JPH0643524Y2 - クレ−ンの旋回コントロ−ルバルブ装置 - Google Patents
クレ−ンの旋回コントロ−ルバルブ装置Info
- Publication number
- JPH0643524Y2 JPH0643524Y2 JP1988126967U JP12696788U JPH0643524Y2 JP H0643524 Y2 JPH0643524 Y2 JP H0643524Y2 JP 1988126967 U JP1988126967 U JP 1988126967U JP 12696788 U JP12696788 U JP 12696788U JP H0643524 Y2 JPH0643524 Y2 JP H0643524Y2
- Authority
- JP
- Japan
- Prior art keywords
- reaction force
- switching valve
- pressure
- swing
- spool
- 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.)
- Expired - Lifetime
Links
- 238000006243 chemical reaction Methods 0.000 claims description 119
- 230000001133 acceleration Effects 0.000 claims description 22
- 230000007935 neutral effect Effects 0.000 claims description 14
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007086 side reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Operation Control Of Excavators (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988126967U JPH0643524Y2 (ja) | 1988-09-28 | 1988-09-28 | クレ−ンの旋回コントロ−ルバルブ装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988126967U JPH0643524Y2 (ja) | 1988-09-28 | 1988-09-28 | クレ−ンの旋回コントロ−ルバルブ装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0247407U JPH0247407U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-03-30 |
| JPH0643524Y2 true JPH0643524Y2 (ja) | 1994-11-14 |
Family
ID=31378963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988126967U Expired - Lifetime JPH0643524Y2 (ja) | 1988-09-28 | 1988-09-28 | クレ−ンの旋回コントロ−ルバルブ装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0643524Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5110807U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1974-07-11 | 1976-01-27 | ||
| JPS5324977A (en) * | 1976-08-20 | 1978-03-08 | Hitachi Constr Mach Co Ltd | Cylinder control means |
-
1988
- 1988-09-28 JP JP1988126967U patent/JPH0643524Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0247407U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-03-30 |
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