Sound emission device for construction site monitoring

The invention discloses a sound emitting device for construction site monitoring, which comprises a sound emitting device body, a bottom plate, a limiting column, a connecting square pipe, a rotating shaft, a rotating rod, a side plate, a rotating motor, a first connecting gear, a second connecting...

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Bibliographische Detailangaben
Hauptverfasser:	LI QIN, LI JIE, YIN WEIDONG, GUAN HAILI, PENG YIFEI, YAN YILIANG, ZHANG WEN, YOU YIJIE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY ENGINEERING ELEMENTS AND UNITS FRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES ORAPPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUSPROVIDED FOR ELSEWHERE GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS MECHANICAL ENGINEERING PUBLIC ADDRESS SYSTEMS STANDS OR SUPPORTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The invention discloses a sound emitting device for construction site monitoring, which comprises a sound emitting device body, a bottom plate, a limiting column, a connecting square pipe, a rotating shaft, a rotating rod, a side plate, a rotating motor, a first connecting gear, a second connecting gear, a U-shaped plate, a lifting plate, a fixed column, a pitching adjusting motor, a limiting plate, a spring and a lifting column, a fastening bolt is connected to the square connecting pipe in a spiral fit mode, meanwhile, a base is fixedly connected to the top end of the square connecting pipe, and a mounting box is fixedly connected to the top end of the base. According to the device, the clamping piece arranged on the first positioning block is connected to the clamping groove formed in the second positioning block in a clamped mode, and meanwhile the clamping block is connected to the clamping groove formed in the bottom plate in a clamped mode, so that the sound generator body is fixed, the existing fixed