JPS6173917U - - Google Patents

Info

Publication number
JPS6173917U
JPS6173917U JP1984158461U JP15846184U JPS6173917U JP S6173917 U JPS6173917 U JP S6173917U JP 1984158461 U JP1984158461 U JP 1984158461U JP 15846184 U JP15846184 U JP 15846184U JP S6173917 U JPS6173917 U JP S6173917U
Authority
JP
Japan
Prior art keywords
bush
pin
boss
bushing
sliding surface
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
JP1984158461U
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 JP1984158461U priority Critical patent/JPS6173917U/ja
Publication of JPS6173917U publication Critical patent/JPS6173917U/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)
  • Sliding-Contact Bearings (AREA)
  • Pivots And Pivotal Connections (AREA)

Description

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

第１図および第２図は油圧シヨベルの外観図お
よびそのピン・ボス締結部の断面図、第３図は従
来のピン・ボス締結部における摺動面の面圧発生
状況の説明図、第４図は本考案のピン・ボス締結
部のブツシユ構造の一実施例を示す断面図、第５
図は同実施例のブツシユ構造の断面図である。 １…バケツト、２…アーム、３…ブーム、４，
５…リンク、６，７，８…シリンダ、１３…ピン
、１５…シヨベル本体、１６ａ，１６ｂ…スリツ
ト状セラミツクス、１８ａ，１８ｂ…金属外筒。 Figures 1 and 2 are an external view of a hydraulic excavator and a sectional view of its pin/boss connection, Figure 3 is an explanatory diagram of the generation of surface pressure on the sliding surface in a conventional pin/boss connection, and Figure 4 The figure is a sectional view showing one embodiment of the bushing structure of the pin/boss fastening part of the present invention.
The figure is a sectional view of the bushing structure of the same embodiment. 1...bucket, 2...arm, 3...boom, 4,
5...Link, 6,7,8...Cylinder, 13...Pin, 15...Shovel body, 16a, 16b...Slit-shaped ceramic, 18a, 18b...Metal outer cylinder.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ボスに圧入したブツシユと、このブツシユに挿
入したピンにより摺動面を形成するピン・ボス締
結部において、前記ブツシユをセラミツクスとテ
フロン系潤滑材を含浸した焼結合金よりなる内筒
と金属外筒とを一体に結合して複合ブツシユに構
成したことを特徴とするブツシユ構造。 In the pin-boss connection part where a sliding surface is formed by a bush press-fitted into the boss and a pin inserted into the bush, the bush is connected to an inner cylinder made of ceramics and a sintered alloy impregnated with a Teflon-based lubricant, and a metal outer cylinder. A bushing structure characterized in that the bushings are integrally combined to form a composite bushing.
JP1984158461U 1984-10-22 1984-10-22 Pending JPS6173917U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984158461U JPS6173917U (en) 1984-10-22 1984-10-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984158461U JPS6173917U (en) 1984-10-22 1984-10-22

Publications (1)

Publication Number Publication Date
JPS6173917U true JPS6173917U (en) 1986-05-19

Family

ID=30716440

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984158461U Pending JPS6173917U (en) 1984-10-22 1984-10-22

Country Status (1)

Country Link
JP (1) JPS6173917U (en)

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