JPS5634824A - Hydraulic pile hammer - Google Patents
Hydraulic pile hammerInfo
- 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
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
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4939203A (en) * | 1972-08-22 | 1974-04-12 | ||
JPS4948210A (en) * | 1972-09-13 | 1974-05-10 |
-
1979
- 1979-08-28 JP JP10958179A patent/JPS5634824A/en active Pending
Patent Citations (2)
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)
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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