JPH0470890U - - Google Patents
Info
- Publication number
- JPH0470890U JPH0470890U JP11507190U JP11507190U JPH0470890U JP H0470890 U JPH0470890 U JP H0470890U JP 11507190 U JP11507190 U JP 11507190U JP 11507190 U JP11507190 U JP 11507190U JP H0470890 U JPH0470890 U JP H0470890U
- Authority
- JP
- Japan
- Prior art keywords
- pin
- auxiliary jib
- bracket
- fixed bracket
- crane
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Jib Cranes (AREA)
Description
第１図は、本考案に係るクレーンの補助ジブ取
付構造を装備したクレーン車の全体斜視図、第２
図ａ，ｂは本考案に係るクレーンの補助ジブ取付
構造を詳細に示す説明図、第３図ａ，ｂは従来の
クレーンの補助ジブ取付構造を示した説明図であ
る。
１……クレーン車、２……車台、３……ターン
テーブル、４……メインブーム、４ａ……基端ブ
ーム、４ｂ……第１中間ブーム、４ｃ……第２中
間ブーム、４ｄ……先端ブーム、４ｄ１……先端
、６……ブラケツト、７……補助ジブ、７ａ……
基端、２１……固定ブラケツト、２１ａ，２１ｂ
，２１ｃ……透孔、２２……可動ブラケツト、２
２ａ……フツク部、２２ｂ……透孔、２３……枢
支ピン、２４……第１ピン、２４ａ……第２ピン
。
Figure 1 is an overall perspective view of a crane truck equipped with the crane auxiliary jib mounting structure according to the present invention;
Figures a and b are explanatory diagrams showing details of the auxiliary jib mounting structure for a crane according to the present invention, and Figures 3a and 3b are explanatory diagrams showing a conventional auxiliary jib mounting structure for a crane. 1... Crane vehicle, 2... Chassis, 3... Turntable, 4... Main boom, 4a... Base end boom, 4b... First intermediate boom, 4c... Second intermediate boom, 4d... Tip Boom, 4d 1 ... Tip, 6... Bracket, 7... Auxiliary jib, 7a...
Base end, 21... Fixed bracket, 21a, 21b
, 21c...Through hole, 22...Movable bracket, 2
2a...Hook portion, 22b...Through hole, 23...Pivot pin, 24...First pin, 24a...Second pin.
Claims (1)
補助ジブ取付構造において、前記ブームの先端に
取り付けられた固定ブラケツトと、前記補助ジブ
の基端に取り付けられ、前記固定ブラケツトの下
方に水平に挿通される枢支ピンにより上下に揺動
自在に枢支される可動ブラケツトと、前記固定ブ
ラケツトの上方に着脱自在に水平に挿通される第
１ピンと、前記固定プラケツトの第１ピンの前方
で、枢支ピンを中心にして第１ピンと同一円弧上
に水平に挿通される第２ピンと、前記可動ブラケ
ツトの上方に前方に開口するように設けられ、前
記第１ピンあるいは第２ピンと係合可能なフツク
部とより構成したことを特徴とするクレーンの補
助ジブ取付構造。 An auxiliary jib mounting structure for a crane in which an auxiliary jib can be attached to the tip of the boom, including a fixed bracket attached to the tip of the boom, and a bracket attached to the base end of the auxiliary jib and inserted horizontally below the fixed bracket. a movable bracket that is pivotally supported by a pivot pin so as to be able to swing up and down; a first pin that is removably inserted horizontally above the fixed bracket; and a pivot pin in front of the first pin of the fixed bracket. a second pin inserted horizontally on the same arc as the first pin with the center at the center; and a hook portion provided to open forward above the movable bracket and capable of engaging with the first pin or the second pin. An auxiliary jib mounting structure for a crane, which is characterized by having a structure made up of:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11507190U JPH0470890U (en) | 1990-10-31 | 1990-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11507190U JPH0470890U (en) | 1990-10-31 | 1990-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0470890U true JPH0470890U (en) | 1992-06-23 |
Family
ID=31862808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11507190U Pending JPH0470890U (en) | 1990-10-31 | 1990-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0470890U (en) |
-
1990
- 1990-10-31 JP JP11507190U patent/JPH0470890U/ja active Pending