Invertible drilling machine

Claim 2

An end mounted invertible drilling machine that is detachably mountable onto a floor emplaced base structure, said machine comprising: first and second opposite end frame members, each said end frame member including pivot pin receiving means to receive a pivot pin for pivotally attaching it to the base structure and connector means spaced therefrom, for connection to an end of at least one adjustable connector which is interconnectable between the base structure and the end frame member that is selected for connection to the base structure, to provide a way of adjusting the angle of the drilling line regardless of which end frame member is mounted onto the base structure, said first end frame member including a worktable, a drill pipe avenue formed through said worktable, an inboard holding wrench retainer on said worktable for use during down drilling, and an outboard holding wrench retainer on said worktable for use during up drilling; guide column means including at least two laterally spaced apart guide columns which are rigidly interconnected between said end frame members; rotary drive means including a drive head connectable to drill pipe sections, said drive head being directed towards the drill pipe avenue in said first end frame member, and motor means for rotating said drive head and any drill pipe connected thereto; travelling cross-frame means mounting said rotary drive means onto said guide column means for travel therealong; and linear drive means for moving said cross-frame means along said guide column means both towards and away from said first end frame member.

Claim 3

An invertible drilling machine according to claim 1, wherein in addition to said guide columns the machine includes at least one additional support column which is offset from said guide columns and is rigidly interconnected between the two end frame members.

Claim 4

An end mounted invertible earth drilling machine for rotating and translating a sectional drill stem which carries cutter means at its end distal the machine, and which is detachably mounted onto a floor emplaced base structure, said machine comprising: at least one guide column including a fixed piston head thereon intermediate the ends of the column; a frame supporting said guide column at both of its ends, said frame including first and second end frame members, and additional support column means offset from said guide column both being rigidly interconnected between the first and second end frame members, each said end frame member including pivot pin receiving means to receive a pivot pin for pivotally attaching it to the bAse structure and connector means spaced therefrom for connection to an end of at least one adjustable connector which is interconnectable between said base structure and the end frame member that is selected for connection to the base structure, to provide a way for adjusting the angle of the drilling line regardless of which end frame member is mounted onto the base structure, said first end frame member including a worktable, a drill pipe avenue opening through said worktable, an inboard holding wrench retainer on said worktable for use during down drilling, and an outboard holding wrench retainer on said worktable for use during up drilling; tubular first wall means surrounding said column and with said column forming a variable volume fluid chamber on each side of said fixed piston head, said tubular first wall means including a second fixed piston head thereon intermediate its two ends; tubular second wall means surrounding said tubular first wall means and forming therewith a variable volume fluid chamber on each side of said second fixed piston head; rotary drilling equipment carried by said tubular second wall means to be carried thereby; and means for selectively delivering fluid to and removing fluid from said variable volume fluid chambers, for driving the tubular first wall means along said column and the tubular second wall means along said tubular first wall means.

Claim 5

An end mounted invertible earth drilling machine for rotating and translating a sectional drill stem which carries cutter means at its end distal the machine, and which is detachably mounted onto a floor emplaced base structure, said machine comprising: at least one guide column including a fixed piston head thereon intermediate the ends of the column; a frame supporting said guide column at both of its ends, said frame including first and second end frame members, and additional support column means offset from said guide column both being rigidly interconnected between the first and second end frame members, each said end frame member including pivot pin receiving means to receive a pivot pin for pivotally attaching it to the bAse structure and connector means spaced therefrom for connection to an end of at least one adjustable connector which is interconnectable between said base structure and the end frame member that is selected for connection to the base structure, to provide a way for adjusting the angle of the drilling line regardless of which end frame member is mounted onto the base structure, said first end frame member including a worktable, a drill pipe avenue opening through said worktable, an inboard holding wrench retainer on said worktable for use during down drilling, and an outboard holding wrench retainer on said worktable for use during up drilling; tubular first wall means surrounding said column and with said column forming a variable volume fluid chamber on each side of said fixed piston head, said tubular first wall means including a second fixed piston head thereon intermediate its two ends; tubular second wall means surrounding said tubular first wall means and forming therewith a variable volume fluid chamber on each side of said second fixed piston head; rotary drilling equipment carried by said tubular second wall means to be carried thereby; and means for selectively delivering fluid to and removing fluid from said variable volume fluid chambers, for driving the tubular first wall means along said column and the tubular second wall means along said tubular first wall means.

Claim 6

An end mounted invertible earth drilling machine that is detachably mountable onto a floor emplaced base structure, said machine comprising: a base end frame member including at least one pivot pin receiving means, a worktable, a drill pipe avenue formed through said worktable, an inboard holding wrench retainer on said worktable for supporting a holding wrench during down drilling, and an outboard holding wrench retainer on said worktable for supporting a holding wrench during up drilling; a pair of laterally spaced apart guide columns, both being rigidly secured to said base end frame member and projecting upwardly therefrom, each in parallelism with the other, each said guide column including a fixed piston head thereon intermediate its two ends; tubular first wall means surrounding each said column and with said column forming a variable volume fluid chamber on each side of its fixed piston head, each said tubular first wall means including a second fixed piston head thereon intermediate its two ends; a tubular second wall means surrounding each said tubular first wall means and forming therewith a variable volume fluid chamber on each side of the second fixed piston head; a traveling cross frame extending between said guide columns, and means mounting said cross frame on said tubular second wall means, to be carried therewith and guided thereby along said guide columns; rotary drilling equipment secured to said traveling cross frame means to be carried thereby, said equipment including a drive head connectable to drill pipe sections, said drive head being directed towards the drill pipe avenue in said base end frame member; means for selectively delivering fluid to and removing fluid from the said variable volume fluid chambers, or driving the tubular first wall means along said columns and the tubular second wall means along said tubular first wall means; a head end frame member rigidly interconnecting the ends of the two guide columns opposite the base frame member, said head end frame member including at least one pivot pin receiving opening like the said opening in said base end frame member; additional support column means offset from said guide columns, said additional support column means being rigidly interconnected between the head frame member and the base frame member; a pivot pin engageable with a selected one of the pivot pin openings in the base and head end frame members; and at least one adjustable connector which is interconnectable between the base structure and the end frame member that is selected for connection to the base structure, to provide a way of adjusting the angle of the drilling line regardless of which end frame member is mounted onto the base structure.

Claim 7

An end mounted invertible earth drilling machine that is detachably mountable onto a floor emplaced base structure, said machine comprising: a base end frame member including at least one pivot pin receiving means, a worktable, a drill pipe avenue formed through said worktable, an inboard holding wrench retainer on said worktable for supporting a holding wrench during down drilling, and an outboard holding wrench retainer on said worktable for supporting a holding wrench during up drilling; a pair of laterally spaced apart guide columns, both being rigidly secured to said base end frame member and projecting upwardly therefrom, each in parallelism with the other, each said guide column including a fixed piston head thereon intermediate its two ends; tubular first wall means surrounding each said column and with said column forming a variable volume fluid chamber on each side of its fixed piston head, each said tubular first wall means including a second fixed piston head thereon intermediate its two ends; a tubular second wall means surrounding each said tubular first wall means and forming therewith a variable volume fluid chamber on each side of the second fixed piston head; a traveling cross frame extending between said guide columns, and means mounting said cross frame on said tubular second wall means, to be carried therewith and guided thereby along said guide columns; rotary drilling equipment secured to said traveling cross frame means to be carried thereby, said equipment including a drive head connectable to drill pipe sections, said drive head being directed towards the drill pipe avenue in said base end frame member; means for selectively delivering fluid to and removing fluid from the said variable volume fluid chambers, or driving the tubular first wall means along said columns and the tubular second wall means along said tubular first wall means; a head end frame member rigidly interconnecting the ends of the two guide columns opposite the base frame member, said head end frame member including at least one pivot pin receiving opening like the said opening in said base end frame member; additional support column means offset from said guide columns, said additional support column means being rigidly interconnected between the head frame member and the base frame member; a pivot pin engageable with a selected one of the pivot pin openings in the base and head end frame members; and at least one adjustable connector which is interconnectable between the base structure and the end frame member that is selected for connection to the base structure, to provide a way of adjusting the angle of the drilling line regardless of which end frame member is mounted onto the base structure.