This standard specifies such requirements for third-rail current collector in railway application as operating conditions, performance requirements, inspection methods, inspection rules, RAMS requirements as well as marking, packaging, transportation and storage.
It is applicable to the third-rail current collector collecting current from upper or lower part (referred to as the current collector), with the speed of the subway and light rail vehicles not exceeding 120km/h.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies
GB/T 1239.1-2009 Cold coiled helical springs technical specifications - Part 1: Extension spring
GB/T 1239.3-2009 Cold coiled helical springs technical specifications - Part 3: Torsion spring
GB/T 1402-2010 Railway applications - Supply voltages of traction systems (IEC 60850: 2007, MOD)
GB/T 2423.1-2008 Environmental testing for electric and electronic products - Part 2: Test methods - Tests A: Cold (IEC 60068-2-1:2007, IDT)
GB/T 2423.2-2008 Environmental testing for electric and electronic products - Part 2: Test methods - Test B: Dry heat (IEC 60068-2-2:2007, IDT)
GB/T 2423.17 Environmental testing for electric and electronic products - Part 2: Test methods - Test Ka: Salt mist
GB 2894 Safety signs and guideline for the use
GB 4208-2008 Degrees of protection provided by enclosure (IP code) (IEC 60529: 2001, IDT)
GB/T 7928-2003 General technical specification for metro vehicles
GB/T 12528-2008 Cables used for rail vehicles with the alternate current rated voltage of 3kV or below
GB/T 13539.1-2008 Low-voltage fuses - Part 1: General requirements (IEC 60269-1:2006, IDT)
GB/T 18269-2008 Live working - Hand tools for use up to 1kV a.c .and 1.5kV d.c. (IEC 60900:2004, MOD)
GB/T 21413.1-2008 Railway applications - Electric equipment for rolling stock - Part 1: General service conditions and general rules (IEC 60077-1:1999, IDT)
GB/T 21413.5-2008 Railway applications - Electric equipment for rolling stock - Part 5: Electrotechnical components - Rules for HV rules (IEC 60077-5:2003, IDT)
GB/T 21562 Railway applications - Specification and demonstration of reliability, availability, maintainability and safety (RAMS)
GB/T 21563-2008 Railway applications - Rolling stock equipment - Shock and vibration tests (IEC 61373:1999, IDT)
JB/T 5923-1997 Rules of pneumatic fluid power cylinders
TB/T 2843 General technical requirement for rolling stock rubber to metal parts
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
third-rail
rigid metal rail (also known as a contact rail) that is mounted parallel to the running rail on the side of the vehicle gauge and is equipped with an insulator for electrical isolation
GB/T 32589-2016 The following standards are cited：
