Screw hillers

FIELD: agriculture.

SUBSTANCE: invention relates to agriculture. Screw hiller consists of a shaft, two partial coils with the profile of the Archimedes spiral with a decreasing radius from start to finish, and a pitch of the first round, three times the pitch of the second, and the propeller-blade. And downstream of movement hiller supply cylindrical casing set at a minimum distance from the propeller-blade and two-centimetric clearance of uncultivated soil surface.

EFFECT: invention allows to push the soil from the scope of its interaction with the coils and improve the performance of agricultural equipment.

1 dwg

 



 

Same patents:

FIELD: agriculture.

SUBSTANCE: rotary thatcheriser-chisel cultivator comprises a frame with a connecting device, a rotor counter-rotating to the movement of the tool with the shaft and the combing teeth on it, and the driving mechanisms of the rotor. The teeth of the rotor are arranged in one plane of rotation and secured to the flange movable in the plane of rotation. The teeth are placed along a helical line with an angular displacement on the adjacent flanges of not less than 45. The flange holder is connected to the rotor shaft by means of elastic elements. The elastic elements are mounted in the annular cavity between the connected surfaces of the holder and the shaft. The holder and the shaft contain the longitudinal ribs respectively on the inner and outer connected surfaces. The longitudinal ribs are arranged with the same angular displacement. The length of the part of the annular cavity of the unloaded rotor is filled with the elastic elements in front of the edge of the shaft, and at least two times greater than in front of the rib of the holder. In front of the rotor in the middle part of the bands extending between its teeth the circular knives with leashes are mounted. The leashes of the circular knives are mounted on the bearing beam with the ability of adjustment in height of the unit. At the rear part of the rotor between the teeth the grooved and tapered down shields are located. The shields contain rounded longitudinal ribs of different heights. The leashes of the shields are pivotally connected to the bearing beam with restriction of their descent. The lower ends of the shields are located behind the body of rotation of the rotor.

EFFECT: providing stability and quality of the process of extraction from the soil of root residues of perennial plants and reduction of energy consumption for deep loosening of the soil.

3 cl, 3 dwg

FIELD: agriculture.

SUBSTANCE: remote section of the rotary cultivator comprises a movable frame of the rotary cultivator section with working elements, and a hydraulic cylinder of section lifting. The movable frame is made rotary and is provided with a roller and a sidewall fixed to it, mounted at the side of the processed plants, a parallelogram linkage mechanism, an apron fastened to the lower part of the frame, a drum of the working elements with a hydraulic motor, a hydraulic distribution valve, at least two hydraulic cylinders of deflection and inclination of the section and the probe.

EFFECT: grinding of plants in inter-trunk space of fruit trees together with the milling operation is provided.

2 dwg

FIELD: agriculture.

SUBSTANCE: rotary subsoil cultivator comprises a frame with a connecting device, the driveless ripper working bodies installed in series, forcibly rotating rotor with teeth on the horizontal shaft, the rotor drive mechanisms, and a compactor. The ripper working bodies are made in the form of spherical discs. The discs are mounted with an angle of attack in front of the rotor teeth and are facing with the convex to the longitudinal axis of the subsoil cultivator. The diameter of the rotor is at least one and a half times greater than the diameter of the discs. The discs are arranged above the lower line of the rotor body of revolution by an amount exceeding not less than half the radius of the disc. The devices for connection of the discs with the frame are made with elastic elements. The compactor is made with adjustable limitation of lifting height. The rotor teeth are provided with replaceable cutting devices. The discs are made adjustable in height and fixed on the spring-loaded or spring racks.

EFFECT: reduction of energy consumption of loosening the soil by rotary subsoil cultivator and cost of power to the rotor drive, providing sustainable performance of processing the agricultural backgrounds with weed vegetation.

3 cl, 2 dwg

FIELD: agriculture.

SUBSTANCE: tool comprises a frame, drive rotary working bodies arranged in two rows, a bevel gear. On the output shafts of the gear the removable sprockets are mounted. The removable sprockets are connected by a chain with the removable sprockets on the shafts of the rotary working bodies. The circumferential speed of the rotary working bodies of the first row is 1.03-1.1 of the speed of the tractor, of the second row is 1.05-1.15. The rows of the working bodies are installed perpendicular to the direction of motion of the tool with location in a checkerboard pattern. The working bodies are made in the form of wheel spiders. The needles of the wheel spiders are bent along the evolvent of circle. On the convex side of the needles of the working bodies of the first row in the tangent planes the chisel elements in the form of an isosceles triangle are fixed. The base of the triangle is parallel to the axis of the wheel spider. The top of the triangle is directed towards the end of the needles. The distance from the top of the chisel elements to the ends of the needles is equal to half the depth of processing. On the needles of the second row of the working bodies the chisel elements in the form of an isosceles triangle are fixed. The top of the triangles is located at the end of the needle. The chisel elements of the second row of the working bodies are rotated relative to the needles and form an acute angle with the axis of the wheel spiders. The needles are alternately turned about the axis of the wheel spider in opposite directions.

EFFECT: solution is aimed at reducing energy consumptions and increase in quality of the surface treatment of soil.

4 dwg

FIELD: agriculture.

SUBSTANCE: group of inventions relates to the field of agriculture, in particular to vegetable farming. The method is implemented by means of laying of milled soil for the formed furrows to the surface of unprocessed soil. For long-term provision of cultivated crop with accessible (capillary) water entering the soil mass with capillary porosity, formed within a long period after qualitative autumn treatment the dried surface layer of this mass id destructed and removed. Meanwhile newly formed surface layer additionally compacted, that prevents to excessive loss of capillary water. The soil with non-capillary porosity hard-worked on the usual mass making side slopes and sowing layer, forming the hole soil mass as a furrow slice. The device includes the power shaft, fixed on the frame, with interspaces between milling drums with covers, shaping furrow slices. Meanwhile it is equipped with chains fixed on the driving shaft in interspaces between the milling drums.

EFFECT: group of inventions allows to prevent an excessive loss of capillary water and for a long time to provide the cultivated crops with accessible water.

2 cl, 2 dwg

Rotary tiller // 2535745

FIELD: agriculture.

SUBSTANCE: invention relates to the field of agricultural machine industry, in particular to rotary tillers. The tiller contains hinge, rotor, central conic and board reducers, protective cover, holding tank. The holding tank is made as a lattice bucket. In the bottom of the tank an unloading hatch and support beam with raning roller on hallow stands. Inside the hollow stands the pushers with springs are installed. On the roller axle the protuberances are provisioned. The protuberances interact with pushers and shake the holding tank at motion.

EFFECT: qualitative loosening of soil and its solid lamps, and also their final elimination from the field surface is ensured.

6 dwg

Ripper-weeding unit // 2532054

FIELD: agriculture.

SUBSTANCE: invention relates to the field of agricultural machinery industry, particularly to machines for loosening soil and destroying weeds. The ripper-weeding unit is made in the form of a drum with the grasp width of 1.2-1.5 m and comprises a housing, a hexagonal shaft driven by power takeoff shaft. On the hexagonal shaft the rows of housings are mounted. On the peripheral part of the housings with the help of pins and holders the toothed blades are mounted. The toothed blades have the vertical angle of entry of the outer part of the blade into the soil, and the sharpening of the inner part at an angle of soil crumbling of 12-18. The holders are fixed to each other by the compression springs and have in front part the wedge-shaped edge with a wedge angle equal to the angle of friction of the soil sliding on the steel. The toothed blades are made expanding to the outer edge and have a wedge recess with the toothed cutting edge.

EFFECT: constructive solution is aimed at quality preparing of the field for crop growing and increase in productivity.

3 dwg

FIELD: agriculture.

SUBSTANCE: invention relates to forestry and can be used for preparation of forest soil to natural forest regeneration. The device comprises a frame of rectangular cross-section, a hollow cylinder, a shaft, ratchet mechanisms with hydraulic cylinders. On the lateral surface of the hollow cylinder the niches are made with plates with working elements mounted in them. The working elements are made in the form of openers and mounted between each other at a distance of 5 to 15 cm. The plates are mounted with the possibility of changing the position in the niches for providing processing the soil to a depth of 2.5 to 5 cm.

EFFECT: this constructive solution provides improved quality of forest soil surface processing and seed germination in natural forest regeneration.

3 dwg

FIELD: agriculture.

SUBSTANCE: tool for surface tillage comprises discs curved along the helix line. The discs are located so that the cutting edges of the adjacent discs are located in the same vertical plane in the direction of movement. The discs are mounted on the hubs mounted on the hexagonal shaft. The hexagonal shaft has support bearings with anti-friction liners. The tool is made sectional. To provide the soil contour following the section coverage should be 120-150 cm. The sections are mounted in two.

EFFECT: soil loosening is provided without removal of lower moist layers.

3 dwg

FIELD: agriculture.

SUBSTANCE: device comprises two rotary milling chisel ploughs located vertically symmetrically along the direction of travel of the device, mechanically connected to a common driver. The rotary milling chisel plough is provided with an annular milling chisel plough. The annular milling chisel plough is provided with outer cutting elements, provided along its outer side at the side surfaces alternately on the left and on the right. In front of the cutting element a container for receiving soil is made. The container for receiving soil is simultaneously a cavity of engagement of the gear drive on the outer side of the annular milling chisel plough. The container for receiving soil of the annular milling chisel plough is provided with a recess on its rear surface formed parallel to the plane of the annular milling chisel plough between the bottom of the container for receiving soil and the cutting element of the annular milling chisel plough. The rear surface in the direction of rotation of the pinion tooth is provided with a projection which width is 20-30% of the width of the pinion tooth, which lateral plane is made in one plane with the lateral surface of the tooth, directed towards the central plane of the pinion.

EFFECT: this constructive implementation enables to improve cleaning the container for receiving soil of the annular milling chisel plough and the cutting element of the annular milling chisel plough from the extracted soil, to reduce the tractive resistance and energy consumption, to improve reliability of the device.

2 cl, 2 dwg

Tillage tool // 2252517

FIELD: agricultural engineering; rotary tillers.

SUBSTANCE: proposed rotary tiller tine consists of two parts-base and point hinge connected to each other. Base is provided with slot to accommodate point. Point is fixed in working position by limiter which is provided with vertical slot for interacting with boss of point made conical as inner surface of limiter slot. Point is additionally fixed in working position by flat-spiral spring secured by one end in slot of base and by other end thrusting against end face of point for displacement. Base of tine is rigidly secured on disk.

EFFECT: simplified design, improved reliability of working process.

5 dwg

FIELD: agricultural machines, in particular, equipment for cutting of water-absorbing slits and mellowing of soil under humus layer therebetween.

SUBSTANCE: mellower has two disk-type slitters, rotavator for soil under crust, and their common pin drive, which are mounted on different shafts arranged in parallel with one another and perpendicular to direction of advancement of unit. Pin transmissions and their drives are positioned within inner cavity of bowl-shaped disks of slitters arranged symmetrically at both sides of rotavator. Such construction allows two water absorbing slits of desirable sizes to be simultaneously cultivated (cutting of new slit and cleaning of previously cut slit) during advancement of unit in soil, and mellowing of soil under humus layer to be steadily provided by thinning and mixing of the latter.

EFFECT: provision for retention of soil humus layer, stubble and grass cover on soil surface at high stability, improved quality, enhanced reliability in operation and reduced consumption of power.

2 dwg

FIELD: agricultural engineering.

SUBSTANCE: cultivator has hollow tine and electric engine for drill, said engine being fixed on tine and connected to drive shaft coupled through toothed transmission to horizontal shaft. Toothed transmission is mounted within casing. Working tools similar to cutters are detachably secured on ends of horizontal shaft protruding through casing. Hollow tine of cultivator is formed as straight pipe with flange at its one end for connection to casing of toothed transmission formed conical and to joining unit on its other end for attachment of electric drill. Electric engine for drill is used for rotation of drive shaft equipped at its ends with shanks for respective attachment within electric drill spindle and on drive gear of conical toothed transmission. Electric drill handle is used as electric engine controlling means. Bolts for attachment of cutter knives are positioned so that nuts are arranged at the side of ends of horizontal shaft extending from casing.

EFFECT: improved operating characteristics of cultivator and convenient employment thereof for cultivation of difficult-for-access soil plots and small area soil plots.

3 dwg

FIELD: agricultural engineering.

SUBSTANCE: mellower has casing formed from three disks secured to one another and equipped with axial bushing, spades with lever, and springs. Disks are mounted for pivotal rotation within the ranges restricted by supporting pins. Spades with levers are made arcuate and mounted on axial pins in slot between outer disks. Each of said springs is made U-shaped with bent ends. U-shaped part embraces spade lever. Bent ends are inserted into openings provided through outer disks.

EFFECT: simplified construction, wider operational capabilities and reduced operating costs.

1 dwg

Rotary tiller // 2294072

FIELD: agricultural engineering.

SUBSTANCE: rotary tiller has shaft and knife equipped with cutting edges. Knife is made of inversion-turning type, in the form of integral part manufactured from constructional steel strip. Knife cutting edges are provided along steel strip. Knife is equipped with left-hand and right-hand strips and joined to said strips through channels defined upon bending of strips by an angle of 90 deg toward working surface of knife along bending lines inclined at an angle of 30-60 deg toward cutting edges. Cutting edge of left-hand strip is inclined toward knife working surface at an acute angle, and cutting edge of right-hand strip is inclined at an obtuse angle. Cutting edge of knife is set at an angle of 3-8 deg to generatrix surface of rotary tiller shaft. Free ends of strips are equipped with mounting openings and seat belts.

EFFECT: improved quality of shear, increased efficiency and reduced consumption of power for rotary tillage process.

2 cl, 7 dwg

Rotary tillage tool // 2299535

FIELD: agricultural engineering, in particular, equipment which may be used for removal of non-standard parts of licorice such as black head in mass extraction of licorice raw material.

SUBSTANCE: rotary tillage tool has knife drum mounted on horizontal rotating shaft and equipped with disks having circumferentially secured knives. Each knife is positioned so as to be moved between adjacent disks. Knife is made U-shaped and fixed with its vertical strips on disk. Horizontal blade is deflected from generatrix surface of knife drum by an angle of 5-15 deg. Horizontal blades of knives in each section between adjacent disks are spaced apart from axis of rotating shaft of drum by distances differing from one another. Front and rear parts of vertical strips and horizontal blades are fitted with continuous cutting edges sharpened at an angle of 18-21 deg. Vertical strips and horizontal blade of each knife are made in the form of integral part.

EFFECT: improved quality of cut of licorice root in removal of black head and reduced consumption of manual work for sorting out of raw licorice roots into standard and non-standard parts.

3 cl, 4 dwg

FIELD: agricultural engineering, in particular, equipment for processing of licorice roots.

SUBSTANCE: working tool for rotary tiller has L-shaped knife with bent wing provided in lower part of tine. Flat portion of knife including bent wing is joined to C-shaped member. Tine, wing bent portion, C-shaped member and flat portion of knife are made in the form of integral part manufactured from strip construction steel and equipped with cutting edge extending along longer strip. Cutting edge has variable sharpening angle reducing in direction of free end of knife flat portion. Mounting part of tine is equipped with receiving cylindrical belt. Bending lines of wing and C-shaped member are offset from their surfaces by value equal to bending radius r=(0.7-0.9)xb, where b is width of wind. Angle between cutting edge of tine, wing bent portion, C-shaped member, knife flat portion and bending lines of wing and C-shaped member is 45-75 deg.

EFFECT: increased efficiency by providing clean cut of licorice roots in the process of removal of blackhead and reduced labor intensity in manual processing of licorice root mass.

4 cl, 4 dwg

FIELD: agriculture.

SUBSTANCE: machine contains a frame, a knife drum, installed on a shaft, breakers, a drive mechanism and a protective casing. The machine is supplied with flat hoes and flat disks, pivotally fixed on a frame. The drum is executed rotary, and knifes - in the form of wheel spiders, fitted on a drum. Breakers are fixed pivotally on a protective casing and springs to a frame. Flat disks are spring-actuated and are located before each wheel spider, and flat hoes are behind them.

EFFECT: increase of productivity and quality of processing of all soils types for one pass; increase of machine reliability and its service life.

3 cl, 1 dwg

FIELD: agriculture.

SUBSTANCE: soil tiller comprising housing, metallic fork, springs, and stops. The housing is designed as a closed barrel with a shaft and end flanges. The fork is made with arc-shaped teeth. The fork teeth are secured in nipple slots so that they project from the back of the fork. The fork is pivotally mounted with its nipples in the end flanges. The stops are made of angles and secured on the housing surface and along the housing. The springs are made as headless pins with curved ends and installed with their circular parts on the nipple ends. The curved pin ends are inserted into holes in the end flanges and into the projecting parts of the outermost teeth.

EFFECT: increased soil cultivation quality and simpler design.

1 dwg

Rotary cultivator // 2340134

FIELD: agriculture.

SUBSTANCE: rotary cultivator contains a gearhead of the running wheels and a gearhead of the tillage tools acting as a frame. Running wheels and tillage tools are fixed correspondingly on the axles of gearheads. Electric motor of the driving unit of the tillage tools, lever with control unit and gearhead of the running wheels are rigidly fixed on the gearhead of the tillage tools. Electric motor with a rotation frequency control module is fixed on the gearhead of the running wheels. Control module is kinematically connected with a spring - driven hanging knife through a lever tracing density variation of the soil.

EFFECT: ensures balanced motor load, will increase operational safety of the elements of the driving gear, quality of tilling and its productive capacity.

2 dwg

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