JPS58133621U - Hydraulic control device for hydraulic clutch type transmissions - Google Patents
Hydraulic control device for hydraulic clutch type transmissionsInfo
- Publication number
- JPS58133621U JPS58133621U JP3184282U JP3184282U JPS58133621U JP S58133621 U JPS58133621 U JP S58133621U JP 3184282 U JP3184282 U JP 3184282U JP 3184282 U JP3184282 U JP 3184282U JP S58133621 U JPS58133621 U JP S58133621U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- control device
- hydraulic clutch
- clutch type
- control piston
- 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
Landscapes
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はこの考案の一実施例における油圧回路と一部材
とを示す油圧回路図及び縦断面図、第２図は同実施例に
おける電気制御回路を示す電気回路図、第３図は同実施
例を装備した車輌の一部を示す縦断面図、第４図は同実
施例の一部を示す縦断面図、第５図は従来例と対比して
の作用を示すグラフである。
１・・・・・・パワーシフト軸、２Ｆ□、 ２Ｆ２．
２Ｆ３゜２Ｒ・・・・・・油圧クラッチ、４・・・・
・・給油回路、６・・・・・・切換弁、６ａ・・・・・
・スプール、７・・・・・・調圧弁、１０・・・・・・
油圧設定用スプリング、１１・・・・・・弁体、１２・
・・・・・ポンプポート、１３・・・・・・リリーフポ
ート、１５・・・・・・制御ピストン、１６・・・・・
・絞り、１７・・・・・・接続回路、１８・・・・・・
油通路穴、１９・・・・・・ドレン回路、２０・・・・
・・電磁アンロードバルブ、２０ａ・・・・・・ソレノ
イド、２２・・・・・・変速レバー、２６・・・・・・
７４−−クシャフト、２８・・・・・・シフトフォーク
、３ＯＮ。
３０Ｆ□、３０Ｆ２．３０Ｆ３．３ＯＲ・・・・・・環
状凹溝、３３・・・・・・ボール、ＬＳ・・・・・・リ
ミットスイッチ、ＬＳａ・・・・・・作動子、Ｃ工・・
・・・・トリガー回路、Ｃ２・・・・・・単安定マルチ
バイブレータ回路、Ｃ３・・・・・・パワー回路。
４−Fig. 1 is a hydraulic circuit diagram and longitudinal sectional view showing a hydraulic circuit and some members in an embodiment of this invention, Fig. 2 is an electric circuit diagram showing an electric control circuit in the same embodiment, and Fig. 3 is an embodiment of the same. FIG. 4 is a vertical sectional view showing a part of a vehicle equipped with the example, FIG. 4 is a longitudinal sectional view showing a part of the same example, and FIG. 5 is a graph showing the effect in comparison with the conventional example. 1...Power shift shaft, 2F□, 2F2.
2F3゜2R...Hydraulic clutch, 4...
...Oil supply circuit, 6...Switching valve, 6a...
・Spool, 7...Pressure regulating valve, 10...
Oil pressure setting spring, 11... Valve body, 12.
... Pump port, 13 ... Relief port, 15 ... Control piston, 16 ...
・Aperture, 17...Connection circuit, 18...
Oil passage hole, 19...Drain circuit, 20...
...Electromagnetic unload valve, 20a...Solenoid, 22...Shift lever, 26...
74--Shaft, 28...Shift fork, 3ON. 30F□, 30F2.30F3.3OR...Annular groove, 33...Ball, LS...Limit switch, LSa...Actuator, C construction...・
...Trigger circuit, C2 ... Monostable multivibrator circuit, C3 ... Power circuit. 4-
Claims (1)
圧設定用スプリングの強度を増大させる制御ピストンを
、規制された位置まで前進可能に設け、油圧クラッチ式
変速装置における油圧クラッチに対する給油回路の油圧
を該制御ピストンの背後に絞りを介し作用させるように
、構成された調圧弁を備えている油圧制御装置であって
、前記した調圧弁における制御ピストンの背後に接続し
て電磁アンロードバルブを設けると共に、前記油圧クラ
ッチに対する油圧の給排を切換え制御する切換弁が２位
置間で変位せしめられるときに該変位に連動してオフ状
態から−Ｈオン動作せしめられた上で再びオフ状態に戻
されるリミットスイッチを設けて、このリミットスイッ
チのオン動作により上記電磁アンロードバルブをアンロ
ード作動させるように構成してなる、油圧クラッチ式変
速装置用の油圧制御装置。A control piston that receives the tip of a hydraulic pressure setting spring and increases the strength of the hydraulic pressure setting spring by advancing the piston is provided so as to be able to move forward to a regulated position, and the hydraulic pressure of the oil supply circuit for the hydraulic clutch in a hydraulic clutch type transmission is controlled according to the control piston. A hydraulic control device comprising a pressure regulating valve configured to act behind a control piston via a throttle, wherein an electromagnetic unload valve is provided connected to the rear of the control piston in the pressure regulating valve, and When a switching valve that switches and controls supply and discharge of hydraulic pressure to the hydraulic clutch is displaced between two positions, a limit switch is operated from an OFF state to a -H ON state in conjunction with the displacement, and is then returned to an OFF state. A hydraulic control device for a hydraulic clutch type transmission, comprising: a hydraulic control device for a hydraulic clutch type transmission device, wherein the electromagnetic unload valve is operated to unload by turning on the limit switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3184282U JPS58133621U (en) | 1982-03-05 | 1982-03-05 | Hydraulic control device for hydraulic clutch type transmissions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3184282U JPS58133621U (en) | 1982-03-05 | 1982-03-05 | Hydraulic control device for hydraulic clutch type transmissions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58133621U true JPS58133621U (en) | 1983-09-08 |
Family
ID=30043495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3184282U Pending JPS58133621U (en) | 1982-03-05 | 1982-03-05 | Hydraulic control device for hydraulic clutch type transmissions |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58133621U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6487927A (en) * | 1987-09-30 | 1989-04-03 | Iseki Agricult Mach | Clutch change-over controller |
-
1982
- 1982-03-05 JP JP3184282U patent/JPS58133621U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6487927A (en) * | 1987-09-30 | 1989-04-03 | Iseki Agricult Mach | Clutch change-over controller |
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