84results about How to "Floating" patented technology

The invention discloses an IGBT series circuit based on the control of an ARM microprocessor. The series circuit comprises an ARM microprocessor S3C2410PWM output circuit, a plurality of IGBT drive circuits, a plurality of IGBT protective circuits of the number of which is equal to that of the IGBT drive circuits and a plurality of voltage monitoring circuits the number of which is equal to that of the IGBT drive circuits. Ten IGBT series circuits are simulated; and the installation design picture is in a practical application connection mode. A PWM signal sent by an S3C2410 timer is the input signal of the driver M57962L; the drive circuits accurately control on and off of IGBT; the protective circuit comprises an IGBT overvoltage protective circuit, a grid resistor and a static grading resistor, and can protect normal operation of IGBT; the voltage monitoring circuit monitors the voltage of an M57962L power supply power source module to lead the circuit to be operated normally. The IGBT series circuit of the invention can realize series connection of a plurality of IGBTs, and can be applied in high-voltage equipment.

Provided is a diving instrument buoyancy control and pressure compensation system and method, the system includes a shell body, the inside of the shell body is filled with gases with a certain compressive stress, the shell body is provided with two and above elastic gasbags, the insides of the elastic gasbags are filled with gases with a certain compressive stress, and through a protective shell with holes wrapping on the outsides of the elastic gasbags, are in contact with the inside and outside of the shell body, the stresses of the filled gases inside every elastic gasbag are all different, and the gas stress inside the shell body is lower than the gas stress inside the elastic gasbag; the inside of the shell body is provided with an elastic water bag, a two-way seawater hydraulic pressure pump and a seawater electric magnetic valve, and the elastic water bag through the above two-way seawater hydraulic pressure pump and the seawater electric magnetic valve is through connected with a water environment outside the shell body in order to conduct water transmission among each other; the inside of the shell body is also provided with a motor connected with the two-way seawater hydraulic pressure pump, the motor controls the control system of the motor and the seawater electric magnetic valve in operations and the electric power supply for supplying electricity to every installation inside the shell body. The disclosed diving device buoyancy control and pressure compensation system, wherein the buoyancy control is converted from a closed form oil hydraulic pressure to an open form sea water hydraulic pressure, expands the scope of the buoyancy control, and increases the reliability and compatibility with environment.

The invention discloses a V-shaped empennage device suitable for a sea and air across amphibious unmanned aerial vehicle. The V-shaped empennage device comprises a left balance wing, a right balance ring, a left control rudder, a right control rudder, a left rudder pedal, a right rudder pedal, a first empennage steering engine, a second empennage steering engine, a left empennage connecting rod, a right empennage connecting rod, a front empennage bracket, a rear empennage bracket, a front empennage connecting rack and a rear empennage connecting rack, wherein the front empennage bracket, the rear empennage bracket, the front empennage connecting rack and the rear empennage connecting rack are in parallel and opposite to one another and are arranged on the left empennage connecting rod and the right empennage connecting rod; the left rudder pedal is arranged on the left control rudder; the right rudder pedal is arranged on the right control rudder; the first empennage steering engine is arranged on the left balance wing; and the second empennage steering engine is arranged on the right balance wing. Each steering engine of the empennage control rudder is provided with a sealing shell, so that the steering engine also can normally work under underwater navigation; forward power is provided by an underwater propeller, and the rudder angle of the V-shaped empennage control rudder is regulated to realize flotation, submergence and turning motion of the unmanned aerial vehicle; and moreover, during air flight, the rudder angle of the control rudder is regulated to realize climbing, diving and turning motion of the unmanned aerial vehicle.

The invention relates to a method for recycling valuable components from mixed slag containing nickel and iron. The method comprises the following steps: S1, mixing slag, namely adding nickel smeltingslag into a smelting reaction device, and adding one or more of lead smelting slag, blast furnace slag, steel slag and iron alloy slag, thus forming mixed slag; heating the mixed slag to be in a smelting state to be taken as reaction slag, mixing uniformly, monitoring the reaction slag in real time, and meanwhile, regulating to enable the mixed slag containing nickel and iron to meet conditions aand b simultaneously, thus obtaining the reacted slag; and S2, separating for recycling. According to the method, the mixed slag containing nickel and iron can be treated efficiently, so that the problems that a great amount of slag is accumulated to result in environment pollution and heavy metal pollution are solved, and the heavy metal components can be recycled.

The invention discloses a sinker and floater type wave power generation device. The sinker and floater type wave power generation device comprises a sinker and a floater connected with the sinker through a mooring cable. A main transmission shaft wound with the mooring cable is arranged in the floater and connected with a torsion spring component and a power generation unit. In the use state, the floater fluctuates and / or swings along with waves of the sea, and together with the sinker, generates a pulling force to the mooring cable; the mooring cable drives the main transmission shaft wound with the mooring cable to conduct compensatory rotation under the action of the pulling force, so that the winding mooring cable is released, and meanwhile, the rotating main transmission shaft drives the power generation unit to work for power generation; and after the exogenic action of waves of the sea disappears, the torsion spring component with stored energy drives the main transmission shaft to conduct restorative rotation, so that the mooring cable is wound and collected, and the power generation unit is driven to work for power generation.

The invention discloses diving equipment with a safe self-saved function for leisure and a self-saved method, and belongs to diving equipment. The diving equipment comprises three parts of a clothingunit, a backpack unit and a self-saved unit. The clothing unit comprises a diving suit and a flotage adjusting waistcoat, and the diving suit and the flatage adjusting waistcoat are attached to the body shape of a diving wearer; and the self-saved unit comprises a plurality of sensors for detecting arranged in the diving suit, a control module arranged in the shell body of a backpack, and a control watch worn on the wrist of the diving wearer. According to the diving equipment, physiological data of the diving wearer are detected by the sensors for detecting and sent to the control module to be compared with correlation data, when the difference values of the two groups of data reach threshold value, the control module automatically control a supply device or a gas generator to act, the volume of a commonly-used air bag or a standby air bag is expanded, thus it is guaranteed that the diving wearer up floats at the predetermined speed, and the rate of accidents of injuries and deaths caused by near drowning and excessive change in water pressure due to emergency situation occurring in the process of diving of divers is decreased.

The invention discloses a bionic robot fish. The bionic robot fish comprises a fish head, a fish body and a floating and diving mechanism. The floating and diving mechanism comprises a second water storage and drainage pot used for controlling the fish body to float and dive, an air storage pot connected with the second water storage and drainage pot and an air pump used for controlling air exchange between the air storage pot and the second water storage and drainage pot. The second water storage and drainage pot is installed in the middle portion of the fish body. According to the bionic robot fish, through the connection of the second water storage and drainage pot and the air storage pot, the second water storage and drainage pot is arranged in the middle portion of the fish body, and through the control of the air pump over the air conveying between the air storage pot and the second water storage and drainage pot, water storage and water drainage of the second water storage and drainage pot are achieved, so that floating and diving of the fish body of the bionic robot fish are further achieved; and the bionic robot fish is simple in structure and has a vivid bionic effect.

The invention discloses a construction process of an inner tank top plate in a low temperature storage tank and a construction process of the low temperature storage tank. The construction processes solve the problems that in the prior art, scaffolding needs to be erected for jacking of an inner tank top plate, and assembling of the inner tank top plate needs to be carried out at a high place. Theconstruction processes have the beneficial effects that the construction processes are reasonable, and the construction quality is safe and controllable. According to the scheme, the construction process of the inner tank top plate in the low temperature storage tank adopts a tank body hydraulic test to float the inner tank top plate to the installation position, and then the inner tank top plateis installed to the elevation position; and a lifting part is arranged, the lifting part is connected with an outer tank top plate and the inner tank top plate, and therefore the inner tank top plateis installed to the elevation position.

The invention provides an inflatable drainage type floating dock, which includes a buoyant tank, a dock wall and lifting equipment, the dock wall is arranged on both sides of the upper surface of the buoyant tank, several independent cabins are arranged in the buoyant tank, and the bottom of the buoyant tank is provided with The bottom plate and the cabin include a fully-sealed cabin and an inflatable drainage cabin. The bottom plate is provided with openings communicating with the inflatable drainage cabin; a compressed air drainage system is also provided, and the compressed air drainage system includes air pipelines and control systems; The air compressor, compressed air main pipe, compressed air branch pipe and cabin compressed air pipeline connected by road, the cabin compressed air pipeline is arranged in the described inflatable drainage cabin; the control system includes a pressure gauge arranged in the air pipeline , a flow meter, a flow limiting valve, and a controller, the output ends of the pressure gauge and the flow meter are connected to the controller, and the output ends of the controller are connected to the flow limiting valve. The invention has the advantages of simple structure, convenient construction, low cost and fast sinking / floating speed.

The invention relates to an aquaculture net cage elevating adjusting device and a gravity aquaculture net cage in open sea areas. A water storage floating bin and a water storage sinking bin of the aquaculture net cage elevating adjusting device communicate with each other to form a communicating vessel through a communicating pipe; the water storage floating bin communicates with the water storage sinking bin through a first water pipe and a second water pipe; the first water pipe controls a switch through an electromagnetic valve; a submersible pump is arranged in the water storage sinking bin; and the submersible pump is connected to the second water pipe, and fresh water in the water storage sinking bin can be sent to the water storage floating bin through the submersible pump. Multiple anchor cables of the gravity aquaculture net cage in open sea areas are distributed along the circumferential direction of a net cage body; the gravity aquaculture net cage in open sea areas corresponding to each anchor cable is provided with the aquaculture net cage elevating adjusting device; and the water storage floating bin of each aquaculture net cage elevating adjusting device is arrangedon the corresponding anchor cable, and the water storage sinking bin corresponding to each anchor cable is arranged at the bottom of the net cage body. The gravity aquaculture net cage can ensure thelong-term reliability of elevating adjustment of the gravity aquaculture net cage, and is simple in structure.

The invention discloses a circular-butterfly-shaped underwater glider, and relates to the field of underwater gliders. The underwater glider comprises a non-airtight circular-butterfly-shaped shell with the hydrodynamic performance, a spherical pressure-resistant shell with the certain pressure resistance and a connecting bracket of the pressure-resistant shell and the circular-butterfly-shaped shell. A mass center adjusting device and a buoyancy adjusting device which are required by gliding motion of the circular-butterfly-shaped underwater glider are carried in the spherical pressure-resistant shell. On the basis of the symmetrical structure of the glider main body, the same hydrodynamic performance is achieved in all directions during underwater gliding, the gravity center of the glider is changed by changing the position of the heavy block through the mass center adjusting device, the buoyancy of the glider is adjusted through the buoyancy adjusting device, upward floating and sinking of the glider are achieved, and gliding motion of the glider is achieved through linkage of the two adjusting systems. The underwater glider can achieve omnidirectional movement underwater, is small in underwater turning radius, has high loading and expanding capacity, and can meet different underwater tasks.

A contamination-free bacterium culture device for a clinical lab comprises a box body. The upper portion of the box body is opened. A top cover is hinged to the top face of the box body. The bottom face of the top cover can make contact with and be matched with the top face of the box body. A cylinder is arranged in the box body. The upper portion of the cylinder is opened. A culture dish can be placed in the cylinder. The periphery of the culture dish can make contact with and be matched with the cylinder. A plurality of parallel bearing inner rings are fixedly connected with the periphery ofthe cylinder. Bearing outer rings are fixedly connected with the inner wall of the box body. By pushing a U-shaped rod, a vertical rod can be kept still, and oxygen injection is avoided; bacterium cells in the culture dish can float up by means of a pure mechanical structure, no energy is consumed, and energy conservation and environment protection are better achieved; the culture dish does not make contact with the external environment in the period, the cultured bacterium cells are prevented from being affected by the external environment, and the culture result accuracy is ensured; duringbacterium culture of the clinical lab, operation is flexible, use is convenient, the burdens of medical staff can be relieved, and the contamination-free bacterium culture device is suitable for use and popularization.

The invention discloses a small multifunctional underwater robot and a working method thereof. The robot comprises a shell, an electric control module, a double-propeller propelling mechanism, a buoyancy lifting mechanism, a posture adjusting mechanism and a temperature difference power generation device. The electric control module, the buoyancy lifting mechanism, the posture adjusting mechanismand the thermoelectric power generation device are located in the shell, and the double-propeller propelling mechanism is located outside the shell. The electric control module comprises an intelligent controller and a battery. The method comprises a diving and floating mode, an advancing and retreating mode, a turning mode, a gravity center adjusting mode and a temperature difference power generation mode. The buoyancy lifting mechanism works in the diving and floating modes, the double-propeller propelling mechanism works in the advancing and retreating modes and the turning mode, the posture adjusting mechanism works in the gravity center adjusting mode, and the temperature difference power generation device works in the temperature difference power generation mode. The robot further has an underwater automatic obstacle avoidance function, detection modules with different functions can be carried according to actual task requirements, and specific tasks such as underwater observation, exploration and aerial photography can be completed in a complex environment.

The invention discloses a floating and sinking device for a bionic robotic fish and the bionic robotic fish. The floating and sinking device comprises a base plate and floating and sinking parts. The floating and sinking parts are symmetrically arranged on the two side surfaces of the base plate. Each floating and sinking part comprises a dielectric elastomer film layer, an electrode layer, a conductive assembly and an elastic assembly. The dielectric elastomer film layer is arranged on the base plate, and an arc-shaped first cavity is formed between the dielectric elastomer film layer and the base plate; the electrode layer wraps the dielectric elastomer film layer; the conductive component is electrically connected with the electrode layer; and one end of the elastic assembly is arranged on the base plate, and the other end is connected to the dielectric elastomer film layer. According to the floating and sinking device for the bionic robotic fish, the size of the floating and sinking device can be changed by controlling a voltage value of an external power source connected to the conductive assembly so as to change the buoyancy of water borne by the bionic robotic fish, and then the floating, floating stopping and sinking actions of the bionic robotic fish are achieved. Therefore, the floating and sinking principle similar to that of fishes is achieved, and the bionic performance of the floating and sinking device is better.

The invention provides a molten steel feeding system used for preparing amorphous strips. The molten steel feeding system comprises a resistance heating tundish and an induction heating nozzle bag, wherein the resistance heating tundish is used for receiving molten steel and purifying the molten steel; the induction heating nozzle bag is arranged below the resistance heating tundish, used for receiving the molten steel injected by the resistance heating tundish and used for conducting temperature regulating on the molten steel; and a nozzle is arranged below the induction heating nozzle bag and used for pouring of the molten steel. By means of the molten steel feeding system used for preparing the amorphous strips, inclusions in the molten steel can float up so as to achieve the aim of purifying the molten steel; and meanwhile, the temperature of the molten steel can be rapidly adjusted, and the temperature needed for preparing the amorphous strips is achieved.

The invention discloses a cylinder sleeve pressing head device, and belongs to the field of cylinder sleeve press fitting tools. The cylinder sleeve pressing head device comprises a guiding block, a pressing head body, a guiding sleeve, an oil cylinder piston rod, an adjusting screw seat and a conical shaft, wherein the lower portion of the conical shaft is connected with the adjusting screw seat after penetrating in the guiding block; the lower portion of the guiding block is in the shape of an inverted cone; the lower portion of the pressing head body is connected with the guiding block through the upper portion of the conical shaft; the outer diameter of the lower portion of the pressing head body is the same with that of the guiding block when the pressing head body is in a contraction state; and the upper portion of the pressing head body is connected with the guiding sleeve through the oil cylinder piston rod. The cylinder sleeve pressing head device has the advantages that a cylinder sleeve cannot be out of round while the cylinder sleeve pressing head device takes materials automatically, a function of automatic centering can be realized, namely, the pressing head can be ensured to be pressed in the cylinder sleeve, and the cylinder sleeve can also be ensured to be accurately pressed in a cylinder body; and moreover, the pressure change condition can be timely and automatically fed back in a sleeve pressing process, can be monitored in real time, and then is controlled in real time.

The invention discloses wood product deburring equipment. Multiple step holes are formed in a floating base; each step hole communicates with a center hole of the floating base; ejector rods are inserted in the step holes, and the front ends of the ejector rods extend out of the step holes to butt against a rotating shaft of a second motor; ejector rod retainer rings are formed on the ejector rods, and are pressed on steps of the step holes; springs are inserted in the step holes; one ends of the springs are pressed on the retainer rings, and the other ends are pressed on hole covers; the hole covers are fixedly screwed into the step holes; rope tightening piles are formed or fixed on slide blocks; wood products are fixedly bound on the slide blocks through ropes; the slide blocks on the left side of a box are opposite to elastic friction rollers; and the slide blocks on the right side of the box are opposite to grinding wheels. The grinding wheels for deburring have a certain floatability after being mounted on the motors; and during deburring, the wood products are fixed on the slide bases for polishing without holding by human hands, so that accidents are prevented.

The invention belongs to the technical field of tools, and particularly relates to a positioning press fitting mechanism of a compressor shell bearing automatic press fitting machine. The positioningpress fitting mechanism of the compressor shell bearing automatic press fitting machine comprises a support, a bearing on a pressure head is pressed into a bearing sleeve at the bottom of an air conditioner compressor shell, a mortise mark pressure head on the pressure head carries out mortise mark pressure on the bearing sleeve, a floating joint is arranged between a pressure plate and an oil liquid pressurizing cylinder, and a pressure sensor is arranged on the pressure plate and is used for outputting pressure data. The mechanism has the beneficial effects that a mechanical mechanism executes shell bearing automatic press fitting, meanwhile, automatic bearing sleeve mortise mark pressure operation is achieved, a bearing is held tightly, production efficiency is greatly improved, the automatic assembling process of an air conditioner compressor is optimized, the service life of the compressor is ensured, and the cost is saved.

The invention discloses a treatment device for waste water and waste gas in a river channel. The treatment device comprises a submerged diving chamber, a cabinet, a solid treating chamber, a water treating chamber, a screw propeller, floating-sinking chambers, floating-sinking units, floating-sinking push plates, crawler wheels, a driving unit, a flow assisting pump, a filter channel, etc., wherein the bottom part of the submerged diving chamber is provided with a plurality of floating-sinking chambers; the interior of each floating-sinking chamber is provided with a floating-sinking unit; andthe upper part of each floating-sinking chamber is provided with a mounting through hole. The treatment device for the waste water and the waste gas in the river channel has the following advantages:through arrangement of the crawler wheels, walking on a variety of terrains is realized; through arrangement of the screw propeller, advancement of the submerged diving chamber in water is realized;through arrangement of the floating-sinking units, floating and sinking of the submerged diving chamber are realized; through the solid treating unit, filtration and collection of solid wastes in thewater are realized; and through a waste water purifying unit, filtration and purification of the waste water are realized; and through a waste gas purifying unit, absorption and purification of the waste gas are realized.

The invention belongs to the technical field of amphibious propellers, and particularly relates to a flexible undulating fin bionic submersible vehicle. A bionic undulating fin structure is adopted, undulating fins which are bionic from rays and deep sea hairtail are combined, high-elasticity silica gel is adopted as a material, high ductility is achieved, and the propelling system has the advantages of being excellent in maneuverability, low in hydrodynamic noise, easy in bionic transformation, high in terrain trafficability, capable of working in limited channels and other ocean operations. A mechanical structure of the bionic propeller adopts a steering engine-connecting rod-bionic undulating fin connecting mode, the side faces of steering engines are fixed to a thickness structure reserved on a main body part of the bionic propeller, the undulating fins can be controlled to swing through multiple steering engine swing amplitudes and steering drive, the functions of steering, acceleration, floating, sinking, braking and the like are achieved, and the bionic propeller can better adapt to the complex underwater environment.

A mixed line-driven continuous bionic robot tuna comprises a head part, an abdomen part and a tail part which are connected in sequence, and a pectoral fin rotating module is installed on the abdomen part and used for achieving ascending, descending and rolling movement of the mixed line-driven continuous bionic robot tuna on the vertical plane; the tail part is provided with a line driving module and a propeller propelling module, and the line driving module is used for realizing a fish-like propelling mode of the mixed line driving continuous bionic machine tuna; the propeller propelling module is used for providing a continuous thrust for the mixed line drive continuous bionic machine tuna during straight swimming motion and providing steering torque for the mixed line drive continuous bionic machine tuna during steering. And therefore, the wind-wave-resistant propelling motion and high-maneuverability steering motion of the mixed-line-driven continuous bionic machine tuna in the ocean are realized. The hybrid line-driven continuous bionic machine tuna provided by the invention has the advantages of high bionic property, high speed, high maneuverability and the like.

The invention discloses a bionic robotic fish which comprises a fish head, a fish body and a surfacing-diving mechanism, wherein the surfacing-diving mechanism comprises a first water storage drainage tank for controlling the fish head to surface or dive, a gas storage tank connected with the first water storage drainage tank, and a gas pump for controlling gas exchange between the gas storage tank and first water storage drainage tank; the first water storage drainage tank is installed on the front of the fish body. The first water storage drainage tank of the bionic robotic fish is connected with the gas storage tank, and the gas pump is utilized to control the gas transmission between the gas storage tank and first water storage drainage tank, thereby implementing water storage and drainage of the first water storage drainage tank, and further implementing surfacing and diving of the fish head of the bionic robotic fish. The bionic robotic fish is simple in structure, and has the realistic bionic effect.

Disclosed is a mould manufacturing device with a screw thread protection function. The mould manufacturing device with the screw thread protection function comprises a rack (9), a movable male die (8) which is opposite to a female die (91) arranged at the bottom of the rack (9) and is circumferentially fixed and axially movable in a bottom inner cavity (90) of the rack (9), and a connecting bearing column (7). The lower end of the connecting bearing column (7) is connected with the movable male die (8) through a lower elastic connecting part (78). The movable male die (8) and the connecting bearing column (7) are circumferentially fixed through multiple male die extending parts (81) which are fixedly arranged on the upper surface and slidably extend into the connecting bearing column (7). The upper end of the connecting bearing column (7) is connected with a screw thread block (6) through an upper elastic connecting part (76), and the screw thread block is in screw thread fit with the inside of a screw thread sleeve (5).

The invention discloses a biomimetic robotic fish. The biomimetic robotic fish comprises a fish head, a fish body, a floating and diving mechanism and a control system. The floating and diving mechanism comprises a first storing-discharging water tank, an air storing tank connected with the first storing-discharging water tank and an air pump, and the first storing-discharging water tank is installed in the front of the fish body. The control system comprises a microprocessor connected with the air pump and a wireless signal receiver connected with the microprocessor, the wireless signal receiver is used for receiving wireless remote control signals and sending the wireless remote control signals to the microprocessor, and when the microprocessor judges that the movement mode represented through the wireless remote control signals is the fish-head floating movement mode or the fish-head diving movement mode, the air pump is controlled to discharge gas in the first storing-discharging water tank into an air storing cylinder, or the air pump is controlled to discharge gas in the air storing cylinder into the first storing-discharging water tank. By means of the biomimetic robotic fish, fish-head floating and fish-head sinking of the biomimetic robotic fish can be conveniently achieved, and the structure is simple. The invention further relates to a fish-head floating and sinking control method of the biomimetic robotic fish.

The invention discloses a power generation system utilizing still water and air resources. The power generation system comprises a buoyancy water absorbing power generation platform and a water collecting pool; the buoyancy water absorbing power generation platform comprises a first water storage tank, a first air storage tank, a first air generator and a high-pressure drainage water collection tank; the first water storage tank is arranged in the water in a floating manner and connected with a first air compressor, and a first internal heating device is arranged in the first water storage tank; the first air storage tank is connected with the first water storage tank through a gas input pipe, the first water storage tank is also connected with the first air generator through a gas outputpipe, the first water storage tank is connected with the high-pressure drainage water collection tank through a drainage pipe, and the drainage pipe extends to the bottom of the first water storage tank; the high-pressure drainage water collection tank is connected with the water collecting pool through a lifting pipe, and the high-pressure drainage water collection tank is arranged on the ground.According to the invention, buoyancy, gravity and high-pressure gas are effectively utilized for power generation, and the function of a water pump is simultaneously completed, so that the purpose ofwater storage and power generation is achieved, and the resource utilization rate is improved.

The invention provides a mold capable of being intelligently controlled. The mold comprises a rack (9), a movable convex mold (8) and a connection bearing column (7), wherein movable convex mold (8) is opposite to a concave mold (91) arranged at the bottom of the rack (9), is fixed in an inner cavity (90) at the bottom of the rack (9) in the peripheral direction and is movable in the axial direction; wherein the lower end of the connection bearing column (7) is connected with the movable convex mold (8) through a lower elastic connection piece (78); the movable convex mold (8) is fixedly arranged on the upper surface and stretches into a plurality of convex mold extending parts (81) in the connection bearing column (7) in a slidable manner, so as to be fixed with the connection bearing column (7) in the peripheral direction; the upper end of the connection bearing column (7) is connected with a thread block (6), which is in thread match in a thread sleeve (5), through an upper elastic connection piece (76).

The invention discloses a sinking device based on an intelligent soft material. The sinking device comprises a sinking chamber, wherein the sinking chamber comprises a sealed bottle with an opening at one end; a driving film is sealed at the opening; air is filled in the sinking chamber, so that the driving film can expand and form into a changeable space; an air pressure sensor, an acceleration sensor, a controller and a power supply are arranged in the sinking chamber; the air pressure sensor is used for monitoring an air pressure value in the sinking chamber and sending the air pressure value to the controller; the acceleration sensor is used for monitoring the motion state of the sinking chamber and sending the motion state to the controller; the controller is used for receiving and processing the monitoring information of the air pressure sensor and the acceleration sensor and outputting control information for controlling the deformation of the driving film; and the power supply is used for supplying power to the driving film, the air pressure sensor, the acceleration sensor and the controller. The sinking device has the advantages of small volume, simple structure, high control precision and low noise.

The invention discloses cofferdam equipment applied to a diversion canal and an assembly method thereof. The cofferdam equipment comprises a longitudinal cofferdam, transverse cofferdams, a power boat, anchoring devices and supporting trusses, wherein the longitudinal cofferdam is pressed on a canal bottom lining board; the transverse cofferdams are pressed on a canal slope lining board and are separately connected to the two ends of the longitudinal cofferdam to form a U-shaped cofferdam; the restored board to be lined of the diversion canal is positioned within an envelope range of the U-shaped cofferdam; the two supporting trusses are separately mounted between the two transverse cofferdams; the two or more anchoring devices are fixedly arranged on a canal embankment; each anchoring device is connected to the longitudinal cofferdam or the transverse cofferdams through anchoring chains; and the power boat is positioned at the water side of the longitudinal cofferdam. The longitudinalcofferdam and the transverse cofferdams are assembled on water, are injected with water to sink, are positioned by the anchoring chains, float after water pumping, and are dismounted, so that zero emission of the canal can be realized.

The invention discloses thread driven mold equipment which comprises a machine frame (9), a movable male die (8) and a connecting bearing column (7). The movable male die (8) is opposite to a female die (91) arranged at the bottom of the machine frame (9), and is fixed in the circumferential direction and movable in the axial direction in an inner cavity (90) at the bottom of the machine frame (9). The lower end of the connecting bearing column (7) is connected with the movable male die (8) through a lower elastic connecting piece (78). The movable male die (8) and the connecting bearing column (7) are fixed in the circumferential direction due to the fact that the upper surface of the movable male die (8) is fixedly provided with a plurality of male die extending portions (81) capable of extending into the connecting bearing column (7) in a slidable mode. The upper end of the connecting bearing column (7) is connected with a threaded block (6) through an upper elastic connecting piece (76), wherein the threaded block (6) is arranged in a threaded casing pipe (5) in a threaded fit mode.