| 摘要 |
PROBLEM TO BE SOLVED: To provide an elevator lifting device with superior responses when an elevator car where a hydraulic unit can be installed starts to rise.SOLUTION: A tank 41, a pump 42 and a motor 43 are provided as a hydraulic unit 4, a control part for controlling a vertical lifting speed of the elevator car by changing the rotation speed of the motor 43 and adjusting the supply amount of oil by the pump 42 is provided, and the tank 41 is arranged at a higher level than the pump 42. |
