JPS63116284U - - Google Patents

Info

Publication number
JPS63116284U
JPS63116284U JP972887U JP972887U JPS63116284U JP S63116284 U JPS63116284 U JP S63116284U JP 972887 U JP972887 U JP 972887U JP 972887 U JP972887 U JP 972887U JP S63116284 U JPS63116284 U JP S63116284U
Authority
JP
Japan
Prior art keywords
pressure
pipe
hammer
receiving surface
switching valve
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
JP972887U
Other languages
English (en)
Other versions
JPH0618791Y2 (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 JP1987009728U priority Critical patent/JPH0618791Y2/ja
Publication of JPS63116284U publication Critical patent/JPS63116284U/ja
Application granted granted Critical
Publication of JPH0618791Y2 publication Critical patent/JPH0618791Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Percussive Tools And Related Accessories (AREA)

Description

【図面の簡単な説明】
第１図および第２図はこの考案の一実施例を示
す打撃装置の部分縦断面図、第３図は同じく切換
弁部分の縦断面図、第４図および第５図はこの考
案の他の実施例を示す切換弁部分の回路図である
。 １……打撃装置、２……シリンダ、３……ハン
マ、１０……下降用受圧面、１１……上昇用受圧
面、１３……上部室、１４……下部室、１５……
中部室、１６……パイロツト室、１７……低圧室
、２１……切換弁、３０……パイロツト管路、３
１……パイロツト管路、３３……高圧管路、３５
……低圧管路、３６，３６ａ，３６ｂ……短絡管
路、３８……絞り管路、３９……絞り弁、４１…
…たがね、５１……切換弁、５２……切換弁、５
３……絞り弁。

Claims (1)

    【実用新案登録請求の範囲】
  1. 上昇用受圧面とこれより大きい下降用受圧面と
    をそなえたハンマを、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
    に往復自在に嵌装し、前記上昇用受圧面に油圧を
    かける下部室を高圧管路に接続するとともに、前
    記下降用受圧面に油圧をかける上部室を、前記ハ
    ンマの位置に関連して油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接続
    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、前記下部室と前記高圧管路との間に
    短絡管路と調節可能な絞り弁をそなえた絞り管路
    とを並列に接続し、前記ハンマの上昇行程時に前
    記短絡管路を前記切換弁により遮断し、前記ハン
    マの下降行程時に前記短絡管路を前記切換弁によ
    り導通させるようにしたことを特徴とする打撃装
    置。
JP1987009728U 1987-01-26 1987-01-26 打撃装置 Expired - Lifetime JPH0618791Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987009728U JPH0618791Y2 (ja) 1987-01-26 1987-01-26 打撃装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987009728U JPH0618791Y2 (ja) 1987-01-26 1987-01-26 打撃装置

Publications (2)

Publication Number Publication Date
JPS63116284U true JPS63116284U (ja) 1988-07-27
JPH0618791Y2 JPH0618791Y2 (ja) 1994-05-18

Family

ID=30795315

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987009728U Expired - Lifetime JPH0618791Y2 (ja) 1987-01-26 1987-01-26 打撃装置

Country Status (1)

Country Link
JP (1) JPH0618791Y2 (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5433381A (en) * 1977-08-19 1979-03-12 Matsushita Electronics Corp Reflection type fluorescent lamp

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5433381A (en) * 1977-08-19 1979-03-12 Matsushita Electronics Corp Reflection type fluorescent lamp

Also Published As

Publication number Publication date
JPH0618791Y2 (ja) 1994-05-18

Similar Documents

Publication Publication Date Title
JPS6344786U (ja)
US4034817A (en) Impact tool
GB1389803A (en) Impact tool
EP0283734A3 (en) Percussive drilling apparatus with movable hammer head
GB1516566A (en) Hydraulic percussive device
IE791371L (en) Hammer drill
CA2068868A1 (en) Hydraulically Powered Repetitive Impact Hammer
ES366870A1 (es) Mecanismo de martilleo para herramientas de percusion.
JPS63116284U (ja)
US4548279A (en) Tool extractor
JPS641879U (ja)
JPS6175980U (ja)
JPS62201680U (ja)
US2730073A (en) Percussion tools
JPH042572U (ja)
CN2095076U (zh) 电磁冲击凿
GB1154593A (en) Vibrationless Percussive Tool.
US2185471A (en) Power hammer
CN2229313Y (zh) 倍压式二段冲程铆钉机
JPS6026938Y2 (ja) 打撃回数設定装置
JPS6272389U (ja)
CN206794635U (zh) 汽车板材锻件用空气锤
US4308925A (en) Pneumatic impact motor
JPS5946682U (ja) 油圧式打撃装置
CN2079998U (zh) 液压破碎机