JPH0258061U - - Google Patents
Info
- Publication number
- JPH0258061U JPH0258061U JP13783988U JP13783988U JPH0258061U JP H0258061 U JPH0258061 U JP H0258061U JP 13783988 U JP13783988 U JP 13783988U JP 13783988 U JP13783988 U JP 13783988U JP H0258061 U JPH0258061 U JP H0258061U
- Authority
- JP
- Japan
- Prior art keywords
- operation pattern
- switching device
- switched
- pattern switching
- discharge holes
- 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
Links
- 239000012530 fluid Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 1
Landscapes
- Operation Control Of Excavators (AREA)
Description
第１図は、本考案に従う操作パターン切換装置
の一具体例を示す平面図。第２図は、第１図にお
ける―線による断面図。第３図は、第１図の
操作パターン切換装置を建設機械の流体圧回路に
適用した一例を示す流体圧回路図。第４図は、作
業操作レバーの操作の一例を示す図。第５―Ａ図
及び第５―Ｂ図は、夫々、パターン及びパター
ンにおける操作レバーの動きとアクチユエータ
の動きとの関係を示す図。第６図は、油圧シヨベ
ルを示す概略図。第７図は、ある特定の操作パタ
ーンにおける操作レバーの動きとアクチユエータ
の動きとの関係を示す図。第８図は、他の異なる
操作パターンにおける操作レバーの動きとアクチ
ユエータの動きとの関係を示す図。
１０２……第１の部材、１０４……第２の部材
、１０６……軸部材、１４２，１４６，１５０及
び１５４……パイロツト弁、１４４，１４８，１
５２及び１５６……切換弁、Ｐ１乃至Ｐ８……入
口孔、Ｑ１乃至Ｑ８……吐出孔。
FIG. 1 is a plan view showing a specific example of an operation pattern switching device according to the present invention. FIG. 2 is a sectional view taken along the line - in FIG. 1. FIG. 3 is a fluid pressure circuit diagram showing an example in which the operation pattern switching device of FIG. 1 is applied to a fluid pressure circuit of a construction machine. FIG. 4 is a diagram showing an example of operation of the work operation lever. FIG. 5-A and FIG. 5-B are diagrams showing a pattern and a relationship between the movement of the operating lever and the movement of the actuator in the pattern, respectively. FIG. 6 is a schematic diagram showing a hydraulic excavator. FIG. 7 is a diagram showing the relationship between the movement of the operating lever and the movement of the actuator in a certain operating pattern. FIG. 8 is a diagram showing the relationship between the movement of the operating lever and the movement of the actuator in other different operation patterns. 102... First member, 104... Second member, 106... Shaft member, 142, 146, 150 and 154... Pilot valve, 144, 148, 1
52 and 156...Switching valve, P1 to P8 ...Inlet hole, Q1 to Q8 ...Discharge hole.
Claims (1)
イロツト弁と該パイロツト弁からのパイロツト圧
力流体によつて切換制御される切換弁の間に介在
される操作パターン切換装置において、 相対的に回動される第１の部材及び第２の部材
を備え、該第１の部材には周方向に間隔を置いて
複数の入口孔が形成され、該第２の部材には、該
第１の部材の該複数の入口孔に対応して、複数の
吐出孔が形成されており、該第１の部材と該第２
の部材を相対的に回動せしめて該複数の入口孔と
該複数の吐出孔の連通状態を切り換えることによ
つて操作パターンを切り換える、ことを特徴とす
る操作パターン切換装置。 ２ 該第１の部材及び該第２の部材の相対的回動
を阻止する回動阻止手段が設けられている請求項
１記載の操作パターン切換装置。[Claims for Utility Model Registration] 1. In an operation pattern switching device interposed between a pilot valve that is switched by operating a control lever and a switching valve that is switched and controlled by pilot pressure fluid from the pilot valve, a first member and a second member that are rotatable relative to each other, the first member having a plurality of circumferentially spaced inlet holes formed therein; A plurality of discharge holes are formed corresponding to the plurality of inlet holes of the first member, and a plurality of discharge holes are formed in the first member and the second member.
An operation pattern switching device characterized in that the operation pattern is switched by relatively rotating the members to switch the communication state between the plurality of inlet holes and the plurality of discharge holes. 2. The operation pattern switching device according to claim 1, further comprising rotation preventing means for preventing relative rotation of the first member and the second member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13783988U JPH0638935Y2 (en) | 1988-10-24 | 1988-10-24 | Operation pattern switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13783988U JPH0638935Y2 (en) | 1988-10-24 | 1988-10-24 | Operation pattern switching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0258061U true JPH0258061U (en) | 1990-04-26 |
| JPH0638935Y2 JPH0638935Y2 (en) | 1994-10-12 |
Family
ID=31399631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13783988U Expired - Lifetime JPH0638935Y2 (en) | 1988-10-24 | 1988-10-24 | Operation pattern switching device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0638935Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008082161A (en) * | 2007-10-05 | 2008-04-10 | Nabtesco Corp | Pilot pressure pattern switching valve for hydraulic excavator |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4165978B2 (en) * | 1999-12-09 | 2008-10-15 | 株式会社小松製作所 | Operation pattern switching valve and its pilot pressure circuit |
| JP4189942B2 (en) * | 2000-01-28 | 2008-12-03 | 株式会社小松製作所 | Operation pattern switching valve device |
-
1988
- 1988-10-24 JP JP13783988U patent/JPH0638935Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008082161A (en) * | 2007-10-05 | 2008-04-10 | Nabtesco Corp | Pilot pressure pattern switching valve for hydraulic excavator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0638935Y2 (en) | 1994-10-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS622805U (en) | ||
| JPH0258061U (en) | ||
| JPH0288005U (en) | ||
| JPH0124221Y2 (en) | ||
| JPH0393847U (en) | ||
| JPS62170403U (en) | ||
| JPH01120558U (en) | ||
| JPH0389762U (en) | ||
| JPS61206762U (en) | ||
| JPH0312949U (en) | ||
| JPS6428460U (en) | ||
| JP2868322B2 (en) | Operation mechanism of hydraulic working machine | |
| JPS63135004U (en) | ||
| JPS63132102U (en) | ||
| JPS63182303U (en) | ||
| JPH0627902Y2 (en) | Directional switching valve for construction machinery | |
| JPS61142903U (en) | ||
| JPH0450456U (en) | ||
| JPH027282Y2 (en) | ||
| JPH01138632U (en) | ||
| JPH01141856U (en) | ||
| JPS62176258U (en) | ||
| JPS63141262U (en) | ||
| JPH02101852U (en) | ||
| JPH03110258U (en) |