| 摘要 |
<p>The invention relates to a frame-support for an electric cabinet with heavy electric equipment and high short-circuit currents (50...150 kA). According to the invention, the frame sides (1, 3, 5, 6, 7, 8, 9 and 11) of the frame support are made up of the frame profile (A), while the frame sides (2, 4, 10, and 12) are made of the frame profile (B), each of the frame profiles (A and B) being made of a non-perforated profile (a) and a perforated profile (b) forming two frame profile sides (13 and 14), in two layers, containing therebetween a large hollow profile (15) having four hollow profile sides (16, 17, 18 and 19), as well as a small hollow profile (20) having four hollow profile sides (21, 22, 23 and 24), the hollow profile side (18) being tripled by a thickening (g), the joints between the frame sides being made by using the trihedral angle (42), while the elbow joints are welded. The frame sides together with the profile and end sides form the front frame (43), the rear frame (44), the left side frame (45), the right side frame (46), the base frame (47) and the upper frame (48), the hollow profile sides (16 and 17) form the inner frame edge (MI 1), while the hollow profile sides (21 and 22) form the internal frame edge (MI 2), they forming together an inner edge frame (CIM) as well as internal open edge frames (CIDM).</p> |
