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通过对松边刮板链可能出现的悬垂状态分析，确定出允许松边刮板链悬垂的极限位置，得出了计算该位置松边刮板链悬垂度的公式，并依此确定出了合理的排煤端底板的形状，从而避免了松边链条在排煤端底板上堆积而可能出现卡链现象的发生。
Through the analysis of the possible overhang state of the loose-side scraper chain, the limit position that allows the loose-side scraper chain to hang is determined. The formula to calculate the overhanging degree of the loose-side scraper chain is obtained and the reasonable Of the coal end of the shape of the bottom, so as to avoid the loose side of the chain in the accumulation of coal-side end of the accumulation of card may occur phenomenon.