Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Boosting walking hydraulic system of excavator and excavator
The invention provides a boosting walking hydraulic system of an excavator and the excavator, and the boosting walking hydraulic system of the excavator comprises a pump assembly for providing hydraulic drive for the hydraulic system; the reversing valve group is in fluid communication with the pump assembly and used for switching the flowing direction of fluid in the hydraulic system; the walking motor set is communicated with the reversing valve set and comprises a main walking motor and a boosting walking motor, and the boosting walking motor is used for providing auxiliary climbing and slope holding power when the excavator is in a climbing mode; the mode switching valve group is connected between the reversing valve group and the walking motor group and is used for controlling starting and stopping of the boosting walking motor; and the flow distribution control valve group has a downstream pressure compensation function and is used for controlling flow distribution between the single-side main walking motor and the boosting walking motor. The slope climbing performance and the slope holding performance of the excavator during slope operation are improved, the operation efficiency of the excavator is improved, and the stability and the safety of the excavator during slope operation are improved.
本申请提供了一种挖掘机助推行走液压系统及挖掘机，挖掘机助推行走液压系统包括：泵组件，为液压系统提供液压驱动；换向阀组，与泵组件流体连通，用于切换液压系统中流体的流动方向；行走马达组，与换向阀组连通，包括主行走马达和助推行走马达，助推行走马达用于在挖掘机爬坡模式时提供辅助爬坡和驻坡动力；模式切换阀组，连接在换向阀组与行走马达组之间，用于控制助推行走马达启闭；流量分配控制阀组，流量分配控制阀组具有阀后压力补偿功能，用于控制单侧主行走马达与助推行走马达之间的流量分配。提升了挖掘机在坡道作业时的爬坡、驻坡性能，提高了挖掘机的作业效率，增加了挖掘机在坡道作业时的稳定和安全性。
Boosting walking hydraulic system of excavator and excavator
The invention provides a boosting walking hydraulic system of an excavator and the excavator, and the boosting walking hydraulic system of the excavator comprises a pump assembly for providing hydraulic drive for the hydraulic system; the reversing valve group is in fluid communication with the pump assembly and used for switching the flowing direction of fluid in the hydraulic system; the walking motor set is communicated with the reversing valve set and comprises a main walking motor and a boosting walking motor, and the boosting walking motor is used for providing auxiliary climbing and slope holding power when the excavator is in a climbing mode; the mode switching valve group is connected between the reversing valve group and the walking motor group and is used for controlling starting and stopping of the boosting walking motor; and the flow distribution control valve group has a downstream pressure compensation function and is used for controlling flow distribution between the single-side main walking motor and the boosting walking motor. The slope climbing performance and the slope holding performance of the excavator during slope operation are improved, the operation efficiency of the excavator is improved, and the stability and the safety of the excavator during slope operation are improved.
本申请提供了一种挖掘机助推行走液压系统及挖掘机，挖掘机助推行走液压系统包括：泵组件，为液压系统提供液压驱动；换向阀组，与泵组件流体连通，用于切换液压系统中流体的流动方向；行走马达组，与换向阀组连通，包括主行走马达和助推行走马达，助推行走马达用于在挖掘机爬坡模式时提供辅助爬坡和驻坡动力；模式切换阀组，连接在换向阀组与行走马达组之间，用于控制助推行走马达启闭；流量分配控制阀组，流量分配控制阀组具有阀后压力补偿功能，用于控制单侧主行走马达与助推行走马达之间的流量分配。提升了挖掘机在坡道作业时的爬坡、驻坡性能，提高了挖掘机的作业效率，增加了挖掘机在坡道作业时的稳定和安全性。
Boosting walking hydraulic system of excavator and excavator
一种挖掘机助推行走液压系统及挖掘机
FAN KAIJUN (Autor:in) / XIA YAN (Autor:in) / FAN YINGJIE (Autor:in)
07.05.2024
Patent
Elektronische Ressource
Chinesisch
Excavator main valve, excavator hydraulic system and excavator
| Europäisches Patentamt | 2023