JPH043141U - - Google Patents
Info
- Publication number
- JPH043141U JPH043141U JP4366890U JP4366890U JPH043141U JP H043141 U JPH043141 U JP H043141U JP 4366890 U JP4366890 U JP 4366890U JP 4366890 U JP4366890 U JP 4366890U JP H043141 U JPH043141 U JP H043141U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- pump
- hydraulic
- accumulator
- electromagnetic switching
- 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
- 238000013016 damping Methods 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
- Vibration Prevention Devices (AREA)
Description
図面はこの考案の実施例を示す構成図である。
1…油圧シリンダ、2…付加マス、3…サーボ
弁、4…油圧ポンプ、7…アキユムレータ、8…
リリーフ弁、11…電磁切換弁、12…コントロ
ーラ、13…圧力スイツチ。
The drawing is a block diagram showing an embodiment of this invention. 1...Hydraulic cylinder, 2...Additional mass, 3...Servo valve, 4...Hydraulic pump, 7...Accumulator, 8...
Relief valve, 11... Solenoid switching valve, 12... Controller, 13... Pressure switch.
Claims (1)
クチユエータへの供給油圧を制御するサーボ弁と
、油圧駆動源としてのポンプと、ポンプからの油
圧を蓄圧するアキユムレータと、メイン回路の圧
力を規制するリリーフ弁とを備えた制振装置の油
圧駆動回路において、リリーフ弁のベント回路を
開閉する電磁切換弁と、アキユムレータ内の圧力
を検出する圧力スイツチと、この検出信号に基づ
いてアキユムレータ内の圧力が上限値に達したと
きにポンプを停止し、圧力が下限値に低下したと
きにいつたん電磁切換弁を開いてポンプを駆動し
てから一定時間経過後に電磁切換弁を閉じるよう
に制御するコントローラを設けたことを特徴とす
る制振装置の油圧駆動回路。 A hydraulic actuator that drives the load, a servo valve that controls the hydraulic pressure supplied to the actuator, a pump as a hydraulic drive source, an accumulator that accumulates hydraulic pressure from the pump, and a relief valve that regulates the pressure in the main circuit. The hydraulic drive circuit of the vibration damping device includes an electromagnetic switching valve that opens and closes the vent circuit of the relief valve, a pressure switch that detects the pressure inside the accumulator, and a pressure switch that detects the pressure inside the accumulator when it reaches the upper limit based on this detection signal. A controller is installed to stop the pump when the pressure drops to the lower limit, open the electromagnetic switching valve to drive the pump, and then close the electromagnetic switching valve after a certain period of time has elapsed. Hydraulic drive circuit for the vibration damping device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990043668U JP2519098Y2 (en) | 1990-04-24 | 1990-04-24 | Hydraulic drive circuit for damping device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990043668U JP2519098Y2 (en) | 1990-04-24 | 1990-04-24 | Hydraulic drive circuit for damping device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH043141U true JPH043141U (en) | 1992-01-13 |
JP2519098Y2 JP2519098Y2 (en) | 1996-12-04 |
Family
ID=31556279
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990043668U Expired - Fee Related JP2519098Y2 (en) | 1990-04-24 | 1990-04-24 | Hydraulic drive circuit for damping device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2519098Y2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007046790A (en) * | 2006-10-12 | 2007-02-22 | Nabtesco Corp | Actuation system |
JP2017032106A (en) * | 2015-08-04 | 2017-02-09 | 株式会社豊田自動織機 | Industrial vehicle |
JP2017155906A (en) * | 2016-03-04 | 2017-09-07 | 株式会社豊田自動織機 | Industrial vehicle |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58118301A (en) * | 1981-12-31 | 1983-07-14 | Akira Hibi | Pressurized liquid production device |
JPS6182001A (en) * | 1984-09-27 | 1986-04-25 | Aisin Seiki Co Ltd | Reservoir tank unit |
JPH01275869A (en) * | 1988-04-26 | 1989-11-06 | Kajima Corp | Active type vibration control device |
-
1990
- 1990-04-24 JP JP1990043668U patent/JP2519098Y2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58118301A (en) * | 1981-12-31 | 1983-07-14 | Akira Hibi | Pressurized liquid production device |
JPS6182001A (en) * | 1984-09-27 | 1986-04-25 | Aisin Seiki Co Ltd | Reservoir tank unit |
JPH01275869A (en) * | 1988-04-26 | 1989-11-06 | Kajima Corp | Active type vibration control device |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007046790A (en) * | 2006-10-12 | 2007-02-22 | Nabtesco Corp | Actuation system |
JP4515433B2 (en) * | 2006-10-12 | 2010-07-28 | ナブテスコ株式会社 | Actuation system |
JP2017032106A (en) * | 2015-08-04 | 2017-02-09 | 株式会社豊田自動織機 | Industrial vehicle |
JP2017155906A (en) * | 2016-03-04 | 2017-09-07 | 株式会社豊田自動織機 | Industrial vehicle |
Also Published As
Publication number | Publication date |
---|---|
JP2519098Y2 (en) | 1996-12-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |