Multi-rope friction hoist
1 Scope
This document specifies the types, basic parameters, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage and maintenance of multi-rope friction hoist.
This document is applicable to the multi-rope friction hoist installed in the shaft of coal mine, metal mine and non-metal mine, which lifts personnel, materials and equipment in the environment without explosive gas and dust.
2 Normative references
The following documents contain requirements which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies.
GB/T 191 Packaging - Pictorial marking for handling of goods
GB/T 4879 Rustproof packaging
GB/T 8923.1-2011 Preparation of steel substrates before application of paints and related products - Visual assessment of surface cleanliness - Part 1: Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coatings
GB/T 13306 Plates
GB/T 13325 Noise emitted by machinery and equipment - Guidelines for the preparation of test codes of engineering grade requiring noise measurements at the operator’s or bystander’s position
GB/T 11345-2023 Non-destructive testing of welds - Ultrasonic testing - Techniques, testing levels, and assessment
GB/T 13384 General specifications for packing of mechanical and electrical product
GB 16423 Safety regulations for metal and nonmetal mines
GB 20181 Mine hoists and mine winders - Safety requirements
GB/T 25706 Code of designations for mining machinery products
GB/T 29712-2023 Non-destructive testing of welds - Ultrasonic testing - Acceptance levels
GB/T 37400.1-2019 Heavy mechanical general technical specification - Part 1: Products inspection and test
GB/T 37400.12 Heavy mechanical general technical specification - Part 12: Painting
JB/T 1581 Ultrasonic testing method for rotor and shaft forgings of steam turbines and turbine generators
JB/T 3277 Mine hoists and mine hoisting winders - Hydraulic station
JB/T 3721 Mine hoists and mine winders - Brake pad for disc brake
JB/T 3812 Mine hoists and mine winders - Cup spring for disc brake
JB/T 6754.2 DC electrically control equipment on shaft hoist - Part 2: Electrically control equipment of thyristor
JB/T 8519 Mine hoists and mine winders - Disc brakes
JB/T 9043 Mine hoist planetary gear reducer
JB/T 10347 Friction hoist - Friction lining
JB/T 12808 NGW type planetary gear reducer
JB/T 13193 Mine hoists and mine winders - Low-voltage variable frequency electric control equipment - Technical requirements
JB/T 13432 Mine hoists - High-voltage variable frequency electric control equipment - Technical requirements
JB/T 13433 Mine hoists - Medium-voltage variable frequency electric control equipment - Technical requirements
AQ 1014 Safety inspecting-testing specification of in-service friction hoist system for coal mine
AQ 2021 Safety inspecting-testing specification of in-service friction mine hoist for metal and nonmetal mines
NB/T 47013.4-2015 Nondestructive testing of pressure equipments - Part 4: Magnetic particle testing
NB/T 47013.5-2015 Nondestructive testing of pressure equipments - Part 5: Penetrant testing
3 Terms and definitions
No terms and definitions are listed in this document.
4 Types and basic parameters
4.1 Multi-rope friction hoists are divided into well tower hoists and ground-mounted hoists,
Foreword I
1 Scope
2 Normative references
3 Terms and definitions
4 Types and basic parameters
5 Technical requirements
5.1 Basic requirements
5.2 Requirements for parts and components
5.2.1 Main shaft device
5.2.2 Disc brake
5.2.3 Reducer
5.2.4 Hydraulic station
5.2.5 Depth indicator system
5.2.6 Guide wheel and head sheave devices
5.2.7 Electric control system
5.3 Safety protection
5.4 Motor direct-connected hoist
5.5 Supply scope of complete products
6 Test methods
7 Inspection rules
7.1 Inspection classification
7.2 End-of-manufacturing inspection
7.3 Type inspection
8 Marking, packaging, transportation, storage and maintenance
