With a suction device is provided with a auxiliary positioning arrangement for drilling

摘要

With a suction device is provided with a auxiliary positioning arrangement for drilling, comprising:– a suction device (10), which has an outer sleeve (11), at the inner wall of a plurality of rib-like limiting parts (12) are arranged in a ring shape, wherein on the outer circumference of the suction device (10) more than a mounting seat (13) is arranged in a ring shape by a suction cup (15) of a handle (14) is controlled, wherein the handle (14) by lifting and pivoting eccentrically the mounting seat (13), so that the suction cup (15) can be pulled outwards, in order to provide a vacuum suction force in the inner, between the mounting seat (13) and the suction cup (15), in each case an elastic element (16) is clamped;– a first clamping chuck (20), which has a guide column (21), in the sub-region, a relatively extended catch (22) is arranged, of the upper side of the guide column (21) an observation hole (23) according to the inside and, by means of an inserted on the underside of the blocking element (22) are used, and smaller through hole (24) is led out, whereby at the..