JPS6260647U - - Google Patents
Info
- Publication number
- JPS6260647U JPS6260647U JP14805185U JP14805185U JPS6260647U JP S6260647 U JPS6260647 U JP S6260647U JP 14805185 U JP14805185 U JP 14805185U JP 14805185 U JP14805185 U JP 14805185U JP S6260647 U JPS6260647 U JP S6260647U
- Authority
- JP
- Japan
- Prior art keywords
- work machine
- swing
- valve
- operation valve
- type
- 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
- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
Description
図面に本考案の実施例を示し、第１図は油圧回
路図、第２図は全体図、第３図は旋回速度と上下
回動速度の関係を示す図表、第４図は第２実施例
の油圧回路図、第５図は旋回速度と上下回動速度
の関係を示す図表である。
２は上部旋回体、３は旋回モータ、１１は主ポ
ンプ、１２は吐出路、１３は旋回操作弁、１５は
流量切換弁である。
The drawings show an embodiment of the present invention; Fig. 1 is a hydraulic circuit diagram, Fig. 2 is an overall diagram, Fig. 3 is a chart showing the relationship between swing speed and vertical movement speed, and Fig. 4 is a second embodiment. Fig. 5 is a diagram showing the relationship between swing speed and vertical movement speed. 2 is an upper revolving body, 3 is a swing motor, 11 is a main pump, 12 is a discharge passage, 13 is a swing operation valve, and 15 is a flow rate switching valve.
Claims (1)
業機を作業機シリンダで上下動自在に装着した旋
回式掘削機において、主ポンプ１１の吐出路１２
を旋回操作弁１３と作業機操作弁とを介して旋回
モータ３と作業機シリンダとに接続制御すると共
に、旋回操作弁１３と作業機操作弁とのどちらか
一方の入口側に、手動操作によつて絞り位置Ｂと
連通位置Ａとに切換えられる流量切換弁１５を設
けたことを特徴とする施回式掘削機の油圧回路。 In a swing-type excavator in which an arm-type work machine is mounted on an upper swing body 2 that is rotated by a swing motor 3 so as to be movable up and down by a work machine cylinder, a discharge passage 12 of a main pump 11 is provided.
is connected to and controlled by the swing motor 3 and the work machine cylinder via the swing operation valve 13 and the work machine operation valve, and is connected to the inlet side of either the swing operation valve 13 and the work machine control valve for manual operation. A hydraulic circuit for a rotary excavator, characterized in that it is provided with a flow rate switching valve 15 that can be switched between a throttle position B and a communication position A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14805185U JPS6260647U (en) | 1985-09-30 | 1985-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14805185U JPS6260647U (en) | 1985-09-30 | 1985-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6260647U true JPS6260647U (en) | 1987-04-15 |
Family
ID=31061969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14805185U Pending JPS6260647U (en) | 1985-09-30 | 1985-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6260647U (en) |
-
1985
- 1985-09-30 JP JP14805185U patent/JPS6260647U/ja active Pending
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