The inversion method is a common method for the installation and construction of large storage Tanks
, and there are many kinds of technology and equipment, but one of the most advanced, reliable and the most viable when the inversion of the hydraulic lifting technology. The technology is Wuxi Wei Shitong machinery developed in 1993, the tank stepping hydraulic lifting device for the domestic initiative, the inversion method with large tank hydraulic lifting device and process with the international advanced level. The technology was listed as the key project of the Ministry of science and technology in 1994, and in 1995 it was listed as a national key project of scientific and technological achievements. Through many years of popularization and application has formed a "large storage tank inverted hydraulic lifting technology", "across the double Tower
communication tower overall hydraulic lifting construction technology" and other construction technology.
Large storage tank inversion (or steel mast, communication tower and steel tower etc.) with complete sets of construction technology of hydraulic lifting is SQD-160-100s.f loose clamping Jack (capacity 16t, hydraulic stroke 100mm) as the main body, with different types of hydraulic pump and hydraulic piping systems and other Accessories
, composed of large storage tanks (or steel mast, communication tower and the steel spire etc.) hydraulic lifting equipment construction, suitable for large storage tanks (vault tank, floating roof tank and the inner floating roof tank, steel mast, communication tower and steel tower lifting construction etc.).
Hydraulic lifting principle
The use of hydraulic lifting device (equipment) are distributed on the circumference of the tank wall, the first lifting tank top and a tank upper panel (the first layer), then welding tank wall layer. The hydraulic jack and a lifting frame, a lifting rod of the hydraulic hoist, when the hydraulic jack into the oil, through the card head clamping and lifting the lifting rod and the expansion ring, so as to drive the tank (including tank top) upward; when the jack oil return, the return card with the piston head at this time the card head rod, automatic clamping rod will not decline, Jack repeated movement with the rising lifting lever, until a predetermined height (the height of the next empty plate). The next layer of wall butt welded, open hydraulic jack, Sonka device, loose down clip will enhance the rod and ring down to the next lower layer wall expansion, welding force transfer rib plate, then lift. So repeatedly, so that the group has been welded up the tank until the last layer of panel welding completed, so that the entire tank installation is completed.
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