JPH0238520U - - Google Patents

Info

Publication number
JPH0238520U
JPH0238520U JP1988118178U JP11817888U JPH0238520U JP H0238520 U JPH0238520 U JP H0238520U JP 1988118178 U JP1988118178 U JP 1988118178U JP 11817888 U JP11817888 U JP 11817888U JP H0238520 U JPH0238520 U JP H0238520U
Authority
JP
Japan
Prior art keywords
cylindrical body
cylinder part
peripheral surface
hard resin
pin
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
JP1988118178U
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 JP1988118178U priority Critical patent/JPH0238520U/ja
Publication of JPH0238520U publication Critical patent/JPH0238520U/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)
  • Vibration Prevention Devices (AREA)
  • Pivots And Pivotal Connections (AREA)

Description

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

第1図はこの考案にかかるブツシユをそなえた
ピン結合部の断面図、第2図はこの考案のブツシ
ユの断面詳細図、第3図は第2図のブツシユをA
より見た側面図、第4図は油圧シヨベルの側面図
、第5図は従来技術ピン結合部の断面図である。 3…作業アタツチメント、11〜17,18,
28…ピン結合部、19…ブラケツト部材、20
,20′…ボス部材、21,21′,27…ブツ
シユ、24…連結ピン、29…外筒部筒体、30
…内筒部筒体、31…硬質樹脂部材。
Fig. 1 is a sectional view of a pin joint part equipped with a bushing according to this invention, Fig. 2 is a detailed sectional view of the bushing of this invention, and Fig. 3 is a cross-sectional view of the bushing in Fig. 2.
FIG. 4 is a side view of the hydraulic excavator, and FIG. 5 is a sectional view of a conventional pin joint. 3...Work attachment, 11-17, 18,
28... Pin joint portion, 19... Bracket member, 20
, 20'... Boss member, 21, 21', 27... Bush, 24... Connection pin, 29... Outer cylindrical body, 30
...Inner cylinder part cylinder body, 31...Hard resin member.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ピン挿嵌穴を有する一方のブラケツト部材と、
相手方部材となるボス部材とを連結ピンにて互い
に回動自在に連結したピン結合部において、上記
ブラケツト部材またはボス部材の内部に嵌着して
いるブツシユを外筒部筒体と内筒部筒体とに分割
し、上記外筒部筒体内周面と内筒部筒体外周面と
の間に、振動減衰性および遮音性を有する硬質樹
脂部材を介設せしめ、上記外筒部筒体、硬質樹脂
部材および内筒部筒体を一体形に形成して構成し
たことを特徴とする連結ピン用ブツシユ。
one bracket member having a pin insertion hole;
At the pin joint where the boss member, which is the other member, is rotatably connected to each other by a connecting pin, the bush fitted inside the bracket member or the boss member is connected to the outer cylindrical body and the inner cylindrical body. a hard resin member having vibration damping properties and sound insulation properties is interposed between the inner peripheral surface of the outer cylinder part and the outer peripheral surface of the inner cylinder part, the outer cylinder part cylinder, A bush for a connecting pin, characterized in that a hard resin member and an inner cylindrical body are integrally formed.
JP1988118178U 1988-09-07 1988-09-07 Pending JPH0238520U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988118178U JPH0238520U (en) 1988-09-07 1988-09-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988118178U JPH0238520U (en) 1988-09-07 1988-09-07

Publications (1)

Publication Number Publication Date
JPH0238520U true JPH0238520U (en) 1990-03-14

Family

ID=31362309

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988118178U Pending JPH0238520U (en) 1988-09-07 1988-09-07

Country Status (1)

Country Link
JP (1) JPH0238520U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115003928A (en) * 2020-02-11 2022-09-02 麦普有限公司 Vibration damping device for excavator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115003928A (en) * 2020-02-11 2022-09-02 麦普有限公司 Vibration damping device for excavator

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