CN207923400U - Air hydrodynamic bearing static structure device for testing stiffness - Google Patents
Air hydrodynamic bearing static structure device for testing stiffness Download PDFInfo
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- CN207923400U CN207923400U CN201820386759.1U CN201820386759U CN207923400U CN 207923400 U CN207923400 U CN 207923400U CN 201820386759 U CN201820386759 U CN 201820386759U CN 207923400 U CN207923400 U CN 207923400U
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- hydrodynamic bearing
- air hydrodynamic
- force application
- application board
- leading screw
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Abstract
The utility model discloses a kind of air hydrodynamic bearing static structure device for testing stiffness, including pedestal, fixed seat, screw mechanism, loading device, load tooling, dynamometer and displacement detector；The screw mechanism includes leading screw mounting base and the servo motor, leading screw, the sliding block that are arranged in leading screw mounting base, the servo motor driving leading screw rotation；The loading device includes force application board, and the force application board is connect by sliding block with leading screw, and the force application board applies loading force to the air hydrodynamic bearing in load tooling downwards；It is provided with dynamometer between the force application board and load tooling；Institute's displacement sensing device is arranged in the top of load tooling.The utility model has the advantages of simple structure, it is easy to operate, radial air hydrodynamic bearing is placed in the load tooling, and either thrust air hydrodynamic bearing can be used for testing the static rigidity of radial air hydrodynamic bearing or thrust air hydrodynamic bearing, have preferable practicability.
Description
Technical field
The utility model belongs to the technical field of the rigidity test of air hydrodynamic bearing, and in particular to a kind of air hydrodynamic axis
Hold static structure device for testing stiffness.
Background technology
1854, G.Hirn was put forward for the first time possibility of the air as lubricant, and nowadays gas bearing has been obtained for
It is widely applied.Currently, from the point of view of with regard to the aggregate analysis of lubrication technology and supporting form, gas bearing is occupied absolutely in four fields
To application advantage, i.e., high speed rotation, low friction low-power consumption, it is high-accuracy bearing and adaptation special operation condition under operating.Air is dynamic
Last item, which is held, has the characteristics that friction factor is small, kinematic accuracy is high, long lifespan, is obtained in fields such as Ultra-precision Turning, high speed supports
It is widely applied.The Static stiffness of air hydrodynamic bearing refers to the ability of bearing resistance to deformation under static load, is characterization axis
An important indicator for holding working performance, decides bearing capacity, dynamic property and the stability that runs at high speed of bearing etc..Institute
It is the necessary item that air hydrodynamic bearing shapes up, advances with a set of accurate, easy, practical bearing Static stiffness measuring device
Part.
Utility model content
The utility model discloses a kind of air hydrodynamic bearing static structure device for testing stiffness, including pedestal, leading screw machine
Structure, fixed seat, loading device, load tooling, dynamometer and displacement detector, the servo motor driving leading screw rotation, from
And force application board is driven to move up and down；The utility model by force application board move downward to load tooling in air hydrodynamic bearing into
Row applies loading force, and the utility model measures loading force by dynamometer, air hydrodynamic bearing is detected by displacement detector
Deformational displacement, to calculate air hydrodynamic bearing static structure rigidity；It is dynamic that radial air is placed in the load tooling
Last item is held or thrust air hydrodynamic bearing；The utility model has the advantages of simple structure, easy to operate, can be used for testing radial air
The static rigidity of hydrodynamic bearing or thrust air hydrodynamic bearing has preferable practicability.
The utility model is achieved through the following technical solutions：A kind of air hydrodynamic bearing static structure rigidity test dress
It sets, including pedestal, fixed seat, screw mechanism, loading device, load tooling, dynamometer and displacement detector；On the pedestal
It is fixedly installed fixed seat, load tooling is placed with below the fixed seat, leading screw machine is provided with above the fixed seat
Structure；The screw mechanism include leading screw mounting base and be successively set on from top to bottom in leading screw mounting base servo motor, leading screw,
Sliding block, the servo motor driving leading screw rotation；The loading device includes force application board, and the force application board passes through sliding block and leading screw
Connection, the force application board apply loading force to the air hydrodynamic bearing in load tooling downwards；The force application board and load tooling
Between be provided with dynamometer；Institute's displacement sensing device is arranged is used to measure the position of air hydrodynamic bearing in the top of load tooling
It moves.
The utility model is difficult to the defect accurately measured primarily directed to current air hydrodynamic bearing static structure rigidity, carries
For a kind of air hydrodynamic bearing static structure stiffness measurement device；The utility model can be used for measure thrust air hydrodynamic bearing and
The elastic element of radial air hydrodynamic bearing and air hydrodynamic bearing, has wide range of applications.The utility model passes through servo electricity
Machine drives, and is loaded by screw mechanism, measures magnitude of load by dynamometer, passes through displacement sensor bearing deformation position
It moves；Then, bearing rigidity is calculated according to Rigidity Calculation formula；The thrust bearing test is consistent with journal bearing test method,
Only thrust button is different from bearing tooling.The principle of wherein stiffness measurement is derivative of the load about displacement, the meter of the rigidity
Calculate formula：
The utility model is powered by working power, and the power supply mode of the working power is the prior art, therefore not
It repeats again.The servo motor, dynamometer, displacement detector be the prior art and be not the utility model improvement,
So it will not be repeated.
The utility model in use, air hydrodynamic bearing to be measured is placed in load tooling, servo is driven
Motor drives leading screw rotation, the force application board to move along a straight line up and down on leading screw by sliding block；When leading screw is rotated to a direction
When, then force application board moves downward, and the force application board applies loading force to the air hydrodynamic bearing in load tooling, at this time dynamometer
The loading force of force application board is measured, displacement detector can detect the deformational displacement of air hydrodynamic bearing, to calculate air
The static rigidity of hydrodynamic bearing；When leading screw is rotated to another direction, then force application board moves upwards, and can will load work at this time
Dress removes, and takes out the air hydrodynamic bearing surveyed.
In order to preferably realize the utility model, further, the load tooling includes mounting bracket, loading blocks, diameter
To air hydrodynamic bearing；The radial air hydrodynamic bearing is arranged in the inside of mounting bracket, and radial air hydrodynamic bearing
Both ends are connect by bearing with mounting bracket respectively；The loading blocks are set in the outside of radial air hydrodynamic bearing, described to add
The diameter for carrying block is more than the diameter of radial air hydrodynamic bearing, and loading blocks are vacantly in mounting bracket；The force application board with plus
The top connection of block is carried, and is provided with dynamometer between force application board and loading blocks；Institute's displacement sensing device is arranged in radial sky
The vertical direction of Pneumatic pressure bearing.
The connection type of the radial air hydrodynamic bearing and radial air hydrodynamic bearing is the prior art and is not this reality
With novel improvement, so it will not be repeated.
In order to preferably realize the utility model, further, the loading blocks are cuboid, and the loading blocks are rectangular
Body is provided with rectangle loading frame at the top of the loading blocks, and the force application board is fixedly connected with loading frame, and force application board and rectangle
Dynamometer is installed between loading frame；Institute's displacement sensing device is fixedly connected with loading blocks by the first fixed frame.
In order to preferably realize the utility model, further, it is correspondingly arranged in the mounting bracket below the loading blocks
Fluted, the bottoms of the loading blocks is vacantly in groove.
In order to preferably realize the utility model, further, the load tooling includes bearing spider, thrust button and stops
Air hydrodynamic bearing is pushed away, the thrust air hydrodynamic bearing is mounted on inside bearing spider, and thrust air hydrodynamic bearing protrudes
The top of bearing spider；It is provided with thrust button above the thrust air hydrodynamic bearing；The top of institute's thrust button and force application board
Connection, and dynamometer is provided between force application board and thrust button；The vertical direction in thrust button is arranged in institute's displacement sensing device.
In order to preferably realize the utility model, further, it is provided with fixed block at the center at the top of the thrust button,
Fixed block is provided at center at the top of the thrust button, the force application board connects thrust button by fixed block, while force application board
Dynamometer is installed with being fixedly mounted between block；Institute's displacement sensing device is fixedly connected with fixed seat by the second fixed frame.
In order to preferably realize the utility model, further, the both sides of the leading screw are arranged in parallel with guide rod respectively, institute
The both sides for stating leading screw are arranged in parallel with guide rod respectively, are separately fixed at the top and bottom of the guide rod in leading screw mounting base；Institute
The both ends for stating sliding block side are slidably connected guide rod respectively.
In order to preferably realize the utility model, further, institute's displacement sensing device is non-contact displacement sensor.
It is described not in contact with displacement sensor be the prior art and be not the utility model improvement, so it will not be repeated.
The beneficial effects of the utility model：
(1) it is fixedly installed fixed seat on the pedestal, load tooling, the fixation are placed with below the fixed seat
The top of seat is provided with screw mechanism；The screw mechanism includes leading screw mounting base and is successively set on leading screw installation from top to bottom
Servo motor, leading screw, sliding block on seat, the servo motor driving leading screw rotation；The loading device includes force application board, described
Force application board is connect by sliding block with leading screw, and the force application board applies loading force to the air hydrodynamic bearing in load tooling downwards；
It is provided with dynamometer between the force application board and load tooling；Institute's displacement sensing device is arranged to be used in the top of load tooling
Measure the displacement of air hydrodynamic bearing；The utility model has the advantages of simple structure, easy to operate, can be used for testing radial air dynamic pressure
The static rigidity of bearing or thrust air hydrodynamic bearing has preferable practicability；
(2) the load tooling includes mounting bracket, loading blocks, radial air hydrodynamic bearing；The radial air dynamic pressure
Bearing is arranged in the inside of mounting bracket, and the both ends of radial air hydrodynamic bearing are connect by bearing with mounting bracket respectively；
The loading blocks are set in the outside of radial air hydrodynamic bearing, and the diameter of the loading blocks is more than radial air hydrodynamic bearing
Diameter, and loading blocks are vacantly in mounting bracket；The top of the force application board and loading blocks connects, and force application board and loading blocks it
Between be provided with dynamometer；The vertical direction in radial air hydrodynamic bearing is arranged in institute's displacement sensing device；The utility model
It is simple in structure, it is easy to operate, it can be used for testing the static rigidity of radial air hydrodynamic bearing, there is preferable practicability；
(3) the load tooling includes bearing spider, thrust button and thrust air hydrodynamic bearing, the thrust air hydrodynamic
Bearing is mounted on inside bearing spider, and the top of thrust air hydrodynamic bearing protrusion bearing spider；The thrust air hydrodynamic
Thrust button is provided with above bearing；The top of institute's thrust button is connect with force application board, and is provided between force application board and thrust button
Dynamometer；The vertical direction in thrust button is arranged in institute's displacement sensing device；The utility model has the advantages of simple structure, easy to operate,
It can be used for testing the static rigidity of thrust air hydrodynamic bearing, there is preferable practicability；
(4) both sides of the leading screw are arranged in parallel with guide rod respectively, and silk is separately fixed at the top and bottom of the guide rod
In thick stick mounting base；The both ends of the sliding block side are slidably connected guide rod respectively；The utility model is effectively carried by the setting of guide rod
The high kinetic stability of sliding block improves the rigidity test of the utility model to improve the kinetic stability of force application board
Accuracy has preferable practicability.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the front view of Fig. 1；
Fig. 3 is the left view of Fig. 1；
Fig. 4 is the attachment structure schematic diagram of thrust air hydrodynamic bearing and force application board；
Fig. 5 is the front view of Fig. 4；
Fig. 6 is the left view of Fig. 4；
Fig. 7 is the attachment structure schematic diagram of radial air hydrodynamic bearing and mounting bracket；
Fig. 8 is the front view of Fig. 7；
Fig. 9 is the sectional view in the directions A-A of Fig. 8；
Figure 10 is the attachment structure schematic diagram of leading screw and sliding block；
Figure 11 is the front view of Figure 10；
Figure 12 is the left view of Figure 10.
Wherein：1- pedestals, 2- screw mechanisms, 21- servo motors, 22- leading screws mounting base, 23- guide rods, 24- sliding blocks, 25-
Leading screw, 3- fixed seats, 4- force application boards, 5- loads tooling, 6- dynamometers, 7- displacement detectors, 8- rectangles loading frame, 9- thrusts
Disk, 10- thrusts air hydrodynamic bearing, 11- radial airs hydrodynamic bearing, 12- loading blocks, 13- mounting brackets.
Specific implementation mode
Embodiment 1：
A kind of air hydrodynamic bearing static structure device for testing stiffness, including pedestal 1, fixed seat 3,25 mechanism 2 of leading screw, plus
It carries and sets, loads tooling 5, dynamometer 6 and displacement detector 7；Fixed seat 3, the fixation are fixedly installed on the pedestal 1
The lower section of seat 3 is placed with load tooling 5, and the top of the fixed seat 3 is provided with 25 mechanism 2 of leading screw；25 mechanism 2 of the leading screw is wrapped
Servo motor 21, leading screw 25, the sliding block for including 25 mounting base 22 of leading screw and being successively set on from top to bottom in 25 mounting base 22 of leading screw
24, the servo motor 21 drives leading screw 25 to rotate；The loading device includes force application board 4, and the force application board 4 passes through sliding block 24
It is connect with leading screw 25, the force application board 4 applies loading force to the air hydrodynamic bearing in load tooling 5 downwards；The force application board 4
It is provided with dynamometer 6 between load tooling 5；Institute's displacement sensing device 7 is arranged in the top of load tooling 5 for measuring sky
The displacement of Pneumatic pressure bearing；It is placed with radial air hydrodynamic bearing 11 or thrust air hydrodynamic bearing in the load tooling 5
10。
The utility model in use, air hydrodynamic bearing to be measured is placed in load tooling 5, servo is driven
Motor 21 drives leading screw 25 to rotate, and the force application board 4 is moved along a straight line by sliding block 24 on leading screw 25 up and down；When leading screw 25 to one
When a direction rotation, then force application board 4 moves downward, and the force application board 4 applies load to the air hydrodynamic bearing in load tooling 5
Power, the loading force of the force application board 4 of the measurement of dynamometer 6 at this time, displacement detector 7 can detect the deformation position of air hydrodynamic bearing
It moves, to calculate the static rigidity of air hydrodynamic bearing；When leading screw 25 is rotated to another direction, then force application board 4 is upward
Load tooling 5 can be removed, take out the air hydrodynamic bearing surveyed by movement at this time.
The utility model is moved downward by force application board 4 and carries out application load to the air hydrodynamic bearing in load tooling 5
Power, the utility model measure loading force by dynamometer 6, and the deformation position of air hydrodynamic bearing is detected by displacement detector 7
It moves, to calculate air hydrodynamic bearing static structure rigidity；It is placed with radial air hydrodynamic bearing 11 in the load tooling 5
Or thrust air hydrodynamic bearing 10；The utility model has the advantages of simple structure, easy to operate, can be used for testing radial air dynamic pressure
The static rigidity of bearing 11 or thrust air hydrodynamic bearing 10 has preferable practicability.
Embodiment 2：
The present embodiment is advanced optimized on the basis of embodiment 1, as shown in figs. 10-12, the both sides of the leading screw 25
It is arranged in parallel with guide rod 23 respectively, the top and bottom of the guide rod 23 are separately fixed in 25 mounting base 22 of leading screw；The cunning
The both ends of 24 side of block are slidably connected guide rod 23 respectively；Institute's displacement sensing device 7 is non-contact displacement sensor.
The utility model in use, air hydrodynamic bearing to be measured is placed in load tooling 5, servo is driven
Motor 21 drives leading screw 25 to rotate, and the force application board 4 is moved along a straight line by sliding block 24 on leading screw 25 up and down；When leading screw 25 to one
When a direction rotation, then force application board 4 moves downward, and the force application board 4 applies load to the air hydrodynamic bearing in load tooling 5
Power, the loading force of the force application board 4 of the measurement of dynamometer 6 at this time, displacement detector 7 can detect the deformation position of air hydrodynamic bearing
It moves, to calculate the static rigidity of air hydrodynamic bearing；When leading screw 25 is rotated to another direction, then force application board 4 is upward
Load tooling 5 can be removed, take out the air hydrodynamic bearing surveyed by movement at this time.
The utility model is moved downward by force application board 4 and carries out application load to the air hydrodynamic bearing in load tooling 5
Power, the utility model measure loading force by dynamometer 6, and the deformation position of air hydrodynamic bearing is detected by displacement detector 7
It moves, to calculate air hydrodynamic bearing static structure rigidity；It is placed with radial air hydrodynamic bearing 11 in the load tooling 5
Or thrust air hydrodynamic bearing 10；The utility model has the advantages of simple structure, easy to operate, can be used for testing radial air dynamic pressure
The static rigidity of bearing 11 or thrust air hydrodynamic bearing 10 has preferable practicability.
The other parts of the present embodiment are same as Example 1, and so it will not be repeated.
Embodiment 3：
The present embodiment is advanced optimized on the basis of embodiment 1 or 2, the load tooling 5 include mounting bracket 13,
Loading blocks 12, radial air hydrodynamic bearing 11；As Figure 7-9, the radial air hydrodynamic bearing 11 is arranged in mounting bracket
13 inside, and the both ends of radial air hydrodynamic bearing 11 are connect by bearing with mounting bracket 13 respectively；The loading blocks 12
It is set in the outside of radial air hydrodynamic bearing 11, the diameter of the loading blocks 12 is more than the straight of radial air hydrodynamic bearing 11
Diameter, and the bottom of loading blocks 12 is vacantly in mounting bracket 13；The force application board 4 is connect with the top of loading blocks 12, and is exerted a force
Dynamometer 6 is provided between plate 4 and loading blocks 12；Institute's displacement sensing device 7 is fixedly connected with loading blocks by the first fixed frame
12, and the vertical direction in radial air hydrodynamic bearing 11 is arranged in displacement detector 7；As shown in Figs. 1-3, the loading blocks 12
Top for cuboid, the loading blocks 12 is provided with rectangle loading frame 8, and the force application board 4 is fixedly connected with loading frame, and is applied
Dynamometer 6 is installed between power plate 4 and rectangle loading frame 8；
The utility model in use, air hydrodynamic bearing to be measured is placed in load tooling 5, servo is driven
Motor 21 drives leading screw 25 to rotate, and the force application board 4 is moved along a straight line by sliding block 24 on leading screw 25 up and down；When leading screw 25 to one
When a direction rotation, then force application board 4 moves downward, and the force application board 4 applies radial air hydrodynamic bearing 11 by loading blocks 12
Add loading force, dynamometer 6 measures the loading force of force application board 4 at this time, and displacement detector 7 can detect radial air hydrodynamic bearing
11 deformational displacement, to calculate the static rigidity of radial air hydrodynamic bearing 11；When leading screw 25 is rotated to another direction
When, then force application board 4 moves upwards, and at this time can remove load tooling 5, take out the radial air hydrodynamic bearing 11 surveyed.
The utility model is moved downward by force application board 4 and is applied to the radial air hydrodynamic bearing 11 in load tooling 5
Add loading force, the utility model to measure loading force by dynamometer 6, air hydrodynamic bearing is detected by displacement detector 7
Deformational displacement, to calculate air hydrodynamic bearing static structure rigidity；It is placed with radial air dynamic pressure in the load tooling 5
Bearing 11；The utility model has the advantages of simple structure, easy to operate, can be used for testing the static state of radial air hydrodynamic bearing 11 just
Degree has preferable practicability.
The other parts of the present embodiment are identical as above-described embodiment 1 or 2, and so it will not be repeated.
Embodiment 4：
The present embodiment is advanced optimized on the basis of embodiment 1 or 2, and as Figure 4-Figure 6, the load tooling 5 is wrapped
Bearing spider, thrust button 9 and thrust air hydrodynamic bearing 10 are included, the thrust air hydrodynamic bearing 10 is mounted in bearing spider
Portion, and thrust air hydrodynamic bearing 10 protrudes the top of bearing spider；Thrust button 9 is provided with above the bearing spider；Institute
The top of thrust button 9 is connect with force application board 4, and dynamometer 6 is provided between force application board 4 and thrust button 9；The displacement detecting dress
It sets 7 and fixed seat 3 is fixedly connected with by the second fixed frame, and the vertical direction in thrust button 9 is arranged in displacement detector 7；It is described
It is provided with fixed block at the center at 9 top of thrust button, the force application board 4 connects thrust button 9 by fixed block, while force application board 4
Dynamometer 6 is installed with being fixedly mounted between block.
The utility model in use, air hydrodynamic bearing to be measured is placed in load tooling 5, servo is driven
Motor 21 drives leading screw 25 to rotate, and the force application board 4 is moved along a straight line by sliding block 24 on leading screw 25 up and down；When leading screw 25 to one
When a direction rotation, then force application board 4 moves downward, and the force application board 4 applies thrust air hydrodynamic bearing 10 by thrust button 9
Loading force, the loading force of the force application board 4 of the measurement of dynamometer 6 at this time, displacement detector 7 can detect thrust air hydrodynamic bearing 10
Deformational displacement, to calculate the static rigidity of thrust air hydrodynamic bearing 10；When leading screw 25 is rotated to another direction,
Then force application board 4 moves upwards, and at this time can remove load tooling 5, take out the thrust air hydrodynamic bearing 10 surveyed.
The utility model is moved downward by force application board 4 and is applied to the thrust air hydrodynamic bearing 10 in load tooling 5
Add loading force, the utility model to measure loading force by dynamometer 6, thrust air hydrodynamic axis is detected by displacement detector 7
The deformational displacement for holding 10, to calculate 10 static structure rigidity of thrust air hydrodynamic bearing；It is placed in the load tooling 5
Thrust air hydrodynamic bearing 10；The utility model has the advantages of simple structure, easy to operate, can be used for testing thrust air hydrodynamic bearing
10 static rigidity has preferable practicability.
The other parts of the present embodiment are identical as above-described embodiment 1 or 2, and so it will not be repeated.
The above is only the preferred embodiment of the utility model, not does limit in any form to the utility model
System, any simple modification made by the above technical examples according to the technical essence of the present invention, equivalent variations, each falls within
Within the scope of protection of the utility model.
Claims (8)
1. a kind of air hydrodynamic bearing static structure device for testing stiffness, which is characterized in that including pedestal（1）, fixed seat（3）、
Leading screw（25）Mechanism（2）, loading device, load tooling（5）, dynamometer（6）And displacement detector（7）；The pedestal（1）On
It is fixedly installed fixed seat（3）, the fixed seat（3）Lower section be placed with load tooling（5）, the fixed seat（3）Top
It is provided with leading screw（25）Mechanism（2）；The leading screw（25）Mechanism（2）Including leading screw（25）Mounting base（22）From top to bottom successively
It is arranged in leading screw（25）Mounting base（22）On servo motor（21）, leading screw（25）, sliding block（24）, the servo motor（21）It drives
Dynamic leading screw（25）Rotation；The loading device includes force application board（4）, the force application board（4）Pass through sliding block（24）With leading screw（25）
Connection, the force application board（4）Downwards to loading tooling（5）In air hydrodynamic bearing apply loading force；The force application board（4）With
Load tooling（5）Between be provided with dynamometer（6）；Institute's displacement sensing device（7）Setting is in load tooling（5）Top be used for
Measure the displacement of air hydrodynamic bearing.
2. air hydrodynamic bearing static structure device for testing stiffness according to claim 1, which is characterized in that the load
Tooling（5）Including mounting bracket（13）, loading blocks（12）, radial air hydrodynamic bearing（11）；The radial air hydrodynamic bearing
（11）It is arranged in mounting bracket（13）Inside, and radial air hydrodynamic bearing（11）Both ends respectively pass through bearing with installation branch
Frame（13）Connection；The loading blocks（12）It is set in radial air hydrodynamic bearing（11）Outside, the loading blocks（12）It is straight
Diameter is more than radial air hydrodynamic bearing（11）Diameter, and loading blocks（12）Vacantly in mounting bracket（13）It is interior；The force application board
（4）With loading blocks（12）Top connection, and force application board（4）With loading blocks（12）Between be provided with dynamometer（6）；The displacement
Detection device（7）It is arranged in radial air hydrodynamic bearing（11）Vertical direction.
3. air hydrodynamic bearing static structure device for testing stiffness according to claim 2, which is characterized in that the load
Block（12）For cuboid, the loading blocks（12）Top be provided with rectangle loading frame（8）, the force application board（4）With loading frame
It is fixedly connected, and force application board（4）With rectangle loading frame（8）Between dynamometer is installed（6）；Institute's displacement sensing device（7）It is logical
It crosses the first fixed frame and is fixedly connected with loading blocks（12）.
4. air hydrodynamic bearing static structure device for testing stiffness according to claim 2, which is characterized in that the load
Block（12）The mounting bracket of lower section（13）On be correspondingly arranged fluted, the loading blocks（12）Bottom vacantly in groove.
5. air hydrodynamic bearing static structure device for testing stiffness according to claim 1, which is characterized in that the load
Tooling（5）Including bearing spider, thrust button（9）With thrust air hydrodynamic bearing（10）, the thrust air hydrodynamic bearing（10）
Inside bearing spider, and thrust air hydrodynamic bearing（10）Protrude the top of bearing spider；The thrust air hydrodynamic
Bearing（10）Top be provided with thrust button（9）；Institute's thrust button（9）Top and force application board（4）Connection, and force application board（4）With
Thrust button（9）Between be provided with dynamometer（6）；Institute's displacement sensing device（7）It is arranged in thrust button（9）Vertical direction.
6. air hydrodynamic bearing static structure device for testing stiffness according to claim 5, which is characterized in that the thrust
Disk（9）Fixed block, the force application board are provided at the center at top（4）Thrust button is connected by fixed block（9）, and force application board
（4）Dynamometer is installed with being fixedly mounted between block（6）；Institute's displacement sensing device（7）It is fixedly connected by the second fixed frame
Fixed seat（3）.
7. according to claim 1-6 any one of them air hydrodynamic bearing static structure device for testing stiffness, which is characterized in that
The leading screw（25）Both sides be arranged in parallel with guide rod respectively（23）, the guide rod（23）Top and bottom be separately fixed at silk
Thick stick（25）Mounting base（22）On；The sliding block（24）The both ends of side are slidably connected guide rod respectively（23）.
8. air hydrodynamic bearing static structure device for testing stiffness according to claim 1, which is characterized in that the displacement
Detection device（7）For non-contact displacement sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820386759.1U CN207923400U (en) | 2018-03-21 | 2018-03-21 | Air hydrodynamic bearing static structure device for testing stiffness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820386759.1U CN207923400U (en) | 2018-03-21 | 2018-03-21 | Air hydrodynamic bearing static structure device for testing stiffness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207923400U true CN207923400U (en) | 2018-09-28 |
Family
ID=63595949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820386759.1U Active CN207923400U (en) | 2018-03-21 | 2018-03-21 | Air hydrodynamic bearing static structure device for testing stiffness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207923400U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924172A (en) * | 2021-02-02 | 2021-06-08 | 浙江来福谐波传动股份有限公司 | Bearing rigidity measuring instrument and measuring method thereof |
| CN113281043A (en) * | 2021-04-28 | 2021-08-20 | 重庆长江轴承股份有限公司 | Bearing dynamic stiffness testing device |
| CN116818322A (en) * | 2023-08-31 | 2023-09-29 | 沈阳金杯恒隆汽车转向系统有限公司 | Steering gear bearing radial rigidity test fixture |
-
2018
- 2018-03-21 CN CN201820386759.1U patent/CN207923400U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924172A (en) * | 2021-02-02 | 2021-06-08 | 浙江来福谐波传动股份有限公司 | Bearing rigidity measuring instrument and measuring method thereof |
| CN113281043A (en) * | 2021-04-28 | 2021-08-20 | 重庆长江轴承股份有限公司 | Bearing dynamic stiffness testing device |
| CN113281043B (en) * | 2021-04-28 | 2023-06-06 | 重庆长江轴承股份有限公司 | Dynamic stiffness testing device for bearing |
| CN116818322A (en) * | 2023-08-31 | 2023-09-29 | 沈阳金杯恒隆汽车转向系统有限公司 | Steering gear bearing radial rigidity test fixture |
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Effective date of registration: 20191210 Address after: The 618000 Deyang province Sichuan City Jingyang District Jiangxi Road No. four Building No. 11 Co-patentee after: Inst. of Machinery Mfg Technology, Chinese Academy of Engineering Physics Patentee after: Sichuan nine far Air Floatation Technology Co., Ltd. Address before: The 618000 Deyang province Sichuan City Jingyang District Jiangxi Road No. four Building No. 11 Patentee before: Sichuan nine far Air Floatation Technology Co., Ltd. |