基本信息:
- 专利标题: 작동 기계의 유압 시스템을 제어하기 위한 방법
- 专利标题(英):A method for controlling a hydraulic system of a working machine
- 专利标题(中):一种控制工作机械液压系统的方法
- 申请号:KR1020127014170 申请日:2009-12-02
- 公开(公告)号:KR1020120092146A 公开(公告)日:2012-08-20
- 发明人: 비그홀름,보 , 에크발,안드레아스 , 하이브로엑,킴
- 申请人: 볼보 컨스트럭션 이큅먼트 에이비
- 申请人地址: SE-*** ** Eskilstuna, Sweden
- 专利权人: 볼보 컨스트럭션 이큅먼트 에이비
- 当前专利权人: 볼보 컨스트럭션 이큅먼트 에이비
- 当前专利权人地址: SE-*** ** Eskilstuna, Sweden
- 代理人: 윤의섭; 김수진
- 国际申请: PCT/SE2009/000505 2009-12-02
- 国际公布: WO2011068441 2011-06-09
- 主分类号: F15B11/17
- IPC分类号: F15B11/17 ; E02F9/22 ; B62D5/07 ; F15B21/08 ; F15B11/16 ; F15B7/00
The present invention relates to a method for controlling the hydraulic system 20 of the work machine, the hydraulic system the first hydraulic machine 21, and a hydraulic fluid for providing hydraulic fluid to the first actuator 22, the second provided to the actuator 24 and includes a first hydraulic machine (23) for providing hydraulic fluid to the first actuator (22). Method of claim 1 comprising the step of using the control mode, and in the first mode the hydraulic flow from the second hydraulic machine 23 is allowed to flow into the second actuator 24, the second hydraulic machine (23) pump pressure are selected based on the load pressure of the second actuator 24, regardless of the load pressure of the first actuator (22). Method using the second control mode, the hydraulic fluid from the first actuator (22) when the requested flow exceeds a predetermined threshold, the second hydraulic machine (23) to be allowed to flow to the first actuator (22) further comprises the step of: a second pump pressure of the hydraulic machine (23) is selected on the basis of the highest value of the load pressure of the load pressure and the first actuator 22 of the second actuator 24.