JPS6326690U - - Google Patents
Info
- Publication number
- JPS6326690U JPS6326690U JP12054586U JP12054586U JPS6326690U JP S6326690 U JPS6326690 U JP S6326690U JP 12054586 U JP12054586 U JP 12054586U JP 12054586 U JP12054586 U JP 12054586U JP S6326690 U JPS6326690 U JP S6326690U
- Authority
- JP
- Japan
- Prior art keywords
- counterweight
- rotating
- movable
- detector
- rotating body
- 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
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Jib Cranes (AREA)
Description
第１図は本考案によるクレーンの実施例を示す
簡略側面図、第２図は移動用カウンタウエイトの
駆動を制御する制御装置のブロツク図、第３図は
第１図の実施例における吊荷の旋回半径と旋回中
心に対するモーメントとの関係図、第４図は従来
のクレーンにおける吊荷の旋回半径と旋回中心に
対するモーメントとの関係図、第５図は移動用カ
ウンタウエイトの他の態様を示す一部省略側面図
である。
１……旋回体、２……ブーム、３……定置用カ
ウンタウエイト、４……移動用カウンタウエイト
、５……シリンダ（駆動手段）、６……旋回支持
体。
Fig. 1 is a simplified side view showing an embodiment of the crane according to the present invention, Fig. 2 is a block diagram of a control device that controls the drive of a moving counterweight, and Fig. 3 is a diagram of a suspended load in the embodiment of Fig. 1. FIG. 4 is a diagram showing the relationship between the radius of swing and the moment relative to the center of swing; FIG. 4 is a diagram showing the relationship between the radius of swing of a suspended load in a conventional crane and the moment relative to the center of swing; FIG. It is a side view with some parts omitted. DESCRIPTION OF SYMBOLS 1... Rotating body, 2... Boom, 3... Stationary counterweight, 4... Moving counterweight, 5... Cylinder (driving means), 6... Rotating support body.
Claims (1)
回体と、旋回体の前部に、前方に向けて起伏可能
に設けられたブームと、旋回体の後部に設けられ
た定置用カウンタウエイトとを備えたクレーンに
おいて、旋回体の旋回中心より後側位置で、旋回
体に対して前後方向に移動可能な移動用カウンタ
ウエイトと、吊荷荷重検出器と、ブーム角検出器
と、上記移動用カウンタウエイトの現位置検出器
と、上記の三つの検出器からの信号に応じて移動
用カウンタウエイトを駆動させる駆動手段とが設
けられていることを特徴とするクレーン。 A rotating support body, a rotating body rotating on the rotating support body, a boom provided at the front part of the rotating body so as to be able to raise and lower toward the front, and a stationary counterweight provided at the rear part of the rotating body. A crane equipped with a movable counterweight that is movable in the longitudinal direction relative to the revolving body, a suspended load detector, a boom angle detector, and the above-mentioned movable counterweight located behind the rotation center of the revolving body. A crane characterized in that it is provided with a counterweight current position detector and a drive means for driving the moving counterweight in response to signals from the three detectors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12054586U JPS6326690U (en) | 1986-08-05 | 1986-08-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12054586U JPS6326690U (en) | 1986-08-05 | 1986-08-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6326690U true JPS6326690U (en) | 1988-02-22 |
Family
ID=31008958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12054586U Pending JPS6326690U (en) | 1986-08-05 | 1986-08-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6326690U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011037634A (en) * | 2009-08-06 | 2011-02-24 | Manitowoc Crane Companies Llc | Lift crane with movable counterweight |
| US8985353B2 (en) | 2006-10-27 | 2015-03-24 | Manitowoc Crane Companies, Llc | Mobile lift crane with variable position counterweight |
| US10179722B2 (en) | 2014-01-27 | 2019-01-15 | Manitowoc Crane Companies, Llc | Lift crane with improved movable counterweight |
| US10183848B2 (en) | 2014-01-27 | 2019-01-22 | Manitowoc Crane Companies, Llc | Height adjustment mechanism for an auxiliary member on a crane |
-
1986
- 1986-08-05 JP JP12054586U patent/JPS6326690U/ja active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8985353B2 (en) | 2006-10-27 | 2015-03-24 | Manitowoc Crane Companies, Llc | Mobile lift crane with variable position counterweight |
| US10336589B2 (en) | 2006-10-27 | 2019-07-02 | Manitowoc Crane Companies, Llc | Mobile lift crane with variable position counterweight |
| US11884522B2 (en) | 2006-10-27 | 2024-01-30 | Grove U.S. L.L.C. | Mobile lift crane with variable position counterweight |
| JP2011037634A (en) * | 2009-08-06 | 2011-02-24 | Manitowoc Crane Companies Llc | Lift crane with movable counterweight |
| JP2018108897A (en) * | 2009-08-06 | 2018-07-12 | マニタウォック クレイン カンパニーズ， エルエルシーＭａｎｉｔｏｗｏｃ Ｃｒａｎｅ Ｃｏｍｐａｎｉｅｓ， Ｌｌｃ | Lift crane including movable counterweight |
| US10457530B2 (en) | 2009-08-06 | 2019-10-29 | Manitowoc Cranes, Llc | Lift crane with moveable counterweight |
| US10179722B2 (en) | 2014-01-27 | 2019-01-15 | Manitowoc Crane Companies, Llc | Lift crane with improved movable counterweight |
| US10183848B2 (en) | 2014-01-27 | 2019-01-22 | Manitowoc Crane Companies, Llc | Height adjustment mechanism for an auxiliary member on a crane |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6326690U (en) | ||
| JPS6332893U (en) | ||
| JPH0268285U (en) | ||
| JPS627467U (en) | ||
| JPS6158271U (en) | ||
| JPS63192399U (en) | ||
| JPS6255641U (en) | ||
| JPS62197686U (en) | ||
| JPS62133585U (en) | ||
| JPS62144891U (en) | ||
| JPS5947409U (en) | Swing support structure for directly mounted rotary tilling equipment | |
| JPH0178687U (en) | ||
| JPH0249991U (en) | ||
| JPS62133835U (en) | ||
| JPH0279386U (en) | ||
| JPS6289284U (en) | ||
| JPS6250195U (en) | ||
| JPS625186U (en) | ||
| JPS62150083U (en) | ||
| JPH01177058U (en) | ||
| JPS62184996U (en) | ||
| JPH01103691U (en) | ||
| JPS62103858U (en) | ||
| JPS643784U (en) | ||
| JPS6457134U (en) |