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 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 (en)
GB (1) GB2076718B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE58903575D1 (en) * 1989-03-23 1993-03-25 Menck Gmbh METHOD FOR OPERATING HYDRAULIC FREE-FALL Ramming Hammers, AND CONTROL DEVICE THEREFOR.
DE102004023587A1 (en) * 2004-05-13 2005-12-08 Menck Gmbh blow medium
DE102015105172B4 (en) * 2015-04-02 2023-05-04 Langenstein & Schemann Gmbh blacksmith hammer
GB2551774B (en) * 2016-06-30 2019-02-20 Dawson Const Plant Ltd Pile Hammer
CN108126998A (en) * 2017-12-31 2018-06-08 戚天儿 A kind of novel metallurgical is moulding to use robot arm device

Also Published As

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

Similar Documents

Publication Publication Date Title
DE3162371D1 (en) Drill hammer
GB8407095D0 (en) Drill
GB2085054B (en) Improved hydraulic jarring tool
JPS5767051A (en) Hydraulic composition
JPS57102778A (en) Hammer drill
GB2068794B (en) Self-colleting drill
JPS56152590A (en) Hammer
JPS5759139A (en) Hydraulic plant
JPS5711867A (en) Hydraulic composition
DE3170268D1 (en) Improved fluid operated hammer
AU7899482A (en) Combined tool
GB2076718B (en) Hydraulic drop hammer
GB2073078B (en) Pile-driving ram
JPS57100949A (en) Hydraulic composition
JPS56150216A (en) Hydraulic hammer
YU43636B (en) Improved hydraulic amortizer
DE3169555D1 (en) Fluid operated hammer
JPS5796709A (en) Hammer drill
JPS5771841A (en) Hydraulic composition
JPS5784882A (en) Hammer mechanism
GB2069399B (en) Percussive tool
GB2070498B (en) Hydraulic bell hammer
JPS56164045A (en) Hydraulic composition
JPS57114369A (en) Impact wrench
SU924250A2 (en) Hydraulic pile hammer

Legal Events

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

Effective date: 19950316