JPH0376054U - - Google Patents
Info
- Publication number
- JPH0376054U JPH0376054U JP1989138300U JP13830089U JPH0376054U JP H0376054 U JPH0376054 U JP H0376054U JP 1989138300 U JP1989138300 U JP 1989138300U JP 13830089 U JP13830089 U JP 13830089U JP H0376054 U JPH0376054 U JP H0376054U
- Authority
- JP
- Japan
- Prior art keywords
- pin
- pair
- pin boss
- radial
- annular body
- 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
- 239000002184 metal Substances 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims 3
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
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放射状底面３０の拡大図
を示し、第６図ａは第５図のピンボス部２３の端
面３６のＺ矢視図を示し、第６図ｂ第５図のピン
ボス部２３の端面３６のＺ矢視図を示で溝形状の
他の実施例をしめす。
１１……ピン、２１Ｒ，２１Ｌ，２３……ピン
ボス、３０……放射状底面、３１……円周溝、３
５……磨耗防止リング、３６……直径方向に伸長
する溝、４０……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, FIG. Fig. 6a shows a Z-arrow view of the end face 36 of the pin boss portion 23 in Fig. 5, and Fig. 6b shows a Z-arrow view of the end face 36 of the pin boss portion 23 in Fig. 5. Here's an example. 11... Pin, 21R, 21L, 23... Pin boss, 30... Radial bottom surface, 31... Circumferential groove, 3
5... Anti-wear ring, 36... Groove extending in the diametrical direction, 40... Elastic annular body, 40a... Rigid elastic metal ring, 40b... Covering ring.
Claims (1)
構の各リンク間を連結するピン連結部において、
ピンにて結合される一方の連結部材に含ませる左
右一対のピンボス部と、他方の連結部材に含まれ
るピンボス部の端面との対向端面を対に組合せて
放射状底面を含む円周溝を形成し、前記対向端面
のそれぞれに直径方向に伸長する溝を形成し、前
記円周溝内に一対の磨耗防止リングを、配設し、
該磨耗防止リングに前記直径方向に伸長する溝に
係合する係合部を設け、前記磨耗リング間に被覆
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 a pair of left and right pin boss portions included in one connecting member connected by a pin and opposing end surfaces of the end surface of the pin boss portion included in the other connecting member into a pair. , forming a groove extending in the diametrical direction on each of the opposing end surfaces, and disposing a pair of wear prevention rings in the circumferential groove,
The wear prevention ring is provided with an engaging portion that engages with the groove extending in the diametrical direction, and an elastic annular body made of a rigid elastic metal ring covered with a covering ring is freely inserted between the wear rings, and one side A vibration prevention device for a pin connecting portion, characterized in that the pin boss portion is slid in the axial direction and the elastic annular body is expanded in the radial direction to suppress vibrations between the pin boss portions in the axial and radial directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989138300U JPH0376054U (en) | 1989-11-29 | 1989-11-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989138300U JPH0376054U (en) | 1989-11-29 | 1989-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0376054U true JPH0376054U (en) | 1991-07-30 |
Family
ID=31685410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989138300U Pending JPH0376054U (en) | 1989-11-29 | 1989-11-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0376054U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001040690A (en) * | 1999-08-02 | 2001-02-13 | Isamu Fujimori | Attaching structure of attachment in power shovel |
-
1989
- 1989-11-29 JP JP1989138300U patent/JPH0376054U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001040690A (en) * | 1999-08-02 | 2001-02-13 | Isamu Fujimori | Attaching structure of attachment in power shovel |