1229results about How to "No damage" patented technology

The invention provides a method for measuring the conductivity and the inner diameter of a pipeline based on sweep frequency eddy current. The method comprises the following steps: establishing an eddy current detection device, designing an absolute eddy current detection coil, placing the coil in a metal pipeline, arranging the coil and the pipeline coaxially, introducing alternating current to excite an alternating magnetic field, and inducing eddy current on the surface and the near surface of the pipeline; establishing a metal pipeline eddy current analysis theoretical model, setting coil geometric parameters, and calculating an analysis expression of coil impedance changing along with excitation frequency; calculating the peak frequency and the corresponding phase value of the impedance phase of the coil in a frequency sweep mode, respectively changing the conductivity and the inner diameter of the pipeline, extracting the corresponding peak frequency and phase value, and constructing an inner diameter relation model based on quadratic curve fitting and a conductivity relation model based on power function fitting; and inverting the inner diameter and the conductivity of the metal pipeline by combining a coil impedance sweep frequency phase measurement result. The method can be used for simultaneously measuring the conductivity and the inner diameter of the pipeline, and is suitable for nondestructive testing and performance evaluation of the metal pipeline.

The invention belongs to the technical field of recoverable epoxy resin, and relates to a degradable epoxy resin system material and application thereof, a body, a composite material and a recovery method thereof. The degradable epoxy resin system material comprises a first component and a second component, the first component comprises first epoxy resin and second epoxy resin, and the second component comprises a first curing agent, a second curing agent and an accelerant; the first epoxy resin is a mixture of one or more of glycidyl ether epoxy resin and glycidyl amine epoxy resin and accounts for 15-35% of the first component by mass, the second epoxy resin is selected from one or more of epoxy resin with the structure containing # imgabs0 #, and the second epoxy resin accounts for 60-80% of the first component by mass; the first curing agent is one or a mixture of more of alicyclic amines and accounts for 40%-60% of the second component by mass, the second curing agent is one or a mixture of more of polyether amines and accounts for 40%-60% of the second component by mass, and the accelerant accounts for 0.5%-3% of the second component by mass. The requirement for vacuum infusion of the wind power blade can be met.

The invention relates to a nano antibody targeting cadherin 17 and application thereof, and relates to the technical field of immunology and molecular biology, the amino acid sequence of a complementary determining region of the nano antibody targeting cadherin 17 comprises CDR1 shown as any one of SEQ ID NO: 21-32, CDR2 shown as any one of SEQ ID NO: 34-45, and CDR3 shown as any one of SEQ ID NO: 47-58. According to the invention, an alpaca immune phage display library is constructed, a series of nano antibody molecules targeting cadherin 17 (CDH17) are screened from the alpaca immune phage display library, and functions and applications of the nano antibody are verified at various levels of CDH17 antigen protein, CDH17 target cells, CDH17 CAR-T cells and the like.

The invention relates to a multifunctional deformation measurement device and a measurement method, and belongs to the technical field of thermal deformation measurement. Manufacturing a multifunctional deformation measuring device; marking the test piece to be tested; calibrating the precision of the measurement system by using a reference standard substance; a temperature sensor is installed on the test platform; vacuumizing treatment is conducted through a vacuum system; temperature control is carried out through a temperature precise regulation and control module; forming a heat radiation boundary; adjusting the visual angle and focal length of the measuring camera; adjusting a monochromatic illumination light source to realize light coverage on the tested piece; spraying speckles on the test piece to be tested; measuring the initial state of the tested piece; temperature control is carried out through a temperature precise regulation and control module; testing and recording the deformation condition of the tested piece at each temperature point in the whole test process; the method can solve the problems that a measurement test piece is only limited to a material-grade sample, the measurement environment simulation application range is small, the measurement error is large and the like in a traditional method, and is used for guaranteeing high-precision measurement of thermal deformation of a large-size composite material structure of a spacecraft.

The invention provides a method for manufacturing a super-flat polycrystalline diamond film on a large scale. The method comprises the following steps: (1) growing a layer of polycrystalline diamond film on a growth substrate with a diamond seed crystal on the surface by adopting a chemical vapor deposition method; (2) cutting off at least one part of the substrate after growth to form a boundary for jointing the polycrystalline diamond film and the growth substrate; (3) sticking a stripping adhesive tape; and (4) the stripping adhesive tape is pulled to strip the polycrystalline diamond film from the surface of the growth substrate, so that the nucleation surface of the polycrystalline diamond film is exposed, and the roughness of the exposed nucleation surface is smaller than that of the growth surface. According to the method, the nucleation surface of the grown polycrystalline diamond film is turned over, the novel and simple method is developed to manufacture the polycrystalline diamond film which is reasonable in price, capable of growing on a large scale, super-flat and transferable, and the method has huge potential in practical application.

The invention discloses an optical fiber aligning method and equipment, and belongs to the technical field of optical fiber maintenance, the optical fiber aligning method comprises the following steps: carrying out macro bending on the light emitting end of an optical fiber, then detecting the optical power change of tail fibers of numerous optical fibers, and if the optical power change of the tail fiber of a certain optical fiber accords with a set incidence relation between a macro bending angle and optical attenuation, determining that the optical fiber aligning is finished. If the optical fiber is subjected to macro bending, the tail fiber of the optical fiber corresponds to the optical fiber subjected to macro bending at the light emitting end, so that an optical fiber pairing link is constructed according to the port information and the tail fiber information corresponding to the optical fiber, the fiber pairing operation of the optical fiber is completed, the fiber pairing operation of all the optical fibers can be completed by repeating the operation, the position of the target tail fiber does not need to be manually found, and the efficiency is improved. The fiber alignment operation can be completed only by detecting the optical power change of the tail fibers under the condition that the number of the tail fibers is large and the relation is disordered, the fiber alignment efficiency is greatly improved, service communication does not need to be interrupted, and the use experience of a user is ensured.

The invention discloses a spherical nano aluminum oxide polishing solution for silicon carbide wafer polishing, and relates to the technical field of preparation of semiconductor silicon carbide wafer polishing materials, and the spherical nano aluminum oxide polishing solution comprises the following raw materials by weight: 0.5-55% of aluminum oxide, 0.05-25% of an oxidant, 0.1-10% of an inhibitor, 0.01-12% of a surfactant, 0.01-15% of a dispersant, 0.1-10% of a pH regulator, and the balance of high purity water. The preparation process comprises the following steps: (1) preparing materials; (2) grinding material pretreatment; (3) mixing; (4) adjusting the pH value; and (5) high-pressure homogenization. The CMP polishing solution has the characteristics of high removal rate, good suspension dispersion performance, no damage to the surface of the silicon carbide wafer, extremely low surface roughness value, long cycle service life, easiness in cleaning, good universality and the like, and is suitable for CMP polishing of semiconductor silicon carbide wafers.

The invention relates to a humanized nano antibody targeting cadherin 17 and application of the humanized nano antibody, and relates to the technical field of immunology and molecular biology. The complementarity determining region of the humanized nano antibody comprises a CDR1 of which the amino acid sequence is shown as SEQ ID NO: 2, a CDR2 of which the amino acid sequence is shown as SEQ ID NO: 4 and a CDR3 of which the amino acid sequence is shown as SEQ ID NO: 6; a framework region of the humanized nano antibody comprises an FR1 of which the amino acid sequence is shown as any one of SEQ ID NO: 1 and SEQ ID NO: 8, an FR2 of which the amino acid sequence is shown as any one of SEQ ID NO: 3, SEQ ID NO: 9 and SEQ ID NO: 11, an FR3 of which the amino acid sequence is shown as any one of SEQ ID NO: 5 and SEQ ID NO: 10, and an FR4 of which the amino acid sequence is shown as SEQ ID NO: 7. According to the humanized nano-antibody, the immunogenicity of the nano-antibody is reduced, the targeted binding activity and killing activity are improved, and the humanized nano-antibody can be used for developing immunodetection reagents, CAR-T / NK cell drugs and antibody drugs.

The invention provides a rapid repairing method for an aerospace carbon fiber composite material, and belongs to the technical field of carbon fiber composite material repairing, in the aspect of cleaning, a special cleaning agent for self-research is free of damage and efficient, a preset cleanliness can be achieved by matching with a tool with a replaceable brush head, a foundation is laid for repairing, the damage is accurately measured by advanced detection equipment, the detection precision is 0.1 mm, and the detection efficiency is high. The repair material is scientific in formula and reasonable in component proportion, it can be guaranteed that the performance of a repaired part is close to that of an original part, the strict repair technology such as vacuum auxiliary pressure injection and autoclave curing guarantees sufficient curing and optimal performance of the material, and it is guaranteed that the quality reaches the standard through surface treatment and detection; all the devices of the equipment cooperate and are provided with intelligent systems, parameters can be regulated and controlled, the technology can be automatically adjusted, the structure meets special aviation requirements, carrying and operation are convenient, various scene requirements are met, and the equipment has great significance in guaranteeing aircraft operation and flight safety.

The invention discloses an electrode assembly and a battery. The electrode assembly comprises a plurality of pole pieces and an isolating membrane arranged between two pole pieces with opposite polarities, and at least one pole piece is provided with a plurality of first convex parts; the pole piece comprises a current collector and an active material layer arranged on the surface of the current collector, the first convex part is formed by bending a part of the current collector and a part of the active material layer towards the same side of the pole piece, the height of the first convex part is H1, and H1 is more than or equal to 20 microns and less than or equal to 80 microns; the active material layer comprises a softener, the softener is selected from at least one of organic silicon, fatty acid salt and quaternary ammonium salt, based on the total weight of the active material layer, the weight percentage of the softener is A, and A is larger than or equal to 0.01% and smaller than or equal to 0.4%. In the application, the softening agent is added into the active material layer to improve the overall flexibility of the pole piece 300, so that the active material layer at the first convex parts does not generate microcracks while the height of the first convex parts is higher, further, an electrode assembly capable of meeting the use requirements can be conveniently processed, and the electrolyte infiltration effect is improved.

The invention provides a preparation method of a shallow trench isolation structure and a semiconductor structure, and particularly relates to the technical field of semiconductors. The preparation method of the shallow trench isolation structure comprises the steps that a substrate is provided, the substrate comprises a substrate body and trench oxide formed in the substrate body, and the portion, protruding out of the substrate body, of the trench oxide is provided with a recess; forming a patterned hard mask layer on the substrate, wherein the patterned hard mask layer is provided with an opening in a region corresponding to the trench oxide; forming an oxide layer on the patterned hard mask layer, wherein the oxide layer covers the trench oxide and fills the recess; planarizing the oxide layer by taking the patterned hard mask layer as a stop layer; and removing the patterned hard mask layer. The method can effectively improve the sinking problem in the shallow trench isolation structure and improve the reliability of the device.

The invention relates to the technical field of fiber product treatment, and discloses a low-energy-consumption rapid chemical separation method for polyester cotton fiber products. The method comprises the following steps: mixing and dissolving a hydrogen bond donor and a hydrogen bond acceptor to prepare a betaine-based eutectic solvent, and mixing the betaine-based eutectic solvent with alkali liquor to obtain a eutectic solvent / alkali composite system; immersing the polyester-cotton product in the deep eutectic solvent / alkali composite system for dissolution reaction, filtering after the reaction is finished, taking undissolved components in the polyester-cotton product, washing with water, and drying; according to the method, a betaine-based eutectic solvent / alkali composite system is adopted, polyester fiber components are dissolved in a mild condition within a short time, meanwhile, cotton fiber components are not damaged, the method has the advantages of being low in cost, environmentally friendly and the like, and rapid quantitative analysis of the polyester and cotton fiber components is achieved.

The invention relates to the technical field of polishing solutions, in particular to an efficient and environment-friendly chemical polishing solution and a preparation method thereof. The chemical polishing solution comprises the following raw materials in percentage by weight: 5%-8% of a nano metal abrasive, 2%-4% of a silicon oxide abrasive, 2%-10% of an oxidizing agent, 1%-5% of a complexing agent, 0.05%-0.5% of a corrosion inhibitor and the balance of deionized water. The chemical polishing solution further comprises a pH regulator, and the pH of the chemical polishing solution is regulated to 7.5-8.5 by adopting the pH regulator. The chemical polishing solution disclosed by the invention adopts environment-friendly raw materials, shows a good polishing effect when being used for precision machining of the monocrystalline silicon wafer, and is high in material removal efficiency, and the polished silicon wafer is smooth in surface and free of damage.

The invention relates to a liquid metal dual-network hydrogel patch with intelligent adhesion as well as a preparation method and application thereof, and belongs to the field of bioelectric sensing materials. By utilizing the characteristic that a polymer chain in the hydrogel has temperature-dependent phase change, the hydrogel is endowed with the advantages of intelligent adhesion and on-demand removal without pain and stimulation, and meanwhile, the hydrogel has good mechanical strength, is low in cost and convenient to operate, is suitable for large-scale production, popularization and application, and has wide application prospects. Wide application values are realized in the fields of wound dressings, postoperative care and the like.

The utility model belongs to the technical field of prostate expansion, and particularly relates to a urinary surgery clinical prostate expansion device which comprises an outer catheter, a guide rod arranged in the outer catheter, a groove formed in one end of the outer catheter and an expansion assembly movably connected to the guide rod. The dilation assembly comprises a sleeve connected to the outer wall of the guide rod in a sliding mode, an air bag arranged on the periphery of the sleeve in a sleeving mode and used for dilating the prostate, a pull rod arranged at the position, close to the interior of the outer catheter, of the sleeve and an assembly arranged at the end, away from the air bag, of the outer catheter and used for limiting the pull rod. Through the arrangement of the expansion assembly, not only can the prostate be expanded, but also the air bag can be retracted into the outer catheter when the expansion equipment is placed and drawn out, so that the urethra is prevented from being damaged in the process of entering and exiting the urethra, and meanwhile, the air bag can be accurately reset when the air bag is used.

The invention discloses a method for selectively removing a transparent coating on the surface of a workpiece through laser scanning, which comprises the following steps of: firstly, covering the transparent coating on the surface of the workpiece with a transparent flexible film, filling photosensitive glue between the transparent flexible film and the workpiece, and then curing the photosensitive glue on a custom pattern part by using ultraviolet laser to penetrate through the transparent flexible film to obtain the transparent coating on the surface of the workpiece. Then infrared laser is used for heating the cured photosensitive adhesive layer, so that heat is conducted to the transparent coating, the transparent coating is softened, the photosensitive adhesive layer and the transparent coating are further glued, finally, the transparent flexible film is stripped, and the transparent coating of the user-defined pattern part is removed. According to the method, the transparent coating on the surface of the workpiece is rapidly, accurately and selectively removed, the surface of the workpiece is not damaged, and the method is convenient, rapid, high in safety, environmentally friendly and free of pollution.

The embodiment of the invention discloses a signal processing method and a related device. The signal processing method can be applied to a communication scene. A transmitting end adjusts a power spectrum of a to-be-transmitted signal according to a target frequency of interference or noise, specifically, the transmitting end flips polarities of partial symbols in the to-be-transmitted signal according to the target frequency, so that the power of the to-be-transmitted signal at the target frequency is suppressed, and the signal transmission efficiency is improved. And the influence of interference or noise in the channel on the transmission performance can be resisted. According to the invention, the transmitting end can flexibly adjust the power spectrum of the signal to be transmitted according to the frequency of the interference or noise in practice, so that the signal to be transmitted and the interference or noise are not overlapped in frequency, and the receiving end can effectively filter the interference noise and does not cause damage to the signal from the transmitting end. And the sending end also sends identification information to the receiving end, so that the receiving end carries out inverse transformation of power spectrum adjustment on the received signal according to the identification information, and an original signal before the sending end carries out the power spectrum adjustment is recovered and obtained.

The invention provides a diaphragm, a preparation method thereof and a battery, the diaphragm comprises a porous film, a sensor is embedded in the porous film, and two sides of the porous film are respectively provided with a coating layer; the coating layer is one or both of an oxide and a polymer. The sensor is integrated into the battery diaphragm, so that the detection accuracy of the battery state is higher, the problem can be found at the initial stage of a battery fault, and a hysteresis phenomenon is avoided; the material / structure and the like of the battery cell are not influenced, and the battery cell is not damaged; irreversible damage to the sensor is avoided, and the sensitivity, the accuracy and the stability of the sensor are guaranteed.

The invention discloses an insulating sleeve packaging production line and a control and use method thereof.The insulating sleeve packaging production line comprises a feeding system, a detection system, a pipe cutting and pulling system, a conveying system, a waste collecting system and a bundling and packaging system, and insulating sleeves are conveyed to the detection system through the feeding system; qualified products are pulled and conveyed to the conveying system through the cutting and pipe pulling system, and packaging is completed through the bundling and packaging system; when the detection system detects defective products, single-single cutting is carried out in the pipe cutting and drawing system, and waste collection is completed through the waste collection system. According to the invention, the defects of the sleeve can be detected, the detection device detects the defective sleeve by using the sensor under the condition that a packaging line is not stopped, manual intervention is not needed, the sleeve is not damaged, the quality control of the sleeve is realized in an automatic manner, the detection precision is improved, and a large amount of manpower and material resources are saved.

The invention belongs to the technical field of evaporative condensers, and particularly relates to a multi-stage heat exchange evaporative condenser which comprises a shell, air inlet grilles are arranged on the inner wall of the periphery of the shell, an evaporation heat exchange coil pipe, a spraying piece and a pre-cooling heat exchange coil pipe are arranged in the shell, the spraying piece is located above the evaporation heat exchange coil pipe, and the pre-cooling heat exchange coil pipe is located above the spraying piece. The pre-cooling heat exchange coil pipe is located above the spraying piece and communicates with the evaporation heat exchange coil pipe, and an induced draft fan is arranged at the top of the shell. Impurities attached to the inner wall of the filter cartridge can be scraped and collected through the scraping and collecting mechanism which moves up and down and rotates, cooling water can be made into vortexes from outside to inside through the backflushing mechanism which moves up and down and rotates, and backflushing is conducted on the filter cartridge through the vortexes. And the washed impurities can be collected by the scraping and collecting mechanism, so that the cleanness of circulating water sprayed by the spraying piece is ensured, the spraying piece cannot be blocked, and the evaporation heat exchange coil cannot be damaged.

The invention provides a freeze-dried mask. The freeze-dried mask is prepared from the following raw materials in parts by weight: 70 to 90 parts of deionized water, 15 to 25 parts of algae extract, 3 to 5 parts of mannitol, 0.5 to 1 part of glycerol, 0.3 to 0.5 part of hydrolyzed collagen, 1 to 3 parts of amino acid mixture, 4 to 6 parts of hydroxypropyl tetrahydropyrantriol, 3 to 5 parts of tetrahydromethylpyrimidine carboxylic acid and 2 to 4 parts of hyaluronic acid. According to the freeze-dried mask disclosed by the invention, natural anti-wrinkle and moisturizing components such as the hydrolyzed collagen, the algae extract, the amino acid mixture and the hyaluronic acid are locked on the mask cloth in a freeze-drying manner, so that on one hand, the freeze-dried mask can better supplement moisture and nutrition for human skin when being used; on the other hand, the freeze-dried facial mask prepared from the natural beautifying and skin-care components is free of any irritating component during use, and does not cause damage to the human skin.

The invention belongs to the technical field of circuit board manufacturing and detecting, and particularly relates to a circuit board detecting device and method.The device comprises a workbench, two visual detecting heads arranged on the workbench, a feeding rotary table, a lifting table and a rotary table, the feeding rotary disc is rotationally installed on the upper surface of the workbench, at least six material carrying holes are distributed in the feeding rotary disc in a circumferential array mode, the inner walls of the material carrying holes are in a step shape, material carrying molds are inserted into the steps, and clamping channels are formed in the two sides of each material carrying mold. The upper surface of the workbench is sequentially divided into a lower surface detection area, an upper surface detection area, an X-ray detection area and a live detection area around the feeding turntable; the method comprises steps 1-6. Detection can be carried out in four areas through the same material carrying die, particularly, horizontal clamping and transferring of the circuit board are kept, the deviation correction performance is good in the double-face continuous rapid detection process, and surface electronic elements are not damaged in the whole process.

The invention belongs to the technical field of solar cell production, and particularly relates to a blanking process and system of a cell passivation machine, and the process comprises the following steps: the blanking system receives a passivation carrier which is output by the passivation machine and is loaded with a supporting plate and a cell; carrying the supporting plate in the passivation carrier and the whole stack of battery pieces to a temporary storage mechanism; the battery pieces on the topmost layer are sequentially picked up from the temporary storage mechanism to be output until all the battery pieces in the temporary storage mechanism are output; the supporting plate in the temporary storage mechanism is carried into a passivation carrier; and passivating carrier output with a supporting plate. The system comprises a passivation carrier, a carrying mechanism, a temporary storage mechanism and a battery piece picking mechanism. The carrying mechanism can carry the supporting plate and the whole pile of battery pieces into the temporary storage mechanism from the passivation carrier, and the battery piece picking mechanism can pick up the battery pieces on the top layer from the temporary storage mechanism and output the battery pieces on the top layer. Efficient, safe and damage-free blanking of the battery pieces is achieved, and powerful technical support is provided for development of the photovoltaic industry.

The invention provides a cleaning agent with double effects of cleaning and sterilization for a scrubber and a preparation method of the cleaning agent. The cleaning agent comprises the following components in parts by weight: 5-10 parts of a solvent, 10-20 parts of a surfactant, 0.5-3 parts of a washing assistant, 0-1 part of a pH regulator, 1.5-3 parts of a bactericide, 0.3 part of essence, 0.01-0.1 part of an organic silicon emulsion and the balance of deionized water, wherein the total parts by weight of the components are 100. According to the invention, low-foam and foam-inhibiting components and long-acting antibacterial components are added, and the surfactant matched with the system and the addition amount of the surfactant are adjusted at the same time, so that while the cleaning and decontamination capabilities are ensured, the cleaning agent is endowed with strong bactericidal capability and long-acting antibacterial performance, the interior and exterior of the scrubber equipment are not damaged, and the occurrence of the situation that the equipment is mistakenly reported and halted is avoided.

The invention belongs to the technical field of ceramic ring cleaning, and particularly discloses an automatic cleaning device and method for a piezoelectric ceramic ring of an underwater acoustic transducer. A first mover module and a second mover module are arranged on the portal frame structure, the first mover module is used for driving the second mover module to do horizontal reciprocating motion along the cross beam, and the second mover module is used for adjusting the height of the spray gun; and a third rotor module is arranged at the bottom of the portal frame structure, a ceramic ring mounting jig is arranged on the third rotor module, and the third rotor module is used for driving the ceramic ring mounting jig to move front and back. Horizontal displacement of the spray gun is achieved through the first mover module, vertical displacement of the spray gun is achieved through the second mover module, front-back movement of the ceramic ring mounting jig is achieved through the third mover module, it is guaranteed that the position of the spray gun can be accurately aligned with each ceramic ring, and high-efficiency, high-quality and high-consistency automatic cleaning of the ceramic rings is achieved.

The utility model belongs to the technical field of automobile manufacturing, and particularly relates to a splayed integrated gripper for the front side wall and the rear side wall of a body in white and a gripping lap joint system. The splayed integrated gripper for the front side wall and the rear side wall of the body in white comprises a gripper frame, a connecting flange, a plurality of clamping mechanisms and a valve terminal are arranged on the gripper frame, and the control ends of the clamping mechanisms are connected with the valve terminal; the gripper frame comprises a front frame and a rear frame which are of a rectangular-like structure, the front frame and the rear frame are connected with each other, a connecting flange is arranged between the front frame and the rear frame, a plurality of clamping mechanisms are distributed on the front frame and the rear frame respectively, and a valve terminal is arranged on the front frame or the rear frame. The front frame, the rear frame and the connecting flange are reasonable in layout, and a tool gripper structure similar to an 8-shaped structure is formed. The grabbing mechanism is applied to grabbing work of the front side wall and the rear side wall of the body-in-white, and compared with the prior art, after the grabbing mechanism is connected with a robot, the robot does not need to switch grabbing hands.

The utility model discloses a mother rod guide device for preform processing, and relates to the technical field of polarization maintaining optical fiber processing. The material guiding device comprises a material pressing mechanism and material guiding channels symmetrically arranged on the two sides of the material pressing mechanism, the material pressing mechanism comprises a set of inner stand columns, a lead screw mechanism is arranged between the set of inner stand columns, each material guiding channel comprises a set of outer stand columns, and the two outer stand columns are arranged on the same sides of the two inner stand columns respectively. An outer material guiding belt is arranged between the outer stand column and the opposite inner stand column. By designing the novel guiding device, the conveyor belt type material guiding mechanism can be used for stably guiding a mother rod, the guiding stability is high, the straightness is high, meanwhile, the surface of the mother rod cannot be damaged in the mother rod moving process, the quality of a prefabricated rod is ensured, meanwhile, through the arrangement of the material pressing mechanism, force can be actively, stably and efficiently applied, and the production efficiency is improved. It is ensured that the mother rod can be accurately and stably embedded into the side hole of the prefabricated rod, the machining efficiency is high, and the effect is good.

The invention belongs to the technical field of cobalt-chromium-molybdenum alloy joint casting finished product quality data analysis, and relates to a cobalt-chromium-molybdenum alloy joint casting finished product quality data analysis processing method. According to the method, the raw material coincidence condition, the appearance coincidence condition, the defect condition and the mechanical property condition of the target cobalt-chromium-molybdenum alloy joint casting finished product are analyzed, so that the quality of the raw materials is ensured, and reworking and scrapping caused by raw material problems are avoided; faults and even safety accidents occurring in the use process of the casting due to defects can be avoided, it can be guaranteed that the casting can work normally without being damaged under specific working conditions, and then the body health of a user is guaranteed; by analyzing the difference degree of each item of the target cobalt-chromium-molybdenum alloy joint casting finished product and the traditional cobalt-chromium-molybdenum alloy joint casting finished product, the application and development of the cobalt-chromium-molybdenum alloy in the joint casting field are promoted, and the overall level of the industry is improved.

A method for dismounting and transferring a large immersed tube full-section prefabricated formwork in a limited space comprises the steps that an outer formwork trolley is averagely split into two outer trolley parts, the first outer trolley part is horizontally moved to the front side of a second immersed tube prefabricated area, the first outer trolley part is horizontally rotated to the longitudinal direction, and the second outer trolley part is horizontally moved to the front side of the second immersed tube prefabricated area; and horizontally rotating the second outer trolley part to an inclined state, longitudinally and backwards translating the second outer trolley part to the rear side of the first outer trolley part, horizontally rotating the first outer trolley part and the second outer trolley part to the transverse direction, and assembling the first outer trolley part and the second outer trolley part into the outer mold trolley. According to the embodiment of the invention, the prefabricated template is divided into a plurality of trolley modules, so that the trolley modules can translate towards the second immersed tube prefabricating area along the transverse construction channel, the trolley modules are transferred to the second immersed tube prefabricating area one by one in a transverse translation and rotation mode, and the sequence of the trolley modules is kept consistent in the two immersed tube prefabricating areas; the trolley modules can be combined into the prefabricated formwork again, the number of transferring steps is small, and the construction speed is high.

The invention relates to the technical field of cloth cutting, in particular to a public security raincoat production cloth cutting device which comprises a cutting table installed at one end of the top of a processing table and a conveying belt fixedly installed at one end of the cutting table. The cutting mechanism comprises a supporting frame arranged on the cutting table and a cutting knife installed on the inner side of the supporting frame, a servo air cylinder is fixedly installed at the top of the supporting frame, a driving transverse plate is detachably arranged on an output shaft of the servo air cylinder, and the cutting knife is detachably fixed to the driving transverse plate. The situation that the cloth is mechanically stretched or deformed in the cutting process to affect the size accuracy of the cut cloth can be prevented, the edge of the cut cloth is smooth and tidy, the cutting quality is guaranteed, the cloth cutting precision and the production efficiency are improved, meanwhile, cloth waste is reduced, the raincoat production process can be optimized, and the production cost is reduced. And the quality of finished products can be improved.