JPH06189615A - Seedling planter - Google Patents
Seedling planterInfo
- Publication number
- JPH06189615A JPH06189615A JP5206495A JP20649593A JPH06189615A JP H06189615 A JPH06189615 A JP H06189615A JP 5206495 A JP5206495 A JP 5206495A JP 20649593 A JP20649593 A JP 20649593A JP H06189615 A JPH06189615 A JP H06189615A
- Authority
- JP
- Japan
- Prior art keywords
- machine body
- hydraulic
- floats
- driving wheels
- drive wheels
- 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.)
- Pending
Links
Landscapes
- Transplanting Machines (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、水田で用いる苗植機
に関するもので、詳しくは、左右駆動車輪の相対的上下
高さを変更して機体を苗植付けに適正な姿勢にして良好
なる苗植付作業が行なえる苗植機に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seedling planting machine used in a paddy field, and more specifically, by changing the relative vertical heights of left and right driving wheels to make a proper posture for planting seedlings and improve the seedling planting ability. The present invention relates to a seedling planting machine that can perform planting work.
【０００２】[0002]
【従来の技術】この種の従来例としては、特開昭５７−
６５１１７号公報に示すように左右駆動車輪の外側方に
位置させた左右のフロートにて機体の傾きを検出し、そ
の検出で左右駆動車輪の相対的位置関係を変更する苗植
機がある。2. Description of the Related Art As a conventional example of this kind, Japanese Patent Application Laid-Open No. 57-
As disclosed in Japanese Patent No. 65117, there is a seedling planting machine that detects the tilt of the machine body by the left and right floats located outside the left and right drive wheels and changes the relative positional relationship between the left and right drive wheels based on the detection.
【０００３】[0003]
【発明が解決しようとする課題】然し乍ら、上記従来例
の苗植機は、左右駆動車輪の上下作動機構とフロートに
て機体の傾きを検出してそれを機体側に伝達する伝達機
構とが、機体側面視で同位置に有り、互いが干渉しない
ように配置することは非常に困難であり、実用化できる
ものではなかった。However, in the above-mentioned conventional seedling planting machine, the vertical operation mechanism of the left and right driving wheels and the transmission mechanism for detecting the inclination of the machine body by the float and transmitting it to the machine body side, It was at the same position in a side view of the aircraft and it was very difficult to arrange them so that they did not interfere with each other, and it was not possible to put them into practical use.
【０００４】[0004]
【課題を解決するための手段】この発明は、上記課題を
解決するため、機体の後部に苗を載置して左右動する苗
タンクを設け、機体の左右側部に左右伝動ケースを回動
自在に設けて、これらの左右伝動ケースの後端部の外側
に各々左右駆動車輪を設けると共に、左右駆動車輪の外
側方に機体の傾斜を検出する左右一対のセンサフロート
を設け、該センサフロートの機体傾斜検出により連繋機
構を介して機体側に設けた油圧切替弁が切替えられ、該
油圧切替弁にて作動する油圧シリンダーが左右駆動車輪
の相対的上下位置を変更して機体左右姿勢を修正するよ
うに設けた苗植機において、油圧シリンダーを左右伝動
ケースよりも機体前方で下方位置に配置し、前記左右セ
ンサフロートと油圧切替弁との連繋機構を左右センサフ
ロートから各々左右駆動車輪を迂回して油圧シリンダー
よりも後方側から油圧切替弁に連繋させる構成としたこ
とを特徴とする苗植機としたものである。In order to solve the above-mentioned problems, the present invention provides a seedling tank for placing seedlings on the rear part of the machine body to move left and right, and rotating left and right transmission cases on the left and right side parts of the machine body. The left and right drive wheels are provided outside the rear ends of these left and right transmission cases, and a pair of left and right sensor floats for detecting the inclination of the machine body are provided outside the left and right drive wheels. By detecting the tilt of the machine, the hydraulic switching valve provided on the side of the machine is switched via the connecting mechanism, and the hydraulic cylinder operated by the hydraulic switching valve changes the relative vertical position of the left and right drive wheels to correct the lateral attitude of the machine. In the seedling planting machine provided in such a manner, the hydraulic cylinder is arranged in a lower position in front of the machine body with respect to the left and right transmission cases, and the connection mechanism between the left and right sensor floats and the hydraulic switching valve is left from the left and right sensor floats, respectively. Is obtained by a seedling planting machine is characterized in that the arrangement for interlocking the hydraulic switching valve from the rear side of the hydraulic cylinder to bypass the driving wheels.
【０００５】[0005]
【作用効果】この発明は、油圧シリンダーを左右伝動ケ
ースよりも機体前方で下方位置に配置し、前記左右セン
サフロートと油圧切替弁との連繋機構を左右センサフロ
ートから各々左右駆動車輪を迂回して油圧シリンダーよ
りも後方側から油圧切替弁に連繋させる構成としたか
ら、左右センサフロートと油圧切替弁との連繋機構が左
右駆動車輪の相対的上下位置を変更する油圧シリンダー
に干渉することがなく構成簡潔にして実用化できる苗植
機を得ることができる。また、油圧シリンダーを左右伝
動ケースよりも機体前方で下方位置に配置したことによ
り、機体後部に苗を載置して左右動する苗タンクを設け
たにも拘らず前後バランスが良くなり、小型軽量の苗植
機を得ることができる。According to the present invention, the hydraulic cylinder is arranged at a lower position in front of the machine body with respect to the left and right transmission case, and the connecting mechanism of the left and right sensor floats and the hydraulic pressure switching valve bypasses the left and right drive wheels from the left and right drive wheels respectively. Since it is configured to connect to the hydraulic switching valve from the rear side of the hydraulic cylinder, the connecting mechanism of the left and right sensor floats and the hydraulic switching valve does not interfere with the hydraulic cylinder that changes the relative vertical position of the left and right drive wheels. It is possible to obtain a seedling planting machine that can be put into practical use in a simple manner. In addition, by placing the hydraulic cylinder in the lower position in front of the machine than the left and right transmission case, the front and rear balance is improved despite the seedling tank placed on the rear of the machine to move left and right, small and lightweight. You can get a seedling planter.
【０００６】[0006]
【実施例】つぎに、この発明の実施例を説明する。図１
及び図２のように、１は、機体で、前後に走行ミッショ
ンケース２と植付伝動ケース３とが固定され、走行ミッ
ションケース２の前にはエンジン台４が固定されてい
る。５はエンジン、６はボンネットを示す。Embodiments of the present invention will be described below. Figure 1
Further, as shown in FIG. 2, reference numeral 1 denotes an airframe in which a traveling mission case 2 and a planted transmission case 3 are fixed to the front and rear, and an engine base 4 is fixed in front of the traveling mission case 2. 5 is an engine and 6 is a hood.
【０００７】７・８は、左右の伝動ケースで、先端が前
記の走行ミッションケース２の両側に回動自在に取付け
られ、後端部の外側にそれぞれ駆動車輪９・１０が設け
られている。３ａ・３ｂは、外側植付伝動ケースで、植
付伝動ケース３から左右に延びた筒ケース３ｃ・３ｄの
先に取付けられている。Reference numerals 7 and 8 denote left and right transmission cases, the front ends of which are rotatably attached to both sides of the traveling mission case 2, and drive wheels 9 and 10 are provided outside the rear end portions thereof. Reference numerals 3a and 3b denote outer planted transmission cases, which are attached to the ends of cylindrical cases 3c and 3d extending from the planted transmission case 3 to the left and right.
【０００８】１１は、後ケースで、植付伝動ケース３の
後端部に取付けられている。１２は操縦杆、１３は左右
に移動する苗タンク、１４…は横並びに配置された植付
装置で、これらの植付伝動ケース３、苗タンク１３及び
植付装置１４…などで苗植装置が構成される。１５・１
６は駆動装置で、図では油圧式に構成される。即ち、エ
ンジン台４の先端部に上向のピン１７で天秤杆１８が取
付けられ、その両側にばね１９・２０で後方へ押出し勝
手の可動具２１・２２が設けられ、これにシリンダー１
５ａ・１６ａの基部が取付けられる。これらのシリンダ
ー１５ａ・１６ａから後に伸びるピストン１５ｂ・１６
ｂの先端は、左右の伝動ケース７・８と一体のアーム２
３・２４に連結され、ピストン１５ｂ・１６ｂが突出す
ると伝動ケース７・８の後端側が下に動くように設けら
れている。A rear case 11 is attached to the rear end portion of the planted transmission case 3. 12 is a control rod, 13 is a seedling tank that moves to the left and right, 14 ... is a laterally arranged planting device, and these planting transmission case 3, seedling tank 13, planting device 14 ... Composed. 15.1
Reference numeral 6 is a drive device, which is configured hydraulically in the figure. That is, the balance rod 18 is attached to the tip of the engine base 4 by the upward pin 17, and the movable members 21 and 22 which are extrudable rearward by the springs 19 and 20 are provided on both sides of the balance rod 18.
The bases of 5a and 16a are attached. Pistons 15b and 16 extending rearward from these cylinders 15a and 16a
The tip of b is an arm 2 that is integrated with the left and right transmission cases 7 and 8.
The rear ends of the transmission cases 7 and 8 are provided so as to move downward when the pistons 15b and 16b are connected to the 3 and 24 and project.
【０００９】そして、この駆動装置１５・１６は、図４
で示した油圧回路で作動される。即ち、２５・２６は油
圧ポンプ、２７・２８は油圧切替弁、２９は油圧タンク
で、駆動装置１５・１６は油圧ポンプ２５・２６と油圧
切替弁２７・２８とで作動するようになっている。図３
のように、３０・３１は弁切替レバーで、弁ケース３２
・３３の弁軸３４・３５（図４）に基部の上下の中間部
が固定されている。The drive devices 15 and 16 are shown in FIG.
It is operated by the hydraulic circuit shown in. That is, 25 and 26 are hydraulic pumps, 27 and 28 are hydraulic switching valves, 29 is a hydraulic tank, and the drive devices 15 and 16 are operated by the hydraulic pumps 25 and 26 and the hydraulic switching valves 27 and 28. . Figure 3
30 and 31 are valve switching levers, and the valve case 32
The upper and lower intermediate parts of the base part are fixed to the valve shafts 34 and 35 of 33 (FIG. 4).
【００１０】図１及び図２のように、３６・３７は左右
の中フロートで、駆動車輪９・１０の巾内で前方に設け
られ後部が機体１に軸着されて前部が上下に移動するよ
う設けられている。３８・３９は、左右のセンサフロー
トで、駆動車輪９・１０の外側に配置され、後部が上下
に調節されるアームにピンで軸着され、中間部が外側植
付伝動ケース３ａ・３ｂにリンクで上下に動くように吊
下げられている。３８ａ・３９ａは陥没部である。As shown in FIGS. 1 and 2, 36 and 37 are middle floats on the left and right, which are provided in the front within the width of the drive wheels 9 and 10, and the rear part is pivotally attached to the machine body 1 and the front part moves up and down. It is provided to do. 38 and 39 are left and right sensor floats, which are arranged on the outside of the drive wheels 9 and 10 and whose rear part is pivotally attached to an arm which is adjusted up and down by a pin and whose middle part is linked to the outer planted transmission cases 3a and 3b. It is suspended so that it can move up and down. Reference numerals 38a and 39a are depressions.
【００１１】４０・４１は、車輪跡消フロートで、それ
ぞれの駆動車輪９・１０の後に配置されている。図３の
ように、４３・４４はロッドで、中フロート３６・３７
と左右の弁切替レバー３０・３１の前部とを連結してい
る。次に、左右センサフロート３８・３９と油圧切替弁
２７・２８との連繋機構を説明すると、図２及び図３の
ように、４５・４６は回動軸で、図では筒軸になってい
て、伝動ケース７・８の回動中心に外向に取付けた軸４
７・４８に挿通され、この回動軸４５・４６の外側には
後方へ向うアーム４９・５０が固定され、その長孔（図
１及び図３）にブラケット５１・５２のピン５３・５４
が挿し込まれる。ブラケット５１・５２は、センサフロ
ート３８・３９の先端部に固定されていて、その上下の
動きでこれらのアーム４９・５０が回されるよう構成さ
れている。５５・５６は、回動アームで、回動軸４５・
４６の内側に固定され、上端が、伝動ケース７・８の上
を通って走行ミッションケース２の側面に近寄ってい
る。図３のように、５７・５８は、回動板で、走行ミッ
ションケース２の上部のブラケット５９にピン６０で回
動自在に支えられる。この回動板５７・５８の下端部に
前記回動アーム５５・５６の先端部がピンと長孔で接続
される。６１・６２は、ロッドで、回動板５７・５８と
弁切替レバー３０・３１とを連結する。ロッド６１・６
２と弁切替レバー３０・３１との連結は、弁切替レバー
３０・３１の長孔３０ａ・３１ａにロッド６１・６２の
先端を折曲げて嵌合し、センサフロート３８・３９が一
定以上に上に動いてロッド６１・６２が大きく後方へ引
かれたときにはじめて弁切替レバー３０・３１が回動さ
れるよう設けられている。Reference numerals 40 and 41 denote wheel mark erasing floats, which are arranged after the respective drive wheels 9 and 10. As shown in FIG. 3, 43 and 44 are rods and medium floats 36 and 37.
And the front portions of the left and right valve switching levers 30 and 31 are connected. Next, the mechanism for connecting the left and right sensor floats 38 and 39 to the hydraulic pressure switching valves 27 and 28 will be described. As shown in FIGS. 2 and 3, 45 and 46 are rotating shafts, and in the drawings, they are cylindrical shafts. , The shaft 4 mounted outward at the center of rotation of the transmission cases 7 and 8
The arm 49.50 is fixed to the outside of the rotary shaft 45.46, and the pin 49.54 of the bracket 51.52 is inserted into the long hole (FIGS. 1 and 3).
Is inserted. The brackets 51 and 52 are fixed to the tip ends of the sensor floats 38 and 39, and the arms 49 and 50 are configured to be rotated by the vertical movements thereof. 55 and 56 are rotating arms, which are the rotating shafts 45 and
It is fixed inside 46, and the upper end passes over the transmission cases 7 and 8 and approaches the side surface of the traveling mission case 2. As shown in FIG. 3, reference numerals 57 and 58 denote rotating plates, which are rotatably supported by a bracket 60 on the upper bracket 59 of the traveling mission case 2. The tips of the rotating arms 55 and 56 are connected to the lower ends of the rotating plates 57 and 58 by pins and elongated holes. 61 and 62 are rods that connect the rotating plates 57 and 58 to the valve switching levers 30 and 31. Rod 61.6
2 and the valve switching levers 30 and 31 are connected by bending the ends of the rods 61 and 62 into the long holes 30a and 31a of the valve switching levers 30 and 31, and mounting the sensor floats 38 and 39 above a certain level. It is provided that the valve switching levers 30 and 31 are rotated only when the rods 61 and 62 are pulled to the rear by a large amount.
【００１２】即ち、弁切替レバー３０・３１は、普通の
作業状態では中フロート３６・３７の上下の動きで作動
し、センサフロート３８・３９が大きく上に動いたとき
にだけセンサフロート３８・３９で動かされるように設
けている。６３・３４はストッパーである。６５・６６
は、感度調節用のスプリングで、エンジン台４上のブラ
ケット６７にアーム６９・７０がピン６８で回動自在に
取付けられ、このアーム６９・７０と弁切替レバー３０
・３１との間に張設され、この左のアーム６９が、操縦
杆１２に設けた感度張設レバー７１にワイヤー７２で連
結され、スプリング６５・６６の張力が張設できるよう
に構成されている。That is, the valve switching levers 30 and 31 are operated by the vertical movements of the middle floats 36 and 37 in a normal working state, and the sensor floats 38 and 39 are moved only when the sensor floats 38 and 39 are largely moved upward. It is provided so that it can be moved by. 63 and 34 are stoppers. 65/66
Is a spring for adjusting the sensitivity. Arms 69 and 70 are rotatably attached to a bracket 67 on the engine base 4 by pins 68. The arms 69 and 70 and the valve switching lever 30 are
31 is stretched between 31 and 31. The left arm 69 is connected to a sensitivity tension lever 71 provided on the control lever 12 by a wire 72 so that the tension of the springs 65 and 66 can be tensioned. There is.
【００１３】図２の７３は左右の回動板５７・５８を同
時に強制的に引張って油圧切替弁を手動で切替えるため
のワイヤーで、油圧操作レバー７４に連接されている。
そして、通常このワイヤー７３は、ゆるめた状態で作業
が行なわれる。尚、図中７６はチェンジレバー、７７・
７８は予備苗載台を示す。このように構成された苗植機
は、苗タンク１３及び予備苗載台７７・７８に苗を載置
し、エンジン５で回転各部を駆動すると、各フロート３
６・３７・３８・３９・４０・４１が水田の泥面に接地
し、駆動車輪９・１０の回転で推進する。Reference numeral 73 in FIG. 2 denotes a wire for forcibly pulling the left and right rotating plates 57 and 58 at the same time to manually switch the hydraulic pressure switching valve, and is connected to the hydraulic pressure operating lever 74.
Then, normally, the work is performed in a loosened state of the wire 73. In the figure, 76 is a change lever, 77.
Reference numeral 78 represents a spare seedling mounting table. In the seedling planting machine configured in this way, when seedlings are placed on the seedling tank 13 and the spare seedling placing bases 77 and 78, and the rotating parts are driven by the engine 5, each float 3
6, 37, 38, 39, 40 and 41 are grounded on the mud surface of the paddy field and propelled by the rotation of the drive wheels 9 and 10.
【００１４】そして、植付装置１４…が左右に移動して
いる苗タンク１３から苗を分割して取り出し、泥土に挿
し込んで行く。このようにして苗植付作業が進められる
が、水田の耕盤が深くなると、駆動車輪９・１０で支え
られる機体１が下るから、泥面を滑走している中フロー
ト３６・３７とセンサフロート３８・３９の接地圧が増
大して上に押し上げられる。そして、苗植付作業に適正
な範囲を超えて上に動き、機体側に中フロート３６・３
７が近ずくと、弁切替レバー３０・３１がロッド４３・
４４を介して回動され、このため油圧切替弁２７・２８
が作動油を駆動装置１５・１６のシリンダー１５ａ・１
６ａ内へ送込み、ピストン１５ｂ・１６ｂが突出してア
ーム２３・２４が伝動ケース７・８を回し、駆動車輪９
・１０を押し下げる。そして、駆動車輪９・１０が耕盤
に当って次第に機体１を上昇させ、中フロート３６・３
７の接地圧が次第に減少して適正な状態になると、油圧
切替弁２７・２８が中立に戻り、駆動車輪９・１０の下
降が停止する。Then, the planting devices 14 ... Divide the seedlings out of the seedling tank 13 which is moving left and right, and insert them into the mud. Although the seedling planting work proceeds in this way, as the paddy field in the paddy field deepens, the machine body 1 supported by the drive wheels 9 and 10 descends. Therefore, the medium floats 36 and 37 and the sensor floats gliding on the mud surface The ground contact pressure of 38/39 increases and is pushed up. Then, it moves upward beyond the range suitable for seedling planting, and a medium float 36.
When 7 approaches, the valve switching levers 30 and 31 move to the rod 43
It is rotated via 44, and therefore the hydraulic pressure switching valves 27, 28
Drives hydraulic oil into cylinder 15a / 1 of drive device 15/16
6a, the pistons 15b and 16b project, the arms 23 and 24 rotate the transmission cases 7.8, and the drive wheels 9
・ Press down 10. Then, the drive wheels 9 and 10 hit the cultivator to gradually raise the machine body 1, and the medium float 36.3
When the ground contact pressure of 7 gradually decreases and becomes a proper state, the hydraulic pressure switching valves 27, 28 return to neutral, and the descent of the drive wheels 9, 10 is stopped.
【００１５】逆に、耕盤が浅くなると、水田の泥面から
機体１が浮上り、中フロート３６・３７及びセンサフロ
ート３８・３９が機体１が下る。すると、中フロート３
６・３７に連接されたロッド４３・４４が前記とは逆に
弁切替レバー３０・３１を回動する。このため、油圧切
替弁２７・２８が切替えられて、油圧シリンダー１５ａ
・１６ａ内の作動油がオイルタンク２９内へ戻り、油圧
ピストン１５ｂ・１６ｂが引っ込んで機体１が自動的に
下る。こうして適正な高さになると、油圧切替弁２７・
２８が中立に切替わる。On the contrary, when the cultivator becomes shallow, the machine body 1 floats from the mud surface of the paddy field, and the medium floats 36 and 37 and the sensor floats 38 and 39 descend. Then medium float 3
The rods 43 and 44 connected to 6 and 37 rotate the valve switching levers 30 and 31 in reverse to the above. Therefore, the hydraulic pressure switching valves 27 and 28 are switched, and the hydraulic cylinder 15a is switched.
The hydraulic oil in 16a returns to the oil tank 29, the hydraulic pistons 15b and 16b retract, and the machine body 1 automatically descends. When the proper height is reached in this way, the hydraulic pressure switching valve 27
28 switches to neutral.
【００１６】このように、耕盤の深さに応じて上下する
中フロート３６・３７で駆動車輪９・１０が上下する
が、この時、センサーフロート３８・３９が同じように
上下しても、このセンサフロート３８・３９の動きは、
弁切替レバー３０・３１を作動することにはならない。
即ち、センサフロート３８・３９が上下してアーム４９
・５０、回動軸４５・４６、回動アーム５５・５６、回
動板５７・５８及びロッド６１・６２を介して弁切替レ
バー３０・３１を回動しようとしても、ロッド６１・６
２が長孔３０ａ・３１ａに挿通された状態で遊んでいる
から、弁切替レバー３０・３１が回動しない。このよう
に、通常の耕盤の変動では中フロート３６・３７で油圧
切替弁２７・２８が切替えられるのである。In this way, the drive wheels 9 and 10 move up and down by the medium floats 36 and 37 that move up and down according to the depth of the tiller. At this time, even if the sensor floats 38 and 39 move up and down in the same manner, The movement of this sensor float 38/39 is
It does not operate the valve switching levers 30 and 31.
That is, the sensor floats 38 and 39 move up and down to move the arm 49.
Even if an attempt is made to rotate the valve switching levers 30 and 31 via the 50, the rotation shafts 45 and 46, the rotation arms 55 and 56, the rotation plates 57 and 58, and the rods 61 and 62, the rods 61 and 6
The valve switching levers 30 and 31 do not rotate because 2 is idle while being inserted into the long holes 30a and 31a. In this way, the hydraulic pressure switching valves 27 and 28 are switched by the medium floats 36 and 37 in the normal fluctuation of the tiller.
【００１７】また、横に耕盤の深さが変化しているとき
は、左右の中フロート３６・３７が独立して上下し、各
別に設けられた油圧切替弁２７・２８がそれぞれ前記の
仕組で切替えられるから、耕盤が深い側の駆動車輪９又
は１０が大きく下り、浅い側が上って機体１が横には所
定以上に傾むかないように制御される。そして、この場
合においても通常の耕盤の変化では中フロート３６・３
７で制御されることになる。When the depth of the cultivator is changing laterally, the left and right middle floats 36 and 37 are independently moved up and down, and the hydraulic switching valves 27 and 28, which are separately provided, are respectively arranged as described above. Therefore, the drive wheels 9 or 10 on the deep side of the tiller are greatly lowered, and the shallow side is raised so that the machine body 1 is not laterally inclined more than a predetermined amount. Even in this case, the medium float 36.
It will be controlled by 7.
【００１８】次に、耕盤の深さが横に大きく変化してい
るときは、機体１が左右に大きく傾むくが、このような
ときに初めてセンサフロート３８・３９が油圧切替弁２
７・２８を作動させる。しかし、このようなときにも中
接地フロート３６・３７も同じく油圧切替弁２７・２８
を切替える。例えば、左側の耕盤が大幅に深くなったよ
うな場合、機体１は、大きく左側へ傾くむく。すると、
中フロート３６が押上げられるが、それにも増して左側
のセンサフロート３８が大きく上に動く。このため、ア
ーム４９が押上げられ、回動軸４５、回動アーム５５、
回動板５７を介してロッド６１を後方へ引張る。する
と、長孔３０ａの後端にロッド６１の端が当って弁切替
レバー３０を回動し、駆動車輪９が下り、機体１が水平
に戻る。Next, when the depth of the cultivator is largely changed laterally, the machine body 1 tilts greatly to the left and right, but only in such a case, the sensor floats 38 and 39 are operated by the hydraulic pressure switching valve 2.
Operate 7/28. However, even in such a case, the medium grounding floats 36 and 37 also have the same hydraulic switching valves 27 and 28.
Switch. For example, when the left side tiller is significantly deepened, the machine body 1 is greatly tilted to the left side. Then,
The middle float 36 is pushed up, but the left side sensor float 38 moves much higher than that. Therefore, the arm 49 is pushed up, and the rotating shaft 45, the rotating arm 55,
The rod 61 is pulled rearward via the rotating plate 57. Then, the end of the rod 61 hits the rear end of the long hole 30a to rotate the valve switching lever 30, the drive wheel 9 descends, and the machine body 1 returns to the horizontal position.
【００１９】そして、特に、油圧シリンダー１５ａ・１
６ａを左右伝動ケース７・８よりも機体前方で下方位置
に配置し、前記左右センサフロート３８・３９と油圧切
替弁２７・２８との連繋機構を左右センサフロート３８
・３９から各々左右駆動車輪９・１０を迂回して油圧シ
リンダー１５ａ・１６ａよりも後方側から油圧切替弁２
７・２８に連繋させる構成としたから、左右センサフロ
ート３８・３９と油圧切替弁２７・２８との連繋機構が
左右駆動車輪９・１０の相対的上下位置を変更する油圧
シリンダー１５ａ・１６ａに干渉することがなく構成簡
潔にして実用化できる苗植機を得ることができる。ま
た、油圧シリンダー１５ａ・１６ａを左右伝動ケース７
・８よりも機体前方で下方位置に配置したことにより、
機体後部に苗を載置して左右動する苗タンク１３を設け
たにも拘らず前後バランスが良くなり、小型軽量の苗植
機を得ることができる。And, in particular, the hydraulic cylinder 15a.1
6a is arranged at a lower position in front of the machine body with respect to the left and right transmission cases 7 and 8, and a mechanism for connecting the left and right sensor floats 38 and 39 and the hydraulic pressure switching valves 27 and 28 is provided to the left and right sensor floats 38.
The hydraulic switching valve 2 from the rear side of the hydraulic cylinders 15a and 16a by bypassing the left and right drive wheels 9 and 10 respectively from 39.
Since the configuration is such that the left and right sensor floats 38 and 39 and the hydraulic pressure switching valves 27 and 28 are connected to the hydraulic cylinders 7 and 28, they interfere with the hydraulic cylinders 15a and 16a that change the relative vertical positions of the left and right drive wheels 9 and 10. It is possible to obtain a seedling planting machine that can be put into practical use without having to do so. In addition, the hydraulic cylinders 15a and 16a are attached to the left and right transmission case 7
・ By arranging in the lower position in front of the aircraft than 8,
Despite having the seedling tank 13 that moves seedlings on the rear part of the machine body and moves left and right, the front-rear balance is improved, and a small and lightweight seedling planting machine can be obtained.
【図１】苗植機の全体側面図[Figure 1] Overall side view of the seedling planting machine
【図２】苗植機の全体平面図[Fig. 2] Overall plan view of seedling planting machine
【図３】要部の斜視図FIG. 3 is a perspective view of a main part.
【図４】油圧回路図[Fig. 4] Hydraulic circuit diagram
１ 機体 ７・８ 左右伝動ケース ９・１０ 左右駆動車輪 １３ 苗タンク 15a・16a 油圧シリンダー 27・28 油圧切替弁 38・39 左右センサフロート 1 Aircraft 7.8 Left / right transmission case 9/10 Left / right drive wheels 13 Seedling tank 15a / 16a Hydraulic cylinder 27/28 Hydraulic switching valve 38/39 Left / right sensor float
───────────────────────────────────────────────────── フロントページの続き (72)発明者 木下 栄一郎 愛媛県伊予郡砥部町八倉１番地 井関農機 株式会社技術部内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Eiichiro Kinoshita 1 Hachikura, Tobe Town, Iyo-gun, Ehime Prefecture
Claims (1)
タンクを設け、機体の左右側部に左右伝動ケースを回動
自在に設けて、これらの左右伝動ケースの後端部の外側
に各々左右駆動車輪を設けると共に、左右駆動車輪の外
側方に機体の傾斜を検出する左右一対のセンサフロート
を設け、該センサフロートの機体傾斜検出により連繋機
構を介して機体側に設けた油圧切替弁が切替えられ、該
油圧切替弁にて作動する油圧シリンダーが左右駆動車輪
の相対的上下位置を変更して機体左右姿勢を修正するよ
うに設けた苗植機において、油圧シリンダーを左右伝動
ケースよりも機体前方で下方位置に配置し、前記左右セ
ンサフロートと油圧切替弁との連繋機構を左右センサフ
ロートから各々左右駆動車輪を迂回して油圧シリンダー
よりも後方側から油圧切替弁に連繋させる構成としたこ
とを特徴とする苗植機。1. A seedling tank for placing seedlings on the rear part of the machine body is provided to move left and right, and a left and right transmission case is rotatably provided on the left and right side parts of the machine body. Left and right drive wheels are provided on the outside, respectively, and a pair of left and right sensor floats for detecting the tilt of the machine body are provided on the outside of the left and right drive wheels, and the hydraulic pressure provided on the machine body side through a connection mechanism by the machine body tilt detection of the sensor floats. In the seedling planting machine in which the switching valve is switched and the hydraulic cylinder operated by the hydraulic switching valve changes the relative vertical position of the left and right driving wheels to correct the horizontal posture of the machine body, The left and right sensor floats and the hydraulic switching valve are linked to each other by bypassing the left and right drive wheels to bypass the left and right drive wheels, respectively. A seedling planting machine characterized by being connected to a pressure switching valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5206495A JPH06189615A (en) | 1993-08-01 | 1993-08-20 | Seedling planter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5206495A JPH06189615A (en) | 1993-08-01 | 1993-08-20 | Seedling planter |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15166384A Division JPS6128314A (en) | 1984-07-03 | 1984-07-20 | Wheel up-and-downn moving apparatus of walking type agricultural working machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06189615A true JPH06189615A (en) | 1994-07-12 |
Family
ID=16524323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5206495A Pending JPH06189615A (en) | 1993-08-01 | 1993-08-20 | Seedling planter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06189615A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5477498A (en) * | 1977-12-01 | 1979-06-20 | Riken Perfumery Kk | Method of and device for preventing gas from exploding in door |
| JPS5765117A (en) * | 1980-10-08 | 1982-04-20 | Iseki Agricult Mach | Running device of rice transplanter |
-
1993
- 1993-08-20 JP JP5206495A patent/JPH06189615A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5477498A (en) * | 1977-12-01 | 1979-06-20 | Riken Perfumery Kk | Method of and device for preventing gas from exploding in door |
| JPS5765117A (en) * | 1980-10-08 | 1982-04-20 | Iseki Agricult Mach | Running device of rice transplanter |
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| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |