don't usually use old fashioned large diagonal or lattice
bracings as surge bracings any more; to stop a gantry cranes
down shop surging in the long travel direction. Not only are
they costly and unsightly as well as being a hazard to staff
member heads, they also stop access between crane bays as
well as preventing storage below.
We do however when needed try to use a new tried and tested
system of portalised columns or inverted webs. Portal columns
are now used by Demag, Street, Abus and Konecranes. See below.
pair of inverted webs / portal columns (below) facing each
other are good for another 5 bays (30 meters approximately)
without the need for another set. Perfect for neutralising
your cranes overturning moments. Beware companies
who do not offer this.
crane installation engineers can grout around the overhead
cranes supporting steel columns; using non shrink grout below
the crane base.
factory floors are not level far from it. If a new warehouse
floor is only 2mm of level, the top of a 6 meter tall crane
supporting column it can be over 12mm out.
Many companies try to shim steel up or bend it into position
to marry up holes of the down shop steel. At AG Cranes
we use packers under the cranes upright free standing columns
before line and leveling.
measurements are then taken in all directions to confirm it
is level before fully tightening the bolts. The crane can
be tested before the grout is poured. Once tested non shrink
grout can be poured into the base. Within 24 hours it is good
is a K-bracing option for down shop free standing crane steel.
Tristan or Alan on 01527 894 825 for more info.
ENTER HERE TO VIEW OUR USED CRANE GANTRY STEELWORK FOR SALE.
us; crane steelwork wanted.
All parts of the UK covered for crane sales, erection, installation, testing, repairs, maintenance; even; Basildon, Warrington, Wigan, , Stafford, Royston, Slough, and Northallerton.