313results about How to "Easy to rule out" patented technology

The invention relates to a robot driving device, comprising a planar intraframe driving device and a mechanical arm driving device, wherein the planar intraframe driving device comprises an up-down lifting driving device and a left-right horizontal driving device. The left-right horizontal driving device drives a spraying robot to horizontally move right and left with a linear module sliding block by virtue of a servo motor, the up-down lifting driving device drives the left-right horizontal driving device to do lifting motion up and down with a ball screw by virtue of the servo motor; the mechanical arm driving device comprises an intermediate rotating driving mechanism, a telescopic driving mechanism and a swinging driving mechanism at the front end, the intermediate rotating driving mechanism drives a mechanical arm to rotate by virtue of the servo motor; the telescopic driving mechanism drives the mechanical arm to do telescopic motion by virtue of the servo motor; and the swinging driving mechanism at the front end drives a spray gun to swing and rotate around by virtue of the servo motor and a reducer.

The invention relates to a travel driving device for a robot, which comprises a planar frame inner driving device. The planar frame inner driving device comprises a lifting driving device and a left-right horizontal driving device, the left-right horizontal driving device drives a linear module slider to horizontally move left and right through a servo motor, a manipulator of the spraying robot horizontally moves left and right along with the linear module slider, the lifting driving device drives a ball screw to rotate through a servo motor, and the ball screw drives a ball nut slider seat to lift, so that the left-right horizontal driving device is driven to vertically lift. By implementing the composite travel driving device for the intelligent spraying robot, the problems of complicated structure, inconvenience in installation and maintenance, cumbersome control and the like of a parallel transmission robot and a series transmission robot can be solved.

The invention discloses a system for recognizing rolling guide rail joint surface dynamic characteristic parameters and a control method. The system has a double-guide rail connecting plate symmetric structure; a normal compression device and a tangential compression device are prevented from rigid contact, so that the recognition of normal and tangential dynamic parameters in different pre-compression states is realized; a base consists of an experimental bench and a replaceable adjusting block corresponding to a corresponding rolling guide rail set; the experimental bench is provided with an O-shaped groove or symmetric notch structure; the replaceable adjusting blocks with different specifications are connected with the experimental bench at the same mounting position; each group of replaceable adjusting blocks are symmetrically arranged on the experimental bench, and one side of each of the replaceable adjusting blocks is pressed against a notch machining side face on the experimental bench to ensure parallelism of the replaceable adjusting blocks and position the replaceable adjusting blocks; a multi-guide rail, multi-connecting plate and single degree-of-freedom system design is realized on one experimental bench in different pre-compression states, so that the normal and tangential joint surface parameters are recognized; and the influence on an experimental device is eliminated. The reliable control method and a data processing system ensure that the experimental system is more perfect.

The invention relates to a method for preparing epoxy resin composite, in particular to a method for preparing graphene/epoxy resin composite. The method aims to solve the problems that existing epoxy resin is high in brittleness, poor in impact resistance and prone to cracking. The method comprises the steps that first, graphene is prepared through a chemical oxidation method, second, the graphene is dispersed in epoxy resin, and third, the graphene and the epoxy resin are compounded. The method has the advantages that the preparation method is simple, ethyl alcohol is adopted as solvent, organic solvent is avoided, better environment friendliness is achieved, and the ethyl alcohol is volatile and is easy to eliminate, and has no influence on preparation of the graphene/epoxy resin composite; compared with pure epoxy resin, tensile strength of the graphene/epoxy resin composite is improved by 34.9%-124.8%, impact strength of the graphene/epoxy resin composite is improved by 15.4%-105.1%, and glass-transition temperature is improved by 5-19 DEG C.

The invention relates to the technical field of building sealants, and in particular to single/double-component construction type polyurethane joint pouring glue for a ballastless track concrete expansion joint and a preparation method thereof. The single/double-component construction type polyurethane joint pouring glue for the ballastless track concrete expansion joint is prepared from a main agent and an accessory ingredient, wherein the main agent is prepared from a polyurethane prepolymer, filler, a thickening agent, a diluent, a catalyst, a cementation accelerator, a defoaming agent, a light stabilizer, an antioxidant and a water removing agent; the polyurethane prepolymer is prepared from polypropylene oxide glycol, polypropylene triol, polyisocyanate, a plasticizer and the catalyst; the accessory ingredient is prepared from the plasticizer, a thickening agent and micromolecular polyol. The preparation method comprises the following steps: step one, preparation of the polyurethane prepolymer; step two, preparation of the main agent; step three, preparation of the accessory ingredient. After the single/double-component construction type polyurethane joint pouring glue disclosed by the invention is cured, the tensile modulus is low, the anti-displacement capacity is strong, and low-temperature flexibility is good.

The invention discloses a forming method for a nano particle reinforced aluminum-based composite material and belongs to the field of metal casting forming. Nano ceramic powder and micro size aluminumpowder or aluminum alloy powder are prepared into mixed powder with the nano ceramic particle content being 3-10%, the mixed powder is mechanically mixed into composite powder in a seal tank under argon protection, and the composite powder is hot-pressed into prefabricated blocks with the quality being about 150-200 g. The prefabricated blocks are melted after reaching about 750 DEG C, then mechanical stirring is conducted, and then high-energy supersonic vibration is conducted. Through ultra-low-speed laminar flow pressure casting, a composite material melt is pressed into a mold cavity of amold, mold opening is conducted for piece taking-out, and a nano ceramic particle reinforced aluminum-based composite material part with the mass fraction being 3-10% is obtained. According to the forming method for the nano particle reinforced aluminum-based composite material, the forming technique is simple and easy to achieve, the effect is good, and the problems that in casting, a ceramic particle reinforced aluminum-based composite material with the high mass fraction is large in viscosity and poor in liquidity, and ceramic particles are easy gathered are solved.

The invention relates to a spraying robot mechanical arm driving device, comprising an intermediate rotating driving mechanism, a telescopic driving mechanism and a swinging driving mechanism at the front end, wherein the rotating driving mechanism drives a mechanical arm to rotate by virtue of a servo motor; the telescopic driving mechanism drives a lead screw to rotate by virtue of the servo motor, a ball spline shaft converts rotation motion of a ball lead screw nut into telescopic motion of the mechanical arm; and the swinging driving mechanism at the front end is connected with the front end of a telescopic shaft of the telescopic driving mechanism by virtue of a tensioning sleeve, and the swinging driving mechanism at the front end drives a swinging and rotating shaft to rotate by virtue of the servo motor and a reducer, thus a spray gun is driven to swing.

A device and method for extracting micro-plastic in settlings are provided. The device includes a filter drum, a liquid storage tank, a motor, a pedestal, a screen sieve and a transmission shaft. The filter drum is mounted in the liquid storage tank. The upper port of the filter drum is provided with the screen sieve. The liquid storage tank and the motor are mounted on the pedestal. The bottom of the liquid storage tank is provided with a drainage hole communicated with the filter drum. The motor is connected to one end of the transmission shaft through a rotating shaft, and the other end of the transmission shaft passes through the drainage hole and is connected to the bottom of the filter drum. The device and the method are advantageous in that (1) dispersion effects of muddy settlings and elution effects of a sample are obviously improved; (2) the recovery rate of the sample is increased, (3) the extraction efficiency is greatly increased, (4) extraction time is shortened and (5) labor is saved.

The invention discloses a testing device and method for the dynamic characteristic of a sliding combination surface. The testing device comprises an operation device and a data collecting, analyzing and processing system of an experiment device, wherein the operation device is characterized in that a single motor drives a bridge plate and a vibration exciter bracket to synchronously move; in the moving process, a vibration excitation test is carried out; the operation device comprises a substrate, a bridge plate guide rail pair, the synchronous moving device of the vibration exciter, a normal pressurization device, a tangential pressurization device and a driving actuation device; the data collecting, analyzing and processing system of the experiment device comprises a signal acquisition module, a signal path module and a signal analyzing and processing module. The vibration excitation experiment can be realized in the moving process. Motor speed is adjustable; the applied pressure can change within the required range to identify joint surface parameters under different pressure states; and a tangential guide block is a replaceable piece, and the characteristic parameters of a joint part under different materials of steel and cast iron and various surface roughness degrees can be tested. Powerful guarantee is provided for the identification precision of the joint surface experiment can be provided by the high-speed and high-efficiency data collecting, analyzing and processing system.

The invention provides a polymeric chemical blocking remover which is prepared from the following raw materials in parts by mass: 1.5-5 parts of a solid oxidizing agent, 0.5-2.5 parts of a catalyst, 0-1 part of a strippant, 0-1 part of a penetrating agent, 0-1 part of a ferric ion stabilizer and 2-5 parts of a corrosion inhibitor, wherein the solid oxidizing agent is urea peroxide; the catalyst is formic acid, acetic acid, citric acid, hydrochloric acid, oxalic acid, sulfamic acid and various substituents, Na2CO3, NaOH, sodium sulfite, sodium hydrogen sulfite, formaldehyde or thiourea; the strippant is urea, PEG-400 or ethanol amine; the penetrating agent is a nonionic surfactant; the nonionic surfactant is fatty alcohol-polyoxyethylene ether; the ferric ion stabilizer is citric acid, acetic acid, nitrilotriacetic acid or ethylene diamine tetra acetic acid; and the corrosion inhibitor is formaldehyde, acetaldehyde, benzaldehyde, butanedial or glutaraldehyde.

The invention discloses a multichannel online eliminating conveying belt. The multichannel online eliminating conveying belt comprises a rack (1), an adjustable guide block (2), a chute guide rail (3), a curved chute guide rail (4), a product output adjustment block (5), a plurality of transmission scrapers (6) and a driving mechanism, wherein the adjustable guide block (2) is used for products from a plurality of lines of packers to enter, and the driving mechanism is used for driving the transmission scrapers (6); an eliminating device is arranged below the chute guide rail (3), and the products are driven by the plurality of transmission scrapers (6) along first chutes (2.1), fifth chutes (17.1), second chutes (3.1) and third chutes (4.1) and are discharged from fourth chutes (5.1) in parallel. The multichannel online eliminating conveying belt is automatic equipment and has the advantage of high weight precision, multichannel products can be simultaneously weighed on the same conveying belt, and the products of which the weight is unqualified are completely eliminated.

The invention relates to the field of glass production, and discloses a composition for glass, chemical tempered glass as well as a preparation method and application thereof. The composition is prepared from 42 to 64 weight percent of SiO2, 15 to 28 weight percent of Al2O3, 1 to 15 weight percent of B2O3 and P2O5, 4 to 15 weight percent of Na2O, 0 to 8 weight percent of Li2O, 0 to 6 weight percent of K2O, 0.5 to 9 weight percent of MgO and TiO2, 0.1 to 4 weight percent of ZnO, 0.1 to 4 weight percent of Y2O3, La2O3 and Nd2O3. The composition satisfies the following conditions: (1) the temperature T100 corresponding to the viscosity of 100 is 1700 DEG C or higher; and (2) the surface tension at 1300 DEG C is smaller than 420N/m. The composition for the glass of the invention and glass prepared by the preparation method of the invention have the advantages of low content of impurities, simple preparation process, low cost and the like.

The invention relates to nano-silver composite collagen surgical dressing and a preparation method of the nano-silver composite collagen surgical dressing. The preparation method comprises the following steps: uniformly mixing a dialdehyde polysaccharide solution and silver nitrate solution, completely boiling the mixed solution, carrying out reflux condensation, after the mixed solution is cooled to the room temperature, carrying out dialysis and centrifugalizing, taking the supernate, thus obtaining nano-silver solution, soaking collagen sponge in the nano-silver solution, and carrying out freeze drying, thus obtaining the nano-silver composite collagen surgical dressing. The stable nano-silver solution with narrow particle size distribution range is prepared by adopting a pollution-free reduction method, in addition, dialdehyde polysaccharide in the solution can have Schiff base chemical crosslinking reaction with collagen, and thus the physical properties of the collagen sponge are enhanced. The prepared nano-silver composite collagen surgical dressing has the advantages of broad-spectrum antibacterial activity, rapid bleeding-stopping property, high mechanical property, good moisture retention and biocompatibility, and has the potential market application prospect in the field of treating burns and scalds.

The present invention provides a high-speed treatment apparatus for organic waste that easily discharges domestic organic waste during the cleaning of the apparatus and water seeping out of the same during a long period of operation stop and safely blocks the inflow of a microorganism controlling agent and sludge to its double jackets. The organic waste treatment apparatus comprises a cylindrical reactor 10 having a feeding port on its upper part, a rotational axis 20 of a stirrer equipped with stirring blades 21, a first driving motor 30 that drives the rotational axis 20 of the stirrer, an air supplier 40 that supplies domestic organic waste with air, and a high-humidity gas treatment device that takes in and treats high-humidity gas coming out of the domestic organic waste. Beneath the circumferential bottom of the cylindrical reactor 10, a screw conveyer casing 11 is attached parallel to its axial direction. A screw conveyor 60 driven by another driving motor is installed in the screw conveyor casing 11. An air jacket 12 having a plurality of air supply holes 13 on its upper surface namely the circumferential wall of the reactor 10 is attached to each side of the screw conveyor casing 11.

The invention discloses an environmental-friendly zinc-aluminum damping alloy and a preparation method of the environmental-friendly zinc-aluminum damping alloy. The alloy is made of, by weight percentage, 15%-27% of Al, 0.01%-0.1% of Ti, 0.1%-0.2% of rare earth, 0.02%-0.62% of Cu, 0.01%-0.5% of Mg and the balance Zn, and the sum of the weight percentages is 100%. Through the alloying and heat treatment processes, the microstructure of the alloy is obviously refined and uniformized, and the mechanical property of an existing zinc-aluminum alloy is improved. Compared with the existing zinc-aluminum damping alloy, according to the environmental-friendly zinc-aluminum damping alloy, alloy compositions do not contain silicon and lead, machining and cutting are easy, the alloy is not broken easily, environmental protection and zero pollution are achieved, and the alloy has good damping performance. The novel zinc-aluminum damping alloy can be used as a shock absorbing material and is widely used in the fields of building materials, electronics, general machines and the like.

The invention provides a preparation method of a graphene-enhanced epoxy resin adhesive, and relates to the preparation method of the epoxy resin adhesive. The preparation method aims at solving the problems that an existing epoxy resin adhesive is small in shearing strength, low in tensile strength, low in elasticity and low in hardness. According to the preparation method, graphene is uniformly dispersed in an epoxy resin matrix through a vacuum drying and ultrasonic scattering method, and the graphene-enhanced epoxy resin adhesive is prepared. The preparation method specifically includes the following steps of firstly, preparing graphene through a chemical oxidoreduction method; secondly, scattering graphene in the epoxy resin matrix; thirdly, preparing a graphene-enhanced epoxy resin adhesive connector. Compared with pure epoxy resin, the preparation epoxy resin adhesive is more excellent, easy to operate, low in cost, environmentally friendly, high in bonding strength, and more beneficial for being applied to fields with high requirements for the bonding technology.

The invention relates to bionic air purification method and device. By adopting the method, air forms a cyclone, and a particulate matter adhering and intercepting device is arranged on a cyclone path to achieve the effect of efficiently removing dust. Thus, a bionic lung device with a sticky substance inner core and a bionic air purifier comprising a cyclone barrel, a bionic lung device and a dust extractor are developed, and applied to different environments to form a series of air purification systems with specific environments. Each air purification system comprises a building, a local environment, an automobile exhaust, kitchenware facilities, and a face mask for preventing the damage of haze. The method disclosed by the invention can be applied to the treatment of fog air of an open system. The method is scientific and reasonable by using bionic physical dust removal, no secondary pollution is generated in the purification process, the purification effect is reliable and environmentally-friendly, and related purification equipment has the advantages of being simple in structure, available in material, convenient to use, low in manufacturing cost, wide in application range and the like.

The invention provides a trimmer for regulating resistance value of a resistance component and a regulating method. The trimmer comprises a platform, a processor, a detection device and a trimming device. The method comprises the following steps: placing the resistance component on the platform; detecting the resistance values of the resistance component by use of the detection device, feeding back one detected resistance value to the processor and comparing the detected resistance value with a preset resistance value, thus obtaining a differential resistance value; and according to the differential resistance value, indicating the trimming device to cut the resistance component until the resistance component reaches the preset resistance value by virtue of the processor. The method provided by the invention can be used for detecting the resistance value of the resistance component and also carrying out mechanical cutting on the resistance component so as to simplify the operating complexity and improve the processing speed; and meanwhile, the electronic device which has the advantages of high precision and low error rate can be stably produced and the processing cost can also be lowered.

The invention relates to the field of film or sheet products produced by plastic or plastic state substance, in particular to a five-layer co-extruded fiber felt reinforced plastic composite board. The five-layer co-extruded fiber felt reinforced plastic composite board is composed of plastic layers and fiber felts and is characterized in that there are three plastic layers and two fiber felts, the three plastic layers are respectively arranged in parallel, the three plastic layers are respectively a top layer, an intermediate layer and a bottom layer, a layer of fiber felts is respectively lined between the top plastic layer and the intermediate plastic layer and between the intermediate plastic layer and the bottom plastic layer, and the plastic layer is prepared from any one of polypropylene, polyethylene and rigid polyvinyl chloride. The five-layer co-extruded fiber felt reinforced plastic composite board provided by the invention is high in strength, low in density, good in weather resistance and wide in range of application.

The invention discloses a matt high-antifouling glaze. The matt high-antifouling glaze comprises a ground coat and a cover coat, wherein the glaze particles of the ground coat are 0.056-0.063 millimeter, the glaze particles of the cover coat are 0.040-0.050 millimeter, and the firing temperature of the ground coat is 10-20 DEG C higher than that of the cover coat; the content of SiO2 is 2.1-2.8 times of the content of Al2O3 in a formula system of the cover coat. Correspondingly, the invention further provides a matt high-antifouling ceramic tile and a preparation method thereof. The matt high-antifouling glaze, the matt high-antifouling ceramic tile and the preparation method thereof have the advantages that by adjusting the formula systems of the ground coat and cover coat and controllingthe firing temperature difference of the ground coat and the cover coat at 10-20 DEG C, the effect that air holes of the ground coat are filled with the cover coat can be achieved while the firing temperature difference of the ground coat and the cover coat is smaller and the firing quality is ensured; the content of the SiO2 is 2.1-2.8 times of the content of the Al2O3 in the formula system of the cover coat, the glossiness of the glaze surface can be reduced, and the fired matt high-antifouling glaze can achieve matt and antifouling performance.

The invention discloses an ultrasonic fumigating atomization method for insect-expelling and anti-mildew for storage agricultural products by utilizing composite essential oil, and belongs to the field of protecting grain agricultural products in storage from biology invasion by utilizing a fumigant. An object of the method provided by the invention is to protect the grain agricultural products from the biology invasion from a period that the products are stored in a warehouse to a period that the products are out of the warehouse. The composite essential oil provided by the invention is prepared from five kinds of essential oil comprising litsea cubeba oil, cassia oil, clove oil, wrinkled giant hyssop oil and geranium oil in a ratio of 7:1:1:0.5:0.5. The composite essential oil is fumigated and atomized by an ultrasonic atomization fumigating device to fumigate the storage agricultural products, so that the insect-expelling and anti-microbial for the storage agricultural products are achieved. The ultrasonic atomization fumigating device mainly comprises an atomization system and an air-blasting system. The composite essential oil is scattered by an ultrasonic energy converter to generate micro-scale droplets so that the fumigant is atomized. The air-blasting system promotes gasification and diffusion of the essential oil droplets, the essential oil droplets permeate mitochondrial respiratory systems of insects and microorganisms to generate biology effects, so that the insect-expelling and the anti-mildew for the warehouse are achieved.

The invention discloses a zoom multi-channel microscopic imaging system of eye retina, which comprises a lighting subsystem, a zooming module, a multi-channel imaging module and a controller, wherein the lighting subsystem is used for emitting light to light eye ground, and the light is reflected by retina tissues and then forms imaging light beams; the zooming module is suitable for optical zooming so as to focus-image all the depth zones of the retina and lead to different magnifying powers and fields of view; the multi-channel imaging module is used for filtering and arranging the imaging beams spatially after the imaging beams are split and finally focusing the light on the target surface of a photoelectric detector to form a plurality of twin images; and the controller is used for connecting and controlling all the other parts, taking pictures of the eye ground of the tested person continuously, and collecting and obtaining a video or an image sequence directly. The zoom multi-channel microscopic imaging system also comprises a self-adaptive optical subsystem which is used for correcting higher order aberration of human eyes in real time so as to reach an optical resolution ratio approaching the diffraction limit and realize microscopic observation of the living eye retina.

The present invention provides an opposed jet mill sorter having a modification function and a mill sorting system. The jet mill sorter comprises a cavity, a material outlet arranged on the top of the cavity, and a sorting part arranged on the bottom of the f the cavity, wherein the cavity is provided with at least a pair of material feeding nozzles, the material feeding nozzles are oppositely arranged on side walls of the cavity, the bottom of the sorting part is provided with a residue discharging port, the outer wall of the sorting part is provided with a gas inlet, and an air distribution plate is arranged between the cavity and the sorting part. With the present invention, modification can be simultaneously performed during the material milling process, the difficultly milled material can be timely eliminated, and power consumption during the mill process can be reduced.

The invention discloses a box type automatic optical disc read-write storage system comprising a basic unit, a robot unit, storage expansion units, a guide rail and a box body; the basic unit consistsof a CD-ROM driver wall, the robot unit consists of a linear robot and a CD-ROM driver robot, and the storage expansion units are distributed on two sides of the guide rail in a symmetric manner; working processes of the box type automatic optical disc read-write storage system include the following steps: the linear robot moves along the guide rail, a target optical disc hold is taken from the storage unit, the optical disc holder is placed on a rotating platform via the linear robot, the rotating platform is rotated, an optical disc is taken via the CD-ROM driver robot and placed in a CD-ROM driver to be read and written in, the optical disc is taken out from the CD-ROM driver robot and placed in the optical disc holder of the rotating platform after reading and writing are finished, the rotating platform is rotated, and the optical disc holder is stored at an original position after being taken via the linear robot. In the box type automatic optical disc read-write storage system,a box type structure is adopted to facilitate transportation, space is fully used via layer-upon-layer arrangement of optical disc holders, rapid and highly efficient motions of the robot can be realized, and multiple CD-ROM drivers can be used for reading and writing simultaneously; the box body type optical storage robot system is advantaged by compact structure, large storage capacity, high reading and writing speed and the like.