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采煤機制動器原理
采煤機制動器原理
更新时间:2025-07-07 07:33:15

  1、液壓制動器就是防止采煤機下滑的裝置,其結構如下,一般主要由外殼、花鍵套、動摩擦片、靜摩擦片、圓蓋、缸體、活塞及碟形彈簧組成。

  2、其裝在采煤機牽引電動機軸的端面,當采煤機工作時,制動器由液壓系統控制油路供油,推動活塞運動使彈簧被壓縮,同時使動靜摩擦片分開,處于松閘狀态。如需停機控制油被切斷,彈簧處于拉伸狀态,在其作用力下使活塞反向運動,将動靜摩擦片壓緊産生摩擦力矩,呈現抱閘狀态,機器被制動。

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