WOLFF High-speed Positioning Assistance System


Just over a year ago, Wolffkran was the first manufacturer in the crane industry to introduce the electronic assistance system: High-Speed-Positioning-System (HiSPS) at the bauma trade fair. It enables loads on the crane hook to be moved virtually sway-free and positioned with millimeter precision. Now the patent-pending technology is available for order together with Wolffkran’s latest addition, WOLFF 6523 Clear. In 2024, additional newly manufactured WOLFF models will be equipped with the option of acti-vating the HiSPS and existing WOLFF cranes can also be retro-fitted.

The connectible HiSPS assistance system operates using two bat-tery-powered sensors on the trolley and hook block of the crane hook. Connected to a control unit in the switch cabinet, it detects the rope’s movements and automatically adjusts the motion and speed of the slewing gear and trolley to it.

By activating the HiSPS, the load that was already swinging as a result of the crane movement is stopped within seconds. This can also be used to eliminate heavy wind effects. Since the trolley always assumes its position automatically via the hook block when HiSPS is activated, it prevents the load from being pulled diagonally. The trolley automatically moves as well or is always positioned precisely over the load when the hook is manually pulled or when the load is manually pushed by hand on the ground.

The WOLFF High-Speed-Positioning-System not only enhances safety at the construction site; it also allows users to work far more efficiently. The crane can be operated far more easily and intuitively from the ground than before via remote control. Previously, the crane operator had to move the load very slowly to prevent a strong pendulum motion; with the system connected, they can move the crane significantly faster. Moreover, the HiSPS allows users to save hook positions and automatically move to them. As a result, the load can be positioned precisely even with a limited view. Besides construction site cranes, the ability to automatically travel to saved positions also makes HiSPS attractive for ground-controlled WOLFF cranes without crane cabins at storage areas, in mines, and in industry.

“However, HiSPS is more than just a digital assistance system and the building block for the autonomous driving crane,” says Dr. Mohamed Abouelezz, head of Product management and Business development at Wolffkran. “The crane movement and position data that the HiSPS generates can be integrated into the modern digital construction site organization using building information modeling (BIM). With HiSPS, our cranes are ready for the progressive digitalization of the building industry.”

After an extensive testing phase, the HiSPS was introduced in a market-ready state for the first time at the end of September. Existing cranes can also be retrofitted.

Source: WOLFFKRAN International AG

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