36results about How to "Avoid sinking" patented technology

The invention discloses a water quality sampling anti-sinking unmanned aerial vehicle and an anti-sinking sampling method thereof. The sampling anti-sinking unmanned aerial vehicle comprises a basic component and a sampling mechanism, wherein the basic component comprises a plurality of sets of wings, and the plurality of sets of wings comprises rotor wing supports, rotor wing motors fixedly arranged at the end parts of the rotor wing supports and rotating rotor wings rotationally connected with the rotor wing motors; and the sampling mechanism comprises a sampling bin fixedly connected with the plurality of sets of wings, a sampling pump arranged in the sampling bin, a container converting device arranged in the sampling bin and rotationally connected with the sampling bin, and a samplinghose arranged at the bottom of the sampling bin. According to the water quality sampling anti-sinking unmanned aerial vehicle, a floating plate is arranged below a landing support of an unmanned aerial vehicle, so that the condition that the unmanned aerial vehicle sinks after water quality sampling is carried out by the sampling unmanned aerial vehicle; and the container converting device is arranged in the sampling bin of the unmanned aerial vehicle, so that sampling containers for storing water sources are converted, and then the sampling unmanned aerial vehicle does not need to fly multiple trips to sample when carrying out multipoint sampling on the same water source.

The invention discloses an airflow cotton mixing machine which comprises a framework, a drum, spray nozzles, an air guide pipe, conveying pipelines and a cotton mixer. The drum is arranged in the framework, the spray nozzles are arranged at the lower end of the inner side of the framework, the rear ends of the spray nozzles are connected with the air guide pipe, the conveying pipelines are arranged at two ends of the framework, and the cotton mixer is arranged in the drum. Owing to the mode, the airflow cotton mixing machine has the advantages of high reliability, mixing efficiency and compatibility to existing equipment, compact structure, few moving components, uniform fiber mixing effects and the like. Besides, the airflow cotton mixing machine has a wide market prospect on textile machinery markets.

The invention discloses a yacht marina structure. The yacht marina structure comprises a trestle, fixed piles and a connection bearing beam; the fixed piles are connected with the connection bearing beam; the connection bearing beam is positioned above the underground parts of the lower parts of the fixed piles; the fixed piles and the trestle are connected with pile guides; the trestle is connected with a marina through a movable approach bridge; every four fixed piles form a ship mooring position; and the ship mooring positions can be manufactured in different sizes according to sizes of ships. The yacht marina structure fully uses the space, enhances the stability and the wind resistance, and prevents the ship sinking phenomenon.

The invention discloses a construction method for dismantling a truss type combined arch bridge. The construction method comprises the following construction steps: firstly, dismantling a bridge decksystem; secondly, installing slings; thirdly, dismantling the slings from the midspan to two arch foot sides in sequence in a manner of: dismantling solid web section side boxes, and then dismantlingupper chord side boxes, inclined web members and lower chord side boxes of a fourth section, a third section, a second section and a first section in sequence. According to the construction method, anold bridge arch ring is lifted and supported by means of a new bridge concrete-filled steel tube arch structure; in the arch opening process, the jack is arranged to slowly release the axial force ofthe arch structure, and the vertical limiting device is arranged to clamp the side box, so that it is guaranteed that an old bridge is stably converted into two independent cantilever systems from anindependent system, and the dismantling of the bridge is guaranteed.

The invention discloses a steel structure composite floor slab and a construction method thereof. The steel structure composite floor slab comprises a steel beam; the number of the profiled steel sheets is two, the profiled steel sheets are symmetrically lapped on the steel beam, and each profiled steel sheet is provided with a plurality of ridge plates protruding upwards; the stud is connected between the profiled steel sheet and the steel beam, so that the profiled steel sheet is connected to the steel beam; the tie steel plates are connected between the two profiled steel plates on the two sides of the same steel beam in a tie mode. The profiled steel sheets located on the two sides of the steel beam are connected through the tie steel sheets, so that the profiled steel sheets located on the two sides of the steel beam are kept in the horizontal state, the situation that one end of each profiled steel sheet sinks is prevented, the structural stability and safety of the steel structure composite floor slab are improved, and the overall structural strength of the steel structure composite floor slab is enhanced; and potential safety hazards existing in a traditional steel structure composite floor slab are overcome. The tie steel plate is easy to manufacture, materials are convenient to obtain, and the requirement for green construction is met.

The invention discloses an air-curtain breakwater. A water pressing pipe is arranged at two sides of a bottom of an exhaust pipe separately, and is a cylindrical hollow pipe, the two water pressing pipes are symmetrically arranged relative to exhaust holes, the water pressing pipes are as long as a pipe body of the exhaust pipe, and included angles between the center of the exhaust pipe and the centers of the two water pressing pipes are 90-120 degrees; and the pipe diameter of the exhaust pipe is 2-3 times of the pipe diameter of each water pressing pipe. According to the air-curtain breakwater disclosed by the invention, the position of the exhaust pipe can be easily placed correctly, the case of incorrect positions of the exhaust holes in the exhaust pipe is avoided, and good exhaust effect and wave absorbing effect are achieved; the exhaust pipe is capable of floating and sinking in water with the water pressing pipes, and a depth position of the exhaust pipe in water is adjustable, so that blockage of sediments at a water bottom for the exhaust holes of the exhaust pipe can be avoided, and a pressure pressed in the exhaust pipe has no need to be increased with the increase of a water depth, so that low energy consumption is achieved; and the exhaust pipe has no need to always sink to the water bottom and is free from self-sinking.

The invention discloses a dust-containing pipeline structure capable of effectively solving dust accumulation in a pipe and a design method thereof. The design method of the dust-containing pipeline structure comprises the following steps of: 1) testing and determining an angle of repose alpha under a static condition of collected dust; 2) designing a vertical auxiliary collecting pipe connectedwith a horizontal main pipe in a dust removal collecting system into a folded pipe type, specifically comprising a first vertical auxiliary collecting pipe into which airflow enters, a second verticalauxiliary collecting pipe connected with the horizontal main pipe and a folded pipe connected between the irst vertical auxiliary collecting pipe and the second vertical auxiliary collecting pipe, wherein an included angle delta is formed between the folded pipe and the horizontal plane; 3) ensuring that the included angle delta is greater than a+5 degrees; and 4) installing a butterfly valve in the first vertical auxiliary collecting pipe. The dust-containing pipeline structure capable of effectively solving dust accumulation in the pipe and the design method thereof provided by the invention solve the problem that the original pipeline cannot be opened because the valve is pressed completely by accumulated dust, which causes serious blockage and leads to dust collection failure at thecollection point. The improved folded pipe has no dust accumulation phenomenon, and the valve is smoothly opened, convenient to clean, and the pipeline has no blockage, which can effectively collectdust in time.

The embodiment of the invention relates to the technical field of a vanadium battery, and discloses a battery panel and the vanadium battery. The battery panel comprises a shell, wherein an installation hole is formed in the shell and is used for installing an electrode plate, the shell is provided with a first rubber sealing ring along a part near to an outer circle of the installation hole, and the first rubber sealing ring protrudes out of a surface of the shell. Compared with the prior art, the battery panel has the advantages that the length of the first rubber sealing ring selected by the battery panel is relatively short, thus, the fabrication coat of the first rubber sealing ring is reduced, and the fabrication cost of the vanadium battery is reduced; since the sealing range of the first rubber sealing ring is small, the area of an ion film matched with the first rubber sealing ring also can be correspondingly reduced, the area of the ion film is only enabled to be slightly larger than an encircling area of the first rubber sealing ring, and the first rubber sealing ring can be attached onto an edge of the ion film; and the ion film is very high in cost, thus, the area of the ion film is also reduced, and the manufacturing cost of the vanadium battery is reduced.

The invention provides a holographic imaging structure, and relates to the technical field of holographic imaging. The holographic imaging structure comprises a display assembly, a medium assembly and a reflection structure assembly, and the display assembly is used for displaying a foreground image; the medium assembly and the reflection structure assembly are sequentially arranged on the side, close to audiences, of the display assembly, one side of the display assembly, one side of the medium assembly and one side of the reflection structure assembly are tightly attached or close, the other sides of the display assembly, the medium assembly and the reflection structure assembly are away from each other to form a certain included angle, and the reflection structure assembly is used for forming space virtual images. The medium assembly is used for reflecting light emitted from the interior of the reflection structure assembly. Through the foreground image displayed by the display screen and in combination with the virtual image formed behind the display screen, an obvious depth feeling can be formed, and people can neglect the display screen in front of eyes in visual perception, so that a naked-eye 3D stereoscopic image display effect is presented, and the design avoids the situation that the ground needs to sink in the past, and is lower in use cost.

The invention relates to a cable laying device, especially to a light low cost durable cable bridge. The light low cost durable cable bridge consists of a board card, bolts, a tinned iron sheet, waterproof paint, a bamboo plate, a constructional column and a transverse reinforcement. Wherein, the surface of the bamboo plate is coated with a layer of the waterproof paint. Two fixing parts horizontal slots are arranged oppositely. Two ends of the bamboo plate are inserted into the two horizontal slots of the fixing parts and are fixed through the bolts, a U-shaped framework is formed by the bamboo plate and the board card, and the surface of the U-shaped framework is covered with a layer of the tinned iron sheet. The utilized main materials of the light low cost durable cable bridge are board bodies overlaid by bamboo chips, compared to steel, aluminum alloy materials in the prior art, the manufacturing cost is lowered, the phenomenon of sinking is effectively avoided, and the durable life is longer.

The invention relates to the technical field of inflatable hangars, and particularly relates to an independent pressure regulating hangar. The independent pressure regulating hangar comprises a device body, wherein the device body comprises a main inflation pipeline, and PVC reinforced air bags are uniformly arranged on one surface of the main inflation pipeline. According to the independent pressure regulating hangar, column inflation pipelines, column electric control valves, gate inflation pipelines, gate electric control valves and the main inflation pipeline are arranged, so that the two gate inflation pipelines and the plurality of column inflation pipelines are used for independently inflating the PVC reinforced air bags, light air bags and hangar gate bodies of the hangar, the pressure is controlled by the column electric control valves and the gate electric control valves, the air inlet and the air outlet of each single air bag are controlled, the pressure balance can be effectively controlled, the situation that the hangar gate bodies do not reach a set value when the pressure of the hangar column bodies reaches the maximum value in the building process is prevented, and the safety of the air bags can be better guaranteed by the independent control according to various data of the air bags at different parts.

The invention provides an anticorrosion, scale-inhibition and paraffin-inhibition device and system. The anticorrosion, scale-inhibition and paraffin-inhibition device sequentially comprises a corrosion-inhibition anticorrosion part, a corrosion-inhibition scale-inhibition part and a scale-inhibition paraffin-inhibition part from top to bottom, and the corrosion-inhibition anticorrosion part, thecorrosion-inhibition scale-inhibition part and the scale-inhibition paraffin-inhibition part can be detachably connected. The corrosion-inhibition anticorrosion part comprises an adapting pipe, and ananode pipe is embedded into the adapting pipe. The corrosion-inhibition scale-inhibition part comprises a supporting pipe, a turbulent flow pipe is axially arranged in the center of the supporting pipe, a through hole is formed in the pipe wall of the turbulent flow pipe, and a corrosion-inhibition scale-inhibition rod is embedded into an annular space between the supporting pipe and the turbulent flow pipe. The scale-inhibition paraffin-inhibition part comprises a screen pipe, and a scale-inhibition paraffin-inhibition block is embedded into the screen pipe. The anticorrosion, scale-inhibition and paraffin-inhibition device and system provided by the invention is an organic combination of the anticorrosion, scale-inhibition and paraffin-inhibition functions, the anticorrosion, scale-inhibition and paraffin-inhibition functions are effectively integrated, the pipe string structure is simplified, mounting and replacing are convenient, the anode pipe, the corrosion-inhibition scale-inhibition rod and the scale-inhibition paraffin-inhibition block can be replaced and replenished along with a well according to use consumption, the cost is reduced, and the labor intensity of workers from the first production line is relieved.

The invention provides an anti-submergence concealed tuna seine ecological type artificial fish gathering device. The artificial fish gathering device comprises a hard framework raft body, a pluralityof floats, a locating buoy, a sinker and a self-buoyant device, wherein palm leaves are arranged on at least one degradable rope, connected with the hard framework raft body, of the sinker; and the self-buoyant device is fixed onto the hard framework raft body and is provided with a water inlet pipe, a gas generator and a gasbag, an agent and a liquid level sensor are arranged in the gas generator, one end of the gas generator is connected with seawater through the water inlet pipe, the other end of the gas generator is connected with the gasbag through a non-return valve, a pneumatic diaphragm and an electromagnetic valve are arranged in the internal cavity of the water inlet pipe, and the electromagnetic valve is connected with the liquid level sensor. According to the artificial fish gathering device, a valve body part is suspended in water, the concealment performance of FADs is improved, and thus, an anti-theft effect is achieved; and the self-buoyant device is bound to the uppersurface of the raft body and is used for providing reserved buoyancy for the raft body and preventing the FADs from submerging, so that the risk of destroying marine habitats is lowered.

The invention discloses a high-molecular composite boundary medium preparation process and a use method thereof, and belongs to the field of boundary medium preparation, the high-molecular composite boundary medium preparation process comprises the following steps: adding film-forming magnetic balls, guiding the film-forming magnetic balls to sink and float in a mixed emulsion through a magnetic material in the preparation process, and effectively cutting bubbles in the sinking and floating process, so that the air content in the formed high-molecular composite boundary medium is low, the quality of the high-molecular composite boundary medium is effectively improved, and the high-molecular composite boundary medium can be adsorbed on the surface of the mixed emulsion to form a magnetic chain net; the magnetic chain net can serve as a barrier on the high-molecular composite boundary medium to effectively intercept water vapor of external air from permeating into the high-molecular composite boundary medium, the high-molecular composite boundary medium is effectively protected from being oxidized, and the service life of the high-molecular composite boundary medium is effectively extended; when the high-molecular composite boundary medium is used, the film-forming magnetic balls can form a diaphragm layer on the surface of the boundary medium layer part, and the contact area between the whole boundary medium layer and the outside is reduced, so that the drying speed of a base body is reduced, the cracking rate is reduced, and the using effect is improved.

The invention belongs to the technical field of camellia oil tree planting, in particular to a spray liquid storage device for camellia oil tree planting, and provides the following scheme for solving the problems in the prior art: the spray liquid storage device comprises a water storage tank arranged above a carriage, and air compression supporting mechanisms are arranged between the two sides of the outer wall of the bottom of the water storage tank and the carriage; an air blowing mechanism is arranged in the water storage tank, a storage box is arranged on the inner wall of the side face of the carriage, a water adding opening is formed in the outer wall of the top of the water storage tank, a water adding cover is arranged on the water adding opening, a water pumping pipe is inserted into the other side of the outer wall of the top of the water storage tank, and the bottom end of the water pumping pipe extends to the bottom of the water storage tank; a hanging barrel with an opening in the upper end is arranged at the bottom end of the water pumping pipe, and the bottom end of the water pumping pipe extends to the bottom of the hanging barrel. In the movable spraying process, the carriage vibrates, and then the air compression supporting mechanism is driven to compress air into the water storage tank to stir spraying liquid, so that the spraying liquid is more uniform, and the spraying liquid is prevented from sinking to the bottom.

The invention discloses an aluminum alloy paddle, comprising a paddle rod, a handle and a paddle plate; one end of the paddle rod is provided with an outside thread of the paddle rod, and the other end of the paddle rod is provided with an inside thread of the paddle rod; one end of the handle is provided with an outside thread of the handle, the handle is in threaded connection with the inside thread of the paddle rod through the outside thread of the handle; the front face of the paddle plate is provided with a diagonal guide flow groove and a long guide flow groove; the top part of the paddle plate is provided with an installing convex rod, and an installing hole is arranged in the installing convex rod; an inside thread of the installing hole is arranged on the inner wall of the installing hole; one end of the paddle rod containing the outside thread of the paddle rod is in threaded connection with the inside thread of the installing hole. The paddle can be made by a combining method; thus the paddle can be conveniently folded in idle state; meanwhile, the paddle body is a hollow structure, and foam is plugged in the hollow structure so as to prevent water entering the paddle body; meanwhile, the floating force of the paddle can be largely increased, thus the paddle can be floated at the water surface, and paddle can be prevented from falling in the water and sinking to the bottom part.

The invention discloses an earthwork cloth rolling supporting bracket which comprises a rack and a rolling supporting and placing mechanism; the rack is composed of a base and supporting plates; the base is formed by welding longitudinal channel steel and transverse channel steel; two left and right supporting plates form one group; each supporting plate is a trapezoid steel plate with the upper end provided with a groove; a plurality of uniformly distributed fixing grooves are formed in the edge of each groove; the lower ends of the supporting plates are fixedly welded with the base; the rolling supporting and placing mechanism is uniformly provided with a plurality of supporting rolls on the inner sides of one group of two supporting plates along the grooves at the upper ends of the supporting plates; and wheel roll shafts at the two ends of each supporting roll are locked to the fixing grooves, opposite to each other on the two sides, formed in the edge of the groove of the corresponding supporting plates. The earthwork cloth rolling supporting bracket is of a simple structure and low in manufacturing cost and maintenance cost and has the advantages of convenience in operation, low labor intensity, high efficient construction and low cost when being used for construction.

The invention belongs to the technical field of film printing, in particular to film printing equipment for image shooting and a film taking method thereof, and provides the following scheme that the film printing equipment comprises a machine body, the outer walls of the two sides of the machine body are each provided with two first mounting holes, and the inner walls of the two opposite first mounting holes are connected with the same rotating shaft through bearings; the outer walls of the two rotating shafts are fixedly connected with the same conveying belt, and the outer wall of the conveying belt is fixedly connected with long fixing blocks at equal intervals. Through the arrangement of a second telescopic rod, a mounting plate, an extrusion spring, a rotation shaft and a smoothing roller, the second telescopic rod is adjusted to drive the mounting plate to move downwards, and in the movement process, when the smoothing roller on the extrusion spring makes contact with a film, the smoothing roller is driven by the rotation shaft to rotate, so that the film is smoothed before being printed; and through the infinite extrusion force of the extrusion spring, the smoothing effect on the film can be better, and the influence of the uneven surface of the film on printing can be prevented when the film is printed.

The invention discloses a roadbed insertion plate type sound barrier. The roadbed insertion plate type sound barrier comprises a steel column, a barrier plate and a top buckling plate, wherein the topbuckling plate is installed above the sound barrier plate, the sound barrier plate is installed on the side surface of the steel column, a steel plate is arranged below the steel column, the upper surface of the steel plate is fixedly welded with a T-shaped steel guide rail, the surface of the lower end of the steel column is provided with a T-shaped sliding groove opening, the steel column is clamped with the T-shaped steel column through the T-shaped sliding groove opening, a shielding plate is fixedly and vertically welded to the lower surface of the steel plate, and a steel box beam is arranged on one side of the shielding plate. According to the roadbed insertion plate type sound barrier, the steel column is in sliding connection with the T-shaped steel guide rail on the steel platethrough the T-shaped sliding groove opening, the early-stage position of the steel column can be conveniently adjusted, the construction efficiency is improved, the steel plate is connected with the steel box girder embedded in a foundation pit through the shielding plate, the situation that the sound barrier plate sinks can be avoided, and the service life is prolonged.