Automatic scanning device for bolt phased array ultrasonic detection

Abstract

The utility model discloses an automatic scanning device for bolt phased array ultrasonic detection, which comprises a moving device, a connecting device, a probe device and an encoder device, the moving device comprises a driving wheel, a driving motor, a battery and a control switch, and the battery provides a power source for the driving motor; the connecting device comprises a fixed connecting rod, a sleeve, a fixed bearing, a fixed base and a connecting frame, the fixed base is sleeved with the sleeve through the fixed bearing, the fixed connecting rod and the connecting frame are connected to the two sides of the sleeve respectively, the connecting device is connected with the moving device through the fixed connecting rod and connected with the probe device through the connecting frame, and the encoder device is connected with the probe device; the moving device, the connecting device, the probe device and the encoder device are assembled and then connected with the host, and collected detection data are stored in the host A through a probe line and a data transmission line. The device is reasonable in design and compact in layout, facilitates on-site detection, improves the detection efficiency, reduces the interference of human factors, and guarantees the accuracy of detection data.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of for bolt phased array ultrasonic detection automatic scanning device, belong to nondestructive testing technical field. BACKGROUND

[0002] At present, bolts are widely used in power, petrochemical and other industrial fields, and are important fastening components on vessels, pipelines and other equipment, mainly playing the role of connection, positioning and sealing. The quality of the bolts will directly affect the operation and safety of use of the main equipment. During use, bolts are prone to breakage or failure due to the complex load and working conditions they bear. Bolt components have always been the focus of inspection and monitoring. With the development of nondestructive testing technology, the application of advanced and cutting-edge phased array ultrasonic testing technology in various industries in China has also gradually matured. Applying this technology to bolt testing can achieve a multiplier effect. Phased array ultrasonic testing uses electronic methods to control beam focusing and deflection, enabling multiple view imaging of defects. The detection results are intuitive and facilitate defect identification and determination. However, current bolt phased array testing only involves moving the probe in the circumferential direction for detection and scanning, without recording the scanning results, which adversely affects the evaluation and record tracing of phased array testing results, and the detection data is incomplete, lacking the necessary data support, which affects the application and implementation of the technology. SUMMARY

[0003] The utility model solves the technical problems existing in the prior art that the detection results cannot be recorded, the detection data cannot be saved, the detection efficiency is slow, and human factors interfere greatly during bolt phased array testing. It provides a bolt phased array testing automatic scanning device that meets the needs of on-site bolt phased array testing.

[0004] To solve this technical problem, the utility model provides a kind of for bolt phased array ultrasonic detection automatic scanning device, including mobile device, connecting device, probe device and encoder device, the mobile device includes driving wheel, drive motor, battery and control switch, and the battery provides power source for drive motor;The connecting device includes fixed connecting rod, sleeve, fixed bearing, fixed base and connecting frame, the sleeve is sleeved on the fixed base by fixed bearing, and the fixed connecting rod and the connecting frame are connected on the two sides of sleeve respectively, the connecting device is connected with mobile device by fixed connecting rod and is connected with probe device by connecting frame, and the encoder device is connected with probe device;The mobile device, connecting device, probe device and encoder device are connected with host computer after being assembled, and the mobile device provides power, the connecting device drives probe device and encoder device to realize the movement detection on the end face of bolt, and the detection data collected is stored in host computer A through probe line and data transmission line, which facilitates subsequent defect data evaluation and record tracing, and completes the phased array detection of entire bolt.

[0005] The driving wheel is provided with four, and the driving motor controls its walking, the battery provides power source for the driving motor, and the control switch controls the start and stop of the driving motor; the driving motor is operated by pressing the control switch, and the driving wheel is driven to move.

[0006] The connecting device further comprises a rolling screw, a moving screw and a moving connecting rod, the other end of the connecting frame is designed as a hollow structure, the rolling screw and the moving screw are arranged in the middle of the hollow structure, the left and right ends of the rolling screw and the moving screw are connected and fixed with the connecting frame through bearings and are engaged through threads, and the moving screw is connected and fixed with the probe device through the moving connecting rod; after the rolling screw and the moving screw are engaged, the moving screw is driven to move left and right by manually rolling the rolling screw in the connecting frame, and the left and right distance of the probe device can be adjusted according to the size of the bolt end face, so as to adapt to the detection of bolts of different specifications and sizes.

[0007] The fixed base is a base suction disc with magnetism, which can be firmly adsorbed on the end face of the bolt to prevent the fixed base from sliding or moving, and ensure the stability of the detection process and the accuracy of the detection data.

[0008] The probe device comprises a probe line, a phased array probe, a probe fixing frame and a probe fixing screw, the probe fixing frame is a " " type structure, the phased array probe is placed in the probe fixing frame, one end of the phased array probe is connected with the host through the probe line, and the other end is fixed in the probe fixing frame through the probe fixing screw; the phased array probe records the detection process, and the defect signals and position trajectories detected are stored in the host A through the probe line and the data transmission line, which is convenient for subsequent tracing and evaluation.

[0009] The probe fixing frame is provided with a moving connecting rod hole and an encoder connecting hole, the moving connecting rod is inserted into the moving connecting rod hole through a bearing and connected with the probe fixing frame through the bearing, and the encoder device is fixed on the probe fixing frame through the encoder connecting hole.

[0010] The encoder device comprises a locking screw, a fixed frame, a walking wheel, an encoder fixing screw, a displacement processor, a data transmission line, a movable support rod and a movable pin, and the encoder device is fixed in the probe fixing frame through the locking screw; the movable pin connects the fixed frame and the movable support rod, and the walking wheel is used for walking on the bolt end face; the walking wheel, the movable support rod and the displacement processor are fixedly connected through the encoder fixing screw, and the displacement processor is used for processing the displacement trajectory data recorded by the walking wheel; after data acquisition and processing, the data is transmitted to the host A through the data transmission line for saving, which is convenient for subsequent data defect evaluation and detection result tracing.

[0011] The fixed base is fixedly attached to the middle of the bolt to be tested. The front and rear distances of the moving screw and the moving connecting rod are adjusted so that the probe device and the encoder device are in a suitable testing position. The test data is transmitted to the host for storage through the probe line. The probe device drives the walking wheel in the encoder device to roll. The displacement processor collects and processes the walking data and transmits it to the host for storage through the data transmission line. The host simultaneously saves the collected displacement data and test data.

[0012] Beneficial Effects: This utility model device is rationally designed and compactly laid out. The phased array probe is fixed by a probe device, and the encoder device is connected to the probe device. The drive device, through a connecting device, drives the probe device to move circumferentially, completing the acquisition and recording of phased array detection data. The combination of these structural components facilitates on-site bolt phased array testing. By acquiring trajectory data through the encoder, it solves the problems of untraceable displacement trajectories and unsaveable data, ensuring on-site testing quality, improving testing efficiency, and contributing to the improvement of engineering installation quality. The drive device on this utility model device can be controlled automatically by a control switch, improving testing efficiency, making testing more convenient and efficient, reducing manual scanning errors, and providing a convenient, efficient, and more accurate testing fixture for bolt phased array testing. This utility model integrates the moving device, drive device, probe device, and encoder device into a single structure. The movement of the moving device drives the entire testing device to move, completing automatic scanning and recording. This device can save displacement trajectory records and testing data, providing good traceability of the testing records. Automatic scanning improves the efficiency of testing implementation, reduces human interference, and ensures the accuracy of the testing data. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the structure of the mobile device of this utility model;

[0015] Figure 3 This is a schematic diagram of the connecting device of this utility model;

[0016] Figure 4 This is a schematic diagram of the probe device of this utility model;

[0017] Figure 5 This is a schematic diagram of the encoder device of this utility model;

[0018] Figure 6 This is a left view of the structure of the device of this utility model;

[0019] Figure 7 This is a right view of the structure of the device of this utility model;

[0020] Figure 8 It is the structure front view of the device of the utility model;

[0021] Figure 9 It is the structure back view of the device of the utility model;

[0022] Figure 10 It is the structure top view of the device of the utility model;

[0023] Figure 11 It is the structure bottom view of the device of the utility model.

[0024] In the drawing: A, main machine;1, mobile device;2, connecting device;3, probe device;4, encoder device;11, drive wheel;12, drive motor;13, battery;14, control switch;21, fixed connecting rod;22, sleeve;23, fixed bearing;24, fixed base;25, connecting frame;26, rolling screw;27, mobile screw;28, mobile connecting rod;31, probe line;32, phased array probe;33, probe fixing frame;34, mobile connecting rod hole;35, probe fixing screw;36, encoder connecting hole;41, locking screw;42, fixed frame;43, walking wheel;44, encoder fixing screw;45, displacement processor;46, data transmission line;47, movable support;48, movable pin. DETAILED DESCRIPTION

[0025] The utility model will be described in detail below combining with the drawings and examples.

[0026] As Figures 1-11 Indicated, the utility model provides a kind of for bolt phased array ultrasonic detection automatic scanning device, including mobile device 1, connecting device 2, probe device 3 and encoder device 4, the mobile device 1 includes drive wheel 11, drive motor 12, battery 13 and control switch 14, the battery 13 is the power source for drive motor 12;The connecting device 2 includes fixed connecting rod 21, sleeve 22, fixed bearing 23, fixed base 24 and connecting frame 25, the sleeve 22 is sleeved on fixed base 24 by fixed bearing 23, and fixed connecting rod 21 and connecting frame 25 are connected respectively on the both sides of sleeve 22, and connecting device 2 is connected mobile device 1 by fixed connecting rod 21, is connected probe device 3 by connecting frame 25, and encoder device 4 is connected with probe device 3;The mobile device 1, connecting device 2, probe device 3 and encoder device 4 four parts are assembled and are connected with main machine A, and mobile device 1 provides power, and connecting device 2 drives probe device 3 and encoder device 4 to realize the mobile detection of bolt end surface, and the detection data of acquisition is stored into main machine A by probe line 31 and data transmission line 46, to facilitate subsequent defect data assessment and record trace, complete the phased array detection of entire bolt.

[0027] The driving wheel 11 is provided with four, the driving motor 12 controls its walking, the battery 13 provides power source for the driving motor 12, and the control switch 14 controls the start and stop of the driving motor 12; press the control switch 14, the driving motor 12 operates, drives the driving wheel 11 to move.

[0028] The connecting device 2 further comprises a rolling screw 26, a moving screw 27 and a moving connecting rod 28, the other end of the connecting frame 25 is designed as a hollow structure, the rolling screw 26 and the moving screw 27 are arranged in the middle of the hollow structure, the left and right ends of the rolling screw 26 and the moving screw 27 are connected and fixed with the connecting frame 25 through bearings and engaged through threads, and the right end of the moving screw 27 is connected and fixed with the probe device 3 through the moving connecting rod 28; after the rolling screw 26 and the moving screw 27 are engaged, the moving screw 27 is driven to move left and right by manually rolling the rolling screw 26 in the connecting frame, and the left and right distances of the probe device 3 can be adjusted according to the size of the bolt end face to adapt to the detection of bolts of different specifications and sizes.

[0029] The fixed base 24 is a base suction disc with magnetism, which can be firmly adsorbed on the end face of the bolt to prevent the fixed base 24 from sliding or moving, and ensure the stability of the detection process and the accuracy of the detection data.

[0030] The probe device 3 comprises a probe wire 31, a phased array probe 32, a probe fixing frame 33 and a probe fixing screw 35, the probe fixing frame 33 is a " " type structure, the phased array probe 32 is placed in the probe fixing frame 33 and is fastened through the probe fixing screw 35 arranged on both sides of the probe fixing frame 33 to prevent the phased array probe 32 from sliding; one end of the phased array probe 32 is connected with the host A through the probe wire 31, and the other end is fixed in the probe fixing frame 33 through the probe fixing screw 35; the phased array probe 32 records the detection process, and the defect signals and position trajectories detected are stored into the host A through the probe wire 31 and a data transmission line 46 respectively, which is convenient for subsequent tracing and evaluation.

[0031] The probe fixing frame 33 is provided with a moving connecting rod hole 34 and an encoder connecting hole 36, the moving connecting rod 28 is inserted into the moving connecting rod hole 34 through a bearing and connected with the probe fixing frame 33 through a bearing, and the encoder device 4 is fixed on the probe fixing frame 33 through the encoder connecting hole 36.

[0032] The encoder device 4 comprises locking screws 41, a fixed frame 42, walking wheels 43, encoder fixing screws 44, displacement processors 45, data transmission lines 46, movable supporting rods 47 and movable pins 48, the encoder device 4 is fixed in the probe fixed frame 33 through the locking screws 41, the fixed frame 42 serves as a supporting frame and plays a connecting role; the movable pins 48 connect the fixed frame 42 and the movable supporting rods 47, the walking wheels 43 are used for walking on the bolt end face and recording the displacement, the walking wheels 43, the movable supporting rods 47 and the displacement processors 45 are fixedly connected through the encoder fixing screws 44, the left end of the data transmission line 46 is connected with the displacement processor 45, and the right end of the data transmission line 46 is connected with the host computer A; the displacement processor 45 is used for processing the displacement track data recorded by the walking wheels 43, the data acquisition and processing are transmitted to the host computer A for storage through the data transmission line 46, and the subsequent data defect evaluation and detection result tracing are facilitated.

[0033] The fixed base 24 is fixedly adsorbed in the middle of the bolt to be detected, the front and back distance of the moving screw rod 27 and the moving connecting rod 28 is adjusted, the probe device 3 and the encoder device 4 are in a suitable detection position, the detection data is transmitted to the host computer A for storage through the probe line 31, the probe device 3 drives the walking wheels 43 in the encoder device 4 to roll, the displacement processor 45 collects and processes the data of walking and transmits the data to the host computer A for storage through the data transmission line 46, and the host computer A simultaneously stores the recorded displacement data and the detection data.

[0034] The process of detecting by using the utility model is as follows:

[0035] Before detection, the fixed base 24 is fixed and adsorbed in the middle of the bolt to be detected, the sleeve 22 of the connecting device 2 is sleeved on the fixed base 24 through the fixed bearing 23, the fixed connecting rod 21 is connected and fixed with the moving device 1, the rolling screw rod 26 and the moving screw rod 27 are connected with the connecting frame 25 through bearings respectively, after the rolling screw rod 26 and the moving screw rod 27 are engaged through threads, the moving connecting rod 28 is inserted on the probe fixing frame 33 through a bearing, the phased array probe 32 is fixed on the probe fixing frame 33 through the probe fixing screw 35, one end of the probe line 31 is connected with the host computer A, the encoder device 4 is fixed on the probe fixing frame 33, one end of the data transmission line 46 is connected with the host computer A and the other end is connected with the displacement processor 45; when detection starts, the rolling screw rod 26 is manually rotated, the front and back distance of the moving screw rod 27 and the moving connecting rod 28 is adjusted, the probe device 3 and the encoder device 4 are in a suitable detection position, the phased array probe 32 is placed in the probe fixing frame 33 and is fixed by the probe fixing screw 35, the probe line 31 and the data transmission line 46 are connected with the host computer A respectively, the battery 13 is placed in the driving motor 12, the control switch 14 is turned on, the driving wheel 11 is driven, the connecting frame 25 in the connecting device 2 is driven to rotate as a whole through the fixed connecting rod 21, the connecting device 2 rotates around the fixed bearing 23 as the center of the fixed base 24, the moving screw rod 27 and the moving connecting rod 28 drive the probe device 3 to move as a whole, the phased array probe 32 moves and detects on the bolt end face, the detection data is transmitted to the host computer A through the probe line 31 and is saved, the probe device 3 drives the walking wheel 43 in the encoder device 4 to roll, the displacement processor 45 collects and processes the walking data and transmits the data to the host computer A through the data transmission line 46, the host computer A saves and records the collected displacement data and detection data, after the moving device 1 moves along the circumference for one circle, the control switch 14 is turned off, the detection is completed, and the whole detection process is completed.

[0036] The utility model discloses device design is reasonable, the layout is compact, through probe device fixed phased array probe, encoder device is connected with probe device, and driving device drives probe device to carry out the circumferential motion through connecting device, and the collection record of phased array detection data is completed. The utility model discloses device through the combination of each structure device, be favorable to the implementation of on -the -spot bolt phased array detection, through the encoder collection track walking data, can solve the displacement track and can not trace back, the data problem of can not save, guarantee on -the -spot detection quality, improve the detection efficiency, help the improvement of engineering installation quality. The driving device on the utility model discloses device can control its automatic movement through the control switch, can improve the detection efficiency, make the detection work more convenient and efficient, reduce manual scanning error, provide bolt phased array detection with convenient operation, convenient and efficient and more accurate detection precision detection tool.

[0037] The above-mentioned embodiments of the utility model, just illustrate, not only, all in the utility model range or in the range of equivalent utility model's change are surrounded by the utility model.

Claims

1. An automatic scanning device for phased array ultrasonic testing of bolts, characterized in that: The device includes a moving device (1), a connecting device (2), a probe device (3), and an encoder device (4). The moving device (1) includes a drive wheel (11), a drive motor (12), a battery (13), and a control switch (14). The battery (13) provides a power source for the drive motor (12). The connecting device (2) includes a fixed connecting rod (21), a sleeve (22), a fixed bearing (23), a fixed base (24), and a connecting frame (25). The sleeve (22) is fitted onto the fixed base (24) through the fixed bearing (23). The fixed connecting rod (21) and the connecting frame (25) are respectively connected to both sides of the sleeve (22). The moving device (1) is connected by a fixed connecting rod (21), the probe device (3) is connected by a connecting frame (25), and the encoder device (4) is connected to the probe device (3). The four parts of the moving device (1), connecting device (2), probe device (3) and encoder device (4) are assembled and connected to the host (A). The moving device (1) provides power, and the connecting device (2) drives the probe device (3) and encoder device (4) to realize the moving detection on the bolt end face. The collected detection data is stored in the host (A) through the probe line (31) and data transmission line (46) to facilitate the evaluation and recording of subsequent defect data and complete the phased array detection of the entire bolt.

2. The automatic scanning device for phased array ultrasonic testing of bolts according to claim 1, characterized in that: The drive wheels (11) are provided in four parts and are controlled by the drive motor (12). The battery (13) provides power to the drive motor (12). The control switch (14) controls the start and stop of the drive motor (12). When the control switch (14) is pressed, the drive motor (12) runs and drives the drive wheels (11) to move.

3. The automatic scanning device for phased array ultrasonic testing of bolts according to claim 1, characterized in that: The connecting device (2) also includes a rolling screw (26), a moving screw (27), and a moving connecting rod (28). The other end of the connecting frame (25) is designed as a hollow structure. The rolling screw (26) and the moving screw (27) are set in the middle of the hollow structure. The left and right ends of the rolling screw (26) and the moving screw (27) are connected and fixed to the connecting frame (25) through bearings and are engaged by threaded teeth. The moving screw (27) is connected and fixed to the probe device (3) through the moving connecting rod (28). After the rolling screw (26) and the moving screw (27) are engaged, the moving screw (27) is moved left and right by manually rolling the rolling screw (26) in the connecting frame. The left and right distance of the probe device (3) can be adjusted according to the size of the bolt end face to be suitable for the detection of bolts of different specifications and sizes.

4. The automatic scanning device for phased array ultrasonic testing of bolts according to claim 1, characterized in that: The fixed base (24) is a magnetic base suction cup that can be firmly attached to the end face of the bolt to prevent the fixed base (24) from sliding or moving, thus ensuring the stability of the testing process and the accuracy of the testing data.

5. The automatic scanning device for phased array ultrasonic testing of bolts according to claim 1, characterized in that: The probe device (3) includes a probe wire (31), a phased array probe (32), a probe fixing frame (33) and a probe fixing screw (35). The probe fixing frame (33) is of a "C" - shaped structure. The phased array probe (32) is placed inside the probe fixing frame (33). One end of the phased array probe (32) is connected to the main unit (A) through the probe wire (31), and the other end is fixed inside the probe fixing frame (33) through the probe fixing screw (35). The phased array probe (32) records the detection process. The detected defect signals and position trajectories are stored in the main unit (A) through the probe wire (31) and the data transmission line (46) respectively, which is convenient for subsequent traceability and evaluation.

6. The automatic scanning device for phased array ultrasonic testing of bolts according to claim 5, characterized in that: The probe fixing frame (33) is provided with a moving link hole (34) and an encoder connection hole (36). The moving link (28) is inserted into the moving link hole (34) through a bearing and is connected to the probe fixing frame (33) through the bearing. The encoder device (4) is fixed on the probe fixing frame (33) through the encoder connection hole (36).

7. The automatic scanning device for phased array ultrasonic testing of bolts according to claim 1, characterized in that: The encoder device (4) includes a locking screw (41), a fixing frame (42), a traveling wheel (43), an encoder fixing screw (44), a displacement processor (45), a data transmission line (46), a movable support rod (47) and a movable pin (48). The encoder device (4) is fixed inside the probe fixing frame (33) through the locking screw (41). The movable pin (48) connects the fixing frame (42) and the movable support rod (47). The traveling wheel (43) is used to travel on the bolt end face. The traveling wheel (43), the movable support rod (47) and the displacement processor (45) are fixedly connected through the encoder fixing screw (44). The displacement processor (45) is used to process the displacement trajectory data recorded by the traveling wheel. After data acquisition and processing, it is transmitted into the main unit (A) through the data transmission line (46) for storage, which is convenient for subsequent data defect assessment and detection result traceability.

8. The automatic scanning device for phased array ultrasonic testing of bolts according to any one of claims 1-7, characterized in that: The fixed base (24) is fixedly adsorbed in the middle of the bolt to be detected. Adjust the front - and - back distance of the adjusting moving screw (27) and the moving link (28) to make the probe device (3) and the encoder device (4) in a suitable detection position. The detection data is transmitted to the main unit (A) through the probe wire (31) for storage. The probe device (3) drives the traveling wheel (43) in the encoder device (4) to roll. The displacement processor (45) collects and processes the traveling data and transmits it to the main unit (A) through the data transmission line (46) for storage. The main unit (A) simultaneously stores the collected displacement data and detection data.

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