JB/T 10772-2007 PDF English

JB/T10772-2007 (JBT10772-2007): PDF in English

JB/T 10772-2007 JB MACHINERY INDUSTRY STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 45.060.20 K 63 Record number: 21736-2007 General technical condition of narrow gauge trolley industrial locomotive ISSUED ON: AUGUST 28, 2007 IMPLEMENTED ON: FEBRUARY 1, 2008 Issued by: National Development and Reform Commission, People’s Republic of China Table of Contents Foreword ... 4  1 Scope ... 5  2 Normative references ... 5  3 Terms and definitions ... 6  4 Product model and technical parameters ... 8  5 Technical requirements ... 10  5.1 Use environmental conditions ... 10  5.2 Limit deviations of external dimensions... 10  5.3 Variation range of working height of pantograph ... 10  5.4 Limit deviations of mass in working order, axle load and wheel weight ... 10  5.5 Axle parallelism tolerance ... 11  5.6 Frame ... 11  5.7 Limit deviation of one-hour speed ... 11  5.8 Tolerance of tractive effort ... 11  5.9 Minimum radius of curvature negotiable ... 11  5.10 Bearing temperature ... 11  5.11 Wheel set ... 12  5.12 Braking ... 12  5.13 Sand-spreading device ... 13  5.14 Connector (draw-bar) ... 13  5.15 Tightness of reduction-box and axle box ... 13  5.16 Cab ... 13  5.17 Alarm device ... 13  5.18 Lighting device ... 14  5.19 Air tightness of compressed air system ... 14  5.20 Rain-proof and water tightness ... 14  5.21 Electrical system ... 14  5.22 Circuit insulation performance ... 15  5.23 Safety protection ... 16  5.24 Instrument and marker lamp ... 16  5.25 Corrosion resistance ... 16  6 Test methods ... 16  7 Inspection rules ... 16  7.1 Inspection classification ... 16  7.2 Inspection after final assembly ... 16  7.3 Exit-factory test ... 17  7.4 Type test ... 17  7.5 Industrial operation test ... 19  7.6 Acceptance test ... 19  7.7 Quality assurance ... 19  7.8 Arbitration test ... 19  8 Marking, packaging, transportation and storage ... 20  8.1 Marking ... 20  8.2 Packaging ... 21  8.3 Transportation ... 22  8.4 Storage ... 22  General technical condition of narrow gauge trolley industrial locomotive 1 Scope This Standard specifies the terms, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of narrow- gauge trolley type mine electric locomotive. This Standard applies to the narrow-gauge trolley type mine electric locomotive (hereinafter referred to as electric locomotive) used under non-explosion-proof environmental conditions. 2 Normative references The following documents contain provisions which, through reference in this Standard, constitute provisions of this Standard. For the dated references, their subsequent amendments (excluding corrections) or revisions do not apply to this Standard. However, the parties who enter into agreement based on this Standard are encouraged to investigate whether the latest editions of these documents are applicable. For undated reference documents, the latest editions apply to this Standard. GB/T 191 Packaging - Pictorial marking for handling of goods (GB/T 191- 2000, eqv ISO 780:1997) GB/T 999 Voltage ratings of D.C electric traction system (GB/T 999-1988, neq IEC 60038:1983) GB/T 4695 Wheel tread and dimensions for narrow gauge locomotives and vehicles GB/T 10762 Method of mass measurements for industrial and mining electric locomotive GB/T 13384 General specifications for packing of mechanical and electrical product JB/T 2933 Drawing-up and management methods of mine electric locomotive models JB/T 2949 Specification of industrial and mining electric locomotive b) Train speed corresponding to the one-hour rating of the traction motor at the rated voltage and a given excitation (this speed is applicable to a powered vehicle with a half-wear state driving wheel). Unless otherwise specified, the given excitation refers to the rated full field. 3.3 Tractive effort The force of the traction motor acting on the tread of the driving wheel flange when the electric locomotive is in traction. 3.4 Draw-bar pull The tractive effort measured at the draw-bar of the motor vehicle. Unless otherwise specified, it refers to the draw-bar pull on a straight track. 3.5 One-hour tractive effort The tractive effort corresponding to the one-hour power of the traction motor at rated voltage and given excitation (this tractive effort is applicable to a powered vehicle with a half-wear state driving wheel). Unless otherwise specified, this tractive effort is measured under full field. 3.6 Breakaway force The maximum resistance immediately before all the wheels of the train start to turn. 3.7 Axle load The sum of the vertical forces exerted on the horizontal track by each axle of the stationary mine electric locomotive in working order. 3.8 Mass in working order The sum of the mass of empty mine electric locomotive, the mass of the crew, 5 Technical requirements 5.1 Use environmental conditions 5.1.1 The altitude does not exceed 2000m. 5.1.2 The ambient temperature is -25°C~+40°C. 5.1.3 The average relative humidity of the wettest month is not more than 90%. The average minimum temperature of the same month is not higher than +25°C. 5.1.4 The voltage of the electric locomotive shall meet the requirements of GB/T 999. 5.1.5 When the use environmental conditions of the electric locomotive exceed the above conditions, it shall be determined by the user and the manufacturer through negotiation. 5.2 Limit deviations of external dimensions 5.2.1 The limit deviation of the length dimension is ±1%. 5.2.2 The limit deviation of the width dimension is ±0.5%. 5.2.3 The limit deviation of the height dimension is ±1%. 5.3 Variation range of working height of pantograph 5.3.1 For underground electric locomotives, it shall not be less than 400mm. 5.3.2 For narrow-gauge open-pit electric locomotives, it shall not be less than 800mm. 5.3.3 For adit and open-pit dual-purpose electric locomotives, it shall not be less than 1200mm. 5.4 Limit deviations of mass in working order, axle load and wheel weight 5.4.1 The limit deviation of the mass in working order to the nominal adhesive weight is 0%~10%. 5.4.2 In working order, the limit deviation of any actual axle load from the actual average axle load is ±3%. 5.4.3 In working order, the difference between the actual wheel weight on either side and the average of the actual wheel weight on both sides is ±4%. For any given axle, the limit deviation of each actual wheel weight from the actual 5.10.2 No oil leakage is allowed at the wheel bearings of the electric locomotive. 5.11 Wheel set 5.11.1 The wheel set shall comply with the provisions of JB/T 5865. 5.11.2 The wheel tread profile shall meet the requirements of GB/T 4695. 5.11.3 For combined transmission, the tolerance of wheel rolling circle diameter is not more than 0.75mm. 5.11.4 For non-combined transmission, the tolerance of wheel rolling circle diameter is not more than 2mm. 5.12 Braking 5.12.1 When the one-hour speed of the electric locomotive is greater than or equal to 10km/h, the electric locomotive shall have at least two braking methods. 5.12.2 The brake-shoe of the braking device shall comply with the regulations of JB/T 3267. When braking, it shall be close to the wheel. 5.12.3 The braking ratio (the ratio of the brake-shoe pressure to the nominal adhesive weight value) shall meet the following requirements: a) The braking ratio of the manual braking device is not less than 70%; b) The braking ratio of dynamic braking (excluding electric braking) device is not less than 80%. The maximum braking ratio of underground electric locomotives shall not exceed 100%. The maximum braking ratio of electric locomotives for narrow-gauge open-pit use shall not exceed 110%; c) The normal braking ratio with train braking device is not less than 70%; the emergency braking ratio is not less than 80%. 5.12.4 When a single machine is running on a flat track at the maximum speed, and an emergency braking is applied, the braking distance for the underground electric locomotive shall meet the requirements of Table 3. The braking distance for the open-pit locomotive shall meet the requirements of Table 4. Table 3 Braking distance (not more than) Adhesive weight Underground electric locomotive 5.23 Safety protection The electric locomotive must be designed with a simple and reliable cab and door for installation. 5.24 Instrument and marker lamp 5.24.1 Electric locomotives with a one-hour speed of 10km/h and above shall be equipped with a speed indicator. Electric locomotives with air brakes shall be equipped with air pressure gauges. 5.24.2 Electric locomotives shall be equipped with red marker lamps, to show the direction of travel. 5.25 Corrosion resistance 5.25.1 Except for friction surfaces, the surfaces of all metal and wooden parts shall have anti-corrosion protective coating. 5.25.2 The painting shall conform to the requirements of the drawings. 6 Test methods The product test methods shall be in accordance with the regulations of JB/T 3114 and GB/T 10762. 7 Inspection rules 7.1 Inspection classification Electric locomotive inspection includes inspection after final assembly, exit- factory test, type test, industrial operation test, acceptance test and research test. The results of research tests shall not be used as the basis for product evaluation. Before the product test, according to the items listed in Table 7, carry out the inspection after final assembly. After passing the inspection, carry out the test according to the items listed in Table 8. 7.2 Inspection after final assembly 7.2.1 When the final assembly of the product is completed, it shall be inspected before it enters the exit-factory test. 7.2.2 The inspection after final assembly shall be carried out in accordance with the inspection items listed in Table 7. carried out according to the method.......
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