61 results about "Moon pool" patented technology

The invention relates to the technical field of ships, and discloses an ice flowing prevention device applied to a polar region ship moon pool, which comprises ice pushing manipulators, the ice pushing manipulators are arranged on the upstream and the downstream of the moon pool, and the ice pushing manipulators can push ice flowing to enable the ice flowing towards the moon pool to be far away from the moon pool; the underwater sound ice detector is mounted at the bottom of the ship, and the underwater sound ice detector can monitor position data of flowing ice in water relative to the ice pushing manipulator; the ice block crushers are installed at the positions, located on the upstream and the downstream of the moon pool, of the bottom of the ship, and the ice block crushers can crush flowing ice flowing to the ice block crushers; the ice stirring baffle is arranged at the bottom of the ship and located on the periphery of the moon pool, and when flowing ice flows through the ice stirring baffle, the flowing ice can be away from the moon pool along the outer surface of the ice stirring baffle; and the controller is electrically connected with the underwater sound ice detector, the ice pushing manipulator and the ice block crusher. Through the arrangement of the ice flowing prevention device, the flowing ice can be prevented from blocking the moon pool, and the flowing ice can also be prevented from colliding with underwater equipment.

The invention belongs to the technical field of ships, and discloses an energy dissipation device, a moon pool and a ship, the energy dissipation device is used for being arranged on the inner wall of the moon pool of the ship, and the energy dissipation device comprises a buffer plate arranged in the vertical direction and parallel to the inner wall of the moon pool; the perforated plate is arranged on the surface, deviating from the inner wall of the moon pool, of the buffer plate and is parallel to the buffer plate, a plurality of through holes for fluid to pass through are formed in the perforated plate, and each through hole penetrates through the perforated plate in the direction perpendicular to the buffer plate; the turbulent flow assembly is arranged on the face, away from the buffer plate, of the perforated plate and used for conducting flow guiding and dispersing on shaking fluid in the moon pool, the perforated plate is used for dissipating energy of the dispersed fluid, and the buffer plate is used for dissipating energy of the fluid penetrating through the perforated plate. According to the energy dissipation device, energy generated by fluid sloshing in the moon pool can be effectively dissipated, the amplitude and impact force of fluid sloshing are restrained, vibration and noise of equipment are reduced, and the safety, stability and safety of the equipment are improved.

The application belongs to the technical field of ships, and discloses an energy dissipation device, a moon pool and a ship. The energy dissipation device is arranged on the inner wall of the moon pool of the ship and comprises a buffer plate arranged in the vertical direction and parallel to the inner wall of the moon pool, a perforated plate arranged on the side of the buffer plate away from the inner wall of the moon pool and parallel to the buffer plate, a plurality of through holes for fluid passing being arranged on the perforated plate, each through hole penetrating the perforated plate in the direction perpendicular to the buffer plate, and a turbulence assembly arranged on the side of the buffer plate away from the perforated plate and used for guiding and dispersing the sloshing fluid in the moon pool. The perforated plate is used for dissipating the energy of the dispersed fluid, and the buffer plate is used for dissipating the energy of the fluid passing through the perforated plate. The energy dissipation device can effectively dissipate the energy generated by the fluid sloshing in the moon pool, suppresses the amplitude and impact force of the fluid sloshing, reduces the vibration and noise of the equipment, and improves the safety, stability and safety of the equipment.

The invention discloses a floating breakwater based on a wave flow conversion effect. The floating breakwater comprises a plurality of partition boxes, and a wave flow conversion assembly is fixedly arranged between every two adjacent partition boxes; the wave flow conversion assembly comprises transition sections, a circular channel and blades, the two transition sections are arranged at the two ends of the partition box, and the upper surface and the lower surface of each transition section are each provided with a floating structure; a circular channel is formed in the transition section, blades are arranged in the circular channel, and the blades are connected with a generator set arranged on the upper surface of the partition box; the area between the two transition sections serves as a moon pool, and the bottom of the moon pool is communicated with an external fluid domain; by means of the gathering effect of the transition section, waves around the floating breakwater are gathered and enter the moon pool through the blades via the circular channel, the circular channel is used for converting the waves into water flow and achieving wave flow conversion, the water flow in the circular channel drives the blades to rotate, then the generator set is driven, and kinetic energy of the water flow is converted into electric energy. The wave absorbing device can achieve conversion from waves to water flow, and wave absorbing is achieved.

The invention relates to the technical field of submarine cable maintenance ships, and particularly discloses a submarine cable maintenance ship and an operation method thereof.The submarine cable maintenance ship is provided with a cable disc and a submarine cable maintenance device on a deck, the cable disc can selectively store submarine cables or stones, the deck is provided with a moon pool, and the stone throwing device comprises a lifting assembly and a stone throwing assembly; the lifting assembly is detachably installed in the moon pool, the riprap assembly comprises a plurality of riprap pipes connected end to end, the lifting assembly is used for driving the riprap pipes to ascend and descend, and when the cable tray stores the stones, the bucket machine is used for grabbing the stones in the cable tray to the riprap pipes. A cable disc is arranged to selectively store submarine cables or stones, a moon pool is arranged on a deck, a lifting assembly is installed on the moon pool, a stone throwing pipe of a stone throwing assembly is driven to ascend and descend through the lifting assembly, the stones in the cable disc are grabbed to the stone throwing pipe through a bucket machine, the stones are thrown to the seabed through the stone throwing pipe, and therefore the requirements for submarine cable overhauling and stone throwing operation are met; and the riprap precision of the deep operation water depth is improved, and stone waste is reduced.

The invention relates to an umbilical cable terminal, in particular to an underwater installation method for an oversized umbilical cable terminal, which comprises the following steps: S1, carrying out operation preparation for laying the tail end on a deck; s2, a crane hoists the umbilical cable terminal UTA out of a cabin; s3, enabling the umbilical cable terminal UTA to pass through a cone pulley; s4, hanging the umbilical cable terminal UTA in the moon pool; s5, the tail end of the umbilical cable terminal UTA is lowered in place; according to the method, the umbilical cable terminal UTA is transferred out of a cabin by connecting the crane with the bending limiting device out-of-cabin rigging, and then cone pulley passing operation is carried out under the cooperation of the crane and the pull-back winch; and the load is transferred to the winch from the crane, the winch is connected with the hump rigging on the bending limiting device through the sling reserved on the UTA fixing piece, and finally UTA in-place is completed under the cooperation of the crane, the winch and a ship navigation bridge. The whole construction team is coordinated and matched, most work is completed mechanically through the steps, the operation risk is reduced, and operation can be completed efficiently.

The application discloses a kind of deep sea FPSO moon pool fluid resonance damping equipment and method, comprising the following steps: step one, assess the geometric structure of deep sea FPSO moon pool and its fluid dynamics characteristics, the geometric structure includes the size and shape of moon pool, the fluid dynamics characteristics include the flow rate and direction of fluid in a set period, adopt three-dimensional fluid dynamics simulation technique, calculate the resonance frequency of fluid in moon pool based on the geometric structure and fluid dynamics characteristics;Step two, based on the fluid dynamics data sample obtained by evaluation, design the layout and configuration scheme of damping equipment, the damping equipment includes at least three damping units. By accurately evaluating the geometric structure of moon pool and fluid dynamic characteristics, and using suitable damping equipment, the fluid resonance in the moon pool can be effectively reduced, thereby improving the structural stability and safety of FPSO. Reducing resonance phenomenon helps to prevent structural fatigue and prolong the service life of FPSO.

The application relates to the technical field of ocean engineering equipment, and discloses a launching device of an underwater vehicle and a control method thereof. The launching device of the underwater vehicle comprises a first lifting group and a second lifting group. The first lifting group comprises a plurality of first pile legs which are arranged at intervals along a first direction, the first pile legs are slidingly arranged on one side wall of a moon pool along a vertical direction, and the lower ends of the first pile legs are rotationally provided with crosspieces. The second lifting group is arranged at intervals along a second direction with the first lifting group, the second lifting group comprises a plurality of second pile legs which are the same in number as the first pile legs, the second pile legs are arranged at intervals along the first direction, the second pile legs are slidingly arranged on the other side wall of the moon pool along the vertical direction, and the lower ends of the second pile legs are provided with supporting plates. One crosspiece can be lapped on one supporting plate, so that the plurality of crosspieces form a bearing surface capable of bearing the underwater vehicle. The launching device of the underwater vehicle is accurate in positioning, stable in operation, efficient and convenient, and can adapt to complex marine environments.

This application discloses an offshore floating semi-submersible platform and an offshore power generation system. The offshore floating semi-submersible platform provided by this application includes a platform body equipped with wind turbine components and photovoltaic components to achieve wind and solar complementary power generation. A heave assembly is provided below the platform body, which includes at least two different sizes of heave plates and forms at least two moon pool structures, which together constitute a damping coupling system. The differentiated heave plates provide a graded response to broadband waves, and the moon pool structure adds additional mass and radiation damping, thereby continuously consuming wave energy, significantly reducing the platform's heave response, and improving operational stability. The photovoltaic components include fixed photovoltaic panels and telescopic photovoltaic panels. The fixed photovoltaic panels are located on the top surface of the platform body, and the telescopic photovoltaic panels can switch between a retracted state and an extended state, effectively increasing the photovoltaic power generation area and improving power generation efficiency.

The invention discloses a semi-submersible floating fan foundation with moon pool structures, which comprises a plurality of buoys, the center of each buoy is of a hollow moon pool structure, the top of each buoy is provided with a cover plate used for sealing the top of each moon pool structure, and a closed air cabin is formed above the moon pool; the buoys are supported and connected through supporting structures to form a foundation platform. The closed air cabins are formed above the moon pool, and when the buoy swings, air in the air cabin on one side is compressed to generate positive pressure, negative pressure is generated on the other side to generate restoring torque, so that the swinging amplitude of the foundation platform is further reduced through the restoring torque while the moon pool has the characteristics of itself, and meanwhile, the swinging amplitude of the foundation platform is further reduced through the restoring torque. The vibration water column characteristic of the moon pool and the aerodynamic characteristic of the air cabin are combined with the dynamic characteristic of the structure of the semi-submersible fan foundation, so that the inhibition capacity on low-frequency and high-frequency waves is enhanced, the widely applicable stabilization effect is achieved, and the stability of a foundation platform is further improved.

The application provides a bionic groove structure of an elongated moon pool in a ship and a parameter determination method and device thereof, and relates to the technical field of ship and ocean engineering hydrodynamics. The bionic groove structure is uniformly distributed on a front end wall surface of the elongated moon pool and / or a transition area where the front end wall surface of the elongated moon pool is connected to a ship bottom, the elongated moon pool is arranged in a middle part of a ship body, and the elongated moon pool has a front end wall surface, a rear end wall surface, left and right side walls and a bottom opening area. The bionic groove structure is arranged in an extension direction along a flow along a longitudinal direction of the ship, and the bionic groove structure is symmetrically arranged along a transverse direction of the elongated moon pool, and a separation baffle is formed between adjacent bionic groove structures; the bionic groove structure is used for dividing and guiding local flow into a front end area of the elongated moon pool when the ship is sailing; and the scheme provided by the application can effectively suppress wave making in the elongated moon pool, and optimal parameters are determined through the parameter determination method.

The present application relates to a kind of conjoined double moon pool operation system and its using method, the system is set in the middle of ship body, including blowout preventer group crane, blowout preventer group trolley, trolley converter, conjoined double moon pool, conjoined double moon pool is combined together by a small moon pool and a big moon pool, conjoined double moon pool both sides are longitudinally arranged trolley track, blowout preventer group trolley is placed in trolley track, and can be moved along the trolley track longitudinally, conjoined double moon pool tail transversely sets crane track, the blowout preventer group crane is placed in crane track, and can be moved along the crane track transversely.The present application can simultaneously meet the requirements of mud closed circulation drilling operation without marine riser and traditional marine riser drilling operation, realize the laying and recovery of underwater equipment and the suspension of mud return pipeline in two drilling operation modes, the setting of conjoined double moon pool has small waterline opening demand, improves the stability of ship body, and is beneficial to the overall arrangement of main deck.The whole system equipment is simple, and has strong compatibility, reduces investment cost.

According to a first aspect of the disclosure, there is provided a frame assembly for moving well intervention equipment relative to a moon pool in a floating vessel, the frame assembly comprising: a main frame configured to be moveable between a main frame parking position and a main frame operating position; a moveable subframe supported on the main frame for supporting and hanging off the well intervention equipment, said moveable subframe being configured to be moveable relative the main frame, between a subframe parking position and a subframe operating position.

The utility model discloses an unmanned ship moon pool protection device and an unmanned ship, and relates to the technical field of unmanned ship surveying and mapping, and the protection device comprises a measuring equipment fixing plate, a moon pool protection assembly, a moon pool barrel and a butterfly screw; the moon pool protection assembly comprises fixing screws, supporting frameworks, rotating shaft sheaths, rotating shaft cavities, fixing frames and three-proofing cloth, the supporting frameworks and the two ends of openings of the fixing frames are rotationally connected with the rotating shaft cavities, the supporting frameworks are alternately arranged between the two fixing frames in a long-short mode, and the rotating shaft sheaths and the rotating shaft cavities are connected through the fixing screws; the three-proofing cloth is arranged on the outer sides of the supporting frameworks, and diversion trenches are formed between the supporting frameworks. The measuring equipment fixing plate is arranged at the top of the moon pool barrel, screw holes are formed in corresponding points of the fixing frame and the measuring equipment fixing plate, and the moon pool protection assembly is connected with the measuring equipment fixing plate through butterfly screws and the screw holes. The problems that a traditional moon pool protection device is not provided with a flow guide design, the advancing resistance of a ship body is large, and the occupied space is large when the device is not used are solved.

The application discloses a moon pool system of a ship, the ship comprising a ship ballast device, the moon pool system comprising: a moon pool comprising a moon pool ballast device and a guide device; a moon pool bottom cover, the moon pool bottom cover draining water when the moon pool bottom cover is installed through the moon pool ballast device, the moon pool bottom cover comprising: a bottom cover air permeation device, the bottom cover air permeation device controlling water injection of the moon pool bottom cover; a bottom cover ballast device, the bottom cover ballast device controlling water injection of the moon pool bottom cover to adjust the barycentre and the centre of buoyancy position of the moon pool bottom cover; a bottom cover ballast device, the bottom cover ballast device draining water of the moon pool bottom cover after installation through the ship ballast device; a hoisting device, the hoisting device being arranged on a deck of the ship, the hoisting device installing the moon pool bottom cover to the bottom of the moon pool through the guide device. The application also discloses a method for installing a moon pool bottom cover of a moon pool system of a ship.

The invention discloses a water surface-underwater cooperative operation fire-fighting detection unmanned ship system and a fire extinguishing method, and the system comprises an unmanned ship body, an open moon pool located at the gravity center position of the unmanned ship body, an ROV located in the open moon pool, a retractable winch connected with the ROV, and a fire-fighting and fire-extinguishing module and a detection integrated module arranged above the unmanned ship body. A spray pump is arranged at the rear end; according to the unmanned ship system, through the arrangement of the middle moon pool and the portal water cannon, the ROV is protected against direct sea wave impact in the retracting and releasing process, the recoil force of the high-pressure water cannon is balanced, and the stability of the unmanned ship is guaranteed; according to the fire extinguishing method provided by the invention, the ROV and the water monitor cooperatively strike, the ROV locks a fire source and then returns coordinates in real time, the mother ship control system automatically adjusts the water monitor according to the coordinates to carry out precise fire extinguishing, fire-fighting operation is upgraded to fixed-point clearing from previous surface covering, and the fire extinguishing efficiency is greatly improved.

The present disclosure relates to the technical field of mold design, and particularly relates to a moon pool system experimental device. The present disclosure provides a moon pool system experimental device, which comprises a moon pool system cover body, a transducer assembly part and a plurality of guide rail limiting rods, the transducer assembly part comprises an equipment mounting box body and a platform connecting part, the equipment mounting box body is movably connected with the platform connecting part, at least one equipment mounting position and a threading hole are arranged on one side of the equipment mounting box body facing the moon pool system cover body, the moon pool system cover body is connected with the platform connecting part through a plurality of guide rail limiting rods, the guide rail limiting rod has a limiting state and a releasing state, in the limiting state, the guide rail limiting rod limits the equipment mounting box body from being separated from the platform connecting part, and in the releasing state, the equipment mounting box body is free to be separated from the platform connecting part. Through the technical scheme of the present disclosure, the use of a lifting fin system operation for experiment can be avoided, the experimental requirements of low cost and high stability can be realized, and experimental data can be collected.

The utility model relates to the technical field of ship engineering, in particular to an angle-adjustable ship moon pool drag reduction device. Comprising a ship body, a moon pool, a bottom plate, a first hatch, a hydraulic rod, a baffle, a sliding groove, a mounting plate, a servo motor, a screw rod, a sliding block, a sliding groove and the like. The height of the anti-drag plate can be adjusted, the anti-drag plate is arranged at the key position of water flow, and it is ensured that a ship can keep relatively low sailing resistance under various sea conditions.

The invention discloses a suspension device for a BOP trolley, which belongs to the technical field of ocean platform deck equipment and comprises a trolley adapter with openings on two sides, a support plate is arranged at the bottom of the trolley adapter, an adapter central sleeve is arranged in the middle of the trolley adapter, and a pipe string nipple is arranged in the adapter central sleeve in a replaceable manner. The mud recovery pipe string or the casing pipe string can be hung and moved on the deck surface of the moon pool, operation is easy, and reliability is high; one side of the trolley adapter is provided with a [-shaped space for accommodating the subsea pump, and the [-shaped space can be used for storing and transporting the subsea pump or other underwater equipment with the same size; after the walking board is installed on the U-shaped space, the adapter can be used as an operation platform, manual operation in a moon pool deck area can be facilitated, the suspension device is simple in overall structure, easy to operate and suitable for various operation working conditions, the equipment utilization rate of the BOP trolley is improved, and the drilling operation time is saved.

The invention relates to the technical field of coast and offshore engineering, in particular to a double-arc box type floating breakwater with a built-in moon pool. A square moon pool penetrating through the breakwater in the vertical direction is arranged in the breakwater, and the moon pool divides a box body structure into a front floating box and a rear floating box which are symmetrical front and back; the front buoyancy tank is located on the wave head side of the buoyancy tank body, and the rear buoyancy tank is located on the wave back side. A circular-arc-shaped wave gathering plate is arranged on the head wave side of the front buoyancy tank, the wave gathering plate and the front buoyancy tank structure are connected in a nested mode to form an inwards-concave arc-shaped structure in the vertical direction, a plurality of flow guide holes penetrating to the moon pool from the head wave side are formed in the vertical center position of the structure, the flow guide holes are arranged at equal intervals from top to bottom, and the opening diameters of the flow guide holes are the same; an arc-shaped wave guide plate is arranged on the back wave side of the rear buoyancy tank, is in a semi-cylindrical shape and is connected with the back wave side of the rear buoyancy tank in a nested mode to form a concave arc-shaped structure in the horizontal direction.

The drag reduction device comprises a fixing frame and a connecting frame, separation rods are fixedly connected to the inner wall of the connecting frame at equal intervals along a straight line, rotating shafts are rotatably connected to the interior of the connecting frame at equal intervals along the straight line, and separation plates are fixedly connected to the outer sides of the rotating shafts; the invention relates to the technical field of drilling ship moon pool resistance reduction, and the resistance reduction device used in the drilling ship moon pool realizes the function of reducing fluid oscillation in the moon pool by arranging the connecting frame, the separation rod, the transmission mechanism, the separation plate, the swash hole, the adjusting mechanism, the swash frame, the rotating bracket and the swash column, so that the resistance of a ship can be effectively reduced; the transmission mechanism can drive the partition plate to rotate when the connecting frame moves downwards to make contact with the fixed frame, the rotating support can be driven to rotate for use when the partition plate rotates in cooperation with the adjusting mechanism, the partition plate can be driven to automatically rotate and be stored when the connecting frame is separated from the fixed frame, and the size of the device is reduced.

The invention discloses an ROV (remote operated vehicle) vertical launching method which mainly comprises the following steps when an ROV needs to be launched, an ROV armor cable winch lifts the ROV and a TMS into a mushroom head locking structure of a vertical lifting crane, and a mushroom head is locked to the vertical lifting crane; the pulling force of the ROV armor cable winch is slowly released, and the gravity of the ROV and the TMS is gradually transmitted to a lifting crane winch steel wire rope; selecting an ROV armored cable winch constant tension keeping mode; in the process of operating a winch of the lifting crane to lift, the ROV armor cable can be always in a constant-tension follow-up winding and unwinding state; and the lifting crane is operated to lift the ROV and the TMS to the specified height, so that the ship moon pool gate can be smoothly opened. According to the ROV vertical launching method provided by the invention, a vertical launching mode is adopted, the retraction efficiency of the ROV can be effectively improved, the safety of retraction of the ROV at the critical point of the environment can be improved, and the influence of ship rolling on the retraction process of the ROV can be reduced to the greatest extent because the moon pool system is usually located in the middle of the port and the port of the ship.

This invention relates to a dual-mode rocker-plate wave energy generation device and energy harvesting method based on a stepped moon pool. At least one moon pool is set within a square barge carrier. A rectangular step is set at the bottom of the moon pool, and a rocker-plate float is installed inside the cavity, with a rotating shaft passing through the center of the float. Slots perpendicular to the surface of the square barge carrier are respectively opened on two opposite side walls of the moon pool cavity. A piston rod is slidably connected within the slots, with one end of the piston rod rigidly connected to the end of the adjacent rotating shaft via a crank-connecting rod, and the other end connected to a hydraulic transmission power generation system. The rectangular step within the moon pool amplifies the wave response amplitude, causing the heave-roll dual-degree-of-freedom rocker-plate assembly to generate heave and roll motions. The rotating shaft converts the wave energy accumulated in the expanded moon pool into electrical energy through the hydraulic transmission power generation system. This invention achieves an organic unity of wave focusing effect, efficient energy harvesting, wide-frequency response, and structural durability, providing a reliable technical solution for the large-scale application of wave energy power generation technology.

The application discloses a ship with a ROV system, which comprises a ship body and a ROV system, wherein the ROV system comprises a ROV body, a floating ball body and a ROV winding and releasing mechanism; the ship body is provided with an open deck, a ROV storage cabin and a moon pool; the ROV winding and releasing mechanism comprises a floating ball winding platform which is rotatable relative to the inner side wall of the ROV storage cabin, and can switch the floating ball winding platform between a storage position and a deployment position; when the floating ball winding platform is in the deployment position, the floating ball winding platform is parallel to the bottom of the ROV storage cabin and extends in the horizontal direction, and the floating ball winding platform at least partially protrudes from the first hatch; when the floating ball winding platform is in the storage position, the floating ball winding platform is perpendicular to the bottom of the ROV storage cabin, so that the floating ball winding platform is moved to the side outside the first hatch. The application is convenient for storing the ROV body, avoids the ROV body from occupying the space of the open deck, and is beneficial to the winding and releasing of the ROV body.

The application discloses a water body profile observation buoy based on single-anchor mooring, which adopts a single-anchor mooring mechanism, and the main structure of the buoy is in a long circular shape; a profile operation cabin is arranged at one end of the long axis of the long circular main structure, and the profile operation cabin is used for water body profile observation; and the single-anchor mooring mechanism is arranged at the bottom of the other end of the long axis of the long circular main structure. The main structure of the buoy is composed of two half-disc structures which are symmetrically spliced from two ends of a box-shaped structure. The short axis length of the main structure of the buoy is at least 3 m. The profile operation cabin is provided with a moon pool, an instrument package and a winch device. The winch device comprises a winch, a pulley arranged on the top of the profile operation cabin and a cable for hanging the instrument package through the winch and the pulley, and is used for putting the instrument package into the water body to be observed through the moon pool and recovering the instrument package from the water body.

The invention relates to the field of hoisting tools, in particular to a heavy hoisting tool for the tail end of a deepwater seabed hose, which comprises a hoisting part, the hoisting part at least comprises two hoisting rods, and the heavy hoisting tool also comprises: a clamping part, the clamping part is rotatably mounted between the hoisting rods on the two sides, and hoses with different pipe diameters are clamped and fixed through the clamping part; and the auxiliary part is fixedly installed on one side of the clamping part, and the auxiliary part drives a connector fixedly arranged on the hose to rotate. The tail end of the hose is hung to a moon pool, the connector is fixedly installed on the hose, the hose connector is lowered to a designated position, lowering is stopped, the auxiliary rotating device is attached to the connector on the hose, the ROV grabs a handle of the heavy hoisting tool to rotate the hoisting part, and the auxiliary rotating device drives the connector to rotate synchronously. And a limiting device is fixedly mounted on the side wall of the hoisting rod, and the limiting device ensures that the connector is always in a vertical position in the process of lowering the connector to the seabed.

The invention discloses a semi-sinking type multifunctional deepwater equipment moon pool moving trolley system which adopts a semi-sinking type design and is arranged corresponding to a moon pool deck, the moving trolley system comprises a main body structure, a driving unit, a guide walking mechanism, an anti-lifting device and the like, and the main body structure is mainly used for bearing and moving a BOP group; the main body structure is provided with an accommodating space corresponding to the BOP group, and the main body structure is provided with one or more bearing pins corresponding to the accommodating space; the driving unit is arranged on the main body structure and used for driving the main body structure to walk; the guiding walking mechanism is used for guiding the walking direction of the body structure. The anti-lifting device is arranged on the main body structure and can rotate, and the relative position of the anti-lifting device and the moon pool deck is changed through rotation. The moving trolley system is suitable for upgrading and reconstruction projects of the semi-submerged platform, and meets the new BOP moving requirement under the condition that the original space size of the semi-submerged platform is not changed. The semi-sunken multifunctional moon pool moving trolley system for the deepwater equipment has the advantages of practical functions, stable operation and the like.

The invention relates to a ship moon pool cover mounting process which is characterized in that moon pool covers are mounted on the upper side and the lower side of a ship moon pool and comprise an upper moon pool cover located on the upper side of the ship moon pool and a lower moon pool cover located on the lower side of the ship moon pool; the ship moon pool cover mounting process comprises the following steps: mounting an upper moon pool cover, namely mounting an upper moon pool cover accessory, mounting a connecting bolt, positioning a cover and welding a lower base; mounting of a lower moon pool cover: mounting of a lower moon pool cover accessory, mounting of the lower moon pool cover and mounting of a docking block; and carrying out tightness test. According to the ship moon pool cover installation technology, the load requirement of the upper moon pool cover is met, meanwhile, the use amount of steel of the upper moon pool cover can be reduced, the structural style of the upper moon pool cover is simplified, manufacturing, assembling and disassembling of the upper moon pool cover are facilitated, the lower moon pool can meet the water pressure requirement of 10 meters, and the ship moon pool cover installation technology is suitable for large-scale popularization and application. And the lower moon pool cover can be lifted from the moon pool cabin to a ship deck by using a crane on a ship.

The application provides a moon pool with air bag deployment and a ship, which comprises an air bag storage device, a bottom cover, a top cover, a deployment winch, an equipment winch and a deployment tank. The air bag storage device is arranged at a corner of the moon pool, and the air bag can be opened or stored according to requirements; the deployment tank is a watertight storage device for accommodating deployed equipment; the deployment tank is connected to the deployment winch through a deployment cable, and the equipment is connected to the equipment winch through an equipment cable and a guide wheel; when the equipment is deployed, the deployment tank extrudes the air bag into or out of the area where the air bag is located through gravity; when the deployment tank is recovered, the deployment tank extrudes the air bag into or out of the area where the air bag is located under the pulling force of the deployment winch. The technical scheme of the application can play the effect of wave absorption and equipment protection through the air bag, and realize safe deployment and recovery of the moon pool system equipment.

The application discloses a deep-sea drilling blowout preventer transport vehicle, which is characterized by the following technical scheme: a group of main oil cylinders are connected between an outer frame and a lifting platform, the main oil cylinders are selected to have a multi-stage telescopic structure; the outer frame is composed of a rear frame and two side beams, and the outer frame as a whole has an "n" shape when viewed from above; a group of walking rollers are respectively arranged at four supporting legs of the outer frame, and each walking roller is sleeved in a moon pool track; each side beam is further provided with a driving assembly, and each driving assembly is arranged outside the side beam; two groups of locking pins are horizontally arranged on the upper part of the rear frame; a pair of outer frame guide rails are fixedly arranged on the top surface of each side beam of the outer frame; a pair of guide grooves are arranged on the inner surface of the rear frame in the vertical direction; and sleeves are arranged on the rear frame. The device has the advantages of stable operation, simple operation, no occupation of platform deck space, low gravity center and favorable overall layout of the platform.