JPH0646254Y2 - Lifting structure of mower in lawn mower - Google Patents
Lifting structure of mower in lawn mowerInfo
- Publication number
- JPH0646254Y2 JPH0646254Y2 JP12480589U JP12480589U JPH0646254Y2 JP H0646254 Y2 JPH0646254 Y2 JP H0646254Y2 JP 12480589 U JP12480589 U JP 12480589U JP 12480589 U JP12480589 U JP 12480589U JP H0646254 Y2 JPH0646254 Y2 JP H0646254Y2
- Authority
- JP
- Japan
- Prior art keywords
- mower
- spring
- arm member
- lifting structure
- tension
- 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
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- Harvester Elements (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 本考案は、接地荷重軽減用のスプリングを本機車体と、
モーアとにわたって架設した芝刈機におけるモーアの吊
り上げ構造に関する。[Detailed Description of the Invention] [Industrial field of application] The present invention provides a spring for reducing a ground load to the main body of the machine,
The present invention relates to a mower lifting structure in a lawnmower installed over a mower.
従来、この種の芝刈機におけるモーアの吊り上げ構造で
は、芝地の硬軟の度合や刈高さ調節に応じてモーアに対
するスプリングの張力を調節するために、スプリングの
取付箇所を複数個設けて掛け替えを行うように構成して
いる。Conventionally, in the mower hoisting structure of this type of lawn mower, in order to adjust the tension of the spring with respect to the mower according to the degree of hardness and softness of the grass and the cutting height adjustment, multiple spring attachment points are provided for replacement. Is configured to do.
上記従来構造では、スプリング張力の調節時にモーアを
上限まで持上げてスプリング張力を緩めてから掛け替え
を行うのであるが、モーアを上限まで上げてもスプリン
グが勝手に外れることがないように、ある程度張力をか
けて架設してあるため、相当緩められてはいるがスプリ
ングの掛け替えにはかなりの力を要するものであった。In the above conventional structure, when adjusting the spring tension, the mower is lifted up to the upper limit and the spring tension is loosened before changing the spring. Since it was laid over it, it was considerably loosened, but it required considerable force to replace the spring.
特に、モーアが車体の下腹部に装備されるミッドマウン
ト型式のものにあっては、車体下部の狭小な箇所で窮屈
な姿勢でのスプリング掛け替えを強いられるために、力
が入れにくく手間どりやすいものであった。In particular, in the mid-mount type where the mower is equipped on the lower abdomen of the vehicle body, it is difficult to put effort into the work because it is forced to change the spring in a cramped posture at a narrow place under the vehicle body. Met.
本考案は、このようなスプリング張力の調節を簡単容易
に行うことのできるモーア吊り上げ構造を提供すること
を目的とする。It is an object of the present invention to provide a mower lifting structure capable of easily and easily adjusting the spring tension.
本考案に係る芝刈機におけるモーアの吊り上げ構造は、
上記目的を達成するために、冒記構造のものにおいて、
前記モーア、又は前記本機車体に固定された固定部に対
し、一端がわを枢支し、かつ他端がわを前記固定部に係
脱可能なアーム部材を備えるとともに、このアーム部材
の前記一端がわの枢支箇所近くに、前記スプリングの取
付位置を上下方向で位置変更可能なスプリング取付部を
備えることを特徴構成とする。The mower lifting structure of the lawn mower according to the present invention is
In order to achieve the above object, in the structure described above,
The mower or a fixed portion fixed to the body of the main body is provided with an arm member that pivotally supports the end at one end and the other end that can engage and disengage the end from the fixed portion. It is characterized in that a spring mounting portion is provided, one end of which is near the pivotal supporting point, and the mounting position of the spring can be changed in the vertical direction.
かかる構成による作用・効果は次の通りである。The operation and effect of this configuration are as follows.
すなわち、本機車体とモーアとにわたって架設したスプ
リングの張力を変更する場合、スプリングをアーム部材
に取付けたまま、アーム部材の他端がわを固定部から取
外すことで、一端がわの枢支部周りにアーム部材が揺動
されてスプリングの張力を緩めることができ、その緩め
た状態でスプリングの取付位置をスプリング取付部にお
いて変更できる。そして、アーム部材の枢支箇所から離
れた他端がわを揺動操作することでアーム部材が「て
こ」として作用するので、アーム部材を元の位置に戻す
ことは、強いスプリングに対しても比較的小さい力で楽
に行うことができる。そして、アーム部材を元の位置に
戻した状態でアーム部材の他端がわを固定部に係止する
ことにより、スプリングの張力の調節作業が完了する。That is, when changing the tension of the spring installed over the body of the machine and the mower, the other end of the arm member can be removed from the fixed part while the spring is attached to the arm member, so that The arm member is swung to loosen the tension of the spring, and the spring mounting position can be changed at the spring mounting portion in the loosened state. Then, the other end of the arm member away from the pivot point pivotally moves the arm so that the arm member acts as a "lever". Therefore, returning the arm member to the original position is effective even for a strong spring. It can be performed easily with relatively small force. Then, the work of adjusting the tension of the spring is completed by locking the other end of the arm member to the fixing portion with the arm member returned to the original position.
従って、本考案によれば、アーム部材を「てこ」として
利用することで強いスプリングでも簡単に張力調節でき
るようになった。Therefore, according to the present invention, the tension can be easily adjusted even with a strong spring by using the arm member as a "lever".
特に、スプリングが狭小な箇所に架設されるミッドマウ
ント型式の芝刈機においては本考案の効果が一層顕著と
なる。In particular, the effect of the present invention becomes more remarkable in a mid-mount type lawnmower in which a spring is installed in a narrow place.
以下、本考案の実施例を図面に基づいて説明する。 Embodiments of the present invention will be described below with reference to the drawings.
第3図に、本考案にかかるモーアの吊り上げ構造を有す
る芝刈機を示している。FIG. 3 shows a lawnmower having a mower lifting structure according to the present invention.
この芝刈機は、本機車体(1)の前車輪(2)と後車輪
(3)との間の下腹部に、油圧駆動されるリンク機構
(4)を介して昇降自在にモーア(5)を連結するとと
もに、本機車体(1)に搭載したエンジン(6)からモ
ーア(5)に伝動軸(22)を介して動力伝達されるよう
に構成してある。This lawnmower has a mower (5) which can be moved up and down via a hydraulically driven link mechanism (4) on the lower abdomen between the front wheel (2) and the rear wheel (3) of the body (1) of the machine. And the power is transmitted from the engine (6) mounted on the vehicle body (1) of the present machine to the mower (5) via the transmission shaft (22).
そして、前記モーア(5)は、第3図に示すように、刈
刃ハウジング(7)の後端側に、刈高さ設定用の接地ゲ
ージ輪(8)を備えている。この接地ゲージ輪(8)の
接地圧を軽減するために、車体フレーム(1a)の左右に
夫々設けたスプリング係止部(9),(9)と、モーア
(5)の刈刃ハウジング(7)の上面の左右に夫々設け
たスプリング取付構造(10),(10)とにわたって、左
右一対のスプリング(11),(11)を張設状態で架設し
てある。As shown in FIG. 3, the mower (5) is provided with a grounding gauge wheel (8) for setting the cutting height on the rear end side of the cutting blade housing (7). In order to reduce the ground pressure of the ground gauge wheel (8), spring locking portions (9), (9) provided on the left and right of the vehicle body frame (1a) and the cutting blade housing (7) of the mower (5) are provided. ) A pair of left and right springs (11) and (11) are laid in a stretched state across the spring mounting structures (10) and (10) provided on the left and right of the upper surface of FIG.
前記スプリング取付構造(10)は、第1図及び第2図に
示すように、刈刃ハウジング(7)上に溶接により立設
した一対のステー(12),(12)にボルト固定した板状
の固定部(13)と、この固定部(13)の長手方向の両端
部に突設したピン(14),(15)に夫々係止し得る連通
孔(16),(17)を備えた板状のアーム部材(18)と、
このアーム部材(18)の前記連通孔(16)近くに突設し
たストッパー(19)に接当して位置決めされる状態でア
ーム部材(18)にボルト固定されるスプリング取付部と
してのL字形のスプリング取付用フック(20)とで構成
されている。前記アーム部材(18)は、夫々の連通孔
(16),(17)を、固定部(13)のピン(14),(15)
に係入した状態でベータピンにて抜止めすることで、固
定部(13)に対する取付けがなされており、このアーム
部材(18)に取付けた前記スプリング取付用フック(2
0)の係止孔(20a)にスプリング(11)の一端を係止し
てある。The spring mounting structure (10) is, as shown in FIG. 1 and FIG. 2, a plate shape bolted to a pair of stays (12) and (12) erected on the cutting blade housing (7) by welding. Of the fixing part (13) and communication holes (16) and (17) that can be engaged with the pins (14) and (15) protruding from both ends of the fixing part (13) in the longitudinal direction, respectively. A plate-shaped arm member (18),
An L-shaped spring mounting portion that is bolted to the arm member (18) in a state where the arm member (18) is positioned by abutting on a stopper (19) protruding near the communication hole (16). It consists of a spring mounting hook (20). In the arm member (18), the communication holes (16) and (17) are connected to the pins (14) and (15) of the fixing portion (13).
It is attached to the fixed part (13) by locking it with a beta pin while it is engaged with the spring, and the spring attachment hook (2) attached to this arm member (18).
One end of the spring (11) is locked in the locking hole (20a) of (0).
上記構成において、芝地の硬軟の度合、又は、刈高さに
応じてスプリング(11),(11)の張力を良好な状態に
変更する場合、アーム部材(18)を、その連通孔(16)
とピン(14)とを係止したままで、他端がわの連通孔
(17)をピン(15)から脱却させ、前記ピン(14)を中
心軸として、アーム部材(18)の他端がわを大きく持ち
上げ揺動し、スプリング(11)を自由長まで緩める。そ
して、その状態で、スプリング取付用フック(20)のボ
ルト(21)を緩めて、スプリング取付用フック(20)を
適宜な姿勢に回動してストッパー(19)にて位置保持し
た状態でボルト(21)を締結する。その後、アーム部材
(18)の他端がわを持って、前記ピン(14)を中心軸と
してアーム部材(18)を下方に揺動し、ピン(15)にア
ーム部材(18)の連通孔(17)を係入し、その後ピン
(15)にベータピンを止着することでスプリング(11)
の張力調節を終了する。すなわち、第2図(イ),
(ロ),(ハ)に示すように、スプリング取付用フック
(20)をボルト(21)の止着部を中心として、90°おき
に回転して位置変更することで、スプリング(11)の係
止位置は、本機車体(1)がわのスプリング係止部
(9)に対して上下方向で変更されることになり、それ
に応じてスプリング(11)の張力も変更される。In the above configuration, when the tension of the springs (11), (11) is changed to a favorable state according to the hardness of the grass or the cutting height, the arm member (18) is provided with a communication hole (16). )
The other end of the arm member (18) is disengaged from the pin (15) by letting the communication hole (17) with the other end out of the pin (15) with the pin and the pin (14) still locked. Gently lift the rock and swing it to loosen the spring (11) to a free length. Then, in that state, loosen the bolt (21) of the spring mounting hook (20), rotate the spring mounting hook (20) to an appropriate posture, and hold the position with the stopper (19). Conclude (21). After that, the other end of the arm member (18) has a wrinkle, and the arm member (18) is swung downward around the pin (14) as a central axis so that the pin (15) communicates with the arm member (18). Engage (17) and then secure beta pin to pin (15) by spring (11).
Finish the tension adjustment of. That is, as shown in FIG.
As shown in (b) and (c), the spring mounting hook (20) is rotated by 90 ° around the fastening part of the bolt (21) to change the position of the spring (11). The locking position is changed in the vertical direction with respect to the spring locking portion (9) of the vehicle body (1) of this machine, and the tension of the spring (11) is also changed accordingly.
尚、上記スプリング張節に際し、モーア(5)を大きく
持上げてスプリング張力を緩めて行うことが望ましい
が、アーム部材(18)の長さが充分長くレバー比を大き
く設定すれば、モーア(5)を降ろしたままスプリング
調節することもできる。It is desirable to lift the mower (5) largely to loosen the spring tension in the spring tension, but if the arm member (18) is long enough and the lever ratio is set to a large value, the mower (5) can be increased. You can also adjust the spring while lowering.
本考案は、以下のように実施しても良い。 The present invention may be implemented as follows.
スプリング取付構造(10)を本機車体(1)がわに設
けること。Provide the spring mounting structure (10) on the body of this machine (1).
スプリング(11)の一端を係止できる孔を上下に複数
個並べてアーム部材(18)に形成することで、スプリン
グ取付部を構成すること。To form a spring mounting portion by arranging a plurality of holes that can lock one end of the spring (11) vertically and forming the holes in the arm member (18).
アーム部材(18)の他端がわを固定部(13)に係脱で
きる構造は、ピン連結の他、フック式の係合構造にする
等、各種変更可能である。The structure in which the other end of the arm member (18) can engage and disengage the waffle with the fixing portion (13) can be variously changed, such as a pin-type connection or a hook-type engagement structure.
アーム部材(18)の他端がわに把手部を設けること。The other end of the arm member (18) should be provided with a crocodile handle.
尚、実用新案登録請求の範囲の項に図面との対照を便利
にする為に符号を記すが、該記入により本考案は添付図
面の構造に限定されるものではない。It should be noted that reference numerals are added to the claims of the utility model for convenience of comparison with the drawings, but the present invention is not limited to the structure of the accompanying drawings by the entry.
図面は本考案に係る芝刈機におけるモーアの吊り上げ構
造における実施例を示し、第1図はモーアの吊り上げ構
造の分解斜視図、第2図(イ),(ロ),(ハ)は夫々
各種スプリング張力調節状態を示す要部側面図、第3図
は芝刈機の全体側面図である。 (1)……本機車体、(5)……モーア、(11)……ス
プリング、(13)……固定部、(18)……アーム部材、
(20)……スプリング取付部。The drawings show an embodiment of a mower hoisting structure in a lawn mower according to the present invention. FIG. 1 is an exploded perspective view of the mower hoisting structure, and FIGS. 2 (a), (b) and (c) show various springs, respectively. FIG. 3 is a side view of a main part of the lawn mower showing a tension adjustment state. (1) …… Main body of the machine, (5) …… Mower, (11) …… Spring, (13) …… Fixed part, (18) …… Arm member,
(20) …… Spring mounting part.
Claims (1)
車体(1)とモーア(5)とにわたって架設した芝刈機
におけるモーアの吊り上げ構造において、前記モーア
(5)、又は前記本機車体(1)に固定された固定部
(13)に対し、一端がわを枢支し、かつ他端がわを前記
固定部(13)に係脱可能なアーム部材(18)を備えると
ともに、このアーム部材(18)の前記一端がわの枢支箇
所近くに、前記スプリング(11)の取付位置を上下方向
で位置変更可能なスプリング取付部(20)を備えること
を特徴とする芝刈機におけるモーアの吊り上げ構造。1. A mower lifting structure in a lawn mower in which a spring (11) for reducing a ground load is laid across the vehicle body (1) and the mower (5), and the mower (5) or the vehicle body is provided. An arm member (18), one end of which is pivotally supported by the fixed portion (13) fixed to (1) and the other end of which is detachable from the fixed portion (13), is provided. A mower for a lawn mower, characterized in that the arm member (18) is provided with a spring mounting portion (20) near the pivotal support position of the arm so that the mounting position of the spring (11) can be vertically changed. Lifting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12480589U JPH0646254Y2 (en) | 1989-10-24 | 1989-10-24 | Lifting structure of mower in lawn mower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12480589U JPH0646254Y2 (en) | 1989-10-24 | 1989-10-24 | Lifting structure of mower in lawn mower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0365421U JPH0365421U (en) | 1991-06-26 |
| JPH0646254Y2 true JPH0646254Y2 (en) | 1994-11-30 |
Family
ID=31672704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12480589U Expired - Lifetime JPH0646254Y2 (en) | 1989-10-24 | 1989-10-24 | Lifting structure of mower in lawn mower |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0646254Y2 (en) |
-
1989
- 1989-10-24 JP JP12480589U patent/JPH0646254Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0365421U (en) | 1991-06-26 |
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