GB 25525-2010Track-type loading machine underground mine - Safety requirements (English PDF)

1.5 Vibration dangerous

2 electrical hazards

4.1 General Requirements

4.1.1 The manufacturer shall for each type of hazard risk assessment loader according to Table 1, risk factors, and the ultimate basis for risk assessment knot If you decide whether you need to reduce the risk.

4.1.2 loaders security measures intended to be used should be consistent with the requirements of GB/T 15706.1 of.

4.1.3 loaders should be ergonomically designed to reduce labor intensity, to avoid operator fatigue.

4.1.4 The basic principles of health and safety loader design, general requirements, specific requirements should be consistent with GB 5083 and GB/T 15706.2 of Provisions.

4.1.5 Operation of the loader may loose parts and components, should take effective security measures to prevent loosening dangerous.

4.1.6 loaders should be set appropriate safety technical measures according to their structural characteristics and mode of operation, design safety guards and barrier Device to prevent overload may occur, the risk of material defects or other damage arising. Rotary drive system, swing, pan, and so on engagement Moving parts, should be installed in the inner fender or hood in line JB/T 3249 regulations.

4.1.7 into the operation and maintenance of the position of the channel device shall comply with GB/T 17300 of. It should be provided with a reliable starting and stopping the device and should be accurate, flexible on

4.1.9 When the power or control signal is interrupted, loaders braking work or transport institutions should ensure a safe state. Reliable hoisting apparatus should be set on

4.1.10 loaders and must ensure smooth lifting and to avoid overturning or plastic deformation.

4.1.11 When the loader to install driver's seat, seat comfort requirements should be consistent with the provisions of GB/T 8419's.

4.1.12 loaders and transport equipment should be safe and reliable connection means.

4.1.13 loaders noise limits should be consistent with GB 16710.1 requirements. Set on

4.1.14 loaders safety signs and hazard pictorials shall comply with the provisions of GB 20178.

4.2 Guards and protective devices

4.2.1 Li claw loaders, backhoe should be installed FOPS crab claw on loaders and loader. FOPS not hinder installation Normal operational activities of the operator. FOPS shall comply with GB/T 17771 of.

4.2.2 Loader moving parts design, manufacture and installation should be able to avoid the risk of GB/T 15706.1 and described in Table 1, and shall make Operator as little as possible in the danger zone for manual operation. Design

4.2.3 loaders guards and protective devices should be consistent with GB/T 15706.2 and GB/T 8196 in the relevant requirements.

4.3 Operating system and braking system

4.3.1 The operator controls the operating device shall comply with the relevant requirements of GB/T 8595's. The key operating device shall prevent accidental operation Protection devices.

4.3.2 operating device near high voltage wires and pipes should be fixed and covered properly to prevent line breakage or pipe burst when the operator hurt.

4.3.3 operating system should be installed in a safe location loaders, and should take into account the principles of ergonomic efficiency. Operation

4.3.4 operating device should be safe, flexible and convenient. Locate the configuration and signs should comply with the relevant requirements of GB/T 8595's. Loader

4.3.5 on a slope should be used to set the parking brake system, and shall comply with the relevant requirements of GB/T 19929 of.

4.3.6 loaded parking brake system test, the loader should be stopped on a 15% slope, the load shall be tested in a 20% slope Stopped.

4.4 Gas, hydraulic system requirements

4.4.1 gas, hydraulic system design and installation shall comply with GB/T 3766 and GB/T 7932 of the relevant requirements. Gas and hydraulic systems should be a Pressure relief device for the gas before servicing the hydraulic system pressure is released.

4.4.2 gas, hydraulic system hose, tube and pipe fittings shall be of sufficient strength and pressure hose shall be marked with the allowable working pressure. Pipeline Arrangement should be easy to install location inspection and maintenance of the pipeline should not be affected so that the motor or other hot parts.

4.4.3 gas, the hydraulic system pressure relief valve should be installed. If the safety valve is adjustable, it should have a lock and prevent any arbitrary adjustment Whole measures. Gas, hydraulic system

4.4.4 loaders should be consistent with GB/T 15706.2 requirements relating to safety regulations, the system pressure should not exceed the line The maximum allowable pressure. System should be equipped with a pressure monitoring device.

4.4.5 When the pressure inside the hose in 5MPa above, the operating temperature and the distance from operator position less than 1m above 50 °C, the It must be added a guard should be strong, to protect the operator from sudden hose burst and cause harm.

4.5 Lighting and electrical system requirements

4.5.1 Design of electrical systems, manufacturing, installation and operating conditions shall meet the requirements of GB 5226.1. Front and rear lighting

4.5.2 loaders should be able to meet the needs of traveling and working condition. All lamps should be installed firmly intact and effective, Is not allowed due to vibration loaders and loose, damaged, useless or change the direction of the light.

4.5.3 Electrical system loader on protective measures should be safe and reliable, in normal conditions, it should be able to reliably prevent and reduce direct Danger of electrical contact. Loader flameproof electrical equipment shall comply with the provisions of GB 3836.1 and GB 3836.2.

4.5.4 loaders mine cable should meet the GB/T 12972.1 and GB/T 12972.5 of the requirements.

4.5.5 Loader cable reel device, cable reels should be synchronized with the loader traveling, when the cable reel to put unprecedented 2 laps, set off Means to avoid excessive discharge cable reel cable pull off the cable.

4.6 Diesel loaders

4.6.1 Loader with a diesel-powered, the baseline conditions of the diesel engine should be consistent with GB/T 6072.1 requirements, performance and safety Full sex shall conform to the relevant provisions of GB/T 1147.1 and GB/T 20651.1 of.

4.6.2 Diesel exhaust system exhaust gas flow direction arrangement should fully consider the comfort and health of the exhaust pipe in the loader operator jobs Should be to minimize the harm to surrounding personnel. Exhaust purification device should be installed and muffler. Loaders exhaust gas purifying exhaust pipe is not installed Before gasifier, the concentration of harmful gas emissions to comply with Table 2. Table 2 diesel emissions allowable concentration of harmful gases Hazardous components Name CO NOx Hazardous ingredient concentration limits <=1500 × 10-6 <=1000 × 10-6 NOTE. NOX refers to the internal combustion engine exhaust gas mixtures of various nitrogen oxides, mainly NO, NO2, N2O4, N2O5 HNO2, HNO3, etc., which NO content of more than 90%.

4.6.3 Loader with a diesel engine, should be equipped with fire-fighting equipment.

4.7 Stability

4.7.1 loaders stability design should be consistent with GB/T 15706.2 of the relevant requirements.

4.7.2 for misuse may cause tipping loaders, on which the body and the use of manual operation should have warned the anti-tipping Instructions.

4.7.3 loader at all stages of handling, transportation, installation, commissioning, use, deactivation and removal of the loader, including the life cycle, there should be enough Enough stability. Under the given conditions, walks down a job in any direction and can not have the possibility of tipping and sliding.

5.2 User's Guide

5.2.1 loaders should provide detailed manual, and should be consistent with GB/T 15706.2 and GB/T 9969 requirements. Instructions for use The contents of the book include.

a) the name of the product, the main purpose and scope of use; Working conditions and environmental conditions

c) The main technical parameters;

d) the structural characteristics and working principle;

e) installation, adjustment (debugging) method;

f) The use and method of operation;

g) maintenance, maintenance and repair guides;

h) Common Faults and troubleshooting;

i) transportation and storage;

j) wearing parts, accessories, details of special tools;

k) the manufacturer's contact information.

5.2.2 Instructions terms should be used loaders country's official language, and should be suitable for the operator to read.

5.3 Signs, symbols, text warning

5.3.1 Application of the text on the operator panel loader clearly marked button or handle each use, and should be written expression of the entire loader Keeping within the life expectancy is clearly visible.

5.3.2 loaders should be set at a position prominent warning symbol and warning text to be attached, to avoid personal injury caused by improper use or load Machine damage.

5.3.3 signs, symbols, text warnings should be the official language loaders country.

6.2 Failure Control System

6.3 loaders upset, accidental loss of stability Starting and stopping device malfunction

6.5 brake failure Danger error generated security measures 7

7.1 security guard error