196results about How to "Improve detection quality" patented technology

The invention relates to the technical field of auxiliary devices of detection equipment, in particular to a robot and method for detecting the stability of the wall of a pile hole and poisonous gas in the hole, and the robot can be automatically clamped according to the size of the pile hole and automatically ascends and descends for detection after being clamped. The method for detecting the soil texture of the poison gas in the deep pit comprises the following steps: according to the types of harmful gases possibly existing, oxygen, methane, hydrogen sulfide, carbon monoxide and the like, detecting the soil texture of the poison gas in the deep pit, and detecting the soil texture of the poison gas in the deep pit. A multi-parameter gas detector capable of detecting the gases is selected, so that all operators are properly trained to know how to correctly use the detector and deal with emergency situations; and determining that the sensor works normally and is not damaged or blocked, and placing the gas detector at different heights of the pile hole, generally performing detection once from the bottom to the top at a certain distance so as to obtain comprehensive data.

The invention discloses surface performance detection equipment for new material research and development, and belongs to the technical field of detection equipment, the surface performance detection equipment comprises a base, the base is fixedly connected with a support frame, the top of the support frame is fixedly provided with a reflectivity tester body, and the bottom of a support cylinder is connected with a material bearing turntable through a bearing; a rotating adjusting part is installed in the middle of the material bearing rotary disc, the rotating rod is sleeved with a lifting plate, the rotating rod can drive the lifting plate to move up and down, the lifting plate can drive the clamping plates to conduct clamping and loosening movement through the push rods, and the rotating rod can drive the material bearing rotary disc to rotate through the rotating adjusting part. The device has the technical effects that multiple to-be-detected samples are clamped and fixed at the same time, the new material to-be-detected samples are stably positioned, the multiple fixed samples are continuously detected, the detected samples can be automatically loosened and discharged, and the detection working efficiency of the new material samples is effectively improved.

The invention provides an intelligent visual inspection method on an inductor hot-pressing production line and related equipment, and relates to the field of quality control of automatic production lines. The method comprises the steps that image information of various inductors of different models is obtained firstly, the image information comprises boundary dimensions and surface defect information, and after preprocessing, a quality judgment model is constructed by combining a deep learning algorithm and qualified inductor image information; and after receiving a detection starting instruction of the display end, shooting a to-be-detected inductor by using a plurality of image acquisition devices pre-deployed in a key area of the production line to obtain a to-be-analyzed image, and inputting the to-be-analyzed image into the model to judge the quality of the inductor. And if the detection result is not matched with the quality threshold value of the qualified inductor of the corresponding model, an unqualified prompt message is sent to the display end, so that efficient and accurate detection of the inductor quality is realized.

The present invention discloses a visual inspection device for producing self-adhesive label paper, which relates to the technical field of visual inspection of label paper, and comprises an inspection table and a leveling device, wherein a winding device is arranged on the top of the inspection table, a maintenance frame is fixedly installed on the top of the inspection table, a visual inspection device is fixedly penetrated on the top of the maintenance frame, a driving plate is fixedly installed on the top of the inspection table, a servo motor is fixedly installed on the front side of the driving plate, a placement frame is fixedly installed on the top of the inspection table, a rotating motor is rotatably installed on the rear side of the placement frame, a fill light device is fixedly installed on the output end of the rotating motor, a correction rod moves in a direction close to the label paper to drive the correction frame to move and perform position correction on the label paper to be inspected, and the position correction ensures that the label paper is in a correct and centered position during inspection, thereby improving the accuracy of image capture and further reducing the scrap rate caused by misjudgment.

The invention relates to a protocol fuzz testing method and system based on multi-dimensional feedback information, and the method comprises the steps: carrying out the preprocessing of a target protocol entity program, and carrying out the testing preparation; performing a fuzzy test; the fuzzy testing process comprises a selection field variation stage and a variation field cost probability calculation stage for multi-dimensional feedback information processing; obtaining test result information, and feeding back the result information. The system comprises a test preparation module, a fuzzy test module and a result information feedback module. Multi-dimensional feedback information processing is carried out through the selection field variation stage and the variation field cost probability calculation stage, code space coverage of protocol fuzz testing is remarkably improved, more potential vulnerabilities are revealed, testing efficiency is greatly improved, under limited resources, testing is concentrated on a path which is most likely to cause collapse, and the testing efficiency is greatly improved. Therefore, the detection quality and speed are improved.

The invention discloses a visual detection method and device for process defects of an electronic connector. The method comprises the following steps: acquiring image data of the electronic connector, performing preprocessing operation to obtain the number of pins and the distance between the pins of the electronic connector, establishing a three-dimensional model of the electronic connector, and obtaining the coordinates of the pins of the electronic connector; acquiring pin image data of the electronic connector, processing the pin image data to obtain a pin standard image, and performing centroid coordinate calculation to obtain centroid coordinates of the pin standard image; according to the coordinates of the center of mass and the coordinates of the pins, the pin deviation angle is calculated, and the pin deviation angle of the electronic connector is obtained; the pin deviation angle and the pin number are input into a pin defect evaluation model, pin defect evaluation is carried out, and a pin defect evaluation value is obtained; when it is judged that the pin defect evaluation value is larger than the preset defect threshold value, an early warning signal is generated and sent to a user side. The method can realize accurate detection of the electronic connector.

The invention relates to the technical field of chip defect detection equipment, in particular to chip cleaning detection equipment and a detection method. The equipment comprises a rack, a feeding mechanism, a front high-power detector, a first material taking mechanism, a cleaning mechanism, a transfer table, an HR end face detector, an AR end face detector, a front low-power detector, a second material taking mechanism, a back detector and a discharging mechanism. The front high-power detector, the first material taking mechanism, the front low-power detector and the second material taking mechanism are all erected on the rack; the feeding mechanism, the cleaning mechanism, the transfer table, the back face detector and the discharging mechanism are sequentially arranged on the rack in the transverse direction. The front high-power detector is arranged above the feeding mechanism; the cleaning mechanism, the HR end face detector, the AR end face detector and the back face detector are arranged around the transfer table, and the front face low-power detector is arranged above the transfer table; the first material taking mechanism can move between the feeding mechanism and the transfer table. The second material taking mechanism can move between the transfer table and the discharging mechanism.

The utility model relates to the technical field of solar cell production equipment, in particular to a cell detection device, and aims to solve the problem that the interior of a cell cannot be detected when the back of the cell is polished. The device comprises a shielding assembly, a camera assembly and a light source assembly. The shielding assembly, the camera assembly and the light source assembly are all arranged above the battery piece; the shielding assembly comprises a baffle, the baffle comprises a light shielding plate, and the light shielding plate can move in the conveying direction of the battery pieces and the direction perpendicular to the battery pieces; the light source assembly emits light to irradiate the battery piece, and the camera assembly receives the light on the side, away from the light source assembly, of the shading plate to obtain images. Interference light is reduced by adjusting the position of the baffle, the interior of the battery piece is detected from the upper portion of the battery piece in an infrared light irradiation mode, the device has the advantages of being high in adjusting precision and easy to use, and the problem that detection cannot be achieved due to the fact that light cannot be emitted on the back face is solved.

The invention discloses a detection device and method for network transformer production, and belongs to the field of network transformers. The detection equipment for network transformer production comprises a bottom plate and further comprises a first conveyor and a second conveyor which are fixed to the upper portion of the bottom plate and used for conveying a network transformer, a testing assembly is arranged between the first conveyor and the second conveyor, and a pneumatic carrying assembly is further arranged on the upper portion of the bottom plate. The pneumatic carrying assembly adsorbs the network transformer on the first transmission machine and transmits the network transformer to the position of the testing assembly, and the pneumatic carrying assembly adsorbs the network transformer tested by the testing assembly and transmits the network transformer to the upper portion of the second transmission machine for automatic testing. The detection problem is solved through automation and accurate control, the network transformer is conveyed to the test position through the first conveyor, the pneumatic carrying assembly adsorbs and transfers the network transformer, it is ensured that pins are aligned, the test assembly automatically detects the pins, efficiency and quality are improved, and pin damage is reduced.

The invention belongs to the field of automobile shock absorber bearing detection, and discloses an automobile shock absorber bearing finished product multi-azimuth detection system which comprises a conveyor belt, an industrial personal computer is arranged on one side of the conveyor belt, and an outer diameter surface detection mechanism, an upper end face detection mechanism and a lower end face detection mechanism are sequentially arranged on a support of the conveyor belt. The outer diameter surface detection mechanism is used for detecting the outer diameter surface appearance quality of the automobile shock absorber bearing, the upper end face detection mechanism is used for detecting the upper end face appearance quality of the automobile shock absorber bearing, and the lower end face detection mechanism is used for detecting the lower end face appearance quality of the automobile shock absorber bearing. The system is provided with the outer diameter surface detection mechanism, the upper end surface detection mechanism and the lower end surface detection mechanism, so that the appearance quality of the outer diameter surface, the upper end surface and the lower end surface of the automobile shock absorber bearing can be comprehensively detected. Through multi-directional detection, various defects on the surface of the bearing can be found in time.

The present invention provides a detection method and application of related substances in cationic lipid YK-009, the detection method comprising the following steps: (1) mixing a sample to be tested with a diluent to obtain a test solution; (2) mixing a related substance standard with a diluent to obtain a reference solution; (3) subjecting the test solution and the reference solution to liquid chromatography detection, and calculating the content of the related substances according to the detection results; the mobile phase of the liquid chromatography detection comprises a mobile phase A and a mobile phase B, the mobile phase A is an aqueous solution of acetic acid-triethylamine, and the mobile phase B is an acetonitrile solution of acetic acid-triethylamine. The detection method provided by the present invention can accurately detect a variety of related substances in YK-009 at the same time, has high sensitivity, high accuracy, high reproducibility, good durability, and is convenient for accurate detection and quality control of related substances in YK-009.

The utility model relates to the technical field of elasticity detection equipment, in particular to deformation and elasticity automatic detection equipment applied to a conductive elastic sheet on a workpiece, which comprises a substrate, and a lifting mechanism, a first light source assembly, a second light source assembly, a camera and a workpiece positioning jig are arranged on the substrate. The first light source assembly, the workpiece positioning jig, the second light source assembly and the camera are sequentially arranged from front to back, images obtained after pressing deformation of the conductive elastic pieces are collected through the camera to be analyzed, and when two or more conductive elastic pieces are arranged on a workpiece and all the conductive elastic pieces are pressed down by the dynamometer, the conductive elastic pieces are located on the workpiece. And if the deformation condition of one conductive elastic sheet does not fall into the preset deformation degree range, the conductive elastic sheet is also considered to be unqualified, and compared with the prior art that the deformation degree is judged by adopting the pressing distance of a dynamometer, the detection device can detect at least more than two conductive elastic sheets at the same time more accurately and reliably.

The invention discloses a movable visual inspection mechanism, and relates to the technical field of visual inspection, the movable visual inspection mechanism comprises a support frame, the inner side of the support frame is rotatably connected with a first connecting plate, the bottom of the first connecting plate is movably connected with an arc-shaped frame, and the inner side of the arc-shaped frame is movably connected with a visual inspection camera; a multi-stage telescopic mechanism for a visual inspection camera is arranged between the first connecting plate and the arc-shaped frame, and comprises a first adjusting plate, a second adjusting plate and a third adjusting rod which are arranged between the first connecting plate and the arc-shaped frame; the first adjusting plate, the second adjusting plate and the third adjusting rod achieve vertical translation of the visual detection camera through vertical stretching and retracting of the first adjusting plate, the second adjusting plate and the third adjusting rod, the position of the visual detection camera can be moved and adjusted at multiple angles for detection, it can be ensured that complete image information of a to-be-detected object is captured from multiple visual angles, and therefore the detection precision and accuracy are improved.

The application relates to a windshield and a vehicle, the windshield comprising: an optical sensor mounted in the interior of the vehicle; a laminated glass having an optical window in the field of view of the optical sensor, the laminated glass comprising an outer layer glass, a bonding layer and an inner layer glass arranged in a stack, the inner layer glass being provided with a first through hole; wherein the optical window is located in the first through hole, and the MTF value of the optical window is greater than or equal to 0.3. The windshield can make the MTF value of the optical window of the laminated glass greater than or equal to 0.3, make the optical sensor obtain clearer environmental image data, reduce the probability of causing deviation to the algorithm of the ADAS system of the vehicle, and meet the demand of L3 or above level automatic driving.

The utility model discloses novel pipe wall thickness uniformity detection equipment for a three-way grooved pipe fitting. The novel pipe wall thickness uniformity detection equipment comprises a three-way pipe fitting; a base; the pipe fitting fixing assembly is arranged on one side of the top end of the base, the pipe fitting fixing assembly comprises an electric rotating seat and a clamp assembly for fixing the three-way pipe fitting, and the clamp assembly is installed at the rotating end of the electric rotating seat and used for driving the three-way pipe fitting to rotate; the thickness measuring assembly is located on one side of the pipe fitting fixing assembly and used for measuring the thickness of the three-way pipe fitting, and the thickness measuring assembly comprises a thickness gauge and an installation support. The electric rotating seat capable of driving the three-way pipe fitting to horizontally rotate is designed, after one branch pipe is detected, the three-way pipe fitting can be driven to rotate through the electric rotating seat, other branch pipes which are not detected are moved to the detection position, and therefore the three branch pipes of the three-way pipe fitting can be automatically and continuously detected, manpower is saved, and meanwhile the detection efficiency is improved. And the detection quality and efficiency can be improved.

The utility model is applicable to the technical field of boundary dimension detection, and provides an automatic boundary dimension detection device for an H-shaped column, which comprises a rack, and a transmission assembly, a detection assembly and a limiting assembly are arranged above the rack; the detection assembly comprises an assembly frame arranged above the rack; the transverse lead screw sliding table is arranged on the bottom side of the assembling frame; the longitudinal screw rod sliding table is arranged at the moving end of the transverse screw rod sliding table; the automatic feeding device can adapt to H-shaped columns of different shapes and sizes by arranging the detection assembly, has a wide application range, is matched with the transmission assembly capable of automatically conveying materials, and is high in automation degree, high in automation degree and high in automation degree. The length, the width and the height of the H-shaped column can be accurately measured on a large scale, it is ensured that the size precision of a product meets the requirement, the laser range finder adopts a non-contact measurement method, no physical damage or deformation is generated to the H-shaped column, and the detection efficiency and the product quality can be improved.

The utility model relates to a hand-push type hard spot electromagnetic detection trolley, which belongs to the field of hard spot detection and comprises a detection trolley, a mobile power supply, an upper computer, a measuring circuit and a detection probe, the upper computer is arranged on the detection trolley through a support disc, the mobile power supply and the measuring circuit are arranged on the upper surface of the detection trolley, and the detection probe is arranged at the front end of the detection trolley. One end of the measuring circuit is connected with the detection probe, and the other end is connected with the upper computer; the trolley is simple in structure and convenient and fast to use, online continuous real-time detection can be achieved through electromagnetic nondestructive detection, the detection efficiency can be greatly improved, the workload of workers can be effectively reduced, and the daily hard spot checking and first-aid repair accuracy and the maintenance efficiency are improved.

The application provides a VR detection lens, which comprises, in sequence from an object side to an imaging surface along an optical axis, an aperture, a first lens group with positive refractive power, a second lens group with negative refractive power, and a third lens group with positive refractive power; the lens satisfies the following conditions: 0.8<=|f20 / f|<=1.5, 33<=|f30 / f|<=40, and 4.0<=|f40 / f|<=5.0, wherein f is the focal length of the detection lens, f20 is the focal length of the first lens group, f30 is the focal length of the second lens group, and f40 is the focal length of the third lens group. The application has higher resolution and a larger field of view, can well simulate human eye observation, and realizes batch rapid detection of VR products.

The invention relates to the field of oil pipe leakage detection, and discloses a vertical oil pipe leakage identification method and system based on principal component analysis and a support vector machine, a medium and equipment, and the method comprises the steps: collecting a sound propagation time signal in a vertical oil pipe as a to-be-detected signal; the method comprises the following steps: preprocessing a to-be-detected signal, performing data dimension reduction through principal component analysis to extract corresponding time domain features, and constructing a feature matrix by the extracted time domain features to serve as input of a support vector machine; and inputting feature vectors in the feature matrix into a support vector machine after training optimization, and performing working condition identification on the features by using the support vector machine to determine a leakage position. According to the method, a complex data leakage mode can be identified, and the detection accuracy is improved through continuous iterative optimization of the model.

The utility model discloses a device for detecting the anti-cracking performance of a non-expansive fireproof coating, which belongs to the field of fireproof coating detection and comprises a bottom plate, a fixing frame is fixedly mounted in the middle of the upper end of the bottom plate, and a movable rod is movably inserted in the middle of the interior of the fixing frame. A movable rod is slidably mounted at the upper end in a fixing frame, a plurality of longitudinally-arranged tooth grooves are formed in the right side of the movable rod, a plurality of longitudinally-arranged triangular clamping grooves are formed in the left side of the movable rod, and a lifting control assembly and a limiting frame are mounted at the upper end of the fixing frame; the lifting control assembly can achieve lifting control over the movable rod and the vibration frame, the limiting frame is located on the left side of the movable rod, and a limiting insertion plate is movably inserted into the right side in the limiting frame and clamped to a triangular clamping groove in the left side of the movable rod frame, so that abutting and fixing of the movable rod and the vibration frame are achieved, and then the stability of the vibration frame is improved; and the detection quality of the detection device is improved.

The application provides a kind of eddy current detection method for high-pressure compressor disc drum assembly inner surface weld, comprising: the probe connecting pipe connected with eddy current flaw detection probe is lowered through mechanical arm and passes through the axial hole of high-pressure compressor disc drum assembly and the narrow space between discs, so that probe base section and middle section are in narrow disc space;Through the push rod of direct current motor, the eddy current flaw detection probe is driven to extend, so that the probe end is moved to the inner surface weld area of disc drum assembly for flaw detection detection;Through the rudder engine, the position change of the probe detection end is driven, under the restriction of the narrow disc space environment to the probe body, by changing the position of the probe detection end, the effective detection area is increased, and at the same time, the high-pressure compressor disc drum assembly rotates, to realize full coverage detection to the inner surface weld area.

The invention relates to the technical field of fluorescent penetrant detection, and discloses a high-penetration-efficiency fluorescent penetrant detection line penetration tank which comprises a shell, a driving motor, a spray head assembly, a clamping assembly and a linkage assembly. A guide frame; the guide plate is mounted in the two guide frames in a sliding manner; the mounting plate is fixedly mounted on the guide plate; the fixed column is fixedly mounted at one end of the mounting plate; the sliding cylinder is arranged on the fixed column in a sliding and sleeving manner; the plurality of connecting plates are arranged on the sliding cylinder; the smearing plate is fixedly mounted at one end of the connecting plate; through relative sliding of the sliding cylinder and the fixed column, the system can adapt to samples with different surface shapes and flatness, the spray head assembly always keeps the optimal spraying height, it can be ensured that fluorescent materials are uniformly and sufficiently sprayed, the fluorescence permeation efficiency is improved, a smearing plate can make fluorescent dye uniformly scraped and pressed to the surfaces of the samples, and the fluorescence permeation efficiency is improved. The detection quality can be improved, and the whole detection process is more efficient.

The invention discloses nondestructive detection equipment for a welding seam of a nickel-titanium alloy wire and a stainless steel medical composite guide wire, and relates to the technical field of guide wire welding detection, the nondestructive detection equipment comprises a detection box, the detection box is internally provided with at least one group of detection channels, and the detection box is internally provided with an identification module and a detection module in sequence along the detection channels; the detection module is used for carrying out nondestructive detection on at least one welding part of the composite guide wire; the conveying frame is mounted in the detection channel and drives the to-be-detected composite guide wire to sequentially pass through the identification module and the detection module; the conveying frame comprises two groups of circulating frame bodies which are arranged in parallel, convex tooth parts which are continuously arranged are mounted on the outer side of each circulating frame body, and concave areas are arranged at the connecting parts of the adjacent convex tooth parts. When the composite guide wires are detected, a plurality of composite guide wires can be sequentially conveyed to the lower side of the detection module through the conveying frame, and welding parts of the composite guide wires can be identified and adjusted during conveying, so that the subsequent detection quality can be improved.

The present invention relates to the technical field of cosmetic packaging tube inspection, and in particular to a cosmetic packaging tube appearance defect inspection device, including: an operating table, a feeding station, an inspection station and a discharging station are provided on the operating table, a conveying assembly is provided on the operating table, a bearing seat is provided on the feeding station and the discharging station, the bearing seat is used to carry multiple packaging tubes, and a transfer assembly is provided on the operating table corresponding to the upper side of the bearing seat; a blowing assembly is provided between the feeding station and the inspection station on the operating table; a detection assembly is provided on the inspection station on the operating table to inspect the packaging tube on the conveying assembly; and a suction assembly is provided between the inspection station and the discharging station on the operating table. The present application can select the defective packaging tubes detected, realize a high-precision inspection process, and improve the inspection quality of the packaging tubes.

The utility model discloses a linear type high-temperature thermistor classifier which comprises a rack, a workbench, a central control system and a safety protective cover, the workbench, the central control system and the safety protective cover are arranged on the rack, the safety protective cover is arranged on the workbench, and a translation conveying mechanism is arranged on the workbench. A jig feeding mechanism, a leveling mechanism, a detection mechanism, a material taking mechanism, a jig lifting mechanism and a jig descending mechanism are sequentially arranged in the feeding direction of the translation conveying mechanism. The high-temperature thermistor detection device is convenient and fast to use, and the translation conveying mechanism, the jig feeding mechanism, the leveling mechanism, the detection mechanism, the material taking mechanism, the jig lifting mechanism and the jig descending mechanism are arranged on the rack, so that a jig carrying a to-be-detected high-temperature thermistor enters from one end; automatic feeding, leveling, detection and classified discharging of the high-temperature thermistors and discharging conveying of the jigs are achieved, finally the jigs are conveyed back to the beginning station for placing the high-temperature thermistors again, the feeding speed is increased, the detection efficiency is improved, and classification accuracy is improved.

The invention discloses an electronic parking device comprehensive testing platform, which relates to the technical field of electronic parking device testing, and comprises: a testing platform, a fixture group, and also comprises: a position deviation judgment component and a testing accuracy maintenance component, wherein the position deviation judgment component is located above the testing accuracy maintenance component; through the design of the arc-shaped groove of the 8-shaped groove, when gas is indirectly stored for the testing accuracy maintenance component under the cooperation of the sliding block and the 8-shaped groove, since the stored gas is gradually increasing, its gas pressure is also gradually increasing. In this process, each time the 8-shaped groove and the sliding block involved in gas storage move with the air pushing plate with the connecting rod, the reaction force on the groove wall of the 8-shaped groove will gradually increase, but due to its arc-shaped design, the force can be effectively dispersed, and the point of action of the force can be adjusted in real time at different positions of the groove wall of the 8-shaped groove during the rotation of the rotating disk. The above design can maintain a good performance state during long-term operation.

The invention relates to the technical field of visual detection, and discloses an automatic detection device based on visual sensing, which comprises supporting legs, a visual sensor, a defective product processing mechanism and a visual computer, a transportation mechanism is arranged at the tops of the plurality of supporting legs, and two connecting plates are fixedly connected to the exterior of the transportation mechanism. A feeding mechanism is arranged at the tops of the connecting plates, a dust collection mechanism is arranged at the tops of the connecting plates, correction mechanisms are arranged on the outer sides of the connecting plates, two dehumidification mechanisms are arranged between the two connecting plates, and the visual sensor is connected with a visual computer. The defective product processing mechanism comprises a mechanical arm and a defective product box, and the mechanical arm is connected with the vision computer. Through the correction mechanism, a laser sensor is matched with an electric telescopic rod and a correction roller, the posture of a product can be accurately corrected, it is guaranteed that the product enters a detection area in a standard state, detection errors caused by position posture deviation are reduced, and the detection accuracy is improved.

The utility model relates to the technical field of food detection, in particular to spring roll stuffing foreign matter detection equipment which comprises a conveying frame and an X-ray detector fixedly installed on the conveying frame, and positioning mechanisms are installed at the left end and the right end of the conveying frame and located in front of the X-ray detector. A height limiting mechanism is mounted between the positioning mechanism and the X-ray detector, and a discharging cover is fixedly mounted at the rear end of the X-ray detector; the positioning mechanism comprises first air cylinders fixedly installed at the left end and the right end of the conveying frame, connecting plates are fixedly installed at the driving ends of the two first air cylinders correspondingly, sliding rods are fixedly installed on the opposite sides of the two connecting plates correspondingly, and the front ends and the rear ends of the sliding rods are sleeved with springs correspondingly. Compared with the existing spring roll stuffing foreign matter detection equipment, the spring roll stuffing foreign matter detection equipment disclosed by the utility model has the advantage that the detection quality and the detection efficiency of the spring roll stuffing foreign matter detection equipment can be improved through the design.

The present invention provides a device and method for detecting unqualified performance products of permanent ferrites, wherein the detection device comprises: a first conveying device, used for conveying the permanent ferrites to be detected; an automatic queuing device, arranged at the unloading end of the conveying device, used for arranging the permanent ferrites into a preset posture; a performance testing device, arranged at the discharge port of the automatic queuing device, comprising a magnetizing device and a magnetic flux testing device, the magnetic flux testing device and the magnetizing device are matched and arranged, the magnetizing device is used for weakly magnetizing the permanent ferrites; the magnetic flux testing device is used for synchronously performing a relative magnetic flux test on the permanent ferrites; when it is detected that the relative magnetic flux is within the preset magnetic flux range, it is judged as a qualified product, otherwise it is judged as a unqualified product; the magnetic force of the magnetizing device can be adjusted; a feeding device, arranged at the discharge end of the automatic queuing device, is used for pushing the permanent ferrites onto the performance testing device; the present invention can effectively improve the detection efficiency and detection quality.

The utility model relates to a movable lifting device for a gas collecting pipe of an automobile exhaust flow analyzer, which belongs to the technical field of automobile exhaust pollutant detection auxiliary equipment and comprises a support and a hoop, a holding rod is mounted at the top of the support, a lifting switch is mounted in the holding rod, and the support comprises a support body, a pull rod and universal wheels. The two pull rods are movably inserted into the frame bodies on the two sides, limiting blocks are transversely installed at the bottoms in the pull rods, a plurality of limiting holes are vertically formed in the intersection portions of the pull rods and the frame bodies, protrusions of the limiting blocks can penetrate through the limiting holes and are clamped, the tops of the limiting blocks abut against wedge-shaped blocks, and steel bars are fixedly connected to the tops of the wedge-shaped blocks. The top of the steel bar is connected with the lifting switch, and the hoop is fixedly installed at the bottom of the holding rod. According to the utility model, the height of the clamp is adjusted by adjusting the height of the pull rod, so that the device is suitable for exhaust pipes with different heights, the detection is convenient, the detection efficiency is improved, the workload of workers is reduced, and the detection quality can be improved.