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50results about How to "Increased dive depth" patented technology
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Turning, rotating propeller of underwater robot with six degrees of freedom
InactiveCN101003300AImprove maneuverabilityImprove energy transfer efficiencyPropulsive elementsUnderwater vesselsOcean bottomPropeller
A propeller with direction-changeable rotating shaft for 6-freedom underwater robot is composed of supporting frame and 3 motors including one propulsion motor, which are connected to said supporting frame via relative connection unit. Installing said propeller to the head and tail of a robot respectively can realize 6 freedoms.
Owner:HARBIN ENG UNIV
Bionic robotic dolphin for water quality monitoring
ActiveCN105775082AFlexible snorkelingAchieving locomotion controlTransmission systemsTesting waterComputer monitoringEngineering plastic
The invention discloses a bionic robotic dolphin for water quality monitoring. The bionic robotic dolphin comprises a bionic robotic dolphin body and an upper computer monitoring system. Information interaction between the bionic robotic dolphin body and the upper computer monitoring system is achieved in a radio frequency mode. According to the bionic robotic dolphin body, killer whale spindle low-resistance streamline appearance is adopted, a pressure-resistance shell is manufactured with polyformaldehyde engineering plastic, and the bionic robotic dolphin body comprises a water quality sensor module, a transparent head cabin, a pectoral fin cabin, a master control cabin and a tail joint cabin. The water quality sensor module is provided with different types of water quality sensors according to water quality monitoring requirements. A pectoral fin driving module is mounted in the pectoral fin cabin. The master control cabin is provided with a dorsal fin driving module and a tail joint driving module. The tail joint cabin is provided with a tail fin driving module. Maneuvering motions of advancing, steering, diving, floating and the like of the bionic robotic dolphin body can be achieved. By utilizing high maneuvering, low disturbance, non-pollution and the like of the bionic robotic dolphin body, water quality monitoring tasks are completed in narrow, complex and dynamic underwater environments by carrying the water quality sensors.
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI
Wine bucket shaped loudspeaker box
InactiveCN101765039AEliminate Harmonic DistortionEliminate resonanceFrequency/directions obtaining arrangementsNonlinear distortionSound sources
The invention discloses a wine bucket shaped loudspeaker box, comprising a loudspeaker box body and a loudspeaker box bracket; the loudspeaker box body comprises a wine bucket shaped box body and a loudspeaker arranged at the front end surface of the box body, a phase-reversing tube is arranged in the box body, a phase-reversing hole is arranged at the rear end surface of the box body, one end of the phase-reversing tube is arranged at the position of the phase-reversing hole and is vertically and fixedly connected with the rear end surface of the box body, the loudspeaker is electrically connected with an external sound source by a loudspeaker wiring terminal, wave mode sound absorption wool is arranged on the inner wall of the box body, the wine bucket shaped loudspeaker box eliminates the harmonic distortion and resonance of tone quality, caused by flat box body surfaces and edge corners of a common resonance, increases low-frequency diving power and reduces nonlinear distortion of audio frequency, the design of the wine bucket shaped box body changes the disadvantage that the common loudspeaker box has poor shock resistance, promotes the mechanical property of the loudspeaker box structure and can support high audio-frequency power; in addition, the wine bucket shaped appearance design of the loudspeaker box is artistic and elegant, and the function and the decoration are perfectly combined.
Owner:王强
Underwater diving propulsion device
InactiveCN103935489AImprove securityImprove reliabilityUnderwater equipmentMeasuring instrumentPropeller
The invention discloses an underwater diving propulsion device. A mounting bracket of the device is arranged at the tail end of a casing, a fairing which is connected with the mounting bracket is located on the outer side of the casing, a battery pack is arranged in the casing, a direct current motor is arranged on the mounting bracket and located in the casing, the battery pack provides a power supply for the direct current motor, a rotating shaft of the direct current motor extends out of the mounting bracket to be connected with a magnet rotor, a segregation board is arranged on the inner wall of the fairing in a vertical and sealing manner, an interval is formed between the segregation board and the end surface of the magnet rotor, a rear bracket is arranged on the segregation board and located in the fairing, the two ends of an output shaft are respectively connected with a copper rotor and a propeller, the output shaft is arranged on the rear bracket through a bearing, an interval is formed between the end surface of the copper rotor and the segregation board, the end surface of the copper rotor corresponds to the end surface of the magnet rotor, a maneuvering handle extends into the casing to control the rotating speed of the direct current motor, and a measuring instrument is arranged at the end part of the maneuvering handle. The propulsion device overcomes the defects of a traditional propulsion device, the rotating shaft has favorable sealing performance, the safety and the reliable performance of the propulsion device are improved, the energy consumption is reduced, and the diving depth is increased.
Owner:SHANGHAI RONGDE ENG EQUIP
Piezoelectric-driven floating underwater robot and working method thereof
ActiveCN109292062AIncreased dive depthEase and release from bondagePiezoelectric/electrostriction/magnetostriction machinesUnderwater vesselsElectricityEllipse
The invention discloses a piezoelectric-driven floating underwater robot and a working method thereof. The piezoelectric-driven floating underwater robot comprises a patch type piezoelectric vibrator,two propellers, two fixing plates and two elastic tapes. Circular arc actuating heads are arranged at two ends of the patch type piezoelectric vibrator; and a cross-shaped clamping mechanism with a through hole is arranged in the middle of the patch type piezoelectric vibrator. The spiral line directions of blades of the two propellers are reverse to each other. The patch type piezoelectric vibrator is fixed between the two fixing plates; rotating shafts of the two propellers are correspondingly clamped in open grooves in the two ends of the two fixing plates; and the two elastic tapes correspondingly sleeve the two sides of the rotating shafts of the two propellers and are in a stretched state so that outer propeller hubs of the two propellers correspondingly abut against the actuating heads at the two ends of the patch type piezoelectric vibrator. During working, the patch type piezoelectric vibrator is excited, the circular arc actuating heads at the two ends of the patch type piezoelectric vibrator generate elliptical motions with reverse rotation directions, and the two propellers are driven to rotate under the action of friction so as to realize the motion of the underwaterrobot.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
Robot device for underwater observation, salvage and rescue
The invention belongs to the field of underwater robots and discloses a robot device for underwater observation, salvage and rescue. The robot device for underwater observation, salvage and rescue comprises a left external plate, a right external plate, an upper web plate, a lower web plate, a left propeller module, a right propeller module, a control bin, a control bin support, a manipulator, a manipulator support, a water surface controller, a towing rope, a left buoyancy material, a right buoyancy material, a sonar, an illumination sensor and an image transmission device; the left externalplate is correspondingly connected with the upper web plate and the lower web plate; the right external plate is correspondingly connected with the upper web plate and the lower web plate; the left propeller module is fixed on the internal side of the left external plate; the right propeller module is fixed on the internal side of the right external plate; the control bin is fixed on the internalside of the lower web plate through the control bin support; the manipulator is fixed on the internal side of the lower web plate through the manipulator support. The robot device for underwater observation, salvage and rescue has the advantages that the submerged depth is large, the applicability is high, the resistance to interference is high, the robot device can adapt to complicated and various underwater environments, the functions are diverse, underwater observation, rescue and salvage are integrated, and the robot device can be widely applied to the military and civilian field.
Owner:HARBIN ENG UNIV
Illumination lamp
InactiveCN101846304AIncreased dive depthImprove waterproof performance in deep water operationsGas-tight/water-tight arrangementsLamp shellEngineering
The invention relates to an illumination lamp, which comprises a shell body. The shell body is formed by buckling an upper shell and a lower shell; a light source is arranged in the shell body; an inner layer sealing ring is arranged between contact surfaces of the upper shell and the lower shell; the periphery of the inner layer sealing ring is provided with an outer layer sealing ring; a gap is reserved between the inner layer sealing ring and the outer layer sealing ring; and the water pressure resistance of the inner layer sealing ring is higher than that of the outer layer sealing ring. A structure of two layers of sealing rings is adopted, so the water pressure resistance of the entire lamp shell is equivalent to the sum of the water pressure resistance of the inner layer sealing ring and the water pressure resistance of the outer layer sealing ring and the submerging depth of the illumination lamp is further increased. Internal components of the illumination lamp are convenient to maintain and the water-proof performance of the illumination lamp during deep water operation is improved.
Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +1
Wet type dual-function explosion-proof motor
InactiveCN102025227AWith explosion-proof functionFull exchangeCooling/ventillation arrangementSupports/enclosures/casingsWater wheelUnderwater
The invention discloses a wet type dual-function explosion-proof motor. A motor shaft (1) penetrates into the motor and is supported by a front bearing and a back bearing, a rotor assembly and an internal water wheel are fixed on the motor shaft (1) inside the motor, and an external water pipeline (13) is arranged in a clearance between a case and a stator assembly. A water inlet (17) of a water distributor (15) and a water outlet (18) of a water collector (16) are mutually communicated through the external water pipeline (13), and a cooling water channel of internal water is formed by splicing the case (2), the external water pipeline (13) and the stator assembly. In the invention, external water is used for cooling heat generated by the motor per se, so that the motor not only can normally work in air environment or explosive gas environment, but also can stably and reliably work for long time in underwater environment. Moreover, the motor can be used together with the traditional multi-stage pump, can be used for reforming the traditional underwater mining draining pump, and thus, the drainage system can resist disasters. Because an adjusting bag is added, the submergence depth of the motor can be greater than the rated head of the water pump.
Owner:ZHENGZHOU UNIV
Underwater submersible vehicle buoyancy adjusting device
InactiveCN107010189AIncreased dive depthIncrease effective working depthUnderwater vesselsUnderwater equipmentElectric machineryEngineering
The invention belongs to the technical field of attitude and state control of underwater vehicles, and specifically provides a buoyancy adjustment device for underwater vehicles, including an adjustment cylinder, a piston assembly, a booster spring and a push rod assembly, and a middle hole is opened in the middle of one end surface of the adjustment cylinder , the other end face is connected with the push rod assembly, the piston assembly is built into the adjustment cylinder and the piston assembly is matched with the inner wall of the adjustment cylinder; the push rod assembly includes a motor, a timing belt, a screw rod and a cylinder, and one end of the cylinder is fixed to one end of the adjustment cylinder Connection, the screw rod is set in the cylinder and one end is connected to the motor through the timing belt, and the other end is connected to the piston assembly in the adjustment cylinder; the booster spring is set between the piston assembly and the end face of the adjustment cylinder connected with the push rod, and assists The spring is sleeved on the outer circumference of the lead screw. The buoyancy adjustment device of the underwater submersible increases the effective working depth of the buoyancy adjustment device without increasing the output power of the electric push rod assembly, thereby increasing the diving depth of the underwater submersible and realizing standardized production.
Owner:辛光红
Safety diving breathing apparatus
InactiveCN101112911ASwimming is easy to learnIncreased dive depthUnderwater equipmentWater diversionBuoy
A safe aqualung belongs to the diving apparatus technical field. The invention is characterized in that an air plastic pipe is connected to a calabash-shaped plastic water diversion air chamber and an upper air chamber and is connected with a respiration head of a face mirror through an air pipe, a movable joint and an air pipe of a stainless steel pipe. The other movable joint of the air pipe is connected with a buoy which can be inflated. The bottom part of the calabash-shaped air chamber is provided with a check valve; two frames are connected with horizontal EVC foam. The middle part of the EVC foam is provided with a knob and two living-knot ropes; a lower fixing card of the EVC foam is provided with a fixing head of a deep diving part. The invention has the beneficial effects that the calabash-shaped air chamber is adopted, and if a small quantity of water enters, the water is discharged by the check valve at the bottom part of the air chamber. The floating force of the EVC foam exposed at the exterior of the stainless steel can be used as the buoy; when people feel tired, the knob and the two living-knot ropes can be adopted to fix both hands, which is safe and reliable. The deep diving part can increase the diving depth; the invention is more convenient and practical in economy and application.
Owner:陈福生
Open-type earphone
The invention provides an open-type earphone which comprises an arc-shaped rod, two connectors, two earmuffs and arc-shaped clamping feet. The arc-shaped clamping feet are connected with the two ends of the arc-shaped rod respectively and located on the inner sides of the earmuffs. The open-type earphone further comprises a low-pass filtering circuit and an amplifying circuit. A sounding unit in each earmuff comprises a full-frequency sounding unit, a low-frequency sounding unit and a passive unit, wherein the low-frequency sounding unit is adjacent to the passive unit. The open-type earphone can be worn on the head of a person stably through the arc-shaped clamping feet, the earmuffs are hung outside the ears of the person, wearing comfort is guaranteed, and the situations that the ears are fatigued, hearing is influenced adversely and safety accidents are caused due to the fact that an approximately sealed sound field is formed through the earmuffs and the ears of the person are avoided. Frequency division is carried out through the arranged low-pass filtering circuit, intensity and depth capacity of replay low-frequency signals can be improved through the low-frequency sounding units and the passive units, and the sound effect and quality of the earphone are guaranteed.
Owner:武汉中大梦为科技有限公司
Electric submersible screw pump for well
ActiveCN105443374AGap stabilityEasy to useRotary piston pumpsRotary/oscillating piston combinationsCapacitanceEngineering
The invention discloses an electric submersible screw pump for a well, and belongs to the technical field of liquid pumps. The electric screw pump comprises a machine barrel of which one end is provided with a first bearing block, wherein a second bearing block opposite to the first bearing block is arranged in the machine barrel; a rotating shaft is rotatably mounted between the first bearing block and the second bearing block; a rotor winding is arranged on the rotating shaft; a stator winding corresponding to the rotor winding is arranged on the machine barrel; the other end of the machine barrel is provided with a bottom cover; an expansion sleeve which is bulged from the bottom cover to the second bearing block is arranged in the machine barrel; an expansion cavity is formed between the expansion sleeve and the bottom cover; a capacitor is arranged between the expansion sleeve and the second bearing block in the machine barrel; the end part of the expansion sleeve is propped to the end part of the capacitor; the machine barrel between the bottom cover and the first bearing block is filled with lubricating oil. The electric submersible screw pump for the well can solve a plurality of technical problems of an existing electric submersible screw pump, such as low heat dissipating performance; the electric submersible screw pump can be widely applied to the down-hole operation.
Owner:TAIZHOU JIADI PUMP IND CO LTD
Seabed three-dimensional terrain investigation and surveying underwater unmanned vehicle
PendingCN111038671AReduce volumeImprove underwater pressure stabilityWater resource assessmentUnderwater vesselsStructural engineeringMechanical engineering
The invention provides a submarine three-dimensional terrain investigation and surveying and mapping unmanned underwater vehicle which comprises a plurality of pressure-resistant bins, and every two adjacent pressure-resistant bins are connected through a sealing connecting mechanism; each pressure-resistant bin comprises a tail bin, and the rear portion of the tail bin is connected with a main propeller through a connecting mechanism; the main propeller comprises a main shaft, an aluminum base body, inner rotor magnetic stripes, outer rotor magnetic stripes, a protective cover and a propellerhub, each of the inner rotor magnetic stripes and the outer rotor magnetic stripes comprises a plurality of magnetic stripe rings, inner rotor space rings are arranged among the magnetic stripe ringsof the inner rotor magnetic stripes, and outer rotor space rings are arranged among the magnetic stripe rings of the outer rotor magnetic stripes; the main shaft is located in the middle of the aluminum base body, the inner rotor magnetic strips and the inner rotor space rings are fixed to the outer side face of the aluminum base body, the outer rotor magnetic strips and the outer rotor space rings are fixed to the inner side face of the propeller hub, and the protective cover is located between the inner rotor magnetic strips and the outer rotor magnetic strips. The main propeller of the underwater vehicle is high in transmission efficiency, high in working efficiency, high in energy utilization rate and high in accuracy.
Owner:HARBIN ENG UNIV
Three-shaft telescopic multi- adaptability underwater robot
The invention relates to a three-shaft telescopic multi- adaptability underwater robot which comprises a box body support, a telescoping mechanism and a power mechanism. A box body is sealed and waterproof and is used for enabling a carrying mechanism to be placed and providing telescopic spaces for power arms, the telescoping mechanism is connected with three driven gears through a gear rack, the driven gear drives a lead screw to rotate and control stretching-out and drawing-back of the lead screw, synchronization stretching-out and drawing-back of three power arms of the robot can be achieved, the self size is changed according to the environment, running work is freer, the power mechanism is composed of the three power arms, the axial directions of screw propellers at the arm ends can be changed, and motion of space six degrees of freedom can be achieved through rotating speed of the three screw propellers and axial matching of the screw propellers. According to the three-shaft telescopic multi- adaptability underwater robot, a telescoping device of the power arms is designed, the robot has good practicality in the fields of sunken ship archaeology and deep sea excavation, cultural relics are protected, meanwhile, the running work is freer, and efficiency is higher.
Owner:ZHEJIANG UNIV
Underwater vehicle shell
InactiveCN109625155AIncrease pressureImprove pressure bearing capacityHull shellsUnderwater vehicleMarine engineering
The invention discloses an underwater vehicle shell. The underwater vehicle shell comprises an inner shell body, one or more middle layer shell bodies and an outer layer shell body, hollowed-out cavities are formed between the inner layer shell body and the middle layer shell bodies, between the middle layer shell bodies as well as between the middle layer shell bodies and the outer layer shell body, are pressure-resistant spaces, and are filled with pressure media. Through filling of the pressure media, the pressure intensity of the inner side of the shell is increased, accordingly, the aim of improving the pressure-bearing capacity of the exterior of the shell is realized, then, the overall pressure-resistant capacity of an underwater vehicle is improved, and then the submerging depth ofthe underwater vehicle is increased.
Owner:鲁能新能源(集团)有限公司
Swimming and diving dual-purpose appliance
ActiveCN106956756AIncrease speedReduced forward resistanceSwim finsUnderwater equipmentDual purposeEngineering
The invention discloses a swimming and diving dual-purpose appliance, which comprises a fixed-shape cover body and flexible swimming trunks, wherein the fixed-shape cover body covers a swimmer from a head part to a trunk part; the flexible swimming trunks cover the swimmer from the trunk part to foot parts and is connected with the fixed-shape cover body to be of an integral structure at the trunk part of the swimmer; at least one side of the front and rear sides, which cover the back part or the thoracoabdominal part of the swimmer, of the fixed-shape cover body is provided with a breathing pipe hinged onto the fixed-shape cover body, and is provided with a breathing pipe elastic element to make the breathing pipe vertically erected on the fixed-shape cover body; the front end of the part, which covers the head part of the swimmer, of the fixed-shape cover body is provided with a buffering device; an in-cover buffering material is laid and lined inside the fixed-shape cover body; at least one pressurization device is arranged among the fixed-shape cover body, the flexible swimming trunks and the body of the swimmer; the fixed-shape cover body is provided with a visual information collecting device; the tail ends of the flexible swimming trunks are provided with bionic caudal fin sealing rings which are bound in an annular groove of a bionic caudal fin fixing rod fixed between two legs or two feet of the swimmer.
Owner:朱光
Auxiliary Bionic Robot Fish
ActiveCN110065607BIncrease working depthReduce the frequency of re-dockingManipulatorUnderwater equipmentInformation transmissionMarine engineering
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI
Waterproof motor on submersible pump
InactiveCN105322696ADoes not affect lifeWithout compromising securitySupports/enclosures/casingsEngineeringWater seepage
The invention discloses a waterproof motor on a submersible pump. The waterproof motor comprises a motor cylinder, wherein the internal part of the motor cylinder is provided with a stator and a rotor, the middle part of the rotor is provided with a shaft, the stator is arranged outside the rotor, the stator is provided with a wire bag, the outer surface of the stator is provided with an insulating sleeve, the space between the insulating sleeve and the motor cylinder is filled with waterproof glue, and the waterproof glue wraps the wire bag. The waterproof motor disclosed by the invention is provided with a sealed cavity, so that the motor can still operate normally even having water seepage. The outer surface of the stator is provided with the insulating sleeve, the space between the insulating sleeve and the motor cylinder is filled with the waterproof glue, and the waterproof glue wraps the wire bag. The waterproof motor enables the diving depth of the submersible pump to be greatly improved, and the diving depth is increased from original 20m to current 300m. The motor can still work safely even all sealing parts of the submersible pump are invalid or have water seepage. The waterproof motor can work normally without installing sealing pieces while the service life time and the safety of the motor are not affected.
Owner:郑军波
Wild-training method for Chinese sturgeon
ActiveCN109349166AImprove swimming abilityImprove physical fitnessClimate change adaptationPisciculture and aquariaSwimming capacitySeawater
The invention relates to a wild-training method for Chinese sturgeon. The method comprises the steps of converting feeding habits, improving swimming capacity and improving predation capacity. Only when feeding habit conversion is completed, can the predation capacity be improved, and the improvement of swimming capacity and predation capacity and feeding habit conversion can be conducted synchronously. By adopting the method, the feeding habit of the released Chinese sturgeon is successively converted into freshwater and seawater creature baits from artificial compound feed, and the problem of conversion of feeding bait types of the released Chinese sturgeon is solved; by feeding the released Chinese sturgeon with live baits of the moving capacity from weak to strong, the capacity of actively catching the live baits of Chinese sturgeon is greatly improved, and the wild-adaptability capacity of the released Chinese sturgeon is greatly strengthened; the swimming capacity, especially theswimming capacity in adverse water flow of the Chinese sturgeon is greatly improved in a mode of intermittently creating stair water flow, the physique of the Chinese sturgeon is greatly improved, and wild predation and anti-predation of the Chinese sturgeon are ensured greatly.
Owner:CHINESE STURGEON RES INST CHINA THREE GOR
Water-inhaling-preventing diving breathing tube capable of stably floating
The invention discloses a water-inhaling-preventing diving breathing tube capable of stably floating, and relates to the technical field of diving appliances. The water-inhaling-preventing diving breathing tube comprises a floating ball, a tube penetrating hole is formed in the middle of the top of the floating ball, a breathing tube penetrates through the tube penetrating hole, the top of the breathing tube is designed to be sealed, the bottom of the breathing tube is communicated with a mouthpiece, and air inlet pipes are evenly installed at the top of the floating ball. The water-inhaling-preventing diving breathing tube capable of stably floating can dive to a deep distance, has the lifesaving ability, and helps a diver to save physical strength for self-rescue when the diver drowns accidentally; and when stormy waves occur, water enters the diving breathing tube, the diver cannot inhale water, the safety is high, it can be guaranteed that buoyancy cannot be reduced due to weight increase after water enters the diving breathing tube, even under the condition of heavy stormy waves, the diving breathing tube still has stable buoyancy to help the diver save physical strength for self rescue, and the diving breathing tube is safer and more reliable.
Owner:NANLING WANGKE INTPROP MANAGEMENT CO LTD
Well drilling exploration guide rope
The invention provides a well drilling exploration guide rope which comprises a rope core and a guide rope protection layer wrapping the rope core. A lubricating material is coated between the rope core and the guide rope protection layer. Compared with the prior art, the well drilling exploration guide rope has the advantages that the outer layer guide rope protection layer is made of austenitic stainless steel, Vaseline is filled between the guide rope protection layer and the rope core, the rope core is not prone to being broken by winding stress in a guide rope winding process when the submergence depth of the exploration guide rope increases, and the service life of the guide rope is prolonged.
Owner:海安发达石油仪器科技有限公司
Device and method for measuring external pressure resistance structure response of composite material shell
PendingCN111289371AAchieving resistance to volume changes under external pressureSimple structureMaterial strength using tensile/compressive forcesData acquisitionStrain gauge
The invention provides a device and method for measuring the external pressure resistance structure response of a composite material shell. The device comprises a shell which is provided with a pressing opening, a cover body detachably matching the shell to form a closed inner cavity, and a strain gauge. The inner side of the cover body is suitable for being connected with the open end of a composite material shell to be measured, a liquid outlet hole is formed in the cover body, a volume measuring device is connected to the liquid outlet hole, and the liquid outlet hole is suitable for communicating the volume measuring device with the inner cavity of the composite material shell to be measured. The strain gauge is connected with a data acquisition device through a wire and is suitable for being attached to the inner wall of the composite material shell. According to the device and method for measuring the external pressure resistance structure response of a composite material shell,the external pressure resistance strain process and the external pressure resistance volume variation of the composite material shell can be simultaneously measured in real time; according to the measured strain process and volume variation data, the structural shape change and buoyancy of the composite material shell can be more accurately controlled, so that the cruising ability and submergencedepth of the composite material shell in deep sea tasks can be improved.
Owner:北京玻钢院复合材料有限公司
Operation integrated device for AUV
InactiveCN109533259ASimplify the maintenance processReduce consumptionSteering ruddersPropulsive elementsLow noisePropeller
The invention discloses an operation integrated device for AUV, and belongs to the technical field of tail propulsion and steering. The operation integrated device for AUV can comprehensively considerthe application environment, from general layout space to requirements of high efficiency, low noise, vibration and the like. According to the operation integrated device for AUV, the AUV is in a torpedo shape and comprises a set of main propeller propulsion devices, two sets of steering devices (tail cross rudder distribution), an integrated tail shaft and a support, and the modular design simplifies the product maintenance; the integrated tail shaft structure is a four-in-one component combining a propeller force transmission structural member, a rudder blade and a rudder stock installationstructural member, a steering device support structural member and an AUV body connecting piece, because the smaller the outer diameter of the tail shaft is, the less the tail vortex is, and the smaller the underwater resistance is, the outer diameter of the tail shaft of the device can reach 145mm, the underwater resistance and the energy consumption can be obviously reduced, and the navigationefficiency is improved.
Owner:BEIJING RES INST OF PRECISE MECHATRONICS CONTROLS +1
Semi-submersible-type unmanned ship
PendingCN108238225AEasy to adjustImprove securityUnderwater vesselsUnderwater equipmentCommunications systemMarine engineering
The invention discloses a semi-submersible-type unmanned ship which comprises at least two ship bodies and a control cabin. Each ship body is provided with a hoop, and every two adjacent ship bodies are connected through a fixing rod. The two ends of each fixing rod are connected with the corresponding hoops, and the control cabin and the fixing rods are connected through ropes. A lifting motor controller and a communication system are arranged in the control cabin, and the submergence depths of the ship bodies are controlled by the lifting motor controller. The communication system is used for transmitting signals. The semi-submersible-type unmanned ship serves as a more advanced unmanned ship, and is more suitable for being applied to dangerous zones and places unsuitable for personnel surveying, during terrible ocean environments or dangerous situations, most of the semi-submersible-type unmanned ship can be submerged into water, only floating bodies are exposed to the water surface, and the stealth performance is very good.
Owner:SHANGHAI OCEAN UNIV
Oil-hydraulic buoyancy adjustment device and method
ActiveCN106143847BImprove work efficiencyRealize automatic diveBuoysUnderwater vesselsWorking pressureHydraulic pump
Owner:OCEAN UNIV OF CHINA
Marine drilling tool capable of continuously working
ActiveCN111456643AWater resistance decreasesReduce blocking areaDrill bitsSludgeMechanical engineering
The invention relates to the technical field of marine engineering, and discloses a marine drilling tool capable of continuously working. The marine drilling tool capable of continuously working comprises a drill bit, wherein the outer edge of the drill bit is fixedly equipped with a fixed sheet; the outer wall of the fixed sheet is provided with first threaded teeth; and the inner wall of the fixed sheet is movably connected to a first movable rod. Structure components of a fixed part, the fixed sheet, a limiting block and the first movable rod are adopted, so that the diameter of the drill bit can be regulated according to a resistance value of seawater in an equipment dropping process, and therefore, the resistance value in the dropping process is reduced; a hollow-out type design is adopted inside the drilling tool, so that resistance area is reduced in a using process, and therefore, the effects of greater diving depth and higher diving speed are achieved, working depth of the tool is effectively increased; and moreover, the maximum diameter value can be fitted to the drilling tool, so that seamless butt-joint with the drilling tool can be achieved in the using process, and therefore, sludge does not enter the tool in the using process of the tool.
Owner:JIANGSU HEXIN PETROLEUM MACHINERY
A submersible screw electric pump for wells
ActiveCN105443374BGap stabilityEasy to useRotary piston pumpsRotary/oscillating piston combinationsCapacitanceConductor Coil
Owner:TAIZHOU JIADI PUMP IND CO LTD
Pressure-resistant structure suitable for deep diving and floating and diving method of pressure-resistant structure
InactiveCN113511298AExpand the working space of sinking and floatingImprove pressure resistanceUnderwater vesselsUnderwater equipmentCentral pressureEngineering
The invention relates to the technical field of ocean engineering, and in particular relates to a pressure-resistant structure suitable for deep diving and a floating and diving method of the pressure-resistant structure. The pressure-resistant structure comprises a central pressure-resistant shell body, the outer ring of the central pressure-resistant shell body is sequentially sleeved with at least two layers of outer pressure-resistant shell bodies, the outer pressure-resistant shell body located on the innermost layer can completely wrap the central pressure-resistant shell body, and the outer pressure-resistant shell body located on the outer layer in every two adjacent layers of outer pressure-resistant shell bodies can completely wrap the outer pressure-resistant shell body located on the inner layer; water inlet interlayers are arranged between the central pressure-resistant shell body and the adjacent outer pressure-resistant shell bodies and between any two adjacent outer pressure-resistant shell bodies, and water inlet holes are formed in the multiple outer pressure-resistant shell bodies. The pressure-resistant structure is compact and reasonable in structure and convenient to operate, and the sinking and floating operation space of a submersible under different use conditions is completely expanded through the pressure-resistant shells which are sleeved layer by layer and internal high-pressure water.
Owner:CHINA SHIP SCIENTIFIC RESEARCH CENTER (THE 702 INSTITUTE OF CHINA SHIPBUILDING INDUSTRY CORPORATION)
An oil-hydraulic buoyancy adjustment system and method
ActiveCN106050799BImprove work efficiencyReduce work stressFluid-pressure actuatorsElectricityBuoyancy regulation
Owner:OCEAN UNIV OF CHINA
Illumination lamp
InactiveCN101846304BIncreased dive depthImprove waterproof performance in deep water operationsGas-tight/water-tight arrangementsEngineeringLamp shell
Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +1
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