39 results about "Ultrasonic pachymeter" patented technology

The invention belongs to the technical field of leakage detection, and particularly relates to an existing building basement side wall leakage three-dimensional detection system and method based on an intelligent wall-climbing robot. The detection system comprises an intelligent wall-climbing robot platform, a multi-modal detection sensor group, a data processing and analysis system and a user interaction terminal, wherein the multi-modal detection sensor group is carried on the intelligent wall-climbing robot platform; the intelligent wall-climbing robot platform comprises a moving adsorption system, a moving mechanism, a positioning navigation system, a posture adjusting mechanism and a communication power supply device. The multi-modal detection sensor group comprises an infrared thermal imager, a high-resolution visible light camera, a 3D laser scanner, a wall penetrating radar, a capacitive humidity sensor and an ultrasonic thickness gauge; the data processing and analysis system comprises an edge computing unit and a cloud analysis platform; the edge calculation unit is responsible for real-time data acquisition, preprocessing, sensor control and motion control. According to the existing building basement side wall leakage three-dimensional detection system and method based on the intelligent wall-climbing robot, full-thickness detection coverage from the surface layer to the deep layer, conversion from manual operation to full-automatic wall climbing and crossing from single-point detection to path tracking are achieved.

The invention relates to the technical field of ultrasonic thickness measurement, in particular to a thickness measurement method, an ultrasonic thickness gauge and a storage medium, and the method comprises the steps: sequentially transmitting at least two kinds of ultrasonic waves at a designated position of a to-be-detected object through an ultrasonic generation circuit of the ultrasonic thickness gauge; determining the propagation time of each ultrasonic wave in the to-be-detected object; based on the propagation time of each ultrasonic wave in the to-be-detected object, determining a propagation time difference value corresponding to every two adjacent ultrasonic waves with adjacent signal intensities; determining a target ultrasonic wave according to the size relationship between each propagation time difference and a preset time threshold; and determining the thickness of the to-be-detected object according to the propagation time corresponding to the target ultrasonic wave, thereby improving the accuracy of the measured thickness, and solving the problem that the thickness of the to-be-detected object cannot be measured because the signal intensity of the transmitted ultrasonic wave is too weak. And the problem that the measured thickness is not accurate due to the fact that the signal intensity of the emitted ultrasonic waves is too high is solved.

The utility model belongs to the technical field of thickness detection devices, and provides a conductive layer thickness detection device which comprises a base and a support fixed on the base, and a first ultrasonic thickness gauge probe, a second ultrasonic thickness gauge probe and a third ultrasonic thickness gauge probe are correspondingly and fixedly installed at the bottom, the side wall and the top of the support respectively. A first guide rod is vertically and fixedly mounted on the side of the side wall of the support, and a lifting mechanism is slidably connected to the surface of the first guide rod. One side of the lifting mechanism is slidably connected with a positioning mechanism for placing a workpiece to be detected, so that the positioning mechanism slides in the horizontal direction and is close to or far away from the second ultrasonic thickness gauge probe, and the lifting mechanism drives the positioning mechanism to vertically slide between the first ultrasonic thickness gauge probe and the third ultrasonic thickness gauge probe. Therefore, the thickness of the conducting layer on three different surfaces of the bottom, the side surface and the top of the workpiece can be detected simultaneously, the detection distance can be adjusted, and the operation is flexible and easy.

The invention discloses an auxiliary measuring device of an ultrasonic thickness gauge in a high-temperature environment, and relates to the technical field of ultrasonic thickness measurement, the auxiliary measuring device comprises a water tank, an ultrasonic probe and an infrared temperature sensor, the side surface of the water tank is provided with a pump body, and the outer wall of a metal pipe is fixedly provided with a first tightening bracket; an ultrasonic probe is fixed to the end of the electric telescopic rod, the outer wall of the pipe sleeve assembly is sleeved with a second tightening support, and an infrared temperature sensor is arranged at the end of the second tightening support in a penetrating mode. According to the auxiliary measuring device of the ultrasonic thickness gauge in the high-temperature environment, a coolant is actively sprayed to a high-temperature area to be measured through the coolant nozzle to assist the area to be rapidly cooled, so that the ultrasonic thickness gauge is assisted to be normally used to measure the thickness of a structure under the overall high-temperature condition of the structure; by adopting the device, the local area of the detected steel structure can be precisely cooled, the thickness of the steel structure can be measured in a non-stop state, and the waiting time for cooling of the steel structure in the detection process is shortened.

The utility model provides medicinal borosilicate glass tube wall thickness detection device relates to medicinal borosilicate glass tube production detection technical field, the utility model discloses a ultrasonic thickness gauge, the utility model discloses a storage device is set to, can first hold the outer surface of the limit cover and pull its to one end when not using ultrasonic thickness gauge, drive spring stretch, then can manually wind the wire on the winding rod, after winding, its one end is clamped in the recess of corresponding position, now in loosening the limit cover, make its under the reset action of spring, one side is abutted on one side of ultrasonic thickness gauge, the wire that winds up is covered and protected, avoid damaging, also can according to the length of need using in the use process, the wire is put out corresponding length on the winding rod, avoid the phenomenon of winding, knotting with surrounding object in the use process appears, improve the convenience and detection efficiency of detection operation.

The utility model discloses an ultrasonic thickness measuring device for a pipeline, and relates to the technical field of ultrasonic thickness measurement. The ultrasonic thickness measuring device for the pipeline comprises an ultrasonic thickness gauge, the upper side and the lower side of the ultrasonic thickness gauge are fixedly connected with rubber protective sleeves, the peripheries of the rubber protective sleeves are fixedly connected with hollow rubber protruding blocks, and inner cavities of the hollow rubber protruding blocks are filled with foam buffer blocks. According to the utility model, through the arrangement of the rubber protection sleeves, the peripheries of the two sides of the ultrasonic thickness gauge can be effectively and safely protected in the use process, and the ultrasonic thickness gauge is prevented from being damaged due to falling and collision; effective collision buffer protection can be further formed on the peripheries of the two sides of the ultrasonic thickness gauge, and the influence on the ultrasonic thickness gauge in the falling collision process is greatly reduced.

1. Name of the product in this design: Ultrasonic thickness gauge calibration device. 2. Purpose of this design: For calibrating an ultrasonic thickness gauge. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model discloses a constructional engineering quality supervision wall thickness detection device, which relates to the technical field of engineering quality supervision and comprises an electric control assembly, a control panel is fixedly mounted on the top surface of the electric control assembly, and the electric control assembly is fixedly connected with two straps. One side of the electric control assembly is fixedly connected with a detection mechanism used for detecting the thickness of a wall, so that the electric control assembly is located in front of the chest of a user, the user holds the electric control assembly to control the ultrasonic thickness gauge body to be started through the control panel, and a damping rotary shaft is matched with a connecting base to enable a damping telescopic rod to rotate. The angle of the ultrasonic thickness gauge body is adjusted to be parallel to the wall surface, so that the ultrasonic thickness gauge body is tightly attached to the wall surface, the thickness of the wall is detected through the ultrasonic thickness gauge body, and the position of the ultrasonic thickness gauge body can be controlled through stretching of the damping telescopic rod. The damping rotating shaft is matched, so that the ultrasonic thickness gauge body can detect any position of the wall body, and the problem that an existing detection device is low in applicability is solved.

This utility model discloses an online wall thickness detection device for steel pipe production, relating to the field of steel pipe testing technology. The device includes a U-shaped base, with an upper shell fixedly connected to the top of the U-shaped base. A stepper motor is mounted on the outer surface of the upper shell, and a lead screw is mounted on the output end of the stepper motor. A sliding seat is threaded onto the outer surface of the lead screw. A second cylinder and a third cylinder are fixedly connected to the lower surface of the sliding seat. An I-shaped connecting frame is fixedly connected to the bottom of the second cylinder, and a connecting plate is mounted at the bottom of the I-shaped connecting frame. A cleaning brush is fixedly connected to the lower surface of the connecting plate, and a wiping cloth is mounted on the outer surface of the connecting plate. An ultrasonic thickness gauge is mounted at the bottom of the third cylinder. This utility model can clean the surface of the steel pipe before testing, effectively removing dirt and improving the accuracy of wall thickness detection. It can also automatically detect the wall thickness at multiple locations on the steel pipe.

The application relates to the technical field of thickness detection, in particular to a wall thickness detection method and system for an air conditioner branch pipe, which comprises the following steps: obtaining echo signals received by an ultrasonic thickness gauge at preset positions on the air conditioner branch pipe and wall thickness data of the positions; obtaining a wave peak distribution coefficient of each position by the distribution of wave peaks in the echo signals of the positions; obtaining a wave peak difference coefficient and a comprehensive distribution coefficient of each position; obtaining an irregular coefficient of each position by the discrete degree of skewness of all echo components in the echo signals of the positions, and obtaining an influence factor of each position; dividing all positions into intervals, obtaining a local wall thickness difference coefficient of each position by the difference between the wall thickness data of each position and the wall thickness data of the other positions in the interval where each position is located; obtaining a wall thickness deviation degree of each position; and correcting the wall thickness data of each position. The application aims to improve the precision of wall thickness detection of the branch pipe.

The utility model provides a portable ultrasonic thickness gauge, which comprises a protective base, a protective cover plate is rotatably connected to the inner wall of the side end of a rotating rod, telescopic guide rods are mounted and connected to the inner walls of the side ends of fastening cavities, reset springs are mounted and connected to the inner walls of the side ends of the telescopic guide rods, and the inner walls of the side ends of the telescopic guide rods are connected with the protective cover plate. And the inner wall of the side end of the telescopic guide rod is connected with an extrusion plate, the inner wall of the side end of the fixing rod is rotationally connected with an operation supporting plate, and the inner wall of the top of the protective cover plate is connected with a clamping device plate. According to the portable ultrasonic thickness gauge provided by the utility model, the instrument can be automatically and conveniently limited and clamped according to the size and the placement position of the instrument through the partition extrusion plate arranged in the device, and the risk of instrument damage possibly caused by shaking in the carrying process is effectively reduced. And through the buffer cushion layer arranged on the inner wall, after the workpiece is closed, the internal instrument can be automatically extruded and buffered.

The utility model provides a device for detecting die steel, which relates to the technical field of die steel detection devices, solves the problem that the efficiency is low when the thickness of the die steel is detected at present, and comprises a conveying table and an ultrasonic thickness gauge, a placement box is mounted on the surface of the first mounting frame, an ultrasonic thickness gauge is mounted in the placement box, a first air cylinder is mounted on the surface of the first mounting frame, a first mounting piece is mounted at the output end of the first air cylinder, and a fixing mechanism is mounted on the surface of the first mounting piece. According to the device, through cooperative use of the first mounting frame, the placement box, the first air cylinder, the first mounting piece, the fixing mechanism, the second mounting frame and the coupling agent adding mechanism, the thickness of the die steel can be rapidly detected, and the working efficiency is improved.

The invention provides a pipeline wall thickness reduction trend analysis method based on ultrasonic detection data, which relates to the technical field of pipeline detection and comprises the following steps: detecting a target factory and mine pipeline by using an ultrasonic thickness gauge to obtain wall thickness data; arranging the wall thickness data and removing abnormal data to obtain detection points after the abnormal data is removed; drawing a broken line graph for each detection point by taking the time as a horizontal coordinate and the wall thickness as a vertical coordinate; and determining the wall thickness reduction trend according to the slope change of the broken line graph. The pipeline wall thickness reduction trend is analyzed by drawing the broken line graph, the wall thickness change trend can be visually displayed, the safety state of the pipeline is accurately evaluated, and enterprise technicians can conveniently take maintenance measures in time.

1. Name of the product in this design: Ultrasonic thickness gauge. 2. Purpose of this design: An instrument for measuring thickness. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D rendering 1.

The application discloses an underwater cutting device for offshore wind power steel pipe piles, which comprises a base, a lifting mechanism, a pile cutting mechanism, a stable support mechanism, a real-time monitoring mechanism and a remote control system. The base comprises an upper platform, a lower platform, a gear seat and a bearing seat fixed in the center of the bottom surface of the upper platform in sequence; the lifting mechanism comprises two winches fixed on the top surface of the upper platform; the pile cutting mechanism comprises a cutting platform, a platform rotating mechanism, a plurality of cutting oil cylinders and a plurality of plasma cutting torches; the stable support mechanism comprises four support oil cylinders fixed on the top surface of the lower platform; the real-time monitoring mechanism comprises an ultrasonic thickness gauge and an underwater high-definition camera arranged beside the plasma cutting torch; and the remote control system is respectively connected with the winches, the rotating speed sensors, the servo motors in the pile cutting mechanism, the controllers of the cutting oil cylinders, the ultrasonic thickness gauge and the underwater high-definition camera and the controllers of the support oil cylinders. The application can improve the safety of pile cutting operation.

The application provides a bidirectional wheel electromagnetic ultrasonic thickness gauge, belonging to the technical field of electronic detection equipment, which comprises a shell, a pipeline unevenness measuring mechanism is arranged at the front end of the bottom of the shell, two universal ball wheels are arranged at the rear end of the bottom of the shell, and an electromagnetic ultrasonic probe azimuth compensation mechanism is arranged in the shell; the pipeline unevenness measuring mechanism comprises a distance measuring sensor and a front roller; a vertical limiting mechanism is arranged at the bottom of the shell; the electromagnetic ultrasonic probe azimuth compensation mechanism comprises an electromagnetic ultrasonic probe, a swing mechanism and a height adjusting mechanism, a second through hole matched with the electromagnetic ultrasonic probe is arranged at the bottom of the shell, and the electromagnetic ultrasonic probe extends out of the second through hole; the distance measuring sensor is electrically connected with the swing mechanism and the height adjusting mechanism; the device can adjust the probe in real time according to the bending degree of the pipeline surface, can ensure that the ultrasonic probe is always perpendicular to the pipeline surface and the distance is constant, and realizes accurate measurement.

The invention discloses a continuous casting machine secondary cooling area branch pipeline on-line dismounting and washing anti-blocking system and method, the system comprises shunting switching units, the shunting switching units and secondary cooling branch pipelines are connected in a one-to-one correspondence grouping mode, and the shunting switching units are detachably connected with the secondary cooling branch pipelines through quick mounting structures; the system further comprises a blockage state monitoring unit, and flow, thickness and temperature data collected by the blockage state monitoring unit are transmitted to the central control unit. The blockage state monitoring unit comprises an electromagnetic flowmeter, an ultrasonic thickness gauge and an infrared thermometer; the measurement precision of the electromagnetic flowmeter is + / -1%, the precision of the ultrasonic thickness gauge is larger than or equal to 0.01 mm, and the infrared thermometer can monitor the surface temperature fluctuation of the casting blank and trigger an alarm.

This invention relates to the field of graphene coating testing technology, specifically to a device and method for testing the coating thickness of graphene coatings. The device for testing the coating thickness of graphene coatings includes: a semi-circular frame, comprising two sets of left and right sides that can be joined to form a complete annular structure, with a spiral groove on the inner side of the semi-circular frame; an ultrasonic thickness gauge; a liquid reservoir located at the non-detecting end of the ultrasonic thickness gauge probe, containing a coupling agent; and a probe support assembly located on the outer periphery of the probe, capable of adaptively conforming to the curved surface profile when the probe presses against the pipe. This invention can automatically and precisely spray the coupling agent onto the corresponding detection area before the probe contacts the pipe, achieving targeted and quantitative application of the coupling agent and ensuring consistent acoustic coupling conditions before each measurement.

The invention relates to a steel member form and location tolerance detection device based on BIM model guidance. The steel member form and location tolerance detection device comprises an upper computer, a laser range finder, an angle sensor, a three-axis attitude adjusting rotary table, a three-axis attitude adjusting sliding table support, a high-power laser, an ultrasonic thickness gauge and a laser target ruler. The three-axis attitude adjusting rotary table is installed on the three-axis attitude adjusting sliding table support, and the laser range finder is installed on the three-axis attitude adjusting rotary table. The ultrasonic thickness gauge is located on one side of the steel member, the laser target ruler is fixed to the steel member, and a laser point of the laser range finder irradiates the position, with the scale being x, of the laser target ruler. Compared with the prior art, the position and angle of the laser range finder are adjusted by adopting the three-axis attitude adjusting rotary table and the three-axis attitude adjusting sliding table bracket, so that actual measurement data can accurately correspond to design data in a steel member BIM model one by one; the method has the advantages that actual steel components are measured, whether the sizes of the steel components are qualified or not can be known, and the acceptance efficiency and reliability are greatly improved.

The utility model discloses a pen-type ultrasonic thickness gauge, which belongs to the technical field of thickness detection, and aims to solve the problem that the probe of the existing pen-type electromagnetic ultrasonic thickness gauge is inconvenient to replace, the pen-type ultrasonic thickness gauge comprises a probe (1) and a thickness gauge host (2) which are connected front and back, and the front end of the thickness gauge host (2) is provided with a positioning block (21). Spring positioning pins (22) are arranged on the left side and the right side of the positioning block (21), the probe (1) comprises a containing cavity (11) and a cavity wall (12), positioning through holes (13) are formed in the left side and the right side of the cavity wall (12), the positioning block (21) is inserted into the containing cavity (11) in a matched mode, the spring positioning pins (22) are inserted into the positioning through holes (13) in a matched mode, and the probe (1) and the thickness gauge host (2) can be separated. According to the pen-type ultrasonic thickness gauge, the probe dismounting and mounting mode is changed from a bolt fixing mode to a rapid plugging and unplugging mode through the spring positioning pin, so that the dismounting and mounting efficiency of the probe is improved.

1. Name of the product in this design: Precision Ultrasonic Thickness Gauge (PMT Series). 2. Purpose of this design: To measure the thickness of an object or the thickness of a coating on the surface of an object. 3. The key design feature of this product is its shape. 4. Images or photos that best illustrate the design points: Refer to Figure 1 for the combined state. 5. Other components requiring explanation: In this design, component 1 is the protective shell of the thickness gauge, and component 2 is the thickness gauge.

The utility model discloses a kind of self-correcting ultrasonic thickness gauge, including ultrasonic thickness gauge body, the side of ultrasonic thickness gauge body is provided with probe, the outer surface of the probe is provided with protective shell, the protective shell includes upper shell and lower shell, the upper shell and lower shell are connected by magnetic attraction component, the upside of the upper shell is also provided with thickness scale block, the upper end of the probe is in contact with the lower surface of the thickness scale block. Through the above structure, automatic correction can be realized, work efficiency is improved, the probe is protected from collision and pollution at the same time, and the protective shell is convenient to disassemble and assemble.

The application relates to the technical field of ultrasonic thickness measurement, in particular to a thickness measurement method, an ultrasonic thickness gauge and a storage medium, which comprises the following steps: at a specified position of a to-be-detected object, at least two ultrasonic waves are sequentially emitted by an ultrasonic wave generating circuit of an ultrasonic thickness gauge; the propagation time of each ultrasonic wave in the to-be-detected object is determined; based on the propagation time of each ultrasonic wave in the to-be-detected object, the propagation time difference value corresponding to each adjacent ultrasonic wave pair is determined according to the signal strength of the adjacent two signals; according to the size relationship between each propagation time difference value and a preset time threshold value, a target ultrasonic wave is determined; and according to the propagation time corresponding to the target ultrasonic wave, the thickness of the to-be-detected object is determined, so that the accuracy of the measured thickness is improved, the problem that the thickness of the to-be-detected object cannot be measured due to the too-weak signal strength of the emitted ultrasonic wave is solved, and the problem that the measured thickness is inaccurate due to the too-strong signal strength of the emitted ultrasonic wave is solved.

The utility model discloses a portable ultrasonic thickness measuring device for pipe detection, which structurally comprises an ultrasonic thickness gauge and a probe, the probe is connected to the ultrasonic thickness gauge, the probe is connected with a fixing device, the fixing device is composed of an upper fixing block and a lower fixing block, and the upper fixing block and the lower fixing block are arranged on the ultrasonic thickness gauge. The upper fixing block and the lower fixing block are both provided with arc-shaped grooves, the two arc-shaped grooves are combined to form a circular groove, the fixing device is used for fixing a pipe, the pipe cannot move in the testing process, then the data accuracy is guaranteed, only the rubber sheet is arranged on the lower fixing block and used for increasing the friction force between the rubber sheet and the pipe, and the fixing device is simple in structure and convenient to use. And through the limiting device, the rubber sheet can be better attached to the pipe, and the friction force is further increased.

The utility model relates to underground filling technical field, concretely is a kind of underground filling pipeline improved device, it mainly includes, socket board, is installed in the underground filling pipeline;Socket, is installed in the socket board side away from the underground filling pipeline;Ultrasonic thickness gauge, is installed on the socket, and the ultrasonic thickness gauge is electrically connected with data acquisition terminal.This application is through socket board to bear the impact force of blanking, then through the cooperation of bolt hole and bolt, socket with ultrasonic thickness gauge is fixed to the bending of underground filling pipeline, the setting of ultrasonic thickness gauge can monitor the inner wall thickness of socket board, real-time monitoring the wear thickness of socket board, and wall thickness data is recorded in real time by data terminal, when wall thickness data is lower than preset threshold, replace spare socket board.

The utility model relates to the technical field of storage tank detection, in particular to a storage tank wall thickness detection device which comprises a connecting block, two clamping blocks are arranged on the connecting block, a rotating assembly is installed on the top faces of the clamping blocks, a sliding block is fixedly arranged on one clamping block, a sliding rail is fixedly arranged on the top face of the connecting block, a detection assembly is connected to the sliding rail in a sliding mode, and the detection assembly comprises a moving block. The lower end of the moving block is slidably connected with the outer wall of the sliding rail and the top surface of the connecting block, the upper end of the moving block is slidably connected with a pushing block, the top surface of the pushing block is fixedly provided with a supporting block, the upper end of the supporting block is rotatably connected with a rotating shaft, the rotating shaft is fixedly provided with a rotating block, and the outer wall of one side of the rotating block is provided with an ultrasonic thickness gauge body. The wall thickness of the storage tank is measured by transmitting and receiving ultrasonic signals through the ultrasonic thickness gauge body, shaking and errors caused by handheld operation are avoided, the detection precision is improved, the rotating assembly and the detection assembly meet the detection requirements of the wall thickness of the storage tank at different heights and angles, and the detection efficiency is improved.

The invention discloses an anti-corrosion pipeline suitable for oil and gas storage and transportation, and belongs to the technical field of oil and gas pipeline anticorrosion, the anti-corrosion pipeline comprises a pipeline, the inner wall of the pipeline is coated with an inner anti-corrosion layer, the outer wall of the pipeline is coated with an outer anti-corrosion layer, the pipeline is provided with an electrochemical sensor and an ultrasonic thickness gauge, and the electrochemical sensor and the ultrasonic thickness gauge are both connected with a control system. The control system comprises a data acquisition module, a data processing module, a data transmission module, a display module and an early warning module. According to the anti-corrosion pipeline suitable for oil and gas storage and transportation, the inner anti-corrosion layer and the outer anti-corrosion layer are arranged on the inner wall and the outer wall of the pipeline correspondingly, a physical barrier is constructed, the inner anti-corrosion layer and the outer anti-corrosion layer are ceramic coatings, the maintenance and replacement frequency of the pipeline is reduced, and the maintenance cost can be saved; the electrochemical sensor, the ultrasonic thickness gauge and the control system are arranged, so that the corrosion severity of the pipeline can be observed in real time, corrosion hidden dangers are found in advance and early warning is performed, the safety is improved, and manual inspection is reduced.

The utility model discloses a steel pipe surface coating uniformity regulation and control device, and particularly relates to the technical field of steel pipe production equipment, the steel pipe surface coating uniformity regulation and control device comprises a workbench, a placing plate is arranged below the workbench, a mounting box is arranged on the placing plate, a microprocessor is arranged in the mounting box, and a connecting frame is fixedly welded on the upper surface of the workbench; an electric push rod is mounted at the top end of the connecting frame, the free end of the electric push rod movably penetrates through the top wall of the connecting frame and then is connected with a lifting plate, an ultrasonic thickness gauge is mounted on the lower surface of the lifting plate and electrically connected with a microprocessor in the mounting box, and a smearing head is arranged on the bottom wall of the lifting plate. A connecting pipe is connected to the smearing head, a self-priming pump is arranged on the connecting pipe, the other end of the connecting pipe is communicated with a coupling agent storage box, and the structure can monitor the thickness of a coating on the outer side of the steel pipe in real time and adjust spraying parameters.

This utility model discloses an ultrasonic thickness gauge calibration device, including a housing, a test block mounting base for fixing a standard test block inside the housing, a probe clamp for fixing the ultrasonic thickness gauge probe above the test block mounting base via a drive mechanism, and a camera for acquiring information displayed by the ultrasonic thickness gauge via a camera bracket on the side of the test block mounting base; a control box for controlling the calibration of the ultrasonic thickness gauge is located inside the housing, the control box contains a controller, the output of the camera is connected to the input of the controller, and the output of the controller is connected to the input of the drive mechanism. This utility model achieves replaceability and protection of the standard test block through modular design, and realizes automated calibration guarantee, improving calibration accuracy. The test block mounting base allows for convenient and quick replacement of the standard test block, meeting the needs of batch calibration of ultrasonic thickness gauges.