30-08-2018 дата публикации
Номер: US20180243773A1
Принадлежит:
In accordance with one embodiment, a row unit for an agricultural vehicle comprises an upper carriage that is movable or slidable with respect to a generally horizontal beam of the vehicle. The row unit has vertical supports, where each vertical support has an upper end connected to the upper carriage and a lower end opposite the upper end. The row unit further comprises a lower carriage that is connected to the lower end of the vertical supports, such that the upper carriage determines a lateral position of the lower carriage with respect to the beam. 1. A row unit for an agricultural vehicle , the row unit comprising:an upper carriage that is movable or slidable with respect to a generally horizontal beam of an agricultural vehicle;a plurality of vertical supports, each vertical support having an upper end connected to the upper carriage and a lower end opposite the upper end;a lower carriage that is connected to the lower end of the vertical supports, such that the upper carriage determines a lateral position of the lower carriage with respect to the beam.2. The row unit according to wherein the upper carriage comprises:a frame;a set of rollers that are rotatable with respect to the frame and that ride against a surface of the beam;an upper motor mounted to the frame, the upper motor having a shaft that terminates in a pinion gear; anda rack gear on the beam, where the pinon gear engages to the rack gear to support simultaneous lateral adjustment of the upper carriage and the lower carriage.3. The row unit according to wherein an upper motor controller provides a control signal to control the upper motor to position a nozzle on the lower carriage in accordance with a target lateral separation to a row of plants claim 2 , the control signal responsive to image data.4. The row unit according to wherein the lower carriage supports movement of a three-dimensional position of a nozzle on the lower carriage by a first position adjuster for adjusting height of the ...
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