JPS63175688U - - Google Patents
Info
- Publication number
- JPS63175688U JPS63175688U JP4975787U JP4975787U JPS63175688U JP S63175688 U JPS63175688 U JP S63175688U JP 4975787 U JP4975787 U JP 4975787U JP 4975787 U JP4975787 U JP 4975787U JP S63175688 U JPS63175688 U JP S63175688U
- Authority
- JP
- Japan
- Prior art keywords
- jib
- telescopic boom
- support device
- tip
- boom
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Jib Cranes (AREA)
Description
第１図は本考案の第１実施例にかかるジブ付き
クレーン装置の側面図、第２図は第１図のジブ付
きクレーン装置の作用説明図、第３図は第１図の
ジブ付きクレーン装置におけるジブ装着方法説明
図、第４図は本考案の第２実施例にかかるジブ付
きクレーン装置の一部側面図、第５図は本考案の
第３実施例にかかるジブ付きクレーン装置の側面
図、第６図は従来のジブ付きクレーン装置の側面
図である。
２……旋回台（基台）、３……伸縮ブーム、４
……ジブ、５……ジブ支持装置、６……油圧シリ
ンダ、１０……操作室、３１，３２……基台側ブ
ーム、３３……先端ブーム、３３ａ……伸縮ブー
ム先端部。
FIG. 1 is a side view of the jib-equipped crane device according to the first embodiment of the present invention, FIG. 2 is an explanatory diagram of the operation of the jib-equipped crane device of FIG. 1, and FIG. 3 is the jib-equipped crane device of FIG. 1. 4 is a partial side view of a crane device with a jib according to a second embodiment of the present invention, and FIG. 5 is a side view of a crane device with a jib according to a third embodiment of the present invention. , FIG. 6 is a side view of a conventional crane device with a jib. 2...Swivel base (base), 3...Telescopic boom, 4
... Jib, 5 ... Jib support device, 6 ... Hydraulic cylinder, 10 ... Operation room, 31, 32 ... Base side boom, 33 ... Tip boom, 33a ... Telescopic boom tip.
Claims (1)
側ブーム３１，３２に対して先端ブーム３３を伸
縮自在に連結してなる伸縮ブーム３の先端部３３
ａにジブ４を前記伸縮ブーム３の起伏軌跡面内で
上下方向に枢動自在なる如くして枢着し、さらに
前記伸縮ブーム先端部３３ａと前記ジブ４との間
に適宜長さをもつジブ支持装置５を介設して前記
ジブ４を前記伸縮ブーム３に対して所定角度をも
つて支持せしめ得る如くしたジブ付きクレーン装
置であつて、前記ジブ支持装置５の長さ方向中間
部に油圧シリンダ６が伸縮操作可能なる如くして
介設されており、該油圧シリンダ６を伸縮動作せ
しめることにより前記ジブ支持装置５の長さを変
化せしめ得る如く構成されていることを特徴とす
るジブ付きクレーン装置。 A tip end portion 33 of a telescopic boom 3 that is attached to the base 2 so as to be able to rise and fall freely, and a tip boom 33 is telescopically connected to the base side booms 31 and 32.
A jib 4 is pivotally attached to the telescopic boom 3 so as to be able to pivot vertically within the up-and-down trajectory plane of the telescopic boom 3, and the jib 4 has an appropriate length between the telescopic boom tip 33a and the jib 4. The jib-equipped crane device is capable of supporting the jib 4 at a predetermined angle with respect to the telescopic boom 3 by interposing a support device 5, and the jib support device 5 is provided with hydraulic pressure at a longitudinally intermediate portion of the jib support device 5. A jib-equipped device characterized in that a cylinder 6 is interposed so as to be extendable and retractable, and the length of the jib support device 5 can be changed by making the hydraulic cylinder 6 extend and retract. Crane equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987049757U JPH0415756Y2 (en) | 1987-03-31 | 1987-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987049757U JPH0415756Y2 (en) | 1987-03-31 | 1987-03-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63175688U true JPS63175688U (en) | 1988-11-15 |
| JPH0415756Y2 JPH0415756Y2 (en) | 1992-04-08 |
Family
ID=30872505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987049757U Expired JPH0415756Y2 (en) | 1987-03-31 | 1987-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0415756Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0226089U (en) * | 1988-08-03 | 1990-02-20 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4423146Y1 (en) * | 1965-02-26 | 1969-09-30 |
-
1987
- 1987-03-31 JP JP1987049757U patent/JPH0415756Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4423146Y1 (en) * | 1965-02-26 | 1969-09-30 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0226089U (en) * | 1988-08-03 | 1990-02-20 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0415756Y2 (en) | 1992-04-08 |
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