JP2018145984A5 - - Google Patents
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- Publication number
- JP2018145984A5 JP2018145984A5 JP2017038390A JP2017038390A JP2018145984A5 JP 2018145984 A5 JP2018145984 A5 JP 2018145984A5 JP 2017038390 A JP2017038390 A JP 2017038390A JP 2017038390 A JP2017038390 A JP 2017038390A JP 2018145984 A5 JP2018145984 A5 JP 2018145984A5
- Authority
- JP
- Japan
- Prior art keywords
- load
- boom
- boom lowering
- sky
- posture
- 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.)
- Granted
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Description
(g) ブーム下げ操作（無負荷）＋他アクチュエータ操作時にブーム負荷が無負荷から高負荷へ変化する場合
例えば、フロント作業装置５０４のバケット５１３が空中にある姿勢でブーム下げ＋アームクラウド複合操作をした場合、前記(d)と同様に作動する。
(g) a boom lowering operation (no load) + if the boom load during the other actuator operation is changed to the high load from no load for example, boom lowering + arm crowding combined operation bucket 513 of the front work device 504 is in a posture that is in the sky When the operation is performed, the operation is the same as the above (d).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017038390A JP6615137B2 (en) | 2017-03-01 | 2017-03-01 | Hydraulic drive unit for construction machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017038390A JP6615137B2 (en) | 2017-03-01 | 2017-03-01 | Hydraulic drive unit for construction machinery |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2018145984A JP2018145984A (en) | 2018-09-20 |
| JP2018145984A5 true JP2018145984A5 (en) | 2019-02-14 |
| JP6615137B2 JP6615137B2 (en) | 2019-12-04 |
Family
ID=63590866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017038390A Active JP6615137B2 (en) | 2017-03-01 | 2017-03-01 | Hydraulic drive unit for construction machinery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6615137B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102633378B1 (en) * | 2019-02-13 | 2024-02-02 | 에이치디현대인프라코어 주식회사 | Construction machinery |
| JP6989548B2 (en) * | 2019-03-12 | 2022-01-05 | 株式会社日立建機ティエラ | Construction machinery |
| CN114278624B (en) * | 2021-12-10 | 2024-05-03 | 南京理工大学 | Closed pump control quick erection system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04194129A (en) * | 1990-11-27 | 1992-07-14 | Komatsu Ltd | Hydraulic reproducing circuit for load sensing system |
| JPH09132927A (en) * | 1995-11-08 | 1997-05-20 | Komatsu Ltd | Hydraulic circuit of hydraulic shovel |
| JP2011127727A (en) * | 2009-12-21 | 2011-06-30 | Sumitomo (Shi) Construction Machinery Co Ltd | Hydraulic circuit of construction machine |
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2017
- 2017-03-01 JP JP2017038390A patent/JP6615137B2/en active Active
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