Single-gear box hydraulic control method, system and device

The invention discloses a single-gear box hydraulic control method, system and device. The single-gear box hydraulic control system comprises an electronic pump, a coarse filter, an electromagnetic valve, a fine filter, a lubricating pipeline and an overflow valve; the electronic pump pumps hydraulic oil out of an oil storage tank and can adjust the pressure of a rotating speed control system, andthe two ends of the coarse filter are connected with the electronic pump and the oil storage tank; the electromagnetic valve is connected with the electronic pump through a pipeline and then controlsa clutch, the fine filter is arranged between the electromagnetic valve and the electronic pump, a pressure limiting valve is installed between the lubricating pipeline and the electronic pump, and the pressure limiting valve is opened under set pressure; and the overflow valve is connected with the electronic pump, a mechanical pump is replaced with the electronic pump, part of hydraulic pressure is supplied to the lubri