CN106226080A - A kind of bearing test device - Google Patents
A kind of bearing test device Download PDFInfo
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- CN106226080A CN106226080A CN201610786368.4A CN201610786368A CN106226080A CN 106226080 A CN106226080 A CN 106226080A CN 201610786368 A CN201610786368 A CN 201610786368A CN 106226080 A CN106226080 A CN 106226080A
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- radial loaded
- bearing
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- location
- test
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The present invention relates to bearing testing device field, particularly to a kind of bearing test device.Bearing test device includes radial loaded mechanism and test head assembly, described test head assembly includes left and right lining and the radial loaded set with the top press-fit of radial loaded mechanism, described radial loaded puts and is provided with at least two and radially loads set radial loaded set louvre circumferentially, solves the problem that the radiator structure of the current bearing test device of cage is not applied for the bearing test device of miniature bearing.
Description
Technical field
The present invention relates to bearing testing device field, particularly to a kind of bearing test device.
Background technology
Miniature deep groove ball bearing refers to meter series, the external diameter all kinds of deep groove ball bearings less than 9mm.Main material has carbon
Steel, bearing steel, rustless steel, plastics, pottery etc., it is adaptable to all types of industries equipment, small-sized turning motor contour rotating speed low noise set
Standby.Experimental study currently for miniature deep groove ball bearing mainly carries out fatigue life and strengthening performance test, in order to analyze
And improve constantly design level and the product quality of miniature deep groove ball bearing, need to be specifically designed to the performance of miniature deep groove ball bearing
And life test apparatus carries out experimental study, provide authentic and valid data refer for the design of product and theory analysis.Mesh
It is CN101718625A, announcement that the structure of front bearing test device is not particularly suited for miniature deep groove ball bearing, such as publication No.
A kind of high temperature and high speed test method for sealing bearing day for the Chinese patent of 2010.06.02 disclosed in, the test of its use
Device include body base and the test head assembly being arranged on body base, test head assembly include left lining, right lining,
Axially loaded set, radial loaded set, testing main shaft and accompany examination bearing, left and right lining is fixed on body base, accompany examination bearing and
The inner ring of test bearing is fixed on test main shaft, accompanies the outer ring of examination bearing to be connected with radial loaded set, left and right test bearing
Outer ring is connected with left and right lining respectively, and radial loaded puts and is provided with water-cooling channel.This bearing test device is to accompanying examination bearing
Heat radiation employing arranges water-cooling channel on radial loaded set and dispels the heat, due to the small size property of miniature bearing, corresponding axle
The size holding assay device reduces the most accordingly, the existing water-cooled arranging water-cooling channel on the loading set of bearing test device
Radiator structure can not be applicable on the bearing test device of miniature bearing.
Summary of the invention
It is an object of the invention to provide a kind of bearing test device, to solve the radiator structure of current bearing test device
The problem being not applied for the bearing test device of miniature bearing.
For achieving the above object, the technical scheme of a kind of bearing test device of the present invention is: a kind of bearing test device,
Including radial loaded mechanism and test head assembly, described test head assembly includes left and right lining and pushes up with radial loaded mechanism
The radial loaded set of press-fit, described radial loaded puts and is provided with at least two and radially loads set radial direction circumferentially and add
Carry set louvre.
Described test head assembly also includes location co-axially fixed with left and right lining lining, on described location lining
It is provided with the radial loaded mechanism perforation for passing for radial loaded mechanism and positions lining week with radial loaded mechanism perforation edge
To spaced location lining louvre.
Described location lining louvre is diametrically arranged with location, described radial loaded mechanism perforation edge lining.
Described left and right lining is respectively equipped with the through hole running through left and right end face.
The left and right end face of described radial loaded set is provided with spline part, and described spline part stretches in described through hole.
Described radial loaded puts and is provided with for positioning end cap, institute with the examination bearing of accompanying accompanying examination bearing outer ring location fit
The examination bearing location end cap of accompanying stated is fixed on radial loaded is put by location head bolts, and described location head bolts stretches into
Spline part described in constituting in described through hole.
The removable plunger being fixed with closure through hole in described through hole.
The invention have the benefit that the radial loaded of bearing test device puts to be provided with at least two and radially load set
Louvre circumferentially, can be by louvre to accompanying examination bearing to dispel the heat during use, with current by radial loaded
Putting and arrange water-cooling channel and compare, the radial loaded of the bearing test device of the present invention puts that to arrange louvre easy to process, no
Be put to the test the impact of plant bulk.
Further, described test head assembly also includes location co-axially fixed with left and right lining lining, and described determines
Position lining is provided with the radial loaded mechanism perforation for passing for radial loaded mechanism and with radial loaded mechanism along location lining
Overlap circumferentially spaced location lining louvre, it is to avoid the temperature overheating in location lining and radial loaded set causes accompanies examination axle
The damage held, affects the precision of result of the test.
Accompanying drawing explanation
Fig. 1 is the structural representation of the specific embodiment 1 of the bearing test device of the present invention；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the structural representation of the water tank of the specific embodiment 1 of the bearing test device of the present invention；
Fig. 4 is the sectional view of the test head assembly of the specific embodiment 1 of the bearing test device of the present invention；
Fig. 5 is the sectional view of the radial loaded mechanism of the specific embodiment 1 of the bearing test device of the present invention；
Fig. 6 is the sectional view of the axially loaded mechanism of the specific embodiment 1 of the bearing test device of the present invention；
Fig. 7 is the structural representation when left and right lining arranges plunger of the specific embodiment 2 of the bearing test device of the present invention
Figure.
Detailed description of the invention
The specific embodiment 1 of a kind of bearing test device of the present invention, as shown in Figures 1 to 6, bearing test device includes
Frame 1, be arranged in frame the test head assembly 2 for installation test bearing, for the test electricity that is in transmission connection of head assembly 2
Spindle drive systems 3 and test head assembly are connected to apply the radial loaded mechanism of radial load to the outer ring of test bearing
4 and test head assembly be connected to apply the axially loaded mechanism 5 of axial load and and electro spindle to the outer ring of test bearing
Drive system is connected as electro spindle drive system and provides the cooling water tank 6 of cooling.In the present embodiment, bearing test device is double
Station structure, i.e. test head assembly, electro spindle drive system, axially loaded mechanism, radial loaded mechanism are equipped with two sets.
Being installed with work platforms 12 in frame 1, work platforms is installed with mounting seat 13, electro spindle drive system 3 is fixed
In mounting seat 13.Being additionally provided with base 14 in mounting seat 13, test head assembly 2 is fixed on base 14.Mounting seat 13 passes through spiral shell
Nail is fixed on work platforms.The bottom of frame 1 is provided with rolling castor 16, is provided with vent window on rear side of frame.Test head assembly 2 wraps
Including test head gland 21, radial loaded mechanism 4 is fixedly connected on test head gland 21.
Electro spindle drive system 3 includes motor 31 and electric machine main shaft 32, and electric machine main shaft 32 is provided with electric machine main shaft shaft coupling
33。
Test head assembly 2 includes testing main shaft 22, and test main shaft 22 right-hand member is provided with and is flexible coupling with electric machine main shaft shaft coupling 33
Test main spindle coupling 221, in the present embodiment, test main spindle coupling 221 passes through nylon with electric machine main shaft shaft coupling 33
Rope connects, it is achieved being flexible coupling of test main shaft and electric machine main shaft, it is achieved electric machine main shaft with test main shaft under high-speed rotation
Being stably connected with, in other embodiments, test main shaft can be directly connected to by rubber ring with electric machine main shaft.
On test main shaft 22, back-to-back being equipped with left and right accompanies examination bearing, and a left side accompanies examination bearing 231 by being arranged on test main shaft
Shaft shoulder location on 22, a left side accompanies the left side of examination bearing 231 to be provided with spacer 232.The right side of spacer 232 is by being located at test main shaft
The shaft shoulder position and be connected to a left side accompany examination bearing 231 inner ring on, the left side of spacer 232 for and left test bearing 233
Inner ring end face location fit, test main shaft is in the part on the left of spacer 232 and is provided with left test bearing construction section.Test main shaft
Upper install that examination bearing 234 is accompanied on the right side, the structure of right test bearing 235 accompanies examination bearing 231, left test bearing 233 on the left of installing
Structure is identical, repeats no more.
The left end of test main shaft 22 is provided with the nut 236 for positioning test bearing on the left of assembling, left test bearing 233
Inner ring left end face and nut 236 push up press-fit.The right-hand member of test main shaft 22 is provided with for positioning test bearing on the right side of assembling
Right bearing installs set 237, and right bearing installs the left side of set 237 and its right end face top press-fit of right test bearing inner ring, right
The right side of bearing mounting sleeve 237 and main spindle coupling 33 push up press-fit.
Test head assembly also includes for fixing, with the left and right outer ring accompanying examination bearing, the radial loaded set 24 being connected.Radially
The left and right two ends of loading set 24 are provided with accompanies examination bearing location end cap 241, accompanies examination bearing to position end cap 241 by location end cap spiral shell
On the end face at the left and right two ends that nail 242 is fixed on radial loaded set 24, the cycle surface of examination bearing is accompanied to try bearing positioning end with accompanying
Caping press-fit is connected with the fixing of outer ring realizing radial loaded set with accompany examination bearing.
Test head assembly includes the left lining 25 for supporting left test bearing and the right lining for supports right test bearing
Set 26, left and right lining is separately positioned on the left and right two ends of test main shaft 22, in order to ensure the axiality of left and right lining, and then
Improving the coaxial precision of left and right test bearing, the periphery of left lining 25 and right lining 26 is arranged with and positions lining 27, left lining 25,
Right lining 26, location lining 27 are coaxially fixed.The left end of left lining 25 is provided with left lining flange arrangement 251, the right side of right lining 26
Side is provided with right lining flange arrangement 261, and left lining flange arrangement 251 passes through left side screw with the left side of location lining 27
252 fixing connections, right lining flange arrangement 261 is connected by right side screw 262 is fixing with the right side of location lining 27.Fixed
Position lining 27 is fixed on base 14.Test head assembly also includes that axially loaded dish 238, axially loaded dish 238 are arranged on left lining
In set 25, the right side of axially loaded dish is for the left side top press-fit with the outer ring of left test bearing.
Left lining 25 is provided with the left lining through hole 253 corresponding with left side screw, and left lining through hole 253 is in left-right direction
Run through whole left lining 25, in case fastening position lining and left lining in the screw cap of location head bolts 242 stretches into left lining through hole
Set relatively rotates.The right lining through hole that the screw cap spline being provided with too on right lining and position head bolts 242 coordinates
263, right lining through hole 263 runs through right lining in left-right direction.Location head bolts 242 constitutes the spline part coordinated with through hole,
In other embodiments, the nut of location head bolts can not stretch in left lining through hole, and on the left side of location lining
Additionally arrange other spline parts such as spline pin to stretch in left lining through hole to limit relatively rotating, together of location lining and left lining
Reason, right lining through-hole structure can be identical with left lining through-hole structure, and location lining can be symmetrical set.
Radial loaded mechanism 4 is arranged on the radial side of the test main shaft 22 of test head assembly 2, and location lining 27 is provided with use
The radial loaded mechanism perforation 271 that radial loaded puts it is pressed in through top in making radial loaded mechanism.Radial loaded mechanism 4 includes
Coordinating, for abutting with radial loaded set 24, the radial loaded 41 loading test bearing, radial loaded 41 is through radially adding
Mounted mechanism perforation 271 and radial loaded set 24 top press-fit.Axially loaded mechanism 5 includes pushing up press-fit with axially loaded dish 238
Axially loaded 51.In the present embodiment, radial loaded mechanism and axially loaded mechanism are flexible loading mechanism.Radially add
When mounted mechanism loads, radial force puts on radial loaded and puts, and radial force is transmitted to accompany examination bearing outer ring by radial loaded set,
And then be transmitted to accompany examination bearing inner race, test main shaft, then in succession it is transferred to test bearing inner ring, test bearing from test main shaft
Outer ring.When axially loaded mechanism loads, axial force puts on left test bearing outer ring, and axial force is transferred to by left test bearing
Test main shaft, and then it is transferred to right test bearing inner ring, right test bearing outer ring successively.
Test head assembly 2 is fixed on base 14 by test head gland 21, and radial loaded mechanism 4 is fixed on test head pressure
On lid 21.Left and right left end cap 28, the right end cap 29 of being respectively arranged at two ends with of test head assembly, test head assembly steps up at left and right end
Between lid.Axially loaded mechanism 5 is fixed on left end cap 28.
Radial loaded mechanism 4 includes the radial loaded mechanism shell of sleeve-shaped, and radial loaded mechanism shell includes radially overlapping
Cylinder 42 and be arranged on the radial loaded end cap 45 of radially sleeve ends, radially guides in sleeve 42 and is equipped with at radial loaded head
41, radial spring mounting seat 43, radial transducer fix seat 44, and radial loaded end cap 45 is arranged on the outer face of radially sleeve 42
Go up and fixed with radial loaded mechanism shell by screw.Radial loaded end cap 45 is threaded radial loaded screw rod 46, footpath
Being pressed in radial transducer fix on seat 44 to loading in screw rod 46 stretches into radial direction sleeve 42 and top, radial transducer fixes seat and footpath
Radial pressure sensor 47, radial pressure sensor and radial spring mounting seat, radial transducer it is provided with between spring mounting seat
Fixing seat is screwed.Radial loaded alligator clamp is located between radial loaded head and radial spring mounting seat.
In order to improve the loading accuracy of radial loaded mechanism, meet the requirement of the loading force of miniature bearing, radial loaded end
Cover and be provided with the outer peripheral face to radial loaded screw rod and execute stressed radial loaded mechanism pressure part and be arranged on radial loaded machine
Radial loaded mechanism flexibility top-pressure part between structure pressure piece and radial loaded screw rod.In the present embodiment, radial loaded mechanism
Pressure piece is to be threaded on radial loaded end cap for the outer peripheral face of radial loaded screw rod is executed stressed plug 481,
Radial loaded mechanism flexibility top-pressure part is the flexible resisting force column 482 being arranged between plug 481 and radial loaded screw rod.
Plug 481 and flexible resisting force column 482 one_to_one corresponding, it is equal that flexible resisting force column 482 radially loads end cap circumferencial direction
Even being provided with three, make the inside precession of plug by rotating plug during use, plug applies pressure, flexible resistance to flexible resisting force column
Post and radial loaded screw top press-fit, under the pressure effect of flexible resisting force column, the precession resistance of radial loaded screw rod increases.
Applying radial loaded screw rod under identical active force, slowing of radial loaded screw rod precession, precession amount is less, meanwhile,
Symmetrically arranged radial loaded mechanism flexibility top-pressure part also is able to ensure stablizing of radial loaded screw rod, and radial loaded screw rod is in rotation
Easily rock during entering.In the present embodiment, flexible resisting force column is rubber plunger, and in other embodiments, flexible resisting force column exists
Under conditions of not damaging the screw thread loaded on screw rod, can be other elastomeric materials such as plastics.
Radial spring mounting seat 43 is provided with radial loaded spring 49, and radial spring is stretched in one end of radial loaded spring 49
In mounting groove in mounting seat, other end top press-fits and fits on radial loaded head, and radial loaded spring 49 is along with radial loaded spiral shell
Bar extended line is that the circumferencial direction of axis is uniformly provided with four, compared to existing technology in single spring, the present invention arrange four
Individual radial loaded spring more can strengthen radial loaded screw rod stability during adjusting radial loaded power.Implement at other
In example, the particular number of radial loaded mechanism flexibility top-pressure part and radial loaded spring can be according to the parameter of bearing test device
At least three is set.
Axially loaded mechanism 5 includes that axially loaded mechanism shell, axially loaded mechanism shell include axial sleeve 52 and set
Put the axially loaded outer end cap 551 in axial sleeve end and axially loaded inner end cap 552, axially loaded inner end cap guides dress
It is furnished with axially loaded 51, is provided with axle spring mounting seat 531, axle spring top wedge 532 in axial sleeve 52, axially senses
Seat 54 fixed by device, and axle spring mounting seat axially loads mechanism's force direction guiding and coordinates with axial sleeve,
Guide in axle spring mounting seat 531 and be equipped with the attachment screw 533 corresponding with axially loaded spring 59, attachment screw
Threadeding with axle spring top wedge 532, attachment screw and axially loaded spring one_to_one corresponding, axially loaded spring 59 is sheathed
On attachment screw and be folded between axle spring top wedge and axle spring mounting seat.The screw cap of attachment screw is with axial
Spring mounting seat 531 block coordinates.
Seat 54 and axle spring top wedge 532 are fixed respectively at axial sensor in the two ends, left and right of axial compressive force sensor 57
It is screwed.Axially loaded outer end cap 551 is threaded axially loaded screw rod 56, and axially loaded screw rod stretches into axial sleeve 52
Interior and top is pressed in axial sensor and fixes on seat.
Axially loaded outer end cap is provided with the outer peripheral face to axially loaded screw rod and executes stressed axially loaded mechanism pressure
Part and the axially loaded mechanism flexibility top-pressure part 582 being arranged between axially loaded mechanism pressure part 581 and axially loaded screw rod.
Axially loaded mechanism pressure part is identical with the structure of radial loaded mechanism pressure part, axially loaded mechanism flexibility top-pressure part 582 with
Radial loaded mechanism flexibility top-pressure part structure is identical, and it will not go into details, and axially loaded mechanism flexibility top-pressure part 582 is also for energy
Enough improve the loading accuracy of radial loaded mechanism, meet the miniature bearing requirement to axial loading force.The cloth of axially loaded spring
Office is identical with the layout of radial loaded spring, can adjust axial according to the difference of the loading force required for bearing test device
Loading spring and the concrete model sum amount of radial loaded spring.It is equipped with on axially loaded screw rod and radial loaded screw rod conveniently
The handle 7 loaded.
The location lining diametrically arranged with location, radial loaded mechanism perforation edge lining it is additionally provided with on the lining 27 of location
Louvre 272, radial loaded is arranged with three and radially loads the radial loaded set louvre 243 that set circumference is evenly arranged, examination
Test a gland 21 and be provided with gland louvre 211, gland louvre 211 and bearing test device ft connection.Bearing test fills
Install and dispelled the heat by radial loaded mechanism perforation 271, location lining louvre 272, radial loaded set louvre 243, gland
First heat dissipation channel in hole 211.Left lining through hole runs through described left lining, and right lining through hole runs through described right lining, left
The two ends of lining through hole are outside with bearing test device respectively and radial loaded mechanism perforation 271 connects, the two of right lining through hole
End is outside with bearing test device respectively and radial loaded mechanism perforation 271 connects, and bearing test device is additionally provided with by a left side
Second heat dissipation channel of lining through hole and by the 3rd heat dissipation channel of right lining through hole.Radial loaded on radial loaded set 24
Set louvre 243 makes the first heat dissipation channel run through radial loaded set.Above-mentioned first heat dissipation channel is oil lubrication oil circulation passage,
In the present embodiment, when bearing test device uses grease lubrication, bearing test device uses wind-cooling heat dissipating.In other embodiments, axle
Holding assay device and use oil lubrication, bearing test device cools down with lubricating oil for Medium Oil.When using oil lubrication, left and right lining
Arranging plunger in through hole and block the left and right lining through hole gateway quantity with minimizing oil circuit, plunger is removable is fixed on left and right lining
In through hole, simplify oil circuit.Keeping the first heat dissipation channel unimpeded, now lubricating oil is circulated by the first heat dissipation channel, lubricating oil
Chiller can be arranged in fuel tank circulating oil path is cooled down, reach the purpose of heat radiation.
When the bearing test device of the present invention assembles, putting in base by test head, connection nylon rope also drips to nylon rope
A little lubricating oil, it is ensured that two shaft coupling spacing 1.5-2mm；Left end cap is loaded test head gland, and attachment screw, is integrally placed at examination
Test above head；Ensure that two shaft coupling spacing are constant, test head is fitted tightly with left end cap；Ensure that temperature sensor is installed to
Position, measures head and accurately fits in measured bearing outer ring, can tighten T-shaped screw-nut；Right end cap, and attachment screw are installed.
Computer supervisory control system is opened in energising, opens the main interface of monitoring programme, will show examination on the main interface of program in real time
Test rotating speed, radial load, alternating water delivery time, bearing outer ring temperature, bear vibration, static current of lcd, test period, accumulative test
The parameters such as time.On the comparison main interface of monitoring programme, the show value of load, first rotates the regulation of radial loaded mechanism with spanner
Screw rod, makes adjusting screw rod move down thus compresses radial loaded spring, and the size of power is shown to monitoring by pressure transducer
On the main interface of program, the size applying power determines according to the test requirements document of test bearing, generally by the specified dynamic load of test bearing
The 15%～25% of lotus.The control method of axially loaded mechanism is identical with radial loaded mechanism control method.
In computer monitoring program, according to the rotating speed step that is previously set, two set test bearings are carried out performance and resistance to
For a long time property test, whole process of the test is tested the main interface of monitoring programme show in real time test speed, radial load, axial load,
The parameters such as bearing outer ring temperature, bear vibration, static current of lcd, test period, accumulative test period, and above-mentioned test parameters is protected
Exist in the data base of computer.Such as there are abnormal conditions in process of the test, computer monitoring program send alarm and stop
Machine.Shut down after off-test and split out two set test bearings, bearing outward appearance, bearing accuracy and play are detected, will simultaneously
The data of above-mentioned parameter carry out computer disposal, finally make performance and the Durability Experiment Conclusion of test bearing.
The specific embodiment 2 of the bearing test device of the present invention, the present embodiment only exists with the difference of above-mentioned specific embodiment 1
In: the first heat dissipation channel is oil lubrication oil circulation passage, and bearing test device uses oil lubrication, and bearing test device is with lubrication
Oil cools down for Medium Oil.When using oil lubrication, as it is shown in fig. 7, arrange plunger 10 in left and right lining through hole to block left and right lining
Through hole is to reduce the gateway quantity of oil circuit, and plunger 10 is removable to be fixed in left and right lining through hole, simplifies oil circuit.Keep first
Heat dissipation channel is unimpeded, and now lubricating oil is circulated by the first heat dissipation channel, can arrange chiller pair in the fuel tank of lubricating oil
Circulating oil path cools down, and reaches the purpose of heat radiation.
In other embodiments of the bearing test device of the present invention, above-mentioned location lining can be cage construction；An above-mentioned left side,
Right lining can be arranged on location bush inside, and the outer peripheral face of left and right lining is threaded hole, is provided with by location lining
The counterbore corresponding with screwed hole, is fixed together location lining with left and right lining by screw；Above-mentioned through hole can be blind
Hole；The above-mentioned resistance mechanism constituted at pressure piece and flexible top casting die applies towards being perpendicular to load maintainer force loading screw rod
During the pressure in direction, the installation site of resistance mechanism is unrestricted, such as radial loaded mechanism flexibility top-pressure part can with radially
Loading end cover rim test main shaft is radially set up in parallel, and can be arranged on outside radial loaded set, it is also possible to be arranged on radial loaded
Set is internal；Above-mentioned radial loaded mechanism can use the structure identical with axially loaded mechanism；Above-mentioned radial loading device is permissible
Use the structure identical with above-mentioned axial loading device；Above-mentioned axial/radial loading spring can also be arranged on screw rod and loading
Between Tou, spring top platen is set in one end of screw rod, loading head arranges corresponding spring top pressing plate；Above-mentioned axially add
Carry the pressure transducer put can be arranged between loading spring and loading head, loading head arranges pressure transducer and fixes
Plate, now loading spring top wedge should be arranged between loading spring mounting seat and loading head, to facilitate the installation of attachment screw；
Above-mentioned flexible top casting die can be rubber screw, and now flexible top casting die and pressure piece are integral type structure；Above-mentioned location lining
Can not set, the most left and right lining is directly anchored on base；Radial loaded set louvre quantity meet can be formed scattered
It is arranged as required on the premise of heat passage, can be at least two；Above-mentioned location lining louvre can be with radial loaded machine
Structure perforation structure is identical, to facilitate the installation of radial loaded mechanism, it is possible to so that bearing test device can be applicable to two sets or
Overlapping radial loading device, location lining louvre is diametrically arranged, not with location, radial loaded mechanism perforation edge lining more
When needing oil lubrication, location lining louvre can also arrange at least two each positioning sleeve louvre and bore a hole with radial loaded mechanism
It is provided at circumferentially spaced along location lining；Above-mentioned radial loaded set louvre can be at least two.
Claims (7)
1. a bearing test device, including radial loaded mechanism and test head assembly, described test head assembly includes left and right
Lining and with radial loaded mechanism top press-fit radial loaded set, it is characterised in that: described radial loaded put be provided with to
Few two radial loaded set louvres radially loading set circumferentially.
Bearing test device the most according to claim 1, it is characterised in that: described test head assembly also include with left,
Right lining co-axially fixed location lining, described location lining is provided with the radial loaded for passing for radial loaded mechanism
Mechanism bores a hole and positions lining circumferentially spaced location lining louvre with radial loaded mechanism perforation edge.
Bearing test device the most according to claim 2, it is characterised in that: described location lining louvre is with described
The perforation of radial loaded mechanism is diametrically arranged along location lining.
4. according to the bearing test device described in claim 1 or 2 or 3, it is characterised in that: described left and right lining sets respectively
There is the through hole running through left and right end face.
Bearing test device the most according to claim 4, it is characterised in that: the left and right end face of described radial loaded set
Being provided with spline part, described spline part stretches in described through hole.
Bearing test device the most according to claim 5, it is characterised in that: described radial loaded put be provided with for
That accompanies examination bearing outer ring location fit accompanies examination bearing location end cap, and described accompanies examination bearing location end cap by location head bolts
Being fixed on radial loaded to put, described location head bolts stretches into the spline part described in the interior composition of described through hole.
Bearing test device the most according to claim 4, it is characterised in that: it is removable in described through hole that to be fixed with closure logical
The plunger in hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610786368.4A CN106226080A (en) | 2016-08-31 | 2016-08-31 | A kind of bearing test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610786368.4A CN106226080A (en) | 2016-08-31 | 2016-08-31 | A kind of bearing test device |
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| CN106226080A true CN106226080A (en) | 2016-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610786368.4A Pending CN106226080A (en) | 2016-08-31 | 2016-08-31 | A kind of bearing test device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107063595A (en) * | 2017-01-18 | 2017-08-18 | 北京工研精机股份有限公司 | A kind of accurate main shaft bidirectional static rigidity test loading device |
| CN109238702A (en) * | 2018-09-21 | 2019-01-18 | 上海大学 | A kind of grease lubrication formula high-speed rail bearing life-test rack test head |
| CN109269803A (en) * | 2018-10-10 | 2019-01-25 | 洛阳轴承研究所有限公司 | A kind of bearing test device |
| CN110514442A (en) * | 2019-09-04 | 2019-11-29 | 苏州新豪轴承股份有限公司 | Bearing test tooling and bearing tester |
| CN110895199A (en) * | 2019-11-21 | 2020-03-20 | 洛阳Lyc轴承有限公司 | Bearing light-load slipping test device |
| CN114252265A (en) * | 2022-01-25 | 2022-03-29 | 中国铁建重工集团股份有限公司 | Bearing working condition simulation test bed |
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| CN107063595A (en) * | 2017-01-18 | 2017-08-18 | 北京工研精机股份有限公司 | A kind of accurate main shaft bidirectional static rigidity test loading device |
| CN109238702A (en) * | 2018-09-21 | 2019-01-18 | 上海大学 | A kind of grease lubrication formula high-speed rail bearing life-test rack test head |
| CN109269803A (en) * | 2018-10-10 | 2019-01-25 | 洛阳轴承研究所有限公司 | A kind of bearing test device |
| CN109269803B (en) * | 2018-10-10 | 2021-01-22 | 洛阳轴承研究所有限公司 | Bearing test device |
| CN110514442A (en) * | 2019-09-04 | 2019-11-29 | 苏州新豪轴承股份有限公司 | Bearing test tooling and bearing tester |
| 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 |
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Effective date of registration: 20180511 Address after: 471000 No. 1 axis research road, Jianxi science and Technology Industrial Park, Luoyang, Henan Applicant after: Luoyang Bearing Research Institute Address before: 471039 Fenghua Road 6, hi tech Development Zone, Luoyang, Henan. Applicant before: Zhouyan Science and Technology Co., Ltd., Luoyang |
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