JPS63145719U - - Google Patents
Info
- Publication number
- JPS63145719U JPS63145719U JP3881987U JP3881987U JPS63145719U JP S63145719 U JPS63145719 U JP S63145719U JP 3881987 U JP3881987 U JP 3881987U JP 3881987 U JP3881987 U JP 3881987U JP S63145719 U JPS63145719 U JP S63145719U
- Authority
- JP
- Japan
- Prior art keywords
- speed
- front wheel
- transmission
- drive
- rotation speed
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
Description
図面は本考案に係る作業車の前輪変速操作構造
の実施例を示し、第１図は前輪操向系と前輪変速
装置との連係状態を示す概略図、第２図は前輪変
速装置の縦断側面図、第３図は制御装置内の概略
回路図、第４図は農用トラクタの全体側面図であ
る。
１……前輪、１０……前輪変速装置、１１……
伝動軸、２４……回転数検出センサー。
The drawings show an embodiment of the front wheel speed change operation structure for a working vehicle according to the present invention, FIG. 1 is a schematic diagram showing the state of cooperation between the front wheel steering system and the front wheel speed change device, and FIG. 2 is a longitudinal side view of the front wheel speed change device. FIG. 3 is a schematic circuit diagram of the inside of the control device, and FIG. 4 is an overall side view of the agricultural tractor. 1...Front wheel, 10...Front wheel transmission, 11...
Transmission shaft, 24... Rotation speed detection sensor.
Claims (1)
と略等しい駆動速度で伝動する標準駆動状態と、
後輪駆動速度より大きい駆動速度で伝動する増速
駆動状態とに切換える前輪変速装置１０を備える
と共に、前記前輪１の操向角度を検出し設定角度
以上の操向操作により、前輪変速装置１０が増速
駆動状態側に切換操作されるように構成してある
作業車の前輪変速操作構造であつて、走行用の変
速装置より下手側の伝動軸１１の回転数を検出す
る回転数検出センサー２４を設けると共に、前記
回転数検出センサー２４からの検出回転数が設定
回転数よりも大であると、前記前輪変速装置１０
の増速駆動側への切換操作を阻止する牽制装置を
備えてある作業車の前輪変速操作構造。 a standard drive state in which the transmission system to the steerable front wheels 1 transmits power at a drive speed substantially equal to the rear wheel drive speed;
The front wheel transmission 10 is equipped with a front wheel transmission 10 that switches to an increased speed driving state in which transmission is performed at a drive speed higher than the rear wheel drive speed, and the front wheel transmission 10 detects the steering angle of the front wheels 1 and changes the front wheel transmission 10 by a steering operation exceeding a set angle. A rotation speed detection sensor 24 that detects the rotation speed of the transmission shaft 11 on the lower side of the driving transmission, which is a front wheel speed change operation structure of a working vehicle configured to be switched to the speed-increasing drive state side. and when the rotation speed detected by the rotation speed detection sensor 24 is larger than the set rotation speed, the front wheel transmission 10
A front wheel gear shift operation structure for a work vehicle, which is equipped with a check device that prevents switching operation to the speed increasing drive side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3881987U JPS63145719U (en) | 1987-03-16 | 1987-03-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3881987U JPS63145719U (en) | 1987-03-16 | 1987-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63145719U true JPS63145719U (en) | 1988-09-26 |
Family
ID=30851424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3881987U Pending JPS63145719U (en) | 1987-03-16 | 1987-03-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63145719U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10217790A (en) * | 1997-02-07 | 1998-08-18 | Kubota Corp | Working vehicle |
-
1987
- 1987-03-16 JP JP3881987U patent/JPS63145719U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10217790A (en) * | 1997-02-07 | 1998-08-18 | Kubota Corp | Working vehicle |