| 摘要 |
<p>A load cell includes a strain beam(2) disposed with a strain gauge(1), a supporting rack(3) and a bearing beam(4) which are located at two ends of the strain beam(2) respectively, the said supporting rack(3) and the bearing beam(4) are respectively used to bear a force and an opposite counterforce; the supporting rack(3), bearing beam(4) and strain beam(2) are in a same flat metal plate; and the bearing beam(4) is located at one side of the strain beam(2) and is surrounded by the supporting rack(3) and the strain beam(2); A electrical weighing scale is equipped with three or more load cells above-mentioned, the supporting rack(3) of the cell is fixed on the body of the scale(5), the bearing beam(4) is directly contacted with a supporting foot of the scale(6), and the supporting foot(6) is in touch with a surface on which the scale is placed.</p> |
