JPS58170383U - Mounting structure of auxiliary jib on mobile crane - Google Patents
Mounting structure of auxiliary jib on mobile craneInfo
- Publication number
- JPS58170383U JPS58170383U JP4815082U JP4815082U JPS58170383U JP S58170383 U JPS58170383 U JP S58170383U JP 4815082 U JP4815082 U JP 4815082U JP 4815082 U JP4815082 U JP 4815082U JP S58170383 U JPS58170383 U JP S58170383U
- Authority
- JP
- Japan
- Prior art keywords
- auxiliary jib
- mobile crane
- mounting structure
- main boom
- base end
- 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
Landscapes
- Jib Cranes (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の取付構造により補助ジブを主ブーム先端
部に装着した移動式クレーンの全体側面図、第２図は第
１図における補助ジブの取付部を示す拡大側面図、第３
図は第２図とは異なる補助ジブを従来の取付構造により
主ブーム先端部に装着した補助ジブ取付部の拡大側面図
、第４図は第３図のＩＶ−ＩＶ矢視図、第５図及び第６
図は本考案の一実施例を示し、第５図は主ブーム先端部
に装着された補助ジブの取付部拡大平面図、第６図はそ
の側面図、第７図は補助ジブのシープが接地した状態を
説明する側面図、第８図は主ブームのポイントシーブが
接地した状態を説明する側面図、第９図及び第１０図は
本考案の他の実施例を示す補助ジブの取付部拡大側面図
である。
３・・・主ブーム、１７・・・補助ジブの本体、１７ａ
・・・フォーク部、１７ｂ・・・係合溝、１８・・・水
平軸、１９・・・ポイントシーブのシーブ軸、２０・・
・引張りばね、２１・・・ピン、２２・＝・固定全頁。
−第６図−
５，第５図
亀Figure 1 is an overall side view of a mobile crane with an auxiliary jib attached to the tip of the main boom using a conventional mounting structure. Figure 2 is an enlarged side view showing the attachment part of the auxiliary jib in Figure 1.
The figure is an enlarged side view of the auxiliary jib attachment section in which an auxiliary jib different from that in Figure 2 is attached to the tip of the main boom using a conventional attachment structure, Figure 4 is a view along the IV-IV arrow in Figure 3, and Figure 5 and the sixth
The figure shows one embodiment of the present invention, Fig. 5 is an enlarged plan view of the attachment part of the auxiliary jib attached to the tip of the main boom, Fig. 6 is a side view thereof, and Fig. 7 is the sheep of the auxiliary jib when it touches the ground. 8 is a side view illustrating the state in which the point sheave of the main boom is in contact with the ground. 9 and 10 are enlarged views of the attachment part of the auxiliary jib showing other embodiments of the present invention. FIG. 3... Main boom, 17... Main body of auxiliary jib, 17a
...Fork part, 17b... Engagement groove, 18... Horizontal shaft, 19... Sheave shaft of point sheave, 20...
・Tension spring, 21...Pin, 22...Fixed on all pages. -Figure 6- 5, Figure 5 Tortoise
Claims (1)
において、前記補助ジブの本体基端上部を水平軸を介し
て主ブームに回動可能に連結し、かつ本体基端下部を主
ブームに係合せしめ、前記補助ジブの本体は、上向きの
力を受けると、該本体の基端下部の主ブームに対する保
合が解かれて前記水平軸を支点として回動するように構
成されたことを特徴とする移動式クレーンにおけ′る補
助ジブの取付構造。In a mobile crane with an auxiliary jib attached to the tip of the main boom, the upper base end of the auxiliary jib is rotatably connected to the main boom via a horizontal shaft, and the lower base end of the auxiliary jib is connected to the main boom. and the main body of the auxiliary jib is configured such that when an upward force is applied, the lower base end of the main body is released from the main boom and rotates about the horizontal axis. Mounting structure for an auxiliary jib on a mobile crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4815082U JPS58170383U (en) | 1982-04-05 | 1982-04-05 | Mounting structure of auxiliary jib on mobile crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4815082U JPS58170383U (en) | 1982-04-05 | 1982-04-05 | Mounting structure of auxiliary jib on mobile crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58170383U true JPS58170383U (en) | 1983-11-14 |
Family
ID=30059085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4815082U Pending JPS58170383U (en) | 1982-04-05 | 1982-04-05 | Mounting structure of auxiliary jib on mobile crane |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58170383U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019177969A (en) * | 2018-03-30 | 2019-10-17 | コベルコ建機株式会社 | Crane and crane assembling method |
-
1982
- 1982-04-05 JP JP4815082U patent/JPS58170383U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019177969A (en) * | 2018-03-30 | 2019-10-17 | コベルコ建機株式会社 | Crane and crane assembling method |
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