The invention discloses a hydraulic jack which comprises a hydraulic cylinder body, a piston and a piston rod, wherein the piston is arranged inside the hydraulic cylinder body; the piston rod is arranged on the piston; the hydraulic cylinder body comprises a bottom plate; the thickness of the bottom plate is 2.5-3 cm; a circular groove is formed in the middle of the bottom plate; the depth of the circular groove is 0.5-0.6 cm. By adopting the mode, the hydraulic jack is simple and reasonable in structure, and due to adoption of the groove in the bottom, a steel tube is convenient and relatively stable to place.
Hydraulic jack
2015-04-08
Patent
Elektronische Ressource
Englisch
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 |