| 摘要 |
<p>A safety device for applying to a cable or chain lifting apparatus, or a pneumatic apparatus or a combination thereof, wherein the apparatus comprises a mobile hoist or another lifting system to which a gripping element for a load is connected by means of a cable system, the safety device being provided with means for detecting each displacement of the gripping element of the load, the means comprising an accelerometer group, each of the accelerometers of the group being destined to calculate an entity of a displacement of the gripping element in relation to a respective perpendicular Cartesian axis (x, y, z), and means for processing data obtained by the accelerometers according to a time of use by the lifting apparatus.</p> |
