JPS6447844U - - Google Patents

Info

Publication number
JPS6447844U
JPS6447844U JP14006887U JP14006887U JPS6447844U JP S6447844 U JPS6447844 U JP S6447844U JP 14006887 U JP14006887 U JP 14006887U JP 14006887 U JP14006887 U JP 14006887U JP S6447844 U JPS6447844 U JP S6447844U
Authority
JP
Japan
Prior art keywords
flow path
throttle valve
silencer
cylinder
drop hammer
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
JP14006887U
Other languages
English (en)
Other versions
JPH0621956Y2 (ja
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 filed Critical
Priority to JP1987140068U priority Critical patent/JPH0621956Y2/ja
Publication of JPS6447844U publication Critical patent/JPS6447844U/ja
Application granted granted Critical
Publication of JPH0621956Y2 publication Critical patent/JPH0621956Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

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

Description

【図面の簡単な説明】
図面は本考案の実施例を示すもので、第1図は
ドロツプハンマの一部欠截正面図、第2図は第2
流路の絞り弁の断面図、第3図は絞り弁の他の実
施例の断面図である。 図中、1はドロツプハンマ、2は底部、3はシ
リンダ、4はラム、5はアンビル、7は第1流路
、8は第2流路、9は消音器、11は絞り弁、1
4はガイド、15はワイヤ、17は摺動リングで
ある。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 底部を有するシリンダ内にラムを上下方向
    に摺動自在に設け、上記シリンダの下部側面に第
    1流路の一端を接続するとともに、該第1流路の
    接続位置よりも低い位置に第2流路の一端を接続
    し、上記第1流路の他端を消音器に接続し、第2
    流路の途中に絞り弁を設けて該第2流路の他端を
    消音器に接続したことを特徴とする杭打ち用ドロ
    ツプハンマ。 (2) 絞り弁の排気抵抗を調整可能にした実用新
    案登録請求の範囲第1項に記載の杭打ち用ドロツ
    プハンマ。
JP1987140068U 1987-09-16 1987-09-16 杭打ち用ドロップハンマ Expired - Lifetime JPH0621956Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987140068U JPH0621956Y2 (ja) 1987-09-16 1987-09-16 杭打ち用ドロップハンマ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987140068U JPH0621956Y2 (ja) 1987-09-16 1987-09-16 杭打ち用ドロップハンマ

Publications (2)

Publication Number Publication Date
JPS6447844U true JPS6447844U (ja) 1989-03-24
JPH0621956Y2 JPH0621956Y2 (ja) 1994-06-08

Family

ID=31403901

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987140068U Expired - Lifetime JPH0621956Y2 (ja) 1987-09-16 1987-09-16 杭打ち用ドロップハンマ

Country Status (1)

Country Link
JP (1) JPH0621956Y2 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5634826A (en) * 1979-08-30 1981-04-07 Shinsei Unyu Kk Hammering device
JPS6244935U (ja) * 1985-09-06 1987-03-18

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5634826A (en) * 1979-08-30 1981-04-07 Shinsei Unyu Kk Hammering device
JPS6244935U (ja) * 1985-09-06 1987-03-18

Also Published As

Publication number Publication date
JPH0621956Y2 (ja) 1994-06-08

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