Water-saving irrigation device for sweet potato cultivation and cultivation method

Abstract

The invention belongs to the technical field of agriculture, and discloses a sweet potato cultivation water-saving irrigation device which comprises a water-saving irrigation bin assembly, a cultivation bin assembly is arranged on the water-saving irrigation bin assembly in a swinging mode, the cultivation bin assembly is arranged on the water-saving irrigation bin assembly in a swinging mode, and through inclined swinging of the cultivation bin assembly on the water-saving irrigation bin assembly, the water-saving irrigation bin assembly can be used for irrigation of sweet potatoes. According to the water-saving irrigation device for the sweet potatoes, the cultivation bin assemblies vertically swing on the water-saving irrigation bin assembly, so that the cultivation bin assemblies form a drip irrigation structure which is longitudinally arranged in a stacked mode on the water-saving irrigation bin assembly, and through the structure, during irrigation, the water-saving irrigation bin assembly is not prone to falling off during irrigation, and therefore the water-saving irrigation device for the sweet potatoes is convenient to use. Water dripping from the upper cultivation long bin can drip into the lower cultivation long bin, water in the lowermost cultivation long bin drips into the irrigation bin and is filtered through the filter plate, and the filtered water is re-pumped and utilized through the water suction pump.

Description

Technical Field

[0001] This invention belongs to the field of agricultural technology, specifically relating to a water-saving irrigation device and cultivation method for sweet potato cultivation. Background Technology

[0002] Sweet potatoes are an important food and cash crop, widely cultivated in my country. Traditional sweet potato cultivation methods mostly involve open field planting or simple cultivation troughs, with irrigation primarily consisting of flood irrigation and furrow irrigation. This results in serious water waste, low irrigation efficiency, and uneven soil moisture. Especially in arid and water-scarce areas, traditional irrigation methods not only increase agricultural production costs but also limit the development of large-scale and intensive sweet potato cultivation.

[0003] Currently, some water-saving irrigation technologies, such as drip irrigation and sprinkler irrigation, have been applied to sweet potato cultivation. However, these technologies mostly focus on improving the irrigation system itself and fail to fully consider the spatial layout characteristics of sweet potato cultivation. This makes it difficult to achieve efficient irrigation for three-dimensional and multi-layered cultivation under limited land resources. At the same time, existing multi-layered cultivation devices often have fixed structures and cannot flexibly adjust their layout according to different stages of cultivation and irrigation. The water resource recovery and utilization rate during irrigation is low, making it difficult to achieve true water recycling.

[0004] In addition, existing sweet potato cultivation devices are also inadequate in terms of support stability, especially in inclined unfolding cultivation structures, where there is a lack of effective auxiliary support mechanisms, which affects cultivation safety and long-term reliability.

[0005] Therefore, there is an urgent need for a sweet potato cultivation device and supporting cultivation methods that can take into account three-dimensional cultivation, water-saving irrigation, water resource recycling, and have an adjustable structure and stable support, so as to improve the resource utilization efficiency and production benefits of sweet potato planting. Summary of the Invention

[0006] To address the problems mentioned in the background section, this invention provides a water-saving irrigation device and cultivation method for sweet potato cultivation, featuring three-dimensional cultivation.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a water-saving irrigation device for sweet potato cultivation, comprising a water-saving irrigation chamber assembly, on which a cultivation chamber assembly is oscillatingly mounted. Through the tilting and oscillation of the cultivation chamber assembly on the water-saving irrigation chamber assembly, a staggered sweet potato cultivation chamber structure is formed on one side of the water-saving irrigation chamber assembly. Through the vertical oscillation of the cultivation chamber assembly on the water-saving irrigation chamber assembly, a longitudinally stacked drip irrigation structure is formed on the water-saving irrigation chamber assembly. An irrigation spray assembly is provided at one end of the water-saving irrigation chamber assembly, which performs reciprocating spray irrigation on the cultivation chamber assembly. Auxiliary support arm assemblies are rotatably mounted on both sides of the cultivation chamber assembly, providing auxiliary support for the tilting and oscillating cultivation chamber assembly.

[0008] In a preferred embodiment of a water-saving irrigation device and cultivation method for sweet potato cultivation, the water-saving irrigation chamber assembly includes an irrigation chamber. An L-shaped frame arm and a support side platform are fixedly installed on one side of the irrigation chamber. A hydraulic cylinder is rotatably installed on the side of the support side platform away from the irrigation chamber. A filter plate is fixedly installed inside the irrigation chamber, and a water pump is fixedly installed at the bottom of the outer side of the irrigation chamber. A drive motor and an L-shaped side arm are fixedly installed at the top of the L-shaped frame arm. A sliding groove seat is fixedly installed at the end of the L-shaped side arm away from the L-shaped frame arm. A drive wheel is installed on the output shaft of the drive motor, and a wheel rod is fixedly installed on the drive wheel.

[0009] In a preferred embodiment of a water-saving irrigation device and cultivation method for sweet potato cultivation, the cultivation chamber assembly includes multiple long cultivation chambers, and a first support arm and a second support arm are rotatably arranged on both sides of the multiple long cultivation chambers.

[0010] In a preferred embodiment of a water-saving irrigation device and cultivation method for sweet potato cultivation, the irrigation spraying assembly includes a main spraying pipe, a plurality of spraying branch pipes are fixedly installed on the main spraying pipe, a plurality of spray nozzles are fixedly installed at an angle on the spraying branch pipes, a toggle arm is fixedly installed on the back of the main spraying pipe through a connecting block, a sliding square rod is fixedly installed on both sides of the toggle arm, and a toggle groove is opened on the toggle arm.

[0011] In a preferred embodiment of a water-saving irrigation device and cultivation method for sweet potato cultivation, the auxiliary support arm assembly includes an auxiliary support outer arm and an auxiliary support inner arm. An outer arm shaft is fixedly installed at the top of the auxiliary support outer arm, outer arm side grooves are opened on both sides of the auxiliary support outer arm, and an outer arm ring is fixedly installed around the outer arm. An inner arm protrusion is fixedly installed at the top of the auxiliary support inner arm, and an inner arm ring platform is fixedly installed in the middle of the auxiliary support inner arm. An anti-spring is sleeved around the outer arm.

[0012] In a preferred embodiment of a water-saving irrigation device and cultivation method for sweet potato cultivation, the auxiliary support outer arm has a groove inside that matches the auxiliary support inner arm. The auxiliary support inner arm slides inside the auxiliary support outer arm. At this time, the inner arm protrusion slides in the side groove of the outer arm. The top of the abutting spring abuts against the outer arm ring, and the bottom of the abutting spring abuts against the inner arm ring platform. Through the pushing of the abutting spring, the auxiliary support inner arm is in an outward structure on the auxiliary support outer arm. The outer arm shaft is rotatably mounted on the second support arm through a bearing.

[0013] In a preferred embodiment of a water-saving irrigation device and cultivation method for sweet potato cultivation, the irrigation spray assembly is disposed inside the drive wheel. At this time, the sliding square rod slides in the sliding groove seat, and the wheel rod is inserted in the actuation groove. The drive wheel drives the wheel rod to rotate, and the wheel rod drives the sliding square rod to slide back and forth in the sliding groove seat through the actuation groove on the actuation arm. The bottom of the main spray pipe is connected to the water pump through a pipe.

[0014] In a preferred embodiment of a water-saving irrigation device and cultivation method for sweet potato cultivation, the bottom arms of the first support arm and the bottom arms of the second support arm are respectively rotatably mounted on both sides of the irrigation chamber, and the top of the hydraulic cylinder is rotatably connected to the first support arm.

[0015] In a preferred embodiment of a water-saving irrigation device and cultivation method for sweet potato cultivation, the cultivation chamber is filled with cultivation soil. Through the synchronous swinging of the first support arm and the second support arm, multiple cultivation chambers form an adjustable cultivation chamber structure between the first support arm and the second support arm.

[0016] A method for cultivating sweet potatoes includes the following steps: S1: The extension of the hydraulic cylinder drives the first support arm to tilt and swing on one side of the irrigation chamber. At this time, through the cooperation of the first support arm and the second support arm, the multiple long cultivation chambers on the cultivation chamber assembly are staggered between the first support arm and the second support arm to form a cultivation chamber structure. Cultivation soil is filled into the long cultivation chambers, and sweet potato seedlings are cultivated into the multiple long cultivation chambers.

[0017] S2: During water-saving irrigation, the retraction of the hydraulic cylinder drives the first support arm to retract and swing on one side of the irrigation chamber. At this time, through the cooperation of the first and second support arms, the multiple cultivation chambers on the cultivation chamber assembly are arranged in a longitudinally stacked irrigation chamber structure between the first and second support arms. At this time, the irrigation spray assembly sprays water onto the multi-layer cultivation chambers.

[0018] S3: The drive motor drives the drive wheel to rotate. The drive wheel drives the sliding square rod to move back and forth in the sliding groove seat through the wheel rod and the actuating groove. At this time, the main spray pipe drives multiple spray branch pipes to spray and irrigate the cultivation bin components.

[0019] Compared with the prior art, the beneficial effects of the present invention are: 1. The present invention has a cultivation bin component that is oscillating on the water-saving irrigation bin component. By tilting and oscillating the cultivation bin component on the water-saving irrigation bin component, the cultivation bin component forms a staggered sweet potato cultivation bin structure on one side of the water-saving irrigation bin component. This structure ensures that multiple cultivation bins do not obstruct each other, and at the same time, it effectively utilizes the cultivation space in terms of height.

[0020] 2. This invention achieves a vertical swing of the cultivation bin assembly on the water-saving irrigation bin assembly, resulting in a longitudinally stacked drip irrigation structure. This structure allows water dripping from the upper cultivation bin to fall into the lower cultivation bin during irrigation, and water from the bottommost cultivation bin to fall into the irrigation bin, where it is filtered by a filter plate. The filtered water is then pumped back for reuse.

[0021] 3. The cultivation bin assembly of the present invention is provided with auxiliary support arm assemblies on both sides, which provide auxiliary cultivation support for the tilted and swinging cultivation bin assembly. Attached Figure Description

[0022] Figure 1 This is a perspective view of the present invention; Figure 2 This is an exploded view of the present invention; Figure 3 This is a perspective view of the water-saving irrigation chamber assembly of the present invention; Figure 4 This is a perspective view of the cultivation bin component of the present invention; Figure 5 This is a perspective view of the irrigation sprinkler assembly of the present invention; Figure 6 This is an exploded view of the auxiliary support arm assembly of the present invention.

[0023] In the diagram: 100, Water-saving irrigation bin assembly; 101, Irrigation bin; 102, Filter plate; 103, Water pump; 104, L-shaped support arm; 105, Support side platform; 106, Sliding slot seat; 107, Drive motor; 108, L-shaped side arm; 109, Drive wheel; 110, Wheel rod; 111, Hydraulic cylinder; 200, Cultivation bin assembly; 201, Long cultivation bin; 202, First support arm; 203, Second support arm; 300, Irrigation Spray assembly; 301, main spray pipe; 302, spray nozzle; 303, spray branch pipe; 304, actuating groove; 305, actuating arm; 306, sliding square rod; 307, connecting block; 400, auxiliary support arm assembly; 401, auxiliary support outer arm; 402, outer arm shaft; 403, outer arm ring; 404, outer arm side groove; 405, contact spring; 406, inner arm protrusion; 407, auxiliary support inner arm; 408, inner arm ring platform. Detailed Implementation

[0024] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0025] Please see Figures 1-6 As shown, the present invention provides a water-saving irrigation device for sweet potato cultivation, including a water-saving irrigation chamber assembly 100, on which a cultivation chamber assembly 200 is oscillatingly mounted. The oscillating of the cultivation chamber assembly 200 on the water-saving irrigation chamber assembly 100 creates a staggered, unfolded sweet potato cultivation chamber structure on one side of the water-saving irrigation chamber assembly 100. The vertical oscillation of the cultivation chamber assembly 200 on the water-saving irrigation chamber assembly 100 creates a longitudinally stacked drip irrigation structure on the water-saving irrigation chamber assembly 100. An irrigation spray assembly 300 is provided at one end of the water-saving irrigation chamber assembly 100, providing reciprocating spray irrigation to the cultivation chamber assembly 200. Auxiliary support arm assemblies 400 are rotatably mounted on both sides of the cultivation chamber assembly 200, providing auxiliary support for the oscillating cultivation chamber assembly 200.

[0026] In a preferred embodiment, please refer to Figure 3 The water-saving irrigation chamber assembly 100 includes an irrigation chamber 101. An L-shaped frame arm 104 and a support side platform 105 are fixedly installed on one side of the irrigation chamber 101. A hydraulic cylinder 111 is rotatably installed on the side of the support side platform 105 away from the irrigation chamber 101. A filter plate 102 is fixedly installed inside the irrigation chamber 101, and a water pump 103 is fixedly installed at the bottom of the outer side of the irrigation chamber 101. A drive motor 107 and an L-shaped side arm 108 are fixedly installed on the top of the L-shaped frame arm 104. A sliding groove seat 106 is fixedly installed at the end of the L-shaped side arm 108 away from the L-shaped frame arm 104. A drive wheel 109 is installed on the output shaft of the drive motor 107, and a wheel rod 110 is fixedly installed on the drive wheel 109.

[0027] In a preferred embodiment, please refer to Figure 4 The cultivation bin assembly 200 includes multiple cultivation bins 201, and a first support arm 202 and a second support arm 203 are rotatably provided on both sides of the multiple cultivation bins 201.

[0028] In this embodiment, the bottom arm of the first support arm 202 and the bottom arm of the second support arm 203 are respectively rotatably mounted on both sides of the irrigation chamber 101.

[0029] In this embodiment, the top of the hydraulic cylinder 111 is rotatably connected to the body of the first support arm 202.

[0030] In this embodiment, the cultivation bin 201 is filled with cultivation soil.

[0031] In this embodiment, the synchronous swinging of the first support arm 202 and the second support arm 203 enables multiple cultivation bins 201 to form an adjustable cultivation bin structure between the first support arm 202 and the second support arm 203.

[0032] In a preferred embodiment, please refer to Figure 5 The irrigation sprinkler assembly 300 includes a main sprinkler pipe 301, a plurality of sprinkler branch pipes 303 fixedly mounted on the main sprinkler pipe 301, a plurality of sprinkler nozzles 302 fixedly mounted on the sprinkler branch pipes 303 at an angle, and a toggle arm 305 fixedly mounted on the back of the main sprinkler pipe 301 via a connecting block 307. Sliding square rods 306 are fixedly mounted on both sides of the toggle arm 305, and a toggle groove 304 is provided on the toggle arm 305.

[0033] In this embodiment, the irrigation sprinkler assembly 300 is disposed inside the drive wheel 109.

[0034] In this embodiment, the sliding square rod 306 slides within the sliding groove seat 106.

[0035] In this embodiment, the wheel rod 110 is inserted into the actuation groove 304.

[0036] In this embodiment, the drive wheel 109 drives the wheel rod 110 to rotate.

[0037] In this embodiment, the wheel lever 110 drives the sliding square rod 306 to slide back and forth in the sliding groove seat 106 via the actuation groove 304 on the actuation arm 305.

[0038] In this embodiment, the bottom of the spray main pipe 301 is connected to the water pump 103 via a pipe.

[0039] In a preferred embodiment, please refer to Figure 6 The auxiliary support arm assembly 400 includes an auxiliary support outer arm 401 and an auxiliary support inner arm 407. An outer arm shaft 402 is fixedly installed at the top of the auxiliary support outer arm 401. An outer arm side groove 404 is opened on both sides of the auxiliary support outer arm 401. An outer arm ring 403 is fixedly installed around the auxiliary support outer arm 401. An inner arm protrusion 406 is fixedly installed at the top of the auxiliary support inner arm 407. An inner arm ring platform 408 is fixedly installed in the middle of the auxiliary support inner arm 407. An anti-spring 405 is sleeved around the auxiliary support outer arm 401.

[0040] In this embodiment, the auxiliary support outer arm 401 has a groove inside that matches the auxiliary support inner arm 407.

[0041] In this embodiment, the inner auxiliary support arm 407 slides within the outer auxiliary support arm 401.

[0042] In this embodiment, the inner arm protrusion 406 slides within the outer arm side groove 404.

[0043] In this embodiment, the top of the abutment spring 405 abuts against the outer arm ring 403, and the bottom of the abutment spring 405 abuts against the inner arm ring platform 408.

[0044] In this embodiment, the inner auxiliary support arm 407 is in an extended position on the outer auxiliary support arm 401 by the pushing of the abutment spring 405.

[0045] In this embodiment, the outer arm shaft 402 is rotatably mounted on the second support arm 203 via a bearing.

[0046] A method for cultivating sweet potatoes includes the following steps: S1: The extension of the hydraulic cylinder 111 causes the first support arm 202 to tilt and swing on one side of the irrigation chamber 101. At this time, through the cooperation of the first support arm 202 and the second support arm 203, the multiple cultivation chambers 201 on the cultivation chamber assembly 200 are staggered between the first support arm 202 and the second support arm 203 to form a cultivation chamber structure. Cultivation soil is filled into the cultivation chambers 201, and sweet potato seedlings are cultivated into the multiple cultivation chambers 201.

[0047] S2: During water-saving irrigation, the retraction of the hydraulic cylinder 111 drives the first support arm 202 to retract and swing on one side of the irrigation chamber 101. At this time, through the cooperation of the first support arm 202 and the second support arm 203, the multiple cultivation chambers 201 on the cultivation chamber assembly 200 are arranged in a longitudinally stacked irrigation chamber structure between the first support arm 202 and the second support arm 203. At this time, the irrigation spray assembly 300 sprays and irrigates the multi-layer cultivation chambers 201.

[0048] S3: The drive motor 107 drives the drive wheel 109 to rotate. The drive wheel 109 drives the sliding square rod 306 to move back and forth in the sliding groove seat 106 through the wheel rod 110 and the actuating groove 304. At this time, the main spray pipe 301 drives multiple spray branch pipes 303 to spray and irrigate the cultivation bin component 200.

[0049] The working principle of this invention is as follows: In order to make full use of the height space, a cultivation chamber assembly 200 is oscillatingly mounted on the water-saving irrigation chamber assembly 100. Through the tilting and oscillation of the cultivation chamber assembly 200 on the water-saving irrigation chamber assembly 100, a staggered sweet potato cultivation chamber structure is formed on one side of the water-saving irrigation chamber assembly 100. Specifically, the cultivation chamber assembly 200 includes multiple long cultivation chambers 201. A first support arm 202 and a second support arm 203 are rotatably mounted on both sides of the multiple long cultivation chambers 201. The bottom arms of the first support arm 202 and the bottom arms of the second support arm 203 are rotatably mounted on both sides of the irrigation chamber 101. The top of the hydraulic cylinder 111 is rotatably connected to the arm of the first support arm 202. Next, the cultivation bins 201 are filled with cultivation soil. Through the synchronous swinging of the first support arm 202 and the second support arm 203, multiple cultivation bins 201 form an adjustable cultivation bin structure between the first support arm 202 and the second support arm 203. Specifically, the extension of the hydraulic cylinder 111 drives the first support arm 202 to tilt and swing on one side of the irrigation bin 101. At this time, through the cooperation of the first support arm 202 and the second support arm 203, multiple cultivation bins 201 on the cultivation bin assembly 200 are staggered between the first support arm 202 and the second support arm 203 to form a cultivation bin structure. Through this structure, multiple cultivation bins 201 do not block each other, and at the same time, the cultivation space is effectively utilized in terms of height.

[0050] Based on the above, in order to facilitate irrigation of the cultivation chamber assembly 200 and save water during irrigation, this invention utilizes the vertical swinging of the cultivation chamber assembly 200 on the water-saving irrigation chamber assembly 100 to form a longitudinally stacked drip irrigation structure. Specifically, during water-saving irrigation, the retraction of the hydraulic cylinder 111 drives the first support arm 202 to retract and swing on one side of the irrigation chamber 101. At this time, through the cooperation of the first support arm 202 and the second support arm 203, the multiple cultivation chambers 201 on the cultivation chamber assembly 200 are arranged in a longitudinally stacked irrigation chamber structure between the first support arm 202 and the second support arm 203. The irrigation spray assembly 300 then sprays water onto the multi-layered cultivation chambers 201. 01 Sprinkler irrigation is performed. This structure allows water dripping from the upper cultivation chamber 201 to fall into the lower cultivation chamber 201 during irrigation, and water from the lowest cultivation chamber 201 falls into the irrigation chamber 101. The water is then filtered by the filter plate 102 and pumped back into the chamber by the pump 103. Simultaneously, the invention drives the drive wheel 109 to rotate via the drive motor 107. The drive wheel 109 drives the sliding square rod 306 to reciprocate within the sliding groove seat 106 via the wheel rod 110 and the actuating groove 304. At this time, the main spray pipe 301 drives multiple spray branch pipes 303 to perform reciprocating spray irrigation on the cultivation chamber assembly 200. This structure enables dynamic spraying during irrigation of the cultivation chamber 201, achieving better irrigation.

[0051] Based on the above, in order to effectively support the cultivation bin assembly 200 when it is tilted, auxiliary support arm assemblies 400 are rotatably provided on both sides of the cultivation bin assembly 200. The auxiliary support arm assemblies 400 provide auxiliary cultivation support for the tilted and swinging cultivation bin assembly 200. The auxiliary support outer arm 401 has a sliding groove inside that matches the auxiliary support inner arm 407. The auxiliary support inner arm 407 slides inside the auxiliary support outer arm 401. At this time, the inner arm protrusion 406 slides in the outer arm side groove 404. The top of the contact spring 405 abuts against the outer arm ring 403, and the bottom of the contact spring 405 abuts against the outer arm ring 403. The inner arm 407 abuts against the inner arm ring platform 408. Through the pushing of the abutment spring 405, the auxiliary support inner arm 407 is in an outward structure on the auxiliary support outer arm 401. The outer arm shaft 402 is rotatably mounted on the second support arm 203 through the bearing. When the first support arm 202 and the second support arm 203 tilt and swing, the auxiliary support arm assembly 400 automatically falls down with the swing of the second support arm 203. When the second support arm 203 swings into place, the bottom of the auxiliary support inner arm 407 is inserted into the foundation, thereby achieving auxiliary support for the cultivation bin assembly 200.

[0052] Although embodiments of the 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 to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A water-saving irrigation device for sweet potato cultivation, comprising a water-saving irrigation chamber assembly (100), characterized in that: A cultivation chamber assembly (200) is oscillatingly mounted on the water-saving irrigation chamber assembly (100). The oscillation of the cultivation chamber assembly (200) on the water-saving irrigation chamber assembly (100) creates a staggered, unfolded sweet potato cultivation chamber structure on one side of the water-saving irrigation chamber assembly (100). The vertical oscillation of the cultivation chamber assembly (200) on the water-saving irrigation chamber assembly (100) further enhances its position within the water-saving irrigation chamber assembly. A longitudinally stacked drip irrigation structure is formed on the component (100). An irrigation spray assembly (300) is provided on one side of the water-saving irrigation chamber assembly (100). The irrigation spray assembly (300) performs reciprocating spray irrigation on the cultivation chamber assembly (200). An auxiliary support arm assembly (400) is rotatably provided on both sides of the cultivation chamber assembly (200). The auxiliary support arm assembly (400) provides auxiliary cultivation support for the tilted and swinging cultivation chamber assembly (200).

2. The water-saving irrigation device for sweet potato cultivation according to claim 1, characterized in that: The water-saving irrigation chamber assembly (100) includes an irrigation chamber (101). An L-shaped arm (104) and a support side platform (105) are fixedly installed on one side of the irrigation chamber (101). A hydraulic cylinder (111) is rotatably installed on the side of the support side platform (105) away from the irrigation chamber (101). A filter plate (102) is fixedly installed inside the irrigation chamber (101). A water pump (103) is fixedly installed at the bottom of the outside of the irrigation chamber (101). A drive motor (107) and an L-shaped side arm (108) are fixedly installed at the top of the L-shaped arm (104). A sliding groove seat (106) is fixedly installed at the end of the L-shaped side arm (108) away from the L-shaped arm (104). A drive wheel (109) is installed on the output shaft of the drive motor (107). A wheel rod (110) is fixedly installed on the drive wheel (109).

3. The water-saving irrigation device for sweet potato cultivation according to claim 2, characterized in that: The cultivation bin assembly (200) includes multiple cultivation bins (201), and a first support arm (202) and a second support arm (203) are rotatably provided on both sides of the multiple cultivation bins (201).

4. The water-saving irrigation device for sweet potato cultivation according to claim 3, characterized in that: The irrigation sprinkler assembly (300) includes a main sprinkler pipe (301), a plurality of sprinkler branch pipes (303) are fixedly installed on the main sprinkler pipe (301), a plurality of sprinkler nozzles (302) are fixedly installed on the sprinkler branch pipes (303) at an angle, and a toggle arm (305) is fixedly installed on the back of the main sprinkler pipe (301) through a connecting block (307). Sliding square rods (306) are fixedly installed on both sides of the toggle arm (305), and a toggle groove (304) is opened on the toggle arm (305).

5. The water-saving irrigation device for sweet potato cultivation according to claim 4, characterized in that: The auxiliary support arm assembly (400) includes an auxiliary support outer arm (401) and an auxiliary support inner arm (407). An outer arm shaft (402) is fixedly provided on the top of the auxiliary support outer arm (401). An outer arm side groove (404) is provided on both sides of the auxiliary support outer arm (401). An outer arm ring (403) is fixedly provided around the auxiliary support outer arm (401). An inner arm protrusion (406) is fixedly provided on the top of the auxiliary support inner arm (407). An inner arm ring platform (408) is fixedly provided in the middle of the auxiliary support inner arm (407). An anti-spring (405) is sleeved around the auxiliary support outer arm (401).

6. The water-saving irrigation device for sweet potato cultivation according to claim 5, characterized in that: The auxiliary support outer arm (401) has a sliding groove inside that matches the auxiliary support inner arm (407). The auxiliary support inner arm (407) slides inside the auxiliary support outer arm (401). At this time, the inner arm protrusion (406) slides inside the outer arm side groove (404). The top of the abutment spring (405) abuts against the outer arm ring (403), and the bottom of the abutment spring (405) abuts against the inner arm ring platform (408). Through the pushing of the abutment spring (405), the auxiliary support inner arm (407) is in an outward structure on the auxiliary support outer arm (401). The outer arm shaft (402) is rotatably mounted on the second support arm (203) through a bearing.

7. The water-saving irrigation device for sweet potato cultivation according to claim 5, characterized in that: The irrigation sprinkler assembly (300) is located inside the drive wheel (109). At this time, the sliding square rod (306) slides in the sliding groove seat (106), and the wheel rod (110) is inserted in the actuation groove (304). The drive wheel (109) drives the wheel rod (110) to rotate. The wheel rod (110) drives the sliding square rod (306) to slide back and forth in the sliding groove seat (106) through the actuation groove (304) on the actuation arm (305). The bottom of the sprinkler main pipe (301) is connected to the water pump (103) through a pipe.

8. The water-saving irrigation device for sweet potato cultivation according to claim 5, characterized in that: The bottom arm of the first support arm (202) and the bottom arm of the second support arm (203) are respectively rotatably mounted on both sides of the irrigation chamber (101) body, and the top of the hydraulic cylinder (111) is rotatably connected to the arm of the first support arm (202).

9. A water-saving irrigation device for sweet potato cultivation according to claim 5, characterized in that: The cultivation bin (201) is filled with cultivation soil. Through the synchronous swinging of the first support arm (202) and the second support arm (203), multiple cultivation bins (201) form an adjustable cultivation bin between the first support arm (202) and the second support arm (203).

10. A method for cultivating sweet potatoes, implemented using a water-saving irrigation device for sweet potato cultivation as described in any one of claims 5-9, characterized in that: Includes the following steps: S1: The extension of the hydraulic cylinder (111) drives the first support arm (202) to tilt and swing on one side of the irrigation chamber (101). At this time, through the cooperation of the first support arm (202) and the second support arm (203), the multiple cultivation chambers (201) on the cultivation chamber assembly (200) are staggered between the first support arm (202) and the second support arm (203) to form a cultivation chamber structure. The cultivation chambers (201) are filled with cultivation soil, and the sweet potato seedlings are cultivated into the multiple cultivation chambers (201). S2: During water-saving irrigation, the retraction of the hydraulic cylinder (111) drives the first support arm (202) to retract and swing on one side of the irrigation chamber (101). At this time, through the cooperation of the first support arm (202) and the second support arm (203), the multiple cultivation long chambers (201) on the cultivation chamber assembly (200) are arranged in a longitudinally stacked irrigation chamber structure between the first support arm (202) and the second support arm (203). At this time, the irrigation spray assembly (300) sprays and irrigates the multi-layer cultivation long chambers (201). S3: The drive motor (107) drives the drive wheel (109) to rotate. The drive wheel (109) drives the sliding square rod (306) to move back and forth in the sliding slot seat (106) through the wheel rod (110) and the actuating groove (304). At this time, the main spray pipe (301) drives multiple spray branch pipes (303) to spray and irrigate the cultivation bin component (200) back and forth.

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