Novel hydraulic elevator power device

The utility model provides a novel hydraulic elevator power device. The novel hydraulic elevator power device comprises an ascending bypass flow speed adjusting system and a descending current limiting speed adjusting system, an ascending standby system and a descending standby system, wherein the ascending bypass flow speed adjusting system mainly comprises a bypass throttle valve, a one-way check valve, a two-position two-way valve, a proportioning valve, a quick ascending solenoid valve, a slow ascending solenoid valve and an energy storage device; and the descending current limiting speed adjusting system mainly comprises a liquid control three-position two-way valve, a slow descending solenoid valve, a quick descending solenoid valve and a back pressure valve. The utility model further provides a corresponding control method. Therefore, the motion curve of accelerated ascending, uniform-speed ascending, decelerated ascending, low-speed ascending and ascending termination and another motion curve of accel