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A platform for research: civil engineering, architecture and urbanism
Sound insulation engine hood and sound insulation method
The invention discloses a sound insulation engine hood which comprises an outer hood plate, an inner plate and a sound insulation body, and the sound insulation body is arranged between the outer hoodplate and the inner plate; wherein a plurality of hole cavities are formed in the sound insulation body, sound insulation plates are arranged in the hole cavities, and inner air holes and outer air holes which correspond to the hole cavities in position are formed in the outer cover plate and the inner plate respectively, so that the noise of an engine can be effectively isolated, and the workingnoise of engineering machinery is reduced.
本发明公开了一种隔声发动机机罩，包括外罩板、内板以及隔声本体，所述隔声本体设置于外罩板和内板之间；所述隔声本体上设有若干孔腔，在孔腔内设有隔声板，在外罩板和内板上分别设有位置与孔腔对应的内气孔和外气孔，本发明能够实现对发动机噪声的有效隔绝，降低工程机械的工作噪声。
Sound insulation engine hood and sound insulation method
The invention discloses a sound insulation engine hood which comprises an outer hood plate, an inner plate and a sound insulation body, and the sound insulation body is arranged between the outer hoodplate and the inner plate; wherein a plurality of hole cavities are formed in the sound insulation body, sound insulation plates are arranged in the hole cavities, and inner air holes and outer air holes which correspond to the hole cavities in position are formed in the outer cover plate and the inner plate respectively, so that the noise of an engine can be effectively isolated, and the workingnoise of engineering machinery is reduced.
本发明公开了一种隔声发动机机罩，包括外罩板、内板以及隔声本体，所述隔声本体设置于外罩板和内板之间；所述隔声本体上设有若干孔腔，在孔腔内设有隔声板，在外罩板和内板上分别设有位置与孔腔对应的内气孔和外气孔，本发明能够实现对发动机噪声的有效隔绝，降低工程机械的工作噪声。
Sound insulation engine hood and sound insulation method
一种隔声发动机机罩及隔声方法
ZHANG DA (author) / SU JUNSHOU (author) / WANG SANLONG (author)
2021-03-19
Patent
Electronic Resource
Chinese
IPC:
B62D
MOTOR VEHICLES
,
Motorfahrzeuge
/
B60R
Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen
,
VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
/
E02F
Baggern
,
DREDGING
/
F02B
INTERNAL-COMBUSTION PISTON ENGINES
,
Brennkraftmaschinen mit innerer Verbrennung mit Verdrängerwirkung
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