Advance rams of longwall powered roof supports–modernization

Powered roof support consistsof repeatable units of support, set to load in the rock mass between the roof and the floor. Their task is acorrect protection of the working, of the machines/devices and workers. Its compact design, a big extent of the roof coverage and a unit control ensure a correct and economic operation of a longwall.Awalkway in front of the legs ensures safety and a big comfort for the working crew.Supports meet all the safety and ergonomics requirements according to the PN-EN 1804-1,2,3Standards concerning safety and ergonomics of constructions. They meet basic safety requirements for machines and components according to the 98/37/EU Directive and basic requirements for devices and protective systems to be used in the spaces where an explosion hazard occurs according to the 94/9/EU Directive as devices of Group I, M2 Category. The main objective of this article is a presentation of a repair of a powered roof support subassembly such as an advance ram.

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Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).