GB1588525A - Hydraulic drive - Google Patents

Hydraulic drive Download PDF

Info

Publication number
GB1588525A
GB1588525A GB16362/77A GB1636277A GB1588525A GB 1588525 A GB1588525 A GB 1588525A GB 16362/77 A GB16362/77 A GB 16362/77A 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
Application number
GB16362/77A
Other languages
English (en)
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.)
Joy Manufacturing Co
Original Assignee
Joy Manufacturing 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 Joy Manufacturing Co filed Critical Joy Manufacturing Co
Publication of GB1588525A publication Critical patent/GB1588525A/en
Expired legal-status Critical Current

Links

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)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Earth Drilling (AREA)
  • Details Of Reciprocating Pumps (AREA)
GB16362/77A 1976-04-28 1977-04-20 Hydraulic drive Expired GB1588525A (en)

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
GB16362/77A Expired GB1588525A (en) 1976-04-28 1977-04-20 Hydraulic drive

Country Status (13)

Country Link
JP (1) JPS52133001A (enrdf_load_stackoverflow)
AU (1) AU520326B2 (enrdf_load_stackoverflow)
BR (1) BR7702614A (enrdf_load_stackoverflow)
DE (1) DE2719002A1 (enrdf_load_stackoverflow)
ES (1) ES458572A1 (enrdf_load_stackoverflow)
FI (1) FI771344A7 (enrdf_load_stackoverflow)
FR (1) FR2349747A1 (enrdf_load_stackoverflow)
GB (1) GB1588525A (enrdf_load_stackoverflow)
IT (1) IT1076743B (enrdf_load_stackoverflow)
MX (1) MX147859A (enrdf_load_stackoverflow)
SE (1) SE7704440L (enrdf_load_stackoverflow)
SU (1) SU784805A3 (enrdf_load_stackoverflow)
YU (1) YU109877A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
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
CN115949647A (zh) * 2022-12-28 2023-04-11 湖南五新隧道智能装备股份有限公司 一种压差换向的冲击油缸

Families Citing this family (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1579334A (enrdf_load_stackoverflow) * 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

Cited By (8)

* Cited by examiner, † Cited by third party
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
CN115949647A (zh) * 2022-12-28 2023-04-11 湖南五新隧道智能装备股份有限公司 一种压差换向的冲击油缸

Also Published As

Publication number Publication date
FI771344A7 (enrdf_load_stackoverflow) 1977-10-29
MX147859A (es) 1983-01-25
DE2719002A1 (de) 1977-11-10
SE7704440L (sv) 1977-10-29
ES458572A1 (es) 1978-10-16
BR7702614A (pt) 1978-02-28
AU520326B2 (en) 1982-01-28
AU2438877A (en) 1978-10-26
FR2349747A1 (fr) 1977-11-25
IT1076743B (it) 1985-04-27
SU784805A3 (ru) 1980-11-30
YU109877A (en) 1983-01-21
JPS52133001A (en) 1977-11-08

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee