737results about How to "Convenience for subsequent use" patented technology

The invention belongs to the technical field of crushing, grinding or pulverizing equipment, and discloses a cone crusher. The cone crusher comprises a machine frame and a crushing base, wherein a crushing cavity is formed in the crushing base; a mounting shaft is further arranged on the machine frame; a crushing roll is arranged on the mounting shaft; a rotating shaft and a motor are further arranged on the machine frame; the rotating shaft and the mounting shaft achieve transmission through bevel gears; a collecting box is further arranged on the machine frame; a cam is further arranged on the rotating shaft; sieve plates in inclined arrangement are connected to the side wall of the collecting box in a sliding manner; the ends, near the mounting shaft, of the sieve plates are lower thanthe other ends; the sieve plates are pressed against the mounting shaft; springs are arranged between the sieve plates and the bottom of the collecting box; a vertical material collecting through is formed in the bottom of the mounting shaft; material guiding ports communicated with the material collecting through are formed in the side wall of the mounting shaft and below the sieve plates; a discharge port is formed in the bottom of the collecting box and below the material collecting through. The cone crusher solves the problem that in the prior art, the particle size of the crushed materialis nonuniform due to falling of the material with the relatively large particle size because the distance between one side of the crushing roll and the crushing cavity becomes larger when an eccentric sleeve drives the crushing roll to do rotating and swinging motion.

The invention discloses a processing process method of a corrosion-resistant copper-zinc-aluminum alloy material. In the processing process method, a copper-zinc-brass alloy is used as a matrix, and elements such as zinc, aluminum, nickel, silicon, boron, manganese and rare earth are added to achieve the aims of high wear resistance, high corrosion resistance, high-temperature resistance and goodmachinability, thus the material requirements of the ocean development and utilization industry, the seawater desalination and heat transfer industry and other special industries can be met; and the energy is saved and the production cost is reduced. The processing process method uses the copper-zinc-brass alloy as the matrix and comprises the following steps: adding nickel, iron, lead, silicon, manganese, aluminum, zinc, boron and at least one of lanthanum and cerium or mixed rare earth elements in turn, dosing, casting, performing saw cutting, heating, performing hot rolling, milling surfaces, performing cold rough rolling, annealing, rolling to obtain a finished product, annealing the finished product, shearing, packaging and warehousing. If the product is required to be in a hard state, the annealing of the finished product is not performed; the corrosion-resistant copper-zinc-aluminum alloy material strip can be prepared, and the important steps are casting, heating and hot rolling; and the processing process is easy, the method is simple, and labor and time can be saved; and the processing process method is convenient to popularize.

The invention discloses a smart watch capable of detecting blood pressure. The smart watch comprises a watch body having a smart component. The watch body is internally provided with a control mainboard, a display component and a measurement component. The measurement component comprises a blood pressure detection chip. The lower end surface of the watch body is provided with a watchband. A plane is formed at the connecting part of the watchband and the watch body. The external side surface of the lower end of the plane is provided with a silicone gasket. The blood pressure detection chip is installed in the silicone gasket, and the signal output end of the blood pressure detection chip is connected with the control mainboard. The plane is internally provided with a watchband tightening component which is controlled by the control mainboard. The lower end surface of the silicone gasket is contacted with the human skin, and blood pressure of the human body is detected by the blood pressure detection chip and blood pressure signals are transmitted to the control mainboard. One retractable watchband is used and then flexible adjustment of the size of the watchband can be realized so that the conventional connecting buckle structure is replaced, the blood pressure detection chip is arranged in the watchband, the detection sensitivity of the blood pressure detection chip is adjusted and controlled in a tightening way and thus the detection data are enabled to be more accurate.

The invention relates to grinding and cutting integrated equipment, in particular to integrated equipment for grinding and cutting high-density polyethylene wound structure wall pipes. The integrated equipment aims at achieving the technical effect that the integrated equipment for grinding and cutting the high-density polyethylene wound structure wall pipes facilitates grinding and cutting. The integrated equipment for grinding and cutting the high-density polyethylene wound structure wall pipes comprises a first gear, a second gear, a first bearing seat, a first rotating shaft, a slide block, a third gear, a fixing plate, a clamping device, a first spring, a first thumb air cylinder and the like. A motor and a second bearing seat are fixedly connected to the lower portion of the right side of a support plate in the form of bolt connection, and the motor is located above the second bearing seat. The integrated equipment has the beneficial effects that grinding and cutting are completed on the same equipment, and the equipment is simple in structure and easy to operate; and a draught fan is arranged, so that chippings at a grinding block and a pipe opening of each high-density polyethylene wound structure wall pipe are blown away, and grinding can be conveniently conducted through the grinding block next time.

The invention discloses a bio-friendly antibacterial coating capable of effectively fixing a cationic antibacterial agent and resisting a bacterial biofilm. The coating can be formed on the surface ofa to-be-modified substrate by placing the to-be-modified substrate in impregnation liquid, and the impregnation liquid is formed by mixing protein, the cationic antibacterial agent and a reducing agent; negative charges, which are presented in an environment with an isoelectric point larger than that of natural proteins such as serum albumin, fibrinogen, alpha-lactalbumin and the like by the natural proteins, can be mutually neutralized with positive charges of the cationic antibacterial agent, thereby obtaining the coating with a surface close to electric neutrality, protein and bacterial debris adsorption can be effectively avoided, the long-term efficient antibacterial and anti-biofilm effects are maintained, and meanwhile, the defect of poor biocompatibility of the bactericidal surface of a traditional cationic antibacterial agent is overcome. The coating disclosed by the invention is simple and convenient in preparation method, biologically safe and universally applicable to thesurfaces of various medical devices, the bactericidal effect of the coating is achieved without depending on antibiotics, and bacterial drug resistance caused by improper use of antibiotics can be effectively avoided.

The invention discloses a self-power-supply device and method for a wagon. The device comprises a transmission unit, a direct-current electricity generation unit, an energy storage unit, a control unit and a voltage conversion unit. The transmission unit transmits mechanical energy coming from an axle to the direct-current electricity generation unit. The direct-current electricity generation unit converts the mechanical energy transmitted by the transmission unit into alternating-current electric energy, converts the alternating-current electric energy into direct-current electric energy, and outputs the direct-current electric energy to the energy storage unit. The energy storage unit is controlled by the control unit to conduct charging or stop charging, and outputs direct-current voltage to the voltage conversion unit. The control unit conducts charging control on the energy storage unit according to the direct-current voltage output by the energy storage unit. The voltage conversion unit converts the direct-current voltage output by the energy storage unit into direct-current voltage required for the control unit and an electronic device of the wagon. The self-power-supply device is simple in structure, high in adaptability, good in electrical performance, high in reliability, convenient to maintain and capable of converting energy of the axle of the wagon into electric energy and storing the electric energy so that the power supply requirement of the vehicle-mounted electronic device can be met.

The invention relates to a machine for automatically removing joints of a bamboo frame board and drilling holes in the bamboo frame board. The machine comprises a worktable, a lifting table, a lifting table rotation mechanism, drill rods, a drill rod transmission mechanism and a machined part transmission mechanism, wherein a machined part feeding opening is formed in one side of the worktable; an opening and closing door is formed in the other side of the worktable; a joint removing cutter is arranged in the machined part feeding opening of the worktable; the lifting table is arranged above the worktable and located between the machined part feeding opening and the opening and closing door; the lifting table transmission mechanism is arranged at the bottom of an inner cavity of the worktable; the lifting table transmission mechanism is connected with the lifting table; a plurality of uniformly-arranged drill rods are arranged on the lifting table; the drill rod is vertical and downward and directly faces a table top of the worktable; the drill rod transmission mechanism is arranged on the lifting table; the drill rod transmission mechanism is connected with the drill rods; the machined part transmission mechanism is arranged on the table top of the worktable; the machined part transmission mechanism, the machined part feeding opening and the opening and closing door are arranged on the same straight line; the machined part transmission mechanism is arranged under the drill rods. When the machine is used, the working efficiency can be improved; meanwhile, groups of holes can be conveniently formed.

The present specification provides a data processing method and device for map region merging. The method comprises the following steps of: drawing a map image of an area to be merged by using a linewith preset transparency to generate an initial merged map image; acquiring transparency of pixel points in the initial merged map image; and taking a pixel point whose transparency be the same as thepreset transparency as a target pixel point, and generating a merged target merged map image according to the target pixel point. The data processing method and device for map region merging can realize flexible merging of map regions. The method is simple and fast, does not need complex data processing, and can accurately detect the overlapping part of the boundary, so that the merging of map regions is more accurate and fast, and the merged map regions can be used as a whole for interaction, convenient for subsequent use, and wide applicability.

The invention discloses sewage treatment equipment which comprises a treatment box, a water inlet pipe and a drainage pipe, the water inlet pipe is fixed in the center of the top of the treatment box, the drainage pipe is arranged in the center of the bottom of the treatment box, and the water inlet pipe and the drainage pipe are both communicated with the treatment box. The driving rotating shaft is rotatably connected between the two corresponding sides of the inner wall of the treatment box and is close to the top, the crushing devices are fixed to the surface of the driving rotating shaft, the crushing devices are evenly distributed on the surface of the driving rotating shaft and are located at the end of the water inlet pipe, and the filter screen device is fixed to the inner wall of the treatment box and is close to the bottom; and the invention relates to the technical field of sewage treatment. According to the sewage treatment equipment, the purposes of crushing sand balls and preventing blockage are achieved, the sand balls which are bonded into balls can be crushed in time, impact on the equipment is reduced, the service life of the equipment is prolonged, meanwhile, blockage can be prevented, the filtering effect is good, and the using performance is improved.

The invention relates to an automatic interface detecting packaging machine, including a frame and a power distribution control box; a feeding slot and a detecting mechanism matched to each other are arranged on the frame; the detecting mechanism is provided with a packaging mechanism through a packaging and loading manipulator; the packaging mechanism includes a packaging base arranged on the frame; a packaging slot matched with a packaging material tape is arranged on the packaging base, and front and back sides of the packaging slot are respectively matched with an unrolling cylinder and a rolling cylinder; the rolling cylinder is connected with a rolling motor, the upper part of the packaging slot closing to one end of the rolling cylinder is provided with a film pasting device assorted with the packaging material tape inside; the film pasting device includes a film rolling cylinder and a film guide cylinder on the packaging base, and the back side of the film guide cylinder is assorted with a film pressing wheel for pressing a cover film on the packaging material tape. The roll type packaging material tape is assorted with the cover film to package the interface product; meanwhile, the detecting mechanism is matched and can realize continuous and automatic package; no damage is formed during the packaging process; meanwhile, the automatic interface detecting packaging machine is convenient to use at later period.

The invention provides a reinforcement-truss-type floor bearing plate; each of fastener hangers has a screw hole and a clamp groove, the fastener hangers are fixed to a bottom formwork through screws, the screws cooperate with the screw holes, and a truss is clamped to the clamp grooves; compared with the prior art where the bottom formwork is welded directly to the truss, the bottom formwork herein is clamped to the truss through the fastener hangers and is convenient to detach later, the bottom formwork is never damaged during detaching, and subsequent usage of the bottom formwork is facilitated. After the bottom formwork is removed, no welding points are left on the truss, and subsequent decoration of a building is benefited. A bearing post is connected to each fastener hanger and is mainly used for preventing inner threads of the screws from being damaged. Supports are connected to connection rebars and are used for supporting upper chord rebars; in actual use, the upper chord rebars deform upon stress, and the stability of a truss body during use is optimized; the supports are mainly used for improving bending strength of the upper chord rebars.

The invention provides a method and a device for automatically identifying an MAC (Media Access Control) pin and a ground pin of an audio interface and an electronic signing tool. The method comprises the following steps of: if judging that the absolute value of the voltage difference value of a first pin and a second pin is smaller than a first threshold value, not carrying out the identification operation on the first and second pins of the audio interface, or judging the types of the first and second pins of the audio interface through the plus-minus of the voltage difference value, wherein a second threshold value is larger than or equal to the first threshold value; when judging the absolute value of the voltage difference value is larger than or equal to the second threshold value and the voltage difference value is a positive value, judging the first pin is the MAC pin and the second pin is the ground pin; when judging the absolute value of the voltage difference value is larger than or equal to the second threshold value and the voltage difference value is a negative value, judging the first pin is the ground pin and the second pin is the MAC pin. According to the invention, the type of the audio interface can be judged only according to the values of the output voltages of the first and second pins so that the type of the audio interface can be automatically and accurately detected at a lower cost for facilitating later use.

The invention relates to a multi-functional drilling tool assembly used for complex formations and a drilling method thereof. The drilling tool assembly comprises a drilling assembly, a detection assembly used for detecting inside of a hole, a hole wall restoration assembly used for restoring a hole wall, a drilling tool unlocking assembly used for unlocking a drilling tool, a control host and a delivery robot. The drilling assembly is used to drill and sample rubbles. The delivery robot can be arranged on the outer wall of a drilling rod column in an upward and downward sliding manner. The detection assembly is arranged on the carrying robot and moves up and down along the outer wall of the drilling rod column alongside the delivery robot. The control host is electrically connected with the detection assembly and the delivery robot. The multi-functional drilling tool assembly has evident many advantages such as drilling and sampling efficiency, high stratum adaptability and high automation degree. The detection assembly can drill and sample in complex formations while detecting the condition of the inside of the hole, thereby offering scientific, accurate and comprehensive technical parameters and information for accurate judgment and processing of hole-drilling accidents.

The invention discloses a die-cutting machine with a waste recovering function. The die-cutting machine is sequentially provided with a feeding device, a splitting device, an adhesive mounting bracket, a film roller, a die-cutting base, a double-electric eye device, a waste coiling device and a rewinding and cutting device. A composite material rubber roller is mounted between the double-electric eye device and the waste coiling device; and a release paper feeding device is mounted behind the composite material rubber roller. With the adoption of the die-cutting machine provided by the invention, the problem that the production cost is greatly increased as the die-cutting machine in the prior art cannot recover a wasted raw material for reusing can be solved. The waste recovering function is added on basis of the former functions of the conventional die-cutting machine, so that the use ratio of the material is improved. The skip distance for the recovered material is accurately set through a sensing cam and a puncher, so that the later-stage production of the recovered material is convenient. Furthermore, the recovered material and release paper can be well adhered together after passing through a convex rubber roller and a concave rubber roller in a manner that the convex rubber roller and the concave rubber roller are embedded mutually, and the convenience for later-stage use is achieved.

The invention relates to a hot-dip galvanized steel strand manufacturing method. A device comprises a bottom plate, a stranding device and a twisting device, the stranding device is mounted on the left side of the upper end of the bottom plate, and the twisting device is arranged on the right side of the stranding device and mounted on the bottom plate. The manufacturing method can solve the problems that when existing equipment strands a steel wire rope, the steel wire rope is poor in positioning effect and inaccurate in position and easily rubs with a rotating disk during stranding, the surface quality of the steel wire rope is affected, the steel wire rope cannot be straightened, the stranding effect of the steel wire rope is affected, the steel wire rope cannot be compressed or twistedand is easily loosened, the use effect of the steel wire rope is affected and the like.

The invention discloses a folding type hand basin and relates to the field of hand basins. The invention adopts the technical scheme by aiming at the technical problems that the hand basin in the prior art is inconvenient to use, complex to mount and easy to damage, still has too large volume after being folded and cannot utilize the limited space perfectly. According to the technical scheme, the folding type hand basin comprises a water tank frame, a fixator, a supporting rod and a water tank; the water tank is arranged in the water tank frame; the water tank is made of a foldable waterproof material; the water tank frame is connected with one end of the supporting rod; the other end of the supporting rod is connected with an adjusting assembly; the fixator is connected with the water tank frame. The foldable water tank is manufactured by utilizing the foldable material reasonably and effectively, and is applied to the foldable water tank frame, so that the multiple folding function is realized, and the folding type hand basin occupies extremely little space after being folded, is particularly suitable for small-sized habitable rooms, small-room hotels, small-capsule apartments, travel motor homes, small yachts and the like with limited use space, and has a good market prospect.

The present invention provides an image processing method and device. The method comprises: obtaining an image to be processed; detecting whether there is a face image in the image to be processed or not; when there is the face image in the image to be processed, determining an area where the face image is located; determining a cutting area according to preset cutting information and the area where the face image is located; and performing cutting of the image in the cutting area, and obtaining an image after cutting. A face image according with requirements can be simply and rapidly obtained through adoption of the technical scheme.

The invention discloses a squeezing type dewatering machine, which comprises a frame. A filter cylinder with filtering holes is fixed onto the frame, a conical screw rod with a helical blade is mounted in the filter cylinder, the filter cylinder comprises a primary filter cylinder body and a secondary filter cylinder body which are connected with each other, the primary filter cylinder body is provided with a feeding port, the secondary filter cylinder body is conically contracted along the pushing direction, and a squeezing cylinder is connected to the tail end of the secondary filter body. The conical screw rod penetrates through the primary filter cylinder, the secondary filter cylinder and the squeezing cylinder, a discharging device is arranged at the tail end of the squeezing cylinder, and the conical screw rod is driven by a power device. Materials can be dewatered for three times by means of the squeezing type dewatering machine, and since the conical screw rod is conical and the secondary filter cylinder body is conically contracted along the pushing direction, the space between the conical screw rod and the secondary filter cylinder body is small, and materials can be better dewatered. The squeezing type dewatering machine is low in required centrifugal rotation speed, high in dewatering capacity, low in noise pollution and environment-friendly.

The invention discloses a multi-track collision analysis method based on a behavior track library. The multi-track collision analysis method comprises the steps of setting the target, the time and theanalysis parameters; filtering the track data of the target; aggregating the data to obtain a target activity time set; counting the equipment distance information and associating the equipment distance information with the target activity time set; counting all the target collection devices and removing the weight; filtering the track data of the target follower; aggregating the data and outputting the data to the next link; carrying out data association on the data and the track data of the target; judging and outputting the data meeting track crossing conditions; aggregating the data; judging whether the target meets various track collision target conditions or not; and outputting all multi-track collision targets meeting the conditions. According to the method, the multi-track collision targets of the target person can be accurately analyzed, and the analysis result of the multi-track collision targets in the behavior track library can be rapidly obtained.

The invention discloses a method and a device for exporting data, aiming to solve the problem that a user feels inconvenient during using the data obtained by query in the prior art under the condition that a report form derived from a system does not accord with the requirements of the user. The method for exporting the data comprises the following steps of: saving configuration information containing a file format to be used when the data are exported; and transmitting the data and the configuration information to a processing device. With the technical scheme, files can be generated according to the configuration of the user, the export of the data has better flexibility and report forms with a plurality of forms can be generated in practical application, so that the invention is convenient for the user to subsequently use the data obtained by query and improves the user experience.

The invention discloses a portable agricultural product market information acquisition device, which comprises a shell, a display screen, an input module, a data processing module, a power management module and a network optimum selection module, wherein the display screen and the input module are arranged on the shell; the data processing module, the power management module and the network optimum selection module are arranged in the shell; the shell is provided with a GPS (Global Positioning System) module and an image acquisition module; the GPS module is connected with the data processing module to position the acquisition device; and the image acquisition module is connected with the data processing module and the display screen respectively. The device has a simple structure, can realize simple and convenient input and wireless transmission of information and is convenient for information acquisition personnel to carry; a positioning module of the acquisition device is used for automatically positioning an information acquisition place, so that the use is more convenient and the data is more accurate; the data processing module realizes unified standardized processing of the acquired information so as to facilitate subsequent use of the information; due to the setting of a knowledge base, the acquisition personnel can conveniently check the standardability of the acquired data in real time; and text information and image information are acquired together, so that the information on the agricultural product market is completer and more effective.

The present invention provides a bus connector and a cabinet combination structure. The bus connector comprises an outer insulating sleeve, an inner conductive block is fixedly arranged in an inner cavity of the outer insulating sleeve, and conductive springs are arranged in a first plugging port and a second plugging port. The ends, away from the inner conductive block, of the conductive springsare electrically connected with a conductive plate, a color-changing drying agent is placed in the drying cavity, and a reset spring is connected with a first indicating rod. A connecting rope penetrates through a rope penetrating hole formed in a supporting piece, bypasses a guide wheel and then is fixedly connected to the conductive plate, a thermal expansion part is arranged on the heat absorption layer, and a second indication rod penetrates through a through hole formed in the side wall of the outer insulation sleeve. The bus connector provided by the present invention can know whether the desiccant is invalid, whether the internal elements are overheated and whether a bus connecting end is loosened or not on the premise of not opening the connector, and has the advantages of centralized functions and convenience in use. The present invention also provides a cabinet combination structure of the bus connector, and the cabinet combination structure is very worthy of popularization.

The invention discloses a sand screening device with a raw material lifting function for municipal construction. The sand screening device comprises a base, wherein a supporting plate is fixedly arranged at the top of the base through supporting legs, the supporting plate is inclined towards the right lower part, a left vertical plate and a right vertical plate are correspondingly and fixedly arranged on the left side and the right side of the top of the supporting plate, a roller is arranged between the left vertical plate and the right vertical plate, and baffles are fixedly arranged on theleft side and the right side in the roller correspondingly; and a plurality of material passing ports are uniformly formed in the circumferential direction of a joint between each baffle and the innerwall of the roller, a plurality of rectangular ports are formed in the side wall of the roller, and the rectangular ports are fixedly connected with arc-shaped screens, and a rectangular port matchedwith the roller is formed in the supporting plate. According to the sand screening device, a lifting device is arranged to drive sand to move upwards to carry out automatic feeding, so that the sandscreening device is more convenient to use; the sand is driven to move through rotation of the roller, so that sand screening is carried out, and the screening efficiency is high; and the arc-shaped screens are flapped through rotation of a rubber belt, so that the sand is prevented from blocking screen holes.

The invention discloses a traditional Chinese medicine filtering and heating device for conveniently discharging dregs. The traditional Chinese medicine filtering and heating device comprises a processing tank, an inner cylinder body is arranged at the inner side of the processing tank, the space at the outer side of the inner cylinder body is an outer chamber, the space at the inner side of the inner cylinder body is an inner chamber, gauze is arranged at the top of the inner cylinder body, a push pull rod is slidably arranged in a slide cover at the top of the processing tank, a handle is installed at the upper end of the push pull rod, the lower end of the push pull rod is connected with the gauze through a rotary body, multiple slant rods are arranged on the lower portion of the push pull rod in the circumferential direction, first stirring blades are installed at the lower ends of the slant rods, a motor is installed in the middle of the bottom of the processing tank, spiral blades are installed on the stirring shafts, multiple cross rods are arranged at the upper ends of the stirring shafts in the circumferential direction, second stirring blades are installed at the ends ofthe cross rods, and electric heating rods are further arranged among through holes and spiral blades. The traditional Chinese medicine filtering and heating device is novel in structure and reasonablein design, through stirring before filtering, the filtering efficiency is improved, through stirring after filtering, the mixing and heating uniformity is improved, the medicine dregs are fast and conveniently discharged, and the device is easy to popularize.

The invention belongs to the technical field of pipeline connection pieces, and particularly provides a water distributor and a production process thereof. The water distributor comprises a main pipe and a plurality of branch pipes correspondingly communicated with the main pipe; one end of the main pipe is a water inlet end, and an end socket is arranged at the other end of the main pipe; and the water inlet end is subjected to necking down treatment, and the inner diameter of the water inlet end is made to be shrunk by 30-40%. By means of the water distributor, the water hammer effect in the water distributor can be effectively reduced, and water flow is uniformly and stably distributed in the water distributor. The production process of the water distributor has the beneficial effects of being high in automation degree and high in production efficiency; and arc holes and arc concaves which are precisely matched can also be obtained through an arc punching machine and a punching device by means of a numerical control technology, seamless butt joint of the arc holes and the arc concaves is achieved, and the sealing performance and the attractiveness of an obtained product are improved. In the welding step, the relative positions of the main pipe and the branch pipes are fixed by means of point welding of three points, then, the main pipe and the branch pipes are completely welded and sealed through hoop welding, positioning can be facilitated by performing point welding firstly, and it is prevented that the branch pipes deflect in the hoop welding process.

The invention relates to a centrifugal micro-fluidic chip and an exosome extraction method. The centrifugal micro-fluidic chip comprises a rotation center and at least one extraction mechanism, and the extraction mechanism comprises a sample injection unit, a capture and release unit and an enrichment unit; the sample injection unit is used for inputting and storing sample liquid; the capturing and releasing unit is connected with the sample injection unit, is positioned at the downstream of the sample injection unit and is used for capturing or releasing an extraction target object in sampleliquid; and the enrichment unit is connected with the capture and release unit, is positioned at the downstream of the capture and release unit and is used for enriching the extracted target object released by the capture and release unit. By utilizing the centrifugal micro-fluidic chip, the purpose of rapidly extracting the exosome can be achieved by only adding a sample once and controlling thechip to rotate, the operation is simple and convenient, the extraction speed is high, the efficiency is high, the reagent consumption is low, and the amount of the extracted exosome is large.

The invention discloses an anti-clogging sand screening and crushing device for municipal construction. The device comprises a base, wherein a supporting plate is fixedly arranged at the top of the base through supporting legs; a left vertical plate and a right vertical plate are fixedly arranged on the left side and the right side of the top of the supporting plate respectively; a roller is arranged between the left vertical plate and the right vertical plate; baffles are fixedly arranged on the left side and the right side in the roller respectively; a plurality of rectangular openings are formed in the side wall of the roller; the rectangular openings are fixedly connected with arc-shaped screen meshes; a crushing box is fixedly arranged at the right side of the top of the base througha support; the inner side wall of the crushing box is fixedly connected with a crushing cylinder; a third reduction motor is fixedly arranged at the center of the top of the crushing box; a motor shaft at the bottom end of the third reduction motor penetrates through the top wall of the crushing box and is fixedly connected with a zigzag shaft; and the zigzag shaft is rotatably connected with a crushing roller through a bearing. According to the device, the crushing cylinder is arranged in the crushing box, the crushing roller moves along the circumferential direction of the inner wall of thecrushing cylinder to crush sand with larger particles, sand is recycled, and resources are saved.

The invention discloses a cleaning and drying integrated machine for a medical beaker. The cleaning and drying integrated machine comprises a base as well as a fixed plate and a moving plate which arevertically arranged on the left side and the right side of the top of the base; a first motor is arranged on the right side face of the fixed plate; a rotating plate is connected to an output shaft of the first motor; transverse plates are symmetrically fixed at the upper end and the lower end of the right side face of the rotating plate; a two-way screw rod is rotationally connected between thetransverse plates; screw rod sleeves matched with rod bodies are respectively arranged at the peripheries of the two rod bodies at the upper side and the lower side of the two-way screw rod in a sleeving manner; a second sliding block is connected to the left side of each screw rod sleeve; a clamping plate is connected to the right side of each screw rod sleeve; a supporting plate is fixed on theright side face of the moving plate; a liquid storage tank and an air heater are respectively arranged on the left side and the right side of the top of the supporting plate. The cleaning and drying integrated machine disclosed by the invention can effectively clean the beaker instead of manpower; a good cleaning effect is realized, and subsequent use of the beaker is facilitated; meanwhile, the beaker can be efficiently dried after the cleaning is ended, and two working procedures are integrated, so that the working efficiency is improved.

The invention discloses an automatic scrubbing trough for livestock of animal husbandry. The trough includes a base, a left supporting board and a right supporting board are fixedly arranged on the top of the base, a second rotating shaft is rotatably connected between the left supporting board and the right supporting board, a trough body is fixedly installed on the second rotating shaft, and arc-shaped groove openings are symmetrically formed in the top and bottom of the trough body; two electric push rods on the left and right sides are fixedly arranged on the top of the base, top push rodbodies of the electric push rod are fixedly connected to supports, a first rotating shaft is rotatably connected between a left mounted bearing and a right mounted bearing on the tops of the supports,a rotating roller is fixedly installed on the first rotating shaft, and the side wall, left wall and right wall of the rotating roller are uniformly covered with brush bristles; a gear motor is alsofixedly arranged on the top of the right support, and a motor shaft of the left end of the gear motor is fixedly connected to the right end of the first rotating shaft. The rotating roller rotates todrive the brush bristles to rotate to clean the inner walls of the arc-shaped groove openings in the bottom of the trough body, and the cleaning efficiency is high. A water tank is formed under the rotating roller, the brush bristles can dip in water during scrubbing, and the scrubbing effect is better.

The invention discloses an animal husbandry forage cutting and mixing device convenient to clean. The animal husbandry forage cutting and mixing device comprises a crushing box and a baseboard; a rotary rod is arranged at the right side of the baseboard, the upper end of the rotary rod is fixedly connected with a top plate, and a driving motor for driving the rotary rod to rotate is arranged at the lower end of the rotary rod; the crushing box is fixedly installed at the inner side of a left lateral plate, a feeding opening is formed in the upper side of the crushing box, and a discharging opening is formed in the lower side of the crushing box; a crank is arranged at the upper side of the rotary rod, a rotary cover is rotatably installed at the shaft journal of the crank, a connecting rodis rotatably installed at the left side of the rotary cover, a push rod is slidably installed on the inner wall of the right side of an upper cavity, the right end of the push rod is rotatably connected with the connecting rod, and a grinding plate is fixedly installed at the left end of the push rod. By means of the animal husbandry forage cutting and mixing device, the forage cutting effect isimproved, the forage cutting time is shortened, the cleanliness of the crushing box is improved, and subsequent use of the crushing box is facilitated.