JPS63141288U - - Google Patents

Info

Publication number
JPS63141288U
JPS63141288U JP3405687U JP3405687U JPS63141288U JP S63141288 U JPS63141288 U JP S63141288U JP 3405687 U JP3405687 U JP 3405687U JP 3405687 U JP3405687 U JP 3405687U JP S63141288 U JPS63141288 U JP S63141288U
Authority
JP
Japan
Prior art keywords
pick
rotating drum
pressure water
excavator
groove
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
JP3405687U
Other languages
English (en)
Other versions
JPH0442391Y2 (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 JP3405687U priority Critical patent/JPH0442391Y2/ja
Publication of JPS63141288U publication Critical patent/JPS63141288U/ja
Application granted granted Critical
Publication of JPH0442391Y2 publication Critical patent/JPH0442391Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)

Description

【図面の簡単な説明】
図面は本考案の実施例を示しており、第1図は
本実施例の一部断面側面図、第2図は第1図のA
A断面図、第3図はピツクの上面図、第4図は従
来例の一部断面側面図である。 1…回転ドラム、2…ピツクホルダ、3…チツ
プ、4…ピツク、5…噴射ノズル、7,8…溝。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 掘削機本体に旋回、上下動自在なブームの
    先端に回転ドラムを取付け、この回転ドラムにピ
    ツクを配設した掘削機において、回転ドラムに設
    けたピツク外周面に高圧水の通過する溝部を形成
    し、該ピツクの後方に位置して高圧水を噴射させ
    る噴射ノズルを設け、該噴射ノズルからの高圧噴
    射水が前記ピツクに形成した溝部を通過してピツ
    ク先端に当るように構成したことを特徴とする掘
    削機用掘削ピツク。 (2) ピツク外周面に設けた溝部は複数条の溝か
    ら形成されたことを特徴とする実用新案登録請求
    の範囲第1項記載の掘削機用掘削ピツク。
JP3405687U 1987-03-09 1987-03-09 Expired JPH0442391Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3405687U JPH0442391Y2 (ja) 1987-03-09 1987-03-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3405687U JPH0442391Y2 (ja) 1987-03-09 1987-03-09

Publications (2)

Publication Number Publication Date
JPS63141288U true JPS63141288U (ja) 1988-09-16
JPH0442391Y2 JPH0442391Y2 (ja) 1992-10-06

Family

ID=30842243

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3405687U Expired JPH0442391Y2 (ja) 1987-03-09 1987-03-09

Country Status (1)

Country Link
JP (1) JPH0442391Y2 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013213365A (ja) * 2012-04-03 2013-10-17 Daiho Constr Co Ltd 切削ビットおよびこの切削ビットを用いたシールド掘進機
JP2022073602A (ja) * 2020-11-02 2022-05-17 Jimテクノロジー株式会社 トンネル掘削機

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013213365A (ja) * 2012-04-03 2013-10-17 Daiho Constr Co Ltd 切削ビットおよびこの切削ビットを用いたシールド掘進機
JP2022073602A (ja) * 2020-11-02 2022-05-17 Jimテクノロジー株式会社 トンネル掘削機

Also Published As

Publication number Publication date
JPH0442391Y2 (ja) 1992-10-06

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