A method and apparatus for lifting and supporting a storage tank uses a series of lifting devices on piles spaced around the periphery of the tank. Each lifting device includes a lower threaded bar with a coupler that engages the upper end of a pile. A lifting bracket is inserted under or attached to the tank, and includes a tube that slides along the lower threaded bar. A plurality of upper threaded bars extend upward from the lifting bracket and pass through a horizontal beam that can slide vertically on them. Upward movement of the horizontal beam is limited by nuts on the upper threaded bars. A jack is placed between the horizontal beam and the lower threaded bar to raise the lifting bracket by exerting upward force on the horizontal beam. The lifting bracket can be held in this raised position by a nut on the lower threaded bar.
METHOD AND APPARATUS FOR LIFTING AND SUPPORTING STORAGE TANKS
2016-01-21
Patent
Electronic Resource
English
IPC: | B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last |
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