JPS59155315U - Bolt tightening device - Google Patents

Bolt tightening device

Info

Publication number
JPS59155315U
JPS59155315U JP4971183U JP4971183U JPS59155315U JP S59155315 U JPS59155315 U JP S59155315U JP 4971183 U JP4971183 U JP 4971183U JP 4971183 U JP4971183 U JP 4971183U JP S59155315 U JPS59155315 U JP S59155315U
Authority
JP
Japan
Prior art keywords
bolt
piston
tightening device
bolt tightening
mounting base
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
JP4971183U
Other languages
Japanese (ja)
Other versions
JPS6224098Y2 (en
Inventor
清 生田
坂元　篤
Original Assignee
三菱重工業株式会社
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 三菱重工業株式会社 filed Critical 三菱重工業株式会社
Priority to JP4971183U priority Critical patent/JPS59155315U/en
Publication of JPS59155315U publication Critical patent/JPS59155315U/en
Application granted granted Critical
Publication of JPS6224098Y2 publication Critical patent/JPS6224098Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Clamps And Clips (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (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 the drawing]

第１図は従来のボルト締付装置の縦断面図１、第２図は
本考案の実施例を示すボルト締付装置の縦断面図である
。 図の主要部分の説明、１・・・締付物の取付台、２・・
・締付物のフランジ、３・・・太径ボルト、３ａ。 ３ｂ、１９・・・ネジ部、４・・・ナツト、５．１１・
・・シリンダ、６．１２・・・ピストン、８．１４・・
・圧油路、１８・・・高圧油。FIG. 1 is a longitudinal sectional view of a conventional bolt tightening device, and FIG. 2 is a longitudinal sectional view of a bolt tightening device showing an embodiment of the present invention. Explanation of the main parts of the diagram, 1... Mounting base for fasteners, 2...
- Flange of fastener, 3... Large diameter bolt, 3a. 3b, 19... Threaded part, 4... Nut, 5.11.
...Cylinder, 6.12...Piston, 8.14...
・Pressure oil path, 18...High pressure oil.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 取付台にボルトを螺装すると共に、同取付台に乗せられ
た締付物のフランジを、同ボルト上部に螺装したナツト
により締付け、かつ同ボルト上部のネジ部に螺着された
第１ピストンの下部の部屋に高圧油を供給して同ボルト
を引伸ばし、前記ナツトを再締付けするボルト締付装置
において、同第１ピストン上部に設けたシリンダに係合
する第２ピストンを、同第１ピストンの上部にネジ結合
すると共に、同第２ピストンの下部の部屋にも高油圧を
供給することを特徴とするボルト締付装置。A bolt is threaded onto the mounting base, and the flange of the clamping object placed on the mounting base is tightened by a nut threaded onto the upper part of the bolt, and a first piston is screwed onto the threaded portion at the upper part of the bolt. In a bolt tightening device that supplies high-pressure oil to a lower chamber of the bolt to stretch the bolt and retighten the nut, a second piston that engages with a cylinder provided above the first piston is connected to the first piston. A bolt tightening device that is screwed to the upper part of a piston and also supplies high hydraulic pressure to a lower chamber of the second piston.
JP4971183U 1983-04-05 1983-04-05 Bolt tightening device Granted JPS59155315U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4971183U JPS59155315U (en) 1983-04-05 1983-04-05 Bolt tightening device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4971183U JPS59155315U (en) 1983-04-05 1983-04-05 Bolt tightening device

Publications (2)

Publication Number Publication Date
JPS59155315U true JPS59155315U (en) 1984-10-18
JPS6224098Y2 JPS6224098Y2 (en) 1987-06-19

Family

ID=30180208

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4971183U Granted JPS59155315U (en) 1983-04-05 1983-04-05 Bolt tightening device

Country Status (1)

Country Link
JP (1) JPS59155315U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004070216A1 (en) * 2003-02-10 2004-08-19 Imai, Tooru Liquid pressure device
WO2007043143A1 (en) * 2005-10-05 2007-04-19 Imai, Akira Liquid pressure device
JP2010501875A (en) * 2006-09-01 2010-01-21 アクチボラゲット エス ケイ エフ Method and apparatus for tightening and controlling one or more bolts by fluid pressure
KR101595482B1 (en) * 2014-11-07 2016-02-18 두산중공업 주식회사 Assembly device for tensioning bolts
KR101688847B1 (en) * 2016-03-08 2016-12-22 첨단기공 주식회사 Extending device for cylinder head stud bolt

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5186820A (en) * 1974-12-17 1976-07-29 Kraftwerk Union Ag Atsuryokuyokibuta no dendoshikishimetsuke oyobi unpansochi
JPS57163081A (en) * 1981-03-30 1982-10-07 Japan Steel Works Ltd Stretcher for bolt

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5186820A (en) * 1974-12-17 1976-07-29 Kraftwerk Union Ag Atsuryokuyokibuta no dendoshikishimetsuke oyobi unpansochi
JPS57163081A (en) * 1981-03-30 1982-10-07 Japan Steel Works Ltd Stretcher for bolt

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004070216A1 (en) * 2003-02-10 2004-08-19 Imai, Tooru Liquid pressure device
WO2007043143A1 (en) * 2005-10-05 2007-04-19 Imai, Akira Liquid pressure device
JP2010501875A (en) * 2006-09-01 2010-01-21 アクチボラゲット エス ケイ エフ Method and apparatus for tightening and controlling one or more bolts by fluid pressure
KR101595482B1 (en) * 2014-11-07 2016-02-18 두산중공업 주식회사 Assembly device for tensioning bolts
KR101688847B1 (en) * 2016-03-08 2016-12-22 첨단기공 주식회사 Extending device for cylinder head stud bolt

Also Published As

Publication number Publication date
JPS6224098Y2 (en) 1987-06-19

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