1 Scope
This Standard specifies the model, specifications, technical requirements, test methods, inspection rules, marks, packaging, transportation and storage for lining block for sheave wheel of mine hoist.
This Standard is applicable to lining block for sheave wheel of mine hoist. Lining block for sheave wheel is mainly applied to the single-rope-twined sheave wheel for the coal mine and metallurgical mine etc., guide sheave of multi-rope friction hoist and the similar hoisting equipment applying head sheave and guide sheave to change the steel wire rope direction.
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 amending errors in the text) to, or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest editions of these documents are applicable. For undated references, the latest edition of the normative documents referred to applies.
Foreword I
1 Scope 1
2 Normative References 1
3 Specification and Model 2
4 Technical Requirements 5
5 Test Method 5
5.1 Wear Rate Test 5
5.2 Hardness Test 5
5.3 Impact Test 5
6 Inspection Rules 5
6.1 Ex-factory Inspection 5
6.2 Type Inspection 6
7 Marking, Packaging, Transport and Storage 6