Hydraulic jacking device and using method thereof

• Main Authors: QU XIAOBO, ZHANG YAN, FENG YONGLIN
• Format: Patent
• Language: Chinese; English
• Published: 08.06.2016
• Subjects: HAULING; HOISTING; HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD; LIFTING; PERFORMING OPERATIONS; TRANSPORTING

The invention discloses a hydraulic jacking device and a using method thereof. According to the technical scheme, the hydraulic jacking device is characterized in that the hydraulic jacking device comprises a jacking device body; the jacking device body is provided with a hydraulic oil cavity and an oil inlet and outlet pipe, and the oil inlet and outlet pipe communicates with the interior of the hydraulic oil cavity and is connected with an external hydraulic oil pump; a piston jacking rod is arranged in the hydraulic oil cavity and provided with an object jacking end; the hydraulic jacking device further comprises an object jacking block separated from the piston rod jacking rod, and an arc-shaped concave surface is arranged on the end face of the object jacking end; and the object jacking block comprises an arc-shaped convex surface matched with the arc-shaped concave surface, and an object jacking plane for abutting against a workpiece to be machined. In the using process, the corresponding angle between