| 摘要 |
PURPOSE:To provide a hydraulic elevator control device in which a riding feeling is improved with cage lowering restrained. CONSTITUTION:An electromagnetic switching valve is closed with compensation torque added to drive a hydraulic pump 10 so as to make pump pressure equal to jack pressure when a cage reaches a destination floor to stop an elevator, by providing a pressure sensor 21 arranged on the hydraulic jack side of the electromagnetic switching valve 9 to detect jack pressure P1, a pressure sensor 22 located on the hydraulic pump side of the electromagnetic switching valve to detect pump pressure P2, and a pressure controller 24 inputting a compensation torque command C, for making deviation between the jack pressure and the pump pressure zero, in a speed controller 20A. |
