JPH0965718A - Rice transplanter with fertilizer application - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a rice transplanter having a fertilizer, excellent in longitudinal weight balance, capable of storing with supplying fertilizer to levee and having improved reduction of labor by providing a front end part of a self- running machine body with a fertilizer injecting vessel connected so as to supply fertilizer into a fertilizer tank through a supplying path. SOLUTION: A seedling planter 10 is connected to a rear part of a self- running machine body in freely rising and lowering state and is provided with a fertilizing device 20 having a fertilizer hopper 21, extruding and supplying powdery fertilizer from the fertilizer hopper 21 to the field. A fertilizer tank 30 connected to the fertilizer hopper 21 to supply the fertilizer through a supplying path 32 is fixed to a place of a level lower than a top end of the rear wheel among the front and rear wheels of the self-running machine body. A fertilizer feed vessel 34 connected to the fertilizer tank 30 to supply the fertilizer through a supplying path 33 is installed at a front end part of the self-running machine body.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fertilizer application apparatus having a fertilizer hopper connected to a rear portion of a self-propelled machine so as to be vertically movable, and having a fertilizer hopper for feeding and supplying powdered and granular fertilizer to a field. The present invention relates to a rice transplanter with a fertilizer application device provided in the seedling planting device.

[0002]

2. Description of the Related Art Conventionally, in the above rice planting machine, a fertilizer tank connected so as to supply fertilizer to a fertilizer hopper is attached to the side of the operating part of a self-propelled machine as disclosed in, for example, Japanese Patent Application Laid-Open No. 4-51804. However, there was one that was able to be loaded with a large amount of fertilizer so that the weight of fertilizer could not be applied to the planting equipment.

[0003]

In the case of the conventional rice transplanter, when the machine is stopped at the edge of the ridge and the fertilizer is replenished, even if the machine is stopped forward with respect to the ridge and the front end side of the machine approaches the ridge,
The fertilizer tank was located in an inaccessible place away from the ridge, and the ridge could not be directly supplied to the fertilizer tank. Also, even if the aircraft is parked sideways with respect to the ridges, the fertilizer tank is installed inside the self-propelled aircraft,
Since the seedling platform of the seedling planting device protruded to the lateral outside of the self-propelled machine, the distance between the fertilizer tank and the ridge was large, and the fertilizer tank could not be directly supplied from the ridge. For this reason, it took time and effort to transfer fertilizer from the ridge to the aircraft and put it in the tank, or for the worker on board the aircraft to receive the fertilizer from the worker in the ridge and put it in the tank. . An object of the present invention is to allow fertilizer to be mounted on a self-propelled aircraft while allowing the weight of the fertilizer to be advantageously applied to the self-propelled aircraft, and yet to be easily supplied from the ridges.

[0004]

In order to achieve the object of the present invention, in the rice planting machine with a fertilizer application described at the beginning, a fertilizer tank connected to the fertilizer hopper so as to replenish fertilizer through a replenishing passage is provided. The front end of the self-propelled machine is equipped with a fertilizer container that is attached between the front and rear wheels of the self-propelled machine at a lower level than the upper end of the rear wheel and is connected to the fertilizer tank so as to supply fertilizer through the supply channel. It is characterized by being.

The operation of the present invention is as follows. If you stop the aircraft forward against the ridge and bring the front end closer to the ridge,
The fertilizer input container approaches the ridge, and the fertilizer can be directly input from the ridge to the fertilizer input container. When fertilizer is added to the fertilizer input container, the fertilizer is supplied to the fertilizer tank through the supply passage and stored at a lower level than the upper end of the rear wheel between the front and rear wheels of the self-propelled aircraft.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION As shown in FIG. 1, a link mechanism 4 which is vertically rockable by a lift cylinder 3 is provided at a rear portion of a self-propelled vehicle having a front wheel 1 and a rear wheel 2 capable of being driven. The seedling planting device 10 is connected to the seedling planting device 10 by raising and lowering and the power is transmitted from the automatic machine to the seedling planting device 10 via the rotary shaft 5. The fertilizer hopper 2 located above the seedling planting mechanism 12 of the seedling planting apparatus 10.
1. The seedling planting device 10 is equipped with the fertilizer application device 20 having a plurality of fertilizer feeding devices 22 ... Attached to the lower part of the fertilizer hopper 21, and from the seedling planting mechanism 12 of the seedling planting device 10. Fertilizer feeding device 2 of fertilizer application device 20
2 is configured so that power is transmitted to the rice planting machine, and a rice-planting machine with a riding type fertilizer application device is configured.

The seedling planting device 10 is drivably attached to the rear end side of the planting machine body 11 and has a plurality of the seedling planting mechanisms 12 arranged in parallel in the lateral direction of the machine body. The seedling placing table 13 configured to be reciprocally transferred in the lateral direction of the machine in conjunction with the seedling planting movement of the mechanism 12 and attached to the front end side of the planting machine 11, and attached to the lower part of the planting machine 11 and in the lateral direction of the machine body And a plurality of grounding floats 14 ... Then, as the aircraft travels, each grounding float 14 lands the planned seedling planting site in the field mud, and each seedling planting mechanism 12 puts one block of block seedlings out of the mat-like seedlings placed on the seedling placing table 13. The seedling planting device 10 carries out planting of a plurality of rows of seedlings as the machine body travels by cutting and removing the seedlings and planting them in a ground leveling site by the ground float 14.

The fertilizer application device 20 includes the fertilizer hopper 2
1. The fertilizer feeding device 22 and the plurality of fertilizer feeding devices 22 ... are separately connected via fertilizer supply hoses (not shown), and the plurality of seedling planting mechanisms 12 ... It has a plurality of fertilizer applicators 23, ... Arranged so as to be positioned one by one and attached to the grounding float 14. Then, in association with the seedling planting device 10 performing the seedling planting movement, each fertilizer feeding device 22 feeds the granular fertilizer from the fertilizer hopper 21 by a set amount and drops and supplies the fertilizer to the fertilizer application device 23. The fertilizer application device 20 uses the seedling planting device 10 by creating a trench in the field mud near the seedling planted by the seedling planting mechanism 12 and supplying the granular fertilizer from the fertilizer feeding device 22 to the created trench. At the same time when the seedling planting work is performed, powdered fertilizer is supplied near each of the plurality of seedlings planted by the seedling planting device 10.

As shown in FIG. 1, a fertilizer tank 30 is arranged between the front and rear wheels of the self-propelled vehicle at a level lower than the upper end of the rear wheel 2, and is attached to the fertilizer tank 30.
It is made of a flexible hose so that it can be bent as the fertilizer application device 20 moves up and down, and is connected to the fertilizer hopper 21 via a replenishment path 32 equipped with an air supply device 31 so that the fertilizer tank 30 receives the fertilizer. A fertilizer charging container 34 connected through a hose supply path 33 is provided at the front end of the self-propelled machine.

That is, the machine body is oriented forward with respect to the ridge, and the front end of the machine body is brought close to the ridge and stopped. Then, the fertilizer charging container 34 approaches the ridge, and the fertilizer can be charged into the fertilizer charging container 34 by opening the charging port provided with the swingable opening / closing lid 34a of the fertilizer charging container 34 from the ridge. The fertilizer in the fertilizer input container 34 enters the fertilizer tank 30 through the supply passage 33 by a natural flow due to the level difference between the fertilizer input container 34 and the fertilizer tank 30, and the fertilizer in the fertilizer tank 30 is supplied by the air supply device. 31 is conveyed to the fertilizer hopper 21 by the conveying air supplied to the supply path 32. As a result, even if fertilizer is not brought from the ridge to the airframe, it can be supplied to the fertilizer tank 30 and stored in a low-level location between the front and rear wheels 1 and 2 simply by throwing it from the ridge into the fertilizer input container 34. The fertilizer stored in the fertilizer hopper 2 is supplied to the fertilizer hopper 2 by the supply path 32.
Can be automatically replenished to 1.

Instead of the air supply device 31, a carrier device for supplying engine exhaust gas to the replenishing passage for transporting the fertilizer, or an ejector function of engine exhaust air for sucking air for fertilizer transporting and supplying it to the replenishing passage. A carrier device may be adopted and implemented. Further, a device for conveying fertilizer by means other than fluid, such as rotating the spiral wire to convey fertilizer, may be implemented.

The fertilizer supplied from the replenishment path 32 to the fertilizer hopper 21 is uniformly accumulated from one end to the other end of the fertilizer hopper 21 in the lateral direction of the machine body by any of the distribution means shown in FIGS. Is possible.

That is, the distribution means of FIG.
It comprises an automatically expandable / contractible supply nozzle 36 attached to the tip of the above so as to be driven and rotatable around an axis P1 in the longitudinal direction of the machine body. That is, the nozzle tip 36a of the supply nozzle 36 reciprocates in the lateral direction along the fertilizer hopper 21, and
Regardless of where the supply nozzle 36 supplies to the fertilizer hopper 21, the supply nozzle so that the fertilizer discharge port of the nozzle tip 36a is located above the supply place of the fertilizer hopper 21 at the same or substantially the same interval. 36 is the axis P1
While revolving around and expanding and contracting, the supply path 32
The fertilizer from is dropped and supplied to the fertilizer hopper 21.

The distribution means of FIG. 3 is composed of an automatically expandable / contractible supply nozzle 37 attached to the tip of the replenishing passage 32 so as to be rotatable about a vertical axis P2 of the machine body. That is, so that the nozzle tip 37a of the supply nozzle 37 reciprocates in the lateral direction along the fertilizer hopper 21, and when the supply nozzle 37 feeds to any part of the fertilizer hopper 21, the fertilizer discharge of the nozzle tip 37a is performed. From the replenishment path 32 while the supply nozzle 37 rotates about the axis P2 and expands and contracts so that the outlet is located above the supply location of the fertilizer hopper 21 at the same or substantially the same interval. The fertilizer is dropped and supplied to the fertilizer hopper 21.

The distribution means of FIG. 4 is a pair of left and right conveyors 38, 38 rotatably driven inside the fertilizer hopper 21.
Consists of The left and right conveyors 38, 38 are made of a spiral wire rod, and are supplied from the replenishment path 32 to the fertilizer hopper 2.
By transporting the fertilizer dropped and supplied to the central portion in the left-right direction of 1 toward the lateral outside of the fertilizer hopper 21,
The fertilizer stored in the fertilizer hopper 21 is leveled so as to be uniformly accumulated in the lateral direction of the machine body.

The distribution means shown in FIG. 5 is composed of a leveling tool 39 provided inside the fertilizer hopper 21 and capable of being driven and rotated. This leveling tool 39 is provided with a feed shaft 40 which can be driven and rotated, so that the fertilizer hopper 2
1 is reciprocally transferred in the lateral direction and dropped from the replenishment path 32 to the central portion of the fertilizer hopper 21 in the left-right direction, and is transported toward the lateral outer side of the fertilizer hopper 21 to be stored in the fertilizer hopper 21. It acts evenly on the fertilizers so that the fertilizer is accumulated in the lateral direction of the machine.

[0017]

As described above, the fertilizer is stored at a lower level position than the upper end of the rear wheel between the front and rear wheels of the self-propelled machine so that the weight of the fertilizer is not applied to the seedling planting device. Can be stored toward the self-propelled aircraft. In comparison, the fertilizer weight can be distributed to the front wheel side and the rear wheel side at a low level so that the weight of the machine can be kept low, and the front weight and the rear weight can be well balanced. It was
Moreover, it was possible to easily supply fertilizer directly from the ridge using the fertilizer input container.

In the claims, reference numerals are provided for convenience of comparison with the drawings, but the present invention is not limited to the configuration shown in the attached drawings.

[Brief description of drawings]

FIG. 1 is a side view of the entire rice transplanter with a riding type fertilizer applicator.

FIG. 2 is a sectional view showing a fertilizer distributing means of a fertilizer hopper.

FIG. 3 is a plan view showing the fertilizer distributing means of the fertilizer hopper.

FIG. 4 is a sectional view showing a fertilizer distributing means of a fertilizer hopper.

FIG. 5 is a sectional view showing a fertilizer distributing means of a fertilizer hopper.

[Explanation of symbols]

 10 Seedling planting apparatus 20 Fertilizer application apparatus 21 Fertilizer hopper 30 Fertilizer tank 32 Supply path 33 Supply path 34 Fertilizer input container

Claims (1)

[Claims] 1. A seedling planting device (10) is connected to a rear portion of a self-propelled machine so as to be capable of moving up and down, has a fertilizer hopper (21), and feeds a granular fertilizer from the fertilizer hopper (21) to a field. The fertilizer application device (20) is the seedling planting device (1
0) is a rice transplanter equipped with a fertilizer application, wherein a fertilizer tank (30) connected to the fertilizer hopper (21) via a replenishment path (32) is connected to the front and rear wheels of the self-propelled machine. It is installed at a level lower than the upper end of the rear wheel between them, and the fertilizer tank (30) is connected to the supply passage (3
3) A rice transplanter with a fertilizer application, which is provided with a fertilizer feeding container (34) connected to supply fertilizer via 3) at the front end of the self-propelled machine.