The chain interruption during the operation of chain scraper conveyor is due to the presence of coal on the upper chain and the hidden concealment of the lower chain, which can only be judged from the symptoms. When the medium and single chain scraper conveyor is running, the scraper chain suddenly sags or accumulates under the machine head or the side double chain scraper conveyor is suddenly skewed during operation, indicating that the chain has been broken.
Xiaobian and everyone talk about the reasons for the chain interruption of the scraper chain conveyor operation. It is mainly caused by too much coal loading and overloading the scraper chain; the working surface is not straight and flat, especially the curved surface of the working surface. The outer chain of the side double chain is overloaded and is most likely to be broken. In addition to the average load, the scraper chain must transmit the dynamic load of the sprocket in use. The chain is subjected to dynamic loading for a long time, which causes fatigue damage, increased pitch, and reduced strength; the quality of the chain itself is poor.
