Electronic limitation for rail-road excavator

The electronic limitation system for rail-road excavators is an advanced solution designed to secure and optimize the use of construction equipment operating on both rail and road. It enables real-time monitoring of several key parameters, thereby reducing accident risks and ensuring better load and movement management.

This system integrates three types of limitations:

  • Load Limitation: By combining pressure measurement and arm outreach, the system automatically stops all movements once the maximum load is reached.
  • Height Limitation: Based on angular sensors on the arm, this function blocks upward movement to prevent collisions with overhead infrastructure.
  • Rotation Limitation: Using electric stops, it prevents excessive left or right movements, ensuring more controlled operation of the excavator.

The system stands out for its electrical and mechanical redundancy. If the first safety layer fails, a backup takes over instantly. This dual protection covers lifting, load, and rotation functions alike.

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An integrated black box records all operational data, helping improve maintenance, enhance safety, and facilitate responsibility tracking in case of an incident. The entire system is designed to adapt dynamically to working conditions, taking into account terrain inclination and inertia effects to prevent tipping.

A work zone limiter further improves safety by preventing the excavator from entering hazardous areas. In addition, a motion warning system alerts surrounding personnel of any movement.

The system includes a special “brush cutter” mode that can be deactivated when the operator changes tools. This avoids unnecessary movement restrictions when using a mulcher or other attachment.

Finally, a dynamic calculation system continuously adjusts the lifting capacity based on the arm’s exact position and the turret’s rotation angle. This approach helps optimize lifting reach and improve machine performance without compromising safety.

This electronic limitation system is an essential solution for rail-road excavator operators, offering precise control, maximum safety, and efficient operation management.

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