JPH0310076U - - Google Patents
Info
- Publication number
- JPH0310076U JPH0310076U JP1989070796U JP7079689U JPH0310076U JP H0310076 U JPH0310076 U JP H0310076U JP 1989070796 U JP1989070796 U JP 1989070796U JP 7079689 U JP7079689 U JP 7079689U JP H0310076 U JPH0310076 U JP H0310076U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- casing
- piston
- ball nut
- actuator
- 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
- 239000012530 fluid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Control Of Water Turbines (AREA)
Description
第１図は本考案の一実施例に係るアクチユエー
タの通常運転時の断面図、第２図はその異常時の
断面図、第３図はペルトン水車の概略構成図、第
４図はそのニードル開閉駆動用のアクチユエータ
の断面図である。
図面中、２１……シリンダ本体、２２……ピス
トン、２３……第一ポート、２４……第二ポート
、２５……第一ピストンロツド、２６……第二ピ
ストンロツド、２７……ボールねじ軸、２８……
ケーシング、３０……ボールナツト、３１……歯
車、３２……ストツパ歯、３５……ばね、３６…
…第三ポートである。
Fig. 1 is a cross-sectional view of an actuator according to an embodiment of the present invention during normal operation, Fig. 2 is a cross-sectional view during abnormal operation, Fig. 3 is a schematic configuration diagram of a Pelton water turbine, and Fig. 4 is a needle opening/closing diagram. It is a sectional view of the actuator for a drive. In the drawings, 21... cylinder body, 22... piston, 23... first port, 24... second port, 25... first piston rod, 26... second piston rod, 27... ball screw shaft, 28 ……
Casing, 30...Ball nut, 31...Gear, 32...Stopper tooth, 35...Spring, 36...
...This is the third port.
Claims (1)
設け、該シリンダの一端から突出するピストンロ
ツドを前記ピストンに連結したアクチユエータに
おいて、前記シリンダの他端側にケーシングを取
付け、前記シリンダの他端から突出するボールね
じ軸を前記ピストンに連結し、該ボールねじ軸の
ねじ部に螺合するボールナツトを前記ケーシング
に回転自在に設け、該ボールナツトの外周に歯車
を取付け、ばね力によつて該歯車側に移動して歯
溝に嵌合すると共に流体圧力によつて歯溝の反対
側に移動して歯溝への嵌合が解除されるストツパ
歯を前記ケーシングに揺動自在に支持したことを
特徴とするアクチユエータ。 In the actuator, a piston driven by pressure oil is provided in a cylinder, and a piston rod protruding from one end of the cylinder is connected to the piston, a casing is attached to the other end of the cylinder, and the casing protrudes from the other end of the cylinder. A ball screw shaft is connected to the piston, a ball nut screwed into the threaded portion of the ball screw shaft is rotatably provided in the casing, a gear is attached to the outer periphery of the ball nut, and the ball nut is moved toward the gear by a spring force. A stopper tooth is swingably supported on the casing, and is moved to the opposite side of the tooth groove by fluid pressure to be released from the tooth groove. Actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989070796U JPH0310076U (en) | 1989-06-19 | 1989-06-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989070796U JPH0310076U (en) | 1989-06-19 | 1989-06-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0310076U true JPH0310076U (en) | 1991-01-30 |
Family
ID=31607258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989070796U Pending JPH0310076U (en) | 1989-06-19 | 1989-06-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0310076U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4982543U (en) * | 1972-10-31 | 1974-07-17 | ||
| JPS5135050U (en) * | 1974-09-06 | 1976-03-16 | ||
| JPS5468458U (en) * | 1977-10-22 | 1979-05-15 |
-
1989
- 1989-06-19 JP JP1989070796U patent/JPH0310076U/ja active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4982543U (en) * | 1972-10-31 | 1974-07-17 | ||
| JPS5114774Y2 (en) * | 1972-10-31 | 1976-04-19 | ||
| JPS5135050U (en) * | 1974-09-06 | 1976-03-16 | ||
| JPS5528567Y2 (en) * | 1974-09-06 | 1980-07-08 | ||
| JPS5468458U (en) * | 1977-10-22 | 1979-05-15 | ||
| JPS5655559Y2 (en) * | 1977-10-22 | 1981-12-25 |