US1443099A - Drilling apparatus - Google Patents

Drilling apparatus Download PDF

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Publication number
US1443099A
US1443099A US209320A US20932017A US1443099A US 1443099 A US1443099 A US 1443099A US 209320 A US209320 A US 209320A US 20932017 A US20932017 A US 20932017A US 1443099 A US1443099 A US 1443099A
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United States
Prior art keywords
chuck
motor
chamber
drilling apparatus
drill
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Expired - Lifetime
Application number
US209320A
Inventor
William A Smith
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DENVER ROCK DRILL Manufacturing CO
Original Assignee
DENVER ROCK DRILL Manufacturing CO
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Publication date
Application filed by DENVER ROCK DRILL Manufacturing CO filed Critical DENVER ROCK DRILL Manufacturing CO
Priority to US209320A priority Critical patent/US1443099A/en
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Publication of US1443099A publication Critical patent/US1443099A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/16Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using gaseous fluids

Definitions

  • the present invention relates to drilling apparatus, preferably that of the motive fluid operated type having a hammer piston, and the object is to provide means for delivering theexhaust to the drill bit for cleansing purposes, this means being so constructed that dirt will not find access to the motor orassociated mechanism from which the exhaust is taken.
  • Figure 2 is a View in elevation of the screen
  • Figure 3 is a view in elevation of the screen taken at right angles to Figure 2.
  • the drilling mechanism includes a drill actuating motor 4t comprising a cylinder member 5 in which is located a reciprocatory hammer piston 6.
  • a rotatable chuck 7 arranged to receive the rear end of a drill steel 8 that is adapted to be struck by the hammer piston in a manner well understood.
  • a rotary motor consisting of a casing 9 containing rotary piston mechanism 10, the same being connected to gearing 11 engaged as shown at 12 with the chuck for the purpose of rotating the latter.
  • Motive fluid is supplied to the drill actuating motor from any suitable source through a throttle valve 13, this valve having a port 1% movable into and out of communication with distributing channels 15 and 16 that deliver fluid to the hammer piston 6 to reciprocate the same.
  • a suitable exhaust port 15 is provided which is crossed by the head of the hammer piston 6 to permit motive fluid to escape alternately on opposite sides thereof.
  • motive fluid is supplied to the drill rotating motor 9-10 through a throttle valve 17 having aport 12 movable into and out of communication wltha passageway 19 that leads to the interior of the motor casing 9.
  • the exhaust port 20 from the rotary motor opens into a freely open to the drill chuck, dirt can readily enter the motor with the possibility of serious consequences to the latter. This will be evident when it is considered that these machines are ordinarily subjected to rough usage, which may include their lower ends being dropped into the mud or dirt when they are not running, and when the drill steels are not in place therein.
  • a screen is employed between the drill chuck and the gear casing 21.
  • This screen in the embodiment disclosed, is in the form of a ring or collar 22 that is interposed between the front end of the cylinder member 5 and the rear end of thechuck,
  • the combination with drilling apparatus including motor mechanism, a' front head, a rotary chuck in the front head for removably receiving a tool, said head having a chamber in which the rear end of such tool is received and operated on, of gearing at said head for rotating the chuck, a casing enclosing the gearing and having means of communication with the chamber, a screen across said means of communication, and means for directing the exhaust from the motor mechanism into the gear casing and thence through the screen to the chamber.
  • a drilling motor having a cylinder member provided with an open chamber in its front end, a hammer piston in the cylinder member, a rotatable chuck in advance of the chamber having a here to receive a drill steel and hold the same with its rear end in position to be operated on by the hammer piston, said chuck having its rear end terminating in advance of the piston, a casing on one side of the chamber, a chuck rotating motor and gearing operated thereby and operating on the chuck, said motor and gearing being enclosed by the casing, said chamber having a port communicating with the interior of the casing for permitting the exhaust from the chuck rotating motor to enter the chamber, and a collar surrounding the chamber and having an interlocking engagement with the cylinder to prevent the rotation of the collar, said collar having a perforated portion across said port.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Percussive Tools And Related Accessories (AREA)

Description

ILMKSQQQ Jan. 23, 11923.
W. A. SMITH. DRILLING APPARATUS. FILED DEC 28. I917.
w Him ooooa gc 0000 00 0 0000 Patented den. 23, 123..
area
winners it. stairs, or nnnvna, cononano, assienon re main nnnvnn noon mm. MANUFACTURING COMPANY, or nnnvnn, ooronnn n oonronarron or DELA wean.
DRILLING APPARATUS.
Application filed December 28,1917. Serial No. 209,320.
To all whom it may concern Be it known that I, WILLIAM A. SMITH, a citizen of the United States, residing at Denver, inthe county of Denver and State of Colorado, have invented certain new and I useful Improvements 1n Drilling Apparatus,
of which the following is a specification.
The present invention relates to drilling apparatus, preferably that of the motive fluid operated type having a hammer piston, and the object is to provide means for delivering theexhaust to the drill bit for cleansing purposes, this means being so constructed that dirt will not find access to the motor orassociated mechanism from which the exhaust is taken.
The preferred embodiment of the invention is illustrated in the accompanying drawings, wherein v Figure l is a vertical longitudinal sectional view through the preferred form of construction.
Figure 2 is a View in elevation of the screen, y
c Figure 3 is a view in elevation of the screen taken at right angles to Figure 2.
Similar reference numerals designate corresponding parts in all the figures of the drawings.
In the embodiment disclosed, the drilling mechanism includes a drill actuating motor 4t comprising a cylinder member 5 in which is located a reciprocatory hammer piston 6. In advance of this hammer piston is a rotatable chuck 7 arranged to receive the rear end of a drill steel 8 that is adapted to be struck by the hammer piston in a manner well understood.
F or the purpose of rotating the chuck,
and therefore the drill steel engaged therein, a rotary motor is employed consisting of a casing 9 containing rotary piston mechanism 10, the same being connected to gearing 11 engaged as shown at 12 with the chuck for the purpose of rotating the latter. Motive fluid is supplied to the drill actuating motor from any suitable source through a throttle valve 13, this valve having a port 1% movable into and out of communication with distributing channels 15 and 16 that deliver fluid to the hammer piston 6 to reciprocate the same. A suitable exhaust port 15 is provided which is crossed by the head of the hammer piston 6 to permit motive fluid to escape alternately on opposite sides thereof. In like manner motive fluid is supplied to the drill rotating motor 9-10 through a throttle valve 17 having aport 12 movable into and out of communication wltha passageway 19 that leads to the interior of the motor casing 9. The exhaust port 20 from the rotary motor opens into a freely open to the drill chuck, dirt can readily enter the motor with the possibility of serious consequences to the latter. This will be evident when it is considered that these machines are ordinarily subjected to rough usage, which may include their lower ends being dropped into the mud or dirt when they are not running, and when the drill steels are not in place therein.
To obviate this possibility, in the present embodiment a screen is employed between the drill chuck and the gear casing 21. This screen, in the embodiment disclosed, is in the form of a ring or collar 22 that is interposed between the front end of the cylinder member 5 and the rear end of thechuck,
being provided with rearwardly extending lugs 23 that are engaged in sockets 24 formed in the former, whereby the ring is not only clamped, but is held against rotation. The portion of the ring ad acent to the gearing is flattened as shown at 25 to provide clearance for the gearing, and this flattened portion is provided with perforations 26 constituting a screen, which while permitting the free outflow of the exhaust fluid to the drill steel, will prevent the entrance of dirt into the gearing and the rotary motor.
From the foregoing, it is thought that the construction, dperation and many advantages of the herein described invention without further description, and it will be I what I understood that various changes in the size, shape, proportion, and minor details of construction may be resorted to without departing from the spirit or sacrificing any of the advantages of the invention.
Having thus fully described my invention, claim as new, and desire to secure by Letters Patent, is
1. In apparatus of the character set forth, the combination with drilling apparatus, including motor mechanism, a' front head, a rotary chuck in the front head for removably receiving a tool, said head having a chamber in which the rear end of such tool is received and operated on, of gearing at said head for rotating the chuck, a casing enclosing the gearing and having means of communication with the chamber, a screen across said means of communication, and means for directing the exhaust from the motor mechanism into the gear casing and thence through the screen to the chamber.
2; The combination in a drilling apparatus, of a drilling motor having a cylinder member provided with an open chamber in its front end, a hammer piston in the cylinder member, a rotatable chuck in advance of the chamber having a bore to receive a drill steel and hold the same with its rear end in position to be operated on by the hammer piston, said chuck having its rear end terminating in advance of the piston, means for introducing a cleansing fluid into the open chamber, and a collar surrounding the chamber and interlocked with the cylinder member, said collar having screen portion across the introducing means.
3. The combination in a drilling apparatus, of a drilling motor having a cylinder member provided with an open chamber in its front end, a hammer piston in the cylinder member, a rotatable chuck in advance of the chamber having a here to receive a drill steel and hold the same with its rear end in position to be operated on by the hammer piston, said chuck having its rear end terminating in advance of the piston, a casing on one side of the chamber, a chuck rotating motor and gearing operated thereby and operating on the chuck, said motor and gearing being enclosed by the casing, said chamber having a port communicating with the interior of the casing for permitting the exhaust from the chuck rotating motor to enter the chamber, and a collar surrounding the chamber and having an interlocking engagement with the cylinder to prevent the rotation of the collar, said collar having a perforated portion across said port.
In testimony whereof, I afiix my signature in the presence of two witnesses.
WVILLTAM A. SMITH.
Witnesses E. L. OLDHAM, SULLIVAN V. JoI-INsoN.
US209320A 1917-12-28 1917-12-28 Drilling apparatus Expired - Lifetime US1443099A (en)

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Application Number Priority Date Filing Date Title
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US1443099A true US1443099A (en) 1923-01-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2757905A (en) * 1952-08-16 1956-08-07 Ingersoll Rand Co Cleansing device for rotary rock drills

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2757905A (en) * 1952-08-16 1956-08-07 Ingersoll Rand Co Cleansing device for rotary rock drills

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