Microphone installation device for whole vehicle noise test

• Main Authors: HANG YAPENG, LI WEIJIAN, ZHAO MING
• Format: Patent
• Language: Chinese; English
• Published: 03.12.2021
• Subjects: BLASTING; 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; MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC ORINFRASONIC WAVES; MEASURING; MECHANICAL ENGINEERING; PHYSICS; STANDS OR SUPPORTS; TESTING; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model discloses a microphone installation device for a whole vehicle noise test, which comprises a base, the base is connected with a first connecting rod, the first connecting rod is connected with a first connecting mechanism or a second connecting mechanism, and the first connecting mechanism or the second connecting mechanism is connected with a first ball head fastener; the first connecting mechanism comprises a first disc-type fastener, a through hole and a first threaded hole are formed in the first disc-type fastener, the first connecting rod is arranged in the through hole in a sliding mode, the first disc-type fastener is in threaded connection with a first disc-type bolt perpendicular to the first connecting rod, one end of the first disc-type bolt abuts against the first connecting rod, and the other end of the first disc-type bolt abuts against the second connecting rod. A second connecting rod is in threaded connection with the interior of the first threaded hole, one end of the seco