P&H
Collector ring for P&H machinery
This collector ring facilitates the continuous transfer of electrical power and control signals between stationary and rotating components of P&H equipment. It ensures uninterrupted electrical connectivity during full 360-degree rotation of the machinery superstructure.
Specifications
- Part number
- 3277R17D2
- Brand
- P&H
The collector ring 3277R17D2 serves as an electromechanical interface that allows electrical power and control signals to pass between the stationary base and the rotating upper assembly of heavy machinery. By maintaining a constant electrical connection during rotation, this component supports the operation of critical systems such as swing motors, cabin controls, lighting, and safety sensors located on the rotating platform. It is designed to function effectively while the machine undergoes continuous movement.
This component is engineered for use in P&H equipment, including lattice boom cranes and mining excavators where rotational movement is a standard operational requirement. The assembly consists of concentric conductive rings and a set of sliding contact brushes that establish independent electrical circuits. These elements are arranged to provide consistent conductivity as the machine rotates, ensuring that power distribution remains stable throughout the operational cycle of the crane or excavator.
A collector ring enables the transmission of electricity across a rotating joint without the risk of cable twisting or mechanical fatigue. In heavy equipment, this device acts as the primary electrical bridge, allowing the upper structure to rotate freely while remaining connected to the power source and control systems housed within the base of the machine.