JPH0348117U - - Google Patents

Info

Publication number
JPH0348117U
JPH0348117U JP1989110257U JP11025789U JPH0348117U JP H0348117 U JPH0348117 U JP H0348117U JP 1989110257 U JP1989110257 U JP 1989110257U JP 11025789 U JP11025789 U JP 11025789U JP H0348117 U JPH0348117 U JP H0348117U
Authority
JP
Japan
Prior art keywords
pin
link
ring
pin boss
thrust
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
JP1989110257U
Other languages
Japanese (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 JP1989110257U priority Critical patent/JPH0348117U/ja
Publication of JPH0348117U publication Critical patent/JPH0348117U/ja
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/045—Pivotal connections with at least a pair of arms pivoting relatively to at least one other arm, all arms being mounted on one pin
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2350/00—Machines or articles related to building
    • F16C2350/26—Excavators

Landscapes

  • Component Parts Of Construction Machinery (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
  • Pivots And Pivotal Connections (AREA)

Description

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

第１図：パワーシヨベルの作業機の機械作動リ
ンク部の外観図、第２図：請求項１記載の本考案
の結合ピン装置の第１実施例の断面図、第３図：
推力発生形成部の詳細図、第４図：請求項１記載
の本考案の第２実施例の部分断面図、第５図：十
字型リングの断面図、第６図：十字型リングの装
着断面図、第７図：請求項２記載の本考案の結合
ピン装置の第１実施例の部分断面図、第８図：請
求項２記載の本考案の第２実施例の部分断面図、
第９図：従来の結合ピン装置の断面図。 １……作業機昇降アーム、２……作業機、３…
…複動油圧シリンダ、４……ブラケツト、５……
チルトレバー、６……チルトロツド、１０……機
械作動リンク、２１，２２……ピン、２０Ｒ，２
０Ｌ，２３Ｒ，２３Ｌ……ピンボス部、２４，２
５，２６……ピンボス部、３０……推力発生形成
部、３０ａ，３０ｂ……開先面、３０Ａ，３０Ｂ
……対向端面、３１……環状受座、４０……Ｏリ
ング、６１……推力負荷部材、Ｆ……弾性復元力
、Ｒ……半径方向、Ｓ……軸方向。 Fig. 1: An external view of the mechanical operation link of a power shovel working machine, Fig. 2: A sectional view of the first embodiment of the coupling pin device of the present invention as set forth in claim 1, Fig. 3:
Detailed view of the thrust generating and forming part, FIG. 4: Partial cross-sectional view of the second embodiment of the present invention as claimed in claim 1, FIG. 5: Cross-sectional view of the cross-shaped ring, FIG. 6: Installation cross-section of the cross-shaped ring. 7: A partial sectional view of the first embodiment of the coupling pin device of the present invention as set forth in claim 2, FIG. 8: A partial sectional view of the second embodiment of the present invention as set forth in claim 2,
FIG. 9: Cross-sectional view of a conventional coupling pin device. 1...Work machine lifting arm, 2...Work machine, 3...
...double acting hydraulic cylinder, 4...bracket, 5...
Tilt lever, 6...Tilt rod, 10...Mechanical operation link, 21, 22...Pin, 20R, 2
0L, 23R, 23L...Pin boss part, 24, 2
5, 26... Pin boss part, 30... Thrust generation forming part, 30a, 30b... Groove surface, 30A, 30B
... Opposing end surface, 31 ... Annular seat, 40 ... O-ring, 61 ... Thrust load member, F ... Elastic restoring force, R ... Radial direction, S ... Axial direction.

Claims (1)

【実用新案登録請求の範囲】 (1) 建設機械等の作業機の姿勢を作動及び保持
する機械作動リンクの関節結合ピン装置において
、ピンに結合される一方のリンクのピンボス部と
、他方のリンクのピンボス部との対向端面間に、
軸方向と半径方向への推力を発生させる推力発生
形成部を設けると共に、Ｏリングを前記推力発生
形成部に収容の上、前記Ｏリングに弾性力を付与
する軸方向移動手段を少なくとも１つのピンボス
部に設けたことを特徴とする作業機作動リンクの
結合ピン装置。 (2) 一方のリンクのピンボス部と、他方のリン
クのピンボス部との対向端面間に、軸方向の推力
を発生させるのに適合したＯリング溝を設けると
共に、前記の双方のピンボス部の内径とピン外形
の間に半径方向の推力を発生させるのに適合した
Ｏリング溝を設け、前記Ｏリング溝にＯリングを
収容の上、前記Ｏリングに弾性力を付与する軸方
向移動手段を少なくとも１つのピンボス部に設け
たことを特徴とする請求項１記載の作業機作動リ
ンクの結合ピン装置。[Claims for Utility Model Registration] (1) In an articulating pin device for a machine operation link that operates and maintains the posture of a working machine such as a construction machine, a pin boss portion of one link connected to the pin and a pin boss portion of the other link. between the end faces opposite to the pin boss part of
A thrust generating forming part that generates thrust in the axial direction and the radial direction is provided, an O-ring is accommodated in the thrust generating forming part, and an axial moving means for applying elastic force to the O-ring is provided with at least one pin boss. A connecting pin device for a working machine operating link, characterized in that the connecting pin device is provided in the section. (2) An O-ring groove suitable for generating axial thrust is provided between the opposing end surfaces of the pin boss portion of one link and the pin boss portion of the other link, and the inner diameter of both pin boss portions is provided. and an O-ring groove suitable for generating a radial thrust between the outer shape of the pin and the O-ring groove, the O-ring is accommodated in the O-ring groove, and at least an axial moving means for applying elastic force to the O-ring is provided. The connecting pin device for a working machine operating link according to claim 1, wherein the connecting pin device is provided in one pin boss portion.
JP1989110257U 1989-09-19 1989-09-19 Pending JPH0348117U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989110257U JPH0348117U (en) 1989-09-19 1989-09-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989110257U JPH0348117U (en) 1989-09-19 1989-09-19

Publications (1)

Publication Number Publication Date
JPH0348117U true JPH0348117U (en) 1991-05-08

Family

ID=31658804

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989110257U Pending JPH0348117U (en) 1989-09-19 1989-09-19

Country Status (1)

Country Link
JP (1) JPH0348117U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001040690A (en) * 1999-08-02 2001-02-13 Isamu Fujimori Attaching structure of attachment in power shovel
JP2007506907A (en) * 2003-06-24 2007-03-22 ツェーエヌハー・バウマシイネン・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング Bearings between components in construction civil machinery
JP2018204215A (en) * 2017-05-31 2018-12-27 株式会社竹内製作所 Boom connecting pin

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001040690A (en) * 1999-08-02 2001-02-13 Isamu Fujimori Attaching structure of attachment in power shovel
JP2007506907A (en) * 2003-06-24 2007-03-22 ツェーエヌハー・バウマシイネン・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング Bearings between components in construction civil machinery
JP2018204215A (en) * 2017-05-31 2018-12-27 株式会社竹内製作所 Boom connecting pin

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