JPS63136697U - - Google Patents
Info
- Publication number
- JPS63136697U JPS63136697U JP2974687U JP2974687U JPS63136697U JP S63136697 U JPS63136697 U JP S63136697U JP 2974687 U JP2974687 U JP 2974687U JP 2974687 U JP2974687 U JP 2974687U JP S63136697 U JPS63136697 U JP S63136697U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- reaction force
- actuating means
- input
- foot pin
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
Landscapes
- Jib Cranes (AREA)
- Forklifts And Lifting Vehicles (AREA)
Description
図は本考案に係る作業車の安全装置の一実施例
を示すもので第１図は作業車の側面図、第２図は
安全装置のブロツク図、第３図及び第４図は動作
時モーメントの検出要領説明図である。
１……高所作業車、２……ターンテーブル、３
……ブーム、４……フートピン、５……起伏シリ
ンダー、６……レベルングシリンダー、７……反
力検出器、８……ブーム長検出器、９……反力検
出器、１０……モーメント演算装置１０、１１…
…作業台。
The figures show an embodiment of the safety device for a working vehicle according to the present invention. Fig. 1 is a side view of the working vehicle, Fig. 2 is a block diagram of the safety device, and Figs. 3 and 4 show moments during operation. It is an explanatory diagram of the detection procedure. 1...Aerial work vehicle, 2...Turntable, 3
...Boom, 4...Foot pin, 5...Luffing cylinder, 6...Leveling cylinder, 7...Reaction force detector, 8...Boom length detector, 9...Reaction force detector, 10...Moment Arithmetic devices 10, 11...
…Workbench.
Claims (1)
可能な構造のブームを装備して成る作業車に於い
て、前記ブーム軸と直交すべく挿通した前記フー
トピンに前記ブームより作用する反力を検出する
反力検出器を配置し、該反力検出器で検出した検
出信号をモーメント演算装置に入力し、該モーメ
ント演算装置で予め入力している限界モーメント
と比較し、該比較で得た制御信号を前記ブーム起
伏作動手段、伸縮作動手段に供給し、以て前記ブ
ームの動作を制御するようにしたことを特徴とす
る作業車の安全装置。 A reaction force detector for detecting a reaction force exerted by the boom on the foot pin inserted perpendicularly to the boom axis in a work vehicle equipped with a boom having a structure capable of at least raising and lowering and extending and contracting using a foot pin as a fulcrum. The detection signal detected by the reaction force detector is input to a moment calculation device, and the moment calculation device compares it with the limit moment input in advance, and the control signal obtained from the comparison is used to control the boom hoisting operation. 1. A safety device for a working vehicle, characterized in that the boom is supplied to a telescopic actuating means and a telescopic actuating means, thereby controlling the operation of the boom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987029746U JPH0527433Y2 (en) | 1987-02-28 | 1987-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987029746U JPH0527433Y2 (en) | 1987-02-28 | 1987-02-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63136697U true JPS63136697U (en) | 1988-09-08 |
| JPH0527433Y2 JPH0527433Y2 (en) | 1993-07-13 |
Family
ID=30833912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987029746U Expired - Lifetime JPH0527433Y2 (en) | 1987-02-28 | 1987-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0527433Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020176001A (en) * | 2019-04-22 | 2020-10-29 | Ｉｈｉ運搬機械株式会社 | Overload prevention system for crane |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61155200A (en) * | 1984-12-28 | 1986-07-14 | 東北電力株式会社 | Height service car controller |
-
1987
- 1987-02-28 JP JP1987029746U patent/JPH0527433Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61155200A (en) * | 1984-12-28 | 1986-07-14 | 東北電力株式会社 | Height service car controller |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020176001A (en) * | 2019-04-22 | 2020-10-29 | Ｉｈｉ運搬機械株式会社 | Overload prevention system for crane |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0527433Y2 (en) | 1993-07-13 |