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
Links
- 230000000630 rising effect Effects 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 1
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。
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)
- 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。
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)
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)
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)
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)
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 |
-
1986
- 1986-09-09 JP JP1986138470U patent/JPH0513509Y2/ja not_active Expired - Lifetime
-
1987
- 1987-09-09 US US07/094,697 patent/US4784228A/en not_active Expired - Lifetime
Patent Citations (1)
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)
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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