The Mechanical Handling and Storing of Material

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

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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 :