170results about How to "Fix clean up" patented technology

The invention provides a method and system for data cleaning suitable for mass storage. The method includes the steps that step (101), a plurality of levels of catalogues are built below a mount point of cloud storage, and files are stored in the mounted catalogues, wherein the names of all the levels of catalogues are formed according to a plurality of bytes of file names; step (102), a distribution strategy is adopted for carrying out searching on one appointed level of catalogue, last access time of all the files below the catalogue is obtained, and the distribution strategy is that a plurality of processes are started simultaneously; step (103), according to the difference values among the last access time of all the files and current scanning time, which files needing to be deleted is judged, the concrete steps are that an initial threshold value is set, the files of which the different values are larger than the initial threshold value are searched and serve as the files to be deleted; if the files to be deleted are not searched, the initial threshold value is reduced, the files of which the different values are larger than the reduced initial threshold value are searched again and serve as the files to be deleted, and the operation is carried out until released storage space meets needs.

The invention discloses a floating object on water cleaning device and a cleaning method thereof, and belongs to environmental protection devices. The floating object on water cleaning devicecomprisesabasic assembly, a collection assembly, a cleaning assembly, and a fixingassembly;the base assembly comprises a water flow passage between hulls, a filter screen arranged on the water flow passage, and floating fencesarranged on the outer sides of the hulls; the collecting assembly comprises a first servo motor, rotating bladesconnected with the first servo motor through a transmission assembly; the cleaning assembly comprises a threaded rollerconnected with the first servo motor; and the fixing assembly comprises a plurality of retractable anchors at the bottoms of the hulls. According to thefloating object on water cleaning device and the cleaning method thereof,a cleaning device is fixed in a narrow water area by the retractable anchors and a fixing cable, garbage is gathered and collected by utilizing the fluidity of the water flow in the water area; or the collecting device is driven by a tractor boat to be inan S-shaped reciprocating motionina contaminated area, the gathering and collection of the garbage are achieved,and the problem of floating garbage cleaning in small water areas is solved.

The invention provides a machine tool chip removal cleaning device for a numerical control machine tool, and solves the problem of damage of chip accumulation to a machine tool. Safety is high, chipsare cleaned and collected in a grading way, the chip removal cleaning effect is good, efficiency is high, and cleaning liquid can be recycled. The machine tool chip removal cleaning device comprises abase and a primary collecting chamber, wherein the upper end of the primary collecting chamber is fixedly connected with a telescopic bracket; a telescopic sleeve is fixedly connected in the telescopic bracket; the telescopic sleeve is rotationally connected with a telescopic threaded sleeve; the telescopic threaded sleeve is in coaxial threaded fit with a reciprocating screw rod; the left end ofthe reciprocating screw rod is fixedly connected with a scraper plate; the right side of the lower end of the scraper plate is fixedly connected with a wedge-shaped scraper plate; the left side of the wedge-shaped scraper plate is provided with a brush which is fixedly connected with the lower end of the scraper plate; the front side and the rear side of the primary collecting chamber are respectively and rotatably connected with two groups of driving sprockets with opposite front and rear positions; a secondary scraper is fixedly connected between the driving sprockets at the two sides; andthe lower end of the secondary scraper is in contact connection with a primary filter screen fixedly connected with the lower end of the primary collecting chamber. The machine tool chip removal cleaning device has a simple and stable structure and has extreme high universality.

The invention discloses an agricultural grain screening device, and relates to the technical field of rice screening. The agricultural grain screening device comprises a box body. A rectangular frameis fixedly connected to the top of the inner wall of the box body, a feeding hopper is fixedly connected to one side of the top of the box body, a first motor is fixedly connected to the top of the box body and located on one side of the feeding hopper, one end of an output shaft of the first motor is fixedly connected with a rotating shaft through a coupling, and the bottom end of the rotating shaft sequentially penetrates through the box body and the rectangular frame and extends to the interior of the rectangular frame. According to the agricultural grain screening device, stirring blades are driven to stir the rice with greater intensity to screen the rice by the rotation of the rotating shaft, the working efficiency is improved, the working time is shortened, the multi-layer screeningdevice screens the rice, the screening is more convenient, the screening time is short, the labor intensity is low, the production efficiency is improved, and processing and production costs are reduced.

The invention relates to the field of agricultural implements, in particular to a cotton stalk pulling platform free of row controlling. The cotton stalk pulling platform free of row controlling comprises a rack. A bottom plate is arranged on the rack. A reel and an auger conveyer are arranged above the bottom plate. The cotton stalk pulling platform free of row controlling further comprises a stalk pulling roller which is arranged at the front end of the rack, a clearing roller located between the stalk pulling roller and the bottom plate and a stalk shifting roller located above the base plate, wherein the stalk pulling roller is located below the reel, the auger conveyer is located behind the stalk shifting roller and arranged above the stalk shifting roller, the stalk pulling roller comprises a stalk pulling shaft and a plurality of rows of V-shaped toothed plates which are arranged in the circumferential direction of the stalk pulling shaft, the V-shaped toothed plates are tangent to the contour of the stalk pulling shaft, the clearing roller comprises a clearing shaft and a plurality of rows of clearing teeth which are arranged in the circumferential direction of the clearing shaft, the tooth point of each clearing tooth is right opposite to the bottom tooth of the corresponding V-shaped toothed plate, and the stalk shifting roller comprises a stalk shifting shaft and rectangular plates which are arranged in the circumferential direction of the stalk shifting shaft. According to the cotton stalk pulling platform free of row controlling, the structure is simple, the cotton stalks can be pulled out completely without row controlling, and work energy consumption is greatly reduced.

The invention discloses a dust collecting box for a cleaning robot, the cleaning robot and a control method and belongs to the technical field of cleaning machines. The dust collecting box comprises a box body and at least one compression plate located inside the box body. Each compression plate is connected with a respective corresponding driving assembly to be at a loosened or compressed position under the drive of the driving assembly. By means of the dust collecting box for the cleaning robot, the cleaning robot and the control method, the problem that users need clean the dust collecting box frequently caused by the fact that dust in the dust collecting box is fluffy and occupies lots of space is solved; the fluffy dust is compressed, and accordingly space occupied by the dust is reduced, the dust collecting box is made to be capable of storing more dust, and frequency of cleaning of the dust collecting box by users is reduced.

The invention relates to a roller conveyer device for metallurgical slag materials. The roller conveyer device with a solid-liquid separation function comprises an internal spiral roller, a feed funnel and a sealing-supporting device, wherein the sealing-supporting device connects the rotating internal spiral roller with the static feed funnel into a whole; the internal spiral roller and the feed funnel are arranged in a V shape, and the internal spiral roller has an included angle with the horizontal plane; the periphery of the internal spiral roller is sleeved with a shaft sleeve capable of rotating together with the internal spiral roller; the shaft sleeve is arranged inside the sealing-supporting device; the shaft sleeve is shaped like a Chinese character 'tu'; one end and the peripheral surface of the shaft sleeve are in sliding contact with the sealing-supporting device; one end of the sealing-supporting device is fixed with a discharge hole of the feed funnel; the roller is driven to rotate by a driving device; the inner wall of the roller is fixed with at least one continuous spiral blade. The roller conveyer device can convey solid particles to a certain height and realize solid-liquid separation, is good in sealing effect, and can eliminate steam overflow caused by materials.

The invention discloses a floor seam beautifying removing device, which includes a device carrying plate, a cutting mechanism, a heating mechanism, a guide rod as well as a handle, a power connector and a switch. The floor seam beautifying removing device is characterized in that the cutting mechanism is located in the middle of the upper side of the device carrying plate, the heating mechanism islocated at the front end of the upper side of the device carrying plate, and the guide rod is located at the rear end of the lower side of the device carrying plate; the cutting mechanism includes acutting wheel, a driving motor and a transmission mechanism, a rotating shaft of the cutting wheel is connected with the driving motor through the transmission mechanism in a transmission mode; and the heating mechanism includes a heating box, a conical air supply outlet and an air blower, the conical air supply outlet is located on the upper side of the heating box and is connected as a whole ina sealed mode, and the air blower is connected with a port of the conical air supply outlet through a ventilation pipeline. According to the floor seam beautifying removing device, manual work can bereplaced to remove a solidified seam beautifying agent in gaps of a floor in one time, and people conveniently removes the floor and replaces the seam beautifying agent.

The invention discloses a rotary-vibrating and sieving device of nuclear fuel UO2 (uranium dioxide) microspheres. The rotary-vibrating and sieving device comprises a substrate on which an oscillating body is installed, wherein a lower sieve frame, a middle sieve frame and an upper sieve frame are respectively provided with a discharge hole; the outside of the oscillating body is provided with a spring connected with the substrate and the bottom of the lower sieve frame, an electrical rotating machine is installed in the oscillating body, and two output shafts of the electrical rotating machine are respectively provided with an oscillating arm on which an arc counterweight block is arranged. When the arc counterweight block is applied to the rotary-vibrating and sieving device and the same as the square counterweight block, amplitude and oscillation intensity are obviously promoted according to actual measurement, and spiral motion lines can be generated on the sieve by the materials, thus the problem that the materials are accumulated on the sieve is solved, the output rate of the single machine is greatly improved about 1.5kg / hour and by 5 times.

The invention discloses an automatic cleaning machine for fallen leaves based on a humid environment. The automatic cleaning machine comprises a pushing handle frame, a universal wheel, a supporting plate, a leaf collector, an energy transmission system, an exhaust air blowing system and a sweeping operation system, wherein the universal wheel is mounted under a thick base plate; the supporting plate and the leaf collector are arranged above the thick base plate; the energy transmission system is characterized in that a leaf absorbing pipeline is connected with the leaf collector; the leaf collector is connected with a fan cover through a positioning shell; a fan is fixedly mounted in the fan cover; a protection frame is mounted between the fan and the leaf collector; the exhaust air blowing system is characterized in that an air blowing pipeline is connected above a fan exhaust port; the air blowing pipeline is used for sending out the pulse air along each direction through a PLC control reversing valve. The automatic cleaning machine is equipped with the energy transmission system, the sweeping operation system and the exhaust air blowing system, so that the problem of cleaning the fallen leaves under the humid environment is effectively solved. The invention also discloses a working mode of the automatic cleaning machine for fallen leaves.

The invention provides a full-automatic grinding and polishing device. The full-automatic grinding and polishing device comprises a grinding rack, a grinding material rest, a translation mechanism, a rotating mechanism, a grinding and polishing mechanism, an air pumping mechanism and a control cabinet, the grinding material rest is arranged on the grinding rack, the translation mechanism is installed on the grinding rack, the rotating mechanism is installed on the translation mechanism, the grinding and polishing mechanism is installed on the rotating mechanism, the air pumping mechanism is connected with the grinding mechanism, and the control cabinet is connected with and controls the translation mechanism, the rotating mechanism, the grinding and polishing mechanism and the air pumping mechanism. According to the full-automatic grinding and polishing device, accurate control over the grinding and polishing position is achieved by means of the innovation of combining the translation mechanism and the rotating mechanism which can be controlled automatically, one-time-process molding of the workpiece surface is achieved by means of the innovation of combining the grinding mechanism and a polishing mechanism, the grinding and polishing efficiency and quality are improved in an automated mode, and the full-automatic grinding and polishing device can be widely used for treatment of the surfaces of various workpieces and has wide market use prospect.

The invention relates to an intelligent anti-silting integrated pump station and a use method thereof. The intelligent anti-silting integrated pump station comprises a pump station barrel body and a submersible sewage pump; the submersible sewage pump is arranged in the pump station barrel body, the pump station barrel body comprises a pump station barrel wall and a pump station barrel bottom, andthe upper part of the pump station barrel wall is provided with a pump station water inlet pipe; the suction port of the submersible sewage pump is faced to the pump station barrel bottom of the pumpstation barrel body, and the liquid outlet of the submersible sewage pump is connected with a pressure pipe in a penetrating mode; the pressure pipe is connected with a hard pipe in a penetrating mode; the inlet end of the hard pipe is in communication with the side wall of the pressure pipe, and the outlet end of the hard pipe extends to the pump station barrel bottom in the pump station barrelbody. According to the intelligent anti-silting integrated pump station, the structure is reasonable, through the intelligent anti-silting integrated pump station, compared with a traditional anti-silting device, the intelligent anti-silting integrated pump station mainly aims to clean bottom silting parts in the integrated pump station, solves the problem of cleaning the bottom silting parts in the pump station barrel body, and achieves purposes of simple installation, convenient operation, and sewage discharge efficiency improved.

The invention discloses an efficient plastic master batch forming method. According to the forming method, a conveying extruder is placed at the end, away from a cleaning box, of an electromagnetic heating extruder, a net replacing die head is fixedly installed on the outer side of one end of the conveying extruder, a cooling water tank is placed at one end of the conveying extruder, a supportingblock is connected to one end of the cooling water tank, one end of the supporting block is connected with a backflow box, and one end of the backflow box is connected with a screening box. Accordingto the forming method, cyclic utilization of water resources is realized by an cleaning and separating preheating assembly, a cooling circulation assembly and a separation anti-breaking assembly, theutilization rate of the water resources is increased, the enterprise cost is reduced, then through the cleaning and separating preheating assembly and the separation anti-breaking assembly, multi-stepoperation on plastic through multiple production lines is not needed, the space utilization rate in an enterprise plant is increased, meanwhile, noise pollution caused by the multiple production lines is reduced, meanwhile, the cost of an enterprise is reduced, and more production benefits are made for the enterprise.

The invention discloses a roller cleaning device of a belt conveyor. The roller cleaning device of the belt conveyor comprises circular-arc-shaped scrapers, the scrapers are fixed on a scraper frame, the bottom of the scraper frame is fixed on sliding blocks, the sliding blocks are arranged on two groups of sliding guide rails in a supported mode, a lead screw nut is fixed on the sliding blocks, a lead screw nut pair is formed by the lead screw nut and a ball screw, one end of the ball screw is connected with a forward-rotation and inversion motor through a coupler, the sliding guide rails are fixed on a bottom plate, a material receiving plate is arranged on the outer side of the bottom plate and below the scrapers, and a cleaning brush is arranged at the bottoms of the scrapers and the scraper frame. The roller cleaning device of the belt conveyor has the advantages of being simple in structure, convenient to operate, good in effect of ice tubercle cleaning, and good in popularization prospect, ensuring that the belt conveyor is not off tracking, and a rubber belt is even in tension at the position of a roller, ensuring that the belt conveyor can be in normal operation, and improving service life of the rubber belt and the roller.

The invention relates to an integrated pump station preassembled dredging bottom tray and a using method thereof. The integrated pump station preassembled dredging bottom tray comprises a pump stationbarrel and a submersible sewage pump arranged in the pump station barrel, a suction inlet and a water outlet pipeline are arranged on the submersible sewage pump, and the water outlet pipeline extends out to form the pump station barrel. A water inlet pipeline is arranged on one side of the pump station barrel and penetrates through the pump station barrel. A dredging bottom tray body is arrangedat the bottom in the pump station barrel, and a sludge stirring device is arranged in the sludge dredging bottom tray body and located below the suction inlet of the submersible sewage pump. By meansof the integrated pump station preassembled dredging bottom tray and the using method thereof, cleaning can be convenient, integral processing production can be facilitated, and high application andpopularization value is achieved. Compared with a traditional deposition prevention device, the device emphasizes on the purpose of cleaning the bottom deposition part in the barrel and is easy to install, convenient to operate and capable of saving labor force and improving sewage disposal efficiency.

The invention discloses a resource management method and apparatus. The resource management method includes the steps: receiving a message carrying a resource management command, pushed by a service terminal, wherein the resource management command includes the following information: the information of resources to be managed, and the command type; analyzing the resource management command obtained by the information; according to the command type and the information of resources to be managed, converting the resource management command into a corresponding resource management task; and executing the resource management task. The resource management method enables the client to realize resource management, based on the command pushing of the service terminal so as to improve the user experience.

The invention discloses a water surface garbage cleaning robot fish based on pectoral fin auxiliary tail fin movement. The water surface garbage cleaning robot fish comprises a fish head assembly, pectoral fins, a tail connecting piece, tail fins, a telescopic rod, a garbage storage net and a fish-shaped shell. The characteristic that the robotic fish freely swims and sinks in the water body is utilized to mainly solve the cleaning problem of solid garbage in narrow water areas. According to the garbage collection device, the garbage storage net is adopted, the structure is simple, the net is detachable, and the size of the net can be adjusted and replaced according to the size of a water area; the net-shaped structure is light in weight and large in contact surface, and the garbage storage amount is increased while the cost is reduced. The robotic fish based on pectoral fin assisted tail fin movement can sink into water under the action of the balancing weight and buoyancy, and garbage cleaning is expanded to the whole shallow water area from the pure water surface range.

The invention belongs to the technical field of part machining, and particularly discloses a part drilling and cleaning device. The part drilling and cleaning device comprises a machine frame, a workbench and a cleaning box are arranged on the machine frame, the cleaning box is located right above the workbench and is in sliding connection with the machine frame, and a plurality of limiting grooves with different sizes are formed in the workbench; an opening is formed in the bottom of the cleaning box, a piston plate is slidably connected in the opening of the bottom of the cleaning box, the piston plate is connected with a cylinder for controlling the piston plate to move up and down, the bottom of the piston plate is fixedly connected with a connecting rod, the interior of the connectingrod is hollow, a hollow tube is arranged at the bottom of the connecting rod, the connecting rod penetrates into the hollow tube and is fixedly connected with the bottom of the hollow tube, a sweeping plate is arranged on the outer side of the hollow tube in the circumferential direction, and the sweeping plate is in sealed sliding connection with the hollow tube. By the adoption of the part drilling and cleaning device, chippings in blind holes of metal parts can be automatically cleared, and centralized processing is carried out on the cleared chippings.

The invention belongs to the field of electric power engineering, and particularly relates to a cable winding device for electric power engineering. The following scheme is currently provided aiming at the problem that it is difficult for an existing winding device to uniformly wind and clean a cable. According to the scheme, the cable winding device comprises a winding box, wherein a motor is fixedly mounted at the left end of the winding box, an output shaft of the motor is connected with a driving shaft, the right end of the driving shaft penetrates through the winding box to extend into the winding box, a worm is fixedly mounted at the right end of the driving shaft, the right end of the worm is rotatably connected with the inner wall of the winding box, the driving shaft is fixedly sleeved with a first bevel gear, the lower end of the first bevel gear is engaged with a second bevel gear, the second bevel gear is fixedly mounted on a rotating shaft in a sleeving mode, a winding drum is fixedly mounted at the lower end of the winding drum, and a supporting shaft is fixedly mounted at the lower end of the winding drum. The cable winding device has the advantages that uniform winding can be achieved, the winding effect is good, cleaning is convenient, the automation degree is high, the operation is easy and convenient, and the practicability is high.

The invention provides a surface cleaning device for large gear machining, and relates to the field of large gear machining. The surface cleaning device for large gear machining comprises a fixed base, a center shaft is fixedly connected to the top end of the fixed base, three pushing blocks are connected to the interior of the fixed base in an array mode, ejector rods are fixedly connected to the ends, away from the center shaft, of the pushing blocks, and contact blocks are fixedly connected to the ends, away from the pushing blocks, of the ejector rods. When the surface cleaning device for large gear machining is used, a contact wheel is meshed with the outer surface of a gear so as to rotate, the contact wheel drives a driving wheel to rotate through a rotating shaft, the driving wheel drives a driven wheel to rotate, the driven wheel drives a driving gear to rotate, the driving gear drives a rack to rotate, and the rack drives a cleaning roller to clean the outer surface of the gear; meanwhile, the rotating shaft drives the reciprocating screw rod to rotate through the belt, the reciprocating screw rod drives the connecting frame to move up and down, and the connecting frame drives the cleaning roller to move up and down.

The invention provides an environment-friendly cooling device for an energy storage power station, belongs to the technical field of energy storage power stations, and solves the problem that an existing cooling device cannot collect and utilize rainwater and causes resource waste. The environment-friendly cooling device for the energy storage power station comprises a power station body, heat dissipation grooves are formed in the left side and the right side of the surface of the power station body, dustproof nets are installed in the heat dissipation grooves, a bottom plate is fixed to the bottom of the power station body, and a base is fixed to the lower portion of the bottom plate. Through the arrangement of the collecting cover, the heat preservation box, the water passing pipe, the water tank, the water pump and the water cooling pipe, the device can collect and reasonably utilize outside rainwater, water cooling treatment is conducted on the power station through the rainwater, the cooling effect is improved, and through the arrangement of the water wheel, the driving wheel, the driven wheel, the rotating plate and the cleaning brush, the cleaning effect is improved. And the device can automatically clean dust on the surface of the heat dissipation structure, and the heat dissipation effect is further improved.

The invention discloses a trash rack with a trash cleaning grab bucket. The trash rack with the trash cleaning grab bucket includes a trash rack body and a trash cleaning grab bucket device arranged on the trash rack body, the trash cleaning grab bucket device includes the trash cleaning grab bucket arranged on the trash rack body in a lifting mode, shovel teeth are arranged at the bottom of the trash cleaning grab bucket, and rotating teeth and a rotation driving device for driving the rotating teeth to rotate are further arranged on the trash cleaning grab bucket. The trash rack with the trash cleaning grab bucket has the characteristics that the cost is low, the trash cleaning efficiency is high and the structure is compact, the cleaning problems of branches, trunks and stones before the trash rack can be solved, and the cleaning problem of dead corner areas before the trash rack can be further solved.

The invention discloses an ecological intercropping net cage for precious marine products and belongs to the field of aquaculture. The ecological intercropping net cage comprises an upper-layer culture unit, a lower-layer culture unit, a multifunctional drainage system in the middle and a matched device, wherein the culture units are vertically distributed in a net cage purse net; each culture unit comprises an upper-layer sea urchin area and a lower-layer sea cucumber area, and the sea urchin areas and the sea cucumber areas are alternately arranged two by two to form a relatively independent intercropping system; and the upper-layer sea urchin areas and the lower-layer sea cucumber areas are separated by polyethylene nets with meshes, and excrement generated by sea urchin falls into the sea cucumber areas from the meshes to serve as young sea cucumber bait. The multifunctional drainage system is located in the middle of the net cage surrounding net, penetrates through the whole culture net cage, and is used for feeding baits in the sea urchin areas and cleaning sea urchin excrement which is not eaten up by sea cucumbers, excrement generated by the sea cucumbers and other metabolites in the sea cucumber areas. The problems of sea urchin winter ingestion and excrement cleaning can be solved, and winter growth of sea cucumbers is facilitated; and the ecological intercropping net cage uses common culture materials, is low in price, simple and time-saving to operate, capable of realizing large-scale intensive production and suitable for large-scale popularization.

The invention discloses a fin cleaning method and device and an air conditioning unit. The fin cleaning method includes the steps that the fan current is detected; and according to the fan current, whether fins are dirty and blocked or not is judged, if so, fin self-cleaning operation is started. According to the fin cleaning method and device and the air conditioning unit, the fan current is onlyneeded to be detected, the dirty and block conditions of the fins are judged according to the fan current, when judging the fan is dirty and blocked, the fin self-cleaning operation is started, thusthe effective air disturbance of the fins is guaranteed, and then performance and reliability of the unit are improved, so that the problem that the fins cannot be effectively cleaned in real time inthe prior art is effectively solved.

A multi-station full-automatic assembly line with a turnover jig comprises a rack, a conveying mechanism, the jig and a plurality of working stations, and is characterized in that double layers of track structures are arranged on the rack; two engaged linear transmission mechanisms are arranged on the conveying mechanism and correspond to the double layers of track structures; the jig is provided with an upper surface and a lower surface; at least one of the upper surface and the lower surface is provided with a toothed plate which corresponds to a corresponding engaged linear transmission belt; the multi-station full-automatic assembly line further comprises two turnover mechanisms which are arranged at two ends of the rack separately; each turnover mechanism has an up-turning working station and a down-turning working station relative to the rack; distances among the adjacent stations are equal, and are integer multiples of tooth pitches of the engaged linear transmission belts; and moreover, the movement direction of the jig on the first layer of track structure is opposite to the movement direction of the jig on the second layer of track structure. After workpieces are machined on the upper part of the rack, the jig can be directly overturned to the lower part of the rack for returning, therefore, the jig can be cleaned, and moreover, occupied space of equipment is saved.

The invention discloses a biological treatment bolting tank for upgrading and reconstruction of urban domestic sewage and a use method. The biological treatment bolting tank for upgrading and reconstruction of urban domestic sewage comprises a tank body, a water inlet is formed in the top of the tank body, a bolting block is arranged in the middle of the tank body, and a connecting bolt is movably connected to the interior of the bolting block; a filter screen is arranged on the upper portion of the interior of the tank body, fixing plates are fixedly connected to the two sides of the filter screen, a bearing disc is arranged, and a rotating shaft of a rotating disc penetrates through the interior of the bearing disc to be connected with the bottom of a movable disc, so that the rotating disc drives the movable disc to synchronously rotate when rotating; and a rotating shaft of the rotating disc penetrates through the interiors of the bearing disc and the sliding hexagonal block, so that the scraping plate can rotationally clean the interior of the tank body along with rotation of the rotating disc, the problem of cleaning the interior of the tank body in a single direction is solved, and the purpose of fully scraping and cleaning the interior of the tank body is achieved.

The invention relates to the technical field of production of sand cores, in particular to a profile-followed insert for cleaning sand core fins, a coring device and a cleaning method of sand core fins. The profile-followed insert comprises a profile-followed cleaning part, wherein the profile-followed cleaning part is matched with external profiles or internal hollow structures of sand cores, and can remove fins on the sand cores during movement relative to the sand cores. The coring device comprises a coring tray, wherein the profile-followed insert for cleaning the sand core fins is arranged on the coring tray. The profile-followed insert for cleaning the sand core fins is mounted on the coring device; the fins on the sand cores are cleaned through the relative movement between the profile-followed cleaning part of the profile-followed insert and the sand cores in a coring process. Through the relative movement between the sand cores and the profile-followed cleaning part in the coring process, the fins on the sand cores can be cleaned while coring, manual cleaning of the fins on the sand cores one by one can be avoided, and a problem that the fins in the internal hollow structures of the sand cores cannot be cleaned when a core making center produces the sand cores can be solved.

The invention discloses a convenient artificial floating island based on a submerged plant purification method, and belongs to the technical field of artificial floating islands. The artificial floating island comprises a floating device and a lifting device, wherein the floating device comprises a floating seat provided with a mounting groove; a floating block is fixedly mounted in the mounting groove; the lifting device is connected to the floating seat, and is connected to a lifting steel cable; the bottom end of the lifting steel cable is fixedly connected to the top end of a connecting frame; the lower end of the connecting frame is fixedly connected to the corner of a mounting shell; the top end of the mounting shell is fixedly connected to a three-dimensional net-shaped frame; and aplant culture medium is further mounted in the mounting shell. The problems that in the prior art, submerged plants cannot stably and firmly grow and are fixed to the artificial floating island, anddead submerged plants on the artificial floating island cannot be conveniently, timely and effectively cleaned are effectively solved.

The embodiment of the invention discloses a method and device for managing a mirror image warehouse, electronic equipment and a readable storage medium. The method for managing the mirror image warehouse comprises the steps of receiving one or more uploading mirror image layers; storing the uploaded mirror image layer in the mirror image warehouse in a first storage mode; determining a to-be-cleaned mirror image layer in one or more original mirror image layers stored in the mirror image warehouse in a second storage mode, wherein the first storage mode is different from the second storage mode; and cleaning the mirror image layer to be cleaned. According to the technical scheme, the newly uploaded mirror image layer and the original mirror image layer are stored in the mirror image warehouse in the first storage mode and the second storage mode respectively, so that the mirror image layer in the mirror image uploading operation is separated from the mirror image layer in the garbage cleaning operation, and garbage cleaning is possible to be executed while the mirror image uploading operation is carried out; concurrent problems are avoided, and under the condition that other databases or middleware is not introduced, the garbage cleaning problem of the mirror image warehouse is solved.