JP2571309B2 - Seedling transplanter - Google Patents
Seedling transplanterInfo
- Publication number
- JP2571309B2 JP2571309B2 JP2323927A JP32392790A JP2571309B2 JP 2571309 B2 JP2571309 B2 JP 2571309B2 JP 2323927 A JP2323927 A JP 2323927A JP 32392790 A JP32392790 A JP 32392790A JP 2571309 B2 JP2571309 B2 JP 2571309B2
- Authority
- JP
- Japan
- Prior art keywords
- seedling
- planting
- holder
- intermittent
- outlet
- 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.)
- Expired - Lifetime
Links
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- Transplanting Machines (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は主として藺草の移植に使用される苗移植機で
あって、詳しくは苗のせ台上に載置した作物の苗を苗取
出し口に向けて送り出すよう構成し、前記苗取出し口か
ら苗を一株づつ取出して植付ける苗植付機構を備えると
ともに、この苗植付機構の苗取出し作動に先立って、待
機位置より前記苗取出し口に向けて移動し、その移動し
た位置で前記苗取出し口まで繰出された先頭の苗を保持
し、前記苗植付機構が苗を取出した後、前記待機位置に
戻り停止するように間欠作動を行う苗保持具を設けてあ
る苗移植機に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a seedling transplanter mainly used for transplanting rushes, and more specifically, a seedling of a crop placed on a seedling stand is taken out of a seedling outlet. And a seedling extracting mechanism for extracting and planting seedlings one by one from the seedling extracting port, and prior to the seedling extracting operation of the seedling extracting mechanism, from the standby position to the seedling extracting port. It moves toward, holds the leading seedling fed out to the seedling outlet at the moved position, and after the seedling planting mechanism takes out the seedling, returns to the standby position and performs an intermittent operation so as to stop. The present invention relates to a seedling transplanter provided with a seedling holder.
前記苗保持具を間欠駆動するに、例えば、本出願人ら
によって特願平1−219366号で提示するように、従来
は、駆動伝動系内にカム機構を設けていた。In order to intermittently drive the seedling holder, for example, a cam mechanism is conventionally provided in a drive transmission system as presented in Japanese Patent Application No. 1-219366 by the present applicants.
このカム機構によって確かに苗保持具を間欠駆動でき
るものであるが、 カムフォロアをカム面に対して付勢バネ等によって
押し付けている。Although the seedling holder can be driven intermittently by this cam mechanism, the cam follower is pressed against the cam surface by an urging spring or the like.
カムフォロアがカム面を乗り上る際と通常の円弧面
を追従する場合等で、必要駆動力が異なる。The required driving force differs between when the cam follower rides on the cam surface and when it follows a normal arc surface.
といった点によって、の場合に駆動力として大きなも
のが必要である、の場合に必要駆動力の変動が激し
く、苗保持具が振動並びにショックを誘発することもあ
る。しかも、カム機構の特性として駆動力の伝達効率が
悪く、かつ、その伝達効率が変動し易いといった種々の
問題もあった。In such a case, a large driving force is required in the case, and the required driving force fluctuates greatly in the case, and the seedling holder may induce vibration and shock. In addition, the cam mechanism has various problems that the transmission efficiency of the driving force is poor and the transmission efficiency tends to fluctuate.
本発明の目的は合理的な伝達機構の採用によって、苗
保持具の作動を円滑に、かつ、駆動動力を能率よく伝達
できるものを提供する点にある。SUMMARY OF THE INVENTION An object of the present invention is to provide an apparatus that can smoothly operate a seedling holder and efficiently transmit driving power by employing a rational transmission mechanism.
本発明による特徴構成は、前記苗保持具を間欠作動さ
せる苗保持具駆動機構を設けるとともに、この苗保持具
駆動機構を、苗植付機構の駆動伝動系の動力が伝えられ
る間欠歯車機構と、その間欠歯車機構の間欠回転出力を
苗保持具の往行程運動と復行程運動とに変換する往復運
動機構とから構成してある点にあり、その作用効果は次
の通りである。The characteristic configuration according to the present invention includes a seedling holder driving mechanism for intermittently operating the seedling holder, and the seedling holder driving mechanism includes an intermittent gear mechanism to which the power of a drive transmission system of the seedling planting mechanism is transmitted. The reciprocating mechanism for converting the intermittent rotation output of the intermittent gear mechanism into the forward stroke movement and the backward stroke movement of the seedling holder is provided. The operational effects are as follows.
つまり、間欠ギヤ機構がかみ合った状態で苗保持具は
移動し、かみ合わない状態で苗保持具は停止する。In other words, the seedling holder moves when the intermittent gear mechanism is engaged, and stops when the intermittent gear mechanism is not engaged.
したがって、かみ合わない状態では動力伝達されてな
いので、駆動力は必要でなく“ゼロ”に近く、かつ、か
み合い状態では苗保持具を移動させるだけであるから、
その駆動動力の変動は殆んどない。Therefore, since no power is transmitted in the non-meshing state, the driving force is not necessary and is close to "zero", and in the meshing state, only the seedling holding tool is moved.
There is almost no fluctuation in the driving power.
また、カムと付勢バネを用いた場合のような振動やシ
ョックの発生する虞れもない。Further, there is no possibility that vibration or shock occurs as in the case where the cam and the biasing spring are used.
その結果、カムとカムフォロアのように付勢接触部が
ない分、全体的な必要動力を低減化できるとともに、苗
保持具の駆動時においてもカムとカムフォロアのように
回転位相によって必要駆動力が大きく変動するものが伝
動系にないので、動力変動は殆んどない。よって、補助
機構的な性格を有する苗保持具を駆動する構造として、
低出力のもので済すことができる。As a result, since there is no biasing contact portion such as the cam and the cam follower, the overall required power can be reduced, and even when the seedling holder is driven, the required driving force is large due to the rotation phase as in the case of the cam and the cam follower Since there is nothing to fluctuate in the transmission system, there is little power fluctuation. Therefore, as a structure for driving a seedling holder having the nature of an auxiliary mechanism,
A low output can be used.
しかも、苗植付機構の連続回転を苗保持具の往復運動
に利用するものであるから、苗植付機構に対して苗保持
具の作動タイミングがズレ難い。Moreover, since the continuous rotation of the seedling planting mechanism is used for the reciprocating movement of the seedling holder, the operation timing of the seedling holder is less likely to be shifted with respect to the seedling planting mechanism.
実施例を説明する。第1図に示すように、図外の走行
機体の後端に取付けられた昇降リンク(1)に、苗植付
装置(A)を取付ける。この苗植付装置(A)を構成す
るに、走行機体の原動部(図外)より動力伝達を受ける
植付ケース(2)に横向き継ぎケースを介して複数個の
植付伝動ケース(3)を前後向きに配して、その植付伝
動ケース(3)の後端に苗植付機構(4)を軸支し、植
付伝動ケース(3)の上方に苗のせ台(5)及び植付伝
動ケース(3)の下方に接地フロート(6)を配置し
て、構成してある。An embodiment will be described. As shown in FIG. 1, a seedling planting device (A) is attached to a lifting link (1) attached to a rear end of a traveling body not shown. In order to configure the seedling planting apparatus (A), a plurality of planting transmission cases (3) are connected to a planting case (2) that receives power transmission from a driving portion (not shown) of the traveling machine body via a horizontal joint case. Are arranged in a front-rear direction, a seedling planting mechanism (4) is pivotally supported at the rear end of the planting transmission case (3), and a seedling rest (5) and a planting plant are placed above the planting transmission case (3). A ground float (6) is arranged below the transmission case (3).
前記苗のせ台(5)に縦送り機構(7)を設け、親株
より分割され、苗のせ面上に載置された複数条複数列の
藺草の小株苗(a)を苗取出し口(b)に向けて送り出
すべく構成する。この縦送り機構(7)は左右に往復横
移動する苗のせ台(5)の横移動端で作動するが、その
苗のせ台(5)の横移動機構は次のようになっている。
つまり、第4図に示すように、植付ケース(2)に対す
る入力軸(8)よりベベルギヤ伝動機構(9)を介して
横向き駆動軸(10)に伝動連結するとともに、この横向
き駆動軸(10)より各条毎の苗植付機構(4)に動力伝
達する。この横向き駆動軸(10)より中継軸(11)を介
して苗のせ台(5)横送り用の筒軸(12)に動力伝達す
る。前記筒軸(12)は苗のせ台(5)に一体連係された
螺旋軸(13)を、この螺旋軸(13)の軸心方向に駆動す
る。前記横向き駆動軸(10)と中継軸(11)とに亘って
間欠駆動歯車機構(14)を設け、苗のせ台(5)を間欠
横送りすべく構成するとともに、中継軸(11)と筒軸
(12)とに亘って二段の変速歯車機構(15)を設け、苗
植付機構(4)での苗取り量を可変できる構成としてあ
る。A vertical feed mechanism (7) is provided on the seedling stand (5), and a plurality of rows of a plurality of rows of small rush seedlings (a) split from the parent plant and placed on the seedling resting surface are placed in a seedling outlet (b). ). The vertical feed mechanism (7) operates at the laterally moving end of the seedling rest (5) reciprocating and moving laterally to the left and right. The lateral moving mechanism of the seedling rest (5) is as follows.
That is, as shown in FIG. 4, the input shaft (8) for the planting case (2) is operatively connected to the lateral drive shaft (10) via the bevel gear transmission mechanism (9). ) To transmit the power to the seedling planting mechanism (4) for each row. Power is transmitted from the lateral drive shaft (10) to the seedling stand (5) and the cylinder shaft (12) for lateral feed through the relay shaft (11). The cylindrical shaft (12) drives a spiral shaft (13) integrally linked to the seedling rest (5) in the axial direction of the spiral shaft (13). An intermittent drive gear mechanism (14) is provided between the lateral drive shaft (10) and the relay shaft (11) to intermittently feed the seedling rest (5). A two-stage transmission gear mechanism (15) is provided over the shaft (12) so that the amount of seedlings collected by the seedling mounting mechanism (4) can be varied.
このように、間欠駆動歯車機構(14)を変速歯車機構
(15)より伝動上手側でかつ横向き駆動軸(10)より動
力伝達を受けるようにしてあるので、苗植付機構(4)
の作動位相と苗のせ台(5)の横送り停止位置との位相
との食い違いがない。つまり、苗のせ台(5)の停止位
置は、苗植付機構(4)が、第1図で示す。上死点近く
の点(C)に到ったタイミングで設定されるのが望まし
い。As described above, the intermittent drive gear mechanism (14) is designed to receive power transmission from the transmission gear mechanism (15) on the transmission upper side and from the lateral drive shaft (10).
There is no discrepancy between the operation phase of the step (3) and the phase of the lateral feed stop position of the seedling placing table (5). That is, the stop position of the seedling placing table (5) is indicated by the seedling planting mechanism (4) in FIG. It is desirable to set the timing at the point (C) near the top dead center.
次に、苗植付機構(4)の苗取出し作動に先行して作
動し、苗(a)を苗取出し口(b)で保持する苗保持具
(16)について説明する。第1図に示すように、前後に
腰折れ可能な前揺動アーム(17)とこの前揺動アーム
(17)の後方に配置した後揺動アーム(18)とを植付伝
動ケース(3)に軸支するとともに、この前後揺動アー
ム(17),(18)に上下に腰折れ可能な苗保持アーム
(19)を連結して4連リンクを構成し、苗保持アーム
(19)の先端にフォーク状の苗保持部(19A)を形成し
て、苗保持具(16)を構成する。Next, a seedling holder (16) that operates prior to the seedling removal operation of the seedling planting mechanism (4) and holds the seedling (a) at the seedling outlet (b) will be described. As shown in FIG. 1, a front swing arm (17) that can be bent back and forth and a rear swing arm (18) disposed behind the front swing arm (17) are planted and transmitted in a transmission case (3). A four-way link is formed by connecting a seedling holding arm (19) that can be bent up and down to the front and rear swinging arms (17) and (18), at the tip of the seedling holding arm (19). A fork-shaped seedling holder (19A) is formed to constitute a seedling holder (16).
一方、苗植付機構(4)のクランク駆動軸(4A)に間
欠駆動歯車(20)を一体回転可能に装着するとともに、
この間欠駆動歯車(20)と咬合する間欠被動歯車(21)
を設け、間欠歯車機構(B)を構成する。この間欠被動
歯車(21)の回転軸と前揺動アーム(17)の回転軸とを
往復運動機構としてのリンク機構(R)で連係して、苗
保持具(16)を前後に往復駆動すべく構成する。前記リ
ンク構成(R)は、第2図に示すように、間欠被動歯車
(21)と一体回転する連結用ピン(21A)と、前揺動ア
ーム(17)の回転軸と一体揺動する揺動アーム(17A)
と、連結用ピン(21A)及び揺動アーム(17A)とを連結
するロッド(22)とからなる。このように、前記間欠歯
車機構(B)と前記往復運動機構(R)とによって前記
苗保持具(16)を間欠作動させる苗保持具駆動機構
(K)が構成されている。On the other hand, the intermittent drive gear (20) is attached to the crank drive shaft (4A) of the seedling planting mechanism (4) so as to be integrally rotatable,
Intermittent driven gear (21) that meshes with this intermittent drive gear (20)
Are provided to constitute the intermittent gear mechanism (B). The rotating shaft of the intermittent driven gear (21) and the rotating shaft of the front swing arm (17) are linked by a link mechanism (R) as a reciprocating mechanism to reciprocally drive the seedling holder (16) back and forth. It is configured as follows. As shown in FIG. 2, the link configuration (R) includes a connecting pin (21A) that rotates integrally with the intermittent driven gear (21), and a swing that swings integrally with the rotation shaft of the front swing arm (17). Moving arm (17A)
And a rod (22) for connecting the connecting pin (21A) and the swing arm (17A). Thus, the intermittent gear mechanism (B) and the reciprocating mechanism (R) constitute a seedling holder driving mechanism (K) for intermittently operating the seedling holder (16).
第3図に示すように、間欠駆動歯車(20)は中心角の
70゜分に亘る二つの咬合歯(20a)群を図示する間隔を
置いて配置し、その間隔部分には咬合歯(20a)を形成
していない。この間隔部分は大小(X),(Y)二つ有
り、大間隔部分(X)は苗保持具(16)が待機位置にあ
る状態を現出し、小間隔部分(Y)は苗取り出し口
(b)で苗保持具(16)が苗を保持する状態を現出し、
苗保持具(16)が苗取出し口(b)に向って移動する状
態と苗取り出し口(b)より後退する状態を二つの咬合
歯(20a)群が現出する。As shown in FIG. 3, the intermittent drive gear (20)
Two occlusal teeth (20a) groups over a distance of 70 ° are arranged at intervals as shown, and no occlusal teeth (20a) are formed in the interval. There are two large and small (X) and (Y) intervals, the large interval (X) shows the state where the seedling holder (16) is at the standby position, and the small interval (Y) shows the seedling outlet ( In b), the state where the seedling holding device (16) holds the seedling appears.
Two occlusal teeth (20a) groups appear in a state where the seedling holder (16) moves toward the seedling outlet (b) and a state where it retreats from the seedling outlet (b).
以上の状態より、常時回転する間欠駆動歯車(20)と
間欠被動歯車(21)とが間欠的に咬合することによっ
て、苗保持具(16)は、前進移動→苗(a)を保持して
停止→後退移動→待機位置で停止する状態を繰返す。From the above state, the intermittently driven intermittent drive gear (20) and the intermittent driven gear (21) intermittently engage, so that the seedling holder (16) moves forward and holds the seedling (a). The state of stopping → retreating → stopping at the standby position is repeated.
〔別実施例〕 間欠駆動歯車(20)としては、二つの咬合歯(20
a)群の間の苗保持停止用間隔(Y)は特に設けなくて
もよい。[Another Example] As the intermittent drive gear (20), two occlusal teeth (20
a) The interval (Y) for stopping the seedling holding between the groups may not be particularly provided.
苗保持具(16)としては四連リンク形態を採らず
に、前揺動アーム(17)と苗保持アーム(19)だけで構
成してもよい。The seedling holding tool (16) may be constituted only by the front swing arm (17) and the seedling holding arm (19) without adopting the quadruple link form.
間欠歯車機構(B)としては楕円等の非円形歯車で
形成してもよい。The intermittent gear mechanism (B) may be formed by a non-circular gear such as an ellipse.
尚、特許請求の範囲の項に図面との対照を便利にする
為に符号を記すが、該記入により本発明は添付図面の構
成に限定されるものではない。In the claims, reference numerals are provided for convenience of comparison with the drawings, but the present invention is not limited to the configuration shown in the attached drawings.
図面は本発明に係る苗移植機の実施例を示し、第1図は
苗植付装置を示す側面図、第2図は苗保持具の駆動系を
示す側面図、第3図は苗保持具の駆動系に介装された間
欠歯車機構を示す正面図、第4図は苗のせ台の横送り伝
動系を示す構成図である。 (a)……苗、(b)……苗取出し口、(4)……苗植
付機構、(5)……苗のせ台、(16)……苗保持具、
(B)……間欠歯車機構、(K)……苗保持具駆動機
構、(R)……往復運動機構。The drawings show an embodiment of a seedling transplanter according to the present invention, FIG. 1 is a side view showing a seedling planting apparatus, FIG. 2 is a side view showing a drive system of a seedling holding tool, and FIG. FIG. 4 is a front view showing an intermittent gear mechanism interposed in the drive system shown in FIG. (A) ... seedlings, (b) ... seedling outlet, (4) ... seedling planting mechanism, (5) ... seedling holder, (16) ... seedling holder,
(B): intermittent gear mechanism, (K): seedling holder drive mechanism, (R): reciprocating mechanism.
Claims (1)
(a)を苗取出し口(b)に向けて送り出すよう構成
し、前記苗取出し口(b)から苗(a)を一株づつ取出
して植付ける苗植付機構(4)を備えるとともに、この
苗植付機構(4)の苗取出し作動に先立って、待機位置
より前記苗取出し口(b)に向けて移動し、その移動し
た位置で前記苗取出し口(b)まで繰出された先頭の苗
(a)を保持し、前記苗植付機構(4)が苗(a)を取
出した後、前記待機位置に戻り停止するように間欠作動
を行う苗保持具(16)を設けてある苗移植機であって、
前記苗保持具(16)を間欠作動させる苗保持具駆動機構
(K)を設けるとともに、この苗保持具駆動機構(K)
を、苗植付機構(4)の駆動伝動系の動力が伝えられる
間欠歯車機構(B)と、その間欠歯車機構(B)の間欠
回転出力を苗保持具(16)の往行程運動と復行程運動と
に変換する往復運動機構(R)とから構成してある苗移
植機。The present invention is characterized in that a seedling (a) of a crop placed on a seedling stand (5) is sent out to a seedling outlet (b), and the seedling (a) is transferred from the seedling outlet (b). A seedling planting mechanism (4) for taking out and planting one plant at a time, and moving from a standby position toward the seedling outlet (b) prior to the seedling planting operation of the seedling planting system (4); At the moved position, the leading seedling (a) fed to the seedling outlet (b) is held, and after the seedling planting mechanism (4) takes out the seedling (a), the seedling is returned to the standby position and stopped. A seedling transplanter provided with a seedling holder (16) performing intermittent operation so as to perform
A seedling holder driving mechanism (K) for intermittently operating the seedling holder (16) is provided, and the seedling holder driving mechanism (K) is provided.
The intermittent gear mechanism (B) to which the power of the drive transmission system of the seedling planting mechanism (4) is transmitted, and the intermittent rotation output of the intermittent gear mechanism (B) are returned to the forward stroke motion of the seedling holder (16). And a reciprocating mechanism (R) for converting into a stroke movement.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2323927A JP2571309B2 (en) | 1990-11-26 | 1990-11-26 | Seedling transplanter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2323927A JP2571309B2 (en) | 1990-11-26 | 1990-11-26 | Seedling transplanter |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH04190707A JPH04190707A (en) | 1992-07-09 |
JP2571309B2 true JP2571309B2 (en) | 1997-01-16 |
Family
ID=18160182
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2323927A Expired - Lifetime JP2571309B2 (en) | 1990-11-26 | 1990-11-26 | Seedling transplanter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2571309B2 (en) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0742886B2 (en) * | 1987-07-10 | 1995-05-15 | 日産自動車株式会社 | Control device for internal combustion engine |
-
1990
- 1990-11-26 JP JP2323927A patent/JP2571309B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH04190707A (en) | 1992-07-09 |
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