JPS57146828A - Oil-pressure drop hammer for driving pile - Google Patents

Oil-pressure drop hammer for driving pile

Info

Publication number
JPS57146828A
JPS57146828A JP3021581A JP3021581A JPS57146828A JP S57146828 A JPS57146828 A JP S57146828A JP 3021581 A JP3021581 A JP 3021581A JP 3021581 A JP3021581 A JP 3021581A JP S57146828 A JPS57146828 A JP S57146828A
Authority
JP
Japan
Prior art keywords
oil
ram
pressure drop
cylinder
chamber
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
JP3021581A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6118610B2 (enExample
Inventor
Takashi Takee
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
Priority to JP3021581A priority Critical patent/JPS57146828A/ja
Publication of JPS57146828A publication Critical patent/JPS57146828A/ja
Publication of JPS6118610B2 publication Critical patent/JPS6118610B2/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
    • E02D7/08—Drop drivers with free-falling hammer

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)
JP3021581A 1981-03-03 1981-03-03 Oil-pressure drop hammer for driving pile Granted JPS57146828A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3021581A JPS57146828A (en) 1981-03-03 1981-03-03 Oil-pressure drop hammer for driving pile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3021581A JPS57146828A (en) 1981-03-03 1981-03-03 Oil-pressure drop hammer for driving pile

Publications (2)

Publication Number Publication Date
JPS57146828A true JPS57146828A (en) 1982-09-10
JPS6118610B2 JPS6118610B2 (enExample) 1986-05-13

Family

ID=12297495

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3021581A Granted JPS57146828A (en) 1981-03-03 1981-03-03 Oil-pressure drop hammer for driving pile

Country Status (1)

Country Link
JP (1) JPS57146828A (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102535465A (zh) * 2010-12-23 2012-07-04 上海工程机械厂有限公司 液压气动复合打桩锤
US8925774B2 (en) 2009-04-24 2015-01-06 Makita Corporation Harness for a handheld power equipment
JP2019500227A (ja) * 2015-10-05 2019-01-10 ロブソン、アンガス 往復運動衝撃ハンマー
CN109340214A (zh) * 2018-12-17 2019-02-15 广东力源液压机械有限公司 一种集成型大功率方向阀油缸及其控制方法

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8925774B2 (en) 2009-04-24 2015-01-06 Makita Corporation Harness for a handheld power equipment
CN102535465A (zh) * 2010-12-23 2012-07-04 上海工程机械厂有限公司 液压气动复合打桩锤
CN102535465B (zh) * 2010-12-23 2016-04-20 上海工程机械厂有限公司 液压气动复合打桩锤
JP2019500227A (ja) * 2015-10-05 2019-01-10 ロブソン、アンガス 往復運動衝撃ハンマー
KR20190008517A (ko) * 2015-10-05 2019-01-24 앵거스 피터 롭슨 왕복 운동 임팩트 해머
CN109340214A (zh) * 2018-12-17 2019-02-15 广东力源液压机械有限公司 一种集成型大功率方向阀油缸及其控制方法

Also Published As

Publication number Publication date
JPS6118610B2 (enExample) 1986-05-13

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