连续采煤机补偿凸轮机构的运动学分析

Kinematics Analysis of Compensating Cam Mechanism of Continuous Miner

为了提高连续采煤机补偿凸轮机构的设计质量,对其工作机构的运动学行为进行了深入研究。根据煤矿井下实际工作条件,分析了该机构的补偿工作原理和运动特性,建立了该机构从动件的摆动理论模型和平动理论模型。并且通过计算机模拟仿真,验证了理论模型的正确性。最后根据仿真结果,分析了从动件各运动参数随时间的变化规律,确定了从动件在运动过程中对相关零部件的冲击时刻点和冲击规律。为合理选择该机构的工作参数提供了科学理论依据。

It analyzes the kinematics of cam follower lever used in continuous miner to improve the design quality of compensating cam mechanism.Compensatory principle and kinematical characteristics of compensating cam mechanism used in continuous miner is investigated according to its working condition.Furthermore,swing and translation models of cam follower lever are also founded.Computer simulation is carried out to validate the exactitude of models.Finally,according to the result of computer simulation,the paper analyzes the cam follower lever＇s kinematics parameter with the change of time rule,determined the impact time and the impact regulation in athletic process of the cam follower lever collide other part.It could provide theoretical basis for the parameter tradeoff of compensating cam mechanism.