CN106769042A - A kind of cylinder roller bearing birotor testing machine - Google Patents

A kind of cylinder roller bearing birotor testing machine Download PDF

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Publication number
CN106769042A
CN106769042A CN201611217776.4A CN201611217776A CN106769042A CN 106769042 A CN106769042 A CN 106769042A CN 201611217776 A CN201611217776 A CN 201611217776A CN 106769042 A CN106769042 A CN 106769042A
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China
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bearing
armature spindle
ring
oil
test
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CN201611217776.4A
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CN106769042B (en
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司东宏
李济顺
于伟涛
薛玉君
马伟
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Henan University of Science and Technology
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Henan University of Science and Technology
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts
    • G01M13/04Bearings

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

A kind of cylinder roller bearing birotor testing machine, including body seat, it is arranged on the armature spindle on body seat, the radial loading device and monitoring device for being arranged on above armature spindle and being fixedly connected with body seat, first is disposed with armature spindle accompanies trial assembly to put, test bearing frock and second accompanies trial assembly to put, the two ends of armature spindle are also each provided with a supporting arrangement, the armature spindle is made up of inner ring armature spindle and outer ring armature spindle, lubricating sleeve is set in the experiment end of inner ring armature spindle under the ring of the test bearing frock, test bearing is arranged with lubricating sleeve under ring, the outer ring of test bearing is pressed in the endoporus at outer ring rotor shaft experiment end;The supporting arrangement includes the axially loaded bearing and bearing support that are set up in parallel, and bearing support is located at the inner side of axially loaded bearing, and axial loading device is additionally provided with the outside of axially loaded bearing.Process of the test science of the present invention, parameters that can be effectively to the large size bearing of high-speed cruising are tested.

Description

A kind of cylinder roller bearing birotor testing machine
Technical field
The present invention relates to a kind of bearing tester, specifically a kind of cylinder roller 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, to have long enough even to equip life cycle management exempts from Safeguard etc., the checking of corresponding simulation operating mode must be done to bearing on testing machine during designing and developing and manufacturing, It is research, design, manufacture and using providing reliable test data, for the design of bearing, manufacture and uses 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 meet present internal diameter more than 110mm, external diameter more than 140mm, high temperature, The test requirements document of rotating speed bearing high.
Especially in work it is inside and outside circle simultaneously rotate high temperature, high speed and precision between centers cylinder roller bearing, because its Work under bad environment, testing standard is more strict, and be there is no in existing testing equipment can complete large scale, rotating speed high, big load The birotor testing machine of cylinder roller bearing experiment.
The content of the invention
In order to solve deficiency of the prior art, the present invention provides a kind of suitable for high temperature, the large-scale between centers for running at high speed The birotor testing machine of cylinder roller bearing, birotor can respectively reach in the same direction or incorgruous driving 30000rpm, test bearing Internal diameter more than or equal to oil temperature supplying under 140mm, interior ring reach 150 DEG C, operating temperature reach 260 DEG C, radial loaded 60KN.
To achieve these goals, the concrete scheme that uses of the present invention for:
A kind of cylinder roller bearing birotor testing machine, including body seat, be arranged on body seat on armature spindle, be arranged on rotor The radial loading device and monitoring device being fixedly connected above axle and with body seat, are disposed with first and accompany examination on armature spindle Device, test bearing frock and second accompany trial assembly to put, and the two ends of armature spindle are also each provided with a supporting arrangement, the armature spindle It is made up of inner ring armature spindle and outer ring armature spindle, lubricating sleeve is set in the examination of inner ring armature spindle under the ring of the test bearing frock End is tested, test bearing is arranged with lubricating sleeve under ring, the outer ring of test bearing is pressed on the endoporus at outer ring rotor shaft experiment end In;The supporting arrangement includes the axially loaded bearing and bearing support that are set up in parallel, and axially loaded bearing and bearing support are equal It is set on armature spindle and bearing support is positioned at the inner side of axially loaded bearing, axle is additionally provided with the outside of axially loaded bearing To loading device.
The test bearing frock also includes fourth order ladder set and test bearing pressure ring, and wherein fourth order ladder is set in ring On lower lubricating sleeve, and the inner ring axial limiting of test bearing is consolidated with the shaft shoulder respective outer side edges of setting on lubricating sleeve outer wall under ring Fixed, test bearing pressure ring is fixed on the experiment end of outer ring armature spindle and fixes the outer ring axial limiting of test bearing.
Described first accompanies trial assembly to put the radial loaded bearing including being set on inner ring armature spindle, outside radial loaded bearing Circle is pressed in the endoporus of radial loaded bearing block, and radial loaded bearing block is also fixedly connected with radial loaded bearing oil distribution casing, Radial loaded bearing oil distribution casing provides lubricating oil and fixes the outer ring axial limiting of radial loaded bearing to radial loaded bearing.
The radial loading device includes that the bottom of " V " shape Liang Ge branches is each attached to machine in the cylinder bracket of inverted " v " In housing and inner ring armature spindle is arranged between two branches, the point of intersection of " V " shape Liang Ge branches is provided with radial loaded oil cylinder, Radial loaded hydraulic oil cylinder driving radial loaded Cylinder Plunger, sensor is additionally provided with the load output end of radial loaded Cylinder Plunger Installing plate, the bottom of sensor installing plate is provided with radial direction load sensor.
Described second accompanies trial assembly to put including being set on the armature spindle of outer ring accompanies examination cylinder roller bearing, and its outer ring is pressed on Accompany examination cylinder roller bearing seat endoporus in and by accompany examination cylinder roller bearing oil distribution casing axial limiting fix, accompany examination cylinder roll Sub- bearing oil distribution casing is fixedly installed on accompanies on examination cylinder roller bearing seat, is additionally provided with the top of examination cylinder roller bearing seat is accompanied Second accompanies trial assembly to put gland, and second accompanies trial assembly to put, and gland is fixedly connected with body seat and both sides are fixedly installed second and accompany examination respectively Device pressure ring I and second accompanies trial assembly to put pressure ring I I, and two pressure rings will accompany examination cylinder roller bearing seat axial limiting to fix;The prison Surveying device includes that being arranged on second accompanies trial assembly to put the sensor installation seat on gland, is additionally provided with sensor on sensor installation seat Support, sensor stand is provided with a vibrating sensor sleeve, and vibrating sensor is provided with vibrating sensor sleeve, its sense The experiment end of outer ring armature spindle should be held.
The cylinder roller bearing birotor testing machine also includes experiment nacelle, and experiment nacelle is fixedly connected with body seat, The inner ring armature spindle and outer ring armature spindle both pass through experiment nacelle, and the test bearing frock is located in the middle part of experiment nacelle In experimental cabin;The lubrication oil supply in the case where the bottom of experiment nacelle is further fixedly arranged on for the ring of lubricating sleeve injection lubricating oil under ring Disk;The monitoring device includes the noise transducer and two temperature sensors that are arranged in experiment nacelle, two TEMPs Device distinguishes the temperature of monitoring test bearing inner race and outer ring.
The supporting arrangement also include the fixed bearing block that is fixedly connected with pedestal bearing outer race and with axially loaded bearing The floating bearing bracket that outer ring is fixedly connected, overall gland is additionally provided with the top of fixed bearing block and floating bearing bracket, overall Gland is fixedly connected with body seat, is also fixedly connected with the side of test bearing frock for that will fix in overall gland The fixed bearing block pressure ring of bearing block axial limiting;Space is left between the fixed bearing block and floating bearing bracket, in space In be provided with two-way oil spout disk, the atomizer of two-way oil spout disk is respectively facing the outer ring rolling of bearing support and axially loaded bearing Road;The floating bearing bracket is pressed close to also to be embedded with bearing ring on the side of axial loading device.
The axial loading device includes the cylinder body and oil cylinder cover plate that are set up in parallel, and wherein cylinder body is pressed close to floating bearing bracket and set Put, uniform alternating annular in shape offers several through holes and several blind holes on cylinder body, and through hole and blind hole are axially disposed And the perforate of blind hole is towards floating bearing bracket, preloading spring is provided with blind hole, hydraulic jack is provided with through hole;It is described The side that oil cylinder cover plate presses close to cylinder body offers the ring shaped oil passage that section is rectangle, is connected with the oil inlet end of hydraulic jack, Also offered for the fuel feeding road to ring shaped oil passage fuel feeding along axis on oil cylinder cover plate.
Machine body cover is also stamped on the body seat, an engine body end cover is also each provided with the two ends of body seat;In body The sidepiece of seat offers the outlet of line inlet, oil discharge outlet and Oil-gas Separation respectively;If being uniformly arranged on the inner surface of machine body cover Dry bar warp-wise reinforcement and broadwise reinforcement, are further opened with radial loaded mechanism via at the top of machine body cover.
Beneficial effect:
1st, realize to lubricating cylinder roller bearing simulation actual condition experiment under major diameter, high temperature, high speed, ring, and using double Rotor structure, it is possible to achieve carry out friction speed synchronized, in the same direction in the same direction, reverse synchronized or reverse friction speed rotation simultaneously to bearing internal external circle The experiment for turning;
2nd, bilateral bearing support is provided with axial loading device, and the preloading spring being uniformly arranged can make degree to support shaft Less to preload, the raising with rotating speed can strengthen loading force by hydraulic jack, it is ensured that the stabilization of bearing support, high speed Operating, such that it is able to the maximum speed of lifting test machine;
3rd, axial following loading uses multi-plunger(16 groups)Hydraulic cylinder is loaded, and loading accuracy is high, loading ride comfort is good, corresponding speed Hurry up, adapt to various types
Number bearing designation test requirements document;
4th, the inwall of lubricating sleeve uses stepped construction under the ring of test bearing, 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 under hydraulic pressure detachable ring and lubricate fixed cover;Not only dismounting, easy for installation, and positioning precision is high, it is to avoid install experiment Stress concentration is produced during bearing, while it also avoid the destructions such as scuffing when test bearing is dismounted to axle;
5th, by setting test bearing hatchcover, realize and accompany being effectively isolated for examination bearing and test bearing lubricating oil, it is to avoid the external world Influence of the lubricating oil to test bearing lubrication detection;
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 snesor, can be to loading force real-time monitoring, it is ensured that the stable operation of testing machine;
8th, testing machine uses sealing structure, can not only improve the overall stability of testing machine, reduces external environmental interference, and examination Testing all waste gases, oil smoke of process generation etc. can accomplish effective collection and process, and reduce the pollution to environment;
9th, radial loading device is arranged on the pedestal of body seat bottom, and is provided with cushion pad on radial loaded bearing, is made Loading link increased the wear-resisting link of damping, be prevented from because vibrating collection, measurement generation influence on loading force signal, while Also effectively prevent the influence that shaft is vibrated beyond shafting;
10th, radial loading device passes through cover, cover is not 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, experiment end rotatable parts use non-contact temperature, vibration, sensor noise, and 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, fuel feeding oil spout oil duct and test bearing chamber lower cover set and are integrated under test bearing ring, inside set 4 road oil input channels and 9 road nozzle bores, not only make structure compacter, easy disassembly and debugging, and can be supplied being lubricated under ring according to test bearing The difference of oil requires that flexible modulation converts fuel system;
13rd, optimization shafting in each bearing Support Position, ensure test bearing effectively load while, improve and accompany examination The stress of 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, ladder puts the pouring orifice for opening up and is arranged on a two ends for diameter, can either ensure ladder set knot when rotated Structure and stability under loading, will not be because of structure Asymmetric ef- fect dynamic balancing;
16th, the support meanss of all parts are connected using transition, when needing change to accompany examination bearing designation according to experiment, it is only necessary to Transition tool is changed, experimentation cost is not only significantly reduced, and Multiple Type bearing is adapted in the range of certain diameter The need for experiment.
Brief description of the drawings
Fig. 1 is overall structure diagram;
Fig. 2 is supporting arrangement and axial loading device structural representation;
Fig. 3 be first accompany trial assembly to put, test bearing frock and second accompanies examination apparatus structure schematic diagram;
Fig. 4 is radial loading device structural representation;
Fig. 5 is outer ring rotor shaft experiment end structure schematic diagram;
Fig. 6 is body holder structure schematic diagram;
Fig. 7 is cover structure schematic diagram;
Fig. 8 is each several part setting position relation schematic diagram.
Reference:1st, body seat, 101, line inlet, 102, oil discharge outlet, 103, Oil-gas Separation outlet, 2, axially loaded Device, 201, cylinder body, 202, oil cylinder cover plate, 203, ring shaped oil passage, 204, hydraulic jack, 205, preloading spring, 3, supporting arrangement, 301st, axially loaded bearing, 302, bearing support, 303, fixed bearing block, 304, fixed bearing block pressure ring, 305, overall gland, 306th, floating bearing bracket, 307, linear bearing, 308, two-way oil spout disk, 309, bearing ring, 3010, force snesor, 3011, first Ladder set, 4, shaft end seal disk, 5, outer ring armature spindle, 501, back oil road, 6, engine body end cover, 7, machine body cover, 8, second accompanies trial assembly Put, 801, accompany examination cylinder roller bearing, 802, accompany examination cylinder roller bearing oil distribution casing, 803, second accompanies trial assembly to put pressure ring I I, 804th, examination cylinder roller bearing seat is accompanied, 805, second accompanies trial assembly to put gland, the 806, second ladder set, and 807, second accompanies trial assembly to put pressure Ring I, 9, monitoring device, 901, sensor installation seat, 902, sensor stand, 903, vibrating sensor, 904, noise transducer, 10th, radial loading device, 1001, cylinder bracket, 1002, sensor installing plate, 1003, load sensor, 1004, radial loaded Oil cylinder, 1005, radial loaded Cylinder Plunger, 11, first accompanies trial assembly to put, and 1101, radial loaded bearing, 1102, radial loaded axle Bearing, 1103, radial loaded bearing oil distribution casing, 1104, cushion pad, the 1105, the 3rd ladder set, 12, inner ring armature spindle, 13, examination Test bearing frock, 1301, test bearing, 1302, fourth order ladder set, 1303, lubricating sleeve under ring, 1304, test bearing pressure ring, 14th, nacelle is tested, 15, lubrication oil supply disk under ring.
Specific embodiment
Embodiments of the present invention are illustrated below according to accompanying drawing.
A kind of cylinder roller bearing birotor testing machine, including body seat 1, be arranged on body seat 1 on armature spindle, set The radial loading device 10 and monitoring device 9 being fixedly connected above armature spindle and with body seat 1, set gradually on armature spindle Having first to accompany trial assembly to put 11, test bearing frock 13 and second accompanies trial assembly to put 8, and the two ends of armature spindle are also each provided with a supporting Device 3.
The armature spindle is made up of inner ring armature spindle 12 and outer ring armature spindle 5, and inner ring armature spindle 12 and outer ring armature spindle 5 It is quill shaft.The test bearing frock 13 is by lubricating sleeve 1303 and examination under test bearing 1301, fourth order ladder set 1302, ring Test bearing pressure ring 1304 to constitute, lubricating sleeve 1303 is set on the experiment end of inner ring armature spindle 12 under its middle ring, test bearing 1301 are set under ring on lubricating sleeve 1303, and its inner ring is by the shaft shoulder structure and the 4th that is set on the outer wall of lubricating sleeve 1303 under ring Ladder covers 1302 axial limitings to be fixed, and fourth order ladder set 1302 is arranged on test bearing 1301 near the one of outer ring armature spindle 5 Side.The outer ring of test bearing 1301 is pressed in the endoporus at the experiment of outer ring armature spindle 5 end, and is tried by with outer ring armature spindle 5 Test and hold the axial limiting of test bearing pressure ring 1304 being fixedly connected to fix, it is remote that test bearing pressure ring 1304 is located at test bearing 1301 From the side of outer ring armature spindle 5.
The non-test end of the inner ring armature spindle 12 and outer ring armature spindle 5 is connected by shaft coupling with gearbox respectively, is become Fast case is connected by shaft coupling with variable-frequency motor, and according to experiment needs, inner ring armature spindle 12 and outer ring armature spindle 5 can become Friction speed synchronized, in the same direction in the same direction, reverse synchronized or reverse friction speed rotation, and motoring ring test bearing respectively are done under the driving of frequency motor 1301 inner ring and outer ring synchronous axial system.Because inner ring armature spindle 12 is fixedly connected with the inner ring of test bearing 1301, and outer ring It is connected with outer ring armature spindle 5, therefore the experiment end internal diameter of outer ring armature spindle 5 is larger, from experiment so in process of the test The lubricating oil that bearing 1301 is sputtered is easy to accumulate on the inwall at the experiment of outer ring armature spindle 5 end, if can not in time by this Parts of lubricating oil is excluded in time, local pyrexia increase is will result in, if this parts of lubricating oil falls into outer ring armature spindle 5 and inner ring In the hollow structure of armature spindle 12, meeting is internal, outer ring rotor axle dynamic-balance is produced and had a strong impact on.Therefore in outer ring armature spindle 5 Some back oil roads 501 are offered on experiment end, back oil road 501 from inside to outside through outer ring armature spindle 5 and is obliquely installed, in examination During testing, fall outer ring armature spindle 5 experiment end on lubricating oil under the influence of centrifugal force, along the outside pump of back oil road 501 Go out.Fall in test bearing 1301 near the lubricating oil of the side of inner ring armature spindle 12, set on the outer wall of lubricating sleeve 1303 under the ring The a plurality of helicla flute lower Accelerating Removal of effect, it is to avoid high temperature grease deposition causes friction to increase, and damages device.
The supporting arrangement 3 includes the axially loaded bearing 301 and bearing support 302 that are set up in parallel, axially loaded bearing 301 and bearing support 302 be set on armature spindle and bearing support 302 be located at axially loaded bearing 301 inner side, it is preferably to It is angular contact bearing.Spacer is additionally provided between axially loaded bearing 301 and bearing support 302.Because angular contact bearing exists Need to carry out pretension before operating, and as the raising of rotating speed to it, it is necessary to apply axial load so that it is obtained adapts to phase The rigidity of rotating speed is answered, therefore the outside of axially loaded bearing 301 is additionally provided with axial loading device 2, axial loading device 2 is exported Be applied to axial load on bearing support 302 by spacer on axially loaded bearing 301 by Axial Loads.
The supporting arrangement 3 also includes the fixed bearing block 303 being fixedly connected with the outer ring of bearing support 302 and adds with axial direction The floating bearing bracket 306 that the outer ring of bearing 301 is fixedly connected is carried, is also set on the top of fixed bearing block 303 and floating bearing bracket 306 Overall gland 305 is equipped with, overall gland 305 is fixedly connected with body seat 1, in overall gland 305 near test bearing frock 13 Side on be also fixedly connected with for by the fixed bearing block pressure ring 304 of the axial limiting of fixed bearing block 303.The fixing axle Space is left between bearing 303 and floating bearing bracket 306, two-way oil spout disk 308, two-way oil spout disk 308 are provided with space It is set on armature spindle, disk body axially inside offers some oil circuits, all oil circuits are uniformly distributed in a circumferential direction, often All to that should have an atomizer, atomizer has both direction for the end of individual oil circuit, is respectively facing axially loaded bearing 301 and branch Bearing 302 is held, and atomizer in opposite direction alternates setting.Two-way oil spout disk 308 is from being opened on fixed bearing block 303 Fuel feeding road obtain lubricating oil, be injected separately towards bearing support 302 and axially loaded bearing 301 after sequentially passing through oil circuit and atomizer Outer ring raceway.The floating bearing bracket 306 is pressed close to also to be embedded with bearing ring 309, bearing ring on the side of axial loading device 2 309 are used to bear the axial load of the output of axial loading device 2, and are transferred to axially loaded bearing 301, and then are passed by spacer Pass the inner ring of bearing support 302.In the presence of axial load, floating bearing bracket 306 can occur a certain degree of axially shifting It is dynamic, therefore linear bearing 307 is additionally provided between floating bearing bracket 306 and overall gland 305, to improve positioning precision and footpath To rigidity, and can effectively reduce the frictional resistance between floating bearing bracket 306 and overall gland 305.In bearing ring 309 Inner side also sets up several force snesors 3010, for monitoring the axial load that bearing ring 309 bears.Preferably, power is sensed Device 3010 is preferably 3, and the pressure value that 3 force snesors 3010 are measured is added as into axial load value.
The axial loading device 2 includes the cylinder body 201 and oil cylinder cover plate 202 that are set up in parallel, and wherein cylinder body 201 presses close to floating Moving axis bearing 306 is set, annular in shape uniform on cylinder body 201 alternately to offer several through holes and several blind holes, through hole and Blind hole is axially disposed and perforate of blind hole is towards floating bearing bracket 306, and preloading spring 205 is provided with blind hole, logical Hydraulic jack 204 is provided with hole, preferably, the quantity of the hydraulic jack 204 and preloading spring 205 is 16.Institute State oil cylinder cover plate 202 press close to cylinder body 201 side offer section be rectangle ring shaped oil passage 203, with entering for hydraulic jack 204 Oily end is connected, and is also offered for the fuel feeding road to the fuel feeding of ring shaped oil passage 203 along axis on oil cylinder cover plate 202.The ring An O-ring seal is each provided with inside and outside shape oil duct 203, O-ring seal is embedded presses close to cylinder body in oil cylinder cover plate 202 On 201 side, for preventing the hydraulic oil in ring shaped oil passage 203 from leaking.
Described first accompanies trial assembly to put 11 includes the radial loaded bearing 1101 being set on inner ring armature spindle 12, preferably justifies Post roller bearing.The outer ring of radial loaded bearing 1101 is pressed in the endoporus of radial loaded bearing block 1102, radial loaded axle Bearing 1102 is also fixedly connected with radial loaded bearing oil distribution casing 1103, and radial loaded bearing oil distribution casing 1103 is to radial loaded axle 1101 offers lubrication oil gas is provided and the outer ring axial limiting of radial loaded bearing 1101 is fixed.Radial loaded bearing 1101 it is interior Circle then covers 1105 axial limitings by the shaft shoulder structure on inner ring armature spindle 12 and the 3rd ladder to be fixed, and the 3rd ladder set 1105 are arranged on side of the radial loaded bearing 1101 away from the working end of outer ring armature spindle 5.Because radial loaded bearing 1101 exists To be subject to radial load, therefore radial loaded bearing block 1102 not to be connected with body seat 1 during work, be set to float.In order to Influence of the extraneous vibration to rotor axial system in process of the test is reduced, on the top of radial loaded bearing block 1102, is further opened with One groove, sets cushion pad 1104 in groove.
The radial loading device 10 includes that, in the cylinder bracket 1001 for being inverted " V " shape, the bottom of " V " shape Liang Ge branches is consolidated It is scheduled on body seat 1 and inner ring armature spindle 12 is arranged between two branches, radial loaded oil cylinder is provided with " V " shape intersection point 1004, radial loaded oil cylinder 1004 drives radial loaded Cylinder Plunger 1005, defeated in the load of radial loaded Cylinder Plunger 1005 Go out end and be additionally provided with sensor installing plate 1002, the bottom of sensor installing plate 1002 is provided with load sensor 1003.In examination During testing, radial loaded oil cylinder 1004 drives radial loaded Cylinder Plunger 1005 to move downward, and by load sensor 1003 are applied on the cushion pad 1104 axial load.By increasing cushion pad 1104, increased radial loaded process The wear-resisting link of damping, effectively reduces the shadow of extraneous vibration to rotor axial system in process of the test of radial loaded bearing block 1102 Ring, be prevented from because vibrating collection, measurement generation influence on loading force signal.
Described second accompanies trial assembly to put 8 tries cylinder roller bearing 801, its outer ring including being set in accompanying on outer ring armature spindle 5 It is pressed in the endoporus for accompanying examination cylinder roller bearing seat 804 and is consolidated by accompanying the axial limiting of examination cylinder roller bearing oil distribution casing 802 Fixed, inner ring covers 806 axial limitings by the shaft shoulder set on outer ring armature spindle 5 with the second ladder to be fixed, and the second ladder set 806 It is arranged on the side for accompanying examination cylinder roller bearing 801 away from the working end of inner ring armature spindle 12.Accompany examination cylinder roller bearing oil distribution casing 802 be fixedly installed on accompany examination cylinder roller bearing seat 804 on, will both accompany examination cylinder roller bearing 801 outer ring axial limiting, also For to accompany examination cylinder roller bearing 801 carry out oil-air lubrication.The is additionally provided with the top of examination cylinder roller bearing seat 804 is accompanied Two accompany trial assembly to put gland 805, and second accompanies trial assembly to put, and gland 805 is fixedly connected with body seat 1 and both sides are fixedly installed the respectively Two accompany trial assembly to put pressure ring I 807 and second accompanies trial assembly to put pressure ring I I803, and two pressure rings are along the circumferential direction uniformly set by several The screw put is accompanied trial assembly to put gland 805 and body 1 and keeps being fixedly connected with second, so as to examination cylinder roller bearing seat will be accompanied 804 axial limitings are fixed.
The cylinder roller bearing birotor testing machine also includes experiment nacelle 14, and experiment nacelle 14 is fixed with body seat 1 Connection, the inner ring armature spindle 12 and outer ring armature spindle 5 both pass through experiment nacelle 14, and the test bearing frock 13 is located at examination In the experimental cabin at the middle part of hatch checking body 14;It is further fixedly arranged on for being sprayed to lubricating sleeve under ring 1303 in the bottom of experiment nacelle 14 Lubrication oil supply disk 15 under the ring of lubricating oil.Lubrication oil supply disk 15 is provided with four road oil input channels and nine road atomizers, oil spout altogether under ring Oil-collecting cavity of the direction of mouth towards lubricating sleeve 1303 under the ring.The design of lubrication oil supply disk 15 under the ring of optimization, structure is more It is compact, easy disassembly and debugging, and can require that the difference of lubrication oil supply under ring flexible modulation is converted according to test bearing Fuel system.
The monitoring device 9 includes that being arranged on second accompanies trial assembly to put the sensor installation seat 901 on gland 805, sensor Sensor stand 902 is additionally provided with mounting seat 901, a vibrating sensor sleeve is offered on sensor stand 902, vibrated Vibrating sensor 903 is provided with sensor sleeve, its induction end presses close to the experiment end of outer ring armature spindle 5;The monitoring device 9 Also include the noise transducer 904 and two temperature sensors that are arranged in experiment nacelle 14, two temperature sensors are supervised respectively Survey the temperature of the inner ring of test bearing 1301 and outer ring.Noise transducer 904 and two temperature sensors are arranged at and experimental cabin In the sensor sleeve of the inside of body 14 connection.Wherein temperature sensor is preferably infrared temperature sensor, and vibrating sensor 903 is excellent Elect electric vortex type vibrating sensor as, noise transducer 904 is preferably condenser pick-up.In order to prevent infrared temperature sensor The lubricant pollution that comes is sputtered during experiment with noise transducer 904 and is inverted sensitivity decrease, therefore in sensor sleeve A blast pipe is connected on the side wall of cylinder, continues to be blown into gas to inside experiment nacelle 14 in process of the test, hindered with air-flow Gear lubricating oil enters into sensor sleeve and sensor is polluted.
Machine body cover 7 is also stamped on the body seat 1, an engine body end cover 6 is also each provided with the two ends of body seat 1; The sidepiece of body seat 1 offers line inlet 101, oil discharge outlet 102 and Oil-gas Separation outlet 103 respectively;In the interior table of machine body cover 7 Some warp-wise reinforcements and broadwise reinforcement are uniformly arranged on face, radial loading device is further opened with the top of machine body cover 7 Via 701.Radial loading device 10 is through the radial loading device via 701 on cover 7, so that cover 7 is not subject to radially Loading force, in the case where test speed, temperature are relatively low, can not fitting machine lid just tested, simplify experiment process, carry Test efficiency high.
The first described ladder covers the rank that the 3011, second ladder covers the 806, the 3rd ladder set 1105 and fourth order ladder set 1302 Terraced structure is arranged on inwall, the annular groove that a section is rectangle is specially dug in the middle part of inwall, so as to be formed One hierarchic structure.And a filling oil duct is offered on each ladder set, fill oil duct and be opened on ladder set side wall, with rank Ladder set axis is vertical and is connected with the hierarchic structure of ladder set inwall, and one is further opened with the side wall of ladder set puts down Weighing apparatus hole, balance pipe is identical with oil channel structure is filled and on the axisymmetrical of ladder set, but balance pipe does not cover inwall with ladder Hierarchic structure is connected.By setting balance pipe, ensure that ladder covers structure and stability under loading when rotated, will not be because of knot Structure is uneven to be caused to damage.
By optimization design and experiment, the position relationship of each several part device is:In the horizontal direction, inner ring armature spindle 12 is taken Non-test end be a points, the bearing support 302 on inner ring armature spindle 12 be A points, radial loaded bearing 1101 be B points, experiment axle Hold 1301 for F points, accompany examination cylinder roller bearing 801 to be C points, bearing support 302 D points, outer ring rotors on outer ring armature spindle 5 The non-test end of axle 5 is a ' points, then the position relationship of each point is BF=CF, AB=CD, aF=Da ', BF/AB=CF/CD=5.25, AB/ aA=CD/Da’=2.47.The Support Position of each bearing in the shafting of optimization, while ensureing that test bearing is effectively loaded, changes It has been apt to accompany the stress of examination cylinder roller bearing and radial loaded bearing.The service life of testing machine is extended, testing machine is improve Reliability and stability.
The course of work of the axial loading device 2 is:According to bearing support 302 to the demand of pretightning force, from suitable Preloading spring 205, after testing machine is installed, preloading spring 205 all the time to bearing ring 309 apply axial pre tightening force; After on-test, with the raising of rotating speed, the axial load that bearing support 302 needs is stepped up, now by hydraulic jack 204 to the output loads of bearing ring 309, to meet demand of the bearing support 302 to axial load;In process of the test, the power is passed The axial load that the real-time monitoring bearing ring 309 of sensor 3010 bears, and the load capacity conversion that will be monitored by signal transmitting device It is data signal, to hydraulic pressure control device, real-time adjustment is delivered to hydraulic jack 204 to hydraulic pressure control device to feedback transmission accordingly Oil pressure, and then adjust axial load amount.The combination load mode loaded using spring pre-tightening loading and hydraulic follow-up, can either expire Demand of the sufficient bearing support 302 to pretightning force, additionally it is possible to constantly adjust axial load amount, it is adaptable to different experiment demands.Phase For single spring loads, such load mode loading force controllability degree is high, and load output is uniform, change is gentle.Phase For single hydraulic loaded, such load mode can solve the problem that the dead-time problem that hydraulic loading system is present, moreover it is possible to It is enough to keep each device not to be damaged by spring loads in the case of hydraulic system fails.
The course of work of the radial loading device 10 is:After on-test, radial loaded oil cylinder 1004 drives radially Load cylinder plunger 1005 moves downward applying radial load, and by Radial Loads in the top of radial loaded bearing block 1102 Cushion pad 1104 in, radial loaded bearing 1101, radial loaded bearing are then passed to by radial loaded bearing block 1102 1101 by radial load transfer to inner ring armature spindle 12, and then pass to test bearing 1301, complete the applying of radial load.Footpath Automaton is also associated with to load cylinder 1104, with the change of operating condition of test, the load of radial load is constantly adjusted Amount, regulation process is similar with the regulation process of axial load, repeats no more.
The fixed form of whole machine is:Body seat 1 is horizontally fixed on base by foundation bolt, and cover 10 passes through per side 18 Individual 36 M8*35 bolts and pad altogether are fixed on body seat 1, on the body seat 1 of 1 junction of cover 10 and body seat, There is O-ring seal by digging groove assembling device;Two ends are each provided with a support end cap 9, and each support end cap 9 passes through 18 Be fixed on support end cap 9 on body seat 1 and cover 10 by M10*30 bolts and pad, and the groove of support end cap 9 is built with O-shaped close Seal.
Through overtesting, the inner ring armature spindle 12 and outer ring armature spindle 5 can respectively reach in the same direction or incorgruous driving 30000rpm, the internal diameter of test bearing 1301 can reach 150 DEG C, work temperature more than or equal to oil temperature supplying under 140mm, interior ring Degree reaches 260 DEG C, radial load 60KN.

Claims (9)

1. a kind of cylinder roller bearing birotor testing machine, including body seat(1), be arranged on body seat(1)On armature spindle, set Put above armature spindle and with body seat(1)The radial loading device being fixedly connected(10)And monitoring device(9), on armature spindle Being disposed with first accompanies trial assembly to put(11), test bearing frock(13)Trial assembly is accompanied to put with second(8), the two ends of armature spindle are also each It is provided with a supporting arrangement(3), it is characterised in that:
The armature spindle is by inner ring armature spindle(12)With outer ring armature spindle(5)Composition, the test bearing frock(13)Ring under Lubricating sleeve(1303)It is set in inner ring armature spindle(12)Experiment end, the lubricating sleeve under ring(1303)On be arranged with test bearing (1301), test bearing(1301)Outer ring be pressed on outer ring armature spindle(5)In the endoporus at experiment end;
The supporting arrangement(3)Including the axially loaded bearing being set up in parallel(301)And bearing support(302), axially loaded axle Hold(301)And bearing support(302)It is set on armature spindle and bearing support(302)Positioned at axially loaded bearing(301)'s Inner side, in axially loaded bearing(301)Outside be additionally provided with axial loading device(2).
2. a kind of cylinder roller bearing birotor testing machine as claimed in claim 1, it is characterised in that:The test bearing work Dress(13)Also include fourth order ladder set(1302)With test bearing pressure ring(1304), wherein fourth order is terraced covers(1302)It is set in ring Lower lubricating sleeve(1303)On, and with lubricating sleeve under ring(1303)The shaft shoulder respective outer side edges set on outer wall are by test bearing(1301) Inner ring axial limiting fix, test bearing pressure ring(1304)It is fixed on outer ring armature spindle(5)Experiment end on and will test axle Hold(1301)Outer ring axial limiting fix.
3. a kind of cylinder roller bearing birotor testing machine as claimed in claim 1, it is characterised in that:Described first accompanies trial assembly Put(11)Including being set in inner ring armature spindle(12)On radial loaded bearing(1101), radial loaded bearing(1101)Outer ring It is pressed on radial loaded bearing block(1102)Endoporus in, radial loaded bearing block(1102)Also it is fixedly connected with radial loaded axle Hold oil distribution casing(1103), radial loaded bearing oil distribution casing(1103)To radial loaded bearing(1101)There is provided lubricating oil and by radially Load bearings(1101)Outer ring axial limiting fix.
4. a kind of cylinder roller bearing birotor testing machine as claimed in claim 3, it is characterised in that:The radial loaded dress Put(10)Including the cylinder bracket in inverted " v "(1001), the bottom of " V " shape Liang Ge branches is each attached to body seat(1)It is upper and Inner ring armature spindle(12)It is arranged between two branches, the point of intersection of " V " shape Liang Ge branches is provided with radial loaded oil cylinder (1004), radial loaded oil cylinder(1004)Drive radial loaded Cylinder Plunger(1005), in radial loaded Cylinder Plunger(1005) Load output end be additionally provided with sensor installing plate(1002), sensor installing plate(1002)Bottom radial direction loading is installed Sensor(1003).
5. a kind of cylinder roller bearing birotor testing machine as claimed in claim 1, it is characterised in that:Described second accompanies trial assembly Put(8)Including being set in outer ring armature spindle(5)On accompany examination cylinder roller bearing(801), its outer ring is pressed on accompanies examination cylinder to roll Sub- bearing block(804)Endoporus in and by accompany examination cylinder roller bearing oil distribution casing(802)Axial limiting is fixed, and accompanies examination cylinder to roll Sub- bearing oil distribution casing(802)It is fixedly installed on and accompanies examination cylinder roller bearing seat(804)On, accompanying examination cylinder roller bearing seat (804)Top be additionally provided with second and accompany trial assembly to put gland(805), second accompanies trial assembly to put gland(805)With body seat(1)It is fixed Connect and both sides are fixedly installed second and accompany trial assembly to put pressure ring I respectively(807)Trial assembly is accompanied to put pressure ring I I with second(803), two Pressure ring will accompany examination cylinder roller bearing seat(804)Axial limiting is fixed;The monitoring device(9)Trial assembly is accompanied including being arranged on second Put gland(805)On sensor installation seat(901), sensor installation seat(901)On be additionally provided with sensor stand(902), Sensor stand(902)A vibrating sensor sleeve is provided with, vibrating sensor is provided with vibrating sensor sleeve (903), its induction end presses close to outer ring armature spindle(5)Experiment end.
6. a kind of cylinder roller bearing birotor testing machine as claimed in claim 1, it is characterised in that:The cylindrical roller axle Holding birotor testing machine also includes experiment nacelle(14), test nacelle(14)With body seat(1)It is fixedly connected, the inner ring rotor Axle(12)With outer ring armature spindle(5)Both pass through experiment nacelle(14), and the test bearing frock(13)Positioned at experiment nacelle (14)In the experimental cabin at middle part;In experiment nacelle(14)Bottom be further fixedly arranged on for lubricating sleeve under ring(1303)Injection Lubrication oil supply disk under the ring of lubricating oil(15);The monitoring device(9)Including being arranged on experiment nacelle(14)On noise sensing Device(904)With two temperature sensors, two temperature sensors difference monitoring test bearings(1301)Inner ring and the temperature of outer ring.
7. a kind of cylinder roller bearing birotor testing machine as claimed in claim 1, it is characterised in that:The supporting arrangement (3)Also include and bearing support(302)The fixed bearing block that outer ring is fixedly connected(303)And with axially loaded bearing(301)Outward The floating bearing bracket that circle is fixedly connected(306), in fixed bearing block(303)And floating bearing bracket(306)Top be additionally provided with Overall gland(305), overall gland(305)With body seat(1)It is fixedly connected, in overall gland(305)Near test bearing work Dress(13)Side on be also fixedly connected with for by fixed bearing block(303)The fixed bearing block pressure ring of axial limiting(304); The fixed bearing block(303)And floating bearing bracket(306)Between leave space, two-way oil spout disk is provided with space (308), two-way oil spout disk(308)Atomizer be respectively facing bearing support(302)With axially loaded bearing(301)Outer ring rolling Road;The floating bearing bracket(306)Press close to axial loading device(2)Side on be also embedded with bearing ring(309).
8. a kind of cylinder roller bearing birotor testing machine as claimed in claim 7, it is characterised in that:The axially loaded dress Put(2)Including the cylinder body being set up in parallel(201)With oil cylinder cover plate(202), wherein cylinder body(201)Press close to floating bearing bracket(306) Set, in cylinder body(201)Upper uniform alternating annular in shape offers several through holes and several blind holes, and through hole and blind hole are along axle To set and blind hole perforate towards floating bearing bracket(306), preloading spring is provided with blind hole(205), set in through hole It is equipped with hydraulic jack(204);The oil cylinder cover plate(202)Press close to cylinder body(201)Side offer section be rectangle annular Oil duct(203), with hydraulic jack(204)Oil inlet end be connected, in oil cylinder cover plate(202)On also along axis offer for Ring shaped oil passage(203)The fuel feeding road of fuel feeding.
9. a kind of cylinder roller bearing birotor testing machine as claimed in claim 1, it is characterised in that:The body seat(1) On be also stamped machine body cover(7), in body seat(1)Two ends be also each provided with an engine body end cover(6);In body seat(1)Side Portion offers line inlet respectively(101), oil discharge outlet(102)Exported with Oil-gas Separation(103);In machine body cover(7)Inner surface On be uniformly arranged some warp-wise reinforcements and broadwise reinforcement, in machine body cover(7)Top be further opened with radial loaded mechanism Via(1001).
CN201611217776.4A 2016-12-26 2016-12-26 Cylindrical roller bearing dual-rotor testing machine Active CN106769042B (en)

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CN113008718A (en) * 2021-03-23 2021-06-22 太原科技大学 Axial plunger pump flow distribution pair test device and method
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Publication number Priority date Publication date Assignee Title
CN107966296A (en) * 2017-12-06 2018-04-27 中国航发哈尔滨轴承有限公司 A kind of medium size bearing exerciser
CN110895199A (en) * 2019-11-21 2020-03-20 洛阳Lyc轴承有限公司 Bearing light-load slipping test device
CN110895199B (en) * 2019-11-21 2024-06-07 洛阳轴承集团股份有限公司 Bearing light-load slip test device
CN111999063A (en) * 2020-07-28 2020-11-27 人本股份有限公司 Test device for monitoring inner ring temperature
CN112629856A (en) * 2020-12-14 2021-04-09 中国航发哈尔滨轴承有限公司 Large-scale aeroengine bearing testing machine bed body with expanded function
CN113008718A (en) * 2021-03-23 2021-06-22 太原科技大学 Axial plunger pump flow distribution pair test device and method
CN113566773A (en) * 2021-07-26 2021-10-29 中车永济电机有限公司 Bearing inner and outer ring and rolling element roundness detection tool
CN114486253A (en) * 2022-02-09 2022-05-13 哈尔滨理工大学 Comprehensive performance testing machine for cylindrical roller bearing and testing method thereof
CN114720125A (en) * 2022-04-08 2022-07-08 中南大学 Multi-structure-size slewing bearing test bed and detection method
CN114720125B (en) * 2022-04-08 2022-12-02 中南大学 Multi-structure-size slewing bearing test bed and detection method

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