Rolling bearing defect detecting device based on oil spectrum analysis and magnetic flux leakage testing
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A rolling bearing and spectral analysis technology, which is applied in the field of non-destructive detection of pressure-bearing rolling bearing defects, can solve the problems of large abrasive particles and cannot be detected, and achieve the effects of accurate measurement, rapid multiple measurements, strong innovation and practical value
Pending Publication Date: 2019-02-12
CHINA JILIANG UNIV
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However, atomic spectroscopy cannot detect larger abrasive particles, especially those larger than 10 microns
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[0034] Such as figure 1 Shown: Rolling bearing defect detection device based on oil spectrum analysis and magnetic flux leakage detection, consisting of rolling bearing to be tested (1), Hall element (2), permanent magnet (3), yoke (4), magnetic concentrator (5) , fuel injection cavity (6), rotating base (7), collection tank (8), piezoelectric fuel injector (9), fuel injection port (10), fuel injection port (11), telescopic bracket (12), adjustable Bayonet (13), first valve (14), filter chamber (15), latex tube (16), second valve (17), detection chamber (18), turntable electrode (19), graphite rod electrode (20) , an optical fiber (21), an entrance slit (22), a grating (23), an exit slit (24), a spectrometer (25), a computer workstation (26), a third valve (27) and a recovery cavity (28).
[0035] Rolling bearing defect detection device based on oil spectrum analysis and magnetic flux leakage detection, its working process is as follows figure 2As shown in the system block...
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Abstract
The invention discloses a rolling bearing defect detecting device based on oil spectrum analysis and magnetic flux leakage testing. The rolling bearing defect detecting device consists of a rolling bearing to be detected, a Hall element, a permanent magnet, a magnet yoke, a magnetism gathering device, an oil injection cavity, a rotating base, a collecting tank, a piezoelectric oil atomizer, an oilinjection port, an oil inlet, a telescopic support, an adjustable bayonet, a first valve, a filter cavity, a latex tube, a second valve, a detection cavity, a rotary table electrode, a graphite rod electrode, an optical fiber, an entrance slit, an optical grating, an exit slit, a spectrograph, a computer work station, a third valve and a recycle cavity. The technology of atomic emission spectroscopy is combined with the technology of magnetic flux leakage testing, and the disadvantage that abrasive particles of greater than 10 microns cannot be detected in the technology of atomic emission spectroscopy is solved; the device is of multifunctionality, the work environments of rolling bearings can be simulated, and the detection for different dimensions of rolling bearings is realized; the influence of irrelevant impurities on measurement cannot be eliminated, and recycling treatment is carried out on oil after detection. Repeated rapid and accurate measurement is realized, and the device is of innovativeness and practical value.
Description
technical field [0001] The invention belongs to the technical field of non-destructive detection of defects in pressure bearing rolling bearings, and in particular relates to a pressure bearing detection device based on oil spectrum analysis and magnetic flux leakage detection. Background technique [0002] Rolling bearings are an important part of contemporary pressure-bearing equipment. The main function is to support the mechanical rotating body, reduce the friction coefficient during its movement, and ensure its rotation accuracy. However, it will inevitably be worn or even broken during its use, seriously affecting property and safety. Therefore, it is very important to develop a rolling bearing defect detection device. [0003] In pressure-bearing equipment, in order to reduce friction energy consumption and wear material consumption, lubricating oil is usually added to rolling bearings, and these lubricating oils will carry wear particles and corrosion products of be...
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