243results about How to "Guaranteed repair quality" patented technology

The invention provides a geometry repair method for a damaged area of a complex curved surface part, belongs to the field of computer auxiliary design and manufacture, and relates to the repair method for a complex geometric curved surface with part damaged. According to the geometry repair method, by establishing the relation between actually-measured cross section data of the complex curved surface damaged part and a nominal geometry template curve of the complex curved surface damaged part, and utilizing an optimization method capable of achieving alternating iterative registration and free deformation, namely, alternating a quantity method to calculate the closest point from an actual measurement point to the template curve and solve of translation, rotation and deformation transformation matrices, geometric deviation between the template curve and actual measurement data of the damaged part is gradually decreased, the designed template curve and the measurement point can fit to the largest extent, therefore, a damaged cross section contour curve is reestablished, covering operation is performed on the cross section contour to generate the curved surface of the complex part, and the geometrical shape of the damaged area is effectively recovered. By means of the geometry repair method, the problem of large deviation between three-dimensional measurement data of the complex curved surface damaged parts and an original computer-aided design (CAD) model is solved, and accuracy and practical applicability of geometry repair are ensured.

The invention discloses a torpedo tank lining gunning repairing material, a preparation method and applications thereof, wherein the torpedo tank lining gunning repairing material comprises, by weight, 60-67 parts of a Al2O3-containing fireproof material after-using regenerating material, 3-7 parts of fireproof clay, 2-5 parts of flaky graphite, 3-7 parts of silicon carbide, 10-15 parts of an alumina homogeneous material, 3-6 parts of kyanite, 2-5 parts of alpha-Al2O3 micro-powder, 3-11 parts of a binder, and 1.2-3.4 parts of an admixture. According to the present invention, the torpedo tank lining gunning repairing material has characteristics of low raw material cost, wide regeneration material source, convenient cold-hot state gunning repairing, excellent thermal shock stability, strong repairing layer interface bonding strength, strong slag iron corrosion resistance, high torpedo tank operation rate, long service life, and the like.

The invention discloses a mould three-dimensional rapid forming and repairing method based on reverse engineering. Three-dimensional reverse engineering is carried out on a faulted mould through the reverse engineering technology, comparison calculation of a faulted mould model and a standard mould model is finished in combination with a CAD technology, and recognition and obtaining of a CAD model in a to-be-repaired region of the mould are realized; slicing processing is carried out on the CAD model in the to-be-repaired region of the mould through the layering thought of the rapid forming technology, then three-dimensional rapid forming and repairing are carried out on the to-be-repaired region of the mould step by step and layer by layer through the argon arc welding technology, finally proper after-treatment and machining are carried out on the repaired region, and rapid repairing and re-manufacturing of the mould are finished. Accurate control over the repairing layer thickness and repairing amount of the mould is realized, the repairing after-treatment links are effectively reduced and even eliminated, the repairing accuracy and quality of the mould are improved, and an effective means with low cost, high accuracy and high efficiency is provided for on-site repairing and re-manufacturing of the mould.

The invention relates to a synchronous cutting-off and unroofing repair method for a coke side oven head of a large-scale coke oven machine, which belongs to a coke oven and particularly relates to a repair method for the coke oven. The synchronous cutting-off and unroofing repair method comprises the following steps of: cooling a repair area-reinforcing an oven column, correspondingly arranging a banking number and a buffer oven number, building a retaining wall, disassembling an ascending tube and cooling a repair number and relevant oven numbers; disassembling the ovens-disassembling a masonry body, installing a support and carrying out temperature monitoring on the repair number and the relevant oven numbers; repairing the building-determining a building centerline and a wall surface datum line and building according to the key points; and warming after repair-carrying out temperature rise speed control and disassembling the support and digging up the retaining wall. The repair method has the advantages that all the damaged parts of the oven head are disassembled and newly built; the wall surfaces of damaged coking chambers can be repaired within a large area so as to completely solve the abrasion and the hole through on the wall surfaces of the coking chambers and the inter-leakage of partition walls of a combustion chamber; after one-time repair, the damaged parts can beused for 5-8 years, so that the oven repair frequency, the time and the material consumption are reduced; the wall surfaces of the repaired parts are level, are small in coke pushing resistance, are beneficial to protecting a coke pusher and an oven body and producing the coke oven and also facilitates energy conservation and consumption reduction; and the high-temperature burn accident of maintenance personnel is also avoided.

The invention relates to a local coating defect repairing method for a carbon/carbon composite material. A coating repairing agent prepared from a thermosetting resin and an inorganic filling material is coated on a coating defect position. A coating crack defect is repaired by crack/hole filling and reinforcement repair and coating extension, and therefore the surface of the defect is coated with the repairing agent and the repairing agent permeates into the defect interior, thus forming a continuous layer and preventing carbon atoms from oxidation reaction with oxygen atoms. Then a drying and curing process is performed in an air dry oven or a ventilating environment. Finally, the thickness and the compactness of the repairing agent are increased through a vacuum impregnation and drying method. The repairing method is simple, convenient and prone to achievement. The repaired carbon/carbon composite material has good performances and high quality. The local defect area of the antioxidant carbon/carbon composite material is effectively protected from being oxidized and ablated in an oxidation environment with a temperature lower than 1200 DEG C, thus achieving long-time using and repeated using of a high-performance antioxidant carbon/carbon composite material coating.

The invention belongs to the field of unshaped refractory application and particularly relates to a quick repair method for a boiler lining material. After cleaning and roughening processing are conducted on a damaged part through a sanding device, an interface processing agent is sprayed at the damaged position through an electric sprayer, later the damaged position is coated with wearproof plastic refractory in an extruded mode through an extruded type long arm coating device, the wearproof plastic refractory is compacted and flattened through a long handle vibration flattener, and fast boiler heating and slow boiler heating are conducted in two stages afterwards. According to the quick repair method for the boiler lining material, a traditional repairing method for a traditional boiler lining is replaced, and the boiler lining can be efficiently repaired with high quality.

The invention belongs to the remediation filed of the polluted soil and in particular relates to an in-situ chemical remediation method of soil. The method comprises the following steps: (1) arranging an injection device; (2) injecting drug solution; (3) monitoring and adjusting; (4) repeating the above steps till the remediation of the soil is finished, wherein the injection device is arranged by using a board inserting machine; the injection device comprises an inner core and a permeation layer which coats the periphery of the inner core; the external surface of the inner core is provided with axial grooves and/or convex ribs; the permeation direction of the permeation layer is from inside to outside. Through the in-situ chemical remediation method of soil, the good injection effect can be guaranteed, the structure of the injection device is simplified, the construction speed of the arrangement of the injection device is improved, and the construction cost is lowered.

The invention discloses a plating pen for brush electroplating of shafts. The plating pen comprises: a sleeve and plating pen brushes, wherein the inner wall surface of each of the plating pen brushes is provided with brush hair, and the plating pen brushes are circumferentially uniformly arranged in the inner bores of the sleeve through a variable diameter mechanism; and the variable diameter mechanism comprises: circular ring seats, wherein the three circular ring seats are axially equidistantly arranged in the inner bores of the sleeve, one of the circular ring seats is fixedly arranged, and the other two circular ring seats are arranged in an axial sliding mode; a plating pen brush support comprising telescoping rods and two connecting rods, wherein one ends of the telescoping rods are fixed to the middle circular ring seats respectively, the other ends of the telescoping rods are fixed to the middle portions of the outer wall surfaces of the plating pen brushes respectively, one ends of the two connecting rods are hinged to the circular ring seats at two sides respectively, and the other ends of the two connecting rods are hinged to the central portions of the outer wall surfaces of the plating pen brushes respectively; and a driving mechanism used for driving one of the circular ring seats capable of axially sliding to slide. The plating pen can realize mechanical brush electroplating of shafts and other parts with different diameters, has a high efficiency, and can guarantee the quality of the brush electroplating.

A Criminisi image restoration method based on a bat algorithm comprises the steps of calculating the priority of each pixel point of to-be-restored region edges of to-be-restored images, selecting a pixel point with maximum priority as a pixel point with restoration priority, performing searching and filling on best matching blocks in perfect regions of the to-be-restored images, wherein searching (as mentioned) is performed by adopting the bat algorithm according to a matching principle; updating the to-be-restored region edges, returning the edges and performing repeated circulating operation till the restoration of to-be-restored regions is finished and obtaining an image restoration result. The Criminisi image restoration method is wide in image restoration range, improves the restoration speed, reduces the time consumption and meets the visual demands of people on the premise that the restoration quality of the to-be-restored images having different emphasis areas is ensured. Therefore, the Criminisi image restoration method has important practical significance.

The invention relates to the field of flange plate forging, in particular relates to to a shaping device for a cylindrical flange plate after forging and a working method. The shaping device comprisesa base, a supporting frame, a controller, a rotating mechanism, a repairing mechanism and a position adjusting mechanism, wherein the rotating mechanism comprises a machining table and a rotating component; the position adjusting mechanism is arranged at the top of the base so as to support the repairing mechanism to adjust the position, and the position adjusting mechanism comprises a lifting plate, a sliding component and a jacking component; the repairing mechanism comprises a bearing plate, a hammer head, a spray head, a material receiving pipe, a pushing component and a discharging component; and the rotating component, the sliding component, the jacking component, the pushing component and the discharging component are electrically connected with the controller. According to the shaping device for the cylindrical flange plate after forging and the working method, various defects on the outer wall of the flange plate can be detected in time and repaired in time, and meanwhile, most of repairing modes are automatic; and meanwhile, frequent contact of workers is not needed in the repairing process, and thus potential safety hazards are small.

The invention discloses a patch for rapidly repairing damages of external insulating layers of thermal shrinkage wires and cables. The patch comprises an external layer and an internal layer, wherein the external layer is an insulating layer; and the internal layer is a hot melt adhesive layer. A preparation method is characterized by comprising the following steps: carrying out blending modification on the raw materials of the insulating layer, extruding the modified raw materials into a tubular shape by an extruder, then crosslinking, carrying out extension shaping after crosslinking to obtain the insulating layer, then carrying out adhesive application to obtain the hot melt adhesive layer and finally longitudinally cutting the tubular repair material to form a curly sheet. The patch has the following beneficial effects: without a free end, the patch can be used for rapidly repairing the damaged parts after the damaged parts are slightly washed and polished; the patch is suitable for various wire and cable external diameters even in an uninterrupted state, the process is simple and the repair quality of the wires and cables can be ensured; and as a radiation crosslinking technology is adopted, the service life of the patch can be at least more than 25 years, and at the same time the cost of the patch is lower than half the cost of zipper type thermal shrinkage products.

The invention relates to the technical field of drainage, and in particular relates to an urban groundwater drainage pipe network repair method which comprises the following operation steps of draining sewage in a groundwater drainage pipe network, and clearly cleaning sludge in the groundwater drainage pipe network to reach the repair requirement; laying a layer of mulching film on the bottom ofa pipeline to be repaired firstly, and then enabling a repair lining material to be in place by adopting a mechanical dragging manner; mounting ultraviolet curing equipment at a pipe mouth of the repair lining material, performing inflation on a lining pipe to enable the lining pipe to cling to the pipeline to be repaired, and illuminating the lining pipe with the ultraviolet curing equipment to enable the lining pipe to be cured to form a new pipeline; cutting a tying head of the pipe mouth with a cutting tool, and performing mouth plastering and edge sealing with rapid hardening cement; anddisassembling a water blockage air bag, and putting the pipeline into water passing use. The urban groundwater drainage pipe network repair method can realize that a great quantity of excavated groundis avoided during groundwater drainage pipe network repair, improves the working efficiency of repairing the pipeline and saves the cost.

The invention relates to an old pipeline repairing process. The old pipeline repairing process comprises the steps of: first, soaking a barrel composite sandwich felt in UV resin to form a hose, and sticking an inner film and an outer film respectively on the inner and outer surfaces of the composite sandwich felt; then, dragging the hose into the oil pipeline with cleaned inner wall; placing a UV (ultraviolet) lamp in an end socket at one end of the hose, and connecting a traction rope and a power supply; and second, sealing both ends of the hose by the end socket, and pulling the UV lamp to move slowly to irradiate the hose by the traction rope to cure the hose. The hose provided by the invention is made of composite sandwich felt soaked in the UV resin, the curing time of the hose can be controlled, and the hose can be manufactured in a workshop, so that the construction time in a construction site is shortened, the curing time and speed of the UV resin can be effectively controlled, the success rate is improved, and the liner repairing quality is ensured.

The invention discloses a stator wire rod insulation onsite repairing method for a large generator. The stator wire rod insulation onsite repairing method uses materials of a mica tape with low dosage of adhesive, a mica tape with high dosage of adhesive, room-temperature cured epoxy resin adhesive, a pre-impregnated glass tape (PG band) and the like; a main insulation damaged part of the stator wire rod is repaired on the site of accident of the generator; through a reasonable and reliable repairing process, the main insulation repairing of the wire rod is completed within a short time; it is ensured that the repaired stator winding can satisfy long-term, stable and reliable operational requirements of a machine set; meanwhile, a technological process of stator wire rod insulation onsite repairing for the large generator is specified; all repaired machine sets are re-input into operation; the repaired winding is excellent and reliable in insulation performance; and compared with a former generator accident treatment method, the stator wire rod insulation onsite repairing method can ensure the repairing quality, avoid disassembling and replacing of the stator wire rod, save a huge repairing cost, greatly shorten the rush repairing period, and has great economic benefit and social benefit.

The invention discloses a repair method for complexing of inner flow passages of single-crystal or directional-crystal alloy blades. The repair method includes step S100, judging and analyzing blade failure and defects before repair; step S200, cutting failure or defective portions of the blades, and polishing and cleaning the blades; step S300, mounting pre-produced and pretreated complexing molds used for guaranteeing high-accuracy complexing of inner flow passage structures of the blades, and fastening the complexing molds in to-be-repaired blade cavities, wherein the complexing molds are core molds with outer surfaces capable of forming blade cavity flow passages through solidification of follow-up blade material melts; step S400, preheating to-be-repaired portions to more than 75% ofa material melting point calculated by Kelvin, and allowing the blade repair portions to extend externally to grow in a direction control way according to a metal melt filling method; step S500, removing the complexing molds after metal cladding, and performing follow-up processing on the blades. The repaired blades meet application requirements of the single-crystal or directional-crystal blades,service life of the blades is prolonged to the greatest extent, and the repair method has great theoretical and practical significance.

The invention relates to a grouting repair method for concrete cracks, and the method mainly used for repairing the concrete cracks through grouting. According to the method, the grouting liquid filling degree can be observed and judged, and the repair quality of the concrete cracks is ensured. In the method, an X-ray machine, a computer, a detection agent, grouting equipment and grouting liquid are mainly included. The working principle is as follows: the grouting equipment is used for pressing the detection agent in the concrete cracks, the X-ray machine is used for irradiating the concrete cracks, a crack distribution map is displayed on a display screen of the computer, a crack striograph A is formed, the grouting equipment is used for pressing the grouting liquid in the concrete cracks, meanwhile the X-ray machine is used for irradiating the concrete cracks, a striograph B is displayed on the display screen of the computer, working personnel compares the crack striograph A and the striograph B, if the striograph B can completely cover the striograph A, it shows that the concrete cracks are filled with the grouting liquid, and if the striograph B can not completely cover the striograph A, grouting needs to be conducted continually until the concrete cracks are completely filled with the grouting liquid.

The invention relates to a damaged asphalt pavement repairing structure and a seam sealant-pouring repairing method thereof. An asphalt pavement surface layer is included, slab-breaking seams are generated in the damaged asphalt pavement surface layer, multiple pairs of embedded steel bar holes are formed in the two sides of each slab-breaking seam in pairs, and the embedded steel bar holes are distributed in the extending direction of the slab-breaking seams. Steel bars are vertically inserted into the embedded steel bar holes, seam filling grooves are formed in the slab-breaking seams, and each seam filling groove is located between the corresponding embedded steel bar holes at the two sides. An asphalt repairing part with a rectangular cross section is arranged in each seam filling groove, the upper surface of each asphalt repairing part is covered with a sealing film, and the spaces between the slab-breaking seams and the asphalt repairing parts are filled with phenolic aldehyde-nitrile rubber adhesives. According to the key points of the technical scheme, in the repairing process, the durability of the repaired pavement is improved, the maintenance cost can be effectively lowered, the construction period is shortened, the slab-breaking seam repairing quality is guaranteed, and thus the road service life is prolonged.