Forfatter: A.-M.Inst.C E., George Frederick Zimmer
År: 1916
Forlag: Crosby Lockwood and Son
Sted: London
Sider: 752
UDK: 621.87 Zim, 621.86 Zim
Being a Treatise on the Handling and Storing of Material such as Grain, Coal, Ore, Timber, Etc., by Automatic or Semi-Automatic Machinery, together with the Various Accessories used in the Manipulation of such Plant
UNLOADING VESSELS BY BARGE OR SHLP ELEVATORS 457
PORTABLE BARGE ELEVATORS
These are very similar to the elevators attached to factory buildings and gantries
for the purpose of clearing grain, coal, and similar materials from ships holds. .As
has previously been explained, they can be used for coal only when it is of a fairly
uniform size.
Barge Elevator for Grain.—A typical example of a movable barge elevator
Fig. G34. Banana Unloader.
is that at work at the Eagle Oil Mills of Messrs J. Rank, Ltd., Hull, and which was
built by Messrs Spencer & Co., Ltd., Melkshatn. It is driven by electricity, it is self-
propelling, and is capable of raising 60 tons of seed per hour. 1 he whole of the
machinery for operating the elevator is erected in a corrugated iron cabin, which is
movable with the elevator on the track. Travelling gear is provided in order to
minimise the necessity of trimming as much as possible, as at low tide these barges
lie on the mud, so that it would not be possible to move them for unloading purposes.
Phe elevator delivers in any position of its travel through a telescopic shoot on to a