A trajectory tracking device
A technology of trajectory tracking and mounting holes, which is applied in the direction of measuring devices, material analysis using sound waves/ultrasonic waves/infrasonic waves, and instruments. It can solve the problems of limited positioning range, poor anti-interference ability, and inconvenient use, and achieves a simple and compact structure. , Strong anti-interference ability and high reliability
Inactive Publication Date: 2012-02-08
CHINA AIRPLANT STRENGTH RES INST
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[0004] In order to overcome the shortcomings of the polar coordinate positioning system in the prior art, such as limited positioning range, high surface smoothness requirements, inconvenient use, low positioning response speed and poor anti-interference ability of the ultrasonic positioning system, the present invention proposes a trajectory tracking device
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[0061] This embodiment includes a distance scale 3, a first sensor 1, a second sensor 4 and a probe frame. Both the first sensor 1 and the second sensor 4 are pull-type linear displacement sensors.
[0062] like figure 2 As shown, the first sensor 1 and the second sensor 4 are respectively fixed on the two flanges at both ends of the distance scale 3 through four M5 connecting bolts 2, wherein the output signal line of the first sensor 1 passes through the channel inside the distance scale. The hole is introduced into the displacement sensor of the second sensor 4, and the signal lines of the two sensors are integrated and then connected to the output port 6, so that the signals of the two sensors are output from one port. The stay wires 7 of the first sensor 1 and the second sensor 4 are respectively connected to the two bearing sleeves on the probe frame 5, and the probe frame leans against the reset ring on the distance scale in the non-use state.
[0063] like Figure ...
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A trajectory tracking device, comprising a distance ruler (3), two pull-wire type line displacement sensors and a probe holder (5); the two sensors are respectively fixed at both ends of the distance ruler (3), and the signal lines of the two sensors are integrated Then it is connected to the signal output port (6), so that the signals of the two-way sensors are output from one port. The sensor pull wires (7) of the two sensors are respectively connected to the two bearing rings on the probe frame, thereby forming a triangular structure. In use, set the distance between the two displacement sensors through the distance scale. When the probe frame moves, the length of the pull wire of the two displacement sensors changes in real time. During detection, the distance between each point of the triangle is measured in real time through the two sensors, and the relative position coordinates of the probe are obtained, so as to realize the positioning of the probe. The invention has the advantages of simple and compact structure, convenient maintenance, strong anti-interference ability and high reliability, and is suitable for various complex environments.
Description
technical field [0001] The invention is a probe positioning system of portable ultrasonic C-scan detection equipment, and is a track tracking device. Background technique [0002] Ultrasonic C-scanning is a non-destructive testing method that images the internal structural state of the material on a plane view through ultrasonic scanning. In order to obtain the accurate distribution state of defects in the material structure and the size of the defect, a positioning device must be used. At present, the portable ultrasonic C-scan inspection equipment on the market mainly includes C-SCAN of PAC Company in the United States, ANDSCAN of German KK Company and ISONIC 2001 system produced by Israel Sonotron NDT Company, among which C-SCAN of PAC Company and ANDSCAN of German KK Company The detection system adopts the polar coordinate positioning system, which locates the position of the probe through the change of the measured polar diameter and polar angle during the movement of t...
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IPC IPC(8): G01N29/26
Inventor 宁宁詹绍正吕广斌白玮
Owner CHINA AIRPLANT STRENGTH RES INST