JP2002204606A - Seedling planting apparatus - Google Patents

Seedling planting apparatus

Info

Publication number
JP2002204606A
JP2002204606A JP2001003950A JP2001003950A JP2002204606A JP 2002204606 A JP2002204606 A JP 2002204606A JP 2001003950 A JP2001003950 A JP 2001003950A JP 2001003950 A JP2001003950 A JP 2001003950A JP 2002204606 A JP2002204606 A JP 2002204606A
Authority
JP
Japan
Prior art keywords
seedling
planting
mudguard cover
spraying device
planting mechanism
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2001003950A
Other languages
Japanese (ja)
Other versions
JP3587782B2 (en
Inventor
Yoshiaki Sonoda
義昭 園田
Tetsuya Matsumura
哲也 松村
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kubota Corp
Original Assignee
Kubota Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kubota Corp filed Critical Kubota Corp
Priority to JP2001003950A priority Critical patent/JP3587782B2/en
Publication of JP2002204606A publication Critical patent/JP2002204606A/en
Application granted granted Critical
Publication of JP3587782B2 publication Critical patent/JP3587782B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Catching Or Destruction (AREA)

Abstract

PROBLEM TO BE SOLVED: To improve prevention performances of scattering of mud thrown up by a planting mechanism to a chemical application apparatus. SOLUTION: This seedling planting apparatus is equipped with a seedling placing stand 12 which is reciprocated at a set stroke, a planting mechanism 17 which takes out stocks of seedlings placed on the seedling placing stand 12 one by one and plants the seedlings on the surface of a rice field by a vertical circulation operation, a chemical application apparatus 21 which is positioned slantingly upward to the rear of the planting mechanism 17 and applies a chemical to the surface of a rice field planted with seedlings and a series of right and left mudguard covers 45 provided with upper mudguard covers 43 and rear mudguard cover parts 44 for preventing mud thrown up by the planting mechanism 17 to the chemical application apparatus 21 side. The mudguard covers 45 are made wider in the right and left width than the chemical application apparatus 21. The mudguard covers 45 are arranged in a state of both the right and left ends projected more right and left outward than the chemical application apparatus 21.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、自走本機の後部に
昇降自在に連結される苗植付装置であって、詳しくは、
左右方向に設定ストロークで往復移動する苗のせ台と、
この苗のせ台の移動に連動して苗のせ台下端の取出し部
と田面との間で上下に循環作動することで苗のせ台に載
置した苗を一株ずつ取り出して田面に植え付ける植付機
構と、この植付機構の後方斜め上方に位置して苗が植え
付けられた田面に薬剤を散布する薬剤散布装置とを備え
たものに関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seedling planting device which is connected to the rear part of a self-propelled machine so as to be able to move up and down.
A seedling rest that reciprocates with a set stroke in the left and right direction,
A planting mechanism that takes out the seedlings placed on the seedling pedestal one by one and plants them on the rice field by circulating up and down between the extraction part at the lower end of the seedling pedestal and the rice field in conjunction with the movement of the seedling pedestal. And a drug spraying device which is positioned obliquely rearward and rearward of the planting mechanism and sprays a drug on a rice field on which seedlings are planted.

【0002】[0002]

【従来の技術】従来のこの種の苗植付装置では、植付機
構で跳ね上げられた泥土が薬剤散布装置側に飛散するこ
とを防止する泥除けカバーとして、薬剤散布装置の前部
に配置した施肥装置間それぞれに上部泥除けカバー部を
配置し、後部泥除けカバー部を設けたものを設けてい
た。
2. Description of the Related Art In a conventional seedling planting apparatus of this kind, a mudguard cover for preventing the mud splashed by a planting mechanism from scattering toward a chemical spraying apparatus is disposed at the front of the chemical spraying apparatus. An upper mudguard cover was provided between each fertilizer and a rear mudguard cover was provided.

【0003】[0003]

【発明が解決しようとする課題】しかし、上記従来の技
術によるときは、施肥装置と上部泥除けカバー部との間
に隙間ができ、その結果、その隙間を通して植付機構で
跳ね上げられた泥土が薬剤散布装置にまで到達し、薬剤
散布口に付着するなどして所期の薬剤散布性能を低下さ
せる問題があった。
However, according to the above-mentioned conventional technique, a gap is formed between the fertilizer and the upper mudguard cover, and as a result, mud which has been jumped up by the planting mechanism through the gap. There is a problem that the desired drug spraying performance is reduced by reaching the drug spraying device and attaching to the drug spraying port.

【0004】本発明の目的は、植付機構で跳ね上げられ
た泥土の薬剤散布装置への飛散防止性能を向上する点に
ある。
[0004] An object of the present invention is to improve the performance of preventing the mud flied up by the planting mechanism from scattering to the chemical spraying device.

【0005】[0005]

【課題を解決するための手段】請求項1に係る本発明に
よる苗植付装置の特徴・作用・効果は次の通りである。
The features, functions and effects of the seedling plant according to the present invention according to the first aspect are as follows.

【0006】〔特徴〕左右方向に設定ストロークで往復
移動する苗のせ台と、この苗のせ台の移動に連動して苗
のせ台下端の取出し部と田面との間で上下に循環作動す
ることで苗のせ台に載置した苗を一株ずつ取り出して田
面に植え付ける植付機構と、この植付機構の後方斜め上
方に位置して苗が植え付けられた田面に薬剤を散布する
薬剤散布装置とを備えた苗植付装置であって、前記植付
機構で跳ね上げられた泥土が前記薬剤散布装置側に飛散
することを防止する上部泥除けカバー部と後部泥除けカ
バー部とを備えた左右一連の泥除けカバーを設け、この
泥除けカバーを前記薬剤散布装置よりも左右幅広に構成
し、この泥除けカバーを左右両端が薬剤散布装置よりも
左右外方に突出させる状態に配置してある点にある。
[Characteristics] By circulating up and down between a seedling rest that reciprocates in a set stroke in the left-right direction and a take-out part at the lower end of the seedling rest and a rice field in conjunction with the movement of the seedling rest. A planting mechanism for taking out the seedlings placed on the seedling rest one by one and planting them on the rice field, and a chemical spraying device that is located diagonally above and behind the planting mechanism and sprays the chemicals on the rice field on which the seedlings have been planted. A seedling planting device comprising: a series of right and left mudguards including an upper mudguard cover portion and a rear mudguard cover portion for preventing mud soil flipped up by the planting mechanism from scattering toward the chemical spraying device. A cover is provided, and the mudguard cover is configured to be wider left and right than the medicine spraying device, and the mudguard cover is arranged so that both left and right ends protrude left and right outward from the drug spraying device.

【0007】〔作用〕泥除けカバーとして、上部泥除け
カバー部と後部泥除けカバー部とを備えた左右一連のも
のを設けてあるから、植付機構で跳ね上げられた泥土の
薬剤散布装置側への飛散防止性能を優れたものにでき
る。
[Operation] Since a series of left and right mudguard covers having an upper mudguard cover and a rear mudguard cover are provided as mudguard covers, the mud splashed by the planting mechanism is scattered toward the chemical spraying device. Excellent prevention performance can be achieved.

【0008】しかも、泥除けカバーを薬剤散布装置より
も左右幅広に構成するとともに、この泥除けカバーの左
右両端が薬剤散布装置よりも左右外方に突出させる状態
に配置してあるから、例えば、泥除けカバーと薬剤散布
装置とを左右同幅に形成する場合に比較して、泥除けカ
バーによる薬剤散布装置側への飛散防止性能を優れたも
のにできる。もちろん、泥除けカバーのうち後部泥除け
カバー部は、散布薬剤が苗植付装置の整地フロートなど
に飛散することを防止するカバーとしても機能する。
In addition, the mudguard cover is configured to be wider in the left and right direction than the medicine spraying device, and the left and right ends of the mudguard cover are arranged so as to protrude left and right outward from the drug spraying device. As compared with the case where the right and left and the medicine spraying device are formed to have the same width on the left and right, the performance of preventing the mudguard cover from scattering toward the medicine spraying device can be improved. Of course, the rear mudguard cover portion of the mudguard cover also functions as a cover for preventing the spraying chemical from scattering on the leveling float or the like of the seedling planting device.

【0009】〔効果〕従って、植付機構で跳ね上げられ
た泥土の薬剤散布装置側への飛散防止性能を向上できる
ようになった。
[Effect] Therefore, the performance of preventing the mud flied up by the planting mechanism from scattering toward the chemical spraying device can be improved.

【0010】請求項2に係る本発明による苗植付装置の
特徴・作用・効果は次の通りである。
The features, operations and effects of the seedling plant according to the second aspect of the present invention are as follows.

【0011】〔特徴〕左右方向に設定ストロークで往復
移動する苗のせ台と、この苗のせ台の移動に連動して苗
のせ台下端の取出し部と田面との間で上下に循環作動す
ることで苗のせ台に載置した苗を一株ずつ取り出して田
面に植え付ける植付機構と、この植付機構の後方斜め上
方に位置して苗が植え付けられた田面に薬剤を散布する
薬剤散布装置とを備えた苗植付装置であって、前記植付
機構で跳ね上げられた泥土が前記薬剤散布装置側に飛散
することを防止する上部泥除けカバー部と後部泥除けカ
バー部とを備えた左右一連の泥除けカバーを設け、前記
後部泥除けカバー部を可撓性のシート材料から構成して
ある点にある。
[Characteristics] By circulating vertically up and down between a seedling rest that reciprocates with a set stroke in the left-right direction and a take-out part at the lower end of the seedling rest and a rice field in conjunction with the movement of the seedling rest. A planting mechanism for taking out the seedlings placed on the seedling rest one by one and planting them on the rice field, and a chemical spraying device that is located diagonally above and behind the planting mechanism and sprays the chemicals on the rice field on which the seedlings have been planted. A seedling planting device comprising: a series of right and left mudguards including an upper mudguard cover portion and a rear mudguard cover portion for preventing mud soil flipped up by the planting mechanism from scattering toward the chemical spraying device. A cover is provided, and the rear mudguard cover is made of a flexible sheet material.

【0012】〔作用〕泥除けカバーとして、上部泥除け
カバー部と後部泥除けカバー部とを備えた左右一連のも
のを設けてあるから、植付機構で跳ね上げられた泥土の
薬剤散布装置側への飛散防止性能を優れたものにでき
る。
[Operation] Since a series of right and left mudguard covers having an upper mudguard cover and a rear mudguard cover is provided as a mudguard cover, the mud splashed up by the planting mechanism is scattered toward the chemical spraying device. Excellent prevention performance can be achieved.

【0013】しかも、後部泥除けカバー部を可撓性のシ
ート材から構成してあるから、植付機構に対するメンテ
ナンスなどを行うために後部泥除けカバー部を取り外し
て地面に置いた場合において、誤って後部泥除けカバー
部を踏み付けたとき、後部泥除けカバー部が撓むことで
破損を免れることができる。
Moreover, since the rear mudguard cover is made of a flexible sheet material, when the rear mudguard cover is removed and placed on the ground for maintenance or the like of the planting mechanism, the rear mudguard may be mistakenly placed. When the mudguard cover is stepped on, the rear mudguard cover bends to avoid damage.

【0014】〔効果〕従って、植付機構で跳ね上げられ
た泥土の薬剤散布装置側への飛散防止性能を向上でき、
しかも、植付機構に対するメンテナンスなどを行う際に
後部泥除けカバー部を取り外した際の後部泥除けカバー
部の変形・破損を抑制できるようになった。
[Effect] Therefore, it is possible to improve the performance of preventing the mud flied up by the planting mechanism from being scattered toward the chemical spraying device.
In addition, it is possible to suppress deformation and breakage of the rear mudguard cover when the rear mudguard cover is removed when performing maintenance or the like on the planting mechanism.

【0015】請求項3に係る本発明による苗植付装置の
特徴・作用・効果は次の通りである。
The features, operations and effects of the seedling plant according to the third aspect of the present invention are as follows.

【0016】〔特徴〕上記請求項1や2に係る本発明に
よる苗植付装置において、前記後部泥除けカバー部が、
上端よりも下端を前方に位置させる傾斜姿勢に配置され
ている点にある。
[Features] In the seedling planting apparatus according to the present invention according to claim 1 or 2, the rear mudguard cover is provided with:
The point is that it is disposed in an inclined posture in which the lower end is positioned forward from the upper end.

【0017】〔作用〕薬剤散布装置からは薬剤が下側ほ
ど前後広がりの状態で散布される。上記の点に着目し
て、後部泥除けカバー部を、上端よりも下端を前方に位
置させる傾斜姿勢に配置してあるから、後部泥除けカバ
ー部への散布薬剤の付着・堆積を抑制して、薬剤のロス
及び、塊状の堆積薬剤が剥落して田面に局部的に薬剤濃
度の高い部分が発生するといった不都合を抑制すること
ができる。
[Effect] The medicine is sprayed from the medicine spraying device in such a manner that the medicine spreads forward and backward toward the lower side. Paying attention to the above point, the rear mudguard cover is arranged in an inclined position in which the lower end is located forward from the upper end, so that the adhesion and deposition of the sprayed chemical on the rear mudguard cover is suppressed, And the disadvantage that the bulk accumulated chemicals are peeled off and a portion with a high chemical concentration is locally generated on the rice field surface can be suppressed.

【0018】〔効果〕従って、後部泥除けカバー部を設
けながらも、ロス少なく、しかも、良好に薬剤を散布で
きるようになった。
[Effect] Accordingly, the medicine can be satisfactorily sprayed with little loss while providing the rear mudguard cover.

【0019】請求項4に係る本発明による苗植付装置の
特徴・作用・効果は次の通りである。
The features, operations and effects of the seedling plant according to the present invention according to claim 4 are as follows.

【0020】〔特徴〕上記請求項2に係る本発明による
苗植付装置において、前記後部泥除けカバー部の下端縁
には、保形性を有する左右長尺な硬質部材が装着されて
いる点にある。
[Features] In the seedling planting apparatus according to the second aspect of the present invention, a left and right long hard member having shape retaining properties is attached to a lower edge of the rear mudguard cover. is there.

【0021】〔作用〕後部泥除けカバー部の下端縁に保
形性を有する左右長尺な硬質部材を装着してあるから、
後部泥除けカバー部がシート材から構成されるものであ
りながらも、硬質部材の剛性と重量とで後部泥除けカバ
ー部が風などに煽られることを防止して、後部泥除けカ
バー部の下端縁を泥除け位置に安定保持することができ
る。
[Operation] Since the left and right long hard members having shape-retaining properties are attached to the lower edge of the rear mudguard cover,
Even though the rear mudguard cover is made of sheet material, the rigidity and weight of the hard member prevent the rear mudguard cover from being swung by wind, etc., and mudguard the lower edge of the rear mudguard cover. It can be stably held in position.

【0022】〔効果〕従って、後部泥除けカバー部をシ
ート材から構成しながらも、その後部泥除けカバー部に
よる所期の泥除け機能を良好に発揮できるようになっ
た。
[Effects] Accordingly, the desired mudguard function of the rear mudguard cover can be satisfactorily exhibited while the rear mudguard cover is made of a sheet material.

【0023】[0023]

【発明の実施の形態】田植機は、図1、図2に示すよう
に、乗用型の自走本機1の後部に8条植え式の苗植付装
置2を4連リンク機構3を介して昇降自在に連結し、圧
油供給に伴って前記苗植付装置2を上昇させるとともに
排油に伴って苗植付装置2を自重で下降させる油圧シリ
ンダ利用のリフトシリンダ4を設け、施肥装置5を設け
て構成されている。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIGS. 1 and 2, a rice transplanter includes an eight-row seedling planting device 2 at a rear portion of a riding type self-propelled machine 1 via a four-link mechanism 3. A lift cylinder 4 using a hydraulic cylinder that raises and lowers the seedling planting device 2 with pressure oil supply and lowers the seedling planting device 2 by its own weight with oil drainage. 5 is provided.

【0024】前記自走本機1は、前部にエンジン6を搭
載し、後部に運転座席7を搭載していて、左右一対の操
向用の駆動前輪8と左右一対の駆動後輪9とを備え、前
記運転座席7の前方には、前記駆動前輪8を操向操作す
るためのステアリングハンドル10が配置されている。
The self-propelled machine 1 has an engine 6 mounted on a front part, a driver seat 7 mounted on a rear part, and a pair of left and right driving front wheels 8 and a pair of right and left driving rear wheels 9. In front of the driver's seat 7, a steering handle 10 for steering the drive front wheel 8 is arranged.

【0025】前記苗植付装置2は、図3、図4にも示す
ように、前記4連リンク機構3の後部に前後向き軸心周
りにローリング自在に支持される植付フレーム11に、
左右方向に設定ストロークで往復移動するとともに左右
方向に8つの苗載置部を並置した8条仕様の苗のせ台1
2と、走行に伴い田面を滑走して植付予定田面を整地す
る左右複数の整地フロート13と、左右に設定間隔を隔
てて並置する4つの植付ケース14とを支持させ、前記
苗のせ台12の下端部を摺動自在に支持する摺動レール
15に設定間隔を隔てて8つの苗取出し口16を形成
し、前記各植付ケース14の左右両脇に位置する状態で
前記苗のせ台12の移動に連動して前記苗取出し口16
と整地田面との間で上下に循環作動することにより、各
苗載置部に載置させた苗を一株ずつ取出して整地田面に
植え付ける8つの回転式の植付機構17を設けて構成さ
れている。
As shown in FIGS. 3 and 4, the seedling planting apparatus 2 comprises a planting frame 11 supported at the rear of the quadruple link mechanism 3 so as to be freely rollable around a longitudinal axis.
An eight-row specification seedling stand 1 that reciprocates with a set stroke in the left-right direction and has eight seedling mounting parts juxtaposed in the left-right direction.
2, a plurality of left and right leveling floats 13 for leveling the field to be planted by sliding on the field as the vehicle travels, and four planting cases 14 arranged side by side at a set interval on the left and right, Eight seedling outlets 16 are formed at predetermined intervals on a slide rail 15 that slidably supports the lower end of the seedling 12, and the seedling rests are positioned on both left and right sides of each planting case 14. 12 in conjunction with the movement of the seedling outlet 16
By circulating up and down between the soil and the paddy field surface, eight rotary planting mechanisms 17 are provided which take out the seedlings placed on each seedling mounting portion one by one and plant the seedlings on the paddy field surface. ing.

【0026】前記苗のせ台12は、図5、図6に示すよ
うに、6つの苗のせ部を有する主要部12Mと、左端2
つの苗のせ部を有する端部12Eとからなり、端部12
Eは、主要部12Mの左端に連なって主要部12Mとで
8条仕様の苗のせ台12を形成する作用位置と、主要部
12Mの左端部の上方に重なって苗のせ台12の左右幅
を小さくする格納位置とに位置変更自在に構成されてい
る。つまり、苗のせ台12は、左右幅を縮小した格納姿
勢に切り換え自在に構成されている。
As shown in FIGS. 5 and 6, the seedling rest 12 has a main part 12M having six seedling rests and a left end 2M.
End 12E having two seedling rests,
E is an action position where the main part 12M is connected to the left end of the main part 12M to form an eight-row specification seedling rest 12 and the right and left width of the seedling rest 12 overlapping the left end of the main part 12M. The position can be freely changed to the storage position to be reduced. In other words, the seedling rest 12 is configured to be freely switchable to the storage posture in which the left-right width is reduced.

【0027】前記植付ケース14は、図7、図8に示す
ように、両脇に位置する植付機構17を一括駆動する伝
動機構を内装している。
As shown in FIGS. 7 and 8, the planting case 14 includes a transmission mechanism for collectively driving the planting mechanisms 17 located on both sides.

【0028】そして、前記伝動機構には、左外側2条分
の植付機構17への伝動を断続する左畦際クラッチLL
と、右外側2条分の植付機構17への伝動を断続する右
畦際クラッチRRと、左右中央よりの左側2条分の植付
機構17への伝動を断続する中央左畦際クラッチCL
と、左右中央よりの右側2条分の植付機構17への伝動
を断続する中央右畦際クラッチCRとが設けられてい
る。
The transmission mechanism includes a left ridge-side clutch LL for intermittently transmitting power to the planting mechanism 17 for the left outer two rows.
And a right ridge clutch RR for interrupting transmission of the right outer two rows to the planting mechanism 17 and a center left ridge clutch CL for interrupting transmission of the left two rows from the left and right center to the planting mechanism 17.
And a center right ridge-side clutch CR for intermittently transmitting power to the planting mechanism 17 for the right two rows from the left and right center.

【0029】前記植付機構17は、植付ケース14に駆
動回転される回転ケース18を取り付け、この回転ケー
ス18の両端部のそれぞれに植付爪支持ケース19を回
転自在に取り付け、これら植付爪支持ケース19同士を
連結して回転ケース18の回転に伴う植付爪支持ケース
19の回転ケース18に対する姿勢を規制する連結部材
20を設けて構成される周知構造のものである。
The planting mechanism 17 mounts a rotating case 18 that is driven and rotated on the planting case 14, and rotatably mounts a planting claw support case 19 on each of both ends of the rotating case 18. This is a well-known structure that is provided with a connecting member 20 that connects the claw support cases 19 to each other and regulates the posture of the planted claw support case 19 with respect to the rotating case 18 as the rotating case 18 rotates.

【0030】かつ、前記苗植付装置2は、苗植え付け後
の田面に除草剤などの粉粒状の薬剤を散布する薬剤散布
装置21とカバー装置とを備えている。
The seedling planting device 2 includes a medicine spraying device 21 for spraying a powdery or granular medicine such as a herbicide on a rice field after planting seedlings, and a cover device.

【0031】前記薬剤散布装置21は、前記植付機構1
7の後方斜め上方に配置されており、図9〜図13に示
すように、薬剤ホッパー23と、この薬剤ホッパー23
から薬剤を計量繰り出しする左右一対の繰出し装置24
L,24Rと、これら繰出し装置24L,24Rからの
薬剤を散布する左右一対の散布器25L,25Rと、下
端面が左右一連の散布口となっていて散布薬剤を左右に
拡散案内する拡散器26から構成されている。
The medicine spraying device 21 includes the planting mechanism 1
7 and a medicine hopper 23, as shown in FIGS.
A pair of left and right feeding devices 24 for metering and feeding the medicine from
L, 24R, a pair of left and right sprayers 25L, 25R for spraying the medicine from the feeding devices 24L, 24R, and a diffuser 26 having a lower end face as a series of left and right spray ports for diffusing and guiding the sprayed medicine to the left and right. It is composed of

【0032】前記薬剤ホッパー23から繰出し装置24
L,24Rそれぞれへの薬剤投入筒部27には、図14
の(イ)(ロ)、図15に示すように、薬剤ホッパー2
3から繰出し装置24L,24Rへの薬剤経路を開閉す
る手動シャッター28が装着されており、この手動シャ
ッター28は、薬剤経路に対して直交する方向で出退す
ることで薬剤経路を閉開するものである。その操作手段
は、横向き軸心p1周りに揺動することにより手動シャ
ッター28を閉塞位置と開放位置とにスライド位置変更
させる操作片29を設け、前記横向き軸心p1周りで閉
塞位置と開放位置とに揺動自在で、閉塞位置から設定角
度揺動した後第1接当部31aを操作片29に接当させ
て引き続く開放位置までの揺動により操作片29を開放
位置に押圧揺動させるとともに開放位置から設定角度揺
動した後第2接当部31bを操作片29に接当させて引
き続く閉塞位置までの揺動により操作片29を閉塞位置
に押圧揺動させる操作ハンドル31を設け、この操作ハ
ンドル31に作用することで操作ハンドル31の閉塞位
置及び開放位置を越えての揺動を阻止するストッパー
(図示せず)を設け、前記操作ハンドル31に作用して
操作ハンドル31が設定位置よりも閉塞位置側に位置す
るとき操作ハンドル31を閉塞位置に揺動付勢するとと
もに設定位置よりも開放位置側に位置するとき操作ハン
ドル31を開放位置に揺動付勢する巻きバネ32を設け
て構成されている。つまり、操作ハンドル31は、巻き
バネ32による付勢力でストッパーに押し付けられるこ
とにより、操作は許容される状態で閉塞位置と開放位置
とに保持されるようになっている。
A feeding device 24 from the medicine hopper 23
FIG. 14 shows the medicine injection cylinders 27 for L and 24R respectively.
(A) and (b), as shown in FIG.
A manual shutter 28 for opening and closing the medicine path from the third to the feeding devices 24L and 24R is mounted, and the manual shutter 28 closes and opens the medicine path by moving back and forth in a direction perpendicular to the medicine path. It is. The operating means is provided with an operation piece 29 for changing the sliding position of the manual shutter 28 between the closed position and the open position by swinging around the horizontal axis p1, and moving the closed position and the open position around the horizontal axis p1. After swinging the set angle from the closed position, the first contact portion 31a is brought into contact with the operation piece 29, and the operation piece 29 is pushed and rocked to the open position by the subsequent swing to the open position. After swinging the set angle from the open position, the second contact portion 31b is brought into contact with the operating piece 29, and the operating handle 31 is pressed to swing the operating piece 29 to the closing position by swinging to the closing position. A stopper (not shown) for preventing the operation handle 31 from swinging beyond the closed position and the open position by acting on the operation handle 31 is provided. When the dollar 31 is located closer to the closed position than the set position, the operating handle 31 is oscillated to the closed position, and when the dollar 31 is located closer to the open position than the set position, the operating handle 31 is urged to swing to the open position. It is configured by providing a winding spring 32. In other words, the operation handle 31 is held at the closed position and the open position in a state where the operation is allowed by being pressed against the stopper by the urging force of the winding spring 32.

【0033】前記繰出し装置24L,24Rは、図1
0、図11、図16に示すように、縦向き軸心周りで一
方向に間欠回転する目皿33を設け、この目皿33に、
目皿33の回転に伴い薬剤投入筒部27の下方の薬剤受
け入れ位置と前記拡散器26内の薬剤投下位置との間で
循環することにより薬剤受け入れ位置で薬剤ホッパー2
3からの薬剤を受け入れ薬剤投下位置で受け入れた薬剤
を拡散器26内に投下する受入れ孔35を形成し、この
受入れ孔35が薬剤投下位置以外に位置するとき受入れ
孔35の下端開口を閉塞するとともに薬剤投下部34に
位置するとき開放させる閉塞板36を設けて、目皿33
の一方向間欠回転により薬剤ホッパー23内の薬剤を計
量繰出しし、回転数を変更することで繰り出し量を調整
するように構成されている。
The feeding devices 24L and 24R are arranged as shown in FIG.
As shown in FIGS. 0, 11, and 16, a perforated plate 33 that rotates intermittently in one direction around a vertical axis is provided.
The medicine hopper 2 is circulated at the medicine receiving position by circulating between the medicine receiving position below the medicine introducing cylinder 27 and the medicine dropping position in the diffuser 26 with the rotation of the perforated plate 33.
A receiving hole 35 is formed to receive the medicine from 3 and drop the medicine received at the medicine dropping position into the diffuser 26. When the receiving hole 35 is located at a position other than the medicine dropping position, the lower end opening of the receiving hole 35 is closed. And a closing plate 36 which is opened when it is located in the medicine dropping portion 34.
The medicine in the medicine hopper 23 is metered and fed by one-way intermittent rotation, and the feeding amount is adjusted by changing the number of rotations.

【0034】前記繰出し装置24L,24Rのうち左側
のものを駆動する手段は、図4、図8、図9に示すよう
に、前記左畦際クラッチLLの下手側の伝動系の一例で
ある前記植付機構17の連結部材20の偏心位置に連動
連結して植付機構17の回転に伴い往復移動する動力取
出しロッド38を設け、この動力取出しロッド38の往
復移動に連動して反復回転(揺動)する第1中継リンク
39aを設け、この第1中継リンク39aに軸39dを
介して連動する第2中継リンク39eを設け、この第2
中継リンク39eの揺動にリンク39bを介して連動し
て揺動する揺動アーム39cを設け、この揺動アーム3
9cの揺動をギヤ群及び一方向クラッチを介して一方向
間欠回転に変換して目皿33に伝達する変換伝動機構4
0を設けて構成されている。つまり、苗植付速度が速く
なるほど目皿33を速く間欠回転させて薬剤繰出し量を
多くするようになっている。左側の繰出し装置24Rを
駆動する手段は、前記右畦際クラッチRRの下手側の伝
動系の一例である前記植付機構17の連結部材20の偏
心位置に連動連結して植付機構17の回転に伴い往復移
動する動力取出しロッド38を設け、この動力取出しロ
ッド38の往復移動に連動して反復回転(揺動)する第
1中継リンク39aを設け、この第1中継リンク39a
に軸39dを介して連動する第2中継リンク39eを設
け、この第2中継リンク39eの揺動にリンク39bを
介して連動して揺動する揺動アーム39cを設け、この
揺動アーム39cの揺動をギヤ群及び一方向クラッチを
介して一方向間欠回転に変換して目皿33に伝達する変
換伝動機構40を設けて構成されている。つまり、苗植
付速度が速くなるほど目皿33を速く間欠回転させて薬
剤繰出し量を多くするようになっている。
The means for driving the left one of the feeding devices 24L and 24R is, as shown in FIGS. 4, 8 and 9, an example of the lower-side transmission system of the left ridge side clutch LL. A power take-out rod 38 is provided which is linked to the eccentric position of the connecting member 20 of the planting mechanism 17 and reciprocates as the planting mechanism 17 rotates. The first relay link 39a is provided with a second relay link 39e interlocked with the first relay link 39a via a shaft 39d.
A swing arm 39c which swings in conjunction with the swing of the relay link 39e via the link 39b is provided.
A conversion transmission mechanism 4 that converts the swing of 9c into intermittent one-way rotation through a gear group and a one-way clutch and transmits the intermittent rotation to the perforated plate 33.
0 is provided. That is, the higher the seedling planting speed, the faster the intermittent rotation of the eye plate 33 to increase the amount of drug delivery. The means for driving the left feeding device 24R is connected to an eccentric position of the connecting member 20 of the planting mechanism 17 which is an example of a lower transmission system of the right ridge-side clutch RR to rotate the planting mechanism 17. A power take-out rod 38 that reciprocates is provided, and a first relay link 39a that repeatedly rotates (oscillates) in conjunction with the reciprocating movement of the power take-off rod 38 is provided.
Is provided with a second relay link 39e interlocked via a shaft 39d, and a swing arm 39c which is swung in conjunction with a swing of the second relay link 39e via a link 39b is provided. A conversion transmission mechanism 40 that converts the swing into intermittent one-way rotation via a gear group and a one-way clutch and transmits the intermittent rotation to the perforated plate 33 is provided. That is, the higher the seedling planting speed, the faster the intermittent rotation of the eye plate 33 to increase the amount of drug delivery.

【0035】前記散布器25L,25Rのそれぞれは、
図11に詳しく示すように、前後向き軸心p2周りに回
転して前記薬剤投下位置からの投下薬剤を左右に分散さ
せる分散羽根41を薬剤投下位置の下方に配置し、これ
ら分散羽根41を駆動回転させる電動モータ42を拡散
器26外に配置して構成されており、左側の散布器25
Lは、拡散器26との協同で左側端から6条分の幅の田
面に薬剤を散布するように構成され、右側の散布器25
Rは、拡散器26との協同で右側端から6条分の幅の田
面に薬剤を散布するように構成されている。
Each of the sprayers 25L, 25R
As shown in detail in FIG. 11, dispersing blades 41 rotating around the longitudinal axis p2 and dispersing the dropped medicine from the medicine dropping position to the left and right are arranged below the medicine dropping position, and these dispersion blades 41 are driven. An electric motor 42 to be rotated is arranged outside the diffuser 26, and the spreader 25 on the left side is configured.
L is configured to cooperate with the diffuser 26 so as to spray the medicine on the rice field having a width of 6 stripes from the left end, and the sprayer 25 on the right side.
R is configured to cooperate with the diffuser 26 to spray the medicine on the rice field having a width of six lines from the right end.

【0036】そして、薬剤散布装置21は、左右両端に
位置する苗植付機構17間に配置されるとともに、格納
姿勢にある苗のせ台12の左右幅内に収まる大きさに構
成されている。
The medicine spraying device 21 is arranged between the seedling planting mechanisms 17 located at the left and right ends, and is sized to fit within the left and right widths of the seedling rest 12 in the storage position.

【0037】前記カバー装置は、前記植付機構17で跳
ね上げられた泥土が前記薬剤散布装置21側に飛散する
ことを防止するとともに、散布薬剤が苗植付装置2の整
地フロート13などに掛かって薬剤ロスを発生すること
を防止するためのものであって、ほぼ水平に位置する上
部泥除けカバー部43と上下向き姿勢に位置する後部泥
除けカバー部44とを備えた左右一連の泥除けカバー4
5を設けて構成されている。
The cover device prevents the mud thrown up by the planting mechanism 17 from scattering to the medicine spraying device 21 side, and the sprayed chemical is hung on the leveling float 13 of the seedling planting device 2 and the like. A series of left and right mudguard covers 4 provided with an upper mudguard cover 43 positioned substantially horizontally and a rear mudguard cover 44 positioned in a vertical position.
5 is provided.

【0038】前記泥除けカバー45は、前記薬剤散布装
置21よりも左右幅広に構成されて、左右両端が薬剤散
布装置21よりも左右外方に突出させる状態に配置され
ている。
The mudguard cover 45 is configured to be wider left and right than the medicine spraying device 21, and is disposed so that both left and right ends protrude left and right outward from the medicine spraying device 21.

【0039】前記上部泥除けカバー部43は、鉄板など
の剛性を有する材料から構成された板金製品などであ
り、後部泥除けカバー部44は、可撓性のシート材料か
ら構成されている。この後部泥除けカバー部44の下端
縁には、保形性を有する長尺な硬質部材46が装着され
て後部泥除けカバー部44下端部の位置を重量と剛性で
安定させるように構成されている。
The upper mudguard cover 43 is a sheet metal product or the like made of a rigid material such as an iron plate, and the rear mudguard cover 44 is made of a flexible sheet material. A long hard member 46 having shape-retaining property is attached to the lower edge of the rear mudguard cover 44 so as to stabilize the position of the lower end of the rear mudguard cover 44 with weight and rigidity.

【0040】そして、カバー装置は、前記植付ケース1
4に左右一対のL字形のステー47を介して支持させた
角パイプ利用の左右向きフレーム48に、前記薬剤散布
装置21とともに装着支持されている。
The cover device is provided with the planting case 1.
4 is mounted and supported together with the medicine spraying device 21 on a left-right frame 48 using a square pipe supported by a pair of left and right L-shaped stays 47.

【0041】また、前記後部泥除けカバー部44は、下
端部を前記ステー47に載置保持させることにより、上
端よりも下端を前方に位置させる傾斜姿勢に配置されて
いる。前記ステー47には、前記硬質部材46に係合す
ることで後部泥除けカバー部44下端部のステー47に
対する浮き上がりを防止するフック47aが固着されて
いる。
The rear mudguard cover 44 is placed in an inclined position such that the lower end is placed on the stay 47 so that the lower end is located forward of the upper end. A hook 47 a is fixed to the stay 47 so as to prevent the lower end of the rear mudguard cover 44 from lifting up with respect to the stay 47 by engaging with the hard member 46.

【0042】前記施肥装置5は、走行に伴い田面に播種
用の溝を形成するとともに送られてくる肥料を溝に投入
する作溝器49を苗植付装置2に装着し、自走本機1に
肥料ホッパー50とこれから肥料を繰り出す繰出し器5
1と繰り出された肥料を前記作溝器49にチューブ54
を介して圧送するための風を発生させる電動モータ52
駆動のブロア53とを設けて構成されている。
The fertilizer applicator 5 is mounted on the seedling planting apparatus 2 with a ditcher 49 for forming a sowing groove on a rice field as it travels and for feeding the fertilizer sent into the ditch. 1. Fertilizer hopper 50 and feeder 5 for feeding fertilizer from it
The fertilizer fed out in step 1 is fed into the groove generator 49 with a tube 54.
Motor 52 for generating wind for pressure feeding through
A drive blower 53 is provided.

【図面の簡単な説明】[Brief description of the drawings]

【図1】田植機の側面図Fig. 1 Side view of rice transplanter

【図2】苗植付装置の平面図FIG. 2 is a plan view of the seedling planting apparatus.

【図3】苗植付装置の側面図FIG. 3 is a side view of the seedling planting apparatus.

【図4】苗植付装置要部の側面図FIG. 4 is a side view of a main part of the seedling planting device.

【図5】苗のせ台を格納姿勢に切り換えた状態での苗植
付装置の平面図
FIG. 5 is a plan view of the seedling planting apparatus in a state where the seedling nest is switched to a storage position.

【図6】苗のせ台を格納姿勢に切り換えた状態での苗植
付装置の側面図
FIG. 6 is a side view of the seedling-planting apparatus in a state where the seedling rest is switched to a storage position;

【図7】苗植付機構の平面図FIG. 7 is a plan view of a seedling planting mechanism.

【図8】伝動系統図FIG. 8: Transmission system diagram

【図9】薬剤散布装置の側面図FIG. 9 is a side view of the medicine spraying device.

【図10】薬剤散布装置要部の縦断背面図FIG. 10 is a longitudinal rear view of a main part of the medicine spraying device.

【図11】薬剤散布装置の縦断側面図FIG. 11 is a longitudinal sectional side view of the medicine spraying device.

【図12】薬剤散布装置と植付機構との配置関係を示す
背面図
FIG. 12 is a rear view showing an arrangement relationship between the medicine spraying device and the planting mechanism.

【図13】薬剤散布装置要部の切り欠き背面図FIG. 13 is a cutaway rear view of a main part of the medicine spraying device.

【図14】シャッターの開閉動作を示す切り欠き背面図FIG. 14 is a cutaway rear view showing the opening and closing operation of the shutter.

【図15】シャッターの操作手段を示す平面図FIG. 15 is a plan view showing operation means of a shutter.

【図16】繰り出し装置の横断平面図FIG. 16 is a cross-sectional plan view of the feeding device.

【符号の説明】[Explanation of symbols]

12 苗のせ台 17 植付機構 21 薬剤散布装置 43 上部泥除けカバー部 44 後部泥除けカバー部 45 泥除けカバー 46 硬質部材 12 Nursery stand 17 Planting mechanism 21 Chemical spraying device 43 Upper mudguard cover 44 Rear mudguard cover 45 Mudguard cover 46 Hard member

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】 左右方向に設定ストロークで往復移動す
る苗のせ台と、この苗のせ台の移動に連動して苗のせ台
下端の取出し部と田面との間で上下に循環作動すること
で苗のせ台に載置した苗を一株ずつ取り出して田面に植
え付ける植付機構と、この植付機構の後方斜め上方に位
置して苗が植え付けられた田面に薬剤を散布する薬剤散
布装置とを備えた苗植付装置であって、前記植付機構で
跳ね上げられた泥土が前記薬剤散布装置側に飛散するこ
とを防止する上部泥除けカバー部と後部泥除けカバー部
とを備えた左右一連の泥除けカバーを設け、この泥除け
カバーを前記薬剤散布装置よりも左右幅広に構成し、こ
の泥除けカバーを左右両端が薬剤散布装置よりも左右外
方に突出させる状態に配置してある苗植付装置。
A seedling ladder reciprocatingly moves in a set stroke in the left and right direction, and circulating up and down between a take-out part at a lower end of the seedling nest and a rice field in conjunction with the movement of the seedling nest. It comprises a planting mechanism for taking out the seedlings placed on the mounting table one by one and planting them on the rice field, and a drug spraying device which is located diagonally above and behind the planting mechanism and sprays the drug on the rice field on which the seedlings are planted. A series of left and right mudguard covers, comprising an upper mudguard cover portion and a rear mudguard cover portion for preventing mud soil jumped up by the planting mechanism from scattering toward the chemical spraying device. A seedling planting device, wherein the mudguard cover is configured to be wider left and right than the medicine spraying device, and the mudguard cover is arranged such that both left and right ends project left and right outward from the drug spraying device.
【請求項2】 左右方向に設定ストロークで往復移動す
る苗のせ台と、この苗のせ台の移動に連動して苗のせ台
下端の取出し部と田面との間で上下に循環作動すること
で苗のせ台に載置した苗を一株ずつ取り出して田面に植
え付ける植付機構と、この植付機構の後方斜め上方に位
置して苗が植え付けられた田面に薬剤を散布する薬剤散
布装置とを備えた苗植付装置であって、前記植付機構で
跳ね上げられた泥土が前記薬剤散布装置側に飛散するこ
とを防止する上部泥除けカバー部と後部泥除けカバー部
とを備えた左右一連の泥除けカバーを設け、前記後部泥
除けカバー部を可撓性のシート材料から構成してある苗
植付装置。
2. A seedling rest which reciprocates in a set stroke in the left and right direction, and a seedling which is circulated up and down between a take-out part at a lower end of the seedling rest and a rice field in conjunction with the movement of the seedling rest. It comprises a planting mechanism for taking out seedlings placed on the mounting table one by one and planting them on the rice field, and a chemical spraying device which is located diagonally above and behind the planting mechanism and sprays the chemicals on the rice field on which the seedlings are planted. A series of left and right mudguard covers, comprising an upper mudguard cover portion and a rear mudguard cover portion for preventing mud soil flipped up by the planting mechanism from scattering to the chemical spraying device side. A seedling planting device, wherein the rear mudguard cover is made of a flexible sheet material.
【請求項3】 前記後部泥除けカバー部が、上端よりも
下端を前方に位置させる傾斜姿勢に配置されている請求
項1又は2記載の苗植付装置。
3. The seedling planting apparatus according to claim 1, wherein the rear mudguard cover is disposed in an inclined posture in which a lower end is positioned forward from an upper end.
【請求項4】 前記後部泥除けカバー部の下端縁には、
保形性を有する左右長尺な硬質部材が装着されている請
求項2記載の苗植付装置。
4. A lower end edge of the rear mudguard cover,
3. The seedling planting apparatus according to claim 2, wherein left and right long hard members having shape retaining properties are mounted.
JP2001003950A 2001-01-11 2001-01-11 Seedling planting equipment Expired - Fee Related JP3587782B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001003950A JP3587782B2 (en) 2001-01-11 2001-01-11 Seedling planting equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001003950A JP3587782B2 (en) 2001-01-11 2001-01-11 Seedling planting equipment

Publications (2)

Publication Number Publication Date
JP2002204606A true JP2002204606A (en) 2002-07-23
JP3587782B2 JP3587782B2 (en) 2004-11-10

Family

ID=18872211

Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
JP (1) JP3587782B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012100607A (en) * 2010-11-11 2012-05-31 Kubota Corp Paddy field working machine
JP2015171322A (en) * 2014-03-11 2015-10-01 株式会社クボタ Rice transplanter

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07255223A (en) * 1994-03-25 1995-10-09 Kubota Corp Rice transplanter provided with agrochemical-spraying apparatus
JPH09220004A (en) * 1996-02-19 1997-08-26 Iseki & Co Ltd Chemical scattering device mounted on rice transplanting machine
JPH10165074A (en) * 1996-12-11 1998-06-23 Kubota Corp Rice transplanter with chemical sprayer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07255223A (en) * 1994-03-25 1995-10-09 Kubota Corp Rice transplanter provided with agrochemical-spraying apparatus
JPH09220004A (en) * 1996-02-19 1997-08-26 Iseki & Co Ltd Chemical scattering device mounted on rice transplanting machine
JPH10165074A (en) * 1996-12-11 1998-06-23 Kubota Corp Rice transplanter with chemical sprayer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012100607A (en) * 2010-11-11 2012-05-31 Kubota Corp Paddy field working machine
JP2015171322A (en) * 2014-03-11 2015-10-01 株式会社クボタ Rice transplanter

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