Formula core drill is driven on top

The utility model provides a formula core drill is driven on top, includes that boring tower 1, top of the tower assembly pulley 2, tower base 3, integrated form unit head 4, drilling rod 5, master file raise 6, main lifting rope 7, guide pulley 8 and guide line cable 9, top of the tower assembly pulley 2 is located 1 top in the boring tower, and main lifting rope 7 is raised 6 from the master file and is stretched out, passes top of the tower assembly pulley 2 and is connected with integrated form unit head 4, guide line cable 8 is located 4 both sides of integrated form unit head, and the equal fixed connection in both ends makes it tighten about it, guide pulley 9 installs in 4 both sides of integrated form unit head, and the upper end of every side and lower extreme have two pulleys, and these two pulleys are for arrange side by side, and guide line cable 8 presss from both sides between these two pulleys. The utility model discloses owing to has adopted above -mentioned technical scheme, has compared wit