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
Links
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000013016 damping Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000009413 insulation Methods 0.000 claims 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)
- Vibration Prevention Devices (AREA)
- Pivots And Pivotal Connections (AREA)
Description
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)
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.
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)
| 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 |
-
1988
- 1988-09-07 JP JP1988118178U patent/JPH0238520U/ja active Pending
Cited By (1)
| 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 |