CN115380805B

CN115380805B - Accurate irrigation equipment

Info

Publication number: CN115380805B
Application number: CN202211111858.6A
Authority: CN
Inventors: 唐建昭; 周海涛; 张新军; 柏会子; 郭风华; 王仁德; 肖登攀
Original assignee: Institute Of Geography Hebei Academy Of Sciences
Current assignee: Institute Of Geography Hebei Academy Of Sciences
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2023-07-04
Anticipated expiration: 2042-09-13
Also published as: CN115380805A

Abstract

The invention relates to the technical field of irrigation devices, and provides an accurate irrigation device which comprises a dosing mechanism, wherein the dosing mechanism comprises a stirring barrel, a dosing box and a first water pump, the dosing box is communicated with the stirring barrel, the first water pump is communicated with the stirring barrel, the stirring barrel is provided with the stirring mechanism, the winding mechanism comprises a supporting frame and a winding shaft, a winding motor is arranged on the supporting frame, the output end of the winding motor is fixedly connected with the winding shaft, a water supply pipe is wound on the periphery of the winding shaft, a second water pump is communicated with the stirring barrel and the water supply pipe, a second crawler travelling mechanism is connected with a rotating frame through a rotating mechanism, a dry and wet detection mechanism comprises a first electric cylinder and a soil humidity sensor, an irrigation mode conversion mechanism comprises a fixed pipe, a drip irrigation mechanism and a spray irrigation mechanism, the fixed pipe is fixedly connected with the rotating frame, and the fixed pipe is communicated with the water supply pipe.

Description

Accurate irrigation equipment

Technical Field

The invention relates to the technical field of irrigation devices, in particular to a precise irrigation device.

Background

Irrigation is a technical measure of supplementing soil with water required by crops. In order to ensure the normal growth of crops, obtain high and stable yield, the crops must be supplied with sufficient moisture. Under natural conditions, the demand of crops on water is difficult to meet due to insufficient precipitation or uneven distribution. Therefore, it is necessary to irrigate artificially to compensate for the shortage of natural rainfall, and the irrigation amount, irrigation times and time are determined according to the water demand characteristics, growth stage, climate and soil conditions of plants, especially the irrigation work of potatoes, which are crops requiring a large amount of water and crops with uninterrupted water supply, especially tuber formation and tuber growth stages, and the soil moist state is continuously maintained. Meanwhile, the later period of potato growth is intolerant to waterlogging, flood or excessive humidity can cause that tubers are intolerant to store or rot, different irrigation modes are needed in different growth periods, the potato production mainly adopts a ditch irrigation mode for a long time, watering is carried out for about 10 times in the growth period, watering amount is more each time, arid years are more, water resources are wasted greatly, loss of a large amount of nutrients is caused, along with the development of technology, the irrigation mode of drip irrigation or spray irrigation is adopted gradually to irrigate potatoes, water resources are saved, but drip irrigation and spray irrigation are needed to be paved with a large amount of pipelines in the field, winding and recycling work of drip irrigation belts and spray irrigation water pipes is heavy, frequent paving and winding are needed, time is wasted, drip irrigation and spray irrigation are usually carried out in an integral irrigation mode, in actual planting, the dry and wet degrees of the potatoes are different due to the difference of geographic positions of the fields, the prior art is inconvenient to accurately regulate the dry and wet degrees of soil, namely, the drip irrigation is inconvenient to install the potatoes on a dam or the hilly land, and the soil is difficult to irrigate the soil, and the soil is more difficult to install in the field, and the soil is more difficult to irrigate the soil and more difficult to the soil is more difficult than the soil and more difficult to irrigate.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the invention provides a precise irrigation device which solves the problems that the prior art is inconvenient to wind an irrigation pipeline, is inconvenient to irrigate precisely according to the dryness and humidity degree of soil, and simultaneously irrigates in fields with complex geographical environments with complex work.

(II) technical scheme

In order to achieve the above purpose, the present invention provides the following technical solutions: an accurate irrigation device comprises a first crawler travelling mechanism, a dosing mechanism, a winding mechanism, a second water pump, a second crawler travelling mechanism, a dry-wet detection mechanism and an irrigation mode conversion mechanism;

a bottom plate is arranged at the top end of the first crawler travelling mechanism;

the dosing mechanism comprises a stirring barrel, a dosing box and a first water pump, wherein the stirring barrel and the dosing box are fixedly connected to the top end of the bottom plate, the bottom end of the dosing box is communicated with the stirring barrel through a dosing pipe, a dosing valve is arranged on the dosing pipe, the first water pump is communicated with a water suction pipe, the water outlet end of the first water pump is communicated with the stirring barrel, and the stirring barrel is provided with a stirring mechanism;

the winding mechanism comprises a supporting frame and a winding shaft, the supporting frame is fixedly connected to the top end of the bottom plate, the winding shaft is rotationally connected with the supporting frame, a winding motor is mounted on the supporting frame, the output end of the winding motor is fixedly connected with the winding shaft, and a water supply pipe is wound around the periphery of the winding shaft;

the water pumping end of the second water pump is communicated with the bottom of the stirring barrel, and the water outlet end of the second water pump is communicated with the water supply pipe;

the top end of the second crawler travelling mechanism is connected with a rotating frame through a rotating mechanism;

the dry-wet detection mechanism comprises a first electric cylinder and a soil humidity sensor, the rotating frame is fixedly connected with a mounting frame, the first electric cylinder is mounted on the mounting frame, the output end of the first electric cylinder is fixedly connected with a lifting frame, and the soil humidity sensor is mounted at the bottom end of the lifting frame;

the irrigation mode conversion mechanism comprises a fixed pipe, a drip irrigation mechanism and a spray irrigation mechanism, wherein the fixed pipe is fixedly connected with the rotating frame, and the fixed pipe is communicated with the water supply pipe;

the drip irrigation mechanism comprises a drip irrigation belt, the drip irrigation belt is communicated with the fixed pipe through a connecting pipe, a drip irrigation valve is arranged on the connecting pipe, and a rotating frame is connected with a lifting mechanism for driving the drip irrigation belt to lift;

wherein, the sprinkling irrigation mechanism includes the sprinkling irrigation pipe, the sprinkling irrigation pipe with fixed pipe intercommunication, be provided with the sprinkling irrigation valve on the sprinkling irrigation pipe, the sprinkling irrigation pipe rotates and is connected with the irrigation shower nozzle, the irrigation shower nozzle pass through the hose with sprinkling irrigation pipe intercommunication, sprinkling irrigation union coupling has and is used for driving irrigation shower nozzle pivoted actuating mechanism.

Further, the stirring mechanism comprises a stirring motor, the stirring motor is arranged at the top end of the stirring barrel, the output end of the stirring motor stretches into the stirring barrel and is fixedly connected with a stirring shaft, and the periphery of the stirring shaft is fixedly connected with a plurality of stirring blades.

Still further, the slewing mechanism includes the rotation motor, the rotation motor passes through the mount and installs the top of second track running gear, the revolving rack passes through the pivot rotation to be connected the top of second track running gear, the output fixedly connected with drive gear of rotation motor, the peripheral fixed cover of pivot is equipped with driven gear, driven gear with drive gear meshing.

Still further, elevating system includes the electronic jar of second, revolving rack fixedly connected with support, the electronic jar of second is installed on the support, the bottom output fixedly connected with lifter plate of the electronic jar of second, the lifter plate is through a plurality of branch fixedly connected with a plurality of snap rings, drip irrigation zone is located a plurality of the inside of snap ring.

On the basis of the scheme, the driving mechanism comprises a driving motor, the driving motor is fixedly arranged on the outer side wall of the spray irrigation pipe, a plurality of rotating plates are fixedly connected to the top end of the irrigation spray head, the spray irrigation pipe is fixedly connected with a rotating seat, the rotating plates are rotationally connected to the inside of the rotating seat through rotating rods, and the output end of the driving motor is fixedly connected with the rotating rods.

In order to bear the second crawler travelling mechanism, the second crawler travelling mechanism moves along with the first crawler travelling mechanism, the bottom plate is fixedly connected with a bearing frame, the bearing frame is rotationally connected with an inclined plate through a rotating shaft, the bearing frame is fixedly provided with an adjusting motor, and the output end of the adjusting motor is fixedly connected with the rotating shaft.

In order to guarantee smooth joining of medicine, the top fixedly connected with rack of bottom plate, the peripheral fixedly connected with of dosing tank a plurality of mounting pieces, the mounting piece pass through the bolt with the rack can dismantle the connection, the bottom height of dosing tank is greater than the top height of agitator.

In order to realize the switching of agitator and dosing tank, the top of agitator can be dismantled and be connected with the bung, the top threaded connection of dosing tank has the case lid, the case lid intercommunication has the dosing bucket.

(III) beneficial effects

Compared with the prior art, the invention provides the accurate irrigation device, which has the following beneficial effects:

1. according to the invention, the drip irrigation belt or the irrigation spray head can be driven to move to the irrigation position by the second crawler travelling mechanism, the rolling motor can drive the rolling shaft to rotate forwards and backwards, the water supply pipe is rolled and unrolled, and the usable length of the water supply pipe is adjusted, so that the device is suitable for the movement of the second crawler travelling mechanism and is used for irrigating potatoes in different positions, therefore, the accurate irrigation device is used for irrigating potatoes in different positions by rolling of the water supply pipe and is matched with the movement of the drip irrigation belt and the irrigation spray head by using the second crawler travelling mechanism, and meanwhile, the device is convenient to store and has small influence on seed sowing, finished product harvesting and the like.

2. According to the invention, the soil humidity is detected through the soil humidity sensor, whether irrigation is carried out or not is judged according to the soil humidity, whether a drip irrigation mode or a spray irrigation mode is adopted is judged, the drip irrigation mode and the spray irrigation mode can be switched through the opening and closing of the drip irrigation valve and the spray irrigation valve, the drip irrigation belt can be driven to lift through the lifting mechanism to drip irrigation the root of the potato, the driving mechanism can drive the irrigation spray head to rotate to carry out uniform irrigation, and therefore, the precise irrigation device can confirm the dryness and humidity degree of the land and carry out local irrigation through detection, realize precise irrigation, save water resources and ensure the optimal growth environment of the potato.

3. According to the invention, the first crawler travelling mechanism and the second crawler travelling mechanism can adapt to more complex terrains, so that potatoes in a terraced field are irrigated, and meanwhile, the first water pump can pump water to an irrigation place, so that the transportation work of the water is reduced, and the precise irrigation device is convenient to adapt to irrigation work in more complex geographic environments.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present invention and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of a partial enlarged structure of the present invention at A in FIG. 1;

FIG. 3 is a schematic view of a partially enlarged structure of the present invention at B in FIG. 1;

FIG. 4 is a schematic three-dimensional structure of the first electric cylinder, the soil humidity sensor, the mounting frame, the lifting frame and the like in cooperation;

fig. 5 is a schematic perspective view of the supporting frame, the winding shaft, the winding motor, the water supply pipe and the like.

Reference numerals in the drawings represent respectively: 1. a first crawler travel mechanism; 2. a bottom plate; 3. a stirring barrel; 4. a dosing box; 5. a first water pump; 6. a water pumping pipe; 7. a support frame; 8. a winding shaft; 9. a winding motor; 10. a water supply pipe; 11. a second water pump; 12. a second crawler travel mechanism; 13. a rotating frame; 14. a first electric cylinder; 15. a soil humidity sensor; 16. a mounting frame; 17. a lifting frame; 18. a fixed tube; 19. a drip irrigation belt; 20. a spray irrigation pipe; 21. irrigation spray heads; 22. a stirring motor; 23. stirring the leaves; 24. a rotating motor; 25. a drive gear; 26. a driven gear; 27. a second electric cylinder; 28. a bracket; 29. a lifting plate; 30. a clasp; 31. a driving motor; 32. a rotating plate; 33. rotating base; 34. a carrier; 35. a sloping plate; 36. adjusting a motor; 37. a placing rack; 38. a mounting piece; 39. a barrel cover; 40. a case cover.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Examples

Referring to fig. 1-5, an accurate irrigation device comprises a first crawler traveling mechanism 1, a dosing mechanism, a winding mechanism, a second water pump 11, a second crawler traveling mechanism 12, a dryness and wetness detecting mechanism and an irrigation mode switching mechanism, wherein the first crawler traveling mechanism 1 and the second crawler traveling mechanism 12 are common crawler traveling mechanisms on the market, which are known to those skilled in the art, and can be outsourced, can adapt to the walking of more complicated terrains and pavements, facilitate the accurate irrigation device to be moved to an irrigation area, especially adapt to the irrigation work in terraces, the top end of the first crawler traveling mechanism 1 is provided with a bottom plate 2, the bottom plate 2 is fixedly connected with a bearing frame 34, the bearing frame 34 is rotatably connected with a sloping plate 35 through a rotating shaft, the bearing frame 34 is fixedly provided with an adjusting motor 36, the output end of the adjusting motor 36 is fixedly connected with the rotating shaft, the second crawler traveling mechanism 12 can be parked at the top end of the bearing frame 34 and move along with the first crawler traveling mechanism 1, the inclined plate 35 can be driven to rotate through the adjusting motor 36, one end of the inclined plate 35 away from the bearing frame 34 rotates to be in contact with the ground, the second crawler traveling mechanism 12 can move from the bearing frame 34 to the ground and can climb to the top of the bearing frame 34 from the ground, the dosing mechanism comprises a stirring barrel 3, a dosing tank 4 and a first water pump 5, the stirring barrel 3 and the dosing tank 4 are fixedly connected at the top end of the bottom plate 2, medicines or fertilizers required by the growth of crops can be added into the dosing tank 4, the bottom end of the dosing tank 4 is communicated with the stirring barrel 3 through a dosing pipe, a dosing valve is arranged on the dosing pipe, the opening and closing of the dosing pipe can be controlled through the dosing valve, the medicine or fertilizer in the medicine adding box 4 can be quantitatively added into the stirring barrel 3, the inside and the water are uniformly stirred and are conveyed to crops along with the water, the combination of irrigation and medicine spraying or fertilizer application is realized, the top end of the bottom plate 2 is fixedly connected with the placing frame 37, the periphery of the medicine adding box 4 is fixedly connected with a plurality of mounting plates 38, the mounting plates 38 are detachably connected with the placing frame 37 through bolts, the convenient disassembly and assembly of the medicine adding box 4 can be realized through the bolts, the bottom end height of the medicine adding box 4 is larger than the top end height of the stirring barrel 3, the falling of the medicine or fertilizer in the medicine adding box 4 is facilitated, the water outlet end of the first water pump 5 is communicated with the stirring barrel 3, the water at the water supply positions such as a water station, a water well or a water storage tank can be pumped out through the first water pump 5, the water is conveyed into the inside of the stirring barrel 3 for storage and preparation for subsequent irrigation work, the top end of the stirring barrel 3 is detachably connected with a barrel cover 39, so that the stirring barrel 3 can be conveniently opened and closed, the interior of the stirring barrel 3 is cleaned or maintained, the top end of the dosing box 4 is in threaded connection with a box cover 40, the dosing box 4 can be conveniently opened and closed, the dosing box 4 can be cleaned, medicines or fertilizers can be conveniently replaced, the box cover 40 is communicated with a dosing hopper, medicines or fertilizers can be conveniently added into the dosing box 4 through the dosing hopper, a drain pipe can be arranged at the bottom of the stirring barrel 3, a valve is arranged on the drain pipe so as to conveniently discharge waste liquid in the stirring barrel 3, the stirring barrel 3 is provided with a stirring mechanism, the stirring mechanism comprises a stirring motor 22, the stirring motor 22 is arranged at the top end of the stirring barrel 3, the output end of the stirring motor 22 extends into the interior of the stirring barrel 3 and is fixedly connected with a stirring shaft, the periphery fixedly connected with a plurality of stirring leaves 23 of (mixing) shaft can drive (mixing) shaft and a plurality of stirring leaves 23 through (mixing) motor 22 and rotate (mixing) shaft and a plurality of stirring leaves 23, water and medicine or water and fertilizer in agitator 3 are mixed, guarantee the homogeneity of medicine or fertilizer, be convenient for guarantee follow-up spout medicine or fertilization effect to the crop, winding mechanism includes support frame 7 and receipts spool 8, support frame 7 fixed connection is in the top of bottom plate 2, receipts spool 8 with support frame 7 rotates to be connected, install the winding motor 9 on the support frame 7, the output of winding motor 9 with receipts spool 8 fixed connection, the peripheral winding of receipts spool 8 has water pipe 10, can drive receipts spool 8 through winding motor 9 and rotate (mixing) shaft 10 to the receipts spool 8 is rotated, and receipts spool 8 is reversed and is controlled to unreel water pipe 10, adapts to the removal of second track running gear 12, promptly adapts to the irrigation work of different distance crops, the end of second water pump 11 with the bottom intercommunication of agitator 3, second water pump 11 and water pipe 10 are taken out to the inside through the position of water pump 10 and water pipe 10.

It should be further noted that, the top end of the second crawler belt running mechanism 12 is connected with a rotating frame 13 through a rotating mechanism, the second crawler belt running mechanism 12 can drive the irrigation mode switching mechanism to move to an irrigation position, the rotating mechanism comprises a rotating motor 24, the rotating motor 24 is installed at the top end of the second crawler belt running mechanism 12 through a fixing frame, the rotating frame 13 is rotationally connected at the top end of the second crawler belt running mechanism 12 through a rotating shaft, the output end of the rotating motor 24 is fixedly connected with a driving gear 25, the periphery of the rotating shaft is fixedly sleeved with a driven gear 26, the driven gear 26 is meshed with the driving gear 25, the driving gear 25 can be driven to rotate through the rotating motor 24, thereby driving the driven gear 26 and the rotating shaft to rotate, driving the rotating frame 13 to rotate, adjusting the angle positions of the rotating frame 13 and the irrigation mode switching mechanism, the dry and wet detection mechanism comprises a first electric cylinder 14 and a soil humidity sensor 15, the rotating frame 13 is fixedly connected with a mounting frame 16, the first electric cylinder 14 is mounted on the mounting frame 16, the output end of the first electric cylinder 14 is fixedly connected with a lifting frame 17, the soil humidity sensor 15 is mounted at the bottom end of the lifting frame 17, the soil humidity sensor 15 is connected with a controller, the lifting frame 17 can be driven to lift through the first electric cylinder 14, thereby driving the soil humidity sensor 15 to lift, the detecting rod of the soil humidity sensor 15 is inserted into the ground to detect the humidity of the soil and transmit the detection result to the controller, if the detected soil humidity is lower, the ground is dried, the precise irrigation device is controlled to operate to irrigate the area, meanwhile, the soil humidity is further subdivided, if the humidity is relatively higher, adopt and drip irrigation the mode, even use and drip irrigation the mechanism and drip irrigation the crop, if the humidity is relatively lower, adopt and spray irrigation the mode, even use and spray irrigation the mechanism and carry out the sprinkling irrigation, the irrigation volume is great, irrigates efficiency higher.

Still further, the irrigation mode switching mechanism comprises a fixed pipe 18, a drip irrigation mechanism and a spray irrigation mechanism, the fixed pipe 18 is fixedly connected with the rotating frame 13, the fixed pipe 18 is communicated with the water supply pipe 10, water in the water supply pipe 10 is conveyed into the fixed pipe 18, the drip irrigation mechanism comprises a drip irrigation belt 19, the drip irrigation belt 19 is communicated with the fixed pipe 18 through a connecting pipe, a drip irrigation valve is arranged on the connecting pipe, the opening and closing of the connecting pipe can be controlled through the drip irrigation valve, so that the water in the water supply pipe 10 flows into the drip irrigation belt 19 to perform drip irrigation work, the rotating frame 13 is connected with a lifting mechanism for driving the drip irrigation belt 19 to lift, the lifting mechanism comprises a second electric cylinder 27, the rotating frame 13 is fixedly connected with a bracket 28, the second electric cylinder 27 is arranged on the bracket 28, the bottom output end of the second electric cylinder 27 is fixedly connected with a lifting plate 29, the lifting plate 29 is fixedly connected with a plurality of clamping rings 30 through a plurality of supporting rods, the drip irrigation belt 19 is positioned in a plurality of the clamping rings 30, the lifting plate 29 can be driven to lift through the second electric cylinder 27 so as to drive the plurality of supporting rods and the plurality of clamping rings 30 to lift, the height of the drip irrigation belt 19 is adjusted, the drip irrigation belt 19 is positioned at a higher position in the moving process, the abrasion caused by the contact between the drip irrigation belt 19 and the ground is reduced, the drip irrigation belt 19 is close to the ground after reaching a designated position, the drip irrigation accuracy is ensured, the water loss is reduced, the sprinkling irrigation mechanism comprises a sprinkling irrigation pipe 20, the sprinkling irrigation pipe 20 is communicated with the fixed pipe 18, a sprinkling irrigation valve is arranged on the sprinkling irrigation pipe 20, the sprinkling irrigation pipe 20 can be opened and closed through the sprinkling irrigation valve, the water in the water supply pipe 10 can flow into the sprinkling irrigation pipe 20, the utility model provides a sprinkler irrigation pipe 20 rotates and is connected with irrigation sprinkler 21, irrigation sprinkler 21 pass through the hose with sprinkler irrigation pipe 20 communicates, sprinkler irrigation pipe 20 is connected with and is used for driving irrigation sprinkler 21 pivoted actuating mechanism, actuating mechanism includes driving motor 31, driving motor 31 fixed mounting is in the lateral wall of sprinkler irrigation pipe 20, the top fixedly connected with of irrigation sprinkler 21 a plurality of revolving boards 32, sprinkler irrigation pipe 20 fixedly connected with swivel mount 33, revolving board 32 passes through the bull stick and rotates to be connected the inside of swivel mount 33, driving motor 31's output with bull stick fixed connection can drive the bull stick through driving motor 31 and rotate to drive revolving board 32 and revolute the pole and rotate, adjust the angle of irrigation sprinkler 21, make its sprinkling irrigation comparatively even.

It should be noted that, the dosing valve, the drip irrigation valve and the spray irrigation valve are all solenoid valves, the opening and closing of which can be controlled by electric signals, and the solenoid valves are known existing equipment by those skilled in the art and can be purchased outsourcly.

When the precise irrigation device irrigates crops, firstly, the precise irrigation device is moved to a road or a ridge of the field by using the first crawler travelling mechanism 1, the water suction pipe 6 is communicated with the water supply, the first water pump 5 is started, water is fed into the stirring barrel 3, the regulating motor 36 is started, the regulating motor 36 drives the inclined plate 35 to rotate to be in contact with the ground, the second crawler travelling mechanism 12 is moved from the bearing frame 34, the irrigation spray head 21, the drip irrigation belt 19, the soil humidity sensor 15 and the like are driven to move to the inside of the field, the movement is stopped after the movement is to a proper position, the winding motor 9 drives the winding shaft 8 to rotate in the process, the water conveying pipe 10 is unreeled, the first electric cylinder 14 is controlled to be started, the first electric cylinder 14 drives the detection rod of the soil humidity sensor 15 to be inserted into the ground, the degree of dryness and humidity of the soil is detected and is transmitted to the controller, then the first electric cylinder 14 drives the soil humidity sensor 15 to rise, when the soil humidity sensor 15 senses that the soil humidity is higher, the second winding mechanism 12 is driven to move back to the original position, the winding motor 9 is controlled to move, and the second crawler travelling mechanism 12 is matched with the movement of the second crawler travelling mechanism 10.

Further, if the soil humidity sensor 15 senses that the soil humidity is lower, the controller judges the soil humidity, if the humidity is lower than a certain level, the sprinkling irrigation valve is controlled to be opened, the sprinkling irrigation valve is in a closed state, meanwhile, the second water pump 11 is controlled to be opened, the second water pump 11 pumps water in the stirring barrel 3 and sends the water into the fixed pipe 18 and the sprinkling irrigation pipe 20 through the water supply pipe 10, the water is sprayed out through the irrigation spray nozzle 21, in the spraying process, the driving motor 31 is started, the driving motor 31 drives the irrigation spray nozzle 21 to rotate, the water is uniformly sprayed on the ground, meanwhile, the second crawler travelling mechanism 12 moves to the original position, and the winding motor 9 drives the winding shaft 8 to wind the water supply pipe 10 to perform uniform irrigation on crops in a furrow in cooperation with the movement of the second crawler travelling mechanism 12; if the humidity is lower than the irrigation humidity and higher than the irrigation humidity, the controller controls the drip irrigation valve to be opened, the drip irrigation valve is in a closed state, the second water pump 11 is controlled to be opened, water is fed into the drip irrigation belt 19 and is dripped at the root position of crops, then the second electric cylinder 27 is controlled to drive the drip irrigation belt 19 to ascend, the second crawler travelling mechanism 12 moves, the drip irrigation belt 19 is controlled to descend after moving to different positions, and the drip irrigation is carried out on the crops at different positions.

Still further, according to the growth condition of crops, spraying or fertilizing operation can be performed, corresponding medicines are added into the medicine adding box 4, the adding amount of the medicines or fertilizers is controlled according to the concentration requirement of the medicines or fertilizers, the adding amount of the medicines or fertilizers is controlled through a medicine adding valve, meanwhile, the stirring motor 22 is started, the stirring motor 22 drives the stirring shaft and the stirring blades 23 to rotate, water and the medicines or the water and the fertilizers in the stirring barrel 3 are uniformly stirred, the medicines or the fertilizers are dripped or sprayed on the crops along with the water, and the growth of the medicines or fertilizers is regulated and controlled.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A precision irrigation device, comprising:

the crawler belt comprises a first crawler belt travelling mechanism (1), wherein a bottom plate (2) is arranged at the top end of the first crawler belt travelling mechanism (1);

the dosing mechanism comprises a stirring barrel (3), a dosing box (4) and a first water pump (5), wherein the stirring barrel (3) and the dosing box (4) are fixedly connected to the top end of the bottom plate (2), the bottom end of the dosing box (4) is communicated with the stirring barrel (3) through a dosing pipe, a dosing valve is arranged on the dosing pipe, the first water pump (5) is communicated with a water suction pipe (6), the water outlet end of the first water pump (5) is communicated with the stirring barrel (3), and the stirring barrel (3) is provided with a stirring mechanism;

the winding mechanism comprises a supporting frame (7) and a winding shaft (8), wherein the supporting frame (7) is fixedly connected to the top end of the bottom plate (2), the winding shaft (8) is rotationally connected with the supporting frame (7), a winding motor (9) is installed on the supporting frame (7), the output end of the winding motor (9) is fixedly connected with the winding shaft (8), and a water supply pipe (10) is wound around the periphery of the winding shaft (8);

the water pumping end of the second water pump (11) is communicated with the bottom of the stirring barrel (3), and the water outlet end of the second water pump (11) is communicated with the water supply pipe (10);

the top end of the second crawler traveling mechanism (12) is connected with a rotating frame (13) through a rotating mechanism;

the dry-wet detection mechanism comprises a first electric cylinder (14) and a soil humidity sensor (15), wherein the rotating frame (13) is fixedly connected with a mounting frame (16), the first electric cylinder (14) is mounted on the mounting frame (16), the output end of the first electric cylinder (14) is fixedly connected with a lifting frame (17), and the soil humidity sensor (15) is mounted at the bottom end of the lifting frame (17);

the irrigation mode conversion mechanism comprises a fixed pipe (18), a drip irrigation mechanism and a spray irrigation mechanism, wherein the fixed pipe (18) is fixedly connected with the rotating frame (13), and the fixed pipe (18) is communicated with the water supply pipe (10);

the drip irrigation mechanism comprises a drip irrigation belt (19), the drip irrigation belt (19) is communicated with the fixed pipe (18) through a connecting pipe, a drip irrigation valve is arranged on the connecting pipe, and the rotating frame (13) is connected with a lifting mechanism for driving the drip irrigation belt (19) to lift;

the sprinkling irrigation mechanism comprises a sprinkling irrigation pipe (20), wherein the sprinkling irrigation pipe (20) is communicated with the fixed pipe (18), a sprinkling irrigation valve is arranged on the sprinkling irrigation pipe (20), the sprinkling irrigation pipe (20) is rotationally connected with an irrigation nozzle (21), the irrigation nozzle (21) is communicated with the sprinkling irrigation pipe (20) through a hose, and the sprinkling irrigation pipe (20) is connected with a driving mechanism for driving the irrigation nozzle (21) to rotate;

the rotating mechanism comprises a rotating motor (24), the rotating motor (24) is installed at the top end of the second crawler traveling mechanism (12) through a fixing frame, the rotating frame (13) is rotationally connected to the top end of the second crawler traveling mechanism (12) through a rotating shaft, the output end of the rotating motor (24) is fixedly connected with a driving gear (25), a driven gear (26) is fixedly sleeved on the periphery of the rotating shaft, and the driven gear (26) is meshed with the driving gear (25).

2. The precise irrigation device according to claim 1, wherein the stirring mechanism comprises a stirring motor (22), the stirring motor (22) is mounted at the top end of the stirring barrel (3), the output end of the stirring motor (22) stretches into the stirring barrel (3) and is fixedly connected with a stirring shaft, and the periphery of the stirring shaft is fixedly connected with a plurality of stirring blades (23).

3. The precise irrigation device according to claim 2, wherein the lifting mechanism comprises a second electric cylinder (27), the rotating frame (13) is fixedly connected with a support (28), the second electric cylinder (27) is installed on the support (28), the bottom output end of the second electric cylinder (27) is fixedly connected with a lifting plate (29), the lifting plate (29) is fixedly connected with a plurality of clamping rings (30) through a plurality of supporting rods, and the drip irrigation belt (19) is positioned in the plurality of clamping rings (30).

4. A precision irrigation device according to claim 3, wherein the driving mechanism comprises a driving motor (31), the driving motor (31) is fixedly mounted on the outer side wall of the irrigation pipe (20), the top end of the irrigation nozzle (21) is fixedly connected with a plurality of rotating plates (32), the irrigation pipe (20) is fixedly connected with a rotating seat (33), the rotating plates (32) are rotatably connected to the inside of the rotating seat (33) through rotating rods, and the output end of the driving motor (31) is fixedly connected with the rotating rods.

5. The precise irrigation device according to claim 4, wherein the base plate (2) is fixedly connected with a bearing frame (34), the bearing frame (34) is rotatably connected with an inclined plate (35) through a rotating shaft, the bearing frame (34) is fixedly provided with an adjusting motor (36), and an output end of the adjusting motor (36) is fixedly connected with the rotating shaft.

6. The precise irrigation device according to claim 5, wherein a placement frame (37) is fixedly connected to the top end of the bottom plate (2), a plurality of mounting pieces (38) are fixedly connected to the periphery of the dosing tank (4), the mounting pieces (38) are detachably connected with the placement frame (37) through bolts, and the bottom end height of the dosing tank (4) is greater than the top end height of the stirring barrel (3).

7. The precise irrigation device according to claim 6, wherein the top end of the stirring barrel (3) is detachably connected with a barrel cover (39), the top end of the dosing box (4) is in threaded connection with a box cover (40), and the box cover (40) is communicated with a dosing hopper.