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Ship mechanics, interesting articles

Stoppers for anchor chains and anchors

Stoppers for anchor chains and anchors.For attaching the anchor chain during the stay of the ship at anchor and the temporary detention of the anchor chain when handling the camera is mounted stationary and portable stoppers. Stationary Stoppers they are used temporarily to detain the anchor chain when working with it.They are installed between the anchor…
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The last ship

  The structure of the boat device includes tackle (knight) equipment for fastening boats, davits of various designs and boat winch. The lashings are called gear designed !! for reliably mounting the clap on deck keel blocks and completely eliminating boat movements caused by swaying, vessel or other reasons! The lash must necessarily include connections…
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Volumetric piston and rock pumps

Volumetric piston and rock pumps.The principle of operation of the piston pump is to move the liquid (or gas ) under the action of the piston performing reciprocating motion . In this case, there is an alternation of two successive processes : suction and discharge . Suction is a process where the movement of the…
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Marine pumps and their classification

Marine pumps and their classification.Ship pumps are designed to ensure the normal operation of the main machines to meet general ship needs. When pumps are used, liquids or gas media are transported through pipelines inside the vessel, their are received overboard to ship or removed overboard. All pumps used on ships can be classified according…
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Examples of aggregation of ship machines mechanisms and heat exchangers

Examples of aggregation of ship machines mechanisms and heat exchangers.Mechanisms and heat exchangers. Main turbo ° gear assembly. Currently, as a rule, is supplied to the shipbuilding yard for water in the form of the following main components: a gearbox, low, medium and high pressure turbines, a condenser. Auxiliary mechanisms and heat exchangers serving the…
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The concept of aggregation of marine equipment

The concept of aggregation of marine equipment. Regarding the creation of such equipment structures, when mechanisms, apparatus and devices that work together and are closely interconnected according to the nature of their operation, are assembled into one equipment and mounted on a common base frame or frame. The main condition for aggregation is high shop…
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Prospects of development of gas turbine

Prospects of development of gas turbine. Significant! The advantages of gas turbine engines (GTE) in front of other types of main ship machinery contribute to their gradual introduction into shipbuilding. At present, the tallest ships in operation are the vessels for horse-drawn transport, equipped with a gas turbine engine with a capacity of 40,000 60,000…
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Steering and thruster

Steering and thruster.Previously it was stated that the main means for controlling the ship’s handling is the steering device (see 5). The steering gear includes: a wheel with a tail, a steering gear and a steering gear. Types of rudders, rudders used on ships can be classified. Three signs: on the shape of the profile,…
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The main turbo-toothed unit, its composition and design

The main turbo-toothed unit, its composition and design.Main turbo gear unit (GTZA) prev. It is a main marine engine operating on a conduit consisting of several turbines (steam or gas), gear train, raaBIoro condenser (for steam turbines) 11 main thrust bearing, which is usually embedded in gear case and fig. 164 is schematically depicted. The…
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The constructive scheme of the reversible and the reverse-gear clutches

The constructive scheme of the reversible and the reverse-gear clutches. Constructive reverse reversing – gear sleeves rotary engines with a speed of about 1500 rpm (engine RC – 19 has n 1525 rpm) can be installed on ships with underwater wings without a gearbox with one reversing muff The first towing wheeled vessel with A…
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