JPH0575362B2 - - Google Patents
Info
- Publication number
- JPH0575362B2 JPH0575362B2 JP58224949A JP22494983A JPH0575362B2 JP H0575362 B2 JPH0575362 B2 JP H0575362B2 JP 58224949 A JP58224949 A JP 58224949A JP 22494983 A JP22494983 A JP 22494983A JP H0575362 B2 JPH0575362 B2 JP H0575362B2
- Authority
- JP
- Japan
- Prior art keywords
- moves
- leveling float
- planting
- soil leveling
- rice transplanting
- 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
- 239000002689 soil Substances 0.000 claims description 33
- 241000209094 Oryza Species 0.000 claims description 28
- 235000007164 Oryza sativa Nutrition 0.000 claims description 28
- 235000009566 rice Nutrition 0.000 claims description 28
- 230000035945 sensitivity Effects 0.000 claims description 24
- 230000003028 elevating effect Effects 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 10
- 230000008602 contraction Effects 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 3
- 238000005452 bending Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005339 levitation Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
Landscapes
- Transplanting Machines (AREA)
Description
【発明の詳細な説明】
この発明は田植機に関するもので、詳しくは、
走行車体に昇降作動機構を介して田植装置を装着
して、この田植装置に取付けられた整地フロート
の接地圧変動によつて昇降動作機構を作動して所
定の接地圧に保持させるよう構成した田植機に関
するものであり、従来、この種の田植機におい
て、圃場の表土の硬・軟によつて上記の昇降動作
機構の感度、即ち、整地フロートの浮上をし易く
したり、困難にしたりする浮上感度調節装置を設
けていた。ところが、この浮上感度調節装置で、
例えば整地フロートの前部を押え付ける力を大き
くすると整地フロート全体が表土面下へ大きくも
ぐつて植付け深さが深くなつてしまう欠点があ
り、逆に、軟かい表土のときに押え付け力を弱め
ると浅植えになつてしまう欠点があつた。[Detailed Description of the Invention] This invention relates to a rice transplanter.
A rice transplanter in which a rice transplanting device is attached to a traveling vehicle body via an elevating mechanism, and the elevating mechanism is operated to maintain a predetermined ground pressure by ground pressure fluctuations of a soil leveling float attached to the rice transplanting device. Conventionally, in this type of rice transplanter, the sensitivity of the above-mentioned lifting mechanism is affected by the hardness or softness of the topsoil in the field. It was equipped with a sensitivity adjustment device. However, with this levitation sensitivity adjustment device,
For example, if you increase the force that holds down the front part of the soil leveling float, the entire land leveling float will be pushed down below the surface of the topsoil, resulting in a deeper planting depth. It had the disadvantage that if it was weakened, it would become shallowly planted.
また、浮上感度調節装置の別例として整地フロ
ートの向い角度を変更する構造とした場合でも硬
い表土のときに整地フロートの前部を上げて接地
面積を小さくするときには深植えになり、逆に軟
い表土のときに整地フロートの前部を下げて接地
面積を大きくすると浅植えになつてしまうという
欠点があつた。 In addition, even if a structure is adopted in which the orientation angle of the soil leveling float is changed as another example of a floating sensitivity adjustment device, when the front part of the soil leveling float is raised to reduce the ground contact area when the topsoil is hard, the soil will be planted deeply, and conversely, it will become softer. When the topsoil is thick, lowering the front part of the soil leveling float to increase the contact area has the disadvantage that it results in shallow planting.
このように、いずれの場合にも、整地フロート
の浮上感度調節装置を設けて適正な感度に調節す
るときには、苗植付け深さが変動してしまう欠点
があつた。 As described above, in both cases, when a floating sensitivity adjustment device for the soil leveling float is provided to adjust the sensitivity to an appropriate level, there is a drawback that the seedling planting depth fluctuates.
そこで、この発明は上記の欠点を解消すること
を目的とし、次の技術的手段を講じた。 Therefore, this invention aims to eliminate the above-mentioned drawbacks and has taken the following technical measures.
即ち、この発明は、車輪２，３が水田の耕盤上
で回転して前進する走行車体１に整地フロート２
６がその水田の表土上を滑走する田植装置２２が
昇降作動機構１５で上下に移動するように設けら
れ、滑走中の整地フロート２６が後部の横軸Ｐの
回りに回動して先端部が上下すると昇降作動機構
１５が作動して田植装置２２が上下することによ
りこの田植装置２２の表土からの高さが一定の範
囲内に保たれるように設けられ、整地フロート２
６の先端部を押圧する浮上感度調節装置Ａがその
押圧力を強弱に調節して整地フロート２６の先端
部の上昇を鈍感にしたり敏感にしたりするように
設けられ、感度調節装置Ａが敏感側に操作される
と横軸Ｐが上昇側に移動して苗の植付深さが深植
え側に移動するとともに鈍感側に操作されると横
軸Ｐが下降側に移動して苗の植付深さが浅植え側
に移動するように設けられていることを特徴とす
る田植機とした。 That is, the present invention provides a ground leveling float 2 to a traveling vehicle body 1 whose wheels 2 and 3 rotate on a plowing plate in a paddy field and move forward.
A rice transplanting device 22 that slides on the topsoil of the paddy field is moved up and down by a lifting mechanism 15, and the sliding soil leveling float 26 rotates around the horizontal axis P at the rear so that the tip part When the rice transplanting device 22 is raised and lowered, the lifting mechanism 15 is operated and the rice transplanting device 22 is raised and lowered, so that the height of the rice transplanting device 22 from the top soil is maintained within a certain range.
A floating sensitivity adjustment device A that presses the tip of the soil leveling float 26 is provided to adjust the pressing force to be strong or weak to make the rise of the tip of the soil leveling float 26 insensitive or sensitive. When operated, the horizontal axis P moves to the upward side and the planting depth of the seedlings moves to the deep planting side, and when operated to the insensitive side, the horizontal axis P moves to the downward side and the seedlings are planted. This rice transplanter is characterized in that the rice transplanter is provided so that the depth can be moved to the shallow planting side.
この発明は上記の構成によつて、表土の硬・軟
に対して田植装置の昇降感度を調節しても、苗植
付け深さの変動がなくなり、常に適正な苗植付け
深さに保持できる作用効果を奏する。 With the above structure, this invention eliminates fluctuations in the seedling planting depth even if the rice transplanting device's lifting sensitivity is adjusted depending on the hardness or softness of the topsoil, and the effect is that the seedling planting depth can always be maintained at an appropriate seedling planting depth. play.
この発明の一実施例を図面に基づいて詳述する
と、１は走行車体で、図例では乗用型であつて、
前輪２と後輪３とを有した機枠４の前側上部にボ
ンネツト５で覆われたエンジン６を搭載し、ボン
ネツト５の後部にハンドル７をその後方上部に操
縦座席８を架設している。９はミツシヨンケー
ス、１０はミツシヨンケース９の左右両側に取付
けられたチエンケースである。１１は左右のチエ
ンケース１０，１０を連結する継き枠で、これに
支柱１２を立設して前記操縦座席８を支持してい
る。１３，１４は操縦座席８の左右両側に設けた
操作パネルである。 An embodiment of the present invention will be described in detail based on the drawings. Reference numeral 1 denotes a running vehicle body, which is a passenger type vehicle in the illustrated example.
An engine 6 covered by a bonnet 5 is mounted on the front upper part of a machine frame 4 having a front wheel 2 and a rear wheel 3, a handle 7 is installed at the rear of the bonnet 5, and a control seat 8 is installed at the rear upper part. 9 is a transmission case, and 10 is a chain case attached to both left and right sides of the transmission case 9. Reference numeral 11 denotes a joint frame that connects the left and right chain cases 10, 10, and a column 12 is erected thereon to support the pilot seat 8. 13 and 14 are operation panels provided on both the left and right sides of the pilot seat 8.
１５は昇降作動機構で、リンク機構１６と油圧
装置１７とからなり、リンク機構１６は基部が前
記支柱２に枢着された上リンク１６ａと下リンク
１６ｂとこの両リンクを後部で枢結する縦リンク
１６ｃとからできている。そして、油圧装置１７
は第３図で示した通り油圧タンク１８、油圧ポン
プ１９、油圧切替バルブ２０及び油圧シリンダー
装置２１とからできている。 Reference numeral 15 denotes a lifting mechanism, which is composed of a link mechanism 16 and a hydraulic device 17. It is made up of link 16c. And the hydraulic system 17
As shown in FIG. 3, it is made up of a hydraulic tank 18, a hydraulic pump 19, a hydraulic switching valve 20, and a hydraulic cylinder device 21.
そして、油圧シリンダー装置２１のシリンダー
２１ａの基部が前記ミツシヨンケース９に枢着さ
れ、ピストン２１ｂが上リンク１６ａに枢着され
ている。 The base of the cylinder 21a of the hydraulic cylinder device 21 is pivotally connected to the transmission case 9, and the piston 21b is pivotally connected to the upper link 16a.
２２は田植装置で、植付伝動ケース２３に左右
に往復動可能に取付けた苗タンク２４と、この苗
タンク２４から苗を一株分づつ分割して植付ける
苗植付杆２５とを設け、下部には、その中央と左
右両側とに整地フロート２６，２７，２７を装着
したものであり、この田植装置２２の植付伝動ケ
ース２３の左右中央部を前記リンク機構１６の縦
リンク１６ｃに回動自由に取付けている。尚、図
例では縦リンク１６ｃにカウンターミツシヨン２
８を設けて、これに支軸を突出させ、この支軸に
装着している。 Reference numeral 22 denotes a rice transplanting device, which is provided with a seedling tank 24 attached to a planting transmission case 23 so as to be able to reciprocate from side to side, and a seedling planting rod 25 for dividing and planting seedlings from this seedling tank 24 one by one. At the bottom, leveling floats 26, 27, 27 are attached to the center and both left and right sides, and the left and right center portions of the planting transmission case 23 of the rice transplanting device 22 are connected to the vertical links 16c of the link mechanism 16. It is installed freely. In addition, in the example shown, the counter transmission 2 is attached to the vertical link 16c.
8 is provided, a support shaft is made to protrude from this, and the support shaft is attached to the support shaft.
上記整地フロート２６，２７，２７はそれらの
後部を植付伝動ケース２３に回動自由に取付けた
横軸２９に固着されるへ字状枠３０，３０、にピ
ン３１，３１、を介して回動自由に取付けたく字
状枠３２とブラケツト３３とを介して回動自由に
横軸Ｐで枢着されている。そして、該へ字状枠３
０のうちの何れか１つに操作レバー３４を取付
け、このレバー３４が植付伝動ケース２３に取付
けた上下に係合ノツチのある孔を有したパネル３
５の該孔に挿通して、この操作レバー３４でへ字
状枠３０，３０、の角度を変向調節可能に設けて
いる。 The above-mentioned soil leveling floats 26, 27, 27 are rotated via pins 31, 31 to F-shaped frames 30, 30, whose rear portions are fixed to a horizontal shaft 29 rotatably attached to the planting transmission case 23. It is pivotably mounted on a horizontal axis P through a doglegged frame 32 and a bracket 33, which are freely attached. Then, the C-shaped frame 3
A control lever 34 is attached to one of the panels 0, and this lever 34 is attached to a panel 3 having a hole with engagement notches at the top and bottom attached to the planting transmission case 23.
5, the angle of the F-shaped frames 30, 30 can be adjusted by using this operating lever 34.
また、中央部の整地フロート２６の前部は植付
伝動ケース２３に屈接部分がピン３６で枢着され
ている回動アーム３７に拡縮リンク３８を介して
連結され、この拡縮リンク３８の上側リンク杆３
８ａはその上下中間が回動アーム３７に枢着され
ている。 Further, the front part of the ground leveling float 26 in the center is connected via an expansion/contraction link 38 to a rotation arm 37 whose bending part is pivotally connected to the planting transmission case 23 by a pin 36, and the upper side of this expansion/contraction link 38 Link rod 3
8a is pivotally connected to the rotating arm 37 at its upper and lower middle.
３９はロツドで、前記へ字状枠３０と回動アー
ム３７とを連結するものである。 Reference numeral 39 is a rod that connects the C-shaped frame 30 and the rotating arm 37.
また、他の側部の整地フロート２７，２７の前
部は植付伝動ケース２３との間に拡縮リンク４
０，４０を介して上下動自由となるよう取付けら
れている。 In addition, the front part of the other side ground leveling floats 27, 27 is connected to the planting transmission case 23 by an expansion/contraction link 4.
It is attached so that it can move freely up and down through the 0.0 and 40.
前記油圧装置１７の油圧切替バルブ２０は、整
地フロート２６と回動アーム３７との間に介設し
て、整地フロート２６が苗植付けに適正な所定の
高さ以上に押上げられるときピストン２１ｂを突
出する側に切替え、逆に適正高さから下りすぎる
とピストン２１ｂが引込むように切替えられる構
成にしている。 The hydraulic switching valve 20 of the hydraulic device 17 is interposed between the soil leveling float 26 and the rotating arm 37, and operates the piston 21b when the soil leveling float 26 is pushed up to a predetermined height appropriate for planting seedlings. The configuration is such that the piston 21b is switched to the protruding side, and conversely, the piston 21b is switched to the retracted side when the piston 21b descends too far from the appropriate height.
前記操作パネル１３に穿設したノツチを有した
案内溝１３ａに挿通して回動調節自由に設けた感
度調節レバー４１は、前記拡縮リンク３８の上側
リンク杆３８ａの上部とワイヤー４２、スプリン
グ４３を介して連動されており、このレバー４１
を矢印イ方向へ回動するときはスプリング４３の
張力を強くして整地フロート２６を下方へ強く押
下げてその浮上抵抗を大とし、逆に、反矢印イ方
向へ回動するときは浮上抵抗を小とするよう連動
している。 A sensitivity adjustment lever 41, which is inserted into a guide groove 13a having a notch formed in the operation panel 13 and freely rotatably adjusted, connects the upper link rod 38a of the expansion link 38, the wire 42, and the spring 43. This lever 41
When rotating in the direction of arrow A, the tension of the spring 43 is increased to forcefully push down the leveling float 26 to increase its floating resistance, and conversely, when rotating in the opposite direction of arrow A, the floating resistance is increased. It is linked to make it small.
即ち、該感度調節レバー４１とワイヤー４２、
スプリング４３及び拡縮リンク３８とでもつて浮
上感度調節装置Ａが構成されている。 That is, the sensitivity adjustment lever 41 and the wire 42,
The spring 43 and the expansion/contraction link 38 constitute a floating sensitivity adjustment device A.
また、該感度調節レバー４１と前記く字状枠３
２とをワイヤー４４で連結すると共にこのワイヤ
ー４４のアウター４４ａのエンドを前記へ字状枠
３０で受け、更にこのへ字状枠３０とく字状枠３
２との間にスプリング４５を介装している。そし
て、レバー４１を矢印イ方向へ回動するときはワ
イヤー４４を引張つてく字状枠３２を矢印ロ方向
へ整地フロート３７の後部を下方へ下げ浅植えに
なるよう構成している。 Further, the sensitivity adjustment lever 41 and the doglegged frame 3
2 are connected by a wire 44, and the end of the outer 44a of this wire 44 is received by the V-shaped frame 30, and further, this V-shaped frame 30 and the V-shaped frame 3 are connected.
A spring 45 is interposed between the two. When the lever 41 is rotated in the direction of arrow A, the wire 44 is pulled and the doglegged frame 32 is lowered in the direction of arrow B to lower the rear part of the soil leveling float 37 for shallow planting.
即ち、植付け深さ調節機構Ｂはへ字状枠３０と
く字状枠３２とブラケツト３０とで整地フロート
２６を取付けた機構であり、この機構Ｂが感度調
節レバー４１によつて調節される構成になつてい
る。 That is, the planting depth adjustment mechanism B is a mechanism in which a soil leveling float 26 is attached to a V-shaped frame 30, a V-shaped frame 32, and a bracket 30, and this mechanism B is adjusted by a sensitivity adjustment lever 41. It's summery.
上例の作用を説明すると、苗タンク２４に苗を
載置収容して、エンジン６で各部を伝動して走行
車体１を推進させながら田植装置２２を、その各
整地フロート２６，２７，２７が水田の表土面に
接地する状態で牽引すると、苗植付杆２５が左右
に往復動する苗タンク２４から一株分づつ苗を分
割して整地フロート２６，２７，２７で整地され
た表土中へ苗を植付けて行く。 To explain the operation of the above example, seedlings are placed and stored in the seedling tank 24, and the rice transplanting device 22 is moved while the rice transplanting device 22 is propelled by the engine 6 transmitting various parts to propel the traveling vehicle body 1. When towed while in contact with the surface of the topsoil of a paddy field, the seedling planting rod 25 moves back and forth from the seedling tank 24, dividing the seedlings one by one into the topsoil leveled by the leveling floats 26, 27, 27. I'm going to plant the seedlings.
そして、苗植付け深さを調節するときは、操作
レバー３４でもつてへ字状枠３０の角度を調節し
て、く字状枠３２を介して整地フロート２６，２
７，２７の後部を上下に調節すればよい。 When adjusting the planting depth of seedlings, the angle of the F-shaped frame 30 is adjusted using the operating lever 34, and the soil leveling floats 26, 2 are moved through the F-shaped frame 32.
7, 27 can be adjusted up and down.
そして、上述の状態で苗植付け作業中、水田の
耕盤が深くなり、整地フロート２６の接地圧が大
きくなると、この整地フロート２６の前部はスプ
リング４３の張力に抗して押し上げられ油圧切替
バルブ２０をピストン２１ｂが突出する側に切替
え、昇降作動機構１５を動作して田植装置２２を
上動する。そして接地圧が適正になると中立状態
に戻す。逆に耕盤が浅くなり整地フロート２６の
接地圧が小さくなるとピストン２１ｂが引込む側
に油圧切替バルブ２０を切替えて田植装置２２を
下降する。 During seedling planting work in the above-mentioned state, when the plowing platform of the paddy field becomes deeper and the ground pressure of the soil leveling float 26 increases, the front part of the soil leveling float 26 is pushed up against the tension of the spring 43 and the hydraulic switching valve 20 to the side where the piston 21b protrudes, and the lifting/lowering operation mechanism 15 is operated to move the rice transplanting device 22 upward. When the ground pressure becomes appropriate, it returns to the neutral state. Conversely, when the plowing platform becomes shallow and the ground pressure of the soil leveling float 26 decreases, the hydraulic switching valve 20 is switched to the side where the piston 21b retracts, and the rice transplanting device 22 is lowered.
このように自動的に田植装置２２を適正高さに
制御して牽引することになる。 In this way, the rice transplanting device 22 is automatically controlled to an appropriate height and towed.
ところが、自動調節制御にもかかわらず、表土
が硬いとは整地フロート２６の前部が上下に踊り
易く頻繁に上下動し、そのたびに油圧切替バルブ
２０が切替えられて田植装置２２が上下にハンチ
ングを起すことになる。 However, despite the automatic adjustment control, if the topsoil is hard, the front part of the soil leveling float 26 tends to bounce up and down and moves up and down frequently, and each time the hydraulic switching valve 20 is switched, causing the rice transplanting device 22 to hunt up and down. will occur.
このようなときには、操縦者が感度調節レバー
４１を矢印イ方向へ回動してノツチに係合すると
よい。すると、ワイヤー４２を介してスプリング
４３が引張られ拡縮リンク３８を介し整地フロー
ト２６が強く弾下され整地フロート２６の頻繁な
上下動を起させず安定して田植装置２２を牽引さ
せることができる。 In such a case, it is preferable for the operator to rotate the sensitivity adjustment lever 41 in the direction of arrow A to engage the notch. Then, the spring 43 is pulled through the wire 42, and the soil leveling float 26 is strongly pushed down through the expansion/contraction link 38, so that the rice transplanting device 22 can be stably towed without causing frequent vertical movement of the soil leveling float 26.
この場合、整地フロート２６が強く弾下される
ためにどうしても苗植付け深さが深くなろうとす
るが、ワイヤー４４でく字状枠３２が矢印ロ方向
へ回動され、横軸Ｐが下降して深植えになろうと
する分だけ浅植え側へ補正をすることになる。 In this case, since the soil leveling float 26 is strongly bombarded, the planting depth of the seedlings inevitably becomes deeper, but the dogleg-shaped frame 32 of the wire 44 is rotated in the direction of the arrow B, and the horizontal axis P is lowered. If you are trying to plant deeper, you will have to make corrections to shallower planting.
また、上記の場合とは逆に、表土が軟かくなる
と整地フロート２６の前部が沈み込み易くなつて
該フロート２６の上動が緩慢になり、泥押しが多
くなるが、このようなときには、感度調節レバー
４１を反矢印イ方向へ操作してスプリング４３の
張力を弱めてやればよい。このとき、前記とは逆
に苗植付け深さが浅植えになろうとするが、同時
にワイヤー４４が弛緩されスプリング４５のため
に横軸Ｐが上昇し、フロート２６の後部が上動さ
れて深植えに補正されるのである。 Contrary to the above case, when the topsoil becomes soft, the front part of the grading float 26 tends to sink, and the upward movement of the float 26 becomes slow, resulting in more mud pushing. The tension of the spring 43 can be weakened by operating the sensitivity adjustment lever 41 in the opposite direction of arrow A. At this time, contrary to the above, the seedlings are planted at a shallow depth, but at the same time, the wire 44 is relaxed and the horizontal axis P is raised due to the spring 45, and the rear part of the float 26 is moved upward, causing the seedlings to be planted deeper. It is corrected to
このように、表土の硬・軟に応じて田植装置２
２の昇降作動感度を調節するとき、従来装置のよ
うに苗植付け深さまでが変化してしまうという不
測な事態が解消できるのである。 In this way, depending on the hardness or softness of the topsoil, the rice transplanting device 2
When adjusting the sensitivity of the raising and lowering operation in step 2, it is possible to eliminate the unexpected situation where the seedling planting depth changes as in conventional devices.
尚、第６図で別例の構成を説明すると、この実
施例では、前述の実施例におけるロツド３９と同
じ機能のロツド３９ａと同じく回動アーム３７ａ
との間を長孔４６とピン４７とで遊動状態に連結
し、ワイヤー４２のアウター側エンド部材４８を
前記回動アーム３７ａに設けて感度調節レバー４
１を矢印イ方向へ回動するとき、ワイヤー４２の
インナー側を引張るがためにアウター側で回動ア
ーム３７ａの前部を下動させ、整地フロート２６
の前部が下つてその向い角を小として整地面積を
増大し、感度調節レバー４１を矢印イ方向に回動
操作するときに逆に整地フロート２６の上動がし
易くなる構成になつている。即ち、感度が敏感側
に調節されるがこのときは、整地フロート２６が
前下りとなつて後部浮き気味となり浅植えになろ
うとするが、この第６図の実施例では、整地フロ
ート２６の後部ブラケツト３３を前記へ字状杆３
０に単にアーム３２ａで連結し、ワイヤー４４の
アウターエンドをへ字状杆３０に係止してインナ
ー側でアーム３２ａを吊下げるよう連結してい
る。このため、上記の浅植えになろうとするとき
に整地フロート２６を上方へワイヤー４４で吊上
げて深植え側となるよう補正する。 In addition, to explain the structure of another example with FIG.
The outer end member 48 of the wire 42 is provided on the rotary arm 37a, and the sensitivity adjustment lever 4
1 in the direction of arrow A, the front part of the rotating arm 37a is moved downward on the outer side in order to pull the inner side of the wire 42, and the earth leveling float 26
The front part of the earth leveling float 26 is lowered to reduce its angle of orientation to increase the leveling area, and conversely, when the sensitivity adjustment lever 41 is rotated in the direction of arrow A, the leveling float 26 is configured to move upward more easily. . That is, the sensitivity is adjusted to the sensitive side, but at this time, the soil leveling float 26 is lowered forward and the rear part floats, which tends to be shallow planting.In the embodiment shown in FIG. The bracket 33 is attached to the F-shaped rod 3.
0 simply by an arm 32a, the outer end of a wire 44 is locked to the F-shaped rod 30, and the arm 32a is connected to hang from the inner side. Therefore, when shallow planting is desired, the soil leveling float 26 is lifted upward by the wire 44 to correct the planting to be deep.
また、逆に、この実施例で感度調節レバー４１
を反矢印イ方向に回動して回動アーム３７ａの前
部を上向きに回動して整地フロート２６の前部を
上動して接地面積を少なくして感度を鈍感にする
ときには、深植えになろうとするけれどもこのと
きはワイヤー４４が弛緩されるためにアーム３２
ａが下方へ回動して浅植え側に補正することにな
る。 Conversely, in this embodiment, the sensitivity adjustment lever 41
When the soil leveling float 26 is rotated in the opposite direction of arrow A and the front part of the rotary arm 37a is rotated upward to move the front part of the soil leveling float 26 upward to reduce the ground contact area and make the sensitivity less sensitive, it is necessary to plant the soil deeply. However, at this time, the wire 44 is relaxed so that the arm 32
a will be rotated downward to correct the shallow planting side.
尚、実施図面中、４８は油圧切替バルブ２０を
手動で切替えるための油圧操作レバー、４９は苗
植付けクラツチレバーを示す。 In the drawings, reference numeral 48 indicates a hydraulic control lever for manually switching the hydraulic switching valve 20, and reference numeral 49 indicates a seedling planting clutch lever.
図は、この発明の一実施例を示したもので、第
１図は全体の側面図、第２図はその一部を簡略し
た平面図、第３図は油圧による昇降作動機構の回
路図、第４図は要部の側面図、第５図は要部の斜
面図、第６図は別例の要部の側面図である。
図中記号、１は走行車体、１５は昇降作動機
構、２２は田植装置、２６は整地フロート、Ａは
浮上感度調節装置、Ｂは植付深さ調節機構、Ｐは
横軸を示す。
The figures show one embodiment of the present invention; FIG. 1 is an overall side view, FIG. 2 is a partially simplified plan view, and FIG. 3 is a circuit diagram of a hydraulic lifting mechanism. FIG. 4 is a side view of the main part, FIG. 5 is a side view of the main part, and FIG. 6 is a side view of the main part of another example. Symbols in the figure include: 1 is a traveling vehicle body, 15 is a lifting mechanism, 22 is a rice transplanting device, 26 is a soil leveling float, A is a floating sensitivity adjustment device, B is a planting depth adjustment mechanism, and P is a horizontal axis.
Claims (1)
る走行車体１に整地フロート２６がその水田の表
土上を滑走する田植装置２２が昇降作動機構１５
で上下に移動するように設けられ、滑走中の整地
フロート２６が後部の横軸Ｐの回りに回動して先
端部が上下すると昇降作動機構１５が作動して田
植装置２２が上下することによりこの田植装置２
２の表土からの高さが一定の範囲内に保たれるよ
うに設けられ、整地フロート２６の先端部を押圧
する浮上感度調節装置Ａがその押圧力を強弱に調
節して整地フロート２６の先端部の上昇を鈍感に
したり敏感にしたりするように設けられ、感度調
節装置Ａが敏感側に操作されると横軸Ｐが上昇側
に移動して苗の植付深さが深植え側に移動すると
ともに鈍感側に操作されると横軸Ｐが下降側に移
動して苗の植付深さが浅植え側に移動するように
設けられていることを特徴とする田植機。1 The rice transplanting device 22, in which the soil leveling float 26 slides on the topsoil of the paddy field, is connected to the traveling vehicle body 1 whose wheels 2 and 3 rotate on a plowing platform of a paddy field and moves forward, and the elevating mechanism 15
When the soil leveling float 26 that is sliding rotates around the horizontal axis P at the rear and its tip moves up and down, the lifting mechanism 15 operates and the rice transplanting device 22 moves up and down. This rice transplanting device 2
2 is provided so that the height from the topsoil is maintained within a certain range, and a floating sensitivity adjustment device A that presses the tip of the soil leveling float 26 adjusts the pressing force to be strong or weak, so that the height of the surface leveling float 26 is maintained within a certain range. When the sensitivity adjustment device A is operated to the sensitive side, the horizontal axis P moves to the rising side and the planting depth of the seedlings moves to the deep planting side. The rice transplanter is characterized in that, when the rice transplanter is operated to the insensitive side, the horizontal axis P moves to the downward side, and the planting depth of the seedlings moves to the shallow planting side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22494983A JPS60114109A (en) | 1983-11-28 | 1983-11-28 | Rice planter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22494983A JPS60114109A (en) | 1983-11-28 | 1983-11-28 | Rice planter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60114109A JPS60114109A (en) | 1985-06-20 |
| JPH0575362B2 true JPH0575362B2 (en) | 1993-10-20 |
Family
ID=16821713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22494983A Granted JPS60114109A (en) | 1983-11-28 | 1983-11-28 | Rice planter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60114109A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0444016Y2 (en) * | 1986-03-22 | 1992-10-16 | ||
| JPH072046B2 (en) * | 1986-05-26 | 1995-01-18 | 井関農機株式会社 | Vertical control device for planting section of passenger rice transplanter |
| JPH088572Y2 (en) * | 1988-07-18 | 1996-03-13 | ヤンマー農機株式会社 | Rice transplanter depth control device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59192012A (en) * | 1983-04-15 | 1984-10-31 | ヤンマー農機株式会社 | Float constant-pressure controller of rice planter |
-
1983
- 1983-11-28 JP JP22494983A patent/JPS60114109A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59192012A (en) * | 1983-04-15 | 1984-10-31 | ヤンマー農機株式会社 | Float constant-pressure controller of rice planter |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60114109A (en) | 1985-06-20 |
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