JPS6180123U - - Google Patents
Info
- Publication number
- JPS6180123U JPS6180123U JP16482784U JP16482784U JPS6180123U JP S6180123 U JPS6180123 U JP S6180123U JP 16482784 U JP16482784 U JP 16482784U JP 16482784 U JP16482784 U JP 16482784U JP S6180123 U JPS6180123 U JP S6180123U
- Authority
- JP
- Japan
- Prior art keywords
- transmission
- hydraulic
- circuit
- pressure oil
- main transmission
- 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
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Arrangement Of Transmissions (AREA)
- Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
- Gear-Shifting Mechanisms (AREA)
Description
図面は本考案に係る作業車の走行変更装置の実
施例を示し、第１図は油圧回路図、第２図はコン
バインの全体側面図、第３図は伝動系の概略構成
図、第４図は変速操作構造の斜視図、第５図は走
行クラツチ操作部の側面図である。第６図は本考
案の別の実施例を示す第１図に相当する油圧回路
図である。
１１……走行クラツチ、１６……副変速装置、
１７……主変速装置、２０ａ，２０ｂ……油圧ク
ラツチ、２１……制御弁、２８……バルブ、３６
……油圧アクチユエータ、ａ……油圧回路。
The drawings show an embodiment of the traveling change device for a working vehicle according to the present invention, in which Fig. 1 is a hydraulic circuit diagram, Fig. 2 is an overall side view of the combine harvester, Fig. 3 is a schematic configuration diagram of the transmission system, and Fig. 4 5 is a perspective view of the speed change operation structure, and FIG. 5 is a side view of the travel clutch operation section. FIG. 6 is a hydraulic circuit diagram corresponding to FIG. 1 showing another embodiment of the present invention. 11... Traveling clutch, 16... Sub-transmission device,
17...Main transmission, 20a, 20b...Hydraulic clutch, 21...Control valve, 28...Valve, 36
...Hydraulic actuator, a...Hydraulic circuit.
Claims (1)
を、制御弁２１からの圧油供給によつて択一的に
作動させて、複数段のギヤ変速を行う油圧操作式
の主変速装置１７を備え、この主変速装置１７の
伝動上手側に手動操作で複数段のギヤ変速を行う
ギヤシフト式の副変速装置１６を、かつ、この副
変速装置１６の伝動上手側に手動で入切操作可能
な走行クラツチ１１を設けた作業車の走行変速装
置において、圧油供給により前記走行クラツチ１
１を強制切り操作する、油圧アクチユエータ３６
を設け、前記主変速装置１７の油圧回路ａに、こ
の回路ａを前記副変速装置１６に対する手動変速
操作途中にはアンロード状態に、かつ、手動変速
挿作完了後にはロード状態にするバルブ２８を介
装すると共に、主変速装置１７の油圧回路ａがア
ンロード状態にあるとき、この回路ａへの供給圧
油を前記油圧アクチユエータ３６に導くように構
成してある作業車の走行変速装置。 A plurality of transmission hydraulic clutches 20a, 20b...
is provided with a hydraulically operated main transmission 17 which is selectively operated by pressure oil supply from a control valve 21 to perform multi-stage gear shifting. A travel transmission for a working vehicle, which includes a gear shift type sub-transmission 16 that performs gear shifting in multiple stages by operation, and a travel clutch 11 that can be manually turned on and off on the transmission upper side of the sub-transmission 16. , by supplying pressure oil to the traveling clutch 1.
Hydraulic actuator 36 that forcibly cuts 1.
A valve 28 is provided in the hydraulic circuit a of the main transmission 17 to put the circuit a into an unload state during a manual shift operation for the auxiliary transmission 16, and to put it into a load state after the manual shift operation is completed. A traveling transmission for a work vehicle, which is equipped with a hydraulic circuit a of a main transmission 17 and is configured to guide pressure oil supplied to the circuit a to the hydraulic actuator 36 when the hydraulic circuit a of the main transmission 17 is in an unloaded state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16482784U JPS6180123U (en) | 1984-10-31 | 1984-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16482784U JPS6180123U (en) | 1984-10-31 | 1984-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6180123U true JPS6180123U (en) | 1986-05-28 |
Family
ID=30722690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16482784U Pending JPS6180123U (en) | 1984-10-31 | 1984-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6180123U (en) |
-
1984
- 1984-10-31 JP JP16482784U patent/JPS6180123U/ja active Pending