JPS63119590U - - Google Patents
Info
- Publication number
- JPS63119590U JPS63119590U JP987387U JP987387U JPS63119590U JP S63119590 U JPS63119590 U JP S63119590U JP 987387 U JP987387 U JP 987387U JP 987387 U JP987387 U JP 987387U JP S63119590 U JPS63119590 U JP S63119590U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- attached
- tip
- rope
- booms
- 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 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Jib Cranes (AREA)
Description
第1図は本考案の伸縮ブームの一実施例を示す
伸長状態概略側面図、第2図は同格納状態を示す
ブームの詳細側面図、第3図は同格納状態平面図
、第4図は中間ブームとトツプブームの異なる位
置での連結状態を示す平面図、第5図はガイドロ
ーラの取付状態を示す断面図、第6図はピンの着
脱状態を示す断面図、第7図は同詳細図、第8図
はロープ緊張装置の側面図、第9図は同断面図、
第10図及び第11図は本考案の作用説明図であ
る。
3:ブーム、3a:ボトムブーム、3b:中間
ブーム、3c:トツプブーム、12:ブーム伸長
用ロープ、14a,14b,15:シーブ、16
:ロープ巻取ドラム、19:補助ペンダントロー
プ、21:ロープ緊張装置、23:主ペンダント
ロープ。
Fig. 1 is a schematic side view of an embodiment of the telescopic boom of the present invention in the extended state, Fig. 2 is a detailed side view of the boom in the retracted state, Fig. 3 is a plan view of the boom in the retracted state, and Fig. 4 is a side view of the boom in the retracted state. A plan view showing how the intermediate boom and top boom are connected at different positions, FIG. 5 is a sectional view showing how the guide roller is attached, FIG. 6 is a sectional view showing how the pin is attached and removed, and FIG. 7 is a detailed view of the same. , FIG. 8 is a side view of the rope tensioning device, FIG. 9 is a sectional view of the same,
FIG. 10 and FIG. 11 are explanatory diagrams of the operation of the present invention. 3: Boom, 3a: Bottom boom, 3b: Intermediate boom, 3c: Top boom, 12: Boom extension rope, 14a, 14b, 15: Sheave, 16
: rope winding drum, 19: auxiliary pendant rope, 21: rope tensioning device, 23: main pendant rope.
Claims (1)
に設けた1本又は複数本の中間ブームとにより構
成したラチスブームに於いて、トツプブームと中
間ブーム及び中間ブーム同士を順次入子式に挿入
可能とし、かつ、トツプブームの先端部に主ペン
ダントロープを装着し、基端側中間ブームの先端
部に補助ペンダントロープを装着すると共に、一
端を中間ブーム又は二段目以降の中間ブームの先
端部に装着したブーム伸長用ロープを、二段目以
降の中間ブーム又はトツプブームの後端部に装着
したシーブ及び中間ブーム又は二段目以降の中間
ブームの先端部に装着したシーブを介してロープ
巻取装置に接続したことを特徴とするラチス式伸
縮ブーム。 (2) 補助ペンダントロープをロープ緊張装置を
介して中間ブームの先端部に装着したことを特徴
とする実用新案登録請求の範囲第1項に記載のラ
チス式伸縮ブーム。[Scope of Claim for Utility Model Registration] (1) In a lattice boom composed of a top boom, a bottom boom, and one or more intermediate booms provided between them, the top boom, the intermediate boom, and the intermediate booms are nested one after another. In addition, the main pendant rope is attached to the tip of the top boom, the auxiliary pendant rope is attached to the tip of the intermediate boom on the proximal end, and one end is attached to the intermediate boom or the second and subsequent intermediate booms. The boom extension rope attached to the tip is passed through the sheave attached to the rear end of the intermediate boom or top boom of the second stage or later, and the sheave attached to the tip of the intermediate boom or the intermediate boom of the second stage or later. A lattice type telescopic boom characterized by being connected to a take-up device. (2) The lattice type telescopic boom according to claim 1 of the utility model registration claim, characterized in that an auxiliary pendant rope is attached to the tip of the intermediate boom via a rope tensioning device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP987387U JPS63119590U (en) | 1987-01-28 | 1987-01-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP987387U JPS63119590U (en) | 1987-01-28 | 1987-01-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63119590U true JPS63119590U (en) | 1988-08-02 |
Family
ID=30795599
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP987387U Pending JPS63119590U (en) | 1987-01-28 | 1987-01-28 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63119590U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018052283A1 (en) * | 2016-09-19 | 2018-03-22 | Gustomsc Resources B.V. | Extendable boom with a locking system and method for operating an extendable boom of a crane |
WO2021091389A1 (en) * | 2019-11-08 | 2021-05-14 | Gustomsc B.V. | Extendable lattice type crane boom, and method for operating a crane including an extendable boom. |
-
1987
- 1987-01-28 JP JP987387U patent/JPS63119590U/ja active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018052283A1 (en) * | 2016-09-19 | 2018-03-22 | Gustomsc Resources B.V. | Extendable boom with a locking system and method for operating an extendable boom of a crane |
CN109982958A (en) * | 2016-09-19 | 2019-07-05 | 格斯特Msc资源公司 | The method of extensible sunpender with locking system and the extensible sunpender for operating crane |
US11542130B2 (en) | 2016-09-19 | 2023-01-03 | Gustomsc B.V. | Extendable boom with a locking system and method for operating an extendable boom of a crane |
WO2021091389A1 (en) * | 2019-11-08 | 2021-05-14 | Gustomsc B.V. | Extendable lattice type crane boom, and method for operating a crane including an extendable boom. |
NL2024203B1 (en) * | 2019-11-08 | 2021-07-20 | Gustomsc B V | Extendable lattice type crane boom, and method for operating a crane including an extendable boom. |
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