CN111811357A - Portable bearing inner ring groove position detector and using method thereof - Google Patents
Portable bearing inner ring groove position detector and using method thereof Download PDFInfo
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- CN111811357A CN111811357A CN202010472275.0A CN202010472275A CN111811357A CN 111811357 A CN111811357 A CN 111811357A CN 202010472275 A CN202010472275 A CN 202010472275A CN 111811357 A CN111811357 A CN 111811357A
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- gauge stand
- support
- pressure point
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- inner ring
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a portable bearing inner ring groove position detector which comprises a gauge stand support, a gauge stand arranged on the gauge stand support, an arc-shaped support plate arranged on one side of the bottom of the gauge stand, a movable pressure point mechanism arranged on the top of the gauge stand, two ball seats arranged on the arc-shaped support plate and symmetrically distributed about the center of the gauge stand, and a torsion spring gauge arranged at the same side of a measuring point in the middle of the gauge stand and the ball seats. The invention has the advantages of realizing the light weight of the detection device, saving the cost, being simple and convenient to adjust and being capable of rapidly completing the adjustment without abundant adjustment skills.
Description
Technical Field
The invention relates to the technical field of bearing inspection, in particular to a portable bearing inner ring groove position inspection instrument and a using method thereof.
Background
The deep groove ball bearing is widely applied to the bearing, has low price, simple manufacture and wide performance, and is also a bearing produced in large batch in the bearing manufacturing industry. The deep groove ball bearing has the functions of supporting a shaft and parts on the shaft, enabling the shaft to rotate and keeping a certain rotating precision, and reducing friction and abrasion relative to the rotating parts. The important point in the bearing production process is the channel grinding process, the channel surface of the processed bearing in the process is the surface which is in direct contact with the bearing in the running process, the quality of the channel surface determines whether the deep groove ball bearing can guarantee the quality level of high rotation precision and low friction, and the quality of the bearing is determined, so the detection of the process is particularly important. When the bearing inspection tester is used for inspecting the inner diameter, the bearing is placed on the inspection table, the three inspection probes are positioned in the bearing ring and are abutted against the inner ring, two inspection probes are inspection probes, the other inspection probe is a movable inspection probe, the movable inspection probe can slide on the inspection table along the radial direction, and whether the inner diameter of the bearing meets the requirement or not is judged through the position change of the movable inspection probe. At present, a detection tool used in a bearing inner ring groove machining process is a D022 bearing inner ring groove inspection tester, and the detection tool has the advantages that 4 technical parameters of the size of a groove, the size variation of the groove, the position of the groove and the runout of the groove relative to an end face of a bearing inner ring can be detected simultaneously. The meter seat formed by adopting the integral casting process has the defects of heavy weight, complex structure, high price, difficult adjustment and the like. Like chinese utility model patent publication No. CN206959823U discloses an inspection desk of bearing inspection tester, including the base of disc, arrange along circumference on the base and be equipped with three inspection probe, three inspection probe comprises two fixed inspection probes and a movable inspection probe, and this utility model only improves the operation platform of placing the race ring, consequently needs a compact structure, the demand that the bodily form is light, the simple inspection tester of adjustment in order to satisfy light transport and quick adjustment.
Disclosure of Invention
The invention aims to solve the technical problems of the existing bearing inner ring groove inspection instrument in integral casting, and provides a portable bearing inner ring groove inspection instrument and a using method thereof.
The technical scheme of the invention is as follows: the portable bearing inner ring groove position detector comprises a gauge stand support, a gauge stand arranged on the gauge stand support, an arc-shaped supporting plate arranged on one side of the bottom of the gauge stand, a movable pressure point mechanism arranged on the top of the gauge stand, two ball seats arranged on the arc-shaped supporting plate and symmetrically distributed about the center of the gauge stand, and a torsion spring gauge arranged at the middle part of the gauge stand and positioned on the same side of the ball seats, wherein the movable pressure point mechanism comprises a pressure point support arranged on the central axis of the top of the gauge stand, two support arms for clamping the pressure point support in the radial direction are respectively upwards extended from two ends of the top of the gauge stand, the pressure point support is rotatably connected with the two support arms through a rotating shaft mechanism extending in the radial direction of the pressure point support, a pressure point matched with the ball seats is arranged at one end of the pressure point support.
In the above scheme, pivot mechanism includes radially wears to locate the pivot of pressure point support, the both ends of pivot are connected with two arms respectively, the pivot passes through bearing and pressure point support cooperation.
In the scheme, the longitudinal sections of the two support arms are U-shaped, the two free ends of the U-shaped support arms are fixedly connected through the screw, and the two ends of the rotating shaft are limited in a space enclosed by the screw and the U-shaped support arms.
The improvement of the scheme is that an elastic connecting mechanism is arranged between the pressure point support and the gauge stand, and the elastic connecting mechanism comprises a support spring rod connected to the side surface of the pressure point support, a gauge stand spring rod connected to the gauge stand and a spring connected between the support spring rod and the gauge stand spring rod.
In the scheme, the elastic connecting mechanism and the arc-shaped supporting plate are positioned on the same side or different sides of the gauge stand.
A use method of a portable bearing inner ring groove position detector comprises the following steps: applying a certain pressure to the tail end of an extension rod, lifting a spherical pressure point under the action of a rotating shaft, placing a workpiece to be measured, releasing the pressure of the extension rod, applying a certain pressure to the workpiece to be measured under the action of a spring to eliminate a gap between the workpiece to be measured and a ball seat, contacting an end surface A of the workpiece to be measured on a measuring head of a torsion spring meter, recording a detection result at the moment as m, rotating the workpiece to be measured for a circle anticlockwise, wherein the detection result is the run-out of a bearing inner ring channel relative to the end surface, pressing the extension rod again to take off the workpiece, contacting an end surface B of the workpiece to be measured on the measuring head of the torsion spring meter according to the method, recording a detection result at the moment as n, and determining the absolute value of the difference between the two detection results as a groove position e of the workpiece to be measured, namely: | m-n | = e.
The invention has the advantages of realizing the light weight of the detection device, saving the cost, being simple and convenient to adjust and being capable of rapidly completing the adjustment without abundant adjustment skills.
Drawings
FIG. 1 is a schematic view of a portable bearing inner race groove position inspection instrument of the invention;
FIG. 2 is an exploded view of FIG. 1;
in the figure, 1, a meter seat support, 2, a meter seat, 3, an arc-shaped support plate, 31, a ball seat, 4, a pressure point mechanism device, 41, a rotating shaft, 42, a pressure point support, 43, a bearing, 44, a spherical pressure point, 45, an extension rod, 46, a spring rod, 5, a spring, 51, a spring rod, 6 and a torsion spring comparator.
Detailed Description
The technical scheme in the embodiment of the invention is clearly and completely described below with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments based on the embodiments in the present invention, without any inventive work, will be apparent to those skilled in the art from the following description.
As shown in figures 1-2, a portable bearing inner ring groove position detector comprises a gauge stand bracket 1, a gauge stand 2 arranged on the gauge stand bracket, an arc-shaped supporting plate 3 arranged at one side of the bottom of the gauge stand, a movable pressure point mechanism 4 arranged at the top of the gauge stand, two ball seats 31 arranged on the arc-shaped supporting plate and symmetrically distributed about the center of the gauge stand, a torsion spring gauge 6 arranged at the same side of a measuring point in the middle of the gauge stand and the ball seats, the movable pressure point mechanism comprises a pressure point support arranged on the central axis of the top of the gauge stand, two ends of the top of the gauge stand respectively extend upwards to form two support arms for clamping the pressure point support from the radial direction, the pressure point support is connected with the two support arms in a rotating mode through a rotating shaft mechanism extending along the radial direction of the pressure point support, a pressure point 44 matched with the ball seat is installed at one end of the pressure point support, and an extension rod 45 is installed at the other end of the pressure point support.
The meter seat support can be two rectangles which are distributed at intervals as shown in the figure, the meter seat is fixed in the middle of the rectangular meter seat support through a bolt, a groove is formed in the position, and the meter seat is axially arranged in the groove.
The gauge outfit can be by supreme three parts that divide into down, and the lower part is the rectangle, and the middle part is the rectangle that is the shrink of length, offers the through-hole that supplies the torsional spring table installation in this part, and upper portion is the region that is enclosed by two support arms, and the pressure point support is settled between two support arms along its axial, and the bearing that waits to detect is propped up jointly to the pressure point and two ball seats of pressure point support, in order to rotate the pressure point support, pivot mechanism includes the pivot of radially wearing to locate the pressure point support, the both ends of pivot are connected with two support arms respectively, the pivot passes through bearing and pressure point support cooperation.
Specifically, the longitudinal sections of the two support arms are U-shaped, the two free ends of the U-shaped support arms are fixedly connected through screws, and the two ends of the rotating shaft are limited in a space enclosed by the screws and the U-shaped support arms.
In order to provide an initial downward pressure to the pressure point, so as to give a certain pressure to the workpiece to be measured to eliminate the gap between the workpiece to be measured and the ball seat 31, an elastic connection mechanism is provided between the pressure point support and the gauge stand, the elastic connection mechanism comprises a support spring rod 46 connected to the side surface of the pressure point support, a gauge stand spring rod 51 connected to the gauge stand, and a spring 5 connected between the support spring rod and the gauge stand spring rod, the elastic connection mechanism can be located at the same side of the gauge stand as the arc-shaped support plate, and the gravity center of the pressure point support is located at the side of the gauge stand with the arc-shaped support plate. The elastic connecting mechanism can also be positioned on the opposite side of the meter seat with the arc-shaped supporting plate, and the gravity center of the pressure point support is positioned on one side of the extending rod.
The two support spring rods can be symmetrically distributed on two sides of the pressure point support as shown in fig. 2, or one support spring rod can be arranged on one side of the pressure point support as shown in fig. 1.
The assembly process of the invention is as follows: the instrument base 2 is provided with a torsion spring comparator 6, a pressure point mechanism device 4 and an arc-shaped supporting plate 3, and then the instrument base is fixed on the instrument base bracket 1 by 4 screws. 2 ball seats 31 are arranged on the arc-shaped support plate 3. The rotating shaft 41 is installed in a bearing hole of the pressure point bracket 42 after the bearing 43 is installed, the spherical pressure point 44 is installed in a pressure point hole of the pressure point bracket 42, and the head of the extension rod 45 is installed in a threaded hole of the pressure point bracket 42 with threads. The spring rod 46 is mounted in a spring rod hole of the pressure point bracket 44. The spring 5 connects the spring lever 46 and the spring lever 51, and functions to apply a pressing force.
The using method of the invention is as follows: applying a certain pressure to the tail end of the extension rod 45, lifting the spherical pressure point 43 under the action of the rotating shaft 41, placing the workpiece to be measured, releasing the pressure of the extension rod 45, applying a certain pressure to the workpiece to be measured under the action of the spring 5 to eliminate the gap between the workpiece to be measured and the ball seat 31, contacting the end surface A of the workpiece to be measured on a measuring head of the torsion spring gauge 6, recording the detection result of the moment as m, rotating the workpiece to be measured for one circle counterclockwise, wherein the detection result is the run-out of the inner ring channel of the bearing relative to the end surface, pressing the extension rod 45 again to take off the workpiece, contacting the end surface B of the workpiece to be measured on the measuring head of the torsion spring gauge 6 according to the method, recording the detection result of the moment as n, and the absolute value of the difference between the two detection results is the groove position e of the workpiece to be measured, namely: | m-n | = e.
When detecting the model and remodeling, directly take off the arc backup pad 3 and replace the arc backup pad 3 of corresponding model and the spherical pressure point 44 of corresponding model and accomplish the remodeling, it is quick convenient to remodel.
The overall size of the invention is 200mm X140 mm X110 mm, which is about half smaller than the size of D022 320mm X320 mm X200 mm. The material cost is reduced by completely adopting a common A3 steel plate, the total weight is not more than 10 kg and is half of the weight of 22 kg of D022, and the convenient type changing is realized.
Claims (7)
1. The utility model provides a portable bearing inner race groove position detector, characterized by: the gauge stand comprises a gauge stand support (1), a gauge stand (2) arranged on the gauge stand support, an arc-shaped support plate (3) arranged on one side of the bottom of the gauge stand, a movable pressure point mechanism (4) arranged on the top of the gauge stand, two ball seats (31) which are symmetrically distributed on the arc-shaped support plate relative to the center of the gauge stand, and a torsion spring gauge (6) which is arranged on the same side of a measuring point in the middle of the gauge stand and the ball seats, wherein the movable pressure point mechanism comprises a pressure point support arranged on the central axis of the top of the gauge stand, two support arms which are used for clamping the pressure point support in the radial direction are respectively upwards extended from two ends of the top of the gauge stand, the pressure point support is rotatably connected with the two support arms through a rotating shaft mechanism which radially extends, a pressure point (44) matched with the ball seats.
2. The portable bearing inner ring groove position detector as claimed in claim 1, wherein: the pivot mechanism includes radially wears to locate the pivot of pressure point support, the both ends of pivot are connected with two arms respectively, the pivot passes through bearing and pressure point support cooperation.
3. The portable bearing inner ring groove position detector as claimed in claim 2, characterized in that: the longitudinal sections of the two support arms are U-shaped, the two free ends of the U-shaped support arms are fixedly connected through screws, and the two ends of the rotating shaft are limited in a space enclosed by the screws and the U-shaped support arms.
4. The portable bearing inner ring groove position detector as claimed in claim 1, wherein: be equipped with elastic connection mechanism between pressure point support and the gauge stand, elastic connection mechanism is including connecting in support spring lever (46) of pressure point support side, connecting in gauge stand spring lever (51) of gauge stand to and connect in spring (5) between support spring lever and the gauge stand spring lever.
5. The portable bearing inner ring groove position detector as claimed in claim 4, wherein: the elastic connecting mechanism and the arc-shaped supporting plate are positioned on the same side of the gauge stand.
6. The portable bearing inner ring groove position detector as claimed in claim 4, wherein: the elastic connecting mechanism and the arc-shaped supporting plate are positioned on different sides of the gauge stand.
7. The use method of the portable bearing inner ring groove position detector as claimed in any one of claims 1-6, is characterized in that: it comprises the following steps: applying a certain pressure on the tail end of an extension rod (45), lifting a spherical pressure point (43) under the action of a rotating shaft (41), putting a workpiece to be measured, releasing the pressure of the extension rod (45), applying a certain pressure on the workpiece to be measured under the action of a spring (5) to eliminate the gap between the workpiece to be measured and a ball seat (31), contacting the end surface A of the workpiece to be measured on a measuring head of a torsion spring gauge (6), recording the detection result at the moment as m, rotating the workpiece to be measured for one circle anticlockwise, wherein the detection result is the runout of a bearing inner ring channel relative to the end surface, pressing the extension rod (45) again to remove the workpiece, contacting the end surface B of the workpiece to be measured on the measuring head of the torsion spring gauge (6) according to the method, recording the detection result at the moment as n, and the absolute value of the difference between the two detection results is the groove position e of the workpiece to be measured, namely: | m-n | = e.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010472275.0A CN111811357A (en) | 2020-05-29 | 2020-05-29 | Portable bearing inner ring groove position detector and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010472275.0A CN111811357A (en) | 2020-05-29 | 2020-05-29 | Portable bearing inner ring groove position detector and using method thereof |
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| Publication Number | Publication Date |
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| CN111811357A true CN111811357A (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010472275.0A Pending CN111811357A (en) | 2020-05-29 | 2020-05-29 | Portable bearing inner ring groove position detector and using method thereof |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07217650A (en) * | 1994-02-04 | 1995-08-15 | Nippon Seiko Kk | Method of measuring pre-load clearance of double row rolling bearing and device therefor |
| CN102384734A (en) * | 2011-08-16 | 2012-03-21 | 吉林大学 | Quick calibrating apparatus for turning disc of automobile wheel positioning instrument |
| CN203464880U (en) * | 2013-09-24 | 2014-03-05 | 江苏迪邦三星轴承有限公司 | Device for measuring bearing radial clearance |
| CN205138462U (en) * | 2015-11-11 | 2016-04-06 | 上海人本汽车轴承有限公司 | Bearing axial internal clearance detector |
| CN107449353A (en) * | 2017-09-12 | 2017-12-08 | 上海联合滚动轴承有限公司 | The measurement apparatus and measuring method of a kind of spherical base surface of tapered roller |
| CN208075715U (en) * | 2018-04-08 | 2018-11-09 | 中机洛阳精密装备科技股份有限公司 | A kind of complete cross-section thin-wall bearing inner ring pulsation measurement device |
| CN110763172A (en) * | 2019-12-04 | 2020-02-07 | 航天精工股份有限公司 | Measuring tool and measuring method for spherical bearing part |
| CN211120928U (en) * | 2019-12-18 | 2020-07-28 | 江苏联动轴承股份有限公司 | Multifunctional special detecting instrument for spherical surface and end surface of outer spherical surface bearing |
-
2020
- 2020-05-29 CN CN202010472275.0A patent/CN111811357A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07217650A (en) * | 1994-02-04 | 1995-08-15 | Nippon Seiko Kk | Method of measuring pre-load clearance of double row rolling bearing and device therefor |
| CN102384734A (en) * | 2011-08-16 | 2012-03-21 | 吉林大学 | Quick calibrating apparatus for turning disc of automobile wheel positioning instrument |
| CN203464880U (en) * | 2013-09-24 | 2014-03-05 | 江苏迪邦三星轴承有限公司 | Device for measuring bearing radial clearance |
| CN205138462U (en) * | 2015-11-11 | 2016-04-06 | 上海人本汽车轴承有限公司 | Bearing axial internal clearance detector |
| CN107449353A (en) * | 2017-09-12 | 2017-12-08 | 上海联合滚动轴承有限公司 | The measurement apparatus and measuring method of a kind of spherical base surface of tapered roller |
| CN208075715U (en) * | 2018-04-08 | 2018-11-09 | 中机洛阳精密装备科技股份有限公司 | A kind of complete cross-section thin-wall bearing inner ring pulsation measurement device |
| CN110763172A (en) * | 2019-12-04 | 2020-02-07 | 航天精工股份有限公司 | Measuring tool and measuring method for spherical bearing part |
| CN211120928U (en) * | 2019-12-18 | 2020-07-28 | 江苏联动轴承股份有限公司 | Multifunctional special detecting instrument for spherical surface and end surface of outer spherical surface bearing |
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Application publication date: 20201023 |