JPS62136492U - - Google Patents
Info
- Publication number
- JPS62136492U JPS62136492U JP2464586U JP2464586U JPS62136492U JP S62136492 U JPS62136492 U JP S62136492U JP 2464586 U JP2464586 U JP 2464586U JP 2464586 U JP2464586 U JP 2464586U JP S62136492 U JPS62136492 U JP S62136492U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- strut
- auxiliary jib
- movable
- auxiliary
- 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)
Description
第１図は本考案の実施例にかかるタワークレー
ンの側面図、第２図乃至第４図はこのタワークレ
ーンの組立手順を説明するための側面図、第５図
は従来のタワークレーンの側面図である。
２…ブーム、２ａ…基本（第１段）ブーム、２
ｂ，２ｃ，２ｄ，２ｅ…可動（第２乃至第５段）
ブーム、３…ジブ、４…ストラツト、５…ジブガ
イロープ、１０…ジブバツクストツプ、１４…ス
トラツト支持ロープ、ｌ…同ロープの長さ。
Fig. 1 is a side view of a tower crane according to an embodiment of the present invention, Figs. 2 to 4 are side views for explaining the assembly procedure of this tower crane, and Fig. 5 is a side view of a conventional tower crane. It is. 2...Boom, 2a...Basic (first stage) boom, 2
b, 2c, 2d, 2e...movable (2nd to 5th stage)
Boom, 3...Jib, 4...Strut, 5...Jib guy rope, 10...Jib back stop, 14...Strut support rope, l...Length of the same rope.
Claims (1)
縮自在に構成された伸縮ブームを備え、この伸縮
ブームの先端部に補助ジブとストラツトとがそれ
ぞれ起伏可能に枢着されるとともに、これら補助
ジブとストラツトとが補助ジブガイロープによつ
て連結され、かつ補助ジブと伸縮ブームの先端部
との間に、補助ジブの最大起立位置を規制するバ
ツクストツプが設けられたタワークレーンにおい
て、上記伸縮ブームにおける最も先端の可動ブー
ム以外の可動ブームまたは基本ブームの先端部と
上記ストラツトとの間に一定長のストラツト支持
ロープが張設され、このストラツト支持ロープは
、同ロープの一端が取付けられた可動ブームまた
は基本ブームより上位の可動ブームの最伸長状態
で上記補助ジブが最大起立位置付近となる長さに
設定されてなることを特徴とする伸縮ブームを備
えたタワークレーン。 A telescoping boom is provided, which is configured to be extendable and retractable by a basic boom and a plurality of movable booms, and an auxiliary jib and a strut are pivotally connected to the tip of the telescoping boom so that they can be raised and lowered, and these auxiliary jibs and In a tower crane, the strut is connected to the auxiliary jib guy rope by an auxiliary jib guy rope, and a back stop is provided between the auxiliary jib and the tip of the telescopic boom to regulate the maximum standing position of the auxiliary jib. A strut support rope of a certain length is stretched between the tip of a movable boom other than the movable boom or the basic boom and the strut, and one end of this strut support rope is attached to the movable boom or basic boom. A tower crane equipped with a telescoping boom, characterized in that the auxiliary jib is set to a length near the maximum upright position when the upper movable boom is at its maximum extension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2464586U JPS62136492U (en) | 1986-02-21 | 1986-02-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2464586U JPS62136492U (en) | 1986-02-21 | 1986-02-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62136492U true JPS62136492U (en) | 1987-08-27 |
Family
ID=30824067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2464586U Pending JPS62136492U (en) | 1986-02-21 | 1986-02-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62136492U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6481798A (en) * | 1987-09-25 | 1989-03-28 | Kato Seisakusho Kk | Mounting section structure of jib, etc. in crane |
-
1986
- 1986-02-21 JP JP2464586U patent/JPS62136492U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6481798A (en) * | 1987-09-25 | 1989-03-28 | Kato Seisakusho Kk | Mounting section structure of jib, etc. in crane |
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