CN110207986A - A kind of experimental rig detecting bearing life - Google Patents
A kind of experimental rig detecting bearing life Download PDFInfo
- Publication number
- CN110207986A CN110207986A CN201910635479.9A CN201910635479A CN110207986A CN 110207986 A CN110207986 A CN 110207986A CN 201910635479 A CN201910635479 A CN 201910635479A CN 110207986 A CN110207986 A CN 110207986A
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- Prior art keywords
- bearing
- measured
- experimental rig
- axle sleeve
- bracket component
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- 238000001514 detection method Methods 0.000 claims abstract description 12
- 230000002093 peripheral effect Effects 0.000 claims abstract description 7
- 238000003825 pressing Methods 0.000 claims description 27
- 229920001971 elastomer Polymers 0.000 claims description 16
- 239000000806 elastomer Substances 0.000 claims description 15
- 238000012360 testing method Methods 0.000 abstract description 14
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009658 destructive testing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of experimental rigs for detecting bearing life, including bracket component, the fixed frame for fixing bearing to be measured is provided on bracket component, the hunting gear matched with bearing to be measured, stressed pressurizing device is applied to hunting gear, the pressure sensor being set between pressurizing device and hunting gear, hunting gear includes the axle sleeve being connected with pressure sensor, the bearing assembly being set to outside axle sleeve, and the end cap and bearing block of axial limiting are carried out to bearing assembly, axle sleeve is slidably connected with bracket component, bearing block is connected with the driving device for driving it to axially rotate；When detection, the lower end surface of bearing block and the outer peripheral surface of bearing to be measured are inconsistent, and bearing to be measured is rotated together in company with bearing block.The experimental rig of detection bearing life of the invention, is not only simple in structure, and easy to operate, reduces experimentation cost, improve test efficiency.
Description
Technical field
The present invention relates to Bearing testing technical field more particularly to a kind of experimental rigs for detecting bearing life.
Background technique
In the prior art, bearing is important spare part indispensable in engineering goods.Bearing as critical component, if
It damages in use, often will cause very serious consequence, it is therefore desirable to determine according to the service life of bearing
Maintenance cycle.In the prior art, in order to which the service life for assessing product middle (center) bearing is often enterprising mounted in product by bearing
Row destructive testing, this way can accurately test out the service life of bearing, but at high cost, and the period is long, and operation is multiple
It is miscellaneous.Therefore, it is necessary to research and develop a kind of simple structure, convenient test, the lower-cost experimental rig for detecting bearing life.
Summary of the invention
For overcome the deficiencies in the prior art, the purpose of the present invention is to provide a kind of test dresses for detecting bearing life
It sets, is not only simple in structure, and is easy to operate, reduce experimentation cost, improve test efficiency.
The present invention adopts the following technical scheme that realization:
A kind of experimental rig detecting bearing life, including bracket component are provided on bracket component to be measured for fixing
The fixed frame of bearing, the hunting gear matched with bearing to be measured, hunting gear is applied stressed pressurizing device, be set to plus
Pressure sensor between pressure device and hunting gear, hunting gear include the axle sleeve being connected with pressure sensor, are set to
Bearing assembly outside axle sleeve and the end cap and bearing block to bearing assembly progress axial limiting, axle sleeve and bracket component are sliding
Dynamic connection, bearing block are connected with the driving device for driving it to axially rotate；When detection, the lower end surface of bearing block and bearing to be measured
Outer peripheral surface it is inconsistent, bearing to be measured is rotated together in company with bearing block.
Further, at least two are provided on fixed frame for fixing the fixed bit of bearing to be measured, fixed bit includes edge
It is horizontally arranged to carry out axial limiting in the fixing axle matched on fixed frame and with bearing to be measured and to bearing to be measured
Circlip.
Further, driving device include the driving motor being set on bracket component, the driving that is matched with bearing block
Axis and the shaft coupling for connecting driving motor and drive shaft.
Further, the lower end surface of bearing block is provided with axial interconnecting piece, and axial interconnecting piece is provided with spline, drive shaft
It is provided with the spline matched with spline.
Further, bearing assembly includes the first bearing and second bearing for being set to axle sleeve lower part, first bearing setting
In the top of second bearing, first bearing is deep groove ball bearing, and second bearing is thrust ball bearing.
Further, pressurizing device includes pressing plate set, the guiding axis being slidably connected with pressing plate set, is sheathed on outside guiding axis
Elastomer and for drive pressing plate set be oppositely oriented axis sliding force screw, force screw be set on bracket component,
Guiding axis is connected with pressure sensor.
Further, pressing plate set is provided with the first threaded hole matched with force screw, and bracket component is provided with and applies
The second threaded hole that power screw matches.
Further, one end of elastomer is connected with pressing plate set, and the other end of elastomer is connected with guiding axis, elasticity
Body is compressed spring.
Further, bracket component includes workbench, the leg assembly being set to below workbench and is set to work
Mounting assembly above platform, mounting assembly includes the hold-down support of two parallel intervals setting, from upper between two hold-down supports
Pressing plate and guide plate are disposed under, the second threaded hole is set on pressing plate.
Further, guide plate is provided with the pilot hole matched with axle sleeve, is connected by key between axle sleeve and guide plate,
Axle sleeve can be oppositely oriented hole and move along its axis.
Compared with prior art, the beneficial effects of the present invention are:
By being arranged on bracket component for fixing the fixed frame of bearing to be measured, the servo-actuated dress matched with bearing to be measured
It sets, apply the skill of stressed pressurizing device, the pressure sensor being set between pressurizing device and hunting gear to hunting gear
Art means allow through pressurizing device to hunting gear, and then apply pressure to bearing to be measured, pass through pressure sensor control
System force size, to realize the detection to bearing to be measured；By the way that the axle sleeve being connected with pressure sensor is arranged, is set to axle sleeve
External bearing assembly and end cap and bearing block to bearing assembly progress axial limiting, axle sleeve and bracket component sliding connect
It connecing, bearing block is connected with the technological means for driving its driving device axially rotated, so that when detection, the lower end surface of bearing block
Inconsistent with the outer peripheral surface of bearing to be measured, driving device drives bearing block axially to rotate along it, and then drives bearing companion to be measured
Bearing block rotates together, and to simulate bearing actual condition to be measured, is not only simple in structure, and easy to operate, reduce test at
This, improves test efficiency.
Detailed description of the invention
Fig. 1 is the perspective view of the experimental rig of the embodiment of the present invention；
Fig. 2 is the stereogram exploded view of the experimental rig of the embodiment of the present invention；
Fig. 3 is the main view of the experimental rig of the embodiment of the present invention；
Fig. 4 is that the experimental rig of the embodiment of the present invention hides the perspective view after bracket component；
Fig. 5 is that the experimental rig in Fig. 4 hides the main view after bracket component；
Fig. 6 is the cross-sectional view of AA section in Fig. 5.
In figure: 10, bracket component；11, workbench；12, leg assembly；13, mounting assembly；131, hold-down support；132,
Pressing plate；133, guide plate；20, fixed frame；21, fixing axle；30, hunting gear；31, axle sleeve；32, first bearing；33, the second axis
It holds；34, end cap；35, bearing block；351, axial interconnecting piece；352, spline；40, pressurizing device；41, pressing plate set；42, it is oriented to
Axis；43, elastomer；44, exert a force screw；50, pressure sensor；60, driving device；61, driving motor；62, shaft coupling；63,
Drive shaft；631, spline；70, bearing to be measured.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the present invention, it should be noted that not
Under the premise of conflicting, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
The experimental rig of detection bearing life as shown in figures 1 to 6, including bracket component 10 are provided on bracket component 10
Fixed frame 20, the hunting gear 30 matched with bearing 70 to be measured for fixing bearing 70 to be measured apply hunting gear 30
The pressurizing device 40 of pressure, the pressure sensor 50 being set between pressurizing device 40 and hunting gear 30, hunting gear 30 wrap
Include the axle sleeve 31 being connected with pressure sensor 50, the bearing assembly being set to outside axle sleeve 31 (not shown) and to bearing
Component carries out the end cap 34 and bearing block 35 of axial limiting, and axle sleeve 31 is slidably connected with bracket component 10, and bearing block 35 is connected with
The driving device 60 for driving it to axially rotate；When detection, the lower end surface of bearing block 35 and the outer peripheral surface of bearing 70 to be measured offset
Touching, bearing 70 to be measured are rotated together in company with bearing block 35.
By being arranged on bracket component 10 for fixing the fixed frame 20 of bearing 70 to be measured, being matched with bearing 70 to be measured
Hunting gear 30, stressed pressurizing device 40 is applied to hunting gear 30, be set to pressurizing device 40 and hunting gear 30 it
Between pressure sensor 50 technological means, allow through pressurizing device 40 to hunting gear 30, and then to bearing to be measured
70 apply pressure, force size are controlled by pressure sensor 50, to realize the detection to bearing 70 to be measured；Pass through setting and pressure
Axle sleeve 31 that force snesor 50 is connected, the bearing assembly being set to outside axle sleeve 31 and axial limit is carried out to bearing assembly
The end cap 34 and bearing block 35 of position, axle sleeve 31 are slidably connected with bracket component 10, and bearing block 35 is connected with driving, and it turns along axial
The technological means of dynamic driving device 60, so that the lower end surface of bearing block 35 and the outer peripheral surface of bearing 70 to be measured offset when detection
Touching, 60 drive shaft 63 of driving device is held seat 35 and is axially rotated along it, and then bearing 70 to be measured is driven to turn together in company with bearing block 35
It is dynamic, to simulate 70 actual condition of bearing to be measured, it is not only simple in structure, and easy to operate, reduces experimentation cost, improve examination
Test efficiency.
As preferred embodiment, at least two are provided on fixed frame 20 for fixing the fixed bit of bearing 70 to be measured
(not shown), fixed bit include it is horizontally disposed in the fixing axle 21 matched on fixed frame 20 and with bearing 70 to be measured,
And the circlip (not shown) of axial limiting is carried out to bearing 70 to be measured.Preferably, there are four solid for setting on fixed frame 20
Positioning, can detect four bearings 70 to be measured simultaneously, to exclude contingency, so that test structure is more acurrate, improve test
Efficiency.In other embodiments, fixed bit is the mounting hole being set on fixed frame 20, and Cam Follower is installed on mounting hole
It is interior, to be detected to Cam Follower.
As preferred embodiment, driving device 60 includes driving motor 61 and the axis being set on bracket component 10
Hold the drive shaft 63 and the shaft coupling 62 for connecting driving motor 61 and drive shaft 63 that seat 35 matches.The lower end of bearing block 35
Face is provided with axial interconnecting piece 351, and axial interconnecting piece 351 is provided with spline 352, and drive shaft 63 is provided with and spline 352
The spline 631 matched.Spline 631 is matched with spline 352, so that bearing block 35 and the dismounting of drive shaft 63 are more square
Just, the spline 352 of bearing block 35 is directly plugged on the spline 631 of drive shaft 63, and driving motor 61 passes through 62 band of shaft coupling
Dynamic drive shaft 63 rotates, and then bearing block 35 is driven to rotate.Preferably, driving motor 61 is (not shown) fixed by connecting flange
On bracket component 10, driving motor 61 plays the role of providing rotary force for entire experimental rig.
As preferred embodiment, bearing assembly includes the first bearing 32 and second bearing for being set to 31 lower part of axle sleeve
33, first bearing 32 is set to the top of second bearing 33, and first bearing 32 is deep groove ball bearing, and second bearing 33 is thrust ball
Bearing.Thrust ball bearing can carry pressure and the counteractive support force of force application object, deep groove ball bearing to radially wobble into
Row limit ensure that the stability that hunting gear 30 operates.
As preferred embodiment, pressurizing device 40 includes pressing plate set 41, covers 41 guiding axis being slidably connected with pressing plate
42, the elastomer 43 that is sheathed on outside guiding axis 42 and for driving pressing plate set 41 to be oppositely oriented the force spiral shells of the sliding of axis 42
Nail 44, force screw 44 are set on bracket component 10, and guiding axis 42 is connected with pressure sensor 50.Pass through the screw 44 that exerts a force
Driving pressing plate set 41 is oppositely oriented the sliding of axis 42, and applies pressure to guiding axis 42 by elastomer 43, and then pass by pressure
Pressure is transferred on hunting gear 30 and bearing to be measured 70 by sensor 50.Preferably, pressure sensor 50 carries display screen, can
Real-time display pressure value.
As preferred embodiment, pressing plate set 41, which is provided with the first threaded hole matched with force screw 44, (does not scheme
Show), bracket component 10 is provided with the second threaded hole (not shown) matched with force screw 44.The screw 44 that exerts a force passes through first
Threaded hole is fixedly connected with pressing plate set 41, is moved by the second threaded hole with respect to 10 downward spiral of bracket component to be downwardly applied to press
Power is not only simple in structure, and easy to operate.
As preferred embodiment, one end of elastomer 43 is connected with pressing plate set 41, the other end of elastomer 43 with
Guiding axis 42 is connected, and elastomer 43 is compressed spring.Preferably, elastomer 43 is compressed spring.Compressed spring can be born
Axial compressive force, when the screw 44 that exerts a force moves downward, driving pressing plate set 41 is moved downward with compresses elastomeric 43, and elastomer 43 drives
Action-oriented axis 42 moves down, and pressure is transferred to hunting gear 30 and bearing to be measured 70 by pressure sensor 50.
As preferred embodiment, bracket component 10 includes workbench 11, the supporting leg group for being set to 11 lower section of workbench
Part 12 and the mounting assembly 13 for being set to 11 top of workbench, mounting assembly 13 include the fixed branch of two parallel interval settings
Seat 131 is disposed with pressing plate 132 and guide plate 133, the setting of the second threaded hole between two hold-down supports 131 from top to bottom
In on pressing plate 132.Leg assembly 12 plays the role of the fixed entire experimental rig of support, and mounting assembly 13 plays fixed support and adds
The effect of pressure device 40.Preferably, driving device 60 is set on leg assembly 12, and pressing plate 132, guide plate 133 pass through screw
It is fixed on two hold-down supports 131, the middle part of workbench 11 is provided with the receiving hole (not shown) for accommodating bearing block 35.
As preferred embodiment, guide plate 133 is provided with the pilot hole (not shown) matched with axle sleeve 31, axle sleeve
It is connected by key between 31 and guide plate 133, axle sleeve 31 can be oppositely oriented hole and move along its axis.Preferably, 31 axis of axle sleeve
To being symmetrical arranged there are two key (not shown), key plays the role of limit to axle sleeve 31, prevents axle sleeve 31 from rotating.
As preferred embodiment, the lower end surface of bearing block 35 is provided with the flexible body of increasing friction force (not shown),
Such as rubber pad.The outer peripheral surface of the lower end surface of bearing block 35 and bearing 70 to be measured is driven by frictional force, flexible body
Setting, enabling when 35 contact measured bearing 70 of bearing block has sufficiently large frictional force, to drive the axis to be measured of bearing block 35
70 are held to rotate together.
The working principle of the experimental rig of the detection bearing life of the embodiment of the present invention: when test, pass through the screw 44 that exerts a force
It is downwardly applied to pressure, pressure value is shown by pressure sensor 50, and four axis to be measured are acted directly on by bearing block 35
Hold on 70, the force size of adjustment force screw 44 so that the radial load that is subject to of bearing to be measured 70 and it is practical in the product by
The radial load arrived is consistent.Bearing block 35 is connected by drive shaft 63, shaft coupling 62 with driving motor 61, and bearing block 35 is being applied
Additionally provide rotary force while adding to 70 pressure of bearing to be measured, by calculate can make bearing revolving speed and it is practical in the product
Revolving speed is identical, to simulate load and revolving speed in actual products, thus can continue to observe the race lotus state of bearing 70 to be measured,
The mileage number that bearing real-world operation just can be calculated according to the circle number that driving motor 61 operates, facilitates the accumulation of data.This
The experimental rig of the detection bearing life of invention, is not only simple in structure, easy to use, production cost is low, and can be arranged and apply
Add to load and the revolving speed of bearing 70 to be measured, while testing the service life of multiple bearings to be measured 70, improve test efficiency and
The accuracy of data.
The above embodiment is only the preferred embodiment of the present invention, and the scope of protection of the present invention is not limited thereto,
The variation and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed range.
Claims (10)
1. a kind of experimental rig for detecting bearing life, including bracket component, it is characterised in that: be provided on the bracket component
Fixed frame, the hunting gear matched with bearing to be measured for fixing bearing to be measured, the hunting gear is applied it is stressed
Pressurizing device, the pressure sensor being set between the pressurizing device and the hunting gear, the hunting gear include with
Axle sleeve that the pressure sensor is connected, the bearing assembly being set to outside the axle sleeve and to the bearing assembly into
The end cap and bearing block of row axial limiting, the axle sleeve are slidably connected with the bracket component, and the bearing block is connected with driving
Its driving device axially rotated；When detection, the lower end surface of the bearing block and the outer peripheral surface of bearing to be measured are inconsistent, to be measured
Bearing is rotated together in company with the bearing block.
2. experimental rig as described in claim 1, it is characterised in that: be provided at least two on the fixed frame for fixing
The fixed bit of bearing to be measured, the fixed bit include horizontally disposed matching on the fixed frame and with bearing to be measured
Fixing axle and to bearing to be measured carry out axial limiting circlip.
3. experimental rig as described in claim 1, it is characterised in that: the driving device includes being set to the bracket component
On driving motor, the drive shaft that matches with the bearing block and the connection for connecting the driving motor Yu the drive shaft
Axis device.
4. experimental rig as claimed in claim 3, it is characterised in that: the lower end surface of the bearing block is provided with axial connection
Portion, the axial direction interconnecting piece are provided with spline, and the drive shaft is provided with the spline matched with the spline.
5. experimental rig as described in claim 1, it is characterised in that: the bearing assembly includes being set to the axle sleeve lower part
First bearing and second bearing, the first bearing is set to the top of the second bearing, and the first bearing is zanjon
Ball bearing, the second bearing are thrust ball bearing.
6. experimental rig as described in claim 1, it is characterised in that: the pressurizing device includes pressing plate set and the pressing plate
Cover the guiding axis being slidably connected, the elastomer being sheathed on outside the guiding axis and for driving the pressing plate to cover opposite institute
The force screw of guiding axis sliding is stated, the force screw is set on the bracket component, the guiding axis and the pressure
Sensor is connected.
7. experimental rig as claimed in claim 6, it is characterised in that: the pressing plate set is provided with to match with the force screw
The first threaded hole closed, the bracket component are provided with the second threaded hole matched with the force screw.
8. experimental rig as claimed in claim 6, it is characterised in that: one end of the elastomer is connected with pressing plate set
It connects, the other end of the elastomer is connected with the guiding axis, and the elastomer is compressed spring.
9. experimental rig as claimed in claim 7, it is characterised in that: the bracket component include workbench, be set to it is described
Leg assembly below workbench and the mounting assembly being set to above the workbench, the mounting assembly include two flat
The hold-down support of row interval setting, is disposed with pressing plate and guide plate between two hold-down supports from top to bottom, described
Second threaded hole is set on the pressing plate.
10. experimental rig as claimed in claim 9, it is characterised in that: the guide plate is provided with to be matched with the axle sleeve
Pilot hole, be connected by key between the axle sleeve and the guide plate, the axle sleeve can the relatively described pilot hole along its axis
To movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910635479.9A CN110207986A (en) | 2019-07-15 | 2019-07-15 | A kind of experimental rig detecting bearing life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910635479.9A CN110207986A (en) | 2019-07-15 | 2019-07-15 | A kind of experimental rig detecting bearing life |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110207986A true CN110207986A (en) | 2019-09-06 |
Family
ID=67797449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910635479.9A Pending CN110207986A (en) | 2019-07-15 | 2019-07-15 | A kind of experimental rig detecting bearing life |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110207986A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111487059A (en) * | 2020-06-01 | 2020-08-04 | 中国第一汽车股份有限公司 | Thrust bearing durability test device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM401117U (en) * | 2010-09-17 | 2011-04-01 | Prec Machinery Res & Dev Ct | High-load bearing life testing device |
| FR3009379A1 (en) * | 2013-07-30 | 2015-02-06 | Snecma | FATIGUE TEST MACHINE |
| CN104807641A (en) * | 2015-05-19 | 2015-07-29 | 清华大学 | Self-force balancing thrust bearing test board |
| CN105823635A (en) * | 2016-05-17 | 2016-08-03 | 慈兴集团有限公司 | Bearing rotation torque test device |
| CN207689127U (en) * | 2017-11-21 | 2018-08-03 | 宁波环驰太平洋轴承有限公司 | A kind of life test machine of bearing |
| CN210014915U (en) * | 2019-07-15 | 2020-02-04 | 深圳盛世电梯有限公司 | Test device for detecting service life of bearing |
-
2019
- 2019-07-15 CN CN201910635479.9A patent/CN110207986A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM401117U (en) * | 2010-09-17 | 2011-04-01 | Prec Machinery Res & Dev Ct | High-load bearing life testing device |
| FR3009379A1 (en) * | 2013-07-30 | 2015-02-06 | Snecma | FATIGUE TEST MACHINE |
| CN104807641A (en) * | 2015-05-19 | 2015-07-29 | 清华大学 | Self-force balancing thrust bearing test board |
| CN105823635A (en) * | 2016-05-17 | 2016-08-03 | 慈兴集团有限公司 | Bearing rotation torque test device |
| CN207689127U (en) * | 2017-11-21 | 2018-08-03 | 宁波环驰太平洋轴承有限公司 | A kind of life test machine of bearing |
| CN210014915U (en) * | 2019-07-15 | 2020-02-04 | 深圳盛世电梯有限公司 | Test device for detecting service life of bearing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111487059A (en) * | 2020-06-01 | 2020-08-04 | 中国第一汽车股份有限公司 | Thrust bearing durability test device |
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