MT20 : MINING MACHINERY - II

Mining Machinery - II
Unit - 1	TRANSPORT OF ORE  1.1 Different types of haulages  1.2 Description of each haulage system. 1.2.1 Direct rope haulage 1.2.2 Endless rope haulage 1.2.3 Main and Tail rope haulage 1.2.4 Gravity haulage 1.3 Safety devices used on rope haulage system 1.3.1 Stop block/Buffers 1.3.2 Back stay 1.3.3 Monkey catch 1.3.4 Age craft Device 1.3.5 Runaway Switch 1.3.6 Drop Warwick 1.4 Locomotive Haulage different types / Applicability 1.4.1 Diesel locomotive 1.4.2 Electric locomotive 1.4.3 Air compressed locomotive 1.4.4 Battery locomotives. 1.5 Definition of draw bar pull, Ideal gradient, Super elevation 1.6 Different Types of Conveyor 1.6.1 Chain conveyor 1.6.2 Plate conveyor 1.6.3 Belt conveyor 1.6.4 Condition of Suitability of each type 1.6.5 Advantageous and disadvantages 1.7 Introduction to Arial Ropeways
Unit - 2	WINDING IN SHAFT 2.1 Purpose of Winding 2.2 Main equipments used for Winding 2.2.1 Head gear 2.2.2 Headgear pulley 2.2.3 Cage/Skip 2.2.4 Winding Rope 2.2.5 Winding drum 2.2.6 Guides 2.2.7 Keps 2.2.8 Suspension Gear 2.3 Different types of winding 2.3.1 Drum winding 2.3.2 Koepe Winding 2.4 Drum winding different types 2.4.1 Cylindrical drum 2.4.2 Conical drum 2.4.3 Cylindroconical drum 2.4.4 Bicydroconical drum 2.5 Provisions on winding drum 2.5.1 Flanges 2.5.2 Depth indicator 2.5.3 Mechanical Brakes (different types) 2.5.4 Automatic Contrivance 2.6 Angle of fleet 2.7 Guides different types 2.7.1 Rigid guides 2.7.2 Flexible cable 2.8 Causes of cage oscillation 2.9 Cage suspension Gear Rope Capel 2.9.1 D link and bull chain 2.9.2 Safety hook 2.9.3 Triangular distribution plate 2.9.4 Bridle chain 2.10 Different types of keps 2.10.1 Rigid keps 2.10.2 Davies improved keps gear. 2.11 List of safety devices used in winding. 2.12 Characteristics curves 2.13 Smooth winding cycle 2.14 Koepe winding
Unit - 3	MINE PUMPS 3.1 Sources of water in Mines 3.2 Classification of Mine Pumps 3.3 Reciprocating Pump 3.3.1 Single acting 3.3.2 Double acting 3.3.3 Ram pumps 3.4 Centrifugal Pumps 3.4.1 Turbine Pumps 3.5 Installation of pump 3.6 Operation of pump 3.7 Fitting on pump 3.8 Starting and stopping of pump 3.9 Face pumps 3.10 Characteristics Curves of Centrifugal and turbine pumps. 3.11 Calculations for pump discharge etc. 3.12 Snoring of pump, its prevention. 3.13 Water hammer.
Unit - 4	COAL CUTTING MACHINE 4.1 Purpose of coal cutting machine 4.2 Classification of coal cutting Machine. 4.3 Different types of cut 4.4 Different parts of CCM 4.5 Cutting gear arrangements of chain 4.6 Introduction of continuous miner 4.7 Different types of mechanical Loaders.
Unit - 5	ELECTRIC POWER SUPPLY 5.1 Types of cables used in mines 5.2 Permanent cable Different types, construction 5.3 Semi flexible cable Different types, construction 5.4 Flexible cable Different types, construction 5.5 Screening of cable 5.6 Cable joint box 5.7 Repair of cable 5.8 Bleeding of cable 5.9 Cable care and maintenance during Use and storage
Unit - 6	GATE END BOX 6.1 Construction of gate end box 6.2 Safety provision in gate end box 6.3 Pilot Circuit 6.4 Different circuits for protection