JPS62103595U - - Google Patents
Info
- Publication number
- JPS62103595U JPS62103595U JP19569285U JP19569285U JPS62103595U JP S62103595 U JPS62103595 U JP S62103595U JP 19569285 U JP19569285 U JP 19569285U JP 19569285 U JP19569285 U JP 19569285U JP S62103595 U JPS62103595 U JP S62103595U
- Authority
- JP
- Japan
- Prior art keywords
- jib
- boom
- foot
- tip
- movable
- 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
- 230000005484 gravity Effects 0.000 claims description 3
Landscapes
- Jib Cranes (AREA)
Description
第１図は本考案の実施例にかかる補助ジブの垂
下状態の側面図、第２図は同ジブを約２７０°ツ
イスト回転させた状態の正面図、第３図は第１図
状態におけるジブ先端部の拡大図、第４図は同背
面図、第５図は従来の補助ジブを示す第１図相当
図、第６図は同ジブを約２７０°ツイスト回転さ
せた状態の側面図、第７図は同ジブ引上げ状態の
側面図である。
１…ブーム、１１，１２…ブームポイントピン
、２Ｂ…補助ジブ、２１…可動ジブフツト、２２
…固定ジブフツト、Ｏ…ジブ重心、ｌ３…可動ジ
ブフツトとジブ重心を通る直線、５…回転操作ア
ーム、７…把手。
Fig. 1 is a side view of the auxiliary jib according to the embodiment of the present invention in a hanging state, Fig. 2 is a front view of the same jib twisted and rotated approximately 270 degrees, and Fig. 3 is the tip of the jib in the state shown in Fig. 1. Fig. 4 is a rear view of the same, Fig. 5 is a view equivalent to Fig. 1 showing a conventional auxiliary jib, Fig. 6 is a side view of the same jib twisted approximately 270 degrees, Fig. 7 The figure is a side view of the same jib in a pulled up state. 1...Boom, 11, 12...Boom point pin, 2B...Auxiliary jib, 21...Movable jib foot, 22
...fixed jib foot, O...jib center of gravity, l3 ...straight line passing through movable jib foot and jib center of gravity, 5...rotating operation arm, 7...handle.
Claims (1)
ジブフツトの一方がその軸心まわりに回転しうる
可動ジブフツトに構成され、使用時には、両側ジ
ブフツトが、ブーム先端部の左右両側に突設され
たブームポイントピンに係合する状態でブーム先
端に張出され、不使用時にはブーム横側面に格納
され、張出し、格納作業の過程で、可動ジブフツ
トが一方のブームポイントピンに係合連結された
状態でこの可動ジブフツトの軸心まわりにツイス
ト回転しうるようにブーム先端部に吊持されるホ
イールクレーンの補助ジブにおいて、先端部に、
上記可動ジブフツトと補助ジブ重心を通る直線上
に位置する把手と、この把手を中心軸とするツイ
スト回転操作力が加えられる回転操作アームとが
ほぼ直交して設けられてなることを特徴とするホ
イール式クレーンの補助ジブ。 Jib feet are provided on both the left and right sides of the base end, and one of these jib feet on both sides is configured as a movable jib foot that can rotate around its axis. When in use, both jib feet are attached to a boom point that protrudes from both left and right sides of the boom tip. The movable jib foot is extended from the tip of the boom while engaging the pin, and is stored on the side of the boom when not in use. In the auxiliary jib of a wheel crane that is suspended from the tip of the boom so that it can twist and rotate around the axis of the jib foot, there is a
A wheel characterized in that a handle located on a straight line passing through the movable jib foot and the center of gravity of the auxiliary jib, and a rotation operation arm to which a twist rotation operation force is applied with the handle as a central axis are provided substantially perpendicular to each other. Auxiliary jib for type crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19569285U JPS62103595U (en) | 1985-12-19 | 1985-12-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19569285U JPS62103595U (en) | 1985-12-19 | 1985-12-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62103595U true JPS62103595U (en) | 1987-07-01 |
Family
ID=31153811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19569285U Pending JPS62103595U (en) | 1985-12-19 | 1985-12-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62103595U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995023111A1 (en) * | 1994-02-25 | 1995-08-31 | Komatsu Ltd. | Method and device for automatically stretching and storing a sub-jib for a crane |
-
1985
- 1985-12-19 JP JP19569285U patent/JPS62103595U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995023111A1 (en) * | 1994-02-25 | 1995-08-31 | Komatsu Ltd. | Method and device for automatically stretching and storing a sub-jib for a crane |
| JPH07237888A (en) * | 1994-02-25 | 1995-09-12 | Komatsu Mec Corp | Method and device for automatically projecting and housing auxiliary jib for crane |
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