CN207763955U - Aviation high speed roller bearing Work condition analogue device - Google Patents
Aviation high speed roller bearing Work condition analogue device Download PDFInfo
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- CN207763955U CN207763955U CN201820177228.1U CN201820177228U CN207763955U CN 207763955 U CN207763955 U CN 207763955U CN 201820177228 U CN201820177228 U CN 201820177228U CN 207763955 U CN207763955 U CN 207763955U
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- bearing
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- room temperature
- lubricating
- high temperature
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Abstract
The utility model proposes a kind of aviation high speed roller bearing Work condition analogue devices, including：Bearing main body system, electro spindle drive system, lubricating system, hydraulic loading system；Bearing main body system includes resistance to high profit cavity and room temperature cavity, and test bearing is placed in high temperature cavity, and spring bearing is placed in room temperature cavity, and load bearings use grease lubrication roller bearing；Drive system is made of high-speed electric main shaft and independent cooling and lubricating system；Lubricating system room temperature oil circuit connection room temperature cavity, high temperature oil circuit connection high temperature cavity；Hydraulic loading system axial force loads end and is loaded directly into axial load to test bearing outer ring, and radial load loads end and loads radial load to load bearings, and radial load is transmitted to test bearing by shafting；Utility model device simulates aircraft bearing rotating speed by electro spindle drive system, and hydraulic loading system and lubricating system realize machinery and the Work condition analogue of thermal force, and more accurate condition is provided for the monitoring of aircraft bearing motion state and Performance Evaluation.
Description
Technical field
The utility model belongs to bearing test and testing field more particularly to a kind of aviation high speed roller bearing Work condition analogue
Device.
Background technology
In aero-engine field, as the component of support rotor-support-foundation system rotation, bearing is usually operated at high temperature, height turns
Under speed, the bad working environments of top load, the multiple action of high speed, thermal force and mechanical load subject.Bearing failure is to cause to send out
Motivation failure influences an important factor for service life of aeroengine, therefore assesses working condition tool of the bearing in actual engine
There is important engineering significance.Test assessment is carried out to aircraft bearing at present, the simulation of bearing high speed and mechanical load can only be met,
Influence of the high temperature lubricating condition to bearing movable state is had ignored, result has larger gap with bearing real work state.
In order to simulate realistically the real working condition of aviation high-speed bearing, utility model thermal force and mechanical load, high speed conditions
Synchronously simulating device, real working condition of the simulation bearing in aero-engine, is its condition monitoring, life appraisal and failure analysis
More effective test assessment means are provided.
Utility model content
The utility model aim is to provide a kind of aviation high speed roller bearing Work condition analogue device, solves existing bearing and try
It tests in device and lacks the defect that thermal force, mechanical load, high rotating speed synchronize load, simulate realistically bearing operating mode.
To solve the above-mentioned problems, the technical solution of the utility model is：
A kind of aviation high speed roller bearing Work condition analogue device includes the bearing main body with high temperature cavity and room temperature cavity
System, with the lubricating system of independently supplying high temperature lubricating oil and room temperature lubricating oil function simultaneously, have and load simultaneously axially and radially
The hydraulic loading system of loading functionality has the high-revolving electro spindle drive system of offer.
Preferably, the bearing main body system includes installation shell, rotary shaft, load bearings, test bearing, support shaft
It holds；Rotary shaft uses dummy axle shaft, it is therefore an objective to avoid rotary shaft when load radial load from generating Bending Deformation, test bearing is avoided to add
Moment of flexure is loaded when carrying radial load.
Preferably, the installation shell is divided into two cavitys, and respectively high temperature lubricating cavity and room temperature lubricates cavity, and two
A cavity is mutually isolated；Rotary shaft is installed in installation shell；Load bearings are installed in the middle part of rotary shaft；Spring bearing is installed on
Rotary shaft right end is placed in room temperature cavity；Test bearing is installed on rotary shaft left end, is placed in high temperature cavity.Using this
The bearing support mode of sample makes rotary shaft stability higher at high speed, and it is to apply thermal force that test bearing, which is placed in left end,
It is more convenient when with axial mechanical load, while reducing the heat transfer between other component, test accuracy higher.
Preferably, lubricating system includes room temperature and high temperature two sets of independent confessions, oil return apparatus；Room temperature lubricating system passes through pipeline
It is connect with bearing main body room temperature cavity, lubricates spring bearing；High temperature lubricating system is connected by pipeline and bearing main body high temperature cavity
It connects, heats simultaneously lubrication test bearing.Room temperature oil pump pumps lubricating oil to spring bearing from room temperature fuel tank, will by room temperature scavenge oil pump
Lubricating oil blowback room temperature oil tank；Lubricating oil is heated to assigned temperature by the pipeline heater for being built in high temperature oil tank, is slided by high temperature
Oil pump is pumped to test bearing, by high temperature scavenge oil pump by lubricating oil blowback high temperature oil case.It is using two sets of independent oil return feeding systems
Lead to heat loss in order to avoid high temperature is mixed with room temperature lubricating oil, improves thermal force loading accuracy；Two sets of independent systems are also more just
It is more flexible autonomous in a variety of operating condition of test of setting；The independent scheme for oil return avoid spring bearing oil circuit to oil temperature,
The case where influence of the parameters such as lubricating oil pressure, wear metal particle, the technical parameter of measurement strictly reflects test bearing.
Preferably, load bearings use grease lubrication roller bearing.Purpose is to simplify system, easily to reduce lubricant passage way
In replacement and safeguard.
Preferably, pipeline heater is installed in high temperature oil tank, lubricating oil is heated to test temperature, heating temperature can
Control.Quickly lubricating oil can be heated in such a way that pipeline heater is heated, meet test bearing thermal force and add
The real-time of load.Pipeline heater uses electrical heating simultaneously, has many advantages, such as that safety coefficient height, control accuracy are high.
Preferably, hydraulic loading system is connect by pipeline and load end with bearing main body, respectively to outside load bearings
Circle applies radial load and applies axial force to test bearing outer ring.
Preferably, hydraulic loaded component include hydraulic oil container, hydraulic oil pump, hydraulic oil current divider, radial load load end,
Axial force loads end；Hydraulic loaded component is directly acted on radial mechanical load on load bearings outer ring by hydraulic pump,
Radial mechanical load is transmitted to test bearing by rotary shaft；Axial load loads end by axial hydraulic and is loaded directly into examination
Test bearing outer ring.Purpose is simplified system by the way of load bearings and axial rotary test bearing conduction radial load, and is made
Radial load steadily loads on test bearing.
Preferably, electro spindle drive system includes independent lubrication unit and cooling unit.
Preferably, electro spindle drive system lubricating system lubricates for air-fuel mixture, it is therefore an objective to the electro spindle of ultrahigh rotating speed
Carry out significantly more efficient lubrication.
Preferably, the electro spindle drive system type of cooling is water cooling, it is therefore an objective to be carried out more to the electro spindle of ultrahigh rotating speed
It is effective cooling.
As a result of above-mentioned technology, the good effect for being allowed to have compared with prior art is the utility model：
1, the device, which has to test bearing, synchronizes load thermal force, axially and radially mechanical load and high speed conditions
Ability, can truer simulation bearing real working condition；2, often set system can work independently, in load range ability
Arbitrarily simulate high temperature, room temperature, axial load, radial load, high-revolving operating mode；3, the experiment loading unit is fexible unit,
Rotary shaft and bearing block need to be only provided for simple replacement of for different test bearings, there is stronger extended capability.
Description of the drawings
Fig. 1 is the principle schematic of the utility model aviation high speed roller bearing Work condition analogue device.
Fig. 2 is the bearing main body schematic diagram of the utility model aviation high speed roller bearing Work condition analogue device.
Fig. 3 is the bearing lubrication system principle schematic of the utility model aviation high speed roller bearing Work condition analogue device.
Fig. 4 is the bearing hydraulic loading system principle signal of the utility model aviation high speed roller bearing Work condition analogue device
Figure.
Fig. 5 is the electro spindle drive system principle signal of the utility model aviation high speed roller bearing Work condition analogue device
Figure.
In figure, 1- bearing main body systems, 2- lubricating systems, 3- hydraulic loading systems, 4- electro spindle drive systems, 11- peaces
Dress shell, 12- rotary shafts, 13- load bearings, 14- test bearings, 15- spring bearings, 16- high temperature cavitys, 17- room temperature cavitys,
21- room temperature oil pumps, 22- room temperature oil tanks, 23- room temperature scavenge oil pumps, 24- high temperature oil tanks, 25- pipeline heaters, 26- high temperature
Oil pump, 27- high temperature scavenge oil pumps, 31- hydraulic oil containers, 32- hydraulic oil pumps, 33- hydraulic oil current dividers, 34- axial force loading ends
Head, 35- radial loads load end, 36- overflow valves, 37- overflow valves, 41- electro spindle lubrication units, 42- electro spindle cooling units,
43- electro spindles.
Specific implementation mode
In order to be better understood from and implement, specific embodiment is provided below in conjunction with the accompanying drawings, the utility model aviation is described in detail
High speed roller bearing Work condition analogue device.
A kind of aviation high speed roller bearing Work condition analogue device shown in referring to Fig. 1 and Fig. 2, including bearing main body 1, lubrication
System 2, hydraulic loading system 3, electro spindle drive system 4；
The bearing assembly 1 includes installation shell 11, rotary shaft 12, load bearings 13, test bearing 14, spring bearing
15；Installation shell 11 is divided to for two cavitys, and respectively high temperature lubricating cavity 16 and room temperature lubricate cavity 17, and two cavitys are mutually separated by
From；Rotary shaft is installed on by load bearings 13, test bearing 14, spring bearing 15 in installation shell 11, and load bearings 13 are pacified
Loaded on 12 middle part of rotary shaft, test bearing 14 is installed on the left end of rotary shaft 12, is placed in high temperature lubricating cavity 16；Support shaft
It holds 15 to be installed side by side by two identical bearings, is installed on 12 right end of rotary shaft, be placed in room temperature lubrication cavity 17.
Fig. 3 is the operation principle schematic diagram of lubricating system 2, and lubricating system 2 includes room temperature lubrication assembly and high temperature lubricating group
Part, room temperature lubrication assembly is independent to 15 fuel feeding of spring bearing, and high temperature lubricating component is independent to 14 fuel feeding of test bearing, load bearings
Using the roller bearing of grease lubrication.
System includes room temperature oil pump 21, room temperature oil tank 22, room temperature scavenge oil pump 23, high temperature oil tank 24, pipeline heating
Device 25, high temperature oil pump 26, high temperature scavenge oil pump 27.Lubricating oil is heated to assigned temperature by pipeline heater 25, by high temperature oil pump
26 pumps are to the test bearing 14 in high temperature cavity 16, by high temperature scavenge oil pump 27 by oil return blowback high temperature oil tank 24, oil return process
Filtering, Oil-gas Separation, cooling three steps need to be passed through；Room temperature oil pump 21 is by the support in room temperature oil pump to room temperature cavity 17
Bearing 15, by room temperature scavenge oil pump 23 by oil return blowback room temperature oil tank 22, oil return process need to pass through two filtering, Oil-gas Separation steps
Suddenly.
Fig. 4 is the operation principle schematic diagram of hydraulic loading system 3, and hydraulic loading system 3 loads end 35 by radial load
Radial load is loaded to load bearings 13, which is transmitted to test bearing 14 by rotary shaft 12；It is loaded by axis axial force
End 34 directly loads axial load to test bearing outer ring.
System includes hydraulic oil container 31, hydraulic oil pump 32, hydraulic pressure oil eliminator 33, axial force load end 34, radial load
Load end 35.Hydraulic oil pump 32 loads end 34 and radial load load end 35 to axial force and is set according to load and provide difference
Pressure, radial load loads end 35 by radial load and is loaded directly into 13 outer ring of load bearings, by rotary shaft 12 by diameter
To load transmission in test bearing 14；Axial load loads end 34 by axial force and is loaded directly into 14 outer ring of test bearing；
To complete the load of test bearing axially and radially load；Pass through current divider 33, overflow valve 36,37 synchronous control axis of overflow valve
End 34 is loaded to power and radial load loads the flow and pressure of end 35, realizes that the synchronous control of axial force and radial load adds
It carries.
Fig. 5 is the schematic diagram of electro spindle drive system 4, including independent electro spindle lubricating system 41 and electro spindle cooling system
System 42, electro spindle 43 is lubricated electro spindle by oil fog generator by lubricating oil atomization, at the same using water-cooling pattern into
Row cooling.
Claims (9)
1. aviation high speed roller bearing Work condition analogue device, which is characterized in that including：Axis with high temperature cavity Yu room temperature cavity
Hold system of subject（1）；Lubricating system with independently supplying high temperature lubricating oil and room temperature lubricating oil function simultaneously（2）, lubricating system with
Bearing main body system（1）Pass through piping connection；With the hydraulic loading system for loading axially and radially mechanical load function simultaneously
（3）, pass through fluid pressure line and bearing main body system（1）Connection；With the high-revolving electro spindle drive system of offer（4）, pass through
Shaft coupling and bearing main body system（1）Connection.
2. aviation high speed roller bearing Work condition analogue device according to claim 1, which is characterized in that the bearing master
System is united（1）Including installing shell（11）, rotary shaft（12）, load bearings（13）, test bearing（14）, spring bearing（15）；
Shell is installed（11）It is divided into high temperature lubricating cavity（16）Cavity is lubricated with room temperature（17）, two cavitys are mutually isolated；Rotary shaft
（12）It is installed on installation shell（11）In；Load bearings（13）It is installed on rotary shaft（12）Middle part；Spring bearing（15）It is installed on
Rotary shaft（12）Right end is placed in room temperature lubrication cavity（17）In；Test bearing（14）It is installed on rotary shaft（12）Left end, juxtaposition
In high temperature lubricating cavity（16）In.
3. aviation high speed roller bearing Work condition analogue device according to claim 1, which is characterized in that the lube system
System（2）Including room temperature and high temperature two sets of independent confessions, oil return apparatus；Room temperature oil pump（21）By lubricating oil from room temperature oil tank（22）Pump
To spring bearing（15）, pass through room temperature scavenge oil pump（23）By lubricating oil blowback room temperature oil tank（22）；It is built in high temperature oil tank
（24）Pipeline heater（25）Lubricating oil is heated to assigned temperature, by high temperature oil pump（26）It pumps to test bearing（14）, lead to
Cross high temperature scavenge oil pump（27）By lubricating oil blowback high temperature oil tank（24）.
4. aviation high speed roller bearing Work condition analogue device according to claim 2, which is characterized in that the loading axis
It holds（13）Using the roller bearing of grease lubrication.
5. aviation high speed roller bearing Work condition analogue device according to claim 3, it is characterised in that：
Pipeline heater（25）It is installed on high temperature oil tank（24）It is interior, lubricating oil is heated to test temperature, heating temperature is controllable.
6. aviation high speed roller bearing Work condition analogue device according to claim 1, which is characterized in that hydraulic loading system
（3）Including hydraulic oil container（31）, hydraulic oil pump（32）, hydraulic oil current divider（33）, axial force load end（34）, radial load adds
Carry end（35）；Hydraulic loading system（3）Pass through hydraulic oil pump（32）Radial mechanical load is loaded into end by radial load
（35）Directly act on load bearings（13）On outer ring, radial mechanical load passes through rotary shaft（12）It is transmitted to test bearing
（14）；Axial load loads end by axial force（34）It is loaded directly into test bearing（14）Outer ring.
7. aviation high speed roller bearing Work condition analogue device according to claim 1, which is characterized in that electro spindle driving system
System（4）Including independent electro spindle lubrication unit（41）, electro spindle cooling unit（42）, electro spindle（43）.
8. aviation high speed roller bearing Work condition analogue device according to claim 7, which is characterized in that electro spindle driving system
System（4）Lubricating system lubricates for air-fuel mixture.
9. aviation high speed roller bearing Work condition analogue device according to claim 7, which is characterized in that electro spindle driving system
System（4）The type of cooling is water cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820177228.1U CN207763955U (en) | 2018-02-01 | 2018-02-01 | Aviation high speed roller bearing Work condition analogue device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820177228.1U CN207763955U (en) | 2018-02-01 | 2018-02-01 | Aviation high speed roller bearing Work condition analogue device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207763955U true CN207763955U (en) | 2018-08-24 |
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ID=63179943
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820177228.1U Active CN207763955U (en) | 2018-02-01 | 2018-02-01 | Aviation high speed roller bearing Work condition analogue device |
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| Country | Link |
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| CN (1) | CN207763955U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357869A (en) * | 2018-10-15 | 2019-02-19 | 西北工业大学 | Bearing rotation and radial load combined test device under hot environment |
| CN109374295A (en) * | 2018-12-04 | 2019-02-22 | 新奥能源动力科技（上海）有限公司 | A kind of bearing performance test device |
| CN111855212A (en) * | 2020-07-31 | 2020-10-30 | 沈阳建筑大学 | Device for detecting service performance of all-ceramic rolling bearing under ultralow-temperature wide-temperature-range working condition |
| CN111896258A (en) * | 2020-07-31 | 2020-11-06 | 沈阳建筑大学 | Ultra-low temperature vacuum seal structure and full ceramic rolling bearing performance testing device |
| CN111896259A (en) * | 2020-07-31 | 2020-11-06 | 沈阳建筑大学 | Ceramic roller bearing loading and testing system for low-temperature vacuum environment |
-
2018
- 2018-02-01 CN CN201820177228.1U patent/CN207763955U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357869A (en) * | 2018-10-15 | 2019-02-19 | 西北工业大学 | Bearing rotation and radial load combined test device under hot environment |
| CN109374295A (en) * | 2018-12-04 | 2019-02-22 | 新奥能源动力科技（上海）有限公司 | A kind of bearing performance test device |
| CN111855212A (en) * | 2020-07-31 | 2020-10-30 | 沈阳建筑大学 | Device for detecting service performance of all-ceramic rolling bearing under ultralow-temperature wide-temperature-range working condition |
| CN111896258A (en) * | 2020-07-31 | 2020-11-06 | 沈阳建筑大学 | Ultra-low temperature vacuum seal structure and full ceramic rolling bearing performance testing device |
| CN111896259A (en) * | 2020-07-31 | 2020-11-06 | 沈阳建筑大学 | Ceramic roller bearing loading and testing system for low-temperature vacuum environment |
| CN111896259B (en) * | 2020-07-31 | 2023-01-24 | 沈阳建筑大学 | Ceramic roller bearing loading and testing system for low-temperature vacuum environment |
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