Hybrid power gearbox hydraulic system capable of conveniently controlling gears

The invention belongs to the technical field of hybrid power assemblies, and particularly relates to a hybrid power gearbox hydraulic system convenient for gear control, which comprises a lubricating and cooling subsystem and an oil supply subsystem, and further comprises a main oil pressure adjusting subsystem and a clutch control subsystem, the oil supply subsystem comprises a first mechanical pump, a second mechanical pump, a suction filter and an oil tank, the first mechanical pump is connected with the suction filter which is connected with the oil tank; the lubrication cooling subsystem comprises an oil cooler and a filter, the first mechanical pump is connected with the oil cooler and the filter through oil ways, the filter is connected with an LUB oil way, and the oil cooler is connected with an EM1 oil way, an EM2 oil way, a C0 oil way, a C1 oil way and a C2 oil way; corresponding gears are formed through combination and separation control of the clutches, the control logic is simple, one clutch is c