阅读说明：本技术 一种用于实时检测的智能轴承滚子 (Intelligent bearing roller for real-time detection ) 是由 吴立群 张一帆 王泽恩 陆凯 于 2020-12-30 设计创作，主要内容包括：本发明涉及一种用于实时检测的智能轴承滚子,包括呈圆柱状的滚子体,所述滚子体中心设有一个通孔,所述滚子体周边圆柱面设置有三个扇形油槽,即中间扇形油槽和位于中间扇形油槽上下端的端部扇形油槽,中间扇形油槽和两个端部扇形油槽上均设置有与通孔相连通的油孔；与现有的轴承技术相比,本轴承滚子的优点在于：结构简单,陶瓷材料可减少磨损,稳定性好,使用寿命长,可实现实时检测滚子由于疲劳原因在次表面形成微观裂纹或晶格错位的早期缺陷。(The invention relates to an intelligent bearing roller for real-time detection, which comprises a cylindrical roller body, wherein a through hole is formed in the center of the roller body, three fan-shaped oil grooves are formed in the peripheral cylindrical surface of the roller body, namely a middle fan-shaped oil groove and end fan-shaped oil grooves positioned at the upper end and the lower end of the middle fan-shaped oil groove, and oil holes communicated with the through hole are formed in the middle fan-shaped oil groove and the two end fan-shaped oil grooves; compared with the prior bearing technology, the bearing roller has the advantages that: the structure is simple, the ceramic material can reduce abrasion, the stability is good, the service life is long, and the early defect that the roller forms micro cracks or lattice dislocation on the secondary surface due to fatigue can be detected in real time.)

1. The utility model provides an intelligent bearing roller for real-time detection which characterized in that: including being cylindric roller body (1), roller body (1) center is equipped with a through-hole (7), roller body (7) periphery face of cylinder is provided with three fan-shaped oil groove, fan-shaped oil groove (9) in the middle of promptly and be located fan-shaped oil groove (9) in the middle of tip fan-shaped oil groove (8) of lower extreme, all be provided with oilhole (10) that are linked together with through-hole (7) on fan-shaped oil groove (9) in the middle of and two tip fan-shaped oil grooves (8).

2. A smart bearing roller for real-time detection according to claim 1, wherein the three fan-shaped oil grooves are equally distributed on the cylindrical surface of the roller body (1), wherein the oil groove opening of the middle fan-shaped oil groove (9) is 270 °, and the oil groove openings of the two end fan-shaped oil grooves (8) are 220 °.

3. An intelligent bearing roller for real-time detection according to claim 2, wherein the number of the oil holes (10) on the middle sector-shaped oil groove (9) is three, and the three oil holes (10) are equally distributed on the section of the cross section of the middle sector-shaped oil groove (9).

4. An intelligent bearing roller for real-time inspection according to claim 2, wherein the oil holes (10) on the end fan-shaped oil groove (8) are arranged in one.

5. A smart bearing roller for real-time detection according to claim 1, said through hole (7) having a diameter of one third of the diameter of the roller body (1).

6. An intelligent bearing roller for real-time detection according to claim 5, wherein the inner side of the through hole (7) of the roller body (1) is provided with an arc-shaped inner chamfer (11).

7. An intelligent bearing roller for real-time detection according to claim 6, wherein the roller body (1) is provided with an arc-shaped outer chamfer (12) at the circumferential outer side of the two ends.

8. The intelligent bearing roller for real-time detection according to claim 7, wherein the roller body (1) is formed by embedding micro-nano piezoelectric ceramic particles in a zirconia ceramic matrix.

9. The intelligent bearing roller for real-time detection according to claim 8, wherein the micro-nano piezoelectric ceramic particles are randomly distributed in the zirconia ceramic collective matrix, and the zirconia ceramic matrix and the micro-nano piezoelectric ceramic matrix in the roller body are constructed into a self-focusing model with random distribution.

10. The intelligent bearing roller for real-time detection according to claim 9, wherein the micro-nano piezoelectric ceramic particles are randomly embedded into the zirconia ceramic matrix according to the ultrasonic standing wave field suspension theory.

Technical Field

The invention belongs to the technical field of bearing roller devices, and particularly relates to an intelligent bearing roller for real-time detection.

Background

The bearing roller and the inner and outer ring cages of the bearing form a bearing together, and the bearing roller is an important component in the bearing, usually the roller is arranged on the cage, the cage is mainly used for separating each roller, so that the distance between the rollers is equal, the uniform distribution of load between the rollers can be ensured, when in use, the rotation of the bearing roller between the inner ring and the outer ring of the bearing realizes the function of mutual rotation of the inner ring and the outer ring of the bearing, and because the bearing roller is always in contact with the cage and the inner ring and the outer ring of the bearing and has mutual friction, the bearing roller is easy to wear, and the early fatigue damage is easy to generate due to rolling contact stress.

In recent years, a lot of research has been conducted on intelligent bearing rollers by many groups of subjects at home and abroad. By the way, the intelligent bearing roller sensor is generally installed on the surface of a bearing outer ring at present, so that the actual operation conditions of the inner ring of the rolling bearing, the rolling ball and the like are difficult to acquire, and the actual information data of the internal fault of the rolling bearing is scarce.

In view of the above problems, it is necessary to improve them.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides an intelligent bearing roller for real-time detection, which is simple in structure, ingenious in design, more reasonable in design and easy to detect early defects.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: the utility model provides an intelligent bearing roller for real-time detection, is including being cylindric roller body, roller body center is equipped with a through-hole, roller body peripheral face of cylinder is provided with three fan-shaped oil groove, fan-shaped oil groove in the middle of promptly and the fan-shaped oil groove of tip that is located middle fan-shaped oil groove upper and lower extreme all are provided with the oilhole that is linked together with the through-hole on middle fan-shaped oil groove and the fan-shaped oil groove of two tips.

In a preferred embodiment of the present invention, the three fan-shaped oil grooves are equidistantly distributed on the cylindrical surface of the roller body, wherein the oil slot opening of the middle fan-shaped oil groove is 270 °, and the oil slot openings of the two end fan-shaped oil grooves are 220 °.

As a preferable scheme of the invention, three oil holes are arranged on the middle fan-shaped oil groove, and the three oil holes are uniformly distributed on the section of the cross section of the middle fan-shaped oil groove at equal intervals.

In a preferred embodiment of the present invention, the oil hole of the end sector oil groove is provided in one.

In a preferred embodiment of the present invention, the diameter of the through hole is one third of the diameter of the roller body.

In a preferred embodiment of the present invention, an arc-shaped inner chamfer is provided inside the through hole of the roller body.

In a preferred embodiment of the present invention, the outer circumferential sides of both ends of the roller body are provided with arc-shaped outer chamfers.

In a preferred embodiment of the present invention, the roller body is formed by embedding micro-nano piezoelectric ceramic particles in a zirconia ceramic matrix.

According to a preferable scheme of the invention, the micro-nano piezoelectric ceramic particles are embedded in the zirconia ceramic collective matrix and are randomly distributed, and the zirconia ceramic matrix and the micro-nano piezoelectric ceramic matrix in the roller body form a self-focusing model which is randomly distributed.

As a preferable scheme of the invention, the micro-nano piezoelectric ceramic particles are randomly embedded into the zirconia ceramic matrix according to the ultrasonic standing wave field suspension theory.

The invention has the beneficial effects that: compared with the prior bearing technology, the bearing roller has the advantages that: the structure is simple, the ceramic material can reduce abrasion, the stability is good, the service life is long, and the early defect that the roller forms micro cracks or lattice dislocation on the secondary surface due to fatigue can be detected in real time.

Drawings

FIG. 1 is a schematic view of the structure provided by the present invention;

FIG. 2 is a cross-sectional view of a structure provided by the present invention;

reference numbers in the figures: the roller body 1, the through hole 7, the end sector oil groove 8, the middle sector oil groove 9, the oil hole 10, the inner chamfer 11 and the outer chamfer 12.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b): as shown in fig. 1 and 2, an intelligent bearing roller for real-time detection comprises a cylindrical roller body 1, wherein a through hole 7 is formed in the center of the roller body 1, and the diameter of the through hole 7 is one third of that of the roller body 1; three fan-shaped oil grooves are formed in the cylindrical surface of the periphery of the roller body 7, namely a middle fan-shaped oil groove 9 and end fan-shaped oil grooves 8 positioned at the upper end and the lower end of the middle fan-shaped oil groove 9, and oil holes 10 communicated with the through holes 7 are formed in the middle fan-shaped oil groove 9 and the two end fan-shaped oil grooves 8; compared with the prior bearing technology, the bearing roller has the advantages that: the structure is simple, the ceramic material can reduce abrasion, the stability is good, the service life is long, and the early defect that the roller forms micro cracks or lattice dislocation on the secondary surface due to fatigue can be detected in real time.

Specifically, three fan-shaped oil grooves are equidistantly distributed on the cylindrical surface of the roller body 1, wherein the oil groove opening of the middle fan-shaped oil groove 9 is 270 degrees, and the oil groove openings of the two end fan-shaped oil grooves 8 are 220 degrees; three oil holes 10 are formed in the middle fan-shaped oil groove 9, and the three oil holes 10 are uniformly distributed on the cross section of the middle fan-shaped oil groove 9 at equal intervals; one oil hole 10 is formed in the end fan-shaped oil groove 8; wherein, the oil holes 10 on the end segment oil groove 8 and the middle segment oil groove 9 are distributed uniformly and equidistantly on the cross section of the segment oil groove, which not only enhances the diffusion capability of the lubricating oil in the bearing, but also enables the electric signals generated by the piezoelectric ceramics due to the formation of micro cracks or lattice dislocation on the secondary surface caused by fatigue reasons to be effectively collected.

The inner side of the through hole 7 of the roller body 1 is provided with an arc-shaped inner chamfer 11, and the circumferential outer sides of the two ends of the roller body 1 are provided with arc-shaped outer chamfers 12; the inner chamfer 11 and the outer chamfer 12 on the inner side and the outer side of the circumferential direction of the through hole of the roller body can prevent the roller body 1 from being worn, and can ensure the motion stability of the roller body 1.

The roller body 1 is formed by embedding micro-nano piezoelectric ceramic particles in the middle of a zirconia ceramic matrix, and the micro-nano piezoelectric ceramic particles are randomly embedded in the zirconia ceramic matrix according to an ultrasonic standing wave field suspension theory; the micro-nano piezoelectric ceramic particles are embedded into the zirconia ceramic collective matrix and are randomly distributed, and the zirconia ceramic matrix and the micro-nano piezoelectric ceramic matrix in the roller body are constructed into a self-focusing model which is randomly distributed; the self-focusing model has the function of not influencing the mechanical property and the sensing ability of the roller.

Specifically, the substrate used by the bearing roller is zirconia ceramic, the zirconia ceramic has high toughness, high bending strength and high wear resistance, and has sensitive electrical performance parameters, and the compatibility of the zirconia ceramic and micro-nano piezoelectric ceramic particles is much better than that of metals and micro-nano piezoelectric ceramic particles. Therefore, zirconia ceramics are selected as the substrate.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Although the reference numerals in the figures are used more here: the terms of the roller body 1, the through hole 7, the end sector oil groove 8, the middle sector oil groove 9, the oil hole 10, the inner chamfer 11, the outer chamfer 12, etc., do not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.