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Fixture for bearing roller convexity detecting

A bearing roller and fixture technology, which is applied in the field of bearing roller crown detection fixtures, can solve the problems of high equipment investment cost, inability to meet online production testing requirements, slow detection speed, etc., and achieves simple structure and low equipment investment cost. , the effect of improving the accuracy

Pending Publication Date: 2019-06-04
LUOYANG HAOTE MODERN TESTING TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The equipment investment cost is high and the detection speed is slow, which cannot meet the needs of online production detection

Method used

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  • Fixture for bearing roller convexity detecting
  • Fixture for bearing roller convexity detecting
  • Fixture for bearing roller convexity detecting

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0023] Such as figure 1 and figure 2 As shown, a bearing roller convexity detection jig of the present invention includes a bracket 1 and a bottom plate 8 , a positioning plate 2 and an electromagnetic plate 3 fixed on the bracket 1 sequentially from bottom to top. The support 1 is a rectangular plate and distributed vertically, the bottom plate 8, the positioning plate 2 and the electromagnetic plate 3 are all rectangular plates distributed horizontally, and are vertically fixed on the same side of the support 1 by bolts respectively, so that the positioning plate 2 and the electromagnetic plate 3 The projection in the vertical direction coincides with the base plate 8 .

[0024] On the bottom plate 8, there are snap-fit ​​grooves 6 for positioning and installing the rollers 7 to be tested. Such as Figure 6 As shown, the clamping groove 6 is strip-shaped distributed along the length direction of the bottom plate 8, the cross section is V-shaped, one end is closed and loc...

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PUM

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Abstract

The invention relates to the field of bearing roller production and detecting equipment, in particular to a fixture for bearing roller convexity detecting. The fixture comprises a bracket, a bottom plate, positioning plates and an electromagnetic plate, wherein the bottom plate, the positioning plates and the electromagnetic plate are fixed to the bracket from bottom to top in sequence; the bottomplate is provided with a clamping groove for positioning installing of a to-be-detected roller, the clamping groove is in a strip shape, and at least one end of the clamping groove is closed so thata positioning surface for allowing the end of the to-be-detected roller to the positioned can be formed; and a plurality of testing strips capable of sliding up and down are sequentially arranged on the positioning plates in the length direction of the clamping groove, the two ends of any one testing strip are made of a magnetic material, and the middles of the testing strips are provided with digital speckles made through a spraying method. The fixture can cooperate with a digital speckle measuring technology to quickly and efficiently measure the convexity of the roller.

Description

technical field [0001] The invention relates to the field of production and testing equipment for bearing rollers, in particular to a jig for testing the convexity of bearing rollers. Background technique [0002] Cylindrical rollers and tapered rollers are widely used in bearings, and they can withstand large radial loads. Moreover, when the shaft on which the bearing is installed has a small bending or other non-axial phenomena cause a slight moment load, they also have a certain ability to withstand and adapt. Due to the existence of the moment load on the shaft, the ring of the bearing will be inclined, so that there is a large concentrated stress at both ends of the bearing roller. In order to reduce this concentrated stress on the edge and avoid premature fatigue failure of the rollers, the rollers and raceways are solved by adopting convex design. Roller crown can be the simplest full arc or partial crown. Most cylindrical roller bearings have a part of the roller ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25B11/00G01B5/00G01B5/20G01B11/24
Inventor 张俪文崔镇海程鼎豪
Owner LUOYANG HAOTE MODERN TESTING TECH