CN217905596U - Farmland water-saving irrigation equipment - Google Patents

Abstract

The utility model relates to the technical field of farmland irrigation, in particular to farmland water-saving irrigation equipment, which can adjust the irrigation angle of an irrigation device through an angle adjusting device according to the actual use condition, adjust the irrigation device to adjust the irrigation range, adjust the irrigation height through adjusting a water level adjusting device, improve the equipment functionality, conveniently adjust the irrigation angle, the irrigation water quantity and the like, reduce the equipment use limitation, improve the irrigation speed and reduce the waste of water resources; including base, storage water sump, notes material pipe and water pump, the base bottom is provided with a plurality of universal moving wheels, is provided with the pushing hands on the right side wall of base, and storage water sump fixed mounting is provided with the cavity in the storage water sump on the top of base, and notes material pipe fixed mounting is on the top of storage water sump, and inside the top that the output of notes material pipe passed storage water sump got into the cavity, water pump fixed mounting was provided with the pipe that absorbs water on the input of water pump on the top of storage water sump.

Description

Farmland water-saving irrigation equipment

Technical Field

The utility model relates to a technical field of field irrigation especially relates to a farmland water-saving irrigation equipment.

Background

The farmland water-saving irrigation equipment is an auxiliary device for farmland water-saving irrigation, and is widely used in the field of farmland irrigation; the existing farmland water-saving irrigation equipment comprises a base, a water storage bin, a material injection pipe and a water pump, wherein a plurality of universal moving wheels are arranged at the bottom end of the base, a push handle is arranged on the right side wall of the base, the water storage bin is fixedly arranged at the top end of the base, a cavity is arranged in the water storage bin, the material injection pipe is fixedly arranged at the top end of the water storage bin, the output end of the material injection pipe penetrates through the top end of the water storage bin to enter the cavity, the water pump is fixedly arranged at the top end of the water storage bin, a water suction pipe is arranged at the input end of the water pump, the other end of the water suction pipe penetrates through the top end of the water storage bin to enter the lower part in the cavity, a water delivery pipe is arranged at the output end of the water pump, and a spray head is arranged at the output end of the water delivery pipe; when the existing farmland water-saving irrigation equipment is used, water or water fertilizer is added into a water storage bin cavity through a material injection pipe, a water pump is turned on, water in the cavity is sucked out through a water suction pipe and sent into a water delivery pipe, the equipment is moved to a proper position through manually pushing a handle, and a farmland is irrigated through matching of the water delivery pipe and a spray head; present farmland water-saving irrigation equipment uses the discovery, and current equipment only can be single a pair of irrigate the farmland, and equipment functionality is single, is difficult to adjust the angle of irrigating and the irrigation water yield according to in-service use condition, uses the limitation too high, and irrigation speed is slow, leads to the water resource easily and can not make full use of cause the waste.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a according to the in-service use condition, can adjust irrigation device's irrigation angle through angle adjusting device, adjustment irrigation device can adjust the irrigation scope, highly adjust irrigation through adjustment water level regulating device, the equipment functionality has been improved, can be convenient adjust irrigation angle and irrigation water yield etc. reduced the equipment use limitation, improved irrigation speed, reduced a farmland water conservation irrigation equipment of the waste of water resource.

The utility model discloses a farmland water-saving irrigation equipment, including base, water storage bin, annotate material pipe and water pump, the base bottom is provided with a plurality of universal moving wheels, be provided with the pushing hands on the right side wall of base, water storage bin fixed mounting is on the top of base, be provided with the cavity in the water storage bin, annotate material pipe fixed mounting on the top of water storage bin, the output of annotating the material pipe passes the top of water storage bin and gets into inside the cavity, the water pump fixed mounting is on the top of water storage bin, be provided with the water absorption pipe on the input of water pump, the other end of water absorption pipe passes the top of water storage bin and gets into the lower part in the cavity, be provided with the raceway on the output of water pump, be provided with the shower nozzle on the output of raceway; the irrigation device is arranged on the water storage bin, the irrigation device is arranged on the first support and the second support, the output end of the water pipe is connected with the irrigation device, the angle adjusting device is arranged on the second support and connected with the irrigation device, the four water level adjusting devices are arranged on the irrigation device, the stirring device is arranged on the water storage bin, the irrigation device can adjust the irrigation range while irrigating the periphery of a farmland simultaneously, the angle adjusting device adjusts the irrigation angle of the irrigation device, the water level adjusting device adjusts the irrigation height of the irrigation device, and the stirring device mixes and stirs water and fertilizer; at first add water or fertilizer according to the in service behavior and add through the notes material pipe and deposit the sump cavity in, open agitating unit and stir water and fertilizer, open the water pump after the stirring is accomplished, send into irrigation equipment through the raceway with the fertilizer suction that stirs in the cavity through the pipe that absorbs water, remove equipment to suitable position through artifical promotion handle, irrigate simultaneously farmland all around through irrigation equipment, start angle adjusting device, adjust irrigation equipment's irrigation angle, according to the in-service use condition, adjustment irrigation equipment can adjust irrigation range, adjust irrigation height through adjustment water level adjusting device, the equipment functionality has been improved, can be convenient adjust irrigation angle and irrigation water yield etc., the equipment use limitation has been reduced, irrigation speed is improved, the waste of water resource has been reduced.

Preferably, the irrigation device comprises a water distribution box, four water distribution pipes, four rotary joints, four water supply pipes, a plurality of nozzles and an adjusting device, wherein the water distribution box is fixedly installed at the top end of a first support, the output end of a water delivery pipe penetrates through the bottom end of the first support and the bottom end of the water distribution box to enter the water distribution box, the four water distribution pipes are installed at the top end of the water distribution box, the input ends of the four water distribution pipes penetrate through the top end of the water distribution box to enter the water distribution box, the output ends of the four water distribution pipes are respectively connected with one ends of the four water supply pipes through the four rotary joints, the other ends of the four water supply pipes penetrate through the bottom end of a second support, the lower parts of the four water supply pipes are rotatably installed on the second support, the water supply pipes above the second support are provided with the plurality of nozzles, the adjusting device is installed on the water distribution box, and the four water level adjusting devices are respectively installed at the top ends of the four water supply pipes; continuously send into to the distributive box through the raceway with water or the liquid manure that mixes, water gets into four water supply pipes after getting into four distributive pipes, irrigate the farmland all around simultaneously through a plurality of nozzles on four water supply pipes, according to actual use condition adjustment adjusting device, control two water supply pipes and stop irrigating, reduce the waste of water resource, start angle adjusting device can drive four water supply pipe rotations and adjust the irrigation angle, adjust four water level adjusting device can adjust the irrigation height of four water supply pipes, the facility usage convenience has been improved, use limitation has been reduced, can irrigate all around the farmland simultaneously, irrigation speed has been improved.

Preferably, the angle adjusting device comprises four first gears, a support, a first motor and a second gear, the four first gears are respectively and fixedly sleeved on the upper parts of the four water supply pipes, the support is fixedly installed at the top end of the second support, the first motor is fixedly installed at the top end of the support, the second gear is arranged on the output end of the first motor, and the four first gears are all meshed with the second gear; open first motor, first motor drives second gear clockwise rotation, all with the second gear meshing through four first gears, it is rotatory to drive four first gear anticlockwise options, through four first gear anticlockwise rotations, and then drive four feed pipe anticlockwise rotations, rotate to suitable position after, control first motor reversal, first motor drives second gear anticlockwise rotation, all with the second gear meshing through four first gears, drive four first gear clockwise rotations, rotate to suitable position after, the corotation of the first motor of secondary control, repeat the above-mentioned operation, rotate and irrigate all around comprehensively through four feed pipe left and right sides, improve irrigation farmland quality and irrigation speed.

Preferably, the water level adjusting device comprises a support frame, a hydraulic cylinder, a sealing rod and a water baffle, the support frame is fixedly arranged at the top end of the first gear, one end of the hydraulic cylinder is fixedly arranged at the top end of the support frame, the moving end of the hydraulic cylinder penetrates through the top end of the support frame to be concentrically connected with the top end of the sealing rod, the other end of the sealing rod penetrates through the top end of the water supply pipe to enter the water supply pipe and is provided with the water baffle, and the outer wall of the water baffle is tightly attached to the inside of the water supply pipe; the control pneumatic cylinder extends, promotes the breakwater through the sealing rod and moves down, highly restricts the water level that gets into in the feed pipe, and the use quantity of control nozzle is adjusted the height of irrigation according to the in-service use condition, has improved the convenience of use, has reduced unnecessary water waste, has improved water conservation ability.

Preferably, the adjusting device comprises a second motor and a sealing plate, the second motor is fixedly installed at the top end of the water distribution box, and the output end of the second motor penetrates through the top end of the water distribution box to enter the water distribution box and is concentrically provided with the sealing plate; open the second motor, the second motor drives the shrouding rotatory, and the rotation angle of adjustment shrouding blocks through the input of two distributive pipes of angle of adjustment shrouding, can adjust the irrigation quantity of four feed pipes in the condition of practical use, is convenient for adjust the irrigation scope, has reduced the equipment use limitation, has improved the convenience in use, has improved water conservation ability.

Preferably, the stirring device comprises a third motor, a rotating shaft and a plurality of groups of stirring blades, the third motor is fixedly installed on the right side wall of the water storage bin, the output end of the third motor penetrates through the right side wall of the water storage bin to enter the cavity and is concentrically connected with one end of the rotating shaft, and the rotating shaft is provided with a plurality of groups of stirring blades; when need irrigate liquid manure, with water and fertilizer through annotating in the material pipe adds to depositing the sump pit cavity, open the third motor, it is rotatory that the third motor drives the pivot, and the pivot drives multiunit stirring vane rotation, stirs water and fertilizer through multiunit stirring vane rotation and mixes, reduces artifical working strength, improve equipment service function nature.

Preferably, the stirring blades are made of stainless steel; can improve stirring vane's wearability and corrosion resistance through above-mentioned setting, improve life, improve equipment stability in use.

Compared with the prior art, the beneficial effects of the utility model are that: at first add water or fertilizer according to the in service behavior through annotating during the material pipe adds the storehouse cavity of depositing, open agitating unit and stir water and fertilizer, open the water pump after the stirring is accomplished, send into irrigation equipment through the raceway with the fertilizer suction that stirs in the cavity through the pipe that absorbs water, remove equipment to suitable position through artifical promotion handle, irrigate simultaneously all around farmland through irrigation equipment, start angle adjusting device, adjust irrigation equipment's irrigation angle, according to the in-service use condition, adjustment irrigation equipment can adjust irrigation range, adjust irrigation height through adjustment water level adjusting device, the equipment functionality has been improved, can be convenient adjust irrigation angle and irrigation water yield etc., the equipment use limitation has been reduced, irrigation speed has been improved, the waste of water resource has been reduced.

Drawings

FIG. 1 is a front view of the cross-sectional structure of the present invention;

FIG. 2 is an enlarged schematic view of the irrigation device and the angle adjustment device;

FIG. 3 is a schematic view of the axial measurement structure of the present invention;

FIG. 4 is a front sectional view schematically illustrating the water level adjusting means and the water feed pipe;

FIG. 5 is a front sectional structural view of the regulating device and the distribution box;

in the drawings, the reference numbers: 1. a base; 2. a water storage bin; 3. a material injection pipe; 4. a water pump; 5. a first support; 6. a second support; 7. an irrigation device; 8. an angle adjusting device; 9. a water level adjusting device; 10. a stirring device; 11. a water distribution box; 12. a water diversion pipe; 13. a rotary joint; 14. a water supply pipe; 15. a nozzle; 16. an adjustment device; 17. a first gear; 18. a support; 19. a first motor; 20. a second gear; 21. a support frame; 22. a hydraulic cylinder; 23. a sealing rod; 24. a water baffle; 25. a second motor; 26. closing the plate; 27. a third motor; 28. a rotating shaft; 29. a stirring blade.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

The first support 5 is fixedly installed at the top end of the water storage bin 2 and located above the water pump 4, the second support 6 is installed at the top end of the water storage bin 2, the irrigation device 7 is installed on the first support 5 and the second support 6, the output end of the water delivery pipe is connected with the irrigation device 7, the angle adjusting device 8 is installed on the second support 6 and connected with the irrigation device 7, the four water level adjusting devices 9 are installed on the irrigation device 7, and the stirring device 10 is installed on the water storage bin 2;

the irrigation device 7 can simultaneously irrigate the periphery of a farmland and simultaneously adjust the irrigation range, the angle adjusting device 8 adjusts the irrigation angle of the irrigation device 7, the water level adjusting device 9 adjusts the irrigation height of the irrigation device 7, and the stirring device 10 mixes and stirs water and fertilizer;

the irrigation device 7 comprises a water distribution box 11, four water distribution pipes 12, four rotary joints 13, four water supply pipes 14, a plurality of nozzles 15 and an adjusting device 16, wherein the water distribution box 11 is fixedly installed at the top end of a first support 5, the output end of a water pipe penetrates through the bottom end of the first support 5 and the bottom end of the water distribution box 11 to enter the water distribution box 11, the four water distribution pipes 12 are installed at the top end of the water distribution box 11, the input ends of the four water distribution pipes 12 penetrate through the top end of the water distribution box 11 to enter the water distribution box 11, the output ends of the four water distribution pipes 12 are respectively connected with one ends of the four water supply pipes 14 through the four rotary joints 13, the other ends of the four water supply pipes 14 penetrate through the bottom end of a second support 6, the lower parts of the four water supply pipes 14 are rotatably installed on the second support 6, the plurality of nozzles 15 are arranged on the water supply pipes 14 above the second support 6, the adjusting device 16 is installed on the water distribution box 11, and the four water level adjusting devices 9 are respectively installed at the top ends of the four water supply pipes 14;

the angle adjusting device 8 comprises four first gears 17, a support 18, a first motor 19 and a second gear 20, the four first gears 17 are respectively fixedly sleeved on the upper parts of the four water supply pipes 14, the support 18 is fixedly arranged at the top end of the second support 6, the first motor 19 is fixedly arranged at the top end of the support 18, the second gear 20 is arranged at the output end of the first motor 19, and the four first gears 17 are all meshed with the second gear 20;

firstly, adding water or fertilizer into a cavity of a water storage bin 2 through a material injection pipe 3 according to the using condition, opening a stirring device 10 to stir the water and the fertilizer, opening a water pump 4 after stirring, sucking the stirred fertilizer in the cavity through a water suction pipe and continuously sending the fertilizer into a water distribution box 11 through a water delivery pipe, moving the equipment to a proper position through manually pushing a handle, enabling the water in the water distribution box 11 to enter four water distribution pipes 12 and then enter four water supply pipes 14, simultaneously irrigating the periphery of a farmland through a plurality of nozzles 15 on the four water supply pipes 14, opening a first motor 19, driving a second gear 20 to rotate clockwise through the first gears 17, meshing the first gears 17 with the second gear 20, driving the first gears 17 to rotate anticlockwise, through four first gears 17 anticlockwise rotations, and then drive four feed pipes 14 anticlockwise rotations, after rotating to suitable position, control first motor 19 reversal, first motor 19 drives second gear 20 anticlockwise rotations, all mesh with second gear 20 through four first gears 17, drive four first gears 17 clockwise rotations, after rotating to suitable position, 19 corotation of first motor of secondary control, repeat the above-mentioned operation, irrigate the farmland all around comprehensively through four 14 left and right sides rotations of feed pipes, adjust irrigation height through adjustment water level regulating device 9, the equipment functionality has been improved, can be convenient adjust irrigation angle and irrigation water yield etc., the equipment use limitation has been reduced, irrigation speed has been improved, the waste of water resource has been reduced.

Example 2

The device comprises a water storage bin 2, a first support 5, a second support 6, an irrigation device 7, an angle adjusting device 8, four water level adjusting devices 9, a stirring device 10, a water pump 4, a water storage bin 2 and a water outlet pipe, wherein the first support 5 is fixedly arranged at the top end of the water storage bin 2 and is positioned above the water pump 4;

the irrigation device 7 can adjust the irrigation range while simultaneously irrigating the periphery of a farmland, the angle adjusting device 8 adjusts the irrigation angle of the irrigation device 7, the water level adjusting device 9 adjusts the irrigation height of the irrigation device 7, and the stirring device 10 mixes and stirs water and fertilizer;

the irrigation device 7 comprises a water distribution box 11, four water distribution pipes 12, four rotary joints 13, four water supply pipes 14, a plurality of nozzles 15 and an adjusting device 16, wherein the water distribution box 11 is fixedly installed at the top end of a first support 5, the output end of a water pipe penetrates through the bottom end of the first support 5 and the bottom end of the water distribution box 11 to enter the water distribution box 11, the four water distribution pipes 12 are installed at the top end of the water distribution box 11, the input ends of the four water distribution pipes 12 penetrate through the top end of the water distribution box 11 to enter the water distribution box 11, the output ends of the four water distribution pipes 12 are respectively connected with one ends of the four water supply pipes 14 through the four rotary joints 13, the other ends of the four water supply pipes 14 penetrate through the bottom end of a second support 6, the lower parts of the four water supply pipes 14 are rotatably installed on the second support 6, the plurality of nozzles 15 are arranged on the water supply pipes 14 above the second support 6, the adjusting device 16 is installed on the water distribution box 11, and the four water level adjusting devices 9 are respectively installed at the top ends of the four water supply pipes 14;

the adjusting device 16 comprises a second motor 25 and a sealing plate 26, the second motor 25 is fixedly installed at the top end of the water diversion box 11, the output end of the second motor 25 penetrates through the top end of the water diversion box 11 to enter the water diversion box 11, and the sealing plate 26 is concentrically arranged;

the water level adjusting device 9 comprises a support frame 21, a hydraulic cylinder 22, a sealing rod 23 and a water baffle 24, the support frame 21 is fixedly installed at the top end of the first gear 17, one end of the hydraulic cylinder 22 is fixedly installed at the top end of the support frame 21, the moving end of the hydraulic cylinder 22 penetrates through the top end of the support frame 21 and is concentrically connected with the top end of the sealing rod 23, the other end of the sealing rod 23 penetrates through the top end of the water supply pipe 14 to enter the water supply pipe 14 and is provided with the water baffle 24, and the outer wall of the water baffle 24 is tightly attached to the inside of the water supply pipe 14;

firstly adding water or fertilizer into a cavity of a water storage bin 2 through a material injection pipe 3 according to the using condition, opening a stirring device 10 to stir the water and the fertilizer, opening a water pump 4 after stirring, sucking the stirred fertilizer in the cavity through a water suction pipe, sending the fertilizer into a water distribution box 11 continuously through a water pipe, moving the equipment to a proper position through manually pushing a handle, enabling the water in the water distribution box 11 to enter four water distribution pipes 12 and then enter four water supply pipes 14, simultaneously irrigating the periphery of a farmland through a plurality of nozzles 15 on the four water supply pipes 14, starting an angle adjusting device 8, adjusting the irrigation angle of an irrigation device 7, opening a second motor 25 according to the actual using condition, driving a sealing plate 26 to rotate by the second motor 25, adjustment shrouding 26's rotation angle, the input of two distributive pipes 12 of angle through adjustment shrouding 26 blocks, can adjust the irrigation quantity of four feed pipes 14 in the according to the in-service use condition, be convenient for adjust the irrigation scope, control hydraulic cylinder 22 extends, promote 24 downstream of breakwater through sealing rod 23, highly restrict the water level that gets into in the feed pipe 14, control nozzle 15's use quantity, highly adjust the farmland irrigation according to the in-service use condition, the equipment functionality has been improved, can be convenient adjust irrigation angle and irrigation water yield etc., the equipment use limitation has been reduced, irrigation speed has been improved, the waste of water resource has been reduced.

As shown in fig. 1 to 5, the utility model relates to a farmland water-saving irrigation device, which is operated by adding water or fertilizer into the cavity of the water storage bin 2 through the material injection pipe 3 according to the using condition, when water and fertilizer are needed to be irrigated, the water and fertilizer are added into the cavity of the water storage bin 2 through the material injection pipe 3, the third motor 27 is turned on, the third motor 27 drives the rotating shaft 28 to rotate, the rotating shaft 28 drives the multiple groups of stirring blades 29 to rotate, the water and the fertilizer are stirred and mixed through the rotation of the multiple groups of stirring blades 29, the water pump 4 is turned on after the stirring is completed, the fertilizer stirred in the cavity is sucked out through the water suction pipe, the water or the mixed water and fertilizer is continuously sent into the water diversion box 11 through the water pipe, the water enters the four water diversion pipes 12 and then enters the four water supply pipes 14, the farmland is simultaneously irrigated through the multiple nozzles 15 on the four water supply pipes 14, the first motor 19 is turned on, the first motor 19 drives the second gear 20 to rotate clockwise, the four first gears 17 are meshed with the second gear 20 to drive the four first gears 17 to rotate anticlockwise, the four first gears 17 are meshed with the second gear 17 to drive the four water supply pipes 14 to rotate anticlockwise, the first motor 19 is controlled to rotate reversely after rotating to a proper position, the first motor 19 drives the second gear 20 to rotate anticlockwise, the four first gears 17 are meshed with the second gear 20 to drive the four first gears 17 to rotate clockwise, the first motor 19 is controlled to rotate forwards again after rotating to a proper position, the operations are repeated, the four water supply pipes 14 rotate left and right to irrigate the periphery of a farmland comprehensively, according to the actual use condition, the hydraulic cylinder 22 is controlled to extend, the sealing rod 23 pushes the water baffle plate 24 to move downwards to limit the height of a water level entering the water supply pipes 14, control nozzle 15's use quantity adjusts the height of field irrigation according to the in-service use condition, opens second motor 25, and second motor 25 drives the shrouding 26 rotatory, and the rotation angle of adjustment shrouding 26 blocks through the input of two distributive pipes 12 of angle of adjustment shrouding 26, can adjust the irrigation quantity to four feed pipes 14 in the in-service use condition.

The utility model discloses the main function who realizes does: can be according to the in-service use condition, adjust irrigation device 7's irrigation angle through angle adjusting device 8, can adjust the irrigation scope through adjustment irrigation device 7, highly adjust irrigation through adjustment water level regulating device 9, improved equipment functionality, can be convenient adjust irrigation angle and irrigation water yield etc. has reduced the equipment use limitation, has improved irrigation speed, has reduced the waste of water resource.

The utility model discloses a farmland water-saving irrigation device, the installation mode, the connection mode or the setting mode of which are common mechanical modes, and the device can be implemented as long as the beneficial effects can be achieved; the utility model discloses a water pump 4, rotary joint 13, nozzle 15, first gear 17, first motor 19, second gear 20, pneumatic cylinder 22, second motor 25, third motor 27 and stirring vane 29 of farmland water-saving irrigation equipment are purchase on the market, and this industry technical staff only need according to its subsidiary instructions install and operate can, and need not the technical staff in this field and pay out creative work.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (7)

1. A farmland water-saving irrigation device comprises a base (1), a water storage bin (2), a water injection pipe (3) and a water pump (4), wherein a plurality of universal moving wheels are arranged at the bottom end of the base (1), a pushing handle is arranged on the right side wall of the base (1), the water storage bin (2) is fixedly installed at the top end of the base (1), a cavity is arranged in the water storage bin (2), the water injection pipe (3) is fixedly installed at the top end of the water storage bin (2), the output end of the water injection pipe (3) penetrates through the top end of the water storage bin (2) to enter the cavity, the water pump (4) is fixedly installed at the top end of the water storage bin (2), a water suction pipe is arranged at the input end of the water pump (4), the other end of the water suction pipe penetrates through the top end of the water storage bin (2) to enter the lower part in the cavity, a water delivery pipe is arranged at the output end of the water pump (4), and a spray head is arranged at the output end of the water delivery pipe; the irrigation device is characterized by further comprising a first support (5), a second support (6), an irrigation device (7), an angle adjusting device (8), four water level adjusting devices (9) and an agitating device (10), wherein the first support (5) is fixedly installed on the top of the water storage bin (2) and located above the water pump (4), the second support (6) is installed on the top of the water storage bin (2), the irrigation device (7) is installed on the first support (5) and the second support (6), the output end of the water conveying pipe is connected with the irrigation device (7), the angle adjusting device (8) is installed on the second support (6) and connected with the irrigation device (7), the four water level adjusting devices (9) are installed on the irrigation device (7), the agitating device (10) is installed on the water storage bin (2), the irrigation device (7) can adjust the irrigation range while irrigating simultaneously around the farmland, the angle of the angle adjusting device (8) is adjusted, the water level adjusting device (9) adjusts the height of the irrigation device (7), and the agitating device (10) mixes fertilizers with water.

2. A farmland water-saving irrigation device as claimed in claim 1, characterized in that the irrigation device (7) comprises a water diversion box (11), four water diversion pipes (12), four rotary joints (13), four water supply pipes (14), a plurality of nozzles (15) and an adjusting device (16), the water diversion box (11) is fixedly mounted at the top end of the first support (5), the output end of the water pipe passes through the bottom end of the first support (5) and the bottom end of the water diversion box (11) to enter the water diversion box (11), the four water diversion pipes (12) are mounted at the top end of the water diversion box (11), the input ends of the four water diversion pipes (12) pass through the top end of the water diversion box (11) to enter the water diversion box (11), the output ends of the four water diversion pipes (12) are respectively connected with one ends of the four water supply pipes (14) through the four rotary joints (13), the other ends of the four water supply pipes (14) pass through the bottom end of the second support (6), the lower parts of the four water supply pipes (14) are rotatably mounted on the second support (6), the water supply pipes (14) above the water level adjusting device (14) are respectively provided with the four nozzles (15), and the adjusting device (16) is mounted at the top end of the water diversion box (11).

3. A farmland water-saving irrigation device as claimed in claim 2, characterized in that the angle adjusting device (8) comprises four first gears (17), a bracket (18), a first motor (19) and a second gear (20), wherein the four first gears (17) are respectively fixedly sleeved on the upper parts of the four water supply pipes (14), the bracket (18) is fixedly installed on the top end of the second support (6), the first motor (19) is fixedly installed on the top end of the bracket (18), the output end of the first motor (19) is provided with the second gear (20), and the four first gears (17) are all meshed with the second gear (20).

4. A farmland water-saving irrigation device as claimed in claim 3, wherein the water level adjusting device (9) comprises a support frame (21), a hydraulic cylinder (22), a sealing rod (23) and a water baffle (24), the support frame (21) is fixedly mounted at the top end of the first gear (17), one end of the hydraulic cylinder (22) is fixedly mounted at the top end of the support frame (21), the moving end of the hydraulic cylinder (22) penetrates through the top end of the support frame (21) to be concentrically connected with the top end of the sealing rod (23), the other end of the sealing rod (23) penetrates through the top end of the water supply pipe (14) to enter the water supply pipe (14) and is provided with the water baffle (24), and the outer wall of the water baffle (24) is tightly attached to the inside of the water supply pipe (14).

5. A farmland water-saving irrigation device as claimed in claim 2, wherein the adjusting device (16) comprises a second motor (25) and a sealing plate (26), the second motor (25) is fixedly installed at the top end of the water distribution box (11), and the output end of the second motor (25) penetrates through the top end of the water distribution box (11) to enter the water distribution box (11) and is concentrically provided with the sealing plate (26).

6. A farmland water-saving irrigation device as claimed in claim 1, wherein the stirring device (10) comprises a third motor (27), a rotating shaft (28) and a plurality of groups of stirring blades (29), the third motor (27) is fixedly installed on the right side wall of the water storage bin (2), the output end of the third motor (27) penetrates through the right side wall of the water storage bin (2) to enter the chamber and is concentrically connected with one end of the rotating shaft (28), and the rotating shaft (28) is provided with a plurality of groups of stirring blades (29).

7. A farmland water-saving irrigation device as claimed in claim 6, wherein the stirring vanes (29) are made of stainless steel.

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