Thermal-state steel tube thickness online detection device
A technology for detection devices and steel pipes, applied in measuring devices, optical devices, instruments, etc., can solve the problems of low receiving frequency of air-coupled sensors, lower signal-to-noise ratio of interferometer demodulated signals, and difficult signal processing, etc., to ensure optical Features and stability, relaxed working environment, less external interference
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[0026] Accompanying drawing is a kind of specific embodiment of the present invention. This embodiment includes the hot steel pipe 2 erected on the roller table 1, the periphery of the hot steel pipe 2 is provided with a centripetal backboard 4 erected by the mechanical arm 3, and the centripetal backboard 4 is provided with several steel pipes corresponding to the center of the steel pipe 2. The detection head 5 has a long focal length lens and a large depth-of-field lens placed inside the detection head 5; the detection head 5 is respectively connected to the pulse laser 7 and the continuous laser 8 through the light guide arm 6, and the continuous laser 8 and the detection head are laid in the light guide arm 6 5 optical fibers, and the joints of the light guide arm 6 are provided with multi-level mirrors for conducting high-power pulsed lasers; the pulsed laser 7 and the continuous laser 8 are placed in a refrigeration cabinet 9 away from the steel pipe 2, and the pulsed la...
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