JPH01180012U - - Google Patents
Info
- Publication number
- JPH01180012U JPH01180012U JP1988077377U JP7737788U JPH01180012U JP H01180012 U JPH01180012 U JP H01180012U JP 1988077377 U JP1988077377 U JP 1988077377U JP 7737788 U JP7737788 U JP 7737788U JP H01180012 U JPH01180012 U JP H01180012U
- Authority
- JP
- Japan
- Prior art keywords
- boss member
- pin
- rod boss
- sealing member
- load sealing
- 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
- 238000007789 sealing Methods 0.000 claims 3
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion 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
- Pivots And Pivotal Connections (AREA)
- Component Parts Of Construction Machinery (AREA)
Description
第１図はこの考案にかかる軸受構造をそなえた
ピン結合部の断面図、第２図は第１図のＢ部詳細
図、第３図は油圧シヨベルの側面図、第４図は第
３図のＡ―Ａより見た断面図である。
３……作業アタツチメント、５，１８……セン
ターボス部材、７，１９…ロツドボス部材、８，
１７…ピン結合部、９，９′……給脂用配管、１
１，１２，２２，２３……ピン挿嵌穴、１４，２
０……ピン、２４……負荷シール部材、２５……
締付金具、２６……ボルト部材。
Figure 1 is a sectional view of a pin joint equipped with a bearing structure according to this invention, Figure 2 is a detailed view of section B in Figure 1, Figure 3 is a side view of the hydraulic excavator, and Figure 4 is Figure 3. FIG. 3... Working attachment, 5, 18... Center boss member, 7, 19... Rod boss member, 8,
17...Pin joint, 9,9'...Greasing piping, 1
1, 12, 22, 23...Pin insertion hole, 14, 2
0...Pin, 24...Load seal member, 25...
Tightening fitting, 26... Bolt member.
Claims (1)
部材がピンを介して連結され、かつそのピンに対
して上記ロツドボス部材が回動自在に結合された
ピン結合部において、上記左右ロツドボス部材の
それぞれ両端面部に負荷シール部材を設け、その
負荷シール部材の内周部をピン外周部の全周にわ
たつて対接せしめ、またピンの左右両端面側に締
付金具を設け、その左右締付金具をボルト部材に
より締付固定したとき上記負荷シール部材を締付
金具とロツドボス部材間、およびロツドボス部材
とセンターボス部材間にそれぞれ圧縮嵌着可能に
設定して構成したことを特徴とする作業アタツチ
メントの軸受構造。 A rod boss member is connected to both left and right end surfaces of the center boss member via a pin, and the rod boss member is rotatably connected to the pin. A load sealing member is provided, and the inner circumference of the load sealing member is brought into contact with the entire outer circumference of the pin, and tightening fittings are provided on both left and right end surfaces of the pin, and the left and right tightening fittings are connected to bolt members. A bearing structure for a work attachment, characterized in that the load sealing member is configured to be compressively fitted between the clamping fitting and the rod boss member, and between the rod boss member and the center boss member, respectively, when tightened and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988077377U JPH01180012U (en) | 1988-06-10 | 1988-06-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988077377U JPH01180012U (en) | 1988-06-10 | 1988-06-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01180012U true JPH01180012U (en) | 1989-12-25 |
Family
ID=31302368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988077377U Pending JPH01180012U (en) | 1988-06-10 | 1988-06-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01180012U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000022309A1 (en) * | 1998-10-09 | 2000-04-20 | Hitachi Construction Machinery Co., Ltd. | Bearing device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5417733U (en) * | 1978-06-20 | 1979-02-05 | ||
| JPH027289U (en) * | 1988-06-29 | 1990-01-18 |
-
1988
- 1988-06-10 JP JP1988077377U patent/JPH01180012U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5417733U (en) * | 1978-06-20 | 1979-02-05 | ||
| JPH027289U (en) * | 1988-06-29 | 1990-01-18 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000022309A1 (en) * | 1998-10-09 | 2000-04-20 | Hitachi Construction Machinery Co., Ltd. | Bearing device |