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针对斜直井齿轮齿条钻机特殊的管柱上/卸扣作业要求,提出了一种轨道钳作业装置和该装置的液压控制单元。基于键合图理论建立了轨道钳主、背钳夹紧系统和主钳转矩系统的键合图模型,并推导出了每个键合图模型的系统状态方程。基于20-Sim软件建立了轨道钳系统的键合图仿真模型,完成了对轨道钳系统的动态仿真,分析了系统动态特性产生的原因,验证了所建立的轨道钳系统的合理性。研究结果可为轨道钳系统装置的研制提供技术支持和理论指导。
Aiming at the requirements of the special pipe string / shackle operation of the inclined straight shaft gear and rack drilling rig, a rail clamp working device and a hydraulic control unit of the device are proposed. Based on the bond graph theory, the bond graph model of the main caliper, back clamp and the main caliper torque system was established, and the system state equation of each bond graph model was deduced. Based on the 20-Sim software, the simulation model of the bond diagram of the rail forceps system was established, the dynamic simulation of the rail forceps system was completed, the reason of the dynamic characteristics of the system was analyzed, and the rationality of the established rail forceps system was verified. The research results can provide technical support and theoretical guidance for the development of rail clamp system.