CN209046418U - A kind of high speed rotating unit using bush(ing) bearing - Google Patents
A kind of high speed rotating unit using bush(ing) bearing Download PDFInfo
- Publication number
- CN209046418U CN209046418U CN201822228832.5U CN201822228832U CN209046418U CN 209046418 U CN209046418 U CN 209046418U CN 201822228832 U CN201822228832 U CN 201822228832U CN 209046418 U CN209046418 U CN 209046418U
- Authority
- CN
- China
- Prior art keywords
- bush
- ing
- bearing
- rotor
- rotation axis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of high speed rotating unit using bush(ing) bearing, the utility model can drive the revolving speed of up to tens of thousands of turns of object generation in the case where energization using electromagnetic force, comprising: rotor is fixed in rotation axis；Stator is placed in outside the rotor, with the rotor coaxial；Bush(ing) bearing is socketed in the rotation axis, forms the support to rotor；Vibrating sensor is measured for the vibration values to sliding bearing；Shell, for installing stator, bush(ing) bearing and vibrating sensor.A kind of vibration monitoring method of bush(ing) bearing, comprising: be powered, using electromagnetism power drive rotor, achieve the purpose that high-speed driving object rotates.
Description
Technical field
The utility model relates to technical field of motors, more particularly to a kind of electric machine of bush(ing) bearing.
Background technique
Motor is generally divided into 2 poles, 4 poles, 6 poles, 8 extremely etc., and the smaller revolving speed for representing motor of number is higher, but current standard type
Namely 3000 rpms or so of 2 pole motor speeds, it is difficult to realize the requirement of more high-revolving application scenarios.
The bearing that motor uses is divided into two class of rolling bearing and sliding bearing again according to the difference of the friction properties of the moving elements.Rolling
Dynamic bearing structure feature is larger, and vibration and noise are also larger, and the calorific value under especially high revolving speed is serious, limits motor speed
Increase.Sliding bearing is based on its characteristic, is chiefly used in high revolving speed, the device application scenarios of high-mechanic need outer fuel feeding to guarantee
Pressure between bearing and axis takes away the heat that a part of bearing and axis generate under high-speed friction simultaneously.
Vibration values in bush(ing) bearing operational process directly affect the reliable rows of device operation, service life even safety
Property, this is just needed in the vibration for detecting device bearing in actual operation, and adds control.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of high speed using bush(ing) bearing
Rotating device, the utility model can be realized high-speed cruising state of the motor at tens of thousands of rpms, and need to monitor radial cunning
Dynamic bearing vibrational state protects motor.
Purpose of the utility model is realized as follows:
A kind of high speed rotating unit using bush(ing) bearing, comprising:
Rotor is fixed in rotation axis；
Stator is placed in outside the rotor, with the rotor coaxial；
Bush(ing) bearing is socketed in the rotation axis, forms the support to rotor；
Vibrating sensor is measured for the vibration values to sliding bearing；
Shell, for installing stator, bush(ing) bearing and vibrating sensor.
Preferably, the quantity of the bush(ing) bearing is two.
Preferably, the rotation axis is stretched out at the both ends of the rotor, and two bush(ing) bearings are respectively supported at rotor
In the rotation axis at both ends.
Preferably, the rotation axis is stretched out in one end of the rotor, and two bush(ing) bearings are supported in the rotor end
Rotation axis on.
Preferably, the vibrating sensor connects pre-decoder by signal wire, and vibrating sensor is passed through opposite position
It moves the electric current generated or voltage signal is reduced to vibration values.
Preferably, the shell is built-in with lubricating and cooling system.
Preferably, the rotor is permanent magnet, and is mounted in the rotation axis, and the stator is the silicon for being wound with copper coil
Steel disc.
A kind of vibration monitoring method of bush(ing) bearing, including vibration monitoring device, method include:
It is powered, using electromagnetism power drive rotor, high-speed motor actual running speed, state is simulated, at this point, vibrating sensor
By the state of rotation axis, current or voltage value is obtained；
Current or voltage value is converted to obtain the vibration values of bush(ing) bearing；
By the vibration values monitored, the import oil pressure of sliding bearing is adjusted to inhibit vibration or stoppage protection.
By adopting the above-described technical solution, the utility model has the following beneficial effects:
The utility model can be run by the high revolving speed of electromagnetic drive motor, and pass through monitoring high-speed motor actual motion shape
Bush(ing) bearing vibrational state adjusts oil inlet oil pressure or stoppage protection under state.
Detailed description of the invention
Fig. 1 is the scheme of installation of rotor；
Fig. 2 and Fig. 3 is the structural schematic diagram of two kinds of embodiments of the utility model.
Appended drawing reference
In attached drawing, 1 is stator, and 2 be rotor, and 3 be bush(ing) bearing, and 4 be vibrating sensor, and 5 be counterweight simulator,
6 be rotation axis, and 7 be steel ring, and 8 be hot jacket or nut, and 9 be shell.
Specific embodiment
Referring to figures 1-3, a kind of high speed rotating unit using bush(ing) bearing, including high speed electromagnetic driving device,
The fixation device of bush(ing) bearing, vibration monitoring device and above-mentioned parts, i.e. shell (not shown).
The high speed electromagnetic driving device is high-speed motor, including stator and rotor, and rotor is fixed in rotation axis
Permanent magnet, stator are the silicon steel sheet for being wound with copper coil, the circumferential position being fixed on a certain distance from rotor.
The bush(ing) bearing is the means bearing under high speed electromagnetic driving device actual motion state；The vibration prison
Survey that device is the electric current that generates by relative displacement of vibrating sensor or voltage signal passes through signal wire to pre-decoder also
It originally is vibration values；The shell need to play the role of being fixed vibrating sensor, fixing bearing and bearing support, and fixed high speed is driven
The stator of dynamic device and heat dissipation.
Working method:
It is powered, is run using electromagnetism power drive rotor portion, vibrating sensor passes through the acceleration etc. of testee at this time
Current or voltage value is obtained, decodes to obtain the vibration values of bush(ing) bearing at this time by pre-decoder.In conjunction with JB/T
In 4113-1995 2.3.7 part be calculated the revolving speed operation under vibration limit value, by PLC control system, take adjust into
The modes such as oil pressure are to inhibit to vibrate or be more than that limit value carries out stoppage protection.
The utility model is not limited solely to above-described embodiment, can be used for simulation high-speed motor actual running speed,
Therefore state can monitor the similar vibrational state of bush(ing) bearing, the present embodiment under high-speed motor actual motion state
In, the rotary part of the vibration monitoring device uses overall simplification structure, the center of gravity of main analog root diameter, rotary part
The branch tie distance and Support Position of position and bush(ing) bearing.
As Fig. 1 by the rotor portion of high speed electromagnetic driving device with glue sticking on the rotating shaft, outside fixed with steel ring, turn
The step surface positioning of one end rotation axis of son, steel ring, the other end are compressed by hot jacket or nut, high speed electromagnetic driving device
Stationary part be fixed on external shell；Bush(ing) bearing is placed in corresponding position, and Fig. 2 Fig. 3 two can be used in integral arrangement
Kind pattern, and mating corresponding lubricating system, partial lubrication pipeline are integrated in outer enclosure and are mentioned with facilitating for bush(ing) bearing
For lubricating and taking away heat；Vibrating sensor is installed on shell, and the probe portion and bush(ing) bearing of vibrating sensor are kept
The counterweight part of suitable distance, device revolving part overall simplification structure individually can integrally be made with rotation axis connection or with rotation axis
It makes.
Finally, it is stated that preferred embodiment above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, to the greatest extent
Pipe has been described in detail the utility model by above preferred embodiment, but those skilled in the art should manage
Solution, can make various changes, without departing from the utility model claims book institute to it in the form and details
The range of restriction.
Claims (7)
1. a kind of high speed rotating unit using bush(ing) bearing characterized by comprising
Rotor is fixed in rotation axis；
Stator is placed in outside the rotor, with the rotor coaxial；
Bush(ing) bearing is socketed in the rotation axis, forms the support to rotor；
Vibrating sensor is measured for the vibration values to sliding bearing；
Shell, for installing stator, bush(ing) bearing and vibrating sensor.
2. a kind of high speed rotating unit using bush(ing) bearing according to claim 1, which is characterized in that the diameter
It is two to the quantity of sliding bearing.
3. a kind of high speed rotating unit using bush(ing) bearing according to claim 2, which is characterized in that described turn
The rotation axis is stretched out at the both ends of son, and two bush(ing) bearings are respectively supported in the rotation axis of two ends of rotor.
4. a kind of high speed rotating unit using bush(ing) bearing according to claim 2, which is characterized in that described turn
The rotation axis is stretched out in one end of son, and two bush(ing) bearings are supported in the rotation axis at the rotor end.
5. a kind of high speed rotating unit using bush(ing) bearing according to claim 1 to 4, which is characterized in that
The vibrating sensor connects pre-decoder by signal wire, electric current that vibrating sensor is generated by relative displacement or
Voltage signal is reduced to vibration values.
6. a kind of high speed rotating unit using bush(ing) bearing according to claim 1 to 4, which is characterized in that
The shell is built-in with lubricating and cooling system.
7. a kind of high speed rotating unit using bush(ing) bearing according to claim 1 to 4, which is characterized in that
The rotor is permanent magnet, and is mounted in the rotation axis, and the stator is the silicon steel sheet for being wound with copper coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822228832.5U CN209046418U (en) | 2018-12-28 | 2018-12-28 | A kind of high speed rotating unit using bush(ing) bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822228832.5U CN209046418U (en) | 2018-12-28 | 2018-12-28 | A kind of high speed rotating unit using bush(ing) bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209046418U true CN209046418U (en) | 2019-06-28 |
Family
ID=67045048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822228832.5U Active CN209046418U (en) | 2018-12-28 | 2018-12-28 | A kind of high speed rotating unit using bush(ing) bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209046418U (en) |
-
2018
- 2018-12-28 CN CN201822228832.5U patent/CN209046418U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201788086U (en) | Five degree-of-freedom magnetic levitation bearing mechanical test stand | |
| CN110567660B (en) | Unbalance excitation test bed for elastic support rotor system and method for measuring rigidity of elastic ring of unbalance excitation test bed | |
| EP2518864A2 (en) | Synchronous brushless multipolar machine having immobile armature and field windings | |
| CN2852504Y (en) | Shockproof device for stator and stand in external rotor motor | |
| GB2531751A (en) | Bearing assembly with integrated generator | |
| CN109579981A (en) | A kind of vibration monitoring device and method of bush(ing) bearing | |
| CN103904860A (en) | Coaxial sleeve type permanent magnetic eddy-current coupler with fixed end face | |
| CN102721510A (en) | Electromagnet-permanent magnet mixed type online active balance head structure for rotary machine and control method thereof | |
| CN209046418U (en) | A kind of high speed rotating unit using bush(ing) bearing | |
| KR101656482B1 (en) | Simulator for endurance test of wind turbine | |
| CN101373917A (en) | Multi-disc type permanent magnet synchronous motor | |
| RU119822U1 (en) | WIND POWER INSTALLATION | |
| JP4808256B2 (en) | Generator and gas turbine power generation equipment using the same | |
| CN110736621B (en) | Dynamic cooling measuring device for radial dynamic pressure air bearing | |
| CN109625246B (en) | Internal excitation automatic balancing device for propeller | |
| CN208184892U (en) | A kind of low wind speed vertical axis wind power generator | |
| US9588007B2 (en) | Method and apparatus for turbine engine rotor automatic self balancing | |
| KR20170140936A (en) | generator | |
| CN220641339U (en) | Carrier roller structure | |
| CN110425082A (en) | A kind of generating set yaw system and method and yaw driving method | |
| CN114739675B (en) | Variable-frequency electromagnetic drive roller-raceway failure principle test device | |
| CN215672544U (en) | Wind driven generator adopting magnetic suspension bearing | |
| CN211717681U (en) | Permanent magnet power measuring equipment with disc type structure | |
| RU2199176C1 (en) | Electric drive for intermittently running machines and mechanisms | |
| CN102237768A (en) | Generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |