SU720335A1 - Apparatus for measuring vibrations of rolling-contact bearings - Google Patents

Description

(54) DEVICE FOR MEASURING VIBRATIONS OF ROLLING BEARINGS

The invention relates to the field of machine building, namely to devices for measuring vibrations of roller bearings. A device for measuring rolling bearing vibrations is known, which contains a drive working shaft for mounting a test bearing with a cantilever-mounted sensitive element made in the form of a cup with the test bearing cap, as well as vibration sensors located in two mutually perpendicular directions. planes connected to the recording apparatus 1. A disadvantage of the known device is that it allows to measure the level of vibration of bearings, caused only by defects of test subjects under the NIKES pin, without taking into account the level of vibrations, the density of landing gear in the housing without taking into account the level of vibrations. The aim of the invention is to improve the accuracy of measurements. The goal is achieved in that the glass of the sensing element is made with a longitudinal. grooves, threaded on the outer surface and a reverse cone on the side of the open end, and the lid is designed as a captive threaded sleeve screwed onto this glass with an inner conical surface corresponding to the conical surface of the cup, with a scale of bearing density applied along its perimeter. The drawing shows the device section. The device contains a drive shaft 1 for installing a test bearing 2 with a cantilever mounted sensing element 3, made in the form of a cup 4 with a cover 5, vibration sensors 6, United with the recording equipment 7. The glass 4 is made with longitudinal grooves 8 with a thread 9 and a reverse cone 10. Cap 5 vnulnena in Biine screwed onto glass 4 threaded cap with inner cone

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surface 11, corresponding to the cone level of vibrations is determined by the surface of the glass 4, with the scale of the level of vibrations of

12 density of the bearing fit. Their density of fit in the housing.

The device works as follows .. f

Claims (1)

The outer ring of the test sub-formula of the invention dog dog 2 is crimped with a certain Planting density for turning the plug-in Device for measuring the vibrations of the threaded sleeve 5. The rolling density of the bearing and the rolling gear containing the drive The outer ring in the cup 4 has a mounting shaft for setting the test piece according to a calibrated scale 12, a half-horn with a cantilever mounted test piece and a test experiment. made in tOM and deposited on the outer surface of the glass with the lid of the test person, there is a rotary sleeve 5. The level of vibration of the bearing, and also of the vibration sensors, is of the bearing, installed in diameter in two mutually persistent, determined by the density of fit, measuring planes, connected by rotation of the shaft 1. With recording equipment, about 1 and Glass 4 together with the outer ring, with The purpose of the sleeve 5 and the vibration sensors 6 with the increase in measurement accuracy of the glass is that the oscillating movement of the relative element is made from the rotating shaft 1. The vibration probes are longitudinal grooves with external threads Ki 6 converts the oscillatory motion of the surface and the reverse cone from the stack 4 into electrical signals that are open-ended, and the lid is recorded. Then, a vibration occurs in the form of a vibration level screwed on this stagitcation at another 25th knit threaded sleeve with an internal plating fit. On its conical surface, there corresponds the Difference of two dimensions / onpefle jaeT of the conical surface of the cup the level of sub-pinion vibrations caused by the bearing bearing density scale, by measuring the fit density, which is carried around its perimeter, is taken into account when assessing the element defects Sources, inductions, bearing on the level of its vibrations, taken into account in the examination of the rotation of the cap sleeve 5 on the stack-1. USSR author's certificate well 4, the density is different according to No. 526793, cl. Q 01 M 13 / O4, 1974 bearing cages and measurement at the same time (prototype).