Marine Anchor Electric Windlass Dia 64mm Double Gypsy Windlass Boat
Anchor Windlass
Main specification and parameter for Electric windlass |
Specification of Electric Windlass | | | | | | |
19 | 19 | 17.2 | ≥9 | 135 | 15 | 8.5 |
28 | 28 | 37.2 | ≥9 | 289 | 25 | 11 |
38 | 38 | 68.9 | ≥9 | 522 | 50 | 22 |
56 | 56 | 149 | ≥9 | 1093 | 80 | 45 |
76 | 76 | 274.4 | ≥9 | 1932 | 147 | 60 |
92 | 92 | 402 | ≥9 | 2735 | 200 | 85 |
105 | 105 | 523.7 | ≥9 | 3465 | 250 | 115 |
122 | 132 | 707 | ≥9 | 4495.5 | 250 | 100 |
Machinery used on ships to retrieve and lay anchors and chains.
The power adopts manpower, the steam engine, electric motor, and
hydraulic electric motor. Usually installed on the first deck of
the ship. Its development trend is to use one unit to realize
anchoring, mooring, automatic mooring, and cable tying operations.
The anchor is a kind of machinery for lifting and anchoring, and
can also be used as a winch. The requirements for anchors in the
Chinese code are as follows:
1) The anchor shall be driven by an independent driving force.
2) The rated tensile force of the anchor is not less than 41.68 d2n
(4.25 d2kgf) when d<25 mm, d is the chain diameter, in
millimeters, and the rated tensile force is not less than 36.8 d2n
(3.75 d2dgf). When using the rated tension, the average speed of
the anchor should not be less than 9 m/min.
3) The anchor should be able to work continuously for 30 minutes at
rated tension and rated speed, and for 2 minutes at an overload
tension not less than 1.5 times the rated tension. In addition, the
anchor should be equipped with an overload protection device, which
can be converted to medium-speed operation under overload
conditions.
4) The braking device on the windlass sprocket should work reliably
and can brake 45% of the tensile force of the anchor chain-breaking
load (when the free anchoring speed reaches 5-7.5m/s, the anchor
chain can still be Outer edge brake); there should be a clutch
between the sprocket and the load shaft. The windlass t; brakes and
clutches should be easy and reliable to operate; the windlass
should be able to rotate back and forth smoothly and quickly.
5) The installation of the anchor chain should ensure that the
three eyes (chain drum, chain machine, sprocket) are in a straight
line when pulling out the anchor chain.
There are two types of anchors, horizontal and vertical. Horizontal
anchors are usually used in merchant ships. Vertical anchors are
also called winches. The power part is located below the deck to
save the deck area. Vertical anchors are often used on warships. In
recent years, due to the large size of anchors, it is difficult to
accommodate the bow deck and is not conducive to operations, so
there are also vertical anchors.
Daily maintenance of anchors
1. Lubricating grease (SY1415-82) for rolling bearings and sliding
bearings;
2. The gear meshing surface is lubricated with grease (SY1412-75).
3. Calcium-based grease L-XAA 3 (GB491) is used for screws,
clutches, etc.
4. The oil cup should be filled with grease and the friction
surface should be regularly lubricated.
5. All non-working surfaces of the windlass should be kept clean,
and the exposed surfaces should be painted regularly to prevent
rust.
6. Regularly check the parts for damage and loose fixing bolts.
