PRESSURE MAINTAINING AND CORRECTION MECHANISM AND CORRECTION METHOD OF SAME

摘要

A pressure maintaining and correction mechanism, comprising a correction plate (654) provided with a correction through hole (6543) penetrating upper and lower surfaces; a circumferential pressure maintaining assembly formed by arranging at least two circumferential pressure maintaining heads in a surrounding manner, the outer side of each circumferential pressure maintaining head being fixedly connected with a pressure maintaining skirt (6521) extending outward; and at least two circumferential balancing weights (6562). The correction plate (654) is arranged on the periphery of the circumferential pressure maintaining assembly by means of the correction through hole (6543), so that the pressure maintaining skirts (6521) are projected to the upper surface of the correction plate (654); the upper surface of the correction plate (654) is provided with at least two pressure sensing components arranged around the correction through hole (6543), and the pressure sensing components are located right below the pressure maintaining skirts (6521); and each circumferential balancing weight (6562) presses the top of a corresponding circumferential pressure maintaining head, so that the pressure maintaining skirts (6521) press the pressure sensing components. Further provided is a correction method of the pressure maintaining and correction mechanism. The pressure maintaining skirts (6521) having a large area press the correction plate (654) on which the pressure sensing components are arranged, so that the detection result is more intuitive to facilitate accurate correction.