Screened earth moving bucket with vibrating bars

摘要

A screened earth-moving bucket with vibration. The bucket includes a bottom, side plates, a back plate, and an attachment for connecting to a work machine. The bucket also includes at least one screen part having a plurality of adjacent bars to form a screen. At least one bar included in the screen part is vibrated by a vibrator unit so that the vibrated bar moves in relation to the bucket.

主权项

1. A bucket comprising:
a bottom; side plates on opposite edges of the bottom; a back plate; engagement members wherewith the bucket is connectable to a work machine; at least one screen part which comprises a plurality of bars arranged at a distance from one another in such a way that between adjacent bars there will be screen gaps and the bars form a screen; at least one vibrator unit for directing vibration to the bucket; and wherein the plurality of bars in the screen part are in transverse direction to the side plates; longitudinal axes of the plurality of bars in the screen part are straight; and the vibrator unit is arranged to direct vibrating motion directly to at least one bar of the plurality of bars in the screen part, whereby the at least one bar to be vibrated moves in relation to the bucket; the vibrator unit comprises at least one vibrator device for generating vibration motion and at least one transmission member connected to the vibrator device for transmitting vibration motion from the vibrator device directly to the at least one bar to be vibrated; the transmission member is parallel to the side plates and is movable relative to the side plates by means of the vibrator device and comprises a plurality of openings through which at least some of the plurality of bars in the screen part are arranged; and the engagement between the transmission member and each of the at least some of the bars in the screen part is without rigid attachment, whereby each of the at least some of the bars in the screen part is allowed to vibrate relative to the transmission member during operation of the vibrator device.