JPS6344786U - - Google Patents

Info

Publication number
JPS6344786U
JPS6344786U JP1986138470U JP13847086U JPS6344786U JP S6344786 U JPS6344786 U JP S6344786U JP 1986138470 U JP1986138470 U JP 1986138470U JP 13847086 U JP13847086 U JP 13847086U JP S6344786 U JPS6344786 U JP S6344786U
Authority
JP
Japan
Prior art keywords
diameter part
large diameter
hammer
pressure
receiving surface
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
JP1986138470U
Other languages
English (en)
Other versions
JPH0513509Y2 (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 JP1986138470U priority Critical patent/JPH0513509Y2/ja
Priority to US07/094,697 priority patent/US4784228A/en
Publication of JPS6344786U publication Critical patent/JPS6344786U/ja
Application granted granted Critical
Publication of JPH0513509Y2 publication Critical patent/JPH0513509Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/14—Control devices for the reciprocating piston
    • B25D9/145—Control devices for the reciprocating piston for hydraulically actuated hammers having an accumulator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/14—Control devices for the reciprocating piston
    • B25D9/16—Valve arrangements therefor
    • B25D9/20—Valve arrangements therefor involving a tubular-type slide valve
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2209/00—Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D2209/002—Pressure accumulators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2209/00—Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D2209/007—Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously having a tubular-slide valve, which is not coaxial with the piston

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)

Description

【図面の簡単な説明】
図面はこの考案の一実施例を示す打撃装置の縦
断面図で、第１図は打撃直後の状態を、第２図は
下降開始時の状態を示す。 １……打撃装置、２……シリンダ、３……ハン
マ、４……大径部、５……下部小径部、６……中
部小径部、７……中径部、１０……上昇用受圧面
、１１……下降用受圧面、１２……大径穴、１３
……下部室、１４……中部室、１５……中径穴、
１８……低圧室、３０……切換弁、５０……高圧
管路、５６……低圧管路、７０……たがね。

Claims (1)

    【実用新案登録請求の範囲】
  1. 下降運動時にたがねなどの作用工具を打撃する
    ようにシリンダ内に上下方向に往復自在に嵌装さ
    れ上昇用受圧面を有する大径部をそなえたハンマ
    を、流体圧および／または弾撥力により下向きに
    付勢するとともに、前記上昇用受圧面に油圧を加
    える下部室を、前記ハンマの位置に関連して液圧
    駆動される切換弁の切換動作によつて高圧管路と
    低圧管路に交番に連通して前記ハンマを上下駆動
    するようにした打撃装置において、前記大径部の
    下側に連設された下部小径部の直径とほぼ等しい
    直径の中径部を、中部小径部を介して前記大径部
    の上側に連結し、前記大径部が嵌合する前記シリ
    ンダの大径穴と前記ハンマの大径部の上側部分と
    の間に形成される中部室を、前記低圧管路に接続
    したことを特徴とする打撃装置。
JP1986138470U 1986-09-09 1986-09-09 Expired - Lifetime JPH0513509Y2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1986138470U JPH0513509Y2 (ja) 1986-09-09 1986-09-09
US07/094,697 US4784228A (en) 1986-09-09 1987-09-09 Impact device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986138470U JPH0513509Y2 (ja) 1986-09-09 1986-09-09

Publications (2)

Publication Number Publication Date
JPS6344786U true JPS6344786U (ja) 1988-03-25
JPH0513509Y2 JPH0513509Y2 (ja) 1993-04-09

Family

ID=15222802

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986138470U Expired - Lifetime JPH0513509Y2 (ja) 1986-09-09 1986-09-09

Country Status (2)

Country Link
US (1) US4784228A (ja)
JP (1) JPH0513509Y2 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6038683A (ja) * 1983-08-11 1985-02-28 Rhythm Watch Co Ltd 二連振子時計
JPS6042684A (ja) * 1983-08-17 1985-03-06 Rhythm Watch Co Ltd 二連振子時計
JP2007522954A (ja) * 2004-02-23 2007-08-16 サンドビク マイニング アンド コンストラクション オサケ ユキチュア 圧力流体作動打撃装置

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3913866A1 (de) * 1989-04-27 1990-10-31 Krupp Maschinentechnik Hydraulisches schlagwerk
US4930584A (en) * 1989-05-04 1990-06-05 Easy Industries Co., Ltd. Cracking device
EP0447552A4 (en) * 1989-07-11 1991-12-18 Petr Yakovlevich Fadeev Striking device
JPH03208215A (ja) * 1990-01-10 1991-09-11 Izumi Seiki Seisakusho:Kk 油圧式ブレーカー
JP3378029B2 (ja) * 1991-08-08 2003-02-17 丸善工業株式会社 油圧ブレーカ
JP2677751B2 (ja) * 1993-03-11 1997-11-17 株式会社テイサク 打撃装置
DE4419499A1 (de) * 1994-06-03 1995-12-07 Interoc Vertriebsgesellschaft Hydraulisches Schlaggerät mit stufenlos regelbarer Schlagzahl und Schlagenergie
JPH08281571A (ja) * 1995-04-14 1996-10-29 Komatsu Ltd 振動発生装置
US6152013A (en) * 1996-07-25 2000-11-28 Komatsu Ltd. Hydraulically actuated breaker with lost-motion prevention device
EP1697089B1 (en) * 2003-12-19 2007-11-14 Clark Equipment Company Impact tool
JP4200918B2 (ja) * 2004-02-09 2008-12-24 日立工機株式会社 穿孔機
SE528081C2 (sv) * 2004-08-25 2006-08-29 Atlas Copco Constr Tools Ab Hydraulisk slagmekanism
US7681664B2 (en) * 2008-03-06 2010-03-23 Patterson William N Internally dampened percussion rock drill
CN101927478B (zh) * 2009-06-23 2015-03-04 蒙塔博特公司 液压冲击设备
SE536382C2 (sv) * 2012-02-17 2013-10-01 Atlas Copco Constr Tools Ab Tryckackumulator & slaganordning
US9151386B2 (en) * 2013-03-15 2015-10-06 Caterpillar Inc. Accumulator membrane for a hydraulic hammer
EP2865493A1 (en) * 2013-10-23 2015-04-29 Sandvik Mining and Construction Oy Percussion device
ES2717762T3 (es) * 2014-04-11 2019-06-25 Comelz Spa Dispositivo de corte para máquinas para cortar pieles y materiales similares
FR3037345B1 (fr) * 2015-06-11 2017-06-23 Montabert Roger Appareil hydraulique a percussions
WO2019022021A1 (ja) * 2017-07-24 2019-01-31 古河ロックドリル株式会社 液圧式打撃装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62218081A (ja) * 1986-03-11 1987-09-25 浜田　千代 油圧式ブレ−カ−

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES464093A1 (es) * 1977-11-12 1978-12-16 Luis Miguel Castejon Castan Perfeccionamientos en los sistemas de fluidos alternantes y aparato para su realizacion.
DE3443542A1 (de) * 1984-11-29 1986-06-05 Fried. Krupp Gmbh, 4300 Essen Hydraulische schlagvorrichtung

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62218081A (ja) * 1986-03-11 1987-09-25 浜田　千代 油圧式ブレ−カ−

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6038683A (ja) * 1983-08-11 1985-02-28 Rhythm Watch Co Ltd 二連振子時計
JPH0410036B2 (ja) * 1983-08-11 1992-02-24
JPS6042684A (ja) * 1983-08-17 1985-03-06 Rhythm Watch Co Ltd 二連振子時計
JP2007522954A (ja) * 2004-02-23 2007-08-16 サンドビク マイニング アンド コンストラクション オサケ ユキチュア 圧力流体作動打撃装置

Also Published As

Publication number Publication date
JPH0513509Y2 (ja) 1993-04-09
US4784228A (en) 1988-11-15

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