Unloading tool for large-span steel structure

• Main Authors: SONG HONGZHI, LIU JUN, LIANG SHUXIN, ZHANG QINGSHAN, WEI HAILING
• Format: Patent
• Language: Chinese; English
• Published: 07.11.2012
• Subjects: BUILDING; BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE; FIXED CONSTRUCTIONS; FORMS; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS; SCAFFOLDING; SHUTTERING

The utility model discloses an unloading tool for a large-span steel structure. The unloading tool structurally comprises 1) an inner steel pipe and an outer steel pipe, 2) a top plate, 3) a steel pipe bottom plate, 4) bottom plates, 5) a stiffening plate, 6) high-strength bolts and nuts, wherein the inner steel pipe and the outer steel pipe are sleeved together and provided with different pipe diameters and lengths; the top plate is welded on the top of the inner steel pipe; the steel pipe bottom plate is welded at the bottom of the inner steel pipe; the bottom plates are respectively welded at two outer sides of the bottom of the outer steel pipe; the stiffening plate is arranged outside the outer steel pipe and between the end sides of the bottom plates at the two sides of the outer steel pipe; and the high-strength bolts and nuts are used for connecting the bottom plate of the inner steel pipe with the bottom plates of the outer steel pipe. The inner steel pipe is 50-200 mm longer than the outer steel pip