US1369609A - Rock-drilling machine - Google Patents
Rock-drilling machine Download PDFInfo
- Publication number
- US1369609A US1369609A US298514A US29851419A US1369609A US 1369609 A US1369609 A US 1369609A US 298514 A US298514 A US 298514A US 29851419 A US29851419 A US 29851419A US 1369609 A US1369609 A US 1369609A
- Authority
- US
- United States
- Prior art keywords
- rock
- drilling machine
- crank
- machine
- levers
- 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
Links
- 238000005553 drilling Methods 0.000 title description 3
- 239000011435 rock Substances 0.000 description 5
- 244000132069 Carica monoica Species 0.000 description 1
- 235000014649 Carica monoica Nutrition 0.000 description 1
- 241000287181 Sturnus vulgaris Species 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1086—Drives or transmissions specially adapted therefor
Definitions
- the machine is driven from the electric motor 16 if'necessary by means of gears or the like.
- Shaft 9 is provided with a crank 'v bearing 8 and a crank disk 7 carrying a crankpin 6.
- TheI crank pin 6 is connected by means of rods 5 to T-levers 4, which are pivoted at their apex on a disk 12 and are given an oscillating movement by means of the crank pin 6.
- T-levers 4 There is suiicient looseness in the joints of the pivotal connection ⁇ of the rods 5 to permit slight lateral movement thereof.
- Links 2 pivoted at the front end of projecting arms 8 serve to guide the rock drills in their movement, and an annular sleeve or projecting flange 13 serves to protect the mechanism against falling rocks or the like.
- The' front disk 12 is fastened to a cylinder or drum 10, which is journaled in sleeve 11 mounted on the machine frame, and the said cylinder or drum 10 is given a slow ⁇ rotating movement from motor 16 by means of gears 14, l5.
- Claim-- ⁇ In a rock drilling machine, a plurality of reciprocating drills, a central rotary shaft, a crank at the front end of the latter, a plurality of pivoted T-levers loosely articulated to said crank, and means connecting the free ends of the T-levers to the drills whereby theV latter are reciprocated.
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Earth Drilling (AREA)
Description
Unire-n stares earner carica.
IN'GEBRET BHN, OF SRUMSAND, NORWAY.
ROCK-DRTLLING- MACHINE.
Specication of Letters Patent.
Patented Feb. 22, 1921.
Application led May 20, 1919. Serial No. 298,514.
To all 'whom 'z may concern.'
Be it known that I, INGnnn'r BHN, a subject of the King of Norway, residing at Srumsand, Norway, have invented certain new and useful Improvements in Rock- Drilling Machines; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art` to which itV According to the present invention the rock drills receive their reciprocating movenient from the rotating crank at the front end of a central shaft.
form of the invention is diagrammatically illustrated by an axial section on the drawing. Y
Y The machine is driven from the electric motor 16 if'necessary by means of gears or the like. Shaft 9 is provided with a crank 'v bearing 8 and a crank disk 7 carrying a crankpin 6. TheI crank pin 6 is connected by means of rods 5 to T-levers 4, which are pivoted at their apex on a disk 12 and are given an oscillating movement by means of the crank pin 6. There is suiicient looseness in the joints of the pivotal connection` of the rods 5 to permit slight lateral movement thereof. By the oscillations of the T-levers 4 the rock drills 1, which are connected to the free ends of the T-levers, are given a reciprocating movement. Links 2 pivoted at the front end of projecting arms 8 serve to guide the rock drills in their movement, and an annular sleeve or projecting flange 13 serves to protect the mechanism against falling rocks or the like.-A The' front disk 12 is fastened to a cylinder or drum 10, which is journaled in sleeve 11 mounted on the machine frame, and the said cylinder or drum 10 is given a slow` rotating movement from motor 16 by means of gears 14, l5.
The operation of the machine is exactly similar to the operation of the machine described in applicants above named application, the feeding movement'taking place by driving the carrying wheels from the motor 16.
Claim--` In a rock drilling machine, a plurality of reciprocating drills, a central rotary shaft, a crank at the front end of the latter, a plurality of pivoted T-levers loosely articulated to said crank, and means connecting the free ends of the T-levers to the drills whereby theV latter are reciprocated.
In testimony that I claim the foregoing as my invention, I have signed my name in presence cf twol subscribing witnesses.
INGEBRET'BHN.
Witnesses:
A. I-IEDENCHON,4 MARGARET BUGGE.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US298514A US1369609A (en) | 1919-05-20 | 1919-05-20 | Rock-drilling machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US298514A US1369609A (en) | 1919-05-20 | 1919-05-20 | Rock-drilling machine |
Publications (1)
Publication Number | Publication Date |
---|---|
US1369609A true US1369609A (en) | 1921-02-22 |
Family
ID=23150854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US298514A Expired - Lifetime US1369609A (en) | 1919-05-20 | 1919-05-20 | Rock-drilling machine |
Country Status (1)
Country | Link |
---|---|
US (1) | US1369609A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2798709A (en) * | 1954-10-18 | 1957-07-09 | Joseph P Ruth | Mining machine of the rotary type having reciprocating impact means |
US3052454A (en) * | 1958-12-10 | 1962-09-04 | Joy Mfg Co | Mining apparatus having coring and bursting head swingable in horizontal planes |
EP0066156A1 (en) * | 1981-05-20 | 1982-12-08 | Oy Tampella Ab | Method for cutting a tunnel in rock by means of a rock drilling machine |
-
1919
- 1919-05-20 US US298514A patent/US1369609A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2798709A (en) * | 1954-10-18 | 1957-07-09 | Joseph P Ruth | Mining machine of the rotary type having reciprocating impact means |
US3052454A (en) * | 1958-12-10 | 1962-09-04 | Joy Mfg Co | Mining apparatus having coring and bursting head swingable in horizontal planes |
EP0066156A1 (en) * | 1981-05-20 | 1982-12-08 | Oy Tampella Ab | Method for cutting a tunnel in rock by means of a rock drilling machine |
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