An active compensation crane hydraulic system comprises a controller, a hydraulic pump set, a high-frequency response valve control valve set, a proportional control valve set, a first locking valve set, a second locking valve set, a control mode switching valve set and an executing mechanism, and the high-frequency response valve control valve set comprises a one-way electromagnetic ball valve, a high-frequency response valve and a first two-way electromagnetic ball valve. The proportional control valve group comprises a proportional direction valve and a second bidirectional electromagnetic ball valve, the first locking valve group comprises a first two-way cartridge valve and a first balance valve, the second locking valve group comprises a second two-way cartridge valve, a second balance valve, a first shuttle valve and a first hydraulic control reversing valve, and the control mode switching valve group comprises a first electromagnetic reversing valve and a second electromagnetic reversing valve. The system has a high-precision active compensation control mode and a simple and reliable proportional control mode, the two control modes can be switched mutually, and the system is high in safety and reliability.
一种主动补偿起重机液压系统,包括控制器、液压泵组、高频响阀控制阀组、比例控制阀组、一号锁紧阀组、二号锁紧阀组、控制模式切换阀组、执行机构,高频响阀控制阀组包括单向电磁球阀、高频响阀、一号双向电磁球阀,比例控制阀组包括比例方向阀、二号双向电磁球阀,一号锁紧阀组包括一号二通插装阀、一号平衡阀,二号锁紧阀组包括二号二通插装阀、二号平衡阀、一号梭阀、一号液控换向阀,控制模式切换阀组包括一号电磁换向阀、二号电磁换向阀。本系统具有精度较高的主动补偿控制模式以及简单可靠的比例控制模式,两种控制模式可相互切换,系统安全可靠性高。
Active compensation crane hydraulic system and control method thereof
一种主动补偿起重机液压系统及其控制方法
2023-06-23
Patent
Electronic Resource
Chinese
Multi-degree-of-freedom active compensation crane hydraulic system
European Patent Office | 2023
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