30results about How to "Avoid moisture corrosion" patented technology

The invention provides a damp-proof type power transformation cabinet. The damp-proof type power transformation cabinet comprises a cabinet body, a ventilation module, a radiating module, and a control module, wherein a device for electric energy conversion and transmission is installed in the cabinet body, an air inlet and an air outlet are formed in the cabinet body, the ventilation module comprises a first fan, a second fan, a dehydrating breather, an air supply pipe and an air exhaust pipe, the radiating module is installed in the cabinet body and used for reducing temperatures in the cabinet body, the control module comprises a first humidity sensor, a second humidity sensor, an early warning unit and a control unit, and the control unit is respectively connected with the first humidity sensor, the second humidity sensor, the first fan, the second fan, the dehydrating breather and the early warning unit and controls the first fan, the second fan, the dehydrating breather, and the early warning unit to work according to detection data from the first humidity sensor and the second humidity sensor. The damp-proof type power transformation cabinet is capable of automatically dehumidifying the inside of the power transformation cabinet, preventing devices in the power transformation cabinet from being eroded by humidity, and guaranteeing work reliability.

The invention relates to the technical field of power equipment, and discloses a pre-embedded device of a high- and low-voltage switch cabinet. The pre-embedded device comprises a base, wherein a concrete wall is fixedly connected with a left side, a right side and a rear side of the top of the base, spring sleeves are fixedly connected to an inner side of the concrete wall, and a spring is fixedly connected to an inner wall of one side, far away from the concrete wall, of each elastic sleeve. In the pre-embedded device of the high- and low-voltage switch cabinet, the high- and low-voltage switch cabinet is conveniently arranged on the pre-embedded device by the base, the concrete wall, the spring sleeve, the springs, pressure reduction rods, a baffle plate, first sliding blocks, first sliding grooves, fixed plates, first through holes, a first fastening bolt, a second sliding groove, a second sliding block, a support plate, a second through hole, a second fastening bolt, a handle, a second support seat, wiring holes and a telescopic sleeve, the high- and low-voltage switch cabinet is only needed to be erected on the second support seat, an installation position is slightly adjusted by the springs, and the first fastening bolt and the second fastening bolt are screwed tightly.

The invention relates to the technical field of agricultural pest prevention and control, in particular to an agricultural prevention and control method for repelling mollusks such as snails and slugs harming dendrobium officinale. A film is wound around a supporting column of a greenhouse seedbed or a water pipe of spraying facilities or a simulated wildly planted trunk by 1.5-4 turns and then is fixed, a rope soaked in saturated salt water is wound around the film by 4-8 turns from bottom to top and then is fixed, and the portion, above the straw rope, of the film is folded downwards to be in a funnel shape. The method can effectively prevent underground harmful mollusks from harming dendrobium officinale for a long time, the quality of fresh branches of dendrobium officinale can be improved as no insecticide is used in the growth process, and the repelling effect can last for three to four years. The method is simple, practical and low in cost, and solves the problem that dendrobium officinale is harmed by underground harmful mollusks in the planting process for a long time.

The invention discloses a rust protection method for an agitator kettle. The inner wall of the reaction kettle is firstly cleaned with clear water, air drying is carried out after cleaning, and then the reaction kettle is further dried with low fire, so that it is ensured that no liquid or moisture is contained in the reaction kettle. After drying, the wall of the reaction kettle is coated with a layer of silica gel, and silica gel has the beneficial effects of being high in absorbed humidity amount and small in volume expansion, so that the reaction kettle is prevented from being affected with damp and corroded. In addition, an appropriate amount of anhydrous cupric sulfate which is white crystal is taken to be ground and then scattered on a thin sponge mat, and copper sulfate powder can be located in clearances in the thin sponge mat. The sponge mat has certain moisture absorption capacity, and when the sponge mat becomes blue, it is shown that anhydrous cupric sulfate becomes blue when encountering water, and moisture enters the sponge mat. Therefore, anhydrous cupric sulfate in the sponge mat is used for indicating whether the reaction kettle is affected with damp or not. The thin sponge mat is laid on the reaction kettle, then the outer layer is covered with a plastic film and sealed, so that it is ensured that the reaction kettle is isolated from the outside and prevented from being affected with damp, and the work of damp prevention and rust prevention of the reaction kettle is achieved.

The invention relates to a compressor moisture protection control method, device and apparatus and an air conditioner. The method comprises the steps of obtaining the operation parameter and temperature data of a compressor and the weather parameter of the environment; and when the operation parameter and temperature data of the compressor and the weather parameter of the environment accord with apreset moisture protection mode entering condition, heating the compressor to improve the internal temperature of a junction box of the compressor. According to the method, the operation parameters and temperature data of the compressors and the weather parameters of the environments are acquired to serve as basis for judging whether moisture protection is required or not, and if the operation parameters and temperature data of the compressors and the weather parameters of the environments accord with the preset moisture protection mode entering condition, the compressors are heated to improve the internal temperatures of the junction boxes of the compressors, thereby improving the temperatures of the compressors with corrosion risks to avoid moisture corrosion, reducing the fault rates of internal corrosion rust of the compressors under the moisture environments, ensuring that the compressors can be normally operated under severe environments, and prolonging the service life of the compressors.

The invention relates to a pre-buried device of a high- and low-voltage complete switch cabinet. The pre-buried device comprises a pre-buried base, an air blower, two longitudinal fixed rods, two transverse fixed rods and the high- and low-voltage complete switch cabinet, wherein the pre-buried base is fixed on outdoor ground via through holes in a fixed square plate by an expansion bolt, the airblower is fixedly arranged in an air blower cover and is arranged on an upper end surface of the pre-buried base, the two longitudinal fixed rods are arranged on a sliding connection seat via connection holes and are fastened by locking nuts, the transverse fixed rods are arranged between the two longitudinal fixed rods, the transverse fixed rods are fixed at upper ends of the longitudinal fixed rods by a mode of fixing fixed nuts by fixed bolts through adjustment grooves, and the high- and low-voltage complete switch cabinet is arranged between the two transverse fixed rods and the two longitudinal fixed rods. The device is reasonable in design, is convenient to use and has the advantages of water prevention, moisture prevention and wind prevention, and convenient fixing of the high- andlow-voltage complete switch cabinet can be achieved.

The invention discloses a heat preservation water tank for an air source water heater. The heat preservation water tank comprises a water tank inner container, a water tank body, a third-level condensation copper coil pipe, a secondary condensation copper coil pipe and a primary condensation copper coil pipe; the water tank inner container is arranged in the water tank body, the position between the water tank inner container and the water tank body is filled with a polyurethane foaming heat preservation layer, a pollution discharge plug is mounted at the bottom of the water tank body, the bottom side of the water tank body is connected with a cold water pipe, the upper side of the water tank body is connected with a hot water pipe, the top of the water tank body is connected with a hot air discharge pipe and an overflow pipe, and the primary condensation copper coil pipe, the secondary condensation copper coil pipe and the third-level condensation copper coil pipe are mounted in the water tank body; the heat preservation effect is good, the structural strength is high, the use convenience degree of the water tank is improved, the heat exchange efficiency is high, the heating effect is good, on the liquid seal pipe segment, gas-state media can be effectively prevented from flowing out in a non-complete condensation manner, sufficient cooling heat exchange of the media is ensured, and the heat exchange efficiency and effect of the water tank can be improved.

The application relates to a moisture-proof control method, device and apparatus for a compressor and an air conditioner. The method comprises the following steps of, when an operating parameter and temperature data of the compressor and a weather parameter of an environment where the compressor is located meet a condition of entering a moisture-proof mode, if current environmental humidity or average humidity within a future preset time is greater than or equal to a first preset humidity value and smaller than a second preset humidity value, starting an electric heating device of the compressor for heating; if the current environmental humidity or the average humidity within the future preset time is greater than or equal to the second preset humidity value and smaller than a third presethumidity value, increasing the operating frequency of the compressor according to a first preset frequency adjusting condition; and if the current environmental humidity or the average humidity within the future preset time is greater than or equal to the third preset humidity value and smaller than or equal to a fourth preset humidity value, increasing the operating frequency of the compressor according to a second preset frequency adjusting condition, and starting the electric heating device of the compressor for heating. The failure rates of the corrosion and the rusting in the compressorin a humid environment can be reduced.

The invention discloses an air conditioner energy-saving control device comprising a controller body and a temperature sensor, wherein the controller body is internally provided with a single chip microcomputer and a remote control receiver, and the outer wall of the controller body is provided with a display screen; the temperature sensor is connected to the single chip microcomputer electrically, and the top of the controller body is provided with a hollow pipe in which a motor base is arranged; the top of the motor base is provided with a limit lever and a motor connected to the single chip microcomputer electrically, and the hollow pipe is internally provided with a plate body connected to the limit lever slidably and provided with a through hole; the output shaft of the motor is provided with a circular shaft penetrating through the through hole, and the outer wall of the circular shaft is provided with external threads; the through hole is internally provided with internal threads fit to the external threads, and the top of the plate body is provided with a support rod extending out of the hollow pipe; the temperature sensor is arranged on the top of the support rod, and the top of the temperature sensor is provided with a cover plate; the single chip microcomputer is connected to a motor control switchboard electrically. The air conditioner energy-saving control device disclosed by the invention has the beneficial effects of easy use and long service life.

The invention discloses a kitchen and bath door opening ground waterproof and moistureproof system. The system comprises a threshold stone arranged on the kitchen and bath door opening ground, whereina step water retaining structure is arranged at the position, close to the threshold stone, of a floor slab of a kitchen and bath waterproof area, the high side of the step water retaining structureis close to the threshold stone, the low side of the step water retaining structure extends towards the center of the kitchen and bath waterproof area, and the step water retaining structure is provided with at least one water retaining ridge formed between two adjacent steps; and a waterproof coiled material is bonded to the surface of the floor slab, first water accumulation pipes are arranged on the upper surface of the waterproof coiled material and located at the water retaining ridges, a plurality of through holes are formed in the surfaces of the first water accumulation pipes, and oneends of the first water accumulation pipes are communicated with sewer pipes. By means of the specially-arranged water accumulation pipe structure, water permeating below floor tiles and stored in a waterproof protection layer can be continuously and slowly collected and drained through the sewer pipes, and the problems that a toilet is prone to moisture, even due to long-time water accumulation,the waterproof layer is leaked, a partition wall body is affected with damp, and unnecessary building damage and decoration losses are caused are solved.

The invention discloses a secondary water supply pressurizing pump room applied to a high-rise building, and belongs to the technical field of secondary pressurizing water supply equipment. Secondary water supply equipment and control equipment are arranged in the pressurizing pump room; the secondary water supply equipment comprises a living water tank communicating with a municipal direct supply pipe network and a variable-frequency pressurizing pump set communicating with the living water tank, the variable-frequency pressurizing pump set communicating with a user water supply pipeline, and the ground where the living water tank and the variable-frequency pressurizing pump set are located is surrounded and separated by a drainage ditch; and a water collecting pit communicating with the drainage ditch is further arranged in the pressurizing pump room, and the living water tank and the variable-frequency pressurizing pump set are connected with the control equipment. The living water tank and the variable-frequency pressurizing pump set are independently surrounded and separated by the drainage ditch, water leaking from the joint of the living water tank, the variable-frequency pressurizing pump set and the pipeline can be collected and discharged into the water collecting pit in time, and the situation that the leaking water is gathered in the pump room to form a humid environment and corrode the pipeline and the equipment is avoided.

The invention discloses a shell applied to a distributed DTU interval unit. The shell comprises a display surface film, a panel, a control circuit board, a shell body, a sealing pressing plate and a support. The display surface film is tightly connected with the front side surface of the panel through an adhesive layer; the bracket is fixed on the back surface of the panel; the shell is buckled atthe outer part of the bracket; the control circuit board is arranged in a space between the panel and the shell and is used for realizing power distribution control; and the sealing pressing plate isfixed on the shell. The protection level can reach IP66, water vapor is effectively prevented from entering the terminal, condensation is avoided, and the reliability of the terminal is effectively improved.

The invention discloses an antirust method for a stirring kettle. Firstly, the inner wall of the reaction kettle is cleaned with clean water, and after cleaning, air-dried, and then the reaction kettle is further dried with a slight fire to ensure that the reaction kettle does not contain liquid or water vapor. After drying, coat a layer of silica gel on the wall of the reaction kettle. The silica gel has the characteristics of large moisture absorption and small volume expansion, so as to prevent the reaction kettle from being corroded by moisture. In addition, take an appropriate amount of anhydrous copper sulfate, which is a white crystal, grind it, and sprinkle it on the thin sponge pad, and the copper sulfate powder will be in the gaps in the thin sponge pad. The sponge pad also has a certain ability to absorb moisture. When the sponge pad turns blue, it means that the anhydrous copper sulfate turns blue when it meets water, and moisture has entered the sponge pad. So the anhydrous copper sulfate in the sponge pad is used to indicate whether the reactor is damp. Spread a thin sponge pad on the reactor, then cover the outer layer with a plastic film and seal it to ensure that the reactor is separated from the outside world and avoid moisture, thus completing the moisture-proof and rust-proof work of the reactor.

The invention relates to a method for reducing vehicle wind resistance, a vehicle gas path system and a vehicle. The vehicle is provided with an exhaust branched path, a gas outlet of the exhaust branched path faces a vehicle tail negative pressure area, when the vehicle speed is bigger than a vehicle speed set value, the gas outlet conducts exhausting towards the tail negative pressure area to reduce the pressure difference of the vehicle in the front-back direction, thus the effect of the pressure difference of the vehicle in the front-back direction on a vehicle body is weakened, and the wind resistance of the vehicle in the travelling process is reduced.

The invention relates to a stacking type dewatering structure for a waste gas absorption tower. The stacking type dewatering structure comprises an external frame with an annular structure, wherein the lower end surface of the external frame is fixedly connected to an inner lining dewatering plate with a hollow cone-shaped structure, an outer lining dewatering plate with a hollow cone-shaped structure is sleeved and connected below the inner lining dewatering plate, the size of the opening on the outer lining dewatering plate is smaller than the size of the opening of the inner lining dewatering plate, the outer lining dewatering plate can move up and down relative to the inner lining dewatering plate along the axis of the outer lining dewatering plate, a first dewatering plate with a ventilation hole is arranged at the center of the external frame, and a circle of a first inner resistance edge and a circle of a second inner resistance edge are respectively arranged in the lower edgesof the inner lining dewatering plate and the outer lining dewatering plate. Compared to the structure in the prior art, the stacking type dewatering structure of the present invention can effectivelyachieve the dewatering effect and simplify the dewatering structure installation process.

The invention relates to the field of electrical cabinets, in particular to a micro-grid reactive power compensation cabinet which comprises a reactive power compensation cabinet body, an air blowing mechanism, a cooling mechanism, a water control mechanism, a filtering mechanism, a transfer mechanism, a linkage mechanism and a closing mechanism. When the height of the water level in the cooling cavity reaches the position of the water control valve groove, the water level enters the water control valve groove, the water control floating block ascends along the limiting thin rod under the influence of water buoyancy until the water outlet hole is opened, water in the cooling cavity can flow out of the water outlet hole, and monitoring and balancing of the water amount in the cooling cavity are achieved. External air is cooled through the cooling mechanism, meanwhile, dust particles in the air can be effectively filtered out, and it is guaranteed that purified air is clean; the cooling air is dried and filtered through the filtering mechanism, so that the dryness of the purified gas is ensured, and the gas entering the compensation cabinet main body is prevented from wetting and corroding parts in the compensation cabinet main body; the combination of the two can effectively prevent dust from polluting the internal structure of the compensation cabinet, and can effectively dissipate heat.

The invention discloses an assembly type sports wood floor. The wood floor comprises a fixing plate, wherein mounting frames which are distributed in an array mode and used for fixing solid wood plates are fastened on the fixing plate, the solid wood plates are connected to the mounting frames in a clamped mode, and clamping strips used for fastening the solid wood plates are slidably arranged atone of the ends of the solid wood plates; and the fixing plate comprises a bottom plate, sliding grooves which are distributed in an array mode are formed in the bottom plate, threaded holes which aredistributed in an array mode and used for fixing the mounting frames are formed in the bottom plate, penetrating grooves which are symmetrically distributed are formed in the bottom plate, the penetrating grooves are located between the two sliding grooves, and cushion blocks which are distributed in an array mode are fastened in the penetrating grooves. According to the assembly type sports woodfloor, the mounting frames are arranged, the solid wood plates are arranged on the mounting frames in a clamped mode, the structure is simple, mounting is convenient, the solid wood plates are compactly mounted, the clamping strips are arranged for fixing, the solid wood plates do not make direct contact with the ground, so that damp corrosion is avoided, the service life of the wood floor is prolonged; and heat preservation layers are arranged on the solid wood plates, and in winter, the temperature of the wood floor is appropriate, so that athletes do not feel cold.

The invention provides a waterproof glass curtain wall. The waterproof glass curtain wall comprises a connecting piece, glass curtain wall bodies, an upper fixing position and a lower fixing position,wherein the upper fixing position is arranged on an opening which is formed in the left side of the top end of the inner portion of the connecting piece, and the lower fixing position is arranged onan opening which is formed in the right side of the bottom end of the inner portion of the connecting piece; the glass curtain wall bodies are fixedly installed in the upper fixing position and the lower fixing position correspondingly, and positioning holes are formed in the ends, close to the connecting piece, of the glass curtain wall bodies; fixing holes are formed the left side and the rightside of the inner portion of the connecting piece, and anti-falling bolts are fixedly installed in the fixing holes; and the glass curtain wall bodies are fixedly connected with the connecting piece through the anti-falling bolts. The waterproof glass curtain wall protects the glass curtain wall bodies from being damaged during the process of compaction, can prevent the glass curtain wall bodies from falling off by displacement, can avoid the phenomenon of damp corrosion caused by rubber strips falling off, and reduces the cost of maintenance.

The invention discloses a solar charging station comprising a containing groove provided with an opening, a pair of steel plates, a support portion, a base plate, a photovoltaic group, a support column, a charging pile, a pair of second electric cylinders and a central controller. Fixing ends of the pair of steel plates are in shaft connection with the containing groove. The support portion comprises a pair of first electric cylinders and support plates. The pair of support plates is fixed on the internal wall of the containing groove. Each of the fixing ends of the pair of first electric cylinders is fixed on one support plate, and each telescopic end of the pair of first electric cylinders is in fixed connection with one steel plate. The photovoltaic group comprises a photovoltaic panel and a photovoltaic inverter. The photovoltaic panel is in electric connection with the photovoltaic inverter. The support column is in fixed connection with the photovoltaic panel. The charging pipe is connected to the photovoltaic inverter. The support column, the photovoltaic inverter and the charging pile are fixed on the base plate. Fixing ends of the pair of second electric cylinders are fixed on the bottom portion of the containing groove, and telescopic ends of the pair of second electric cylinders are fixedly connected to the base plate. The central controller comprises a single-chip machine and a server. Solar charging of the solar charging station of the invention is realized; photovoltaic elements are effectively protected; and the solar charging station is lasting and durable.

The invention relates to a preparation method of a colorful decorative plate for a bathroom and the colorful decorative plate. The colorful decorative plate comprises a colorful decorative plate mainbody; the colorful decorative plate main body comprises a waterproof layer, an anti-deformation layer and a decorative layer; the anti-deformation layer is positioned between the waterproof layer andthe decorative layer; the waterproof layer comprises white cement, quick lime, oxidized paraffin soap, a polyurethane material and an acrylic emulsion material; the anti-deformation layer comprises high-alumina cement, mineral stone powder, magnesium oxide and quartz sand; the decorative layer comprises ordinary cement, reflective material particles, polymer wax, colored aggregate and pigment. According to the invention, the decorative plate has very strong waterproof performance, is prevented from being affected with damp and corroded, has very strong anti-deformation performance, is prevented from thermal expansion deformation cracking, has obvious aesthetic feeling, and improves the experience feeling.

The invention discloses a special file box for file storage of public institutions, relates to the technical field of file storage, and solves the problems that an existing file box does not have a convenient depressurization storage function, and depressurization cannot be provided for files through an auxiliary structure while the files are closed. The special file box for file storage of the public institutions comprises a main box body and a pulling plate, wherein the main box body is of a rectangular structure, and the top and the rear side of the main box body are of opening structures; an air inlet is formed in the middle of the top of the main box; and a main body of the pulling plate is of a rectangular plate structure, and the two sides of the pulling plate are wider than the two sides of the main box body. By arranging an air frame, a depressurization function is provided for the file box, the storage time of files can be prolonged through depressurization, and the files are prevented from being humid and corroded and are prevented from being in contact with the outside; and an air connecting device is unsealed through an air passing hole, the air frame communicates with the main box body, air in the main box body moves towards the interior of the air frame, the air pressure in the main box body is reduced by one third, and depressurization storage of the files is achieved.

The invention relates to a method for preparing a colored decorative board for a bathroom and the colored decorative board, comprising a main body of the colored decorative board, the main body of the colored decorative board includes a waterproof layer, an anti-deformation layer and a decorative layer; the anti-deformation layer is located between the waterproof layer and the decorative layer. Between the decorative layers; the waterproof layer includes white cement, quicklime, oxidized paraffin wax soap, polyurethane material and acrylic emulsion; the anti-deformation layer includes high alumina cement, mineral stone powder, magnesium oxide and quartz sand; the decorative layer Including ordinary cement, reflective material particles, polymer wax, colored aggregates and pigments; the invention makes the decorative board have strong waterproof performance, prevents the decorative board from being corroded by moisture, and makes the decorative board have strong anti-deformation performance, avoiding decoration Thermal expansion, deformation, and cracking of the board, while making the decorative board have an obvious aesthetic feeling, improving the sense of experience.

The invention discloses a medium and heavy plate working bearing seat convenient to mount. The medium and heavy plate working bearing seat convenient to mount comprises a bearing seat, a fixing block,a connecting block, an anti-skid pad, a first slide block, a first sliding rod and a second slide groove; a bearing is arranged on one side of the bearing seat; the fixing block is arranged on one side, far away from the bearing, of the bearing seat; a fixing plate is arranged on one side of the fixing block, wherein a connecting plate is arranged on the internal side of the fixing plate; the connecting block is arranged at the bottom of the fixing plate; a fixing bolt groove is formed in one side, close to the fixing plate, of the connecting block; the anti-skid pad is arranged on one side,far away from the fixing plate, of the connecting block; the first slide block is fixed to one side of the connecting block; and the plane of the first slide block is perpendicular to the plane of thefixing plate. According to the medium and heavy plate working bearing seat convenient to mount, the device can be fixed in different positions through the sliding of a moving block so that the devicecan adapt to the position of a fixing hole mounted in this position conveniently; and therefore, the mounting of the device is made convenient.

The invention provides waste gas diluting high-temperature treatment equipment for a chemical factory. The equipment comprises a tank, a gas inlet pipe, a gas outlet pipe, conical grooves, a water inlet pipe, a gas condensation assisting device, a gasification accelerating net, fan blades, a propeller, a seal cover, a heater, detectors, test paper grooves and jackscrews, wherein the gas inlet pipeand the gas outlet pipe are fixed on two sides of the tank by welding, and a fan is connected and fixed at one end of the gas outlet pipe in a sleeving manner; a square hole is formed in the front end of the tank, and observation glass is bonded and fixed in the square hole by a sealant; a drain port is integrally formed in one side of the bottom of the tank and is of a ball valve structure; by means of an annular water channel, water can be dispersed and sprayed into the tank, hydraulic pressure can be increased, water is sprayed in a water column manner, waste gas is diluted directly by spraying, moisture is increased, and waste gas dilution is realized.

The present application relates to a moisture-proof control method, device, equipment and air conditioner for a compressor. The method includes: acquiring operating parameters, temperature data and weather parameters of the environment of the compressor; When the weather parameters of the environment meet the preset conditions for entering the moisture-proof mode, the compressor is heated to increase the internal temperature of the compressor junction box. The operation parameters, temperature data and the weather parameters of the environment where the compressor is collected are used as the basis for judging whether moisture protection is required. If the preset conditions for entering the moisture-proof mode are met, the compressor is heated to increase the internal temperature of the compressor junction box. , Increase the temperature of the compressor with corrosion risk to avoid moisture corrosion, which can reduce the failure rate of corrosion and rust inside the compressor in a humid environment, and also ensure the normal operation of the compressor in harsh environments and prolong its service life.

The invention relates to the technical field of semiconductors, and particularly relates to a semiconductor module with a water-gas sealing function. The semiconductor module comprises a semiconductor, a clamping hole is formed in the surface of the semiconductor, the clamping hole and the semiconductor are integrally designed, a first connecting piece is arranged on one side of the clamping hole, and a second connecting piece is arranged on one side of the first connecting piece. The first connecting piece is fixedly connected with the second connecting piece, an outer sleeve is installed on the surface of the first connecting piece, the first connecting piece is connected with the outer sleeve in a sleeving mode, a rotating piece is installed on the surface of the outer sleeve, the rotating piece is rotatably connected to the surface of the outer sleeve, and a first moving block is installed at the bottom of the rotating piece. A design is reasonable, the structure is ingenious, through mutual cooperation of the structures, damp corrosion is effectively prevented, connection is tighter, semiconductors are better protected, and the semiconductor module has good market competitiveness and is worthy of recommendation.

The invention discloses an assembled sports wooden floor. The wooden floor includes a fixed board, and the fixed board is fastened with mounting frames distributed in arrays for fixing solid wood boards. One end of the board is slidably provided with clamping strips for fastening the solid wood board. The fixed board includes a base plate, which is provided with arrayed chutes, and the base plate is provided with an array of threaded holes for fixing the mounting frame. Symmetrically distributed through grooves are provided, and the through grooves are located between two slide grooves, and pads distributed in arrays are fastened in the through grooves. The sports wooden floor of the present invention is provided with a mounting frame, and a solid wood board is fastened on the mounting frame. Corroded by moisture, the service life of the wooden floor is increased, and the solid wood board is equipped with an insulation layer. In winter, the temperature of the wooden floor is guaranteed to be suitable, so that the athletes will not feel cold.

The invention discloses a building hollow brick which comprises inner and outer hollow rebar net frames with U-shaped cross sections. Space between the inner rebar net frame and the outer rebar net frame is filled with a concrete layer, reinforcing ribs are arranged between the inner rebar net frame and the outer rebar net frame, a cavity is arranged in the middle of the concrete layer and filled with water-absorbent expanding resin, a stainless steel pipe is arranged on the rebar net frames and penetrates the inner rebar net frame and the outer rebar net frame to enable two side end faces of the outer rebar net frame not to be communicated with each other, a PVC supporting pipe is arranged in the middle of the stainless steel pipe, a foam glass layer is arranged at each of two ends of the PVC supporting pipe, and an irregular through hole structure is arranged on each foam glass layer. A structure with the inner and outer rebar net frames is adopted, so that strength of integral structure can be enhanced; the water-absorbent expanding resin is adopted inside, so that outside water can be absorbed, integral structure strength is improved; a graphite plate structure is adopted, so that wear resistance of an outer structure can be improved.

The invention discloses a water-resistant and wave-resistant drainage type concrete brick which comprises a brick body, a water-resistant layer, a water-insulating layer and a plurality of protective reinforcements. The brick body comprises a wave-resistant surface and a drainage surface. The wave-resistant surface is arranged on the side surface of the brick body, and is a convex cambered surface. The drainage surface is arranged on the top surface of the brick body. The thickness of the drainage surface is gradually increased in the direction far from the wave-resistant surface. The water-resistant layer is arranged on the outer side of the brick body. The water-insulating layer is horizontally arranged in the brick body. The protective reinforcements are arranged in the brick body. By adoption of the way, the wave-resistant surface is adopted to effectively and quickly eliminate waves; the water-resistant layer is arranged to effectively prevent the brick body from corrosion due to damp; the protective reinforcements can further improve the wave protection capability of the brick body; and the water-resistant and wave-resistant drainage type concrete brick is wide in market prospect.

The invention discloses a double-layer waterproof ancient architecture floor. The ancient architecture floor comprises a floor surface layer, a lime interlayer, a floor base layer and asbestos, wherein the lime interlayer is arranged on the bottom face of the floor surface layer, the floor base layer is arranged on the bottom face of the lime interlayer, the asbestos is arranged between the floor surface layer and the lime interlayer as well as between the lime interlayer and the floor base layer, and drilled holes are evenly formed in the surface of the lime interlayer. By means of the mode, the dampproof effect of the ancient architecture floor can be enhanced effectively, the ancient architecture floor is prevented from being affected with damp and corroded, and the service life of the ancient architecture floor is prolonged.