Minimum wrap sensor for Grove cranes

The minimum wrap sensor, part number 7486990261, serves as a safety component for Grove cranes. It monitors the quantity of hoist cable remaining on the winch drum during operation. By detecting when the cable reaches a pre-set minimum number of wraps, the sensor provides feedback to the crane control system to prevent the cable from unwinding completely from the drum, which protects the winch assembly and the integrity of the hoist system.

This component is designed for use across multiple Grove crane models that utilize standard cable winch configurations. It includes a bump feature as part of its standard design to facilitate interaction with the cable or drum assembly. The sensor integrates directly with the crane's operational safety systems to ensure that lifting operations remain within defined parameters.

In crane winch systems, minimum wrap sensors function as limit switches or proximity devices that track the cable position relative to the drum. These sensors are positioned to trigger a warning or stop the lowering function when the cable reaches its final layers, ensuring that the anchor point on the drum is not subjected to unnecessary tension or mechanical failure.