138results about How to "Stable floating" patented technology

A MEMS structure includes a floating space formed on the upper silicon layer by a first dry etching, and then dry etched to a predeterminded depth on the lower silicon layer by etching gas supplied through the etched holes from which the oxide film has been removed at the bottom surface thereof in a second dry etching process, so as to float the movable portion; and the oxide film for preventing electrical short circuit remaining on the lower surface of the movable portion so as to correspond to the lower silicon layer leaving the floating space therebetween.

The invention discloses an oil absorption material using cellulose as a base and a preparation method thereof. The preparation method comprises the following steps: pretreating the raw material corn straws with sodium hydroxide and sodium hypochlorite to extract cellulose, and carrying out acetylation modification on the cellulose with acetic anhydride to obtain the natural high-efficiency oil absorption material. The technical scheme disclosed by the invention has efficient adsorption effect on marine oil spill; the oil absorption rate can reach more than 60 times; and the preparation method has the advantages of simple process and easy recovery.

A nectar feeder for hummingbirds comprises a container, base tray, a base tray cover, a float, and a stopper thereon. The container, or bottle, is used for storing nectar feed. An exit port is defined on the bottom end of the container. The base tray is connected in fluid communication with the container and has at least one vertical member depending upwardly from a top surface of the base tray. A circumferential flange or ring is provided about the float for stabilization. The float engages the at least one vertical member to prevent substantial independent lateral movement of the float. In operation, the nectar feed flows through the container and into the base tray until the float rises to a level where the stopper mechanism engages the exit port to prevent fluid from flowing into the base tray.

The invention provides a buoy mechanism for marine environment monitoring, and relates to the field of buoys. The buoy mechanism for marine environment monitoring comprises a base, a signal transmitter and a wind speed monitor, a support is fixedly connected to the top face of the base, a solar power generation panel is fixedly connected to the outer surface of the support, an annular water pipe is fixedly connected to the outer surface of the base, a spraying opening is formed in the bottom face of the annular water pipe, a booster pump is fixedly connected to one side of the inner bottom wall of the base, and the input end of the booster pump fixedly communicates with a water inlet pipe. A telescopic mechanism, a connecting pipe and an air bag are arranged. By arranging a booster pump, awater inlet pipe, a water discharging pipe, a spraying opening and an annular water pipe, the problems that organisms are attached to the outer surface of the base for a long time, and the service life of the base is shortened are solved, meanwhile, the base can be cooled, and the service life of equipment in the base is prolonged.

A magnetic recording medium for use in digital magnetic recording, which comprises a nonmagnetic substrate having deposited thereon a magnetic layer, wherein with respect to the in-plane direction, the magnetic recording layer comprises a plurality of ferromagnetic regions separated from each other by an antiferromagnetic region. A production method of the magnetic recording medium and a magnetic disc apparatus are also disclosed.

The invention discloses an offshore floating platform and belongs to the technical field of offshore operations. The offshore floating platform comprises a test platform, a buoyancy structure, a shaking reduction and swinging preventing structure and an mooring structure, wherein the test platform, the buoyancy structure and the shaking reduction and swinging preventing structure are sequentially connected from top to bottom, one end of the mooring structure is connected with the shaking reduction and swinging preventing structure, the other end of the mooring structure is disposed on the sea bed. The offshore floating platform has the advantages that the buoyancy structure is disposed below the test platform to allow the test platform to be able to float on the sea, the test platform needs not to be supported by other structures, the test platform can constantly float on the sea during tide rising or tide falling, the situation that the test platform is submerged by the sea surface or the sea surface is much lower than the test platform is avoided, influence of the heave of the waves on the test platform can be reduced by the shaking reduction and swinging preventing structure, the small-sized test platform can stably float on the sea, and the offshore floating platform is applicable to small-scale offshore operations.

The invention discloses a floating aquatic plant cutting, collecting and defouling device comprising a device body; the device body comprises a floating body framework, a cutting knife device, a collecting device, a defouling device and a traveling device; a shaft of each device is fixedly arranged on a floating body and can rotate under the drive of a direct-current motor by virtue of a bearing;an electric push rod is connected with the floating body and a reciprocating cutting knife system and is also connected with a screw blade conveyor system and the floating body; and the electric pushrod is located at the rear of the device to ensure that the center of gravity of the device is located in the center so that the device is convenient to move and float. The device is produced according to the principle of bilateral symmetry, and it is ensured that the center of gravity of the device is located in the middle of the device, so that the device can stably float on a water surface; andreciprocating cutting knives have buffering functions so as to be wider in use range. The device has the advantages of simple and convenient structure and simplicity in operation and is capable of realizing control on each part by controlling a remote controller, suitable for clearing aquatic plants in a small water area and capable of greatly increasing the work efficiency.

The invention discloses a microalgae culture system, a cavity type photobioreactor and a microalgae culture method. The culture system comprises the photobioreactor capable of containing a culture solution and microalgae. The photobioreactor is in a closed type. The wall of the photobioreactor is a sealed body with a hollow sandwich structure, and / or the wall of the photobioreactor is made of a light heat insulation material. The photobioreactor is provided with a ventilation structure. The culture solution contains bicarbonate. By adopting the system for culturing the microalgae, heat exchange between the photobioreactor and a water environment where the photobioreactor is located can be well controlled, the culture temperature in the photobioreactor can be kept higher than the temperature of the water where the photobioreactor is located so as to increase the growth speed of the microalgae, but the situation that the culture temperature is too high and leads to death of the cultured microalgae will not occur. The culture method is simple, low in cost, high in culture efficiency and suitable for industrial application.

The invention discloses online positioning multi-parameter water quality monitoring equipment. The water quality monitoring equipment comprises a mounting base, a GPRS wireless transmission module, amulti-parameter water quality monitor and a storage battery; a top seat is fixed on the upper end surface of the mounting base; a solar panel is mounted on the outer side of the top seat; the GPRS wireless transmission module, the multi-parameter water quality monitor and the storage battery are respectively fixed in the mounting base from left to right; a monitoring probe is connected to the endof the multi-parameter water quality monitor, a guide rod is connected to the inner wall of a base through a shaft, a limiting groove is reserved in the inner wall of a support, a pull rope is wound around the guide rod, one end of the pull rope is fixedly connected with a floating strip, and the other end of the pull rope penetrates through the bottom of the base to be connected with a fixed anchor. The online positioning multi-parameter water quality monitoring equipment can be stably used as a whole and is prevented from being affected by water flow impact and strong wind, and meanwhile filtering, water changing and automatic cleaning are achieved through impact force of water flow.

The invention relates to the technical field of wave prevention, in particular to an opened wave dissipation component structure comprising an opened component (1), a float unit (2) and a porous opened floating plate (3). The float unit (2) is installed on the opened component (1) to allow the opened component (1) to float on the water surface; the porous opened floating plate (3) is installed in the opened component (1) horizontally and is capable of swinging vertically. By the aid of the structure, the wave force can be reduced greatly, structure is simple, cost is low, and installation and operation are facilitated.

A MEMS structure includes a floating space formed on the upper silicon layer by a first dry etching, and then dry etched to a predeterminded depth on the lower silicon layer by etching gas supplied through the etched holes from which the oxide film has been removed at the bottom surface thereof in a second dry etching process, so as to float the movable portion; and the oxide film for preventing electrical short circuit remaining on the lower surface of the movable portion so as to correspond to the lower silicon layer leaving the floating space therebetween.

A magnetic recording medium for use in digital magnetic recording, which comprises a nonmagnetic substrate having deposited thereon a magnetic layer, wherein with respect to the in-plane direction, the magnetic recording layer comprises a plurality of ferromagnetic regions separated from each other by an antiferromagnetic region. A production method of the magnetic recording medium and a magnetic disc apparatus are also disclosed.

The invention discloses a steadily floating operating boat for hydraulic engineering. The steadily floating operating boat comprises a boat body, wherein a first motor is fixed in the middle of the boat body; the first motor is connected with an eccentric block; the eccentric block is driven by the first motor to rotate; a push plate is arranged behind the first motor; an arch-shaped groove is formed in one side facing to the push plate, of the first motor; the outer end edge of the eccentric block is leaned to the arch-shaped groove to exert thrust force; sliding columns are arranged on one side, opposite to the arch-shaped groove, of the push plate; the boat body is further provided with sliding grooves matched with the sliding columns; springs which are propped against end parts of the sliding columns are arranged in the sliding grooves; the sliding grooves are further provided with limiting blocks for limiting the sliding columns so as to prevent the sliding columns from sliding off the sliding grooves; driving components are arranged in symmetry on two sides of the boat body. The boat body is thrust through reciprocating motion of a driving plate, so that the technical problem that in the prior art the propellers of the boat body can be blocked by weeds is avoided, and the steadily floating operating boat is reasonable in structural design and good in practicability.

The invention discloses a suspension type water surface greening module. The module comprises artificial floating blocks which are made from floaters, mesh lines and composite borders; the composite borders are fixed through L-shaped internal embedded block bolts and L-shaped external embedded block bolts, 1-3 rows of meshes are formed in the composite borders, the mesh lines penetrate through themeshes and cross holes formed in the centers of the floaters and make the floaters fixed at junctions of threading, and plants are planted on the artificial floating blocks which are slowly put flatin water; by means of sinkers hung on the four corners of the artificial floating blocks, roots of the plants in the artificial floating blocks touch the water. The invention further provides a methodfor cultivating and planting the plants by means of the suspension type water surface greening module. The module and the method have the advantages that environmental pollution is reduced, the wateris purified and improved, and comprehensive purification of the environment is facilitated; building operability is high, plant replacing and harvesting are easy, floating bed floating is stable, thewater attaching property is high, and the module is not likely to fall under wind and waves.

The invention discloses a flap gate floating control method; a flap gate is a P-shaped structural gate; before installation, the whole gate needs to be floated horizontally, and the gate is installed by being dragged to a specified position; floating conditions can be met through a certain adjustment method, all the holes on the upper surface of the gate need to be plugged and air inlets need to be added; a certain air is exhausted from a lower part by pumping different cabins of the gate, so that a certain air is left in the cabins of the gate, buoyancy is generated, the buoyancy which is generated by the gate is more than the self-weight of the gate; and the buoyancy of all the cabins is adjusted by controlling an air inlet valve, so that the balance is adjusted, and the gate meets floating requirements as expected.

The invention provides a nearby emergency oil containment boom for ship body damaged oil spillage. The nearby emergency oil containment boom comprises two parts, namely a self-inflating oil containment boom main body and electromagnetic absorption type ship body connectors. The self-inflating oil containment boom main body is composed of a plurality of oil containment boom units of a hard structure; for storage, various units can be folded mutually to occupy a tiny space and thus can be readily carried on a ship to cope with emergencies. The self-inflating oil containment boom main body is connected with fast joints of two electromagnetic absorption type ship body connectors through fast joints on the two ends of the self-inflating oil containment boom main body, respectively; the two connectors are fixed in appropriate positions on the two sides of a ship body damaged position. In case of a ship accident, the nearby emergency oil containment boom for ship body damaged oil spillage is capable of quickly containing a water surface within a nearby distance range of the ship body damaged position; in case of oil spillage, oil spillage can be contained within a small distance range nearby the ship body. The nearby emergency oil containment boom for ship body damaged oil spillage can be laid in two manners: one is a conventional stretching laying manner, while the other one is a semi-folding oil containment boom unit stretchable laying manner.

The invention discloses an anti-rollover biological floating bed for river regulation and an implementation method thereof. The anti-rollover biological floating bed for river regulation comprises a floating mechanism and a protection mechanism, arc-shaped baffles are installed on the two sides of a floating bed body, and air inducing grooves are formed in the upper ends of the sides, away from the floating bed body, of the arc-shaped baffles; and the arc-shaped baffles can shield the floating bed body and planting baskets, the air inducing grooves enable shielded wind power or wave water to flow out through the air inducing grooves, a balancing weight and a gravel layer are arranged at the bottom end of the inner cavity of a semicircular base, and a foam filling layer and a sealing hollow layer are arranged at the upper end of the inner cavity of the semicircular base. Therefore, the lower end of the semicircular base is heavy, and the upper end of the semicircular base is light. According to the principle of a tumbler, the semicircular base and the floating bed body cannot be blown over, so that the floating bed body keeps stable on a river channel, an impurity collecting box collects floating garbage on the water surface through a collecting empty groove, and a limiting baffle can block the floating garbage on the river channel, so that the floating garbage moves downwards to enter the inner side of the collecting empty groove.

The invention discloses an unmanned aerial vehicle. The unmanned aerial vehicle comprises a body, a plurality of foot rests and a plurality of hollow airbag foot pads, and the plurality of foot restsare arranged at the bottom of the body; and the plurality of airbag foot pads are respectively arranged at the bottoms of the plurality of foot rests, every airbag foot pad is filled with a filling gas, and the density of the filling gas is less than the density of air. The airbag foot pads filled with the filling gas are arranged at the bottoms of the foot rests of the unmanned aerial vehicle toprovide an upward force for the unmanned aerial vehicle, so the flight time of the unmanned aerial vehicle is effectively prolonged; and when the unmanned aerial vehicle lands on the water surface, the unmanned aerial vehicle can stably float on the water, and water is prevented from entering the unmanned aerial vehicle. Additionally, the contact area between the unmanned aerial vehicle and the ground or the water surface is increased, and the impact force of the ground or the water on the unmanned aerial vehicle is effectively reduced, so the unmanned aerial vehicle is effectively protected,and the reliability of the unmanned aerial vehicle is improved.

The invention discloses a solar bracket unit. The solar bracket unit can float on the water surface and comprises a base and a bracket for placing a solar cell panel, wherein the bracket is fixed on the base. According to the solar bracket unit disclosed by the embodiment of the invention, as the solar bracket unit can float on the water surface, the solar bracket unit can be applied to ponds, rivers and even oceans, the applicable range of the solar cell panel is expanded, and the development space of solar power generation is further increased. The invention also discloses a solar cell module with the solar bracket unit.

The invention discloses an efficient adaptive robot for mountain forest. The efficient adaptive robot comprises a mounting plate, a two-way electric push rod is fixedly mounted in the middle of the bottom face of the mounting plate, T-shaped frames are fixedly mounted at the two ends of the two-way electric push rod, connecting plates are welded to the two ends of each T-shaped frame, and clamping wheels are movably mounted at one ends of the connecting plates; and the outer sides of the two clamping wheels are connected through a crawler belt, a rotating shaft is movably installed in one end of the driving shaft, and a pushing column is installed at one end of the rotating shaft through a screw.Compared with the prior art, the robot disclosed by the invention has the beneficial effects that the two-way electric push rod, the T-shaped frame, the clamping wheels, the crawler belt and the circular wheels are used, round wheels can be used on a smooth zone and a road surface, moving operation of the robot is facilitated, the moving speed of the robot on the smooth zone and the road surface is increased, damage to the road surface during walking of a crawler belt is avoided, the crawler belt is used on an uphill zone and an unsmooth zone, the road holding force of the robot is increased, and the robot can conveniently uphill and walk.

The invention discloses super-hydrophobic silicon-oxide hybridized graphene aerogel micropowder and a preparation method and application thereof. The super-hydrophobic silicon-oxide hybridized graphene aerogel micropowder comprises silicon oxide nanoparticles and a continuous three-dimensional porous network structure formed by a graphene sheet layer; the three-dimensional porous network structurecomprises micropores, mesoporous and macropores, and the silicon oxide nanoparticles are at least distributed on two sides of the graphene sheet layer. The preparation method of the super-hydrophobicsilicon-oxide hybridized graphene aerogel micropowder includes: providing bulk graphene hydrogels to acquire graphene alcogel particles; preparing silicon-oxide hybridized graphene alcogel particles;preparing super-hydrophobic silicon-oxide hybridized graphene alcogel particles; preparing the super-hydrophobic silicon-oxide hybridized graphene aerogel micropowder. Compared with the prior art, the super-hydrophobic silicon-oxide hybridized graphene aerogel micropowder is small in size, low in intensity, good in hydrophobicity and chemical stability, simple in preparation process, moderate andcontrollable in reaction conditions and wide in application prospect.

A method of manufacturing an optical fiber includes drawing an optical fiber preform and forming a bare optical fiber, disposing a coating layer formed of a resin on an outer circumference of the bare optical fiber, and curing the coating layer and obtaining an optical fiber. A direction of the bare optical fiber is changed by a direction changer in any position from drawing the optical fiber to disposing the coating layer, and the direction changer includes a guide groove which guides the bare optical fiber,

The invention relates to the technical field of new energy, and provides a crab claw semi-submersible floating type wind-solar complementary hydrogen-oxygen fishing and grazing combined production system. The crab claw semi-submersible floating type wind-solar complementary hydrogen-oxygen fishing and grazing combined production system comprises a crab claw semi-submersible floating type platformmechanism, a wind-solar power generation mechanism, an eletrolysis water hydrogen-oxygen making mechanism and a hydrogen-oxygen utilizing mechanism, wherein a fishing and grazing farm is arranged on the bottom side of the crab claw semi-submersible floating type platform mechanism; the wind-solar power generation mechanism is arranged on the upper side of the crab claw semi-submersible floating type platform mechanism; the wind-solar power generation mechanism is connected with the eletrolysis water hydrogen-oxygen making mechanism; and the hydrogen-oxygen utilizing mechanism is connected withthe eletrolysis water hydrogen-oxygen making mechanism. Wind-solar integrated power generation is adopted to provide electric energy for the eletrolysis water hydrogen-oxygen making mechanism, so that the hydrogen making cost is reduced; the fishing farm is arranged on the bottom side of the crab claw semi-submersible floating type platform mechanism to form the combined production system, and the system is tight in cooperation, compact in layout, stable in offshore floating, energy-saving, environmentally friendly, and capable of realizing ecological integration.

The invention provides an environment monitoring water quality sampling device with a specific water sampling depth and relates to the field of environment monitoring equipment. The environment monitoring water quality sampling device with the specific water sampling depth comprises a tank body, wherein a base is adhered to the bottom of the tank body; an inner convex is arranged in one side of the tank body; a side cover is moveably mounted at the inner convex through a hinge; a stabilizing mechanism is arranged inside the tank body; an extending tube is clamped at a covered part of the sidecover, on the side wall of the tank body through a clamping ring; outer threads are formed in the outer wall of one end of the extending tube; a connecting head matched with the outer thr3eads is connected with the other end of the extending tube. According to the environment monitoring water quality sampling device with the specific water sampling depth, water is discharged out from a water outlet tube by using a water pump, impurities in the water are washed, meanwhile water which is taken by a water inlet tube inserted into the water at a specific depth is also discharged, a plugging plateis driven to rise by an electronic telescopic rod, the water flows into a water collection bottle through a bottom tube, then water sampling can be completed, and water quality sampling at the specific depth can be ensured.

The invention relates to a sensor mounting clamp, in particular to a water quality monitoring buoy sensor mounting clamp, and belongs to the technical field of water quality monitoring devices. The water quality monitoring buoy sensor mounting clamp is characterized by comprising an upper clamp and a lower clamp which have the same structure, wherein the upper clamp and the lower clamp are provided with clamping rings (4) for clamping the upper part and the lower part of a sensor (2); the sensor is hooped by a locking mechanism (6) and the hooping degree is adjusted; a plurality of lug handles (3) are arranged on the peripheries of the upper clamp and the lower clamp respectively; a horizontal floating body (1) is arranged between the upper clamp and the lower clamp; the lug handles (3) are adhered to the floating body (1); vertical bolts penetrate through the floating body (1) to connect and fix the corresponding upper and lower lug handles (3); the upper end of the sensor (2) is connected with a control cabinet (14) on a bank through a cable (13).

The invention discloses a water surface photovoltaic supporting device. An outer pile barrel is arranged on a grouting foundation pile, an inner pile barrel is sleeved with the outer pile barrel, the inner pile barrel can slide up and down along the outer pile barrel, a supporting assembly is connected to the top of the inner pile barrel, and a plurality of inclined rods are arranged between the side face of the inner pile barrel and the supporting assembly at intervals; a plurality of buoys are fixedly arranged on the side face of the supporting assembly, an angle adjusting assembly is arranged at the top of the supporting assembly, and the photovoltaic assembly is fixedly installed on the angle adjusting assembly. Stable fixation of the water surface photovoltaic module can be fully ensured, the action of heavy pressure is reduced through elastic support, the sun facing direction of the module is increased in a limited space, and the module sampling efficiency is improved.

A balance maintaining equipment for a floating body includes a driving device for rotating a driving shaft; a first eccentric rotating body positioned at one side of the driving device and connected to the driving shaft to rotate around the driving shaft by the rotation thereof; and a second eccentric rotating body positioned at the other side of the driving device and connected to the driving shaft to rotate around the driving shaft by the rotation thereof, while having a phase difference of 180 degrees from the rotation of the first eccentric rotating body. The balance maintaining equipment generates the moment in the opposite direction to the roll of the floating body. Furthermore, when the roll period of the floating body is changed, the balance maintaining equipment varies the angular velocity of the driving shaft to interwork with the roll period of the floating body.

The multifunctional water quality monitoring unmanned ship with the windproof mechanism comprises an unmanned ship body, a controller and a support are fixedly installed at the top of the unmanned ship body, and a winch is fixedly installed at the top of the support. The unmanned ship is reasonable in design and good in practicability, the water quality detector can be isolated and protected, sundries such as aquatic plants around the water quality detector can be smashed, it is guaranteed that the unmanned ship body can drive the water quality detector to move forwards smoothly without being hindered, and the unmanned ship has a good obstacle removing function; the two inflatable bags can be conveniently controlled to move out of the containing cavity and be inflated, the unmanned ship body can stably float on the water surface through buoyancy generated by the two inflatable bags full of air on the water surface, the unmanned ship body cannot turn over on one side under the condition that stormy waves exist, and then it is guaranteed that the water quality detection work is smoothly conducted; and the two inflatable bags can be conveniently stored in the storage cavity, so that the space occupied area of the unmanned ship body is reduced, and the unmanned ship is convenient to use.

The invention provides a buoy mechanism for marine environment monitoring, and relates to the field of buoys. The buoy mechanism for marine environment monitoring comprises a base, a signal transmitter and a wind speed monitor, a support is fixedly connected to the top face of the base, a solar power generation panel is fixedly connected to the outer surface of the support, an annular water pipe is fixedly connected to the outer surface of the base, a spraying opening is formed in the bottom face of the annular water pipe, a booster pump is fixedly connected to one side of the inner bottom wall of the base, and the input end of the booster pump fixedly communicates with a water inlet pipe. A telescopic mechanism, a connecting pipe and an air bag are arranged. By arranging a booster pump, awater inlet pipe, a water discharging pipe, a spraying opening and an annular water pipe, the problems that organisms are attached to the outer surface of the base for a long time, and the service life of the base is shortened are solved, meanwhile, the base can be cooled, and the service life of equipment in the base is prolonged.