ON THE PROBLEM OF HEIGHT ADJUSTMENT OF THE ACTIVELY CONTROLLED DRIVER‘S SEAT VIBRATION ISOLATION STAND

Abstract

Every driver’s seat vibration isolation stand is supplied with height adjustment. In the case of a standard seat vibration isolation stand (passively suspended), such adjustment is realized by the position mechanical controller. Any change in seat height results also in the change of the position of the working point of the pneumatic spring and the reduced mass or reduced inertia moment of the conducting mechanism are changed as well. This further results in the change of its natural frequency, transmissibility characteristics etc. These dependencies are analysed in the paper using an actively controlled driver’s seat vibration isolation stand with scissor mechanism.

Keywords

• vibration isolation stand
• height adjustment
• conducting mechanism
• pneumatic spring