DE58903575D1 - METHOD FOR OPERATING HYDRAULIC FREE-FALL Ramming Hammers, AND CONTROL DEVICE THEREFOR. - Google Patents

METHOD FOR OPERATING HYDRAULIC FREE-FALL Ramming Hammers, AND CONTROL DEVICE THEREFOR.

Info

Publication number
DE58903575D1
DE58903575D1 DE8989105201T DE58903575T DE58903575D1 DE 58903575 D1 DE58903575 D1 DE 58903575D1 DE 8989105201 T DE8989105201 T DE 8989105201T DE 58903575 T DE58903575 T DE 58903575T DE 58903575 D1 DE58903575 D1 DE 58903575D1
Authority
DE
Germany
Prior art keywords
fall
control device
device therefor
operating hydraulic
hydraulic free
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 - Fee Related
Application number
DE8989105201T
Other languages
German (de)
Inventor
Hans Kuehn
Jochen Ruesen
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.)
Menck GmbH
Original Assignee
Menck GmbH
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 Menck GmbH filed Critical Menck GmbH
Application granted granted Critical
Publication of DE58903575D1 publication Critical patent/DE58903575D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/02—Placing by driving
    • E02D7/06—Power-driven drivers
    • E02D7/10—Power-driven drivers with pressure-actuated hammer, i.e. the pressure fluid acting directly on the hammer structure
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
DE8989105201T 1989-03-23 1989-03-23 METHOD FOR OPERATING HYDRAULIC FREE-FALL Ramming Hammers, AND CONTROL DEVICE THEREFOR. Expired - Fee Related DE58903575D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19890105201 EP0388497B1 (en) 1989-03-23 1989-03-23 Process for operating a free-fall hydraulic hammer, and controlling equipment therefor

Publications (1)

Publication Number Publication Date
DE58903575D1 true DE58903575D1 (en) 1993-03-25

Family

ID=8201131

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8989105201T Expired - Fee Related DE58903575D1 (en) 1989-03-23 1989-03-23 METHOD FOR OPERATING HYDRAULIC FREE-FALL Ramming Hammers, AND CONTROL DEVICE THEREFOR.

Country Status (2)

Country Link
EP (1) EP0388497B1 (en)
DE (1) DE58903575D1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0675233B1 (en) * 1992-08-19 1998-12-16 Aktsionernoe Obschestvo Zakrytogo Tipa "Rossiiskaya Patentovannaya Tekhnika" (Ropat) Hydraulic pile driver
JP6757682B2 (en) * 2017-02-24 2020-09-23 古河ロックドリル株式会社 Hydraulic striking device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH629868A5 (en) * 1978-05-11 1982-05-14 Losinger Ag Hydraulic pile hammer
GB2062124B (en) * 1979-10-22 1983-10-05 Secretary Industry Brit Fluid driven oscillator and hammer device
JPS56135629A (en) * 1980-03-26 1981-10-23 Hitachi Constr Mach Co Ltd Oil-pressure type drop hammer

Also Published As

Publication number Publication date
EP0388497B1 (en) 1993-02-17
EP0388497A1 (en) 1990-09-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: MENCK GMBH, 25479 ELLERAU, DE

8339 Ceased/non-payment of the annual fee