Damping or prevention of vibrations in industrial trucks

摘要

An industrial truck is shown with a lifting frame, on which a load-receiving section is arranged so as to be movable vertically. The load-receiving section has at least one degree of movement freedom with respect to the lifting frame, which lies in a plane perpendicular to the main direction of travel of the industrial truck and has at least one horizontal component. In addition, a vibration control system is provided for damping or preventing vibrations in the relative position of load-receiving section and lifting frame.

主权项

1. Industrial truck having one or more intended operations for moving an object along one or more intended degrees of freedom, the industrial truck comprising: a lifting frame, on which a load-receiving section is arranged so as to be movable vertically during one of the intended operations, wherein the load-receiving section has at least one unintended motion degree of freedom in relation to the lifting frame for damping or preventing vibrations in the lifting frame in a direction transversely to a main direction of travel of said industrial truck, said unintended motion degree of freedom lying in a plane perpendicular to the main direction of travel of said industrial truck and having at least one horizontal component, and means for either damping or preventing vibrations in a relative position between the load-receiving section and the lifting frame along said at least one unintended motion degree of freedom, wherein said industrial truck is not configured to move said load-receiving section along said at least one unintended motion degree of freedom during any of the intended operations for moving an object along the one or more intended degrees of freedom.