CN205843961U - A kind of paillon foil formula self-acting air bearing Static stiffness measurement apparatus - Google Patents
A kind of paillon foil formula self-acting air bearing Static stiffness measurement apparatus Download PDFInfo
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- CN205843961U CN205843961U CN201620787631.7U CN201620787631U CN205843961U CN 205843961 U CN205843961 U CN 205843961U CN 201620787631 U CN201620787631 U CN 201620787631U CN 205843961 U CN205843961 U CN 205843961U
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- outer bush
- static stiffness
- air bearing
- measurement apparatus
- paillon foil
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Abstract
This utility model relates to a kind of paillon foil formula self-acting air bearing Static stiffness measurement apparatus, and it includes manual loading device, push rod, outer bush, lead rail axis, adpting flange, pressure transducer and displacement transducer；Manual loading device is connected with outer bush, lead rail axis is arranged in outer bush, and adpting flange is fixing with outer bush to be connected, and this utility model lead rail axis is smooth mobile in outer bush, do not have deflection, by measuring the amount of movement of lead rail axis end face and then obtaining the deflection of bearing, being conducive to improving accuracy of detection, this utility model is easy and simple to handle, reliability is high, certainty of measurement is high, it is adaptable to the Static stiffness of multiple elastic mechanical parts is measured, and has wide development and application prospect.
Description
Technical field
This utility model relates to a kind of paillon foil formula self-acting air bearing Static stiffness measurement apparatus.
Background technology
1854, G.Hirn proposed the air probability as lubricant first, and nowadays gas bearing has obtained
It is widely applied.At present, with regard to from the point of view of lubrication technology and the aggregate analysis of supporting form, gas bearing is occupied in four fields
Absolute application advantage, i.e. high speed rotating, low friction low-power consumption, high-accuracy supporting and the operating adapted under special operation condition.Paillon foil
Self-acting air bearing, compared with traditional rigid surface bearing, has the outstanding advantages such as rotating speed height, good stability, life-span length.But
Being the theoretical model also imperfection due to paillon foil formula self-acting air bearing, therefore the experiment measurement to bearing parameters is must not
Can lack.The Static stiffness of paillon foil formula self-acting air bearing refers to bearing ability of resistance to deformation under static load, is to characterize axle
Hold an important indicator of service behaviour, decide the bearing capacity of bearing, dynamic property and the stability etc. that runs up.Institute
It is the essential condition that foil bearing shapes up, advances with a set of accurate, easy, practical bearing Static stiffness measurement apparatus.
Utility model content
Technical problem to be solved in the utility model be to provide a kind of easy and simple to handle, measure accurately, paper tinsel that reliability is high
Chip self-acting air bearing Static stiffness measurement apparatus.
This utility model adopts the following technical scheme that
This utility model include manual loading device, push rod, outer bush, lead rail axis, adpting flange, pressure transducer and
Displacement transducer；Described manual loading device is connected with outer bush, and described lead rail axis is arranged in outer bush, described adpting flange
Fixing with outer bush and be connected, described push rod one end is arranged in manual loading device one end, and described pressure transducer is arranged on and adds
Carrying and put between the other end and lead rail axis one end, institute's displacement sensors is arranged on adpting flange lower end.
Manual loading device described in the utility model includes fairlead, be arranged in fairlead slide block A and slide block B, institute
State in push rod one end is arranged on fairlead by screw thread corresponding with slide block A one end, pressure is installed between described slide block B and lead rail axis
Force transducer.
Outer bush side described in the utility model arranges cutting groove.
Fairlead described in the utility model is threadeded by connector with outer bush.
Pressure transducer described in the utility model is LC400 series-FB25 single pressure sensor.
Displacement transducer described in the utility model is Bentley eddy current displacement sensor.
This utility model good effect is as follows: 1. this utility model lead rail axis can be moved as guide rail is smooth in outer bush
Dynamic, do not have deflection, by measuring the amount of movement of lead rail axis end face and then obtaining the deflection of bearing, be conducive to improving detection
Precision.2. this utility model push rod realizes promoting slide block A and slide block B in fairlead by screw thread, reaches uniform feeding and loads,
Due to uniform load, it is to avoid moment significantly loads the damage to surveyed object and ensure that accuracy of detection.3. this practicality is new
Type uses high-precision pressure transducer and displacement transducer, it is to avoid the anthropic factor impact on testing result, is conducive to protecting
Card accuracy of detection.This utility model is easy and simple to handle, and reliability is high, and certainty of measurement is high, it is adaptable to multiple elastic mechanical parts quiet
Stiffness measurement, has wide development and application prospect.
Accompanying drawing explanation
Accompanying drawing 1 is this utility model structural representation；
Accompanying drawing 2 is that the C-C of accompanying drawing 1 is to sectional structure schematic diagram.
In the accompanying drawings: 1 cutting groove, 2 pressure transducers, 3 connectors, 4 outer bush, 5 lead rail axis, 6 adpting flanges, 7 displacements
Sensor, 8 push rods, 9 fairleads, 10 slide block A, 11 slide block B.
Detailed description of the invention
As shown in accompanying drawing 1,2, this utility model includes manual loading device, push rod 8, outer bush 4, lead rail axis 5, connection method
Orchid 6, pressure transducer 2, displacement transducer 7 and cutting groove 1；Described manual loading device is connected with outer bush 4, described guide rail
Axle 5 is arranged in outer bush 4, and described adpting flange 6 is fixing with outer bush 4 to be connected, and described push rod 8 one end is arranged on manual loading
In device one end, described pressure transducer 2 is arranged between the charger other end and lead rail axis 5 one end, described pressure sensing
Device 2 belongs to piezoelectric type, and measurement scope is 0-2KN, and error is ± 1N, and described pressure transducer 2 is LC400 series-FB25 list pressure
Sensor；Institute's displacement sensors 7 is arranged on adpting flange 6 lower end, and institute's displacement sensors 7 is electric vortex type, range 0-
1mm, certainty of measurement 0.001mm, institute's displacement sensors 7 is Bentley eddy current displacement sensor；Described outer bush 4 arranges institute
State cutting groove 1.
Manual loading device described in the utility model includes fairlead 9, be arranged in fairlead 9 slide block A10 and slide block
B11, described slide block A10 and slide block B 11 interval are arranged, in described push rod 8 one end is arranged on fairlead 9 by screw thread and slide block A
10 one end are corresponding, and push rod 8 realizes feeding in fairlead 9 by screw thread and loads, and pacifies between described slide block B 11 and lead rail axis 5
Dress pressure transducer 2, described fairlead 9 is threadeded by connector 3 with outer bush 4.
When using this utility model device to detect, surveyed foil bearing or other elasticity measurement parts are put into guide rail
Between axle 5 and adpting flange 6 or put between lead rail axis 5 and adpting flange 6 by cutting groove 1, make guide rail by rotating push rod 8
Axle 5 is fitted completely with surveyed object, and push rod 8 realizes promoting slide block A 10 and slide block B 11 in fairlead 9 by screw thread, reaches
Uniformly feeding loads, thus detects the displacement of lead rail axis 5, the load recorded by force transducer 2 and displacement transducer 7 and displacement
Amount, utilizes formula 1. to calculate the Static stiffness of paillon foil formula self-acting air bearing:
K=F/L ①
Wherein, K is the Static stiffness of paillon foil formula hydrodynamic gas-lubricated bearing, unit N/um；F is for being loaded into paillon foil formula hydrodynamic air axle
Hold the load on surface normal direction, unit N；L is under the pressure effect of load F, the displacement of foil bearing i.e. deflection, single
Position um.
This utility model lead rail axis 5 can move as guide rail is smooth in outer bush, does not haves deflection, is led by measurement
The amount of movement of rail axle 5 end face and then obtain the deflection of bearing, is conducive to improving accuracy of detection.This utility model push rod 8 passes through
Screw thread realizes promoting slide block A 10 and slide block B 11 in fairlead 9, reaches uniform feeding and loads, due to uniform load, it is to avoid
Moment significantly loads the damage to surveyed object and ensure that accuracy of detection.This utility model uses high-precision pressure to pass
Sensor 2 and displacement transducer 7, it is to avoid the anthropic factor impact on testing result, advantageously ensure that accuracy of detection.This practicality is new
Type is easy and simple to handle, and reliability is high, and certainty of measurement is high, it is adaptable to the Static stiffness of multiple elastic mechanical parts is measured, and has wide
Development and application prospect.
The above embodiment is only preferred embodiment of the present utility model, and not this utility model possible embodiments
Exhaustive.For persons skilled in the art, to its institute on the premise of without departing substantially from this utility model principle and spirit
Any obvious change made, within all should being contemplated as falling with claims of the present utility model.
Claims (6)
1. a paillon foil formula self-acting air bearing Static stiffness measurement apparatus, it is characterised in that it includes manual loading device, push rod
(8), outer bush (4), lead rail axis (5), adpting flange (6), pressure transducer (2) and displacement transducer (7)；
Described manual loading device is connected with outer bush (4), and described lead rail axis (5) is arranged in outer bush (4), described connection method
Blue (6) are fixing with outer bush (4) to be connected, and described push rod (8) one end is arranged in manual loading device one end, described pressure sensing
Device (2) is arranged between the charger other end and lead rail axis (5) one end, and institute's displacement sensors (7) is arranged on adpting flange
(6) lower end.
A kind of paillon foil formula self-acting air bearing Static stiffness measurement apparatus the most according to claim 1, it is characterised in that described
Manual loading device includes fairlead (9), the slide block A(10 being arranged in fairlead (9)) and slide block B (11), described push rod (8)
One end is arranged in fairlead (9) and slide block A(10 by screw thread) one end is corresponding, described slide block B (11) and lead rail axis (5) it
Between install pressure transducer (2).
A kind of paillon foil formula self-acting air bearing Static stiffness measurement apparatus the most according to claim 1 and 2, it is characterised in that institute
State outer bush (4) side and cutting groove (1) is set.
A kind of paillon foil formula self-acting air bearing Static stiffness measurement apparatus the most according to claim 2, it is characterised in that described
Fairlead (9) is threadeded by connector (3) with outer bush (4).
A kind of paillon foil formula self-acting air bearing Static stiffness measurement apparatus the most according to claim 3, it is characterised in that described
Pressure transducer (2) is LC400 series-FB25 single pressure sensor.
A kind of paillon foil formula self-acting air bearing Static stiffness measurement apparatus the most according to claim 3, it is characterised in that described
Displacement transducer (7) is Bentley eddy current displacement sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620787631.7U CN205843961U (en) | 2016-07-26 | 2016-07-26 | A kind of paillon foil formula self-acting air bearing Static stiffness measurement apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620787631.7U CN205843961U (en) | 2016-07-26 | 2016-07-26 | A kind of paillon foil formula self-acting air bearing Static stiffness measurement apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205843961U true CN205843961U (en) | 2016-12-28 |
Family
ID=57624799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620787631.7U Active CN205843961U (en) | 2016-07-26 | 2016-07-26 | A kind of paillon foil formula self-acting air bearing Static stiffness measurement apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205843961U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109916581A (en) * | 2019-03-27 | 2019-06-21 | 一汽-大众汽车有限公司 | A kind of portable stiffness measuring device and method |
-
2016
- 2016-07-26 CN CN201620787631.7U patent/CN205843961U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109916581A (en) * | 2019-03-27 | 2019-06-21 | 一汽-大众汽车有限公司 | A kind of portable stiffness measuring device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Quiet rigidity measurement device of paillon foil formula dynamic pressure air bearing Effective date of registration: 20190716 Granted publication date: 20161228 Pledgee: China Everbright Bank, Limited by Share Ltd, Shijiazhuang branch Pledgor: SHIJIAZHUANG KINGSTON BEARING TECHNOLOGY CO., LTD. Registration number: 2019130000013 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200724 Granted publication date: 20161228 Pledgee: China Everbright Bank Limited by Share Ltd. Shijiazhuang branch Pledgor: SHIJIAZHUANG KINGSTON BEARING TECHNOLOGY Co.,Ltd. Registration number: 2019130000013 |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 052360 South Weiyi Road, Xinji Economic Development Zone, Shijiazhuang City, Hebei Province Patentee after: Hebei Kingston Technology Co.,Ltd. Address before: 052360 South Weiyi Road, Xinji Economic Development Zone, Shijiazhuang City, Hebei Province Patentee before: SHIJIAZHUANG KINGSTON BEARING TECHNOLOGY Co.,Ltd. |