This part specifies the type, marking, materials, technical requirements, inspection rules, test methods, marking and packaging of special positioners. This section is applicable to the special positioner that fixes the position of the contact line at the insulated joint center column of the electrified railway contact network system with a line curve radius of not less than 1000M.
2010TB/T 2075.4-2010 Fittings for overhead contact system in electrification railway.Part 4:Non-limited steady device
2002TB/T 2075.18-2002 Fittings for overhead contact system of electrification railway-Part 18:Steady arm T-type
TB/T 2075.18-2002 Fittings for overhead contact system of electrification railway-Part 18:Steady arm T-type was changed to TB/T 2075.4-2010 Fittings for overhead contact system in electrification railway.Part 4:Non-limited steady device.