CN107810938A - A kind of air-assisted type spraying machine - Google Patents

Abstract

An air-driven sprayer is applied to orchards and installed on an agricultural multifunctional chassis, comprising: a frame; a drug supply device installed on the frame; a liquid flow system installed on the frame, and The medicine supply device is connected; the air supply system is installed on the frame and connected with the medicine supply device and the liquid flow system; and the spraying device is connected with the liquid flow system and the air supply system , the spraying device respectively has an unfolded position and a folded position relative to the frame. The invention can be matched with various agricultural chassis, and is applied to the prevention and control of orchard diseases and insect pests, which promotes the improvement of the mechanization level of orchard production, improves the production efficiency and spraying effect, and reduces the labor intensity.

Description

An air-driven sprayer

technical field

The invention relates to an agricultural machine, in particular to an air-driven sprayer used in orchards.

Background technique

For a long time, the traditional orchard cultivation mode in my country has problems such as too low frame, too narrow row spacing, and too small rows, which have seriously restricted the development of orchard production mechanization, especially in orchard pest control. Carried out, the labor intensity is high, the operation efficiency is low, and the safety cannot be guaranteed. In recent years, with the transfer of a large amount of agricultural labor to the secondary and tertiary industries, the labor cost of manual production has increased significantly, and the demand for machinery and equipment for orchard pest control has become more and more urgent.

Contents of the invention

The technical problem to be solved by the present invention is to provide an air-driven sprayer that can be matched with the agricultural chassis and applied to the prevention and control of orchard diseases and insect pests, so as to solve the above-mentioned defects of the prior art and promote the improvement of the mechanization level of orchard production.

In order to achieve the above object, the present invention provides an air-driven sprayer, which is applied to an orchard and installed on an agricultural multifunctional chassis, including:

frame;

a medicine supply device installed on the frame;

a liquid flow system installed on the frame and connected to the drug supply device;

an air supply system, installed on the frame, connected with the medicine supply device and the liquid flow system; and

The spraying device is connected with the liquid flow system and the air delivery system, and the spraying device has an unfolded position and a folded position respectively relative to the frame.

The above-mentioned air-driven sprayer, wherein the drug supply device includes:

The medicine box is installed on the frame through the medicine box lifting frame, the medicine box is connected with the spraying device through the liquid flow system, and the medicine box has a spraying operation position and a a dosing position; and

The liquid medicine tank is installed on the frame, and is respectively connected with the medicine liquid tank and the spraying device through the liquid flow system.

The above-mentioned air-driven sprayer, wherein, the lifting frame of the medicine box includes:

a bracket for installing the medicine box;

a sliding frame installed on the frame, the frame is provided with a guide rail, and the sliding frame is provided with a slider adapted to the guide rail;

a hinge plate hinged to the carriage and the bracket, respectively; and

The spring is tensioned, and the two ends are respectively fixed on the hinge plate and the sliding frame.

The above-mentioned air-driven sprayer, wherein the liquid flow system includes:

a liquid pump installed on the frame;

a liquid medicine pipeline, respectively connected to the liquid medicine tank and the liquid pump;

medicine pipelines, respectively connected to the medicine tank and the liquid pump;

Spray pipelines are respectively connected to the liquid pump and the spray device;

a return water pipeline, which is respectively connected to the liquid medicine tank and the spray pipeline; and

The liquid flow control mechanism is arranged on the liquid medicine pipeline, the medicine pipeline, the spray pipeline and the return water pipeline.

The above-mentioned air-driven sprayer, wherein the liquid flow control mechanism includes:

The dosing control valve is installed on the medicine pipeline and arranged close to the medicine box;

The water suction reversing valve is installed on the liquid medicine pipeline;

a return water reversing valve installed on the return water pipeline connected to the liquid medicine tank; and

An electric pressure regulating valve is installed between the return water pipeline and the spray pipeline.

The above-mentioned air-driven sprayer, wherein a jet agitation nozzle is further arranged in the liquid medicine tank, and an agitation control valve is further arranged on the spray pipeline, and the jet agitation nozzle is connected to the return water pipeline.

The above-mentioned air-driven sprayer, wherein the spraying device includes:

The spray boom includes a left spray boom, a right spray boom and a middle spray boom, the middle spray boom is installed on the frame through a lifting frame, and the left spray boom and the right spray boom are respectively installed on the Both ends of the middle boom;

The folding mechanism includes a lifting cylinder, a folding cylinder and a lifting cylinder, the two ends of the lifting cylinder are respectively connected with the frame and the middle spray rod, and the left spray rod and the right spray rod are respectively provided with corresponding For the lifting cylinder and the folding cylinder, one end of the lifting cylinder is connected to the middle spray boom through a spray rod connecting frame, and the other end of the lifting cylinder is connected to the corresponding left spray boom and right spray boom respectively. , one end of the folding oil cylinder is connected to the spray rod connecting frame, and the other end of the folding oil cylinder is respectively connected to the middle spray rod; and

A plurality of spraying mechanisms are correspondingly installed on the left spray bar, the right spray bar and the middle spray bar respectively, and each spraying mechanism is respectively connected with the spray pipeline.

The above-mentioned air-driven sprayer, wherein the spray mechanism includes:

A plurality of spray heads are respectively connected with the spray pipeline; and

At least one air outlet pipe is connected with the air supply system and installed on the spray bar, the air outlet pipe is provided with a plurality of air outlets, and each of the air outlets is respectively equipped with the spray head.

The above-mentioned wind-driven sprayer, wherein, there are two air outlet pipes, and the two air outlet pipes are connected to the spray bar through a spray connection mechanism, and the spray connection mechanism includes a fixed frame, an intermediate connecting pipe, Two support plates, two support tubes and sliding sleeves, one end of the support plate is connected to the support tube, the other end of the support plate is connected to the intermediate connecting tube through a connecting plate, one end of the support tube is connected to the The other end of the support pipe is connected to the air outlet pipe through the splint of the air outlet pipe. The sliding sleeve is set on the intermediate connecting pipe. By changing the sliding sleeve on the intermediate connecting pipe Adjust the distance between the two air outlet pipes on the fixed position.

The above-mentioned air-supply sprayer, wherein the air-supply system includes:

fan installed on the frame;

a blower drive motor connected to the blower; and

The air supply pipe is connected with the fan through the air supply distribution pipe, and is installed and supported on the spray bar through the air supply pipe fixing seat, the air outlet pipe is connected to the air supply pipe, and the spray pipeline It is a spray hose, and the spray hose runs along the inside of the air supply pipe and is connected with the spray head.

Technical effect of the present invention is:

The invention can be matched with a variety of agricultural chassis, and is applied to the prevention and control of orchard diseases and insect pests, which promotes the improvement of the mechanization level of orchard production, improves the production efficiency and spraying effect, and reduces the labor intensity.

The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

Description of drawings

Fig. 1 is the supporting schematic diagram of an embodiment of the present invention and multifunctional chassis;

Fig. 2 is a schematic view of the right front lateral structure of an embodiment of the present invention;

Fig. 3 is a schematic structural diagram of the left rear side plan view of an embodiment of the present invention;

Fig. 4 is a schematic view of the right rear lateral structure of an embodiment of the present invention;

Fig. 5A is a schematic diagram of the position of the spraying state of the medicine box according to an embodiment of the present invention;

Fig. 5B is a schematic diagram of the position of the medicine box in the state of adding medicine according to an embodiment of the present invention;

FIG. 6 is a schematic diagram of a liquid flow system according to an embodiment of the present invention.

Among them, reference signs

1 spray device

111 Nozzles

112 Outlet pipe

113 Air outlet

114 spray connection mechanism

115 Fixing frame

116 spray control valve

117 pressure gauge

118 flow sensor

119 pressure sensor

2 Boom right

3 Outer air supply pipe

4 1st boom lift lever

5 Second boom lift lever

6 First pin

7 Lift cylinder

8 Right boom connection bracket

9 long pin

10 Second pin

11 Third pin

12 Middle boom

13 folding cylinder

14 Fourth pin

15 Intermediate boom lifter

16 lift cylinder

17 lifting frame

18 Inner air supply pipe

19 Air distribution pipe

20 solution tank

21 racks

211 Boom Support Frame

212 The first chassis connecting plate

213 Second chassis connection plate

22 Left boom connecting bracket

23 Fan drive motor

24 fans

25 Boom left

26 outriggers

27 Fan outlet pipe

28 Air outlet connection hose

29 Liquid pump drive motor

30 fluidic system

301 liquid pump

302 dosing control valve

303 Suction reversing valve

304 return water reversing valve

305 electric pressure regulating valve

306 jet mixing nozzle

307 Agitation Control Valve

31 Cleaning the water tank

32 Potion Box

33 Outrigger Latch

34 Latch locking pin

35 medicine box lifting frame

351 bracket

352 sliding frame

353 hinge plate

354 tension spring

36 electric actuator

37 Air supply pipe fixing seat

38 spray controller

39 speed sensor

100 multipurpose chassis

101 Air-driven sprayer

Detailed ways

Below in conjunction with accompanying drawing, structural principle and working principle of the present invention are specifically described:

Referring to Fig. 1-Fig. 4, Fig. 1 is a schematic diagram of an embodiment of the present invention matched with a multifunctional chassis 100, Fig. 2 is a schematic view of the right front side structure of an embodiment of the present invention, Fig. 3 is a left rear view of an embodiment of the present invention A schematic view of the structure in a top view from the side. FIG. 4 is a schematic view of the right rear side structure of an embodiment of the present invention. The wind-driven sprayer 101 of the present invention is applied to orchards and installed on the agricultural multifunctional chassis 100, including: a frame 21; a drug supply device installed on the frame 21; a liquid flow system 30 installed on the frame 21. On the frame 21, it is connected with the drug supply device; the air supply system is installed on the frame 21, and connected with the drug supply device and the liquid flow system 30; and the spray device 1 is connected with the drug supply device. The liquid flow system 30 is connected to the air supply system, and the spray device 1 has an unfolded position and a folded position respectively relative to the frame 21 . The air blowing sprayer 101 is mounted on the multifunctional chassis 100, the first chassis connecting plate 212 is connected with the longitudinal beam of the multifunctional chassis 100 through connecting pins, and the second chassis connecting plate 213 is connected with the longitudinal beam of the multifunctional chassis 100 through bolts and nuts. The connection plates on the top are fixed together. The agricultural multifunctional chassis 100 is used as a power platform to provide power sources such as hydraulic pressure and electric power for the orchard air-driven sprayer 101 required for operation.

In one embodiment of the present invention, the spraying device 1 includes: a spray boom, including a left spray boom 25, a right spray boom 2 and a middle spray boom 12, and the middle spray boom 12 passes through the middle spray boom lifting rod 15 and Lifting frame 17 is installed on described frame 21, and described left side spray bar 25 and right side spray bar 2 are respectively installed on the two ends of described middle spray bar 12; 15. The lifting frame 17 and the frame 21 form a parallelogram mechanism to ensure that when the lifting cylinder 16 is in motion, the middle spray bar 12, the left spray bar 25 and the right spray bar 2 can be lifted without tilting; the folding mechanism , including a lifting cylinder 7, a folding cylinder 13 and a lifting cylinder 16, the two ends of the lifting cylinder 16 are respectively connected with the frame 21 and the middle spray rod 12, and the left spray rod 25 and the right spray rod 2. Corresponding lifting cylinders 7 and folding cylinders 13 are provided respectively. One end of the lifting cylinder 7 is connected to the middle spraying boom 12 through the corresponding left and right spraying rod connecting frames 22, 8. The lifting cylinder 7 The other end of each is connected with the corresponding left spray bar 25 and the right spray bar 2, and one end of the folding oil cylinder 13 is connected with the corresponding left and right spray bar connecting frames 22, 8, and the folding oil cylinder The other end of 13 is connected with middle spray bar 12 respectively; The spray line is connected. Wherein, the spraying mechanism includes: a plurality of spray heads 111, respectively connected with the spray pipeline; and at least one air outlet pipe 112, connected with the air supply system and installed on the spray bar, the air outlet pipe 112 is provided with a plurality of air outlets 113, and each of the air outlets 113 is respectively installed with the spray head 111.

In this embodiment, there are two air outlet pipes 112, and the two air outlet pipes 112 are connected to the spray bar through a spray connection mechanism 114. The spray connection mechanism 114 includes a fixed frame 115, an intermediate connecting pipe, Two support plates, two support tubes and sliding sleeves, one end of the support plate is connected to the support tube, the other end of the support plate is connected to the intermediate connecting tube through a connecting plate, one end of the support tube is connected to the The other end of the support pipe is connected to the outlet pipe 112 through the splint of the outlet pipe. to change the distance between the two outlet pipes 112.

The air delivery system includes: a fan 24 installed on the frame 21; a fan drive motor 23 connected to the fan 24; Connect with the fan 24 through the air supply distribution pipe 19 and install and support it on the spray bar through the air supply pipe fixing seat 37. The air outlet pipes 112 are connected to the air supply pipe respectively. It is a spray hose, and the spray hose runs along the inside of the air supply pipe and is connected with the spray head 111 .

Referring to Figures 5A and 5B, Figure 5A is a schematic diagram of the position of the medicine box in the spraying state according to an embodiment of the present invention, and Figure 5B is a schematic diagram of the position of the medicine box in the filling state according to an embodiment of the present invention. In this embodiment, the medicine supply device includes: a medicine box 32 installed on the frame 21 through a medicine box lifting frame 35, and the medicine box 32 is connected with the spray device 1 through the liquid flow system 30 , the medicine box 32 has a spraying operation position and a dosing position respectively with respect to the frame 21; The medicine box 32 is connected with the spray device 1 . Wherein, the medicine box elevating frame 35 includes: a bracket 351 for installing the medicine box 32; a sliding frame 352 installed on the frame 21, the frame 21 is provided with guide rails, and the sliding The frame 352 is provided with a slider adapted to the guide rail; the hinge plate 353 is hinged with the sliding frame 352 and the bracket 351 respectively; and a tension spring 354 is fixed on the hinge plate 353 at both ends. And on the sliding frame 352.

Referring to FIG. 6 , FIG. 6 is a schematic diagram of a liquid flow system according to an embodiment of the present invention. In this embodiment, the liquid flow system 30 includes: a liquid pump 301, installed on the frame 21; a liquid medicine pipeline, respectively connected to the liquid medicine tank 20 and the liquid pump 301; a medicine pipeline, Respectively connect the medicine tank 32 and the liquid pump 301; spray pipelines, respectively connect with the liquid pump 301 and the spray device; return water pipelines, respectively connect the medicine tank 20 and the electric pressure regulator The valve 305; and the liquid flow control mechanism are installed on the liquid medicine pipeline, the medicine pipeline, the spray pipeline and the return water pipeline. Wherein, the liquid flow control mechanism includes: a medicine dosing control valve 302, installed on the medicine pipeline and set close to the medicine tank 32; a water suction reversing valve 303, installed on the medicine liquid pipeline; A direction valve 304 is installed on the return water pipeline connected to the liquid medicine tank 20; Between the valve 304 and the spray pipeline connected to the liquid pump 301 . The liquid medicine tank 20 is also provided with a jet agitation nozzle 306, and the spray pipeline is also provided with an agitation control valve 307, and the jet agitation nozzle 306 is connected with the return water pipeline.

The preferred setting of this embodiment is: the air supply pipe includes an outer air supply pipe 3 and an inner air supply pipe 18, wherein the outer air supply pipe 3, the first spray boom lifting rod 4, the second spray boom lifting rod 5, the first pin Shaft 6, lifting oil cylinder 7, long pin 9, second pin 10, folding oil cylinder 13, middle spray rod elevating rod 15, elevating oil cylinder 16, inside air supply pipe 18 and liquid medicine tank 20 are two pieces, spraying device 1, the second bearing pin 10, the supporting leg 26, the supporting leg latch 33 and the latch locking pin 34 are four pieces, and the fourth bearing pin 14 is 12 pieces in total, which are symmetrically arranged left and right with the central plane of the frame 21 as the plane of symmetry. The parts of the right side spray bar 2 and the left spray bar 25, the right spray bar connecting frame 8 and the left spray bar connecting frame 22 constitute the same, and also all take the central plane of the frame 21 as the symmetrical plane left and right.

Frame 21 can be welded by materials such as steel pipe, steel plate, is provided with medicine box bracket, flat plate on it, is used for fixing liquid pump 301 in liquid medicine box 20, blower fan 24, liquid flow system 30, clean water tank 31, medicine Parts such as case 32, medicament box elevating frame 35, electric push rod 36, and are provided with spray rod connecting plate, are used for fixing middle spray rod elevating rod 15, lifting oil cylinder 16 and elevating frame 17. The frame 21 is also provided with a first chassis connection plate 212, a second chassis connection plate 213 and an outer spray boom support frame 211, which are respectively used to connect and fix with the multifunctional chassis 100 and support the left and right spray booms 25 in a folded state. ,2. The supporting legs 26 are fixed on the frame 21 by the supporting leg bolts 33 and the locking pins 34, which are used for stable placement of the sprayer when it is not in working condition. When the sprayer is carried on the multifunctional chassis 100 for spraying operations, the legs 26 are removed to improve the passability of the sprayer between the rows of fruit trees.

Spray device 1 is made up of flexible tee hose, air outlet pipe 112, air outlet pipe splint, air outlet 113, nozzle fixing plate, nozzle 111, intermediate connecting pipe, sliding sleeve, support pipe and support plate. The intermediate connecting pipe is provided with a plurality of connecting holes for connecting with the sliding sleeve, and a connecting plate is provided for connecting the supporting plate. The upper end of the intermediate connecting pipe is welded with a fixing frame 115, which is used to fix the spraying device 1 on the right side spray bar 2, the middle spray bar 12 and the left side spray bar 25 by bolts and nuts. The air outlet pipe 112 is fixed on the intermediate connecting pipe with the air outlet pipe splint and the support pipe; the air outlet pipe 112 is fixed with a plurality of air outlets 113, and the airflow ejected from the air outlet 113 will be used to spray the liquid medicine sprayed from the nozzle 111. Fog droplets are blown on the fruit trees. Preferably, each air outlet 113 is provided with two nozzles 111, the nozzles 111 are fixed on the nozzle fixing plate, and the spray hose (not shown) of the liquid flow system 30 passes through the inside of the air supply pipeline and is connected to the nozzles 111 . One end of the support plate is connected to the connecting plate, and the other end is connected to the support pipe; one end of the support pipe is connected to the splint of the air outlet pipe, and the other end is connected to the sliding sleeve; Locate the connection on the intermediate connecting pipe. Two support pipes and two support plates form a parallelogram structure, changing the fixed position of the sliding sleeve on the intermediate connecting pipe can change the distance between the two air outlet pipes 112, so that the diameter of the crown of the fruit tree or the width of the hedge can be changed. It is necessary to change the distance between the nozzles 111 on two adjacent groups of spray devices 1 .

The middle spray boom 12 can be welded by a square pipe and a connecting plate, and is suspended and connected with the frame 21 through the middle spray boom lifting rod 15, the lifting cylinder 16, the lifting frame 17; The connecting frame 8 is connected with the left spray rod connecting frame 22. One end of the middle spray rod lifting rod 15 , the lifting cylinder 16 and the lifting frame 17 is connected with the frame 21 through the fourth pin shaft 14 , and the other end is connected with the middle spray rod 12 through the fourth pin shaft 14 . The electric spray control valve 116, flow sensor 118, pressure sensor 119 and other components in the liquid flow system 30 are also installed on the upper beam of the middle spray boom 12; 19. When the lifting cylinder 16 is operated to lift the middle spray rod 12, the electric spray control valve 116, the flow sensor 118, the pressure sensor 119 and the air distribution pipe 19 are lifted up and down together.

The right side spray bar 2 and the left side spray bar 25 have the same structure and are arranged symmetrically. The left and right spray bars 25, 2 are provided with air supply pipe fixing seats 37 to limit the position of the outside air supply pipe 3. The left and right spray rods 25, 2 can also be provided with spray rod holders, so as to be placed in the groove of the outer spray rod support frame 211 of the frame 21 when in the folded state.

The horizontal pipes of the middle spray bar 12 and the left and right spray bars 25, 2 are provided with multiple groups of connection holes for installing the spray device 1 . According to the size of the row spacing of fruit trees, the fixing positions of the fixed mount 115 of the spraying device 1 on the middle spray bar 12 and the left and right spray bars 25, 2 can be changed, so that the spraying device 1 is in a reasonable position.

The outside air supply pipe 3 and the inside air supply pipe 18 are all manufactured by flexible hoses to meet the requirements of changing the installation position of the spray device 1 on the left and right spray bars 25, 2 and the middle spray bar 12 without affecting the air flow delivery. need. One end of the outside air supply pipe 3 and the inside air supply pipe 18 is connected with the three-way flexible pipe on the spraying device 1 , and the other end is connected with the air supply distribution pipe 19 .

The length of the first spray rod lifting rod 4 and the second spray rod lifting rod 5 are equal, one end is connected with the right spray rod 2 through bolts and nuts, and the other end is connected with the right spray rod connecting frame 8 through bolts and nuts, and connected with the right spray rod The side spray bar 2 and the right spray bar connecting frame 8 form a parallelogram, which ensures that when the lifting cylinder 7 moves, the right spray bar 2 and the spray device 1 installed thereon can be lifted and lowered without inclination. One end of the outer spray boom lifting cylinder 7 is connected to the first spray boom lifting rod 4 through the first pin shaft 6 , and the other end is connected to the right spray boom connecting frame 8 through the third pin shaft 11 . The connection situation of the left spray rod connecting frame 22 is the same as the right side.

The right spray rod connecting frame 8 is connected with the middle spray rod 12 through the long pin shaft 9 . One end of the folding cylinder 13 is connected to the right spray rod connecting frame 8 through the second pin shaft 10 , and the other end is connected to the middle spray rod 12 through the second pin shaft 10 . When the piston rod of the folding oil cylinder 13 shrinks back, the piston rod drives the right spray rod connecting frame 8, the first spray rod lifting rod 4, the second spray rod lifting rod 5, the right spray rod 2 and the spray rod connected thereto. The device 1 is changed from the unfolded position to the folded position together.

Referring to accompanying drawing 6, the liquid flow system 30 of orchard air-driven sprayer 101 mainly comprises jet agitation nozzle 306, water suction filter, electric water suction reversing valve 303, dosing control valve 302, liquid pump 301, outlet water filter, stirring Control valve 307, electric pressure regulating valve 305, electric return water reversing valve 304, flow sensor 118, pressure sensor 119, electric spray control valve 116, pressure gauge 117, speed sensor 39, spray controller 38, nozzle 111, spray soft Tubes and other tees, hoses, etc. There are 2 liquid medicine tanks 20, arranged symmetrically on the left and right, with a jet stirring nozzle 306 inside, using the return water of the electric pressure regulating valve 305 to stir the liquid medicine inside the liquid medicine tank 20 to prevent the stratification or precipitation of the medicine, and ensure the liquid medicine Uniformity. The bottom of the liquid medicine tank 20 is provided with a discharge valve, which is used to discharge the remaining liquid medicine after the operation is completed and the liquid after cleaning inside the liquid medicine tank. Liquid pump 301 is fixed on the plate of frame 21 by bolt, nut, and liquid pump drive motor 29 is installed on one end of liquid pump 301, and its power output shaft adopts spline connection with liquid pump 301 axles. The hydraulic source of the liquid pump drive motor 29 is provided by the hydraulic output device of the supporting chassis, and a high pressure hose is used to connect (not shown) between the liquid pump drive motor 29 and the hydraulic output device. The electric water suction reversing valve 303 and the electric return water reversing valve 304 are used to control the direction of water suction and return water. After the liquid medicine in the left liquid medicine tank 20 is finished spraying, switch the direction of the electric water suction reversing valve 303 and the electric return water reversing valve 304 simultaneously, change to absorb water from the right liquid medicine tank 20, and return water also returns. In the right medicine liquid tank 20. The agitation control valve 307 is used to separately agitate the liquid medicine in the liquid medicine tank 20. When the agitation control valve 307 is opened, due to the large flow area and small resistance, all the liquid medicine discharged from the liquid pump 301 flows back to the medicine liquid from the agitation control valve 307. The liquid tank 20 is stirred; during the spraying operation, the stirring control valve 307 is in a closed state, the liquid discharged from the liquid pump 301 is regulated by the electric pressure regulating valve 305, and a part of the liquid medicine is delivered to the sprayer installed in the spraying device 1 through the electric spray control valve 116. The nozzle 111 is atomized to form mist droplets, and another part of the liquid medicine flows back to the liquid medicine tank 20 for stirring. The medicine box 32 is used to improve the convenience of the dosing process, and the dosing control valve 302 on the medicine box 32 is in a closed state at ordinary times. All flow back to the liquid medicine tank 20 , the dosing control valve 302 is opened, and the liquid pump 301 inhales the medicine and adds it into the liquid medicine tank 20 . After all the medicaments in the medicament box 32 are inhaled, the dosing control valve 302 is closed, and the dosing process ends. The liquid flow system 30 is provided with multiple groups of electric spray control valves 116, which are connected with each group of spray devices 1, and can control the spraying of the nozzles 111 on each group of spray devices 1 or stop spraying as required; the spray hoses output by the electric spray control valves 116 Lead into the air supply distribution pipe 19, pass through the inside of each group of air supply pipelines, and connect with the spray heads 111 on each group of spraying devices 1 . The liquid flow system 30 is provided with a spray controller 38, which can collect the data of the automatic flow sensor 118, the pressure sensor 119 and the speed sensor 39, and automatically adjust the spray pressure according to the change of the working speed, so that the spray volume of the nozzle 111 is consistent with the set value, The accuracy of the amount of spraying liquid is guaranteed.

Referring to accompanying drawing 5, medicine box 32 is installed on the medicine box lifting frame 35, and medicine box lifting frame 35 is made up of sliding frame 352, bracket 351, hinge plate 353, tension spring 354 etc., passes slide block (not shown) Slidingly cooperate with the guide rail on the frame 21, and fix the position on the frame 21 through the connection of the electric push rod 36. Wherein the sliding frame 352 is welded by a sliding tube, a horizontal tube, a vertical rod, a spring fixing plate and a push rod fixing seat, and a slide block is installed on the side of the sliding tube, which can slide along the guide rail on the frame 21; the bracket 351 is formed by the bottom frame Connected with the hinge plate and welded by the vertical plate, the bottom frame is used to fix the medicine box 32; one end of the hinge plate 353 is connected to the bracket 351 through bolts and nuts, and the other end is connected to the vertical rod of the sliding frame 352 through bolts and nuts . The two hinge plates 353, the bracket 351 and the vertical rod connecting the sliding frame 352 form a parallelogram, which can make the bracket 351 lift up and down. The hinge plate 353 below is also provided with a spring fixing seat, and one end of the tension spring 354 is connected to the spring fixing seat, and the other end is connected to the spring fixing plate. One end of the electric push rod 36 is connected on the push rod holder of the sliding frame 352 through bolts and nuts, and the other end is connected on the push rod holder of the frame 21 . When adding medicine to the medicine box 32, first start the electric push rod 36, the medicine box elevating frame 35 is pushed out, and then lower the height of the bracket 351, so as to add medicine; after filling the medicine, the bracket 351 is raised to Original height, start electric push rod 36 again, medicine box elevating frame 35 is pulled back to initial position. The bottom of the medicine box 32 is provided with a discharge valve for discharging the cleaned liquid inside the medicine box 32 .

Fan driving motor 23 and fan 24 are fixed on the flat plate of frame 21 by bolts and nuts, and the power output shaft of fan driving motor 23 and the impeller shaft of fan 24 are connected by flat keys to transmit power. The hydraulic pressure source of the fan drive motor 23 is provided by the hydraulic output device of the matching chassis, and a high-pressure hose connection (not shown) is used between the drive motor and the hydraulic output device. When the blower drive motor 23 drives the blower fan 24 to rotate at a high speed, a strong airflow is generated, which is conveyed through the fan outlet pipe 27, the air outlet connecting hose 28, the outside air supply pipe 3, and the inside air supply pipe 18, and reaches the spray device 1. The air outlet pipe 112 sprays out from the air outlet 113, atomizes the nozzle 111 to form mist and blows it to the branches and leaves of the fruit trees, so as to achieve the purpose of preventing and controlling the pests and diseases of the fruit trees.

Certainly, the present invention also can have other multiple embodiments, without departing from the spirit and essence of the present invention, those skilled in the art can make various corresponding changes and deformations according to the present invention, but these corresponding Changes and deformations should belong to the scope of protection of the appended claims of the present invention.

Claims (10)

1. A kind of 1. air-assisted type spraying machine, applied to orchard, on multifunctional agricultural chassis, it is characterised in that including：

   Frame；

   Drug delivery device, in the frame；

   Liquid fluid system, in the frame, it is connected with the drug delivery device；

   Blast system, in the frame, it is connected with the drug delivery device and the liquid fluid system；And

   Sprayer unit, it is connected with the liquid fluid system and the blast system, the sprayer unit is distinguished relative to the frame With an expanded position and a folding position.
2. 2. air-assisted type spraying machine as claimed in claim 1, it is characterised in that the drug delivery device includes：

   Chemical tank, by chemical tank crane be arranged on the frame on, the chemical tank by the liquid fluid system with it is described Sprayer unit connects, and the chemical tank has a spraying operation position and a loading position respectively relative to the frame；And

   Spray tank, in the frame, and by the liquid fluid system respectively with the chemical tank and the sprayer unit Connection.
3. 3. air-assisted type spraying machine as claimed in claim 2, it is characterised in that the chemical tank crane includes：

   Bracket, for installing the chemical tank；

   Travelling carriage, in the frame, guide rail is provided with the frame, is provided with the travelling carriage and the guide rail The sliding block of adaptation；

   Flap, it is hinged respectively with the travelling carriage and the bracket；And

   Back-moving spring, both ends are separately fixed on the flap and the travelling carriage.
4. 4. air-assisted type spraying machine as claimed in claim 2 or claim 3, it is characterised in that the liquid fluid system includes：

   Liquid pump, in the frame；

   Decoction pipeline, the spray tank and the liquid pump are connected respectively；

   Medicament pipeline, the chemical tank and the liquid pump are connected respectively；

   Atomizer passgae, it is connected respectively with the liquid pump and the sprayer unit；

   Water return pipeline, it is connected respectively with the spray tank and the atomizer passgae；And

   Liquid stream controlling organization, it is arranged on the decoction pipeline, medicament pipeline, atomizer passgae and water return pipeline.
5. 5. air-assisted type spraying machine as claimed in claim 4, it is characterised in that the liquid stream controlling organization includes：

   Adding medicine control valve, set on the medicament pipeline and close to the chemical tank；

   Absorb water reversal valve, on the decoction pipeline；

   Backwater reversal valve, on the water return pipeline being connected with the spray tank；And

   Electric pressure-regulating valve, between the water return pipeline and the atomizer passgae.
6. 6. air-assisted type spraying machine as claimed in claim 5, it is characterised in that jet mixing spray is additionally provided with the spray tank Head, mixing control valve is additionally provided with the atomizer passgae, the jet mixing shower nozzle is connected with the water return pipeline.
7. 7. air-assisted type spraying machine as claimed in claim 4, it is characterised in that the sprayer unit includes：

   Spray boom, including left side spray boom, right side spray boom and middle spray boom, the middle spray boom are arranged on the machine by lifting frame On frame, the left side spray boom and right side spray boom are separately mounted to the both ends of the middle spray boom；

   Fold mechanism, including lift cylinder, folding ram and hoist cylinder, the both ends of the hoist cylinder respectively with the frame And the middle spray boom connection, the left side spray boom and right side spray boom are respectively arranged with the corresponding lift cylinder and fold oil Cylinder, one end of the lift cylinder are connected by spray boom link and the middle spray boom, the other end point of the lift cylinder Not connected with the corresponding left side spray boom and right side spray boom, one end of the folding ram is connected with the spray boom link, The other end of the folding ram is connected with middle spray boom respectively；And

   Multiple humidifiers, correspond to be arranged on the left side spray boom, right side spray boom and middle spray boom respectively, each spraying Mechanism is connected with the atomizer passgae respectively.
8. 8. air-assisted type spraying machine as claimed in claim 7, it is characterised in that the humidifier includes：

   Multiple shower nozzles, it is connected respectively with the atomizer passgae；And

   At least one discharge pipe, it is connected and installs on the spray boom with the blast system, be provided with the discharge pipe multiple Air outlet, each it is separately installed with the shower nozzle in the air outlet.
9. 9. air-assisted type spraying machine as claimed in claim 8, it is characterised in that the discharge pipe is two, described two air-out Pipe is connected by the bindiny mechanism that sprays with the spray boom, and the spraying bindiny mechanism includes fixed mount, intermediate connection tube, two supports Plate, two support tubes and sliding sleeve, one end of the supporting plate are connected with the support tube, and the other end of the supporting plate passes through connection Plate is connected with the intermediate connection tube, and one end of the support tube is connected with the sliding sleeve, and the other end of the support tube passes through Air-out manifold clamp is connected with the discharge pipe, and the sliding sleeve is sleeved on the intermediate connection tube, by being slided over described in change Fixed position on the intermediate connection tube adjusts the distance between described two discharge pipes.
10. 10. air-assisted type spraying machine as claimed in claim 8, it is characterised in that the blast system includes：

    Blower fan, in the frame；

    Fan drive motor, it is connected with the blower fan；And

    Ajutage, by blowing, distribution pipe is connected with the blower fan, and is supported on the spray boom by the installation of ajutage fixed seat On, the discharge pipe is connected on the ajutage, and the atomizer passgae is spraying hose, and the spraying hose is sent along described Walk inside airduct and be connected with the shower nozzle.