JPH08196189A - Pest control machine - Google Patents

Abstract

PURPOSE: To provide a self-traveling control machine not causing spraying unevenness and capable of carrying out accurate spraying operation by providing calibrations set so as to correspond to space between trees on a positioning stopper provided on a nozzle table of a nozzle oscillating type control machine. CONSTITUTION: In this control machine having a spraying part N radially protrudedly provided with a nozzle 1 on a nozzle table and carrying out control operation by longitudinally and laterally oscillating the nozzle, calibrations set so as to correspond to the space between trees are inscribed on the upper surface of a positioning stopper 48 provided nearly parallel to the nozzle table, and the nozzle is inclined from its base and fixed at a position which coincides with the calibrations so as to enable uniform spraying of an agent in an orchard having a space between trees corresponding to the calibrations.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a nozzle mounting structure in a nozzle swing type self-propelled control machine mounted on a traveling vehicle for controlling fruit trees and the like.

[0002]

2. Description of the Related Art Conventionally, in order to carry out work for controlling fruit trees and the like while traveling, a nozzle base is arranged in a fan shape at a rear portion of a traveling vehicle, and nozzles are radially arranged at appropriate intervals in the nozzle base. A nozzle swinging type self-propelled control machine that sprays while swinging the nozzle base back and forth and left and right is known. This nozzle is provided with an angle adjusting section at the base, and the spraying direction and spraying distance of the medicine can be changed by changing the mounting angle of this nozzle. In other words, the planting interval of fruit trees cultivated in the field varies depending on the region and the type of fruit tree, and it is necessary to adjust the reach of the chemical sprayed from the nozzle in consideration of the interval and the height of the fruit trees. is there.

[0003]

However, in the conventional nozzle rocking type self-propelled control machine as described above, since the angle setting of each nozzle is performed by the experience and sight of the operator, the angle can be accurately determined. It is not possible to set, that is, the angle cannot be assigned so as to be evenly distributed in a plane perpendicular to the traveling direction in a plan view, and dispersion in the front-rear direction of the drug dispersion also occurs, and There has been a problem that the horizontal reach of the sprayed medicine varies due to the left and right swings, and there is a portion that is sprayed and a portion that is not sprayed depending on the position of the shelving work.

[0004]

The problems to be solved by the present invention are as described above. Next, the means for solving the problems will be described. That is, in a nozzle rocking type control machine in which nozzles are radially projected on a nozzle base arranged in a swingable fan shape, and the nozzles are rocked back and forth, left and right to perform a control work, the base of each nozzle is rotated. It is movable and can be fixed at any angle, along the front side or rear side of each nozzle,
A positioning stopper is provided substantially parallel to the nozzle base, and a tree scale corresponding setting scale is shown on the upper surface of the positioning stopper.

[0005]

[Operation] Next, the operation will be described. Before performing the chemical spraying work, the distance between the trees in the field where the spraying work is performed is confirmed, and the distance between the trees and the tree-to-tree setting scale written on the positioning stopper are set. Check if the nozzles are aligned and fixed at the distance between trees.If they do not match, loosen the base of each nozzle and then rotate the nozzles along the positioning stopper to Align and fix the trees displayed on the scale. In this way, the discharges from the nozzles are distributed substantially evenly, reach both ends reliably, and the control can be carried out without uneven spraying.

[0006]

EXAMPLES Next, examples will be described. 1 is an overall side view of the self-propelled control machine, and FIG. 2 is an overall plan view of the same.
FIG. 4 is a front perspective view of the self-propelled insect control machine, FIG. 4 is an overall rear view showing the spraying section of the nozzle swing type insect control machine of the present invention in which a positioning stopper is arranged, and FIG. A side view, FIG. 6 is a rear perspective view of a positioning stopper, FIG. 7 is a plan development view showing a tree-to-tree correspondence setting scale, and FIG. 8 shows a nozzle state in which an angle is set according to the tree-to-tree correspondence setting mark. FIG. 9 is a rear perspective view showing the nozzle, and FIG. 9 is a side sectional view of the nozzle.

In the self-propelled control machine of this embodiment, as shown in FIGS. 1, 2 and 3, a step 37 is provided on the front part of the chassis 32, and a seat 35 is provided on the center of the rear part thereof. An operation column 36 is provided upright at the center of the front end of the step 37, and a handle 36a is provided above the operation column 36. Further, a spray operation panel 39 is arranged on the left side of the seat 35 so that the start / stop of spraying and the discharge amount can be adjusted.

A front axle case 42F is provided at the lower front portion of the chassis 32, and a rear axle case 42R is provided at the lower rear portion of the chassis 32.
And front wheels 3 on both sides of the front axle case 42F.
3a and 33a are pivotally supported, and rear wheels 33b and 33b are supported on both sides of the rear axle case 42R to support the wheel type traveling device 3
3 is formed. An engine E is mounted on the rear portion of the chassis 32, and the power from the engine E is transmitted to the mission case M via a main clutch and a universal joint suspended under the engine E, and the mission case M is transmitted. Inside, power is transmitted to the front axle case 42F and the rear axle case 42R, and the front wheels 33a
-It is configured to drive the four wheels 33a and the rear wheels 33b and 33b.

Then, as shown in FIG.
Left and right tire houses 46L and 46R that cover the front wheels 33a and 33a are provided on both sides of the seat, and the seat position can be lowered as compared with the conventional case where a seat is provided above the tire house. Therefore, the vehicle height can be reduced, and the shelving work can be easily controlled. Further, the material of the tire house 46 is formed of synthetic resin, for example, FRP, and can be formed at a lower cost than that conventionally formed by bending an iron plate with a press or the like, and it is easy to form on a curved surface and has no protrusions so that getting on and off is easy. Furthermore, it becomes possible to prevent corrosion from rain, chemicals and mud from below.

Next, the spraying machine B will be described. The spraying work machine B is arranged on the chassis 32 in this order from the front with a drug tank 38, an engine E, a power sprayer D, a hydraulic pump P for extending and retracting a steering cylinder (not shown), and a nozzle 1. A lid 30 is provided at the upper center of the medicine tank 38 to supplement the medicine. Further, a roof 31 that is detachable from the machine body is disposed between the upper front portion of the medicine tank 38 and the roof mounting frame 34 in the front portion of the seat 35. Then, as shown in FIG. 2, a recess 38a having a concave shape in a plan view is provided in the front portion of the medicine tank 38, and a rear portion 35a of the seat 35 is disposed in the recess 38a.
With this configuration, the overall length L of the machine body can be shortened, and the maneuverability of the machine body such as turning performance can be improved.

The front wheel 33a at the bottom of the medicine tank 38
Between the rear wheel 33b and the rear wheel 33b, the hose 45 connected to the power sprayer D is wound, and the hose reel 44 for hand spraying is wound.
Is rotatably arranged so that the hose 45 can be pulled out to a desired position for hand spraying. The power sprayer D, the engine E, and the hydraulic pump P are placed on the rear side of the medicine tank 38 in the left-right direction and are covered by the engine cover 41, and the nozzle 1 base is covered by the cover 4.
Also covered by 3. Also, the engine E
Drives the wheel type traveling device 33 via the mission case M, and at the same time drives the power sprayer D, sucks the chemical liquid from the drug tank 38 by the power sprayer D, and swings the spray portion N. It is configured to spray from possible nozzles 1 ...

Next, the nozzle swing mechanism will be described.
As shown in FIGS. 4 and 5, the spray section N is composed of spray sections N1, N2, N3 divided into three parts, and the nozzle bases 2, 2, ... Are arranged in an arc shape in a front view, The nozzles 1, 1, ... Are erected vertically at predetermined intervals on the upper surface of the arc portion of the nozzle bases 2, 2, ... And arranged in a fan shape in a front view. Then, the motor 18 is driven and the drive shaft 24
When the eccentric shaft 23 is rotated via, the one end portion of the link plate 15 pivotally supported by the eccentric shaft 23 makes a circular motion in a front view, the other end portion swings to the left and right, and the link plate 15 pivots to the middle portion. The lower end of the supported joint 16 is configured to make a circular or elliptical motion in a front view.

A rotation support base 14 is erected at the center of the front side of the nozzle set base 20, and a left / right rotation stay 5 is axially supported on the rotation support base 14 via a left / right rotation shaft 7. The nozzle support frame 10 is fixedly mounted on the rotating stay 5, and the link plate 15 swings left and right, so that the nozzle supporting frame 10 is substantially trapezoidal in a front view with the left and right rotating shafts 7 as fulcrums.
Is rocked to the left and right. And the nozzle support frame 1
0, a pedestal 13 mounted and fixed to the nozzle base 0, a nozzle rotation shaft 11 rotatably mounted on the tip of the pedestal 13, and a nozzle rotation fixed to the nozzle base 2 by pivotally supporting the nozzle rotation shaft 11. The nozzles 1, 1, ... Of the spray portion N are configured to swing left and right via the moving stay 9.

The upper end of the joint 16 is pivotally connected to the connecting plate 17, and the base of the connecting plate 17 is the front-rear rotating shaft 8.
Both sides of the front-rear rotation shaft 8 are fixed to the both sides of the front-rear rotation shaft 8 by being erected on both sides of the front-rear rotation shaft 8 on the rotation support frames 12 and 12 standing upright at the rear left and right positions of the nozzle set base 20. A substantially trapezoidal rocking link 3 is fixedly installed, and the rocking link 3 is slidably inserted into nozzle links 4 and 4 projecting downward from the nozzle base 2. Therefore, when the lower end of the joint 16 moves in a circular or elliptical manner, the joint 16 moves up and down, the front-rear rotation shaft 8 is rotated through the connecting plate 17, and the swing link 3 is swung back and forth. The nozzles 1, 1, ... Of the spray unit N are configured to swing back and forth with the nozzle rotating shaft 11 as a fulcrum.

Therefore, by the horizontal swing of the nozzle support frame 10 and the forward / backward swing of the swing link 3, the combined swings of the nozzles 1 ... With such a configuration, since the medicine is not concentrated and sprayed in one direction, it is possible to reduce unevenness in spraying and enhance the performance of the medicine to adhere to the fruit tree.

Next, in the present invention, as shown in FIGS. 4 and 5, stopper mounting arms 47, 47 project from the rear surface (or front surface) of each of the nozzle bases 2, 2, 2 upward in the radial direction. The stopper mounting arm 47, 47
A positioning stopper 48 is fixed to the upper end portion of the with locking bolts 47a and 47a so as to be substantially parallel to the nozzle base 2. The positioning stopper 48 is shown in FIG.
As shown in FIG. 7, an inter-tree correspondence setting scale 48a is written on the upper surface, and when tilted at the base of the nozzle 1 to be described later and fixed at a position corresponding to the scale, in the orchard between trees of the scale. I am trying to spread it evenly.

As shown in FIG. 9, each of the nozzles 1 ... has a base portion 1a formed in a spherical joint.
When the cap 1b is loosened, the nozzles 1 ... Can be tilted freely in the front-rear direction and the left-right direction within a range of a fixed angle rotation angle θ (30 ° in this embodiment) with the base 1a as a fulcrum. When is tightened, it can be fixed at any position. Therefore, before spraying work, each nozzle 1
· Loosen the caps 1b, 1b, ...
As shown in FIG. 4, the nozzles 1 ... 1 are brought into contact with the positioning stopper 48, and the nozzles are aligned with the scales between the trees of the setting scale 48a from the space between the trees in the field to be sprayed. If the caps 1b, 1b, ... are tightened and fixed after positioning 1.1., The drug discharged from the nozzle 1 at a predetermined spray pressure is approximately even on the shelving within the width of the tree. Will be sprayed on.

[0018]

Since the present invention is constructed as described above, it has the following effects. That is, the nozzle base 2.2
.. Since the positioning stopper 48 provided in the .. is provided with the tree-to-tree setting scale 48a, the nozzles 1 ..... are set to correspond to the trees in the field to be sprayed before the spraying work. When the control work is carried out simply by fixing it according to the tree-to-tree display position of 48a, the chemicals will surely reach both ends of the tree, and it will be possible to spread it evenly in the range between the trees. It is possible to prevent unevenness, and the spraying work can be performed more accurately than before.

Further, since each nozzle is rotated and fixed along the positioning stopper 48, there is no positional deviation in the front-rear direction, and the nozzles can be fixed accurately according to the scale. Further, even if the distance between trees is not displayed on the scale, or even if fine adjustment is performed for more accurate spraying, it is easy to register and change easily.

[Brief description of drawings]

FIG. 1 is an overall side view of a self-propelled control machine.

FIG. 2 is likewise an overall plan view.

FIG. 3 is a front perspective view of the self-propelled control machine.

FIG. 4 is an overall rear view showing the spray section of the nozzle rocking type insect control machine in which the positioning stopper is provided according to the present invention.

FIG. 5 is likewise an overall side view.

FIG. 6 is a rear perspective view of a positioning stopper.

FIG. 7 is a plane development view showing a tree scale correspondence setting scale.

FIG. 8 is a rear perspective view showing a state of the nozzle whose angle is set according to the tree-to-tree correspondence setting mark.

FIG. 9 is a partial cross-sectional view of a side view of the nozzle.

[Explanation of symbols]

 D Power sprayer 1 Nozzle 1a Nozzle base 1b Cap 1c Nozzle midway 2 Nozzle stand 38 Drug tank 38a Drug tank front 46L Left tire house 46R Right tire house 47 Stopper locking arm 48 Positioning stopper 48a Tree-scale setting scale

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Susumu Yamamoto New Delta Industry Co., Ltd. 767 Umena, Mishima City, Shizuoka Prefecture

Claims (1)

[Claims] 1. A nozzle rocking type insect control machine, wherein nozzles are radially projected on a nozzle base arranged in a swingable fan shape, and the nozzles are rocked forward, backward, leftward, and rightward to carry out control work. The base is configured to be rotatable and can be fixed at an arbitrary angle, and a positioning stopper is provided along the front side or the rear side of each nozzle substantially parallel to the nozzle base, and a tree scale corresponding setting scale is provided on the upper surface of the positioning stopper. A self-propelled pest control machine characterized by the notation.