CN109612658A - Detect the device of semi-rigid bearing rigidity - Google Patents
Detect the device of semi-rigid bearing rigidity Download PDFInfo
- Publication number
- CN109612658A CN109612658A CN201811581359.7A CN201811581359A CN109612658A CN 109612658 A CN109612658 A CN 109612658A CN 201811581359 A CN201811581359 A CN 201811581359A CN 109612658 A CN109612658 A CN 109612658A
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- threaded rod
- measured
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0041—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress
- G01M5/005—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress by means of external apparatus, e.g. test benches or portable test systems
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- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of devices for detecting semi-rigid bearing rigidity, it include actuator and fixation kit, setting test axis between actuator and fixation kit, station to be measured is provided on test axis, set casing is provided on the station to be measured, actuator includes connecting rod and hydraulic cylinder, connecting rod and test axis are engaged by clamping, telescopic displacement sensor and pressure sensor are provided on test axis, fixation kit includes stationary fixture, stationary fixture includes threaded rod, annular mounting base and two claws, claw is hinged in annular mounting base, one end of claw is located at the inside of annular mounting base, and setting is contradicted with threaded rod and forms driving end, the two sides that the other end of claw is located at set casing form clamping end, threaded rod is threadedly engaged with set casing, inclined surface is provided on threaded rod, it is opposite between threaded rod and annular mounting base Sliding setting, the effect for fixing bearing to be measured is preferable, and detection data is relatively comprehensively more accurate, and detection accuracy is higher.
Description
The present invention relates to Bearing testing technical fields, and in particular to a kind of device for detecting semi-rigid bearing rigidity.
Background technique
Semi-rigid bearing is widely used in the fields such as automobile, household electrical appliances and mechanical equipment, and so-called semi-rigid bearing is exactly
Bearing inner includes relevant moulding part, and steel ball lasso etc. can have relevant movement under loading conditions, so referred to as semi-rigid
Property, just because of part containing plasticity, so the rigidity property for detecting semi-rigid bearing is bearings highly important one before factory
A step, because only that the rigidity property for having understood semi-rigid bearing just can determine which kind of environment bearings is suitably mounted to
In, and existing rigidity detection device is difficult to fix bearing to be detected, bearing is easy to happen skidding or offset when detecting,
Cause detection accuracy inaccurate, and existing stiffness excitations machine can only often detect the rigidity of bearing from a direction, cause
The data that detected cannot comprehensively react the rigidity property of semi-rigid bearing.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of device for detecting semi-rigid bearing rigidity, fixes to be measured
The effect of bearing is preferable, and the rigidity of bearing can be detected from the different directions of bearing to be measured, and detection data is relatively comprehensively more accurate,
Detection accuracy is higher.
The present invention provides a kind of device for detecting semi-rigid bearing rigidity, includes actuator and fixation kit, the drive
Axis is tested in setting between moving part and fixation kit, is provided with station to be measured on the test axis, is provided on the station to be measured
For installing the set casing of bearing to be measured, the actuator includes the connecting rod at test axis both ends to be arranged in and for the company of driving
The hydraulic cylinder of extension bar sliding, the connecting rod and test axis are engaged by clamping, and the test axis is provided with station junction to be measured
Pressure sensor, it is described test axis on be provided with for detect test axial displacement telescopic displacement sensor, described fixed group
Part includes stationary fixture, and the stationary fixture includes threaded rod, the annular mounting base and the setting that are set on threaded rod
Two claws of two sides are corresponded in threaded rod, the claw is hinged in annular mounting base, and one end of the claw is located at annular peace
The inside of seat is filled, and contradicts setting with threaded rod and forms driving end, the two sides that the other end of the claw is located at set casing are formed
Clamping end, the threaded rod are threadedly engaged with set casing, and the inclination of driving claw rotation is provided on the threaded rod outer peripheral surface
Face, opposite sliding is arranged between the threaded rod and annular mounting base.
The beneficial effect being arranged in this way is: using the above scheme, when detecting the rigidity of bearing to be measured, bearing to be measured being set
It sets on station to be measured, i.e., first bearing to be measured is installed on set casing, then bearing holder (housing, cover) to be measured is set on test axis, and to
The inner ring and test axis interference fit for surveying bearing, test axis is finally snapped fit onto and completes to install in connecting rod, and pass through setting
Stationary fixture is come the bearing to be measured that has been fixedly mounted, because of opposite sliding between threaded rod and annular mounting base in stationary fixture
Setting, so threaded rod in stationary fixture slides to set casing, and is threadedly coupled with set casing when fixed, at this point, inclination
Face can elapse at two driving ends towards the direction that be located remotely from each other as threaded rod is mobile, i.e., the clamping end of two claws mutually draw close until
The clamping formed for bearing to be measured is abutted on bearing to be measured, and after completing to fix, starting hydraulic cylinder makes to test axis never
It is equidirectional to compress bearing to be measured, the radial load that test axis applies bearing to be measured is then measured by pressure sensor, is led to
The displacement crossed displacement sensor and test out the displacement of test axis, and test axis is equal to the deformation loaded of bearing to be measured
Amount, and after learning above-mentioned data, it can learn rigidity measured on bearing different directions to be measured, these rigidity are averaged
It can obtain the accurate rigidity value of bearing to be measured, the fixed bearing performance to be measured of the detection device fixation kit is preferable, detection
Precision is higher, and structure operation is simple, and detection efficiency is higher, can radially different directions detect axis to be measured from bearing inner race to be measured
The rigidity held, to keep the data detected more comprehensive and accurate.
The present invention is further arranged to be provided with reset spring realization between the driving end and the inner wall of annular mounting base
The abutting of end and threaded rod is driven to be arranged.
The beneficial effect being arranged in this way is: using the above scheme, by the way that reset spring is arranged, at the end of test experience,
Convenient for making inclined surface far from driving end, to enable claw far from bearing to be measured to release the clamping for bearing to be measured, just
In the replacement and dismounting of bearing to be measured.
The present invention is further arranged to be arranged with guide sleeve on the threaded rod, and the guide sleeve is pacified by connecting rod and annular
Dress seat is fixedly connected.
The beneficial effect being arranged in this way is: using the above scheme, by the way that guide sleeve is arranged, enabling the annular mounting base of threaded rod
Parallel position slide and so that threaded rod is fixed on annular mounting base, so that threaded rod be made to be set casing screw thread
Can be more stable when cooperation, so that bearing to be measured is more stably fixed in detection device, increases stationary fixture
Stationarity is to increase the stability of detection device.
It further includes having bottom plate that the present invention, which is further arranged to the actuator, and the telescopic displacement sensor is mounted on bottom
On plate, opening is provided on the test axis, the telescopic displacement sensor includes test probe, and the test probe is inserted
Enter opening setting.
The beneficial effect being arranged in this way is: using the above scheme, enabling telescopic displacement sensor by the way that bottom plate is arranged
More stable is mounted in detection device, and the opening on the test probe insertion test axis of telescopic displacement sensor, just
Displacement of the test axis when compressing with bearing inner race to be measured can be directly tested, keeps detection data more accurate.
The present invention is further arranged to test probe and is connected with telescopic rod, outside the telescopic rod and detection device
Displacement display instrument is connected, and the telescopic displacement sensor further includes having pedestal, and the telescopic rod is mounted on the base, described
Pedestal is mounted on bottom plate.
The beneficial effect being arranged in this way is: using the above scheme, by the way that telescopic rod is arranged, and telescopic rod and connecting rod are kept
In parallel, the displacement data of experiment can be thus learnt by telescopic rod telescopic displacement, this is relatively simple for structure, is conducive to real
It is existing.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the embodiment of the present invention；
Fig. 2 is the fixing jig structure schematic diagram of the embodiment of the present invention；
Fig. 3 is the stationary fixture releasing orientation diagrammatic cross-section of the embodiment of the present invention；
Fig. 4 is the stationary fixture clamp position diagrammatic cross-section of the embodiment of the present invention.
Specific embodiment
It include to drive the invention discloses a kind of device for detecting semi-rigid bearing rigidity it can be seen from Fig. 1 to Fig. 4
Moving part and fixation kit, axis 1 is tested in setting between the actuator and fixation kit, is provided with work to be measured on the test axis 1
Position 2, the set casing 3 for installing bearing to be measured is provided on the station 2 to be measured, and the actuator includes that setting is being tested
The connecting rod 4 at 1 both ends of axis and the hydraulic cylinder 5 slid for drive connection bar 4, the connecting rod 4 are engaged by clamping with test axis 1,
The test axis 1 is provided with pressure sensor 51 with 2 junction of station to be measured, is provided on the test axis 1 and surveys for detecting
The telescopic displacement sensor 52 that axis 1 is displaced is tried, the fixation kit includes stationary fixture 6, and the stationary fixture 6 includes
Threaded rod 61, the annular mounting base 62 being set on threaded rod 61 and two claws 63 that the corresponding two sides of threaded rod 61 are set,
The claw 63 is hinged in annular mounting base 62, and one end of the claw 63 is located at the inside of annular mounting base 62, and and spiral shell
Rasp bar 61 contradicts setting and forms driving end 631, and the two sides that the other end of the claw 63 is located at set casing 3 form clamping end 632,
The threaded rod 61 is threadedly engaged with set casing 3, and the inclination that driving claw 63 rotates is provided on 61 outer peripheral surface of threaded rod
Face 611, opposite sliding is arranged between the threaded rod 61 and annular mounting base 62.It, will be to when detecting the rigidity of bearing to be measured
It surveys in bearing setting to station 2 to be measured, i.e., first bearing to be measured is installed on set casing 3, bearing holder (housing, cover) to be measured is then set to survey
It tries on axis 1, and the inner ring of bearing to be measured and test axis 1 are interference fitted, and are finally snapped fit onto test axis 1 and are completed to pacify in connecting rod 4
Dress, and the bearing to be measured being fixedly mounted by setting stationary fixture 6, because of threaded rod 61 and ring in stationary fixture 6
Opposite sliding setting between shape mounting base 62, so threaded rod 61 in stationary fixture 6 slides to set casing 3 when fixed, and
It is threadedly coupled with set casing 3, at this point, inclined surface 611 can drive ends 631 towards the side being located remotely from each other as threaded rod 61 is mobile by two
To passage, i.e. the clamping end 632 of two claws 63 is mutually drawn close until abutting on bearing to be measured the folder formed for bearing to be measured
It holds, after completing to fix, starting hydraulic cylinder 5 makes test axis 1 compress bearing to be measured from different directions, then passes through pressure sensing
Device 51 measures the radial load that test axis 1 applies bearing to be measured, and the displacement of test axis 1 is tested out by displacement sensor
Amount, and the displacement for testing axis 1 is equal to the deformation quantity loaded of bearing to be measured, and after learning above-mentioned data, can learn to
Rigidity measured on bearing different directions is surveyed, these rigidity, which are averaged, can obtain the accurate rigidity of bearing to be measured
Value, the fixed bearing performance to be measured of the detection device fixation kit is preferable, and detection accuracy is higher, and structure operation is simple, detection effect
Rate is higher, can from bearing inner race to be measured, radially different directions detect the rigidity of bearing to be measured, to make the data detected ratio
It is more comprehensive and accurate.
Be provided between above-mentioned driving end 631 and the inner wall of annular mounting base 62 reset spring 64 realize driving end 631 with
The abutting of threaded rod 61 is arranged.The beneficial effect being arranged in this way is: using the above scheme, by the way that reset spring 64 is arranged, examining
At the end of surveying experiment, convenient for making inclined surface 611 far from driving end 631, to enable the clamping end 632 of claw 63 far from axis to be measured
It holds to release the clamping for bearing to be measured, convenient for the replacement and dismounting of bearing to be measured.
Guide sleeve 65 is arranged on above-mentioned threaded rod 61, the guide sleeve 65 is fixed by connecting rod 66 and annular mounting base 62
Connection.The beneficial effect being arranged in this way is: using the above scheme, by the way that guide sleeve 65 is arranged, enabling the annular installation of threaded rod 61
The parallel position of seat 62 slides and threaded rod 61 is enable to be fixed on annular mounting base 62, so that threaded rod 61 be made to be
Set casing 3 can be more stable when being threadedly engaged, and so that bearing to be measured is more stably fixed in detection device, increases
The stationarity of stationary fixture 6 is to increase the stability of detection device.
Above-mentioned actuator further includes having bottom plate 7, and the telescopic displacement sensor 52 is mounted on bottom plate 7, the test
Opening 101 is provided on axis 1, the telescopic displacement sensor 52 includes test probe 521, and the test probe 521 is inserted
Enter 101 setting of opening.The beneficial effect being arranged in this way is: using the above scheme, making telescopic displacement sensing by the way that bottom plate 7 is arranged
Device 52 can be more stable be mounted in detection device, and telescopic displacement sensor 52 test probe 521 insertion test
Opening 101 on axis 1 can directly test displacement of the test axis 1 when compressing with bearing inner race to be measured, make detection data more
Accurately.
Above-mentioned test probe 521 is connected with telescopic rod 522, and the telescopic rod 522 is shown with the displacement outside detection device
Instrument is connected, and the telescopic displacement sensor 52 further includes having pedestal 523, and the telescopic rod 522 is mounted on pedestal 523,
The pedestal 523 is mounted on bottom plate 7.The beneficial effect being arranged in this way is: using the above scheme, by the way that telescopic rod 522 is arranged,
And telescopic rod 522 and 4 keeping parallelism of connecting rod, the displacement of experiment can be thus learnt by 522 telescopic displacement of telescopic rod
Data, this is relatively simple for structure, is conducive to realize.
The above embodiments are merely a preferred embodiment of the present invention, and cannot limit interest field of the invention with this, because
This, is still belonged to according to equivalent variations made by scope of the present invention patent, such as using similar technique, the equivalent product of similar structures
The range that the present invention is covered.
Claims (5)
1. a kind of device for detecting semi-rigid bearing rigidity, includes actuator and fixation kit, it is characterised in that: the driving
Axis is tested in setting between part and fixation kit, is provided with station to be measured on the test axis, is arranged on the station to be measured useful
In the set casing for installing bearing to be measured, the actuator includes the connecting rod at test axis both ends to be arranged in and for being drivingly connected
The hydraulic cylinder of bar sliding, the connecting rod and test axis are engaged by clamping, and the test axis and station junction to be measured are provided with pressure
Force snesor, it is described to test the telescopic displacement sensor being provided on axis for detecting test axial displacement, the fixation kit
It include stationary fixture, the stationary fixture includes that threaded rod, the annular mounting base being set on threaded rod and setting exist
Threaded rod corresponds to two claws of two sides, and the claw is hinged in annular mounting base, and one end of the claw is located at annular installation
The inside of seat, and contradict setting with threaded rod and form driving end, the two sides that the other end of the claw is located at set casing form folder
End is held, the threaded rod is threadedly engaged with set casing, the inclined surface of driving claw rotation is provided on the threaded rod outer peripheral surface,
Opposite sliding is arranged between the threaded rod and annular mounting base.
2. the device of the semi-rigid bearing rigidity of detection according to claim 1, it is characterised in that: the driving end and annular
It is provided with reset spring between the inner wall of mounting base and realizes that the abutting of driving end and threaded rod is arranged.
3. the device of the semi-rigid bearing rigidity of detection according to claim 1 or 2, it is characterised in that: on the threaded rod
It is arranged with guide sleeve, the guide sleeve is fixedly connected by connecting rod with annular mounting base.
4. the device of the semi-rigid bearing rigidity of detection according to claim 1, it is characterised in that: the actuator further includes
There is bottom plate, the telescopic displacement sensor is mounted on bottom plate, and opening, the telescopic displacement are provided on the test axis
Sensor includes test probe, the test probe insertion opening setting.
5. the device of the semi-rigid bearing rigidity of detection according to claim 4, it is characterised in that: the test probe connection
There is telescopic rod, the telescopic rod is connected with the displacement display instrument outside detection device, and the telescopic displacement sensor also wraps
Pedestal is included, the telescopic rod is mounted on the base, and the pedestal is mounted on bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811581359.7A CN109612658A (en) | 2018-12-24 | 2018-12-24 | Detect the device of semi-rigid bearing rigidity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811581359.7A CN109612658A (en) | 2018-12-24 | 2018-12-24 | Detect the device of semi-rigid bearing rigidity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109612658A true CN109612658A (en) | 2019-04-12 |
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ID=66011359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811581359.7A Pending CN109612658A (en) | 2018-12-24 | 2018-12-24 | Detect the device of semi-rigid bearing rigidity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109612658A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411841A (en) * | 2019-07-05 | 2019-11-05 | 人本集团有限公司 | Detect the detection device that direction converter bearing bears load-carrying ability |
| CN113390708A (en) * | 2021-06-29 | 2021-09-14 | 东风耐世特转向系统(武汉)有限公司 | Detection tool for detecting rigidity of riveting structure |
| CN113441928A (en) * | 2021-06-30 | 2021-09-28 | 人本股份有限公司 | Roller dismounting device of cylindrical roller bearing |
| CN114812480A (en) * | 2022-05-09 | 2022-07-29 | 吉林大学 | Precision measurement device for appearance characteristics of outer surface of large-diameter workpiece |
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| CN1589397A (en) * | 2001-10-09 | 2005-03-02 | 日本精工株式会社 | Device amd method for evaluating rigidity of bearing device, device and method for manufacturing bearing device, and bearing device |
| CN102889990A (en) * | 2012-09-22 | 2013-01-23 | 马会防 | Dynamic measurement method for radial stiffness and axial stiffness of bearing |
| CN205309305U (en) * | 2015-12-11 | 2016-06-15 | 宁波永博机械制造有限公司 | A material device is pulled out in pneumatics for numerical control lathe |
| CN205380686U (en) * | 2015-12-15 | 2016-07-13 | 刘淼 | Clamp |
| CN106482949A (en) * | 2015-08-25 | 2017-03-08 | 北京航天动力研究所 | Angular contact ball bearing radial direction Static stiffness measurement apparatus |
| CN108680357A (en) * | 2018-06-25 | 2018-10-19 | 南京航空航天大学 | A kind of axial and radial comprehensive dynamic stiffness measurement device of rolling bearing |
-
2018
- 2018-12-24 CN CN201811581359.7A patent/CN109612658A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1589397A (en) * | 2001-10-09 | 2005-03-02 | 日本精工株式会社 | Device amd method for evaluating rigidity of bearing device, device and method for manufacturing bearing device, and bearing device |
| CN102889990A (en) * | 2012-09-22 | 2013-01-23 | 马会防 | Dynamic measurement method for radial stiffness and axial stiffness of bearing |
| CN106482949A (en) * | 2015-08-25 | 2017-03-08 | 北京航天动力研究所 | Angular contact ball bearing radial direction Static stiffness measurement apparatus |
| CN205309305U (en) * | 2015-12-11 | 2016-06-15 | 宁波永博机械制造有限公司 | A material device is pulled out in pneumatics for numerical control lathe |
| CN205380686U (en) * | 2015-12-15 | 2016-07-13 | 刘淼 | Clamp |
| CN108680357A (en) * | 2018-06-25 | 2018-10-19 | 南京航空航天大学 | A kind of axial and radial comprehensive dynamic stiffness measurement device of rolling bearing |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411841A (en) * | 2019-07-05 | 2019-11-05 | 人本集团有限公司 | Detect the detection device that direction converter bearing bears load-carrying ability |
| CN113390708A (en) * | 2021-06-29 | 2021-09-14 | 东风耐世特转向系统(武汉)有限公司 | Detection tool for detecting rigidity of riveting structure |
| CN113441928A (en) * | 2021-06-30 | 2021-09-28 | 人本股份有限公司 | Roller dismounting device of cylindrical roller bearing |
| CN114812480A (en) * | 2022-05-09 | 2022-07-29 | 吉林大学 | Precision measurement device for appearance characteristics of outer surface of large-diameter workpiece |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190412 |
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| RJ01 | Rejection of invention patent application after publication |