171results about How to "Reduce the frequency of manual cleaning" patented technology

The invention discloses a lobster cleaning machine which comprises an engine base, a lobster spreading plate, a cleaning brush, a water spraying device, a driving device, an ultrasonic cleaning vesseland a water supply device, wherein the lobster spreading plate is mounted on the engine base and a brushing tank used for enabling abdomens of lobsters to be exposed downwards runs through the lobster spreading plate; the cleaning brush is mounted at the brushing tank upwards and movably arranged in a horizontal direction; the water spraying device is used for spraying water to the abdomens of lobsters on the lobster spreading plate; the ultrasonic cleaning vessel is arranged on the engine base; and the water supply device is used for supplying water to the water spraying device and the ultrasonic cleaning vessel. According to the technical scheme provided by the invention, the cleaning brush can be driven by the driving device to brush the abdomens of lobsters on the lobster spreading plate, and the lobsters are wholly cleaned by the ultrasonic cleaning vessel, so that a manual cleaning link is reduced. By combining two manners such as cleaning by the cleaning brush and ultrasonic cleaning, the cleaning effect and the cleaning efficiency are greatly increased.

The invention relates to a water quality monitoring device, and discloses a river water quality floatation monitoring device which includes a buoy, a supporting barrel located in the buoy, and an inner barrel inside the supporting barrel. The inner barrel is internally provided with a storage battery, a controller, a signal transmitter, a signal receiver, a memory and a positioning device. A riverway channel is stored in the memory, and a water quality sensor is also arranged below the buoy. The water quality sensor is connected to the controller in the inner barrel, and propulsion paddles anda rudder are also arranged at the bottom of the buoy. The propulsion paddles are located on the two sides of the water quality sensor, and the rudder is located at the rear of the water quality sensor. Due to the adoption of the technical scheme, the river water quality floatation monitoring device can automatically run to a river surface of a designated site to automatically monitor water quality. The river water quality floatation monitoring device is further provided with an anticollision buffer and self-cleaning device, self-cleaning can be performed while internal electronic devices canbe effectively protected, and manual cleaning efficiency is reduced.

The invention discloses a self-dust-collection polishing machine. The self-dust-collection polishing machine comprises a first radiating hole formed in the center of the front surface of a machine body. An auxiliary handle is arranged on the left side of the first radiating hole. A switch is arranged on the left side of the auxiliary handle. A machine cabinet is fixedly connected with the left side of the machine body. A protection cover is fixedly connected with the bottom of the machine cabinet. An air pipe is arranged at the bottom of the front surface of the machine body. The surface of the right side of the machine body is sleeved with a shock absorber. According to the self-dust-collection polishing machine, through the air pipe arranged at the bottom of the machine body, chippings produced in the working process of the polishing machine are recovered, the effect that the polished surface of an object is free of attachments is ensured, manual cleaning is reduced, and the working efficiency is improved; and by arranging the shock absorber on the surface of the right side of the machine body, influences of vibration on hands in the working process of the polishing machine are reduced, disengaging of the polishing machine due to large vibration is avoided, long-time use of the polishing machine is facilitated, and the labor productivity is improved.

The invention discloses a sandstorm preventing and dust eliminating single-axis photovoltaic tracking power generation system structure. A first fixed bracket and a second fixed bracket are respectively connected with two ends of a rotating shaft, the back of a photovoltaic assembly is fixed on the rotating shaft, and the photovoltaic assembly can carry out 0 to 360-degree bidirectional rotation together with the rotating shaft under drive of a motor; the motor, a control module, a first pressure sensor and a second pressure sensor are arranged on the second fixed bracket; the angle between the first pressure sensor and the rotating shaft is alpha degrees, and the angle between the second pressure sensor and the rotating shaft is (180-alpha) degrees; and a weather observation instrument is arranged on one side of the first fixed bracket and used for monitoring signals of wind direction, wind speed, rainfall and light intensity and transmitting the monitored signals to the control module. Through the structure, the surface cleanliness of the assembly is improved, the hot spot effect is reduced, the ray incidence rate of the surface of the assembly is kept, the photoelectric conversion efficiency is improved, dust on the surface of the photovoltaic assembly can be effectively cleaned, and the manpower cost is reduced.

The invention relates to a sunlight full-light guidance lighting system, which comprises a dual-focus full-light collection device. The dual-focus full light collection device comprises an annular parahboloidal mirror, a spherical concave mirror and a full-light light guide pipe; sunlight is reflected and focused by the annular parahboloidal mirror and reflected again by the concave mirror and enters the full-light light guide pipe; and the full-light light guide pipe comprises a glass tube, a reflecting mirror film arranged on the outer wall of the glass tube, and a plastic sleeve in close fit with the outer periphery of the reflecting mirror film. The sunlight full-light guidance lighting system has the advantages of low manufacturing cost and flexible installation, can be conveniently independently installed or combined into a movable type, a wall mounting type, an eave mounting type and an overhead mounting type according to different requirements for lighting, sunshine and lighting of application places, is particularly suitable for high-power and high-energy level light density sunlight lighting systems in different fields such as civil, public and underground projects, industry, agriculture, planting and breeding.

The invention discloses a rod-shaped suspension type composite insulator for railway. The rod-shaped suspension type composite insulator comprises a ceramic rod insulator body, fitting accessories and an external insulation umbrella skin sheath, wherein the fitting accessories are arranged at the two ends of the insulator body by adhesives, the external insulation umbrella skin sheath sleeves the ceramic rod insulator body and is overlapped with the fitting accessories, and the external insulation umbrella skin sheath comprises large umbrellas and small umbrellas and is formed according to a sequence that the large umbrella is arranged and then the small umbrella is arranged from top to bottom. The rod-shaped suspension type composite insulator has the advantages that the creep distance and the dry arcing distance are increased, the creep distance is increased by around 50%, the dry arcing distance is increased, the pollution flashover frequency is reduced, and the probability of a flashover accident occurring in the railway is reduced; an integral injection molding production process is used for production, an umbrella sleeve is attractive in appearance and is few in interface, a core rod and the sheath are bonded firmly without a gap, the rod-shaped suspension type composite insulator is high in internal insulation performance, and a phenomenon of interface breakdown is prevented.

The invention discloses a rotary tillage cutter. The rotary tillage cutter is a spiral and bent bar-shaped plate component composed of a cutter body and a cutter handle. The outer arc side of the cutter body is provided with a cutting edge. The rotary tillage cutter is further characterized in that the cutting edge is provided with sawteeth, the connecting portion between the end portion of the cutter body and the cutting edge is provided with an arc transitional edge. The rotary tillage cutter can obviously reduce the resistance born by the cutter into soil, power consumption of a rotary tiller as well as grass or straw winding, obviously decrease the number of times of manual cleaning and improve the working efficiency.

The invention discloses a high-efficiency polishing machine, which mainly includes a fuselage, the front end of the fuselage is fixedly connected to the machine head, the rear end of the fuselage is connected to a handle, and the front surface of the fuselage is provided with a first cooling hole. An auxiliary handle is provided on the left side of the first heat dissipation hole, a second heat dissipation hole is provided on the top of the machine head, a lighting lamp is provided at the front end of the top of the machine head, a motor is provided inside the machine head, and the bottom of the machine head is fixed Connect the protective cover, the bottom of the motor is connected to the vertical shaft, and the vertical shaft passes through the bottom of the head and the bottom of the protective cover in turn to connect to the rotating shaft, one end of the rotating shaft is fixedly connected to the grinding wheel, and the top of the fuselage is provided with a switch assembly. There is a dust suction device at the bottom of the fuselage. The invention has a simple mechanism and a novel design, and the scraps generated during the operation can be recovered, ensuring that there is no attachment on the polished surface of the object, reducing manual cleaning and improving work efficiency.

The invention discloses a high-property spraying paint for a slag pot and a preparation method thereof. The high-property spraying paint for the slag pot comprises a main material and additives, wherein the main material is prepared from the following raw materials in percentage by weight: 10 to 20% of mill-cleared waste particle, 70 to 80% of mill-cleared waste fine powder, 1 to 5% of silicon micropowder and 5 to 8% of Guangxi clay; the weight of the additive is 0.2 to 2% of that of the main material. The high-property spraying paint for the slag pot, disclosed by the invention, is better inall properties, has the characteristics of less than 8% of resilience rate, good adhesion property, no stickiness to slag, good slag-erosion resistance and easy slag overturning, and also has the beneficial effects that the service life of the pot can be prolonged, the manual clearing can be reduced, the economic and social benefits are obvious, and a pot returning rate is increased by 20% or more.

The invention relates to an automatic dedusting air conditioner outdoor unit and belongs to the field of electric appliances. The outdoor unit comprises an outdoor machine, a heat dissipating board mounted at the outer side of the outer machine, a heat dissipating fan mounted on the heat dissipating board, a controller and a signal receiver, wherein a positive rotation controller, a reverse rotation controller, a direction change controller, a timer, a signal receiver and an alarm are arranged on the controller. The automatic dedusting air conditioner outdoor unit provided by the invention has the beneficial effect that through the inverted operation of the heat dissipating fan in the air conditioner outdoor unit, dust deposited at heat dissipating fins and other places can be cleared away, thus the refrigeration efficiency is ensured; the alarm is arranged, failure can be reported in time; and the air conditioner outdoor unit does not need to be manually cleaned, therefore resources and time are saved.

The invention discloses full-automatic kitchen waste recycling equipment and full-automatic kitchen waste recycling method. The full-automatic kitchen waste recycling equipment comprises a grinding main machine, a solid-liquid separator, a biochemical treatment bin, an oil-water separator and a full-automatic soap powder machine, wherein the grinding main machine, the solid-liquid separator, the oil-water separator and the full-automatic soap powder machine are sequentially connected through pipes; the biochemical treatment bin is connected to the solid-liquid separator; an electromagnetic water stop valve is arranged on each of the pipes between the grinding main machine and the solid-liquid separator and between the solid-liquid separator and the oil-water separator. Compared with the prior art, the full-automatic kitchen waste recycling equipment and the full-automatic kitchen waste recycling method have the advantages as follows: kitchen waste can be quickly disposed on site, so that on one hand, the kitchen waste is converted into biofeed or a fertilizer with considerable economic value, and on the other hand, washing soap powder is produced; meanwhile, wastewater obtained after washing is rich in soap powder can further help to discompose oil stains on the pipe wall of a sewage pipe to a certain extent, so that the trend of shrinkage of the pipe diameter due to oil accumulation on the pipe wall is delayed and the service life of the sewage pipe is prolonged.

The invention belongs to the field of LED lighting equipment, in particular to a self-cleaning heat dissipation type LED lamp; the LED lamp comprises a cylindrical shell, wherein the shell is internally provided with an LED lamp cap; the shell is internally and rotationally connected with a rotating disc, and a liquid storage cavity is formed between the rotating disc and the shell; two stirring plates which are in sliding sealing connection with the side wall of the shell are fixedly connected to the side wall of the rotating disc; a sealing block which is in sliding sealing connection with the rotating disc is fixedly connected to the side wall of the shell; a cooling pipe communicated with the liquid storage cavity is wound on the outer side wall of the shell; two arc-shaped blocks areslidably connected in the rotating disc in a sealing mode; a containing groove is formed in each of the lower end faces of the two arc-shaped blocks separately; a closed containing cavity is formed bythe two containing grooves to be filled with a low-boiling-point evaporation liquid; and a baffle piece is fixedly connected to the inclined upper portion of the rotating disc. The liquid storage cavity is arranged, so that the cooling liquid stored in the liquid storage cavity can continuously absorb the heat emitted by the lamp cap, the effect of cooling is achieved, the lamp is kept in a relatively good running state, and the service life is prolonged.

The invention belongs to the technical field of air purifying devices, in particular to an air purifying device with convenient cleaning based on biotechnology. The air purifying device with convenient cleaning based on the biotechnology aims to solve the problem that an existing air purifying device is inconvenient to clean. The air purifying device includes a water tank, a shell is fixed to theouter wall of the top of the water tank by screws, and a purifying box is fixed to the outer wall of the top of the shell by screws. A rotating plate mounting groove is formed in the outer wall of oneside of the shell, and a rotating plate is connected to the inner wall of the rotating plate mounting groove through threads. A fixing plate is fixed to the inner wall of the shell by screws, and a side cover is connected to the inner wall of one side of the shell through threads. Air delivery pipe inserting holes are separately formed in the outer wall of the top of the shell and the outer wallof the bottom of the purifying box. The air purifying device can quickly adjust the temperature and humidity of air, is conducive to improving the living environment, facilitates quick disassembly andassembly, is conducive to improving the cleaning convenient level, can perform preliminary cleaning, can reduce the frequency of manual cleaning, and is conducive to reducing the labor intensity of staff.

The invention discloses a garbage removal device used for an urban inland river. The device comprises an integral device body, a communicating cavity is formed in the integral device body, and the right end and lower end of the communicating cavity are communicated with the outside; a trapezoid block is fixedly arranged at the left end of the integral device body, a flowing-through cavity is formed in the trapezoid block, and the left end and upper end of the flowing-through cavity are communicated with the outside; the right end of the flowing-through cavity is communicated with the communicating cavity, a cutting device is arranged in the lower end wall of the flowing-through cavity and located under water, a scraper blade device is arranged on the back side of the cutting device, a filtering belt device is arranged in the communicating cavity, and a garbage collection tank is formed in the right side of the filtering belt device. According to the garbage removal device, a scraper blade wheel is utilized for being close to the shoreside, the position, with most garbage, near the shoreside is directly cleaned, meanwhile, the garbage removal device is provided with a water plant removal device to avoid that water plants twine around passing ships, and the safety of the passing ships and the personnel safety are ensured.

The invention discloses a petroleum pipeline cleaning device. The petroleum pipeline cleaning device comprises a handle; the lower surface of the handle is fixedly connected with the top ends of two supporting rods; the bottom ends of the two supporting rods are fixedly connected with the left side face of a tank; and a chute is formed in the upper surface of the inner wall of the tank. Accordingto the petroleum pipeline cleaning device, through cooperation of a control panel, the handle, a motor, an electric push rod, a second slide rod, a second slide sleeve, a third slide sleeve, a first fixing block, a second fixing block, a first rotary shaft, a first bearing, a supporting column, a second bearing, a second rotary shaft and a brush, people can adjust the height of the brush through the control panel to clean different petroleum pipelines according to the radiuses of the petroleum pipelines, cleaning of the interior of the petroleum pipelines is achieved, the manual cleaning frequency is reduced, the time and labor of people are saved, the situation that manual cleaning pollutes skin and clothes is avoided, and convenience is brought to cleaning work of people.

The invention discloses an electromechanical device, and particularly relates to a device, used on a vehicle, of adjusting forward and reverse rotation of a condensing fan. The device comprises relays, a switch and a fan, wherein the relays comprise a time relay KJ1 and two relays KJ2 and JK3; a switch and the like are arranged in each relay; one of the two relays KJ2 and KJ3 is normally open and the other one of the two relays KJ2 and KJ3 is normally closed; and the forward and reverse rotation time is adjusted through time setting of the time relay JK1 to control the action of the fan. The device has the advantages of improving the radiating effect of a condenser and reducing the manual cleaning frequency. By using the condensing fan with excellent blowing and air suction effects and through control circuit design, forward and reverse rotation control of the condensing fan is realized to blow weeds and dust out. The device can be widely applied to mechanical vehicles operating outdoors.

The invention relates to the technical field of solar power generation devices, and discloses a solar power generation device with an efficient ash removal function. The device comprises a fixed plate, and a solar panel is fixedly connected to the fixed plate; an ash removal mechanism is connected to the fixed plate; the ash removing mechanism comprises four supporting rods, two sliding rods, twosliding holes, two moving blocks, a rotating shaft, a driving motor, a long brush cylinder, a gear and a rack. The four supporting rods are fixedly connected to the four corners of the top of the fixed plate. The two sliding rods are symmetrically and fixedly connected to the supporting rod, the sliding rods are horizontally arranged, the two sliding holes are formed in the corresponding moving blocks respectively, the sliding rods penetrate through the corresponding sliding holes and are in sliding connection with the moving blocks, and the driving motor is fixedly connected to the side, close to the solar panel, of one moving block. The solar power generation device with the efficient dust removal function can automatically remove dust on the solar panel and prevent the dust from blocking light, the light inlet rate of the solar panel is good, the power generation efficiency is high, manual dust removal is omitted, and the solar power generation device is convenient to use.

The invention discloses a rape ridge culture direct-seeding combined seeding machine. The rape ridge culture direct-seeding combined seeding machine comprises a transmission device, an earth entry amplitude fixing device, a rotary tillage device, a furrowing block forming device, a block surface management device, an earth scraping clearing device, a seeding device and a fertilizing device; the transmission device is used for transferring power, the earth entry amplitude fixing device comprises furrowing amplitude fixing small front ploughs at two sides of the right front side of installation; the rotary tillage device and the furrowing block forming device are used for furrowing, ridging and forming a block; the block surface management device is arranged behind a stander and between two furrowing amplitude fixing small front ploughs; the fertilizing device is arranged above the stander and in front of the seeding device; the seeding device is arranged above the rear of the stander, and a seeding opening of the seeding device is arranged behind the block surface management device. By adopting the rape ridge culture direct-seeding combined seeding machine, six tasks of operation such as soil rotary tillage, weeding stubble cleaning, furrowing ridging, formation of blocks, fertilization application and seeding can be completed simultaneously, so that the labor intensity is alleviated, the operation efficiency can be improved, and the high-quality high-efficiency integrated operation can be effectively realized.

The invention discloses a lens and a lens group for plug-in LED lamp beads. According to the lens and the lens group for the plug-in LED lamp beads, single lenses are included; the single lenses are hollow semi-elliptical solids, externally provided with lens emergent faces formed by smooth spline surfaces, and internally provided with lens incident faces formed by smooth hemispherical surfaces, and lamp bead accommodating cavities are formed in the single lenses; a certain number of single lenses form the lens group through regular array combination; the lens group is provided with lens group installation faces and lens group clamping hooks used for being assembled with other mechanism pieces; a lens group accommodating cavity for accommodating a cable, and a lens group waterproof ring accommodating cavity for accommodating a waterproof ring are formed in the lens group; the plug-in LED lamp beads are arranged in the centers of the lamp bead accommodating cavities, and the gap between the top face of each lamp bead and the corresponding lens incident face is not more than 0.5 mm; the thickness of the lens between each lens incident face and the corresponding lens emergent face is 0.5-2 mm; each plug-in LED lamp bead is placed in the corresponding lamp bead accommodating cavity; and the lens group is made of polycarbonate or organic glass.

The invention discloses a scrap iron removing device of a sawing machine. The scrap iron removing device of the sawing machine comprises a base and a scrap iron removing device body. The scrap iron removing device body is mounted on the base. A sliding groove and a round groove are formed in the top of the base. Stand columns are movably connected with a transverse base. Wheel bases are fixedly connected to the bottom of the transverse base. Saw blade wheels are mounted on the wheel bases. Fixing blocks are fixedly connected to the bottoms of the wheel bases. The saw blade wheels are sleeved with a saw blade. The scrap iron removing device body comprises a pressing sleeve, a pressing rod, a first spring, a sliding block, a second spring, a supporting rod, a motor, a cleaning brush and a conveying device. According to the scrap iron removing device of the sawing machine, when the sawing machine starts to conduct sawing, the cleaning brush rotates to remove scrap iron on the base, the scrap iron is conveyed out along with the conveying device, manual removal is not needed, and time and labor are saved; and when sawing is completed, the wheel bases drive the fixing blocks to move upwards, the supporting rod drives the motor and the cleaning brush to move towards the position, namely the cutting position, under the saw blade, machine halt for cleaning is not needed, the productivity is increased, manual scrap iron removal is not needed, scrap iron removal is completely automatic, and safety and reliability are guaranteed.

The invention discloses a cloth waste recovery processing device for garment production and processing. The device comprises a bottom plate, two vertical plates are symmetrically mounted on the top face of the bottom plate in the front and back direction, horizontal first electric guide rails are fixedly mounted at the positions, close to the tops, of the middles of the inner side faces of the twovertical plates, first electric sliding blocks are mounted on the first electric guide rails, two first belt wheel devices for conveying from right to left horizontally are arranged between the innerside faces of the vertical plates, the two first belt wheel devices are in bilateral symmetry, each first belt wheel device comprises a first driving belt wheel, a first driven belt wheel, a first tensioning belt wheel, a first belt wheel and a first belt, and the device is high in automation degree. During cutting, cloth waste generated by cutting can be effectively collected, the process of manual cleaning can be reduced, labor force is saved, cutting up is automatically carried out, cloth waste winding side effects in the device can be prevented, the cut cloth length can be changed, application is wide, the device can be suitable for different conditions, and the device is suitable for large-area popularization.

The invention relates to the technical field of cooling machines, and discloses an environment-friendly energy-saving cooling machine for refractory material production. The environment-friendly energy-saving cooling machine comprises a cooling box, supporting legs are fixedly connected to the four corners of the outer box bottom of the cooling box, and operation openings are formed in the box walls of the two sides of the cooling box; a conveying belt is installed in the cooling box, and the two ends of the conveying belt penetrate through the corresponding operation openings and extend outwards; a cooling mechanism is connected into the cooling box, and a spraying mechanism is connected into the cooling box; and the cooling mechanism comprises a connecting box, two connecting pipes, twoair pumps, a water pipe, a water curtain, a collecting pipe, a first water pump, a second water pump and a plurality of cooling holes, and the connecting box is fixedly connected to the box top of thecooling box. According to the environment-friendly energy-saving cooling machine for refractory material production, a filter screen can be vibrated, impurities on the filter screen are shaken off and collected, the filter screen is prevented from being blocked under the condition of long-time filtering, the filtering effect of the filter screen is better, manual cleaning of the filter screen isomitted, and time and labor are saved.

The invention discloses a method and device for cleaning away coal slime in grooves of a belt. The device is arranged on the lower portion of the belt, the device is closely attached to the bottom of the belt and can rhythmically beat the bottom of the belt in an operation process of the belt, and therefore the coal slime in the grooves of the belt is knocked out. The device comprises a carrying roller (3) which is arranged at the bottom of the belt (1), the two ends of the carrying roller (3) are supported on brackets (5) through a carrying roller shaft (7), and the brackets (5) are fixed on an H-shaped frame (2); a protruding structure which can be used for rhythmically beating the belt (1) in the operation process of the belt (1) is arranged on the surface of the carrying roller (3). Thus, in the operation process of the belt, the carrying roller acts on the belt, the coal slime in the grooves of the belt can be cleaned away automatically, the process of manually cleaning away the coal slime is omitted, normal use of the belt is not affected, off tracking of the belt can be prevented, the anti-skid function of the belt is recovered, and working efficiency is improved.

The invention discloses a device for erasing an oxide layer of a storage hard disk interface of a big data server. The device comprises a box body, a containing cavity with an upward opening is formedin the box body, a dust sweeping cavity with a leftward opening is formed in the right end wall of the containing cavity, a dust sweeping device is arranged in the dust sweeping cavity, a dust sweeping power cavity is formed in the right side of the dust sweeping cavity, and a dust sweeping driving cavity communicating with the dust sweeping cavity is formed in the lower side of the dust sweepingpower cavity. According to the device, dust on the back face of a hard disk can be swept away, the manual cleaning steps are reduced, the cleaning efficiency is improved, the oxide layer of golden fingers at a hard disk interface can be cleaned, thus the golden fingers are restored to the normal state, and the problem that the normal operation of the storage server is influenced due to oxidationof the golden fingers is solved.

The invention provides a grader for separation of spindle-shaped and long-strip-shaped materials. The grader comprises a feed mechanism, a grading mechanism, an impurity removal mechanism and a dedusting mechanism. The grading mechanism comprises a long strip roller screen and a plurality of grading receiving hoppers located at the bottom of the long strip roller screen. Stone impurity removal hoppers are arranged at the tail ends of the grading receiving hoppers. The impurity removal mechanism comprises an impurity removal blower and an impurity removal hopper on the outer side of the inlet end of the long strip roller screen. A dedusting air opening is formed above the impurity removal hopper relative to an air outlet of an impurity removal blower air channel. The dedusting air opening is connected with a dedusting fan, a cyclone separator and a dust collecting bag sequentially. The other end of the dust collecting bag is connected to the air inlet end of the impurity removal blower. The feed mechanism is provided with a shaking refinder in an inclined state toward a feed inlet of the long strip roller screen. The grader achieves mechanical grading of radix pseudostellariae, integration of dedusting and impurity removal and air direction series connection, thus the effects of energy conservation and emission reduction are achieved, and product grading quality is promoted.

The invention provides a feeding device of a scraper machine and a loading conveyer, and relates to the technical field of coal mine mechanical equipment. The feeding device of the scraper machine comprises a bucket and a first driving mechanism, wherein the bucket is rotatably connected to the feeding end of the scraper machine; the tail end of the bucket and a feed inlet of the scraper machine are oppositely arranged; the first driving mechanism is connected between the bucket and the feeding end of the scraper machine; and the first driving mechanism can drive the bucket to rotate relative to the feeding end of the scraper machine. The loading conveyer comprises the feeding device of the scraper machine. The feeding device of the scraper machine and the loading conveyer are provided to solve the problem that remaining materials cannot be removed due to the fact that a conveyer in the prior art achieves feeding through a rotating shifting claw.

The invention relates to the technical field of cleaning equipment, in particular to an automatic cleaning device for a computer display screen. The automatic cleaning device for the computer displayscreen comprises a first motor and a first sliding block. The first sliding block is fixedly connected with the top end of the first motor. A driving gear is fixedly connected with the tail end of a spindle of the first motor. A rotary shaft is fixedly connected with the bottom end of the driving gear. A driven gear is fixedly connected with the outer side of the rotary shaft. A movable ring is rotationally connected with the outer side of the rotary shaft. A sweeping plate is fixedly connected with the left end of the movable ring. A scraper blade is fixedly connected with the right end of the movable ring. A second sliding block is rotationally connected with the bottom end of the rotary shaft. A fixed plate is in sliding connection with the rear end face of the first motor. According tothe automatic cleaning device for the computer display screen, because the driving gear and the sweeping plate are arranged, a gear mechanism in use is simple in structure and convenient to use, andgears in use are compact in structure, safe and reliable in addition, and generate low noise; and the automatic cleaning device for the computer display screen has great economical benefits and wide market prospect, and is worthy of promotion for use.

The invention belongs to the technical field of facing sand screening equipment, and particularly relates to facing sand screening equipment for water permeable bricks. The facing sand screening equipment comprises a rack, wherein a set of screening cylinders are sequentially arranged at the upper part of the rack from left to right; the diameters of the screening cylinders are increased in sequence, and the connecting parts of every two adjacent screening cylinders are nested with each other and are rotationally connected; a pair of rolling shafts are arranged at the bottoms of the screeningcylinders, and the rolling shafts are used for supporting the screening cylinders to rotate; one end of each of the screening cylinders is fixedly connected with an outer gear ring, and a motor is fixedly connected to the position, corresponding to the outer gear ring, of the rack through a support; a gear fixedly connected with an output shaft of the motor is meshed with the outer gear ring; a feeding hopper is fixedly connected to the position, close to the outer gear ring, of each screening cylinder through a support; and a pair of first clamping blocks are arranged on the periphery of thescreening cylinder with the smaller diameter at the connecting position of every two adjacent screening cylinders, and a second clamping block is arranged on the inner circumference of the screening cylinder with the larger diameter. According to the facing sand screening equipment, when the motor rotates forwards and reversely, the first clamping blocks and the second clamping block are matched to increase the vibration of the screening cylinders, so that the blockage of screening holes is reduced.

The invention relates to a sporting goods, particularly to a waterproof air-permeable plastic cement playground. The waterproof air-permeable plastic cement playground comprises a broken stone cushion layer, a buffer layer and a self-textured layer, and is characterized in that a cement layer is arranged between the broken stone cushion layer and the buffer layer; a waterproof layer is arranged on the cement layer; the buffer layer is arranged on the waterproof layer; a rebounding layer is arranged between the buffer layer and the self-textured layer; the upper surface of the self-textured layer is coated with a protective coating; the thickness of the self-textured layer is 3-7 mm. The waterproof air-permeable plastic cement playground adopts a multi-layer structure, and can effectively slow down impact; the waterproof performance of the playground can be greatly improved due to the waterproof layer; the playground contains no particle, so that the particle separation phenomenon can be avoided, the abrasion resistance is good, and the maintenance costs of hand sweeping and the like can be greatly reduced; the playground is environment-friendly, nontoxic, maintenance-free, anti-aging, and long in service life.