Rotary and reciprocating drilling machine

Details Rotary and reciprocating drilling machine Rotary and reciprocating drilling machine

1988-07-21

1989-08-29

Kisliuk, Bruce M.

Boring or penetrating the earth

With means to simultaneously feed and rotate tool from a...

175122, 175161, 175162, 175171, 173163, 173165, E21B 302, E21B 720

Patent

active

048608378

ABSTRACT:
The invention relates to a drilling machine comprising a kelly (5) suspended from a boom (3) mounted for pivoting on a chassis (1), a rotary table (7) through which the kelly is movable axially, drive members provided in the rotary table for rotating the kelly and a rotary drilling tool (8), more particularly a ground auger fixed to the bottom end of the kelly.
This machine is essentially characterized in that the rotary table (7) comprises at least two lateral protuberances (24) extending symmetrically with respect to the longitudinal axis of the kelly (5), in that the chassis (1) comprises two guide channels (26) disposed one opposite the other so as to receive the protuberances (24) and in that locking teeth (27) are provided for locking the protuberances (24) at any predetermined height in the guide channels (26).
The machien of the invention further comprises members for boring by reciprocating for reaching depths of about 80 to 100 meters.

REFERENCES:
patent: 2822147 (1958-02-01), Allard
patent: 3420320 (1969-01-01), Washita
patent: 3642078 (1972-02-01), Dornfeld et al.
patent: 3685596 (1972-08-01), Collins
patent: 3734204 (1973-05-01), Wallace
patent: 3833072 (1974-09-01), Back
patent: 3869003 (1975-03-01), Yamada et al.
patent: 4719978 (1988-01-01), Klemm

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