JPS58135226A - 油圧又は空気圧ハンマの制御装置 - Google Patents

油圧又は空気圧ハンマの制御装置

Info

Publication number
JPS58135226A
JPS58135226A JP1580082A JP1580082A JPS58135226A JP S58135226 A JPS58135226 A JP S58135226A JP 1580082 A JP1580082 A JP 1580082A JP 1580082 A JP1580082 A JP 1580082A JP S58135226 A JPS58135226 A JP S58135226A
Authority
JP
Japan
Prior art keywords
switch
weight
hydraulic
magnetic material
circuit
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.)
Granted
Application number
JP1580082A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6138287B2 (enExample
Inventor
Tadahiko Miura
忠彦 三浦
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.)
Maeta Concrete Industry Ltd
Original Assignee
Maeta Concrete Industry 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 Maeta Concrete Industry Ltd filed Critical Maeta Concrete Industry Ltd
Priority to JP1580082A priority Critical patent/JPS58135226A/ja
Publication of JPS58135226A publication Critical patent/JPS58135226A/ja
Publication of JPS6138287B2 publication Critical patent/JPS6138287B2/ja
Granted 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

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)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
JP1580082A 1982-02-03 1982-02-03 油圧又は空気圧ハンマの制御装置 Granted JPS58135226A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1580082A JPS58135226A (ja) 1982-02-03 1982-02-03 油圧又は空気圧ハンマの制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1580082A JPS58135226A (ja) 1982-02-03 1982-02-03 油圧又は空気圧ハンマの制御装置

Publications (2)

Publication Number Publication Date
JPS58135226A true JPS58135226A (ja) 1983-08-11
JPS6138287B2 JPS6138287B2 (enExample) 1986-08-28

Family

ID=11898910

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1580082A Granted JPS58135226A (ja) 1982-02-03 1982-02-03 油圧又は空気圧ハンマの制御装置

Country Status (1)

Country Link
JP (1) JPS58135226A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60116908A (ja) * 1983-11-29 1985-06-24 Hitachi Constr Mach Co Ltd 油圧ハンマの重錘駆動方法
CN104532841A (zh) * 2014-12-10 2015-04-22 马人欢 电磁建筑打桩机

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1078333A (ja) * 1996-09-04 1998-03-24 Ohbayashi Corp 打込み杭の計測管理システム

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60116908A (ja) * 1983-11-29 1985-06-24 Hitachi Constr Mach Co Ltd 油圧ハンマの重錘駆動方法
CN104532841A (zh) * 2014-12-10 2015-04-22 马人欢 电磁建筑打桩机

Also Published As

Publication number Publication date
JPS6138287B2 (enExample) 1986-08-28

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