JPH0359422U - - Google Patents
Info
- Publication number
- JPH0359422U JPH0359422U JP12086689U JP12086689U JPH0359422U JP H0359422 U JPH0359422 U JP H0359422U JP 12086689 U JP12086689 U JP 12086689U JP 12086689 U JP12086689 U JP 12086689U JP H0359422 U JPH0359422 U JP H0359422U
- Authority
- JP
- Japan
- Prior art keywords
- engine
- machine room
- air blower
- main switch
- electric motor
- 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 3
- 238000010276 construction Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Component Parts Of Construction Machinery (AREA)
Description
第１図は本考案の実施例を示す油圧シヨベルの
正面図、第２図は第１図中の上部旋回体を拡大し
て示す一部破断の平面図、第３図は電気回路図で
ある。
１……下部走行体、２……上部旋回体、３……
機械室、４……運転室、６……カウンタウエイト
、８……エンジン、９……油圧モータ、１０……
ラジエータ、１１……冷却フアン、１４……作業
装置、１６……取入れ口、１７……送風器、１８
……バツテリ（電源）、１９……キースイツチ（
メインスイツチ）、２０……バツテリリレー、２
１……スイツチング回路、２２，２３……リレー
、２５……手動スイツチ。
Fig. 1 is a front view of a hydraulic excavator showing an embodiment of the present invention, Fig. 2 is a partially cutaway plan view showing an enlarged upper revolving structure in Fig. 1, and Fig. 3 is an electric circuit diagram. . 1... Lower traveling body, 2... Upper revolving body, 3...
Machine room, 4... Driver's cab, 6... Counterweight, 8... Engine, 9... Hydraulic motor, 10...
Radiator, 11... Cooling fan, 14... Working device, 16... Intake, 17... Air blower, 18
... Battery (power supply), 19 ... Key switch (
main switch), 20...battery relay, 2
1... Switching circuit, 22, 23... Relay, 25... Manual switch.
Claims (1)
油圧ポンプが設けられた機械室と、該機械室の前
側に位置して、該機械室内のエンジンを始動、停
止させるメインスイツチが設けられた運転室とを
備えてなる建設機械において、前記機械室には電
動モータによつて駆動され、外気による冷却風を
発生させる送風器を設け、該送風器の電動モータ
と電源との間には、前記運転室のメインスイツチ
によりエンジンを停止させたときに両者の間を接
続し、前記エンジンの作動時に接続を解除するス
イツチング回路を設けたことを特徴とする建設機
械のエンジン室冷却装置。 A machine room equipped with an engine and a hydraulic pump driven by the engine, and a driver's cab located in front of the machine room and equipped with a main switch for starting and stopping the engine in the machine room. In the construction machine, the machine room is provided with an air blower that is driven by an electric motor and generates cooling air from outside air, and between the electric motor of the air blower and the power source, the air blower of the operator's cabin is provided. 1. An engine room cooling system for construction machinery, comprising a switching circuit that connects the two when the engine is stopped by a main switch and disconnects the two when the engine is activated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12086689U JPH0359422U (en) | 1989-10-16 | 1989-10-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12086689U JPH0359422U (en) | 1989-10-16 | 1989-10-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0359422U true JPH0359422U (en) | 1991-06-12 |
Family
ID=31668919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12086689U Pending JPH0359422U (en) | 1989-10-16 | 1989-10-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0359422U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4527220B2 (en) * | 1999-12-07 | 2010-08-18 | 株式会社丸八真綿 | System futon |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5458146A (en) * | 1977-10-19 | 1979-05-10 | Hokuetsu Kogyo Co | Indoor ventilating device of sound insulation type generator |
-
1989
- 1989-10-16 JP JP12086689U patent/JPH0359422U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5458146A (en) * | 1977-10-19 | 1979-05-10 | Hokuetsu Kogyo Co | Indoor ventilating device of sound insulation type generator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4527220B2 (en) * | 1999-12-07 | 2010-08-18 | 株式会社丸八真綿 | System futon |
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