Friction torque measurement apparatus of horizontal bearing

Abstract

The invention relates to a friction torque measurement apparatus of a horizontal bearing. A velocity sensor is arranged on a main shaft and a rotating speed is read by a digital indicator. An input terminal of a data collection card is connected with a force transducer by a strain gauge; the data collection card is installed in a main board of a PC machine; and the main board is connected with a display. The main shaft is arranged horizontally; one end of the main shaft is provided with a bearing replacing sleeve; and the other end of the main shaft is connected with a motor main shaft. A tested bearing is arranged in the bearing replacing sleeve; and an inner ring is provided with a force transmission rotary table that is connected with the force transducer by a dowel bar. A load output bulb of an axial loading apparatus is contacted with a vertical point of a table surface of the force transmission rotary table; and a load output terminal of a radial loading apparatus and an outer peripheral surface of the bearing replacing sleeve are mutually compacted and rolled. According to the invention, the apparatus employs a horizontal structure; and loading at two directions can be realized simultaneously. Therefore, an actual working condition of a bearing can be simulated approximately; and a problem of main shaft offset load vibration due to a belt drive mode of the main shaft can be solved. Besides, the apparatus has advantages of simple structure and strong practicality.

Description

technical field [0001] The invention relates to a measuring instrument for friction torque of a bearing, in particular to a horizontal bearing friction torque measuring device. Background technique [0002] Bearing friction torque is divided into starting friction torque and dynamic friction torque. The starting friction torque refers to the resistance torque that the bearing has to overcome from stationary to rotating. Therefore, the quality of the dynamic friction torque of the bearing represents the quality of the dynamic performance of the bearing and the quality of the bearing to a large extent. [0003] The research purpose of bearing friction torque measurement technology is to study how to reasonably evaluate and accurately measure the friction performance of bearings, and provide a reliable basis for improving bearing design parameters, improving processing technology and analyzing the influencing factors of bearing friction torque, thereby improving bearing quality...

AI Technical Summary

Problems solved by technology

[0008] In order to solve the limitations of existing bearing friction torque measurement devices such as use and small measurement range, the present invention provides a horizontal bearing friction torque measurement device

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