1results about How to "Easy to sync" patented technology

The utility model relates to borehole equipment technical field discloses a pneumatic handheld type down -the -hole drill suitable for steep slope mountain, including machine case and drill rod, and drill rod is connected with machine case drive, still include adjusting board, first connecting plate, second connecting plate, first operating lever, second operating lever, first bolt, second bolt, lock nut, the utility model can realize the installation height of second operating lever is adjusted according to the slope of the steep slope of the working surface position, thereby can effectively improve the installation height of first operating lever, second operating lever and the matching degree of construction personnel standing position, the construction personnel of the upper and lower sides of drill is convenient synchronous operation drill, save time and effort, effectively reduced the security risk of the operation process because of the inconvenience of holding drill, simultaneously, avoided the situation that the holding posture difference is big and is easy to make the drill both sides uneven stress and tilt, can guarantee the perpendicularity of drill in the drilling construction process, can effectively guarantee the construction quality of pile foundation hole.