| 主权项 |
1. A drill rig comprising:
a) a drill head assembly comprising;
i. a sliding base head, in sliding connection within two vertical members of a rectangular frame, the sliding head base attached to a first chain, the first chain in rotational attachment to a top end of the rectangular frame and a bottom end of the rectangular frame;ii. a head casing in pinned attachment to the sliding base, with two hand attachment pins attaching the head casing to the sliding base; with each hand attachment pin comprising a handle, the handle being substantially at a right angle to a vertical body of the attachment pin; the head casing comprising a bearing assembly, the bearing assembly comprising an outer collar housing, an inner bearing, an inner drive shaft with a first sprocket and a second sprocket; the bearing assembly attached to a swivel and the swivel attached to the head casing;iii. a hydraulic motor base bolted to the head casing, the hydraulic motor base attached to a hydraulic motor, the hydraulic motor attached to a second chain, the second chain attached to the bearing assembly and the bearing assembly attached to a bar coupling b) the bottom end of the rectangular frame attached to a wheel base, wheel base pins, round tube and anchoring foot. |
