A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
HYDRAULIC DRIVING DEVICE FOR WORKING MACHINE
PROBLEM TO BE SOLVED: To provide a hydraulic driving device for performing driving and energy regeneration of a plurality of objects to be driven with a simple configuration.SOLUTION: A hydraulic driving device includes a first pump motor 41, a second pump motor 42 which can be switched between a state for moving a first object to be driven with working fluid delivered from the first pump motor 41 and a state for operating as a pump with energy of the first object to be driven, a first pump motor line 40 for connecting the first and the second pump motors 41 and 42, a first accumulator 61 connected to the first pump motor line 40, a regeneration object hydraulic actuator 24 for moving a second object to be driven, a second accumulator 62 for receiving working fluid from the regeneration object hydraulic actuator 24, a second pump motor line 64 for connecting the second accumulator 62 with the first pump motor 41, and a release pressure change valve 68 for opening and closing the second pump motor line 64.SELECTED DRAWING: Figure 1
【課題】複数の駆動対象の駆動及びそのエネルギーの回生を簡単な構成で行う油圧駆動装置を提供する。【解決手段】油圧駆動装置は、第１ポンプモータ４１と、第１ポンプモータ４１から吐出される作動油によって第１駆動対象を動かす状態と前記第１駆動対象のエネルギーによってポンプとして作動する状態とに切換可能な第２ポンプモータ４２と、第１及び第２ポンプモータ４１，４２を接続する第１ポンプモータライン４０と、第１ポンプモータライン４０に接続される第１アキュムレータ６１と、第２駆動対象を動かす回生対象油圧アクチュエータ２４と、回生対象油圧アクチュエータ２４からの作動油を受け入れる第２アキュムレータ６２と、第２アキュムレータ６２を第１ポンプモータ４１に接続する第２ポンプモータライン６４と、第２ポンプモータライン６４を開閉する放圧切換弁６８と、を備える。【選択図】図１
HYDRAULIC DRIVING DEVICE FOR WORKING MACHINE
PROBLEM TO BE SOLVED: To provide a hydraulic driving device for performing driving and energy regeneration of a plurality of objects to be driven with a simple configuration.SOLUTION: A hydraulic driving device includes a first pump motor 41, a second pump motor 42 which can be switched between a state for moving a first object to be driven with working fluid delivered from the first pump motor 41 and a state for operating as a pump with energy of the first object to be driven, a first pump motor line 40 for connecting the first and the second pump motors 41 and 42, a first accumulator 61 connected to the first pump motor line 40, a regeneration object hydraulic actuator 24 for moving a second object to be driven, a second accumulator 62 for receiving working fluid from the regeneration object hydraulic actuator 24, a second pump motor line 64 for connecting the second accumulator 62 with the first pump motor 41, and a release pressure change valve 68 for opening and closing the second pump motor line 64.SELECTED DRAWING: Figure 1
【課題】複数の駆動対象の駆動及びそのエネルギーの回生を簡単な構成で行う油圧駆動装置を提供する。【解決手段】油圧駆動装置は、第１ポンプモータ４１と、第１ポンプモータ４１から吐出される作動油によって第１駆動対象を動かす状態と前記第１駆動対象のエネルギーによってポンプとして作動する状態とに切換可能な第２ポンプモータ４２と、第１及び第２ポンプモータ４１，４２を接続する第１ポンプモータライン４０と、第１ポンプモータライン４０に接続される第１アキュムレータ６１と、第２駆動対象を動かす回生対象油圧アクチュエータ２４と、回生対象油圧アクチュエータ２４からの作動油を受け入れる第２アキュムレータ６２と、第２アキュムレータ６２を第１ポンプモータ４１に接続する第２ポンプモータライン６４と、第２ポンプモータライン６４を開閉する放圧切換弁６８と、を備える。【選択図】図１
HYDRAULIC DRIVING DEVICE FOR WORKING MACHINE
作業機械の油圧駆動装置
UEMURA SHOHEI (author) / SUGANO NAOKI (author) / HORI NAOTO (author) / MAEKAWA TOMOHITO (author)
2017-03-23
Patent
Electronic Resource
Japanese