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
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.
Contents of MT/T 971-2005
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
