JPS6132193U - Lifting device for top-up jib - Google Patents
Lifting device for top-up jibInfo
- Publication number
- JPS6132193U JPS6132193U JP11525184U JP11525184U JPS6132193U JP S6132193 U JPS6132193 U JP S6132193U JP 11525184 U JP11525184 U JP 11525184U JP 11525184 U JP11525184 U JP 11525184U JP S6132193 U JPS6132193 U JP S6132193U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- jib
- proximal
- distal
- replenishment
- 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、本考案に係る継ぎ足しジブの起伏装置の説明
図、第２図〜第４図は本考案の継ぎ足しジブの起伏装置
の発展例の説明図、第５図は従来の継ぎ足しジブの説明
図である。
基端側ブーム＝１、中間ブーム＝２、先端側ブーム：３
、滑車：１１，１２、ワイヤーロープ＝１３。Fig. 1 is an explanatory diagram of a hoisting device for a replenishment jib according to the present invention, Figs. 2 to 4 are explanatory diagrams of a developed example of the hoisting device for a replenishment jib according to the present invention, and Fig. 5 is an explanatory diagram of a hoisting device for a replenishment jib according to the present invention. It is an explanatory diagram. Proximal boom = 1, intermediate boom = 2, distal boom: 3
, Pulley: 11, 12, Wire rope = 13.
Claims (1)
ムを夫々伸縮自在に嵌挿すると共に、これら各ブーム間
に、基端側ブームに対して中間ブームを、中間ブームに
対して先端側ブームを同時に同量だけ伸縮駆動する伸縮
装置を配してなる伸縮ブームの先端に、その基端部を起
伏自在に取り付けられる継ぎ足しブームの起伏装置であ
って、前記基端側ブームの先端部および前記中間ブーム
の基端部に夫々滑車を設けると共に、一端を前記継ぎ足
しジブに関連々結したワイヤーロープを前記中間ブーム
の基端部に設けた滑車、前記基端側ブーム先端部に設け
た滑車の順に反転折返し状に懸け回した上で、その他端
を前記基端側ブーム上に導ひき、伸縮ブームの基端側か
ら前記ワイヤーロープを介して前記継ぎ足しジブを起伏
調節する如く構成してなる継ぎ足しブームの起伏装置。The intermediate boom is telescopically inserted into the proximal boom, and the distal boom is telescopically inserted into the intermediate boom, and between these booms, the intermediate boom is inserted into the proximal boom, and the distal boom is inserted into the intermediate boom. A hoisting device for a supplementary boom, the proximal end of which is attached to the distal end of a telescopic boom including a telescopic device that simultaneously extends and retracts by the same amount, the distal end of the proximal boom and the A pulley is provided at the base end of the intermediate boom, and a wire rope with one end tied to the supplementary jib is provided at the base end of the intermediate boom, and a pulley is provided at the tip of the boom on the base end. The replenishment jib is constructed such that the replenishment jib is suspended in an inverted and folded manner in turn, and then the other end is guided onto the boom on the proximal end side, and the heave of the replenishment jib is adjusted via the wire rope from the proximal end side of the telescopic boom. Boom hoisting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11525184U JPS6132193U (en) | 1984-07-27 | 1984-07-27 | Lifting device for top-up jib |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11525184U JPS6132193U (en) | 1984-07-27 | 1984-07-27 | Lifting device for top-up jib |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6132193U true JPS6132193U (en) | 1986-02-26 |
Family
ID=30674232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11525184U Pending JPS6132193U (en) | 1984-07-27 | 1984-07-27 | Lifting device for top-up jib |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6132193U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4716359U (en) * | 1971-03-20 | 1972-10-25 | ||
| JPS5085057A (en) * | 1973-11-29 | 1975-07-09 |
-
1984
- 1984-07-27 JP JP11525184U patent/JPS6132193U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4716359U (en) * | 1971-03-20 | 1972-10-25 | ||
| JPS5085057A (en) * | 1973-11-29 | 1975-07-09 |
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