158results about How to "Improve scraping efficiency" patented technology

The invention relates to the technical field of tank cleaning, in particular to a cleaning device for dairy product processing equipment, which comprises a lifting seat, a rotating table and a scraping and washing assembly, a mounting seat is fixedly arranged on the rotating table, the scraping and washing assembly comprises a telescopic mechanism, two groups of grinding and scraping mechanisms and two groups of liquid spraying mechanisms, and the telescopic mechanism comprises two groups of telescopic arms. Each set of grinding and scraping mechanism comprises a transmission part and two strip-shaped scraping rods, the liquid spraying mechanism comprises a liquid spraying pipe, each telescopic arm is provided with a scraping rod cleaning mechanism, each scraping rod cleaning mechanism comprises a strip-shaped sliding frame, a delay part and two spraying heads, each delay part comprises a supporting plate and a limiting pin, and a strip-shaped limiting groove is formed in each strip-shaped sliding frame. According to the milk tank cleaning device, the two strip-shaped scraping rods in the grinding and scraping mechanism can be attached to the inner wall of the milk tank to slide up and down in a reciprocating mode, the contact area of the strip-shaped scraping rods and the inner wall of the milk tank is large, milk residues on the inner wall of the milk tank can be scraped conveniently, the milk residues which are solidified and scaled can be scraped through up-down sliding of the strip-shaped scraping rods, and the cleaning efficiency of the milk tank is greatly improved.

The invention relates to the technical field of atmospheric particulate monitoring, and discloses a portable atmospheric particulate automatic monitoring device and a monitoring method.The portable atmospheric particulate automatic monitoring device comprises a monitoring box, a fixing rod and a fixing box are fixedly installed on a top plate of the monitoring box, a sliding frame is slidably installed at the bottom end of the fixing rod, and two rotating rollers distributed in a mirror image mode are rotatably installed in the sliding frame; after air is conveyed to the filter belt through the air inlet pipe, the reciprocating movement of the sliding frame enables the filter belt under the air inlet pipe to reciprocate while the scraping assembly scrapes particulate matters adsorbed on the inner wall of the air inlet pipe, so that the position of a to-be-detected area at the air outlet of the air inlet pipe is continuously changed; at the moment, even if the particles scraped by the scraping assembly slide down along the inner wall of the air inlet pipe, the particles can also fall to different positions of a to-be-detected area on the filter belt, so that the particles are distributed more uniformly, and the problem that the accuracy of a detection result is reduced due to the fact that the scraped particles are accumulated at the edge of the to-be-detected area is avoided.

The invention discloses automatic cleaning equipment for a water inlet pipe of an automobile motor, relates to the technical field of cleaning equipment, and aims to solve the technical problem that when the water inlet pipe of the motor is cleaned, the inner wall and the outer wall are cleaned separately, and the cleaning efficiency is low. A cleaning cylinder is movably connected between the two end plates, and a plurality of draining grooves are formed in the side surface of the cleaning cylinder. By arranging the cleaning mechanism, the interior and the exterior of the motor water inlet pipe can be cleaned at the same time through high-pressure water flow, impurities on the inner wall of the motor water inlet pipe can be scraped off, the clamping and cleaning functions of the motor water inlet pipes of different sizes can be achieved through the clamping assembly, the bent water inlet pipe can be corrected through the straightening assembly, and the interior of the water inlet pipe can be conveniently cleaned; according to the semi-automatic automobile motor water inlet pipe inner wall cleaning device, the semi-automatic automobile motor water inlet pipe inner and outer cleaning function is achieved, and the cleaning effect of the motor water inlet pipe can be improved.

The invention discloses sludge cleaning equipment for a water conservancy pipeline, and relates to the technical field of pipeline desilting, the sludge cleaning equipment comprises a pipeline desilting trolley, a rack is detachably mounted on one side of the pipeline desilting trolley, and a stabilizing mechanism is fixedly mounted on the inner wall of the rack and used for enhancing the stability of the whole equipment; the sludge cleaning equipment for the water conservancy pipeline further comprises a driving mechanism, and the driving mechanism is provided with a driving motor fixedly installed on the inner wall of the end, away from the pipeline dredging trolley, of the rack. According to the sludge cleaning equipment for the water conservancy pipeline, through cooperative use of the stabilizing mechanism, the driving mechanism, the moistening and scraping mechanism and the crushing and scraping mechanism, on the basis of ensuring stable advancing of the equipment, dry sludge in the water conservancy pipeline is moistened and scraped, the sludge is crushed and cut, the diameter value of sludge blocks is reduced, and the sludge cleaning efficiency is improved. Therefore, the utilization efficiency of sludge cleaning equipment is improved, and the cost loss of water conservancy pipeline sludge cleaning is reduced.

The utility model provides a galvanized plate slag scraping device, and relates to the technical field of galvanized plate production. A support frame is fixedly connected to the center of the outer part of the mounting base; the left portion of the top end face of the supporting frame is fixedly connected with a mounting frame. The top end surface of the mounting frame is in bolt fastening connection with a driving motor; two groups of guide chutes are symmetrically formed in the mounting base; a hollowed-out plate is connected into each of the two groups of guide sliding grooves in a sliding manner; the bottom end faces of the two hollowed-out plates are symmetrically and fixedly connected with a set of supporting springs. A control gear is driven to rotate in the moving process of a control rack, a hollowed-out plate is vibrated through a series of transmission in the rotating process of the control gear, zinc dross adhering to holes of the hollowed-out plate is shaken off, and the problem that due to the fact that the zinc dross has certain viscidity and accumulation performance, the zinc dross cannot be damaged in the long-time using process is solved. And the zinc slag is easy to attach in the holes of the hollowed-out plate and accumulate, so that the hollowed-out plate is blocked.

The invention relates to the technical field of papermaking processing, and discloses a papermaking wastewater treatment integrated device and a wastewater treatment method.The papermaking wastewater treatment integrated device comprises a flotation tank, one side of the flotation tank communicates with a feeding pipe, papermaking wastewater is discharged into the flotation tank through the feeding pipe, meanwhile, a motor is started, and the motor drives a rotating shaft to rotate; a rotating shaft drives stirring blades to rotate, a worker pours an agent into a flotation tank, the stirring blades stir the agent and wastewater to generate bubbles, impurities and the bubbles in the wastewater can float above the wastewater together, the rotating shaft drives a disc to rotate, the disc drives a belt to rotate, and the belt drives a rotating rod to rotate; the rotating rod drives the half-toothed plate to rotate, the double-sided toothed plate transversely moves in the rotating process of the half-toothed plate, the double-sided toothed plate drives the fixed shell to move, and the fixed shell drives the filter hole scraping shell to move, so that impurities floating above wastewater are pushed, and the impurities are scraped and filtered.

The invention relates to an ice crystal concentration system which comprises an ice crystal generation unit, the feeding end of the ice crystal generation unit is connected with the discharging end of a tubular heat exchanger through a first pipe set, and the ice crystal generation unit comprises a plurality of ice crystal generation modules which are sequentially cascaded. Each ice crystal generation module comprises an ice crystal generator and a centrifugal machine which are sequentially connected in series; the tubular heat exchanger precools materials, the precooled materials flow into the ice crystal generating units, the ice crystal generator in each ice crystal generating module freezes the precooled materials so as to form ice slurry, and the ice slurry is subjected to solid-liquid separation through the corresponding centrifugal machine, so that ice crystals in the ice slurry are separated out. Further, the materials are subjected to step-by-step freezing concentration. By arranging the multi-stage ice crystal generation module, the concentration time can be greatly shortened, so that the concentration efficiency is improved, and the energy consumption is reduced; meanwhile, volatilization and loss of aromatic substances can be avoided, and juice quality is guaranteed.

The invention discloses an ironing board welding processing system and method, and relates to the technical field of welding, the ironing board welding processing system comprises a base and further comprises a robotic arm installed on the base, a rotating table is rotatably installed at the end of the robotic arm, and a support is fixedly installed on the rotating table; and the clamping part is installed on the support, the welded ironing board is clamped and fixed through the clamping part, the clamping part is used for carrying out welding feeding operation, and the clamping part comprises a clamping assembly fixedly installed on the support. The welding device has the advantages that when the ironing board and the butt joint lugs are welded, the pressure of protective gas is used as a driving source, no extra driving source is needed, vibration generated during cleaning can be reduced, protective gas injection is smoother, and the welding efficiency is improved. Meanwhile, the pressing force between the scraper and the inner wall of the gas guide cylinder is adjusted through the pressure of the protective gas, scraping of the scraper is more thorough, in addition, the scraper can be cleaned, and the scraping efficiency of the scraper is improved.

The utility model provides a printing ink recovery device which comprises a box body, the interior of the box body is divided into a first containing cavity and a second containing cavity through a partition plate, a waste residue collecting assembly is arranged on the inner side of the first containing cavity, the second containing cavity is used for collecting ink, a filter plate is movably connected to the inner wall of the second containing cavity in an inserted mode, and a cleaning assembly is arranged at the top of the filter plate. A driving assembly used for driving the cleaning assembly is arranged on the outer wall of the box body, and the cleaning assembly comprises a grinding roller, a brush roller and a scraping plate; through the arrangement of the grinding roller, the second shaft and the scraping plate, filtered paper scraps and impurities are squeezed through rolling of the grinding roller, residual ink in the paper scraps is squeezed out, and therefore the paper scraps are retreated, the ink is effectively recycled, resource waste is avoided, the squeezed paper scraps and impurities can be turned up through rolling of the second shaft, and the paper scraps and the impurities are prevented from being damaged. On one hand, paper scraps and impurities are prevented from being tightly attached to the filter plate, the filter plate is prevented from being blocked, and the filtering effect is influenced, and on the other hand, the scraping efficiency of the scraping plate on the paper scraps and impurities is improved.

The utility model relates to the technical field of urban construction, in particular to a road roller for constructional engineering, which comprises a road roller main body, two first mounting holes are formed in the front end of the road roller main body, a cleaning component is fixedly mounted in the two first mounting holes, a support frame is fixedly connected to the front end of the road roller main body, and a cleaning component is fixedly mounted in the support frame. Four first fixing holes are formed in the upper end of the supporting frame in a penetrating mode, a mud scraping assembly is fixedly installed in the four first fixing holes jointly, a water tank is fixedly connected to the upper end of the road roller body, two connecting rods are fixedly connected to the front end of the water tank, and the two connecting rods are fixedly connected with a cleaning assembly jointly. According to the road roller for constructional engineering disclosed by the utility model, by arranging the mud scraping assembly, the purposes of quickly cleaning foreign matters on the compression roller and improving the working efficiency of the road roller are achieved; and by arranging the cleaning assembly, the purposes of conveniently cleaning foreign matters at dead corners and reducing manual cleaning burden are achieved.

The utility model discloses an insect repelling device for municipal landscaping, and particularly relates to the technical field of landscaping insect repelling, the insect repelling device comprises a base, the outer surface of a supporting rod is fixedly connected with fixing plates from top to bottom in sequence, the lower end of the fixing plate located at the upper part is fixedly connected with a driving device, and the middle side of the lower part of the driving device is rotatably connected with an insect attracting lamp; the outer side of the lower portion of the driving device is fixedly connected with an insect killing assembly, and the upper end of the fixing plate located on the lower portion is fixedly connected with a collecting assembly. According to the insect repelling device for municipal landscaping, in the using process, the insect repelling assembly can be driven to scrape insect bodies in cooperation with driving of the driving device, the situation that the insect bodies are accumulated on the surface of the insect repelling assembly, and the insect sticking effect is affected is avoided, meanwhile, the bodies are collected through the collecting assembly, and the insect repelling effect is improved. Insect bodies are prevented from falling on the ground to affect environmental sanitation, and the insect bodies are prevented from being blown out of the collecting box when wind is strong by matching with the arrangement of an inclined pipe.

The utility model discloses a diesel filter assembly in the technical field of diesel filters, which comprises a filter body, a sealing cover is hermetically arranged at the top of the filter body, a driving shaft is rotatably connected to the bottom of the sealing cover, and a plurality of stirring rods are fixedly mounted on the surface of the driving shaft from top to bottom. Connecting rods are fixedly installed on the surface of the driving shaft, scraping plates are fixedly installed at the ends, away from each other, of the two connecting rods, the sides, away from each other, of the two scraping plates are attached to the inner wall of the filter body, a driving motor is arranged, the driving motor is started to drive the driving shaft to rotate, and the driving shaft rotates to drive surface stirring rods to rotate; diesel oil in the filter body can be fully stirred through rotation of the stirring rod, so that the diesel oil can be conveniently filtered through the filter plate, the diesel oil attached to the inner wall of the filter body can be scraped off through the arrangement of the connecting rod and the scraper, the diesel oil is fully utilized, the diesel oil filtering effect is improved, operation is easy, and practicability is high.

The utility model relates to the technical field of sewage sludge cleaning devices, in particular to a sludge cleaning device for sewage treatment, which comprises a sewage sedimentation tank, sludge extraction components are arranged on the left side and the right side of the sewage sedimentation tank, and a sludge pushing device is arranged in the sewage sedimentation tank; the sludge pushing device comprises a sludge pushing plate, and the two ends of the sludge pushing plate are connected with limiting assemblies through pushing plate fixing blocks. The sludge pushing device is arranged, the driving device is used for driving the push plate fixing block to move front and back, then the sludge pushing plate is driven to move left and right, the limiting assembly is arranged, the telescopic guide column moves along the limiting groove, when the fixing block moves rightwards, the first push plate abuts against the bottom face of the sewage sedimentation tank, and when the fixing block moves leftwards, the second push plate abuts against the bottom face of the sewage sedimentation tank. The second sludge pushing plate is propped against the bottom surface of the sewage sedimentation tank, so that the sludge can be scraped when the sludge pushing plate moves left and right, and the scraping efficiency and the scraping effect are improved; sludge extraction assemblies are arranged on the left side and the right side of the sewage sedimentation tank, so that sludge can be extracted from two ends simultaneously, and the sludge cleaning efficiency is improved.

The invention discloses assembling equipment for an electric tricycle plate spring assembly, and relates to the technical field of plate spring assembling, the assembling equipment comprises a base, a first carrying mechanism used for carrying a steel plate is arranged on the upper side of the base, and an assembling mechanism used for assembling the steel plate is arranged on one side of the first carrying mechanism; a second carrying mechanism used for carrying screws and nuts is arranged on one side of the assembling mechanism, all steel plates are pressed through a first pressing block and a second pressing block, and meanwhile electric push rods and locking motors in the first pressing block and the second pressing block control the screws and the nuts to be automatically locked. The semi-arc plate is used for positioning rolling lugs for protecting the steel plates, so that the steel plates are effectively prevented from deviating when being pressed, and the assembling efficiency of the plate spring is high, and the semi-arc plate is used for positioning the rolling lugs for protecting the steel plates, so that the steel plates are positioned in the centers of the first pressing block and the second pressing block when being pressed, and the assembling efficiency of the plate spring is improved. And the effect of high plate spring assembling accuracy is achieved.

The utility model provides a detection scraping device and an excess material recovery system. The detecting and scraping device comprises a conveying mechanism, an excess material detecting mechanism and a scraping mechanism, the conveying mechanism is provided with a detecting area and a scraping area, the detecting area and the scraping area are arranged at intervals in the conveying direction of the conveying mechanism, the conveying mechanism is used for conveying external saggars, and the excess material detecting mechanism is located above the detecting area. The material scraping mechanism comprises a material scraping driving part and a material scraping part, the material scraping part is connected to the power output end of the material scraping driving part and located above the material scraping area, and a material scraping face is arranged on the peripheral side of the material scraping part. Therefore, the saggar does not need to be manually scraped, the efficiency of scraping the saggar is improved, and the labor intensity of workers is reduced.

This utility model discloses a waste heat recovery device for an oxalyl chloride distillation column, relating to the field of waste heat recovery technology. The utility model includes a heat exchange tank; the heat exchange tank is frustoconical in shape, and a water storage tank is fixedly connected inside the heat exchange tank. The water storage tank and the heat exchange tank have the same inverted cone inclination angle. An annular slide rail is fixedly connected to the bottom surface of the heat exchange tank, and a turntable is rotatably connected to the surface of the heat exchange tank. Several sets of extension plates are symmetrically hinged to the bottom surface of the turntable. Several sliding rods are symmetrically slidably connected inside the extension plates. Stops are fixedly connected to the periphery of the sliding rods, and springs are provided between the stop blocks and the extension plates. Moving plates are fixedly connected between the sliding rods in the same group, and brush bristles are provided on the moving plates. In use, by pulling the handle back and forth, multiple sets of brush bristles can be driven to repeatedly scrape away impurities on the outer surface of the water storage tank, preventing impurities on the steam from contaminating the outer surface of the water storage tank during waste heat recovery, thus avoiding impact on waste heat recovery efficiency.

The invention discloses an automatic powder strickling mechanism which comprises a strickling assembly, an automatic powder strickling assembly and a control assembly, and the strickling assembly comprises a pair of flanges which are connected to the free end of a motor and rotate along with a motor shaft of the motor; the blades are distributed between the pair of flanges in an array mode in the circumferential direction of the motor shaft and rotate in the circumferential direction of the motor shaft along with the flanges, and any blade at least has the state of abutting against the scraping plane when rotating along with the flanges; the driving assembly is connected with the slicking assembly and drives the slicking assembly to do reciprocating motion in the extending direction of the slicking plane; any blade is rotatably connected with the pair of flanges. The invention further claims to protect a using method of the automatic powder slicking mechanism. According to the device, the production efficiency can be remarkably improved, the labor cost can be reduced, standardization and consistency of powder slicking can be achieved through an accurate control mechanism, meanwhile, the requirements of an automatic production line are met, and the filter element preparation technology is promoted to advance towards higher-level intelligent manufacturing.

The utility model discloses an air spring automatic regulation belt conveyer sweeper, specifically related to belt conveyer cleaning technical field, including two belt support crossbeam, be equipped with the sweeper overall support between two belt support crossbeam, the sweeper overall support top is equipped with the scraper body, elastic mechanism, elastic mechanism is located between the scraper body and the sweeper overall support, is used to exert the elastic force to the scraper body, guide mechanism, guide mechanism is located the sweeper overall support top, is used to the orientation to the scraper body, gas supply mechanism, gas supply mechanism communicates with elastic mechanism, the utility model discloses a scraper body will compress air spring body, air spring body will give the scraper body an upward force makes the scraper always close belt, and the residual on the belt is scraped, simultaneously, the scraper will slide between two guide wheel bodies, and then improve the scraping efficiency of the scraper and guarantee the stability when the scraper moves.

The invention relates to the related technical field of sewage treatment, in particular to mouthwash production sewage treatment equipment which comprises a treatment pond, the treatment pond is divided into a coagulation zone, a flocculation zone and an air flotation zone, the treatment pond is provided with a mixing and shaking assembly in the coagulation zone, and the mixing and shaking assembly stirs and mixes sewage and a coagulant to form a mixed solution; the mixing and shaking assembly comprises a shaking barrel, the shaking barrel performs conical circumferential swinging in the coagulation area, the treatment tank is provided with a shaking and feeding assembly in the flocculation area, and the shaking and feeding assembly is used for uniformly sprinkling a flocculating agent into the coagulated sewage. Through conical swinging mixing of the coagulation area, reciprocating material sprinkling and staggered stirring of the flocculation area, fan-shaped stirring and gathering scraping of the air flotation area and continuous reciprocating motion of a stirring separation assembly, it is ensured that scum is removed in time, and the situation that the air flotation effect is affected due to the fact that a scum layer is too thick is avoided; the whole structure is compact, transmission is efficient, and the treatment efficiency of mouthwash production sewage and the stability of effluent quality are remarkably improved.

The utility model discloses an assembly type building prefabricated wallboard mould which comprises a bottom plate, an outer mould plate, a middle mould plate and a side mould plate, a plurality of vertical rods are respectively arranged on the outer side of the outer mould plate, the vertical rods are higher than the outer mould plate, and the higher parts of a pair of opposite vertical rods are connected with detachable opposite-pull screw rods; a plurality of supporting seats are arranged on the two sides of the bottom plate respectively, and adjustable ejector rod assemblies are arranged between the supporting seats and the vertical rods. A plurality of vibration exciters are further arranged on the outer side of the outer formwork. The prefabricated wallboard mold is simple in structure and easy to manufacture and use, concrete prefabricated wallboards can be produced in batches, and the production efficiency is high; and in addition, good flexibility and controllability are achieved, a plurality of concrete prefabricated wallboards with different thicknesses and sizes can be produced in the same mold, and the application range of the mold is widened.

The utility model discloses an automatic scaling powder slicking mechanism which is used for solving the technical problem that the production efficiency is reduced due to the fact that an existing automatic scaling powder slicking mechanism needs to be shut down to add scaling powder. The device comprises a rack, a detection assembly, a scraper assembly and a soldering flux adding assembly, a bearing seat is arranged at the top of the rack, a bearing groove is formed in the bearing seat, and a scraper is detachably mounted in the bearing groove; the scraper assembly is located above the bearing groove and driven to move in the length direction of the scraper in a reciprocating mode. The scaling powder adding assembly is installed on the rack and used for adding scaling powder to the scraper assembly. The detection assembly is installed on the bearing base and electrically connected with the scaling powder adding assembly, and the detection assembly is used for detecting the volume of scaling powder in the scraper assembly.

The invention discloses a high-salinity wastewater membrane separation pretreatment device which comprises an impurity removal unit, a membrane separation unit, a membrane separation unit, a membrane separation unit and a membrane separation unit which are sequentially arranged in the flowing direction of wastewater, and the impurity removal unit comprises an impurity removal chamber, a grating and a crushing assembly; the oil removal unit comprises a dissolved air tank and an air flotation chamber; the settling unit comprises a settling chamber and a settling tower plate; the filtering unit comprises a filtering chamber, a filtering cylinder and a filtering assembly. The device can crush large-particle pollutants in the high-salinity wastewater, remove pollutants such as petroleum through air flotation, fully mix the wastewater with a medicament, stand and settle, fully filter the wastewater and then send the wastewater to a membrane concentration process step, has the advantages of simple structure, convenience in operation, high operation efficiency, high practicability and the like, and is suitable for large-scale popularization and application.

The utility model discloses a dental probe which comprises a handle, the left end and the right end of the handle are respectively connected with a first probe and a second probe, the first probe is connected with a first scraper, and the second probe is connected with a second scraper; a first tip and a first external thread are arranged at the end, away from the handle, of the first probe, a first connecting pipe is arranged on the first scraper, a first internal thread is arranged in the first connecting pipe, the first tip extends into the first connecting pipe, and the first external thread is in threaded connection with the first internal thread; a second tip and a second external thread are arranged at the end, away from the handle, of the second probe, a second connecting pipe is arranged on the second scraper, a second internal thread is arranged in the second connecting pipe, the second tip extends into the second connecting pipe, and the second external thread is in threaded connection with the second internal thread. The glue scraping device is reasonable in structural design, clean in glue scraping and high in efficiency.

The utility model discloses annular valve piece raw material cleaning equipment relates to valve piece raw material cleaning technical field, including the cleaning pool of spring steel band to carry out cleaning, be provided with a plurality of guide rollers between the front and rear pool wall of cleaning pool, the adjacent two guide rollers are arranged up and down, and the front and rear sidewall on the discharge end of cleaning pool is installed with the liquid scraping mechanism, and the upper half portion of liquid scraping mechanism projects cleaning pool, and the liquid scraping mechanism includes two symmetrical arrangement's scraper, and the both ends of scraper are fixed on the front and rear pool wall of cleaning pool, and the two scrapers form the draining space of " V " type between two, and the both ends of two scrapers are butted on the both sides of spring steel band. The utility model discloses liquid scraping and draining completely, and the design of " V " type draining space makes residual liquid natural collection, and cooperates with the water leakage hole of inclination and realizes quick liquid discharge, and rubber strip and spring steel band closely adhere, improve the liquid scraping efficiency, and effectively avoid secondary pollution and steel band corrosion caused by residual liquid.

The utility model discloses a sewage sedimentation tank bottom mud scraping device which comprises a rectangular cross rod, a controller and a mud scraping mechanism, the controller is arranged on the upper end face of the rectangular cross rod, the mud scraping mechanism is located below the rectangular cross rod, the left end and the right end of the rectangular cross rod are each provided with a multi-stage electric telescopic rod, and the multi-stage electric telescopic rods are electrically connected with the controller; a motor cavity is formed in the rectangular cross rod, a power motor is inversely arranged in the motor cavity, the rear end of the power motor is fixedly connected with the top of the motor cavity, the power motor is electrically connected with the controller, a transmission shaft is fixedly arranged on an output shaft of the power motor, and the transmission shaft penetrates out of the bottom of the rectangular cross rod to be detachably connected with the mud scraping mechanism; the sludge scraping device is used for solving the technical problems that the length of an existing sludge scraping device at the bottom of the sewage sedimentation tank cannot be automatically adjusted and needs to be manually adjusted, the adjustment and installation time is long, the efficiency is low, and the sludge scraping efficiency at the bottom of the sewage sedimentation tank is low.

This utility model discloses a piston assembly with a combined piston ring and unloading groove structure, suitable for hydrogen combustion engines, including a piston ring assembly and a piston; the piston has a first ring groove and a second ring groove arranged sequentially from top to bottom, and an unloading groove is provided at the circumferential land between the first ring groove and the second ring groove, the lower end face of the unloading groove is inclined outward, and the inclination angle β satisfies 0°<β<90°; the piston ring assembly includes a top ring, which is disposed in the first ring groove, and the top ring includes a ring body and a scraper, the lower end face of the ring body is provided with a first groove that runs through the circumference, the first groove extends from the outer edge of the ring body inward, the first groove is used to embed the scraper, and the scraper can extend and retract radially along the first groove; the ring body and the scraper are respectively provided with a first opening and a second opening that run through both the radial and axial directions, and the circumferential offset angle α between the first opening and the second opening satisfies 90°≤α≤180°.

The utility model provides a windscreen wiper and a vehicle, and the windscreen wiper comprises a windscreen wiper main body which is connected with at least one fixing piece; the adapter is arranged on the windscreen wiper body and is separated from the fixing piece in the extending direction of the windscreen wiper body, and the adapter is used for being connected with the driving arm; the connecting piece is respectively connected with the fixing piece and the adapter, and the connecting piece can apply a force towards the scraped and brushed surface to the fixing piece. According to the windscreen wiper, the attaching force borne by all parts of the windscreen wiper body can be improved, the whole windscreen wiper can be tightly attached to the wiped face, stress borne by all parts of the windscreen wiper body is more uniform, the windscreen wiper can provide a larger wiping area and a more stable wiping state, the wiping efficiency is improved, and the wiping effect is improved. And the problems of shaking or scraping noise and the like caused by non-uniform stress of the windscreen wiper are avoided.

The utility model relates to the technical field of inclined plate sedimentation tanks, in particular to a solar power supply system for an inclined plate sedimentation tank. The device comprises a solar power supply device. The solar power supply device comprises a solar panel assembly, a corner assembly, a rotating assembly and a track assembly, the track assembly is mounted at the top of the inclined plate sedimentation tank through a mounting frame, one ends of the rotating assembly and the corner assembly are connected with the top of the track assembly, and the other ends are hinged to the solar panel assembly; the rotating assembly rotates to drive the solar panel assembly and the corner assembly to rotate around the axis of the rotating assembly along the outer contour line of the track assembly along with movement of the sun, and the corner assembly can drive the solar panel assembly to change the included angle between the solar panel assembly and the horizontal plane. Through the corner assembly, the rotating assembly and the track assembly, the front face of the solar panel assembly can face the sun, the solar energy absorption efficiency of the solar panel assembly is improved, and environmental pollution is prevented from being aggravated.

The utility model discloses a feeding device and a blow molding machine, the feeding device comprises a hopper, a slag scraping unit and an impurity removing unit, and the slag scraping unit comprises a slag scraping ring; the impurity removal unit comprises an impurity removal part and a driving assembly, the impurity removal part has magnetism and is used for adsorbing iron impurities, the shape and size of the section of the impurity removal part are matched with those of the slag scraping ring, and the driving assembly is in transmission connection with the impurity removal part to drive the impurity removal part to move between the hopper and the slag scraping ring; and the impurity removal piece can penetrate through the slag scraping ring to scrape iron impurities on the surface of the impurity removal piece. The blow molding machine comprises a feeding device. Compared with the prior art, the feeding device of the blow molding machine is provided with the slag scraping ring, the driving assembly can drive the impurity removing part to penetrate through the slag scraping ring, iron impurities on the surface of the impurity removing part and attached molten plastic are scraped together, the scraping efficiency is high, only one action is needed, and the scalding danger caused by manual scraping is avoided.

The present invention discloses a double-layer scraper roller chip removal device and method for machine tools, which relates to the technical field of roller surface cleaning, including a support seat, and also including two vertical frames fixedly mounted on the support seat, each of the two vertical frames having a side frame fixedly mounted thereon; a roller portion, the roller portion including a roller rotatably mounted between the two vertical frames, a driving assembly and a supporting assembly, the driving assembly is used to drive the roller to rotate, and the supporting assembly is used to support the roller. The advantages are: the present invention uses a double-layer indirectly operated scraper to clean the roller surface, which has the advantages of high cleaning efficiency and more thorough cleaning, cooperates with a vacuum cleaner to absorb the grease scraped off by the scraper, so that the scraper maintains a relatively clean state, and improves the scraping efficiency of the scraper, and at the same time, the grease adhered to the stopped scraper can be further targeted for treatment, and the cleanliness of the scraper can be further improved, thereby improving the scraping efficiency of the scraper.