JPS58102584U - Rotary load swing prevention device for suspended load swing equipment - Google Patents
Rotary load swing prevention device for suspended load swing equipmentInfo
- Publication number
- JPS58102584U JPS58102584U JP19789181U JP19789181U JPS58102584U JP S58102584 U JPS58102584 U JP S58102584U JP 19789181 U JP19789181 U JP 19789181U JP 19789181 U JP19789181 U JP 19789181U JP S58102584 U JPS58102584 U JP S58102584U
- Authority
- JP
- Japan
- Prior art keywords
- load swing
- suspended load
- prevention device
- equipment
- hydraulic motor
- 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
- Load-Engaging Elements For Cranes (AREA)
- Control And Safety Of Cranes (AREA)
- 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図はクレーンに装備された吊荷旋回装置を示す概略
図、第２図は従来の吊荷旋回装置の油圧回路図、第３図
および第４図は従来装置による動作を説明するための図
で、第３図は始動時を示す図、第４図は停止時を示す図
、第５図はこの考案の一実施例を示す油圧回路図、第６
図はそのセンサ一部分の一例を示す側面図である。
２・・・フックブロック、３・・・吊荷旋回装置、４・
・・スプレッダ−１５・・・上部、６・・・下部、７・
・・油圧モータ、９・・・操作弁、１０・・・油圧ポン
プ、１３・・・センサー、１４・・・バイパス回路、１
５・・・切換弁。Fig. 1 is a schematic diagram showing a hoisted load turning device equipped on a crane, Fig. 2 is a hydraulic circuit diagram of a conventional hoisted load turning device, and Figs. 3 and 4 are diagrams for explaining the operation of the conventional device. In the figures, Fig. 3 is a diagram showing when starting, Fig. 4 is a diagram showing when stopping, Fig. 5 is a hydraulic circuit diagram showing an embodiment of this invention, and Fig. 6 is a diagram showing when stopping.
The figure is a side view showing an example of a portion of the sensor. 2... Hook block, 3... Hanging load turning device, 4...
...Spreader-15...Top, 6...Bottom, 7.
... Hydraulic motor, 9... Operation valve, 10... Hydraulic pump, 13... Sensor, 14... Bypass circuit, 1
5...Switching valve.
Claims (1)
うになされかつクレーンのフックブロックと吊荷との間
に介在される吊荷旋回装置において、前記フックブロッ
クに発生する捩れを検出するセンサーと、前記油圧モー
タの両ポートを連通ずるバイパス回路と、このバイパス
回路に介在され通常閉状態で前記センサーからの信号に
より動作して開状態に切り換わる切換弁とを具備してな
ることを特徴とする吊荷旋回装置における回転荷振れ防
止装置。In a suspended load turning device in which an upper part and a lower part are relatively rotated by a hydraulic motor and are interposed between a hook block of a crane and a suspended load, a sensor detects torsion occurring in the hook block; The hydraulic motor is characterized by comprising a bypass circuit that communicates both ports of the hydraulic motor, and a switching valve interposed in the bypass circuit that is normally closed and is operated by a signal from the sensor to switch to an open state. Rotational load swing prevention device for suspended load turning equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19789181U JPS58102584U (en) | 1981-12-28 | 1981-12-28 | Rotary load swing prevention device for suspended load swing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19789181U JPS58102584U (en) | 1981-12-28 | 1981-12-28 | Rotary load swing prevention device for suspended load swing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58102584U true JPS58102584U (en) | 1983-07-12 |
Family
ID=30111095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19789181U Pending JPS58102584U (en) | 1981-12-28 | 1981-12-28 | Rotary load swing prevention device for suspended load swing equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58102584U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5528998A (en) * | 1978-08-21 | 1980-02-29 | Basf Ag | Manufacture of butanedicarboxylic acid ester |
-
1981
- 1981-12-28 JP JP19789181U patent/JPS58102584U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5528998A (en) * | 1978-08-21 | 1980-02-29 | Basf Ag | Manufacture of butanedicarboxylic acid ester |
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