VIBRATORY MECHANISM FOR A PILE DRIVER AND A PILE DRIVER

摘要

A vibratory mechanism for a pile driver com-prises a static part and a dynamic part. The dynamic part is movable with respect to the static part. The static part is provided with a drivable crankshaft and the dynamic part comprises a housing and a vibration member. The vibration member is drivably coupled to the crankshaft through a connecting rod and linearly movable with respect to the housing in a direction of vibration. The housing is resiliently coupled to the vibration member.