31results about How to "Thorough testing" patented technology

The invention provides a multi-mode signal detection method and a multi-mode signal detection system for rail defects. The method includes the following steps: an optical signal of an area to be detected on the surface of a rail to be detected is acquired, and according to the optical signal, the spatial distribution information and surface injury type of rail surface injuries are determined; an opto-acoustic signal of the location area where the rail surface injuries is acquired, and according to the opto-acoustic signal, the spatial distribution information and shallow injury type of shallow rail injuries are determined; ultrasonic echo signals of the location area where the shallow rail injuries and a deeper area are acquired, and according to the ultrasonic echo signals, the spatial distribution information and deep injury type of deep rail injuries are determined; according to the spatial distribution information of the surface, shallow and deep of rail injuries, in combination with the optical, opto-acoustic and ultrasonic detection data, the rail to be detected is reconstructed three-dimensionally. The invention effectively increases the precision and efficiency of detection results, and can more visually and vividly show the defects existing in the rail.

The invention provides vacuum welding equipment capable of automatically detecting a weld joint and a using method of the vacuum welding equipment. The vacuum welding equipment comprises a vacuum device, a welding vacuum chamber, a feeding vacuum chamber, an electron beam welding device, a welding worktable, an argon arc welding device, a nitrogen generation device and a weld joint detecting device; the welding vacuum chamber and the feeding vacuum chamber are provided with a piston sealing plate and a lifting sealing plate correspondingly; the electron beam welding device is arranged on the piston sealing plate, and the welding worktable can be overturned by 180 degrees and rotated by 360 degrees; the argon arc welding device is mounted on the piston sealing plate in a replaceable mode, and the nitrogen generation device can provide liquid nitrogen for a welding gun and a weldment for cooling; and the weld joint detecting device is arranged at the bottom of a feeding conveying belt. Adetecting frame is arranged to be of a semi-arc structure and can rotate, detection through a probe on the detecting frame is more thorough, when the weldment is transferred out from the equipment, the quality of the weld joint of the weldment can be quickly, conveniently and accurately detected, and the production efficiency is effectively improved.

The invention concerns a vibration test apparatus for testing various fastening elements, in particular bolt / nut connections, where a fastening element is fixed in the vibration test apparatus and subjected to lateral oscillating or vibrating actions via a carriage which is movably connected to a connecting rod, where the connecting rod is connected with a stroke regulator, where the eccentricity of the stroke regulator is adjustable during operation via a regulating mechanism. The new feature of the vibration test apparatus according to the invention is that the eccentricity of the stroke regulator via a regulating mechanism is stepless and arranged internally of a stroke regulator and at least includes a slide, where the slide is displaceable in relation to a connecting rod bearing via a control rod.

The invention discloses an appearance defect detection device based on 360 degrees of an inner ring. The device comprises a mounting side plate, an automatic object distance detection assembly, a camera, a stroboscopic angle light source, an inner ring detection lens, an automatic image distance adjusting assembly and an automatic light source adjusting assembly, wherein the automatic image distance adjusting assembly is fixed on a support plate a, the camera is fixed on the automatic image distance adjusting assembly through a support plate b, the inner ring detection lens is connected with the automatic image distance adjusting assembly through a support plate c, and the stroboscopic angle light source is fixed with the automatic light source adjusting assembly through a support plate d.According to the appearance defect detection device, the inner wall of a component can be subjected to image detection by the added inner ring detection lens, detection of the component is more comprehensive and more thorough, by the added automatic image distance adjusting assembly and automatic light source adjusting assembly, interval adjustment and control are more intelligent and more precise, interval data corresponding to certain component type can be stored, and the interval can be adjusted without deviation when the component is measured next time.

The invention discloses an automatic detection device for a brake disc, and mainly relates to the technical field of detection devices. The automatic detection device comprises a basic unit, a heatingunit, a detection unit and a control unit; the basic unit comprises a box body, a workbench, a gear motor III, a rotating shaft and a gland; the heating unit comprises a hot-air blower, a hose and ahot-air pipeline group; the detection unit comprises a left side detection assembly and a right side detection assembly; and the control unit comprises a controller and a plurality of wires. Automaticdetection is easily achieved through program setting and controller control, and time and labor are saved; the surface of the brake disc is heated through hot air, detection is conducted in the hot working state of the brake disc, and detection data is obtained, so that the data is real and reliable, and is high in referability; the left detection assembly can rapidly observe and judge the surface smoothness and the abrasion degree of the brake disc according to the coloring condition of the disc surface of the brake disc, and the detection process is visual; and the right detection assemblydetects the surface roughness, the standard thickness and the form tolerance of the brake disc according to different detection tools, and detection content is comprehensive.

The invention relates to the technical field of computers, and provides an intelligent Docker container malicious file detection method and device. The method is applied to a server and comprises: acquiring a plurality of files in an original mirror image of a target Docker container, wherein the target Docker container is a to-be-detected Docker container; for each file in the plurality of files,detecting the file by using a malicious file feature code based on a yara rule so as to judge whether the file is a malicious file or not, and obtaining a first detection result; for each file in theplurality of files, detecting the file by using antivirus software to judge whether the file is a malicious file or not to obtain a second detection result; obtaining a plurality of webpage files inan original mirror image of the target Docker container; and for each webpage file in the plurality of webpage files, inputting the webpage file into a webpage classification model to detect whether the webpage is a Webshell webpage backdoor file or not, and obtaining a third detection result.

The invention provides a small hardware fitting defect detection algorithm based on machine learning, and relates to the technical field of hardware fitting defects. The algorithm comprises the steps of taking a proper light source, adjusting the distance between a detected hardware fitting and the light source, carrying out image collection on the detected hardware fitting, carrying out illumination correction on the collected image to enhance the collected image, carrying out de-noising processing on the enhanced image, carrying out optimization and denoising again by combining a three-dimensional block matching algorithm, carrying out binarization processing on the processed image, dividing the processed image into a light spot image and a background image, comparing a detected image with an original image, and marking and storing. The defect detection precision is improved, the process is simple, a defect part can be visually marked, a detector can conveniently check through a display, and the efficiency of a detection result is improved.

The invention discloses a rapid detection device for a liquid crystal antenna panel. The rapid detection device comprises six systems, namely a light source generation system, a light path regulationand control system, a detection sample fixing system, a polarizing film disassembly and assembly and motion control system, an optical signal collection and conversion system and a to-be-detected liquid crystal antenna panel. A light source component array is designed, each light source component can be independently switched on and off according to detection requirements, and detection of different emergent light angles and fine and comprehensive optical detection of liquid crystal products are achieved by adjusting parameters such as the emergent light angle and the emergent light polarization state of the light source. According to the device, a photoelectric signal detector and an image acquisition camera (CCD) are combined for use, so detection results can be accurately classified andobtained, an automatic online detection mode is provided, and the detection speed is high. The detection identification degree of the to-be-detected liquid crystal antenna panel is effectively improved, and the variety and detection efficiency of product defect detection of the liquid crystal antenna panel in production and manufacturing are greatly increased.

The invention discloses a ceramic product notch repairing device which comprises a machine body and a detection cavity in the machine body. An inlet communicating with the outside is formed in the upper end of the detection cavity, first sliding grooves are symmetrically formed in the left wall and the right wall in the detection cavity, fixing blocks are arranged on the first sliding grooves in asliding manner, and first gears are fixedly arranged at the lower ends of the fixing blocks; and an air cylinder is arranged in each first gear, a detection block is arranged at the tail end of a telescopic rod at the front end of each air cylinder, a second sliding groove is formed in each detection block, a pressure sensor is arranged at the rear side of each second sliding groove, the pressuresensors can sense stress changes, and a rack is arranged on the second sliding grooves in a sliding manner. According to the ceramic product notch repairing device, the positions of notches in ceramic bowls can be automatically detected, and the sizes of the notches can be detected, so that different amounts of raw materials are selected to repair the ceramic bowls, and resources are saved; and meanwhile, the device can be suitable for the ceramic bowls of different sizes and heights, the device can comprehensively detect the bowls from top to bottom through adjustment, and detection is morethorough.

The invention discloses a medical device detection device, which comprises a base, a detection box is arranged on the upper side wall of the base, the detection box is a hollow structure, and a telescopic door is arranged on one side wall of the detection box, The base is a hollow structure, and the upper side wall of the base is provided with an upward strip-shaped opening, and the side wall of the base is provided with a first drive motor, and the output shaft of the first drive motor runs through the base The side wall of the threaded rod is connected with a horizontally arranged threaded rod, the side of the threaded rod away from the first drive motor is rotatably connected with the inner wall of the base, and the outer side wall of the threaded rod is also sleeved with two matching nuts, and the side walls of the two nuts are provided with vertically arranged connecting rods. In the present invention, the medical instrument detection device can clamp surgical instruments of different sizes, and the clamping operation is convenient. In addition, multiple surgical instruments can be detected at one time, and the detection efficiency is greatly improved.

The invention discloses a multifunctional medical pediatric auscultation device. The multifunctional medical pediatric auscultation device comprises a supporting shell; a central processing unit, a storage battery, a storage device and a signal converter are arranged in the supporting shell, and the input end of the central processing unit is electrically connected with the output ends of the storage battery and the signal converter; the central processing unit is in bidirectional electrical connection with the storage device; a displaying device and controlling keys are arranged on the upper surface of the supporting shell; pulse of a patient can be detected through a pulse detecting device, so that detecting is more convenient; a blood pressure detecting device and an auscultation device are connected to a connector; the situation inside the patient can be detected through the auscultation device, so that detecting is more thorough; and blood pressure of the patient can be detected through the blood pressure detecting device, so that various detecting can be achieved. According to the multifunctional medical pediatric auscultation device, the structure is simple, operation is easy, not only can auscultation be conducted on the patient, but also the pulse and blood pressure of the patient can be detected, so that detecting is more thorough.

The invention relates to a double-headed manual gun testing method comprising the steps of a, a gun life test in which an automatic test machine conducts a cycle usage test for 5000 to 20000 times; b, a gun body pressure-resistant test in which the gas with a pressure of 8KG is injected into a gun body and lasts for 60 minutes; c, a sealing test in which a gas pipe connector is connected, the gas pressure of 3 to 5KG, the gun body is immersed in water, the number of bubbles are observed at each screw, and whether bubbles come out at an inner nozzle insert and a gun handle is observed; d, a test in which the liquid with a pressure of 4 to 6KG is injected, and whether the liquid leaks at a liquid pipe connector is observed; and f, a spray coating test in which the effect of atomization is observed. The testing method can detect the airtightness of multiple parts of the gun. In addition, the testing method is also for detecting the spray coating effect of different shapes, so that the spray coating effect is detected thoroughly.

The present invention provides a multi-modal signal detection method and device for rail defects. The method includes: obtaining optical signals of the surface area to be tested of the rail to be tested, and determining the spatial distribution information of the surface damage of the rail according to the optical signals. Surface damage type; obtain the photoacoustic signal of the location area where the rail surface damage is located, and determine the spatial distribution information and shallow damage type of the rail shallow damage according to the photoacoustic signal; obtain the location area of ​​​​the rail shallow damage And the ultrasonic echo signals of deeper areas, and according to the ultrasonic echo signals, determine the spatial distribution information and deep damage types of rail deep damage; according to the spatial distribution information of rail surface, shallow and deep damage, fused optical , photoacoustic and ultrasonic testing data, and perform three-dimensional reconstruction of the rail to be tested. The invention effectively improves the accuracy and efficiency of the detection results, and can display the defects of the rail more intuitively and vividly.

The invention discloses a carbon fiber composite core wire round inspection device and a using method thereof. The device comprises a first main body, one side of the first main body is connected with a second main body, and the top of the first main body is provided with push buttons; the outer side face of the second main body is provided with a display screen, a detection groove formed in the front face of the second main body longitudinally extends to the back face of the second main body, laser ultrasonic detection devices are arranged in the detection groove, and a containing cavity is formed in the second main body and located under the detection groove; the bottom of the containing cavity is provided with a base, a sliding block is connected in a sliding groove formed in the top of the base, the two sides of the base are each connected with a micro hydraulic cylinder, one end of each micro hydraulic cylinder is connected with a hydraulic rod, the other ends of the hydraulic rods are inserted into the sliding groove formed in the top of the base and connected with the sliding block, and the top of the sliding block is connected with a connecting plate. The device has the effects of fixing and rotating a carbon fiber composite core wire, therefore, detection is more thorough, and monitoring is more convenient.

The invention discloses a laser detection device for substances and relates to the field of substance detection devices. The device comprises a base station with a first power device mounted at the bottom, at least two parallel material grooves are formed in the top face of the base station. A laser generating device is installed above the base station through a support and is used for emitting laser, meanwhile, a beam splitter prism is mounted on the support and is used for splitting laser emitted by the laser generating device to form split light capable of being emitted into the material grooves, the support is further provided with at least two laser sensors used for receiving the split laser reflected by the material grooves, and the laser sensors are both in signal communication witha PC end. Therefore, the purpose of dynamically collecting the laser information of the to-be-measured object is achieved.

The present invention relates to an intelligent testing system, method and medium of light-emitting diodes, belonging to a testing device for light-emitting diodes, including a frame, at least two sets of storage modules arranged in parallel on the frame, a testing module, a feeding module and The control terminal, the test module includes a third linear movement module arranged on the frame, a fourth linear movement module is arranged on the third linear movement module, and a fourth linear movement module is arranged on the fourth linear movement module. The third moving block, the two sides of the third moving block are provided with a second moving cylinder, the output end of the second moving cylinder is provided with a test platform, and a plurality of probes are arranged on the test platform, and the probes Used to contact the positive and negative terminals of the LED so that the probe can communicate with the internal components of the LED. The faults of the internal parts of the light emitting diode can be quickly detected through the probe, thereby screening out unqualified products and improving the authenticity rate of the miniature light emitting diodes when they leave the factory.

The invention discloses a special surgical instrument particle detecting device. The special surgical instrument particle detecting device comprises a machine body, wherein a working cavity is arranged in the machine body; the front side of the working cavity is provided with a turnover mechanism; the rear side of the working cavity is provided with a reciprocating swing mechanism; a left-right through detecting cavity is arranged below the working cavity; a detecting mechanism is arranged in the detecting cavity; a placing cavity which communicates with the detecting cavity is arranged abovethe detecting cavity; the right side of the placing cavity is provided with a first rectangular slot; the right side of the first rectangular slot is provided with a second rectangular slot; the frontside of the first rectangular slot is provided with a third rectangular slot; a drive mechanism is arranged in the third rectangular slot; the rear side of the third rectangular slot is provided withan intermittent cavity; a power shaft is rotatably arranged in the machine body; the upper end of the power shaft extends into the machine body and is provided with a first motor in a powered mode; and the lower end of the power shaft extends into the second rectangular slot and is fixedly provided with a first bevel gear.

The invention discloses an automatic detection device for brake discs, which mainly relates to the technical field of detection devices, and includes a basic unit, a heating unit, a detection unit and a control unit. , the heating unit includes a hot air blower, a hose and a hot air pipe group, the detection unit includes a left detection component and a right detection component, and the control unit includes a controller and several wires. The invention easily realizes automatic detection through program setting and controller control, saving time and effort; the surface of the brake disc is heated by hot air, and the detection data is obtained under the hot working state of the brake disc, and the data is true and reliable and has high referenceability; The detection component on the left can quickly observe and judge the surface finish and wear degree of the brake disc according to the coloring of the brake disc surface. The detection process is intuitive. The detection component on the right detects the surface roughness, standard thickness and shape tolerance of the brake disc according to different detection tools. comprehensive.

The invention discloses a method and device for detecting blinding loopholes of gating detectors in a quantum key distribution system, including a blinding pulse light generation module, a trigger pulse light generation module, a quantum signal interception module, a classical signal interception module, and clock synchronization module. By simulating the general form of blinding attack—pulse light blinding attack, the present invention realizes the relatively thorough detection of the blinding loophole of the gating detector for the first time, and provides guarantee for improving the actual security of the quantum key distribution system.

The invention discloses a device for detecting heavy metals in wastewater, and relates to the technical field of wastewater detection, wherein the device comprises a cabinet body, a placing mechanismand a detection box; a first mounting table is fixed above the cabinet body; a second mounting table is mounted above the first mounting table; the placing mechanism is arranged on one side of the front part between the first mounting table and the second mounting table; the detection box is mounted above the middle of the second mounting table, feeding hoppers are fixed to the two sides of the upper portion of the detection box, a first filter screen is arranged on each of the upper portions of the interiors of the feeding hoppers, a second filter screen is arranged below each first filter screen, and a motor is mounted above the middle of the detection box. The device has the beneficial effects that by arranging the placing mechanism, placement and storage of wastewater samples are facilitated, six wastewater samples can be conveniently arranged in six placement grooves which are symmetrically and uniformly distributed, and by arranging the detection box, chemical mixing treatment onwastewater and a reagent solution for inspection is facilitated, so that subsequent detection is facilitated.

The invention belongs to the field of steering wheel skeleton detection, and particularly relates to automatic electronic inspection equipment capable of rapidly detecting a steering wheel skeleton, which comprises a base, a top plate is arranged right above the base, support plates are fixed on two sides of the bottom of the top plate, and the tail ends of the support plates are fixed at corresponding positions of the top of the base. The steering wheel framework is fixed to the surface of the limiting block, then the steering wheel framework is abutted through the abutting plate, then the vertical rod is driven to rotate through the motor, the distance of the periphery of the steering wheel framework is detected through the high-precision distance sensor, and therefore the size of the steering wheel framework can be rapidly detected; compared with a previous detection mode, the efficiency is remarkably improved, meanwhile, the detection accuracy is improved, the peripheral wall of the steering wheel framework can be detected in an all-around mode, detection is comprehensive and thorough, meanwhile, detected data can be fed back and recorded, and reference is conveniently provided for later steering wheel size optimization.

The invention belongs to the field of spheroidal graphite cast pipe processing, and particularly relates to a spheroidal graphite cast pipe centrifugal casting thickness measuring device which comprises a top plate, supporting plates are fixed to the two ends of the top plate, a first limiting sliding groove is formed in the bottom of the top plate, and a first lead screw motor is fixedly installed on the left side wall of an inner cavity of the first limiting sliding groove. The outer end of a transmission shaft of the first lead screw motor is fixedly connected with a first lead screw. The ultrasonic thickness gauge can be attached to the outer wall of the mold, the thickness of raw materials, evenly distributed on the inner wall of the mold, in the mold in the rotating process can be measured according to the ultrasonic thickness measuring principle, and therefore the thickness can be accurately measured in the machining process, material adding or material adding stopping can be conducted in time, and the machining efficiency is improved. Meanwhile, compared with the prior art, later detection is not needed, waste is avoided, automatic detection is conducted, operation is convenient and fast, and efficiency is improved.

The invention discloses a method for detecting the integrity of a weld through an ultrasonic guided wave array. The method comprises the following steps: 1, exciting L (0, 2) symmetrical guided waves in a pipeline, and arranging sensor arrays at two sides of the weld to receive a detection signal; 2, calculating the peak of incoming waves before the guided waves go through the weld and the peak of transmitted waves after the guided waves go through the weld, and adopting the reciprocal of a transmission coefficient as a damage index; and 3, drawing the circumferential distribution curve of the damage index, and carrying out weld defect parameter identification on the peaks of the curve. The ultrasonic guided wave array is adopted to realize thorough detection and high precision of the integrity of the weld.

The invention discloses a carbon fiber composite core wire inspection device and a method for using the same. The outer surface is provided with a display screen, and the detection groove provided on the front of the second main body extends longitudinally to the back of the second main body, and a laser ultrasonic detection device is arranged in the detection groove, and a storage cavity is provided inside the second main body, and the storage cavity Located below the detection slot, there is a base at the bottom of the storage chamber, a slider is connected to the chute on the top of the base, and a miniature hydraulic cylinder is connected to both sides of the base, and a hydraulic rod is connected to one end of the miniature hydraulic cylinder. The other end of the base is inserted into the chute opened on the top of the base and connected with the slider, and the top of the slider is connected with a connecting plate. The invention has the effect of fixing the carbon fiber composite core wire and rotating the carbon fiber composite core wire, so that the detection is more thorough and the monitoring is more convenient.

The invention discloses a centering workbench. The centering workbench comprises a base and a self-centering component mounted on the base, and the self-centering component comprises a sample fixing seat, a middle support, a first driving component and a second driving component, wherein the middle support is rotatably connected with the base through a coronal shaft and is rotatably connected with the sample fixing seat through a sagittal shaft, the first driving component is used for driving the sample fixing seat to rotate around the sagittal shaft, and the second driving component is used for driving the middle support to rotate around the coronal shaft. The centering workbench is capable of positioning samples and driving the samples to rotate in multiple degrees of freedom by centering on detection portions of the samples, detection from multiple viewing angles can be achieved without movable detection equipment, a detection process is convenient and rapid, and comprehensive and thorough detection can be achieved.

The invention provides a clamping and moving assembly for paint detection, comprising a mounting ring formed by splicing a plurality of arc-shaped plates, and adjacent arc-shaped plates are connected to each other through connecting plates; There are clamps. The invention can solve the deficiencies existing in the prior art, meet the needs of flexible rotation at multiple angles, facilitate detection and improve detection efficiency.

The invention relates to a double-head pneumatic spray gun testing method. The double-head pneumatic spray gun testing method includes the steps of A, testing service life of the spray gun, namely, conducting cycle usage test for 5,000-20,000 times by an automatic tester; B, subjecting a spray gun body to pressure resistance testing, namely, injecting air with the pressure of 8 KG into the gun body for 60 minutes; C, testing airtightness, namely, establishing connection with an air pipe joint at the air pressure of 3-5 KG, observing the number of bubbles rising from all screws respectively when the gun body is immerged into water, and observing whether or not the bubbles rise from a gun nozzle; D, establishing connection with liquid with the pressure of 4-6 KG and observing whether a liquid pipe joint leaks liquid or not; F, conducting spray testing, namely, observing atomization effects. The double-head pneumatic spray gun testing method is capable of testing airtightness of multiple portions of the spray gun and can be more thorough in spray effect detection by testing different shapes of spraying effects.

The invention discloses a centering workbench. The centering workbench comprises a base and a self-centering component mounted on the base, and the self-centering component comprises a sample fixing seat, a middle support, a first driving component and a second driving component, wherein the middle support is rotatably connected with the base through a coronal shaft and is rotatably connected with the sample fixing seat through a sagittal shaft, the first driving component is used for driving the sample fixing seat to rotate around the sagittal shaft, and the second driving component is used for driving the middle support to rotate around the coronal shaft. The centering workbench is capable of positioning samples and driving the samples to rotate in multiple degrees of freedom by centering on detection portions of the samples, detection from multiple viewing angles can be achieved without movable detection equipment, a detection process is convenient and rapid, and comprehensive and thorough detection can be achieved.

The invention discloses a pipeline detection device. The detection device comprises a detection device body, wherein the detection device body comprises a front shell body and a rear shell body, the front shell body is located at the top end of the rear shell body, a fixing plate is arranged between the front shell body and the rear shell body, the front shell body is a semi-circular transparent shell body, a miniature camera is arranged inside the front shell body, and a plurality of LED lamps are symmetrically arranged at the positions, located on the two sides of the miniature camera, inside the front shell body; and a rotating structure is arranged at the bottom end of the miniature camera, and comprises a rotating disc, a fixing disc, a first gear, a second gear, a third gear and a rotating column, wherein the first gear is arranged on the inner side of the rotating disc, the fixing disc is fixed in the middle of the rotating disc, a hollow cavity structure is formed between the rotating disc and the fixing disc, the third gear is arranged at the top end of the fixing disc, the rotating column is arranged in the third gear, and the rotating column penetrates through the thirdgear and extends to the bottom end of the fixing disc. The device has the beneficial effects that the miniature camera can detect the condition in a pipeline, meanwhile, a positioning chip can detectthe position of the detection device body in real time, so that the detection efficiency is guaranteed.