JPS63166590U - - Google Patents
Info
- Publication number
- JPS63166590U JPS63166590U JP8365286U JP8365286U JPS63166590U JP S63166590 U JPS63166590 U JP S63166590U JP 8365286 U JP8365286 U JP 8365286U JP 8365286 U JP8365286 U JP 8365286U JP S63166590 U JPS63166590 U JP S63166590U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- load
- angle
- comparing
- comparison
- 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図は本考案の過負荷防止装置と兼用した荷
重制限装置の全体ブロツク図、第２図は本考案の
荷重制限装置を適用したクレーン車の説明図、第
３図は本考案の荷重制限装置の動作フローチヤー
ト、第４図は本考案の荷重制限装置と兼用される
過負荷防止装置の動作フローチヤート、第５図は
作業半径Ｒ―荷重Ｗｏ特性図である。
２０……電子制御装置、２１，２３……インタ
ーフエース、２２……ＣＰＵ、２４……メモリ、
２５……モード切換スイツチ、３１……ブーム角
度センサ、３３……ブーム長センサ、３４……タ
イヤ／アウトリガーセンサ、３５……実荷重セン
サ、３６……ケーブルエンド張力センサ。
Fig. 1 is an overall block diagram of a load limiting device that also serves as an overload prevention device of the present invention, Fig. 2 is an explanatory diagram of a crane vehicle to which the load limiting device of the present invention is applied, and Fig. 3 is a load limiting device of the present invention. FIG. 4 is a flowchart of the operation of the device, FIG. 4 is a flowchart of the operation of the overload prevention device which is also used as the load limiting device of the present invention, and FIG. 5 is a working radius R-load Wo characteristic diagram. 20...Electronic control unit, 21, 23...Interface, 22...CPU, 24...Memory,
25...Mode change switch, 31...Boom angle sensor, 33...Boom length sensor, 34...Tire/outrigger sensor, 35...Actual load sensor, 36...Cable end tension sensor.
Claims (1)
設定角とを比較する手段と、該比較の結果、前記
ブーム角度が所定値以下の場合にモードを切換え
る手段と、実測データ又は計算により求めた基準
となる許容荷重を設定する手段と、ブーム吊り上
げ用ワイヤに働く張力を検出する手段と、該検出
値を過負荷防止装置へ入力し、ブームの収納時に
も牽引フツクに働く荷重を算出する手段と、該算
出荷重を基準となる前記許容荷重と比較する手段
と、該比較の結果、所定の関係となつた場合、警
報を発すると共にフツク巻き上げ、ブーム巻き上
げを自動停止する手段とを具備することを特徴と
する荷重制限装置。 means for detecting a boom angle; means for comparing the boom angle with a set angle; means for switching the mode when the boom angle is less than a predetermined value as a result of the comparison; and a standard determined by actual measurement data or calculation. means for setting the permissible load, means for detecting the tension acting on the boom lifting wire, and means for inputting the detected value into an overload prevention device to calculate the load acting on the towing hook even when the boom is stowed. and a means for comparing the calculated load with the allowable load serving as a reference, and a means for issuing an alarm and automatically stopping hook hoisting and boom hoisting if a predetermined relationship is established as a result of the comparison. Features a load limiting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8365286U JPS63166590U (en) | 1986-06-03 | 1986-06-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8365286U JPS63166590U (en) | 1986-06-03 | 1986-06-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63166590U true JPS63166590U (en) | 1988-10-31 |
Family
ID=30937429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8365286U Pending JPS63166590U (en) | 1986-06-03 | 1986-06-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63166590U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996026883A1 (en) * | 1993-12-17 | 1996-09-06 | Komatsu Ltd. | Boom storing and extending device for crane |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5643892B2 (en) * | 1976-06-12 | 1981-10-15 | ||
| JPS6181397A (en) * | 1984-09-26 | 1986-04-24 | 新明和工業株式会社 | Safe running device for self-propelled aerial work vehicles |
-
1986
- 1986-06-03 JP JP8365286U patent/JPS63166590U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5643892B2 (en) * | 1976-06-12 | 1981-10-15 | ||
| JPS6181397A (en) * | 1984-09-26 | 1986-04-24 | 新明和工業株式会社 | Safe running device for self-propelled aerial work vehicles |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996026883A1 (en) * | 1993-12-17 | 1996-09-06 | Komatsu Ltd. | Boom storing and extending device for crane |
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