JPH02139952U - - Google Patents

Info

Publication number
JPH02139952U
JPH02139952U JP1989049906U JP4990689U JPH02139952U JP H02139952 U JPH02139952 U JP H02139952U JP 1989049906 U JP1989049906 U JP 1989049906U JP 4990689 U JP4990689 U JP 4990689U JP H02139952 U JPH02139952 U JP H02139952U
Authority
JP
Japan
Prior art keywords
pin
link
pin boss
thrust
annular body
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
JP1989049906U
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 JP1989049906U priority Critical patent/JPH02139952U/ja
Publication of JPH02139952U publication Critical patent/JPH02139952U/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)
  • Pivots And Pivotal Connections (AREA)

Description

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

第１図〜第４図は本考案の作業機作動リンクの
関節結合ピンの隙間調整装置の実施例を示す図で
あつて、詳しくは、第１図は実施例を搭載したパ
ワーシヨベルの機械作動リンク部の外観図、第２
図は第１図のＸ−Ｘ断面図、第３図は環状受座の
取付け説明図、第４図は剛弾性環状体の正面図、
第５図は作業機作動リンクの結合ピン装置の従来
例を示す図である。 １……作業機昇降アーム、２……作業機、３…
…複動油圧シリンダ、５……チルトレバー、６…
…チルドロツト、２１，２２……ピン、２０Ｌ，
２０Ｒ，２３Ｌ，２３Ｒ，２４，２５，２６……
ボス部、３０……推力分与形成部、３０Ａ，３０
Ｂ……対向端面、３０ａ，３０ｂ……開先面、３
１，３２……環状受座、４０……剛弾性環状体、
４１……推力負荷部材、Ｆ……弾性復原力、Ｒ…
…半径方向、Ｓ……軸方向。 1 to 4 are diagrams showing an embodiment of the clearance adjustment device for the articulation pin of the working machine operation link of the present invention, and in detail, FIG. 1 shows the mechanical operation link of a power shovel equipped with the embodiment. External view of the section, 2nd
The figure is a sectional view taken along the line X-X in Figure 1, Figure 3 is an explanatory diagram of the installation of the annular seat, and Figure 4 is a front view of the rigid elastic annular body.
FIG. 5 is a diagram showing a conventional example of a coupling pin device for a working machine operating link. 1...Work machine lifting arm, 2...Work machine, 3...
...Double acting hydraulic cylinder, 5...Tilt lever, 6...
...Childrot, 21, 22...Pin, 20L,
20R, 23L, 23R, 24, 25, 26...
Boss part, 30... Thrust distribution forming part, 30A, 30
B... Opposing end surface, 30a, 30b... Groove surface, 3
1, 32... Annular catch, 40... Rigid elastic annular body,
41... 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】[Scope of utility model registration request] パワーシヨベル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であつ
て、ピンにより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の対向端面に
、軸方向と半径方向へ推力を分与する推力分与形
成部を設けた環状受座を回動しないように取付け
、剛弾性環状体を前記推力分与形成部に収容の上
、前記剛弾性環状体に半径方向の弾性力を付与す
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関節結合ピンの隙間調
整装置。 This is an articulation pin device for a mechanically operated link that operates and maintains the posture of a working machine such as a power shovel, and the pin boss part of one link connected by the pin and the pin boss part of the other link have an axially An annular seat provided with a thrust distribution forming part that distributes thrust in the radial direction is mounted so as not to rotate, and a rigid elastic annular body is accommodated in the thrust distribution formation part, and then the rigid elastic annular body is 1. A gap adjustment device for articulation pins, characterized in that an axial moving means for applying a radial elastic force is provided on at least one pin boss portion.
JP1989049906U 1989-04-27 1989-04-27 Pending JPH02139952U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989049906U JPH02139952U (en) 1989-04-27 1989-04-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989049906U JPH02139952U (en) 1989-04-27 1989-04-27

Publications (1)

Publication Number Publication Date
JPH02139952U true JPH02139952U (en) 1990-11-22

Family

ID=31567998

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989049906U Pending JPH02139952U (en) 1989-04-27 1989-04-27

Country Status (1)

Country Link
JP (1) JPH02139952U (en)

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