JPH0328187U - - Google Patents
Info
- Publication number
- JPH0328187U JPH0328187U JP8922789U JP8922789U JPH0328187U JP H0328187 U JPH0328187 U JP H0328187U JP 8922789 U JP8922789 U JP 8922789U JP 8922789 U JP8922789 U JP 8922789U JP H0328187 U JPH0328187 U JP H0328187U
- Authority
- JP
- Japan
- Prior art keywords
- auxiliary jib
- crane
- boom
- jib
- tension rod
- 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図はこの考案によるチルト装置を組込んだ
クレーン補助ジブの側面図、第２図は第１図にお
ける−断面、第３図は第１図の二点鎖線の状
態におけるチルトシリンダ部分の拡大図、第４図
及び第５図はクレーン補助ジブを備えたクレーン
作業車によつて荷物を建物に降ろす作業の説明図
、第６図は従来の自動チルト装置を組込んだクレ
ーン補助ジブの側面図、第７図及び第８図はワイ
ヤロープの損傷に対する有利性を従来の自動チル
ト装置と比較して説明するための図面である。
１０３……補助ジブ、１０８，１０８′……リ
ンク、１０９，１０９′……チルトシリンダ、１
１１，１１１′……ピストンロツド。
Fig. 1 is a side view of a crane auxiliary jib incorporating a tilt device according to this invention, Fig. 2 is a - cross section in Fig. 1, and Fig. 3 is an enlarged view of the tilt cylinder section in the state indicated by the chain double-dashed line in Fig. 1. Figures 4 and 5 are explanatory diagrams of the work of unloading cargo onto a building by a crane work vehicle equipped with a crane auxiliary jib, and Figure 6 is a side view of a crane auxiliary jib incorporating a conventional automatic tilt device. 7, and 8 are diagrams for explaining the advantages against damage to the wire rope in comparison with a conventional automatic tilt device. 103... Auxiliary jib, 108, 108'... Link, 109, 109'... Tilt cylinder, 1
11,111'...Piston rod.
Claims (1)
に設け、ブームとクレーン補助ジブとをテンシヨ
ンロツドで連結したものにおいて、補助ジブに回
動自在に設けたリンクを介してテンシヨンロツド
を連結し、該リンクを回動する手段を設けること
により補助ジブを自動的にチルトすることを特徴
としたクレーン補助ジブのチルト装置。 A crane auxiliary jib is provided at the tip of the boom so that it can be raised and lowered, and the boom and the crane auxiliary jib are connected by a tension rod.The tension rod is connected to the auxiliary jib via a rotatable link, and the link is rotated. A tilting device for a crane auxiliary jib, characterized in that the auxiliary jib is automatically tilted by providing a means for moving the auxiliary jib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8922789U JPH0328187U (en) | 1989-07-31 | 1989-07-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8922789U JPH0328187U (en) | 1989-07-31 | 1989-07-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0328187U true JPH0328187U (en) | 1991-03-20 |
Family
ID=31638817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8922789U Pending JPH0328187U (en) | 1989-07-31 | 1989-07-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0328187U (en) |
-
1989
- 1989-07-31 JP JP8922789U patent/JPH0328187U/ja active Pending
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