JPH1132531A - Fertilizing apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable the miniaturization of a fertilizing apparatus, by making a power transmission means for transmitting power to manuring pumps installed right and left into a simple structure so as to readily carry out assembly. SOLUTION: Plural manuring pumps 11 are installed side by side on the bottoms of manuring tanks 10 at both the sides of a right and left of a traveling machine body 4. A driving force from a transmission 16 is divided and transmitted by one driving shaft 17 through bevel gears 23a, 23b and 23c to a right and a left transmission shafts 18a and 18b and further transmitted through right and left connecting means 19a, 19b, 20a, 20b, 24a and 24b to the plural pumps 11 installed right and left. Consequently a power transmitted from the transmission 16 through the power transmission means to the right and left manuring pumps 11 transports a fertilizer from the manuring tanks 10 to manuring pipes 12.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fertilizer applied to a mobile agricultural machine such as a rice transplanter, and more particularly, to a fertilizer capable of providing a degree of freedom in design.

[0002]

2. Description of the Related Art In a conventional rice transplanter, for example, a planting section is connected to a rear of a traveling machine body via a link mechanism so as to be able to move up and down, and the link mechanism is operated by a hydraulic cylinder device to raise and lower the planting section. Some of such rice transplanters are equipped with a fertilizer application device that sprays fertilizers essential for growing seedlings.

In this fertilizer application device, a fertilizer tank is disposed on the front side in consideration of the balance of the traveling machine, and a fertilizer pump for feeding liquid fertilizer is disposed below a driver's seat of the traveling machine. The tip nozzle of the fertilizer tube connected to the rear of the plant is extended to the float of the planting part.

[0004] By the way, in the above-mentioned fertilizer, when the fertilizer has a high viscosity, the fertilizer cannot be pumped by a normal fertilizer pump.

Therefore, in order to feed the fertilizer in the fertilizer tank from the tip nozzle of the fertilizer pipe to the field and apply the fertilizer, a plurality of fertilizer pumps corresponding to the number of fertilizer pipes are inserted into the bottom of the fertilizer tank. Configuration was considered.

In this case, the driving force output from the transmission via the engine is used to rotate wheels of the traveling machine body, operate a fertilizing pump for applying fertilizer to a field, or plant seedlings in a field. A power transmission mechanism for transmitting power to the planting section of the vehicle is disposed between the transmission and each section.

[0007]

However, in the above-mentioned conventional fertilizer, the fertilizer in the fertilizer tank is fertilized from the tip nozzle of the fertilizer tube to the field by the fertilizer pump. , A power transmission mechanism for transmitting power is provided,
In addition, since the power transmitting portion of the planting portion of the rice transplanter is provided in the vicinity thereof, it is necessary to provide the power transmitting mechanism and the power transmitting portion so as not to come into contact with each other.

For this reason, the degree of freedom in designing the power transmission mechanism of the fertilizer applicator is hindered, and the size of the fertilizer applicator cannot be reduced.
There has been a problem that assembly is complicated.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and has a simple structure of a power transmission means for transmitting power to a fertilizer application pump. It is an object to provide a possible fertilizer application.

[0010]

Therefore, in order to achieve the above object, the fertilizer applying apparatus according to the first aspect of the present invention comprises a fertilizer tank (10) for storing fertilizer on both left and right sides of a traveling machine body (4). The fertilizer tank (10)
2) a fertilizer is applied to the field via the fertilizer pipe (12), and the fertilizer is fed to the field via the fertilizer pipe (12) and connected to the bottoms of the left and right fertilizer tanks (10), respectively. A plurality of fertilizer application pumps (11), one drive shaft (17) for transmitting rotation from the transmission (16) to the plurality of fertilizer pumps (11), and rotation of the drive shaft (17). Right and left transmission shafts (18a, 18b) for distributing and transmitting left and right, and these left and right transmission shafts (18a, 18a).
18b) The rotation of the left and right fertilizer pumps (11)
Interlocking means (19a, 19b, 20a, 20
b, 24a, 24b).

The invention according to a second aspect is directed to the driving shaft (1).
(7) switching means (1) for switching the rotation transmitted to forward and reverse
6a).

According to a third aspect of the present invention, the drive shaft (1
7) to the left and right transmission shafts (18a, 18b) via bevel gears (23a, 23b), and the left and right fertilizer pumps (11) and the interlocking means (19a, 19).
b, 20a, 20b, 24a, 24b) are arranged symmetrically with respect to the center of the traveling body (4) in the width direction.

[Operation] Based on the above configuration, a plurality of fertilizer pumps (11) are connected to the bottom of the fertilizer tank (10) on both the left and right sides of the traveling machine body (4). Further, the driving force from the transmission (16) is distributed and transmitted to the left and right transmission shafts (18a, 18b) by one drive shaft (17), and further interlocking means (19a, 19b, 20a, 20).
b, 24a, 24b) through a plurality of fertilizer pumps (1
It is transmitted to 1).

The driving force of the transmission (16) is switched by a switching means (16a) so as to be able to rotate forward and reverse, and is transmitted to the fertilizer pump (11) via the power transmission means. Thereby, the power transmitted from the transmission (16) to the left and right fertilizer application pumps (11) via the power transmission means causes the fertilizer to be pumped from the fertilizer tank (10) to the fertilizer pipe (12) or the fertilizer pipe (12). ) To the fertilizer tank (10).

Further, the transmission (16)
Of the fertilizer pump (1) from the drive shaft (17)
8a, 18b) with bevel gears (23a, 23b, 23).
c) and transmitted via the interlocking means (19a, 19b, 20a, 20b, 24a, 24a, 20b) arranged symmetrically with respect to the center of the traveling body (4) in the width direction.
24b) is transmitted to the left and right fertilizer pumps (11).

Note that the reference numerals in parentheses described above refer to the drawings, and do not limit the configuration of the present invention.

[0017]

Embodiments of the present invention will be described below in detail with reference to the drawings. <First Embodiment> FIG. 1 is a side view showing a riding rice transplanter equipped with a fertilizer application device according to a first embodiment of the present invention, FIG. 2 is a plan view of the same, and FIG. FIG. 4 is an enlarged side cross-sectional view showing the main part of the fertilizer application, and FIG. 4 is an enlarged side view showing the main part of the fertilizer apparatus. FIG. 6 is a rear cross-sectional view, and FIG.

In FIG. 1 and FIG. 2, a riding rice transplanter 1 as a mobile agricultural machine is planted via a link mechanism 5 on a traveling machine body 4 supported by front wheels 2 and rear wheels 3 and a rear portion of the traveling machine body 4. The engine is disposed at a front portion of the traveling body 4 and covered with a hood 7, and a driver seat 8 is disposed at an intermediate portion of the traveling body 4. Further, a fertilizer tank 10 of a fertilizer 9 for applying a high-viscosity, low-fluidity paste fertilizer to a field, for example, is attached to a front portion of the traveling machine body 4.

As shown in FIG. 3, the fertilizer application device 9 includes a fertilizer tank 10 disposed so as to surround the front side of the bonnet 7 of the traveling machine body 4, and left and right auxiliary tanks connected to the bottom of the fertilizer tank 10. Screw pump 11 as a plurality of fertilizer application pumps which are provided through the section 10a and can feed the paste fertilizer in both the forward and reverse directions, and are connected to the respective pump sections 11b of the plurality of screw pumps 11 to form a paste. Fertilizer tube 12 for guiding fertilizer to tip nozzle 12a
The tip nozzle 12a is disposed near a float (see FIG. 1) 13 that supports the planting portion 6. The screw pumps 11 are arranged in the left and right auxiliary tank portions 10a in a substantially horizontal direction in a horizontal line by the same number as the number of planting lines of the planting portions 6.

The fertilizer tank 10 is mounted on a tank support pipe 15 mounted on the frame 14 of the traveling machine body 4. That is, fertilizer tank 1
0, the main tank main body 10b disposed on the left and right sides of the bonnet 7 is placed on and engaged with the tank support pipe 15, and the supply tank 10c is provided at the front of the traveling body 4 between the left and right main tank main bodies 10b. The auxiliary tank portion 10a is provided continuously at the bottom of the main tank body 10b on both the left and right sides. And the fertilizer supply port 10d is provided in the supply tank 10c, and at the bottom of the auxiliary tank portion 10a,
A drain 10e for discharging residual fertilizer remaining in the auxiliary tank portion 10a and the fertilizer tube 12 is provided.

A plurality of screw pumps 11, which are arranged symmetrically with respect to the center of the traveling body 4 in the width direction and in the horizontal direction, have their connection shafts 11c connected to the auxiliary tank 1
0a, and one end of the connecting shaft 11c
1a is connected, and the pump unit 11 is connected to the other end of the connection shaft 11c.
b is connected. In this case, the driving unit 11a is disposed toward the outside of the traveling body 4 and the pump unit 11b is disposed toward the inside of the traveling body 4.

The auxiliary tank 10a and the upstream side of the pump 11b communicate with each other so that the paste fertilizer stored in the auxiliary tank 10a passes around the connecting shaft 11c and is guided to the pump 11b. I have. A discharge port 11d for paste fertilizer is formed at the protruding end of the pump section 11b, and a fertilizer pipe 12 is connected to the discharge port 11d, although the connection state is not shown.

A driving force is transmitted to a drive shaft 17 from a transmission 16 for transmitting a rotational force for driving the traveling machine body 4. One drive shaft 17 is connected to the bevel gear 23a of the drive shaft 17 and the transmission shafts 18a, 18b so as to distribute the driving force to the left and right transmission shafts 18a, 18b via the bevel gears 23a, 23b, 23c.
And the bevel gears 23b and 23c. The transmission 16 is provided with switching means 16a for switching the rotation to be transmitted to the drive shaft 17 between normal and reverse.

The transmission shaft 18a is connected to a sprocket 19a.
The power transmission shaft 18 is connected to a sprocket 24a pivotally supported by a drive unit 11a of the left-hand screw pump 11 of the traveling machine body 4 through the transmission shaft 18 and the chain 20a.
b is connected via a sprocket 19b and a chain 20b so that power is transmitted to a sprocket 24b that is supported by a driving portion 11a of the right-hand screw pump 11 of the traveling machine body 4. These sprockets 19a, 19b, the chain 20a, 20b and sprockets 24a, 24b
The interlocking means is constituted by.

The drive section 11a and the pump section 11b of the left and right screw pumps 11 are both protruded from the auxiliary tank section 10a. The drive shaft 17, the bevel gears 23 a, 23 b, 23 c, the transmission shafts 18 a, 18 b and the interlocking means constitute a power transmission means.

The planting section 6 includes a seedling mounting table 21 and a planter 22 for planting seedlings supplied from the seedling mounting table 21.
And a float 13.

The operation of the fertilizer application device 9 configured as described above will be described.

While the riding rice transplanter 1 is running, the seedlings placed on the seedling placing table 21 are clamped one by one by the planter 22 of the planting section 6 and the arm of the planter 22 is turned to move the seedlings to the field. Are planted at predetermined intervals.

To apply the paste fertilizer to the field where the seedlings are planted, first, the power from the transmission 16 is supplied from the drive shaft 17 to the bevel gears 23a, 23b, 23.
c to the transmission shafts 18a and 18b for transmission.
In this case, the transmission shaft 18a and the transmission shaft 18b rotate in opposite directions. The rotation of the transmission shafts 18a, 18b is controlled by the sprockets 19a, 19b.
b, and is further distributed from the chains 20a, 20b to the drive units 11a of the screw pumps 11 disposed on the left and right outer sides of the traveling machine body 4 via sprockets 24a, 24b.

In this case, the transmission shaft 18a and the transmission shaft 18b rotate in directions opposite to each other, and the sprockets 19a, 19
b and the chains 20a, 20b, rotations in opposite directions are transmitted to the left and right screw pumps 11 of the traveling body 4;
1b are discharged inward from each other, so that a plurality of pump units 11b
From the fertilizer tube 12 to the paste fertilizer. That is, when the paste fertilizer is pumped from the pump unit 11b to the fertilizer tube 12 by one-way rotation of the drive shaft 17, the paste fertilizer in the fertilizer tube 12 is rotated by the pump unit 11b by the pump unit 11b by the other direction of rotation of the drive shaft 17. 1
0a can be sent back.

Therefore, when the fertilizer application is completed, if the paste fertilizer remains in the fertilizer pipe 12, the screw pump 11 is reversed to the time of fertilization to feed the paste fertilizer back into the auxiliary tank portion 10a. Can be done.

As described above, the fertilizer can be applied to the field by operating the plurality of screw pumps 11 inserted into the bottoms of the main tank bodies 10b on both the left and right sides and forcing the paste fertilizer into the fertilizer tube 12. Further, by operating the screw pump 11 so that the paste fertilizer in the fertilizer tube 12 is sent back to the auxiliary tank unit 10a, the paste fertilizer in the fertilizer tube 12 is removed from the auxiliary tank unit 10a.
Then, the paste fertilizer in the fertilizer tube 12 and the fertilizer tank 10 can be discharged from the drain 10d.

Thereafter, washing water is injected into the fertilizer tank 10 and the washing water is supplied through the screw pump 11 to the fertilizer pipe 12.
The inside of the fertilizer tube 12 can be washed by pumping the inside.

[0034]

As is apparent from the above description, according to the present invention, a plurality of fertilizer application pumps are connected to the bottoms of the fertilizer tanks on the left and right sides of the traveling machine body, and the driving force from the transmission is applied to one drive shaft. By distributing the power to the left and right transmission shafts and transmitting it to the left and right fertilizer pumps via the interlocking means, the power transmission means for transmitting the power to the fertilizer pump is simple and easy to assemble. age,
The effect that the apparatus can be miniaturized is obtained.

The driving force of the transmission is switched by the switching means so as to be able to rotate forward and reverse, and is transmitted to the fertilizing pump via the power transmitting means. Power transmitted through the fertilizer tank can be pumped from the fertilizer tank to the fertilizer tube, or can be sent back from the fertilizer tube to the fertilizer tank, eliminating waste of the fertilizer and facilitating cleaning of the fertilizer tube be able to.

Further, the driving force of the transmission is:
The bevel gears are distributed and transmitted from the drive shaft to the left and right fertilizer pumps via bevel gears, and further transmitted to the left and right fertilizer pumps from interlocking means arranged symmetrically with respect to the center in the width direction of the traveling machine body. The power in the forward or reverse direction can be easily transmitted to the left and right fertilizer pumps via the right and left, respectively, and the discharge ports of the left and right fertilizer pumps can be respectively arranged toward the inside of the traveling machine body. The size can be further reduced.

[Brief description of the drawings]

FIG. 1 is a side view showing a riding rice transplanter equipped with a fertilizer application according to a first embodiment of the present invention.

FIG. 2 is a plan view of the same.

FIG. 3 is an enlarged plan sectional view showing a main part of the fertilizer application.

FIG. 4 is an enlarged side view showing the essential parts of the fertilizer application.

FIG. 5 is an enlarged rear sectional view showing a main part of the fertilizer application.

FIG. 6 is a plan view showing only a tank part of the same.

[Description of Signs] 4 Running body 10 Fertilizer tank 11 Fertilizer application pump 12 Fertilizer tube 16 Transmission 17 Power transmission means (drive shaft) 18a Power transmission means (transmission shaft) 18b Power transmission means (transmission shaft) 19a Interlocking means (sprocket) 19b Interlocking means (sprocket) 20a Interlocking means (chain) 20b Interlocking means (chain) 23a Power transmission means (bevel gear) 23b Power transmission means (bevel gear) 24a Interlocking means (sprocket) 24b Interlocking means (sprocket)

Claims (3)

[Claims] 1. A fertilizer device comprising: a fertilizer tank for storing fertilizer mounted on both left and right sides of a traveling machine body; and a fertilizer is applied from the fertilizer tank to a field via a fertilizer tube. A plurality of fertilizer pumps respectively connected to the bottoms of the left and right fertilizer tanks so as to pump fertilizer to the fertilizer tank; a drive shaft for transmitting rotation from a transmission to the plurality of fertilizer pumps; Power transmission means having left and right transmission shafts for distributing and transmitting the rotation of the right and left, and interlocking means for transmitting the rotation of these left and right transmission shafts to the plurality of left and right fertilization pumps. Characteristic fertilizer device. 2. The fertilizer applicator according to claim 1, further comprising a switching unit that switches between forward and reverse rotations transmitted to the drive shaft. 3. The right and left transmission shafts are transmitted from the drive shaft to the left and right transmission shafts via bevel gears, and the left and right fertilizer application pumps and the interlocking means are symmetrical with respect to the center of the traveling machine body in the left and right width direction. The fertilizer application device according to claim 1, wherein the fertilizer device is arranged so that