This standard specifies types and parameters, requirements, test methods, inspection rules as well as marking, packaging, transportation and storage of electric control equipment of boom-type roadheader for coal mine (hereinafter referred to as electric control equipment).
This standard is applicable to control equipment of boom-type roadheader for making preparation working face in mine shaft with mash gas (methane) and dust explosion hazards.
Foreword i 1 Scope 2 Normative References 3 Types and Parameters 4 Requirements 5 Test Methods 6 Inspection Rules 7 Marking, Packaging, Transportation and Storage
