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Connecting rod and coupling rods attached to a small locomotive driving wheel. In general, all railroad vehicles have spring suspension; without springs, irregularities in the track could lift wheels off the rail and cause impact damage to both rails and vehicles. Driving wheels are typically mounted so that they have around 1 inch (2.5 cm) of ...
On a conventional, non-articulated locomotive, the driving wheels are all coupled together with side rods (also known as coupling rods); normally one pair is directly driven by the main rod (or connecting rod) which is connected to the end of the piston rod; power is transmitted to the others through the side rods. [2] [3] [4]
An animation of a Hobson joint. A Hobson's joint or Hobson's coupling is a type of right-angle constant-velocity joint; rods bent 90° are able to transmit torque around a corner because they are all free to turn in their mounting holes in both legs of the coupling.
Connecting rod / Main rod Steel arm that converts the reciprocating motion of the piston into a rotary motion of the driving wheels. The connection between piston and main rod is a crosshead, which slides on a horizontal bar behind the cylinder. [2] [5] [3]: 55 Piston rod Connects the piston to the cross-head. [2] [3]: 61 Piston
The coupling rod between those axles was 'triangular', with an additional bearing mounted on its top edge, taking the thrust of the jackshaft drive rod. Unlike most connecting rods, this allows it to be mounted in the same plane as the coupling rod bearings. This reduces the overhung lengths of the crankpins and their bending loads.
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Connecting rod, main, coupling, or side rod, in a reciprocating engine; Control rod, used to control the rate of fission in a nuclear reactor; Divining rod, two rods believed by some to find water in a practice known as dowsing; Fishing rod, a tool used to catch fish, like a long pole with a hook on the end
The very famous example is the joining of piston rod's extension with the connecting rod in the cross head assembly. Advantages: Quick assembly and disassembly is possible; It can take tensile as well as compressive force. Application: Joint between piston rod and cross head of a steam engine; Joint between valve rod and its steam