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刮板输送机作为重要的煤炭运输设备，其性能好坏及可靠性直接影响煤矿的安全高效生产及煤炭连续高效运输。为了获得综合性能优良的刮板输送机，国内外众多学者对刮板输送机的各种性能进行研究和分析。基于众多学者的研究，以某型刮板输送机为研究对象，基于 PLC 设计了刮板输送机链条保护系统，为刮板输送机整体综合性能提升、智能化改进等方面提供了有益的借鉴。“,”As an important coal transport equipment, scraper conveyor performance and reliability directly affect the safety and efficient production of coal mine and coal continuous and efficient transport. In order to obtain a scraper conveyor with excellent comprehensive performance, many scholars at home and abroad study and analyze the various properties of the scraper conveyor. Based on the research of many scholars, taking a certain type of scraper conveyor as the research object, the chain protection system of the scraper conveyor is designed based on PLC, which provides a useful reference for the improvement of the overall comprehensive performance of the scraper conveyor and the improvement of intelligence.