JP2010252638A5

JP2010252638A5 -

Info

Publication number: JP2010252638A5
Application number: JP2009103211A
Authority: JP
Filing date: 2009-04-21
Publication date: 2013-06-06
Anticipated expiration: 2029-04-21

Description

請求項２記載の発明は、苗植付部（３）を昇降させる油圧式のアクチュエータ（１６０）又は左右ローリングさせる油圧式のアクチュエータ（２２５）と、該アクチュエータ（１６０、２２５）へ圧油を供給する油圧ポンプ（２７０）と、該油圧ポンプ（２７０）へエンジン（１２）の動力を伝達する伝動装置（３１）と、前記アクチュエータ（１６０，２２５）が作動状態であるときエンジンの回転数を上昇させるエンジン回転数上昇装置（２６６）を設けた請求項１記載の苗移植機である。
請求項３記載の発明は、エンジン（１２）からの動力を変速装置（５）を介して走行車輪（７）へ伝動し、エンジン（１２）の回転数と変速装置（５）の変速比とを共に増減するよう連動して変更する構成とし、圃場の耕盤の深さの検出又は機体の前後傾斜の検出に基づいて、変速装置（５）の変速比に対してエンジン（１２）の回転数を優先して増大させる制御を行う構成としたことを特徴とする請求項１又は請求項２に記載の苗移植機である。
請求項４記載の発明は、燃料タンク内の燃料が所定量以下になると、燃料切れランプの点滅を開始させ、一定時間後にはエンジン（１２）の回転数を低回転域の設定回転数に制御する構成としたことを特徴とする請求項１から請求項３の何れか１項に記載の苗移植機である。 According to the second aspect of the present invention, a hydraulic actuator (160) for raising and lowering the seedling planting part (3) or a hydraulic actuator (225) for rolling left and right, and supplying pressure oil to the actuator (160, 225) When the hydraulic pump (270), the transmission (31) for transmitting the power of the engine (12) to the hydraulic pump (270), and the actuators (160, 225) are in an operating state, the engine speed is increased. The seedling transplanter according to claim 1, further comprising an engine speed increasing device (266) to be operated.
According to the third aspect of the present invention, the power from the engine (12) is transmitted to the traveling wheel (7) via the transmission (5), and the rotational speed of the engine (12) and the transmission ratio of the transmission (5) The engine (12) is rotated with respect to the transmission ratio of the transmission (5) based on the detection of the depth of the cultivation paddle in the field or the detection of the forward / backward inclination of the machine body. The seedling transplanting machine according to claim 1 or 2, wherein control is performed to increase the number with priority.
According to a fourth aspect of the present invention, when the fuel in the fuel tank becomes less than a predetermined amount, the fuel shortage lamp starts blinking, and after a certain period of time, the engine (12) is controlled to the set speed in the low speed range. The seedling transplanter according to any one of claims 1 to 3, wherein the seedling transplanter is configured as described above.

請求項２記載の発明によれば、請求項１記載の効果に加えて、アクチュエータ１６０，２２５の作動によるエンジン馬力ロスに対応でき、畦越え作業などの走行負荷が増大する状態でも、エンストを防止し、エンジン１２の駆動力不足を防止して良好な走行性能が得られる。
請求項３記載の発明によれば、請求項１又は請求項２に記載の発明の効果に加えて、耕盤の深い圃場又は上り傾斜での走行負荷の増大に対処してエンジン１２の駆動力を増大させることができ、エンストを防止し、エンジン１２の駆動力不足を防止して良好な走行性能が得られる。
請求項４記載の発明によれば、請求項１から請求項３の何れか１項に記載の発明の効果に加えて、燃料が残り少なくなると、燃料消費を自動的に抑えることができ、燃料切れを防止できる。 According to the second aspect of the invention, in addition to the effect of the first aspect, engine horsepower loss due to the operation of the actuators 160 and 225 can be dealt with, and engine stall can be prevented even in a state where the traveling load such as over-running work increases. In addition, the driving performance of the engine 12 is prevented from being insufficient and good running performance can be obtained.
According to the invention described in claim 3, in addition to the effect of the invention described in claim 1 or 2, the driving force of the engine 12 in response to an increase in traveling load in a deep field or uphill inclination of the cultivator. Can be increased, engine stall can be prevented, and insufficient driving force of the engine 12 can be prevented, resulting in good running performance.
According to the invention described in claim 4, in addition to the effect of the invention described in any one of claims 1 to 3, when the remaining amount of fuel is reduced, the fuel consumption can be automatically suppressed, and the fuel runs out. Can be prevented.

次に、コントローラ２６６が油圧回路を経由してトラニオンアーム１２２を動かさないでスロットル弁を開く動きを説明する。
前進側ケーブル１９８と後進側ケーブル１９９のエンジン１２側の連結部とは反対側の端部はそれぞれく字状アーム２１４、２１５の一端部に連結している。該く字状アーム２１４、２１５の他端部はＨＳＴ５のケースに回動自在に接続している。そしてく字状アーム２１４、２１５の中央部が重ね合わされていて、その中心部は両方のアーム２１４、２１５に形成された凹部があり、該凹部にトラニオンアーム１２２に立設されたピン２１６が係止されて、該ピン２１６は、連動ピン移動用電動シリンダ２００のピストンロッドの先端に一体的に取り付けられている。 Next, the movement of the controller 266 opening the throttle valve without moving the trunnion arm 122 via the hydraulic circuit will be described.
The ends of the forward-side cable 198 and the reverse-side cable 199 opposite to the connecting portion on the engine 12 side are connected to one ends of the U-shaped arms 214 and 215, respectively. The other ends of the square arms 214 and 215 are rotatably connected to the case of HST5. The Ku central portion is not superposed the shaped arm 214 and 215, the central portion has recesses formed in both arms 214, 215, the pin 216 is engaged erected on trunnion arm 122 in recess The pin 216 is integrally attached to the tip end of the piston rod of the interlocking pin moving electric cylinder 200.

Claims

A traveling vehicle body equipped with an engine (12);
Traveling wheels (7) driven by power from the engine (12);
A seedling planting part (3) mounted on the rear side of the traveling vehicle body via an elevating link device (2) so as to be movable up and down;
An elevating operation device (110b) capable of performing an operation for lowering the seedling planting part (3) to a working position for grounding and an operation for raising the seedling planting part (3) to a predetermined non-working position that floats to the ground;
An arbitrary raising operation device (110c) capable of raising the seedling planting part to an arbitrary height;
When there is an operation of the arbitrary ascent operation device (110c), when the operation of the idling speed increasing device (266) that increases the idling speed of the engine (12) and when the lifting operation device (110b) is operated, the idling speed increases. A seedling transplanter provided with an idling rotational speed increase canceling device (266) that releases the idling rotational speed increase operation of the engine (12) by the device (266) and restores the original normal rotational speed.

A hydraulic actuator (160) for raising and lowering the seedling planting part (3) or a hydraulic actuator (225) for rolling left and right; a hydraulic pump (270) for supplying pressure oil to the actuator (160, 225); A transmission device (31) for transmitting the power of the engine (12) to the hydraulic pump (270) and an engine speed increasing device (266 for increasing the engine speed when the actuators (160, 225) are in an operating state). The seedling transplanter according to claim 1, wherein:

Power from the engine (12) is transmitted to the traveling wheel (7) via the transmission (5), and the engine (12) and the gear ratio of the transmission (5) are both increased and decreased in conjunction with each other. Control to increase the number of rotations of the engine (12) with priority over the gear ratio of the transmission (5) based on the detection of the depth of the cultivating field in the field or the detection of the forward / backward inclination of the airframe. The seedling transplanting machine according to claim 1 or 2, wherein the seedling transplanting machine is configured to perform.

When the fuel in the fuel tank falls below a predetermined amount, the fuel out lamp starts blinking, and after a certain time, the engine (12) speed is controlled to a set speed in a low speed range. The seedling transplanter according to any one of claims 1 to 3.