JPS63180694U - - Google Patents
Info
- Publication number
- JPS63180694U JPS63180694U JP7016387U JP7016387U JPS63180694U JP S63180694 U JPS63180694 U JP S63180694U JP 7016387 U JP7016387 U JP 7016387U JP 7016387 U JP7016387 U JP 7016387U JP S63180694 U JPS63180694 U JP S63180694U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- predetermined value
- utility
- automatically stopping
- model
- 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
- 230000002265 prevention Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Jib Cranes (AREA)
Description
第１図は本考案の一実施例を示すブロツク図、
第２図は本考案を適用するクレーンの一例を示す
側面図、第３図は従来のクレーンの安全装置を示
すブロツク図、第４図は第２図に示したクレーン
の巻上ウインチによる過巻を説明する図である。
FIG. 1 is a block diagram showing an embodiment of the present invention.
Fig. 2 is a side view showing an example of a crane to which the present invention is applied, Fig. 3 is a block diagram showing a conventional crane safety device, and Fig. 4 is an illustration of overwinding caused by the hoisting winch of the crane shown in Fig. 2. FIG.
Claims (1)
下であることを検出する手段と、該手段の作動に
よりフツク巻上動作を自動停止させる手段とを備
えたことを特徴とするブーム過巻防止装置。 ２ 前記フツク巻上動作を自動停止させる手段が
、ブーム角度が所定値以上であることを条件とし
て作動する構成を有することを特徴とする実用新
案登録請求の範囲第１項記載のブーム過巻防止装
置。[Claims for Utility Model Registration] 1. A utility model comprising means for detecting that the load detected by the load detector is less than a predetermined value, and means for automatically stopping the hook hoisting operation by the operation of the means. Features a boom overwinding prevention device. 2. Boom over-hoisting prevention according to claim 1, wherein the means for automatically stopping the hook hoisting operation is configured to operate on the condition that the boom angle is greater than or equal to a predetermined value. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7016387U JPS63180694U (en) | 1987-05-13 | 1987-05-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7016387U JPS63180694U (en) | 1987-05-13 | 1987-05-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63180694U true JPS63180694U (en) | 1988-11-22 |
Family
ID=30911546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7016387U Pending JPS63180694U (en) | 1987-05-13 | 1987-05-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63180694U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017145132A (en) * | 2016-02-19 | 2017-08-24 | 日立住友重機械建機クレーン株式会社 | Crane with over-winding prevention device |
-
1987
- 1987-05-13 JP JP7016387U patent/JPS63180694U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017145132A (en) * | 2016-02-19 | 2017-08-24 | 日立住友重機械建機クレーン株式会社 | Crane with over-winding prevention device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0198934U (en) | ||
| JPS6188995U (en) | ||
| JPS5829117Y2 (en) | Weight for detecting overwinding of cranes, etc. | |
| JP2545593Y2 (en) | Boom overwind prevention device | |
| JPH0218484U (en) | ||
| JPS6223285U (en) | ||
| JPS58158086U (en) | Excessive brake slip detection device for cranes such as hoists | |
| JPS61116696U (en) | ||
| JPH041897U (en) | ||
| JPH01129194U (en) | ||
| JPS5864690U (en) | Loading cable overwinding prevention device for cable cranes | |
| JPS63119577U (en) | ||
| JPS63192743U (en) | ||
| JPS58106398U (en) | Safety device for work vehicle with boom | |
| JPS61157589U (en) | ||
| JPS6388700U (en) | ||
| JPS62164284U (en) | ||
| JPS6213992U (en) | ||
| JPS628289U (en) | ||
| JPH0479892U (en) | ||
| JPH0183776U (en) | ||
| JPS6313986U (en) | ||
| JPS6335776U (en) | ||
| JPS5835451U (en) | Crane stability limit warning device | |
| JPS63166590U (en) |