ZA722588B - Hydraulic percussive implement - Google Patents

Hydraulic percussive implement

Info

Publication number
ZA722588B
ZA722588B ZA722588A ZA722588A ZA722588B ZA 722588 B ZA722588 B ZA 722588B ZA 722588 A ZA722588 A ZA 722588A ZA 722588 A ZA722588 A ZA 722588A ZA 722588 B ZA722588 B ZA 722588B
Authority
ZA
South Africa
Prior art keywords
hydraulic percussive
implement
percussive implement
hydraulic
percussive
Prior art date
Application number
ZA722588A
Other languages
English (en)
Inventor
L Reynold
D James
Original Assignee
Hydraulics A 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 Hydraulics A Ltd filed Critical Hydraulics A Ltd
Publication of ZA722588B publication Critical patent/ZA722588B/xx

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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Safety Valves (AREA)
  • Fluid-Damping Devices (AREA)
ZA722588A 1971-05-11 1972-04-17 Hydraulic percussive implement ZA722588B (en)

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
ZA722588B true ZA722588B (en) 1973-01-31

Family

ID=10037084

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA722588A ZA722588B (en) 1971-05-11 1972-04-17 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)

Families Citing this family (9)

* 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
SE536289C2 (sv) 2011-04-05 2013-08-06 Atlas Copco Rock Drills Ab Hydrauliska slagverk för berg- eller betongavverkande utrustning samt borr- och brytutrustning
SE536758C2 (sv) * 2012-11-28 2014-07-15 Atlas Copco Rock Drills Ab Slagverk till en hydraulisk bergborrmaskin, förfarande för drift av ett slagverk och hydraulisk bergborrmaskin inkluderande ett slagverk
US10493610B2 (en) 2014-01-31 2019-12-03 Furukawa Rock Drill Co., Ltd. Hydraulic hammering device
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

Also Published As

Publication number Publication date
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
GB1396307A (en) 1975-06-04
IT958825B (it) 1973-10-30
FR2139398A5 (enExample) 1973-01-05

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