JPH0376053U - - Google Patents
Info
- Publication number
- JPH0376053U JPH0376053U JP1989138299U JP13829989U JPH0376053U JP H0376053 U JPH0376053 U JP H0376053U JP 1989138299 U JP1989138299 U JP 1989138299U JP 13829989 U JP13829989 U JP 13829989U JP H0376053 U JPH0376053 U JP H0376053U
- Authority
- JP
- Japan
- Prior art keywords
- pin
- circumferential groove
- radial
- annular body
- connection part
- 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.)
- Granted
Links
- 239000002184 metal Substances 0.000 claims description 2
- 230000002265 prevention Effects 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)
- Pivots And Pivotal Connections (AREA)
Description
第１図はパワーシヨベルの作業機装置を示し、
第２図は機械作動リンクのピン連結部を示し、第
３図はピン１１の溝１３の形状を示し、第４図ａ
は弾性環状体４０の側面図を示し、第４図ｂは第
４図ａのｂ−ｂ断面図を示し、第５図はピンボス
部２１Ｒ，２１Ｌ，２３の放射状底面３０の拡大
図を示す。
１１……ピン、２１Ｒ，２１Ｌ，２３……ピン
ボス、３０……放射状底面、３１……円周溝、４
０……弾性環状体、４０ａ……剛弾性金属リング
、４０ｂ……被覆リング。
Figure 1 shows the working equipment of a power shovel.
FIG. 2 shows the pin connection part of the mechanically actuated link, FIG. 3 shows the shape of the groove 13 of the pin 11, and FIG. 4 a
4b shows a side view of the elastic annular body 40, FIG. 4b shows a sectional view taken along line bb in FIG. 4a, and FIG. 11... Pin, 21R, 21L, 23... Pin boss, 30... Radial bottom surface, 31... Circumferential groove, 4
0...Elastic annular body, 40a...Rigid elastic metal ring, 40b...Coated ring.
Claims (1)
構の各リンク間を連結するピン連結部において、
ピンにて連結される一方の連結部材に含まれる左
右一対のピンボス部と、他方の連結部材に含まれ
るピンボス部との対向端面を対に組合せて放射底
面を含む円周溝を形成し、前記円周溝に被覆リン
グで覆われた剛弾性金属リングより構成される弾
性環状体を自由挿入するとともに一方のピンボス
部を軸方向スライドのうえ前記弾性環状体を半径
方向へ拡開して、ピンボス部同志の軸方向及び半
径方向の振動を抑制することを特徴とするピン連
結部の振動防止装置。 In the pin connection part that connects each link of a link mechanism that operates a work machine such as a power shovel,
A circumferential groove including a radial bottom surface is formed by combining the opposing end surfaces of a pair of left and right pin boss portions included in one connecting member connected by a pin and a pin boss portion included in the other connecting member into a pair, and forming a circumferential groove including a radial bottom surface. An elastic annular body made of a rigid elastic metal ring covered with a covering ring is freely inserted into the circumferential groove, and one pin boss portion is slid in the axial direction, and the elastic annular body is expanded in the radial direction. A vibration prevention device for a pin connection part, characterized by suppressing vibrations in the axial and radial directions between the parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989138299U JPH083472Y2 (en) | 1989-11-29 | 1989-11-29 | Vibration prevention device for pin connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989138299U JPH083472Y2 (en) | 1989-11-29 | 1989-11-29 | Vibration prevention device for pin connection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0376053U true JPH0376053U (en) | 1991-07-30 |
| JPH083472Y2 JPH083472Y2 (en) | 1996-01-31 |
Family
ID=31685409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989138299U Expired - Lifetime JPH083472Y2 (en) | 1989-11-29 | 1989-11-29 | Vibration prevention device for pin connection |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH083472Y2 (en) |
-
1989
- 1989-11-29 JP JP1989138299U patent/JPH083472Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH083472Y2 (en) | 1996-01-31 |