JPS60135356U - Hydraulic control device in excavator - Google Patents
Hydraulic control device in excavatorInfo
- Publication number
- JPS60135356U JPS60135356U JP2105984U JP2105984U JPS60135356U JP S60135356 U JPS60135356 U JP S60135356U JP 2105984 U JP2105984 U JP 2105984U JP 2105984 U JP2105984 U JP 2105984U JP S60135356 U JPS60135356 U JP S60135356U
- Authority
- JP
- Japan
- Prior art keywords
- excavator
- control device
- cylinder
- hydraulic control
- fulcrum
- 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
- Mechanically-Actuated Valves (AREA)
- Fluid-Pressure Circuits (AREA)
- Operation Control Of Excavators (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図は従前手段の作用の説明図、第２図は、本考案に
おいて対象とする掘削機の側面図、第３図は同上の別の
掘削機の側面図、第４図は本考案による制御装置の説明
図、第５図及び第６図は作用の説明図である。
図面符号の説明、Ａ・・・・・・掘削機、ａ・・・・・
・車体、ｂ・・・・・・旋回台、１・・・・・・フレー
ム、２・・・・・・掘削体、３・・・・・・ブーム、４
・・・・・・ブーム作動用シリンダ、 。
５．５′・・・・・・ブラケット、６・・・・・・支点
移動用シリンダ、６ａ・・・・・・回路、７・・・・・
・方向制御弁、７０・・・・・・操作レバー、訃・・・
・・油圧回路、８ａ・・・・・・制御弁側、８ｂ・・・
・・・ブーム作動用シリンダ側、９・・・・・・セレク
ター弁、９０・・・・・・ペタル、ｖ−ｕ・・・・・・
回動支点、ｙ・・・・・・連結支点、Ｗ −Ｗ’・・・
・・・支軸。Fig. 1 is an explanatory diagram of the operation of the conventional means, Fig. 2 is a side view of the excavator targeted in the present invention, Fig. 3 is a side view of another excavator similar to the above, and Fig. 4 is according to the present invention. An explanatory diagram of the control device, FIGS. 5 and 6, are explanatory diagrams of the operation. Explanation of drawing symbols, A...excavator, a...
・Vehicle body, b... Swivel base, 1... Frame, 2... Excavation body, 3... Boom, 4
・・・・・・Cylinder for boom operation. 5.5'...Bracket, 6...Cylinder for fulcrum movement, 6a...Circuit, 7...
・Direction control valve, 70...operation lever, end...
...Hydraulic circuit, 8a...Control valve side, 8b...
...Cylinder side for boom operation, 9...Selector valve, 90...Petal, v-u...
Rotating fulcrum, y... Connection fulcrum, W - W'...
...Spindle.
Claims (1)
動用シリンダ４と該ブーム作動用シリンダ４の作動を制
御する制御弁７との間の油圧回路８に、前記制御弁７が
前述ブーム作動用シリンダ４に連通ずる状態と前記ブー
ム作動用シリンダ４の回動支点Ｖまたは連結支点ｙを動
かす支点移動用シリンダ６に連通ずる状態とに切換える
セレクター弁９を装設し、該セレクター弁９を装設し、
該セレクター弁９にペタル９０またはレバーを連繋した
ことを特徴とする掘削機における油圧制御装置。The control valve 7 is connected to a hydraulic circuit 8 between a boom operating cylinder 4 that raises and rotates the boom 3 supported on the frame 1 and a control valve 7 that controls the operation of the boom operating cylinder 4. A selector valve 9 is installed for switching between a state in which it communicates with the cylinder 4 and a state in which it communicates with the cylinder 6 for moving the fulcrum that moves the rotation fulcrum V or the connection fulcrum y of the boom operating cylinder 4, and the selector valve 9 is installed. established,
A hydraulic control device for an excavator, characterized in that a petal 90 or a lever is connected to the selector valve 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2105984U JPS60135356U (en) | 1984-02-16 | 1984-02-16 | Hydraulic control device in excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2105984U JPS60135356U (en) | 1984-02-16 | 1984-02-16 | Hydraulic control device in excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60135356U true JPS60135356U (en) | 1985-09-09 |
Family
ID=30512111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2105984U Pending JPS60135356U (en) | 1984-02-16 | 1984-02-16 | Hydraulic control device in excavator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60135356U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS565052B2 (en) * | 1972-08-09 | 1981-02-03 |
-
1984
- 1984-02-16 JP JP2105984U patent/JPS60135356U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS565052B2 (en) * | 1972-08-09 | 1981-02-03 |
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