CN108775881A - A kind of bearing outer end face running accuracy On-line Measuring Method - Google Patents
A kind of bearing outer end face running accuracy On-line Measuring Method Download PDFInfo
- Publication number
- CN108775881A CN108775881A CN201810528371.5A CN201810528371A CN108775881A CN 108775881 A CN108775881 A CN 108775881A CN 201810528371 A CN201810528371 A CN 201810528371A CN 108775881 A CN108775881 A CN 108775881A
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- China
- Prior art keywords
- bearing
- measured
- outer ring
- outer end
- running accuracy
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Classifications
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
Abstract
The invention discloses a kind of bearing outer end face running accuracy On-line Measuring Methods, including step 1, bearing to be measured to transmit automatically；Step 2, bearing inner race limits；Step 3, bearing jacking to be measured；Step 4, bearing outer ring limits；Step 5, Internal and external cycle bearing disappears gap；Step 6, bearing outer end face running accuracy detects：At least two circle of rotary teeth wheel rotation, drives the outer ring rotating of rotating circular disk and bearing to be measured；At the same time, range sensor is detected the running accuracy of bearing outer end face；Step 7, detection device resets, and repeats step 1 to step 6, carries out the detection of next bearing to be measured.The present invention can online test the outer end face running accuracy of every bearing, and entire test process is automatically performed, and high degree of automation, the testing time is short, can meet the automated production demand of high-precision bearing.
Description
Technical field
The present invention relates to a kind of Bearing testing method, especially a kind of bearing outer end face running accuracy On-line Measuring Method.
Background technology
Bearing rotation precision is the lifeline of bearing, is the key that examine bearing enterprise Quality Control and cost accounting, especially
In all multi objectives of bearing, the quality of running accuracy means that its identity is true and false and whether buys the choice used substantially.
By the retrieval of domestic and foreign literature, however, the research data at present about bearing rotation precision detection device is less,
Only have in national standard and patent application No. is 201310434852.7 at present mentioned.
A kind of dress measuring bearing rotation precision is disclosed in national standard GB/307.2-1995 Bearing testing national standards
It sets, which includes high-precision mandrel, spigot edge, hollow step, metal weights（It is referred to as accessory kit）With other cooperation cores
The auxiliary equipment of axis.When detection, various mandrels, the Internal and external cycle of spigot edge Set and Positioning bearing are utilized；Including needs
Apply the different weight counterweight for the gap that disappears on outer ring respectively.Under the rotation and static position of control bearing Internal and external cycle respectively,
The axially and radially bounce of the inner ring, outer ring of bearing is measured one by one.
Application No. is 201310434852.7 Chinese invention patent application, innovation and creation it is entitled：It is " a kind of portable
Formula bearing rotation precision comprehensive detection platform " comprising along bearing to be measured radially under symmetrically arranged bearing chucking diameter can
Adjust structural unit, and to fix two bearing chucking diameter adjustable structure units and the disappear dynamic of gap of bearing to be measured disappears
Gap unit and the gap component that disappears.If each bearing chucking diameter adjustable structure unit includes disk, is uniformly arranged along disk circumference
The limit bar unit being slidably connected in dry bearings plate and each bearings plate vertical side edge.Each bearings plate
It is slidably connected with disk.The limit bar unit has limit function when bearing clamping to be measured, including to bearing to be measured
The baffle of thickness limit and the gag lever post limited to bearing inner race to be measured or outer ring.The dynamic, which disappears, gap unit and to disappear gap component
It is fixedly connected by the adjustable gap silk rope that disappears of length, the other end is individually fixed on the centre bore of disk.The disk with it is every
It is both provided with radial adjusting rails between a bearings plate；Between the both ends and disk, bearings plate of the radial adjusting rails
Slidable connection.The dynamic disappear gap unit include mutual sheathing outer barrel, middle cylinder and inner cylinder；Line length tune is provided in the inner cylinder
Part is saved, is provided at the top of inner cylinder in the gap of hollow screw, middle cylinder and inner cylinder and hollow screw and is filled with spring；The hollow spiral shell
Bar is scalable；The outer barrel bottom is securable on the centre bore of disk.The disappear inner cylinder bottom of gap unit of the dynamic is provided with
Bearing, the bearing can drive inner cylinder and hollow screw to rotate.The dynamic disappears, and to be provided with several scalable for the middle cylinder of gap unit
Gear, be set with the snap-on cap locked to gear outside cylinder in this.The gap component that disappears includes that there is the centering of step to disappear gap
Part, which, which disappears, is fixed with the lifting silk rope that can be pulled at the top of gap part, and the centering gap part bottom that disappears is fixed with the gap silk rope that disappears, should
The other end of the gap that disappears silk rope is fixedly connected with line length regulating part；The disappear step of gap part of the centering can be positioned over the centre bore of disk
On.
Above-mentioned two in the prior art, and there is deficiencies：When bearing rotation precision is tested, it is required to manually offline
It is tested, it is long that test process expends the time.For Production of bearing enterprise, the especially automated production of high-precision bearing,
The running accuracy online to every bearing is needed to test, thus existing test device is difficult to meet the requirements.
Invention content
In view of the above-mentioned deficiencies of the prior art, the technical problem to be solved by the present invention is to provide a kind of bearing outer end faces to revolve
Turn precision On-line Measuring Method, which can be online to the outer end face of every bearing
Running accuracy is tested, and entire test process is automatically performed, and high degree of automation, the testing time is short, can meet high-precision
The automated production demand of bearing.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of bearing outer end face running accuracy On-line Measuring Method, includes the following steps：
Step 1, bearing to be measured transmits automatically：Bearing to be measured is placed in bearing placing groove, and bearing transmission line is intermittent to forward pass
It is defeated, bearing to be measured is transmitted to detection station；The transmission intercal of bearing transmission line is not less than the detection time of detection device.
Step 2, bearing inner race limits：When bearing to be measured is transmitted to detection station, jacking disc height rises, in three
The top for enclosing fixed link passes through the endoporus of bearing placing groove, and lower limit baffle is in contact with the inner ring lower face of bearing to be measured；
Then, three fixed links slide towards the inner ring direction of bearing to be measured, and are pressed into contact with the inner ring of bearing to be measured.
Step 3, bearing jacking to be measured；The height of jacking disk continues to rise, and lower limit baffle pushes up bearing to be measured upwards
It rises, bearing placing groove is left in the outer ring lower face of bearing to be measured.
Step 4, bearing outer ring limits：Fall head declines, the upper limit baffle in three outer ring fixed links and axis to be measured
The outer ring upper surface held is in contact；Then, three outer ring fixed links slide towards bearing direction to be measured, and outer with bearing to be measured
Circle is pressed into contact with.
Step 5, Internal and external cycle bearing disappears gap：Pressure head declines, and applies axial pressing force to bearing to be measured, pressure sensor is real-time
The axial pressing force of application is detected, when reaching setting pressing force, pressure head stops declining, and the Internal and external cycle bearing gap that disappears is complete
At.
Step 6, bearing outer end face running accuracy detects：Rotary teeth wheel rotation at least two circle, drive rotating circular disk with it is to be measured
The outer ring rotating of bearing；At the same time, range sensor is detected the running accuracy of bearing outer end face.
Step 7, detection device resets, and repeats step 1 to step 6, carries out the detection of next bearing to be measured.
In step 1, the transmission intercal of bearing transmission line is 1.05 ~ 1.1 times of detection device detection time.
The lower part of every outer ring fixed link is enclosed with elastic abrasion-proof material.
Pressing force between every outer ring fixed link and bearing outer ring to be measured is 60 ~ 80 grams.
The top of every inner ring fixed link is both provided with elastic abrasion-proof material, every inner ring fixed link and bearing inner race to be measured
Between pressing force be 60 ~ 80 grams.
The present invention has the advantages that：When bearing to be measured is transmitted to detection station, inner ring limiting device is to be measured
The inner ring of bearing is limited, and outer ring limiting device limits the outer ring of bearing to be measured, after interior race bearing disappears gap, outside
Circle limiting device drives the outer ring rotating of bearing to be measured, and inner ring is motionless, and range sensor is by the rotation to bearing outer end face to be measured
Turn precision to be detected automatically, entire detection process is not required to manually participate in, and high degree of automation, detection time is short, can meet height
The automated production demand of loose bearings.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of bearing outer end face running accuracy on-line measurement device of the present invention.
Wherein have：
10. bearing transmission line；11. bearing placing groove；
20. inner ring limiting device；
21. jacking disk；211. radial slot；22. inner ring fixed link；221. lower limit blocks；
30. outer ring limiting device；
31. rotating circular disk；311. tooth socket；312. hanger bar；32. outer ring fixed link；321. upper limit blocks；
40. pressure head；
50. rotating gear；
60. range sensor；
70. bearing to be measured.
Specific implementation mode
The present invention is described in further detail with specific better embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of bearing outer end face running accuracy on-line measurement device, including bearing transmission line 10, inner ring limit
Position device 20, outer ring limiting device 30, pressure head 40, rotation gear 50 and range sensor 60.
Bearing transmission line is evenly arranged with several bearing placing grooves 11 in transmission direction, for putting for bearing to be measured
It sets；The diameter of bore of each bearing placing groove is more than the internal diameter of bearing to be measured, but less than the outer diameter of bearing to be measured.
Bearing testing station is provided on bearing transmission line.
Inner ring limiting device is located at the underface of Bearing testing station, and inner ring limiting device includes jacking disk 21 and inner ring
Fixed link 22.
The height of jacking disk can lift, and preferably be driven by jacking motor.
The upper surface of jacking disk is radially provided with three radial slots 211；It is slidably connected in every radial slot one
The radial slippage of inner ring fixed link 22, every inner ring fixed link is preferably driven by radial slippage motor, and three inner rings are fixed
Bar is preferably able to synchronous radial slippage.
The top of inner ring fixed link is provided with lower limit block 221, lower limit block can to the lower face of bearing to be measured into
Row limit blocking, the length of the inner ring fixed link above lower limit block is preferably the 1/3 ~ 1/2 of bearing height to be measured, into
One step is preferably 1/3.
The lateral length of lower limit block is less than the 1/3 of bearing radial thickness to be measured, in this way, lower limit block is to be measured
While the lower face of bearing carries out limit blocking, moreover it is possible to be passed through from bearing placing groove, and bearing to be measured is jacked upwards.
Further, the top of every inner ring fixed link is preferably provided with elastic abrasion-proof material, wherein in one or more
Elastic abrasion-proof material in circle fixed link, which embeds, is cased with pressure gauge, between 70 inner ring of inner ring fixed link and bearing to be measured
Pressing force is detected.
Outer ring limiting device includes rotating circular disk 31 and outer ring fixed link 32, and rotating circular disk is arranged by hanger bar 312
The bottom of pressure head, rotating circular disk are rotatablely connected with hanger bar；Tooth socket 311 is evenly equipped on the excircle of rotating circular disk.
The lower surface of rotating circular disk is provided with three outer ring fixed links, and every outer ring fixed link can radially slide；Often
The lower part of root outer ring fixed link is both provided with upper limit block.
The length of outer ring fixed link below upper limit block is preferably the 1/3 ~ 1/2 of bearing height to be measured, into one
Step preferably 1/3.
Further, the lower part of every outer ring fixed link is enclosed with elastic abrasion-proof material, wherein one or every outer ring it is solid
The lower part of fixed pole is preferably provided with pressure gauge, is examined for the pressing force between outer ring fixed link and bearing outer ring to be measured
It surveys.
Further, it is preferably provided with pressure sensor on upper limit block, for being applied to bearing upper surface to be measured
Pressing force is detected.
The top of pressure head is connected with forcing press, and the pressure head bottom positioned at rotating circular disk both sides is respectively arranged with rotation gear
And range sensor.
Rotation gear can preferably be rotated under the driving of motor, and be meshed with the tooth socket of rotating circular disk periphery.
The height of range sensor is less than the height of outer ring bottom of fixed, and is directed toward the outer end face of bearing to be measured, is used for
Detect the running accuracy namely circular runout or axial runout of bearing outer end face to be measured.
A kind of bearing outer end face running accuracy On-line Measuring Method, includes the following steps.
Step 1, bearing to be measured transmits automatically：Bearing to be measured is placed in bearing placing groove, bearing transmission line it is intermittent to
Bearing to be measured is transmitted to detection station by preceding transmission；The transmission intercal of bearing transmission line is not less than the detection time of detection device,
Preferably 1.05 ~ 1.1 times of detection device detection time.
Step 2, bearing inner race limits：When bearing to be measured is transmitted to detection station, jacking disc height rises, in three
The top for enclosing fixed link passes through the endoporus of bearing placing groove, and lower limit baffle is in contact with the inner ring lower face of bearing to be measured；
Then, three fixed links slide towards the inner ring direction of bearing to be measured, and are pressed into contact with the inner ring of bearing to be measured.
Further, the top of every inner ring fixed link is preferably provided with elastic abrasion-proof material, every inner ring fixed link with
Pressing force between bearing inner race to be measured is preferably 60 ~ 80 grams.
Step 3, bearing jacking to be measured；The height of jacking disk continues to rise, and lower limit baffle pushes up bearing to be measured upwards
It rises, bearing placing groove is left in the outer ring lower face of bearing to be measured.
Step 4, bearing outer ring limits：Fall head declines, the upper limit baffle in three outer ring fixed links and axis to be measured
The outer ring upper surface held is in contact；Then, three outer ring fixed links slide towards bearing direction to be measured, and outer with bearing to be measured
Circle is pressed into contact with.Further, the lower part of every outer ring fixed link is preferably enclosed with elastic abrasion-proof material, every outer ring fixed link
Pressing force between bearing outer ring to be measured is preferably 60 ~ 80 grams.
Step 5, Internal and external cycle bearing disappears gap：Pressure head declines, and applies axial pressing force to bearing to be measured, pressure sensor is real-time
The axial pressing force of application is detected, when reaching setting pressing force, pressure head stops declining, and the Internal and external cycle bearing gap that disappears is complete
At.
Step 6, bearing outer end face running accuracy detects：Rotary teeth wheel rotation at least two circle, drive rotating circular disk with it is to be measured
The outer ring rotating of bearing；At the same time, range sensor is detected the running accuracy of bearing outer end face.
Step 7, detection device resets, and repeats step 1 to step 6, carries out the detection of next bearing to be measured.
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail can carry out a variety of equivalents to technical scheme of the present invention within the scope of the technical concept of the present invention, this
A little equivalents all belong to the scope of protection of the present invention.
Claims (5)
1. a kind of bearing outer end face running accuracy On-line Measuring Method, it is characterised in that：Include the following steps：
Step 1, bearing to be measured transmits automatically：Bearing to be measured is placed in bearing placing groove, and bearing transmission line is intermittent to forward pass
It is defeated, bearing to be measured is transmitted to detection station；The transmission intercal of bearing transmission line is not less than the detection time of detection device；
Step 2, bearing inner race limits：When bearing to be measured is transmitted to detection station, jacking disc height rises, and three inner rings are solid
The top of fixed pole passes through the endoporus of bearing placing groove, and lower limit baffle is in contact with the inner ring lower face of bearing to be measured；Then,
Three fixed links slide towards the inner ring direction of bearing to be measured, and are pressed into contact with the inner ring of bearing to be measured；
Step 3, bearing jacking to be measured；The height of jacking disk continues to rise, and lower limit baffle jacks bearing to be measured upwards, waits for
Leave bearing placing groove in the outer ring lower face for surveying bearing；
Step 4, bearing outer ring limits：Fall head declines, the upper limit baffle in three outer ring fixed links and bearing to be measured
Outer ring upper surface is in contact；Then, three outer ring fixed links slide towards bearing direction to be measured, and are pressed with the outer ring of bearing to be measured
Close contact；
Step 5, Internal and external cycle bearing disappears gap：Pressure head declines, and applies axial pressing force to bearing to be measured, pressure sensor is in real time to applying
The axial pressing force added is detected, when reach setting pressing force when, pressure head stop decline, Internal and external cycle bearing disappear gap completion；
Step 6, bearing outer end face running accuracy detects：At least two circle of rotary teeth wheel rotation, drives rotating circular disk and bearing to be measured
Outer ring rotating；At the same time, range sensor is detected the running accuracy of bearing outer end face；
Step 7, detection device resets, and repeats step 1 to step 6, carries out the detection of next bearing to be measured.
2. bearing outer end face running accuracy On-line Measuring Method according to claim 1, it is characterised in that：In step 1, axis
The transmission intercal for holding transmission line is 1.05 ~ 1.1 times of detection device detection time.
3. bearing outer end face running accuracy On-line Measuring Method according to claim 1, it is characterised in that：Every outer ring is solid
The lower part of fixed pole is enclosed with elastic abrasion-proof material.
4. bearing outer end face running accuracy On-line Measuring Method according to claim 1, it is characterised in that：Every outer ring is solid
Pressing force between fixed pole and bearing outer ring to be measured is 60 ~ 80 grams.
5. bearing outer end face running accuracy On-line Measuring Method according to claim 1, it is characterised in that：Every inner ring is solid
The top of fixed pole is both provided with elastic abrasion-proof material, the pressing force between every inner ring fixed link and bearing inner race to be measured be 60 ~
80 grams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810528371.5A CN108775881A (en) | 2018-05-28 | 2018-05-28 | A kind of bearing outer end face running accuracy On-line Measuring Method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810528371.5A CN108775881A (en) | 2018-05-28 | 2018-05-28 | A kind of bearing outer end face running accuracy On-line Measuring Method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108775881A true CN108775881A (en) | 2018-11-09 |
Family
ID=64027882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810528371.5A Pending CN108775881A (en) | 2018-05-28 | 2018-05-28 | A kind of bearing outer end face running accuracy On-line Measuring Method |
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| CN (1) | CN108775881A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097611A (en) * | 2020-09-21 | 2020-12-18 | 湖南铁道职业技术学院 | Device and method for measuring perpendicularity error of inner ring and outer ring of rolling bearing |
| CN112240733A (en) * | 2020-10-14 | 2021-01-19 | 杨小礼 | Bearing inner race detection device that beats |
| CN116642445A (en) * | 2023-07-27 | 2023-08-25 | 山东轴研精密轴承有限公司 | Bearing outer ring detection equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2396390Y (en) * | 1999-11-16 | 2000-09-13 | 李鹿鸣 | Synthetic tester for bearing |
| CN103453822A (en) * | 2013-09-23 | 2013-12-18 | 中国电子科技集团公司第十四研究所 | Portable bearing rotating precision comprehensive detection platform |
| CN105698723A (en) * | 2016-04-13 | 2016-06-22 | 青岛泰德汽车轴承股份有限公司 | Device for automatically checking rotation precision of bearing |
-
2018
- 2018-05-28 CN CN201810528371.5A patent/CN108775881A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2396390Y (en) * | 1999-11-16 | 2000-09-13 | 李鹿鸣 | Synthetic tester for bearing |
| CN103453822A (en) * | 2013-09-23 | 2013-12-18 | 中国电子科技集团公司第十四研究所 | Portable bearing rotating precision comprehensive detection platform |
| CN105698723A (en) * | 2016-04-13 | 2016-06-22 | 青岛泰德汽车轴承股份有限公司 | Device for automatically checking rotation precision of bearing |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097611A (en) * | 2020-09-21 | 2020-12-18 | 湖南铁道职业技术学院 | Device and method for measuring perpendicularity error of inner ring and outer ring of rolling bearing |
| CN112240733A (en) * | 2020-10-14 | 2021-01-19 | 杨小礼 | Bearing inner race detection device that beats |
| CN116642445A (en) * | 2023-07-27 | 2023-08-25 | 山东轴研精密轴承有限公司 | Bearing outer ring detection equipment |
| CN116642445B (en) * | 2023-07-27 | 2023-10-17 | 山东轴研精密轴承有限公司 | Bearing outer ring detection equipment |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20181109 |