CN112354640B - Novel agricultural water-saving irrigation equipment and water-saving irrigation method - Google Patents

Abstract

The invention provides novel agricultural water-saving irrigation equipment and a water-saving irrigation method, which relate to the field of water-saving irrigation and comprise a water pump and a pesticide injection device, wherein the top end of the water pump is connected with the pesticide injection device; spread the device and include the baffle, U type groove, elasticity adjusting part, spout box and protrusion piece, the calandria of water pump department passes through the pipe connection and spouts the box, it is trapezoidal form to spout the box, the top that spouts the box is being located the wide-mouth department and is being provided with U type groove, U type groove department is provided with the baffle, the baffle divide into folded plate and commentaries on classics board, be the T shape between folded plate and the commentaries on classics board, this operation makes the baffle carry out the overlay type to the blowout mixed liquid and spreads, this overlay type spreads can greatly with the even shop of mixed liquid to the earth's surface, make the orientation of spraying to the even water that receives of crops, thereby reach water-saving irrigation's result of use.

Description

Novel agricultural water-saving irrigation equipment and water-saving irrigation method

Technical Field

The invention relates to the field of water-saving irrigation, in particular to novel agricultural water-saving irrigation equipment and a water-saving irrigation method.

Background

The water-saving irrigation means that better production benefit and economic benefit are obtained by using less irrigation water, the basic requirement of the water-saving irrigation is to adopt the most effective technical measure to enable the limited irrigation water to create the best production benefit and economic benefit, the water-saving irrigation is a modern engineering technology, and both engineering water saving and agricultural water saving and management water saving need to be established on the basis of realizing industrialized production of water-saving irrigation material equipment, so that the water-saving irrigation is one of the preconditions which must be solved in large-scale and water-saving irrigation.

The sprinkling irrigation is to spray water with certain pressure in the air by means of a water pump and a pipeline system or by utilizing the fall of a natural water source, so that the water is dispersed into small water drops or forms mist to fall onto plants and the ground.

Disclosure of Invention

The invention aims to provide novel agricultural water-saving irrigation equipment and a water-saving irrigation method, so as to solve the technical problems.

In order to solve the technical problems, the invention adopts the following technical scheme: novel agricultural water-saving irrigation equipment, including water pump and injection device, its characterized in that: the top end of the water pump is connected with a medicine injection device, the two sides of the water pump are symmetrically provided with an inlet pipe and a discharge pipe, the inlet pipe is connected with the filtering device through a pipeline, and the discharge pipe is connected with the spreading device through a pipeline;

the spreading device comprises a baffle, a U-shaped groove, an elasticity adjusting component, a spraying box and a protruding block, wherein a discharge pipe at the water pump is connected with the spraying box through a pipeline, the spraying box is in a trapezoid shape, the U-shaped groove is formed in the position, located at a wide opening, of the top end of the spraying box, the baffle is arranged at the position of the U-shaped groove, the baffle is divided into a folded plate and a rotating plate, and the folded plate and the rotating plate are in a T shape; the folded plate is arranged at the wide mouth of the spraying box, the bottom end of the rotating plate is integrally formed with a protruding block, and the protruding block is rotatably connected in the U-shaped groove; and an elastic force adjusting component is arranged at the other end of the rotating plate and close to the narrow opening of the spraying box, and the elastic force adjusting component is vertically inserted into the rotating plate.

Preferably, the elasticity adjusting assembly comprises a knob, a rotating rod, an external thread coil, a fine adjustment threaded rod and a return spring, the external thread coil is vertically inserted into the other end of the rotating plate, and the external thread coil is bolted to the rotating plate; the top end of the external thread coil is connected with a knob, the knob and the external thread coil are communicated in a cavity, and threads are etched in an annular wall body of the external thread coil; a fine adjustment threaded rod is bolted in the external thread coil, the top end of the fine adjustment threaded rod is connected with a rotary rod, and the rotary rod is in a stretching shape compared with the rotary knob; the bottom of fine setting threaded rod is connected with reset spring, and reset spring is for stretching out the form than the external screw thread coil.

Preferably, the length from the convex block to the elastic force adjusting component is smaller than the length from the convex block to the folded plate, and the weight of the elastic force adjusting component is smaller than that of the folded plate.

Preferably, the medicine injection device comprises a spring, a threaded inserted rod, a medicine liquid adjusting assembly, a spacing ball, an iron ball, a ball pipe and a medicine bottle, wherein the ball pipe is inserted into the positioning pipe at the water pump, and the upper end and the lower end of the ball pipe are provided with through holes; a ball groove is arranged in the ball pipe, and the upper end and the lower end of the ball groove are spherical; iron balls are arranged in the ball groove, four spacing balls are arranged above the iron balls and positioned in the ball groove, and the four spacing balls are equally distributed and connected to the inner wall of the ball groove in an annular distribution manner; a medicine bottle is connected above the bulb tube in a through mode, a threaded inserted rod is vertically inserted into the top end of the medicine bottle in a penetrating mode, and the threaded inserted rod is sequentially a threaded rod and a polished rod from top to bottom; a screwing head is connected above the threaded inserted rod, a spring is arranged between the screwing head and the medicine bottle, and the spring is sleeved at the threaded inserted rod; the bottom end of the threaded inserted rod is connected with a liquid medicine adjusting assembly, and the liquid medicine adjusting assembly is positioned right above a communication port between the medicine bottle and the bulb tube.

Preferably, the liquid medicine adjusting assembly comprises a limiting disc, slot positions, an insert ring and a magnetic disc, the bottom end of the threaded insert rod is connected with the limiting disc, and the slot positions are symmetrically arranged on the surface of the limiting disc; a magnetic disc is arranged below the limiting disc, the top end of the magnetic disc is connected with an insert ring, a plurality of hole sites uniformly penetrate through the surface of the insert ring, and the insert ring is inserted into the groove position; the top end of the insert ring is connected with an anti-drop strip, and the thickness of the anti-drop strip is larger than the groove thickness of the groove position.

Preferably, the filtering device comprises a driving component, a rotating shaft, a U-shaped blade and a filtering cup, an inlet pipe of the water pump is connected with the driving component through a pipeline, the driving component is integrally formed at the top end of the filtering cup, the driving component and the filtering cup are in a cavity communicated shape, and sieve holes are equally penetrated through the surface of the filtering cup; a rotating shaft is arranged in the filter cup and vertically penetrates through the filter cup to the driving assembly; the surface of the rotating shaft is symmetrically connected with U-shaped blades in the filter cup.

Preferably, the driving assembly comprises a liquid guide pipe, blades, a disc, a liquid box and a liquid inlet pipe, the disc is arranged at the center of a circle in the driving assembly, and the disc is connected with the rotating shaft; six blades are equally connected to the annular outer surface of the disc, and the blades are L-shaped; the annular outer surface of the liquid box is vertically connected with a liquid guide pipe, and the liquid guide pipe is connected with an inlet pipe through a pipeline; the annular outer surface of the liquid box is obliquely connected with a liquid inlet pipe, the liquid inlet pipe is connected to the top end of the filter cup in a penetrating manner, and the discharge port of the liquid inlet pipe directly washes the blade.

The water-saving irrigation method of the novel agricultural water-saving irrigation equipment is characterized in that: the water-saving irrigation steps are as follows:

1) intercepting dirt through the filtering component based on suction force generated in the operation of the water pump so as to pump water liquid into the pump body;

2) based on the rapid flow state of the water in the pump body, the liquid medicine in the medicine injection device is injected into the pump body to stir the injected liquid medicine and mix with the water liquid during stirring;

3) based on the mixing state of the medium water liquid and the liquid medicine, the mixed liquid flows through the spraying device by the continuous pressure provided by the water pump and is sprayed on the surfaces of crops in a covering mode.

The invention has the beneficial effects that:

1. according to the invention, the baffle plate rotates up and down relative to the wide opening of the spraying box, so that the wide opening is repeatedly covered and uncovered in the up-and-down rotation, the operation enables the baffle plate to carry out covering type spreading on the sprayed mixed liquid, the covering type spreading can greatly and uniformly spread the mixed liquid to the ground surface, and crops can be uniformly watered in the spraying direction, so that the use effect of water-saving irrigation is achieved.

2. The invention is based on the water liquid in the water pump is in a fast flowing state, the liquid medicine in the medicine injection device is injected into the water pump, and then the liquid medicine is fast mixed into the water liquid under the impact of the high-flow-rate water liquid to form a mixed liquid, thereby being convenient for spraying and maintaining crops.

3. According to the invention, based on the suction force generated by the water pump during operation, when water flows from the cavity formed by the liquid inlet pipe, the liquid box and the liquid guide pipe, the water flow impacts the blades, so that the disc is driven to rotate from the liquid box under the action of the impact force, and the power is transmitted to the middle rotating shaft during rotation, so that the U-shaped blades symmetrically arranged at the rotating shaft can rotatably cut the inner wall of the filter cup, and the problem of screen hole blockage caused by the fact that dirt outside the filter cup stretches into the screen holes is avoided.

Drawings

FIG. 1 is a schematic overall structure diagram of the novel agricultural water-saving irrigation device of the invention;

FIG. 2 is a schematic view of the overall structure of the spreading device of the present invention;

FIG. 3 is a schematic structural view of an internal spraying box of the spreading device of the present invention;

FIG. 4 is a schematic structural diagram of a side view of an inner baffle of the spreading device of the present invention;

FIG. 5 is a schematic cross-sectional view of an elastic force adjusting assembly in the triggering assembly according to the present invention;

FIG. 6 is a schematic sectional view of the water pump according to the present invention;

FIG. 7 is a schematic cross-sectional view of a drug delivery device according to the present invention;

FIG. 8 is a schematic view of a split structure of a dose adjustment assembly of the medication injection device of the present invention;

FIG. 9 is a schematic sectional view of a filter device according to the present invention;

FIG. 10 is a schematic top cross-sectional view of a drive assembly in the filter assembly of the present invention;

reference numerals: 1. a water pump; 2. a drug injection device; 3. spreading and sprinkling devices; 4. a filtration device; 21. a spring; 22. a threaded bayonet; 23. a liquid medicine regulating assembly; 24. a spacer ball; 25. an iron ball; 26. a bulb tube; 27. a medicine bottle; 231. a limiting disc; 232. a slot position; 233. inserting a ring; 234. a magnetic disk; 31. a baffle plate; 32. a U-shaped groove; 33. an elasticity adjusting component; 34. spraying the box; 35. a protruding block; 331. a knob; 332. rotating the rod; 333. an external threaded coil; 334. finely adjusting the threaded rod; 335. a return spring; 41. a drive assembly; 42. a rotating shaft; 43. a U-shaped blade; 44. a filter cup; 411. a catheter; 412. a blade; 413. a disc; 414. a liquid box; 415. a liquid inlet pipe.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easily understood, the invention is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention are described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1-5, the novel agricultural water-saving irrigation equipment comprises a water pump 1 and a pesticide injection device 2, wherein the pesticide injection device 2 is connected to the top end of the water pump 1, a pipe inlet and a pipe outlet are symmetrically arranged on two sides of the water pump 1, the pipe inlet is connected with a filtering device 4 through a pipeline, and the pipe outlet is connected with a spreading device 3 through a pipeline;

the spreading device 3 comprises a baffle 31, a U-shaped groove 32, an elasticity adjusting component 33, a spraying box 34 and a protruding block 35, a pipe arranged at the position of the water pump 1 is connected with the spraying box 34 through a pipeline, the spraying box 34 is in a trapezoid shape, the U-shaped groove 32 is formed in the position, located at the wide opening, of the top end of the spraying box 34, the baffle 31 is arranged at the position of the U-shaped groove 32, the baffle 31 is divided into a folded plate and a rotating plate, and the folded plate and the rotating plate are in a T shape; the folded plate is arranged at the wide mouth of the spraying box 34, a protruding block 35 is integrally formed at the bottom end of the rotating plate, and the protruding block 35 is rotatably connected in the U-shaped groove 32; the other end of the rotating plate is provided with an elastic force adjusting component 33 at the narrow opening position close to the spraying box 34, and the elastic force adjusting component 33 is vertically inserted at the rotating plate; the elastic force adjusting component 33 comprises a knob 331, a rotating rod 332, an external thread coil 333, a fine adjustment threaded rod 334 and a return spring 335, the external thread coil 333 is vertically inserted into the other end of the rotating plate, and the external thread coil 333 is bolted at the rotating plate; the top end of the external thread coil 333 is connected with a knob 331, the knob 331 is communicated with the external thread coil 333 in a cavity shape, and a thread is etched in the annular wall body of the external thread coil 333; a fine adjustment threaded rod 334 is bolted in the external thread coil 333, the top end of the fine adjustment threaded rod 334 is connected with a rotary rod 332, and the rotary rod 332 is in a protruding shape compared with the rotary knob 331; the bottom end of the fine adjustment threaded rod 334 is connected with a return spring 335, and the return spring 335 is extended out of the external thread coil 333.

In this embodiment, be T shape setting based on baffle 31, and then when mixed liquid spouts 34 wide-mouth spouts, exert the impact force to baffle 31, make baffle 31 upwards rotate for U type groove 32 under the impact force effect, and in upwards rotating the process, spout the top of box 34 based on elasticity adjusting part 33 contact, come to cushion the impact force, and after the buffering, with elasticity reverse action baffle 31 department, make baffle 31 carry out the downwardly rotating for U type groove 32 under the elastic action, and wherein upper and lower pivoted process, be the process that baffle 31 carries out the overlay type to the blowout mixed liquid and spread promptly, this process can greatly spread the mixed liquid to the earth's surface, make the water that receives that the inside crops of spraying direction can be even, thereby reach water conservation irrigation's result of use.

In this embodiment, in order to adjust the spraying range conveniently, based on the bolt fastening mode, the external screw coil 333 is inserted into the rotating plate, the upper and lower positions of the return spring 335 can be roughly adjusted by the acting force of the setting at the knob 331, the return spring 335 can be conveniently released at different positions, and the reverse elastic force with different force can be released, so that the folded plate can adjust the spraying range according to the force.

In this embodiment, the amount of extension of the return spring 335 with respect to the external coil 333 is adjusted based on the position of the fine adjustment threaded rod 334 with respect to the inside of the external coil 333, that is, the larger the reverse spring force when the amount of extension of the return spring 335 is large, the smaller the reverse spring force when the amount of extension of the return spring 335 is small, and this setting can adjust the reverse spring force together based on the position of the external coil 333 with respect to the rotating plate.

Example 2

As shown in fig. 1, 6, 7 and 8, in the novel agricultural water-saving irrigation equipment, a pesticide injection device 2 comprises a spring 21, a threaded inserted rod 22, a pesticide liquid adjusting component 23, a spacing ball 24, an iron ball 25, a ball tube 26 and a pesticide bottle 27, the ball tube 26 is inserted into a positioning tube at the water pump 1, and the upper end and the lower end of the ball tube 26 are provided with through holes; a ball groove is arranged in the ball pipe 26, and the upper end and the lower end of the ball groove are spherical; an iron ball 25 is arranged in the ball groove, four spacing balls 24 are arranged above the iron ball 25 and positioned in the ball groove, and the four spacing balls 24 are equally connected to the inner wall of the ball groove in an annular distribution shape; a medicine bottle 27 is connected above the bulb 26 in a penetrating way, a threaded inserted rod 22 is vertically inserted into the top end of the medicine bottle 27, and the threaded inserted rod 22 is a threaded rod and a polished rod in sequence from top to bottom; a screwing head is connected above the threaded inserted rod 22, a spring 21 is arranged between the screwing head and the medicine bottle 27, and the spring 21 is sleeved at the threaded inserted rod 22; the bottom end of the threaded inserted rod 22 is connected with a liquid medicine adjusting component 23, and the liquid medicine adjusting component 23 is positioned right above a communication port between the medicine bottle 27 and the bulb tube 26; the liquid medicine adjusting assembly 23 comprises a limiting disc 231, slot positions 232, an insert ring 233 and a magnetic disc 234, the bottom end of the threaded insert rod 22 is connected with the limiting disc 231, and the slot positions 232 are symmetrically arranged on the surface of the limiting disc 231; a magnetic disc 234 is arranged below the limiting disc 231, the top end of the magnetic disc 234 is connected with an insert ring 233, a plurality of hole sites are uniformly penetrated through the surface of the insert ring 233, and the insert ring 233 penetrates to the slot position 232; the top of the insert ring 233 is connected with an anti-slip strip, and the thickness of the anti-slip strip is larger than that of the slot 232.

In this embodiment, the opening and closing of the medicine bottle 27 are adjusted based on the position of the medicine liquid adjusting assembly 23 relative to the iron ball 25, that is, when the threaded rod 22 is lifted to the top by the elastic force of the spring 21, the iron ball 25 is attracted without magnetic force and then falls to the bottom side of the ball tube 26 to form a cavity closed state; when the threaded rod 22 is moved downwards and is bolted to the threaded notch at the top end of the medicine bottle 27 through the threaded rod, the medicine liquid adjusting assembly 23 is placed right above the communicating port between the medicine bottle 27 and the bulb tube 26, at this time, the iron ball 25 is moved upwards relative to the bulb tube 26 under the action of magnetic force, and in the upward movement, a gap is formed by contacting the four spacing balls 24, so that the medicine liquid can conveniently flow into the water pump 1 from the inner cavity of the medicine bottle 27 and the bulb tube 26 to be mixed with the water liquid.

In this embodiment, in order to facilitate the adjustment of the outflow amount of the liquid medicine, the magnetic disk 234 is contacted with the communication port between the vial 27 and the bulb 26 to provide a supporting force to the magnetic disk 234, and after the magnetic disk 234 is supported, the number of the exposed holes is adjusted by the extension amount of the insert ring 233 above the magnetic disk 234 relative to the slot 232 at the position of the limiting disk 231, that is, the outflow amount of the liquid medicine is large when the exposed holes are large, and the outflow amount of the liquid medicine is small when the exposed holes are small.

In this embodiment, the distance between the liquid medicine adjusting unit 23 and the iron ball 25 is further adjusted by magnetic attraction so that the iron ball 25 moves up and down from the bulb 26, and the liquid medicine in the medicine bottle 27 and the bulb 26 can be stirred while the iron ball 25 moves up and down.

Example 3

As shown in fig. 1, 9 and 10, in the novel agricultural water-saving irrigation device, a filtering device 4 comprises a driving component 41, a rotating shaft 42, a U-shaped blade 43 and a filtering cup 44, an inlet pipe of a water pump 1 is connected with the driving component 41 through a pipeline, the driving component 41 is integrally formed at the top end of the filtering cup 44, the driving component 41 and the filtering cup 44 are in a cavity communicated shape, and the surface of the filtering cup 44 is equally penetrated with a sieve pore; a rotating shaft 42 is arranged in the filter cup 44, and the rotating shaft 42 vertically penetrates through the filter cup 44 to the driving assembly 41; the surface of the rotating shaft 42 is symmetrically connected with U-shaped blades 43 in the filter cup 44; the driving assembly 41 comprises a liquid guide pipe 411, blades 412, a disc 413, a liquid box 414 and a liquid inlet pipe 415, the disc 413 is arranged at the center of a circle in the driving assembly 41, and the disc 413 is connected with the rotating shaft 42; six blades 412 are equally connected to the annular outer surface of the disc 413, and the blades 412 are L-shaped; the annular outer surface of the liquid box 414 is vertically connected with a liquid guide pipe 411, and the liquid guide pipe 411 is connected with an inlet pipe through a pipeline; the liquid inlet pipe 415 is obliquely connected to the annular outer surface of the liquid box 414, the liquid inlet pipe 415 is connected to the top end of the filter cup 44 in a penetrating way, and the discharge port of the liquid inlet pipe 415 is directly flushed at the blade 412.

In this embodiment, based on the suction force generated by the water pump 1 during operation, when water flows from the cavity formed in the liquid inlet pipe 415, the liquid box 414 and the liquid guide pipe 411, the water flow impacts the blade 412, and further under the action of the impact force, the disc 413 is made to rotate from the inside of the liquid box 414, and the power transmission middle rotating shaft 42 is rotated, so that the U-shaped blades 43 symmetrically arranged at the rotating shaft 42 can rotationally cut the inner wall of the filter cup 44, and the problem of blockage of the sieve holes caused by the fact that the dirt outside the filter cup 44 extends into the sieve holes is avoided.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. Novel agricultural water-saving irrigation equipment, including water pump (1) and injection device (2), its characterized in that: the top end of the water pump (1) is connected with a medicine injection device (2), the two sides of the water pump (1) are symmetrically provided with a pipe inlet and a pipe outlet, the pipe inlet is connected with the filtering device (4) through a pipeline, and the pipe outlet is connected with the spreading device (3) through a pipeline;

the spreading device (3) comprises a baffle (31), a U-shaped groove (32), an elasticity adjusting component (33), a spraying box (34) and a protruding block (35), a discharge pipe at the position of the water pump (1) is connected with the spraying box (34) through a pipeline, the spraying box (34) is in a trapezoid shape, the U-shaped groove (32) is formed in the position, located at the wide opening, of the top end of the spraying box (34), the baffle (31) is arranged at the position of the U-shaped groove (32), the baffle (31) is divided into a folded plate and a rotating plate, and the folded plate and the rotating plate are in a T shape; the folded plate is arranged at the wide mouth of the spraying box (34), a protruding block (35) is integrally formed at the bottom end of the rotating plate, and the protruding block (35) is rotatably connected into the U-shaped groove (32); an elastic force adjusting component (33) is arranged at the other end of the rotating plate and close to the narrow opening of the spraying box (34), and the elastic force adjusting component (33) is vertically inserted into the rotating plate;

the medicine injection device (2) comprises a spring (21), a threaded inserted rod (22), a liquid medicine adjusting assembly (23), a spacing ball (24), an iron ball (25), a ball tube (26) and a medicine bottle (27), wherein the ball tube (26) is inserted into a positioning tube at the water pump (1), and through holes are formed in the upper end and the lower end of the ball tube (26); a ball groove is arranged in the ball pipe (26), and the upper end and the lower end of the ball groove are spherical; iron balls (25) are arranged in the ball groove, four spacing balls (24) are arranged above the iron balls (25) and positioned in the ball groove, and the four spacing balls (24) are connected to the inner wall of the ball groove in an annular distribution manner in equal parts; a medicine bottle (27) is connected above the bulb tube (26) in a through mode, a threaded insert rod (22) is vertically inserted into the top end of the medicine bottle (27), and the threaded insert rod (22) is a threaded rod and a polished rod sequentially from top to bottom; a screwing head is connected above the threaded inserted rod (22), a spring (21) is arranged between the screwing head and the medicine bottle (27), and the spring (21) is sleeved at the threaded inserted rod (22); the bottom end of the threaded inserted rod (22) is connected with a liquid medicine adjusting component (23), and the liquid medicine adjusting component (23) is positioned right above a communication port between the medicine bottle (27) and the bulb tube (26);

the liquid medicine adjusting assembly (23) comprises a limiting disc (231), slot positions (232), an insert ring (233) and a magnetic disc (234), the limiting disc (231) is connected to the bottom end of the threaded insert rod (22), and the slot positions (232) are symmetrically arranged on the surface of the limiting disc (231); a magnetic disc (234) is arranged below the limiting disc (231), the top end of the magnetic disc (234) is connected with an insert ring (233), a plurality of hole sites uniformly penetrate through the surface of the insert ring (233), and the insert ring (233) penetrates to the slot position (232); the top end of the inserting ring (233) is connected with an anti-dropping strip, and the thickness of the anti-dropping strip is larger than that of the slot position (232).

2. The novel agricultural water-saving irrigation device according to claim 1, characterized in that: the elastic force adjusting component (33) comprises a knob (331), a rotating rod (332), an external thread coil pipe (333), a fine adjustment threaded rod (334) and a reset spring (335), the external thread coil pipe (333) is vertically inserted into the other end of the rotating plate, and the external thread coil pipe (333) is bolted to the rotating plate; the top end of the external thread coil (333) is connected with a knob (331), the knob (331) is communicated with the external thread coil (333) in a cavity, and threads are etched in the annular wall body of the external thread coil (333); a fine adjustment threaded rod (334) is bolted in the external thread coil (333), the top end of the fine adjustment threaded rod (334) is connected with a rotary rod (332), and the rotary rod (332) is extended out compared with the rotary rod (331); the bottom of fine setting threaded rod (334) is connected with reset spring (335), and reset spring (335) is for stretching out the form than external screw thread coil (333).

3. The novel agricultural water-saving irrigation device according to claim 1, characterized in that: the length from the convex block (35) to the elastic force adjusting component (33) is less than the length from the convex block (35) to the folded plate, and the weight of the elastic force adjusting component (33) is less than that of the folded plate.

4. The novel agricultural water-saving irrigation device according to claim 1, characterized in that: the filtering device (4) comprises a driving component (41), a rotating shaft (42), a U-shaped blade (43) and a filtering cup (44), an inlet pipe of the water pump (1) is connected with the driving component (41) through a pipeline, the driving component (41) is integrally formed at the top end of the filtering cup (44), the driving component (41) and the filtering cup (44) are in a cavity communicated shape, and sieve holes are equally distributed on the surface of the filtering cup (44) in a penetrating manner; a rotating shaft (42) is arranged in the filter cup (44), and the rotating shaft (42) vertically penetrates through the filter cup (44) to the driving assembly (41); the surface of the rotating shaft (42) is symmetrically connected with U-shaped blades (43) in the filter cup (44).

5. The novel agricultural water-saving irrigation device according to claim 4, characterized in that: the driving assembly (41) comprises a liquid guide pipe (411), blades (412), a disc (413), a liquid box (414) and a liquid inlet pipe (415), the disc (413) is arranged at the position of the center of a circle in the driving assembly (41), and the disc (413) is connected with the rotating shaft (42); six blades (412) are equally connected to the annular outer surface of the disc (413), and the blades (412) are L-shaped; the annular outer surface of the liquid box (414) is vertically connected with a liquid guide pipe (411), and the liquid guide pipe (411) is connected with an inlet pipe through a pipeline; the annular outer surface of the liquid box (414) is obliquely connected with a liquid inlet pipe (415), the liquid inlet pipe (415) is connected to the top end of the filter cup (44) in a penetrating manner, and the discharge port of the liquid inlet pipe (415) directly washes the blade (412).

6. The water-saving irrigation method of the novel agricultural water-saving irrigation device according to claim 1, characterized in that: the water-saving irrigation steps are as follows:

1) intercepting dirt through the filtering component based on suction force generated in the operation of the water pump so as to pump water liquid into the pump body;

2) based on the rapid flow state of the water in the pump body, the liquid medicine in the medicine injection device is injected into the pump body to stir the injected liquid medicine and mix with the water liquid during stirring;

3) based on 2) the water liquid and the liquid medicine are in a mixed state, the mixed liquid flows through the spraying device by the continuous pressure provided by the water pump, and is sprayed on the surfaces of crops in a spreading mode.

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