JPS6318331U - - Google Patents
Info
- Publication number
- JPS6318331U JPS6318331U JP11320486U JP11320486U JPS6318331U JP S6318331 U JPS6318331 U JP S6318331U JP 11320486 U JP11320486 U JP 11320486U JP 11320486 U JP11320486 U JP 11320486U JP S6318331 U JPS6318331 U JP S6318331U
- Authority
- JP
- Japan
- Prior art keywords
- pto
- transmission
- shaft
- drive shaft
- shafts
- 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 22
- 238000005192 partition Methods 0.000 claims description 3
- 239000010720 hydraulic oil Substances 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Arrangement And Driving Of Transmission Devices (AREA)
- Transmission Devices (AREA)
Description
第１図は本考案に係るトラクターの全体的な伝
動系統を示す断面模式図、第２図はそのトランス
ミツシヨン機構の側断面図、第３図は第２図から
本考案の要部を抽出した拡大側断面図、第４図は
作動油の給排制御系統を示す油圧回路図、第５図
はＰＴＯ系延長ドライブシヤフトの組立方法を示
すための第３図に対応する説明図である。
１０……エンジン、１１……クランクシヤフト
、１３……入力メインシヤフト、１４，１６，１
７……中間仕切壁、１５，１８，１９……後壁、
２１……ＰＴＯ系ドライブシヤフト、２１ａ……
前部ドライブシヤフト、２１ｂ……中間ドライブ
シヤフト、２１ｃ……延長ドライブシヤフト、２
２ａ……ＰＴＯ入力軸、２２ｂ……ＰＴＯ変速ギ
ヤ軸、２３……走行系カウンターシヤフト、２７
……ＰＴＯ（出力）軸、２８〜３３……ＰＴＯ変
速ギヤ、３４……軸受け孔、５５……スイツチ、
Ａ……シングルクラツチ、Ｂ……主変速機構、Ｃ
……前・後進変速機構、Ｅ……副変速機構、Ｇ…
…ＰＴＯ変速機構、Ｈ……多板クラツチ、Ｍ１…
…クラツチケース、Ｍ２……トランスミツシヨン
ケース、Ｍ３……フアイナルトランスミツシヨン
ケース。
Figure 1 is a cross-sectional schematic diagram showing the overall transmission system of the tractor according to the present invention, Figure 2 is a side sectional view of the transmission mechanism, and Figure 3 is an extraction of the main parts of the present invention from Figure 2. FIG. 4 is a hydraulic circuit diagram showing a hydraulic oil supply/discharge control system, and FIG. 5 is an explanatory diagram corresponding to FIG. 3 showing a method of assembling a PTO extended drive shaft. 10... Engine, 11... Crankshaft, 13... Input main shaft, 14, 16, 1
7... Intermediate partition wall, 15, 18, 19... Rear wall,
21...PTO system drive shaft, 21a...
Front drive shaft, 21b... Intermediate drive shaft, 21c... Extension drive shaft, 2
2a...PTO input shaft, 22b...PTO speed change gear shaft, 23...Traveling system countershaft, 27
...PTO (output) shaft, 28-33 ... PTO transmission gear, 34 ... Bearing hole, 55 ... Switch,
A...Single clutch, B...Main transmission mechanism, C
...Forward/reverse transmission mechanism, E...Sub-transmission mechanism, G...
...PTO transmission mechanism, H...Multi-plate clutch, M1...
...Clutch case, M2...Transmission case, M3...Final transmission case.
Claims (1)
るＰＴＯ系ドライブシヤフト２１と、同じくエン
ジン１０からの回転動力を乾式シングルクラツチ
Ａにより断続的に受け入れる中空の入力メインシ
ヤフト１３とを、その所謂内外の２重軸形態とし
てクランクシヤフト１１の回転軸線上に配設し、 そのＰＴＯ系ドライブシヤフト２１のフアイナ
ルトランスミツシヨンケースＭ３内に臨む後部を
、ＰＴＯ系延長ドライブシヤフト２１ｃとして定
めて、該フアイナルトランスミツシヨンケースＭ
３自身に一体形成された後壁１９と中間仕切壁１
７へ軸受けさせ、その直下位置へ同様な軸受け状
態のもとで、ＰＴＯ軸２７を平行に列設すると共
に、 そのＰＴＯ軸２７上にスプライン嵌合されたＰ
ＴＯ変速ギヤ３２，３３群と、上記延長ドライブ
シヤフト２１ｃ上に固設されたＰＴＯ変速ギヤ２
８，２９，３０，３１群とにより、その相互の選
択噛合可能なＰＴＯ変速機構Ｇを形作つたトラク
ターにおいて、 上記延長ドライブシヤフト２１ｃを、その後端
部がフアイナルトランスミツシヨンケースＭ３の
中間仕切壁１７に軸受けされるＰＴＯ入力軸２２
ａと、同じくミツシヨンケースＭ３の後壁１９に
後端部が軸受けされ、且つ上記変速ギヤ２８，２
９，３０，３１群を具備したＰＴＯ変速ギヤ軸２
２ｂとの前後一対として分割形成し、 その分割部分に両軸２２ａ，２２ｂの伝動作用
を断続する油圧式の多板クラツチＨを介在設置す
ると共に、そのクラツチＨに対する作動油の給排
作用を、操縦席上の手元スイツチ５５によつて切
替え制御できるように定めたことを特徴とするト
ラクターのトランスミツシヨン機構。 ２ ＰＴＯ変速ギヤ軸２２ｂ上に固設された最も
大きなギヤ３１の直径寸法ｄ１を、そのフアイナ
ルトランスミツシヨンケースＭ３自身の後壁１９
に開口形成されたＰＴＯ変速ギヤ軸用軸受け孔３
４の開口寸法ｓよりも小寸法に定めたことを特徴
とする実用新案登録請求の範囲・第１項記載のト
ラクターのトランスミツシヨン機構。[Claims for Utility Model Registration] 1. A PTO drive shaft 21 that constantly receives rotational power from the engine 10, and a hollow input main shaft 13 that intermittently receives rotational power from the engine 10 using a dry single clutch A. , is arranged on the rotational axis of the crankshaft 11 as a so-called double shaft type inside and outside, and the rear part of the PTO drive shaft 21 facing into the final transmission case M3 is defined as a PTO extension drive shaft 21c. , the final transmission case M
3. Rear wall 19 and intermediate partition wall 1 integrally formed on 3 itself.
PTO shafts 27 are arranged parallel to each other in the same bearing condition directly below the PTO shafts 27, and the PTO shafts 27 are spline-fitted onto the PTO shafts 27.
TO transmission gear groups 32 and 33, and PTO transmission gear 2 fixedly installed on the extended drive shaft 21c.
8, 29, 30, and 31 groups to form a PTO transmission mechanism G that can selectively mesh with each other, the extended drive shaft 21c is connected to the intermediate partition wall of the final transmission case M3 at its rear end. PTO input shaft 22 bearing on 17
a, the rear end portion is similarly bearing on the rear wall 19 of the transmission case M3, and the transmission gears 28, 2
PTO transmission gear shaft 2 equipped with 9, 30, and 31 groups
2b, and a hydraulic multi-plate clutch H is interposed in the divided portion to connect and disconnect the transmission operation of both shafts 22a and 22b, and the function of supplying and discharging hydraulic oil to the clutch H is A transmission mechanism for a tractor, characterized in that switching control can be performed by a hand switch 55 on a driver's seat. 2. The diameter dimension d1 of the largest gear 31 fixedly installed on the PTO transmission gear shaft 22b is determined from the rear wall 19 of the final transmission case M3 itself.
Bearing hole 3 for the PTO gear shaft formed with an opening in
4. A transmission mechanism for a tractor according to claim 1, characterized in that the opening size s is smaller than the opening size s of item 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11320486U JPH0249139Y2 (en) | 1986-07-22 | 1986-07-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11320486U JPH0249139Y2 (en) | 1986-07-22 | 1986-07-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6318331U true JPS6318331U (en) | 1988-02-06 |
| JPH0249139Y2 JPH0249139Y2 (en) | 1990-12-25 |
Family
ID=30994781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11320486U Expired JPH0249139Y2 (en) | 1986-07-22 | 1986-07-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0249139Y2 (en) |
-
1986
- 1986-07-22 JP JP11320486U patent/JPH0249139Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0249139Y2 (en) | 1990-12-25 |
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