The Underground Haulage of Coal By Wire Ropes Including the System of Wire Rop
The Underground Haulage of Coal By Wire Ropes Including the System of Wire Rop
Wilhelm Hildenbrand
The book The Underground Haulage of Coal By Wire Ropes Including the System of Wire Rop was written by author Wilhelm Hildenbrand Here you can read free online of The Underground Haulage of Coal By Wire Ropes Including the System of Wire Rop book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Underground Haulage of Coal By Wire Ropes Including the System of Wire Rop a good or bad book?
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It consists of a 6-foot rubber-lined sheave, with a 3- inch axle. Before passing out on the road the rope is led from the driving-wheel around a single-grooved tightening pulley of 6-foot diameter, which, resting on a sliding frame, can be moved backward or forward by means of a 2-inch set-screw that bears against the timber frame of the building. This arrangement works well, except that in wet weather the rope slips sometimes when the engine is started too suddenly. Referring to Fig. 60, the m...ethod of operation is the following : The empty cars return from the tipple on track (L\ which has a knuckle and down grade towards (A), where the trains are arranged. A set consists of from 24 to 60 cars; the front car is hitched to the splicing-link of the rope with an ordinary chain, 20 feet long, having a hook at one end and a clevis at the other. The former takes hold of the splic'mg-chain, while the latter is attached to the pulling- bar of the car by a very tapering pin, which is secured to the side of the car by a little chain.
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