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GB 25518-2010 English PDF

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GB 25518-2010: Underground load-haul-dump -- Safety requirements
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Basic data

Standard ID GB 25518-2010 (GB25518-2010)
Description (Translated English) Underground load-haul-dump -- Safety requirements
Sector / Industry National Standard
Classification of Chinese Standard D92
Classification of International Standard 73.100.10
Word Count Estimation 19,110
Date of Issue 2010-12-01
Date of Implementation 2011-10-01
Quoted Standard GB 755; GB/T 1147.1; GB/T 1190; GB/T 1251.1; GB/T 2883; GB/T 2980; GB/T 3766; GB 4351.1; GB 5008.1; GB 5226.1-2008; GB/T 6072.1; GB/Z 6829; GB 7258-2004; GB/T 8196; GB/T 8420; GB/T 8593.1; GB/T 8593.2; GB/T 8595; GB/T 9089.3; GB 9656; GB/T 9969; GB 12265.3; GB/T 12972.1; GB/T 12972.5; GB/T 13306; GB/T 13441.1; GB 14711; GB/T 14781; GB/T 15706.1; GB/T 15706.2-2007; GB 16423-2006; GB 16754; GB/T 16855.1-2008; GB/T 17299; GB/T 17300; GB/T 17771; GB/T 17921; GB/T 17922; GB 18209.1; GB/T 20418; GB 20651.1; GB/T 21152; GB/T 22355; GB 23821; GB 25517.1; GB 25517.2; GB 50150; JB/T 3683; JB/T 5062; JB/T 7155; JG/T 83
Regulation (derived from) Announcement of Newly Approved National Standards No. 9, 2010 (No. 164 overall)
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This Chinese standard specifies the list of dangerous underground scrapers, safety requirements and/or security measures and determine the use of information. This standard applies to metal and nonmetal underground mines, underground works, tunnels underground diesel used scrapers, electric underground LHD and remote underground scraper.

GB 25518-2010: Underground load-haul-dump -- Safety requirements

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Underground load-haul-dump.Safety requirements ICS 73.100.10 D92 National Standards of People's Republic of China LHD safety requirements Issued on. 2010-12-01 2011-10-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Preface Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 3 4 Dangerous List 3 5 Safety requirements and/or safety measures and determination 6 6 15 use of information

Foreword

The standard Chapter 3, Chapter 4, Section 5.1.1 are recommended, the rest are mandatory. The standard proposed by China Machinery Industry Federation. This standard by the National Mining Machinery Standardization Technical Committee (SAC/TC88) centralized. This standard is drafted by. Sinosteel Hengyang Heavy Machinery Co., Ltd. Participated in the drafting of this standard. Luoyang Mining Machinery Engineering Design Institute Co., Ltd., Nanchang Kama Co., national security Changsha Mining Electrical and Mechanical Production testing centers. The main drafters of this standard. high dream bear, now Li Yang, Choi Chang group, Zhao Yuan, Wang Yadong, Chen Jianhua, He Jianguo, Yu Qingsong. LHD safety requirements

1 Scope

This standard specifies the list of dangerous underground scraper, safety requirements and/or safety measures and determination, usage information. This standard is to limit the physical properties and intended use of underground scraper raised. Safety requirements specified in this standard apply to Dangerous various stages of the life of the machine produced by GB/T 15706.1 stipulated. This standard does not relate to the hazard and GB/T 15706.1 and GB/T 15706.2 consistent. About general mechanical, electrical, hydraulic, Pneumatic and other dangerous devices, are not included in this standard. This standard applies to metal and nonmetal underground mines, underground engineering, diesel LHD tunnel used, and electric LHD Remote LHD.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB 755 rotary motor fixed and performance (GB 755-2008, IEC 60034-1.2004, IDT) GB/T 1147.1 and medium power internal combustion engines - Part 1. General requirements GB/T 1190 OTR tire technical requirements GB/T 1251.1 Ergonomics public places and work areas - Auditory danger signal danger signal (GB/T 1251.1- 2008, ISO 7731.2003, IDT) GB/T 2883 construction machinery Wheel Size Series (GB/T 2883-2002, ISO 4250-3.1997, MOD) GB/T 2980 OTR tire specifications, size, pressure and load GB/T 3766 Hydraulic System General technical conditions (GB/T 3766-2001, eqvISO 4413.1998) GB 4351.1 Portable fire extinguishers - Part 1. Performance and structural requirements GB 5008.1 lead-acid starter batteries technical conditions (GB/T 5008.1-2005, IEC 60095-1.2000, MOD) GB 5226.1-2008 Safety of machinery - Electrical machinery and electrical equipment - Part 1. General requirements (IEC 60204-1.2005, IDT) GB/T 6072.1 reciprocating internal combustion engine performance - Part 1. Test method calibration and power, fuel and lubricating oil consumption Additional requirements for engines for general method (GB/T 6072.1-2008, ISO 3046-1.2002, IDT) GB /Z6829 General requirements for residual current operated protective devices (GB /Z6829-2008, IEC /T R60755.2008, MOD) GB 7258-2004 the safe operation of motor vehicles technical conditions GB/T 8196 mechanical safety devices fixed and movable guards design and manufacture of general requirements (GB/T 8196- 2003, ISO 14120.2002, MOD) GB/T 8420 moving machinery physical dimensions of operators and minimum operator space (GB/T 8420-2000, eqvISO 3411. 1995) GB/T 8593 (all parts) moving machinery - Symbols for operator controls and other displays GB/T 8595 moving machinery operating device (GB/T 8595-2008, ISO 10968.2004, IDT) Part 3 Electrical installations under GB/T 9089.3 harsh outdoor conditions. General requirements for equipment and ancillaries (GB/T 9089.3- 2008, IEC 60621-3. 1986, IDT) GB 9656 automotive safety glass GB/T 9969 General Instructions industrial products GB 12265.3 Safety of machinery to avoid crushing of parts of the human body minimum spacing (GB 12265.3-1997, eqvEN349. 1993) Rubber-sheathed cables - Part 1 GB/T 12972.1 mine. General Provisions GB/T 12972.5 mining rubber-sheathed cables - Part 5. rated voltage of 0.66/1.14kV and following mobile rubber-sheathed cables GB/T 13306 signs GB/T 13441.1 Mechanical vibration and impact evaluation of human exposure to whole body vibration - Part 1. General requirements (GB/T 13441.1-2007, ISO 2631-1.1997, IDT) GB 14711 Safety requirements of small and medium rotary motor GB/T 14781 earthmoving machinery mechanical steering wheel capacity (GB/T 14781-1993, eqvISO 5010.1992) GB/T 15706.1 Safety of machinery - Basic concepts, general principles for design - Part 1. Basic terminology and methods (GB/T 15706.1- 2007, ISO 12100-1.2003, IDT) GB/T 15706.2-2007 Safety of machinery - Basic concepts, general principles for design - Part 2. Technical principles (ISO 12100-2. 2003, IDT) GB 16423-2006 metal and nonmetal mine safety rules GB 16754 Safety of machinery - Emergency stop design principles (GB 16754-2008, ISO 13850.2006, IDT) GB/T 16855.1-2008 Safety of machinery - Safety-related control system components - Part 1. General principles for design (ISO 13849-1. 2006, IDT) GB/T 17299 moving machinery - minimum entry size (GB/T 17299-1998, idtISO 2860.1992) GB/T 17300 moving machinery passage means (GB/T 17300-1998, idtISO 2867.1994) GB/T 17771 FOPS moving machinery - Laboratory tests and performance requirements (GB/T 17771-1999, eqvISO 3449.1992) GB/T 17921 earthmoving machinery and seat belt anchor (GB/T 17921-1999, idtISO 6683. 1981) GB/T 17922 ROPS moving machinery - Laboratory tests and performance requirements (GB/T 17922-1999, idtISO 3471.1994) GB 18209.1 Safety of machinery - Indication, marking and actuation - Part 1. Requirements for visual, auditory and tactile signals (GB 18209.1-2000, idtIEC 61310-1.1995) GB/T 20418 moving machinery - Lighting, signaling and marking lights and reflectors (GB/T 20418-2006, ISO 12509.1995, MOD) GB 20651.1 Reciprocating internal combustion engines - Safety - Part 1. Compression ignition engines Performance requirements and test methods GB/T 21152 earthmoving machinery tires machines brake system (GB/T 21152-2007, ISO 3450.1996, IDT) GB/T 22355 moving machinery - Articulated frame lock - Performance requirements (GB/T 22355-2008, ISO 10570.2004, IDT) GB 23821 Safety of machinery - Safety distances to prevent danger zones being reached on the lower limbs (GB 23821-2009, ISO 13857.2008, IDT) GB 25517 (all parts) mining machinery safety signs GB 50150 works of electrical installations electrical equipment handover test standard JB/T 3683 moving machinery operated comfort zone and reach for (JB/T 3683-2001, eqvISO 6682. 1986) JB/T 5062 information display device ergonomics general requirements JB/T 7155 Wheeled Construction Machinery Wheel technical conditions JG/T 83 moving machinery - guards and shields definitions and technical requirements (JG/T 83-1999, idtISO 3457. 1986)

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 LHD undergroundLHD Used in underground mining operations (shovel loading, transport, unloading) vehicle tires. 3.2 Remote LHD remotecontrolLHD The driver in the normal line of sight using a wired or wireless remote control remotely operated LHD. 3.3 Pilot (driver) driver The operator is responsible for the underground movement of scrapers. The driver can operate a computer, you can also walk along the underground movement or use of Scraper Wired or wireless remote control means guide LHD. 3.4 Braking system brakesystem So LHD brake or remain stagnant in all parts of the assembly. The system consists of steering mechanism, transmission and brakes composition. 3.5 Brake system servicebrakesystem So LHD stop and brake system remained largely immobile. 3.6 Auxiliary braking system secondarybrakesystem When the service brake system failure, so LHD stop system. 3.7 Parking brake system parkingbrakesystem So anchored LHD remain intact system. 3.8 Braking reaction time brakeresponsetime From the beginning to the driver's brake operation of the brake function of this lag time. 3.9 Maximum vehicle weight maximumvehicleweight The sum of the LHD payload and operating weight, including the weight of the job LHD LHD weight, fuel, lubrication Oil, cooling water and a 75kg driver.

4 Dangerous List

LHD risk factors are shown in Table 1 in its lifetime. Table 1 Danger List No. dangerous

1 Mechanical hazards

1.1 Risk of crushing 1.2 Cut dangerous Table 1 (continued) No. dangerous 1.3 cutting or severing hazard 1.4 winding danger 1.5 introduce or involved in dangerous 1.6 Shock hazard 1.7 stabbed or pricked dangerous 1.8 friction or abrasion hazard 1.9 high-pressure fluid ejection hazard Frame at the hinge or latch shear deformation around 1.10 1.11 transmission failure 1.12 tire and rim use, improper tire maintenance

2 electrical hazards

2.1 people contacts with live parts (direct contact) 2.2 people due to error conditions and live parts of the contact (indirect contact) with 2.3 Electrostatic phenomena 2.4 electric cable reels and LHD LHD run sync 2.5 ungrounded electric LHD body protection 2.6 Electric LHD main circuit insulation resistance value inappropriate 2.7 Motor Selection installation errors 2.8 no residual current protection or residual current protection device selection installation errors 2.9 Control circuit failure

3 thermal hazards

3.1 high or low temperature of an object or material exposures from fire, explosions and heat caused by radiation-induced burns and scalds 3.2 hot or cold working environment for health damage

4 dangerous due to noise

4.1 hearing loss, other physiological disorders 4.2 Interference language communication, auditory signals, etc. Hazard generated by the vibration of 5 6 pedestrians, remote LHD operator with remote control distance is too close LHD Hazardous substances in materials and equipment operation and use (and its constituent elements) produced 7 7.1 due to contact or inhalation hazard hazardous liquids, gases, fumes and dust caused 7.2 of fire or explosion hazard 8 dangerous in the design, by neglecting ergonomics generated 8.1 unhealthy postures or excessive force 8.2 improperly considered a human arm or leg foot structure 8.3 Inappropriate Face lighting Table 1 (continued) No. dangerous 8.4 spirit too much tension or lack of preparation, etc. 8.5 Human Error 8.6 Working position insufficient visibility

9 dangerous due to security measures erroneous or incorrect positioning generated

9.1 all kinds of protective devices 9.2 all kinds of safety (protection) devices 9.3 Start and stop means 9.4 safety signals and signaling devices 9.5 kinds of information or warning devices 9.6 Energy cutting device 9.7 emergency stop devices 9.8 security adjustments and/or maintenance of major equipment and accessories 10 unexpected start, extraordinary run too fast (or any similar mechanical failure) resulting from hazardous 10.1 Control system fault/imbalance 12 Energy failure 13 Install Error 14 mechanical parts or accidental drop or fluid injection 15 mechanical destabilization overturned 16 and walking function related risk Movement occurs when the engine is started 16.1 No movement occurs when a driver driving position 16.2 All movement occurs when 16.3 parts not in a safe condition 16.4 Runtime swing too large 16.5 mechanical reduction, lack of ability to stabilize and stop Dangerous work on machines and 17 positions (including the driver's position) associated 17.1 enter (or/leave) working position when staff fall 17.2 Emissions/hypoxia in the working position 17.3 Fire (flammable cab, lack of extinguishing measures) 17.4 tipping, falling objects, object penetration caused by mechanical hazards 17.5 poor lighting Lack of seating space position 17.6 18 control system caused 18.1 Manual control position is not enough 18.2 Manual control and operation poorly designed 18.3 Brake Failure Table 1 (continued) No. dangerous 18.4 steering failure 18.5 the control system malfunction or failure 19 dangerous power source and power transmission caused 19.1 Engine selection incorrect installation, use, improper maintenance 19.2 dangerous engine and battery caused 19.3 Dangerous connecting device and traction device produced Danger caused by a third party 20 20.1 without permission Start/use 20.2 visual or audible warning device is lacking or insufficient 21 pairs of driver/operator guidance is not enough 22 fire and explosion 5 Safety requirements and/or safety measures and determination 5.1 General Requirements 5.1.1 The manufacturer shall for each type of hazard LHD risk assessment as much as possible in accordance with Table 1, risk factors, and finally by According to the results of the risk assessment determines the need to reduce the risk. 5.1.2 LHD should comply with GB 16423-2006 relevant provisions of 6.3.1.17. 5.1.3 Scraper under local use in cold environments, should be used in low temperature hydraulic oil, grease, electrical equipment, welding parts, thread Sealing material connections should also meet the requirements of low-temperature environment. LHD Diesel fuel should choose low temperature, with a suitable antifreeze Starting performance and battery, starter complies with the relevant standards. 5.1.4 Under local scraper when used at high temperatures to prevent tire burst. To increase the cooling capacity of the engine cooling system to prevent Blasting the engine knocks. 5.1.5 Under local scraper when the plateau environment, its rated power (output, emissions, thermal efficiency) should reach the basic principle LHD Rated power, energy consumption and heat load should be kept within the basic allowable range. The electrical equipment should be in accordance plateau Requirements for Electrical Equipment. 5.1.6 Safety distances to prevent danger zones being reached on the lower limbs should be consistent with the provisions of GB 23821. 5.1.7 prevent crushing of parts of the human body should comply with GB 12265.3 minimum spacing requirements. 5.1.8 The minimum size of each inlet repair parts shall comply with GB/T 17299 of. 5.1.9 In order to reduce the accident the driver and maintenance personnel, should be set up safety signs, safety signs shall comply with the requirements of the LHD GB 25517 of the regulations. 5.1.10 LHD or its components must be designed for safe handling. 5.2 traction device Means and connecting means 5.2.1 LHD proper traction, these devices should be easy and safe connection and disconnection, and to prevent the use of Accidental disconnection. Traction breaking strength of the connection point shall be no less than three times the total weight of the towing vehicle is designed. 5.2.2 LHD manufacturer shall provide load LHD allowed to pull the maximum total weight of the vehicle and the corresponding road Condition information. 5.3 Hydraulic System 5.3.1 General requirements Hydraulic system design and installation should comply with the relevant provisions of GB/T 3766's. Vehicles should be designed on the oil temperature monitor, when the oil temperature reaches system To alert the driver when a predetermined maximum oil manufacturer. 5.3.2 hydraulic circuit 5.3.2.1 LHD hydraulic circuit when the work, the working pressure must not exceed the maximum rated working pressure circuit. 5.3.2.2 hydraulic circuit can not because of pressure fluctuations (pressure rise, loss, decline) and dangerous. 5.3.2.3 hydraulic system hose, tube and pipe fittings should have sufficient strength, the pipeline should be possible to install in the cab outside, not It should be affected or other hot engine parts, should not affect nearby unprotected wires, cables, or to take quarantine measures. 5.3.2.4 hydraulic system pressure relief valve must be installed. If the pressure relief valve is adjustable, it should have a lock and prevent them with Italian adjustment measures. 5.3.2.5 When the fluid pressure in the hose in 5MPa above, the operating temperature above 50 ℃ and away from the driver in the operating position within 1m , You must add a guard should be strong, to protect the driver from the hose burst suddenly arising damage. 5.3.3 Inflatable accumulator 5.3.3.1 gas type accumulator should be installed to facilitate inspection, repair place, and away from heat. 5.3.3.2 gas type accumulator must be firmly fixed to the bracket to prevent the gas type accumulator injuries occur when flying at a fixed disengaged from People at risk. 5.4 Electrical Equipment 5.4.1 General requirements 5.4.1.1 Electrical equipment design, manufacture, installation and operating conditions shall comply with the provisions of GB 5226.1. 5.4.1.2 In addition to cable diesel LHD between batteries and the starter motor, all other electrical wiring should be based on GB 5226.1- 2008 regulations 7.2 and 7.3, using the appropriate fuse or protective device for protection. 5.4.1.3 If the use of chassis and frame as the current carriers, the frame should be limited to the maximum voltage (AC to 25V, DC to 60V) to prevent Direct contact with electrical shock hazard. 5.4.2 Cable 5.4.2.1 Mine cable reel cable should meet the GB T 12972.1, GB T 12972.5 and GB 5226.1-2008 12.1 provisions//. 5.4.2.2 cables for control, communication and monitoring circuits should have sufficient strength and conform GB 5226.1-2008 in 12.6.2 Claim. 5.4.2.3 In addition to armor or mechanical protection of cables, power cords should be all the fuel, lubricating oil or hydraulic lines isolate (Example Such as setting a mechanical barrier or a gap of at least 150mm). 5.4.2.4 to install the cable should not wear mechanical vibration insulation, or not due to fatigue caused by bending wire damage closed. 5.4.3 Battery Technical Requirements 5.4.3.1 The battery shall comply with the provisions of GB 5008.1. 5.4.3.2 batteries should be placed in sturdy, ventilation and fire the battery box. Battery box should be placed away from heat sources, minimum vibration, from Recently starter motor, easy maintenance areas. 5.4.3.3 batteries should have ventilation measures on the lid or battery box, ensure that the battery should have adequate ventilation inside and outside vent, to prevent In normal operation LHD battery hydrogen and oxygen savings caused risk of bursting. Metal surface should cover from the battery belt Electrical part at least 30mm or more. 5.5 Electric LHD 5.5.1 General requirements LHD electric motor with safety requirements should be consistent with the provisions of GB 14711. Its performance should meet the requirements of 755 GB . 5.5.2 Cable Reels In addition to cable reels meet GB/T 9089.3 requirements, it must also be met. A) After the cable into the cable reel, apply clamping device fixed firmly to prevent the cable collector ring is pulled off from the cable reel, and should Equipped with a ground terminal to connect the ground wire within the cable; b) in the immediate vicinity of the LHD cable entry point, the output side of the slip ring cable drum should be configured with a circuit breaker easy to operate; c) the design of cable reel in all working conditions, the cable should not exceed the cable manufacturer's recommended maximum temperature; d) There should be a cable reel to prevent cable too tight or less tight restriction device; e) In the LHD various operating speeds (up to the highest speed) conditions, it should be able to properly cable reel cable reel; f) Measures should be taken to ensure that the electric cable reel when the LHD cable laying cable does not go empty, the volume does not exceed the electrical cable cable The maximum outer diameter of the cable reel. 5.5.3 residual current protection device Electric LHD should be equipped with residual current protection device, the remaining residual current protection device operating current and partial product off time Not more than 30mA · s. Residual current protection device shall comply with the provisions of GB /Z6829's. 5.5.4 main circuit and other electrical equipment 5.5.4.1 Electric LHD main circuit insulation resistance and test methods should be consistent with the relevant provisions of GB 50150. 5.5.4.2 Electric LHD should prevent damage to the insulation of electrical equipment, while the danger of electrical shock, electrical equipment should be grounded. its Grounding resistance should be consistent with GB 16423-2006 requirements in 6.5.6.9. 5.6 diesel LHD 5.6.1 General requirements Diesel baseline conditions should be consistent with GB/T 6072.1 requirements, performance, and security should conform to GB/T 1147.1 and The relevant provisions of GB/T 20651.1, and should be able to trim 30 °, 25 ° heeling under stable operation conditions. 5.6.2 emissions Diesel exhaust system (including the cooling system) air flow direction should fully consider the comfort and health of operators. Exhaust pipes shall be arranged far Away from the operator, the exhaust direction of the exhaust pipe should LHD job in minimizing the harm to surrounding personnel. Exhaust pipe installation Before and silencer exhaust gas purifying device, the exhaust pipe on the LHD not installed exhaust gas purification, the concentration of harmful gas emissions should be in accordance with Table 2 Provisions. Table 2 engine tailpipe emissions of harmful gas allowable concentration Harmful gas components CO NOx name The active ingredient concentration limit ≤1500 × 10-6 ≤1000 × 10-6 Note. NOx refers to various engine exhaust nitrogen oxides mainly NO, NO2, N2O4, N2O6, HNO3, etc., which accounted for more than 90% of the NO content. 5.6.3 engine compartment 5.6.3.1 in the engine compartment, all fuel, lubricating oil, hydraulic oil lines should use high-temperature materials, and away from the hot engine Surface or the surface of the steel pipe between the engine/hose with a hot plate or install insulation shields, but the heat shield mounting plate or may not affect the engine Cabin air flow. 5.6.3.2 in the engine compartment, the engine exhaust system shall not flame or glowing particles escape. 5.6.3.3 fuel, hydraulic oil and electrical maintenance positions should be avoided in the engine compartment. 5.6.4 Fuel System 5.6.4.1 fuel tank must be manufactured and fixed in position by a minimum risk of damage or the possibility of steel. 5.6.4.2 fuel tank tightness test must be carried out, that is, at a pressure of not less than 20kPa maintain at least 15min no leakage. 5.6.4.3 When the fuel tank filler should be readily accessible, locally under the scraper designed with an inclined surface, jobs, parking, full fuel Oil tank can not overflow from the fuel filler neck. 5.6.5 Fuel Quality Diesel should be not less than the diesel flash point of 55 ℃. 5.7 Remote LHD 5.7.1 On LHD should design two control modes. manual control mode and remote control mode. Regardless of which mode should choose This includes an effective interlocking relationship to prevent executed by another unselected mode inadvertently issue control commands. 5.7.2 A remote control unit can only control one LHD. If two or more remote control device instructs, should be different The code to prevent multiple remote job LHD signal interference. 5.7.3 remote control system should be solid, easy maintenance and inspection. Transmitter and receiver should be protective, its protection rating of not less than IP65 level. If the receiver is placed in the driver's cab or similar places, which can be IP54 protection grade level. 5.7.4 under the following conditions, the remote control system shall be secure manner so that all the remote machine to stop or remain stationary. a) When the controller does not start; b) When the remote control system power supply is interrupted; c) When communication is interrupted between the receiver and transmitter when; d) On LHD power consumption so that the various parts of the remote control system signal interrupt...

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