13results about How to "Improve flaw detection efficiency" patented technology

This utility model discloses a steel structure weld flaw detection scanning mechanism, relating to the field of steel structure inspection technology. The weld flaw detection scanning mechanism includes a base and a flaw detector mounted on the base, as well as a lifting assembly, an angle control assembly, a lateral movement assembly, and a moving assembly. This utility model, through the lifting assembly and the probe fixed on the lifting platform, can perform flaw detection on welds at high positions, improving detection efficiency. Simultaneously, the angle control assembly allows for arbitrary control of the probe angle, thus meeting the flaw detection needs of non-linear welds and improving the comprehensiveness and accuracy of flaw detection. The device, through signal feedback from the flaw detector in the lateral movement assembly and in conjunction with a PLC controller, can stop the probe's detection movement in real time when a weld defect is detected, thereby achieving precise positioning of the welding defect and avoiding positional errors caused by human error during handheld inspection.

The utility model discloses a ring flaw detection centering rotating device which comprises a base, a rotating bearing mechanism is arranged on the base, and a centering clamping mechanism is arranged on the rotating bearing mechanism in a sliding mode. A gear box for driving the centering and clamping mechanism to move centripetally to clamp the ring piece is further arranged in the center of the base, and the gear box is connected with a driving motor; a flaw detection adjusting assembly is further arranged on the base, and the flaw detection adjusting assembly and the rotary bearing mechanism are arranged in a staggered mode; the ring piece detection device is simple in structure and convenient to operate, the ring piece is supported through the supporting rollers, the ring piece is driven to rotate through friction force between the supporting rollers and the ring piece, therefore, the circumferential position of the ring piece is adjusted, different positions of the ring piece can be detected, and the detection accuracy is improved through the centering clamping mechanism capable of moving in the radial direction. The centering of the ring piece is realized while the ring piece is clamped, and the device is suitable for flaw detection of the ring pieces with different sizes.

The utility model discloses an ultrasonic flaw detection comparison sample shaft for a hollow axle of a rail transit vehicle, which comprises a shaft body which is sequentially provided with a shaft neck, an unloading groove, a wheel seat, a gear box seat and a shaft body; an inner hole is formed in the axis position of the shaft body in a penetrating mode. The transverse defect, the longitudinal defect and the inner hole circular ring defect on the axle body are not only used for verifying the ultrasonic flaw detection program of the hollow axle, but also can quickly and accurately calibrate the flaw detection sensitivity. Wherein the inner hole circular ring defect can effectively calibrate and compare the inner hole surface defect, and the transverse defect and the longitudinal defect can effectively calibrate and compare the axle surface defect, especially the calibration and comparison of the defect of the arc transition part of the axle. The contrast sample shaft can be suitable for ultrasonic flaw detection of hollow axles of different vehicle types such as standard motor train units and inter-city motor train units, and the flaw detection efficiency and the product quality are improved.

The invention relates to the technical field of steel structure flaw detection, in particular to a nondestructive automatic flaw detection device for steel structure engineering, which comprises an annular electric slide rail, support wheels, a first connecting plate and the like, the whole annular electric sliding rail is formed by combining two semi-rings, and a plurality of supporting wheels are detachably connected to the annular electric sliding rail. A first connecting plate is slidably connected to the annular electric sliding rail. According to the device, a magnetic suspension is sprayed downwards through a spray head, so that the magnetic suspension is sprayed to the lower side area of a flaw detector, then a probe is electrified to generate magnetic force, the lower side area of the flaw detector is magnetized, nondestructive flaw detection operation is achieved, and then an annular electric sliding rail is controlled to drive a first connecting plate to rotate; and then the flaw detector is driven by the first connecting plate to rotate to the next undetected area, and then the steps are repeated until flaw detection of all areas is completed, so that flaw detection dead angles are avoided.

The invention discloses a steel rail welding seam flaw detection scanning device and a flaw detection method thereof. The steel rail welding seam flaw detection scanning device comprises a scanning support, a guide rail sliding block mechanism and a guide rail probe mechanism, wherein the scanning support can be mounted on a steel rail in a falling manner and is automatically positioned on the steel rail or is automatically separated from the steel rail through lifting; the guide rail sliding block mechanism comprises a first guide rail arranged in the length direction of the steel rail, a guide rail sliding block arranged on the first guide rail and a sliding block driving mechanism used for driving the guide rail sliding block to reciprocate along the first guide rail, and a rail surface probe capable of being attached to the rail surface of the steel rail is fixed to the bottom of the guide rail sliding block. The second guide rail is located below the first guide rail and is parallel to the first guide rail, the probe support is arranged on the second guide rail in a sliding mode, a rail side probe is fixed in the probe support, the guide rail sliding block can drive the probe support to reciprocate along the second guide rail, and the guide rail probe mechanism and the scanning support are of a linkage structure. The steel rail welding seam flaw detection scanning device and the flaw detection method based on the same are convenient and efficient to operate.

The application discloses a pipeline internal flaw detection robot, which comprises a shell, a front support rod arranged on the front side of the shell, a rear support rod arranged on the rear side of the shell, a plurality of front supporting legs arranged on the front support rod, a plurality of rear supporting legs arranged on the rear support rod, a driving system arranged in the shell, a front driving mechanism and a rear driving mechanism included in the driving system, the front driving mechanism and the rear driving mechanism being used for driving the front support rod and the rear support rod to move forward and backward respectively, and an ultrasonic detection head arranged on the outer side of the shell. The pipeline internal flaw detection robot can improve the working environment, greatly reduce the labor intensity, greatly reduce the radiation dose, prolong the service life of the equipment and improve the pipeline flaw detection efficiency.

This utility model discloses a non-destructive testing instrument for wind turbine blades, belonging to the technical field of wind turbine blade flaw detectors. Its key technical features include an assembly frame and a base. The assembly frame is threadedly connected to the bottom of the base, and a flaw detection mechanism is threadedly connected to the front side of the assembly frame. An auxiliary mechanism is threadedly connected to the inner wall of the flaw detection mechanism. The flaw detection mechanism includes a mounting ring, a mounting groove, several infrared thermal imagers, several eddy current probes, several ultrasonic probes, a mounting rod, a connecting frame, a motor, and a propeller. By setting up the flaw detection mechanism, non-destructive testing can be performed after the wind turbine blades are installed, avoiding the cumbersome process of disassembling and installing the blades in traditional flaw detection methods. Simultaneously, the flaw detector can be driven by the motor and propeller to fly near the blades and automatically complete the detection, improving flaw detection efficiency and reducing operational difficulty. Multiple detection methods cooperate and cross-verify each other, effectively improving the accuracy of the detection results.

The utility model relates to a one-transmitting and multi-receiving rail bottom welding seam scanning device, which belongs to the technical field of railway welding seam flaw detection, and can complete scanning of the cross section of a rail bottom by respectively installing a transmitting probe and ten receiving probes on two sides of a vertical surface of the rail bottom and moving the transmitting probe. The ten receiving probes are installed in the shell through springs, magnets are designed at the two ends of the shell to be attracted and fixed to a steel rail, and it is guaranteed that the ten receiving probes are tightly attached to the wall face of the steel rail through the springs. According to the utility model, low flaw detection efficiency and missed detection phenomena caused by manual handheld double probes are effectively avoided, the flaw detection efficiency is high, the influence of human factors is small, the missed detection rate is low, and the problems in the prior art are solved.

The utility model relates to the technical field of metal flaw detection, and discloses an insert air hole flaw detection tool which comprises an object placing platform of flaw detection equipment, an X-ray emitter is arranged on the right side of the object placing platform, an imager is arranged on the left side of the object placing platform, and an insert placing tool is arranged on the object placing platform; the insert placing tool comprises a base, a plurality of vertically arranged sleeves are fixed on the base, and each sleeve is sleeved with a plurality of stacked inserts. An existing flatly-laid insert placing mode is replaced with a vertical insert stacking mode, the insert placing number of one-time flaw detection can be effectively increased, and therefore the insert flaw detection efficiency is effectively improved.

The present invention discloses a rail head side flaw detection landing gear for weld seams of rail welding joints of welded rail bases, comprising a D mounting bracket, a D cylinder with a piston rod facing downwards arranged on the D mounting bracket, a D movable bracket drivingly connected to the piston rod of the D cylinder, and three groups of D detection structures arranged on the D movable brackets, each group of D detection structures comprising two D probe mounting brackets located on both sides of the rail and arranged symmetrically, and the three groups of D probe mounting brackets with different heights in the D detection structures. The beneficial effects of the present invention are as follows: the present scheme can detect flaws on the rail head of the rail, the use of a mechanical structure can ensure that the relative position of the probe and the rail head remains stable, which is conducive to improving the efficiency and accuracy of flaw detection, and the use of three groups of D detection structures to detect flaws on the rail head in three layers is conducive to improving the efficiency of flaw detection, and the probes are repeatedly covered to avoid missed detection.

The utility model relates to the technical field of photovoltaic modules, and discloses a photovoltaic module infrared flaw detection platform which comprises a working table, the working table is fixedly connected with a mounting frame, the mounting frame is fixedly connected with driving motors, the output ends of the driving motors are fixedly connected with driving shafts, the number of the driving shafts is two, and the driving shafts are arranged on the mounting frame. One set of driving shafts is fixedly connected with a first belt wheel, the first belt wheel is connected with a second belt wheel through a belt, the second belt wheel is fixedly connected with a first gear, the second belt wheel is rotationally connected with the workbench, the first gear is meshed with a second gear, and the other set of driving shafts is fixedly connected with the second gear. The driving shaft is fixedly connected with a first connecting rod. According to the utility model, the two groups of clamping blocks are driven by the driving motor to approach each other, so that the rubber blocks on the clamping blocks are tightly attached to the photovoltaic panel, the shaking or dislocation of the photovoltaic panel in the flaw detection process is effectively avoided, the accuracy of the flaw detection result is ensured, and meanwhile, the flaw detection efficiency is also improved.

A large bearing roller flaw detection machine comprises a feeding assembly used for feeding rollers. The feeding cleaning assembly is used for cleaning before roller detection; the magnetization flaw detection assembly is composed of a magnetization mechanism, a magnetic suspension spraying mechanism, a photographing detection mechanism and a demagnetization device, the magnetization mechanism is used for magnetizing the roller, the magnetic suspension spraying mechanism is used for spraying magnetic suspension to the circumferential surface and the end surface of the roller, and the photographing detection mechanism is used for photographing detection of the circumferential surface, the chamfering surface and the end surface of the roller; the demagnetizing device is used for demagnetizing the roller; the discharging and cleaning assembly is used for cleaning the rollers after the rollers are detected; the discharging assembly is used for discharging the rollers; the device further comprises a carrying manipulator, and the carrying manipulator is erected above the feeding cleaning assembly, the magnetization flaw detection assembly and the discharging cleaning assembly and used for carrying the rollers among the workstations. The scheme can greatly improve the flaw detection efficiency and flaw detection accuracy of the bearing roller, and is suitable for popularization and application.