JPS59123081U - Pin attachment/detachment device for construction machinery - Google Patents

Pin attachment/detachment device for construction machinery

Info

Publication number
JPS59123081U
JPS59123081U JP1612983U JP1612983U JPS59123081U JP S59123081 U JPS59123081 U JP S59123081U JP 1612983 U JP1612983 U JP 1612983U JP 1612983 U JP1612983 U JP 1612983U JP S59123081 U JPS59123081 U JP S59123081U
Authority
JP
Japan
Prior art keywords
pin
fixed
hole
detachment device
construction machinery
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.)
Pending
Application number
JP1612983U
Other languages
Japanese (ja)
Inventor
清水　由雄
Original Assignee
日立建機株式会社
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 日立建機株式会社 filed Critical 日立建機株式会社
Priority to JP1612983U priority Critical patent/JPS59123081U/en
Publication of JPS59123081U publication Critical patent/JPS59123081U/en
Pending legal-status Critical Current

Links

Landscapes

  • Jib Cranes (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (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) [Abstract] 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図は移動式クレーンの一例を示した側面図、第２図
乃至第４図は本考案の建設機械に於けるピン着脱装置を
移動式クレーンに使用した場合の一実施例を示し、第２
図は主要部平面図、第３図は第２図のＡ部拡大図、第４
図は第３図のＢ方向矢視図である。 １・・・ブーム、１１・・・ブーム先端部、２・・・フ
レーム、２１・・・フレーム端面、２２・・・ブーム支
持部材、３・・・フレーム側ブラケット、３１・・・油
圧シリンダ固定部材、４・・・同作動油圧シリンダ、４
１・・・シリンダ側ブラケット、４２・・・フード、４
３・・・ピストン棒、５・・・フットピン、６１・・・
ボルト、６２・・・ナツト、７・・・油圧回路、１１ａ
、　２２ａ、　３１ａ。 ４１ａ・・・透孔。Fig. 1 is a side view showing an example of a mobile crane, and Figs. 2 to 4 show an embodiment of the pin attachment/detachment device for construction machinery of the present invention used in a mobile crane. 2
The figure is a plan view of the main part, Figure 3 is an enlarged view of part A in Figure 2, and Figure 4 is a plan view of the main part.
The figure is a view taken in the direction of arrow B in FIG. 3. DESCRIPTION OF SYMBOLS 1... Boom, 11... Boom tip, 2... Frame, 21... Frame end surface, 22... Boom support member, 3... Frame side bracket, 31... Hydraulic cylinder fixing Member, 4...Same operating hydraulic cylinder, 4
1... Cylinder side bracket, 42... Hood, 4
3... Piston rod, 5... Foot pin, 61...
Bolt, 62... Nut, 7... Hydraulic circuit, 11a
, 22a, 31a. 41a...Through hole.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 固定体の透孔と回転体の透孔とにピンを嵌合して回転体
を固定体に回転可能に装着し、その固定体の透孔および
回転体の透孔からピンを抜いて固定体から回転体を取外
すように構成した建設機械において、前記固定体１こ固
定した固定部材と、ピストンロッドの先端に前記ピンを
固定した油圧シリンダとを備え、前記油圧シリンダを前
記固定部材に、その油圧シリンダのピンの中心と前記固
定部材の透孔の中心とを合致させて固定したことを特徴
とする建設機械に於けるピン着脱装置。The rotating body is rotatably attached to the fixed body by fitting the pin into the through hole of the fixed body and the through hole of the rotating body, and the pin is removed from the through hole of the fixed body and the through hole of the rotating body to remove the fixed body. A construction machine configured to remove a rotating body from the fixed body, comprising a fixing member to which the fixed body is fixed, and a hydraulic cylinder to which the pin is fixed to the tip of a piston rod, and the hydraulic cylinder is attached to the fixing member. 1. A pin attachment/detachment device for a construction machine, characterized in that the pin of the hydraulic cylinder is fixed by aligning the center of the pin with the center of the through hole of the fixing member.
JP1612983U 1983-02-08 1983-02-08 Pin attachment/detachment device for construction machinery Pending JPS59123081U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1612983U JPS59123081U (en) 1983-02-08 1983-02-08 Pin attachment/detachment device for construction machinery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1612983U JPS59123081U (en) 1983-02-08 1983-02-08 Pin attachment/detachment device for construction machinery

Publications (1)

Publication Number Publication Date
JPS59123081U true JPS59123081U (en) 1984-08-18

Family

ID=30147432

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1612983U Pending JPS59123081U (en) 1983-02-08 1983-02-08 Pin attachment/detachment device for construction machinery

Country Status (1)

Country Link
JP (1) JPS59123081U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009167002A (en) * 2008-01-18 2009-07-30 Kato Works Co Ltd Mobile crane
JP2011042460A (en) * 2009-08-21 2011-03-03 Kobelco Cranes Co Ltd Jib joining pin urging device
JP2013124177A (en) * 2011-12-15 2013-06-24 Kato Works Co Ltd Counterweight removing device
JP2015124026A (en) * 2013-12-25 2015-07-06 日本車輌製造株式会社 Boom attaching/detaching structure
CN113695871A (en) * 2021-09-24 2021-11-26 北京三一智造科技有限公司 Pin shaft dismounting device, frame body connecting structure and operation machine
US11786998B2 (en) 2021-09-24 2023-10-17 Beijing Sany Intelligent Manufacturing Technology Co., Ltd. Pin shaft dismounting and mounting device, frame body connecting structure and work machine

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009167002A (en) * 2008-01-18 2009-07-30 Kato Works Co Ltd Mobile crane
JP2011042460A (en) * 2009-08-21 2011-03-03 Kobelco Cranes Co Ltd Jib joining pin urging device
JP2013124177A (en) * 2011-12-15 2013-06-24 Kato Works Co Ltd Counterweight removing device
JP2015124026A (en) * 2013-12-25 2015-07-06 日本車輌製造株式会社 Boom attaching/detaching structure
CN113695871A (en) * 2021-09-24 2021-11-26 北京三一智造科技有限公司 Pin shaft dismounting device, frame body connecting structure and operation machine
CN113695871B (en) * 2021-09-24 2022-07-29 北京三一智造科技有限公司 Pin shaft dismounting device, frame body connecting structure and operation machine
US11786998B2 (en) 2021-09-24 2023-10-17 Beijing Sany Intelligent Manufacturing Technology Co., Ltd. Pin shaft dismounting and mounting device, frame body connecting structure and work machine

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