CN206891724U - Ball-type hydrodynamic bearing floats analogue measurement device in a kind of flywheel bearing system - Google Patents
Ball-type hydrodynamic bearing floats analogue measurement device in a kind of flywheel bearing system Download PDFInfo
- Publication number
- CN206891724U CN206891724U CN201720580751.4U CN201720580751U CN206891724U CN 206891724 U CN206891724 U CN 206891724U CN 201720580751 U CN201720580751 U CN 201720580751U CN 206891724 U CN206891724 U CN 206891724U
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- China
- Prior art keywords
- ball
- end cover
- floats
- flywheel
- measurement device
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Abstract
The utility model discloses ball-type hydrodynamic bearing in a kind of flywheel bearing system to float analogue measurement device, including device case, and device case upper and lower ends are respectively arranged with upper end cover and bottom end cover；Model rotor is arranged inside device case, and the model rotor upper end is connected by insulated connecting piece with screw micrometer lower end, lower end connection simulation ball bearing；Screw micrometer is fixed on upper end cover upper surface by micrometer fixed support, and device case lower end inner wall is disposed with from outside to inside surveys floating ring and ptfe ring, surveys floating ring and is close to be connected with ptfe ring；Device case upper end housing wall forms fairlead, surveys floating ring lead-out wire thus extending apparatus hull outside；Damping cup is fixed in bottom end cover bottom, and ground wire lead-out wire is drawn in damping bottom of a cup portion, and damping cup inner bottom surface forms simulation ball axle nest.The utility model is by special measuring method, it is determined that the measurement spherical hydrodynamic bearing of flywheel floats the parameter of electricity conversion device.
Description
Technical field
The utility model belongs to a kind of flywheel bearing system running state detection means, and in particular to a kind of flywheel bearing system
Ball-type hydrodynamic bearing floats analogue measurement device in system.
Background technology
Flywheel bearing system is a kind of composite construction being made up of passive magnetic suspension bearing and ball-type hydrodynamic bearing.System is transported
During row, ball-type hydrodynamic bearing is in high speed rotation state, to reduce frictional dissipation between ball-type hydrodynamic bearing and axle nest, by ball-type
Hydrodynamic bearing floats, and on ball-type hydrodynamic bearing surface and axle nest surface attachment oil film.When ball-type hydrodynamic bearing floats, it two
Surface is isolated by oil film, and friction at this moment fully belongs to oily interior friction, and loss is extremely low.Therefore, ball-type hydrodynamic bearing floats shape
State is one of flywheel bearing system running state that must be monitored.Surveyed by being installed additional between flywheel bearing system ontology and shell
Floating ring, the mutation of electric capacity when not floating and float according to detection, by power conversion circuit, output characterizes the level of different conditions
Signal.Accordingly, it is determined that capacitance when not floating and floating, for determining that power conversion circuit parameter is particularly significant.
Utility model content
The utility model proposes that the purpose is to provide a kind of flywheel in order to overcome shortcoming present in prior art
Ball-type hydrodynamic bearing floats analogue measurement device in bearing arrangement.
The technical solution of the utility model is：
Ball-type hydrodynamic bearing floats analogue measurement device, including device case, device case in a kind of flywheel bearing system
Upper and lower ends are respectively arranged with upper end cover and bottom end cover；Model rotor is arranged inside device case, the model rotor upper end
It is connected by insulated connecting piece with screw micrometer lower end, lower end connection simulation ball bearing；Screw micrometer is consolidated by micrometer
Fixed rack is fixed on upper end cover upper surface, and device case lower end inner wall is disposed with from outside to inside surveys floating ring and ptfe ring, surveys
Floating ring is close to be connected with ptfe ring；Device case upper end housing wall forms fairlead, surveys floating ring lead-out wire thus extending apparatus shell
Outside body；Damping cup is fixed in bottom end cover bottom, and ground wire lead-out wire is drawn in damping bottom of a cup portion, and damping cup inner bottom surface forms simulation ball axle
Nest.
Described device housing is the socket type structure of open at both ends.
The upper end cover lower surface and bottom end cover upper surface are respectively formed bulge loop, and bulge loop is stretched into inside device case, with device
Housing housing wall is bolted.
The bulge loop external diameter is engaged with device case internal diameter.
Through hole is provided among the upper end cover and bottom end cover.
The model rotor upper end is fixed through upper end cover intermediate throughholes with insulated connecting piece.
The simulation ball bearing passes through bottom end cover intermediate throughholes, stretches at simulation ball axle nest.
The micrometer fixed support is hollow frame structure, and insulated connecting piece is placed in inside micrometer fixed support.
The damping cup is the hollow circular cylinder structure of open at one end, and upper end outer circumferential wall forms flange, flange and lower end
Lid is bolted.
The simulation ball axle nest, simulation ball bearing coaxial line.
The beneficial effects of the utility model are：
Model rotor in the utility model, simulation ball bearing, crust of the device in strict accordance with actual fly wheel system profile
Size is designed, and ensures to form the uniformity of electric capacity with surveying floating ring；Float to form the number of oil film thickness to quantify ball bearing
According to design screw micrometer lifts to rotor, and the reading of micrometer represents the data that rotor floats；In order to reach this mesh
, model rotor inside is carried out to empty processing, mitigates rotor weight as far as possible；The design for surveying floating ring is meeting the bar of processing request
Under part, increase capacitor plate area as far as possible, reduce anode-cathode distance, to increase capacitance values；Survey between floating ring and crust of the device and add
Ptfe ring is isolated, and to avoid metal contact, destroys the structure of electric capacity.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Wherein：
The micrometer fixed support of 1 screw micrometer 2
The upper end cover of 3 insulated connecting piece 4
5 survey the crust of the device of floating ring lead-out wire 6
7 model rotors 8 survey floating ring
9 ptfe rings 10 damp cup
The bottom end cover of 11 simulation ball axle nest 12
The 13 simulation ground wire lead-out wires of ball bearing 14.
Embodiment
With reference to Figure of description and embodiment to ball-type hydrodynamic bearing in a kind of flywheel bearing system of the utility model
Float analogue measurement device to be described in detail：
As shown in figure 1, ball-type hydrodynamic bearing floats analogue measurement device, including device case in a kind of flywheel bearing system
6, the upper and lower ends of device case 6 are respectively arranged with upper end cover 4 and bottom end cover 12；Model rotor 7 is arranged inside device case 6,
The upper end of model rotor 7 is connected by insulated connecting piece 3 with the lower end of screw micrometer 1, lower end connection simulation ball bearing 13；Spiral shell
Rotation micrometer 1 is fixed on the upper surface of upper end cover 4 by micrometer fixed support 2, and the lower end inner wall of device case 6 is from outside to inside successively
It is provided with and surveys floating ring 8 and ptfe ring 9, surveys floating ring 8 and be close to be connected with ptfe ring 9；The upper end housing wall of device case 6 forms lead
Hole, survey floating ring lead-out wire 5 is thus outside extending apparatus housing 6；Damping cup 10 is fixed in the bottom of bottom end cover 12, and damping cup 10 bottom is drawn
Go out ground wire lead-out wire 14, damping cup 10 inner bottom surface forms simulation ball axle nest 11.
Described device housing 6 is the socket type structure of open at both ends.
The lower surface of upper end cover 4 and the upper surface of bottom end cover 12 are respectively formed bulge loop, and bulge loop is stretched into inside device case 6, with
The housing wall of device case 6 is bolted.
The bulge loop external diameter is engaged with the internal diameter of device case 6.
Through hole is provided among the upper end cover 4 and bottom end cover 12.
The upper end of model rotor 7 is fixed through the intermediate throughholes of upper end cover 4 with insulated connecting piece 3.
The simulation ball bearing 13 passes through bottom end cover intermediate throughholes, stretches at simulation ball axle nest 11.
The micrometer fixed support 2 is hollow frame structure, and insulated connecting piece 3 is placed in micrometer fixed support 2
Portion.
The damping cup is the hollow circular cylinder structure of open at one end, and upper end outer circumferential wall forms flange, flange and lower end
Lid 12 is bolted.
The simulation ball axle nest 11, the simulation coaxial line of ball bearing 13.
Application method of the present utility model：
Rotating screw micrometer 1 can lift model rotor 7, that is, simulate ball bearing 13 float, the reading of screw micrometer 1 with
The height that zero point difference representative simulation ball bearing 13 floats.Meanwhile simulate ball bearing 13 and form electric capacity C with simulation ball axle nest 111。
Because the spheroid end for simulating ball bearing 13 is connected with the model rotor 7 of high-speed rotating machine, therefore under high-speed cruising state, quite
In electric capacity a pole plate can not lead measurement, in order to electric capacity C1, measure caused by floating ring 8 and model rotor 7
Electric capacity C2, C1With C2Between form series relationship, by drawing measurement line in fixed survey floating ring, C can be measured indirectly1
Change.
The measuring point that floating ring 8 draws casing and be used as electric capacity by surveying floating ring lead-out wire 5 is surveyed, another measuring point is drawn by ground wire
Outlet 14 is drawn.When simulate ball bearing 13 do not float when, simulation ball bearing 13 with simulation ball axle nest 11 contact, now ball bearing and
Axle nest does not form electric capacity, and it is electric capacity when not floating that can measure system capacitance, and screw micrometer reading is origin, and rotating screw thousand divides
Chi 1 lifts model rotor 7, the height that the reading of screw micrometer 1 floats with origin difference representative simulation ball bearing 13, now mould
Intend ball bearing 13 and form electric capacity with simulation ball axle nest 11, measure system capacitance as electric capacity when floating, when not floating compared with electric capacity
There is mutation.
The utility model is not floated by analogue means direct measurement in flywheel rotor, electric capacity 1.984nF, rotor
When floating, electric capacity 0.948nF.This parameter directly applies to the adjustment of electrical transformation device parameter.Final measurement shows,
When flywheel rotor does not float, electrical transformation device output signal is low level, and 0V, when flywheel rotor floats, electrical transformation fills
It is high level to put output signal, 5V.
Claims (10)
1. ball-type hydrodynamic bearing floats analogue measurement device, including device case in a kind of flywheel bearing system（6）, device case
（6）Upper and lower ends are respectively arranged with upper end cover（4）And bottom end cover（12）；Model rotor（7）It is arranged at device case（6）Inside,
It is characterized in that：The model rotor（7）Upper end passes through insulated connecting piece（3）With screw micrometer（1）Lower end connects, and lower end connects
Connect simulation ball bearing（13）；
Screw micrometer（1）Pass through micrometer fixed support（2）It is fixed on upper end cover（4）Upper surface, device case（6）In lower end
Wall is disposed with survey floating ring from outside to inside（8）And ptfe ring（9）, survey floating ring（8）And ptfe ring（9）It is close to be connected；Device shell
Body（6）Upper end housing wall forms fairlead, surveys floating ring lead-out wire（5）Thus extending apparatus housing（6）It is outside；Bottom end cover（12）Bottom
Damping cup is fixed in portion（10）, damp cup（10）Draw ground wire lead-out wire in bottom（14）, damp cup（10）Inner bottom surface forms simulation ball
Axle nest（11）.
2. ball-type hydrodynamic bearing floats analogue measurement device in a kind of flywheel bearing system according to claim 1, it is special
Sign is：Described device housing（6）For the socket type structure of open at both ends.
3. ball-type hydrodynamic bearing floats analogue measurement device in a kind of flywheel bearing system according to claim 1, it is special
Sign is：The upper end cover（4）Lower surface and bottom end cover（12）Upper surface is respectively formed bulge loop, and bulge loop stretches into device case（6）It is interior
Portion, with device case（6）Housing wall is bolted.
4. ball-type hydrodynamic bearing floats analogue measurement device in a kind of flywheel bearing system according to claim 3, it is special
Sign is：The bulge loop external diameter and device case（6）Internal diameter is engaged.
5. ball-type hydrodynamic bearing floats analogue measurement device in a kind of flywheel bearing system according to claim 1, it is special
Sign is：The upper end cover（4）And bottom end cover（12）Centre is provided with through hole.
6. ball-type hydrodynamic bearing floats analogue measurement device in a kind of flywheel bearing system according to claim 1, it is special
Sign is：The model rotor（7）Upper end passes through upper end cover（4）Intermediate throughholes and insulated connecting piece（3）It is fixed.
7. ball-type hydrodynamic bearing floats analogue measurement device in a kind of flywheel bearing system according to claim 1, it is special
Sign is：The simulation ball bearing（13）Through bottom end cover intermediate throughholes, simulation ball axle nest is stretched into（11）Place.
8. ball-type hydrodynamic bearing floats analogue measurement device in a kind of flywheel bearing system according to claim 1, it is special
Sign is：The micrometer fixed support（2）For hollow frame structure, insulated connecting piece（3）It is placed in micrometer fixed support
（2）It is internal.
9. ball-type hydrodynamic bearing floats analogue measurement device in a kind of flywheel bearing system according to claim 1, it is special
Sign is：The damping cup is the hollow circular cylinder structure of open at one end, and upper end outer circumferential wall forms flange, flange and bottom end cover
（12）It is bolted.
10. ball-type hydrodynamic bearing floats analogue measurement device in a kind of flywheel bearing system according to claim 1, it is special
Sign is：The simulation ball axle nest（11）, simulation ball bearing（13）Coaxial line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720580751.4U CN206891724U (en) | 2017-05-24 | 2017-05-24 | Ball-type hydrodynamic bearing floats analogue measurement device in a kind of flywheel bearing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720580751.4U CN206891724U (en) | 2017-05-24 | 2017-05-24 | Ball-type hydrodynamic bearing floats analogue measurement device in a kind of flywheel bearing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206891724U true CN206891724U (en) | 2018-01-16 |
Family
ID=61319689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720580751.4U Expired - Fee Related CN206891724U (en) | 2017-05-24 | 2017-05-24 | Ball-type hydrodynamic bearing floats analogue measurement device in a kind of flywheel bearing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206891724U (en) |
-
2017
- 2017-05-24 CN CN201720580751.4U patent/CN206891724U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Hao Shujun Inventor after: Wei Qiang Inventor after: Gao Yanan Inventor after: Ma Changsong Inventor after: Zhang Hui Inventor before: Hao Shujun Inventor before: Wei Qiang Inventor before: Gao Yanan Inventor before: Ma Changsong Inventor before: Zhang Hui |
|
| 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: 20180116 Termination date: 20200524 |