CJ/T 412-2012
Technical specification for medium and low speed maglev turnout
1Scope
This standard specifies the terms and definitions, types of turnout, requirements, test methods, inspectionrules, safety and environmental protection, marking, packaging, transportation and storage, warranty period formedium and low speed maglev transit turnout.
This standard is applicable to the manufacture and acceptance of medium and low speed maglev transitturnout,with the straight speed of not more than 120km/h and the lateral speed of not more than 25km/h.
2 Normative references
The following referenced documents are indispensable for the application of this document. For datedreferences, only the edition cited applies. For undated references, the latest edition of the referenced document(including any amendments) applies.
GB/T 191 Pachaging-Pictorial Marhing for Handling of GoodsGB/T 699 Quality Carbon Structural SteelsGB/T 700 Carbon Structural Steedls
GB/T 985.1 Recommended Joint Preparation for Gas Welding, Manual Metal Are Welding, Gas-shield AreWelding and Beam Welding
GB/T 985.2 Recommended Joint Preparation for Submenged Arc WeldingGB/T 1591 High Srength Low Alloy Structural Steels
GB/T 1184Geomeirical Tolerancing-Geometrieal Tolerance for Features without Indiridual ToleranceIndications
GB/T 1801 Geometrical Product Specijfications (GPS)-Limits and Fits-Selection of Tolerance Zones and FitsGB/T 1804 General Tolerances-Tolerances for Linear and Angular Dimensions without IndividualTolerance Indications
GB/T 3323 Radiographic Examination of Fusion Welded Joints in Metallic MaterialsGB/T 4162 Forged and Rolled Steel Bars—Methodfor Ultrasonic Testing
GB 4824 Industrial, Scientifc and Medical Equipment-Radio-Frequency Disturbance Characteristics-Limits and Methods of Measurement
GB/T 5117 Covered Electrodes for Manual Metal Arc Welding of Non-alloy and Fine Grain SteelsGB/T 5118 Covered Electrodes for Manual Metal Arc Welding of Creep-resisting SteelsGB/T 5777 Seamless Steel Pipe and Tubing Methods for Ultrasonic Testing
GB/T 6417.1 Classification and Explanation of Imperfections in Fusion Welded Joints
GB 7251.1-2005 Low-voltage Switchgear and Controlgear Assemblies—Part 1:Type-tested and PartiallyType-tested Assemblies
GB/T 7417 AX Series Relaysfor Railuay Signaling
GB/T 8923.1Preparation of Steel Substrates before Application of Paints and Related Products-VisualAssessment ofSurface Cleanliness—Part l: Rust Grades and Preparation Grades of Uncoated Steel Substrates and
ofSteel Substrates after Overall Removal of Previous Coatings
GB/T 11352 Carbon Steel Castings for General Engineering PurposeGB/T 13306 Plates
GB/T 13384 General Specifications for Packing of Mechanical and Electrical Product
GB/T 17626.2 Electromagnetic Compatibility-Testing and Measurement Techniques-ElectrostaticDischarge Immunity Test
GB/T 17626.3 Electromagnetic Compatibility-Testing and Measurement Techniques-Radiated, Radio-Frequency, Electromagnetic Field Immunity Test
GB/T 17626.4 Electromagnetic Compatibility-Testing and Measurement Techniques-Electrical FastTransienl/Burst Immunity Test
GB/T 17626.5 Electromagnetic Compatibility-Testing and Measurement Techniques-Surge Immunity Test
JB 4730.4 Nondestructive Testing of Pressure Equipments-Part 4: Magnetic Particle Testing
JB 4730.5 Nondestructive Testing of Pressure Equipments-Part 5: Penetruant TestingJB/T 8468 Magnetic Particle Testing for Steel Forgings
JB/T 8854.2 Curved Tooth Coupling GII CLGI CLZ
JB/T 9050.1 Cylindrical Reduction Gear Units—Pant ]: General Technical RequirementJGJ 82 Technical Specification for High Strength Bolt Connections of Steel Structures
TB/T 1527 The Protection Coating Anti-corrosion and Specjfication for the Supply of Paintsfor Raihway Steel BridgeTB/T 1774 Technical Condition for Centralied Relay Electric InterlockTB/T 2615 Fail-safe Principle of Railway Signalling
TB 10002.1 Fundamental Codefor Design on Railway Bridge and Culnert
3 Terms and definitions
For the purpose of this document, the following termis and definitions apply.
3.1
Main body of structure
The main stressed components of the turnout, including the turnout beam, trolley, hinged connection rod,connection device at movable end, connection device for F-typed rail, F-typed rail, which support the maglevvehicles and participate in the turning of turnout.
3.2
Medium and low speed maglev turnout
The line switching equipment of medium and low speed maglev line which consists of the main body ofstructure, driving, locking, control and signaling systems, ete., and is elassified into the simple turnout, three-throw turmout,bilateral turnout, single crossover and scissors crossover according to the structural composition andthe line state after switching.
3.3
Switch time for turnout
The duration needed from the time the turnout control system receives the switching command to the time theturnout completes the switching and sends out the position indication signal.
3.4
Fixed end of turnout
The stationary end of the turnout in the process of switching.
