CN206362559U - A kind of angular contact bearing birotor testing machine - Google Patents
A kind of angular contact bearing birotor testing machine Download PDFInfo
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- CN206362559U CN206362559U CN201621436712.9U CN201621436712U CN206362559U CN 206362559 U CN206362559 U CN 206362559U CN 201621436712 U CN201621436712 U CN 201621436712U CN 206362559 U CN206362559 U CN 206362559U
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Abstract
A kind of angular contact bearing birotor testing machine, including support, axial loading device, monitoring device and the lubricating system for installing the armature spindle of test bearing, applying the radial loading device of radial load to test bearing, applying axial load to test bearing are separately provided on support, armature spindle is made up of inner ring armature spindle and outer ring armature spindle, test bearing is set in the experiment end of inner ring armature spindle, its outer ring is fixedly connected with the experiment end of outer ring armature spindle, and an axial loading device is each provided with the floating end of inner ring armature spindle and the floating end of outer ring armature spindle；Radial loaded bearing is additionally provided with inner ring armature spindle；It is additionally provided with the armature spindle of outer ring and accompanies examination cylinder roller bearing, monitoring device is arranged on the top for accompanying examination cylinder roller bearing.The utility model provides a kind of angular contact bearing birotor testing machine, it is adaptable to high temperature, the experiment of the large-scale bearing run at high speed.
Description
Technical field
The utility model is related to bearing tester technical field, specifically a kind of angular contact bearing birotor experiment
Machine.
Background technology
Bearing is important, key foundation parts in equipment manufacturing, directly decides the performance, reliability and longevity of equipment
Life；Exempt from because the working environment of bearing is severe, bear load working condition is complicated, to have long enough even to equip life cycle management
Safeguard etc., the checking of corresponding simulation operating mode must be done to bearing on testing machine during designing and developing and manufacturing,
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, by 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 meets present internal diameter and is more than 140mm more than 110mm, external diameter, high temperature,
The test requirements document of high rotating speed bearing.
The angular contact bearing rotated simultaneously especially for Internal and external cycle in work, because it will operationally bear radially simultaneously
Load and axial load, therefore the testing standard of angular contact bearings is more strict, there is no can complete big chi in the prior art
Very little, high rotating speed, the birotor testing machine of top load angular contact bearing experiment.
Utility model content
In order to solve deficiency of the prior art, the utility model provides a kind of angular contact bearing birotor testing machine, fits
For the experiment of high temperature, the large-scale bearing run at high speed, birotor can respectively reach in the same direction or incorgruous driving
30000rpm, test bearing internal diameter be more than or equal to 140mm, interior ring under oil temperature supplying reach 150 DEG C, operating temperature reach 260
DEG C, radial loaded 60KN.
To achieve these goals, the concrete scheme that the utility model is used for：
A kind of angular contact bearing birotor testing machine, including support, are separately provided for installing experiment axle on support
The armature spindle that holds, the radial loading device for applying to test bearing radial load, the axial direction for applying to test bearing axial load
Loading device, monitoring device and lubricating system, the armature spindle are made up of inner ring armature spindle and outer ring armature spindle, test bearing set
Be located at the experiment end of inner ring armature spindle, its outer ring is fixedly connected with the experiment end of outer ring armature spindle, the inner ring armature spindle it is floating
An axial loading device is each provided with the floating end of moved end and outer ring armature spindle, is turned respectively by inner ring armature spindle and outer ring
Sub- axial test bearing applies axial load in opposite direction；Radial loaded bearing, institute are additionally provided with the inner ring armature spindle
Radial loading device is stated to be arranged on above radial loaded bearing and to radial loaded bearing imposed load, further by inner ring turn
Sub- axial test bearing transmits radial load；It is additionally provided with the outer ring armature spindle and accompanies examination cylinder roller bearing, the monitoring
Device is arranged on the top for accompanying examination cylinder roller bearing.
Lubricating sleeve under ring is arranged with the experiment 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 with 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 set close to test bearing；The outer ring armature spindle is quill shaft,
Its experiment end is cylindrical and internal diameter is more than the internal diameter of axle body, tests the tapered tubular of changeover portion of 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, be additionally provided with the end of radial loaded bearing 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 bottoms 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 that to accompany examination cylinder roller bearing be cylinder roller bearing, outer ring and accompany examination cylinder roller bearing to 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 accompanying the two ends of examination cylinder roller bearing seat gland
A pressure ring is equipped with, pressure ring is with accompanying examination cylinder roller bearing seat gland and support to be fixedly connected with and will accompany examination cylinder roller bearing
Seat axial limiting；It is provided with accompanying the end of examination cylinder roller bearing with accompanying examination cylinder roller bearing seat to be fixedly connected for accompanying
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 experimental cabin
In；Described accompany tries to be provided with sensor installation seat, sensor installation seat to be connected with cylinder roller bearing seat gland to install branch
Frame, mounting bracket is goed deep into 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 and accompany examination angular contact bearing seat to be connected, 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, is passed through in oil distribution casing fixed seat
Logical to be provided with oil input channel, lubrication oil gas accompanies examination angular contact bearing oil distribution casing through oil input channel feeding and sequentially passes through accompanying for internal setting
Try angular contact bearing oil distribution casing oil duct and sprayed after accompanying examination angular contact bearing oil distribution casing nozzle, to accompanying examination angular contact bearing progress 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 internal 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 be transferred to and 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 line inlet, oil discharge outlet and Oil-gas Separation outlet respectively；On the support also
Cover is stamped, some warp-wise reinforcements and broadwise reinforcement are uniformly arranged on the inner surface in 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 lubricating angular contact bearing simulation actual condition experiment under major diameter, high temperature, high speed, ring, and use
Dual-rotor structure, it is possible to achieve carry out friction speed synchronized, in the same direction, reverse synchronized or reverse friction speed in the same direction simultaneously to bearing internal external circle
The experiment of rotation；
2nd, using bilateral axial loading device, the angular contact bearing inner ring in rotation and outer ring can be applied axially simultaneously
Load, can also select unidirectional loading, adapt to different tests demand；
3rd, axial loading device is preloaded using multiple preloading springs, and loading force is uniform, can flexibly change with suitable
Answer difference accompany examination angular contact bearing the need for；
4th, with the raising of rotating shaft rotating speed, axially loaded use multi-plunger hydraulic cylinder progress following loading, loading accuracy height,
Loading ride comfort is good, corresponding speed is fast, adapts to Multiple Type bearing designation test requirements document；
5th, by accompanying examination angular contact bearing and armature spindle to be loaded, it is to avoid use loading sleeve, it not only simplify experiment dress
Put, and loading force is more balanced, improves loading effect；
4th, the inwall of lubricating sleeve uses stepped construction under the ring of test bearing, by stepped construction internal hydraulic pressure
The mode of oiling completes dismounting, the mode dismounted compared to traditional utilization principle of expanding with heat and contracting with cold, when changing test bearing model, only
It need to change and lubricate fixed cover under hydraulic pressure detachable ring；Not only dismounting, easy for installation, and positioning precision is high, it is to avoid install
Stress concentration is produced during test bearing, while it also avoid scuffing of axle etc. being destroyed during test bearing dismounting；
5th, by setting test bearing hatchcover, being effectively isolated for test bearing lubricating oil and experimental enviroment is realized, it is to avoid
Extraneous lubricating oil lubricates test bearing the influence of detection；
6th, axially loaded floating unit has installed linear bearing additional, improves positioning precision, radial rigidity, effectively reduces and rub
Wipe resistance；
7th, axial loading device is additionally provided with force snesor, can be to the real-time monitoring of loading force, it is ensured that testing machine it is reliable
Load operating；
8th, testing machine uses sealing structure, can not only improve the overall stability of testing machine, reduce external environmental interference,
And process of the test all waste gases, the oil smoke etc. that produce can accomplish it is effective collect and handle, reduce the pollution to environment；
9th, radial loaded mechanism is arranged on the pedestal of body seat bottom, and is provided with radial loaded bearing buffering
Pad, makes loading link add the wear-resisting link of damping, can prevent from producing shadow to the collection, the measurement that load force signal because vibrating
Ring, while also effectively prevent the influence that shaft is vibrated beyond shafting；
10th, radial loaded mechanism passes through cover, makes cover not by radial loaded power, relatively low in test speed, temperature
In the case of, test adjustment can be carried out not fitting machine lid, experiment process is simplified, improves test efficiency；
11st, experiment end rotatable parts use non-contact temperature, vibration, sensor noise, and collection signal promptly and accurately may be used
Lean on, and each noncontacting proximity sensor, not only install, convenient disassembly, the special air flue also set up can effectively prevent each sensor
Pollution, it is ensured that can normal work under 260 DEG C of working environments；
12nd, fuel feeding oil spout oil duct and the setting of test bearing chamber lower cover are integrated under test bearing ring, inside set 4 tunnel oil-feeds
Road and 9 road nozzle bores, not only make structure compacter, easy disassembly and debugging, and can be according to test bearing to moistening under ring
The difference of sliding fuel feeding requires that flexible modulation is converted；
13rd, optimization shafting in each bearing Support Position, ensure test bearing effectively load while, improve
Accompany examination cylinder roller bearing, the stress of radial loaded bearing；
14th, each bearing carries out axial limiting using ladder set, and ladder set is arranged at bearing not by axial load
Side, be further opened with pouring orifice on ladder set, it is possible to use the mode of hydraulic pressure is dismounted to ladder set, it is to avoid stress
Concentrate, and main shaft can be protected injury-free；
15th, lubricating sleeve, ladder put the two ends that the pouring orifice opened up is arranged on a diameter under ring, can either ensure ladder
Structure when rotated and stability under loading are covered, 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 according to experiment
During model, it is only necessary to change transition tool, experimentation cost is not only significantly reduced, and it is a variety of in certain diameter scope endoadaptation
The need for model bearing test.
Brief 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 sensor, 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, examination cylinder roller bearing seat gland is accompanied, 16, test bearing hatchcover, 17, radial loaded bearing block, 18, radial loaded bearing oil
Gas lubricates oil distribution casing, the 19, second ladder set, 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 snesor, 33, bearing ring, 34, oil input channel, 35, end cap, 36, pressure ring.
Embodiment
Embodiment of the present utility model is 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 arranged with use on support 1
Armature spindle in installing test bearing 9, to test bearing 9 apply the radial loading device 11 of radial load, apply to test bearing 9
Plus axial loading device 2, monitoring device and the 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 experiment end of inner ring armature spindle 20, and its outer ring and the experiment end of outer ring armature spindle 4 are fixed
Connection.
As shown in Figures 2 to 6, respectively set on the floating end of the inner ring armature spindle 20 and the floating end of outer ring armature spindle 4
There is an axial loading device 2, applied in the opposite direction to test bearing 9 by inner ring armature spindle 20 and outer ring armature spindle 4 respectively
Axial load.By the way of bi-directional axial is loaded, axially loaded side can be converted according to the need for different tests bearing 9
Formula, can select the mode of unidirectional loading or biaxial loadings, and the experiment loading for adapting to a variety of test bearings 9 is required.By turning
The sub- imposed load of axial test bearing 9, the mode phase being loaded directly into traditional use loading sleeve from bearing rotor side
Than, the loading of Internal and external cycle rolling bearing simultaneously is not only realized, while avoid the influence that loading sleeve rotates to test bearing 9,
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 the imposed load of radial loaded bearing 10, further passed by inner ring armature spindle 20 to test bearing 9
Pass radial load；It is additionally provided with the outer ring armature spindle 4 and accompanies examination cylinder roller bearing 8, the monitoring device, which is arranged on, accompanies examination
The top of cylinder roller bearing 8.
Lubricating sleeve 22 under ring are arranged with the experiment 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
The inwall of lubricating sleeve 22 is ladder nested structure under ring, and the hydraulic pressure oilhole connected with ladder nested structure is offered on end wall, is passed through
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 connected with ladder nested structure, and the axisymmetrical with hydraulic pressure oilhole on lubricating sleeve under ring 22 is set
Put.Test bearing 9 under ring by the way of lubricating, with oil mass than oil jet lubrication mode much less commonly used in the prior art, by
The power loss caused by power stirring in oil 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 under ring on the inwall of lubricating sleeve 22, passes through hydraulic oil
Hole can the oiling into ladder nested structure, dismounted using the mode of hydraulic pressure.Specifically process is：When installing,
Lubricating sleeve 22 under heating ring, after being enclosed on inner ring armature spindle 20, installation oil is noted into hydraulic pressure oilhole, while in outside first
Lubricating sleeve under ring is pressurizeed, after stopping oiling after the cooling of lubricating sleeve under ring 22, 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 influence that the stress concentration countershaft that is produced in journey is produced, it is to avoid rotating shaft occurs scratching etc. impaired.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 to be adapted to different subject bearings, no
Rotating shaft will be changed with each subject bearing of changing, experimentation cost can be substantially reduced, also can shorten the test period.
The inner ring armature spindle 20 is quill shaft, and with 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 set close to test bearing 9；The outer ring armature spindle 4
For quill shaft, it is tested, and end is cylindrical and internal diameter is more than the internal diameter of axle body, tests the tapered tubular of changeover portion of 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 reclaim in time from test bearing 9
The lubricating oil sputtered, in outer ring, the experiment 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 in the presence of power by back oil road, lubricating oil can be avoided to reclaim the resistance caused in time and increase, turn into outer ring
The problems such as sub- axle 4 or the quill shaft of inner ring armature spindle 20 intracardiac influence shafting, moreover it is possible to accelerate the recovery of lubricating oil, reduce high gentle
Heat 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 and is fixed with radial loaded bearing block 17 in the end of radial loaded bearing 10
It is connected to provide the radial loaded bearing oil-air lubrication oil distribution casing 18 of lubricating oil to radial loaded bearing 10.Radial loaded bearing
The one end of oil-air lubrication oil distribution casing 18 away from test bearing 9 offers four fuel feed holes, 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, one nozzle of each oil duct 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 drives Cylinder Plunger 1104, drives load sensor 1102 will radially
Load is applied on radial loaded bearing block 17.One has also been dug on the side wall of radial loaded bearing oil-air lubrication oil distribution casing 18
Individual cushion pad mounting groove, one is also equipped with radial loaded bearing block 17 and is attached thereto logical mounting groove, in cushion pad peace
Cushion pad is provided with tankage, radial load is applied on cushion pad, plays the wear-resisting effect of damping, while can prevent 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 is with accompanying the company of fixation of examination cylinder roller bearing seat 14
Connect, inner ring covers 12 axial limitings by the first ladder；Examination cylinder rolling is accompanied accompanying the upside of examination cylinder roller bearing seat 14 to be additionally provided with
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 is with accompanying examination cylinder roller bearing seat gland 15 and support 1 are fixed to connect
Connect and examination cylinder roller bearing 14 axial limitings of seat will be accompanied；Examination cylinder is provided with and accompanies accompanying the end of examination cylinder roller bearing 8
Roller Shaft bearing 14 be fixedly connected for accompany examination cylinder roller bearing 8 provide lubricate oil gas accompany examination cylinder roller bearing oil gas
Lubricate oil distribution casing 13.Examination cylinder roller bearing 8 is accompanied to use transition sleeve with the device of support 1（And accompany examination cylinder roller bearing seat 14）Even
Connect, when needing to change the model for accompanying examination cylinder roller bearing 8 according to experiment, it is only necessary to change transition sleeve frock.Accompany examination cylinder rolling
Sub- bearing 8 uses 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
Hold 10 and axially position is equally carried out using ladder set, effect is identical.The dismounting mode of described each ladder set is with changing 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.
The outside of test bearing 9 is provided with test bearing hatchcover 16, surrounds experimental cabin and test bearing 9 is placed in into experiment
In cabin；Described accompany is provided with connection on sensor installation seat 23, sensor installation seat 23 on examination cylinder roller bearing seat gland 15
There is mounting bracket, mounting bracket is goed deep into test bearing hatchcover 16；The monitoring device is by being arranged on test bearing hatchcover 16
Infrared temperature sensor, the contactless vibrating sensor that is arranged in mounting bracket and noise transducer composition.Test end
Rotatable parts use 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 overtesting, it may also be ensured that the normal work in the environment of 260 DEG C.
The axial loading device 2 is carried by accompanying examination angular contact bearing 5 to apply to inner ring armature spindle 20 and outer ring armature spindle 4
Lotus, accompanies the lubricating system preferably oil-air lubrication of examination angular contact bearing 5.It is described to accompany the outer ring of examination angular contact bearing 5 and accompany examination angle
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, insertion is provided with oil-feed in oil distribution casing fixed seat 27
Road 34, lubrication oil gas sent into through oil-feed air flue 34 accompany examination angular contact bearing oil distribution casing 31 and sequentially pass through internal setting accompany examination 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 the He of axially loaded outer end cap 301 for being set up in parallel and being fixedly connected
Axially loaded internal gland 203, several have along the circumferential direction uniformly been arranged alternately on the same pitch circle of axially loaded internal gland 203
Hydraulic plunger 202 and several preloading springs 204, hydraulic plunger 202 and preloading spring 204 are to the imposed load of floating bearing bracket 25
And be transferred to and accompany examination angular contact bearing 5, axle is further applied to test bearing 9 by inner ring armature spindle 20 and outer ring armature spindle 4
To load.
When implementing, it is preferably that can bear the angular contact bearing of larger axial load to accompany examination angular contact bearing 5.Described
Hydraulic plunger 202 is arranged in hydraulic plunger mounting hole, two ends of the axially loaded internal gland 203 of hydraulic plunger mounting hole insertion
Wall, also insertion is internally provided with several hydraulic pressure oil ducts on axially loaded outer press cover, and hydraulic pressure oil duct is communicated with outside fuel feed pump
Road.The preloading spring 204 is arranged in preloading spring mounting hole, preloading spring mounting hole only with axially loaded internal gland 203
Close to the side insertion for accompanying examination angular contact bearing seat 6.At the trial, 204 pairs of preloading spring accompanies examination angular contact bearing 5 to provide pre-
Tightly there is provided initial pretightning force, hydraulic plunger 202 is used to provide 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, the He of hydraulic plunger 203 are provided with groove
The axial load that preloading spring 204 is exported 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 sensor collection axial load data simultaneously pass through circuit with experiment
The supervising devices such as the computer outside machine are connected, and axial load amount can be detected at any time and is controlled.
The sidepiece of the support 1 also offers line inlet 101, oil discharge outlet 102 and Oil-gas Separation outlet 103 respectively；Institute
State and cover 7 be also stamped on support 1, 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 by radial loaded power, it is to avoid because cover vibrates the influence to radial loaded, and tear open
Unload, install, debug more facilitate, under conditions of slow-speed test, can not fitting machine lid 7 carry out test adjustment, to reduce examination
Step is tested, operating efficiency is improved.Testing machine is set to sealing structure, can both keep experimental enviroment not by external interference, improve
Experimental accuracy, can also prevent the waste loss everywhere such as the oil gas of experiment generation, cause environmental pollution, can first carry out it
Discharged again after collection processing.
In terms of drive device, the floating end of the inner ring armature spindle 20 and outer ring armature spindle 4 respectively by shaft coupling with
Variable-frequency motor is connected, and according to specific experiment demand, can carry out friction speed synchronized, in the same direction, incorgruous synchronized, incorgruous friction speed in the same direction
Experiment.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 only need to be adjusted.
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
Enclose armature spindle（4）Composition, test bearing（9）It is set in inner ring armature spindle（20）Experiment end, its outer ring and outer ring armature spindle（4）
Experiment 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）, pass through inner ring armature spindle respectively（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 passes through inner ring armature spindle（20）To experiment
Bearing（9）Transmit radial load；
The outer ring armature spindle（4）On be additionally provided with and accompany examination cylinder roller bearing（8）, the monitoring device, which 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）Experiment end on be arranged with lubricating sleeve under ring（22）, the test bearing（9）It is set in lubricating sleeve under ring（22）On, experiment
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 with 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）Close to test bearing（9）Set；The outer ring armature spindle（4）For quill shaft, its
Experiment end is cylindrical and internal diameter is more than the internal diameter of axle body, tests the tapered tubular of changeover portion of end and axle body, described to accompany examination to justify
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 bottoms of two side arms respectively with support（1）Gu
Fixed connection, 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 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, outer ring is with accompanying examination cylinder roller bearing seat（14）It is fixedly connected, inner ring passes through the first ladder set
（12）Axial limiting；Accompanying examination cylinder roller bearing seat（14）Upside, which 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）With accompanying examination cylinder roller bearing seat gland（15）And support（1）It is fixed to connect
Connect and examination cylinder roller bearing seat will be accompanied（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）, surround in experimental cabin and by test bearing（9）It is placed in experimental cabin；It is described to accompany examination to justify
Post Roller Shaft bearing gland（15）On be provided with sensor installation seat（23）, sensor installation seat（23）On be connected with installation branch
Frame, mounting bracket gos 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 and 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）, lubrication oil gas warp
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 for being set up in parallel and being 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 discharge outlet（102）With Oil-gas Separation outlet（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）'s
Top is 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 cap
（33）Shaft end is provided between armature spindle and is sealed closing disk（3）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621436712.9U CN206362559U (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 |
|---|---|---|---|
| CN201621436712.9U CN206362559U (en) | 2016-12-26 | 2016-12-26 | A kind of angular contact bearing birotor testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206362559U true CN206362559U (en) | 2017-07-28 |
Family
ID=59375898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621436712.9U Expired - Fee Related CN206362559U (en) | 2016-12-26 | 2016-12-26 | A kind of angular contact bearing birotor testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206362559U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525429A (en) * | 2016-12-26 | 2017-03-22 | 河南科技大学 | Angular contact bearing dual-rotor testing machine |
| CN109060349A (en) * | 2018-07-19 | 2018-12-21 | 洛阳轴承研究所有限公司 | The testing equipment and test method of screw type refrigerating compressor rotor supports bearing |
| CN110243483A (en) * | 2019-06-24 | 2019-09-17 | 中国航发动力股份有限公司 | A kind of hot rotatory test temperature measuring equipment of engine rotor part and temp measuring method |
| CN114061951A (en) * | 2021-11-17 | 2022-02-18 | 中国航发哈尔滨轴承有限公司 | Medium-sized tester loading reversing mechanism |
| CN115628908A (en) * | 2022-12-20 | 2023-01-20 | 哈尔滨船舶锅炉涡轮机研究所(中国船舶集团有限公司第七0三研究所) | Tool for bearing load detection |
-
2016
- 2016-12-26 CN CN201621436712.9U patent/CN206362559U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525429A (en) * | 2016-12-26 | 2017-03-22 | 河南科技大学 | Angular contact bearing dual-rotor testing machine |
| CN106525429B (en) * | 2016-12-26 | 2019-07-30 | 河南科技大学 | A kind of angular contact bearing birotor testing machine |
| CN109060349A (en) * | 2018-07-19 | 2018-12-21 | 洛阳轴承研究所有限公司 | The testing equipment and test method of screw type refrigerating compressor rotor supports bearing |
| CN109060349B (en) * | 2018-07-19 | 2020-09-25 | 洛阳轴承研究所有限公司 | Testing equipment and testing method for rotor support bearing of screw type refrigeration compressor |
| CN110243483A (en) * | 2019-06-24 | 2019-09-17 | 中国航发动力股份有限公司 | A kind of hot rotatory test temperature measuring equipment of engine rotor part and temp measuring method |
| CN114061951A (en) * | 2021-11-17 | 2022-02-18 | 中国航发哈尔滨轴承有限公司 | Medium-sized tester loading reversing mechanism |
| CN114061951B (en) * | 2021-11-17 | 2023-09-12 | 中国航发哈尔滨轴承有限公司 | Loading reversing mechanism of medium-sized tester |
| CN115628908A (en) * | 2022-12-20 | 2023-01-20 | 哈尔滨船舶锅炉涡轮机研究所(中国船舶集团有限公司第七0三研究所) | Tool for bearing load detection |
| CN115628908B (en) * | 2022-12-20 | 2023-05-16 | 哈尔滨船舶锅炉涡轮机研究所(中国船舶集团有限公司第七0三研究所) | Tool for bearing load detection |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |