GB1396307A - Hydraulic percussive implement - Google Patents

Hydraulic percussive implement

Info

Publication number
GB1396307A
GB1396307A GB1421271A GB1421271A GB1396307A GB 1396307 A GB1396307 A GB 1396307A GB 1421271 A GB1421271 A GB 1421271A GB 1421271 A GB1421271 A GB 1421271A GB 1396307 A GB1396307 A GB 1396307A
Authority
GB
United Kingdom
Prior art keywords
liquid
chamber
valve
piston
conduit
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
GB1421271A
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.)
AF Hydraulics Ltd
Original Assignee
AF Hydraulics Ltd
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 AF Hydraulics Ltd filed Critical AF Hydraulics Ltd
Priority to GB1421271A priority Critical patent/GB1396307A/en
Priority to ZA722588A priority patent/ZA722588B/xx
Priority to US249223A priority patent/US3887019A/en
Priority to AU41735/72A priority patent/AU462813B2/en
Priority to CA140,953A priority patent/CA951996A/en
Priority to SE7205997A priority patent/SE397787B/xx
Priority to IT68451/72A priority patent/IT958825B/it
Priority to SU1789159A priority patent/SU495810A3/ru
Priority to FR7216646A priority patent/FR2139398A5/fr
Priority to DE2223292A priority patent/DE2223292C3/de
Publication of GB1396307A publication Critical patent/GB1396307A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L27/00—Distribution or expansion valve-gear peculiar to free-piston machines or engines and not provided for in F01L21/00 - F01L25/00
    • F01L27/04—Delayed-action controls, e.g. of cataract or dashpot type
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L25/00—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means
    • F01L25/02—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means
    • F01L25/04—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means by working-fluid of machine or engine, e.g. free-piston machine
    • 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
    • F03C1/0073—Reciprocating-piston liquid engines with single cylinder, double-acting piston one side of the double-acting piston being always under the influence of the liquid under pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Safety Valves (AREA)
  • Fluid-Damping Devices (AREA)
GB1421271A 1971-05-11 1971-05-11 Hydraulic percussive implement Expired GB1396307A (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
GB1421271A GB1396307A (en) 1971-05-11 1971-05-11 Hydraulic percussive implement
ZA722588A ZA722588B (en) 1971-05-11 1972-04-17 Hydraulic percussive implement
US249223A US3887019A (en) 1971-05-11 1972-05-01 Hydraulic percussive implement
AU41735/72A AU462813B2 (en) 1971-05-11 1972-05-01 Hydraulic percussive implement
CA140,953A CA951996A (en) 1971-05-11 1972-05-01 Hydraulic percussive implement
SE7205997A SE397787B (sv) 1971-05-11 1972-05-05 Hydrauliskt drivet stotverktyg
IT68451/72A IT958825B (it) 1971-05-11 1972-05-09 Attrezzo idraulico a percussione
SU1789159A SU495810A3 (ru) 1971-05-11 1972-05-10 Гидравлическое ударное устройство
FR7216646A FR2139398A5 (enExample) 1971-05-11 1972-05-10
DE2223292A DE2223292C3 (de) 1971-05-11 1972-05-12 Hydraulisch betätigbares Schlaggerät

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1421271A GB1396307A (en) 1971-05-11 1971-05-11 Hydraulic percussive implement

Publications (1)

Publication Number Publication Date
GB1396307A true GB1396307A (en) 1975-06-04

Family

ID=10037084

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1421271A Expired GB1396307A (en) 1971-05-11 1971-05-11 Hydraulic percussive implement

Country Status (9)

Country Link
AU (1) AU462813B2 (enExample)
CA (1) CA951996A (enExample)
DE (1) DE2223292C3 (enExample)
FR (1) FR2139398A5 (enExample)
GB (1) GB1396307A (enExample)
IT (1) IT958825B (enExample)
SE (1) SE397787B (enExample)
SU (1) SU495810A3 (enExample)
ZA (1) ZA722588B (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014084772A1 (en) 2012-11-28 2014-06-05 Atlas Copco Rock Drills Ab Percussion device for a hydraulic rock drilling machine, method of operation of a percussion device and hydraulic rock drilling machine including a persussion device
EP3100828A4 (en) * 2014-01-31 2017-07-26 Furukawa Rock Drill Co., Ltd. Hydraulic hammering device
US9724813B2 (en) 2011-04-05 2017-08-08 Atlas Copco Rock Drills Ab Device for rock and-concrete machining

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1480753A (en) * 1974-11-14 1977-07-27 Hydraulics Ltd A Hydraulically-operated devices
GB2117845B (en) * 1982-04-03 1985-08-29 Af Hydraulics Hydraulic percussive apparatus
CA1259232A (en) * 1986-12-24 1989-09-12 Nikolai P. Ermilov Percussive tool
FR2609661B1 (fr) * 1987-01-20 1989-05-26 Sp K Bjur Dispositif a action percussive
CH711414A1 (de) * 2015-08-13 2017-02-15 Hatebur Umformmaschinen Ag Vorrichtung zur Erzeugung impulsdynamischer Prozesskräfte.
CN115899151B (zh) * 2022-12-05 2024-08-13 山东科技大学 一种锤式破碎机用抗冲击式双向缓冲装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9724813B2 (en) 2011-04-05 2017-08-08 Atlas Copco Rock Drills Ab Device for rock and-concrete machining
WO2014084772A1 (en) 2012-11-28 2014-06-05 Atlas Copco Rock Drills Ab Percussion device for a hydraulic rock drilling machine, method of operation of a percussion device and hydraulic rock drilling machine including a persussion device
EP3100828A4 (en) * 2014-01-31 2017-07-26 Furukawa Rock Drill Co., Ltd. Hydraulic hammering device
US10493610B2 (en) 2014-01-31 2019-12-03 Furukawa Rock Drill Co., Ltd. Hydraulic hammering device

Also Published As

Publication number Publication date
ZA722588B (en) 1973-01-31
AU4173572A (en) 1973-12-20
DE2223292B2 (de) 1977-10-13
SU495810A3 (ru) 1975-12-15
CA951996A (en) 1974-07-30
AU462813B2 (en) 1975-07-10
DE2223292A1 (de) 1972-11-23
DE2223292C3 (de) 1978-06-08
SE397787B (sv) 1977-11-21
IT958825B (it) 1973-10-30
FR2139398A5 (enExample) 1973-01-05

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee