JPS5634824A - Hydraulic pile hammer - Google Patents

Hydraulic pile hammer

Info

Publication number
JPS5634824A
JPS5634824A JP10958179A JP10958179A JPS5634824A JP S5634824 A JPS5634824 A JP S5634824A JP 10958179 A JP10958179 A JP 10958179A JP 10958179 A JP10958179 A JP 10958179A JP S5634824 A JPS5634824 A JP S5634824A
Authority
JP
Japan
Prior art keywords
oil
ram
descended
elevated
sending
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.)
Pending
Application number
JP10958179A
Other languages
Japanese (ja)
Inventor
Yoshio Tanaka
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.)
JIYOUBAN KISO KK
Original Assignee
JIYOUBAN KISO KK
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 JIYOUBAN KISO KK filed Critical JIYOUBAN KISO KK
Priority to JP10958179A priority Critical patent/JPS5634824A/en
Publication of JPS5634824A publication Critical patent/JPS5634824A/en
Pending legal-status Critical Current

Links

Landscapes

  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)

Abstract

PURPOSE: To enable to effect a pile driving while confirming a supporting force in the same manner as a drop hammer or the like and to prevent generation of working sounds or striking sounds of the drop hammer or the like, further, to supress vibration thereof into a small magnitude.
CONSTITUTION: A ram 11 is slidably fitted within a main cylinder 1 of closed soundproof construction equipped with an anvil 6 at a lower end thereof. The ram 11 is elevated and descended within the main cylinder 1 by following to ascending and descending of a pistn portion 13 of an elevating rod 12 provided thereabove through an internal portion of an operating cylinder 9 provided at an upper portion of the main cylider 1. The piston portion 13 is elevated by pressurized oil sent into an oil sending portion 15 below the operating cylinder 1 from an external portion while can be descended freely by a weight of the ram 11 by effecting to stop an oil sending of pressurized oil into the oil sending portion 15 and to discharge remained oil in the oil sending portion 15 simultaneously.
COPYRIGHT: (C)1981,JPO&Japio
JP10958179A 1979-08-28 1979-08-28 Hydraulic pile hammer Pending JPS5634824A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10958179A JPS5634824A (en) 1979-08-28 1979-08-28 Hydraulic pile hammer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10958179A JPS5634824A (en) 1979-08-28 1979-08-28 Hydraulic pile hammer

Publications (1)

Publication Number Publication Date
JPS5634824A true JPS5634824A (en) 1981-04-07

Family

ID=14513889

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10958179A Pending JPS5634824A (en) 1979-08-28 1979-08-28 Hydraulic pile hammer

Country Status (1)

Country Link
JP (1) JPS5634824A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6286341B2 (en) 1998-01-23 2001-09-11 Elastic, Corporation Of America, Inc. Elastic drawcord product and method of making same
JP2007231451A (en) * 2006-03-01 2007-09-13 Hideko Konishi Inner fastening device for obi plate for kimono

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4939203A (en) * 1972-08-22 1974-04-12
JPS4948210A (en) * 1972-09-13 1974-05-10

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4939203A (en) * 1972-08-22 1974-04-12
JPS4948210A (en) * 1972-09-13 1974-05-10

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6286341B2 (en) 1998-01-23 2001-09-11 Elastic, Corporation Of America, Inc. Elastic drawcord product and method of making same
JP2007231451A (en) * 2006-03-01 2007-09-13 Hideko Konishi Inner fastening device for obi plate for kimono

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