The invention discloses a new-type hydraulic jack, comprising a hydraulic cylinder body, a piston and a piston rod, wherein the piston is arranged in the hydraulic cylinder body; the piston rod is arranged on the piston; the hydraulic cylinder body comprises a cylinder wall and a bottom plate; the diameter of the bottom plate is greater than that of the cylinder wall, so that an external extending part is formed; the external extending part is provided with a plurality of threaded holes; a cushion plate is further arranged at the lower part of the bottom plate; the cushion plate is also provided with a plurality of threaded holes; the cushion plate is connected with the bottom plate at the external extending part through bolts; the middle part of the cushion plate is provided with a matching groove. By such way, the new-type hydraulic jack has the advantages that the structure is simple and reasonable, and the cushion plate is additionally arranged, so that the jack body cannot be damaged in the use process.
New-type hydraulic jack
2015-04-29
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 |