| 摘要 |
<p>A sprayer for targeted application of phytopharmaceutical preparations in permanent crops is designed as a trailer or as a standard three-point agricultural tractor attachment. On a frame (1) there may be a vessel (2) for spray chemicals, a compressor (3) for the creation of an air jet, a support (4) of a sprayer assembly (5) and also additional elements (6) like a pump (6a) for liquid spraying chemicals, valves (6b) for liquid chemicals control, ducts (6c) for conducting air from said compressor (3) and a control assembly (6b) with sensors. On said support (4) a cantilever (7) is fastened, on which there is a vertical hinge (8) provided with a bunch of sprayer nozzles (9) via extractable and pivotable legs (10), (11), wherein said nozzles (9) are additionally individually pivotable in vertical direction by means of mutually independent actuators (12) that are controlled by a control assembly (6d).</p> |
