CN106525429A - Angular contact bearing dual-rotor testing machine - Google Patents
Angular contact bearing dual-rotor testing machine Download PDFInfo
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- CN106525429A CN106525429A CN201611217763.7A CN201611217763A CN106525429A CN 106525429 A CN106525429 A CN 106525429A CN 201611217763 A CN201611217763 A CN 201611217763A CN 106525429 A CN106525429 A CN 106525429A
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- bearing
- test
- oil
- angular contact
- armature spindle
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
- G01M13/045—Acoustic or vibration analysis
Abstract
The invention discloses an angular contact bearing dual-rotor testing machine, which comprises a machine base, wherein a rotor shaft, a radial loading device, axial loading devices, a monitoring device and a lubricating system are arranged on the machine base, the rotor shaft is used for installing a testing bearing, the radial loading device applies a radial load on the testing bearing, the axial loading devices apply axial loads on the testing bearing, the rotor shaft is composed of an inner ring rotor shaft and an outer ring rotor shaft, the testing bearing sleeves on a testing end of the inner ring rotor shaft, an outer ring of the testing bearing is fixedly connected with a testing end of the outer ring rotor shaft, a floating end of the inner ring rotor shaft and a floating end of the outer ring rotor shaft are each provided with one axial loading device; the inner ring rotor shaft is further provided with the radial loading device; and the outer ring rotor shaft is further provided with a test-assistant cylindrical roller bearing, and the monitoring device is arranged above the test-assistant cylindrical roller bearing. The angular contact bearing dual-rotor testing machine provided by the invention is suitable for tests of high-temperature and high-speed operating large inter-shaft bearings.
Description
Technical field
The present invention relates to bearing tester technical field, specifically a kind of angular contact bearing birotor testing machine.
Background technology
Bearing is important, key foundation parts in equipment manufacturing, directly decides performance, reliability and the longevity of equipment
Life；Due to bearing work under bad environment, the load working condition that bears is complicated, will have long enough even to equip life cycle management exempts from
Safeguard etc., during designing and developing and manufacturing must the countershaft checking for making corresponding simulated condition on testing machine,
For research, design, manufacture and using providing reliable test data, for the design of bearing, manufacture and use foundation is provided.It is high
Temperature, the research and development of high speed and precision bearing, design, manufacture and its experimental technique are mainly monopolized by external a few, China
The research and development of such testing machine start from for the 7, eighties, due to being limited by design at that time, manufacture etc., the inside and outside diameter of test bearing
Also in only limiting, small size, limit speed is relatively low, it is impossible to meet present internal diameter more than 110mm, external diameter more than 140mm, high temperature,
The test requirements document of high rotating speed bearing.
Especially for the angular contact bearing that Internal and external cycle in work is rotated simultaneously, because which operationally will bear radially simultaneously
Load and axial load, therefore the test standard of angular contact bearings is more strict, there is no and can complete big chi in prior art
Very little, high rotating speed, the birotor testing machine of top load angular contact bearing test.
The content of the invention
In order to solve deficiency of the prior art, the present invention provides a kind of angular contact bearing birotor testing machine, it is adaptable to
The test of high temperature, the large-scale bearing for running up, birotor can respectively reach in the same direction or incorgruous driving 30000rpm, examination
Test bearing bore diameter more than or equal to 140mm, under interior ring oil temperature supplying reach 150 DEG C, operating temperature reach 260 DEG C, radial loaded
60KN。
To achieve these goals, the concrete scheme that adopts of the present invention for：
A kind of angular contact bearing birotor testing machine, including support, are separately provided for installing test bearing on support
Armature spindle, to test bearing apply radial load radial loading device, to test bearing apply axial load it is axially loaded
Device, monitoring device and lubricating system, the armature spindle are made up of inner ring armature spindle and outer ring armature spindle, and test bearing is set in
The test end of inner ring armature spindle, its outer ring are fixedly connected with the test end of outer ring armature spindle, the floating end of the inner ring armature spindle
With an axial loading device is each provided with the floating end of outer ring armature spindle, respectively by inner ring armature spindle and outer ring armature spindle
Apply axial load in opposite direction to test bearing；Radial loaded bearing, the footpath are additionally provided with the inner ring armature spindle
It is arranged on above radial loaded bearing to charger and to radial loaded bearing imposed load, further by inner ring armature spindle
Radial load is transmitted to test bearing；It is additionally provided with the outer ring armature spindle and accompanies examination cylinder roller bearing, the monitoring device
It is arranged on the top for accompanying examination cylinder roller bearing.
Lubricating sleeve under ring is arranged with the test end of the inner ring armature spindle, the test bearing is set in lubricating sleeve under ring
On, the inner ring of test bearing covers axial limiting by being set in the 3rd ladder changed on lubricating sleeve；Lubricating sleeve under the ring
Inwall is ladder nested structure, and the hydraulic pressure oilhole connected with ladder nested structure is offered on end wall.
The inner ring armature spindle is quill shaft, and has multi-shoulder structure, the axial loading device and radial loaded axle
Hold and be separately positioned at two shaft shoulders, and radial loaded bearing is arranged near test bearing；The outer ring armature spindle is quill shaft,
Its test end is cylindrical and internal diameter is more than the internal diameter of axle body, tests the tapered tubular of changeover portion at end and axle body, described to accompany examination
Cylinder roller bearing is arranged on the intersection of changeover portion and axle body.
The radial loaded bearing is cylinder roller bearing, and outer ring is fixedly connected with radial loaded bearing block, inner ring passes through
Second ladder cover axial limiting, the end of radial loaded bearing be additionally provided be fixedly connected with radial loaded bearing block for
Radial loaded bearing provides the radial loaded bearing oil-air lubrication oil distribution casing of lubricating oil.
The radial loading device includes cylinder bracket, and cylinder bracket is in inverted " v " shape, the bottom of two side arms respectively with machine
Seat is fixedly connected, and the junction of two side arms is provided with radial loaded oil cylinder, and the lower end of the Cylinder Plunger of radial loaded oil cylinder is fixed
Sensor installing plate is connected with, the bottom of sensor installing plate is fixedly installed load sensor, and the radial loaded oil cylinder drives
Dynamic Cylinder Plunger, drives load sensor that radial load is applied on radial loaded bearing block.
It is described accompany examination cylinder roller bearing be cylinder roller bearing, outer ring with accompany examination cylinder roller bearing seat be fixedly connected,
Inner ring covers axial limiting by the first ladder；Examination cylinder roller bearing seat is accompanied accompanying to be additionally provided with the upside of examination cylinder roller bearing seat
Gland, accompanies examination cylinder roller bearing seat gland to be fixedly connected with support；Respectively set the two ends of examination cylinder roller bearing seat gland are accompanied
A pressure ring is equipped with, pressure ring is fixedly connected with and will accompany examination cylinder roller bearing with examination cylinder roller bearing seat gland and support is accompanied
Seat axial limiting；It is provided with the end for accompanying examination cylinder roller bearing and is fixedly connected for accompanying with examination cylinder roller bearing seat is accompanied
Examination cylinder roller bearing provides accompanying for lubricating oil and tries cylinder roller bearing oil-air lubrication oil distribution casing.
Test bearing hatchcover is provided with the outside of the test bearing, experimental cabin is surrounded and test bearing is placed in into experimental cabin
In；Described accompanying be provided with sensor installation seat on examination cylinder roller bearing seat gland, and installation is connected with sensor installation seat
Frame, mounting bracket go deep in test bearing hatchcover；The monitoring device is passed by the infrared temperature being arranged on test bearing hatchcover
Sensor, the contactless vibrating sensor being arranged in mounting bracket and noise transducer composition.
The axial loading device is by accompanying examination angular contact bearing to inner ring armature spindle and outer ring armature spindle imposed load；Institute
State and accompany the outer ring of examination angular contact bearing to be connected with examination angular contact bearing seat is accompanied, accompany examination angular contact bearing seat to include what is be set up in parallel
Floating bearing bracket and oil distribution casing fixed seat, the outer ring for accompanying examination angular contact bearing are fixedly connected with floating bearing bracket, are being floated
It is provided with cavity between bearing block and oil distribution casing fixed seat and accompanies examination angular contact bearing oil distribution casing, passes through in oil distribution casing fixed seat
It is logical to be provided with oil input channel, lubricate oil gas Jing oil input channels feeding and accompany examination angular contact bearing oil distribution casing and sequentially pass through accompanying for internal setting
Examination angular contact bearing oil distribution casing oil duct tries to spray after angular contact bearing oil distribution casing nozzle with accompanying, to accompanying examination angular contact bearing to carry out oil
Gas lubricates；The axial loading device includes the axially loaded outer press cover for being set up in parallel and being fixedly connected and axially loaded intrinsic pressure
Lid, is along the circumferential direction evenly arranged with several hydraulic plungers and several preloading springs, hydraulic pressure on axially loaded internal gland
Plunger and preloading spring are to floating bearing bracket imposed load and are transferred to accompany examination angular contact bearing, so by inner ring armature spindle and
Outer ring rotor axial test bearing applies axial load.
The sidepiece of the support also offers the outlet of line inlet, oil drain out and Oil-gas Separation respectively；On the support also
Cover is stamped, some warp-wise reinforcements and broadwise reinforcement is being uniformly arranged on the inner surface of cover, at the top of cover
It is further opened with radial loaded mechanism via；The two ends of the testing machine are also each provided with an end cap, between end cap and armature spindle
It is provided with shaft end and is sealed closing disk.
Beneficial effect：
1st, realize to angular contact bearing simulation actual condition test is lubricated under major diameter, high temperature, high speed, ring, and turned using double
Minor structure, it is possible to achieve carry out synchronized, in the same direction friction speed in the same direction, reverse synchronized or reverse friction speed rotation to bearing Internal and external cycle simultaneously
Test；
2nd, using bilateral axial loading device, simultaneously the angular contact bearing inner ring in rotation and outer ring can be applied axially to carry
Lotus, it is also possible to select unidirectional loading, adapt to different tests demand；
3rd, axial loading device carries out prestrain using multiple preloading springs, and loading force is uniform, flexibly can change to adapt to not
With the needs for accompanying examination angular contact bearing；
4th, with the raising of rotating shaft rotating speed, axially loaded employing multi-plunger hydraulic cylinder carries out following loading, and loading accuracy is high, loading
Ride comfort is good, corresponding speed is fast, adapts to Multiple Type bearing designation test requirements document；
5th, loaded by accompanying examination angular contact bearing and armature spindle, it is to avoid use loading sleeve, not only simplify assay device, and
And loading force is more balanced, loading effect is improve；
4th, under the ring of test bearing, the inwall of lubricating sleeve adopts stepped construction, by stepped construction internal hydraulic pressure oiling
Mode complete dismounting, compared to the mode that traditional utilization principle of expanding with heat and contracting with cold is dismounted, when changing test bearing model, it is only necessary to more
Change fixed cover is lubricated under hydraulic pressure detachable ring；Not only dismounting, easy for installation, and positioning precision is high, it is to avoid installation test
Stress concentration is produced during bearing, while it also avoid the destructions such as scuffing countershaft when test bearing is dismounted；
5th, by arranging test bearing hatchcover, realize being effectively isolated for test bearing lubricating oil and experimental enviroment, it is to avoid the external world
Lubricating oil lubricates the impact of detection to test bearing；
6th, axially loaded floating unit has installed linear bearing additional, improves positioning precision, radial rigidity, effectively reduces friction resistance
Power；
7th, axial loading device is additionally provided with force transducer, can be to loading force real-time monitoring, it is ensured that the reliable loading of testing machine
Operation；
8th, testing machine adopts sealing structure, can not only improve the overall stability of testing machine, reduces external environmental interference, and tries
Test all waste gases, oil smoke of process generation etc. to accomplish effectively to collect and process, reduce the pollution to environment；
9th, radial loaded mechanism is arranged on the pedestal of body seat bottom, and on radial loaded bearing is provided with cushion pad, is made
Loading link increased the wear-resisting link of damping, be prevented from producing impact to loading the collection of force signal, measurement because of vibration, while
Also the impact of shaft is vibrated beyond effectively prevent shafting；
10th, radial loaded mechanism passes through cover, makes cover not be subject to radial loaded power, in the relatively low situation of test speed, temperature
Under, can not fitting machine lid just carry out test adjustment, simplify experiment process, improve test efficiency；
11st, end rotatable parts are tested and adopts non-contact temperature, vibration, sensor noise, collection signal is promptly and accurately reliable, and
And each noncontacting proximity sensor, not only to install, convenient disassembly, the special air flue for also setting up can effectively prevent the dirt of each sensor
Dye, it is ensured that can normal work under 260 DEG C of working environments；
12nd, under test bearing ring, fuel feeding oil spout oil duct and test bearing chamber lower cover are arranged and are integrated, inside set 4 road oil input channels and
9 road nozzle bores, not only make structure compacter, easy disassembly and debugging, and lubrication under ring can be supplied according to test bearing
The difference of oil requires that flexible is converted；
13rd, optimization shafting in each bearing Support Position, ensure test bearing effectively load while, improve and accompany examination
The stress of cylinder roller bearing, radial loaded bearing；
14th, each bearing carries out axial limiting using ladder set, and ladder set is arranged at bearing not by the one of axial load
Side, is further opened with pouring orifice, it is possible to use the mode of hydraulic pressure is dismounted to ladder set, it is to avoid stress collection on ladder set
In, and main shaft can be protected injury-free；
15th, under ring, lubricating sleeve, ladder put the two ends that the pouring orifice for opening up is arranged on a diameter, can either ensure that ladder is enclosed within
Structure and stability under loading during rotation, will not be because of structure Asymmetric ef- fect dynamic balancing；
16th, the support meanss of all parts are connected using transition, need change to accompany examination cylinder roller bearing model according to test
When, it is only necessary to transition tool is changed, experimentation cost is not only significantly reduced, and in certain diameter scope endoadaptation Multiple Type
The needs of bearing test.
Description of the drawings
Fig. 1 is overall structure diagram；
Fig. 2 is test bearing, radial loaded bearing and the scheme of installation for accompanying examination cylinder roller bearing；
Fig. 3 is axial loading device structural representation；
Fig. 4 is radial loaded structural representation；
Fig. 5 is stand structure schematic diagram；
Fig. 6 is cover structure schematic diagram.
Reference：1st, support, 2, axial loading device, 201, axially loaded outer press cover, 202, hydraulic plunger, 203, axle
To loading internal gland, 204, preloading spring, 3, shaft end seal disk, 4, outer ring armature spindle, 5, accompany examination angular contact bearing, 6, accompany examination angle
Engagement shaft bearing, 7, cover, 8, accompany examination cylinder roller bearing, 9, test bearing, 10, radial loaded bearing, 11, radial loaded dress
Put, 1101, cylinder bracket, 1102, pressure transducer, 1103, sensor installing plate, 1104, Cylinder Plunger, 1105, radially plus
Carry oil cylinder, the 12, first ladder set, 13, accompany examination cylinder roller bearing oil-air lubrication oil distribution casing, 14, accompany examination cylinder roller bearing seat,
15th, accompany examination cylinder roller bearing seat gland, 16, test bearing hatchcover, 17, radial loaded bearing block, 18, radial loaded bearing oil
Gas lubricates oil distribution casing, the 19, second ladder set, and 20, inner ring armature spindle, the 21, the 3rd ladder set, 22, lubricating sleeve under ring, 23, sensing
Device mounting seat, 24, fourth order ladder set, 25, floating bearing bracket, 26, axially loaded overall gland, 27, oil distribution casing fixed seat, 28,
Spacer, 29, accompany examination angular contact bearing oil distribution casing nozzle, 30, accompany examination angular contact bearing oil distribution casing oil gas road, 31, accompany examination angular contact
Bearing oil distribution casing, 32, loading force transducer, 33, bearing ring, 34, oil input channel, 35, end cap, 36, pressure ring.
Specific embodiment
Embodiments of the present invention are illustrated below according to accompanying drawing.
As shown in figure 1, a kind of angular contact bearing birotor testing machine, including support 1, it is respectively provided with support 1 useful
Armature spindle in installing test bearing 9, apply the radial loading device 11 of radial load to test bearing 9, apply to test bearing 9
Plus the axial loading device 2, monitoring device and lubricating system of axial load, the armature spindle is by inner ring armature spindle 20 and outer ring turn
Sub- axle 4 is constituted, and test bearing 9 is set in the test end of inner ring armature spindle 20, and the test end of its outer ring and outer ring armature spindle 4 is fixed
Connection.
As shown in Figures 2 to 6, respectively arrange on the floating end of the floating end and outer ring armature spindle 4 of the inner ring armature spindle 20
There is an axial loading device 2, apply in opposite direction to test bearing 9 by inner ring armature spindle 20 and outer ring armature spindle 4 respectively
Axial load.Using bi-directional axial loading by the way of, can according to different tests bearing 9 need convert axially loaded side
Formula, the test loading that in the way of selecting unidirectional loading or biaxial loadings, can adapt to various test bearings 9 are required.By turning
Sub- 9 imposed load of axial test bearing, the mode phase being loaded directly into from bearing rotor side with traditional use loading sleeve
Than, not only Internal and external cycle is realized while the loading of rolling bearing, while the impact that loading sleeve is rotated to test bearing 9 is avoided,
More accurately bearing performance can be tested.
Radial loaded bearing 10 is additionally provided with the inner ring armature spindle 20, the radial loading device 11 is arranged on radially
Above load bearings 10 and to 10 imposed load of radial loaded bearing, further passed to test bearing 9 by inner ring armature spindle 20
Pass radial load；It is additionally provided with the outer ring armature spindle 4 and accompanies examination cylinder roller bearing 8, the monitoring device is arranged on accompanies examination
The top of cylinder roller bearing 8.
Lubricating sleeve 22 under ring are arranged with the test end of the inner ring armature spindle 20, the test bearing 9 is set under ring
On lubricating sleeve 22, the inner ring of test bearing 9 covers 21 axial limitings by being set in the 3rd ladder changed on lubricating sleeve 22；It is described
Under ring, the inwall of lubricating sleeve 22 is ladder nested structure, offers the hydraulic pressure oilhole connected with ladder nested structure, pass through on end wall
The mode of hydraulic pressure installs or removes.Hydraulic pressure oilhole has one, in order to ensure the dynamic balance accuracy of lubricating sleeve 22 under ring, it is to avoid
Because distribution of weight imbalance causes larger vibration in high-speed rotation, therefore it is further opened with a balance pipe, its size
It is identical with hydraulic pressure oilhole but do not connect with ladder nested structure, and the axisymmetrical with hydraulic pressure oilhole with regard to lubricating sleeve under ring 22 sets
Put.By the way of test bearing 9 is lubricated under ring, with oil mass than oil jet lubrication mode much less commonly used in the prior art, by
Caused by the power stirring institute of oil, power loss is also less, and the heat condition of bearing is also greatly improved, or even inner ring temperature
Degree is likely lower than outer ring and reduces bearing fault rate.Ladder nested structure is set on 22 inwall of lubricating sleeve under ring, by hydraulic oil
Hole can be dismounted to oiling in ladder nested structure using the mode of hydraulic pressure.Specifically process is：When installing,
Lubricating sleeve 22 under ring is heated first, after being enclosed within inner ring armature spindle 20, notes installation oil, while in outside into hydraulic pressure oilhole
Lubricating sleeve under ring is pressurizeed, stops oiling after lubricating sleeve under ring 22 is cooled down, then lubricating sleeve 22 is pressed on inner ring armature spindle under ring
On 20, complete to install；When dismounting, dismounting oil is noted into hydraulic pressure oilhole, lubricating sleeve 22 is swollen under ring in the presence of oil
It is swollen, i.e., skid off automatically.Relative to the method for traditional dependence principle of expanding with heat and contracting with cold mounting sleeve, part can be eliminated and shunk
The impact that the stress concentration countershaft produced in journey is produced, it is to avoid it is impaired that scuffing etc. occurs in rotating shaft.For the bearing of different model,
Lubricating sleeve under the ring of different-thickness can be made, so only needs lubricating sleeve under more ring change be adapted to different tested bearings, no
Rotating shaft will be changed with tested bearing is changed every time, experimentation cost can be substantially reduced, it is also possible to shorten the test period.
The inner ring armature spindle 20 is quill shaft, and has multi-shoulder structure, the axial loading device 2 and radial loaded
Bearing 10 is separately positioned at two shaft shoulders, and radial loaded bearing 10 is arranged near test bearing 9；The outer ring armature spindle 4
For quill shaft, its test end is cylindrical and internal diameter is more than the internal diameter of axle body, tests the tapered tubular of changeover portion at end and axle body,
The intersection for accompanying examination cylinder roller bearing 8 to be arranged on changeover portion and axle body.In order to be reclaimed from test bearing 9 in time
The lubricating oil for sputtering, in outer ring, the test of armature spindle 4 end insertion is provided with some back oil roads, the direction of back oil road and changeover portion
Outside wall parallel, the lubricating oil sputtered from test bearing 9 after trickling down on the changeover portion of outer ring rotating shaft 4, centrifugation
Thrown away by back oil road in the presence of power, lubricating oil can be avoided to reclaim the resistance for causing in time and increased, turned into outer ring
Sub- axle 4 or 20 quill shaft of inner ring armature spindle is intracardiac the problems such as affect shafting, moreover it is possible to accelerate lubrication oil recovery, reduce high gentle
Heat time heating time of the lubricating oil to workpiece.
The radial loaded bearing 10 is cylinder roller bearing, and outer ring is fixedly connected with radial loaded bearing block 17, inner ring
19 axial limitings are covered by the second ladder, is additionally provided with the end of radial loaded bearing 10 and is fixed with radial loaded bearing block 17
It is connected to radial loaded bearing 10 provide the radial loaded bearing oil-air lubrication oil distribution casing 18 of lubricating oil.Radial loaded bearing
Oil-air lubrication oil distribution casing 18 offers four fuel feed holes away from one end of test bearing 9, and each fuel feed hole connects one along radius
Direction is arranged on the oil duct inside radial loaded bearing oil-air lubrication oil distribution casing 18, each oil duct one nozzle of correspondence, nozzle court
To the outer ring raceway of radial loaded bearing 10.Radial loaded bearing 10 carries out axially position using ladder set, with threaded lock
Tight nut is compared, and can guarantee that higher dynamic balance accuracy.
The radial loading device 11 includes cylinder bracket 1101, and cylinder bracket 1101 is in inverted " v " shape, the bottom of two side arms
End is fixedly connected with support 1 respectively, and the junction of two side arms is provided with radial loaded oil cylinder 1105, radial loaded oil cylinder 1105
The lower end of Cylinder Plunger 1104 is fixedly connected with sensor installing plate 1103, and the bottom of sensor installing plate 1103 is fixedly installed
Load sensor 1102, the radial loaded oil cylinder 1105 drive Cylinder Plunger 1104, drive load sensor 1102 by radially
Load is applied on radial loaded bearing block 17.One has been dug also on the side wall of radial loaded bearing oil-air lubrication oil distribution casing 18
Individual cushion pad mounting groove, is also equipped with one on radial loaded bearing block 17 and is attached thereto logical mounting groove, pacifies in cushion pad
Cushion pad is provided with tankage, radial load is applied on cushion pad, plays the wear-resisting effect of damping, while being prevented from radially
Load bearings 10 and radial loaded bearing block 17 produce larger axial dipole field.
Described to accompany examination cylinder roller bearing 8 to be cylinder roller bearing, outer ring connects with 14 fixation of examination cylinder roller bearing seat is accompanied
Connect, inner ring covers 12 axial limitings by the first ladder；Examination cylinder rolling is accompanied accompanying to be additionally provided with the upside of examination cylinder roller bearing seat 14
Sub- bearing block gland 15, accompanies examination cylinder roller bearing seat gland 15 to be fixedly connected with support 1；Accompanying examination cylinder roller bearing seat pressure
The two ends of lid 15 are each provided with a pressure ring 36, and pressure ring 36 tries cylinder roller bearing seat gland 15 and the fixed company of support 1 with accompanying
Connect and will accompany 14 axial limiting of examination cylinder roller bearing seat；Examination cylinder is provided with and is accompanied the end of examination cylinder roller bearing 8 is accompanied
Roller Shaft bearing 14 be fixedly connected for accompany examination cylinder roller bearing 8 provide lubrication oil gas accompany examination cylinder roller bearing oil gas
Lubrication oil distribution casing 13.Examination cylinder roller bearing 8 is accompanied to adopt spacer shell with 1 device of support（And accompany examination cylinder roller bearing seat 14）Even
Connect, when needing change to accompany the model of examination cylinder roller bearing 8 according to test, it is only necessary to change spacer shell frock.Accompany examination cylinder rolling
Sub- bearing 8 adopts oil-air lubrication, improves and accompanies the lubricant effect of examination cylinder roller bearing 8, reduces and accompany examination cylinder roller bearing 8
Frictional heating, effectively increase the revolution at a high speed kinematic accuracy of shafting, extend testing machine service life.With radial loaded axle
Holding 10 equally carries out axially position using ladder set, and effect is identical.The dismounting mode of described each ladder set with change profit
Sliding sleeve 22 is identical, and the set-up mode of oil filler point can also be identical, or oil filler point is disposed radially.
Test bearing hatchcover 16 is provided with the outside of the test bearing 9, experimental cabin is surrounded and test bearing 9 is placed in into test
In cabin；Described accompanying be provided with sensor installation seat 23 on examination cylinder roller bearing seat gland 15, connects on sensor installation seat 23
There is mounting bracket, mounting bracket is goed deep in test bearing hatchcover 16；The monitoring device is by being arranged on test bearing hatchcover 16
Infrared temperature sensor, the contactless vibrating sensor being arranged in mounting bracket and noise transducer composition.Test end
Rotatable parts adopt non-contact temperature, vibration, sensor noise, and collection signal is promptly and accurately reliable；Each non-contact sensor
Device is not only installed, convenient disassembly, through test, it may also be ensured that the normal work in the environment of 260 DEG C.
The axial loading device 2 applies to carry to inner ring armature spindle 20 and outer ring armature spindle 4 by accompanying examination angular contact bearing 5
Lotus, accompanies the lubricating system of examination angular contact bearing 5 to be preferably oil-air lubrication.Angle is tried with accompanying in the outer ring for accompanying examination angular contact bearing 5
Engagement shaft bearing 6 is connected, and accompanies examination angular contact bearing seat 6 to include floating bearing bracket 25 and the oil distribution casing fixed seat being set up in parallel
27, the outer ring for accompanying examination angular contact bearing 5 is fixedly connected with floating bearing bracket 25, is fixed in floating bearing bracket 25 and oil distribution casing
It is provided with cavity between seat 27 and accompanies examination angular contact bearing oil distribution casing 31, the insertion in oil distribution casing fixed seat 27 is provided with oil-feed
Road 34, lubrication oil gas Jing oil-feeds air flue 34 are sent into accompany examination angular contact bearing oil distribution casing 31 and sequentially pass through accompanying for internal setting and try angle
Contact bearing oil distribution casing oil gas road 30 and spray after accompanying examination angular contact bearing oil distribution casing nozzle 29, lubricating oil gas blowout is to accompanying examination corner connection
Contact bearing 5 is lubricated；The axial loading device 2 includes 301 He of axially loaded outer end cap for being set up in parallel and being fixedly connected
Axially loaded internal gland 203, has along the circumferential direction uniformly been arranged alternately several on 203 same pitch circle of axially loaded internal gland
Hydraulic plunger 202 and several preloading springs 204, hydraulic plunger 202 and preloading spring 204 are to 25 imposed load of floating bearing bracket
And be transferred to accompany examination angular contact bearing 5, axle is applied to test bearing 9 by inner ring armature spindle 20 and outer ring armature spindle 4 further
To load.
When implementing, examination angular contact bearing 5 is accompanied preferably to bear the angular contact bearing of larger axial load.Described
Hydraulic plunger 202 is arranged in hydraulic plunger installing hole, two ends of the axially loaded internal gland of hydraulic plunger installing hole insertion 203
Wall, on axially loaded outer press cover, also insertion is internally provided with several hydraulic pressure oil ducts, and hydraulic pressure oil duct is communicated with outside fuel feed pump
Road.The preloading spring 204 is arranged in preloading spring installing hole, preloading spring installing hole only with axially loaded internal gland 203
Near the side insertion for accompanying examination angular contact bearing seat 6.At the trial, preloading spring 204 pairs accompanies examination angular contact bearing 5 to provide pre-
Tightly, there is provided initial pretightning force, hydraulic plunger 202 is for providing axial load in process of the test.It is close in floating bearing bracket 25
The side of axial loading device 2 has dug an annular recess, and a bearing ring, 203 He of hydraulic plunger are provided with groove
The axial load of the output of preloading spring 204 is acted on bearing ring, and the non-stress end of bearing ring is provided with several pressure
Sensor（It is arranged on the inside of floating bearing bracket 25）, pressure transducer collection axial load data and by circuit with test
The supervising devices such as the computer outside machine are connected, and can detect axial load amount at any time and be controlled.
The sidepiece of the support 1 also offers line inlet 101, oil drain out 102 and Oil-gas Separation outlet 103 respectively；Institute
State, some warp-wise reinforcements and broadwise reinforcement are uniformly arranged on the inner surface in cover 7,
Radial loaded mechanism via 701 is further opened with the top of cover 7；The two ends of the testing machine are also each provided with an end cap
35, shaft end is provided between end cap 35 and armature spindle and is sealed closing disk 3.The radial loaded oil cylinder 1105 is from cover via 701
Stretch out, such cover 7 just will not be subject to radial loaded power, it is to avoid because cover vibrates the impact to radial loaded, and tear open
Unload, install, debugging convenient, under conditions of slow-speed test, can not fitting machine lid 7 carry out test adjustment, to reduce examination
Step is tested, work efficiency is improved.Testing machine is set to sealing structure, can both keep experimental enviroment not by external interference, improve
Experimental accuracy, it is also possible to prevent from testing the waste loss everywhere such as the oil gas of generation, cause environmental pollution, which can first be carried out
Collection is discharged after processing again.
In terms of driving means, the floating end of the inner ring armature spindle 20 and outer ring armature spindle 4 respectively by shaft coupling with
Frequency conversion motor is connected, and according to specific test demand, can carry out synchronized, in the same direction friction speed, incorgruous synchronized, incorgruous friction speed in the same direction
Test.For short form test set-up procedure, the direction of rotation of inner ring armature spindle 20 or outer ring armature spindle 4 can be fixed,
Another armature spindle need to be adjusted only.
Claims (9)
1. a kind of angular contact bearing birotor testing machine, including support（1）, in support（1）On be separately provided for installing examination
Test bearing（9）Armature spindle, to test bearing（9）Apply the radial loading device of radial load（11）, to test bearing（9）Apply
Plus the axial loading device of axial load（2）, monitoring device and lubricating system, the armature spindle is by inner ring armature spindle（20）With it is outer
Circle armature spindle（4）Composition, test bearing（9）It is set in inner ring armature spindle（20）Test end, its outer ring and outer ring armature spindle（4）
Test end be fixedly connected, it is characterised in that：
The inner ring armature spindle（20）Floating end and outer ring armature spindle（4）Floating end on be each provided with an axially loaded dress
Put（2）, respectively by inner ring armature spindle（20）With outer ring armature spindle（4）To test bearing（9）Apply axial direction load in opposite direction
Lotus；
The inner ring armature spindle（20）On be additionally provided with radial loaded bearing（10）, the radial loading device（11）It is arranged on footpath
To load bearings（10）Top and to radial loaded bearing（10）Imposed load, further by inner ring armature spindle（20）To test
Bearing（9）Transmission radial load；
The outer ring armature spindle（4）On be additionally provided with and accompany examination cylinder roller bearing（8）, the monitoring device is arranged on accompanies examination cylinder
Roller bearing（8）Top.
2. a kind of angular contact bearing birotor testing machine as claimed in claim 1, it is characterised in that：The inner ring armature spindle
（20）Test end on be arranged with lubricating sleeve under ring（22）, the test bearing（9）It is set in lubricating sleeve under ring（22）On, test
Bearing（9）Inner ring change lubricating sleeve by being set in（22）On the 3rd ladder set（21）Axial limiting；
Lubricating sleeve under the ring（22）Inwall be ladder nested structure, the hydraulic pressure connected with ladder nested structure is offered on end wall
Oilhole.
3. a kind of angular contact bearing birotor testing machine as claimed in claim 1, it is characterised in that：The inner ring armature spindle
（20）For quill shaft, and there is multi-shoulder structure, the axial loading device（2）With radial loaded bearing（10）It is separately positioned on
At two shaft shoulders, and radial loaded bearing（10）Near test bearing（9）Arrange；The outer ring armature spindle（4）For quill shaft, its
Test end is cylindrical and internal diameter is more than the internal diameter of axle body, tests the tapered tubular of changeover portion at end and axle body, described to accompany examination circle
Post roller bearing（8）It is arranged on the intersection of changeover portion and axle body.
4. a kind of angular contact bearing birotor testing machine as claimed in claim 1, it is characterised in that：The radial loaded bearing
（10）For cylinder roller bearing, outer ring and radial loaded bearing block（17）It is fixedly connected, inner ring passes through the second ladder set（19）Axle
To spacing, in radial loaded bearing（10）End be additionally provided with and radial loaded bearing block（17）It is fixedly connected for radially
Load bearings（10）The radial loaded bearing oil-air lubrication oil distribution casing of lubricating oil is provided（18）.
5. a kind of angular contact bearing birotor testing machine as claimed in claim 4, it is characterised in that：The radial loading device
（11）Including cylinder bracket（1101）, cylinder bracket（1101）In inverted " v " shape, the bottom of two side arms respectively with support（1）Gu
Fixed to connect, the junction of two side arms is provided with radial loaded oil cylinder（1105）, radial loaded oil cylinder（1105）Cylinder Plunger
（1104）Lower end be fixedly connected with sensor installing plate（1103）, sensor installing plate（1103）Bottom be fixedly installed lotus
Retransmit sensor（1102）, the radial loaded oil cylinder（1105）Drive Cylinder Plunger（1104）, drive load sensor（1102）
Radial load is applied to into radial loaded bearing block（17）On.
6. a kind of angular contact bearing birotor testing machine as claimed in claim 1, it is characterised in that：It is described to accompany examination cylindrical roller
Bearing（8）For cylinder roller bearing, cylinder roller bearing seat is tried with accompanying in outer ring（14）It is fixedly connected, inner ring passes through the first ladder set
（12）Axial limiting；Accompanying examination cylinder roller bearing seat（14）Upside is additionally provided with accompanies examination cylinder roller bearing seat gland（15）,
Accompany examination cylinder roller bearing seat gland（15）With support（1）It is fixedly connected；Accompanying examination cylinder roller bearing seat gland（15）Two
End is each provided with a pressure ring（36）, pressure ring（36）Cylinder roller bearing seat gland is tried with accompanying（15）And support（1）It is fixed to connect
Connect and will accompany examination cylinder roller bearing seat（14）Axial limiting；Accompanying examination cylinder roller bearing（8）End be provided with and accompany examination
Cylinder roller bearing seat（14）It is fixedly connected for accompanying examination cylinder roller bearing（8）There is provided lubricating oil accompanies examination cylindrical roller axle
Hold oil-air lubrication oil distribution casing（13）.
7. a kind of angular contact bearing birotor testing machine as claimed in claim 6, it is characterised in that：The test bearing（9）
Outside is provided with test bearing hatchcover（16）, in surrounding experimental cabin and by test bearing（9）It is placed in experimental cabin；It is described to accompany examination circle
Post Roller Shaft bearing gland（15）On be provided with sensor installation seat（23）, sensor installation seat（23）On be connected with installation
Frame, mounting bracket go deep into test bearing hatchcover（16）In；The monitoring device is by being arranged on test bearing hatchcover（16）On it is red
Outer temperature sensor, the contactless vibrating sensor being arranged in mounting bracket and noise transducer composition.
8. a kind of angular contact bearing birotor testing machine as claimed in claim 1, it is characterised in that：The axial loading device
（2）By accompanying examination angular contact bearing（5）To inner ring armature spindle（20）With outer ring armature spindle（4）Imposed load；
It is described to accompany examination angular contact bearing（5）Outer ring with accompany examination angular contact bearing seat（6）It is connected, accompanies examination angular contact bearing seat
（6）Including the floating bearing bracket being set up in parallel（25）With oil distribution casing fixed seat（27）, it is described to accompany examination angular contact bearing（5）Outer ring
With floating bearing bracket（25）It is fixedly connected, in floating bearing bracket（25）With oil distribution casing fixed seat（27）Between cavity in be provided with
Accompany examination angular contact bearing oil distribution casing（31）, in oil distribution casing fixed seat（27）Upper insertion is provided with oil input channel（34）, lubricate oil gas Jing
Oil input channel（34）Feeding accompanies examination angular contact bearing oil distribution casing（31）And sequentially pass through the oil of internal setting and accompany examination angular contact bearing to match somebody with somebody
Food tray oil duct（30）Angular contact bearing oil distribution casing nozzle is tried with accompanying（29）After spray, to accompanying examination angular contact bearing（5）Carry out oil gas
Lubrication；
The axial loading device（2）Including the axially loaded outer press cover being set up in parallel and be fixedly connected（301）With it is axially loaded
Internal gland（203）, in axially loaded internal gland（203）On be along the circumferential direction evenly arranged with several hydraulic plungers（202）With
Several preloading springs（204）, hydraulic plunger（202）And preloading spring（204）To floating bearing bracket（25）Imposed load is simultaneously passed
It is handed to and accompanies examination angular contact bearing（5）, and then pass through inner ring armature spindle（20）With outer ring armature spindle（4）To test bearing（9）Apply
Axial load.
9. a kind of angular contact bearing birotor testing machine as claimed in claim 1, it is characterised in that：The support（1）Side
Portion also offers line inlet respectively（101）, oil drain out（102）Export with Oil-gas Separation（103）；The support（1）On also cover
There is cover（7）, in cover（7）Inner surface on be uniformly arranged some warp-wise reinforcements and broadwise reinforcement, in cover（7）
Top be further opened with radial loaded mechanism via（701）；The two ends of the testing machine are also each provided with an end cap（33）, end
Lid（33）Shaft end is provided between armature spindle and is sealed closing disk（3）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611217763.7A CN106525429B (en) | 2016-12-26 | 2016-12-26 | A kind of angular contact bearing birotor testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611217763.7A CN106525429B (en) | 2016-12-26 | 2016-12-26 | A kind of angular contact bearing birotor testing machine |
Publications (2)
| Publication Number | Publication Date |
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| CN106525429A true CN106525429A (en) | 2017-03-22 |
| CN106525429B CN106525429B (en) | 2019-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611217763.7A Active CN106525429B (en) | 2016-12-26 | 2016-12-26 | A kind of angular contact bearing birotor testing machine |
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| CN107643172A (en) * | 2017-10-30 | 2018-01-30 | 南京磁谷科技有限公司 | A kind of mounting structure of upper angular contact bearing in overspeed test bench main frame |
| CN108387374A (en) * | 2018-05-03 | 2018-08-10 | 河南科技大学 | A kind of angular contact bearing greasy property testing machine |
| CN108426692A (en) * | 2018-04-27 | 2018-08-21 | 山东科技大学 | Magnetic suspension rotor experimental bench and progress magnetic suspension rotor test analysis method |
| CN108562438A (en) * | 2017-12-28 | 2018-09-21 | 洛阳轴承研究所有限公司 | Pairing bearing frictional torque measuring device and measuring method face-to-face |
| CN110243604A (en) * | 2019-07-17 | 2019-09-17 | 大连工业大学 | A kind of intershaft bearing vibration testing device |
| CN111189636A (en) * | 2020-01-10 | 2020-05-22 | 中国航空综合技术研究所 | Clamp system for life test of joint bearing |
| CN111999063A (en) * | 2020-07-28 | 2020-11-27 | 人本股份有限公司 | Test device for monitoring inner ring temperature |
| CN112362347A (en) * | 2020-12-08 | 2021-02-12 | 哈尔滨轴承集团公司 | Service life testing machine for cylindrical roller bearing without inner ring |
| CN113765301A (en) * | 2021-09-09 | 2021-12-07 | 鑫磊压缩机股份有限公司 | Magnetic suspension motor and method for improving dynamic balance debugging accuracy |
| CN114608823A (en) * | 2022-02-23 | 2022-06-10 | 中国航发四川燃气涡轮研究院 | Roller bearing test device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107643172A (en) * | 2017-10-30 | 2018-01-30 | 南京磁谷科技有限公司 | A kind of mounting structure of upper angular contact bearing in overspeed test bench main frame |
| CN107643172B (en) * | 2017-10-30 | 2023-11-24 | 南京磁谷科技有限公司 | Mounting structure of upper angular contact bearing in overspeed test stand host |
| CN108562438A (en) * | 2017-12-28 | 2018-09-21 | 洛阳轴承研究所有限公司 | Pairing bearing frictional torque measuring device and measuring method face-to-face |
| CN108426692A (en) * | 2018-04-27 | 2018-08-21 | 山东科技大学 | Magnetic suspension rotor experimental bench and progress magnetic suspension rotor test analysis method |
| CN108426692B (en) * | 2018-04-27 | 2023-12-08 | 唐山森普矿山装备有限公司 | Magnetic suspension rotor experiment table and magnetic suspension rotor test analysis method |
| CN108387374A (en) * | 2018-05-03 | 2018-08-10 | 河南科技大学 | A kind of angular contact bearing greasy property testing machine |
| CN108387374B (en) * | 2018-05-03 | 2024-04-09 | 河南科技大学 | Angular contact bearing lubricating property testing machine |
| CN110243604A (en) * | 2019-07-17 | 2019-09-17 | 大连工业大学 | A kind of intershaft bearing vibration testing device |
| CN111189636B (en) * | 2020-01-10 | 2022-02-11 | 中国航空综合技术研究所 | Clamp system for life test of joint bearing |
| CN111189636A (en) * | 2020-01-10 | 2020-05-22 | 中国航空综合技术研究所 | Clamp system for life test of joint bearing |
| CN111999063A (en) * | 2020-07-28 | 2020-11-27 | 人本股份有限公司 | Test device for monitoring inner ring temperature |
| CN112362347A (en) * | 2020-12-08 | 2021-02-12 | 哈尔滨轴承集团公司 | Service life testing machine for cylindrical roller bearing without inner ring |
| CN113765301A (en) * | 2021-09-09 | 2021-12-07 | 鑫磊压缩机股份有限公司 | Magnetic suspension motor and method for improving dynamic balance debugging accuracy |
| CN114608823A (en) * | 2022-02-23 | 2022-06-10 | 中国航发四川燃气涡轮研究院 | Roller bearing test device |
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