JPS6368016A - Transplanter - Google Patents
TransplanterInfo
- Publication number
- JPS6368016A JPS6368016A JP21197986A JP21197986A JPS6368016A JP S6368016 A JPS6368016 A JP S6368016A JP 21197986 A JP21197986 A JP 21197986A JP 21197986 A JP21197986 A JP 21197986A JP S6368016 A JPS6368016 A JP S6368016A
- Authority
- JP
- Japan
- Prior art keywords
- seedling
- seedlings
- shaft
- transplanting
- transmission
- 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.)
- Granted
Links
- 241000196324 Embryophyta Species 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 description 56
- 239000002184 metal Substances 0.000 description 9
- 239000007943 implant Substances 0.000 description 5
- 239000002689 soil Substances 0.000 description 5
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000002054 transplantation Methods 0.000 description 4
- 241000209094 Oryza Species 0.000 description 3
- 235000007164 Oryza sativa Nutrition 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 235000009566 rice Nutrition 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000005570 vertical transmission Effects 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Transplanting Machines (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、苗載台から苗を一株分づつ取出して圃場に
植え付ける移植装置を装着した移植機に関するものであ
る。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a transplanter equipped with a transplanting device for taking out seedlings one by one from a seedling stand and planting them in a field.
従来の移植機においては、移植装置の圃場への苗植付時
における作動速度は一定であって、圃場の状態(スリッ
プ率の大小)及び植付苗の株間変更による移植装置の一
往復動の作動速度の変更等により苗の植付姿勢が変化し
、適正な苗の植付が行なえないものであった。In conventional transplanters, the operating speed of the transplanter when planting seedlings in the field is constant, and the reciprocal movement of the transplanter varies depending on the field conditions (size of slip ratio) and the change in the number of planted seedlings. Due to changes in the operating speed, etc., the planting posture of the seedlings changes, making it impossible to properly plant the seedlings.
この発明は、前記問題点を解決するために、適宜駆動装
置により前進する機体に装着され、苗載台と圃場との間
を往復動して圃場に苗を植付る移植装置を装備してなる
移植機において、該移植装置の圃場への苗植付時におけ
る作動速度を変更可能に構成したことを特徴とする移植
機としたものである。In order to solve the above-mentioned problems, this invention is equipped with a transplanting device that is attached to a machine that moves forward by an appropriate drive device, and that moves back and forth between a seedling stand and a field to plant seedlings in the field. This transplanter is characterized in that the operating speed of the transplanter when planting seedlings in a field can be changed.
この発明によると、移植装置の圃場への苗植付時におけ
る作動速度を変更可能に構成したことを特徴とする移植
機としたものであるから、苗の株間変更や圃場のスリッ
プ率の大小により苗植付時における移植装置の作動速度
を変更して、常に、移植装置による苗の植付姿勢が適正
になるようにすることができるものである。According to this invention, the transplanter is characterized in that the operating speed of the transplanting device when planting seedlings in the field can be changed, so that it can be adjusted by changing the spacing of seedlings or the size of the slip rate in the field. By changing the operating speed of the transplanting device when planting seedlings, it is possible to always ensure that the planting posture of the seedlings by the transplanting device is appropriate.
この発明の一実施例である乗用型田植機を図面に基づい
て詳細に説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS A riding-type rice transplanter which is an embodiment of the present invention will be described in detail based on the drawings.
1は乗用牽引車であって、フラットな操縦ステップフロ
ア−2の下側に、フロントミッションケース3とリヤー
ミッションケース4を設け、フロントミッションケース
3の後側部の左右両側にフロントアクスルケースを介し
て左右一対の前輪5゜5が伝動回転されるよう設け、リ
ヤーミッションケース4の左右両側に伝動ケース6.6
を取付けて後軸7,7を設け、前記ステップフロア−2
の前側部分に操作レバー等を取付ける枠体8を立設して
、これにステアリングポストを介しハンドル9を設け、
ハンドル9の後方にエンジン10を覆うカバー11を設
けて、その上に操縦座席12を取付けている。Reference numeral 1 is a passenger towing vehicle, in which a front transmission case 3 and a rear transmission case 4 are provided below a flat control step floor 2, and a front axle case is installed on both left and right sides of the rear side of the front mission case 3. A pair of left and right front wheels 5°5 are provided to be rotated by transmission, and transmission cases 6.6 are provided on both left and right sides of the rear transmission case 4.
, the rear shafts 7, 7 are installed, and the step floor 2 is installed.
A frame body 8 for attaching an operating lever etc. is provided upright on the front part of the frame body 8, and a handle 9 is provided to this via a steering post,
A cover 11 covering an engine 10 is provided behind a handle 9, and a control seat 12 is mounted on the cover 11.
13.13は支柱で、前記左右の伝動ケース6゜6を継
ぐ連結枠14上に、左右に所定の間隔でもって立設され
ている。Reference numeral 13.13 denotes columns, which are erected on the connecting frame 14 connecting the left and right transmission cases 6.degree. 6 at a predetermined interval from side to side.
15は昇降リンクで、左右一対の下リンク15a、15
aと単一の上リンク15bの基部側が前記支柱13.1
3にピンを介して枢着され、先端部側を縦リンク16で
連結し、該昇降リンク15が油圧シリンダー装置17に
よって上下回動作動されるよう構成されている。Reference numeral 15 is a lifting link, and a pair of left and right lower links 15a, 15
a and the base side of the single upper link 15b is the support column 13.1.
3 via a pin, the distal end side is connected by a vertical link 16, and the elevating link 15 is configured to be moved up and down by a hydraulic cylinder device 17.
18は移植作業機で、伝動ケース19と左右に往復動す
る苗タンク2oと移植装置21と中央部及び側部の整地
フロート22,23.23等からできており、この伝動
ケース19の左右中間部が前記縦リンク16と一体の支
持体24に支軸25を介してローリング自由に取付けら
れている。前記伝動ケース19は、主伝動ケース19a
部に上下方向の副伝動ケース19b、19b、19bと
後方へ延びる縦伝動ケース19c、19c、19Cとか
らできている。Reference numeral 18 denotes a transplanting machine, which is made up of a transmission case 19, a seedling tank 2o that reciprocates from side to side, a transplanting device 21, and soil leveling floats 22, 23, 23, etc. at the center and sides. is attached to a supporting body 24 integral with the vertical link 16 via a support shaft 25 so as to be able to roll freely. The transmission case 19 is a main transmission case 19a.
It is made up of vertical transmission cases 19b, 19b, 19b and vertical transmission cases 19c, 19c, 19C extending rearward.
26は苗受止枠で、苗タンク2oの下端側に沿わせて横
方向へ延ばされていて、これに苗タンク20中に載置さ
れる苗が分割できる苗分割口27゜27・・・を設けて
いる。Reference numeral 26 denotes a seedling receiving frame, which extends laterally along the lower end of the seedling tank 2o, and has a seedling dividing opening 27° 27 through which the seedlings placed in the seedling tank 20 can be divided.・We have established.
前記移植装置21は次の各部材によって構成されている
。即ち、前記縦伝動ケース19cに、外側横方向へ突出
する駆動軸28が適宜伝動回転されるよう架設され、こ
の駆動軸28の先端側を角形状に設けている。そして、
この駆動軸28に回転ケース29を取付けている。この
回転ケース29の取付は前記駆動軸28の先端側角軸部
を嵌合して該回転ケース29が駆動軸28と一体回転さ
れるように構成している。30は固定メタルで、基部が
伝動ケース19に止着されており、前記駆動軸28を包
むようにして回転ケース29内までその先端側が延びて
いる。そして、この固定メタル30先端側には前記駆動
軸28に対して偏心するの孔が穿たれている。31は太
陽ギヤーで、そのギヤーのボス部が前記固定メタル30
の孔に嵌合され該メタル31との間にキー31aが介装
されて、太陽ギヤー31が回転しないで回転ケース29
内に納まるよう設けられている。そして、この太陽ギヤ
ー31は前記駆動軸28の軸芯イに対してその中心が偏
芯口するように設けられている。The transplant device 21 is composed of the following members. That is, a drive shaft 28 protruding outward and laterally is mounted on the longitudinal transmission case 19c so as to be rotated as appropriate, and the distal end of the drive shaft 28 is provided in a square shape. and,
A rotating case 29 is attached to this drive shaft 28. The rotation case 29 is attached by fitting the square shaft portion on the tip side of the drive shaft 28 so that the rotation case 29 is rotated integrally with the drive shaft 28. 30 is a fixed metal whose base portion is fixed to the transmission case 19, and whose distal end side extends into the rotating case 29 so as to wrap around the drive shaft 28. A hole eccentric to the drive shaft 28 is bored on the tip side of the fixed metal 30. 31 is a sun gear, the boss portion of which is connected to the fixed metal 30.
A key 31a is fitted into the hole of the metal 31 and interposed between the key 31a and the metal 31, so that the sun gear 31 does not rotate and the rotating case 29
It is designed to fit inside. The sun gear 31 is provided so that its center is eccentric with respect to the axis A of the drive shaft 28.
32.32は前記太陽ギヤー31に噛合って回転ケース
29の回転によって回転されるカウンター遊星ギヤーで
ある。32. 32 is a counter planetary gear that meshes with the sun gear 31 and is rotated by the rotation of the rotating case 29.
33.33は移植具駆動軸34が一体的に設けられてい
る遊星ギヤーであって、回転ケース29の先端側内で、
前記カウンター遊星ギヤー32゜32に噛合されている
。そして、移植具駆動軸34は伝動ケース19側と反対
側へ長く延ばされていて、その先端側は角軸34aに形
成されている。33. 33 is a planetary gear in which the implant drive shaft 34 is integrally provided, and is located within the distal end side of the rotating case 29.
It is meshed with the counter planetary gear 32°32. The implant drive shaft 34 is elongated toward the side opposite to the transmission case 19, and its distal end is formed into a square shaft 34a.
そして、これらの太陽ギヤー31−カウンター遊星ギヤ
ー32.32・遊星ギヤー33.33にて伝動機構Aが
構成されている。A transmission mechanism A is constituted by these sun gear 31, counter planetary gears 32, 32, and planetary gears 33, 33.
35は移植具で、内部が中空ケース状になった移植具本
体35aとこの本体35aに取付けられた2本の針状体
よりなる正面視 型の苗移植爪36と苗押出フォーク3
7とケース内に納められる連動部材38、カム体39、
バネ40等からできている。そして、前記カム体39は
、前記移植具駆動軸34が貫通される孔が穿たれていて
、そのボス部39aを長く延ばし、前記回転ケース29
に角孔部ハに嵌合する形態で取付けられ、このカム体3
9が回転ケース29と一体的に回転されるよう構成され
ている。苗押出フォーク37は、移植具本体35a内に
上下中間部が上下摺動自由に取付けられ、下方の突出端
部には二叉状のフォーク片37aが一体的に止着されて
いる。連動部材38はカム体39とフォーク37の上端
部とを連動するもので、41がその支点ピンである。そ
して、苗移植爪36の先端がその軌跡においてPlに位
置した時(土中に苗を植付ける時)、カム体39に設け
た断部二に連動部材38のカムフロア−38aが対応し
、連動部材38はバネ40によリホ方向へ回動して苗押
出フォーク37をへ方向に急激に移動せしめる。Reference numeral 35 denotes a transplanting tool, which is comprised of a transplanting tool main body 35a with a hollow case-like interior, and two needle-like bodies attached to this main body 35a.
7, an interlocking member 38 housed in the case, a cam body 39,
It is made of spring 40 etc. The cam body 39 is provided with a hole through which the implant drive shaft 34 is passed, and the boss portion 39a thereof is extended.
The cam body 3 is attached in such a manner that it fits into the square hole C.
9 is configured to be rotated integrally with the rotating case 29. The seedling extrusion fork 37 has its upper and lower middle portions attached to the transplanter main body 35a so as to be able to freely slide up and down, and a forked fork piece 37a is integrally fixed to the lower protruding end. The interlocking member 38 interlocks the cam body 39 and the upper end of the fork 37, and 41 is its fulcrum pin. When the tip of the seedling transplanting claw 36 is located at Pl in its trajectory (when planting the seedling in the soil), the cam floor 38a of the interlocking member 38 corresponds to the cutout 2 provided on the cam body 39, and the interlocking The member 38 is rotated by the spring 40 in the rearward direction to rapidly move the seedling extrusion fork 37 in the backward direction.
42は、移植具35の本体35aと移植具駆動軸34と
を取付けるための取付金具であって、この取付金具42
は前記駆動軸34の角軸34a部に嵌合する角孔42a
と、移植具本体35aの外側面に止着するボルト挿通孔
42bが穿たれている。Reference numeral 42 denotes a mounting bracket for attaching the main body 35a of the transplanter 35 and the transplanter drive shaft 34;
is a square hole 42a that fits into the square shaft 34a of the drive shaft 34;
A bolt insertion hole 42b is formed to be fixed to the outer surface of the transplant main body 35a.
そして、このボルト挿通孔42bは前記駆動軸34を中
心にして円弧状に設けられ、ボルト43で該金具42を
移植具本体35aに取付けるとき、該本体35aが駆動
軸34のまわりに適宜回動調節可能に設定できるように
構成されている。The bolt insertion hole 42b is provided in an arc shape around the drive shaft 34, and when the metal fitting 42 is attached to the transplant main body 35a with the bolt 43, the main body 35a rotates around the drive shaft 34 as appropriate. It is configured to be adjustable.
また、取付金具42と駆動軸34とは周面の一部が軸芯
方向ヘテーパー状に削られたコツターピン44で角軸3
4a部に圧着され、このピン44を抜くと移植具駆動軸
34の軸芯方向に移植具35全体が移動調節できるよう
構成されている。In addition, the mounting bracket 42 and the drive shaft 34 are connected to the square shaft 3 by means of a rotary pin 44 whose peripheral surface is partially cut into a tapered shape in the axial direction.
4a, and when this pin 44 is removed, the entire transplantation tool 35 can be adjusted to move in the axial direction of the transplantation tool drive shaft 34.
また、取付金具42には移植具35の前記移植具駆動軸
34挿通用の挿通孔35b内に嵌入する係合部42cが
設けられている。Further, the mounting bracket 42 is provided with an engaging portion 42c that fits into the insertion hole 35b of the transplanter 35 through which the transplanter drive shaft 34 is inserted.
図中46はボールベアリング、47はオイルシールを示
す。In the figure, 46 indicates a ball bearing, and 47 indicates an oil seal.
次に、移植作業機18の動力伝動機構について説明する
と、乗用牽引車1のリヤーミッションケース4上にPT
O駆動ケース48を固設して設け、フロントミッシゴン
ケース3から伝動軸49により動力が伝動されており、
移植作業機18へはPTo駆動軸50により両端にユニ
バーサルジヨイント51・51を有する連結シャフト5
2を介して動力が伝動されるように構成されている。Next, to explain the power transmission mechanism of the transplanting work machine 18, there is a PT on the rear transmission case 4 of the passenger towing vehicle 1.
An O drive case 48 is fixedly provided, and power is transmitted from the front missigon case 3 through a transmission shaft 49.
A connecting shaft 5 having universal joints 51 at both ends is connected to the transplanting machine 18 by a PTo drive shaft 50.
The power is transmitted through 2.
伝動軸49及びPTO駆動軸50と平行に中間軸53を
PTO駆動ケース48内に設け、伝動軸49と中間軸5
3との間には株間変速機構54を設け、PTO駆動軸5
0と中間軸53との間には偏心歯“車よりなるPTO角
速度変更機構55を設けている。また、中間軸53には
PTO駆動軸50への動力を入切するクラッチ機構56
が設けられている。An intermediate shaft 53 is provided in the PTO drive case 48 parallel to the transmission shaft 49 and the PTO drive shaft 50, and the transmission shaft 49 and the intermediate shaft 5
An inter-stock transmission mechanism 54 is provided between the PTO drive shaft 5 and the PTO drive shaft 5.
0 and the intermediate shaft 53 is provided with a PTO angular velocity changing mechanism 55 consisting of an eccentric toothed wheel. Also, the intermediate shaft 53 has a clutch mechanism 56 that turns on and off the power to the PTO drive shaft 50.
is provided.
株間変速機構54は、下記の構成によりなる。The inter-plant transmission mechanism 54 has the following configuration.
伝動軸49に軸方向には移動不能に回転自在に枢支され
た大中小歯車57・58・59と、中間軸53に軸方向
には移動不能で前記大中小歯車57・58・59と各々
歯合する小中大歯車60a・60b・60Cを一体に形
成した歯車60を枢支して設け、伝動軸49には軸方向
に長い溝61を設け、該溝61内に先端に前記大中小歯
車57・58・59に設けた溝62・63・64に係合
する係合凸部65aを有する係合体65を軸方向に移動
自在に設け、該係合体65の基端部は伝動軸49に外嵌
しシフトレバ−66により軸方向に移動自在に設けられ
たボス67に圧縮バネ68によりイ方向に付勢されてピ
ン69により枢支されて設けられている。Large, medium and small gears 57, 58 and 59 are rotatably supported on the transmission shaft 49 without being able to move in the axial direction, and large, medium and small gears 57, 58 and 59 are supported on the intermediate shaft 53 and are not movable in the axial direction. A gear 60 integrally formed with meshing small, medium, and large gears 60a, 60b, and 60C is pivotally provided, and the transmission shaft 49 is provided with a long groove 61 in the axial direction. An engaging body 65 having engaging convex portions 65a that engages with grooves 62, 63, and 64 provided in the gears 57, 58, and 59 is provided so as to be movable in the axial direction, and the base end of the engaging body 65 is connected to the transmission shaft 49. A boss 67 is fitted onto the outside of the shaft and is movable in the axial direction by a shift lever 66. The boss 67 is biased in the A direction by a compression spring 68 and pivotally supported by a pin 69.
然して、シフトレバ−66により係合体65の係合凸部
65aを大中小歯車57・58・59の何れに係合させ
るかによりPTO伝動軸50の伝動軸49に対する回転
数が変速されるように構成されている。Accordingly, the rotation speed of the PTO transmission shaft 50 relative to the transmission shaft 49 is configured to be changed depending on which of the large, medium, and small gears 57, 58, and 59 the engagement protrusion 65a of the engagement body 65 engages with the shift lever 66. has been done.
PTO角速度変更機構55は、下記の構成によりなる。The PTO angular velocity changing mechanism 55 has the following configuration.
中間軸53に同歯数の偏心歯車70・71及び平歯車7
2を各々軸方向に移動不能でキー73により中間軸53
と一体に回転するように設け、PTO伝動軸50には上
記偏心歯車70・71及び平歯車72と歯合する同歯数
の偏心歯車74・75及び平歯車76を軸方向には移動
不能で回転自在に枢支して設け、PTO伝動軸50には
軸方向に長い溝77を設け、該溝77内に先端に前記偏
心歯車74・75及び平歯車76に設けた溝78・79
・80に係合する係合凸部81aを有する係合体81を
軸方向に移動自在に設け、該係合体81の基端部はPT
O伝動軸50に外嵌しシフトレバ−82により軸方向に
移動自在に設けられたボス83に圧縮バネ84により口
方向に付勢されてピン85により枢支されて設けられて
いる。Eccentric gears 70 and 71 and spur gear 7 with the same number of teeth are mounted on the intermediate shaft 53.
2 cannot be moved in the axial direction, and the intermediate shaft 53 is moved by the key 73.
The PTO transmission shaft 50 has eccentric gears 74 and 75 and a spur gear 76 having the same number of teeth that mesh with the eccentric gears 70 and 71 and the spur gear 72, and which cannot be moved in the axial direction. The PTO transmission shaft 50 is provided with a long groove 77 in the axial direction, and grooves 78 and 79 are provided at the tips of the eccentric gears 74 and 75 and the spur gear 76 within the groove 77.
- An engaging body 81 having an engaging convex portion 81a that engages with 80 is provided so as to be movable in the axial direction, and the base end of the engaging body 81 is PT.
A boss 83 is fitted onto the O transmission shaft 50 and is movable in the axial direction by a shift lever 82. The boss 83 is biased toward the mouth by a compression spring 84 and pivotally supported by a pin 85.
然して、シフトレバ−82により係合体81の係合凸部
81aを平歯車76に係合させると、PTO伝動軸50
は等速回転する。次に、係合凸部81aを偏心歯車74
に係合させると、PTO伝動軸50は一回転中に不等速
回転し、苗移植型36・36が圃場に苗を植付る軌跡の
下部と苗を苗載台20より取り出す軌跡の上部とにおい
て苗移植型36・36の作動速度が比較的に遅くなるよ
うになる。次に、係合凸部81aを偏心歯車75に係合
させると、PTO伝動軸50は一回転中に不等速回転し
、苗移植型36・36が圃場に苗を植付る軌跡の下部と
苗を苗載台20より取り出す軌跡の上部とにおいて苗移
植型36・36の作動速度が比較的に早くなるようにな
る。However, when the engagement protrusion 81a of the engagement body 81 is engaged with the spur gear 76 by the shift lever 82, the PTO transmission shaft 50
rotates at a constant speed. Next, the engaging protrusion 81a is attached to the eccentric gear 74.
When engaged, the PTO transmission shaft 50 rotates at an inconstant speed during one rotation, and the seedling transplanting molds 36 move between the lower part of the trajectory for planting seedlings in the field and the upper part of the trajectory for taking out the seedlings from the seedling platform 20. In this case, the operating speed of the seedling transplanting type 36 becomes relatively slow. Next, when the engaging convex portion 81a is engaged with the eccentric gear 75, the PTO transmission shaft 50 rotates at an inconstant speed during one rotation, and the seedling transplanting molds 36 move to the lower part of the locus where the seedlings are planted in the field. The operation speed of the seedling transplanting molds 36 becomes relatively fast at the upper part of the trajectory where the seedlings are taken out from the seedling stand 20.
クラッチ機構56は、下記の構成によりなる。The clutch mechanism 56 has the following configuration.
中間軸53にクラッチ爪86aを有するクラッチ体86
を軸方向には移動自在でキー87により中間軸53と一
体的に回動すべく設け、前記歯車6Oのクラッチ体86
側にはクラッチ爪86aと一定位相においてのみ係合す
るクラッチ爪60dを一体的に設け、圧縮バネ88によ
り前記クラッチ体86は凸方向に付勢されている。そし
て、操縦座席12近傍に設けられた操作レバー89の操
作により作動ピン90が二−ホ方向に移動し、作動ピン
90が二方向に移動してクラッチ体86のカム面86b
に係合するとカム体86は反ハ方向に移動してクラッチ
爪86aと60dとの係合が外れて、中間軸53の回動
は停止し、従って、PTO軸50の回動も停止する。尚
、クラッチ体86のカム面86bの終端部には作動ピン
90と衝接する停止部が設けられており、移植具35は
第1図の状態で常に停止するように構成されている。A clutch body 86 having a clutch pawl 86a on the intermediate shaft 53
The clutch body 86 of the gear 6O is provided so as to be freely movable in the axial direction and rotated integrally with the intermediate shaft 53 by a key 87.
A clutch pawl 60d that engages with the clutch pawl 86a only in a certain phase is integrally provided on the side, and the clutch body 86 is biased in a convex direction by a compression spring 88. Then, by operating the operating lever 89 provided near the control seat 12, the operating pin 90 moves in the two-ho direction, and the operating pin 90 moves in the two directions to move the cam surface 86b of the clutch body 86.
When engaged, the cam body 86 moves in the opposite direction, and the clutch pawls 86a and 60d are disengaged, the rotation of the intermediate shaft 53 is stopped, and therefore the rotation of the PTO shaft 50 is also stopped. A stop portion is provided at the terminal end of the cam surface 86b of the clutch body 86 and comes into contact with the operating pin 90, so that the transplant tool 35 is always stopped in the state shown in FIG.
PTO伝動軸50・連結シャフト52を介して伝動ケー
ス19の入力軸91に伝達された動力はベベルギヤー9
2・93により軸94に伝達される。軸94の動力はス
プロケット95・伝動チェーン96・スプロケット97
を介して前記の駆動軸28に伝達される。尚、スプロケ
ット95とスプロケラト97との歯数比は1:2であっ
て、PTO駆動軸50の回転は1/2に減速されて駆動
軸28に伝達される。(PTO駆動軸50が2回転する
と回転ケース29が丁度1回転する。)一方、軸94の
動力は苗載台横送り変速装置98を介してリードカム軸
99に伝達され、該回転するリードカム軸99に係合す
る従動カム100を有するボス体101を左右に往復動
せしめ、該ボス体101に連結された横移動杆102の
左右両端を連結具103・103を介して苗載台20に
固設し、苗載台20が左右横往復動すべく構成している
。尚、104は畦クラッチであって、軸94とスプロケ
ット95との間に設けられており、2条単位の移植装置
21・21の作動を停止できるように構成している。The power transmitted to the input shaft 91 of the transmission case 19 via the PTO transmission shaft 50 and the connection shaft 52 is transferred to the bevel gear 9.
2.93 to the shaft 94. The power of the shaft 94 is provided by a sprocket 95, a transmission chain 96, and a sprocket 97.
The signal is transmitted to the drive shaft 28 via. Note that the tooth ratio between the sprocket 95 and the sprocket 97 is 1:2, and the rotation of the PTO drive shaft 50 is reduced to 1/2 and transmitted to the drive shaft 28. (When the PTO drive shaft 50 rotates twice, the rotating case 29 rotates exactly once.) On the other hand, the power of the shaft 94 is transmitted to the lead cam shaft 99 via the seedling stand transverse transmission gear 98, and the rotating lead cam shaft 99 A boss body 101 having a driven cam 100 that engages with the boss body 101 is reciprocated from side to side, and both left and right ends of a lateral movement rod 102 connected to the boss body 101 are fixed to the seedling stand 20 via connectors 103. The seedling platform 20 is configured to reciprocate left and right. In addition, 104 is a ridge clutch, which is provided between the shaft 94 and the sprocket 95, and is configured to be able to stop the operation of the transplant devices 21, 21 in units of two threads.
次に上側の作用について説明すると、苗タンク20に苗
を載せてエンジン10で各部を駆動すると、乗用牽引車
1が前輪5と後輪7の回転により推進されて、移植機1
8部が整地フロート22゜23.23で一部その荷重が
受けられて牽引されると共に動力がフロントミッション
ケース3側から伝動軸49・PTO駆動ケース48・連
結シャフト52を介して伝動ケース19内の入力軸91
へ伝動される。このようにして、伝動ケース19内の入
力軸91から伝動ルートを経て動力が駆動軸28に伝わ
る。すると、各回転ケース29が回転し、この回転に伴
ない太陽ギヤー31のまわりにカウンター遊星ギヤー3
2.32が遊星回転され、これに咬合う遊星ギヤー33
.33が回転されることになる。したがって、遊星ギヤ
ー33゜33に一体的に設けられた移植具駆動軸34及
び取付金具42を介して移植具本体35aが回転される
。また、回転ケース29にボス部39aを介して一体的
に取付けられたカム体39は、移植具本体35aの回転
に対してずれながら回転されることになり、このために
、連動部材38を介して苗押出フォーク37が上下動さ
れることになる。Next, to explain the operation of the upper side, when seedlings are placed in the seedling tank 20 and each part is driven by the engine 10, the passenger tractor 1 is propelled by the rotation of the front wheels 5 and rear wheels 7, and the transplanter 1
Part 8 of the earth leveling float 22゜23.23 partially receives the load and is pulled, and the power is transferred from the front transmission case 3 side to the transmission case 19 via the transmission shaft 49, PTO drive case 48, and connection shaft 52. input shaft 91
transmitted to. In this way, power is transmitted from the input shaft 91 in the transmission case 19 to the drive shaft 28 via the transmission route. Then, each rotating case 29 rotates, and with this rotation, a counter planetary gear 3 is formed around the sun gear 31.
2.32 is planetary rotated, and the planetary gear 33 engages with it.
.. 33 will be rotated. Therefore, the implant main body 35a is rotated via the implant drive shaft 34 and the mounting bracket 42, which are integrally provided to the planetary gear 33°33. Further, the cam body 39, which is integrally attached to the rotating case 29 via the boss portion 39a, is rotated while being shifted from the rotation of the transplant device main body 35a. As a result, the seedling extrusion fork 37 is moved up and down.
即ち、苗移植型36の先端側が移植軌跡Pを描いて作動
し、左右往復動する苗タンク20で苗受止板26の苗分
割口27.27・・・へ次々と繰出される苗が分割され
て次々と圃場面へ移送され、苗分割36が最下端の土壌
面へ突込んだときに(P1位置にて)丁度苗押出フォー
ク37がバネ40の作用で苗を下方へ押出して移植する
。That is, the tip side of the seedling transplanting mold 36 operates drawing a transplanting trajectory P, and the seedlings that are successively delivered to the seedling dividing openings 27, 27, etc. of the seedling receiving plate 26 are divided by the seedling tank 20 that reciprocates from side to side. The seedlings are transferred to the field one after another, and just when the seedling divider 36 plunges into the lowest soil surface (at position P1), the seedling pushing fork 37 pushes out the seedlings downward under the action of the spring 40 and transplants them. .
そして、回転ケース29に取付けられた2基の移植具3
5の苗移植型36.36による苗分割量に差があったり
、苗移植姿勢が悪いようなときには、移植具駆動軸34
に対して移植具本体35aを回動調節して、苗移植型3
6が苗分割口27へ介入する寸法や介入角度を調整する
とよい。この調整にあたってはボルト43を緩めて取付
金具42と移植具本体35aとの取付角度を調整すれば
よいが、この調整が移植具本体35aの外側において行
えるからその操作が極めて容易にできる。Then, the two transplant devices 3 attached to the rotating case 29
5 Seedling transplanting type 36. If there is a difference in the amount of seedlings divided by 36, or if the seedlings are transplanted in a bad posture, the transplanter drive shaft 34
Rotatably adjust the transplanting tool main body 35a against the seedling transplanting type 3.
It is preferable to adjust the dimensions and the angle at which the seedling part 6 intervenes in the seedling dividing opening 27. For this adjustment, the bolt 43 may be loosened to adjust the mounting angle between the mounting bracket 42 and the transplant main body 35a, but since this adjustment can be performed outside the transplant main body 35a, the operation is extremely easy.
また、苗移植型36が苗分割時に苗受止板26の苗分割
口27に対して横方向へずれているような場合には、コ
ツタービン44を緩めて移植具本体35aを軸方向へ適
宜移動させて再びコツタービン44を打込んで調節すれ
ばよい。In addition, if the seedling transplanting mold 36 is deviated laterally with respect to the seedling dividing opening 27 of the seedling receiving plate 26 during seedling division, loosen the trick turbine 44 and move the transplanting tool main body 35a in the axial direction as appropriate. All you have to do is move it and insert the tip turbine 44 again to adjust it.
そして、伝動ケース19に対して駆動軸28回りに回動
調節できる固定メタル30と太陽ギヤー31とを各々の
係合部30c・31aにて係合して、太陽ギヤー31を
伝動ケース19に固定するようにしているので、移植装
置21を組立だ後に、駆動軸28にこれを組付ける際、
その組付けが容易である。更に、組付は後、固定メタル
30をボルト30bを緩めて把持部30dを持って駆動
軸28回りに回動調節することにより係合部30c・3
1aを介して太陽ギヤー31を回動調節することができ
るので、移植具35・35の姿勢調節も容易に行える。Then, the sun gear 31 is engaged with the fixed metal 30 that can be rotated around the drive shaft 28 with respect to the transmission case 19 at the respective engaging portions 30c and 31a, and the sun gear 31 is fixed to the transmission case 19. Therefore, when assembling the transplant device 21 to the drive shaft 28 after assembling it,
Its assembly is easy. Furthermore, after assembly, the fixing metal 30 is rotated around the drive shaft 28 by loosening the bolt 30b and holding the gripping part 30d, thereby attaching the engaging parts 30c and 3.
Since the rotation of the sun gear 31 can be adjusted via 1a, the posture of the transplant tools 35 can be easily adjusted.
そして、上記係合部30c・31. aの外側面と伝動
ケース19との間にボールベアリング45を設けである
ので、太陽ギヤー31の姿勢が適正に保持されると共に
、回転ケース29も該ボールベアリング45と駆動軸2
8の先端部の各軸部28aとの二点で駆動軸28に支持
されるので、回転ケース29は安定した回転をすること
となり、正確な苗の分割及び植付けが行われる。また、
回転ケース29が左右方向にぐらついたすせず安定した
回転をする為に、シール47が破損する恐れもなく、回
転ケース29の密封性も良好である。The engaging portions 30c and 31. Since the ball bearing 45 is provided between the outer surface of the transmission case 19 and the outer surface of the transmission case 19, the attitude of the sun gear 31 is maintained properly, and the rotating case 29 is also connected to the ball bearing 45 and the drive shaft 2.
Since the rotary case 29 is supported by the drive shaft 28 at two points, that is, the shaft portions 28a at the tip of the rotary case 29, the rotary case 29 rotates stably, and the seedlings can be divided and planted accurately. Also,
Since the rotating case 29 rotates stably without wobbling in the left-right direction, there is no fear that the seal 47 will be damaged, and the sealing performance of the rotating case 29 is good.
そして、特に、移植具35は、蓋体42を介して移植具
駆動軸34に安定良く支持されるので、的確な苗植付作
業が行なわれると共に、蓋体42の係合部42cが移植
具35の挿通孔35b内に嵌入した状態となっている為
に、移植具35の密封性が非常に良い。In particular, since the transplanting tool 35 is stably supported by the transplanting tool drive shaft 34 through the lid 42, accurate seedling planting work is carried out, and the engaging portion 42c of the lid 42 Since the transplant device 35 is fitted into the insertion hole 35b of the transplant device 35, the sealing performance of the transplant tool 35 is very good.
次に、植付る苗の株間を変更する場合には、シフトレバ
−66を操作して、係合体65の係合凸部65aを中型
車58に係合させると(シフトレバ−82により係合体
81の係合凸部81aを平歯車76に係合させ、PTO
伝動軸50は等速回転するようにしておく。)、PTO
伝動軸50は伝動軸49と等速の回転となり、移植装置
21の苗移植型36・36の軌跡は第13図(ロ)のよ
うになる。このとき、機体が前進するときの軌跡a1は
泥土面Mに対してl工だけ土中を移動するようになり、
苗を植付るのに最良の軌跡となる。Next, when changing the spacing of seedlings to be planted, operate the shift lever 66 to engage the engagement convex portion 65a of the engagement body 65 with the medium-sized vehicle 58 (by using the shift lever 82, the engagement body 81 The engagement protrusion 81a of the PTO is engaged with the spur gear 76.
The transmission shaft 50 is set to rotate at a constant speed. ), PTO
The transmission shaft 50 rotates at the same speed as the transmission shaft 49, and the trajectory of the seedling transplanting molds 36, 36 of the transplanting device 21 becomes as shown in FIG. 13(b). At this time, the trajectory a1 of the aircraft as it moves forward will move through the soil by a distance of l with respect to the mud surface M.
This is the best trajectory for planting seedlings.
そして、係合体65の係合凸部65aを大歯車57に係
合させると、PTO伝動軸50は伝動軸49に対し増速
され、植付苗の株間が狭くなると共に、移植装置21の
苗移植型36・36の軌跡は第13図(イ)のようにな
る。このとき、機体が前進するときの軌跡a2は泥土面
Mに対して1□だけ土中を移動するようになり、苗を植
付るのに苗を後方に引きずりぎみになり、植付苗の姿勢
が少し悪くなると共に上面に苗移植型36により大きな
孔をあけるため植付だ苗が浮いてしまうという問題があ
る。従って、この場合には、シフトレバ−82により係
合体81の係合凸部81aを偏心歯車74に係合させ、
PTO伝動軸50が一回転中に不等速回転するようにし
、苗移植型36・36が圃場に苗を植付る軌跡の下部と
苗を苗載台20より取り出す軌跡の上部とにおいて苗移
植型36・36の作動速度が比較的に遅くなるようにす
ると、苗移植型36・36の軌跡は第14図(イ)の軌
跡a2′のようになり、これは軌跡a1と略同じ軌跡で
あって苗は最良の状態で植付られるようになる。When the engaging protrusion 65a of the engaging body 65 is engaged with the large gear 57, the speed of the PTO transmission shaft 50 is increased relative to the transmission shaft 49, and the distance between the planted seedlings becomes narrower, and the seedlings of the transplanting device 21 The trajectory of the transplanted type 36/36 is as shown in Fig. 13 (a). At this time, when the aircraft moves forward, the trajectory a2 moves through the soil by 1 □ with respect to the mud surface M, and when planting the seedlings, the seedlings are dragged backwards. There is a problem that the posture is a little bad and the planted seedlings float because a large hole is made in the upper surface by the seedling transplanting mold 36. Therefore, in this case, the engagement protrusion 81a of the engagement body 81 is engaged with the eccentric gear 74 by the shift lever 82,
The PTO transmission shaft 50 rotates at a non-uniform speed during one rotation, and seedlings are transplanted at the lower part of the trajectory where the seedling transplanters 36 plant the seedlings in the field and the upper part of the trajectory where the seedlings are taken out from the seedling stand 20. If the operating speed of the molds 36, 36 is made relatively slow, the locus of the seedling transplanting molds 36, 36 will become the locus a2' in Fig. 14 (a), which is approximately the same locus as the locus a1. This allows the seedlings to be planted in the best possible condition.
また、係合体65の係合凸部65aを小歯車59に係合
させると、PTO伝動軸50は伝動軸49に対し減速さ
れ、植付苗の株間が広くなると共に、移植装置21の苗
移植型36・36の軌跡は第13図(ハ)のようになる
。このとき、機体が前進するときの軌跡a3は泥土面M
に対してlaだけ土中を移動するようになり、苗を植付
るのに苗移植型36が苗から早く離れるので苗の姿勢が
安定しないという問題がある。従って、この場合には、
シフトレバ−82により係合体81の係合凸部81aを
偏心歯車75に係合させ、PTO伝動軸50が一回転中
に不等速回転するようにし、苗移植型36・36が圃場
に苗を植付る軌跡の下部と苗を苗載台20より取り出す
軌跡の上部とにおいて苗移植型36・36の作動速度が
比較的に早くなるようにすると、苗移植型36・36の
軌跡は第14図(ハ)の軌跡a 3+のようになり、こ
れは軌跡a1と略同じ軌跡であって苗は最良の状態で植
付られるようになる。Furthermore, when the engagement convex portion 65a of the engagement body 65 is engaged with the small gear 59, the PTO transmission shaft 50 is decelerated relative to the transmission shaft 49, the distance between the planted seedlings becomes wider, and the seedling transplantation of the transplantation device 21 is performed. The trajectories of the dies 36 and 36 are as shown in FIG. 13 (c). At this time, the trajectory a3 when the aircraft moves forward is the mud surface M
The seedling transplanting mold 36 moves away from the seedlings quickly when planting the seedlings, causing the problem that the posture of the seedlings is unstable. Therefore, in this case,
The engagement convex portion 81a of the engagement body 81 is engaged with the eccentric gear 75 by the shift lever 82, so that the PTO transmission shaft 50 rotates at a non-uniform speed during one revolution, and the seedling transplanting molds 36 transfer the seedlings to the field. If the operating speed of the seedling transplanting molds 36, 36 is set to be relatively fast at the lower part of the trajectory for planting and the upper part of the trajectory for taking out the seedlings from the seedling stand 20, the trajectory of the seedling transplanting molds 36, 36 will be the 14th. The trajectory becomes like the trajectory a3+ in Figure (C), which is substantially the same trajectory as the trajectory a1, and the seedlings can be planted in the best condition.
また、上側では株間の変更によりシフトレバ−82を操
作する作用を説明したが、圃場の耕盤の条件により車軸
7・7のスリップ率が標準よりも大きい場合、若しくは
小さい場合に該シフトレバ−82を操作して苗移植型3
6が適当な軌跡a1を描くように操作すれば如何なる条
件の圃場でも常に最良の状態で苗の植付が行われる。In addition, although the operation of operating the shift lever 82 to change between plants was explained above, if the slip ratio of the axles 7, 7 is larger or smaller than the standard due to the conditions of the tiller in the field, the shift lever 82 may be operated. Seedling transplant type 3 by operation
If 6 is operated so as to draw an appropriate trajectory a1, seedlings will always be planted in the best condition no matter what the field conditions are.
尚、上記の実施例では乗用牽引車1の後部に移植作業機
18を装備し苗載台20の後側に移植装置21を配置し
たものについて説明したが、他に。In the above embodiment, the transplanting machine 18 is equipped at the rear of the passenger towing vehicle 1, and the transplanting device 21 is arranged at the rear of the seedling stand 20. However, other examples are possible.
歩行型田植機で苗載台の前側に移植装置を配置したもの
等如何なる移植機に本発明を用いても良い。The present invention may be applied to any type of rice transplanter, such as a walk-behind rice transplanter in which a transplanting device is arranged in front of a seedling stand.
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図は全体の平面図、第3図は移植装置
の平断面図、第4図移植装置の側面図、第5図は第4図
の一部断面側面図、第6図は第3図のA−A断面図、第
7図は固定メタルの側面図、第8図は第7図のB−B断
面図、第9図は太陽ギヤーの側面図、第10図は第9図
のC−C断面図、第11図は要部PTO駆動ケースの断
面図、第12図は伝動ケースの平断面図、第13図は株
間変速機構を操作したときの移植爪先端の軌跡図、第1
4図はPTO角速度変更機構を操作したときの移植爪先
端の軌跡図である。
図中記号、28は駆動軸、29は回転ケース、33は遊
星ギヤー、34は移植具駆動軸、35は移植具、36は
苗移植型、54は株間変速機構、55はPTO角速度変
更機構、56はクラッチ機構を示す。The figures show an embodiment of the present invention, in which Fig. 1 is a side view of the entire device, Fig. 2 is a plan view of the entire device, Fig. 3 is a plan cross-sectional view of the implantation device, and Fig. 4 is a cross-sectional view of the implantation device. 5 is a partially sectional side view of FIG. 4, FIG. 6 is a sectional view taken along line A-A in FIG. 3, FIG. 7 is a side view of the fixed metal, and FIG. 8 is B of FIG. 7. -B sectional view, Fig. 9 is a side view of the sun gear, Fig. 10 is a C-C sectional view of Fig. 9, Fig. 11 is a sectional view of the main part PTO drive case, and Fig. 12 is a flat view of the transmission case. A cross-sectional view, Fig. 13 is a locus diagram of the tip of the transplanted nail when the inter-plant transmission mechanism is operated, and Fig. 1
FIG. 4 is a trajectory diagram of the tip of the transplanted nail when the PTO angular velocity changing mechanism is operated. Symbols in the figure, 28 is a drive shaft, 29 is a rotating case, 33 is a planetary gear, 34 is a transplanter drive shaft, 35 is a transplanter, 36 is a seedling transplant type, 54 is an interplant transmission mechanism, 55 is a PTO angular velocity change mechanism, 56 indicates a clutch mechanism.
Claims (1)
圃場との間を往復動して圃場に苗を植付る移植装置を装
備してなる移植機において、該移植装置の圃場への苗植
付時における作動速度を変更可能に構成したことを特徴
とする移植機。In a transplanting machine equipped with a transplanting device that is attached to a machine that moves forward by an appropriate drive device and that reciprocates between a seedling stand and a field to plant seedlings in the field, the transplanting device is used to transfer seedlings to the field. A transplanter characterized in that the operating speed during planting can be changed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61211979A JP2643126B2 (en) | 1986-09-08 | 1986-09-08 | Transplant machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61211979A JP2643126B2 (en) | 1986-09-08 | 1986-09-08 | Transplant machine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6368016A true JPS6368016A (en) | 1988-03-26 |
JP2643126B2 JP2643126B2 (en) | 1997-08-20 |
Family
ID=16614875
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP61211979A Expired - Lifetime JP2643126B2 (en) | 1986-09-08 | 1986-09-08 | Transplant machine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2643126B2 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63141512A (en) * | 1986-12-05 | 1988-06-14 | ヤンマー農機株式会社 | Power transmission apparatus in rice planter |
JPS63185307A (en) * | 1986-10-03 | 1988-07-30 | ヤンマー農機株式会社 | Planting apparatus by rotary planting arm |
JP2005312339A (en) * | 2004-04-28 | 2005-11-10 | Iseki & Co Ltd | Seedling transplanter |
JP2006141323A (en) * | 2004-11-22 | 2006-06-08 | Yanmar Co Ltd | Rotary type seedling-transplanting mechanism in rice transplanter |
JP2008289399A (en) * | 2007-05-23 | 2008-12-04 | Kubota Corp | Rice transplanter |
JP2014061003A (en) * | 2013-12-06 | 2014-04-10 | Yanmar Co Ltd | Working machine shifting device for rice transplanter |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6187014U (en) * | 1984-11-12 | 1986-06-07 | ||
JPS62144419U (en) * | 1986-03-07 | 1987-09-11 | ||
JPS62204414U (en) * | 1986-06-19 | 1987-12-26 |
-
1986
- 1986-09-08 JP JP61211979A patent/JP2643126B2/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6187014U (en) * | 1984-11-12 | 1986-06-07 | ||
JPS62144419U (en) * | 1986-03-07 | 1987-09-11 | ||
JPS62204414U (en) * | 1986-06-19 | 1987-12-26 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63185307A (en) * | 1986-10-03 | 1988-07-30 | ヤンマー農機株式会社 | Planting apparatus by rotary planting arm |
JPS63141512A (en) * | 1986-12-05 | 1988-06-14 | ヤンマー農機株式会社 | Power transmission apparatus in rice planter |
JP2005312339A (en) * | 2004-04-28 | 2005-11-10 | Iseki & Co Ltd | Seedling transplanter |
JP2006141323A (en) * | 2004-11-22 | 2006-06-08 | Yanmar Co Ltd | Rotary type seedling-transplanting mechanism in rice transplanter |
JP4716482B2 (en) * | 2004-11-22 | 2011-07-06 | ヤンマー株式会社 | Rotary seedling planting mechanism in rice transplanter |
JP2008289399A (en) * | 2007-05-23 | 2008-12-04 | Kubota Corp | Rice transplanter |
JP2014061003A (en) * | 2013-12-06 | 2014-04-10 | Yanmar Co Ltd | Working machine shifting device for rice transplanter |
Also Published As
Publication number | Publication date |
---|---|
JP2643126B2 (en) | 1997-08-20 |
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Legal Events
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EXPY | Cancellation because of completion of term |