| 摘要 |
<p>PURPOSE: A lead supporting device of a drilling machine is provided to be capable of fixing the angle of a lead at any position and prevent the damage of a lead fixing device from adjusting the angle of the lead by malfunction or worker's mistake. CONSTITUTION: A lead supporting device of a drilling machine includes the body(11) of a drilling machine(10), a lead(20), a driving shaft(31), a head part(30), a lead position fixing device(40). The lead is supported by the body of the drilling machine and rotated by a main cylinder(21) with a prescribed angle. The driving shaft is slidably installed to the lead. A rod(12) for drilling is connected to the driving shaft. The head part has a hydraulic motor to drive the driving shaft. The lead position fixing device is installed to the body and lead. The lead position fixing device fixes the rotating position of the lead.</p> |
