TB/T 2075.20-2010
Fittings for overhead contact system in electrification railway.Part 20:Fitting for additive wire (English Version)

Standard No.

TB/T 2075.20-2010

Language

Chinese, Available in English version

Release Date

2010

Published By

Professional Standard - Railway

Status

Be replaced 2021-05

Replace By

TB/T 2075.20-2020

Latest

TB/T 2075.20-2020

Replace

TB/T 2075.7-2002 TB/T 2075.9-2002 TB/T 2075.10-2002 TB/T 2075.30-2002

Scope

This part specifies the types, markings, materials, technical requirements, inspection rules, test methods, marking and packaging requirements of the main common parts of additional wire suspension and anchoring devices. This section applies to lifting rings, long lifting rings, pestle saddles, double-ear saddles, XX type tension clamps and UT type tension clamps used in the installation of additional conductors in electrified railway contact network systems.

TB/T 2075.20-2010 Referenced Document

• GB/T 1220-2007 Stainless steel bars
• GB/T 196-2003 General purpose metric screw threads--Basic dimensions
• GB/T 197-2003 General purpose metric screw threads--Tolerances
• GB/T 3098.15-2000 Mechanical properties of fasteners Nuts made of stainless-steel
• GB/T 3098.6-2000 Mechanical properties of fasteners-Bolts,screws and studs made of stainless-steel
• GB/T 31.1-1988 Hexagon bolts with split pin hole on shank--Product grade A and B
• GB/T 3190-2008 Wrought aluminium an aluminium alloy.Chemical composition
• GB/T 4056-2008 Ball and socket coupling dimensions of string insulator units
• GB/T 41-2000 Hexagon nuts-Product grade C
• GB/T 5231-2001 Wrought copper and copper alloys chemical composition limits and forms of wrought products
• GB/T 5782-2000 Hexagon head bolts
• GB/T 6170-2000 Hexagon nuts,style 1
• GB/T 700-2006 Carbon structural steels
• GB/T 72 Slotted set screws with cone point
• GB/T 848-2002 Plain washers--Small series--Product grade A
• GB/T 91-2000 Split pins
• GB/T 93-1987 Single coil spring lock washers,normal type
• GB/T 95-2002 Plain washers--Product grade C

TB/T 2075.20-2010 history

• 2020 TB/T 2075.4-2020 Electrified railway catenary components Part 4: Non-limiting positioning devices
• 2010 TB/T 2075.4-2010 Fittings for overhead contact system in electrification railway.Part 4:Non-limited steady device
• 2002 TB/T 2075.20-2002 Fittings for overhead contact system of electrification railway-Part 20:Steady arm for curve line t-type

TB/T 2075.20-2010 Fittings for overhead contact system in electrification railway.Part 20:Fitting for additive wire has been changed from TB/T 2075.7-2002 Fittings for overhead contact system of electrification railway-Part 7:Socket and clamp.

TB/T 2075.20-2010 Fittings for overhead contact system in electrification railway.Part 20:Fitting for additive wire has been changed from TB/T 2075.9-2002 Fittings for overhead contact system of electrification railway-Part 9:Clamp for suspension.

TB/T 2075.20-2010 Fittings for overhead contact system in electrification railway.Part 20:Fitting for additive wire has been changed from TB/T 2075.10-2002 Fittings for overhead contact system of electrification railway-Part 10:Extended clamp for suspension.

TB/T 2075.20-2010 Fittings for overhead contact system in electrification railway.Part 20:Fitting for additive wire has been changed from TB/T 2075.30-2002 Fittings for overhead contact system of electrification railway-Part 30:Strain clamp UT-type.