Polycarbon fertilizer application device for improving fruit setting rate and yield of macadamia nuts

Abstract

The invention relates to the technical field of agricultural fertilization, in particular to a poly-carbon fertilizer application device for improving the fruit setting rate and yield of macadamia ternifolia, which comprises a tumbrel main body, a fertilization assembly, a stirring and feeding assembly and a fertilizer quantifying assembly, the fertilization assembly is mounted on the outer wall of one side of the tumbrel main body, and the fertilization assembly is mounted on the outer wall of the other side of the tumbrel main body; a stirring and feeding assembly is mounted on the tumbril main body, and fertilizer quantifying assemblies are mounted on the two sides of the tumbril main body; the fertilizing assembly comprises a lifting groove, a first spring, a sliding plate, a plow harrow device, a first motor and a first rotating shaft; according to the nut fertilizing device, the fertilizing assembly is adopted, soil of root systems of nuts can be turned, so that fertilizing treatment can be conveniently carried out on the turned soil, fertilizer can be sprayed to the leaf surfaces of vegetation, the fertilizing process is simplified, and the fertilizing effect is improved; and the stirring and feeding assembly is adopted, so that the fertilizer can be fed and stirred, manual auxiliary stirring of the fertilizer is not needed, the stirring burden is reduced, and the stirring effect is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of agricultural fertilization, and in particular to a polycarbonate fertilizer application device for improving the fruit setting rate and yield of macadamia nuts. Background Art

[0002] Macadamia nuts are native to the coastal subtropical rainforests of Queensland and New South Wales, Australia. Due to their shallow root system, macadamia nuts are not suitable for growing in areas with strong winds. In China, they are mainly grown in Yunnan, Guangxi, Guangdong and Guizhou. According to statistics from the Ministry of Agriculture and Rural Affairs, as of 2023, my country's macadamia nut planting area has reached 4.6 million mu, accounting for 62% of the world's planting area. % and is currently the world's largest macadamia nut planting country, creating a situation where the world looks to China for macadamia nuts; polycarbonate is a highly photosynthetic exogenous substance that can quickly convert CO2 into glucose through polymerization and also regulates the distribution of endogenous substances; root application of polycarbonate fertilizer, combined with foliar spraying of polycarbonate and insulation materials, combined with other macro-element and micro-element fertilizers, plus appropriate water management, can increase photosynthetic rate, accelerate the synthesis and accumulation of sugars, proteins and fats, quickly replenish nutrients, improve pollen vitality, thereby increasing pollination rate and fruit set rate, and significantly increasing yield; existing application devices make it difficult to till the soil around the macadamia roots and fertilize the tilled soil, and it is difficult to spray fertilizer on the leaves at the same time, which increases the difficulty of fertilization and reduces fertilization efficiency; it is also difficult to feed and stir the fertilizer, requiring manual auxiliary stirring, which increases the stirring burden and reduces the stirring effect; and when fertilizing, it is generally difficult to adjust the feed amount according to weather temperature, resulting in a fixed feed amount, reducing fertilization efficiency and being detrimental to increasing the fruit set rate and yield of macadamia nuts. Summary of the Invention

[0003] The problem solved by the present invention is to provide a polycarbon fertilizer application device for improving the fruit setting rate and yield of macadamia nuts. The device can turn over the soil around the roots of the nuts, thereby facilitating fertilization of the turned soil area. The device can also spray fertilizer on the leaves of vegetation, thereby simplifying the fertilization process and improving the fertilization effect. The device can also feed and stir the fertilizer without the need for manual auxiliary stirring of the fertilizer, thereby reducing the stirring burden and improving the stirring effect. Moreover, when fertilizing, the amount of fertilizer fed can be adjusted according to the weather temperature, thereby facilitating improving the fruit setting rate and yield of macadamia nuts and improving the fertilization effect.

[0004] To achieve the above-mentioned object, the present invention adopts the following technical solution: a polycarbon fertilizer application device for improving the fruit setting rate and yield of macadamia nuts, comprising a fertilizer application vehicle body, a fertilizer application component, a stirring and feeding component, and a fertilizer dosing component, wherein the fertilizer application component is installed on an outer wall of one side of the fertilizer application vehicle body, the stirring and feeding component is installed on the fertilizer application vehicle body, and the fertilizer dosing components are installed on both sides of the fertilizer application vehicle body; The fertilizing assembly includes a lifting groove, a first spring, a slide plate, a plow rake, a first motor, a first rotating shaft, a winding wheel, an elliptical wheel, an adjusting belt, an ear block, a second rotating shaft, a second spring, a rotating block and a spraying plate, an ear block is symmetrically fixed on an outer wall of one side of the fertilizing vehicle body, a second rotating shaft is rotatably connected on the outer wall between the ear blocks, the second rotating shaft is fixedly connected to the rotating block, both outer walls of the rotating block are fixedly connected to the second spring, and the other end of the second spring is fixedly connected to the outer wall of the ear block, one outer wall of the rotating block is fixedly connected to the spraying plate, and the adjusting belt is symmetrically fixedly connected to the outer wall of the bottom end of the spraying plate, the first motor is symmetrically inlaid and installed on one side of the fertilizing vehicle body, one end of the output shaft of the first motor is fixedly connected to the first rotating shaft, the outer side of the first rotating shaft is fixedly connected to the winding wheel, and the bottom end of the adjusting belt is fixedly connected to the inner wall of the winding wheel, and the outer wall of one end of the first rotating shaft is fixedly connected to the elliptical wheel.

[0005] Preferably, a lifting groove is provided on one side of the main body of the fertilizer spreading vehicle, a slide is slidably connected in the lifting groove, a first spring is fixed to the outer wall of the bottom end of the slide, and the bottom end of the first spring is fixed to the inner wall of the lifting groove, a plowshare is fixed to the outer wall of one side of the slide, and the bottom end of the elliptical wheel is fitly connected to the outer wall of the plowshare.

[0006] Preferably, the stirring and feeding assembly includes a second motor, a third rotating shaft, a first gear, a stirring wheel, a material storage tank, a material discharge hole, a material blocking plate, a material blocking arc plate, a connecting rod, a second gear, an annular chute, a cylinder and a pulley. The second motor is embedded on the top of the fertilizer spreading vehicle body, the third rotating shaft is fixedly connected to the bottom end of the output shaft of the second motor, the stirring wheel is fixedly connected to the bottom end of the third rotating shaft, the first gear is fixedly connected to the outside of the third rotating shaft, the second gear is symmetrically meshed with the outside of the first gear, and one end of the second gear is fixedly connected to the outside of the first gear. An annular slide is provided on the side, and a pulley is symmetrically slidably connected in the annular slide. Cylinders are embedded and installed on both sides of the fertilizer spreading vehicle body, and one end of the telescopic rod of the cylinder is rotatably connected to the outer wall of the pulley. A connecting rod is fixedly connected to the outer wall of one side of the second gear, and a material blocking disk is fixedly connected to the outer wall of one end of the connecting rod, and a material blocking arc plate is fixedly connected to the outer wall of one side of the material blocking disk. Storage tanks are embedded and installed at the positions of the material blocking disks on both sides of the fertilizer spreading vehicle body, and discharge holes are symmetrically provided at the bottom end of the storage tank corresponding to the position of the material blocking arc plate.

[0007] The transmission gear of the present invention is connected with the transmission gear of the present invention to the transmission gear of the present invention, and the transmission gear of the present invention is connected with the transmission gear of the present invention to the transmission gear of the present invention.

[0008] Preferably, a connecting plate is rotatably connected to the outer wall of one end of the screw rod, a scale is fixedly connected to the outer wall of one side of the connecting plate, and a first guide port is opened on one side of the storage tank at a position corresponding to the scale.

[0009] Preferably, a liquid pump is installed on the inner wall of the bottom end of the main body of the fertilizer spreading vehicle, a telescopic hose is installed on the top end of the liquid pump, and the top end of the telescopic hose is connected to the outer wall of the spraying plate.

[0010] Preferably, a water inlet pipe is connected through the top of the main body of the fertilizer spreading vehicle, and a first valve is embedded in the water inlet pipe.

[0011] Preferably, the top end of the main body of the fertilizer spreading vehicle is connected with a feed pipe, and the bottom end of the feed pipe is connected with the outer wall of the storage tank, and a second valve is embedded in the feed pipe.

[0012] Preferably, the second spring is sleeved on the outer wall of the second rotating shaft, and the second spring is a torsion spring.

[0013] Preferably, the first gear and the second gear are bevel gears, and one side of the first gear is vertically meshed with the outer wall of the second gear.

[0014] The beneficial effects of the present invention are as follows: the fertilization component is used to turn over the soil around the roots of nuts, thereby facilitating fertilization of the turned soil, and fertilizer can also be sprayed on the leaves of vegetation, thereby simplifying the fertilization process and improving the fertilization effect; The stirring feeding component is used to feed and stir the fertilizer, eliminating the need for manual auxiliary stirring of the fertilizer, reducing the stirring burden and improving the stirring effect; A fertilizer quantitative component is used. When applying fertilizer, the amount of fertilizer fed can be adjusted according to the weather temperature, which is convenient for increasing the fruit setting rate and yield of macadamia nuts and improving the fertilization effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the overall three-dimensional structural diagram of the present invention; Figure 2 It is a side cutaway structural diagram of the present invention; Figure 3 It is a three-dimensional structural diagram of the fertilizing assembly of the present invention; Figure 4 This is a front view cutaway structural diagram of the present invention; Figure 5 For the present invention Figure 4 Partial cross-sectional structural diagram in; Figure 6 It is a top view cutaway structural diagram of the present invention; Figure 7 It is an internal three-dimensional structural diagram of the present invention; Figure 8 It is a partial three-dimensional structural diagram of the stirring and feeding assembly and the fertilizer dosing assembly of the present invention; Figure 9 This is a three-dimensional diagram of the internal structure of the stirring and feeding assembly and the fertilizer dosing assembly of the present invention; Figure 10 For the present invention Figure 9 A magnified view of the structure of area A in the middle.

[0016] Legend: 1. Fertilizer spreading vehicle body; 2. Fertilizer spreading assembly; 3. Mixing and feeding assembly; 4. Fertilizer dosing assembly; 5. Liquid pump; 6. Telescopic hose; 7. Water inlet pipe; 8. First valve; 9. Feed pipe; 10. Second valve; 201. Lifting trough; 202. First spring; 203. Slide plate; 204. Plowing device; 205. First motor; 206. First rotating shaft; 207. Winding wheel; 208. Elliptical wheel; 209. Adjusting belt; 2010. Ear block; 2011. Second rotating shaft; 2012. Second spring; 2013. Rotating block; 2014. Spraying plate; 301. Second motor; 302. Third rotating shaft; 303. First gear Wheel; 304, stirring wheel; 305, storage tank; 306, discharge hole; 307, blocking plate; 308, blocking arc plate; 309, connecting rod; 3010, second gear; 3011, annular slide; 3012, cylinder; 3013, pulley; 401, vertical plate; 402, third motor; 403, third gear; 404, rotating hole; 405, annular guide rail; 406, slip ring; 407, fourth gear; 408, threaded hole; 409, first guide port; 4010, T-shaped guide rail; 4011, metering plate; 4012, second guide port; 4013, screw rod; 4014, connecting plate; 4015, ruler. DETAILED DESCRIPTION

[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0018] Example 1 See also Figures 1 to 3A polycarbon fertilizer application device for improving the fruit setting rate and yield of macadamia nuts includes a fertilizer vehicle body 1, a fertilizer component 2, a stirring and feeding component 3, and a fertilizer quantitative component 4. The fertilizer component 2 is installed on the outer wall of one side of the fertilizer vehicle body 1, the stirring and feeding component 3 is installed on the fertilizer vehicle body 1, and the fertilizer quantitative components 4 are installed on both sides of the fertilizer vehicle body 1; a liquid pump 5 is installed on the inner wall of the bottom end of the fertilizer vehicle body 1, and a telescopic hose 6 is installed on the top of the liquid pump 5, and the top of the telescopic hose 6 is connected to the outer wall of the spray plate 2014. The liquid pump 5 is started to extract the solution, and then the solution is extracted through the telescopic hose. The hose 6 is injected into the interior of the spray plate 2014, and the designated position is fertilized through the spray plate 2014; the top of the fertilizer vehicle body 1 is connected with a water inlet pipe 7, and the water inlet pipe 7 is inlaid with a first valve 8. When the first valve 8 is opened, it is convenient for clean water to enter the interior of the fertilizer vehicle body 1 through the water inlet pipe 7; the top of the fertilizer vehicle body 1 is connected with a feed pipe 9, and the bottom end of the feed pipe 9 is connected to the outer wall of the storage tank 305. The feed pipe 9 is inlaid with a second valve 10. When the second valve 10 is opened, it is convenient for polycarbonate fertilizer to be injected into the storage tank 305 through the feed pipe 9; The fertilizing assembly 2 includes a lifting groove 201, a first spring 202, a slide plate 203, a plow 204, a first motor 205, a first rotating shaft 206, a winding wheel 207, an elliptical wheel 208, an adjusting belt 209, an ear block 2010, a second rotating shaft 2011, a second spring 2012, a rotating block 2013 and a spraying plate 2014. The ear blocks 2010 are symmetrically fixed on the outer wall of one side of the fertilizing vehicle body 1. The outer wall between the ear blocks 2010 is rotatably connected to the second rotating shaft 2011. The rotating block 2013 is fixedly connected to the second rotating shaft 2011. 13, the outer walls of both sides of the rotating block 2013 are fixed with a second spring 2012, and the other end of the second spring 2012 is fixed to the outer wall of the ear block 2010, the outer wall of one side of the rotating block 2013 is fixed with a spray plate 2014, and the outer wall of the bottom end of the spray plate 2014 is symmetrically fixed with an adjustment belt 209. The first motor 205 is symmetrically inlaid and installed on one side of the fertilizer spreading vehicle body 1, and one end of the output shaft of the first motor 205 is fixed with a first rotating shaft 206. The outer side of the first rotating shaft 206 is fixed with a winding wheel 207, and the bottom of the adjusting belt 209 is fixed with a winding wheel 207. The end is fixed to the inner wall of the winding wheel 207, and an elliptical wheel 208 is fixed to the outer wall of one end of the first rotating shaft 206; a lifting groove 201 is provided on one side of the fertilizer spreading vehicle body 1, and a slide plate 203 is slidably connected in the lifting groove 201. A first spring 202 is fixed to the outer wall of the bottom end of the slide plate 203, and the bottom end of the first spring 202 is fixed to the inner wall of the lifting groove 201. A plow 204 is fixed to the outer wall of one side of the slide plate 203, and the bottom end of the elliptical wheel 208 is fitted and connected to the outer wall of the plow 204. Through the raised part of the elliptical wheel 208, the plow 204 is fixed to the outer wall of the plow 204. The plowshare 204 is squeezed so that the slide plate 203 on the plowshare 204 descends along the lifting groove 201, making it convenient for the plowshare 204 to turn over the soil at the designated location; the second spring 2012 is sleeved on the outer wall of the second rotating shaft 2011, and the second spring 2012 is a torsion spring. The winding wheel 207 unfolds the adjusting belt 209, and then under the action of the second spring 2012, the rotating block 2013 on the spraying plate 2014 is conveniently rotated upward along the second rotating shaft 2011 on the ear block 2010.

[0019] Working principle: When it is necessary to fertilize the root system of nuts, first move the main body 1 of the fertilizer spreading vehicle to the designated position, then start the first motor 205 to rotate the elliptical wheel 208 on the first rotating shaft 206, and squeeze the plow 204 through the raised part of the elliptical wheel 208, so that the slide 203 on the plow 204 descends along the lifting groove 201, and the plow 204 turns the soil at the designated position, and then rewinds the adjusting belt 209 through the reeling wheel 207 on the first rotating shaft 206, so that the rotating block 2013 on the spray plate 2014 rotates downward along the second rotating shaft 2011 on the ear block 2010, and then starts the liquid extraction pump 5 to extract the solution, and then injects it into the spray plate 2014 through the telescopic hose 6, and fertilizes the turned soil through the spray plate 2014. When it is necessary to fertilize the surface of the vegetation, When fertilizing, the first motor 205 is started to reverse the elliptical wheel 208 on the first rotating shaft 206, and then under the action of the first spring 202, the slide plate 203 on the rake 204 is raised along the lifting groove 201, and the winding wheel 207 is made to unfold the adjusting belt 209, and then under the action of the second spring 2012, the rotating block 2013 on the spray plate 2014 is rotated upward along the second rotating shaft 2011 on the ear block 2010, and the liquid pump 5 is started to extract the solution, and then injected into the spray plate 2014 through the telescopic hose 6, and the vegetation leaves are sprayed through the spray plate 2014, so that the soil of the nut root system can be turned over, thereby facilitating fertilization of the turned over area, and fertilizer can also be sprayed on the vegetation leaves, which simplifies the fertilization process and improves the fertilization effect.

[0020] Example 2 See also Figures 4 to 93011, a first gear 303, a stirring wheel 304, a material storage tank 305, a discharge hole 306, a material blocking plate 307, a material blocking arc plate 308, a connecting rod 309, a second gear 3010, an annular slide 3011, a cylinder 3012 and a pulley 3013. The top of the fertilizer spreading vehicle body 1 is inlaid with the second motor 301, the bottom end of the output shaft of the second motor 301 is fixedly connected to the third rotating shaft 302, the bottom end of the third rotating shaft 302 is fixedly connected to the stirring wheel 304, the outer side of the third rotating shaft 302 is fixedly connected to the first gear 303, the outer side of the first gear 303 is symmetrically meshed with the second gear 3010, an annular slide 3011 is provided on one side of the second gear 3010, and the pulley 3013 is symmetrically slidably connected in the annular slide 3011. The gear 303 is connected to the gear train 301 through the cam 306 and the gear train 301 is connected to the gear train 301 through the cam 306.

[0021] After the fertilizer is quantitatively processed, the second valve 10 is opened and the polycarbonate fertilizer is injected into the storage tank 305 through the feeding pipe 9. When the feeding is completed, the first valve 8 is closed to prevent the polycarbonate fertilizer from being fed through the feeding pipe 9. At this time, the cylinder 3012 is started to move the pulley 3013, and then under the action of the annular chute 3011, the second gear 3010 is meshed with the first gear 303. At this time, the second motor 301 is started to make the first gear 303 on the third rotating shaft 302 rotate slowly, so that the annular chute 3011 on the second gear 3010 rotates along the pulley 3013, and the material blocking arc plate 308 on the blocking disk 307 is driven by the connecting rod 309 to rotate 180 degrees, so that the discharge hole 306 is opened, and then the third motor 402 is started to rotate the third gear 403, thereby driving The slip ring 406 on the fourth gear 407 rotates along the annular guide rail 405, and then under the action of the threaded hole 408, the screw rod 4013 rotates and moves along the rotating hole 404, so that the second guide port 4012 on the quantitative disk 4011 moves along the T-shaped guide rail 4010, and all the polycarbonate fertilizer is discharged through the quantitative disk 4011, and then the cylinder 3012 is started to reset the pulley 3013, and then under the action of the annular groove 3011, the material blocking arc plate 308 on the material blocking disk 307 blocks the storage tank 305 and the discharge hole 306, and then the second motor 301 is started to make the stirring wheel 304 on the third rotating shaft 302 quickly stir the fertilizer, so that the fertilizer is adjusted and the fertilizer can be fed and stirred without manual auxiliary stirring of the fertilizer, which reduces the stirring burden and improves the stirring effect.

[0022] Example 3 See also Figures 4 to 10, the fertilizer quantitative component 4 includes a vertical plate 401, a third motor 402, a third gear 403, a rotating hole 404, an annular guide rail 405, a slip ring 406, a fourth gear 407, a threaded hole 408, a first guide port 409, a T-shaped guide rail 4010, a quantitative disk 4011, a second guide port 4012, a screw rod 4013, a connecting plate 4014 and a scale 4015, the top of the material blocking arc plate 308 is fixedly connected with a T-shaped guide rail 4010, a quantitative disk 4011 is installed in the storage tank 305, a second guide port 4012 is opened on the quantitative disk 4011 corresponding to the position of the T-shaped guide rail 4010, a screw rod 4013 is rotatably connected to one side of the quantitative disk 4011, a rotating hole 404 is opened on one side of the storage tank 305 corresponding to the position of the screw rod 4013, a circular guide rail 405 is fixedly connected to one side of the storage tank 305, and a sliding Ring 406, a fourth gear 407 is fixedly connected to the outer wall of one side of the slip ring 406, a threaded hole 408 is provided in the middle of the fourth gear 407 corresponding to the position of the screw rod 4013, the bottom end of the fourth gear 407 is meshed with the third gear 403, the bottom end of the storage tank 305 is fixedly connected to the vertical plate 401, the third motor 402 is inlaid on the vertical plate 401, and one end of the output shaft of the third motor 402 is fixedly connected to the outer wall of the third gear 403; a connecting plate 4014 is rotatably connected to the outer wall of one end of the screw rod 4013, a scale 4015 is fixedly connected to the outer wall of one side of the connecting plate 4014, and a first guide port 409 is provided on one side of the storage tank 305 corresponding to the position of the scale 4015. Under the action of the scale 4015 on the connecting plate 4014, the second guide port 4012 on the quantitative disk 4011 is conveniently moved to the specified position along the T-shaped guide rail 4010.

[0023] First, open the first valve 8 and let clean water enter the main body 1 of the fertilizer spreading vehicle through the water inlet pipe 7. When the temperature is high, the content of polycarbonate fertilizer can be increased, and when the temperature is low, the content of polycarbonate fertilizer can be reduced. At this time, according to the weather temperature, start the third motor 402 on the vertical plate 401 to rotate the third gear 403, thereby driving the slip ring 406 on the fourth gear 407 to rotate along the annular guide rail 405, and then under the action of the threaded hole 408, the screw rod 4013 is rotated and moved along the rotating hole 404, and then under the action of the scale 4015 on the connecting plate 4014, the second guide port 4012 on the quantitative disk 4011 is moved to the specified position along the T-shaped guide rail 4010, and the scale 4015 is moved along the first guide port 409. When fertilizing, the fertilizer feed amount can be adjusted according to the weather temperature, which is convenient for improving the fruit setting rate and yield of macadamia nuts and improving the fertilization effect.

[0024] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A polycarbonate fertilizer application device for improving the fruit setting rate and yield of macadamia nuts, characterized in that: The invention comprises a fertilizer vehicle body (1), a fertilizer assembly (2), a stirring and feeding assembly (3) and a fertilizer quantitative assembly (4), wherein the fertilizer assembly (2) is mounted on an outer wall of one side of the fertilizer vehicle body (1), the stirring and feeding assembly (3) is mounted on the fertilizer vehicle body (1), and the fertilizer quantitative assembly (4) is mounted on both sides of the fertilizer vehicle body (1); The fertilizer application component (2) comprises a lifting groove (201), a first spring (202), a slide plate (203), a plowing device (204), a first motor (205), a first rotating shaft (206), a winding wheel (207), an elliptical wheel (208), an adjusting belt (209), an ear block (2010), a second rotating shaft (2011), a second spring (2012), a rotating block (2013) and a spraying plate (2014); the ear blocks (210) are symmetrically fixed on the outer wall of one side of the fertilizer application vehicle body (1); the second rotating shaft (211) is rotatably connected to the outer wall between the ear blocks (210); the rotating block (213) is fixedly connected to the second rotating shaft (211); the outer walls of both sides of the rotating block (213) are symmetrically fixed to the outer wall of the fertilizer application vehicle body (1); A second spring (2012) is fixedly connected to each of the two ends of the fertilizing vehicle body (1), and the other end of the second spring (2012) is fixedly connected to the outer wall of the ear block (2010). A spray plate (2014) is fixedly connected to the outer wall of one side of the rotating block (2013). An adjustment belt (209) is symmetrically fixedly connected to the outer wall of the bottom end of the spray plate (2014). A first motor (205) is symmetrically inlaid and installed on one side of the main body (1) of the fertilizing vehicle. One end of the output shaft of the first motor (205) is fixedly connected to a first rotating shaft (206). A winding wheel (207) is fixedly connected to the outer side of the first rotating shaft (206). The bottom end of the adjustment belt (209) is fixedly connected to the inner wall of the winding wheel (207). An elliptical wheel (208) is fixedly connected to the outer wall of one end of the first rotating shaft (206).

2. A polycarbonate fertilizer application device for improving the fruit setting rate and yield of macadamia nuts according to claim 1, characterized in that: A lifting groove (201) is provided on one side of the fertilizer spreading vehicle body (1), a slide plate (203) is slidably connected in the lifting groove (201), a first spring (202) is fixedly connected to the outer wall of the bottom end of the slide plate (203), and the bottom end of the first spring (202) is fixedly connected to the inner wall of the lifting groove (201), a plowing device (204) is fixedly connected to the outer wall of one side of the slide plate (203), and the bottom end of the elliptical wheel (208) is fitted and connected to the outer wall of the plowing device (204).

3. A polycarbonate fertilizer application device for improving the fruit setting rate and yield of macadamia nuts according to claim 1, characterized in that: The stirring and feeding assembly (3) comprises a second motor (301), a third rotating shaft (302), a first gear (303), a stirring wheel (304), a material storage tank (305), a discharge hole (306), a material blocking plate (307), a material blocking arc plate (308), a connecting rod (309), a second gear (3010), an annular chute (3011), a cylinder (3012) and a pulley (3013). The second motor (301) is embedded on the top of the fertilizer spreading vehicle body (1), the third rotating shaft (302) is fixedly connected to the bottom end of the output shaft of the second motor (301), the stirring wheel (304) is fixedly connected to the bottom end of the third rotating shaft (302), the first gear (303) is fixedly connected to the outer side of the third rotating shaft (302), the second gear (3010) is symmetrically meshed and installed on the outer side of the first gear (303), and the stirring wheel (304) is fixedly connected to the outer side of the third rotating shaft (302). An annular chute (3011) is provided on one side of the second gear (3010), and a pulley (3013) is symmetrically slidably connected in the annular chute (3011). Cylinders (3012) are distributed and embedded on both sides of the fertilizer spreading vehicle body (1), and one end of the telescopic rod of the cylinder (3012) is rotatably connected to the outer wall of the pulley (3013). A connecting rod (309) is fixedly connected to the outer wall of one side of the second gear (3010), and a material blocking disk (307) is fixedly connected to the outer wall of one end of the connecting rod (309). A material blocking arc plate (308) is fixedly connected to the outer wall of one side of the material blocking disk (307). Storage tanks (305) are embedded and installed at positions corresponding to the material blocking disk (307) on both sides of the fertilizer spreading vehicle body (1), and discharge holes (306) are symmetrically opened at the bottom end of the storage tank (305) corresponding to the position of the material blocking arc plate (308).

4. A polycarbonate fertilizer application device for improving the fruit setting rate and yield of macadamia nuts according to claim 3, characterized in that: The fertilizer metering assembly (4) comprises a vertical plate (401), a third motor (402), a third gear (403), a rotating hole (404), an annular guide rail (405), a slip ring (406), a fourth gear (407), a threaded hole (408), a first guide opening (409), a T-shaped guide rail (4010), a metering disc (4011), a second guide opening (4012), a screw rod (4013), a connecting plate (4014) and a scale (4015). The top end of the material blocking arc plate (308) is fixedly connected to the T-shaped guide rail (4010). The metering disc (4011) is installed in the material storage tank (305). The second guide opening (4012) is opened on the metering disc (4011) at a position corresponding to the T-shaped guide rail (4010). One side of the metering disc (4011) is rotatably connected to the screw rod. Rod (4013), a rotating hole (404) is provided on one side of the material storage tank (305) at a position corresponding to the screw rod (4013), an annular guide rail (405) is fixedly connected to one side of the material storage tank (305), a slip ring (406) is slidably connected to the annular guide rail (405), a fourth gear (407) is fixedly connected to an outer wall of one side of the slip ring (406), a threaded hole (408) is provided in the middle of the fourth gear (407) at a position corresponding to the screw rod (4013), a third gear (403) is meshedly installed on the bottom end of the fourth gear (407), a vertical plate (401) is fixedly connected to the bottom end of the material storage tank (305), a third motor (402) is embedded and installed on the vertical plate (401), and one end of the output shaft of the third motor (402) is fixedly connected to the outer wall of the third gear (403).

5. A polycarbonate fertilizer application device for improving the fruit setting rate and yield of macadamia nuts according to claim 4, characterized in that: A connecting plate (4014) is rotatably connected to the outer wall of one end of the screw rod (4013), a scale (4015) is fixedly connected to the outer wall of one side of the connecting plate (4014), and a first guide opening (409) is opened on one side of the storage tank (305) at a position corresponding to the scale (4015).

6. A polycarbonate fertilizer application device for improving the fruit setting rate and yield of macadamia nuts according to claim 1, characterized in that: A liquid pump (5) is installed on the inner wall of the bottom end of the fertilizer application vehicle body (1), a telescopic hose (6) is installed on the top end of the liquid pump (5), and the top end of the telescopic hose (6) is connected to the outer wall of the spray plate (2014).

7. The polycarbonate fertilizer application device for improving the fruit setting rate and yield of macadamia nuts according to claim 1, characterized in that: A water inlet pipe (7) is connected through the top of the main body (1) of the fertilizer spreading vehicle, and a first valve (8) is embedded in the water inlet pipe (7).

8. The polycarbonate fertilizer application device for improving the fruit setting rate and yield of macadamia nuts according to claim 3, characterized in that: The top end of the fertilizer application vehicle body (1) is connected to a feed pipe (9), and the bottom end of the feed pipe (9) is connected to the outer wall of the storage tank (305). A second valve (10) is embedded in the feed pipe (9).

9. The polycarbonate fertilizer application device for improving the fruit setting rate and yield of macadamia nuts according to claim 1, characterized in that: The second spring (2012) is sleeved on the outer wall of the second rotating shaft (2011), and the second spring (2012) is a torsion spring.

10. The polycarbonate fertilizer application device for improving the fruit setting rate and yield of macadamia nuts according to claim 3, characterized in that: The first gear (303) and the second gear (3010) are bevel gears, and one side of the first gear (303) is vertically meshed with the outer wall of the second gear (3010).

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