JP4314951B2 - Seedling transplanter - Google Patents

Seedling transplanter Download PDF

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JP4314951B2
JP4314951B2 JP2003338875A JP2003338875A JP4314951B2 JP 4314951 B2 JP4314951 B2 JP 4314951B2 JP 2003338875 A JP2003338875 A JP 2003338875A JP 2003338875 A JP2003338875 A JP 2003338875A JP 4314951 B2 JP4314951 B2 JP 4314951B2
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seedling
seedling planting
planting
soil
planted
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JP2005102567A (en
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木下  栄一郎
正勝 荒木
勝野  志郎
内田  哲也
村並  昌実
切手  肇
大久保  嘉彦
土井  宏貴
川嶋  桂
暢宏 山根
宏 鈴木
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Iseki and Co Ltd
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Iseki and Co Ltd
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Description

この発明は、苗移植機の覆土装置に関するもので、畝土壌面等に移植した苗の根元部に土壌を寄せて、移植姿勢の苗を支持し安定させるものである。主として野菜苗等の移植機に利用できる。   The present invention relates to a soil covering device for a seedling transplanter, and supports and stabilizes seedlings in a transplanting posture by bringing soil to the roots of seedlings transplanted on a dredged soil surface or the like. It can be used mainly for transplanting machines such as vegetable seedlings.

苗移植機では畑地や乾田土壌面のように畝土壌面上に植付穴を形成しながら、この植付穴に移植機の苗植付体によって保持した苗を植付けるものであるから、この苗根を土壌面に十分に付着させると共に、植付姿勢を安定させるために、植付穴に土壌の一部を埋め戻すようにして、植付苗の根元部に覆土する。この覆土には左右一対の覆土ディスクが用いられるが、この覆土ディスクは苗植装置に一体的に装着されて、この苗植装置と共に車体に対して昇降される構成となっている(例えば、特許文献1参照)。
実開平5ー95226号公報 特開2003−164203号公報
The seedling transplanter is to plant seedlings held by the seedling transplanter of the transplanter in this planting hole while forming planting holes on the dredged soil surface like the field and dry paddy soil surface. In order to sufficiently attach the seedling root to the soil surface and stabilize the planting posture, a portion of the soil is backfilled in the planting hole, and the root portion of the planted seedling is covered with soil. A pair of left and right covering discs are used for the covering soil, and the covering discs are integrally attached to the seedling planting device and are raised and lowered with respect to the vehicle body together with the seedling planting device (for example, patents). Reference 1).
Japanese Utility Model Publication No. 5-95226 JP 2003-164203 A

苗植装置が車体に対してローリング軸の周りに左右回動自在に設けられているため、土壌面が左右に傾斜していても、左右の各苗植付体の土壌面に対する植付深さを略一定に維持するようにローリング制御が行われるが、苗移植機では畝成形の土壌面に対する苗移植の形態であるから、平坦面でないことが多く、又土壌面に凹凸の形成が著しいものである。このため、水捌を良くする等のために畝幅の中央部を高くし左右両端部を低くする中央盛りの畝を形成することがあるが、このとき畝の中央部で深植となったり、畝の左右両側部で浅植となったりし易い。また、これら土壌面に植付けられた苗の根元部に覆土する覆土ディスクの位置も各植付苗毎に異なるため、前記苗植装置の単なるローリング制御だけでは各植付苗毎の的確な覆土を行わせることは難しい。 Since the seedling planting device is provided so that it can rotate left and right around the rolling axis with respect to the vehicle body, even if the soil surface is inclined to the left and right, the planting depth of the left and right seedling planted bodies with respect to the soil surface Rolling control is performed so as to maintain almost constant, but the seedling transplanter is a form of seedling transplanting to the soil surface of the cocoon molding, so it is often not a flat surface, and unevenness on the soil surface is remarkable It is. For this reason , in order to improve the water tank, etc., there is a case where a centrally-filled ridge is formed in which the central portion of the ridge width is increased and the left and right ends are lowered. , It is easy to become a shallow plantation on the left and right sides of the fence. In addition, since the position of the soil covering disk that covers the root of the seedlings planted on the soil surface is different for each planted seedling, the mere rolling control of the seedling planting device can provide accurate soil covering for each planted seedling. It is difficult to do.

請求項1に記載の発明は、車体(5)の後部に苗植装置(4)を昇降可能に且つローリング軸(6)の周りに回動自在に設け、苗植装置(4)は、苗カップ(36)を備える苗供給装置(1)とこの苗供給装置(1)から供給される苗を保持して土壌面に植付ける4条分の苗植付体(2)苗植付体(2)の後側で各植付苗の植付部を覆土する覆土ディスク(3)とからな外側2条の苗植付体(2)の外側面に上下移動調節可能な調節植付体(75)を取り付け、調節植付体(75)の下端部を中央部2条の苗植付体(2)の下端よりも下方に位置させることができる構成としたことを特徴とする苗移植機する苗植作業は苗供給装置(1)へ苗を供給すると、この苗供給装置(1)から各苗植付体(2)へ苗が供給されて、苗植付体(2)はこの苗を保持して土壌面に対して植付ける。この土壌面に植付けられた苗の根元部には覆土ディスク(3)によって覆土される。苗植装置(4)は、ローリング軸(6)の周りに回動されるから、土壌面が左右に傾斜しているときは、このローリングによって土壌面と左右略平行状に維持される。 According to the first aspect of the present invention , a seedling planting device (4) is provided at the rear part of the vehicle body (5) so as to be movable up and down and rotatable around a rolling shaft (6). A seedling supply device (1) provided with a cup (36), a seedling planting body (2) for four strips and a seedling planting body for holding seedlings supplied from the seedling supply device (1) and planting them on the soil surface (2) Ri Do from the soil cover disc for soil cover the planting of the planting seedlings on the side (3) after, vertical movement adjustable adjusted planted on the outer surface of the seedling planting of the outer two rows (2) The attachment body (75) is attached, and the lower end portion of the adjustment planting body (75) can be positioned lower than the lower end of the seedling planting body (2) in the center section 2 is characterized in that and seedling transplanting machine. In the seedling planting operation, when seedlings are supplied to the seedling supply device (1) , seedlings are supplied from the seedling supply device (1) to each seedling planting body (2) , and the seedling planting body (2) supplies this seedling. Hold and plant against soil surface. The root portion of the seedling planted on the soil surface is covered with a soil covering disk (3) . Since the seedling planting device (4) is rotated around the rolling shaft (6) , when the soil surface is inclined to the left and right, the rolling is maintained in a substantially parallel shape with the soil surface.

請求項2に記載の発明は、苗カップ(36)の上端に、上下伸縮可能な蛇腹形態の補助筒(72)を設けたことを特徴とする請求項1に記載の苗移植機とする。 According to a second aspect of the present invention, there is provided the seedling transplanter according to the first aspect, wherein an auxiliary cylinder (72) in the form of a bellows that can be vertically expanded and contracted is provided at the upper end of the seedling cup (36) .

請求項3に記載の発明は、前記ローリング軸(6)部の左右両側方の苗植フレーム(7)部に支持軸(9)を設け、後端に左右一対の覆土ディスク(3)支持するディスクアーム(10)を支持軸(9)の周りに上下回動自在に設け、各々のディスクアーム(10)と苗植フレーム(7)との間に設けたばね(8)により覆土ディスク(3)を下方へ弾発させた構成とし、苗供給装置(1)のテーブル(39)を左右一対設け、該テーブル(39)を内側の軸(40)の周りに後方へ回動して、サイドシート(25)の後方を広く開放できると共に苗植装置(4)の横幅を狭くできる構成とし、車体(5)の前方に設けた左右の畝案内ローラ(53)の左右揺動により車体(5)の前車輪(14)が左右へ操向されるよう連動する操向連動構成を設け、苗植装置(4)が非作業位置へ上昇すると操向連動構成による連動が解除される構成としたことを特徴とする請求項1、又は2に記載の苗移植機とする左右一対の覆土ディスク(3)はばね(8)で弾発されていて、対応する植付苗の根元部に土壌面を覆土する。土壌面の凹凸面に応じて覆土ディスク(3)の作用深さは略一定となって各植付苗毎に均一な覆土を行う。又このような苗植装置(4)のローリング作用は、各苗植付条の覆土ディスク(3)の接地圧によっても左右シーソ状に行なわれて、各植付部の植付深さ及び覆土を均一化させるものである。更に、苗植作業時には各苗植付体(2)を有する苗植装置(4)が、各ばね(8)によって押圧された覆土ディスク(3)の接地圧を受けた平衡のもとにローリング軸(6)の周りにローリング揺動されて、土壌面の幅方向と略平行状態を維持される。又、これら覆土ディスク(3)のディスクアーム(10)の前端部は、このローリング軸(6)部の略左右両側部に設けられる支持軸(9)に対して支持されて、この覆土ディスク(3)の接地圧は、略一定長さの各ディスクアーム(10)と、このディスクアーム(10)の取付けられた支持軸(9)のローリング軸(6)からの間隔長とによって、ローリング制御することとなる。 According to a third aspect of the present invention, a support shaft (9) is provided in the seedling planting frame (7) on both the left and right sides of the rolling shaft (6) , and a pair of left and right covering soil disks (3) are supported at the rear end. The disk arm (10) to be rotated is provided around the support shaft (9) so as to be rotatable up and down, and the soil covering disk (3) is provided by a spring (8) provided between each disk arm (10) and the seedling planting frame (7). ), And a pair of left and right tables (39) of the seedling supply device (1) are provided, and the tables (39) are rotated rearward around the inner shaft (40) to form a side The rear of the seat (25) can be widely opened and the lateral width of the seedling planting device (4) can be reduced. The left and right heel guide rollers (53) provided in front of the vehicle body (5) are swung to the left and right. Steering interlock that interlocks so that the front wheel (14) of the The formation is provided, and NaeUe device (4) is raised to the non-working position claim 1, characterized in that the interlocking by steering linkage arrangement was configured to be released, or 2 seedling transplantation machine as set forth in. The pair of left and right soil-covering disks (3) are springed by a spring (8) and cover the soil surface at the roots of the corresponding planted seedlings. The working depth of the soil covering disk (3) is substantially constant according to the uneven surface of the soil surface, and uniform soil covering is performed for each planted seedling. Moreover, the rolling action of such a seedling planting device (4) is also performed in the shape of a right and left seesaw by the contact pressure of the soil covering disk (3) of each seedling planting strip, so that the planting depth and soil covering of each planting part are performed. Is made uniform. Further, during the seedling planting operation, the seedling planting device (4) having each seedling planting body (2) is rolled under an equilibrium under the ground pressure of the covering soil disk (3) pressed by each spring (8) . It is rolled and swung around the axis (6) to maintain a state substantially parallel to the width direction of the soil surface. Further, the front end of the disk arm (10) of cover soil disc (3) is supported with respect to the support shaft provided on a substantially left and right sides of the roll axis (6) part (9), the soil cover disc ( The contact pressure of 3) is controlled by rolling according to each disk arm (10) having a substantially constant length and the distance between the support shaft (9) to which the disk arm (10) is attached and the rolling shaft (6). Will be.

請求項1に記載の発明は、外側2条の苗植付体(2)の外側面に上下移動調節可能な調節植付体(75)を取り付け、調節植付体(75)の下端部を中央部2条の苗植付体(2)の下端よりも下方に位置させることができるので、水捌を良くする等のために畝幅の中央部を高くし左右両端部を低く形成した中央盛りの畝において、畝の中央部で深植となったり、畝の左右両側部で浅植となったりするのを防止し、苗植付深さを一定にすることができる。 The invention according to claim 1 attaches an adjustment planting body (75) that can be moved up and down to the outer surface of the two outer seedling planting bodies (2), and attaches the lower end of the adjustment planting body (75). Since it can be positioned below the lower end of the center part 2 seedling planting body (2), the center is formed with a high central part of the ridge width and low left and right end parts in order to improve the water tank. It is possible to prevent deep planting at the center of the cocoon and shallow planting at the left and right sides of the cocoon and keep the seedling planting depth constant.

請求項2に記載の発明は、請求項1に記載の発明の効果に加えて、苗カップ(36)の上端に設けた上下伸縮可能な蛇腹形態の補助筒(72)により、供給する苗の大きさに応じて調節することができるIn addition to the effect of the invention described in claim 1 , the invention described in claim 2 is provided for the seedling to be supplied by the auxiliary cylinder (72) in the form of a bellows that can be vertically expanded and contracted provided at the upper end of the seedling cup (36). It can be adjusted according to the size .

請求項3に記載の発明は、請求項1又は2に記載の発明の効果に加えて、苗植装置(4)のローリング軸(6)周りのローリングよって、この苗植装置(4)及び苗植付体(2)を土壌面と左右平行状に維持できると共に、各苗植付条の苗植付体(2)毎の覆土ディスク(3)を独立的に作用するばね(8)によって下方へ弾発させてこの覆土ディスク(3)の接地圧によっても平均され、各苗植付体(2)によって植付けられた苗の根元部毎に土壌面を覆土して、覆土ディスク(3)の作用深さを略一定として均一な覆土を行わせることができる。また、支持軸(9)がローリング軸(6)の直横側に向けられているため覆土ディスク(3)の接地圧による苗植装置(4)のローリング作用が、機械的なこぜを少くして円滑に行われる。又、構成においては各ディスクアーム(10)の長さやばね(8)等を略一定にすることができ、簡単化できる。更に、苗供給装置(1)のテーブル(39)を左右一対設け、該テーブル(39)を内側の軸(40)の周りに後方へ回動することにより、苗補給者が座るサイドシート(25)の後方を広く開放してサイドシート(25)への乗り降りをし易くできると共に苗植装置(4)の横幅を狭くできる。しかも、車体(5)の前方に設けた左右の畝案内ローラ(53)の左右揺動により車体(5)の前車輪(14)が左右へ操向されるよう連動でき、苗植装置(4)が非作業位置へ上昇すると操向連動構成による連動が解除される。 In addition to the effect of the invention described in claim 1 or 2 , the invention described in claim 3 is characterized by rolling the seedling planting device (4) and the seedling by rolling around the rolling axis (6) of the seedling planting device (4). The planted body (2) can be maintained in parallel with the soil surface and left and right by the spring (8) acting independently on the covering soil disk (3) for each seedling planted body (2) of each seedling planting strip. It is averaged by the contact pressure of the soil covering disk (3), and the soil surface is covered for each root part of the seedling planted by each seedling planting body (2). Uniform soil covering can be performed with the working depth being substantially constant. Further, since the support shaft (9) is directed to the right side of the rolling shaft (6) , the rolling action of the seedling planting device (4) due to the contact pressure of the covering disc (3) reduces mechanical kneading. And is done smoothly. Further, in the configuration, the length of each disk arm (10) , the spring (8), etc. can be made substantially constant, which can be simplified. Further, a pair of left and right tables (39) of the seedling supply device (1) are provided, and the table (39) is rotated rearward around the inner shaft (40), whereby a side seat (25 ) Is wide open to facilitate getting on and off the side seat (25) and the width of the seedling planting device (4) can be reduced. In addition, the left and right heel guide rollers (53) provided in front of the vehicle body (5) can be interlocked so that the front wheels (14) of the vehicle body (5) are steered to the left and right by swinging left and right. ) Is moved to the non-working position, the interlocking by the steering interlocking structure is released.

図面に基づいてこの発明の実施例を説明する。先ず図1〜図5において苗植装置4は、乗用4輪駆動走行形態の車体5の後部に、昇降可能にして装着される。車体5は、運転席11の下のシートカバー12下にエンジンEが搭載され、前部に、ステアリングハンドル13によって操向される前車輪14を軸装するフロントアクスルハウジング15を有し、後部には、リヤアクスルフレーム16を横方向に形成して、この左右両側端にリヤアクスルケース17を有して後車輪18を軸装する。該フロントアクスルハウジング15の中央部にはミッションケース19が設けられて、前記エンジンEから連動される伝動機構を介して、該左右のリヤアクスルケース17への後輪駆動軸20を伝動すると共に、苗植装置4への苗植駆動軸21を伝動する構成としている。   Embodiments of the present invention will be described with reference to the drawings. First, in FIG. 1 to FIG. 5, the seedling planting device 4 is mounted on the rear portion of the vehicle body 5 in a riding four-wheel drive traveling manner so as to be able to move up and down. The vehicle body 5 has an engine E mounted under the seat cover 12 under the driver's seat 11, and has a front axle housing 15 that axially mounts a front wheel 14 that is steered by a steering handle 13. The rear axle frame 16 is formed in a lateral direction, and rear axle cases 17 are provided at both left and right ends, and a rear wheel 18 is axially mounted. A transmission case 19 is provided in the central portion of the front axle housing 15 to transmit the rear wheel drive shaft 20 to the left and right rear axle cases 17 via a transmission mechanism interlocked with the engine E. The seedling planting drive shaft 21 is transmitted to the planting device 4.

22は運転フロアで、運転席11の外側に沿うサイドフロア23の後端部にはフェンダー24が形成されて、この上方にサイドシート25が後向きにして配置される。26はミッションケース19の前側下側に設けられたナックルアームで、ステアリングハンドル13のステアリングシャフト27によってパワーステアリングを介して回動される。このナックルアーム26とフロントアクスルハウジング15の両端部の操向ケース28乃至操向アームとの間を、操向ロッド29で連結して、操向できる構成としている。   Reference numeral 22 denotes a driving floor, and a fender 24 is formed at the rear end portion of the side floor 23 along the outside of the driver's seat 11, and the side seat 25 is disposed on the upper side of the fender 24. A knuckle arm 26 is provided on the lower front side of the transmission case 19 and is rotated by the steering shaft 27 of the steering handle 13 via the power steering. The knuckle arm 26 and the steering cases 28 to the steering arms at both ends of the front axle housing 15 are connected by a steering rod 29 so that the steering can be performed.

車体5の後部のリヤアクスルフレーム16の中央部にはリフトフレーム31を有して、このリフトフレーム31に上下一対の平行リンク形態のリフトリンク32を上下回動自在にして連結し、車体5との間に介装する油圧力伸縮のリフトシリンダ33で昇降可能に構成する。このリフトリンク32の後端に連結するリンクヒッチ34にはローリングボス35が設けられて、このローリング35に苗植装置4の苗植フレーム7と一体のローリング軸6を嵌合して、ピン等で抜止めして、苗植装置4を適宜のローリング回動角域内をローリング自在の構成としている。これらリフトリンク32やローリングボス35等は、左右後車輪18間の略中央部に位置して設けられる。又、ローリング軸6は苗植装置4の横幅の略中央部に位置して設けられる。   A lift frame 31 is provided at the center of the rear axle frame 16 at the rear of the vehicle body 5, and a pair of upper and lower parallel link-type lift links 32 are connected to the lift frame 31 so as to be vertically rotatable. It is configured to be movable up and down by an oil pressure expansion / contraction lift cylinder 33 interposed therebetween. The link hitch 34 connected to the rear end of the lift link 32 is provided with a rolling boss 35, and the rolling shaft 6 integral with the seedling planting frame 7 of the seedling planting device 4 is fitted to the rolling 35 to provide a pin or the like. The seedling planting device 4 is configured to be freely rollable in an appropriate rolling rotation angle region. The lift link 32, the rolling boss 35 and the like are provided at a substantially central portion between the left and right rear wheels 18. Further, the rolling shaft 6 is provided at a substantially central portion of the lateral width of the seedling planting device 4.

苗植装置4は、苗植フレーム7の上方に苗カップ36形態の苗供給装置1を支持し、この下部で苗植嘴形態の苗植付体2を昇降させてこの苗供給装置1から供給される苗を保持して土壌面へ植付ける苗植付装置38、及び、この苗植付体2で植付けられた苗の根元部に覆土する覆土ディスク3等から構成される。   The seedling planting device 4 supports the seedling feeding device 1 in the form of a seedling cup 36 above the seedling planting frame 7, and feeds the seedling planting body 2 in the seedling planting shape in the lower part from this seedling feeding device 1. A seedling planting device 38 that holds the seedlings to be planted on the soil surface, and a covering disk 3 that covers the root of the seedling planted by the seedling planting body 2.

苗供給装置1は、横長形態のテーブル39の外周に沿って苗カップ36を並べて、無端チエン等連結されてスプロケット軸40、41で回転させることができる。この各苗カップ36は回転するカップホルダ37に嵌合支持されている。各苗カップ36の底面は開口されていて、カップホルダ37の底部に開閉可能のシャッタ42を有する。そして、苗カップ36に苗を収容したカップホルダ37が、苗植付体2の直上部に搬送されると、このシャッタ42が開かれて、苗カップ36内の苗を下方の苗植付体2内へ落下供給する構成としている。このような苗供給装置1は、前記ローリング軸6に対して左右対称状に構成される。   The seedling supply apparatus 1 can arrange the seedling cups 36 along the outer periphery of the horizontally long table 39 and can be rotated by sprocket shafts 40 and 41 by being connected with an endless chain or the like. Each seedling cup 36 is fitted and supported by a rotating cup holder 37. The bottom surface of each seedling cup 36 is opened, and has a shutter 42 that can be opened and closed at the bottom of the cup holder 37. And if the cup holder 37 which accommodated the seedling in the seedling cup 36 is conveyed to the directly upper part of the seedling planting body 2, this shutter 42 will be opened and the seedling in the seedling cup 36 will be sent to the lower seedling planting body. 2 is configured to be dropped and supplied. Such a seedling supply device 1 is configured symmetrically with respect to the rolling shaft 6.

前記苗植付装置38は、苗植嘴形態の苗植付体2が、苗ホッパー43の下側に前後開閉可能に設けられ、この苗ホッパー43が、苗植フレーム7に対するリンクアーム44の昇降動Aと、開閉リンク45の作動とによって、昇降されると共に開閉される。クランクアーム47の回転によって昇降されるリンクアーム44は上下一対の平行リンク形態で、この先端に支持される苗ホッパー43は略垂直姿勢を維持して昇降されると共に、開閉リンク45のカム46による作動によって、苗植付体2が上死点位置から下死点位置へ下降する下降行程においては嘴部を閉鎖した状態に維持し、この下死点に至ると前後に開いて、上死点部近くに上昇するまでこの開き状態を維持する構成としている。このため上死点部ではシャッタ42の開きによって苗カップ36から落下される苗を受けて苗植付体2内に収容保持して、下降によってこの苗植付体2が土壌面Bに適宜深さの植付穴を形成し、この植付穴の形成して苗植付体2が前後に開かれると、この保持していた苗を植付穴に落下して植付ける。この苗植付けによって苗植付体2が土壌面Bから上昇されると同時に左右の覆土ディスク3による覆土が行われて植付穴が埋戻され、植付苗の根元部が覆土によって支持される。   In the seedling planting device 38, a seedling planting body 2 in the form of a seedling planting basket is provided on the lower side of the seedling hopper 43 so as to be openable and closable. By the movement A and the operation of the opening / closing link 45, it is lifted and lowered and opened / closed. The link arm 44 that is moved up and down by the rotation of the crank arm 47 is in the form of a pair of upper and lower parallel links. The seedling hopper 43 supported at the tip of the link arm 44 is moved up and down while maintaining a substantially vertical posture. When the seedling planting body 2 descends from the top dead center position to the bottom dead center position by the operation, it keeps the buttocks closed, and when this bottom dead center is reached, it opens back and forth, and the top dead center It is set as the structure which maintains this open state until it raises near a part. For this reason, at the top dead center, the seedling dropped from the seedling cup 36 is received and held in the seedling planting body 2 by opening the shutter 42, and the seedling planting body 2 is appropriately inserted into the soil surface B by descending. The planting hole is formed, and when the planting hole is formed and the seedling planting body 2 is opened back and forth, the held seedling is dropped into the planting hole and planted. By this seedling planting, the seedling planted body 2 is lifted from the soil surface B, and at the same time, the soil is covered with the left and right soil-covering disks 3 so that the planting hole is backfilled, and the root of the planted seedling is supported by the soil covering. .

このようなリンクアーム44や開閉リンク45等によって植付作動される苗植付体2は、前記ローリング軸6に対して左右対称状に配置されて、図例では左右2条植毎配置の4条植形態としている。   The seedling planting body 2 planted by the link arm 44 and the opening / closing link 45 is arranged symmetrically with respect to the rolling shaft 6. It is a striped form.

前記覆土ディスク3は、各苗植付体2の植付位置の後側部に配置される。この覆土ディスク3を装着するディスクアーム10が、前記ローリング6の左右横側方向に位置する支持軸9の周りに上下回動自在にして設けられ、この各ディスクアーム10の支持軸9よりも前側に突出する前端部と、苗植フレーム7の上部との間にばね8が設けられて、このばね8の弾発力で後端の覆土ディスク3を下方の土壌面B側へ弾圧している。各覆土ディスク3は、正面視V字状に傾斜させた左右一対から構成されて、ディスクアーム10の支持アーム48にディスク軸49周りに回転自在に設けている。これら左右のディスク軸49は正面視ハ字状に傾斜して設けられる。左右の覆土ディスク3の下端部間には前記苗植付体2で形成される植付穴の左右外側部を押圧して覆土しうる形態に構成している。   The covering soil disk 3 is arranged on the rear side of the planting position of each seedling planting body 2. A disk arm 10 to which the soil covering disk 3 is mounted is provided so as to be rotatable up and down around a support shaft 9 positioned in the lateral direction of the rolling 6, and the front side of the support shaft 9 of each disk arm 10. A spring 8 is provided between the front end portion protruding to the top of the seedling planting frame 7 and the elastic force of the spring 8 presses the cover soil disk 3 at the rear end toward the lower soil surface B side. . Each soil covering disk 3 is composed of a pair of left and right inclined in a V shape when viewed from the front, and is provided on a support arm 48 of the disk arm 10 so as to be rotatable around a disk shaft 49. These left and right disc shafts 49 are provided so as to be inclined in a C-shape when viewed from the front. Between the lower end parts of the left and right soil covering disks 3, the right and left outer side parts of the planting holes formed by the seedling planting body 2 are pressed to cover the soil.

このようなディスクアーム10の取付けられる支持軸9にセンサアーム50が上下回動自在に設けられ、このセンサアーム50の下端に軸装51のセンサローラ52を、苗植付けする土壌面Bに接地回転させることにより、土壌面Bの高さを検出することができる。このセンサローラ52の接地によって土壌面Bの高さを検出することによって、リフトシリンダ33の油圧回路の昇降制御弁を連動して、苗植装置4を昇降制御して、この苗植装置4の土壌面B上高さ、及び苗植付体2による苗植付深さを一定に維持するように昇降制御する。又、このセンサローラ52は、一部又は各苗植付体2の前側に対向して設けられ、ローリング軸6に対して左右対称状に配置される。   A sensor arm 50 is provided on the support shaft 9 to which the disc arm 10 is attached so as to be rotatable up and down. The sensor roller 52 of the shaft 51 is attached to the lower end of the sensor arm 50 and is rotated to the ground surface B on the soil surface B where the seedling is planted. By doing so, the height of the soil surface B can be detected. By detecting the height of the soil surface B by the grounding of the sensor roller 52, the raising / lowering control valve of the hydraulic circuit of the lift cylinder 33 is interlocked to control the raising / lowering of the seedling planting device 4. The elevation control is performed so that the height above the soil surface B and the seedling planting depth by the seedling planting body 2 are maintained constant. In addition, the sensor roller 52 is provided in part or in front of the seedling planting body 2 so as to be symmetrical with respect to the rolling shaft 6.

車体5の前方には左右の畝案内ローラ53が設けられて、畝土壌面Bの左右両側に形成される溝部Cの畝側面Dに摺動回転して、車体5の操向を案内させることができる。前記ミッションケース19の前下方に突出のブラケット54に門形態の案内アーム55、案内杆58を上下及び左右に回動自在に支持56し、この案内アーム55の前端部に連結された案内杆58の両側端には案内ローラ53を回転自在に設け、該支持56部より後方に延びる後端部には側面凹状の係合部57が形成されて、前記左右の操向ロッド29に嵌合できる。この操向ロッド29には係止片59が設けられていて、この係止片59の内側に係合部57が係止されることによって、案内ローラ53の左右揺動によって前車輪14が左右へ操向される連動構成である。   Left and right heel guide rollers 53 are provided in front of the vehicle body 5 to slide and rotate on the heel side surface D of the groove portion C formed on the left and right sides of the heel soil surface B to guide the steering of the vehicle body 5. Can do. A guide arm 55 and a guide rod 58 in the form of a gate are supported by a bracket 54 projecting forward and downward of the transmission case 19 so as to be rotatable up and down and left and right, and a guide rod 58 connected to the front end of the guide arm 55. A guide roller 53 is rotatably provided at both side ends, and a side concave engagement portion 57 is formed at a rear end portion extending rearward from the support 56 portion, and can be fitted to the left and right steering rods 29. . The steering rod 29 is provided with a locking piece 59, and the engaging portion 57 is locked inside the locking piece 59, whereby the front wheel 14 is moved left and right by the left and right swing of the guide roller 53. It is the interlocking structure steered to.

又、このような案内ローラ53の連動は、前記リフトシリンダ33の伸縮によって、連動状態と非連動状態とに切替えられる。リフトシリンダ33の伸縮で移動されるリフトブラケット60部と、該案内アーム55部との間をワイヤー61で連結して、このリフトシリンダ33の伸出で苗植装置4が非作業位置へ上昇されると、ワイヤー61を介して案内アーム55が支持部56の周りに回動されて、案内ローラ53が土壌面B上方に上昇されて係合部57が操向ロッド29から下方へ外れて、操向連動解除の状態となり、又、リフトシリンダ33を縮少して苗植装置4を苗植付姿勢に下降させると、ワイヤー61を介して案内ローラ53を下降させて畝側面Dに接地案内させると共に、係合部57を操向ロッド29に嵌合させて、案内ローラ53による前車輪14の操向を連動しうる状態とする。   The interlocking of the guide roller 53 is switched between the interlocking state and the non-interlocking state by the expansion and contraction of the lift cylinder 33. The lift bracket 33 that is moved by the expansion and contraction of the lift cylinder 33 is connected to the guide arm 55 by a wire 61, and the seedling planting device 4 is raised to the non-working position by the extension of the lift cylinder 33. Then, the guide arm 55 is rotated around the support portion 56 via the wire 61, the guide roller 53 is raised above the soil surface B, and the engaging portion 57 is released downward from the steering rod 29. When the steering interlocking is released, and the lift cylinder 33 is contracted and the seedling planting device 4 is lowered to the seedling planting posture, the guide roller 53 is lowered via the wire 61 to guide the ground to the heel side D. At the same time, the engaging portion 57 is fitted into the steering rod 29 so that the steering of the front wheel 14 by the guide roller 53 can be interlocked.

前記苗植装置4は、苗植フレーム7の一部の伝動ケース内に、前記苗植駆動軸21から連動される伝動機構63を介して、左右一対のスプロケット軸40、41をチエン64伝動するように構成すると共に、左右2条植毎の苗植付体2を作動するようにクランクアーム47のクランク軸65を伝動する構成としている。   The seedling planting device 4 transmits a pair of left and right sprocket shafts 40 and 41 to a chain 64 in a transmission case of a part of the seedling planting frame 7 via a transmission mechanism 63 interlocked with the seedling planting drive shaft 21. In addition, the crankshaft 65 of the crank arm 47 is configured to be transmitted so as to operate the seedling planting body 2 for every right and left double row planting.

この左右のクランク軸65への伝動機構63中のクラッチ軸66には各々の伝動入り切りする左右一対の植付クラッチ67が設けられて、左右いずれか一側の苗植付装置38のみ駆動して、左条、又は右条のみの2条植付形態とすることができる。   The clutch shaft 66 in the transmission mechanism 63 to the left and right crankshafts 65 is provided with a pair of left and right planting clutches 67 for turning on and off each transmission, and drives only the seedling planting device 38 on either the left or right side. , Left-row or right-row only two-row planting form.

この場合、苗供給装置1の苗カップ36の伝動は、左右共に常時伝動状態にしているが、植付クラッチ67を切りにして苗植を停止している側の苗カップ36には苗を補給しないようにする。又、この植付クラッチ67と同様に、伝動機構63から左右のチエン64に至る間の伝動中に苗供給クラッチを設けるとか、又はこの植付クラッチ67を経てこれら左右のチエン64を伝動するように構成して、左右の各2条植の苗植付装置38と苗供給装置4のみ同期伝動する構成とすることもできる。   In this case, the transmission of the seedling cup 36 of the seedling supply device 1 is always in the left and right transmission state, but the seedling cup 36 on the side where the planting clutch 67 is turned off and the seedling planting is stopped is replenished with seedlings. Do not. Similarly to the planting clutch 67, a seedling supply clutch is provided during transmission from the transmission mechanism 63 to the left and right chains 64, or the left and right chains 64 are transmitted via the planting clutch 67. It can also be set as the structure which synchronizes and transmits only the seedling planting apparatus 38 and the seedling supply apparatus 4 of each right and left double row planting.

このような構成によって畦際等で全条植できない場合に、左右いずれか片側の2条植形態とすることができる。又、苗植付装置38は、左側2条と右側2条とに2条植毎の苗植付体2が苗ホッパー43部間を横方向の前後一対の苗植ステー68で連結している。この苗植ステー68間に設けられるブラケット69に苗ホッパー43や苗植付体2が取付けられる。前後一対の苗植付体2は前記苗植ステー68の周りに前後回動して開閉される。   When all the strips cannot be planted at the ridge or the like by such a configuration, a double striped form on either the left or right side can be obtained. Further, in the seedling planting device 38, the seedling planting body 2 for each two-row planting is connected to the left two and the right two by a pair of front and rear seedling planting stays 68 between the seedling hoppers 43. . The seedling hopper 43 and the seedling planting body 2 are attached to a bracket 69 provided between the seedling planting stays 68. The pair of front and rear seedling planting bodies 2 is pivoted back and forth around the seedling planting stay 68 to be opened and closed.

前記左右一対の苗供給装置1のテーブル39は、内側のスプロケット軸40の周りに後方へ略90度回動Gでき、この後方への回動によってサイドシート25の後方の外側の後車輪18との間を広く開放することができ、左右のサイドシート25への乗り降りし易くするものである。又、この後方への回動によって苗植装置4の横幅を狭くすることができる。これら左右のサイドシート25には苗補給者が座って、後向きでテーブル39上の補給苗を各苗カップ36に供給することができる。又、前記サイドシート25は運転席11側の支軸70の周りに前後に切替回動できるように構成することができる。補助作業者の乗り降りを容易化できる。   The table 39 of the pair of right and left seedling supply devices 1 can be rotated about 90 degrees rearward around the inner sprocket shaft 40, and the rear rear wheel 18 behind the side seat 25 can be rotated by the rearward rotation. The space between the left and right side seats 25 is easy to get on and off. Further, the lateral width of the seedling planting device 4 can be narrowed by the rearward rotation. A seedling supplier sits on these left and right side sheets 25, and the supplied seedlings on the table 39 can be supplied to each seedling cup 36 in a rearward direction. Further, the side seat 25 can be configured to be able to switch back and forth around the support shaft 70 on the driver's seat 11 side. Auxiliary workers can easily get on and off.

次に、主として図6、図7に基づいて説明する。前記案内アーム55と案内杆58とを一体的にして、T字形態の構成としたものである。このT字形態の案内杆58を支持部56の周りに上下及び左右の方向へ回動自在とし、先端の係合部57の嵌合しうる操向ロッド29の係止片59は、外側面を円錐形面に形成して、この係合部57が係止片59の外側部に嵌合しても、この円錐形面に案内されて左右の係止片59間に嵌合され易くしている。この係合部57が係止片59間に係合されることによって、案内ローラ53が畝側面D案内されることにより前車輪14を操向するものである。   Next, a description will be given mainly based on FIGS. The guide arm 55 and the guide rod 58 are integrated into a T-shaped configuration. The T-shaped guide rod 58 is rotatable up and down and left and right around the support portion 56, and the locking piece 59 of the steering rod 29 into which the engagement portion 57 at the tip can be fitted is provided on the outer surface. Even if the engaging portion 57 is fitted to the outer side of the locking piece 59, it is guided by the conical surface so that it can be easily fitted between the left and right locking pieces 59. ing. When the engaging portion 57 is engaged between the locking pieces 59, the front roller 14 is steered by the guide roller 53 being guided on the side surface D.

次に、主として図8に基づいて説明すると、前記苗カップ36の上端に、外周の伸縮杆71によって上下伸縮調節可能の蛇腹形態の補助筒72を設けたもので、供給する苗の大きさに応じて調節するものである。苗カップ36の外周部にソケット73を設け、補助筒72の外周上部に固定した伸縮杆71をこのソケット73に嵌合支持させて、この伸縮杆17の調節位置を、ソケット73の外側から挿通するセットボルト74によって固定することができる。 Next, mainly described with reference to FIG. 8, the seedling cup 36 is provided with a bellows-shaped auxiliary cylinder 72 that can be vertically expanded and contracted by an outer expansion / contraction rod 71 at the upper end of the seedling cup 36. It adjusts accordingly. A socket 73 is provided on the outer peripheral portion of the seedling cup 36, and an extension rod 71 fixed to the upper periphery of the auxiliary cylinder 72 is fitted and supported on the socket 73, and the adjustment position of the extension rod 17 is inserted from the outside of the socket 73. It can fix with the set bolt 74 to do.

次に、主として図9に基づいて説明すると、前記苗植付体2の上下長さを調節可能に構成したものである。畝土壌面Bは、水捌を良くする等のために畝幅の中央部を高くし左右両端部を低くする中央盛り形態とすることがある。このような土壌面Bに例えば4条植えするときは、中央部の2条が深植となったり、左右両側の2条が浅植となり易い。ここで、これら外側の2条植する苗植付体2の外側面に上下移動調節可能の調節植付体75を取付けて、この調節植付体75の下端部を他の中央部2条の苗植付体2の下端よりも下方に位置させて、畝土壌面Bに沿わせている。これによって各植付条の土壌面に対する苗植付深さを一定にすることができる。この調節植付体75は、苗植付体2と相似形で、この前後苗植付体2の前後外側面に嵌合して上下に移動できる。この前後一対の調節植付体75は背面に上下長穴76を形成し、苗植付体2の背面に固定のボルト77に嵌合させて、上下に移動調節でき、ナット78で締付固定できる。 Next, mainly described with reference to FIG. 9, the vertical length of the seedling planting body 2 is configured to be adjustable. The dredged soil surface B may be formed in a central form in which the central part of the dredger width is raised and the left and right end parts are lowered to improve the dredging. For example, when four rows are planted on such a soil surface B, two rows at the center portion are deeply planted, and two rows on the left and right sides are likely to be shallow plants. Here, an adjustment planting body 75 that can be moved up and down is attached to the outer surface of the seedling planting body 2 to plant these two outer strips, and the lower end portion of the adjustment planting body 75 is connected to the other central two strips. The seedling planted body 2 is positioned below the lower end of the seedling planting body 2 and is along the straw soil surface B. Thereby, the seedling planting depth with respect to the soil surface of each planting strip can be made constant. This adjustment planting body 75 is similar to the seedling planting body 2 and can be moved up and down by fitting to the front and rear outer surfaces of the front and rear seedling planting body 2. The pair of front and rear adjustment planted bodies 75 are formed with upper and lower elongated holes 76 on the back surface, and can be adjusted to move up and down by fitting with fixed bolts 77 on the back surface of the seedling planted body 2. it can.

本発明は、畝で栽培される作物の苗を移植する苗移植機で特に乗用型のものに利用される。   INDUSTRIAL APPLICABILITY The present invention is particularly used for a seedling transplanter for transplanting seedlings of crops cultivated with straw.

苗移植機の側面図Side view of seedling transplanter 苗移植機の平面図Top view of seedling transplanter その苗植装置部の一部斜視図Partial perspective view of the seedling planting part その伝動装置の正面図Front view of the transmission その苗植付体部の斜視図Perspective view of the seedling planting part 案内ローラ部の平面図Top view of the guide roller 案内ローラ部の作用状態を示す斜視図The perspective view which shows the action state of a guide roller part 苗カップ部の側面図Side view of seedling cup 苗植付体部の斜視図Perspective view of seedling planting part

符号の説明Explanation of symbols

1 苗供給装置
2 苗植付体
3 覆土ディスク
4 苗植装置
5 車体
6 ローリング軸
7 苗植フレーム
8 ばね
9 支持軸
10 ディスクアーム
DESCRIPTION OF SYMBOLS 1 Seedling supply apparatus 2 Seedling planting body 3 Covering disc 4 Seedling planting apparatus 5 Car body 6 Rolling shaft 7 Seedling frame 8 Spring 9 Support shaft 10 Disc arm

Claims (3)

車体(5)の後部に苗植装置(4)を昇降可能に且つローリング軸(6)の周りに回動自在に設け、苗植装置(4)は、苗カップ(36)を備える苗供給装置(1)とこの苗供給装置(1)から供給される苗を保持して土壌面に植付ける4条分の苗植付体(2)苗植付体(2)の後側で各植付苗の植付部を覆土する覆土ディスク(3)とからな外側2条の苗植付体(2)の外側面に上下移動調節可能な調節植付体(75)を取り付け、調節植付体(75)の下端部を中央部2条の苗植付体(2)の下端よりも下方に位置させることができる構成としたことを特徴とする苗移植機。 A seedling planting device (4) is provided at the rear of the vehicle body (5) so as to be movable up and down and rotatable around a rolling shaft (6). The seedling planting device (4) includes a seedling cup (36). (1) and the four seedling planting bodies (2) and seedling planting bodies (2) to be planted on the soil surface while holding the seedlings supplied from this seedling supply device (1) Ri Do from the soil cover disc for soil cover the planting of Tsukenae (3), mounted vertically mobile adjustable adjusting planting body on the outer surface of the seedling planting of the outer two rows (2) to (75), adjusting A seedling transplanting machine characterized in that the lower end portion of the planted body (75) can be positioned below the lower end of the seedling planted body (2) of the center section 2 strips . 苗カップ(36)の上端に、上下伸縮可能な蛇腹形態の補助筒(72)を設けたことを特徴とする請求項1に記載の苗移植機。 The seedling transplanter according to claim 1, wherein an auxiliary tube (72) in the form of a bellows that can be vertically expanded and contracted is provided at the upper end of the seedling cup (36) . 前記ローリング軸(6)部の左右両側方の苗植フレーム(7)部に支持軸(9)を設け、後端に左右一対の覆土ディスク(3)支持するディスクアーム(10)を支持軸(9)の周りに上下回動自在に設け、各々のディスクアーム(10)と苗植フレーム(7)との間に設けたばね(8)により覆土ディスク(3)を下方へ弾発させた構成とし、苗供給装置(1)のテーブル(39)を左右一対設け、該テーブル(39)を内側の軸(40)の周りに後方へ回動して、サイドシート(25)の後方を広く開放できると共に苗植装置(4)の横幅を狭くできる構成とし、車体(5)の前方に設けた左右の畝案内ローラ(53)の左右揺動により車体(5)の前車輪(14)が左右へ操向されるよう連動する操向連動構成を設け、苗植装置(4)が非作業位置へ上昇すると操向連動構成による連動が解除される構成としたことを特徴とする請求項1、又は2に記載の苗移植機。 A support shaft (9) is provided at the seedling planting frame (7) on both the left and right sides of the rolling shaft (6), and a disk arm (10) for supporting a pair of left and right cover soil disks (3) is supported at the rear end. (9) A structure in which the cover soil disk (3) is elastically moved downward by a spring (8) provided between each disk arm (10) and the seedling planting frame (7). A pair of left and right tables (39) of the seedling supply device (1) are provided, and the tables (39) are rotated rearward around the inner shaft (40) so that the rear of the side seat (25) is widely opened. In addition, the width of the seedling planting device (4) can be reduced, and the front wheel (14) of the vehicle body (5) is moved left and right by the left and right swing guide rollers (53) provided in front of the vehicle body (5). Steering interlocking structure that interlocks to be steered to the seedling planting device (4 There seedling transplantation machine as set forth in claim 1, or 2, characterized in that where the structure is linked by steering linkage arrangement is released when raised to the non-working position.
JP2003338875A 2003-09-29 2003-09-29 Seedling transplanter Expired - Fee Related JP4314951B2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017035118A (en) * 2016-11-24 2017-02-16 井関農機株式会社 Seedling transplanter

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5853928B2 (en) * 2012-10-15 2016-02-09 井関農機株式会社 Transplanter
CN116391478A (en) * 2023-05-06 2023-07-07 海南大学三亚南繁研究院 Melon crop seedling planting device with adjustable planting distance

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017035118A (en) * 2016-11-24 2017-02-16 井関農機株式会社 Seedling transplanter

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