JPH03127028U - - Google Patents
Info
- Publication number
- JPH03127028U JPH03127028U JP3503190U JP3503190U JPH03127028U JP H03127028 U JPH03127028 U JP H03127028U JP 3503190 U JP3503190 U JP 3503190U JP 3503190 U JP3503190 U JP 3503190U JP H03127028 U JPH03127028 U JP H03127028U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic oil
- oil tank
- swivel table
- hydraulic
- radiator
- 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
- 238000001816 cooling Methods 0.000 claims description 7
- 239000010720 hydraulic oil Substances 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 1
Landscapes
- Component Parts Of Construction Machinery (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Description
第１図は本考案より成る油圧式掘削機の全体斜
視図。第２図は同上面図。第３図は同作動油及び
冷却風の回路図。第４図は従来技術による油圧式
掘削機の全体斜視図。第５図は同上面図。第６図
は同作動油及び冷却風の回路図。
１……作動油タンク、１ａ……冷却風取入口、
１ｂ……冷却風管路、２……燃料タンク、４……
エンジン、４ａ……ＰＴＯ、４ｂ……フアン、５
……ボンネツト、６……エンジン収容室、７……
ラジエータ、８……油圧ポンプ、９……操作弁、
１０……油圧モータ、１１……シリンダ、Ａ……
冷却風。
FIG. 1 is an overall perspective view of a hydraulic excavator according to the present invention. Figure 2 is a top view of the same. Figure 3 is a circuit diagram of the same hydraulic oil and cooling air. FIG. 4 is an overall perspective view of a conventional hydraulic excavator. FIG. 5 is a top view of the same. Figure 6 is a circuit diagram of the hydraulic oil and cooling air. 1...Hydraulic oil tank, 1a...Cooling air intake,
1b...Cooling air pipe line, 2...Fuel tank, 4...
Engine, 4a...PTO, 4b...Fan, 5
...Bonnet, 6...Engine housing compartment, 7...
Radiator, 8...hydraulic pump, 9...operation valve,
10...Hydraulic motor, 11...Cylinder, A...
cooling air.
Claims (1)
、作業機装置、運転装置を装備した油圧式掘削機
の作動油冷却装置において、旋回台上に設置した
密閉された作動油タンク内部に、該作動油タンク
内部を通過し一端部を大気に開放し、他の一端部
をラジエータ前面部に連通させた管路を設けたこ
とを特徴とする作動油タンクの冷却装置。 In a hydraulic oil cooling system for a hydraulic excavator that is equipped with a power unit, a work equipment device, and a driving device on a swivel table installed on a crawler-type traveling body, inside a sealed hydraulic oil tank installed on the swivel table, A cooling device for a hydraulic oil tank, characterized in that a conduit is provided that passes through the inside of the hydraulic oil tank, has one end open to the atmosphere, and has the other end communicated with a front surface of a radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3503190U JPH03127028U (en) | 1990-03-30 | 1990-03-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3503190U JPH03127028U (en) | 1990-03-30 | 1990-03-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03127028U true JPH03127028U (en) | 1991-12-20 |
Family
ID=31540036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3503190U Pending JPH03127028U (en) | 1990-03-30 | 1990-03-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03127028U (en) |
-
1990
- 1990-03-30 JP JP3503190U patent/JPH03127028U/ja active Pending