JPS6343143Y2 - - Google Patents
Info
- Publication number
- JPS6343143Y2 JPS6343143Y2 JP1983048771U JP4877183U JPS6343143Y2 JP S6343143 Y2 JPS6343143 Y2 JP S6343143Y2 JP 1983048771 U JP1983048771 U JP 1983048771U JP 4877183 U JP4877183 U JP 4877183U JP S6343143 Y2 JPS6343143 Y2 JP S6343143Y2
- Authority
- JP
- Japan
- Prior art keywords
- suction
- pump
- oil passage
- tractor
- oil
- 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.)
- Expired
Links
- 239000003921 oil Substances 0.000 description 25
- 230000005540 biological transmission Effects 0.000 description 11
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Description
【考案の詳細な説明】
（産業上の利用分野）
本考案は、トラクタの内装式ポンプの油吸込構
造に関する。[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to an oil suction structure for an internal pump of a tractor.
（従来の技術）
従来のトラクタは、第１図に示す如く、エンジ
ン１の近傍にメイン油圧ポンプ２を有し、ミツシ
ヨンケース３が貯油槽とされ、該ケース３の中途
部よりメインポンプ２間にミツシヨンケース３の
外側を通つて油吸込用配管４が付設されていた
（実開昭58−39320号公報参照）。(Prior Art) As shown in FIG. 1, a conventional tractor has a main hydraulic pump 2 near an engine 1, a transmission case 3 is used as an oil storage tank, and the main pump 2 is supplied from the middle of the case 3. In between, an oil suction pipe 4 was installed passing through the outside of the transmission case 3 (see Japanese Utility Model Application No. 58-39320).
このようなトラクタにおいて、ミツシヨンケー
ス３内にサブの油圧クラツチ用ポンプを設ける
と、該サブポンプの油吸込管を前記メイン配管４
に接続するか（実開昭58−39320号公報参照）、又
は別途専用の吸込管をを付設していた（実開昭54
−100334号公報参照）。 In such a tractor, when a sub-hydraulic clutch pump is provided in the transmission case 3, the oil suction pipe of the sub-pump is connected to the main pipe 4.
(see Utility Model Application Publication No. 58-39320), or a separate dedicated suction pipe was attached (Refer to Utility Model Application Publication No. 58-39320).
-Refer to Publication No. 100334).
（考案が解決しようとする課題）
前記従来のように外側のメイン吸込配管４から
サブの吸込配管を内部に引き込むと管路が長くな
り好ましくなく、また別途吸込管をもうければフ
イルタ等を必要としコスト高となると云う問題が
あつた。(Problems to be solved by the invention) If the sub suction pipe is drawn inside from the outside main suction pipe 4 as in the conventional method, the pipe becomes long, which is undesirable, and if a separate suction pipe is provided, a filter, etc. is required. There was a problem that the cost would be high.
そこで、本考案は、サブのポンプの吸込回路を
メイン吸込配管に簡単に付設することができ、か
つ、管路長さを短かくすることができ、更にフイ
ルタの増設を不要とした、内装式ポンプの油吸込
構造を提供することを目的とする。 Therefore, the present invention has developed an internal system that allows the suction circuit of the sub-pump to be easily attached to the main suction pipe, shortens the length of the pipe, and eliminates the need for additional filters. The purpose is to provide an oil suction structure for a pump.
（課題を解決するための手段）
前記目的を達成するため、本考案は、次の手段
を講じた。即ち、本考案の特徴とする処は、トラ
クタ車体を構成するハウジングケースの前後方向
中途部に貯溜された油を、車体前方のエンジン近
傍に設けられたメインポンプへ供給する吸込油路
を有し、かつ前記ハウジングケース内に内装式ポ
ンプを有するトラクタにおいて、ハウジングケー
スの側壁肉厚内部に前後方向に沿つて前記メイン
ポンプ用吸込油路が形成され、前記側壁内面に
は、前記吸込油路に連通する分岐路が開口し、該
開口部に前記内装式ポンプの吸込管が接続されて
いる点にある。(Means for Solving the Problems) In order to achieve the above object, the present invention takes the following measures. That is, the present invention is characterized by having a suction oil passage that supplies oil stored in the middle part in the longitudinal direction of the housing case that constitutes the tractor body to the main pump provided near the engine at the front of the vehicle body. In the tractor having an internal pump in the housing case, the main pump suction oil passage is formed along the front-rear direction inside the thick side wall of the housing case, and the suction oil passage is formed on the inner surface of the side wall. The communicating branch path is open, and the suction pipe of the internal pump is connected to the opening.
（作用）
本考案によれば、ハウジングケースの前後方向
中途部に貯溜された油は、ハウジングケースの側
壁肉厚内部に形成されたメインポンプ用吸込油路
を介してメインポンプに供給される。前記油路に
は内装式ポンプの吸込管が接続されているので、
分岐路を介して、油が内装式ポンプにも供給され
る。(Function) According to the present invention, the oil stored in the middle part of the housing case in the longitudinal direction is supplied to the main pump via the main pump suction oil passage formed inside the thick side wall of the housing case. Since the suction pipe of the internal pump is connected to the oil passage,
Via the branch, oil is also supplied to the internal pump.
（実施例）
以下、本考案の実施例を図面に基づき詳述す
る。(Example) Hereinafter, an example of the present invention will be described in detail based on the drawings.
第１図はトラクタのミツシヨンケースの断面を
示し、５はミツシヨンケースであり、該ケース５
内に、走行系伝動軸６とPTO系伝動軸７が二重
軸状に軸支されている。同ケース５内にはこれら
の軸６，７と平行に走行系従動軸８が軸支されて
いる。走行系伝動軸６と従動軸８との間は高・低
速用変速ギヤ９，１０で連動連結されている。こ
れらギヤ９，１０を従動軸８に断接するためのダ
ブル油圧クラツチ１１が従動軸８上に套嵌されて
いる。 FIG. 1 shows a cross section of a transmission case of a tractor, and 5 is a transmission case;
Inside, a traveling system transmission shaft 6 and a PTO system transmission shaft 7 are supported in a double shaft manner. A traveling system driven shaft 8 is supported in the case 5 in parallel with these shafts 6 and 7. The traveling system transmission shaft 6 and the driven shaft 8 are interlocked and connected through high and low speed change gears 9 and 10. A double hydraulic clutch 11 is fitted onto the driven shaft 8 for connecting and disconnecting the gears 9 and 10 to the driven shaft 8.
この従動軸８の端部に内装式油圧ポンプ１２が
接続されている。図例では、該油圧ポンプ１２は
クラツチハウジング１３内に位置している。 An internal hydraulic pump 12 is connected to the end of the driven shaft 8 . In the illustrated example, the hydraulic pump 12 is located within the clutch housing 13.
第３〜５図に示す如く、クラツチハウジング１
３の側壁１４には、肉厚に形成されたパイプステ
ーシヨン１５が前後方向にわたつて突設され、該
ステーシヨン１５内に、前後方向に貫通した油路
１６が形成されている。この油路１６の両端部に
メインポンプ吸込み用配管１７，１８が接続さ
れ、前側の配管１７は図示省略のメインポンプに
接続され、後側の配管１８はミツシヨンケース５
の油留めに接続されている。しかして、前記配管
１７，１８及び油路１６はメインポンプの吸込管
を形成している。 As shown in Figures 3 to 5, the clutch housing 1
A thick pipe station 15 is provided on the side wall 14 of No. 3 to protrude in the front-rear direction, and an oil passage 16 is formed in the station 15, penetrating in the front-rear direction. Main pump suction pipes 17 and 18 are connected to both ends of this oil passage 16, the front pipe 17 is connected to the main pump (not shown), and the rear pipe 18 is connected to the transmission case 5.
is connected to the oil stopper. Thus, the pipes 17, 18 and the oil passage 16 form a suction pipe of the main pump.
前記クラツチハウジング１３の側壁１４内面に
は、前記油路１６に連通する分岐路１９が開設さ
れている。この分岐路１９に内装式ポンプ１２の
吸込管２０が直線状に接続されている。即ち、ポ
ンプ１２の吸込口の横に分岐路が開口している。 A branch passage 19 communicating with the oil passage 16 is provided on the inner surface of the side wall 14 of the clutch housing 13 . A suction pipe 20 of the internal pump 12 is connected linearly to this branch path 19. That is, a branch path opens next to the suction port of the pump 12.
またクラツチハウジング１３の側壁１４内面に
は油圧バルブ２１が取着され、内装式油圧ポンプ
１２から該バルブ２１を介して第２図に示すロー
タリバルブ２２に吐出側配管２３が付設されてい
る。このロータリバルブ２２を介して前記油圧ク
ラツチ１１に作動油が供給されるべく、従動軸８
に油路２４が形成されている。 A hydraulic valve 21 is attached to the inner surface of the side wall 14 of the clutch housing 13, and a discharge pipe 23 is connected from the internal hydraulic pump 12 through the valve 21 to a rotary valve 22 shown in FIG. In order to supply hydraulic oil to the hydraulic clutch 11 through this rotary valve 22, the driven shaft 8
An oil passage 24 is formed therein.
上記本考案の実施例によれば、メインポンプの
吸込油路１６をハウジング壁部内に設け、該油路
１６に内装式油圧ポンプ１２の吸込管２０を接続
したので、配管長さが短かくなり吸込効率が向上
する。またメインポンプ吸込回路から吸込むの
で、別途フイルタが不要となる。 According to the embodiment of the present invention, the suction oil passage 16 of the main pump is provided inside the housing wall, and the suction pipe 20 of the internal hydraulic pump 12 is connected to the oil passage 16, so that the piping length can be shortened. Improves suction efficiency. Also, since suction is taken from the main pump suction circuit, a separate filter is not required.
尚、本考案は、上記実施例に限定されるもので
はない。 Note that the present invention is not limited to the above embodiments.
（考案の効果）
本考案によれば、ハウジングケース側壁に設け
たメインポンプ用吸込油路に、分岐路を設けて、
内装式ポンプの吸込管を接続したので、吸込管の
長さが極めて短くなり、配管が簡単なものとな
る。更に、メインポンプと内装式ポンプの２つの
ポンプを有しているのに、フイルタは、メインポ
ンプ用吸込油路の１つだけで足り、コスト安にな
り、メンテナンスも簡単になる。また、ハウジン
グ側壁に設けたメインポンプ用吸込油路は、肉厚
部内部に設けられているので、ハウジングの強度
を低下させることがない。(Effects of the invention) According to the invention, a branch passage is provided in the main pump suction oil passage provided on the side wall of the housing case.
Since the suction pipe of the internal pump is connected, the length of the suction pipe becomes extremely short and the piping becomes simple. Furthermore, although there are two pumps, a main pump and an internal pump, only one filter is required for the suction oil passage for the main pump, resulting in lower costs and easier maintenance. Further, since the main pump suction oil passage provided on the side wall of the housing is provided inside the thick wall portion, the strength of the housing is not reduced.
第１図は従来の配管系統図、第２図は本考案の
実施例を示すミツシヨンケースの断面図、第３図
はクラツチハウジングの斜視図、第４図は同正面
図、第５図は同断面図である。
５……ミツシヨンケース、１２……内装式油圧
ポンプ、１３……クラツチハウジング、１６……
油路、１７，１８……メイン配管、２０……吸込
管。
Fig. 1 is a conventional piping system diagram, Fig. 2 is a sectional view of a transmission case showing an embodiment of the present invention, Fig. 3 is a perspective view of the clutch housing, Fig. 4 is a front view thereof, and Fig. 5 is a sectional view of a transmission case showing an embodiment of the present invention. It is the same sectional view. 5...Mission case, 12...Internal hydraulic pump, 13...Clutch housing, 16...
Oil passage, 17, 18...main piping, 20...suction pipe.
Claims (1)
後方向中途部に貯溜された油を、車体前方のエン
ジン近傍に設けられたメインポンプへ供給する吸
込油路を有し、かつ前記ハウジングケース内に内
装式ポンプを有するトラクタにおいて、ハウジン
グケースの側壁肉厚内部に前後方向に沿つて前記
メインポンプ用吸込油路が形成され、前記側壁内
面には、前記吸込油路に連通する分岐路が開口
し、該開口部に前記内装式ポンプの吸込管が接続
されていることを特徴とするトラクタの内装式ポ
ンプの油吸込構造。 The tractor has a suction oil passage for supplying oil stored in the middle part in the longitudinal direction of the housing case that constitutes the tractor body to a main pump provided near the engine at the front of the vehicle body, and has an internal pump inside the housing case. In the tractor, the suction oil passage for the main pump is formed along the front-rear direction inside a thick side wall of the housing case, and a branch passage communicating with the suction oil passage is opened on the inner surface of the side wall, and the opening An oil suction structure for an internal pump for a tractor, characterized in that a suction pipe of the internal pump is connected to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983048771U JPS59151826U (en) | 1983-03-31 | 1983-03-31 | Oil suction structure of tractor internal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983048771U JPS59151826U (en) | 1983-03-31 | 1983-03-31 | Oil suction structure of tractor internal pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59151826U JPS59151826U (en) | 1984-10-11 |
| JPS6343143Y2 true JPS6343143Y2 (en) | 1988-11-10 |
Family
ID=30179292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983048771U Granted JPS59151826U (en) | 1983-03-31 | 1983-03-31 | Oil suction structure of tractor internal pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59151826U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5839320B2 (en) * | 1976-06-07 | 1983-08-29 | 日新ハイボルテ−ジ株式会社 | Irradiation window cooling method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54100334U (en) * | 1977-12-26 | 1979-07-14 | ||
| JPS57115445U (en) * | 1981-01-10 | 1982-07-17 | ||
| JPS5839320U (en) * | 1981-09-08 | 1983-03-15 | ヤンマーディーゼル株式会社 | Agricultural tractor hydraulic system |
-
1983
- 1983-03-31 JP JP1983048771U patent/JPS59151826U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5839320B2 (en) * | 1976-06-07 | 1983-08-29 | 日新ハイボルテ−ジ株式会社 | Irradiation window cooling method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59151826U (en) | 1984-10-11 |
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