2263results about How to "Unique structure" patented technology

A method of manufacturing a biopolymer optical waveguide includes providing a biopolymer, unwinding the biopolymer progressively to extract individual biopolymer fibers, and putting the unwound fibers under tension. The tensioned fibers are then cast in a different polymer to form a biopolymer optical waveguide that guides light due to the difference in indices of refraction between the biopolymer and the different polymer. The optical fibers may be used in biomedical applications and can be inserted in the body as transmissive media. Printing techniques may be used to manufacture the biopolymer optical waveguides.

The invention provides a mobile phone shell and a preparation method of the mobile phone shell. The mobile phone shell comprises a plastic piece and a metal shell body which is combined with the plastic piece, wherein the surface of a face, combined with the plastic piece, of the metal shell body is provided with an oxidation film layer, corrosion holes are formed in the surface layer of a face, opposite to the plastic piece, of the oxidation film layer, the hole diameter of each corrosion hole is 200 nanometers to 2000 nanometers, nanometer micro holes are formed in the inner layer of the oxidation film layer, the hole diameter of each nanometer micro hole is 10 nanometers to 100 nanometers, and resin compositions of the plastic piece are filled in the nanometer micro holes and the corrosion holes. The prepared mobile phone shell is resistant to abrasion, falling and corrosion.

The invention discloses a method for synthesis of a cobalt nanoparticle and bamboo-like nitrogen doped carbon nanotube composite material. The method includes: dissolving a soluble cobalt salt and an amine polymer in a hydrophilic reagent according to a mole ratio of 1:(2-200), performing evaporation at 60DEG C, conducting grinding after cooling, performing calcination at 400-1400DEG C under nitrogen atmosphere, then treating the sample with acid, and carrying out washing, centrifugation and drying so as to obtain the cobalt nanoparticle and bamboo-like nitrogen doped carbon nanotube composite material. The obtained cobalt nanoparticles have small particle size and are employed to coat the head of a carbon nanotube evenly so as to combine tightly with the carbon nanotube. The composite material has application prospects in fuel cell anode materials, lithium ion battery cathode materials and the like. The method designed by the invention has the advantages of easily available raw materials, simple process and no pollution, short preparation period, mild reaction conditions, low cost, and mass synthesis capability, etc.

The invention discloses a graphene-based nitrogen-doped hierachical-pore carbon nanosheet / sulfur composite material for a cathode of a lithium sulfur battery, as well as a preparation method and application of the graphene-based nitrogen-doped hierachical-pore carbon nanosheet / sulfur composite material. The carbon nanosheet is a graphene-based nitrogen-doped hierachical-pore carbon nanosheet, and is prepared by the steps of growing poly-pyrrole on graphene oxide in situ, performing carbonization at high temperature, activating by using potassium hydroxide and forming pores, wherein the graphene oxide and nano-silicon dioxide serve as double templates; the thickness of the carbon nanosheet is 10 to 25 nm; the specific surface area is 800 to 1,600 m<2> / g; the pore diameter of the carbon nanosheet is distributed into the range of 0.8 to 6 nm in a concentrated way; the structure of the carbon nanosheet is a sandwich-like type which adopts graphene as the interlayer of the carbon nanosheet. The carbon nanosheet with abundant micro-pores, meso-pores and large specific surface area can load more sulfur active substances and can effectively inhibit dissolution of polysulfide. The ultrathin nanosheet, and the micro-pores and meso-pores guarantee diffusion of electrolyte and transmission of ions. According to the structure, the capacity, the cycling stability, the coulombic efficiency and the rate performance of the carbon nanosheet / sulfur composition material applied to the lithium sulfur battery are improved synergistically.

The invention discloses a scalable wheel type snake-shaped robot. The snake-shaped robot consists of a head part, a tail part, body parts and knuckle parts, and can move bi-directionally, wherein the head part and the tail parts have the same structure, a mounting hole is arranged, and corresponding sensors are arranged as required; the body parts can realize gravity induction type independent scalability of wheels by adopting an electromagnetic eight-direction independent scalable wheel structure, the body part close to the head part and the tail part is provided with a driving wheel for providing driving, and other body parts are provided with driven wheels; and the knuckle parts can realize the horizontal and pitching deflection of adjacent modules by adopting a cross-shaped gear structure, and the creeping and peristalsis of the whole snake-shaped body can be realized by reasonably regulating the deflection angles of all knuckles. The wheel type movement and creeping and peristalsis form can be independent from each other and can also be combined, and the adaptability and the traveling speed of the snake-shaped robot can be effectively promoted under complex terrain conditions.

A compound of formula (I),a pharmaceutically acceptable salt, or hydrate thereof, and a method of preparing the same. A method of treating or preventing a physiological disorder caused by abnormal protein tyrosine kinase activity in a mammal comprising administering to said mammal a pharmaceutical composition comprising a compound of formula (I).

The invention relates to a medlar picker, in particular to a medlar picker for picking up medlar from medlar trees. The medlar picker comprises a shell, wherein a handle and a power plug are sequentially arranged on one end of the shell; a slide block, a vibration fork clamping plate and a vibration fork are sequentially arranged on the other end of the shell; a guide rail is arranged in the shell; the slide block is arranged in the guide rail; the slide block is connected with a roller wheel arranged in the shell; the eccentric wheel is connected with a motor; and the motor is fixed in the handle through a fixed block and a plug. The invention can ensure that the picker has the advantages of unique structure, light weight, simple operation and high picking efficiency.

The invention provides a novel biped humanoid robot system based on pneumatic artificial muscles, belongs to the technical field of robots, and in particular relates to a biped robot having powerful athletic ability and flexible humanoid characteristics. The biped humanoid robot system comprises a mechanical body and an electrical control system; the biped humanoid robot system is characterized in that the mechanical body is mainly composed of seven parts, namely a waist, a hip joint, thighs, knee joints, shanks, feet and the like, and has 13 degrees of freedom in total; in the 13 degrees of freedom, 3 degrees of freedom of the waist are realized by virtue of the cooperation of four pneumatic muscles and the waist spine, and the single degree of freedom of each of the hip joint, the knee joints and the ankle joints is realized by use of one pneumatic muscle and one spring which are pulled to each other to produce opposed rotating force. According to the design of the novel biped humanoid robot system, a control platform is provided; the system relates to the fields of control science and intelligent control in addition to robotics, and is capable of meeting the requirements of scientific research and teaching of a plurality of disciplines.

The invention discloses an absorption tower for desulfurization and denitrification combined with an oxidant in forward-flow and back-flow spraying mode and a method. The absorption tower includes two washing sections: a first section is a desulfurization loop and arranged on the lower portion of the absorption tower, and sulfur dioxide and hydrogen chloride are removed through slurry forward-flow and back-flow and smoke contact cleaning; a second section cleans oxidized smoke pollutants in slurry back-flow and smoke contact mode mainly for removing oxynitride and heavy metal mercury. A slurry divider is arranged between the two cleaning sections, the bottom of the slurry divider is an oxidization area, and strong oxidant is sprayed in the area. For reducing consumption of the oxidant, a catalyst is added in second-loop slurry for achieving auxiliary oxidization. Sulfur dioxide, oxynitride, heavy metal mercury and the like can be removed simultaneously in a washing tower by the technology, and the absorption tower has the advantages of being high in efficient and simple and suitable for various combustion devices including fuel coal power stations, refuse incineration plants, organic and inorganic production enterprises and the like.

The present invention is adsorbent for adsorbing six-valent chromium ion and its preparation process. The adsorbent includes silicon-base porous carrier and functional heterocyclic compound group supported through grafting reaction onto the surface of the silicon-base porous carrier. The silicon-base porous carrier is porous silica gel or ordered mesoporous silica; and the heterocyclic compound is nitrogen-containing piperidine, imidazole, triazole, triazo sodium or their salt. The preparation process includes the steps of: adding silicon-base porous material into toluene, adding organosilane coupler to react under the protection of N2, filtering and washing. The adsorbent is suitable for adsorption, separation and elimination of six-valent chromium ion in chromium containing solution.

A chemical and biological transducer is prepared by setting two long period fibre gratings, fibre covering and fibre core on one piece of fibre to form a MZ interferometer and then plating a metal film on fibre covering surface to form SPR transducer of fibre MZ interferometer structure. The sensing system comprises wide band light source, fibre, chemical and biological transducer formed as above, fibre spectrograph and computer as said transducer is set in gas or solution of chemical composition or biological molecule to be tested.

A health-care tangerine peel tea for moistening lung, resolving phlegm, relaxing cough, improving the resistance of body, helping digestion, and losing weight is prepared from tangerine peel and high-quality Pu'er tea.

The invention discloses a semi-submersible type multifunctional jetty, comprising one or more semi-submersible type steel box bodies mutually connected together. The lower part of each box body is provided with an anchoring locating device, and a wave wall is arranged in the longitudinal direction at the upper part of the box body. The box body is internally provided with an intermediate deck dividing the box body into an upper layer and a lower layer, wherein the upper layer is a functional box, and the lower layer is a snorkeling box. The lower layer of the box body is provided with a snorkeling device, and one end part of the box body is also provided with a shore coupling device. The invention has the advantages that the adopted semi-submersible type jetty has low manufacturing cost, short construction period, convenient construction and safe use, can effectively prevent geological disasters and avoid the damage caused by earthquakes and surge, does not change the ocean attribute and can utilize a platform on the surface of the box body as a floating dock and a hydrophilic leisure and entertainment occasion for fishing and the like.

The invention relates to a multipurpose use device for low grade energy, namely, a high-efficiency cleaning sewage heat exchanger. The device comprises a sewage box body, the top of which is provided with a flat-shaped top plate. The sewage box body is internally distributed with more than two snakelike heat exchange tubes evenly. The upper part of the snakelike heat exchange tubes is connected with the inner side surface of the top plate. The inner bottom of the sewage box body is evenly distributed with a lower transverse baffle, the upper part of which extends into the convex position of the snakelike heat exchange pipe. The inner side surface of the top plate is evenly distributed with an upper transverse baffle, the lower part of which extends into a concave downward position of the snakelike heat exchange pipe. The upper part of the sewage box body is provided with a sewage inlet defrosting pan, the lower part is provided with a sewage outlet and the bottom is provided with a water outlet. Compared with the traditional shell and tube exchanger, the device ensures higher heat exchange efficiency based on reducing the treatment cost of sewage of the heat exchanger, heat transfer coefficient of which can reach more than 400 W / m<2>.k, and also ensures that the heat exchanger has better maintenance characteristics, thus being convenient for daily maintenance and cleaning and keeps better heat exchange efficiency.

The invention discloses an artificial ecological barrier reef and relates to an artificial building block suitable for growth of marine organisms. According to the artificial ecological barrier reef, a body is a concrete building block with a vertical penetrating hole, a steel bar or other metal reinforced bars do not exist in the body, micro silicon powder is mixed in the body, the body is a big-end-down table-shaped object, a plurality of holes which penetrate to the vertical penetrating hole and a plurality of concave pits are formed in the side face of the body, fragments of one or more of the organic substances of plants, shells, oyster shells and organism skeletons are added into the body, and parts of the organic substance fragments are exposed on the surface of the body. Cost, conveying, island conditions and bank protection can be integrated, and the requirement for ecological environment protection can be met.

The invention relates to a combined ecological floating bed for water planting plants and flowers, which is characterized by comprising one or more ecological floating bed units which are combined, interconnected and fixed to form the combined ecological floating bed for the water planting plants and flowers with various patterns; the ecological floating bed unit comprises a planting basket, a floating bed framework and a foam piece, wherein the planting basket is placed in a planting basket placing port of the floating bed framework; the foam piece is sleeved in a cavity of the floating bed framework; and a plurality of ecological floating bed units are connected to form a large-area water planing plant-flower garden or a fixed green ecological floating island. The ecological floating bed has the advantages of unique structure, convenient manufacture and low cost, can effectively reduce the content of phosphorus and nitrogen-like eutrophic salts polluting the water and COD and BOD, promote the water quality from VI class to III class and beautify the environment, and can be widely applied to the water surfaces of extensive polluted rivers and lakes.

The invention discloses a preparation method of a GR / WS2-AuNPs-WS2 compound molecular imprinting sensor. The preparation method includes the steps: 1) preparing tungsten sulfide which is nanosheet transition metal; 2) preparing an AuNPs / WS2 compound; 3) preparing a GR / WS2-AuNPs-WS2 compound; 3) preparing a GR / WS2-AuNPs-WS2 compound modified electrode; 4) taking the GR / WS2-AuNPs-WS2 compound as a substrate of the modified electrode, L-phenylalanine as a template molecule, 2-ethyl-4-methylimidazole as a crosslinking agent and methacrylic acid as a functional monomer to prepare an L-phenylalanine molecular imprinting sensor. The invention further provides an application of the molecular imprinting sensor in detection and separation of L-phenylalanine. L-phenylalanine detection sensitivity of the sensor is greatly improved owing to the GR / WS2-AuNPs-WS2 compound, and the prepared L-phenylalanine molecular imprinting sensor is high in L-phenylalanine sensitivity and selectivity by taking advantages of molecular imprinting.

The invention provides a food vending machine which comprises a rack with an operation panel. A refrigeration region, a processing region and a containing and packaging region are formed in the rack; fresh foods are stored in the refrigeration region; a plurality of output ports for outputting the fresh foods from the refrigeration region are formed between the refrigeration region and the processing region; the processing region is provided with a cooking workstation capable of carrying out cooking on the fresh foods; the cooking workstation is mounted in the processing region in a detachable manner; the containing and packaging region is provided with cooked food boxes for containing cooked foods processed by the cooking workstation and a packaging mechanism for carrying out coverage and packaging on the cooked food boxes; a taking window for customers to take the cooked food boxes is arranged on the panel of the rack. According to the food vending machine, various foods can be used for selection, and meanwhile, cooking modes also can be selected, and thus, the food vending machine is more diverse and wider in selection; the food vending machine can cook foods from a raw state and is unlike an existing food vending machine which reheats cooked foods, and thus, the foods cooked by the food vending machine are good in taste, nutrition cannot be lost, and the foods are sanitary and healthy and are difficult to go bad.

The invention discloses a preparation method of a photosensitive hydrogel containing a cyclodextrin and an azobenzene. The method comprises the following steps: mixing polyethylene glycol PEG10K with an Alpha-cyclodextrin so as to prepare a polyrotaxane hydrogel; then, adding water-soluble dendrimers Me-G2-Azo into the polyrotaxane hydrogel so as to convert the hydrogel into sol; and reassembling and decomposing the sol under the alternate irradiation of ultraviolet light and visible light so as to prepare the photosensitive hydrogel containing the cyclodextrin and the azobenzene. The photosensitive hydrogel disclosed by the invention is a ternary system hydrogel which contains the Alpha-cyclodextrin, the polyethylene glycol (PEG10K) and the second generation of dendrimers (Me-G2-Azo) modified by the azobenzene. The photosensitive hydrogel disclosed by the invention is good in biocompatibility and easy to prepared, and can be applied to the fields of preparation of photoswitches, optically-controlled motors, release of optically-controlled medicines and the like.

The invention relates to a planted roof and a construction method thereof. The invention can effectively solve the roof problems of water resistance, heat insulation and crop and flower planting. The roof comprises a roof layer and a waterproofing membrane, wherein the roof layer is provided with a sloping layer which is provided with a leveling layer; the leveling layer is provided with the waterproofing membrane; a root resistant waterproof layer is arranged between the waterproofing membrane and a drainage layer; an isolation filtering layer is arranged on the drainage layer and is provided with a planting medium layer; plants are planted on the planting medium layer to form a plant layer; the circumference of the roof layer has a dead wall which is connected integrally and is higher than the planting medium layer. The construction method comprises the following steps: cast-in-situ reinforced concrete is made into the roof layer and then the leveling layer is prepared; coiled material is made into the waterproofing membrane and the root resistant waterproof layer arranged thereon after bail moist conservation; when leakage stops, the drainage layer, the isolation filtering layer and the planting medium layer are laid down immediately. The planted roof has high quality and long service life and can save land, thereby having enormous social benefits and economic benefits.

The invention relates to a preparation method of a cellulose nanofiber. The method comprises the following steps: with wood fiber biomass as a raw material, presoaking, and carrying out steam explosion pretreatment; carrying out high-temperature hydro-thermal treatment on pretreated materials; hydrolyzing hemicellulose, and carrying out washing suction filtration to obtain hemicellulose hydrolysate and filter residues rich in lignin; putting the filter residues into a high-pressure reaction kettle, adding an ethylene glycol solution, heating and extracting the lignin from the residues with ethylene glycol; extracting and carrying out solid-liquid separation to obtain a lignin extract liquid and cellulose solid; carrying out enzymolysis on the cellulose solid with cellulase and removing an amorphous region of the cellulose to obtain cellulose crystal; and carrying out high-pressure homogenizing on the cellulose crystal to obtain a cellulose nanofiber product. The cellulose nanofiber prepared by the method has the advantages of nanoscale, large specific surface area, high activity and high security.

The invention relates to the preparation field of polymer material, aiming at providing the improvement of the preparation method of fluorescent pigment latex. The fluorescent pigment latex prepared by the method has fine particle diameter, uniform distribution, bright color and luster, and also excellent properties of temperature resistance, acid-base resistance, and sun and weather resistance. The technical proposal is as follows: the preparation method of the fluorescent pigment latex comprises the following steps of: 1. preparing a solution system: adding water into a reactor, and stirring for dissolution after sequentially adding a dispersant, a surfactant and a fluorescent dye, thus forming a uniform solution system; 2. adding monomers into the solution system, and stirring to form a uniform emulsified liquid system; and 3. adding an initiator after heating the prepared emulsified liquid system until the temperature is raised to 40 to 100 DEG C, and preparing the required product by polyreaction.

The invention discloses a polar electricity dust removing device with bagged dust collection, which comprises a dust remover shell, a smoke gas inlet, a uniform air board, a smoke gas outlet, dust buckets, filtering bags, electrode wires and a high-voltage insulating compartment, wherein, a plurality of rows of cloth bags are evenly arranged at interval inside the shell, and the high-voltage electrode wires are arranged at the circle center of a concentric circle of every four cloth bags and connected with a power source through the high-voltage insulating compartment arranged at the top of a dust remover; the uniform air board is arranged under a plurality of rows of filtering bags at the lateral wall of the dust remover shell close to the smoke gas inlet, multiple levels of dust buckets are arranged under the multiple rows of filtering bags, and the smoke gas outlet is arranged above the multiple rows of filtering bags at the lateral wall of the dust remover shell. The polar electricity dust removing device with bagged dust collection has the advantages of simple and unique structure, superior technical performance, smaller resistance, effective overcoming of the reverse corona phenomenon and good dust removing effect, etc. The polar electricity dust removing device with bagged dust collection improves the integral dust removing efficiency under the agglomeration action of electrostatic fields and the interception action of the cloth bags, effectively protects the filtering bags from being burned out by discharge sparks by adopting protective cage structure, and reduces device cost by substituting the steel polar plates with the filtering bags.

The invention relates to a clothes dryer, in particular to a safety clothes dryer with large-space structure , which comprises a clothes drying room, a hot air abating room, a hot air making room and a controller, wherein the clothes drying room, the hot air abating room and the hot air making room are respectively an independent part and are assembled in sequence from top to bottom. The hot air abating room is arranged below the clothes drying room and is a basin-shaped box with top opening, the bottom of the basin-shaped box is provided with an air intake connected with the hot air making room, an air-guiding safety cover is arranged at the top opening of the basin-shaped box and a clothes drying room installation device is arranged at the top opening of the basin-shaped box. The clothes drying room is composed of a bucket-shaped cloth cover, a support rack for supporting the bucket-shaped cloth cover, a basin-shaped box for forming the hot air abating room, a support member that is inserted connectively at the peripheries of the basin-shaped box and the support rack, a hot air making room, and bottom support feet. The clothes dryer has the advantages of large space, safety use, simple structure, convenient assembly / disassembly, transportation and installation, and that consumer can finish installation only in short time.

The invention discloses a garbage disposal waste heat power generation system with an internal steam pipe, which comprises a garbage gasifier and a turbine steam power generation device. The turbine steam power generation device comprises a steam generator, a steam discharge pipe, a steam drum, a steam turbine and a power generator, wherein the steam drum, the steam turbine and the power generator are sequentially connected, and the steam generator is arranged in the garbage gasifier and is of a cylindrical cage type structure comprising an upper annular pipe, a plurality of straight pipes and a lower annular pipe. As the steam generator is arranged in the garbage gasifier to realize primary heat exchange and a heat exchanger is additionally arranged in a flue gas channel to realize secondary utilization, heat generated in garbage disposal is used to the maximum extent, the technique with low heat utilization rate of a waste heat boiler for traditional garbage disposal steam power generation in the past is thoroughly changed, and garbage disposal heat recovery is maximized. Owing to a four-step hydraulic pusher, garbage is increasingly looser in the process of entering the garbage gasifier, and is not blocked.

The invention provides a regenerated silicon material as well as a preparation method and application thereof. The regenerated silicon material is prepared from 40 to 70 weight percent of silicon dioxide and 30 to 60 weight percent of oxide selected from phosphorus, calcium and sodium, wherein the silicon dioxide forms a three-dimensional network structure; calcium ions and phosphorus ions are orderly distributed among three-dimensional reticular silicon atoms, wherein five-valence silicon atoms and / or six-valence silicon atoms account for 1 to 10 mol percent of all silicon atoms; the content of phosphorus oxide is 2 to 5 weight percent; in addition, in an NMR (Nuclear Magnetic Resonance) graph, an absorption peak exists at a position of 200 to 220ppm. The regenerated silicon material rich in five valence coordinate silicon and six valence coordinate silicon can be formed at lower temperature and normal pressure, and has unique structures and performances. Besides, high-coordinate silicon atoms in the regenerated silicon material can make an ultraviolet absorption peak generate red shift.

The invention provides a tilling and seeding combination seed drill for sowing wheat, and relates to the technical field of agricultural rotary-cultivating and sowing machines. The combination seed drill comprises a machine frame and a mounted frame, a gear box, a rotary tillage mechanism, and a seeding mechanism and a seed delivering mechanism thereof, and is characterized in that: two or more than two seed tubes are arranged transversely and at intervals; the seed tubes are connected with underground seed transverse and even casting devices below which are arranged behind rotary tilling blade shafts. The combination seed drill has the advantages of unique and reasonable structure, integrated operations of fertilization, rotary tillage, seeding, ridge raising, compression, etc. with a tractor, labor and time conservation, energy conservation, improved working efficiency, reduced labor intensity, high utilization rate of nutrition, water and manure in soil, basically even seeding, uniform seeding depth meeting requirement of seeds for germination, creation of good environment for seed germination, great improvement on the germination percent of the seeds, and improvement on the growth quality and total output of wheat.

The invention relates to polysulfonamide core-spun and wrapped composite yarns produced in the textile industry. Core-spun yarns consist of core yarn polyester yarns and externally-wrapping polysulfonamide fibers, and flame-retardant viscose filaments wrap the core-spun yarns. A conditioning friction tight composite spinning device for the composite yarns comprises a pair of dust cage friction false twisters corresponding to each spinning spindle, wherein a dust cage consists of two thin-wall sleeves and is fixed on an internal air suction pipe; the internal air suction pipe is connected with a main air suction pipe through a rubber pipe; the main air suction pipe is connected with a negative pressure fan; a conditioning groove is formed above the dust cage; a core yarn tensioner and a core yarn bobbin are arranged above a front roller and a front rubber roller; and a wrapped yarn tensioner and a wrapped yarn bobbin are arranged above a yarn guide hook. The invention has the advantages that: the polysulfonamide core-spun and wrapped composite yarns have a unique structure, a few hairs and high strength and can replace the conventional plied yarns, doubling and twisting processes are eliminated, the ration of coarse yarns can be improved by 40 percent compared with that of the conventional process, the tearing strength of the prepared fabric can be improved, and the structure of a ring spinning frame is not changed when the device is adopted.

The invention provides a preparation method of an aluminum alloy-resin composite and an aluminum alloy-resin composite prepared by using the same. The preparation method comprises the following steps: S1. anodizing a pretreated aluminum alloy substrate to obtain an aluminum alloy of which the surface contains a nanoporous oxide film layer; S2. soaking the aluminum alloy containing the nanoporous oxide film layer obtained in the step S1 in an alkaline solution with the pH value of 10-13 to form corrosion pores on the outer surface layer of the oxide film layer, thereby obtaining the surface-treated aluminum alloy substrate; and S3. putting the surface-treated aluminum alloy substrate in a mold, injecting a resin composition into the mold to be combined with the surface-treated aluminum alloy substrate, and forming to obtain the aluminum alloy-resin composite. A unique double-layer stereoscopic porous structure can be formed on the surface of the aluminum alloy to enhance the binding force between the resin and the aluminum alloy; and the invention has the advantages of easier formation, basically no influence on the appearance of the aluminum alloy, wider application range and no environment pollution, and is more suitable for large-scale production.

The invention provides a profile steel stacking device, which comprises a transporting steel bar splitting unit (A), wherein the steel bar splitting unit also comprises a chain conveyer (1), a first driving device, a steel bar splitting device (2) and a first baffle plate, the steel bar splitting device (2) is driven by the first driving device, the first baffle plate is driven by the first driving device and the second driving device, the steel bar splitting device is arranged at the front end of a transporting frame, can be bounced and is projected out of the upper surface of a transporting machine, the first baffle plate (3) can do lifting movement under the driving of the second driving device, when the first baffle plate (3) is projected out of the upper surface of the transporting machine, profile steel on the transporting machine is prevented from continuously advancing, when the number of the blocked profile steel reaches the required number, and the steel bar splitting device (2) is bounced, so the profile steel between the steel bar splitting device (2) and the first baffle plate (3) is combined into one group. The profile steel stacking device with the steel bar splitting unit can meet the stacking of large-cross-section profile steel in different shapes, in addition, the work productivity can be greatly improved, and the work intensity of workers is lightened.