Stone washing and mud removing device for highway subgrade and pavement construction

The invention discloses a stone washing and mud removing device for highway subgrade and pavement construction. One side of the top end of a box body is provided with a feeding port, a first screen plate and a second screen plate which are obliquely arranged are symmetrically arranged on one side in the box body, the first screen plate and the second screen plate are connected with the box body through vibration mechanisms, sliding grooves are formed in the sides, which are close to each other, of a first side plate and a second side plate, a moving frame is arranged between the first side plate and the second side plate, and sliding blocks matched with the sliding grooves are arranged on the two sides of the moving frame; an eccentric wheel matched with the moving frame is arranged in themoving frame, the axis of the eccentric wheel is connected with the output end of a driving motor, vertically-arranged first compression springs are symmetrically arranged at the top end of the moving frame, a transverse pla