Gravity landing type power and free conveyor

The utility model relates to a power and free conveyor technical field especially relates to a gravity landing type power and free conveyor, including the frame, be equipped with track, hold back in the frame and stop the piece, track and ground angularity mounting spur are in the frame, and the track has position height higher material loading end and the lower delivery end of position height, forms between material loading end and the delivery end and supports the work piece and supply the inclined orbit face of the free landing of work piece, the hold back is located between material loading end and the delivery end and is close to the delivery end, and the hold back can block or release the work piece makes the work piece stop or continuing the operation, block that the piece locates the delivery end, block that the piece can block the work piece and make the work piece bring to rest. The work piece can lean on self action of gravity from the material loading end to the free landing of delivery end, reali