JPS62162438U - - Google Patents
Info
- Publication number
- JPS62162438U JPS62162438U JP5026086U JP5026086U JPS62162438U JP S62162438 U JPS62162438 U JP S62162438U JP 5026086 U JP5026086 U JP 5026086U JP 5026086 U JP5026086 U JP 5026086U JP S62162438 U JPS62162438 U JP S62162438U
- Authority
- JP
- Japan
- Prior art keywords
- clutch
- hydraulic
- circuit
- control valve
- branches
- 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
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 1
Landscapes
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Motor Power Transmission Devices (AREA)
- Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
- Magnetically Actuated Valves (AREA)
Description
図面は本考案の１実施例を示し、第１図は本考
案装置の油圧回路図、第２図は動力伝動系統図、
第３図はコンバインの機体における操作部の配置
図、第４図Ａ，Ｂは操作レバーの作動状態図、第
５図はサイドクラツチ部の拡大断面図、第６図は
同じその作動シリンダの斜視図、第７図はクラツ
チペダルのブレーキペダルの連動機構を表す一部
破断背面図、第８図は制御回路油圧の操作時の変
化状態を示すグラフ、第９図は本考案装置のマイ
コン制御回路図である。
２４：ポンプ、２６：メイン回路、３１：Ｆ１
（１速）クラツチ、３２：電磁比例制御弁、３３
：Ｆ２（二速）クラツチ、３４：リリーフ回路、
３５：Ｒ（後進）クラツチ。
The drawings show one embodiment of the present invention, FIG. 1 is a hydraulic circuit diagram of the device of the present invention, FIG. 2 is a power transmission system diagram,
Fig. 3 is a layout diagram of the operating section in the fuselage of the combine, Fig. 4 A and B are operating state diagrams of the operating lever, Fig. 5 is an enlarged sectional view of the side clutch section, and Fig. 6 is a perspective view of the same operating cylinder. 7 is a partially cutaway rear view showing the interlocking mechanism of the clutch pedal and the brake pedal, FIG. 8 is a graph showing changes in the control circuit oil pressure during operation, and FIG. 9 is the microcomputer control circuit of the device of the present invention. It is a diagram. 24: Pump, 26: Main circuit, 31: F 1
(1st speed) clutch, 32: Solenoid proportional control valve, 33
:F 2 (2nd speed) clutch, 34: Relief circuit,
35: R (reverse) clutch.
Claims (1)
ラツチ及びブレーキ装置の各作動系を分岐接続す
る油圧系のメイン回路にリリーフ回路を設けた構
成において、上記各作動系の切換操作時の必要油
圧量に応じて開度調節される電磁比例制御弁を前
記リリーフ回路に設けたことを特徴とする作業車
における油圧制御装置。 In a configuration in which a relief circuit is provided in the main circuit of the hydraulic system that branches and connects the operating systems of the gear shift clutch, steering clutch, and brake device operated by hydraulic drive, a relief circuit is provided in the main circuit of the hydraulic system that branches and connects the operating systems of the gear shift clutch, steering clutch, and brake device operated by hydraulic drive. A hydraulic control device for a work vehicle, characterized in that the relief circuit is provided with an electromagnetic proportional control valve whose opening degree is adjusted by the pressure control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5026086U JPS62162438U (en) | 1986-04-03 | 1986-04-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5026086U JPS62162438U (en) | 1986-04-03 | 1986-04-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62162438U true JPS62162438U (en) | 1987-10-15 |
Family
ID=30873457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5026086U Pending JPS62162438U (en) | 1986-04-03 | 1986-04-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62162438U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60256630A (en) * | 1984-05-31 | 1985-12-18 | Kawasaki Heavy Ind Ltd | Hydraulic clutch cylinder control device |
-
1986
- 1986-04-03 JP JP5026086U patent/JPS62162438U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60256630A (en) * | 1984-05-31 | 1985-12-18 | Kawasaki Heavy Ind Ltd | Hydraulic clutch cylinder control device |
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