JPH0195438U - - Google Patents
Info
- Publication number
- JPH0195438U JPH0195438U JP19210687U JP19210687U JPH0195438U JP H0195438 U JPH0195438 U JP H0195438U JP 19210687 U JP19210687 U JP 19210687U JP 19210687 U JP19210687 U JP 19210687U JP H0195438 U JPH0195438 U JP H0195438U
- Authority
- JP
- Japan
- Prior art keywords
- rotating shaft
- transmission gear
- speed
- front wheel
- transmits power
- 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 11
- 238000010586 diagram Methods 0.000 description 1
Description
図面はこの考案の一実施例を示すもので、第１
図は前進走行時における前輪動力取出部を示す縦
断側面図、第２図は前進走行時におけるボーク機
構の一部を示す側面図、第３図は前進走行時にお
けるボークピンと凹部との位置関係を示す縦断正
面図、第４図は動力伝達経路の全体を示す説明図
、第５図は後進走行時における前輪動力取出部を
示す縦断側面図、第６図は後進走行時におけるボ
ーク機構の一部を示す側面図、第７図は前輪変速
装置の制御部を示す説明図、第８図はトラクタの
全体を示す側面図である。
２…エンジン、２０…後輪、２１…回転軸、２
６…標準速用伝動ギヤ、２７…ワンウエイクラツ
チ、２９…増速用伝動ギヤ、３０…摩擦式多板ク
ラツチ、４７…ボーク機構、５８…前輪、６３…
制御部。
The drawing shows one embodiment of this invention.
The figure is a longitudinal side view showing the front wheel power take-off part when running forward, Figure 2 is a side view showing a part of the balk mechanism when running forward, and Figure 3 shows the positional relationship between the balk pin and the recess when running forward. FIG. 4 is an explanatory diagram showing the entire power transmission path, FIG. 5 is a longitudinal side view showing the front wheel power take-off part when traveling in reverse, and FIG. 6 is a part of the balk mechanism when traveling in reverse. FIG. 7 is an explanatory view showing the control section of the front wheel transmission, and FIG. 8 is a side view showing the entire tractor. 2...engine, 20...rear wheel, 21...rotating shaft, 2
6... Standard speed transmission gear, 27... One-way clutch, 29... Speed-increasing transmission gear, 30... Friction type multi-plate clutch, 47... Balk mechanism, 58... Front wheel, 63...
control section.
Claims (1)
からの動力を前記前輪に伝達する回転軸を設け、
後輪の周速度と略等しい周速度で前記前輪を回転
させる動力伝達を行う標準速用伝動ギヤと前記後
輪の周速度より大きな周速度で前記前輪を回転さ
せる動力伝達を行う増速用伝動ギヤとを前記回転
軸上に設け、前記増速用伝動ギヤと前記回転軸と
を摩擦式多板クラツチを介して連結し、前進時に
おいて前記標準速用伝動ギヤから前記回転軸への
動力伝達を行うワンウエイクラツチを介して前記
標準速用伝動ギヤと前記回転軸とを連結し、操向
操作時において前記摩擦式多板クラツチを動力伝
達状態に切換える制御部を設けるとともに後進操
作に連動して前記標準速用伝動ギヤと前記回転軸
とを連結するボーク機構を設けたことを特徴とす
るトラクタの前輪変速装置。 A rotary shaft is provided that is connected to a freely steerable front wheel and transmits power from the engine to the front wheel,
A standard speed transmission gear that transmits power to rotate the front wheels at a circumferential speed substantially equal to the circumferential speed of the rear wheels; and a speed increasing transmission that transmits power to rotate the front wheels at a circumferential speed greater than the circumferential speed of the rear wheels. a gear is provided on the rotating shaft, the speed increasing transmission gear and the rotating shaft are connected via a friction multi-plate clutch, and power is transmitted from the standard speed transmission gear to the rotating shaft during forward movement. The standard speed transmission gear and the rotating shaft are connected through a one-way clutch that performs A front wheel transmission device for a tractor, characterized in that a balk mechanism is provided for connecting the standard speed transmission gear and the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987192106U JPH0629081Y2 (en) | 1987-12-18 | 1987-12-18 | Front wheel transmission of tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987192106U JPH0629081Y2 (en) | 1987-12-18 | 1987-12-18 | Front wheel transmission of tractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0195438U true JPH0195438U (en) | 1989-06-23 |
| JPH0629081Y2 JPH0629081Y2 (en) | 1994-08-10 |
Family
ID=31482979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987192106U Expired - Lifetime JPH0629081Y2 (en) | 1987-12-18 | 1987-12-18 | Front wheel transmission of tractor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0629081Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0196341U (en) * | 1987-12-20 | 1989-06-27 | ||
| JPH03132483A (en) * | 1989-10-16 | 1991-06-05 | Yanmar Diesel Engine Co Ltd | Four-wheel drive tractor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6231530U (en) * | 1985-08-13 | 1987-02-25 | ||
| JPS6285724A (en) * | 1985-10-11 | 1987-04-20 | Kubota Ltd | Front wheel speed change operating structure for agricultural tractor |
-
1987
- 1987-12-18 JP JP1987192106U patent/JPH0629081Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6231530U (en) * | 1985-08-13 | 1987-02-25 | ||
| JPS6285724A (en) * | 1985-10-11 | 1987-04-20 | Kubota Ltd | Front wheel speed change operating structure for agricultural tractor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0196341U (en) * | 1987-12-20 | 1989-06-27 | ||
| JPH03132483A (en) * | 1989-10-16 | 1991-06-05 | Yanmar Diesel Engine Co Ltd | Four-wheel drive tractor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0629081Y2 (en) | 1994-08-10 |