Rope-driven greenhouse air-assisted spraying device

Abstract

The utility model discloses a rope-driven greenhouse air supply spraying device, which belongs to the technical field of greenhouse spraying devices and comprises a spraying component and a driving component. The spraying assembly comprises an air duct lifting part, a liquid medicine spraying part, a liquid medicine supply part and a driving connection part, and is used for detecting whether crops exist or not, providing liquid medicine to form vaporific liquid medicine and sending the vaporific liquid medicine to a target crop position; the driving assembly comprises a driving part and a driving rope, is fixed on a truss around the greenhouse through a fixing frame and is connected with the spraying assembly through the driving rope, and driving force needed by movement of the movable platform in the working space is provided. According to the utility model, the spraying efficiency is expected to be further improved, the liquid medicine waste is reduced, and the spraying problem of narrow crop row spacing in greenhouse tomato planting is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of greenhouse target spraying, in particular to a rope-driven greenhouse wind-conveying spraying device. Background Art

[0002] The wind-conveying spraying device is an indispensable mechanical equipment in the agriculture, forestry and other industries. It can control pests and diseases by spraying liquid medicine on crops, which can replace manual labor, improve spraying efficiency and reduce liquid medicine waste. The spraying device in the prior art can only spray medicine on crops with fixed row spacing and low height. When the row spacing is narrow and the height of the crops is high, the spraying work is often not completed well, which affects the normal growth of the crops. Therefore, the utility model designs a rope-driven greenhouse wind-conveying spraying device, which uses a driving rope to connect the mobile platform to complete the spraying of the target crops.

[0003] The Chinese utility model patent with authorization announcement number CN 202979975 U discloses an air-conveying sprayer to solve the problems of large spray volume and coarse droplets of existing sprayers. The air-conveying sprayer includes a frame, a liquid medicine tank, multiple spray heads and a high-pressure medicine pump. The liquid medicine tank contains liquid medicine and is fixed on the frame. The high-pressure medicine pump is fixed on the frame. The high-pressure medicine pump is connected between the liquid medicine tank and the spray head. An air guide cover is also fixed on the frame. A fan is fixed in the air guide cover. Multiple spray heads are evenly distributed and fixed on the edge of the air guide cover. The liquid medicine droplets sprayed by the air-conveying sprayer not only have a long distance but also a high height, which can ensure the spraying effect when spraying crops with large row spacing and high height.

[0004] Ma Guoyi and others designed a greenhouse self-propelled air-conveying sprayer, which consists of a plant protection spray system, a crawler travel system, and a communication and control system. The crawler travel system includes a crawler chassis, a brushless motor, a transmission box, and a battery pack; the plant protection spray system adopts a "top, middle, and bottom" layered design, which can fold and adjust the fan height and angle according to the growth of the crop canopy, and can meet the crop planting conditions in the greenhouse. The system includes a folding frame, a cross-flow fan, a nozzle, a medicine box, a flow control valve, a diaphragm pump, and a medicine delivery pipeline. (Design and Experiment of a Greenhouse Self-Propelled Air-Conveying Sprayer [J]. Chinese Journal of Agricultural Mechanization, 2020, 41(03): 54-61.)

[0005] The above technologies respectively provide a kind of wind-conveying spraying device, but the crawler-type wind-conveying spraying device is difficult to enter the private plastic greenhouse, needs to reserve a larger passage, and is not conducive to reuse, which makes it difficult to build and use the private plastic greenhouse. Utility Model Content

[0006] The purpose of the utility model is to provide a rope-driven greenhouse wind-conveying spraying device, which can meet the operational needs of applying pesticides to crops in private small and medium-sized plastic greenhouses, especially greenhouse tomatoes, and has a low initial construction cost. It solves the problem that traditional crawler spraying devices are difficult to enter the greenhouse. During use, it replaces manual labor, reduces the amount of drug residues in crops, and increases the commercial value of crops.

[0007] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0008] A rope-driven greenhouse wind-supplied spraying device, comprising a spraying assembly and a driving assembly, characterized in that: the spraying assembly comprises a wind tube lifting part, a liquid medicine spraying part, a liquid medicine supply part and a driving connection part, the wind tube lifting part comprises a hollow rotating platform, a support frame, an ultrasonic sensor and an electric push rod, the lower side of the mobile platform is fixed above the hollow rotating platform, the support frame is U-shaped and is fixed to the hollow rotating platform by bolts, an ultrasonic sensor is installed on the middle front side of the support frame, the upper end of the electric push rod is fixed to the back side of the support frame, and the telescopic rod end of the electric push rod is connected to the liquid medicine spraying part;

[0009] The liquid medicine spraying part includes a blade fan, a fan, an air supply cylinder, an annular nozzle and a nozzle. The air supply cylinder is short cylindrical, and the back side is fixedly connected to the lower end of the electric push rod by bolts. The front side of the air supply cylinder is equipped with an annular nozzle. The blade fan is fixed on the fan, and the fan is installed inside the air supply cylinder by bolts. The annular nozzle is connected to a group of uniformly arranged nozzles.

[0010] The liquid medicine spraying part is connected to the liquid medicine supply part, and the liquid medicine supply part includes a liquid medicine tank, a high-pressure liquid pump, a fixed support and a hose. The liquid medicine tank is in the shape of a rectangular parallelepiped, and the four sides of the liquid medicine tank are respectively installed in the middle of the mobile platform through fixed supports. The liquid outlet of the liquid medicine tank is connected to the liquid inlet of the high-pressure liquid pump, and the liquid outlet of the high-pressure liquid pump is fixedly connected to the annular nozzle through a hose. The driving connection part includes the mobile platform and a lifting eye bolt, and the lifting eye bolt is threadedly connected to a bolt hole. There are several bolt holes. The mobile platform is in the shape of a cylindrical cone, and the circumference of the bolt holes is evenly arranged on the circumferential surface of the mobile platform. A battery pack is installed on the lower side of the mobile platform.

[0011] As a further limitation of the present technical solution, the driving assembly includes a driving part and a driving rope, the driving part includes a fixing frame, the driving part is fixed to the trusses around the greenhouse through the fixing frame, the driving part is connected to the spraying assembly through the driving rope, one end of the driving rope is connected to the driving part, and the other end is fixedly connected to the eye bolt, and the driving part provides the required driving force for the mobile platform to move in the working space.

[0012] As a further limitation of the technical solution, the driving part includes a limit stop rod, a circular stop plate, a winch, a fixed frame, a base and a rope-arranging mechanism. Several fixed frames are installed above the base, and the fixed frames can fix the driving part on the trusses around the greenhouse. The winch is installed on the lower side of the base, and one side of the base is also fixedly connected to a mounting plate. The rope-arranging mechanism is fixed to the lower side of the winch through the mounting plate.

[0013] As a further limitation of the present technical solution, both ends of the limit stop rod are respectively mounted on a fixed plate and a mounting plate, the upper end of the fixed plate is fixed to the lower side of the base, the limit stop rod is located below the rope arrangement mechanism, the circular baffle plate is arranged on the upper side of the limit stop rod, a through hole is arranged in the middle of the circular baffle plate and a wear-resistant sleeve is fixed in the through hole, and the circular baffle plate is placed on the limit stop rod.

[0014] As a further limitation of the present technical solution, the annular nozzle is connected to the liquid outlet of the high-pressure liquid pump via a hose.

[0015] As a further limitation of the present technical solution, the upper part of the hollow rotating platform is fixed to the mobile platform by bolts, and the high-pressure liquid pump is fixed to the lower part of the hollow rotating platform by bolts. The hollow rotating platform is divided into two parts, the upper part fixes the mobile platform, and the lower part is composed of a rotating table and a motor. The output shaft of the motor fixes the rotating table, and the motor fixes the lower side of the upper part of the hollow rotating platform, and the lower side of the rotating table is connected to the liquid spraying part.

[0016] As a further limitation of the present technical solution, the rope-arranging mechanism includes a reciprocating screw, a supporting optical axis and a slider. The reciprocating screw is installed under the winch. A rotating shaft of the winch fixes the reciprocating screw to drive the rotation of the reciprocating screw. The slider is slidably connected to the supporting optical axis. The slider is threadedly connected to the reciprocating screw to make the retraction and release of the drive rope more stable. Both ends of the supporting optical axis are installed on the mounting plate.

[0017] As a further limitation of the technical solution, the drive rope is led out from the drum of the winch, the drive rope passes around the supporting optical axis of the rope arrangement mechanism, the drive rope passes through the wear-resistant sleeve in the center of the circular baffle, the circular baffle is placed on the limit baffle rod, and the drive rope is connected to the mobile platform through a lifting bolt to realize the lifting and suspension of the spraying assembly.

[0018] As a further limitation of the technical solution, a liquid filling port with an end cover is provided above the liquid medicine tank, and the liquid medicine supply part can provide liquid medicine to the liquid medicine spraying part through a high-pressure liquid pump and the liquid medicine tank.

[0019] Compared with the prior art, the utility model adopting the above technical solution has the following outstanding features:

[0020] (1) It can realize automatic spraying of greenhouse crops. Compared with the manual spraying operation of traditional backpack sprayers, it can improve the utilization rate of liquid medicine and reduce the residue of harmful chemicals in crops.

[0021] (2) The utility model suspends the spraying assembly, the moving assembly and the driving assembly above the working area of ​​the greenhouse, so as to achieve the purpose of spraying without occupying the planting area. The utility model has a simple structure, a wide range of uses and can be reused.

[0022] (3) Realize spraying automation, reduce labor intensity, and protect the health of operators. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0024] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0025] Figure 2 This is a schematic diagram of the spraying platform structure of an embodiment of the utility model;

[0026] Figure 3 It is a partial three-dimensional structural schematic diagram of an embodiment of the utility model;

[0027] Figure 4 It is a partial three-dimensional structural schematic diagram of an embodiment of the utility model;

[0028] Figure 5 This is a schematic diagram of the structure of the driving assembly of an embodiment of the utility model;

[0029] In the figure: 1. drive assembly; 2. spray assembly; 3. drive rope; 4. liquid medicine supply part; 5. hose; 6. liquid medicine spraying part; 7. liquid medicine tank; 8. fixed support; 9. bolt hole; 10. eye bolt; 11. mobile platform; 12. battery pack; 13. hollow rotating platform; 14. high-pressure liquid pump; 15. support frame; 16. ultrasonic sensor; 17. electric push rod; 18. blade fan; 19. air supply tube; 20. annular nozzle; 21. nozzle; 22. fixed frame; 23. base; 24. mounting plate; 25. winch; 26. supporting optical axis; 27. slider; 28. reciprocating screw; 29. ​​limit stop rod; 30. circular stop plate; 31. fixing plate. DETAILED DESCRIPTION

[0030] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0031] like Figure 1 — Figure 5 As shown, the utility model provides a rope-driven greenhouse wind-supplied spraying device, comprising a spraying assembly 2 and a driving assembly 1, wherein the spraying assembly 2 comprises a wind cylinder lifting part, a liquid medicine spraying part 6, a liquid medicine supply part 4 and a driving connection part, which is used to detect the presence of crops, provide liquid medicine to form a mist liquid medicine and deliver it to the target crop position; the wind cylinder lifting part comprises a hollow rotating platform 13, a support frame 15, an ultrasonic sensor 16 and an electric push rod 17, the lower side of the mobile platform 11 is fixed above the hollow rotating platform 13, the support frame 15 is U-shaped and is fixed to the hollow rotating platform 13 by bolts, an ultrasonic sensor 16 is installed on the middle front side of the support frame 15, the upper end of the electric push rod 17 is fixed to the back side of the support frame 15, and the telescopic rod end of the electric push rod 17 is connected to the liquid medicine spraying part 6;

[0032] The system further comprises a controller, which is connected to the ultrasonic sensor 16 by electrical signals, and the controller controls the electric push rod 17 .

[0033] The air cylinder lifting part drives the liquid spraying part 6 to rise and fall by controlling the telescopic rod of the electric push rod 17 to extend and retract. When the ultrasonic sensor 16 detects the crop, the controller controls the telescopic rod of the electric push rod 17 to remain stationary, thereby achieving the function of controlling the height of the liquid spraying part 6.

[0034] The liquid medicine spraying part 6 includes a blade fan 18, a fan, an air supply cylinder 19, an annular nozzle 20 and a nozzle 21. The air supply cylinder 19 is short cylindrical, and the back side is fixedly connected to the lower end of the electric push rod 17 by bolts. The front side of the air supply cylinder 19 is equipped with an annular nozzle 20. The blade fan 18 is fixed on the fan, and the fan is installed inside the air supply cylinder 19 by bolts. The annular nozzle 20 is connected to a group of uniformly arranged nozzles 21. Further, the nozzle 21 and the annular nozzle 20 are plug-connected by a connecting pipe. The nozzle 21 can be rotated to adjust the spraying angle as needed, so that the angle of the nozzle 21 spraying the liquid medicine can be adjusted;

[0035] The liquid medicine spraying part is connected to the liquid medicine supply part 4, and the liquid medicine supply part 4 includes a liquid medicine tank 7, a high-pressure liquid pump 14, a fixed support 8 and a hose 5. The liquid medicine tank 7 is in a rectangular shape, and the four sides of the liquid medicine tank 7 are respectively installed in the middle of the mobile platform 11 through the fixed support 8. The liquid outlet of the liquid medicine tank 7 is connected to the liquid inlet of the high-pressure liquid pump 14, and the liquid outlet of the high-pressure liquid pump 14 is fixedly connected to the annular nozzle 20 through the hose 5. The driving connection part includes the mobile platform 11 and the eyebolt 10, the eyebolt 10 is threadedly connected to the bolt hole 9, and the bolt hole 9 is a plurality of bolt holes. The mobile platform 11 is cylindrical, and the bolt holes 9 are evenly arranged on the circumferential surface of the mobile platform 11. A battery pack 12 is installed on the lower side of the mobile platform 11;

[0036] The liquid medicine enters the hose 5 from the liquid medicine tank 7 through the high-pressure liquid pump 14 and is supplied to the annular nozzle 20, and is sprayed out through the nozzle 21. The air supply cylinder 19, the blower and the leaf fan 18 work to blow the medicine mist sprayed from the nozzle 21 outward, thus realizing the spraying function;

[0037] The number of eyebolts 10 can be selected as needed, and the eyebolts 10 can be screwed into the bolt holes 9 for easy disassembly, and for easy installation and disassembly of the liquid medicine spraying part.

[0038] The driving assembly 1 includes a driving part and a driving rope 3, the driving part includes a fixing frame 22, the driving part is fixed to the trusses around the greenhouse through the fixing frame 22, the driving part is connected to the spraying assembly 2 through the driving rope 3, one end of the driving rope 3 is connected to the driving part, and the other end is fixedly connected to the eye bolt 10, the driving part provides the required driving force for the mobile platform 11 to move in the working space; the driving part includes a limit stop rod 29, a circular stop plate 30, a winch 25, a fixing frame 22, a base 23 and a rope arrangement mechanism, a plurality of fixing frames 22 are installed above the base 23, and the fixing frames 22 can The driving part is fixed on the trusses around the greenhouse, the winch 25 is installed on the lower side of the base 23, one side of the base 23 is also fixedly connected to the mounting plate 24, and the rope-laying mechanism is fixed to the lower side of the winch 25 through the mounting plate 24; the two ends of the limit baffle 29 are respectively installed on the fixing plate 31 and the mounting plate 24, the upper end of the fixing plate 31 is fixed to the lower side of the base 23, the limit baffle 29 is located below the rope-laying mechanism, the circular baffle plate 30 is arranged on the upper side of the limit baffle rod 29, a through hole is arranged in the middle of the circular baffle plate 30, and a wear-resistant sleeve is fixed in the through hole, and the circular baffle plate 30 is placed on the limit baffle rod 29.

[0039] The driving assembly 1 can provide driving, and the winch 25 provides power to drive the driving rope 3 to extend and retract, thereby realizing the position adjustment of the spraying assembly 2. When the winch 25 is working, the driving rope 3 is driven to move by the winch 25.

[0040] In this example, the annular nozzle 20 is connected to the liquid outlet of the high-pressure liquid pump 14 through a hose 5. The liquid medicine reaches the annular nozzle 20 through the high-pressure liquid pump 14 to form a mist liquid medicine. The four nozzles 21 are distributed on the annular nozzle 20 at 90° intervals, making the spraying range wider and more uniform.

[0041] In this example, the upper part of the hollow rotating platform 13 is fixed to the mobile platform 11 by bolts, and the high-pressure liquid pump 14 is fixed to the lower part of the hollow rotating platform 13 by bolts. The hollow rotating platform 13 is divided into two parts, the upper part fixes the mobile platform 11, and the lower part is composed of a rotating table and a motor. The output shaft of the motor fixes the rotating table, and the motor fixes the lower side of the upper part of the hollow rotating platform 13. The lower side of the rotating table is connected to the liquid spraying part 6. The hollow rotating platform 13 is used to drive the liquid spraying part 6 and the wind cylinder lifting part to rotate, so that better spraying can be carried out for crops with narrow row spacing and planted on both sides.

[0042] In this example, eight bolt holes 9 are evenly distributed on the circumference of the side wall of the mobile platform 11 , and the same number of eyebolts 10 as the number of the driving components 1 are installed. The installation position of the eyebolts 10 can be conveniently adjusted according to the position of the driving component 1 .

[0043] In this example, the rope-arranging mechanism includes a reciprocating screw 28, a supporting optical axis 26 and a slider 27; the reciprocating screw 28 is installed under the winch 25, and a rotating shaft of the winch 25 fixes the reciprocating screw 28 to drive the rotation of the reciprocating screw 28. The slider 27 is slidably connected to the supporting optical axis 26. The slider 27 is threadedly connected to the reciprocating screw 28, so that the retraction and release of the drive rope 3 is more stable. The two ends of the supporting optical axis 26 are fixedly mounted on the mounting plate 24.

[0044] The outer wall surface of the slider 27 is provided with an annular groove. Preferably, the slider 27 is cylindrical and the outer arc wall surface is provided with an annular groove.

[0045] The reciprocating screw 28 is driven to rotate by the rotation of a rotating shaft of the winch 25, and then the slider 27 is driven to move along the supporting optical axis 26, and the drive rope 3 is discharged from the annular groove of the slider 27. Since the drive rope 3 is wound around the drum, the slider 27 moves back and forth on the supporting optical axis 26 during the discharge of the drive rope 3, driving the drive rope 3 to move, thereby ensuring the stability of the drive rope 3 when it is discharged from the drum of the winch 25.

[0046] In this example, after the driving rope 3 is led out from the drum of the winch 25, it passes through the rope arrangement mechanism and the circular baffle 30. The circular baffle 30 is placed on the limiting baffle rod 29. The driving rope 3 passes through the wear-resistant sleeve in the middle of the circular baffle 30. The driving rope 3 is connected to the mobile platform 11 through the eye bolt 10 to realize the lifting and suspension of the spraying assembly 2.

[0047] In this example, a liquid filling port with an end cover is provided above the liquid medicine tank 7. The liquid medicine supply part 4 can provide liquid medicine to the liquid medicine spraying part 6 through the high-pressure liquid pump 14 and the liquid medicine tank 7. At the same time, the weight of the liquid medicine tank 7 can balance the center of gravity of the spraying component 2, prevent the mobile platform 11 from shifting and tilting, and improve the stability and reliability of the spraying component 2.

[0048] The working principle of this embodiment is as follows: first, through the cooperation of the hollow rotating platform 13 and the mobile platform 11, the spraying assembly 2 can move up and down and rotate in the greenhouse to adapt to crops of different heights and positions; the electric push rod 17 controls the lifting and lowering of the spraying assembly 2, and the ultrasonic sensor 16 ensures that the presence of the crop can be detected; the wind force generated by the fan and the blade fan 18 in the liquid medicine spraying part 6 sprays the liquid medicine evenly through the annular nozzle 20 and the nozzle 21 with adjustable angle; the high-pressure liquid pump 14 extracts the liquid medicine from the liquid medicine tank 7 and transports it to the nozzle through the hose 5; the driving assembly 1 provides the power for the lateral movement of the spraying assembly 2 through the fixing frame 22 and the driving rope 3 fixed on the greenhouse truss; the winch 25 and the rope arrangement mechanism work together to ensure the smooth retraction and release of the driving rope 3, so as to accurately control the position of the spraying assembly 2; the whole system is powered by the battery pack 12 to realize automatic control, so as to achieve efficient and uniform spraying of crops in the greenhouse, protect the crops from diseases and insect pests, and promote their healthy growth.

[0049] The beneficial effects of the utility model are:

[0050] (1) It can realize automatic spraying of greenhouse crops. Compared with the manual spraying operation of traditional backpack sprayers, it can improve the utilization rate of liquid medicine and reduce the residue of harmful chemicals in crops.

[0051] (2) The utility model suspends the spraying assembly, the moving assembly and the driving assembly above the working area of ​​the greenhouse, so as to achieve the purpose of spraying without occupying the planting area. The utility model has a simple structure, a wide range of uses and can be reused.

[0052] (3) Realize spraying automation, reduce labor intensity, and protect the health of operators.

[0053] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A rope-driven greenhouse wind-transport spraying device, comprising a spraying assembly (2) and a driving assembly (1), characterized in that: The spraying assembly (2) comprises a blower lifting part, a liquid medicine spraying part (6), a liquid medicine supply part (4) and a driving connection part. The blower lifting part comprises a hollow rotating platform (13), a support frame (15), an ultrasonic sensor (16) and an electric push rod (17). The lower side of the movable platform (11) is fixed above the hollow rotating platform (13). The support frame (15) is U-shaped and is fixed to the hollow rotating platform (13) by bolts. The ultrasonic sensor (16) is installed on the middle front side of the support frame (15). The upper end of the electric push rod (17) is fixed to the back side of the support frame (15). The telescopic rod end of the electric push rod (17) is connected to the liquid medicine spraying part (6). The liquid medicine spraying part (6) comprises a blade fan (18), a fan, an air supply cylinder (19), an annular nozzle (20) and a nozzle (21); the air supply cylinder (19) is short cylindrical, and the back side is fixedly connected to the lower end of the electric push rod (17) by bolts; the front side of the air supply cylinder (19) is equipped with an annular nozzle (20); the blade fan (18) is fixed on the fan, and the fan is installed inside the air supply cylinder (19) by bolts; the annular nozzle (20) is connected to a group of nozzles (21) arranged evenly; The liquid medicine spraying part (6) is connected to the liquid medicine supply part (4), and the liquid medicine supply part (4) includes a liquid medicine tank (7), a high-pressure liquid pump (14), a fixed support (8) and a hose (5). The liquid medicine tank (7) is in the shape of a rectangular parallelepiped. The four sides of the liquid medicine tank (7) are respectively installed in the middle of the mobile platform (11) through the fixed supports (8). The liquid outlet of the liquid medicine tank (7) is connected to the liquid inlet of the high-pressure liquid pump (14). The liquid outlet of the high-pressure liquid pump (14) is fixedly connected to the annular nozzle (20) through the hose (5). The driving connection part includes the mobile platform (11) and a lifting eye bolt (10). The lifting eye bolt (10) is threadedly connected to a bolt hole (9). There are a plurality of bolt holes (9). The mobile platform (11) is in the shape of a cylindrical cone. The bolt holes (9) are evenly arranged on the circumference of the mobile platform (11). A battery pack (12) is installed on the lower side of the mobile platform (11).

2. A rope-driven greenhouse wind-conveying spraying device according to claim 1, characterized in that: The driving assembly (1) comprises a driving part and a driving rope (3), wherein the driving part comprises a fixing frame (22), wherein the driving part is fixed to the trusses around the greenhouse via the fixing frame (22), wherein the driving part is connected to the spraying assembly (2) via the driving rope (3), wherein one end of the driving rope (3) is connected to the driving part, and the other end is fixedly connected to the eyebolt (10), wherein the driving part provides the required driving force for the mobile platform (11) to move within the working space.

3. A rope-driven greenhouse wind-conveying spraying device according to claim 2, characterized in that: The driving part comprises a limit stop rod (29), a circular stop plate (30), a winch (25), a fixing frame (22), a base (23) and a rope arrangement mechanism. A plurality of fixing frames (22) are installed above the base (23). The fixing frames (22) can fix the driving part on the trusses around the greenhouse. The winch (25) is installed on the lower side of the base (23). One side of the base (23) is also fixedly connected to a mounting plate (24). The rope arrangement mechanism is fixed to the lower side of the winch (25) through the mounting plate (24).

4. A rope-driven greenhouse wind-conveying spraying device according to claim 3, characterized in that: The two ends of the limit stop rod (29) are respectively mounted on a fixing plate (31) and a mounting plate (24); the upper end of the fixing plate (31) is fixed to the lower side of the base (23); the limit stop rod (29) is located below the rope arrangement mechanism; the circular baffle plate (30) is arranged on the upper side of the limit stop rod (29); a through hole is arranged in the middle of the circular baffle plate (30) and a wear-resistant sleeve is fixed in the through hole; the circular baffle plate (30) is placed on the limit stop rod (29).

5. A rope-driven greenhouse wind-conveying spraying device according to claim 4, characterized in that: The annular nozzle (20) is connected to the liquid outlet of the high-pressure liquid pump (14) via a hose (5).

6. A rope-driven greenhouse wind-conveying spraying device according to claim 5, characterized in that: The upper part of the hollow rotating platform (13) is fixed to the mobile platform (11) by bolts, and the high-pressure liquid pump (14) is fixed to the lower part of the hollow rotating platform (13) by bolts. The hollow rotating platform (13) is divided into an upper and lower part, and the upper part fixes the mobile platform (11), and the lower part is composed of a rotating table and a motor. The output shaft of the motor fixes the rotating table, and the motor fixes the lower side of the upper part of the hollow rotating platform (13). The lower side of the rotating table is connected to the liquid spraying part (6).

7. A rope-driven greenhouse wind-conveying spraying device according to claim 6, characterized in that: The rope arrangement mechanism comprises a reciprocating screw (28), a supporting optical axis (26) and a slider (27); the reciprocating screw (28) is installed below the winch (25); a rotating shaft of the winch (25) fixes the reciprocating screw (28) to drive the rotation of the reciprocating screw (28); the slider (27) is slidably connected to the supporting optical axis (26); the slider (27) is threadedly connected to the reciprocating screw (28), so that the retraction and extension of the drive rope (3) is more stable; and both ends of the supporting optical axis (26) are installed on the mounting plate (24).

8. The rope-driven greenhouse wind-conveying spraying device according to claim 7, characterized in that: The driving rope (3) is led out from the drum of the winch (25), the driving rope (3) is passed around the supporting optical axis (26) of the rope arrangement mechanism, the driving rope (3) passes through the wear-resistant sleeve at the center of the circular baffle (30), the circular baffle (30) is placed on the limit baffle rod (29), and the driving rope (3) is connected to the mobile platform (11) through the eye bolt (10) to realize the lifting and suspension of the spraying assembly (2).

9. A rope-driven greenhouse wind-conveying spraying device according to claim 8, characterized in that: A liquid filling port with an end cover is arranged above the liquid medicine box (7), and the liquid medicine supply part (4) can provide liquid medicine to the liquid medicine spraying part (6) through a high-pressure liquid pump (14) and the liquid medicine box (7).

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