JPH0242872U - - Google Patents
Info
- Publication number
- JPH0242872U JPH0242872U JP12289388U JP12289388U JPH0242872U JP H0242872 U JPH0242872 U JP H0242872U JP 12289388 U JP12289388 U JP 12289388U JP 12289388 U JP12289388 U JP 12289388U JP H0242872 U JPH0242872 U JP H0242872U
- Authority
- JP
- Japan
- Prior art keywords
- transmission mechanism
- switching operation
- reverse
- view
- section
- 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 8
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
- Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
- Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
Description
図面は本考案に係る作業車の操向構造の実施例
を示し、第１図は第２切換弁、可変リリーフ弁及
びシフトギヤの操作系の構造を示す正面図、第２
図は第２切換弁、可変リリーフ弁の操作系を示す
第１図における―方向からの縦断側面図、第
３図は第２図に示す状態から操作レバーを右又は
左側制動位置に操作した場合に対応する第２切換
弁及び可変リリーフ弁の操作系の縦断側面図、第
４図は第２図に示す状態から操作レバーを右又は
左側逆転位置に操作した場合に対応する第２切換
弁及び可変リリーフ弁の操作系の縦断側面図、第
５図は第１切換弁の操作系及び油圧シリンダを示
す正面図、第６図は第１切換弁の操作系を示す縦
断側面図、第７図は第１，２，３切換弁、油圧シ
リンダ及び可変リリーフ弁の接続状態を示す油圧
回路図、第８図は操作レバー付近の構造を示す斜
視図、第９図はコンバインにおけるミツシヨンケ
ースの縦断正面図、第１０図はコンバイン前半部
の側面図、第１１図はサイドブレーキにおけるス
プリング付近の側面図、第１２図はサイドブレー
キにおけるスプリング付近の正面図である。
２４…走行装置、３０…逆転伝動機構、４１…
変速操作部、４１ａ…変速操作部の係止部、７６
…切換操作部、７６ｂ…切換操作部の係止部。
The drawings show an embodiment of the steering structure for a working vehicle according to the present invention, and FIG. 1 is a front view showing the structure of the operation system for the second switching valve, variable relief valve, and shift gear.
The figure shows the operating system of the second switching valve and the variable relief valve, and the longitudinal side view taken from the - direction in figure 1. Figure 3 shows the case where the operating lever is operated to the right or left braking position from the state shown in figure 2. FIG. 4 is a vertical cross-sectional side view of the operating system of the second switching valve and variable relief valve corresponding to the state shown in FIG. FIG. 5 is a front view showing the operating system of the first switching valve and the hydraulic cylinder; FIG. 6 is a longitudinal side view showing the operating system of the first switching valve; FIG. 7 is a longitudinal side view of the operating system of the variable relief valve; is a hydraulic circuit diagram showing the connection state of the 1st, 2nd, and 3 switching valves, hydraulic cylinder, and variable relief valve; Fig. 8 is a perspective view showing the structure near the operating lever; Fig. 9 is a vertical cross-section of the transmission case of a combine harvester. 10 is a side view of the front half of the combine, FIG. 11 is a side view of the vicinity of the spring in the handbrake, and FIG. 12 is a front view of the vicinity of the spring of the handbrake. 24... Travel device, 30... Reverse transmission mechanism, 41...
Speed change operation part, 41a...Locking part of the speed change operation part, 76
...Switching operation section, 76b...Locking section of the switching operation section.
Claims (1)
させる逆転伝動機構３０を備えた作業車の操向構
造であつて、走行用の変速装置の高速側への操作
に伴つて、前記逆転伝動機構３０の切換操作部７
６の逆転位置に入り込んで、逆転側への切換操作
を接当阻止する係止部４１ａを前記変速装置の変
速操作部４１に設けると共に、逆転伝動機構３０
の逆転側への切換操作に伴つて、前記変速装置の
変速操作部４１の高速位置に入り込んで、高速側
への操作を接当阻止する係止部７６ｂを逆転伝動
機構３０の切換操作部７６に設けてある作業車の
操向構造。 This is a steering structure for a working vehicle including a reversing transmission mechanism 30 that independently reverses a pair of left and right traveling devices 24, 24, in which the reversing transmission mechanism 30 switching operation section 7
A locking portion 41a that enters the reverse rotation position of No. 6 and abuts against a switching operation to the reverse side is provided on the speed change operation portion 41 of the transmission device, and the reverse rotation transmission mechanism 30
With the switching operation to the reverse side, the switching operation section 76 of the reverse transmission mechanism 30 enters the high speed position of the speed change operating section 41 of the transmission device, and engages the locking portion 76b that abuts and prevents the operation toward the high speed side. The steering structure of a work vehicle installed in
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12289388U JPH078364Y2 (en) | 1988-09-20 | 1988-09-20 | Work vehicle steering structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12289388U JPH078364Y2 (en) | 1988-09-20 | 1988-09-20 | Work vehicle steering structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0242872U true JPH0242872U (en) | 1990-03-23 |
| JPH078364Y2 JPH078364Y2 (en) | 1995-03-01 |
Family
ID=31371251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12289388U Expired - Lifetime JPH078364Y2 (en) | 1988-09-20 | 1988-09-20 | Work vehicle steering structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH078364Y2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03276877A (en) * | 1990-03-27 | 1991-12-09 | Kubota Corp | Steering control structure for farm working vehicle |
| JPH0517258U (en) * | 1991-08-19 | 1993-03-05 | セイレイ工業株式会社 | Actuator mounting structure |
| JPH0522148U (en) * | 1991-09-10 | 1993-03-23 | 株式会社クボタ | Work vehicle traveling speed change structure |
| JPH061128U (en) * | 1992-06-19 | 1994-01-11 | 株式会社クボタ | Work vehicle running restraint structure |
| JPH061127U (en) * | 1992-06-12 | 1994-01-11 | 株式会社クボタ | Work vehicle running restraint structure |
| CN119872212A (en) * | 2025-03-27 | 2025-04-25 | 潍柴雷沃智慧农业科技股份有限公司 | Novel electric drive bridge of pure electric tractor and electric drive bridge control method |
-
1988
- 1988-09-20 JP JP12289388U patent/JPH078364Y2/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03276877A (en) * | 1990-03-27 | 1991-12-09 | Kubota Corp | Steering control structure for farm working vehicle |
| JPH0517258U (en) * | 1991-08-19 | 1993-03-05 | セイレイ工業株式会社 | Actuator mounting structure |
| JPH0522148U (en) * | 1991-09-10 | 1993-03-23 | 株式会社クボタ | Work vehicle traveling speed change structure |
| JPH061127U (en) * | 1992-06-12 | 1994-01-11 | 株式会社クボタ | Work vehicle running restraint structure |
| JPH061128U (en) * | 1992-06-19 | 1994-01-11 | 株式会社クボタ | Work vehicle running restraint structure |
| CN119872212A (en) * | 2025-03-27 | 2025-04-25 | 潍柴雷沃智慧农业科技股份有限公司 | Novel electric drive bridge of pure electric tractor and electric drive bridge control method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH078364Y2 (en) | 1995-03-01 |