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ENGINE TEST STAND FOR VIBROACOUSTICAL DIESEL ENGINES

机译：振动声柴油发动机的发动机测试台

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摘要

The invention relates to the monitoring equipment, in particular to engine test bench for testing vibroacoustic internal combustion engine (hereinafter - DIC). The stand comprises, in particular, an acoustic anechoic chamber engine mount system at stand mounted on the stand investigated ICE stand drive elements, kinematically linking the crank shaft of the internal combustion engine to the drive shaft brake equalizer asynchronous machine stand. The distinguishing feature is that the motor stand comprises a laser device alignment axes mating shaft (drive shaft brake equalizer of the asynchronous machine and the crankshaft of the test DVS) formed as a single unit, comprising a base and a cylindrical housing with a rigidly mounted therein a laser diode, wherein , the base comprises a permanent magnet in the form of a "magnetic sucker" and set to made of a ferromagnetic material the installation site, which plane is perpendicular to the axis Bp scheniya drive shaft brake equalizer of the asynchronous machine, and the luminous beam of the laser beam is directed to the center (rotation axis) of the end portion of said drive shaft; surface mounting pad includes a calibration label for periodic calibration adjustment module location coordinates of the laser alignment device. The variants of embodiment of the stand. The practical implementation of the proposed motor stand for ICE vibro-acoustic tests would ultimately improve the accuracy and objectivity of the results of bench ICE vibro-acoustic research.
机译：本发明涉及监控设备，尤其涉及一种用于测试振动声内燃机的发动机测试台。该支架尤其包括安装在该支架上的声学消声室发动机安装系统，该系统安装在被研究的ICE支架驱动元件上，该系统在运动学上将内燃机的曲轴连接到驱动轴制动均衡器异步机座。区别在于，电机支架包括一个激光装置对准轴配合轴（异步机的驱动轴制动均衡器和测试DVS的曲轴），形成为一个单元，包括底座和刚性安装的圆柱形外壳其中有一个激光二极管，其中，基座包括呈“磁吸盘”形式的永磁体，并设置成由铁磁材料制成的安装位置，该平面垂直于异步驱动器的轴Bp scheniya驱动轴制动均衡器。激光束的光束被导向所述驱动轴的端部的中心（旋转轴）。表面安装垫包括校准标签，用于定期校准激光对准设备的模块位置坐标。支架实施例的变型。提议的用于ICE振动声测试的电机支架的实际实施最终将提高台式ICE振动声研究结果的准确性和客观性。

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