JPH01147735U - - Google Patents
Info
- Publication number
- JPH01147735U JPH01147735U JP4062488U JP4062488U JPH01147735U JP H01147735 U JPH01147735 U JP H01147735U JP 4062488 U JP4062488 U JP 4062488U JP 4062488 U JP4062488 U JP 4062488U JP H01147735 U JPH01147735 U JP H01147735U
- Authority
- JP
- Japan
- Prior art keywords
- hst
- short circuit
- pressure side
- seat
- circuit
- 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
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000002706 hydrostatic effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
- Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
- Control Of Fluid Gearings (AREA)
Description
図面は本考案に係るＨＳＴ車輌の走行制御装置
の一実施例を示すものであつて、第１図はオイル
の循環回路と短絡回路の関係を示す回路図、第２
図は本考案を装備した農用トラクタの全体側面図
である。
図中、１は静油圧トランスミツシヨン（ＨＳＴ
）、２はエンジン、４は油圧ポンプ、５は油圧モ
ータ、７は座席、８は油圧バルブ、Ａはオイルの
循環回路、Ｂは短絡回路。
The drawings show an embodiment of the HST vehicle running control device according to the present invention, in which FIG. 1 is a circuit diagram showing the relationship between an oil circulation circuit and a short circuit, and FIG.
The figure is an overall side view of an agricultural tractor equipped with the present invention. In the figure, 1 is a hydrostatic transmission (HST).
), 2 is the engine, 4 is the hydraulic pump, 5 is the hydraulic motor, 7 is the seat, 8 is the hydraulic valve, A is the oil circulation circuit, and B is the short circuit.
Claims (1)
段変速機構を備えたＨＳＴ車輌において、油圧ポ
ンプと油圧モータ間を結ぶ循環回路の高圧側と低
圧側間に常時開に弾発付勢させた短絡回路を座席
下方を迂回させて設けると共に、運転者の着座に
よる座席の沈みにより前記短絡回路が閉となるよ
うに構成したことを特徴とするＨＳＴ車輌の走行
制御装置。 In HST vehicles equipped with a continuously variable transmission mechanism using hydrostatic transmission (HST), a short circuit that is elastically energized at all times is connected between the high pressure side and the low pressure side of the circulation circuit that connects the hydraulic pump and the hydraulic motor. A travel control device for an HST vehicle, characterized in that the short circuit is provided in a detour below the seat, and the short circuit is closed when the seat sinks when a driver is seated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4062488U JPH01147735U (en) | 1988-03-28 | 1988-03-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4062488U JPH01147735U (en) | 1988-03-28 | 1988-03-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01147735U true JPH01147735U (en) | 1989-10-12 |
Family
ID=31267093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4062488U Pending JPH01147735U (en) | 1988-03-28 | 1988-03-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01147735U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010236648A (en) * | 2009-03-31 | 2010-10-21 | Kyb Engineering & Service Co Ltd | Working machine and hydraulic circuit of the same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6010913U (en) * | 1983-07-01 | 1985-01-25 | 有限会社 共立木工所 | resin nails |
-
1988
- 1988-03-28 JP JP4062488U patent/JPH01147735U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6010913U (en) * | 1983-07-01 | 1985-01-25 | 有限会社 共立木工所 | resin nails |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010236648A (en) * | 2009-03-31 | 2010-10-21 | Kyb Engineering & Service Co Ltd | Working machine and hydraulic circuit of the same |
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