At present,urban rail transit mostly uses rigid overhead catenary power supply mode to provide electric power for electric passenger vehicle.The rigid catenary has the characteristics of low operating cost,high reliability and simple maintenance,and small failure and damage range in accident state.However,the rigid catenary wears out quickly,and the serious wear of the pantograph pantograph-catenary attrition will greatly reduce the service life of the catenary,and increase the operating cost.Taking Tianjin Metro Line 6 as an example,this paper proposes the method of replacing rigid catenary with overhead steel and aluminum composite rail,in order to improve the wear condition of catenary,promotes the good matching of pantograph,and improves the quality of equipment to ensure the safety of equipment.
urban rail transitcatenarypantograph-catenary attritionsteel and aluminum composite railgood matching of pantograph
国家科技期刊平台
NSTL
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