CN103363866A - Large-scale rolling bearing axial clearance measuring method - Google Patents

Large-scale rolling bearing axial clearance measuring method Download PDF

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Publication number
CN103363866A
CN103363866A CN2012100891007A CN201210089100A CN103363866A CN 103363866 A CN103363866 A CN 103363866A CN 2012100891007 A CN2012100891007 A CN 2012100891007A CN 201210089100 A CN201210089100 A CN 201210089100A CN 103363866 A CN103363866 A CN 103363866A
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China
Prior art keywords
face
height
outer ring
inner ring
rolling bearing
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Pending
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CN2012100891007A
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Chinese (zh)
Inventor
张亚辉
史松霞
常煜璞
魏闯
杨俊生
李立
张德颖
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Luoyang Bearing Research Institute Co Ltd
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Luoyang Bearing Research Institute Co Ltd
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Priority to CN2012100891007A priority Critical patent/CN103363866A/en
Publication of CN103363866A publication Critical patent/CN103363866A/en
Pending legal-status Critical Current

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  • Rolling Contact Bearings (AREA)

Abstract

A large-scale rolling bearing axial clearance measuring method is disclosed and relates to a measuring platform (5), equal height cushion blocks (4) and a height ruler, wherein the external diameter of a large-scale rolling bearing is greater than 440 mm, the measuring end face of an outer ring (3) is denoted as a end face, the measuring face of an inner ring (1) is denoted as b end face, a face opposite to the a end face is an outer support end face, a face opposite to b end face is an inner support end face, a bearing is horizontally placed on the measuring platform and the equal height cushion blocks are positioned at the outer support end face, a height difference h1 is generated between the inner ring (1) and the outer ring (3) under the effect of gravity, measurement operation is performed every other 90 degrees by using the height ruler, and the average value of measured values obtained from four times of measurement operation is the height difference h1. In the same way, the equal height cushion blocks are arranged at the inner support end face, a height difference h2 is generated between the outer ring and the inner ring under the effect of gravity, the measurement operation is performed every other 90 degrees by using the height ruler, and the average value of measured values obtained from four times of measurement operation is h2, and therefore h1+h2 is the axial clearance value of the large-scale rolling bearing, and the method is simple and practical.

Description

A kind of measuring method of large-size rolling bearing end-play
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Technical field
The invention belongs to the bearing measuring technical field, especially a kind of measuring method of large-size rolling bearing end-play.
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Background technology
Large-size rolling bearing generally refers to the bearing of nominal outside diameter dimension D>440mm.
The generalized definition of bearing clearance refers to: when outer ring fixedly the time, inner ring correspondingly is called end-play or end-play along its radially or axial amount of movement from an extreme position to another extreme position by the direction of its amount of movement.
For the rolling bearing of nominal outside diameter size<440mm, because its physical dimension is less, lightweight, measuring method is many, is easy to realize the instrumentation canonical measure.Yet for large-scale or super-huge rolling bearing, because its physical dimension is large, the heavier difficulty of pulling of weight, apparatus measures is difficult to realize, all the time ripe and relatively more fixing measuring method without comparison also.
A lot of matched host machine have special technical requirement to the end-play of large-size rolling bearing, large-size rolling bearing manufacturer will reserve suitable end-play during fabrication, the normal operation that affects large-size rolling bearing to prevent from occurring after the installment work occurring in mechanically deform and the running heating to expand, if the end-play that need to reserve when the end-play of reserving and work is inconsistent, will affect serviceability and the serviceable life of large-size rolling bearing.
Can will prolong to a great extent the serviceable life of large-size rolling bearing at the end-play of the measurement large-size rolling bearing of making on-the-spot accurate quick, improve the usability of matched host machine.
 
Summary of the invention
For addressing the above problem, the invention provides a kind of measuring method of large-size rolling bearing end-play, this measuring method is simple to operate, and is widely applicable, and measuring accuracy is higher.
For achieving the above object, the present invention adopts following technical scheme:
A kind of measuring method of large-size rolling bearing end-play, this measuring method relates to a measuring table, several highly consistent equal height cushion block and height gauges, large-size rolling bearing refers to the bearing of nominal outside diameter dimension D>440mm, the measurement end face of outer ring is labeled as a end face and the measurement end face of inner ring is labeled as the b end face, the end face opposite with described a end face is called the outer ring and supports end face, the end face opposite with described b end face is called inner ring and supports end face, is equipped with spin between the raceway of outer ring and inner ring; First large-size rolling bearing is lain on the measuring table and between described outer ring support end face and measuring table and place several equal height cushion blocks, several equal height cushion blocks support end face and are the equal even cloth shape of spacing along described outer ring, rotary inner ring is to plateau, this moment inner ring described b end face under himself Action of Gravity Field relatively the described a end face of outer ring produce axial average height difference h1, described height gauge is placed on arbitrary position of described b end face and measures and record the height difference H 1 of this position, be that starting point is measured 1 time every 90 degree from described arbitrary position, measure altogether 4 times, the difference in height of measuring for 4 times is respectively H1, H2, H3 and H4, then axial average height difference h1=(H1+H2+H3+H4)/4; Measure complete again several equal height cushion blocks being placed between described inner ring support end face and the measuring table, several equal height cushion blocks support end face along described inner ring and are the equal even cloth shape of spacing, rotate the outer ring to plateau, this moment the outer ring described a end face under himself Action of Gravity Field relatively the described b end face of inner ring produce axial average height difference h2, described height gauge is placed on arbitrary position of described a end face and measures and record the height difference H 5 of this position, be that starting point is measured 1 time every 90 degree from described arbitrary position, measure altogether 4 times, the difference in height of measuring for 4 times is respectively H5, H6, H7 and H8, axial average height difference h2=(H5+H6+H7+H8)/4 then, h1+h2 is the end-play value of large-size rolling bearing, so far finishes the actual measurement of large-size rolling bearing end-play.
Owing to adopt as mentioned above technical scheme, the present invention produces following good effect:
Only need once large-size rolling bearing to be placed on the measuring table when 1, the present invention measures to get final product, need not pull back and forth large-size rolling bearing, therefore also can not affect the manufacturing accuracy of large-size rolling bearing.
2, measuring method of the present invention have simple to operate, widely applicable, the characteristics of measuring accuracy height.
3, survey instrument used in the present invention is simple, not also can reuse by the restriction of bearing designation, and measurement result accurately, reliably.
 
Description of drawings
Fig. 1 is the instrumentation plan that outer ring of the present invention is lined with equal height cushion block;
Fig. 2 is the instrumentation plan that inner ring of the present invention is lined with equal height cushion block;
Among the above-mentioned figure: 1-inner ring; 2-spin; 3-outer ring; 4-equal height cushion block; 5-measuring table.
 
Embodiment
The present invention is a kind of measuring method of large-size rolling bearing end-play.
Measuring method of the present invention relates to a measuring table 5, several highly consistent equal height cushion block 4 and height gauges, equal height cushion block 4 is milled in advance, the size of measuring table 5 is 1500mm * 1500mm, these survey instruments are simple, not also can reuse by the restriction of bearing designation, measurement result accurately, reliably.
Such as deep groove ball bearing 618/1180 MA/P53, precision P5 level, the external diameter=1420mm of this deep groove ball bearing, internal diameter=1180mm, width=106mm, this deep groove ball bearing belong to large-size rolling bearing one class, require end-play to be controlled between 1.40~1.62mm.
In conjunction with Fig. 1, the measurement end face of this deep groove ball bearing outer ring 3 is labeled as a end face, the measurement end face of this deep groove ball bearing inner ring 1 is labeled as the b end face, the end face opposite with described a end face is called the outer ring and supports end face, the end face opposite with described b end face is called inner ring and supports end face, is equipped with spin 2 between the raceway of outer ring 3 and inner ring 1.
In conjunction with Fig. 1, first this deep groove ball bearing is lain on the measuring table 5 and between described outer ring support end face and measuring table 5 and place several equal height cushion blocks 4, several equal height cushion blocks 4 support end face and are the equal even cloth shape of spacing along described outer ring, rotary inner ring 1 is to plateau, this moment inner ring 1 described b end face under himself Action of Gravity Field relatively the described a end face of outer ring 3 produce axial average height difference h1, described height gauge is placed on arbitrary position of described b end face and measures and record the height difference H 1 of this position, be that starting point is measured 1 time every 90 degree from described arbitrary position, measure altogether 4 times, the difference in height of measuring for 4 times is respectively H1=0.74mm, H2=0.72mm, H3=0.78mm and H4=0.76mm, then axial average height difference h1=(0.74mm+0.72+0.78+0.76)/4=0.75mm.
In conjunction with Fig. 2, measure complete again several equal height cushion blocks 4 being placed between described inner ring support end face and the measuring table, several equal height cushion blocks 4 support end face along described inner ring and are the equal even cloth shape of spacing, rotate outer ring 3 to plateau, this moment the outer ring described a end face under himself Action of Gravity Field relatively the described b end face of inner ring produce axial average height difference h2, described height gauge is placed on arbitrary position of described a end face and measures and record the height difference H 5 of this position, be that starting point is measured 1 time every 90 degree from described arbitrary position, measure altogether 4 times, the difference in height of measuring for 4 times is respectively H5=0.70mm, H6=0.75mm, H7=0.78mm and H8=0.73mm, axial average height difference h2=(0.70+0.75+0.78+0.73)/4=0.74mm then, h1+h2=0.75+0.74=1.49mm is the end-play value of this deep groove ball bearing actual measurement, because h1+h2=1.49mm is between 1.40~1.62mm that end-play will control, the end-play value that this deep groove ball bearing actual measurement is described meets the control requirement, so far finishes the actual measurement of this deep groove ball bearing end-play.
Above-mentioned measuring method only needs once deep groove ball bearing to be placed on the measuring table get final product, need not pull back and forth deep groove ball bearing, so also can not affect the manufacturing accuracy of deep groove ball bearing, have simple to operate, widely applicable, the characteristics of measuring accuracy height.

Claims (1)

1. the measuring method of a large-size rolling bearing end-play, this measuring method relates to a measuring table (5), several highly consistent equal height cushion block (4) and height gauges, large-size rolling bearing refers to the bearing of nominal outside diameter dimension D>440mm, the measurement end face of outer ring (3) is labeled as a end face and the measurement end face of inner ring (1) is labeled as the b end face, the end face opposite with described a end face is called the outer ring and supports end face, the end face opposite with described b end face is called inner ring and supports end face, between the raceway of outer ring (3) and inner ring (1), be equipped with spin (2), it is characterized in that:
First large-size rolling bearing is lain in measuring table (5) and upward and between described outer ring support end face and measuring table (5) place several equal height cushion blocks (4), several equal height cushion blocks (4) support end face and are the equal even cloth shape of spacing along described outer ring, rotary inner ring (1) is to plateau, the described b end face of inner ring this moment (1) under himself Action of Gravity Field relatively the described a end face of outer ring (3) produce axial average height difference h1, described height gauge is placed on arbitrary position of described b end face and measures and record the height difference H 1 of this position, be that starting point is measured 1 time every 90 degree from described arbitrary position, measure altogether 4 times, the difference in height of measuring for 4 times is respectively H1, H2, H3 and H4, then axial average height difference h1=(H1+H2+H3+H4)/4; Measure complete again several equal height cushion blocks (4) being placed between described inner ring support end face and the measuring table, several equal height cushion blocks (4) support end face along described inner ring and are the equal even cloth shape of spacing, rotate outer ring (3) to plateau, the described a end face of outer ring this moment (3) under himself Action of Gravity Field relatively the described b end face of inner ring (1) produce axial average height difference h2, described height gauge is placed on arbitrary position of described a end face and measures and record the height difference H 5 of this position, be that starting point is measured 1 time every 90 degree from described arbitrary position, measure altogether 4 times, the difference in height of measuring for 4 times is respectively H5, H6, H7 and H8, axial average height difference h2=(H5+H6+H7+H8)/4 then, then h1+h2 is the end-play value of large-size rolling bearing, so far finishes the actual measurement of large-size rolling bearing end-play.
CN2012100891007A 2012-03-30 2012-03-30 Large-scale rolling bearing axial clearance measuring method Pending CN103363866A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104061890A (en) * 2014-06-05 2014-09-24 大连冶金轴承股份有限公司 Play adjustment method for platform-free ultra-large type double-row tapered roller bearing
CN104089563A (en) * 2014-07-03 2014-10-08 洛阳轴研科技股份有限公司 Measuring method for spherical radial clearance of large radial spherical plain bearing
CN104154131A (en) * 2014-06-13 2014-11-19 大连冶金轴承股份有限公司 Method for adjusting clearance of four-single-raceway outer ring four-row tapered roller bearing
CN105865395A (en) * 2016-06-17 2016-08-17 中航工业哈尔滨轴承有限公司 Axial clearance measuring method for large-sized bearing
CN107727041A (en) * 2017-09-05 2018-02-23 万向钱潮传动轴有限公司 A kind of method for measuring axial gap after universal joint assembles
CN109253236A (en) * 2018-07-26 2019-01-22 明阳智慧能源集团股份公司 The method of adjustment of the combined Biserial cylindrical roller bearing end-play of wind turbine gearbox
CN111964561A (en) * 2020-08-19 2020-11-20 上海赛科石油化工有限责任公司 Bearing axial clearance measuring method, measuring tool and bearing mounting method
CN113566668A (en) * 2021-08-13 2021-10-29 洛阳轴承研究所有限公司 Assembly measuring method of double-channel series bearing and measuring device for implementing method

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JP2009063515A (en) * 2007-09-07 2009-03-26 Nsk Ltd Bearing-measuring instrument
CN201302440Y (en) * 2008-11-20 2009-09-02 瓦房店轴承集团有限责任公司 Simple detection device for axial play of cylindrical roller bearing
CN201322594Y (en) * 2008-12-24 2009-10-07 襄阳汽车轴承股份有限公司 Bearing axial clearance measuring apparatus

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US5497559A (en) * 1994-02-04 1996-03-12 Nsk Ltd. Method of measuring preload clearance in double row rolling bearing and apparatus therefore
CN1193725A (en) * 1998-02-26 1998-09-23 浙江万向特种轴承有限公司 Method for measuring axial clearance of double-row conical bearing
JP2009063515A (en) * 2007-09-07 2009-03-26 Nsk Ltd Bearing-measuring instrument
CN201302440Y (en) * 2008-11-20 2009-09-02 瓦房店轴承集团有限责任公司 Simple detection device for axial play of cylindrical roller bearing
CN201322594Y (en) * 2008-12-24 2009-10-07 襄阳汽车轴承股份有限公司 Bearing axial clearance measuring apparatus

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104061890A (en) * 2014-06-05 2014-09-24 大连冶金轴承股份有限公司 Play adjustment method for platform-free ultra-large type double-row tapered roller bearing
CN104154131A (en) * 2014-06-13 2014-11-19 大连冶金轴承股份有限公司 Method for adjusting clearance of four-single-raceway outer ring four-row tapered roller bearing
CN104089563A (en) * 2014-07-03 2014-10-08 洛阳轴研科技股份有限公司 Measuring method for spherical radial clearance of large radial spherical plain bearing
CN105865395A (en) * 2016-06-17 2016-08-17 中航工业哈尔滨轴承有限公司 Axial clearance measuring method for large-sized bearing
CN107727041A (en) * 2017-09-05 2018-02-23 万向钱潮传动轴有限公司 A kind of method for measuring axial gap after universal joint assembles
CN109253236A (en) * 2018-07-26 2019-01-22 明阳智慧能源集团股份公司 The method of adjustment of the combined Biserial cylindrical roller bearing end-play of wind turbine gearbox
CN111964561A (en) * 2020-08-19 2020-11-20 上海赛科石油化工有限责任公司 Bearing axial clearance measuring method, measuring tool and bearing mounting method
CN113566668A (en) * 2021-08-13 2021-10-29 洛阳轴承研究所有限公司 Assembly measuring method of double-channel series bearing and measuring device for implementing method

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Application publication date: 20131023