Mobile drilling rig for constructing drill in ground, has mobile base, at which mast is erected from transport position in operative position, and mast is divided into two mast sections, which are fastened to one another in folding manner
摘要
<p>The mobile drilling rig (1) has a mobile base (2), at which a mast is erected from a transport position in an operative position. A drilling actuator (9) is arranged at the mast by a feeding system relocated on a sliding carriage (8). The mast is divided into two mast sections (5a,5b), which are fastened to one another in a folding manner.</p>
