11 results about "Material repair" patented technology

The utility model relates to building waterproof technical field, a kind of anti-seepage anti-cracking type underground engineering composite waterproof layer structure, base layer further include: the first waterproof layer of playing primary waterproof function, set in the top of the base layer, the top of the first waterproof layer is provided with the second waterproof layer of playing the waterproof effect of reinforcement;The utility model is through the fourfold block of "base layer anti-seepage+coating closed+coiled material barrier+self-repairing concrete", realizes above P12 anti-seepage grade;HPT-X nuclear material inhibits crack generation, non-solidified coating buffering deformation stress, YX-H material repairs microcrack, forms full-cycle anti-cracking system;Polymer coiled material anti-aging, drainage system reduces water pressure, ensure that waterproof layer long-term effective, the structure is through material synergy and system design, solved the problems, such as traditional waterproof layer easy cracking, easy aging, maintenance difficult, applicable to high water level, geologically complex area's underground engineering.

The application relates to a composite material repairing assembly and a composite material repairing method, wherein the composite material repairing assembly comprises: a pretreatment layer, which can be laid on a wind power blade and covers a to-be-repaired area; a pouring auxiliary material layer, which is arranged on one side of the pretreatment layer in a thickness direction of the composite material repairing assembly; a first vacuum layer, which is arranged on a side of the pouring auxiliary material layer away from the pretreatment layer, and covers the pouring auxiliary material layer; and a second vacuum layer, which is arranged on a side of the first vacuum layer away from the pretreatment layer, and has an area greater than that of the first vacuum layer. The composite material repairing assembly can improve repairing efficiency and convenience.

A method for lifting and turning steel structures without welded lifting lugs involves CNC-controlled or manual drilling of permanent openings in the vertical plates or webs of T-beams of the steel structure, with the positions and number matching the crane's lifting points. Permanent reinforcing plates are welded around these openings for reinforcement. The opening dimensions must meet the pin assembly requirements of the turning connection device, and the reinforcing plate dimensions must meet the assembly requirements of the lifting and turning device and comply with safety regulations. After the tooling is connected to the permanent openings in the structure, during lifting and turning at 180°, the load-bearing connecting plate and the free edge of the T-beam are in line contact, facilitating the bearing of line load pressure and thus optimizing the overall stress distribution of the tooling. This method completely eliminates lengthy and high-risk additional processes such as lifting lug installation, flaw detection, cutting, grinding, and base material repair. Preparation time before lifting and turning and post-turning processing time are reduced by more than 80%, significantly improving production line efficiency.

A wind power blade core material repairing device and a method thereof, comprising a moving device, the moving device sequentially sets a glue applying device, a bonding device and a heating device from front to back along a moving direction; the glue applying device comprises a glue applying device and a glue applying box arranged on the moving device, a glue nozzle of the glue applying device is inserted into the glue applying box, rotating plates are arranged on both sides of the glue applying box, and a positioning plate for inserting into a core material gap is arranged at the bottom of the rotating plate; the bonding device comprises a reel I for winding a hot melt cloth, and a reel III for leading out the hot melt cloth and sticking the hot melt cloth to the core material; and the heating device comprises a hot air gun, and an air outlet of the hot air gun faces downward. The device of the application is used to replace manual operation, greatly improves the maintenance efficiency, reduces the maintenance difficulty, ensures the quality of the core material gap filling, improves the core material repairing efficiency and the core material laying process efficiency, and shortens the blade forming time.

This invention belongs to the fields of chemical engineering, hydrometallurgy, and materials preparation technology, specifically relating to a subcritical hydrothermal system based on a circulating tubular reactor group. This subcritical hydrothermal system includes a feeding unit, a closed-loop reaction unit, and a product separation unit. The closed-loop reaction unit consists of a high-temperature shielded circulating pump, a gas-liquid mixer, a parallel multi-channel tubular reactor group, and a high-pressure gas-liquid separator. The core of this system lies in using a forced circulation loop and an "online detection-selective extraction" control strategy to ensure that the material circulates and reacts within the system until the target is reached. The average residence time h is determined by the total system volume V and the target product flow rate F. out Precise control. This invention solves the problems of solid-phase deposition, uneven gas-liquid mixing, and inaccurate reaction time control in subcritical hydrothermal processes, and realizes the enhancement and precise programming control of the reaction process. It is particularly suitable for complex gas-liquid-solid multiphase reaction systems such as waste catalyst resource utilization and battery material repair.

The application belongs to the field of polymer material repair and relates to a preparation method of a composite preparation for repairing aged asphalt, which comprises the following steps: mixing 15-35 parts by weight of a bio-based ester softening component, 5-12 parts by weight of a polarity inducing component and 3-8 parts by weight of an emulsifying aid to construct an oil phase base material with a polarity gradient; dispersing the oil phase base material in water and a stabilizing component by high shear to obtain an oil-in-water kinetic stable microemulsion with a droplet particle size of 50-150 nm; and adding 1-4 parts by weight of an ionic strength triggering component to obtain the composite preparation. The application utilizes the interface in-situ nonlinear phase inversion mechanism triggered by ionic strength to drive the repair component to actively penetrate into the deep micropores of the matrix to be repaired, realizes the molecular-level eutectic melting of the repair component and the aged matrix, restores the sol-gel balance in the matrix, solves the technical problem that the activation is insufficient due to the limited penetration capacity of the conventional preparation, and improves the viscoelastic properties of the regenerated material.

The present application relates to a kind of polyurethane foam acoustic material repair process, mainly solve the existing technology in the presence of polyurethane foam plastic as acoustic package material sound-absorbing layer, there will be tearing, cracking technical problem.The present application is by using a new polyurethane foam acoustic material repair process, including: (1) find the polyurethane foam acoustic material that needs to be repaired, tearing size is less than 10cm, can be repaired;(2) after the dust impurities of one side of tearing, apply a layer of two-component glue, (3) after the dust impurities of the other side of tearing, adhere to the side with glue;After standing, the technical scheme of the repaired acoustic material can be obtained, which preferably solves the problem, and can be used in the repair application of new energy electric vehicle polyurethane foam acoustic material.

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 utility model belongs to quartz tube production technical field, concretely puts forward a kind of quartz tube material automatic repair welding device, including support, the support both sides are equipped with support mechanism;The support mechanism with the support fixed connection is used to support quartz tube material;The support middle part is equipped with driving mechanism, is used to drive quartz tube material rotation;Fixed mounting is installed on the support;Several repair welding mechanisms are equipped on the mounting frame;The repair welding mechanism with the mounting frame sliding connection is used to carry out repair welding operation to the different position of quartz tube material.The utility model adjusts the position of feeding assembly and spray gun assembly on mounting frame, and cooperate driving mechanism drives quartz tube material rotation, to be able to carry out surface fixed-point welding protruding material or defect quartz material pit filling operation on different position of quartz tube material, need not manual operation, reduce labour intensity, improve work efficiency.

The application discloses a kind of real-time visualization and autonomous quantitative evaluation method of self-healing material repair process, first establish "repair degree-time" standard curve, "fluorescence characteristic-time" standard atlas and "fluorescence color-time" standard color chart, then "repair degree-fluorescence characteristic-time" standard atlas and "repair degree-fluorescence color-time" standard atlas are established by time variable, the fluorescence characteristic parameter of damage area is determined, fluorescence characteristic parameter is compared with the "repair degree-fluorescence characteristic-time" standard atlas established, obtains the equivalent repair degree reached by current damage area, or by observing the macro fluorescence color of damage area, and "repair degree-fluorescence color-time" standard atlas is directly compared and estimated repair degree.The application promotes self-healing evaluation from qualitative indication to quantitative characterization, and provides new data dimension for precise evaluation and life prediction of material service state.

The present application belongs to the technical field of aviation composite material maintenance, and relates to a temperature control method and system based on partition heat coupling modeling and collaborative model prediction. The method comprises the following steps: 1. collecting surface temperature signals through thermocouples arranged on the surface of the heated material, and transmitting the signals to the main control board through an amplifier circuit board; 2. based on the partition heat coupling heat transfer model of the repair structure, using the Kalman filtering method to estimate the temperature of the bonding area below the patch in real time, and taking the estimated temperature as the state variable of the collaborative model prediction control; 3. combining the partition temperature deviation and the temperature gradient between partitions, and using the minimum cost function method to calculate the optimal power; 4. transmitting the optimal power to the slave control board through the communication interface, controlling the on-off of the solid-state relay by the slave control board, and adjusting the power output by the power supply to the heating element through the PWM mode, so as to realize partition heating control.