| 摘要 |
<p>The invention relates to an adjustable working platform construction suitable for being used in distillation columns and the like, whereby the working platform can be supported on rings present on the inner side of the column wall, whereby said working platform is built up of a system of spokes which are connected to a central plate (3), whereby two diametrically opposed first spokes (2) are fixedly connected to said plate (3) and at least two pairs of second spokes (4) positioned on either side of said first spokes are pivotably connected to said plate (3), and whereby two third spokes (5), which are arranged in diametrically opposed relationship, are detachably accommodated in receiving holes in said central plate (3), whereby said system of spokes supports cover plates, which are shaped to cover the entire column section.</p> |
