JPS59176886U - Crane lifting device - Google Patents
Crane lifting deviceInfo
- Publication number
- JPS59176886U JPS59176886U JP7007883U JP7007883U JPS59176886U JP S59176886 U JPS59176886 U JP S59176886U JP 7007883 U JP7007883 U JP 7007883U JP 7007883 U JP7007883 U JP 7007883U JP S59176886 U JPS59176886 U JP S59176886U
- Authority
- JP
- Japan
- Prior art keywords
- lifting device
- auxiliary
- main
- sheave
- attached
- 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
図は本考案の実施例を示し、第１図は本来の吊作業時に
おける吊上装置の側面図、第２図は第１図■−■線に沿
う拡大断面図、第３図は同作業時におけるワイヤの掛は
通し状態を示す図、第４図は補助吊上装置を主吊作業時
の増力装置として利用する場合の第１図相当図、第５図
は同第２図相当図、第６図は同第３図相当図である。
１・・・・・・ブーム、２・・・・・・ブームポイント
シーブブロック、Ａ・・・・・・主吊上装置、３・曲・
メインシーブ、４・・・・・・・アイドラシーブ、７・
・・・・・メインシーブの回転支軸兼補助シーブブラケ
ットの回動中心軸、Ｂ・・・・・・補助吊上装置、８，
８・・・・・・補助シーブブラケット、９・・・・・・
補助シーブ、１２・・・・・・補助吊作業位置での固定
用ピン孔、１５・・・・・・同ピン。The figures show an embodiment of the present invention. Figure 1 is a side view of the lifting device during the original lifting operation, Figure 2 is an enlarged sectional view taken along line ■-■ in Figure 1, and Figure 3 is the same operation. Figure 4 is a diagram equivalent to Figure 1 when the auxiliary lifting device is used as a force multiplier during main lifting work, Figure 5 is a diagram equivalent to Figure 2, FIG. 6 is a diagram corresponding to FIG. 3. 1...Boom, 2...Boom point sheave block, A...Main lifting device, 3.
Main sheave, 4...Idler sheave, 7.
... Main sheave rotation support shaft and auxiliary sheave bracket rotation center axis, B... Auxiliary lifting device, 8,
8... Auxiliary sheave bracket, 9...
Auxiliary sheave, 12... Pin hole for fixing at the auxiliary lifting work position, 15... Same pin.
Claims (1)
装置は、ブーム先端に取付けられたブームポイントシー
ブブロックに、主巻ワイヤが掛は通される複数枚のメイ
ンシーブおよびアイドラシーブを設けて成り、補助吊上
装置は、上記ブームポイントシーブブロックに取付けら
れた補助シーブブラケットに補助シーブを設けて成るク
レーンの吊上装置において、上記補助吊上装置を上記主
吊上装置に対し、上記補助シーブブラケットの基端部を
中心として回動可能で、かつブームポイントシーブブロ
ックの先方へ突出した補助吊作業位置で固定しうるよう
に取付け、該補助吊作業位置での固定を解いた状態で該
補助吊上装置を自重によって主吊上装置の下方に垂下さ
せるように構成したことを特徴とするクレーンの吊上装
置。The main lifting device consists of a main lifting device and an auxiliary lifting device.The main lifting device has multiple main sheaves and idler sheaves through which the main winding wire is passed through a boom point sheave block attached to the tip of the boom. The auxiliary lifting device is a crane lifting device comprising an auxiliary sheave attached to an auxiliary sheave bracket attached to the boom point sheave block, in which the auxiliary lifting device is connected to the main lifting device, The above-mentioned auxiliary sheave bracket is rotatable around the base end and is attached so that it can be fixed at the auxiliary lifting position protruding ahead of the boom point sheave block, and the state in which the auxiliary sheave bracket is unfixed at the auxiliary lifting position. A lifting device for a crane, characterized in that the auxiliary lifting device is configured to hang below the main lifting device by its own weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7007883U JPS59176886U (en) | 1983-05-11 | 1983-05-11 | Crane lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7007883U JPS59176886U (en) | 1983-05-11 | 1983-05-11 | Crane lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59176886U true JPS59176886U (en) | 1984-11-26 |
Family
ID=30200228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7007883U Pending JPS59176886U (en) | 1983-05-11 | 1983-05-11 | Crane lifting device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59176886U (en) |
-
1983
- 1983-05-11 JP JP7007883U patent/JPS59176886U/en active Pending
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