1291results about How to "Improve detection quality" patented technology

The invention relates to a remote controller automatic detection production line, comprising a conveyor belt and also at least comprising an appearance detection working station and a function detection working station, wherein the appearance detection working station comprises an appearance detection device arranged on the conveyor belt and an unqualified-appearance product recycling device; the function detection device comprises an automatic function detection device arranged above or at one side of the conveyor belt and an unqualified-function product recycling device. The remote controller automatic detection production line realizes automatic online detection of remote controllers, not only improves the detecting efficiency, but also avoids influence from artificial subjective judgment and improves the detecting quality.

This disclosure provides oil filling and labeling apparatuses for atomizers of electronic cigarettes, which include a rack provided with a table board. A material pick-up operation position, an oil filling operation position, an assembling operation position, a labeling operation position and a pressing operation position for silicon rubber sleeve are provided on the table board. The oil filling and labeling apparatuses for the atomizers of the electronic cigarettes further include a material loading mechanism, an oil filling mechanism, a mechanism for mounting oil-sealing ring, a mechanism for mounting end cap, an electric resistance detection mechanism, a first material rotation mechanism, a labeling mechanism, a second material rotation mechanism and a mechanism for pressing silicon rubber sleeve. The atomizer of the electronic cigarette is successively conveyed for processing among such mechanisms.

The invention discloses a microblog hot topic analyzing method. The method comprises the following steps that a microblog collection module obtains microblog data in the mode of combination of a web spider and a microblog third-party api technology according to a collection strategy; key words and sensitive words are called from a word bank through a word segmentation technology, and key words and sensitive words are analyzed out from microblog text data; the microblog webpage text data are filtered according to the analyzed key words, the analyzed sensitive words and emotional tendency words; a hot topic module marks the content involved between the symbols of # and # and between the symbols of [] as a topic through a clustering analysis technology, so that the number of microblog comments is counted; a hot people module analyzes the number of microblog fans and the number of the comments through the clustering analysis technology; a microblog early warning module analyzes out microblog information related to the key words and the sensitive words from the network microblog; an analyzing and counting module automatically generates a brief report through relevant data analyzed out from the system. The accuracy of topic analysis is improved, and detection efficiency is improved.

The invention discloses a full-automatic modular multi-sample intelligent processing system, which comprises a liquid adding and homogenizing module, an automatic vacuuming and filtering module, an automatic nitrogen blowing and concentrating module, an automatic gelatum permeating and purifying module, an automatic slide phase extracting module, an automatic transmitting and heating module and an operation control module. Corresponding processing modules, experimental condition procedures and operation procedures are edited and selected by the operation control module according to the needs of different samples to be processed to carry out corresponding automatic processing. The full-automatic modular multi-sample intelligent processing system can synchronously process four samples, can continuously process fixteen samples, and carry out processing procedures of liquid adding, homogeneity extraction, filtration, gelatum purification, solid phase extraction, nitrogen blowing on the samples. The full-automatic modular food residual sample processing system realizes full automation of processing the samples, effectively improves the sample processing quantity, simplifies the operation process, improves the detection quality and improves the experimental safety.

The invention discloses an ultrasonic inspecting and scanning device of a welding line, comprising a main frame, an idler wheel mechanism and a scanning mechanism, wherein the idler wheel mechanism is connected with the main frame, the scanning mechanism is arranged on the main frame and comprises a slanting scanning mechanism, and the slanting scanning mechanism is provided with a slanting scanning arm which is configured aslant relatively to a welding line to be inspected. The main frame is rectangular, and four edges of the main frame are all provided with guide rails; the slanting scanning mechanism comprises two slanting scanning brackets, a slanting guide rail and two slanting scanning arms, wherein the slanting guide rail is connected between two slanting scanning brackets, and the slanting scanning arms are arranged on the slanting guide rails; one slanting scanning bracket is straddled on two guide rails of two adjacent edges of the main frame, and the other slanting scanning bracket is straddled on two guide rails of other two adjacent edges. The ultrasonic inspecting and scanning device of a welding line, which is provided by the invention, can effectively solve the problem of missed detection of horizontal defects, enlarge defect detection range, realize overall scanning of the welding line and reduce potential safety hazard.

The invention relates to an automatic wheel hub appearance sorting device based on machine vision. The automatic wheel hub appearance sorting device comprises a detection body. The detection body comprises a positioning assembly, at least three light source camera assemblies and a detection frame, wherein the positioning assembly is used for fixing a wheel hub through a clamping device and driving the wheel hub to make Z-axis movement and rotary movement; the light source camera assemblies are correspondingly arranged on the upper portion, the lower portion and the side edge of the fixed wheel hub; and the detection frame is used for fixing the positioning assembly and the light source camera assemblies through connecting devices, and the light source camera assemblies are connected with an upper computer through network interfaces. Through the automatic wheel hub appearance sorting device, the functions of wheel hub type recognition, fixed centering and automatic appearance detection are achieved, and the automatic wheel hub appearance sorting device has the advantage of being high in detection efficiency and accuracy rate.

The invention discloses a method and equipment for the visual detection of visible foreign matters in a bottled liquid medicine. The method comprises the following steps of: (1) obtaining a multi-frame continuous image from a current liquid medicine which is to be detected and is filled in a medicine bottle by using an industrial camera; (2) preprocessing the image: carrying out top-hat morphologic filtering on the obtained image by adopting a 7*7 circular template as a structural element; (3) extracting a moving object; (4) tracking the moving object; and (5) identifying and judging the image. The device comprises a bottle grabbing manipulator used for grabbing the medicine bottle and an image collecting and processing device arranged close to the bottle grabbing manipulator. The method and the device are suitable for detecting the visible foreign matters of a traditional small-capacity bottled liquid medicine and have the advantages of simple realization, good detection effect, high safety and reliability, extensive application range and the like.

The invention discloses a live video streaming interactive special effect realization method and system based on human face detection, which relates to the technical field of live video streaming special effects. The method comprises the following steps that an anchor sets a video streaming room to a special effect turned-on state through an anchor terminal; a user enters the video streaming room with the special effect turned-on through a client terminal; when the anchor starts the live video streaming, the anchor terminal starts audio and video sampling and coding, and the user carries out paid special effect purchasing on the client terminal; in the live video streaming process, the anchor terminal performs real-time face detection and gives reports to a live video streaming server; the client completes special effect interaction with the anchor and gives reports to the live video streaming server; the live video streaming server performs integration processing according to the information received, and sends back the processed data separately to the anchor terminal and the user terminal, and finally performs interaction special effect rendering in players in the anchor terminal and the user terminal. The method and the system of the invention can satisfy diversified interaction needs of the user to realize better user experience.

The invention relates to the tunnel construction machine, in particular to a movable tunnel detection arm, which consists of a roller, a radar bracket, a two-position damping directional node, a controllable telescopic rigid rod, a lead screw, a lead screw driving device, a damping directional node, a transverse rotating driving device, a longitudinal rotating driving device and a radar antenna. The invention has the advantages of simple structure and full-automation or remote control operation so that the radar antenna and a tunnel lining face are kept on the same plane in the transverse direction and the longitudinal direction. In this way, the stable and improved detection quality of the radar antenna on the tunnel lining face can be ensured.

The present invention discloses an optical detection apparatus capable of detecting and classifying parts with a certain shape and size. The optical detection apparatus comprises a frame, a rotation disc arranged on the frame, a material discharge device, an alignment device, an optical detection device and a classification unloading device, wherein the material discharge device, the alignment device, the optical detection device and the classification unloading device are arranged on the periphery of the rotation disc and are sequentially aligned, the rotation disc is connected with an annular detection platform provided for bearing and transmitting a part and manufactured from a transparent material, and the optical detection device comprises at least a set of level detection devices for detecting a front surface and / or a side surface of the part and at least a set of upright detection devices for detecting a bottom surface of the part. The optical detection apparatus has the following characteristics that: a structure is simple, and operation is convenient; with full-direction imaging detection of a part to be detected, the standard part can be detected, and the special-shaped part can be detected according to the size and the surface imaging of the part to be detected; and a detection result is accurate.

The invention provides a remote operated vehicle for subsea pipeline detection. The remote operated vehicle for subsea pipeline detection mainly aims to solve the problem that a traditional ROV provided with a cable is prone to being influenced by an ocean current and subsea complicated environments. The remote operated vehicle for subsea pipeline detection is characterized by comprising a ROV body, a pipeline clamping and walking device and a detecting device. The ROV body is used as a carrier to provide power for a pipeline clamping device and walking devices and mainly comprises a carrier frame, mechanical arms, vertical propellers, horizontal propellers, a buoyancy module, a pressure-proof bin, a pan-tilt and a hydraulic oil tank. The pipeline clamping and walking device is mainly used for clamping a pipeline so as to ensure that inwards-recessed wheels are tightly attached to the pipeline for walking. The dimension of the pipeline clamping device can be adjusted so that the pipeline clamping device can be suitable for pipelines of different diameters. The detecting device completes comprehensive detection of the subsea pipeline through various sensors and multiple kinds of detecting equipment with a supporting ship as an operation platform. By the adoption of the remote operated vehicle for subsea pipeline detection, the problems that the ocean current influences the measurement stability, and the surrounds are damaged when propellers of the traditional ROV operates can be relieved.

The invention relates to the technical field of pipeline defect detection and discloses a pipeline defect and magnetic leakage detection device which comprises a central shaft, a magnetic conduction device and a flux leakage detection device, wherein a left leather cup and a right leather cup are fixedly installed at both ends of the central shaft through a flange disc and a pressure plate, the magnetic conduction device which can conduct magnetism to a pipeline to be detected is installed on the central shaft between the left leather cup and the right leather cup, and a flux leakage detection device which can detect magnetic leakage signals is installed at the outer side of the middle part of the magnetic conduction device. The invention has the advantages of reasonable and compact structure and convenient use, and can efficiently magnetize an oil pipe and enhance the magnetization strength of a pipe wall to be detected, thereby greatly enhancing the detection quality of defects of an oil pipeline and being not easy to generate blockage when passing through a variable diameter part of the pipeline because of favorable deformation by arranging a plate spring.

The invention discloses a defect detection and color sorting method of a photovoltaic solar crystalline silicon cell. The method comprises the following steps: firstly collecting a silicon wafer image, and preprocessing the image to achieve a color calibration aim; and then performing silicon wafer positioning to obtain an interested silicon wafer region; and then performing various detections onthe silicon wafer region, wherein the detections comprise size detection, breakage detection, grid line extraction, grid line detection, main grid detection, stain detection, and color spot detection,thereby detecting a defect region on a product surface; and finally performing classification on different color shades of the silicon wafers. The invention further discloses a defect detection and color sorting system of the photovoltaic solar crystalline silicon cell. The Defect detection and color sorting method of photovoltaic solar crystalline silicon cell and the system thereof are used fordetecting the front appearance defect and the front color grading produced after the photovoltaic solar crystalline silicon cell printing, the non-contact detection is realized, the detection precision is high, and the stability is good.

The invention relates to the air-conditioner production field, in particular to the frequency conversion air conditioning outdoor device testing system in the production process. The frequency conversion air conditioning outdoor device testing system of the invention integrates a variety of outdoor device communication protocols, and a variety of machine models, a variety of testing models, a variety of detection methods testing procedures, and by the machine model setting, it can achieve the detection to a variety of air-conditioning outdoor machines, making the testing system more common; according to the detection mode setting, it can use multiple detection models to detect the tested outdoor machine, making the testing system detection functions better; according to the detection method setting, it can use a variety of detection means to detect, making the testing system more flexible during detection; the frequency conversion air conditioning outdoor device testing system of the invention can also real-time display the return signal of the measured outdoor machine, making detection results more intuitive, and more understanding.

The present invention provides an apparatus and method that can in a simple and cost-effective way read transponders from different systems implementing different communication protocols. The transponder reader comprises an antenna means for sending a first analogue signal to one of said transponders and receiving a second analogue signal from said transponder, said transponder reader further comprises means for analysing, e.g. demodulating, detecting, decode said signal received by said antenna means according to at least two different protocols.

The invention discloses a method for simultaneously detecting the content of four heavy metal elements in tobacco leaves. The method comprises the steps of standard solution preparation, sample pretreatment and sample analysis. According to the invention, a tobacco leaf sample is subjected to pretreatment by adopting a closed microwave digestion technology, so that the method disclosed by the invention has the advantages of short digestion time, accuracy and completeness in digestion and capability of effectively avoiding result deviation and environmental pollution caused by heating and volatilization compared with the conventional digestion methods such as a dry ashing method and an acid digestion method; As, Cd, Hg and Pb can be detected simultaneously, so that the problems on the decomposition of the sample and the interference of residual organic matters are effectively solved, and element detection limit is obviously reduced compared with that of other methods; the method disclosed by the invention has the characteristics of high accuracy and density, low detection limit, short analyzing time, simultaneous detection of a plurality of elements and the like, and can be used for detecting a plurality of samples to be analyzed; and moreover, sample detection quality and efficiency is increased to a larger extent.

The invention relates to the field of intelligent detection robots, in particular to a rail suspension intelligent inspection robot system. The rail suspension intelligent inspection robot system comprises a V groove rail, a walking trolley, a lifting mechanism and a camera shooting rotating pan tilt; a trolley conductor and a synchronous tooth belt are arranged on the two sides of the V groove rail correspondingly, the walking trolley comprises a rotating hanging frame, a walking synchronous wheel, a swing sliding table, an ejector rod reset mechanism, a walking trolley stepping servo motor,a walking trolley upper base plate, a walking trolley lower base plate and a connecting rod, the lifting mechanism is composed of a lifting mechanism stepping servo motor, a first worm, a worm supporting frame, a first worm gear, a screw transmission shaft, a multi-stage screw, a screw nut, a fixed guide rod, and a guide telescopic rod, the camera shooting rotating pan tilt is composed of a pan tilt body, a camera rotating mechanism, and a pan tilt rotating mechanism, and the camera rotating mechanism comprises a camera rotating shaft, a rotating shaft bearing base, a third worm gear, a thirdworm, a worm supporting frame and a camera rotating stepping servo motor.

The invention relates to an ultrasonic automatic detection system of tubing with a variable wall thickness and step, and belongs to the detection technical field. The detection system comprises a track, a computer measurement and control system, a carrier roller and a carrier roller transmission device, wherein traveling wheels are arranged between the track and an automatic detection trolley, a fault detection water tank is arranged under the track, the carrier roller is arranged at the bottom of the detection water tank and connected with a reducer output shaft of the carrier roller transmission device, and the automatic detection trolley crosses on the track. According to the detection system, a water immersion ultrasonic method and a vortex method are adopted to automatically detect the tubing with the variable wall thickness and step, 100% detection is achieved through tubing rotation and linear movement of a probe along with a drive device, sound incident angles needed by detection is reached through drive and adjustment of the probe, and the computer technology is used for controlling a mechanical system, detection processes and data processing and output.

The invention belongs to the technical field of circuit board defect detection, and relates to an accurate circuit board element location and detection method based on image feature. The method comprises the following steps of acquiring a picture of a to-be-detected circuit board, obtaining the acquired image of the to-be-detected circuit board and the feature points of a standard circuit board element template picture through a SURF (Speeded Up Robust Feature) algorithm; setting a rough matching threshold value T, performing feature point rough matching through a nearest neighbor matching method, and then, arranging the feature point pairs from small to large; fitting the ratio of nearest neighbor to next nearest neighbor of each arranged feature point pair through a least square method to obtain a fitted curve; performing accurate matching according to the difference between the fitted curve and the ratio of nearest neighbor to next nearest neighbor; realizing accurate location of the template picture on the acquired image; and detecting the defects of the circuit board through the template picture and the matched subpictures. According to the method, the accurate location of elements can be realized, so that detection on the circuit board elements can be realized.

The invention relates to a capacitance horizontal axis micro-mechanical tuning fork gyroscope which is characterized by including an underlay, anchor points, a detection folding beam, a framework, a drive folding beam, a detection quality block, a drive comb capacitance and a detection comb capacitance; the drive comb capacitance and the detection comb capacitance respectively include a movable electrode and a fixing electrode; the anchor points, the detection folding beam, the framework, the detection quality block, the drive comb capacitance and the detection comb capacitance are symmetrically arranged relative to the X-axis and the Y-axis of the gyroscope; the movable electrode of the drive comb capacitance is fixedly connected with the detection quality block; the detection quality block is connected with the framework by the drive folding beam; the movable electrode of the detection comb capacitance is connected with the framework; the framework is connected with the anchor points by the detection folding beam; the anchor points are fixedly connected with the underlay; the fixing electrode of the drive comb capacitance and the fixing electrode of the detection comb capacitance are fixedly connected with the underlay by the anchor points of each own. The capacitance horizontal axis micro-mechanical tuning fork gyroscope has a simple technical process, can be compatible with a Z-axis tuning fork gyroscope, can be used for realizing a chip triaxial gyroscope and can realize batch production.

The invention discloses a high-precision micro fatigue testing machine which comprises a test bed system, a servo motor control system and a machine visual system, wherein the servo motor control system is connected with a servo motor driver through a multifunctional data acquisition card, while the servo motor driver is connected with a servo motor which is connected with a speed reducer, and the speed reducer is connected with a leading screw in the test bed system, the leading screw is connected with a clamp through a sliding block, the sample in the clamp is connected with a polarizing microscope connecting with a vidicon which is used for monitoring display on the man-machine interface through an image acquisition card, the size of the micro-crack is measured by image processing software. The invention has the advantages of compact structure, simple operation, easy maintenance, high efficiency and energy saving.

The invention relates to a novel device for marking IC crystal, in particular to a full-automatic crystal back marking machine, which uses a mechanical hand to take out crystal from a material feeding box to be sent to a crystal direction checker, a crystal marking platform or the like, to be marked and checked to be taken off by a mechanical hand to be put into a material outputting box. The invention is composed of a front area and a back area, wherein the front area is arranged with an electric controller and a PC, a baffle plate is arranged between the front and back areas, the baffle plate is arranged with a gate entrance, the outer side of the front area is arranged with a material feeding box and a material discharging device, the front area is arranged with a mechanical hand and a crystal direction checker inside, the back area is arranged with a crystal marking platform inside, the marking platform is respectively arranged with a before-marking checker and an after-marking checker above and under.

The invention provides a microseism simulating and monitoring method and belongs to the micro-vibration generation and detection field. The method comprises the steps of pressurizing a fracturing fluid and injecting the fracturing fluid into a model to be detected; cracking the inside of the model to be detected by utilization of the fracturing fluid, wherein microseism signals are generated when cracks are produced; detecting the microseism signals via an accelerometer disposed on the surface of the model to be detected and also a laser doppler vibration meter disposed above the surface of the model to be detected and converting the signals into voltage signals; converting the voltage signals into digital signals; and finally storing, calculating and analyzing the digital signals by a computer to obtain information of the cracks. Through the method, microseism signals can be generated indoors through a micro-fracturing way and can be monitored, and water fracturing of field oil and gas wells and a three-dimensional microseism monitoring process can be simulated.

The invention relates to a method for detecting girder cracks based on image processing, and belongs to the field of malfunction diagnosis technology and signal processing analysis technology. The method comprises the following steps: firstly establishing a feature training sample set of girder cracks, and manufacturing a Ground Truth set of sample images, establishing a girder crack detection classifier based on a structural random forest; then performing stitching on crack images within each time period among acquired images; using the generated girder crack detection classifier to perform rough edge detection for girder cracks on the stitched crack images to obtain a rough edge detection result; finally conducting accurate crack selection and location on the rough edge detection result. According to the invention, a well trained girder crack detection classifier can extract crack information in square girders in an efficient, rapid and accurate manner, eliminates malfunction in an in-time and rapid manner, and increases economic benefits and guarantees personal safety of working staff.

The invention relates to an integrated bridge detection system based on unmanned aerial vehicles and belongs to the technical field of unmanned aerial vehicle bridge detection. The system comprises abridge modeling unmanned aerial vehicle A, a bridge surface data collection unmanned aerial vehicle B and a ground integrated information processing control system. The ground integrated information processing control system comprises a 3D coordinate modeling system, an unmanned aerial vehicle cruising route planning system, a bridge deck defect detection and marking system, and a bridge quality detection report generation system. The unmanned aerial vehicle A is used for photographing a detected bridge and a surrounding terrain environment. The 3D coordinate modeling system is used for establishing 3D coordinate models of a bridge body and the surrounding terrain environment. The unmanned aerial vehicle cruising route planning system is used for planning a cruising route of the unmanned aerial vehicle B. The bridge deck defect detection and marking system is used for detecting defects of corresponding locations of a bridge deck, computing defect level indexes and marking the defect level indexes in the model. According to the system, full automation of a bridge detection process is realized, detection efficiency is greatly improved, and detection quality is improved.

The present invention discloses a method for obtaining abnormal information of message link, wherein the method comprises steps of: adding a first user terminal equipment controller connected to a network management monitoring server, and a piece of first user terminal equipment connected to the first user terminal equipment controller in advance; transmitting testing short messages to the first user terminal equipment regularly via an external short message gateway, a short message server and a base station; judging whether feedback information of the testing short massage is received in a predetermined time; if the feedback information is not received, transmitting a first warning message to the first user terminal equipment by the first user terminal equipment controller, and taking along an external second user terminal equipment identification. The present invention further discloses a system for transmitting the abnormal information of message link and a network management monitoring server. By the application of the present invention, the abnormal information of message link can be obtained in time; the smooth performance of the message link is ensured, so as to improve themaintenance efficiency of communication networks; and the warning information of various systems of a supporting network is not lost when the message link has a fault.

The invention discloses a soft soil area underground continuous wall leakage detecting system, solves such defects as complex construction, difficult measurement and lower accuracy of measured results, and measures specific positions of leakage points more accurately. The transport process of underground ions and the gathering process of the underground ions are observed in real time, so that the specific positions of the leakage points can be obtained more quickly and accurately. The soft soil area underground continuous wall leakage detecting system relates to a underground continuous wall, an observation well, a precipitation well, a soft soil layer, an aluminum electrode, an electrifying device, an electrifying device positive pole, an electrifying device negative pole, an in-pit ground, an out-pit ground, the leakage points, aluminum ions, a sampling device, a slide cover, a bracket, an opening cylinder, a gauze, a separation plate, a round hole, a sensor, a circuit, a circuit fixator, a circuit negative pole and an acquiring system. The underground continuous wall is not limited by thickness and depth. The observation well is used for observing change of an underground water level on the outer side of a foundation pit; the gap and the depth of the observation well are determined according to actual engineering; and the observation well also can serve as a foundation pit outer side precipitation well. The precipitation well is a foundation pit inner side precipitation well, and can be used for observing a underground water level on the inner side of the foundation pit. The soft soil layer is a soil layer suitable for an electroosmosis method.

The present invention relates to a vehicle railway tunnel vault geological radar continuous detection system. The system comprises an engineering vehicle, a workbench, a hydraulic elevating platform, a tunnel section laser detection mechanism, a vault brace rod mechanism and a vault radar antenna detection mechanism. A brace rod main body in the vault brace rod mechanism has two brace rod arms, the two brace rod arms are connected through a brace rod arm regulation pin shaft, and the hydraulic elevating platform and a brace rod driving motor are employed to drive the two brace rod arms to realize two-degree-of-freedom elevating and rotation to allow a radar antenna in the vault radar antenna detection mechanism at the top end of the brace rod main body to be extended into all the gaps between the inner wall of the tunnel vault and a contact net and scan each area of the vault required being detected to allow the detection blank area of the tunnel vault to be reduced to nearly zero. The system performs cooperation motion among mechanisms when detection, the radar antenna can avoid obstacles such as the contact net and the like, the frequent and rapid elevation of the vault brace rod mechanism and the like is reduced, the control is simple, the reliability is high, the continuous detection is realized, and the detection efficiency and the quality are improved.

The invention relates to an automatic focusing method based on image grayscale and a system thereof, comprising the following steps of: using a glass plate with black stripes distributed thereon as a correction reference for focusing, the black stripes being vertical to a target surface; acquiring image information by a lens and a CCD imager, transmitting the image information to a motion control card, calculating the probable object and image positions for desired rate, and adjusting the lens and the CCD imager to the positions to acquire a clear image; scanning at the rate to obtain an image, using the average value of the grayscale of the image as the binary threshold, and calculating the rate of the lens according to the falling edge of the black stripes under the threshold; then adjusting the lens and the CCD imager to acquire a clear image again, and calculating the rate again; and repeating the above steps until acquiring the accurate rate and the clearest image. The method is simple, convenient, fast and accurate.

The invention relates to a special eddy current flaw detector of a cylinder sleeve, comprising an eddy current flaw detector and a slide guide. Probe clamping devices are arranged on the slide guide and can slide along the slide guide. The end clamping positions of each probe clamping device are respectively provided with a probe of the eddy current flaw detector, and the probe corresponds to theposition of a clamped cylinder sleeve wall; a cylinder sleeve clamp used for clamping a cylinder sleeve is provided with a rotating mechanism; the probe clamping device can be regulated and arranged along the direction vertical to the slide guide; the slide guide is at least provided with two sets of probe clamping devices, and assorted cylinder sleeve clamps and rotating mechanisms are arranged;a main control system of the eddy current flaw detector is also provided with a flaw signal warning device. The invention has accurate detection, high efficiency and strong universal property, and thedetection quality is obviously improved.