DE3271910D1 - Directional control valve to obtain in a hydraulic appliance the alternative motion of a piston operating to charge and fire a tool, specially suitable for hydraulic hammers - Google Patents

Directional control valve to obtain in a hydraulic appliance the alternative motion of a piston operating to charge and fire a tool, specially suitable for hydraulic hammers

Info

Publication number
DE3271910D1
DE3271910D1 DE8282830014T DE3271910T DE3271910D1 DE 3271910 D1 DE3271910 D1 DE 3271910D1 DE 8282830014 T DE8282830014 T DE 8282830014T DE 3271910 T DE3271910 T DE 3271910T DE 3271910 D1 DE3271910 D1 DE 3271910D1
Authority
DE
Germany
Prior art keywords
control valve
piston
hydraulic
directional control
hammers
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
DE8282830014T
Other languages
English (en)
Inventor
Mauro Vitulano
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of DE3271910D1 publication Critical patent/DE3271910D1/de
Expired legal-status Critical Current

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
    • B25D9/16—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
    • 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
    • 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
    • B25D2209/002—Pressure accumulators
    • 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)
  • Valve Device For Special Equipments (AREA)
  • Fluid-Driven Valves (AREA)
DE8282830014T 1982-01-22 1982-01-22 Directional control valve to obtain in a hydraulic appliance the alternative motion of a piston operating to charge and fire a tool, specially suitable for hydraulic hammers Expired DE3271910D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP82830014A EP0085279B1 (de) 1982-01-22 1982-01-22 Steuerventil für den hin- und herbewegenden Kolben einer hydraulischen Schlagvorrichtung, insbesondere für einen hydraulischen Hammer

Publications (1)

Publication Number Publication Date
DE3271910D1 true DE3271910D1 (en) 1986-08-14

Family

ID=8190099

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282830014T Expired DE3271910D1 (en) 1982-01-22 1982-01-22 Directional control valve to obtain in a hydraulic appliance the alternative motion of a piston operating to charge and fire a tool, specially suitable for hydraulic hammers

Country Status (3)

Country Link
EP (1) EP0085279B1 (de)
AT (1) ATE20647T1 (de)
DE (1) DE3271910D1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2618092B1 (fr) * 1987-07-17 1989-11-10 Montabert Ets Distributeur hydraulique pour appareil a percussions mu par un fluide incompressible sous pression
ES2103711T3 (es) * 1989-10-18 1997-10-01 Mauro Vitulano Metodo para ajustar automaticamente los parametros funcionales de un aparato hidraulico de percusion.
SE9100092D0 (sv) * 1991-01-11 1991-01-11 Aquapact Ab Hydraulisk saenkborrmaskin
FR2676953B1 (fr) * 1991-05-30 1993-08-20 Montabert Ets Appareil hydraulique a percussions.
JP3378029B2 (ja) * 1991-08-08 2003-02-17 丸善工業株式会社 油圧ブレーカ
FI104959B (fi) 1994-06-23 2000-05-15 Sandvik Tamrock Oy Hydraulinen iskuvasara
FI107891B (fi) * 1998-03-30 2001-10-31 Sandvik Tamrock Oy Painenestekäyttöinen iskulaite
IT1312140B1 (it) * 1999-06-22 2002-04-09 Priver Ind Srl Macchina oleodinamica a percussione di concezione innovativafunzionante a pressione idraulica costante.
CN107524419B (zh) * 2017-09-22 2023-07-07 中国石油天然气集团有限公司 液压震击器
US11027403B2 (en) * 2018-06-18 2021-06-08 Caterpillar Inc. Hydraulic hammer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1431835A (fr) * 1965-01-28 1966-03-18 Montabert Ets Appareil à percussions
US3766830A (en) * 1971-03-24 1973-10-23 Montabert Roger Percussion apparatus
FI50307C (fi) * 1974-04-20 1976-02-10 Xandor Ag Hydraulisesti käytetty iskulaite
ZA763554B (en) * 1976-05-03 1977-09-28 Hydroacoustic Inc Impact tools
US4231434A (en) * 1978-02-21 1980-11-04 Justus Edgar J Hydraulic impact device

Also Published As

Publication number Publication date
ATE20647T1 (de) 1986-07-15
EP0085279A1 (de) 1983-08-10
EP0085279B1 (de) 1986-07-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: GRUENECKER, A., DIPL.-ING. KINKELDEY, H., DIPL.-ING. DR.-ING. STOCKMAIR, W., DIPL.-ING. DR.-ING. AE.E. CAL TECH SCHUMANN, K., DIPL.-PHYS. DR.RER.NAT. JAKOB, P., DIPL.-ING. BEZOLD, G., DIPL.-CHEM. DR.RER.NAT. MEISTER, W., DIPL.-ING. HILGERS, H., DIPL.-ING. MEYER-PLATH, H., DIPL.-ING. DR.-ING. EHNOLD, A., DIPL.-ING. SCHUSTER, T., DIPL.-PHYS. GOLDBACH, K., DIPL.-ING.DR.-ING. AUFENANGER, M., DIPL.-ING. KLITZSCH, G., DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN