Ramming bar device of a screed, screed, paver and method for changing the stroke of a tamper strip device

摘要

The invention relates to a tamper strip device of a screed, in particular a road finisher, with a tamper strip, which is arranged on a connecting rod, with a drive shaft which is connected via an eccentric with the connecting rod, wherein the eccentric device is designed such that, depending on the direction of rotation the drive shaft, a first and a second stroke adjustment of the connecting rod is adjustable. The stroke adjustment takes place via an eccentric with a thrust member, comprising a sliding bevel, and an eccentric, and a sliding guide. The invention further relates to a screed and a paver with such a tamper strip device. Finally, another aspect of the invention resides in a method of varying the stroke of a tamper strip device.