刮板输送机链轮链环的力学特性

Mechanical Characteristics of Sprocket Chain Ring of Scraper Conveyor

摘要: 为了提高综采工作面的工作效率。并根据刮板输送机的实际工作环境，我们基于冲击动力学理论和非线性接触理论考虑摩擦因素及啮合接触等因素，运用ANSYS/LS-DYNA对启动过程中链环之间和链环与链轮啮合冲击过程进行数值模拟仿真，分析出启动时链条、链轮的应力分布、应变等动态特性，从而分析出链轮链环振动冲击特性。主要介绍了两种接触类型的磨损，并且列举了影响链传动系统损伤的因素。本文为提高链轮链环使用寿命和工作的可靠性提供了理论依据。

Abstract: In order to improve the working efficiency of fully mechanized mining face, and according to the actual working environment of scraper conveyor, based on impact dynamics theory and non-linear contact theory, considering friction factors and meshing contact factors, we use numerical simulation to simulate the meshing impact process between chain rings and chain rings and sprockets during start-up, and analyze the stress distribution of chain and sprocket during start-up. The dynamic characteristics such as strain are used to analyze the vibration and impact characteristics of sprocket chain ring. This paper mainly introduces two types of contact wear, and lists the factors that affect the damage of chain drive system. This paper provides a theoretical basis for improving the service life and working reliability of sprocket chain ring.