General specifications for hydraulic rock drill for coal mine
1 Subject content and application scope
This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of hydraulic rock drills for coal mine (hereinafter referred to as “rock drill”).
This standard is applicable to guide rail type and leg type hydraulic rock drills, hydraulic rotary drills for blast-hole and anchor bolt hole for coal mine (hereinafter referred to as "rotary drills") and hydraulic breaking impactors for breaking rocks (hereinafter referred to as "impactors") .
2 Normative references
GB 3836.1 Electrical apparatus for explosive atmosphere - General requirements
GB 5621 Test methods of performance for rock drilling machines and pneumatic tools
GB 5898 Measurement of noise emitted by rock drilling machines and pneumatic tools - Engineering method
GB 7935 Hydraulic fluid power - General requirements for hydraulic components
GB/T 13306 Plates
GB 13813 Testing method and judging rule of safety to friction spark of metallic material for coal mine
JB/T 7302 Rock drilling machines and pneumatic tools - General specifications for packing of products
ZB 4014 General specifications for paintings of rock drilling machine and pneumatic tools
3 Basic performance parameter items
See Table 1 for the basic performance parameter items of rock drills, rotary drills and impactors.
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4 Technical requirements
4.1 Rock drills, rotary drills and impactors shall be manufactured according to the drawings and technical documents approved based on the specified procedures, and the same parts shall be interchangeable.
4.2 All friction and impact parts and materials shall meet the requirements of GB 3836.1 and GB 13813.
