The hammer rod steadying device casing push-hammer excavator

摘要

(57) Abstract Objective The hammer rod which is interposed into the casing kMaking singing radial move, in the hammer drilling machine which digsPutting, it prevents the wobble of the hammer rod. Constitution It is interposed into the casing which is supported verticallyShould in the bottom vicinity of the hammer rod which the stabilizer device installation and othersre, as for the above-mentioned stabilizer device, inside the above-mentioned casing Interpolation deviation from unrestrictedBeing the thing, inside that to axial direction the longitudinal the lumen which is done the possessionIn the enclosure and the above-mentioned enclosure which it does, in the above-mentioned casing inner skin the attach and detachIn order that it does, advance and retreat the multiple chuck pieces which are supported unrestrictedly and,Being something which is supported inside lumen of the above-mentioned enclosure, inside thatFrom the shaft center section to casing radial hanmarotsu which is extendedThe do guide rail to be done the longitudinal, inside the said guide rail the above-mentioned hammer rodAt the same time axial direction sleeve unrestricted in casing radial movement unrestrictedly preservationHolding while doing, the Drive hand which moves the framework and the above-mentioned chuck pieceHammer rod inside step and the above-mentioned guide rail radial desire movementThe lock means which installation and removal unrestrictedly lock and, it consists of in position.