68results about How to "Reduce dead angle" patented technology

The invention relates to a preparation method of antibacterial and anti-mite healthy cotton fibers based on compounding of copper-silver alloy and graphene fibers. The preparation method comprises the following steps: synthesizing Cu-Ag alloy with a pomegranate-shaped structure, preparing copper-silver core-shell double-metal nanoparticles, preparing a copper-silver double-metal core-shell nanoparticle material, performing surface modification on a copper antibacterial agent, preparing a nano anti-mite antibacterial finishing agent, preparing a graphene / carbon nanofiber composite material, and preparing the antibacterial anti-mite healthy cotton fiber. A vacuum hot pressing method and a sintering method are creatively combined, and the prepared antibacterial anti-mite healthy cotton fiber endows bedding with excellent antibacterial, anti-mite and various healthy functions and has the advantages of excellent antibacterial performance, efficient anti-mite function, improved tensile strength and the like.

The invention provides a mining anti-explosion underground road surface washing, sweeping and sucking integrated vehicle which comprises a vehicle body and a carriage assembled on the vehicle body, a water tank is arranged in the carriage, a first water outlet is formed in the front end of the water tank in the vehicle running direction, a second water outlet is formed in the other opposite end of the water tank, and the first water outlet and the second water outlet are communicated with the same collecting box. A discharge pipe is arranged at the bottom of the collecting box and connected with a water pump, and the water pump can supply water to water equipment on the vehicle; a separation part capable of rotating along a horizontal rotating shaft is arranged on the flow collecting box and divides an inner cavity of the flow collecting box into a front cavity and a rear cavity, the first water outlet and the second water outlet are respectively connected with one cavity, and the separation part can rotate due to gravity when the water tank inclines, so that the cavity communicated with the lower end in the water tank is communicated with the discharge pipe. According to the mining anti-explosion underground road surface washing, sweeping and sucking integrated vehicle, water at corners can be pumped out through the water pump no matter the vehicle runs uphill and downhill, and the utilization rate of stored water is increased.

The invention provides a safety protection method based on a vehicle, electronic equipment and the vehicle, and is applied to the technical field of vehicle intelligent control, and the method comprises the steps: carrying out the real-time detection of the surrounding environment of the vehicle above a preset safety region with the vehicle as the center through an unmanned aerial vehicle; in response to the animal detected in the preset safety area, executing a protection strategy; and in response to an animal detected outside the preset safety area, acquiring animal information, judging whether a risk exists according to the animal information, and in response to the existence of the risk, executing a protection strategy. Animals are effectively driven out from the periphery of the vehicle, and the safety of the vehicle and a user is protected.

The invention provides a tobacco leaf picking device. The tobacco leaf picking device comprises a fixing frame, a picking mechanism, crawler wheels, a bottom frame, a first conveying belt, a second conveying belt, a third conveying belt and a collecting frame. The picking mechanism picks off tobacco leaves from plants, the first conveying belt on the bottom frame conveys the tobacco leaves to the side edge, the tobacco leaves are clamped by the second conveying belt and the third conveying belt to be conveyed upwards to the top of the fixing frame, and then the tobacco leaves fall into the collecting frame. The method has the advantages of improving the harvesting quality and yield of the tobacco leaves and the like.

The utility model discloses a combined type secondary water supply and storage device, which relates to the technical field of water storage devices, and comprises a box body provided with a mounting port, a water inlet and a slag outlet, the inner wall of the box body is connected with a movable disc in a sliding manner, the outer edge of one side of the movable disc is fixedly connected with a scraper blade capable of deforming under pressure, and the scraper blade is close to the inner wall of the box body. A spring is fixedly connected to the same side of the movable disc and the scraping blade, a scraping disc slidably connected with the box body is fixedly connected to the other end of the spring, the scraping blade is slidably connected with the scraping disc, and the end, away from the scraping disc, of the box body is hemispherical; the movable disc and the scraping disc move towards the opposite inner sides of the box body, and the scraping blade abuts against and bends the inner wall of the box body and then scrapes the inner wall of the spherical part of the box body, so that sediments adhered to the spherical inner wall of the box body fall off, residues of dead corners of the inner wall of the box body are reduced, and the problem that the inner wall, opposite to the scraping plate, of the box body only makes contact with the scraping plate, and the scraping plate is damaged is solved. Dead corners exist in the box body, and the cleaning effect of the side wall of the box body is affected.

The utility model discloses a low-cost brine separation device for high-concentration brine, relates to the technical field of brine separation, and aims to solve the problems that the existing brine separation device adopts a step flowing mode to improve the uniformity in the brine evaporation process, but when the step-shaped structure flows from top to bottom, the brine is splashed to cause partial brine loss, and the brine is wasted. And the motor is adopted to drive the heating pipe to rotate, so that the energy consumption of the equipment is increased, and the cost is further increased. Comprising an outer box body, and a placing plate is arranged in the outer box body; the device further comprises a salt-water separation table which is arranged above the containing plate, a first evaporation disc, a second evaporation disc, a third evaporation disc and a fourth evaporation disc are arranged in the salt-water separation table, and the first evaporation disc, the second evaporation disc, the third evaporation disc and the fourth evaporation disc are annularly distributed at intervals and located on the same horizontal plane.

This invention relates to the field of plastic production technology, specifically to a dry cleanroom dust removal process and treatment device for conductive and antistatic alloy plastics, comprising a treatment box, a mounting plate, a rotary drive mechanism, and a lifting mechanism. The mounting plate is disposed within the treatment box and is equipped with a filter cartridge for filtering dust from gas. The surface of the filter cartridge is provided with scrapers for cleaning the cartridge. The rotary drive mechanism drives the scrapers to rotate, scraping away impurities adhering to the filter cartridge surface. The lifting mechanism drives the scrapers to move up and down along the filter cartridge axis during rotation. This invention achieves the function of cleaning impurities adhering to the filter cartridge surface using the movement of the scrapers, thus maintaining stable filter cartridge filtration efficiency during long-term treatment. It solves the technical problem that traditional treatment devices, relying solely on backflushing for cleaning, cannot effectively handle stubborn adhering impurities and affect filtration continuity.

The utility model discloses a cup brush, which belongs to the field of cleaning articles and comprises a connecting rod. The handle and the first brush head are respectively positioned at two ends of the connecting rod; the second brush head comprises a sleeve, a first cleaning head and a second cleaning head; the sleeve is arranged on the connecting rod; the first cleaning head and the second cleaning head are connected to the sleeve and arranged in a spaced mode, so that the cup edge of a cup to be cleaned is located between the first cleaning head and the second cleaning head. According to the cup brush, the inner wall and the cup opening of a cup are cleaned through the first brush head and the second brush head respectively, in the cleaning process, the cup edge of the cup is clamped between the first cleaning head and the second cleaning head of the second brush head, and the inner wall and the outer wall of the cup opening can be cleaned by rotating the cup brush. And the cup can be cleaned more thoroughly and conveniently.

The utility model belongs to the technical field of carbon dioxide absorbent tanks, and discloses a heat preservation carbon dioxide absorbent tank for deep diving, which comprises a heat preservation tank upper end cover, a heat preservation tank body is arranged below the heat preservation tank upper end cover, and a medicament tank body is arranged in the heat preservation tank body. A medicament tank upper filter screen is installed above the medicament tank body, a medicament tank lower filter screen is installed below the medicament tank body, a connecting rod support is installed in the medicament tank body, a connecting rod body is fixed to the connecting rod support, and a medicament tank filter screen base is arranged at the bottom end of the medicament tank lower filter screen. When the medicament tank is used, the medicament tank is of an axial flow type structure, so that gas can uniformly pass through medicaments, the medicament contact area is increased, the air flow dead angle is reduced, and the medicament use efficiency is improved.

The invention discloses a treatment method for removing benzene series in petrochemical industrial waste gas, and belongs to the technical field of waste gas treatment. According to the treatment method for removing benzene series in petrochemical industrial waste gas, a base with a cavity is included, a partition plate is arranged on the inner wall of a working barrel, the partition plate is divided into an upper cavity and a lower cavity, and an adsorption mechanism is arranged in the lower cavity; the adjusting disc is arranged in the upper cavity in a lifting mode, a reciprocating motion mechanism is arranged on the adjusting disc, an exhaust pipe is fixedly connected to the bottom in the purification barrel and communicates with the working barrel, an exhaust hole is formed in the exhaust pipe, and the exhaust hole faces the two-way hybrid mechanism; according to the invention, the uniform spraying effect of the spraying plate in the whole working barrel can be realized, the absorbent can be ensured to cover each area, the dead angle is reduced, the absorption efficiency is improved, the contact opportunity of benzene waste gas and the absorbent can be greatly enhanced through multi-direction spraying, the reaction time is prolonged, and benzene is fully dissolved in the absorbent.

The utility model provides a vehicle-mounted glass detection platform deck, which comprises a transverse moving mechanism, a detection mechanism and a detection mechanism, the transverse moving mechanism comprises a first module and a sliding table, and the other side of the sliding table is provided with a second module; the turnover mechanism comprises a sliding plate, a turnover plate and at least one connecting rod, the sliding plate is connected to the second module and moves along the second module, one end of the at least one connecting rod is connected to the sliding plate and rotates around a first rotating center line, and the other end of the at least one connecting rod is connected to the turnover plate and rotates around a second rotating center line; one end of the overturning plate is connected to the sliding table and rotates around a third rotating center line; and the bearing mechanism is connected to the turnover plate. According to the glass element detection device, glass elements borne on the glass element detection device can be transported to the optimal detection position and the detection visual angle, the purpose of high-precision overturning of the bearing mechanism can be achieved through one power source, and compared with a traditional detection mode, the glass element detection device is flexible to use and large in observation angle, the dead angle during manual detection is greatly reduced, and the detection efficiency is improved. And the product detection effect and efficiency are fundamentally improved.

The invention discloses a reaction kettle high-temperature cleaning device for essence extraction, and relates to the technical field of reaction kettle cleaning devices.The reaction kettle high-temperature cleaning device comprises a kettle body, a flat cover is arranged at the top of the kettle body, a discharging pipe is fixedly installed at the bottom of the kettle body, a rotary cleaning nozzle is arranged at the top of the flat cover, and a fixing frame fixedly penetrates through the top of the flat cover; a driving motor fixedly penetrates through the top of the fixing frame, a rotating rod is fixedly mounted at the output end of the driving motor, a rectangular plate is fixedly mounted on the circumferential surface of the rotating rod, a moving groove is formed in the circumferential surface of the rotating rod, and the kettle body and the flat cover are fixedly connected through bolts and nuts. The position of the holding rod is quickly changed through simple and convenient operation, so that the cleaning plate and the kettle body are kept in stable contact, the stable proceeding of cleaning work is ensured, the cleaning plate can flexibly move, and the applicability of the cleaning plate is improved.

The invention discloses a production process for extracting dihydroquercetin by ultrasonic waves, which comprises the following steps: step 1, freezing: taking larch as a raw material, crushing the larch into 30-50 meshes, performing freezing and ice crystallization in an environment of-8 DEG C to-20 DEG C, and then dispersing the larch in an aqueous solution of 0-4 DEG C to obtain a feed liquid; 2, wall breaking: mechanically grinding the obtained feed liquid, uniformly mixing, and then carrying out instant ultrahigh pressure wall breaking by using a high-pressure homogenizer, so as to obtain a cell wall breaking material; according to the method, raw materials are soaked with 98% ethyl alcohol and then stirred at a high speed, plant cells of larch become soft and thin, and cell walls of larch generate stronger collapse and maximum rupture in a frequency conversion and cosine combined ultrasonic extraction mode, so that the yield of larch is increased, and the yield of larch is increased. The method ensures that the dihydroquercetin can be rapidly fused into an ethanol solution from plant cells, the yield of dihydroquercetin extraction is improved to the maximum extent, and the extraction rate of dihydroquercetin is 90% or above.

The utility model belongs to the technical field of gas purification, and particularly relates to a gas purification device for removing dust and tar in a biomass gasifier, which comprises a box body filled with water, a partition plate vertically arranged in the box body and a stirring motor arranged at the bottom of the box body, a gas inlet and a gas outlet are respectively formed in the upper part of the side wall of the inner wall of the box body and are separated by a partition plate, and a tar discharge port is formed in the bottom of the box body; a pressure release valve is arranged at the top of the box body, the inner wall of the box body is cylindrical, and the top end, the left side and the right side of the partition plate are in sealed connection with the top and the inner wall of the box body respectively. According to the utility model, the purification effect of fuel gas can be obviously improved, and compared with the existing square purifier, the structure is easier to manufacture, the dead angles are fewer, and the condition that tar is difficult to clean due to adhesion after being condensed is not easy to cause.

The utility model discloses an automatic inspection device for petrochemical pipe management, which comprises a mounting table, and a base is fixedly arranged at the lower end of the mounting table; the rotating table is arranged on one side of the upper end of the mounting table, a first mounting lug plate is fixedly arranged at the upper end of the rotating table, a first rotating rod is arranged in the first mounting lug plate and rotationally connected with the first mounting lug plate, and a connecting rod is fixedly arranged outside the first rotating rod; a hydraulic telescopic device is fixedly arranged on one side of the connecting rod; the second mounting lug plate is arranged on one side of the telescopic end of the hydraulic telescopic device, a second rotating rod is arranged in the second mounting lug plate, a mounting rod is fixedly arranged outside the second rotating rod, and the structure solves the problems that the monitoring range of the inspection device is difficult to adjust and the inspection device is not flexible enough to move.

This invention discloses a calcining furnace for desulfurized gypsum, comprising a calcination zone, a uniform air distribution plate, an air inlet pipe, a first uniform air distribution zone, and a second uniform air distribution zone. Both the calcination zone and the uniform air distribution plate have rectangular cross-sections. The first uniform air distribution zone includes a first uniform air distribution hood positioned below the uniform air distribution plate, with a first uniform air distribution cone at its center. The second uniform air distribution zone includes a second uniform air distribution hood positioned below the first uniform air distribution hood, with a second uniform air distribution cone at its center. High-speed airflow ejected through the air inlet pipe enters the first and second uniform air distribution zones respectively, and then flows towards the uniform air distribution plate. Compared to using a single uniform air distribution zone to form a rectangular cross-section airflow, using two uniform air distribution zones allows for adjustment of the area of ​​the circular cross-section and the four concave triangular cross-sections, thereby adjusting the airflow flow in both zones to ensure that the airflow flow is essentially the same, resulting in uniform airflow and reducing dead zones in the calcination zone.

A kind of turnover blow mechanism suitable for IGBT module, including protective cover, rotating mechanism, clamping mechanism, material taking and placing manipulator, blow head and turnover cover plate mechanism, the opening is set in the upper and lower ends of protective cover;Rotating mechanism includes rotating platform, rotating platform is set in the inside of protective cover, rotating platform is fixed with connecting frame;Clamping mechanism is set on connecting frame, material taking and placing manipulator is set above protective cover;Blow head is set below protective cover;Turnover cover plate mechanism includes cylinder, cylinder output end is connected with cover plate rotation, cylinder other end is connected with support frame rotation, support frame is fixed on the outside of protective cover, connecting shaft is connected with the top of support frame rotation, connecting shaft is fixedly connected with cover plate;Cover plate can be closed protective cover top by cylinder driving cover plate along connecting shaft rotation, rotating mechanism can guarantee product x axis 360 ° blow, reduce the dead angle of plane blow, adjust rotating speed, direction, and the high adjustability of residence time.

The utility model discloses a dust-free writing board which comprises two limiting sliding plates, a writing frame is connected between the two limiting sliding plates in a sliding mode, a writing board body is fixedly connected to the inner wall of the writing frame, and a damping sliding plate is connected to the inner wall of the writing frame in a sliding mode. When a user needs to measure, the damping sliding plate can be moved to be arranged below a measured object, the connecting plate is moved, the connecting plate drives the scale plate to move, the user can rotate the scale plate to measure and can be matched with the bevel protractor to measure an angle, and when the user needs to write, the user can use a water-based mark pen to write on the writing board. The writing board is made of polyester fibers, ink of the water-based mark pen is oily or water-based and directly flows out of the pen point and is displayed on the writing board, and therefore when the water-based mark pen is used for writing on the writing board, no dust is left, and the dust-free writing effect is achieved.

The invention discloses a grinding and trimming machine tool and a trimming method for a sealing ring, and relates to the field of grinding equipment.The grinding and trimming machine tool comprises a grinding table, a grinding wheel capable of rotating is arranged on the grinding table, a vacuum adsorption assembly is arranged on the grinding table, and the vacuum adsorption assembly comprises two vacuum adsorption units, a negative pressure unit and an overturning unit; the vacuum adsorption unit comprises an adsorption disc, the adsorption disc can rotate, and a plurality of adsorption holes are formed in the adsorption disc. A workpiece is adsorbed to the adsorption discs, so that the workpiece is more stable and not prone to shaking in the grinding process, after the upper surface of the workpiece is ground, the two adsorption discs are overturned, the workpiece is driven to be overturned, and the other face of the workpiece is ground, the workpiece grinding effect is better, the operation of manually overturning the workpiece is omitted, the grinding efficiency is improved, and time and labor are saved; and the two adsorption discs are close to each other to press the workpiece, so that the workpiece is prevented from falling off in the overturning process, and the stability is improved.

The invention relates to the technical field of ecological restoration irrigation, and discloses ecological restoration irrigation equipment convenient to adjust, the ecological restoration irrigation equipment comprises a mounting plate, a mixing and stirring mechanism and an irrigation mechanism are arranged on the mounting plate, the mixing and stirring mechanism comprises a mixing cylinder and a first stirring assembly and a second stirring assembly in the mixing cylinder, and the stirring directions of the first stirring assembly and the second stirring assembly are opposite; the irrigation mechanism comprises an irrigation assembly and a supporting and adjusting assembly, the irrigation assembly comprises a sprinkling irrigation head and a connecting pipe, the connecting pipe communicates the mixing barrel with the sprinkling irrigation head, the supporting and adjusting assembly comprises a threaded rod rotationally connected to the mounting plate, the threaded rod is in threaded connection with a sliding part, and the sliding part is provided with a connecting structure connected with the connecting pipe; a filtering mechanism is further arranged on the mixing barrel and comprises a U-shaped flow guide plate, the flow guide plate inclines downwards towards the mixing barrel, one end of the flow guide plate extends into the mixing barrel, and a filtering piece is detachably installed at the end, close to the mixing barrel, of the flow guide plate. According to the scheme, precise irrigation can be carried out in the aspect of meeting different plant requirements, and the efficiency and quality of ecological restoration are improved.

The invention relates to the technical field of storage devices, and discloses an ultraviolet disinfection device for medical instruments, which comprises a box body, a disinfection device is arranged on the inner wall of the box body, a drying device is arranged on the inner wall of the box body, and a compaction device is arranged on the inner wall of the box body; the inner wall of the box body is fixedly connected with a storage box; the disinfection device comprises an L-shaped plate, an elastic piece, an ejector rod, a connecting plate, a supporting rod, a supporting plate, a fixing plate, an ultraviolet lamp and a limiting rod, the L-shaped plate makes contact with the box body, the elastic piece is fixedly connected to the bottom of the L-shaped plate, the ejector rod is fixedly connected to the top of the L-shaped plate, the connecting plate is fixedly connected to the circumferential surface of the ejector rod, and the supporting plate is fixedly connected to the bottom of the L-shaped plate. The supporting rod is fixedly connected to the top of the connecting plate, when the ultraviolet lamp irradiates at a fixed position, some areas cannot be fully exposed to ultraviolet rays, and all surfaces can be ensured to be uniformly irradiated by the ultraviolet rays by moving the lamp up and down.

The invention provides a magnetic separator and a control method thereof. The magnetic separator comprises a magnetic conductive shell, coils and a plurality of coil boxes stacked in the magnetic conductive shell in the height direction, a vertically-through material pipeline is arranged in the middle of the magnetic conductive shell, each coil box is internally provided with one coil, the upper surface and the lower surface of each coil are each provided with a plurality of partition strips, and the partition strips are arranged in the middle of the magnetic conductive shell. A first channel filled with insulating oil is arranged among the plurality of division bars, one end of the coil box is provided with an oil inlet, the other end of the coil box is provided with an oil outlet, and the oil inlet, the first channel and the oil outlet are communicated; and a magnetic gathering roller is arranged in the material pipeline. A plurality of independent coil boxes are designed in the magnetic separator, and each excitation coil is independently placed in one coil box, so that the coils are ensured to be in an independent and clean working environment, the pollution of the outside to the coils is reduced, the stability of a magnetic field of the magnetic separator is ensured, the service life of the coils is prolonged, and the operation stability of the magnetic separator is improved.

The present invention provides a book sheet deinking and regeneration device and a process thereof, which relate to the technical field of deinking equipment, and include: an installation component; the installation component includes a main body and a discharge port, the main body is a cylindrical structure, when in use, a stirring rod is driven by a motor to rotate inside the main body, and stirs the inside, while the stirring rod rotates, a rotating part is driven to rotate together through a connecting rod, and during the rotation of the rotating part, the rotating part is guided by a guide block, and floats up and down while rotating, so that the pulp in the main body can be aerated in a surrounding manner, effectively reducing the dead angle of the aeration position, and improving the aeration effect, solving the problem that the aeration structure of the existing deinking device is usually fixed inside the device, and when the aeration structure aerates the pulp, the bubbles generated rise straight up, which easily leads to certain dead angles, thereby causing the aeration effect to be less than ideal.

The utility model relates to the scanner field, and specifically discloses a large area scanner comprising a pedestal, a column, a cantilever, a mounting support, a camera and a light supplement lamp, the pedestal, the cantilever, the mounting support and the camera are connected in sequence, the mounting support adopts a rectangular frame and surrounds the camera, the light supplement lamp is based on the mounting support, the irradiation direction is downward, and the light supplement lamp is connected with the column. A large number of cameras are arranged. The mounting bracket is annular and provides more positions for mounting the light supplementing lamps, so that the periphery of the base can be uniformly irradiated, the dead angles of the material tray are comprehensively reduced, and the success rate of image recognition is favorably improved.

The utility model provides high-tearing-performance butyl inner tube processing equipment, and relates to the technical field of inner tube processing, the high-tearing-performance butyl inner tube processing equipment comprises a detection platform for placing an inner tube, and further comprises a rotary clamping mechanism; the rotary clamping mechanism comprises a rotary disc piece rotationally arranged on the detection platform, a driving piece is arranged on the rotary disc piece, pushing pieces are installed on the outer side of the driving piece at equal angles, and rolling clamping parts are connected to the outer ends of the pushing pieces; and under the driving of the driving piece, the pushing piece can outwards push the rolling clamping part to clamp and fix the inner wall of the inner tube. According to the invention, the clamping position of the inner tube becomes flexible, detection of four corners caused by shielding of a clamping area is reduced, and the detection effect of the inner tube is better.

The invention relates to the technical field of ship designing and manufacturing, and discloses a hinged type conical mud door and a mud door wedge opening device of a trailing suction dredger, the hinged type conical mud door comprises a conical mud door, a transmission device and the mud door wedge opening device, the transmission device is arranged on a mud cabin cross beam and is close to a mud cabin inner surrounding wall plate, and the mud door wedge opening device is arranged on a mud cabin ship bottom plate and is close to a mud cabin inner surrounding wall plate. An opening is formed in the hopper door wedge opening device, the conical hopper door is arranged in the opening of the hopper door wedge opening device, the side, away from the inner enclosure bulkhead plate of the hopper, of the conical hopper door is hinged to the hopper door wedge opening device, and the transmission device is connected with the side, close to the inner enclosure bulkhead plate of the hopper, of the conical hopper door. According to the hinged type conical mud door and the mud door wedge opening device, due to the arrangement of the mud door hinges, the main chain can be arranged closer to the root of the mud cabin cross beam, the hydraulic oil cylinder is closer to the broadside of a dredger body, the size of the mud cabin cross beam is optimized, the loading space of a mud cabin is increased, and the loading and unloading efficiency of a dredger is improved.

The utility model discloses a medical waste turnover box, which relates to the technical field of environmental protection and comprises a box body and a box cover, the top of the box body extends upwards along the height direction to be provided with a thickened enclosure, and one side of the top of the thickened enclosure is provided with an annular buckle hinged with the box cover. A transverse strip-shaped reinforcing structure is arranged on the inner side of the cover face of the box cover in the gradient direction of opening of the box cover around the annular buckle, a liquid leakage groove is formed in the side, away from the annular buckle, of the cover face of the box cover, triangular slopes are arranged at the corresponding corners of the bottom of the inner wall of the box body, and longitudinal strip-shaped reinforcing structures are arranged on the periphery of the outer side of the box wall of the box body in the height direction of the wall face. A grid reinforcing structure is arranged on the outer side of a bottom plate of the box body, a circle of water outlets are formed in the periphery of the grid reinforcing structure, grid plates of the grid reinforcing structure are distributed in the direction corresponding to the water outlets, and circulation channels are formed between the grid plates. According to the utility model, the appearance design of the turnover box considers cleaning and disinfection of dead angles, the dead angle design of the turnover box is reduced, and the convenience of cleaning and disinfection of the turnover box is improved.

The present invention relates to a discharge valve, comprising a valve body, a main shaft rotor for discharging and a cleaning rotor for cleaning the main shaft rotor, a driving device, a transmission mechanism and an air-sealing structure; the main shaft rotor is connected to the driving device and the transmission mechanism through a driving main shaft, the cleaning rotor is connected to the transmission mechanism through a driven shaft, the driving device drives the main shaft rotor to rotate and makes the cleaning rotor and the main shaft rotor rotate synchronously through the transmission mechanism; the air-sealing structure comprises a first and a second air-sealing structure respectively arranged at the connection between the driving main shaft, the driven shaft and the valve body, the two air-sealing structures adopt the same structure, the first sealing structure comprises a pair of sealing rings sleeved on the driving main shaft, a sealing cavity formed by a pair of sealing rings and a ventilation duct opened on the valve body and connected to the sealing cavity. The present invention can realize completely closed discharge, effectively block the contact between the material and the pollutants and the sealing ring, and reduce the possibility of polluting the material during the discharge process.

The utility model relates to sewage lifting equipment technical field, concretely relates to a sewage lifting tank body anti deposition structure with self -cleaning function, including the box, set up in the water pump of box, and the water suction pipeline that connects with the water inlet of water pump, and set up in the electric control assembly for control outside box, still including set up in the injection turbulence subassembly of box, bottom cleaning subassembly, the injection turbulence subassembly includes the backflow injection pipe that communicates with the water outlet of water pump, backflow injection pipe is located the inside of box and is equipped with the injection port towards the bottom deposition area of box, bottom cleaning subassembly includes the drive mechanism that sets up in the bottom of box and is driven to scrape and sweep movement by the scraper, the junction of the bottom surface of box and lateral wall is equipped with arc chamfer or inclined plane chamfer, the utility model discloses through the structure optimization and intelligent control, has realized the active removal and automatic cleaning of sewage lifting tank body bottom deposit, is applicable to all kinds of low-lying area sewage lifting scene.

The utility model discloses a kind of sample preparation equipment for food inspection, it is related to food inspection sample preparation technical field, including machine table, two drive units are fixedly installed in machine table, cleaning unit is fixedly installed in the side of machine table, the output end of two drive units is respectively installed with feeding table and rotating table, fixedly arranged with clamping unit on feeding table, fixedly arranged with sample preparation crushing unit on rotating table;Sample preparation crushing unit includes support, shaft sleeve, distance measuring sensor.Affinity effect lies in that the position of cutter head in material box is adjusted by lifting mechanism, square shaft, so that cutter head better carries out processing and crushing, reduces the existence of dead angle, the sample in material box is vibrated by ultrasonic vibration mechanism, when inclined blade rotates, downward vortex is generated, so that sample moves towards cutter head during processing, reduces the adhesion of sample on inner wall of material box, facilitate cutter head better processing sample, ensure the efficiency and quality of sample processing.