CN113951231B - Double-system combined pesticide spraying machine - Google Patents
Double-system combined pesticide spraying machine Download PDFInfo
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- CN113951231B CN113951231B CN202111212998.8A CN202111212998A CN113951231B CN 113951231 B CN113951231 B CN 113951231B CN 202111212998 A CN202111212998 A CN 202111212998A CN 113951231 B CN113951231 B CN 113951231B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
- A01M7/0003—Atomisers or mist blowers
- A01M7/0014—Field atomisers, e.g. orchard atomisers, self-propelled, drawn or tractor-mounted
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
- A01M7/005—Special arrangements or adaptations of the spraying or distributing parts, e.g. adaptations or mounting of the spray booms, mounting of the nozzles, protection shields
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
- A01M7/0089—Regulating or controlling systems
Abstract
The invention belongs to the technical field of pesticide spraying machines, and discloses a dual-system combined pesticide spraying machine which comprises a self-propelled land, a sectional variable pesticide spraying device and a target variable pesticide spraying device. The self-propelled land can walk automatically; the sectional variable pesticide applying device is fixedly connected to the self-propelled land and comprises an axial flow fan and a plurality of variable spraying components which are vertically distributed, wherein an air outlet of the axial flow fan is communicated with the variable spraying components, and the sectional variable pesticide applying device is used for spraying pesticide to the main area of the canopy; the target variable pesticide applying device is fixedly connected to the self-propelled land, and comprises a centrifugal fan and a plurality of vertically distributed target spraying components, wherein an air outlet of the centrifugal fan is communicated with the target spraying components, and the target variable pesticide applying device is used for spraying pesticide to the lateral branch intersection area. The dual-system combined pesticide spraying machine can perform targeted pesticide spraying operation on the main body area of the canopy and the lateral branch intersection area simultaneously, improves the refinement of the pesticide spraying operation of an orchard, and reduces pesticide injury pollution.
Description
Technical Field
The invention relates to the technical field of pesticide spraying machines, in particular to a dual-system combined pesticide spraying machine.
Background
Along with popularization of standardized cultivation technology of orchards, arbor and fruit trees such as apples, pears and peaches commonly adopt a cultivation mode of 'queuing' arrangement. In the cultivation mode, fruit tree crowns are sequentially arranged at a certain interval, lateral branch intersection areas exist between crown main body areas of adjacent fruit trees, and the crown main body areas and the lateral branch intersection areas of the whole row of fruit trees are alternately distributed. The differences of the branch and leaf distribution characteristics, the branch and leaf density indexes and the like of the intersection area of the main body area of the canopy are large, wherein the branches and leaves of the main body area of the canopy are thick and concentrated in distribution, and large air quantity and high penetration pesticide application operation are needed; the branches and leaves in the lateral branch intersection area are discretely distributed, pesticide loss is easily caused by large-air-volume pesticide application, and high-air-pressure accurate target pesticide application is needed. Therefore, the fog drop penetrability of the pesticide application operation and the target accuracy requirements of different areas are obviously different, and if the different operations are not performed, the refinement of the pesticide application operation of an orchard can be reduced, and the pesticide damage pollution is increased. The existing spraying machine is generally only provided with one spraying system, and is difficult to adjust spraying air quantity and air pressure, cannot achieve refinement and has low operation mode switching efficiency when different spraying operations are performed aiming at different canopy areas and side branch areas of trees.
Disclosure of Invention
The invention aims to provide a dual-system combined pesticide spraying machine which can perform targeted pesticide spraying operation on a main body area of a canopy and a lateral branch intersection area at the same time, does not need to switch operation modes, improves the refinement and high efficiency of pesticide spraying operation of an orchard, and reduces pesticide injury pollution.
To achieve the purpose, the invention adopts the following technical scheme:
a dual system combined application sprayer comprising:
the self-propelled floor can automatically walk;
the sectional variable pesticide application device is fixedly connected to the self-propelled land, and comprises an axial flow fan and a plurality of variable spraying components which are vertically distributed, wherein an air outlet of the axial flow fan is communicated with the variable spraying components, and the sectional variable pesticide application device is configured to spray pesticide to a main canopy area; and
the target variable pesticide applying device is fixedly connected to the self-propelled land disc and comprises a centrifugal fan and a plurality of vertically distributed target spraying components, an air outlet of the centrifugal fan is communicated with the target spraying components, and the target variable pesticide applying device is configured to spray pesticide to a lateral branch intersection area.
As a preferable structure of the present invention, further comprising:
the canopy identification device is fixedly connected to the self-propelled land, and comprises a laser radar scanning assembly and a walking positioning assembly, wherein the laser radar scanning assembly can acquire tree canopy information, and the walking positioning assembly can acquire the space position and the walking information of the self-propelled land;
the intelligent measurement and control device is in communication connection with the canopy identification device, and can receive information sent by the canopy identification device and control the sectional variable pesticide application device and/or the target variable pesticide application device to work.
As a preferred structure of the present invention, the variable spray assembly includes:
one end of the air duct is communicated with the axial flow fan;
the air volume adjusting mechanism is arranged on the air duct and is configured to adjust the air volume in the air duct;
the first spray head is arranged in the air duct and is configured to spray mist drops; and
the air guide sleeve is fixedly connected to one end, away from the axial flow fan, of the air cylinder.
As a preferable structure of the invention, the air quantity adjusting mechanism comprises a sliding circular ring and a plurality of choke bending plates, and the air duct is provided with a plurality of choke openings; the sliding ring is in sliding connection outside the air duct, one end of the choke bending plate is rotationally connected with the sliding ring, and the other end of the choke bending plate can penetrate through the choke opening to extend into the air duct.
As a preferable structure of the invention, the air volume adjusting mechanism further comprises a plurality of sliding grooves, the sliding grooves are uniformly arranged on the outer peripheral wall of the air duct at intervals, the sliding grooves extend along the axial direction of the air duct, and the sliding circular ring can slide along the sliding grooves.
As a preferable structure of the variable spraying component, the variable spraying component further comprises a rectifying mechanism, wherein the rectifying mechanism is arranged at one end, close to the air guide cover, in the air duct, and comprises a plurality of rectifying plates, one ends of the rectifying plates are fixedly connected to the inner wall of the air duct, and the other ends of the rectifying plates extend along the radial direction of the air duct and are intersected.
As a preferred structure of the present invention, the segmented variable dispensing device further comprises an air guiding assembly comprising:
the air guide plate is fixedly connected with the axial flow fan, the air guide plate is provided with a plurality of interfaces, the interfaces are uniformly arranged at intervals along the circumferential direction of the air guide plate, and the interfaces are communicated with the air outlet of the axial flow fan;
the air guide pipes are communicated with the connectors at one ends and the variable spraying components at the other ends, and comprise a first air guide section and a second air guide section which are communicated with each other, and the angle between the first air guide section and the second air guide section is adjustable.
As a preferred structure of the present invention, the counter spray assembly includes:
the air guide claw is provided with a plurality of pneumatic atomizing nozzles which can be vertically distributed;
the centrifugal fan comprises a centrifugal fan body, a centrifugal fan body and an air guide claw, wherein one end of the centrifugal fan body is communicated with the centrifugal fan body, the other end of the centrifugal fan body is communicated with the air guide claw body, the centrifugal fan body comprises a first rotating arm and a second rotating arm which are communicated with each other, and an angle between the first rotating arm and the second rotating arm is adjustable.
As a preferable structure of the present invention, the air guiding claw further includes:
the wind claw body is provided with a plurality of wind claws which are vertically arranged;
and one side of the rotating ball is rotationally connected with the air claw, and the other side of the rotating ball is communicated with the pneumatic atomizing nozzle.
As a preferred structure of the present invention, the target variable dispensing device further includes an air supply assembly, the air supply assembly including:
the air guide manifolds are fixedly connected with the centrifugal fan;
and one end of the air supply pipe is communicated with the air guide manifold, and the other end of the air supply pipe is communicated with the target spraying assembly.
The invention has the beneficial effects that: the dual-system combined pesticide spraying machine provided by the invention is provided with a sectional variable pesticide spraying device and a dual-system operation mode of the target variable pesticide spraying device, wherein the sectional variable pesticide spraying device adopts an axial flow fan with large air quantity, strong fog drop conveying capability and high canopy penetrability, and large-flow conveying air flow generated by the axial flow fan is subjected to sectional and diversion control in the vertical direction through a plurality of variable spraying components, and sectional variable pesticide spraying is carried out on canopy main areas of each row of fruit trees according to parameters such as spatial position distribution of the canopy main areas of each row of fruit trees, branch and leaf density index distribution in the vertical direction and the like; the target variable pesticide applying device adopts a centrifugal fan with high wind pressure and good air flow targeting, forms targeted atomized air flow through a plurality of vertically distributed target spraying components, and accurately applies the target variable pesticide according to the spatial position and the morphological change of the side branches in the side branch intersection area; the dual-system combined pesticide spraying machine has the penetrability of large air quantity and the accuracy of high air pressure, realizes the high air quantity and strong penetration pesticide spraying in the main area of the canopy, can accurately spray the pesticide to the target by the high air pressure in the lateral branch intersection area, can perform dual-system combined operation without function switching, improves the refinement and high efficiency of variable pesticide spraying operation of an orchard, improves the effective utilization rate of pesticides, and reduces the pollution caused by phytotoxicity.
Drawings
FIG. 1 is a schematic diagram of a dual system combined application sprayer according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a dual system combined application sprayer according to an embodiment of the present invention;
FIG. 3 is a schematic view of a sectional variable dispensing device according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a variable spray assembly according to an embodiment of the present invention;
FIG. 5 is a schematic view of a target variable delivery device according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a target spray assembly according to an embodiment of the present invention.
In the figure:
1. a self-propelled tray; 2. a segmented variable dispensing device; 21. an axial flow fan; 22. a variable spray assembly; 221. an air duct; 2211. blocking the air port; 222. an air volume adjusting mechanism; 2221. a sliding ring; 2222. a choke plate; 2223. a chute; 223. a first nozzle; 224. a guide cover; 225. a rectifying plate; 23. an air guide assembly; 231. an air guiding disc; 232. an air guide pipe; 2321. a first air guiding section; 2322. the second air guide section; 3. a variable delivery device for delivering a variable to a target; 31. a centrifugal fan; 32. a target spray assembly; 321. an air guiding claw; 3211. pneumatic atomizing nozzle; 3212. a wind claw body; 3213. a rotating ball; 322. a rotating arm; 3221. a first rotating arm; 3222. a second rotating arm; 33. an air supply assembly; 331. an air guide manifold; 332. an air supply pipe; 4. a canopy identification device; 5. an intelligent measurement and control device;
100. a canopy body region; 200. and a lateral branch junction area.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
As shown in fig. 1-6, an embodiment of the present invention provides a dual system combined application sprayer, which comprises a self-propelled floor 1, a sectional variable application device 2 and a target variable application device 3. As shown in fig. 2, the self-propelled pan 1 is capable of traveling automatically, and in this embodiment, the self-propelled pan 1 is a crawler-type traveling device capable of moving on the ground of an orchard. The structure and the walking principle of the self-propelled chassis 1 are known in the art, and the description of this embodiment is omitted here. The sectional type variable pesticide application device 2 is fixedly connected to the self-propelled land 1, the sectional type variable pesticide application device 2 comprises an axial flow fan 21 and a plurality of variable spraying components 22 which are vertically distributed, an air outlet of the axial flow fan 21 is communicated with the variable spraying components 22, and the sectional type variable pesticide application device 2 is configured to spray pesticide to the canopy main body area 100. The segmented variable pesticide application device 2 can segment and guide the high-flow transportation airflow generated by the axial flow fan 21 in the vertical direction through a plurality of variable spraying components 22, and perform segmented variable pesticide application on the canopy main body areas 100 of each row of fruit trees according to the parameters such as the spatial position distribution of the canopy main body areas 100 of each row of fruit trees, the branch and leaf density index distribution in the vertical direction and the like.
The target variable pesticide applying device 3 is fixedly connected to the self-propelled chassis 1, and is staggered with the sectional variable pesticide applying device 2 along the traveling direction of the self-propelled chassis 1, so that the simultaneous operation is facilitated. The targeted variable delivery device 3 comprises a centrifugal fan 31 and a plurality of targeted spray assemblies 32 which are vertically distributed, wherein an air outlet of the centrifugal fan 31 is communicated with the targeted spray assemblies 32, and the targeted variable delivery device 3 is configured for spray delivery to the lateral branch intersection area 200. The centrifugal fan 31 has high outlet wind pressure and good air flow targeting, the target variable drug delivery device 3 utilizes high-pressure air flow provided by the centrifugal fan 31 to form target atomized air flow through a plurality of vertically distributed target spray assemblies 32, and the target variable drug delivery is accurately carried out according to the spatial position and the morphological change of the side branches in the side branch intersection area 200.
It will be appreciated that the dual system combined dispensing sprayer of the present embodiment is also provided with a hydraulic drive system for powering the segmented variable dispensing device 2 and the spray dispensing operation to the targeted variable dispensing device 3, and that in other embodiments, an electric drive may be used, the present embodiment is not limited thereto. The dual-system combined pesticide spraying machine provided by the embodiment of the invention is provided with the sectional variable pesticide spraying device 2 and the target variable pesticide spraying device 3, and simultaneously has the penetrability of large air quantity and the accuracy of high air pressure, so that the large air quantity and strong penetrating pesticide spraying in the main canopy region 100 is realized, the high air pressure in the lateral branch intersection region 200 can accurately spray the target, the dual-system simultaneous combined operation can be performed, the function switching is not needed, the refinement and the high efficiency of the orchard variable pesticide spraying operation are improved, the pesticide effective utilization rate is improved, and the pesticide damage pollution is reduced.
Further, the dual-system combined pesticide spraying machine also comprises a canopy identification device 4 and an intelligent measurement and control device 5. The canopy identifying device 4 is fixedly connected to the self-propelled chassis 1, preferably, the canopy identifying device 4 is fixed at the front end of the self-propelled chassis 1, so as to facilitate detection of canopy information of fruit trees. The canopy identification device 4 comprises a laser radar scanning assembly and a walking positioning assembly, wherein the laser radar scanning assembly can acquire tree canopy information, and the walking positioning assembly can acquire the spatial position and the walking information of the self-propelled land disc 1. The laser radar scanning component can emit laser and collect echo point cloud information of the fruit tree canopy; the walking positioning assembly comprises a GNSS (global navigation satellite system) and an IMU (inertial sensor) positioning and attitude determining system, and the GNSS and IMU positioning and attitude determining system carries out spatial position and walking attitude assignment for the laser radar scanning assembly and the self-propelled chassis 1. It can be understood that the canopy identifying device 4 further includes a storage control unit and a point cloud data processing end, where the storage control unit collects and stores point cloud data, and the point cloud data processing end calculates canopy parameters of the entire row of fruit trees to be tested. The canopy parameters include, but are not limited to, spatial location of the canopy body region 100 and the lateral branch intersection region 200, branch and leaf distribution characteristics, branch and leaf density index, etc., and provide feed forward information for the combined operation of the segmented variable dispensing device 2 and the targeted variable dispensing device 3 of the dual system combined dispensing sprayer. The intelligent measurement and control device 5 is in communication connection with the canopy identification device 4, and the intelligent measurement and control device 5 can receive information sent by the canopy identification device 4 and control the sectional variable drug delivery device 2 and/or the target variable drug delivery device 3 to work. Preferably, the intelligent measurement and control device 5 comprises a pesticide application decision model, a high-speed processor, a memory and the like, the intelligent measurement and control device 5 comprehensively processes feedforward canopy information acquired by the canopy identification device 4 and machine running state information of the self-propelled land 1, the high-speed processor is used for resolving the pesticide application decision model to form operation requirement planning and pesticide application decision information guided by canopy pesticide application requirements, decision information of the segmented variable pesticide application of the canopy main body region 100 and the side branch intersection region 200 for target variable pesticide application is formulated, and execution commands are respectively sent to the segmented variable pesticide application device 2 and the target variable pesticide application device 3 to perform double-system multi-region combined operation, as shown in fig. 1. Through canopy recognition device 4 and intelligent measurement and control device 5, the whole intellectualization of detection, decision and medicine application can be realized to the combined medicine application atomizer of dual system.
Further, as shown in fig. 4, the variable spray assembly 22 includes a duct 221, an air volume adjustment mechanism 222, a first nozzle 223, and a pod 224. One end of the air duct 221 is communicated with the axial flow fan 21, an air quantity adjusting mechanism 222 is arranged on the air duct 221, and the air quantity adjusting mechanism 222 is configured to adjust the air quantity in the air duct 221; the air volume can be adjusted by the air volume adjusting mechanism 222, and targeted operations can be performed on different canopy main body areas 100. The first spray head 223 is disposed within the air duct 221, and the first spray head 223 is configured to spray mist droplets. The air guide sleeve 224 is fixedly connected to one end of the air duct 221 away from the axial flow fan 21; preferably, the air guide sleeve 224 is a horn-shaped flat opening, one end of the small opening is connected with the air duct 221, and one end of the large opening freely extends, so that the spraying range of the mist drops can be enlarged, and a better air guide effect is achieved; the flat port has a long end and a short end, the long end extends along the vertical direction, and can cover more spraying areas in the vertical plane.
Further, the air volume adjusting mechanism 222 includes a sliding ring 2221 and a plurality of choke bend plates 2222, and the air duct 221 is provided with a plurality of choke openings 2211, as shown in fig. 4; the sliding ring 2221 is slidably connected to the air duct 221, one end of the choke plate 2222 is rotatably connected to the sliding ring 2221, and the other end of the choke plate can extend into the air duct 221 through the choke port 2211. Preferably, two sides of the choke 2211 are provided with rotatable rollers, and the rollers extend along the length direction of the choke 2211; when the choke plate 2222 passes through the choke port 2211 and stretches out and draws back, the rotatable drum can reduce friction between the choke port 2211 and the choke plate 2222, and the choke plate 2222 is ensured to stretch out and draw back freely in the air duct 221. It can be understood that the larger the area of the choke plate 2222 in the air duct 221 is, the smaller the air volume in the air duct 221 is, and when the choke plate 2222 slides in the choke port 2211 to reduce the area in the air duct 221, the air volume in the air duct 221 is correspondingly increased, so as to achieve the purpose of air volume adjustment.
Further, the air volume adjusting mechanism 222 further includes a plurality of sliding grooves 2223, the plurality of sliding grooves 2223 are uniformly arranged on the outer peripheral wall of the air duct 221 at intervals, the sliding grooves 2223 extend along the axial direction of the air duct 221, and the sliding ring 2221 is sleeved outside the air duct 221 and can slide along the sliding grooves 2223, as shown in fig. 4. The expansion and contraction amount of the choke plate 2222 in the air duct 221 is regulated by the reciprocating motion of the sliding circular ring 2221 in the sliding groove 2223, so that the air quantity in the air duct 221 is quickly regulated. The length of the sliding groove 2223 can limit the sliding range of the sliding ring 2221 in the axial direction of the air duct 221, thereby controlling the air volume adjusting capability of the choke plate 2222.
Further, the variable spraying component 22 further includes a rectifying mechanism, where the rectifying mechanism is disposed at one end of the air duct 221 near the air guide sleeve 224, the rectifying mechanism includes a plurality of rectifying plates 225, one end of the plurality of rectifying plates 225 is fixedly connected to the inner wall of the air duct 221, and the other end extends along the radial direction of the air duct 221 and intersects with the air duct, that is, the plurality of rectifying plates 225 intersect with the axis of the air duct 221 and radially extend along the radial direction of the air duct 221. The wind direction in the wind drum 221 can be rectified through the rectification plate 225, so that the wind quantity is more concentrated and the flow speed is faster. Preferably, the first nozzle 223 is fixed to the rectifying mechanism, and the rectified wind has a stronger transportation capability for mist droplets ejected from the first nozzle 223.
Still further, the segmented variable applicator 2 further includes an air guide assembly 23, the air guide assembly 23 including an air guide plate 231 and a plurality of air guide tubes 232. The air guide disc 231 is fixedly connected with the axial flow fan 21, the air guide disc 231 is provided with a plurality of interfaces, the interfaces are uniformly distributed along the circumferential direction of the air guide disc 231 at intervals, and the interfaces are communicated with the air outlet of the axial flow fan 21, as shown in fig. 3. One end of the air guide pipe 232 is communicated with the interface, and the other end is communicated with the variable spraying component 22; the plurality of air guide pipes 232 are in a multi-claw radial shape, so that a plurality of variable spraying components 22 are distributed on two sides of the self-propelled floor 1, and can simultaneously spray the canopy main body areas 100 on two sides, thereby improving the operation efficiency. The air duct 232 includes a first air guiding segment 2321 and a second air guiding segment 2322 that are mutually communicated, and an angle between the first air guiding segment 2321 and the second air guiding segment 2322 is adjustable. By adjusting the angle between the first air guiding segment 2321 and the second air guiding segment 2322, the variable spraying components 22 are uniformly distributed at intervals in the vertical direction, and a more uniform application effect is achieved.
Further, the target spray assembly 32 includes a wind-guiding claw 321 and a rotating arm 322, as shown in fig. 5. The air guide claw 321 is provided with a plurality of pneumatic atomizing nozzles 3211 which can be vertically arranged, as shown in fig. 6, the pneumatic atomizing nozzles 3211 atomize the liquid medicine into fog drops by utilizing high-pressure and high-speed air flow, so that the fog drops are distributed more uniformly, and the targeting performance is better. One end of the rotating arm 322 is communicated with the centrifugal fan 31, the other end of the rotating arm 322 is communicated with the air guide claw 321, the rotating arm 322 comprises a first rotating arm 3221 and a second rotating arm 3222 which are communicated with each other, and an angle between the first rotating arm 3221 and the second rotating arm 3222 is adjustable. It will be appreciated that both the first and second arms 3221, 3222 are hollow-interior delivery tubes and are hinged using an adapter, such that angular adjustment between the first and second arms 3221, 3222 is achieved through the adapter without affecting wind flow. The rotating arm 322 can make the second rotating arm 3222 turn to target according to the spatial position of the inner branch of the lateral branch intersection area 200, that is, adjust the position of the air guiding claw 321 on the vertical plane, so that the pneumatic atomizing nozzle 3211 of the air guiding claw 321 is more accurately aligned to the branch intersection area 200.
Further, the wind-guiding claw 321 further includes a wind-claw body 3212 and a plurality of rotating balls 3213. The air claw body 3212 is provided with a plurality of air claws which can be vertically arranged, and the positions of the single pneumatic atomizing spray heads 3211 can be easily adjusted through the air claws with a plurality of branches. One side of the rotating ball 3213 is rotationally connected with the wind claw body 3212, the other side is communicated with the pneumatic atomizing nozzle 3211, and the rotating ball 3213 can drive the pneumatic atomizing nozzle 3211 to rotate in a vertical plane. The rotating ball 3213 has sealability and does not cause wind pressure loss while being rotatably connected to the wind claw body 3212. The plurality of pneumatic atomizer heads 3211 on the counter-target spray assembly 32 are combined with one another to collectively form a targeted atomizing air flow. The turning ball 3213 drives the pneumatic atomization spray nozzle 3211 to turn in a linkage way, and the vertical width of the targeted atomization airflow of the targeted variable drug delivery device 3 can be adjusted according to the vertical width change of the branch form inside the lateral branch intersection region 200.
Further, the targeted variable delivery device 3 further includes an air supply assembly 33, and the air supply assembly 33 includes an air guide manifold 331 and a plurality of air supply pipes 332. The air guide manifold 331 is fixedly connected with the centrifugal fan 31; one end of each of the plurality of blast pipes 332 is respectively communicated with the air guide manifold 331, and the other end is communicated with the target spraying components 32 to form a multi-claw radial shape, so that the plurality of target spraying components 32 are distributed on two sides of the self-propelled floor 1, and spraying operation can be performed on the lateral branch intersection areas 200 on two sides at the same time, so that the operation efficiency is higher. Preferably, the blast pipe 332 is made of a hard smooth inner wall pipe, can be bent in a universal way, has good supporting performance, is convenient for adjusting the position of the single target spraying assembly 32 in a vertical plane, can increase or reduce the spraying area of the target variable dispensing device 3, and is more accurately aligned with the lateral branch intersection area 200.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the invention. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (9)
1. A dual system, combined application sprayer, comprising:
a self-propelled floor (1), wherein the self-propelled floor (1) can walk automatically;
the sectional variable pesticide applying device (2), the sectional variable pesticide applying device (2) is fixedly connected to the self-propelled land (1), the sectional variable pesticide applying device (2) comprises an axial flow fan (21) and a plurality of variable spraying components (22) which are vertically distributed, and an air outlet of the axial flow fan (21) is communicated with the variable spraying components (22);
the target variable pesticide applying device (3), the target variable pesticide applying device (3) is fixedly connected to the self-propelled land disc (1), the target variable pesticide applying device (3) comprises a centrifugal fan (31) and a plurality of vertically distributed target spraying components (32), and an air outlet of the centrifugal fan (31) is communicated with the target spraying components (32);
the canopy identification device (4), the canopy identification device (4) is fixedly connected to the self-propelled chassis (1), the canopy identification device (4) comprises a laser radar scanning assembly and a walking positioning assembly, the laser radar scanning assembly can acquire tree canopy information, and the walking positioning assembly can acquire the spatial position and the walking information of the self-propelled chassis (1);
the intelligent measurement and control device (5), the intelligent measurement and control device (5) is in communication connection with the canopy identification device (4), the intelligent measurement and control device (5) can receive information sent by the canopy identification device (4) and control the sectional variable pesticide application device (2) and/or the target variable pesticide application device (3) to work;
the segmented variable applicator (2) is configured to: sectioning and guiding the transportation airflow generated by the axial flow fan in the vertical direction through a plurality of variable spraying components, and performing sectioning variable pesticide application on the main canopy area according to the spatial position distribution of the main canopy area, the index of the density of branches and leaves in the vertical direction and the distribution characteristics of the branches and leaves;
the targeted variable delivery device (3) is configured to: and forming targeted atomization airflow through a plurality of vertically distributed target spraying components, and carrying out target variable drug application according to the spatial position and the morphological change of the lateral branches in the lateral branch intersection area.
2. The dual system combined application sprayer according to claim 1, wherein the variable spray assembly (22) comprises:
the air duct (221), one end of the air duct (221) is communicated with the axial flow fan (21);
an air volume adjustment mechanism (222), the air volume adjustment mechanism (222) being provided on the air duct (221), the air volume adjustment mechanism (222) being configured to adjust an air volume within the air duct (221);
a first spray head (223), the first spray head (223) being disposed within the air duct (221), the first spray head (223) being configured to spray droplets; and
the air guide sleeve (224), the air guide sleeve (224) is fixedly connected to one end of the air cylinder (221) far away from the axial flow fan (21).
3. The dual system combined application sprayer according to claim 2, wherein the air volume adjustment mechanism (222) comprises a sliding ring (2221) and a plurality of choke bend plates (2222), and the air duct (221) is provided with a plurality of choke openings (2211); the sliding ring (2221) is in sliding connection outside the air duct (221), one end of the choke plate (2222) is in rotating connection with the sliding ring (2221), and the other end of the choke plate can penetrate through the choke opening (2211) to extend into the air duct (221).
4. A dual system combined application sprayer according to claim 3, wherein the air volume adjusting mechanism (222) further comprises a plurality of sliding grooves (2223), the plurality of sliding grooves (2223) are uniformly arranged on the outer peripheral wall of the air duct (221) at intervals, the sliding grooves (2223) extend along the axial direction of the air duct (221), and the sliding circular ring (2221) can slide along the sliding grooves (2223).
5. The dual system combined application sprayer according to claim 2, wherein the variable spray assembly (22) further comprises a rectifying mechanism disposed within the air duct (221) proximate to one end of the air guide housing (224), the rectifying mechanism comprising a plurality of rectifying plates (225), one end of the plurality of rectifying plates (225) being fixedly connected to an inner wall of the air duct (221), and the other end extending radially of and intersecting the air duct (221).
6. The dual system combined application sprayer according to claim 1, wherein the segmented variable application device (2) further comprises an air guide assembly (23), the air guide assembly (23) comprising:
the air guide disc (231), the air guide disc (231) is fixedly connected with the axial flow fan (21), the air guide disc (231) is provided with a plurality of interfaces, the interfaces are uniformly arranged along the circumferential interval of the air guide disc (231), and the interfaces are communicated with the air outlet of the axial flow fan (21);
the variable-volume spray device comprises a plurality of air guide pipes (232), wherein one ends of the air guide pipes (232) are communicated with the interface, the other ends of the air guide pipes are communicated with the variable-volume spray assembly (22), each air guide pipe (232) comprises a first air guide section (2321) and a second air guide section (2322) which are communicated with each other, and an angle between each first air guide section (2321) and each second air guide section (2322) is adjustable.
7. The dual system combined application sprayer according to any one of claims 1-6, wherein the pair of target spray assemblies (32) comprises:
the air guide claw (321), wherein the air guide claw (321) is provided with a plurality of pneumatic atomizing spray heads (3211) which can be vertically distributed;
the rotary arm (322), one end of the rotary arm (322) is communicated with the centrifugal fan (31), the other end of the rotary arm is communicated with the air guide claw (321), the rotary arm (322) comprises a first rotary arm (3221) and a second rotary arm (3222) which are communicated with each other, and an angle between the first rotary arm (3221) and the second rotary arm (3222) is adjustable; the first rotating arm (3221) and the second rotating arm (3222) are hollow conveying pipes, are hinged through an adapter, and can enable the second rotating arm to steer to a target according to the space position of the side branch in the side branch intersection area.
8. The dual system combined application sprayer according to claim 7, wherein the air guide pawl (321) further comprises:
the wind claw body (3212), wherein the wind claw body (3212) is provided with a plurality of wind claws which are vertically arranged;
and one side of the rotating ball (3213) is rotationally connected with the wind claw, and the other side of the rotating ball is communicated with the pneumatic atomizing nozzle (3211).
9. The dual system combined application sprayer according to claim 7, wherein the targeted variable application device (3) further comprises an air supply assembly (33), the air supply assembly (33) comprising:
a plurality of air guide manifolds (331), wherein the air guide manifolds (331) are fixedly connected with the centrifugal fan (31);
and one end of the air supply pipe (332) is communicated with the air guide manifold (331), and the other end of the air supply pipe is communicated with the target spraying assembly (32).
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| CN202111212998.8A CN113951231B (en) | 2021-10-19 | 2021-10-19 | Double-system combined pesticide spraying machine |
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