JPH082205B2 - Rice planting equipment for rice transplanters - Google Patents
Rice planting equipment for rice transplantersInfo
- Publication number
- JPH082205B2 JPH082205B2 JP62080345A JP8034587A JPH082205B2 JP H082205 B2 JPH082205 B2 JP H082205B2 JP 62080345 A JP62080345 A JP 62080345A JP 8034587 A JP8034587 A JP 8034587A JP H082205 B2 JPH082205 B2 JP H082205B2
- Authority
- JP
- Japan
- Prior art keywords
- gear
- planting
- case
- claws
- posture
- 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
Landscapes
- Transplanting Machines (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、苗の植付作業の高速化を図った田植機の苗
植付装置に関する。TECHNICAL FIELD The present invention relates to a seedling planting device for a rice transplanter that speeds up seedling planting work.
近年、田植作業全体の作業能率の向上を図るべく植付
けの高速化の要望が高まってきており、その高速化を具
体化した構造の一例が特開昭60-199309号公報及び特開
昭61-5712号公報に開示されている。開示されている構
成では、植付ミッションケースの横軸芯周りに回転駆動
される植付ケース両端に２組の植付爪を備えて、１条の
植付けを２組の植付爪で行う構成であり、植付速度を従
来の２倍近くにまで引き上げることが可能となってい
る。In recent years, there has been an increasing demand for speeding up of planting in order to improve the work efficiency of the entire rice planting work, and an example of a structure embodying the speeding up is disclosed in JP-A-60-199309 and JP-A-61- It is disclosed in Japanese Patent No. 5712. In the disclosed configuration, two sets of planting claws are provided at both ends of the planting case that is rotationally driven around the horizontal axis of the planting mission case, and one planting is performed by two sets of planting claws. Therefore, it is possible to increase the planting speed to almost twice as fast as the conventional one.
そして、植付ケース回転中での両植付爪の姿勢は植付
ケースに内装された楕円ギヤ又は偏芯ギヤの複数段のギ
ヤ咬合いによって決定されている。Then, the postures of both the planting claws during the rotation of the planting case are determined by a plurality of gear engagements of an elliptical gear or an eccentric gear installed in the planting case.
１組の植付爪で１条の植付けを行う既存の機種におい
ては、植付爪の通過軌跡は上下方向の直線往復運動に略
近いものとなるのであるが、前述したように回転する植
付ケースの両端に植付爪を備えた型式では植付爪の通過
軌跡は円に近い楕円状となってしまう。従って、植付爪
が泥面に突入し苗を植付けて泥面から出て行くまでの軌
跡が前後に長くなってしまい、植付爪による泥掻きの現
象が生じて、植付け後の苗倒れが生じる虞がある。In the existing model that performs one row of planting with one set of planting claws, the path of passage of the planting claws is almost similar to the linear reciprocating motion in the up-and-down direction. In the case of a model equipped with planting claws at both ends of the case, the locus of passage of the planting claws becomes an ellipse close to a circle. Therefore, the path from the planting claws rushing into the mud surface to planting the seedlings and exiting from the mud surface becomes longer in the front and back, and the phenomenon of mud scraping due to the planting claws occurs, causing the seedlings to fall after planting. May occur.
そこで、公報に開示された従来例の構造では植付爪の
姿勢を決定する各ギヤを楕円ギヤ又は偏芯ギヤに構成す
ることで、植付ケースが一定の角速度で回転する際にお
ける植付爪の回転の角速度を変化させて、植付爪の通過
軌跡が上下方向に細長い楕円状となるようにして、泥掻
きを少なくするようにしていた。しかし、この従来例の
植付爪の通過軌跡は第９図に示すようなものであり、泥
掻き長（Ｌ）は未だ相当大きく植付後の苗倒れの防止に
は不充分であった。尚、この不都合を解消する目的で、
楕円ギヤ又は偏芯ギヤの変形の程度を大きくして前記角
速度の変化の率を大きく設定することも考えられるが、
楕円ギヤでは長径と短径との比率だけが変更可能な要素
であり、偏芯ギヤでは離芯距離だけが変更可能な要素で
あるので、所定の回転位相で所望の角速度を得ることが
困難であり、しかも、このように大きく変形したギヤで
はバックラッシュも大きくなるので、この点も改善の余
地がある。Therefore, in the structure of the conventional example disclosed in the publication, by configuring each gear that determines the posture of the planting claw as an elliptical gear or an eccentric gear, the planting claw when the planting case rotates at a constant angular velocity. By changing the angular velocity of the rotation, the trajectories of the planting claws are elongated elliptical in the vertical direction to reduce mud scratching. However, the path of passage of the planting claw of this conventional example is as shown in FIG. 9, and the mud scratching length (L) was still considerably large, and it was insufficient to prevent the seedlings from falling after planting. For the purpose of eliminating this inconvenience,
It is also possible to increase the degree of deformation of the elliptical gear or the eccentric gear to set the rate of change of the angular velocity to a large value.
In the elliptical gear, only the ratio between the major axis and the minor axis can be changed, and in the eccentric gear, only the eccentric distance can be changed, so it is difficult to obtain a desired angular velocity in a predetermined rotation phase. There is also room for improvement in this respect, because the gears that have undergone such a large deformation also cause large backlash.
ここで本発明は前述の問題に着目し回転２本植付爪型
式において、植付爪の泥掻き現象をさらに少なくするこ
とを目的としている。In view of the above-mentioned problems, the present invention aims to further reduce the mud-scratching phenomenon of the planting nail in the two-rotating two-planting nail type.
本発明の特徴は以上述べたような２本の植付爪型式に
おいて、植付ミッションケースから横側方に突出し回転
駆動される駆動軸に植付ケースを固定し、前記植付ケー
ス内の回転中心部位に第１ギヤを前記植付ミッションケ
ースに対して固定状態で配置すると共に、前記植付ケー
スの両端に一対の植付爪を備え、この植付爪を支持する
支持軸に第２ギヤを固定し、さらに前記第１ギヤと両第
２ギヤとの間に、第１ギヤに咬合する第１中間ギヤと、
第２ギヤに咬合する第２中間ギヤとを一体回転自在に配
置し、且つ、前記第１ギヤ、第２ギヤ、第１中間ギヤ、
第２中間ギヤ夫々を非円形ギヤに構成して複数段のギヤ
咬合いにより、植付ケース回転中の各回転位相における
両植付爪の姿勢を決定して、両植付爪が苗のせ台より交
互に苗を切り出し圃場に植付けて行くように構成してあ
ることにあり、その作用及び効果は次の通りである。The feature of the present invention is that, in the two planting claw type as described above, the planting case is fixed to a drive shaft that laterally protrudes from the planting mission case and is rotationally driven, and the rotation in the planting case is performed. A first gear is arranged at a central portion in a fixed state with respect to the planting mission case, a pair of planting claws are provided at both ends of the planting case, and a second gear is provided on a support shaft supporting the planting claw. And a first intermediate gear that meshes with the first gear between the first gear and both second gears,
A second intermediate gear that meshes with a second gear is integrally rotatably arranged, and the first gear, the second gear, the first intermediate gear,
Each of the second intermediate gears is configured as a non-circular gear, and the postures of both the planting claws in each rotation phase during rotation of the planting case are determined by the gear engagements of a plurality of stages, and the two planting claws are set on the seedling stand. The seedlings are alternately cut out and planted in a field, and the action and effect are as follows.
開示されている従来構造において植付爪の姿勢、つま
り植付爪の泥掻き長を短かくすることのできる要素は楕
円ギヤ型式においては楕円ギヤの長径と短径の比率のみ
であり、偏芯ギヤ型式においてはギヤの偏芯距離のみで
ある。これに対して本発明のように、植付爪の姿勢を決
定する各ギヤを非円形ギヤ、つまり任意の形状とするこ
と、及び、第１ギヤと第２ギヤとの間に配置され、る中
間ギヤを第１中間ギヤと第２中間ギヤとの２枚のギヤで
構成することでこの中間ギヤを１枚のギヤで構成したも
のと比較して夫々のギヤの形状を円形ギヤから大きく変
形させずとも、理想に近い角速度変化を得ることが可能
となる結果、前記従来例に比べて泥掻き長さを短かくで
きる。しかも、この構成では第１ギヤ、第２ギヤ、第１
中間ギヤ、第２中間ギヤ夫々を円形ギヤから大きく変形
しない形状のものを用いれるので、ギヤ同士の咬合いに
無理がなく、大きいバックラッシュを発生させ難いもの
となる。In the disclosed conventional structure, the posture of the planting claw, that is, the element that can shorten the mud scraping length of the planting claw is only the ratio of the major axis to the minor axis of the elliptical gear in the elliptical gear type, and eccentricity In the gear type, it is only the eccentric distance of the gear. On the other hand, like the present invention, each gear that determines the posture of the planting claw is a non-circular gear, that is, has an arbitrary shape, and is arranged between the first gear and the second gear. By configuring the intermediate gear by the two gears of the first intermediate gear and the second intermediate gear, the shape of each gear is greatly modified from the circular gear as compared with the one configured by this intermediate gear. As a result, it is possible to obtain an angular velocity change close to an ideal value without doing so, and as a result, the mud scraping length can be shortened as compared with the conventional example. Moreover, in this configuration, the first gear, the second gear, the first gear
Since each of the intermediate gear and the second intermediate gear has a shape that does not largely deform from the circular gear, the meshing of the gears is not difficult, and a large backlash is unlikely to occur.
以上のように、植付爪の姿勢を決定する要素を従来構
造に比べて多くすることができたので、植付爪の泥掻き
長をさらに短かくすることが比較的容易に行うことがで
きるようになり、植付爪の泥掻きによる苗倒れをより少
なくすることができるようになる。特に、本発明では、
ギヤのバックラッシュを小さくできるので植付爪のガタ
ツキを小さくして、植付爪を適正な姿勢に維持して苗の
せ台から苗を切り出し、又、植付爪を適正な姿勢に維持
して圃場への苗の植付を可能にするという効果も奏す
る。As described above, since the number of elements that determine the posture of the planting nail can be increased as compared with the conventional structure, the mud scraping length of the planting nail can be further shortened relatively easily. As a result, it is possible to further reduce the fall of the seedling due to the mud scratching of the planting nail. In particular, in the present invention,
Since the backlash of the gear can be reduced, the rattling of the planting claws can be reduced, the planting claws can be maintained in a proper posture, the seedlings can be cut out from the seedling stand, and the planting claws can be maintained in a proper posture. It also has the effect of enabling planting of seedlings in the field.
以下、本発明の実施例の一つである常用型田植機の苗
植付装置について図面に基づいて説明する。Hereinafter, a seedling planting device for a regular rice transplanter, which is one of the embodiments of the present invention, will be described with reference to the drawings.
第８図に示すように植付ミッションケース（１）後端
の横軸芯（P1）周りに植付ケース（２）が回転駆動自在
に支持されると共に、前記植付ケース（２）の両端に２
組の植付爪（3A），（3B）が備えられており、植付ケー
ス（２）の回転に伴い２組の植付爪（3A），（3B）が苗
のせ台（４）の苗取出し口（4a）より交互に苗を切り取
り圃場に植付けていくように構成されている。前記植付
ミッションケース（１）下部には整地兼姿勢維持用のフ
ロート（５）が設けられ、これら苗植付装置がリンク機
構（６）を介して装輪式の走行機体（図外）に昇降自在
に連結されている。With 8 the planting transmission case (1) as shown in FIG horizontal axis of the rear end (P 1) the planting case around (2) is supported freely rotated, the planting case (2) 2 at both ends
A set of planting claws (3A), (3B) is provided, and two sets of planting claws (3A), (3B) are attached to the seedling stand (4) as the planting case (2) rotates. The seedlings are alternately cut off from the take-out port (4a) and planted in the field. A float (5) for leveling and maintaining posture is provided under the planting mission case (1), and these seedling planting devices are connected to a wheeled traveling body (not shown) via a link mechanism (6). It is connected so that it can be raised and lowered.
次に、植付ミッションケース（１）内の構造について
詳述すると第６図に示すように、エンジン（図外）から
の動力は植付ミッションケース（１）の入力軸（12）に
伝達される。この入力軸（12）には側面に咬合部を有す
るシフト部材（17）がスプライン嵌合されると共に、側
面に同様の咬合部を有する伝動スプロケット（18）が遊
転自在に外嵌されており、前記シフト部材（17）はバネ
（19）により伝動スプロケット（18）側に付勢され、伝
動スプロケット（18）に咬合することにより動力は伝動
スプロケット（18）からチェーン（20）によって下手側
に伝達されて行く。Next, the structure inside the planted mission case (1) will be described in detail. As shown in FIG. 6, the power from the engine (not shown) is transmitted to the input shaft (12) of the planted mission case (1). It A shift member (17) having an occlusal portion on the side surface is spline-fitted to the input shaft (12), and a transmission sprocket (18) having a similar occlusal portion on the side surface is fitted onto the input shaft (12) so as to freely rotate. The shift member (17) is urged toward the transmission sprocket (18) by the spring (19), and when the shift member (17) is engaged with the transmission sprocket (18), the power is transferred from the transmission sprocket (18) to the lower side by the chain (20). It is transmitted.
前記シフト部材（17）を揺動式のシフター（21）によ
って伝動スプロケット（18）より離間させ動力伝達の切
り操作が行えるのであるが、伝動スプロケット（18）に
は切欠き部を有する円板状の牽制板（22）が取付けられ
ており、前記シフター（21）に固定された牽制アーム
（21a）が牽制板（22）の切欠き部に位置した場合にの
みシフター（21）を操作できるように構成している。図
はこの場合の状態を示しており、シフター（21）により
シフト部材（17）が離間操作されると共に、牽制アーム
（21a）が牽制板（22）の切欠き部に係入して伝動スプ
ロケット（18）をこの位置で係止固定しているのであ
る。そして、前記係止固定位置において植付ケース
（２）が泥面と略平行、つまり両植付爪（3A），（3B）
が泥面より持ち上がった状態で停止するように設定して
いる。The shift member (17) can be separated from the transmission sprocket (18) by an oscillating shifter (21) to cut off the power transmission. The transmission sprocket (18) has a disc-like shape with a notch. The checker plate (22) is attached and the shifter (21) can be operated only when the checker arm (21a) fixed to the shifter (21) is located in the notch of the checker plate (22). Is configured. The figure shows the state in this case, in which the shift member (17) is operated to be separated by the shifter (21), and the check arm (21a) is engaged with the notch of the check plate (22) to transmit the transmission sprocket. (18) is locked and fixed at this position. The planting case (2) is substantially parallel to the mud surface at the locking and fixing position, that is, both planting claws (3A), (3B).
Is set to stop when it is lifted from the mud.
次に、植付ケース（２）内の構造について詳述すると
第６図に示すように、植付ミッションケース（１）から
左右に駆動軸（７）が突出し、この駆動軸（７）の両端
に前記植付ケース（２）が固定されると共に、駆動軸
（７）の中央部に設けられた受動スプロケット（８）に
前記チェーン（20）が巻回されているのである。そし
て、前記駆動軸（７）には植付ミッションケース（１）
に固定された円筒軸（９）が外嵌され植付ケース（２）
内に突入しており、植付ケース（２）内の円筒軸（９）
部位に第１ギヤ（10）が固定されている。Next, the structure inside the planting case (2) will be described in detail. As shown in FIG. 6, the drive shaft (7) projects from the planting mission case (1) to the left and right, and both ends of this drive shaft (7). The planted case (2) is fixed to, and the chain (20) is wound around a passive sprocket (8) provided at the center of the drive shaft (7). The drive shaft (7) has a planted mission case (1).
Cylindrical shaft (9) fixed to the outside is fitted and planted case (2)
Cylindrical shaft (9) inside the planting case (2)
The first gear (10) is fixed to the part.
次に、植付爪（3A），（3B）及びその取付け構造につ
いて述べると第６図及び第７図に示すように、植付ケー
ス（２）両端から側方に固定軸（11）が突出すると共
に、この固定軸（11）に円筒状の支持軸（13），（13）
が逆転外嵌され、この支持軸（13），（13）に植付爪
（3A），（3B）が固定されている。植付爪（3A），（3
B）先端には固定爪（14）と出退式の押出し部（15）と
が備えられており、前記押出し部（15）は揺動アーム
（16）を介してバネ（23）により突出側に付勢されてい
る。前記固定軸（11）の端部にはカム部（11a）が設け
られており、このカム部（11a）と前記揺動アーム（1
6）との接当作用により、押出し部（15）が前記苗取出
し口（4a）通過時に退入して苗を切り出し、泥内に突入
した際に押出し部（15）がバネ（23）の付勢力によって
苗を泥内に押出し植付けて行くように構成されているの
である。尚、固定爪（14）に取付けられた線材（24）は
苗を苗取出し口（4a）より切り出してから植付けるま
で、苗が落ちないように固定爪（14）との間で苗を挾持
しておく部材である。Next, the planting claws (3A), (3B) and their mounting structures will be described. As shown in FIGS. 6 and 7, the fixed shaft (11) projects laterally from both ends of the planting case (2). At the same time, the fixed shaft (11) has cylindrical support shafts (13), (13).
Is externally fitted in the reverse direction, and the planting claws (3A) and (3B) are fixed to the support shafts (13) and (13). Planted nails (3A), (3
B) The tip is provided with a fixed claw (14) and a push-out type push-out part (15), and the push-out part (15) is protruded by a spring (23) via a swing arm (16). Is urged by. A cam portion (11a) is provided at an end of the fixed shaft (11), and the cam portion (11a) and the swing arm (1) are provided.
Due to the contacting action with 6), the push-out part (15) withdraws when the seedling take-out port (4a) passes and cuts out the seedlings, and when the push-out part (15) rushes into the mud, the push-out part (15) has the spring (23). The seedlings are extruded into the mud by the biasing force and planted. The wire rod (24) attached to the fixed claw (14) holds the seedling between the fixed claw (14) so that the seedling does not drop until the seedling is cut out from the seedling take-out port (4a) and planted. It is a member to keep.
次に、植付爪（3A），（3B）の姿勢を決定する構造に
ついて詳述すると、第６図及び第２図（イ），（ロ），
（ハ）に示すように植付爪（3A），（3B）の支持軸（1
3）に第２ギヤ（25）が固定されると共に、この第２ギ
ヤ（25），（25）と前記第１ギヤ（10）との間に中間軸
（26），（26）が配置支持されている。そして、前記第
１ギヤ（10）と咬合う第１中間ギヤ（27a），（27a）が
中間軸（26），（26）に固定されると共に、前記第２ギ
ヤ（25），（25）と咬合う第２中間ギヤ（27b），（27
b）も前記中間軸（26），（26）に固定されている。そ
して、前記第１ギヤ（10）、第１・第２中間ギヤ（27
a），（27b）及び第２ギヤ（25）の各々が同図に示すよ
うに非円形ギヤに成形されて互いに咬合っているのであ
る。Next, the structure for determining the postures of the planting claws (3A) and (3B) will be described in detail. Fig. 6 and Fig. 2 (a), (b),
As shown in (c), the support shaft (1) of the planting claws (3A) and (3B)
The second gear (25) is fixed to 3), and the intermediate shafts (26), (26) are arranged and supported between the second gears (25), (25) and the first gear (10). Has been done. Then, the first intermediate gears (27a), (27a) that mesh with the first gear (10) are fixed to the intermediate shafts (26), (26), and the second gears (25), (25) Second intermediate gear (27b), (27
b) is also fixed to the intermediate shafts (26) and (26). Then, the first gear (10) and the first and second intermediate gears (27
Each of a), (27b) and the second gear (25) is formed into a non-circular gear and meshes with each other as shown in the figure.
以上の構成によって植付ケース（２）の回転に伴い第
１図に示すように、固定爪（14）先端は一点鎖線で示す
ような軌跡（Ａ）を通過して行くのである。さらに詳述
すると、軌跡（Ａ）の最上部付近では第２図（イ）に示
すような姿勢、つまり、苗のせ台（４）に対して略直交
する状態で苗取出し口（4a）を通過する。その際の植付
ケース（２）内の各ギヤの状態は第２図（イ），
（ロ），（ハ）に示すとおりである。第２図（イ）の姿
勢から約90°回転すると植付爪（3A），（3B）は第３図
に示す姿勢のような状態となり、植付ケース（２）内の
各ギヤの状態は同図に示すような状態となるのである。With the above structure, as the planting case (2) rotates, the tip of the fixed claw (14) passes along the locus (A) shown by the alternate long and short dash line as shown in FIG. More specifically, in the vicinity of the uppermost part of the locus (A), the posture shown in FIG. 2 (A), that is, the posture passing substantially through the seedling stand (4), passes through the seedling take-out port (4a). To do. The state of each gear in the planted case (2) at that time is shown in Fig. 2 (a),
It is as shown in (b) and (c). When rotated about 90 ° from the posture of Fig. 2 (a), the planting claws (3A) and (3B) are in the state as shown in Fig. 3, and the state of each gear in the planting case (2) is The state is as shown in FIG.
そして、植付爪（3A），（3B）が泥面に近づいて来る
と植付ケース（２）の回転にかかわらず、前記姿勢から
若干下向きの姿勢で泥内に突入して苗を植付ける。第４
図に示す姿勢は苗植付け直後の姿勢であり、この姿勢で
の植付ケース（２）内の各ギヤは同図に示すような状態
となっている。以上のように、泥突入から脱出までの第
１図に示す植付爪（3A），（3B）の泥掻き長（ｌ）は第
９図に示す従来の泥掻き長（Ｌ）よりも短かくなるので
ある。そして、苗の植付けが終了し植付ケース（２）が
さらに回転して行くと、植付爪（3A），（3B）は第５図
に示すように最初の第２図（イ）に示す姿勢に近い姿勢
に復帰して行き、この姿勢での植付ケース（２）内の各
ギヤの状態は同図に示すような状態となっているのであ
る。Then, when the planting claws (3A) and (3B) approach the mud surface, regardless of the rotation of the planting case (2), the seedlings are rushed into the mud in a slightly downward posture from the above posture to plant the seedlings. . Fourth
The posture shown in the figure is the posture immediately after planting the seedlings, and the gears in the planting case (2) in this posture are as shown in the same figure. As described above, the mud scraping length (l) of the planting claws (3A) and (3B) shown in Fig. 1 from the mud plunge to the escape is shorter than the conventional mud scraping length (L) shown in Fig. 9. It will get worse. Then, when the planting of the seedlings is completed and the planting case (2) is further rotated, the planting claws (3A) and (3B) are first shown in FIG. 2 (a) as shown in FIG. After returning to a posture close to the posture, the state of each gear in the planting case (2) in this posture is as shown in the figure.
このように、本発明では第１ギヤ（10）と第２ギヤ
（25）との間に一体回転する２つの中間ギヤ（27a），
（2b）を備え、夫々に非円形ギヤを用いることによって
これらのギヤの形状を円形ギヤから大きく変形させずと
も、理想に近い角速度変化を得ることが可能となり、従
来例に比べて泥掻き長を短かくして苗倒れを少なくでき
る。しかも、この構成では第１ギヤ（10）、第２ギヤ
（25）、第１中間ギヤ（27a）、第２中間ギヤ（27b）夫
々を円形ギヤから大きく変形しない形状のものを用いれ
るので、ギヤ同士の咬合いに無理がなく、バックラッシ
ュも小さくなるので植付爪（3A），（3B）のガタツキを
小さくして、植付爪（3A），（3B）を適正な姿勢に維持
して苗のせ台（４）から苗を切り出し、植付爪（3A），
（3B）を適正な維持して圃場への苗の植付を可能にする
ものとなっている。As described above, in the present invention, the two intermediate gears (27a) that rotate integrally between the first gear (10) and the second gear (25),
(2b) and by using non-circular gears for each, it is possible to obtain angular velocity changes close to ideal without changing the shape of these gears significantly from the circular gears. You can shorten the seedling and reduce seedling fall. Moreover, in this configuration, since the first gear (10), the second gear (25), the first intermediate gear (27a), and the second intermediate gear (27b) each have a shape that does not significantly deform from the circular gear, Since there is no difficulty in meshing the gears and backlash is small, rattling of the planting claws (3A) and (3B) is reduced, and the planting claws (3A) and (3B) are maintained in proper postures. Cut out the seedlings from the seedling stand (4) and plant nails (3A),
(3B) is properly maintained to enable planting of seedlings in the field.
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
造に限定されるものではない。It should be noted that reference numerals are added to the claims for convenience of comparison with the drawings, but the present invention is not limited to the structures of the accompanying drawings by the entry.
図面は本発明に係る田植機の苗植付装置の実施例を示
し、第１図は本発明における植付爪の通過軌跡を示す側
面図、第２図（イ）は植付爪が苗取出し口を通過する直
前における植付爪の姿勢及び植付ケース内の各ギヤの咬
合状態を示す側面図、第２図（ロ）は第２図（イ）に示
す状態での第２ギヤと第２中間ギヤとの咬合い状態を示
す側面図、第２図（ハ）は第２図（イ）に示す状態での
第１ギヤと第１中間ギヤとの咬合い状態を示す側面図、
第３図は第２図（イ）に示す状態から約90°回転した状
態における植付爪の姿勢及び植付ケース内の各ギヤの咬
合状態を示す側面図、第４図は第３図に示す状態からさ
らに回転して苗を植付けた直後における植付爪の姿勢及
び植付ケース内の各ギヤの咬合状態を示す側面図、第５
図は第４図に示す状態からさらに約90°回転した状態に
おける植付爪の姿勢及び植付ケース内の各ギヤの咬合状
態を示す側面図、第６図は植付ミッションケース及び植
付ケースの横断平面図、第７図は植付爪の縦断側面図、
第８図は苗植付装置の全体側面図、第９図は従来構成に
おける植付爪の通過軌跡を示す側面図である。 （１）……植付ミッションケース、（２）……植付ケー
ス、（3A），（3B）……植付爪、（４）……苗のせ台、
（７）……駆動軸、（10）……第１ギヤ、（13）……支
持軸、（25）……第２ギヤ、（27a）……第１中間ギ
ヤ、（27b）……第２中間ギヤ、（P1）……回転中心。The drawings show an embodiment of a seedling planting device of a rice transplanter according to the present invention, FIG. 1 is a side view showing a passage locus of the planting claws according to the present invention, and FIG. FIG. 2B is a side view showing the posture of the planting claw immediately before passing through the mouth and the occlusal state of each gear in the planting case. FIG. 2B shows the second gear and the second gear in the state shown in FIG. 2 is a side view showing a meshed state with the intermediate gear, FIG. 2 (c) is a side view showing a meshed state between the first gear and the first intermediate gear in the state shown in FIG. 2 (a),
FIG. 3 is a side view showing the posture of the planting claw and the engagement state of each gear in the planting case in a state rotated by about 90 ° from the state shown in FIG. 2 (a), and FIG. 4 is shown in FIG. FIG. 5 is a side view showing the posture of the planting claw and the biting state of each gear in the planting case immediately after the seedling is planted by further rotating from the state shown in FIG.
The figure is a side view showing the posture of the planting claw and the engagement state of each gear in the planting case when it is rotated about 90 ° further from the state shown in FIG. 4, and FIG. 6 is the planting mission case and planting case. Fig. 7 is a horizontal cross-sectional plan view of Fig.
FIG. 8 is an overall side view of the seedling planting device, and FIG. 9 is a side view showing the path of passage of the planting claw in the conventional configuration. (1) …… Planting mission case, (2) …… Planting case, (3A), (3B) …… Planting nail, (4) …… Seedling stand,
(7) ... Drive shaft, (10) ... First gear, (13) ... Support shaft, (25) ... Second gear, (27a) ... First intermediate gear, (27b) ... First 2 Intermediate gear, (P 1 ) …… Center of rotation.
Claims (1)
突出し回転駆動される駆動軸（７）に植付ケース（２）
を固定し、前記植付ケース（２）内の回転中心（P1）部
位に第１ギヤ（10）を前記植付ミッションケース（１）
に対して固定状態で配置すると共に、前記植付ケース
（２）の両端に一対の植付爪（3A），（3B）を備え、こ
の植付爪（3A），（3B）を支持する支持軸（13），（1
3）に第２ギヤ（25），（25）を固定し、さらに前記第
１ギヤ（10）と両第２ギヤ（25），（25）との間に、第
１ギヤ（10）に咬合する第１中間ギヤ（27a）と、第２
ギヤ（25）に咬合する第２中間ギヤ（27b）とを一体回
転自在に配置し、且つ、前記第１ギヤ（10），（10）、
第２ギヤ（25），（25）、第１中間ギヤ（27a），（27
a）、第２中間ギヤ（27b），（27b）夫々を非円形ギヤ
に構成して複数段のギヤ咬合いにより、植付ケース
（２）回転中の各回転位相における両植付爪（3A），
（3B）の姿勢を決定して、両植付爪（3A），（3B）が苗
のせ台（４）より交互に苗を切り出し圃場に植付けて行
くように構成してある田植機の苗植付装置。1. A planting case (2) attached to a drive shaft (7) which is laterally projected from the planting mission case (1) and is driven to rotate.
And the first gear (10) at the rotation center (P 1 ) in the planted case (2).
And a pair of planting claws (3A) and (3B) at both ends of the planting case (2) and supporting the planting claws (3A) and (3B). Axis (13), (1
The second gear (25), (25) is fixed to 3), and further, the first gear (10) and the both gears (25), (25) are engaged with the first gear (10). The first intermediate gear (27a) and the second
A second intermediate gear (27b) that meshes with the gear (25) is rotatably arranged integrally, and the first gear (10), (10),
Second gear (25), (25), first intermediate gear (27a), (27
a), each of the second intermediate gears (27b), (27b) is configured as a non-circular gear, and the gear engagement of a plurality of stages allows the planting case (2) to have both planting claws (3A) at each rotation phase during rotation. ),
(3B) posture is determined, and both planting claws (3A) and (3B) alternately cut out the seedlings from the seedling stand (4) and plant them in the field. Attached device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62080345A JPH082205B2 (en) | 1987-03-31 | 1987-03-31 | Rice planting equipment for rice transplanters |
| KR1019880000024A KR900004769B1 (en) | 1987-03-31 | 1988-01-06 | Transplanter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62080345A JPH082205B2 (en) | 1987-03-31 | 1987-03-31 | Rice planting equipment for rice transplanters |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63245610A JPS63245610A (en) | 1988-10-12 |
| JPH082205B2 true JPH082205B2 (en) | 1996-01-17 |
Family
ID=13715664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62080345A Expired - Lifetime JPH082205B2 (en) | 1987-03-31 | 1987-03-31 | Rice planting equipment for rice transplanters |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH082205B2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60221009A (en) * | 1984-04-17 | 1985-11-05 | ヤンマー農機株式会社 | Seedling planter of rice planter |
| JPS6371114A (en) * | 1986-09-12 | 1988-03-31 | ヤンマー農機株式会社 | Gear apparatus in rotary planter |
| JPS6374413A (en) * | 1986-09-17 | 1988-04-04 | 井関農機株式会社 | Transplanter |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60164U (en) * | 1983-06-17 | 1985-01-05 | 富士通株式会社 | Head up mechanism |
| JPS61112957U (en) * | 1984-12-28 | 1986-07-17 | ||
| JPS61172769A (en) * | 1985-01-26 | 1986-08-04 | Olympus Optical Co Ltd | Thermal head pressing apparatus of thermal transfer printer |
-
1987
- 1987-03-31 JP JP62080345A patent/JPH082205B2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60221009A (en) * | 1984-04-17 | 1985-11-05 | ヤンマー農機株式会社 | Seedling planter of rice planter |
| JPS6371114A (en) * | 1986-09-12 | 1988-03-31 | ヤンマー農機株式会社 | Gear apparatus in rotary planter |
| JPS6374413A (en) * | 1986-09-17 | 1988-04-04 | 井関農機株式会社 | Transplanter |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63245610A (en) | 1988-10-12 |
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