JP5245663B2 - Seedling transplanter - Google Patents

Seedling transplanter Download PDF

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JP5245663B2
JP5245663B2 JP2008233658A JP2008233658A JP5245663B2 JP 5245663 B2 JP5245663 B2 JP 5245663B2 JP 2008233658 A JP2008233658 A JP 2008233658A JP 2008233658 A JP2008233658 A JP 2008233658A JP 5245663 B2 JP5245663 B2 JP 5245663B2
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seedling
seedling planting
planting
frame
elliptical orbit
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JP2010063415A (en
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勝野  志郎
村並  昌実
英明 黒瀬
土井  宏貴
暢宏 山根
大久保  嘉彦
幸太 東
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Iseki and Co Ltd
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Iseki and Co Ltd
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Description

本発明は、畑用の苗移植機に関する。   The present invention relates to a field seedling transplanter.

ねぎなどの苗を植付ける歩行型の苗移植機は、多数の苗を載置できる苗枠と該苗枠から供給される苗を収容する苗供給カップをターンテーブル状に回転させる苗供給装置と該苗供給装置から落下する苗を圃場に植え付けるための苗植付装置を備えている。
特開2005−341820号公報
A walking type seedling transplanter for planting seedlings such as green onions, a seedling frame that can mount a large number of seedlings, and a seedling supply device that rotates a seedling supply cup that accommodates seedlings supplied from the seedling frame into a turntable shape, A seedling planting device is provided for planting seedlings falling from the seedling feeding device in a field.
JP-A-2005-341820

上記苗移植機は歩行型の移動機械であるので、大型の機械であると、作業者は、それを移動させるための負担が大きくなる問題点がある。
本発明の課題は、できるだけ小型化して比較的軽い歩行型の苗移植機を提供することである。
Since the seedling transplanting machine is a walking type moving machine, if it is a large-sized machine, there is a problem that the burden on the operator to move it increases.
An object of the present invention is to provide a walking seedling transplanter that is as small as possible and relatively light.

本発明の上記課題は、次の解決手段により解決される。
すなわち、請求項1記載の発明は、走行装置(1)と、該走行装置(1)上に装着した多数の苗を載置した苗枠(11)と、該苗枠(11)から供給される苗を受ける多数の苗供給カップ(41)を周回移動させる苗供給装置(40)と、昇降駆動するリンク機構(3)と連結して昇降動作して開閉可能なくちばし状の苗植付部(4a)を備えた苗植付装置(4)を備えた苗移植機において、平面視で苗供給装置(40)の上方に一部オーバーラップする位置に苗枠(11)を配置し 苗植付部(4a)を左右方向にスライドさせるスライド棒(26)をリンク機構(3)の先端部に配置した上下方向の軸心回りに回動可能に設け、スライド棒(26)の回動により、苗植付部(4a)を苗供給カップ(41)の長円軌道の直線部分の下方から前記長円軌道の屈曲部分の下方へ移動させる構成を設けたことを特徴とする苗移植機である。
また、請求項2記載の発明は、苗植付部(4a)を4個配置し、4個の苗植付部(4a)のうちの内側の左右一対は苗供給カップ(41)の長円軌道の後側の直線部分の下方に配置し、外側の左右一対は苗供給カップ(41)の長円軌道の前側の直線部分の下方に配置可能な構成とし、苗供給カップ(41)の長円軌道の後側の左右端部の上方に苗枠(11)を各々配置し、上記した構成からなる苗植付部(4a)の上方位置に苗枠(11)を配置しない構成としたことを特徴とする請求項1記載の苗移植機である。
The above-described problems of the present invention are solved by the following solution means.
That is, the invention according to claim 1 is supplied from the traveling device (1), the seedling frame (11) on which a large number of seedlings mounted on the traveling device (1) are placed, and the seedling frame (11). A beak-like seedling planting unit that can be opened and closed by connecting to a seedling supply device (40) that revolves a large number of seedling supply cups (41) that receive the seedlings and a link mechanism (3) that is driven to move up and down. in seedling transplantation machine having a seedling planting apparatus having a (4a) (4), arranged Naewaku (11) upward to a portion overlapping position of seedling supply device (40) in a plan view, seedlings A slide bar (26) that slides the planting part (4a) in the left-right direction is provided so as to be rotatable around a vertical axis disposed at the tip of the link mechanism (3), and the slide bar (26) is rotated. The seedling planting part (4a) is positioned below the straight part of the elliptical orbit of the seedling supply cup (41). A seedling transplantation machine, characterized in that a configuration for moving down the bent portion of the long circular orbit.
Moreover, the invention of Claim 2 arrange | positions four seedling planting parts (4a), and the left-right pair inside 4 seedling planting parts (4a) is an ellipse of the seedling supply cup (41). It is arranged below the straight part on the rear side of the track, and the left and right pair on the outside can be arranged below the straight part on the front side of the elliptical track of the seedling supply cup (41), and the length of the seedling supply cup (41) The seedling frame (11) is disposed above the left and right end portions on the rear side of the circular orbit, and the seedling frame (11) is not disposed above the seedling planting portion (4a) having the above-described configuration. The seedling transplanter according to claim 1, wherein:

請求項1記載の発明によれば、苗枠11と該苗枠11から苗を受け取る苗供給装置40とを平面視でオーバーラップさせることにより、苗枠11から苗を苗供給装置40へ供給し易くなり、また苗移植機を小型化できる。
また、スライド棒26の回動により、苗供給カップ41の長円軌道の直線部分から苗を苗植付部4aへ落下供給する状態と、前記長円軌道の屈曲部分から苗を苗植付部4aへ落下供給する状態とに切替できる。
請求項2記載の発明によれば、請求項1記載の発明の効果に加えて、苗枠11から苗植付部4aの上方位置の苗供給カップ41へ容易に苗を供給できる。
According to the invention described in claim 1 , the seedling frame 11 and the seedling supply device 40 that receives seedlings from the seedling frame 11 are overlapped in plan view, whereby the seedling is supplied from the seedling frame 11 to the seedling supply device 40. It becomes easy and the seedling transplanter can be miniaturized.
Further, by turning the slide rod 26, the seedling is dropped and supplied from the straight part of the elliptical orbit of the seedling supply cup 41 to the seedling planting part 4a, and the seedling planting part from the bent part of the elliptical orbit. The state can be switched to the state of being dropped and supplied to 4a.
According to the invention described in claim 2, in addition to the effect of the invention described in claim 1, seedlings can be easily supplied from the seedling frame 11 to the seedling supply cup 41 located above the seedling planting part 4a.

本発明の実施例では、ねぎ等の苗を畝Uの間の溝部又は平地に植付ける苗移植機を例にして図面と共に説明する。
図1と図2に本発明の実施例の苗移植機の側面図と平面図を示す。
なお、本実施例についての説明で前又は後というときは、操縦ハンドル2を配置した側を後とし、その反対側、即ちエンジン5を配置した側を前とする。そして、右又は左というときは、機体後部において機体前部側を前側として立つ作業者から見て右手側を右とし、左手側を左としていう。
In an embodiment of the present invention, a seedling transplanting machine for planting seedlings such as green onions in a groove portion or flat ground between ridges U will be described with reference to the drawings.
1 and 2 show a side view and a plan view of a seedling transplanter according to an embodiment of the present invention.
In the description of the present embodiment, when referring to the front or rear, the side on which the steering handle 2 is disposed is the rear, and the opposite side, that is, the side on which the engine 5 is disposed is the front. When the term “right” or “left” is used, the right hand side is referred to as the right and the left hand side is referred to as the left when viewed from the operator standing at the front of the aircraft at the front of the aircraft.

苗移植機は、走行装置1と操縦ハンドル2を備えた機体に、昇降駆動するリンク機構3と連結して昇降動作する開閉可能なくちばし状の苗植付部4aを備えた苗植付装置4を設けた構成としている。
走行装置1は、図示例ではエンジン5と該エンジン5の動力が伝達されて駆動回転する左右一対の後輪7,7と転動自在に支持した左右一対の前輪6,6とを備えたものとしている。
The seedling transplanting device 4 includes a machine body including the traveling device 1 and the steering handle 2, and a seedling planting device 4 including a beak-shaped seedling planting portion 4 a that can be opened and closed by connecting to a link mechanism 3 that is driven to move up and down. It is set as the structure which provided.
In the illustrated example, the traveling device 1 includes an engine 5, a pair of left and right rear wheels 7 and 7 that are driven and rotated by transmission of the power of the engine 5, and a pair of left and right front wheels 6 and 6 that are rotatably supported. It is said.

エンジン5の後部にはミッションケース8を配置し、そのミッションケース8は、その左側部からエンジン5の左側方に延びるケース部分を有し、これがエンジン5の左側部と連結している。このケース部分にエンジン5の出力軸が入り込んでミッションケース8内の伝動機構に動力が伝達される構成となっている。ミッションケース8の左右両側部に伝動ケース9,9を回動自在に取り付け、この伝動ケース9,9の回動中心にミッションケース8から左右両外側方に延出させた車輪駆動軸9Aの先端が入り込んで伝動ケース9,9内の伝動機構に走行用の動力を伝達している。そして、走行用の動力は伝動ケース9,9内の伝動機構を介して、機体後方側に延びてその後端側側方に突出する車軸10,10に伝動され、後輪7,7が駆動回転するようになっている。   A mission case 8 is disposed at the rear of the engine 5, and the mission case 8 has a case portion extending from the left side portion to the left side of the engine 5, and this is connected to the left side portion of the engine 5. The output shaft of the engine 5 enters the case portion and power is transmitted to the transmission mechanism in the transmission case 8. The transmission case 9, 9 is rotatably attached to the left and right side portions of the transmission case 8, and the tip of the wheel drive shaft 9A is extended from the transmission case 8 to the left and right outer sides at the rotation center of the transmission case 9, 9. Enters the transmission case 9, 9 to transmit power for traveling. The driving power is transmitted to the axles 10 and 10 that extend to the rear side of the machine body and project to the side of the rear end side through the transmission mechanism in the transmission cases 9 and 9, and the rear wheels 7 and 7 are driven to rotate. It is supposed to be.

また、伝動ケース9,9のミッションケース8への取付部には、上方に延びるアーム9B,9Bを一体的に取り付けていて、該アーム9B,9Bに各々昇降用油圧シリンダ15が回動自在に連結している。昇降用油圧シリンダ15のピストンロッド15aの先端には機体に固着された横杆13が取り付けられている。
また、機体の水平制御をハンドル2に設けた手動レバー23により操作して機体の自動水平制御時に生じやすいハンチングを防止する。
Also, upwardly extending arms 9B and 9B are integrally attached to the attachment portions of the transmission cases 9 and 9 to the transmission case 8, and the lifting and lowering hydraulic cylinders 15 are rotatable on the arms 9B and 9B, respectively. It is connected. At the tip of the piston rod 15a of the lifting / lowering hydraulic cylinder 15, a horizontal bar 13 fixed to the airframe is attached.
Further, hunting that is likely to occur during automatic horizontal control of the aircraft is prevented by operating the horizontal control of the aircraft by a manual lever 23 provided on the handle 2.

また、昇降用油圧シリンダ15が作動してそのピストンロッド15aが収縮すると、これに伴い伝動ケース9,9が下方に回動して、機体が上昇する。
反対に、昇降用油圧シリンダ15のピストンロッド15aが突出すると、左右の前記アーム9B,9Bは前方に回動し、これに伴い伝動ケース9,9が上方に回動して、機体が下降する。この昇降用油圧シリンダ15は、機体に対する圃場面高さを検出するセンサS0の検出結果に基づいて機体を圃場面に対して設定高さになるよう作動するよう構成しており、また、操縦ハンドル2近傍に配置した操作具の人為操作によって機体を上昇或は下降させるよう作動する構成ともしている。
Further, when the elevating hydraulic cylinder 15 is actuated and the piston rod 15a is contracted, the transmission cases 9 and 9 are rotated downward and the airframe is raised.
On the other hand, when the piston rod 15a of the lifting hydraulic cylinder 15 protrudes, the left and right arms 9B, 9B rotate forward, and accordingly, the transmission cases 9, 9 rotate upward, and the fuselage descends. . The lifting / lowering hydraulic cylinder 15 is configured to actuate the aircraft to a set height with respect to the farm scene based on the detection result of the sensor S0 that detects the height of the farm scene relative to the aircraft. It is also configured to operate so as to raise or lower the fuselage by manipulating an operation tool disposed in the vicinity of 2.

さらに、畝Uの溝床面高さをセンサS0が検出するので、該検出結果に基づいて機体を溝の床面高さに対して設定高さになるよう作動させることができる。従って、苗の植付深さの制御にも用いることができる。なお、溝床面に植付溝を作るための突起S0aをセンサS0の底面の中央部に設けた。このため苗の植付位置での苗植付具4aの先端の溝床面に対する差し込みが容易になる。   Further, since the sensor S0 detects the height of the groove floor surface of the eaves U, it is possible to operate the airframe to be a set height with respect to the height of the groove floor surface based on the detection result. Therefore, it can also be used to control the seedling planting depth. In addition, protrusion S0a for making a planting groove | channel on a groove floor surface was provided in the center part of the bottom face of sensor S0. For this reason, it is easy to insert the tip of the seedling planting tool 4a at the seedling planting position into the groove floor surface.

また、油圧シリンダ15用の制御バルブ連動部材は機体が畝Uの終端を通過して畝上げセンサS1が回動支点S1aを中心に下方に所定量以上下がると、メイン油圧ケーブル12が引かれ、該ケーブルが引かれると油圧シリンダ15が作動して後輪7を車輪駆動軸9Aを中心に下向きに回動させ、機体を上昇させる。   The control valve interlocking member for the hydraulic cylinder 15 is pulled by the main hydraulic cable 12 when the fuselage passes through the end of the kite U and the kite raising sensor S1 is lowered downward by a predetermined amount around the pivot fulcrum S1a. When the cable is pulled, the hydraulic cylinder 15 is actuated to rotate the rear wheel 7 downward about the wheel drive shaft 9A to raise the machine body.

また、前記左右水平制御用油圧シリンダ15が互いに異なる位置に伸縮作動すると、左右の伝動ケース9,9を互い違いに上下動させ機体を左右に傾斜させる。この左右水平制御用油圧シリンダ15は、手動レバー23の操作に基づいて機体を所望の左右傾斜姿勢になるように作動する構成にしている。   When the left and right horizontal control hydraulic cylinders 15 extend and retract to different positions, the left and right transmission cases 9 and 9 are moved up and down alternately to tilt the aircraft to the left and right. The left / right horizontal control hydraulic cylinder 15 is configured to operate so that the airframe is in a desired left / right inclined posture based on the operation of the manual lever 23.

一対の前輪6,6は、車体に支持された左右一対の前輪支持フレーム16に取り付けられた車軸17に回転自在に取り付けられている。
操縦ハンドル2は、ミッションケース8に前端部を固定した機体フレーム14の後端部に取り付けられている。機体フレーム14は、機体の左右中央から右側に偏った位置に配置されて後方に延び、また、前後中間部から斜め後上方に延びている。操縦ハンドル2は、機体フレーム14の後端部から左右に後方に延びてその各後端部を操縦ハンドル2のグリップ部2a,2aとしている。操縦ハンドル2の左右のグリップ部2a,2aは、作業者がそのグリップ部2a,2aを楽に手で握れるように適宜高さに設定する。なお、図例ではグリップ部2a,2aを左右に分かれた構成としているが、操縦ハンドル2の左右の後端部を互いに左右に連結してその連結部分をグリップ部2a,2aとしても良い。
The pair of front wheels 6 and 6 are rotatably attached to an axle 17 attached to a pair of left and right front wheel support frames 16 supported by the vehicle body.
The steering handle 2 is attached to the rear end portion of the body frame 14 whose front end portion is fixed to the mission case 8. The body frame 14 is disposed at a position deviated from the right and left center of the body to the right side and extends rearward, and extends obliquely rearward and upward from the front and rear intermediate portion. The steering handle 2 extends rearward from the rear end portion of the body frame 14 to the left and right, and the rear end portions thereof serve as grip portions 2 a and 2 a of the steering handle 2. The left and right grip portions 2a, 2a of the steering handle 2 are set to an appropriate height so that the operator can easily grip the grip portions 2a, 2a with hands. In the illustrated example, the grip portions 2a and 2a are divided into left and right. However, the left and right rear end portions of the steering handle 2 may be connected to each other left and right, and the connecting portions may be used as the grip portions 2a and 2a.

リンク機構3は、ミッションケース8内から苗植付け具駆動用の動力を受けて伝動する伝動機構を内装する植付伝動ケース18に装着している。図例のように植付伝動ケース18は、その前部がミッションケース8の後部に連結し、そこから後斜め上方に延びる第一ケース部18aと、この第一ケース部18aの上部左側部に固定され、左側方に延びる第二ケース部18bと、その第二ケース部18bの左端部に固定され、後斜め下方に伸びる第三ケース部18cと、その第三ケース部18cの下端部外側部に固定され、左側方に伸びる第四ケース部18dと、その第四ケース部18dの左端部に固定され後方水平状に伸びる第五ケース部18eを有するものとしている。これら第一ケース部18a〜第五ケース部18e内にリンク機構3を昇降駆動するための動力を伝達する伝動機構を内装している。   The link mechanism 3 is attached to a planting transmission case 18 that includes a transmission mechanism that receives power for driving the seedling planting tool from the mission case 8 and transmits it. As shown in the figure, the planting transmission case 18 has a front portion connected to the rear portion of the mission case 8, a first case portion 18a extending rearward and obliquely upward therefrom, and an upper left portion of the first case portion 18a. A second case portion 18b that is fixed and extends to the left side, a third case portion 18c that is fixed to the left end portion of the second case portion 18b and that extends rearward and obliquely downward, and an outer lower end portion of the third case portion 18c. A fourth case portion 18d that is fixed to the left side and extends to the left side, and a fifth case portion 18e that is fixed to the left end portion of the fourth case portion 18d and extends horizontally rearward. The first case portion 18a to the fifth case portion 18e have a transmission mechanism that transmits power for driving the link mechanism 3 up and down.

なお、第一ケース部18a内に内装した伝動機構には、リンク機構3及び苗植付装置4をその昇降動最上位の位置で、又はその近傍位置で設定時間停止させる間欠駆動機構と、リンク機構3及び苗植付装置4の昇降動を停止させるクラッチ機構とを備えている。間欠駆動機構によって停止する時間は、該間欠駆動機構が備える変速機構によって調節され、この調節によって苗植付装置4による苗植付株間が変更調節されるようになっている。   The transmission mechanism built in the first case portion 18a includes an intermittent drive mechanism that stops the link mechanism 3 and the seedling planting device 4 at the uppermost position of the raising / lowering movement or at a position in the vicinity thereof, and a link. And a clutch mechanism for stopping the lifting and lowering of the mechanism 3 and the seedling planting device 4. The time for stopping by the intermittent drive mechanism is adjusted by a speed change mechanism provided in the intermittent drive mechanism, and the adjustment between the seedling planting stocks by the seedling planting device 4 is adjusted by this adjustment.

そして、リンク機構3は、苗植付装置4の前側に設けた左右方向の軸19の左右中間部に回動自在に連結する第一昇降アーム20と、苗植付装置4の後側に設けた左右方向の軸21の左側部に回動自在に連結する第二昇降アーム22とを備える。   The link mechanism 3 is provided on the rear side of the seedling planting device 4 and the first lifting arm 20 that is rotatably connected to the left and right intermediate portion of the left and right shaft 19 provided on the front side of the seedling planting device 4. And a second elevating arm 22 rotatably connected to the left side of the left and right shaft 21.

詳細は省略するが、第一昇降アーム20と第二昇降アーム22とが揺動しながら昇降動し、その結果、苗植付装置4の下端部が側面視で上下に長い略楕円形状の軌跡Tで昇降動する。   Although details are omitted, the first elevating arm 20 and the second elevating arm 22 move up and down while swinging. As a result, the lower end of the seedling planting device 4 has a substantially elliptical locus that is long in the side view. Move up and down at T.

苗植付装置4には、下方に向かって伸び左右方向に開くくちばし状の苗植付部4aを設けている。そして、落下した苗を収納した苗植付装置4はリンク機構3によって、側面視で上下に長い略楕円形状の軌跡Tに従って下降して圃場内に挿入され、左右のくちばし状の苗植付部4aが機体左右方向に開放されると苗が圃場に植え付けられ、その後に苗植付装置4が上昇する。   The seedling planting device 4 is provided with a beak-shaped seedling planting portion 4a that extends downward and opens in the left-right direction. Then, the seedling planting device 4 storing the fallen seedling is lowered by the link mechanism 3 according to a substantially elliptical trajectory T that is vertically long in a side view and inserted into the field, and the right and left beak-shaped seedling planting units If 4a is open | released by the left-right direction of a body, a seedling will be planted in a farm field and the seedling planting apparatus 4 will raise after that.

苗植付装置4の下端部が左側方から見て反時計回りに略楕円形状の軌跡Tで昇降回動する。従って、作業走行しながら苗植付装置4が上記回転方向で前記軌跡Tを描くように昇降回動すると、軌跡Tの下端部で苗植付装置4の下端部が圃場の畝Uの土壌中に苗を植付け、くちばし状の苗植付部4aを備えた苗植付装置4は、機体左右方向に開いて苗植付装置4内の苗を畝Uの土壌に放出する。そのため、苗植付装置4で苗の左右方向の隣接する畝の斜面に寄せられた土が、再度苗の周辺に流入し易くなり、より鎮圧輪38,38で覆土し易くなる。また、苗植付部4aが機体左右方向に開くことで、苗を溝部の土壌中に植え付けて挿して上昇するときに植え付けた苗に苗植付装置4があたって苗の植付姿勢を乱すことを防止することができる。これは特にねぎ等のように長い苗を植え付ける場合に効果がある。   The lower end portion of the seedling planting device 4 is moved up and down in a substantially elliptical locus T in a counterclockwise direction when viewed from the left side. Accordingly, when the seedling planting device 4 is moved up and down so as to draw the locus T in the above rotation direction while traveling, the lower end portion of the seedling planting device 4 at the lower end of the locus T is in the soil of the straw U in the field. A seedling planting device 4 having a beak-shaped seedling planting portion 4a is opened in the left-right direction of the machine body and releases the seedlings in the seedling planting device 4 to the soil of the cocoon U. Therefore, the soil brought to the slope of the adjacent ridge in the left-right direction of the seedling by the seedling planting device 4 easily flows into the periphery of the seedling again, and is more easily covered with the pressure-reducing wheels 38 and 38. Moreover, when the seedling planting part 4a opens in the left-right direction of the machine body, the seedling planting device 4 hits the seedling planted when the seedling is planted in the soil in the groove and then ascends, disturbing the seedling planting posture. This can be prevented. This is particularly effective when planting long seedlings such as green onions.

苗供給装置40はスプロケット51,51の一方の回転軸51aと第一ケース部18aとを伝動軸53を介して連結することでエンジン5からの動力を伝動して左右のスプロケット51,51を回転駆動させて苗供給カップ41を周回移動させる構成としている。   The seedling supply device 40 transmits power from the engine 5 by connecting one rotating shaft 51a of the sprockets 51, 51 and the first case portion 18a via the transmission shaft 53 to rotate the left and right sprockets 51, 51. The seedling supply cup 41 is driven to move around.

苗供給装置40の上方には、多数の苗供給カップ41が等間隔で連結され、苗供給カップ41の周回移動軌跡に沿う移動を案内するガイド体42,42を苗供給カップ41…の周回移動軌跡の内側と外側とにそれぞれ設けている。これにより、苗供給カップ41…の周回移動が適確且つ円滑に行われる。   A large number of seedling supply cups 41 are connected at equal intervals above the seedling supply device 40, and guide bodies 42, 42 that guide the movement of the seedling supply cup 41 along the circular movement trajectory are moved around the seedling supply cups 41. Provided inside and outside the trajectory, respectively. Thereby, the revolving movement of the seedling supply cups 41 is performed accurately and smoothly.

また、ハンドル操作を行う作業者はハンドル2に設けた主クラッチレバー27を操作して主クラッチの入切操作を行うことができるが、苗案内体42の近傍で苗供給作業を行っている作業者も主クラッチの入切操作を行うことができるように苗案内体42の近傍にサブクラッチレバー28を設けているので、主クラッチの入切操作を苗供給作業中の作業者も即座に行うことができ、何らかの危険を回避する場合などに苗供給作業を行っている作業者も作業走行を停止させることができる。   An operator who operates the handle can operate the main clutch lever 27 provided on the handle 2 to perform on / off operation of the main clutch. Since the sub-clutch lever 28 is provided in the vicinity of the seedling guide body 42 so that the operator can also perform the main clutch on / off operation, the operator during the seedling supply operation also immediately performs the main clutch on / off operation. Therefore, an operator who is performing seedling supply work, for example, to avoid some danger can also stop the work travel.

上記苗移植機は、畝Uの間にある溝の中央部に苗を植え付ける溝植用の苗移植機であり、左右一対の前輪6,6と後輪7,7が畝間の溝を走行する。
そして苗植付装置4は左右一対の前輪6,6の接地箇所より機体左右方向内側、すなわち、前輪6,6で走行していない土壌の部分に苗を植えつける。
このような構成にすることで、一対の前輪6,6で踏み固められていない箇所に苗を植え付けることができる。
The seedling transplanter is a seedling transplanter for groove planting in which seedlings are planted in the center of the groove between the ridges U, and a pair of left and right front wheels 6 and 6 and rear wheels 7 and 7 run in the groove between the ridges. .
Then, the seedling planting device 4 plants seedlings on the inner side in the left-right direction of the machine body, that is, on the soil portion not traveling on the front wheels 6, 6 from the ground contact point of the pair of left and right front wheels 6, 6.
By adopting such a configuration, seedlings can be planted in a place where the pair of front wheels 6 and 6 are not stepped on.

左右の伝動ケース9,9を上下方向に回動させるシリンダ15,15が設けられ、また左右の伝動ケース9,9内にはそれぞれ、エンジン動力を断つサイドクラッチ(図示せず)が各々設けられている。   Cylinders 15 and 15 for rotating the left and right transmission cases 9 and 9 in the vertical direction are provided, and side clutches (not shown) for cutting off engine power are provided in the left and right transmission cases 9 and 9, respectively. ing.

また機体前方の植付伝動ケース18の上方には水タンク25を配置している(図2には図示せず)。水タンク25からは図示しない水ポンプと水ホースを経由して苗植付部4a内に水を補給する。   A water tank 25 is disposed above the planting transmission case 18 in front of the machine body (not shown in FIG. 2). Water is supplied from the water tank 25 into the seedling planting part 4a via a water pump and a water hose (not shown).

本実施例において、苗供給装置40で周回移動中の多数の苗供給カップ41には、その上方から苗枠11内に載置されている苗を順次人手により供給するが、本実施例の特徴は苗枠11と苗供給装置40とが平面視でオーバーラップした位置にそれぞれ配置されているので、苗枠11から苗を苗供給装置40の苗供給カップ41へ供給し易くなり、また苗移植機を小型化できる。   In the present embodiment, the seedlings placed in the seedling frame 11 are sequentially supplied manually from above to the large number of seedling supply cups 41 that are moving around by the seedling supply device 40. Are arranged at positions where the seedling frame 11 and the seedling supply device 40 overlap each other in plan view, so that it is easy to supply the seedling from the seedling frame 11 to the seedling supply cup 41 of the seedling supply device 40 and transplant the seedling. The machine can be downsized.

図2に示す平面視で長円軌道を有する苗供給カップ41群の後側の左右方向に移動する苗供給カップ41の上方には苗枠11がないように空間を設けているので、苗枠11から苗を苗供給カップ41に供給し易くしている。   Since a space is provided above the seedling supply cup 41 that moves in the left-right direction on the rear side of the group of seedling supply cups 41 having an elliptical orbit in a plan view shown in FIG. 11 makes it easy to supply seedlings to the seedling supply cup 41.

また、本実施例のねぎ移植機では、前輪6を操舵する際に操舵方向がすぐ分かるように前輪支持フレーム16には、前輪6の操向中心となる操向軸17の内側に先端を矢印型にした前輪操舵レバー71を設ける。この前輪操舵レバー71はハンドル2の付近に操作部を設け、該前輪操舵レバー71には左右の後輪7,7のサイドクラッチを手動操作するサイドクラッチレバー72,72を左右一対設ける。前輪操舵レバー71は伝動ケース18eに取り付けられたレバーガイド73で支えられている。
従って、前輪操舵レバー71により前輪6の向きを容易に把握することができ、また前輪操舵レバー71が前輪6の内側に設けられているので、機体の周囲の他の構造物に前輪操舵レバー71が干渉するようなことを防止できる。
Further, in the leek transplanter of this embodiment, the front wheel support frame 16 has an arrow on the inner side of the steering shaft 17 that is the steering center of the front wheel 6 so that the steering direction can be easily understood when the front wheel 6 is steered. A molded front wheel steering lever 71 is provided. The front wheel steering lever 71 is provided with an operating portion in the vicinity of the handle 2, and the front wheel steering lever 71 is provided with a pair of left and right side clutch levers 72, 72 for manually operating the side clutches of the left and right rear wheels 7, 7. The front wheel steering lever 71 is supported by a lever guide 73 attached to the transmission case 18e.
Accordingly, the direction of the front wheel 6 can be easily grasped by the front wheel steering lever 71, and the front wheel steering lever 71 is provided on the inner side of the front wheel 6, so that the front wheel steering lever 71 is attached to other structures around the body. Can be prevented from interfering with each other.

図2に示すようにサイドクラッチレバー72の操作により後輪7,7の左右一対のサイドクラッチが入切される。また、サイドクラッチを使わない場合は、サイドクラッチレバーの付いていない中央のレバー74を操作して前輪6のみ操舵させる。   As shown in FIG. 2, the pair of left and right side clutches of the rear wheels 7 and 7 are turned on and off by operating the side clutch lever 72. When the side clutch is not used, only the front wheel 6 is steered by operating the central lever 74 without the side clutch lever.

また、本発明の別実施例の移植機を図3の側面図と図4の平面図に示すように、苗植付装置4には機体の左右方向に開いて苗を圃場(畝)に植え付けるくちばし状の苗植付部4aを4個配置した構成にすることができる。   Further, as shown in the side view of FIG. 3 and the plan view of FIG. 4, the transplanting machine of another embodiment of the present invention opens the seedling planting device 4 in the left-right direction of the machine body so as to plant seedlings in the field (畝). It can be set as the structure which arrange | positioned the four beak-shaped seedling planting parts 4a.

この場合は4つの苗植付部4aの内の一対は平面視で機体の前後中心線に対して左右対称位置に左右方向に長い長円軌道を有する苗供給カップ41群の後側下方に配置し、残りの一対は平面視で機体の前後中心線に対して左右対称位置に長円軌道を有する苗供給カップ41群の前側下方に配置する。   In this case, a pair of the four seedling planting parts 4a is arranged below the rear side of the group of seedling supply cups 41 having a long elliptical orbit in the left-right direction at a symmetrical position with respect to the longitudinal center line of the aircraft in plan view. The remaining pair is arranged below the front side of the seedling supply cup 41 group having an elliptical orbit in a symmetrical position with respect to the longitudinal center line of the body in plan view.

この構成では苗枠11,11を左右一対に分けて長円軌道を有する苗供給カップ41群の後側左右上方に分けて一部、苗供給カップ41群と平面視でオーバーラップするように苗供給カップ41群の上方に配置することで、苗供給カップ41からくちばし状の苗植付部4aに苗を落下させる構成部が長円軌道を有する苗供給カップ41群への苗枠11,11からの苗供給には邪魔にならず、苗枠11,11を作業者に近づけることが可能となる。   In this configuration, the seedling frames 11 and 11 are divided into a pair of left and right, and the seedling supply cup 41 group having an elliptical orbit is divided into a rear left and right upper part, so that the seedling overlaps with the seedling supply cup 41 group in plan view. The seedling frames 11 and 11 for the seedling supply cup 41 group in which the constituent part for dropping the seedling from the seedling supply cup 41 to the beak-shaped seedling planting part 4a has an elliptical orbit by being arranged above the supply cup 41 group. Therefore, the seedling frames 11 and 11 can be brought closer to the operator without disturbing the supply of seedlings.

図5に示す別実施例の移植機の平面図に示すように、前後方向に長い長円軌道を有する苗供給カップ41群をガイドするガイド体42の補助テーブル44は、図5の矢印S方向からみた矢視図である右上枠A内の側面図に示すように苗供給カップ41から苗が落下しないようにつば44aを付けた構成としても良い。前記つば44aは苗供給カップ41の浮上がり防止のガイドを兼ねている。   As shown in the plan view of the transplanting machine of another embodiment shown in FIG. 5, the auxiliary table 44 of the guide body 42 that guides the seedling supply cup 41 group having the ellipse orbit long in the front-rear direction is the direction of the arrow S in FIG. As shown in the side view in the upper right frame A as viewed from the perspective, a configuration in which a collar 44a is attached so that the seedling does not fall from the seedling supply cup 41 may be adopted. The collar 44a also serves as a guide for preventing the seedling supply cup 41 from floating.

図6に図1の苗移植機における別実施例の苗植付装置4と苗供給装置40の要部平面図に示すように、苗植付部4aを機体の左右方向にスライドさせる断面六角形の六角スライド棒26を昇降リンク機構3の先端部の端に設けた上下方向の軸心回りに回動可能に設けらた例を示す。   As shown in the plan view of the main part of the seedling planting device 4 and the seedling supply device 40 of another embodiment in the seedling transplanting machine of FIG. 1, FIG. 6 shows a hexagonal cross section for sliding the seedling planting unit 4a in the left-right direction of the machine body. An example in which the hexagonal slide rod 26 is provided so as to be rotatable about a vertical axis provided at the end of the tip of the lift link mechanism 3 is shown.

該六角スライド棒26を上下方向の軸心回りに回動させると、苗植付部4aを機体の左右方向に位置を変更することができる。また、六角スライド軸26を昇降リンク機構3に対し斜め方向に固定し、苗供給カップ41の長円軌道の屈曲部分で苗を苗植付部4aに落下させることができる。
さらに、六角スライド軸26の回動を苗植付部4aの昇降リンク機構3に対して斜め方向で固定し、左右方向に長い長円軌道を有する苗供給カップ41の長円軌道の屈曲部分で苗供給カップ41から苗植付部4aへの苗の引き継ぎする構成を採用している。
When the hexagonal slide bar 26 is rotated around the vertical axis, the position of the seedling planting portion 4a can be changed in the left-right direction of the machine body. Further, the hexagonal slide shaft 26 is fixed in an oblique direction with respect to the elevating link mechanism 3, and the seedling can be dropped onto the seedling planting portion 4a at the bent portion of the elliptical orbit of the seedling supply cup 41.
Further, the rotation of the hexagonal slide shaft 26 is fixed in an oblique direction with respect to the lifting link mechanism 3 of the seedling planting portion 4a, and at the bent portion of the elliptical track of the seedling supply cup 41 having a long elliptical track in the left-right direction. The structure which takes over the seedling from the seedling supply cup 41 to the seedling planting part 4a is adopted.

昇降リンク機構3に対する苗植付部4aの上下方向の回動により、苗植付部4aの一対のくちばし体の開閉方向が異なるようにしてもよい。例えば苗植付部4aの一対のくちばし体の開閉方向を左右方向にするに場合には比較的大きな苗(裸苗)の植付時に行う。また一対のくちばし体の開閉方向を前後方向にするに場合には比較的小さな苗(セル苗)の植付時に行う。また、昇降リンク機構3に対する苗植付部4aの回動位置により苗植付部4aの一対のくちばし体の開閉方向が異なる(斜め固定時はホッパは斜め開閉となる。)ようにしても良い。   The opening / closing direction of the pair of beak bodies of the seedling planting part 4a may be changed by the vertical rotation of the seedling planting part 4a with respect to the lifting link mechanism 3. For example, when the opening / closing direction of the pair of beak bodies of the seedling planting part 4a is set to the left-right direction, it is performed when a relatively large seedling (bare seedling) is planted. When the opening / closing direction of the pair of beak bodies is set to the front-rear direction, it is performed at the time of planting a relatively small seedling (cell seedling). Further, the opening / closing directions of the pair of beak bodies of the seedling planting part 4a may be different depending on the rotation position of the seedling planting part 4a with respect to the lifting / lowering link mechanism 3 (the hopper opens and closes diagonally when obliquely fixed). .

また、図7に左右一対設けた苗枠11,11の取付構造部分の機体正面から見た図に示すように、図1の苗移植機の水タンク25に代えて、左右一対の水タンク25を、苗枠11,11の内側に配置する構成を採用してもよい。このとき苗枠11,11は機体中心部側に向けて上方に傾斜して配置し、水タンク25の配置スペースを確保している。このため水タンク25を苗枠11,11の内側から取り出し易くなり、また、苗枠11が傾斜しているため、苗枠11を水平位置に配置する場合に比較して苗を取り出し易い。   Moreover, as shown in the figure seen from the body front of the attachment structure portion of the seedling frames 11, 11 provided in a pair of left and right seeds in FIG. 7, instead of the water tank 25 of the seedling transplanting machine in FIG. You may employ | adopt the structure which arrange | positions inside seedling frames 11 and 11. At this time, the seedling frames 11 and 11 are arranged to be inclined upward toward the center of the machine body, and a space for arranging the water tank 25 is secured. For this reason, it becomes easy to take out the water tank 25 from the inside of the seedling frames 11 and 11, and since the seedling frame 11 is inclined, it is easier to take out the seedling compared to the case where the seedling frame 11 is arranged in a horizontal position.

本発明の走行車両は、畝間の溝又は平地に植え付ける苗の移植機として利用可能性がある。   The traveling vehicle of the present invention can be used as a seedling transplanter to be planted in a ditch or flat land.

本発明の一実施例の苗移植機の側面図である。It is a side view of the seedling transplanting machine of one Example of this invention. 図1の苗移植機の平面図である。It is a top view of the seedling transplanting machine of FIG. 本発明の一実施例の苗移植機の側面図である。It is a side view of the seedling transplanting machine of one Example of this invention. 図3の苗移植機の平面図である。It is a top view of the seedling transplanting machine of FIG. 本発明の一実施例の苗移植機の平面図と補助テーブルの背面図である。It is the top view of the seedling transplanting machine of one Example of this invention, and the rear view of an auxiliary table. 本発明の一実施例の苗移植機の苗植付装置と苗供給装置の要部平面図である。It is a principal part top view of the seedling transplanting apparatus and seedling supply apparatus of the seedling transplanting machine of one Example of this invention. 本発明の一実施例の苗移植機の苗枠の取付構造部分を示す正面図である。It is a front view which shows the attachment structure part of the seedling frame of the seedling transplanting machine of one Example of this invention.

符号の説明Explanation of symbols

1 走行装置 2 操縦ハンドル
3 リンク機構 4 苗植付装置
4a 苗植付部 5 エンジン
6 前輪 7 後輪
8 ミッションケース 9 伝動ケース
9A 車軸駆動軸 9B アーム
10 車軸 11 苗枠
12 メイン油圧ケーブル 13 横杆
14 機体フレーム 15 油圧シリンダ
15a ピストンロッド 16 前輪支持フレーム
17 車軸 18 植付伝動ケース
19 左右方向軸 20 第一昇降アーム
21 左右方向軸 22 第二昇降アーム
23 手動レバー 25 水タンク
26 六角スライド軸 27 主クラッチレバー
28 サブクラッチレバー 38 鎮圧輪
40 苗供給装置 41 苗供給カップ
42 ガイド体 44 補助テーブル
44a 補助テーブルのつば
51 スプロケット 51a 回転軸
53 伝動軸 71 前輪操舵レバー
72 サイドクラッチレバー
73 レバーガイド 74 レバー
T 軌跡 U 畝
S0 センサ S0a 突起
S1 畝上センサ S1a 回動支点
DESCRIPTION OF SYMBOLS 1 Traveling device 2 Steering handle 3 Link mechanism 4 Seedling planting device 4a Seedling planting part 5 Engine 6 Front wheel 7 Rear wheel 8 Transmission case 9 Transmission case 9A Axle drive shaft 9B Arm 10 Axle 11 Seedling frame 12 Main hydraulic cable 13 Recumbent 14 Airframe 15 Hydraulic cylinder 15a Piston rod 16 Front wheel support frame 17 Axle 18 Planting transmission case 19 Left / right direction shaft 20 First lifting / lowering arm 21 Left / right direction shaft 22 Second lifting / lowering arm 23 Manual lever 25 Water tank 26 Hexagonal slide shaft 27 Main Clutch lever 28 Sub clutch lever 38 Pressure reducing wheel 40 Seedling supply device 41 Seedling supply cup 42 Guide body 44 Auxiliary table 44a Auxiliary table collar 51 Sprocket 51a Rotating shaft 53 Transmission shaft 71 Front wheel steering lever 72 Side clutch lever 73 Lever guide 74 Bar T locus U ridges S0 sensor S0a projection S1 ridges on the sensor S1a pivot point

Claims (2)

走行装置(1)と、該走行装置(1)上に装着した多数の苗を載置した苗枠(11)と、該苗枠(11)から供給される苗を受ける多数の苗供給カップ(41)を周回移動させる苗供給装置(40)と、昇降駆動するリンク機構(3)と連結して昇降動作して開閉可能なくちばし状の苗植付部(4a)を備えた苗植付装置(4)を備えた苗移植機において、
平面視で苗供給装置(40)の上方に一部オーバーラップする位置に苗枠(11)を配置し
苗植付部(4a)を左右方向にスライドさせるスライド棒(26)をリンク機構(3)の先端部に配置した上下方向の軸心回りに回動可能に設け、
スライド棒(26)の回動により、苗植付部(4a)を苗供給カップ(41)の長円軌道の直線部分の下方から前記長円軌道の屈曲部分の下方へ移動させる構成を設けたことを特徴とする苗移植機。
A traveling device (1), a seedling frame (11) on which a large number of seedlings mounted on the traveling device (1) are placed, and a number of seedling supply cups that receive seedlings supplied from the seedling frame (11) 41) Seedling feeding device (40) for moving around and a seedling planting device provided with a beak-like seedling planting part (4a) that can be opened and closed by connecting to a link mechanism (3) that is driven to move up and down. In the seedling transplanter equipped with (4),
Place the seedling frame (11) in a position that partially overlaps the seedling supply device (40) in plan view ,
A slide bar (26) that slides the seedling planting part (4a) in the left-right direction is provided so as to be rotatable around a vertical axis disposed at the tip of the link mechanism (3),
The structure which moves the seedling planting part (4a) from below the straight part of the elliptical orbit of the seedling supply cup (41) to below the bent part of the elliptical orbit by rotation of the slide bar (26) is provided. A seedling transplanter characterized by that.
苗植付部(4a)を4個配置し、4個の苗植付部(4a)のうちの内側の左右一対は苗供給カップ(41)の長円軌道の後側の直線部分の下方に配置し、外側の左右一対は苗供給カップ(41)の長円軌道の前側の直線部分の下方に配置可能な構成とし、Four seedling planting parts (4a) are arranged, and the left and right pair of the inside of the four seedling planting parts (4a) are below the straight part on the rear side of the elliptical orbit of the seedling supply cup (41). The left and right pair on the outside is configured to be arranged below the straight portion on the front side of the elliptical orbit of the seedling supply cup (41),
苗供給カップ(41)の長円軌道の後側の左右端部の上方に苗枠(11)を各々配置し、上記した構成からなる苗植付部(4a)の上方位置に苗枠(11)を配置しない構成としたことを特徴とする請求項1記載の苗移植機。The seedling frames (11) are respectively arranged above the left and right end portions on the rear side of the elliptical orbit of the seedling supply cup (41), and the seedling frame (11) is positioned above the seedling planting portion (4a) having the above-described configuration. The seedling transplanting machine according to claim 1, wherein:
JP2008233658A 2008-09-11 2008-09-11 Seedling transplanter Active JP5245663B2 (en)

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* Cited by examiner, † Cited by third party
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JP2013135701A (en) * 2013-04-10 2013-07-11 Iseki & Co Ltd Seedling transplanter

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JP6733638B2 (en) * 2017-10-12 2020-08-05 井関農機株式会社 Transplanter

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JPH086422Y2 (en) * 1989-05-31 1996-02-28 石川島芝浦株式会社 Transplanter
JP3940637B2 (en) * 2002-06-10 2007-07-04 セイレイ工業株式会社 Vegetable transplanter
JP2004113078A (en) * 2002-09-25 2004-04-15 Seirei Ind Co Ltd Vegetable transplanter
JP3845063B2 (en) * 2003-02-27 2006-11-15 セイレイ工業株式会社 Seedling transplanter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013135701A (en) * 2013-04-10 2013-07-11 Iseki & Co Ltd Seedling transplanter

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