JP2518523Y2 - Chemical sprayer - Google Patents

Description

[Detailed Description of the Invention] (a) Field of Industrial Application The present invention relates to a chemical sprayer mounted on a rice transplanter and spraying a chemical such as a herbicide.

(B) Conventional Technology The technology relating to a chemical spraying machine mounted on a rice transplanter and spraying a herbicide has been filed by the same applicant as Japanese Patent Application No. 1-103744.

(C) Problems to be solved by the device However, the conventional chemical spraying machine has a drawback that the herbicide cannot be uniformly sprayed over the front surface of the planting width of the rice transplanter.

The present invention is configured such that the herbicide is uniformly dispersed over the entire width of the planting width by the spray width control cover and the partition plate and the inclined guide plate provided inside the spray width control cover.

(D) Means for Solving the Problems The problems to be solved by the present invention are as described above. Next, means for solving the problems will be described.

In claim (1), a medicine hopper and a medicine feeding device are vertically overlapped with each other in the center, and a horizontally long spreading width control cover up to the medicine spreading width is arranged below the medicine feeding device, and the spreading is performed. The width-regulating cover covers the upper surface and opens the lower surface, and at the center of the spray-width restricting cover, a rotary scattering blade that scatters the medicine from the medicine feeding device is arranged. An inclined guide plate is arranged at a position, and the inclined guide plate has its upper part pivotally supported at the front corner and the rear corner in the spray width regulation cover, and is placed downwards with respect to the direction in which the rotary scattering blades rotate. The front and back spaces inside the spraying width regulation cover are divided into an upper space and a lower space by projecting them, retreating them upward, and arranging them in a direction opposite to the direction in which they receive the chemicals scattered by the rotary splashing blades. .

According to claim (2), in the medicine spraying device according to claim (1), a partition plate is arranged so as to project in the front-rear direction in the upper space arranged on the left and right, and the inclined guide plate and the partition plate can be rotated. It is pivotally supported and the tip can be rotated for fine adjustment.

(E) Embodiment The problems to be solved and the means for solving the present invention are as described above. Next, the structure of the embodiment shown in the accompanying drawings will be described.

FIG. 1 is a side view of a structure in which a side-row fertilizer applicator is attached to the rear part of the rice transplanter, and the chemical spraying device of the present invention is attached to the rear part thereof,
FIG. 2 is a perspective view of the medicine spraying machine of the present invention, FIG. 3 is a perspective view showing the arrangement of partition plates and inclined guide plates 3 and 4 inside the spraying width regulating cover, and FIG. 4 is a plan sectional view of the same. Figure 5 is the fourth
FIG. 6 is a sectional view taken along the line XX in the figure, and FIG. 6 is a sectional view taken along the line YY in FIG.

 The overall configuration will be described with reference to FIG.

Power is transmitted from the traveling vehicle side to the planting claw drive case 38 of the rice transplanter to drive the rotary case 29. Planting claws 30, 30 are rotatably attached to the upper and lower ends of the rotary case 29.

The float 32 is rotatably supported below the planting claw drive case 38, and the fertilizer fed by the side-row fertilizer applicator falls to the drop port 35. The drop port 35 is fixed to the float 32.

The side-row fertilizer applicator is installed in the lower part of the fertilizer hopper 23, and the feeding case 34
Is attached, and a line stopper case 24 is attached to the upper part of the feeding case 34, and the line stopper lever is attached to the line stopper case 24.
36 are attached.

The feeding shaft 33 of the feeding case 34 is provided with a feeding arm 33, and the feeding arm 33 is provided with a side row fertilizer drive 7 hm of a planting claw driving case 38 via a link 25, a counter arm 26 and a link 27. Are linked to.

The driving force of the side-row fertilizer drive arm 28 is used not only for driving the feeding shaft 39 of the side-row fertilizer applicator, but also for driving the chemical spreader of the present invention.

That is, the link 21 is taken out of the counter arm 26 and the rotary arm 20 is rotated.

A medicine adjusting screw 22 is attached to the rotating arm 20, and the link 21 is rotated by rotating the medicine adjusting screw 22.
The pivotal connection point between the rotation arm 20 and the rotation arm 20 changes, and the amount of medicine sprayed is changed.

The rotation arm 20 drives the medicine feeding shaft 19 via the one-way clutch 40. Since the rotation arm 20 performs a rotation operation, the rotation is changed to intermittent rotation by the one-way clutch 40 and the medicine feeding shaft 19 is driven.

The dispensing tray is rotated inside the medicine dispensing device 18 by the medicine dispensing shaft 19 to dispense a fixed amount of the medicine, and the rotating scattering blades 2 scatter the medicine to the left and right.

As shown in FIG. 2, the counter arm 26, the link 21, the rotating arm 20, and the medicine feeding shaft 19 are provided in two sets symmetrically, and the left and right medicine spraying machines can be driven by half each. I am trying. Therefore, it is possible to stop the drive unit and the feeding case 34 by half and perform the line stop.

Further, a shutter lever 50 is provided on the side of the medicine feeding device 18 so as to project from the medicine hopper 9.
By closing the hole of the portion that falls to the right with the shutter lever 50, it is possible to stop the scattering of either the left or the right.

The chemical sprayer of the present invention is a side-row fertilizer applicator with a nail drive case
A chemical sprayer frame 42 is projected and supported by a support frame 41 supported by 38.

Next, the configuration of the chemical spraying machine will be described with reference to FIGS. 1 and 2.

As shown in a side view of FIG. 1, the medicine spraying machine has a medicine hopper 9 placed on the upper end thereof, a medicine feeding device 18 arranged below the medicine hopper 9, and a spraying width regulation under the medicine feeding device 18. The cover 1 is arranged to have a three-stage structure.

On the left and right sides of the spraying width regulation cover 1, handle handles 16 and 17 for carrying and mounting the chemical spraying machine are arranged.

The medicine spraying machine of the present invention scatters the medicines stored in the medicine hopper 9 in the center by the medicine feeding device 18 to the left and right, and in this direction, the spray width regulation cover 1, the partition plate 10, the inclined guide plate 3,
It is regulated by 4 and evenly distributed within the planting width.

The spraying direction restricting device will be described with reference to FIGS. 3, 4, 5, and 6.

The spraying width regulating cover 1 has a box-like shape whose upper surface is closed and whose lower part is opened, and a rotary scattering blade 2 is provided below the medicine hopper 9 and the medicine feeding device 18 at the center thereof.

Since the rotation speed of the rotary scattering blade 2 cannot be scattered by the rotation speed of the medicine feeding shaft 19, a drive motor for driving the rotation scattering blade 2 is arranged inside the medicine feeding device 18, and The motor is rotating in one direction at a speed sufficient for spraying.

Then, the rotation of the left and right medicine feeding shafts 19 is stopped, or the medicine is prevented from falling from the medicine feeding device 18 to the rotary eye plate, whereby the left and right stapling can be performed.

Inside the spraying width regulation cover 1, there are inclined guide plates 3 and 4 which are inclined in a direction in which the lower part protrudes and the upper part recedes with respect to the rotation direction of the rotary scattering blade 2, and the medicine scattered by the rotary scattering blade 2 is received. It is arranged. The inclined guide plates 3, 4
Is interrupted only at the central rotating blade 2.

The upper ends of the inclined guide plates 3 and 4 are pivotally supported at the front and rear corners above the spraying width regulation cover 1 by pivotal support portions 3a and 4a, and the protruding positions of the lower ends loosen the adjustment knobs 14 and 15. It can be adjusted back and forth by rotating it.

Then, four partition plates 5, 6, 7, 8 are arranged in the upper space of the portion where the lower part protrudes and the upper part retracts.

The partition plates 5, 6, 7 and 8 are the front and rear walls 1a,
It projects from the side of 1b, and pivotally supports the front and rear walls 1a, 1b at pivotal support portions 5a, 6a, 7a, 8a.

The rotation angle adjusting knobs 10, 11, 12, 13 provided on the tips of the partition plates 5, 6, 7, 8 are adjustable.

Adjustment knobs 14 and 15 of the inclined guide plates 3 and 4 and partition plates 5, 6, 7 and
It is possible to adjust the spray amount of the medicine by adjusting the position by the turning angle adjusting knobs 10, 11, 12, 13 of 8.

(F) Function of the invention As described above, according to the invention, the inclined guide plates 3 and 4 are arranged inside the spray width regulation cover 1 so that the inner space is inclined to the upper space P and the lower space by the inclined guide plates 3 and 4. It is divided into spaces Q.

As a result, the upper space P is closer to the rotation direction of the rotary scattering blade 2, so that most of the medicine passes through the upper space P and the lower space Q is reduced.

Then, the partition plates 5, 6, 7, 8 are arranged in the tunnel of the upper space P constituted by the inclined guide plates 3, 4 to reliably give resistance to the medicine, and the partition plates 5, 6, The medicine can be dropped below 7,8.

With respect to the rotation direction of the rotary scattering blades 2, the inclined guide plate 3,
Since the inclination direction of 4 projects downward in the direction of rotation and retracts upward, the inclined guide plates 3 and 4 receive the chemicals scattered by the rotation of the rotary scattering blades 2 and the upper space It is made to flow to P and not to flow to the lower space Q, and as far as possible to the left and right in the spray width regulation cover 1,
The drug is configured to be delivered.

Then, even inside the upper space P, the partition plates 5, 6, 7,
Without 8, the chemicals would be scattered to the left and right ends of the spray width control cover 1, so that the partition plate provided resistance in the middle to spray an appropriate amount.

Therefore, it is necessary to adjust the angles of the partition plates 5, 6, 7, and 8 to adjust the spray amount at each position.

Further, the drop amount at the position of each line is affected not only by the angle of the partition plate but also by the angle of the inclined guide plates 3 and 4 because a difference in the amount of the drug entering the upper space P occurs. is there.

Therefore, in order to adjust the left and right scattering amount, the rotary scattering blade 2
It is necessary to vertically adjust the angles of the inclined guide plates 3 and 4 whose tip is located at a position close to.

Therefore, the angles of the inclined guide plates 3 and 4 are adjusted by the adjustment knobs 14 and 15, and the angles of the partition plates 5, 6, 7 and 8 are adjusted by the rotation angle adjustment knobs 10, 11, 12 and.
By 13, it is possible to make fine adjustments.

(G) Effects of the Invention The present invention is configured as described above, and has the following effects.

As described in claim (1), a medicine hopper and a medicine feeding device are vertically overlapped with each other in the center, and a horizontally long spreading width control cover up to the medicine spreading width is arranged below the medicine feeding device, and the spreading is performed. The width-regulating cover covers the upper surface and opens the lower surface, and at the center of the spray-width restricting cover, a rotary scattering blade that scatters the medicine from the medicine feeding device is arranged. An inclined guide plate is arranged at a position, and the inclined guide plate has its upper part pivotally supported at the front corner and the rear corner in the spray width regulation cover, and is placed downwards with respect to the direction in which the rotary scattering blades rotate. The front and back spaces inside the spray width regulation cover are divided into the upper space and the lower space, so that The medicine hopper 9 and the medicine feeding device 18 Scattering vanes 2 arranged,
Even though the spray width control covers 1 are arranged on the left and right sides, the chemicals can be sprayed uniformly over the entire planting width of a wide rice transplanter.

As described in claim (2), the partition plate is arranged so as to project in the front-rear direction in the upper space arranged on the left and right, and the tilted guide plate and the partition plate are rotatably pivotally supported to finely adjust the tip. Since the rotation can be adjusted, by arranging the partition plates 5, 6, 7, 8 by the number corresponding to the number of planting rows, it was possible to concentrate the drug in the vicinity for each planted seedling and drop the medicine. It is a thing.

In addition, the small amount of chemical spray generated in each line can be adjusted by adjusting knobs 14 and 15 and rotation angle adjusting knobs 10, 11, 12 and 13, so the amount of spray is uniform for each line. I was able to do it.

[Brief description of drawings]

FIG. 1 is a side view of a structure in which a side-row fertilizer applicator is attached to the rear of the rice transplanter, and the chemical sprayer of the present invention is further attached to the rear of the rice transplanter. FIG. 2 is a perspective view of the chemical sprayer of the present invention. FIG. 3 is a perspective view showing the arrangement of the partition plate and the inclined guide plates 3 and 4 inside the spray width control cover, FIG. 4 is a plan sectional view of the same, FIG. 5 is a sectional view taken along the line XX of FIG. FIG. 6 is a view on arrow YY in FIG. P …… Upper space Q …… Lower space 1 …… Spreading width regulation cover 2 …… Rotary scattering blades 3,4 …… Inclined guide plates 5,6,7,8 …… Partition plates 10,11,12,13… … Rotation angle adjustment knob 14,15 …… Adjustment knob

Claims (2)

(57) [Scope of utility model registration request] 1. A medicine hopper and a medicine feeding device are vertically overlapped with each other in the center, and a horizontally long spreading width control cover up to the medicine spreading width is arranged below the medicine feeding device. Covers the upper surface and opens the lower surface, and arranges a rotary scattering blade that scatters the medicine from the medicine feeding device at the center of the spray width regulating cover, and tilts to the left and right positions of the rotary scattering blade inside the spray width regulating cover. A guide plate is arranged, and the inclined guide plate has an upper part pivotally supported at a front corner and a rear corner in the spray width regulation cover, and projects downward in a direction in which the rotary scattering blades rotate. The drug is characterized in that the upper part of the spray width regulation cover is divided into an upper space and a lower space by retracting the upper part and arranging it in a direction opposite to the direction to receive the drug scattered by the rotary scattering blades and inclining in the opposite direction. Spreader. 2. The chemical spraying machine according to claim 1,
In the upper space arranged on the left and right, the partition plate is arranged so as to project in the front-rear direction, and the tilted guide plate and the partition plate are rotatably supported.
A chemical spraying machine characterized in that the tip can be pivotally adjusted for fine adjustment.