CN117981550B - Drip irrigation type corn water and fertilizer application device and method - Google Patents

Abstract

The invention discloses a drip irrigation type corn water and fertilizer applying device and a drip irrigation type corn water and fertilizer applying method, wherein the drip irrigation type corn water and fertilizer applying device comprises a water tank and a water drain main pipe, the water drain main pipe vertically stretches into the water tank along an opening at the top end of the water tank, a tank cover for supporting the water drain main pipe to vertically slide is fixed at the opening at the top end of the water tank, a distribution pipe which extends outwards is communicated with the top end of the water drain main pipe, the distribution pipe is a hose, drip irrigation heads are uniformly arranged on the outer side of the distribution pipe along the length direction of the distribution pipe, and a self-sealing cylinder is communicated between the drip irrigation heads and the distribution pipe. The beneficial effects are that: the invention can ensure that a plurality of groups of drip irrigation heads on the distribution pipe can drip irrigation and drain water at constant water outlet speed, and can change the drip irrigation speed by adjusting the water amount serving as the balance weight in the balance weight part; in addition, the mounting positions of the drip irrigation heads on the multiple groups of self-sealing cylinders can be adjusted according to the positions of corn plants, so that fixed-point sprinkling irrigation is realized, and water is saved; in addition, synchronous equivalent water injection irrigation of a plurality of groups of drip irrigation heads is realized, and the irrigation uniformity is improved.

Description

Drip irrigation type corn water and fertilizer application device and method

Technical Field

The invention relates to the field of drip irrigation equipment, in particular to a drip irrigation type corn water and fertilizer application device and method.

Background

Drip irrigation is a novel irrigation technique and particularly shows excellent water-saving capability in countries and regions where water shortage is serious. The drip irrigation technology is an efficient water-saving irrigation technology, and is characterized in that water is supplied by a pipeline system, so that irrigation water is dripped, slowly and uniformly infiltrates into a root development area of crops, the soil of the main root area of the crops is always kept in an optimal water-containing state, a proper amount of water and fertilizer can be timely supplied to the root area of the crops through drip irrigation, the temperature and humidity among plants are regulated, the microclimate environment for the growth of the crops can be improved, good conditions are provided for the growth of the crops, and especially, along with the gradual shortage of water resources, the drip irrigation technology can completely enter a field and is suitable for common agriculture.

In the corn field application process, if the water tank bottom is connected with a water supply pipeline for irrigation, the water tank has large water quantity in the initial stage, high water pressure and high irrigation dripping speed, and the water quantity in the later stage is reduced, the water pressure is reduced, the irrigation speed is reduced, and the control of the irrigation effect is not facilitated; because the corn plants are high and the adjacent plants are large in distance, the traditional continuous drip irrigation structure can drip water along the arrangement direction of the whole row of corn plants when in use, the drip irrigation water outlet position can not be correspondingly regulated according to the plant positions, and the problem of water resource waste still exists; meanwhile, as the drip opening of the current drip irrigation pipeline is always communicated with the external environment, the drip irrigation pipeline is connected with a water supply position (near end) in an external mode, the water flow speed of the water drops is high, the water flow speed of the water supply position (far end) is low, most of the water flows out of the irrigation holes when flowing from the near end to the far end, the far-end drip irrigation effect is poor, the near-end water supply is rich, excessive drip irrigation is easy to cause, soil hardening is caused, and the irrigation is uneven.

Disclosure of Invention

The invention aims to solve the problems and provide a drip irrigation type corn water and fertilizer application device and method, which can ensure that a plurality of groups of drip irrigation heads on a distribution pipe can drip irrigation and drain water at a constant water outlet speed, and can change the drip irrigation speed by adjusting the water amount serving as a counterweight in a counterweight part; in addition, the mounting positions of the drip irrigation heads on the multiple groups of self-sealing cylinders can be adjusted according to the positions of corn plants, so that fixed-point sprinkling irrigation is realized, and water is saved; in addition, synchronous equivalent water injection irrigation of a plurality of groups of drip irrigation heads is realized, and the irrigation uniformity is improved, which is explained in detail below.

In order to achieve the above purpose, the present invention provides the following technical solutions:

the invention provides a drip irrigation type corn water and fertilizer applying device which comprises a water tank and a water drain main pipe, wherein the water drain main pipe vertically extends into the water tank along an opening at the top of the water tank, a tank cover for supporting the water drain main pipe to vertically slide is fixed at the opening at the top end of the water tank, a distribution pipe which extends outwards is communicated with the top end of the water drain main pipe, the distribution pipe is a hose, drip irrigation heads are uniformly arranged on the outer side of the distribution pipe along the length direction of the distribution pipe, a self-sealing cylinder is communicated between the drip irrigation heads and the distribution pipe, and a tail valve is arranged at the outer end part of the distribution pipe;

the drip irrigation head is a conical cylinder body with an outward opening, a threaded sleeve extending into the self-sealing cylinder is fixed at one end, close to the self-sealing cylinder, of the drip irrigation head, a stay rod is coaxially arranged in the drip irrigation head in a penetrating mode, an auxiliary plate supporting the transverse sliding of the stay rod is longitudinally fixed inside the drip irrigation head, a uniform pressure plate attached to the conical cylinder wall on the inner side of the drip irrigation head is fixed at the outer end of the stay rod, an anti-falling block is fixed at the other end of the stay rod, and a small spring for keeping the uniform pressure plate tightly abutted to the inner wall of the drip irrigation head is sleeved outside the stay rod between the anti-falling block and the auxiliary plate.

Preferably, the diameter of the anti-drop block and the height of the auxiliary plate are smaller than the inner diameter of the screw sleeve, threads are arranged on the outer side of the screw sleeve, the drip irrigation head is in threaded fit with the self-sealing cylinder through the screw sleeve, and the pressure equalizing plate is of a disc-shaped structure with the diameter between the large opening and the small opening of the drip irrigation head cone.

Preferably, the diameter of the anti-drop block and the height of the auxiliary plate are smaller than the inner diameter of the screw sleeve, threads are arranged on the outer side of the screw sleeve, the drip irrigation head is in threaded fit with the self-sealing cylinder through the screw sleeve, and the pressure equalizing plate is of a disc-shaped structure with the diameter between the large opening and the small opening of the drip irrigation head cone.

Preferably, one end of the core tube, which is far away from the threaded sleeve, is longitudinally penetrated with a discharge hole, and one end of the core tube, which extends into the distribution tube, is fixedly provided with a self-sealing plate, a large spring which keeps the self-sealing plate tightly abutted against the inner wall of the distribution tube is sleeved outside the core tube between the blocking edge and the distribution tube, and the large spring is used for pushing the blocking edge outwards so as to seal the joint of the core tube and the distribution tube by the self-sealing plate.

Preferably, the compression stroke of the large spring is larger than the distance between the discharge hole and the inner wall of the distribution pipe, the water drain main pipe is communicated with the distribution pipe through a flange, a water collecting cover is arranged below the water drain main pipe, a pipeline joint is arranged between the top end of the water collecting cover and the bottom end of the water drain main pipe in a communicated mode, the water collecting cover is of a cone-shaped structure with an opening at the bottom end gradually expanding, and a disc-shaped piston disc is fixed on the outer side of the bottom of the water collecting cover and is sealed with the inner wall of the water tank in a vertical sliding mode.

Preferably, a filter cover is arranged at the opening of the bottom end of the catchment cover, the bottom of the filter cover is a filter plate with densely distributed meshes, a transmission shaft rod vertically extending into the gathering position of the top end of the catchment cover is coaxially matched with the middle part of the filter plate in a rotating manner, a propeller is fixed at the top end of the transmission shaft rod, and a brush rod extending to the bottom side of the filter plate is fixedly arranged at the bottom end of the transmission shaft rod in a surrounding manner.

Preferably, bristles on the bottom surface of the filter plate are densely distributed on the top side of the brush rod, an annular counterweight part is sleeved and fixed on the upper side of the catchment cover, the counterweight part is of a hollow structure, a water injection hole is transversely formed in the outer wall of the counterweight part in a penetrating mode, a rubber plug for sealing the water injection hole is arranged on the outer side of the counterweight part in a removable mode, a limiting rod vertically penetrates through the piston disc, the bottom end of the limiting rod extends downwards to the lower portion of the filter plate, the limiting rod is in threaded fit with the piston disc, and a knob for conveniently grabbing and rotating the limiting rod is fixed on the top end of the limiting rod.

Preferably, a frame capable of supporting the horizontal and vertical posture switching of the water tank is arranged below the water tank, a running system is arranged at the bottom side of the frame, a grip is arranged at one side of the frame away from the distribution pipe, a screw rod extending transversely is rotatably arranged in the middle of the frame, and a plurality of groups of clamping distribution pipes are vertically and uniformly arranged at the front side and the rear side of the water tank so as to support the distribution pipe to be spirally wound on a pipe clamp at the outer side of the water tank.

Preferably, the water tank is far away from two groups of rotating lugs are vertically arranged on one side of the distribution pipe, a sliding groove vertically penetrates through the middle of the vehicle frame, two groups of sliding blocks are transversely arranged in the sliding groove in a sliding manner, one group of sliding blocks below the water tank are hinged to one group of rotating lugs at the lower position of the water tank, a diagonal bracing is hinged between the sliding blocks on one side of the distribution pipe and the other group of rotating lugs at the upper position of the water tank in the sliding groove, the screw rod sequentially penetrates through the two groups of sliding blocks, two groups of external threads of the sliding blocks are connected with two groups of threads at two ends of the screw rod, and a turntable is fixed at the outer end part of the screw rod.

A drip irrigation type corn water and fertilizer application method comprises the following steps:

a. Injecting water used for drip irrigation into a water tank in advance, snaking a distribution pipe used as a drip irrigation pipeline to a drip irrigation position required in a field, opening a tail valve at the moment so as to discharge air in the distribution pipe and a water discharge main pipe outwards, driving the water discharge main pipe to move downwards integrally through the traction of a piston disc and a counterweight part below the water discharge main pipe, continuously injecting the drip irrigation water in a top pressure water tank into the water discharge main pipe and the distribution pipe by utilizing the sliding sealing effect of the piston disc and the inner wall of the water tank, and closing the tail valve after water is discharged from the outer end part of the distribution pipe so as to seal the distribution pipe;

b. The distribution pipe and the drainage main pipe are internally and continuously filled with water, the pressure is continuously increased, the water pressure in the distribution pipe is utilized to push the equalizing plate to overcome the elasticity of the small springs, so that when the distribution pipe is internally and integrally filled with water and the water pressure is increased to the pressure capable of overcoming the small springs, the synchronous and equivalent drainage and drip irrigation work of a plurality of groups of drip irrigation heads integrally connected with the outer side of the distribution pipe is realized, and the synchronous opening and equivalent water yield of the drip irrigation nozzles at the near end and the far end of the drip irrigation pipeline are ensured;

c. When the number and the positions of the drip irrigation heads are required to be adjusted according to the plant positions, during normal use, the threaded sleeves of the drip irrigation heads are completely screwed into the self-sealing cylinders, the threaded sleeves are utilized to push the core tubes to compress the large springs, so that the core tubes are pushed to drive the self-sealing plates to separate from the inner walls of the distribution tubes, further, the discharge holes of the core tubes extend into the distribution tubes, automatic opening of the drainage channels inside the self-sealing cylinders in the connection state of the drip irrigation heads is realized, when the drip irrigation heads in the set positions are required to be closed, the drip irrigation heads in the set positions are unscrewed from the self-sealing cylinders, and when the threaded sleeves of the drip irrigation heads separate from the self-sealing cylinders, the large springs in the compression state are utilized to push the blocking edges to reset with the core tubes, the self-sealing plates at the end parts of the core tubes are propped against the inner walls of the distribution tubes, and the discharge holes extend out of the distribution tubes, so that the self-sealing closing of the self-sealing cylinders is realized;

d. When the water tank is required to be horizontally laid down to improve walking stability in the transportation process, the rotating turntable drives the screw to rotate, two groups of external threads opposite in rotation directions are utilized at two ends of the screw to drive the two groups of sliding blocks to be away from each other along opposite directions under the guidance of the sliding grooves, so that the inclined strut and the bottom of the water tank are respectively pulled to slide in opposite directions through the two groups of sliding blocks, at the moment, the top end of the water tank moves towards the direction close to the grip, the bottom end of the water tank moves towards the direction close to the distribution pipe, and the safe tilting and laying down action is completed while the center of gravity of the water tank is kept in the middle of the frame.

The beneficial effects are that: 1. according to the invention, the lifting and movable drainage main pipe is arranged in the water tank, the weight of the counterweight part at the bottom end of the drainage main pipe is utilized to press down the piston disc which is matched with the inner wall of the water tank in a sliding and sealing manner, and the water liquid in the water tank is extruded by the piston disc to be discharged into the drainage main pipe and the distribution pipe;

2. In addition, a plurality of groups of self-sealing cylinders are arranged on the outer side of the distribution pipe, the self-sealing cylinders are used for communicating the drip irrigation heads to perform fixed-point drip irrigation and drainage, after the drip irrigation heads are disassembled, the self-sealing plates at the end parts of the self-sealing cylinders can be pushed against the core pipe through the large springs in the self-sealing cylinders so as to be pressed against the side walls of the distribution pipe, and therefore the water outlet channels at the positions are automatically sealed, the installation positions of the drip irrigation heads on the plurality of groups of self-sealing cylinders can be adjusted according to the positions of corn plants, fixed-point spray irrigation is further realized, and water is saved;

3. In addition, the equalizing plate of the closed structure is arranged inside the drip irrigation head serving as the water spraying drip irrigation structure, all the drip irrigation heads can be guaranteed to be in a closed state before the water is filled in the distribution pipe integrally, after the water is filled in the distribution pipe integrally, the water pressure is increased and the small springs are pressed through continuous water injection, the equalizing plate is separated from the inner wall of the drip irrigation head, synchronous equivalent water injection irrigation of a plurality of groups of drip irrigation heads is realized at the moment, the problems that the water yield of the near end is large and the irrigation of the far end is insufficient due to the fact that the existing drip irrigation head is directly communicated with a pipeline are solved, and the irrigation uniformity is improved.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front view block diagram of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic view of the structural disassembly of the present invention;

Fig. 4 is a schematic perspective view of a water tank according to the present invention;

FIG. 5 is a schematic view showing the structural separation of the catchment hood of the present invention;

FIG. 6 is a schematic view of the internal structure of the present invention;

FIG. 7 is a front cross-sectional view of the present invention;

FIG. 8 is an enlarged view of the structure at A of FIG. 7;

FIG. 9 is a schematic view of the running system of the present invention in a disassembled configuration;

FIG. 10 is a left side block diagram of the present invention;

figure 11 is an isometric view of the invention.

The reference numerals are explained as follows:

1. A water tank; 101. rotating the ear; 2. a case cover; 3. a water drain header; 301. a catchment hood; 301a, piston disc; 302. a pipe joint; 303. a filter cover; 304. a filter plate; 305. a transmission shaft lever; 306. a propeller; 307. a brush bar; 308. a limit rod; 308a, a knob; 309. a weight part; 309a, rubber plugs; 4. a distribution pipe; 5. a drip irrigation head; 501. a screw sleeve; 502. a brace rod; 502a, an anti-falling block; 503. a small spring; 504. a pressure equalizing plate; 505. an auxiliary plate; 6. a self-sealing cylinder; 601. a core tube; 601a, a blocking edge; 602. a large spring; 603. a discharge hole; 604. self-sealing plates; 7. a tail valve; 8. diagonal bracing; 9. a walking system; 901. a longitudinal beam; 902. a leaf spring; 903. an axle; 904. a wheel; 10. a grip; 11. a screw; 11a, external threads; 11b, a turntable; 12. a frame; 12a, a chute; 12b, a slider; 12c, a mud guard; 13. pipe clamp.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.

Referring to fig. 1-11, the invention provides a drip irrigation type corn water and fertilizer application device, which comprises a water tank 1 and a water drain main pipe 3, wherein the water tank 1 is used as an irrigation water storage facility, so that drip irrigation is performed on a field inconvenient to directly access an irrigation pipeline, the water drain main pipe 3 vertically stretches into the water tank 1 along the top opening of the water tank 1, a box cover 2 for supporting the water drain main pipe 3 to vertically slide is fixed at the top opening of the water tank 1, the top end of the water drain main pipe 3 is communicated with a distribution pipe 4 which extends outwards and is used as a drip irrigation pipe paved on the ground for drip irrigation, the distribution pipe 4 is a hose, drip irrigation heads 5 are uniformly arranged on the outer side of the distribution pipe 4 along the length direction of the distribution pipe, a self-sealing cylinder 6 is communicated between the drip irrigation heads 5 and the distribution pipe 4, the outer end part of the distribution pipe 4 is provided with tail valves 7, the length of the distribution pipe 4 is determined according to the required irrigation distance, and the number of the self-sealing cylinders 6 on the outer side of the distribution pipe 4 is not less than the number of drip irrigation heads 5;

The drip irrigation head 5 is a conical cylinder with an outward opening, a threaded sleeve 501 extending into the self-sealing cylinder 6 for fixing is fixed at one end of the drip irrigation head 5 close to the self-sealing cylinder 6, a stay bar 502 is coaxially arranged in the drip irrigation head 5 in a penetrating mode, an auxiliary plate 505 supporting the inner stay bar 502 to transversely slide is longitudinally fixed in the drip irrigation head 5, a pressure equalizing plate 504 attached to the conical cylinder wall on the inner side of the drip irrigation head 5 is fixed at the outer end of the stay bar 502, an inner channel of the drip irrigation head 5 is sealed by the pressure equalizing plate 504, an anti-drop block 502a is fixed at the other end of the stay bar 502, a small spring 503 for keeping the pressure equalizing plate 504 to abut against the inner wall of the drip irrigation head 5 is sleeved outside the stay bar 502 between the anti-drop block 502a and the auxiliary plate 505, when the water pressure in the distribution pipe 4 cannot overcome the elasticity of the small spring 503, the pressure equalizing plate 504 abuts against the inner wall of the drip irrigation head 5, at the moment, multiple groups of drip irrigation heads 5 on the outer side of the distribution pipe 4 are in a sealed state, and accordingly the drip irrigation heads 5 are pushed to be separated from the inner wall of the pressure equalizing plate 504 when the water pressure is increased to overcome the small spring 503, and drip irrigation heads are synchronously started.

As an alternative embodiment, the diameter of the anti-falling block 502a and the height of the auxiliary plate 505 are smaller than the inner diameter of the screw sleeve 501, so that the anti-falling block 502a and the auxiliary plate 505 can not seal a water channel in the screw sleeve 501, threads are arranged on the outer side of the screw sleeve 501, a drip irrigation head 5 is in threaded fit with a self-sealing cylinder 6 through the screw sleeve 501, a pressure equalizing plate 504 is of a disc-shaped structure with the diameter between a large opening and a small opening of the conical cylinder of the drip irrigation head 5, a core pipe 601 transversely penetrating through the side wall of the distribution pipe 4 is coaxially arranged in the self-sealing cylinder 6, the core pipe 601 is in clearance fit with the side wall of the distribution pipe 4, so that the core pipe 601 can transversely move on the side wall of the distribution pipe 4, the core pipe 601 is of a straight pipe structure transversely communicated with the screw sleeve 501 and the drip irrigation head 5, and the outer end part of the core pipe 601 outwards extends to form a blocking edge 601a of an annular bulge structure;

The end of the core tube 601 far away from the swivel 501 is longitudinally penetrated with a discharge hole 603 serving as a water injection hole for injecting water into the drip irrigation head 5, one end of the core tube 601 extending into the distribution tube 4 is fixedly provided with a self-sealing plate 604, a large spring 602 which keeps the self-sealing plate 604 tightly abutted against the inner wall of the distribution tube 4 is sleeved outside the core tube 601 between the baffle edge 601a and the distribution tube 4, the large spring 602 is used for pushing the baffle edge 601a outwards so as to seal the joint of the core tube 601 and the distribution tube 4 from the sealing plate 601, the compression stroke of the large spring 602 is larger than the interval between the discharge hole 603 and the inner wall of the distribution tube 4, the drip irrigation head 5 is ensured to be installed at the end part of the self-sealing tube 6, the core tube 601 can be pushed to enable the discharge hole 603 at the end part of the core tube 601 to extend into the distribution tube 4, the distribution tube 4 is communicated with the core tube 601 through the discharge hole 603, the distribution tube 3 is communicated with the distribution tube 4 through a flange, a water collecting cover 301 is arranged below the distribution tube 3, a pipeline joint 302 is communicated between the top end of the water collecting cover 301 and the bottom of the distribution tube 3, the water collecting cover 301 is in a cone-shaped structure with the bottom end opening of the distribution cup 301, the piston 301 is fixed with the inner wall 301a of the piston 1, and the piston 301 is sealed by the piston 1;

The filter cover 303 is arranged at the opening of the bottom end of the catchment cover 301, the filter plate 304 with densely distributed meshes is arranged at the bottom of the filter cover 303, so that the filter plate 304 is prevented from being blocked by a drain hole 603 when the fertilizer in water is not melted, a transmission shaft rod 305 which vertically stretches into the gathering position of the top end of the catchment cover 301 is coaxially matched with the middle part of the filter plate 304 in a rotating way, a propeller 306 is fixed at the top end of the transmission shaft rod 305, the water flowing upwards in the catchment cover 301 is accelerated through the collection of the catchment cover 301, the water flow speed is increased, the propeller 306 is driven to rotate by water flow, the bottom end of the transmission shaft rod 305 is fixedly surrounded by a brush rod 307 which extends to the bottom side of the filter plate 304, bristles which are flush with the bottom surface of the filter plate 304 are densely distributed at the top side of the brush rod 307, the brush rod 307 is utilized to clean and brush the bottom side of the filter plate 304 in the rotating process of the transmission shaft rod 305 and the brush rod 307, so that the channels of the filter plate 304 are prevented from being blocked by the fertilizer or other impurities, the upper side of the catchment cover 301 is sleeved and fixed with a circular counterweight part 309, the counterweight part 309 is of a hollow structure, the outer wall of the counterweight part 309 transversely penetrates through a water injection hole, a rubber plug 309a for closing the water injection hole is arranged on the outer side of the counterweight part 309 in a removable manner, water is added and subtracted into the counterweight part 309 by opening the rubber plug 309a, the weight of the counterweight part 309 is changed, the water pressure of the drainage manifold 3 and the water pressure of the distribution pipes 4 are regulated, the drip irrigation speed regulation is realized, a limiting rod 308 vertically penetrates through the piston disc 301a, the bottom end of the limiting rod 308 extends downwards to the lower side of the filter plate 304, the limiting rod 308 is in threaded fit with the piston disc 301a, a knob 308a for conveniently grabbing the rotary limiting rod 308 is fixed at the top end of the limiting rod 308, the limiting rod 308 is arranged on the piston disc 301a, the piston disc 301a can be prevented from moving downwards to the bottommost part of the water tank 1 during the drip irrigation to the final stage, namely avoiding the suction of scale and other impurities of the irrigation water at the lowest side of the water tank 1 into the irrigation pipe;

A frame 12 capable of supporting the water tank 1 to switch the transverse and vertical postures is arranged below the water tank 1, a traveling system 9 is arranged at the bottom side of the frame 12, the traveling system 9 comprises a longitudinal beam 901 fixed at the bottom side of the frame 12, two ends of the longitudinal beam 901 are respectively fixedly provided with a transversely extending steel plate spring 902, two groups of transversely parallel arranged axles 903 are longitudinally fixed at the two ends of the steel plate springs 902, wheels 904 for supporting equipment to integrally travel are respectively fixed at the front end and the rear end of the axles 903, mud guards 12c for protecting the wheels 904 are respectively arranged at the two sides of the frame 12, a handle 10 is arranged at one side of the frame 12 far away from the distribution pipes 4 and can push equipment to integrally move by holding the handle 10, a screw 11 transversely extending is rotationally arranged at the middle of the frame 12, and a plurality of groups of clamping distribution pipes 4 are vertically and uniformly arranged at the front side and the rear side of the water tank 1 so as to support the pipe clamps 13 which are spirally wound on the outer side of the water tank 1;

Two groups of rotating lugs 101 are vertically arranged on one side, far away from the distribution pipe 4, of the water tank 1, a sliding groove 12a vertically penetrates through the middle of the frame 12, two groups of sliding blocks 12b are transversely arranged in the sliding groove 12a in a sliding manner, one group of sliding blocks 12b below the water tank 1 are hinged with one group of rotating lugs 101 at the lower position of the water tank 1, inclined struts 8 are hinged between the sliding blocks 12b, far away from the distribution pipe 4, inside the sliding groove 12a and the other group of rotating lugs 101 at the upper position of the water tank 1, a screw 11 sequentially penetrates through the two groups of sliding blocks 12b, two groups of external threads 11a which are connected with the two groups of sliding blocks 12b in a threaded manner are arranged at two ends of the screw 11, a turntable 11b is fixed at the outer end of the screw 11, the upper and lower parts of the outer side of the water tank 1 can be respectively supported by the two groups of sliding blocks 12b which can reversely slide, the water tank 1 is vertically supported when the two groups of sliding blocks 12b are close, the two groups of sliding blocks 12b are driven to reversely slide when the water tank 1 is required to move, so that the water tank 1 is supported to fall horizontally, the gravity is prevented from being overturned, and the transportation safety is improved.

A method of drip irrigation corn water and fertilizer applicator comprising the steps of:

a. Injecting water for drip irrigation into the water tank 1 in advance, snaking the distribution pipe 4 serving as a drip irrigation pipeline to a drip irrigation position required in a field, opening the tail valve 7 at the moment so as to discharge air in the distribution pipe 4 and the water discharge main pipe 3 outwards, then pulling the water discharge main pipe 3 to move downwards integrally through a piston disc 301a below the water discharge main pipe 3 and a counterweight 309, and pushing the drip irrigation water in the water tank 1 to continuously inject the drip irrigation water into the water discharge main pipe 3 and the distribution pipe 4 by utilizing the sliding sealing effect of the piston disc 301a and the inner wall of the water tank 1, and closing the tail valve 7 after water is discharged from the outer end part of the distribution pipe 4 so as to seal the distribution pipe 4;

b. The distribution pipe 4 and the water discharging main pipe 3 are continuously filled with water, the pressure is continuously increased, the water pressure in the distribution pipe 4 is utilized to push the equalizing plate 504 to overcome the elastic force of the small spring 503, so that when the distribution pipe 4 is fully filled with water and the water pressure is increased to overcome the pressure of the small spring 503, the synchronous and equivalent water discharging and drip irrigation work of a plurality of groups of drip irrigation heads 5 integrally connected with the outer side of the distribution pipe 4 is realized, and the drip irrigation nozzles at the near end and the far end of a drip irrigation pipeline can be kept synchronously opened and the water yield is equalized;

c. When the number and the positions of the drip irrigation heads 5 are required to be adjusted according to the plant positions, during normal use, the threaded sleeves 501 of the drip irrigation heads 5 are completely screwed into the self-sealing cylinders 6, the threaded sleeves 501 are utilized to push the core tubes 601 to compress the large springs 602, so that the core tubes 601 are pushed to drive the self-sealing plates 604 to separate from the inner walls of the distribution pipes 4, further the discharge holes 603 of the core tubes 601 extend into the distribution pipes 4, automatic opening of drainage channels in the self-sealing cylinders 6 in the connection state of the drip irrigation heads 5 is realized, when drip irrigation at the set positions is required to be closed, the drip irrigation heads 5 at the positions are screwed off from the self-sealing cylinders 6, the threaded sleeves 501 of the drip irrigation heads 5 are separated from the self-sealing cylinders 6, simultaneously, the large springs 602 in a compressed state are utilized to push the blocking edges 601a and the core tubes 601 to reset, the self-sealing plates 604 at the ends of the core tubes 601 are abutted against the inner walls of the distribution pipes 4, and the discharge holes 603 extend out of the distribution pipes 4, and automatic sealing closing of the self-sealing cylinders 6 is realized;

d. When the water tank 1 needs to be horizontally laid down to improve walking stability in the transportation process, the rotating turntable 11b drives the screw rod 11 to rotate, two groups of external threads 11a with opposite directions are rotated at the two ends of the screw rod 11 to drive the two groups of sliding blocks 12b to be away from each other along opposite directions under the guidance of the sliding grooves 12a, so that the inclined strut 8 and the bottom of the water tank 1 are respectively pulled to slide in opposite directions through the two groups of sliding blocks 12b, at the moment, the top end of the water tank 1 moves towards the direction close to the grip 10, and the bottom end of the water tank 1 moves towards the direction close to the distribution pipe 4, so that the safe tilting and laying action is completed while the center of gravity of the water tank 1 is kept at the middle part of the frame 12.

According to the invention, the lifting and movable water draining main pipe 3 is arranged in the water tank 1, the piston disc 301a matched with the inner wall of the water tank 1 is pressed down by utilizing the weight of the counterweight 309 at the bottom end of the water draining main pipe 3, water in the water tank 1 is extruded by the piston disc 301a to be drained into the water draining main pipe 3 and the distribution pipe 4, as the weights of the water draining main pipe 3 and the counterweight 309 are unchanged, a plurality of groups of drip irrigation heads 5 on the distribution pipe 4 can be ensured to drip irrigation and drain at a constant water outlet speed, and the drip irrigation speed can be changed by adjusting the water amount serving as a counterweight in the counterweight 309;

In addition, a plurality of groups of self-sealing cylinders 6 are arranged on the outer side of the distribution pipe 4, the self-sealing cylinders 6 are used for communicating the drip irrigation heads 5 to perform fixed-point drip irrigation and drainage, after the drip irrigation heads 5 are disassembled, the large springs 602 in the self-sealing cylinders 6 can push the core pipe 601 to enable the self-sealing plates 604 at the end parts of the core pipe to be pressed to the side walls of the distribution pipe 4, so that the water outlet channels at the positions are automatically sealed, the installation positions of the drip irrigation heads 5 on the plurality of groups of self-sealing cylinders 6 are correspondingly adjusted according to the positions of corn plants, fixed-point spray irrigation is further realized, and water is saved;

In addition, the equalizing plate 504 of a closed structure is arranged inside the drip irrigation heads 5 serving as a water spraying drip irrigation structure, all the drip irrigation heads 5 can be guaranteed to be in a closed state before the distribution pipe 4 is entirely filled with water, after the distribution pipe 4 is entirely filled with water, the water pressure is increased and the small springs 503 are pressed through continuous water injection, the equalizing plate 504 is separated from the inner wall of the drip irrigation heads 5, synchronous equivalent water injection irrigation of a plurality of groups of drip irrigation heads 5 is realized at the moment, the problems that the current drip irrigation heads 5 are directly communicated with pipelines to cause large near-end water yield and insufficient far-end irrigation are solved, and the irrigation uniformity is improved.

The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (5)

1. A drip irrigation formula maize liquid manure application device, its characterized in that: the automatic drip irrigation device comprises a water tank (1) and a drainage main pipe (3), wherein the drainage main pipe (3) vertically stretches into the water tank (1) along an opening at the top of the water tank (1), a tank cover (2) for supporting the drainage main pipe (3) to vertically slide is fixed at an opening at the top end of the water tank (1), a distribution pipe (4) extending outwards is communicated with the top end of the drainage main pipe (3), the distribution pipe (4) is a hose, drip irrigation heads (5) are uniformly arranged outside the distribution pipe (4) along the length direction of the distribution pipe, a self-sealing cylinder (6) is communicated between the drip irrigation heads (5) and the distribution pipe (4), and a tail valve (7) is arranged at the outer end part of the distribution pipe (4);

The drip irrigation head (5) is a conical cylinder with an outward opening, a threaded sleeve (501) extending into the self-sealing cylinder (6) is fixed at one end, close to the self-sealing cylinder (6), of the drip irrigation head (5), a stay bar (502) is coaxially arranged inside the drip irrigation head (5) in a penetrating mode, an auxiliary plate (505) supporting the inner stay bar (502) to transversely slide is longitudinally fixed inside the drip irrigation head (5), a pressure equalizing plate (504) attached to the conical cylinder wall on the inner side of the drip irrigation head (5) is fixed at the outer end of the stay bar (502), an anti-falling block (502 a) is fixed at the other end of the stay bar (502), and a small spring (503) for keeping the pressure equalizing plate (504) tightly abutted to the inner wall of the drip irrigation head (5) is sleeved on the outer side of the stay bar (502) between the anti-falling block (502 a) and the auxiliary plate (505).

The diameter of the anti-drop block (502 a) and the height of the auxiliary plate (505) are smaller than the inner diameter of the screw sleeve (501), threads are arranged on the outer side of the screw sleeve (501), the drip irrigation head (5) is in threaded fit with the self-sealing cylinder (6) through the screw sleeve (501), and the equalizing plate (504) is of a disc-shaped structure with the diameter between the large opening and the small opening of the cone of the drip irrigation head (5);

The self-sealing cylinder (6) is internally and coaxially provided with a core tube (601) which transversely penetrates through the side wall of the distribution pipe (4), the core tube (601) is in clearance fit with the side wall of the distribution pipe (4), the core tube (601) is of a straight tube structure which transversely communicates the threaded sleeve (501) and the drip irrigation head (5), and the outer end part of the core tube (601) outwards extends to form a blocking edge (601 a) of an annular protruding structure;

the core tube (601) is far away from one end of the screw sleeve (501) and longitudinally penetrates through a discharge hole (603), a self-sealing plate (604) is fixed at one end of the core tube (601) extending into the distribution tube (4), a large spring (602) for keeping the self-sealing plate (604) tightly abutted against the inner wall of the distribution tube (4) is sleeved on the outer side of the core tube (601) between the blocking edge (601 a) and the distribution tube (4), and the large spring (602) is used for pushing the blocking edge (601 a) outwards so as to seal the joint of the core tube (601) and the distribution tube (4) by the self-sealing plate (604);

The compression stroke of the large spring (602) is larger than the distance between the discharge hole (603) and the inner wall of the distribution pipe (4), the water discharge main pipe (3) is communicated with the distribution pipe (4) through a flange, a water collecting cover (301) is arranged below the water discharge main pipe (3), a pipeline joint (302) is arranged between the top end of the water collecting cover (301) and the bottom end of the water discharge main pipe (3), the water collecting cover (301) is of a cone-shaped structure with an opening at the bottom end gradually expanding, a disc-shaped piston disc (301 a) is fixed on the outer side of the bottom of the water collecting cover (301), and the piston disc (301 a) is vertically sealed in a sliding mode with the inner wall of the water tank (1);

The utility model discloses a filter plate, including filter plate (304), catchment cover (301) bottom opening part is provided with filter cover (303), filter plate (303) bottom is filter plate (304) for densely covered mesh, filter plate (304) middle part coaxial normal running fit has vertical stretching into catchment cover (301) top gathers together transmission axostylus axostyle (305) of position, transmission axostylus axostyle (305) top is fixed with screw (306), just transmission axostylus axostyle (305) bottom is encircleed and is fixed with brush rod (307) that extend to filter plate (304) bottom side.

2. The drip irrigation corn water and fertilizer applicator of claim 1 wherein: the brush-holder stud (307) top side is densely covered with the parallel and level the brush hair of filter plate (304) bottom surface, catchment cover (301) upside cover is established and is fixed with annular counter weight portion (309), counter weight portion (309) are hollow structure, and this counter weight portion (309) outer wall transversely has been link up the water injection hole, just counter weight portion (309) outside is removable to be provided with and is used for sealing plug (309 a) in water injection hole, vertically on piston disc (301 a) are worn through there is gag lever post (308), gag lever post (308) bottom downwardly extending reaches filter plate (304) below, just gag lever post (308) with piston disc (301 a) screw-thread fit, this gag lever post (308) top is fixed with and conveniently snatchs rotatory knob (308 a) of gag lever post (308).

3. The drip irrigation corn water and fertilizer applicator of claim 1 wherein: the utility model discloses a water tank, including water tank (1), frame (12) that water tank (1) was provided with below can support this water tank (1) horizontal and vertical gesture and switch, frame (12) bottom side is provided with traveling system (9), frame (12) are kept away from distributing pipe (4) one side is provided with handle (10), and the rotation of this frame (12) middle part is provided with screw rod (11) of horizontal extension, just the equal vertical even arrangement of side has a plurality of groups centre gripping distributing pipe (4) in order to support distributing pipe (4) spiral winding to pipe clamp (13) in water tank (1) outside around water tank (1).

4. A drip irrigation corn water fertilizer applicator as set forth in claim 3 wherein: the water tank (1) is kept away from two sets of rotation lugs (101) are vertically arranged on one side of the distribution pipe (4), a sliding groove (12 a) is vertically penetrated in the middle of the frame (12), two sets of sliding blocks (12 b) are transversely arranged in the sliding groove (12 a), one set of sliding blocks (12 b) below the water tank (1) are hinged with one set of rotation lugs (101) at the lower position of the water tank (1), the sliding groove (12 a) is internally kept away from one side of the distribution pipe (4), a diagonal brace (8) is hinged between the sliding blocks (12 b) and the other set of rotation lugs (101) at the upper position of the water tank (1), two sets of sliding blocks (12 b) are sequentially penetrated through by the screw rod (11), two sets of external threads (11 a) which are respectively connected with the two sets of sliding blocks (12 b) in a threaded mode are arranged at two ends of the screw rod (11), and a turntable (11 b) is fixedly arranged at the outer end portion of the screw rod (11).

5. The method of using a drip irrigation corn water fertilizer applicator of claim 4 comprising the steps of:

a. injecting water used for drip irrigation into a water tank (1) in advance, snaking a distribution pipe (4) used as a drip irrigation pipeline to a drip irrigation position required by a field, opening a tail valve (7) at the moment so as to discharge air in the distribution pipe (4) and a water discharge main pipe (3) outwards, and then driving the water discharge main pipe (3) to move downwards integrally by traction of a piston disc (301 a) and a counterweight part (309) below the water discharge main pipe (3), wherein the drip irrigation water in the water tank (1) is continuously injected into the water discharge main pipe (3) and the distribution pipe (4) by pushing the sliding sealing effect of the piston disc (301 a) and the inner wall of the water tank (1), and closing the tail valve (7) after water is discharged from the outer end part of the distribution pipe (4);

b. The distribution pipe (4) and the water discharging main pipe (3) are continuously filled with water, the pressure is continuously increased, the water pressure in the distribution pipe (4) is utilized to push the equalizing plate (504) to overcome the elasticity of the small spring (503), so that when the distribution pipe (4) is fully filled with water and the water pressure is increased to the pressure capable of overcoming the small spring (503), the synchronous equivalent water discharging and drip irrigation work of a plurality of groups of drip irrigation heads (5) integrally connected with the outer side of the distribution pipe (4) is realized, and the synchronous opening and equivalent water yield of the drip irrigation heads at the near end and the far end of a drip irrigation pipeline are ensured;

c. When the number and the positions of the drip irrigation heads (5) are required to be adjusted according to the plant positions, during normal use, the threaded sleeves (501) of the drip irrigation heads (5) are completely screwed into the self-sealing cylinder (6), the threaded sleeves (501) are utilized to push the core tubes (601) to compress the large springs (602) so as to push the core tubes (601) to drive the self-sealing plates (604) to separate from the inner walls of the distribution pipes (4), then the discharge holes (603) of the core tubes (601) extend into the distribution pipes (4), automatic opening of the drainage channels inside the self-sealing cylinder (6) in the connection state of the drip irrigation heads (5) is realized, when drip irrigation at the set positions is required to be closed, the drip irrigation heads (5) at the positions are screwed off from the self-sealing cylinder (6), and simultaneously, the large springs (602) in the compressed state are utilized to keep the edges (601 a) and push the core tubes (601) to reset, and the self-sealing plates (604) at the ends of the core tubes (601) are abutted against the inner walls of the distribution pipes (4), and the discharge holes (603) extend out of the distribution pipes (4), so that the self-sealing cylinder (6) is automatically closed;

d. When the water tank (1) is required to be horizontally laid down to improve walking stability in the transportation process, the rotating turntable (11 b) drives the screw rod (11) to rotate, two groups of external threads (11 a) opposite in rotation directions are utilized at two ends of the screw rod (11) to drive two groups of sliding blocks (12 b) to be away from each other along opposite directions under the guidance of the sliding groove (12 a), so that the inclined strut (8) and the bottom of the water tank (1) are respectively pulled to slide in opposite directions through the two groups of sliding blocks (12 b), at the moment, the top end of the water tank (1) moves towards the direction close to the grip (10), and the bottom end of the water tank (1) moves towards the direction close to the distribution pipe (4), so that the safe inclined laying down action is completed while the center of gravity of the water tank (1) is kept at the middle part of the frame (12) is ensured.