| 摘要 |
The invention relates to a shaft lifting device comprising a support structure (30, 31), an manual arm device (32, 34A, 34B) movably connected to said support structure (30, 31), a gripping unit (4) arranged on said arm device (32, 34A, 34B) and a powering device (33) arranged merely to move said arm device (32, 34A, 34B) vertically, wherein said arm device (32, 34A, 34B) comprises a first arm (34A) fixedly attached to a base device (32) and a second arm (34B) attached to said first arm (34A) by means of a hinge device (34C), wherein said first arm (34A) and said second arm (34B) are pivotally movable in a horizontal plane and said base device (32) is movable in a vertical plane. |
