JPH0751015B2 - Fertilization and seeding equipment - Google Patents

Description

TECHNICAL FIELD The present invention relates to a fertilizer application / seeding apparatus.

[Conventional technology]

In this type of fertilizer application and seeding device, conventionally, a grooving rotary body having a receiving portion for receiving the granular material is provided, and the granular material supplied from the storage hopper to the receiving portion is provided in a predetermined amount in the mud. It took the form of spontaneous emission at the position. (Actual development 51-122011
(See FIG. 3 of the publication).

[Problems to be Solved by the Invention]

In this case, since it only spontaneously discharges at a predetermined position in the mud, if the discharge port of the receiving part is blocked with mud, the granular material will not be released from the receiving part or a part of the powder There is a risk that the body will remain without being released, and a certain amount of powder or granules may not be fertilized and sown.

An object of the present invention is to add a rational mechanism to the grooving rotary member for reliable fertilization and sowing, and to ensure that the mechanism adopted for that purpose can be operated more reliably. It is in the point of providing.

[Means for Solving the Problems]

The characteristic configuration according to the present invention is such that a hopper that stores powder and granular material, and a grooving rotary body that receives the powder and granular material fed from the hopper and supplies it to a predetermined position in mud are mounted on a traveling machine body and moved. In addition to the above structure, the groove-rotating body is provided with a receiving portion for receiving the powder or granular material fed from the hopper, and the powder or granular material put into the receiving portion is pushed at a predetermined position in the mud. The present invention is characterized in that it is provided with a pushing-out tool, and is further provided with a speed changing means for making the peripheral speed of rotation of the groove cutting rotary body higher than the traveling speed of the traveling machine body.

[Work]

By providing the rotator for grooving with an extruding tool that pushes out the powder particles of the receiving portion, even if the discharge port of the receiving portion is blocked with mud, it is forced from the receiving portion together with the mud. Since the granular material can be pushed out, the granular material is not stored in the receiving portion and is not discharged and is not rotated to a position for receiving the next granular material from the hopper.

Further, by providing the speed changing means for making the peripheral speed of rotation of the groove-cutting body greater than that of the traveling machine body, a relative speed difference between the rotating body for groove-cutting machine and the traveling machine body is generated. Due to the difference, there may be a difference between the moving speed of the pushing tool of the grooving rotary body that pushes out the granular material in the receiving portion and the moving speed of the mud that moves with respect to the grooving rotary body due to the traveling of the traveling machine body. become. Therefore, due to the relative speed difference between the groove-cutting rotary body and the traveling machine body, the groove-cutting rotary body rotates while causing some slip between the peripheral surface and the running mud surface. Thereby, at a predetermined position in the mud where the powder particles of the receiving portion are extruded, a shearing action is generated between the extruding surface of the extruding tool that extruded the powder particles of the receiving portion and the mud that is in contact with the extruding surface. Occurs, and due to this shearing action,
The granular material extruded into the mud is scraped from the extruded surface by the relatively moving mud, and is reliably left at a predetermined position.

Moreover, since the mud adhered to the extruding tool is also scraped off by the mud on the soil side that is relatively moving due to the above-mentioned shearing action, the mud adhering to the extruding tool hardly occurs. Therefore, when receiving the granular material from the hopper above the mud surface, it is possible to avoid the residue of the granular material in the receiving part and the adhesion of the mud of the extruder, and the inside of the receiving part is occupied by the residual granular material and the mud. Instead, the desired amount of the next powder or granular material can be supplied into the receiving portion.

Furthermore, by setting the rotation peripheral speed of the grooving rotating body to be higher than the traveling speed of the traveling body, the grooving rotating body rotates faster than the traveling speed of the traveling body as the traveling body moves. Since it will proceed while cutting mud at the peripheral speed, compared to the case where the rotating peripheral speed of the rotating body for groove cutting is the same as or lower than the traveling speed of the traveling machine, The mud pushing action by the rotating body is reduced.

〔The invention's effect〕

Therefore, by collecting the extruding tool as the compulsory discharging mechanism, the powder and granules can be discharged more reliably.

Then, by generating a relative speed difference between the rotator for groove cutting and the traveling machine body, it is possible to use it as a scraping means for the granular material that is extruding the mud in the soil on the side that receives the granular material, so that it is extruded. The powder and granules from the ingredient can be efficiently released, the powder and granules can be reliably supplied to the intended place in the mud, and the powder and granules remain and the mud adheres in the receiving part. This can be avoided and the desired amount of powder or granules can be accurately supplied.

Also, because there is little mud pushing by the rotating body for groove cutting,
It is possible to avoid pushing down already planted seedlings due to the mud pushing.

〔Example〕

Hereinafter, a riding-type rice transplanter equipped with a fertilizer application, which is one of the embodiments of the present invention, will be described with reference to the drawings.

As shown in FIG. 1, a planting arm (2) that is rotationally driven at the rear of the planting mission (1) and a seedling stand that slides on a guide rail (3) attached to the planting mission (1). A seedling planting device is constituted by (4) and the like, and this seedling planting device is movably connected to a machine body (not shown) via a four-link mechanism (5).

The seedling planting device is equipped with a fertilizer application device as an agricultural powder and particle dispersal device. As shown in the figure, the fertilizer application device continuously repeats fertilizer storage hopper (7) and fertilizer in the hopper (7). Feeding mechanism (9) with feeding roll (8) inside
Etc. The delivery mechanism (9) and the delivery roll (8) will be described in detail. As shown in FIG. 1, a drive shaft (10) having a hexagonal cross section is horizontally rotatably mounted in the lateral direction of the machine body of the delivery mechanism (9). At the same time, the feeding roll (8) is attached to the drive shaft (10). further,
Link mechanism (1 that repeatedly drives the planting arm (2) up and down
A linking rod (13) is laid between the armature (12) of the drive shaft (10) and the drive shaft (10) and the pay-out roll ( 8) is repeatedly driven reciprocally around the horizontal axis, and the fertilizer entering the concave portion (8a) provided on the outer periphery of the feeding roll (8) is alternately fed out to both sides so as to be scraped off by the brush (14). To go.

A feeding case (6) for accommodating the feeding roll (8)
A pair of front and rear funnel parts (17A) and (17B) are formed on the
A grooving device (15) is attached to the front funnel (17A) side via a downflow hose (18). This grooving device (15) is integrally fixed to the grounding float (19) together with the grooving plate (16). As the rice transplanter moves, the grooving device (15) is positioned at a predetermined depth below the mud surface to form a fertilizer dropping groove. While being formed, the fertilizer fed from the front chamber of the fertilizer storage hopper (7) partitioned by the partition plate (20) is guided into the groove. This grooving device (15) is provided on the side of each planting row, and is applied to the work for performing shallow fertilization with a fertilizer dropping depth of about 5 cm below the mud surface.

Next, the case of performing deep fertilization by pushing one fertilizer deeply (15 cm) below the mud surface per two planted rows will be described.
As shown in FIGS. 1 and 2, the ground float (1
9) Position the grooving rotary body (22) for performing deep fertilization in the rear bifurcated branch space, and use this grooving rotary body (2
2) to the hose (1) flowing down from the rear funnel (17B)
It is configured to supply fertilizer via 8).

As shown in FIGS. 3 and 4, this groove cutting rotary body (22) includes a resin rotary body main body (23) having a fertilizer receiving receiving portion (23a) formed on the outer peripheral surface thereof, and Metal side walls (24) integrally fixed to the rotating body (23) from both side surfaces with screws,
(24), a rotary drive shaft (25) fixed to one of the metal side walls (24), (24) so as to rotate integrally, and externally fitted to the rotary drive shaft (25). A cam member (26) that is in a fixed state together with the pusher tool (27) that is supported by the rotor body (23) at equal pitches in the circumferential direction.
Consists of. The push-out tool (27) includes the receiving portion (23
Piston (28) which pushes out the fertilizer placed at a)
a) and a piston rod (28b) that supports the piston (28a) and abuts on the cam member (26) at the axial center of the rotating body, and the push member (28) is a cam member. It consists of a spring (29) that presses and urges against (26).

With the above configuration, when the rotary drive shaft (25) rotates, the pusher tool (27) rotates integrally with the rotary body (23).
At this time, since the cam member (26) is fixed, the push-out body (28) moves along the outer peripheral surface of the cam member (26) and the radial direction of the push-out body (28) with respect to the rotor body (23). Move forward and backward. Therefore, when the receiving part (23a) is located on the mud surface and receives fertilizer, the pusher body (28) is retracted to the back side of the receiving part (23a) and at a predetermined position within the mud surface. When pushing out, the pushing posture is changed so as to project from the discharge opening end of the receiving portion (23a). The left and right side walls (24), (24) have large diameters that extend further outward than the receiving portion (23), and have annular recesses whose outer peripheral surface is the bottom surface. The groove (a) is formed, and the fertilizer from the receiving portion over the approximately 160 ° from the receiving position to the discharging of the fertilizer at the receiving portion (23) in the rotational transfer of the rotating body (22). An arcuate lid (30) for preventing leakage is located in the annular recessed groove (a). The arc-shaped lid (30) is hung with its upper end fixed to the vertical link (32A), and the fixed end and the tip end located in the recessed groove (a) are relatively refracted as the rotating body (22) moves up and down. It is made of spring steel or the like.

Next, a structure for supporting and driving the rotator (22) for grooving will be described. As shown in FIG. 1 and FIG. 2, the groove cutting rotary body (22) includes a vertical link (32) in the four-link (32).
A) It is pivotally supported at the lower end, is attached to the seedling planting device so as to be able to move up and down, and receives power transmission via a chain transmission mechanism (37) equipped in the vertical link (32A). On the other hand, this vertical link (32A) has a horizontal transmission shaft case (3
The rear end of the lower link (32B) is pivotally supported so that the lower link (32B) can be relatively swung with 3) as a relay tool, and the front end of the lower link (32B) is connected to the planted arm (2) drive crankshaft (34) so as to be integrally rotatable. It is pivotally supported by the crank drive shaft (35). The crank drive shaft (35) also serves as a support member and serves as a vertical swing fulcrum of the lower link (32B). With the above configuration, the power supplied from the drive crank shaft (34) is generated by the crank drive shaft (35), the chain transmission mechanism (36) in the lower link (32B), the lateral transmission shaft case (33), and the vertical link. It is transmitted to the rotary drive shaft (25) through the chain transmission mechanism (37) of (32A) and drives the groove cutting rotary body (22). The cam member (26) engages with a hose extending from the vertical link (32A) to rotate the rotary drive shaft (2
Despite the rotation operation of 5), it is in a fixed state.

Next, the rotational peripheral speed of the groove cutting rotary member (22) will be described. As described above, since the groove cutting rotary body (22) receives power transmission from the planting mission (1), the inter-stock transmission (3) provided in the machine-side traveling mission (38).
The rotation speed changes when the seedling take-out speed of the planting arm (2) is changed by shifting in 9). Therefore, if the distance between the plants is maximum (for example, 18 cm), the seedling take-out speed of the planting arm (2) becomes small, and the rotation speed of the groove cutting rotary body (22) becomes small accordingly. However, even if the rotation speed of the groove-cutting rotary body (22) is at a minimum as described above, the rotation peripheral speed thereof becomes higher than the traveling speed of the traveling body, that is, the traveling speed of the groove-cutting rotary body (22). Thus, the gear ratios of the chain transmission mechanisms (36) and (37) are set. That is,
The chain transmission mechanisms (36), (37) constitute a speed changing means (A) for increasing the circumferential speed of rotation of the groove cutting rotor (22) to be higher than the traveling speed of the traveling machine body.

As shown in FIG. 2, the grooving rotary body (22) is attached to the right side of the vertical link (32A) when viewed from the rear, and is pushed out by the vertical link (32A) located in the mud to push the mud. It is installed at a position where it does not affect the seedlings that have been planted or shallow fertilization.

[Other Embodiments] The speed changing means (A) may be configured by a dedicated drive device for making the rotational peripheral speed of the groove cutting rotary body (22) higher than the traveling speed of the traveling machine body.

You may use the thing of the said Example as a direct seeding apparatus.

It should be noted that reference numerals are added to the claims for convenience of comparison with the drawings, but the present invention is not limited to the structures of the accompanying drawings by the entry.

[Brief description of drawings]

The drawings show an embodiment of the fertilizer application / seeding apparatus according to the present invention. FIG. 1 is an overall side view, FIG. 2 is a plan view showing a drive structure of a groove cutting rotary body, and FIG. 3 is a groove cutting rotary body. Vertical side view of No. 4,
The drawing is a vertical cross-sectional front view showing a receiving portion of the groove cutting rotary member. (7) …… Hopper, (22)… Rotating body for groove cutting, (23
a) …… Reception part, (27) …… Pushing tool, (A) …… Transmission means.

Claims (1)

[Claims] 1. A hopper (7) for storing powder and granules, and a grooving rotator (22) for receiving the powder and granules fed from the hopper (7) and supplying them to a predetermined position in the mud. A receiving portion (23a) for receiving the powder or granules fed from the hopper (7) in the groove rotating body (22) and being configured to be movable by being mounted on a traveling machine body, and the receiving portion (23a). An extruding tool (27) for extruding the powder or granular material put into the portion (23a) at a predetermined position in the mud, and further, the rotational peripheral speed of the grooving rotating body (22) is traveled by the traveling machine body. A fertilizer application / seeding device provided with a speed change means (A) for increasing the speed.