JPS61134433U - - Google Patents
Info
- Publication number
- JPS61134433U JPS61134433U JP1985018939U JP1893985U JPS61134433U JP S61134433 U JPS61134433 U JP S61134433U JP 1985018939 U JP1985018939 U JP 1985018939U JP 1893985 U JP1893985 U JP 1893985U JP S61134433 U JPS61134433 U JP S61134433U
- Authority
- JP
- Japan
- Prior art keywords
- partition wall
- wall member
- charge pump
- hydraulic
- transmission case
- 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 16
- 238000005192 partition Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- General Details Of Gearings (AREA)
- Motor Power Transmission Devices (AREA)
Description
図面は本考案に係る農用トラクタの伝動装置の
実施例を示し、第１図はチヤージポンプ、オイル
フイルタに連通する油路を示す無段変速装置概略
正面図、第２図はチエツクバルブ等を示す無段変
速装置の概略正面図、第３図は連通状態のロータ
リバルブを示す図、第４図は無段変速装置等の油
路を示す油圧回路図、第５図は無段変速装置の縦
断側面図、第６図はチヤージポンプ等への油路を
示す概略側面図、第７図は無段変速装置の操作系
を示す側面図、第８図は農用トラクタの全体側面
図である。
３……油圧式無段変速装置、４……ギヤミツシ
ヨンケース、１３……油圧ポンプ、１４……油圧
モータ、１６……仕切壁部材、２２……チヤージ
ポンプ、２６……出力ポート、２７……チエツク
バルブ、２８……チヤージ油供給ポート、２９…
…フイルタ。
The drawings show an embodiment of the transmission device for an agricultural tractor according to the present invention. FIG. 1 is a schematic front view of the continuously variable transmission device showing the oil passage communicating with the charge pump and oil filter, and FIG. A schematic front view of the step-change transmission, FIG. 3 is a diagram showing the rotary valve in a communicating state, FIG. 4 is a hydraulic circuit diagram showing the oil passages of the step-less transmission, etc., and FIG. 5 is a longitudinal side view of the step-change transmission. 6 is a schematic side view showing an oil passage to a charge pump, etc., FIG. 7 is a side view showing an operating system of the continuously variable transmission, and FIG. 8 is an overall side view of the agricultural tractor. 3... Hydraulic continuously variable transmission, 4... Gear transmission case, 13... Hydraulic pump, 14... Hydraulic motor, 16... Partition wall member, 22... Charge pump, 26... Output port, 27... ...Check valve, 28...Charge oil supply port, 29...
...filter.
Claims (1)
内装した油圧式無段変速装置４を、ギヤミツシヨ
ンケース４の前部に仕切壁部材１６を介して連結
し、前記無段変速装置３用チヤージポンプ２２を
前記仕切壁部材１６の後面側に組込んでギヤミツ
シヨンケース４側の動力で駆動するよう構成する
とともに、仕切壁部材１６の後面に形成したチヤ
ージポンプ用吸入ポート２４をギヤミツシヨンケ
ース４の下部に連通させ、かつ、仕切壁部材１６
の前記油圧ポンプ１３と油圧モータ１４の上下中
間に相当する部位に、チヤージ油を前記無段変速
装置３の低圧側油路に供給するための一対のチエ
ツクバルブ２７，２７を組込み、これらチエツク
バルブ２７，２７へのチヤージ油供給ポート２８
及びチヤージポンプ２２の出力ポート２６を夫々
仕切壁部材１６の横側面に形成し、これら両ポー
ト２６，２８をフイルター２９を介して接続して
ある農用トラクタの伝動装置。 A hydraulic continuously variable transmission 4 in which a hydraulic pump 13 and a hydraulic motor 14 are arranged vertically is connected to the front part of the gear transmission case 4 via a partition wall member 16, and a charge pump 22 for the continuously variable transmission 3 is connected to the front part of the gear transmission case 4 through a partition wall member 16. is built into the rear side of the partition wall member 16 and driven by the power from the gear transmission case 4 side, and the charge pump suction port 24 formed on the rear side of the partition wall member 16 is connected to the rear side of the gear transmission case 4. The partition wall member 16 communicates with the lower part.
A pair of check valves 27, 27 for supplying charge oil to the low pressure side oil passage of the continuously variable transmission 3 is installed in a portion corresponding to the upper and lower middle of the hydraulic pump 13 and the hydraulic motor 14. Charge oil supply port 28 to 27, 27
A transmission device for an agricultural tractor in which an output port 26 of a charge pump 22 and a charge pump 22 are respectively formed on the side surface of a partition wall member 16, and both ports 26 and 28 are connected through a filter 29.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985018939U JPH0311059Y2 (en) | 1985-02-12 | 1985-02-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985018939U JPH0311059Y2 (en) | 1985-02-12 | 1985-02-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61134433U true JPS61134433U (en) | 1986-08-21 |
| JPH0311059Y2 JPH0311059Y2 (en) | 1991-03-18 |
Family
ID=30508046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985018939U Expired JPH0311059Y2 (en) | 1985-02-12 | 1985-02-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0311059Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013006583A (en) * | 2011-05-26 | 2013-01-10 | Kanzaki Kokyukoki Manufacturing Co Ltd | Hydraulic stepless transmission |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6467183B2 (en) * | 2014-10-06 | 2019-02-06 | 三菱マヒンドラ農機株式会社 | Work vehicle |
-
1985
- 1985-02-12 JP JP1985018939U patent/JPH0311059Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013006583A (en) * | 2011-05-26 | 2013-01-10 | Kanzaki Kokyukoki Manufacturing Co Ltd | Hydraulic stepless transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0311059Y2 (en) | 1991-03-18 |
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