206results about How to "Improve seakeeping" patented technology

The invention discloses an annular lower floating body semi-submersible platform. The annular lower floating body semi-submersible platform is provided with a lower floating body (1) and an upper ship body (2) which are connected through stand columns (3), wherein the lower floating body (1) is a regular hexagonal annular column body; the stand columns (3) are pentagonal column bodies and are uniformly distributed on the six corners of the lower floating body (1); the upper ship body (2) is a hexagonal frustum with a flare; and a moon pool (9) is arranged in the center of a box-type deck (8) of the upper ship body (2). The annular lower floating body semi-submersible platform is excellent in motion performance, has the characteristic of unconditional stability, is wide in application range of operation water depth, good in overall structure strength, light in weight, low in manufacturing cost and low in operation energy consumption, and can be applied to deepwater oil and gas exploitation under harsh marine environment conditions.

The invention discloses a floating fan base with flare type tension legs, a marine wind-driven generator and a construction method. The floating fan base comprises a top supporting platform, a bottom supporting structure, at least three hollow stand columns and a ballast regulating system, wherein the top supporting platform is used for supporting a pylon, blades and a wind-driven generator set; the bottom supporting structure is connected with multiple tension legs; the top supporting platform is connected with the bottom supporting structure via the hollow stand columns, the hollow stand columns are arranged around the vertical center line of the floating fan base, and each stand column inclines outwards from a lower end to an upper end relative to the vertical center line of the floating fan base; the ballast regulating system is arranged in the stand columns and/or the bottom supporting structure. The marine wind-driven generator of the base with the structure has excellent movement performance, integral wet towing can be performed, and the floating fan base and the marine wind-driven generator are convenient to manufacture, assemble and mount.

The invention provides a semi-submersible unmanned vehicle submarine three-dimensional terrain detection device and method. The device comprises a semi-submersible unmanned vehicle composed of a floating body and a main hull, wherein an antenna is installed above the floating body, a multi-beam sonar terrain detection system, an attitude sensor, a sound velocity profiler, an inertial navigation system, a main control computer and a battery are installed on the main hull, and the multi-beam sonar terrain detection system comprises a processing extension, a transmitter, a receiver, a transmittedsound array, a received sound array and a sonar host. According to the device, task planning and scanning are performed through the semi-submersible unmanned vehicle carrying the multi-beam sonar terrain detection system, a water depth value is obtained through calculation according to back-and-forth time of sound waves, the angle of arrival of a beam and data obtained after time synchronous correction is performed by use of 1PPS, and a submarine three-dimensional terrain map is generated. The device has the advantages that a wave region is avoided, communication and positioning are not limited, the self-stability and invisibility are excellent, the measurement range is wide, measurement speed is high, and measurement efficiency is high.

The invention provides a high-speed catamaran which comprises two sheet bodies arranged in parallel and a main cabin connected onto the tops of the sheet bodies. The high-speed catamaran further comprises two bulbnoses, an air suction device and a plurality of micro-bubble generating devices, wherein the two bulbnoses are connected to the bottom of the main cabin through struts and are vertically arranged on a bow and a stern of the catamaran, the air suction device is mounted on the top of the main cabin and is communicated with air pipes arranged inside the high-speed catamaran in a built-in mode, and the plurality of micro-bubble generating devices are arranged on the surfaces of the bulbnoses and the sheet bodies and is communicated with the air pipes. Hydrofoils are symmetrically arranged on both sides of each of the bulbnoses. The seakeeping performance of the catamaran is enhanced by arranging the bulbnoses with the hydrofoils on the bow and the stern to reduce wave-making resistance. The micro-bubble generating devices arranged at the bottom of the catamaran can generate thin bubble films at the bottom of the catamaran to reduce the frictional resistance of the catamaran. The air suction device arranged on the top of the cabin and air suction rotors can further improve the air suction efficiency of the air suction device, enhance the resistance reduction effect of the micro-bubble generating devices, and greatly reduce the energy consumption for generating micro bubbles.

The invention discloses a small multifunctional solar twin-hull unmanned ship. The small multifunctional solar twin-hull unmanned ship comprises an unmanned ship body, and the unmanned ship body comprises a pair of sheet bodies used for making the unmanned ship float on the water surface, a pair of connecting bridges, a backing plate, a main hull, an electric system, a propelling system and a control system. The connecting bridges are erected between the pair of sheet bodies, the backing plate is arranged between the pair of connecting bridges, and the backing plate and the pair of connecting bridges form a vertical structure. The main hull is arranged on the lower surface of the backing plate, and the electric system, the propelling system and the control system are arranged on the unmanned ship body. Corresponding ocean environment monitoring tasks can be completed, collected data can be transmitted back in time, and high efficiency, environmental friendliness and intelligence are integrated.

The invention discloses a high-performance small-waterline-area twin-body intelligent measurement ship. A ship body of the ship comprises a submerging body and a case. A power unit and a direction control unit are arranged on the submerging body, a remote control unit and a measuring unit are arranged on the case, and a solar cell panel is arranged on the upper surface of the casing. The submerging body is formed by two parallel and symmetric torpedo submersible diving chambers. Each submersible diving chamber comprises three watertight battery compartments. Storage batteries are arranged in the three battery compartments and are connected through wires. The storage batteries are connected with the solar cell panel, the power unit, the remote control unit and the measuring unit through wires respectively. By means of the measurement ship, new energy is fully used during measurement ship navigation and stored, and accordingly, the endurance of the ship and the intelligent equipment normal operation are guaranteed, and the survey is efficient, energy saving and environmentally friendly.

The invention discloses a basic module of an extra-large marine floating structure. The basic module is composed of a lower-portion floating body structure, an upper-portion structure and middle connecting structures. The lower-portion floating body structure comprises multiple dispersedly arranged floating bodies and is wholly in an extra-large water plane area form, the sum of the water discharging areas of the floating bodies is greater than the equivalent-quantity water volume of the whole weight of the floating structure, the upper-portion structure is a frame structure or a box body structure, the middle connecting structures are dispersedly arranged in space, and the lower-portion floating body structure is connected with the upper-portion structure through the middle connecting structures to form a hyperstatic combined space structure. Two basic modules can form the kilometer-level extra-large marine floating structure through one-time splicing. The basic module has very strong wave exciting load resistance and load change capability, has very strong sway-resistant stabilizing rigidity and can remarkably decrease relative motion during basic module splicing and connector load after splicing.

The invention provides a hexagonal semi-submersible type tidal current energy and wind energy power generation platform which comprises a hexagonal platform structure and a main floating body. The hexagonal platform structure comprises a hexagonal frame. The six vertexes of the hexagonal frame sequentially comprise a first vertex, a second vertex, a third vertex, a fourth vertex, a fifth vertex and a sixth vertex in an anticlockwise mode. A first box beam, a second box beam and a third box beam are mounted between the six vertexes. A first variable cross-section floating barrel, a second variable cross-section floating barrel, a third variable cross-section floating barrel, a fourth variable cross-section floating barrel, a fifth variable cross-section floating barrel and a sixth variable cross-section floating barrel are mounted below the six vertexes respectively. The main floating body is arranged between the first variable cross-section floating barrel and the fourth variable cross-section floating barrel, a first stand column is arranged between the junction of the first box beam and the second box beam and the main floating body, and a second stand column is arranged between the junction of the first box beam and the third box beam and the main floating body. A first water turbine lifting device, a second water turbine lifting device and a third water turbine lifting device are mounted between the first box beam and the main floating body. According to the hexagonal semi-submersible type tidal current energy and wind energy power generation platform, the excellent stability can be guaranteed, and the sea keeping performance is greatly improved; in addition, water ballast spaces are arranged in the six floating barrels and can be used for adjusting the water volume inside so that the floating state of the platform can be guaranteed.

The invention discloses an offshore-floating-type wind power generation and fishing net cage culture mixed-type platform, and relates to the field of wind energy utilization. The offshore-floating-type wind power generation and fishing net cage culture mixed-type platform is in a regular pentagon layout and comprises fans, a central vertical column, vertex vertical columns, a buoyancy compartment,fixed fishing nets, retractable fishing nets, a control chamber and supporting rods; each vertex vertical column is arranged at the corresponding vertex of a regular pentagon, the central vertical column and the buoyancy compartment are arranged at the central point of the regular pentagon, and the buoyancy compartment is directly connected to the lower part of the central vertical column; everytwo adjacent vertex vertical columns are connected through the corresponding supporting rods, and the vertex vertical columns and a central buoy are connected through the supporting rods; the controlchamber is located on the upper part of the central vertical column; the i vertex vertical column serves as a mooring vertical column, and the two fans are arranged on the upper parts of the (i-1) vertex vertical column and the (i+1) vertex vertical column, wherein i is larger than 1 and smaller than 5; and the fixed fishing nets are arranged at the periphery and the bottom of the platform, and the retractable fishing nets are arranged between the central buoy and the vertex vertical columns. The stability of floating-type wind power generation and fishing culture fusion is improved.

The invention relates to a submerged body retractable type small water area amphibious ship. The ship comprises a ship body. A power system, a rudder and a backing rudder are installed on a deck of the ship body. Wheels are installed at the portion, below the backing rudder, of the ship body; the two lower sides of the ship body are provided with submerged bodies through submerged body supportingcolumns, the ship body and the submerged body supporting columns are connected through a retractable supporting rod system, and due to the retracting state and the unfolding state of the retractable supporting rod system, by combining the ship body and the submerged bodies, conversion between the amphibious ship type and the small water area amphibious ship type is achieved. The ship is compact and reasonable in structure, and convenient to operate; due to the effect of the retractable supporting rod system, conversion between the amphibious ship type and the small water area amphibious ship type can be achieved conveniently; the requirement for various types of shallow region navigations can be met, and the certain anti-wind-wave requirement in sea can be met.

The invention discloses an anti-splash single-hull planing boat which comprises a boat body, a propelling device and a composite stabilizing wing, wherein the composite stabilizing wing is arranged at the bottom of a stem; the composite stabilizing wing comprises a vertical stabilizing wing and a horizontal stabilizing wing; downwardly inclined longitudinal anti-splash bodies are symmetrically arranged on two sides of the boat body from the front bilge part of a boat middle part to a stem bilge part; the widths of the longitudinal anti-splash bodies are gradually narrowed from the front part of the boat middle part to the stem; the head part of the boat body is gradually transitional from a shallow V-shaped cross section with an acute angle between the two side surfaces to the shallow V-shaped cross section with an obtuse angle between two side surfaces of the front part of the boat middle part; and the front part of the boat middle part is gradually transitional from a shallow V-shaped cross section with an obtuse angle between two side surfaces to a horizontal cross section, on which V-shaped edge strips extend downwards from two sides of the bottom of the stem, or an inverted shallow V-shaped cross section with an obtuse angle between two side surfaces. According to the invention, the splashing of lateral water flow of the sliding surface of the boat body can be effectively prevented, so that the rapidness, transverse stability, longitudinal stability, directional stability, seakeeping quality and so on are greatly improved, convenience for mounting propellers with larger diameters is achieved, and the propelling efficiency is increased.

The invention discloses a base plate-free concrete floating platform capable of realizing one-time pouring molding and modularized splicing. The base plate-free concrete floating platform comprises a box-shaped structure and a base plate-free floating platform main body, wherein the floating platform main body comprises flat lateral plates, bulged lateral plates, a top plate and inner separating plates; the lateral plates on the two sides along the longitudinal direction are arranged as the bulged lateral plates; the lateral plates on the two sides along the width direction are arranged as the flat lateral plates; the inner separating plates are arranged in the floating platform main body, so that the inner chamber of the floating platform main body is divided into a plurality of segmented spaces; floaters are filled in the segmented spaces; the structure of the base plate-free floating platform can be poured and molded at one time, the manufacturing process is simplified and the manufacturing difficulty is lowered; the structure is high in continuity and high in strength; the structure is seamless and water is difficult to permeate the structure; the base plate-free floating platform can be spliced in a modularized way and can be assembled into a longer floating bridge or larger platform; a flexible connecting rod is adopted for connecting, so that the relative fluctuation between the floating platforms is allowed, the base plate-free concrete floating platform is adaptive to the wave environment and the wave resistance is high; an embedded threaded sleeve on the top plate of the floating platform can be used for hoisting the floating platform and also can be applied to fixing the accessory structures, such as a mooring bitt in the use process of the floating platform.

The invention discloses a hybrid floating platform of offshore wind power generation and fishery net cage cultivation, and relates to the field of wind power utilization. The platform is a regular n-sided shape, wherein the n is an odd number. The platform comprises draught fans, a center stand column, peak stand columns, a floating cabin, a fixed fishing net, a retractable fishing net, a controlchamber and supporting rods. The peak stand columns are respectively arranged at each peak of the regular n-sided shape. The center stand column and the floating cabin are arranged at the center point. The floating cabin is directly connected below the center stand column to form a center float. The supporting rods are connected between the peak stand column and between the peak stand column and the center float. The control chamber is arranged above the center stand column. The connecting between one peak stand column and the center stand column is used as the symmetric axis, and the m draught fans are symmetrically arranged above other peak stand columns, wherein the m is no more than n-1, and m is an even number. The fixed fishing net is fixed to the circumference and the bottom of theplatform. The retractable fishing net is arranged between the center float and the peak stand columns. Stability of fusion of floating wind power generation and fishery cultivation is improved.

The invention aims to provide a joint automatic control device for inner flaps/outer flaps of a hydrofoil catamaran. The joint automatic control device comprises a catamaran. Two sheets are respectively mounted at the left end and the right end of the lower side of the catamaran, a front hydrofoil is mounted at the front ends of the lower sides of the two sheets, a rear hydrofoil is mounted at the rear ends of the lower sides of the two sheets, a first outer flap, a second outer flap, a first inner flap and a second inner flap are respectively mounted at the rear end of the front hydrofoil by the aid of a first connecting shaft, a third outer flap, a fourth outer flap, a third inner flap and a fourth inner flap are respectively mounted at the rear end of the rear hydrofoil by the aid of a second connecting shaft, and the first outer flap, the second outer flap, the third outer flap, the fourth outer flap, the first inner flap, the second inner flap, the third inner flap and the fourth inner flap are respectively connected with respective servo motors. The joint automatic control device has the advantages that the joint automatic control device is simple in structure and reasonable in design, multifunctional and multi-objective cooperative control is implemented, and the safety, the seaworthiness and the maneuverability of the hydrofoil catamaran are improved; the front hydrofoil and the rear hydrofoil are respectively connected with the two sheets of the hydrofoil catamaran, so that the mechanical structural strength is improved.

The invention relates to an anti-corrosion mobile floating island. The anti-corrosion mobile floating island comprises a working platform, a plurality of first buoys, a plurality of second buoys and a connecting component, wherein the connecting component is used for fixedly connecting the working platform, the plurality of the first buoys and the plurality of the second buoys; the connecting component comprises a plurality of first connecting units; and each first connecting unit comprises a first connecting column and a second connecting column, wherein two ends of the first connecting column are fixedly connected with the working platform and the side surface of one first buoy, respectively; the radial section of the first connecting column is elliptical; elliptical semi-major axis where the first connecting column is placed is vertical to the axial direction of the first buoy; two ends of the second connecting column are fixedly connected with the side surface of one first buoy and the side surface of one second buoy, respectively; the radial section of the second connecting column is elliptical; the elliptical semi-major axis where the second connecting column is placed is vertical to the axial direction of the first buoy; and the axial direction of the second connecting column of each first connecting unit is coincided with the axial direction of the first connecting column. The anti-corrosion mobile floating island provided by the invention has the advantage of good seakeeping capability.