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45results about How to "Guaranteed binding effect" patented technology

Titanium alloy surface strengthening wear-resistant layer and preparation method thereof

The invention relates to a titanium alloy surface strengthened wear-resistant layer and a preparation method thereof, and belongs to the technical field of wear-resistant coatings. The preparation method comprises the following steps: S1, preparing rare earth zirconate slurry and zirconium oxide slurry; s2, the surface of the titanium alloy is sequentially coated with zirconium oxide slurry, rare earth zirconate slurry and zirconium oxide slurry and dried, and bottom layer zirconium oxide, a rare earth zirconate layer and top layer zirconium oxide are formed on the surface of the titanium alloy; and S3, the dried surface of the titanium alloy is coated with laser scanning, so that the bottom zirconium oxide layer, the rare earth zirconate layer and the top zirconium oxide layer are clad on the surface of the titanium alloy, and the metal-based wear-resistant layer with rare earth zirconate spherical particles distributed in a dispersed mode is formed. The wear-resistant layer is prepared on the surface of the titanium alloy through laser cladding, the problem of poor interface bonding force between the wear-resistant layer and the titanium alloy does not exist, and the wear-resistant layer has wear resistance and enough toughness due to the spherical strengthening phase.
Owner:AVIC BEIJING INST OF AERONAUTICAL MATERIALS

Double-sided printing anti-counterfeit label

The utility model relates to a double-sided printed anti-counterfeit label, which aims at solving the technical problems that the current double-sided printed anti-counterfeit label is inflexible in turn-over operation and causes time waste, and comprises an anti-counterfeit label plate, a limiting support piece is rotatably mounted on the outer side of the anti-counterfeit label plate, and a positioning piece is fixedly arranged at the bottom of the limiting support piece. According to the anti-counterfeit label plate, the limiting round block on the limiting supporting piece is combined with the limiting round hole in the anti-counterfeit label plate, so that the anti-counterfeit label plate can be overturned conveniently, the reverse side of the anti-counterfeit label plate can be directly extruded and overturned when the reverse side of the anti-counterfeit label plate is applied, and the operation steps of pulling out, overturning and inserting are omitted; the anti-counterfeit label plate is simple in structure and convenient to use, operation time is effectively saved, the anti-counterfeit label plate can be limited by the aid of the positioning part, position fixation can be guaranteed without external force, and the anti-counterfeit label plate has the advantages of simplicity in turn-over operation, reduction of turn-over operation steps and saving of operation time.
Owner:SHENZHEN JIELONG SIGN

Full-spiral stirrup rectangular stand column

The full-spiral stirrup rectangular stand column is formed by jointly pouring a concrete rectangular frame column, a steel reinforcement framework and concrete, the steel reinforcement framework comprises longitudinal bars, large spiral stirrups, small circular spiral stirrups and tie bars, the large spiral stirrups are arranged on the inner side face of the concrete rectangular frame column in an attached mode, and the small circular spiral stirrups are arranged on the inner side face of the concrete rectangular frame column in an attached mode. The longitudinal bars are evenly arranged along the periphery of the rectangular section of the concrete rectangular frame column and connected with the inner edge peripheries of the large spiral stirrups and the inner edge peripheries of the small circular spiral stirrups respectively, and the tie bars are located between the small circular spiral stirrups and connected between the two opposite longitudinal bars. The structure breaks through the limitation that a traditional spiral stirrup is only suitable for a circular stand column, overcomes the defect that the spiral stirrup is applied to a rectangular stand column, and enables concrete at four corner points of the stand column to fully exert the restraining effect. The constraint effect of the spiral stirrups on concrete is fully exerted, the bearing capacity and ductility of the stand column are improved, mechanical automatic rolling forming can be fully utilized, the labor intensity and dependence on manpower are reduced, the accuracy of steel bar engineering and the quality and safety of the structure are improved, the industrialization degree is high, and good economic benefits are achieved.
Owner:SINTSZYAN TRANSPORTEJSHN KONSTRAKSHN GRUP KO LTD +2

An actuator and a bundling device for bundling stacked materials

ActiveCN118255001BRealize automatic strappingImprove work efficiencyActuatorWelding
The application discloses an execution mechanism for bundling and stacking materials and a bundling device. The execution mechanism comprises a head device and a relay device. The head device is used for feeding a belt around a first belt passing channel at a first corner. The relay device is used for receiving and fixing a bundling belt in the first belt passing channel and feeding the belt after receiving and fixing the end of the bundling belt in the first belt passing channel. The relay device is used for feeding the received bundling belt into a second belt passing channel around a second corner at a second corner. The head device is used for receiving the bundling belt in the second belt passing channel and tightening, welding and cutting the received bundling belt around the first corner and the second corner. The execution mechanism realizes automatic bundling of the stacking materials in multidimensional directions, has high working efficiency, saves manpower, reduces the bundling cost, and guarantees the bundling quality and the bundling effect.
Owner:JIANGYIN REDTEK PACKAGING EQUIP CO LTD

Prefabricated wallboard with mesh framework web and fabricated wall

The utility model provides a prefabricated wallboard with a mesh framework web plate, which comprises four frame plates, the four frame plates are connected to form a wallboard outer frame, a web plate is embedded in the wallboard outer frame, the web plate is a concrete plate with a mesh framework, the thickness of the concrete plate is smaller than that of the wallboard outer frame, and the mesh framework web plate is arranged in the wallboard outer frame. The mesh framework is a mesh framework or a composite mesh, and the four edges of the mesh framework are fixedly connected with the inner side plate faces of the four frame plates respectively. In addition, the utility model further provides an assembly type wall body formed by assembling the prefabricated wall panel. In the utility model, the wallboard adopts a combined structure of the wallboard outer frame and the mesh framework web, so that the wallboard has good structural strength, rigidity and stress performance, and the wallboard is convenient to produce, high in production efficiency and convenient for large-scale prefabrication production; and meanwhile, compared with steel bars, the mesh framework can effectively save steel consumption, so that the production cost of prefabrication of the wallboard is reduced.
Owner:WUHAN UNIV OF TECH +1

A high-strength refractory material and its preparation method and application

A high-strength refractory material and its preparation method and application, belonging to the technical field of refractory materials, the raw materials of the refractory material include fused corundum, high-alumina bauxite clinker, metal silicon powder, anti-cracking agent, titanium aluminum carbide and titanium carbide, etc., wherein the anti-cracking agent is prepared by modifying boron phenolic resin, mesophase asphalt, artificial graphite powder and silicon carbide fiber. The refractory material of the present invention adopts metal silicon powder to improve wear resistance and oxidation resistance, titanium aluminum carbide to improve oxidation resistance, titanium carbide to improve strength, and anti-cracking agent after surface modification and film formation to greatly improve thermal shock resistance and reduce thermal expansion rate and slag erosion rate. In addition, adding titanium aluminum carbide can improve strength and thermal shock resistance to a certain extent, has good oxidation resistance, and improves erosion resistance. The refractory material can be used for high carbon steel and low carbon steel, and is particularly suitable for casting high oxygen steel, calcium treated steel and high manganese steel.
Owner:HANDAN GUIQIANHENG MASCH MFG CO LTD

A prefabricated vertical support retaining wall based on recycled concrete and its construction method

The present invention relates to the technical field of slope support. The purpose of the present invention is to provide a prefabricated vertical support retaining wall based on recycled concrete and a construction method thereof, comprising a plurality of H-shaped steels and a concrete base; the H-shaped steels are arranged at intervals, and their openings are arranged oppositely, an excavation area is formed between the relative openings of two H-shaped steels, a plurality of prefabricated sandwich columns are inserted in the excavation area, the transverse cross-section of the prefabricated sandwich columns is T-shaped, and comprises a front stopper, a rear stopper and a sandwich part connected between the front stopper and the rear stopper, and a steel cage is also pre-embedded in the prefabricated sandwich column; each front stopper forms a retaining wall, and the steel cages at both ends of the excavation area are welded with lateral force-transmitting steel plates; a plurality of horizontal force-transmitting steel bars are fixed on the steel cage, a fixing groove is provided on the top of the concrete base, and steel slide plates are provided at both ends of the concrete base, the structure has strong integrity, high construction efficiency, has excellent economic benefits, and solves the problem of practical application of recycled concrete.
Owner:ARCHITECTURAL DESIGN INST FUKIEN PROV +2

Electrochemical sensor, graphite foil electrode for monitoring carbendazim and preparation method thereof

The present invention relates to an electrochemical sensor, a graphite foil electrode for monitoring carbendazim and a preparation method thereof, wherein the graphite foil electrode for monitoring carbendazim comprises: a graphite foil substrate and graphene nanosheets vertically and uprightly distributed on the surface of the graphite foil substrate, wherein the graphene nanosheets and the graphite foil substrate are seamlessly connected; the graphene nanosheets and the graphite foil substrate are prepared by electrochemical stripping of a piece of graphite foil; the oxygen content in the graphite foil electrode is 15%-25%; and the nitrogen content is 3%-10%. The beneficial effect is that the graphite foil electrode, as a self-supporting electrode, can be directly used as a working electrode of an electrochemical sensor. The cost of the raw material graphite foil is low, the preparation method of the graphite foil electrode is simple, the electrode has high reusability, and has good application prospects.
Owner:ZHAOQING UNIV

Hollow fiber filtering assembly

The utility model discloses a hollow fiber filtration subassembly relates to filtration equipment technical field, including hollow membrane bundle and hollow tube, hollow tube includes inner cavity, surrounding the tube wall of inner cavity, port and is provided the side opening on the tube wall, hollow membrane bundle is provided in the inner cavity, hollow membrane bundle includes filtration portion and is provided the encapsulation portion of filtration portion end portion, and the encapsulation portion is provided with the side opening on the tube wall. The filtering part comprises a plurality of hollow membrane wires which axially extend and are independently arranged, the filling and sealing part comprises a communicating area and a fixing area formed by curing a filling and sealing material, the fixing area is used for fixedly connecting the communicating area to the pipe wall of the hollow pipe, a baffle is arranged between the hollow membrane bundle and the side opening, and the baffle comprises an embedded area extending into the fixing area and a free area not extending into the fixing area; a channel is formed in the embedded area, and the fixing area extends into the channel in the radial direction to form a bridging part. According to the scheme, the stability and reliability of connection between the baffle and the pipe wall can be improved, the technological operation is simple, and the implementation cost is low.
Owner:HANGZHOU COBETTER FILTRATION EQUIPMENT CO LTD

Light-gram-weight biaxial flow guide fabric

The utility model relates to the technical field of glass fiber products, in particular to a light-gram-weight biaxial flow guide fabric which comprises a first main yarn layer, a second main yarn layer and a framework layer laid between the first main yarn layer and the second main yarn layer, and the laying angles among the first main yarn layer, the second main yarn layer and the framework layer are different. Due to the existence of the framework layer, a gap exists between the first main yarn layer and the second main yarn layer, resin can permeate conveniently, the flow guide effect is achieved, and the flow guide and combination effects of a final product between pultrusion plates are effectively guaranteed; the framework layer serves as an auxiliary layer and plays a role in supporting the fabric and preventing the fabric from deforming, the adjacent first main yarn layer and the second main yarn layer have certain supporting force, the problem that the biaxial fabric is prone to deformation is solved, optimization of the blade structure is achieved, the blade can keep a stable shape when bearing wind power and other external acting force, and the service life of the blade is prolonged. And the structural strength and stability of the blade are improved.
Owner:CHANGZHOU HONGFA ZONGHENG ADVANCED MATERIAL TECH CO LTD

A fire-resistant base material containing biomass fibers, an integrated fire door core, and a method for manufacturing the same

PendingCN122500819AImprove mechanical propertiesideal fire resistance
This invention discloses a fire-retardant substrate containing biomass fibers, an integrated fireproof door core, and its preparation method, belonging to the field of fireproof doors. The fireproof substrate of this invention introduces cellulose fibers into the adhesive layer of an inorganic filler matrix system of magnesium sulfate, magnesium hydroxide, and calcium hydroxide, and incorporates a specific styrene-acrylate copolymer. Simultaneously, the length of the cellulose fibers and the two key inorganic fillers, magnesium sulfate and magnesium hydroxide, are controlled, allowing the three to form a synergistic compatibility and cross-linking effect in the adhesive layer. This effectively optimizes the distribution of the overall components in the adhesive layer. While ensuring the interlayer bonding and flame-retardant performance of the resulting product, the waterproof effect of the adhesive layer is significantly improved without the need for waterproofing or water-absorbing agents. The fireproof substrate has good interlayer connectivity, high regularity, and strong durability. The product does not experience significant performance degradation even after long-term storage or in humid environments.
Owner:ZHONGSHAN FUMEN WOOD PROD CO LTD +1

Silicone grafted hyperbranched polyethylene and its use in the preparation of low-leakage paraffin-based thermally conductive phase change materials

PendingCN122810315Areduce entanglementReduce melt viscosity
The application discloses a siloxane grafted hyperbranched polyethylene and application thereof in preparation of a low-leakage paraffin-based heat-conducting phase change material. The application provides a siloxane grafted hyperbranched polyethylene, which is obtained by copolymerization of ethylene and vinyltriethoxysilane according to a 'chain walking' polymerization mechanism and catalyzed by a Pd-diimine catalyst. The application provides application of the siloxane grafted hyperbranched polyethylene in preparation of a low-leakage paraffin-based heat-conducting phase change material. The application synthesizes the siloxane grafted hyperbranched polyethylene with crosslinking characteristics, uses the same to be compounded with paraffin, and forms a three-dimensional network structure through subsequent crosslinking, thereby effectively restricting macroscopic flow of paraffin above a phase change temperature, and significantly improving shape stability and anti-leakage performance of the composite material. Meanwhile, flake graphite is introduced to construct an efficient heat-conducting path, and the overall heat-conducting coefficient of the material is improved.
Owner:ZHEJIANG UNIV OF TECH +1

Silica gel braided wire with binding structure

The utility model provides a silica gel braided wire with a binding structure, which relates to the technical field of cable binding, and comprises a wire body, the surface of the wire body is provided with a restraining component, the restraining component is bound on the surface of the wire body through a magic tape to restrain the wire body, the wire body comprises a plurality of core wires, the surfaces of the plurality of core wires are sleeved with silica gel sleeves, and the silica gel sleeves are sleeved on the surfaces of the plurality of core wires. The surface of the silica gel sleeve is sleeved with a braid layer, the core wire comprises a wire, the surface of the wire is provided with an insulating layer, the restraining component comprises a lantern ring, the lantern ring is sleeved on the surface of the wire body, the surface of the lantern ring is fixedly connected with a connecting plate, and the connecting plate is provided with a hook-and-loop fastener through a connecting component. According to the utility model, when the wire body needs to be stored, the wire body is wound to form a coil, then the Velcro is bound on the coil to fix the coil, and the Velcro in the restraining component is detachable, so that the Velcro can be quickly replaced to keep the restraining effect on the wire body when the Velcro loses viscosity.
Owner:NINGBO JIALI ELECTRIC WIRE CO LTD

Multifunctional working vehicle for livestock farm

The application discloses a kind of multi-functional operation vehicle of livestock production house in the technical field of livestock operation vehicle, including base, computer, identification stick and tail cutter;The application is in the process of pig farm breeding, when other operations are carried out after piglets are fixed, temporary storage basket and push plate are used, push plate is moved to make push plate and piglet side fit, so that the range of temporary storage basket is reduced, the activity range of piglet is reduced, the activity range of piglet is difficult to control, then by turning temporary storage basket, piglet is bound by binding belt, it is favorable to bind piglet when piglet is inspected, tail cutting or castration and other operations, limit the activity of piglet, reduce the possibility that piglet suddenly runs away or shakes when being inspected and other operations, ensure the normal operation, avoid piglet to suffer additional injury, and after temporary storage basket is turned by a certain angle, limit binding belt by moving plate and locking nail, so that binding belt cannot continue to unfold.
Owner:SHANGHAI HUMU INFORMATION TECH CO LTD +2

Internal wiring type electric lifting stand column

The utility model discloses an internal wiring type electric lifting stand column which comprises a telescopic sleeve and a transmission assembly arranged in the telescopic sleeve, the transmission assembly drives the telescopic sleeve to stretch out and draw back, the telescopic sleeve comprises an inner pipe, a middle pipe and an outer pipe which are sequentially connected in a sleeved mode from inside to outside, and a cable penetrates through the interior of the telescopic sleeve. The cable comprises a first guiding section guided by the first guiding piece and connected with the upper end of the electric lifting stand column, a second guiding section guided by the second guiding piece and connected with the lower end of the electric lifting stand column, and a transition section connected between the first guiding section and the second guiding section. The first guiding section is driven by the upper end of the electric lifting stand column to vertically slide relative to the second guiding section, the length of a cable is adjusted through deformation of the transition section, an insulating cabling rack connected with the middle pipe is arranged between the inner pipe and the transmission assembly, and the insulating cabling rack is provided with an isolation cavity with the upper portion and the lower portion open. When the length of the cable is in a shortened state, the first guide section, the second guide section and the transition section are all located in the isolation cavity.
Owner:NINGBO HAISHIKAI DRIVER TECH CO LTD

Plastic ceramic pug added with coffee grounds and preparation method of plastic ceramic pug

The invention provides plastic ceramic pug added with coffee grounds and a preparation method of the plastic ceramic pug, and belongs to the technical field of ceramic pug. Comprising ceramic pug and a plant matrix infiltrating into the ceramic pug, wherein the ceramic pug is prepared from the following raw material components in volume density: 1300 to 1500 kg / m < 3 > of clay, 250 to 300 kg / m < 3 > of quartz, 100 to 200 kg / m < 3 > of potassium albite, 300 to 500 kg / m < 3 > of coffee grounds, 100 to 200 kg / m < 3 > of latex and 300 to 400 kg / m < 3 > of water; the plant substrate is prepared from the following raw material components in volume density: 70-100 kg / m < 3 > of coffee grounds, 24-40 kg / m < 3 > of water and 1-5 kg / m < 3 > of plant fibers, and the coffee grounds comprise at least one of calcined coffee grounds and uncalcined coffee grounds; the plastic ceramic pug added with the coffee grounds has the characteristics that the materials are easy to obtain, the cost is low, the plant material characteristics of the coffee grounds are fully utilized on the basis of ensuring that the ceramic material can be formed, the pug structure is improved, and new pug is formed after firing.
Owner:SHANDONG AGRI & ENG UNIV

Horizontal continuous casting multicore crystallizer

ActiveCN224389947URealize continuous casting processingGuaranteed binding effectThermodynamicsProcess engineering
The utility model provides a kind of horizontal continuous casting multicore crystallizer, comprising: mould body, the inside of mould body is equipped with first run, second run, forming area and first cooling flow channel and second cooling flow channel;The inside of first run is equipped with core print, and core print has multiple forming holes;Forming area is between first run and discharge port, and first run, forming area and discharge port are coaxial and sequentially communicated;Second run is communicated second metal liquid import with forming area;First cooling flow channel is located in the outer periphery of the side wall of the region where core print is and is communicated first cooling liquid circulation import with first cooling liquid circulation export;Second cooling flow channel is located in the outer periphery of forming area and is communicated second cooling liquid circulation import with second cooling liquid circulation export.The utility model realizes the continuous casting processing of multicore heterogeneous composite metal piece, and can guarantee the interface bonding effect of two kinds of metals.
Owner:ZHEJIANG METALLURGICAL RES INST

Internal glue injection type stability augmentation anchoring part sleeve

ActiveCN222598464UGuaranteed binding effectImprove fastnessMechanical engineeringComposite material
The utility model discloses an inner glue injection type stability augmentation anchoring part sleeve which comprises a sleeve body, an inner clamping ring and an outer clamping piece. A plurality of expansion notches are formed in one end of the pipe body and evenly distributed in the circumferential direction of the pipe body. The inner clamping ring is fixedly arranged on the inner wall of the pipe body, the size of the end, connected to the pipe body, of the inner clamping ring is larger than that of the other end of the inner clamping ring, and a plurality of through notches are formed in the inner clamping ring and evenly distributed around the axis of the pipe body. A plurality of outer clamping pieces are fixedly arranged on the outer wall of the pipe body, the outer clamping pieces are evenly distributed around the axis of the pipe body, and through notches are formed in the positions, corresponding to the outer clamping pieces, of the pipe body. The inner clamping ring with the through notch is arranged on the inner wall of the pipe body, after glue injection, glue liquid can promote deformation of the inner clamping ring to improve the fastening effect, the inner clamping ring is located in solidified glue, the combination effect of the inner structure and the outer structure is effectively guaranteed, and the fastening force is improved.
Owner:ANHUI SHENZHOU BUILDING MATERIALS GRP CO LTD

Multi-layer paperboard combined binding pin rotating device and pin rotating process thereof

PendingCN119526820Aachieve fixationGuaranteed binding effectBox making operationsPaper-makingCartonPaperboard
The device comprises a main mounting assembly, an auxiliary operation assembly is arranged at one end of the main mounting assembly, an anti-skid assembly is arranged on the auxiliary operation assembly, and an auxiliary groove is formed in the end, away from the main mounting assembly, of the auxiliary operation assembly; a nail connecting and fixing assembly is arranged at the end, away from the auxiliary operation assembly, of the main installation assembly. Compared with the prior art, the leg rotating device has the beneficial effects that the leg rotating device is ingenious in structural design, high in practicability and quite convenient to use, by means of the leg rotating device and the leg rotating technology thereof, multiple layers of paperboards can be quickly bound together, the binding efficiency of the multiple layers of paperboards is effectively improved, meanwhile, in the carton binding process, the carton is prevented from being damaged, and the service life of the carton is prolonged. And the qualified rate of multi-layer paperboard binding is ensured.
Owner:WUXI XINSHENG PACKAGING MATERIALS TECH CO LTD

Iron-containing binder for metallurgical pellet preparation and preparation method of iron-containing binder

The invention discloses an iron-containing binder for metallurgical pellet preparation and a preparation method of the iron-containing binder, and belongs to the technical field of metallurgy. The iron-containing binder comprises the following components: 20-50% of cobalt smelting waste residue and 50-80% of bentonite. The preparation method of the iron-containing binder comprises the following steps: step 1, weighing the bentonite, and adding water to prepare a turbid liquid; 2, cobalt smelting waste residues are added into the turbid liquid, sufficient stirring is conducted, and standing is conducted for a period of time; and 3, carrying out separation and purification by using a centrifugal machine, compacting the purified solid matter, extruding by using a screw extruder, and loading into a sample bag for aging after the extrusion is completed. 4, after aging is completed, drying, smashing and sieving are conducted, and then the iron-containing binder is obtained, the binder is good in binding performance and few in residue, when the binder is used for iron ore pellet preparation, the strength of roasted pellets and the iron grade of pellet ore can be remarkably improved, the iron-making economic benefits are improved, and volume reduction, harmless and resourceful treatment of cobalt smelting waste residues is achieved.
Owner:ANHUI METALLURGICAL TECH VOCATIONAL COLLEGE

Peninsula antibacterial elastic composite fiber and preparation method thereof

The present application relates to the technical field of composite fibers, and discloses a peninsula antibacterial elastic composite fiber and a preparation method thereof.The fiber is composed of a base and islands semi-inlaid on the base, the base is composed of a rigid component and a porous inorganic antibacterial agent, and the islands are elastic components.The elastic components in the fiber are not subjected to antibacterial treatment, and only the base is subjected to antibacterial treatment.The porous inorganic antibacterial agent is used for antibacterial treatment, the porous inorganic antibacterial agent modifies the base to form a moisture absorption gradient between the base and the islands, so that moisture is enriched from the islands to the base after contacting the fiber, and the reproduction of microorganisms has a tendency to water, so that the microorganisms are transferred from the islands to the base and are inhibited and killed by the porous inorganic antibacterial agent.The elastic components are not affected, and the elastic performance is excellent, and meanwhile, the porous inorganic antibacterial agent can also make the whole fiber have excellent antibacterial effect, so that the peninsula fiber has excellent elasticity and antibacterial property, and in addition, the fiber also has excellent moisture absorption and sweat releasing performance.
Owner:ZHEJIANG ANSHUN PETTECHS FIBER CO LTD

Prefabricated vertical supporting retaining wall based on recycled concrete and construction method thereof

The invention relates to the technical field of slope supporting, and aims to provide a prefabricated vertical supporting retaining wall based on recycled concrete and a construction method thereof, the prefabricated vertical supporting retaining wall comprises a plurality of H-shaped steel and a concrete base; the H-shaped steel is arranged at intervals, openings of the H-shaped steel are oppositely arranged, an excavation area is formed between the opposite openings of the two H-shaped steel, a plurality of prefabricated sandwich columns are inserted in the excavation area, the transverse section of each prefabricated sandwich column is in a T shape, each prefabricated sandwich column comprises a front blocking part, a rear blocking part and a sandwich part connected between the front blocking part and the rear blocking part, and a reinforcement cage is further embedded in each prefabricated sandwich column; all the front blocking parts form a soil blocking supporting wall, and lateral force transmission steel plates are welded to the positions, at the two ends in the excavation area, of the reinforcement cage; a plurality of horizontal force transmission steel bars are fixed to the reinforcement cage, a fixing groove is formed in the top of the concrete base, steel sliding plates are arranged at the two ends of the concrete base, the structural integrity is high, the construction efficiency is high, excellent economic benefits are achieved, and the problem of practical application of recycled concrete is solved.
Owner:ARCHITECTURAL DESIGN INST FUKIEN PROV +2

A device and method capable of realizing multiple laser shot peening forming under a rigid constraint layer

ActiveCN115945776BGuaranteed binding effectavoid damageLaser beam welding apparatusBlack paintMotion system
The present invention provides a device and method for realizing multiple laser shot peening forming under a rigid constraint layer, including a motion system, a laser shot peening strengthening system, a laser heating and temperature rising system, a particle flow system and a working tank, wherein a workpiece to be processed is installed in the working tank, and the working tank and the particle flow system are connected to form a closed loop, and the charged black paint particles are adsorbed on the surface of the workpiece to be processed through the particle flow system; the laser heating and temperature rising system is used to make the charged black paint particles form a black paint deposition layer on the surface of the workpiece to be processed; the laser shot peening strengthening system is used to perform laser shot peening on the surface of the workpiece to be processed. The present invention utilizes the characteristic that small charged particles are easily adsorbed on the metal surface, and adopts the method of nanosecond pulse laser heating to melt and deposit tiny black paint particles at designated positions, thereby realizing timely replenishment of the absorption layer and precise control of the thickness of the absorption layer.
Owner:JIANGSU UNIV

Binary field lattice-based linear homomorphic signature method and system

The invention discloses a binary field lattice-based linear homomorphic signature method and a binary field lattice-based linear homomorphic signature system. The method comprises the following steps: generating system parameters required by the signature method; generating a public key and a private key of a signer by using the generated system parameters, generating a signature by using the private key, and verifying the signature by using the public key; the message is signed by using system parameters, a public key and a private key, and the signature can ensure the integrity and authenticity of the message; verifying the generated signature; and combining a plurality of verified messages into one message, and combining a plurality of signatures corresponding to the messages into one signature. The system comprises a system parameter generation module, a key generation module, a signature module, a verification module and a signature combination module. Compared with an existing lattice-based linear homomorphic signature method, the lattice-based linear homomorphic signature method has the advantages in the aspects of efficiency and safety.
Owner:ENG UNIV OF THE CHINESE PEOPLES ARMED POLICE FORCE

1.8 / 3kV wind power cable accessory

A 1.8 / 3kV wind power cable accessory comprises a three-finger sleeve, a cold contraction insulation tube and a wiring terminal, the three-finger sleeve is used for a conductor core obtained after a part of a cable is stripped to penetrate through, only the part, with an outer insulation layer stripped, of the cable is inserted into the three-finger sleeve, the cold contraction insulation tube is arranged outside the extended conductor core in a sleeving mode and inserted into a finger sleeve of the three-finger sleeve at the same time, and the wiring terminal is connected with the three-finger sleeve. The three-finger sleeve further comprises a grounding wire which is arranged on a steel armor layer of the part, where only the outer insulating layer is stripped, of the cable, and a fixing mechanism which is used for fixing the grounding wire arranged on the steel armor layer of the cable is inserted into the main body part of the three-finger sleeve. And the fixing mechanism is also assembled with the main body part of the three-finger sleeve. The beneficial effects of the utility model lie in that the grounding wire is fixed on the steel armor layer of the cable through the fixing mechanism, and the fixing mechanism and the three-finger sleeve can be assembled together, so that the movement form of the fixing mechanism can be limited after assembly, and the constraint effect of the fixing mechanism on the grounding wire can be maintained.
Owner:PHOENIX ELECTRIC POWER CO LTD

Nano photocatalytic coating for inhibiting peculiar smell adsorption

The invention relates to the technical field of photocatalytic coatings, in particular to a nano photocatalytic coating for inhibiting peculiar smell adsorption, which comprises the following components: a visible light response type composite photocatalyst, an interface enhancer, a bonding reinforcement phase and a porous carrier material, through the synergistic effect of all the components, the coating achieves the integrated functions of adsorption, degradation and stabilization. The porous carrier material selectively adsorbs peculiar smell molecules and enriches the peculiar smell molecules on the surface of the coating, so that sufficient reactants are provided for photocatalytic reaction; the visible light response type composite photocatalyst efficiently degrades enriched odor molecules under visible light, so that adsorption saturation of the carrier is avoided, and cyclic regeneration of adsorption sites is realized; the interface reinforcer and the bonding reinforcement phase ensure the structural stability and the interface bonding force of the whole coating system, and ensure long-term effectiveness of adsorption and catalytic performance. Due to the synergistic effect, the peculiar smell adsorption inhibition rate and the degradation rate of the coating both reach 80% or above, and the coating also has excellent binding force and aging resistance.
Owner:SHENZHEN XIN YUE TANG PLASTIC & HARDWARE CO LTD

Automatic packaging device for steel furniture

InactiveCN119660041Ashorten the timeReduce the probability of tiltBinding material applicationStrappingPortal frame
The invention relates to the technical field of packaging equipment, in particular to an automatic steel furniture packaging device which comprises a strapping machine body, the strapping machine body is provided with a strapping platform, the strapping platform is provided with a strapping station and a portal frame, and the strapping station is configured to be capable of receiving materials to be packaged; a first belt groove and a guide part are arranged on the inner side wall of the portal frame, the shape of the first belt groove is the same as that of the portal frame, and a strapping belt is inserted into the first belt groove during use; the guiding part is configured to be capable of prolonging the guiding distance of the strapping tape by the first tape groove. Through the arrangement of the guide part, the guide distance of the first belt groove to the strapping tape can be prolonged through the guide part when the to-be-packaged material is strapped, and then the probability that the strapping tape inclines can be reduced by reducing the time when the strapping tape is in a completely free state, so that the strapping tape does not deflect too much in the contraction process; the bundling effect can be guaranteed, and the reworking probability can be reduced.
Owner:LUOYANG DONGZHIXIN OFFICE FURNITURE CO LTD

A high-precision and high-performance brush material for micro motor and its preparation method

The present application relates to the field of micromotor brush materials, and specifically to a high-precision, high-performance brush material for micromotors and a preparation method thereof. The high-precision, high-performance brush material for micromotors is formed by continuous pressing and hot-rolling of a zinc-nickel copper layer and an AgPdCuPtRE alloy layer; the thickness ratio of the zinc-nickel copper layer and the AgPdCuPtRE alloy layer is 1:(0.05-0.3); the AgPdCuPtRE alloy layer is composed of the following components in mass percentage: 0.2-0.5% RE, 20-40% Pd, 20-40% Cu, 0.2-1% Pt, and the balance is Ag. The present application obtains a brush material for micromotors that takes into account both performance and precision by continuous pressing and hot-rolling of a zinc-nickel copper layer and an AgPdCuPtRE alloy layer.
Owner:SHANGHAI LONGSUN ALLOY CO LTD