CN207487613U - A kind of high-precision bearing contact angle measurement - Google Patents
A kind of high-precision bearing contact angle measurement Download PDFInfo
- Publication number
- CN207487613U CN207487613U CN201721678380.XU CN201721678380U CN207487613U CN 207487613 U CN207487613 U CN 207487613U CN 201721678380 U CN201721678380 U CN 201721678380U CN 207487613 U CN207487613 U CN 207487613U
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- CN
- China
- Prior art keywords
- pull rod
- main shaft
- additionally provided
- bearing
- workbench
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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.)
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Abstract
A kind of high-precision bearing contact angle measurement, including workbench, sensor positioning mechanism is provided on the workbench, hollow main shaft is additionally provided with across the workbench, the main shaft hollow part is non-contact to be provided with pull rod, the part that the workbench is crossed on the main shaft is additionally provided with tooling mounting disc, tooling is provided in the tooling mounting disc, bearing outer ring is arranged in the tooling, bearing inner race is suppressed by the pull rod, the main shaft lower part is additionally provided with grating coding disk, the grating coding disk lower part is additionally provided with the resistor for preventing the pull rod rotation, the pull rod lower end is additionally provided with the cylinder of linear bearing and the control draw-bar pull that support is provided for the pull rod lower end.The utility model solves the problems, such as that existing bearing touch angle measuring instrument outer ring adds up rotational angle and measures inaccurate, poor repeatability, and measurement error is less than 10 ', and data accurate stable substantially increases measurement accuracy.
Description
Technical field
The utility model is related to Bearing testing technical field, and relate more specifically to a kind of high-precision angular contact ball bearing and survey
Measure instrument.
Background technology
Bearing contact angle is the important structural parameters of angular contact ball bearing, and contact angle is to weigh angular contact bearing performance quality
An important parameter, value determines the axially and radially bearing capacity of bearing.A large amount of theoretical research and it is demonstrated experimentally that right
In accurate main shaft angular contact ball bearing, particularly pairing bearing, the size and consistency of contact angle angle value, by direct shadow
Ring rigidity, running accuracy and the service life to entire shafting.
At present, existing various bearing touch angle measuring instruments all employ the motion principle of planetary gear train to measure in the market
The contact angle of bearing：If fixing bearing inner ring, retainer and outer ring are by by certain speed, than rotation, fast ratio is bearing touch
The function at angle, within the retainer turnning circle time of setting, its rotating ratio can be measured by measuring the accumulative angle of outer ring rotating, into
And calculate the contact angle of bearing.Since these current apparatus measures outer ring rotatings add up angle using timing mode, data
Error is big, and stability is bad, causes apparatus measures resultant error big, less reproducible, the Contact-angle measurement that these instruments provide
Precision index is 30 '.With the continuous improvement that main engine plants require bearing accuracy, the bearing of market active demand higher precision connects
Feeler measuring instrument.
Utility model content
For the deficiency of above-mentioned technology, the utility model discloses a kind of high-precision angular contact ball bearing measuring instrument, can make
Angular contact ball bearing contact angle measurement measures Contact-angle measurement precision higher, makes the error of bearing touch Angle Measurements reduce
Within to 10 ', the accuracy for measuring bearing outer ring and bearing steel ball retainer rotating ratio is substantially increased, improves measurement essence
Degree.
The utility model uses following technical scheme：A kind of high-precision bearing contact angle measurement, it is described including workbench
Be provided with sensor positioning mechanism on workbench, the sensor positioning mechanism include standing on column on the workbench, with
The transverse arm of the uprights vertical connection and the photoelectric sensor being connect with the transverse arm, in being additionally provided with across the workbench
Empty main shaft, the main shaft hollow part is non-contact to be provided with pull rod, and the part that the workbench is crossed on the main shaft is also set up
There is tooling mounting disc, tooling is provided in the tooling mounting disc, bearing outer ring is arranged in the tooling, and bearing inner race passes through
The pull rod compacting, the main shaft lower part are additionally provided with grating coding disk, and the grating coding disk lower part, which is additionally provided with, prevents institute
The resistor of pull rod rotation is stated, the pull rod lower end is additionally provided with linear bearing and the control that support is provided for the pull rod lower end
The cylinder of the draw-bar pull.
Further, belt pulley is additionally provided on the main shaft and is configured with the motor for driving the pulley rotation.
Further, the precision of the grating coding disk is 0.176 °.
Further, it is additionally provided with main shaft sleeve outside the main shaft.
Further, the trueness error of the contact angular dimensions of the photoelectric sensor detection angular contact ball bearing is less than 10 '.
Further, it is additionally provided with grating coding disk outer cover outside the grating coding disk.
Further, the pull rod is non-rotatably connected to the cylinder.
Further, the photoelectric sensor is also configured with receiving and handles the calculating of the photoelectric sensor sensitive information
Machine.
Positive beneficial effect：
The utility model measures bearing outer ring rotational angle using high-precision grating coding disk, solves existing bearing touch
Angle measuring instrument outer ring adds up the problem of rotational angle measures inaccuracy, poor repeatability so that the contact angle ginseng of angular contact ball bearing
Number measurement accuracy is less than 10 ', improves measurement accuracy, has pushed the progress of Bearing testing technology, and product is improved for bearing enterprise
Quality provides necessary technological means.
Description of the drawings
Fig. 1 is the utility model front view sectional view schematic diagram；
Fig. 2 is the utility model testing principle structure diagram；
In figure：1- photoelectric sensors, 2- ball retainers, 3- bearing outer rings, 4- grating coding disks, 5- pull rods, 6- toolings,
The mounting disc of 7- toolings, 8- main shafts, 9- workbench, 10- resistors, 11- linear bearings, 12- cylinders, 13- belt pulleys, 14- spindle shafts
Set, 15- sensor positioning mechanisms, 16- columns, 17- transverse arms, 18- grating coding disk outer covers.
Specific embodiment
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that reality described herein
It applies example to be only used for describing and explaining the present invention, is not used to limit the utility model.
As shown in Figure 1, a kind of high-precision bearing contact angle measurement, including workbench 9, wherein being set on the workbench 9
Be equipped with sensor positioning mechanism 15, the sensor positioning mechanism 15 include standing on column 16 on the workbench 9, with it is described
16 transverse arm 17 connected vertically of column and the photoelectric sensor 1 being connect with the transverse arm 17, also set up across the workbench 9
There is hollow main shaft 8,8 hollow part of main shaft is non-contact to be provided with pull rod 5, and the portion of the workbench 9 is crossed on the main shaft 8
Divide and be additionally provided with tooling mounting disc 7, tooling 6 is provided in the tooling mounting disc 7, for providing installation for different toolings 6
Interface, bearing outer ring 3 are arranged in the tooling 6, and bearing inner race is suppressed by the pull rod 5, and 8 lower part of main shaft is also set up
There is grating coding disk 4,4 lower part of grating coding disk is additionally provided with the resistor 10 that the pull rod 5 is prevented to rotate, and resistor 10 is used for
Pull rod 5 is prevented to rotate, 5 lower end of pull rod is additionally provided with linear bearing 11 and the control for providing support for 5 lower end of pull rod
Make the cylinder 12 of 5 pulling force of pull rod.Cylinder 12 is by the pulling force size of the proportional valve control pull rod 5 in gas circuit, in this practicality
It is the mode of opened loop control not using pulling force sensor in novel.
In the utility model, sensor positioning mechanism 15 is mainly used for positioning the position of photoelectric sensor 1, passes through column
The position of 16 rotation photoelectric sensors 1, but not flexible.Photoelectric sensor 1 is for measuring bearing steel ball retainer rotating speed, in axis
The key element that opto-electronic conversion is realized in detecting system is held, has many advantages, such as that precision is high, reaction is fast, non-contact, uses photoelectricity
Sensor of the element as detecting element can be converted into measured variation the variation of optical signal, then by photo elements
Part further converts optical signals into electric signal, and electric signal then is passed to computer is shown, handles.It is essentially
Counter records bearing steel ball retainer 2 and has turned how many circle, that is, bearing steel ball within a certain period of time in a particular embodiment
The rotating speed of retainer 2.
In the utility model, belt pulley 13 is additionally provided on the main shaft 8 and is configured with driving 5 turns of the belt pulley
Dynamic motor.In a particular embodiment, bearing outer ring 3 be with main shaft 8 with together, so driving spindle 8 just drives bearing
Outer ring 3, belt pulley 13 are directly installed on main shaft 8, and motor is capable of the rotation of driving belt pulley 13, final realization bearing outer ring 3
Rotation.
In the utility model, the precision of the grating coding disk 4 is 0.176 °, the grating encoding that the utility model uses
Disk 4 is high-precision grating coding disk, and precision is 360 °/2048=0.176 °.Grating coding disk 4 is mainly used for measuring outside bearing
Rotational angle is enclosed, in the utility model, grating coding disk outer cover 18 is additionally provided with outside the grating coding disk 4.Grating is compiled
Code-disc 4 often moves a pitch, and output signal just changes a cycle, by the variation in period, to measure relative displacement.
In a particular embodiment, it is additionally provided with main shaft sleeve 14 outside main shaft 8.
In the utility model, the photoelectric sensor 1 detects the trueness error of the contact angular dimensions of angular contact ball bearing
Less than 10 '.
In the utility model, the pull rod 5 is non-rotatably connected to the cylinder 12.Pull rod 5 is mainly used for inner ring
Apply load, driving force is generated by cylinder 12, pull rod 5 is made to generate pulling force.In a particular embodiment, since bearing inner race is drawn
Bar 5 is suppressed, it is impossible to be rotated, can be applied downward axial load to inner ring.
In the utility model, the photoelectric sensor 1 is also configured with receiving and handles the sensing of photoelectric sensor 1 letter
The computer of breath.
With reference to above-described embodiment, the utility model is described further below.
As shown in Fig. 2, Fig. 2 is the utility model testing principle structure diagram, the selection of workbench 9 is firm Dali
Stone work top adjusts the position of column 16 on workbench 9, and then angular contact ball bearing is mounted on accurate main shaft 8,
The rotational angle of bearing outer ring 3 is measured using high-precision grating coding disk 4, photoelectric sensor 1 measures bearing steel ball retainer 2
Within the 2 turnning circle time of bearing steel ball retainer of setting, axis can be measured by the data for reading grating coding disk 4 for rotating speed
Both the accumulative rotational angle of bearing outer-ring 3, calculate（Angle and rotating speed）Between rotating ratio, by computer digital animation and
High-precision bearing touch angular data is obtained, measurement error is less than 10 ', data accurate stable.The utility model solves existing
Bearing touch angle measuring instrument outer ring add up rotational angle measure it is inaccurate, the problem of poor repeatability, so as to improve measurement accuracy.
The progress of Bearing testing technology is pushed, improving product quality for bearing enterprise provides necessary technological means.
Although the foregoing describe specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
These specific embodiments are merely illustrative of, and those skilled in the art is in the principle and essence for not departing from the utility model
In the case of, various omissions, substitutions and changes can be carried out to the details of the above method and system.For example, merge above method step
Suddenly, so as to realize that it is new that substantially identical result then belongs to this practicality according to the substantially identical function of substantially identical method execution
The range of type.Therefore, the scope of the utility model is only limited by the claims that follow.
Claims (8)
1. a kind of high-precision bearing contact angle measurement, including workbench（9）, which is characterized in that the workbench（9）Upper setting
There is sensor positioning mechanism（15）, the sensor positioning mechanism（15）Including standing on the workbench（9）On column（16）、
With the column（16）Transverse arm connected vertically（17）And with the transverse arm（17）The photoelectric sensor of connection（1）, across institute
State workbench（9）It is provided with hollow main shaft（8）, the main shaft（8）Hollow part is non-contact to be provided with pull rod（5）, the main shaft
（8）On cross the workbench（9）Part be additionally provided with tooling mounting disc（7）, the tooling mounting disc（7）On be provided with work
Dress（6）, bearing outer ring（3）It is arranged on the tooling（6）On, bearing inner race passes through the pull rod（5）Compacting, the main shaft（8）
Lower part is additionally provided with grating coding disk（4）, the grating coding disk（4）Lower part, which is additionally provided with, prevents the pull rod（5）Rotation
Resistor（10）, the pull rod（5）Lower end is additionally provided with as the pull rod（5）Lower end provides the linear bearing of support（11）And control
Make the pull rod（5）The cylinder of pulling force（12）.
A kind of 2. high-precision bearing contact angle measurement according to claim 1, which is characterized in that the main shaft（8）On
It is additionally provided with belt pulley（13）And it is configured with the driving belt pulley（13）The motor of rotation.
A kind of 3. high-precision bearing contact angle measurement according to claim 1, which is characterized in that the grating coding disk
（4）Precision be 0.176 °.
A kind of 4. high-precision bearing contact angle measurement according to claim 2, which is characterized in that the main shaft（8）Outside
Portion is additionally provided with main shaft sleeve（14）.
A kind of 5. high-precision bearing contact angle measurement according to claim 1, which is characterized in that the photoelectric sensor
（1）The trueness error for detecting the contact angular dimensions of angular contact ball bearing is less than 10 '.
A kind of 6. high-precision bearing contact angle measurement according to claim 3, which is characterized in that the grating coding disk
（4）Outside is additionally provided with grating coding disk outer cover（18）.
A kind of 7. high-precision bearing contact angle measurement according to claim 1, which is characterized in that the pull rod（5）No
It is rotationally coupled to the cylinder（12）.
A kind of 8. high-precision bearing contact angle measurement according to claim 5, which is characterized in that the photoelectric sensor
（1）It is also configured with receiving and handles the photoelectric sensor（1）The computer of sensitive information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721678380.XU CN207487613U (en) | 2017-12-06 | 2017-12-06 | A kind of high-precision bearing contact angle measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721678380.XU CN207487613U (en) | 2017-12-06 | 2017-12-06 | A kind of high-precision bearing contact angle measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207487613U true CN207487613U (en) | 2018-06-12 |
Family
ID=62457858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721678380.XU Expired - Fee Related CN207487613U (en) | 2017-12-06 | 2017-12-06 | A kind of high-precision bearing contact angle measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207487613U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530320A (en) * | 2019-08-15 | 2019-12-03 | 成都中车四方轨道车辆有限公司 | A kind of bearing radial-axial measuring device for windage |
| CN114235403A (en) * | 2021-12-17 | 2022-03-25 | 杭州电子科技大学 | Device and method for measuring contact angle of four-point angular contact ball bearing |
-
2017
- 2017-12-06 CN CN201721678380.XU patent/CN207487613U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530320A (en) * | 2019-08-15 | 2019-12-03 | 成都中车四方轨道车辆有限公司 | A kind of bearing radial-axial measuring device for windage |
| CN110530320B (en) * | 2019-08-15 | 2022-04-12 | 成都中车四方轨道车辆有限公司 | Bearing radial and axial clearance measuring device |
| CN114235403A (en) * | 2021-12-17 | 2022-03-25 | 杭州电子科技大学 | Device and method for measuring contact angle of four-point angular contact ball bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180612 Termination date: 20191206 |