JP3364647B2 - Walking management machine - Google Patents
Walking management machineInfo
- Publication number
- JP3364647B2 JP3364647B2 JP15668699A JP15668699A JP3364647B2 JP 3364647 B2 JP3364647 B2 JP 3364647B2 JP 15668699 A JP15668699 A JP 15668699A JP 15668699 A JP15668699 A JP 15668699A JP 3364647 B2 JP3364647 B2 JP 3364647B2
- Authority
- JP
- Japan
- Prior art keywords
- traveling device
- case
- gear case
- walking
- crawler traveling
- 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 - Lifetime
Links
Landscapes
- Soil Working Implements (AREA)
Description
【発明の詳細な説明】
【０００１】
【発明の属する技術分野】本発明は、田畑の耕耘作業に
用いる作業機であって、作業者が機体の後側を歩きなが
ら操縦操作を行う歩行型管理機に関する。
【０００２】
【従来の技術】従来の歩行型管理機は、一般に機体下部
に一輪のホイール型の走行装置を設け、その後方に耕耘
用のロータリを取付け、機体の上部中央から斜め後方に
向けてハンドル杆を立設し、作業者が該ハンドル杆の後
端部を持って操縦操作を行うようにしている。
【０００３】
【発明が解決しようとする課題】上記の如き構成の歩行
型管理機では、走行装置が一輪のホイール型である為、
機体の方向転換時における回行性に優れたものである
が、ホイールと地面との接触面積が小さく牽引力を欠く
といった問題が生じていた。そこで、二輪のホイールか
ら成る走行装置を考えて牽引力の向上を図ろうとする
に、機体の回行性を下げる原因となっていた。本発明
は、簡単な構成で上記の問題を解決し、牽引力と回行性
の両方に優れた歩行型管理機を提供することを課題とす
る。
【０００４】
【課題を解決するための手段】機体中央に設けたギヤケ
ース１前方に原動機１０を、該ギヤケース１後方下方に
は伝動ケース１１を介してロータリ３を連結配置し、
又、機体上部からは機体の操縦操作を行うハンドル杆４
を後方上方に向けて延設する歩行型管理機において、該
ギヤケース１から前方下方に向けて伝動ケース５を延設
し、該伝動ケース５先端に単一のクローラ走行装置２を
設けるに、該伝動ケース５とクローラ走行装置２の支持
フレーム２９を連結することによって該クローラ走行装
置２を機体下方に一体的に連結固着するとともに、該ク
ローラ走行装置２後部の転輪７，７間に形成する接地部
に対しその前部を傾斜角度θにより前上り傾斜に構成
し、耕耘作業時においては大きな牽引力を維持し、且
つ、方向転換時にはハンドル杆４を持上げ接地部前側の
固定転輪７部のみを接地させて回行可能としてなる歩行
型管理機の構成とする。
【０００５】又、前記上部転輪８を、クローラ走行装置
２前方の傾斜角度θと同じ角度で前方上方又は後方下方
へ移動固定可能に構成して、クローラベルト９の張り調
節を行うことを特徴とする請求項１に記載の歩行型管理
機とした。
【０００６】
【発明の作用及び効果】本件発明の歩行型管理機にあっ
ては、機体中央のギヤケース１から前方下方に向けて延
設する伝動ケース５先端に単一のクローラ走行装置２
を、該伝動ケース５とクローラ走行装置２の支持フレー
ム２９とを連結することによって機体下方位置に一体的
に連結固着してあり、更に、該クローラ走行装置２後部
の転輪７，７間に形成する接地部に対しその前部を傾斜
角度θにより前上り傾斜に構成したものであるから、ハ
ンドル杆４の操作により機体後方を持ち上げての方向転
換時には、単一のクローラ走行装置２接地部前側の固定
転輪７の接地点Ｑ前方近傍のみが接地して走行装置２と
地面の接触面積が極めて狭くなるので、優れた回行性を
発揮する。又、一輪のホイール型走行装置に比し、幅広
で固定転輪７，７間の接地長を有するクローラ走行装置
２により機体の牽引力を向上させるとともに、傾斜角度
θにより前上り傾斜に構成する前部と該接地部とで連続
して構成されるクローラ走行装置２により、機体前方の
凹凸や石等の障害物を容易に乗り越えることができる。
【０００７】請求項２に記載の歩行型管理機において
は、上記クローラ走行装置２前方の傾斜角度θと同じ角
度で前方上方又は後方下方へ移動固定可能の上部転輪８
により、クローラベルト９の張り調節を行うものであっ
て、該張り調節により前記傾斜角度θが変ることがない
為、常に一定の走破性を保持できる。
【０００８】
【実施例】次に本発明の実施例を図面を参照しながら説
明する。機体中央に設けたギヤケース１は、前方の原動
機１０からの動力を、下方に設ける１つの走行装置２及
びロータリ３に伝動し、走行及び耕耘作業を行う。該走
行装置２は、ギヤケース１から下方前方へ向けて延設の
走行伝動ケース５下端部に取付けており、更に、ロータ
リ３をギヤケース１から下方後方へ向けて延設のロータ
リ伝動ケース１１下端部に取付けて、走行装置２及びロ
ータリ３を機体中心の前後に配置している。ロータリ３
の上方には、上方への土の飛散を防止するロータリカバ
ー１２を設けており、該ロータリカバー１２はギヤケー
ス１後方へ延設の取付枠１３に前後位置移動固定可能に
取付けている。１４はロータリ３の耕耘深さを決める抵
抗杆で、前記取付枠１３後端から下方に向けて延設して
いる。
【０００９】１５は軸１６を中心に回動可能なスタンド
で、機体前方側方にて機体を支持すると共に、走行時に
は回動収納して走行の妨げとならないようにしている。
ギヤケース１の上部には、後方上方に向けてハンドル杆
４を立設しており、機体後方を歩く作業者が、該ハンド
ル杆４の後端部を持った状態で操縦操作を行えるように
している。１７，１７は前記ハンドル杆４後端に取着の
グリップ、１８はロータリ３の動力を断続する指クラッ
チレバー、１９は前記スタンド１５の回動操作を行うス
タンドレバー、２０は機体の走行速度を切換える走行レ
バー、２１は原動機１０からギヤケース１への動力を断
続する主クラッチレバーであり、該それぞれのレバー１
８，１９，２０，２１は、ハンドル杆４後端のグリップ
１７，１７近辺に設けて作業時の操縦操作に便利なよう
にしている。ハンドル杆４は、ギヤケース１を中心とし
て、平面視放射状に延設した２本のパイプ杆で構成して
おり、その前後中間部で連結板２２により左右のパイプ
杆を連結補強している。２３は該連結板２２の中央に設
置の安全スイッチである。
【００１０】ギヤケース１前方には、原動機１０取付用
の取付台２４を形成しており、該取付台２４上に搭載の
原動機１０と前記ギヤケース１をベルトによって連結す
ることで動力伝動可能にしている。２５は該ベルトによ
る動力伝動部を覆う伝動カバー、２６は該原動機１０の
上面を覆う原動機カバーである。ギヤケース１の左右片
側には、ロータリ３の回転速度及び回転方向を操作する
ロータリレバー２７を設けており、もう片側には機体の
走行速度及び前後進方向を操作する走行操作レバー２８
を設けている。
【００１１】走行装置２は、走行伝動ケース５下端部に
て伝動力を受ける駆動転輪６と、接地側で前後に１つず
つ配置の固定転輪７，７と、前方の固定転輪７の前方上
方に取着の上部転輪８にクローラベルト９を巻き掛け
て、側面視船底型のクローラ走行装置２に構成してお
り、前方の固定転輪７を、その接地点Ｑが走行伝動ケー
ス５の延長線上の接地点Ｐより後方に位置するように設
けている。
【００１２】走行伝動ケース５の前記駆動転輪６取着側
とは反対側には、板状の支持フレーム２９を取着してお
り、該支持フレーム２９に固着の軸３１，３１に転輪
７，８を回転自在に枢支してある。３０はテンションボ
ルトであり、前方上方へ傾斜のクローラ走行装置２前部
と同じ傾斜角度θで前記支持フレーム２９に取付けてお
り、該テンションボルト３０によって上部転輪８の取付
け位置を移動固定することでクローラベルト９の張り調
節を行う。クローラベルト９は、図４に記載の如く機体
の左右中央、即ち駆動転輪６の左右中央に対し、走行伝
動ケース５側の幅Ａを他方側の幅Ｂより狭くした扁形ク
ローラで構成しており、望ましくは、幅Ｂが幅Ａより広
く、幅Ｃより狭い、若しくは幅Ｃと同幅であることが良
い。
【００１３】以上の構成の歩行型管理機で耕耘作業を行
うと、機体下方に形成の１つの走行装置２により機体を
牽引して田畑を走行しながら、後方のロータリ３により
耕耘作業を行う。この時、該走行装置２は、幅広の接地
長を有するクローラベルト９で構成しており機体の牽引
力を向上させる。また、該走行は側面視船底型、即ち前
部を前方上方へ傾斜のクローラ走行装置２により成され
る為、機体前方の凹凸や石等の障害物を容易に乗り越え
ることができる。
【００１４】クローラベルト９の張り調節をするテンシ
ョンボルト３０は、クローラ走行装置２前部の傾斜角度
θと同角度で取着しており、上部転輪８を該傾斜に沿っ
て移動固定することで傾斜角度θを変えることなく張り
調節を行うことができる為、常に一定の走破性を保持す
ることができる。さらに、上記１つの走行装置２を有す
る歩行型管理機は、機体後方を持ち上げての方向転換時
に、機体はクローラ走行装置２前方の固定転輪７の接地
点Ｑ前方近傍を支点に前傾するので走行装置２と地面の
接触面積が極めて狭くなり、優れた回行性を発揮する。
該機体後方の持ち上げは、ハンドル杆４後端部を上方へ
持ち上げることで成されるが、この時、接地点Ｑは、走
行伝動ケース５の延長線上の接地点Ｐより後方、即ち作
業者寄りに位置するように設けている為、小さな荷重で
機体後方を持ち上げることができる。尚、請求の範囲の
項に図面との対象と便利にする為に番号を記すが、この
記入により本発明は添付図面の構造に限定されるもので
はない。Description: BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention relates to a work machine used for tilling work in a field, and a walk-type management system in which a worker performs a steering operation while walking behind the machine. About the machine. 2. Description of the Related Art Conventional walking-type management machines are generally provided with a single wheel-type traveling device at a lower portion of a body, and a rotary for tilling is mounted at the rear of the device, and a diagonal rearward direction is provided from the upper center of the body. A handlebar is erected, and the operator performs a steering operation while holding the rear end of the handlebar. [0003] In the walking-type management machine having the above-described configuration, the traveling device is a single-wheel type.
Although it is excellent in reversibility at the time of changing the direction of the airframe, there is a problem that the contact area between the wheel and the ground is small and traction force is lacking. Therefore, in order to improve the traction force in consideration of a traveling device composed of two wheels, this has been a cause of lowering the reversibility of the aircraft. SUMMARY OF THE INVENTION It is an object of the present invention to solve the above-mentioned problems with a simple configuration and to provide a walking-type management machine that is excellent in both traction and recirculation. [0004] A prime mover 10 is provided in front of a gear case 1 provided in the center of the machine body , and a motor 10 is provided in a rear lower portion of the gear case 1.
Is arranged by connecting the rotary 3 via the transmission case 11,
From the upper part of the fuselage, a steering rod 4 for operating the fuselage is provided.
In a walking-type management machine extending rearward and upward,
Transmission case 5 extends downward from gear case 1
Then, a single crawler traveling device 2 is attached to the end of the transmission case 5.
In order to support the transmission case 5 and the crawler traveling device 2,
By connecting the frame 29, the crawler traveling device
Unit 2 is integrally connected and fixed below the fuselage, and
A ground contact portion formed between the rolling wheels 7 at the rear of the roller traveling device 2
The front part is inclined forward by the inclination angle θ.
During tilling work, a large traction force is maintained and
When turning the direction, lift the handlebar 4 and
Walking that allows only the fixed wheels 7 to touch the ground and to be able to go around
It has the configuration of the type management machine. Further, the upper roller 8 is configured to be movable forward and upward or rearward and downward at the same angle as the inclination angle θ in front of the crawler traveling device 2 so that the tension of the crawler belt 9 is adjusted.
The walking type management machine according to claim 1, wherein the knitting is performed . [0006] a walking-type tiller of the operation and effect of the Invention the present invention
From the gear case 1 at the center of the fuselage
A single crawler traveling device 2 at the end of the transmission case 5
The supporting frame of the transmission case 5 and the crawler traveling device 2
To the lower part of the fuselage by connecting
To the rear of the crawler traveling device 2
The front part is inclined with respect to the ground part formed between the rolling wheels 7 and 7
Because it is configured to have a forward ascending angle by the angle θ,
During turning of the lifting fuselage rear by operating the bundle rod 4, only contact the ground point Q near the front of the fixed track roller 7 of a single crawler traveling apparatus 2 ground portion front side of the ground and the travel device 2 is grounded Since the area is extremely narrow, excellent recirculation is exhibited. In addition, compared to a single wheel type traveling device, the crawler traveling device 2 which is wider and has a contact length between the fixed rolling wheels 7 and 7 improves the traction force of the body, and also has an inclination angle.
The front part and the ground part are continuously inclined by θ.
The crawler traveling device 2 configured as described above can easily overcome obstacles such as unevenness and stones in front of the fuselage. [0007] In the walking-type management machine according to the second aspect, the upper rolling wheel 8 can be fixed forward and backward or downward and downward at the same angle as the front inclination angle θ of the crawler traveling device 2.
In this manner, the tension of the crawler belt 9 is adjusted, and the inclination angle θ does not change due to the adjustment of the tension, so that a constant running performance can be always maintained. Next, an embodiment of the present invention will be described with reference to the drawings. The gear case 1 provided at the center of the body transmits power from the prime mover 10 to one traveling device 2 and the rotary 3 provided below to perform traveling and tilling work. The traveling device 2 is attached to a traveling transmission case 5 bottom end of the extending toward the gear case 1 to the lower front, further, the rotor
Li 3 attached only to the the rotary transmission case 11 the lower end of the extending toward the gear case 1 to the lower rear, the travel device 2, and B
The data 3 is arranged before and after the center of the fuselage. Rotary 3
Above the gear case 1, there is provided a rotary cover 12 for preventing the scattering of soil upward, and the rotary cover 12 is mounted on a mounting frame 13 extending rearward of the gear case 1 so as to be movable in the front-rear position. Reference numeral 14 denotes a resistance rod for determining the tillage depth of the rotary 3, and extends downward from the rear end of the mounting frame 13. A stand 15 is rotatable about a shaft 16 and supports the body at the front side of the body. The stand 15 is rotatably stored during traveling so as not to hinder traveling.
A handlebar 4 is provided on the upper part of the gear case 1 so as to face rearward and upward, so that an operator walking rearward of the machine can perform a steering operation while holding the rear end of the handlebar 4. I have. 17, 17 are grips attached to the rear end of the handle rod 4, 18 is a finger clutch lever for interrupting the power of the rotary 3, 19 is a stand lever for rotating the stand 15, and 20 is the running speed of the body. A traveling lever 21 for switching is a main clutch lever for interrupting the power from the prime mover 10 to the gear case 1.
8, 19, 20, 21 are provided near the grips 17, 17 at the rear end of the handlebar 4 to make it convenient for steering operation during work. The handle rod 4 is composed of two pipe rods extending radially in a plan view with the gear case 1 as a center, and the right and left pipe rods are connected and reinforced by a connecting plate 22 at the front and rear intermediate portions. Reference numeral 23 denotes a safety switch installed at the center of the connecting plate 22. A mount 24 for mounting the prime mover 10 is formed at the front of the gear case 1, and the prime mover 10 mounted on the mount 24 and the gear case 1 are connected by a belt to enable power transmission. . Reference numeral 25 denotes a transmission cover that covers the power transmission unit by the belt, and reference numeral 26 denotes a motor cover that covers the upper surface of the motor 10. A rotary lever 27 for controlling the rotation speed and rotation direction of the rotary 3 is provided on one side of the left and right sides of the gear case 1, and a travel operation lever 28 for controlling the travel speed and forward / reverse direction of the body is provided on the other side.
Is provided. The traveling device 2 comprises a driving wheel 6 receiving power at a lower end portion of the traveling power transmission case 5, fixed wheels 7, 7 arranged one at a time on the grounding side, and a fixed wheel 7 at the front. A crawler belt 9 is wound around an upper wheel 8 attached to the front upper side of the vehicle to constitute a crawler traveling device 2 of a ship bottom type in a side view. It is provided so as to be located behind the ground point P on the extension of the case 5. A plate-like support frame 29 is mounted on the side of the traveling transmission case 5 opposite to the side where the drive wheel 6 is mounted, and the shafts 31 fixed to the support frame 29 are provided with wheels. 7, 8 are rotatably supported. Reference numeral 30 denotes a tension bolt, which is attached to the support frame 29 at the same inclination angle θ as the front of the crawler traveling device 2 inclined forward and upward. The tension bolt 30 moves and fixes the mounting position of the upper roller 8. To adjust the tension of the crawler belt 9. As shown in FIG. 4, the crawler belt 9 is formed by a flat crawler having a width A on the traveling transmission case 5 side smaller than a width B on the other side with respect to the left and right center of the machine body, that is, the left and right center of the driving wheel 6. It is preferable that the width B is larger than the width A and smaller than the width C, or is equal to the width C. When the tilling operation is performed by the walking type management machine having the above-described configuration, the tilling operation is performed by the rear rotary 3 while the tractor is driven by one traveling device 2 formed below the tractor to travel through the fields. At this time, the traveling device 2 is constituted by the crawler belt 9 having a wide contact length, and improves the traction force of the body. In addition, since the traveling is performed by the crawler traveling device 2 having a bottom in a side view, that is, a crawler traveling device 2 having a front portion inclined upward and forward, obstacles such as unevenness and stones in front of the fuselage can be easily overcome. A tension bolt 30 for adjusting the tension of the crawler belt 9 is attached at the same angle as the inclination angle θ at the front part of the crawler traveling device 2 to move and fix the upper roller 8 along the inclination. , The tension can be adjusted without changing the inclination angle θ, so that a constant running performance can be always maintained. Further, in the walk-behind management machine having the one traveling device 2, when the vehicle changes direction by lifting the rear of the vehicle, the vehicle leans forward with the fulcrum near the front of the contact point Q of the fixed wheel 7 in front of the crawler traveling device 2. Therefore, the contact area between the traveling device 2 and the ground becomes extremely small, and excellent traveling performance is exhibited.
The lifting of the rear of the body is performed by lifting the rear end of the handle rod 4 upward. At this time, the grounding point Q is behind the grounding point P on the extension of the traveling transmission case 5, that is, closer to the worker. , The rear of the aircraft can be lifted with a small load. It should be noted that, in the claims, the numbers are written for convenience with the objects of the drawings, but the present invention is not limited to the structure of the attached drawings by this entry.
【図面の簡単な説明】
【図１】本発明実施例における全体側面図。
【図２】本発明実施例における全体平面図。
【図３】本発明実施例における主要部の側面図。
【図４】本発明実施例における主要部の一部切断した正
面図。
【符号の説明】
１ ギヤケース
２ 走行装置
３ ロータリ
４ ハンドル杆
５ 走行伝動ケース
６ 駆動転輪
７ 固定転輪
８ 上部転輪
９ クローラベルト
θ 傾斜角度BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an overall side view of an embodiment of the present invention. FIG. 2 is an overall plan view in the embodiment of the present invention. FIG. 3 is a side view of a main part in the embodiment of the present invention. FIG. 4 is a partially cut front view of a main part in the embodiment of the present invention. [Description of Signs] 1 Gear case 2 Traveling device 3 Rotary 4 Handle rod 5 Travel transmission case 6 Drive wheel 7 Fixed wheel 8 Upper wheel 9 Crawler belt θ Tilt angle
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) A01B 33/02 - 33/08 B62D 51/06 B62D 55/07 ──────────────────────────────────────────────────続 き Continued on the front page (58) Fields surveyed (Int. Cl. 7 , DB name) A01B 33/02-33/08 B62D 51/06 B62D 55/07
Claims (1)
原動機（１０）を、該ギヤケース（１）後方下方には伝
動ケース（１１）を介してロータリ（３）を連結配置
し、又、機体上部からは機体の操縦操作を行うハンドル
杆（４）を後方上方に向けて延設する歩行型管理機にお
いて、該ギヤケース（１）から前方下方に向けて伝動ケ
ース（５）を延設し、該伝動ケース（５）先端に単一の
クローラ走行装置（２）を設けるに、該伝動ケース
（５）とクローラ走行装置（２）の支持フレーム（２
９）を連結することによって該クローラ走行装置（２）
を機体下方に一体的に連結固着するとともに、該クロー
ラ走行装置（２）後部の転輪（７），（７）間に形成す
る接地部に対しその前部を傾斜角度（θ）により前上り
傾斜に構成し、耕耘作業時においては大きな牽引力を維
持し、且つ、方向転換時にはハンドル杆（４）を持上げ
接地部前側の固定転輪（７）部のみを接地させて回行可
能としてなる歩行型管理機。(57) Patent Claims 1. A gear case provided on the body center (1) to the front
The prime mover (10) is transferred to the rear lower portion of the gear case (1).
Rotary (3) connected and arranged via moving case (11)
And a handle for operating the aircraft from the top of the aircraft
The walking type management machine that extends the rod (4) upward and rearward
Transmission gear from the gear case (1) downward and forward.
The case (5) is extended, and a single
To provide the crawler traveling device (2), the transmission case
(5) and the support frame (2) of the crawler traveling device (2)
9) to connect the crawler traveling device (2)
Are integrally connected and fixed below the fuselage,
(2) formed between the rear wheels (7) and (7).
The front part of the grounding part with the inclination angle (θ)
Inclined to maintain a large traction force during tilling work
Lift and raise the handlebar (4) when changing direction
Only the fixed wheel (7) on the front side of the grounding section can be grounded and circuited
A walking-type management machine that becomes a function .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15668699A JP3364647B2 (en) | 1999-06-03 | 1999-06-03 | Walking management machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15668699A JP3364647B2 (en) | 1999-06-03 | 1999-06-03 | Walking management machine |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002133426A Division JP3371906B2 (en) | 2002-05-09 | 2002-05-09 | Walking management machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000342007A JP2000342007A (en) | 2000-12-12 |
| JP3364647B2 true JP3364647B2 (en) | 2003-01-08 |
Family
ID=15633120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15668699A Expired - Lifetime JP3364647B2 (en) | 1999-06-03 | 1999-06-03 | Walking management machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3364647B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4038370B2 (en) * | 2001-12-14 | 2008-01-23 | 株式会社アテックス | Rubber crawler and rubber crawler working machine |
| CN104641739A (en) * | 2015-03-15 | 2015-05-27 | 张纪山 | Mountain agricultural machine integrating walking tractor with rotary cultivator |
| CN105210478A (en) * | 2015-08-14 | 2016-01-06 | 太仓市璜泾新海农机专业合作社 | A kind of miniature loosening device |
| CN109644588A (en) * | 2018-12-18 | 2019-04-19 | 贵州大学 | A kind of small-sized chain deep ploughing machine that can be controlled tilling depth and be conveniently replaceable chain |
-
1999
- 1999-06-03 JP JP15668699A patent/JP3364647B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2000342007A (en) | 2000-12-12 |
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