Escotillas McGregor (single pull McGregor hatch cover): Estructura de cierre de escotilla, compuesto por varios pontones con ruedas unidos entre si por cadenas.Al ser halado el primero de ellos, arrastra a los restantes, todos los cuales se desplazan por rieles diseñados a tal efecto, dispuestos sobre la brazola.
Dec 09, 1980· The hatch cover crane described herein includes a hydraulic jack on one side of the hatch cover crane, and mounted between the crane wheelbase just above one of the support tracks or rails which extend substantially the length of the ship.
Aug 31, 1971· Means of the firstmentioned type are liable to be damaged during the opening and closing movements and means of the lastmentioned type will form a limitation to the possibilities of transport on the deck transversely to the opening direction when the cover is closed. Siderolling hatch covers of this type have been provided with wheels or rollers which have been adapted to run on .
Bulk carrier hatch cover maintenance standards To ensure against the entry of sea water, rain or spray, all weather deck and hull openings (hatches, doors and ramps etc.) should be tightly secured and always maintained in good order. Battening down hatch covers with manual cleats can be a long job in a large ship with a small crew.
10. Worn centre line wedge devices on side rolling covers which cause cross joints to open when the ship is at sea As such, it is obvious that proper condition monitoring of the cargo hold hatch cover system and a consistent maintenance scheme are essential for the safety of the vessel, crew and cargo.
Dec 30, 2010· The traditional siderolling cover consists of two panels per hatch, each panel rolling sideways on a pair of For more details visit or .
Water is directed through the channel in the frame to a drain coupler, which is connected to a drainage pipe. In this series, the standard coupler location is on the bottom of the frame. Rainwater Flow. 1/4" Cover Channel Frame 11/2" Drain Coupler Concrete. Drain .
Arrangement of securing and cleating devices D ATA S H E E T Folding hatch covers in operation Hull deformation at sea Main types of hatch covers Stateoftheart hatch covers can be divided into three basic types: liftaway covers on container carriers, siderolling covers on bulk carriers, and folding covers on general cargo ships.
HATCHES AND HATCH COVERS FOR LARGE CARGOCAPACITY SHIPS. ... whose seven holds have electricallyoperated piggyback siderolling hatch covers. Some bulk carriers projected or already building have m x 26 m hatch openings with hydraulic folding covers; these ships can also be used as full containerships, and can carry three tiers on deck ...
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May 13, 2010· SIDE ROLLING HATCH COVER Operated by hydraulic motor by rack pinion. The panels can be arranged for stacking on one side or both sides. .
Feb 02, 2016· MacGregor's MacRack electric drive operating system for siderolling hatch covers MacRack is an economical, competitive and environmentallyfriendly .
Ramp winch and hydraulic system. Gangplank cylinder and hydraulic system. Rolling hatch cover. Hanging from the hatch cover. Side rolling hatch cover. Folding hatch cover. 104000kN·m rotary vane electrohydraulic steering gear.
Oct 17, 1972· The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows 1. Hatch structure for twin hatch, open ship type vessels, the said vessel having a main deck and twin hatch openings in the deck disposed transversely of the vessel over a common hold, a hatch coaming about each of said twin hatch openings above deck level and longitudinal and ...
Air Compressors Alfa Laval Automation Systems Cargo Control Cranes Cummins Daihatsu Danfoss DATA AND FAX RECORDERS Deutz Diesel Engines Electric Motors Engine Alarm Control Engine Governors FURUNO Gearboxes Generators Hatlapa Hydraulic Motors Hydraulic Pumps IMO AB Kongsberg Kongsberg Autronica Kongsberg Norcontrol MacGregor MAN Mitsubishi ...
Single Pull Hatch Cover For the Single pull hatch cover system, the single pull hatch covers are operated by a chain connected to both sides of the panel. The length of each panel is short. During the operation, the panels are rolling on the coaming with plain wheels on both side of panels which
Hatch Cover Motors And Rack And Pinion Drives. Keep the motors and associated control /directional valves well maintained, obtain megger readings as per PMS. The seals for the hydraulic drive of the sprocket to be kept well clear of dust and cargo residue. The .
Leaking cargo hatch covers caused cargo damage The bulk carrier had been fully loaded with grains. The vessel had side rolling cargo hatch covers. For six days, the vessel encountered heavy weather at Beaufort scale 9 which caused it to pitch and roll heavily. During the voyage the cargo hatch covers were washed over by seawater. All hatch ...
Jul 18, 2019· MacRack is a new economical, competitive and environmentallyfriendly electricdrive system that unites the lift and drive operations for siderolling hatch covers and so makes separate hatch cover lifters obsolete.
MacRack is an economical, competitive and environmentallyfriendly electricdrive system for siderolling hatch covers.
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