The utility model belongs to the technical field of
machining and
assembly control, specifically relates to a portable aperture
extracorporeal action size measuring device, measuring device includes measuring head module, control module, user interaction module, operating button,
energy supply module, this portable aperture
extracorporeal action size measuring device measures the actual size and
geometric error of aperture inner wall through measuring module, and control module controls the movement and positioning of measuring head module to obtain accurate measurement result, through the program
automatic control of user interaction module, the action of mechanism in control module and least square
algorithm processing measurement data are handled to obtain accurate measurement result, and operating button controls the operating state of measuring device, and through
energy supply module, the measuring device can be used continuously under the mobile environment, the utility model measures the actual size and
geometric error of aperture through direct contact and
laser scanning combination, and through mechanical and intelligent combination control the movement and positioning of measuring head module, then accurate measurement result is obtained after
algorithm processing, and adopts
lithium cell to store
electricity for the device, has the advantages such as accurate measurement, portable, can be used continuously under different measurement environment.