TB/T 3065-2020 Type II fastening system
1 Scope
This standard specifies the composition, assembly performance, technical requirements of parts, inspection methods, inspection rules, marking, packaging, storage and transportation of type II fastener system.
This standard is applicable to the type II fastener system for passenger and cargo common line railway line and lines with curve radius of not less than 295m, all kinds of railway station lines of ballasted track concrete pillow 60kg/m or 75kg/m rail.
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 224 Determination of depth of decarburization of steel
GB/T 230.1 Metallic materials - Rockwell hardness test - Part 1: Test method
GB/T 443 Lubricating oils for total loss systems L-AN
GB/T 528 Rubber, vulcanized or thermoplastic - Determination of tensile stress-strain properties
GB/T 531.1 Rubber vulcanized or thermoplastic - Determination of indentation hardness - Part 1: Duromerer method (Shore hardness)
GB/T 1222 Spring steels
GB/T 1689 Rubber vulcanized - Determination of abrasion resistance (Akron machine)
GB/T 1690 Rubber, vulcanized or thermoplastic - Determination of the effect of liquids
GB/T 2828.1 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
GB/T 3512 Rubber, vulcanized or thermoplastic - Accelerated ageing and heat resistance tests - Air-oven method
GB/T 6461 Methods for corrosion testing of metallic and other inorganic coatings on metallic substrates - Rating of test specimens and manufactured articles subjected to corrosion tests
GB/T 9789 Metallic and other non-organic coatings - Sulfur dioxide test with general condensation of moisture
GB/T 10125 Corrosion tests in artificial atmospheres - Salt spray tests
GB/T 15822.1 Non-destructive testing - Magnetic particle testing - Part 1: General principles
TB/T 1495 Type I fastening system
TB/T 2478 Grading diagram for elastic strip metallographic structure
TB/T 3395.1-2015 Fastening systems for high-speed railway - Part 1: General requirement
TB/T 3396.1 Test methods for fastening systems of high-speed railway - Part 1: Determination of longitudinal rail restraint
TB/T 3396.3 Test methods for fastening systems of high-speed railway - Part 3: Determination of static stiffness for fastening assembly
TB/T 3396.4 Test methods for fastening systems of high-speed railway - Part 4: Test of fatigue performance of fastening assembly
TB/T 3396.5 Test methods for fastening systems of high-speed railway - Part 5: Determination of electrical resistance
TB/T 3396.7 Test methods for fastening systems of high-speed railway - Part 7: Vertical load test for cast-in fastening components
YB/T 2010 Hot-rolled sections for fastenner of rail
3 Terms and definitions
There are no terms and definitions that need to be defined in this document.
4 Fastener composition
Type II fastening system is composed of spring clip, gauge baffle, baffle seat, underrail subplate, nut, flat washer and spiral spike, and can also include underrail high backing plate. The connection and assembly of fasteners are shown in Figure 1.
Dimensions in millimeters
Foreword I
1 Scope
2 Normative references
3 Terms and definitions
4 Fastener composition
5 Assembly performance
6 Technical requirements for components
7 Inspection methods
8 Inspection rules
9 Marking and packaging
10 Storage and transportation
11 Assembling and configuration
Annex A (Informative) Assembling and configuration of type II fastener system
