KR200416224Y1 - Agricultural medicine spray apparatus with a multi-spray means - Google Patents

Abstract

The present invention relates to a pesticide control device equipped with a multi-injection means, by attaching a small diameter gun gun nozzle on the top of the blower to select a large diameter blower and gun gun nozzle according to the area to be sprayed so that the spraying of the drug accurately to the desired area. By mounting a return spring between the blower and the blower support frame, the vibration shock transmitted from the vehicle is attenuated by the return spring without being transmitted to the blower, and after the lifter is lifted by the driving force, the return spring is restored by the return spring. The purpose is to provide a pesticide control device equipped with a multi-injection means to minimize the power loss.

Applying the present invention, it is possible to freely adjust the right and left spraying angle and the vertical spraying height of the blower pipe through a plurality of DC motor and pinion gear, and to easily return to the original state after adjusting the spraying angle by the return springs on both sides of the blower pipe. The return spring absorbs the impact force so that the driving shock of the road surface is not directly transmitted to the blower tube, and the gun spray nozzle is provided on the upper surface of the blower tube so that the concentrated sprayer and the short-range sprayer can be selected according to the selection of the switching valve. Bandwidth distribution is possible.

Description

Pesticide control machine with multi spraying means {AGRICULTURAL MEDICINE SPRAY APPARATUS WITH A MULTI-SPRAY MEANS}

1 is a side view showing a mounting state of a vehicle equipped with a pesticide control device equipped with a multi-injection means according to an embodiment of the present invention,

Figure 2 is a main side cross-sectional view showing the configuration of a pesticide control device equipped with a multi-jet means according to an embodiment of the present invention,

Figure 3 is a vehicle rear view showing the configuration of a vehicle equipped with a pesticide control device equipped with a multi-jet means according to an embodiment of the present invention,

Figure 4 is a cross-sectional view showing the configuration of a pesticide control device equipped with a multi-jet means according to an embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

100: pesticide control vehicle, 102: body

104: driver's seat, 106: driving wheel,

108: drive shaft, 110: control box,

200: pesticide control unit, 300: chemical tank unit,

302: chemical tank, 304: chemical tank frame,

306: support, 308: rotation axis,

310: bearing, 312: second ring gear,

314: second DC motor, 316: second pinion gear,

400: blower, 402: blower,

404: Bellemouth, 406: Spinner,

408: jet nozzle, 410: spray nozzle,

412: first DC motor, 414: first pinion gear,

416: first ring gear, 418: return spring,

420: gun gun nozzle, 500: control drive,

502: driving pulley, 504: hydraulic pump pulley,

506: hydraulic pump, 508: spray driven pulley,

510: spray pulley, 511: hydraulic motor,

512: spray pump, 514: switching valve,

516: spray nozzle delivery pipe, 518: gun nozzle delivery pipe.

The present invention relates to a pesticide control device equipped with a multi-injection means, and in detail, by attaching a small diameter gun gun nozzle on the top of the blower, it is selected according to the area to be sprayed with a large diameter blower and gun gun nozzle, and the spraying of the chemical to the desired area accurately A return spring is installed between the blower and the blower support frame to make the vibration shock transmitted from the vehicle not to be transmitted to the blower, but to be attenuated by the return spring. It relates to a pesticide control device equipped with a multi-injection means to minimize the power loss by the restoration is made.

As is well known, in general, in the pesticide control device used to spray pesticides in large areas such as orchards, farms, golf courses, the overall composition is a constant pressure on the chemical tanks in which the pesticides are stored, and the pesticides stored in the pharmaceutical tanks. And a blower for driving and spraying the pesticides drawn up through the pump.

By the way, the blower for spraying pesticides sucks and compresses the external base while the vane of the fan is rotated by the driving force of the engine, and then discharges the compressed gas to a predetermined position to radiate the pesticide sprayed from the injection nozzle. In a way that allows for spraying in the form, several problems have been raised:

That is, first, the blowing pressure for spraying the pesticides is sucked by the outside of the fan while the vane rotates, and then compressed and discharged to the discharge port opposite to the inlet of the blower. The blower is usually mounted at the rear of a vehicle such as a general tractor. In addition, such a blower is mounted on the rear of the vehicle exclusively for pesticide control, so that mobility is excellent. However, the movement of the control vehicle generally travels on irregular roads such as serfs, but in this case, the vibration applied to the control vehicle is transmitted directly to the blower, so that the heavy weight blower is connected to the shaft by the vibration. There is a problem that the breakage or blower support is broken.

In addition, secondly, the spraying angle of the pesticide sprayed through the chemical injection nozzle is uniformly made. That is, since the spraying angle of the pesticide cannot be adjusted, there is a problem in that the pesticide is sprayed even at a place where the pesticide is to be sprayed, or a problem that the user cannot spray the spray concentrates.

In particular, the prior art equipped with some siroek fan has a problem that it is possible to adjust the spraying angle to some extent, but the rotation to the side is impossible and the upper spraying from the ground is impossible. In addition, even if the pesticide control device is manufactured to control the vertical spraying angle of the blower, when the vertical angle of the blower is adjusted, the driving force of the angle adjustment to the blower should be generated equally during the rise and fall, which causes unnecessary waste of fuel. Had a problem.

Third, in general, the pesticide control device is a device designed exclusively for spraying pesticides in a large area, and since the diameter of the blower is usually large, it is almost impossible to spray the drug in a narrow area. There was this.

The present invention has been made in view of the above-described prior art, by attaching a small diameter gun gun nozzle to the top of the blower to select a large diameter blower and gun gun nozzle according to the area to be sprayed so that the spraying of the drug is precisely performed on the desired area. By mounting a return spring between the blower and the blower support frame, the vibration shock transmitted from the vehicle is attenuated by the return spring without being transmitted to the blower, and after restoration of the blower by the driving force, the return spring is restored. The purpose is to provide a pesticide control device equipped with a multi-injection means to minimize the power loss.

In order to achieve the above object, according to a preferred embodiment of the present invention consists of a vehicle body provided with a driver's seat at the top of the center, the front and rear of the lower driving wheel is configured, respectively, the rear end of the vehicle at the rear of the vehicle In the pesticide control vehicle coupled to the pesticide control unit is installed through a separate frame, and configured to be sprayed by the driving force transmitted from the drive shaft of the pesticide control vehicle, the pesticide control vehicle is installed in the driver's seat wired cable It is provided with a control box for controlling the left and right spraying angle and the vertical spraying height of the pesticide control device, spraying the drug through the spray nozzle provided in the blower pipe, or generating a signal for selecting the spraying of the drug through the gun gun nozzle, The pesticide control unit stores the chemical liquid, the left and right flesh of the blowing unit coupled to the top Is composed of a chemical tank for adjusting the angle of the gun, is coupled to the upper end of the chemical tank, and is provided with a blower for adjusting the vertical spraying height, is provided on the front of the chemical tank tank from the chemical tank to the blower Consists of a control drive for generating a driving force for pumping the chemical liquid; The chemical liquid tank unit is configured with a chemical liquid tank for storing the chemical liquid therein, the chemical liquid tank frame is installed on the outside of the chemical liquid tank to support the chemical liquid tank, and the upper end of the chemical liquid tank frame is blown therein It is provided with a support that combines the portion, the lower end of the support is coupled to the rotary shaft coupled to the chemical tank frame, the lower end of the rotation axis of the rotary shaft is provided with a bearing on the contact surface with the chemical tank frame, the rotary shaft A second ring gear is coupled to the upper outer periphery of the second ring gear, a second pinion gear is fastened to the outer periphery of the second ring gear, the second pinion gear is axially coupled to the second DC motor, and the blower is The diameter of the inlet is large, and it is composed of a blower tube whose diameter decreases toward the outlet. The mouth of the blower tube is coupled with a large-diameter bell mouse to guide the intake air, and the air sucked through the bell mouse inside the blower tube prevents air from colliding with the shock-case. It is equipped with a spinner for guiding the air, and is configured at the rear end of the spinner, and sucks and blows air outside the shock case, and is composed of a jet fan in which a plurality of twisted blades (blades) are combined. A plurality of spray nozzles are mounted on the inner circumference of the outlet, and a first DC motor for forward and reverse rotation is mounted on a predetermined portion of the outer side of the blower pipe, and a first pinion gear is axially coupled to the shaft of the first DC motor. And a circular first ring gear which is fastened to the first pinion gear is fixed to an inner surface of the support. The pesticide control device provided with the multi-injection means is provided in the upper surface of the blower tube, Comprising: The gun gun nozzle for intensively spraying the narrow area of a long distance is provided.

Preferably, the control drive is coupled to the drive pulley on the outer periphery of the front end of the drive shaft, the hydraulic pulley is connected to the belt in a state spaced apart from the drive pulley to receive the driving force is provided, the hydraulic pump A hydraulic pump driven by the driving force of the pulley and converting the mechanical energy into the fluid energy by sucking the hydraulic oil and pumping it at high pressure is coupled to the hydraulic pump pulley, and is directly connected to the drive shaft to convert the high pressure fluid energy into mechanical rotational energy. A hydraulic motor is provided for converting to a jet force to provide rotational force. A rear end of the drive shaft is coupled with a spray driving pulley, and is connected to the spray driving pulley by a belt with a predetermined distance. To transfer rotational power to the spray pump by using friction between the belt and the pulley surface One spray pulley is provided, and the pesticide control device is provided with a multi-injection means, characterized in that consisting of a spray pump driven by the driving force of the spray pulley.

More preferably, the blower tube has a return spring interposed between the outer both sides thereof and the support, one end of the return spring is coupled to the support, and the other end of the return spring is coupled to the blower tube so that the first If the driving force applied to the first DC motor is removed after the height of the blower pipe is moved up and down by the rotation of the DC motor, the blower tube is returned to a position parallel to the ground by the elastic restoring force of the return spring. The pesticide control device is provided with a multi-injection means, which effectively absorbs the road impact applied to the vehicle body and prevents the road impact from being transmitted to the blower pipe.

Preferably, the spray pump further comprises a switching valve consisting of a three-way valve for selecting the path of the drug that is pumped by the spray pump at the top, the inlet of the switching valve is in communication with the spray pump Each of the two outlets of the switching valve is combined with the gun nozzle delivery pipe and the spray nozzle delivery pipe so that the switching valve is switched in accordance with the selection signal of the control box to spray the chemicals through the gun nozzle and the spray nozzle. Pesticide control device is provided with a multi-injection means.

Hereinafter, the present invention will be described in detail with reference to the drawings.

1 is a side view showing a mounting state of a vehicle equipped with a pesticide control device equipped with a multi-injection means according to an embodiment of the present invention, Figure 2 is a pesticide provided with a multi-injection means according to an embodiment of the present invention Main part side cross-sectional view showing the configuration of the control unit, Figure 3 is a rear view of the vehicle showing the configuration of a vehicle equipped with a pesticide control device with a multi-injection means according to an embodiment of the present invention, Figure 4 is an embodiment of the present invention A cross-sectional view showing the configuration of a pesticide control device equipped with a multi-injection means according to the example.

Referring to this, the pesticide control device equipped with a multi-injection means according to an embodiment of the present invention by attaching a small diameter gun gun nozzle on the top of the blower to select a large diameter blower and gun gun nozzle according to the area to be sprayed accurately to the desired area The spray spring of the blower is mounted, and a return spring is installed between the blower and the blower support frame so that the vibration shock transmitted from the vehicle is attenuated by the return spring without being transferred to the blower. It is a device to minimize the power loss by making the restoration by the.

The pesticide control vehicle 100 mounted on the rear of the pesticide control unit 200 is composed of a vehicle body 102 having a driver's seat 104 at the center top, similar to a normal vehicle, and driving wheels at the bottom front and rear, respectively. 106 is configured, the rear end of the vehicle is provided with a pesticide control unit 200 is coupled to the rear end of the vehicle body 102 through a separate frame (not shown), the drive shaft of the pesticide control vehicle 100 It is comprised so that application | coating of a chemical | medical agent may be performed by the driving force transmitted from 108.

The driver's seat 104 controls the left and right spraying angle and the vertical spraying height of the pesticide control machine 200 through a wired cable, spraying the drug through the spray nozzle provided in the blower pipe to be described later, or spraying the drug through the gun gun nozzle The control box 110 for generating a signal for selecting is provided.

In more detail, the pesticide control unit 200 stores the chemical liquid, the chemical liquid tank unit 300 for adjusting the left and right spray angle of the blowing unit 400 coupled to the upper portion is configured, the chemical liquid tank unit ( It is coupled to the upper end of the 300, and is provided with a blowing unit 400 for adjusting the vertical spraying height, is provided on the front of the chemical tank 300, the blowing unit 400 from the chemical tank 300 It is comprised by the control drive part 500 which generate | occur | produces the driving force for pumping a chemical | medical solution.

First, the chemical liquid tank unit 300 is a chemical liquid tank 302 for storing the chemical liquid is configured therein, the chemical liquid tank frame for supporting the chemical liquid tank 302 is installed outside the chemical liquid tank 302 304 is provided, the upper end of the chemical liquid tank frame 304 is provided with a support 306 in which a blower 400 is coupled to the inside, and the chemical liquid tank frame at the lower end of the support 306. Rotating shaft 308 coupled with 304 is engaged.

A bearing 310 is interposed on the lower outer periphery of the rotary shaft 308 on the contact surface with the chemical tank frame 304, and a second ring gear 312 is coupled to the upper outer periphery of the rotary shaft 308. The second pinion gear 316 is fastened to the outer circumference of the second ring gear 312, and the second pinion gear 316 is axially coupled to the second DC motor 314. At this time, the second DC motor 314 is a motor that is rotated forward and backward by the drive signal, and adjusts the spraying angle of the blower 400 to the left and right.

On the other hand, the blower 400 is similar to a conventional medicine blower, the diameter of the inlet portion is large, and the blower tube 402 is configured to become smaller diameter toward the outlet portion, the inlet portion of the blower tube 402 A large-diameter bell mouse 404 is coupled to guide the air, and the air drawn through the bell mouse 404 inside the blower tube 402 has air toward the shock braid to prevent the air from colliding with the shock case. Spinner 406 for guiding the, and is configured in the rear end of the spinner 406, the suction of the air outside the shock casing is compressed and the jet fan 408 combined with a plurality of twisted blades (blades) ) Is configured, and a plurality of spray nozzles 410 are mounted on the inner circumference of the outlet of the blower tube 402 to spray the chemical liquid delivered from the chemical liquid tank 302 to the rear end.

The present invention in the blower 400 having such a configuration, the first DC motor 412 to perform the normal and reverse rotation on the outer side predetermined portion of the blower pipe 402 is mounted, the shaft of the first DC motor 412 The first pinion gear 414 is axially coupled thereto, and a circular first ring gear 416 fastened to the first pinion gear 414 is fixed to an inner side surface of the support 306.

In addition, a return spring 418 is interposed between the outer side surfaces of the blower pipe 402 and the support 306, and one end of the return spring 418 is coupled to the support 306, The other end of the return spring 418 is coupled to the blower tube 402. Therefore, if the driving force applied to the first DC motor 412 is removed after the height of the blower pipe 402 is moved upward and downward by the rotation of the first DC motor 412, the return spring 418. By the elastic restoring force of), the blower tube 402 is returned to a position parallel to the ground.

In addition, the return spring 418 effectively absorbs the road impact applied to the vehicle body 102 to prevent the road impact from being transmitted to the blower pipe 402. Since the blower tube 402 is heavy in its own weight, when a road impact is frequently transmitted, fatigue loads accumulate, and various axially coupled parts are often damaged.

On the other hand, if the means for chemically spraying the broadband area is the blower 400, the gun gun nozzle 420 for intensively spraying the narrow area is provided on the upper surface of the blower tube 402. Since the gun nozzle 420 has a much smaller diameter than the blower pipe 402, when the drug is pushed under the same pressure, the gun can be sprayed almost linearly, and the drug can be effectively sprayed over a narrow area of a long distance.

Therefore, the user can spray the drug in a variety of ways depending on the application by selecting the drug spraying method through the blower 400 and the gun gun nozzle 420.

In this case, it is also possible to use a cyclopan method consisting of a chain or the like to adjust the left and right spray angle and the vertical spray height of the blower 400, the cyclopan method is a foreign matter working environment of the pesticide control machine Since this is made in a scattering environment, the foreign material is stuck in the chain or the chain is rusted, so that the angle adjustment of the blower 400 is not very often performed. In this design, this problem is solved by using a ring gear and a pinion gear. It can be solved as a whole.

The control drive unit 500 has a drive pulley 502 is coupled to the outer periphery of the front end of the drive shaft 108, the hydraulic pump pulley is connected to the belt in a state spaced apart from the drive pulley 502 to receive the driving force 504 is provided, the hydraulic pump 506 which is driven by the driving force of the hydraulic pump pulley 504, converts mechanical energy into fluid energy by sucking the hydraulic oil and pumping it at high pressure. Is coupled to the drive shaft 108, and is provided with a hydraulic motor 511 for converting high pressure fluid energy into mechanical rotational energy to provide rotational force to the jet 408.

A spray drive pulley 508 is coupled to the outer circumferential edge of the rear end of the drive shaft 108, and a spray pulley 510 connected to the spray drive pulley 508 via a belt is provided at a predetermined distance from the spray drive pulley 508. A spray pump 512 driven by the driving force of the spray pulley 510 is provided. The spray pulley 510 transmits rotational power to the spray pump 512 by using a friction force between the belt and the pulley surface to drive the spray pump 512.

In addition, the present invention is provided with a switching valve 514 consisting of a three-way valve for selecting the path of the drug pumped by the spray pump 512 at the top of the spray pump 512, the switching valve ( The inlet portion of the 514 is in communication with the spray pump 512, the gun gun nozzle delivery pipe 518 and the spray nozzle delivery pipe 516 are coupled to the two outlets of the switching valve 514, respectively.

Accordingly, the drug pumped through the switching valve 514 may be radiated to the wide area through the spray nozzle 410 according to the selection of the control box 110. It can be spread in a narrow area.

With reference to the accompanying drawings, the function and action of the pesticide control device equipped with a multi-jet means according to an embodiment of the present invention of the above configuration will be described in detail.

First, the pesticide control device equipped with a multi-injection means according to an embodiment of the present invention, in order to adjust the left and right spray angle of the blower 400, from the control box 110 provided in the driver's seat 104 When the driving signal is applied to the second DC motor 314, the second DC motor 314 is rotated forward or reversely, and the second pinion gear 316 axially coupled to the second DC motor 314 is rotated. The rotational force of the second DC motor 314 is transmitted to the second ring gear 312 fastened to the second pinion gear 316.

Therefore, as the second ring gear 312 is rotated, the blower 400 coupled to the upper end of the rotation shaft 308 is rotated by rotating the rotation shaft 308 to which the second ring gear 312 is coupled. It will rotate at an angle.

In addition, when the driving signal is applied to the first DC motor 412 from the control box 110 provided in the driver's seat 104 to adjust the vertical spraying height of the blower 400, the first DC The motor 412 is rotated forward or reverse, and the first pinion gear 414 axially coupled to the first DC motor 412 receives the rotational force of the first DC motor 412 from the first pinion gear 414. Transfer to the first ring gear 416 fastened to.

Therefore, the first pinion gear 414 is moved along the outer circumference of the first ring gear 416 coupled to the support 306, thereby moving the rear end of the blower tube 402 upward and downward. The spraying of the drug is made according to the proper spraying angle. In this case, the return spring 418 interposed between the support 306 and the blower pipe 402 is compressed, so that the spraying is completed, the driving signal applied to the first DC motor 412 from the control box 110 is completed. When removed, the return spring 418 restores the blower tube 402 to a state parallel to the ground.

On the other hand, the present invention is provided with a switching valve 514 consisting of a three-way valve for selecting the path of the drug pumped by the spray pump 512 at the top of the spray pump 512, the switching valve ( The inlet portion of the 514 is in communication with the spray pump 512, and the two gun outlet nozzle delivery pipe 518 and the spray nozzle delivery pipe 516 are respectively coupled to the two outlets of the switching valve 514, According to the selection of the control box 110, the medicine pushed through the switching valve 514 may be radiated to the wide area through the spray nozzle 410 along the path of the switching valve 514. Through 420 can be concentrated in the narrow area of the distant.

On the other hand, the pesticide control device equipped with a multi-injection means according to an embodiment of the present invention is not limited to the above embodiment, but various modifications can be made within the scope not departing from the technical gist.

As described above, the pesticide control device equipped with a multi-injection means according to the present invention can freely adjust the left and right spray angle and the vertical spray height of the blower pipe through a plurality of DC motor and pinion gear, return springs interposed on both sides of the blower pipe After the spray angle is adjusted, it is easily restored to its original state, and the return spring absorbs the impact force so that the driving shock of the road surface is not directly transmitted to the blower tube, and the gun gun nozzle for long-distance concentration spraying is provided on the upper surface of the blower tube. In addition, the long-range spreading and short-range spreading are possible depending on the selection of the switching valve.

Claims (4)

It consists of a vehicle body with a driver's seat at the top of the center, and the driving wheels are respectively configured at the front and rear of the bottom, and the rear end of the vehicle is provided with a pesticide control unit coupled through a separate frame and the rear end of the vehicle. In a pesticide control vehicle is configured to spray the drug by the driving force transmitted from the drive shaft of the pesticide control vehicle, It is installed in the driver's seat to control the left and right spray angle and the vertical spray height of the pesticide control device via a wired cable, and sprays the medicine through the spray nozzle provided in the blower pipe, or a signal for selecting the spray of the drug through the gun gun nozzle A control box is provided to generate, the pesticide control unit is for storing the chemical liquid, and the chemical liquid tank portion for adjusting the right and left spray angle of the blower coupled to the upper portion is configured, coupled to the upper end of the chemical liquid tank portion, spraying up and down It is provided with a blower for adjusting the height, it is provided on the front of the chemical tank is composed of a control drive for generating a driving force for pumping the chemical liquid from the chemical tank to the blower; The chemical liquid tank unit is configured with a chemical liquid tank for storing the chemical liquid therein, the chemical liquid tank frame is installed on the outside of the chemical liquid tank to support the chemical liquid tank, and the upper end of the chemical liquid tank frame is blown therein It is provided with a support that combines the portion, the lower end of the support is coupled to the rotary shaft coupled to the chemical tank frame, the lower end of the rotation axis of the rotary shaft is provided with a bearing on the contact surface with the chemical tank frame, A second ring gear is coupled to the outer circumference of the upper end of the rotary shaft, a second pinion gear is engaged to the outer circumference of the second ring gear, and the second pinion gear is axially coupled to the second DC motor. The part has a large diameter of the inlet and a blower tube that is made smaller in diameter toward the outlet. The mouth of the blower tube is coupled with a large-diameter bell mouse to guide the intake air, and the air sucked through the bell mouse inside the blower tube prevents air from colliding with the shock-case. It is equipped with a spinner for guiding the air, and is configured at the rear end of the spinner, and sucks and blows air outside the shock case, and is composed of a jet fan in which a plurality of twisted blades (blades) are combined. A plurality of spray nozzles are mounted on the inner circumference of the outlet, and a first DC motor for forward and reverse rotation is mounted on a predetermined portion of the outer side of the blower pipe, and a first pinion gear is axially coupled to the shaft of the first DC motor. And a circular first ring gear which is fastened to the first pinion gear is fixed to an inner surface of the support. Pesticide control device with a multi-injection means, characterized in that the gun gun nozzle for intensively spraying a narrow area of the remote area is provided on the upper surface of the blower. According to claim 1, wherein the control drive is coupled to the drive pulley on the outer peripheral edge of the drive shaft, the hydraulic pulley is connected to the belt in a state spaced apart from the drive pulley to receive the driving force is provided, A hydraulic pump driven by the driving force of the hydraulic pump pulley, which sucks hydraulic oil and pumps it at high pressure, converts mechanical energy into fluid energy, is coupled to the hydraulic pump pulley, and is directly connected to the drive shaft, thereby providing high pressure fluid energy. A hydraulic motor is provided for converting into mechanical rotational energy and providing rotational force to the jet fan. A spray drive pulley is coupled to the outer periphery of the rear end of the drive shaft, and the belt is spaced apart from the spray drive pulley by a predetermined distance. Connected to each other to transfer rotational power to the spray pump using the friction between the belt and the pulley surface. A spray pulley for providing a pesticide control device having a multi-injection means, characterized in that consisting of a spray pump driven by the driving force of the spray pulley. According to claim 1, wherein the blower pipe has a return spring interposed between the outer both sides and the support, respectively, one end of the return spring is coupled to the support, the other end of the return spring is coupled to the blower pipe If the driving force applied to the first DC motor is removed after the height of the blower pipe is moved to the upper and lower portions by the rotation of the first DC motor, the blower pipe is placed in a position parallel to the ground by the elastic restoring force of the return spring. A pesticide control device provided with a multi-injection means, which is to be restored and to effectively absorb the road impact applied to the vehicle body to prevent the road impact from being transmitted to the blower. According to claim 2, wherein the spray pump further comprises a switching valve consisting of a three-way valve for selecting the path of the drug pumped by the spray pump at its upper end, the inlet of the switching valve and the spray pump and The two outlets of the switching valve are connected to the gun gun nozzle delivery pipe and the spray nozzle delivery pipe respectively so that the switching valve is switched in accordance with the selection signal of the control box to spray the chemicals through the gun gun nozzle and the spray nozzle respectively. Pesticide control device equipped with a multi-injection means, characterized in that.

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