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TB/T 2978-2016   Hand breaks of railway freight car (English Version)
Standard No.: TB/T 2978-2016 Status:valid remind me the status change

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Language:English File Format:PDF
Word Count: 3000 words Price(USD):60.0 remind me the price change

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Implemented on:2017-4-1 Delivery: via email in 1 business day
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Standard No.: TB/T 2978-2016
English Name: Hand breaks of railway freight car
Chinese Name: 铁道货车手制动机
Professional Classification: TB    Professional Standard - Railway Transport
Issued by: National Railway Administration
Issued on: 2016-09-30
Implemented on: 2017-4-1
Status: valid
Superseding:TB/T2978-2000TB/T1613-1985
TB/T 2424-1993 Technical Condition for Chained Hand Brake of Truck with Horizontal Wheels
TB/T 2978-2000 Technical Specifications for Vertical Wheel Geared Hand Brake of Railway Freight Car
TB/T 2424-1993 Technical Condition for Chained Hand Brake of Truck with Horizontal Wheels
TB 1613-1985 Design Parameter of Truck Hand Braking Device
Language: English
File Format: PDF
Word Count: 3000 words
Price(USD): 60.0
Delivery: via email in 1 business day
Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. This standard is developed in accordance with the rules given in GB/T 1.1-2009. This standard replaces TB/T 1613-1985 Design Parameters for Hand brakes Device of Freight Car, TB/T 2424-1993 Technical Specifications for Chained Hand Brake of Horizontal Wheels of Freight Car and TB/T 2978-2000 Technical Specification for Geared Hand Brake of Vertical Wheels of Railway Freight Car. It is based on TB/T 2978-2000 and integrates contents of TB/T 1613-1985 and TB/T 2424-1993. In addition to a number of editorial changes, the following technical changes have been made with respect to TB/T 2978-2000: ——The classification and composition of hand brake of railway freight car are added (see Chapter 4); ——The requirements for outer diameter of hand brake wheel are modified (see 5.1.6; 3.1.13 of Edition 2000); ——The requirements for input torque, chain test stroke and chain output force in output force test are modified (see 5.2.4, 6.3.5; 3.3.5 and 4.4 of Edition 2000); ——Force adjustment test for hand brake is added (see 6.3.4); ——Impact test for hand brake is added (see 6.3.7); ——Inspection rules for hand brake are modified (see Chapter 7; Chapter 5 of Edition 2000); ——The requirements for mounting of hand brake are added (see Annex A). This standard is under the jurisdiction of Qingdao Sifang Rolling Stock Research Institute Co., Ltd. The previous editions of this standard are as follows: ——TB/T 1613-1985; ——TB/T 2424-1993; ——TB/T 2978-2000. Hand Brakes of Railway Freight Car 1 Scope This standard specifies the terms and definitions, classification and composition, technical requirements, inspection, inspection rules as well as marking, packaging, transportation and storage for hand brakes of railway freight car. It is applicable to hand brakes of railway freight car. 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 699 Quality Carbon Structural Steels GB/T 700 Carbon Structural Steels GB/T 1184 Geometrical Tolerancing - Geometrical Tolerance for Features without individual Tolerance Indications GB/T 1804 Geometrical Tolerancing - Geometrical Tolerance for Linear and Angular Dimensions without Individual Tolerance Indications GB/T 2100 Corrosion-resistant Steel Castings for General Applications GB/T 3077 Alloy Structure Steels GB/T 4549.3-2004 Railway Vehicle Vocabulary - Part 3: Brake Equipments GB/T 6414 Castings - System of Dimensional Tolerances and Machining Allowances GB/T 11352 Carbon Steel Castings for General Engineering Purpose GB/T 12361-2003 General Specification of Steel Die Forgings GB/T 12362-2003 Tolerances and Machining - Allowances of Steel Die Forging GB/T 12363-2005 Classification of Forging Functions GB/T 13819 Copper and Copper Alloy Castings GB/T 15055 Permissible Stamping Variations in Dimensions without Tolerance Indication GB/T 20878 Stainless and Heat-resisting Steels - Designation and Chemical Composition GB/T 24814 Short Link Chain for Lifting Purposes - Grade 4, Non-calibrated, for Chain Slings etc. GB/T 24816 Short Link Chain for lifting Purposes - Grade 8, Non-calibrated, for Chain Slings etc. JB/T 6402 Castings for the Large Low Alloy Steels TB/T 2942 General Technical Specifications of Steel Castings for Rolling Stock 3 Terms and Definitions For the purposes of this document, the terms and definitions defined in GB/T 4549.3-2004 as well as the followings apply. 3.1 quickly release terminate braking force at one time 3.2 gradual release the braking force dwindling away in case of hand brake wheel rotation in counterclockwise direction and held if rotation stopping and hand wheels loosened 3.3 adjust force the braking force is increased if rotating hand brake wheel in clockwise direction and decreased if in counterclockwise direction 3.4 leverage the ratio of theoretical output force to input force of hand brake when hand braking efficiency is 100% 4 Classification and Composition According to the structure, hand brakes of railway freight car are classified into geared hand brake of vertical wheel (hereinafter referred to as geared hand brake) and chained hand brake of horizontal wheel (hereinafter referred to as chained hand brake). Geared hand brake, mainly composed of hand wheel, shell, gear, driving shaft, function handle, winding chain shaft and chain, etc., is provided with functions of braking, quick release and gradual release (force adjustment). Chained hand brake, mainly composed of hand wheel, hand brake shaft, pawl weight, ratchet wheel, and chain, etc., is provided with functions of braking and release. 5 Technical Requirements 5.1 Basic Requirements 5.1.1 The hand brake shall meet the requirements of the approved product drawings and technical documents. 5.1.2 The hand brake shall operate flexibly with good braking and release performance. 5.1.3 When hand brake wheel rotates in clockwise or anticlockwise direction, braking or release is executed respectively and braking shall not be generated by anticlockwise rotation. 5.1.4 Idling torque of hand brake shall not be greater than 15N•m. 5.1.5 Under braking operating condition of geared hand brake, the chain shall be uniformly wound without overlapping; under quick release operating condition, the hand wheel shall not rotate together. 5.1.6 Outer diameter of geared hand brake wheel shall be 400mm or 560mm and the appearance structure shall be liable to grasp and convenient for personnel's operation. Drop-proof structure shall be adopted for the mounting of hand wheels. 5.1.7 The distance between the outer side surface and the installation surface of geared hand brake wheel shall not be larger than 273mm. 5.1.8 Corrosion-resistant materials or anti-rust measures shall be adopted for main driving parts and components of geared hand brake. 5.1.9 See Annex A for the requirements for mounting of hand brake. 5.2 Performance Requirements 5.2.1 The hand brake shall be provided with brake and release functions. 5.2.2 For geared hand brake provided with gradual release function, when release handle is placed at common position or at release position, it shall be capable of realizing braking and gradual release function as well as quick release function respectively; in case of rotating hand wheels in clockwise direction, braking force shall not generated by hand brake. 5.2.3 For geared hand brake provided with force adjustment function, when function handle is placed at force adjustment position or at common position, it shall be capable of realizing force adjustment function as well as braking and quick release function respectively. 5.2.4 The output strength of geared hand brake is divided into two specifications, i.e. general capability and medium capability; when applying 140N•m of torque to the driving shaft, output force shall meet the requirements specified in Table 1.
Foreword i 1 Scope 2 Normative References 3 Terms and Definitions 4 Classification and Composition 5 Technical Requirements 5.1 Basic Requirements 5.2 Performance Requirements 5.3 Materials and Manufacturing Requirements 6 Inspection 6.1 Appearance Inspection 6.2 Dimension Inspection 6.3 Performance Test for Geared Hand Brake 6.4 Performance Test of Chained Hand Brake 7 Inspection Rules 7.1 End-of-manufacturing Inspection 7.2 Type Inspection 8 Marking, Packing, Transportation and Storage 8.1 Marking 8.2 Packaging 8.3 Transportation and Storage Annex A (Normative) Requirements for Mounting of Hand Brake
Referred in TB/T 2978-2016:
*GB/T 699-2015 Quality carbon structural steels
*GB/T 700-2006 Carbon structural steels
*GB/T 1184-1996 Geometrical tolerancing--Geometrical tolerance for features without individual tolerance indications
*GB/T 1804-2000 General Tolerances - Tolerances for Linear and Angular Dimensions without Individual Tolerance Indications
*GB/T 2100-2017 Corrosion-resistanst steel castings for general applications
*GB/T 3077-2015 Alloy structure steels
*GB/T 4549.3-2004 Railway vehicle vocabulary—Part 3:Brake equipments
*GB/T 6414-2017 Castings - Dimensional Tolerances and Geometrical Tolerances and Machining Allowances
*GB/T 11352-2009 Carbon steel castings for general engineering purpose
*GB/T 12361-2003 General specification of steel die forgings
*GB/T 12362-2003 Tolerances and machining - Allowances of steel die forging
*GB/T 12363-2005 Classification of forging function
*GB/T 13819-2013 Copper and Copper Alloy Castings
*GB/T 15055-2021 Permissible stamping variations in dimensions without tolerance indication
*GB/T 20878-2007 Stainless and heat-resisting steels—Designation and chemical composition
*GB/T 24814-2023 Round steel short link chains for lifting purposes—Medium tolerance sling chains—Grade 4, stainless steel
*GB/T 24816-2017 Round steel short link chains for general lifting purposes--Grade 8, medium to lerance sling chains for chain slings
*JB/T 6402-2018 Heavy low alloy steel castings一Technical specification
*TB/T 2942-2015 General Technical Specifications of Steel Castings for Rolling Stock
TB/T 2978-2016 is referred in:
*GB/T 5600-2006 General technical specification for railway freight car
*GB/T 5600-2018 General technical specification for railway freight car
*GB 4806.4-2016 National Food Safety Standard- Ceramic ware
*CQC 1105-2015 Technical Specification for Cables of Electric Vehicles Conductive Charging Systems Part 3: Cables for DC Charging Systems
*GB/T 33012.2-2016 Road vehicles-Vehicle test methods for electrical disturbances from narrowband radiated electromagnetic energy-Part 2:Off-vehicle radiation sources
*HAF 102-2016 Safety regulation for design of nuclear power plant
*GB/T 33008.1-2016 Industrial automation and control system security―Programmable logic controller(PLC)―Part 1:System requirements
*GB 50311-2016 Code for engineering design of generic cabling system
Code of China
Standard
TB/T 2978-2016  Hand breaks of railway freight car (English Version)
Standard No.TB/T 2978-2016
Statusvalid
LanguageEnglish
File FormatPDF
Word Count3000 words
Price(USD)60.0
Implemented on2017-4-1
Deliveryvia email in 1 business day
Detail of TB/T 2978-2016
Standard No.
TB/T 2978-2016
English Name
Hand breaks of railway freight car
Chinese Name
铁道货车手制动机
Chinese Classification
Professional Classification
TB
ICS Classification
Issued by
National Railway Administration
Issued on
2016-09-30
Implemented on
2017-4-1
Status
valid
Superseded by
Superseded on
Abolished on
Superseding
TB/T2978-2000TB/T1613-1985
TB/T 2424-1993 Technical Condition for Chained Hand Brake of Truck with Horizontal Wheels
TB/T 2978-2000 Technical Specifications for Vertical Wheel Geared Hand Brake of Railway Freight Car
TB/T 2424-1993 Technical Condition for Chained Hand Brake of Truck with Horizontal Wheels
TB 1613-1985 Design Parameter of Truck Hand Braking Device
Language
English
File Format
PDF
Word Count
3000 words
Price(USD)
60.0
Keywords
TB/T 2978-2016, TB 2978-2016, TBT 2978-2016, TB/T2978-2016, TB/T 2978, TB/T2978, TB2978-2016, TB 2978, TB2978, TBT2978-2016, TBT 2978, TBT2978
Introduction of TB/T 2978-2016
Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. This standard is developed in accordance with the rules given in GB/T 1.1-2009. This standard replaces TB/T 1613-1985 Design Parameters for Hand brakes Device of Freight Car, TB/T 2424-1993 Technical Specifications for Chained Hand Brake of Horizontal Wheels of Freight Car and TB/T 2978-2000 Technical Specification for Geared Hand Brake of Vertical Wheels of Railway Freight Car. It is based on TB/T 2978-2000 and integrates contents of TB/T 1613-1985 and TB/T 2424-1993. In addition to a number of editorial changes, the following technical changes have been made with respect to TB/T 2978-2000: ——The classification and composition of hand brake of railway freight car are added (see Chapter 4); ——The requirements for outer diameter of hand brake wheel are modified (see 5.1.6; 3.1.13 of Edition 2000); ——The requirements for input torque, chain test stroke and chain output force in output force test are modified (see 5.2.4, 6.3.5; 3.3.5 and 4.4 of Edition 2000); ——Force adjustment test for hand brake is added (see 6.3.4); ——Impact test for hand brake is added (see 6.3.7); ——Inspection rules for hand brake are modified (see Chapter 7; Chapter 5 of Edition 2000); ——The requirements for mounting of hand brake are added (see Annex A). This standard is under the jurisdiction of Qingdao Sifang Rolling Stock Research Institute Co., Ltd. The previous editions of this standard are as follows: ——TB/T 1613-1985; ——TB/T 2424-1993; ——TB/T 2978-2000. Hand Brakes of Railway Freight Car 1 Scope This standard specifies the terms and definitions, classification and composition, technical requirements, inspection, inspection rules as well as marking, packaging, transportation and storage for hand brakes of railway freight car. It is applicable to hand brakes of railway freight car. 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 699 Quality Carbon Structural Steels GB/T 700 Carbon Structural Steels GB/T 1184 Geometrical Tolerancing - Geometrical Tolerance for Features without individual Tolerance Indications GB/T 1804 Geometrical Tolerancing - Geometrical Tolerance for Linear and Angular Dimensions without Individual Tolerance Indications GB/T 2100 Corrosion-resistant Steel Castings for General Applications GB/T 3077 Alloy Structure Steels GB/T 4549.3-2004 Railway Vehicle Vocabulary - Part 3: Brake Equipments GB/T 6414 Castings - System of Dimensional Tolerances and Machining Allowances GB/T 11352 Carbon Steel Castings for General Engineering Purpose GB/T 12361-2003 General Specification of Steel Die Forgings GB/T 12362-2003 Tolerances and Machining - Allowances of Steel Die Forging GB/T 12363-2005 Classification of Forging Functions GB/T 13819 Copper and Copper Alloy Castings GB/T 15055 Permissible Stamping Variations in Dimensions without Tolerance Indication GB/T 20878 Stainless and Heat-resisting Steels - Designation and Chemical Composition GB/T 24814 Short Link Chain for Lifting Purposes - Grade 4, Non-calibrated, for Chain Slings etc. GB/T 24816 Short Link Chain for lifting Purposes - Grade 8, Non-calibrated, for Chain Slings etc. JB/T 6402 Castings for the Large Low Alloy Steels TB/T 2942 General Technical Specifications of Steel Castings for Rolling Stock 3 Terms and Definitions For the purposes of this document, the terms and definitions defined in GB/T 4549.3-2004 as well as the followings apply. 3.1 quickly release terminate braking force at one time 3.2 gradual release the braking force dwindling away in case of hand brake wheel rotation in counterclockwise direction and held if rotation stopping and hand wheels loosened 3.3 adjust force the braking force is increased if rotating hand brake wheel in clockwise direction and decreased if in counterclockwise direction 3.4 leverage the ratio of theoretical output force to input force of hand brake when hand braking efficiency is 100% 4 Classification and Composition According to the structure, hand brakes of railway freight car are classified into geared hand brake of vertical wheel (hereinafter referred to as geared hand brake) and chained hand brake of horizontal wheel (hereinafter referred to as chained hand brake). Geared hand brake, mainly composed of hand wheel, shell, gear, driving shaft, function handle, winding chain shaft and chain, etc., is provided with functions of braking, quick release and gradual release (force adjustment). Chained hand brake, mainly composed of hand wheel, hand brake shaft, pawl weight, ratchet wheel, and chain, etc., is provided with functions of braking and release. 5 Technical Requirements 5.1 Basic Requirements 5.1.1 The hand brake shall meet the requirements of the approved product drawings and technical documents. 5.1.2 The hand brake shall operate flexibly with good braking and release performance. 5.1.3 When hand brake wheel rotates in clockwise or anticlockwise direction, braking or release is executed respectively and braking shall not be generated by anticlockwise rotation. 5.1.4 Idling torque of hand brake shall not be greater than 15N•m. 5.1.5 Under braking operating condition of geared hand brake, the chain shall be uniformly wound without overlapping; under quick release operating condition, the hand wheel shall not rotate together. 5.1.6 Outer diameter of geared hand brake wheel shall be 400mm or 560mm and the appearance structure shall be liable to grasp and convenient for personnel's operation. Drop-proof structure shall be adopted for the mounting of hand wheels. 5.1.7 The distance between the outer side surface and the installation surface of geared hand brake wheel shall not be larger than 273mm. 5.1.8 Corrosion-resistant materials or anti-rust measures shall be adopted for main driving parts and components of geared hand brake. 5.1.9 See Annex A for the requirements for mounting of hand brake. 5.2 Performance Requirements 5.2.1 The hand brake shall be provided with brake and release functions. 5.2.2 For geared hand brake provided with gradual release function, when release handle is placed at common position or at release position, it shall be capable of realizing braking and gradual release function as well as quick release function respectively; in case of rotating hand wheels in clockwise direction, braking force shall not generated by hand brake. 5.2.3 For geared hand brake provided with force adjustment function, when function handle is placed at force adjustment position or at common position, it shall be capable of realizing force adjustment function as well as braking and quick release function respectively. 5.2.4 The output strength of geared hand brake is divided into two specifications, i.e. general capability and medium capability; when applying 140N•m of torque to the driving shaft, output force shall meet the requirements specified in Table 1.
Contents of TB/T 2978-2016
Foreword i 1 Scope 2 Normative References 3 Terms and Definitions 4 Classification and Composition 5 Technical Requirements 5.1 Basic Requirements 5.2 Performance Requirements 5.3 Materials and Manufacturing Requirements 6 Inspection 6.1 Appearance Inspection 6.2 Dimension Inspection 6.3 Performance Test for Geared Hand Brake 6.4 Performance Test of Chained Hand Brake 7 Inspection Rules 7.1 End-of-manufacturing Inspection 7.2 Type Inspection 8 Marking, Packing, Transportation and Storage 8.1 Marking 8.2 Packaging 8.3 Transportation and Storage Annex A (Normative) Requirements for Mounting of Hand Brake
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Keywords:
TB/T 2978-2016, TB 2978-2016, TBT 2978-2016, TB/T2978-2016, TB/T 2978, TB/T2978, TB2978-2016, TB 2978, TB2978, TBT2978-2016, TBT 2978, TBT2978