The invention relates to a surface transport device, in particular to a double-portal stacker. The double-portal stacker comprises a frame, a portal system, a travelling system, an operating system and an electrical system, wherein the portal system, the travelling system, the operating system and the electrical system are arranged on the frame. The portals of the double-portal stacker are simple and reasonable in structure, and the lifting stability of a tray rack is improved; the structure of the travelling system is reasonable, the stability of the stacker is improved, and the load capacity of the stacker is improved.
Double-portal stacker
2015-09-23
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 |