GB1588525A - Hydraulic drive - Google Patents
Hydraulic drive Download PDFInfo
- Publication number
- GB1588525A GB1588525A GB1636277A GB1636277A GB1588525A GB 1588525 A GB1588525 A GB 1588525A GB 1636277 A GB1636277 A GB 1636277A GB 1636277 A GB1636277 A GB 1636277A GB 1588525 A GB1588525 A GB 1588525A
- Authority
- GB
- United Kingdom
- Prior art keywords
- piston
- chamber
- portions
- fluid
- 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 claims description 231
- 238000004891 communication Methods 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 17
- 238000007599 discharging Methods 0.000 claims description 16
- 230000002093 peripheral effect Effects 0.000 claims description 16
- 230000004323 axial length Effects 0.000 claims description 8
- 230000001419 dependent effect Effects 0.000 claims description 8
- 238000013461 design Methods 0.000 claims description 8
- 230000007423 decrease Effects 0.000 claims description 7
- 239000011435 rock Substances 0.000 claims description 7
- 238000005553 drilling Methods 0.000 claims description 5
- 230000002441 reversible effect Effects 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 4
- 230000007935 neutral effect Effects 0.000 claims description 4
- 238000012546 transfer Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 230000001351 cycling effect Effects 0.000 claims description 2
- 230000000977 initiatory effect Effects 0.000 claims description 2
- 238000012986 modification Methods 0.000 claims description 2
- 230000004048 modification Effects 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims description 2
- 238000005293 physical law Methods 0.000 claims description 2
- 239000000543 intermediate Substances 0.000 claims 15
- 238000009527 percussion Methods 0.000 description 11
- 230000035508 accumulation Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 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)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Percussive Tools And Related Accessories (AREA)
- Earth Drilling (AREA)
- Details Of Reciprocating Pumps (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US68082376A | 1976-04-28 | 1976-04-28 | |
US68082276A | 1976-04-28 | 1976-04-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1588525A true GB1588525A (en) | 1981-04-23 |
Family
ID=27102528
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1636277A Expired GB1588525A (en) | 1976-04-28 | 1977-04-20 | Hydraulic drive |
Country Status (13)
Country | Link |
---|---|
JP (1) | JPS52133001A (xx) |
AU (1) | AU520326B2 (xx) |
BR (1) | BR7702614A (xx) |
DE (1) | DE2719002A1 (xx) |
ES (1) | ES458572A1 (xx) |
FI (1) | FI771344A (xx) |
FR (1) | FR2349747A1 (xx) |
GB (1) | GB1588525A (xx) |
IT (1) | IT1076743B (xx) |
MX (1) | MX147859A (xx) |
SE (1) | SE7704440L (xx) |
SU (1) | SU784805A3 (xx) |
YU (1) | YU109877A (xx) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2189423A (en) * | 1986-03-18 | 1987-10-28 | Dowty Mining Equipment Ltd | Rock drill assemblies |
WO2012030272A1 (en) * | 2010-08-31 | 2012-03-08 | Atlas Copco Rock Drills Ab | Hydraulic impact mechanism for use in equipment for treating rock and concrete |
WO2012138288A1 (en) * | 2011-04-05 | 2012-10-11 | Atlas Copco Rock Drills Ab | Device and method for rock- and concrete machining |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE536289C2 (sv) * | 2011-04-05 | 2013-08-06 | Atlas Copco Rock Drills Ab | Hydrauliska slagverk för berg- eller betongavverkande utrustning samt borr- och brytutrustning |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1579334A (xx) * | 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 (fr) * | 1974-07-26 | 1976-02-20 | Zahnradfabrik Friedrichshafen | Distributeur, notamment pour mecanismes de direction hydrostatiques de vehicules automobiles |
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/ not_active Application Discontinuation
- 1977-04-20 GB GB1636277A patent/GB1588525A/en not_active Expired
- 1977-04-25 MX MX16888277A patent/MX147859A/es unknown
- 1977-04-26 BR BR7702614A patent/BR7702614A/pt unknown
- 1977-04-27 FI FI771344A patent/FI771344A/fi unknown
- 1977-04-27 FR FR7712682A patent/FR2349747A1/fr not_active Withdrawn
- 1977-04-28 ES ES458572A patent/ES458572A1/es not_active Expired
- 1977-04-28 IT IT2293077A patent/IT1076743B/it active
- 1977-04-28 YU YU109877A patent/YU109877A/xx unknown
- 1977-04-28 DE DE19772719002 patent/DE2719002A1/de not_active Withdrawn
- 1977-04-28 JP JP4977977A patent/JPS52133001A/ja active Pending
- 1977-04-28 SU SU772477061A patent/SU784805A3/ru active
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2189423A (en) * | 1986-03-18 | 1987-10-28 | Dowty Mining Equipment Ltd | Rock drill assemblies |
WO2012030272A1 (en) * | 2010-08-31 | 2012-03-08 | Atlas Copco Rock Drills Ab | Hydraulic impact mechanism for use in equipment for treating rock and concrete |
CN103079769A (zh) * | 2010-08-31 | 2013-05-01 | 阿特拉斯·科普柯凿岩设备有限公司 | 使用在用于处理岩石和混凝土的设备中的液压冲击机构 |
AU2011296596B2 (en) * | 2010-08-31 | 2015-04-23 | Epiroc Rock Drills Aktiebolag | Hydraulic impact mechanism for use in equipment for treating rock and concrete |
CN103079769B (zh) * | 2010-08-31 | 2015-11-25 | 阿特拉斯·科普柯凿岩设备有限公司 | 使用在用于处理岩石和混凝土的设备中的液压冲击机构 |
US9289889B2 (en) | 2010-08-31 | 2016-03-22 | Atlas Copco Rock Drills Ab | Hydraulic impact mechanism for use in equipment for treating rock and concrete |
WO2012138288A1 (en) * | 2011-04-05 | 2012-10-11 | Atlas Copco Rock Drills Ab | Device and method for rock- and concrete machining |
Also Published As
Publication number | Publication date |
---|---|
IT1076743B (it) | 1985-04-27 |
SU784805A3 (ru) | 1980-11-30 |
AU2438877A (en) | 1978-10-26 |
AU520326B2 (en) | 1982-01-28 |
BR7702614A (pt) | 1978-02-28 |
SE7704440L (sv) | 1977-10-29 |
DE2719002A1 (de) | 1977-11-10 |
YU109877A (en) | 1983-01-21 |
MX147859A (es) | 1983-01-25 |
FR2349747A1 (fr) | 1977-11-25 |
JPS52133001A (en) | 1977-11-08 |
FI771344A (xx) | 1977-10-29 |
ES458572A1 (es) | 1978-10-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |