JPH0338228U - - Google Patents
Info
- Publication number
- JPH0338228U JPH0338228U JP1989099222U JP9922289U JPH0338228U JP H0338228 U JPH0338228 U JP H0338228U JP 1989099222 U JP1989099222 U JP 1989099222U JP 9922289 U JP9922289 U JP 9922289U JP H0338228 U JPH0338228 U JP H0338228U
- Authority
- JP
- Japan
- Prior art keywords
- front wheel
- speed increasing
- wheel speed
- electromagnetic valve
- angle sensor
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
- Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
- Gear-Shifting Mechanisms (AREA)
Description
図面は本考案の一実施例を示すものであつて、
第１図は前輪増速機構を切換える電磁バルブの制
御回路図、第２図は運転パネルの斜視図、第３図
はトラクタの側面図、第４図は前輪増速機構の断
面図、第５図はシフター駆動部の断面図である。
２……前輪、６……前輪増速機構、１０……前
輪切れ角センサー、１８……デフ機構、１９……
差動軸、２０……デイスクブレーキ、２１……切
換機構、４８……クイクターンスイツチ、５１…
…選択スイツチ。
The drawings show one embodiment of the present invention,
Figure 1 is a control circuit diagram of the electromagnetic valve that switches the front wheel speed increasing mechanism, Figure 2 is a perspective view of the operating panel, Figure 3 is a side view of the tractor, Figure 4 is a sectional view of the front wheel speed increasing mechanism, and Figure 5 is a sectional view of the front wheel speed increasing mechanism. The figure is a sectional view of the shifter drive section. 2...Front wheel, 6...Front wheel speed increasing mechanism, 10...Front wheel turning angle sensor, 18...Differential mechanism, 19...
Differential shaft, 20... Disc brake, 21... Switching mechanism, 48... Quick turn switch, 51...
...Selection switch.
Claims (1)
、該前輪増速機構６を切換える油圧回路と、該油
圧回路に挿入されていて前記前輪切れ角センサー
１０の検出結果により作動する電磁バルブ４５と
を備えたトラクタにおいて、前記前輪切れ角セン
サー１０と電磁バルブ４５を接続した制御回路に
、切り位置と、自動位置と、人為操作位置とに切
換える選択スイツチ５１を介装し、運転部に人為
的に操作するクイツクターンスイツチ４８を設け
、このクイツクターンスイツチ４８を前記選択ス
イツチ５１の人為操作位置を電磁バルブ４５とを
接続した回路に挿入して、前記前輪切れ角センサ
ー１０の検出結果を、前記選択スイツチ５１によ
り、電磁バルブ４５に伝達しない状態と、自動的
に伝達する状態と、クイツクターンスイツチ４８
を介して伝達する状態とに選択するように構成し
たことを特徴とするトラクタにおける前輪増速操
作装置。 A front wheel turning angle sensor 10, a front wheel speed increasing mechanism 6, a hydraulic circuit for switching the front wheel speed increasing mechanism 6, and an electromagnetic valve 45 inserted into the hydraulic circuit and activated according to the detection result of the front wheel turning angle sensor 10. A selection switch 51 for switching between a cut position, an automatic position, and a manually operated position is installed in the control circuit connecting the front wheel turning angle sensor 10 and the electromagnetic valve 45, so that the operating section is not operated manually. A quick turn switch 48 is provided, and this quick turn switch 48 is inserted into a circuit connecting the manually operated position of the selection switch 51 to the electromagnetic valve 45, and the detection result of the front wheel turning angle sensor 10 is detected. , the selection switch 51 selects a state in which the signal is not transmitted to the electromagnetic valve 45, a state in which the signal is automatically transmitted, and the quick turn switch 48.
1. A front wheel speed increasing operation device for a tractor, characterized in that the front wheel speed increasing operation device is configured to select a state in which transmission is performed via a front wheel speed increasing operation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989099222U JPH084349Y2 (en) | 1989-08-26 | 1989-08-26 | Front wheel speed increasing device for tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989099222U JPH084349Y2 (en) | 1989-08-26 | 1989-08-26 | Front wheel speed increasing device for tractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0338228U true JPH0338228U (en) | 1991-04-12 |
| JPH084349Y2 JPH084349Y2 (en) | 1996-02-07 |
Family
ID=31648279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989099222U Expired - Lifetime JPH084349Y2 (en) | 1989-08-26 | 1989-08-26 | Front wheel speed increasing device for tractor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH084349Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012121429A (en) * | 2010-12-08 | 2012-06-28 | Mitsubishi Agricultural Machinery Co Ltd | Front wheel steering angle detecting device of working traveling vehicle |
-
1989
- 1989-08-26 JP JP1989099222U patent/JPH084349Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012121429A (en) * | 2010-12-08 | 2012-06-28 | Mitsubishi Agricultural Machinery Co Ltd | Front wheel steering angle detecting device of working traveling vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH084349Y2 (en) | 1996-02-07 |
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