KR20220105959A - Apparatus for spraying of pesticide for tractor - Google Patents

Abstract

The present invention relates to a device for spraying a chemical material for a tractor, and more specifically, to a device for spraying a chemical material for a tractor capable of being installed in the tractor to spray the chemical material to a levee. The device for spraying a chemical material for a tractor according to the present invention comprises: a chemical material spraying unit; a chemical material storing tank; a chemical material supplying pipe; and a chemical material supplying pump. The chemical material spraying unit includes: a chemical material spraying part which is hinge-combined with a chassis or a boom of the tractor to spray the chemical material; and an operating part which rotates the chemical material spraying part to spray the chemical material to the levee. The chemical material storing tank is installed in the chassis of the tractor and stores the chemical material inside. The chemical material supplying pipe connects the chemical material storing tank and the chemical material spraying part. The chemical material supplying pump is installed in the chemical material supplying pipe and transfers the chemical material.

Description

A tractor drug spraying device {Apparatus for spraying of pesticide for tractor}

The present invention relates to a drug spreading device for a tractor, and more particularly, to a drug spreading device for a tractor installed on a tractor so as to be able to spray drugs on a paddy field.

In general, in order to remove weeds or pests of arable land such as paddy fields, a spraying device capable of spraying liquid medicinal materials on arable land is used. Such a spraying device is configured to spray medicines such as pesticides or insecticides stored in the tank toward the surface of cultivated land or the atmosphere adjacent to the cultivated land or crops during cultivation of rice, barley, etc. or various vegetables.

Such a spraying device operates a chemical liquid pump so that the operator can directly lift the nozzle by hand and spray the medicine onto the area to be sprayed. The appropriate time to apply the medicinal agent to crops or cultivated land is limited depending on the growth conditions of the crop, and when the farm is large, it is difficult to mobilize a lot of labor at once, so there are many difficulties in spraying the medicine. .

Republic of Korea Patent Registration No. 10-0526412 discloses a tractor-mounted pesticide fertilizer spraying apparatus installed on a tractor so as to be able to spray medicinal materials on the road surface of arable land as the tractor runs. Such a tractor-mounted spraying device can spray a drug over a wide arable land with little labor for a short time by spraying the drug on a certain area of the arable land while the tractor runs. However, at the edge of a conventional cultivated land, a rice paddy is formed at a height higher than that of the cultivated land to prevent water from escaping from the cultivated land. It has a disadvantage in that it is impossible to spray medicinal materials on the paddy field to remove weeds or pests growing on the paddy field.

Korean Patent Application Laid-Open No. 10-2018-0064947 discloses a frame installed in a tractor, and a first spraying unit provided with a spray nozzle capable of uniformly spraying a drug at a position forming a predetermined distance up and down on both sides of the frame for a tractor having A chemical liquid spreader is disclosed. Such a chemical liquid spreader for a tractor is possible to spray the medicinal material on a paddy field located on the side orthogonal to the running direction of the tractor. However, due to the angle between the side of the rice paddy and the first spraying part, it is difficult to uniformly spray the medicinal materials on the side of the rice paddy because the distance from each spray nozzle to the side of the rice paddy varies depending on the height of the first spraying part. , at a location where the distance between the spray nozzle and the side of the rice paddy is long, the medicinal material does not reach the side of the rice field, but falls due to gravity and reaches the injection area of other injection nozzles. have

Republic of Korea Patent No. 10-0526412 : Tractor-mounted pesticide fertilizer spraying device Korean Patent Laid-Open Patent No. 10-2018-0064947 : Chemical sprayer for tractor

An object of the present invention is to improve the above problems, and it is an object of the present invention to provide a medicine spraying device for a tractor capable of uniformly spraying medicines according to the height of the rice paddy on the side of the rice paddy.

In order to solve the above technical problem, the drug spraying device for a tractor according to the present invention is hinged to the chassis or boom of the tractor and includes a drug spraying unit capable of spraying drugs, and the drug spraying unit can spray drugs on the rice paddy. a medicine spraying unit including an operation part capable of rotating the medicine spraying part so as to be able to do so; A medicine storage tank installed on the chassis of the tractor and storing the medicine therein, a medicine supply pipe connecting the medicine storage tank and the medicine injection unit, and a medicine supply pump installed in the medicine supply pipe to transport the medicine do.

In addition, the drug injection unit includes a bracket mounted on the chassis or boom, a nozzle body having one side hinged to the bracket and connected to the operation unit to be rotatable at a predetermined angle by the operation unit, and the side of the nozzle body It is installed to be spaced apart at regular intervals along the longitudinal direction and is connected to the medicine supply pipe and includes a plurality of injection nozzles to which the medicine is injected.

In addition, the operation unit includes a servo motor connected to the hinge coupling part of the nozzle body to rotate the nozzle body at a predetermined angle, and a control unit electrically connected to the servo motor to adjust the rotation angle of the servo motor. include

According to another aspect of the present invention, the medicine injection unit has one side hinged to the other end of the nozzle body, and an auxiliary nozzle body capable of relative rotation with respect to the nozzle body, and a side portion of the auxiliary nozzle body at regular intervals along the longitudinal direction. A plurality of auxiliary injection nozzles installed to be spaced apart from each other and connected to the medicine supply pipe so as to spray the medicine on the upper surface of the paddy field, and the nozzle body and the auxiliary nozzle body are connected to the angle of the auxiliary nozzle body with respect to the nozzle body It further includes an auxiliary operation unit that can adjust the.

In addition, the auxiliary injection nozzle is formed in a tubular extending from the auxiliary nozzle body toward one side of the auxiliary nozzle body so as to spray the medicine in the vertical direction in a state in which the auxiliary nozzle body is inclined with respect to the horizontal.

According to another aspect of the present invention, the medicine injection unit is installed at the other end of the auxiliary nozzle body to prevent the medicine sprayed from the auxiliary injection nozzle from being blown away by the crosswind to cover the other side of the auxiliary injection nozzle. A cross-wind shield is further provided.

As described above, the medicine spraying device for a tractor according to the present invention rotates the nozzle body so that the spray nozzle is close to the paddy field, so that the drug is not scattered in the atmosphere, so that the drug can be uniformly sprayed on the paddy field, and the drug is prevented from wasting have an advantage

1 is a state diagram showing a state in which a tractor drug spraying device is installed on a tractor according to a first embodiment of the present invention;
Figure 2 is a perspective view for explaining the tractor drug spreading device of Figure 1;
Figure 3 is a main perspective view for explaining the drug spreading device for a tractor according to a second embodiment of the present invention,
Figure 4 is a state diagram for showing the operating state of the tractor drug spraying device of Figure 2 to spray the drug on the side and upper surface of the paddy field.

Prior to the detailed description of the invention, a tractor that can be installed with reference to FIG. Figure 1 shows a state in which the tractor 10 is installed with a tractor drug spreading device according to the present invention is located in the cultivated land.

Referring to the drawings, the tractor 10 has a vehicle body capable of running in the front-rear direction on the road surface of the cultivated land, a chassis 11 forming the basis of the vehicle body, and hinges on both sides perpendicular to the front-rear direction of the chassis 11 . It is coupled and rotates by a hydraulic oil supply means (not shown) built into the tractor 10 and includes a loader 15 that can spread the soil in front.

The loader 15 is hinge-coupled to both sides of the chassis 11, respectively, and a pair of booms 16 rotatable so that the other end is raised and lowered by a hydraulic oil supply means (not shown), and the other side of the booms 16 . It includes a bucket (17) installed at the end.

A paddy field is a structure stacked high along the edge of arable land. Referring to the drawings, the rice paddy weir protrudes upward from the road surface on which the tractor 10 is traveling so that the side A of the paddy bank is located on the side of the tractor 10 . In general, as the rice paddy bank protrudes to have a narrower cross-sectional area as it progresses from the road surface, the side surface A of the rice paddy bank is formed to be inclined from the road surface.

Hereinafter, with reference to the accompanying drawings, it will be described for a tractor drug spraying device according to the present invention. 1 to 2 is a tractor drug spraying device according to a first embodiment of the present invention is shown. The drug spraying device for a tractor according to the first embodiment of the present invention is hinged to the chassis 11 or boom 16 of the tractor 10 and a drug spraying unit 30 that is capable of spraying drugs on the rice paddy field; It is installed on the chassis of the tractor (10) and is connected to the medicine spray unit (30) and includes a medicine supply unit (70) for supplying the medicine to the medicine spray unit (30).

The medicine spraying unit 30 is hinged to the chassis 11 or boom 16 of the tractor 10 and a medicine injection unit 40 configured to spray the medicine, and the medicine injection unit 40 ) is inclined at an angle corresponding to the side surface (A) of the rice paddy field so that the medicine injection unit 40 can spray the medicine to the side surface (A) of the rice paddy field so that the medicine injection unit 40 can be rotated. It includes an operation unit (50).

The drug injection unit 40 is a bracket 31 mounted on the chassis 11 or boom 16, and one side is hinged to the bracket 31 and is connected to the operation unit 50 to connect the operation unit The nozzle body 42, which can be rotated at a predetermined angle by 50, is installed to be spaced apart at regular intervals along the longitudinal direction on the side of the nozzle body 42, and is connected to the medicine supply pipe 73 so that the medicine is It includes a plurality of injection nozzles 46 to be injected.

The bracket 31 is composed of first and second bracket bodies 31a and 31b that are fastened to each other and can be mounted on the outside of the boom 16 or separated from both sides of the boom 16 . The first and second bracket bodies 31a and 31b are formed in a bent plate shape to provide an accommodating space in which the boom 16 can be accommodated inside in a state in which they are combined. The first bracket body 31a is installed on the inner side of the boom 16 facing the chassis 11 , and the second bracket body 31b is installed on the outside of the boom 16 in the opposite direction to the inner side. installed in the room.

The first bracket body 31a and the second bracket body 31b have first and second flanges 31c and 31d respectively extending in the vertical direction from the upper and lower ends in contact with each other and fastened by bolting to each other. is formed The second bracket body 31b is formed with a nozzle support part 32 on the outer surface of which the nozzle body 42 can be hinged.

The nozzle body 42 is formed in a tubular shape extending to a predetermined length and having a sealed hollow therein. The nozzle body 42 is provided with a nozzle body hinge coupling part 43 capable of being hingedly coupled to the bracket 41 at one end of the nozzle body 42 . The nozzle body 42 is installed such that the nozzle body hinge coupling part 43 is hinged to the bracket 31 so that the nozzle body 42 is rotatable. The nozzle body 42 is provided with a connection nozzle (42a) that can be connected to the drug supply pipe 73 to be described later on the side. The connection nozzle 42a and the drug supply pipe 73 may be connected through any one of a quick-coupler connection, a screw connection, and a flange connection.

The injection nozzles 46 are installed outside the nozzle body 42 . Although it is shown in the drawing that the injection nozzles 46 are arranged in one row along the longitudinal direction of the nozzle body 42, they are installed in a plurality of rows, or the injection areas of each injection nozzle 46 are alternately arranged. The installed one may be applied.

The injection nozzle 46 protrudes from the outer circumferential surface of the nozzle body 42 along the outer direction of the tractor 10 and communicates with the hollow portion of the nozzle body 42 to be introduced through the nozzle body 42 The injection hole (46a) is provided so that the medicine can be injected to the outside. In this embodiment, the spray nozzle 46 is formed in a tubular shape, but differently, a spray nozzle type in which the medicine can be sprayed in a predetermined pattern may be applied. In addition, in this embodiment, the injection nozzle 46 is connected to the medicine supply pipe 73 through the nozzle body 42, but differently, the injection nozzle 46 and the medicine supply pipe 73 are directly connected to each other. may be configured.

The operation part 50 is connected to the hinge coupling part of the nozzle body 42 to rotate the nozzle body 42 at a predetermined angle. The servo motor 51 and the servo motor 51 are electrically connected to each other. It is connected to include a control unit 53 that can adjust the rotation angle of the servo motor (51).

The control unit 53 is installed in the tractor 10 . The control unit 53 includes a manipulation unit that allows a driver who drives the tractor to operate the servomotor 51 . The control unit 53 is electrically connected to the drug supply pump 75, the speaker 55, the indicator light 56, and the on/off valve 76 to be described later and receives an operation signal to control the operation of each component. It has a means of communication that can transmit.

As the servomotor 42 , a normal servomotor capable of rotating the nozzle body 42 at a predetermined angle according to an operation signal received from the controller 53 is applied. The servomotor 42 has a body portion fixed to the bracket body 31a, 31b. In the control unit 53 , a rotating shaft portion is axially coupled to a hinge coupling portion of the nozzle body 42 and the nozzle support portion 32 to rotate the servomotor 42 .

A speaker 55 that is installed on the chassis 11 of the tractor 10 and emits a notification sound or a warning sound when the medicine supply pump 75 operates may be further provided. When receiving a control signal from the control unit 53 , the speaker 55 transmits a predetermined melody or warning sound stored in the control unit 53 .

In addition, an indicator light 56 installed in the chassis 11 of the tractor 10 to display lights of different colors that are distinguished from each other so that the drug supply pump 75 is in operation or not in operation. This may be further provided. The indicator light 56 includes an operation indicator light 56a indicating a state in which the drug supply pump 75 is in operation and a stop indicator light 56b indicating a state in which the drug supply pump 56b is stopped do. The control unit 53 transmits an operation signal for operating the operation indicator light 56a to the indicator light 56 in the state that the drug supply pump 75 is in operation, and the drug supply pump 75 is stopped In this state, an operation signal for operating the stop indicator light 56b is transmitted.

The medicine supply unit 70 is installed on the chassis 11 of the tractor 10 and includes a medicine storage tank 71 in which the medicine is stored, the medicine storage tank 71 and the medicine injection unit 40 ) and a medicine supply pipe 73 for connecting, and a medicine supply pump 75 installed in the medicine supply pipe 73 to transport the medicine.

The medicine storage tank 71 has a storage space in which the liquid medicine can be stored therein and can be opened and closed by a lid coupled to the upper portion. The medicine storage tank 71 may be a tank made of PP (polyproplene), PE (polyethylene), or metal. In this embodiment, the chassis 11 of the tractor 10 is provided with a holder 11a on the rear side on which the medicine storage tank 71 can be mounted, and the medicine storage tank 71 is mounted on the holder 11a. installed to be mounted. Alternatively, the medicine storage tank 71 may be fixedly installed on the chassis 11 in a different manner.

Agrochemicals such as herbicides, pesticides or mixtures thereof may be applied to the medicines stored in the medicine storage tank 71, and those consisting of liquid or aqueous solutions are applied.

The medicine supply pipe 73 is a first supply pipe 73a connecting the medicine storage tank 71 and the medicine supply pump 75, and the medicine supply pump 75 and the nozzle body 45 connecting the first supply pipe 45. Two supply pipes (73b) are included. The first and second supply pipes (73a, 73b) are applied to a pipe or hose having a hollow portion to which the medicine can be transferred therein. In particular, the second supply pipe 73b is preferably a hose that can adaptively change shape as the nozzle body 45 rotates.

In this embodiment, the medicament injection unit 40 has a configuration in which a pair is installed on both sides of the tractor 10 and the second supply pipe 73b is branched from the medicament supply pump 75 . The second supply pipe (73b) has one side of the pump discharge pipe (74a) connected to the discharge side of the drug supply pump (75), and the pump discharge pipe through a tee (tee) installed on the other side of the pump discharge pipe (74a). Branched from the other side of the (74a) may be composed of a branch connecting pipe (74b) connected to each of the nozzle body (45).

The first supply pipe (73a) has a first opening/closing valve (76a) capable of opening and closing the first supply pipe (73a) to block or allow the inflow of the drug from the drug storage tank (71) to the drug supply pump (75) ) is installed. A second opening/closing valve 76b capable of opening and closing the second supply pipe 73b is installed in the second supply pipe 73b to block or allow the inflow of the drug from the first supply pipe 73a. In this embodiment, as a pair of medicine injection parts 40 are installed on both sides of the tractor 10, they are installed in the branch connection pipe 74b connected to each nozzle body 42, and each of the nozzle body 42. It is configured to be able to individually control that the drug is supplied to the. Unlike this embodiment, the second opening/closing valve 76b may be installed in the pump discharge pipe 74a and configured to collectively control the supply of the medicine from the nozzle bodies 42 . The first and second opening/closing valves 76a and 76b are solenoid valves applied and electrically connected to the control unit 53 so that the user can remotely control them through the operation unit of the control unit 53. desirable. Alternatively, the first and second opening/closing valves 76a and 76b may be configured to be directly controlled by a user by applying a ball valve or a gate valve.

The medicine supply pump 75 is connected to the medicine storage tank 71 through the first supply pipe 73a to transport the medicine supplied from the medicine supply pump 75. A rotary pump (rotary pump) Alternatively, a reciprocating pump may be applied. The drug supply pump 75 is connected to the drive system of the tractor 10 and configured to transport the drug through the rotational power drawn from the tractor 10, or a motor connected to the drug supply pump 75 It may be further provided and configured to be operated by the rotational force transmitted through the motor.

Hereinafter, the effect of the tractor drug spraying device according to the first embodiment of the present invention configured as described above will be described.

In a state in which the first and second on/off valves 76a and 76b close the flow paths of the first and second supply pipes 73a and 73b, and the medicine is stored in the medicine storage tank 71, the user 1 Operate the on-off valve 76a and the medicine supply pump 75 and open the second on-off valve 76b connected to the medicine injection unit 40 located in the direction in which the medicine is to be sprayed to release the medicine to the side. can be sprayed with In addition, the user may rotate the rotation shaft of the servomotor 51 to rotate the nozzle body 42 so that the injection nozzle 46 is orthogonal to the side surface A of the paddy field.

The drug spraying device for a tractor according to the first embodiment of the present invention as described above has the advantage of being able to easily spray the drug on the side (A) of the rice paddy as the tractor 10 travels forward.

In addition, the tractor drug spraying device according to the first embodiment of the present invention is easily the tractor (10) by separating the first bracket body (31a) and the second bracket body (31b) for maintenance or maintenance. It has the advantage of being easy to remove from the boom 16 of the machine or to install for use.

In addition, in the tractor drug spraying device according to the first embodiment of the present invention, the nozzle body 42 is rotated by the operation unit 50 so that the injection nozzle 46 is positioned close to the side surface (A) of the paddy field (A). By adjusting the angle of the nozzle body 42 so that the nozzle body 42 and the side face A of the paddy field form a mutually parallel angle, the side A of the paddy field from the spray nozzle 46 ), the distance is uniformly aligned so that, according to the height of the paddy field, the drug is uniformly sprayed on the side surface (A) of the paddy field without being scattered in the atmosphere, and has the advantage of preventing the drug from being wasted.

3 to 4 is a tractor drug spraying device according to a second embodiment of the present invention is shown. In the second embodiment of the present invention, the medicinal herb spreading device for a tractor according to the second embodiment of the present invention is the same as that of the first embodiment other than the drug spraying unit 40, the overlapping description will be omitted.

Referring to the drawings, the medicine injection unit 40 has an auxiliary nozzle body 82 having one side hinged to the other end of the nozzle body 42 so as to be rotatable relative to the nozzle body 42, and the auxiliary nozzle body. A plurality of auxiliary injection nozzles 86 installed at regular intervals along the longitudinal direction on the side of (82) and connected to the medicine supply pipe 73 so as to spray the medicine on the upper surface (B) of the rice paddy field (86), An auxiliary operation part 90 for adjusting the angle of the auxiliary nozzle body 82 with respect to the nozzle body 42 by connecting the nozzle body 42 and the auxiliary nozzle body 82, and the auxiliary nozzle body ( 82) is installed at the other end of the auxiliary injection nozzle 86 to prevent the medicine from being blown away by the crosswind, the side wind shield 100 is further provided to cover the other side of the auxiliary injection nozzle 86. .

The nozzle body 42 has an auxiliary nozzle support portion 49 extending along the longitudinal direction so that a second auxiliary hinge coupling portion 83 to be described later can be hinged to the other end thereof. The nozzle body 42 has a cylinder support portion 48 protruding from the side in the inward direction so that a cylinder hinge coupling portion 95 to be described later can be hinged.

The auxiliary nozzle body 82 is formed in a tubular shape extending to a predetermined length and having a sealed hollow portion therein. The auxiliary nozzle body 82 has an auxiliary hinge coupling portion 83 that can be hingedly coupled to the auxiliary nozzle support portion 49 at one end thereof extending in the longitudinal direction. At this time, the auxiliary nozzle support part 49 and the auxiliary hinge coupling part 83 are mutually hinged so that the auxiliary nozzle body 82 can be inclined with respect to the nozzle body 42 along the outer direction of the tractor 10 . are combined The auxiliary nozzle body 82 has a rod support portion 88 protruding from the side along the inward direction so that a rod hinge coupling portion 95 to be described later can be hinged. At this time, as the auxiliary nozzle body 82 rotates in the outward direction, the cylinder 92 to be described later is prevented from interfering with the nozzle body 42. It is formed to protrude downwardly from the outer peripheral surface. The auxiliary nozzle body 82 is provided with an auxiliary connection nozzle 82a to which a medicine supply pipe 73 to be described later can be connected to the side. The auxiliary connection nozzle 82a and the drug supply pipe 73 may be connected through any one of the quick-coupler connection, screw connection, and flange connection. The auxiliary nozzle body 82 is provided with a shielding bracket 89 at the other end so that the side wind shield 100 can be supported. The shielding film fixing bracket 89 is formed to extend along the longitudinal direction from the other end of the auxiliary nozzle body 82, and the end of the auxiliary nozzle body 82 has a wider width. At the end of the shielding fixing bracket 89, a fastening hole through which a shielding member 102 to be described later can be fastened is formed therethrough.

Although not shown in the drawings, the drug supply pipe 73 is further provided with an auxiliary branch connection pipe (not shown) branching from the branch connection pipe 74b, and the auxiliary branch connection pipe (not shown) is connected to the auxiliary connection nozzle ( By being connected to 82a), the medicine may be connected to the auxiliary injection nozzle 86 through the auxiliary nozzle body 82. At this time, it is preferable that an auxiliary on-off valve (not shown) is installed in the auxiliary branch connection pipe (not shown) so as to be able to individually control the injection of the medicine from the auxiliary connection nozzle 82a.

The auxiliary injection nozzles 86 are installed outside the auxiliary nozzle body 82 . In the drawing, it is shown that the auxiliary injection nozzles 86 are arranged in one row along the longitudinal direction of the auxiliary nozzle body 82, but differently, they are installed in a plurality of rows or the injection area of each auxiliary injection nozzle 86 is alternated. Those installed to be arranged in a family register may be applied.

The auxiliary injection nozzle 86 protrudes from the outer peripheral surface of the auxiliary nozzle body 82 along the outer direction of the tractor 10 . The auxiliary injection nozzle 86 is extended to be deflected toward one side of the auxiliary nozzle body 82 so that the medicine can be sprayed in the vertical direction in a state where the auxiliary nozzle body 82 is inclined with respect to the horizontal. . The auxiliary injection nozzle 86 communicates with the hollow part of the auxiliary nozzle body 82 so that the medicine introduced through the auxiliary nozzle body 82 can be sprayed outwardly of the tractor 10. A screw hole 86a is provided. In this embodiment, the auxiliary injection nozzle 86 is formed in a tubular shape, but differently, a spray nozzle type in which the medicine can be sprayed in a predetermined pattern may be applied. In addition, in this embodiment, the auxiliary injection nozzle 86 is connected to the medicine supply pipe 73 through the auxiliary nozzle body 82, but differently the auxiliary injection nozzle 86 and the medicine supply pipe 73 are mutually It may be configured to be directly connected.

The side wind shield 100 is formed in a plate shape in the longitudinal direction. The crosswind shield 100 may be made of an iron plate, synthetic resin, plywood, or the like. The crosswind shielding membrane 100 is formed to have a width sufficient to cover the bono jet nozzle 86 to sufficiently block the crosswind blowing from the other side of the auxiliary nozzle body 82 .

The auxiliary operation unit 90 includes an auxiliary actuator 91 having one side hinged to the cylinder supporting unit 48 and the other side hinged to the rod supporting unit 88 and operated to extend in length, and the auxiliary actuator 91 . ) and a hydraulic oil supply means (not shown) for rotating the auxiliary nozzle body 82 with respect to the nozzle body 42 by operating.

The auxiliary actuator 91 has one side of a cylinder 92 hinged to the cylinder support part 48, and one side of the cylinder 92 moves forward and backward according to the flow of hydraulic oil supplied to the cylinder 92 from the inside. and a hydraulic cylinder including a rod 94 hinged to the rod support part 88 on the other side is applied.

The cylinder 92 has a cylinder hinge coupling part 93 protruding from one end thereof, and the cylinder coupling part 93 is hinged with the cylinder support part 48 . One side of the rod 94 is inserted into the cylinder 92 and a rod hinge coupling portion 95 is provided at the other end thereof to be hingedly coupled to the rod support portion 88 . The cylinder 92 is connected to a hydraulic oil supply means (not shown). The hydraulic oil supply means (not shown) may supply hydraulic oil to the cylinder 92 to advance and retreat the rod 94 with respect to the cylinder 92 . The hydraulic oil supply means (not shown) may have a built-in configuration so that the tractor 10 can elevate the loader 15 . Alternatively, a hydraulic oil supply tank (not shown) installed in the chassis 11 and storing hydraulic oil, a hydraulic oil supply pump (not shown) connected to the hydraulic oil supply tank (not shown) to supply the hydraulic oil, and the A hydraulic oil supply pump (not shown) and a manifold (not shown) that interconnects the cylinder 92 and that the hydraulic oil advances or retracts the rod 94 with respect to the cylinder 92 may be applied.

In this embodiment, the auxiliary operation unit 90 is configured to rotate the auxiliary nozzle body 82 using a conventional hydraulic cylinder. A servomotor that is connected to rotate the auxiliary nozzle body 82 at a predetermined angle may be applied.

Hereinafter, the effect of the tractor drug spraying device according to the second embodiment of the present invention will be described.

The drug spraying device for a tractor according to the second embodiment of the present invention configured as described above is the nozzle body 42 by the operation unit 50, the spray nozzle 46 is close to the side (A) of the paddy field In the state of being rotated to do so, the auxiliary nozzle body 82 may be rotated such that the auxiliary injection nozzle 86 is close to the upper surface B of the paddy field. In this state, as the tractor 10 travels forward, the medicine is sprayed to the side A of the rice paddy located on the side of the tractor 10 through the injection nozzle 46, and the auxiliary injection nozzle ( 86) through the upper surface (B) of the rice paddy also has the advantage of enabling to spray the medicine.

In addition, the tractor drug spraying device according to the second embodiment of the present invention is formed to extend in the direction in which the auxiliary injection nozzle 86 is deflected in one direction of the auxiliary nozzle body 82, the nozzle body 42 And the medicine is sprayed so as to easily reach the corner where the side surface (A) and the top surface (B) of the paddy field meet, which is a portion corresponding to the connection part of the auxiliary nozzle body 82, the medicine is sprayed and the medicine is It has the advantage that it is not necessary to rotate the auxiliary nozzle body 86 excessively in order to spray on the upper surface (B) of the paddy field.

In addition, the drug spraying device for a tractor according to the second embodiment of the present invention is that the crosswind blowing along the upper surface (B) of the rice paddy is blocked by the crosswind shield 100 and sprayed from the auxiliary spray nozzle 86. It has the advantage that the drug is prevented from flying off.

A : Side of paddy field B : Top face of paddy field
10 tractor 11: chassis
15: loader 16: boom
30: medicine injection unit 40: medicine injection unit
41: nozzle body 46: spray nozzle
50: operation unit 51: servo motor
70: medicine supply unit 71: medicine storage tank
75: medicine supply pump 73: medicine supply pipe

Claims (6)

A medicine spraying unit including a medicine injection unit hinged to the chassis or boom of the tractor and capable of spraying medicine, and an operation unit capable of rotating the medicine injection unit so that the medicine injection unit can spray medicine on the rice paddy;
A medicine storage tank installed in the chassis of the tractor and storing the medicine therein, a medicine supply pipe connecting the medicine storage tank and the medicine injection unit, and a medicine supply pump installed in the medicine supply pipe to transport the medicine A medicine supply unit for a tractor, characterized in that it comprises a medicine supply unit. The method of claim 1,
The drug injection unit includes a bracket mounted on the chassis or boom, a nozzle body having one side hinged to the bracket and connected to the operating unit to be rotated at a predetermined angle by the operating unit, and a length on the side of the nozzle body A drug dispensing device for a tractor, which is installed to be spaced apart from each other at regular intervals along the direction and is connected to the drug supply pipe, comprising a plurality of spray nozzles through which the drug is sprayed. 3. The method of claim 2,
The operation unit includes a servomotor connected to the hinge coupling portion of the nozzle body to rotate the nozzle body at a predetermined angle, and a control unit electrically connected to the servomotor to adjust the rotation angle of the servomotor. Medicine dispensing device, characterized in that 4. The method of claim 2 or 3,
The medicine injection part is hinged to the other end of the nozzle body on one side, and the auxiliary nozzle body is rotatable relative to the nozzle body, and the side of the auxiliary nozzle body is installed at regular intervals along the longitudinal direction and spaced apart from each other. A plurality of auxiliary injection nozzles connected to the medicine supply pipe so as to spray the medicine on the upper surface, and an auxiliary operation unit that can adjust the angle of the auxiliary nozzle body with respect to the nozzle body by connecting the nozzle body and the auxiliary nozzle body more A tractor drug spraying device, characterized in that it is provided. 5. The method of claim 4,
The auxiliary injection nozzle is characterized in that it is formed in a tubular shape extending from the auxiliary nozzle body toward one side of the auxiliary nozzle body so that the medicine can be sprayed in the vertical direction in a state in which the auxiliary nozzle body is inclined with respect to the horizontal. Medicinal spraying device for tractors. 5. The method of claim 4,
The medicine injection unit is installed at the other end of the auxiliary nozzle body to prevent the medicine sprayed from the auxiliary injection nozzle from being blown away by the crosswind, it characterized in that it further comprises a crosswind shielding film covering the other side of the auxiliary injection nozzle. A drug spraying device for tractors.

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