131results about How to "Influential impact" patented technology

The invention discloses an arc glass edge grinding machine. The arc glass edge grinding machine comprises a box body, positioning suction cups and a grinding mechanism. The positioning suction cups are connected with the box body through a first cantilever. The other end of the first cantilever is connected with a second cantilever in a rotating manner. The end of the second cantilever is connected with a grinding mechanism. The grinding mechanism comprises an arc-shaped supporting frame, a fixed box, a positioning buckle plate and a first motor. The top end of the arc-shaped supporting frame is connected with the fixed box. The positioning buckle plate is arranged on the side face of the fixed box. The first motor is limited by the positioning buckle plate. A second motor, a hydraulic oil tank and a draught fan are arranged in the box body. An air inlet pipe and an air outlet pipe are arranged on the draught fan. The arc glass edge grinding machine is simple in structure and high in practicability, can conduct edge grinding on arc-shaped edges of conventional glass and can conduct arc edge grinding on glass of different sizes as well, the stability of glass during edge grinding is improved, glass uniformly bears force, the service life of the edge grinding machine is prolonged, and economic benefits are remarkable.

The invention belongs to the image fusing field, and specifically relates to an infrared polarization and light intensity image fusing method guided by a multi-feature objective function capable of comprehensively considering difference feature types and strong-weak relationship of a source image at several aspects and increasing the feature utilizing rate to improve the fusion effect. According to the invention, by utilizing the type and the amplitude of infrared polarization and light intensity image difference feature and an objective function established by a fusion weight vector, the strong-weak relationship between pixel multiple attributes is comprehensively considered; by utilizing features between source images as difference information between individuality of a group and by utilizing differential evolution to perform optimization fusion based on group differences, the fusion pertinence and the fusion effect of each feature are improved; the method has the several features of effectively improving the grey level, the texture, the edge and the contrast ratio in a fused imaged. The method is mainly used to fuse infrared polarization and light intensity images.

The invention discloses a soil remediation ecological moisturizing method based on efficient stirring. A solution mixing and effect-improving mechanism comprises a mixing cylinder, a bracket, a secondrotating motor, a stirring rod, a stirring frame, a shovel plate, a discharge pipe, a water stop valve, a charging barrel, a filtering barrel, a chain wheel, a chain, a rotating rod, an upper grinding block, a lower grinding block, a channel, a spiral feeding plate, a feeding pipe, a rotary vane, a filtering barrel, a water outlet and a water inlet pipe, the bottom end of the mixing cylinder is fixedly connected with a bracket, safe and convenient use is realized, a solution mixing and efficiency improving mechanism is arranged, the second rotating motor drives the stirring rod to rotate, andthe two rotating rods are driven to move and rotate through transmission of the chain wheels and the chains, so that the repairing agent is crushed through cooperation of the upper grinding block andthe lower grinding block, the repairing agent can be rapidly mixed with water, meanwhile, the rotary vane and the filtering barrel are matched to filter the water, impurities in the water are reduced, and the effect of the mixed repairing liquid is prevented from being affected by too many impurities.

The invention discloses an agricultural field quantitative watering and liquid fertilizer irrigating device based on the internet of things. The agricultural field quantitative watering and liquid fertilizer irrigating device based on the internet of things comprises a main three-way pipe, wherein a pipe orifice of the main three-way pipe is provided with a liquid fertilizer delivering pipe; and one end of the liquid fertilizer delivering pipe is provided with a liquid fertilizer storage assembly. The agricultural field quantitative watering and liquid fertilizer irrigating device based on theinternet of things is scientific and reasonable in structure and safe and convenient to use. The liquid fertilizer storage assembly is arranged, through effects of a stirring shaft, a rotating wheel,a stirring wheel and stirring blades, liquid fertilizers are convenient to stir, and are mixed uniformly, the fertilizer effect is improved, through the action of floating blocks, the liquid level condition inside a liquid fertilizer tank can be visually observed by a user, therefore, whether raw materials need to be added or not is judged, and through effects of a bearing wheel, a linkage rod, afirst belt pulley, a second belt pulley and a linkage belt, liquid in the liquid fertilizer tank is stirred automatically by converting potential energy generated by falling of the liquid into kinetic energy, the liquid in the liquid fertilizer tank is prevented from depositing, and resources are saved.

The invention discloses a magnetic polishing machine for motorcycle bearing processing, which comprises a polishing bucket, a fuselage shell and a driving motor. There is a drive motor, and heat dissipation chambers are symmetrically arranged on both sides of the interior of the fuselage shell, and cooling fans are symmetrically installed inside the two heat dissipation chambers, and a magnetic chamber is arranged above the interior of the fuselage shell, and the magnetic chamber An electromagnet is installed inside, and the drive motor is connected to the polishing barrel fixed plate through the rotation of the connecting shaft. In the present invention, a rubber baffle is arranged inside the polishing barrel, and the rubber baffle is clamped at 45 degrees with the inside of the fuselage shell. When the polishing barrel rotates, it can collide with the bearing and magnetic grinding material placed inside the polishing barrel, which improves the polishing efficiency and achieves the rapid removal of burrs and chamfers on the surface of the motorcycle bearing, making the motorcycle The bearing surface is smoother.

The invention discloses an automatic dredging type urban domestic sewage treatment system, and belongs to the technical field of domestic sewage treatment. The automatic dredging type urban domestic sewage treatment system comprises a pipeline and a filter box, a plurality of fan blades are fixedly connected to an adapter rod, and a transmission mechanism is connected to the adapter rod; a filter plate and a sliding rod are fixedly connected between a partition and the bottom of the inner cavity of the filter box, and the right end of the filter plate is connected with a dredging mechanism. According to the scheme, through cooperation of the transmission mechanism and the dredging mechanism, a dredging rod is driven to move back and forth to unblock the filter holes, the filter holes can be prevented from being blocked, a second rotating shaft is driven by the transmission mechanism to continuously rotate forwards and backwards, the scraping plates on the upper side and the lower side can be driven to move close to each other or away from each other in a reciprocating mode, garbage adhering to the outer wall of the filter plate can be cleaned, excessive accumulation is avoided, frequent replacement is avoided, garbage on the left side of the filter plate can be effectively collected by capturing a balloon, manual fishing is not needed, and the use effect of the filter box is improved.

The invention discloses a device for eye surgery and a use method. The device for the eye surgery comprises a bottom plate, support columns are welded to the two sides of the bottom of the bottom plate, circular holes are formed in the support columns, the inner wall of each circular hole is in threaded connection with a third screw rod, the two ends of each third screw rod extend to the two sidesof the corresponding support column respectively, braking plates are welded to the ends, close to each other, of the two third screw rods, and a mounting plate is welded to the top of the bottom plate. The device is simple in structure, the bottom plate is fixed on an operating table for ophthalmosurgery, a patient rests the head on a supporting plate, a first handle is rotated, when a green lampis lightened, the rotation of the first handle is stopped, at this moment, the head of the patient can be fixed between a first clamping plate and a second clamping plate, and the head of the patientcan be fixed; the situation that the surgery time and effect are influenced due to the continuous movement of the head of the patient can be effectively prevented, a doctor can carry out the surgerywork more smoothly, and the device is convenient to use.

The invention relates to the field of landfill, and discloses a combined landfill site closure system. The combined landfill site closure system comprises a landfill site body, wherein impermeable layers are arranged on the bottom part and the side surfaces of the landfill site body, drainage pipelines are arranged in the impermeable layers, and the drainage pipelines are connected with a sewage treatment station; an inner cavity of the landfill site body is filled with solid waste, a covering layer is arranged on the solid waste, and the covering layer is composed of a first crushed stone layer, a first geomembrane, a drainage net and a vegetation layer from bottom to top in sequence; and an exhaust pipeline is arranged in the first crushed stone layer, and an exhaust network is connectedwith a gas gathering station. Through the combined landfill site closure system, the problems that the impermeable performance of the landfill site closure system is poor, resources are wasted, and the landfill amount of the landfill site body is reduced due to the fact that a large amount of earth and stone is used in an existing landfill site closure system are solved, and the problem that leachate of the landfill site body pollutes groundwater is also solved.

The invention discloses a seed soaking device for agricultural seedling culture, and belongs to the field of agriculture. The seed soaking device comprises a seed soaking box, a water inlet pipe is arranged on the side wall of the seed soaking box, a telescopic rod is arranged on the lower surface of a horizontal plate, the bottom end of the telescopic rod is connected with a fixed circular ring,a seed soaking mesh basket is detachably arranged on the fixed circular ring, an ultraviolet sterilizing lamp is mounted on the inner wall of the seed soaking box, an inclined guide plate is arrangedat the bottom end of the seed soaking box, a water discharging pipe is arranged at the lowest end of the inclined guide plate, a heater is mounted on the inclined guide plate, a pesticide adding pipeis arranged on the seed soaking box, one end of a spraying pipe is connected with the water inlet pipe, a plastic hose is arranged at the other end of the spraying pipe, and a spraying disk is arranged on the plastic hose. According to the seed soaking device, agricultural seeds are soaked underwater and cannot be floated on the water surface, proper water temperature and water flowing are ensuredin the seed soaking process, seed soaking efficiency and effect is improved, breeding and propagating of harmful bacteria on the seeds are avoided, eggs on the seeds are killed, safe seedling cultureof the seeds can be ensured, the germination rate of the seeds is increased, and growth of the seeds is facilitated.

The invention relates to a three-dimensional spacer fabric reinforced space membrane material, a preparation method and a processing device thereof. The preparation method includes: in a three-dimensional spacer fabric running process, firstly applying tension along the fabric running direction and maintaining the tension unchanged, making spacer yarns in the fabric at a vertically straight state,then disposing an opening with a length equal to the width of the fabric at the fabric top cloth surface along a direction perpendicular to the fabric running direction, letting the upper layer and lower layer of the fabric staggered horizontally and the spacer yarns at an inclined tense state, and finally compounding the composite fabric with a membrane material to obtain the three-dimensional spacer fabric reinforced space membrane material. The processing device includes a cloth feeding roll, a tension roll, a sizing mechanism, a shaping mechanism, a lamination mechanism, a post-treatmentmechanism and a collection mechanism that are arranged in sequence. The final product has a composite layer structure including a plurality of membrane materials layers and a fabric layer between themembrane material layers, and the spacer yarns in the fabric can move freely and have no adhesion. The preparation method provided by the invention is simple in process, the processing device has a simple structure, and the product has excellent mechanical properties.

The invention discloses a cyclic cold compress device for orthopedic nursing. The cyclic cold compress device comprises a device body which comprises a water tank, a condenser is fixedly mounted abovethe water tank, a supporting device is arranged above the condenser, a cold compress device is mounted on the supporting device, supporting columns are uniformly arranged at the bottom of the water tank, a castor is mounted at the bottom of each supporting column, and a water incoming pipe is connected above the left side of the water tank. By arranging the condenser above the water tank, a coldcompress belt is connected with the water tank through a cold compress belt water incoming pipe and a cold compress belt water outgoing pipe, and a first water distribution pipe, an elbow and a secondwater distribution pipe are arranged in the cold compress belt to realize circulating to enable ice water to exist in the cold compress belt continuously, so that impact on cold compress effect due to temperature rise of water in the cold compress belt is avoided; by arranging the supporting device in the middle above the condenser to support the cold compress device, discomfort of a patient caused by the fact that the cold compress device is directly put at an affected part of the patient, thereby compressing the affected part is prevented.

The invention discloses a pharmaceutical preparation tank with cleaning and height-adjusting functions. The tank comprises a tank body, an expansion link, a charging pipe, a discharging pipe, a booster pump and a waste liquid collection tank, wherein the height of the tank body is adjusted by virtue of the expansion link, and the equipment practicality is improved; water enters a cavity from a second water inlet pipe by opening the booster pump, and is further sprayed out through a nozzle to clean the inside of an inner tank body, so that manpower is saved; materials in the inner tank body is heated by a heater, so that lipid materials in the inner tank body is prevented from being cooled and solidified, and the effect of lipid material ingredients is not influenced; and an insulating material layer is adhered to the inner wall of the inner tank body to achieve an effect of insulating the inner tank body, so that the preparation effect is improved; and the pressure situation in the tank body can be understood by utilizing a hydraulic gauge to achieve the effect of protecting the tank body.

The application discloses a head-mounted equipment light shield; in usage, a light shield shadow shield is fixed in the head-mounted equipment; eyeshade shading portions are respectively fixed around user eyes; a transition curved surface, a support curved surface, a stretching curved surface and a nose support member make contacts with the user face; when a random part of the transition curved surface, the support curved surface, the stretching curved surface and the nose support member deforms, other parts will be driven to deform, so the shading portions can make fully contacts with the user face in fixations; no slit is formed, thus preventing lights from entering the light shield through the slit, improving user experience feelings, and improving the head-mounted equipment effect.

The invention discloses a crankshaft driven interval feeding type resin paint blending device which comprises a blending tank, a partition plate, a first driving motor, a second baffle plate and a filtering trough, wherein the filtering trough is arranged inside the blending tank; a rotating shaft is mounted in the center of the filtering trough in an embedded manner; a lower partition plate is fixedly mounted inside the blending tank; the lower partition plate is positioned below an upper partition plate; a mixing cavity is formed between the lower partition plate and the upper partition plate; a device cavity is formed below the lower partition plate. By adopting the paint blending device, positive and negative rotation of stirring blades is achieved, and meanwhile up and down movement of the stirring blades can be also achieved, so that materials inside the mixing cavity can be relatively sufficiently stirred and mixed, the situation that paint at the bottom and the upper part of the mixing cavity is not stirred and mixed in place can be avoided, and the mixing effect can be greatly improved.

The invention relates to the technical field of metal wire drawing and discloses a device capable of adjusting the size during metal wire drawing. The device comprises a bottom plate. A single-face tooth bar is fixedly installed at the lower end of an inner cavity of the bottom plate, and first rotating gears and second rotating gears are engaged with the two ends of the tooth positions of the single-face tooth bar. A double-face tooth bar is engaged with the tooth positions of the second rotating gears, and a rotating gear is engaged with the tooth position of the right end of the double-facetooth bar. A sliding tooth bar is engaged with the tooth position of the upper end of the rotating gear, and the right end of the sliding tooth bar is engaged with the first rotating gears. Stop blocks are fixedly installed at the two ends of the upper surface of the bottom plate. By means of the device, a metal plate can be effectively clamped through clamping pillars, the metal plate is prevented from jittering in the wire drawing process, the phenomenon that the putting position of the metal plate is deviated, and attractiveness of metal in the wire drawing process is affected is avoided,the function of fixing the metal plate is achieved, the metal plate can be fixed, and the phenomenon that wire drawing on the metal plate is not uniform due to deviation of the metal plate, and the overall effect of the finished product is affected is prevented.

The invention discloses a bridge pier protecting device, and belongs to the field of construction safety. The bridge pier protecting device is mainly used for safety protection of a pier of a bridge and comprises a ridge track group arranged on the periphery of the pier, a striking energy consumption pillar group consisting of a plurality of striking energy consumption pillars as well as a plurality of connecting components connected among the striking energy consumption pillars, wherein the striking energy consumption pillar group formed by connecting the plurality of striking energy consumption pillars through the plurality of connecting components surrounds the pier, and the striking energy consumption pillar group can slide up and down along the ridge track group. The bridge pier protecting device has the characteristics that the structure is simple, the maintenance is convenient, the device can automatically float up and down with rising and falling of the water level and cannot directly damage the pier when struck by a ship and the like, the reliability and the efficiency are high and the like.

The invention discloses Chinese herbal medicine bath wash and a preparation process thereof. The bath wash comprises the following components in parts by weight: 50-80 parts of purified water, 5-15 parts of a cation surfactant, 3-8 parts of a stabilizer, 3-8 parts of a zwitterionic surfactant, 1-5 parts of a thickening agent, 0.5-3 parts of an emulsifier, 0.1-2 parts of a solubilizer, 0.2-1 part of a wetting agent, less than 0.2 part of a complexing agent, less than 0.1 part of Chinese mugwort oil and 1-2 parts of Ai-qing cream. The preparation process comprises the following steps: uniformly dispersing most of the components in purified water by adopting a stirring, heating and dissolving method, then cooling and stirring, and finally, screening. The Chinese mugwort oil and Ai-qing cream prepared by a special process are simultaneously added into the bath wash, and the Chinese mugwort oil and Ai-qing cream are matched with each other, so that the amount of the Chinese mugwort oil and Ai-qing cream in the bath wash is greatly reduced, and the bath wash has excellent effects of resisting and inhibiting bacteria, removing prickly heat and relieving itching. Moreover, the bath wash is simple in preparation process and low in cost.

The invention discloses a lubricating device for lathe machining. The lubricating device for lathe machining comprises a machine table, wherein an internal plate is fixedly mounted at the bottom end of a cavity of the machine table; a fixed rack is fixedly mounted in the middle of the top end of the internal plate; an impurity collecting barrel is movably inserted in the fixed rack; side surfaces of the fixed rack are fixedly connected with sloping plates; the top ends of the sloping plates are fixedly connected with the bottom end of a supporting table; the supporting table is fixedly mounted at the top end of the machine table; and a machining table is fixedly mounted in the middle of the top end of the supporting table. According to the lubricating device for lathe machining, two precipitating tanks are matched with two flow distributing devices, collected lubricating oil is precipitated, tiny impurities which are doped in the lubricating oil are precipitated, by independent control of the other flow distributing device, the precipitated lubricating oil is guided out and used, precipitation is implemented by the two precipitating tanks alternately, therefore, the content of the impurities in the lubricating oil is greatly reduced, the purity of reused lubricating oil is improved, and the lubricating effect and long-time supply efficiency and effect are ensured.

The invention belongs to the technical field of dampers, in particular to a vehicle shock absorber based on variable-friction-force damper. The vehicle shock absorber comprises a bottom plate, an assembly shell, a triggering plate, a damping spring, a driving mechanism, a driving rod and a shaft bush; when people use the shock absorber designed in the invention, during a shock process, when the triggering plate moves downwards, the triggering plate can drive the driving rod to move downwards through the shaft bush; the driving rod moves downwards to enable pressing force transmitted by the driving rod to a friction arc plate to reach a stable state; friction force of the friction arc plate to a first rack reaches a stable state; meanwhile, the driving rod which moves downwards can also drive a corresponding first gear to rotate; and the first gear can drive a corresponding first rack to move during rotating; the first rack rubs the corresponding friction arc plate during a moving process; moving speed of the first rack can be lowered through the friction force; and a damping effect can be realized through the friction force.

The invention discloses an LED (Light-emitting Diode) deep ultraviolet sterilization device for air purification. The LED deep ultraviolet sterilization device for air purification comprises an air purification tank, a first deep ultraviolet sterilization LED lamp and a heater. An air inlet is formed in the top part of one side of the air purification tank; an air outlet is formed in the bottom part of one side, opposite to the air inlet, of the air purification tank; a side guide rail is arranged in the air purification tank; a movable sliding seat is arranged on the side guide rail; and thefirst deep ultraviolet sterilization LED lamp is fixedly arranged on the movable sliding seat, and is slidably arranged with the slide guide rail through the movable sliding seat. The LED deep ultraviolet sterilization device for air purification provided by the invention is reasonable and simple in structure ang good in sterilization effect; the first deep ultraviolet sterilization LED lamp can move in the air purification tank up and down so as to sterilize, so that the comprehensiveness of sterilization in the air purification tank is ensured, the uniformity and the thoroughness of deep ultraviolet sterilization of air in the air purification tank are ensured by utilizing air flowing, the temperature and the humidity for sterilizing and purifying the air are ensured, and the treatment speed of air sterilization and purification is further accelerated.

The invention discloses an efficient preparation device for a graphene insulating material film and a using method thereof. The efficient preparation device comprises a supporting base and a material mixing structure, wherein the material mixing structure comprises a material mixing shell; the material mixing shell is fixedly connected to the top of the supporting base; the top of the material mixing shell is fixedly connected with a first motor; the output end of the first motor is fixedly connected with a protective shell; the bottom of the protective shell is fixedly connected with a rotating shaft barrel; the surface of the rotating shaft barrel is fixedly connected with a plurality of stirring blades; and a cleaning mechanism is arranged on the surface of the rotating shaft barrel. According to the efficient preparation device disclosed by the invention, the rotating shaft barrel and the stirring blades are used for mixing and stirring a graphene material, and a material conveying auger is used for conveying the graphene material at the lower part of an inner cavity of the material mixing shell to the upper part of an inner cavity of the first motor, so that the graphene material can be transversely stirred and can also be vertically stirred, and therefore, the mixing effect of the graphene material is better, the mixing time of the graphene material is shortened, and the production efficiency of the graphene insulating material film is improved.

The invention provides a device and method for cleaning stickers on automobile glass through multi-step treatment, and relates to the field of automobiles. The device for cleaning the stickers on theautomobile glass through multi-step treatment comprises a mounting fixed shell, wherein a top grip is bonded to the top of the mounting fixed shell, the side wall of the mounting fixed shell is bondedto one end of a connecting grip rod, the other end of the connecting grip rod is bonded to the side wall of an end grip, the side wall of the mounting fixed shell is connected with a liquid accumulation mechanism on the side away from the end grip, and a flexible welt shoveling mechanism is arranged in the mounting fixed shell. According to the device for cleaning the stickers on the automobile glass through multi-step treatment, a shovel piece inclines downwards and makes contact with glass obliquely when being in contact with the glass, the end of the shovel piece can be inserted between the glass and a sticker conveniently, the shovel piece makes contact with the glass and then gets close to an installation roller, scratches generated on the glass due to hard contact with the glass areprevented, and hot air generated by the device facilitates melting of the adhesive sticker, the binding power is reduced, and the sticker is facilitated to be shoveled.

The invention discloses a Korean cashmere machine. The Korean cashmere machine comprises a bracket which is connected with a left side plate and a right side plate, wherein a motor is arranged inside the right side plate; a transfer shaft, an upper glue shaft and a lower glue shaft are arranged on the upper part of each of the left and right side plates; an optical shaft is arranged in an optical shaft connecting hole; the upper glue shaft is matched with the optical shaft; the lower glue shaft is arranged on the lower part of the optical shaft; the upper glue shaft is arranged on the right top position of the optical shaft; the transfer shaft is arranged on the right bottom part of the lower glue shaft; a paper transfer shaft is arranged on the right top side of the lower glue shaft; a paper feeding plate is arranged on the paper feeding side between the optical shaft and the lower glue shaft; a paper receiving plate is arranged on the paper outlet side between the optical shaft and the lower glue shaft; the transfer shaft is connected with the motor through a speed reducer; the lower glue shaft, the upper glue shaft and the optical shaft are respectively connected with the transfer shaft by virtue of transmission structures. By using a single motor as a power source, the Korean cashmere machine disclosed by the invention is low in production cost, and the speed ratio of the lower glue shaft and the optical shaft is constant, so that the problem in the prior art that the film casting effect caused by change of the speed ratio is poor is solved.

The present invention discloses a rapid detection device for household appliance production. The rapid detection device comprises an upper supporting plate, a lower supporting plate, a conveyor belt, a transmission mechanism and a detection mechanism; the upper supporting plate and the lower supporting plate are parallel to each other in a vertical direction; the transmission mechanism is located on the top surface of the upper supporting plate; the transmission mechanism includes a first guide rail and a second guide rail; an end portion of the first guide rail is provided with a first servo motor; the first servo motor is connected with a first screw rod; the second guide rail is movably connected above the first guide rail through a sliding mechanism; the second guide rail is perpendicular to the first guide rail; an end portion of the second guide rail is provided with a second servo motor; the second servo motor is connected with a second screw rod; and the detection mechanism is movably connected onto the second guide rail. The rapid detection device has the advantages of structural simplicity, high practicability, extended detection range and high efficiency. With the rapid detection device adopted, the stability and reliability of household appliances in transmission during detection can be improved, detection precision is improved, and the production requirements of flow line production can be satisfied.

The invention relates to the technical field of electronic book page design, in particular to a method for annotating electronic book content. The method comprises steps as follows: a text page where to-be-annotated content is located is acquired; first operation sliding in a first direction on the text page is received and responded, and a transparent page is generated on the text page; annotating operation for annotating content of the text page on the transparent page is received, and annotation marks are displayed on the transparent page; and when second operation sliding in a second direction on the transparent page is received, the second operation is responded, and the transparent page is hidden, wherein the second direction is opposite to the first direction. The technical problem that the reading effect when a user reads an electronic book is affected by the annotation effect provided by the electronic book in the prior art is solved, and the electronic book can be effectively annotated while the electronic book reading effect of the user is not influenced.

The invention discloses an insect repellent cultural light box for parks, which belongs to the field of cultural propaganda equipment and mainly solves the problem that the traditional light box with a light-emitting panel device attracts many insects in the park, especially at night, which affects the propaganda effect of the light box. The solar panel is a rectangular structure, the solar panel is welded on the top of the column, the lamp holder is installed on the lower end of the solar panel, and the LED lamp is installed in the lamp holder. The tip is set, two horizontal bars are welded at the middle of the column, the middle of the two bars is connected with a light box through a rotating shaft, and an insect repellent is installed at the corresponding end of the welding place between the upper horizontal bar and the column. The installation of solar panels during the use of the invention can make full use of natural resources, save energy and protect the environment. The LED lights can be used at night, and are equipped with insect repellents, which can effectively prevent flying insects from affecting the effect of the light box at night, and the design is beautiful. The effect of cultural propaganda.

The invention belongs to the technical field of valves, and discloses a rotary control valve with high flow controllability. The rotary control valve with the high flow controllability comprises a valve body, a valve rod and a valve plate. The valve rod penetrates through the top and bottom of the valve body and is connected with the valve body at the penetrating positions through bearings. The valve body comprises a medium inlet and a medium outlet, and a rubber sealing ring matched with the valve plate is installed in the valve body and located at the medium inlet end. An arc-shaped protrusion is arranged on the surface, facing towards the medium outlet, of the valve plate, the arc-shaped protrusion is arranged close to the periphery of the valve plate, and the convex surface of the arc-shaped protrusion and the rubber sealing ring can be in contact with each other or form a gap of less than 5mm when the valve plate rotates by 0-70 degrees. By arranging the arc-shaped protrusion on the valve plate, the medium resistance is high at the contact point or the gap between the arc-shaped protrusion and the rubber sealing ring, so that flow cannot pass through the contact or the gap, thus, the flow at the medium outlet is limited, and the low opening controllability of the rotary control valve is improved effectively.

The invention belongs to the field of image forming equipment, and in particular relates to an internet of things-based paper feeding device of electro-photographic image forming equipment. In order to solve the problems that the existing device can not improve the paper feed rate, can not level the paper put into the device and can not avoid the wrinkles in the paper so as to affect the effect of image forming, can not be connected with a remote end by means of the internet of things, can not be controlled from a long distance by using the remote end, and is not convenient to use, the invention is characterized by comprising a shell; a paper placement groove is formed at one side of the shell, and a vertically arranged cover plate is welded on the inner wall of the bottom of the paper placement groove; the two sides of the cover plate are respectively welded on the inner walls of the two sides of the paper placement groove; the cover plate is positioned at an opening of the paper placement groove. The internet of things-based paper feeding device can improve the paper feed rate, can level the paper put into the device and can avoid the wrinkles in the paper so as not to affect the effect of image forming, can be connected with the remote end by means of the internet of things, can be controlled from a long distance by using the remote end, and is convenient to use and simple in structure.