JPH0383324U - - Google Patents
Info
- Publication number
- JPH0383324U JPH0383324U JP14523489U JP14523489U JPH0383324U JP H0383324 U JPH0383324 U JP H0383324U JP 14523489 U JP14523489 U JP 14523489U JP 14523489 U JP14523489 U JP 14523489U JP H0383324 U JPH0383324 U JP H0383324U
- Authority
- JP
- Japan
- Prior art keywords
- air
- radiator
- opening
- cooling device
- louver
- 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.)
- Granted
Links
- 238000001816 cooling Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims 3
- 238000010276 construction Methods 0.000 claims 2
- 239000010720 hydraulic oil Substances 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Description
第１図はこの考案にかかる冷却装置をそなえた
油圧シヨベルの要部切欠き後面図、第２図は第１
図のＡ部におけるルーバ機構を示す拡大図、第３
図はこの考案にかかる冷却装置の構成を示すブロ
ツク図、第４図はルーバ機構の閉じた状態を示す
断面図、第５図は第４図のＢより見た一部切欠き
平面図、第６図は従来技術の冷却装置をそなえた
油圧シヨベルである。
１，１５……冷却装置、４……エンジン、５…
…冷却フアン、６……ラジエータ、１０，１０′
……ガード板、１１，１６……吸入口、１２，１
３，１７，１８……排出口、１４，１９……エン
ジン室、２０……ラジエータフイン、２１，２２
，２３……ルーバ機構、２５……ルーバ開閉用シ
リンダ、２６，２７……温度センサ、２８……風
量センサ、２９……コントローラ。
Figure 1 is a cutaway rear view of the main parts of a hydraulic excavator equipped with a cooling device according to this invention, and Figure 2 is a rear view of a hydraulic excavator equipped with a cooling device according to this invention.
Enlarged view showing the louver mechanism in part A of the figure, No. 3
The figure is a block diagram showing the configuration of the cooling device according to this invention, FIG. 4 is a sectional view showing the louver mechanism in a closed state, FIG. Figure 6 shows a hydraulic excavator equipped with a conventional cooling device. 1, 15...Cooling device, 4...Engine, 5...
...Cooling fan, 6...Radiator, 10,10'
...Guard plate, 11,16...Intake port, 12,1
3,17,18...Exhaust port, 14,19...Engine compartment, 20...Radiator fin, 21,22
, 23... Louver mechanism, 25... Louver opening/closing cylinder, 26, 27... Temperature sensor, 28... Air volume sensor, 29... Controller.
Claims (1)
のガード板にエアの吸入口と排出口を設け、冷却
フアンによりエアをラジエータフアン間およびエ
ンジン室に通すようにした建設機械において、ラ
ジエータの水温を検出する検出手段と、作動油の
温室を検出する検出手段と、ラジエータフイン間
の通過風量を検出する検出手段をそなえ、また、
エアの吸入口と排出口に開閉用アクチユエータを
そなえたルーバ機構を取付け、一方、ラジエータ
水温、作動油油温、ラジエータフイン間通過風量
に対応するルーバ開口角度群を設定し、エンジン
作動時に上記検出手段からの検出信号にもとづき
、コントローラよりルーバ機構の開閉用アクチユ
エータに対して指令信号を出力するように構成し
たことを特徴とする建設機械の冷却装置。 In construction machinery where the engine compartment is surrounded by a guard plate, the guard plate is provided with an air inlet and an air outlet, and a cooling fan is used to pass air between the radiator fans and into the engine compartment. , a detection means for detecting a greenhouse of hydraulic oil, and a detection means for detecting a flow rate of air passing between the radiator fins, and
A louver mechanism equipped with an opening/closing actuator is installed at the air inlet and outlet, and a group of louver opening angles corresponding to the radiator water temperature, hydraulic oil temperature, and air flow rate between the radiator fins is set to detect the above when the engine is running. 1. A cooling device for construction machinery, characterized in that the controller outputs a command signal to an opening/closing actuator of a louver mechanism based on a detection signal from the cooling device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14523489U JPH0748977Y2 (en) | 1989-12-15 | 1989-12-15 | Cooling equipment for construction machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14523489U JPH0748977Y2 (en) | 1989-12-15 | 1989-12-15 | Cooling equipment for construction machinery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0383324U true JPH0383324U (en) | 1991-08-23 |
| JPH0748977Y2 JPH0748977Y2 (en) | 1995-11-13 |
Family
ID=31691885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14523489U Expired - Lifetime JPH0748977Y2 (en) | 1989-12-15 | 1989-12-15 | Cooling equipment for construction machinery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0748977Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008008198A (en) * | 2006-06-29 | 2008-01-17 | Honda Motor Co Ltd | Engine driven working machine and discharged air limit device |
| JP2011208632A (en) * | 2010-03-08 | 2011-10-20 | Kobelco Contstruction Machinery Ltd | Cooling structure for construction machine |
| JP2017075482A (en) * | 2015-10-14 | 2017-04-20 | コベルコ建機株式会社 | Construction machine |
-
1989
- 1989-12-15 JP JP14523489U patent/JPH0748977Y2/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008008198A (en) * | 2006-06-29 | 2008-01-17 | Honda Motor Co Ltd | Engine driven working machine and discharged air limit device |
| JP4596479B2 (en) * | 2006-06-29 | 2010-12-08 | 本田技研工業株式会社 | Engine-driven work machine and its exhaust air restriction device |
| JP2011208632A (en) * | 2010-03-08 | 2011-10-20 | Kobelco Contstruction Machinery Ltd | Cooling structure for construction machine |
| JP2017075482A (en) * | 2015-10-14 | 2017-04-20 | コベルコ建機株式会社 | Construction machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0748977Y2 (en) | 1995-11-13 |
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