JP2004344117A - Local fertilizing apparatus - Google Patents

Local fertilizing apparatus Download PDF

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Publication number
JP2004344117A
JP2004344117A JP2003147097A JP2003147097A JP2004344117A JP 2004344117 A JP2004344117 A JP 2004344117A JP 2003147097 A JP2003147097 A JP 2003147097A JP 2003147097 A JP2003147097 A JP 2003147097A JP 2004344117 A JP2004344117 A JP 2004344117A
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Japan
Prior art keywords
fertilizer
excavation
pipe
case
traveling
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JP2003147097A
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Japanese (ja)
Inventor
Kaoru Ebisawa
薫 蛯沢
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Sasaki Corp
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Sasaki Corp
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Priority to JP2003147097A priority Critical patent/JP2004344117A/en
Publication of JP2004344117A publication Critical patent/JP2004344117A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a local fertilizing apparatus capable of performing the optimum local fertilization work independent of the soil condition. <P>SOLUTION: The local fertilizing apparatus has a digging and fertilizing part provided with a digging case attached in a manner crossing the moving direction of the vehicle body and rotating in the direction same as the rotating direction of the driving shaft of the traveling part, a digging screw blade radially extending from the digging case and rotating on its axis in the extension direction, and a fertilizing pipe radially extending from the digging case rear side of the rotational direction of the digging screw blade rotating around the digging case, having a tubular form to pass the fertilizer through the tube and applying the fertilizer from the end. The fertilizing opening opened on the end of the fertilizing pipe is opened in a direction crossing the moving direction of the machine body to enable smooth fertilization of the soil without causing the clogging of the fertilizing opening under any soil condition such as clay land. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

【0001】
【発明の属する技術分野】
本発明は、局所的に土壌を掘削し、土中に肥料を施肥する局所施肥装置に関する。
【0002】
【従来の技術】
従来技術として、本体の進行方向に対して交差方向を取るように本体に取付られるとともに駆動体回転軸の回転方向と同方向に回転される掘削刃回転軸と、掘削刃回転軸から放射状をとるように掘削刃回転軸に基部が取り付けられ掘削刃回転軸を回転中心として回転されるとともに、基部から先端方向に延長される仮想中心線を回転中心として回転される螺旋刃と、掘削刃回転軸を回転中心として回転される螺旋刃の回転方向後方に掘削刃回転軸から放射状をとるように掘削刃回転軸に基部が取り付けられるとともに、筒状からなり内部に供給される肥料を先端から放出する肥料放出管とから構成され、螺旋刃と肥料放出管すなわち施肥パイプを回転させながら進行し、螺旋刃を土壌に対し局所的に掘削しながら施肥パイプを突き刺し、パイプ内を通過する肥料を土中に施肥する施肥装置が公知である。(特許文献1)
【0003】
又、肥料を供給する施肥パイプの構成として、作業進行方向に対し対向する面すなわち施肥パイプの回転方向に対し、後方となる面に肥料供給孔を開口させることで、施肥パイプ内に土が詰まりにくく良好な施肥作業が行えるという試験結果が公表されている。(非特許文献1)
【0004】
【特許文献1】
特開2001‐61318号公報
【非特許文献1】
「果樹栽培管理機開発事業受託研究報告書」,生物系特定産業技術研究推進機構農業機械化研究所,平成10年3月,p7−10
【0005】
【発明が解決しようとする課題】
しかしながら、従来技術の構成では螺旋刃の直後に肥料供給管の肥料供給孔を開口しているため、粘土地等の土壌条件では螺旋刃と肥料供給管の肥料供給孔の間に土の壁が形成され、肥料供給孔を塞いでしまうという課題がある。
【0006】
又、螺旋刃により肥料供給孔に土が押し込められ詰まりの原因となっていた。そして、土壌条件の固い圃場では螺旋刃は駆動されるので土中に突き刺さっていくが、肥料供給管が土中に突き刺さることができず施肥作業が行えないことがあった。
【0007】
そこで本発明は、あらゆる土壌条件において、適正な局所施肥作業が行える局所施肥装置を提供することを目的とする。
【0008】
【課題を解決するための手段】
上記課題を解決するために、機体の進行方向に対し交差方向となるよう取付けられるとともに、走行駆動部の走行駆動軸の回転方向と同方向に回転される掘削ケースと、この掘削ケースより放射状に延設され、延設方向を回転中心とし自転する掘削螺旋刃と、掘削ケースを回転中心とし回転される掘削螺旋刃の回転方向後方に掘削ケースより放射状に延設され、内部を肥料が通過するよう筒状とし先端部より施肥する施肥パイプとからなる掘削施肥部を設けた局所施肥装置において、施肥パイプの先端部に開口させた施肥開口部を機体進行方向に対し交差する方向に開口したことにより、粘土地等の土壌条件においても施肥開口部を塞ぐことがなく土中施肥作業がスムーズに行える。
【0009】
機体の進行方向に対し交差方向となるよう取付けられるとともに、走行駆動部の走行駆動軸の回転方向と同方向に回転される掘削ケースと、この掘削ケースより放射状に延設され、延設方向を回転中心とし自転する掘削螺旋刃と、掘削ケースを回転中心とし回転される掘削螺旋刃の回転方向後方に掘削ケースより放射状に延設され、内部を肥料が通過するよう筒状とし先端部より施肥する施肥パイプとからなる掘削施肥部を設けた局所施肥装置において、施肥パイプは先端部に開口した施肥開口部を有し、施肥パイプ内には、施肥パイプの長手方向を中心に回転される繰出軸と、前記施肥開口部の内側になる繰出軸の先端部の外周に放射状に設けた排出板と、排出板より掘削ケース側に設けたオーガにより構成された排出体を設けたことにより、施肥パイプ内に入り込もうとする土を強制的に排除することができるので、施肥開口部を塞ぐことがなく土中施肥作業がスムーズに行える。
【0010】
機体の進行方向に対し交差方向となるよう取付けられるとともに、走行駆動部の走行駆動軸の回転方向と同方向に回転される掘削ケースと、この掘削ケースより放射状に延設され、延設方向を回転中心とし自転する掘削螺旋刃と、掘削ケースを回転中心とし回転される掘削螺旋刃の回転方向後方に掘削ケースより放射状に延設され、内部を肥料が通過するよう筒状とし先端部より施肥する施肥パイプとからなる掘削施肥部を設けた局所施肥装置において、施肥パイプの長手方向視にて、施肥パイプの先端部と掘削螺旋刃の先端部が重なるように掘削螺旋刃の先端部を径大としたことにより、固い土壌条件においても掘削螺旋刃が施肥パイプの突き刺し部分を掘削し柔らかくするので、施肥パイプが土中に刺さり込みやすくなりスムーズな土中施肥作業が行える。
【0011】
【発明の実施の形態】
本発明を実施した図面に基づいて構成を説明する。図1は側面図、図2は一部断面とした斜視図、図3は正面図、図4は掘削施肥部を示す断面平面図、図5は掘削施肥部の掘削作業を示す作用図、図6は掘削施肥部の施肥作業を示す作用図である。
【0012】
図1,図2,図3に基づいて局所施肥装置Aの構成を説明する。本発明における局所施肥装置Aは、機体を前後進される走行駆動部1と、圃場に掘削穴を開け土中に肥料を施肥する掘削施肥部2と、肥料を貯留し前記掘削施肥部2へ肥料を供給する貯留供給部3から構成される。
【0013】
走行駆動部1は、フレーム11と、フレーム11に載置されたエンジン12と、エンジン12の下部に配置され、エンジン12からの回転駆動力を入力し減速する走行ミッション13と、走行ミッション13より左右に延設され減速された回転駆動力にて回転する走行駆動軸14と、走行駆動軸14の外方端部に設けられ走行駆動軸14が回転することにより駆動され、機体を前後進させるクローラからなる走行体15から構成される。
【0014】
フレーム11にはエンジン12を載置するメインフレーム11aと、メインフレーム11aに対し上下回動自在とした回動フレーム11bにて構成され、回動フレーム11bは掘削施肥部2と貯留供給部3が配置される。回動フレーム11bは平行リンク機構からなり、配置された掘削施肥部2と貯留供給部3は、水平方向を保持したまま昇降動作をする。昇降駆動手段として、メインフレーム11aと回動フレーム11bに伸縮手段であるシリンダ11cが架設され、伸縮動作することにより掘削施肥部2と貯留供給部3を昇降させ、掘削の必要のない場所での移動や点検時に掘削施肥部2と貯留供給部3を持ち上げることができる。
【0015】
エンジン12は、回転駆動力を出力するエンジン出力軸12aを突設しており、エンジン出力軸12aの端部に駆動プーリ12bが設けてある。走行ミッション13は、エンジン12の回転駆動力を入力する走行入力軸13aが突設しており、走行入力軸13aの端部に走行被動プーリ13bが設けてある。
【0016】
前記駆動プーリ12bと前記走行被動プーリ13bにはベルトaが巻架され、エンジン12より出力される回転駆動力が走行ミッション13へ入力される。走行ミッション13に入力された回転駆動力は減速され、走行駆動軸14を回転させ走行体15のクローラを駆動する。走行体15は、機体を前後進可能とすれば車輪を用いても良い。
【0017】
2の掘削施肥部は、機体進行方向Fに延設した掘削施肥駆動体21と、掘削施肥駆動体21が連結される掘削施肥ミッション22と、掘削施肥ミッション22の進行方向に対し直交する内方側面に地面に対し水平に取付けられた掘削ケース23と、掘削ケース23より放射状に延設した掘削螺旋刃24と、回転駆動される掘削ケース23より放射状に延設し、前記掘削螺旋刃24の回転方向後方に配置された施肥パイプ25から構成され、前記回動フレーム11bに配置される。
【0018】
掘削施肥駆動体21は、フレーム11のメインフレーム11aに両端を軸支され進行方向に延設した掘削施肥駆動軸21aと、掘削駆動軸21aの一端に設けた掘削被動プーリ21bと、掘削施肥駆動軸21aの他端と掘削施肥ミッション22を連結するドライブシャフト21cが設けられ構成される。掘削被動プーリ21bと、エンジン出力軸12aに設けた駆動プーリ12bにはベルトbが巻架され、エンジン12から回転駆動力はベルトbを介して掘削施肥駆動軸21aへ伝達される。
【0019】
掘削施肥ミッション22は、進行方向に対し後方へ突設させた掘削施肥入力軸22aと、図4に示すように掘削施肥ミッション22内に設けたベベルギヤ22b,22bから構成され、掘削施肥入力軸22aは、前記掘削施肥駆動体21のドライブシャフト21cが連結され、エンジン12の回転駆動力が入力される。入力された回転駆動力は、ベベルギヤ22b,22bを介して90°変換され掘削ケース23へ出力される。
【0020】
掘削ケース23は、掘削施肥ミッション22の進行方向Fに対し内方側面に回転自在に嵌合され、且つ地面に対し水平方向に延設される。内部に掘削駆動軸23aが設けてあり、掘削ミッション22のベベルギヤ22b,22bを介し出力される回転駆動力を入力し回転するとともに、掘削ケース23を走行駆動軸14と同方向に回転駆動される。
【0021】
掘削螺旋刃24は、先端部を径大としたコイル状のコイル刃からなり、基部を前記掘削駆動ケース23に取付け放射状に延設される。掘削螺旋刃24は、掘削ケース23より回転駆動力を入力し延設方向を回転中心とし回転駆動され、掘削螺旋刃24の先端が圃場に突き刺さるよう自転回転する。
【0022】
施肥パイプ25は、円筒状で先端部に円錐状の突刺部25aと、機体進行方向Fに対し交差する方向に施肥開口部25bを有してなり、走行駆動軸14と同方向に回転する掘削ケース23に設け自転する掘削螺旋刃24の回転方向後方に掘削ケース23の回転中心より放射状をとるよう掘削ケース23に取付けられる。
【0023】
又、施肥パイプ25の内部には、図4に示すように施肥パイプ25aの長手方向中心に、前記掘削ケース23より延設させた回転駆動する繰出軸25cが設けてあり、この繰出軸25cの先端部には繰出軸25cの回転中心より放射状に設けた排出板25dと、排出板25dより掘削ケース23側の内方に螺旋状としたオーガ25eからなる排出体が設けてある。
【0024】
本実施例では、図示されるように、先端部を径大とした掘削螺旋刃24を放射方向に一対設け、この一対の掘削螺旋刃24の中間に施肥パイプ25を配置することにより施肥パイプ25の長手方向視にて、施肥パイプ25の先端部を掘削螺旋刃24の先端部が重なり、施肥パイプ25の圃場に対する突刺し部分を掘削し柔らかくすることができる。又、一対の掘削螺旋刃24と、一対の掘削螺旋刃24の中間に配置した施肥パイプ25を掘削ユニットとし、この掘削ユニットを掘削ケース23を挟んで対向させるとともに90°位相させ、2列に並べて計4個配置される。
【0025】
3の貯留供給部は、肥料を貯留するホッパ31と、ホッパ31の底面に開口部を形成するシャッタ32と、肥料を施肥パイプ25へ供給する供給ドラム33と、シャッタ32にて形成された開口部より吐出された肥料を供給ドラム33へ案内する案内管34と、前記掘削施肥ミッション21の進行方向前方に連結されたアジテータ駆動ミッション35と、アジテータ駆動ミッション35より上方へ突設したアジテータ駆動軸36と、アジテータ駆動軸36の先端部でホッパ31内に設けたアジテータ37から構成される。
【0026】
ホッパ31は略逆四角錐状からなり、肥料を貯留可能とする。シャッタ32は、開口部を有した底板32aと、開口部の下面をスライド自在としたシャッタ板32bからなり、底板32aの開口部とシャッタ板32bの重合量に応じシャッタ開度量が調節可能で、シャッタ開度量に応じてホッパ32内に貯留した肥料の吐出量が決定される。
【0027】
33の供給ドラムは、円錐台カバー33aと、供給管33b,33cから構成され、円錐台カバー33aの径大面が掘削ケース23に取付けられ、掘削ケース23の回転とともに回転される。そして、供給管33bはホッパ31側の内方施肥パイプ25と連結され、供給管33cは外方の施肥パイプ25と連結される。
【0028】
34の案内管は、シャッタ32にて形成される開口部と、前記供給ドラム33とを連結するもので、シャッタ32のシャッタ開度量に応じ吐出される肥料が案内管34を介して供給ドラム33へ供給される。
【0029】
35のアジテータ駆動ミッションは、掘削施肥ミッション22の掘削施肥入力軸22aより回転駆動力が伝達され、内部に備えられたウォームギヤ35aにより減速され上方へ突設したアジテータ駆動軸35を回転させる。回転するアジテータ駆動軸35の先端部に連結され、シャッタ32の上面を沿うよう配置されたアジテータ36は、回転することによりシャッタ開口部より肥料をスムーズに吐出させることが可能となる。
【0030】
図5,図6に示すように、施肥作業は、機体走行と同時に掘削螺旋刃24がf1方向に自転しながら掘削ケース23がf2方向へ回転する。掘削ケース23の回転中心は、機体進行方向Fとともに水平移動されるので掘削螺旋刃24及び施肥パイプ25は、圃場面を局所的に掘削する。掘削螺旋刃24は、施肥パイプ25の先端部25aと重なるよう径大としているため、施肥パイプ25の突刺部を砕土するので、施肥パイプ25は土中へ刺し込み易くなる。又、施肥パイプ25の先端部に設けた円錐部25aにて掘削螺旋刃24による砕土が荒く、固い圃場でも土中へ刺し込み易くしている。
【0031】
そして、ホッパ31よりシャッタ32を介して吐出された肥料は、図6に示すように案内管34を通過し供給ドラム33へ流れ込み、供給ドラム33の円錐台カバー33aに一時的に貯留される。供給ドラム33が回転することにより、供給管33b,33cの開口部が肥料の貯留部にくると肥料は供給ドラム33を通過し、施肥パイプ25内に供給される。施肥パイプ25内に供給された肥料は自然落下し、施肥パイプ25の先端部内すなわち施肥開口部25bの内側に設けた排出板25d、及びオーガ25eからなる排出体にて、進行方向に対し交差する方向へ開口させた施肥開口部25bより強制的に土中へ放出され施肥される。
【0032】
施肥開口部25bを進行方向に対し交差する方向へ開口させたことにより、施肥パイプ25内への土の入り込みが軽減される。排出板25d及び25eからなる排出体は強制的に肥料を土中に放出するのと同時に、施肥パイプ25内へ入り込もうとする土を排除する役目もする。
【0033】
【発明の効果】
以上のように構成された局所施肥装置は、粘土地等の土壌条件においても機体進行方向に対し交差する方向に開口した施肥開口部を砕土された土で塞ぐことがなく、スムーズに土中施肥作業が行える。
【0034】
又、施肥パイプ内に入り込もうとする土を施肥開口部の内側に設けた回転する排出板とオーガからなる排出体にて強制的に排除することができるので、施肥開口部を塞ぐことがなく土中施肥作業がスムーズに行える。
【0035】
又、固い土壌条件においても掘削螺旋刃の先端部を径大としたことにより、掘削螺旋刃が施肥パイプの突き刺し部分を掘削し柔らかくするので、施肥パイプが土中に刺さり込みやすくなりスムーズな土中施肥作業が行える。
【図面の簡単な説明】
【図1】側面図
【図2】一部断面とした斜視図
【図3】正面図
【図4】掘削施肥部を示す断面平面図
【図5】掘削施肥部の掘削作業を示す作用図
【図6】掘削施肥部の施肥作業を示す作用図
【符号の説明】
1 走行駆動部
11 フレーム
11a メインフレーム
11b 回動フレーム
11c シリンダ
12 エンジン
12a エンジン出力軸
12b 駆動プーリ
13 走行ミッション
13a 走行入力軸
13b 走行被動プーリ
14 走行駆動軸
15 走行体
2 掘削施肥部
21 掘削施肥駆動体
21a 掘削施肥駆動軸
21b 掘削被動プーリ
21c ドライブシャフト
22 掘削施肥ミッション
22a 掘削施肥入力軸
22b ベベルギヤ
23 掘削ケース
23a 掘削駆動軸
24 掘削螺旋刃
25 施肥パイプ
25a 円錐部
25b 施肥開口部
25c 繰出軸
25d 排出板
25e オーガ
3 貯留供給部
31 ホッパ
32 シャッタ
32a 底板
32b シャッタ板
33 供給ドラム
33a 円錐台カバー
33b,33c 供給管
34 案内管
35 アジテータ駆動ミッション
35a ウォームギヤ
36 アジテータ
a,b ベルト
A 局所施肥装置
F 進行方向
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a local fertilizer that excavates soil locally and fertilizes the soil.
[0002]
[Prior art]
As a conventional technique, a digging blade rotation shaft that is attached to a main body so as to take a direction crossing the traveling direction of the main body and is rotated in the same direction as the rotation direction of a driving body rotation shaft, and radiates from the digging blade rotation shaft A helical blade that has a base attached to the digging blade rotation axis, is rotated about the digging blade rotation axis as a rotation center, and is rotated about a virtual center line extending from the base toward the distal end as a rotation center, and a digging blade rotation axis The base is attached to the excavating blade rotating shaft so as to radiate from the excavating blade rotating shaft behind the rotating direction of the spiral blade rotated about the center of rotation, and the fertilizer that is formed in a cylindrical shape and supplied inside discharges from the tip The fertilizer discharge pipe is composed of a fertilizer discharge pipe, and proceeds while rotating a spiral blade and a fertilizer discharge pipe, that is, a fertilizer application pipe. Fertilization device for fertilization the fertilizer through the inner to the soil are known. (Patent Document 1)
[0003]
In addition, as a configuration of the fertilizer application pipe for supplying fertilizer, the soil is clogged in the fertilizer application pipe by opening a fertilizer supply hole on a surface facing the work progress direction, that is, a surface behind the rotation direction of the fertilizer application pipe. Test results have shown that hard and good fertilizer application can be performed. (Non-Patent Document 1)
[0004]
[Patent Document 1]
Japanese Patent Application Laid-Open No. 2001-61318 [Non-Patent Document 1]
"Contracted Research Report on Fruit Tree Cultivation Management Machine Development Project", Research Institute for Agricultural Mechanization, Organization for Promoting Specific Biotechnology, March 1998, p.7-10
[0005]
[Problems to be solved by the invention]
However, in the configuration of the prior art, since the fertilizer supply hole of the fertilizer supply pipe is opened immediately after the spiral blade, the soil wall is formed between the spiral blade and the fertilizer supply hole of the fertilizer supply pipe in soil conditions such as clay. There is a problem that it is formed and closes the fertilizer supply hole.
[0006]
In addition, soil was pushed into the fertilizer supply hole by the spiral blade, causing clogging. In a field with hard soil conditions, the spiral blade is driven and pierces the soil, but the fertilizer supply pipe cannot penetrate the soil and fertilization work may not be performed.
[0007]
Therefore, an object of the present invention is to provide a local fertilizer that can perform an appropriate local fertilizer operation under all soil conditions.
[0008]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, an excavation case that is mounted so as to be in a direction crossing the traveling direction of the fuselage and is rotated in the same direction as the rotation direction of the traveling drive shaft of the traveling drive unit, The excavation spiral blade is extended and rotates around the extension direction, and the excavation spiral blade is rotated around the excavation case. The fertilizer passes through the inside. In a local fertilizer applying a fertilizer application section consisting of a cylindrical fertilizer application section consisting of a fertilizer application pipe and a fertilizer application pipe from the tip, the fertilizer application opening at the tip of the fertilizer pipe was opened in a direction intersecting with the machine body traveling direction. Thereby, even in soil conditions such as clay land, the fertilizer application work can be performed smoothly without blocking the fertilizer application opening.
[0009]
An excavation case that is mounted so as to be in a direction crossing the traveling direction of the fuselage and is rotated in the same direction as the rotation direction of the traveling drive shaft of the traveling drive unit, and is extended radially from the excavation case, and extends in the extending direction. The excavation spiral blade, which rotates around the center of rotation, and the excavation spiral blade, which rotates around the excavation case, extend radially from the excavation case. In a local fertilizer applying a fertilizer application section consisting of a fertilizer pipe and a fertilizer pipe, the fertilizer pipe has a fertilizer opening that is open at the tip, and the fertilizer pipe is rotated around the longitudinal direction of the fertilizer pipe. A shaft, a discharge plate radially provided on the outer periphery of the tip of the feeding shaft inside the fertilization opening, and a discharge body constituted by an auger provided on the excavation case side of the discharge plate. , It is possible to forcibly removed soil to the point of entering into the fertilization pipe, is performed smoothly soil fertilization work without closing the fertilization opening.
[0010]
An excavation case that is mounted so as to be in a direction crossing the traveling direction of the fuselage and is rotated in the same direction as the rotation direction of the traveling drive shaft of the traveling drive unit, and is extended radially from the excavation case, and extends in the extending direction. The excavation spiral blade, which rotates around the center of rotation, and the excavation spiral blade, which rotates around the excavation case, extend radially from the excavation case. In a local fertilizer applying a fertilizer application section comprising a fertilizer pipe to be extruded, a diameter of a tip of the excavation spiral blade is adjusted so that a tip of the fertilizer pipe and a tip of the excavation spiral blade overlap in a longitudinal view of the fertilizer pipe. Because the drilling helical blade excavates and softens the pierced part of the fertilizer pipe even in hard soil conditions, the fertilizer pipe can easily penetrate into the soil, making it easier to pierce the soil. Fertilizer work can be performed.
[0011]
BEST MODE FOR CARRYING OUT THE INVENTION
The configuration will be described based on the drawings embodying the present invention. 1 is a side view, FIG. 2 is a perspective view showing a partial cross section, FIG. 3 is a front view, FIG. 4 is a cross-sectional plan view showing an excavation and fertilization unit, and FIG. 6 is an operation diagram showing a fertilization operation of the excavation and fertilization section.
[0012]
The configuration of the local fertilizer applicator A will be described with reference to FIGS. The local fertilizer applicator A according to the present invention includes a traveling drive unit 1 that moves the body forward and backward, a drill fertilizer unit 2 that opens a drill hole in a field and fertilizes the soil, and a fertilizer that stores fertilizer to the drill fertilizer unit 2. It is composed of a storage and supply unit 3 for supplying fertilizer.
[0013]
The traveling drive unit 1 includes a frame 11, an engine 12 mounted on the frame 11, a traveling mission 13 which is disposed below the engine 12 and receives a rotational driving force from the engine 12 to decelerate, and a traveling mission 13. A traveling drive shaft 14 extending to the left and right and rotating with a reduced rotational driving force, and a traveling drive shaft 14 provided at an outer end portion of the traveling drive shaft 14 is driven by the rotation to drive the aircraft forward and backward. It is composed of a traveling body 15 composed of a crawler.
[0014]
The frame 11 is composed of a main frame 11a on which the engine 12 is mounted, and a rotating frame 11b which is vertically rotatable with respect to the main frame 11a. The rotating frame 11b includes the excavating and fertilizing section 2 and the storage and supply section 3. Be placed. The rotating frame 11b is composed of a parallel link mechanism, and the disposed excavation / fertilizer application section 2 and the storage / supply section 3 perform a vertical movement while maintaining the horizontal direction. A cylinder 11c, which is a telescopic device, is mounted on the main frame 11a and the rotating frame 11b as a vertical drive unit, and the telescopic operation is performed to raise and lower the excavating and fertilizing unit 2 and the storage and supply unit 3 so that excavation is not required. The excavator / fertilizer application section 2 and the storage / supply section 3 can be lifted during movement or inspection.
[0015]
The engine 12 is provided with an engine output shaft 12a that outputs a rotational driving force, and a drive pulley 12b is provided at an end of the engine output shaft 12a. The traveling transmission 13 is provided with a traveling input shaft 13a for inputting a rotational driving force of the engine 12, and a traveling driven pulley 13b is provided at an end of the traveling input shaft 13a.
[0016]
A belt a is wound around the driving pulley 12b and the traveling driven pulley 13b, and a rotational driving force output from the engine 12 is input to the traveling mission 13. The rotational driving force input to the traveling mission 13 is reduced, and the traveling drive shaft 14 is rotated to drive the crawler of the traveling body 15. The traveling body 15 may use wheels as long as the body can move forward and backward.
[0017]
The excavation and fertilization unit 2 includes an excavation and fertilization drive 21 extending in the machine body traveling direction F, an excavation and fertilization mission 22 to which the excavation and fertilization drive 21 is connected, and an inward direction orthogonal to the traveling direction of the excavation and fertilization mission 22. A digging case 23 mounted horizontally on the side surface with respect to the ground, a digging spiral blade 24 radially extending from the digging case 23, and a digging spiral blade 24 It is composed of a fertilizer application pipe 25 arranged rearward in the rotation direction, and is arranged on the rotating frame 11b.
[0018]
The excavation and fertilization drive unit 21 includes an excavation and fertilization drive shaft 21a that is supported at both ends by the main frame 11a of the frame 11 and extends in the traveling direction, an excavation driven pulley 21b provided at one end of the excavation and drive shaft 21a, A drive shaft 21c that connects the other end of the shaft 21a and the excavation and fertilization mission 22 is provided and configured. A belt b is wound around the excavated driven pulley 21b and the drive pulley 12b provided on the engine output shaft 12a, and rotational driving force is transmitted from the engine 12 to the excavation and fertilization drive shaft 21a via the belt b.
[0019]
The excavation and fertilization mission 22 includes an excavation and fertilization input shaft 22a protruding rearward in the traveling direction, and bevel gears 22b and 22b provided in the excavation and fertilization mission 22 as shown in FIG. Is connected to the drive shaft 21c of the excavation and fertilization drive unit 21, and receives the rotational driving force of the engine 12. The input rotational driving force is converted by 90 ° through bevel gears 22 b and 22 b and output to excavation case 23.
[0020]
The excavating case 23 is rotatably fitted to the inner side surface in the traveling direction F of the excavating fertilizer application mission 22 and extends horizontally with respect to the ground. An excavation drive shaft 23a is provided inside, and rotates by inputting a rotational drive force output via bevel gears 22b, 22b of the excavation mission 22 and also drives the excavation case 23 to rotate in the same direction as the traveling drive shaft 14. .
[0021]
The excavation spiral blade 24 is formed of a coil-like coil blade having a large diameter at the tip end, and has a base portion attached to the excavation drive case 23 to extend radially. The excavation spiral blade 24 receives a rotational driving force from the excavation case 23 and is rotationally driven about the extension direction as a rotation center, and rotates by itself so that the tip of the excavation spiral blade 24 pierces a field.
[0022]
The fertilizer application pipe 25 has a cylindrical, conical piercing portion 25a at the distal end and a fertilizer application opening 25b in a direction intersecting with the machine body traveling direction F, and excavation that rotates in the same direction as the traveling drive shaft 14. It is attached to the excavating case 23 so as to be radial from the center of rotation of the excavating case 23 behind the rotating excavation helical blade 24 provided in the case 23.
[0023]
Also, inside the fertilizer application pipe 25, as shown in FIG. 4, at the longitudinal center of the fertilizer application pipe 25a, there is provided a rotationally driven feeding shaft 25c extending from the excavating case 23. At the tip end, there is provided a discharge plate 25d radially provided from the rotation center of the feed shaft 25c, and a discharge body formed of a spiral auger 25e inwardly of the discharge plate 25d on the excavating case 23 side.
[0024]
In the present embodiment, as shown in the figure, a pair of excavation spiral blades 24 having a large diameter at the tip end are provided in the radial direction, and a fertilizer application pipe 25 is disposed in the middle of the pair of excavation spiral blades 24. When viewed from the longitudinal direction, the tip of the excavation spiral blade 24 overlaps the tip of the fertilizer pipe 25, and the piercing portion of the fertilizer pipe 25 into the field can be excavated and softened. Further, a pair of excavation spiral blades 24 and a fertilizing pipe 25 arranged in the middle of the pair of excavation spiral blades 24 are used as an excavation unit. A total of four are arranged side by side.
[0025]
The storage supply unit 3 includes a hopper 31 that stores fertilizer, a shutter 32 that forms an opening on the bottom surface of the hopper 31, a supply drum 33 that supplies fertilizer to the fertilizer application pipe 25, and an opening formed by the shutter 32. A guide pipe 34 for guiding the fertilizer discharged from the section to the supply drum 33; an agitator drive mission 35 connected forward in the traveling direction of the excavation and fertilization mission 21; and an agitator drive shaft projecting upward from the agitator drive mission 35. 36, and an agitator 37 provided in the hopper 31 at the tip of the agitator drive shaft 36.
[0026]
The hopper 31 has a substantially inverted quadrangular pyramid shape, and can store fertilizer. The shutter 32 includes a bottom plate 32a having an opening, and a shutter plate 32b with a lower surface of the opening slidable. The amount of opening of the shutter can be adjusted according to the amount of overlap between the opening of the bottom plate 32a and the shutter plate 32b. The discharge amount of the fertilizer stored in the hopper 32 is determined according to the shutter opening amount.
[0027]
The supply drum 33 includes a truncated cone cover 33a and supply pipes 33b and 33c. A large diameter surface of the truncated cone cover 33a is attached to the excavation case 23, and is rotated with the rotation of the excavation case 23. The supply pipe 33b is connected to the inner fertilizer application pipe 25 on the hopper 31 side, and the supply pipe 33c is connected to the outer fertilizer application pipe 25.
[0028]
The guide tube 34 connects the opening formed by the shutter 32 and the supply drum 33, and the fertilizer discharged according to the shutter opening amount of the shutter 32 supplies the supply drum 33 through the guide tube 34. Supplied to
[0029]
In the agitator drive mission 35, a rotational drive force is transmitted from the excavation and fertilization input shaft 22a of the excavation and fertilization application 22, and the agitator drive shaft 35 that is decelerated by the worm gear 35a provided therein and protrudes upward is rotated. The agitator 36 connected to the tip of the rotating agitator drive shaft 35 and disposed along the upper surface of the shutter 32 can rotate to discharge the fertilizer smoothly from the shutter opening.
[0030]
As shown in FIGS. 5 and 6, in the fertilization operation, the excavation case 23 rotates in the f2 direction while the excavation spiral blade 24 rotates in the f1 direction at the same time as the machine body travels. Since the center of rotation of the excavating case 23 is horizontally moved along with the machine body traveling direction F, the excavating spiral blade 24 and the fertilizing pipe 25 excavate the field scene locally. Since the diameter of the excavation spiral blade 24 is large so as to overlap the tip portion 25a of the fertilizing pipe 25, the piercing portion of the fertilizing pipe 25 is crushed, so that the fertilizing pipe 25 can be easily inserted into the soil. Further, the concavity 25a provided at the tip of the fertilizer application pipe 25 makes the crushed soil by the excavation spiral blade 24 rough, so that it can be easily sunk into the soil even in a hard field.
[0031]
Then, the fertilizer discharged from the hopper 31 via the shutter 32 passes through the guide tube 34 as shown in FIG. 6, flows into the supply drum 33, and is temporarily stored in the truncated cone cover 33a of the supply drum 33. When the supply drum 33 rotates and the openings of the supply pipes 33b and 33c come to the fertilizer storage section, the fertilizer passes through the supply drum 33 and is supplied into the fertilizer application pipe 25. The fertilizer supplied into the fertilizer pipe 25 falls naturally, and intersects with the traveling direction at a discharge plate 25d provided at the tip of the fertilizer pipe 25, that is, a discharge plate 25d provided inside the fertilization opening 25b, and an auger 25e. The fertilizer is forcibly discharged into the soil from the fertilizer application opening 25b opened in the direction and fertilized.
[0032]
Since the fertilizer application opening 25b is opened in a direction intersecting with the traveling direction, entry of soil into the fertilizer application pipe 25 is reduced. The discharge body composed of the discharge plates 25d and 25e forcibly discharges the fertilizer into the soil, and at the same time, serves to eliminate the soil that is going to enter the fertilizer pipe 25.
[0033]
【The invention's effect】
The local fertilizer that is configured as above does not obstruct the fertilizer opening that opens in the direction that intersects with the aircraft's direction of travel, even in soil conditions such as clay soil, without the soil being fertilized. Work can be done.
[0034]
In addition, the soil that is going to enter the fertilizer application pipe can be forcibly removed by a rotating discharge plate and an auger discharger provided inside the fertilizer application opening, so that the soil can be removed without blocking the fertilizer application opening. Medium fertilization work can be performed smoothly.
[0035]
Even in hard soil conditions, the diameter of the tip of the excavation spiral blade is enlarged, so that the excavation spiral blade excavates the pierced portion of the fertilizer pipe and softens it. Medium fertilization work can be performed.
[Brief description of the drawings]
FIG. 1 is a side view. FIG. 2 is a partially sectioned perspective view. FIG. 3 is a front view. FIG. 4 is a cross-sectional plan view showing an excavated fertilizer section. FIG. FIG. 6 is an operation diagram showing the fertilization work of the excavation and fertilizer application section
REFERENCE SIGNS LIST 1 traveling drive unit 11 frame 11a main frame 11b rotating frame 11c cylinder 12 engine 12a engine output shaft 12b driving pulley 13 traveling mission 13a traveling input shaft 13b traveling driven pulley 14 traveling drive shaft 15 traveling body 2 excavation and fertilization unit 21 excavation and fertilization drive Body 21a Excavation and fertilization drive shaft 21b Excavation driven pulley 21c Drive shaft 22 Excavation and fertilization application mission 22a Excavation and fertilization input shaft 22b Bevel gear 23 Excavation case 23a Excavation drive shaft 24 Excavation spiral blade 25 Fertilization pipe 25a Conical part 25b Fertilization opening 25c Discharge shaft 25d Discharge Plate 25e Auger 3 Storage / supply unit 31 Hopper 32 Shutter 32a Bottom plate 32b Shutter plate 33 Supply drum 33a Truncated cone covers 33b, 33c Supply tube 34 Guide tube 35 Agitator drive mission 35a Worm Ya 36 agitator a, b belt A local fertilizing device F traveling direction

Claims (3)

機体の進行方向に対し交差方向となるよう取付けられるとともに、走行駆動部の走行駆動軸の回転方向と同方向に回転される掘削ケースと、この掘削ケースより放射状に延設され、延設方向を回転中心とし自転する掘削螺旋刃と、掘削ケースを回転中心とし回転される掘削螺旋刃の回転方向後方に掘削ケースより放射状に延設され、内部を肥料が通過するよう筒状とし先端部より施肥する施肥パイプとからなる掘削施肥部を設けた局所施肥装置において、施肥パイプの先端部に開口させた施肥開口部を機体進行方向に対し交差する方向に開口したことを特徴とした局所施肥装置。An excavation case that is mounted so as to be in a direction crossing the traveling direction of the fuselage and is rotated in the same direction as the rotation direction of the traveling drive shaft of the traveling drive unit, and is extended radially from the excavation case, and extends in the extending direction. The excavation spiral blade, which rotates around the center of rotation, and the excavation spiral blade, which rotates around the excavation case, are radially extended from the excavation case in the rotating direction. A local fertilizer applying a fertilizer application section comprising a fertilizer application pipe, wherein a fertilizer application opening formed at a tip end of the fertilizer application pipe is opened in a direction intersecting a machine body traveling direction. 機体の進行方向に対し交差方向となるよう取付けられるとともに、走行駆動部の走行駆動軸の回転方向と同方向に回転される掘削ケースと、この掘削ケースより放射状に延設され、延設方向を回転中心とし自転する掘削螺旋刃と、掘削ケースを回転中心とし回転される掘削螺旋刃の回転方向後方に掘削ケースより放射状に延設され、内部を肥料が通過するよう筒状とし先端部より施肥する施肥パイプとからなる掘削施肥部を設けた局所施肥装置において、施肥パイプは先端部に開口した施肥開口部を有し、施肥パイプ内には、施肥パイプの長手方向を中心に回転される繰出軸と、前記施肥開口部の内側になる繰出軸の先端部の外周に放射状に設けた排出板と、排出板より掘削ケース側に設けたオーガにより構成された排出体を設けたことを特徴とした局所施肥装置。An excavation case that is mounted so as to be in a direction crossing the traveling direction of the fuselage and is rotated in the same direction as the rotation direction of the traveling drive shaft of the traveling drive unit, and is extended radially from the excavation case, and extends in the extending direction. The excavation spiral blade, which rotates around the center of rotation, and the excavation spiral blade, which rotates around the excavation case, are radially extended from the excavation case in the rotating direction. In a local fertilizer applying a fertilizer application section consisting of a fertilizer pipe and a fertilizer pipe, the fertilizer pipe has a fertilizer opening that is open at the tip, and the fertilizer pipe is rotated around the longitudinal direction of the fertilizer pipe. A shaft, a discharge plate radially provided on the outer periphery of the tip of the feeding shaft inside the fertilizer application opening, and a discharge body constituted by an auger provided on the excavation case side with respect to the discharge plate are provided. And the local fertilizer equipment. 機体の進行方向に対し交差方向となるよう取付けられるとともに、走行駆動部の走行駆動軸の回転方向と同方向に回転される掘削ケースと、この掘削ケースより放射状に延設され、延設方向を回転中心とし自転する掘削螺旋刃と、掘削ケースを回転中心とし回転される掘削螺旋刃の回転方向後方に掘削ケースより放射状に延設され、内部を肥料が通過するよう筒状とし先端部より施肥する施肥パイプとからなる掘削施肥部を設けた局所施肥装置において、施肥パイプの長手方向視にて、施肥パイプの先端部と掘削螺旋刃の先端部が重なるように掘削螺旋刃の先端部を径大としたことを特徴とする局所施肥装置。An excavation case that is mounted so as to be in a direction crossing the traveling direction of the fuselage and is rotated in the same direction as the rotation direction of the traveling drive shaft of the traveling drive unit, and is extended radially from the excavation case, and extends in the extending direction. The excavation spiral blade, which rotates around the center of rotation, and the excavation spiral blade, which rotates around the excavation case, are radially extended from the excavation case in the rotating direction. In a local fertilizer applying a fertilizer application section comprising a fertilizer pipe to be extruded, a diameter of a tip of the excavation spiral blade is adjusted so that a tip of the fertilizer pipe and a tip of the excavation spiral blade overlap in a longitudinal view of the fertilizer pipe. A local fertilizer device characterized by a large size.
JP2003147097A 2003-05-26 2003-05-26 Local fertilizing apparatus Pending JP2004344117A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104641775A (en) * 2015-01-23 2015-05-27 辽宁省农业机械化研究所 Fertilizer sowing device
CN107258155A (en) * 2017-06-16 2017-10-20 东北大学 A kind of modularization fertilizer applicator for being adapted to mountain and hill work
CN109379934A (en) * 2018-12-05 2019-02-26 庞瑞业 Fertilizing integrated makeup is excavated to set
CN109526332A (en) * 2018-12-26 2019-03-29 浙江农林大学 A kind of direct insertion fertilizer applicator of corn
CN109769444A (en) * 2019-03-13 2019-05-21 温州大学瓯江学院 Forest fixed point vibration fertilizer apparatus

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104641775A (en) * 2015-01-23 2015-05-27 辽宁省农业机械化研究所 Fertilizer sowing device
CN107258155A (en) * 2017-06-16 2017-10-20 东北大学 A kind of modularization fertilizer applicator for being adapted to mountain and hill work
CN107258155B (en) * 2017-06-16 2019-08-09 东北大学 A kind of modularization fertilizer applicator being adapted to mountain and hill work
CN109379934A (en) * 2018-12-05 2019-02-26 庞瑞业 Fertilizing integrated makeup is excavated to set
CN109379934B (en) * 2018-12-05 2024-02-13 庞瑞业 Digging and fertilizing integrated device
CN109526332A (en) * 2018-12-26 2019-03-29 浙江农林大学 A kind of direct insertion fertilizer applicator of corn
CN109769444A (en) * 2019-03-13 2019-05-21 温州大学瓯江学院 Forest fixed point vibration fertilizer apparatus

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