PROBLEM TO BE SOLVED: To make a worker clearly remind to which drive state the worker should switch a hydraulic pump, and to prevent that a hydraulic operation-type working machine performs an unexpected motion resulting from an improper switching operation of the drive state, in accessories of the working vehicle in which the hydraulic pump can be selectively driven by an engine and an electric motor.SOLUTION: An engine drive state selecting switch P-SW and a motor drive state selecting switch M-SWf which can perform a switching operation to an on-position or an off-position are made differently independent. When the motor drive state selecting switch M-SWf is in the on-position, changeover to a motor drive state is permitted, and when the engine drive state selecting switch P-SW is in the on-position, changeover to an engine drive state is permitted. Even if one of the switches is switch-operated to the on-position from the off-position in a state that the other of the switches is in the on-position, an input of the switching operation is invalidated and a drive state before the switching operation is maintained.
【課題】 作業車両の架装物において、油圧ポンプをエンジン及び電動モータで選択的に駆動可能とした上で、何れの駆動状態に切換えるかを作業員に明確に意識付けさせ得るようにし、併せて、駆動状態の不用意な切換え操作に起因して油圧作動式の作業機が予期せぬ動作をするのを防止する。【解決手段】オン位置又はオフ位置に各々切換操作可能なエンジン駆動状態選択用スイッチP−SW及びモータ駆動状態選択用スイッチM−SWfを別個独立させ、モータ駆動状態選択用スイッチM−SWfがオン位置にある場合にはモータ駆動状態への切換えを、またエンジン駆動状態選択用スイッチP−SWがオン位置にある場合にはエンジン駆動状態への切換えをそれぞれ許容するが、それらスイッチの何れか一方がオン位置にある状態で、その何れか他方をオフ位置からオン位置に切換操作してもその切換操作入力を無効として切換操作前の駆動状態を維持する。【選択図】 図4
ACCESSORIES OF WORKING VEHICLE
作業車両の架装物
2016-01-14
Patent
Electronic Resource
Japanese
IPC: | B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B65F GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE , Sammeln oder Entfernen von Haus- oder ähnlichem Müll |