The invention provides a hydraulic lifting device with an explosion-proof hydraulic cylinder,The hydraulic lifting device comprises a first baseA hydraulic cylinder and a second base,The hydraulic cylinder comprises a first rod body slidably arranged under a body and connected with the first base downward,A second rod body is slidably arranged above the body and connected with the second base upward,The first base comprises one first adjacent surface and the second adjacent surface, which are complementary to each other and can reduce the volume of the hydraulic lifting device,In addition,The explosion-proof hydraulic cylinder comprises a body and an explosion-proof pipeline,The explosion-proof pipeline can connect the body to a liquid tank,And when the external pipeline of the explosion-proof hydraulic cylinder is damaged, the liquid pressure in the explosion-proof hydraulic cylinder is maintained by sealing the passage of the liquid away from the body,Avoid rapid lowering of the lifting device.本創作提供一種具有防爆液壓缸之液壓升降裝置，該液壓升降裝置包含一第一基座、一液壓缸及一第二基座，該液壓缸包含之一第一桿體滑設於一本體下方並向下連接該第一基座，一第二桿體滑設於該本體上方並向上連接該第二基座，該第一基座包含之一第一相鄰面與該第二基座包含之一第二相鄰面為互補而可減少該液壓升降裝置設置之體積，另，該防爆液壓缸包含一本體及一防爆管路，該防爆管路可連通該本體至一液體槽，並於該防爆液壓缸外部管路損傷時封閉液體離開該本體之通路而維持該防爆液壓缸內之液體壓力，避免該升降裝置快速降低。
