JPH0379366U - - Google Patents

Info

Publication number
JPH0379366U
JPH0379366U JP1989139549U JP13954989U JPH0379366U JP H0379366 U JPH0379366 U JP H0379366U JP 1989139549 U JP1989139549 U JP 1989139549U JP 13954989 U JP13954989 U JP 13954989U JP H0379366 U JPH0379366 U JP H0379366U
Authority
JP
Japan
Prior art keywords
boom
boom foot
welded
boss
shaped upper
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
JP1989139549U
Other languages
English (en)
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 JP1989139549U priority Critical patent/JPH0379366U/ja
Publication of JPH0379366U publication Critical patent/JPH0379366U/ja
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00Pivots; Pivotal connections
    • F16C11/04Pivotal connections
    • F16C11/045Pivotal connections with at least a pair of arms pivoting relatively to at least one other arm, all arms being mounted on one pin
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2350/00Machines or articles related to building
    • F16C2350/26Excavators

Landscapes

  • Component Parts Of Construction Machinery (AREA)
  • Pivots And Pivotal Connections (AREA)

Description

【図面の簡単な説明】
第1図はこの考案にかかる軸受構造をそなえた
ブームフート部の斜視図、第2図は第1図のBよ
り見た一部切欠き平面図、第3図は第2図のブー
ムフート部の組立構成図、第4図はこの考案のブ
ームフート部をピン結合したときのたて断面図、
第5図はこの考案のブームフート部の一部切欠き
側面図、第6図はこの考案の他実施例ブームフー
ト部の斜視図、第7図はブームの側面図、第8図
は第7図のAより見た従来技術のブームフート部
の一部切欠き平面図、第9図は従来技術のブーム
フート部をピン結合したときのたて断面図、第1
0図は従来技術のブームフート部の斜視図、第1
1図は従来技術の他実施例ブームフート部の側面
図である。 2,18,19,19′……ブームフート部、
3,3′,20,20′……ボス、7L,7R,
23L,23R……サイドボス、12……結合ピ
ン、15,30……グリース室、21,31……
上下面板、24……小径パイプ、25……スチフ
板、26……上面板部、27……下面板部、28
,32……折曲げ部。

Claims (1)

    【実用新案登録請求の範囲】
  1. 建設機械のフロント部に装着している作業アタ
    ツチメントのブームにおいて、ブームフート部の
    ボス左右のサイドボスを、内径が結合ピン径より
    若干大径の内径を有する小径パイプの介設溶着に
    より連結し、一方、ブームフート部の上面側およ
    び下面側に対して、一体形かつ側面視U字状の上
    下面板を形成し、そのU字状折曲げ部の内面側を
    上記サイドボスの外面側に当接かつ溶着するとと
    もに、上記U字状の上下面板の内面側と、ボス外
    面側にわたつてスチフ板を溶着して構成したこと
    を特徴とする軸受構造。
JP1989139549U 1989-11-30 1989-11-30 Pending JPH0379366U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989139549U JPH0379366U (ja) 1989-11-30 1989-11-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989139549U JPH0379366U (ja) 1989-11-30 1989-11-30

Publications (1)

Publication Number Publication Date
JPH0379366U true JPH0379366U (ja) 1991-08-13

Family

ID=31686585

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989139549U Pending JPH0379366U (ja) 1989-11-30 1989-11-30

Country Status (1)

Country Link
JP (1) JPH0379366U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020051150A (ja) * 2018-09-27 2020-04-02 日立建機株式会社 油圧ショベル

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020051150A (ja) * 2018-09-27 2020-04-02 日立建機株式会社 油圧ショベル

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