JPH02135751U - - Google Patents
Info
- Publication number
- JPH02135751U JPH02135751U JP4542989U JP4542989U JPH02135751U JP H02135751 U JPH02135751 U JP H02135751U JP 4542989 U JP4542989 U JP 4542989U JP 4542989 U JP4542989 U JP 4542989U JP H02135751 U JPH02135751 U JP H02135751U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- shaft
- clutch device
- clutch
- hydraulic motor
- 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 3
- 238000000605 extraction Methods 0.000 claims 5
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Arrangement And Driving Of Transmission Devices (AREA)
Description
第１図は油圧ポンプ軸１上にポンプ軸第１クラ
ツチ３を油圧クラツチとして配置した実施例のス
ケルトン図、第２図は同じくポンプ軸第１クラツ
チ３とポンプ軸第２クラツチ４の部分のミツシヨ
ンケースの後面断面図、第３図は第１図・第２図
によるＰＴＯ軸９の回転数の変化を示す図面、第
４図はポンプ軸第１クラツチ３を一方向クラツチ
とした実施例のスケルトン図、第５図は第４図に
おけるＰＴＯ軸９の回転変化を示す図面である。
Ｈ……ＨＳＴ式変速装置、Ａ……閉回路、Ｃ…
…コントローラ、Ｐ……油圧ポンプ、Ｍ……油圧
モーター、１……油圧ポンプ軸、２……油圧モー
ター軸、３……ポンプ軸第１クラツチ、４……ポ
ンプ軸第２クラツチ、５……モータ軸クラツチ、
６……トルクセンサ、７……圧力センサ、９……
ＰＴＯ軸。
FIG. 1 is a skeleton diagram of an embodiment in which a pump shaft first clutch 3 is arranged as a hydraulic clutch on a hydraulic pump shaft 1, and FIG. 3 is a diagram showing changes in the rotational speed of the PTO shaft 9 according to FIGS. 1 and 2, and FIG. 4 is a diagram showing an embodiment in which the pump shaft first clutch 3 is a one-way clutch. The skeleton diagram, FIG. 5, is a diagram showing rotational changes of the PTO shaft 9 in FIG. 4. H...HST type transmission, A...Closed circuit, C...
... Controller, P ... Hydraulic pump, M ... Hydraulic motor, 1 ... Hydraulic pump shaft, 2 ... Hydraulic motor shaft, 3 ... Pump shaft first clutch, 4 ... Pump shaft second clutch, 5 ... motor shaft clutch,
6...Torque sensor, 7...Pressure sensor, 9...
PTO axis.
Claims (1)
接続したＨＳＴ式変速装置Ｈにおいて、油圧モー
ター軸２により走行部を駆動すると共に、該油圧
モーター軸２と油圧ポンプ軸１とにクラツチを介
装してＰＴＯ軸９に連動連結し、該クラツチを油
圧クラツチ装置とし、該油圧クラツチ装置の油圧
源を前記ＨＳＴ式変速装置Ｈの閉回路Ａの機体前
進側高圧油路より導入したことを特徴とするＨＳ
Ｔ走行車輌の動力取出機構。 (2) 請求項(1)において、油圧ポンプ軸１とＰＴ
Ｏ軸９とを連結するクラツチ装置を一方向クラツ
チにより構成したことを特徴とするＨＳＴ走行車
輌の動力取出機構。 (3) 請求項(1)または(2)において、油圧ポンプ
軸１及び油圧モーター軸２とＰＴＯ軸９とを連結
するクラツチ装置よりも、高速の他のクラツチ装
置を介したことを特徴とするＨＳＴ走行車輌の動
力取出機構。 (4) 請求項(3)において、油圧モーター軸２側に
回転数検出器８を設け、油圧ポンプ軸１のクラツ
チ装置が、油圧モーター軸２のクラツチ装置に切
り替わる第１設定回転数Ｘを設定すると共に、前
記第１設定回転数Ｘよりも高い第２設定回転数Ｙ
を設け、該第２設定回転数Ｙに至ると油圧モータ
ー軸２のクラツチ装置から、油圧ポンプ軸１の他
のクラツチ装置に切り替わるべく構成したことを
特徴とするＨＳＴ走行車輌の動力取出機構。 (5) 請求項(4)において、クラツチから作業機に
至る経路中にトルクセンサ６を設け、またはＨＳ
Ｔ前進側の高圧油路中に圧力センサ７を設け、Ｐ
ＴＯ軸９に掛かる負荷を検出し、第１設定負荷ｍ
を越えると、油圧モーター軸２とＰＴＯ軸９の接
合を、油圧ポンプ軸１とＰＴＯ軸９の接合に切り
換えることを特徴とするＨＳＴ走行車輌の動力取
出機構。 (6) 請求項(5)の第１設定負荷ｍよりも大なる第
２設定負荷ｎを設け、該第２設定負荷ｎを越えた
場合には、全油圧クラツチを断状態とすべく構成
したことを特徴とするＨＳＴ走行車輌の動力取出
機構。[Scope of Claim for Utility Model Registration] (1) In an HST type transmission H in which a hydraulic pump P and a hydraulic motor M are connected in a closed circuit, the traveling section is driven by a hydraulic motor shaft 2, and the hydraulic motor shaft 2 and hydraulic A clutch is interposed between the pump shaft 1 and the PTO shaft 9, and the clutch is used as a hydraulic clutch device, and the hydraulic power source of the hydraulic clutch device is connected to the high pressure on the forward side of the aircraft in the closed circuit A of the HST type transmission H. HS characterized by being introduced from the oil route
Power extraction mechanism for T-travel vehicles. (2) In claim (1), the hydraulic pump shaft 1 and the PT
A power extraction mechanism for an HST vehicle, characterized in that a clutch device connecting an O-shaft 9 is a one-way clutch. (3) In claim (1) or (2), the clutch device connecting the hydraulic pump shaft 1, the hydraulic motor shaft 2, and the PTO shaft 9 is connected via another clutch device that is faster than the clutch device. Power extraction mechanism for HST vehicles. (4) In claim (3), a rotation speed detector 8 is provided on the side of the hydraulic motor shaft 2 to set a first set rotation speed X at which the clutch device of the hydraulic pump shaft 1 is switched to the clutch device of the hydraulic motor shaft 2. At the same time, a second set rotation speed Y higher than the first set rotation speed X
A power extraction mechanism for an HST vehicle, characterized in that the clutch device of the hydraulic motor shaft 2 is switched to the other clutch device of the hydraulic pump shaft 1 when the second set rotation speed Y is reached. (5) In claim (4), the torque sensor 6 is provided in the path from the clutch to the work machine, or the HS
A pressure sensor 7 is installed in the high pressure oil passage on the T forward side, and P
Detects the load applied to the TO axis 9 and sets the first set load m
A power take-off mechanism for an HST vehicle, characterized in that when it exceeds , the connection between the hydraulic motor shaft 2 and the PTO shaft 9 is switched to the connection between the hydraulic pump shaft 1 and the PTO shaft 9. (6) A second set load n greater than the first set load m of claim (5) is provided, and the entire hydraulic clutch is configured to be disengaged when the second set load n is exceeded. A power extraction mechanism for an HST running vehicle characterized by the following.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4542989U JP2501060Y2 (en) | 1989-04-18 | 1989-04-18 | Power take-off mechanism for traveling vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4542989U JP2501060Y2 (en) | 1989-04-18 | 1989-04-18 | Power take-off mechanism for traveling vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02135751U true JPH02135751U (en) | 1990-11-13 |
| JP2501060Y2 JP2501060Y2 (en) | 1996-06-12 |
Family
ID=31559596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4542989U Expired - Lifetime JP2501060Y2 (en) | 1989-04-18 | 1989-04-18 | Power take-off mechanism for traveling vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2501060Y2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011257007A (en) * | 2011-08-08 | 2011-12-22 | Yanmar Co Ltd | Working vehicle |
| JP2013019542A (en) * | 2012-09-24 | 2013-01-31 | Yanmar Co Ltd | Working vehicle |
| JP2013177985A (en) * | 2013-06-28 | 2013-09-09 | Yanmar Co Ltd | Output control method of farming vehicle |
| JP2015090080A (en) * | 2013-11-05 | 2015-05-11 | キャタピラー エス エー アール エル | Working machine |
-
1989
- 1989-04-18 JP JP4542989U patent/JP2501060Y2/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011257007A (en) * | 2011-08-08 | 2011-12-22 | Yanmar Co Ltd | Working vehicle |
| JP2013019542A (en) * | 2012-09-24 | 2013-01-31 | Yanmar Co Ltd | Working vehicle |
| JP2013177985A (en) * | 2013-06-28 | 2013-09-09 | Yanmar Co Ltd | Output control method of farming vehicle |
| JP2015090080A (en) * | 2013-11-05 | 2015-05-11 | キャタピラー エス エー アール エル | Working machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2501060Y2 (en) | 1996-06-12 |
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