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75 results about "Fixed float" patented technology
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In computing, fixed float describes a method of representing real numbers in a way that number and decimal point value is stored at different location or bytes in a memory allocated to variable unlike floating point. In a typical 4 byte (on little endian platform) fixed float number lower(lsb) 2 bytes are used to store the decimal part of the number just like integer value. While upper 2 bytes are used to store the part of number before the decimal point. Floating point numbers are, in general, represented approximately to a fixed number of significant digits and scaled using an exponent. The base for the scaling is normally 2, 10 or 16. The typical number that can be represented exactly is of the form...
Controllable aqueous layer raft type cultivation system
InactiveCN101438684AImprove wind and wave resistanceAdapt to the needs of facility farming to advance to the seaClimate change adaptationPisciculture and aquariaRaft cultureEngineering
A raft culture system capable of controlling a water layer consists of a boom rope, a balance floating ball string, an anchor rope, a fixed floating ball, a water layer regulation floating ball, a depth regulation rope, a balancing weight, a stake anchor and the like. The boom rope is provided with the balance floating ball string and the depth regulation rope; the water layer regulation floating ball is tied to the upper end of the depth regulation rope, and the balancing weight is tied to the lower end of the depth regulation rope; the culture water layer is controlled by controlling the length of the depth regulation rope; submergence of the boom rope is favorable for improving wind and wave resistance of the raft system in stormy weather and adapted to requirements of different cultured objects for the culture water layer. The system has simple machining process, convenient operation, long service life, is favorable for wide popularization and is adapted to the requirements for moving the raft facility culture offshore.
Owner:ZHEJIANG OCEAN UNIV +2
Vector dot product accumulating network supporting reconfigurable fixed floating point and configurable vector length
InactiveCN102520906ASimplify complexityHigh densityComputation using non-contact making devicesParallel computingFloating point
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI
Length-configurable vector maximum/minimum network supporting reconfigurable fixed floating points
ActiveCN102520903AFast executionSimplify programming complexityComparison of digital valuesFloating pointEuclidean vector
The invention discloses a length-configurable vector maximum / minimum network supporting reconfigurable fixed floating points, which comprises a parallel floating point data preprocessing unit, a Mask register, a reconfigurable comparator network and a result selecting unit. The parallel floating point data preprocessing unit is used for analyzing formats of received 512 bit vector data, respectively processing the data according to different data formats, outputting floating point data obtained after processing to the reconfigurable comparator network and outputting various zone bits obtained after processing to the result selecting unit. The Mask register is used for controlling data involved in maximum / minimum. The reconfigurable comparator network is used for inputting the floating point data received from the parallel floating point data preprocessing unit and values received from the Mask register, sequentially comparing the vector data and outputting obtained maximum / minimum results to the result selecting unit. The result selecting unit is used for receiving output of the reconfigurable comparator network and obtaining the final vector maximum / minimum results according to output of the various zone bits received from the parallel floating point data preprocessing unit.
Owner:BEIJING SMART LOGIC TECH CO LTD
Construction method and device for fixing seabed pipeline
InactiveCN1419068AGuarantee long-term safe operationAvoid swingingPipe laying and repairOcean bottomSea waves
The present invention relates to a submerged pipeline fixing contruction method and its equipment. Said method includes the following steps: firstly, prefabricating fixing equipment in plant, transporting it to seaside field and assembling it and fixing pile pipe into one body, shipping and transferring them to place, using floating crane to lift the piling machine, fixing device and fixing pile pipe together and make the fixing pile pipe come into centering guide, and using asdic method to guide the centering guide accurately be in place, using piling machine to drive fixing pile pipe into sea-bed and make fixing equipment be in place and fixing floating part of the pipeline. Said invented equipment includes hydraulic vibration piling machine, pile pipe centering guide, fixing equipment, fixing pile pipe and others.
Owner:中石化石油工程技术服务有限公司
Float valve fixing column plate
A fixed float valve plate, comprising orifice valve and valve block, the valve block is a quadrangle similar to diamond with macro-diagonal line as bilateral symmetry, the separation angle of the long line points to the overflow dam, the length of the valve block long line a is 10-80 mm, the width of the valve block b is 8-60 mm, the width of the valve leg c is 4-20 mm, the length of the valve block d is 15-90 mm, the height of the valve leg h is 3-8 mm, the length of the valve pore I is 15-100 mm, the valve leg connects the valve block with the valve plate. The fixed float valve plate in this invention can push the liquid to the overflow dam to decrease the liquid level drop height, and eliminate the convolution and back-mix-flow effectively, thus increase the valve plate efficiency. The side edge of broken line similar to diamond is longer than that of rectangular straight line and circular arcuate path, which makes the outlet of air passage be larger, and increase the pass amount effectively and the contacting area of the gas-liquid mass transfer, which can not only increase the transferring efficiency but the pore speed of the gas decreases under the same treating amount, thus decreasing the valve plate resistance force.
Owner:NANJING UNIV
Moveable bottom-raft type cultivation system
InactiveCN101438685AImprove wind and wave resistanceFully developedClimate change adaptationPisciculture and aquariaRaft cultureEngineering
A movable bottom raft culture system consists of a main rope, a floating ball string, an anchor rope, a culture cage, balancing weights, an iron anchor, a fixed floating ball and a mark floating ball which are interconnected. One end of the anchor rope is connected with the main rope, and the other end is connected with the iron anchor; the floating ball string is evenly tied to the main rope; two ends of the main rope are respectively provided with a balancing weight; the fixed floating ball and a fixed floating ball connection rope are arranged at proper positions of the anchor rope; the culture cage and the mark floating ball are also tied to the main rope. The system adopts a bottom culture mode, which is favorable for improving wind and wave resistance of the raft culture system in stormy weather and can develop a bottom culture sea area. The system has the advantages of convenient operation, integral movement and long service life, is convenient for wide popularization and is an ideal benthos culture device.
Owner:ZHEJIANG OCEAN UNIV +2
Reconfigurable universal fixed floating-point multiplier
ActiveCN106951211AImprove versatilityImprove computing efficiencyDigital data processing detailsBinary multiplierFloating point multiplication
The invention provides a universal fixed floating-point multiplier, which can realize not only 24-bit fixed-point multiplication operation but also 32-bit single-precision floating-point multiplication operation. According to the multiplier, a fixed-point multiplier is separated from a main body structure, and the 24-bit fixed-point multiplier is reconfigured as a single-precision floating-point multiplier. The 24-bit fixed-point multiplier consists of four 12-bit multipliers, wherein each 12-bit multiplier adopts a BOOTH algorithm, and operation is finished through a contracted structure of multiplication accumulation, so that the multiplication operation efficiency is effectively improved and the operation resource overhead is reduced. The multiplier except the 24-bit fixed-point multiplier does not additionally occupy excessive resources, so that the universality of the multiplier is effectively improved under the condition of ensuring operation precision and data throughput.
Owner:NANJING UNIV
Digitized monitoring method for Chinese sturgeon natural reserve
InactiveCN101564015AImprove reliabilityImprove stabilityClimate change adaptationPisciculture and aquariaAquatic animalWater quality
The invention discloses a digitized monitoring method for a Chinese sturgeon natural reserve, belonging to an aquatic animal monitoring method which aims to solve the problems of data storage marks, underwater base station receiving and wireless transmission. The method has the technical scheme that acoustic marks, wireless marks and integrated passive repeater marks are adopted to singly mark or multiply mark young Chinese sturgeons. The method is characterized in that the center of the reserve is used as a base point; fixed float bowls are arranged every 7km in the north-south direction, and each float bowl is provided with a sonar signal receiving device; the signal receiving in the north-south direction covers a water area of about 60km wide; the sonar receiving device is used for receiving, and data signals are amplified and transmitted to a base station on land in a wireless transmission mode; a young Chinese sturgeon reserve is provided with 4-7 environment monitoring stations, and on-line water quality monitoring equipment is utilized to monitor the conditions of the hydrology, the meteorology, the water quality, and the like in real time; and obtained information is transmitted back to the base station in the wireless transmission mode. The method is used for Chinese sturgeon monitoring.
Owner:EAST CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
Condensed-water automatic pump machine-core
InactiveCN101070861AReduce usageSolve the problem of not being able to stay in the pump for a long timePressure pumpsMachines/enginesEngineeringHeat treated
The invention relates to a condensed water recovery package. Especially relating to Movement of the condensee water auto pump,it provieds a non-use of springs, adjustable pump capacity, reliability and long service life Movement, concluding pump cover instakked inlet with intake screw ,outlet with exhaust screw, linkage, floater. In the pump, pump cover fixed connection leveraged linkages through rack, the fulcrum of the lever on both sides of the linkage connecting activities Cypriot-inlet, exhaust-Cypriots, the top of the column with Jin-oriented, exhaust screw holes can be connected with the sliding, the far end of linkages fixed float, first of all, avoid the use of springs, solved the technical problems of heat treatment and lower costs, stable and reliable structure, life improved, extended maintenance cycle, float high in the pump outside the scope of regulation, Condensation in the cold water solution can not be long stranded pump problems.
Owner:奚鼎吉
Artificial ecological waste water treating device
InactiveCN1858011ALow running costCompact structureTreatment with aerobic and anaerobic processesMultistage water/sewage treatmentSlagEngineering
The artificial ecological waste water treating apparatus includes preliminary sedimentation tank, water storing tank, aerating biofilter, anoxia tank, plant ditch and biological pond communicated successively. The aerating biofilter has quartzite layer, steel slag layer, zeolite layer and turf layer set from bottom to top, water pipes with water outlet holes and air pipes with air outlet holes in the bottom, and grown heavy metal enriching plant. The anoxia tank has longitudinal partitions with gap remained between partition and the bottom of the tank, filled haydites and cultivated flower in the float bed. The plant ditch has longitudinal flaps for S-shaped flow of water, floated plant bed. The biological pond has nitrogen fixing floating plant. The artificial ecological waste water treating apparatus can eliminate nitride, phosphide, heavy metals and hard-to-degrade organic waste water as well as harmful bacteria.
Owner:ZHEJIANG UNIV
Ecological jellyfish device for water body treatment
InactiveCN102211821APromote growthAdd depthSustainable biological treatmentBiological water/sewage treatmentGrowth plantEutrophication
The invention discloses an ecological 'jellyfish' device for water body treatment. The device mainly comprises a carrier, a floating body controller and an anchoring element, wherein the carrier, the floating body controller and the anchoring element are connected through a standing wire (17); the anchoring element is provided with a fixed button; the carrier mainly comprises a supporting skeleton, a biological carrier layer, a fixed floating body and an inflatable floating body; a rope pipe is installed on the supporting skeleton or inflatable floating body; the inflatable floating body is communicated with one end of an inflatable tube leading to the outside of the water body; the floating body controller is provided with an inflatable tube sleeve which is connected with the inflatable tube; and one end of the standing wire is fixedly connected to the carrier, and the other end of the standing wire successively penetrates through the fixed button and the rope tube and then is connected to the floating body controller. According to the invention, the device is used as a submerged plant growth carrier, so that an eutrophication technical system for ecological treatment of aquatic plants is broadened and expanded; especially, the device is suitable for water quality purification of a deep water body; and the device has the characteristic of modularization operation and has a good industrialized prospect.
Owner:FUDAN UNIV
Cladophora and transparent daphnia combined algae control method
InactiveCN101041505AReduce dosageImprove processing efficiencySustainable biological treatmentBiological water/sewage treatmentCladophoraDaphnia
This invention discloses a joint control algae method of Cladophora and transparent algae involving a water disposal method, which comprises the following steps: preparing open to ambient air net cage with rustless steel silk net of bore diameter at 3-8mm in preformed precipitate pool of water supply works; fixing nylon twine net of cross-paralleling and verticalling with bottom of net cage on the top of net cage; setting bore diameter of nylon twine net at 1-2cm; constructing floating net cage with fixed float of quadrangle of the top of net cage; making side wall of floating net cage exceed waterborne at 0.2-0.4m; residing 3-4 weeks in the water body; growing up Cladophora on the nylon twine net; making transparent algae natural grow in the floating net cage; or leading into floating net cage from the outside; setting density of transparent algae at 10-40 / L; picking Cladophora when Cladophora breed 1-2 weeks on the nylon twine net.
Owner:HARBIN INST OF TECH
Generating system horizontally, vertically, and comprehensively utilizing floating body rope wheel
InactiveCN103437944AImprove energy utilizationSmall moment of inertiaMachines/enginesEngine componentsOcean bottomElectricity
A generating system horizontally, vertically, and comprehensively utilizing floating body rope wheel comprises a hollow floating body and a generating cabin located in the center of the floating body and located on the same plane as the floating body. The generating cabin is connected with the floating body through a plurality of ropes connected to the inner side of the floating body and arranged in diagonal mode. An anchoring base is fixed on the sea bed perpendicularly under the generating cabin. The generating cabin is connected with the anchoring base through a rope. A plurality of fixed floating body anchoring bases are arranged on the periphery of the floating body and are connected with the outer side of the floating body through lock chains. The generating system can sufficiently utilize energy in the horizontal direction and the vertical direction of waves to generate electricity and is high in energy utilization rate. Moreover, a generator is embedded in a coiling block, and the coiling block drives, through an overrunning coupler, a minimai promoter shell to rotate, so that rotating inertia can be reduced to a largest degree, and the service life of the whole equipment can be improved. Core parts are all contained in the coiling block, so that the generating system has the advantages of being compact in structure, easy to manufacture in a modularized mode, low in cost, and favorable to maintenance.
Owner:SHANDONG UNIV
Reconfigurable universal fixed floating-point FFT processor
InactiveCN106951394AImprove versatilitySave resourcesDigital data processing detailsComplex mathematical operations18-bitComputer architecture
The invention provides a reconfigurable universal fixed floating-point FFT processor, which can realize not only 18-bit fixed-point FFT operation but also 32-bit single-precision floating-point FFT operation. According to the processor, a fixed-point arithmetic device (comprising a multiplier and an adder) is separated from a main body structure and can be reconfigured as a single-precision floating-point arithmetic device. A processor main body finishes fixed-point or floating-point FFT operation by calling the fixed-point arithmetic device or the single-precision floating-point arithmetic device formed by reconfiguration. The processor adopts a mixed base flow water structure and supports not only fixed floating-point calculation but also a configurable calculation point number, so that the universality of the processor is effectively improved under the condition of ensuring accuracy and data throughput.
Owner:NANJING UNIV
Biological grid water body reinforcement purification and purifier
InactiveCN1778710AExtend the ecological chainReduce outputSustainable biological treatmentBiological water/sewage treatmentVegetationBio filtration
A biological grid water body fortifying purification and its apparatus are disclosed. It forms self-fixing float filler, microbial membrane and spiral shell fed in ecological contact oxidation pool, biological filter area with lifting-flow suspended filler is set at outlet, the ecological contact oxidation pool is mad up of reinforced concrete structure, mesh blind flange on top of which is covered with vegetation layer on pool top. Its advantages include less mud output, better water quality purifying effect and low cost.
Owner:EAST CHINA NORMAL UNIV
Device for securing floating bodies
ActiveUS20170350083A1Sufficiently robustAvoid disadvantagesShipping equipmentSpecial purpose vesselsEngineeringFixed float
The invention relates to a device for fixing floating bodies (1, 1′) with a pile (2) which can be fixed at one end to a ground (G) and in the region of the other end of which the floating body (1, 1′) can be fixed. For the purpose of providing advantageous fixing conditions, it is proposed that the pile (2) is designed as a telescopic tube (3).
Owner:DUAL DOCKER
Fixed floating fountain
InactiveUS20100163642A1Reduce manufacturing costEasy to buyLighting and heating apparatusLight effect designsEngineeringWater level
A device locates a fountain assembly permanently at a specific desired location while the fountain assembly floats in a confined area, or to fix the fountain assembly at a selected height. A sleeve upon a frame supports fountain equipment as the sleeve moves vertically upon the pier as adjacent water levels change. The invention also provides a method of installing a fountain assembly within a water body where an installer uses an alignment guide and a mechanical means to embed a metallic pier in the bottom of the water body at a precise location. Then the installer places the fountain assembly onto the installed pier as a float provides neutral buoyancy for the assembly. The frame and float generally locate the nozzle of a fountain proximate the surface of the water body with the remainder of the fountain equipment being submerged.
Owner:DEICHMANN RONALD S +1
Fixed float ball type floating fish reef
ActiveCN107912348AFree gatheringGood water permeabilityClimate change adaptationPisciculture and aquariaBall typeEngineering
The invention discloses a fixed float ball type floating fish reef which comprises a floating fish reef body 1, a connecting cable 2 and a concrete anchor 3. A first end of the connecting cable 2 is connected with the floating fish reef body 1, and a second end of the connecting cable 2 is connected with the concrete anchor 3; the floating fish reef body 1 comprises a plurality of hinges 11, large-mesh netting 12 and buoyancy frames; the large-mesh netting 12 is fixed onto the hinges 11 to form closed netted structures; the buoyancy frames comprise a plurality of float ball sets 14 and a plurality of upright columns 13, and the float ball sets 13 are horizontally fixed onto the upright columns 13; the hinges 11 are mounted on the corresponding upright columns 13; the closed netted structures and the buoyancy frames are intermittently arranged, and the float ball sets 14 of bottom layers are connected with the first end of the connecting cable 2; the float ball sets 14 comprise a plurality of float balls which are serially connected with one another, and the float balls are arranged at intervals.
Owner:ZHEJIANG OCEAN UNIV
Apparatus for fixing floating bodies
An apparatus is described for fixing floating bodies (1), in particular boats, to a landing body (2) with at least two holding booms (5) which are fixed to respective moorrings (4) by fittings (3) functioning as coupling elements, in each case at one end on the floating body (1) and at the other end on the landing body (2). In order to create advantageous conditions, it is proposed that at least one of the holding booms (5) be fixed, at least at one end, to the respective moorrings by the fitting (3) functioning as a coupling element so as to be rotationally fixed or rotationally resilient about an at least approximately vertical axis (7) with an adjustable and fixable angular offset (α).
Owner:DUAL DOCKER
Apparatus for fixing floating bodies
ActiveUS20100206210A1Uncontrolled movementAvoid driftingWaterborne vesselsShipping equipmentCouplingVertical axis
An apparatus is described for fixing floating bodies (1), in particular boats, to a landing body (2) with at least two holding booms (5) which are fixed to respective mooring means (4) by means of fittings (3) functioning as coupling elements, in each case at one end on the floating body (1) and at the other end on the landing body (2). In order to create advantageous conditions, it is proposed that at least one of the holding booms (5) be fixed, at least at one end, to the respective mooring means by the fitting (3) functioning as a coupling element so as to be rotationally fixed or rotationally resilient about an at least approximately vertical axis (7) with an adjustable and fixable angular offset (α).
Owner:DUAL DOCKER
Method for fixing floating dune through sediments of hyper-concentrated flood
The invention provides a method for fixing a floating dune through sediments of a hyper-concentrated flood and relates to the technical field of water conservancy and desertification control. The method for fixing the floating dune through the sediments of the hyper-concentrated flood comprises the step that a dredging project which is used for changing the flow direction of the hyper-concentratedflood to enable the hyper-concentrated flood to flow through a desert area is built on a route which the hyper-concentrated flood flows through. According to the method, the large quantity of sediments carried in the flood are utilized, after the flood is guided into the desert area, due to flood infiltration and flow rate decreasing, the impact on a riverbed is weakened, the deposition capacityis improved, and the large quantity of sediments are deposited; after the flood is all infiltrated into a desert underground reservoir, the flood sediments form a clay hardened layer under the strongevaporation condition, and desert moving is stopped; and the harm of the flood is avoided, damage of desert moving to surrounding areas is also avoided, meanwhile, the flood infiltrating into the underground can be used for local production and living after being filtered by a desert, and thus the effect that the flood resource is safely utilized is achieved.
Owner:COLD & ARID REGIONS ENVIRONMENTAL & ENG RES INST CHINESE
Fixed floating fountain installation method
InactiveUS20110150578A1Reduce manufacturing costEasy to buyLighting and heating apparatusLight effect designsEngineeringPosition fixing
A method positions and installs a support for a fountain assembly permanently at a specific location and elevation relative to a water body at an amusement park, hotel, or resort. The method utilizes a crane equipped vessel to deploy a support over the desired location. The vessel has its location determined from position fixing instruments and then an installer positions the vessel precisely. The method then has an installer lift the support plumb and above the water body. The method next rotates the support to embed it into the bed of a water body. Rotation stops when the head of the support becomes coplanar with the surface of the water body. The support then receives framework for fountains while remaining concealed beneath the water.
Owner:DEICHMANN RONALD S +1
Cleaning device and method of full-automatic solar panel heating type tubular rod
ActiveCN106076982AAchieve recyclingRealize energy savingHollow article cleaningDirt cleaningCirculating pumpEnergy conservation
The invention relates to a cleaning device and a method of a full-automatic solar panel heating type tubular rod. The cleaning device adopts the technical scheme that the tubular rod is placed in a groove of a push auger, heating tubes which are uniformly distributed are arranged on the lower part of the push auger, and a silt cleaning device is arranged on the lower parts of the heating tubes; an oil sucking device is installed on a push rod, one end of a universal shaft is connected with one end of a connecting rod by virtue of a shaft, the other end of the connecting rod is connected with an oil sucking block, the oil sucking block is arranged in an oil sucking fixed floating block, a heating device is connected to the upper part of the outer side of a body, one end of a solar trough collector is connected with a heat exchange device by virtue of a hot oil tube, the other end of the solar trough collector is connected to the bottom of a cold water device, the heat exchange device is connected to the side of the cold water device, and a circulating pump is connected to the heat exchange device. The cleaning device has the beneficial effects that existing electrical heating and natural gas heating are changed into solar heating, so that the effect of energy conservation is achieved, and existing manual cleaning of oil sand is changed into mechanical cleaning, so that the labor intensity is reduced.
Owner:DONGYING HONGDE PETROLEUM EQUIP CO LTD
Tail-end casting device for deep-sea cage culture pneumatic conveying feeding system
Owner:SOUTH CHINA AGRI UNIV +1
Unfolded life jacket
ActiveUS20140087611A1Improve security featuresEasy to cleanLife-buoysBody suitsEngineeringGravity center
Disclosed in the present invention is an unfolded life jacket which comprises a fixed floating body provided with a notch through which a user's head passes; straps comprising interconnecting straps attached to the fixed floating body, the interconnecting straps being tied with intermeshing loop straps to hold the user's body; a movable floating body comprising a front movable floating block and a rear movable floating block, to which the fixed floating body is attached, respectively, a rope being attached to the front movable floating block and the rear movable floating block, the rope being tied with the intermeshing loop straps, an adhesion part limiting the front movable floating block and the rear movable floating block on the intermeshing loop straps. It helps the user to keep in a vertical state in water so as to stabilize the gravity center and keep the head out of the water surface.
Owner:HSU YUNG HO +1
Full-automatic riverway floating rubbish cleaning machine
The invention discloses a full-automatic riverway floating rubbish cleaning machine comprising a cleaning machine main body provided with a belt transmission mechanism, a power device, a rubbish conveying device and a fixed floating device. The power device comprises a plastic gear, a vacuum plastic pipeline and a stainless fan blade. The plastic gear is fixedly installed in the middle of the vacuum plastic pipeline. The stainless fan blade is arranged below the plastic gear and is fixedly arranged on the center axis of the plastic gear through a shaft rod. The rubbish conveying device is fixed to the river surface and the periphery of the power device. A fixed device is connected with the plastic gear through a fixed connecting rod. According to the full-automatic riverway floating rubbish cleaning machine, hydroenergy is fully utilized and converted into mechanical energy, no electric energy or manpower or material resources are needed, rubbish floating on the river surface is collected to a designated area automatically and uniformly, and the advantages that river surface floating rubbish cleaning is low in cost and good in effect, practicability is high, installation is simple and easy, and the automation degree is high are achieved.
Owner:熊火平
Anti-collision system of tugboat
InactiveCN104680851AGrasp the positionMaster the distanceMarine craft traffic controlRadarGps positioning system
The invention discloses an anti-collision system of a tugboat. The anti-collision system is provided with an integrated antenna, a GPS (Global Positioning System), a fixed floating beacon, an airborne radar for sea search and a central processing unit, wherein the integrated antenna has a satellite signal receiving function; the GPS is used for acquiring a current tugboat position; the fixed floating beacon is arranged at a working sea area of the tugboat and is provided with a radar responder; the airborne radar for sea search is arranged on the tugboat and is used for transmitting radar waves, receiving back waves of the radar responder and acquiring a self position; the central processing unit is used for receiving current tugboat position information acquired by the GPS and a return position signal of the airborne radar for sea search, and calculating the current tugboat position. According to the anti-collision system, a GPS positioning technology is utilized as a main positioning means, and the positioning floating beacon with a radar back wave reflection function is utilized as an auxiliary positioning means, so that the current tugboat position is effectively mastered in real time, and beneficial conditions are created for in-time dispatching and correction of the tugboat. Furthermore, the adopted technology is mature and reliable, the cost is relatively low, and the anti-collision system is quite suitable for popularization and use in each port.
Owner:DALIAN JUNFANG TECH
Floating dock capable of not changing length of vertical mooring line during change of sea level
The invention discloses a floating dock capable of not changing length of vertical mooring line during change of sea level. The floating dock comprises a fixed floating body and a directional floating body, wherein the fixed floating body is fixedly connected with the seabed and is arranged lower than the lowest water level; and the directional floating boxy is movably connected above the fixed floating body. A longitudinal telescopic device is connected between the fixed floating body and the directional floating body, or the directional floating body is hinged on the fixed floating body. The floating dock disclosed by the invention adopts a combined structure of the directional floating body and the fixed floating body. When the sea levels changes, the height of the fixed floating body which is arranged lower than the lowest sea level and is fixed on the seabed keeps constant, and the fixed floating body movably connected with the fixed floating body floats up and down along with the fixed floating body or swings up and down by surrounding a hinging point relative to the fixed floating body. The height of the whole floating dock floating on the water surface is kept constant. The directional floating body floats up and down or swings up and down along with the change of the sea level but can not drift along with the tide, the drift of the floating dock along with the tidy or the wind direction is limited under the suspension state, and the maintenance of an anchoring system of the floating dock is reduced effectively.
Owner:郑钢钢
Horizontal and vertical comprehensive utilization of floating body rope wheel power generation system
InactiveCN103437944BImprove energy utilizationSmall moment of inertiaMachines/enginesEngine componentsElectricityOcean bottom
A generating system horizontally, vertically, and comprehensively utilizing floating body rope wheel comprises a hollow floating body and a generating cabin located in the center of the floating body and located on the same plane as the floating body. The generating cabin is connected with the floating body through a plurality of ropes connected to the inner side of the floating body and arranged in diagonal mode. An anchoring base is fixed on the sea bed perpendicularly under the generating cabin. The generating cabin is connected with the anchoring base through a rope. A plurality of fixed floating body anchoring bases are arranged on the periphery of the floating body and are connected with the outer side of the floating body through lock chains. The generating system can sufficiently utilize energy in the horizontal direction and the vertical direction of waves to generate electricity and is high in energy utilization rate. Moreover, a generator is embedded in a coiling block, and the coiling block drives, through an overrunning coupler, a minimai promoter shell to rotate, so that rotating inertia can be reduced to a largest degree, and the service life of the whole equipment can be improved. Core parts are all contained in the coiling block, so that the generating system has the advantages of being compact in structure, easy to manufacture in a modularized mode, low in cost, and favorable to maintenance.
Owner:SHANDONG UNIV
River sewage purification device
InactiveCN109928576APrevent popupPrevent embeddingMultistage water/sewage treatmentWater flowPulp and paper industry
The invention discloses a river sewage purification device. The river sewage purification device comprises a solar panel, a fixed floating frame and a water pumping purifier. After the pump machine isstarted, the hydraulic pipe is pressurized to enable the piston rod to slide outwards, and then the spring rod pushes the extrusion roller device to clamp branches inwards; due to the elasticity of the spring rods, the extrusion roller device can be tightly attached to the surface of branches according to different shapes and sizes of branches, and the device can deal with branches of different sizes; an embedded tip is conical in shape, and branches are easy to separate when sliding out due to the fact that the angle is deflected when the embedded tip rotates; meanwhile, the embedded tip canbe sunken inwards under the counter-acting force of the branches when rotating, and at the moment, the air pressure piston slides leftwards, so that air flow of the air pressure pipe is blown outwards quickly through the air flow convex block. Along with rotation of the embedded spiral device, airflow stirs water flow outwards, the retraction force of the water pumping purifier absorbing water inwards is overcome as much as possible, and then branches are easier to push out.
Owner:黄国妹
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