60results about How to "Less stringent requirements" patented technology

The invention relates to the technical field of plug seedling transplanting equipment, in particular to transplanting equipment for plug seedling and a fixed-depth transplanting method. The transplanting equipment comprises a walking mechanism, a rack, a seedling taking and feeding device, a circulating feeding mechanism and a planting mechanism, the seedling taking and feeding device, the circulating feeding mechanism and the planting mechanism are installed on the rack, an adjusting assembly used for adapting to land fluctuation on a planting belt is arranged between the walking mechanism and the rack, and a detection plate of the adjusting assembly is connected with a frame body of the walking mechanism through a rotating shaft; the angle sensor is used for collecting a rotation angle formed by rotation of the detection plate along with land fluctuation on the planting belt, and the control module is used for receiving the rotation angle, calculating a height change value of the land fluctuation on the planting belt according to the rotation angle, and controlling the execution component to drive the rack to move according to the height change value so as to compensate the planting depth. The transplanting equipment for plug seedling culture is adaptive to land fluctuation on a planting belt, the consistency of seedling planting depth is improved, and the planting effect is improved.

The invention provides a high-temperature-resistant and high-pressure-resistant chemical pipeline corrugated pipe sealing ball valve and relates to the field of valves, the high-temperature-resistant and high-pressure-resistant chemical pipeline corrugated pipe sealing ball valve comprises a valve body, a valve seat assembly, a ball body and a valve rod, an upper valve cover is arranged above the valve body, a first inlet and a first outlet are formed in the valve body in the axial direction, and a first through hole is formed in the ball body; the first inlet, the first through hole and the first outlet form a medium flow channel, a first cooling cavity is formed in the valve body corresponding to the lower end of the ball body, a second cooling cavity is formed in the valve body corresponding to the valve seat assembly, a third cooling cavity is formed in the upper valve cover in the axial direction of the valve rod, and a communicating pipeline is arranged between the second cooling cavity and the third cooling cavity. The communicating pipeline is provided with a liquid inlet connector, the communicating pipeline, the first cooling cavity, the second cooling cavity and the third cooling cavity are communicated to form a cooling flow channel, and the cooling flow channel is not communicated with the medium flow channel. The ball valve is provided with the cooling flow channel, so that the ball valve can play a self-compensation function of the corrugated pipe valve seat and can be effectively protected from being damaged, and the sealing performance of the valve rod and the upper valve cover is good.

The invention relates to a LiDAR point cloud precision enhancement method based on POS trajectory correction, and the method comprises the steps: laying a target control point, and obtaining data; fusing the base station GNSS data, the mobile station GNSS data and the inertial navigation measurement data to obtain an initial POS trajectory; importing actual measurement coordinates of a target control point on the basis of the laser scanning data and the initial POS trajectory, and fusing nearby point clouds to obtain pre-fused point clouds; matching and fitting to obtain a fitting center point; searching the nearest point cloud, and interpolating the time of the fitting center point according to the GPS time information; and correcting the initial POS trajectory according to the actually measured coordinates of the two target control points obtained at the same time and the coordinates of the point cloud target, and performing secondary fusion with the laser scanning data to obtain result data. According to the method, the automatic target matching and center point fitting algorithm is adopted, the error introduction of manual target point selection is reduced, the strict requirement for field data acquisition is reduced, and the working efficiency is improved.

The invention discloses a vibration control method for lifting construction of a target object, and the method comprises the steps: measuring the height of the target object at any moment, determining the mass of a damping box body, and determining the optimal frequency ratio and the optimal damping ratio of a TMD and a bearing structure based on the mass of the damping box body, the TMD comprises the damping box body and a lifting device used for lifting the damping box body, the bearing structure comprises a lifting target object and a distance measuring device for measuring the height of the target object, the suspension length of the damping box body is determined based on the height of the target object under the condition that the optimal frequency ratio and the optimal damping ratio serve as constraint conditions, and the damping box body is lifted according to the suspension length, so that the damping box body is lifted at the moment t; the suspension length of the damping box body is matched with the height of the target object so as to eliminate or weaken the vibration influence. In the construction process of lifting the target object, vibration, caused by wind loads, of the target object can be eliminated or weakened, and the construction safety is improved.

The invention discloses a traffic violation evidence obtaining method and device, the method is applied to the traffic violation evidence obtaining device, the traffic violation evidence obtaining device comprises a detection unit, an imaging unit and a light supplementing unit which are connected to a control unit, and the method comprises the steps that the control unit controls the imaging unit to continuously obtain videos of a target area; when the detection unit detects that traffic violation events exist in the target area, the control unit executes the following steps that A, the light supplementing unit is controlled to flash towards the target area; and B, selecting at least one frame of target image with effective light supplement from the video, wherein the target image is used as evidence of the traffic violation event. According to the invention, a lower-cost and simpler equipment structure can be realized, and clear traffic violation evidence images can be effectively obtained under various illumination conditions.

The invention relates to the technical field of dental floss pick injection molding materials, in particular to a PHA degradable injection molding material for dental floss picks and a preparation method of the PHA degradable injection molding material. The invention relates to a PHA degradable injection molding material for a floss pick. The PHA degradable injection molding material is prepared from the following components: bio-based poly (3-hydroxybutyrate), nano cellulose fibers, a polylactic acid copolymer, poly (butylene adipate-co-butylene terephthalate), graphene nanosheets, zinc stearate, an antioxidant 1010 and silver nanoparticles. The full-biodegradable material is adopted, the bio-based content reaches up to 70% or above, degradation can be achieved under the household composting condition, and the problem that traditional dental floss picks are difficult to degrade after being used in a large amount is solved; by optimizing the formula, the material has high rigidity and is suitable for being used as materials such as knives, forks and spoons; by optimizing the processing technology, simplifying the preparation process and reducing the strict requirements on equipment and technology, the preparation process is simpler and more convenient.

The invention relates to portable dual-mode valve detection equipment and a use method, and belongs to the field of valve detection. Comprising a control system module, a measurement module, a pressurization module and a wastewater management module, and the pressurization module comprises a water tank, a ball valve, a filter, a gas-liquid booster pump and an energy accumulator. The wastewater management module is used for managing and recycling wastewater flowing into the system from the water tank; one end of the ball valve is communicated with an outlet of the water tank and used for controlling output of the water tank; the other end of the ball valve is communicated with the filter; the gas-liquid booster pump communicates with the end, away from the ball valve, of the filter and is used for providing a pressure source for the energy accumulator in a high-pressure interval. The energy accumulator is communicated with the end, away from the filter, of the gas-liquid booster pump and used for maintaining the stability of a pipeline system and reducing the phenomena of pulse, vibration and the like. The equipment can perform dual-mode detection on various valves, is wide and stable in test pressure range, can better meet the requirements of convenience and high efficiency, and is suitable for various application scenes.

The invention relates to the technical field of computer vision and artificial intelligence, and discloses a product appearance defect detection device based on a multi-modal model, the product appearance defect detection device comprises a base and an image recognition device, the image recognition device has multiple operation modes of vision, infrared and 3D scanning, and an auxiliary support and a support ring frame are respectively mounted at the top and in the middle of the base. According to the product appearance defect detection system and detection equipment based on the multi-modal model, an arranged image recognition device is driven by a corresponding third meshing output part, a second gear sleeve plate and a movable annular plate, and the image recognition device rotates and is adjusted around a composite detection supporting part; according to the invention, the image recognition device is integrated with visual data, infrared data, 3D scanning data and other modal data, so that the whole equipment can capture and analyze product appearance information in more dimensions, and even defects which are sensitive to light or hidden can be accurately recognized.

The application belongs to the technical field of radar signal processing and imaging, and provides a differential coupling single-frequency time-varying low-quantization imaging method, which comprises receiving a SAR echo signal, constructing a single-frequency time-varying threshold signal, single-bit quantization processing of a reference channel, single-bit quantization processing of a phase shift channel, double-channel data fusion and harmonic cancellation, and imaging processing based on a synthesized signal. The application effectively reduces the quantization noise base and improves the detection capability of a SAR system on weak targets under the premise of not significantly increasing the hardware cost.

The invention provides a reflector fixing and adjusting device which comprises a reflector base used for fixing a reflector, a connecting base is arranged on the back face of the reflector base, an adjusting base is arranged in a cavity of an optical machine shell, elastic bases are arranged on the side walls of the reflector base and the adjusting base and connected through screw pins, the adjusting base covers the periphery of the connecting base, and a spring is arranged between the adjusting base and the connecting base. A mirror base adjusting rod is arranged on the adjusting base, an adjusting base adjusting rod is arranged on the machine shell top wall of the light machine machine shell, and a built-in limiting plate is arranged on the lower end face of the side wall of the machine shell. According to the invention, the translation of the adjusting seat can realize the translation of the normal of the reflecting mirror and the position of the adjusting operation of the deflection adjustment of the normal of the reflecting mirror on the back surface of the reflecting mirror, so that the problem of space limitation caused by narrow space on the side surface of the reflecting mirror is solved, and at least four-degree-of-freedom adjustment of the reflecting mirror in the narrow space is met.

The invention belongs to the technical field of psicose preparation, and particularly relates to a method for extracting psicose crystals from psicose fermentation broth, which comprises the following steps of: performing ceramic membrane filtration and nanofiltration on the psicose fermentation broth, concentrating a nanofiltration filtered phase, performing activated carbon decoloration, performing chromatographic desalination decoloration by using a sodium chromatographic column, and performing freeze-drying to obtain the psicose crystals. And collecting the slow component for cation and anion exchange, concentrating the obtained ion exchange liquid, performing chromatographic purification by using a calcium type chromatographic column, collecting the rear-end AD liquid, and evaporating and concentrating the AD liquid. Cooling to room temperature, adding psicose ground powder as a seed crystal, adding ethanol while stirring to separate out crystals to obtain a solid-liquid mixture, and centrifuging the solid-liquid mixture to obtain psicose crystals. By adopting the method disclosed by the invention, the crystalline psicose can be extracted from the psicose fermentation liquor in a high-efficiency and energy-saving manner, and the psicose with better crystal form and higher purity and yield is obtained.

The invention discloses an efficient and low-cost production method of thin-specification and high-grade non-oriented silicon steel. The production method comprises the steps that the initial rolling temperature of hot rolling and finish rolling is larger than or equal to 950 DEG C, the finish rolling temperature is (830-880) + / -15 DEG C, and the coiling temperature is (600-650) + / -15 DEG C; acid continuous rolling, wherein a multi-rack acid continuous rolling unit is adopted for acid pickling and multi-pass cold rolling; normalizing a rolled hard board, wherein the normalizing temperature is (850-1000) + / -10 DEG C, and the tension in a normalizing furnace is 8-10N / mm < 2 >; performing single-stand finish cold rolling: performing finish cold rolling by adopting a single-stand rolling mill; and annealing, wherein the annealing temperature is 850-1050 DEG C, and a finished product with the thickness of (0.15-0.50) + / -0.003 mm is obtained. A specific process combination of normalizing after obtaining a rolled hard plate through acid continuous rolling and then carrying out single-rack finish cold rolling is adopted, so that the existing hot-rolled plate normalizing technology is replaced, and the unification of high efficiency, low cost and high quality is achieved.

This invention provides a method for identifying the authenticity of wheat flour based on the fusion of Raman and near-infrared spectroscopy, belonging to the field of wheat flour authenticity identification technology. The method includes: acquiring Raman and near-infrared spectral data of the wheat flour sample to be tested, and preprocessing them separately; constructing and training a fusion detection model, which includes a data-level fusion module, a feature-level fusion module, and a decision-level fusion module; the data-level fusion module generates full-spectrum fusion data; the feature-level fusion module concatenates core features into a comprehensive feature set; the decision-level fusion module inputs the comprehensive feature set into a hybrid model; and the trained fusion detection model processes the comprehensive feature set to output the authenticity identification result of the wheat flour sample to be tested. This invention, through a three-level spectral fusion architecture and a dynamic adaptive adversarial mechanism, can effectively achieve high-precision and high-robust identification of wheat flour authenticity.

This invention relates to the preparation and application of silicon-carbon anode materials, and discloses a silicon-carbon anode material modified with lithium phosphide nanoparticles, its preparation method, and a secondary battery. The material has a core-shell structure, with the core comprising porous carbon and lithium phosphide nanoparticles and silicon nanoparticles generated in situ within the micropores of the porous carbon; the shell comprises a composite coating layer composed of amorphous carbon and carbon nanotubes; silicon accounts for 45-65 wt% of the modified silicon-carbon anode material by mass, and the P / Si molar ratio of the lithium phosphide nanoparticles to the silicon nanoparticles is 2:98~30:70. A small amount of phosphorus source is first deposited in the porous carbon micropores, followed by lithiation treatment to convert the phosphorus in the porous carbon into lithium phosphide nanoparticles, then a second deposition of silicon nanoparticles, and finally overall carbon coating. This invention's modified silicon-carbon anode material improves the problem of rapid impedance increase in the low-charge range of silicon-carbon anode materials, significantly enhancing the user experience.

This invention discloses a high-precision three-dimensional deformation extraction method using multi-track InSAR, comprising: acquiring multi-track LOS-direction deformation; establishing a set of equations relating LOS-direction deformation to three-dimensional deformation, and establishing a set of equations relating LOS-direction deformation to two-dimensional deformation; obtaining three-dimensional deformation, as well as vertical and east-west deformation; establishing three-dimensional and two-dimensional deformation error propagation models; establishing an additional systematic error propagation model; establishing an objective function and adding regularization constraints to the objective function; obtaining an objective function matrix based on the objective function with constraints and the established error propagation model; obtaining the LOS-direction deformation error that satisfies the minimum value of the objective function based on the objective function matrix; substituting the LOS-direction deformation error into the three-dimensional and two-dimensional deformation error propagation models to obtain the three-dimensional deformation error; and obtaining the three-dimensional deformation result based on the three-dimensional deformation error. This method achieves the goal of improving the accuracy of three-dimensional deformation, especially significantly improving the accuracy of north-south deformation.

The utility model belongs to furniture connecting equipment technical field provides a kind of connecting structure for children room non-standard plate, including first connecting piece and second connecting piece. First connecting piece has hollow accommodating cavity, one end is provided with the jack hole being communicated with accommodating cavity, and accommodating cavity includes first accommodating section, and the radial dimension of first accommodating section gradually increases along the direction away from the one end of first connecting piece. Second connecting piece includes base portion and multiple elastic locking portions along the circumferential distribution of base portion, multiple locking portions can be gathered or expanded outward along the radial direction, and multiple locking portions can be moved into first accommodating section through jack hole. When locking portion is located in first accommodating section, locking portion keeps abutment with the inner wall of first accommodating section under the action of its own elasticity, to limit locking portion from first accommodating section. The connecting structure provided by the utility model has the advantages of strong adaptability, high safety, easy installation and neat appearance.

The invention discloses an offshore wind power jacket feeding structure and a grouting operation device. The offshore wind power jacket feeding structure comprises a feeding bin with a plurality of limiting plates, a first jacking assembly and at least two sliding rails with bag breaking cutters, the limiting plates are rotationally connected with the feeding bin, the ends of the two sliding rails are oppositely arranged in the feeding bin, and the first jacking assembly is connected with the sliding rails; when the limiting plates are located at the initial positions, the multiple limiting plates form a material guiding opening, and the bag breaking cutter is located at the adjacent ends of the two sliding rails. The grouting operation device comprises the offshore wind power jacket feeding structure. According to the feeding structure, a guiding channel is formed in the initial position, namely the non-bag-breaking stage, a guiding opening forms a guiding channel, automatic centering is achieved through the dead weight of the ton bag, the problem of falling point deviation caused by shaking in offshore operation is effectively solved, it is ensured that the bag breaking position is accurate, meanwhile, swinging of the ton bag is remarkably restrained, and operation safety is improved.

The application discloses a mass spectrum combined characterization qualitative and quantitative method and system of unified hidden state, relates to the cross field of analytical chemistry, bioinformatics and artificial intelligence data processing, the method obtains original data and instrument / method metadata containing LC-MS / MS, encodes to form a condition vector and is used for conditional modulation, constructs wave encoder and particle encoder, respectively Tokenizes continuous chromatographic signal and discrete fragment peak set into wave encoder and particle encoder to obtain wave representation and particle representation, realizes cross-modal interaction through wave-particle fusion module, forms unified hidden state or object-level unified hidden state set, adopts two-stage training of self-supervised pre-training and task fine-tuning, and applies conditional quantitative operator and qualitative operator to unified hidden state or object-level unified hidden state set in the inference stage, and parallelly outputs quantitative results and identification score / probability, and is suitable for end-to-end qualitative and quantitative analysis in DDA / DIA scene.

The invention provides a novel potato chip production process, and relates to the technical field of potato chip production, through accurate process steps and parameter control, such as PEF treatment to increase toughness and surface flatness of potato chips, crispy skin formation in a drying step, and accurate temperature and time control in an oil bath step, the potato chips present a unique taste, have crispy surfaces, and also have good taste. The high-quality French fries have the advantages that the French fries are high in quality and soft inside, the requirements of consumers on the high-quality French fries are met, a high-pressure spraying and ultrasonic combined cleaning mode, a steam peeling method and automatic slitting, fixation, cooling and drying equipment are adopted, the automation degree of production is improved, manual intervention is reduced, the production efficiency is improved, and the production cost is reduced. And quality fluctuation caused by human factors is reduced, the stability and consistency of product quality are ensured, and resources such as cleaning water, steam, electric power and edible oil are reasonably controlled and optimally utilized in the production process.

The invention belongs to the technical field of explosion-proof POS machines, and discloses a method for solving the problem of the creep distance of a connector bonding pad of an explosion-proof POS machine, and the method comprises the specific steps: 1, firstly obtaining the pin spacing of a connector socket, taking the socket with the pin center point distance of 0.8 mm as an example, and taking the pin center point distance of 0.8 mm as an example; and at the moment, the worker judges that the equipment cannot meet the creepage distance requirement required by explosion prevention. According to the invention, the socket pins and the PCB pads are fully covered with the pouring sealant, the environment between the pins is completely sealed and isolated, contact of air, dust and impurities is effectively prevented, the conductive risk caused by external factors is eliminated, under the design, electrical connection similar to an internal structure is formed between the pins and the pads, the explosion-proof safety of a system is remarkably improved, and the service life of the system is prolonged. According to a specific explosion-proof standard, the minimum distance between the two bonding pads under the sealing structure only needs to meet 0.2 mm, so that the harsh requirement on a physical interval is greatly reduced, and a solution is provided for compact and efficient electrical design.

The invention discloses a high-image-quality ultraviolet objective lens based on a reflection symmetric structure, and particularly relates to the technical field of high-precision optical lenses, the high-image-quality ultraviolet objective lens comprises a ninety-degree prism and a protection window, a first lens is arranged on one side of the ninety-degree prism, a second lens is arranged on one side of the first lens, a third lens is arranged on one side of the second lens, and the protection window is arranged on the ninety-degree prism. A fourth lens is arranged on one side of the third lens, a fifth lens is arranged on one side of the fourth lens, and a sixth lens is arranged on one side of the fifth lens; the objective lens adopts a reflection symmetrical structure, incident and emergent rays are symmetrical to the axis, and the same lens is imaged in an up-down symmetrical position, so that the system magnification is constantly 1x, distortion can be compensated to be below 2 * 10 <-5 >%, the lens material has high transmittance and low absorption in an ultraviolet band, the focal plane temperature drift is reduced, accurate exposure is ensured, and the chip manufacturing yield is improved. And meanwhile, the modular design and the high-precision interface are convenient to assemble and maintain, and cost is reduced.

The utility model belongs to polytetrafluoroethylene film processing equipment technical field discloses a kind of polytetrafluoroethylene film intelligent heating setting equipment, the equipment includes rack, unwinding mechanism being arranged on rack, winding mechanism and the heating setting box between being located unwinding mechanism and winding mechanism, heating setting box is equipped with several guide rollers and heating roller, polytetrafluoroethylene film passes through guide roller and heating roller in turn, heating setting box is divided into multiple independent temperature control zones along the width direction of film, at least one heating unit and temperature sensor are equipped in each independent temperature control zone, equipment further includes film state detection unit being arranged before the entrance of heating setting box, and a controller, controller is connected with film state detection unit, the temperature sensor of each independent temperature control zone and heating unit respectively.The utility model can be adjusted setting temperature according to the real-time state of film, improve setting uniformity and product quality, enhance process adaptability.

The embodiment of the specification discloses a shape sensing method and system of a rope-driven continuum robot, at least two flexible sensors are fixed on a flexible skeleton in a spiral manner, the method comprises the following steps: establishing a general shape sensing model based on a constant curvature assumption; for any joint module: driving the joint module to a test shape, based on the general shape sensing model, solving the actual fixed position of the flexible sensor by using a numerical iteration method; driving the joint module to a working shape, based on the general shape sensing model and the actual fixed position of the flexible sensor, solving the output value of the flexible skeleton shape parameter by using a numerical iteration method; determining the robot shape based on the output value of the flexible skeleton shape parameter corresponding to each joint module. The application does not need to consider the fixing accuracy when fixing the flexible sensor, the model is established and calibrated, the change of the robot shape is accurately sensed, and the problems of high sensor installation accuracy and poor sensing reliability in the prior art are solved.

The utility model relates to a connecting pipeline of a municipal drainage system, which comprises a first pipe body, a second pipe body, a left connecting disc, a right connecting disc and a locking nut, the first pipe body and the second pipe body are provided with connecting grooves with L-shaped sections, the sections of the left connecting disc and the right connecting disc are both L-shaped, and the left connecting disc and the right connecting disc can be connected into the connecting grooves. Wherein a plurality of screws are arranged on the circumference of the left connecting disc in an array mode, through holes for the screws to penetrate through are formed in the right connecting disc, and the screws penetrate through the through holes and then are locked through locking nuts. According to the connecting pipeline, the L-shaped connecting grooves are formed in the pipe bodies, meanwhile, the design of the left connecting disc and the design of the right connecting disc are added, so that the first pipe body and the second pipe body can be in butt joint without precise thread alignment or tedious welding operation, and only the left connecting disc and the right connecting disc need to be simply inserted into the corresponding connecting grooves and then locked through the locking nuts; and the convenience and the working efficiency of pipeline connection are remarkably improved, and particularly, excellent practicability is shown in a narrow or limited working environment.

The utility model discloses an intravascular stent and a stent system. The intravascular stent comprises a plurality of supporting pieces of an annular waveform structure, and the multiple supporting pieces are arranged at intervals in the axial direction of the intravascular stent; the connecting pieces are of annular wave-shaped structures, and the connecting pieces are connected to every two adjacent supporting pieces in the axial direction; at least one windowing structure, wherein no supporting piece and connecting piece are arranged in the windowing structure; the connecting bones are connected to the supporting pieces along the peripheral wall of the intravascular stent to form a circumferential boundary of the windowing structure. According to the intravascular stent provided by the invention, the possibility that a supporting piece or a connecting piece on the side wall of the intravascular stent shields an opening of a branch blood vessel can be reduced, a space is created for further intervention on the branch blood vessel in a long term, and the connecting bone provides certain supporting force in the axial direction and the circumferential direction for the windowing structure; the stability and safety of the intravascular stent after implantation are improved, and the risks of collapse, shortening, deformation, dislocation and the like of the windowing structure are reduced.

This invention belongs to the field of robotic grinding and polishing technology, and specifically discloses a robotic end-to-end grinding and polishing equipment and method for complex curved surface parts with rapid changeover. It includes a robot, a loading and unloading unit including loading and unloading trays, with workpieces mounted on quick-change fixtures, a loading and unloading gripping compensation unit including a compensation base, the compensation base having an internally hollow compensation protective cover, the compensation base and the compensation protective cover forming an air cavity, a compensation floating platform within the air cavity, one end of the compensation floating platform passing through the compensation protective cover and fixedly connected to a compensation flange, the compensation flange having a fixed loading and unloading compensation platform, the loading and unloading compensation platform being fixedly connected to the loading and unloading trays, and a belt grinder for rough and fine grinding of workpieces transferred by the robot. This invention, while ensuring high-precision machining consistency, greatly enhances the system's operational stability, process adaptability, and overall equipment lifespan.

This utility model discloses a forklift mast and forklift, including a mast body and a fork carriage. A plurality of first roller groups are provided between the fork carriage and the mast body for relative sliding in a vertical direction. These first roller groups are arranged side-by-side along the left-right direction of the fork carriage. Each first roller group includes multiple rollers disposed on the same side of the fork carriage and distributed vertically. The multiple rollers also include at least two second main rollers located between the first upper main roller and the first lower main roller. Furthermore, the multiple rollers also include at least one second side roller located between the first upper side roller and the first lower side roller. By increasing the number of rollers, this utility model improves the stress distribution on the rollers, thereby reducing the risk of roller failure due to overload and enhancing the overall stability between the fork carriage and the mast body.

This invention relates to the field of aero-engine testing technology, specifically to a sealing structure for a combustion chamber measuring device. It includes a sealing water-cooled base, a sliding plate slidably mounted on the upper surface of the base, a through hole for a test probe to pass through, an annular protrusion surrounding the through hole on the upper surface of the base, an annular mounting groove on the protrusion, and a sealing ring installed within the mounting groove. A guide groove is provided on the lower surface of the sliding plate. Limiting plates are fixedly connected to both sides of the sliding plate on the upper surface of the sealing water-cooled base. Several fixed shafts are fixedly connected to each of the two limiting plates, and limiting wheels are rotatably mounted on the fixed shafts. The limiting wheels vertically limit the sliding plate. By using the limiting wheels to roll downwards and press the sliding plate, the guide groove on the lower surface of the sliding plate and the annular protrusion on the sealing water-cooled base achieve precise alignment, resulting in uniform force on the sealing ring, minimal wear, and achieving a low-friction, high-reliability planar dynamic seal.

The invention relates to a diamond bonding effect improving method based on an argon atom repairing technology, which comprises the following steps: roughly polishing a first diamond, and cleaning a semiconductor and the polished first diamond; a first intermediate layer is deposited on the surface of the cleaned first diamond, a second intermediate layer is deposited on the surface of the cleaned semiconductor, and the first intermediate layer and the second intermediate layer are made of the same material; based on the determined surface etching parameters, etching the first intermediate layer and the second intermediate layer by using an argon atomic beam repair technology until the thickness and the roughness of the first intermediate layer meet preset conditions, and obtaining the etched first intermediate layer and the etched second intermediate layer; and bonding the etched first intermediate layer and the etched second intermediate layer to realize bonding of the first diamond and the semiconductor. According to the method, the problem that the ultrathin interlayer is difficult to bond due to the surface roughness of the diamond is solved, and the bonding stability and efficient heat dissipation performance of the diamond and the semiconductor material are both considered.

This utility model relates to the field of steel formwork installation technology and discloses a steel formwork positioning structure. The steel formwork has positioning components installed on all four sides, and fixing holes are provided on all four sides. Positioning pins are installed on one side in both the horizontal and vertical directions, and positioning holes are provided on the corresponding positions on the other side. Adjustment holes are provided next to the positioning holes in the vertical direction. This steel formwork positioning structure, through the design of concave-convex fits on the left and right sides and rotatable positioning pins, achieves rapid alignment and initial locking of the steel formwork in the left and right directions. The concave and convex designs form a natural guide channel, eliminating the need for precise manual calibration during assembly. The convex side can naturally slide in along the mating surface of the concave side, significantly reducing the difficulty of positioning alignment. Furthermore, after the pin passes through the positioning hole, the head is rotated to be arranged laterally, utilizing the characteristic that the head length is greater than the width of the positioning hole to lock into the hole, effectively preventing the formwork from shifting before subsequent pin fixing.