ZA8523B - Hydraulically actuated percussion device - Google Patents

Hydraulically actuated percussion device

Info

Publication number
ZA8523B
ZA8523B ZA8523A ZA8523A ZA8523B ZA 8523 B ZA8523 B ZA 8523B ZA 8523 A ZA8523 A ZA 8523A ZA 8523 A ZA8523 A ZA 8523A ZA 8523 B ZA8523 B ZA 8523B
Authority
ZA
South Africa
Prior art keywords
valve
piston
bore
duct
collar
Prior art date
Application number
ZA8523A
Other languages
English (en)
Inventor
Wilhelm Rode
Original Assignee
Mannesmann Ag
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 Mannesmann Ag filed Critical Mannesmann Ag
Publication of ZA8523B publication Critical patent/ZA8523B/xx

Links

Classifications

    • 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
    • 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
    • B25D9/16—Valve arrangements therefor
    • B25D9/20—Valve arrangements therefor involving a tubular-type slide valve
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2209/00—Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D2209/005—Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously having a tubular-slide valve, which is coaxial with the piston

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Manufacture Of Iron (AREA)
  • Actuator (AREA)
ZA8523A 1984-01-03 1985-01-02 Hydraulically actuated percussion device ZA8523B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843400302 DE3400302A1 (de) 1984-01-03 1984-01-03 Hydraulisch betaetigte schlagvorrichtung

Publications (1)

Publication Number Publication Date
ZA8523B true ZA8523B (en) 1985-11-27

Family

ID=6224426

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA8523A ZA8523B (en) 1984-01-03 1985-01-02 Hydraulically actuated percussion device

Country Status (7)

Country Link
US (1) US4635531A (ja)
EP (1) EP0149967B1 (ja)
JP (1) JPS60150975A (ja)
AT (1) ATE37315T1 (ja)
DE (2) DE3400302A1 (ja)
FI (1) FI844848L (ja)
ZA (1) ZA8523B (ja)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4858701A (en) * 1987-11-30 1989-08-22 Weyer Paul P Fluid-powered impact device and tool therefor
DE58903827D1 (de) * 1989-03-23 1993-04-22 Menck Gmbh Hydraulikventilkombination fuer rammhaemmer.
FR2676953B1 (fr) * 1991-05-30 1993-08-20 Montabert Ets Appareil hydraulique a percussions.
DE69305839T2 (de) * 1992-01-21 1997-05-07 Bsp Int Foundation Ventilsteuervorrichtung
DE19652079C2 (de) 1996-12-14 1999-02-25 Krupp Berco Bautechnik Gmbh Fluidbetriebenes Schlagwerk
AT407919B (de) * 1998-01-19 2001-07-25 Boehler Pneumatik Internat Gmb Pneumatisch oder hydraulisch betreibbarer hammer und verwendung des hammers zum offenstellen oder zum verschliessen einer abstichöffnung eines metallurgischen gefässes
GB9802034D0 (en) * 1998-01-31 1998-03-25 Caldervale Engineering Service Fluid actuated tool
DE19804078A1 (de) * 1998-02-03 1999-08-05 Krupp Berco Bautechnik Gmbh Fluidbetriebenes Schlagwerk
FI107891B (fi) * 1998-03-30 2001-10-31 Sandvik Tamrock Oy Painenestekäyttöinen iskulaite
SE522213C2 (sv) * 2000-05-31 2004-01-20 Morphic Technologies Ab Hydrauliskt slag/anpressningsanordning
FR2811601B1 (fr) 2000-07-13 2002-10-11 Montabert Ets Appareil hydraulique a percussions
FR2811602B1 (fr) 2000-07-13 2002-10-11 Montabert Ets Appareil hydraulique a percussions
SE528033C2 (sv) * 2004-03-12 2006-08-15 Atlas Copco Constr Tools Ab Hydraulslagverk
FI119398B (fi) * 2006-12-21 2008-10-31 Sandvik Mining & Constr Oy Iskulaite
AT511810B1 (de) * 2011-09-27 2013-03-15 Tmt Bbg Res And Dev Gmbh Schlagwerk für eine hammereinrichtung und verfahren zum offenstellen einer abstichöffnung
ITBA20120055A1 (it) * 2012-09-24 2014-03-25 Tecna Group Srl Demolitore per escavatori con pistone e circuito idraulico ottimizzato
SE537608C2 (sv) * 2013-11-01 2015-07-28 Tools Pc Ab Const Pneumatisk slaganordning och förfarande vid pneumatisk slaganordning
CN103726783A (zh) * 2013-11-28 2014-04-16 江麓机电集团有限公司 一种新型套阀式液压冲击机构
US9840000B2 (en) * 2014-12-17 2017-12-12 Caterpillar Inc. Hydraulic hammer having variable stroke control
US20160221171A1 (en) * 2015-02-02 2016-08-04 Caterpillar Inc. Hydraulic hammer having dual valve acceleration control system
US20170157759A1 (en) * 2015-12-08 2017-06-08 Caterpillar Inc. Dust Clearing Tool

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE848779C (de) * 1944-10-03 1952-09-08 Chicago Pneumatic Tool Co Pneumatischer Gesteinsbohrer oder aehnliches Schlagwerkzeug mit einem ringfoermigen,in einem Gehaeuse sich axial hin- und herbewegenden Verteilerventil
FR1431835A (fr) * 1965-01-28 1966-03-18 Montabert Ets Appareil à percussions
FI50390C (fi) * 1973-09-14 1976-03-10 Murskauskone Oy Hydraulisesti käytetty iskulaite
FI50307C (fi) * 1974-04-20 1976-02-10 Xandor Ag Hydraulisesti käytetty iskulaite
FI50941C (fi) * 1974-04-25 1976-09-10 Tampella Oy Ab Paineenalaisen nesteen avulla käytettävä iskulaite.
US4011795A (en) * 1975-03-24 1977-03-15 Schroeder Brothers Corporation Impact tool
FI751895A (ja) * 1975-06-26 1976-12-27 Xandor Ag
US3986567A (en) * 1975-12-08 1976-10-19 Vasily Borisovich Pototsky Hydraulic percussive-rotary machine
ZA763554B (en) * 1976-05-03 1977-09-28 Hydroacoustic Inc Impact tools
BE850812R (fr) * 1976-06-24 1977-05-16 Ingersoll Rand Co Dispositifs d'actionnement hydrauliques
FR2369908A1 (fr) * 1976-11-08 1978-06-02 Montabert Roger Appareil a percussions hydraulique

Also Published As

Publication number Publication date
DE3400302A1 (de) 1985-08-29
FI844848A0 (fi) 1984-12-07
US4635531A (en) 1987-01-13
ATE37315T1 (de) 1988-10-15
DE3474120D1 (en) 1988-10-27
JPS60150975A (ja) 1985-08-08
EP0149967B1 (de) 1988-09-21
EP0149967A1 (de) 1985-07-31
DE3400302C2 (ja) 1988-01-07
FI844848L (fi) 1985-07-04

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