13 results about "Sea bottom" patented technology

The utility model belongs to the field of submarine cable protection pipe, especially relates to a submarine cable pipeline steady flow protection pipe, including protection pipe body, the circumference of protection pipe body is provided with several steady flow fins extending along the length direction, steady flow fin is set out of the way, makes it convenient for embedding the sea bottom, the utility model provides a kind of submarine cable pipeline steady flow protection pipe, sets up steady flow fin, it is convenient for embedding the sea bottom, can increase the stability of whole, reduce the influence of receiving sea bottom turbulent flow;Protection pipe body is thermoplastic elastomer material protection pipe body moulding integrated, and unit arc body is movably connected between, unit arc body is set on submarine cable by being pried apart to two sides and being fixed through fixing piece, and installation can be completed, it is convenient to install.

The utility model discloses a high protective light diving suit, including diving suit coat and diving trousers, the lower extreme fixed connection of diving suit coat has diving trousers, the outer wall positioning of diving trousers installs the knee protection mechanism. The utility model discloses a high protective light diving suit, the knee protection mechanism of setting can strengthen the protection effect of diving suit coat knee, when diving, the knee can contact hard material, coral, rock and the like, and the knee protection mechanism can effectively prevent the knee from being injured, in some diving activities, such as cave diving or wreck exploration, the knee protection mechanism can provide additional security, prevent the knee from being injured in narrow space, in some diving activities that need walking on the sea bottom, the knee protection mechanism can provide better protection, adapt to different seabed topography, can effectively absorb the impact force, protect the knee.

The embodiment of the application provides a water taking system, which comprises a water taking open channel, a protection dike and a plurality of water taking units arranged in the water taking open channel; the water taking open channel and the protection dike are arranged on the sea bottom surface and are higher than the sea level, and the water taking open channel extends from the land to the sea area; the water taking open channel comprises a first inlet which is arranged away from the land and perpendicular to the sea level, the protection dike is arranged outside the first inlet, the protection dike and the first surface of the water taking open channel form a second inlet, the protection dike and the second surface of the water taking open channel form a third inlet, and the first surface of the water taking open channel and the second surface of the water taking open channel are two opposite surfaces of the water taking open channel; any water taking unit of the plurality of water taking units comprises a water inlet and a water outlet, the water inlet is connected with the first inlet in communication through a first pipeline, and the water outlet is connected with a water source equipment to be input in communication through a second pipeline. By arranging the water taking system, the quality of the water source can be improved.

The utility model discloses a kind of marine radioactive buoy data monitors, including main buoy, monitoring equipment, main cable II, anchor chain, auxiliary buoy, elastic connecting assembly;Main buoy bottom is equipped with main cable I, and main cable I top end and middle segment are vertically distributed as monitoring section, and monitoring equipment is connected in main cable I middle segment, and main cable I end is connected with the top end of main cable II through elastic connecting assembly, and the end of main cable II is connected with anchor chain through elastic connecting assembly, and anchor chain end is equipped with anchor, auxiliary buoy is located in main buoy side, auxiliary buoy bottom is equipped with auxiliary cable, and auxiliary cable end is connected with the top end of main cable II through elastic connecting assembly, and auxiliary buoy is equipped with winding mechanism, and auxiliary cable top end is connected on winding mechanism.The utility model greatly improves the impact capacity of device whole sea bottom undercurrent and wind and wave resistance, reduces the risk of cable break.

The utility model belongs to the submarine cable laying technical field, concretely relates to a submarine cable fixing structure for submarine cable laying, including hollow bracket, be provided with the semicircular groove of making submarine cable place on hollow bracket, the multiple through -holes of semicircular groove inner wall are opened, every through -hole inside all is provided with moving assembly, is provided with first sector plate and arc fixed plate on moving assembly, hollow bracket inside is provided with rotating shaft, rotating shaft one end penetrates out hollow bracket and is installed with ocean current push vane, and rotating shaft is fixedly provided with multiple second sector plate and multiple first bevel gear, hollow bracket bottom is opened with multiple mounting hole, is provided with hollow inserting rod in mounting hole inside, is opened with rotating hole on hollow inserting rod, is provided with rotating rod in rotating hole inside. The device can not only provide continuous clamping force, and the clamping effect is good, can increase the anchoring force simultaneously, and the whole device is firmly anchored in the sea bottom, and the ocean current is dragged.

The present application relates to the technical field of deep-sea bottom geoacoustic parameter acquisition, and particularly relates to a one-dimensional inversion optimization method for bottom geoacoustic parameters based on differential weighting multi-path reverberation, which is characterized in that: a transmitting and receiving co-located sonar is laid near the deep-sea bottom to collect the sea surface-bottom interface reverberation signal, and after denoising and filtering, the multi-path reverberation characteristic data is extracted; through sensitivity analysis, the bottom sound velocity and density are determined as the core inversion parameters, and the longitudinal wave absorption coefficient is fixed; a one-to-one correspondence relationship is established by using the bottom sound velocity-density empirical formula, so as to reduce the two-dimensional inversion space to one dimension; a measured and forward reverberation intensity deviation cost function is constructed, the global optimization of the one-dimensional search space is carried out by using the particle swarm algorithm, and the optimal inversion result of the bottom density is output and the sound velocity is derived; the present application fully excavates the cumulative geoacoustic information of the multi-path reverberation, realizes the dual improvement of the inversion accuracy and the engineering efficiency, and is suitable for the rapid and high-precision bottom geoacoustic parameter acquisition under the deep-sea bottom laying scene.

The utility model relates to sea wave fluctuation power generation technical field, and disclose a kind of sea wave fluctuation power generation device, including the power generation mechanism of fixed on the sea bottom upper end, the connecting assembly is set on the power generation mechanism upper end, the float is set on the connecting assembly upper end, and the float floats on sea surface;Power generation mechanism includes shell and power generation assembly, shell is fixedly connected on the sea bottom upper end, shell inside vertical is provided with flow channel, water inlet is all provided with in flow channel inside front and back two sides, and flow channel inside is provided with power generation assembly.The utility model is set by setting float, connecting assembly and the flow channel structure with one-way valve, can effectively utilize the up-and-down movement of sea wave, convert wave energy into stable water flow, and then drive power generation assembly efficient power generation;This not only improves the conversion efficiency of wave energy, also makes power generation device can adapt to different sea conditions, enhances the stability and reliability of equipment, solves the problem of traditional wave energy generator structure complexity, energy conversion efficiency low.

The application discloses a deep-sea mining and smelting system and relates to the technical field of deep-sea mining.The deep-sea mining system comprises a sea floating platform, a lifting riser, a mining vehicle and an energy supply system, the energy supply system is connected with the lifting riser and the mining vehicle through wires, the sea floating platform comprises a floating body, a supporting part and a plurality of damping devices, the supporting part is arranged on the top of the floating body through the damping devices, the supporting part is provided with a smelting device, the smelting device is connected with the mining vehicle through the lifting riser, the mining vehicle collects ores, and the ores and other mixtures are transported into the smelting device of the sea floating platform through the lifting riser, so that the integrated process of ore mining and smelting is realized.The smelting device is arranged on the sea floating platform, the manganese nodules collected by the mining vehicle from the sea bottom surface are smelted, the integrated process of mining and smelting is realized, the manganese nodules are prevented from being transported to the land for smelting treatment, and the production efficiency is improved.

The present invention provides a mooring line for a tension mooring float, which can balance the tension generated in each tension mooring line without adjusting the length of each tension mooring line of each mooring line bundle supporting the tension mooring float, thereby preventing resonance with the wave period on the sea, by connecting a connection portion (5b) formed on the tension mooring float and a sea bottom mooring portion (9) fixed to the sea bottom (103) using a tension mooring line (7), thereby generating tension in the tension mooring line (7) by the buoyancy of the tension mooring float (5), the tension mooring float (5) being configured to be able to be maintained in a tension mooring state, a low-stiffness mooring line (7b) having a tensile stiffness obtained by multiplying the longitudinal modulus of elasticity and the cross-sectional area of the line material of the tension mooring line (7) and a high-stiffness mooring line (7a) having a higher tensile stiffness than the low-stiffness mooring line (7b) being connected via a connection member.

The utility model discloses a ship sea bottom door marine bio -attachment device of preventing, include: main body mechanism and heating mechanism, main body mechanism includes frame body, fixed on the frame body both sides inner wall on the casing, a plurality of array setting and intercommunication opposite casing's hollow baffle, install in the water inlet of frame body one side and install in the water outlet of frame body other side, frame body is used for installing other components, the ear plate is fixed on the both sides of frame body, frame body is installed on the sea bottom door conveniently, the casing is used for installing hollow baffle, and both ends of hollow baffle are communicated with both sides casing inner chamber, and hot water is sent in through one side casing inner chamber, then is sent out through the other side casing inner chamber, when hot water passes through hollow baffle, can heat hollow baffle, improve the temperature of hollow baffle, this ship sea bottom door marine bio -attachment device of preventing, can avoid marine organism to adhere on the sea bottom door grid when the ship navigation and stop.

The application relates to the technical field of semi-submersible ships, and discloses a semi-submersible ship and a use method of the semi-submersible ship. The semi-submersible ship comprises a ship body and a floating box. The ship body has a front end and a rear end, the rear end of the ship body is provided with at least two through grooves, the at least two through grooves are arranged along the length direction of the ship body, the ship body is used for transporting upper blocks and a jacket, and the at least two through grooves are used for allowing at least part of the upper blocks and at least part of the jacket to pass through. The floating box is arranged on the surface of the ship body, the floating box is detachably connected with the ship body, and the bottom of the ship body is provided with an opening to improve the stability of the ship body. The semi-submersible ship bears the deep sea transportation of the jacket and the upper blocks, solves the problem of insufficient bearing capacity of a traditional ship, completes the jacket sea bottom hoisting in cooperation with a floating crane ship, independently realizes the connection of the upper blocks and the jacket, and solves the problem that a single device cannot simultaneously transport and install an overweight structure.

The application discloses a kind of based on sea bottom shield tunnel segment shear stress monitoring device and method of material, monitoring device includes shear stress sensor and shear stress monitoring host, shear stress sensor is encapsulated at the edge of sea bottom shield tunnel segment, shear stress sensor includes fixed plate, pressure plate and the multiple oblique and parallel rib strips connected between fixed plate and pressure plate, multiple rib strips are made of five-mode super material, each strain gauge is respectively arranged on the outer wall of corresponding rib strip and is connected with shear stress monitoring host wireless communication.The shear stress sensor for monitoring segment shear stress is encapsulated at the edge of sea bottom shield tunnel segment, and is made of five-mode super material, greatly improves the life and cycle of monitoring, truly realizes intelligent embedding, signal conversion sensing and distributed real-time monitoring sea bottom shield tunnel segment monitoring process.