JPS591456Y2 - Wheel lifting device in rice transplanter - Google Patents
Wheel lifting device in rice transplanterInfo
- Publication number
- JPS591456Y2 JPS591456Y2 JP14998278U JP14998278U JPS591456Y2 JP S591456 Y2 JPS591456 Y2 JP S591456Y2 JP 14998278 U JP14998278 U JP 14998278U JP 14998278 U JP14998278 U JP 14998278U JP S591456 Y2 JPS591456 Y2 JP S591456Y2
- Authority
- JP
- Japan
- Prior art keywords
- swing
- wheels
- center
- wheel
- rice transplanter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Landscapes
- Transplanting Machines (AREA)
Description
【考案の詳細な説明】
本考案は田植機における車輪上下装置に係るものである
。[Detailed Description of the Invention] The present invention relates to a wheel lifting device for a rice transplanter.
従来、この種の田植機における車輪上下装置において、
左右のスイングケースに一端が枢支される連結杆の他端
を両側に枢支する左右方向の揺動杆を、車輪昇降装置の
前後方向に延びる伸縮軸に装着の支点軸を中心にして揺
動自在に設け、前記揺動杆の一側に設けた複数の保合孔
に択一的に挿入する係止ピンを介してスイング車輪の左
右を、同一高さ状態と段差状態とに切換るべく構成した
ものが提案されている。Conventionally, in the wheel up and down device of this type of rice transplanter,
The left and right swinging rods, one end of which is pivotally supported on the left and right swing cases, and the other end of which is pivotally supported on both sides, are swung around a fulcrum shaft attached to a telescoping shaft extending in the front and back direction of the wheel lifting device. The left and right sides of the swing wheel are switched between a state of the same height and a state of difference through a locking pin that is movably provided and selectively inserted into a plurality of retaining holes provided on one side of the swinging rod. A system with a suitable structure has been proposed.
ところが、一般に田植機においては、機体の重心をでき
るだけ機体の中心に合せるのが好ましいが、機体に備え
る多数の部材をすべて機体の中心線上に配列したのでは
機体の全長が長くなってしまい、又、必然的に配列位置
の定まっている部材もあるため、関連する諸機構をバラ
ンスよく配列して機体をコンパクトにまとめるのは非常
に難しく、往々にして重心が機体の左右方向いずれか一
方に偏在せさ゛るを得なった。However, in general, in rice transplanters, it is preferable to align the center of gravity of the machine to the center of the machine as much as possible, but if all of the numerous parts included in the machine were arranged on the center line of the machine, the overall length of the machine would become long. Since some parts inevitably have fixed positions, it is extremely difficult to arrange the related mechanisms in a well-balanced manner to make the aircraft compact, and the center of gravity is often unevenly located on either the left or right side of the aircraft. I had no choice but to let it go.
このように、機体の重心が左右方向の一方に偏在した田
植機では、左右のスイング車輪に連動する連結杆等に存
在する遊隙やたわみ、および係止ピンを係合孔に入れ易
くする遊隙等の集積によるスイング車輪の左右間の遊動
分だけ重心偏在側に向けて機体が傾斜し、耕盤が水平状
態の圃場における機体の走行では機体が蛇行する結果、
苗植付条が蛇行する欠点がある。In this way, in a rice transplanter where the center of gravity of the machine body is unevenly distributed to one side in the left and right direction, there is play or deflection that exists in the connecting rods that interlock with the left and right swing wheels, and play that makes it easier to insert the locking pin into the engagement hole. The machine body tilts toward the side where the center of gravity is unevenly distributed by the amount of free movement between the left and right swing wheels due to the accumulation of gaps, etc., and when the machine runs in a field with the tiller in a horizontal state, the machine meanders.
There is a drawback that the seedling planting rows meander.
本考案は上述の如き欠点を解消すべく創案されたもので
あって、その目的とするところは、機体重心が左右方向
のいずれか一方に偏在している田植機の機体蛇行を常に
防止して整然と植付けることができる田植機における車
輪上下装置を提供するにある。This invention was devised to solve the above-mentioned drawbacks, and its purpose is to always prevent meandering of the rice transplanter machine whose center of gravity is unevenly distributed in either the left or right direction. To provide a wheel up-and-down device for a rice transplanter that enables orderly planting.
上記目的を遠戚する本考案の田植機における車輪上下装
置は、機体の重心位置が機体中心より左右方向いずれか
一方に偏在している田植機であつて、車輪を支架する左
右のスイングケース一端が枢支された連結杆の他端を両
側で枢支する左右方向の揺動杆を、車輪昇降装置の前後
方向に延びる伸縮軸に装着の支点軸を中心にして揺動自
在に設け、前記揺動杆の一側に設けた複数の保合孔に択
一的に挿入する係止ピンを介してスイング車輪の左右を
、同一高さ状態と段差状態とに切換可能に構成したもの
において、前記左右のスイング車輪を同一高さ状態にす
る係合孔を重心が偏在している側の車輪を下降させる方
向に偏寄させて機体を水平に保持すべく構成したことを
特徴とするものである。The wheel up-and-down device of the rice transplanter of the present invention, which is distantly related to the above object, is a rice transplanter in which the center of gravity of the machine body is unevenly located in either the left or right direction from the center of the machine body, and one end of the left and right swing cases that support the wheels. A swinging rod in the left-right direction that pivots on both sides the other end of the connecting rod on which the wheel lifting device is pivoted is provided to be swingable about a fulcrum shaft attached to a telescoping shaft extending in the front-rear direction of the wheel lifting device. In a structure in which the left and right sides of the swing wheel can be switched between the same height state and the stepped state through locking pins that are selectively inserted into a plurality of retaining holes provided on one side of the swinging rod, The machine is characterized in that the engagement hole that brings the left and right swing wheels to the same height is biased in a direction that lowers the wheel on the side where the center of gravity is unevenly distributed, so as to hold the aircraft horizontally. be.
本考案の構成を図面に示された一実施例について説明す
れば、1は田植機本体であって、その前部にはエンジン
2が搭載され、かつ後部には運転操作バンドル3が後方
斜め上方へ向は延設されており、上記バンドル3の前方
には苗載台4が前低後高状に架設されている。To explain the structure of the present invention with reference to an embodiment shown in the drawings, 1 is a rice transplanter main body, an engine 2 is mounted on the front part of the machine, and an operation control bundle 3 is mounted on the rear part diagonally upward. The bundle 3 is extended outward, and a seedling stand 4 is installed in front of the bundle 3 so as to be low in the front and high in the rear.
5は苗分割植込機構であって、該苗分割植込機構5の植
付爪6は所定の運動軌跡をえかいて苗載台4上に載置さ
れたマット状集団苗から単位植付株あての苗に分割して
円面に植付ける作用をするものである。Reference numeral 5 denotes a seedling division and planting mechanism, and the planting claws 6 of the seedling division and planting mechanism 5 perform unit planting from the mat-like clustered seedlings placed on the seedling platform 4 by tracing a predetermined movement trajectory. It works by dividing the seedlings into seedlings and planting them in a circle.
7は円面滑走体、3はスイングケースであって、該スイ
ングケース8の基端部は水平横軸9を介して上下方向揺
動自在に枢着され、その遊端部側には機体推進用のスイ
ング車輪10.10が軸支されており、該スイング車輪
10.10は前記エンジン2の回動に連動して回転する
ようになっている。7 is a circular sliding body; 3 is a swing case; the base end of the swing case 8 is pivoted to be vertically swingable via a horizontal horizontal shaft 9; A swing wheel 10.10 is pivotally supported, and the swing wheel 10.10 rotates in conjunction with the rotation of the engine 2.
11は車輪昇降装置であって、該車輪昇降装置11は油
圧シリンダー12、油圧ラム13、該油圧ラム13に一
体的に突成された伸縮軸14、油圧ポンプ(図示省略)
等により構成されており、運転バンドル3の一側に設け
られた操作レバー15の操作により伸縮軸14を機体前
後方向に伸縮作動するようになっている。Reference numeral 11 denotes a wheel lifting device, and the wheel lifting device 11 includes a hydraulic cylinder 12, a hydraulic ram 13, a telescoping shaft 14 integrally projecting from the hydraulic ram 13, and a hydraulic pump (not shown).
By operating a control lever 15 provided on one side of the operating bundle 3, the telescopic shaft 14 is extended and contracted in the longitudinal direction of the aircraft body.
16は上記伸縮軸14に摺動自在に装着された支点部材
であって、該支点部材16には上下方向の支点軸16
aが突成されると共に、支点部材16は伸縮軸14に嵌
装された弾機17によって弾発されている。16 is a fulcrum member slidably attached to the telescopic shaft 14, and the fulcrum member 16 has a fulcrum shaft 16 in the vertical direction.
a is projected, and the fulcrum member 16 is ejected by a projectile 17 fitted to the telescopic shaft 14.
17a、17bは弾機の受座である。18は断面コ字形
の揺動杆であって、該揺動杆18の中央部に沙19が設
けられると共に、切欠部20が杉皮されており、揺動杆
18は上記穴19を介して前記伸縮軸14に遊嵌される
と共に、切欠部20によって、支点部材16の支点軸1
6 aに弾発枢支されており、水平方向揺動自在に構成
されている。17a and 17b are seats for the ammunition. Reference numeral 18 denotes a swinging rod having a U-shaped cross section, and a groove 19 is provided at the center of the swinging rod 18, and a notch 20 is made of cedar bark. The fulcrum shaft 1 of the fulcrum member 16 is loosely fitted onto the telescopic shaft 14 and is formed by the notch 20.
6a, and is configured to be swingable in the horizontal direction.
この揺動杆1Bの左右両端には夫々連結杆21.22が
枢結されており、該連結杆21.22の他端は、前記ス
イング車輪10.10の水平横軸9に設けられた揺動ア
ーム23.23に枢結されており、揺動杆18の左右両
端は夫々左右のスイング車輪10.10に連動連結され
ている。Connecting rods 21.22 are pivotally connected to both left and right ends of the swinging rod 1B, and the other ends of the connecting rods 21.22 are connected to the swinging rod 21.22 provided on the horizontal transverse shaft 9 of the swing wheel 10.10. It is pivotally connected to a movable arm 23.23, and both left and right ends of the swing rod 18 are operatively connected to left and right swing wheels 10.10, respectively.
21a、22aは揺動杆1Bと連結杆21.22とを枢
結する枢支ピンである。21a and 22a are pivot pins that pivotally connect the swinging rod 1B and the connecting rods 21 and 22.
尚、連結杆21.22は上下左右の動きをするのでそれ
ら連結杆21.22の両端部はある程度の遊隙をもって
枢結されている。Since the connecting rods 21 and 22 move vertically and horizontally, both ends of the connecting rods 21 and 22 are pivotally connected with a certain amount of play.
24は連結杆21の生先端部に設けられた係止部材であ
って、該係止部材24の舌片状の先端部は揺動杆18の
端部に設けられた長孔25内にのぞんでおり、該長孔2
5の左右の側端25a。Reference numeral 24 denotes a locking member provided at the free end of the connecting rod 21, and the tongue-shaped tip of the locking member 24 extends into a long hole 25 provided at the end of the swinging rod 18. and the long hole 2
The left and right side edges 25a of 5.
25 bと係止部材24との接当により、揺動杆1Bの
左右の揺動を規制するようになっている。The contact between the locking member 25b and the locking member 24 restricts the left and right swinging of the swinging rod 1B.
26は揺動杆18と連結杆21.22とを固定する、す
なわち、左右のスイング車輪10.10を一体化する係
止機構であって、該係止機構26は、前記係止部材24
の基部に設けたボス24 aに揺動朝に装着された係止
ピン27と揺動杆18の一側端部に設けられた3個の係
合孔28 a、 28 b、 28 Cより構成されて
おり、これらの係合孔28 a、 28 b、 28
Cに係止ピン27を択一的に挿入することにより左目の
スイング車輪10.10を同一高さの状態と、段差状態
とに切換え可能となっている。Reference numeral 26 denotes a locking mechanism for fixing the swinging rod 18 and the connecting rods 21.22, that is, for integrating the left and right swing wheels 10.10.
Consisting of a locking pin 27 attached to a boss 24a provided at the base of the swinging rod, and three engaging holes 28a, 28b, and 28C provided at one end of the swinging rod 18. These engaging holes 28 a, 28 b, 28
By selectively inserting the locking pin 27 into C, the left eye swing wheel 10.10 can be switched between a state of the same height and a state of a difference in height.
すなわち、この3個の係合孔28 a、 28 b、
28 Cノうち、外側2個の係合孔28 a、 28
Cは、揺動杆18を支点軸16 aを支点として左右同
一角度に揺動させた状態で夫々係止ピン27と係合して
スイング車輪10.10を左右段差状態に固定するよう
になっている。That is, these three engagement holes 28a, 28b,
28 C, two outer engagement holes 28 a, 28
C engages with the locking pins 27 while swinging the swinging rods 18 at the same angle on the left and right using the fulcrum shaft 16a as a fulcrum, thereby fixing the swing wheels 10.10 in a stepped state between the left and right sides. ing.
つまり、これら2個の係合孔28a、28Cが夫々係止
ピン27に係合した状態では、揺動杆1Bと連結杆21
.22との間および連結杆21.22と前記揺動アーム
23.23との間等における遊隙等の集積により左右の
スイング車輪10.10間に生じる遊動弁を含んだスイ
ング車輪10.10左右間における同一段差を夫々保持
して機体を支持するようになっている。That is, in a state where these two engagement holes 28a and 28C are engaged with the locking pin 27, respectively, the swinging rod 1B and the connecting rod 21
.. 22 and between the connecting rod 21.22 and the swing arm 23.23, the swing wheel 10.10 includes an idle valve that is generated between the left and right swing wheels 10.10 due to the accumulation of play, etc. between the connecting rod 21.22 and the swing arm 23.23. The aircraft is supported by maintaining the same level difference between the two.
そして、上記外側2個の保合孔28 a、 28Cの間
にある内側の係合孔28 bは、スイング車輪10.1
0を左右同一高さに固定するものであるが、特に揺動杆
18が支点軸16 aを支点として左右いずれかに若干
傾斜した状態で係止ピン27と係合するようになってい
る。The inner engagement hole 28b located between the two outer retention holes 28a and 28C is connected to the swing wheel 10.1.
0 is fixed at the same height on the left and right sides, but in particular, the swinging rod 18 engages with the locking pin 27 while being slightly inclined to either the left or right with the fulcrum shaft 16a as a fulcrum.
すなわち、第4図に示すように、保合孔27は外側2個
の係合孔28a、28Cの中央位置から左右のスイング
車輪10.10間における遊動分に相当する距離δだけ
、機体重心の左右シ>ftV%D偏心に応じて重心が偏
在した側のスイング車輪10を下降させるように係合孔
28a。That is, as shown in FIG. 4, the retaining hole 27 moves from the center position of the two outer engaging holes 28a and 28C to the center of gravity of the machine by a distance δ corresponding to the free movement between the left and right swing wheels 10 and 10. The engagement hole 28a is configured to lower the swing wheel 10 on the side where the center of gravity is unevenly distributed according to the eccentricity of the left and right side>ftV%D.
28 aのいずれかに偏寄しており、該係合孔28 b
による係合作用時、機体重心の偏心によってスイング車
輪10.10間の遊動分だけ機体が傾斜するのを防止し
て水平状に保持するようになっている。28a, and the engagement hole 28b
When engaged, the machine body is prevented from tilting by the amount of play between the swing wheels 10 and 10 due to the eccentricity of the center of gravity of the machine, and is held horizontally.
29は係止ピン27の戻しバネ、30は係止ピン27に
連結されたワイヤーであって、該ワイヤー30は運転バ
ンドル3に設けられた操作レバー31に連結されており
、該操作レバー31の操作によって、係止ピン27の係
合孔28 a、 28 b、 28 Cへの離脱操作を
行うようになっている。29 is a return spring for the locking pin 27; 30 is a wire connected to the locking pin 27; the wire 30 is connected to an operating lever 31 provided on the driving bundle 3; By the operation, the locking pin 27 is disengaged from the engagement holes 28a, 28b, and 28C.
次に叙上の如く構成された本考案の作用について説明す
る。Next, the operation of the present invention constructed as described above will be explained.
通常の平坦面での田植作業にあたっては、操作レバー3
1の操作により係止ピン27を2番目の保合孔28 b
に挿通しておく。For normal rice planting work on a flat surface, use the operating lever 3.
1, the locking pin 27 is inserted into the second retaining hole 28b.
Insert it into.
この状態では、左右のスイング車輪10.10は揺動杆
18、連結杆21.22等を介して一体化されるのであ
るが、スイング車輪10.10左右間には、連結杆21
.22等における遊隙やたわみの集積に相当するだけの
遊動が在るから、従来のように、単に内側の係合孔28
bを外側2個の係合孔28a、28C間の中央に設けた
ものでは、第8図Aに示すように、機体は機体重心Gの
在る側に上記遊動分だけ傾くため傾いた側のスイング車
輪10は機体に対してそれだけ上動したこととなるので
左右のスイング車輪10゜10は機体に対して同一高さ
とはならず、機体は水平な地面に対して傾斜状に保持さ
れるのであるが、本願のものにおいて、係合孔28 b
は外側2個の係合孔28a、28Cの中央位置から左右
のスイング車輪10.10間における遊動分に相当する
距離δだけ機体重心の左右いずれかの偏心に応じて偏倚
しているから、同図Bに示すように、機体重心G側のス
イング車輪10の上動を補償することができるため、機
体は水平な地面に対して水平状に保持され、従って、平
坦地での田植作業における機体の蛇行を防止して走行を
円滑適正になし得るものである。In this state, the left and right swing wheels 10.10 are integrated via the swinging rod 18, the connecting rod 21, 22, etc., but between the left and right swing wheels 10.10, the connecting rod 21.
.. Since there is play equivalent to the accumulation of play and deflection in the 22, etc., it is necessary to simply insert the inner engagement hole 28 as in the conventional case.
In the case where the hole b is provided in the center between the two outer engagement holes 28a and 28C, as shown in FIG. Since the swing wheel 10 has moved upward by that much relative to the aircraft body, the left and right swing wheels 10°10 are not at the same height relative to the aircraft body, and the aircraft body is held at an angle with respect to the horizontal ground. However, in the present application, the engagement hole 28 b
is offset by a distance δ corresponding to the free movement between the left and right swing wheels 10.10 from the center position of the two outer engagement holes 28a and 28C, depending on the eccentricity of either the left or right of the center of gravity of the machine. As shown in Figure B, since the upward movement of the swing wheel 10 on the G side of the center of gravity of the machine can be compensated for, the machine body can be held horizontally with respect to the horizontal ground, and therefore, the machine body can be held horizontally on the horizontal ground. This prevents meandering and allows for smooth and proper running.
この状態で操作レバー15を操作して車輪昇降装置11
の伸縮軸14を伸縮作動せしめれば、伸縮軸14は揺動
杆18、連結杆21.22等を介して左右のスイング車
輪10.10を同時に上下動せしめ、機体を昇降せしめ
るものである。In this state, operate the operating lever 15 to raise and lower the wheel lifting device 11.
When the telescopic shaft 14 is telescopically operated, the telescopic shaft 14 simultaneously moves the left and right swing wheels 10, 10 up and down via the swinging rod 18, connecting rods 21, 22, etc., thereby raising and lowering the aircraft.
そして、田植作業中、圃場の凹凸に対しては、揺動杆1
8を弾発する弾機17によって揺動杆18を介してスイ
ング車輪10.10のクッション作用がなされ、機体を
円滑に走行せしめるものである。During rice transplanting, the swing rod 1 is used to deal with irregularities in the field.
The swing wheels 10, 10 are cushioned by the bombs 17 that eject the swing rods 18, allowing the aircraft to run smoothly.
また、耕盤が傾斜しておる畦際等を走行する場合のよう
に、左右のスイング車輪の機体に対する相対高さを異な
らせて機体を水平状に保持するような場合には、係止ピ
ン27を係合孔28 bから離脱せしめ、水平な地面に
対して運転バンドル3をもって機体を左右に傾ければ、
機体傾斜側のスイング車輪10が上動し、これに伴ない
、連結杆21又は22を介して揺動杆18が揺動され、
これにより、連結杆22又は21を介して対向側のスイ
ング車輪10が下動するのであるが、この揺動杆18の
揺動により係止部材24は長孔25の側端25a又は2
5bと接当するから、これにより揺動杆1Bの揺動が規
制されるため、スイング車輪10.10の互い違いの上
下部揺動は停止され、このとき操作レバー31の操作に
より係止ピン27を係合孔28 a又は28Cに挿入す
れば、揺動杆1責連結杆21.22とは一体化され、左
右のスイング車輪は機体に対する相対高さを異ならせた
状態に保持されるものである。In addition, when the left and right swing wheels are held at different relative heights to the machine body to hold the machine horizontally, such as when the plowing platform runs along a sloping ridge, etc., the locking pin 27 from the engagement hole 28b, and tilt the machine to the left and right with the driving bundle 3 against the horizontal ground.
The swing wheel 10 on the tilting side of the aircraft moves upward, and the swinging rod 18 is accordingly swung via the connecting rod 21 or 22.
As a result, the swinging wheel 10 on the opposite side moves downward via the connecting rod 22 or 21, and the swinging of the swinging rod 18 causes the locking member 24 to move toward the side end 25a or 25a of the elongated hole 25.
5b, this restricts the swinging of the swinging rod 1B, so that the alternating vertical and downward swinging of the swing wheels 10.10 is stopped. When inserted into the engagement hole 28a or 28C, the swinging rod 1 is integrated with the connecting rod 21.22, and the left and right swing wheels are held at different heights relative to the fuselage. be.
そして、上記外側2個の係合孔28 a又は28 Cに
よる係止作用時にあっては、いずれの場合においても、
上動側のスイング車輪は、スイング車輪左右間の遊動分
を含んで上動するから、スイング車輪10.10間にお
ける段差を夫々同一に保持することができるのものであ
る。In any case, when the two outer engaging holes 28a or 28C are engaged,
Since the swing wheels on the upward movement side move upward including the free movement between the left and right swing wheels, the height difference between the swing wheels 10 and 10 can be kept the same.
これを要するに本考案は、機体の重心位置が機体中心よ
り左右方向いずれか一方に偏在している田植機であって
、車輪を支架する左右のスイングケースに一端が枢支さ
れた連結杆の他端を両側で枢支する左右方向の揺動杆を
、車輪昇降装置の前後方向に延びる伸縮軸に装着の支点
軸を中心にして揺動自在に設け、前記揺動杆の一側に設
けた複数の保合孔に択一的に挿入する係止ピンを介して
スイング車輪の左右を、同一高さ状態と段差状態とに切
換可能に構成したものにおいて、前記左右のスイング車
輪を同一高さ状態にする係合孔を重心が偏在している側
の車輪を下降させる方向に偏寄させて機体を水平に保持
すべく構成しであるから、機体重心位置が左右方向のい
ずれか一方に偏在している田植機であっても、左右のス
イング車輪を同一高さ状態にする揺動杆−側の係合孔を
、重心が偏在している側のスイング車輪を下降させる方
向に偏倚させることによって、機体を水平状態に維持し
、機体の蛇行を防止して整然と植付けることができる。In short, the present invention is a rice transplanter in which the center of gravity of the machine body is unevenly distributed in either the left or right direction from the center of the machine body, and the rice transplanter has a connecting rod with one end pivotally supported on the left and right swing cases supporting the wheels. A swinging rod in the left and right direction, whose ends are pivoted on both sides, is provided to be swingable about a fulcrum shaft attached to a telescoping shaft extending in the front-rear direction of the wheel lifting device, and provided on one side of the swinging rod. The left and right swing wheels are configured to be switchable between the same height state and the stepped state through locking pins that are selectively inserted into a plurality of retaining holes, wherein the left and right swing wheels are set at the same height. The structure is such that the machine body is held horizontally by shifting the engagement hole in the direction of lowering the wheel on the side where the center of gravity is unevenly distributed, so that the center of gravity position of the machine body is unevenly distributed in either the left or right direction. Even if the rice transplanter is equipped with a rice transplanter, the engaging hole on the swinging rod side that brings the left and right swing wheels to the same height should be biased in the direction of lowering the swing wheel on the side where the center of gravity is unevenly distributed. This allows you to maintain the machine in a horizontal state, prevent it from meandering, and plant in an orderly manner.
図面は本考案に係る田植機における車輪上下装置の一実
施例を示すもので、第1図は田植機の全体側面図、第2
図は要部の平面図、第3図は同じく側面図、第4図は要
部の拡大平面図、第5図は同じく斜視図、第6図は第4
図におけるA−A線断面図、第7図は同じ<B−B線断
面図、第8図A、 Bは作用説明一部平面一部側面図で
ある。
図中、1は植機本体、4は苗載台、5は植付装置、8は
スイングケース、10はスイング車輪、11は車輪昇降
装置、12は油圧シリンダー、13は油圧ラム、14は
伸縮軸、16は支点部材、17は弾機、18は揺動杆、
21.22は連結杆、23は揺動アーム、24は係止部
材、25は長孔、26は係止機構、27は係止ピン、2
8 a、 28 b、 28 cは係合孔、30はワイ
ヤ、31は操作レバーである。The drawings show an embodiment of the wheel up and down device for a rice transplanter according to the present invention, and FIG. 1 is an overall side view of the rice transplanter, and FIG.
The figure is a plan view of the main part, Fig. 3 is a side view, Fig. 4 is an enlarged plan view of the main part, Fig. 5 is a perspective view, and Fig. 6 is a side view of the main part.
7 is a cross-sectional view taken along the line B-B, and FIGS. 8A and 8B are partially planar and partially side views explaining the operation. In the figure, 1 is the main body of the transplanter, 4 is the seedling stand, 5 is the planting device, 8 is the swing case, 10 is the swing wheel, 11 is the wheel lifting device, 12 is the hydraulic cylinder, 13 is the hydraulic ram, and 14 is telescopic. A shaft, 16 a fulcrum member, 17 a bullet, 18 a swinging rod,
21. 22 is a connecting rod, 23 is a swing arm, 24 is a locking member, 25 is a long hole, 26 is a locking mechanism, 27 is a locking pin, 2
8 a, 28 b, and 28 c are engagement holes, 30 is a wire, and 31 is an operating lever.
Claims (1)
に偏在している田植機であって、車輪を支架する左右の
スイングケースに一端が枢支された連結杆の他端を両側
で枢支する左右方向の揺動杆を、車輪昇降装置の前後方
向に延びる伸縮軸に装着の支点軸を中心にして、揺動自
在に設け、前記揺動杆の一側に設けた複数の係合孔に択
一的に挿入する係止ピンを介してスイング車輪の左右を
、同一高さ状態と段差状態とに切換可能に構成したもの
において、前記左右のスイング車輪を同一高さ状態にす
る係合孔を重心が偏在している側の車輪を下降させる方
向に偏寄させて機体を水平に保持すべく構成したことを
特徴とする田植機における車輪上下装置。This is a rice transplanter in which the center of gravity of the machine body is unevenly located to either the left or right side from the center of the machine body, and the other end of the connecting rod is pivoted on both sides, with one end pivoted to the left and right swing cases that support the wheels. A swinging rod in the left and right direction is provided to be able to swing freely about a fulcrum shaft attached to a telescoping shaft extending in the front-rear direction of the wheel lifting device, and a plurality of engagement holes provided on one side of the swinging rod. In a structure in which the left and right swing wheels can be switched between a state of the same height and a state of a difference in height through a locking pin that is selectively inserted into a locking pin, an engagement that brings the left and right swing wheels into a state of the same height. A wheel up-and-down device for a rice transplanter, characterized in that the machine body is held horizontally by having holes biased in a direction that lowers the wheels on the side where the center of gravity is unevenly distributed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14998278U JPS591456Y2 (en) | 1978-10-31 | 1978-10-31 | Wheel lifting device in rice transplanter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14998278U JPS591456Y2 (en) | 1978-10-31 | 1978-10-31 | Wheel lifting device in rice transplanter |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5565919U JPS5565919U (en) | 1980-05-07 |
JPS591456Y2 true JPS591456Y2 (en) | 1984-01-17 |
Family
ID=29133812
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14998278U Expired JPS591456Y2 (en) | 1978-10-31 | 1978-10-31 | Wheel lifting device in rice transplanter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS591456Y2 (en) |
-
1978
- 1978-10-31 JP JP14998278U patent/JPS591456Y2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5565919U (en) | 1980-05-07 |
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