JP2002262625A - Rice transplanter - Google Patents
Rice transplanterInfo
- Publication number
- JP2002262625A JP2002262625A JP2001066977A JP2001066977A JP2002262625A JP 2002262625 A JP2002262625 A JP 2002262625A JP 2001066977 A JP2001066977 A JP 2001066977A JP 2001066977 A JP2001066977 A JP 2001066977A JP 2002262625 A JP2002262625 A JP 2002262625A
- Authority
- JP
- Japan
- Prior art keywords
- seedling
- planting
- shaft
- case
- frame
- 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
- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 11
- 235000009566 rice Nutrition 0.000 title claims abstract description 11
- 240000007594 Oryza sativa Species 0.000 title 1
- 241000209094 Oryza Species 0.000 claims abstract description 10
- 210000000078 claw Anatomy 0.000 claims description 23
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 239000003550 marker Substances 0.000 description 33
- 230000005540 biological transmission Effects 0.000 description 15
- 239000003337 fertilizer Substances 0.000 description 11
- 238000003466 welding Methods 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Transplanting Machines (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は苗載台及び苗植付爪
を備えて連続的に苗植作業を行う田植機に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rice transplanter having a seedling mounting table and a seedling mounting claw for continuously performing seedling planting operations.
【0002】[0002]
【発明が解決しようとする課題】従来、例えば特開20
00−41429号公報にあって、横連結パイプ内の伝
動軸の回転を横送り軸に伝える横送りギアケース(横送
りケース)にあっては、植付部の一側に露出状態で配設
されると共に、苗取量調節レバーは横送りケースより内
方に配設された構造となっているため、作業中障害物に
ギアケースが接触して損傷したり夾雑物が引掛る不都合
があると共に、横送り速度切換用の切換レバーをギアケ
ースに設けた場合には切換レバーに夾雑物が引掛って誤
作動する懸念がある。Conventionally, for example, JP-A-20
In the publication No. 00-41429, in a transverse feed gear case (transverse feed case) for transmitting rotation of a transmission shaft in a transverse connecting pipe to a transverse feed shaft, it is disposed on one side of the planting portion in an exposed state. At the same time, since the seedling collection adjustment lever is located inside the horizontal feed case, the gear case comes into contact with obstacles during operation, which may cause damage or foreign matter to be caught. At the same time, when a switching lever for traverse speed switching is provided in the gear case, there is a concern that a foreign substance may be caught on the switching lever and malfunction.
【0003】[0003]
【課題を解決するための手段】したがって本発明は、苗
植付爪を駆動する植付フレームと、植付フレームの左右
一側に配設して苗送り軸を駆動する苗送りケースと、苗
載台の苗取量を調節する苗取量調節部材を備え、苗送り
ケースの後方から側方を迂回させて前方に調節部材の先
端側を突設させて、苗送りケースの外方を苗取量調節部
材で保護して苗送りケースの耐久性を向上させるもので
ある。SUMMARY OF THE INVENTION Accordingly, the present invention provides a planting frame for driving a planting claw, a seedling feed case disposed on one of the left and right sides of the planting frame to drive a seedling feed shaft, A seedling collecting amount adjusting member for adjusting the seedling collecting amount of the mounting table is provided. The durability of the seedling feeding case is improved by protecting the seedling feeding case with a yield adjusting member.
【0004】また、苗取量調節部材を横部材と縦部材を
略L字形に一体的に組合せた構造に形成して、部品点数
を削減させた簡単構造に苗取量調節部材を形成して、組
立の容易化とコストの低減化を図るものである。Further, the seedling collecting amount adjusting member is formed in a structure in which a horizontal member and a vertical member are integrally combined in a substantially L-shape, and the seedling collecting amount adjusting member is formed in a simple structure with a reduced number of parts. It is intended to facilitate assembly and reduce costs.
【0005】さらに、苗載台を支持するサイドフレーム
の補強部材に苗取量調節部材を支持させて、苗取量調節
部材を支持する支持部材の部品点数を削減させて、構造
の簡単化とコストの低減化を図るものである。[0005] Further, by supporting the seedling collecting amount adjusting member on the reinforcing member of the side frame supporting the seedling mounting table, the number of parts of the supporting member for supporting the seedling collecting amount adjusting member is reduced, thereby simplifying the structure. It is intended to reduce costs.
【0006】[0006]
【発明の実施の形態】以下、本発明の実施例を図面に基
づいて詳述する。図1は乗用田植機の側面図、図2は同
平面図を示し、図中1は作業者が搭乗する走行車であ
り、エンジン2を車体フレーム3に搭載させ、前後方向
に長手状のミッションケース4前方にフロントアクスル
ケース5を介して水田走行用前輪6を支持させると共
に、前記ミッションケース4後部のリヤアクスルケース
7に水田走行用後輪8を支持させる。そして前記エンジ
ン2等を覆うボンネット9両側に予備苗載台10を取付
けると共に、作業者が搭乗する車体カバー11によって
前記ミッションケース4等を覆い、前記車体カバー11
後側の運転台12上面に運転席13を取付け、その運転
席13の前方で前記ボンネット9後部に操向ハンドル1
4を設ける。Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a side view of a riding rice transplanter, and FIG. 2 is a plan view of the same. In the drawing, reference numeral 1 denotes a traveling vehicle on which an operator rides. The engine 2 is mounted on a body frame 3 and a longitudinal transmission is provided. A paddy traveling front wheel 6 is supported in front of the case 4 via a front axle case 5, and a paddy traveling rear wheel 8 is supported by a rear axle case 7 behind the transmission case 4. A spare seedling mount 10 is mounted on both sides of the hood 9 covering the engine 2 and the like, and the transmission case 4 and the like are covered by a body cover 11 on which an operator rides.
A driver's seat 13 is mounted on the upper surface of the rear driver's cab 12, and a steering handle 1 is provided in front of the driver's seat 13 at the rear of the hood 9.
4 is provided.
【0007】また、図中15は4条植え用の苗載台16
並びに複数の苗植付爪17などを具備する植付部であ
り、前高後低の合成樹脂製の前傾式苗載台16を下部レ
ール18及びガイドレール19を介して植付フレーム2
0に左右往復摺動自在に支持させると共に、一方向に等
速回転させるロータリケース21を前記植付フレーム2
0に支持させ、該ケース21の回転軸芯を中心に対称位
置に一対の爪ケース22・22を配設し、その爪ケース
22・22先端に苗植付爪17・17を取付ける。また
前記植付フレーム20の左右両端側に左右サイドフレー
ム23・23を立設させて苗載台16を支持させ、植付
フレーム20左右中央のヒッチブラケット24をトップ
リンク25及びロワーリンク26を含む昇降リンク機構
27を介し走行車1に連結させ、走行車1に設ける油圧
昇降シリンダ28をロワーリンク26に連結させ、該昇
降シリンダ28の駆動時にリンク機構27を介し植付部
15を昇降させると共に、植付部15の下降時には左右
に往復摺動させる苗載台16から一株分の苗を植付爪1
7によって取出し、連続的に苗植え作業を行うように構
成する。In the figure, reference numeral 15 denotes a seedling mounting table 16 for four-row planting.
And a planting section having a plurality of seedling planting claws 17 and the like.
0 and a rotary case 21 that is slidably supported in a reciprocating manner in the left and right directions and is rotated at a constant speed in one direction.
0, and a pair of claw cases 22 are disposed symmetrically about the rotation axis of the case 21. The seedlings 17, 17 are attached to the tips of the claw cases 22. Also, left and right side frames 23 are erected on both left and right sides of the planting frame 20 to support the seedling mounting table 16, and the hitch bracket 24 at the left and right center of the planting frame 20 includes a top link 25 and a lower link 26. A hydraulic lifting cylinder 28 provided on the traveling vehicle 1 is connected to the lower link 26 via the lifting link mechanism 27, and the planting section 15 is raised and lowered via the link mechanism 27 when the lifting cylinder 28 is driven. When the planting section 15 is lowered, the seedlings for one plant are planted from the seedling table 16 which is reciprocally slid left and right.
7 so that the seedlings can be planted continuously.
【0008】また、図中29は主変速レバー、30は機
体の搭乗位置は勿論のこと機体から降りた位置で走行停
止などの操作を可能とさせる苗継ぎレバー、31は植付
昇降レバー、32は主クラッチペダル、33・33は左
右ブレーキペダル、34は2条分均平用センタフロー
ト、35は1条分均平用サイドフロート、36は4条用
側条施肥機、37・37は後輪8の外側に配備させる補
助車輪である。In the figure, 29 is a main speed change lever, 30 is a seedling connecting lever which enables operation such as stopping running at a position where the aircraft is lowered as well as a boarding position of the aircraft, 31 is a planting elevating lever, 32 Is a main clutch pedal, 33 and 33 are left and right brake pedals, 34 is a center float for leveling two lines, 35 is a side float for leveling one line, 36 is a side fertilizer for 4 lines, and 37 and 37 are rear. These auxiliary wheels are arranged outside the wheel 8.
【0009】前記側条用施肥機36は、肥料を入れる肥
料ホッパ38と、肥料を供給する肥料繰出部である肥料
繰出ケース39と、フロート34・35の側条作溝器4
0にフレキシブル形搬送ホース41を介して肥料を排出
させるターボブロワー型送風機42と、円筒形のエアタ
ンク43とを備えると共に、エアタンク43右側端に送
風機42を取付け、4条分4組の肥料繰出ケース39を
エアタンク43上側に配設させ、肥料ホッパ38の後側
に前記苗載台16の上端を近接配備させている。The side-strip fertilizer applicator 36 includes a fertilizer hopper 38 for receiving fertilizer, a fertilizer feeding case 39 which is a fertilizer feeding section for feeding fertilizer, and a side-strip groove 4 for floats 34 and 35.
0 is equipped with a turbo blower type blower 42 for discharging fertilizer via a flexible transfer hose 41 and a cylindrical air tank 43, and the blower 42 is attached to the right end of the air tank 43, and four sets of four fertilizer feeding cases are provided. 39 is arranged above the air tank 43, and the upper end of the seedling mounting table 16 is arranged close to the rear side of the fertilizer hopper 38.
【0010】図3乃至図12に示す如く、前記植付フレ
ーム20は各2条分用のパイプ製左右縦フレーム44a
・44bと、左右縦フレーム44a・44bの前端間を
連結するパイプ製横フレーム45とを備え、バルジ加工
で形成する十字形フレーム継手(十字管継手)46を各
縦フレーム44a・44b先端に溶接固定させ、回転軸
47を介し前記ロータリケース21を継手46に回転自
在に支持させると共に、バルジ加工で形成する左右十字
形フレーム継手(十字管継手)48a・48bを縦フレ
ーム44a・44bと横フレーム45に溶接固定させ
て、これら縦及び横フレーム44a・44b・45を一
体連結させて軽量の植付フレーム20を低コストに形成
するように構成している。As shown in FIGS. 3 to 12, the planting frame 20 is composed of two vertical pipe-made left and right vertical frames 44a.
44b and a horizontal pipe frame 45 connecting the front ends of the left and right vertical frames 44a and 44b, and a cruciform frame joint (cross joint) 46 formed by bulging is welded to the tip of each of the vertical frames 44a and 44b. The rotary case 21 is rotatably supported by a joint 46 via a rotary shaft 47, and left and right cruciform frame joints (cross pipe joints) 48a and 48b formed by bulging are connected to the vertical frames 44a and 44b and the horizontal frames. 45, and the vertical and horizontal frames 44a, 44b, and 45 are integrally connected to each other to form the lightweight planting frame 20 at low cost.
【0011】また、右フレーム継手48bの前端部に植
付入力軸49を設け、前記ミッションケース4のPTO
軸からの駆動力を自在継手軸50を介し入力軸49に伝
達させ、横フレーム45に内設する植付駆動軸51にベ
ベルギヤ49a・52を介し入力軸49を連動連結させ
ると共に、左右縦フレーム44a・44bに内設する植
付爪駆動軸53をベベルギヤ52・54及び安全クラッ
チ55を介し植付駆動軸51に連結させ、前記回転軸4
7にベベルギヤ56a・56b及び植付爪ユニットクラ
ッチ57を介し植付爪駆動軸53を連動連結させて、苗
植付爪17の駆動を行うように構成している。A planting input shaft 49 is provided at the front end of the right frame joint 48b.
The driving force from the shaft is transmitted to the input shaft 49 via the universal joint shaft 50, and the input shaft 49 is interlocked via bevel gears 49a and 52 to the planting drive shaft 51 provided in the horizontal frame 45, and the left and right vertical frames are connected. The planting claw drive shaft 53 provided in each of the shafts 44a and 44b is connected to the planting drive shaft 51 via bevel gears 52 and 54 and a safety clutch 55.
7 is connected to a planting claw drive shaft 53 via bevel gears 56a and 56b and a planting claw unit clutch 57, so that the seedling planting claw 17 is driven.
【0012】さらに、苗載台16の左右方向の横送りと
苗載台16上の苗の縦送りを行う苗送り軸58をアルミ
ダイキャスト製の苗送りケース59を介し植付駆動軸5
1の左端に連動連結させるもので、左フレーム継手48
aの左端取付部であるフランジ部60に苗送りケース5
9の一端側フランジ部61をボルト止め固定させ、ケー
ス59の他端側に苗送り軸58の左端を挿入支持させ、
ケース59内の駆動軸51と苗送り軸58間に高低変速
用の2組の切換ギヤ62・63で形成する変速機構64
を介在させ、機体略中心に対し苗送り軸58の左半分を
苗縦送りカム軸65・右半分を苗台横送りネジ軸66に
設けて、苗送り軸58の高低2速の回転駆動時に苗載台
16の横送りと、苗載台16上の苗の縦送りを行うよう
に構成している。Further, a seedling feed shaft 58 for laterally feeding the seedling table 16 in the left-right direction and vertically feeding the seedlings on the seedling table 16 is connected to a seedling drive shaft 5 via a seedling feed case 59 made of aluminum die cast.
1 and the left frame joint 48
a, the seedling sending case 5
9, one end side flange portion 61 is bolted and fixed, and the left end of the seedling feed shaft 58 is inserted and supported on the other end side of the case 59;
A speed change mechanism 64 formed between the drive shaft 51 and the seedling feed shaft 58 in the case 59 by two sets of switching gears 62 and 63 for shifting the height.
, The left half of the seedling feed shaft 58 is provided on the seedling vertical feed cam shaft 65 and the right half is provided on the seedling stand horizontal feed screw shaft 66 with respect to the approximate center of the machine. It is configured to perform the horizontal feeding of the seedling mounting table 16 and the vertical feeding of the seedlings on the seedling mounting table 16.
【0013】図10、図11にも示す如く、前記植付フ
レーム20の前端下側に植付深さ調節支点軸67を回動
自在に枢支させ、各フロート34・35後端上面のブラ
ケット68・69を植付深さ調節リンク70・71を介
し前記支点軸67に連結させ、センタフロート34の前
端に連結する昇降リンク72によってフロート傾斜角度
(植付深さ)の変化を検出すると共に、前記支点軸67
に基端を固設する植深調節レバー73によって基準植付
深さの調節を行うように構成している。As shown in FIGS. 10 and 11, a planting depth adjusting fulcrum shaft 67 is rotatably supported below the front end of the planting frame 20, and brackets on the upper surfaces of the rear ends of the floats 34 and 35 are provided. 68 and 69 are connected to the fulcrum shaft 67 via planting depth adjusting links 70 and 71, and a change in the float inclination angle (planting depth) is detected by an elevating link 72 connected to the front end of the center float 34. , The fulcrum shaft 67
The reference planting depth is configured to be adjusted by a planting depth adjusting lever 73 having a base end fixed thereto.
【0014】なお、前記支点軸67の左右両端にはL形
状の左右サイドバンパ74を取付部材75を介し折畳み
自在に外方に突設させている。At the left and right ends of the fulcrum shaft 67, L-shaped left and right side bumpers 74 are protruded outward so as to be freely foldable via a mounting member 75.
【0015】図8、図10、図11にも示す如く、左右
筋引マーカ76を折畳み(起伏)自在に支持する左右マ
ーカ支持ステー77の基端を左右フレーム継手48a・
48bの外側上面に溶接固定させるもので、ステー77
をL型パイプで形成し、前後方向の縦ステー部77aを
継手48a・48b略中央で縦方向の略同一高さ面に線
接触で溶接固定させ、横ステー部77bを縦フレーム4
4a・44bの前方で左右外方に臨ませ、横ステー部7
7b先端の取付軸78にマーカ台79を介しマーカ76
を折畳み自在に支持させると共に、左ステー77の横ス
テー部77bを苗送りケース59の前方に位置させて該
ケース59を保護するように構成している。As shown in FIGS. 8, 10 and 11, the base ends of the left and right marker support stays 77 for supporting the left and right muscle markers 76 so that they can be folded (undulated) are connected to the left and right frame joints 48a.
48b is fixed by welding to the outer upper surface of 48b.
Is formed by an L-shaped pipe, and the longitudinal stay portion 77a in the front-rear direction is fixed by welding to the substantially same height surface in the longitudinal direction at substantially the center of the joints 48a and 48b by line contact, and the horizontal stay portion 77b is
4a and 44b, the left and right sides of the front stay 7
The marker 76 is attached to the mounting shaft 78 at the tip of the
And the side stay 77b of the left stay 77 is positioned in front of the seedling feed case 59 to protect the case 59.
【0016】また図13にも示す如く、前記支持ステー
77は左右サイドフレーム23・23の基端を継手48
a・48b側に取付ける左右の補強部材80・81の内
側面にも縦ステー部77a基端を溶接固定させて、これ
らサイドフレーム23とステー77の支持強度を向上さ
せるように構成している。As shown in FIG. 13, the support stay 77 is connected to the base 48 of the left and right side frames 23 by a joint 48.
The base ends of the vertical stay portions 77a are also fixed by welding to the inner surfaces of the left and right reinforcing members 80 and 81 attached to the side a and 48b, so that the support strength of the side frame 23 and the stay 77 is improved.
【0017】図14にも示す如く、苗載台16下端の苗
取出板82を上下動させて苗取量を調節する苗取調節板
83を、植付フレーム20のガイド部材84にガイドロ
ッド85を介し上下動自在に支持させ、調節板83のフ
ック86に係合させる係合板87を左右方向の苗取量調
節軸88に設け、該苗取量調節軸88の左端側に連結す
る苗取量調節レバー89の操作によって、苗植付爪17
が取出す1株分の苗量の調節を行うもので、苗送りケー
ス59に固設する軸受板90と前記右補強部材81に苗
取量調節軸88の横軸部88aの左右両端側を回動自在
に支持させ、苗送りケース59より外方で横軸部88a
の左端側を前方に略90度に折曲げて前後方向の縦軸部
88bに形成し、苗送りケース59の前方で縦軸部88
bの前端を内方に略90度に折曲げて、レバー取付部8
8cに形成して、該取付部88cにL形状の調節レバー
89基端を2本のボルト91で固定させ、レバー89先
端をレバーガイド92を介し前方斜上方に延設させ、左
後輪8と補助車輪37間に臨ませるように設けて、各部
88a・88b・88cで苗送りケース59を囲んで保
護すると共に、ケース59と苗取量調節軸88の隙間9
3で前記搬送ホース41の位置決めを行うように構成し
ている。As shown in FIG. 14, a seedling removing plate 82 at the lower end of the seedling mounting table 16 is moved up and down to adjust the amount of seedling harvested, and a guide rod 85 is attached to a guide member 84 of the planting frame 20. An engaging plate 87 which is supported vertically so as to be able to move up and down via a hook 86 of the adjusting plate 83 is provided on the seedling collecting amount adjusting shaft 88 in the left-right direction, and is connected to the left end side of the seedling collecting amount adjusting shaft 88. By operating the amount adjusting lever 89, the claw 17 with the seedling
The right and left ends of the horizontal shaft portion 88a of the seedling collecting amount adjusting shaft 88 are turned around the bearing plate 90 fixed to the seedling sending case 59 and the right reinforcing member 81. It is movably supported, and a horizontal shaft portion 88a is provided outside the seedling feeding case 59.
Is bent forward by approximately 90 degrees to form a longitudinal axis portion 88b in the front-rear direction.
b is bent inward at approximately 90 degrees inward, and the lever mounting portion 8 is bent.
8c, the base end of the L-shaped adjusting lever 89 is fixed to the mounting portion 88c with two bolts 91, and the distal end of the lever 89 is extended obliquely upward and forward through a lever guide 92 to form the left rear wheel 8c. And the auxiliary wheels 37 so as to surround and protect the seedling feeding case 59 with the respective portions 88a, 88b and 88c.
3, the transfer hose 41 is positioned.
【0018】前記ヒッチブラケット24はトップリンク
25及びロワーリンク26を連結させる上下リンク軸9
4・95を有し、植付フレーム20の横フレーム45略
中央に溶接で抱持固定する支点部材96をブラケット2
4の下端にローリング支点軸97を介して回動自在に連
結させ、ブラケット24上端の取付座98に油圧ローリ
ングシリンダ99を取付け、シリンダ99のピストンロ
ッド100先端を右サイドフレーム23上端の固定ブラ
ケット101に連結させ、複動型の前記シリンダ99を
往復駆動するギヤポンプ102と、該ポンプ102を正
逆駆動する可逆型電動モータ103と油タンク104と
をシリンダ99に一体的に設け、前記取付座98上面に
固設する受板105と苗載台16裏側面の左右端のブラ
ケット間にローリング補正バネ106を張設して、ヒッ
チブラケット24左側の横フレーム45のセンサ台10
7に設けた振子型ローリングセンサ108が植付部15
の傾斜を検出するとき、シリンダ99のピストンロッド
100を進退制御して支点軸97回りに植付部15を左
右に揺動させて植付部15の水平保持を図るように構成
している。The hitch bracket 24 is used to connect the top link 25 and the lower link 26 to the upper and lower link shafts 9.
4. A fulcrum member 96 having a mounting member 95 that is held and fixed by welding to substantially the center of the lateral frame 45 of the planting frame 20 by the bracket 2
4 is rotatably connected via a rolling fulcrum shaft 97 via a rolling fulcrum shaft 97, a hydraulic rolling cylinder 99 is mounted on a mounting seat 98 at the upper end of the bracket 24, and the tip of the piston rod 100 of the cylinder 99 is fixed to the fixed bracket 101 at the upper end of the right side frame 23. And a gear pump 102 for reciprocatingly driving the double-acting cylinder 99, a reversible electric motor 103 for driving the pump 102 in the forward and reverse directions, and an oil tank 104 are integrally provided in the cylinder 99. A rolling correction spring 106 is stretched between the receiving plate 105 fixed on the upper surface and the left and right brackets on the back side surface of the seedling mounting table 16, and the sensor base 10 of the horizontal frame 45 on the left side of the hitch bracket 24 is extended.
7, the pendulum-type rolling sensor 108 is attached to the planting portion 15.
When the inclination is detected, the piston rod 100 of the cylinder 99 is controlled to advance and retreat, and the planting portion 15 is swung right and left around the fulcrum shaft 97 to maintain the planting portion 15 horizontally.
【0019】また、前記横フレーム45と支点部材96
右端とに溶接固定させるブラケット109を設け、該ブ
ラケット109と右サイドフレーム23上端のブラケッ
ト101と間を斜めステー110で補強連結させて、最
も軽量構造のもので右サイドフレーム23の剛性を向上
させて、ローリング性能の確保を図るように構成してい
る。The horizontal frame 45 and the fulcrum member 96
A bracket 109 to be welded and fixed to the right end is provided, and the bracket 109 and the bracket 101 at the upper end of the right side frame 23 are reinforced and connected by an oblique stay 110 to improve rigidity of the right side frame 23 with the lightest structure. Thus, the rolling performance is ensured.
【0020】さらに、前記ブラケット109で苗送り軸
58の略中間を回転自在に支持させるもので、右支持ス
テー77に固設する軸受板111とブラケット109間
に軸受112を介し前記横送りネジ軸66両端を支持さ
せ、前記縦送りカム軸65の右端を継手113を介しネ
ジ軸66左端に、また左端を苗送りケース59にそれぞ
れ連結支持させて、これら左右に分割される縦送りカム
軸65及びネジ軸66を両持ち構造とさせて支持強度を
向上させると共に、縦送りカム軸65の右端を同一軸芯
でネジ軸66に連結させて縦送り精度を向上させるよう
に構成している。前記カム軸65は鉄製中空パイプで、
またネジ軸66は中実鉄材で形成して、機体中心より左
側に前記苗送りケース59とカム軸65、右側に重さの
大きいネジ軸66を振り分け配置させて、左右のバラン
スを良好とさせるように設けている。Further, the bracket 109 rotatably supports a substantially middle portion of the seedling feed shaft 58. The lateral feed screw shaft is provided between the bearing plate 111 fixed to the right support stay 77 and the bracket 109 via a bearing 112. 66, the right end of the vertical feed cam shaft 65 is connected to the left end of the screw shaft 66 via a joint 113, and the left end is connected to and supported by the seedling feed case 59. The screw shaft 66 has a double-supported structure to improve the support strength, and the right end of the vertical feed cam shaft 65 is connected to the screw shaft 66 with the same axis to improve the vertical feed accuracy. The camshaft 65 is an iron hollow pipe,
The screw shaft 66 is formed of a solid iron material, and the seedling feed case 59 and the cam shaft 65 are distributed to the left side of the center of the machine body, and the heavy screw shaft 66 is distributed to the right side to improve the balance between the left and right. It is provided as follows.
【0021】また、前記ネジ軸66には滑り子114を
ネジ結合させ、苗載台16に滑り子受け115を介して
滑り子114を連結させて、ネジ軸66の一方向の回転
時に苗載台16を左右往復移動させると共に、前記縦送
りカム軸65には左右縦送りカム116を有して、苗載
台16が左右移動端まで移動するときには従動カム11
7に縦送りカム116を当接させ一方向クラッチ118
を介し縦送りローラ軸119を一方向に回転させて、苗
載台16下端側に設ける上下一対のローラ軸119・1
20の縦送りローラ121・122間に巻回する縦送り
ベルト123を苗1株分下端方向に移動させるように構
成している。A slider 114 is screw-connected to the screw shaft 66, and a slider 114 is connected to the seedling mounting table 16 via a slider receiver 115 so that the seedling can be mounted when the screw shaft 66 rotates in one direction. The table 16 is reciprocated right and left, and the vertical feed cam shaft 65 has a left and right vertical feed cam 116. When the seedling mounting table 16 moves to the left and right moving end, the driven cam 11
7 and the one-way clutch 118
A pair of upper and lower roller shafts 119.1 provided on the lower end side of the seedling mounting table 16 by rotating the vertical feed roller shaft 119 in one direction through
The vertical feed belt 123 wound between the 20 vertical feed rollers 121 and 122 is moved in the lower end direction by one seedling.
【0022】図15乃至図17にも示す如く、前記苗送
りケース59を連結させるフレーム継手48aは、苗送
りケース59を取付固定するフランジ部60をフレーム
継手48aの一端側に設け、フランジ部60より一定長
さ突出させるフレーム継手48aの外側端に嵌合するイ
ンロー嵌合部124を苗送りケース59の一側内面に設
けると共に、該嵌合部124の外端にテーパ面125を
形成し、Oリング126をテーパ面125と継手48a
間に介在させて、フランジ部60・61のボルト127
による固定時には継手48aとケース59間の気密保持
を簡単構成で低コストな手段によって図るように構成し
ている。As shown in FIGS. 15 to 17, the frame joint 48a for connecting the seedling feed case 59 is provided with a flange 60 for mounting and fixing the seedling feed case 59 on one end of the frame joint 48a. A spigot fitting portion 124 that fits into the outer end of the frame joint 48a that protrudes by a certain length is provided on the inner surface of one side of the seedling feeding case 59, and a tapered surface 125 is formed at the outer end of the fitting portion 124. The O-ring 126 is connected to the tapered surface 125 and the joint 48a.
The bolt 127 of the flange portions 60 and 61 is interposed between them.
At the time of fixing, the airtightness between the joint 48a and the case 59 is maintained by a simple and low-cost means.
【0023】前記苗送りケース59には植付駆動軸51
とは別体の変速軸128を設け、前記ベベルギヤ52の
内側にスプライン穴129を形成して、該スプライン穴
129に駆動軸51左端と変速軸128右端とを嵌合さ
せて駆動軸51に変速軸128を一体連結させて、苗送
りケース59の取外し時には変速軸128も一体で容易
に取外し可能とさせるように構成している。The seedling feed case 59 includes a planting drive shaft 51.
A separate transmission shaft 128 is provided, and a spline hole 129 is formed inside the bevel gear 52, and the left end of the drive shaft 51 and the right end of the transmission shaft 128 are fitted into the spline hole 129 to change the speed to the drive shaft 51. The shaft 128 is integrally connected so that when the seedling feed case 59 is detached, the transmission shaft 128 can also be detached integrally and easily.
【0024】また、前記継手48aとベベルギヤ52と
の間にベアリング130を介設して、継手48a一端側
にベベルギヤ52を回転自在に支持させ、ベアリング1
30位置より外端の継手48a外側面にフランジ部60
を溶接固定させて、ベアリング130の嵌合する継手4
8a嵌合面の内径aよりフランジ部60を溶接する継手
48a内周面の内径bを大(a<b)に形成して、フラ
ンジ部60の溶接歪みで継手48aが多少変形してもベ
アリング130の組立には悪影響を与えないように構成
している。A bearing 130 is provided between the joint 48a and the bevel gear 52, and the bevel gear 52 is rotatably supported at one end of the joint 48a.
The flange portion 60 is provided on the outer surface of the joint 48a at the outer end from the position 30
Are fixed by welding, and the joint 4 of the bearing 130 is fitted.
The inner diameter b of the inner peripheral surface of the joint 48a for welding the flange portion 60 is larger (a <b) than the inner diameter a of the fitting surface 8a. The assembly 130 is configured so as not to adversely affect the assembly.
【0025】さらに、前記苗送りケース59は縦ケース
部59aと横ケース部59bとを有するL形状に形成
し、横ケース部59bの右端にフランジ部61を形成
し、縦ケース部59aに切換ギヤ62・63で形成する
変速機構64を、横ケース部59bに変速切換機構13
1を組込むもので、前記切換ギヤ62・63は変速軸1
28に遊転支持する駆動側ギヤ62a・63aと、縦送
りカム軸65左端に結合固定する従動側ギヤ62b・6
3bとを有すると共に、前記切換機構131は変速軸1
28のキー溝132内に埋設して先端をシートバネ13
3力でギヤ62a・63aのキー溝134に択一的に係
合させるシフトキー135と、シフトキー135にシフ
トリング136及びシフター137を介して連結させる
切換レバー138とを有し、切換レバー138の左端操
作部138aを苗送りケース59左外方の前側に突出さ
せて、切換レバー138の左右方向の押引操作によって
高低2速の横送り速度の切換を行うように構成してい
る。Further, the seedling feeding case 59 is formed in an L shape having a vertical case portion 59a and a horizontal case portion 59b, a flange portion 61 is formed at the right end of the horizontal case portion 59b, and a switching gear is formed on the vertical case portion 59a. The speed change mechanism 64 formed by the speed change switching mechanism 13
The switching gears 62 and 63 are provided with a transmission shaft 1.
Drive gears 62a and 63a idlely supported by the gear 28 and driven gears 62b and 6 coupled and fixed to the left end of the vertical feed cam shaft 65.
3b, and the switching mechanism 131 includes the transmission shaft 1
28 is embedded in the key groove 132 and the tip is seat spring 13
A shift key 135 for selectively engaging the key grooves 134 of the gears 62a and 63a with three forces, and a switching lever 138 connected to the shift key 135 via a shift ring 136 and a shifter 137; The operation section 138a is configured to protrude to the front outside on the left side of the seedling feed case 59, and to switch between the high-low and second-high lateral feed speeds by pushing and pulling the switching lever 138 in the left-right direction.
【0026】また、前記切換ギヤ62・63はシフト1
35と係合する側のギヤ62a・63aを鉄など金属材
で、また他側のギヤ62b・63bを樹脂材で形成し
て、軽量化と耐久性の両方の向上を図るように構成して
いる。Further, the switching gears 62 and 63
The gears 62a and 63a on the side engaged with the gear 35 are formed of a metal material such as iron, and the gears 62b and 63b on the other side are formed of a resin material so as to improve both weight reduction and durability. I have.
【0027】図18、図19にも示す如く、前記植付フ
レーム20は前側のフレーム継手48a・48b内にコ
ンパクトに各ベベルギヤ49a・52・54を組込むと
共に、後側のフレーム継手46にコンパクトに各ベベル
ギヤ56a・56b及び植付爪ユニットクラッチ57を
組込んで、構造の簡単化と低コスト化を図るもので、植
付爪ユニットクラッチ57は回転軸47に遊転支持する
ベベルギヤ56bに固定クラッチ部139を、回転軸4
7に左右摺動自在にスプライン嵌合させる摺動体140
に可動クラッチ部141をそれぞれ形成し、常時はクラ
ッチバネ142によって摺動体140を押圧してクラッ
チ部139・141を結合(オン)させると共に、摺動
体140をバネ142力に抗し後退させるクラッチ操作
部材143をフレーム継手46に進退自在に設けて、操
作部材143をレバー144などを介し苗載台16裏側
のユニットクラッチレバー(図示せず)に連結させて、
該クラッチレバー操作によって植付爪ユニットクラッチ
57の入切を行うように構成している。As shown in FIGS. 18 and 19, the planting frame 20 has the bevel gears 49a, 52 and 54 compactly incorporated in the front frame joints 48a and 48b and the compact frame housing 46 in the rear frame joint 46. The bevel gears 56a and 56b and the planting claw unit clutch 57 are incorporated to simplify the structure and reduce the cost. The planting claw unit clutch 57 is fixed to a bevel gear 56b that idles and supports the rotating shaft 47. The part 139 to the rotating shaft 4
Sliding body 140 to be spline-fitted slidably to left and right to 7
The clutch operation for forming the movable clutch portions 141 respectively and pressing the sliding member 140 by the clutch spring 142 to connect (turn on) the clutch portions 139 and 141 at all times and to retract the sliding member 140 against the force of the spring 142. The member 143 is provided at the frame joint 46 so as to be able to advance and retreat, and the operating member 143 is connected to a unit clutch lever (not shown) on the back side of the seedling mounting table 16 via a lever 144 or the like.
The planting claw unit clutch 57 is configured to be turned on and off by operating the clutch lever.
【0028】図20(1)(2)に示す如く、前記サイ
ドバンパ74は支点軸67の両端に固設する側面視コ形
状の取付部材75にバンパ折曲垂直部74aを上下動自
在に挿通させ、取付部材75より下方に突出させる垂直
部74aのバネ座145と取付部材75間に圧縮バネ1
46を介設させると共に、取付部材75の左端面及び前
面に当接させるL形状の位置規制板147を垂直部74
aに固定させ、規制板147の後方への回動を阻止する
ストッパ部148を取付部材75に設け、規制板147
と取付部材75左端面との当接位置ではバンパ水平部7
4bを支点軸67の延長方向に突出状態とさせて苗取出
板82などを保護する一方、バネ146に抗しバンパ7
4を上方に引上げ前方に水平部74bを略90度回動さ
せ、規制板147と取付部材75前面とを当接させるバ
ンパ収納位置のとき機体巾を縮小させて運搬車への積込
みや格納を容易に可能とさせるように構成している。As shown in FIGS. 20 (1) and 20 (2), the side bumper 74 is inserted vertically through a bumper bent vertical portion 74a into a U-shaped mounting member 75 fixed to both ends of a fulcrum shaft 67 in a side view. The compression spring 1 is disposed between the mounting member 75 and the spring seat 145 of the vertical portion 74 a projecting below the mounting member 75.
The L-shaped position regulating plate 147 which is provided between the vertical portion 74 and the left end surface and the front surface of the mounting member 75 is provided.
a, and a stopper 148 is provided on the mounting member 75 to prevent the regulating plate 147 from rotating backward.
The horizontal position of the bumper 7 is at the contact position between the mounting member 75 and the left end face.
4b is made to protrude in the direction of extension of the fulcrum shaft 67 to protect the seedling extraction plate 82 and the like.
4 is lifted upward, the horizontal portion 74b is rotated forward by approximately 90 degrees, and the width of the body is reduced at the bumper storage position where the restricting plate 147 and the front surface of the mounting member 75 are brought into contact with each other, so that the loading and storage of the vehicle can be performed. It is configured to make it possible easily.
【0029】ところで、前記苗送りケース59内は2軸
65・128で構成し、2組の切換ギヤ62・63やシ
フトキー135の簡単な変速機構64及び切換機構13
1を覆う構成のため、型代を低く抑え低コストで小型軽
量に形成すると共に、ケース本体側にボルト149を介
し固定させる左側面部のケース蓋150を取外して、ギ
ヤ62・63の交換や点検など容易に可能とさせてメン
テナンス性を向上させることができる。By the way, the inside of the seedling feed case 59 is constituted by two shafts 65 and 128, and two sets of switching gears 62 and 63, a simple transmission mechanism 64 of the shift key 135 and a switching mechanism 13 are provided.
1 to reduce the cost of the mold and reduce the cost and size and weight. At the same time, remove the case cover 150 on the left side, which is fixed to the case body via bolts 149, to replace and inspect the gears 62 and 63. For example, it is possible to easily perform the maintenance and improve the maintainability.
【0030】また、横ケース部59bを長尺形状とし、
縦ケース部59aとフランジ部61との間の距離を大と
させて、ボルト127の付け外し作業で工具類を使用す
る場合には、工具類を容易にボルト127位置まで挿入
させてケース59の良好な着脱作業を可能とさせること
ができる。The horizontal case portion 59b has a long shape,
When the distance between the vertical case portion 59a and the flange portion 61 is increased to use tools for attaching and detaching the bolts 127, the tools are easily inserted to the bolt 127 position and the case 59 Good attachment / detachment work can be made possible.
【0031】以上のように、植付部15は植付フレーム
20をパイプフレームで形成して構成の簡単化と軽量化
を図るものであり、苗植付爪17を駆動する植付フレー
ム20と、左右筋引マーカ76を折畳み自在に支持する
マーカ支持ステーであるマーカ支持部材77とを備え、
マーカ支持ステー77の後端を植付フレーム20に固定
させると共に、先端側を機体外方に折曲形成させたこと
によって、従来の如く植付深さ調節の都度にマーカ76
の支持角度を変化させることなく、またマーカ76の収
納操作時にも苗載台16や、本機に装備する施肥部であ
る施肥装置36にマーカ76を当接させる不都合なく、
植付部15にコンパクトにマーカ76を組込んで機体前
後長を短縮化し、機体の前後バランスを良好とさせると
共に、マーカ76の収納姿勢を従来に比べ起立姿勢とさ
せて、マーカ収納操作時にはマーカ76に付着する泥土
の作業者側への飛散を防止させ、また、マーカ支持ステ
ー77の折曲位置の適宜変更で植付フレーム20など使
用部品を共通とさせた他機種・他仕様への展開も可能と
させてコスト低減を図ることができる。As described above, the planting section 15 is formed by forming the planting frame 20 with a pipe frame to simplify the structure and reduce the weight. A marker support member 77 that is a marker support stay that foldably supports the left and right muscle pulling markers 76,
By fixing the rear end of the marker support stay 77 to the planting frame 20 and bending the front end side outward of the body, the marker 76 stays in place each time the planting depth is adjusted as in the related art.
Without changing the support angle of the marker 76 and without causing the marker 76 to abut on the seedling mounting table 16 or the fertilizing device 36 which is a fertilizing unit provided in the machine, even when the marker 76 is stored.
The marker 76 is compactly incorporated into the planting section 15 to shorten the longitudinal length of the body, to improve the longitudinal balance of the body, and to make the storage posture of the marker 76 a more upright posture than before. To prevent the mud adhering to 76 from scattering to the worker side, and to change the bending position of the marker support stay 77 as necessary to share the used parts such as the planting frame 20 and to expand to other models and other specifications. And the cost can be reduced.
【0032】また、植付フレーム20を接続固定するフ
レーム継手48a・48bの外側面にマーカ支持ステー
77の長手方向の線接触部を溶接固定させたことによっ
て、フレーム継手48a・48bの外側面にマーカ支持
ステー77を高強度に保持させて、マーカ76の耐久性
を向上させることができる。Also, the longitudinal line contact portions of the marker support stays 77 are fixed by welding to the outer surfaces of the frame joints 48a and 48b for connecting and fixing the planting frame 20, so that the outer surfaces of the frame joints 48a and 48b are fixed. By maintaining the marker support stay 77 with high strength, the durability of the marker 76 can be improved.
【0033】さらに、苗載台16を支持するサイドフレ
ーム23とフレーム継手48a・48bの補強部材80
・81にマーカ支持ステー77を固定させたことによっ
て、マーカ支持部材用としての特別な補強部材を設ける
ことなく、マーカ支持ステー77を強固にフレーム継手
48a・48bに固定させて、軽量且つ低コストな手段
でマーカ支持ステー77の強度向上を図ることができ
る。Further, the side frame 23 supporting the seedling mounting table 16 and the reinforcing members 80 of the frame joints 48a and 48b are provided.
-By fixing the marker support stay 77 to 81, the marker support stay 77 is firmly fixed to the frame joints 48a and 48b without providing a special reinforcing member for the marker support member, and is lightweight and low cost. By such means, the strength of the marker support stay 77 can be improved.
【0034】また、苗植付爪17を駆動する植付フレー
ム20と、植付フレーム20の左右一側に配設して苗送
り軸58を駆動する苗送りケース59と、左右筋引マー
カ76を折畳み自在に支持するマーカ支持ステー77と
を備え、マーカ支持ステー77の後端を植付フレーム2
0に固定させ、前端側を機体外方に折曲形成させると共
に、マーカ支持ステー77の折曲部である横ステー部7
7bを苗送りケース59前方に配置させることによっ
て、従来の如く植付深さ調節の都度にマーカ76の支持
角度を変化させることなく、またマーカ76の収納操作
時にも苗載台16や、本機に装備する施肥装置36にマ
ーカ76を当接させる不都合なく、植付部15にコンパ
クトにマーカ76を組込んで機体前後長を短縮化し、機
体の前後バランスを良好とさせると共に、マーカ76の
収納姿勢を従来に比べ起立姿勢とさせて、マーカ収納操
作時にはマーカ76に付着する泥土の作業者側への飛散
を防止させ、また、マーカ支持ステー77の折曲位置の
適宜変更で植付フレームなど使用部品を共通とさせた他
機種・他仕様への展開も可能とさせてコスト低減を図
り、さらには苗送りケース59前方をマーカ支持ステー
77で保護して苗送りケース59の損傷を防止し耐久性
を向上させることができる。Further, a seedling frame 20 for driving the seedling mounting claw 17, a seedling feed case 59 arranged on one side of the planting frame 20 to drive the seedling feed shaft 58, And a marker support stay 77 that folds the marker support stay 77 freely.
0, the front end side is bent outward of the fuselage, and the horizontal stay portion 7 which is a bent portion of the marker support stay 77 is formed.
By arranging the marker 7b in front of the seedling feeding case 59, the supporting angle of the marker 76 does not change every time the planting depth is adjusted as in the related art. Without the inconvenience of bringing the marker 76 into contact with the fertilizer application device 36 mounted on the machine, the marker 76 is compactly incorporated into the planting section 15 to shorten the fore-and-aft length of the machine, thereby improving the fore-and-aft balance of the machine and improving the The storage posture is made to be an upright posture as compared with the conventional case, so that mud adhering to the marker 76 is prevented from scattering to the operator side during the marker storage operation, and the planting frame is appropriately changed by changing the bending position of the marker support stay 77. For example, it can be developed to other models and other specifications that use the same parts as it is used to reduce costs. In addition, the front of the seedling feeding case 59 is protected by the marker support stay 77 and the seedling is sent. To prevent damage to the over scan 59 can be improved durability.
【0035】さらに、フロート支持部材である支点軸6
7の一端側に設ける保護部材であるサイドバンパ74と
マーカ支持ステー77との間に苗送りケース59を配設
させることによって、バンパ74とマーカ支持ステー7
7とで苗送りケース59を前後から保護して、苗送りケ
ース59の損傷のない良好な設置を可能とさせると共
に、横送り速度切換用の切換レバー138を苗送りケー
ス59に設けた場合には、切換レバー138に夾雑物が
引掛るなどの懸念を解消させて切換レバー138の誤操
作を防止することができる。Further, a fulcrum shaft 6 serving as a float support member
By disposing a seedling sending case 59 between a side bumper 74 which is a protection member provided on one end side of the marker 7 and the marker support stay 77, the bumper 74 and the marker support stay 7 are provided.
7 protects the seedling feed case 59 from the front and rear, enables the seedling feed case 59 to be installed properly without damage, and provides a seedling feed case 59 with a switching lever 138 for switching the lateral feed speed. Can eliminate the concern that foreign matter is caught on the switching lever 138 and prevent erroneous operation of the switching lever 138.
【0036】また、苗植付爪17を駆動する植付フレー
ム20と、植付フレーム20を接続固定するフレーム継
手48a・48bと、苗の横送り及び縦送りを行う苗送
り軸58を駆動する苗送りケース59とを備え、苗送り
ケース59を取付固定するフランジ部60をフレーム継
手48aの一端側に設けると共に、フランジ部60より
突出させるフレーム継手48aの外側端に嵌合するイン
ロー嵌合部124を苗送りケース59の一側内面に設け
たことによって、苗送りケース59内に横送り変速用の
切換ギヤ62・63や切換機構131などを残したま
ま、一体的に苗送りケース59の植付部側に対する取付
け及び取外しを容易に可能とさせて、苗送りケース59
の取付精度を向上させると共に、切換ギヤ62・63や
切換機構131など横送り変速機構64のメンテナンス
を良好とさせることができる。Further, the planting frame 20 for driving the planting claws 17, the frame joints 48 a and 48 b for connecting and fixing the planting frame 20, and the seedling feed shaft 58 for feeding the seedlings horizontally and vertically are driven. A seedling feed case 59 is provided, and a flange portion 60 for mounting and fixing the seedling feed case 59 is provided at one end of the frame joint 48a, and a spigot fitting portion fitted to the outer end of the frame joint 48a projected from the flange portion 60. By providing the seedling feeding case 59 on one side inner surface, the seedling feeding case 59 is integrally formed while the switching gears 62 and 63 for laterally shifting and the switching mechanism 131 are left in the seedling feeding case 59. The seedling sending case 59 is easily attached and detached to the planting portion side.
And the maintenance of the transverse feed mechanism 64 such as the switching gears 62 and 63 and the switching mechanism 131 can be improved.
【0037】さらに、植付フレーム20内の駆動部材で
ある駆動軸51を支持する軸受部材であるベアリング1
30をフレーム継手48aの一端側内面に設け、ベアリ
ング130より外側端でフレーム継手48aにフランジ
部60を固定させると共に、フレーム継手48aの内径
をベアリング130位置よりフランジ部60位置側を大
に設けて、フレーム継手48aにフランジ部60を溶接
によって固着させた場合に、溶接歪みでフレーム継手4
8aが多少変形してもベアリング130の組付に支障を
与えることのない精度良好なベアリング130の組付を
行うものである。Further, the bearing 1 as a bearing member for supporting the drive shaft 51 as the drive member in the planting frame 20.
30 is provided on the inner surface on one end side of the frame joint 48a, the flange portion 60 is fixed to the frame joint 48a at the outer end from the bearing 130, and the inner diameter of the frame joint 48a is provided larger on the flange portion 60 position side than the bearing 130 position. When the flange portion 60 is fixed to the frame joint 48a by welding, the welding of the frame joint 4
The bearing 130 is mounted with high accuracy without causing any trouble in the mounting of the bearing 130 even if the portion 8a is slightly deformed.
【0038】またさらに、フランジ部60に固定させる
苗送りケース59のフランジ部61内面にテーパ部であ
るテーパ面125を形成し、フランジ部60(継手48
a)とテーパ面125間にOリング126を介設して、
従来のオイルシールなど使用するものに比べ構成簡単に
して低コストとさせ、例え溶接歪みでフレーム継手48
aが変形しても追加工などすることなく気密性を確保す
ると共に、テーパ面125とOリング126の反力とに
よって苗送りケース59の容易にして正確な位置決めを
可能とさせるものである。Further, a tapered surface 125 which is a tapered portion is formed on the inner surface of the flange portion 61 of the seedling feeding case 59 fixed to the flange portion 60, and the flange portion 60 (joint 48) is formed.
a) and an O-ring 126 interposed between the tapered surface 125 and
Compared to conventional oil seals and other materials used, the structure is simplified and the cost is reduced.
Even if a is deformed, airtightness is ensured without any additional processing, and the tapered surface 125 and the reaction force of the O-ring 126 facilitate the accurate positioning of the seedling feeding case 59.
【0039】また、苗植付爪17を駆動する植付フレー
ム20と、植付フレーム20の左右一側に配設して苗送
り軸58を駆動する苗送りケース59とを備え、苗送り
ケース59は植付フレーム20に連結する横ケース部5
9bと、苗送り軸58に連結する縦ケース部59aとの
略L字形に形成し、横送り速度を変速する変速機構64
を縦ケース部59aに、変速機構64を切換える切換機
構131を横ケース部59bに設けることによって、低
コストで小型に設ける苗送りケース59によって苗載台
16の横送り速度の変更を容易に可能とさせて、苗送り
ケース59周辺のスペースを良好に確保し、設計や付属
部品設置の自由度を増大させると共に、苗送りケース5
9内に変速機構64や切換機構131を残したままのケ
ース59の取外しも容易に可能とさせて変速機構64や
切換機構131などのメンテナンス性を向上させること
ができる。The planting frame 20 for driving the planting claws 17 and the seedling sending case 59 disposed on one side of the planting frame 20 for driving the seedling sending shaft 58 are provided. 59 is a horizontal case part 5 connected to the planting frame 20
9b and a vertical case portion 59a connected to the seedling feed shaft 58, which is formed in a substantially L-shape, and a transmission mechanism 64 for shifting the lateral feed speed.
By providing the vertical case portion 59a and the switching mechanism 131 for switching the speed change mechanism 64 in the horizontal case portion 59b, the lateral feeding speed of the seedling mounting table 16 can be easily changed by the seedling feeding case 59 provided at a low cost and small size. Thus, the space around the seedling sending case 59 is ensured well, the degree of freedom in design and installation of accessory parts is increased, and the seedling sending case 5 is provided.
It is possible to easily remove the case 59 with the transmission mechanism 64 and the switching mechanism 131 remaining in the inside 9, thereby improving the maintainability of the transmission mechanism 64 and the switching mechanism 131.
【0040】さらに、変速機構64を複数組の切換ギヤ
62・63で形成し、切換機構131で操作する側のギ
ヤ62a・63aを金属で相手側ギヤ62b・63bを
樹脂で形成することによって、金属及び樹脂製のギヤ6
2a・62b・63a・63bの組合せによって摩擦を
小さく抑え滑らかな回動と、軽量化を可能とさせると共
に、切換機構131にシフター137などを用いた場合
のギヤ62a・63a側の強度不足を解消させ、ギヤ6
2・63形状を小形状に保って苗送りケース59の大型
化を防止することができる。Further, the transmission mechanism 64 is formed of a plurality of sets of switching gears 62 and 63, and the gears 62a and 63a on the side operated by the switching mechanism 131 are formed of metal and the mating gears 62b and 63b are formed of resin. Metal and resin gear 6
The combination of 2a, 62b, 63a, 63b suppresses friction and enables smooth rotation and weight reduction, and eliminates insufficient strength on the gears 62a, 63a side when the shifter 137 or the like is used for the switching mechanism 131. Gear 6
By keeping the 2.63 shape small, it is possible to prevent the seedling feeding case 59 from being enlarged.
【0041】また、苗植付爪17を駆動する植付フレー
ム20と、植付フレーム20の左右一側に配設して苗送
り軸58を駆動する苗送りケース59と、苗載台16の
苗取量を調節する苗取量調節部材である苗取量調節軸8
8を備え、苗送りケース59の後方から側方を迂回させ
て前方に苗取量調節軸88の先端側を突設させることに
よって、苗送りケース59の外方を苗取量調節軸88で
保護して苗送りケース59の耐久性を向上させると共
に、施肥部36の装着時には苗取量調節軸88を施肥ホ
ース41の案内部材として活用してホース41の損傷の
ない良好な支持を可能とさせることができる。A seedling frame 20 for driving the seedling mounting claw 17, a seedling feed case 59 disposed on one of the left and right sides of the seedling frame 20 to drive a seedling feed shaft 58, Seedling amount adjusting shaft 8 which is a seedling amount adjusting member for adjusting the seedling amount.
8, the tip of the seedling feed adjusting shaft 88 is projected forward from the rear of the seedling feed case 59 so as to detour from the side, and the outside of the seedling feed case 59 is moved by the seedling feed adjusting shaft 88. It protects and improves the durability of the seedling feeding case 59, and enables the good support without damaging the hose 41 by utilizing the seedling collection adjusting shaft 88 as a guide member of the fertilizing hose 41 when the fertilizing part 36 is attached. Can be done.
【0042】さらに、苗取量調節軸88を横部材である
横軸部88aと縦部材である縦軸部88bを略L字形に
一体的に組合せた構造に形成して、部品点数を削減させ
た簡単構造に苗取量調節軸88を形成して、組立の容易
化とコストの低減化を図ると共に、横軸部88aと縦軸
部88bとの連結部を彎曲状の曲げ部に形成することに
よって、夾雑物が引掛るなどの不都合も防止することが
できる。Further, the seedling collecting amount adjusting shaft 88 is formed in a structure in which a horizontal shaft portion 88a as a horizontal member and a vertical shaft portion 88b as a vertical member are integrally combined in a substantially L-shape to reduce the number of parts. The seedling collecting amount adjusting shaft 88 is formed in a simple structure to facilitate the assembly and reduce the cost, and the connecting portion between the horizontal axis portion 88a and the vertical axis portion 88b is formed in a curved bending portion. This can also prevent inconveniences such as catching of foreign matter.
【0043】またさらに、苗載台16を支持するサイド
フレーム23の補強部材80・81に苗取量調節軸88
を支持させて、苗取量調節軸88を支持する支持部材の
部品点数を削減させて、構造の簡単化とコストの低減化
を図ることができる。Further, the seedling collecting amount adjusting shaft 88 is attached to the reinforcing members 80 and 81 of the side frame 23 supporting the seedling mounting table 16.
, And the number of parts of the support member for supporting the seedling collecting amount adjusting shaft 88 can be reduced, so that the structure can be simplified and the cost can be reduced.
【0044】また、苗載台16の苗取量を調節する苗取
量調節操作部材である苗取量調節レバー89を植付部1
5の側方に備えると共に、後輪の外方で且つ機体前方に
向け調節レバー89の操作部を突出させることによっ
て、運転席位置からの作業者の身体の捻り量を可及的に
小さく抑えて苗取量調節レバー89の操作性を向上させ
ると共に、苗取量調節レバー89の回動角の自由度を高
めるなど配置などでの容易化を図ることができる。Further, a seedling collecting amount adjusting lever 89 which is a seedling collecting amount adjusting operation member for adjusting the seedling collecting amount of the seedling mounting table 16 is connected to the planting section 1.
5 and the operating portion of the adjustment lever 89 is projected outward of the rear wheel and forward of the fuselage, so that the amount of twisting of the operator's body from the driver's seat position is minimized. As a result, the operability of the seedling collecting amount adjusting lever 89 can be improved, and the degree of freedom of the rotation angle of the seedling collecting amount adjusting lever 89 can be increased, and the arrangement can be simplified.
【0045】さらに、後輪8とこの外側の補助車輪37
間に苗取量調節レバー89を配置させることによって、
後輪8と補助車輪37間の限られたスペースを有効利用
して苗取量調節レバー89を配設させ、植付部15への
コンパクトな組込みを容易に可能とさせることができ
る。Further, the rear wheel 8 and the auxiliary wheel 37 outside the rear wheel 8 are provided.
By arranging the seedling collection adjusting lever 89 between them,
By effectively utilizing the limited space between the rear wheel 8 and the auxiliary wheel 37, the seedling collection adjusting lever 89 is disposed, and compact integration into the planting section 15 can be easily performed.
【0046】またさらに、後輪8の一側方に苗取量調節
レバー89を、後輪8を挾んで他側方に植付深さを調節
する植深調節操作部材である植深調節レバー73を配置
させることによって、作業中の操作を必要とするこれら
レバー73・89を機体中心に対して同一側方に近接配
備させて、これらの操作性を向上させることができる。Further, a seedling collecting amount adjusting lever 89 is provided on one side of the rear wheel 8 and a planting depth adjusting lever which is a planting depth adjusting member for adjusting the planting depth on the other side of the rear wheel 8. By arranging the levers 73, the levers 73 and 89, which require operation during the operation, can be arranged close to the same side of the center of the fuselage, so that their operability can be improved.
【0047】また、苗植付爪17を駆動する植付フレー
ム20と、植付フレーム20に苗送りケース59を介し
連結する苗送り部材である苗送り軸58とを備え、苗送
り軸58は一端側に縦送りカム軸65を、他端側に横送
りネジ軸66を形成すると共に、これらカム軸65及び
ネジ軸66を機体中心より左右に振り分け配置させたこ
とによって、植付部15の左右重量バランスを良好とさ
せて苗植付精度を安定維持させると共に、縦送りカム軸
65の縦送りカム116及び横送りネジ軸16の滑り子
114を機体中央から左右に振分けてこれらのメンテナ
ンスを容易とさせることができる。The planting frame 20 for driving the planting claws 17 and a seedling feed shaft 58 as a seedling feed member connected to the planting frame 20 via a seedling feed case 59 are provided. A vertical feed cam shaft 65 is formed at one end and a lateral feed screw shaft 66 is formed at the other end, and the cam shaft 65 and the screw shaft 66 are distributed right and left from the center of the machine body. The right and left weight balance is improved to stably maintain seedling planting accuracy, and the vertical feed cam 116 of the vertical feed cam shaft 65 and the slider 114 of the horizontal feed screw shaft 16 are distributed to the left and right from the center of the fuselage to maintain these. It can be easy.
【0048】さらに、植付フレーム20に横送りネジ軸
66の両端を連結支持させると共に、該ネジ軸66と苗
送りケース59とに縦送りカム軸65の両端を支持させ
て、苗送りケース59と横送りネジ軸66を植付フレー
ム20に精度良好に支持させると共に、縦送りカム軸6
5を苗送りケース59とネジ軸66に両持ち状に支持さ
せて苗載台16の横送りと苗の縦送り精度を向上させる
ことができる。Further, both ends of the lateral feed screw shaft 66 are connected and supported by the planting frame 20, and both ends of the vertical feed cam shaft 65 are supported by the screw shaft 66 and the seedling feed case 59. And the lateral feed screw shaft 66 are accurately supported by the planting frame 20 and the vertical feed cam shaft 6
By supporting the seedling 5 on the seedling feed case 59 and the screw shaft 66 in a double-supported manner, it is possible to improve the lateral feeding of the seedling mounting table 16 and the vertical feeding accuracy of the seedling.
【0049】さらに、苗送りケース59を植付フレーム
20に連結する横ケース部59bと、上下方向の縦ケー
ス部59aとを有する略L字形構造に形成し、縦ケース
部59aより内方に縦送りカム軸65を延設させ、苗送
りケース59とカム軸65とで形成する略コ字形の空間
域に縦送りカム116を臨ませて、苗送りケース59と
縦送りカム部の横方向のスペース幅を縮小させてこれら
のコンパクトな組込みと、他部品設置や設計での自由度
を拡大させることができる。Further, the seedling feeding case 59 is formed in a substantially L-shaped structure having a horizontal case portion 59b connecting the planting frame 20 and a vertical case portion 59a in a vertical direction, and is formed vertically inward from the vertical case portion 59a. The feed cam shaft 65 is extended, and the vertical feed cam 116 faces a substantially U-shaped space formed by the seedling feed case 59 and the cam shaft 65. By reducing the space width, it is possible to increase the degree of freedom in installing these compact components and installing and designing other components.
【0050】[0050]
【発明の効果】以上実施例から明らかなように本発明
は、苗植付爪17を駆動する植付フレーム20と、植付
フレーム20の左右一側に配設して苗送り軸58を駆動
する苗送りケース59と、苗載台16の苗取量を調節す
る苗取量調節部材88を備え、苗送りケース59の後方
から側方を迂回させて前方に調節部材88の先端側を突
設させたものであるから、苗送りケース59の外方を苗
取量調節部材88で保護して横送りケース59の耐久性
を向上させることができるものである。As is apparent from the above embodiments, the present invention provides a planting frame 20 for driving the planting claws 17 and a seedling feed shaft 58 disposed on one of the left and right sides of the planting frame 20. A seedling feeding case 59 to be adjusted, and a seedling collecting amount adjusting member 88 for adjusting the seedling collecting amount of the seedling mounting table 16. Since it is provided, the outside of the seedling feeding case 59 can be protected by the seedling collection amount adjusting member 88, and the durability of the lateral feeding case 59 can be improved.
【0051】さらに、苗取量調節部材88を横部材であ
る横軸部88aと縦部材である縦軸部88bを略L字形
に一体的に組合せた構造に形成して、部品点数を削減さ
せた簡単構造に苗取量調節部材88を形成したものであ
るから、組立の容易化とコストの低減化を図ることがで
きるものである。Further, the seedling collecting amount adjusting member 88 is formed in a structure in which a horizontal shaft portion 88a as a horizontal member and a vertical shaft portion 88b as a vertical member are integrally combined in a substantially L-shape to reduce the number of parts. Since the seedling collection amount adjusting member 88 is formed in a simple structure, the assembly can be facilitated and the cost can be reduced.
【0052】またさらに、苗載台16を支持するサイド
フレーム23の補強部材80・81に苗取量調節部材8
8を支持させたものであるから、苗取量調節部材88を
支持する支持部材の部品点数を削減させて、構造の簡単
化とコストの低減化を図ることができるものである。Further, the reinforcing members 80 and 81 of the side frame 23 supporting the seedling mounting table 16 are provided with the seedling collecting amount adjusting members 8.
Since the supporting member 8 is supported, the number of parts of the supporting member that supports the seedling collecting amount adjusting member 88 can be reduced, and the structure can be simplified and the cost can be reduced.
【図1】田植機の全体側面図。FIG. 1 is an overall side view of a rice transplanter.
【図2】田植機の全体平面図。FIG. 2 is an overall plan view of the rice transplanter.
【図3】植付部の側面図。FIG. 3 is a side view of the planting section.
【図4】植付部の平面図。FIG. 4 is a plan view of a planting section.
【図5】植付部の平面説明図。FIG. 5 is an explanatory plan view of a planting section.
【図6】植付部の概略正面図。FIG. 6 is a schematic front view of a planting section.
【図7】植付フレーム部の正面図。FIG. 7 is a front view of the planting frame portion.
【図8】植付フレーム部の側面図。FIG. 8 is a side view of the planting frame portion.
【図9】植付フレーム部の平面断面図。FIG. 9 is a plan sectional view of the planting frame portion.
【図10】植付フレーム左側平面図。FIG. 10 is a left side plan view of the planting frame.
【図11】植付フレーム右側平面図。FIG. 11 is a right side plan view of the planting frame.
【図12】植付フレームの断面説明図。FIG. 12 is an explanatory sectional view of a planting frame.
【図13】植付フレームの斜視説明図。FIG. 13 is an explanatory perspective view of a planting frame.
【図14】苗取出し部の説明図。FIG. 14 is an explanatory view of a seedling removal unit.
【図15】苗送りケース部の断面説明図。FIG. 15 is an explanatory sectional view of a seedling sending case portion.
【図16】変速軸部の説明図。FIG. 16 is an explanatory diagram of a transmission shaft unit.
【図17】切換機構の説明図。FIG. 17 is an explanatory diagram of a switching mechanism.
【図18】植付爪ユニットクラッチ部の説明図。FIG. 18 is an explanatory diagram of a planting claw unit clutch unit.
【図19】植付爪ユニットクラッチ部の外観説明図。FIG. 19 is an explanatory view of the appearance of a planting claw unit clutch unit.
【図20】サイドバンパ部の説明図。FIG. 20 is an explanatory diagram of a side bumper unit.
16 苗載台 17 苗植付爪 20 植付フレーム 23 サイドフレーム 59 苗送りケース 80・81 補強部材 88 苗取レバー軸(調節部材) 88a 横軸部(横部材) 88b 縦軸部(縦部材) 16 Nursery stand 17 Seedling claw 20 Planting frame 23 Side frame 59 Seedling feed case 80 ・ 81 Reinforcement member 88 Seedling lever shaft (adjusting member) 88a Horizontal shaft portion (horizontal member) 88b Vertical shaft portion (vertical member)
Claims (3)
付フレームの左右一側に配設して苗送り軸を駆動する苗
送りケースと、苗載台の苗取量を調節する苗取量調節部
材を備え、苗送りケースの後方から側方を迂回させて前
方に調節部材の先端側を突設させたことを特徴とする田
植機。1. A planting frame for driving a seedling claw, a seedling feed case disposed on one side of the planting frame to drive a seedling feed shaft, and a seedling collecting amount of a seedling mounting table. A rice transplanter comprising a seedling collecting amount adjusting member, wherein a tip end side of the adjusting member is protruded forward from a rear side of the seedling sending case so as to bypass the side.
字形に一体的に組合せた構造に形成したことを特徴とす
る請求項1記載の田植機。2. The seedling collection amount adjusting member is substantially horizontal and the vertical member is substantially L.
2. The rice transplanter according to claim 1, wherein the rice transplanter is formed in a structure integrally combined in a letter shape.
部材に苗取量調節部材を支持させるように構成したこと
を特徴とする請求項1記載の田植機。3. The rice transplanter according to claim 1, wherein the seedling collecting amount adjusting member is supported by a reinforcing member of a side frame that supports the seedling mounting table.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001066977A JP4605623B2 (en) | 2001-03-09 | 2001-03-09 | Rice transplanter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001066977A JP4605623B2 (en) | 2001-03-09 | 2001-03-09 | Rice transplanter |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2002262625A true JP2002262625A (en) | 2002-09-17 |
JP4605623B2 JP4605623B2 (en) | 2011-01-05 |
Family
ID=18925398
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2001066977A Expired - Fee Related JP4605623B2 (en) | 2001-03-09 | 2001-03-09 | Rice transplanter |
Country Status (1)
Country | Link |
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JP (1) | JP4605623B2 (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63114122U (en) * | 1987-01-18 | 1988-07-22 | ||
JPH0260520U (en) * | 1988-10-26 | 1990-05-02 | ||
JPH09121633A (en) * | 1996-08-22 | 1997-05-13 | Yanmar Agricult Equip Co Ltd | Planting apparatus in rice transplanter |
JPH1084725A (en) * | 1996-09-19 | 1998-04-07 | Iseki & Co Ltd | Seedling transplanter |
JPH1156043A (en) * | 1997-08-19 | 1999-03-02 | Yanmar Agricult Equip Co Ltd | Seedling-carrier for rice-transplanter |
JP2000032811A (en) * | 1998-07-17 | 2000-02-02 | Kubota Corp | Seedling-transplanting device in rice transplanter |
JP2000041429A (en) * | 1998-07-30 | 2000-02-15 | Yanmar Agricult Equip Co Ltd | Riding rice transplanter |
-
2001
- 2001-03-09 JP JP2001066977A patent/JP4605623B2/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63114122U (en) * | 1987-01-18 | 1988-07-22 | ||
JPH0260520U (en) * | 1988-10-26 | 1990-05-02 | ||
JPH09121633A (en) * | 1996-08-22 | 1997-05-13 | Yanmar Agricult Equip Co Ltd | Planting apparatus in rice transplanter |
JPH1084725A (en) * | 1996-09-19 | 1998-04-07 | Iseki & Co Ltd | Seedling transplanter |
JPH1156043A (en) * | 1997-08-19 | 1999-03-02 | Yanmar Agricult Equip Co Ltd | Seedling-carrier for rice-transplanter |
JP2000032811A (en) * | 1998-07-17 | 2000-02-02 | Kubota Corp | Seedling-transplanting device in rice transplanter |
JP2000041429A (en) * | 1998-07-30 | 2000-02-15 | Yanmar Agricult Equip Co Ltd | Riding rice transplanter |
Also Published As
Publication number | Publication date |
---|---|
JP4605623B2 (en) | 2011-01-05 |
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