JPH01160143U - - Google Patents
Info
- Publication number
- JPH01160143U JPH01160143U JP5674588U JP5674588U JPH01160143U JP H01160143 U JPH01160143 U JP H01160143U JP 5674588 U JP5674588 U JP 5674588U JP 5674588 U JP5674588 U JP 5674588U JP H01160143 U JPH01160143 U JP H01160143U
- Authority
- JP
- Japan
- Prior art keywords
- pumps
- discharge
- oil
- hydraulic
- discharge 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.)
- Pending
Links
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 1
- 230000000994 depressogenic effect Effects 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Component Parts Of Construction Machinery (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Description
第１図は本考案一実施例の構成説明図、第２図
はアンロード解除スイツチの他の実施態様の説明
図、第３図は出力トルク特性図である。
１，２，３は第１、第２、第３の操作弁組立体
、１３，１４，１５はポンプ、３０はアンロード
弁、３３はアンロードスイツチ、３５はアンロー
ド解除スイツチ、３６はブレーキペダル。
FIG. 1 is an explanatory diagram of the configuration of one embodiment of the present invention, FIG. 2 is an explanatory diagram of another embodiment of the unload release switch, and FIG. 3 is an output torque characteristic diagram. 1, 2, and 3 are first, second, and third operation valve assemblies, 13, 14, and 15 are pumps, 30 is an unload valve, 33 is an unload switch, 35 is an unload release switch, and 36 is a brake. pedal.
Claims (1)
に合流して１つの油圧モータに給排する複数の操
作弁を含む操作弁組立体とを有する油圧系統を複
数備えたホイール式建設車両において、１つ以上
の油圧系統のポンプの吐出回路に、ホイールブレ
ーキペダルを踏み込むことにより切換作動してポ
ンプの吐出油を操作弁組立体を経由することなく
ドレン回路に流すアンロード弁を設けたことを特
徴とする車両のエンジン停止防止装置。 In a wheeled construction vehicle equipped with a plurality of hydraulic systems including a plurality of pumps and a plurality of control valve assemblies including a plurality of control valves that selectively combine discharged oil from these pumps to supply and discharge oil to one hydraulic motor, The discharge circuit of one or more pumps in the hydraulic system is equipped with an unload valve that is switched when the wheel brake pedal is depressed to allow the discharge oil of the pump to flow into the drain circuit without passing through the operating valve assembly. An engine stop prevention device for vehicles with
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5674588U JPH01160143U (en) | 1988-04-28 | 1988-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5674588U JPH01160143U (en) | 1988-04-28 | 1988-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01160143U true JPH01160143U (en) | 1989-11-07 |
Family
ID=31282613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5674588U Pending JPH01160143U (en) | 1988-04-28 | 1988-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01160143U (en) |
-
1988
- 1988-04-28 JP JP5674588U patent/JPH01160143U/ja active Pending
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