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TB/T 3094-2015 (TBT 3094-2015)

Chinese standards (related to): 'TB/T 3094-2015'
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TB/T 3094-2015English190 Add to Cart 0--3 minutes. Auto immediate delivery. Vestibule diaphragm of locomotive and rolling stock TB/T 3094-2015 Valid TBT 3094-2015
TB/T 3094-2004English439 Add to Cart 4 days Gangway bellows for railway passenger car TB/T 3094-2004 Obsolete TBT 3094-2004

Standard ID TB/T 3094-2015 (TB/T3094-2015)
Description (Translated English) Vestibule diaphragm of locomotive and rolling stock
Sector / Industry Railway & Train Industry Standard (Recommended)
Classification of Chinese Standard S31
Classification of International Standard 45.040.01
Word Count Estimation 23,251
Date of Issue 2015-07-02
Date of Implementation 2016-01-01
Older Standard (superseded by this standard) TB/T 2948-1999; TB/T 3094-2004
Regulation (derived from) State Railway-Science-Regulation (2015) No.27

TB/T 3094-2015: PDF in English (TBT 3094-2015)
TB/T 3094-2015
ICS 45.060.01
S 31
Replacing TB/T 3094-2004 and TB/T 2948-1999
Vestibule diaphragm of locomotive and rolling stock
Issued by. State Railway Administration
3. No action is required - Full-copy of this standard will be automatically &
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Table of Contents
Foreword ... 3 
1 Scope .. 4 
2 Normative References ... 4 
3 Terms and Definitions ... 6 
4 Working conditions .. 7 
5 Main characteristics ... 7 
6 Technical requirements ... 8 
7 Test ... 15 
8 Inspection rules .. 18 
9 Marking, packaging, transportation and storage ... 19 
Annex A (Informative) Basic structure of rubber vestibule diaphragm ... 21 
Annex B (Informative) Basic structure of pucker vestibule diaphragm ... 22 
Annex C (Informative) Ring sealed rubber vestibule diaphragm ... 24 
Annex D (Normative) Rain-proof performance test method .. 25 
Annex E (Normative) Thermal insulation test method .. 27 
Annex F (Normative) Sound-isolation test method ... 30 
This Standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This Standard replaces TB/T 2948-1999, Technical specification for rubber air shield
of railway passenger car, and TB/T 3094-2004, Gangway bellows for railway
passenger car.
Compared with TB/T 2948-1999 and TB/T 3094-2004, the major changes of this
Standard are as follows.
-- it adds the passage requirements for wheel chairs and small catering trucks (see
-- it adds the technical requirements for the assembly of rubber vestibule diaphragm
(see 6.1.3);
-- it adds the content of pressure-tight vestibule diaphragm for electric multiple units
(see 6.2);
-- it adds the pressure-tight requirements under pressure load (see;
-- it adds the content of exterior vestibule diaphragm (see 6.3);
-- it adds the content of iron vestibule diaphragm (see 6.4);
-- it adds the basic structures and compositions of all types of vestibule diaphragm
(see Annex A, Annex B and Annex C).
This Standard shall be under the jurisdiction of Qingdao Sifang Rolling Stock Research
Institute Co., Ltd.
The drafting organizations of this Standard. Qingdao Sifang Rolling Stock Research
Institute Co., Ltd., Zhuzhou Times New Material Technology Co., Ltd., CSR Qingdao
Sifang Rolling Stock Co., Ltd., Changchun Railway Vehicles Co., Ltd., CRRC
Tangshan Co., Ltd.
The main drafters of this Standard. Luan Pingjing, Sun Yan, Wang Jin, Gao Jun, Liu
Qingbo, Li Peng, Yan Feng, Wang Linmei, Fang Kejuan, Zhao Shiyou.
The previous editions of this Standard are as follows.
-- TB/T 2948-1999;
-- TB/T 3094-2004.
Vestibule diaphragm of locomotive and rolling stock
1 Scope
This Standard specifies the terms and definitions, working conditions, main
characteristics, technical requirements, test, inspection results, marking, packaging,
transportation and storage of vestibule diaphragm of locomotive and rolling stock.
This Standard applies to vestibule diaphragm of locomotive and rolling stock of
standard gauge railway (hereinafter referred to as vestibule diaphragm); and this
Standard may be referred to for other locomotives and rolling stocks.
2 Normative References
The following referenced documents are indispensable for the application of this
document. For dated references, only the edition dated applies to this document. For
undated references, the latest edition of the referenced documents (including all
amendments) applies to This Standard.
GB/T 528-2009, Rubber, vulcanized or thermoplastic - Determination of tensile
stress-strain properties (ISO 37.2005, IDT)
GB/T 529-2008, Rubber, vulcanized or thermoplastic - Determination of tear
strength (Trouser, angle and crescent test pieces) (ISO 34-1.2004, MOD)
GB/T 531.1-2008, Rubber, vulcanized or thermoplastic - Determination of
indentation hardness - Part 1. Duromerer method (Shore hardness) (ISO 7619-
1.2004, IDT)
GB/T 1220-2007, Stainless steel bars
GB/T 1682-1994, Rubber, vulcanized - Determination of low-temperature
brittleness (single test piece method)
GB/T 1689-1998, Rubber vulcanized - Determination of abrasion resistance
( Akron machine)
GB/T 1766-2008, Paints and varnishes - Rating schemes of degradation of coats
GB/T 1865-2009, Paints and varnishes - Artificial weathering and exposure to
artificial radiation - Exposure to filtered xenon-arc radiation
GB/T 3241-2010, Electroacoustics - Octave-band and fractional-octave-band
filters (IEC 60260.1995, MOD)
GB/T 3277, Corrugated steel plates with lath and lentilform
GB/T 3512-2001, Rubber, vulcanized or thermoplastic - Accelerated ageing and
heat resistance tests - Air-oven method (eqv ISO 188.1998)
GB/T 3785.1-2010, Electroacoustics - Sound level meters - Part 1. Specifications
(IEC 61672-1.2002, IDT)
GB/T 6892, Wrought aluminium and aluminium alloys - Extruded profiles for
commercial usage
GB/T 7762-2003, Rubber, vulcanized or thermoplastic - Resistance to ozone
cracking - Static strain test (ISO 1431-1.1989, MOD)
GB/T 9286-1998, Paints and varnishes - Cross cut test for films (eqv ISO 2409.1992)
GB/T 9754-2007, Paints and varnishes - Determination of specular gloss of non-
metallic paint films at 20°, 60°and 85°
GB/T 11186.3-1989, Methods for measuring the colour of paint films - Part 3.
Calculation of colour differences
GB/T 13934-2006, Rubber, vulcanized - Determination of flex cracking (ISO
132.1999, MOD)
GB/T 15173-2010, Electroacoustics - Sound calibrators (IEC 60942.2003, IDT)
GB/T 15256-1994, Rubber, vulcanized - Determination of low-temperature
brittleness (multiple test piece method)
GB/T 25343 (all parts), Railway applications - Welding of railway vehicles and
GB/T 50121-2005, Rating standard of sound insulation in buildings
TB/T 1674-1993, Heat insulation test method for passenger train
TB/T 1802-1996, Rain leakage test method for rolling stock
TB/T 1941-1999, Technical specifications for supply of chemical fibre plastic-coated
tarpaulin for freight car
TB/T 2218-2010, Tests on railway passenger cars negotiating minimum radius
TB/T 3139-2006, Decorating materials and indoor air limit of harmful substance for
railway locomotive and vehicle
NOTE. Modification of GB/T 4549.4-2004, Definition 4.1.4.
ring sealed rubber vestibule diaphragm
Vestibule diaphragm which is made by forming rubber material into U-shaped cross
section through vulcanization or other technique and assisting with aluminium alloy or
other profiles.
exterior vestibule diaphragm
A part which is installed at the end of car body and made of metal framework and
rubber profiles or composite materials, to reduce drag, mainly including compression-
type exterior vestibule diaphragm and non-contact-type exterior vestibule diaphragm.
4 Working conditions
4.1 Environmental temperature. - 40°C ~ + 40°C.
4.2 Relative humidity (when the average minimum temperature of the month is 25°C).
≤ 95%.
4.3 Altitude. ≤ 1 500 m.
4.4 Maximum air speed. ≤ 15 m/s, and occasionally 33 m/s.
5 Main characteristics
5.1 Passage width. ≥ 800 mm (not including area where there is protective apron at
the bottom).
5.2 Passage height. ≥ 1 885 mm.
5.3 Curve negotiating capability. complying with the requirements for minimum curve
radius negotiating test for car.
5.4 Air-tightness. free from the influences of dirt, dust, water and snow.
5.5 Thermal-insulation performance. good thermal insulation performance.
5.6 Sound-isolation performance. good sound-isolation performance.
5.7 It shall have a smooth space for the rapid passage of passengers, especially the
smooth passage of wheel chairs and small catering trucks. When a hoisting installation bears load, the height, levelness and
perpendicularity of the connection framework of vestibule diaphragm shall be
adjustable. When pucker vestibule diaphragm is not coupled, vestibule diaphragm shall
be hung securely at the end of car body. During coupling and uncoupling, rapid coupling connection, locking and
uncoupling and separation shall be achieved; and the time of coupling or uncoupling
shall not be greater than 20 min. For integrated vestibule diaphragm which is
connected directly to end wall through bolts, the time of coupling or uncoupling shall
not be greater than 50 min. After vestibule diaphragm is uncoupled, it shall be
convenient for the overhaul and coupling of gangway foot plates and door sill plates. For vestibule diaphragm in which decorating plates are not installed, the gap
between vestibule diaphragm and mechanism of gangway foot plates and door sill
plates shall be provided with protective measures to prevent personal injuries caused
by entry into the gap. For vestibule diaphragm in which decorating plates are installed, the
strength of decorating plates shall ensure that ......