28 results about "Damage repair" patented technology

This invention discloses a tunnel segment damage repair device, comprising a base plate, clamping devices on both sides of the base plate, and a supporting excavation device on the upper side of the base plate. The supporting excavation device includes a support ring with stepped holes and anchor rods inside the stepped holes. A circular shaft is rotatably connected to the base plate, and the circular shaft is driven to rotate and move axially by a driving device. A disc is fixedly connected to the upper end of the circular shaft, and the disc has a slag discharge channel. A first blade is fixedly connected to the side wall of the slag discharge channel. A sliding groove is provided at the bottom of the disc, and a sliding plate is slidably connected within the sliding groove. A second blade is fixedly connected to the outer end of the sliding plate. A sliding block is slidably connected to the support ring, and a support rod is hinged between the sliding block and the sliding plate. This invention allows the support wheel to continue rolling onto a second arc block. Because the second arc block has the largest diameter, the outer contour of the second blade is the largest, exceeding the diameter of the segment rupture. This is suitable for excavation operations in confined spaces, facilitating the subsequent formation of stepped pouring blocks, and providing greater support strength than direct filling repair methods.

This invention provides a method for preparing an elastic self-healing surface-enhanced Raman (SERS) substrate, belonging to the field of SERS substrate preparation technology. The method employs a composite precursor constructed from dynamic covalent self-healing units, an elastomer matrix, carbon-based reinforcing fillers, noble metal nanoparticles, inorganic microspheres, and pore-regulating components. Solvent evaporation induces phase separation, followed by hot-pressing curing, to obtain an elastic self-healing SERS substrate with a predetermined porosity. This allows the SERS substrate to maintain high analyte enrichment capacity and Raman enhancement response even after damage repair. This method achieves a synergistic balance between improved detection efficiency, preserved self-healing performance, and long-term stability.

The application discloses a kind of red brick engraving image breakage repair 3D printing and assembly type repair process, it is related to cultural relic repair and 3D printing technical field, the specific steps of this process are as follows: first, prepare red brick bionic inorganic composite material 3D printing special material;Repair module 3D printing digital model containing main body and 0.3mm thick transition layer is then constructed using three-dimensional laser scanning;Then integrated printing and preliminary solidification;After that, texture profiling is handled;Finally, with the help of positioning tool, accurately align and embed, after fixing with glue, stand curing to complete red brick engraving image repair;The application prepares 3D printing special material, realizes that repair material is compatible with original brick material, combines accurate modeling, integrated printing to solve traditional repair problem, adopts texture profiling process to restore original texture, completes assembly solidification with precision positioning tool etc., uses assembly type repair, greatly improves the accuracy of red brick engraving image breakage repair etc., applicable to cultural relic repair and protection.

The application discloses a kind of conveying belt tear damage repair processes, comprising the following steps: S1: the tear damage area and periphery of conveying belt are carried out surface pretreatment;S2: coating primer is applied in the area after pretreatment;S3: after two-component oily polyurethane colloid is mixed uniformly, it is scraped and applied to the primer area;S4: the colloid after scraping and applying is preliminarily cured;S5: the repair area after preliminary curing is kept at constant temperature;S6: the repair area after curing is finished surface finishing, so that it is flush with the surface of conveying belt body.The application compared with prior art has the advantages that: provide a kind of conveying belt tear damage repair process capable of quickly repairing, thereby reducing loss, and guaranteeing the service life after maintenance.

The application discloses an aero-engine compressor blade damage on-site repair method in the technical field of compressor blade damage repair, adopts any one or a combination of two of the repair methods of the repair method or the symmetric shearing method, removes the damage on the blade without disassembling the blade disc, reduces the influence of the damage on the compressor performance, simultaneously prevents the damage from further expanding, and the repaired blade disc can continue to be used, increases the service life of the blade disc, and guarantees the safety during the use of the blade disc.

The application discloses a kind of tunnel structure damage repair to the evaluation method and system of influence on driving safety, comprising: constructing the tunnel repair scene after tunnel structure damage repair;Collect the visual characteristic information when driving personnel passes through the tunnel repair scene;According to the visual characteristic information, the regional visual characteristic value of driving personnel is calculated;The influence on driving safety is evaluated using the regional visual characteristic value, the greater the regional visual characteristic value, the smaller the influence on driving safety after tunnel structure damage repair;The smaller the regional visual characteristic value, the greater the influence on driving safety after tunnel structure damage repair.The application can quantify the influence of reinforcement and repair disposal result under different damage modes of tunnel on driving safety of driver, and guarantee the normal and safe operation of tunnel traffic.

This application relates to the field of spacecraft on-orbit maintenance technology, specifically to a space protective coating damage repair system, method, and handheld spraying device. Employing a closed-loop intelligent control mode, it achieves sub-millimeter repair precision for millimeter-level damage, significantly reducing reliance on astronaut operational experience and improving repair consistency and reliability. Simultaneously, the entire system design fully considers space constraints; the device is lightweight and robust, and the process requires no high-temperature heat sources or large amounts of solvents. Relying on photocuring and local atmosphere control technology, it perfectly adapts to the extreme environment of space microgravity, high vacuum, and wide temperature variations. The system highly integrates detection, processing, spraying, curing, and monitoring functions into a single-handed device. The modular design makes the system structure clear, its functions well-defined, and facilitates on-orbit maintenance, replacement, and upgrades.

This invention relates to the field of enameled wire production technology and discloses an enameled wire coating mold with self-cleaning and micro-damage repair functions, solving the problem of poor coating effect of bare copper wire. The mold includes a mold body, with a repair and cleaning mechanism at its end. The repair and cleaning mechanism has a rotating mechanism. The repair and cleaning mechanism includes a mounting ring located on the outside of the mold body. Multiple L-shaped pillars are fixedly connected at equal angles between the mounting ring and the end of the mold body. A slider is movably sleeved on the outside of each L-shaped pillar. Arc-shaped plates are fixedly connected to the front and rear positions of the mounting ring away from the mold body, and arc-shaped plates are fixedly connected to the upper and lower positions of the mounting ring near the mold body. This invention uses two brushes (one and two) to scrape away impurities from the surface of the bare copper wire, thereby improving the coating effect of the bare copper wire.

The utility model relates to the technical field of hot -blast machine for rubber dinghy, in particular to a kind of hot -blast machine for rubber dinghy damage repair, it is fixed to rubber dinghy by fixed mechanism and is limited fixed, repair mechanism is cooperated to repair rubber dinghy, press and smooth in the repair process to repair material, improve repair efficiency and effect;Fixed mounting frame is installed on workbench, fixed mechanism is provided on workbench, and fixed mechanism includes fixed plate, and fixed plate is slidably connected with workbench, two pressing plates are symmetrically slidably installed on fixed plate, adjusting screw is rotatably installed on two pressing plates, two screw holes are symmetrically provided on fixed plate, two adjusting screws are respectively screwed with two screw holes, two first sliding blocks are symmetrically fixedly installed on two pressing plates, a plurality of sliding slots are provided on fixed plate corresponding to a plurality of first sliding blocks, each first sliding block is slidably connected with corresponding sliding slot, and fixed plate moves by power mechanism to provide power.

This application relates to a cyanobacteria extract with photothermal damage repair effects, its preparation method, and its application, belonging to the field of cosmetic raw material technology. The cyanobacteria extract provided in this application can be used to balance the inflammatory and repair signaling pathways of skin cells after photothermal damage, and can be used to prepare skin care products with soothing, anti-inflammatory, and barrier-repair-promoting effects. It can synergistically balance the pro-inflammatory damage signaling pathway TLR4 / NF-κB axis and the survival-promoting repair signaling pathway HSP90 / PI3K-Akt axis simultaneously activated in skin cells after photothermal damage, targeting multiple points. This can more effectively control excessive inflammation, reduce secondary damage, and enhance the cell's self-repair ability. It is suitable for various scenarios such as sunburn, post-laser surgery, and thermal environment damage, and has significant technical advantages compared to existing technologies, with broad application prospects and huge market value.

Provided is a booth that includes a booth housing that defines an area for locating or positioning a vehicle to undergo a filling, priming, and / or painting operation as part of an overall vehicle collision damage repair process. The booth includes a first air handling system and a second air handling system that is in fluid communication with a tool. The first handling system includes an air intake, a plenum, a filter to filter air from the air plenum before that enters into the interior of the housing, and an air exhaust. The second air handling system includes flexible and static conduits that are in communication with each other and in communication with an air exhaust outlet for removing debris and particulate from the booth. A tool is carried by a carriage and support that permits movement of the tooling throughout the paint spray booth and is in fluid communication with the second air handling system.

This utility model discloses a repair and reinforcement structure for through-hole damage of G-UHPC panels, belonging to the field of building material repair and structural reinforcement technology. A homogeneous repair layer is formed by filling the damage with G-UHPC slurry containing 1.5% steel fiber. Reinforcement layers are then laid in stages on the repair layer based on the panel thickness: 50mm panels require only repair; 50-75mm panels are reinforced with concrete canvas to form a 14mm reinforcement layer; 75-100mm panels are reinforced with BFRP / CFRP fiber-reinforced fabric, with a 0.1mm adhesive layer connecting the reinforcement and repair layers; and 100-150mm panels are coated with a 3mm polyurea coating. This utility model achieves mechanical continuity between the repair layer and the original substrate, increasing the ultimate bending bearing capacity by up to 55%, achieving an impact energy of 25.6kJ, and a water penetration height of only 0.5mm, thus realizing efficient repair, flexible reinforcement, and excellent protective performance.

The application provides a method and system for repairing irradiation bubble defects, an electronic device and a storage medium, and relates to the technical field of irradiation damage repair. The repairing method comprises the following steps: applying a pulse current with preset current parameters to a to-be-repaired region of a target substrate to activate target atoms in irradiation bubble defects in the to-be-repaired region; applying an ultrasonic stress field with preset ultrasonic parameters to the to-be-repaired region within a first preset time after the application of the pulse current is completed; reducing the temperature of the to-be-repaired region to a target temperature range within a second preset time after the application of the ultrasonic stress field is completed; and performing laser impact on the to-be-repaired region based on a pulse laser with preset laser parameters to perform repairing processing on the irradiation bubble defects. The application can realize the repairing processing on the irradiation bubble defects through three-stage (activation stage, ultrasonic stress field stage and laser impact stage) cooperative processing.

This invention belongs to the field of biomedical technology and specifically relates to the use of divalent metal lactates in the manufacture of products for the prevention, improvement, repair, and treatment of nerve damage. Preferably, the divalent metal lactate includes one or more of the following: calcium lactate, magnesium lactate, zinc lactate, and ferrous lactate. This invention provides a novel treatment method for repairing damage to the central and peripheral nervous systems and has broad potential applications in the treatment and repair of central nervous system damage caused by trauma or other causes, or peripheral neuritis or peripheral nerve sensory abnormalities caused by viruses, diabetes, chemotherapy drugs, etc.

The application discloses a kind of micro-damage self-repairing polyester fiber sound absorption board and preparation method thereof, it is related to high molecular sound-absorbing material technical field.The sound absorption board includes polybutylene terephthalate, modified polybutylene succinate self-repairing microparticle, hollow three-dimensional curly polyester fiber, porous inorganic sound-absorbing filler, foaming agent, compatible agent, antioxidant and lubricant by mass fraction;The self-repairing microparticle has the core-shell-interface modification structure of low-melting-point polyester repair core layer, dopamine-silica hybrid intermediate layer and silane reactive outer layer.The sound absorption board has good sound-absorbing performance, interface bonding stability and micro-damage repair capacity.

The application discloses an ancient book restoration system and construction method based on adaptive damage modeling and diffusion inversion and application thereof, and relates to the technical field of digital image processing and digital protection of cultural heritage. The system integrates the damage modeling mechanism and the restoration model in the same system architecture, so that the model follows consistent damage-restoration logic in the training and reasoning stages. The system comprises an image acquisition and preprocessing module, a damage modeling module, a restoration learning module, an inverse restoration reasoning module, a restoration result output module, and the like, and is used for performing stage-by-stage inversion on the damaged image based on the output result of the restoration model module, gradually recovering the detail information of the ancient book image, and outputting the restoration result. The application truly simulates the gradual damage process of the ancient book in the actual preservation environment, the restoration process has continuity and controllability, and has high automation degree and practical value.

The application discloses a cleaning device and method for a damaged repair area of a honeycomb panel, relates to aviation manufacturing, and comprises a console, an operation platform arranged on the console, a pressing mechanism for pressing the honeycomb panel on the operation platform, a grinding mechanism comprising a mounting table, a grinder, a first driving assembly and a second driving assembly, so that the grinder top is attached to the damaged area of the honeycomb panel, a reinforcing mechanism comprising a mounting strip, a pipe and a fifth driving assembly, so that the pipe is inserted into the honeycomb hole at the edge of the grinding range to reinforce the honeycomb hole, an air pipe for being connected with an external air supply device, an observation mechanism arranged on the operation table, and a collection box inserted into the operation table.

The application discloses a kind of underground pipeline damage exempt from suspension repair structure and construction method, repair structure includes pipeline, plugging structure and drain pipe, the plugging structure is established on pipeline, covers on damaged location, the drain pipe is connected with plugging structure;The plugging structure includes cover and plugging piece, the cover is established at the damaged mouth of pipeline, and the damaged mouth is plugged, the plugging piece is established on cover, and the drain pipe is connected with plugging piece.The plugging structure of the application uses the cooperation of cover and plugging piece, plugging piece is not installed on cover when welding, avoid the defect that cover is inconvenient to weld due to excessive pressure, plugging piece is installed on cover after welding is completed to realize the plugging of damaged pipeline, realizes the quick, safe damaged repair operation under the condition that pipeline operation is not suspended.

The application provides a high-heat-resistance self-repairing epoxy resin based on a dynamic disulfide bond, a preparation method thereof, a fiber-reinforced composite material and application, and belongs to the technical field of intelligent composite materials. The preparation method comprises the following steps: S1. mixing bisphenol F diglycidyl ether and 4,4'-methylene di(N,N-diglycidyl aniline), heating and stirring until the mixture is uniform to obtain a mixed epoxy base; S2. mixing the mixed epoxy base with a curing agent 4,4'-diamino diphenyl disulfide, heating and stirring until the mixture is uniform, and then performing vacuum degassing treatment to obtain a prepolymer; and S3. performing a stepwise temperature rising curing reaction on the prepolymer to obtain the high-heat-resistance self-repairing epoxy resin. The high-heat-resistance self-repairing epoxy resin prepared by the application not only retains the inherent high strength and process stability of high-performance epoxy resins, but also is endowed with excellent intelligent damage repair function, the Tg of the high-heat-resistance self-repairing epoxy resin is much higher than that of conventional self-repairing materials, and the mechanical properties, heat resistance and high-efficiency self-repairing capability are simultaneously considered.

This utility model provides a rapid concrete repair device, relating to the technical field of bridge maintenance equipment. It includes: a frame with a machine stand mounted on it; a material storage box mounted on the machine stand; a pump body mounted on the machine stand, located in front of the material storage box; a motor mounted on the machine stand, located below the material storage box; and a rotating disc below the motor. Through the cooperation of a splined shaft and a first splined sleeve, the rotating disc drives a brush to rotate, thereby cleaning the concrete surface. Utilizing the elasticity of a compression spring, the brush can fully contact the concrete surface, effectively cleaning large particles of sand and soil within cracks. This prevents residual impurities from affecting the adhesion of subsequent repair materials, ensuring repair quality. This invention solves the problem in existing bridge concrete surface damage repair equipment where incomplete cleaning of large particles of sand and soil within concrete cracks leads to residual impurities affecting the adhesion of subsequent repair materials and reducing repair quality.

The present application belongs to the field of hair dyeing post-fixing and damage repairing, discloses a kind of glycoprotein and quaternary ammonium salt-80 synergistic fixing and repairing hair care composition and its preparation method, the composition is composed of plant source glycoprotein, quaternary ammonium salt-80, transglutaminase, acryl glycoprotein conjugate and PBS buffer solution;In the preparation process, glycoprotein and quaternary ammonium salt-80 are blended and adsorbed under mild conditions, then enzymatically catalyzed crosslinking, and homogenized by ultrasonic assistance, without organic solvent, green and environmentally friendly process;Acryl glycoprotein conjugate is prepared by coupling acryloyl chloride with glycoprotein hydroxyl group, which can further crosslink under the action of light and heat;The composition uses multi-layer biological membrane and enzymatic covalent network to realize long-lasting color fixing and micro-damage repair of dyed hair.

This invention discloses a DNA damage repair scoring method based on an adaptive heterogeneous graph attention network, comprising: S1. Acquiring genomic data and constructing a multidimensional omics feature matrix including gene expression scores, copy number variation scores, methylation scores, and somatic mutation scores; acquiring protein-protein interaction network data and constructing an adjacency matrix; S2. Capturing topological dependence features of the protein-protein interaction network through graph attention perception branches, screening high signal-to-noise ratio omics features through gating feature screening branches, and extracting deep semantic features through a multilayer perceptron; S3. Feature fusion to obtain high-dimensional fused features; S4. Outputting a predicted score. This invention solves the problem of functional directionality ambiguity, effectively preserves and enhances weakly expressed but functionally active gene signals, truncates false positive error edges, and overcomes the problem of "homogeneous redundancy".

The application discloses an in-situ hot airflow assisted cold spraying method, which adopts a double-arm manipulator or a linkage scheme of two single-arm manipulators, wherein the No.1 manipulator is responsible for clamping a spraying gun to prepare a cold spraying deposition body, and the No.2 manipulator clamps a hot airflow spraying gun to complete the deposition process of the in-situ hot airflow assisted cold spraying. First, according to actual requirements, the material selection for coating preparation, component additive manufacturing or damage repair is determined; second, a three-dimensional modeling software or a high-speed 3D laser profiler is used to create a three-dimensional geometric model of a deposition body, so as to plan a cold spraying track and create a spraying path of the No.1 manipulator; then, according to the requirements of the surface shape of the coating or component and the deposition performance, spraying process parameters are determined; finally, the spraying gun clamped by the No.2 manipulator and the movement track of the spraying gun clamped by the No.1 manipulator are coordinated and matched, so that the process of the in-situ hot airflow assisted cold spraying deposition is realized. The application has simple process and wide application range.

This invention discloses a method for preparing an all-weather biomimetic marine antifouling coating inspired by fluorescent squid, comprising the following steps: S1: preparation of UCN-Ag heterojunction powder; S2: synthesis of dynamic polyurethane prepolymer; S3: chain extension of dynamic polyurethane solution; S4: configuration and spraying of the composite coating. The coating of this invention achieves physical self-renewal of the surface based on ester hydrolysis, and autonomous repair of mechanical damage based on the reversible exchange of dynamic disulfide bonds and multiple hydrogen bonds. Simultaneously, it utilizes the synergistic effect of blue fluorescence excited by LAP in the dark with UCN-Ag to continuously generate reactive oxygen species under light-free conditions, further reducing bioadhesion. The antifouling coating prepared by this invention has a simple synthesis process and is environmentally friendly; it possesses advantages such as all-weather bactericidal and algal-resistant properties, autonomous damage repair, and long-term stability, and can be widely used for the protection of various marine equipment and facilities.

This invention discloses a method for repairing damaged holes in a variable-thickness steel tubular part for helicopters, belonging to the field of repair and remanufacturing technology. First, a hole-filling structure is prepared, comprising three parts: Part 1, Part 2, and Part 3. The hole-filling structure is made of the same or similar material as the helicopter tubular connector. Next, the small holes to be repaired on the connector are pre-treated, and X-ray inspection is used to confirm the absence of cracks around the holes. Based on this, this invention, by using a hole-filling structure of the same or similar material as the base material combined with electron beam welding, achieves hole damage repair without being limited by unilateral wear, avoids peeling, flaking, and cracking defects caused by excessive stress in the thick coating, and simultaneously solves the problems of uneven coating thickness and insufficient adhesion.

The utility model discloses a high strength wear -resisting cable for warship relates to warship equipment and marine engineering technical field. The high strength wear -resisting cable for warship, the stress dispersion effect of carbon nanotube, aramid twisted structure and graphene film of reinforcing layer combines, makes cable anti -impact performance promotion 40%, can bear 1000g instantaneous acceleration impact, solves the contradiction of rigid and easy to fold, soft and insufficient strength, the distributed optical fiber of intelligent detection layer and composite shielding layer can real -time monitoring temperature, strain and electromagnetic interference, realizes millimeter level fault location, the hollow glass bead repairing agent of repair layer releases and solidifies automatically when damage, completes micro -damage repair within 30 minutes, and the wear resistance restores above 80%, and the biological adhesion inhibition rate of cooperation biological protection layer 90%, makes maintenance cycle to extend 3 times above, compared with the passive maintenance mode of traditional cable, the fault risk of warship electrical system is reduced greatly, provides long -term safety guarantee for high -end warship equipment.

The application discloses a weather-resistant and anti-aging master batch for PE drainage pipe materials and a preparation method and application thereof, and relates to the technical field of plastic master batches. The master batch comprises the following raw materials in parts by weight: carrier resin 50-60 parts, loaded weather-resistant component 20-25 parts, modified lignin 5-10 parts, compatibility agent 3-6 parts, and lubricant 2-4 parts. The loaded weather-resistant component is mesoporous silica loaded weather-resistant additive. The modified lignin carries long-chain alkyl, aminothiourea group and disulfide bond. The mesoporous silica loaded weather-resistant additive in the application provides long-acting and stable free radical capture and ultraviolet shielding function. The modified lignin plays the roles of auxiliary anti-oxidation, metal ion passivation and damage repair through active functional groups. The two form a complementary and synergistic protective network in a polyethylene matrix, so that the thermal oxygen stability and light stability of the regenerated polyethylene composite material are obviously improved, and the service life of the regenerated polyethylene drainage pipe material is prolonged.

This invention relates to the field of molecular biology detection technology, specifically, to the application of a fluorescent fusion protein in the detection of DNA damage repair. The application includes: incubating the fluorescent fusion protein with a test sample and then performing fluorescence imaging to obtain the damage repair status of the DNA to be tested in the test sample; wherein the test sample contains the DNA to be tested; and the fluorescent fusion protein is formed by the fusion of a single-stranded DNA-binding protein and a fluorescent protein. This application not only enables in-situ detection of any DNA damage that exposes single-stranded DNA, but also provides accurate and quantifiable results. Furthermore, this invention is not limited to any species and can provide efficient visualization and quantitative analysis for DNA damage detection in various organisms.