QPKY series planar fast gate hydraulic hoist is suitable for fast gate closing hydraulic hoist. It is widely used in water conservancy and hydropower engineering hydraulic turbine generator unit import and downstream pressure regulation, and can also be used for general planar accident gate hoisting and closing. This series of hydraulic cylinders are designed according to the condition that the gate can close the orifice by using water column pressure or partly aggravating without putting into operation the oil pump motor unit. This series of hydraulic cylinders can be divided into type I and type II according to the supporting type.