| 摘要 |
A mounting assembly for locating a plurality of bolt working devices (22) on a length of flanged pipe (2) through the flange (4) of which extend a plurality of bolts (6), the assembly comprising a segmented ring (20) carrying said plurality of devices (22) and including at least two segments (24, 26, 28) pivotal relative to one another between open positions enabling location of the ring (20) onto the pipe (2) and closed positions surrounding the pipe (2), at least one key (14) on one of the pipe (2) and the inner surface of the ring (20), and one or more axially extending keyways in the other of the pipe (2) and the inner surface of the ring (20) for co-operation with the or each key (14) to locate the ring (20) angularly relative to the pipe (2) and whereby the devices (22) are accurately axially aligned with their associated bolts (6) on the pipe flange (4). |
