CN116000813A - Device and method for detecting outer raceway size of tapered roller bearing - Google Patents
Device and method for detecting outer raceway size of tapered roller bearing Download PDFInfo
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- CN116000813A CN116000813A CN202310045819.9A CN202310045819A CN116000813A CN 116000813 A CN116000813 A CN 116000813A CN 202310045819 A CN202310045819 A CN 202310045819A CN 116000813 A CN116000813 A CN 116000813A
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- round table
- tapered roller
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- roller bearing
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000005259 measurement Methods 0.000 claims abstract description 21
- 238000001514 detection method Methods 0.000 claims description 19
- 238000005096 rolling process Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
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Abstract
The device is provided with a positioning disc, the positioning disc consists of a connecting rod and a round table, the side surface of the round table is a measurement limiting surface matched with the outer raceway surface of the bearing, and the bottom surface of the round table is provided with a sensor for measuring the distance. The measuring mode of the detecting device and the structural form of the measuring main body are optimized, so that the detecting device has the advantages of simple structure, convenience in operation, high detecting precision and high efficiency, the detecting device can be arranged on a bearing grinding automatic line in a matching way, the problem that the maximum point of a detected bearing raceway cannot be positioned accurately in the existing automatic measuring mode can be avoided, the size of an outer raceway of the bearing can be effectively measured, and the detecting device is particularly suitable for large-scale thin-wall tapered roller bearing assembly with high requirements, has higher requirements on the consistency of the size of the outer raceway, provides real and reliable data for setting and adjusting technological parameters in the production and processing process, and is suitable for popularization and application in a large scale.
Description
Technical Field
The invention relates to the technical field of bearing detection, in particular to a device and a method for detecting the size of an outer raceway of a tapered roller bearing, which are mainly suitable for detecting the tapered roller bearing of an automatic grinding line.
Background
It is known that the structure and assembly dimensional and rotational accuracy of english tapered roller bearings are different from metric bearings and are used in the industry of import machinery or special needs. When the thin-wall tapered roller bearing is specifically used, strict requirements are put on the assembly height of the thin-wall tapered roller bearing by a user in order to ensure that the pre-tightening amount is consistent when the user installs the thin-wall tapered roller bearing. The large thin-wall tapered roller bearing is characterized in that the thin end face of the product wall is narrow, the assembly position of the large end face of the outer ring is at the lower part of the retainer, the assembly is high, the measurement is difficult, the rotation balance of the product is large during the measurement, the effective measurement is difficult, and the like, the requirement on the uniformity of the raceway size of the bearing part is correspondingly improved in order to ensure the assembly high-pass machining qualification rate, and the measurement accuracy and efficiency of the outer raceway size are ensured.
Disclosure of Invention
In order to solve the technical problems, the invention provides a device and a method for detecting the outer raceway size of a tapered roller bearing, and the device and the method can effectively measure the outer raceway size of the bearing, and particularly provide real and reliable data and the like for setting and adjusting process parameters in the production and processing process aiming at higher measurement precision of the outer raceway size of the large-sized thin-wall tapered roller bearing.
The technical scheme adopted by the invention is as follows: the utility model provides a tapered roller bearing outer raceway size detection device, is equipped with a positioning disk, the positioning disk comprises connecting rod and the round platform of fixed mounting in the connecting rod lower extreme, the side of round platform is the measurement spacing face with the outer raceway face adaptation of bearing, is equipped with the sensor that is used for measuring the distance on the bottom surface of round platform.
Preferably, a blind hole for installing the sensor is formed in the bottom surface of the round table.
As a preferable scheme, the positioning disc is characterized in that the connecting rod and the round table form an integrated structure in a detachable connection mode.
As a preferable scheme, the flatness of the round table of the positioning disk is less than or equal to 0.002mm, and the roundness is less than or equal to 0.002mm.
As a preferable scheme, the parallelism between the bottom surface of the round table of the positioning disk and the end surface of the measured bearing is less than or equal to 0.003mm.
The detection method of the tapered roller bearing outer raceway size detection device comprises the following steps:
s1, measuring a standard component of a detected bearing by the detection device, checking a sensor, and uploading a measured value x of the standard component to an upper computer;
s2, placing the bearing to be measured on a measuring platform, placing the positioning disc in an outer raceway of the bearing to be measured, enabling the whole positioning disc to be kept at the current position and not to move downwards through contact between a measuring limiting surface and an outer raceway surface of the bearing, and measuring the deviation of the distance x between the positioning disc and the measuring platform through a sensor;
and S3, the sensor transmits the measured numerical value to the upper computer, and the upper computer compares the obtained numerical value with the standard part indication number and judges whether the measured product is qualified or not.
The beneficial effects of the invention are as follows:
the measuring mode of the detecting device and the structural form of the measuring main body are optimized, so that the detecting device has the advantages of simple structure, convenience in operation, high detecting precision, high detecting efficiency, capability of being installed on a bearing grinding automatic line in a matching way, capability of avoiding the problem that the maximum point of a detected bearing rollaway nest cannot be positioned accurately in the existing automatic measuring mode, capability of effectively measuring the size of an outer rollaway nest of the bearing, high requirement on assembly of a large-sized thin-wall tapered roller bearing, higher requirement on the size consistency of the outer rollaway nest, capability of providing real and reliable data for setting and adjusting process parameters in the production and processing process, and the like, and suitability for popularization and application in a large scale.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a detection device.
Description of the drawings: 1. the device comprises a positioning disc, 11, a connecting rod, 12, a round table, 13, a measurement limiting surface, 2, a sensor, 3 and a measured bearing.
Detailed Description
The present invention will be specifically described below by way of exemplary embodiments. It is to be understood that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
It should be noted that: unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. As used in the specification and claims of this application, the terms "a," "an," and "the" and similar referents are not to be construed to limit the scope of at least one. The word "comprising" or "comprises", and the like, indicates that elements or items listed thereafter or equivalents thereof may be substituted for elements or items thereof in addition to those listed thereafter or equivalents thereof without departing from the scope of the word "comprising" or "comprising".
As shown in figure 1, a tapered roller bearing outer raceway size detection device mainly comprises a measurement platform, a positioning disk 1 and a sensor 2, wherein an outer ring of a measured bearing 3 is placed on the measurement platform and positioned to ensure that the measured bearing is kept motionless in the detection process, the positioning disk 1 comprises a connecting rod 11 and a round table 12 fixedly arranged at the lower end of the connecting rod 11, the side surface of the round table 12 is a measurement limiting surface 13 matched with the outer raceway surface of the bearing, a sensor for measuring the distance is arranged on the bottom surface of the round table, during measurement, the small aperture end of the outer ring of the measured bearing faces downwards, the connecting rod 11 can be held by a hand to place the round table 12 into the outer ring, and in the downward movement process of the round table, the whole positioning disk is kept at the current position along with the contact of the measurement limiting surface on the round table and the outer raceway surface of the bearing, and then the sensor 2 is started to acquire the distance between the positioning disk and the measurement platform.
In this scheme, can be equipped with the blind hole on the bottom surface of round platform, the sensor is installed in the blind hole, and in the testing process, the distance that its detected is the distance between sensor measurement end and the measuring platform's the face.
In this scheme, this testing process needs to guarantee the spacing face of measurement of round platform and the outer race face looks adaptation of being surveyed the bearing, consequently, in order to adapt to the detection of different model tapered roller bearing, can change the round platform of different models, for example: when connecting rod and round platform on the positioning disk pass through threaded connection, the round platform of accessible processing different models cooperates with the connecting rod and constitutes different positioning disk structures.
In the scheme, the flatness of the round table of the positioning disk is less than or equal to 0.002mm, and the roundness is less than or equal to 0.002mm.
In the scheme, the parallelism of the bottom surface of the round table of the positioning disk and the end surface of the measured bearing is less than or equal to 0.003mm.
In this scheme, positioning disk 1, its connecting rod 11 perpendicular to round platform 12.
The detection method of the tapered roller bearing outer raceway size detection device comprises the following steps:
step one, sensor zeroing: a special standard component of the measured bearing is selected, the positioning disc with the sensor is placed into a rolling path of the standard component for measurement, the sensor is calibrated, and the measurement value x of the standard component is uploaded to an upper computer;
step two, measuring the size of a raceway of a bearing to be measured, placing the bearing to be measured on a measuring platform, placing a positioning disc into an outer raceway of the bearing to be measured, enabling the whole positioning disc to be kept at the current position and not move downwards through the contact between a measuring limiting surface and an outer raceway surface of the bearing, and measuring the deviation of the distance x between the positioning disc and the measuring platform through a sensor;
and thirdly, the sensor transmits the measured numerical value to the upper computer, and the upper computer compares the obtained numerical value with the standard component indication and judges whether the measured product is qualified or not.
In the third step, the distance x deviation value obtained by the sensor is transmitted to the upper computer, after the upper computer obtains the distance x deviation value, the distance x deviation=x×tan α, α is the included angle between the central axis of the connecting rod 11 and the outer raceway surface of the bearing, so that the distance x deviation value is converted into the raceway size y deviation value, and the numerical conversion process can be realized through automatic calculation of the program in the upper computer; and then comparing the y-deviation value of the track size with the process deviation, wherein the track size is qualified in the process deviation range, and otherwise, the track size is unqualified.
The solution is not described in detail in the prior art.
Example 1,
The following describes a specific detection procedure of the present scheme taking the tapered roller bearing 329XX of a deflection driver as an example:
the tapered roller bearing 329XX of the deflection driver has the technical parameters that the angle of an outer raceway is 12 degrees 20', the size of the outer raceway is phi 187.3mm, and the deviation is [ -0.03, +0.03] mm.
The relation between the deviation of the track size y and the deviation of the distance x between the sensor and the measuring platform is y=x tan alpha, the algorithm automatically calculates in the measuring system, input data are deviation of a standard component y, y deviation conversion is carried out after the data x1 are obtained through first measurement, y deviation=x1 tan alpha is carried out, then y deviation is compared with process deviation, and qualified products are obtained in the process deviation range, or unqualified products are obtained.
The method is carried out according to the following steps:
firstly, a special standard component is used, and the angle is as follows: performing sensor calibration on a standard component with the size of phi 187.3 +/-0 mm at the angle of 12 DEG 20' +/-0, and uploading a measurement value 0 of the standard component to an upper computer; and then, detecting the size of a raceway of a bearing on a production line, detecting that the distance deviation x1 between the bearing and a platform is 0.09mm through a sensor, converting the measured x1 value into y deviation, wherein y deviation=0.09×tan12 DEG 20' = +0.02mm, and the y deviation of the bearing to be detected is within the range of [ -0.03, +0.03] mm through automatic conversion in a measuring system, so that the bearing to be detected is a qualified product.
It should be noted that while the above describes the invention in terms of embodiments, many other embodiments of the invention are possible. Various modifications and variations of this invention may be apparent to those skilled in the art without departing from the spirit and scope of this invention, and it is intended to cover in the appended claims all such modifications and variations as fall within the true scope of this invention.
Claims (6)
1. The utility model provides a tapered roller bearing outer raceway size detection device which characterized in that: the positioning disc comprises a connecting rod and a round table fixedly installed at the lower end of the connecting rod, the side surface of the round table is a measurement limiting surface matched with the outer rolling surface of the bearing, and a sensor for measuring the distance is arranged on the bottom surface of the round table.
2. The tapered roller bearing outer race size detection apparatus according to claim 1, characterized in that: the bottom surface of the round table is provided with a blind hole for installing the sensor.
3. The tapered roller bearing outer race size detection apparatus according to claim 1, characterized in that: the positioning disk is characterized in that the connecting rod and the round table form an integrated structure in a detachable connection mode.
4. The tapered roller bearing outer race size detection apparatus according to claim 1, characterized in that: the flatness of the round table of the positioning disk is less than or equal to 0.002mm, and the roundness is less than or equal to 0.002mm.
5. The tapered roller bearing outer race size detection apparatus according to claim 1, characterized in that: and the parallelism between the bottom surface of the round table of the positioning disk and the end surface of the measured bearing is less than or equal to 0.003mm.
6. The detection method of the tapered roller bearing outer raceway size detection device according to any one of claims 1 to 5, characterized in that: the method comprises the following steps:
s1, measuring a standard component of a detected bearing by the detection device, checking a sensor, and uploading a measured value x of the standard component to an upper computer;
s2, placing the bearing to be measured on a measuring platform, placing the positioning disc in an outer raceway of the bearing to be measured, enabling the whole positioning disc to be kept at the current position and not to move downwards through contact between a measuring limiting surface and an outer raceway surface of the bearing, and measuring the deviation of the distance x between the positioning disc and the measuring platform through a sensor;
and S3, the sensor transmits the measured numerical value to the upper computer, and the upper computer compares the obtained numerical value with the standard part indication number and judges whether the measured product is qualified or not.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310045819.9A CN116000813A (en) | 2023-01-30 | 2023-01-30 | Device and method for detecting outer raceway size of tapered roller bearing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310045819.9A CN116000813A (en) | 2023-01-30 | 2023-01-30 | Device and method for detecting outer raceway size of tapered roller bearing |
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| CN116000813A true CN116000813A (en) | 2023-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310045819.9A Pending CN116000813A (en) | 2023-01-30 | 2023-01-30 | Device and method for detecting outer raceway size of tapered roller bearing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116499335A (en) * | 2023-06-26 | 2023-07-28 | 聊城泰通精工机械科技有限公司 | Conical bearing rolling element groove measuring device |
-
2023
- 2023-01-30 CN CN202310045819.9A patent/CN116000813A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116499335A (en) * | 2023-06-26 | 2023-07-28 | 聊城泰通精工机械科技有限公司 | Conical bearing rolling element groove measuring device |
| CN116499335B (en) * | 2023-06-26 | 2023-09-19 | 聊城泰通精工机械科技有限公司 | Conical bearing rolling element groove measuring device |
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Country or region after: China Address after: 471039 No. 96, Jianxi, Luoyang District, Henan, Jianshe Road Applicant after: Luoyang Bearing Group Co.,Ltd. Address before: 471039 No. 96, Jianxi, Luoyang District, Henan, Jianshe Road Applicant before: LUOYANG LYC BEARING Co.,Ltd. Country or region before: China |
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