This standard specifies the types, basic parameters, technical requirements, test methods, inspection rules as well as marking, packaging, transport and storage of flameproof submerge electric pump for coal mine (hereinafter referred to as “electric pump”).
It is applicable to the flameproof submerge electric pump for coal mine.
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this standard, however parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition applies.
GB/T 191 Packaging - Pictorial marking for handling of goods (GB/T 191-2000, eqv ISO 780:1997)
GB 755 Rotating electrical machines - Rating and performance (GB 755-2000, idt IEC 60034-1:1996)
GB/T 1032 Test procedures for three-phase induction motors
GB/T 1176 Specification for cast copper alloys (GB/T 1176-1987, neq ISO 1338:1977)
GB/T 1220 Stainless steel bar
GB 1971 Terminal markings and direction of rotation of rotating electrical machines
GB/T 2423.4-1993 Basic environmental testing procedures for electric and electronic products - Test Db: Damp heat, cyclic (eqv IEC 68-2-30:1980)
GB/T 2818-2002 Submersible motor for deep well
GB 3836.1-2000 Electrical apparatus for explosive gas atmospheres - Part 1: General requirements (eqv IEC 60079-0:1998)
GB 3836.2-2000 Electrical apparatus for explosive gas atmospheres - Part 2: Flameproof enclosure "d" (eqv IEC 60079-1:1990)
GB 3836.3-2000 Electrical apparatus for explosive gas atmospheres - Part 3: Increased safety "e" (eqv IEC 60079-7:1990)
GB/T 4942.1-2001 Classification of degrees of protection provided by enclosures of rotating electrical machines (IP code) (idt IEC 60034-5:1991)
GB/T 12785-2002 Test methods for submersible motor-pumps
GB/T 13306 Plates
GB/T 13384 General specifications for packing of mechanical and electrical product
JB/T 6880.1 Grey iron castings for pumps
JB/T 6880.2 Steel castings for pumps
JB/T 6880.3 Castings for pumps - Part 3: Erosive wear-resistant white iron castings of pumps
JB/T 8687-1998 Sampling inspection for pump products
JB/T 9615.1-2000 Test methods of the interturn insulation on random wound winding for AC low-voltage machines
JB/T 9615.2-2000 Test limits of the interturn insulation on random wound winding for AC low-voltage machines
JB/T 50080 Submersible motor-pumps - Reliability evaluation methods
3 Types, models and basic parameters
3.1 Types
3.1.1 The electric pump is the electromechanical product composed of flameproof three-phase induction motor coaxially connected with pump.
3.1.2 The pump is divided into vertical or horizontal single-stage and multi-stage types.
3.1.3 The vertical electric pump is divided into upper pump and lower pump types according to the relative position of pump and motor.
