Front axle structure of diesel engine

The utility model relates to the technical field of diesel engine front axles, in particular to a diesel engine front axle structure which comprises a front axle mechanism and a power assisting mechanism. The front shaft mechanism comprises a shaft rod, a plurality of built-in magnetic sheets evenly inserted into grooves in the outer wall of the shaft rod, a balance block installed at one end of the shaft rod, a positioning ring buckle inserted into the other end of the shaft rod and a plurality of screw rods inserted into the positioning ring buckle and connected into the shaft rod. A plurality of built-in magnetic sheets which are distributed in a circular ring shape are assembled on a traditional shaft rod, a positioning ring buckle is fixed at the end, away from a balance block, of the shaft rod through a plurality of screws, and at the moment, a bearing shaft sleeve can be limited and clamped through two limiting cushion pieces and two second magnetic rings which are installed on the inner side of the po