Portable farmland irrigation device and use method

Abstract

The invention relates to the technical field of farmland irrigation, in particular to a portable farmland irrigation device and a using method.The portable farmland irrigation device comprises a supporting pipe, a fixing sleeve is fixedly arranged at the top end of the supporting pipe, a framework assembly used for adjusting the angle is fixedly arranged on the surface of the fixing sleeve, and a storage assembly used for arranging water pipes is fixedly arranged at the bottom of the supporting pipe; the bottom end of the supporting pipe is in threaded connection with a ground inserting assembly used for improving the supporting stability, the framework assembly comprises four connecting bases, the four connecting bases are arranged at equal intervals, and connecting blocks are rotationally connected into the connecting bases. The water spraying angle of the water spraying mechanism can be controlled according to the actual irrigation condition so that the good irrigation effect can be achieved, during storage operation, the connecting sleeve is pushed downwards, storage of the first connecting arm and the water spraying mechanism is achieved, and the moving portability is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of farmland irrigation, and in particular to a portable farmland irrigation device and a use method thereof. Background Art

[0002] Farmland irrigation devices are indispensable equipment in agricultural production. In the process of agricultural modernization, irrigation is a key link to ensure crop growth and increase yield. Its performance directly affects the growth and yield of crops. With the continuous advancement of agricultural technology, irrigation devices are also constantly innovating, aiming to improve irrigation efficiency, reduce water waste, and meet the irrigation needs of different crops and soil conditions. When irrigating small plots of farmland or farmland in remote areas, most of the existing irrigation equipment on the market is bulky, which is not only inconvenient to carry, but also occupies a large amount of storage space when not in use, causing many inconveniences to farmers. Therefore, a portable farmland irrigation device and a method of use are proposed to address the above problems. Summary of the invention

[0003] The object of the present invention is to provide a portable farmland irrigation device and a method of use, so as to solve the problem that the existing irrigation equipment mentioned in the above background technology is bulky, not only inconvenient to carry, but also occupies a large amount of storage space when not in use.

[0004] To achieve the above object, the present invention provides the following technical solutions: A portable farm irrigation device and a method of using the device, comprising a support tube, a fixing sleeve fixedly provided at the top of the support tube, a skeleton component for adjusting the angle fixedly provided on the surface of the fixing sleeve, a storage component for arranging water pipes fixedly provided at the bottom of the support tube, a ground plug component for improving the support stability being threadedly connected to the bottom end of the support tube, the skeleton component comprising four connecting seats, the four connecting seats being equidistantly arranged, a connecting block being rotatably connected inside the connecting seat, a first connecting arm being fixedly provided at one end of the connecting block, a second connecting arm being hingedly connected to the middle of the first connecting arm, and the A connecting sleeve is hinged at one end of the second connecting arm, and the inner wall of the connecting sleeve is slidably matched with the surface of the supporting tube. A limiting mechanism for limiting its movement is provided below the connecting sleeve. A water spraying mechanism is provided on one side of the upper surface of the first connecting arm, and a stabilizing component is slidably provided at the bottom end of the inner wall of the first connecting arm. Each water spraying mechanism includes a water spraying box, and two evenly spaced water spraying heads are fixedly provided on the upper surface of the water spraying box. Every two adjacent water spraying boxes are fixedly connected by a spiral hose, and a water injection elbow is fixedly provided at one end of one of the water spraying boxes, and a control valve is fixedly provided on one side of the surface of the water injection elbow.

[0005] As a further optimized content of the present invention, wherein: the storage assembly includes a storage roller, a water injection hose is wound inside the storage roller, one end of the water injection hose is rotatably connected to a water injection head, and the other end of the water injection hose is fixedly provided with a water connecting head.

[0006] As a further optimized content of the present invention, one side of the storage roller is provided with a square groove, and one side of the storage roller is provided with a limiting groove matching the water injection hose.

[0007] As a further optimization of the present invention, the ground plug assembly includes a screw rod, a connecting plate is fixedly provided in the middle of the screw rod, a surface of the connecting plate is provided with a plurality of evenly spaced anti-slip grooves, and a ground plug cone is fixedly provided at one end of the screw rod.

[0008] As further optimized content of the present invention, the limiting mechanism includes a limiting plate, a support block 1, two fixed plates, two return springs, a support block 2 and a limiting rod, the limiting plate is fixedly arranged at the bottom end of the connecting sleeve, the surface of the limiting plate is fixedly arranged with a support block 1, both sides of the surface of the support block 1 are fixedly arranged with fixed plates, the surface of the fixed plate is fixedly arranged with return springs, one end of the two return springs is fixedly arranged with a support block 2, the middle part of the support block 2 is fixedly arranged with a limiting rod that penetrates into the inside of the limiting plate, and the middle part of the limiting plate and the middle part of the support block 1 are both provided with positioning grooves that slide with the limiting rod.

[0009] As a further optimization of the present invention, a slot which is plugged into and matched with the limiting rod is opened on the top of the support tube, and a plurality of the slots are provided, and the plurality of slots are evenly spaced and arranged longitudinally.

[0010] As a further optimization of the present invention, the surface of the water injection elbow is provided with a threaded groove matching the water injection head, the water injection elbow is arranged in an "L" shape, and the angle between the water injection elbow and the water spray box is 90°.

[0011] As a further optimized content of the present invention, each of the stabilizing components includes an extension rod, a reinforcement block is fixedly provided at one end of the extension rod, a reinforcement rod is fixedly provided at one end of the reinforcement block, and a connection hole is opened on the surface of the reinforcement rod.

[0012] As a further optimization of the present invention, a handle is fixedly provided on the surface of the support block 2, a locking mechanism for limiting the movement of the extension rod is fixedly provided on the bottom of the first connecting arm, and the first connecting arm, the second connecting arm, the support tube, the connecting sleeve and the limit plate are all made of stainless steel.

[0013] As further optimized content of the present invention, S1: first, the connection sleeve is pushed to slide upward along the direction of the support tube by the limit plate. Under the action of the thrust, the connection sleeve drives the four hinged second connection arms to move upward, so that the first connection arm slowly rises and the angle changes. When the first connection arm moves, it drives the water spraying mechanism connected thereto to move synchronously, so that the water spraying angle of the water spraying mechanism changes. The user can control the water spraying angle of the water spraying mechanism according to the actual irrigation situation to achieve a better irrigation effect. S2: To fix the position of the connecting sleeve, the limit rod is pulled outward by the handle. When it moves to the corresponding slot, the handle is released. The tension generated by the fixing plate causes the limit rod to move inward, so that the limit rod is inserted into the corresponding slot, thereby completing the position fixation of the connecting sleeve; S3: When performing farmland irrigation operations, the water connection head is connected to the water outlet end of the external water pump, and the water injection head is threadedly connected to one end of the water injection elbow. Water flows into the water injection hose through the water connection head, and then flows into the water injection elbow and the water spray box through the water injection hose. Since every two adjacent water spray boxes are connected by a spiral hose, as the distance between adjacent water spray boxes increases, the spiral hose is extended under the action of tension, and water can be transported to each water spray box through the spiral hose, and the farmland is sprayed for irrigation through the water spray head on the surface of the water spray box; S4: In order to ensure the stability of the irrigation support, a ground plug cone is provided at one end of the ground plug assembly, and the ground plug cone is inserted into the soil to improve the stability of placement. The sliding extension rod is used to adjust the extendable length of the extension rod so that the reinforcement rod can be inserted into it, so as to achieve stable support for each first connecting arm. At the same time, it can also be connected to the external connection cable through the connection hole to fix the first connecting arm; S5: To facilitate storage and movement, after irrigation is completed, pull up the limit rod through the handle to disengage the limit rod from the corresponding slot, then push the connecting sleeve downward, and the second connecting arm pulls the first connecting arm downward to achieve the storage of the first connecting arm. As the distance between adjacent spray boxes decreases, the spiral hose shrinks, reducing the occupied space and making the movement more portable. The extension rod slides along the inner wall for storage and is locked and limited by the locking mechanism. The ground plug assembly stores one end of the ground plug cone in the inner wall of the bottom end of the support tube, which improves the safety of movement.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, by providing a connecting sleeve that can move up and down, when performing irrigation operations, the connecting sleeve drives the four hinged second connecting arms to move upward under the action of thrust, so that the first connecting arm slowly rises, thereby changing the water spraying angle of the water spraying mechanism. The four water spraying mechanisms can perform multi-directional and multi-angle water spraying irrigation operations, thereby improving the irrigation efficiency. The user can control the water spraying angle of the water spraying mechanism according to the actual irrigation situation to achieve a better irrigation effect. When performing the storage operation, the connecting sleeve is pushed downward to realize the storage of the first connecting arm and the water spraying mechanism, thereby improving the portability of the mobile device, and facilitating farmers to carry it to different farmlands for irrigation operations; 2. In the present invention, when irrigation operations are performed through the provision of a spiral hose, as the distance between adjacent spray boxes increases, the spiral hose is extended under the action of tension, water can be transported to each spray box through the spiral hose, and water is sprayed on the farmland for irrigation operations through the water spray heads on the surface of the spray boxes. When the storage operation is performed, as the distance between adjacent spray boxes decreases, the spiral hose is contracted, thereby reducing the occupied space.

[0015] 3. In the present invention, the ground plug assembly is provided, and the ground plug cone is inserted into the soil to improve the stability of placement. The sliding extension rod is used to adjust the extendable length of the extension rod so that the reinforcement rod can be inserted therein, thereby achieving stable support for each first connecting arm. At the same time, the first connecting arm can be connected to the external connecting cable through the connecting hole to fix the first connecting arm, reduce its left and right shaking, and ensure the stability of the irrigation operation; 4. In the present invention, the storage assembly and the storage roller are provided to facilitate storage and arrangement of the redundant water injection hoses. The square groove and the limit groove can be used to limit the two sides of the water injection hoses, which is convenient for arrangement. In order to avoid the cone from causing harm to the user during the movement, one end of the ground cone can be stored in the inner wall of the bottom end of the support tube, thereby improving the safety of movement; BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the expanded structure of the present invention; Figure 3 It is a schematic diagram of the storage structure of the present invention; Figure 4 is a schematic structural diagram of the first connecting arm of the present invention; Figure 5 It is a structural schematic diagram of the storage assembly of the present invention; Figure 6 It is a structural schematic diagram of the limiting mechanism of the present invention; Figure 7 It is a structural schematic diagram of the water spray box of the present invention; Figure 8 It is a structural schematic diagram of the ground plug assembly of the present invention.

[0017] In the figure: 1, support tube; 10, slot; 111, storage assembly; 1111, storage roller; 1112, water injection hose; 1113, water injection head; 1114, water connection head; 1115, square groove; 1116, limit groove; 112, ground plug assembly; 1121, screw rod; 1122, connecting plate; 1123, anti-slip groove; 1124, ground plug cone; 2, fixing sleeve; 3. Skeleton assembly; 31. Connecting seat; 32. Connecting block; 33. First connecting arm; 331. Stabilizing assembly; 3311. Extension rod; 3312. Reinforcement block; 3313. Reinforcement rod; 3314. Connecting hole; 34. Second connecting arm; 35. Water spray mechanism; 351. Water spray box; 3511. Spiral hose; 352. Water spray head; 353. Water injection elbow; 354. Control valve; 36. Connecting sleeve; 361, limit mechanism; 3611, limit plate; 3612, support block 1; 3613, fixed plate; 3614, return spring; 3615, support block 2; 3616, limit rod; 3617, handle. DETAILED DESCRIPTION

[0018] See also Figure 1-8 , the present invention provides a technical solution: A portable farm irrigation device and a method of using the device include a support tube 1, a fixing sleeve 2 is fixedly provided at the top of the support tube 1, a skeleton component 3 for adjusting the angle is fixedly provided on the surface of the fixing sleeve 2, a storage component 111 for arranging water pipes is fixedly provided at the bottom of the support tube 1, a ground plug component 112 for improving the support stability is threadedly connected to the bottom end of the support tube 1, the skeleton component 3 includes four connecting seats 31, the four connecting seats 31 are equidistantly arranged, a connecting block 32 is rotatably connected inside the connecting seat 31, a first connecting arm 33 is fixedly provided at one end of the connecting block 32, a second connecting arm 34 is hingedly connected to the middle of the first connecting arm 33, a connecting sleeve 36 is hingedly connected to one end of the second connecting arm 34, the inner wall of the connecting sleeve 36 is slidably matched with the surface of the support tube 1, and a limit mechanism for limiting its movement is provided below the connecting sleeve 36 The structure 361 is provided with a water spray mechanism 35 on one side of the upper surface of the first connecting arm 33, and a stabilizing component 331 is slidably provided at the bottom end of the inner wall of the first connecting arm 33. Each water spray mechanism 35 includes a water spray box 351, and two evenly spaced water spray heads 352 are fixedly provided on the upper surface of the water spray box 351. Every two adjacent water spray boxes 351 are fixedly connected by a spiral hose 3511. One end of one of the water spray boxes 351 is fixedly provided with a water injection elbow 353, and one side of the surface of the water injection elbow 353 is fixedly provided with a control valve 354. In this arrangement, when performing irrigation operations, as the distance between adjacent water spray boxes 351 increases, the spiral hose 3511 is extended under the action of tension, and water can be transported to each water spray box 351 through the spiral hose 3511, which is convenient for storage and reduces the occupied space. .

[0019] As a further technical solution for implementing the present solution, each stabilizing component 331 includes an extension rod 3311, one end of the extension rod 3311 is fixedly provided with a reinforcement block 3312, one end of the reinforcement block 3312 is fixedly provided with a reinforcement rod 3313, and a connection hole 3314 is opened on the surface of the reinforcement rod 3313; As a technical solution for further implementation of this scheme, the storage assembly 111 includes a storage roller 1111, a water injection hose 1112 is wound inside the storage roller 1111, one end of the water injection hose 1112 is rotatably connected to a water injection head 1113, and the other end of the water injection hose 1112 is fixedly provided with a water receiving head 1114, a square groove 1115 is provided on one side of the storage roller 1111, and a limiting groove 1116 matching the water injection hose 1112 is provided on one side of the storage roller 1111, so that it is convenient to store and organize the redundant water injection hose 1112, and the two sides of the water injection hose 1112 can be limited by the cooperation of the square groove 1115 and the limiting groove 1116, so that it is convenient to organize; As a further technical solution of this scheme, a threaded groove matching the water injection head 1113 is provided on the surface of the water injection elbow 353, and the water injection elbow 353 is arranged in an "L" shape, and the angle formed between the water injection elbow 353 and the water spray box 351 is 90°, so that the water injection elbow 353 is conveniently connected to the water injection head 1113, thereby improving the convenience of installation; As a technical solution for further implementing the present solution, the ground plug assembly 112 includes a screw rod 1121, a connection plate 1122 is fixedly provided in the middle of the screw rod 1121, a plurality of anti-skid grooves 1123 are provided on the surface of the connection plate 1122 at even intervals, and a ground plug cone 1124 is fixedly provided at one end of the screw rod 1121, and the ground plug cone 1124 is inserted into the soil to improve the stability of placement, and at the same time, one end of the ground plug cone 1124 can be stored in the inner wall of the bottom end of the support tube 1, thereby improving the safety of movement; As a technical solution for further implementation of the present invention, the limiting mechanism 361 includes a limiting plate 3611, a support block 1 3612, two fixed plates 3613, two return springs 3614, a support block 2 3615 and a limiting rod 3616. The limiting plate 3611 is fixedly arranged at the bottom end of the connecting sleeve 36. The surface of the limiting plate 3611 is fixedly provided with a support block 1 3612. Both sides of the surface of the support block 1 3612 are fixedly provided with fixed plates 3613. The surface of the fixed plate 3613 is fixedly provided with a return spring 3614. One end of the two return springs 3614 is fixedly provided with a support block 2 3615. The middle part of the support block 2 3615 is fixedly provided with a The limiting rod 3616 inside the limiting plate 3611, the middle of the limiting plate 3611 and the middle of the supporting block 1 3612 are provided with a positioning groove that is slidably matched with the limiting rod 3616, the top of the supporting tube 1 is provided with a slot 10 that is plugged and matched with the limiting rod 3616, and there are a plurality of slots 10, and the plurality of slots 10 are evenly spaced and arranged longitudinally, a handle 3617 is fixedly provided on the surface of the supporting block 2 3615, and a locking mechanism that limits the movement of the extension rod 3311 is fixedly provided on the bottom of the first connecting arm 33, and the first connecting arm 33, the second connecting arm 34, the supporting tube 1, the connecting sleeve 36 and the limiting plate 3611 are all made of stainless steel, so that it is not easy to rust; The method for using the portable farmland irrigation device of the present invention specifically includes the following steps: S1: First, the connection sleeve 36 is pushed to slide upward along the direction of the support tube 1 by the limit plate 3611. Under the action of the thrust, the connection sleeve 36 drives the four hinged second connection arms 34 to move upward, so that the first connection arm 33 slowly rises and the angle changes. When the first connection arm 33 moves, it drives the water spraying mechanism 35 connected thereto to move synchronously, so that the water spraying angle of the water spraying mechanism 35 changes. The user can control the water spraying angle of the water spraying mechanism 35 according to the actual irrigation situation to achieve a better irrigation effect; S2: To fix the position of the connecting sleeve 36, the limit rod 3616 is pulled outward by the handle 3617. When it moves to the corresponding slot 10, the handle 3617 is released, and the tension generated by the fixed plate 3613 causes the limit rod 3616 to move inward, so that the limit rod 3616 is inserted into the corresponding slot 10, thereby completing the position fixation of the connecting sleeve 36; S3: When performing farmland irrigation operations, the water connection head 1114 is connected to the water outlet end of the external water pump, and the water injection head 1113 is threadedly connected to one end of the water injection elbow 353. Water flows into the water injection hose 1112 through the water connection head 1114, and then flows into the water injection elbow 353 and the water spray box 351 through the water injection hose 1112. Since every two adjacent water spray boxes 351 are connected by a spiral hose 3511, as the distance between adjacent water spray boxes 351 increases, the spiral hose 3511 is extended under the action of tension, and water can be transported to each water spray box 351 through the spiral hose 3511, and the farmland is sprayed for irrigation through the water spray head 352 on the surface of the water spray box 351; S4: In order to ensure the stability of the irrigation support, a ground plug cone 1124 is provided at one end of the ground plug assembly 112, and the ground plug cone 1124 is inserted into the soil to improve the stability of placement. The sliding extension rod 3311 is used to adjust the extendable length of the extension rod 3311 so that the reinforcement rod 3313 can be inserted therein, thereby achieving stable support for each first connecting arm 33. At the same time, the first connecting arm 33 can be connected to the external connection cable through the connection hole 3314 to fix the first connecting arm 33 and reduce its left and right shaking; S5: In order to facilitate storage and movement, after irrigation is completed, the limit rod 3616 is pulled up by the handle 3617 to disengage the limit rod 3616 from the corresponding slot 10, and then the connecting sleeve 36 is pushed downward, and the second connecting arm 34 pulls the first connecting arm 33 downward to achieve the storage of the first connecting arm 33. As the distance between the adjacent water spray boxes 351 decreases, the spiral hose 3511 shrinks, reducing the occupied space and making the movement more portable. The storage roller 1111 is convenient for storing and arranging the excess water injection hose 1112. The square groove 1115 and the limit groove 1116 can be used to limit the two sides of the water injection hose 1112, which is more convenient to organize. The extension rod 3311 slides along the inner wall of the first connecting arm 33 for storage, and is locked and limited by the locking mechanism. The ground plug assembly 112 stores one end of the ground plug cone 1124 in the inner wall of the bottom end of the support tube 1, which improves the safety of movement.

[0020] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. The above is only a preferred implementation of the present invention. It should be pointed out that due to the limitations of textual expression and the objective existence of infinite specific structures, ordinary technicians in this technical field can make several improvements, modifications or changes without departing from the principles of the present invention, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the present invention.

Claims

1. A portable farm irrigation device, comprising a support pipe (1), Features: A fixing sleeve (2) is fixedly provided at the top of the support tube (1), a skeleton component (3) for adjusting the angle is fixedly provided on the surface of the fixing sleeve (2), a storage component (111) for arranging water pipes is fixedly provided at the bottom of the support tube (1), and a ground plug component (112) for improving support stability is threadedly connected to the bottom end of the support tube (1); The skeleton component (3) comprises four connecting seats (31), the four connecting seats (31) are arranged at equal intervals, a connecting block (32) is rotatably connected inside the connecting seat (31), a first connecting arm (33) is fixedly arranged at one end of the connecting block (32), a second connecting arm (34) is hingedly connected to the middle of the first connecting arm (33), a connecting sleeve (36) is hingedly connected to one end of the second connecting arm (34), an inner wall of the connecting sleeve (36) is slidably matched with the surface of the support tube (1), a limiting mechanism (361) for limiting the movement of the connecting sleeve (36) is provided below the connecting sleeve (36), a water spray mechanism (35) is provided on one side of the upper surface of the first connecting arm (33), and a stabilizing component (331) is slidably provided at the bottom end of the inner wall of the first connecting arm (33); Each of the water spraying mechanisms (35) comprises a water spraying box (351), two water spraying heads (352) spaced evenly apart are fixedly provided on the upper surface of the water spraying box (351), and every two adjacent water spraying boxes (351) are fixedly connected via a spiral hose (3511), a water injection elbow (353) is fixedly provided at one end of one of the water spraying boxes (351), and a control valve (354) is fixedly provided on one side of the surface of the water injection elbow (353).

2. A portable farmland irrigation device according to claim 1, Features: The storage assembly (111) comprises a storage roller (1111), a water injection hose (1112) is wound inside the storage roller (1111), one end of the water injection hose (1112) is rotatably connected to a water injection head (1113), and the other end of the water injection hose (1112) is fixedly provided with a water connection head (1114).

3. A portable farmland irrigation device according to claim 2, Features: A square groove (1115) is provided on one side of the storage roller (1111), and a limiting groove (1116) matching the water injection hose (1112) is provided on one side of the storage roller (1111).

4. A portable farmland irrigation device according to claim 1, Features: The ground plug assembly (112) comprises a screw rod (1121), a connection plate (1122) is fixedly provided at the middle of the screw rod (1121), a surface of the connection plate (1122) is provided with a plurality of evenly spaced anti-slip grooves (1123), and a ground plug cone (1124) is fixedly provided at one end of the screw rod (1121).

5. A portable farmland irrigation device according to claim 1, Features: The limiting mechanism (361) comprises a limiting plate (3611), a supporting block 1 (3612), two fixed plates (3613), two return springs (3614), a supporting block 2 (3615) and a limiting rod (3616); the limiting plate (3611) is fixedly arranged at the bottom end of the connecting sleeve (36); the supporting block 1 (3612) is fixedly arranged on the surface of the limiting plate (3611); and the fixed plates (3613) are fixedly arranged on both sides of the surface of the supporting block 1 (3612). 3613), a return spring (3614) is fixedly arranged on the surface of the fixed plate (3613), one end of the two return springs (3614) is fixedly arranged with a support block 2 (3615), the middle part of the support block 2 (3615) is fixedly arranged with a limit rod (3616) that penetrates into the inside of the limit plate (3611), and the middle part of the limit plate (3611) and the middle part of the support block 1 (3612) are both provided with a positioning groove that slidably cooperates with the limit rod (3616).

6. A portable farmland irrigation device according to claim 5, Features: The top of the support tube (1) is provided with a slot (10) for plugging and cooperating with the limiting rod (3616), and a plurality of the slots (10) are provided, and the plurality of slots (10) are evenly spaced and arranged longitudinally.

7. A portable farmland irrigation device according to claim 2, Features: The surface of the water injection elbow (353) is provided with a threaded groove that matches the water injection head (1113). The water injection elbow (353) is arranged in an "L" shape, and the angle formed between the water injection elbow (353) and the water spray box (351) is 90°.

8. A portable farm irrigation device according to claim 1, Features: Each of the stabilizing components (331) comprises an extension rod (3311), one end of the extension rod (3311) being fixedly provided with a reinforcement block (3312), one end of the reinforcement block (3312) being fixedly provided with a reinforcement rod (3313), and a connection hole (3314) being provided on the surface of the reinforcement rod (3313).

9. A portable farmland irrigation device according to claim 5, Features: A handle (3617) is fixedly provided on the surface of the second support block (3615), a locking mechanism for limiting the movement of the extension rod (3311) is fixedly provided on the bottom of the first connecting arm (33), and the first connecting arm (33), the second connecting arm (34), the support tube (1), the connecting sleeve (36) and the limiting plate (3611) are all made of stainless steel.

10. A method for using a portable farm irrigation device according to any one of claims 1 to 9, Features: The following steps are involved: S1: First, the connection sleeve (36) is pushed by the limit plate (3611) to slide upward along the direction of the support tube (1). Under the action of the thrust, the connection sleeve (36) drives the four hinged second connection arms (34) to move upward, so that the first connection arm (33) slowly rises and the angle changes. When the first connection arm (33) moves, it drives the water spraying mechanism (35) connected thereto to move synchronously, so that the water spraying angle of the water spraying mechanism (35) changes. The user can control the water spraying angle of the water spraying mechanism (35) according to the actual irrigation situation; S2: To fix the position of the connecting sleeve (36), the limiting rod (3616) is pulled outward by the handle (3617). When the limiting rod (3616) moves to the corresponding slot (10), the handle (3617) is released. The tension generated by the fixing plate (3613) causes the limiting rod (3616) to move inward, so that the limiting rod (3616) is inserted into the corresponding slot (10), thereby completing the fixing of the position of the connecting sleeve (36). S3: Connecting the water connection head (1114) to the water outlet of an external water pump, and threading the water injection head (1113) to one end of the water injection elbow (353), so that water flows into the water injection hose (1112) through the water connection head (1114), and then flows into the water injection elbow (353) and the water spray box (351) through the water injection hose (1112). Since every two adjacent water spray boxes (351) are connected by a spiral hose (3511), as the distance between adjacent water spray boxes (351) increases, the spiral hose (3511) is extended under the action of tension, and water can be transported to each water spray box (351) through the spiral hose (3511), and water spray irrigation is performed on the farmland through the water spray heads (352) on the surface of the water spray boxes (351); S4: To ensure the stability of the irrigation support, a ground plug cone (1124) is provided at one end of the ground plug assembly (112), the ground plug cone (1124) is inserted into the soil, and the sliding extension rod (3311) is used to adjust the extendable length of the extension rod (3311) so that the reinforcement rod (3313) can be inserted therein, thereby achieving stable support for each first connecting arm (33), and at the same time, the first connecting arm (33) can be connected to an external connection cable through the connection hole 3314 to fix the first connecting arm (33); S5: The limiting rod (3616) is pulled up by the handle (3617) to disengage the limiting rod (3616) from the corresponding slot (10), and then the connecting sleeve (36) is pushed downward, and the second connecting arm (34) pulls the first connecting arm (33) downward to achieve storage of the first connecting arm (33). As the distance between adjacent water spray boxes (351) decreases, the spiral hose (3511) contracts, and the extension rod (3311) slides along the inner wall of (33) to be stored, and is locked and limited by the locking mechanism. The ground plug assembly (112) stores one end of the ground plug cone (1124) in the inner wall of the bottom end of the support tube (1).

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