Compact hydraulic power unit of plunger type

The utility model relates to a compact hydraulic power unit of plunger type. Its oil -immersed motor and plunger pump in setting up the oil tank that has the end cover, it joins in marriage the oiled -plate method still to be provided with in the oil tank, the plunger pump adopts high -pressure radial piston pump, is paid by 3 or 3 above plungers and constitutes, and the plunger is paid one and is joined in marriage the oiled -plate method and fix on the motor, oil -immersed motor's motor shaft adopts eccentric design, drives the plunger when motor is rotatory and pays reciprocating motion realization oil absorption and oil extraction, joining in marriage the oiled -plate method and having the pressure oil import of paying quantity corresponding to the plunger, the export of pressure oil is assembled through the inside passage who joins in marriage the oiled -plate method to the import of pressure oil, joining in marriage the oiled -plate method and connecting on the base, the pressure oil import on the base