JPH0338227U - - Google Patents
Info
- Publication number
- JPH0338227U JPH0338227U JP9922189U JP9922189U JPH0338227U JP H0338227 U JPH0338227 U JP H0338227U JP 9922189 U JP9922189 U JP 9922189U JP 9922189 U JP9922189 U JP 9922189U JP H0338227 U JPH0338227 U JP H0338227U
- Authority
- JP
- Japan
- Prior art keywords
- front wheel
- angle sensor
- turning angle
- wheel speed
- increasing mechanism
- 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 1
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
- Magnetically Actuated Valves (AREA)
Description
図面は本考案の一実施例を示すものであつて、
第１図はトラクタの側面図、第２図は制御回路図
、第３図は前輪増速機構の断面図、第４図はシフ
ター駆動部の断面図、第５図はシフター駆動部を
油圧シリンダにより作動させる例の制御回路図、
第６図はシフター駆動部を油圧装置に変えた例の
断面図、第７図は電磁切換弁の制御図、第８図は
前輪駆動スイツチの配置図、第９図は同上回路図
、第１０図はデフロツクの断続とデイスクブレー
キの作動とを別の電磁バルブにて行なう例の油圧
制御回路図、第１１図はシフター軸支持部の他の
例の断面図である。
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、４５……電
磁バルブ、４８……クイツクターンスイツチ。
The drawings show one embodiment of the present invention,
Fig. 1 is a side view of the tractor, Fig. 2 is a control circuit diagram, Fig. 3 is a sectional view of the front wheel speed increasing mechanism, Fig. 4 is a sectional view of the shifter drive section, and Fig. 5 is the shifter drive section connected to the hydraulic cylinder. A control circuit diagram of an example operated by
Figure 6 is a cross-sectional view of an example in which the shifter drive unit is replaced by a hydraulic system, Figure 7 is a control diagram of the electromagnetic switching valve, Figure 8 is a layout diagram of the front wheel drive switch, Figure 9 is the same circuit diagram as above, and Figure 10 is a diagram of the arrangement of the front wheel drive switch. The figure is a hydraulic control circuit diagram of an example in which different electromagnetic valves are used to turn on and off the differential lock and actuate the disc brake, and FIG. 11 is a sectional view of another example of the shifter shaft support. 2...Front wheel, 6...Front wheel speed increasing mechanism, 10...Front wheel turning angle sensor, 18...Differential mechanism, 19...
Differential shaft, 20...disc brake, 45...electromagnetic valve, 48...quick turn 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、運転部にクイツクタ
ーンスイツチ４８を設け、このクイツクターンス
イツチ４８と前記前輪切れ角センサー１０とを前
記電磁バルブ４５の制御回路に直列に挿入したこ
とを特徴とするトラクタにおける前輪増速装置。 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 tractor equipped with the following features: a quick turn switch 48 is provided in the driving section, and the quick turn switch 48 and the front wheel turning angle sensor 10 are inserted in series into the control circuit of the electromagnetic valve 45. Front wheel speed increase device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9922189U JP2535235Y2 (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 |
|---|---|---|---|
| JP9922189U JP2535235Y2 (en) | 1989-08-26 | 1989-08-26 | Front wheel speed increasing device for tractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0338227U true JPH0338227U (en) | 1991-04-12 |
| JP2535235Y2 JP2535235Y2 (en) | 1997-05-07 |
Family
ID=31648278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9922189U Expired - Lifetime JP2535235Y2 (en) | 1989-08-26 | 1989-08-26 | Front wheel speed increasing device for tractor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2535235Y2 (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 JP9922189U patent/JP2535235Y2/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 |
|---|---|
| JP2535235Y2 (en) | 1997-05-07 |
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