JPH01149054U - - Google Patents
Info
- Publication number
- JPH01149054U JPH01149054U JP4698388U JP4698388U JPH01149054U JP H01149054 U JPH01149054 U JP H01149054U JP 4698388 U JP4698388 U JP 4698388U JP 4698388 U JP4698388 U JP 4698388U JP H01149054 U JPH01149054 U JP H01149054U
- Authority
- JP
- Japan
- Prior art keywords
- drive device
- signal input
- regulator
- command signal
- operating state
- 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
- 230000005856 abnormality Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Fluid Gearings (AREA)
Description
第１図は本考案の構成を示す概念図、第２図は
本考案の実施例を示す油圧駆動装置と制御機構の
回路図、第３図はコントローラの制御動作を示す
フローチヤート、第４図は異常発生時の時間経過
に対する油圧ポンプの出力低下の関係を示すグラ
フである。また、第５図は従来例における異常発
生時の時間経過と油圧ポンプの出力低下の関係を
示すグラフである。
１……油圧モータ、２……油圧ポンプ、３……
エンジン、４，６……回転センサ、５……位置セ
ンサ、７……圧力センサ、８……コントローラ、
９……レギユレータ、１０……表示装置、１１…
…指令信号入力装置。
Fig. 1 is a conceptual diagram showing the configuration of the present invention, Fig. 2 is a circuit diagram of a hydraulic drive device and control mechanism showing an embodiment of the invention, Fig. 3 is a flowchart showing the control operation of the controller, and Fig. 4 is a graph showing the relationship between the decrease in the output of the hydraulic pump and the passage of time when an abnormality occurs. Furthermore, FIG. 5 is a graph showing the relationship between the passage of time when an abnormality occurs and the decrease in the output of the hydraulic pump in the conventional example. 1...Hydraulic motor, 2...Hydraulic pump, 3...
Engine, 4, 6... Rotation sensor, 5... Position sensor, 7... Pressure sensor, 8... Controller,
9...regulator, 10...display device, 11...
...Command signal input device.
Claims (1)
指令信号の入力装置と、指令信号入力装置から入
力された指令信号に基づきレギユレータの駆動制
御を行う制御手段とからなる油圧駆動装置の制御
機構において、油圧駆動装置の運転状態を検出す
る手段と、運転状態検出手段の検出した運転状態
に基づき油圧駆動装置の異常を判別する手段と、
異常判別手段が異常と判別した時に油圧ポンプの
傾転角を段階的に小さくする方向へ前記レギユレ
ータの駆動を制御する出力逓減手段とを備えたこ
とを特徴とする油圧駆動装置の制御機構。 A regulator that changes the tilt angle of the hydraulic pump,
In a control mechanism for a hydraulic drive device comprising a command signal input device and a control means for controlling drive of a regulator based on a command signal input from the command signal input device, means for detecting an operating state of the hydraulic drive device; means for determining an abnormality in the hydraulic drive device based on the operating state detected by the operating state detecting means;
1. A control mechanism for a hydraulic drive device, comprising: an output reduction means for controlling the drive of the regulator in a direction in which the tilting angle of the hydraulic pump is gradually reduced when the abnormality determining means determines that there is an abnormality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4698388U JPH01149054U (en) | 1988-04-07 | 1988-04-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4698388U JPH01149054U (en) | 1988-04-07 | 1988-04-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01149054U true JPH01149054U (en) | 1989-10-16 |
Family
ID=31273218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4698388U Pending JPH01149054U (en) | 1988-04-07 | 1988-04-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01149054U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0284186A (en) * | 1980-04-03 | 1990-03-26 | Abbott Lab | Polydeoxyribonucleotide encoding plasminogen activator protein, vector containing the same and transformant containing said vector |
| JP2009030693A (en) * | 2007-07-26 | 2009-02-12 | Tcm Corp | Travel control device of work vehicle |
| JP2013170566A (en) * | 2012-02-23 | 2013-09-02 | Mitsubishi Heavy Ind Ltd | Monitoring method and system for wind turbine generator |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59187153A (en) * | 1983-04-07 | 1984-10-24 | Nissan Motor Co Ltd | Control device for stepless speed change gear |
| JPS62118160A (en) * | 1985-11-19 | 1987-05-29 | Hitachi Constr Mach Co Ltd | Operation control device in hydraulic closed circuit |
-
1988
- 1988-04-07 JP JP4698388U patent/JPH01149054U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59187153A (en) * | 1983-04-07 | 1984-10-24 | Nissan Motor Co Ltd | Control device for stepless speed change gear |
| JPS62118160A (en) * | 1985-11-19 | 1987-05-29 | Hitachi Constr Mach Co Ltd | Operation control device in hydraulic closed circuit |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0284186A (en) * | 1980-04-03 | 1990-03-26 | Abbott Lab | Polydeoxyribonucleotide encoding plasminogen activator protein, vector containing the same and transformant containing said vector |
| JP2009030693A (en) * | 2007-07-26 | 2009-02-12 | Tcm Corp | Travel control device of work vehicle |
| JP2013170566A (en) * | 2012-02-23 | 2013-09-02 | Mitsubishi Heavy Ind Ltd | Monitoring method and system for wind turbine generator |
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