50results about How to "Increased dive depth" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.