JPH02135766U - - Google Patents
Info
- Publication number
- JPH02135766U JPH02135766U JP4542889U JP4542889U JPH02135766U JP H02135766 U JPH02135766 U JP H02135766U JP 4542889 U JP4542889 U JP 4542889U JP 4542889 U JP4542889 U JP 4542889U JP H02135766 U JPH02135766 U JP H02135766U
- Authority
- JP
- Japan
- Prior art keywords
- power extraction
- hydraulic pump
- hst
- short circuit
- variable displacement
- 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.)
- Pending
Links
- 238000000605 extraction Methods 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Control Of Fluid Gearings (AREA)
Description
第１図は本考案のＨＳＴ走行車輌の動力取出機
構のスケルトン図、第２図は変速レバー６と切換
バルブＶとクラツチ機構１１の連動機構を示す図
面、第３図は切換バルブＶの拡大断面図、第４図
・第５図は変速レバー６の変速ガイド溝を示す図
面、第６図は本考案のＨＳＴ走行車輌の動力取出
機構による動力取出モータ軸３の回転数の変化を
示す図面である。
Ａ……閉回路、Ｂ……動力取出用油圧モータ、
Ｐ……可変容量油圧ポンプ、Ｍ……油圧モータ、
Ｖ……切換バルブ、Ｓ……短絡回路、１……油圧
ポンプ軸、２……油圧モータ軸、３……動力取出
モータ軸。
Fig. 1 is a skeleton diagram of the power extraction mechanism of the HST vehicle of the present invention, Fig. 2 is a drawing showing the interlocking mechanism of the gear shift lever 6, switching valve V, and clutch mechanism 11, and Fig. 3 is an enlarged cross-section of the switching valve V. Figures 4 and 5 are diagrams showing the gear shift guide groove of the gear shift lever 6, and Figure 6 is a diagram showing changes in the rotational speed of the power extraction motor shaft 3 by the power extraction mechanism of the HST running vehicle of the present invention. be. A...Closed circuit, B...Hydraulic motor for power extraction,
P...variable displacement hydraulic pump, M...hydraulic motor,
V...Switching valve, S...Short circuit, 1...Hydraulic pump shaft, 2...Hydraulic motor shaft, 3...Power take-off motor shaft.
Claims (1)
りＨＳＴ式変速装置Ｈを構成し、該ＨＳＴ式変速
装置Ｈの閉回路Ａに動力取出用油圧モータＢを直
列に接続すると共に、動力取出用油圧モータＢの
吸入側と吐出側の油路を短絡する回路Ｓを設け、
該短絡回路Ｓに、可変容量油圧ポンプＰの斜板を
機体後進方向に切換えた際に短絡する短絡回路Ｓ
を設け、該短絡回路Ｓを連通させる切換バルブＶ
を配置したことを特徴とするＨＳＴ走行車輌の動
力取出機構。 (2) 請求項(1)記載の切換バルブＶを、機体前進
方向での高圧側油路の圧力が規定以上に達した際
に短絡回路Ｓを連通可能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。 (3) 請求項(1)記載の可変容量油圧ポンプＰの油
圧ポンプ軸１と、動力取出用油圧モータＢの動力
取出モータ軸３とを直結可能とするクラツチ機構
１１を設け、可変容量油圧ポンプＰの斜板の回動
初期において該クラツチ機構１１を接続可能とし
、該クラツチ機構１１の接続と同時に切換バルブ
Ｖにより短絡回路Ｓを連通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) A variable displacement hydraulic pump P and a hydraulic motor M constitute an HST type transmission H, and a power extraction hydraulic motor B is connected in series to a closed circuit A of the HST type transmission H. A circuit S is provided to connect and short-circuit the oil passages on the suction side and discharge side of the power extraction hydraulic motor B,
The short circuit S is connected to the short circuit S that shorts when the swash plate of the variable displacement hydraulic pump P is switched to the backward direction of the aircraft.
and a switching valve V that connects the short circuit S.
A power take-off mechanism for an HST vehicle, characterized by having a. (2) The switching valve V according to claim (1) is characterized in that it is configured to enable communication with the short circuit S when the pressure in the high pressure side oil passage in the forward direction of the aircraft reaches a specified value or higher. Power extraction mechanism for HST vehicles. (3) The variable displacement hydraulic pump is provided with a clutch mechanism 11 that allows the hydraulic pump shaft 1 of the variable displacement hydraulic pump P according to claim (1) to be directly connected to the power extraction motor shaft 3 of the power extraction hydraulic motor B. Power extraction for an HST running vehicle, characterized in that the clutch mechanism 11 can be connected at the initial stage of rotation of the swash plate P, and the switching valve V connects the short circuit S at the same time as the clutch mechanism 11 is connected. mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4542889U JPH02135766U (en) | 1989-04-18 | 1989-04-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4542889U JPH02135766U (en) | 1989-04-18 | 1989-04-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02135766U true JPH02135766U (en) | 1990-11-13 |
Family
ID=31559594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4542889U Pending JPH02135766U (en) | 1989-04-18 | 1989-04-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02135766U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003503656A (en) * | 1999-07-01 | 2003-01-28 | マネスマン レクスロート アーゲー | Static pressure drive |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS574277U (en) * | 1980-06-10 | 1982-01-09 | ||
| JPH0198754A (en) * | 1987-10-13 | 1989-04-17 | Honda Motor Co Ltd | Clutch control method for continuously variable transmission for vehicle |
-
1989
- 1989-04-18 JP JP4542889U patent/JPH02135766U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS574277U (en) * | 1980-06-10 | 1982-01-09 | ||
| JPH0198754A (en) * | 1987-10-13 | 1989-04-17 | Honda Motor Co Ltd | Clutch control method for continuously variable transmission for vehicle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003503656A (en) * | 1999-07-01 | 2003-01-28 | マネスマン レクスロート アーゲー | Static pressure drive |
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