JPS63199881U - - Google Patents
Info
- Publication number
- JPS63199881U JPS63199881U JP9253787U JP9253787U JPS63199881U JP S63199881 U JPS63199881 U JP S63199881U JP 9253787 U JP9253787 U JP 9253787U JP 9253787 U JP9253787 U JP 9253787U JP S63199881 U JPS63199881 U JP S63199881U
- Authority
- JP
- Japan
- Prior art keywords
- braked
- switched
- handle
- driving
- rear wheels
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
Description
第１図は農用トラクター全体側面図。第２図は
本考案のブレーキ装置を示す油圧回路図。第３図
はハンドル基部に設けた油圧バルブ平面断面図。
第４図は右旋回時のロータリーバルブ平面断面図
。第５図は左旋回時のロータリーバルブ平面断面
図。第６図は従来のブレーキペダル斜視図である
。
３Ｌ，３Ｒ……後輪、７……副変速レバー、９
……ブレーキペダル、１２……ハンドル、２０，
２１……ロータリーバルブ、２６，２７……切換
バルブ、３０Ｌ，３０Ｒ……ホイールシリンダー
。
Figure 1 is a side view of the entire agricultural tractor. FIG. 2 is a hydraulic circuit diagram showing the brake device of the present invention. FIG. 3 is a plan cross-sectional view of the hydraulic valve provided at the base of the handle.
Figure 4 is a plan sectional view of the rotary valve when turning to the right. FIG. 5 is a plan sectional view of the rotary valve when turning left. FIG. 6 is a perspective view of a conventional brake pedal. 3L, 3R...Rear wheel, 7...Sub-shift lever, 9
... Brake pedal, 12 ... Handle, 20,
21... Rotary valve, 26, 27... Switching valve, 30L, 30R... Wheel cylinder.
Claims (1)
１を設け、油圧にて制動するホイールシリンダー
３０Ｌ，３０Ｒと副送速レバー７にて切り換えら
れる切換バルブ２７との間に前記ロータリーバル
ブ２０，２１を介装し、２段階に切り換わる切換
バルブ２７をブレーキペダル９の回動により切り
換え可能とし、高速走行時には後輪３Ｌ，３Ｒ両
方を制動し、低速走行時にはハンドル１２の回動
方向の後輪３Ｌ，３Ｒを制動すべく構成したこと
を特徴とするブレーキ装置。 Rotary valve 20, 2 at the base of the handle 12
1, and the rotary valves 20 and 21 are interposed between the wheel cylinders 30L and 30R, which are braked by hydraulic pressure, and the switching valve 27, which is switched by the auxiliary speed lever 7, and the switching valve 27 is switched in two stages. can be switched by rotating the brake pedal 9, and when driving at high speed, both the rear wheels 3L and 3R are braked, and when driving at low speed, the rear wheels 3L and 3R are braked in the direction of rotation of the handle 12. brake equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9253787U JPS63199881U (en) | 1987-06-15 | 1987-06-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9253787U JPS63199881U (en) | 1987-06-15 | 1987-06-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63199881U true JPS63199881U (en) | 1988-12-22 |
Family
ID=30954332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9253787U Pending JPS63199881U (en) | 1987-06-15 | 1987-06-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63199881U (en) |
-
1987
- 1987-06-15 JP JP9253787U patent/JPS63199881U/ja active Pending