36results about How to "Reduce technical difficulty" patented technology

This invention relates to the field of ultrafast laser technology, and provides an optical path folding multi-cavity nonlinear pulse compression device and method. The device includes a multi-cavity module for nonlinear spectral broadening, a mode matching module, and an optical path collimation and dispersion compensation module. The multi-cavity module includes two symmetrical concave mirrors and a nonlinear medium disposed therebetween, at least one dispersion compensation element, and multiple planar mirrors. The planar mirrors and dispersion compensation elements work together to fold and propagate the beam to reduce the effective cavity length; the dispersion compensation element provides dispersion compensation while reflecting to maintain stable pulse propagation, thereby increasing the compression ratio. This invention combines optical path folding with dispersion engineering to maintain stable pulse propagation, breaking the limitation of single-stage multi-cavity spectral broadening ratio, and achieving high-magnification nonlinear pulse compression while significantly reducing the lateral size of the device and improving its compactness.

The application discloses a kind of satellite radiation product-based remote sensing image geometric calibration method, electronic equipment and medium.The method can include: determining reference image, inputting image to be calibrated;For the same name point matching of image to be calibrated and reference image, obtain the same name point coordinates;The third polynomial distortion model about CCD probe element number is constructed;Based on the same name point coordinates, curve fitting is carried out on the distortion model, and the distortion coefficient is obtained;The resampling of image to be calibrated is carried out by distortion coefficient, and the correction of internal distortion of image is realized.The application can quickly and accurately carry out geometric calibration processing to satellite image, greatly improve the efficiency and quality of image processing.

This application provides a call detail record (CDR) billing method, apparatus, device, and computer storage medium. The CDR billing is applied to a first billing system and includes receiving a resource allocation request sent by a second billing system based on a target billing CDR. The resource allocation request includes resource usage information from the target billing CDR and information about cross-provincial billing users in the target billing CDR. If it is determined that there are remaining resources in the first communication resource in the first billing system, the remaining resources of the first communication resource are deducted based on the resource allocation request and the resource usage information of the target billing CDR to obtain deduction result information. The deduction result information is sent to the second billing system so that the second billing system can deduct and bill resources whose resource usage exceeds that of the first communication resource based on the deduction result information. According to this application embodiment, it satisfies the requirement of sharing communication resources within packages across multiple provinces while reducing engineering costs and technical difficulty.

The application discloses a manufacturing method and a using method of a power fitting for stepless adjustment of sag, and belongs to the technical field of power fittings. The power fitting for stepless adjustment of sag comprises a double-end bolt with a rotating disc, the screw rod of the double-end bolt with the rotating disc is connected with a π-shaped nut with the rotating disc at two ends respectively, and the π-shaped nut with the rotating disc and the double-end bolt with the rotating disc are limited by a rotation blocking rod piece. The double-end bolt with the rotating disc mainly comprises a double-end bolt and a rotating disc. The double-end bolt with the rotating disc is manufactured by welding the rotating disc on the nut of the double-end bolt. The π-shaped nut with the rotating disc is installed at two ends of the screw rod of the double-end bolt. The rotation blocking rod piece is installed between the π-shaped nut with the rotating disc and the double-end bolt with the rotating disc. The application can not only greatly reduce the complexity of observation and adjustment of wire sag, but also facilitate correction of the unqualified sag found after acceptance of wire cutting.

This invention discloses a method for protecting the bottom of trenches in wet etching using a photoresist partial filling process. The method includes: fabricating a trench structure on a predetermined area of ​​the wafer surface using plasma etching; applying photoresist to the entire trench structure and the entire wafer surface using spin coating; performing exposure and development on the entire surface of the wafer covered with photoresist using a photolithography machine without a photomask, thereby removing some of the photoresist on the upper surface of the wafer oxide layer and in the upper region of the trench structure, leaving the remaining photoresist in the trench area in a partially filled state; and removing the exposed oxide layer on the wafer surface, thus protecting the bottom of the trench from damage using the remaining photoresist in the trench area. This invention is applicable to both plasma etching and wet etching, effectively reducing the difficulty, cost, and time of etching processes, achieving low cost and a simple process. It is a novel method for eliminating damage to the bottom of deep trenches by using photoresist filling in deep trenches, suitable for wet etching.

The application provides a method for determining the optical axis angle precision of a UAV detector and related devices, the method comprising: obtaining flight information of a UAV at different times, the flight information comprising one or more of position information, speed information and flight direction information. The flight information is input into a pre-constructed dynamic brain function network model to obtain the optical axis angle precision of the UAV detector. In this way, by constructing a dynamic brain function network model of the flight information of the UAV and the optical axis angle precision of the detector, the optical axis angle precision is directly output from the dynamic brain function network model according to the flight information of the UAV, greatly reducing the technical difficulty of determining the optical axis angle precision. The dynamic brain function network model is trained and has high accuracy. Compared with the optical target method which requires the use of precise measuring instruments and high-precision targets, the use of the dynamic brain function network model has lower cost and can realize low-cost and high-accuracy optical axis angle precision calculation.

This invention relates to the field of wastewater treatment and reuse technology, and discloses a wastewater treatment and reuse device for copper concentrate flotation, comprising: a mounting frame as the overall supporting body of the equipment; and a pretreatment unit integrated on one side of the top of the mounting frame. The pretreatment unit includes a pretreatment tank, an anti-clogging filter assembly, and an intermittent jetting assembly. The pretreatment tank is used to receive copper concentrate flotation wastewater and provide pretreatment space. The anti-clogging filter assembly includes a stepped filter screen detachably connected to the inside of the pretreatment tank. Through the deep synergy between the anti-clogging filter assembly and the intermittent jetting assembly in the pretreatment unit, the long-standing problems of easy filter clogging, single function, and poor operational stability in the pretreatment stage of copper concentrate flotation wastewater are effectively solved. At the same time, this invention can avoid the problem of excessive waste or insufficient addition of reagents due to water quality fluctuations in the traditional fixed-dosing mode, ensuring that the three liquid reagents can be fully mixed with the wastewater in the optimal ratio.

The utility model belongs to the technical field of boom tunneling machine, concretely relates to a kind of discharging structure of boom tunneling machine, including shovel, is equipped with sweep material disc on the shovel, and sweep material disc rear is equipped with material conveying belt, and the end of shovel is equipped with sweep material device, and the sweep material device includes shaft, and the shaft is through rotating sleeve and is fixedly connected with rotating sleeve, and the shaft bottom end outer wall is connected with driven wheel.This discharging structure of boom tunneling machine, when tunneling machine operates, sweep material rod rotates under the transmission of shaft, can push the broken material scattered on the outer wall of shovel into shovel quickly, avoid broken material accumulation to affect tunneling.It is followed that sweep material disc relay transports the broken material in shovel to material conveying belt, realizes broken material efficient transfer.This double-effect cooperation significantly widens sweep material range, greatly improves the discharging efficiency of tunneling machine, effectively reduces the operation obstruction caused by broken material accumulation, effectively guarantees tunneling operation continuous, efficient.

The application provides a detection and harvesting integrated device and method of unmanned lotus root harvester, and relates to the technical field of mechanical devices.The relative position relationship between the lotus root stem and the lotus root is detected, and the lotus root is detected and dug.The clamping claw is opened to put the lotus root stem into the clamping claw, and then the lotus root stem is clamped.The longitudinal detection system starts to work, the longitudinal wheel is clamped on the lotus root stem, and moves downward along the lotus root stem.At this time, the detection nozzle flushes the silt below, and the device as a whole moves downward along the lotus root stem.When the device moves to the lotus root along the lotus root stem, the longitudinal frame is opened under the obstruction of the lotus root, and stops digging downward when the angle reaches a certain angle.The transverse digging system starts to work, the auxiliary wheel drives the transverse frame to open due to contacting the lotus root, and the lotus root is clamped by the transverse wheel, the transverse wheel moves along the lotus root, and the harvesting nozzle starts to work to flush the soil around the lotus root.After flushing, the lotus root floats up with the device, and the work is completed.

The utility model relates to the technical field of optical fiber distribution integrated devices, in particular to a drawable optical fiber distribution integrated device, which comprises a distribution frame shell, damping slide rails are fixedly mounted on the left side and the right side in the distribution frame shell, a distribution frame drawing disc positioned in the distribution frame shell is fixedly mounted on one side of each damping slide rail, and the damping slide rails are fixedly mounted on the other side of each damping slide rail. Reinforcing strips and reinforcing plates are symmetrically arranged at the upper ends and the lower ends of the left side and the right side of the distribution frame drawing disc. Through the action of the driving cylinder, the coil spring and the damping slide rail, the device has the advantages of saving labor in operation, reducing technical requirements and improving the strength of a bracket material, and solves the problems that the existing drawable optical fiber wiring integrated device has high technical requirements on operators in practical application; and some drawing brackets of low-cost products are insufficient in material strength, so that deformation is possibly caused when the drawing brackets bear high-density cables for a long time, and the bending radius of the optical fiber is influenced.

This invention discloses a method for preparing passion fruit whole-fruit wine with improved clarification, belonging to the field of food processing technology. In this method, pectinase, cellulase, and transglutaminase are added before fermentation, and polyglutamic acid, bentonite, and curdlan are added after fermentation. The passion fruit whole-fruit wine obtained by this method has a light transmittance as high as 98.9%. The passion fruit wine composite clarifying agent prepared by this invention can be used in the preparation of passion fruit wine from whole passion fruit, significantly improving the clarity of passion fruit wine, reducing the technical difficulty and production cost of the clarification process, shortening the clarification time, effectively maintaining the flavor and nutritional value of the fruit wine, and improving the production efficiency of the fruit wine; it is simple to operate, easy to implement, and worthy of promotion and use.

The utility model relates to papermaking equipment technical field discloses a multilayer paper pulp rubbing crusher for papermaking, including fine crushing chamber, the right part fixed connection of fine crushing chamber has replacement mechanism, the left side fixed connection of fine crushing chamber has the discharge gate, the top fixed connection of fine crushing chamber has coarse cavity, the right side fixed connection of coarse cavity has cleaning mechanism, the right part fixed connection of coarse cavity has tooth roll, the replacement mechanism includes the base plate, the left side fixed connection of base plate in the right side of fine crushing chamber, the right side fixed connection of base plate has two bolt posts, two the outside fixed connection of bolt post has two clamping plates. In the utility model, the replacement mechanism effectively avoids the need for tedious replacement of different specifications tooth roll when processing different raw materials, improves the problem of internal raw material adhesion to the inner wall of a multilayer paper pulp rubbing crusher for papermaking during use, and improves the efficiency of tooth roll disassembly, replacement and installation.

This utility model discloses a wind-resistant structure for the crown of a high-rise building, including a mass block disposed inside the crown and steel cables disposed inside the crown, with the mass block suspended inside the steel cables. The mass block consists of an upper part, a middle part, and a lower part. The upper part consists of block A, block B, and block C. Block A is disposed on top of block B, and block C is disposed at the bottom of block B. An installation mechanism is provided at the connection between the top of block B and blocks A and C. By using a modular design, the mass block is divided into relatively small modules, reducing the requirements for manufacturing equipment, manufacturing difficulty, and cost. Compared with the integral type, the modular mass block has a smaller individual module size and weight, which can be transported using ordinary transportation tools, making it easier to cope with road height and weight restrictions, greatly reducing transportation difficulty and cost. At the installation site, the smaller modules are easier to operate and position.

This invention provides a method for virtual digital lofting and real-time calibration of installation pose of a guide rail, comprising: providing at least two positioning fixtures, each fixture having three collinear optical markers symmetrically arranged on both sides relative to the center marker; fixing the two positioning fixtures to the upper and lower ends of the guide rail respectively, so that the positioning fixtures are in close contact with the two working surfaces of the guide rail; acquiring the global coordinates of all optical markers in real time through a motion capture camera array, and independently calculating the six degrees of freedom pose deviation of the guide rail based on a coordinate comparison scheme corresponding to the layout of the positioning fixtures: calculating the horizontal translation deviation of the upper end of the guide rail; calculating the tilt angle deviation of the guide rail in the vertical plane; calculating the rotation angle deviation of the guide rail about its own length axis by using the coordinate difference of the two markers on both sides of the same positioning fixture on a single coordinate axis; and making targeted adjustments to the installation state of the guide rail according to the calculated pose deviations of each degree of freedom, thereby completing real-time calibration.

A compact layout method for high-voltage switchgear belongs to the field of high-voltage electrical technology. It utilizes the small space outside the busbar portal frame of an existing switchgear to adopt a compact layout structure for the high-voltage switchgear. The compact layout structure includes a 220kV HGIS device, busbar bushings, down conductors, and insulators. The 220kV HGIS device has a comb-type or F-type structure and is connected to the original bare busbar of the switchgear via busbar bushings and down conductors. The down conductors are fixed by insulators located directly below the busbar portal frame. This invention fully utilizes the space at the busbar end of the original 220kV AIS switchgear, significantly reducing the footprint of the 220kV high-voltage switchgear; it requires no changes to the original busbar structure, resulting in minimal modification work; it does not affect the operation and maintenance of the switchgear and has no adverse impact on the original switchgear; it has low engineering difficulty and low construction cost; and it can be widely applied in the field of expanding bare busbar high-voltage switchgear where site area is limited.

The invention relates to a fine-adjustable side window mounting structure and method for a passenger train, and belongs to the manufacturing technology of rail transit vehicles. According to the technical scheme, the extending direction of an installation block long round hole in an installation block and the extending direction of a window frame long round hole in a window frame installation inclined face are in a crossed state, adjustment freedom degrees are provided in the vehicle width direction and the vehicle length direction, and fine adjustment in the vehicle width direction and the vehicle length direction is conducted respectively; adjusting freedom is provided by adjusting the matching position of the mounting block and the window frame mounting slope in the vertical direction of the vehicle, and the vehicle is adjusted in the vertical direction. The method has the beneficial effects that high precision and controllability are achieved, and the installation comprehensive error is controlled within the range of + / -4 mm through a unique three-way fine adjustment mechanism; 25-degree inclined plane matching is combined with tooth-shaped meshing, and the anti-micro-motion performance is excellent in a vibration environment. Adjustment is convenient and fast, and the adjustment direction is clear due to the design of the crossed oblong holes. Due to the design of the split type mounting blocks, stress concentration is avoided, the rigidity of the whole structure is good, and the service life is long.

This application belongs to the field of solid waste treatment technology, specifically relating to a method for preparing clean energy using kitchen waste and organic waste liquid. The method for preparing clean energy using kitchen waste and organic waste liquid includes the following steps: (1) mixing kitchen waste and organic waste liquid for carbonization reaction, and after the reaction is completed, filtering to obtain filtrate and filter cake; (2) drying and gasifying the filter cake in sequence to obtain clean energy. The beneficial effects of this application include: the method for preparing clean energy using kitchen waste and organic waste liquid fully realizes the synergistic resource utilization of kitchen waste and organic waste liquid, and solves the problems of low calorific value, insufficient gasification efficiency and difficult control of pollutant emissions in the process of kitchen waste hydrothermal-gasification alone; the process flow of the method for preparing clean energy using kitchen waste and organic waste liquid is simple, highly operable, and the equipment used is all mature equipment with low technical difficulty and good prospects for industrial application.

The invention relates to an exosome extraction method of a high-viscosity and high-protein-content egg white sample, which adopts ammonium sulfate pretreatment to promote non-exosome protein sedimentation, and combines differential centrifugation and ultrafiltration to further remove the non-exosome protein in the sample, thereby effectively reducing the non-exosome pollution and improving the exosome purity.

The utility model discloses an anti-loosening nut with a locking structure, which comprises a hexagonal nut, an internal thread groove is arranged in the hexagonal nut, an anti-loosening ring is connected with the inner wall of the hexagonal nut in an embedded manner, a groove cavity is fixedly connected with the bottom of the hexagonal nut, a nylon piece is movably connected with the inside of the groove cavity, and the nylon piece is fixedly connected with the inner wall of the hexagonal nut. A mounting groove is formed in the outer wall of the hexagonal nut, an open hole is formed in the outer wall of the hexagonal nut, and a locking assembly is mounted at the notch position of the mounting groove. According to the anti-loosening nut with the locking structure, multiple anti-loosening structures such as the anti-loosening ring, the nylon piece and the locking assembly are arranged, the design of the locking assembly is in accordance with the conciseness and easiness in use, the core structure of the locking assembly comprises the sliding rod, the reset spring and the self-locking block, when the nut needs to be locked, the sliding rod is pushed, and the self-locking block is pushed to lock the nut. And under the action of elastic potential energy of the reset spring, the self-locking block quickly pops up and is clamped into a specific position.

The present application relates to a kind of high-voltage diamond diode of large current and its manufacturing method, profile structure is based on substrate diamond (1) as bottom, based on substrate diamond (1) upper surface local setting a type doped diamond (2), further in the upper surface of a type doped diamond (2), and substrate diamond (1) upper surface layout a type conducting channel (7), then in a type conducting channel (7) corresponding a type doped diamond (2) position area local setting barrier adjustment layer (6), finally setting first electrode (4), second electrode (5), and dielectric layer (3), constitute high-voltage, large current density diamond diode, solve the problem such as low voltage, low current density of traditional power diamond schottky diode, and propose manufacturing method, innovation design manufacturing process sequence, reduce leakage current and process difficulty, the designed diamond diode effectively improves actual work efficiency.

The utility model relates to the technical field of plastic welding equipment manufacturing, in particular to a plastic welding piece clamping tool and an infrared plastic welding machine comprising the plastic welding piece clamping tool, which comprise a bottom plate, a positioning and clamping assembly body, a connecting and fastening assembly and a lateral thrust fine adjustment unit. And the positioning and clamping assembly body and the bottom plate are attached and contacted and are fixed into a whole by means of the connecting and fastening assembly. And the bottom plate takes the driving platform as a mounting foundation. And when the connection fastening assembly is not completely tightened, the relative position of the positioning and clamping assembly body can be changed under the action of horizontal thrust of the lateral thrust fine adjustment unit. Therefore, in practical application, the relative position of the positioning and clamping assembly body is adaptively adjusted by means of the side-pushing fine adjustment unit, so that the position deviation of a plastic material caused by thermal expansion and process tolerance is compensated, the precise alignment of a plastic welding piece and an infrared thermal radiation module is ensured, the phenomenon of local overheating or insufficient heating is avoided, and meanwhile, the service life of the plastic welding piece and the infrared thermal radiation module is prolonged. And the millimeter-level alignment precision of the two opposite plastic welding pieces during top contact welding is ensured.

The utility model relates to a kind of modularization ring saws, including annular saw blade, fuselage, the head shell connected to the front end of fuselage and the drive mechanism being set in fuselage, it is characterized by:including mounting plate fixed to the side of head shell, the mounting plate is provided with by drive mechanism driven driving wheel component, the driving wheel component is connected with annular saw blade inner ring transmission, the mounting plate both sides are respectively detachably installed with from wheel device, the from wheel device includes the positioning wheel for positioning one side of annular saw blade and the tensioning wheel for the other side of annular saw blade is tensioned. The utility model not only saw blade replacement convenient, and with maintenance cost low, universality higher advantage.

The utility model discloses a vertical water purifier which is integrally formed by designing and combining an upper part and a lower part in sections, and comprises an upper body part, a lower body part and a back plate, the upper body part and the lower body part are combined and connected to form a whole machine body, and the back plate covers the rear side of the whole machine body; the upper body part comprises a shell and a machine body assembly, and the shell is arranged outside the machine body assembly in a covering mode; the shell comprises a frame body, an upper panel, a top cover and a top cover plate; the machine body assembly comprises a filter element, a water tank, a water tank cover, a water receiving box, a water receiving box cover, a circuit board bracket and a display screen; the lower body part comprises a main frame body, a lower panel and a lower baffle, the lower panel and the lower baffle are assembled on the front side of the main frame body, the structure is simple, the design is reasonable, the mold opening specification is small, the technical difficulty is low, the first-time investment fund is small, market risks can be avoided to the maximum extent, and follow-up maintenance is facilitated.

The utility model relates to the technical field of steel structure anticorrosive coating spraying, especially a ship steel structure anticorrosive coating rapid processing device, including the placement platform and steel structure body, the placement platform top is fixedly connected with the jar body, the jar body top is fixedly connected with high pressure pump, high pressure pump output is fixedly connected with the feed pipe, the feed pipe is fixedly connected with the spray gun away from high pressure pump one end, the spray gun output is fixedly connected with the porous spray head, the spray gun outside is connected with the clamping plate of sliding, through the design cooperation of tensile spring and clamping plate, make the device can let the spray gun fixed in the clamping plate interior from top to bottom spray on the surface of steel structure body, effectively avoid using spray gun to spray anticorrosive coating to steel structure body, because the operator's technical problem leads to the condition that anticorrosive coating's thickness is not one, improve the evenness of spray gun to spray anticorrosive coating to steel structure body to some extent.

The invention discloses a data monitoring method and device for a log analysis platform, equipment and a medium, and the method comprises the steps: receiving text description data inputted by a user through a large language model, carrying out the semantic understanding of the text description data, and generating key parameters corresponding to a monitoring rule of the log analysis platform according to a semantic understanding result; converting the key parameters into monitoring rule interface request parameters through a large language model application development platform; and creating a target monitoring rule according to the API interface of the log analysis platform and the interface request parameter, and monitoring the operation data of the log analysis platform by using the target monitoring rule. According to the technical scheme, the time cost and the labor cost consumed in the monitoring rule creating process can be saved, the technical difficulty in the monitoring process of the log analysis platform is reduced, and the updated monitoring requirement in the log analysis platform is responded in time.

The present application relates to a kind of steel rail irregularity remote control automatic detection device and system, the device includes: frame, sliding connection in the steel rail;Driving unit, the frame is driven and slides on the steel rail along the length direction of the steel rail;Data collection unit is installed on the frame near the side of the steel rail, and the data collection unit is used to collect the deformation data of the steel rail.The present application is simplified by the above arrangement The entire detection process ensures the accuracy, efficiency and consistency of detection data, has lower professional requirements, has smaller technical difficulty, has low manufacturing and maintenance cost, and is convenient for popularization and application.

The utility model relates to a refueling funnel of a diesel generator for a tunnel, which belongs to the technical field of refueling equipment and comprises a conductive funnel body, an oil filling pipe is arranged at the bottom of the funnel body, an anti-overflow sealing element is arranged outside the oil filling pipe, and the funnel body is connected with a grounded electrostatic discharge device. The electrostatic discharge device comprises a conducting ring fixed to the outer side wall of the upper portion of the funnel body, the conducting ring is fixedly connected with a grounding wire, and a grounding device is fixed to the other end of the grounding wire. The device is simple in structure, low in material cost, low in technical difficulty and convenient to use. The oil filling efficiency of the diesel generator can be effectively improved, the fuel oil loss in the fuel oil filling process is reduced, the danger coefficient in the fuel oil filling process is reduced, and the working efficiency of a user is improved.

The utility model discloses a steel corrugated tunnel anti-sliding and supporting device, and belongs to the technical field of steel corrugated tunnel anti-sliding. Comprising annular I-shaped steel, webs on the annular I-shaped steel are connected in a welded mode through cross beams, a formed whole forms physical blocking during soil backfilling, the annular I-shaped steel is arranged outside, anti-sliding force can be provided, and the annular I-shaped steel is embedded into backfilling soil above a steel corrugated pipe tunnel through the geometrical shape of the annular I-shaped steel to prevent relative sliding; the supporting plate is arranged in the corrugated pipe, and supporting performance can be improved; and through the modular design and the prefabricated assemblies, the construction period is greatly shortened. Prefabricated production of the annular I-shaped steel and the cross beam reduces the complexity of site construction, the installation process is simple, convenient and rapid, and the construction efficiency can be remarkably improved. The connecting mode of the inhaul cables and the anchor rods is simple and easy to implement, the sliding force of the steel corrugated tunnel under the large-gradient foundation condition can be effectively resisted, and the anti-sliding capacity of the tunnel is remarkably enhanced.

The utility model discloses a streamline and flow balance type electric precipitator front flue which comprises a smoke inlet and two shunting interfaces, the two shunting interfaces are arranged at the output end of the smoke inlet, the two shunting interfaces and the smoke inlet are arranged in a Y shape, the two shunting interfaces are symmetrically arranged, the symmetry axis coincides with the center line of the smoke inlet, and the two shunting interfaces are arranged in a Y shape. A row of flow guide plates I arranged at intervals are arranged in the communicating positions of the flow dividing connectors and the smoke inlet, horizontal flow dividing pipes and inclined flow dividing pipes located on the outer sides of the horizontal flow dividing pipes are arranged at the rear ends of the flow dividing connectors, and compared with the prior art, local vortex and turbulent flow phenomena can be effectively eliminated, and the possibility of dust deposition is reduced.