Animation Of Double Crank-Locomotive Mechanism
Types of inversion
- Beam engine
- Coupling rod of locomotive
- Watt’s indicator mechanism
- Bull engine or pendulum engine
- Oscillating cylinder engine
- Rotary engine
- Crank & slotted quick return mechanism
- Whitworth quick return mechanism
- Elliptical trammels
- Scotch yoke mechanism
- Old-ham’s coupling
Coupling rod of locomotive
Coupling rod of a locomotive (Double crank mechanism). The mechanism of a coupling rod of a locomotive (also known as double crank mechanism) which consists of four links, is shown in Fig.
In this mechanism, the links AD and BC (having equal length) act as cranks and are connected to the respective wheels. The link CD acts as a coupling rod and the link AB is fixed in order to maintain a constant centre to centre distance between them. This mechanism is meant for transmitting rotary motion from one wheel to the other wheel.
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