Large-stroke ceiling microphone lifter

The invention discloses a large-stroke ceiling microphone lifter which comprises a lifting hook piece, a shell, a baffle structure and a limiting structure. The upper end of the shell and a top plateare assembled through screws; the lower end of the shell and a bottom plate are assembled through scr...

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Bibliographic Details
Main Author SHAO YONGQIANG
Format Patent
LanguageChinese
English
Published 19.01.2021
Subjects
CAPSTANS
DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
HAULING
HOISTING
HOISTS
LIFTING
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PERFORMING OPERATIONS
PUBLIC ADDRESS SYSTEMS
TACKLES, e.g. PULLEY BLOCKS
TRANSPORTING
WINCHES
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Summary:The invention discloses a large-stroke ceiling microphone lifter which comprises a lifting hook piece, a shell, a baffle structure and a limiting structure. The upper end of the shell and a top plateare assembled through screws; the lower end of the shell and a bottom plate are assembled through screws; meanwhile, a fixing plate is fixedly installed on the bottom plate; a professional socket is installed on the fixing plate; a control mainboard is arranged on the upper side of the professional socket, and is installed on the fixing plate through screws; the bottom of the bottom plate is connected with a microphone device through a microphone wire; a control box body is installed on the outer side wall of the shell; a synchronous motor and a limiting motor are installed in the control boxbody; meanwhile, a reel disc is movably connected to the interior of the shell; and a bull gear is fixedly connected to the reel disc. According to the large-stroke ceiling microphone lifter, the synchronous motor drives the b
Bibliography:Application Number: CN202011239687