JPS6254354U - - Google Patents
Info
- Publication number
- JPS6254354U JPS6254354U JP14631185U JP14631185U JPS6254354U JP S6254354 U JPS6254354 U JP S6254354U JP 14631185 U JP14631185 U JP 14631185U JP 14631185 U JP14631185 U JP 14631185U JP S6254354 U JPS6254354 U JP S6254354U
- Authority
- JP
- Japan
- Prior art keywords
- control valve
- operation system
- transmission
- transmission operation
- permanent
- 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 14
- 230000007246 mechanism Effects 0.000 claims description 8
- 230000007935 neutral effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Harvester Elements (AREA)
- Arrangement Of Transmissions (AREA)
- Gear-Shifting Mechanisms (AREA)
Description
図面は本考案に係る走行変速装置の実施例を示
し、第１図は全体構成図、第２図は油圧回路図、
第３図及び第４図は主変速装置用操作系と副変速
装置用操作系とを示す平面図と側面図である。
３……ギヤ機構、１６……副変速装置、１７…
…主変速装置、６ａ，２０ａ……油圧クラツチ、
２１……第１制御バルブ、２２……漸次昇圧機構
、２３……油圧源、２５……第２制御バルブ、２
７……ギヤ機構、Ａ……主変速装置用操作系、Ｂ
……副変速装置用操作系、Ｎ……中立位置。
The drawings show an embodiment of the traveling transmission device according to the present invention, in which FIG. 1 is an overall configuration diagram, FIG. 2 is a hydraulic circuit diagram,
3 and 4 are a plan view and a side view showing the main transmission operating system and the sub-transmission operating system. 3...Gear mechanism, 16...Sub-transmission device, 17...
...Main transmission, 6a, 20a...Hydraulic clutch,
21...First control valve, 22...Gradual pressure increase mechanism, 23...Hydraulic pressure source, 25...Second control valve, 2
7... Gear mechanism, A... Main transmission operation system, B
...Operating system for sub-transmission, N...Neutral position.
Claims (1)
られた複数個の油圧クラツチ２０ａ…に対して第
１制御バルブ２１を介して択一的に圧油を供給し
て複数段に変速操作が可能な主変速装置１７と、
複数個の常咬式ギヤ機構３に対して夫々設けられ
た油圧クラツチ６ａ…に対して第２制御バルブ２
５を介して択一的に圧油を供給して複数段に変速
装置が可能な副変速装置１６とを直列に配設し、
第１制御バルブ２１と油圧源２３との間に漸次昇
圧機構２２を設けるとともに、第１制御バルブ２
１に漸次昇圧機構２２にかかる圧力を開放する中
立位置Ｎを、連続する複数の前進変速位置と後進
変速位置との中間に位置させて設け、かつ、第１
制御バルブ２１に対する主変速装置用操作系Ａと
第２制御バルブ２５に対する副変速装置用操作系
Ｂとの間に、主変速装置用操作系Ａが第１制御バ
ルブ２１を中立位置Ｎに位置させたときのみ副変
速装置用操作系Ｂの変速装置を許容する機構２９
を設けてある走行変速装置。 Pressure oil is alternatively supplied via the first control valve 21 to a plurality of hydraulic clutches 20a, which are respectively provided for a plurality of permanent-bite gear mechanisms 27, to perform gear shifting operations in a plurality of stages. possible main transmission 17;
A second control valve 2 is provided for each hydraulic clutch 6a provided for each of the plurality of permanent-bite gear mechanisms 3.
and an auxiliary transmission device 16 that can alternatively supply pressure oil through the transmission gear 5 to provide a multi-stage transmission device, and are arranged in series.
A gradual pressure increase mechanism 22 is provided between the first control valve 21 and the hydraulic power source 23, and the first control valve 21
1, a neutral position N for gradually releasing the pressure applied to the pressure increase mechanism 22 is provided between a plurality of successive forward shift positions and a plurality of reverse shift positions, and the first
Between the main transmission operation system A for the control valve 21 and the auxiliary transmission operation system B for the second control valve 25, the main transmission operation system A positions the first control valve 21 at the neutral position N. Mechanism 29 that allows the transmission of the auxiliary transmission operation system B only when
A traveling transmission equipped with a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985146311U JPH0538290Y2 (en) | 1985-09-24 | 1985-09-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985146311U JPH0538290Y2 (en) | 1985-09-24 | 1985-09-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6254354U true JPS6254354U (en) | 1987-04-04 |
| JPH0538290Y2 JPH0538290Y2 (en) | 1993-09-28 |
Family
ID=31058661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985146311U Expired - Lifetime JPH0538290Y2 (en) | 1985-09-24 | 1985-09-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0538290Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5784033U (en) * | 1980-10-31 | 1982-05-24 | ||
| JPS59131321U (en) * | 1983-02-22 | 1984-09-03 | 株式会社クボタ | Hydraulic power transmission for work vehicles |
-
1985
- 1985-09-24 JP JP1985146311U patent/JPH0538290Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5784033U (en) * | 1980-10-31 | 1982-05-24 | ||
| JPS59131321U (en) * | 1983-02-22 | 1984-09-03 | 株式会社クボタ | Hydraulic power transmission for work vehicles |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0538290Y2 (en) | 1993-09-28 |