JPS63148689U - - Google Patents
Info
- Publication number
- JPS63148689U JPS63148689U JP3990287U JP3990287U JPS63148689U JP S63148689 U JPS63148689 U JP S63148689U JP 3990287 U JP3990287 U JP 3990287U JP 3990287 U JP3990287 U JP 3990287U JP S63148689 U JPS63148689 U JP S63148689U
- Authority
- JP
- Japan
- Prior art keywords
- pins
- tension bar
- oil
- pin
- rotary
- 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
- 238000005461 lubrication Methods 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
Landscapes
- Jib Cranes (AREA)
Description
第１図は本考案の一実施例のテンシヨンバーの
ピン部の上面図、第２図は第１図の正面図、第３
図はテンシヨンバー付近のクレーンの正面図であ
る。
１，２，７…給油管、３，４…回転継手、１０
…テンシヨンバー、１１ａ，１１ｂ，１１ｃ，１
２ａ，１２ｂ…リンク、１３ａ，１３ｂ…ピン、
２１…ブーム、２２…マスト。
Fig. 1 is a top view of the pin part of a tension bar according to an embodiment of the present invention, Fig. 2 is a front view of Fig. 1, and Fig.
The figure is a front view of the crane near the tension bar. 1, 2, 7...Oil supply pipe, 3, 4...Rotary joint, 10
...Tension bar, 11a, 11b, 11c, 1
2a, 12b...link, 13a, 13b...pin,
21...boom, 22...mast.
Claims (1)
なテンシヨンバーを設け、このテンシヨンバーは
一つの短いリンクとこの両側に連結する長いリン
クと両者を連結する２つのピンとからなり、前記
ピンへ給油するようにしたクレーンのテンシヨン
バーの給油装置において、前記２つのピンのうち
一方のピンの軸心に２つの回転継手を設け、一方
の回転継手はこの一方のピンに給油するように設
け、他方の回転継手と他方のピンとの間に金属製
の給油管を設け、前記一方のピンに連結した一方
の長いリンクと前記２つの回転継手との間に金属
製の給油管を設けたことを特徴とするクレーンの
テンシヨンバーの給油装置。 A bendable tension bar is provided between the boom and the mast, which can be raised and lowered freely. In the crane tension bar oil supply system, two rotary joints are provided at the axis of one of the two pins, one rotary joint is provided to supply oil to one of the pins, and the other rotary joint is provided to supply oil to one of the pins. and the other pin, and a metal oil supply pipe is provided between one long link connected to the one pin and the two rotary joints. Tension bar lubrication device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3990287U JPS63148689U (en) | 1987-03-20 | 1987-03-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3990287U JPS63148689U (en) | 1987-03-20 | 1987-03-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63148689U true JPS63148689U (en) | 1988-09-30 |
Family
ID=30853507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3990287U Pending JPS63148689U (en) | 1987-03-20 | 1987-03-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63148689U (en) |
-
1987
- 1987-03-20 JP JP3990287U patent/JPS63148689U/ja active Pending
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