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US1375444A - Rotating device for percussive tools - Google Patents

Rotating device for percussive tools Download PDF

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Publication number
US1375444A
US1375444A US367835A US36783520A US1375444A US 1375444 A US1375444 A US 1375444A US 367835 A US367835 A US 367835A US 36783520 A US36783520 A US 36783520A US 1375444 A US1375444 A US 1375444A
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US
United States
Prior art keywords
anvil block
chuck
piston
rotating device
drill steel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US367835A
Inventor
Lewis C Bayles
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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ingersoll Rand Co filed Critical Ingersoll Rand Co
Priority to US367835A priority Critical patent/US1375444A/en
Application granted granted Critical
Publication of US1375444A publication Critical patent/US1375444A/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
    • E21B6/00Drives for drilling with combined rotary and percussive action

Definitions

  • rI ⁇ his invention relates to liuid actuated percussive tools, but more particularly to rotating devices and connections for imparting rotation to the drill steel.
  • the objects of the invention are to simplify and reduce the number of parts in the train of operative connections required to transmit rotative motion from a motor or source of power to the drill steel, and avoid as far as possible counter shafts and gearing external to the piston chambers of the tool.
  • Another object of the invention is to utilize an anvil block as one of the rotating elements for transmitting rotation to the drill steel.
  • Fig. 2 is a transverse sectional view on the line 2 2 of Fig. l, and
  • Fig. 3 is a transverse sectional view on the line 3-3 of Fig. 1.
  • A represents the cylinder casing of a percussive tool, in this instance a rock drill
  • B represents the striking end of the piston hammer adapted to reciprocate in the cylinder and preferably fluid actuated although the means for supplying and distributingthe motive fluid under pressure are not shown as forming no part of the present invention.
  • the front head C of the tool is suitably secured to the cylinder casing A by the usual side bolts D and the drill steel F is held in the rotating chuck G within the front head.
  • an anvil block seat H is prefer.- ably secured, and an anvil block J lies with'n in the chuck Gr and is guided in the seat H.
  • the anvil block J has slidable and non-rotativel engagement with the chuck Gr and in this instance and as a convenient construction the anvil block is provided with flutes or ribs K engaging internal grooves L in the chuck G.
  • a rotating shaft O passes through the piston B and slidably but non-rotatably engages the anvil block J, in this instance, the shaft O having flutes P at its inner end engaging internal ribs or fiutes Q in the anvil block luso that rotation of the shaft O im parts rotation to the anvil block J, the chuck G and the vdrill steel F.
  • the usual water tube R passes through the parts as shown for conducting cleaning fluid to the drill steel.
  • the construction is simple and etiicient, easy to construct and assemble and not liable to @et out of order.
  • ny suitable rotation motor (not shown) may be provided for driving the rotating shaft 0, and in accordance with my construction, the motor may be located in any convenientposition on the tool, as for instance at the back end, which is a desirable location in the majority of instances, particularly in stope drills. Furthermore, the outside of the drill casing and front head is kept smooth and external protuberances and bearings for driving connections are avoided I claim: Y
  • a percussive tool the combination of a cylinder casing, a piston reciprocating therein, an anvil block adapted to receive the impact of the piston, a chuck for receiving the drill steel, 'the chuck and anvil block having sliding but non-rotating engagement. and a rotating shaft passing through the piston and slidably but non-rotatably en gaging the anvil block for imparting rota tion to the drill steel.
  • a percussive tool the combination of a cylinder casing, a piston reciprocating therein, an anvil block adapted to receive the impact of the piston, a chuck for receiving'the drill steel, the anvil block slidably engaging the chuck but rotatable therewith, and a rotating shaft passing through the piston and having a fluted end engaging iiutes on the anvil block, whereby rotation is imparted tothe drill Steel.

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

Description

www
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LEWIS C. BAYLES, OF EASTON, PENNSYLVANIA, ASSIGNOR TO INGERSOLL-RAND COMPANY, OF' JERSEY CITY, NEW JERSEY, A CORPORATION 0F NEW JERSEY.
ROTATING- DEVICE FOR PEBCUSSIVE TOOLS.
Specification of Letters Patent.
Patented Apr. 19, 192i.
Application iled March 22, 1920. Serial No. 367,835.
To all whom t may concern:
Be it known that I, Lnwls C'. BAYLES, a citizen of the United States, residing at Easton, in the county of Northampton and State of Pennsylvania, have invented a cer tain new and useful Improvement in Rotating Devices for Percussive Tools, of which the following is a specication.
rI`his invention relates to liuid actuated percussive tools, but more particularly to rotating devices and connections for imparting rotation to the drill steel.
The objects of the invention are to simplify and reduce the number of parts in the train of operative connections required to transmit rotative motion from a motor or source of power to the drill steel, and avoid as far as possible counter shafts and gearing external to the piston chambers of the tool.
Another object of the invention is to utilize an anvil block as one of the rotating elements for transmitting rotation to the drill steel.
To these ends and in order to carry out further objects of the invention which will hereinafter appear, the invention consists of the combinations of elements shown in one of their preferred forms in the accompanying drawings in which- Figure l is a side view partly broken away and partly in longitudinal section of so much of a drill casing and front head as will ,serve to show the invention,
Fig. 2 is a transverse sectional view on the line 2 2 of Fig. l, and
Fig. 3 is a transverse sectional view on the line 3-3 of Fig. 1.
Referring to the drawings, A represents the cylinder casing of a percussive tool, in this instance a rock drill, and B represents the striking end of the piston hammer adapted to reciprocate in the cylinder and preferably fluid actuated although the means for supplying and distributingthe motive fluid under pressure are not shown as forming no part of the present invention. The front head C of the tool is suitably secured to the cylinder casing A by the usual side bolts D and the drill steel F is held in the rotating chuck G within the front head. f
Between the front head and drill cylinder casing an anvil block seat H is prefer.- ably secured, and an anvil block J lies with'n in the chuck Gr and is guided in the seat H. The anvil block J has slidable and non-rotativel engagement with the chuck Gr and in this instance and as a convenient construction the anvil block is provided with flutes or ribs K engaging internal grooves L in the chuck G.
A rotating shaft O passes through the piston B and slidably but non-rotatably engages the anvil block J, in this instance, the shaft O having flutes P at its inner end engaging internal ribs or fiutes Q in the anvil block luso that rotation of the shaft O im parts rotation to the anvil block J, the chuck G and the vdrill steel F. The usual water tube R passes through the parts as shown for conducting cleaning fluid to the drill steel.
The construction is simple and etiicient, easy to construct and assemble and not liable to @et out of order.
ny suitable rotation motor (not shown) may be provided for driving the rotating shaft 0, and in accordance with my construction, the motor may be located in any convenientposition on the tool, as for instance at the back end, which is a desirable location in the majority of instances, particularly in stope drills. Furthermore, the outside of the drill casing and front head is kept smooth and external protuberances and bearings for driving connections are avoided I claim: Y
l. In a percussive tool, the combination of a cylinder casing, a piston reciprocating therein, an anvil block adapted to receive the impact of the piston, a chuck for receiving the drill steel, 'the chuck and anvil block having sliding but non-rotating engagement. and a rotating shaft passing through the piston and slidably but non-rotatably en gaging the anvil block for imparting rota tion to the drill steel.
2. In a percussive tool, the combination of a cylinder casing, a piston reciprocating therein, an anvil block adapted to receive the impact of the piston, a chuck for receiving'the drill steel, the anvil block slidably engaging the chuck but rotatable therewith, and a rotating shaft passing through the piston and having a fluted end engaging iiutes on the anvil block, whereby rotation is imparted tothe drill Steel.
3. In a peroussivetool, the combination of a cylinder` casing, a piston reciprocating therein7 an anvil block adapted to receive the `impact of the piston, a chuck for re- 5 ceiving the olrill steel, theanvil block slidably `engaging the chuck but rotatable therewith, an anvil block seat, and a rotating shaft passing through the piston and having afiuted end Centrally engaging htes on the anvil blook,.whereby rotation is im- 10 parted to the drill steel.
In testimony whereof, I have hereunto set my hand.
LEWIS C. BAYLES.
US367835A 1920-03-22 1920-03-22 Rotating device for percussive tools Expired - Lifetime US1375444A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US367835A US1375444A (en) 1920-03-22 1920-03-22 Rotating device for percussive tools

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US367835A US1375444A (en) 1920-03-22 1920-03-22 Rotating device for percussive tools

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US1375444A true US1375444A (en) 1921-04-19

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994006600A1 (en) * 1992-09-23 1994-03-31 Ingersoll-Rand Company Nonrotary piston for jackhammer and removable splined nut therefor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994006600A1 (en) * 1992-09-23 1994-03-31 Ingersoll-Rand Company Nonrotary piston for jackhammer and removable splined nut therefor
US5350025A (en) * 1992-09-23 1994-09-27 Ingersoll-Rand Company Nonrotary piston for jackhammer and removable splined nut therefor

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