IEC 61373-1999
轨道交通.机车车辆设备 冲击和振动试验

Railway applications - Rolling stock equipment - Shock and vibration tests


 

 

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标准号
IEC 61373-1999
发布日期
1999-01
实施日期
废止日期
中国标准分类号
S10
国际标准分类号
17.160;45.060.01
发布单位
IX-IEC
代替标准
IEC 61373-2010
被代替标准
IEC 9/487/FDIS-1998
适用范围
This International Standard specifies the requirements for testing items of equipment intended for use on railway vehicles which are subsequently subjected to vibrations and shock owing to the nature of railway operational environment. To gain assurance that the quality of the item is acceptable, it has to withstand tests of reasonable duration that simulate the service conditions seen throughout its expected life. Simulated long-life testing can be achieved in a number of ways each having their associated advantages and disadvantages, the following being the most common: a) amplification: where the amplitudes are increased and the time base decreased; b) time compression: where the amplitude history is retained and the time base is decreased; c) decimation: where time slices of the historical data are removed when the amplitudes are below a specified threshold value. The amplification method as stated in a) above, is used in this standard and together with the publications referred to in clause 2; it defines the default test procedure to be followed when vibration testing items for use on railway vehicles. However, other standards do exist and may be used with prior agreement between the manufacturer and the customer. In such cases attestation of testing against this standard will not apply. Where service information is available comparison with the standard can be performed using the method outlined in annex A. Whilst this standard is primarily concerned with railway vehicles on fixed rail systems, its wider use is not precluded. For systems operating on pneumatic tyres, or other transportation systems such as trolleybuses, where the level of shock and vibration clearly differ from those obtained on fixed rail systems, the supplier and customer can agree at the tender stage, the test levels. It is recommended that the frequency spectra and the shock duration/amplitude be determined using the guidelines set out in annex A. Items tested at levels outside those quoted in this standard can not be certified against the requirements of this standard. An example of this is trolleybuses, whereby body-mounted trolleybus equipment could be tested in accordance with category 1 equipment referred to in the standard. This standard applies to single axis testing. Multi-axis testing is outside the scope of this standard. The test values quoted in this standard have been divided into three categories dependent only upon the equipment's location within the vehicle. Category 1 Body mounted Class A Cubicles, subassemblies, equipment and components mounted directly on or under the car body. Class B Anything mounted inside an equipment case which is in turn mounted directly on or under the car body. NOTE - Class B should be used when it is not clear where the equipment is to be located.

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