Multiple die shi - segment elector null of rudo

摘要

PURPOSE:To perform the assembly of a central wing segment so far enlarged and weighted and an intermediate column in an efficient manner. CONSTITUTION:In a segment erector for assembling two vertical segments of a multiple shield machine in the central part where symmetrical circular parts are crossed, and an intermediate column connecting these vertical wing segments to each other and supporting them, a guide column 1 is erected in the central part where symmetrical circular parts are crossed, and a slide box 8, which is moved up and down as being guided to this guide column 1 by a driving jack 5, is installed there. In addition, it is provided with two holding arms 9 and 9A for holding an locking the wing segment or the intermediate column installed free of both longitudinal and crosswise movements to this slide box 8, up and down.