37results about How to "Solve the error" patented technology

This invention discloses a calibration unit for a constant velocity universal four-wheel alignment instrument with a hinged rod, belonging to the field of transportation technology. It includes a unit base, a drive motor mounted on one side of the unit base, a constant velocity rotating seat mounted above the unit base, a kingpin assembly mounted above the constant velocity rotating seat, half-shaft assemblies snapped onto both sides of the kingpin assembly, and angle adjustment assemblies sleeved above the kingpin assembly. Two angle adjustment assemblies are included, each comprising an angle adjustment base, an angle adjustment drive arm, an angle adjustment hinge plate, an angle adjustment kingpin sleeve, and an angle adjustment lever. The upper surface of the unit base is movably connected to the lower surface of the angle adjustment base. The inner side of the angle adjustment base is fitted to one end of the angle adjustment drive arm, and the other end of the angle adjustment drive arm is connected to the angle adjustment lever. The end of the angle adjustment lever away from the angle adjustment drive arm is connected to the angle adjustment hinge plate, and the inner side of the angle adjustment hinge plate is connected to the angle adjustment kingpin sleeve. This invention uses a constant velocity universal joint with a hinged rod, improving measurement accuracy.

The invention discloses a high-speed heavy-load working condition bearing dynamic stiffness testing device and testing method, and relates to the field of bearing testing. The invention solves the problems that the existing bearing dynamic stiffness test technology and equipment only can load in a single direction, cannot simulate axial and radial composite loading, depends on contact transmission, is insufficient in heavy load bearing, lacks system vibration error suppression measures, and is poor in reliability. And the high-precision test requirement of the independent rolling bearing under the high-speed heavy-load composite working condition is difficult to meet. A shafting supporting module is arranged on the upper portion of a test bench support, a measuring module is located over the shafting supporting module, an axial loading module and a radial loading module apply axial force and radial force to a tested bearing respectively, and a driving module drives a supporting shaft and an inner ring of the tested bearing to rotate. Axial and radial composite loading under the high-speed heavy-load working condition can be achieved, axial and radial displacement can be monitored synchronously, system errors are reduced, and high-precision measurement of the dynamic stiffness of the bearing is achieved.

The invention relates to the technical field of special equipment for agricultural and sideline product processing, and discloses a sausage spacing self-optimizing energy-saving hanging rod system based on machine vision, which comprises a chassis and an electrical cabinet fixedly mounted at one end of the chassis, two upright posts are arranged on the top surface of the chassis, a top frame is arranged at the top ends of the two upright posts, and a conveying belt is arranged on the outer wall of the top frame; and a driving structure for driving the conveying belt is arranged on the electrical box. A two-stage correction structure of the sausage shaking assembly and the adjusting assembly is adopted, sausage preliminary returning is achieved through regular shaking of the sausage shaking assembly, accurate straightening is completed through the inertia effect by the adjusting assembly when sausage is not corrected in place, and the problem that the ends of sausages are hung mistakenly can be effectively solved through double correction; the sausage hanging device ensures that the joints of sausages are accurately hung at the preset positions of the hooks, so that the distance between the sausages after hanging meets the technological standard, the conditions of uneven heating and stacking extrusion caused by abnormal distance in subsequent processing are avoided, and the sausage processing yield is improved.

The utility model relates to the field of tunnel construction emergency, and discloses a tunnel construction emergency early warning system. According to the invention, through integration of an informatization technology and a mechanical device, the emergency response capability of a construction scene is significantly improved. According to the system, a multi-module linkage mechanism is adopted, the abnormal state in the hole can be sensed in real time, early warning can be triggered synchronously, and the problems of delay and information transmission errors existing in traditional manual early warning are effectively solved. When a sudden dangerous case occurs, the wireless communication and intelligent control module can quickly cover a hole opening, the interior of the hole and an adjacent tunnel with a signal, and it is ensured that an operator receives an evacuation instruction at the first time through multi-dimensional warning means such as sound and light, voice and traffic signals. Meanwhile, due to intervention of the fixing support and automatic equipment, the posture of the construction trolley can be stabilized, the safety risk of manual operation is avoided, and the probability of secondary disasters caused by instability of the equipment is reduced fundamentally.

This application discloses an alarm information extraction method, the method comprising: determining a first pattern string of sample multi-valued information elements of a sample alarm text; wherein the sample multi-valued information elements include key information items and value information items composed of multiple key-value pairs; the first pattern string is used to characterize the overall structure of the value information items in the sample multi-valued information elements; clustering the first pattern string to obtain a pattern set, and determining the set features of the pattern set; wherein the set features can identify the pattern set; generating a feature pattern library based on the set features of the pattern set and the first pattern string of the pattern set; and analyzing and processing the alarm text to be processed and the feature pattern library to obtain the target multi-valued information elements of the alarm text to be processed. This application also discloses an alarm information extraction device and a computer-readable storage medium.

A method for synchronous excitation of multiple exciters relates to the field of dynamic testing and vibration control technology for large civil structures. The method includes the following steps: after constructing a unified time reference based on satellite navigation signals and a rubidium atomic clock, excitation amplitude and phase parameters are obtained based on the target modal requirements, and these parameters are sent to all exciter slave stations; the exciter slave stations generate a reference trajectory based on the excitation amplitude and phase parameters, enabling the exciter motor shaft angle to follow the reference trajectory in real time and output the target excitation; the phase error is obtained based on the measured excitation phase value and the reference trajectory, and then the motor angular velocity of the exciter is corrected based on the phase error. This invention solves the problems of startup phase error and long-term frequency drift in master-slave triggering schemes, ensuring synchronous start-up of all exciters. Combined with dynamic correction of the exciter motor angular velocity, it suppresses phase drift during long-term operation, significantly improving the excitation efficiency of higher-order modes and the clarity of the response signal.

The invention relates to the technical field of BIM (Building Information Modeling) technology offset monitoring, in particular to a stay cable steel strand replacement offset monitoring method by utilizing a BIM technology, which comprises the following steps: marking a replaced stay cable on a cable-stayed bridge as a target stay cable, and acquiring displacement data of each monitoring point on the target stay cable and adjacent stay cables; obtaining the vibration interference degree of the target stay cable, and analyzing the displacement data accuracy of each monitoring point of the target stay cable; and according to the vibration interference degree and the displacement data accuracy of the target stay cable, the displacement data credibility of each monitoring point of the target stay cable is obtained, and the displacement data of each monitoring point of the target stay cable is screened based on the displacement data credibility, so that the deviation of the target stay cable is monitored in combination with a cable-stayed bridge BIM model. According to the invention, the monitoring precision of the replacement offset of the stay cable steel strand can be improved.

The utility model belongs to the technical field of radiation monitoring, and particularly relates to a placing rack for a radiation dosimeter in use, which comprises a support plate, a threaded table, a lifting table, a rotating seat, a sliding rod and the like, the threaded table is fixedly connected to the top end of the support plate, the lifting table is in threaded connection to the threaded table, the rotating seat is rotatably connected to the upper portion of the lifting table, and a placing groove is formed in the rotating seat. The multiple sliding rods are distributed with the center of the rotating base as the reference and slidably connected into the rotating base. Through the design of the rotating seat, rapid placement and positioning of the radiation dosimeter body are achieved, the stability of the radiation dosimeter body in the placement process is ensured by means of the synergistic effect of a sliding rod, a first spring and an arc-shaped clamping plate, and powerful support is provided for subsequent monitoring work; the problems of inconvenience and errors caused by the fact that the radiation dosimeter needs to be manually held by hand for monitoring for a long time are effectively solved.

The utility model provides a large-span combined-section bailey beam capable of accurately positioning, which belongs to the technical field of bailey trusses and comprises a bailey beam, a plurality of beam bodies and a plurality of beam bodies, the bailey beam comprises two chord members and two vertical rods, and the two vertical rods are welded at two ends of the two chord members to form a rectangular frame structure; the reinforcing frames are arranged between the two vertical rods and are sequentially arranged at intervals; the two positioning mechanisms are detachably arranged outside the vertical rod, and each positioning mechanism comprises two positioning pieces. The novel bailey truss has the advantages that the two detachable positioning mechanisms are arranged, the problems of difficulty and errors existing when a traditional bailey truss is used for welding and positioning a reinforcing frame are effectively solved, the positioning mechanisms can be rapidly mounted and dismounted through the opening design of the sliding frame, the locking structures abut against the side faces of the vertical rods through the locking rods, and the locking effect is good. It is ensured that the positioning mechanism is stable and reliable in the using process, the inclined supporting face on the positioning block provides a precise abutting position for the bent end of the reinforcing frame, and the positioning precision during welding is remarkably improved.

This invention discloses a gap detection system, milling equipment, and detection method for drill pipe strings, belonging to the field of automated production in coal mine underground drilling equipment manufacturing. It includes a conformal gap detection mechanism comprising a cylinder. A connecting frame structure and a conformal roller structure are sequentially arranged at the bottom of the cylinder. A U-shaped mounting frame is arranged on the transverse front side of the conformal roller structure. The transmitting and receiving ends of a digital fiber optic sensor are respectively installed on the two outer side walls of the U-shaped mounting frame. The conformal gap detection mechanism incorporates a digital fiber optic sensor, enabling real-time monitoring of the gap width between drill pipe strings. It can automatically detect the gap difference between drill pipe strings of various specifications without manual intervention, solving the problems of low efficiency and large errors in traditional manual detection. Furthermore, the system boasts high detection accuracy and fast response speed, ensuring the accuracy and timeliness of gap deviation judgment.

The utility model belongs to the field of hydropower station detection, and particularly relates to an automatic annunciator for detecting water quantity in oil, which comprises an ARM, a digital temperature sensor, a capacitor, a clock circuit, an optical coupler I, a DA conversion circuit, a far-end receiving end, an optical coupler II, an alarm relay and an automatic control loop, the capacitor is connected with the clock circuit, the clock circuit is connected with the optical coupler I, and the optical coupler I is connected with the ARM through one path of I / O port; the digital temperature sensor is connected to the ARM through an I / O port; the capacitor and the digital temperature sensor are in contact with water-containing oil to be measured, a mathematical model is arranged in an ARM control program, the percentage of water in the oil is calculated through frequency, and the percentage of water in the oil is compensated through temperature. According to the utility model, the problem that the error of detecting the percentage of water in oil by a capacitance method is increased due to oil temperature rise is avoided.

The application discloses a kind of based on deep separable convolution improved remote sensing image road extraction method and system, it is related to remote sensing image processing technical field.A kind of based on deep separable convolution improved remote sensing image road extraction system, including have: data acquisition module, tree crown shadow compensation module, model construction module, model training module, road extraction module, storage module and display module.The application is compensated by constructing tree crown translucent shadow compensation module, and the shadow attenuation priori graph generated based on radiation transmission physical model DART is fused with original image channel cascade, so that the model can understand the formation process of tree crown shadow from the physical mechanism level, effectively restore the occluded road information, solve the technical problems that traditional deep learning method lacks explicit modeling of translucent shadow, and it is difficult to distinguish real road dark area and shadow false dark area.

This invention discloses an artificial intelligence-based multi-path aggregation and cleaning system for unstructured data. The invention relates to the field of data processing technology and includes a control center. The control center is communicatively connected to a two-level adaptive AI extraction module, a two-layer key aggregation module, a stage state machine determination module, a visual conflict resolution module, and a full lifecycle management module. This invention employs a strong-weak key parallel multi-path aggregation strategy, effectively solving the data merging problem in scenarios where globally unique identifiers are missing. Through the synergistic effect of strong key precise matching and weak key semantic fuzzy matching, the probability of erroneous and missed aggregations is reduced. Simultaneously, combined with standardized processing such as field normalization and logical completion of missing values, as well as optimized design of dynamic thresholds and weight parameters, the accuracy, completeness, and format uniformity of large-scale unstructured data aggregation are improved, providing high-quality structured data support for downstream analytical applications and significantly enhancing the value of data reuse.

This application relates to a method, system, device, storage medium, and computer program for complex near-surface shallow velocity modeling. The method includes: acquiring preset shot-receiver surface elevation, shot line spacing, and receiver line spacing; smoothing the preset shot-receiver surface based on the shot line spacing and receiver line spacing to obtain a first updated surface at different smoothing scales; smoothing the acquired total static correction to obtain low-frequency static correction and high-frequency static correction; smoothing the first updated surface based on the low-frequency static correction and high-frequency static correction to obtain a first simulated surface; constructing an initial near-surface gradient model based on the first arrival time of each seismic trace, the preset shot-receiver surface elevation, and the first simulated surface, and performing iterative inversion using wave tomography to obtain a final velocity model; and using the final velocity model to perform velocity analysis on each seismic trace to obtain seismic data characteristics. This method improves the accuracy of near-surface velocity modeling and reduces near-surface velocity modeling errors.

The utility model belongs to civil construction equipment technical field especially relates to a civil construction support device, including base, the base is located in the side of wall, the other side of base is equipped with hinged member through welding, the hinged member is swingingly connected through connecting rod, the other side of hinged member swingingly installs support rod, the bottom of support rod swingingly installs on support base, the bottom fixed mounting of support base has rubber damping pad. This civil construction support device, hinged mechanism is combined with lock nut, spring pre -tensioning half -spherical pre -tightening spare through stud, realizes hinged ball ± 15 DEG rotation and mechanical self -locking, and the tensile force is more than 200kN, improves installation efficiency, and the support mechanism is with the structure of sleeve, realizes the regulation of ± 1mm accuracy with hydraulic cylinder and laser range finder, the bottom is designed to adapt to the inclined ground, hot-dip galvanizing and fluorocarbon coating prolong the life, solve the many problems of traditional device.

The application discloses a natural gas compressor selection method, comprising the following steps: selecting a basic data unit of the compressor; setting a natural gas component; setting ambient environment data; setting a compressor operation parameter input matching function to obtain a compressor type; testing the selected compressor type; and generating a selection report output according to the selected compressor type. The application also provides a natural gas compressor selection device. By setting the basic data unit, the gas component and the ambient environment data, the compressor is matched, and the performance of the compressor under different conditions is simulated, so that the basic selection of the compressor type is ensured, and the defects of the artificial calculation data, such as the lack of accuracy and errors, are solved.

The utility model discloses a gas sensor packaging structure and a gas concentration detector, the gas sensor packaging structure comprises a packaging shell and a sealing plate; a detection cavity is formed in the packaging shell, an air inlet and an air outlet are formed in one side of the packaging shell, a glue filling groove is formed in the other side of the packaging shell, and a detection opening is formed in the bottom of the glue filling groove; the detection cavity is sequentially communicated with an air inlet channel, a detection channel and an air outlet channel, the air inlet channel is communicated with the air inlet, the detection channel is communicated with the detection port, and the air outlet channel is communicated with the air outlet; the sealing plate is arranged in the glue pouring groove, an induction assembly is fixed to the sealing plate, the induction assembly is arranged towards the detection opening, and the sealing plate covers the detection opening. The utility model can solve the problem of long-term stability of the sensor.

The application provides a quantitative statistical method for sigma phase in austenitic heat-resistant steel, which comprises the following steps: firstly, wire cutting the sample according to the sample size requirement of an electron microscope; then, polishing and polishing the sample; after the polishing is completed, electrolytic polishing is performed on the sample; after the electrolytic polishing, the sample is cleaned and dried, and finally, image data acquisition is performed. The application has the advantages that an electrolytic polishing method suitable for EBSD characterization of austenitic heat-resistant steel with sigma phase precipitation is provided, in which the electrolyte is prepared by mixing perchloric acid with a purity of 70-72% and glacial acetic acid at a ratio of 1:3, and the electrolyte is placed in a thermostatic bath of ice water mixture for electrolytic polishing. It is found through experiments that the sigma phase does not dissolve and fall off when the sample is electrolytically polished under the condition, and the disadvantage that the sigma phase is prone to falling off and dissolving in traditional stainless steel electrolytic polishing is solved.

The utility model relates to the technical field of building construction, in particular to an assembly type side wall pushing device which comprises a first door frame, a second door frame and a pushing device, a side wall to be installed is attached to the first door frame, the second door frame is used for positioning, the axial direction of the pushing device is in the horizontal direction, and the pushing device is connected between the second door frame and the first door frame. And the pushing device is vertical to the second door frame and the first door frame. The thrust axis of the thruster is kept in a natural vertical state with the mounting surface of the side wall component to be mounted, the thrusting direction of the thruster is completely consistent with the normal direction of the surface of the side wall component to be mounted, forward thrusting can be directly realized, the angle does not need to be manually adjusted, accurate alignment thrusting can be realized, and the working efficiency is greatly improved. The assembling precision and the mounting efficiency of the side wall are remarkably improved, and the problem of errors caused by manual adjustment in a manual hoisting and hydraulic pushing system is solved.

This invention relates to a cable channel monitoring and risk classification method based on condition-adaptive enhancement and cross-modal unified modeling, comprising: acquiring video modal data and sensor modal data, and establishing a globally unified time axis; enhancing the video modal data through a condition-adaptive imaging enhancement mechanism, and calculating the image quality score through weighted fusion; enhancing the enhanced video modal data through an attention mechanism to obtain final video features, and constructing a graph structure based on the topological relationship of sensor locations to obtain sensor features; constructing a cross-modal fusion mechanism to perform deep semantic fusion of the final video features and sensor features to obtain the final fused features; calculating multi-dimensional detection results, screening detection results that meet reliability conditions, and converting the detection results into risk levels and handling instructions to achieve cable channel monitoring and risk classification. Compared with existing technologies, this invention has advantages such as adaptability to complex working conditions, high accuracy in anomaly identification, high reliability, and long-term stable operation.

The application provides a vehicle brake energy recovery control method, device and vehicle. When the vehicle is in a brake energy recovery state, the method responds to a received gear reduction request of a transmission, and then controls a power system to perform brake energy recovery according to a brake energy recovery request value sent by a chassis system. Further, current gear information of the transmission in the gear reduction process is obtained, wheel end torque is determined based on the current gear information and a current input shaft torque, and then a brake energy recovery execution value is determined according to the wheel end torque, which is sent to the chassis system to make the chassis system feedback an execution result. The execution value is determined based on actual gear shifting process information of the transmission, the accuracy of the execution value fed back to the chassis system is ensured, the problem that the brake energy recovery function is reported as an error and disabled in the prior art is solved, and normal operation of the function is ensured.

This invention relates to a three-dimensional digital contour detection system for tunneling roadways, belonging to the field of roadway contour measurement technology. The system includes: a data acquisition module for acquiring raw point cloud data using a three-dimensional scanning device; a data preprocessing module for preprocessing the raw point cloud data to obtain actual point cloud data, constructing design point cloud data, and aligning the actual point cloud data with the design point cloud data to obtain standard point cloud data; an over- or under-excavation area division module for dividing over- or under-excavation areas according to the design point cloud data; a plane selection module for fitting multiple random planes and selecting multiple initial candidate planes; a roadway size calculation module for classifying five actual planes and calculating the roadway dimensions based on the five actual planes; and a visualization and storage module for visually displaying the roadway contour information. This invention reduces the error in tunneling roadway contour measurement and improves the efficiency and real-time performance of roadway contour construction.

This invention discloses an improved adaptive error estimation and compensation method for high-orbit SAR, which can effectively estimate and compensate for amplitude and phase errors caused by non-ideal factors, and solve the spatial variation error caused by large imaging stripes in high-orbit SAR, achieving focused imaging. The method includes the following steps: A GEO SAR satellite images the imaging area, and the echo data of the imaging area is processed into two-dimensional blocks to obtain m two-dimensional sub-blocks. The total synthetic aperture is divided into n sub-apertures. The SPECAN algorithm is used to image each sub-aperture and two-dimensional sub-block, resulting in n×m images. Discrete windowing is applied to the n×m image data, followed by PGA correction to obtain the amplitude and phase errors corresponding to each image. Error fusion is performed on the amplitude and phase errors corresponding to each sub-aperture image. After full-aperture error compensation, full-aperture imaging is performed on each two-dimensional sub-block, and then the images are stitched together to obtain the final imaging result of the GEO SAR for the entire imaging area.

This invention relates to the field of laser marking technology, and provides a control method and system for an aluminum rod laser marking machine. The method includes: identifying the contour, placement position, and height / undulation of the aluminum rod; real-time acquisition of the actual distance data between the surface of the marking area of ​​the aluminum rod and the laser head, and calculating the basic compensation amount of the laser focus based on the actual distance data; simultaneously compensating for the closed-loop system delay between the signal acquisition of the ranging module and the execution response of the XY-axis servo drive module; obtaining the final control parameters of the XY-axis dynamic displacement based on the basic compensation amount and the delay compensation; and transmitting the final control parameters to the XY-axis servo drive module to drive the laser marking module to perform XY-axis dynamic displacement, marking the aluminum rod in a non-contact manner. This invention enables precise control of the XY-axis servo drive module, achieving dynamic tracking and adhesion of the laser focus to the surface of the aluminum rod, which improves the versatility and adaptability of the equipment.

The application discloses a blood loss risk assessment method and system based on image data analysis, and relates to the technical field of image processing, which comprises the following steps: identifying and positioning the pixel coordinates and corresponding world coordinates of all the inside corner points of the checkerboard in the calibration plate image, solving a homography matrix, defining a color correction function, and constituting a reference range interval of healthy skin; judging the scalar field of each pixel position in the image based on the healthy skin reference range, generating an initial wound area binary mask, and calculating a normalized chroma state field; and performing risk assessment on the bleeding state of a patient. Through the combination of homography matrix correction and color correction function, the application effectively solves the problems of image geometric distortion and color error, improves the accuracy of wound image analysis, and enhances the accuracy and stability of the evaluation results through the combination of local entropy production rate and diffusion flux vector field.

The invention relates to a method for determining oil saturation, and belongs to the technical field of oil exploration and development. The method for determining the oil saturation comprises the following steps: determining the increase amount of the irreducible water saturation by using the irreducible water saturation obtained by experimental testing of a target stratum core in a research area and the volume increase rate of a standard solution for simulating the formation water mineralization degree of the target stratum in the research area; and by adopting a multiple regression method, constructing a corresponding relation between the corrected irreducible water saturation of the target stratum encountered by the standard well in the research area and the crude oil aggregation force, porosity and permeability, and obtaining an irreducible water saturation solving model of the target stratum in the research area. According to the method for determining the oil saturation, the irreducible water saturation is corrected by using the formation water mineralization degree, so that the influence of the formation water salinity on the irreducible water saturation can be weakened, the irreducible water saturation is more practical, and the calculation accuracy of the constructed irreducible water saturation solving model is improved.

The invention provides a high-speed filter stick forming equipment online marking method based on a dynamic window trigger, which comprises the following steps of: accessing an encoder signal of filter stick forming equipment, calculating the minimum detectable pulse number according to the maximum speed and the program execution period of the filter stick forming equipment, and performing pulse compensation; generating a dynamic window trigger with a predetermined total number of output pulses; defining a dynamic window trigger structural body, recording a current encoder pulse position as a starting point when a filter stick type signal rising edge is detected, and dynamically generating a trigger window; meanwhile, an integer type annular queue array with the length of P is defined, an initial pointer cardinal number Base is set, and cyclic updating is carried out according to Base = (Base + 1) mod P when each filter stick is shifted; whether filter stick mark management is executed or not is judged; after enumeration type driven filter stick mark management is carried out, dynamically triggered key tasks are deployed to a real-time task core in a TwinCAT3 software platform, and non-real-time tasks are distributed to a low-priority task core.

The utility model relates to a laser calibration device suitable for a vehicle-mounted artillery filling device, which comprises a bullet tray laser emitter, a bore positioner, a bore angle sensor and a bullet tray angle sensor, and is characterized in that the bullet tray laser emitter is used for being placed on an artillery bullet tray to emit alignment laser; the bore positioner is used for being plugged into the inner side of an artillery bore to receive alignment laser emitted by the bullet supporting disc laser emitter, a laser receiving plate is arranged on the inner side of the bore positioner, the laser receiving plate is divided into a qualified area and other areas, and the bore angle sensor and the bullet supporting disc angle sensor are electrically connected with the bore positioner through wires. According to the utility model, whether the axis of the tray and the axis of the bore coincide or not can be visually and accurately detected, and the problem that the error between the axis of the tray and the axis of the bore cannot be directly known in the prior art is solved.

The present application relates to the technical field of belt thickness measurement, and discloses an adjustable mobile wide belt thickness measurement system and structure, which comprises the following steps: positioning through a cross-roller bearing positioning pin hole, fitting a roller axis with a laser surface vector, adding a bolt pre-tightening torque control and a sliding window filtering; dynamically identifying the belt edge through a laser gray difference value, presetting a stroke redundancy to adapt to belt deviation, combining historical data to predict the deviation trend, performing self-adaptive correction, real-time correction of the vertical distance, constructing a wear pattern analysis model to obtain the complete cross-sectional thickness, combining the gray threshold value to identify the steel wire and introducing a corrosion coefficient to correct the safety distance, adding cross-sectional area and wear gradient calculation to solve the problem of no overall wear evaluation, synchronously driving the elevation angle and horizontal angle adjustment through the thickness deviation to solve the laser alignment deviation accumulation and dynamic measurement error, triggering the environmental parameter re-calibration to solve the deviation caused by environmental interference, and real-time correction of the module stroke combined with the belt width.

The present application relates to the technical field of welding, in particular to a desk leg welding positioning device, which comprises a supporting assembly, a pre-positioning assembly and a clamping assembly; the supporting assembly comprises a base and a supporting table for placing a desk body; the pre-positioning assembly is provided with a lifting plate in sliding connection with the supporting table, a lifting structure for driving the lifting plate to move, two sliding plates slidingly arranged on the lifting plate and a pushing structure for pushing the sliding plates to approach the desk legs for pre-positioning; the clamping assembly is used for clamping the desk legs after pre-positioning. Through the mechanical pre-positioning and clamping linkage mechanism, the present application reduces manual intervention, improves the positioning accuracy and speed of desk leg assembly, and thus improves the overall welding efficiency.