JPH0369088U - - Google Patents

Info

Publication number
JPH0369088U
JPH0369088U JP13111589U JP13111589U JPH0369088U JP H0369088 U JPH0369088 U JP H0369088U JP 13111589 U JP13111589 U JP 13111589U JP 13111589 U JP13111589 U JP 13111589U JP H0369088 U JPH0369088 U JP H0369088U
Authority
JP
Japan
Prior art keywords
continuous rod
drilling machine
excavation
drilling
attached
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
JP13111589U
Other languages
English (en)
Other versions
JPH0720235Y2 (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 JP13111589U priority Critical patent/JPH0720235Y2/ja
Publication of JPH0369088U publication Critical patent/JPH0369088U/ja
Application granted granted Critical
Publication of JPH0720235Y2 publication Critical patent/JPH0720235Y2/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)
  • Earth Drilling (AREA)

Description

【図面の簡単な説明】
第1図は本考案坑用予備孔開け作業機の要部を
示し、第2図は該作業機全体を示す斜視図、第3
図は作業機本体を示す断面図である。 10……小型エンジン、11……クランク軸、
21A……ケーシング、26……打撃シリンダ、
40……掘削機構、42……ガイド体、45……
連杆、46……掘削具、48……固定板、50…
…可動板、51……戻しバネ。

Claims (1)

    【実用新案登録請求の範囲】
  1. ケーシングに取り付けられたエンジンの回転出
    力がクランク機構によつて往復運動に変換されて
    打撃シリンダを介して掘削機構に伝達される坑用
    予備孔開け作業機において、前記掘削機構が、前
    記打撃シリンダの上部内壁面に穿設されたネジ部
    に直接的に或いはガイド体を介して一体的に連結
    された連杆と、該連杆の下端に装着された掘削具
    と、前記連杆に嵌装された固定板と可動板との間
    に介装された戻しバネからなる戻し機構とを備え
    ていることを特徴とする坑用予備孔開け作業機。
JP13111589U 1989-11-09 1989-11-09 杭用予備孔開け作業機 Expired - Lifetime JPH0720235Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13111589U JPH0720235Y2 (ja) 1989-11-09 1989-11-09 杭用予備孔開け作業機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13111589U JPH0720235Y2 (ja) 1989-11-09 1989-11-09 杭用予備孔開け作業機

Publications (2)

Publication Number Publication Date
JPH0369088U true JPH0369088U (ja) 1991-07-09
JPH0720235Y2 JPH0720235Y2 (ja) 1995-05-15

Family

ID=31678640

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13111589U Expired - Lifetime JPH0720235Y2 (ja) 1989-11-09 1989-11-09 杭用予備孔開け作業機

Country Status (1)

Country Link
JP (1) JPH0720235Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022023604A (ja) * 2020-07-27 2022-02-08 大豊建設株式会社 削孔装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022023604A (ja) * 2020-07-27 2022-02-08 大豊建設株式会社 削孔装置

Also Published As

Publication number Publication date
JPH0720235Y2 (ja) 1995-05-15

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