Cam rotor pump with bearing device provided with forced lubrication mechanism

The invention relates to a cam rotor pump with a bearing device provided with a forced lubrication mechanism. The cam rotor pump comprises a pump body (1), a bearing housing (2), a front cover (3), a driving shaft (5), a driven shaft (6), a driving rotor (51), a driving transmission gear (53), a driven rotor (61), a driven transmission gear (63), a thrust bearing (54), a thrust bearing (64), rolling bearings (55) and rolling bearings (65). The thrust bearing (54) and the rolling bearings (55) are installed between the driving shaft (5) and the bearing housing (2). The thrust bearing (64) and the rolling bearings (65) are installed between the driven shaft (6) and the bearing housing (2). The pump body (1) is in butt joint with the bearing housing (2) and the front cover (3). The cam rotor pump is characterized in that an eccentric wheel (7) is arranged on the driving shaft (5) and matched with a plunger rod (81) of a plunger pump (8) arranged on the inner cavity surface of the bearing housing (2); the plunger pump (8) is driven to work, and an oil outlet pipe opening (83') of the plunger pump (8) provides lubrication oil for lubricating the thrust bearing (64) and the rolling bearings (65) on the driven shaft (6). The problems that bearings of a driven shaft of a cam rotor pump are poor in lubrication effect, and consequently the service life is short and the amount of maintenance is high are solved.