JP3302194B2 - Fertilizer application equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fertilizer which is mounted on a leveling float of a working machine which slides on a rice field and applies fertilizer to soil.

[0002]

2. Description of the Related Art In general, some planting machines such as rice transplanters apply fertilizer simultaneously with planting of seedlings. These fertilizers are used to prevent the fertilizer from flowing out and to improve the fertilizing effect. In order to raise the height, a fertilizer application nozzle that extends rearward and downward is provided on a leveling float that slides on a rice field to fertilize soil.

[0003]

However, in the case where the fertilizer application nozzle extending downward and rearward is provided on the leveling float,
Since the fertilizer nozzle moves in the soil with the travel of the aircraft, impurities such as straw waste scattered in the field may stay at the start end of the fertilizer nozzle, and a plurality of fertilizer nozzles are provided. When soil is fertilized in a plurality of stages above and below, impurities may be caught on the fertilization nozzles in the upper stage, and the impurities may be interposed between the upper and lower fertilization nozzles. Therefore it wider groove is formed in the traveling locus of fertilization nozzle, fertilization fertilizer was Tsu Kotogaa to washout without being completely buried. On the other hand, the fertilizer application nozzle that extends rearward and downward tends to rotate the leveling float in a forward-downward direction due to the resistance of the soil and the like. And the fertilizer application might be unstable.

The present invention has been made in view of the above-described circumstances, and has as its object to provide a plurality of fertilizer nozzles extending downward and rearward to perform soil fertilization in a plurality of upper and lower stages. However, compared to the conventional method, it is possible to prevent foreign substances such as straw waste from staying in the fertilizing nozzle or being pinched between the upper and lower fertilizing nozzles, and soil resistance acts on the fertilizing nozzle. Another object of the present invention is to provide a fertilizer that can hold the leveling float as stable as possible even if the leveling float is rotated in a forward-downward direction.

[0005]

In order to solve the above-mentioned problems, a technical means taken by the present invention is a fertilizer device mounted on a vertically movable terrain float provided on a working machine, the pivot shaft rearward of the leveling float, a plurality of fertilizer nozzles with extending rearwardly downwardly to soil fertilization vertically plurality of stages, to the leveling float and <br/> top above the pivot shaft front A guide body is provided in front of the fertilizer nozzle for applying fertilizer in the lower stage and presses foreign substances such as straw chips into the soil, and the guide body is sequentially deeply penetrated from the front to the rear in a side view. The rear end portion is located below the fertilizing nozzle for fertilizing the uppermost stage.

[0006]

Therefore, according to the present invention, a plurality of fertilizing nozzles provided on the leveling float and extending rearward and downward apply fertilizer in the soil in a plurality of upper and lower stages as the aircraft travels. And the leveling flow
The guide body provided in front of the fertilizer application nozzle on the front side of the rotation shaft and at the lowermost stage presses foreign substances such as straw chips scattered in the field into the soil. In addition, since the guide body is gradually deeper into the soil from the front to the rear as viewed from the side, the contaminants are gradually pressed down to a place deeper than the field scene, and the lowermost fertilizing nozzle takes over and further contaminants Hold down. In addition, since the rear end of the guide body is located below the fertilizing nozzle for applying fertilizer at the uppermost stage, impurities may stay at the starting end of the fertilizing nozzle, It is not trapped between them.
Also, even if the soil resistance or the like acts on the fertilizing nozzle that extends downward and downward, it tries to rotate the leveling float forward and downward,
The resistance of foreign substances acts on the guide body provided in front of the fertilizer application nozzle, and it tries to rotate the leveling float in a forward ascending shape. Keep it stable.

[0007]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a rice transplanter according to an embodiment of the present invention. First, in FIG. 1 and FIG.
Is a riding rice transplanter with five-row planting. A planting machine 3 as a working machine is connected to a rear portion of the traveling machine body 2.
Is equipped with a fertilizer device 4 for fertilizing soil in the soil simultaneously with planting. The traveling body 2 has an engine 8 mounted on a front part of a body frame 7 having a front wheel 5 and a rear wheel 6, and a driving operation unit 9 and a driving seat 10 disposed behind the engine 8.
The planting working machine 3 is connected to the rear of the body via a link mechanism 13 including an upper link 11, a lower link 12, and the like so as to be able to move up and down. Reference numeral 14 denotes a PTO shaft for transmitting power to the planting machine 2.

A fertilizer tank 1 for shallow layers is provided on both sides of the engine 8.
5 and 15 are arranged, and the fertilizer tank 15 for shallow layer is connected via a suction hose 17 to a fertilizer pump 16 for shallow layer arranged substantially at the center of the fuselage. 18 is a sub tank. One side of the driver's seat 10 has a fertilizer tank 1 for deep layer.
The deep fertilizer tank 19 is connected to a deep fertilizer pump 20 via a suction hose 21. Reference numerals 22 and 23 denote indicators provided above the lower link 12. The inlet side of one of the indicators 22 is connected to the shallow fertilizer pump 16 via hoses 24, 24.
Are connected to the fertilizer pump 20 for deep layers through 5, 25. 26 and 27 are operation levers of the indicators 22 and 23, and 28 and 29 are fertilizer return hoses.

[0009] The planting work machine 3 includes a seedling placing stand 30 to the left and right reciprocate been laid before high after low-shaped, are connected by a drive case 31 that is disposed below the該苗the platform 30 In the field scene which is composed of a triple planter case 32 and a vertically rotatable leveling float 33 mounted on the planter case 32 and the like, the leveling float 33 slides with the running of the aircraft, and the leveling is performed, The rotary planting rod 34 attached to the rear end of the planter case 32 scrapes the seedlings from the seedling mounting table 30 to the unit planting plant and plant them.

As shown in FIG. 3, the leveling float 33 comprises a center float 33a and left and right side floats 33b. Each leveling float 33 is provided with a plurality of fertilizing nozzles extending rearward and downward. Therefore, fertilizer is applied to the soil in multiple layers up and down at the same time as seedling planting. In this embodiment, as the plurality of fertilizer application nozzles, a fertilizer application nozzle 35 for a shallow layer for application at the uppermost stage and a fertilization nozzle 36 for a deeper application at the bottom stage are provided in upper and lower two stages. That is, the center float 33a shown in FIGS.
In this case, the upper fertilizer application nozzle 35 is supported rotatably up and down via a support shaft 37, and its tip extended downward and backward is lower rearward than the rotation shaft 38 of the center float 33a that rotates vertically. It is open to. Further, a lower fertilizer nozzle 36 supported rotatably up and down via a support shaft 39 extends rearward from below the upper fertilizer nozzle 35 to the rear, and a rotating shaft 38.
It is open to the rear lower side of. Reference numeral 40 denotes a joint provided at the base end of the upper fertilizer nozzle 35, which is connected to the indicator 22 via a hose 41, and provided at the base end of the lower fertilizer nozzle 36. 42 is an indicator 23 via a hose 43
It is connected to. Reference numeral 44 denotes a fertilization depth adjustment lever of the upper fertilization nozzle 35, and reference numeral 45 denotes a fertilization depth adjustment lever of the lower fertilization nozzle 36.

The pivot 38 of the center float 33a
On the front side, a guide body 46 that is located in front of the deep-layer fertilization nozzle 36 for applying fertilizer in the lower stage and presses impurities such as straw chips into the soil is fixed to the lower surface of the float 33a. The guide body 46 is formed so as to be inclined so as to gradually enter the soil from the front to the rear in a side view, and the rear end portion 46a is positioned below the upper fertilizer application nozzle 35 so that the center is formed. The depth from the bottom surface of the float 33a is H> h. Guide body 46
A wedge-shaped recess a is provided at the rear end 46a of the
Then, the base end portion 36a of the lower fertilizer application nozzle 36 is made to enter in a wrapped shape, so that the foreign substances pressed by the guide body 46 are smoothly passed to the fertilizer application nozzle 36.

The fertilizing nozzle 36 is generally formed in a narrow portion where the rear end side is crushed from the left and right to reduce soil resistance, but the guide body 46 is provided with the fertilizing nozzle 36 as shown in FIG. By extending the guide body 46 to the rear from the narrow portion start end and making the width A of the guide body 46 narrower than the width B of the narrow portion of the fertilizer nozzle 36, the contaminants pressed by the guide body 46 can be narrowed by the narrow portion of the fertilizer nozzle 36. Has been taken over and held down. Furthermore, as shown in FIG. 7, by forming the width A of the guide body 46 smaller than the width B ′ of the reinforcing portion 36 b provided on the base end side of the fertilizing nozzle 36, the guide body 46 that has entered the soil can be removed. The width of the reinforcing portion 36b, the fertilizing nozzle 36, and the width of the fertilizing nozzle 36 gradually increase toward the rear.

The left and right side floats 33b are also
In exactly the same manner as above, a guide body 46 is fixed in front of the fertilizing nozzle 36 for applying fertilizer to the lower stage. It is needless to say that the fertilizer application nozzle may be provided in two or more upper and lower stages. In short, a guide member is provided in front of the lowermost fertilizer nozzle, and the rear end of the guide member is located below the uppermost fertilizer nozzle. Should be located at

In the above configuration, the leveling float 33 slides in the field scene with the running of the body, the planting rod 34 plants the seedlings, and the fertilizing nozzle provided on the leveling float 33 and extending downward and rearward. From 35, 36, fertilize the soil in two steps up and down. And even if foreign substances such as straw waste are scattered in the field, the guide body 46 provided in front of the fertilizing nozzle 36 for applying fertilizer at the lowest stage and gradually entering the soil rearward in a rear view as viewed from the side is provided. Gradually, and then guide body 4
Fertilization nozzle 36 that enter invasion rap shape recesses a of 6 presses deeper taken over contaminants smoothly. Moreover, the rear end portion 46a of the guide body 46 is connected to the upper fertilizing nozzle 35.
Is located lower than the fertilizer nozzle 3
6, the fertilizer application nozzle 35,
36 are prevented from being pinched, and the contaminants are left buried in the soil.

The width is gradually increased from the guide body 46 which has entered the soil to the reinforcing part 36b and the fertilizing nozzle 36, and the soil is first pushed left and right by the guide body 46, and then the reinforcing part 36b Since the fertilizer nozzle 36 gradually pushes out the soil gradually, the load applied to the fertilizer nozzle 36 can be dispersed to the guide body 46, and the strength of the fertilizer nozzle 36 can be reduced. Fertilizing nozzle 3 can be narrow
Grooves of paddy decreases by 6, also it is possible to improve the progressive in soil fertilization nozzle 3 6. on the other hand,
The soil resistance acts on the fertilizer application nozzle 36, and the leveling float 3
Float 3
Since third guide member 46 provided in the front to try to rotate the ground leveling float 3 3 before up like, be held in these conditions the force is as far as possible stable ground leveling float 33 to offset it can.

[0016]

In summary, the present invention relates to a fertilizer device mounted on a work implement with a vertically rotatable leveling float provided on a working machine, wherein a plurality of fertilizing nozzles are provided behind a rotary shaft of the leveling float. with extending rearwardly downwardly to soil fertilization vertically plurality of stages, to the leveling float above the pivot shaft front
In addition, a guide body is provided in front of the fertilizing nozzle for applying fertilizer at the lowermost stage and presses foreign substances such as straw chips into the soil, and the guide body is sequentially deeper and deeper from the front to the rear in a side view. It is located below the fertilizer nozzle that fertilizes the rear end at the uppermost stage, so the fertilizer nozzles provided on the leveling float are used to fertilize the soil in multiple stages up and down, while the lowermost stage The guide body provided at the front position of the fertilizing nozzle for applying fertilizer gradually suppresses foreign substances such as straw waste from the front to the back in the soil gradually, and furthermore, the rear end of the guide body applies fertilizer to the uppermost stage. Since the foreign matter is held at a position below the fertilizer nozzle, the foreign matter is
Or staying at the start end, does not or is sandwiched between upper and lower fertilization nozzle. And even if the fertilizer application nozzle extended to the rotation axis rear side of the leveling float attempts to rotate the leveling float forward and downward due to the resistance of the soil, the guide body provided on the rotation axis front side of the leveling float, Since the leveling float is to be rotated in a forward-upward direction by the resistance when holding foreign substances, these forces cancel out and fertilizer is applied in the soil while keeping the leveling float as stable as possible. Can be done.

[Brief description of the drawings]

FIG. 1 is an overall side view of a riding rice transplanter equipped with a fertilizer application device.

FIG. 2 is a plan view of the same.

FIG. 3 is an overall layout diagram of a leveling float.

FIG. 4 is a side view of the center float.

FIG. 5 is a plan view of the same.

FIG. 6 is an enlarged plan view of a part of the above.

FIG. 7 is an enlarged plan view showing the same reinforcing portion.

FIG. 8 is a plan view of a side float.

[Explanation of symbols]

 3 Planting work machine 4 Fertilizer application device 33 Leveling float 35 Upper fertilizer nozzle 36 Lower fertilizer nozzle 46 Guide body

Claims (1)

(57) [Claims] 1. A fertilizer device mounted on a work implement with a vertically rotatable leveling float provided on a work machine, comprising a plurality of fertilizing nozzles extending rearward and downward at a rear side of a rotation axis of the leveling float. while soil fertilization in a plurality of stages, the ground leveling float
The, located in front of fertilization nozzles fertilization the bottom and above the pivot shaft front side, a guide member to press the impurities such as straw waste in the ground, forward the guide member in a side view The fertilizer is characterized in that the fertilizer is made to penetrate deeply into the soil from the rear to the rear, and its rear end is located below the fertilizer nozzle for fertilizing the uppermost stage.