JPH01124852U - - Google Patents
Info
- Publication number
- JPH01124852U JPH01124852U JP2074788U JP2074788U JPH01124852U JP H01124852 U JPH01124852 U JP H01124852U JP 2074788 U JP2074788 U JP 2074788U JP 2074788 U JP2074788 U JP 2074788U JP H01124852 U JPH01124852 U JP H01124852U
- Authority
- JP
- Japan
- Prior art keywords
- link
- revolving frame
- counterweight
- pins
- revolving
- 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 3
Landscapes
- Shovels (AREA)
- Component Parts Of Construction Machinery (AREA)
- Body Structure For Vehicles (AREA)
- Jib Cranes (AREA)
Description
第１図は本考案に基づくリンク付レボルビング
フレームの第一実施例図であつて、ａは全体図、
ｂはａ図のＹ視図、第２図は第１図の詳細図であ
つてａはリンク、レール、ガイドレールの関係を
示す図、ｂはリンクの作動により歯車が回り、ラ
ツクを動かしカウンタウエイトが移動する作用図
、第３図は従来技術のレボルビングフレームの全
体図である。
１０，５０……レボルビングフレーム、２０…
…リンク、３０……油圧シリンダ、４０……カウ
ンタウエイト位置調整用リンク機構、６０……カ
ウンタウエイト、７１……ブーム、７２……ブー
ムシリンダ、８０……下部走行体。
FIG. 1 is a diagram of a first embodiment of a revolving frame with links based on the present invention, in which a is an overall view;
b is a Y view of figure a, Figure 2 is a detailed view of figure 1, and a is a diagram showing the relationship between links, rails, and guide rails; b is a diagram showing the relationship between links, rails, and guide rails; FIG. 3 is an overall view of a conventional revolving frame, showing the movement of the weight. 10, 50...revolving frame, 20...
... Link, 30 ... Hydraulic cylinder, 40 ... Counterweight position adjustment link mechanism, 60 ... Counterweight, 71 ... Boom, 72 ... Boom cylinder, 80 ... Lower traveling body.
Claims (1)
ングフレーム１０において、リンク２０と長さ調
節可能なるリンク３０と、カウンタウエイト位置
調節用リンク機構４０とを備え、前記リンク２０
，３０の一端はレボルビングフレームの相異なる
位置で該レボルビングフレーム１０にピンに接合
され、他端が共にブーム回動支点のピンでピン接
合され、かつ、前記リンク機構４０は前記リンク
２０の回動に追従しつつ前記カウンタウエイトの
位置を変化させる構成としたことを特徴とするリ
ンク付レボルビングフレーム。 A revolving frame 10 for a self-propelled vehicle equipped with an upper revolving body includes a link 20, a length-adjustable link 30, and a counterweight position adjustment link mechanism 40, and the link 20
, 30 are connected to pins on the revolving frame 10 at different positions on the revolving frame, and the other ends are connected to pins at the boom rotation fulcrum, and the link mechanism 40 supports the rotation of the link 20. A revolving frame with a link, characterized in that it is configured to change the position of the counterweight while following.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2074788U JPH01124852U (en) | 1988-02-19 | 1988-02-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2074788U JPH01124852U (en) | 1988-02-19 | 1988-02-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01124852U true JPH01124852U (en) | 1989-08-25 |
Family
ID=31237374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2074788U Pending JPH01124852U (en) | 1988-02-19 | 1988-02-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01124852U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020015570A (en) * | 2018-07-23 | 2020-01-30 | コベルコ建機株式会社 | Construction machine |
-
1988
- 1988-02-19 JP JP2074788U patent/JPH01124852U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020015570A (en) * | 2018-07-23 | 2020-01-30 | コベルコ建機株式会社 | Construction machine |