A VIBRATORY MECHANISM FOR A PILE DRIVER AND A PILE DRIVER

摘要

A vibratory mechanism (1) for a pile driver comprises a static part (2) and a dynamic part (3). The dynamic part (3) is movable with respect to the static part (2). The static part (2) is provided with a drivable crankshaft (6) and the dynamic part (3) comprises a housing (13) and a vibration member (7). The vibration member (7) is drivably coupled to the crankshaft (6) through a connecting rod (8) and linearly movable with respect to the housing (13) in a direction of vibration. The housing (13) is resiliently coupled to the vibration member (7).