GB/T 12818-2021 English PDFUS$339.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 12818-2021: Rules for inspecting and testing of railway passenger car after completion of construction Status: Valid GB/T 12818: Historical versions
Basic dataStandard ID: GB/T 12818-2021 (GB/T12818-2021)Description (Translated English): Rules for inspecting and testing of railway passenger car after completion of construction Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: S50 Word Count Estimation: 18,187 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 12818-2021: Rules for inspecting and testing of railway passenger car after completion of construction---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order. Rules for inspecting and testing of railway passenger car after completion of construction ICS 45.060.20 S50 National Standards of People's Republic of China Replace GB/T 12818-2004, partly replace GB/T 12816-2006 Inspection and test rules for railway passenger cars after assembly Released on 2021-03-09 2021-10-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee Table of contentsForeword Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 2 4 Visual inspection 2 5 Structural inspection and test 2 6 Performance check and test 3 7 Operational evaluation test 6 8 Inspection and test rules 6 Appendix A (Normative Appendix) Internal Noise Test of Railway Passenger Car 8 Appendix B (informative appendix) Test location for internal noise test of railway passenger car 10 Reference 13 Inspection and test rules for railway passenger cars after assembly1 ScopeThis standard specifies the inspection and test rules for newly-built railway passenger cars after assembly, and specifies the inspection and test items, and inspections included in each type of test Check and test methods. This standard is applicable to new general-purpose railway passenger cars with standard gauges with a maximum operating speed of not more than.200km/h. Special vehicles, maintenance Cars, test cars, international passenger cars, etc. can be used as reference.2 Normative referencesThe following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document. GB/T 311.1 Insulation coordination Part 1.Definitions, principles and rules GB/T 3241 Electroacoustic Octave and Fractional Octave Filter GB/T 3785 (all parts) Electroacoustic sound level meter GB/T 4549 (all parts) Railway vehicle vocabulary GB/T 5599 Specification for Dynamic Performance Evaluation and Test Appraisal of Locomotives and Rolling Stock GB/T 8170 Numerical rounding rules and the expression and determination of limit values GB/T 12817 General Technical Requirements for Railway Passenger Cars GB/T 16904.1 Standard Gauge Railway Locomotive and Rolling Stock Inspection Part 1.Inspection Method GB/T 17626.2 Electromagnetic compatibility test and measurement technology Electrostatic discharge immunity test GB/T 17627 High-voltage test technology definition, test and procedure requirements for low-voltage electrical equipment, test equipment GB/T 24338.4 Rail Transit Electromagnetic Compatibility Part 3-2.Locomotive and Rolling Stock Equipment GB/T 33193.2 Railway Car Air Conditioning Part 2.Type Test TB/T 1492 Railway vehicle brake single-car test TB/T 1674 Test Method for Thermal Insulation Performance of Railway Passenger Cars TB/T 1720 Water Supply Device for Railway Passenger Cars and EMUs TB/T 1740 Method for measuring the weight of rolling stock TB/T 1802 Water tightness test method for railway vehicles TB/T 2218 Railway Passenger Cars Pass the Minimum Radius Curve Test TB/T 2231.1-2017 Railway Vehicle Braking System Part 1.Passenger Cars TB/T 2433 Operational test method of air-conditioning equipment for railway passenger cars and EMUs TB/T 2917.1 Railway Passenger Cars and EMU Lighting Part 1.General Requirements TB/T 3009 Anti-skid device for locomotive brake system TB/T 3139 Locomotive interior materials and indoor air harmful substances limit TB/T 3143 Close-connected coupler buffer device for rolling stock TB/T 3216 Plateau Railway Passenger Car Oxygen Supply System TB/T 3250 EMU seal design and test specification TB/T 3338 Railway passenger car and EMU stool collection device TB/T 3502 Railway Passenger Car and EMU Modal Test Method and Evaluation TB/T 3548 General Rules for Strength Design and Test Appraisal of Locomotives and Rolling Stock TB/T 3549.1 Specification for Strength Design and Test Appraisal of Locomotives and Rolling Stock Bogies Part 1.Bogie Frames TB/T 3550.1 Specification for Strength Design and Test Appraisal of Locomotives and Rolling Stock Car Body Part 1.Passenger Car Body3 Terms and definitionsThe terms and definitions defined in GB/T 4549 (all parts) apply to this document.4 Visual inspection4.1 Check whether the model specifications, structural forms, installation positions, piping, wiring, painting, markings, etc. of the following components comply with GB/T 12817, Regulations related to standards and technical documents. a) Car body; b) Car doors and windows; c) In-vehicle equipment; d) Coupler buffer device and external equipment of the car body; e) bogie; f) Braking device; g) Water supply and sanitation equipment; h) Ventilation, heating and air conditioning equipment; i) Vehicle electrical equipment; j) Fire safety equipment. 4.2 Check whether the connection status of the connecting bolts, rivets, and pins of each component meets the requirements of the relevant technical documents.5 Structural inspection and testing5.1 Inspection and test environment If there are no special regulations, inspections and tests should be carried out in an empty state. 5.2 Dimensional inspection of car body and bogie The vehicle should perform the following inspections on a straight road, with brakes relieved, and air springs filled with air. a) The car body is tilted; b) The height of the centerline of the coupler, and calculate the height difference of the centerline of the coupler of the same vehicle; c) The sum of the side bearing clearance on each side and the side bearing clearance on both sides of the same end (except for the side bearing car body); d) The vertical distance between the components installed on the underframe and the upper part of the bogie; e) The relevant size and clearance of the bogie. Check whether the result meets the requirements of GB/T 12817 and related technical documents. 5.3 Limit check The inspection of passenger car limits shall be carried out in accordance with the methods specified in GB/T 16904.1. For the inspected vehicle for type test, the upper boundary inspection should be carried out in the empty state; the lower boundary inspection should be carried out in the heavy vehicle state. Should be included in the maximum allowable wear value of the component in the vertical direction. For the vehicle under inspection for routine tests, the upper boundary inspection should be carried out in the empty state; the lower boundary inspection can be simplified, that is, when the vehicle is empty The lower limit inspection is carried out in the state, but the spring compression value of the vehicle in the heavy state, the deformation value of the vehicle body due to the load, and the zero part shall be taken into account The maximum allowable wear value of the piece in the vertical direction. 5.4 Weighing test Weigh in accordance with TB/T 1740 and check whether the test results meet the requirements of relevant technical documents. 5.5 Curve passing test The test of passing the minimum radius curve shall be carried out in accordance with the provisions of TB/T 2218, and the passenger car shall pass the minimum radius specified in GB/T 12817 Curve, check the connection devices (couplers, electrical connectors, connecting cables, brake hoses, windshields, ferry plates, etc.) at the end of the car, the connection between the car body and the bogie Whether the connecting device is collided or damaged, and whether the track is subjected to undue compression and permanent deformation. 5.6 Vehicle water tightness test The water tightness test of the car body, windows, doors, ventilators, etc. should be carried out in accordance with the provisions of TB/T 1802 to check whether there is any leakage.6 Performance check and test6.1 Inspection and test environment If there are no special regulations, the inspection and test should be carried out in the empty state. Except for the inspection or test of the bicycle, it can be carried out in the form of grouping. 6.2 Inspection of door and window devices Various car doors and movable windows should be inspected in accordance with relevant technical documents to check whether they can be opened flexibly, closed tightly, and whether the lock function reliable. 6.3 In-car equipment inspection The equipment in the car should be inspected according to the relevant technical documents to confirm whether the performance is good. 6.4 Inspection of Coupler Buffer Device 6.4.1 The automatic coupler should check whether the three-state function (unlock, lock, fully open) is good, and whether the left and right swings are flexible and free from jamming. 6.4.2 The close-coupled coupler buffer device shall be inspected in accordance with the provisions of TB/T 3143, and check whether the locked and unlocked states are normal. 6.4.3 The power connector of the end coupler and the transition coupler shall be inspected according to relevant standards or technical documents to check whether the connection is normal. 6.5 Inspection of water supply device The water supply device shall carry out the water injection test and the water supply test in accordance with the provisions of TB/T 1720. 6.6 Checking the feces collection device The feces collection device should be tested in accordance with the regulations of TB/T 3338 for routine flushing cycle testing, electric heating device operation testing, and control and Display function check. 6.7 Air spring device inspection The air spring should undergo an air charging test, and its height difference under its own weight should meet the specified size. Check the automatic height adjustment valve and differential pressure valve. Whether the action is good. 6.8 Fire safety equipment inspection Fire extinguishers, safety hammers, escape windows and other safety equipment, as well as various warning signs, and fire alarm systems should be inspected in accordance with the requirements of technical documents. 6.9 Braking device test 6.9.1 Static braking test After the vehicle is completed, each vehicle shall undergo a static braking test in accordance with the provisions of TB/T 1492.The self-diagnostic test of the anti-skid device shall be in accordance with The provisions of TB/T 3009 are carried out. 6.9.2 Hand brake test Separately apply the hand brake operation and check whether the basic brake device operates well and whether it has the anti-reverse function. For the tested vehicle in the type test, the safe parking slope with the hand brake should also be measured and calculated according to formula (1). θ= ∑K× R ×μ P×g × 1000 (1) Where. θ ---Safe parking slope, expressed in thousandths (‰); ∑K ---The total thrust of the brake shoes of each unit brake acting on the brake pads or treads of the brake disc during the actual measurement of the hand brake, in kilonews (kN); r --- The average friction radius of the brake disc during disc braking, and the wheel radius during tread braking, in meters (m); R ---The radius of the wheel, in meters (m); μ ---Static friction coefficient; P --- the mass of the vehicle, in tons (t); g ---Acceleration of gravity, taken as 9.81, the unit is meter per second (m/s2). The routine test only applies the hand brake alone to check whether the basic brake device operates well and whether it has the anti-reverse function. 6.9.3 Static transmission efficiency of the basic braking device The static transmission efficiency of the basic braking device shall be calculated in accordance with the provisions of B.2 of TB/T 2231.1-2017. 6.10 Inspection and test of vehicle electrical equipment 6.10.1 The circuit inspection, insulation resistance and withstand voltage test shall be carried out in accordance with the following requirements. a) Confirm that the wiring of each circuit is correct and the conduction is good; b) Check whether the insulation resistance of the passenger car meets the requirements of GB/T 12817; c) The insulation withstand voltage test shall be carried out after the insulation resistance test is qualified. The withstand voltage test of the electric wiring of the passenger car shall be carried out in accordance with GB/T 17627. Check whether the test results meet the requirements in GB/T 12817.When the operating environment is above 2500m above sea level, follow The provisions of GB/T 311.1 modify the withstand voltage value. 6.10.2 The technical performance inspection of electrical installations shall be carried out in accordance with the following requirements. a) Check whether the indoor lighting device is in normal working condition and whether the emergency lighting performance is good; b) Confirm that motors, batteries, inverters, chargers, axle temperature alarms, information display devices, emergency power supplies, control cabinets and other devices are installed on the vehicle Qualified before inspection and good performance after loading; c) Confirm whether the working status of the audio/video equipment is normal; d) Use marshalling or analog devices to check whether the electrical system is working properly. 6.11 Electromagnetic compatibility test Electrostatic discharge immunity test for electromagnetic compatibility (EMC) of passenger car electrical equipment shall be in accordance with GB/T 17626.2, GB/T 24338.4 Regulations are carried out. 6.12 Interior Illumination Test The illumination of passenger cars shall be measured in accordance with the provisions of TB/T 2917.1. 6.13 Air conditioning device inspection After powering on, check whether the heating, ventilation and air conditioning units are working properly. 6.14 Air conditioning test 6.14.1 The air-conditioning static test of air-conditioned passenger cars shall be carried out in accordance with the provisions of GB/T 33193.2. 6.14.2 The air-conditioning refrigeration operation test of air-conditioned passenger cars shall be carried out in accordance with the provisions of TB/T 2433. 6.15 Thermal insulation performance test The heat insulation performance test shall be carried out in accordance with the provisions of TB/T 1674, and the heat transfer coefficient K value of the passenger car shall be determined. 6.16 Oxygen supply system test The single-car and train test of the oxygen supply system shall be carried out in accordance with the provisions of TB/T 3216. 6.17 Emergency braking distance test An emergency braking distance test for trains or bicycles should be carried out to check whether the test results meet the requirements of GB/T 12817. 6.18 Anti-skid running test The anti-skid running test shall be carried out in accordance with the provisions of TB/T 3009. 6.19 Kinetic performance test The dynamic performance test of the passenger car should be carried out in accordance with the provisions of GB/T 5599 and related technical documents. 6.20 Dynamic strength test The dynamic strength test shall be carried out in accordance with the provisions of TB/T 3548, TB/T 3549.1, TB/T 3550.1 and related technical documents. 6.21 Internal noise test of passenger car The internal noise test of the passenger car should be carried out in accordance with the provisions of Appendix A. See Appendix B for the schematic diagram of the noise measurement position of each vehicle type. 6.22 Modal test In the state of vehicle preparation, the modal test should be carried out in accordance with the provisions of TB/T 3502 and related technical documents. 6.23 Air tightness test Passenger cars with a maximum operating speed of.200km/h should be tested for airtightness in accordance with TB/T 3250. 6.24 Coating quality inspection Carry out coating quality inspection according to the requirements of technical documents. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 12818-2021_English be delivered?Answer: Upon your order, we will start to translate GB/T 12818-2021_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 12818-2021_English with my colleagues?Answer: Yes. 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