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60kg／m钢轨12号提速单开道岔目前已用扣件与原60kg／m钢轨12号单开道岔扣件有所不同。1提速道岔扣件的设计原则（1）无论木岔枕或混凝土岔枕均采用Ⅱ型弹条分开式扣件，弹条弹程为10mm，初始扣压力不小于10kN。转辙器滑床板及护轨垫板在基本轨里侧采用弹片扣压。（2）扣件调距
60kg / m rail 12 speed single turnouts currently used fasteners with the original 60kg / m rail No. 12 single-turnout fasteners are different. 1 speed up the principle of the turnout fastener (1) No matter whether the sleeper switch or the concrete sleeper pillow adopt the Ⅱ type elastic strip separate type fastener, the elastic strip is 10mm and the initial clamping pressure is not less than 10kN. Switch rail slide board and guard rails in the basic side of the track using shrapnel buckle. (2) fastener adjustment