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
Links
- 239000000919 ceramic Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000004809 Teflon Substances 0.000 claims 1
- 229920006362 Teflon® Polymers 0.000 claims 1
- 239000000956 alloy Substances 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 239000002131 composite material Substances 0.000 claims 1
- 239000000314 lubricant Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
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
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)
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.
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) |
-
1984
- 1984-10-22 JP JP1984158461U patent/JPS6173917U/ja active Pending
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