CN202814308U - Measuring device for bearing washer inner circular arc surface - Google Patents
Measuring device for bearing washer inner circular arc surface Download PDFInfo
- Publication number
- CN202814308U CN202814308U CN 201220501850 CN201220501850U CN202814308U CN 202814308 U CN202814308 U CN 202814308U CN 201220501850 CN201220501850 CN 201220501850 CN 201220501850 U CN201220501850 U CN 201220501850U CN 202814308 U CN202814308 U CN 202814308U
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- CN
- China
- Prior art keywords
- bearing washer
- arc surface
- circular arc
- washer inner
- inner circular
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
A measuring device for a bearing washer inner circular arc surface of the utility model comprises a bracket, a bearing washer, a standard steel ball of the same curvature with the bearing washer inner circular arc surface, and a lever dial gauge whose measuring point is a small plane. The bracket includes a plane table station used for placing the bearing washer, a vertical rod upwardly installed on the plane table station, and a transverse rod installed on an upper portion of the vertical rod. The lever dial gauge is installed on the transverse rod. The measuring device for the bearing washer inner circular arc surface has the advantages that the structure is simple, the using is convenient, the measuring device for the bearing washer inner circular arc surface is accurate and reliable, and the measuring device for the bearing washer inner circular arc surface can accurately measure whether the bearing washer inner circular arc surface is qualified, which is difficult to measure in the normal method.
Description
Technical field
The invention belongs to measuring equipment and measuring method, relate to a kind of measurement mechanism of bearing washer inner arc surface.
Background technology
The external centre-adjusting thrust ball bearing belongs to a kind of of thrust ball bearing, and unidirectional external centre-adjusting thrust ball bearing can bear unidirectional axial load, and two-way external centre-adjusting thrust ball bearing can bear the bi-directional axial load.Can in the production run, the Measurement accuracy of the packing ring arc size of external centre-adjusting thrust ball bearing be an industry difficult problem always, and whether the accuracy of measurement is related to product qualified, assemble and use thereby affect product.
Detection method in the past is, because arc surface is comprised of numerous circle, can not measure one by one, so select two circles of specified diameter as measurement point at arc surface, for example diameter is two circles of 23 and 26 millimeters, measure the height dimension of these two circles, but on circular arc, be difficult to determine that diameter is the position of 23 and 26 millimeters two circles, also just be difficult to measure accurate desired height dimension.Diameter is that the position of 23 and 26 millimeters two circles and height dimension are by calculating one to one, all circle corresponding height dimension one by one all above the circular arc, and selected two circles are two representative circles.
Summary of the invention
The present invention is in order to remedy the deficiencies in the prior art, and a kind of simple in structure, easy to use, measurement mechanism of bearing washer inner arc surface accurately and reliably is provided.
The present invention is achieved through the following technical solutions:
The measurement mechanism of bearing washer inner arc surface of the present invention, its special character is: comprise that support, standard steel ball and measuring point that curvature is identical with the bearing washer inner arc surface are faceted dial test indicators, support comprises for the flat table platform of placing bearing washer, upwards be installed in the vertical rod on the flat table platform and be installed in the cross bar on vertical rod top, and dial test indicator is installed on the cross bar.
Preferred version is, with the standard steel ball Measurement accuracy bearing washer inner arc surface height dimension that lacks a part.Standard steel ball bottom surface lacks a part, avoids contact plane table platform below the standard steel ball.
The measuring method of bearing washer inner arc surface may further comprise the steps:
(1) bearing washer is placed on the flat table platform;
(2) the standard steel ball is placed on the fully contact of inner arc surface the inside of bearing washer, allows the part that lacks of standard steel ball avoid below contact plane table platform;
(3) dial test indicator is installed on the cross bar, and dial test indicator and standard steel ball contact portion are a facet, and the dial test indicator contact is recorded the reading of dial test indicator at the peak of standard steel ball; This reading represents that in margin tolerance height dimension is qualified between the interior circular arc of this bearing washer and the lower plane.
The invention has the beneficial effects as follows, simple in structure, easy to use, accurately and reliably, by contacting fully of circular arc in standard steel ball and the bearing washer, utilize the facet of the dial test indicator measurement point that contacts with standard steel ball top, read the reading of dial test indicator, and with standard-required contrast, judge whether the bearing washer inner arc surface qualified, but like this between the Measurement accuracy bearing washer inner arc surface that is difficult to measure with normal method and the lower plane height dimension whether qualified.
Description of drawings
Fig. 1 is use synoptic diagram of the present invention.
Among the figure, 01: standard steel ball, 02: bearing washer, 03: flat table platform, 04: dial test indicator, 05: cross bar, 06: vertical rod.
Embodiment
Accompanying drawing is a kind of specific embodiment of the present invention.
The measurement mechanism of bearing washer inner arc surface of the present invention, comprise that support, bearing washer 02, standard steel ball 01 and measuring point that curvature is identical with the bearing washer inner arc surface are faceted dial test indicators 04, support comprises for the flat table platform 03 of placing bearing washer, upwards be installed in the vertical rod 06 on the flat table platform and be installed in the cross bar 05 on vertical rod top, and dial test indicator 04 is installed on the cross bar.With the standard steel ball Measurement accuracy bearing washer inner arc surface height dimension that lacks a part.Standard steel ball bottom surface lacks a part, avoids contact plane table platform below the standard steel ball.
The measuring method of bearing washer inner arc surface of the present invention may further comprise the steps:
When 1, measuring bearing washer 02 is placed on the flat table platform 03;
2, the curvature standard steel ball 01 identical with the bearing washer circular arc is placed on the fully contact of inner arc surface the inside of bearing washer 02, allows standard steel ball 01 lack part and avoid below contact plane table platform;
3, dial test indicator 04 is installed on the cross bar 05, dial test indicator and standard steel ball 01 contact portion are a facet, the dial test indicator contact is at the peak of standard steel ball, can make the peak that guarantees to measure when measuring at the standard steel ball, the reading of record dial test indicator; Height dimension is qualified between the interior circular arc of this bearing washer of expression of this reading in margin tolerance and the lower plane.
4, take off standard steel ball and bearing washer, according to the reading of dial test indicator corresponding to above other bearing washer of step survey record.
At first calculate the distance X from the bearing washer lower plane to the steel ball top during measurement, dial test indicator 04 is installed on the cross bar 05, dial test indicator and standard steel ball 01 contact portion are a facet, with the same high gauge block his-and-hers watches with result of calculation, generalized case be will table reading to 0 scale, can directly measure like this height at circular arc place in the bearing washer, solve the problem that bearing washer crown height size is difficult to Measurement accuracy.
This project is a kind of external centre-adjusting thrust ball bearing measuring method, and survey instrument is that faceted dial test indicator 04 6 major parts form by flat table platform 03, vertical rod 06, cross bar 05, bearing washer 02, standard steel ball 01, measuring point that curvature is identical with the bearing washer circular arc.By contacting fully of standard steel ball and bearing washer circular arc, utilize the facet of the dial test indicator measurement point that contacts with standard steel ball top, but whether Measurement accuracy is qualified with the size of the bearing washer inner arc surface that normal method is difficult to measure, and namely whether the round place height of all diameters of inner arc surface is qualified.
This detection method is that standard steel ball and arc surface fit like a glove, for example diameter is two circles of 23 and 26 millimeters, their place height can calculate by theoretical value, and the theoretical value of the overall height dimension X of steel ball and bearing washer is to be that 23 and 26 millimeters the height of circle and two diameter of a circles of regulation calculate by diameter.When therefore measuring, if size X meets the requirements, the height dimension of two circles of regulation just necessarily meets the requirements.
Claims (2)
1. the measurement mechanism of a bearing washer inner arc surface, it is characterized in that: comprise that support, standard steel ball and measuring point that curvature is identical with the bearing washer inner arc surface are faceted dial test indicators, support comprises for the flat table platform of placing bearing washer, upwards be installed in the vertical rod on the flat table platform and be installed in the cross bar on vertical rod top, and dial test indicator is installed on the cross bar.
2. the measurement mechanism of bearing washer inner arc surface according to claim 1 is characterized in that: with the standard steel ball Measurement accuracy bearing washer inner arc surface height dimension that lacks a part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220501850 CN202814308U (en) | 2012-09-28 | 2012-09-28 | Measuring device for bearing washer inner circular arc surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220501850 CN202814308U (en) | 2012-09-28 | 2012-09-28 | Measuring device for bearing washer inner circular arc surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202814308U true CN202814308U (en) | 2013-03-20 |
Family
ID=47873170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220501850 Expired - Fee Related CN202814308U (en) | 2012-09-28 | 2012-09-28 | Measuring device for bearing washer inner circular arc surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202814308U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865793A (en) * | 2012-09-28 | 2013-01-09 | 山东湖西王集团有限公司 | Device and method for measuring internal arc surface of bearing gasket |
| CN103267463A (en) * | 2013-04-25 | 2013-08-28 | 广东电网公司电力科学研究院 | Measuring device for spring washer elasticity test and measuring method thereof |
-
2012
- 2012-09-28 CN CN 201220501850 patent/CN202814308U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865793A (en) * | 2012-09-28 | 2013-01-09 | 山东湖西王集团有限公司 | Device and method for measuring internal arc surface of bearing gasket |
| CN102865793B (en) * | 2012-09-28 | 2015-08-05 | 山东湖西王集团有限公司 | The measurement mechanism of bearing washer inner arc surface and measuring method |
| CN103267463A (en) * | 2013-04-25 | 2013-08-28 | 广东电网公司电力科学研究院 | Measuring device for spring washer elasticity test and measuring method thereof |
| CN103267463B (en) * | 2013-04-25 | 2015-12-23 | 广东电网公司电力科学研究院 | For measurement mechanism and the measuring method thereof of spring washer elasticity test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20160928 |