1248results about How to "Guaranteed cleanliness" patented technology

The invention relates to the technical field of curtain walls, and provides a building energy-saving curtain wall which comprises a curtain wall body, the curtain wall body comprises a frame, outer glass arranged on the frame and inner glass rotationally connected to the frame, a cavity is formed between the outer glass and the inner glass, and an air inlet is formed in the outer glass; the curtain wall body is provided with a filtering assembly, the filtering assembly is used for filtering dust of air entering the cavity from the air inlet, the filtering assembly comprises a gauze element arranged in the cavity, the gauze element is obliquely arranged, the upper end of the gauze element is inclined towards the inner glass, and the lower end of the gauze element is inclined towards the outer glass. The lower end of the gauze element inclines towards the outer glass, and a driving assembly used for driving the gauze element to move in the length direction of the gauze element is arranged on the frame. According to the invention, the position for adsorbing dust before the gauze element is changed, and the retention amount of subsequent dust and the circulation amount of air are improved, so that the filtering effect and the ventilation performance are improved.

A multi-wire cutting machine achieving feeding action through movement of a cutting wire net is provided with a base, a machine frame, a workbench, a cutting feeding system, a wiring system and a control system, the base is horizontally arranged, the machine frame and the workbench are installed on the base, the cutting feeding system and the machine frame are assembled, and the wiring system is arranged on the base and the machine frame; the cutting feeding system comprises a lifting seat, a lifting motor and a lead screw nut transmission mechanism, the lifting motor is installed on the top of the rack, and the lifting seat is driven by the lead screw nut transmission mechanism to move up and down; the routing system comprises a cutting wire, a pay-off mechanism, a guide wheel, a tensioning mechanism, a grooved wheel and a take-up mechanism, the cutting wire bypasses the guide wheel and the tensioning mechanism which are arranged on the rack and is wound on the grooved wheel to form a cutting wire net, and the grooved wheel is mounted on the lifting seat. According to the multi-wire cutting device, cutting operation of large graphite material workpieces is achieved, and the purposes of simplifying the structure of multi-wire cutting equipment and improving the machining quality of the workpieces are achieved.

The application discloses a compressor lubricating oil path system, and belongs to the technical field of compressor lubrication, which comprises a lubricating oil tank, an oil conveying assembly, a cooling assembly and a filtering assembly, wherein the cooling assembly comprises a first cooler and a second cooler, and the filtering assembly comprises a first filter and a second filter; a first branch is arranged between the inlets of the first cooler and the second cooler, the second outlets of the first cooler and the second cooler are connected to a first backflow branch, and the first backflow branch is communicated to the lubricating oil tank; a second branch is arranged between the inlets of the first filter and the second filter, the second outlets of the first filter and the second filter are connected to a second backflow branch, and the second backflow branch is communicated to the lubricating oil tank. The application guarantees that the standby equipment is still full of lubricating oil in the standby state, and guarantees that the lubricating oil in the standby equipment is in a circulating flow state in the normal working process, thereby solving the problems of oil pressure fluctuation and oil temperature fluctuation existing in equipment switching.

The invention discloses a pig farm sewage treatment system and method, and belongs to the technical field of farm sewage treatment, the pig farm sewage treatment system sequentially comprises a water collecting tank, a dosing mixing tank, a solid-liquid separator, an adjusting tank, a HiRAD anaerobic device, a reaction sedimentation tank, a water quality adjusting tank, an SBR biochemical tank, a C-MBR biochemical tank, a disinfection tank and a reuse water tank; by means of the system and the method, sewage discharged by the pig farm through the liquid manure technology can be effectively purified, organic carbon in the sewage can be converted into methane to the maximum extent, the methane becomes a high-quality biomass resource, waste is turned into wealth, emission of toxic gas is avoided, it is guaranteed that the pig farm is clean and sanitary, and the economic benefits of the pig farm are improved. Infection and spreading of diseases are avoided; meanwhile, a large number of nutrient sources, such as nitrogen and phosphorus, in the sewage are converted into organic fertilizer; the purified wastewater is deeply cleaned, so that the recycling standard is met, and the cyclic utilization of resources is realized.

The utility model provides a kind of monitoring system of photolithography machine internal environment, comprising: photolithography machine;Air circulation air outlet located in the photolithography machine inside;Particle detection device located at the air circulation air outlet, for real-time monitoring the particle contaminant inside the photolithography machine and generating detection data;Data sending module is electrically connected with the particle detection device, for accepting the detection data and real-time transmission to external monitoring equipment;Real-time monitoring and data real-time transmission to photolithography machine internal environment particle contaminant are realized.This enables operator to promptly understand photolithography machine internal air quality condition, provides strong guarantee for the stable performance of photolithography process, improves the automation level and operating efficiency of entire photolithography machine.

The utility model relates to the technical field of edible oil storage, and discloses a split charging device for edible oil storage, which comprises a bottom plate, a fixed frame is mounted in the bottom plate, a liquid storage barrel is mounted at the top of the fixed frame, a split charging head is mounted on the front surface of the liquid storage barrel, and a control mechanism is mounted on the front surface of the liquid storage barrel; the rotating mechanism is located in the fixed frame and used for rotating in the direction of the split charging head; and the dismounting mechanism is located at the top of the split charging head and used for dismounting and mounting the split charging head, the dismounting mechanism comprises a sealing assembly and a clamping assembly, and the sealing assembly is located on the outer side of the split charging head and plays a sealing role. Through the design of the dismounting mechanism, the split charging head can be conveniently dismounted from the equipment to be cleaned or replaced, and the maintainability and flexibility of the equipment are improved; the sealing assembly keeps the sealing performance of the device, leakage of edible oil is effectively prevented, and the cleanliness of the operation environment is guaranteed.

The utility model relates to the technical field of radio frequency coaxial connectors, and particularly discloses an anti-slip radio frequency coaxial connector convenient to install, which comprises a joint, a connector shell arranged at one end of the joint, a connecting block arranged at the bottom of the connector shell and an adjusting mechanism arranged below the connector shell. The adjusting mechanism comprises a threaded cylinder, a threaded groove is formed in the bottom of the connector shell, and the threaded groove is in threaded connection with the threaded cylinder; a protection mechanism is arranged at the bottom of the threaded cylinder; the protection mechanism comprises a protection plate fixedly connected with the interior of the threaded cylinder, the threaded cylinder and the protection mechanism are matched to protect the connecting block, the height can be adjusted to adapt to different scenes, the connecting block can be conveniently and rapidly connected with an external contact piece, the structure is simple, operation is convenient, and meanwhile the protection plate is made of excellent materials and designed to be anti-skid and anti-pollution. The effects of protection, convenient installation, reliable connection and convenient operation are achieved.

The utility model belongs to the technical field of double-sided release film production, particularly relates to a double-sided release film production processing device, and aims to solve the problems that the efficiency is low and the precision is easily influenced by operators when the position of a cutting blade is manually adjusted to adjust the cutting width in the prior art; in order to solve the problems that in the prior art, due to the fact that a dust removal roller is short of a self-cleaning function and needs to be frequently shut down for cleaning, the production efficiency is influenced, the following scheme is provided: the automatic dust removal device comprises a rack, and an unwinding roller and a winding roller which are used for unwinding and winding are arranged at the top of the rack. On the basis of high-precision displacement adjustment, vibration offset is eliminated through the self-locking characteristic of a worm gear, and the stability of the slitting width of film materials of different specifications is ensured. The self-cleaning assembly integrating the scraping plate and the negative pressure dust collection removes impurities on the surface of the dust removal roller through dynamic contact type scraping, the dust is sucked away in real time in combination with a negative pressure pipeline, the efficient dust removal period is prolonged, and the shutdown maintenance requirement is reduced.

The utility model discloses a water circulation temperature control machine with a water tank cleaning function, which comprises a base, a temperature control machine body and a water tank are sequentially and fixedly mounted at the top end of the base, and the temperature control machine body is connected with a water tank pipeline through a connecting water pipe. A rectangular block matched with the inner section of the water tank in size is arranged in the water tank, a plurality of annular cleaning rubber strips are fixedly arranged on the outer edge of the rectangular block at equal intervals, and a plurality of round cleaning brushes are rotatably connected to the bottom end of the rectangular block at equal intervals. According to the water tank inner wall cleaning device, the installed servo motor drives the trapezoid lead screw to rotate, the trapezoid lead screw drives the connecting plate to ascend and descend, the connecting plate is connected with the rectangular block through the connecting rod, and therefore the rectangular block is driven to ascend and descend, and the inner wall of a water tank is cleaned through the annular cleaning strip arranged on the side wall of the rectangular block; the bottom of the water tank is cleaned through the rotating round cleaning brush at the bottom of the rectangular block, and cleanliness of the interior of the water tank is guaranteed.

The utility model discloses a full-automatic die-cutting machine for processing high-grade gift boxes, which comprises a workbench, an automatic feeding component is arranged at the top end of the workbench, a first rotating roller is rotatably connected in the top end of the workbench, a second rotating roller is rotatably connected in the top end of the workbench, first belt pulleys are symmetrically and fixedly mounted on the periphery of the first rotating roller, and second belt pulleys are symmetrically and fixedly mounted on the periphery of the second rotating roller. A narrow conveying belt is arranged in the middle of the first belt wheel and the middle of the second belt wheel, a rotating motor is fixedly installed at one end of the workbench, and an output end shaft of the rotating motor penetrates through the workbench and is fixedly installed on the first rotating roller. Fixing is completed by automatically bouncing the reset spring into the embedding rod, additional tools are not needed, the installation efficiency is improved, the scraping plate makes contact with the narrow conveying belt, scraps adsorbed by static electricity can be scraped off in time, the surface of the conveying belt is kept clean, the service life of equipment is prolonged, and it is guaranteed that high-grade gift boxes are machined efficiently and stably; the production benefit and the product quality are improved.

The utility model discloses an automobile washer with a backflow prevention function, and relates to the field of automobile washers. The automobile washer with the backflow prevention function comprises a washer unit and a backflow prevention unit. The backflow preventing unit is composed of a sleeve, a valve seat, a movable disc, a connecting rod, a valve plate, a spring and a collecting tank. The washer unit comprises a water tank, a connecting pipe, a water pump and an output pipe. The two ends of the sleeve are communicated with the connecting pipe and the output pipe respectively. According to the automobile washer with the backflow prevention function, through the synergistic effect of the valve seat, the movable disc, the valve plate and the spring, when the washer works normally, water flow pushes the movable disc and the valve plate to move, and the water flow smoothly passes through the washer; when the automobile washer stops working, the elastic force of the spring enables the valve plate to abut against the valve seat rapidly and tightly, washing liquid is prevented from flowing back, pollution to other parts in a system caused by the flowing-back liquid is effectively avoided, cleanliness of the washing liquid is guaranteed, and the overall performance of the automobile washer is improved.

The newspaper conveying device for the printing machine comprises a body, two dust collecting cylinders are rotationally arranged on the input side of an inner cavity of the body, a plurality of dust collecting grooves are formed in the outer walls of the dust collecting cylinders at equal intervals, a plurality of sponge strips are fixedly arranged on the outer walls of the dust collecting cylinders, and the sponge strips and the dust collecting grooves are arranged in a penetrating mode. The sponge strip on the dust collection cylinder at the bottom can make contact with the conveying line, and the shaft ends, corresponding to one side of the dust collection box, of the dust collection cylinders are each of a cavity design. According to the conveying device, the two dust collection cylinders are arranged on the input side of the conveying line, dust on the two faces of paper can be removed at the same time, meanwhile, the sponge strip can synchronously remove dust on the conveying line, overall cleaning of the paper and the conveying line is guaranteed, the paper can be stably printed when passing through the conveying line, and the printing efficiency is improved. And under the arrangement of the arc-shaped isolation plates, dust collection channels of the dust collection grooves are all located on the surfaces of the paper and the conveying line, the dust collection strength is further improved, and wasted resources are reasonably utilized.

This utility model belongs to the technical field of auxiliary equipment for belt conveyors, specifically relating to a device for cleaning mud and powder from sand and gravel on an inclined belt. It includes a lower frame, with two upper frames fixedly connected to the upper side of the lower frame. An elastic pushing bracket is fixedly connected between the two upper frames. A scraper is mounted on the upper side of the elastic pushing bracket. The elastic pushing bracket includes a crossbar and two threaded rods, which are respectively fixedly connected to the two upper frames. Each end of the crossbar has a first circular hole, and the two threaded rods are respectively inserted into the two first circular holes. This utility model can complete the cleaning of the inclined conveyor belt during the operation of the belt conveyor, ensuring that the scraper can closely contact the inclined conveyor belt, guaranteeing a cleaning effect, and reducing wear damage to the inclined conveyor belt caused by high friction between the scraper and the belt.

The utility model discloses a cleaning agent self -suction type cleaning brush, including the casing, the bottom rotation of casing is equipped with the brush head, and the top is equipped with the water outlet pipe of fixed setting, and the inside is equipped with the drive assembly of transmission connection with the brush head, the bottom of brush head is equipped with the water jet, the upper end of water outlet pipe is linked with outside inlet valve, and the lower extreme is passed through the casing and is set and is opposite water jet, and the side detachable connection has the jar for storing cleaning agent, be equipped with self -suction device in water outlet pipe, the jar is linked with water outlet pipe through self -suction device, and self -suction device is suitable for the cleaning agent in negative pressure suction jar, the utility model discloses the clean water and cleaning agent separate storage, and realize the automatic mixing of cleaning agent and clean water when using, guarantee the cleaning effect, make the cleaning agent have longer effective period, convenient for the user to use.

This invention discloses a bedrock curtain grouting device and apparatus for impermeable layers, relating to the field of grouting equipment technology. It includes a mixing mechanism, a mounting frame, and a mixing tank mounted on top of the mounting frame, with a mixing shaft movably connected inside the mixing tank. A grouting mechanism, including a grouting pipe, is also included. Through the cooperation of the mixing mechanism, grouting mechanism, and drive mechanism, a motor drives the mixing shaft and crankshaft to rotate. The mixing shaft drives the mixing blades to rotate, rapidly producing cement. The crankshaft drives the piston rod and piston plate to reciprocate up and down, causing changes in air pressure inside the grouting pipe, thereby continuously extracting the prepared cement and preventing cement blockage inside the grouting pipe. A cleaning mechanism is provided, using a pump to draw water to wash the inner wall of the cylindrical chamber of the mixing tank. The rotation of the mixing shaft drives the scraper to rotate, thereby scraping off some of the cement adhering to the curved surface inside the truncated cone chamber, keeping the inside of the mixing tank clean.

This utility model relates to the field of cabinet panel processing technology, and discloses a sanding device for processing cabinet panels that facilitates clamping. It includes a worktable with a clamping mechanism and a sanding mechanism. The clamping mechanism includes a limiting plate, a moving hole, a support frame, and a drive motor. The limiting plate is connected to the top of the worktable. This utility model uses the drive motor to rotate a lead screw, which in turn drives a slider to move vertically along the limiting groove of the support frame. This causes the slider to move a wedge-shaped pusher downwards along the moving hole, allowing the inclined surface of the wedge-shaped pusher to push the cabinet panel closer to the limiting plate. This clamps and fixes the cabinet panel between the limiting plate and the wedge-shaped pusher, automatically adapting to panels of different thicknesses. The clamping is secure and requires no manual adjustment, improving operational efficiency.

The utility model provides a horizontal spiral centrifuge for separating nucleic acid from yeast. The horizontal spiral centrifuge comprises an outer shell, a rotary drum and a spiral which rotate coaxially are arranged in the outer shell, a liquid discharging cavity and a residue discharging cavity are formed in the two sides of the outer shell, a residue discharging head and a liquid discharging pump wheel are arranged at the two ends of the rotary drum, the residue discharging head is arranged in the residue discharging cavity to rotate, and the liquid discharging pump wheel is arranged in the liquid discharging cavity to rotate; a slag storage cylinder is fixedly arranged at a slag discharging opening in the bottom of the slag discharging cavity, and a cover plate opened through pressure induction is arranged at the bottom of the slag storage cylinder. By introducing an advanced automatic control system, an optimized mechanical structure and a high-efficiency cleaning system, the operation efficiency and safety of the equipment are improved, long-term stable operation is ensured, and the equipment is particularly suitable for the field of biotechnology application with high requirements for hygienic standards and operation safety. According to the design, the user experience is remarkably improved, and a reliable, efficient and easy-to-maintain solution is provided for the user.

The utility model relates to pharmaceutical equipment technical field especially relates to a kind of powder accumulation prevention wall cleaning device of spray drying tower.It is a kind of powder accumulation prevention wall cleaning device of spray drying tower, including main part, limiting screw rod, locking knob, sliding sleeve, first pivot, folding rod, brush and hinged rod, main part bottom fixed connection has limiting screw rod, limiting screw rod is threadedly connected with locking knob, locking knob bottom periphery fixed connection sliding sleeve, limiting screw rod lower end rotationally connects first pivot, first pivot periphery is cross-distributed rotationally connected with folding rod, folding rod outer end is all fixedly connected with brush, and each folding rod outer side top and sliding sleeve lower periphery between rotationally connected with hinged rod.The utility model is moved up and down along limiting screw rod by rotating locking knob and driving sliding sleeve, realizes the unfolding and folding of folding rod, improves the operation convenience and maintenance efficiency of equipment, reaches the effect that it is easy to operate and efficiently to complete drying tower inner wall cleaning.

The utility model discloses a kind of live pig slaughtering process carcass bacterium-reducing equipment, it is related to slaughtering bacterium-reducing technical field, including first baffle, second baffle, water pump, water supply line and motor, the first baffle inside is provided with cleaning mechanism, the cleaning mechanism includes water pump, cleaning roller, motor, water supply line and high pressure spray head, the high pressure spray head is set below water supply line, the water supply line is set above water pump, the motor is installed above cleaning roller, cleaning mechanism is through the double action of high pressure spray head water spraying and cleaning roller mechanical friction, realize the stereoscopic removal of carcass surface stain and bacteria.

The utility model provides a kind of new trend device with air purification function, including air inlet pipe and air outlet pipe, the air inlet pipe and air outlet pipe one end are connected by air guide pipe, air inlet pipe air inlet one end is fixedly connected with primary filter plate, air inlet pipe and air outlet pipe inside are respectively rotatably connected with multiple wind baffle, air guide baffle is rotatably connected in the air guide pipe inside, two sealing bosses are fixedly connected in the air guide pipe inside, air guide baffle both sides are attached to sealing boss, synchronous wheel group is fixedly connected above one side wind baffle and air guide baffle installed in the air inlet pipe or air outlet pipe;Air flow switching is realized by the linkage design of air guide baffle and wind baffle, when needing to clean primary filter plate, overturn motor drives air guide baffle rotation degree, simultaneously by synchronous wheel group and synchronous belt one drive wind baffle synchronous rotation, make air flow reverse through primary filter plate and realize automatic backflush cleaning, solve the problem that traditional filter screen is easy to block.

The embodiment of the application relates to the technical field of intelligent bathroom, and discloses a cleaning system and a water path control method. The cleaning system comprises a sterilization device, a heating device, an electrolytic water device and a water conveying device; the sterilization device, the heating device, the electrolytic water device and the water conveying device are connected with each other in pairs to form a water path passage; after a cleaning liquid enters the cleaning system, the cleaning liquid flows through the sterilization device, the heating device and the electrolytic water device in sequence and then flows out from a water outlet of the water conveying device. The cleaning system provided by the application can reduce temperature difference feeling while ensuring that the cleaning liquid is safe and harmless to human bodies, improve user use comfort, and enable the cleaning liquid to have a bacteria killing function; the electrolyzed cleaning liquid is sprayed on the surface of a cleaning rod or a toilet bowl, so that the cleaning rod or the toilet bowl is ensured to be clean and pollution-free.

The utility model relates to the technical field of waste water pool suspended matter treatment, and discloses a vcm-containing waste water pool suspended matter treatment device which comprises a waste water pool body, four supporting blocks are fixedly connected to the top end of the outer portion of the waste water pool body, two guide rods are fixedly connected to the close sides of the two supporting blocks, and the vcm-containing waste water pool is arranged in the waste water pool body. A first motor is fixedly connected to the left side of the supporting block on the left side, a rotating shaft is fixedly connected to the driving end of the first motor, a circulating groove is formed in the outer portion of the rotating shaft, a sliding block is slidably connected to the outer portion of the rotating shaft, a connecting roller is fixedly connected to the top end of the interior of the sliding block, and a sliding piece is fixedly connected to the top end of the connecting roller. According to the utility model, the cleaning and collecting structure can move continuously through circulating sliding, sediment accumulation at a fixed position is avoided, in addition, suspended solids are collected in the middle and are extruded and compressed at the same time, so that the suspended solids are more compact, and the risks of flying and diffusion are reduced.

The utility model discloses a concrete batching plant for concrete production, including the first fixed frame of rectangle, the vertical setting support leg of four corners of first fixed frame fixedly connected with, the interval fixed connection of first fixed frame inner wall has two batching bins, the horizontal setting rectangle of support leg middle position fixedly connected with the second fixed frame, the baffle of two ends fixed connection of second fixed frame top is provided with the conveyer belt between the inner wall of two baffle two ends, and two conveyer belts respectively opposite two batching bin bottom end's discharge gate setting, be provided with the mixing bin between two conveyer belts, and the mixing bin top is fixedly connected on second fixed frame bottom, and the scraping collection subassembly of two sides of second fixed frame bottom is provided with, and scraping collection subassembly carries out scraping to conveyer belt bottom surface.

This utility model relates to the field of heating spoon technology, and in particular discloses a heating spoon, including a spoon body assembly and a handle assembly used in conjunction with the spoon body assembly. The spoon body assembly includes a spoon head with a blind groove for holding material and a heating element for heating the spoon head. The blind groove for holding material has an inner groove concave surface for contacting the target object to be heated. The handle assembly has a spoon handle with a hollow cavity structure, and a control module electrically connected to the heating element is integrated within the hollow cavity structure. This heating spoon achieves reasonable division of core functions. The spoon body assembly focuses on material holding and heating, while the handle assembly integrates control functions, avoiding component interference and facilitating use. The inner groove concave surface of the blind groove for holding material makes close contact with the target object to be heated, improving the heat transfer efficiency of the heating element. The hollow cavity spoon handle can protect the control module and also reduce heat conduction, preventing burns to the hands, thus combining practicality and safety.

The utility model relates to the technical field of fabric winding, specifically a fabric winding mechanism, including bottom plate, slide rail and fixed block, the fixed frame upper end places the winding roller, the fixed frame outer wall upper end one side screw has the slide rail, the slide rail inner wall one side screw has the guide rod, the guide rod outside slide installation has the sliding block, the sliding block outer wall upper end rotation has the compression roller installed, the sliding block outer wall upper end one side welds the fixed block, the fixed block inside rotation has the pivot, the pivot one side outer wall welds the support arm, the support arm outer wall one side screw has the beating pole, can make the dust, the thread end or residual fiber that fabric body surface adheres and falls off, reached the purpose to the fabric body cleaning, ensured the cleanness of fabric body, the guarantee of subsequent winding quality, and can release the stress inside fabric body, the wrinkle of unfolding fabric body, further guarantee the winding quality of fabric body.

The application relates to the technical field of energy-saving electrical appliances, and discloses an air purifier dust cleaning control method and device, an air purifier and a storage medium, the method comprises the following steps: obtaining operation data of the air purifier, wherein the operation data comprises an inlet particle concentration, an outlet particle concentration, a real-time air volume corresponding to a fan gear, an effective operation duration and an inlet humidity; calculating a real-time purification efficiency and an accumulated dust flux based on the operation data; converting the accumulated dust flux into an estimated filter screen dust dry weight by using an adaptive nonlinear dust prediction model; and jointly judging the estimated filter screen dust dry weight and the decay rate of the actual purification efficiency relative to the benchmark efficiency by using double thresholds, so that the insufficient robustness caused by single parameter misjudgment is effectively avoided; and finally, a graded dust cleaning strategy is matched according to the determined dust accumulation level, which prevents the wear of the filter screen and the dust cleaning structure caused by invalid dust cleaning, ensures complete cleaning when the dust is seriously accumulated, and significantly prolongs the service life of the filter screen and reduces energy consumption.

This utility model discloses a granulation equipment for perfluorosulfonic acid resin powder, relating to the field of granulation equipment. It includes a fluidized bed granulator with several observation windows fixedly inserted. A rotation limiting assembly is rotatably mounted on each observation window. The rotation limiting assembly consists of a rotating ring, a collar, a connecting rod, a protrusion, and a spring. The collar is located inside the rotating ring and coaxial with it. There are two connecting rods, both fixedly connected to the rotating ring and the collar. By setting the rotation limiting assembly (composed of the rotating ring, collar, connecting rod, protrusion, and spring) on ​​the observation window, and a cleaning assembly (composed of a base shaft, a rubber scraper, and an anti-detachment baffle), when debris adheres to the inner end of the observation window glass, the operator can rotate the rotating ring, causing the collar to rotate synchronously. The protrusion inside the collar drives the base shaft to rotate through the guide rail groove, allowing the rubber scraper to scrape and clean the inner surface of the transparent glass, effectively removing the attached powder and adhesive.

The utility model relates to the field of spraying, especially wear -resistant parts surface processing spraying device, including organic shell, spraying pipe, rotating rod, winding rod and fixed assembly etc. ; The spraying pipe is fixedly connected to the shell, the shell is connected with two fixed assemblies, the shell is connected with four rotating rods, and the shell is rotatably connected with two winding rods. The spraying pipe and the wear -resistant pipe are covered in its inner side through the recovery film, the paint mist that escapes is attached and condenses on the surface of recovery film, then moves along the surface of recovery film to the direction close to the discharge pipe, finally through the discharge pipe into the storage of external recovery device, so the escaping paint is recycled, to reduce the waste of paint, to avoid the existing spraying equipment usually directly spraying paint to the wear -resistant pipe surface, a large number of paint can not effectively adhere to the wear -resistant pipe surface, but in the form of paint mist escapes to the air, leads to the problem of a large amount of paint waste.

A kind of double half-ring type anti-settling buried protection device, including buried cylinder, buried upper cover and two clamps;The buried cylinder is the cylinder that is permeable up and down, the upper end of the buried cylinder is integrally formed with the detection cylinder section for built-in installation and protection gas detector;The buried upper cover can be detachably installed at the upper end of the detection cylinder section, for closing the upper port of the detection cylinder section, so as to protect gas detector when burying;Two clamps are detachably connected together and tightly embrace on the outer circumference of the detection cylinder section;The outer circumference of the clamp is integrally formed with anti-settling half-ring, and two anti-settling half-rings are synthesized into whole circular anti-settling ring.The buried cylinder of the utility model can effectively increase the contact reliability with the earth by two anti-settling half-rings, so that the buried cylinder can be stably fixed in the earth, the pressure capacity of buried protection device is enhanced, and settlement is avoided, and the design of two clamps can effectively reduce the installation difficulty of the whole device.