ES458572A1 - Hydraulic drive - Google Patents
Hydraulic driveInfo
- Publication number
- ES458572A1 ES458572A1 ES458572A ES458572A ES458572A1 ES 458572 A1 ES458572 A1 ES 458572A1 ES 458572 A ES458572 A ES 458572A ES 458572 A ES458572 A ES 458572A ES 458572 A1 ES458572 A1 ES 458572A1
- Authority
- ES
- Spain
- Prior art keywords
- hole
- tool
- piston
- elongated hole
- hydraulic drive
- 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
Links
- 239000012530 fluid Substances 0.000 abstract 2
- 238000009527 percussion Methods 0.000 abstract 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/20—Mineral freed by means not involving slitting
- E21C27/28—Mineral freed by means not involving slitting by percussive drills with breaking-down means, e.g. wedge-shaped tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
- B25D9/06—Means for driving the impulse member
- B25D9/12—Means for driving the impulse member comprising a built-in liquid motor, i.e. the tool being driven by hydraulic pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
- B25D9/14—Control devices for the reciprocating piston
- B25D9/145—Control devices for the reciprocating piston for hydraulically actuated hammers having an accumulator
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B6/00—Drives for drilling with combined rotary and percussive action
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C1/00—Reciprocating-piston liquid engines
- F03C1/007—Reciprocating-piston liquid engines with single cylinder, double-acting piston
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Combustion & Propulsion (AREA)
- Percussive Tools And Related Accessories (AREA)
- Earth Drilling (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
Improvements in pneumatic percussion tools, of the type comprising a body having an elongated hole with an end adapted to receive a part of a tool in its interior, whose tool extends to the outside of said body, a piston displaceable alternately within of said hole to supply impacts to said tool, a set of steps having at least a part inside said body to allow the hydraulic fluid to cause the reciprocating movement of said piston, said part of the fluid passages arranging less a chamber located laterally and outward of said hole with an open area on the outer surface of said body and also a housing having an elongated hole therein. (Machine-translation by Google Translate, not legally binding)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US68082276A | 1976-04-28 | 1976-04-28 | |
| US68082376A | 1976-04-28 | 1976-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES458572A1 true ES458572A1 (en) | 1978-10-16 |
Family
ID=27102528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES458572A Expired ES458572A1 (en) | 1976-04-28 | 1977-04-28 | Hydraulic drive |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS52133001A (en) |
| AU (1) | AU520326B2 (en) |
| BR (1) | BR7702614A (en) |
| DE (1) | DE2719002A1 (en) |
| ES (1) | ES458572A1 (en) |
| FI (1) | FI771344A (en) |
| FR (1) | FR2349747A1 (en) |
| GB (1) | GB1588525A (en) |
| IT (1) | IT1076743B (en) |
| MX (1) | MX147859A (en) |
| SE (1) | SE7704440L (en) |
| SU (1) | SU784805A3 (en) |
| YU (1) | YU109877A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8606645D0 (en) * | 1986-03-18 | 1986-04-23 | Dowty Mining Machinery Ltd | Rock drill assembly |
| SE535149C2 (en) * | 2010-08-31 | 2012-05-02 | Atlas Copco Rock Drills Ab | Hydraulic percussion for use in rock or concrete cutting equipment |
| SE536289C2 (en) * | 2011-04-05 | 2013-08-06 | Atlas Copco Rock Drills Ab | Hydraulic percussion for rock or concrete cutting equipment as well as drilling and breaking equipment |
| SE535757C2 (en) * | 2011-04-05 | 2012-12-11 | Atlas Copco Rock Drills Ab | Device and method for rock and concrete machining |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1579334A (en) * | 1968-09-06 | 1969-08-22 | ||
| US3592109A (en) * | 1969-03-05 | 1971-07-13 | Chance Co Ab | Reciprocating fluid motor |
| US3701386A (en) * | 1970-12-11 | 1972-10-31 | Dresser Ind | Hydraulic drifter |
| GB1450972A (en) * | 1974-06-11 | 1976-09-29 | Klemm G | Percussive tool |
| FR2279962A1 (en) * | 1974-07-26 | 1976-02-20 | Zahnradfabrik Friedrichshafen | Hydrostatic automobile steering system distributor - has large and small section throttle points on slide control ridges (SW160276) |
| US4026193A (en) * | 1974-09-19 | 1977-05-31 | Raymond International Inc. | Hydraulically driven hammer system |
| CA1071946A (en) * | 1975-10-24 | 1980-02-19 | George A. Hibbard | Rock drill |
-
1977
- 1977-04-18 AU AU24388/77A patent/AU520326B2/en not_active Expired
- 1977-04-19 SE SE7704440A patent/SE7704440L/en not_active Application Discontinuation
- 1977-04-20 GB GB1636277A patent/GB1588525A/en not_active Expired
- 1977-04-25 MX MX16888277A patent/MX147859A/en unknown
- 1977-04-26 BR BR7702614A patent/BR7702614A/en unknown
- 1977-04-27 FI FI771344A patent/FI771344A/fi unknown
- 1977-04-27 FR FR7712682A patent/FR2349747A1/en not_active Withdrawn
- 1977-04-28 YU YU109877A patent/YU109877A/en unknown
- 1977-04-28 ES ES458572A patent/ES458572A1/en not_active Expired
- 1977-04-28 DE DE19772719002 patent/DE2719002A1/en not_active Withdrawn
- 1977-04-28 SU SU772477061A patent/SU784805A3/en active
- 1977-04-28 JP JP4977977A patent/JPS52133001A/en active Pending
- 1977-04-28 IT IT2293077A patent/IT1076743B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| MX147859A (en) | 1983-01-25 |
| JPS52133001A (en) | 1977-11-08 |
| IT1076743B (en) | 1985-04-27 |
| GB1588525A (en) | 1981-04-23 |
| YU109877A (en) | 1983-01-21 |
| DE2719002A1 (en) | 1977-11-10 |
| FR2349747A1 (en) | 1977-11-25 |
| AU520326B2 (en) | 1982-01-28 |
| FI771344A (en) | 1977-10-29 |
| SU784805A3 (en) | 1980-11-30 |
| SE7704440L (en) | 1977-10-29 |
| AU2438877A (en) | 1978-10-26 |
| BR7702614A (en) | 1978-02-28 |
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