Sectional type mast
The utility model provides a sectional type mast, including fixed part, movable part, pulley yoke and wire rope, the rotatable fixed part of locating of movable part with falling, the bottom of movable part articulates in the top of fixed part, the pulley yoke just extends in the slant on locating t...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The utility model provides a sectional type mast, including fixed part, movable part, pulley yoke and wire rope, the rotatable fixed part of locating of movable part with falling, the bottom of movable part articulates in the top of fixed part, the pulley yoke just extends in the slant on locating the fixed part, is equipped with a fixed pulley on the pulley yoke, wire rope one end is around locating on a winch and the other end be fixed in the movable part, and wire rope leads the sliding fit with the fixed pulley. The utility model provides a sectional type mast, through the mode of accomodating the movable part rotation, solved effectively that the limit for height of boats and ships when passing the bridge or berth in the pier requires and growing mast height between the conflict. And this sectional type mast's driving system adopts manual winch, and it rotates function and passes through the fixed pulley and realize, low cost, easily operation, reliability are higher. |
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