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
g6 THE MECHANICAL HANDLING 01 MATERIAL
The Steering Oéar.-This appliance, the position of which has already- been
mentioned, is illustrated in Fig. 123, and the approximate position is sh°w" ' | &
and 119 The gear consists of a pair of idler rollers connected to a swivel, winch is a
connected to an iron frame fitted with hardened steel cheeks, which control and lead the
band in a straight line on to the terminal. In order to get sufficient power, this pair of
idlers are placed a little higher than the rest of the idlers, to get more weight on them. ,
Intermediate delivery is effected by a plough either V-shaped or set oblique y
Fig. 125. Plough for Intermediate Delivery from Steel Band Conveyois.
across the band. The plough consists of a number of steel plates which overlap and
r .• or^r Thp illustrations Figs 124, 125, and 126, which show
form one continuous scraper. Ine illustrations, rigb. ,
different forms, explain themselves. f
Inclination.-Inclines can be negotiated by these conveyors. The gradients, of
course, depend, as with other conveyors, on the nature of the material, but in a general
„ay an incline of 14” is permissible. The following table g.ves the capac.ty and horse
power required from actual experience :