The invention relates to underground mining. A method is proposed for fastening a moving treatment plant, which provides high reliability when using simple fastening materials, while it is high-tech and low-cost. The method is based on the fact that the lower end of the mounting beam is buried in an array of loose bookmarks. At the stage of preparation for breaking the ore belt confined to the side wall of the mine, the upper end of the beam abuts against the side wall (Fig. 2). Due to its own weight and vertical pressure of the roof, the beam self-wedges and works in the beam mode with fixed ends. After breaking the ore ribbon, the beam begins to work in console mode, performing its protective functions (Fig. 3). After the ore is shipped, the beam is pulled up to the stop of its upper end against the mine wall (Fig. 4), i.e. both ends are fixed again.
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