115results about How to "Avoid covering" patented technology

The invention relates to the technical field of physic anti-fake parts of legal certificates, in particular to a perspective laser holography anti-fake film with a reflecting effect and a preparing method thereof. The anti-fake film comprises a base material layer, an information layer, a reflecting layer, a protection layer, a blocking layer and a bonding layer which are combined together in sequence form top to bottom, wherein a sequestration layer is arranged between the base material layer and the information layer, the base material layer is a PET polyester film, the information layer is an acrylic resin layer, and the base material layer and the information layer are integrated through the sequestration layer. The prepared method of the anti-fake film comprises the steps of (1) copying of a laser holography working version, (2) treating of the surface of the PET base material, (3) coating of the sequestration layer, (4) key opening treatment, (5) coating of the information layer, (6) transferring and copying of a holographic grating, (7) manufacturing of the reflecting layer, (8) protecting of the reflecting layer, (9) curing, (10) fine chemical etching, (11) coating of the blocking layer, (12) corona, and (13) coating of the bonding layer. According to the perspective laser holography anti-fake film with the reflecting effect and the preparing method thereof, a major breakthrough is made in respects of certificate binding force, hologram image diffraction efficiency and visual identification of certificate information.

The invention belongs to the field of solar photovoltaic power generation, and particularly relates to an outdoor photovoltaic power generation device with a self-cleaning function; for solving the problem that the efficiency of absorbing light energy of the surface of the existing solar cell panel is highly lowered caused by residual dust, bird excreta and snow accumulation easily formed on the surface of the solar cell panel, a scheme is proposed as follows: the outdoor photovoltaic power generation device comprises a base, wherein the base is in an n shape; bosses are fixed on the two sidesof the interior of the base respectively; a walking device and a first shell are mounted in the base; a storage battery and a control module are mounted inside the first shell; a wireless module is embedded on the side edge of the first shell; a water storage tank is mounted on the top of the base; a liquid level sensor is mounted inside the water storage tank; and one side of the water storage tank is communicated with an overflow pipe, and a water suction pump and a hot air blower are mounted on the other side of the water storage tank. The outdoor photovoltaic power generation device has the beneficial effects that the operation is simple, the use is flexible, and the power generation efficiency of the solar panel main body is greatly improved.

The invention belongs to the technical field of monitoring equipment, and specifically relates to a security monitoring system and a control method thereof. The security monitoring system comprises abase and a camera body used for monitoring; the security monitoring system further comprises a dustproof and water proof protection device and a controller; the controller is used for controlling thework of equipment; the camera body is installed inside the protection device through the base; the protection device comprises a protective shell, a light-transmitting hole, a sponge brush, high-permeability glass, a No.1 mounting plate, a No.2 mounting plate, a driving gear, a limiting gear, a No.1 rotating shaft, a No.2 rotating shaft, an annular sliding groove, an annular gear, a slider and a micro speed regulating motor; and the protective shell is of a horizontally-arranged cylindrical hollow structure, and one side, far away from the base, of the protective shell is provided with the light-transmitting hole. According to the security monitoring system provided by the invention, the protection device is arranged on the camera body, so that a camera is protected, and dust under a mineis prevented from covering the camera body, thus a monitored picture is ensured not to be shielded.

Device (1) for classifying objects (2), in particular vehicles, on a roadway (3), with a sensor (4), which operates according to the light-section procedure and is directed onto the roadway (3) to detect the surface contour of an object (2), and an evaluation unit (6) connected to the sensor (5) that classifies the object (2) on the basis of the detected surface contour.

The invention provides a lyric display method, a mobile terminal and a computer readable memory medium. The lyric display meth comprises the steps of when the mobile terminal operates an audio playing program, obtaining a cover image displayed when a target song is played; judging whether a preset feature image exists in the cover image or not; if the preset feature image exists in the cover image, determining an area except the area in which the preset feature image is located as a target area; and displaying lyric information of the target song in the target area during a playing process of the target song. According to the method, the mobile terminal and the computer readable memory medium when the preset feature image exists in the cover image displayed when the target song is played, the played lyric information is displayed in the area except the display area in which the preset feature image is located, on a display interface of the cover image during the playing process of the target song. The preset feature image in the cover image can be prevented from being shielded, the user experience is improved, lyric display modes are diversified, and the lyric display interestingness is improved.

The invention discloses a portable thermal-insulation cup, and belongs to the technical field of articles of daily use. The portable thermal-insulation cup comprises a cup body, an inner cup lid, an outer cup lid, a locking device, a detection device, a base, an infrared sensing switch and a controller; the cup body is internally provided with an inner cavity, the inner cup lid is arranged at the upper portion of the cup body, and the outer cup lid is hinged to the upper portion of the inner cup lid, and is provided with a first lug which is matched with the locking device to lock the outer cup lid; the locking device comprises a second lug, a pressing rod, an electromagnet, an elastic part and a second overturn shaft; the detection device is inset at the upper edge of the inner cup lid; the base is arranged at the bottom of the cup body, and is provided with an electric appliance mounting cavity; the infrared sensing switch is arranged at the outer circumference surface of the base; the controller is arranged in the electric appliance mounting cavity. According to the portable thermal-insulation cup, automatic opening and locking of the outer cup lid are achieved, and the problem that the cup opening is easily contaminated when a lid of a traditional thermal-insulation cup needs to be unscrewed with hands is solved.

The invention relates to the field of electric digital data processing devices converting scattered information items into code modes, in particular to a method for implementing remote letter symbol input between intelligent terminals through a wireless network. The method for implementing remote letter symbol input between the intelligent terminals through the wireless network comprises the step of setting a receiving terminal and a sending terminal, wherein the receiving terminal and the sending terminal are intelligent terminals when the receiving terminal and the sending terminal are set. The method is characterized by also comprising the step of setting a wireless communication module, a handle and remote input. The invention has the advantages of simple structure, convenience for use, wide application range and high adaptability.

The invention belongs to the technical field of machining equipment for spare parts of automobiles and particularly discloses a gloss oil spraying device for the spare parts of the automobiles. The gloss oil spraying device comprises a box body and a paint mechanism; an opening and closing door is arranged on the side wall of the box body; an observation window is embedded in the opening and closing door; a recovering opening is formed in the bottom of the box body; a rotating clamping mechanism is arranged at the middle-upper part of the box body; a first scraping piece is arranged inside thebox body and comprises a first rotating plate, a second rotating plate, a first motor, a driving piece and a vertical rotating shaft; a first rotating hole is formed in the eccentric position of thefirst rotating plate; a second rotating hole is formed in the center of the second rotating plate; a bulge is arranged on the vertical rotating shaft; first leakage holes are formed in the first rotating plate; and second leakage holes are formed in the second rotating plate. By the aid of the spraying device, a lot of gloss oil which adheres to the side wall of the box body after being scatteredin all directions can be recycled.

The invention discloses a novel resene-based nanocomposite and a preparation method, a regeneration method and an application thereof, which belongs to the field of an environment functional material. The skeleton of the composite material is macroporous styrene-divinylbenzen copolymerization sphere, active chlorine is subjected to covalent combination on the skeleton, and the nano hydration iron oxide or nano hydration zirconia particles are uniformly distributed in the apertures. The specific surface area of the nanocomposite is 10-80 m<2> / g, the active chlorinity is 0.2-1.5 mmol / g, the mass fraction of Fe / Zr element is 5-25%, and the size of the nano particle is 5-100 nm. Through the steps of annular amide modification-in-situ deposition-chlorination, integration of oxidation function and adsorption function is realized, neighborhood oxidation-adsorption of trivalent arsenic is realized, the resene-based nanocomposite has the advantages of high oxidation capacity, high adsorption selectivity, protrude deep purification performance for trivalent arsenic, and stable regeneration, and can effectively increase the deep processing level of trivalent arsenic in underground water.

The invention relates to interface interaction and discloses a method and a device for displaying information on a terminal screen. The method comprises the following steps of: in response to an input signal in a predetermined type from a terminal input device, acquiring a graphic element corresponding to a current focus on the terminal screen; acquiring attribute information corresponding to the graphic element; displaying the attribute information in a newly created floating layer, and drawing a connecting line between the floating layer and the graphic element. In the method, the attribute information of the graphic element on the terminal screen can be displayed through the floating layer; as the connecting line is disposed between the floating layer and the graphic element, a corresponding relation between the graphic element and the attribute information can be displayed fixedly and clearly. The floating layer can be dragged, thus a user adjusts a display region of the floating layer conveniently, an original graphic element is avoided from being shielded, the connecting line follows the movement of the floating layer, and the corresponding relation between the floating layer and the graphic element can remain unchanged.

The invention relates to a device for preparing a suspended natural gas hydrate and a preparation method thereof. The device comprises a low-temperature circulating freezing device, a microwave heating device and a hydrate reaction kettle. The preparation method comprises the following steps of: coating a water repellent on a skeleton material, placing into a sample tube, freezing at low temperature, putting into the microwave heating device, carrying out microwave heating on the skeleton material in the sample tube while rotating, removing an end cover and a base, putting into a stainless steel reaction kettle, opening a throttle valve to fully react methane gas and ice particles, and injecting artificial seawater to suspend the skeleton material in hole water so as to prepare the suspended natural gas hydrate. When the microwave heating is adopted, the heating is remarkable, the interior of a sample absorbs less microwave quantity, the heating is not remarkable, the temperature gradient at low-temperature freezing is compensated, and advantages are created for generating the uniform suspended natural gas hydrate by the reaction of the methane gas and the ice particles. The skeleton material is subjected to surface treatment, so that the skeleton material has hydrophobic property so as to avoid from covering a natural gas hydrate layer on the skeleton material.

The invention relates to the technical field of bench drilling machines, and discloses a bench drilling machine high in clamping degree and convenient to adjust. The bench drilling machine comprises abase, wherein supporting legs are fixedly arranged at the bottom of the base. According to the bench drilling machine high in clamping degree and convenient to adjust, the size of a limiting groove is matched with the size of an object to be drilled, so that the limiting groove is used for limiting the object to be drilled for the first time, and then displacement is prevented from being generated in the front-and-back mode; after the object to be drilled is placed, threaded rods are rotated, at the moment, the threaded rods rotate oppositely after first threaded holes and second threaded holes are rotated, and then two clamping blocks are pressed on the front side and the rear side of the object to be drilled; air in suction grooves is squeezed out, so that the interiors of suction grooves are enabled to be in a maintain state, and then the object to be drilled is clamped; the suction grooves with the number of not being smaller than two are formed, so that clamping on the object tobe drilled through the clamping blocks is enabled to be steadier; and moreover, the clamping blocks are arranged as rubber and can be slightly deformed, so that the clamping blocks are more tightly attached to the object to be drilled, and the purpose of high clamping degree is achieved.

The invention relates to a solar street lamp with a cleaning function and high power generation efficiency. The solar street lamp with the cleaning function and high power generation efficiency comprises a lamp post, a lamp tube, a lampshade, a pedestal, a top plate, a fixed block and a solar panel; a cleaning mechanism and a heat-dissipating mechanism are arranged above the top plate; the cleaning mechanism comprises a water storage box, a water pumping assembly, a lifting assembly and a water spraying assembly; the water spraying assembly comprises a moving box, a nozzle and a hose; a movingunit is arranged in the moving box; the moving unit comprises a first motor, a rotating shaft, a driving gear and a rack; and the heat-dissipating mechanism comprises a gas pumping assembly, a dryingbox, a communicating pipe and a gas outlet pipe. According to the solar street lamp with the cleaning function and high power generation efficiency, through the cleaning mechanism, cleaning work canbe conducted on the solar panel, the influence on the power generation effect of the solar panel caused by the fact that the solar panel is sheltered by impurities such as dust is avoided and the power generation efficiency of the solar panel is improved; and through the heat-dissipating mechanism, heat-dissipating work can be conducted on the lampshade and the influence on the service life of thelamp tube caused by that the internal part of the lampshade is too hot is avoided.

The invention discloses a safety warning device for a power transmission line. The safety warning device comprises a left moving plate, a right fixing plate is arranged at one side of the left movingplate, the left moving plate and the right fixing plate are both of U-shaped structures, and openings of the two plates are oppositely arranged. The left moving plate and the right fixing plate are fixedly connected through connecting shafts which are symmetrically arranged front and back, the left ends of the connecting shafts are inserted into the left moving plate and are in threaded connectionwith an inner cavity of the left moving plate, and the right ends of the connecting shafts are inserted into the right fixing plate and rotationally connected with a motor arranged on the right sideface of the right fixing plate through a transmission mechanism. The inner side of the opening end of the left moving plate is fixedly connected with a supporting plate, a hydraulic oil tank and a hydraulic pump are arranged on the upper surface of the supporting plate, and hydraulic lifting columns are arranged on the upper surface of the left moving plate and the upper surface of the right fixing plate. According to the safety warning device, the length and the height of a warning frame can be adjusted according to different sites, so that the warning board can be adjusted to the position where pedestrians can pay attention, and meanwhile the dismounting and carrying are convenient.

The invention discloses a blood sampling needle protective sleeve which comprises a needle base provided with a needle base and a protective sleeve rotatably connected with the needle base by virtue of a first connecting structure, wherein the first connecting structure comprises a connecting convex column molded at the needle base and a connecting hole formed in the connecting end of the protective sleeve, and the connecting hole is rotatably buckled with the connecting convex column; the blood sampling needle protective sleeve further comprises a locking structure capable of locking the protective sleeve at an initial position; the locking structure comprises a lateral wing and a clamping slot, the lateral ring is molded at the needle base and radially extends, and the clamping slot is formed in the side wall of one side, adjacent to the lateral ring, of the protective sleeve and can be buckled with the lateral ring at the initial position. According to the blood sampling needle protective sleeve, the protective sleeve can be connected with any needle base by virtue of the first connecting structure, so that the protective sleeve has commonality and can be produced in batches; the locking structure can be used for locking the protective sleeve at the initial position, so that the protective sleeve is prevented from rotating randomly, further influencing the visual lines of medical care personnel and reducing the working efficiency in a needle head use process.

The invention belongs to the technical field of garbage recycling devices and particularly discloses an intelligent-classifying dry and wet garbage barrel. The intelligent-classifying dry and wet garbage barrel comprises a power supply, an outer barrel body, a dry material inner barrel body and a wet material inner barrel body. Barrel covers and cover turning mechanisms are arranged at the tops ofthe dry material inner barrel body and the wet material inner barrel body correspondingly. Driving motors and driving wheels are arranged on one sides of the barrel covers, a pre-containing groove isformed between the two driving wheels, and a moisture sensor is arranged at the bottom of the pre-containing groove. Two full-bin detecting mechanisms are arranged in a cavity. Conductive openings are formed in the bottoms of annular cavities, and conductive plates are arranged on the two sides of each conductive opening correspondingly, wherein one of the conductive plates is connected with thepower supply, and the other conductive plate is electrically connected with the corresponding cover turning mechanism. Traction wheels are arranged in the barrel covers, winding wheels are arranged onthe lower portions of the dry material inner barrel body and the wet material inner barrel body correspondingly, traction ropes are connected with the traction wheels, and the winding wheels are connected with threaded rods. Inner threaded holes are formed in the bottoms of the dry material inner barrel body and the wet material inner barrel body. By adopting the intelligent-classifying dry and wet garbage, the problems of dry and wet garbage classifying and garbage spilling can be effectively solved.

The invention discloses a track roller blind dust shield and a track with the track roller blind dust shield. The track roller blind dust shield comprises a roller blind and a rolling shaft. One end of the roller blind is fixed to the track, and the other end of the roller blind is fixed to the rolling shaft. Along with rotation and movement of the rolling shaft, the roller blind is gradually rolled on the rolling shaft to not cover the track or the roller blind is gradually disengaged from the rolling shaft so as to be unrolled and cover the track. Since the rolling shaft and a sliding plateare moved synchronously in the same direction, when the roller blind is rolled, the sliding plate is also moved towards the rolling direction so as to cover the track in time, and machining impuritiesare prevented from entering the track; and when the roller blind is unrolled, the sliding plate is also moved towards the unrolling direction, accordingly, the roller blind can cover the track portion exposed outwards in time, machining impurities are effectively prevented from entering the track, abrasion to the track is effectively reduced, and the service life of the track is prolonged. According to the track with the track roller blind dust shield, machining scrap iron or dust or other impurities can be effectively prevented from entering the track, track abrasion is reduced, the servicelife of the track is prolonged, and it is ensured that the machining process is smoothly carried out.

The present invention discloses a film slitting device configured to cut a thin film suitable for attaching to a wafer, wherein the wafer has an outer edge and a groove located at the outer edge. Thefilm slitting device comprises a bearing seat, a motion module, a groove cutter and an outer edge cutter. The motion module is arranged at the bearing seat. The groove current is arranged at the motion module to allow the motion module to drive the groove cutter to move relative to the bearing seat to be close to or far away from the thin film. The groove cutter can cut the thin film to form a broken hole at the thin film. The outer edge cutter is arranged at the motion module to allow the motion module to drive the outer edge cutter to move relative to the groove cutter to be close to or faraway from the thin film. The motion module can drive the outer edge cutter to rotate relative to the bearing seat to cut the thin film. The present invention further discloses a film slitting method.

The invention discloses a hoisting device with a self-adaptive supplement structure for metal heat treatment, and belongs to the field of metal heat treatment. According to the hoisting device with the self-adaptive supplement structure for metal heat treatment, a clamping part is installed on the inner wall of an annular frame to clamp the outer wall of a cylindrical iron ingot, so that the covered area during iron ingot fixing is effectively reduced; iron blocks are hoisted through the device instead of being directly stacked for heat treatment, so that the bottom of the iron ingot is effectively prevented from being covered by the contact surface when the iron ingot is placed, and the heating uniformity of the iron ingot during heat treatment is further guaranteed; through fixed connection of a clump weight and a sliding bar, power is provided for movement of the sliding bar by means of the gravity of the clump weight, so that a first clamping arm and a second clamping arm can deform in a self-adaptive manner to keep firm clamping of the iron ingot, the situation that hoisting and clamping of the iron ingot are loosened due to expansion and contraction of the iron ingot is avoided, and the using stability and safety of the device are effectively guaranteed.

The invention discloses a building elevator monitoring device adopting airflow blowing heaving to prevent shielding. The building elevator monitoring device structurally comprises a mounting disc, a self-sensing anti-covering device, a camera and a core controller. The building elevator monitoring device has the advantages that the self-sensing anti-covering device is arranged, when a camera of an elevator is maliciously covered, a self-sensing device is used for transmitting electric signals to an air circulation mechanism, so that the airflow inside a fixed air bag is squeezed upwards while a magnetic plate is attracted by an electromagnetic plate and is gradually close to the electromagnetic plate, the airflow is blown out through air holes, a covering object is blown up, the situation that the covering object shields the monitoring of the camera in the elevator is avoided, unnecessary illegal events are caused, the air holes are arranged in a conical structure, the airflow flows outwards through the air holes, when the airflow flows at the smaller outlet, the higher the airflow intensity is, the heaving up force of covering object is increased, so that the covering object can be directly blown away from the camera, and the normal use of the monitoring can be ensured.

The invention discloses a method for improving ink jet stability and pyrograph color effect by changing hot melt adhesive powder. Pyrograph paper is included, the pyrograph paper comprises transfer paper, a color image-text printing layer, a coating ink layer and a hot melt adhesive powder layer which are arranged in sequence, and the hot melt adhesive powder layer is in contact with a clothing fabric during thermal transfer. The coating ink layer is obtained through ink-jet printing of light white coating ink or transparent coating ink, the hot melt adhesive powder layer is obtained through auxiliary color hot melt adhesive powder, and the auxiliary color hot melt adhesive powder comprises white hot melt adhesive powder, pearlescent color hot melt adhesive powder and metallic color hot melt adhesive powder. The white hot melt adhesive powder and the light white coating ink improve the stability of ink-jet printing and prolong the service life of an ink-jet head, the ink-jet printing ink has the capacity of covering the color of a dark fabric, and the pearlescent color hot melt adhesive powder or the metal color hot melt adhesive and the transparent coating ink achieve the effect that the metal color and pearlescent color effect is close to the color effect of silk-screen printing. The ink jet stability and the pyrograph color effect can be effectively improved.

The invention discloses a coating device for a mildew preventive. The device comprises a box. A drying cavity and a coating cavity are formed inside the box. A baffle is arranged between the drying cavity and the coating cavity. A hydraulic rod is arranged on the baffle for performing drying, a garment feeding door and a garment discharging door are hinged to the two ends of the box respectively,two rows of bristles are arranged inside the coating cavity, a belt is arranged between the upper row of bristles and the lower row of bristles for linkage, the bristles are driven by a motor, a firstconveyor belt is arranged between the bristles, a clothes placement frame is arranged on the first conveyor belt, the first conveyor belt is driven by a stepping motor, a mildew preventive solution is contained at the bottom of the coating cavity, a micro water pump is arranged in the mildew preventive solution, a water outlet of the micro water pump is provided with a guide pipe to the top of the coating cavity, a plurality of nozzles are evenly distributed on the guide pipe, the top and the bottom of the drying cavity are each provided with a fan, an electric heating wire is arranged in anair outlet of the fan, and a second conveyor belt is arranged inside the drying cavity. The surface of a garment can be rapidly coated with the mildew preventive, the efficiency is high, artificial contact is reduced, the production efficiency is improved while the safety is good, and therefore the economic benefits are increased.

The invention provides a pile body fixing mechanism for mudflat photovoltaic construction and a pile driver thereof. The pile body fixing mechanism comprises a bottom plate, a fixing plate and an equipment box, a pile clamping arm which is driven by a driving motor and movably stretches out of the equipment box is arranged in the equipment box, a deviation measuring assembly, an inflation assembly and a cleaning assembly are arranged in the equipment box, the deviation measuring assembly controls a power source to supply power to a warning assembly under the cooperation of a trigger rod and an inductor, the inflation assembly comprises a mounting box, a piston block and a driving magnetic block, the cleaning assembly comprises a high-pressure water tank, a flushing box and a sealing block, and the sealing block and the driving magnetic block are fixedly connected through a traction rope. In the using process, an illuminator continuously flickers under the cooperation of an iron block and an elastic electrifying piece, meanwhile, the inflation assembly is driven to continuously inflate an inflation block, the inflation block expands to correct the deviated pile body, and the driving magnetic block is matched with a flushing assembly to regularly clean the illuminator while driving the inflation assembly.

The invention relates to a wind-proof and telescopic clothes hanger used in the field of daily life. Most of the present wind-proof clothes hangers do not have the locking function when the hanging opening is closed so that the hanging opening is easy to open or the operation is complex if the clothes hangers have the locking function. Movable beams of existing telescopic hangers are prone to accidental displacement, or labor consuming in adjusting. Double-hook pants hangers have great damage to pants loops. The novel technical scheme of the invention is as follows: the clothes hanger structure comprises a shelf body, a sealing lifting rod, a locking rod and a movable beam. The sealing lifting rod is hinged on the frame body, and the sealing section of the sealing rod and the frame body form a hanging opening, and the hanging opening is automatically closed under the action of gravity; a locking lever is hinged to the sealing lifting rod and can automatically lock the close state of the hanging opening under the action of gravity and elastic force. When the operating section is depressed, a locking buckle of the movable beam is pulled away from the groove formed by the positioningprotrusion of the frame body, so that the movable beam can be easily moved; when released, the locking buckle elastically returns and the movable beam is locked. The hanger's inverted T-loop hooks andtwo-end hooks allow pants to be hung at 3 points for drying.

The invention relates to the field of equipment for making pickled and salted vegetables, particularly a pickled / salted vegetable dual-purpose jar. The pickled / salted vegetable dual-purpose jar comprises a jar body, a jar opening and a conical plug, wherein the inner wall of the jar opening is provided with an annular clamping groove; the middle part of the plug against the small end is fixedly provided with a hollow seal ring; one side of the seal ring towards the inside of the jar body is provided with an air hole which communicates with the cavity of the seal ring; the inside of the plug is provided with a first air duct and a second air duct which communicate the inside with the outside of the jar body; the big end surface of the plug at the outlet of the first air duct is provided with an elastic sealing film; a hollow inserted link is inserted into the second air duct; and a closing plate is sheathed on the end of the inserted link on the side of the big end surface of the plug. The air tightness of the jar body is judged by observing whether the sealing film expands, which is simple and visible; and thus, the air tightness of the jar body can be judged from outside; and the jar cover is not opened so as to keep the lactobacillus fermentation continuity, so that the pickled or salted vegetables have better mouthfeel.

The invention discloses an outdoor movable rotating bulletin board for municipal culture propaganda. The bulletin board comprises a detachable cover plate, an enclosure frame, a spherical bulletin board body and a movable base; the lower end of the detachable cover plate is cooperatively connected with the enclosure frame, the enclosure frame is of a rectangular frame structure, the inner wall ofthe enclosure frame is provided with two placement grooves, and the two placement grooves are symmetrically distributed left and right about the center of the enclosure frame; a wiping pad is clampedinto each placement groove, the upper portion of the right placement groove is provided with a water supply groove communicated with the placement groove, the surface of the enclosure frame is provided with a water pipe which penetrates through the outer wall of the enclosure frame and is inserted in the water supply groove, and the spherical bulletin board body is arranged between the two wipingpads; the bulletin board body is provided with transparent protective covers, the transparent protective covers are automatically ejected under the elastic force of elastic rods and the elastic forceof torsion springs and fixed in cooperation with buckle plates and limiting blocks, and the replacement of announcement information is facilitated.

The invention discloses a pulp smashing device used for kaolin beneficiation. The pulp smashing device comprises a device body. A working cavity is formed in the device body and comprises a first smashing cavity. A first smashing device is assembled in the first smashing cavity. A second smashing cavity is formed in the lower end of the first smashing cavity. A second smashing device is assembledin the second smashing cavity and comprises a motor. A fixing rod is assembled at the output end of the motor. Stirring teeth are uniformly and symmetrically assembled at the upper end of the outer wall of the fixing rod. Second stirring teeth are assembled in the second smashing cavity. A stirring cavity is formed in the lower end of the second smashing cavity. Stirring rods are assembled in thestirring cavity and are assembled at the lower end of the outer wall of the fixing rod. A second sieve plate is assembled between the stirring cavity and the second smashing cavity and is assembled atthe lower ends of the stirring teeth. According to the pulp smashing device used for kaolin beneficiation, the stirring teeth are assembled in the second smashing cavity, so that the problem of the poor smashing effect of a traditional gravity smashing technique is effectively solved; and the pulp smashing device used for kaolin beneficiation is simple in structure and convenient to operate.

The invention discloses a multi-function vacuum cleaner which comprises a vacuum cleaner housing; a receiving outer case is welded to the outer side of the bottom of the vacuum cleaner housing, and adust suction rod is mounted on one side of the vacuum cleaner housing; a mopping mechanism is installed below the middle portion of the dust suction rod. The structure of the invention is scientific and reasonable, and the use is safe and convenient. A damper spring that is sleeved on the outside of a damper column effectively reduces the lateral movement of the device when it moves horizontally,which avoids the lateral movement causing the shock of the dust inside the vacuum cleaner to overflow, and at the same time avoids the mutual collision damage of the internal components of the vacuumcleaner; the mop is attached to the ground to ensure that the mop can effectively clean the attached stain on the ground when the vacuum cleaner is moving, which solves the problem that the existing vacuum cleaner is difficult to clean the stubborn stain on the ground; UV disinfection lamps can effectively disinfect the cleaned ground, reduce the residual bacteria on the ground, and avoid the damage of the bacteria to the residents.

A soil taking and conveying device of agricultural machinery comprises two parallel girders connected through a connecting part, traction seats connected with a traction device are arranged on the girders, detachable soil taking and conveying device supports are arranged on two sides of the girders, soil taking and conveying devices are hinged to the soil taking and conveying device supports and driven by transmission mechanisms arranged at the lower parts of the girders, and adjusting devices are arranged between the soil taking and conveying devices and the soil taking and conveying device supports. The whole device adopts a modular design and is easy to dismount and convenient to maintain, the adjusting devices can adjust the soil taking amount, requirements of different crop agriculture are met, meanwhile, the device can work on uneven land, and winding by weeds can be avoided due to ingenious design of soil taking screws.

The invention relates to a dyeing composition containing natural plant ingredients. The dyeing composition is prepared from a first agent and a second agent, wherein the first agent comprises an oxidative developing alkali and a coupling agent and the second agent comprises an oxidant; the oxidative developing alkali comprises 2,5-diaminotoluene or an addition salt thereof; the coupling agent comprises ethoxyl-3,4-methylenedioxyaniline and an addition salt thereof; the first agent further comprises a tea leaf extract and an asiatic pennywort herb extract. The dyeing composition provided by the invention selects the specific oxidative developing alkali and coupling agent, and also contains the natural plant ingredients, so that the dyeing firmness of the dyeing composition is remarkably improved; the dyeing composition provided by the invention has small irritation on scalps and small side effect, and has relatively large popularization and application value.