Pile sinking leading truck

The utility model provides a pile sinking leading truck, it includes: fixed platform, its and work?platform fixed connection, the direction subassembly, its perpendicular connection fixed platform is last, the direction subassembly include a guide cylinder and with a plurality of guide bars of guide cylinder wall?connection, it is a plurality of the upper end of guide bar is fixed on fixed platform's the lower terminal surface, and every the guide bar orientation a recess has been seted up on the lateral wall of guide cylinder, with every on the outer wall of guide cylinder be provided with a plurality of lugs in the vertical direction that the recess corresponds, the straight line driver, its with the lug electricity is connected, wherein, the guide cylinder with the position department that the lug corresponds has seted up and has held the storage tank of lug, the drive of straight line driver the lug is in up -and -down motion in the recess. This pile sinking leading truck the guide cylinder outer wall not