111results about How to "Play a role" patented technology

The invention discloses a clamp for metal thin-wall whole segment tube axial tension and compression fatigue test, and is used for realizing the clamping of a thin-wall tubular sample in fatigue test in liquid lead-based alloy environment. The clamp is rotationally connected onto a core sleeve with a taper through a conical core rod, and is assembled on a fixed frame with a reversed T-shaped groove; an outer clamp cover is connected with the fixed frame through a bolt; a lock nut is rotationally connected with the fixed frame till being fastened with the fixed frame to form the clamp. By adopting the clamp, the clamping force to the tubular sample is enhanced through internal and external clamping, the stress concentration of the clamp is reduced, the probability that the liquid lead-based alloy is in direct contact with the interior of the clamp is decreased, the corrosion of the liquid lead-based alloy to main structural components inside the clamp is reduced, and the service life of the clamp is prolonged.

The invention discloses a manufacturing method of a lithium ion battery pack used for an electric automobile, comprising the following steps: (1) selecting monomer batteries which are to make sets; (2) connecting multiple monomer batteries in parallel to form a battery unit according to the requirement of the electric automobile motor power and the range mileage parameters; (3) connecting multiple battery units in series to form a battery module; (4) connecting multiple battery modules in series to form a battery pack; and (5) placing the battery pack into an external shell, and arranging an insulation plate on the top of the external shell. The method of the invention has safe assembling, can ensure the consistency after the batteries are made into sets, and can well give full play of the efficacy of batteries, and the battery pack is suitable for being applied on the electric automobile in a large scale.

The invention discloses a rosa roxburghii polysaccharide, as well as a preparation method and application thereof. The preparation method mainly comprises raw material pretreatment, extraction, deproteinization, de-coloration, alcohol precipitation, as well as separation and purification, wherein the extraction is to mix pretreated rosa roxburghii dry powder and water in a mass volume ratio of (1to 15) to (1 to 35), and perform extraction at a temperature of 55 to 95 DEG C; perform centrifugal separation to obtain a rosa roxburghii polysaccharide extracting solution, and concentrate the rosaroxburghii polysaccharide extracting solution under reduced pressure to 1 / 3 to 1 / 6 of the original volume to obtain a concentrated solution of the rosa roxburghii polysaccharide. The rosa roxburghii polysaccharide prepared by the invention has the advantages of high purity and uniform molecular weight. Compared with the existing rosa roxburghii polysaccharide, as proved by in-vitro fermentation experiments, the rosa roxburghii polysaccharide disclosed by the invention can promote the generation of short-chain fatty acids such as acetic acid, propionic acid and butyric acid, promote the growthof beneficial bacteria such as lactic acid bacteria and bifidobacterium, and can be taken as prebiotics. Meanwhile, the rosa roxburghii polysaccharide can inhibit the activity of alpha-glucosidase, and can be applied to healthy foods or medicines having auxiliary therapy effects on intestinal diseases and diabetes mellitus.

The invention discloses a display card driving device of a Linux operating system. The display card driving device comprises a drive storage unit, a detection unit, a determination unit, a matching unit and a configuration unit. The drive storage unit is used for storing drives of various display cards. The detection unit is used for uninterruptedly detecting display card information set in a computer with the operating system. The determination unit is used for determining a type of a display card in the computer according to varied display card information detected. The matching unit is used for judging whether at least one display card drive stored in the drive storage unit is matched with the type of the display card determined or not and selecting the display card drive matched with the type of the display card determined from various display card drives stored. The configuration unit is used for configuring and loading the display card corresponding to the varied display card information on the basis of the display card drive selected. By combining drives of a built-in INTEL display card, a plug-in NVIDIA display card and an ATI display card, support of the display card drives for library function is improved.

The invention discloses a composite modifying agent for repairing paddy field soil Cd pollution. The composite modifying agent comprises the following raw materials: 10-20% of lime nitrogen, 10-20% of silicon fertilizers, 25-35% of zeolite powder, 5-15% of calcium magnesium phosphate fertilizers, and 25-35% of organic fertilizers. The invention further provides a preparation method and an application method of the preparation. The preparation method of the composite modifying agent is simple, and is easily performed; the absorption of paddies planted on heavy metal-polluted soil to a heavy metal Cd is effectively restrained through the effects of all the components; the composite modifying agent is a novel composite modifying agent with high efficiency, environmental protection and convenience for use, and can achieve the effects of base fertilizers through providing various nutrient elements to the paddies.

The invention discloses a treadmill designed to protect young children during running exercises and relates to the technical field of sport equipment. The treadmill designed to protect young childrenduring running exercises comprises a base, baffle plates, a drive belt, a drive motor and a control table. The front and rear sides of the top of the base are fixedly connected with baffle plates, andthe drive belt is fixedly installed between the two baffle plates; the left end of the drive belt is driven by the drive motor, and the bottom of the drive motor is fixedly connected to the left sideof the top of the base; the left side of the top of the base is fixedly installed with the bottom of the control table. According to the treadmill designed to protect young children during running exercises, young children pull a contact ring when they fall, which plays the role of pulling a first rope and a return spring connected with a moving block below the connecting block can also play a reverse pulling role to the first rope body, thereby preventing the occurrence of a child fall injury. The invention effectively solves the problem that the existing treadmill is not suitable for youngchildren.

The invention discloses a phyllosilicate / natural latex composite adhesive film and a preparation method thereof. The composite adhesive film is mainly prepared from the following components: 142-167 parts by weight of natural latex with the solid content of at least 60%, 50-500 parts by volume of phyllosilicate dispersion solution with the density of 15-25 g / L, 1-5 parts by weight of vulcanizing agent, 1-5 parts by weight of zinc oxide, 0.1-0.5 part by weight of accelerator and 0.1-0.5 part by weight of dispersing agent. When the weight unit is kg, the volume unit is L. The phyllosilicate dispersion solution is prepared by the following steps: taking phyllosilicate, carrying out ultrasonic dispersion in an acid solution with the concentration of greater than or equal to 0.5 mol / L, taking a suspension, repeatedly washing with water until the pH value is approximately neutral, controlling the density of the phyllosilicate to 15-25 g / L, and regulating the pH value to 7-9. The adhesive film has excellent mechanical properties.

The invention provides a two-dimensional covalent organic framework modified flexible fiber fabric and a preparation method thereof, and belongs to the field of fabrics. The modified flexible fiber fabric prepared by the method can be used for antifriction processing between the inner and outer spherical surfaces of a large self-lubricating rod end joint bearing, and the solid / oil composite lubrication effect is effectively achieved. On the premise that the flexibility and deformability of the PTFE composite fiber fabric is not lost, the surface friction coefficient of the PTFE composite fiberfabric and the swing friction torque between the inner and outer spherical surfaces of the rod end joint bearing are further reduced.

A driving hammer-type ice-breaking machine comprises a snow scraping shovel, a snow beating hamper, a transmission big gear wheel, a crankshaft, a crankshaft bracket, an engine, a vehicle frame and a thrust frame. One end of the crankshaft is connected with a bearing, the other end of the crankshaft is connected with the transmission big gear wheel, and the middle of the crankshaft is connected with the snow beating hammer. The crankshaft penetrates through the crankshaft bracket. The snow scraping shovel is arranged at the position behind the snow beating hammer and below the vehicle frame. The thrust frame is connected with a vehicle wheel forward power source. The driving hammer-type ice-breaking machine can break and remove ice and snow on the ground, and can well deal with emergency maintenance work of a large-area icy road.

The invention relates to a construction method of tower transmission iron tower foundation large-diameter underwater cast-in-place piles. The method comprises, during mud retaining wall drilling and pile casting, constructing a mud retaining wall, wherein the inside of mud retaining wall forms a pile hole, and coaxially mounting a shaft casing on the ground at the top end of the pile hole. The method comprises the steps of (1) exploring the position of a drift sand layer; (2) mounting the spliced type casing on a steel reinforcement cage of the position where the drift sand layer is formed; (3) mounting steel reinforcement cages; (4) isolating the drift sand layer; (5) performing construction of concrete cast-in-place piles. The construction method of the tower transmission iron tower foundation large-diameter underwater cast-in-place piles is applicable to field processing, economical and practical, guarantees the effect of no influence of the drift sand layer on any process as well as the construction progress. The construction method of the tower transmission iron tower foundation large-diameter underwater cast-in-place piles has the advantage of obviously enhancing construction rapidity, practicality, sociality and economical efficiency.

The invention relates to continuous deep dewatering equipment. The equipment is mainly applied to situations, needing solid-liquid separation, such as sewage treatment plants, paper mills, chemical plants and pharmaceutical factories and particularly applied to continuous deep dewatering for sludge. The equipment is mainly composed of a distribution area, a pre-pressing area, a squeezing area anda discharging area, the distribution area comprises a distributor and an evening roller, and the pre-pressing area is composed of an upper filter screen, a lower filter screen and a dewatering roller;the squeezing area is composed of an upper filter screen, a lower filter screen, an upper liner band, a lower liner band and a pressurization assembly which are operated circularly, the upper and lower filter screens and the upper and lower liner bands overlap in the squeezing area to form a squeezing face similar to a plane, and the pressurization assembly vertically acts on the liner bands andprovides squeezing pressure of 10-60 kilograms; the discharging area is composed of discharging rollers and scrapers, and a mud cake is continuously and automatically discharged under the function ofthe filter screens and the scrapers. After squeezing, the water content of the mud cake is lower than 50%, and the equipment is automatically and continuously operated.

The invention discloses a highway long-term side-by-side running identification method and system. The method comprises the following steps of (1) acquiring a video acquired by a driving recorder anddecoding the video into continuous frame pictures; (2) identifying vehicle license plate colors and vehicle license plate images of different front vehicles from the frame pictures; (3) based on the areas of the identified vehicle license plate colors and vehicle license plate images, the areas of the whole frame images and internal fixed parameters of a camera, calculating distances between the driving recorder and the different front vehicles; and (4) calculating difference values of the distances between the driving recorder and the different front vehicle at different moments, so as to identify whether the front vehicles are in a long-term side-by-side running state or not. According to the identification method and system, a large amount of manpower can be saved, the identification efficiency is improved, and meanwhile, the high coverage rate is achieved.

The invention discloses a multi-mode air disinfection machine. The multi-mode air disinfection machine comprises a machine shell; an air inlet and an air outlet are formed in the peripheral side of the machine shell; the air inlet and the air outlet are in communication and together form an air duct in the machine shell; an air purification module used for driving air to flow and achieving the airpurification effect and an air disinfection module used for carrying out sterilization and disinfection on the air are arranged in the air duct; and a disinfection substance diffusion module used forcontaining disinfection substances and diffusing disinfection substances into the air through a gasification / atomization means is arranged in the machine shell. By combining multiple technical means,circulating filtration of the air in a large-space environment and sterilization of pathogens are realized. Free switching among a plurality of disinfection modes is supported, an operator can flexibly select the corresponding disinfection modes based on different actual use requirements of users and different device application scenes, and the air disinfection performance of the machine is optimized.

The invention discloses an infrared imaging signal output system with a wireless transmitting function. The infrared imaging signal output system comprises an optical lens, a thermal detector, an analog-to-digital conversion chip, a decoder, a display screen and a wireless transmitter, wherein an output end of the optical lens is connected with an input end of the thermal detector; an output end of the thermal detector is connected with an input end of the analog-to-digital conversion chip; an output end of the analog-to-digital conversion chip is connected with an input end of the decoder; an output end of the decoder is connected with an input end of the display screen; and an input end of the wireless transmitter is connected with the output end of the decoder. By using the structure, a decoded video signal can be transmitted to other equipment through the wireless transmitter or a network port, so that resource sharing is realized and the effect of an infrared camera is brought into effect to a greater extent.

The invention relates to a multi-functional goods storage and distribution station, consisting at least one storehouse, wherein each storehouse consists at least of two stories. The central area of one story is the goods transfer area, wherein the front and the rear parts are both provided with platform parking stalls for loading and unloading; a truck stop platform is arranged between the platform parking stalls for loading and unloading and the goods transfer area; each of the four corners of the ground floor is provided with a goods elevator leading to higher stories; an operation room is arranged beside each goods elevator of the ground floor; two staircases are respectively arranged at the left and the right side of the goods transfer area; a passage is arranged in the goods transfer area; the stories except the ground floor are all arranged as storage areas, wherein a passage is arranged in each storage area. The invention multiplies the storage capacity, greatly enhances the working efficiency, and reduces the cost of all the storage activities. The invention provides a multi-story and multi-building storage structure, and the various stories and building are communicated with each other, thereby the invention is especially applicable to the construction of logistic centers.

The invention discloses a rosa roxburghii polysaccharide, as well as a preparation method and application thereof. The preparation method mainly comprises raw material pretreatment, extraction, deproteinization, de-coloration, alcohol precipitation, as well as separation and purification, wherein the extraction is to mix pretreated rosa roxburghii dry powder and water in a mass volume ratio of (1to 15) to (1 to 35), and perform extraction at a temperature of 55 to 95 DEG C; perform centrifugal separation to obtain a rosa roxburghii polysaccharide extracting solution, and concentrate the rosaroxburghii polysaccharide extracting solution under reduced pressure to 1 / 3 to 1 / 6 of the original volume to obtain a concentrated solution of the rosa roxburghii polysaccharide. The rosa roxburghii polysaccharide prepared by the invention has the advantages of high purity and uniform molecular weight. Compared with the existing rosa roxburghii polysaccharide, as proved by in-vitro fermentation experiments, the rosa roxburghii polysaccharide disclosed by the invention can promote the generation of short-chain fatty acids such as acetic acid, propionic acid and butyric acid, promote the growthof beneficial bacteria such as lactic acid bacteria and bifidobacterium, and can be taken as prebiotics. Meanwhile, the rosa roxburghii polysaccharide can inhibit the activity of alpha-glucosidase, and can be applied to healthy foods or medicines having auxiliary therapy effects on intestinal diseases and diabetes mellitus.

This invention relates to a totally enclosed water tap in water pipe. It includes totally enclosed valve body, valve stem, ceramic spool and external magnet ring. The external magnet ring and valve stem are respectively assembling the permanent magnets with the same number. The polarities of permanent magnets are alternately arranged. The external magnet ring and valve stem form one-to-one corresponded magnetic relation. This invention solves the problem in the prior patents that has little magnet force.

The invention relates to a cylinder protective cover, one end (2) of which is fixed near the front end of a piston rod (24) through a rod-side fixing mechanism (30), and the other end (3) is fixed through a cylinder-side fixing mechanism (30) On the cylinder (22), it includes: a slack absorption mechanism (wrinkle structure) (1) that absorbs the slack caused by the expansion and contraction of the piston rod; Truncation part (4).

The invention discloses an acne preventing and treating additive and an application thereof. The acne preventing and treating additive is prepared from components in parts by weight as follows: 0.2-2.0 parts of a rhizoma smilacis glabrae extract, 0.1-1.9 parts of Chinese wax gourd seed oil and 0.2-2.5 parts of bitter gourd crude polysaccharides. When applied to an emulsion, the acne preventing and treating additive can effectively inhibit bacteria, diminish inflammation, clear away heat and toxic materials, strengthen pore dredging with swelling and lump removal, regulate sebum secretion and realize sterilization and detoxication treatment, thereby rapidly curing, preventing and treating acnes. The acne preventing and treating additive is mild and non-irritant and has no side effects on human bodies.

The invention relates to the technical field of stainless steel production and processing, and discloses drilling equipment for stainless steel ball production. The drilling equipment comprises a base, a connecting sleeve is fixedly mounted at the top of the right side of the base, a top plate is fixedly mounted at the top end of the connecting sleeve, an electric telescopic rod is arranged at theleft end of the top plate, and a linkage rod is arranged at the output end of the electric telescopic rod. According to the drilling equipment for stainless steel ball production, the integrated process of automatic feeding, automatic positioning, automatic discharging and synchronous movement dust collection of steel balls is achieved, through driving of the electric telescopic rod assisting a power source, mutual cooperative use of automatic feeding, automatic discharging and synchronous dust collection is achieved, the structures are used in a mutual cooperative manner, the structures supplement each other, and high innovativeness is achieved; and the accurate drilling effect on the steel balls is guaranteed, the cleanliness degree generated after steel ball drilling is guaranteed, thelabor intensity of workers is reduced, the production and machining efficiency of the steel balls is improved, the enterprise production standard is met, and the drilling equipment is suitable for large-scale popularization.

The invention provides a preparation method of a chitosan / cellulose acetate / iron composite adsorbent used for removing antimony. The adsorbent is prepared through compounding chitosan, cellulose acetate and iron oxide. A cellulose acetate framework with a porous structure is prepared, a functional group rich in chitosan is a functional group, and the iron oxide is adopted as the active component of the adsorbent, so the disadvantages of large water head loss, difficult separation, poor chitosan stability and small specific surface area during direct adsorption of the iron oxide are overcome in the invention.

The invention relates to vertical machining stamping equipment. The vertical machining stamping equipment comprises a workbench, a moving mechanism, a fixing mechanism and a stamping mechanism, wherein the moving mechanism is installed on the left side of the upper end surface of the workbench, the fixing mechanism is installed on the right side of the upper end surface of the workbench, and the stamping mechanism is arranged between the fixing mechanism and the moving mechanism. According to the vertical machining stamping equipment, when a steel pipe is fixed by the fixing mechanism, the inside of the steel pipe can be supported, so that the steel pipe has supporting force during stamping, and the deformation of the steel pipe is not prone to being caused; meanwhile, the fixing mechanismcan further turn over the steel pipe, so that multi-end-surface punching of the steel pipe is facilitated, the use effect of multiple purposes of one machine is achieved, and the punching position ofthe steel pipe is more accurate; and a moving plate moves when the steel pipe is turned over, so that the steel pipe moves without resistance, and the steel pipe is reset under the action of a supporting spring after being turned over so as to support the lower end of the steel pipe.

The invention relates to a soft crawling robot and a control method thereof. The soft crawling robot comprises a robot gripper, as well as a front-end radial actuator, a central axial actuator and a rear-end radial actuator which are connected in sequence, wherein the robot gripper, the front-end radial actuator, the central axial actuator and the rear-end radial actuator all comprise air cavities; the robot gripper can be bent through inflation; the front-end radial actuator and the rear-end radial actuator can expand in the radial direction through inflation; and the central axial actuator can be axially expanded through inflation. The front-end radial actuator, the central axial actuator and the rear-end radial actuator are inflated, deflated and kept according to a preset sequence, so that a soft robot body moves back and forth in a pipeline. Through the arrangement of the inflatable rear-end radial actuator, the central axial actuator, the front-end radial actuator and the robot gripper, the function of removing specific obstacles in the pipeline or targeted delivery can be well achieved.

The invention discloses a method for producing GlcNAc salts by an enzymic method and purifying the GlcNAc salts, and belongs to the technical field of bioengineering. According to the method, N-acetyl-D-(+)-glucosamine is used as a raw material and is hydrolyzed by deacetylase to obtain GlcNAc and acetic acid; then, the GlcNAc salts are obtained through separation by eluting cation exchange columns by an acid solution; and meanwhile, a byproduct of sodium acetate is obtained through anion exchange recovery. The obtained GlcNAc salts are subjected to concentration, crystallization, decoloring and drying to obtain high-purity GlcNAc salt crystals. According to the method, a cyclic utilization process of enzymes, a cyclic recovery process of residue substrates and a recovery process of aceticacid are combined. The conversion rate of the N-acetyl-D-(+)-glucosamine and the total yield of the GlcNAc salt product are improved, and meanwhile, enzymes are cyclically utilized, so that the residue substrates circulate to be sufficiently converted, and the acetic acid is utilized as resources. Through operation conditions at the normal temperature, the resin loss rate is low; the generation quantity of hydrochloric acid waste liquid is very small; and the economic benefits of energy saving and consumption reduction and the effects of environment protection and safety are realized.

The invention relates to a multilayer linkage type side sealing device for fuel gas blowing and sintering. The device comprises a sintering pallet, a sealing cover, a fuel gas blowing device and sidesealing devices. The sintering pallet is located in the sealing cover. The fuel gas blowing device is located above the sintering pallet. The device is provided with multiple layers of side sealing devices. The multiple layers of side sealing devices are arranged between two sides of the sintering pallet and the inner side surface of the sealing cover. Each side sealing device comprises a connecting rod, a rotary shaft, a loading plate and a sealing plate. One end of each connecting rod is connected with the inner side of the sealing cover. Each rotary shaft is arranged at the other end of thecorresponding connecting rod. Each loading plate is connected with the corresponding rotary shaft. Each sealing plate is connected with the corresponding loading plate. The tail end of each sealing plate is close to the outer side surface of the sintering pallet. According to the multilayer linkage type side sealing device for fuel gas blowing and sintering provided by the invention, a sealing effect can be effectively ensured, deposited ash can be effectively cleaned, and the aims of stable yield and smooth production of a whole coal gas blowing auxiliary sintering production line are achieved.

The invention belongs to the technical field of illumination equipment, and discloses a reflective projection lamp. The reflective projection lamp comprises a pedestal; the internal side of a lamp housing is fixedly connected with stop supports; one side of each stop support is fixedly connected with the external surface of a light shielding plate; the top and the bottom of the light shielding plate are fixedly connected with buffer seats; one side of the external surface of each buffer seat is fixedly connected with a buffer column; one end of each of the two buffer column is fixedly connected with the top and the bottom of a lampshade; an internal cavity of the lampshade is fixedly connected with lamp beads; the two sides of the external surface of the lampshade are fixedly connected with shielding plates; one end of each of the two shielding plates is fixedly connected with a corresponding positioning seat. According to the reflective projection lamp, cooperation of the light shielding plate, the lampshade, the shielding plates, and the positioning seats is capable of realizing gathering light emitted by the lamp beads, and radiating of the gathered light, so that light scattering is avoided, and light illumination brightness is increased greatly.

The invention discloses a quick roof greening method. The method includes: a, using plants of Alocasia macrorhiza to green a roof; b, cutting each Alocasia macrorhiza rhizome more than 5cm in diameter into 15-20cm short sections, placing the short sections in a planting sieve or pot, covering with culture medium made of mixture of humus and river sand in the mass ratio of 3-4:1, making sure that a soil layer is 2-4cm in thickness, not fully covering stalks more than 20cm in diameter, sprinkling to preserve moisture, setting up a shade net for shading and accelerating quick germination, and transplanting when shoots growing on the short sections grow 3-4 true leaves; c, transplanting the stalks with the shoots in culture containers; d, placing pots of Alocasia macrorhiza, growing normally in the step c, at random, managing by a conventional garden technique, and keeping water and fertilizer supply. The culture medium is made with, by weight, 50-60% of common soil, 35-45% of leaf mold, and 5% of fine sand; 15-20g of compound fertilizer is added per 5kg of the culture medium.

The invention relates to a multi-stage silencing structure for an all terrain vehicle. The structure comprises an air inlet pipe, an air outlet pipe and a silencer shell. The multi-stage silencing structure also comprises a plurality of buffer pipes, an air flow dispersing plate, primary filter screens, a secondary filter screen, a primary silencing layer and a secondary silencing layer. The plurality of buffer pipes comprise an arc-shaped end portion and a plurality of buffer pipes arranged in an array, and the buffer pipes and the arc-shaped end portion are integrally formed; one end, extending into the silencer shell, of the air inlet pipe communicates to the arc-shaped end portion, and the air outlet pipe extends out of the other end of the silencer shell; the air flow dispersing plateis fixed to the connection of the air inlet pipe and the arc-shaped end portion; the primary filter screens are arranged in the plurality of buffer pipes; the end portions of the buffer pipes are close to the primary silencing layer, the primary silencing layer and the silencer shell are in interference fit, the secondary silencing layer and the primary silencing layer form a cavity, and the secondary silencing layer and the silencer shell are in interference fit; the secondary filter screen is arranged close to the air outlet pipe, and the secondary filter screen is compressed to the silencer shell. The multi-stage silencing structure provided by the invention purifies and treats tail gas while achieves multi-stage silencing.

The invention discloses a clamp for metal thin-wall whole segment tube axial tension and compression fatigue test, and is used for realizing the clamping of a thin-wall tubular sample in fatigue test in liquid lead-based alloy environment. The clamp is rotationally connected onto a core sleeve with a taper through a conical core rod, and is assembled on a fixed frame with a reversed T-shaped groove; an outer clamp cover is connected with the fixed frame through a bolt; a lock nut is rotationally connected with the fixed frame till being fastened with the fixed frame to form the clamp. By adopting the clamp, the clamping force to the tubular sample is enhanced through internal and external clamping, the stress concentration of the clamp is reduced, the probability that the liquid lead-based alloy is in direct contact with the interior of the clamp is decreased, the corrosion of the liquid lead-based alloy to main structural components inside the clamp is reduced, and the service life of the clamp is prolonged.