Aerial work platform and floating control system thereof

A floating control system, comprising a driving mechanism, a hydraulic oil tank, a variable displacement pump, a floating control valve, a floating mechanism, a boom function valve, and an actuator, wherein the variable displacement pump is driven by the driving mechanism, an oil inlet of the variable displacement pump is connected to the hydraulic oil tank, an oil outlet of the variable displacement pump is connected to oil inlets of the floating control valve and the boom function valve, a feedback oil port of the variable displacement pump is connected to feedback oil ports of the floating control valve and the boom function valve through feedback oil paths, the floating control valve is connected to the floating mechanism and the hydraulic oil tank, and the boom function valve is connected to the actuator and the hydraulic oil tank;

• characterized in that:
• the system further comprises an accumulator, and the floating control valve comprises a first one-way valve, a second one-way valve, a pressure reducing valve, and a logic valve;
• and an oil inlet of the first one-way valve serves as the oil inlet of the floating control valve, an oil outlet of the first one-way valve is connected to a pipeline connecting the accumulator, an oil inlet of the pressure reducing valve and an oil inlet of the logic valve, an oil outlet of the logic valve is connected to an oil inlet of the second one-way valve, an oil outlet of the second one-way valve serves as a feedback oil port of the floating control valve, an oil outlet of the pressure reducing valve is connected to the floating mechanism, and the pipeline connecting the pressure reducing valve and the logic valve is also connected to the hydraulic oil tank.