CN114646249A - Device and method for detecting width variation of super-huge type bearing ring - Google Patents
Device and method for detecting width variation of super-huge type bearing ring Download PDFInfo
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- CN114646249A CN114646249A CN202210335582.3A CN202210335582A CN114646249A CN 114646249 A CN114646249 A CN 114646249A CN 202210335582 A CN202210335582 A CN 202210335582A CN 114646249 A CN114646249 A CN 114646249A
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 238000004364 calculation method Methods 0.000 claims description 8
- 238000000691 measurement method Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 12
- 230000007547 defect Effects 0.000 description 1
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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
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention relates to the field of bearing geometric precision detection, in particular to a device and a method for detecting the width variation of an extra-large bearing ring. The device for detecting the width variation of the super-huge type bearing ring comprises a T-shaped frame consisting of a vertical support and a base, wherein the bottom surface of the vertical support is vertically intersected with the width central line of the base, a vertically arranged strip-shaped groove I is formed in the vertical support, a gauge frame is arranged in the strip-shaped groove I, and the gauge frame can move up and down along the strip-shaped groove; the meter frame is provided with a strip-shaped groove for mounting a measuring instrument; the base is provided with two strip-shaped grooves II symmetrically distributed at two ends of the width central line of the base and a strip-shaped groove III arranged on the width central line of the base; auxiliary positioning pillars are arranged in the two strip-shaped grooves II; the height of the auxiliary positioning support is greater than or equal to the width 1/3 of the tested ferrule; and a fixed measuring fulcrum is arranged in the strip-shaped groove III. The invention realizes the continuous measurement of the width dimension precision of the super-huge type bearing ring.
Description
Technical Field
The invention relates to the field of bearing geometric precision detection, in particular to a device and a method for detecting the width variation of an extra-large bearing ring.
Background
The width tolerance of the oversize bearing ring is larger, and an external micrometer and a caliper are usually adopted for measuring the absolute size; however, since both end surfaces of the ferrule are the processing standards in the subsequent process, the accuracy of the width variation is also required to be high.
The width of the super-huge type bearing ring is usually detected by an outside micrometer or a caliper, and because the product specification is large, a single point needs to be measured for many times during measurement, and sometimes multiple persons are needed to cooperate, so that the technical level and proficiency of a measurer are high, and meanwhile, the measurement environment is limited, so that the measurement is extremely inconvenient, and the defects of large measurement error and low measurement efficiency exist, therefore, the continuous and accurate detection of the width parameter of the ring is very important.
Disclosure of Invention
In order to solve the technical problems, the invention provides a device and a method for detecting the width variation of an extra-large bearing ring, so as to realize the continuous measurement of the width dimensional accuracy of the extra-large bearing ring, ensure the subsequent processing accuracy of the extra-large bearing ring and the reliability of a finished product and further prolong the service life of the extra-large bearing.
The invention adopts the following technical scheme for achieving the purpose:
a detection device for the width variation of an extra-large bearing ring is provided with a T-shaped frame consisting of a vertical support and a base, wherein the bottom surface of the vertical support is vertically intersected with the width central line of the base, a vertically arranged strip-shaped groove I is formed in the vertical support, a gauge frame is arranged in the strip-shaped groove I, and the gauge frame can move up and down along the strip-shaped groove; the meter frame is provided with a strip-shaped groove for mounting a measuring instrument; the base is provided with two strip-shaped grooves II symmetrically distributed at two ends of the width central line of the base and a strip-shaped groove III arranged on the width central line of the base; auxiliary positioning pillars are arranged in the two strip-shaped grooves II; the height of the auxiliary positioning support is greater than or equal to the width 1/3 of the tested ferrule; and a fixed measuring fulcrum is arranged in the strip-shaped groove III and is locked by a fixing nut, and the connecting line of the fixed measuring fulcrum and the measuring instrument is vertical to the base and forms two measuring points for measuring the size by a two-point method.
The measuring instrument is a circular dial indicator.
The method for detecting the width variation of the oversize bearing ring by using the detection device comprises the following specific steps:
firstly, selecting a height block with an applicable specification according to the width of a ferrule to be tested;
step two, mounting two auxiliary positioning pillars in two strip-shaped grooves II of the T-shaped frame base and locking the two auxiliary positioning pillars by using fixing nuts, wherein the height of the two auxiliary positioning pillars is more than or equal to the width 1/3 of the tested ferrule;
step three, mounting the fixed measuring fulcrum in a strip-shaped groove III of the T-shaped frame base, adjusting the position of the fixed measuring fulcrum according to the width of the end face of the ferrule to be measured, and locking the fixed measuring fulcrum by using a fixing nut;
regulating the position of the gauge stand in the annular groove of the T-shaped frame upright post according to the width of the measured ferrule;
mounting the measuring instrument on the meter frame, and adjusting the position of the instrument to enable a connecting line of the instrument and the fixed measuring fulcrum to be vertical to the T-shaped frame base;
sixthly, zeroing the measuring instrument of the assembled detection device by using a height block;
step seven, placing the detection device of the good meter on the ferrule to be detected;
1) measuring outer ring width
The two auxiliary positioning pillars are respectively in good contact with the outer diameter surface of the outer ring to be measured, and meanwhile, the fixed measuring fulcrum and the instrument measuring head are respectively in good contact with the end face of the ferrule; recording the nominal size of the width of the measured outer ring as C, the deviation of the single width of the measured outer ring is deltaCsThe variation of the width of the outer ring to be measured is VCsAverage width deviation delta of measured outer ringCmThe measurement and calculation method of (2) is as follows:
the detection device slowly rotates for more than one circle along the outer diameter surface and the end surface of the measured outer ring at a constant speed, and the indication value variation of the measuring instrument at any point on the end surface of the measured outer ring is the single width deviation delta of the measured ferruleCs；
Recording the maximum and minimum indicating value change of the measuring instrument, namely deltaCsmaxAnd ΔCsminThen, then
The variation of the width of the outer ring to be measured is VCs＝ΔCsmax-ΔCsmin；
The average width deviation of the measured outer ring is
2) Measuring inner ring width
Two auxiliary positioning pillars are respectively in good contact with the inner diameter surface of the inner ring to be measuredWhen in use, the fixed measuring fulcrum and the instrument measuring head are respectively in good contact with the end face of the ferrule; recording the nominal size of the width of the measured inner ring as B, the single width deviation of the measured inner ring is deltaBsThe measured inner ring width variation amount is VBsAverage width deviation delta of measured inner ringBmThe measurement and calculation method of (2) is as follows:
the detection device slowly rotates for more than one circle along the inner diameter surface and the end surface of the measured inner ring at a uniform speed, and the indicating value variation of the measuring instrument at any point on the end surface of the measured inner ring is the single width deviation delta of the measured inner ringBs；
Recording the maximum and minimum indicating value change of the measuring instrument, namely deltaBsmaxAnd ΔBsminThen, then
The width variation of the measured inner ring is VBs＝ΔBsmax-ΔBsmin；
The average width deviation of the measured inner ring is
The invention provides a device for detecting the width variation of an extra-large bearing ring, which adopts the technical scheme to realize the continuous measurement of the width dimension precision of the extra-large bearing ring, so that the width deviation and the variation of the extra-large bearing ring are accurately measured and controlled, and the precision of the finished extra-large bearing is finally ensured.
Drawings
Fig. 1 is a perspective view of the structure of the present invention.
Fig. 2 is a front view of the present invention.
FIG. 3 is a schematic view of the outer ring measurement of the present invention.
FIG. 4 is a schematic illustration of the inner circle measurement of the present invention.
In the figure: 1. the device comprises a T-shaped frame, 2 auxiliary positioning pillars, 3 fixed measuring fulcrums, 4 meter frames, 5 measuring instruments, 6 locking screws, 7 fixing nuts.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in figures 1-4, the device for detecting the width variation of the oversize bearing ring comprises a T-shaped frame 1, a T-shaped frame 2, an auxiliary positioning support column 3, a fixed measuring fulcrum 4, a meter frame 5, a measuring instrument 6, a locking screw 7 and a fixing nut.
The detection method using the above device is described as follows:
firstly, selecting a height block with an applicable specification according to the width of a ferrule to be tested;
step two, mounting two auxiliary positioning pillars in two annular grooves of the base of the T-shaped frame and locking the two auxiliary positioning pillars by using fixing nuts, wherein the height of each two upright columns is more than or equal to the width 1/3 of the measured ferrule;
step three, mounting the fixed measuring fulcrum on an annular groove of the T-shaped frame base, adjusting the position of the fixed measuring fulcrum according to the width of the measured ferrule, and locking the fixed measuring fulcrum by using a fixing nut;
regulating the position of the gauge stand in the annular groove of the T-shaped frame upright post according to the width of the measured ferrule;
mounting the measuring instrument on the meter frame, and adjusting the position of the measuring instrument to enable a connecting line of the measuring instrument and a fixed measuring fulcrum to be vertical to the T-shaped frame base;
sixthly, zeroing the measuring instrument of the assembled detecting device by using a height block;
step seven, placing the detection device of the good meter on the ferrule to be detected;
3) measuring outer ring width
The two auxiliary positioning pillars are respectively in good contact with the outer diameter surface of the outer ring to be measured, and meanwhile, the fixed measuring fulcrum and the instrument measuring head are respectively in good contact with the end face of the ferrule; recording the nominal size of the width of the measured outer ring as C, the deviation of the single width of the measured outer ring is deltaCsThe variation of the width of the outer ring to be measured is VCsAverage width deviation delta of measured outer ringCmThe measurement and calculation method of (2) is as follows:
the detection device slowly rotates for more than one circle along the outer diameter surface and the end surface of the detected outer ring at a uniform speed, and the indication value variation of the measuring instrument at any point on the end surface of the detected outer ring is the single width deviation delta of the detected outer ringCs；
Recording maximum and minimum of measuring instrumentIndicating the amount of change in value, i.e. deltaCsmaxAnd ΔCsminThen, then
The variation of the width of the outer ring to be measured is VCs＝ΔCsmax-ΔCsmin；
The average width deviation of the measured outer ring is
Taking the self-aligning roller bearing FD-240/950-XX for wind power as an example, the technical parameters are that the width C of an outer ring is 412mm, and the deviation is [ -0.3, -0.5 ] mm.
Measuring the delta by using a dial indicator according to the outer ring width measuring methodCsmax＝-0.3mm，ΔCsmin-0.35mm, then by correlation calculation:
the variation of the width of the outer ring of the bearing is
VCs＝ΔCsmax-ΔCsmin＝-0.3-(-0.35)＝0.05mm；
The bearing outer ring has an average width deviation of
4) Measuring inner ring width
Two auxiliary positioning pillars are respectively in good contact with the inner diameter surface of the inner ring to be measured, and meanwhile, a fixed measuring fulcrum and an instrument measuring head are respectively in good contact with the end face of the ferrule; recording the nominal size of the width of the measured inner ring as B, the single width deviation of the measured inner ring is deltaBsThe measured inner ring width variation amount is VBsAverage width deviation delta of measured inner ringBmThe measurement and calculation method of (2) is as follows:
the detection device slowly rotates for more than one circle along the inner diameter surface and the end surface of the measured inner ring at a uniform speed, and the indicating value variation of the measuring instrument at any point on the end surface of the measured inner ring is the single width deviation delta of the measured inner ringBs；
Recording the maximum and minimum indicating value change of the measuring instrument, namely deltaBsmaxAnd ΔBsminThen, then
The width variation of the measured inner ring is VBs＝ΔBsmax-ΔBsmin；
The average width deviation of the measured inner ring is
Taking the self-aligning roller bearing FD-240/950-XX for wind power as an example, the technical parameters are that the width B of an inner ring is 412mm, and the deviation is [ -0.3, -0.5 ] mm.
Measuring Delta according to the inner ring width measuring methodBsmax＝-0.35mm，ΔBsmin-0.4mm, then by correlation calculation:
the variation of the width of the bearing inner ring is
VBs＝ΔBsmax-ΔBsmin＝-0.35-(-0.4)＝0.05mm；
The bearing inner ring has an average width deviation of
The detection device is simple in structure and convenient and fast to use, utilizes the two-point method size measurement principle, can accurately obtain the width size precision value of the detected ferrule by simply calculating detection data, reduces the measurement error of detection by adopting an outer micrometer and a caliper, and ensures the processing precision of the super-large bearing ferrule and the reliability of a finished product.
The present invention is not described in detail in the prior art.
Claims (2)
1. The utility model provides a detection device of super-huge bearing ring width variation, its characterized in that: the detection device is provided with a T-shaped frame consisting of a vertical support and a base, wherein the bottom surface of the vertical support is vertically intersected with the width center line of the base, a vertically arranged strip-shaped groove I is formed in the vertical support, a meter frame is arranged in the strip-shaped groove I, and the meter frame can move up and down along the strip-shaped groove; the meter frame is provided with a strip-shaped groove for mounting a measuring instrument; the base is provided with two strip-shaped grooves II symmetrically distributed at two ends of the width central line of the base and a strip-shaped groove III arranged on the width central line of the base; auxiliary positioning pillars are arranged in the two strip-shaped grooves II; the height of the auxiliary positioning support is greater than or equal to the width 1/3 of the tested ferrule; and a fixed measuring fulcrum is arranged in the strip-shaped groove III and is locked by a fixing nut, and the connecting line of the fixed measuring fulcrum and the measuring instrument is vertical to the base and forms two measuring points for measuring the size by a two-point method.
2. The method for detecting the width variation of the oversize bearing ring by using the device for detecting the width variation of the oversize bearing ring, disclosed by claim 1, comprises the following specific steps:
firstly, selecting a height block with an applicable specification according to the width of a ferrule to be tested;
step two, mounting two auxiliary positioning pillars in two strip-shaped grooves II of the T-shaped frame base and locking the two auxiliary positioning pillars by using fixing nuts, wherein the height of the two auxiliary positioning pillars is more than or equal to the width 1/3 of the tested ferrule;
thirdly, mounting a fixed measuring fulcrum on an annular groove of the T-shaped frame base, adjusting the position of the fixed measuring fulcrum according to the width of the measured ferrule, and locking the fixed measuring fulcrum by using a fixing nut;
regulating the position of the gauge stand in the annular groove of the T-shaped frame upright post according to the width of the measured ferrule;
mounting the measuring instrument on the meter frame, and adjusting the position of the instrument to enable a connecting line of the instrument and the fixed measuring fulcrum to be vertical to the T-shaped frame base;
sixthly, zeroing the measuring instrument of the assembled detecting device by using a height block;
step seven, placing the detection device of the good meter on the ferrule to be detected;
1) measuring outer ring width
The two auxiliary positioning pillars are respectively in good contact with the outer diameter surface of the outer ring to be measured, and meanwhile, the fixed measuring fulcrum and the instrument measuring head are respectively in good contact with the end surface of the outer ring; recording the nominal size of the width of the measured outer ring as C, the deviation of the single width of the measured outer ring is deltaCsThe variation of the width of the outer ring to be measured is VCsAverage width deviation delta of measured outer ringCmThe measurement and calculation method of (2) is as follows:
the detection device slowly rotates for more than one circle along the outer diameter surface and the end surface of the detected outer ring at a uniform speed, and the indication value variation of the measuring instrument at any point on the end surface of the detected outer ring is the single width deviation delta of the detected outer ringCs；
Recording the maximum and minimum indicating value change of the measuring instrument, namely deltaCsmaxAnd ΔCsminThen, then
The variation of the width of the outer ring to be measured is VCs＝ΔCsmax-ΔCsmin；
The average width deviation of the measured outer ring is
2) Measuring inner ring width
Two auxiliary positioning struts are respectively in good contact with the inner diameter surface of the measured inner ring, and meanwhile, a fixed measuring fulcrum and an instrument measuring head are respectively in good contact with the end face of the ferrule; recording the nominal size of the width of the measured inner ring as B, the single width deviation of the measured inner ring is deltaBsThe width variation of the measured inner ring is VBsAverage width deviation delta of measured inner ringBmThe measurement and calculation method of (2) is as follows:
the detection device slowly rotates at a constant speed for more than one circle along the inner diameter surface and the end surface of the measured inner ring, and the indicating value variation of the measuring instrument at any point on the end surface of the measured inner ring is the single width deviation delta of the measured inner ringBs；
Recording the maximum and minimum indicating value change of the measuring instrument, namely deltaBsmaxAnd ΔBsminThen, then
The width variation of the measured inner ring is VBs＝ΔBsmax-ΔBsmin；
The average width deviation of the measured inner ring is
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210335582.3A CN114646249A (en) | 2022-03-31 | 2022-03-31 | Device and method for detecting width variation of super-huge type bearing ring |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210335582.3A CN114646249A (en) | 2022-03-31 | 2022-03-31 | Device and method for detecting width variation of super-huge type bearing ring |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0742927U (en) * | 1993-12-31 | 1995-08-11 | 株式会社大和精密製作所 | Track diameter measuring device for bearing outer ring |
| CN201116866Y (en) * | 2007-11-29 | 2008-09-17 | 洛阳Lyc轴承有限公司 | Modified bearing measurement instrument positioning supporting point |
| CN102338627A (en) * | 2011-04-25 | 2012-02-01 | 大连联合风电轴承有限公司 | Instrument for measuring height of large bearing, height of ring and variation |
| CN203364737U (en) * | 2013-07-03 | 2013-12-25 | 洛阳Lyc轴承有限公司 | An apparatus for measuring the circularity of the inner/outer surface of a large/medium-sized bearing ring |
| CN206479129U (en) * | 2017-01-24 | 2017-09-08 | 宁夏菲斯克汽车轮毂轴承有限公司 | A kind of bearing testers |
| CN207797965U (en) * | 2017-12-25 | 2018-08-31 | 长兴衡鑫仪表科技有限公司 | A kind of end surface of bearing ring warpage detector |
| CN208458600U (en) * | 2018-07-06 | 2019-02-01 | 大连光扬轴承制造有限公司 | A kind of multinomial one-shot measurement instrument of end surface of bearing ring |
| CN211855263U (en) * | 2020-03-26 | 2020-11-03 | 洛阳Lyc轴承有限公司 | Multifunctional bearing detection device |
| CN113218347A (en) * | 2021-04-20 | 2021-08-06 | 大连理工大学 | Device for coaxially assembling and measuring rotating member |
-
2022
- 2022-03-31 CN CN202210335582.3A patent/CN114646249A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0742927U (en) * | 1993-12-31 | 1995-08-11 | 株式会社大和精密製作所 | Track diameter measuring device for bearing outer ring |
| CN201116866Y (en) * | 2007-11-29 | 2008-09-17 | 洛阳Lyc轴承有限公司 | Modified bearing measurement instrument positioning supporting point |
| CN102338627A (en) * | 2011-04-25 | 2012-02-01 | 大连联合风电轴承有限公司 | Instrument for measuring height of large bearing, height of ring and variation |
| CN203364737U (en) * | 2013-07-03 | 2013-12-25 | 洛阳Lyc轴承有限公司 | An apparatus for measuring the circularity of the inner/outer surface of a large/medium-sized bearing ring |
| CN206479129U (en) * | 2017-01-24 | 2017-09-08 | 宁夏菲斯克汽车轮毂轴承有限公司 | A kind of bearing testers |
| CN207797965U (en) * | 2017-12-25 | 2018-08-31 | 长兴衡鑫仪表科技有限公司 | A kind of end surface of bearing ring warpage detector |
| CN208458600U (en) * | 2018-07-06 | 2019-02-01 | 大连光扬轴承制造有限公司 | A kind of multinomial one-shot measurement instrument of end surface of bearing ring |
| CN211855263U (en) * | 2020-03-26 | 2020-11-03 | 洛阳Lyc轴承有限公司 | Multifunctional bearing detection device |
| CN113218347A (en) * | 2021-04-20 | 2021-08-06 | 大连理工大学 | Device for coaxially assembling and measuring rotating member |
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Application publication date: 20220621 |