Torque measurement probe for ship shafting with eccentricity error correction
An eccentric error and torque measurement technology, applied in the field of ship shafting torque measurement probes, can solve problems such as poor anti-interference ability, large interference, complex test circuit, etc., and achieve the effects of fast response speed, improved measurement accuracy, and simple design.
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[0036] The eccentricity error correction type ship shafting torque measurement probe provided by the present invention adopts the structure of semiconductor laser + photodiode + eddy current displacement sensor, and the laser clamping block and the middle block are installed on the base at an appropriate distance to ensure that the inlaid The photodiode on the photoelectric receiving block fixed on the middle block and the semiconductor laser on the laser clamping block can form opposite beams. The semiconductor laser is connected with the aviation joint through the wire, the photodiode is connected with the aviation joint on the middle block through the wire, and the aviation joint is connected with the control circuit board through the cable. After the code disc rotates, due to the existence of eccentricity, as the distance between the code disc jacket and the eddy current displacement sensor changes back and forth, a periodic electrical signal appears in the eddy current sen...
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