JPH027127U - - Google Patents
Info
- Publication number
- JPH027127U JPH027127U JP8513088U JP8513088U JPH027127U JP H027127 U JPH027127 U JP H027127U JP 8513088 U JP8513088 U JP 8513088U JP 8513088 U JP8513088 U JP 8513088U JP H027127 U JPH027127 U JP H027127U
- Authority
- JP
- Japan
- Prior art keywords
- discharge
- wheels
- pumps
- braking
- brake
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Motor Power Transmission Devices (AREA)
Description
第１図は本考案の作業車の走行装置の一例を示
す回路図、第２図は従来の作業車の走行装置を示
す回路図である。
１……エンジン、２……両吐出ポンプ、３……
吐出容量制御手段、５……油圧モータ、７……ク
ロスオーバーロードリリーフ弁、８……車輪、９
……伝動装置、１０……ブレーキ、１１……駐車
ブレーキ、２０……検出手段、２１……切換手段
。
FIG. 1 is a circuit diagram showing an example of a traveling device for a working vehicle according to the present invention, and FIG. 2 is a circuit diagram showing a conventional traveling device for a working vehicle. 1... Engine, 2... Both discharge pumps, 3...
Discharge capacity control means, 5... Hydraulic motor, 7... Crossover load relief valve, 8... Wheels, 9
... Transmission device, 10 ... Brake, 11 ... Parking brake, 20 ... Detection means, 21 ... Switching means.
Claims (1)
出ポンプの吐出容量を制御する吐出容量制御手段
と、両吐出ポンプと閉回路で接続し伝動装置を介
して車輪を駆動する油圧モータと、閉回路の両管
路間を接続するクロスオーバーロードリリーフ弁
と、車輪を制動するブレーキと、車輪を駐車時に
制動する駐車ブレーキとを備えた作業車の走行装
置において、前記駐車ブレーキの作動を検出する
検出手段と、この検出手段からの検出信号に基づ
いて前記吐出容量制御手段の制御信号を遮断して
両吐出ポンプの吐出容量を零にする切換手段とを
設けたことを特徴とする作業車の走行装置。 Both discharge pumps are driven by an engine, a discharge capacity control means that controls the discharge capacity of both discharge pumps, a hydraulic motor that is connected to both discharge pumps in a closed circuit and drives the wheels via a transmission device, and Detection means for detecting operation of the parking brake in a traveling device for a work vehicle comprising a crossover load relief valve connecting both pipes, a brake for braking wheels, and a parking brake for braking the wheels when parking. and a switching means for cutting off the control signal of the discharge volume control means based on the detection signal from the detection means to reduce the discharge volume of both discharge pumps to zero. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8513088U JPH027127U (en) | 1988-06-29 | 1988-06-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8513088U JPH027127U (en) | 1988-06-29 | 1988-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH027127U true JPH027127U (en) | 1990-01-17 |
Family
ID=31309806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8513088U Pending JPH027127U (en) | 1988-06-29 | 1988-06-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH027127U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS609092U (en) * | 1983-06-24 | 1985-01-22 | 株式会社日立製作所 | Door mounting device for cassette loading device |
-
1988
- 1988-06-29 JP JP8513088U patent/JPH027127U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS609092U (en) * | 1983-06-24 | 1985-01-22 | 株式会社日立製作所 | Door mounting device for cassette loading device |
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