Automobile speed changer noise test stand

• Main Authors: JING XIAORUI, GUO HAN, ZHANG JIXIU, WANG DENGFENG, JIA JISHAO, CHEN SHUMING, CHEN JING
• Format: Patent
• Language: Chinese; English
• Published: 20.07.2016
• Subjects: MEASURING; PHYSICS; TESTING; TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR

The invention discloses an automobile speed changer noise test stand. In the prior art, versatility of a speed changer support and a sensor support is not enough. By using the test stand of the invention, the above problem is overcome. The test stand comprises the speed changer support, a sensor support device, a sensor group, a sound absorption portion, a driving motor and a load motor. The driving motor is installed on a right side of the test stand. The load motor is installed on a left side of the test stand. The speed changer support is installed on the test stand between the driving motor and the load motor. The tested speed changer is horizontally installed on the speed changer support. The driving motor is connected to a right end of an input shaft of the tested speed changer. A left end of an output shaft of the tested speed changer is connected to a right end of the load motor. A semi-anechoic room in the sound absorption portion is buckled on the test stand around the speed changer support. A sound