A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
DRIVING DEVICE AND CONSTRUCTION MACHINE
To provide a driving device which enables improvement of operability, and to provide a construction machine.SOLUTION: A driving device of an embodiment includes: a hydraulic pump 3; a tank 7; center passages L1, L2; a hydraulic motor 2; and a control device 5. The center passages L1, L2 allow communication between the hydraulic pump 3 and the tank 7. The hydraulic motor 2 is driven by oil sent from the hydraulic pump 3. The control device 5 includes a control valve 9, a pressure compensation control part 10, and a switch part 8. The control valve 9 adjusts a flow rate of the oil supplied to the hydraulic motor 2. The pressure compensation control part 10 is provided at an upstream side passage L3 and holds oil pressure in the upstream side passage L3 in a predetermined value. The switch part 8 switches a state of the pressure compensation control part 10 between a driving state and a non-driving state.SELECTED DRAWING: Figure 1
【課題】操作性を向上できる駆動装置及び建設機械を提供する。【解決手段】実施形態の駆動装置は、油圧ポンプ３と、タンク７と、センター通路Ｌ１，Ｌ２と、油圧モータ２と、制御装置５とを備える。センター通路Ｌ１，Ｌ２は、油圧ポンプ３とタンク７とを連通する。油圧モータ２は、油圧ポンプ３から送り出される油によって駆動される。制御装置５は、制御弁９と、圧力補償制御部１０と、切替部８とを備える。制御弁９は、油圧モータ２に供給される油の流量を調整する。圧力補償制御部１０は、上流側通路Ｌ３に設けられ、上流側通路Ｌ３の油圧を所定値内に保持する。切替部８は、圧力補償制御部１０の駆動状態と非駆動状態とを切り替える。【選択図】図１
DRIVING DEVICE AND CONSTRUCTION MACHINE
To provide a driving device which enables improvement of operability, and to provide a construction machine.SOLUTION: A driving device of an embodiment includes: a hydraulic pump 3; a tank 7; center passages L1, L2; a hydraulic motor 2; and a control device 5. The center passages L1, L2 allow communication between the hydraulic pump 3 and the tank 7. The hydraulic motor 2 is driven by oil sent from the hydraulic pump 3. The control device 5 includes a control valve 9, a pressure compensation control part 10, and a switch part 8. The control valve 9 adjusts a flow rate of the oil supplied to the hydraulic motor 2. The pressure compensation control part 10 is provided at an upstream side passage L3 and holds oil pressure in the upstream side passage L3 in a predetermined value. The switch part 8 switches a state of the pressure compensation control part 10 between a driving state and a non-driving state.SELECTED DRAWING: Figure 1
【課題】操作性を向上できる駆動装置及び建設機械を提供する。【解決手段】実施形態の駆動装置は、油圧ポンプ３と、タンク７と、センター通路Ｌ１，Ｌ２と、油圧モータ２と、制御装置５とを備える。センター通路Ｌ１，Ｌ２は、油圧ポンプ３とタンク７とを連通する。油圧モータ２は、油圧ポンプ３から送り出される油によって駆動される。制御装置５は、制御弁９と、圧力補償制御部１０と、切替部８とを備える。制御弁９は、油圧モータ２に供給される油の流量を調整する。圧力補償制御部１０は、上流側通路Ｌ３に設けられ、上流側通路Ｌ３の油圧を所定値内に保持する。切替部８は、圧力補償制御部１０の駆動状態と非駆動状態とを切り替える。【選択図】図１
DRIVING DEVICE AND CONSTRUCTION MACHINE
駆動装置及び建設機械
KOBAYASHI MASAYUKI (author) / SUMIMOTO ATSUSHI (author) / MIKAMI KOSUKE (author)
2020-08-31
Patent
Electronic Resource
Japanese
| European Patent Office | 2023