of steel pipe pile casings, and particularly relates to a detachable circular steel pipe pile casing and a convenient-to-disassemble inner supporting device.The detachable circular steel pipe pile casing comprises an embedded steel plate, a lower half sleeve is welded to one side of the embedded steel plate, a fixed steel plate is welded to the bottom in the lower half sleeve, and two sets of fixed steel wedges are symmetrically welded to the two sides in the lower half sleeve; the lower half sleeve is locked with the upper half sleeve through a bolt, mold bag concrete is arranged between the upper half sleeve and the lower half sleeve, two sets of L-shaped limiting blocks are symmetrically arranged on one side of the embedded steel plate, two sets of positioning holes are symmetrically formed in outward extending flanges on the two sides of the lower half sleeve, and the L-shaped limiting blocks are connected with the positioning holes in an inserted mode. According to the welding device for the lower half sleeve, the position, welded to the embedded steel plate, of the lower half sleeve is positioned, meanwhile, the L-shaped limiting blocks play a role in lifting the lower half sleeve, a worker can weld the lower half sleeve conveniently, and the welding efficiency of the lower half sleeve is improved.

本发明属于钢管护筒技术领域，具体的说是一种可拆分式圆形钢管护筒及方便拆卸内撑装置，包括预埋钢板，预埋钢板一侧焊接有下半套筒，下半套筒内底部焊接有固定钢板，下半套筒内两侧对称焊接有两组固定钢楔，下半套筒通过螺栓与上半套筒锁紧，上半套筒与下半套筒之间设置有模袋混凝土，预埋钢板一侧对称设置两组L型限位块，下半套筒两侧外伸翼缘上对称开设两组定位孔，L型限位块插接定位孔，与现有技术相比，通过L型限位块与定位孔的配合，不仅对下半套筒焊接在预埋钢板上的位置起到定位作用，同时L型限位块对下半套筒起到托举的作用，便于工作人员对下半套筒进行焊接，提高了下半套筒焊接的效率。

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