This standard specifies general provisions for the design of safety device for the freight car for the sake of personal safety and freight car security.
This standard is applicable to new open-top car, box car, flat car, tank car, thermal car and hopper car with standard railway gauge. Other freight cars may refer to this standard. Unless otherwise specified in the design specification, all of them shall be in accordance with this standard.
2 Normative References
The following standards contain provisions which, through reference in this text, constitute provisions of this standard. At time of publication, the editions indicated are valid. All standards are subject to revision, and the parties coming to an agreement based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards below.
GB 146.1-1983 Rolling Stock Gauge for Standard Gauge Railways
GB/T 704-1988 Dimensions, Shape, Mass and Tolerances for Hot-rolled Flats
TB/T 1335-1996 Code for Strength Design and Test Evaluation of Railway Rolling Stock
TB/T 1900-1998 General Technical Specifications for Wind Reservoir of Rolling Stock
TB/T 2424-1993 Technical Specifications for Chained Hand Brake of Horizontal Wheels of Freight Car
TB/T 2978-2000 Technical Specification for Geared Brake of Vertical Wheels of Railway Freight Car
3 General Requirements
3.1 Vehicle outline shall meet those specified in GB 146.1.
3.2 Strength of main parts of the freight car shall meet those specified in TB/T 1335.
3.3 Any exposed parts which are easy to hurt people shall be provided with safety measures against chamfering etc.
3.4 The floor of the freight car shall be arranged with goods fixing devices as required.
3.5 Brake control valve and detachable valve cover shall be provided with such measures against missing as protective hood or safety chain.
