GB2076718B - Hydraulic drop hammer - Google Patents

Hydraulic drop hammer

Info

Publication number
GB2076718B
GB2076718B GB8108157A GB8108157A GB2076718B GB 2076718 B GB2076718 B GB 2076718B GB 8108157 A GB8108157 A GB 8108157A GB 8108157 A GB8108157 A GB 8108157A GB 2076718 B GB2076718 B GB 2076718B
Authority
GB
United Kingdom
Prior art keywords
drop hammer
hydraulic drop
hydraulic
hammer
drop
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
GB8108157A
Other languages
English (en)
Other versions
GB2076718A (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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co 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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Publication of GB2076718A publication Critical patent/GB2076718A/en
Application granted granted Critical
Publication of GB2076718B publication Critical patent/GB2076718B/en
Expired 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
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
    • B21J7/20—Drives for hammers; Transmission means therefor
    • B21J7/36—Drives for hammers; Transmission means therefor for drop hammers
    • B21J7/40—Drives for hammers; Transmission means therefor for drop hammers driven by hydraulic or liquid pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (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)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
  • Forging (AREA)
  • Percussive Tools And Related Accessories (AREA)
GB8108157A 1980-03-26 1981-03-16 Hydraulic drop hammer Expired GB2076718B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3738980A JPS56135629A (en) 1980-03-26 1980-03-26 Oil-pressure type drop hammer

Publications (2)

Publication Number Publication Date
GB2076718A GB2076718A (en) 1981-12-09
GB2076718B true GB2076718B (en) 1983-03-16

Family

ID=12496166

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8108157A Expired GB2076718B (en) 1980-03-26 1981-03-16 Hydraulic drop hammer

Country Status (2)

Country Link
JP (1) JPS56135629A (enrdf_load_stackoverflow)
GB (1) GB2076718B (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0388497B1 (de) * 1989-03-23 1993-02-17 Menck Gmbh Verfahren zum Betrieb von hydraulischen Freifall-Ramm-hämmern und Steuervorrichtung dazu
DE102004023587A1 (de) * 2004-05-13 2005-12-08 Menck Gmbh Schlagmedium
USD663632S1 (en) 2010-08-30 2012-07-17 Kimberly-Clark Worldwide, Inc. Wet wipe dispenser
DE102015105172B4 (de) 2015-04-02 2023-05-04 Langenstein & Schemann Gmbh Schmiedehammer
GB2551774B (en) * 2016-06-30 2019-02-20 Dawson Const Plant Ltd Pile Hammer
CN108126998A (zh) * 2017-12-31 2018-06-08 戚天儿 一种新型冶金塑形用机械臂装置
CN119657806B (zh) * 2025-02-20 2025-05-16 山西宝恒佳特种材料制造有限公司 一种高效圆钢锻造模具

Also Published As

Publication number Publication date
GB2076718A (en) 1981-12-09
JPS6138286B2 (enrdf_load_stackoverflow) 1986-08-28
JPS56135629A (en) 1981-10-23

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Legal Events

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

Effective date: 19950316