29results about How to "Precise design" patented technology

The invention relates to the technical field of clothing data processing, in particular to a digital design method of three-dimensional prototype clothing. The method comprises the following steps: obtaining human body three-dimensional scanning data and carrying out feature point labeling, reconstructing a three-dimensional human body model as basic data of costume design, carrying out contour looseness calculation on the human body model, generating a looseness data set, carrying out sample plate plane analysis to obtain a plane sample plate data set, and after collecting costume fabric data, carrying out data processing on the plane sample plate data set. The method comprises the following steps: performing physical characteristic mapping on a human body model and a planar template, reconstructing a three-dimensional garment model conforming to fabric characteristics, performing spatial positioning on the template, performing virtual sewing simulation, generating a shape data set of the garment, performing dynamic motion analysis on the shape data of the garment according to the human body three-dimensional model, and evaluating the comfort level of the garment. The garment form is locally adjusted to reconstruct a planar template. According to the invention, a more comprehensive and more reliable digital design method of the three-dimensional prototype clothing is realized.

The invention relates to the technical field of data mining, in particular to a method and system for intelligently generating a sheet metal part process model. The method comprises the following steps: acquiring structural data of a sheet metal part processing workshop, and carrying out topological structure analysis to generate a processing technology model; acquiring design data of sheet metal parts, establishing a three-dimensional model, and performing machining simulation by using a process model to obtain simulation data; integrating historical processing finished product feature data, extracting surface features, and obtaining actual finished product data; finished product parameterization description is carried out on the machining simulation data, surface defects of a finished product are evaluated, and defect data are obtained; the simulation machining stress distribution uniformity is evaluated, and surface quality influence factors are calculated; and optimizing the processing technology model according to the quality influence factor, and uploading to a management platform to execute a simulation generation task. The accuracy of the sheet metal part process model can be improved.

The invention discloses a temperature sensing material based on dual-mode thermal response up-conversion luminescence and a preparation method and application thereof, and belongs to the technical field of optical temperature sensing. The chemical formula of the material is Bi (4-y) Ti (0.5) M (0.5) O8X: REy, wherein M is W or Mo, X is Cl or Br, RE is Er or Yb / Er, and a hydrothermal-molten salt method series synthesis strategy is adopted for preparation. Different from a traditional thermal quenching material, according to the dual-mode thermal response up-conversion luminescence temperature sensing material Bi4Ti0. 5M0. 5O8X, visible light is weakened along with temperature rise, and meanwhile 800 nm near-infrared luminescence is enhanced. By utilizing the characteristic that the up-conversion luminescence intensity has opposite response to temperature change, the up-conversion temperature sensing material disclosed by the invention has relatively high optical temperature sensitivity in a fluorescence intensity mode and a fluorescence lifetime mode, and is an optical temperature sensing material with a wide temperature measurement range, which can be used for high-temperature environment detection; the method has great application potential in the field of optical temperature sensing.

The present invention belongs to the field of construction site safety technology, specifically a construction site construction safety assessment system, the system includes: a scene reconstruction design module, a data perception module, a data communication module and a data processing module. The present invention has the beneficial effects of being able to realize real-time, accurate and comprehensive data collection and transmission of construction sites, improving the data quality and timeliness of construction safety assessments; being able to realize clear, intuitive and dynamic scene reconstruction and display of construction sites, improving the visualization and interactivity of construction safety assessments; being able to realize scientific, objective and consistent risk analysis and assessment of construction sites, improving the systematicness and reliability of construction safety assessments; being able to realize efficient, accurate and intelligent design and construction optimization and adjustment of construction sites, improving the optimization and automation of construction safety assessments.

The invention relates to the technical field of machine learning, in particular to a keyboard key pressure identification method and device based on deep learning. The method comprises the following steps: acquiring initial pressing stroke data of a single key of a keyboard; performing pressure measurement on a single key corresponding to the initial pressing stroke data by using a pressure sensor to obtain keyboard key pressure measurement data; keyboard pressing effective stroke screening is carried out on the initial pressing stroke data of the single key of the keyboard through the keyboard key pressure measurement data, and keyboard pressing effective stroke data are obtained; obtaining keyboard key structure data; and performing three-dimensional pressing depth identification on the keyboard key pressure measurement data according to the keyboard pressing effective stroke data to generate keyboard three-dimensional pressing pressure identification data. According to the method, through a multi-step technology of accurate pressing stroke screening, three-dimensional pressure distribution identification, mistaken touch correction, contact optimization and the like, the accuracy and error interference of keyboard key pressure identification are improved.

The invention discloses an intelligent measurement and control device and an industrial design application method, and the key points of the technical scheme are that the method comprises the construction and application of an AIGC agile industrial design model, a man-machine collaborative design process, the construction of an application normal form of an industrial product generation scene, a model optimization decision based on cognitive analysis, and the research and verification of an application case. According to the AIGC model, the design efficiency and innovativeness are remarkably improved by rapidly generating and optimizing a design scheme; through accurate demand analysis and optimization decision, it is ensured that the design scheme is highly consistent with user expectation, and the user satisfaction degree is improved; an agile design method and multiple iterative optimization ensure that the design process is efficient and accurate, and the design quality and reliability are improved; a design scheme is rapidly generated and optimized, the product development period is effectively shortened, and the market response speed and competitiveness of enterprises are improved.

The invention provides a method for reducing eddy current loss of an annular magnetic core by opening an air gap, which comprises an annular magnetic core (1) and a thin layer air gap (2), the annular magnetic core (1) is an annular ferrite magnetic core, the thin layer air gap (2) is arranged on the inner ring surface of the annular magnetic core (1), the thin layer air gap (2) is an air ring and surrounds the inner ring of the annular magnetic core (1) for a circle, and the thin layer air gap (2) is arranged on the inner ring surface of the annular magnetic core (1). The inner diameter of the thin-layer air gap (2) is the same as that of the annular magnetic core (1), the width of the thin-layer air gap (2) is smaller than one half of the magnetic core width of the annular magnetic core (1), and the magnetic core is structurally kept complete. According to the invention, a layer of thin-layer air gap surrounding the magnetic core is formed near the inner side surface of the annular magnetic core, so that the circulation path of eddy current is cut off, and the eddy current loss is reduced. Meanwhile, the method does not damage the structure of the annular magnetic core, the structure of the annular magnetic core is kept complete, and due to the fact that the air gap is extremely thin, the influence on the magnetic conductivity of the magnetic core can be ignored.

The invention relates to the technical field of composite material structural member design, in particular to a composite material pipe fitting bending rigidity prediction method based on deep learning and a system and a terminal thereof. The composite material pipe fitting bending rigidity prediction method comprises the following steps: testing the bending resistance of a layered composite material pipe fitting by using a finite element model under a cantilever beam condition; establishing a basic data set; processing the basic data set to obtain a standard data set; constructing a neural network model, and training the neural network model by using the standard data set to obtain a pipe bending rigidity prediction model; and outputting the flexural rigidity by using the model. The method comprises the following steps: acquiring data by simulating a composite material pipe fitting, dividing the preprocessed data into layer paving data and pipe fitting geometric data as independent variables and flexural rigidity as dependent variables, making a sample data set, constructing a pipe fitting flexural rigidity prediction model, and calculating the flexural rigidity of the pipe fitting through basic data. And low-cost, rapid and accurate design of the composite material pipe fitting is realized.

The invention discloses an optimal site selection method of a phase-shifting transformer in a novel electric power system, and the method comprises the steps: building a dynamic planning model which takes the photovoltaic consumption rate, the power transmission capability of a power grid, and the investment and operation cost of the phase-shifting transformer as optimization indexes based on a dual-core symmetrical phase-shifting transformer model of equivalent impedance; according to the method, a novel calculation method for the transmission capacity of the power grid containing the phase-shifting transformer under the condition that photovoltaic uncertainty is considered is established, an additional judgment link is added into an improved multi-target particle swarm optimization solution strategy to solve an optimal solution set, and an optimal optimization scheme is selected according to a comprehensive evaluation method. According to the optimal configuration scheme established by the invention, the power grid power transmission capacity of the power transmission section and the power transmission capacity of the photovoltaic transmission section are improved, the photovoltaic consumption rate of the power system is further effectively improved, the superiority and universality are high for the optimal site selection problem of the phase-shifting transformer under the novel power system, and the method is easy to implement.

The invention relates to the technical field of wire and cable processing equipment, in particular to a wire and cable copper wire drawing machine which comprises a machine table and the like, a pay-off device, a fixing plate and a pull rod are sequentially and fixedly mounted on the machine table from left to right, a wire drawing box is slidably connected to the position, close to the pull rod, of the machine table, and a fixed wire drawing module is fixedly connected to a side plate of the wire drawing box; the top end of the wire drawing box is fixedly connected with a lubricating liquid box, a hand pressure valve is installed between the wire drawing box and the lubricating liquid box, the hand pressure valve is connected with the fixed wire drawing module through a liquid pipe, and the hand pressure valve makes contact with the pull rod. Through the cooperative design of the hand pressure valve and the pull rod, automatic conveying control over lubricating liquid is achieved, in the wire drawing process, along with movement of the wire drawing box, the hand pressure valve is automatically opened, the lubricating liquid is accurately conveyed to the position where the wire drawing module is fixed, timely and effective lubrication is provided for a copper wire, and friction and abrasion between the copper wire and the wire drawing module are reduced.

This utility model discloses a lockable sliding switch, comprising: an upper shell and a lower shell, the upper shell and the lower shell being connected to form a closed outer shell structure; a rotary lock seat, rotatably disposed within the upper shell and the lower shell; and a fixed lock seat, fixedly disposed within the upper shell and the lower shell, forming a relative rotational relationship with the rotary lock seat; the rotary lock seat is provided with a first locking plate, and the fixed lock seat is provided with a second locking plate; when the rotary lock seat is rotated to the locked position, the first locking plate and the second locking plate abut face to face, blocking the rotation of the rotary lock seat; the rotary lock seat is provided with a lock hole, and when the rotary lock seat is in the locked position, an external lock can be inserted into the lock hole and locked. This lockable sliding switch has the characteristics of double locking to prevent misoperation, stable gear switching, and reliable contact.

The present invention relates to the technical field of engineering machinery, and discloses a method, a processor, and a server for determining the parts of a slewing mechanism. The method comprises: obtaining the historical operation data of the slewing mechanism corresponding to the original engineering equipment, the historical operation data including the slewing pressure and the use time of the slewing mechanism; determining the maximum slewing resistance torque of the slewing mechanism according to the maximum value of the slewing pressure; determining the use level of the slewing mechanism according to the use time; determining the load spectrum coefficient of the slewing mechanism according to the historical operation data; determining the working level of the slewing mechanism according to the use level and the load spectrum coefficient; determining the slewing mechanism parts of the new engineering equipment according to the maximum slewing resistance torque and the working level. The slewing mechanism parts of the new engineering equipment are determined according to the historical operation data of the original engineering equipment, so that the selection and design of the slewing mechanism are more in line with the actual market demand, and while ensuring safety and reliability, the surplus and safety margin will not be too large, saving costs.

A racket frame includes a face portion that is annular in plan view, a handle portion, and a shaft portion connecting the face portion and the handle portion. At least a portion of the face portion, the handle portion, and the shaft portion includes a first tubular member. The first tubular member has an inner tubular portion, an outer tubular portion surrounding the inner tubular portion, and a release layer sandwiched between the inner tubular portion and the outer tubular portion.

The present invention relates to a manufacturing method of a microfluidic valve, comprising: arranging a substrate (1) of a mechanically inert material to one or more physicochemical properties over time, configuring a structural portion of the valve; printing, by means of additive layer manufacturing, a succession of one or more filaments (2) of a material with mechanical response to one or more of said physicochemical properties over time, preferably LCP, configuring a functional portion of the valve; and arranging the succession of filaments (2) on the substrate (1), configuring a fluid flow rate (3) through the valve by means of the application of an anti-adhesion treatment on one or more interfaces of said filaments (2) and the substrate (1). In this way, the variation in one or more physicochemical parameters causes a disruption in the molecular order of the LCP, contracting or expanding its polymer chains throughout a longitudinal or transversal direction of the filaments (2), and leading to an increase or reduction in the flow rate (3) of the fluid.

The invention relates to a matting material and a preparation method thereof. The preparation method comprises the following steps: (1) directional arrangement: bonding a fiber bundle and an uncured adhesive film according to an orientation angle theta to obtain a unit layer; (2) fixed-height cutting: carrying out fixed-height cutting on the unit layers in the step (1) by adopting cutting equipment to obtain'fiber bundle-adhesive film 'structural units; (3) laminating and laying: laying a plurality of layers of'fiber bundle-adhesive film 'structural units in the step (2) together to obtain a laminated structure; and (4) curing and forming: curing the laminated structure in the step (3) to obtain the extinction material. The orientation angle of the extinction fiber array can be precisely designed and controlled, and therefore efficient absorption of incident light at a specific angle is achieved.

The utility model relates to the field of SF6 gas micro-water density, and discloses auxiliary calibration equipment for an SF6 gas micro-water density sensor, which comprises a sensor, the sensor is placed in a box body, the inner bottom surface of the box body is fixedly connected with a mounting seat, the sensor is clamped in the mounting seat, an additional box is fixedly connected to one side, corresponding to a gas inlet pipe of the sensor, outside the box body, and the additional box is connected with the sensor. A multi-parameter gas calibration structure is arranged in the additional box, a sealing connection structure is arranged between a gas inlet pipe of the sensor and the multi-parameter gas calibration structure, a data collecting and processing system is installed on one side in the box body, and the top end of the sensor is connected with the data collecting and processing system in a wiring mode. A temperature control system is installed on the side, opposite to the data collecting and processing system, in the box body, multi-parameter gas calibration structures such as the humidity generator, the standard gas tank and the pressure calibration instrument are integrated in the additional box, the gas input pipeline layout, the precise pipeline design and the sealing connection structure are optimized, and gas leakage is effectively avoided.

The rotor blade tip profiling design method comprises the following steps that a scraping and grinding coating is arranged on the side, facing a rotor blade, of a casing, a plurality of bosses are arranged at the blade tip of the rotor blade in the chord length direction, and all the bosses are scraped and ground with the casing in the initial state; the engine is operated, so that rotor blades are in a working state and are scraped and abraded with the casing; after the working state is finished, scraping and grinding data of the scraping and grinding coating in the chord length direction of the blade are obtained; and reversely designing the radial size of the rotor blade tip according to the scraping and grinding data. According to the method, on the basis of the relation between the blade tip shape and the blade tip gap, flexible, accurate and multi-point design and control can be reversely carried out on the gap in the chord length direction of the blade through the scraping and grinding data of the scraping and grinding coating. The invention further provides a rotor blade and a gas compressor.

This invention relates to the field of slitting machine technology, and in particular discloses an intelligent slitting and tape-sealing device for roll materials. The device includes a slitting machine, a slitting assembly mounted on the slitting machine for slitting externally unrolled roll materials, and a first frame for carrying the external roll materials. It also includes a cutting mechanism for cutting the unrolled roll materials, a rolling mechanism, and a tape-sealing mechanism used in conjunction with the cutting mechanism. By integrating the slitting, cutting, rolling, and tape-sealing mechanisms, the device achieves automatic slitting, cutting, winding, and tape-sealing of the unrolled roll materials, greatly improving production efficiency and automation. The slitting and cutting mechanisms used in conjunction enable precise slitting and cutting of the unrolled roll materials, ensuring accurate dimensions of the processed small roll materials. The tape-sealing mechanism compresses and cuts the tape, ensuring that the tape adheres to the roll material and seals it, providing a high-quality sealing effect and improving roll material production efficiency.

The invention discloses a cable-stayed bridge stress and deformation optimization calculation method and system based on a segmentation method. The method comprises the steps that a main beam system model and a bridge tower system model are constructed; the inhaul cable is simplified into an elastic support, and the elastic supporting rigidity of the elastic support is calculated; selecting two independent initial parameters representing the internal force and deformation of the support; the stress and deformation of the tail end support are calculated according to the stress near the elastic support and the elastic supporting rigidity; according to the stress and deformation data of the tail end support and the boundary conditions of the tail end support, a binary primary simultaneous equation set about two independent initial parameters is established, the two independent initial parameters are solved and substituted into an internal force and deformation calculation formula of the two adjacent supports, and the internal force and deformation of each support are obtained; calculating the internal force of the bridge tower according to the internal force and deformation of each support; according to the method, efficient calculation and accurate deformation analysis of the multi-tower cable-stayed bridge are achieved by dividing the calculation process of the main beam system and the bridge tower system and considering the rigidity transfer relation between the systems.

The present invention relates to a tenter system having a function of automatically correcting a fabric on the basis of an image, and a method therefor, and the tenter system includes a tenter machine, an introduced-fabric design pattern correction unit provided behind the tenter machine and configured to correct the introduced-fabric design pattern of an input fabric introduced into the tenter machine, a first scanning unit provided in front of the tenter machine and configured to scan the design pattern of a discharged fabric discharged from the tenter machine to acquire a discharged-fabric design pattern image, and a central processing unit configured to communicate with the introduced-fabric design pattern correction unit and the first scanning unit.

The invention relates to a modulator photoelectric joint simulation method and device, computer equipment and a storage medium. The method comprises the following steps: acquiring an input radio frequency signal of a modulator; inputting the radio frequency signal into a radio frequency time domain coupling mode equation to obtain forward propagation radio frequency wave amplitude and reverse propagation radio frequency wave amplitude in the modulator; acquiring radio frequency voltage distribution in the modulator according to the forward propagation radio frequency wave amplitude and the reverse propagation radio frequency wave amplitude; obtaining a first light wave amplitude and a second light wave amplitude in the modulator according to the radio frequency voltage distribution and a light wave time domain coupling mode equation; according to the first light wave amplitude and the second light wave amplitude, the light signal output by the modulator is obtained, and a simulated eye pattern is obtained according to the light signal. According to the invention, electrical simulation and optical simulation in the modulator can be realized at the same time.

The invention discloses an evaluation criterion and a design method for a cathode of a sleeve-shaped electrolytic machining tool, and belongs to the technical field of electrolytic machining. A tool cathode is deformed under the pressure action of electrolyte, and the stability and machining precision of a flow field are affected. According to the method, a tool cathode is preliminarily designed based on the overall component diameter, the blade number and the structure size; tool cathode deformation and the proportion of low-flow-velocity points in a machining area are set as evaluation criteria; according to influence factors of tool cathode deformation, a multi-factor orthogonal test table is designed, and through fluid-solid coupling simulation analysis, the tool cathode deformation amount and the proportion of low-flow-velocity points in a machining area are obtained; and determining the influence degree of each factor on the deformation of the tool cathode based on a multi-factor orthogonal test method, and sequentially optimizing the tool cathode. According to the method, the deformation of the tool cathode and the proportion of the low-flow-velocity points in the machining area are controlled within a certain range through optimal design of the sleeve-shaped electrolytic machining tool cathode, so that the sleeve-shaped electrolytic machining precision and the machining stability are improved.

The invention discloses an efficient seeding device. The seeding device comprises a mounting plate, slotting plates which are fixedly arranged on the bottom surface of the mounting plate at intervals and are used for slotting, a seeding mechanism which is fixedly arranged on the mounting plate, is positioned behind the slotting plates and is used for seeding, and a fertilizing mechanism which is fixedly arranged on the mounting plate, is positioned behind the seeding mechanism and is used for fertilizing while seeding; a plurality of sets of driving wheels are rotationally arranged on the front side and the back side of the bottom face of the mounting plate, and a bidirectional motor is fixedly arranged on a rotating shaft of each driving wheel. When the device is used, the problems that in the prior art, most seed sowing devices only turn the soil of the land and do not have the automatic discharging function and the fertilizing function, and after the soil of the land is turned by the seed sowing devices, seeds are manually sown on the land, so that the sowing quality of crops is reduced, and the working efficiency is not high are solved.

The present invention relates to a manufacturing method of a microfluidic valve, comprising: arranging a substrate (1) of a mechanically inert material to one or more physicochemical properties over time, configuring a structural portion of the valve; printing, by means of additive layer manufacturing, a succession of one or more filaments (2) of a material with mechanical response to one or more of said physicochemical properties over time, preferably LCP, configuring a functional portion of the valve; and arranging the succession of filaments (2) on the substrate (1), configuring a fluid flow rate (3) through the valve by means of the application of an anti-adhesion treatment on one or more interfaces of said filaments (2) and the substrate (1). In this way, the variation in one or more physicochemical parameters causes a disruption in the molecular order of the LCP, contracting or expanding its polymer chains throughout a longitudinal or transversal direction of the filaments (2), and leading to an increase or reduction in the flow rate (3) of the fluid.

The application discloses a kind of high-dispersion cobalt-based catalyst and its preparation method and application, belong to cobalt-based catalyst technical field, the present application with four carboxyl phthalocyanine cobalt and nitrogen defect carbon nanotube as raw material, through molecular self-assembly in organic solvent and form pre-assembly complex, then the pre-assembly complex is programmed microwave heating, obtain the high-dispersion cobalt-based catalyst, the present application utilizes the means that specificity molecular precursor and carrier defect engineering are combined, by liquid phase pre-assembly constructs "molecular anchor-anchor position" pre-connection system, again with the principle of programmed microwave energy precise input, successfully solve the key technical problems that existing microwave method preparation cobalt-based catalyst when metal atom is easy to gather, active site structure is uncontrollable and catalytic performance is mediocre etc..

The present invention relates to the field of computer processing technology, and in particular to a parametric simulation model design method and system based on a cleaning robot. The method comprises the following steps: performing spatial environment layout constraint analysis on the cleaning operation process of the cleaning robot to obtain spatial environment layout constraint conditions of the robot cleaning operation; performing cleaning area quantitative analysis and water volume threshold operation switching on the cleaning operation process of the cleaning robot to generate the cleaning robot water adding operation; performing cleaning water adding demand analysis on the cleaning robot water adding operation to obtain the robot cleaning water adding demand conditions; performing water adding process parametric model design based on the robot cleaning operation spatial environment layout constraint conditions and the robot cleaning water adding demand conditions, and performing water adding process simulation evaluation analysis and model parameter optimization to generate a robot water adding parametric simulation optimization model. The present invention can realize the parameterized simulation process of the cleaning robot in the cleaning water adding process.

The present invention relates to the field of semiconductor device technology, and in particular to a design method and system for integrated circuits. The method comprises the following steps: obtaining a quantum dot semiconductor material data set of an integrated circuit and performing electronic transmission performance screening and electronic arraying to obtain a quantum dot semiconductor material electronic array; performing quantum dot heterogeneous integration design and quantum dot tunneling interconnection according to the quantum dot semiconductor material electronic array to obtain a quantum dot interconnection network; performing electronic energy band regulation analysis and intelligent integrated circuit design on the quantum dot interconnection network to obtain an intelligent quantum dot integrated circuit; obtaining integrated circuit real-time environmental data and integrated circuit user demand data; performing circuit operation optimization design on the intelligent quantum dot integrated circuit based on the integrated circuit real-time environmental data and integrated circuit user demand data to obtain a quantum dot integrated optimized circuit. The present invention can improve the design of integrated circuits with superior heterogeneous performance.

The invention provides a concrete cementitious system design method based on performance and carbon emission, comprising the following steps: obtaining specific component data of clinker and auxiliary cementitious materials in different cementitious systems to form a CaO-SiO2-Al2O3 ratio and performance data set with corresponding performance data; obtaining a CaO-SiO2-Al2O3 ratio and carbon emission data set based on a carbon emission calculation formula; fitting the data set to obtain a fitting formula for the CaO-SiO2-Al2O3 ratio and performance / carbon emission; obtaining a ternary contour map of the CaO-SiO2-Al2O3 ratio and performance / carbon emission according to the fitting formula, and obtaining a CaO-SiO2-Al2O3 ratio range under any carbon emission and performance from the ternary contour map; and deriving the clinker content and auxiliary cementitious material ratio in cement within the CaO-SiO2-Al2O3 range to perform component design of the cementitious system. The present invention can ensure that the concrete cementitious system meets the performance and carbon emission requirements while comprehensively considering the actual conditions such as economic cost and material supply status, and provide guidance for selecting specific material composition.

The utility model provides a cambered surface multi-angle drilling machine which comprises a first multi-shaft drilling mechanism, a second multi-shaft drilling mechanism and a working table, the first multi-shaft drilling mechanism, the second multi-shaft drilling mechanism and the working table are used for conducting multi-shaft drilling at the same time, and the first multi-shaft drilling mechanism and the second multi-shaft drilling mechanism are arranged on the working table in a mirror image mode. A drilling cutter on the first multi-shaft drilling mechanism and a drilling cutter on the second multi-shaft drilling mechanism face the machining center of the workbench. According to the cambered surface multi-angle drilling machine, parts are arranged in one clamp body, the structural design is compact, the occupied space is small, operation is easy, the clamping cavity is rhombic, special-shaped workpieces can be clamped, the structure is simple, installation is convenient, and good convenience is achieved. According to the cambered surface multi-angle drilling machine, the precisely-reduced main shaft is adopted, the design is precise, multiple positions of a cambered surface can be drilled at the same time, operation is easy, working efficiency is improved, manpower and material resources are reduced, and good universality is achieved.