JP2003202067A5

JP2003202067A5 -

Info

Publication number: JP2003202067A5
Application number: JP2002000314A
Authority: JP
Filing date: 2002-01-07
Publication date: 2005-04-28
Anticipated expiration: 2022-01-07

Description

【０００５】
【課題を解決するための手段】
上記課題を解決するために、請求項１に係る発明は、原動機によって駆動されつつＨＳＴレバーの操作に応じて油圧出力する油圧可変ポンプと、この油圧可変ポンプの油圧を受けて回転動力を出力する油圧モータと、この油圧モータから回転動力を受ける入力軸および走行動力を出力する出力軸を備えてこれら入力軸と出力軸との間で回転動力を速度変換する伝動機と、この伝動機の入力軸側の回転動力から刈取動力を分ける分岐軸とを備えるコンバイン走行装置において、上記油圧モータは、指令に応じて変速制御可能な速度可変式とし、かつ、上記伝動機は、その分岐軸と出力軸との間の回転比を変更可能な副変速機構を備えることによりコンバイン走行装置を構成したものである。

[0005]
[Means for Solving the Problems]
In order to solve the above problems, the invention according to claim 1 is a hydraulic variable pump that is driven by a prime mover and outputs hydraulic pressure in response to an operation of an HST lever, and outputs rotational power in response to the hydraulic pressure of the hydraulic variable pump. A transmission having a hydraulic motor, an input shaft for receiving rotational power from the hydraulic motor, and an output shaft for outputting traveling power, and converting the rotational power between the input shaft and the output shaft, and an input of the transmission In the combined traveling device having a branch shaft that divides the cutting power from the rotational power on the shaft side, the hydraulic motor is variable in speed that can be controlled in accordance with a command, and the transmission has an output from the branch shaft and the output by providing changes can subtransmission mechanism rotation ratio between the shaft is obtained by constituting the combined traveling device.

Claims

A hydraulic variable pump that is driven by a prime mover and outputs hydraulic pressure in response to an operation of the HST lever;
A hydraulic motor that receives the hydraulic pressure of the hydraulic variable pump and outputs rotational power;
A transmission that includes an input shaft that receives rotational power from the hydraulic motor and an output shaft that outputs traveling power, and converts the rotational power between the input shaft and the output shaft;
In a combined traveling device including a branch shaft that divides cutting power from rotational power on the input shaft side of the transmission,
The hydraulic motor is a variable speed type that can be controlled in accordance with a command, and
The heat transfer motive, combine traveling device which characterized by including the changes can subtransmission mechanism rotation ratio between the output shaft and the branch axis.

The hydraulic motor is configured so that its rotational speed can be switched in two stages, and is provided with a selector switch for switching, and the sub-transmission mechanism is configured so as to be switchable in two stages, and a sub-transmission switching lever for the switching operation. The combine traveling device according to claim 1, wherein the combine traveling device is provided.

The combine traveling device according to claim 2, wherein a changeover switch for selecting a rotation speed of the hydraulic motor is arranged on the HST lever.

3. The combined travel device according to claim 2, wherein a changeover switch for selecting a rotation speed of the hydraulic motor is disposed on the auxiliary transmission changeover lever.