JPH06225606A - Fertilizing machine - Google Patents

Abstract

PURPOSE:To obtain a fertilizing machine capable of smoothly traveling a machine body and carrying out manuring operation. CONSTITUTION:In a fertilizing machine equipped with a seedling placing stand and a fertilizing device longitudinally adjacently at a position right above a planting transmission, the fertilizing device has a structure wherein a feeding roll is attached to a supporting frame stood on the planting transmission, the bottom part of a hopper is connected to the top part of the feeding roll, the top part of a manuring chute is linked to a feeding case connected to the bottom part of the feeding roll, the bottom part of the manuring chute is arranged at a position right below the position of the bottom rear part of the seedling placing stand laid at a right front position and the front part of the hopper is installed at a position ahead the feeding roll and at a position right above and close to the bottom rear part of the seeding placing stand.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fertilizer applicator for feeding and fertilizing fertilizer.

[0002]

2. Description of the Related Art Conventionally, there are passenger rice transplanters in which fertilizer tanks are arranged at intervals behind a seedling table of a planting device.

[0003]

However, in the above-mentioned riding rice transplanter, at a position rearward of the seedling table of the planting device,
Since the fertilizer tanks are provided at intervals, the weight of the fertilizer tanks works largely behind the traveling vehicle body, resulting in an unbalanced front-rear balance of the entire machine, thus facilitating the traveling and fertilizing work of the machine. It was impossible.

[0004]

Therefore, according to the present invention, in a fertilizer applicator in which a seedling placing table and a fertilizer application device are arranged adjacent to each other in the front and rear positions directly above the planting mission, the fertilizer application device is a planting mission. Attach the feeding roll to the supporting machine frame installed upright, connect the lower end of the hopper to the upper end of the feeding roll, while connecting the upper end of the fertilizing chute to the feeding case connected to the lower end of the feeding roll, The lower end of the fertilizer chute is arranged directly below the lower end rear position of the seedling placing table arranged in the immediately preceding position, and the front side portion of the hopper is located in front of the feeding roll and the seedling placing position. It is intended to provide a fertilizer applicator, which is characterized in that the fertilizer applicator is arranged at a position immediately above the lower end rear position of the table.

[0005]

Embodiments of the present invention will be described in detail with reference to the drawings. (A) in FIG. 1 shows a riding rice transplanter, and this rice transplanter (A) is a traveling aircraft (B) and a planting aircraft behind. (C) is linked.

As shown in FIG. 1 and FIG. 2, the traveling machine body (B) has a prime mover section at the front and rear of the upper part of the machine body frame (1).
(2) The driving part (3) is arranged, and the front wheels (4) and the rear wheels (5) are arranged at the front and rear of the lower part of the aircraft frame (1). Planted aircraft
(C) is a planting arm on the side of three planting missions (7) on three floats (6) arranged side by side.
Five planting claws (9) are arranged in series through (8), and the planting claws (9)
The seedlings on the seedling mount (10) stretched forward are planted with the planting claws (9) so that five rows can be planted. In addition, the seedling mount
In (10), the rear part is inclined downward, and three fertilizer applicators (12) are installed side by side on the support machine frame (11) standing upright on the gate-shaped mission (7). Two fertilizers are applied to each side, and one fertilizer is applied to the central one.

As shown in FIGS. 2 to 4, the fertilizer applicator (12) is provided with a hopper (13), a feeding roll case (14), a feeding exit case (15), and a fertilizer chute (16) in order from top to bottom. ) Are connected in series.

As shown in FIG. 1, the hopper (13) is provided at a rear position of the seedling mounting table (10) on a gate-shaped support machine frame (11) standing above the planting mission (7). Installed, and
The front side part (13-1) of the hopper (13) is positioned in front of the lower end rear position (10-1) of the seedling placing table (10), and is in a state of overlapping in a plan view. Good balance of C).

As shown in FIGS. 1 and 2, the lower end portion of the hopper (13) is provided with the upper end portion of the fertilizer chute (16) through the feeding roll case (14) and the feeding exit case (15). The fertilizer chute (16) is connected at its lower end to the fertilizer application groove plate (34) provided on the float (6).

The lower part of the fertilizer chute (16) is
As shown in FIG. 2, it is located in the space surrounded by the planting mission (7), the lower end of the seedling stand and the planting arm (8).

Further, in this embodiment, as shown in FIG. 1, the middle part of the fertilizer chute (16) is curved forward along the lower end of the seedling placing table (10). Stand (10)
Avoid contact with the seedling feeding part at the lower end of the
The seeds and the like can be reliably dropped without being clogged.

In the feeding roll case (14), as shown in FIG.
(17) A feeding groove (18) of the same capacity is provided on the peripheral surface at regular intervals in the rotation direction, and the fertilizer (19) in the hopper (13) is quantified at regular intervals by the constant rotation of the roll (17). It is configured to be dropped into the delivery port case (15). Here, two feeding grooves (18) are arranged side by side, and feeding case (15)
The inside is also divided into two by a partition wall (15 ') to form a delivery port (15-1) so that two lines of fertilizer can be delivered.

As shown in FIG. 3, the feed-out case (15) is provided with a detecting section (20) for detecting the falling state of the fertilizer (19). The structure of this detecting section (20) will be described. It is as follows. That is, the contactless micro switch (21) is attached to the rear wall of the feeding port case (15) through the switch case (21 '),
A wire lever (22) base end is pivotally attached to the switch (21), and the lever is configured to be able to roll up and down around the pivot attachment portion,
Further, the tip of the lever (22) extends to the inside of the payout opening (15-1) through the inside of the vertically long guide hole (23) opened on the rear side wall of the payout opening case (15).

Further, as shown in FIG. 3, a saucer (24) for receiving once the fertilizer (19) fed from the feeding groove (18) and dropped is continuously provided at the tip of the wire lever (22). Moreover, the wire lever (22) has an upward biasing force (F) so that the wire lever (22) rolls down the lever (22) due to the weight of the fertilizer (19) placed on the tray (24). The saucer (24) is installed horizontally at the upper position so that the fertilizer (19) can be received on the saucer (24), and the fertilizer (19) above the allowable amount is placed on the saucer (24).
Load, the wire lever (22) rolls downward due to the load, the saucer (24) tilts and the fertilizer (19) slips off, and when there is no load, the wire lever (22) urges F) rolls upward and the saucer (24) is returned horizontally.

4 and 5 show another embodiment, in which the delivery roll (17) is provided below the discharge port of the hopper (13).
The feeding roll case (14) for casing is arranged, the feeding roll (17) is rotatably mounted on the case (14), and the feeding case (17 ') is continuously provided below the case (14). The same case (1
7 ') is connected to the detection part (20), and the case (17') is divided into two sections through the partition (17 ')-2 and the feeding port (17'-3).
The vertical guide hole is formed on the rear wall of the feeding port (17'-3).
(23) is provided, the saucer (24) is located in the feeding hole (17'-3) from the hole (23) through the wire lever (22), and the base end of the wire lever (22) is contactless. The switch (21) is connected to the micro switch (21), and the switch (21) is attached to the mounting base (17'-4) that is connected to the rear wall of the feed-out case (17 '). ).

In any of the examples, by providing the detection section (20) on the side wall of the feeding case (17 ') or (15),
The saucer (24) can be arranged in the vicinity of the feeding roll (17).

The fall of the fertilizer is caused by the feeding roll (1
The feeding groove (18) of 7) is used to carry out a fixed amount in a fixed cycle, and the wire lever (2
By appropriately setting the urging force (F) of 2), the wire lever (22) is configured to raise and lower once each time a fixed amount of fertilizer is dropped. The raising and lowering cycle of the fertilizer can correspond to the falling cycle of fertilizer. Also, the solid state micro switch (21) has a wire lever (2
2) The vertical movement is always detected, and the micro switch
The (21) communicates with an alarm buzzer (25) provided in the driver's seat (3) to form an alarm circuit (26).

This alarm circuit (26), as shown in FIG.
The detection unit (20), the amplification unit (28), the integration unit (29), the display unit (30) is configured by connecting one after another, the detection unit (27) mainly a non-contact micro switch (21), The amplification unit (28) mainly includes an amplification factor adjusting amplifier (31), and the integration unit (29) mainly includes a capacitor (32) and a zener diode (33) for connecting and disconnecting a current with a predetermined amount of voltage as a boundary. The display part (30) is mainly provided with an alarm buzzer (25).

When the wire lever (22) is moved up and down and stopped,
The signals are detected by the micro switch (21) and are connected to the integration unit (29) via the amplification unit (28) as signals of different types. The integrating unit (29) has a structure in which the Zener diode (33) is energized via the capacitor (32), but this capacitor (32) is discharged by the signal when the wire lever (22) is moved up and down. Zener diode (3
The voltage above the specified amount is not applied to 3), and the alarm buzzer (25) of the display unit (30) does not carry current.On the other hand, when the signal when the wire lever (22) is stopped, the capacitor ( Since the charged state is maintained in (32), the voltage exceeding the specified amount is applied to the Zener diode (33), and the alarm buzzer (2
It has a structure that allows current to flow to 5).

In the figure, (R1) ... (R11) are resistors,
(T) is a transistor and (D) is a diode.

The fertilizer feeding outlet case (15) is provided with an upper end of the fertilizer chute (16), and the lower end of the chute (16) is open to the side of the float (6). Grooving plate
(34) and a fertilizer-covering earth plate (35) are arranged respectively.

A fertilizer application groove plate (34) is provided on the inner side of the float than the planting arm (8), and the fertilizer application chute is used.
The lower end of (16) is aimed at the side of the float (6) behind the fertilizer application groove plate (34), and the fertilizer cover soil plate (35) is provided behind the lower end of the fertilizer chute (16). ing.

In FIG. 1, (36) is a planting mission (7)
A power take-out portion, which is a combination of a pulley and a belt for taking out power from the power take-out roller, and (37) is a feeding roll shaft that is interlocked with the power take-out portion (36) through a flexible pipe (38).

The embodiment of the present invention is configured as described above, and the fertilizer in the hopper (13) is fed to the feeding groove (1) of the feeding roll (17).
It is dropped to the fertilizer feeding outlet (15-1) via 8),
If the rotation of the pay-out roll (17) and the state of the pay-out groove (18) are normal, the wire is dropped by a fixed amount in a fixed cycle, and the wire lever (22) also moves up and down in a fixed cycle to activate the alarm buzzer (25). Does not carry current.

However, when the rotation of the pay-out roll (17) is stopped or slowed down, the wire lever (22) is prevented from rolling up and down in a certain cycle, the wire lever (22) is stopped, and an alarm is issued. An electric current is sent to the buzzer (25) to notify the abnormality. Also, when the feeding groove (18) is clogged and only a small amount of drop is made, the tray
(24) Only the fertilizer below the allowable amount is put on the wire lever (2
Since 2) does not go down, the wire lever (22) is stopped, and the alarm buzzer (25) is similarly energized to notify the abnormality.

When the fertilizer in the hopper (13) is exhausted, the fertilizer does not drop, so the wire lever (22) is stopped and an alarm buzzer (25) gives an alarm.

Further, since the detecting portion (20) is provided below the feeding roll (17) in proximity to the feeding roll (17), the fall distance of the fertilizer (19) from the feeding groove (18) to the tray (24) is short. Since the fertilizer (19) is well organized, it is possible to detect the presence or absence of the fertilizer drop early and accurately.

The present invention is not limited to the above embodiment, and it goes without saying that the seeding device may have the same structure as that of the fertilizer applying device.

According to the present invention, a planting mission (7) is provided at the lower rear part of the seedling placing table (10), a float (6) is provided below the planting mission (7), and the seedling placing table (10) is provided. ), The support machine frame (11) is erected above the planting mission (7), and the hopper (13) of the fertilizer application device (12) is attached to the support machine frame (11). Therefore, the fertilizer applicator (1
The hopper (13) of 2) can be placed in a high position and therefore
The hopper (13) can be arranged on the front side without interfering with the seedling table (10).

Then, the front side portion (13-1) of the hopper (13) is
Since it can be located in front of the lower end rear position (10-1) of the seedling mounting table (10), the weight of the hopper (13) can be made to act on the front side of the machine body, and thus the body weight center can be moved forward. By moving, the front-rear balance of the machine body becomes good, and the traveling and fertilizing work of the machine body can be smoothly performed.

Further, since the mounting position of the hopper (13) can be arranged near the front side, the upper and lower positions of the fertilizing chute connected to the feeding port of the hopper (13) and the lower end of the fertilizing chute can be adjusted in the front-back direction. The interval is reduced, so that the length of the fertilizer chute can be shortened and the fertilizer can be smoothly dropped.

The seedling planting work and fertilizing work can be efficiently performed while the structure is simple as a whole.

Further, the fertilizing chute connected to the fertilizing feeding part at the upper portion is located in the space surrounded by the planting mission, the lower end of the seedling placing table and the planting arm, so that the fertilizing chute is protected. It is reliable and prevents damage.

Furthermore, a grooving plate (34) is provided on the inside of the float with respect to the planting arm (8), and the lower end of the fertilizer chute (16) is provided on the side of the float (6). 34) and a fertilizer cover plate (35) is provided at the rear of the lower end of the fertilizer chute (16) .Therefore, the planting arm and fertilizer chute do not interfere with each other, and fertilizer is reliably applied. As the fertilizer can be applied to the side of the planted seedlings reliably, the growth of the seedlings is good, and the fertilization work can be performed smoothly and efficiently as a whole.

Further, the fertilizing chute connected to the hopper has its lower end communicated and connected to a grooving plate provided on the float. The midway part of the chute is moved forward along the lower end of the seedling table. Because of the gentle curved shape, it is possible to avoid contact with the seedling feeding section at the lower end of the seedling placing table, and to reliably drop the fertilizer, seeds and the like without clogging.

[0036]

[Effect] According to the present invention, the seedling placing table and the fertilizer application device are arranged adjacent to each other at the position immediately above the planting mission, and the fertilizer applying device is fed to the support machine frame erected on the planting mission. Install, connect the lower end of the hopper to the upper end of the feeding roll, and place the front side of the hopper at a position in front of the feeding roll and immediately above the lower end rear position of the seedling stand. Therefore, the weight of the hopper can be applied to the front side of the machine body, and the center of gravity of the machine body can be located closer to the central portion, so that the traveling and fertilizing work of the machine body can be smoothly performed.

Moreover, the front side portion of the above-mentioned hopper is located in front of the feeding roll, and the upper end portion of the fertilizing chute is connected to the feeding case connected to the lower end portion of the feeding roll. Since the fertilizer chute is arranged immediately below the lower end rear position of the seedling placing table arranged in one direction, the front-rear distance between the upper end position and the lower end position of the fertilizer chute can be reduced, and the fertilizer chute can be used. The length of the fertilizer can be shortened as much as possible. Therefore, the fertilizer can be smoothly dropped through the fertilizer chute, and the fertilizing work efficiency can be improved.

[Brief description of drawings]

FIG. 1 is a side view of a fertilizer applicator according to the present invention.

FIG. 2 is a rear view of the fertilizer applicator.

FIG. 3 is a sectional view taken along line I-I of FIG.

FIG. 4 is a rear view of a main part of another embodiment.

5 is a cross-sectional view taken along the line II-II in FIG.

FIG. 6 is an explanatory diagram of an alarm circuit.

[Explanation of symbols]

 A Passenger rice transplanter B Traveling machine C Planting machine 6 Float 7 Planting mission 10 Seedling table 10-1 Bottom rear position 11 Support machine frame 12 Fertilizer application 13 Hopper 13-1 Front side

Claims (1)

[Claims] 1. A fertilizer applicator in which a seedling placing table (10) and a fertilizer applicator (12) are arranged adjacent to each other in the front and rear positions directly above the planting mission (7). Attach the feeding roll (14) to the supporting machine frame (11) installed upright on the attached mission (7), and then feed the feeding roll (14).
While the lower end of the hopper (13) is connected to the upper end of the fertilizer chute (16), the upper end of the fertilizing chute (16) is connected to the feeding case (15) connected to the lower end of the feeding roll (14). ) Rear end position of the seedling stand (10) with the lower end of the)
(10-1) is located immediately below, and, further, the front side portion (13-1) of the hopper (13) is at a position in front of the feeding roll (14) and on the seedling table (10). The fertilizer applicator, which is arranged at a position immediately above the lower end rear position (10-1).