PROBLEM TO BE SOLVED: To provide a power transmission device of a harvesting machine which can increase the minimum ground clearance of the machine body and which can ensure smoothness in turning and also ensure straight traveling performance, and to provide a harvesting machine.SOLUTION: A power transmission device 10 includes: a first continuously variable transmission device 20 including a first hydraulic pump 21 to which the driving force of an engine 7 is inputted and a first hydraulic motor 22 which has a first output shaft 25 for outputting the inputted driving force to one traveling device 2; a second continuously variable transmission device 30 including a second hydraulic pump 31 to which the driving force of the engine 7 is inputted and a second hydraulic motor 32 which has a second output shaft 35 for outputting the inputted driving force to the other traveling device 2; and a state switching mechanism 50 which can switch between the synchronous driving state, in which the rotation of the first output shaft 25 is synchronized with the rotation of the second output shaft 35, and the non-synchronous driving state, in which the rotation of the first output shaft is not synchronized with the rotation of the second output shaft.SELECTED DRAWING: Figure 2
【課題】機体の最低地上高を高くでき、旋回時の滑らかさを確保しながら、直進性も確保できる収穫機の動力伝達装置及び収穫機を提供する。【解決手段】動力伝達装置10は、エンジン7の駆動力が入力される第一油圧ポンプ21と、入力された駆動力を一方の走行装置2へ出力する第一出力軸25を有する第一油圧モータ22とを備えた第一無段変速装置20と、エンジン7の駆動力が入力される第二油圧ポンプ31と、入力された駆動力を他方の走行装置2へ出力する第二出力軸35を有する第二油圧モータ32とを備えた第二無段変速装置30と、第一出力軸25の回転と第二出力軸35の回転とを、一致させる同調駆動状態または一致させない非同調駆動状態に切り替え可能な状態切替機構50とを備えている。【選択図】図2
POWER TRANSMISSION DEVICE OF HARVESTING MACHINE AND HARVESTING MACHINE
収穫機の動力伝達装置及び収穫機
08.09.2016
Patent
Elektronische Ressource
Japanisch