Railway Switch & Crossings | How train change the track? | Introduction of Railroad Crossing
Points-- (switch rails or point blades) are the movable rails which guide the wheels towards either the straight or the diving track. In ordinary conversation, it is common to use the word “switch” when referring to a “turnout,” which is technically incorrect.
Stock rails--are the running rails immediately alongside the switch rails against which the switch rails lay when in the closed position.
Frog-- is a component placed where one rail crosses another, refers to the crossing point of two rails.
Closure rails-- are the straight or curved rails that are positioned in between the heel of switch and the toe of frog.
Guard rail-- (check rail) is a short piece of rail placed alongside the main (stock) rail opposite the frog. These exist to ensure that the wheels follow the appropriate flangeway through the frog and that the train does not derail.
Heel block-- assemblies are units placed at the heel of the switch that provide a splice with the contiguous closure rail and a location for the switch point rail to pivot at a fixed spread distance from the stock rail.
A switch operating device-- moves switch rails. Switch rails can be thrown (moved) from one orientation to another by either a hand-operated (manual) switch stand or a mechanically or electro-mechanically (power-operated) switch machine. In both cases, the operating devices are positioned at the beginning of the turnout opposite the switch-connecting rods near the point of the switch rails.
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Railway Switch & Crossings | How train change the track? | Introduction of Railroad Crossing
Points-- (switch rails or point blades) are the movable rails which guide the wheels towards either the straight or the diving track. In ordinary conversation, it is common to use the word “switch” when referring to a “turnout,” which is technically incorrect.
Stock rails--are the running rails immediately alongside the switch rails against which the switch rails lay when in the closed position.
Frog-- is a component placed where one rail crosses another, refers to the crossing point of two rails.
Closure rails-- are the straight or curved rails that are positioned in between the heel of switch and the toe of frog.
Guard rail-- (check rail) is a short piece of rail placed alongside the main (stock) rail opposite the frog. These exist to ensure that the wheels follow the appropriate flangeway through the frog and that the train does not derail.
Heel block-- assemblies are units placed at the heel of the switch that provide a splice with the contiguous closure rail and a location for the switch point rail to pivot at a fixed spread distance from the stock rail.
A switch operating device-- moves switch rails. Switch rails can be thrown (moved) from one orientation to another by either a hand-operated (manual) switch stand or a mechanically or electro-mechanically (power-operated) switch machine. In both cases, the operating devices are positioned at the beginning of the turnout opposite the switch-connecting rods near the point of the switch rails.
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how train change track,train track changing,train track changing mechanism,railway switches and crossing,rail track changer,rail swtich stand,train track changing mechanism,railway turnout,railroad,rail crossing,railway signal
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