JPS63162788U - - Google Patents
Info
- Publication number
- JPS63162788U JPS63162788U JP5591987U JP5591987U JPS63162788U JP S63162788 U JPS63162788 U JP S63162788U JP 5591987 U JP5591987 U JP 5591987U JP 5591987 U JP5591987 U JP 5591987U JP S63162788 U JPS63162788 U JP S63162788U
- Authority
- JP
- Japan
- Prior art keywords
- counterweight
- revolving body
- upper revolving
- support frame
- weight
- 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
- 238000010276 construction Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Jib Cranes (AREA)
- Component Parts Of Construction Machinery (AREA)
Description
第１図は本考案に係る建設機械としてのクロー
ラクレーンを示す概略図、第２図は第１図の要部
を示す拡大図、第３図はクローラクレーンの従来
例を示す概略図である。
図中、３は上部旋回体、６はカウンタウエイト
、８はウエイト移動手段、９は枢支部である。
FIG. 1 is a schematic diagram showing a crawler crane as a construction machine according to the present invention, FIG. 2 is an enlarged view of the main part of FIG. 1, and FIG. 3 is a schematic diagram showing a conventional example of a crawler crane. In the figure, 3 is an upper revolving body, 6 is a counterweight, 8 is a weight moving means, and 9 is a pivot support.
Claims (1)
等により生じる転倒モーメントとつり合つて上記
上部旋回体を平衡にバランスさせるためのカウン
タウエイトを有した建設機械において、上記上部
旋回体に支持フレームを介して枢支されたカウン
タウエイトと、上記モーメントの大きさの変化に
対応して上記ウエイトを上記枢支部を中心に回動
させてカウンタウエイトの重心を上記支持フレー
ムから近接離間移動させるためのウエイト移動手
段とを備えたことを特徴とする建設機械のカウン
タウエイト。 In a construction machine having a counterweight for balancing the upper revolving body in equilibrium by counterbalancing the overturning moment generated by a lifting load etc. on the upper revolving body installed in a crane, etc., the upper revolving body is provided with a support frame. a counterweight pivotably supported by a counterweight, and a weight movement for moving the center of gravity of the counterweight close to and away from the support frame by rotating the weight around the pivot in response to changes in the magnitude of the moment. A counterweight for construction machinery, characterized in that it is equipped with means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5591987U JPS63162788U (en) | 1987-04-15 | 1987-04-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5591987U JPS63162788U (en) | 1987-04-15 | 1987-04-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63162788U true JPS63162788U (en) | 1988-10-24 |
Family
ID=30884264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5591987U Pending JPS63162788U (en) | 1987-04-15 | 1987-04-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63162788U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS523813U (en) * | 1975-06-23 | 1977-01-12 | ||
| JPS59143893A (en) * | 1982-11-26 | 1984-08-17 | セルジ・モンゴン | Crane jib operating within variable operation range |
-
1987
- 1987-04-15 JP JP5591987U patent/JPS63162788U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS523813U (en) * | 1975-06-23 | 1977-01-12 | ||
| JPS59143893A (en) * | 1982-11-26 | 1984-08-17 | セルジ・モンゴン | Crane jib operating within variable operation range |