JP6733347B2 - Self-propelled control machine - Google Patents

Description

The present invention relates to a self-propelled control machine for spraying crops and other chemicals on crops in a field.

As described in Patent Document 1 below, a self-propelled control machine travels in a field with a control boom having a large number of spray nozzles arranged on the left and right side portions of a traveling vehicle and is laterally extended to perform spraying work. When the vehicle travels on the road, the left and right extermination booms are folded along the front-back direction of the traveling vehicle to be supported.

JP, 2014-213294, A

When an operator gets on the cockpit located in the left and right center of the vehicle body, the operator standing on the side of the vehicle body operates the boarding/alighting switch located on the side of the cockpit, reaching out from the outside of the control boom and operating it. However, there is a problem in that the operator's hand extended to the entry/exit switch must be prevented from being caught in the rising control boom.

An object of the present invention is to provide a self-propelled control machine for storing a control boom in a side portion of a traveling vehicle along the front-rear direction, and to provide a safe switch for raising and lowering the control boom when an operator rides on the traveling vehicle. It is to make it easy to operate.

The above conventional problems are solved by the following technical means.

The first invention is
A cabin in which a worker rides in front of a traveling vehicle body (2) traveling with front wheels (6) and rear wheels (7)
(20) is provided and the medicine tank (30) is mounted on the rear part, and the drug tank (30) is installed on the front part of the cabin (20).
Pest control work posture in which the control boom (40) is extended to the left and right and the left and right side portions of the traveling vehicle body (2).
In a self-propelled insect control machine that can be switched to a storage posture that is set in a backward rising posture,
A side guard (50) is provided at a position on the rear side of the cabin (20) for restraining the movement of the control boom (40) toward the cabin (20),
The boom operation switch box (65) is provided with an elevating switch (65a) for elevating the control boom (40),
A mounting bracket (67) is provided below the side guard (50),
The boom operation switch box (65) is provided on the mounting bracket (67),
The outer surface of the mounting bracket (67) is flush with the outer surface of the side guard (50),
A cushioning material (68) is provided on the outer surface of the mounting bracket (67),
A position of the boom operation switch box (65) is lower than a position of the control boom (40) in the stored posture, which is a self-propelled control machine.
The second invention is
The control boom (40) includes a center boom (40a) provided on the front side of the traveling vehicle body (2) and side booms (40b) on both sides,
A caster (81) that rotates freely is attached to the lower surface of the rear end of the side boom (40b),
The side boom (40b) is configured to be detachable from the center boom (40a),
The removed side boom (40b) is the self-propelled control machine according to the first aspect of the present invention, which is movable by grounding the caster (81).
The third invention is
A drug tank removing device is provided below the drug tank (30) on the traveling vehicle body (2) side,
The medicine tank removing device is composed of a take-out guide bar (73L, 73R) which is rotated by a hydraulic cylinder (74),
By placing the medicine tank (30) on the ejection guide bar (73L, 73R) and operating the hydraulic cylinder (74) to rotate the ejection guide bar (73L, 73R) to be grounded, The self-propelled control machine according to the first or second aspect of the present invention is capable of separating the tank (30) from the traveling vehicle body (2).
A first invention related to the present invention is to provide a cabin (20) on which a worker rides in a front portion of a traveling vehicle body (2) traveling with front wheels (6) and rear wheels (7), and a medicine tank ( 30) is mounted and a control boom is installed in the front part of the cabin (20), and a control boom is extended to the left and right, and a storage position in which the left and right side parts of the traveling vehicle body (2) are raised backward. In the self-propelled control machine that can be switched to a switch, an elevating switch (65a) for elevating the control boom (40) can be operated from the side of the traveling vehicle body (2) to the rear side of the cabin (20). It is a self-propelled insect control machine characterized by being provided.

A second invention related to the present invention is characterized in that the elevating switch (65a) can be operated by reaching out from the lower side of the control boom (40) placed on the boom receiver (80). The self-propelled control machine of the first invention related to the present invention .

A third aspect of the present invention relates to a side part of the cabin (20), which is provided with a side part guard (50) for restraining movement of the control boom (40) toward the cabin (20). A guard (50) is provided with the elevating switch (65a), which is one of the first and second self-propelled control machines related to the present invention .

A fourth invention related to the present invention is characterized in that a cushioning material (68) for the control boom (40) is provided on an outer portion of a mounting bracket (67) of the lifting switch (65a). The self-propelled control machine according to any one of the first to third aspects of the present invention .

According to the present invention, the raising/lowering switch 65a provided on the rear side of the cabin 20 has a height that makes it easy for a worker standing on the side of the traveling vehicle body 2 to operate, and the raising/lowering switch 65a does not have to be in a leaning posture. It is possible to perform a safe and easy raising/lowering operation by reaching out to the user, and it is possible to suppress the risk of the hands being caught by the pest control boom 40.
In the first invention related to the present invention, the raising/lowering switch 65a provided on the rear side of the cabin 20 has a height that makes it easy for an operator standing on the side of the traveling vehicle body 2 to bend the waist. The user can reach the lift switch 65a without a proper posture and perform a safe and easy lifting operation.

In the second invention related to the present invention, in addition to the effect of the first invention related to the present invention, the control boom 40 mounted on the boom receiver 80 does not descend, and is lifted when the control boom 40 is raised. It is safe because the pest control boom 40 does not hit the operator's arm extended to the switch 65a.

In the third invention related to the present invention, in addition to the effect of the first or second invention related to the present invention, a side guard 50 for preventing the control boom 40 from hitting the cabin 20 is provided laterally from the cabin 20. Since it is overhanging, the hand of the worker standing on the side portion of the traveling vehicle body 2 easily reaches the elevating switch 65a.

In a fourth invention related to the present invention, in addition to the effect of the first, second or third invention related to the present invention, the pest control boom (on the outer side of the mounting bracket (67) of the lifting switch (65a) ( Since the cushioning material (68) with 40) is provided, safety can be secured.

It is a left side view of a self-propelled control machine. It is the perspective view which looked at the self-propelled control machine from the right front. It is the perspective view which looked at the self-propelled control machine from the left back. It is a top view of the self-propelled control machine which made the cabin the cross section. It is the groundplan which looked at the self-propelled control machine under control work from the sky. It is an upper left part perspective view of a cabin. It is a front view of a boom operation switch box. It is a right side view of a part showing a medicine tank removing device. It is a rear view which shows a chemical|medical agent tank removal apparatus. It is an expansion perspective view of a side boom.

Modes (embodiments) for carrying out the present invention will be described in detail with reference to the drawings.

In the description of the embodiments, the left-right direction and the forward direction are expressed, but the configuration of the present invention is not limited.

The self-propelled control machine 1 according to the present embodiment is a work vehicle in which an operator such as an operator rides on the traveling vehicle body 2 and sprays a drug on a field while performing a driving operation. As shown in FIGS. 1 to 3, the self-propelled insect control machine 1 includes a traveling vehicle body 2, a cabin 20, a chemical tank 30, and a control boom 40 for spraying chemicals supplied from the chemical tank 30 to a field. It consists of

In the present embodiment, the traveling direction of the self-propelled control machine 1 is a direction along the front-back direction of the traveling vehicle body 2, and when the self-propelled control machine 1 goes straight ahead of the driver seat 4 (see FIG. 4). This is the direction toward the glass GF. The vehicle width direction or the left-right direction of the traveling vehicle body 2 is a direction that is orthogonal to the traveling direction in the horizontal direction. Further, the up-down direction of the traveling vehicle body 2 is a direction perpendicular to the traveling direction.

The traveling vehicle body 2 includes a main frame 3, a driver's seat 4, a steering wheel 5, front wheels 6 and rear wheels 7. The main frame 3 is formed to extend in the front and rear of the traveling vehicle body 2 and is composed of a left main frame 3L and a right main frame 3R. The driver's seat 4 is a seat for an operator to sit down when operating the self-propelled control machine 1. At an appropriate position around the driver's seat 4, an operation unit 90 for controlling operations such as opening/closing of the control boom 40 and spraying of a medicine is arranged.

A steering handlebar 5 standing upright in front of the driver's seat 4 changes the traveling direction of the self-propelled insect control machine 1 by steering at least the left and right front wheels 6, 6 by a turning operation by an operator. That is, the front wheels 6 and 6 are steered wheels that are steered by at least the turning operation of the steering handle 5.

The front wheels 6 and the rear wheels 7 are rotatably driven by the power of the engine in the bonnet BN being appropriately changed in speed in a transmission case (not shown).

The cabin 20 forms a passenger compartment by enclosing the driver's seat 4, peripheral devices, a steering handle, and the like. The cabin 20 is arranged between the medicine tank 30 and the control boom 40. The cabin 20 includes a cabin frame 21, a cabin roof 22, left and right doors 25L and 25R, and the like.

It should be noted that a water jet nozzle and a wiper may be provided on the lower left and right sides or one side of the front glass GF so that the front surface can be wiped off appropriately. The jet nozzles and wipers provided on the left and right sides may be used simultaneously, alternately, or only on the necessary side.

As shown in FIG. 2, left and right work lights WR1 and WR2 are provided on the front upper portion of the cabin 20. Left and right headlights BFL and BFR are provided at the front of the bonnet BN. The left and right work lights WR1 and WR2 are configured to interlock with the left and right headlights BFL and BFR. That is, when the left and right work lights WR1 and WR2 are turned on, the left and right headlights BFL and BFR are turned off. As a result, since they are not lit simultaneously, charging/discharging performance can be secured and the battery can be prevented from running out.

The drug tank 30 is a container that stores the drug solution sprayed from the boom 40. The chemical|medical agent tank 30 is arrange|positioned at the back side of the cabin 20, as shown in FIG. As shown in FIG. 4 in plan view, the medicine tank 30 is formed in a U shape so as to surround the left and right sides and the rear side of the driver's seat 4, and is detachably mounted on the main frame 3. The drug solution is a liquid such as a liquid in which a fertilizer, a pesticide or the like is dissolved in a solvent (for example, water), or a liquid (for example, water) containing a solid content such as a fertilizer or a pesticide.

As shown in FIG. 5, the control boom 40 is for widely spraying chemicals on the left and right of the front side of the self-propelled control machine 1. The boom 40 is provided on the front side of the traveling vehicle body 2. The boom 40 is composed of a center boom 40a and side booms 40b, 40b on both sides.

The center boom 40a is arranged on the front side of the self-propelled insect control machine 1 and extends horizontally in the vehicle width direction of the traveling vehicle body 2. Further, the center boom 40a is provided with a plurality of nozzles 41a for spraying a drug in a mist form at intervals.

A center boom left support plate 45L and a center boom right support plate 45R are fixed to the left and right main frames 3L and 3R, respectively. Further, one ends of the center boom left lifting arm 40aL and the center boom right lifting arm 40aR are attached to the center boom left supporting plate 45L and the center boom right supporting plate 45R, respectively. The other end of the elevating arm 40aR is connected to the center boom 40a.

The side booms 40b are attached to the left and right sides of the center boom 40a so as to be switchable between a spraying posture extending in the vehicle width direction of the traveling vehicle body 2 and a storage posture along the left and right sides of the traveling vehicle body 2. Further, the side boom 40b is supported by the boom receivers 80 (FIG. 1) arranged on the left and right sides on the rear side of the traveling vehicle body 2 in a posture in which the side boom 40b is inclined rearward and upward in a side view when it is stored. The side boom 40b is provided with a plurality of nozzles 41b for spraying a drug in a mist form at intervals.

As shown in FIG. 2, the air conditioner main body 100 that generates cooling air in the air conditioner is arranged on the ceiling of the cabin 20, and is covered by a cabin roof 22 that covers the upper portion of the cabin 20. As a result, the air conditioner body 100 can be protected from the scattered chemical liquid during the control. A condenser 48 is provided on the rear side of the right open/close door 25R, and a fixed window glass 38R is provided on the front side of the right open/close door 25R. Reference numeral 55 shown in FIG. 3 is a receiver dryer disposed behind the capacitor 48.

Further, as shown in FIG. 1, the outside air introducing portion 110 of the air conditioner is configured to be provided downward at the center of the rear portion of the cabin roof 22 in the left and right direction. As a result, the outside air can be introduced from the rear part where the chemical liquid is less scattered away from the control boom 40.

A left side rearview mirror 35L capable of monitoring the rear of the vehicle body is attached to the left front protruding arm 27L via a left support plate 36L.

As shown in FIG. 6, on the left and right fourth frames 21b at the rear of the cabin frame 21 of the cabin 20, side guards 50 protruding laterally are rotatably fixed, and the outer side surface of the side guards 50 is fixed. A cushioning member 51 such as a rubber plate is attached to each other with bolts 51a so that the side boom 40b that is bent when the side boom 40b is moved up and down or opened and closed does not directly hit the cabin frame 21. The head of the bolt 51a does not protrude from the cushioning material 51.

Below the side guard 50, a boom operation switch box 65 shown in FIG. 7 is provided by a mounting bracket 67. The outer surface of the mounting bracket 67 is flush with the outer surface of the side guard 50, and a cushioning material 68 is attached thereto. The position of the boom operation switch box 65 is slightly lower than the side boom 40b in the stowed position, so that when the operator gets into the cabin 20 from the boarding step 66L on the left side, the side boom 40b on the left side does not get in the way. However, there is no danger that the side boom 40b will fall to the arm extended by the operator. A boarding step 66R on the left side is provided on the right side.

The boom operation switch box 65 is provided with an elevating switch 65a and an opening/closing switch 65b. The elevating switch 65a moves the side boom 40b up and down, and the opening/closing switch 65b horizontally opens and closes the side boom 40b. The opening/closing switch 65b may be moved up and down and opened/closed by a single cross joystick switch.

If the boom operation switch boxes 65 are provided on the left and right sides of the cabin 20, it is easy to get on the cabin 20 from either the left or right side. Further, reference numeral 25L is a left opening/closing door, and reference numeral 39 is a fixed rear window glass. A fixed front window glass 38L is provided on the front side of the left opening/closing door 25L.

A turn signal lamp 52 for night work is attached to the upper surface of the side guard 50.

A handle may be provided below the side guard 50 so that it can be used when getting on and off.

In addition, the boom operation switch box 65 may be rotated so that the surface can be fixed at an angle at which it can be easily seen, or can be removed by a knob bolt.

Further, it is advisable to provide a clearance at the bottom of the boom operation switch box 65 so that the water that has entered can be discharged.

It is also possible to attach a camera showing the lower rear to the side guard 50 so that the monitor in the cabin 20 can monitor the state of the rear wheel 7.

8 and 9 show a medicine tank removing device provided on the traveling vehicle body 2 below the medicine tank 30. Ejection guide bars 73L and 73R that rotate by the hydraulic cylinder 74 are provided. Stoppers are provided at the tips of the guide bars 73L and 73R. An extension guide 77 with 77a is attached by a pin so that it can be expanded and contracted, and the medicine tank 30 that is taken out backward from the traveling vehicle body 2 is placed on the guide bars 73L and 73R and the extension guide 77, and the guide bars 73L and 73R are lowered by the hydraulic cylinder 74. It can be separated from the traveling vehicle body 2 by slowly rotating to the ground of the rear side of the drug tank 30.

At this time, when the stopper 77a is removed and the extension guide 77 is shortened to rotate the guide bars 73L and 73RR upward, the bottom surface is pushed up and the rear side surface is lowered, so that the medicine tank 30 can be erected.

A carrier 75 is detachably attached with a knob bolt 78 between the left and right guide bars 73L and 73R. A pantograph type jack 76 is attached to the tip of the extension guide 77 so that the rear portion of the traveling vehicle body 2 can be jacked up. The carrier 75 loads luggage, but can be used as a step for an operator to board. The turning handle of the jack 76 and tools are stored in a tool box provided on the traveling vehicle body 2.

In the medicine tank detaching device, the spray pump can be detached from the traveling vehicle body 2 together with the medicine tank 30, and is detached at the time of cult work.

Further, a rubber plate is attached to the stopper 77a of the extension guide 77 so as not to damage the medicine tank 30, and it can be used as an auxiliary step at the time of work.

A lift switch 79 for the hydraulic cylinder 74 is provided on the left side of the drug tank 30 by a flexible arm extending from the tank base.

If the boom receiver 80 is provided on the medicine tank 30 as an L-shaped receiver, it can be used as a handle when attaching and detaching.

FIG. 10 shows the side boom 40b that has been detached and can be carried by one operator.

The left and right side booms 40b are detached from the center boom 40a, and the outer guides 80a of the boom receiver 80 are fixed with knob bolts so that they can be pivoted outward and tilted to the side. A shift stopper 84 is provided on the lower surface of the side boom 40b with the boom receiver 80 sandwiched in front and rear.

Further, a freely rotating caster 81 is attached to the lower surface of the rear end of the side boom 40b, the front side of the side boom 40b is detached from the center boom 40a, and an operator lifts the caster 81 to move it to the ground. A stand 85 that can be opened and closed is provided except for the mounting surface of the caster 81. A U-shaped handle 83 serving as a guard for the wire 82 is provided on the inner surface of the side boom 40b, and the center boom 40a can be lifted and carried by the handle 83.

2 Traveling vehicle 6 Front wheel 7 Rear wheel 20 Cabin 30 Chemical tank 40 Control boom 50 Side guard 65a Lift switch 67 Mounting bracket 68 Cushion 80 Boom holder

Claims (3)

A cabin (20) on which an operator rides is provided in the front part of a traveling vehicle body (2) traveling with front wheels (6) and rear wheels (7), and a drug tank (30) is mounted in the rear part of the cabin (20). In a self-propelled control machine capable of switching between a control work posture in which a control boom (40) provided in the front part of the vehicle is extended to the left and right and a storage posture in which the left and right side portions of the traveling vehicle body (2) are raised backward and stored. ,
A side guard (50) is provided at a position on the rear side of the cabin (20) for restraining the movement of the control boom (40) toward the cabin (20),
The boom operation switch box (65) is provided with an elevating switch (65a) for elevating the control boom (40),
A mounting bracket (67) is provided below the side guard (50),
The boom operation switch box (65) is provided on the mounting bracket (67),
The outer surface of the mounting bracket (67) is flush with the outer surface of the side guard (50),
A cushioning material (68) is provided on the outer surface of the mounting bracket (67),
The position of the boom operation switch box (65) is lower than the position of the control boom (40) in the storage posture . The control boom (40) includes a center boom (40a) provided on the front side of the traveling vehicle body (2) and side booms (40b) on both sides,
A caster (81) that rotates freely is attached to the lower surface of the rear end of the side boom (40b),
The side boom (40b) is configured to be detachable from the center boom (40a),
The self-propelled insect control machine according to claim 1, wherein the removed side boom (40b) is movable by grounding the caster (81). A drug tank removing device is provided below the drug tank (30) on the traveling vehicle body (2) side,
The medicine tank removing device is composed of a take-out guide bar (73L, 73R) which is rotated by a hydraulic cylinder (74).
By placing the medicine tank (30) on the ejection guide bar (73L, 73R) and operating the hydraulic cylinder (74) to rotate the ejection guide bar (73L, 73R) to be grounded, Self-propelled insect control machine according to claim 1 or 2, wherein the tank (30) can be separated from the traveling vehicle body (2).

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