JPS59144090U - Drilling machine centralizer - Google Patents

Drilling machine centralizer

Info

Publication number
JPS59144090U
JPS59144090U JP3880683U JP3880683U JPS59144090U JP S59144090 U JPS59144090 U JP S59144090U JP 3880683 U JP3880683 U JP 3880683U JP 3880683 U JP3880683 U JP 3880683U JP S59144090 U JPS59144090 U JP S59144090U
Authority
JP
Japan
Prior art keywords
centralizer
drilling machine
cylinder
rod
body 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
JP3880683U
Other languages
Japanese (ja)
Other versions
JPS6332223Y2 (en
Inventor
須崎　利夫
Original Assignee
古河鉱業株式会社
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 by 古河鉱業株式会社 filed Critical 古河鉱業株式会社
Priority to JP3880683U priority Critical patent/JPS59144090U/en
Publication of JPS59144090U publication Critical patent/JPS59144090U/en
Application granted granted Critical
Publication of JPS6332223Y2 publication Critical patent/JPS6332223Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Earth Drilling (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図乃至第４図は、この考案の一実施例である穿孔機
械のセントラライザの構成を示し、第１図は、一部を切
欠いた平面図、第２図は正面図、第３図は側面図、第４
図は二段式シリンダの縦断面図、第５図は、この実施例
のセントラライザの作動油圧回路の一例を示す図である
。 図中、１はセントラライザ、２はガイドシェル、３はロ
ツドルーズニング装置、５は二段式シリンダ、６はロッ
ド、７はクランプボディ、８はピストンロッド、９はセ
ントラライザボディ、１０は複動シリンダ、１１は単動
シリンダ、０はロッド軸線中心である。Figures 1 to 4 show the configuration of a centralizer of a drilling machine that is an embodiment of this invention, with Figure 1 being a partially cutaway plan view, Figure 2 being a front view, and Figure 3 being a partially cutaway plan view. is a side view, 4th
The figure is a longitudinal sectional view of a two-stage cylinder, and FIG. 5 is a diagram showing an example of the hydraulic circuit for the centralizer of this embodiment. In the figure, 1 is a centralizer, 2 is a guide shell, 3 is a rod loosening device, 5 is a two-stage cylinder, 6 is a rod, 7 is a clamp body, 8 is a piston rod, 9 is a centralizer body, and 10 is a compound The moving cylinder, 11 is a single acting cylinder, and 0 is the center of the rod axis.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] クランプボディをピストンロッドに、セントラライザボ
ディをシリンダ前端部に、夫々取付けた複動シリンダを
、単動シリンダに挿着して二段式シリンダを形成し、該
二段式シリンダを、ロッドの保持、固定開放が可酷な如
くロッド軸線を中心に対向して設けたことを特徴とする
穿孔機械のセントラライザ。A double-acting cylinder with a clamp body attached to the piston rod and a centralizer body attached to the front end of the cylinder is inserted into a single-acting cylinder to form a two-stage cylinder, and the two-stage cylinder is used to hold the rod. A centralizer for a drilling machine, characterized in that the centralizers are arranged opposite to each other with the rod axis at the center so that fixing and opening are difficult.
JP3880683U 1983-03-17 1983-03-17 Drilling machine centralizer Granted JPS59144090U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3880683U JPS59144090U (en) 1983-03-17 1983-03-17 Drilling machine centralizer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3880683U JPS59144090U (en) 1983-03-17 1983-03-17 Drilling machine centralizer

Publications (2)

Publication Number Publication Date
JPS59144090U true JPS59144090U (en) 1984-09-26
JPS6332223Y2 JPS6332223Y2 (en) 1988-08-29

Family

ID=30169473

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3880683U Granted JPS59144090U (en) 1983-03-17 1983-03-17 Drilling machine centralizer

Country Status (1)

Country Link
JP (1) JPS59144090U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003074286A (en) * 2001-08-31 2003-03-12 Furukawa Co Ltd Rod clamping device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003074286A (en) * 2001-08-31 2003-03-12 Furukawa Co Ltd Rod clamping device

Also Published As

Publication number Publication date
JPS6332223Y2 (en) 1988-08-29

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