30 results about "Deck machinery" patented technology

The invention discloses a manufacture method of an offshore riprap leveling ship. The manufacture method comprises the following steps of: firstly, preparing for works; preparing for materials, to be specific, manufacturing a ship body by sections, manufacturing an iron outfitting and a piping system, manufacturing pile legs, a lifting mechanism, a big vehicle infield and a small vehicle infield; preassembling, carrying out sand washing and coating, largely combining by sections after sand washing and coating, installing a deck machine and the lifting mechanism; carrying out combining pipe installation, internal decoration and cabin tightness test; coating finish after the large combination by sections, the lifting mechanism installation, the combining pipe installation, the internal decoration and the cabin tightness test are completed; and finally, installing a big vehicle and a small vehicle to form the ship body, launching the ship body, debugging the ship body after launching, installing and debugging the pile legs, installing and debugging a belt conveyor and a riprap device on the ship body after the ship body and the pile legs are debugged, then carrying out inclination test, and finally delivering the ship. The manufacture method has the advantages of reducing construction procedures, lowering production cost and increasing production efficiency.

The invention provides an ocean light purse seiner. The ocean light purse seiner comprises a seiner body, a main engine, a fixed pitch propeller, outfitting equipment, fuel oil equipment, fire fighting equipment, life equipment, ventilation equipment, exhaust equipment, fire extinguishing equipment, pollution prevention equipment, lifting equipment, deck machinery equipment, navigation equipment, life-saving equipment, signal equipment, a power system, power distribution equipment and electrical equipment, wherein the outfitting equipment, the fuel oil equipment, the fire fighting equipment, the life equipment, the ventilation equipment, the exhaust equipment, the fire extinguishing equipment, the pollution prevention equipment, the lifting equipment, the deck machinery equipment, the navigation equipment, the life-saving equipment, the signal equipment, the power system and the power distribution equipment are all arranged on the seiner body. The ocean light purse seiner provided by the invention has a good ship type and high endurance, and is provided with a sea water desalination device, and thus the fresh water carrying quantity can be reduced, and the long-distance navigation endurance exceeds thirty days.

The invention provides a non-mudhold double-body drag suction dredger and a construction method thereof and relates to dredging equipment and a construction method thereof. The technical scheme is that: the drag suction dredger equipped with a propelling device, drag suction dredging systems, a boat-loading system, deck machinery and a mud boat binding device is used for dredging and taking sand.The invention is characterized in that: the drag suction dredger is a non-mudhold double-body drag suction dredger; the dug sand is loaded into a selfpropelled mud boat anchored between two boat bodies of the drag suction dredger through the boat-loading system arranged on decks of the boat bodies on the two sides; and after being loaded, the mud boats are conveyed to the dredge filling position in a selfpropelled mode. The non-mudhold double-body drag suction dredger and the construction method thereof can be applied to large-scale dredge filling projects and sand-taking projects in abyssal regions far away from coasts.

The invention discloses a low-temperature-resistant salt-spray-resistant rubber sealing material and a preparation method thereof. The invention belongs to the technical field of rubber sealing materials. The sealing material comprises the following components in parts by mass: 100 parts of a rubber matrix, 3-5 parts of zinc oxide, 0.5-3 parts of stearic acid, 10-40 parts of montmorillonite, 5-50parts of carbon black, 0.5-3 parts of an anti-aging agent, 5-20 parts of a plasticizer, 1.5-3 parts of an accelerant, and 0-10 parts of a vulcanizing agent and an auxiliary of the vulcanizing agent. The raw materials are subjected to an open mill plastication process, an internal mixer mixing process, an open mill mixing process and a vulcanization process to prepare the rubber sealing material, and the rubber sealing material has low-temperature resistance and salt spray resistance and can meet the requirements of deck mechanical sealing and low-temperature pipeline system oil-resistant sealing on polar ships.

The invention discloses a winch support and belongs to the field of ship deck machinery. The winch support comprises a fixed support body, a movable support body and a base. The fixed support body is fixed to the base. A through groove extending towards the fixed support body is formed in the top of the base. A sliding piece is arranged at the bottom of the movable support and slidably inserted into the through groove. A rail part extends in the base in the length direction of the through groove and is arranged opposite to the through groove. A plurality of mounting holes are formed in the rail part at equal intervals in the length direction of the rail part. An oil cylinder is mounted on the sliding piece. The extending-retracting direction of the oil cylinder is the same as the length direction of the rail part, and the extending-retracting length of the oil cylinder is no less than the interval of every two adjacent mounting holes. A matching piece is detachably mounted at the other end of the oil cylinder, and the matching piece and any mounting hole are detachably mounted together through mounting pieces. The applicability of the winch support is improved.

The invention relates to a marine electric mooring winch which comprises a base. A rope storage winding drum is installed at one end of the base, a variable frequency motor is installed at the lower portion of the other end of the base, the output end of the variable frequency motor is connected with a speed reducing box, and the output end of the speed reducing box is connected with a rotary shaft of the rope storage winding drum through a coupler. Wall shelves are further arranged on the base at intervals, and the rope storage winding drum is located between the wall shelves. The marine electric mooring winch is compact and reasonable in structure, convenient to install, small in occupied space, low in cost and good in using reliability, the defect that a hydraulic mooring device in the prior art occupies a large space and is high in manufacturing cost and complicated in maintenance causes environmental pollution is overcome, and the requirement for deck machinery of a modern ship can be met well.

The invention provides a chain stopper, and belongs to the field of deck machinery. The chain stopper comprises a bracket, a cable lifter, a chain stopping knife switch and adjusting gaskets, and thesupport comprises a first supporting plate and a second supporting plate. A first mounting groove is formed in the first supporting plate; a second mounting groove is formed in the second supporting plate; one end of the chain stopping knife switch is positioned in the first mounting groove; a plurality of the adjusting gaskets are clamped between the side wall, close to the cable lifter, of the first mounting groove and the chain stopping knife switch; the other end of the chain stopping knife switch is positioned in the second mounting groove; a plurality of the adjusting gaskets are clampedbetween the side wall, close to the cable lifter, of the second mounting groove and the chain stopping knife switch; and a pit is formed in the chain stopping knife switch after the pit is collided by an anchor chain, part or all of the adjusting gaskets in the first mounting groove and the second mounting groove can be taken out, and then the taken-out adjusting gaskets are mounted between the side walls, away from the anchor chain wheel, of the first mounting groove and the second mounting groove and the chain stopping knife switch, so that the distance between the chain stopping knife switch and the anchor chain wheel is reduced, and the chain stopping knife switch can still lock the anchor chain.

The invention relates to a fishing boat, in particular to an electric propulsion trawler, which solves the problems of poor power performance, poor energy conservation and environmental protection, large noise and vibration, poor operation economy and inconvenience in maintenance of the conventional trawler. The electric propulsion trawler comprises a power generation system, a power distribution system, a main propulsion system and an auxiliary system, wherein the power generation system comprises two constant speed power generation units; the power distribution system comprises an AC690V power distribution board, an AC400V power distribution board, a main transformer and an auxiliary transformer; the main propulsion system comprises two propulsion frequency converters, a double-armature alternating current propulsion motor, a gear box and a screw propeller; and the auxiliary material comprises deck machinery and auxiliary electric equipment. The electric propulsion trawler is applicable to various fishing operation.

This invention is a chained scoop-digging and floating stoping ship with its metal stern as a mineral place. The ship itself is regarded as a stoping platform, its anterior building berth is a structure of concave double bows, the chained scoop-hanging setup is set between concave double bows through a mechanical rise or fall device on the deck, so it can go up and down. On the ship stern there are a ore-storing yard and a tailing pile while the ore dressing facility, central control system and deck machinery are set up on the mining platform .The long arm and bridge of the chained scoop form triangular chained scoop-hanging setup that is hung and hoisted by the deck machinery, on it there are circulating conveyor belt and the chained scoop form the transmission pair. Because the ship adopts the structure of the concave double building berth, the chained scoop-hanging setup can easily go up and down. When the excavating takes place, it will go from the upper strata to the lower floor, the mining width is unrestricted. The light alloy chained scoop not only strengthens its hardness but also reduces its weight, so it can save much energy, reduce the size of the stoping ship to the maximum extent, lower the cost of the hull fabrication and improve the mobility and flexibility of the ship.

The invention relates to a hatch cover provided with a modified rubber seal ring, and belongs to the technical field of deck machinery. The hatch cover provided with the modified rubber seal ring comprises a cover plate, a coaming and a plurality of locking devices, the locking devices are used for locking the hatch cover, a retaining ring is fixedly arranged on the bottom face of the cover plate,and the retaining ring with more than one reinforcing rib being fixedly welded and the cover plate jointly form a frame structure; and a seal ring is arranged between the retaining ring and the edgefold of the cover plate, a ceramic layer is arranged between the cover plate and the seal ring, and the ceramic layer protrudes towards the seal ring to be in a circular arc shape. According to the hatch cover provided with the modified rubber seal ring, the ceramic layer slightly protruding towards the seal ring is arranged between the cover plate and the seal ring so that the two sides of the seal ring can slightly upwarp when the seal ring deforms under stress, the concave positions on the two sides of the circular-arc protrusion are filled with the seal ring, therefore the sealing effect can be better, meanwhile when the seal ring loses efficacy, the modified ceramic layer can further achieve a protective effect on the cover plate, and the cover plate is prevented from being corroded.

The invention belongs to the field of marine deck machine related equipment and discloses a series type marine lifting compensation device. The device comprises a main base, a movable gallery ladder,an intermediate gallery ladder and a connecting gallery ladder. Meanwhile, the movable gallery ladder is provided with a translational motion joint module. Each of the intermediate gallery ladder andthe connecting gallery ladder is provided with a rotating joint module. When a ship fluctuates due to waves and longitudinally inclines, under the horizontal movement effect of the movable gallery ladder and the circular rotation effect of the intermediate gallery ladder, the connecting gallery ladder can be kept horizontally, and meanwhile, the absolute height and the horizontal position of the connecting gallery ladder are not changed. By the adoption of the device, a multi-joint structure series robot mode can be fully used for counteracting and eliminating various swing and oscillation motions, compared with existing equipment, the device better guarantees high-accuracy lifting compensation of a wind power maintenance ship and other marine operation ships, and meanwhile the device hasthe beneficial effects of being high in compensation rate, adaptability, stability and the like.

The invention relates to a special chemical cleaning agent for a liquid neutral environment-friendly ship pipeline, the chemical cleaning agent comprises the following components according to the proportion: the components and the weight percentages thereof of the cleaning agent are as follows: 0.8 to 1.2 percent of ammonium chloride, 1 to 4 percent of sodium fluoride, 3 to 7 percent of triethanolamine, 6 to 10 percent of sodium salicylate, 1 to 5 percent of fatty acid amide, 0.1 to 0.4 percent of defoamer, 0 to 12 percent of citric acid and the rest of water. A preparation technology is as follows: the components are mixed and arranged in a reaction kettle for carrying out reaction, detection, filtration and packaging according to the proportion. The neutral cleaning agent has the advantages of neutral, environmental protection, high cleaning efficiency, low cost and safe construction. The chemical cleaning agent is mainly used for the pipeline of a ship stern tube lubricating oil system, the pipeline of a fuel oil daily system of a generator, the pipeline of the fuel oil daily system of a boiler, the pipeline of a high and low temperature freshwater system, the pipeline of a hydraulic system of a deck machinery, the pipeline of the fuel oil daily system of a host and the pipeline of the lubricating oil system of the host, thereby assisting the chemical cleaning of water scale, rust scale and impurities in the pipeline of the boiler and the internal system of the waste gas boiler. The chemical cleaning agent is especially good at the chemical cleaning of various systems of a new built ship before driving the vehicle.

The invention provides a coupling hoist achieving automatic cable take-up and pay-off for an unmanned ship. The coupling hoist comprises a motor, a coil, a coil support, a reset spring, a conduction contact piece, a drum shaft, a drum, a cable arrangement wheel shaft, a cable arrangement wheel, a reciprocating wire, a first chain wheel, a second chain wheel, a screw rod base and a screw rod sliding block. The coupling hoist achieving automatic cable take-up and pay-off is mainly applied to the field of unmanned ship deck machinery, a load power supply relay contact switch module and a chain wheel driving reciprocating automatic cable arrangement wheel are designed, the problem that an existing hoist needs to lead a power supply line out of a drag cable to be supplied to electric equipment for use is solved, and meanwhile the problems that in the prior art, coiling is messy, so that the space utilization rate of the drum and a cable containing bin is low, and equipment is likely to be damaged due to cable jamming are solved; a sensor, a PLC, an expert system and the like are arranged on the hoist, automatic control can be achieved, certain intelligence is achieved, and the device has the advantages of being simple in structure, few in fault points, easy to operate, free of maintenance, capable of conducting self-diagnosis, remote monitoring and maintenance and the like.

The invention relates to a hatch cover with a ceramic layer and belongs to the technical field of deck machinery. The hatch cover with the ceramic layer comprises a cover plate, a coaming and a plurality of locking devices, wherein each locking device is used for tightly closing the hatch cover, a stop ring is fixedly arranged on a bottom surface of the cover plate and form a framework structure together with the cover plate by welding one or more reinforcing ribs, a sealing ring is arranged between the stop ring and a folding edge of the cover plate, the ceramic layer is arranged between thecover plate and the sealing ring, and the ceramic layer bulges towards the sealing ring in a circular arc shape. The ceramic layer slightly bulging towards the sealing ring is arranged between the cover plate and the sealing ring, so that two sides of the sealing ring slightly warp up when deformed under stress to fill sunken parts of two sides of the circular arc bulge, the sealing effect is better, and the ceramic layer can have a protection function on the cover plate to prevent the cover plate from being corroded when the sealing ring fails.

The invention relates to a hatch cover, and belongs to the technical field of deck machinery. The hatch cover with double ceramic layers comprises a cover plate, a surrounding plate and a plurality oflocking devices, the hatch cover is closed by the locking devices, a retaining ring is fixedly arranged on the bottom surface of the cover plate, the retaining ring and the cover plate collectively form a frame structure by fixedly welding more than one reinforcing rib, the a sealing ring is arranged between the retaining ring and a folding edge of the cover plate, and a ceramic layer is arrangedbetween the cover plate and the sealing ring and projects towards the sealing ring to form an arc shape. According to the hatch cover, the ceramic layer slightly projects towards the sealing ring andis arranged between the cover plate and the sealing ring, so that two sides of the sealing ring are slightly lifted when the sealing ring is deformed as force is applied to the sealing ring, two arc-shaped projecting recessed positions are filled, and sealing effects are better. When the sealing ring fails, the ceramic layer can further protect the cover plate, and the cover plate is prevented from being corroded.

The invention relates to an electric heat tracing device for cold protection of deck machinery of a polar ship. The electric heat tracing device comprises a fixed arm and a moving arm, wherein the fixed arm is fixed on the hull, the moving arm is driven by a roller to move back and forth by raking the fixed arm as a track, a heating tube is installed at one end of the shaft in the roller, the other end is mounted with a temperature control probe that is connected to the heating tube through a thermostat and a relay, and the thermostat, the relay, the heating tube and the temperature control probe are respectively connected to a power supply module of the ship. The electric heat tracing device transmits heat to the roller through the shaft due to heat conduction by heating the shaft in theroller component such that the roller temperature is always maintained above 0 DEG C, so as to ensure that the moving arm smoothly protrudes and retracts from the fixed arm. In addition, the electricheat tracing device adopts a thermostat and a relay to automatically start heating or close the heating tube, which realizes intelligent temperature control and solves the problem that the moving armcannot protrude and retract from the fixed arm due to low temperature ice accretion.

The invention relates to an intelligent ship data management system and a method thereof. The system comprises a shore-end data center and at least one ship-end data center, the ship end data center is arranged on a ship and used for collecting data of ship communication equipment, deck mechanical monitoring equipment, a cabin, cargo hold monitoring equipment and ship body monitoring equipment, and ship performance monitoring, ship electromechanical equipment health management, ship comprehensive energy efficiency management and ship body stress monitoring are achieved; and the shore-end datacenter is arranged on a shore base and is used for realizing single-ship data management and fleet data comprehensive management according to the data sent by the ship-end data center. The problems that only a small amount of data is exchanged between ships and shores and the comprehensive management means and capacity of shipping enterprises on the ships are limited in the prior art can be solved.

The invention discloses a large ship deck machinery brake structure based on a locating device. A caliper assembly formed by a main graduated scale (1) and a vernier scale (4) is arranged at the outer end of a brake rod, is vertical to the brake rod, is located at one side of a brake leg in the deck machinery brake structure, and is parallel to the brake leg when in a locating state. The locating accuracy of the deck machinery brake structure is ensured, the structure is simple, the operation is convenient, and a snap ring at a top part is connected by adopting a pin shaft, so that the rotation at a certain angle can be carried out, the deck machinery brake structure can be suitable for brake rods with different diameters, and the application range is wider; a tool locating mode is adopted, so that error caused by manual locating is avoided, the ship deck machinery brake structure can be located and arranged accurately, and the safety of machinery and people is ensured; the deck machinery brake structure is convenient to disassemble after use, and can be reutilized.