为了满足深部固体矿产、油页岩、煤层气、天然气水合物等资源勘探开发的需要,提出了钻机负荷传感泵控液压系统的设计思路。通过建立模型,重点分析了给进调压系统、回转和升降调速系统的工作原理、节能效率和静动态特性等。其分析和室内试验结果表明,与以往钻机相比,系统调压稳定,具有良好的无级调速和带载平稳启停功能,在运行过程中能量损耗较小,具有显著的节能效果。 In order to meet the needs of exploration and development of resources such as deep solid mineral, oil shale, coalbed methane and natural gas hydrate, the design idea of ​​hydraulic control system of drilling load sensing pump was put forward. Through the establishment of the model, the working principle, energy saving efficiency and static and dynamic characteristics of the pressure regulating system, the slewing and ascending and descending speed regulating system are mainly analyzed. The analysis and laboratory test results show that compared with the conventional drilling rig, the system has stable pressure regulation, good stepless speed regulation and smooth start-stop function with load, and less energy loss during operation, with significant energy saving effect.