Table 4 Relevant parameters of hydraulic rod.
From: Dynamical Behavior of Coal Shearer Traction-swing Coupling under Corrected Loads
Designation of rod | Position of rod | Screw specification | maximum rod travel /mm | Rod travel for pre-tension/mm |
|---|---|---|---|---|
lckx | Lower goaf | M56 × 4 | 3460 | 6 |
lcks | Upper goaf | M56 × 4 | 4370 | 7 |
lcmx | Lower coalface | M56 × 4 | 3460 | 6 |
lcms | Upper coalface | M56 × 4 | 6080 | 10 |