36results about How to "Keep surfaces clean" patented technology

The utility model is suitable for the technical field of mine side slope monitoring equipment, and provides mine side slope monitoring equipment based on radar and GNSS, comprising a bottom plate, the top of which is provided with a vertical plate and two side plates; the rotating shaft is rotationally mounted on the sides, close to each other, of the two side plates and is provided with a rotating seat; the supporting column is fixedly mounted on the rotating seat; the shell is fixedly mounted at the top end of the supporting column; the leveling mechanism is arranged on the bottom plate and used for adjusting the angle of a shell of the supporting column; the monitoring alarm mechanism is arranged on the shell and is used for monitoring the landslide displacement of the mine slope; and the power supply mechanism is arranged on the shell and is used for supplying power to the equipment. The mine side slope monitoring equipment based on the radar and the GNSS can monitor and alarm landslide displacement of the mine side slope, is suitable for mine side slopes with different gradients, and has a function of cleaning the photovoltaic panel, so that black dust attached to the photovoltaic panel is prevented from influencing the power generation efficiency of the photovoltaic panel.

The utility model relates to the technical field of spinning machinery, in particular to a spinning device for a spinning machine, which can quickly and automatically clean a spinning nozzle in a spinning gap, maintain the surface clean, guarantee the spinning effect and improve the reliability. Comprising a spinning machine spinning mechanism and a spinning nozzle, the output end of the spinning machine spinning mechanism is communicated with the inner end of the spinning nozzle, and the spinning device further comprises an inner ring, balls, an outer ring, an annular brush, a speed reducer connecting frame, a speed reducer, a motor, a driving bevel gear and a bevel gear ring. The front end of the inner ring is connected with the rear end of the bevel gear ring; the middle part of the top end of the outer ring is connected with the rear side of the speed reducer through the speed reducer connecting frame; the input end of the speed reducer is connected with the output end of the motor; the output end of the speed reducer is connected with the middle part of the top end of the driving bevel gear; and the driving bevel gear is movably meshed with the bevel gear ring.

The invention discloses adjustable flue gas desulfurization demisting equipment, and relates to the technical field of environmental protection engineering, the adjustable flue gas desulfurization demisting equipment comprises a demisting machine, the outer wall of the bottom end of the demisting machine is fixedly provided with a flue gas inlet pipe, the top of the demisting machine is fixedly provided with an exhaust passage, and the outer wall of the top end of the demisting machine is slidably provided with an outer pull box. When smoke flows on the surface of the flow guide plate, smoke dust in the smoke can be attached to the inner wall of the flow guide plate, a motor is started, the motor drives a rotating rod to rotate, the rotating rod drives an L-shaped fixing frame to rotate, the L-shaped fixing frame drives a sliding rod to rotate, the sliding rod drives a connecting block to rotate, the connecting block drives a scraping plate to rotate, and the scraping plate scrapes away the smoke dust on the surface of the flow guide plate. According to the demister, the surface of the guide plate is kept clean, possible obstruction of smoke dust accumulation on smoke flowing is prevented, continuous and efficient operation of the demister is ensured, and therefore the treatment efficiency and stability of the whole demister are improved.

The invention discloses an anti-seepage brick for an electrolytic cell lining and a preparation method thereof, the anti-seepage brick comprises an aluminum silicate mixture, the aluminum silicate mixture is composed of at least three of pyrophyllite, flint clay, clay, silica, albite and potassium feldspar, a potassium silicate eutectic and a fine powder sintering aid are added, the materials are uniformly mixed, a binding agent is added for granulation, mechanical pressing molding is performed, and high-temperature sintering is performed; the aluminum silicate mixture is prepared from the following raw materials in parts by weight: 50 to 75 parts of pyrophyllite, 20 to 42 parts of flint clay, 1 to 8 parts of albite and 1 to 5 parts of potassium silicate eutectic. The invention relates to the technical field of anti-seepage bricks, and particularly provides an anti-seepage brick for an electrolytic cell lining and a preparation method of the anti-seepage brick.

The invention discloses test equipment for deep purification of industrial kiln flue gas, and relates to the technical field of industrial flue gas purification and detection. A cover plate is connected to the upper end of the box body; a first filter plate is connected to the surface of the cover plate; an air inlet pipe is connected to the upper end of the cover plate; an output port of the air inlet pipe is matched with the first filter plate in position; the upper end of the cover plate is connected with a longitudinal push rod, the top end of the longitudinal push rod is connected with a lock plate, the surface of the lock plate is provided with a fixing hole, and the surface of the lock plate is further connected with a touch switch; when the lock plate and the gas transmission connecting end of the industrial kiln are connected and closed, the touch switch on the surface of the lock plate synchronously makes contact with the connecting end and triggers and starts the air draft motor, when smoke is introduced, the two gas analyzers are immediately started to detect the introduced smoke in time, and the operation efficiency is high.

The utility model discloses a ventilation pipeline cleaning device which comprises a main body assembly, a cleaning assembly and a cleaning assembly. The camera is fixed on the top surface of the movable rod; the protection assembly comprises a set of supporting rods, a movable plate, a sliding groove and a sliding block. The supporting rods are fixed to the top ends of the movable rods, the movable plate is movably connected between the top ends of the inner sides of the supporting rods, the sliding grooves are formed in the two sides of the movable plate, and the sliding blocks are slidably connected into the sliding grooves. The pipeline cleaning device aims to solve the problems that when an existing pipeline is cleaned, a cleaning device needs to be placed in the pipeline, then a worker operates the cleaning device from the outside, the cleaning device in the pipeline cleans the pipeline, meanwhile, the worker observes the cleaning condition in the pipeline through a camera on the cleaning device, and during cleaning, the cleaning device is not convenient to clean. And dust and other sundries in the pipeline can cover the camera shooting position of the camera, so that the camera shooting picture is fuzzy.

The invention discloses a stainless steel shell laser cutting and online detection system and a working method thereof, and belongs to the technical field of laser processing. The system comprises a mounting base arranged on a rotating platform, an adsorption fixing assembly for adsorbing and fixing the stainless steel shell through negative pressure, a cutting mechanical arm with a laser cutting head arranged at the end, and a self-cleaning and online detection cooperation device. The collaborative device comprises a directional moving seat moving along the contour of the inner wall of the shell, a detection contact pin for sensing the normal displacement change of the inner wall of the shell in real time, and a cleaning brush for cleaning scraps; and a probe of the contact pin is wrapped in the middle of the brush. In the laser cutting process, the detection contact pin and the cleaning brush synchronously move along the inner wall of the shell, shell positioning deviation possibly caused by stress release during cutting is monitored in real time, emergency stop is triggered immediately when normal displacement deviation exceeds a preset threshold value, and cutting track deviation and workpiece scrapping are effectively avoided; meanwhile, a cleaning brush ensures that the surface of a detection area is clean, and detection reliability is improved.

This utility model discloses an inspection device for the production of magnetic chucks, relating to the field of magnetic force testing technology. The utility model includes an inspection table with a placement frame fixedly mounted on its top. The placement frame has a placement area and a clamping assembly for holding the magnetic chuck in the placement area. Two sliding rods are fixedly mounted on the placement frame relative to the placement area, and sliding plates are sleeved and slidably mounted on the two sliding rods. An adsorption block is located at the bottom of the sliding plate opposite the placement area. A fixed frame is fixedly mounted on the inspection table, and a lifting plate is slidably mounted on the fixed frame. A cylinder for driving the lifting plate is mounted on the fixed frame, and a tension sensor is fixedly mounted on the lifting plate. A connecting rod is fixedly mounted between the test end of the tension sensor and the sliding plate. A controller is located on the inspection table. This utility model accurately measures the adsorption force using a tension sensor. It has a simple structure, is easy to operate, and can effectively detect the adsorption performance of magnetic chucks, improving inspection efficiency and accuracy.

This invention provides an elastic waterproof putty powder coating structure, belonging to the field of waterproof coating technology. It includes a substrate treatment layer, on the outer surface of which are sequentially arranged an alkali-resistant layer, an elastic waterproof main layer, a crack-resistant reinforcing layer, an elastic decorative surface layer, and a surface protective cover layer. This invention, through the design of the elastic waterproof main layer, uses it as its core, achieving long-lasting waterproofing through multi-layer sealing and high elasticity. Simultaneously, it can cope with substrate deformation, reducing leakage at its source. On one hand, the nano-silane in the elastic waterproof bottom layer imparts hydrophobic properties, allowing for the drainage of small amounts of infiltrated water. On the other hand, the elastic waterproof main layer can deform synchronously with the micro-cracks caused by thermal expansion and contraction and slight settlement of the substrate, always maintaining the integrity of the waterproof membrane and avoiding leakage problems caused by substrate deformation and cracking in conventional waterproof coatings.

The application discloses a trachea cannula production cutting device, which comprises a workbench, a cutting mechanism and a polishing mechanism arranged on the workbench, the cutting mechanism comprises a support frame, a hydraulic cylinder, a hydraulic push rod, a cutting knife and a bidirectional screw rod, the support frame is installed on the workbench, the hydraulic cylinder is installed on the support frame, the hydraulic cylinder output end is connected with the hydraulic push rod, the hydraulic push rod is connected with the cutting knife, the workbench surface is provided with a mounting groove, the bidirectional screw rod is arranged in the mounting groove, the polishing mechanism comprises a sliding rail, a sliding seat, a connecting seat, a limiting sleeve, a universal ball and a polishing head, the sliding rail is installed on both sides of the workbench, the sliding seat is connected with the sliding rail, the connecting seat is connected with the sliding seat, the connecting seat top is connected with the limiting sleeve bottom, the universal ball is embedded in the limiting sleeve, and the universal ball one end is connected with the polishing head. The application can not only ensure that the cutting is completed at one time and the uncut phenomenon is avoided, improve the efficiency, but also can polish the burrs generated during the pipe cutting, and ensure the use safety.

This invention discloses a continuous drawing production method for aluminum alloy cable conductors. The specific steps of the production method are as follows: S100, pre-treating the aluminum alloy rod blank to make it ready for drawing; S200, using a non-sliding wire drawing machine driven by a motor, and configuring a roughing die, a medium drawing die, and a fine drawing die in sequence according to the drawing order; S300, setting a fracture early warning processing mechanism between adjacent drawing dies, which includes an acoustic emission sensor, a temperature sensor, a diameter gauge, an eddy current flaw detector, and a tension sensor; S400, continuously drawing the pre-treated aluminum alloy rod blank through the roughing die, the fracture early warning processing mechanism, the medium drawing die, the fracture early warning processing mechanism, and the fine drawing die in sequence; during the drawing process, each fracture early warning processing mechanism collects real-time data on the acoustic emission, temperature, wire diameter, surface defects, and tension of the aluminum conductor at the corresponding position; S500, after drawing, sending the conductor into an online annealing device for continuous annealing treatment.

A garment processing device includes a housing, an outer cylinder, a door seal, and a first spray head. The door seal has a pleated section, and the first spray head is located at the top of the pleated section. The first spray head includes a first tube and an extension tube. The first tube is installed at a first connection port, and the extension tube extends downward from the bottom end of the first tube and is located inside the pleated section. A first spray hole and a second spray hole are respectively located on opposite sides of the top end of the extension tube. A third spray hole is located at the bottom end of the extension tube facing the garment inlet, and a fourth spray hole is located on the left or right side of the bottom end of the extension tube, facing the pleated section below the extension tube. By coordinating the first, second, third, and fourth spray holes, the first spray head can simultaneously spray water onto the inside and outside of the door seal, as well as the observation window of the housing door, thereby reducing the number of spray heads and simplifying the structure of the garment processing device.

The utility model discloses an intelligent polishing device for wooden furniture, which relates to the technical field of furniture processing, and comprises a device seat and a polishing machine, the upper side of the device seat is provided with a tightening frame capable of sliding back and forth, the front side of the tightening frame is provided with a sliding sleeve seat capable of sliding left and right, and the left and right sides of the sliding sleeve seat are rotatably connected with positioning blocks; a plurality of positioning grooves corresponding to the positioning blocks are evenly formed in the front side of the tightening frame, a polishing base sliding up and down is arranged on the outer side of the sliding sleeve base, and a transparent plate is fixedly installed on one side of the polishing base. Wood is accurately clamped through the tightening frame, it is guaranteed that the wood is stable and does not move in the polishing process, the positioning block on the sliding sleeve base is accurately aligned with the surface of the wood, the polishing precision is improved, and the polishing base sliding up and down on the outer side of the sliding sleeve base can adjust the equipment to adapt to different wood thicknesses and keep a proper contact position. A transparent plate and a surrounding baffle effectively prevent wood chips from flying, the working environment is kept clean, safety is enhanced, and stable and uniform polishing is guaranteed through the linkage design of a first rotating plate and a second rotating plate.

The utility model belongs to the technical field of incoming line structure, and disclose double -wheel line storage machine with incoming line structure, including the front end surface left side fixed establishment base of double -wheel line storage machine body, the upper end surface fixed establishment fixed body of base, the upper end surface middle of fixed body is equipped with the line outlet, the inside right side fixed establishment rubber sealing ring of line outlet, the inside middle fixed establishment hollow column of line outlet, and hollow column right side is fixed with rubber sealing ring, through hollow column, brush device and rubber sealing ring, fixed plate, utilize rubber sealing ring to be able to adapt to the pressure and temperature of different working environment, have good sealing performance and can adjust in the specified range, have stable friction coefficient, good corrosion resistance and strong wear resistance, simple structure is convenient for use maintenance replacement, and the brush can gather the tiny silk thread on the incoming line disc into a group, keep the surface of incoming line disc clean, and the combination provides reliable protection for line storage machine, prolongs the service life of equipment.

This invention relates to the field of electric vehicle charging technology, specifically to a high-safety, high-power wireless charging device and method for automobiles. The mounting frame and connecting lines are located underground. A sliding groove is formed at the upper end of the mounting frame, and a protective top plate is slidably installed within the sliding groove. The protective top plate is located on the ground. A bidirectional threaded rod is rotatably installed inside the sliding groove. A connecting bracket is movably installed inside the mounting frame, and a charging component is nested inside the upper end of the connecting bracket. An electric push rod is fixedly installed inside the mounting frame, and the output end of the electric push rod is connected to the bottom of the connecting bracket. A protective cleaning mechanism and a heat dissipation adjustment mechanism scrape and clean the surface of the charging component, keeping the coil surface clean and improving coupling efficiency. Simultaneously, hydraulic linkage of the hydraulic cylinder automatically matches the heat dissipation intensity with the charging rate and heat generation intensity, achieving energy saving and high efficiency.

The utility model discloses a titanium alloy piece forging equipment belongs to forging equipment field, include: main unit, it includes base and the workbench of matching installation with base, through the cooperation of above -mentioned each device, put the workpiece of waiting forging in the workbench, start to beat machine and forge, when needing to turn over, first start moving assembly, drive the opposite side disc of two sets of clamping plate firm clamping workpiece from both sides, start position adjusting assembly again, drive moving assembly, clamping plate, carousel and workpiece remove to the one side of workbench, make workpiece separate from table top, and staff manually rotate carousel, drive workpiece 180 degrees in the air and overturn, after overturning, use position adjusting assembly and put back workpiece, and operate moving assembly and let carousel loosen workpiece, and beat machine can forge workpiece another side, solve alloy part forging, often need to turn over workpiece, and the worker manually operates with the clamp, and the problem of time -consuming and labor -intensive and reduces forging efficiency.

The invention provides a transformer substation insulator, and relates to the technical field of insulators, the transformer substation insulator comprises a first fixing plate, a first connecting pin is rotatably connected in the first fixing plate, a suspension ring is sleeved in the first connecting pin, one end of the suspension ring is fixedly connected with an insulator body, and one end of the insulator body is fixedly connected with a connecting cap. When a plurality of insulator bodies are connected, a rotating handle is screwed, the rotating handle drives a rotating disc to rotate through a round rod, and in the rotating process of the rotating disc, a first sliding rod slides in an arc-shaped groove to drive a clamping block to slide outwards; the clamping block can be driven to slide for limiting and fixing only by screwing the rotating handle, the operation is simple and convenient, no extra tool needs to be carried during high-altitude operation, the working efficiency is improved, the risk of operators during high-altitude operation is reduced, the connection convenience of the insulator body is improved, and replacement and maintenance work is facilitated.

The utility model relates to building structure technical field proposes a kind of solar energy and building integration's building structure, comprising: wall and the storage groove being arranged in the one side of wall and the solar panel being arranged in the inboard of storage groove;Two rotating rods symmetrically arranged inside storage groove, and the both ends of rotating rod are rotatably connected between wall;Two groups of telescopic mechanisms are set on the outer wall of rotating rod, and one U-shaped frame is commonly provided on two groups of telescopic mechanisms;Two protective components symmetrically arranged on the one side of wall, and one end of two protective components is respectively connected between two rotating rods;Auxiliary mechanism is set on protective component, and auxiliary mechanism is connected between wall;By telescopic component driving inverted L frame lifting, so that brush can clean the surface of solar panel, and then both need not manual cleaning, reduce maintenance difficulty and time cost, can also ensure the surface cleaning of solar panel, improve its power generation efficiency.

The present application relates to a kind of automobile parts multifunctional electrophoretic painting system, including electrophoresis chamber, the conveying mechanism being set in electrophoresis chamber, multiple equidistantly set in conveying mechanism and for supporting and shielding part support mechanism, set in the outside of electrophoresis chamber and for conveying part to support mechanism feeding mechanism, at least two set in electrophoresis chamber and for electrophoretic coating part electrophoretic mechanism and at least two set in electrophoresis chamber and respectively for the part of each electrophoretic mechanism electrophoretic coating after drying drying mechanism;Support mechanism includes the support frame being set in conveying mechanism, the support component being set in support frame and for supporting part and the shielding component being set in support component and for shielding the non-electrophoretic coating area when first electrophoretic coating shielding component.The present application solves the problem that the existing color coating is unstable, the degree of automation is low, the production cost is high, and the coating surface effect is poor.

The invention discloses a bearing steel spheroidizing annealing technology which comprises the following steps: cleaning bearing steel in a modified maleopimaric acid lauramide sodium dicarboxylate solution, taking out the bearing steel, washing the bearing steel with water, and drying the bearing steel to obtain the cleaned bearing steel; the method comprises the following steps: heating the cleaned bearing steel to 900-1100 DEG C for the first time in an electric pulse manner, preserving heat, cooling to 600-700 DEG C, preserving heat, cooling to room temperature, heating to 650-750 DEG C for the second time, preserving heat, cooling to 500-700 DEG C, cooling to room temperature, heating to 800-900 DEG C for the third time, preserving heat, cooling to room temperature, heating to 120-200 DEG C for the fourth time, preserving heat, cooling to room temperature, and cooling to room temperature. And annealing to obtain the annealed bearing steel. The method is used for solving the technical problem that the bearing steel after spheroidizing annealing is unstable in quality.

The present application relates to the technical field of vacuum packaging machine, and disclose a kind of vacuum packaging machine, including bottom plate, the top of the front of the bottom plate is equipped with shell, the inside of the shell is equipped with vacuum machine, the inside of the shell is also equipped with cleaning structure, the bottom of the both sides of the shell is equipped with linkage structure, the bottom of the shell is equipped with vacuum tube, the cleaning structure can be used with linkage structure each other, the bottom of the front of the bottom plate is equipped with flattening structure, the flattening structure can be used with linkage structure each other, the cleaning structure and flattening structure provided by the present application can be used each other, flattening structure can control cleaning structure to work by lifting movable seat, cleaning structure can be cleaned by the cooperation between control panel and top plate to the inner wall of vacuum tube, avoid vacuum tube to be inserted into bag to work when wall inside is contaminated with dirt, affect later vacuum operation.

The utility model provides a heat preservation bowl which comprises a handheld structure, an inner bowl and a base, the handheld structure comprises a fixing ring and a handheld handle fixedly connected with the fixing ring, the base is provided with a heat preservation cavity, and the top of the base is detachably and fixedly connected with the fixing ring; the inner bowl is at least partially contained in the heat preservation cavity, one of the outer wall of the inner bowl and the inner wall of the fixing ring is provided with a plurality of first connecting tenons distributed in the circumferential direction, and the other one of the outer wall of the inner bowl and the inner wall of the fixing ring is provided with a plurality of first connecting grooves distributed in the circumferential direction. The first connecting tenons can be screwed into the first connecting grooves in a one-to-one correspondence mode when coaxially and relatively rotating along with the inner bowl and the fixing ring so that the inner bowl and the fixing ring can be detachably and fixedly connected. According to the heat preservation bowl, the inner bowl body and the base are both directly connected with the fixing ring of the handheld structure, a user can hold the handheld handle of the handheld structure to take the inner bowl body out of the base, the food taking convenience is improved, and the use safety of the heat preservation bowl is improved.

This utility model relates to the field of fecal fermentation technology, specifically to a fecal fermentation device, including an inner fermentation tank with an electric heating plate fixed to its inner wall for heating; corrugated reinforcing ribs welded to the outer wall of the inner fermentation tank to enhance its strength; and rock wool board covering the corrugated reinforcing ribs and the tank wall, with its outer side bonded to the inner wall of the outer fermentation tank to form a heat insulation layer. The outer fermentation tank and the inner fermentation tank are simultaneously welded and fixed together by a top upper flange and a bottom lower flange to form an integrated structure. This design places the corrugated reinforcing ribs within the heat insulation layer, making the outer wall of the outer fermentation tank smooth and flat, avoiding the accumulation of pollutants and cleaning difficulties. The rock wool board reduces heat loss, the corrugated reinforcing ribs ensure the stability of the thin-walled structure, and the double flange fixing improves overall rigidity. While achieving lightweighting, structural strengthening, and optimized insulation, it significantly improves the ease of surface cleaning and hygiene safety.

The invention provides an auxiliary cooling device for friction welding of solid bars and a working method of the auxiliary cooling device, and belongs to the technical field of friction welding. The problem that after welding of existing friction welding equipment is finished, due to the fact that the residual temperature of a welding seam is too high, a welded workpiece needs to be transferred to a heat treatment procedure for quenching treatment, and the strength of the welding seam cannot be improved in time is solved. The device comprises a main shaft side box body, a movable sliding table box body, a machine tool body, a tailstock fixing seat, a tailstock side to-be-welded part and a gas spraying mechanism, the main shaft side box body is installed on one side of the machine tool body, the movable sliding table box body is installed on the other side of the machine tool body in a sliding mode through a movable sliding table rail, and a main shaft side clamp is installed in the main shaft side box body through a main shaft fixing seat. The tailstock side clamp is installed in the movable sliding table box body through the tailstock fixing base, a to-be-welded workpiece on the tailstock side is clamped and fixed through the tailstock side clamp, and the gas spraying mechanism is arranged on the outer side of a welding area of the to-be-welded workpiece on the tailstock side. The device is mainly used for protecting a welding area during welding.

The utility model discloses a kind of multi-directional pressurizing mould of rock plate blank dry compression forming, it is related to rock plate production equipment technical field.The utility model includes base, and the guide rod of four corner places on its surface is installed, the top of guide rod is provided with hydraulic equipment, the upper surface center position of base is installed with mould seat, the outside of mould seat is provided with lifting side mould, lifting pressure seat is slidably installed on the outer wall of guide rod, the rear end face of lifting side mould is provided with push material assembly, the upper surface side of base is provided with dust suction assembly.The utility model plays the role of cleaning to dust on the surface of mould seat by push material assembly, guarantees the surface neat of production equipment, can avoid powder waste simultaneously, and the dust suction assembly is used to suck the dust flying in dust box generated in the falling position of guide plate powder, avoid a large amount of dust flying in working environment, affect the health of production personnel.

The invention relates to the technical field of corrugated guardrail plate treatment processes, in particular to an anti-corrosion treatment process for a used corrugated guardrail plate of a highway. According to the technical scheme, the anti-corrosion treatment process further comprises treatment equipment, the treatment equipment comprises pretreatment equipment, hot galvanizing equipment and plastic spraying equipment which are sequentially arranged, and conveying equipment used for conveying the wave-shaped guardrail plate is arranged among the pretreatment equipment, the hot galvanizing equipment and the plastic spraying equipment. The pretreatment equipment is used for pretreating the wave-shaped guardrail plate and improving the adhesion capacity of the wave-shaped guardrail plate; the hot galvanizing equipment receives the waveform guardrail plate and then carries out hot galvanizing treatment on the surface of the waveform guardrail plate; and the plastic spraying equipment is used for carrying out plastic spraying processing on the wave-shaped guardrail plate subjected to hot galvanizing treatment. According to the corrugated guardrail plate processing equipment, integration of corrugated guardrail plate processing equipment is achieved, then the technology before spraying of an anti-corrosion layer of the corrugated guardrail plate is completed, the adhesive force of the anti-corrosion layer is enhanced, the anti-corrosion effect of the corrugated guardrail plate is further improved, and the service life is prolonged.

The application discloses a full-size homogeneous nonmetal pipe gas permeability test sample and a pretreatment method, and belongs to the technical field of gas permeability test. The pretreatment method adopts the form of oil medium immersion, drying and vacuum extraction, eliminates the moisture, volatile substances and attached oil stains of the pipe raw material and the sample in the manufacturing process, fills and extracts the gas and impurities in the intermolecular gap of the polymer material. At the same time, the sample is calibrated and controlled in each stage to avoid the loss of additives and the change of performance of the sample caused by excessive cleaning and vacuum extraction. The immersion process of the application utilizes the similar compatible principle to efficiently fuse the oil medium with the oil stains and impurities in the nonmetal pipe sample, and the oil medium, the oil stains and the impurities are taken out in the drying and vacuum extraction process, and then the rapid and deep cleaning of the nonmetal pipe sample is completed.

The utility model provides an integrated touch terminal which comprises a touch terminal body and a health protection mechanism, the bottom surface of the touch terminal body is fixedly connected with a supporting stand column, the bottom surface of the supporting stand column is fixedly connected with a supporting base, and the outer side surface of the touch terminal body is provided with the health protection mechanism. A privacy protection mechanism is arranged on the outer side surface of the supporting stand column, through the arrangement of the health protection mechanism, a set of automatic and replaceable protection system is formed, and a sliding rod moves in a sliding guide groove to drive a covering frame to cover or fold a window plate, so that the surface of the touch terminal body is protected when no one uses the touch terminal, and the user experience is improved. The transparent film is automatically replaced after being used every time, different users are prevented from directly contacting the same surface on the touch terminal, cross infection is effectively prevented, and the mechanism for automatically replacing the film is particularly important in public places such as hospitals, shopping malls and public transportation hubs and environments with dense crowds and frequent use.

The utility model relates to the technical field of photovoltaic power generation, and discloses a protection structure for photovoltaic power generation, which comprises a bracket, a photovoltaic panel is mounted on the bracket, fixed plates are fixed on two sides of the bottom end of the photovoltaic panel, a movable plate is arranged on the photovoltaic panel, a water spray pipe is arranged on the movable plate, and a water outlet pipe is arranged on the water spray pipe. A plurality of spraying holes are formed in the water spraying pipe, a driving assembly is arranged on the photovoltaic panel, and a water supply assembly is arranged on the support. According to the utility model, the surface of the photovoltaic panel is flushed back and forth from the top to the bottom through the water spraying pipe, so that dust, leaves and other sundries attached to the photovoltaic panel can be effectively removed, and the surface of the photovoltaic panel is kept clean. Therefore, the power generation efficiency of the photovoltaic panel can be improved, the clean surface can absorb sunlight more effectively, the photovoltaic panel is prevented from being shielded by the leaves, the hot spot phenomenon of the photovoltaic panel is avoided, and the photovoltaic panel is protected.

The utility model belongs to the technical field of anti-collision devices, and particularly relates to a ship berthing anti-collision device which comprises a mounting base station, circular grooves are formed in one side of the mounting base station in an array mode, dampers are fixedly arranged in the circular grooves, springs are arranged at the telescopic ends of the dampers, U-shaped blocks are fixedly arranged at one ends of the dampers, and the U-shaped blocks are fixedly arranged at the other ends of the dampers. And an anti-collision fender is movably arranged on one side of the U-shaped block. According to the anti-collision fender, the dampers and the springs are installed, when a berthing ship makes extrusion contact with the anti-collision fender, the anti-collision fender can absorb collision energy, meanwhile, the extruded anti-collision fender pushes the U-shaped blocks to extrude the dampers, secondary buffering and pressure reducing can be formed through the dampers and the springs, and therefore the anti-collision fender can absorb collision energy. The buffering and pressure reducing effect of collision between the ship and the wharf is improved, and the technical problems that the buffering effect of a single rubber fender is usually poor, and the edge of the ship and the rubber fender are prone to being squeezed and damaged are effectively solved.