EXHAUST APPARATUS OF CONSTRUCTION MACHINE

摘要

Provided is an exhaust apparatus provided in a construction machine with an engine and an engine room, the exhaust apparatus capable of suppressing vibration of an exhaust gas pipe and securing required strength thereof. The exhaust apparatus includes a duct provided in the engine room, a fan to suck air into the engine room and discharge through the duct the air to an outside as exhaust wind, and an exhaust gas pipe guiding exhaust gas of the engine into the duct. The exhaust gas pipe includes a duct inner portion inside the duct and a duct outer portion connected to the duct inner portion outside the duct. The duct inner portion has a plurality of discharge holes to allow the exhaust gas to be injected into the duct therethrough and discharged to the outside together with the exhaust wind. The duct inner portion is connected to the duct.

主权项

1. An exhaust apparatus to be provided in a construction machine equipped with an engine and an engine room which accommodates the engine,
the exhaust apparatus comprising: a duct provided in the engine room; a fan adapted to suck air into the engine room to make the air cool the engine room and discharge through the duct the air having cooled the engine room to an outside as exhaust wind; and an exhaust gas pipe to guide exhaust gas of the engine into the duct, wherein: the exhaust gas pipe includes a duct inner portion located inside the duct and a duct outer portion connected to the duct inner portion and located outside the duct; the duct inner portion includes a plurality of discharge holes to allow the exhaust gas to be injected into the duct through the discharge holes and discharged to the outside together with the exhaust wind; and the duct inner portion is connected to the duct separately from the duct outer portion.