CN113558033A - Pneumatic spraying insecticide sprayer - Google Patents

Abstract

The invention provides an air-assisted spraying insecticide sprayer, and belongs to the technical field of agriculture. The air-assisted spraying pesticide spraying device solves the problems that part of pesticide sprayed by the existing air-assisted spraying pesticide spraying device is condensed into water drops and naturally settles. The air-assisted spraying insecticide spraying device comprises a shell assembly, a fan and a sprayer, wherein an air passing channel is arranged in the shell assembly, an air inlet of the air passing channel is positioned on one end wall of the shell assembly, and an air outlet of the air passing channel is positioned on the side wall of the shell assembly; cross the wind passageway and include air inlet section and air-out section, and the fan is located the air inlet section, and the shower nozzle is located the air-out section, crosses the wind passageway and still includes the drainage section, through drainage section intercommunication between air inlet section and the air-out section, is provided with the rectification structure in the drainage section, rectification structure and casing subassembly fixed connection. The air-passing channel of the air-conveying spraying insecticide sprayer is additionally provided with a drainage section and a rectification structure in the drainage section; improve the peripheral atmospheric pressure homogeneity in the air-out section, reduce the possibility that the water smoke of spouting from the shower nozzle condenses to be the water droplet, the air current takes away more water smoke promptly.

Description

Pneumatic spraying insecticide sprayer

Technical Field

The invention belongs to the technical field of agriculture, and relates to a pesticide spraying device, in particular to an air-assisted spraying pesticide spraying device.

Background

The pesticide spraying device is a pesticide spraying device which is a device for spraying pesticides by pneumatic spraying. Many documents relate to a pesticide spraying apparatus, such as a self-propelled pesticide sprayer (application No. 201922090839. X), which includes components such as a crawler, an internal combustion engine, a pesticide box, a fan, a pesticide pump, an oil pump, and an oil tank. The upper part of the fan supporting frame is provided with a fan, and the medicine pump outputs medicine liquid to a spraying device of the fan; although the structure can realize pesticide spraying, the structure has the following defects: 1. the length of the sprayed liquid medicine is relatively short, and the liquid medicine is usually only suitable for spraying pesticide on short shrubs and is not suitable for spraying pesticide on tall trees. 2. Part of the pesticide sprayed by the spraying device is condensed into water drops which drop on the ground under the action of gravity, so that the agriculture is wasted, and the environment is influenced. 3. The medical kit and the fan set up respectively at the both ends of longeron, not only have the liquid medicine transport distance long, the problem that the pipe arrangement is complicated, still have the vehicle walking liquid medicine can rock in the medical kit to and along with the liquid medicine is used gradually, the transfer can take place for the vehicle focus, and then is unfavorable for the walking, especially is unfavorable for climbing.

Disclosure of Invention

The invention provides an air-blowing spraying insecticide sprayer and aims to solve the technical problem of improving the pesticide use efficiency of the air-blowing spraying insecticide sprayer.

The technical problem to be solved by the invention can be realized by the following technical scheme: an air-assisted spraying insecticide sprayer comprises a shell assembly, a fan and a sprayer, wherein an air passing channel is arranged in the shell assembly, an air inlet of the air passing channel is positioned on one end wall of the shell assembly, and an air outlet of the air passing channel is positioned on the side wall of the shell assembly; cross the wind passageway and include air inlet section and air-out section, and the fan is located the air inlet section, and the shower nozzle is located the air-out section, and its characterized in that crosses the wind passageway and still includes the drainage section, through drainage section intercommunication between air inlet section and the air-out section, is provided with the rectification structure in the drainage section, rectification structure and casing subassembly fixed connection.

Compared with the prior art, the air-passing channel of the air-blowing spraying insecticide sprayer is additionally provided with the drainage section and the rectification structure in the drainage section. The inner side surface of the drainage section and the rectification structure can enable airflow to flow into the air outlet section more smoothly, and disturbance airflow is remarkably reduced; the rectification structure also improves the air pressure uniformity in the air outlet section, especially obviously improves the circumferential air pressure uniformity in the air outlet section, and then reduces the possibility that the water mist sprayed out of the spray head is condensed into water drops, namely the air flow takes away more water mist.

In the above-mentioned pneumatic spraying insecticide sprayer, the flow-regulating structure comprises a splitter plate which enables the airflow to flow in layers.

In the above-mentioned air-assisted spraying insecticide spraying device, the splitter plate includes an air-out splitter portion located in the air-out section.

In foretell wind send spraying laxative device, the flow distribution plate is still including the drainage reposition of redundant personnel portion that is located the drainage section, and drainage reposition of redundant personnel portion is the frustum of a cone form, links up and smooth transition setting between drainage reposition of redundant personnel portion and the air-out reposition of redundant personnel portion.

In the above-mentioned wind send spraying laxative device, the fairing structure still includes the axial fairing spare that is located the air inlet section.

In foretell wind send spraying laxative device, the axial fairing includes many fairing parts, and many fairing parts are evenly distributed around the axial lead circumference of air inlet section, and the longitudinal line of fairing part and the radial line coincidence of air inlet section.

In the above-mentioned air-assisted spray insecticide sprayer, the housing assembly comprises a fan housing and a front end plate; the front end plate comprises a cone frustum-shaped drainage part, and a drainage section is formed between the drainage part and the fan cover.

In the above-mentioned pneumatic spraying insecticide sprayer, the front end plate further includes a bottom wall portion located below the drainage portion, and the bottom wall portion plugs a bottom region of the air outlet section.

In the above-mentioned air-assisted spraying insecticide sprayer, the nozzles are arranged in a staggered manner in the axial direction of the air inlet section.

In the above-mentioned wind send the spray insecticide sprayer, install the pipe support in the said body assembly, there are a plurality of branch pipe parts to penetrate in the air-out section in the pipe support, the branch pipe part rotates and connects with shower nozzle one-to-one; the nozzle comprises a connecting pipe, a nozzle body and nozzle caps, wherein the nozzle body is rotatably connected with the connecting pipe, and two groups of nozzle caps are arranged on the nozzle body.

Drawings

Fig. 1 and 2 are schematic perspective views of the crawler-type air-assisted spraying insecticide sprayer from different viewing angles.

Fig. 3 is a front view structure schematic diagram of the pneumatic spraying insecticide sprayer.

Fig. 4 is a schematic sectional structure view of a-a in fig. 3.

Fig. 5 is a front view structural diagram of the state that the front end plate of the pneumatic spraying insecticide sprayer is hidden.

Fig. 6 is a schematic view of an exploded structure of an air-assisted spray insecticide sprayer.

Fig. 7 is a schematic perspective view of the head.

Fig. 8 is a front view schematically showing the structure of the head.

Fig. 9 is a schematic sectional structure view of B-B in fig. 8.

Fig. 10 is a perspective view of the medicine box in a state where one side wall is hidden.

In the figure, 10, the frame; 20. a power source; 30. a crawler wheel; 40. a diaphragm pump; 50. a transmission mechanism; 50a, an output section; 60. a medicine chest; 60a, an installation tube part; 60b, a partition plate; 70. an air-conveying spraying insecticide sprayer; 80. a driving console; 90. a water separator; 1. a housing assembly; 1a, a fan cover; 1a1, an air inlet part; 1a2, rear air outlet side wall part; 1b, a front end plate; 1b1, drainage part; 1b2, air outlet front side wall part; 1b3, bottom wall portion; 1b31, left drainage bevel; 1b32, right drainage bevel; 2. a fan; 3. a spray head; 3a, connecting pipes; 3b, a spray head body; 3c, a spray head cap; 4. an air passage; 4a, an air inlet section; 4b, an air outlet section; 4c, a drainage section; 5. a protective cover; 5a, a protective net part; 6. an axial fairing; 6a, a rectifier part; 7. a flow distribution plate; 7a and an air outlet flow dividing part; 7b, a drainage shunt part; 8. a pipe frame; 8a, a branch pipe portion; 9. a loose joint.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, the crawler-type air-assisted spraying insecticide sprayer comprises a frame 10, a power source 20, crawler wheels 30, a diaphragm pump 40, a transmission mechanism 50, an insecticide box 60 and an air-assisted spraying insecticide sprayer 70; the pneumatic spray insecticide sprayer 70 comprises a housing assembly 1, a fan 2 and a plurality of groups of spray heads 3.

The crawler wheels 30 are installed below the frame 10, the power source 20 is installed on one side of the front end of the frame 10, the driving control console 80 is installed on the other side of the front end of the frame 10, the medicine box 60 is fixed in the middle of the frame 10, and the shell assembly 1 of the air-assisted spraying and pesticide spraying device 70 is fixed at the rear end of the frame 10.

The track wheels 30 are connected to the power source 20 through a transmission mounted on the frame 10. The transmission mechanism 50 is mounted on the frame 10, and the transmission mechanism 50 connects the input shaft of the diaphragm pump 40 and the fan 2 of the pneumatic spraying insecticide spraying device 70 with the power source 20. The diaphragm pump 40 is installed below the stool of the driving console 80, which can improve space utilization and achieve improved compactness.

As shown in fig. 10, the medicine box 60 has mounting tube portions 60a provided in the front and rear, the inner cavity of the mounting tube portion 60a penetrates in the front and rear, and the transmission shaft of the transmission mechanism 50 passes through the mounting tube portion 60 a; a plurality of partition plates 60b are installed in the medicine box 60, and the partition plates 60b are fixedly connected with the installation pipe portion 60 a; this structure not only has structural design rationally, simple structure and compactness, and advantage that medical kit 60 intensity is high to and baffle 60b can show and alleviate medical kit 60 internal storage solution and vibrate, improve security and stability of traveling.

The inner chamber of the medicine chest 60 is communicated with the liquid inlet of the diaphragm pump 40, and the multiple groups of spray heads 3 are communicated with the liquid outlet of the diaphragm pump 40 through the water separator 90, so that the consistency of the pressure of the solution sprayed by the spray heads 3 is obviously improved, and the consistency of the solution atomization effect is improved.

As shown in fig. 3 to 6, the housing assembly 1 of the air-assisted spray insecticide device 70 includes a fan housing 1a and a front end plate 1 b; the front end plate 1b is located on the front side of the fan cover 1a, that is, the front end plate 1b is located between the fan cover 1a and the medicine box 60; the front end plate 1b and the fan cover 1a are fixedly connected through bolts and nuts, so that the production of parts of the shell assembly 1 is facilitated, the disassembly and the assembly of the air-conveying spraying insecticide spraying device 70 are facilitated, and the manufacturing and maintenance cost is reduced.

An air passing channel 4 is arranged in the shell component 1, an air inlet of the air passing channel 4 is positioned on the rear end wall of the shell component 1, and an air outlet of the air passing channel 4 is positioned on the side wall of the shell component 1. The air passing channel 4 comprises an air inlet section 4a, an air outlet section 4b and a flow guide section 4c communicated with the air inlet section 4a and the air outlet section 4 b. The fan cover 1a comprises a circular tube-shaped air inlet part 1a1 and an air outlet rear side wall part 1a2 vertically arranged relative to the air inlet part 1a1, wherein the air outlet rear side wall part 1a2 is connected with one end part of the air inlet part 1a 1; the inner cavity of the air inlet portion 1a1 is an air inlet section 4 a.

The fan 2 is positioned in the air inlet part 1a1 of the fan cover 1a, namely the fan 2 is positioned in the air inlet section 4 a; the output section 50a of the transmission mechanism 50 is mounted on the frame 10 through a bearing, and the fan 2 is fixedly connected with the output section 50 a. When the power source 20 drives the fan 2 to rotate, the fan 2 can make the air flow from the air inlet section 4a to the air outlet section 4 b. The protection cover 5 is arranged outside the fan cover 1a, the protection cover 5 is provided with the protection net part 5a, and the protection net part 5a is located on the outer side of the other end of the fan cover 1a, so that the appearance attractiveness is improved, sundries are effectively prevented from entering the air passing channel 4, and meanwhile, the fan 2 is prevented from hurting people.

The front end plate 1b comprises a truncated cone-shaped drainage part 1b1 and an air outlet front side wall part 1b2 arranged in parallel with the air outlet rear side wall part 1a 2; the air outlet front side wall portion 1b2 is located outside the flow guide portion 1b1, and the flow guide portion 1b1 is smoothly connected to the air outlet front side wall portion 1b 2. An air outlet section 4b is formed between the air outlet front side wall part 1b2 and the air outlet rear side wall part 1a 2; the flow guiding section 4c is formed between the flow guiding portion 1b1 and the fan cover 1 a. The end of the flow guide part 1b1 is inserted into the inner cavity of the air inlet part 1a1, thereby shortening the gap between the end face of the flow guide part 1b1 and the fan 2 and improving the smoothness of the air flow.

The front end plate 1b further includes a bottom wall portion 1b3 located below the drainage portion 1b1, and the bottom wall portion 1b3 is connected to the rear air outlet side wall portion 1a2, so that the bottom wall portion 1b3 blocks the bottom area of the air outlet section 4b, the air outlet section 4b is fan-shaped, and the size of the air outlet section 4b is controlled by controlling the circumferential length of the bottom wall portion 1b 3. The bottom wall portion 1b3 not only allows the airflow to flow to the left and right sides, but also forms a distinct boundary region between the airflow flowing out from the air outlet and the atmosphere, and the boundary region is arranged obliquely with respect to the horizontal plane; the flow velocity of the boundary area is obviously higher than that of other areas, so that the water mist is not favorable for settling at the air outlet. The bottom wall part 1b3 bilateral symmetry sets up, and bottom wall part 1b3 has left drainage inclined plane 1b31 and right drainage inclined plane 1b32 that set up with the horizontal plane slope, adopts the plane drainage of slope, is favorable to controlling the contained angle between boundary region and the horizontal plane to and be favorable to improving the boundary region and obviously show.

The bottom wall portion 1b3 can also follow the water drops settled in the air passing passage 4, so that the water drops are returned to the air flow, i.e. the liquid medicine is returned to the air flow; the interface region also re-atomizes the water droplets. The top surface of the bottom wall portion 1b3 is slightly higher than the bottom area of the inner side surface of the air inlet portion 1a1, so that the liquid medicine is prevented from accumulating on the bottom wall portion 1b 3.

A rectifying structure is arranged in the air passing channel 4 and is fixedly connected with the fan cover 1a of the shell component 1. The rectifying structure comprises an axial rectifying piece 6 positioned in the air inlet section 4a and a splitter plate 7 positioned in the air outlet section 4b, the axial rectifying piece 6 is used for improving the axial flow smoothness of airflow, and the splitter plate 7 enables the airflow to flow in a layered mode, so that the flow or pressure uniformity of each layer of airflow is improved.

The axial fairing 6 comprises a plurality of fairing parts 6a, the fairing parts 6a are circumferentially and uniformly distributed around the axial lead of the air inlet section 4a, and the longitudinal line of the fairing part 6a is superposed with the radial line of the air inlet section 4 a; the cross section of the fairing part 6a is rhombic; the axial rectifying piece 6 has the advantages of simple structure, low manufacturing cost and good rectifying effect. The end part of the flow guiding part 1b1 extends to the inner side of the axial rectifying piece 6, namely the axial rectifying piece 6 is sleeved on the small end of the flow guiding part 1b1, so that the airflow rectified by the axial rectifying piece 6 immediately enters the flow guiding section 4c, unnecessary turbulence of the airflow is avoided, the structure is compact, and the flowing smoothness of the airflow is improved.

The number of the flow distribution plates 7 is one, the flow distribution plates 7 include an air outlet flow distribution portion 7a located in the air outlet section 4b, the air outlet flow distribution portion 7a is annular, the air outlet flow distribution portion 7a is arranged in parallel with the air outlet rear side wall portion 1a2, the air outlet section 4b is divided into a front air outlet area close to the front end plate 1b and a rear air outlet area far away from the front end plate 1b, and generally, the air flow rate in the front air outlet area is greater than the air flow rate in the rear air outlet area. The number of the air outlet sections 4b can be increased adaptively according to actual conditions, and the air outlet sections are divided into a plurality of areas; if the number of the flow dividing plates 7 is two or three, when a plurality of flow dividing plates 7 are provided, the flow dividing plates 7 are arranged in parallel with each other. The flow distribution plate 7 further comprises a flow guiding flow distribution part 7b located in the flow guiding section 4c, the flow guiding flow distribution part 7b is in a cone frustum shape, and the flow guiding flow distribution part 7b and the air outlet flow distribution part 7a are arranged in a continuous and smooth transition mode. The drainage flow dividing part 7b not only has a pre-flow dividing function, but also has a drainage function, and the flow parallelism of the airflow is improved.

The number of the spray heads 3 is multiple groups, and the multiple groups of the spray heads 3 are arranged circumferentially around the axial lead of the air inlet section 4 a. The spray heads 3 are positioned at the outer sides of the flow distribution plates 7, and the spray heads 3 are arranged in a staggered manner in the axial lead direction of the air inlet section 4 a; thus, the number of the spray heads 3 can be adjusted according to the airflow of each area; the gas flow is improved to be more than the goodness of fit with the water mist content, and the natural settling rate of the water mist is reduced. The attached drawings of the specification show that a group of spray nozzles 3 are opposite to a front air outlet area; the other group of nozzles 3 is arranged opposite to the splitter plate 7, so that part of the water mist sprayed from the group of nozzles 3 is mixed into the airflow flowing out of the rear air outlet area, and the other part of the water mist is mixed into the airflow flowing out of the front air outlet area.

A pipe support 8 is arranged between the fan cover 1a and the protective cover 5, the pipe support 8 is fixedly connected with the shell component 1, and the inner cavity of the pipe support 8 is communicated with the water separator 90 through a pipeline; the pipe frame 8 is provided with a plurality of branch pipe parts 8a penetrating into the air outlet section 4b, and the branch pipe parts 8a are connected with the spray heads 3 in a one-to-one correspondence manner; the position of the shower head 3 can be controlled by controlling the length of the branch pipe portion 8 a.

As shown in fig. 7, 8 and 9, the spray head 3 is connected with the branch pipe part 8a through the loose joint 9, so that the spray head 3 can rotate around the axial lead of the branch pipe part 8a in the circumferential direction, and the direction of the spray opening in the spray head 3 can be flexibly adjusted; and further, the amount of water drops condensed by the water mist in the air outlet section 4b is remarkably reduced, and the atomization rate of the water mist in the air flow is improved.

The nozzle 3 comprises a connecting pipe 3a, a nozzle body 3b and nozzle caps 3c, one end part of the connecting pipe 3a is a spherical head part, the nozzle body 3b is rotationally connected with the spherical head part of the connecting pipe 3a, two groups of nozzle caps 3c are arranged on the nozzle body 3b, the two groups of nozzle caps 3c have different atomization effects, one group of nozzle caps 3c are high-jet nozzles 3, and the other group of nozzle caps 3c are fan-shaped nozzles 3; the connecting pipe 3a is sleeved with a locking cap connected with the spray head body 3 b. The adapter 3a is connected to one of the nozzle caps 3c by rotating the nozzle body 3 b.

Through the shower nozzle body 3b in whole rotatory nozzle 3 and the rotatory nozzle 3, both can realize following the shower nozzle cap 3c blowout medium of difference, steerable medium blowout direction again, and then can be according to the nimble adjustment of crops kind, can not only carry the liquid medicine to required height within range, can also guarantee medicine atomization effect to and showing and reducing the medicine and drip and spill, the dispersion with the wind improves the medicine utilization ratio.

Claims (10)

1. A wind-blowing spraying insecticide spraying device comprises a shell assembly (1), a fan (2) and a spray head (3), wherein an air passing channel (4) is arranged in the shell assembly (1), an air inlet of the air passing channel (4) is positioned on one end wall of the shell assembly (1), and an air outlet of the air passing channel (4) is positioned on the side wall of the shell assembly (1); cross wind passageway (4) including air inlet section (4 a) and air-out section (4 b), fan (2) are located air inlet section (4 a), shower nozzle (3) are located air-out section (4 b), a serial communication port, cross wind passageway (4) and still include drainage section (4 c), be linked together through drainage section (4 c) between air inlet section (4 a) and the air-out section (4 b), cross and be provided with the rectification structure in wind passageway (4), rectification structure and housing assembly (1) fixed connection.

2. An air-fed spray insecticide device according to claim 1, wherein said fairing comprises a splitter plate (7) enabling laminar air flow.

3. An air-assisted spray insecticide sprayer according to claim 2, wherein said diverter plate (7) comprises an air outlet diverter (7 a) located in the air outlet section (4 b).

4. The pneumatic conveying spraying insecticide spraying device according to claim 3, wherein the flow distribution plate (7) further comprises a flow guiding distribution portion (7 b) located in the flow guiding section (4 c), the flow guiding distribution portion (7 b) is in a truncated cone shape, and the flow guiding distribution portion (7 b) and the air outlet distribution portion (7 a) are arranged in a continuous and smooth transition mode.

5. An air-fed spray insecticide device according to claim 2, wherein said fairing further comprises an axial fairing (6) located within the air intake section (4 a).

6. A pneumatic spray applicator according to claim 5 wherein the axial fairing (6) comprises a plurality of fairing sections (6 a), the plurality of fairing sections (6 a) being circumferentially evenly distributed about the axis of the air inlet section (4 a), the longitudinal lines of the fairing sections (6 a) coinciding with the radial lines of the air inlet section (4 a).

7. A pneumatic spray applicator according to any one of claims 1 to 6 wherein the housing assembly (1) comprises a fan housing (1 a) and a front end plate (1 b); the front end plate (1 b) comprises a cone frustum-shaped flow guide part (1 b 1), and a flow guide section (4 c) is formed between the flow guide part (1 b 1) and the fan cover (1 a).

8. An air-fed spray insecticide device according to claim 7, wherein said front end plate (1 b) further comprises a bottom wall portion (1 b 3) located below the drain (1 b 1), said bottom wall portion (1 b 3) closing off the bottom area of the air outlet section (4 b).

9. The air-assisted spray insecticide spraying device according to any one of claims 1 to 6, wherein the spray heads (3) are arranged in a staggered manner in the axial line direction of the air inlet section (4 a).

10. The air-assisted spray insecticide spraying device according to any one of claims 1 to 6, wherein a pipe frame (8) is installed in the shell assembly (1), a plurality of branch pipe parts (8 a) penetrating into the air outlet section (4 b) are arranged in the pipe frame (8), and the branch pipe parts (8 a) are rotatably connected with the spray heads (3) in a one-to-one correspondence manner; the spray head (3) comprises a connecting pipe (3 a), a spray head body (3 b) and a spray head cap (3 c), the spray head body (3 b) is rotatably connected with the connecting pipe (3 a), and the spray head body (3 b) is provided with two groups of spray head caps (3 c).

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