JPH0172587U - - Google Patents
Info
- Publication number
- JPH0172587U JPH0172587U JP1987168682U JP16868287U JPH0172587U JP H0172587 U JPH0172587 U JP H0172587U JP 1987168682 U JP1987168682 U JP 1987168682U JP 16868287 U JP16868287 U JP 16868287U JP H0172587 U JPH0172587 U JP H0172587U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- link
- lower boom
- tip
- straight line
- 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
Landscapes
- Jib Cranes (AREA)
Description
第１図は本考案の一実施例のブーム全体を示す
平面図、第２図は第１図の側面図、第３図は折畳
み状態を示す平面図、第４図は第３図の―拡
大断面図、第５図は本考案のクレーンブームを備
えた移動式クレーン本体の側面図、第６図は従来
のクレーンブームを備えた移動式クレーン本体の
側面図、第７図は従来のクレーンブームの要部を
示す平面図、第８図は第７図の側面図である。
１は移動式クレーン本体、２は下ブーム、３は
上ブーム、１０は一側、１１はリンク、１２はピ
ン、１３は一側、１４はピン、１５，１６はブラ
ケツト、１７，１８はピン、１９，２０は連結ブ
ラケツト、２１はピンを示す。
Fig. 1 is a plan view showing the entire boom of an embodiment of the present invention, Fig. 2 is a side view of Fig. 1, Fig. 3 is a plan view showing the folded state, and Fig. 4 is an enlarged version of Fig. 3. 5 is a side view of a mobile crane body equipped with the crane boom of the present invention; FIG. 6 is a side view of a mobile crane body equipped with a conventional crane boom; and FIG. 7 is a side view of a mobile crane body equipped with a conventional crane boom. FIG. 8 is a side view of FIG. 7. 1 is a mobile crane body, 2 is a lower boom, 3 is an upper boom, 10 is one side, 11 is a link, 12 is a pin, 13 is one side, 14 is a pin, 15 and 16 are brackets, 17 and 18 are pins , 19 and 20 are connection brackets, and 21 is a pin.
Claims (1)
付け、該下ブームの一側先端にリンクを枢着し、
該リンクの先端に上ブームの一側基端を枢着し、
前記リンクが下ブームの一側と一直線の位置にあ
るとき前記リンクを下ブームに固定可能とし、前
記下ブームの一側と前記リンクと前記上ブームの
一側とが一直線の位置にあるとき前記下ブームの
他側先端と前記上ブームの他側基端とを結合可能
とし、前記リンクの固定を解除し、前記上ブーム
の一側を前記下ブームの一側に沿わせた状態で前
記上ブームの一側を前記下ブームの一側に連結可
能としたことを特徴とするクレーンブーム。 A lower boom is attached to the mobile crane body so that it can be raised and lowered freely, and a link is pivotally attached to one end of the lower boom.
One base end of the upper boom is pivotally connected to the tip of the link,
When the link is in a straight line with one side of the lower boom, the link can be fixed to the lower boom, and when the one side of the lower boom, the link, and the one side of the upper boom are in a straight line, the link can be fixed to the lower boom. The tip of the other side of the lower boom and the base end of the other side of the upper boom can be connected, the link is released, and the upper boom is connected with one side of the upper boom along one side of the lower boom. A crane boom characterized in that one side of the boom can be connected to one side of the lower boom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16868287U JPH052542Y2 (en) | 1987-11-04 | 1987-11-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16868287U JPH052542Y2 (en) | 1987-11-04 | 1987-11-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0172587U true JPH0172587U (en) | 1989-05-16 |
| JPH052542Y2 JPH052542Y2 (en) | 1993-01-21 |
Family
ID=31458072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16868287U Expired - Lifetime JPH052542Y2 (en) | 1987-11-04 | 1987-11-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH052542Y2 (en) |
-
1987
- 1987-11-04 JP JP16868287U patent/JPH052542Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH052542Y2 (en) | 1993-01-21 |