This part specifies the type, marking, materials, inspection rules, test methods, marking and packaging of positioning rings. This section is applicable to the wrist arms and positioning tubes of electrified railway catenary systems for connecting positioners or positioning rings for connecting other hook-type parts.
2010TB/T 2075.3-2010 Fittings for overhead contact system in electrification railway.Part 3:Limited steady device
2002TB/T 2075.24-2002 Fittings for overhead contact system of electrification railway-Part 24:Eye end holder for tuble
TB/T 2075.24-2002 Fittings for overhead contact system of electrification railway-Part 24:Eye end holder for tuble was changed to TB/T 2075.3-2010 Fittings for overhead contact system in electrification railway.Part 3:Limited steady device.