JPH0229831U - - Google Patents
Info
- Publication number
- JPH0229831U JPH0229831U JP10892988U JP10892988U JPH0229831U JP H0229831 U JPH0229831 U JP H0229831U JP 10892988 U JP10892988 U JP 10892988U JP 10892988 U JP10892988 U JP 10892988U JP H0229831 U JPH0229831 U JP H0229831U
- Authority
- JP
- Japan
- Prior art keywords
- transmission
- speed sensor
- traveling speed
- control circuit
- switching
- 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
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
- Control Of Transmission Device (AREA)
Description
図面は本考案の一実施例を示すものであつて、
第１図は切換え具の側面図、第２図は前輪変速制
御回路図、第３図は前輪変速装置の油圧制御図、
第４図は他の実施例の側面図、第５図は同上Ａ―
Ａ矢視図、第６図は同上前輪変速制御回路図であ
る。
１……操向ハンドル、３……油圧シリンダ、５
……電磁弁、６……デスクブレーキ、７……差動
装置、１２……エンジンコントロールレバー、１
７……低速検出センサー、２１ａ，２１ｂ……ブ
レーキペタル、２４……連結金。
The drawings show one embodiment of the present invention,
Figure 1 is a side view of the switching device, Figure 2 is a front wheel transmission control circuit diagram, Figure 3 is a hydraulic control diagram of the front wheel transmission,
FIG. 4 is a side view of another embodiment, and FIG. 5 is a side view of another embodiment.
The A arrow view and FIG. 6 are front wheel shift control circuit diagrams same as above. 1...Steering handle, 3...Hydraulic cylinder, 5
... Solenoid valve, 6 ... Desk brake, 7 ... Differential gear, 12 ... Engine control lever, 1
7...Low speed detection sensor, 21a, 21b...Brake pedal, 24...Connection metal.
Claims (1)
において、前記変速装置を電気信号により変速切
換えするように構成し、作業位置と路上走行位置
とに切換える切換え具を設け、該切換え具の路上
走行位置に走行速度センサーを設けてこの走行速
度センサーを前記変速装置の制御回路に挿入する
ことにより走行速度センサーが走行位置を検出し
た状態で上記制御回路を遮断するようにしたこと
を特徴とする農用トラクタにおける安全装置。 In an agricultural tractor having a transmission installed in a front wheel transmission system, the transmission is configured to change gears by an electric signal, and a switching tool is provided for switching between a working position and a road running position, and the road driving position of the switching tool is An agricultural tractor characterized in that a traveling speed sensor is provided in the vehicle, and the traveling speed sensor is inserted into a control circuit of the transmission so that the control circuit is cut off when the traveling speed sensor detects the traveling position. safety equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10892988U JPH0733940Y2 (en) | 1988-08-19 | 1988-08-19 | Safety equipment for agricultural tractors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10892988U JPH0733940Y2 (en) | 1988-08-19 | 1988-08-19 | Safety equipment for agricultural tractors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0229831U true JPH0229831U (en) | 1990-02-26 |
| JPH0733940Y2 JPH0733940Y2 (en) | 1995-08-02 |
Family
ID=31344719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10892988U Expired - Lifetime JPH0733940Y2 (en) | 1988-08-19 | 1988-08-19 | Safety equipment for agricultural tractors |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0733940Y2 (en) |
-
1988
- 1988-08-19 JP JP10892988U patent/JPH0733940Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0733940Y2 (en) | 1995-08-02 |
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