JPH01139151U - - Google Patents
Info
- Publication number
- JPH01139151U JPH01139151U JP3481188U JP3481188U JPH01139151U JP H01139151 U JPH01139151 U JP H01139151U JP 3481188 U JP3481188 U JP 3481188U JP 3481188 U JP3481188 U JP 3481188U JP H01139151 U JPH01139151 U JP H01139151U
- Authority
- JP
- Japan
- Prior art keywords
- pulse width
- switching valve
- pulse signal
- potentiometer
- hydraulic
- 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
- 238000003079 width control Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Transmission Devices (AREA)
- Gear-Shifting Mechanisms (AREA)
Description
第１図は本考案の一実施例を示すブロツク図、
第２図はブレーキ圧力およびクラツチ圧力の特性
を示すグラフ、第３図は従来のパワーテイクオフ
装置の制御装置の部分断面図である。
１１……操作部、１２……操作レバー、１３…
…ポテンシヨメータ、１４……コントローラ、１
５……オンオフ制御部、１６……パルス幅制御部
、１７……第１電磁切換弁、１８，２４……オイ
ルポンプ、１９，２３……オイルタンク、２０，
２５……電磁ソレノイド、２１，２６……リター
ンスプリング、２２……第２電磁切換弁。
FIG. 1 is a block diagram showing an embodiment of the present invention.
FIG. 2 is a graph showing characteristics of brake pressure and clutch pressure, and FIG. 3 is a partial sectional view of a conventional control device for a power take-off device. 11... Operating unit, 12... Operating lever, 13...
...Potentiometer, 14...Controller, 1
5...On/off control unit, 16...Pulse width control unit, 17...First electromagnetic switching valve, 18, 24...Oil pump, 19, 23...Oil tank, 20,
25... Electromagnetic solenoid, 21, 26... Return spring, 22... Second electromagnetic switching valve.
Claims (1)
ンシヨメータの出力に基づいてオンオフ信号を出
力するオンオフ制御部と、パルス信号のパルス幅
を制御するパルス幅制御部とを有するコントロー
ラと、前記オンオフ信号に基づいて液圧ブレーキ
に対する液圧を切換えるブレーキ用第１電磁切換
弁と、前記パルス幅が制御されたパルス信号に基
づいて液圧クラツチに対する液圧を切換えるクラ
ツチ用第２電磁切換弁と、を備えたことを特徴と
するパワーテイクオフ装置の制御装置。 a controller having an operation section having a potentiometer, an on-off control section that outputs an on-off signal based on the output of the potentiometer, and a pulse width control section that controls the pulse width of the pulse signal; a first electromagnetic switching valve for the brake that switches the hydraulic pressure for the hydraulic brake based on the pulse signal, and a second electromagnetic switching valve for the clutch that switches the hydraulic pressure for the hydraulic clutch based on the pulse signal whose pulse width is controlled. A control device for a power take-off device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3481188U JPH01139151U (en) | 1988-03-16 | 1988-03-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3481188U JPH01139151U (en) | 1988-03-16 | 1988-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01139151U true JPH01139151U (en) | 1989-09-22 |
Family
ID=31261487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3481188U Pending JPH01139151U (en) | 1988-03-16 | 1988-03-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01139151U (en) |
-
1988
- 1988-03-16 JP JP3481188U patent/JPH01139151U/ja active Pending