Sprinkler irrigation installation
SUBSTANCE: sprinkler irrigation installation contains an elbow irrigation pipeline equipped with sprinkler heads, support wheels, a drive positioned in the middle of the central section and section connection couplings. The lower journals of the elbow pipe rest on the support wheels positioned in the spacings between agricultural crops rows with the sprinkler heads mounted onto the pipeline upper journals. The upper journals of the elbow pipe are positioned at a level of 2.5-3.0 m above the ground level. The pipeline relies on double-wheel support bogies positioned at the pipeline ends and in the middle (where the drive motor is mounted) and one-wheeled supports. Over the support bogies and one-wheeled supports there are brackets arranged cable-connected to the drive bogie bracket. The sprinkler heads have spoon-shaped deflectors whose bottom plates are represented by parabolic curvilinear surfaces. The bottom plate has curvilinear splitter fins aligned with the parabolic curves. The sprinkler heads are connected to the irrigation pipeline with delivery pipes whose length (equal to 1.0-1.2 m) exceeds the pipeline support wheels radius.
EFFECT: design ensures minimisation of the device transportation labour intensity and enables tall-stalked crops watering.
The invention relates to agriculture, namely the means of irrigating crops mainly sprinkling in a mobile irrigation technique.
Known sprinkler installation comprising a cantilever attached to the top of the mast supporting element of the drip line, the free end of which is connected with the vehicle, in which, with the aim of expanding the operational capabilities and improve the efficiency of irrigation, the supporting element is designed as cable mounted with the possibility of axial movement and is provided free of pipeline section of variable length (SU inventor's certificate No. 1485459).
The disadvantages of this sprinkler installation include the complexity of the design, a large consumption of materials and low quality of rain.
Known sprinkler comprising a frame made of pipes with a handle mounted on it, the drum, the tubular axis of which is connected through a flexible hose drum to the sprinkler riser apparatus, in which, to simplify design and improve maintainability, the handle connected to the frame hinge, made hollow and is hydraulically connected with the tubular axis of the drum, while the junction of the sprinkling apparatus is mounted on the free end of the arm; it is equipped with supporting wheels and recoat is and is equipped with a backup vertical position when watering and lock the horizontal position during transportation (SU, copyright certificate №1500208).
The disadvantages of this sprinkler installation include the complexity of the design, most consumption, low productivity and low quality of rain.
Known sprinkler comprising a frame in the form of spatial farm from pipes on the vehicle with the pump unit and mounted on it by means of flexible cables feeding the pipeline with sprinkler devices, with flexible water conveyance pipeline is made sectional, each section has a segment of flexible tubing and flanges, mutually associated bearing element adjacent sections are connected by a transition element and the flanges are mutually bonded fasteners at the ends of the segments are fixed in the fitting grooves of the flanges and of the transition element, the last in the collection given the shape of a ball belt, the surface of which is mounted a disk with holes for connection of cables with frame (RU, patent for invention №2238640).
The disadvantages of sprinklers include the design complexity associated with the use of pumping stations, water intake device and start the pump. In addition, water is drawn from the temporary channel-fill, made in the earthen channel, the water carries a significant amount of sediment that bring the it clogged sprinkler nozzles and reduce the reliability of sprinkler installation.
Known wide-wheeled sprinkler made sectional and equipped with sprinkler nozzles, wheel bearings, drive located in the middle of the Central section, and a coupling for joining sections, with each section of the power tubing made of polyethylene pipes low pressure connected in series couplings, and placed in the cavity of the bearing member formed by C-shaped curved profiles, the ends of which are connected by flanges, the hub of each wheel pair comprises a supporting member and sprinkler nozzles connected to power pipeline through nipples, placed between the shelves adjacent the C-shaped bent shape of the bearing member, with each wing, which is connected with the Central section, provided with a slipping clutch (RU, patent for invention №2250602).
The disadvantages of wide-wheeled sprinkler are limited height of irrigated crops, education moistened the soil surface in the area of supporting wheels, when the movement of the sprinkler causes rutting and leads to considerable difficulty in movement.
This drawback leads to the curvature of the pipeline and significantly reduces the operational reliability of the sprinkler.
Known number is sny sprinkler piping, made sectional and equipped with sprinkler nozzles, wheel bearings, drive located in the middle of the Central section, and a coupling for joining sections, with couplings for joining pipe sections performed each in the form of two concentric pipes with flanges mounted for rotation one relative to another and interconnected by means of a spring-loaded latch, while the flange of the outer pipe fixed in the flange of the inner pipe by means of the snap ring, and the inner diameter of the inner pipe is equal to the inner diameter of the conduit (SU inventor's certificate No. 1402297).
The disadvantages of this wheeled sprinkler piping are limited height of irrigated crops, education moistened the soil surface in the area of supporting wheels, which causes the movement of wheeled sprinkler piping rutting and leads to significant difficulty of movement that causes the curvature of the pipeline and reduces the operational reliability of the wheeled sprinkler pipe.
This wheeled sprinkler piping adopted as the nearest equivalent.
The invention consists in the following.
The task, which directed tablemountain, - improving the reliability and extending the functionality.
The technical result - the reduction of the strain on the movement, enabling irrigation of tall crops.
This technical result is achieved by the fact that in the known sprinkler Assembly, including irrigation pipe made sectional and equipped with sprinkler nozzles, wheel bearings, drive located in the middle of the Central section, and a coupling for connection sections according to the invention of irrigation pipe is made of a bent, the lower cervical cranked pipe placed on a supporting wheels mounted on the rows of crops, and on the top of the neck of a bent pipe placed sprinkler heads, and upper cervical cranked pipe placed over the soil surface at a height of 2.5-3.0 m, bearings crankshaft of the pipeline are two-wheeled supporting truck set the edges of the pipe and in the Central part of the driving motor, and a one-wheeled supports, above the support trucks and wheel bearings provided by the brackets, connected by cables with bracket drive truck, sprinkler nozzles made with a spoonlike baffle, bottom spoonlike deflector nozzles made by PA is Obolonskiy curved surface, and on the bottom is provided with a curvilinear edge dividers, made by a parabolic curve, with sprinkler nozzles connected with irrigation pipe with the inlet tube of a length greater than the radius of the supporting wheels of the pipeline and is 1,0-1,2 m
Due to the fact that irrigation pipe with sprinkler nozzles is located at a height of 2.5-3.0 m, allows irrigation of tall crops, and location of supporting wheels anhydride soil prevents the formation of ruts and reduces the force on the movement of the sprinkler unit, and achieves the above technical result.
Conducted by the applicant's analysis of the prior art, including searching by the patent and scientific and technical information sources and identify sources that contain information about the equivalents of the claimed invention, has allowed to establish that the applicant is not detected similar, characterized by all the features of the claimed invention.
Therefore, the claimed invention meets the requirement of "Novelty" under the current law.
The invention is illustrated by drawings.
Figure 1 shows the design of the sprinkler Assembly - rear view.
Figure 2 - the same, top view.
Figure 3 is a view As in figure 2.
Figure 4 - sprinkler Nashik is - the cross-section.
Figure 5 - sprinkler nozzle - top view.
Information confirming the possibility of implementing the claimed invention are as follows.
Sprinkler Assembly includes a crankshaft irrigation pipeline 1 with the intake pipe 2 via a flexible hose connected with the hydrant to the pipeline closed irrigation network. Cranked the pipeline 1 is based on a two-wheeled cart 3 and unicycle supports 4, which are placed in the irrigated field on row crops. The Central two-wheeled cart 5 is driven, and it is the drive motor 6. The Central two-wheeled cart 5 mounted on the bracket 7 for driving the sprinkler unit. The bracket 7 is connected to a bracket 8 mounted on two-wheeled carts 3 traction cables 9. On the upper neck cranked irrigation pipe 1 located at a height of 2.5-3.0 m from the soil surface, installed sprinkler nozzle 10.
The drive to the wheels of the Central two-wheeled carts 5 from a drive motor 6 is made by means of a chain 11. Sprinkler nozzle 10 is connected to a crankshaft of irrigation pipe 1 through the inlet pipe 12 of a length greater than the radius of the supporting wheels of the pipeline and is 1.0 to 1.2 m Internal diameter 13 podvodyatsya should ensure the passage of water with a flow rate of 1.0-2.0 l/C. The bottom 14 spoonlike sprinkler nozzles 10 are made in a parabolic curved surface. On the bottom 14 is provided with a curvilinear edge dividers 15, manufactured by parabolic curves.
Sprinkling unit operates as follows.
Before irrigation sprinkler unit is installed on the box so that two-wheeled cart 3 and unicycle support 4 is placed at the row spacing. The inlet pipe 2 is connected with a flexible hose and hydrant to the pipeline closed irrigation network.
Turns on the water supply in the crank irrigation pipeline 1, and sprinkler nozzles 10 produce a fine sprinkling on a given position. While the soil moisture and leafy mass of plants is only possible until the centerline of the wheels supporting two-wheeled trolleys 3, that is, in the rear part of the sprinkler Assembly.
Ahead of the sprinkler unit, the soil remains dry. After issuing irrigation norms on the installed position, the operator turns off the irrigation pipe from the hydrant, disconnect the flexible hose makes draining water from the irrigation pipe 1 through a drain valve (not shown). After draining the water from the drip line turns on the drive motor 6, and sprinkling unit moves to a new position. When moving krons the Ein 7 through the ropes 9 affects the brackets 8 two-wheeled trolleys 3, and sprinkling unit front moves to a new position. Since the reference wheel trucks 3 and unicycle supports 4 are on a dry soil surface, the force on the moving sprinkler unit to be insignificant.
Crankshaft duct design allows the passage of the upper cervical crankshaft pipeline over tall plants without damaging them.
Sprinkling unit, including irrigation pipe made sectional and equipped with sprinkler nozzles, wheel bearings, drive located in the middle of the Central section and couplings for connection sections, wherein the irrigation pipe is made of a bent, the lower cervical cranked pipe placed on a supporting wheels mounted on the rows of crops, and on the top of the neck of a bent pipe placed sprinkler heads, and upper cervical cranked pipe placed over the soil surface at a height of 2.5-3.0 m, bearings crankshaft of the pipeline are two-wheeled supporting truck, installed along the edges of the pipe and in the Central part with the driving motor unicycle and support, over the anchor trolleys and wheel bearings provided by the brackets, connected by cables with bracket results in the Noah trucks, sprinkler nozzle is made with a spoonlike baffle, bottom spoonlike deflector nozzles made in a parabolic curved surface, and the bottom is provided with a curvilinear edge dividers, made by a parabolic curve, with sprinkler nozzles connected with irrigation pipe with the inlet tube of a length greater than the radius of the supporting wheels of the pipeline and is 1,0-1,2 m
SUBSTANCE: fertiliser and chemical solutions applicator comprises a pressure line mounted on a water pipe of a sprinkling machine with the hydraulic drive of supporting carts and a synchronisation system, a sectional spraying boom with sprinklers that is vertically adjustable between the supporting carts and connected to the pressure line. Liquid feed regulators are mounted at each cart and are connected to the pressure line and the spraying boom. They are made as diversion valves in which a valve stem interacts with a radius rod of the supporting carts hydraulic drive with the help of a spring-loaded rocker arm and stops fixed on the radius rod. The applicator is equipped by a synchronisation system for the sprinkling machine supporting carts with the system being fitted with rods and bars and by regulating valves, one of them being set between the pressure line and the applicator diversion valve, the other one is connected to the water pipe. Regulating valves are kinematically connected to the motion synchronisation system for the sprinkling machine supporting carts.
EFFECT: even distribution of fertilisers and chemicals on the irrigated surface by the correlation of the sprinkled solution volume to the motion speed of separate sprinkling machine supporting carts.
SUBSTANCE: it is used in automatic control devices for regulating motion of a multitower front sprinkling machine. Control system comprises pipelines of the right and left machine wings with the pipelines being mounted on the carts with a hydraulic drive, a course stabilising system fitted with a guiding rope and fed from the sprinkling machine water pipe and a synchronisation system for the linear carts motion. Peripheral carts are fed from an additional pipeline which is hydraulically connected to the main sprinkling machine pipeline through respective regulating valves of the course stabilising system and further through the synchronisation systems for peripheral carts motion; feeding is made parallel that provides for fast adjustment in case of deviation from the rectilinear machine motion.
EFFECT: simplifying design of the machine actuator control system.
SUBSTANCE: trolley contains frame with wheels and spade bug interacting with brakes and tips placed on pushers, which are in hinge connection with hydraulic cylinder through T-shaped lever and with selector valve and synchronising system by means of traction system. T-shaped lever links lower lid of drive hydro cylinder with pushers and is provided with upper and lower fixing points displaced in one plane. Lower point is used for pusher fixing while moving in one direction, upper point is used pusher fixing while moving in the other direction. There are holes on pushers to displace tips during their mounting in upper position and at a distance divisible to pusher fixing axes height with regard to each other. If trolley movement direction is changed, tips position is changed to opposite.
EFFECT: simplified design, wide functional possibilities, increased level of unification and decreased operational and reduced costs for sprinkling machines upgrading and production.
2 cl, 1 dwg
SUBSTANCE: invention refers to self-propelled front sprinkling machine controller. Controller contains beam-fixed bars and control units. Sliding guide block travels along trench and is interlocked with beam using suspension bracket. Guide block is as designed as isosceles triangle vertex of which through flexible loop suspension bracket is connected to beam. Supports of machine control units are fixed on guide block in immediate proximity from slide. Slide is designed as hinged compound-chain mechanism.
EFFECT: design simplification, higher control reliability and accuracy of front sprinkling machine actuators.
3 cl, 2 dwg
SUBSTANCE: irrigation machine has an internal explosion engine, water intake, pump, delivering water into water-conducting pipe with a sprinkler and in supply canals of central and periphery bogies, and systems of directional and in-line control. An additional pump with an independent drive for the internal exposure engine is the second stage of the main pump with the opportunity to deliver water into the supply canals of central and periphery bogies separated from the water-conducting pipe. The systems of directional and in-line control are hydraulically connected with each other and mounted in the supply canals of central and periphery bogies.
EFFECT: decrease of power consumption during watering while using low-pressure pumping power equipment and enhancement reliability and movement steadiness of undercarriages.
SUBSTANCE: irrigation machine incorporates a fixed support, self-moving trolleys with a hydraulic driver and a pressure pipeline. The lower part of the latter contains irrigation facilities, which include a pipe with a corner, with water transmission lever being arranged therein. On the free end of the water transmission lever, an additional corner and a sprinkling machine are disposed. The water transmission lever and sprinkling machine can rotate about the corners and change their position with respect to the ground surface from 0.6 to 2.5 m. To fix the position of the water transmission lever and sprinkling machine, the corners are equipped with the supports connected by means of bolts with fixers furnished with several holes. The pipe accommodates a filter, with its upper end being in water flow of the pressure pipeline. Thread segments of the water transmission lever are made of stainless steel.
EFFECT: simplified design, smaller size and steel intensity, improved exploitation characteristics.
SUBSTANCE: wheel sprinkling pipeline contains the extended spigots installed on the pipeline in places of joining of basic wheels, and these spigots are fast connected to the pipeline and with basic wheels. On each extended spigot fitted on the rotary spigot with twirl possibility on which stabilizer blades and a counterweight serving for orientation of stabilizer blades concerning a ground surface are fixed. One end of the rotary spigot is gear for cogging with the spigot-slide block, fitted on the extended spigot with up-and-down motion possibility on it. The spigot-slide block by means of a spring is spring-loaded concerning the extended spigot. The spigot-slide block end turned towards the rotary spigot and it is executed in the form of the frustum of a cone which smaller basis has teeths for the clutch with the gear end of the rotary spigot. For the drive of stabilizer blades on the extended spigot two hydrocylinders which stocks are connected to the spigot-slide block are symmetrically fixed. Thus the rotary spigot is supplied by two arms on which the horizontal axes are fixed hinged and they fast connected to levers having spherical support, contacting to external walls of a cone part of the spigot-slide block. Horizontal axes are fast connected with stabilizer blades which are connected among themselves by means of the return spring fixed on bars, that are placed on the top part of stabilizer blades. And, as stabilizer blades are fast connected through horizontal axes with levers that due to the return spring pressing of the spherical support to external walls of a cone part of the spigot-slide block which have been placed on the ends of levers is also provided. The stabilizer blade is executed in the form of the lever in which bottom part the pointed core is fixed that is supplied with a basic disk which provides a load dispatching that outgo from the stabilizer blade on a ground and interferes with that to a stabilizer blade lowering in soil. Rods on which the counterweight is fast fixed are hinged connected to horizontal axes. Cavities of hydrocylinders by means of flexible conduits are connected with a main connected to a strut of the sprinkler. Invention use will allow preventing completely spontaneous overrolling of the wheel sprinkling pipeline at wetting. As the wheel sprinkling pipeline during all wetting process will be fixed in some position that will prevent its spontaneous overrolling in both directions at affecting on it of a wind load or at its use for irrigation of inclined sections.
EFFECT: raising the productivity due to time abbreviation on moving the wheel sprinkling pipeline on a new position.
FIELD: agriculture, in particular, process for irrigation of plots with long-term culture of perennial grasses.
SUBSTANCE: method for operating of multiple-tower circle sprinkler machine during five year cultivation time involves using machine with immovable support; connecting said machine to irrigation valve of closed irrigation system; feeding water via pipeline for irrigation and moving support on rigid small section wheels; after initial two-year operation of machine on rigid small section wheels, when agronomically permissible depth of track is reached, simultaneously moving said machine relative to immovable support by placing tubular insert between immovable support and pipeline and widening wheels by connecting metal rims to rigid small section wheels of machine.
EFFECT: reduced crashing of plants due to effective utilization of plot areas.
2 dwg, 1 tbl
FIELD: agricultural engineering, in particular, sprinkler machines movable around central support.
SUBSTANCE: sprinkler machine has fixed support, self-propelled carts provided with hydraulic cylinders, and water feeding pipeline with sprinkler units. Bracket is fixed to cart power lever. Tips of front and rear pushes are equipped with additional tips. Wheel stops are provided with main and additional brakes and springs. Central angle between main and additional brakes is 125 deg. Main and additional speed regulators positioned on carts, except for terminating cart, are connected through tie-rods with water feeding pipeline. Water is fed from water feeding pipeline to speed regulators through inlet pressure hoses. For actuation of main and additional speed regulators, spherical valves connect outlet pressure hoses with hydraulic cylinder. Additional guides are mounted on cart. Actuation valves mounted on main and additional speed regulator are provided with hydraulic emergency protection pipes.
EFFECT: provision for reversing motion, simplified construction and enhanced reliability in operation of sprinkler machine.
FIELD: irrigation of farm crops in furrows, preferably cut along stand pipelines of irrigation network on fields divided into plots for simultaneous irrigation.
SUBSTANCE: method involves uniting simultaneous irrigation plots into daily irrigation groups and separating from one another by means of water-retention webs; performing irrigation of each simultaneous irrigation plot with additional moistening without changing of flow rate by continuing irrigation from each superposed plot with multiple norms for running-up of water along moistened furrows to the end of underlying plot, with superposed plot being irrigated at night; irrigating terminating daily-irrigation plot with soil moisture content not less than critical value and area of said plot being equal to or multiple the area of daily output by tractor after performing of post-irrigation cultivation processes.
EFFECT: provision for irrigation with norms exceeding norms of running-up of water along dry furrows, increased length of irrigation furrows, uniform distribution of water along irrigation furrows, and increased area of daily irrigation.
FIELD: irrigation equipment mounted on mobile sprinkler units for drop or fine-dispersion sprinkling systems.
SUBSTANCE: sprinkler unit has frame made in the form of three-dimensional construction comprising pipes mounted on vehicle equipped with pumping station and intake hose. Flexible water supply pipeline with sprinkler apparatuses is fixed on frame by means of cables. Water supply pipeline is made sectioned. Each section has segment and flanges connected with one another by means of carrier member made in the form of bent C-shaped profile or rolled part. Sections are connected with one another through adapter member made in the form of hollow spherical shell with disk arranged in meridian plane and with the help of fastening means. Adapter member is arranged in cavities at inlet end and at outlet end of adjacent segments of flexible water supply pipeline. Fastening means are made in the form of pins inserted into axially aligned openings of flanges and disks. Adapter member disk is connected through cable with frame of three-dimensional construction.
EFFECT: simplified construction, reduced metal usage, increased efficiency and improved distribution of artificial precipitation along flexible water supply pipeline.
3 cl, 5 dwg
FIELD: agricultural irrigation equipment used in mobile sprinkler units.
SUBSTANCE: boom-type sprinkler unit has frame made in the form of three-dimensional construction composed of pipes and mounted on vehicle equipped with pumping unit. Flexible water pipeline with sprinkling apparatuses is secured on frame by means of cables. Flexible water pipeline is made sectioned. Each section has flexible pipeline segment positioned on carrier member made in the form of pair of longitudinal supports having bent C-shaped profile and flat rings at their end portions. Wide strips of pair of bent C-shaped profile are arranged at an angle to horizontal plane and perpendicular to one another. Said profiles define, in conjunction with rings, trough of carrier member. Adjacent carrier members are connected with one another by means of connecting parts through spacer bushings. One, two or three spacer bushings are made in the form of brackets for connecting cable ends to join with frame. Ends of flexible pipeline segments are mutually joined via transition portion made in the form of bushing. Ends of transition member have conical entrance portions. Annular portion formed on transition member surface is joined with ends of adjacent segments and pairs of yokes on their surface. Cable ends joining brackets are equipped with eye ring receiving slots and mounting openings. Diameter of carrier member rings exceeds outer diameter of transition member by 1.5-1.9 times.
EFFECT: simplified construction and increased efficiency.
4 cl, 5 dwg
FIELD: agricultural engineering, in particular, sprinkler equipment for continuous sprinkling of plants on fields.
SUBSTANCE: sprinkler unit has drive part with two pivotally fixed girder booms. Girder has central panel, columns, struts and sprinkler heads arranged on water-feeding belt. Drive part is provided with supporting table and rotary plate. Supporting table is mounted on vertical wall of rear axle of drive part above centrifugal pump. Rotary plate is mounted on supporting table for rotation around shaft, which pivotally connects said plate with supporting table, said plate and table being additionally mutually connected by hydraulic rotational drive. Girder central panel is fixed on rotary plate by means of vertical shaft. Central panel is additionally coupled to rotary plate by means of hydraulic drive of turning mechanism. In operating and transport positions, weight of girder is distributed over surface of supporting table. Mechanisms for rotating of rotary plate and turning of girder central panel simplify movement of girder from operating position to transport position and vice versa.
EFFECT: simplified construction and enhanced reliability in operation.
FIELD: agricultural engineering, in particular, irrigation of farm crops by means of multitower front sprinkler machines.
SUBSTANCE: wheeled pipeline is made sectioned and is furnished with sprinkler heads, wheeled supports, drive arranged in mid portion of central section, and section coupling means. Pipeline sections have variable section reducing in direction of supplying of irrigation water. Each pipeline section coupling is made in the form of two concentric branch pipes positioned for rotation one with respect to another and for axial displacement. Outer branch pipe is connected with flanges of adjacent carrier members. Inner branch pipe is joined with ends of adjacent pipes of different sizes, said pipes being made from high-pressure polyethylene. Pipes are positioned in cavity of carrier member. Carrier member of each section is made in the form of pair of opposite bent C-shaped sections. Ends of C-shaped sections are joined to flanges. Mounting rings are positioned in mid portion of pairs and adapted for mounting of wheel support hub. Outer branch pipe of pipeline section coupling is made in the form of detachable pair of semi-circles, each being formed by packet of spacer bushings arranged in equally spaced relation between pair of arced belts. Inner branch pipe for connecting ends of pipes made from high-pressure polyethylene is made in the form of outer and inner threaded bushings, each provided with diametrically oriented slots for special wrench for joining with ends of pipes to be connected. Inner bushing has threaded part for screwing into end of pipe of smaller diameter. Ring is disposed on outer end perimeter of pipe of smaller diameter. Inner bushing has cylindrical part joined with inner cylindrical surface of pipe of larger diameter. Its conical part is joined with sawn-through parts at end of pipe of larger diameter. Inner surface of inner bushing is defined by two intersecting conical surfaces with single base of minimal diameter.
EFFECT: uniform distribution of precipitation in the form of rain drops over area under irrigation process owing to constant flow speed of irrigation water into pipeline cavities.
10 cl, 11 dwg
FIELD: agricultural engineering, in particular, sprinkling irrigation of farm crops.
SUBSTANCE: apparatus has supporting members made in the form of cables attached in cantilevered manner to frame top, and irrigation pipeline connected to vehicle through pumping unit. Irrigation pipeline is coupled to frame by means of carrier carcass. Irrigation pipeline and carrier carcass are made sectioned. Each carrier carcass section is defined by pair of C-shaped bent profiles with flat rings at their ends. Profiles are arranged at an angle to one another with their wide strips to define trough. Sections of flexible pipelines made from low-pressure polyethylene are laid on trough. Ends of pipelines are embraced with bands made in the form of steel bushings. Ends of pipelines are joined by means of adapter member. Input parts of connecting member are made conical. Each adapter member is formed as hollow screw with left-handed and right-handed conical threads on their outer surface. Mid portion of screw has disk for fixing irrigation pipeline sections in operating position in rings of carrier carcass by means of paired spacer bushings and attachment means. Disk of adapter member is equipped with group of openings used for assembling-dismantling works. Openings for connection to threaded ends of cables are made in peripheral portions of carrier carcass flanges.
EFFECT: uniform distribution of precipitation in the form of rain drops through width of mobile unit, reduced material usage, simplified construction, and enhanced reliability in operation.
4 cl, 4 dwg
FIELD: agricultural engineering, in particular, mechanized irrigation equipment used on wheeled rollable pipelines.
SUBSTANCE: sectioned sprinkler is provided with sprinkling nozzles, wheeled supports, drive disposed in mid portion of central section, and section connecting couplings. Each section has water supply pipeline made from low-pressure polyethylene pipes. Pipes are successively joined to one another by means of couplings. Water supply pipeline is arranged in cavity of carrier part defined by C-shaped bent profiles. Ends of profiles are mutually connected by means of flanges. Length of carrier part is 11,720 mm. Hub of each wheeled support embraces carrier part. Sprinkling nozzles are connected with pipeline through nipples arranged between strips of adjacent C-shaped bent profiles of carrier part.
EFFECT: prolonged service life, simplified construction and reduced production costs of sprinkler.
FIELD: agricultural engineering, in particular, mechanized sprinkling irrigation with the use of rollable wheeled pipelines.
SUBSTANCE: sprinkler is made sectioned and is furnished with sprinkler heads, wheel-type supports, drive located in mid portion of central section, and section couplings. Each section has water supply pipeline manufactured from low-pressure polyethylene pipes sequentially connected through couplings. Water supply pipeline is placed in bearing part cavity defined by C-shaped bent bars. Bar ends are mutually connected through flanges. Bearing part is 11,720 mm long. Hub of each wheel-type support embraces bearing part. Sprinkler heads are connected with water supply pipeline through nipples interposed between strips of adjacent C-shaped bent bars of bearing part. Each wing connected with central section has overtime clutch.
EFFECT: prolonged service life and simplified construction of irrigation pipeline.
FIELD: agricultural engineering.
SUBSTANCE: invention relates to machines for mechanization of drop sparkling of farm crop. Proposed truss includes central panel in form of regular pyramid with square base made of pipes with flanges for connecting bottom chords and four suspensions. Suspensions are orientated along ribs of pyramid and one post. Post is arranged in central panel on one of side faces along apothem. Left-hand and right-hand cantilevers are mated with central panel. Each cantilever consists of one end panel and thirteen intermediate panels. Each intermediate panel is made in form of two posts, one distance piece, front and rear water passing pipes of bottom chords, one upper chord, two inclined braces, two horizontal tension members and two short-range sprinkler heads. End panel is made in form of guy truss. End panel is mated with truss panel by means of distance piece and inclined braces whose mated ends are orientated downwards in cross vertical plane of truss and are located lower than distance piece. Ends of front and rear water passing pipes are connected with guy truss pipeline by V-shaped water passing member. Panels of guy truss are formed by posts and distance pieces, inclined braces and tension members vertically orientated in longitudinal vertical plane. Water passing pipeline of guy part of truss is furnished with drain cock. V-shaped water passing member consists of steel pipes of equal section equal to sections of front rear water passing pipes and pipe line of guy truss. One of pipes of V-shaped water passing member is sectional and provided with threaded sleeve. Sleeve is fitted on threaded bushings. Bushings are installed with displacement outwards from ends of pipes. Bushings are connected by closed girth welds with end sections of parts of pipes to be connected. Insert made of plastic, for instance, fluoroplastic, is mounted between end faces of sectional parts of pipes and in plane of threaded bushings. Inner section of insert is equal to sections of pipes of V-shaped water passing member. Proposed two-cantilever self-aligning truss for sprinkling machines provides uninterrupted delivery of sprinkling water to short range heads of intermediate panels and long-range heads on guy part of truss.
EFFECT: reduced materials usage, improved sprinkling.
FIELD: agricultural engineering.
SUBSTANCE: invention relates to machines for mechanization of drop irrigation of crops. Proposed truss has upper and lower chords, central panel in form of regular pyramid with square base and left-hand and right-hand cantilevers mated with pyramid. Central panel has square base made of tubes with flanges for connecting lower chords and four suspensions orientated along ribs. Panel is provided with one post located on one of side faces along apothem of pyramid. Each cantilever consists of thirteen intermediate panel and one end panel. Each end panel is made up of two posts, one brace, two front and rear water tubes of lower chords, one upper chord, two tilted struts and two horizontal tension members. Two heads are fitted on each intermediate panel and end panel. End is made in form of guy-rope truss. It is mated with truss panel by brace and tilted posts. Ends of tilted posts are relative mated from top and bottom by horizontally orientated brace. Mated ends of tilted posts are orientated downwards and arranged lower than brace. Ends of front and rear water tubes in guy-rope part are relative mated by V-shaped water supply member with tube of truss guy-rope part. Panels of guy-rope part of truss are formed by posts and braces, tilted struts and tension members orientated in longitudinally vertical plane. water supply pipeline of guy0rope part is furnished with drain valve. Proposed truss provides 15-20% reduction of materials usage.
EFFECT: improved quality of sprinkling, facilitated servicing.
7 cl, 1 tbl, 53 dwg
FIELD: agricultural engineering, in particular, irrigation equipment, more particular, continuous motion sprinkler machines for farms.
SUBSTANCE: girder has central panel with two cantilevers pivotally fixed thereon. Each of two cantilevers is made in the form of mutually perpendicular vertical and horizontal girders having belts, columns, angle braces and sprinkler heads on water supply girder. Pipelines on central panel and water supply girder are made in the form of curved circuit line in transverse-vertical plane of sprinkler unit. Circuit line equation is y=a/2(ex/a+e-x/a), where a is distance from surface of field to be irrigated to pipeline arranged in mid portion of central panel; e is Napierian base (Napierian number); x and y are abscissae and ordinates of unknown points of pipeline in Cartesian coordinates XOY, the beginning part of which is aligned with field surface and with vertical axis of symmetry of girdle.
EFFECT: enhanced reliability in operation and increased efficiency.