JPH0974974A - Chemical agent-spraying machine for controlling pest - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a chemical agent-spraying machine for controlling pests, capable of efficiently and effectively spraying a chemical liquid up to long distance places in a foggy state large in the density. SOLUTION: This chemical agent-spraying machine for controlling pests has a chemical agent tank, an engine, a pump (4), etc., on the platform of a carrying vehicle, and further has a spraying duct (5). Therein, an axial flow fan (6) is disposed in the spraying duct (5), and a conical flow-arranging member (31) tapered toward the side of the downstream is disposed on the downstream side of the axial flow fan (6). Plural peripheral nozzles (7) are provided at circular sites along the periphery of the wind-discharging opening (5a) of the spraying duct (5), and a central nozzle (8) is disposed at the inward center of the wind-discharging opening (5a) on the downstream side of the flow- arranging member (31).

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pesticide sprayer for control, which is mounted on a carrier and can be used for spraying chemicals from a spray duct.

[0002]

2. Description of the Related Art Conventionally, a drug tank,
In a chemical sprayer for control, which is equipped with an engine, a pump, etc., and is equipped with a spray duct, as shown in Japanese Utility Model Laid-Open No. 7-30679, it becomes an annular shape along the periphery of the exhaust port of the spray duct. A plurality of nozzles were provided at the site.

[0003]

However, in such a structure, when spraying the controlling chemical, even if the sprayed chemical is made to have a high density, the accuracy of adhesion to fruit trees and the like is improved. Difficult to mix with the air blown from the spray duct because it is not smooth, and even if the amount of air is increased to increase the spray arrival distance, the air blows turbulent flow immediately downstream of the axial fan motor and sprays far In addition, it is difficult to do so, and since a large amount of the spray is transferred in the peripheral portion of the blast, it is difficult to efficiently send the drug to a long distance.

[0004]

SUMMARY OF THE INVENTION The object of the present invention is to solve such a problem and to make it possible to effectively spray chemicals in the form of a dense mist while sending them to a long distance efficiently. Therefore, therefore, in the chemical sprayer for control, which is equipped with a chemical tank, an engine, a pump, etc. on the carrier of the carrier, and is equipped with a spray duct, an axial fan is provided in the spray duct, On the downstream side of the axial fan, a rectifying body having a conical shape that tapers toward the downstream side is provided, and a plurality of peripheral nozzles are provided at an annular portion along the periphery of the exhaust port of the spray duct, A central nozzle is arranged downstream of the rectifying body at the center of the inside of the exhaust port.

Another object of the present invention is as follows.
It is possible to spray effectively by adapting to the condition of the fruit tree on the side receiving the spray of the drug and the distance to the spray duct.
Therefore, a valve device that can stop the drug supply to the central nozzle is provided, and a valve device that can stop the drug supply to each of the plurality of peripheral nozzles is provided.
The central nozzle and / or each peripheral nozzle enables drug spraying.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION A indicates a carrier, and both crawlers 1
A loading platform 1 that can be raised and lowered by a pantograph-type lift arm 12 is installed above 1, and an engine 13 and a handle portion 14 are provided at the rear of the machine body.

A support frame 15 and a drug tank 2 are provided on the front and rear sides of a machine base B which can be detachably fixed above the loading platform 1, and an engine 3 is provided inside the support frame 15.
And a pump 4 and a generator 16 driven by the engine 3, and the pump 4 has a liquid suction hose 17
Further, the liquid supply hose 18 is continuously connected, and the liquid suction hose 17 is extended inward of the medicine tank 2 and continuously connected.

A support base 2 installed above the support frame 15.
7 is provided with a turntable 19, and brackets 20a and 20b are provided above both sides of the turntable 19.
And a fan motor erected in the center of the spray duct 5 by vertically supporting both sides of the spray duct 5 whose front and rear are open to both brackets 20a and 20b through horizontal shafts 21 and 21, respectively. 22, the axial fan 6 axially mounted in the rear part of the spray duct 5 is made drivable, and the fan motor 22 and the generator 16 are connected via an electric cord 23. While rotating the turntable 19 in the left-right direction, the exhaust port 5a of the spray duct 5 is deflected in the left-right direction, or the horizontal shafts 21, 2 are used.
1. A four-way panel switch 2 that can turn or operate the air outlet 5a while rotating it around the center
4, an adjusting lever 25 for operating the pump motor provided in the pump 4 to adjust the amount of the liquid medicine, a control lever 26 for controlling the rotation speed of the engine 3, and the like are provided.

An annular liquid feed pipe 28 is provided along the periphery of the tip end side of the air exhaust port 5a of the spray duct 5, and three support pieces 29 are provided.
Are supported and erected, and three peripheral nozzles 7 project forward from the three equally distributed portions of the liquid feed pipe 28, and the liquid feed hose 18 is provided below the spray duct 5. Along with the support tool 30, the support hose 18 is extended to connect the tip of the liquid supply hose 18 to the communication port 28a of the liquid supply pipe 28.
And a valve device 10 capable of stopping the drug supply to each of the peripheral nozzles 7 is provided in the communicating portion. The valve device 10 has a valve structure that can be manually operated, or The handle portion 14
It is configured as a solenoid valve type that can be remotely operated from the side.

Further, the fan motor 22 is so arranged that the tip portion 31a is positioned at the center of the annular liquid feed pipe 28.
A rectifying body (cone) 31 which is a conical support body and also serves as a blower guide body is extended from the front part of the above, and the central nozzle 8 is moved forward from the tip end portion 31a which is tapered downstream of the rectifying body 31 And a liquid delivery pipe 32 communicating with the central nozzle 8 is extended from the inside of the rectifying body 31 to the outside of the spray duct 5 and is provided in the middle of the liquid delivery hose 18 so as to communicate therewith. A valve device 9 that can stop the drug supply to the central nozzle 8 is provided at the communicating portion.
The valve device 9 has a valve structure that can be manually operated, or is an electromagnetic valve type that can be remotely operated from the handle portion 14 side. The central nozzle 8 is not fixed to the rectifying body 31, but the spray duct 5 is provided.
A support member may be used to support the rectifying body 31 on the downstream side.

Although not shown in the drawings, the fan motor 22 is constructed so as to be controllable from the handle portion 14 side so as to adjust the air flow rate.

[0012] Therefore, while being moved by the carrier A, the spray duct 5 shakes its head in the left-right direction or turns to the up-down direction, so that the medicine can be sprayed in the house, the orchard, the roadside trees, etc. If both valve devices 9 and 10 are left open, the chemical liquid can be jetted from the peripheral nozzles 7 and the central nozzle 8. In addition to the chemical liquid jetted from the peripheral nozzles 7, the conical straightening member 31 is also provided. By this means, it is possible to spray a dense chemical solution while ejecting the chemical solution from the central nozzle 8 in the central part where the wind speed is increased, and it is possible to improve the accuracy of attachment to fruit trees and the like, and to efficiently disperse the chemical agent. Can be sent to a distance.

When the valve device 9 is closed and the valve device 10 is opened, the chemical solution is ejected only from each peripheral nozzle 7 and the valve device 10 is opened.
Is closed and the valve device 9 is opened, the chemical liquid can be ejected only from the central nozzle 8, and the spraying state can be changed. It can be effectively sprayed by adapting to the state and the distance to the spray duct 5. It should be noted that when controlling trees that are particularly damaged by harmful insects, it is advisable to spray the chemical liquid from both the peripheral nozzles 7 and the central nozzle 8.

[0014]

As described above, according to the present invention, the spray duct (5) is provided.
In addition to spraying the chemical solution from each of the peripheral nozzles (7), the chemical solution having a high density can be sprayed while ejecting the chemical solution from the central nozzle (8), further improving the accuracy of the adhesion of the chemical solution to fruit trees and the like. Can be improved,
It will be possible to send the drug efficiently over a long distance,
The control work can be effectively performed, which is a feature that can be preferably performed.

Further, a valve device (9) capable of stopping the drug supply to the central nozzle (8) is provided, and
The central nozzle (8) is provided with a valve device (10) capable of stopping the drug supply to each of the plurality of peripheral nozzles (7).
And / or if the peripheral nozzles (7) are configured to be capable of spraying the drug, it is possible to eject the chemical liquid only from each peripheral nozzle (7), only from the central nozzle (8), or both. As a result, the spraying state can be changed, and the spraying can be effectively performed by adapting to the state of the fruit tree on the side receiving the spray of the drug and the distance to the spray duct (5).

[Brief description of drawings]

FIG. 1 is a side view showing a pesticide sprayer.

FIG. 2 is a side sectional view showing a part of FIG. 1 in an enlarged manner.

FIG. 3 is an enlarged front view showing a part of FIG. 1;

[Explanation of symbols]

 A carrier 1 carrier 2 drug tank 3 engine 4 pump 5 spray duct 5a exhaust port 6 axial fan 7 peripheral nozzle 8 central nozzle 9 valve device 10 valve device 31 rectifier

Claims (2)

[Claims] 1. Pest control comprising a carrier (1) of a carrier (A) equipped with a chemical tank (2), an engine (3), a pump (4), and a spray duct (5). In the chemical spraying machine, an axial fan (6) is provided in the spray duct (5), and a downstream side of the axial fan (6) is a conical straightening body (which is tapered toward the downstream side). 31)
Is provided, and a plurality of peripheral nozzles (7) are provided in an annular portion along the periphery of the exhaust port (5a) of the spray duct (5).
And a central nozzle (8) disposed downstream of the rectifying body (31) at the inner center of the exhaust port (5a). 2. A valve device (9) capable of stopping the drug supply to the central nozzle (8) and stopping the drug supply to each of the plurality of surrounding nozzles (7). The chemical sprayer for control according to claim 1, wherein (10) is provided, and chemical spraying is enabled by the central nozzle (3) and / or each peripheral nozzle (7).