13 results about "Deep diving" patented technology

The embodiment of the invention discloses a transformation method for transforming an existing shield working well, which comprises the following steps: evaluating the shield working well, and determining transformation conditions met by the shield working well, the transformation conditions comprising a first transformation condition, a second transformation condition and a third transformation condition; under the condition that the shield working well meets the first transformation condition, the shield working well is transformed into an underground mechanical garage; under the condition that the shield working well meets the second transformation condition, the shield working well is transformed into an underground recreation and sports activity space; and under the condition that the shield working well meets the third transformation condition, the shield working well is transformed into the deep diving base. The shield working well is transformed through the method, so that the shield working well can be reutilized, the policy orientation of layered development of underground space is responded, the green development concept of resource saving and cyclic utilization is met, and secondary resource consumption caused by repeated construction of similar underground space is avoided.

The invention belongs to the technical field of titanium alloy component design and processing, and particularly relates to a high-toughness impact-resistant titanium alloy and a preparation method thereof. The high-toughness impact-resistant titanium alloy is prepared from the following elements in percentage by mass: 3.9%-4.8% of Al, 3.7%-4.6% of Mo, 2.0%-2.8% of V, 3.2%-4.3% of Nb and the balance of Ti and inevitable impurity elements, and the total percentage is 100%. According to the high-strength and high-toughness impact-resistant titanium alloy and the preparation method thereof, alloy components are optimized, beta-crossing forging and strengthening and toughening heat treatment are combined, the structure form of a basket is regulated, and an alpha phase and a beta phase are subjected to coordinated deformation, so that the high-strength and high-toughness impact-resistant titanium alloy with excellent strength, fracture toughness and impact performance is obtained, and the strength and toughness matching of the high-strength and high-toughness impact-resistant titanium alloy is superior to those of existing alloys such as TC4, TC4-ELI and Ti-80; the method has a wide application prospect in the fields of deep diving equipment, aerospace and the like.

The invention relates to a composite material water ballast tank and a manufacturing method thereof, the composite material water ballast tank is suitable for a deep diving lifeboat, the composite material is adopted to form the water ballast tank, the water ballast tank adopts a built-in framework and a secondary forming shell, and the composite material has remarkable advantages in the aspect of complex shape forming compared with a metal material. The appearance of the device can fit the structural design of the outer side of a pressure-resistant shell of the deep diving lifeboat, and the utilization rate of outboard space of the deep diving lifeboat is increased. The method for preparing the water ballast tank adopts a two-time forming process, so that the overall strength of the water ballast tank is improved. According to the ballast water tank, the problem that reinforcing ribs in a small metal ballast water tank are difficult to weld is solved, and the maintenance amount in the later use process is small.

The utility model discloses an autonomous diving typhoon-preventing disaster-avoiding truss type net cage, which relates to the technical field of mariculture and comprises a plurality of main supporting columns and a culture net cage, a plurality of ballast tanks are arranged inside the plurality of main supporting columns from top to bottom, the plurality of main supporting columns are connected through netting to form the culture net cage, and the netting comprises a side net, a cover net and a bottom net. The side net is fixedly connected with the main supporting column, the cover net is fixedly connected to the upper portion of the side net, and the bottom net is fixedly connected to the lower portion of the side net. Wherein at least one ballast tank is higher than the aquaculture net cage, and the submergence depth of the aquaculture net cage is adjusted by adjusting the ballast water amount of the plurality of ballast tanks. According to the utility model, the dive of typhoons on the sea can be avoided through deep diving, so that the survival rate of cultured products is improved.

The application provides a composite tendon tension leg floating breakwater. The technical problem of poor stability and easy overturning of the existing floating breakwater under extreme weather such as strong wind and large wave is solved. The composite tendon tension leg floating breakwater comprises an elevated platform, a deep diving float and a gravity anchor arranged in sequence from top to bottom; the elevated platform and the deep diving float respectively comprise a plurality of platform plates and a plurality of float segments which are sequentially spliced along a preset path of the breakwater, the gravity anchor comprises a plurality of anchor blocks which are respectively and alternately arranged on both sides of the elevated platform, and the two sides of the platform plate are connected with the anchor blocks on both sides through first tension tendons. The elevated platform is provided with a plurality of net grating plates for wave prevention on at least one side. The elevated platform is tensioned through the tension tendons symmetrically arranged on both sides, and the stability of the floating breakwater is high and the floating breakwater is not easy to overturn.

The application relates to the technical field of waste well reconstruction engineering, and provides a method and structure for reconstructing a deep diving space based on a tunnel temporary working well, the method for reconstructing the deep diving space based on the tunnel temporary working well comprising the following steps: building a bottom plate at the bottom of an existing tunnel temporary working well, and blocking a translation channel between the tunnel temporary working well and a main line tunnel; dividing the tunnel temporary working well into an underground medium diving area and an underground deep diving area along the depth direction of the tunnel temporary working well; building a main body structure side wall in the underground medium diving area; building a cylindrical lining in the underground deep diving area, and backfilling and reinforcing outside the cylindrical lining; brushing cement-based permeable crystalline paint on the outer surfaces of the main body structure side wall and the cylindrical lining, and arranging a water stop strip at the junction between the underground medium diving area and the underground deep diving area; building a support and a wall on the ground of the tunnel temporary working well, and enclosing an aboveground shallow water area by using the support and the wall. Through structure conversion and function partition, the reconstruction from the abandoned working well to the multifunctional deep diving space is realized.

The invention relates to a seabed pumped storage system and a working method and a maintenance method thereof. The system comprises an energy storage shell, a low-pressure cavity is formed after seawater is pumped out of the shell, and gravitational potential energy is stored through the difference between external deep sea hydrostatic pressure and internal low pressure; the energy storage sleeve is detachably connected with the energy storage shell in a sealed mode through a flange. A breather pipe and a water conveying pipeline are integrated in the energy storage sleeve. The deepwater ball valve, the reversible water pump / water turbine and the coaxial motor / generator are sequentially arranged from top to bottom in the axial direction of the water conveying pipeline. Under the energy storage working condition, the unit in the energy storage sleeve discharges seawater in the shell to deep sea, and energy storage is completed; under the energy release working condition, high-pressure seawater flows back to drive the water turbine to generate electricity. When the system is maintained, a sea surface work ship vertically pulls the whole set of cylinder to a deck through a hoisting system, core component maintenance or whole replacement is completed in a normal pressure environment and then reinstallation is performed, and deep diving operation is not needed. In-situ large-scale energy storage of the deep and far sea renewable power supply is realized, and the operation and maintenance cost and risk are remarkably reduced.

The application provides an optical microcavity FPGA miniaturized narrow linewidth laser optical multimodal locking system, wherein components in the system are connected through FPGA logic, and the system comprises the following components: a first high-speed digital-to-analog converter, an electro-optical modulator, a WGM optical microcavity, a photodiode, an analog-to-digital converter, a PID servo module, a second high-speed digital-to-analog converter and a channel control end. The components are used to process a modulation signal, and finally output a corresponding analog signal in combination with a local oscillator signal. Finally, the analog signal is used for feedback to automatically adjust the frequency and phase of the laser and the optical characteristics of the WGM optical microcavity. Through the application, the defects of the prior art, such as poor anti-interference ability of a single-mode system and an analog system, inability to achieve optimal locking effect, realization of stable control of the system and inability to be configured online, are overcome, and the application in the narrow linewidth laser system in unmanned narrow linewidth laser systems such as deep space, deep diving and deep earth is limited.

The invention discloses a method for avoiding operation interference between a deep diving hydraulic machine and an oil cylinder hinged support. The method comprises the following steps that the swing area of the center line of an oil cylinder during full-stroke operation of the deep diving hydraulic machine is determined according to the operation track of the center of a connecting lifting point of the deep diving hydraulic machine and a movable valve clack; the deep diving hydraulic machine is arranged and lofted according to the limiting position of the swing area of the center line of the oil cylinder; an oil cylinder hinged support structure meeting the requirement for a center line swing area of an oil cylinder of the deep diving hydraulic machine and layout setting-out is arranged. According to the method, operation interference between the deep diving hydraulic machine and the oil cylinder hinged support can be avoided, the operation reliability of the stepless layered water intake gate device is effectively improved, and the environment-friendly effect of layered water intake is guaranteed.

1. Name of the designed product: fishing lure (deep diving minnow) 2. Use of the designed product: fishing tackle for fishing 3. Design points of the designed product: in shape 4. Picture or photo best indicating the design points: perspective view

The utility model relates to the technical field of hydraulic devices, in particular to a power unit and oil cylinder connecting structure for a deep submersible oil pump oil cylinder integrated type hydraulic machine, which comprises two groups of connecting components and a pipe body, the connecting assemblies are arranged on the corresponding sides of a rodless cavity and a rod cavity of the oil cylinder correspondingly and used for connecting the oil cylinder and the power unit. Each connecting assembly is provided with an oil way channel and a line channel which are independent of each other, one end of the oil way channel is communicated with an oil way in the power unit, and the other end of the oil way channel is communicated with a rodless cavity or a rod cavity of the oil cylinder through an oil passing opening in the oil cylinder. The line channels are used for containing lines from a power unit and / or an oil cylinder, the pipe body is hollow, and the two ends of the pipe body are in butt joint with ports or the middle of the line channels on the two sides respectively. The integration degree is greatly improved through the two connecting assemblies and the two pipe bodies, meanwhile, independent arrangement space is provided for the oil way channel and the line channel, the leakage risk is reduced, the sealing performance and the working stability of the system are improved, and overhauling and maintaining are convenient.

The application provides a simulation method and system for deep water explosion impact resistance of a large-depth underwater vehicle, and the method comprises the following steps: obtaining underwater vehicle external geometric data and target structure region, and obtaining structure material parameters; calculating a deep diving static water pressure, an equivalent static pressure distribution of the target structure region, and establishing a prototype simulation model and a scale-down test model; performing a test to obtain simulated structure surface pressure, simulated structure strain time curve, simulated bubble motion trajectory and scale-down strain data; based on the above data, constructing a static water pressure term, an impact wave and a bubble pulsation pressure time term, and superimposing and constructing a joint load simulation model, and then obtaining an error, and if the condition is met, the simulation is completed. The simulation method for deep water explosion impact resistance of the large-depth underwater vehicle can dynamically couple high static water pressure, underwater explosion shock wave and bubble pulsation, so as to realize precise simulation of the deep water explosion impact load resistance of the large-depth underwater vehicle structure.

This utility model discloses a stern shaft sealing structure for underwater submersion, including a stern shaft rotatably supported within a stern tube. An external sealing device is provided at the extended end of the stern tube, comprising a sealing sleeve fixedly connected to the stern shaft and a stern shaft sealing seat mounted on the stern tube. An oil sealing ring and a lip-type water sealing ring are respectively installed on the inner and outer sides of the stern shaft sealing seat. A sealing ring support ring is movably disposed inside the water sealing ring, with one side of the support ring fitting against the back side of the water sealing ring and the other side connected to a support ring piston. The support ring piston is sealed within an annular piston cavity on the stern shaft sealing seat, and the inner cavity of the annular piston cavity communicates with the outside of the stern shaft sealing seat. The underwater stern shaft sealing structure of this utility model can support the elastic sealing body of the stern shaft lip-type sealing ring to prevent the sealing lip from overturning and deforming during deep diving. Furthermore, the strength of its supporting effect varies with the diving depth, maintaining a good sealing effect.