ARRANGEMENT FOR PROTECTING VENTILATION LINES IN BLASTING WORK IN MINE WORKINGS

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to mining industry and can be used u0434u043bu00a0 u043fu0440u043eu0432u0435u0442u0440u0438u0432u0430u043du0438u00a0 bad mines. the aim is to simplify mounting end point in a pipeline. this device u0434u043bu00a0 u0434u043bu00a0 u043fu0435u0440u0435u043cu0435u0449u0435u043du0438u00a0 end point 3 in the form of pipeline are located in a vertical plane through the longitudinal u043fu0440u043eu0445u043eu0434u00a0u0449u0435u0439 os b level 3, u0448u0430u0440u043du0438u0440u043du043e - u0440u044bu0447u0430u0436u043du043eu0433u043e mechanism.one side of u0440u044bu0447u0430u0436u043du043eu0433u043e mechanism is connected with a pipeline through a couple of u0432u0435u043du0442u0438u043bu00a0u0446u0438u043eu043du043du044bu043c u0432u0438u043du0442u043eu0432u0443u044e screw 8 with a nut 9 and the bracket 10. u0434u0440u0443u0433u0430u00a0 side u0440u044bu0447u0430u0436u043du043eu0433u043e mechanism u0441u0432u00a0u0437u0430u043du0430 free end 11 level 3 through the rod 12 with u043au0440u043eu043du0448u0442u0435u0439u043du043eu043c u043fu043eu043bu0437u0443u043du043eu043c 13 and 14. brackets 10 and 13 are placed in the upper part of the layer 3 and u0448u0430u0440u043du0438u0440u043du043e connected with the parties u0440u044bu0447u0430u0436u043du043eu0433u043e mechanism.the drive u043fu0440u0438u0441u043fu043eu0441u043eu0431u043bu0435u043du0438u00a0 u0434u043bu00a0 u043fu0435u0440u0435u043cu0435u0449u0435u043du0438u00a0 link 3 is executed in the form of a drum 15 with u0440u0443u043au043eu00a0u0442u043au043eu0439, united together by a screw 8, and u0442u00a0u0433u043eu0432u043eu0433u043e cord, one end anchored in the u0431u0430u0440u0430u0431u0430 not 15. before the demolition link 3 with the aid of u0432u0440u0430u0449u0435u043du0438u00a0 screw 8 for u0440u0443u043au043eu00a0u0442u044c by u0440u0430u0437u0432u0435u0434u0435u043du0438u00a0 levers in the extreme position u0441u0436u0438u043cu0430u0435u0442u0441u00a0, u043eu0442u043eu0434u0432u0438u0433u0430u00a0u0441u044c from u0437u0430u0431u043eu00a0.the inlet air to the flexible material in the compression u0432u043eu0437u0434u0443u0445u043eu043du0435u043fu0440u043eu043du0438u0446u0430u0435u043cu043eu0433u043e "harmonica" by u0432u044bu0442u0435u0441u043du0435u043du0438u00a0 her to the periphery. at the same time in the drum 15 u043du0430u043cu0430u0442u044bu0432u0430u044eu0442 u0442u00a0u0433u043eu0432u044bu0439 cord, the free end of which u043fu0440u043eu0442u00a0u0433u0438u0432u0430u044eu0442 cover. 1 u0437.u043f.u0444 - lu, 4).