Channel units connecting medium for use in conveying trough, has clamp bolt with shaft for clasping joint between two channel units, and clamping screws for adjusting position of two wedge bodies to clamp channel-unit connection

摘要

The medium has a clamp bolt (20) with a shaft (21) for clasping a joint between two channel units, and a screw nut (40) fixed at the shaft. Wedge bodies (30, 31) have recesses (33) for partial encompassing of the shaft and arranged traverse to the shaft. Two clamping screws (32) are provided for adjusting the position of the wedge bodies for clamping a channel-unit connection. An independent claim is also included for a conveying trough for subsurface mining and tunneling construction, with a channel units connecting medium.