Movable fertilizer applicator for planting in sandy soil

Abstract

The invention relates to the technical field of fertilizer application equipment, in particular to a movable fertilizer applicator for planting in sandy soil. A support track; a fertilizer storage cylinder; the bilateral fixed-point spraying unit is arranged between the bottom shell and the fertilizer storage barrel, is connected with the bottom shell and is connected with the barrel wall of the bottom end of the fertilizer storage barrel; the impact stirring and cutting unit is rotationally connected to the inner side of the fertilizer storage barrel and is connected with the bilateral fixed-point spraying unit; wherein the bilateral fixed-point spraying unit comprises an independent multi-control assembly, a circulating lifting assembly, a bidirectional variable spraying assembly and an automatic rotating and swinging assembly, the bilateral fixed-point spraying unit is arranged and is matched with the impact stirring and cutting unit, fertilizer located on the inner side of the fertilizer storage barrel can be continuously stirred, multiple stirring can be conducted on the fertilizer, and therefore the fertilizer can be uniformly sprayed on the inner side of the fertilizer storage barrel. And the sprinkling distance between the two sides can be flexibly adjusted, so that the sprinkling accuracy is ensured, and the applicability of the equipment is improved.

Description

Technical Field

[0001] The invention relates to the technical field of fertilizer application equipment, in particular to a mobile fertilizer application machine used for planting in sandy soil. Background Art

[0002] Sandy soil refers to soil with high sand content, coarse particles, fast water infiltration, poor water retention and good ventilation. Based on the characteristics of sandy soil, it is suitable for growing crops such as peanuts and corn. During the planting process of crops, fertilizers need to be applied to the soil or sprayed on the plants to provide the nutrients needed by the plants and maintain and improve soil fertility. The main purpose of fertilization is to increase crop yields and improve crop quality. Reasonable and scientific fertilization is one of the main means to ensure food security and maintain sustainable agricultural development.

[0003] The existing mobile fertilizer spreader is provided with a fertilizer box. The fertilizer liquid in the fertilizer box may precipitate, resulting in uneven fertilizer. In addition, when applying fertilizer, the fertilizer cannot be accurately sprinkled to the pit positions, and the fertilization effect is poor. Therefore, in view of the above situation, it is urgent to develop a mobile fertilizer spreader for sandy soil planting to overcome the shortcomings in current practical applications. Summary of the invention

[0004] The object of the present invention is to provide a mobile fertilizer applicator for planting in sandy soil to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A mobile fertilizer spreader for planting in sandy soil, comprising: a bottom shell; support tracks, which are symmetrically arranged on the outside of the bottom shell and fixedly connected to the bottom shell, and are used to support the bottom shell and realize stable movement of the fertilizer spreader on the sandy soil; a fertilizer storage cylinder, which is arranged on the outside of the top end of the bottom shell, and a delivery pipe is fixedly connected to the top cylinder wall; a bilateral fixed-point spraying unit, which is arranged between the bottom shell and the fertilizer storage cylinder, connected to the bottom shell and to the cylinder wall at the bottom end of the fertilizer storage cylinder, and is used to cooperate with the movement of the bottom shell to realize synchronous fixed-point fertilization of vegetation on both sides, and synchronously realize the reciprocating lifting and lowering of the fertilizer storage cylinder; an impact stirring and cutting unit, which is rotatably connected to the inside of the fertilizer storage cylinder and connected to the bilateral fixed-point spraying unit, and is used to cooperate with the bilateral fixed-point spraying unit to realize stirring and cutting of fertilizer located inside the fertilizer storage cylinder; wherein, the bilateral fixed-point spraying unit comprises: an independent multi-control component, a circulating lifting component, a bidirectional A variable spraying assembly and an automatic swing assembly, wherein the independent multi-control assembly is fixedly connected to the inner side of the bottom shell and is connected to the impact stirring unit, and is used to drive the impact stirring unit to rotate to achieve stirring of the fertilizer inside the fertilizer storage cylinder. The independent multi-control assembly is also connected to the fertilizer storage cylinder through a circulating lifting assembly, and is used to cooperate with the bottom shell to achieve support for the fertilizer storage cylinder, and cooperate with the circulating lifting assembly to achieve reciprocating lifting of the fertilizer storage cylinder, and achieve continuous impact of the fertilizer by the impact stirring unit during lifting. A two-way variable spraying assembly connected to the bottom shell is symmetrically arranged on the outer side of the independent multi-control assembly, and the two-way variable spraying assembly is connected to the bottom end wall of the fertilizer storage cylinder, and is used to achieve synchronous watering of vegetation on both sides, and cooperate with the bottom shell to achieve adjustment of the watering spacing. An automatic swing assembly is arranged on the two-way variable spraying assembly, and the automatic swing assembly is connected to the independent multi-control assembly, and is used to cooperate with the independent multi-control assembly to achieve swing spraying of the two-way variable spraying assembly, and complete comprehensive watering of the pit points.

[0007] As a further solution of the present invention: the independent multi-control component includes: an energy supply motor, a crankshaft connecting rod, a push-pull slide, a directional guide rod, a return frame, a conduction plate, a lifting rod and an annular slide groove. The energy supply motor is fixedly connected to the bottom of the inner side of the bottom shell, and the output end of the energy supply motor is fixedly connected to the crankshaft connecting rod. The other end of the crankshaft connecting rod passes through the inner side of the fertilizer storage cylinder and is connected to the impact stirring unit, which is used to cooperate with the energy supply motor to realize the stirring of the fertilizer by the impact stirring unit. A push-pull slide is arranged on the outside of the crankshaft connecting rod, and the push-pull slide is slidably connected to the directional guide rod fixedly connected to the inner side of the bottom shell. A lifting rod is arranged between the push-pull slide and the crankshaft connecting rod, and one end of the lifting rod is bent to the crankshaft connecting rod The outer side of the top of the push-pull slide is provided with a return frame slidably connected to the inner wall of the bottom shell, and a conduction plate is rotatably provided on the return frame, and the other end of the conduction plate is rotatably connected to the push-pull slide seat, and is used for cooperating with the lateral movement of the push-pull slide to realize the longitudinal reciprocating motion of the return frame, and the return frame is connected with the circulation lifting assembly, and is used for cooperating with the circulation lifting assembly to realize the vibration of the fertilizer storage cylinder. An annular slide groove connected with the automatic swing assembly is also provided on the frame wall of the return frame, which is used for cooperating with the movement of the return frame to realize the synchronous drive of the automatic swing assembly.

[0008] As a further solution of the present invention: the circulating lifting component includes: a pressure sensing box, an air pressure regulating tube, a lifting control tube, a lifting slide, a control piston and a lifting control groove, the pressure sensing box is arranged on the outer side of the top end of the return frame and is fixedly connected to the bottom shell, a plurality of air pressure regulating tubes fixedly connected to the pressure sensing box are arranged between the pressure sensing box and the return frame, a pressure regulating member fixedly connected to the return frame is slidingly connected to the inner side of the air pressure regulating tube, and is used to cooperate with the lifting and lowering of the return frame to realize the flow of air inside the pressure sensing box, a lifting slide fixedly connected to the fertilizer storage barrel is arranged on the outer side of the pressure sensing box, the lifting slide is slidingly connected to the shell wall of the top end of the bottom shell, and a lifting control groove is arranged on the inner side, a lifting control tube is arranged inside the lifting control groove, the lifting control tube is located on the outer wall of the inner pipe opening of the lifting control groove and is fixedly connected to a control piston slidingly connected to the lifting control groove, and the other end of the lifting control tube is fixedly connected to the pressure sensing box, and is used to cooperate with the air flowing inside the pressure sensing box to drive the lifting slide to move, so as to realize the lifting and lowering of the fertilizer storage barrel.

[0009] As a further solution of the present invention: The bidirectional variable spraying assembly includes: a shunt pipe, a fertilizer pump, a liquid outlet pipe, a liquid injection conduit, an L-shaped support pipe, a rotating spray pipe, a support sleeve column, a C-shaped rack, and a telescopic device. The shunt pipe is fixedly connected and arranged inside the bottom shell. The liquid injection conduit is fixedly connected to the shunt pipe. The other end of the liquid injection conduit is slidably connected to the liquid outlet pipe. The liquid outlet pipe is fixedly connected to the output end of the fertilizer pump. The fertilizer pump is fixedly connected and arranged outside the bottom end of the fertilizer storage cylinder, and the input end leads to the inside of the fertilizer storage cylinder, for realizing the transportation of the fertilizer liquid. The L-shaped support pipes are arranged on both sides of the liquid injection conduit. One end of the L-shaped support pipe is rotatably connected to the top pipe wall of the shunt pipe, and the other end leads to the outside of the bottom shell. The rotating spray pipe is rotatably connected to the outside of the pipe orifice. The rotating spray pipe is fixedly connected with a spray head and is connected to the automatic swing assembly, for cooperating with the fertilizer liquid transported by the fertilizer pump to complete the swing spraying of the fertilizer. The support sleeve column fixedly connected to the outside of the L-shaped support pipe is rotatably connected to the top shell wall of the bottom shell. The support sleeve column is also connected to the automatic swing assembly, for cooperating with the bottom shell to support the L-shaped support pipe. A rotating gear is fixedly connected to the outside of the support sleeve column. The C-shaped rack is meshed and connected to the outside of the rotating gear. The telescopic device is fixedly connected between the C-shaped rack and the bottom shell, for cooperating with the bottom shell to drive the two support sleeve columns to rotate synchronously, realizing the adjustment of the orientation of the two spray heads and completing the regulation of the spraying distance.

[0010] As a further solution of the present invention: The automatic swing assembly includes: a rotating rack, a T-shaped frame, a swing control pipe, a synchronous pressure guiding member, a positioning sliding disk, a regulation sliding plate, and an induction piston. The swing control pipe is arranged outside the L-shaped support pipe and is fixedly connected to the support sleeve column. One end of the swing control pipe is slidably connected with the synchronous pressure guiding member inside. The other end of the synchronous pressure guiding member is fixedly connected with the positioning sliding disk outside. The positioning sliding disk is slidably connected with the annular chute, for realizing the synchronous lifting and lowering of the return frame and the synchronous pressure guiding member. The other end of the swing control pipe leads to the inside of the regulation sliding plate. The regulation sliding plate is arranged outside the bottom end of the rotating spray pipe and is slidably connected with the T-shaped frame fixedly connected to the outside of the L-shaped support pipe. An induction groove is arranged inside. The induction piston fixedly connected to the outside of the swing control pipe is slidably connected with the induction groove, for cooperating with the lifting and lowering of the synchronous pressure guiding member to realize the lateral movement of the regulation sliding plate on the T-shaped frame. The rotating rack is fixedly connected to the outside of the regulation sliding plate. The rotating rack is meshed and connected with the swing gear fixedly connected to the outside of the rotating spray pipe, for cooperating with the movement of the regulation sliding plate to realize the reciprocating rotation of the rotating spray pipe.

[0011] As a further scheme of the present invention: the impact stirring and cutting unit comprises: a fixed sleeve, a supporting column, a synchronous rod, a stirring rod, a sliding sleeve, a cutting knife and a connecting rod, the supporting column is rotatably connected to the inner side of the fertilizer storage barrel, and the inner side is slidably connected to a fixed sleeve fixedly connected to the crankshaft connecting rod, a synchronous rod is symmetrically arranged between the fixed sleeve and the supporting column, the synchronous rod is fixedly connected to the supporting column, and is slidably connected to the barrel wall of the bottom end of the fixed sleeve, so as to realize the synchronous rotation of the fixed sleeve and the supporting column, and the supporting column is symmetrically arranged on the rod wall inside the fertilizer storage barrel, the stirring rod is fixedly connected to the supporting column, and is used to cooperate with the rotation of the supporting column to realize the stirring of the fertilizer inside the fertilizer storage barrel, the sliding sleeve is slidably connected to the outer side of the stirring rod, and a plurality of cutting knives are fixedly connected between the sliding sleeves, and a connecting rod is arranged between the sliding sleeve and the fixed sleeve, one end of the connecting rod is rotatably connected to the sliding sleeve, and the other end is rotatably connected to the fixed sleeve, so as to cooperate with the lifting and lowering of the fertilizer storage barrel to realize the reciprocating motion of the sliding sleeve.

[0012] As a further solution of the present invention: the impact stirring and cutting unit also includes: an impact tube, a pressure control groove and a pressure control piston. The pressure control groove is arranged on the inner side of the support column. The inner side of the pressure control groove is slidably connected with a pressure control piston fixedly connected to the crankshaft connecting rod. Impact tubes connected to the pressure control groove are arranged on both sides of the pressure control piston. The impact tubes are arranged in pairs and fixedly connected to the support column, so as to cooperate with the lifting and lowering of the pressure control piston to realize the impact on the fertilizer liquid inside the fertilizer storage cylinder.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] When the mobile fertilizer spreader is in operation, the two-way variable spraying assembly adjusts the spreading spacing on both sides, the supporting crawler drives the bottom shell to move between the vegetation on both sides, and drives the equipment to move, the independent multi-control assembly can drive the impact stirring and cutting unit to stir and cut the fertilizer inside the fertilizer storage cylinder to avoid the precipitation and agglomeration of the fertilizer, and the independent multi-control assembly can also drive the fertilizer storage cylinder to reciprocate up and down through the circulating lifting assembly, and utilize the vibration of the fertilizer storage cylinder to not only improve the stirring effect, but also drive the impact stirring and cutting unit to continuously impact the fertilizer liquid laterally, so that the fertilizer liquid inside the fertilizer storage cylinder can be fully and comprehensively stirred, the two-way variable spraying assembly extracts the fertilizer liquid inside the fertilizer storage cylinder, and simultaneously stirs both sides The independent multi-control component can also cooperate with the automatic swing component to drive the two-way variable spraying component to swing and spray, so that the sprayed fertilizer liquid can fall evenly into the pit, ensuring the effectiveness and accuracy of fertilization, and completing the continuous fertilization of vegetation on both sides. The present application sets a bilateral fixed-point spraying unit, which cooperates with the impact stirring unit to continuously stir the fertilizer located on the inner side of the fertilizer storage cylinder and can perform multiple stirring of the fertilizer, thereby avoiding the precipitation and agglomeration of the fertilizer. It can also flexibly adjust the watering spacing on both sides to ensure the accuracy of watering, improve the applicability of the equipment, and can realize swing spraying at the same time during the watering process, ensuring the comprehensiveness and effectiveness of fertilization, which is beneficial to the growth of vegetation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The schematic diagram of the structure of a mobile fertilizer spreader used for planting in sandy soil.

[0016] Figure 2 A cross-sectional view of a mobile fertilizer spreader for planting in sandy soil.

[0017] Figure 3 The schematic diagram is a structural diagram of independent multi-control components in a mobile fertilizer spreader used for planting in sandy soil.

[0018] Figure 4 A cross-sectional view of an independent multi-control assembly in a mobile fertilizer spreader for planting in sandy soil.

[0019] Figure 5 The diagram is a schematic diagram of the structure of the circulating lifting component in a mobile fertilizer spreader used for planting in sandy soil.

[0020] Figure 6 The present invention is a schematic diagram of the structure of a bidirectional variable spraying assembly in a mobile fertilizer spreader used for planting in sandy soil.

[0021] Figure 7 The present invention is a cross-sectional view of a bidirectional variable spraying assembly in a mobile fertilizer spreader for planting in sandy soil.

[0022] Figure 8Schematic structural diagram of a rotating nozzle in a mobile fertilizer applicator for sandy soil planting.

[0023] Fig. 9 Schematic structural diagram of an automatic swing component in a mobile fertilizer applicator for sandy soil planting.

[0024] Fig.10 It is Fig. 9 Enlarged structural diagram of part A in

[0025] Fig.11 Schematic structural diagram of an impact stirring and cutting unit in a mobile fertilizer applicator for sandy soil planting.

[0026] Fig.12 Cross-sectional view of an impact stirring and cutting unit in a mobile fertilizer applicator for sandy soil planting.

[0027] In the figure: 1 - bottom shell, 2 - fertilizer storage cylinder, 3 - feeding pipe, 4 - support track, 5 - impact stirring and cutting unit, 6 - bilateral fixed-point spraying unit, 7 - independent multi-control component, 8 - circulating lifting component, 9 - two-way variable spraying component, 10 - automatic swing component, 11 - power supply motor, 12 - crank connecting rod, 13 - push-pull sliding seat, 14 - directional guide rod, 15 - return-shaped frame, 16 - conduction plate, 17 - lifting rod, 18 - annular sliding groove, 19 - pressure sensing box, 20 - air pressure control pipe, 21 - pressure regulating part, 22 - lifting control pipe, 23 - lifting sliding seat, 24 - control piston, 25 - lifting control groove, 26 - shunt pipe, 27 - fertilizer pump, 28 - liquid outlet pipe, 29 - liquid injection conduit, 30 - L-shaped support pipe, 31 - rotating nozzle, 32 - spray head, 33 - support sleeve column, 34 - C-shaped rack, 35 - telescopic device, 36 - rotating rack, 37 - T-shaped frame, 38 - swing control pipe, 39 - synchronous pressure guiding part, 40 - positioning sliding disk, 41 - sensing piston, 42 - fixed sleeve, 43 - support column, 44 - synchronous rod, 45 - stirring rod, 46 - sliding sleeve, 47 - cutting knife, 48 - connecting rod, 49 - impact pipe, 50 - pressure control groove, 51 - pressure control piston, 52 - swing gear, 53 - regulating sliding plate. Detailed implementation manners

[0028] The technical solutions of the present application will be further described in detail below in conjunction with the specific implementation manners.

[0029] The embodiments of the present application are described in detail below. The examples of the embodiments are shown in the drawings, in which the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application and should not be construed as a limitation to the present application.

[0030] Please refer to Figure 1 and Figure 2 In one embodiment of the present invention, a mobile fertilizer spreader for planting in sandy soil includes: a bottom shell 1; a support crawler 4, which is symmetrically arranged on the outside of the bottom shell 1 and fixedly connected to the bottom shell 1, and is used to support the bottom shell 1 and realize the stable movement of the fertilizer spreader on the sandy soil; a fertilizer storage cylinder 2, which is arranged on the outside of the top of the bottom shell 1, and a delivery pipe 3 is fixedly connected to the top cylinder wall; a bilateral fixed-point spraying unit 6, which is arranged between the bottom shell 1 and the fertilizer storage cylinder 2, connected to the bottom shell 1, and connected to the bottom wall of the fertilizer storage cylinder 2, used to cooperate with the movement of the bottom shell 1 to achieve synchronous fixed-point fertilization of the vegetation on both sides, and synchronously achieve the reciprocating lifting of the fertilizer storage cylinder 2; the impact stirring and cutting unit 5, the impact stirring and cutting unit 5 is rotatably connected and arranged on the inner side of the fertilizer storage cylinder 2, and is connected to the bilateral fixed-point spraying unit 6, used to cooperate with the bilateral fixed-point spraying unit 6 to achieve stirring and cutting of the fertilizer located inside the fertilizer storage cylinder 2; wherein, the bilateral fixed-point spraying unit 6 includes: an independent multi-control component 7, a circulating lifting component 8, a two-way variable spraying assembly 9 and an automatic swing assembly 10, the independent multi-control assembly 7 is fixedly connected to the inner side of the bottom shell 1, connected to the impact stirring unit 5, and used to drive the impact stirring unit 5 to rotate to achieve the stirring of the fertilizer inside the fertilizer storage cylinder 2. The independent multi-control assembly 7 is also connected to the fertilizer storage cylinder 2 through a circulating lifting assembly 8, and is used to cooperate with the bottom shell 1 to achieve the support of the fertilizer storage cylinder 2, and cooperate with the circulating lifting assembly 8 to achieve the reciprocating lifting of the fertilizer storage cylinder 2, and realize the continuous impact of the fertilizer by the impact stirring unit 5 during the lifting. The independent multi-control component 7 is symmetrically provided with a two-way variable spraying component 9 connected to the bottom shell 1 on the outside. The two-way variable spraying component 9 is connected to the bottom wall of the fertilizer storage cylinder 2 for realizing synchronous watering of the vegetation on both sides and cooperating with the bottom shell 1 to realize the adjustment of the watering interval. The two-way variable spraying component 9 is provided with an automatic swing component 10, which is connected to the independent multi-control component 7 and is used to cooperate with the independent multi-control component 7 to realize the swing spraying of the two-way variable spraying component 9 to complete the comprehensive watering of the pit points.

[0031] In this embodiment, when the mobile fertilizer spreader is in operation, the bidirectional variable spraying assembly 9 adjusts the watering spacing on both sides, the supporting crawler 4 drives the bottom shell 1 to move between the vegetation on both sides, and drives the equipment to move, the independent multi-control assembly 7 can drive the impact stirring unit 5 to stir and cut the fertilizer located inside the fertilizer storage cylinder 2 to avoid the precipitation and agglomeration of the fertilizer, and the independent multi-control assembly 7 can also drive the fertilizer storage cylinder 2 to reciprocate up and down through the circulating lifting assembly 8. By utilizing the vibration of the fertilizer storage cylinder 2, not only the stirring effect can be improved, but also the impact stirring unit 5 can be driven to continuously perform lateral impact on the fertilizer liquid, so that the fertilizer liquid located inside the fertilizer storage cylinder 2 can be fully and comprehensively stirred, and the bidirectional variable spraying assembly 9 extracts the fertilizer liquid located inside the fertilizer storage cylinder 2 , and at the same time, the vegetation on both sides is watered. The independent multi-control component 7 can also cooperate with the automatic swing component 10 to drive the two-way variable spraying component 9 to swing and spray, so that the sprayed fertilizer liquid can fall evenly into the pit position, ensuring the effectiveness and accuracy of fertilization, and completing the continuous fertilization of the vegetation on both sides. The present application sets a bilateral fixed-point spraying unit 6, which cooperates with the impact stirring unit 5 to continuously stir the fertilizer located on the inner side of the fertilizer storage cylinder 2, and can perform multiple stirring on the fertilizer, thereby avoiding the precipitation and agglomeration of the fertilizer. It can also flexibly adjust the watering spacing on both sides to ensure the accuracy of watering, improve the applicability of the equipment, and can simultaneously realize swing spraying during the watering process, ensuring the comprehensiveness and effectiveness of fertilization, which is beneficial to the growth of vegetation.

[0032] In one embodiment of the present invention, please refer to Figure 3 and Figure 4The independent multi-control component 7 includes: an energy supply motor 11, a crankshaft connecting rod 12, a push-pull slide 13, a directional guide rod 14, a return frame 15, a conduction plate 16, a lifting rod 17 and an annular slide groove 18. The energy supply motor 11 is fixedly connected to the bottom of the inner side of the bottom shell 1, and the output end of the energy supply motor 11 is fixedly connected to the crankshaft connecting rod 12. The other end of the crankshaft connecting rod 12 passes through the inner side of the fertilizer storage cylinder 2 and is connected to the impact stirring unit 5, which is used to cooperate with the energy supply motor 11 to achieve the stirring of the fertilizer by the impact stirring unit 5. A push-pull slide 13 is arranged on the outer side of the crankshaft connecting rod 12. The push-pull slide 13 is slidably connected to the directional guide rod 14 fixedly connected to the inner side of the bottom shell 1. A lifting rod 17 is arranged between the push-pull slide 13 and the crankshaft connecting rod 12, and one end of the lifting rod 17 is bent with the crankshaft connecting rod 12 The first end is rotatably connected to the second end, and the other end is rotatably connected to the push-pull slide 13 through a rotating shaft, which is used to cooperate with the rotation of the crankshaft connecting rod 12 to realize the reciprocating motion of the push-pull slide 13 on the directional guide rod 14. A return frame 15 slidably connected to the inner wall of the bottom shell 1 is provided on the outer side of the top of the push-pull slide 13. A conduction plate 16 is rotatably connected on the return frame 15. The other end of the conduction plate 16 is rotatably connected to the push-pull slide 13, which is used to cooperate with the lateral movement of the push-pull slide 13 to realize the longitudinal reciprocating motion of the return frame 15. The return frame 15 is connected to the circulating lifting assembly 8, which is used to cooperate with the circulating lifting assembly 8 to realize the vibration of the fertilizer storage cylinder 2. An annular slide groove 18 connected to the automatic swing assembly 10 is also provided on the frame wall of the return frame 15, which is used to cooperate with the movement of the return frame 15 to realize the synchronous drive of the automatic swing assembly 10.

[0033] In this embodiment, the directional guide rod 14 is symmetrically arranged on the inner side of the bottom shell 1 and is fixedly connected to the bottom shell 1. The energy supply motor 11 controls the crankshaft connecting rod 12 to rotate. The crankshaft connecting rod 12 can drive the impact stirring unit 5 to rotate to stir the fertilizer located inside the fertilizer storage cylinder 2. The crankshaft connecting rod 12 can also drive the push-pull slide 13 to reciprocate along the directional guide rod 14 through the lifting rod 17. The push-pull slide 13 drives the return frame 15 to reciprocate up and down along the inner wall of the bottom shell 1 through the conduction plate 16. The return frame 15 can complete the circulation lifting process on the one hand. The driving of the lowering component 8 is realized by utilizing the circulating lifting component 8 to realize the longitudinal reciprocating motion of the fertilizer storage cylinder 2. On the other hand, the return frame 15 can complete the driving of the automatic swing component 10 through the annular slide groove 18, and utilize the automatic swing component 10 to drive the two-way variable spraying component 9 to swing and spray. By setting an independent multi-control component 7, not only can the driving of the impact stirring and cutting unit 5 be completed, but also the driving of the circulating lifting component 8 and the automatic swing component 10 can be completed synchronously, which greatly improves the fertilization effect of the equipment, effectively reduces the difficulty of operating the equipment, and is convenient to use.

[0034] In one embodiment of the present invention, please refer to Figure 5The circulation lifting assembly 8 includes: a pressure sensing box 19, an air pressure regulating tube 20, a lifting control tube 22, a lifting slide 23, a control piston 24 and a lifting control groove 25. The pressure sensing box 19 is arranged on the outer side of the top of the return frame 15 and is fixedly connected to the bottom shell 1. A plurality of air pressure regulating tubes 20 fixedly connected to the pressure sensing box 19 are arranged between the pressure sensing box 19 and the return frame 15. A pressure regulating member 21 fixedly connected to the return frame 15 is arranged on the inner side of the air pressure regulating tube 20 in a sliding connection, which is used to cooperate with the lifting of the return frame 15 to realize the flow of air inside the pressure sensing box 19 A lifting slide 23 fixedly connected to the fertilizer storage cylinder 2 is arranged on the outside of the pressure sensing box 19, the lifting slide 23 is slidably connected to the top shell wall of the bottom shell 1, and a lifting control groove 25 is arranged on the inside, and a lifting control pipe 22 is arranged inside the lifting control groove 25. The lifting control pipe 22 is located on the outer wall of the inner pipe mouth of the lifting control groove 25 and is fixedly connected to a control piston 24 slidably connected to the lifting control groove 25. The other end of the lifting control pipe 22 is fixedly connected to the pressure sensing box 19, and is used to cooperate with the air flowing inside the pressure sensing box 19 to drive the lifting slide 23 to move, so as to realize the lifting and lowering of the fertilizer storage cylinder 2.

[0035] In this embodiment, the pressure regulating member 21 includes a first piston slidably connected to the inner side of the air pressure regulating tube 20 and a first push rod fixedly connected to the first piston. The other end of the first push rod is fixedly connected to the return frame 15. During the lifting process, the return frame 15 will drive the first piston to synchronously lift and lower the inner side of the air pressure regulating tube 20 to realize the flow of air inside the pressure sensing box 19. The air inside the pressure sensing box 19 enters the inner side of the lifting control groove 25 along the lifting control tube 22, and cooperates with the control piston 24 to drive the lifting slide 23 to lift and lower along the shell wall of the bottom shell 1. The lifting slide 23 drives the fertilizer storage cylinder 2 to move, realizing the vibration of the fertilizer storage cylinder 2, so that the impact stirring and cutting unit 5 can more comprehensively stir the fertilizer located inside the fertilizer storage cylinder 2. By setting a circulating lifting component 8, the independent multi-control component 7 can be cooperated to realize the longitudinal reciprocating motion of the fertilizer storage cylinder 2, which is beneficial to improving the stirring effect of the equipment on the fertilizer, effectively avoiding fertilizer agglomeration, ensuring the fertilization effect, and improving the stability of the equipment during use.

[0036] In one embodiment of the present invention, please refer to Figure 6 , Figure 7 and Figure 8, the bidirectional variable spraying assembly 9 includes: a flow dividing pipe 26, a fertilizer pump 27, a liquid outlet pipe 28, a liquid injection conduit 29, an L-shaped support pipe 30, a rotating spray pipe 31, a support sleeve column 33, a C-shaped rack 34 and an expander 35. The flow dividing pipe 26 is fixedly connected and arranged inside the bottom shell 1. The liquid injection conduit 29 is fixedly connected to the flow dividing pipe 26. The other end of the liquid injection conduit 29 is slidably connected to the liquid outlet pipe 28. The liquid outlet pipe 28 is fixedly connected to the output end of the fertilizer pump 27. The fertilizer pump 27 is fixedly connected and arranged on the outer side of the bottom end of the fertilizer storage cylinder 2, and the input end leads to the inside of the fertilizer storage cylinder 2 for realizing the transportation of the fertilizer liquid. L-shaped support pipes 30 are arranged on both sides of the liquid injection conduit 29. One end of the L-shaped support pipe 30 is rotatably connected to the top pipe wall of the flow dividing pipe 26, and the other end leads to the outside of the bottom shell 1. A rotating spray pipe 31 is rotatably connected to the outside of the pipe orifice. A spray head 32 is fixedly connected to the rotating spray pipe 31 and is connected to the automatic swing assembly 10 for cooperating with the fertilizer liquid transported by the fertilizer pump 27 to complete the swinging spraying of the fertilizer. An L-shaped support pipe 30 is fixedly connected to the outside of the support sleeve column 33 which is rotatably connected to the top shell wall of the bottom shell 1. The support sleeve column 33 is also connected to the automatic swing assembly 10 for cooperating with the bottom shell 1 to support the L-shaped support pipe 30. A rotating gear is fixedly connected to the outside of the support sleeve column 33. A C-shaped rack 34 is meshed and connected to the outside of the rotating gear. An expander 35 is fixedly connected between the C-shaped rack 34 and the bottom shell 1 for cooperating with the bottom shell 1 to drive the two support sleeve columns 33 to rotate synchronously, realizing the adjustment of the orientations of the two spray heads 32 and completing the regulation of the spraying spacing.

[0037] In this embodiment, one end of the expander 35 is fixedly connected to the inner wall of the bottom case 1, and the other end is fixedly connected to the C-shaped rack 34. The expander 35 is an electric telescopic rod. The expander 35 can drive the C-shaped rack 34 to move. The C-shaped rack 34 cooperates with the rotating gear to realize the rotation of the support sleeve column 33. The support sleeve column 33 drives the L-shaped support pipe 30 to rotate synchronously. Among them, the center of the pipe part at the connection of the L-shaped support pipe 30 and the support sleeve column 33 coincides with the center of the support sleeve column 33. The other end of the L-shaped support pipe 30 drives the rotating spray pipe 31 to rotate, so as to adjust the orientation of the spray head 32 on the rotating spray pipe 31. The distance at which the fertilizer is sprayed out from the spray head 32 is certain. By adjusting the orientation of the spray head 32, the spraying distance can be adjusted, so that the equipment can synchronously water and sprinkle the vegetation on both sides of different sites. The fertilizer pump 27 pumps the fertilizer liquid inside the fertilizer storage cylinder 2, and enters the inside of the shunt pipe 26 along the liquid outlet pipe 28 and the liquid injection conduit 29, and then enters the corresponding rotating spray pipe 31 inside along the L-shaped support pipe 30 and is sprayed out from the spray head 32. During the lifting process, the return frame 15 can drive the automatic swing assembly 10. The automatic swing assembly 10 can cooperate with the rotating gear to drive the rotating spray pipe 31 to rotate, realizing swing spraying, thereby increasing the spraying range, so that the fertilizer can be evenly spread inside the pit穴位 (it is not clear what "穴位" specifically refers to here, perhaps it should be a specific term in the relevant field), ensuring the comprehensiveness of fertilization. By setting the two-way variable spraying assembly 9, it can fertilize the vegetation on both sides at the same time and can adjust the spraying distance according to requirements, so that the equipment can perform positioning watering and sprinkling on the vegetation under different sites, and can also cooperate with the automatic swing assembly 10 and the independent multi-control assembly 7 to realize the reciprocating rotation of the rotating spray pipe 31, thereby increasing the spraying range of the equipment, so that the fertilizer can be evenly spread inside the pit穴位, ensuring the comprehensiveness of fertilization.

[0038] In one embodiment of the present invention, please refer to Fig. 9 and Fig.10 It should be noted that there may be an inaccuracy in the translation of "穴位" as it is not clear what it specifically means in this context. It may need to be adjusted according to the accurate technical term in the relevant field.The automatic swing assembly 10 includes: a rotating rack 36, a T-frame 37, a swing control tube 38, a synchronous pressure guide 39, a positioning slide 40, a regulating slide 53 and a sensing piston 41. The swing control tube 38 is arranged on the outside of the L-shaped support tube 30 and is fixedly connected to the support sleeve 33. The inner side of one end of the swing control tube 38 is slidably connected with a synchronous pressure guide 39, and the outer side of the other end of the synchronous pressure guide 39 is fixedly connected with a positioning slide 40. The positioning slide 40 is slidably connected with the annular slide 18 to realize the synchronous lifting and lowering of the return frame 15 and the synchronous pressure guide 39. The other end of the swing control tube 38 is connected to the regulating slide 5 3, a regulating slide plate 53 is arranged on the outside of the bottom end of the rotating nozzle 31, and is slidably connected to the T-shaped frame 37 fixedly connected to the outside of the L-shaped support tube 30. A sensing groove is arranged on the inside, and the sensing groove is slidably connected to the sensing piston 41 fixedly connected to the outside of the swing control tube 38, which is used to cooperate with the lifting and lowering of the synchronous pressure guide 39 to realize the lateral movement of the regulating slide plate 53 on the T-shaped frame 37. A rotating rack 36 is fixedly connected to the outside of the regulating slide plate 53, and the rotating rack 36 is meshed with the swing gear 52 fixedly connected to the outside of the rotating nozzle 31, which is used to cooperate with the movement of the regulating slide plate 53 to realize the reciprocating rotation of the rotating nozzle 31.

[0039] In this embodiment, the synchronous pressure guide 39 includes a second piston slidably connected to the inner side of the swing control tube 38 and a second push rod fixedly connected to the second piston. The other end of the second push rod is fixedly connected to the positioning slide 40. The positioning slide 40 is slidably connected to the inner side of the annular slide groove 18. During the lifting and lowering of the return frame 15, the annular slide groove 18 cooperates with the positioning slide 40 to drive the second piston to synchronously lift and lower the inner side of the swing control tube 38. The second piston drives the air inside the swing control tube 38 to enter the inner side of the sensing groove, and cooperates with the sensing piston 41 to drive the regulating slide plate 53 to reciprocate along the T-frame 37. The regulating slide plate 53 drives the rotating nozzle 31 to rotate alternately clockwise and counterclockwise through the rotating rack 36 and the swing gear 52 to complete the swing spraying of the fertilizer. By setting the automatic swing assembly 10, it can cooperate with the independent multi-control assembly 7 to realize swing spraying, thereby improving the spraying range of the equipment, so that the fertilizer can be evenly sprinkled into the inner side of the pit point to ensure the comprehensiveness of fertilization.

[0040] In one embodiment of the present invention, please refer to Fig.11 and Fig.12The impact stirring and cutting unit 5 includes: a fixed sleeve 42, a support column 43, a synchronization rod 44, a stirring rod 45, a sliding sleeve 46, a cutting knife 47 and a connecting rod 48. The support column 43 is rotatably connected to the inner side of the fertilizer storage cylinder 2, and the inner side is slidably connected to the fixed sleeve 42 fixedly connected to the crankshaft connecting rod 12. A synchronization rod 44 is symmetrically arranged between the fixed sleeve 42 and the support column 43. The synchronization rod 44 is fixedly connected to the support column 43 and slidably connected to the bottom end wall of the fixed sleeve 42 to achieve synchronous rotation of the fixed sleeve 42 and the support column 43. The support column 43 A stirring rod 45 is symmetrically arranged on the rod wall inside the fertilizer storage barrel 2, and the stirring rod 45 is fixedly connected to the support column 43, and is used to cooperate with the rotation of the support column 43 to achieve stirring of the fertilizer inside the fertilizer storage barrel 2, and a sliding sleeve 46 is slidably connected to the outside of the stirring rod 45, and a plurality of cutting knives 47 are fixedly connected between the sliding sleeves 46, and a connecting rod 48 is arranged between the sliding sleeve 46 and the fixed sleeve 42, and one end of the connecting rod 48 is rotatably connected to the sliding sleeve 46, and the other end is rotatably connected to the fixed sleeve 42, and is used to cooperate with the lifting and lowering of the fertilizer storage barrel 2 to achieve the reciprocating motion of the sliding sleeve 46.

[0041] In this embodiment, cutting knives 47 are fixedly connected on both sides of the sliding sleeve 46, and adjacent sliding sleeves 46 are connected by the cutting knives 47. The crankshaft connecting rod 12 can drive the fixed sleeve 42 to rotate, and the fixed sleeve 42 can cooperate with the synchronous rod 44 to drive the supporting column 43 to rotate synchronously, and the supporting column 43 drives the stirring rod 45 to rotate, so as to stir the fertilizer located inside the fertilizer storage cylinder 2. The stirring rod 45 can also cooperate with the sliding sleeve 46 to drive the cutting knives 47 to rotate synchronously to crush the fertilizer, effectively avoiding fertilizer agglomeration. During the lifting and lowering of the fertilizer storage cylinder 2, the fertilizer storage cylinder 2 will drive the supporting column 43 to lift and lower synchronously, and the height of the fixed sleeve 42 remains unchanged. The fixed sleeve 42 cooperates with the connecting rod 48 to drive the sliding sleeve 46 to reciprocate along the stirring rod 45, further improving the stirring capacity of the equipment. By setting the impact stirring and cutting unit 5, the fertilizer located inside the fertilizer storage cylinder 2 can be continuously stirred, and the fertilizer can be stirred multiple times, thereby avoiding the precipitation and agglomeration of the fertilizer and ensuring the effectiveness of fertilization.

[0042] In one embodiment of the present invention, please refer to Fig.11 and Fig.12 The impact stirring and cutting unit 5 also includes: an impact tube 49, a pressure control groove 50 and a pressure control piston 51. The pressure control groove 50 is arranged on the inner side of the support column 43. The inner side of the pressure control groove 50 is slidably connected with a pressure control piston 51 fixedly connected to the crankshaft connecting rod 12. Impact tubes 49 connected to the pressure control groove 50 are arranged on both sides of the pressure control piston 51. The impact tubes 49 are arranged in pairs and fixedly connected to the support column 43, and are used to cooperate with the lifting and lowering of the pressure control piston 51 to realize the impact on the fertilizer liquid inside the fertilizer storage cylinder 2.

[0043] In this embodiment, the fixed sleeve 42 is provided with an opening for the impact tube 49 to pass through, wherein a sealing ring is provided on the outer side of the bottom end of the lowermost opening, and the sealing ring is provided between the fixed sleeve 42 and the support column 43, thereby ensuring the sealing of the equipment when in use. When the support column 43 is raised and lowered along with the fertilizer storage cylinder 2, the pressure control piston 51 provided on the crankshaft connecting rod 12 moves up and down on the inner side of the pressure control groove 50. When the pressure control piston 51 moves downward, the impact tube 49 located above the pressure control piston 51 extracts the fertilizer liquid, and the impact tube 49 located below the pressure control piston 51 completes the injection of the fertilizer liquid, thereby realizing the rapid flow of the fertilizer liquid inside the fertilizer storage cylinder 2, so that the fertilizer can be fully stirred, thereby greatly improving the stirring efficiency of the equipment.

[0044] The mobile fertilizer spreader for planting in sandy soil can continuously stir the fertilizer inside the fertilizer storage tube 2 by setting a bilateral fixed-point spraying unit 6 and cooperating with the impact stirring and cutting unit 5, and can perform multiple stirring on the fertilizer, thereby avoiding the precipitation and agglomeration of the fertilizer. It can also flexibly adjust the spreading spacing on both sides to ensure the accuracy of spreading and improve the applicability of the equipment. It can also realize swing spraying during the spreading process, thereby ensuring the comprehensiveness and effectiveness of fertilization and facilitating the growth of vegetation. By setting an independent multi-control component 7, it can not only complete the driving of the impact stirring and cutting unit 5, but also synchronously complete the driving of the circulation lifting component 8 and the automatic swing component 10, thereby greatly improving the fertilization effect of the equipment, and effectively reducing the difficulty of controlling the equipment, making it convenient to use. By setting a circulation lifting component 8, it can cooperate with the independent multi-control component 7 to realize the longitudinal reciprocating motion of the fertilizer storage tube 2, which is beneficial to improving the stirring effect of the equipment on the fertilizer, effectively avoiding the agglomeration of the fertilizer, ensuring the fertilization effect, and improving the stability of the equipment when in use. The two-way variable spraying assembly 9 can fertilize the vegetation on both sides at the same time, and the spraying interval can be adjusted according to the needs, so that the equipment can be positioned and sprinkled on the vegetation in different places, and the automatic swing assembly 10 and the independent multi-control assembly 7 can be used to realize the reciprocating rotation of the rotating nozzle 31, thereby improving the spraying range of the equipment, so that the fertilizer can be evenly sprinkled into the inner side of the pit, ensuring the comprehensiveness of the fertilization, and the impact stirring and cutting unit 5 can be set to the inner side of the fertilizer storage cylinder 2. The fertilizer is continuously stirred. When the support column 43 is raised and lowered along with the fertilizer storage cylinder 2, the pressure-controlling piston 51 arranged on the crankshaft connecting rod 12 moves up and down inside the pressure-controlling groove 50. When the pressure-controlling piston 51 moves downward, the impact tube 49 located above the pressure-controlling piston 51 extracts the fertilizer liquid, and the impact tube 49 located below the pressure-controlling piston 51 completes the injection of the fertilizer liquid, thereby realizing the rapid flow of the fertilizer liquid inside the fertilizer storage cylinder 2, so that the fertilizer can be fully stirred, thereby greatly improving the stirring efficiency of the equipment.

[0045] The above are only preferred embodiments of the present invention. It should be pointed out that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present invention. These should also be regarded as the protection scope of the present invention. These will not affect the effect of the implementation of the present invention and the practicality of the patent.

Claims

1. A mobile fertilizer applicator for planting in sandy soil, characterized in that: include: Bottom shell; Support crawlers, which are symmetrically arranged on the outside of the bottom shell and fixedly connected to the bottom shell to support the bottom shell and realize stable movement of the fertilizer spreader on sandy soil; A fertilizer storage cylinder, which is arranged on the outer side of the top of the bottom shell, and a delivery pipe is fixedly connected to the top cylinder wall; A bilateral fixed-point spraying unit, which is arranged between the bottom shell and the fertilizer storage cylinder, connected to the bottom shell and connected to the cylinder wall at the bottom end of the fertilizer storage cylinder, and is used to cooperate with the movement of the bottom shell to realize synchronous fixed-point fertilization of vegetation on both sides, and synchronously realize the reciprocating lifting and lowering of the fertilizer storage cylinder; An impact stirring and cutting unit, which is rotatably connected to the inner side of the fertilizer storage cylinder and is connected to the bilateral fixed-point spraying unit, and is used to cooperate with the bilateral fixed-point spraying unit to achieve stirring and cutting of the fertilizer inside the fertilizer storage cylinder; Wherein, the bilateral fixed-point spraying unit comprises: an independent multi-control component, a circulating lifting component, a bidirectional variable spraying component and an automatic swing component. The independent multi-control component is fixedly connected and arranged on the inner side of the bottom shell, and is connected to the impact stirring unit, and is used to drive the impact stirring unit to rotate to achieve stirring of the fertilizer located inside the fertilizer storage cylinder. The independent multi-control component is also connected to the fertilizer storage cylinder through the circulating lifting component, and is used to cooperate with the bottom shell to realize the support of the fertilizer storage cylinder, and cooperate with the circulating lifting component to realize the reciprocating lifting of the fertilizer storage cylinder, and realize the continuous impact of the impact stirring unit on the fertilizer during the lifting. The outer side of the independent multi-control component is symmetrically provided with a bidirectional variable spraying component connected to the bottom shell, and the bidirectional variable spraying component is connected to the bottom end cylinder wall of the fertilizer storage cylinder, and is used to realize the synchronous watering of the vegetation on both sides, and cooperate with the bottom shell to realize the adjustment of the watering spacing. The bidirectional variable spraying component is provided with an automatic swing component, and the automatic swing component is connected to the independent multi-control component, and is used to cooperate with the independent multi-control component to realize the swing spraying of the bidirectional variable spraying component, so as to complete the comprehensive watering of the pit points.

2. The mobile fertilizer applicator for sandy soil planting according to claim 1, characterized in that: The independent multi-control component includes: an energy supply motor, a crankshaft connecting rod, a push-pull slide, a directional guide rod, a return frame, a conduction plate, a lifting rod and an annular slide groove. The energy supply motor is fixedly connected to the bottom of the inner side of the bottom shell, the output end of the energy supply motor is fixedly connected to the crankshaft connecting rod, the other end of the crankshaft connecting rod is connected to the inner side of the fertilizer storage cylinder, and is connected to the impact stirring unit for cooperating with the energy supply motor to achieve the stirring of the fertilizer by the impact stirring unit. A push-pull slide is arranged on the outer side of the crankshaft connecting rod, and the push-pull slide is slidably connected to the directional guide rod fixedly connected to the inner side of the bottom shell. A lifting rod is arranged between the push-pull slide and the crankshaft connecting rod, and one end of the lifting rod is rotatably connected to the bent part of the crankshaft connecting rod. The other end is rotatably connected to the push-pull slide through a rotating shaft, and is used to cooperate with the rotation of the crankshaft connecting rod to realize the reciprocating motion of the push-pull slide on the directional guide rod. A return frame slidably connected to the inner wall of the bottom shell is provided on the outer side of the top of the push-pull slide, and a conduction plate is rotatably connected on the return frame. The other end of the conduction plate is rotatably connected to the push-pull slide, and is used to cooperate with the lateral movement of the push-pull slide to realize the longitudinal reciprocating motion of the return frame. The return frame is connected to the circulating lifting assembly, and is used to cooperate with the circulating lifting assembly to realize the vibration of the fertilizer storage cylinder. An annular slide groove connected to the automatic swing assembly is also provided on the frame wall of the return frame, which is used to cooperate with the movement of the return frame to realize the synchronous drive of the automatic swing assembly.

3. The mobile fertilizer applicator for sandy soil planting according to claim 2, characterized in that: The circulating lifting component comprises: a pressure sensing box, an air pressure regulating tube, a lifting control tube, a lifting slide, a control piston and a lifting control groove, wherein the pressure sensing box is arranged on the outer side of the top end of the return frame and is fixedly connected to the bottom shell, and a plurality of air pressure regulating tubes fixedly connected to the pressure sensing box are arranged between the pressure sensing box and the return frame, and a pressure regulating member fixedly connected to the return frame is slidingly connected to the inner side of the air pressure regulating tube, which is used to cooperate with the lifting and lowering of the return frame to realize the flow of air inside the pressure sensing box, a lifting slide fixedly connected to the fertilizer storage cylinder is arranged on the outer side of the pressure sensing box, the lifting slide is slidingly connected to the shell wall of the top end of the bottom shell, and a lifting control groove is arranged on the inner side, and a lifting control tube is arranged inside the lifting control groove, and the lifting control tube is fixedly connected on the outer wall of the inner pipe opening of the lifting control groove, and a control piston slidingly connected to the lifting control groove is arranged, and the other end of the lifting control tube is fixedly connected to the pressure sensing box, which is used to cooperate with the air flowing inside the pressure sensing box to drive the lifting slide to move, so as to realize the lifting and lowering of the fertilizer storage cylinder.

4. The mobile fertilizer applicator for sandy soil planting according to claim 3, characterized in that: The bidirectional variable spraying assembly includes: a shunt pipe, a fertilizer pump, a liquid outlet pipe, a liquid injection conduit, an L-shaped support pipe, a rotating spray pipe, a support sleeve column, a C-shaped rack, and a telescopic device. The shunt pipe is fixedly connected and arranged inside the bottom shell. The liquid injection conduit is fixedly connected to the shunt pipe, and the other end of the liquid injection conduit is slidably connected to the liquid outlet pipe. The liquid outlet pipe is fixedly connected to the output end of the fertilizer pump. The fertilizer pump is fixedly connected and arranged outside the bottom end of the fertilizer storage cylinder, and its input end leads to the inside of the fertilizer storage cylinder, which is used to realize the transportation of the fertilizer liquid. L-shaped support pipes are arranged on both sides of the liquid injection conduit. One end of the L-shaped support pipe is rotatably connected to the top pipe wall of the shunt pipe, and the other end leads to the outside of the bottom shell. A rotating spray pipe is rotatably connected to the outside of the pipe orifice. A spray head is fixedly connected to the rotating spray pipe and is connected to the automatic swing assembly, which is used to cooperate with the fertilizer liquid transported by the fertilizer pump to complete the swinging spraying of the fertilizer. An L-shaped support pipe is fixedly connected to the outside of the support sleeve column, which is rotatably connected to the top shell wall of the bottom shell. The support sleeve column is also connected to the automatic swing assembly, which is used to cooperate with the bottom shell to support the L-shaped support pipe. A rotating gear is fixedly connected to the outside of the support sleeve column, and a C-shaped rack is meshed and connected to the outside of the rotating gear. A telescopic device is fixedly connected between the C-shaped rack and the bottom shell, which is used to cooperate with the bottom shell to drive the two support sleeve columns to rotate synchronously, realize the adjustment of the orientation of the two spray heads, and complete the control of the spraying interval.

5. The mobile fertilizer applicator for sandy soil planting according to claim 4, characterized in that: The automatic swing assembly includes: a rotating rack, a T-shaped frame, a swing control pipe, a synchronous pressure guiding member, a positioning sliding disk, a control sliding plate, and an induction piston. The swing control pipe is arranged outside the L-shaped support pipe and is fixedly connected to the support sleeve column. A synchronous pressure guiding member is slidably connected to the inside of one end of the swing control pipe. A positioning sliding disk is fixedly connected to the outside of the other end of the synchronous pressure guiding member. The positioning sliding disk is slidably connected to the annular chute, which is used to realize the synchronous lifting of the return frame and the synchronous pressure guiding member. The other end of the swing control pipe leads to the inside of the control sliding plate. The control sliding plate is arranged outside the bottom end of the rotating spray pipe and is slidably connected to the T-shaped frame fixedly connected to the outside of the L-shaped support pipe. An induction groove is arranged inside, and the induction groove is slidably connected to the induction piston fixedly connected to the outside of the swing control pipe, which is used to cooperate with the lifting of the synchronous pressure guiding member to realize the horizontal movement of the control sliding plate on the T-shaped frame. A rotating rack is fixedly connected to the outside of the control sliding plate, and the rotating rack is meshed and connected to the swing gear fixedly connected to the outside of the rotating spray pipe, which is used to cooperate with the movement of the control sliding plate to realize the reciprocating rotation of the rotating spray pipe.

6. The mobile fertilizer applicator for sandy soil planting according to claim 2, characterized in that: The impact stirring and cutting unit comprises: a fixed sleeve, a supporting column, a synchronous rod, a stirring rod, a sliding sleeve, a cutting knife and a connecting rod. The supporting column is rotatably connected to the inner side of the fertilizer storage barrel, and a fixed sleeve fixedly connected to the crankshaft connecting rod is slidably connected to the inner side. A synchronous rod is symmetrically arranged between the fixed sleeve and the supporting column. The synchronous rod is fixedly connected to the supporting column and is slidably connected to the barrel wall at the bottom end of the fixed sleeve, so as to realize the synchronous rotation of the fixed sleeve and the supporting column. The supporting column is symmetrically provided with stirring rods on the rod wall inside the fertilizer storage barrel, and the stirring rod is fixedly connected to the supporting column, so as to cooperate with the rotation of the supporting column to realize the stirring of the fertilizer inside the fertilizer storage barrel, and a sliding sleeve is slidably connected to the outer side of the stirring rod, and a plurality of cutting knives are fixedly connected between the sliding sleeves. A connecting rod is arranged between the sliding sleeve and the fixed sleeve, and one end of the connecting rod is rotatably connected to the sliding sleeve, and the other end is rotatably connected to the fixed sleeve, so as to cooperate with the lifting and lowering of the fertilizer storage barrel to realize the reciprocating motion of the sliding sleeve.

7. The mobile fertilizer applicator for sandy soil planting according to claim 6, characterized in that: The impact stirring and cutting unit also includes: an impact tube, a pressure control groove and a pressure control piston. The pressure control groove is arranged on the inner side of the support column. A pressure control piston fixedly connected to the crankshaft connecting rod is slidably connected to the inner side of the pressure control groove. Impact tubes connected to the pressure control groove are arranged on both sides of the pressure control piston. The impact tubes are arranged in pairs and fixedly connected to the support column to cooperate with the lifting and lowering of the pressure control piston to realize the impact on the fertilizer liquid inside the fertilizer storage cylinder.

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