18results about How to "Implement patching" patented technology

The invention belongs to the technical field of composite prepreg, and relates to UV curing wind power blade repairing resin and a preparation method thereof.The repairing resin comprises a component A and a component B. The component A comprises, by weight, 0-60 parts of glycidyl epoxy resin, 30-80 parts of alicyclic epoxy resin, 0-20 parts of oxetane and 2-30 parts of flexibilizer; the component B is prepared from the following components in parts by weight: 90 to 99 parts of olefin monomer or olefin resin, 0.1 to 6 parts of free radical photoinitiator, 0.1 to 2 parts of thermal cationic initiator and 0.1 to 5 parts of photo cationic initiator. The UV-cured wind power blade repair resin is a hybrid system of an epoxy resin system and acrylate resin, has the advantages of light curing of epoxy resin and acrylate resin, does not need heating or solvent, is controllable in reaction degree, can be quickly formed at low temperature, and has the repair thickness gt; and the material can be applied to repair in winter and other severe environments.

The invention relates to a preparation method of a modified waste concrete recycled aggregate, which comprises the following steps: crushing waste concrete, screening the crushed waste concrete with a proper particle size to serve as a raw material of the recycled aggregate, washing with a shaking sieve to remove part of edges and corners about to fall off, and carrying out gelation reaction by using modified solutions such as nano silicon dioxide and water-soluble silicate to obtain the modified waste concrete recycled aggregate. According to the invention, fine pores on the surfaces of concrete particles are blocked and repaired, so that the structure is complete and compact, the mechanical strength of the aggregate is enhanced, the porosity and the water absorption rate are reduced, and the water absorption and the mechanical strength are further reduced through phenolic resin coating. The modified waste concrete recycled aggregate is mixed with cement, zeolite powder and the like, the mixture is pressed into a blank, and the artificial stone with excellent mechanical properties and low water absorption is obtained after carbonization curing. The method provided by the invention has good application prospects and environmental protection significance.

The application discloses a high-pressure hose positioning protection device for condenser online cleaning robots, which comprises a fixed outer shell, a rotating inner shell and a deviation positioning assembly. The application belongs to the field of hose positioning protection and specifically relates to a high-pressure hose positioning protection device for condenser online cleaning robots. The application rotates a threaded rod to compress a control spring, thereby controlling the size of the reset force, fundamentally controlling the maximum flow rate of high-pressure water flow, preventing damage during cleaning, and using the degree of contraction of the telescopic rod to feed back the minimum flow rate of the high-pressure water flow to ensure cleaning capacity. Meanwhile, based on the fact that residual water in the high-pressure water pipe will flow in the direction of water leakage in the pipe, the water flow in multiple directions extrudes the diaphragm into contact with the needle body, the diaphragm is punctured, and the functions of self-probing and repairing of the water leakage point of the water leakage pipe are realized.

This invention belongs to the field of precision electronic circuit manufacturing technology, and provides a method and device for repairing broken lines in micro-circuits based on electric field-driven micro / nano 3D printing. This invention employs electric field-driven jet deposition micro / nano 3D printing technology, with the printing nozzle connected to a high-voltage power supply. Utilizing the diameter reduction effect of the Taylor cone in electrostatic dynamics, it achieves the fabrication of micro / nano-scale feature structures. Under the action of electrostatic field tension (changing traditional pressure-driven to tension-driven), high-viscosity materials can be printed with high resolution, enabling the repair of conductive line defects below 1μm. It is particularly suitable for repairing three-dimensional / curved conductive lines and conductive line defects in large-size (meter-scale) substrates. This invention can achieve high-resolution, high-precision, low-cost, and efficient repair of micro-precision conductive line defects.

The utility model relates to a water-saving shaking paper pulp hole filling machine which comprises a paper pulp frame, the side middle portion of the paper pulp frame is rotationally connected to a fixing frame through a connecting shaft so that the paper pulp frame can shake up and down relative to the fixing frame in the front-back direction, and a temporary positioning piece is arranged between the paper pulp frame and the fixing frame. When the paper pulp frame is in the horizontal position, the paper pulp frame can be connected with the fixing frame for positioning or released from the fixing frame; the paper pulp frame comprises a frame body, the bottom of the frame body is connected with a transmission light plate in a sealed mode, a light source is arranged at the bottom of the transmission light plate, a filter screen covers the portion, above the transmission light plate, in the frame body, and the upper edge of the filter screen and the frame body are arranged in a sealed mode through a first flexible film to separate out an under-screen space and an on-screen space. The outside of the liquid drainage hole is connected with a water suction machine through a hose, and a plurality of movable second flexible rubber sheets are arranged in the space on the net so as to be matched with the first flexible rubber sheets to seal and position the repair paper. The water-saving shaking paper pulp hole filling machine has the advantages of being simple in structure, low in cost, easy and convenient to operate, capable of saving water and the like.

According to the underwater robot for repairing the marine aquaculture net cage netting, through a net cage broken hole repairing device and in combination with a visual assembly, underwater full-automatic recognition and repairing of an aquaculture net cage broken hole are achieved, manual diving operation is not needed, and the labor cost and the safety risk are remarkably reduced; the elastic repairing net is matched with the upper and lower grapnel structures, netting holes with different sizes and shapes can be adapted, the grapnels are automatically tightened through tension springs, and firm and reliable repairing is ensured; according to the repairing device, the tensioning and releasing processes are accurately controlled through the underwater steering engine, and high-precision and high-success-rate automatic repairing is achieved in combination with the visual assembly.

The utility model belongs to the technical field of household repairing and provides a multifunctional coating rolling brush which comprises a bottle body and a roller, a coating cover is detachably installed on the top of the bottle body, a hole connected with the bottle body is formed in the middle of the coating cover and arranged in a flow dividing groove, and the roller is arranged in the bottle body. An arc-shaped anti-overflow groove is formed in the outer side of the diversion groove, limiting plates are fixedly connected to the two sides, in the first direction, of the brushing cover correspondingly, a roller is connected to the middles of the limiting plates in a rolling mode and located above the anti-overflow groove, baffles are fixedly installed on the two sides, in the second direction, of the brushing cover correspondingly, and a roller cover is arranged above the roller. According to the multifunctional paint rolling brush, the paint is prevented from overflowing through the anti-overflowing groove formed in the brushing cover, discharging is achieved through the hole formed in the brushing cover, the multifunctional paint rolling brush is simple and convenient to use, and the paint placed in the bottle body can be repeatedly added and recycled after being used up.

The invention relates to the field of buildings, and particularly discloses high-durability concrete and a preparation method thereof.The concrete is prepared from cement, fly ash, steel slag, coarse aggregate, fine aggregate, silica fume, lithium slag, an additive, water and modified fibers; wherein the modified fiber is prepared by performing pressure impregnation on polylactic acid fiber in a low-boiling-point solvent, coating the polylactic acid fiber with an inner coating layer, mixing the polylactic acid fiber with sodium peroxide, and coating the mixture with an outer coating layer to form a porous outer wall coating layer; the preparation method comprises the following steps: S1, mixing and stirring the cement, the fly ash, the coarse aggregate, the fine aggregate, the steel slag, the lithium slag and the silica fume, and then adding the modified fibers to prepare a primary mixture; s2, mixing water and an additive, then adding the primary mixture prepared in the step S1, and mixing and stirring to obtain the concrete with better strength and durability.

The invention discloses a bent pipe inner wall repairing robot based on external driving force operation, the external driving force is driven by externally pumped water pressure, the bent pipe inner wall repairing robot comprises a connecting main pipe, the front side of the connecting main pipe is sleeved with a retarding component through a supporting rod connected in the peripheral circumferential direction, the rear side of the connecting main pipe is connected with a wind wheel frame, and a through groove is formed in the wind wheel frame; the rear end of the connecting main pipe communicates with a transverse pipe, the side end of the transverse pipe communicates with an L-shaped water outlet pipe, and the water outlet end of the L-shaped water outlet pipe is located on the built-in side edge of the wind wheel frame. Simple water pressure is adopted as external driving force, water is pumped in from one side of the thin pipe through the first water pump, water remaining from the repairing device is rapidly pumped out to the water tank through the second water pump on the other side of the thin pipe, and water recycling is formed by the water pump and the water tank. And secondly, the water pressure serving as the external driving force is partially drained to the inner side of the repairing device, rotation driving force of the repairing spray head is synchronously formed, the whole device is ingenious in structural design, and movement and repairing of the robot in the thin tube can be achieved completely through the external driving force.

The invention provides a high-end equipment complex casting in-situ metallurgy composite casting forming method which comprises the following steps: generating a three-dimensional model of the outer side of a damaged part through three-dimensional scanning of a damaged area of the part and comparison with a three-dimensional model of an undamaged area, and generating an upper model through model slicing; a damaged part is fixed through sand mold 3D printing or molding sand mixed with a curing agent and resin to generate a lower model, then the upper model and the lower model are compounded, then the metal temperature is adjusted, and the pouring speed is controlled, so that the damaged area is repaired. According to the method, the damaged area is poured, one-time successful repairing of the damaged area can be achieved, repairing can be conducted without cutting a damaged part, materials are saved, the repairing and forming speed is increased, meanwhile, molten metal in the damaged area can be solidified in sequence, stress of the damaged area is reduced, and the service life of the damaged part is prolonged. The damage repairing quality is improved, a new direction is provided for part damage repairing, and the advantages of sand mold casting in a part repairing area are highlighted.

The invention discloses a self-healing and self-adhesion type metal protective film based on a multi-scale micro-nano fiber network and a preparation method of the self-healing and self-adhesion type metal protective film. The self-adhesive protective film is a self-adhesive film material which is prepared from a self-healing polyvinylidene fluoride film containing a multi-scale micro-nano fiber network, a self-adhesive glue layer and a release film layer through melt-blowing, rolling and compounding and has self-healing and long-term protection performance. A multi-scale core-shell fiber network containing a micro-foaming polyurethane core material prepared by using a coaxial electrostatic spinning technology is used as a self-healing material, so that the filling enhancement of a membrane material is realized, the healing response to cracks of different scales can be generated, the healing effect is excellent, and the cost is low as the use amount of the core material for single-time healing is small. The self-adhesive film can repeatedly realize the self-healing process of multiple times of cracking. The self-adhesive film material has excellent adhesion, durability and self-healing performance, is suitable for durable repair and long-term protection of steel structures, and has important significance for related technical progress and industrial development.

The present application is suitable for the technical field of laminated slab repair, and provides a laminated slab crack repair device, which comprises a vehicle body and further comprises: a swing rotating assembly connected with the vehicle body through a lifting assembly, the lifting assembly being used for supporting and driving the swing rotating assembly to lift; a repair agent scraping assembly and a polishing assembly, the swing rotating assembly being provided with the repair agent scraping assembly and the polishing assembly, the swing rotating assembly being used for driving the repair agent scraping assembly to reciprocate, the repair agent scraping assembly being used for discharging repair agent and cooperating with the reciprocation to repair the laminated slab crack, and the swing rotating assembly being further used for driving the polishing assembly to rotate, so that the polishing assembly is used for polishing the repaired area after the repair agent scraping assembly is removed. The present application realizes the automatic operation of repair agent scraping and polishing, improves the repair quality, reduces manual operation, and significantly improves the construction efficiency and intelligent level.

The present invention discloses a method, device, equipment and storage medium for acquiring the coordinates of a transmission line breakpoint, the method comprising: establishing a robot coordinate system, a left camera coordinate system and a right camera coordinate system; establishing a normalized left image coordinate system and a right image coordinate system; acquiring the coordinates of the imaging point of the breakpoint in the left image coordinate system and the right image coordinate system; acquiring the coordinates of the breakpoint in the left camera coordinate system or the right camera coordinate system; acquiring the coordinates of the breakpoint in the robot coordinate system. The present invention solves the technical problem in the prior art that the coordinates of the transmission line breakpoint cannot be accurately identified, resulting in the inability to correctly implement the breakpoint repair.

The invention discloses a repairing material and a constrained interface construction method thereof. The construction method comprises the following steps: preparing the repairing material; the geopolymer interface to be repaired is subjected to slotting treatment, and a target repairing interface is determined; and the repairing material is applied to the target repairing interface, so that the geopolymer to be repaired is repaired. The prepared slag fly ash geopolymer doped with 50 parts of HCSA expanding agent has the characteristics of high splitting tensile strength, good chloride ion penetration resistance and the like under the condition of interface slotting treatment, and compared with the condition that the expanding agent is not added and maintenance is not restrained, the splitting tensile strength is 65.8% higher, the chloride ion penetration resistance is 56.3% higher, and the performance of repairing a bonding surface is remarkably improved. And after the expanding agent is doped, on one hand, self-shrinkage of new concrete is inhibited, and on the other hand, grooves and pores of old concrete can be better filled with the new concrete. The concrete repairing agent can be widely used for repairing concrete and has popularization and application prospects.

According to the semi-automatic road surface crater rapid repairing device and method, sundries in a road surface crater are cleaned according to a high-pressure gas nozzle, a rotating brush and a dust removal device which are arranged, the shape, the size, the bottom face depth and the size of the road surface crater are obtained through imaging of an unmanned aerial vehicle, and the crater is filled with a polyurethane foam material; the geopolymer concrete canvas is pretreated and cut according to the size of the crater, the cut target geopolymer concrete canvas is used for filling the position of the road surface crater, and the geopolymer concrete canvas is fixed through edge pressing strips and expansion bolts; according to the water storage device and the spraying device, water is evenly sprayed from the edge of the geopolymer concrete canvas to the middle of the geopolymer concrete canvas until the color of the geopolymer concrete canvas is darkened, the repairing and hardening process of the geopolymer concrete canvas is monitored, adjustment is carried out when the geopolymer concrete canvas is abnormal, and it is guaranteed that the specified repairing effect can be achieved. And the crater damage of the pavement can be repaired in a short time, and the rapid repair of the damaged area is completed.

The maintenance device for the large-temperature-difference heat supply pipeline comprises a front moving disc and a rear moving disc, an electric push rod is fixedly installed on the rear side of the rear moving disc, the telescopic end of the electric push rod penetrates through the rear moving disc and is fixedly in butt joint with a moving column, and the moving column is fixedly sleeved with the front moving disc; a shooting assembly is installed at the front end of the movable column and used for shooting the pipe wall condition. The tops and the bottoms of the front moving disc and the rear moving disc are each provided with a telescopic arc-shaped abutting plate, and the arc-shaped abutting plates stretch out to be used for abutting against the pipe wall and fixing the positions of the front moving disc and the rear moving disc. The device can move in the pipeline, the pipe wall condition is observed through the shooting assembly, separated liquid injection cleaning is achieved aiming at serious water scale, the cleaning effect is good, the using amount of a cleaning agent is saved, the polishing and gluing process can be achieved aiming at the crack position of the pipe wall, crack repairing can be completed through remote control, and use is convenient and fast.

The present invention provides a maintenance device for a large temperature difference heating pipeline, comprising a front movable plate and a rear movable plate, an electric push rod is fixedly installed on the rear side of the rear movable plate, the telescopic end of the electric push rod passes through the rear movable plate and is fixedly docked with a movable column, the front movable plate is fixedly sleeved on the movable column; a shooting component is installed at the front end of the movable column, the shooting component is used to shoot the pipe wall condition; the top and bottom of the front movable plate and the rear movable plate are both installed with a retractable arc-shaped abutment plate, a pair of arc-shaped abutment plates extend out to press against the pipe wall, and fix the position of the front movable plate and the rear movable plate. The device can move in the pipeline, observe the pipe wall condition through the shooting component, and realize separation and liquid injection cleaning for more serious scale, with good cleaning effect, saving the amount of detergent, and can also realize the grinding and gluing process for the crack position of the pipe wall, and the crack can be repaired by remote control, which is convenient to use.