JP2018068188A - Self-propelled pest control machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a self-propelled pest control machine enabling a boarding boom operation switch lifting a pest control boom to be safely and easily operated when a worker boards a travel vehicle body.SOLUTION: A cabin 20 a worker boards is arranged in a front part of a travel vehicle body 2 travelling with front wheels 6 and rear wheels 7 and a chemical tank 30 is mounted in a rear part. A pest control boom 40 arranged in a front part of the cabin 20 comprises a center boom 40a and side booms 40b, 40b arranged in the right/left of the center boom so as to rotate inward/outward and stand/lie. A self-propelled pest control machine can be switched between a pest control work posture extending the side booms 40b, 40b to the right/left and a storage posture having the side booms along right/left side parts of the cabin 20 so as to be higher toward backward. Boom side guards 50 receiving the side booms 40b, 40b rotating inward are arranged in side parts of the cabin 20. A lifting/lowering switch attachment frame storing a boom operation switch box 65 is attached in a lower side of the boom side guard 50, the boom operation switch box operating the side booms 40b, 40b to be lifted/lowered.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a self-propelled control machine for spraying chemicals such as agricultural chemicals on crops in a field.

  The self-propelled control machine, as described in the following Patent Document 1, travels in the field with the control boom having a large number of spray nozzles extended to the left and right sides of the traveling vehicle body, and performs spraying work. When traveling on the road, the left and right control booms are folded and supported along the longitudinal direction of the traveling vehicle body.

JP 2014-213294 A

  When an operator gets on the cockpit at the left and right center of the traveling vehicle body, the operator standing on the side of the traveling vehicle body extends the hand from the outside of the control boom and operates the boarding / alighting switch provided on the side of the driver's seat. However, there is a problem that care must be taken so that the operator's hand extended to the getting-on / off switch is not caught by the rising control boom.

  In view of the above-described problems of conventional self-propelled control machines, an object of the present invention is to make it easy to safely operate a boom operation switch for getting on and off to raise a control boom when an operator gets on a traveling vehicle body. It is to provide a type control machine.

  The above conventional problem is solved by the following technical means.

  In the first aspect of the present invention, a cabin 20 on which an operator gets on the front of the traveling vehicle body 2 traveling on the front wheels 6 and the rear wheels 7 is provided, and a drug tank 30 is mounted on the rear, and the cabin 20 is mounted on the front. The control boom 40 to be provided is composed of a center boom 40a and side booms 40b and 40b provided on the left and right sides thereof so as to be able to rotate and fold up and down, and the side booms 40b and 40b are extended to the left and right and on the left and right sides of the cabin 20. In the self-propelled control machine capable of switching to a stowed posture in a rear-up position, a boom side guard 50 that receives side booms 40b and 40b that rotate inward is provided on the side of the cabin 20, and the boom side A lifting switch mounting frame 67 that houses a boom operation switch box 65 for lifting and lowering the side booms 40b and 40b is attached to the lower part of the guard 50. And self-propelled control machine for.

  According to the second aspect of the present invention, the intermediate mounting plate 82 is attached to the lower frame 50b of the boom side guard 50 by appropriately separating the mounting bolts 85 and 86, and the lifting switch mounting frame 67 is attached to the intermediate mounting plate 82. The self-propelled control machine according to claim 1, wherein the self-propelled control machine is attached.

  The invention according to claim 3 is characterized in that the outer surface 67La of the lifting switch mounting frame 67 is located on the inner side of the traveling vehicle body 2 with respect to the outer surface 50a of the boom side guard 50. A type control machine.

  The invention according to claim 4 is characterized in that the outer surface 67La of the lifting switch mounting frame 67 is located inside the traveling vehicle body 2 from the inner rotation limit of the side boom 40b. A machine.

  In the invention according to claim 1, in order for an operator to get into the cabin 20, the side booms 40 b and 40 b are raised by operating the elevating switch 65 a while standing on the side of the traveling vehicle body 2. The operation switch box 65 is operated from the lower side of the side booms 40b, 40b, and the side booms 40b, 40b are lifted away from the operator, which is safe.

  In the invention according to claim 2, in addition to the effect of claim 1, even if the side boom 40b bends and jumps up from below the boom side guard 50, it hits the intermediate mounting plate 82. The lower frame 50b of the part guard 50 is not damaged and can be repaired at low cost by replacing the intermediate mounting plate 82.

  In the invention according to claim 3, in addition to the effect of claim 2, even if the side boom 40b bends and the tip of the side boom 40b enters inside the outer surface 50a of the boom side guard 50, the lifting switch mounting frame 67 The outer surface 67La is not hit.

  According to the fourth aspect of the invention, in addition to the effect of the third aspect, the tip of the side boom 40b is reliably prevented from hitting the outer side surface 67La of the lift switch mounting frame 67.

It is a right 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 rear. It is a top view of the self-propelled control machine which made the cabin a cross section. It is the top view which looked at the self-propelled control machine in control work from the sky. It is an upper right part perspective view of a cabin. It is a front view of a boom operation switch box. It is a rear view of an operation switch box attachment part. It is a left view of a raising / lowering switch attachment frame. It is a rear view of the operation switch box attachment part of a 1st another Example. It is a rear view of the operation switch box attachment part of a 2nd another Example. It is a right view of the operation switch box attachment part of a 3rd another Example. It is the perspective view which looked at the attachment state of a medicine tank from the right rear.

  DESCRIPTION OF EMBODIMENTS Embodiments (embodiments) for carrying out the present invention will be described in detail with reference to the drawings.

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

  In the present embodiment, the traveling direction of the self-propelled control machine 1 is a direction along the front-rear direction of the traveling vehicle body 2, and when the self-propelled control machine 1 travels straight from the driver seat 4 (see FIG. 4) to the front surface. The direction is toward the glass GF. Further, the vehicle width direction or the left-right direction of the traveling vehicle body 2 is a direction that is horizontally orthogonal to the traveling direction. The vertical 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 seat 4, a steering handle 5, front wheels 6, and rear wheels 7. The main frame 3 is formed to extend before and after the traveling vehicle body 2. The driver's seat 4 is a seat for the operator to sit 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 the medicine is disposed.

  The steering handle 5 erected in front of the driver's seat 4 changes the traveling direction of the self-propelled pest control machine 1 by steering at least the left and right front wheels 6 and 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 a turning operation of the steering handle 5.

  The front wheels 6 and the rear wheels 7 are appropriately shifted in the transmission case (not shown) by the engine power in the bonnet BN, and the shifted power is transmitted to rotate.

  The cabin 20 forms a passenger compartment by surrounding the driver's seat 4 and peripheral devices, a steering handle, and the like. The cabin 20 is disposed between the medicine tank 30 and the control boom 40. The cabin 20 includes a cabin frame 21 (first front frame 21a, fourth frame 21b, upper frame 21c, etc.), a cabin roof 22, left and right open / close doors 25L, 25R, and the like.

  The cabin frame 21 is disposed on both the left and right sides of the front portion of the cabin 20 in the vehicle width direction, and the left and right first front frames 21a and 21a standing on the main frame 3, and the left and right first front frames 21a and 21a. Left and right second frames 21d, 21d and left and right second frames 21d, 21d, and left and right third frames 21e, 21e. Furthermore, left and right fourth frames 21b and 21b that are not erected on the main frame 3 are formed behind the left and right third frames 21e and 21e, and the left and right first front frames 21a and 21a It consists of two frames 21d and 21d, left and right third frames 21e and 21e, and an upper frame 21c that connects the upper portions of the left and right fourth frames 21b and 21b.

  The lower left and right fourth frames 21b and 21b and the middle of the left and right third frames 21e and 21e are connected by left and right fifth frames 21f and 21f. An intermediate portion of the left and right first front frames 21a, 21a is connected by a front connection frame 21g. Slightly above the lower ends of the left and right fourth frames 21b, 21b are connected by a rear connecting frame 21h.

  A front glass GF is attached between the front connection frame 21g and the upper frame 21c, and a lower front glass GFu is attached below the front connection frame 21g. A rear glass 57 is provided between the rear connecting frame 21h and the upper frame 21c, and the rear glass 57 is configured to be openable and closable outward with the upper side as a fulcrum.

  In addition, a left first glass LG1 is attached between the left first front frame 21a and the left second frame 21d, and between the left third frame 21e and the left fourth frame 21b, The left second glass LG2 is attached, and the right first glass RG1 is attached between the right first front frame 21a and the right second frame 21d, and the right third frame 21e and the right second frame 21d are attached. A condenser (not shown) that cools and liquefies the air-conditioning refrigerant is attached between the four frames 21b.

  In addition, it is preferable to provide a water injection nozzle and a wiper 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. It is preferable that the injection nozzles and wipers provided on the left and right can be used simultaneously or alternately, or only the necessary side can be used.

  As shown in FIG. 2, left and right work lights WR1 and WR2 are provided at the front upper portion of the cabin 20. Further, left and right headlamps BFL and BFR are provided at the front portion of the bonnet BN. The left and right work lights WR1 and WR2 are configured to be interlocked with the left and right headlamps BFL and BFR. That is, the left and right headlamps BFL and BFR are turned off when the left and right work lights WR1 and WR2 are turned on. Thereby, since it does not light simultaneously, charging / discharging performance can be ensured and the battery can be prevented from running out.

  The drug tank 30 is a container that stores a drug solution sprayed from the boom 40. As shown in FIG. 1, the medicine tank 30 is disposed on the rear side of the cabin 20. As shown in FIG. 4 in plan view, the medicine tank 30 is formed in a U shape so as to surround both the left and right sides and the rear side of the driver seat 4 and is detachably mounted on the main frame 3. The drug solution is a liquid substance such as a liquid obtained by dissolving fertilizers, agricultural chemicals or the like in a solvent (for example, water), and a liquid (for example, water) containing solids such as fertilizers or agricultural chemicals.

  As shown in FIG. 5, the control boom 40 spreads the medicine widely 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 includes a center boom 40a and side booms 40b and 40b on both sides.

  The center boom 40 a is disposed on the front side of the self-propelled pest control machine 1 and extends horizontally in the vehicle width direction of the traveling vehicle body 2. The center boom 40a is provided with a plurality of nozzles 41a for injecting medicine in a mist form at intervals.

  The side boom 40b is attached to the left and right sides of the center boom 40a so as to be able to switch between a spreading 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 boom receivers 80 (FIG. 1) disposed on the left and right sides of the rear side of the traveling vehicle body 2 in a posture inclined rearward and upward in a side view when stored. In the side boom 40b, a plurality of nozzles 41b for spraying the medicine in a mist form are arranged at intervals.

  As shown in FIG. 2, the air conditioner main body 100 that generates cooling air by the air conditioner is disposed on the ceiling of the cabin 20, and is covered with a cabin roof 22 that covers the upper portion of the cabin 20. Thereby, the air-conditioner main body 100 can be protected from the scattered chemicals at the time of control. Further, as shown in FIG. 1, the outside air introduction unit 110 of the air conditioner is configured to be provided downward in the left and right center of the rear portion of the cabin roof 22. Thereby, it becomes possible to introduce outside air from the rear part where the chemical solution scatters away from the control boom 40.

  A left side rearview mirror 35L that can monitor the rear of the machine body via a left support plate 36L is attached to the left front projecting arm 27L.

  As shown in FIG. 6, boom side guards 50 that project to the side are provided on the left and right fourth frames 21 b that constitute the cabin frame 21 of the cabin 20. The boom side guard 50 is configured to be rotatable, and can be fixed so that the outer surface of the side guard 50 faces sideward during work. A shock absorber 51 such as a rubber plate is attached to the outer surface of the boom side guard 50 with a bolt 51a, and the side boom 40b is bent or overrun when the side boom 40b is raised or lowered, and the cabin is received. It does not hit the frame 21 directly. The bolt 51 a prevents the head from protruding from the cushioning material 51.

  A lift switch mounting frame 67 is directly attached to the lower frame 50b of the boom side guard 50 with bolts and nuts 50c. The boom operation switch box 65 is attached to the left and right frames 67L and 67R opened downward by the lift switch mounting frame 67 with bolts 92 and 93.

  Next, the mounting configuration of FIG. 8 will be described.

  An intermediate mounting plate 82 is mounted on the lower frame 50b of the boom side guard 50 with two mounting bolts 85 and 86 and collars 87 and 88 separated downward, and the lifting switch mounting frame 67 is attached to the intermediate mounting plate 82 on one side. Attachment bolts 86 and individual bolts 91 are used for attachment. The lift switch mounting frame 67 is mounted with bolts 92 and 93 with the boom operation switch box 65 sandwiched between left and right frames 67L and 67R opened downward.

  The outer surface 67La of the lifting switch mounting frame 67 is positioned inside the traveling vehicle body 2 relative to the outer surface 50a of the boom side guard 50, so that the side boom 40b enters inside the outer surface 50a of the boom side guard 50. The lift switch mounting frame 67 is prevented from hitting even if it is lifted. However, at that time, even if the side boom 40b hits the intermediate mounting plate 82, the intermediate side mounting plate 82 and the mounting bolts 85, 86 may be replaced without damaging the boom side guard 50.

  The left and right frames 67L and 67R of the lift switch mounting frame 67 are formed with elongated holes 67Lb through which the bolts 92 and 93 are passed, so that the mounting height of the boom operation switch box 65 can be adjusted. Further, a viewing window 67Lc is provided in the left frame 67L so that the lift switch 65a and the open / close switch 65b of the boom operation switch box 65 can be seen from the side of the machine body.

  In the embodiment of the mounting configuration shown in FIG. 10, the boom side guard 50 is obtained by fixing the intermediate mounting plate 82 with the fixing nuts 88 and 89 without using the collars 87 and 88 with the mounting bolts 85 and 86 as full screws. The distance between the lower frame 50b and the intermediate mounting plate 82 can be changed, and the height of the boom operation switch box 65 can be adjusted.

  In the embodiment of the mounting configuration shown in FIG. 11, the intermediate mounting plate 82 is mounted on the lower frame 50b with a single mounting bolt 86 and collar 88, so that the operation surface of the boom operation switch box 65 passes from the front to the side. It can be turned to the back.

  Wiring to the operation switch box 65 is routed along the boom side guard 50, and a transparent switch cover is hung on the front side of the boom operation switch box 65 of the lifting switch mounting frame 67 so that the operator's clothes and A hat or the like is prevented from touching the up / down switch 65a or the open / close switch 65b.

  As shown in FIG. 7, the operation switch box 65 is provided with an elevation switch 65a and an opening / closing switch 65b arranged side by side on the switch operation surface 65f, and when the elevation switch 65a is tilted up and down, the side boom 40b moves up and down. Then, it is only lifted, and when the open / close switch 65b is tilted to the left and right, it rotates to the left and right, but at the storage position, it rotates only in the direction away from the cabin 20.

  The lift switch mounting frame 67 is usually fixed at a position higher than the operator's head so that the switch operation surface 65f of the operation switch box 65 faces rearward, and is mounted slightly below the side boom 40b in the storage position. When the operator gets into the cabin 20 from step 66L, the left side boom 40b is raised so as not to get in the way, so there is no risk of the side boom 40b hitting the arm extended by the operator.

  The up / down switch 65a and the open / close switch 65b may be moved up / down and opened / closed by a single cross joystick switch.

  In the embodiment of the mounting configuration shown in FIG. 12, the lifting switch mounting frame 67 is directly mounted on the lower frame 50 b of the boom side guard 50. The boom operation switch box 65 tilts rearward and downward so that the side surfaces of the lift switch mounting frame 67 are inflated forward and the tips of the lift switch 65a and the open / close switch 65b do not protrude from the rear end of the lift switch mounting frame 67. However, it does not get caught in the clothes of the operator, and a viewing window 67a is provided at the rear. The lifting switch mounting frame 67 may be formed of a transparent resin.

  Moreover, when the boom operation switch boxes 65 are provided on the left and right sides of the cabin 20, it is easy to get into the cabin 20 from either the left or right side. Since the cabin 20 is normally boarded and exited from the left side, the boom operation switch box 65 is provided on the left side of the cabin 20, but the boom operation switch box 65 may be provided on the right side of the cabin 20 according to market demand.

  Note that the operation switch box 65 may be controlled by a remote control operating tool that is manually operated by an operator.

  A blinker lamp 52 for night work is attached to the upper surface of the boom side guard 50. A handle may be provided below the boom side guard 50 so that it can be used when getting on and off.

  In addition, a camera that reflects the lower rear side may be attached to the boom side guard 50 so that the state of the rear wheel 7 can be monitored by a monitor in the cabin 20.

  FIG. 13 shows the loading operation of the drug tank 30 onto the traveling vehicle body 2, and round pipe front support legs 94, 95 that are erected and urged by a torque spring 98 are provided on the front and left of the bottom of the drug tank 30. A rear support leg 96 that undulates is provided, a fixed wheel 97 that moves back and forth is provided on the front support legs 94 and 95, and a free wheel 102 that is freely movable is provided on the rear support leg 96. The pivots of the front support legs 94 and 95 and the rear support leg 96 are located inside the bottom surface of the drug tank 30, no protrusions are provided on the front side of the drug tank 30, and hook-type handles 99 are provided on the left and right sides of the rear wall. The hose of the jet pump.

  The tank platform 104 on the traveling vehicle body 2 side is provided with guide grooves 101, 102, 103 in which the front support legs 94, 95 and the rear support legs 96 are fitted, and the convex part at the lower part of the medicine tank 30 is formed in the guide groove 101. , 102, and 103, when the drug tank 30 is pushed into the tank platform 104 from the rear side, the left and right front support legs 94 and 95 are first bent while fitting into the guide grooves 101 and 103, and then the rear support leg 96 is moved to the operator. When the medicine tank 30 is slid forward on the hand and fitted in the guide groove 102 and the medicine tank 30 is slid and placed on the tank platform 104, the medicine tank 30 is placed in the normal position without being laterally displaced. Thereafter, the drug tank is fixed to the tank platform 104 (bolts or the like). When the medicine tank 30 is lowered, the medicine tank 30 and the tank platform 104 are unfixed, the left and right handles 99 are pulled out about halfway, and the operator supports the rear support leg 96 by the hand. When standing and pulling further backward, the left and right front support legs 94 and 95 are pivoted up and supported by the action of the torque spring 98, so that the worker can separate the drug tank 30 from the traveling vehicle body 2 alone. .

  The front support legs 94 and 95 and the rear support leg 96 may be fixed with an extendable spring pin so that the support height can be adjusted.

  The tank platform 104 is preferably provided with receiving holes for the fixed wheels 97 and the free wheels 102 so as to be used for fixing the medicine tank 30.

2 traveling vehicle body 6 front wheel 7 rear wheel 20 cabin 30 chemical tank 40 control boom 40a center boom 40b side boom 50 boom side guard 50a outer surface 65 operation switch box 67 lift switch mounting frame 67La outer surface 82 intermediate mounting plates 85, 86 mounting bolt

Claims (4)

A cabin (20) on which an operator rides is provided at the front portion of the traveling vehicle body (2) traveling on the front wheels (6) and the rear wheels (7), and a medicine tank (30) is mounted on the rear portion, and the cabin (20) The control boom (40) provided at the front of the center boom is composed of a center boom (40a) and side booms (40b, 40b) provided on the left and right sides thereof so as to be able to rotate inside and outside and up and down. The side booms (40b, 40b) are In the self-propelled control machine capable of switching between the extended control work posture and the storage posture along the rear left and right sides of the cabin (20),
A boom side guard (50) for receiving the side booms (40b, 40b) rotating inward is provided on the side of the cabin (20), and the side boom (40b) is provided below the boom side guard (50). , 40b) A self-propelled pest control machine having a lifting switch mounting frame (67) housing a boom operation switch box (65) for lifting and lowering.   An intermediate mounting plate (82) is attached to the lower frame (50b) of the boom side guard (50) by appropriately separating the mounting bolts (85, 86), and the lift switch mounting frame (67) is attached to the intermediate mounting plate (82). The self-propelled pest control machine according to claim 1, wherein the self-propelled control machine is attached.   The outer surface (67La) of the lift switch mounting frame (67) is located inside the traveling vehicle body (2) with respect to the outer surface (50a) of the boom side guard (50). The described self-propelled control machine. Self-propelled according to claim 3, characterized in that the outer surface (67La) of the lifting switch mounting frame (67) is located inside the traveling vehicle body (2) from the inner rotation limit of the side boom (40b). Type control machine.

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