222 results about "Damage repair" patented technology

A method of repairing a thermoplastic composite material is disclosed herein. The method includes placing the thermoplastic composite material on a supporting anvil, placing an energy transmission material on top of the thermoplastic composite material, and applying an ultrasonic welder to the thermoplastic composite material to consolidate and repair the thermoplastic composite material. Another method of repairing a thermoplastic composite material is disclosed herein. The method includes placing an energy transmission material on a supporting anvil, placing the thermoplastic composite material on top of the energy transmission material, and applying an ultrasonic welder to the energy transmission material to consolidate and repair the thermoplastic composite material.

The invention relates to the technical field of composite material damage repair, in particular to a method for repairing a composite material laminated plate with a fiber guiding characteristic. The repairing method comprises the following steps of pneumatic grinding, patch preparation, surface treatment, cleaning, adhesive film cutting, pasting, adhesive film curing, finishing and the like. According to the method, the adaptive patch is prepared by pneumatically polishing the rectangular cut hole of the stepped surface, the adhesive film is used for curing in the middle, and the adhesive layer is combined with the matched patch, so that a fiber-guided repairing structure is realized; under the condition that the structure repairing strength is guaranteed, the area for removing healthy mother board materials is reduced to the maximum extent, the probability of local stress concentration of a repairing bonding face is reduced, the machining difficulty is lowered, and the universality of repairing design application is improved. And by setting different step lengths, the stress load of the cementing repair surface is more uniform instead of being excessively concentrated on the 0-degree laying layer, so that the repair setting is more reasonable, and the service life of the repaired structure is prolonged.

The invention discloses a preparation method of a wave-absorbing adhesive for repairing a wave-absorbing honeycomb and a repairing method of the wave-absorbing honeycomb. The method belongs to electromagnetic wave-absorbing structure damage repair. The wave-absorbing honeycomb is used for preparing the wave-absorbing adhesive, and the preparation convenience can be improved while the complexity of a wave-absorbing honeycomb damage repair material system is reduced. In addition, by means of the repairing method, the influence of a repairing interface on the wave absorbing performance can be effectively reduced, and the original wave absorbing performance of the wave absorbing honeycomb can be better recovered.

The present invention relates to the technical field of aircraft absorbing honeycomb structure damage repair, specifically a method for repairing the electrical properties of damaged absorbing honeycomb cores, comprising the following steps: identifying and marking the outline of the damaged area of ​​the absorbing honeycomb core using nondestructive testing equipment; determining the material system, core cell dimensions, and electrical performance range based on the absorbing honeycomb core structural information; calculating the absorbing honeycomb core skeleton and the absorbing layer duty cycle based on the honeycomb core unit cell margins, wall thickness, and absorbing layer thickness; preparing a new absorbing honeycomb core corresponding to the size of the damaged area of ​​the absorbing honeycomb core, and using a cutting knife to cut along the periphery of the damaged area of ​​the absorbing honeycomb core to remove the damaged absorbing honeycomb core. The present invention selects a small, wave-transparent aramid paper honeycomb core as the skeleton, ensuring consistency with the absorbing honeycomb core material system and facilitating the restoration of mechanical properties. MATLAB mathematical calculation software can be used to calculate the target electrical properties of the adhesive under different small core structural parameters, enhancing the designability of the repair solution.

The invention relates to the technical field of cable surface repairing, and discloses a cable damage repairing device which is composed of a rack, a rotary cleaning module and an injection system. The rotary cleaning modules are symmetrically distributed on the two sides of the center line of the rack, a cleaning wheel capable of rotating automatically is arranged in a main shell of each rotary cleaning module, a swing arm and a push-pull piece are arranged on the periphery in the circumferential direction, the main shell and a push-pull piece lug plate are hinged to the two ends of each swing arm respectively, and the push-pull pieces can move in the radial direction of the rack. The power mechanism is assembled on the peripheral side of the main shell to drive the cleaning wheel to rotate; a variable-pressure box body of the injection system is nested with a piston push rod, the piston push rod is rigidly linked with a push-pull piece through a connecting piece, and a nozzle regulator is arranged at the exposed end; when the push-pull piece is centripetally gathered, the included angle of the swing arm is reduced to push the cleaning module to be separated backwards to generate linear cleaning force; synchronously, the piston push rod is pulled to compress the repairing agent liquid cavity, and the pressure kinetic energy is increased along with the displacement gradient of the push-pull piece; in the whole process, collaborative operation of cleaning and repairing is achieved through mechanical linkage.

The invention discloses a fiber composite material based on hydrogen bond self-repairing and conductive self-diagnosis and a preparation method of the fiber composite material, and belongs to the technical field of intelligent diagnosis and self-repairing fiber reinforced resin-based composite materials and preparation of the intelligent diagnosis and self-repairing fiber reinforced resin-based composite materials. According to the method, the problem that the self-healing effect cannot be timely obtained on the internal damage of the material due to the fact that the damage area cannot be accurately positioned and identified before the damage of the existing fiber composite material is repaired is solved. According to the invention, a quantum tunnel effect and a three-dimensional conductive skeleton are constructed by using a micro-nano multi-stage conductive filler composed of a nano carbon nanotube, micron flake graphite powder and unidirectional short carbon fiber, a damage occurrence position is realized based on an electro-mechanical corresponding relation, a self-sensing function is given, and accurate positioning of the damage is realized (the error is less than 1mm). A multiple reversible hydrogen bond system formed by acrylamide, polyethyleneimine and epoxy resin is further utilized, the self-repairing effect of the composite fiber material is achieved, and the test result shows that the self-repairing efficiency of at least 90% or above is achieved at the normal temperature.

The utility model discloses a high-pressure mechanical sealing surface damage repairing device which comprises a machine base, a gear motor is arranged on the upper portion of the machine base, a transmission shaft of the gear motor penetrates through the machine base, the lower portion of the transmission shaft is connected with an automatic feeding tool table, and a turning tool is arranged on the lower portion of the automatic feeding tool table. Fastening bolts are further arranged on the lower portion of the machine base, when the repairing device is installed, the machine base is fixedly installed on the overflowing part needing to be repaired, and it is ensured that fixation is compact. The device can be used for repairing a rotten and damaged sealing surface in an ore pulp pipeline system, so that field equipment can be put into use as soon as possible to recover production, and the production efficiency is improved.

The invention discloses a heterogeneous cultural relic fragment restoration method and system, a terminal and a storage medium, and the method comprises the steps: obtaining a plurality of to-be-restored cultural relic fragment images of a to-be-restored cultural relic, and carrying out the fragment source division processing of the plurality of to-be-restored cultural relic fragment images, and obtaining a plurality of source division compression packages; performing damage repair processing on the plurality of sub-source compressed packages to obtain a plurality of initial damage repair cultural relic images; and performing fragment splicing processing on the plurality of initial damaged and repaired cultural relic images to obtain a target damaged and repaired cultural relic image. According to the method, the to-be-repaired cultural relic fragment image is subjected to fragment source division processing, so that the cultural relic repairing accuracy and repairing efficiency can be effectively improved, further, the cultural relic after fragment source division processing is subjected to damage repairing processing and fragment splicing processing, repairing and reconstruction of the cultural relic fragments can be quickly realized, and the repairing efficiency of the cultural relic is improved. And the repairing effect of the cultural relic fragments is effectively improved.

The invention relates to the technical field of wind power blade maintenance and discloses wind power blade paint surface damage maintenance equipment and method.The wind power blade paint surface damage maintenance equipment comprises a moving trolley, a rotating disc frame is arranged on the moving trolley, and a grinding mechanism, a putty scraping mechanism and a spraying mechanism are arranged on the circumference of the rotating disc frame; a switching mechanism, a linkage mechanism, a reciprocating mechanism and an adjusting mechanism are further arranged on the moving trolley. The switching mechanism comprises a switching rack and a switching gear, and the switching rack is arranged on the mobile vehicle; the linkage mechanism comprises a driving assembly, a rotating assembly, a downward moving assembly, a rubber suction cup and a transverse rod. The effects of automatic polishing, putty scraping and spraying on the damaged part of the paint surface are achieved, so that the problem that manual repairing is needed is avoided, the position of a moving vehicle can be fixed while the moving vehicle can be automatically supported, and the working efficiency is improved. And the polishing mechanism, the putty scraping mechanism and the spraying mechanism can be automatically driven to move to the optimal working position.

The invention provides an irradiation bubble defect repairing method and system, electronic equipment and a storage medium, and relates to the technical field of irradiation damage repairing. The repairing method comprises the following steps: applying a pulse current with a preset current parameter to a to-be-repaired area of a target substrate so as to activate a target atom in an irradiation bubble defect in the to-be-repaired area; applying an ultrasonic stress field with preset ultrasonic parameters to the to-be-repaired area within a first preset time after the application of the pulse current is ended; within a second preset time after the ultrasonic stress field is applied, the temperature of the to-be-repaired area is reduced to a target temperature interval; and performing laser shock on the to-be-repaired area based on the pulse laser with the preset laser parameters so as to repair the irradiation bubble defect. According to the method, the irradiation bubble defect can be repaired through cooperative treatment of three stages (an activation stage, an ultrasonic stress field stage and a laser shock stage).

The invention provides a carrier rocket storage tank weld joint repairing method which comprises the following steps: aiming at a carrier rocket storage tank weld joint, firstly, filling a weld joint defect or damaged part in a friction stir additive mode; carrying out stirring friction treatment on the interface; and finally, laser shock or ultrasonic shock is adopted to further regulate and control residues of the repaired part, and therefore high-reliability repairing is achieved. Friction-stir additive filling repair and friction-stir treatment strengthening are conducted on the weak link of current storage tank weld defect or damage repair, a repair structure nearly free of metallurgical defects is obtained, meanwhile, the surface stress state of a repair layer is improved, the fatigue performance of a welded joint is remarkably improved, and the welding quality is improved. And therefore, the requirement of repeated use of the carrier rocket storage tank welding structure is met.

The invention discloses a prestressed concrete box girder bottom damage repairing and reinforcing structure and a construction method, and relates to the field of bridge reinforcing, the prestressed concrete box girder bottom damage repairing and reinforcing structure comprises an external prestressing tendon, a micro-expansion UHPC and a supporting steel plate, the external prestressing tendon is used for being connected with the micro-expansion UHPC in the girder length direction of a damaged concrete box girder, and the supporting steel plate is used for supporting the damaged concrete box girder. Tensioning and fixing at the top of a bottom plate of the damaged concrete box girder; the micro-expansion UHPC is used for filling a damaged area of a bottom plate of a damaged concrete box girder through a filling pipeline which is pre-buried on the bottom plate of the damaged concrete box girder in advance, and the filling pipeline comprises a mud jacking pipe and an exhaust pipe; the supporting steel plate is used for being anchored to the bottom of a damaged area of a damaged concrete box girder bottom plate in the beam length direction of the damaged concrete box girder. The external prestressing tendons, the micro-expansion UHPC and the supporting steel plates jointly form a stress system, and the bearing capacity of the damaged concrete box girder is remarkably improved.

Computer software and computer-implemented method for preparing an electronic data package in connection with a damaged vehicle for submission to the vehicle owner's insurance company for settlement of a claim or for use by an Original Equipment Manufacturer to determine compliance with established repair requirements. A computer-readable medium for storing executable software for preparing the package for a damaged vehicle, a computer system including the executable computer software stored in the computer-readable medium for preparing the package for a damaged vehicle damage are also disclosed. An electronic date package for vehicle damage repair is prepared by the computer-implemented method by executing the computer software stored in the computer-readable medium of a computer system.

The utility model, which relates to the technical field of circuit board repairing, discloses a folding and pressing damage repairing device comprising a machine table provided with a material carrying table, a fixing mechanism, a conveying mechanism, a repairing mechanism and an adjusting mechanism. When the material repairing device is used, a material to be repaired is placed on the material carrying table and fixed through the fixing mechanism, then the position of the repairing pressing head is adjusted through the adjusting mechanism, the bottom of the repairing pressing head is flush with the top face of the material, and then the conveying mechanism drives the material carrying table to move under the repairing pressing head. And when passing through the repairing pressure head, warped edges or bumps on the material are flattened by the repairing pressure head, so that the material is repaired by folding and pressing damage, manual repairing is not needed, and the repairing efficiency is improved.

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.

The invention discloses an evaluation device and method for the damage repair effect of an oil and gas well tubular column, and the device comprises a simulation tubular column which is provided with a containing cavity and a simulation leak; the pressure detection module is used for detecting the internal pressure of the simulation tubular column; the heating simulation assembly is used for heating the simulation tubular column; the pressurization simulation assembly is used for pressurizing the simulation tubular column; the spraying assembly comprises a pressure pump, a piston container, a connecting pipe and a spraying head which are sequentially communicated, the connecting pipe is provided with a shut-off valve used for controlling connection and disconnection of the connecting pipe, the spraying head stretches into the containing cavity through the connecting pipe, and the connecting pipe is configured to be capable of moving relative to the simulation pipe column so as to adjust the position of the spraying head relative to the simulation leak. By applying the method and the device, the actual repairing process of the pipe column in actual application can be more accurately simulated, and the accuracy of repairing effect evaluation is improved. And the repairing effect of the nozzle at different positions can be simulated, and the repairing process can be optimized.

A method of repairing a thermoplastic composite material is disclosed herein. The method includes placing the thermoplastic composite material on a supporting anvil, placing an energy transmission material on top of the thermoplastic composite material, and applying an ultrasonic welder to the thermoplastic composite material to consolidate and repair the thermoplastic composite material. Another method of repairing a thermoplastic composite material is disclosed herein. The method includes placing an energy transmission material on a supporting anvil, placing the thermoplastic composite material on top of the energy transmission material, and applying an ultrasonic welder to the energy transmission material to consolidate and repair the thermoplastic composite material.

The utility model provides a ballast bed damage repairing structure. The ballast bed damage repairing structure comprises a ballast bed, a sleeper and a supporting piece. The track bed is provided with a pull rod groove. The ballast bed is provided with a pull rod groove for containing the connecting rod mechanism. And the ballast bed is also provided with a mounting groove for mounting a sleeper. The mounting grooves are positioned on two sides of the pull rod groove. The supporting piece comprises two side plates. The two side plates are vertically fixed in the pull rod groove and attached to the sleeper. According to the ballast bed damage repairing structure, the side plates are used for positioning the sleepers. And the side plates are fixedly connected to the interiors of the pull rod grooves, so that the side plates can stably limit the sleepers, and the sleepers are prevented from shaking. Meanwhile, the side plates can be made of steel plates, have good toughness and cannot be easily broken due to vibration of the sleeper. And the durability of the repaired ballast bed is ensured.

The application discloses a reservoir dam trash holding device and belongs to the technical field of dam trash holding equipment. The application comprises a main body intercepting net and a linkage mechanism. The linkage mechanism for damage repair is arranged behind the main body intercepting net. The application has the advantages that the surface of the damaged intercepting fence can be automatically repaired, the rapid emergency interception can be completed, the accident expansion can be avoided, the damage event can be converted into temporary emergency coverage, the normal use of the trash holding device can be ensured, the damaged part of the intercepting fence can be maintained by the staff, the water filling curtain and the fence net are modularly arranged, the specific intercepting fence damage area can be repaired individually, the superfluous of large-scale repair can be reduced, the other areas can be repaired individually when damaged, the water filling curtain is filled with water and powered by the natural transformation of the water flow by the rotating impeller, and the advantages that the additional power supply equipment is reduced and the consumption of external energy is reduced are achieved.

The present invention provides a cross-linked polyester resin that exhibits high strength at room temperature through dynamic covalent crosslinking that allows for bond exchange at high temperatures. Above its softening temperature, it is reprocessable and allows for inter-film adhesion and self-healing. Furthermore, even without the addition of an ester exchange catalyst, it exhibits softening behavior based on bond exchange in the ester exchange reaction, demonstrating self-adhesion, reformability, and damage repair properties. A cross-linked polyester resin is obtained by cross-linking a polyester resin having carboxyl groups on its side chains with an epoxy crosslinker having multiple epoxy groups. The epoxy crosslinker comprises an epoxyamine compound having two or more tertiary amino groups and two or more epoxy groups within the molecule, with the epoxyamine compound being present in an amount of 3 to 30 moles per 100 moles of carboxyl groups in the polyester resin having carboxyl groups on its side chains.

The utility model discloses a handheld electric impact threading machine which comprises a main machine and a working head. A driver is arranged in the main machine and used for driving the main machine working end of the main machine to rotate. The input end of the working head is connected with the host working end, and the host working end rotates to drive the working head to rotate synchronously; a mounting cylinder is arranged on the working head, a circular die is detachably mounted in the mounting cylinder, the working head drives the circular die to rotate synchronously when rotating, and the rotating axis of the circular die, the rotating axis of the working head and the rotating axis of the working end of the main machine coincide. A driver in the main machine drives the circular die to rotate through the working head, so that the circular die solves the problems of machining of round steel outer cylinder threads and repairing of damaged geometrical shapes of outer thread surfaces. The handheld electric impact threading machine is small in occupied space in use, can be suitable for most scenes, and can reduce the labor intensity of work and improve the working efficiency.

The invention discloses a repairing agent for repairing micro-damage of a wet lithium ion battery diaphragm and a preparation method of the repairing agent, and the repairing agent is prepared from the following components in percentage by weight: 50-80% of matrix resin; 5-20% of a latent curing agent; 3-10% of a penetration enhancer; 1-10% of a nanometer reinforcing filler; 2-10% of an ionic conductor additive; and 0.1-1% of a photo-thermal catalyst. The micro-damage repairing agent for the wet-process lithium ion battery diaphragm has excellent performance, various performance indexes of the diaphragm are greatly improved after the diaphragm is repaired, resource waste is avoided, and the micro-damage repairing agent has good industrial application prospects.

The utility model discloses a mold insert damage repairing device. The mold insert damage repairing device comprises a repairing table, a scanning chamber, a mold taking chamber, a material adding chamber and a movable seat, the material adding chamber is fixedly installed in the middle of the top of the repairing table, the mold taking chamber and the scanning chamber are installed on the top of the repairing table and symmetrically arranged on the left side and the right side of the material adding chamber respectively, the scanning chamber, the material adding chamber and the mold taking chamber are communicated with one another, and a base is horizontally installed at the bottoms of the inner sides of the scanning chamber, the material adding chamber and the mold taking chamber in a penetrating mode. A sliding groove is formed in the middle of the interior of the base. According to the utility model, the damaged insert can be quickly repaired through programming, the repairing speed is high, the quality is high, the manufacturing and mounting processes of a new insert do not need to be waited, the die can be quickly recovered to a normal use state, the shutdown time caused by the damage of the die insert is greatly shortened, and the production efficiency is improved. The adverse effect of shutdown accidents on the whole production process is effectively reduced, and it is guaranteed that production activities can be smoothly and continuously carried out.

The utility model discloses a temporary support lifting device for ancient building wooden column damage repair, which comprises an upper top plate and a lower support, the top of the lower support is fixedly connected with a U-shaped seat, two sides of the top of the U-shaped seat are inclined planes, and the top of the U-shaped seat is fixedly connected with an external thread pipe. A threaded vertical guide lifting assembly fixedly connected with the bottom of the upper top plate is installed in the outer threaded pipe, and a band-type brake motor with an output shaft fixedly connected with the threaded vertical guide lifting assembly is fixedly installed at the top of the lower support. By arranging a series of structures, the upper top plate can be automatically controlled to lift to quickly and temporarily support and lift a beam column at the top of the historic building wooden column, so that a repairman can repair, clamp and fix the wooden column, the worker does not need to carry out labor-consuming operation back and forth during lifting adjustment, the support and lift efficiency is improved, and the labor intensity of the worker is reduced. And the four sides of the bottom can be conveniently and synchronously expanded for supporting and inclination prevention, the supporting area of the bottom is increased, the phenomenon that the supporting area of the bottom is small, concentrated and prone to inclination is reduced, and the supporting and inclination prevention stability is improved.

The invention discloses a copper-based salt-spray-corrosion-resistant coating and a plating method thereof.The coating comprises a self-repairing layer and a salt-spray-resistant top layer, the surface of the self-repairing layer is covered with the salt-spray-resistant top layer, and the self-repairing layer is prepared from, by weight, 10-20 parts of sustained-release microcapsules, 60-80 parts of a resin matrix and 5-10 parts of polyisocyanate; the sustained-release microcapsule is composed of a corrosion inhibitor and a polyurethane microcapsule wrapping the corrosion inhibitor; the salt mist prevention top layer is prepared from the following raw materials in parts by weight: 50 to 60 parts of polyurethane resin, 0.5 to 1 part of dimethyl octadecyl [3-(trimethoxysilyl) propyl] ammonium chloride, 1 to 3 parts of mica powder, 1 to 3 parts of nano silicon dioxide, 5 to 10 parts of hexamethylene diisocyanate tripolymer and 0.3 to 0.5 part of catalyst. The method has the effect of synchronously improving the damage repair performance and the overall mechanical property of the coating.

The invention provides UVB damage repair application of a grease composition containing safflower seed oil and fermented artemisia apiacea oil. The fermented artemisia apiacea oil is prepared by the following steps: (a) carrying out supercritical CO2 extraction on artemisia apiacea medicinal materials; (b) fermenting, namely fermenting by adopting bifidus yeast; (c) separating to obtain fermented artemisia apiacea oil; wherein the bifidobacterium is selected from bifidobacterium adolescentis, bifidobacterium animalis subspecies, bifidobacterium animalis subspecies lactis, bifidobacterium bifidum, bifidobacterium breve, bifidobacterium longum subspecies longum or bifidobacterium longum subspecies infantis. The invention further relates to application of the grease composition containing the safflower seed oil and the fermented artemisia apiacea oil in preparation of a skin external preparation with a UVB damage repairing effect.

The invention discloses a method for repairing a wearable product with a poor polaroid, which comprises the following steps of: placing a defective product with a poor polaroid on a static electricity elimination workbench, and eliminating static electricity on the surface by using an ion fan; slightly cleaning dust and impurities on the surfaces of the defective polaroids by using a banister brush, and wiping the edges of the defective polaroids by using dust-free cloth soaked by absolute ethyl alcohol; the defective products are placed on a high-precision heating platform, the temperature ranges from 80 DEG C to 100 DEG C, the heating time ranges from 3 min to 5 min, and glue between the polaroid and the screen is softened; a flexible sheet is inserted into a gap between the edge of the polaroid and the screen and is tilted, so that the polaroid is gradually separated from the screen; after the polaroid is torn down, the surface of the screen is cleaned; and the screen is attached to the polaroid again. After glue between the polaroid and the screen is softened, the flexible thin sheet is gently prized to enable the polaroid to be gradually separated from the screen, and finally, the screen is attached to the polaroid again, so that efficient and low-loss repair is carried out on a wearable product with a poor polaroid.

The invention relates to the field of plastic repair, and discloses a plastic casing damage repair and heat dissipation optimization method, which comprises the following steps: positioning a plastic casing damage area through a resistance change detection method and an image recognition method, and carrying out damage repair treatment on a plastic casing. Heat flow distribution simulation is carried out on the plastic shell after damage treatment, and finally heat dissipation optimization treatment is carried out on the plastic shell in combination with a simulation result. Damage positioning, damage repairing and heat dissipation optimization can be carried out on the plastic shell, it is guaranteed that the plastic shell is not damaged in subsequent use, the service life of used equipment is not affected, and meanwhile the damage repairing efficiency can be improved.

The invention relates to the field of aluminum alloy repair, and particularly discloses a repair method for local damage of a hard anodic oxide layer on the surface of aluminum alloy, which comprises the following steps: step 1, mixing 52 + / -5wt.% of Ni powder, 13 + / -5wt.% of Cr powder and the balance of Al2O3 powder to form a powder raw material for spraying; 3, the damaged part is pretreated, specifically, the damaged part is cleaned and polished after being cleaned, a regular groove is formed, and the polished damaged part is cleaned again; step 4, spraying the damaged part by using the prepared powder raw material; and fifthly, after spraying is finished, the spraying area is polished according to the shape and size of the damaged part, so that the size and roughness parameters of the damaged part meet the preset repairing requirements. Damage repair of the hard anodic oxidation coating on the surface of the aluminum alloy part is achieved by regulating and controlling the particle size and proportion of Ni-Cr-Al2O3 in the powder raw material and matched low-pressure cold spraying process parameters.

In the embodiment of the invention, the structure layer containing the repairing capsules is adopted in the flywheel rotor, the surface of the structure layer is covered with the coating, and the repairing capsules are uniformly distributed in the structure layer and can crack to generate polymerization reaction for repairing when the flywheel rotor generates cracks; the repairing capsules are embedded in the connecting positions of the hollow center body and the spokes at intervals of 30 degrees along the circumference of the flywheel rotor, the repairing capsules determine damage repairing data of cracks when monitoring signals of breakage of the repairing capsules of the flywheel rotor structure layer and upload the damage repairing data to the control module, and the control module analyzes the damage repairing data and outputs a repairing degree value. And the early warning module gives out early warning after the repairing degree value is lower than a preset degree value, so that the whole-process safety control from beforehand prevention, in-process repairing and afterward early warning is realized, and the problem that the damage state in operation cannot be accurately repaired and timely repaired when the damage of the flywheel rotor is repaired in the prior art is solved. And the harsh requirements of the high-speed flywheel on structural integrity and long-term stability are met.