JPH03104503U - - Google Patents
Info
- Publication number
- JPH03104503U JPH03104503U JP1344490U JP1344490U JPH03104503U JP H03104503 U JPH03104503 U JP H03104503U JP 1344490 U JP1344490 U JP 1344490U JP 1344490 U JP1344490 U JP 1344490U JP H03104503 U JPH03104503 U JP H03104503U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic actuator
- hydraulic
- position control
- servo mechanism
- electronic position
- 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
- 238000010586 diagram Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 2
Landscapes
- High-Pressure Fuel Injection Pump Control (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Servomotors (AREA)
Description
第１図：本考案の電子位置制御油圧アクチユエ
ータの断面図、第２図：出力レバー室の側面断面
図、第３図：マニユアルレバー室の側面断面図、
第４図：入力スプールの端部斜視図、第５図：マ
ニユアルレバー室の断面図、第６図：指令電流と
指令推力の関係図、第７図：指令推力と指令油圧
の関係図、第８図：指令油圧と出力ストロークの
関係図、第９図：従来の電子位置制御油圧アクチ
ユエータの断面図。
１，２０……ケース、５……圧力油供給穴、６
……ドレン回路、８，９……回路、１０……調圧
スプール、１２……調圧ピストン、１３……ソレ
ノイド弁、１４……ソレノイドスプール、１５，
２４……ばね、１６，１７，３４，３７……ラン
ド、１８……オイルパン、２２……入力スプール
、２５……通路、２６，３３，３６……穴、３８
……室、３９……環状室、４０，５０……レバー
ケース、４１，５１……軸、４２，５２，４４，
５４……レバー、４３，５３……二又部、４５，
５５……リンク、６０……蓋、６２……平行平面
、６３……ねじ、６４……端部、６５……隙間、
６６……ナツト、７０……アクチユエータ制御装
置、７１……指令制御装置、７２……センサ、７
３……スイツチ。
Figure 1: Cross-sectional view of the electronic position control hydraulic actuator of the present invention, Figure 2: Side cross-sectional view of the output lever chamber, Figure 3: Side cross-sectional view of the manual lever chamber,
Figure 4: Perspective view of the end of the input spool, Figure 5: Cross-sectional view of the manual lever chamber, Figure 6: Relationship diagram between command current and command thrust, Figure 7: Relationship diagram between command thrust and command oil pressure, Figure 8: Relationship diagram between command oil pressure and output stroke; Figure 9: Cross-sectional view of a conventional electronic position control hydraulic actuator. 1, 20...Case, 5...Pressure oil supply hole, 6
...Drain circuit, 8,9...Circuit, 10...Pressure regulating spool, 12...Pressure regulating piston, 13...Solenoid valve, 14...Solenoid spool, 15,
24... Spring, 16, 17, 34, 37... Land, 18... Oil pan, 22... Input spool, 25... Passage, 26, 33, 36... Hole, 38
...Chamber, 39...Annular chamber, 40,50...Lever case, 41,51...Shaft, 42,52,44,
54... Lever, 43, 53... Forked part, 45,
55... Link, 60... Lid, 62... Parallel plane, 63... Screw, 64... End, 65... Gap,
66...nut, 70...actuator control device, 71...command control device, 72...sensor, 7
3...Switch.
Claims (1)
精度向上のためのフイードバツク・ポテンシヨメ
ータを備えた油圧アクチユエータにおいて、前記
油圧サーボ機構の入力スプールを油圧で制御する
ための電磁比例圧力制御弁を具備せることを特徴
とする電子位置制御油圧アクチユエータ。 (2) 前記油圧サーボ機構の入力スプールの一端
に、機械的に制御可能なレバーと係合するための
ねじを設けたことを特徴とする請求項１記載の電
子位置制御油圧アクチユエータ。[Scope of Claim for Utility Model Registration] (1) In a hydraulic actuator using an in-line hydraulic servo mechanism and equipped with a feedback potentiometer for improving position accuracy, for hydraulically controlling the input spool of the hydraulic servo mechanism. An electronic position control hydraulic actuator characterized by comprising an electromagnetic proportional pressure control valve. (2) The electronic position control hydraulic actuator according to claim 1, wherein one end of the input spool of the hydraulic servomechanism is provided with a screw for engaging with a mechanically controllable lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990013444U JPH0724596Y2 (en) | 1990-02-14 | 1990-02-14 | Engine fuel injection amount control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990013444U JPH0724596Y2 (en) | 1990-02-14 | 1990-02-14 | Engine fuel injection amount control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03104503U true JPH03104503U (en) | 1991-10-30 |
| JPH0724596Y2 JPH0724596Y2 (en) | 1995-06-05 |
Family
ID=31516857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990013444U Expired - Lifetime JPH0724596Y2 (en) | 1990-02-14 | 1990-02-14 | Engine fuel injection amount control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0724596Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4936899A (en) * | 1972-08-17 | 1974-04-05 | ||
| JPS5691903U (en) * | 1979-12-17 | 1981-07-22 |
-
1990
- 1990-02-14 JP JP1990013444U patent/JPH0724596Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4936899A (en) * | 1972-08-17 | 1974-04-05 | ||
| JPS5691903U (en) * | 1979-12-17 | 1981-07-22 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0724596Y2 (en) | 1995-06-05 |
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