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Active load diagram

12 July 2016

RAVAS SafeLoad is an aftermarket product for counterbalanced trucks that provides both a weight indication and stability information in a single combined display.

SafeLoad acts as an active load diagram: it calculates with weight, load centre point and mast tilt, in order to decide whether a load is lifted safely in the current situation.

It uses information from a hydraulic sensor and a set of sensors that measures the moment forces from load centre- position and mast tilt, to present stability information in the display. A LED bar below the weight display goes from green (safe lifting), via yellow, to red (unsafe lifting: risk of tipping over).

The led bar stability indication is enhanced by the colour of the weight display (green backlight in safe situations, red backlight in unsafe situations), and by a fork in the weight display that is divided in three segments, one of them blinking to indicate the load centre position on the forks.

An example: on a 2.5 Ton lift truck a load of 1.823 kg picked up close to the carriage plate might result in a weight indication of 1.820 kg in the display, against a green background, with the middle fork segment blinking for a load center point at 500-600mm, and four green LEDs lit up on the LED bar. However, the same load picked up at the fork tips will result in the same 1.820 kg in the display, but against a red background for unsafe lifting, with the right side fork segment blinking (LCP at 800 – 1.000 mm), the red segments on the LED bar lit up, and a warning buzzer going off.

The indicator of the RAVAS-SafeLoad has a built-in data logging function. It automatically records every single lifting event over time. The data can be downloaded via Bluetooth connection, and provides information on safety and efficiency of the truck, for fleet management.

 
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