Self-positioning high-precision aperture measuring device
A measuring device and self-positioning technology, which is applied in the direction of measuring devices, optical devices, instruments, etc., can solve the problems of poor precision, complex structure, low efficiency, etc., and achieve the effect of fast measurement and correctness
Active Publication Date: 2020-01-07
CHENGDU AIRCRAFT INDUSTRY GROUP
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The application, which belongs to the field of machine manufacturing, especially relates to a self-positioning high-precision aperture measuring device that is capable of realizing a force balance state by utilizing coordinated movement of a telescopic damping rod and a universal ball in horizontal and vertical directions. The measuring device comprises a bracket, a coarse adjustment knob, adjustable support arms, measuring rods and self-positioning structures. Two adjustable support arms and two measuring rods are arranged; one adjustable support arm and one measuring rod are arranged at eachof two ends of the bracket; and one self-positioning structure is arranged outside each adjustable support arm. The coarse adjustment knob is arranged on a bracket housing. Since damping rods are distributed symmetrically in the horizontal direction and the vertical direction and universal wheels are arranged at the ends of the damping rods, rapid self-positioning is realized based on the force balance principle; and the straight line formed by the measuring rods of the device coincides with one diameter of a radial tangent circle of a measured hole, so that the correctness of a measurement result is guaranteed.
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