Rotary sprinkler device
(57) Abstract:Usage: in irrigated agriculture under irrigation by sprinkler irrigation of agricultural crops. The inventive rotary sprinkler apparatus consists of a Central barrel 1 and wing 2 and 3 made of different lengths relative to the center of rotation. On the wing 2, 3 set of jet nozzles 4, and on the Central shaft 1 is installed deflector nozzle circular steps 5. Area rotary sprinkler apparatus represents the area of a circle, which results in an even distribution of rain throughout the irrigated area. 2 Il. The invention relates to agriculture and can be used in irrigated agriculture under irrigation overhead irrigation of crops.Known low-intensity frontal the sprinklers, for example DF-B-05, equipped with rotary devices located above each anchor trolley.Also known constructions of foreign sprinkling machines with rotating farm due to the reactive force generated by the jet sprinkler system ("Boom-on-Rhine, France).Lack of data carousel devices shall Ernest distribution of rain is deteriorating from the periphery to the center.The closest technical solution is rotary sprinkler "Timiryazeva", consisting of a body of the Central rack-mount bracket, two long shafts. On one of the shafts installed kratkotrajna deflector nozzle, the other barrel is fitted with the nozzle. The sprinkler rotates under the action of reactive forces resulting from the inclination of the nozzle relative to the axis of the barrel. Additional reactive efforts are also kratkotrajni nozzle, the axis of which is rotated in the direction opposite to the direction of rotation.The disadvantage is the poor uniformity of the distribution of rain over the irrigated area.To resolve this lack allows the proposed rotary sprinkler device comprising a Central shaft with two wing and mounted nozzles, whose wing length relative to the center of rotation is made asymmetrical, both have jet nozzles, and on the Central shaft mounted deflector nozzle circular steps.In Fig. 1 presents a diagram of the rotary sprinkler of the apparatus of Fig. 2 scheme of the area irrigated offer rotary sprinkler device.
FIELD: agricultural engineering, in particular, equipment for drop irrigation of farm crops.
SUBSTANCE: apparatus has cylindrical casing with inlet and outlet openings. Cylindrical casing has threaded covers and body. Valve and elastic cuff are movably positioned inside cavity of cylindrical casing. Apparatus is further equipped with additional cuff. Main and additional cuffs are provided with orifices. Valve is made in the form of concavo-concave lens arranged in spherical belt. Valve is manufactured from material having density smaller than density of water, in particular, valve may be made from cork of 0.2-0.3 t/m3 density. Valve is arranged in casing between cuffs and is adapted for alternating contacting through cuffs with projections oppositely arranged inside casing cavity. Projections are made in the form of spherical segments, with radius of spheres of segments being smaller than radius of spheres of concavo-concave valve lens. Difference between radii of projection sphere and that of spheres of concavo-concave valve lens is equal to thickness of elastic cuffs. Channels on apexes of cover and casing projections are extending in radial direction toward inlet and outlet openings.
EFFECT: increased efficiency and enhanced reliability in operation.
4 cl, 4 dwg