CONSTRUCTION MACHINE

To provide a construction machine capable of supplying sufficient amount of cooling air to a plurality of heat exchangers arranged in parallel while maintaining a simple structure of each frame of a heat exchange device.SOLUTION: A heat exchange device 18 mounted in a wheel loader 1 includes a radia...

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Bibliographische Detailangaben
Hauptverfasser:	TSUTSUMI RYUSUKE, NAKATANI YASUYUKI, KOTAKA TOSHIO, ABIKO YUKI, ISHII TAKASHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL COOLING OF INTERNAL-COMBUSTION ENGINES COOLING OF MACHINES OR ENGINES IN GENERAL DREDGING ENGINE PLANTS IN GENERAL FIXED CONSTRUCTIONS FOUNDATIONS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS HYDRAULIC ENGINEERING INSTRUMENTATION OR DASHBOARDS FOR VEHICLES INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS SOIL SHIFTING STEAM ENGINES TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	To provide a construction machine capable of supplying sufficient amount of cooling air to a plurality of heat exchangers arranged in parallel while maintaining a simple structure of each frame of a heat exchange device.SOLUTION: A heat exchange device 18 mounted in a wheel loader 1 includes a radiator 23 (first heat exchanger) and an intercooler 25 (second heat exchanger), which are arranged on a downstream side in a flow direction of cooling air supplied from a cooling fan 14. The radiator 23 and the intercooler 25 are arranged in parallel so as to form a step between surfaces on a side opposed to the cooling fan 14 and a seal member 17 for changing a route of cooling air is arranged in the step, thereby enabling movement of a portion where a back flow of cooling air is generated to the radiator 23 side by the seal member 17. Therefore, since negative pressure is reduced in the intercooler 25, the back flow of temperature-rising cooling air can be suppressed.SELECTED DRAWING: Figure 6 【課題】熱交換装置のフレームの簡素な構造を維持しつつ、並列配置された複数の熱交換器に十分な量の冷却風を供給することができる建設機械を提供する。【解決手段】ホイールローダ１に搭載される熱交換装置１８は、冷却ファン１４から供給される冷却風の流れ方向の下流側に配置されたラジエータ２３（第１の熱交換器）とインタークーラ２５（第２の熱交換器）とを含んでおり、これらラジエータ２３とインタークーラ２５が冷却ファン１４に対向する側の面間に段差ができるように並列配置されていると共に、この段差に冷却風の経路を変更させるシール部材１７が配設されているため、シール部材１７によって冷却風の逆流が生じる箇所をラジエータ２３側に移動させることができる。これにより、インタークーラ２５上における負圧が減少するため、温度の上昇した冷却風の逆流を抑制することができる。【選択図】図６