Scope
This standard specifies the classification, technical requirements, test methods and inspection rules as well as marking, packaging, transportation and storage of the head sheave.
This standard is applicable to the head sheave for the vertical shaft single hoisting in coal mines, inclined shaft and shaft sinking hoisting.
2 Normative References
The following documents are indispensable for the application of this standard. For dated references, only the dated edition is applicable to this document. For undated references, the latest editions of the normative documents (including all the amendments) are applicable to this document.
Foreword I
1 Scope 1
2 Normative References 1
3 Product Classification 1
4 Technical Requirements 1112
5 Test Methods and Inspection Rules 1314
6 Marking, Packaging, Transportation and Storage 1415
Figure 1 Floating Sheave 2
Figure 2 Cast Steel Sheave 56
Figure 3 Welded Sheave 67
Figure 4 Mould Pressing Sheave 67
Table 1 Basic Parameters and Dimensions of the Floating Sheave 3
Table 2 Basic Parameters and Dimensions of the Vertical Shaft Sheave 78
Table 3 Basic Parameters and Dimensions of the Shaft Sinking Sheave 910
Table 4 Radial Circular Runout, Inclined Circular Runout In mm 1314
