KR101515495B1 - Mist sprayer for long-distance sprayed to left and right loaded motercar - Google Patents

Abstract

The present invention relates to a long-distance mist sprayer sprayed to a left and right loaded motorcar configured to spray chemical fluids while controlling spray direction by mounting the long-distance mist sprayer to a vehicle such as a truck or a trailer. To achieve this, the present invention comprises: a long-distance mist sprayer sprayed to the left and right loaded motorcar which can perform pumping of chemical fluids within a fluid tub, and at the same time easily spray chemical fluid toward a spray position with an air blasting force of an air blower by rotating synchronously the air blower and the pump using a power of a small engine; can easily spray chemical fluids up to a desired spray position while adjusting air blowing direction of the air blower vertically by connecting an electric cylinder and the air blower and adjusting air blowing direction of the air blower while transversely adjusting air blowing direction of the air blower by mounting the blower etc., including an engine rotatably on a turn table; and can control spraying distance of chemical fluids for short-distance as well as long-distance by adjusting a length and size of a discharge hole of a discharge duct to spray chemical fluids with an air blasting force.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a long-distance sprayer for a long distance sprayer,

The present invention relates to an on-vehicle remote sprayer for spraying a semicircular rotation and left and right, and more particularly, to an on-vehicle sprayer for spraying a chemical solution for control while being mounted on a vehicle such as a truck or a trailer, The present invention relates to an on-vehicle remote sprayer sprayed from side to side so as to be easily sprayed up to a long distance.

In general, the sprayer is to spray various kinds of medicines such as herbicide, fungicide, liquid fertilizer, insecticide, etc. in a wide area such as rice fields, farms, orchards, farms and golf courses to protect crops, trees, It is used to help normal growth of livestock.

In addition, recent sprayers are also used for spraying disinfectant liquids to prevent infectious diseases such as bird flu in livestock.

Such a sprayer is mounted on a frame installed in a vehicle such as a dedicated truck, and is usually composed of a chemical tank, an engine, a pump, a sprayer, a blower, and the like to spray the pesticide or disinfectant solution.

As an example of the prior art relating to a sprayer, Japanese Unexamined Patent Application Publication No. 2013-0002968 (Laid-open date 2013.01.08) discloses an air blowing unit structure of an air blowing type sprayer and an air blowing type sprayer having the same, Open No. 2002-0067827 (published on Aug. 24, 2002) discloses a sprayer capable of adjusting the height of the discharge port for spraying.

However, the existing tractor-mounted sprayers including the sprayers according to the above-described conventional techniques have the following problems.

First, since the chemical solution outlet is fixed in one direction, there is a disadvantage that the chemical solution such as pesticide is sprayed only in one direction.

Second, since the chemical solution is sprayed only in one direction, the spraying range is limited, and the chemical solution is not properly sprayed to a desired direction or a remote position.

Third, since the outlet port of the discharge duct coupled with the blowing fan is applied as a fixed type, the spraying distance of the pesticide sprayed through the discharge port of the discharge duct is limited to a short distance, There are disadvantages.

Fourth, there is a disadvantage in that a support bar is weakened due to a high liquid medicine bottle being installed, and the rotation speed of the blowing fan can not be adjusted.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and it is an object of the present invention to provide an apparatus and a method for controlling a blower, The present invention is directed to a remote sprayer for vehicles mounted on a vehicle, which is sprayed to the left and right so as to be sprayed easily.

It is another object of the present invention to provide an air conditioner for an air conditioner, which comprises a motor and a blower connected to the blower by a chain so as to transmit power so as to adjust the blowing direction of the blower up and down or to rotate the blower, So that the control chemical solution can be easily sprayed to a desired spraying position.

It is a further object of the present invention to provide an apparatus and a method for adjusting the length and size of the discharge duct of the discharge duct for spraying the chemical solution by the blowing power of the blower to two or more stages so that the spraying distance of the chemical for control can be adjusted to a long distance It is in one point.

According to an aspect of the present invention, there is provided a vehicle including: a base frame mounted and fixed in a loading space of a vehicle; a horizontal support which is integrally assembled to one upper surface of the base frame; A motor-driven turntable rotatably mounted on the upper surface of the other side of the base frame, a pair of vertical supports integrally assembled to the motor-driven turntable, A fan mounted on the front of the blower for guiding the wind power for spraying the chemical liquid, an engine fixedly mounted on the top surface of the turntable, and an engine mounted on one end of the rotary shaft of the engine, A belt connecting the pulleys, and a belt connected to the other end of the rotary shaft of the blower, A control valve connected to the discharge side of the pump for overflowing the chemical liquid to the chemical liquid injection nozzle at the time of spraying or overflowing the chemical liquid bottle at the time of stopping the spraying of the chemical liquid; A spray direction regulating device connected to the rotary shaft of the blower to adjust the angle of the blower while transmitting the rotational force to the rotary shaft; And a spraying distance adjusting device for adjusting the length and the size of the discharge port. The remote spraying device for on-vehicle spraying sprayed to the left and right is provided.

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In the present invention, the spraying direction adjusting device includes an electric motor and an electric cylinder fixedly mounted on a base frame, a sprocket mounted on an outer diameter portion of a rotary shaft of the blower, two or more guide rolls mounted on an inner wall of the vertical support, A chain wound around the sprocket and the guide roll, and a bracket integrally connected to the piston of the electric cylinder and fixed to one end and the other end of the chain.

The spray distance adjusting device may further include a first taper pipe that is foldably mounted on an outer diameter portion of the discharge port of the blowing duct and a second taper pipe that is smaller in size than the first taper pipe, A second taper pipe which is foldably mounted and a third taper pipe which is smaller in size than the second taper pipe and is foldably mounted on the outer diameter portion of the second taper pipe.

Preferably, a first bolt tightening hole is formed in the rear portion of the first taper pipe to bolt the bolt to the outer diameter portion of the discharge port of the blowing duct, and a second bolt tightening hole is formed through the rear portion of the second taper pipe, And a third bolt tightening hole is formed in the rear portion of the third taper pipe so that the bolt is fastened to the outer diameter portion of the second taper pipe.

The present invention provides the following effects through the above-mentioned problem solving means.

First, in the present invention, when the blower and the pump are operated by the power of the small engine by the operation of the controller mounted on the driver's seat while the vehicle is mounted on a vehicle such as a truck or a trailer, the chemical solution of the chemical solution reaches the control valve And the chemical liquid reaching the control valve can cause the operator to direct the flow path of the chemical liquid to the nozzle or the chemical liquid bottle by operating the control valve so that the spraying and stopping operation of the control liquid can be performed at any time at any time.

Second, the present invention can easily spread the spraying distance of the spraying solution to a maximum spraying distance, that is, a remote position of 30 m horizontal and 20 m vertical by regulating the discharge port length and size of the blowing duct.

Third, since the blower is rotated 180 ° around the electric cylinder piston and the chain, and the blower or the like is rotated to the left and right by the turntable, the spraying direction of the chemical solution can be adjusted up to 180 ° in the up and down and left- The control liquid can be widely sprayed on the spray objects in the horizontal and vertical positions.

Fourth, when the operator manipulates the chemical liquid flow path of the control valve toward the chemical liquid container by the operator at the driver's seat of the vehicle, the chemical liquid stops spraying and the chemical liquid overflows into the chemical liquid bottle and is returned.

1 is a perspective view of a vehicle-mounted remote sprayer sprayed to the left and right according to the present invention.
FIG. 2 is a side view showing a blower and an engine of a vehicle-mounted remote sprayer sprayed on the left and right in accordance with the present invention, mounted on a turntable.
3 is a perspective view showing a connection state between an engine and a blower of a vehicle-mounted remote sprayer sprayed to the left and right according to the present invention.
FIG. 4 is a perspective view showing a state where a pump and a control valve are connected to a rotary shaft of a blower of a vehicle-mounted remote sprayer sprayed to the left and right in accordance with the present invention. FIG.
FIG. 5 and FIG. 6 are enlarged perspective views of a spray direction regulating device of a vehicle-mounted remote sprayer sprayed to the left and right in accordance with the present invention.
7 is a perspective view showing a state where a spraying distance adjusting device is mounted on a blowing duct of a vehicle-mounted remote sprayer sprayed on both sides in accordance with the present invention.
FIG. 8 is a side view showing a part adjusting operation of a left-right angle of a blower of a vehicle-mounted remote sprayer sprayed from side to side in accordance with the present invention; FIG.
FIG. 9 is a side view showing mounting of a vehicle-mounted remote sprayer sprayed to the left and right according to the present invention in a loading space of a vehicle. FIG.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a perspective view showing a vehicle-mounted remote sprayer sprayed to the left and right in accordance with the present invention, FIG. 2 is a view showing a blower and an engine mounted on a turntable of a vehicle- Side view.

In the accompanying drawings, reference numeral 10 denotes a base frame which is mounted and fixed in a loading space of a vehicle. On the upper surface of one side of the base frame 10, a horizontal support 11 for mounting the chemical solution bottle 15 is integrally formed And the turntable 50 is rotatably mounted on the upper surface of the other side of the base frame 10 by a DC motor 52. [

The chemical solution bottle 15 is filled with an appropriate chemical solution according to the object to be sprayed and is immovably fixed to the horizontal support 11 using a bracket and bolt or the like. A pressure regulating valve (not shown) is provided.

The turntable 50 is equipped with a separate small engine 60 operated by a battery and a blower 14 operated by the power of the engine 60. The blower 14 is provided with a strong wind- Use a Sirocco fan to get it.

A pair of vertical supports 12 are spaced apart from each other on the turntable 50 to mount the blower 14 on the turntable 50 The rear end of the blower 14 is disposed between a pair of vertical supports 12 and mounted on the vertical support 12 to be rotatable up and down and right and left via a rotary shaft 13.

At this time, in front of the blower 14, a blowing duct 16 for guiding the blowing power is integrally assembled to spray the chemical solution to a desired position by the blowing power of the blower 14. The blowing duct 16 It is adopted in the form of a tapered tube which gradually becomes narrower in order to increase the spraying power of the chemical solution.

A plurality of chemical liquid spray nozzles 20 for spraying the chemical liquid by the blowing force of the blower 14 are connected to the discharge port 19 of the blowing duct 16 at regular intervals Respectively.

8, the blower 14 and the blowing duct 16 are connected to the spray direction regulating device 30, that is, the rotary shaft 13 of the blower 14, The angle of the spraying direction adjusting device 30 adjusts the angle of rotation up and down to about 180 °.

5 and 6, the spray direction adjusting device 30 includes an electric motor 37 and an electric cylinder 31 driven forward and backward by an electric motor 37 in the base frame 10 And a chain sprocket 32 is mounted on the rotary shaft 13 of the blower 14. Two or more guide rolls 33 are mounted on the inner wall of the vertical support 12 at both lower positions.

A chain 34 is wound between the sprocket 32 mounted on the rotary shaft 13 of the blower 14 and the guide roll 33 mounted on the inner wall of the vertical support 12 so as to be movable in both directions .

At this time, a bracket 36 is connected to the piston 35 of the electric cylinder 31 so as to be able to move back and forth together with the piston 35 in the forward and backward directions. On the outer front and rear surfaces of the bracket 36, And the other end thereof are integrally fixed.

Therefore, when the piston 35 of the electric cylinder 31 is advanced by driving the electric motor 37, the chain 34 is advanced in the forward direction while the bracket 36 is advanced, The rotary shaft 13 to which the sprocket 32 is mounted is rotated in one direction while the blower 14 rotates in the upward direction so that the blower 14 is rotated in one direction, So that the spraying direction of the blowing duct 16 integrated with the blowing duct 16 is directed upward.

On the other hand, when the piston 35 of the electric cylinder 31 is retracted, the bracket 36 is also pulled back while pulling the chain 34 in the backward direction, and the chain 34 is moved in the other direction The sprocket 32 is rotated in the other direction so that the rotary shaft 13 with the sprocket 32 mounted thereon is rotated in the other direction and the blower 14 rotates downward to rotate the sprocket 32 integrally with the blower 14 The spraying direction of the blowing duct 16 is adjusted to be directed downward.

3, the pulley 62 is attached to one end of the rotary shaft 13 of the blower 14, and the pulley 62 of the engine 60 is mounted on the base frame 10, The rotational power of the engine 60 is transmitted to the blower 14 through the belt 64 so that the blowing operation of the blower 14 is performed by connecting the output shaft and the pulley 62 with the belt 64. [

4, a pump 18 for pumping the chemical solution of the chemical solution bottle 15 toward the blower 14 is connected to the other end of the rotary shaft 13 of the blower 14, And the pumping operation is performed when the rotary shaft 13 of the blower 14 rotates.

At this time, a control valve 22 is connected to the discharge side of the pump 18 to change a chemical liquid flow path by operating a switch of a controller (not shown) mounted on a driver's seat of a vehicle driver, A solenoid valve is used.

The control valve 22 functions to deliver the chemical liquid to the chemical liquid spray nozzle 20 when the chemical liquid is dispensed, or to overflow the chemical liquid into the chemical liquid bottle 15 when stopping spraying.

To this end, the discharge side of the pump 18 and the inlet of the regulating valve 22 are communicably connected, and one of the two outlets of the regulating valve 22 is connected to the chemical liquid injection nozzle 20, and the other is connected to the chemical solution bottle 15 via the second hose 26. [

Therefore, at the time of dispensing the chemical liquid, the chemical liquid flow path of the control valve 22 is adjusted by the chemical liquid injection nozzle 20 so that the chemical liquid in the chemical liquid bottle 15 pumped by the pump 18 passes through the control valve 22 The chemical liquid is sprayed by the blowing force of the blower 14 simultaneously with the chemical liquid injection of the chemical liquid injection nozzle 20. [

On the other hand, when the chemical solution dispensing is stopped, the chemical solution flow path of the control valve 22 is adjusted to the chemical solution bottle 14 so that the chemical solution in the chemical solution bottle 15 pumped by the pump 18 is supplied to the control valve 22 Passes through the second hose 25, overflows into the chemical solution bottle 15, and is returned to stop the chemical solution application.

A spraying distance adjusting device 40 capable of adjusting the length and size of the discharge opening 19 to two or more stages is mounted on the outer diameter portion of the discharge opening 19 of the air blast duct 16, Is provided as a structure which can be folded in two or more stages on the outer diameter portion of the discharge port (19) of the blowing duct (16).

As shown in FIG. 7, three taper pipes are mounted on the outer diameter of the outlet 19 of the blowing duct 16 so as to be foldable.

The first taper pipe 41 is foldably mounted on the outer diameter portion of the discharge port 19 of the blowing duct 16 and the first taper pipe 41 And a second taper pipe 42 having a smaller size than the second taper pipe 42 is provided in the outer diameter portion of the second taper pipe 42 so as to be foldable. The taper pipe 43 is foldably mounted.

For example, the bolt is inserted through the first bolt tightening hole 44 formed at the rear portion of the first taper pipe 41, and at the same time, the bolt is fastened to the outer diameter portion of the discharge port 13 of the blowing duct 16, The first taper pipe 41 is mounted on the outer diameter portion of the discharge port 13 of the second taper pipe 16 and the first taper pipe 41 is extended from the discharge port 13 and fixed.

The bolt is inserted through the second bolt tightening hole 45 formed at the rear portion of the second taper pipe 42 and at the same time the bolt is fastened to the outer diameter portion of the first taper pipe 41, The first taper pipe 41 and the second taper pipe 42 are mounted side by side on the outer circumferential portion of the pipe 13 and the first taper pipe 41 and the second taper pipe 42 extend from the discharge port 13 to be fixed .

The bolt is inserted through the third bolt tightening hole 46 formed at the rear portion of the third taper pipe 43 and the bolt is fastened to the outer diameter portion of the second taper pipe 42, The first, second and third taper pipes 41, 42, 43 are extended and fixed to the outer circumferential portion of the outer tube 13.

By connecting the first to third taper pipes 41, 42, and 43 with the diameter gradually narrowed to the discharge port 13 of the blowing duct 16, the blowing pressure of the blower 14 is increased, The chemical liquid sprayed from the nozzle 28 can be sprayed to a farther remote position, that is, 30 m horizontally and 20 m vertically.

Further, auxiliary chemical liquid spray nozzles 28 are further installed outside the discharge port 19 of the air blast duct 16 so that the chemical liquid can be smoothly sprayed to a portion near to the remote spray of the chemical liquid.

In the meantime, according to the present invention, a separate chemical liquid discharge hose (not shown) is connected to the outlet side of the control valve 22 connected to the pump 18, and a common spray nozzle, that is, The operator can easily spray the chemical solution even in a necessary portion of a close distance.

In addition, the present invention further includes an air compressor (not shown) connected to the first hose 24 and the second hose 26 to prevent frost on one side of the base frame 10, Avoid frosting.

Further, in the present invention, a chemical solution mixer (not shown) for mixing the chemical solution in the chemical solution bottle 15 is provided to uniformly mix the chemical solution.

Hereinafter, the operation of the in-vehicle remote sprayer of the present invention constructed as described above will be described.

First, as shown in FIG. 9, the controller of the present invention is mounted on a mounting space of a vehicle such as a truck and fixed.

The engine 60 mounted on the turntable 50 of the base frame 10 is driven and the power of the engine 60 is transmitted to the rotary shaft of the blower 14 through the belt 64 and the pulley 62 The blowing operation of the blower 14 is performed.

At the same time, when the rotary shaft 13 of the blower 14 is rotated by receiving the rotational power of the engine 60, the pump 18 connected to the other end of the rotary shaft 13 of the blower 14 is driven, The chemical solution of the chemical solution tank 15, which is regulated to a constant pressure by a pressure control valve (not shown) provided at the lower portion of the chemical solution tank 15, is sucked through the hose to perform the pumping operation.

At this time, the chemical liquid flow path of the control valve 22 is adjusted from the pump 18 to the chemical liquid injection nozzle 20 by operating the controller (not shown) of the vehicle operator for spraying the chemical liquid.

Subsequently, by driving the pump 18, the chemical solution in the chemical solution bottle 15 passes through the control valve 22 and is transferred to the chemical solution injection nozzle 20 through the first hose 24, 20, the chemical liquid is easily sprayed to a desired position by the blowing force of the sirocco fan 14 at the same time.

On the other hand, when the chemical solution dispensing is stopped, the chemical solution flow path of the control valve 22 is adjusted to the chemical solution bottle 14 so that the chemical solution in the chemical solution bottle 15 pumped by the pump 18 is supplied to the control valve 22 And at the same time, overflows into the chemical solution tank 15 through the second hose 25 and is returned, whereby it is possible to prevent the chemical solution from being wasted.

In the meantime, the present invention can adjust the spraying direction to 180 ° left and right according to the height and position of the spraying object by the spinning direction controller 30 and the DC motor 52 by the turntable 50, have.

First, the process of adjusting the spraying direction of the chemical liquid in the upward direction includes rotating the electric motor 37 in the normal direction and interlocking the electric motor 37 in the gear box for converting the rotational force into a linear force, Moving the chain (34) in a forward direction while the bracket (36) advances together with the piston (35); moving the chain (34) in one direction A step of rotating the sprocket 32 in one direction and a step of rotating the rotary shaft 13 in which the sprocket 32 is mounted are rotated in one direction and the blower 14 is rotated upwardly to rotate the blowing duct 16 is adjusted so that the spraying direction of the sprayed water is directed upward.

On the other hand, the process of adjusting the spraying direction of the chemical liquid in the downward direction includes rotating the electric motor 37 in the reverse direction, and interlocking the electric motor 37 in the gear box for converting the rotational force into a linear force A step in which the piston 35 of the electric cylinder 31 is driven backward and a step in which the chain 34 is pulled backward while the bracket 36 is retracted together with the piston 35, Rotating the sprocket 32 in the other direction and rotating the rotary shaft 13 mounted with the sprocket 32 in the other direction while the blower 14 rotates downward to rotate integrally with the blower 14 And the spraying direction of the blowing duct 16 is adjusted to be directed downward.

The blowing duct 16 of the blower 14 is connected to the bracket 36 of the piston 35 when the piston 35 of the electric cylinder 31 is fully driven to the maximum in the course of the above operation The spraying direction of the chemical solution is also adjusted accordingly, so that the chemical solution is sprayed at a maximum of about 180 ° in the left-right direction as well as in the up-down direction.

In this state, the chemical liquid is injected through the chemical liquid injection nozzle 20 mounted on the discharge port 19 of the blowing duct 16, and at the same time, And the chemical liquid is sprayed from the auxiliary spray nozzle 28 mounted on the lower outer side of the discharge port 19, so that the chemical liquid is easily sprayed not only at a distance but also at a close distance.

In addition, the present invention can adjust the spraying direction of the chemical liquid to left and right according to the object to be sprayed when spraying the chemical liquid.

To this end, the turntable 50 rotatably mounted on the upper surface of the other side of the base frame 10 by the DC motor 52 is rotated in the left-right direction.

That is, when the DC motor 52 is powered and rotated in the forward direction, the turntable 50 and the blower 14 mounted thereon are rotated in the leftward direction. On the contrary, when the DC motor 52 is rotated in the reverse direction The turntable 50 and the blower 14 mounted thereon are rotated in the right direction.

The chemical solution is injected through the chemical solution injection nozzle 20 mounted on the discharge port 19 of the blowing duct 16 while the chemical solution is moved to the left and right positions by the blowing force of the blower 14, Sprayed to the object to be sprayed.

Meanwhile, in the spraying process as described above, the spraying distance of the chemical solution can be controlled to a longer distance.

Referring to FIG. 7, a first taper pipe 41 having a diameter of a diameter that gradually becomes narrower is connected to the discharge port 13 of the blowing duct 16, or a first and a second taper pipe 41 and 42 or connecting the first to third taper pipes 41, 42 and 43 to increase the blowing pressure of the blower 14 passing through each taper pipe, The drug solution can be sprayed to farther remote positions.

On the other hand, the present invention is equipped with a controller (not shown) for operating a sprayer on the driver's seat of the vehicle, and the operator can prevent the poisoning by the chemical solution by operating the sprayer on the driver's seat of the vehicle.

10: base frame 11: horizontal support
12: vertical support 13:
14: blower 15: chemical tank
16: blowing duct 18: pump
19: Exhaust port 20: Chemical liquid injection nozzle
22: regulating valve 24: first hose
26: second hose 28: auxiliary chemical liquid injection nozzle
30: Spray direction adjusting device 31: Electric cylinder
32: sprocket 33: guide roll
34: chain 35: piston
36: Bracket 37: Electric motor
40: Spraying distance adjustment device 41: First taper pipe
42: second taper pipe 43: third taper pipe
44: first bolt tightening hole 45: second bolt tightening hole
46: third bolt tightening hole 50: turntable
52: DC motor 60: Engine
62: pulley 64: belt

Claims (14)

delete delete A horizontal support table 11 integrally assembled to one upper surface of the base frame 10 and fixed on the horizontal support table 11, A pair of vertical supports 12 integrally assembled to the base frame 10 and a blower 14 mounted to the vertical support 12 via a rotary shaft 13 A blowing duct 16 mounted on the front side of the blower 14 for guiding a blowing force for spraying the chemical liquid and a turntable (not shown) mounted rotatably on the upper surface of the other side of the base frame 10 by means of a DC motor 52 A belt 64 for connecting the output shaft of the engine 60 and the pulley 62 mounted at one end of the rotary shaft 13 of the blower 14, (13) connected to the other end of the rotation shaft (13) of the chemical liquid tank (14) and pumping the chemical liquid in the chemical liquid bottle (15) toward the chemical liquid injection nozzle A control valve 22 connected to the discharge side of the pump 18 for overflowing the chemical liquid 15 at the time of dispensing or stopping the spraying of the chemical liquid at the time of spraying, A plurality of chemical liquid injection nozzles 20 connected to the discharge port 19 of the blowing duct 16 while being connected to the outlet of the blower 14 and connected to the discharge port of the blowing duct 16, And a spraying direction adjusting device (30) for adjusting the angle of the blower (14) while conveying the sprayer (14). The remote sprayer
The spray direction adjusting device 30 includes an electric motor 37 and an electric cylinder 31 fixedly mounted on the base frame 10;
A sprocket 32 mounted on an outer diameter portion of the rotary shaft 13 of the blower 14;
Two or more guide rolls (33) mounted on an inner wall of the vertical support (12);
A chain (34) wound between the sprocket (32) and the guide roll (33);
And a bracket (36) integrally connected to the piston (35) of the electric cylinder (31) and fixed to one end and the other end of the chain (34).
delete The method of claim 3,
A spraying distance adjusting device 40 is attached to the outside of the discharge port 19 of the blast duct 16 so as to be adjustable in two or more stages to control the length and size of the discharge port 19;
The spraying distance adjustment device 40 includes a first taper pipe 41 which is foldably mounted on a neck portion of the discharge port 19 of the blowing duct 16;
A second taper pipe (42) having a smaller size than the first taper pipe (41) and being foldably mounted on an outer diameter portion of the first taper pipe (41);
And a third taper pipe (43) having a smaller size than the second taper pipe (42) and being foldably mounted on an outer diameter portion of the second taper pipe (42) On-board remote sprayer.
The method of claim 5,
A first bolt tightening hole 44 is formed in the rear portion of the first taper pipe 41 so as to be bolted to the outer diameter of the discharge port 13 of the blowing duct 16;
A second bolt tightening hole 45 is formed in a rear portion of the second taper pipe 42 to be bolted to an outer diameter portion of the first taper pipe 41;
And a third bolt tightening hole 46 is formed in a rear portion of the third taper pipe 43 so that the bolt is fastened to the outer diameter portion of the second taper pipe 42. [ Sprayer. delete delete delete delete delete delete delete delete

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