JPH01163248U - - Google Patents
Info
- Publication number
- JPH01163248U JPH01163248U JP6082688U JP6082688U JPH01163248U JP H01163248 U JPH01163248 U JP H01163248U JP 6082688 U JP6082688 U JP 6082688U JP 6082688 U JP6082688 U JP 6082688U JP H01163248 U JPH01163248 U JP H01163248U
- Authority
- JP
- Japan
- Prior art keywords
- capacity
- hydraulic motor
- control signal
- variable
- output
- 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
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Fluid-Pressure Circuits (AREA)
- Control Of Fluid Gearings (AREA)
Description
第１図は本考案の構成を示す概念図である。第
２図は本考案の実施例を示す回路図、第３図及び
第４図は同じく作用を示すグラフである。また、
第５図は従来例における指令信号と油圧ポンプの
容量制御信号との関係を示すグラフ、第６図は同
じく指令信号と油圧モータの回転数との関係を示
すグラフである。
１…油圧ポンプ、２…油圧モータ、３…サーボ
レギユレータ、４…コントローラ、５…レギユレ
ータシリンダ、６…サーボバルブ、７…メイン回
路、１０…油圧シリンダ、１１…ソレノイドバル
ブ、１２…信号入力装置、１３，１５…回転セン
サ、１４…圧力センサ。
FIG. 1 is a conceptual diagram showing the configuration of the present invention. FIG. 2 is a circuit diagram showing an embodiment of the present invention, and FIGS. 3 and 4 are graphs showing the same effect. Also,
FIG. 5 is a graph showing the relationship between the command signal and the displacement control signal of the hydraulic pump in the conventional example, and FIG. 6 is a graph showing the relationship between the command signal and the rotation speed of the hydraulic motor. DESCRIPTION OF SYMBOLS 1... Hydraulic pump, 2... Hydraulic motor, 3... Servo regulator, 4... Controller, 5... Regulator cylinder, 6... Servo valve, 7... Main circuit, 10... Hydraulic cylinder, 11... Solenoid valve, 12... Signal input device, 13, 15... Rotation sensor, 14... Pressure sensor.
Claims (1)
される容量可変式の油圧ポンプを接続し、容量制
御信号に応じてこの油圧ポンプの容量を増減する
サーボレギユレータと、油圧モータの容量を切換
変更する手段と、油圧モータの出力を制御する指
令信号の入力装置と、この指令信号に基づきサー
ボレギユレータに容量制御信号を出力する制御回
路とを備えた容量可変式油圧モータの駆動装置に
おいて、サーボレギユレータに出力する容量制御
信号を前記容量切換変更手段による油圧モータの
容量切換に応じて増減する修正回路を備えたこと
を特徴とする容量可変式油圧モータの駆動装置。 A variable capacity hydraulic pump rotated by the engine is connected to a variable capacity hydraulic motor, and a servo regulator increases or decreases the capacity of this hydraulic pump in response to a capacity control signal, and the capacity of the hydraulic motor can be switched. A drive device for a variable displacement hydraulic motor, comprising means for controlling the output of the hydraulic motor, a command signal input device for controlling the output of the hydraulic motor, and a control circuit for outputting a displacement control signal to a servo regulator based on the command signal, A drive device for a variable capacity hydraulic motor, comprising a correction circuit that increases or decreases a capacity control signal output to a servo regulator in accordance with the capacity switching of the hydraulic motor by the capacity switching change means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6082688U JPH01163248U (en) | 1988-05-09 | 1988-05-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6082688U JPH01163248U (en) | 1988-05-09 | 1988-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01163248U true JPH01163248U (en) | 1989-11-14 |
Family
ID=31286525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6082688U Pending JPH01163248U (en) | 1988-05-09 | 1988-05-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01163248U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006258237A (en) * | 2005-03-18 | 2006-09-28 | Kayaba Ind Co Ltd | Hydraulic motor unit |
| JP2007092951A (en) * | 2005-09-30 | 2007-04-12 | Kubota Corp | Load controlling structure of working vehicle |
| JP2009293669A (en) * | 2008-06-03 | 2009-12-17 | Sumitomo (Shi) Construction Machinery Co Ltd | Construction machine |
| US8414454B2 (en) | 2005-09-30 | 2013-04-09 | Kubota Corporation | Speed control structure and method for work vehicle |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6246002A (en) * | 1985-08-06 | 1987-02-27 | マンネスマン・レツクスロス・ゲ−・エム・ベ−・ハ− | Controller for driving system having applying pressure |
-
1988
- 1988-05-09 JP JP6082688U patent/JPH01163248U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6246002A (en) * | 1985-08-06 | 1987-02-27 | マンネスマン・レツクスロス・ゲ−・エム・ベ−・ハ− | Controller for driving system having applying pressure |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006258237A (en) * | 2005-03-18 | 2006-09-28 | Kayaba Ind Co Ltd | Hydraulic motor unit |
| JP2007092951A (en) * | 2005-09-30 | 2007-04-12 | Kubota Corp | Load controlling structure of working vehicle |
| JP4568669B2 (en) * | 2005-09-30 | 2010-10-27 | 株式会社クボタ | Work vehicle load control structure |
| US8414454B2 (en) | 2005-09-30 | 2013-04-09 | Kubota Corporation | Speed control structure and method for work vehicle |
| JP2009293669A (en) * | 2008-06-03 | 2009-12-17 | Sumitomo (Shi) Construction Machinery Co Ltd | Construction machine |
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