单词 | rope roll |
释义 | > as lemmasrope roll rope roll n. Mechanics a cylinder or drum around which is wound a rope for communicating motion. ΘΚΠ society > occupation and work > equipment > lifting or hoisting equipment > [noun] > winch or capstan > drum or barrel of barrel?1518 roller1609 turn-tree1653 turn-beam1679 tympanum1704 capstan-barrel1706 rope barrel1797 rope roll1811 1811 J. Farey Gen. View Agric. Derbyshire I. 323 For shallow Shafts, a Stowse, Turn-beam, or Turn-tree, which is a rope-roll with winch-handles for Men to work, is erected over the Shaft. 1838 N. Wood Pract. Treat. Railroads (ed. 3) 255 The train, on one side, is drawn up, and, passing underneath the rope roll, descends the opposite plane, unwinding the rope from the roll. 1954 Economica 21 58 The first recorded departure from winding coal by horse gins in Cumberland was made at George Pit, Whitehaven, where, on the same shaft as the rope rolls, an overshot water-wheel..was erected. 2004 Z. Agócs et al. Assessment & Refurbishment Steel Struct. vi. 366 Thimbles for rope rolls of diameter D > 12d should be used instead. < as lemmas |
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