Fluid pressure type boom sprayer

The utility model discloses a fluid pressure type boom sprayer, it belongs to the plant protection and sprays machinery. It mainly includes the boom sprayer, and the boom sprayer below is equipped with the chassis, and the rear of chassis is equipped with the spray lance subassembly, be equipped with on the boom sprayer with spray lance subassembly complex hydraulic means, the spray lance subassembly includes that first spray lance, second spray lance, pull rod spout the frame in and, and first spray lance top is articulated with the second spray lance, and it is articulated that first spray lance afterbody spouts the frame in with, is equipped with the spout on the first spray lance afterbody, and the one end and the interior head of spout of pull rod are connected, and the other end of pull rod passes through the articulated slab and is connected with first spray lance and second spray lance respectively, hydraulic means is on spouting the frame during extend the hydro -cylinder, the extension hydro -cylinder is fixed in, and it stretches out the end and is connected with the head. The utility model discloses simple structure, convenient to use replaces manual operation, realizes taking down the exhibits and going up and down of spray lance. The utility model discloses the pesticide of mainly used plant protection sprays.