| 摘要 |
<p>There is a trough-shaped forward-moving support frame accommodating the conveyor, with a plane guideway, in ramp form, attached to it, on the assembly for extracting coal. Intermediate plates (31) are attached to the support frame (10) on the face side, with window-type apertures in them for screw fixture for the plane guideway (23). Covering units (35) are fixed behind the aperture, forming recesses for the heads (36) of the bolts (38). The covers can be V-shaped plates, with open shank ends fastened near the top and bottom apertures. Standard plane guides can be attached, with virtually no widening of the frame structure, and with simple and stable connection.</p> |
