Combined tillage tool
SUBSTANCE: tool comprises mouldboard bodies mounted on the frame, fertiliser distributing units with fertiliser hoses, high-pressure fan with an air-duct. The air-duct is tightly connected to the fertiliser hoses. The fertiliser hoses are attached at the rear side of the mouldboards and radially connected to the windows, made between the ploughshare and the mouldboard tangentially to the surface of the mouldboards. On the outer surface of the ploughshare in front of the windows the ripper projections are provided, which continue over the windows in the form of teeth. The ripper projections have a cutting edge, which is directed along a path of movement of the soil layer, undercut by the ploughshare, and has a welding with solid wear-resistant alloy. The cutting edge of the projections is connected with ripping guides made on the outer surface of the mouldboards along the guide parabolic curves. The ripper guides have on the outer surface the welding with solid wear-resistant alloy. In the side wall of the fertiliser dispenser a fertiliser meter-mixer is made, representing a screw auger of left-hand orientation. The side wall of the auger housing at the side of the sowing unit is absent, and the lower part of the auger housing is sealingly connected with a mixer-guide. The mixer-guide has a metering valve and is sealingly connected to the fertiliser hoses.
EFFECT: this constructive implementation enables to provide the uniformity of distribution of mineral fertilisers throughout the sternum of the arable horizon and increase in crop yields.
The invention relates to agricultural machinery, in particular to machines for primary tillage with simultaneous subsurface application of fertilizers.
A device for deep loosening of soil and fertilizer, containing the fertilizer, a frame with fixed thereto in the transverse direction through the uprights story sweeps Ripper paws, communicates with a hopper and a source of compressed air to the tubes with nozzles on the end, with the purpose of expanding the zone of loosening soil and subsoil fertilizer in both height and width per rack above plastoria paws, secured additional story sweeps the leg, and between the main and additional story sweeps the legs of adjacent racks mounted spurs knives, and the bottom part is provided with radially emanating from the rack guide ribs, and spurs the knives of the upper and lower tiers are shifted relative to one another in the movement direction at a distance not less than the thickness of the knife, wherein the nozzle tubes mounted to the rear stands under spurs knives in the area of guide ribs, and the angle cutting spurs knives is $ 15-20° (SU # 880304, M. CL.3A01C 15/04).
The disadvantages of this device are the design complexity, increased tractive resistance, the lack of�PTA formation, making it impossible to fertilisation, located on the surface of the soil, such as manure.
Known plow for application of mineral fertilizers simultaneously with the plowing, includes mounted on the frame concentrator buildings and fertilizer distributing machines with tubes, for the purpose of regulating the depth of placement of fertilizer in the soil, the plough is provided with an additional working bodies in the form of feeding knives which are mounted in pairs in front of each plough body (inventor's certificate SU # 743608, M. CL.2A01B 49/06; A01C 7/20).
The disadvantages of this plow are the design complexity of the installation of additional working body, the lack of uniform distribution of fertilizer across the entire depth of the arable layer, increased tractive resistance.
Known plow-new gear pump, comprising mounted on the frame of the dump body and fertilizer distributing machines with tubes, wherein it is equipped with high-pressure fan with a duct that is sealed to the tubes, wherein the tubes is fixed from the rear side dumps and paired with the radius of the slit is made between the plowshare and moldboard along the tangent to the surface of the blade, on the outer surface of the plow in front of the slit provided for loosening the lugs, which continued over sauveplane in the form of teeth, wherein the fan drive is made by hydraulic motor, and fertilizer distributing apparatus from the PTO shaft of the tractor (the patent for invention RU 2384032 C1 IPC A01B 17/00, A01B 9/06).
The disadvantages of this weapon are: insufficient quality of loosening the soil and mixing fertilizer with air, and mixing of fertilizers with loosened soil.
This design is taken by us as the nearest equivalent.
The essence of the claimed invention is as follows.
The task, which directed the claimed invention is to increase the technical reliability and uniformity of distribution of fertilizers throughout the depth of the arable layer. The technical result - uniform distribution of fertilizer in arable horizon, increasing the yield of agricultural crops.
Said technical result is achieved in that the combined tillage tool, comprising mounted on the frame of the dump body, fertilizer distributing machines with tubes, high-pressure fan with a duct that is sealed to the tubes, and the tubes fixed to the rear side of the blade and are paired along the radius with the Windows, made between the plowshare and moldboard tangent to the surface of dumps, on the outer surface of the front of a ploughshare prescribed�s shank lugs, the continuation above the Windows which are in the form of teeth, shank according to the invention, the projections have a cutting edge, which is directed along the path of movement of the layer of soil cut shingles and has a hard wear-resistant surfacing alloy, with cutting edge shank protrusions involves ripping guides formed on the outer surface of dumps along the guide rails parabolic curve and having on the outer surface of the solid surfacing wear-resistant alloy, in the side wall of the fertilizer distributing device is made of a batcher-mixer of fertilizer, which is a screw auger left-hand direction, the side wall of the auger housing from the side of the sowing unit is missing, the lower part of the auger housing are sealed and connected to a mixer wire having a metering valve and hermetically bonded to the tubes.
The invention is illustrated by drawings.
Fig.1 is a diagram of the plow, side view.
Fig.2 - cross section a-A in Fig.1.
Fig.3 - view of B in Fig.2.
Fig.4 as seen From Fig.1.
Fig.5 - remote element of the I - mixer-Director.
Information confirming the possibility of implementing the claimed invention are as follows.
Combined tillage tool includes a frame 1, the attachment device 2 and equipment�about high-pressure fan 3 with the discharge duct 4 and the de-aeration pipe 5. On the frame mounted fertilizer distributors 6. To the bottom of the frame 1 mounted plow body, consisting of 7 and dumps plowshares 8. To the rear of the dumps 7 is fixed to the tubes 9, hermetically United with fertilizer distributing apparatus 6. The outlet of toolprovider 9 is hermetically connected with Windows 10, made in the plowshare 8. The output cavity of Windows 10 is directed tangentially to the blade 7 and TakeProfit 9 associated with Windows 10 on the arc of a circle. Plow the housing is secured to the frame of the gun with struts 11 and the tubes 9 covered 12. Above the Windows 10 on the ploughshare 8 performed loosening the lugs 13, the cutting edge which is directed along the path of movement of a layer of soil, cut by the plowshare 8. The outer cutting edge shank lugs 13 has a hard wear-resistant surfacing alloy. Cutting edge shank lugs 13 involves ripping guide 14 made on the outer surface of dumps along the guide rails 7 a parabolic curve. Cutting edge ripping guide 14 has a hard wear-resistant surfacing alloy. In the side wall of the fertilizer distributing apparatus 6 is made the dispenser-mixer 15 fertilizer, representing a screw auger left-hand orientation. In this case the side wall of the auger housing from the side of the sowing unit 6 is missing. The lower cavity of the casing ø�ESA 15 are sealed and connected to a mixer wire 16, which has a metering valve 17, a Mixer wire 16 is sealed to tokorode 9. The fan motor 3 is made by hydraulic motor.
Combined tillage tool operates as follows.
When moving guns in a sunken condition of the shingles 8 cuts a layer of soil in the horizontal plane and sends it on the blade 7. Ripping the tabs 13 cut the seam with a vertical plane. In cut the slit seam through the Windows 10 under the pressure created by the fan 3, served tokobondela the mixture through the tubes 9. Since ripping the projections have a cutting edge directed along the motion path layer, they produce a shift and the destruction of the layer in the transverse direction. On the blade 7 is partially loosened layer is subjected to a loosening of the guides 14, which improves the crushing of soil. Tokobondela the mixture penetrates into the pores of the damaged layer and insures the fertilizers of all arable horizon. Tokobondela the mixture is formed as follows. The pressurized air flow from the fan 3 through the duct 4 is fed to the de-aeration pipe 5 from which air is supplied to the coils of the auger 15 and acquires a left-hand rotational movement. The air flow entrains the fertilizer from the fertilizer apparatus and forms a t�kovesdan mixture, which is sent from the mixer-guide wire 16 From the mixer-guide wire 16 tokobondela mixture in the tubes 9 is fed in Windows 10. The fertilizer rate regulated by a slide 17.
Combined tillage tool, comprising mounted on the frame of the dump body, fertilizer distributing machines with tubes, high-pressure fan with a duct that is sealed to the tubes, and the tubes fixed to the rear side of the blade and are paired along the radius with the Windows, made between the plowshare and moldboard tangent to the surface of dumps, on the outer surface of the plow in front of the shank is provided a protrusion, which continued over the Windows made in the form of teeth, characterized in that the loosening projections have a cutting edge, which is directed along the path of movement of the layer of soil cut shingles and has a hard wear-resistant surfacing alloy, this cutting edge shank protrusions involves ripping guides formed on the outer surface of dumps along the guide rails parabolic curve and having on the outer surface of the solid surfacing wear-resistant alloy, in the side wall of the fertilizer distributing device is made of a batcher-mixer of fertilizer, which is a screw auger left WA�STI, the side wall of the auger housing from the side of the sowing unit is missing the lower part of the auger housing are sealed and connected to a mixer wire having a metering valve and hermetically bonded to the tubes.
SUBSTANCE: tool comprises a frame assembly, front and rear hitch assemblies and an assembly interacting with the ground. The front hitch assembly is connected with the frame assembly and is made with the ability of connection to the towing vehicle. The rear hitch assembly is connected to the frame assembly and comprises the first and second levers and a hitch. The first and second levers extend between the frame assembly and the hitch. The hitch is made with the ability to connect to the auxiliary tool. The assembly interacting with the ground is connected with frame assembly and is located between the first and second levers. The assembly interacting with the ground comprises embedding system of execution. In contrast to the first embodiment the tool frame assembly according to the second embodiment comprises the first and second transverse beams and a plurality of the first embedding systems connected to the first transverse beam. The rear hitch assembly is made Y-shaped. According to the third embodiment the frame assembly comprises the first, second and third transverse beams and a transverse tube, and a plurality of cultivating discs. The discs are connected to the first and second transverse beams. Additionally, the tool has a plurality of first embedding systems connected to the third transverse beam. The first and second levers of the rear hitch assembly are pivotally connected to the second transverse beam and with the ability of sliding are connected to the transverse tube. The assembly interacting with the ground is connected with the second transverse beam of the frame assembly and is located between the first and second levers. The assembly interacting with the ground comprises a second embedding system.
EFFECT: constructive implementation enables to reduce the voltage at the hitch assembly or tool when towing containers of large size without reduction of uniformity of distribution of materials applied into the soil.
20 cl, 5 dwg
SUBSTANCE: method comprises cutting of slot, raking to the sides of field residues while simultaneous loosening at a predetermined width, fertiliser application to the controlled depth and compacting of the treated strip. Loosening is carried out to the desired depth with the restriction of zone of deformation expansion in the longitudinal and vertical plane to the width of the treatment. The tool comprises working sections mounted on the frame using the parallelogram mechanism. Each section comprises a height-adjustable chisel ripper with fertiliser guide. In front of the chisel ripper the central circular knife with flanged and a pair of disc cleaners are mounted. Behind the chisel ripper, a pair of circular knives and a compactor is mounted. A pair of height-adjustable circular knives is mounted at a depth with overlapping with its plane of the deformation zone from the chisel ripper. The width of arrangement of the pair of circular knives in cross-vertical plane is equal to the width of the treated strip.
EFFECT: reduction of energy consumptions and improvement of quality of soil treatment.
3 cl, 2 dwg
SUBSTANCE: tool comprises a wedge rack, a fertiliser duct mounted on its rear part, and at its lower part - ploughshares and the vertical rotary blade mounted in the rack alignment and in front of it. Under the plowshares there is the distribution fertiliser duct coupled with the fertiliser duct with exit windows and guide vanes placed at a variable angle to the direction of motion. At the place of coupling the distribution fertiliser duct and the fertiliser duct there is a fertiliser flow divider. The tool is equipped with screw fertiliser dispenser for mixing NPK fertiliser and powdered polyacrylamide having a cylindrical regulator of seeding rate, and a high-pressure fan. The screw fertiliser dispenser drive is made from the vertical circular blade. The fan is driven by a hydraulic motor. The plowshares have upper sharpening and welding of the lower part of the blade with hard wear-resistant alloy. In the middle part of plowshares throughout their length there are fertiliser-outlet openings directed towards the plane of the plowshare at an angle equal to the angle of sharpening the plowshare blade. Over the fertiliser-outlet openings the wedge rippers are provided of the soil layer cut by the plowshare. The upper sharpened part of the rippers has welding of the solid wear-resistant alloy. The distribution fertiliser duct at the lower part is radially paired with the fertiliser-outlet openings. The length of the wedge rippers made at an angle to the plane of the plowshare overlaps the outlet part of the fertiliser-outlet openings. Opening angle of the wedge rippers is equal to the angle of friction of sliding soil on the metal. The bottom of the fertiliser dispenser is made with a slope to the screw at an angle greater than the angle of friction of sliding fertilisers on metal.
EFFECT: uniform distribution of a mixture of mineral fertilisers with polyacrylamide around arable horizon that results in improved soil properties providing receiving of high and stable yields of crops.
SUBSTANCE: device comprises a frame with systems of hinging and adjusting the depth of processing, working elements. The working elements are made in the form of chisel and hingedly fixed A-hoes on the racks. The device has pipeline connected to each other of feeding the fertiliser with check valves, a manifold, a dispenser with the container. The container is connected with the compressor of the tractor and has a pressure reducing valve. The upper part of the chisel is formed wavelike with the channels inside having outlet to the vertex of each wave, at that the fastening of the working element to the frame is made with the ability to move, and in the lower part of the rack the channel is made connected to the channel of the chisel and through the pipeline to the check valve - the compressor and dispenser with the container.
EFFECT: reduction of energy intensity of the process, reduction of fertiliser application rates and improvement of quality of soil treatment.
SUBSTANCE: method comprises loosening the soil and saturation of arable horizon with the nutrient medium. The nutrient medium is a mixture of NPK fertilisers with powdered polyacrylamide. The device comprises a frame on which the wedge-like racks are mounted with ploughshares in the lower part anda fertiliser hose in the rear part for loosening the soil and placing the nutrient medium. In front of the racks there are vertical circular blades with bearing ribs-limiters of the processing depth. On the frame over the rack there is a fertiliser dispenser, pneumatically connected to the pressure cavity of the fan. The fertiliser dispenser comprises a cylindrical fertiliser hopper, on the bottom of which the removable seeding disc with cells is placed, formed on the periphery of the disc and located relative to each other with overlapping, providing the continuous supply of fertiliser with powdered polyacrylamide. Over the sowing window in the bottom of the fertiliser hopper there is an air duct connected to the pressure cavity of the fan. In the lower part of the air duct on the side of the cell inlet a flexible reflector is mounted with the ability to overlap the inlet cell. On the seeding disc adjoint with the cells the cone agitator-guide of fertiliser is mounted. The ploughshares of subsurface plough are mounted at an angle of crumbling, in the upper part they are made curved with parabolic curvature. The ploughshares have an upper blade sharpening and facing with hard abrasion-resistant alloy of the lower part. In the rear part under the ploughshare there is a fertiliser spreader adjoint with the curved part of the ploughshare and having an outlet nozzle directed tangentially to the curved part of the ploughshare.
EFFECT: this technology and design enable to reduce energy consumption and increase crop yields.
2 cl, 5 dwg
FIELD: woodworking industry.
SUBSTANCE: device comprises a housing with working elements attached to it. The housing is made of a box shape of triangular cross section. The rockers are mounted in the corners of the housing on the support shafts. On each rocker on one side the wheels are mounted, and on the other - the intermediate shaft. The intermediate shafts are pivotally interconnected by the adjusting rod. The rod is pivotally connected to the hydraulic cylinder. The hydraulic cylinder is mounted on the "П"-shaped support. On the sides of the housing relative to the central axis the channel brackets are mounted, forming a mouldboard. On the upper shelves of the channel brackets the pipes are rigidly welded. The working elements are hingedly mounted from below of the housing, made in the form of openers at a distance of 5-15 cm and with a depth of tillage from 2.5 to 5 cm. The openers and the rockers are mounted on the shafts with the ability to change the position in the vertical plane.
EFFECT: improvement of quality of forest soil surface treatment to improve germinating ability of seeds under natural forest regeneration.
SUBSTANCE: invention relates to agricultural machinery. The tool comprises a frame with racks fixed on it, a tank for fertilisers. The racks have the vertical part with the inclined right- and left-sided blades and the fertilising tubes with the sprayer located on the rear side. The racks are mounted on the frame in two rows, the fertilising tubes are mounted on the first row racks. The diameter of the tubes is smaller than the width of the racks. The vertical parts of the second row of the racks have smaller coverage to avoid damage to the walls of the slots and create an additional resistance. The sprayers are made with the ability to spray fertiliser in both directions. The desired depth of spraying of the fertilisers is set by moving the fertilising tube along the rack up or down, providing spraying of the fertiliser in the center of the crown of the roots of cultivated plants, depending on the depth of location of the basic mass of the root system.
EFFECT: constructive implementation enables to reduce the traction resistance of the tool and to provide per a single pass of the tool the deep tillage and application of fertilisers in the soil avoiding the negative impact on the environmental condition.
SUBSTANCE: tool comprises a wedge-shaped stand, fertiliser tubes mounted at sides, and ploughshares fixed in the lower part. Fertiliser-guiding holes are arranged in the area of shoe fixation to the stand in the shoe and are coupled to the horizontal part of the shoe along parabolic curves. Ploughshares are fixed to the shoe by means of countersunk-head bolts. The shoe has bores in the upper part. Disk knives with countersunk heads in ploughshares are mounted on axes in bores between ploughshares and the shoe. Disk knives protrude beyond the border of ploughshare blades.
EFFECT: reduction of traction resistance in process of tool movement, and also provision of fertilisers application simultaneously with soil treatment, which helps to increase crop capacity.
SUBSTANCE: sowing combined set comprises tractor with joint hinge, cultivator, triangular coupling, seeder with ventilation plant, comprising wire and soil compactor. Frame of triangular coupling is installed on cultivator frame. Triangular coupling is equipped with intermediate support axis with central freely rotating shaft with coupling bracket and has vertical hinged joint. Seeder is connected with coupling bracket with possibility of horizontal mobility, and support bars of soil compactor are installed on its main and side frames. Frames of soil compactor, comprising spring stand, at the end of which there is axis installed with two rolls, are fixed to support bars hingedly on fingers. Rolls are arranged opposite to each seeding element. Besides, shaft of ventilation plant drive is connected to shaft of tractor power take-off by flexible shaft with the help of flange joints.
EFFECT: invention makes it possible to reduce load at soil and to increase quality of soil processing, application of fertilisers and sowing.
3 cl, 1 dwg
SUBSTANCE: sowing complex includes seed hopper and pneumatic sowing machine, including short tongue. Short tongue is installed on frame reducer and is tied with hydraulic cylinder fixed on frame and joined by stem with slot at short tongue bracket. Support wheels with mechanism of depth control, pneumatic transport system and hydraulic drive of frame folding are installed on frame. Sections with pointed ploughshares are fixed on base and hingedly joined wings of frame by means of longitudinal horizontal hinges arranged in the centre of sections. An appropriate battery of rolling wheels is fixed to each section hingedly with the possibility of turn in longitudinally vertical plane.
EFFECT: sowing complex has reduced metal intensity and increased manoeuvrability and makes it possible to improve quality of sowing.
SUBSTANCE: combined tool for potato growing comprises the plough body with a shortened mouldboard mounted on the frame, and a drive vertical rotor with the hub placed behind it. The upper part of the hub is fixedly attached to the support disc. The lower part of the hub comprises the working bodies of the first tier on the multiple-thread helical line - lifting blades, in the middle part the working bodies of the second tier - the grinding elements in the form of ripper fingers. The ripper fingers comprise the bearing rods rigidly fixed in the lower surface of the support disc, with removable working bodies attached to them, made in the form of wedge-shaped prisms or cutting blades. A part of the rod fixed to the disc is not less than 1/4 of its length. The third tier is located above the hub and the support disc and consists of inclined beater planks rigidly secured at an angle to the vertical axis of the rotor. The lower ends of the beater planks are attached to the lower part of the hub, the middle part - to the bearing rods, and are interconnected with the upper ends by a ring. In the potato digging mode the digging plates are mounted on the bearing rods and the inclined beater planks, in the form of a polygon. The lower side of the polygon is set with a gap increasing from the rotor axis, and the lateral is parallel to its axis.
EFFECT: increased degree of layer crumbling in the basic tillage mode, and reduction of damage to tubers when digging them out, reduction of labour intensity for changeover of the tool, and increase in reliability of elements of the structure.
3 cl, 6 dwg
SUBSTANCE: invention relates to agricultural engineering and is intended for embedding into soil of hard-crushed plant residues such as stalks of oil flax. The pusher is mounted at an angle to the direction of movement and is mounted either in front of the tractor or in the rear part of the plough at the side of the untreated field.
EFFECT: invention provides offset of roller of plant residues by the pusher in the furrow opened by the plough, compaction of the roller at the bottom of the furrow by the tractor wheels moving on it, and then ploughing of the compacted roller and uncut stubble by the plough bodies with trash covers.
4 cl, 3 dwg
SUBSTANCE: invention relates to agricultural machinery industry, in particular to tillage equipment. The plough comprises right-hand or left-hand share-mouldboard housings. The hare-mouldboard housings are equipped with tillage discs fixed one by one at the rear ends of the mouldboards. The lead angle of the discs is set opposite towards the angle of the soil shear by the share-mouldboard housings.
EFFECT: invention enables to provide a complete overturn of the layers, to improve the quality of plowing and to reduce tractive resistance.
SUBSTANCE: invention relates to agricultural machine building in particular to the combined plows. The plow comprises a ploughshare, a mouldboard, a field board, and a rack. The mouldboard comprises a shield and a freely rotating volume disk. The disc is mounted behind the shield. The angle "Г" determining the disk capacity is in the range: 180° > "Г" > 90°.
EFFECT: constructive implementation enables to improve the operational reliability and durability of the plow, to reduce material consumption of the plowing process by reducing the resistance of the treated soil, and improve performance due to increasing the rate of soil treatment.
SUBSTANCE: fertilising unit for application of the active ingredient in the root zone of a set of plants includes: subsoil plant-feeder with a cutting element for formation of a furrow in the ground, an injector connected to the cutting element to provide injection of the active ingredient in the furrow, and the positioning device made with the ability to change the position of the cutting element so that a furrow is formed in one material in the root zone when moving of the cutting element through the other material in the root zone. In the fertilising unit there is also a surface plant-feeder made with the ability to apply the active ingredient on the soil surface, and a deflector made with the ability to push off low branches from the way of the fertilising unit. The method of processing a set of plants involves the use of the unit to form a furrow in the root zone, and the use of the unit for injection of the active ingredient in the furrow.
EFFECT: invention provides increase of efficiency of the active ingredient application in the soil, especially in areas with abundant vegetation.
42 cl, 6 dwg, 2 tbl
SUBSTANCE: device comprises a rectangular welded frame with hitch systems, fixtures of working bodies and the working bodies. The working bodies consist of racks of bits, and arched semihoes with a cut in the back part are hinged to them. The device has a capacity with a relief valve that is connected to the tractor compressor with air lines, and with working routes through the collector and the diaphragm dosing device to the pipeline of fertilisers supply, located on the rack. The arched semihoes and bits have interchangeable plates with cutting edges and are connected with them by means of threaded connections with the possibility of formation the gap between the bit and the plate.
EFFECT: design concept enables to expand the functionality of the device, increase operational reliability, reduce energy consumption of the process, reduce the application rate of fertiliser application while increasing the efficiency of its use, improve the quality of cultivated surface of soil.
SUBSTANCE: plough comprises frame-fixed mouldboard units and fertiliser dispensers with fertiliser hoses. Fertiliser dispensers are equipped with air system for pressure supply of fertilisers. System of fertiliser supply comprises high-pressure fan with drive from hydraulic motor and air duct. Air duct has tappings to each fertiliser dispenser. Fertiliser hoses are installed behind stands of mouldboard units and are tightly fixed to slots arranged between ploughshare and mouldboard of units and directed along tangent to ploughshare. Fertiliser hoses are matched with slots along circumference arc. Fertiliser dispenser comprises tightly sealed cylindrical jar, on bottom of which there is a disk-batcher arranged. Disk-batcher represents a rotor, blades of which are arranged along logarithmic spiral. Disk-batcher is arranged as replaceable, and thickness of disk-batcher is selected depending on norm of fertiliser application. In cover of cylindrical jar there is a nozzle provided for connection to air duct tapping. Nozzle is connected by channel in cylindrical jar with dispensing window. Dispensing window is arranged in jar bottom. Front wall of channel has limiter of fertiliser layer height. There is an agitator provided on driving shaft of fertiliser dispenser. Drive of fertiliser dispensers is provided from tractor power shaft.
EFFECT: such structural design will make it possible to reduce traction resistance and to provide for even distribution of fertilisers along width of plough layer.
SUBSTANCE: plough comprises frame-fixed mouldboard units and fertiliser dispensers with fertiliser hoses. Plough is equipped with high-discharge fan with air duct, which is tightly fixed to fertiliser hoses. Fertiliser hoses are fixed on back side of mouldboards and are matched along radius with slot provided between ploughshare and mouldboard along tangent to surface of mouldboard. Ripping ledges are arranged on outer surface of ploughshare upstream the slot, and their extension over slot is arranged in the form of teeth. Fan drive is provided from hydraulic motor, and fertiliser dispensers are driven from tractor power shaft.
EFFECT: such structural design will make it possible to reduce traction resistance, to provide for even distribution of fertilisers along the whole width of plough layer, which improves crop capacity of agriculture.
SUBSTANCE: method provides for disking and ploughing. Disking is performed simultaneously with ploughing using flat disks and is realised by cutting turf layer into strip parallel to plough movement. Strip width is not equal. Widest strips are cut at the longest distance from landward edge of plough. Width of the most distant strip from landward edge is from half to two thirds of grip width. Each next strip has the same ratio. Plough includes frame, housing and disk knives. Disk knives are installed in front of each plough housing so that the farthest from landward edge disk knife shares the width of grip in ratio from half to one thirds of the given edge. Next knives share the remaining width between landward edge and neighboring knife in the same ratio. Rotational axes of adjacent disk knives are shifted with regard to each other in plough movement direction at the value, which less knife disk diameter.
EFFECT: reduction of power costs, increase of productivity and improvement of matted soil treatment quality.
3 cl, 2 dwg
SUBSTANCE: invention relates to medicine, abdominal surgery, and can be used in treatment of duodenum ulcers. Duodenum is exposed and dissected at the level of distal edge of ulcer. First row of sutures is applied between distal edge of ulcer and anterior wall of duodenum. Indenting from proximal edge of ulcer, cut 5-6 mm deep is made on contour of ulcer bottom, forming "peak" from healing tissue. Between "peak" and anterior wall of duodenum second row of sutures is applied with tamponade of ulcer bottom with anterior wall of duodenal stump. The third row of sutures is applied between healing tissues of pancreas and anterior wall of duodenum. Method allows to suture duodenal stump reliably and hermetically due to reduction of tension of duodenum anterior wall during suturing.
EFFECT: ensuring possibility to suture duodenal stump reliably and hermetically.
4 dwg, 3 ex
FIELD: agricultural engineering, in particular, tillage and preparing of soil for sowing procedure.
SUBSTANCE: plow has frame, disks, working tool designed for rotating and placing of soil layer into furrow and provided with helical working surface, and mellower. Shaft with corrugated disks and mud scrapers is mounted on tines on frame. Working tool is made in the form of half-screw whose inner side is extending centrally of horizontal straight line from leading end to working tool end and outer helical working surface terminates in shank beveled at an acute angle to horizontal plane. Mellower attached to front side of working tool is made in the form of hoe. Replaceable harrows joined to shank are comprised of plates beveled at an acute angle on their front sides. Working tools with right-handed and left-handed direction of rotation of ground are alternatively mounted on frame. Supporting compaction roller with mud scraper is mounted rearward of frame on tines. Mounted on frame are also shaft height adjustment mechanism and supporting roller height adjustment mechanism for adjusting height of roller and supporting mechanism relative to frame.
EFFECT: improved quality of soil tillage, reduced erosion processes and increased efficiency in weed controlling.