JP2002034312A - Fertilizer-applying machine - Google Patents
Fertilizer-applying machineInfo
- Publication number
- JP2002034312A JP2002034312A JP2000216831A JP2000216831A JP2002034312A JP 2002034312 A JP2002034312 A JP 2002034312A JP 2000216831 A JP2000216831 A JP 2000216831A JP 2000216831 A JP2000216831 A JP 2000216831A JP 2002034312 A JP2002034312 A JP 2002034312A
- Authority
- JP
- Japan
- Prior art keywords
- fertilizer
- hopper
- feeding
- amount
- weight sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003337 fertilizer Substances 0.000 claims abstract description 99
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 230000004720 fertilization Effects 0.000 description 15
- 241000209094 Oryza Species 0.000 description 10
- 235000007164 Oryza sativa Nutrition 0.000 description 10
- 235000009566 rice Nutrition 0.000 description 10
- 210000000078 claw Anatomy 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 102100028175 Abasic site processing protein HMCES Human genes 0.000 description 1
- 102100033007 Carbonic anhydrase 14 Human genes 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 101001006387 Homo sapiens Abasic site processing protein HMCES Proteins 0.000 description 1
- 101000867862 Homo sapiens Carbonic anhydrase 14 Proteins 0.000 description 1
- 101100280298 Homo sapiens FAM162A gene Proteins 0.000 description 1
- 102100023788 Protein FAM162A Human genes 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Fertilizing (AREA)
- 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植付爪を
備えて連続的に苗植作業を行う田植機にあって、植付条
の側方に施肥を同時に行う施肥機に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rice transplanter having a seedling mounting table and planting claws for continuously performing seedling planting operations, and to a fertilizer applying fertilizer simultaneously to the side of a planting strip.
【0002】[0002]
【発明が解決しようとする課題】従来、植付作業中に施
肥を同時に行う施肥機においては、圃場条件に関係なく
常に略一定の肥料を繰出して施肥を行うため、例えば少
量の施肥しか必要としない箇所にも必要以上の施肥が行
われて田面条件を悪化させたり肥料損失を増大させて不
経済とさせるなどの不都合があると共に、多量の施肥を
必要とするときにも少量の施肥しか行われず作物を生育
不良とさせるなどの不都合があった。Conventionally, in a fertilizer that simultaneously performs fertilizer application during planting work, a substantially constant amount of fertilizer is always fed out regardless of field conditions, so that only a small amount of fertilizer is required. Unnecessary fertilization is also performed in places where it is not necessary, and there are inconveniences such as worsening paddy surface conditions and increasing fertilizer loss and making it uneconomical, and when a large amount of fertilization is required, only a small amount of fertilization is performed There were inconveniences such as making the crops grow poorly.
【0003】[0003]
【課題を解決するための手段】したがって本発明は、肥
料ホッパに上下動自在に内設させる内装ホッパの重量変
化の検出に基づいて肥料繰出量を検知する重量センサ
と、内装ホッパの肥料繰出量を調節する施肥量調節機構
とを備え、前記重量センサの検出に基づいて施肥量調節
機構を駆動制御するように構成して、作業中にも重量セ
ンサでもってこの施肥機の施肥量を容易に検出しリアル
タイムに調節機構を制御して、施肥作業中圃場に必要と
する適正施肥量を常に保って、稲など作物を略均一の圃
場環境条件下で良好に生育させて、作物の生産性を向上
させるものである。SUMMARY OF THE INVENTION Accordingly, the present invention provides a weight sensor for detecting a fertilizer feeding amount based on a change in weight of an interior hopper provided inside a fertilizer hopper so as to be vertically movable, and a fertilizer feeding amount for the interior hopper. And a fertilizing amount adjusting mechanism for adjusting the fertilizer amount, and configured to drive and control the fertilizing amount adjusting mechanism based on the detection of the weight sensor. Detecting and controlling the adjustment mechanism in real time, always maintain the appropriate amount of fertilizer required in the field during fertilization work, and grow crops such as rice well under substantially uniform field environment conditions, and improve crop productivity. It is to improve.
【0004】また、内装ホッパを上下動自在に肥料ホッ
パに支持するガイド部材を設けると共に、肥料及び内装
ホッパ間に重量センサを介設して、ガイド部材によって
内装ホッパの傾きを防止した正確な上下動作を行わせて
重量センサの検出精度を向上させると共に、重量センサ
を肥料ホッパ内に容易に組込んで構造のコンパクト化を
図るものである。In addition, a guide member is provided for supporting the interior hopper on the fertilizer hopper so as to be vertically movable, and a weight sensor is provided between the fertilizer and the interior hopper to prevent the inclination of the interior hopper by the guide member. An operation is performed to improve the detection accuracy of the weight sensor, and the weight sensor is easily incorporated in the fertilizer hopper to reduce the size of the structure.
【0005】さらに、施肥量調節機構を肥料ホッパ下方
位置のホッパ前後幅内で左右ホッパの繰出部間に配設し
て、施肥機をコンパクト構造とさせて、田植機体に対す
る装着を容易に可能とさせると共に、田植機体後方の植
付部の昇降時にも調節機構を干渉させることなく性能を
安定維持させるものである。Further, a fertilizer application amount adjusting mechanism is disposed between the feeding portions of the left and right hoppers within the front and rear widths of the hopper at a position below the fertilizer hopper, so that the fertilizer is made compact so that it can be easily mounted on a rice transplanting machine. At the same time, the performance is stably maintained without interfering with the adjusting mechanism even when the planting portion at the rear of the rice transplanting machine rises and falls.
【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機体
である走行車であり、エンジン(2)を車体フレーム
(3)前部上方に搭載させ、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)の後部にリヤアクスルケース(7)を連設し、前
記リヤアクスルケース(7)に車輪である水田走行用後
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、足掛台(11)を介して作業者が搭乗する
車体カバーであるステップ(12)によって前記ミッシ
ョンケース(4)等を覆い、前記ステップ(12)上部
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(14)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, (1) is a traveling vehicle which is a traveling body on which an operator rides, and an engine (2) is mounted in front of a body frame (3). The front axle case (5) supports a paddy traveling front wheel (6) via a front axle case (5) in front of the transmission case (4), and a rear axle case (7) is connected to the rear of the transmission case (4). The rear axle case (7) supports a paddy field traveling rear wheel (8) as a wheel. A spare seedling mount (10) is attached to both sides of the hood (9) covering the engine (2) and the like, and the step (12) is a body cover on which an operator rides via a footrest (11). A driver's seat (13) is mounted above the step (12), covering the transmission case (4) and the like, and a steering handle (14) is provided in front of the driver's seat (13) and at the rear of the hood (9).
【0007】また、図中(15)は6条植え用の苗載台
(16)並びに複数の植付爪(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(1
6)を下部レール(18)及びガイドレール(19)を
介して植付ケース(20)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)を前記植付ケース(20)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)先端に植付爪(17)(17)を取付ける。ま
た前記植付ケース(20)の前側にローリング支点軸
(23)を介して支持フレーム(24)を設け、トップ
リンク(25)及びロワーリンク(26)を含むリンク
機構(27)を介して走行車(1)後側に支持フレーム
(24)を連結させ、前記リンク機構(27)を介して
植付部(15)を昇降させる昇降シリンダ(28)をロ
ワーリンク(26)に連結させ、前記前後輪(6)
(8)を走行駆動して移動すると同時に、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。[0007] In the figure, reference numeral (15) denotes a planting portion provided with a seedling mounting table (16) for planting six rows and a plurality of planting claws (17). Forward tilting seedling platform (1
6) is supported on a planting case (20) via a lower rail (18) and a guide rail (19) so as to be reciprocally slidable right and left, and a rotary case (21) is rotated at a constant speed in one direction. A pair of claw cases (22) and (22) are supported at the case (20) and symmetrically positioned around the rotation axis of the case (21), and the claw case (22) is provided.
(22) Attach the planting claws (17) and (17) to the tip. A support frame (24) is provided on the front side of the planting case (20) via a rolling fulcrum shaft (23), and travels via a link mechanism (27) including a top link (25) and a lower link (26). A support frame (24) is connected to the rear side of the vehicle (1), and a lifting cylinder (28) for raising and lowering the planting section (15) is connected to the lower link (26) via the link mechanism (27). Front and rear wheels (6)
(8) is driven to move and at the same time, a seedling for one plant is planted from the seedling mounting table (16) which is reciprocally slid left and right.
7), the seedlings are continuously planted.
【0008】また、図中(29)は主変速レバー、(3
0)は植付昇降レバー、(31)は植付け感度設定器、
(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条分均平用センターフロ
ート、(35)は2条分均平用サイドフロート、(3
6)は6条用の施肥装置である施肥機である。In the figure, (29) is a main shift lever, (3)
0) is a planting elevating lever, (31) is a planting sensitivity setting device,
(32) is a main clutch pedal, (33) and (33) are left and right brake pedals, (34) is a center float for two-row equalization, (35) is a side float for two-row equalization, and (3)
6) is a fertilizer applicator which is a fertilizer device for 6 rows.
【0009】さらに、図3、図4に示す如く、肥料を入
れる肥料ホッパ(37)と、肥料を供給する肥料繰出部
である肥料繰出ケース(38)と、フロート(34)
(35)の側条作溝器(39)にフレキシブル形搬送ホ
ース(40)を介して肥料を排出させるターボブロワー
型送風機(41)と、円筒形のエアタンク(42)と
を、前記施肥機(36)に備えると共に、エアタンク
(42)右側端に送風機(41)を取付け、6条分6組
の肥料繰出ケース(38)…をエアタンク(42)上側
に配設させている。Further, as shown in FIGS. 3 and 4, a fertilizer hopper (37) for adding fertilizer, a fertilizer feeding case (38) as a fertilizer feeding section for supplying fertilizer, and a float (34).
(35) A turbo blower-type blower (41) for discharging fertilizer through a flexible transfer hose (40) to a side striation groove device (39), and a cylindrical air tank (42) are connected to the fertilizer ( 36), a blower (41) is attached to the right end of the air tank (42), and six sets of six fertilizer feeding cases (38)... Are disposed above the air tank (42).
【0010】また、前記車体フレーム(3)後端の左右
支柱(43)上端間に横架する水平フレーム(44)両
側にベース取付板などを介して左右ベースフレーム(4
5)を連結させ、前後方向に略水平な前記ベースフレー
ム(45)後端部と車体フレーム(3)間にサイドステ
ー(46)を連結させ、左右ベースフレーム(45)
(45)に立設させる施肥フレーム(47)に施肥機
(36)を支持させている。A left and right base frame (4) is provided on both sides of a horizontal frame (44) extending between upper ends of left and right supports (43) at the rear end of the body frame (3) via a base mounting plate or the like.
5), a side stay (46) is connected between the rear end of the base frame (45), which is substantially horizontal in the front-rear direction, and the body frame (3), and the left and right base frames (45) are connected.
A fertilizer applicator (36) is supported by a fertilizer application frame (47) that is erected on (45).
【0011】図6に示す如く、前記繰出ケース(38)
の上面前側の取入口(50)に前記ホッパ(37)の下
部出口(51)を嵌着させると共に、前記繰出ケース
(38)前面下側に取出筒(52)を形成し、該取出筒
(52)の入口を開閉プラグ(53)によって閉塞して
いる。As shown in FIG. 6, the feeding case (38)
A lower outlet (51) of the hopper (37) is fitted into an inlet (50) on the front side of the upper surface of the upper case, and an outlet tube (52) is formed at the lower front side of the feed case (38). 52) is closed by an opening / closing plug (53).
【0012】また、前記繰出ケース(38)下面に前傾
状(上端側が前、下端側が後方向に傾斜)の底蓋(5
4)を着脱自在に固定させると共に、硬質合成樹脂製で
漏斗形の前記底蓋(54)下部にジョイント部(55)
を一体形成し、底蓋(54)とジョイント部(55)を
小さな口面積の出口(56)を介して連通させ、前記エ
アタンク(42)に前端を嵌着させる接合パイプ(5
7)後端にジョイント部(55)前端を連結接続させる
と共に、ジョイント部(55)後端に搬送ホース(4
0)を嵌着させ、前記送風機(41)からの空気をエア
タンク(42)からジョイント部(55)及びホース
(40)に吹出させ、底蓋(54)の出口(56)から
ジョイント部(55)中間に落下する肥料をホース(4
0)を介し作溝器(39)位置まで空気搬送するように
構成している。A bottom cover (5) inclined forward (the upper end is inclined forward and the lower end is inclined backward) is provided on the lower surface of the feeding case (38).
4) is detachably fixed, and a joint portion (55) is formed under the funnel-shaped bottom cover (54) made of hard synthetic resin.
And a joint pipe (5) for connecting the bottom cover (54) and the joint part (55) through an outlet (56) having a small mouth area to fit the front end to the air tank (42).
7) The front end of the joint (55) is connected and connected to the rear end, and the transfer hose (4) is connected to the rear end of the joint (55).
0), air from the blower (41) is blown out from the air tank (42) to the joint (55) and the hose (40), and the joint (55) is discharged from the outlet (56) of the bottom cover (54). ) Use fertilizer (4
It is configured so that the air is conveyed to the position of the groove making device (39) via 0).
【0013】さらに、取入口(58)を有する入口板
(59)と、同一円周上に複数の繰出口(60)…を有
する繰出板(61)と、排出口(62)を有する出口板
(63)を備え、略円形平板製の前記各板(59)(6
1)(63)を繰出ケース(38)と底蓋(54)の間
に前傾且つ多層状に配設させると共に、繰出ケース(3
8)の後側に繰出軸(64)を前傾姿勢で回転自在に軸
支させ、各板(59)(61)(63)の中央部に繰出
軸(64)下端側を貫通させ、入口板(59)と出口板
(63)を繰出ケース(38)に係止させ、各板(5
9)(63)に対して繰出軸(64)を遊転させると共
に、繰出板(61)を繰出軸(64)に係合軸支させ、
繰出軸(64)によって繰出板(61)を強制的に回転
させ、取入口(58)から繰出口(60)に入った肥料
を排出口(62)に移動させて出口(56)方向に落下
させるように構成している。Further, an inlet plate (59) having an inlet (58), a feed plate (61) having a plurality of outlets (60)... On the same circumference, and an outlet plate having a discharge port (62). (63), and each plate (59) (6) made of a substantially circular flat plate.
1) The (63) is disposed between the feeding case (38) and the bottom lid (54) in a forwardly inclined and multilayered manner, and the feeding case (3) is provided.
8) The feeding shaft (64) is rotatably supported on the rear side in a forwardly inclined posture, and the lower end of the feeding shaft (64) is made to pass through the center of each of the plates (59), (61) and (63), and the entrance is formed. The plate (59) and the outlet plate (63) are locked to the feeding case (38), and each plate (5
9) The feeding shaft (64) idles with respect to (63), and the feeding plate (61) is supported by the feeding shaft (64).
The feeding plate (61) is forcibly rotated by the feeding shaft (64), and the fertilizer that has entered the feeding port (60) from the intake port (58) is moved to the discharge port (62) and drops toward the outlet port (56). It is configured to be.
【0014】前記取出筒(52)の入口側下面に肥料取
出口(65)を開設し、取出筒(52)に開閉プラグ
(53)を摺動自在に内挿させ、開閉プラグ(53)一
端側の開閉操作体(66)を取出筒(52)より外側に
突出させ、操作体(66)の押込操作時にはプラグ(5
3)の外周面で取出口(65)を閉塞すると共に、操作
体(66)の前方向への引出操作時には取出口(65)
を開放して、繰出ケース(38)内の肥料を外部に排出
させるように構成している。A fertilizer outlet (65) is opened on the lower surface on the inlet side of the take-out cylinder (52), and an opening / closing plug (53) is slidably inserted into the take-out cylinder (52). The opening and closing operation body (66) on the side is protruded outward from the take-out cylinder (52), and when the operation body (66) is pushed in, the plug (5) is opened.
The outlet (65) is closed by the outer peripheral surface of (3), and the outlet (65) is closed when the operating body (66) is pulled out forward.
Is opened to discharge the fertilizer in the feeding case (38) to the outside.
【0015】図5乃至図7に示す如く、各繰出軸(6
4)に1対のベベルギヤ(67)と条止め及びユニット
用クラッチ(68)を介して左右方向の繰出駆動軸(6
9)を連動連結させると共に、該繰出駆動軸(69)に
1対のベベルギヤ(70)を介して施肥量調節機構を構
成する変速モータ式の施肥駆動モータ(71)を連結さ
せて、駆動モータ(71)の増減速制御でもって各繰出
軸(64)の回転を増減速させて繰出ケース(38)か
ら繰出される肥料繰出量の調節を行うように構成してい
る。As shown in FIGS. 5 to 7, each of the feeding shafts (6
4) A pair of bevel gears (67) and a left-right extending drive shaft (6) through a stopper and a unit clutch (68).
9) and a feeding motor (71) of a variable speed motor type constituting a fertilizing amount adjusting mechanism is connected to the feeding drive shaft (69) via a pair of bevel gears (70). With the acceleration / deceleration control of (71), the rotation of each feeding shaft (64) is increased / decreased to adjust the amount of fertilizer fed from the feeding case (38).
【0016】前記駆動モータ(71)は肥料ホッパ(3
7)の下方位置のホッパ(37)前後幅(H)内で、左
右に隣接する繰出ケース(38)間(本実施例では左側
より2つ目と3つ目のケース(38)間)にコンパクト
に配設して、この後方の植付部(15)が昇降しても植
付部(15)にモータ(71)を干渉させることなく良
好に保って、性能を安定維持させるように構成してい
る。なお、前記繰出駆動軸(69)にクランク及び一方
向クラッチなど有するリンク機構を介し駆動モータ(7
1)を連動連結させて、各繰出軸(64)を間欠回転さ
せる構成でも良い。The drive motor (71) is connected to the fertilizer hopper (3).
In the front and rear width (H) of the hopper (37) at the lower position of 7), between the left and right adjacent feeding cases (38) (in this embodiment, between the second and third cases (38) from the left side). It is arranged compactly so that even if the rear planting portion (15) moves up and down, the planting portion (15) is kept well without interfering with the motor (71) and the performance is stably maintained. are doing. The drive motor (7) is connected to the delivery drive shaft (69) via a link mechanism having a crank and a one-way clutch.
1) may be configured to interlock and rotate each of the feed shafts (64) intermittently.
【0017】図7、図8に示す如く、前記肥料ホッパ
(37)の上部には開閉支点軸(72)を介してホッパ
蓋(73)を開閉自在に取付けると共に、ホッパ(3
7)の各条貯留室(74)には内装ホッパ(75)を上
下動自在にそれぞれ配置させて、各内装ホッパ(75)
内に肥料を貯留するように構成している。As shown in FIGS. 7 and 8, a hopper lid (73) is attached to the upper part of the fertilizer hopper (37) via an opening / closing fulcrum shaft (72) so as to be openable and closable.
7) The interior hoppers (75) are arranged in each of the storage chambers (74) so as to be movable up and down.
It is configured to store fertilizer inside.
【0018】各内装ホッパ(75)は平面四角形状で外
装のホッパ(37)の各条貯留室(74)形状と相似に
形成し、上端外周に突出縁(75a)を、また下端略中
央に肥料排出口(76)を形成すると共に、下端傾斜底
面(75b)の前後及び左右上端位置の4箇所にガイド
部材であるガイド突条体(77)を一体形成している。
そして、前記ガイド突条体(77)を嵌合させるガイド
孔(78)を有するガイド部材であるガイド受体(7
9)を、肥料ホッパ(37)の各条貯留室(74)下部
の傾斜底面(37a)の上端位置に設けて、外装の肥料
ホッパ(37)に内装ホッパ(75)を嵌合させ、ガイ
ド受体(79)と突条体(77)とを嵌合させるとき、
内装ホッパ(75)を傾くことなく垂直姿勢状態で上下
動させるように構成している。Each of the interior hoppers (75) has a plane rectangular shape and is formed similarly to the shape of each of the strip storage chambers (74) of the exterior hopper (37). In addition to forming a fertilizer discharge port (76), a guide ridge (77) as a guide member is integrally formed at four positions at the front and rear and right and left upper ends of the lower inclined bottom surface (75b).
A guide receiver (7), which is a guide member having a guide hole (78) into which the guide ridge (77) is fitted.
9) is provided at the upper end position of the inclined bottom surface (37a) below each strip storage chamber (74) of the fertilizer hopper (37), and the interior hopper (75) is fitted to the external fertilizer hopper (37), and the guide is provided. When fitting the receiving body (79) and the ridge (77),
The interior hopper (75) is configured to move up and down in a vertical posture without tilting.
【0019】また肥料ホッパ(37)の上端縁と内装ホ
ッパ(75)の突出縁(75a)間に歪みゲージなどで
形成する複数の重量センサ(80)を介設するもので、
四角枠状のホッパ(37)上端縁及びホッパ(75)突
出縁(75a)間の枠中央4箇所に4つの重量センサ
(80)をコンパクトに配置させて、1条分1つの内装
ホッパ(75)の肥料重量の変化をこれら4つの重量セ
ンサ(80)で検出するように構成している。A plurality of weight sensors (80) formed by strain gauges or the like are interposed between the upper edge of the fertilizer hopper (37) and the projecting edge (75a) of the interior hopper (75).
Four weight sensors (80) are compactly arranged at four places in the center of the frame between the upper edge of the rectangular frame-shaped hopper (37) and the protruding edge (75a) of the hopper (75). ) Is detected by these four weight sensors (80).
【0020】そして図9に示す如く、単位当りの基準施
肥量b(kg/10a)を設定するダイヤル(81a)
式施肥量設定器(81)と、前記ミッションケース
(4)からの走行出力を検出する車速センサ(82)
と、植付クラッチの入操作に連動してオンとなる植付ス
イッチ(83)と、前記設定器(81)で設定される施
肥量をデジタル表示面(84a)に表示する施肥量表示
器(84)と、前記肥料ホッパ(37)内の肥料の一定
量以下や作業の異常を報知する警報ランプ(85)及び
ブザー(86)とを備え、前記重量センサ(80)と施
肥量設定器(81)と車速センサ(82)と植付スイッ
チ(83)とを施肥コントローラ(87)に接続させる
と共に、前記駆動モータ(71)の増減量回路(88)
(89)と、施肥量表示器(84)と、警報ランプ及び
ブザー(85)(86)とに接続させて、重量センサ
(80)の検出に基づいた施肥駆動モータ(71)の駆
動を行うように構成している。Then, as shown in FIG. 9, a dial (81a) for setting a standard fertilization amount b (kg / 10a) per unit.
A fertilizer setting device (81) and a vehicle speed sensor (82) for detecting a running output from the transmission case (4).
And a planting switch (83) that is turned on in conjunction with the operation of turning on the planting clutch, and a fertilizing amount display () that displays the fertilizing amount set by the setting device (81) on a digital display surface (84a). 84), an alarm lamp (85) and a buzzer (86) for notifying a certain amount or less of fertilizer in the fertilizer hopper (37) and an abnormal operation, and the weight sensor (80) and the fertilizer amount setting device ( 81), a vehicle speed sensor (82) and a planting switch (83) are connected to a fertilizer controller (87), and a circuit (88) for increasing or decreasing the drive motor (71).
(89), a fertilizer application amount display (84), an alarm lamp and buzzers (85), (86) to drive the fertilizer application motor (71) based on the detection of the weight sensor (80). It is configured as follows.
【0021】本実施例は上記の如く構成するものにし
て、図10のフローチャートに示す如く、植付クラッチ
の入時に連動して駆動モータ(71)も駆動して植付と
同時に施肥作業も開始するもので、前記設定器(87)
で施肥量が設定されるとき、その設定施肥量b(kg/
10a)が表示器(84)に表示され、次に重量センサ
(80)の検出値が一定時間(△t)毎に入力され、6
条分全てのデータが加算されて6条分内装ホッパ(7
5)の全重量が算出され、一定時間(△t)時間当りの
全重量差(△W)が変化量(施肥量)Q(g/s)(Q
=△W/△t)として算出される。This embodiment is constructed as described above, and as shown in the flow chart of FIG. 10, the drive motor (71) is driven in conjunction with the engagement of the planting clutch to start the fertilizing operation simultaneously with planting. The setting device (87)
When the fertilizer application rate is set at, the set fertilizer application rate b (kg /
10a) is displayed on the display (84), and then the detection value of the weight sensor (80) is input at regular intervals (Δt), and 6
All the data for the section are added and the interior hopper for 6 sections (7
5) The total weight is calculated, and the total weight difference (ΔW) per fixed time (Δt) time is changed (fertilization amount) Q (g / s) (Q
= △ W / △ t).
【0022】そしてこのとき、△t時間内の平均走行速
度v(m/s)、作業幅L(m)(条数より決定され
る)とすると、単位面積当りの施肥量a(kg/10
a)は、a=Q/v×Lで算出され、この施肥量aを設
定施肥量bに一致させる(b≒a)制御がモータ(7
1)によって行われて、設定施肥量(b)が一定維持さ
れる。At this time, assuming that the average running speed v (m / s) and the working width L (m) (determined from the number of strips) during the time Δt, the fertilization amount a (kg / 10
a) is calculated by a = Q / v × L, and the control for matching the fertilization amount a to the set fertilization amount b (b ≒ a) is performed by the motor (7).
1), the set fertilizer application amount (b) is kept constant.
【0023】而して該構成の場合、肥料ホッパ(37)
内の肥料の堆積高さなどの変化量から施肥量を検出する
ものに比べ、直接的に肥料重量を検出するからかさ比重
で重量に換算するなどの処理を不要にして施肥量の検出
精度を向上させることができる。In this case, the fertilizer hopper (37)
Compared to the method that detects the amount of fertilizer from the amount of change such as the pile height of fertilizer in the house, the fertilizer weight is directly detected. Can be improved.
【0024】またこの場合前記駆動モータ(71)はパ
ルス(デュティ変更)駆動によって回転を増減速制御す
ると共に、モータ(71)にはブレーカを内蔵して、過
負荷時には電源の通電は遮断させ、一定時間後に自動復
帰させる構成とするものである。Further, in this case, the drive motor (71) controls the rotation speed up and down by a pulse (duty change) drive, and a breaker is built in the motor (71) so that the power supply to the power supply is cut off when overloaded. It is configured to automatically return after a certain period of time.
【0025】図11、図12に示すものは、繰出ケース
(38)に中央の肥料流通穴(90)の面積を縮小及び
拡大する絞り機構(91)を内設して、絞り制御機構
(92)で絞り機構(91)を駆動して流通穴(90)
の面積を変化させることによって施肥量の調節を行う構
成を示すもので、前記重量センサ(80)や、搬送ホー
ス(40)など肥料搬送管路中の肥料流量を検出する流
量センサなどから実施肥量を算出し絞り制御機構(9
2)の駆動制御を行うように構成している。FIGS. 11 and 12 show a feeder case (38) provided with a throttle mechanism (91) for reducing and expanding the area of a central fertilizer flow hole (90), and a throttle control mechanism (92). ) To drive the aperture mechanism (91) to open the flow hole (90).
The fertilizer application amount is adjusted by changing the area of the fertilizer, and the fertilizer is applied from the weight sensor (80) or a flow sensor such as the transport hose (40) that detects the flow rate of the fertilizer in the fertilizer transport pipeline. The amount is calculated and the aperture control mechanism (9
It is configured to perform the drive control of 2).
【0026】また上述肥料ホッパ(37)には、取出筒
(52)下位置の繰出ケース(38)外側に回動支点軸
(93)を設けて、該支点軸(93)を中心として肥料
ホッパ(37)・繰出ケース(38)・エアタンク(4
2)など施肥機(36)を揺動可能に機体に支持させ
て、流通穴(90)を閉とさせて取出口(65)より肥
料排出時には支点軸(93)を中心にホッパ(37)を
前方向に傾け取出口(65)を下方向とさせて、肥料の
スムーズにして効率の良い排出を行うように構成してい
る。The above-mentioned fertilizer hopper (37) is provided with a rotation fulcrum shaft (93) outside the feeding case (38) below the take-out cylinder (52), and the fertilizer hopper is centered on the fulcrum shaft (93). (37) ・ Extending case (38) ・ Air tank (4
2) The fertilizer applicator (36) is swingably supported by the body, the flow hole (90) is closed, and when the fertilizer is discharged from the outlet (65), the hopper (37) is centered on the fulcrum shaft (93). Is tilted forward so that the outlet (65) is directed downward, so that the fertilizer is smoothed and discharged efficiently.
【0027】図13、図14に示すものは、溝式繰出ロ
ール(94)を繰出ケース(38)に内設する構成のも
ので、繰出溝(95)を外周に等間隔に複数有するロー
ル本体(96)と、繰出溝(95)に嵌合する爪部(9
7)を一端側に有するロール可動体(98)と、 該可
動体(98)にネジ結合させるネジ軸(99)と、該ネ
ジ軸(99)を回転する繰出量調節モータ(100)
と、前記ロール本体(96)を回転する繰出駆動機構
(101)とを備え、繰出ケース(38)の全幅内にロ
ール本体(96)を配置させて駆動機構(101)でロ
ール本体(96)を回転させることによって肥料の繰出
しを行うと共に、調節モータ(100)でネジ軸(9
9)を回転させて可動体(98)を移動させ、繰出溝
(95)と爪部(97)の嵌合長さを変化させて繰出溝
(95)の左右溝幅を縮小或いは拡大させることによっ
て、肥料繰出量を減少或いは増大させるように構成して
いる。而して本実施例においても、重量センサ(80)
で検出する実際の施肥量が設定より少ないとき或いは多
いとき、調節モータ(100)を正逆駆動制御し、繰出
溝(95)の作用溝幅を変化させて、施肥量を増減させ
設定施肥量に保つものである。またこの場合手動及び自
動の切換スイッチを設けて手動で施肥量を調節しても良
い。13 and 14 show a structure in which a groove type feeding roll (94) is provided inside a feeding case (38), and a roll body having a plurality of feeding grooves (95) on the outer periphery at equal intervals. (96) and the claw (9) fitted into the feeding groove (95).
7) a roll movable body (98) having one end side, a screw shaft (99) screw-coupled to the movable body (98), and a feed amount adjusting motor (100) for rotating the screw shaft (99).
And a feeding drive mechanism (101) for rotating the roll body (96). The roll body (96) is disposed within the entire width of the feeding case (38), and the roll body (96) is driven by the drive mechanism (101). The fertilizer is fed out by rotating the screw shaft and the screw shaft (9) is adjusted by the adjusting motor (100).
9) is rotated to move the movable body (98) and change the fitting length between the feeding groove (95) and the claw portion (97) to reduce or enlarge the width of the left and right grooves of the feeding groove (95). Thus, the fertilizer feeding amount is configured to be reduced or increased. Thus, also in this embodiment, the weight sensor (80)
When the actual amount of fertilization detected in step (1) is smaller or larger than the set value, the control motor (100) is driven forward and reverse to change the action groove width of the feed groove (95) to increase or decrease the amount of fertilization to set the fertilization amount. To keep. In this case, a manual and automatic changeover switch may be provided to manually adjust the fertilization amount.
【0028】[0028]
【発明の効果】以上実施例から明らかなように本発明
は、肥料ホッパ(37)に上下動自在に内設させる内装
ホッパ(75)の重量変化の検出に基づいて肥料繰出量
を検知する重量センサ(80)と、内装ホッパ(75)
の肥料繰出量を調節する施肥量調節機構(71)とを備
え、前記重量センサ(80)の検出に基づいて施肥量調
節機構(71)を駆動制御するものであるから、作業中
にも重量センサ(80)でもってこの施肥機(36)の
施肥量を容易に検出しリアルタイムに調節機構(71)
を制御して、施肥作業中圃場に必要とする適正施肥量を
常に保って、稲など作物を略均一の圃場環境条件下で良
好に生育させて、作物の生産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 is a weight detecting method for detecting the amount of fertilizer dispensed based on the detection of a weight change of an interior hopper (75) which is vertically movable inside the fertilizer hopper (37). Sensor (80) and interior hopper (75)
And a fertilizer application control mechanism (71) for adjusting the amount of fertilizer to be fed out. The fertilizer application control mechanism (71) is driven and controlled based on the detection of the weight sensor (80). The sensor (80) easily detects the fertilizer application amount of the fertilizer applicator (36) and adjusts in real time the adjusting mechanism (71).
Can maintain the proper amount of fertilization required in the field during fertilization work, and grow crops such as rice satisfactorily under substantially uniform field environment conditions, thereby improving crop productivity. It is.
【0029】また、内装ホッパ(75)を上下動自在に
肥料ホッパ(37)に支持するガイド部材(77)(7
9)を設けると共に、肥料及び内装ホッパ(37)(7
5)間に重量センサ(80)を介設したものであるか
ら、ガイド部材(77)(79)によって内装ホッパ
(75)の傾きを防止した正確な上下動作を行わせて重
量センサ(80)の検出精度を向上させると共に、重量
センサ(80)を肥料ホッパ(37)内に容易に組込ん
で構造のコンパクト化を図ることができるものである。Further, guide members (77) (7) for supporting the interior hopper (75) on the fertilizer hopper (37) so as to be vertically movable.
9) and fertilizer and interior hopper (37) (7)
5) Since the weight sensor (80) is interposed between the weight sensors (80), the guide members (77) and (79) allow the vertical movement of the interior hopper (75) to be prevented while preventing the inclination of the interior hopper (75). And the weight sensor (80) can be easily incorporated into the fertilizer hopper (37) to reduce the size of the structure.
【0030】さらに、施肥量調節機構(71)を肥料ホ
ッパ(37)下方位置のホッパ(37)前後幅(H)内
で左右ホッパ(37)の繰出部(38)間に配設したも
のであるから、施肥機(36)をコンパクト構造とさせ
て、田植機体に対する装着を容易に可能とさせると共
に、田植機体後方の植付部(15)の昇降時にも調節機
構(71)を干渉させることなく性能を安定維持させる
ことができるものである。Further, the fertilizer application amount adjusting mechanism (71) is disposed between the feeding portions (38) of the left and right hoppers (37) within the front-rear width (H) of the hopper (37) below the fertilizer hopper (37). Therefore, the fertilizer applicator (36) is made to have a compact structure so that it can be easily mounted on the rice transplanting machine, and at the same time, the adjusting mechanism (71) interferes when the planting section (15) behind the rice transplanting machine moves up and down. And the performance can be stably maintained.
【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】施肥機の背面図。FIG. 4 is a rear view of the fertilizer applicator.
【図5】繰出ケース部の断面説明図。FIG. 5 is an explanatory sectional view of a feeding case portion.
【図6】駆動モータ部の説明図。FIG. 6 is an explanatory diagram of a drive motor unit.
【図7】肥料ホッパ部の断面説明図。FIG. 7 is an explanatory sectional view of a fertilizer hopper.
【図8】肥料ホッパ部の分解説明図。FIG. 8 is an exploded view of the fertilizer hopper.
【図9】制御回路図。FIG. 9 is a control circuit diagram.
【図10】フローチャート。FIG. 10 is a flowchart.
【図11】他の繰出部の説明図。FIG. 11 is an explanatory view of another feeding section.
【図12】他の繰出部の説明図。FIG. 12 is an explanatory view of another feeding section.
【図13】他の繰出部の説明図。FIG. 13 is an explanatory view of another feeding section.
【図14】繰出ロールの説明図。FIG. 14 is an explanatory diagram of a feeding roll.
(37) 肥料ホッパ (38) 繰出ケース(繰出部) (71) 駆動モータ(施肥量調節機構) (75) 内装ホッパ (77) 突条体(ガイド部材) (79) 受体(ガイド部材) (80) 重量センサ (H) 幅 (37) Fertilizer hopper (38) Feeding case (feeding part) (71) Drive motor (fertilizer application amount adjusting mechanism) (75) Interior hopper (77) Ridge (guide member) (79) Receiver (guide member) ( 80) Weight sensor (H) Width
───────────────────────────────────────────────────── フロントページの続き (72)発明者 岡田 悟 大阪市北区茶屋町1番32号 ヤンマー農機 株式会社内 Fターム(参考) 2B052 BC05 BC08 BC09 BC16 CA14 DB08 DC02 DC05 DC12 DC16 DC17 DD02 DD03 EA02 EA18 EB08 EB12 EB13 EB14 2B060 AA01 AC03 BA04 BA09 BB07 BB08 DA02 DA05 DA06 DA07 DA10 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Satoru Okada 1-32 Chaya-cho, Kita-ku, Osaka-shi F-term (reference) 2B052 BC05 BC08 BC09 BC16 CA14 DB08 DC02 DC05 DC12 DC16 DC17 DD02 DD03 EA02 EA18 EB08 EB12 EB13 EB14 2B060 AA01 AC03 BA04 BA09 BB07 BB08 DA02 DA05 DA06 DA07 DA10
Claims (3)
装ホッパの重量変化の検出に基づいて肥料繰出量を検知
する重量センサと、内装ホッパの肥料繰出量を調節する
施肥量調節機構とを備え、前記重量センサの検出に基づ
いて施肥量調節機構を駆動制御するように構成したこと
を特徴とする施肥機。1. A weight sensor for detecting a fertilizer feeding amount based on a weight change detection of an interior hopper provided inside a fertilizer hopper so as to be vertically movable, and a fertilizing amount adjusting mechanism for adjusting a fertilizer feeding amount of the interior hopper. A fertilizer applicator, wherein the fertilizer control mechanism is driven and controlled based on the detection of the weight sensor.
支持するガイド部材を設けると共に、肥料及び内装ホッ
パ間に重量センサを介設したことを特徴とする請求項1
記載の施肥機。2. The apparatus according to claim 1, further comprising: a guide member for supporting the interior hopper on the fertilizer hopper so as to be vertically movable, and a weight sensor interposed between the fertilizer and the interior hopper.
Fertilizer as described.
ホッパ前後幅内で左右ホッパの繰出部間に配設したこと
を特徴とする請求項1及び2記載の施肥機。3. The fertilizer applicator according to claim 1, wherein the fertilizer application amount adjusting mechanism is disposed between the feeding portions of the left and right hoppers within the front-rear width of the hopper below the fertilizer hopper.
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Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000216831A JP2002034312A (en) | 2000-07-18 | 2000-07-18 | Fertilizer-applying machine |
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Publication Number | Publication Date |
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Family
ID=18712027
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Cited By (8)
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JP2005229887A (en) * | 2004-02-19 | 2005-09-02 | National Agriculture & Bio-Oriented Research Organization | Fertilizer applicator and method of fertilizer application |
WO2005115125A1 (en) * | 2004-05-25 | 2005-12-08 | Yanmar Co., Ltd. | Sulky rice transplanter |
JP2011083247A (en) * | 2009-10-16 | 2011-04-28 | Matsuyama Plow Mfg Co Ltd | Agricultural implement |
JP2015065889A (en) * | 2013-09-27 | 2015-04-13 | 株式会社クボタ | Paddy field working machine |
JP2016036271A (en) * | 2014-08-06 | 2016-03-22 | ヤンマー株式会社 | Granular material scattering apparatus, and scattering mobile vehicle having the same |
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