CN107436239A - Grease lubricating bearing exerciser - Google Patents
Grease lubricating bearing exerciser Download PDFInfo
- Publication number
- CN107436239A CN107436239A CN201710814077.6A CN201710814077A CN107436239A CN 107436239 A CN107436239 A CN 107436239A CN 201710814077 A CN201710814077 A CN 201710814077A CN 107436239 A CN107436239 A CN 107436239A
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- Prior art keywords
- bearing
- measured
- rotary shaft
- axle bed
- grease
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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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of grease lubricating bearing exerciser, and to carry out testing experiment to multiple models difference or model identical bearing to be measured, bearing to be measured is at most six, and grease lubricating bearing exerciser includes：Bed body；Motor, it is fixed in bed body, to drive rotary shaft to rotate；Axle bed, all bearings to be measured are fixed in rotary shaft, rotary shaft is set to drive bearing to be measured to rotate；Temperature collecting cell, it is arranged on axle bed, to gather the temperature of each bearing to be measured；Load loading unit, is fixed in bed body, by axle bed on-load pressure, to bearing loaded load to be measured；Rotating speed collecting unit, is arranged on motor, to gather the rotating speed of rotary shaft；Injection unit is lubricated, is arranged on axle bed, to inject lubricating grease to bearing to be measured.The present invention can support the duty parameters such as the load to four type bearings, temperature, rotating speed, lubrication to be acquired, and the maximal work performance and service life of bearing are verified.
Description
Technical field
The invention belongs to mechanical field, more particularly to a kind of grease lubricating bearing exerciser.
Background technology
Civilian lubricating grease bearing test equipment domestic at present has had development, but still is not very ripe, low-speed heave-load examination
The machine test capability of testing is still blank, far can not meet the mission requirements and technical indicator of the examination of aero dynamo bearing performance,
It is difficult to obtain bearing limiting performance parameter and basic test data, the Performance Assessment to existing bearing can not be realized, improve and consolidate
Change etc..
The content of the invention
The invention aims to provide one kind while to test multiple bearings to obtain bearing limiting performance
The grease lubricating bearing exerciser of parameter and test data.
A kind of grease lubricating bearing exerciser of the present invention, to enter to multiple models difference or model identical bearing to be measured
Row testing experiment, the bearing to be measured are at most six, and the grease lubricating bearing exerciser includes：
Bed body；
Motor, it is fixed in the bed body, to drive rotary shaft to rotate；
Axle bed, all bearings to be measured are fixed in the rotary shaft, make described in the rotary shaft drive
Bearing to be measured rotates；
Temperature collecting cell, it is arranged on the axle bed, to gather the temperature of each bearing to be measured；
Load loading unit, it is fixed in the bed body, by axle bed on-load pressure, being carried to the bearing loading to be measured
Lotus；
Rotating speed collecting unit, it is arranged on the motor, to gather the rotating speed of the rotary shaft；
Injection unit is lubricated, is arranged on the axle bed, to inject lubricating grease to the bearing to be measured.
Preferably, the rotary shaft includes multiple test sections, the corresponding bearing to be measured of each test section, adjacent survey
Connected between examination section by shaft coupling, the diameter of test section matches with the internal diameter of the corresponding bearing to be measured.
Preferably, the axle bed and rotary shaft composition bridge architecture, when the axle bed includes four bearing blocks, institute
The size and the size of the bearing to be measured for stating bearing block match, and the first bearing seat and fourth bearing seat at both ends pass through institute
State support to be fixed in the bed body, middle second bearing seat and 3rd bearing seat are suspended in the bed body, to by institute
State bearing to be measured to be fixed in the rotary shaft, the second bearing seat and the integral synthesis axle of the 3rd bearing seat group
Bearing.
Preferably, each bearing block includes upper axle bed and lower axle bed, the temperature collecting cell are arranged at axle
On seat.
Preferably, the load loading unit includes support frame and servo loading cylinder, and support frame as described above includes flat board and four
Individual pillar, the flat board are fixed on the upper plane of the bed body, all equal positions of bearing to be measured by four pillars
In the lower section of the flat board, the servo loading cylinder can move on the flat board, the loading head loading of the servo loading cylinder
Onto the synthesising bearing seat, load cylinder upper end oil pipe is connected with servo loading cylinder.
Preferably, the load loading unit also includes a vibrating sensor, is adsorbed on the axle bed, to gather
State the vibration signal of bearing to be measured.
Preferably, the lubrication injection unit includes six oiling roads, and every oiling road includes a pump nozzle and an oil
Road, lubricating grease inject oil circuit to inject lubricating grease to the bearing to be measured by pump nozzle；
The both sides of the first bearing seat are respectively arranged with an oiling road；
The both sides of the fourth bearing seat are respectively arranged with an oiling road；
The both sides of the synthesising bearing seat are respectively arranged with an oiling road, the corresponding bearing block in each oiling road.
Preferably, the temperature collecting cell uses PT100 platinum-resistance thermocouples.
Above-mentioned technical characteristic can in any suitable manner be combined or substituted by equivalent technical characteristic, as long as can reach
To the purpose of the present invention.
The beneficial effects of the present invention are the present invention can be tested low-speed heave-load species grease lubricating bearing, and is supported
The data such as the duty parameter setting and feedback temperature, rotating speed, vibrations of load, rotating speed to four type bearings are acquired, with
And the maximal work performance and service life of bearing are verified, so as to improve the design level of bearing and quality, shorten axle
Hold product development cycle, mature technology service system, in order to be provided with the technical support of power for the bearing development of different model.
Brief description of the drawings
Fig. 1 is a kind of structural representation of embodiment of grease lubricating bearing exerciser of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained on the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, but not as limiting to the invention.
As shown in figure 1, a kind of grease lubricating bearing exerciser, to multiple models difference or model identical bearing to be measured
Testing experiment is carried out, bearing to be measured is at most six, and grease lubricating bearing exerciser includes：
Bed body 13；
Motor 5, it is fixed in bed body 13, to drive rotary shaft 6 to rotate；
Axle bed, all bearings to be measured are fixed in rotary shaft 6, rotary shaft 6 is set to drive bearing to be measured to rotate；
Temperature collecting cell, it is arranged on axle bed, to gather the temperature of each bearing to be measured；
Load loading unit, it is fixed in bed body 13, by axle bed on-load pressure, to bearing loaded load to be measured；
Rotating speed collecting unit, it is arranged on motor 5, to gather the rotating speed of rotary shaft 6；
Injection unit is lubricated, is arranged on axle bed, to inject lubricating grease to bearing to be measured.
Further, grease lubricating bearing exerciser can test the bearing to be measured (1,2,3,4) of four different models simultaneously.Root
The bearing rotating speed that four different models are required according to operating condition of test is multistage same rotating speed, and four are driven by a rotary shaft 6
Bearing is tested simultaneously, and to realize the unification of rotating speed, therefore rotary shaft 6 may include multiple test sections, lead between adjacent test section
Cross shaft coupling connection, the corresponding bearing to be measured of each test section, the internal diameter phase of the diameter of test section and corresponding bearing to be measured
Match somebody with somebody.
In the present embodiment, grease lubricating bearing exerciser can support the load to four type bearings, speed conditions parameter
It is controlled and feeds back load, rotating speed, temperature, the data such as vibrations is acquired, and maximal work performance and fortune to bearing
The row life-span is verified, so as to improve the design level of bearing and quality, shortens the bearing products lead time, mature technology service
System, in order to be provided with the technical support of power for the bearing development of different model.
In a preferred embodiment, illustrated so that axle bed includes four bearing blocks as an example, axle bed forms bridge with rotary shaft 6
Formula structure, axle bed include four bearing blocks, and the size of bearing block and the size of bearing to be measured match, the first bearing seat at both ends
14 and fourth bearing seat 16 be fixed on by support 12 in bed body 13, first bearing seat 14 is the first bearing 1 to be measured to be consolidated
Due on the default testing experiment position of rotary shaft 6；Fourth bearing seat 16 by the 4th bearing 4 to be measured being fixed on rotary shaft 6
Default testing experiment position on；Middle second bearing seat and 3rd bearing seat is suspended in bed body 13, to by axle to be measured
Hold and be fixed in rotary shaft 6, second bearing seat and the integral synthesising bearing seat 15 of 3rd bearing seat group, synthesising bearing seat 15
The second 2 and the 3rd bearing 3 to be measured of bearing to be measured is fixed on the default testing experiment position of rotary shaft 6.
In the present embodiment, axle bed forms bridge architecture with rotary shaft 6, and both ends are supported by support 12, functional, dress
Tear open conveniently, its structure is as shown in Figure 1.
When axle bed includes six bearing blocks, the first bearing seat 14 and fourth bearing seat 16 at axle bed both ends are using synthesis
Bearing block.
In a preferred embodiment, each bearing block includes upper axle bed and lower axle bed, temperature collecting cell are arranged at
On axle bed, each bearing block matches a temperature collecting cell.
Further, temperature collecting cell uses PT100 platinum-resistance thermocouples, and collection subject bearing temperature simultaneously passes to calculating
Machine, changed by A/D, shown on control panel window.
In the present embodiment, thermometer hole is offered on the upper axle bed of bearing block, PT100 platinum-resistance thermocouples pass through thermometer hole
In insertion inside axle bed, the measurement of outer ring temperature is realized on the head contact bearing outer ring surface to be measured of PT100 platinum-resistance thermocouples,
And the signal of collection is passed into computer monitoring system, realize collection, monitoring to bearing outer ring temperature to be measured.
In a preferred embodiment, load loading unit includes support frame and servo loading cylinder 7, and support frame includes flat board 10
With four pillars 11, flat board 10 is fixed on the upper plane of bed body 13 by four pillars 11, and all bearings to be measured are respectively positioned on flat
The lower section of plate 10, servo loading cylinder 7 can move on flat board 10 and (be installed to diverse location according to test requirements document), servo loading cylinder
7 loading head is loaded on synthesising bearing seat 15, and load cylinder upper end oil pipe is connected with servo loading cylinder.
Further, load loading unit also includes a vibrating sensor, is adsorbed on axle bed, to gather bearing to be measured
Vibration signal.
In the present embodiment, the radial load of bearing to be measured is produced by the hydraulic cylinder of servomotor, passes through pressure sensor
It is delivered on radial loaded cylinder, then is applied to by radial loaded cylinder by bearing block on bearing to be measured；Weighing sensor will gather
Signal, pass to computer control system and monitoring system, realize the monitoring and control to load.
So that bearing to be measured is the different bearing of four types as an example, require that four kinds of bearings need to be added with difference according to operating condition of test
Load, radial loaded need to be carried out in position, the position relative to flat board 10 of servo loading cylinder 7 need to be according to lever principle
And active force and reaction force principle are calculated, to realize the radial loaded of bearing.
In a preferred embodiment, lubrication injection unit includes six oiling roads, and every oiling road includes a pump nozzle 9
With an oil circuit 8, lubricating grease injects oil circuit 8 to inject lubricating grease to bearing to be measured by pump nozzle 9；
The both sides of first bearing seat 14 are respectively arranged with an oiling road；
The both sides of fourth bearing seat 16 are respectively arranged with an oiling road；
The both sides of synthesising bearing seat 15 are respectively arranged with an oiling road, the corresponding bearing block in each oiling road, second bearing
An oiling road is respectively offered on seat and 3rd bearing seat.
In the present embodiment, lubricating grease injects code designation and the lubrication of ormal weight by the pump nozzle 9 on bearing (ball) cover
Fat.
The electrical system of grease lubricating bearing exerciser is by heavy-current control system, data testing system and Control System of Microcomputer group
Into.Strong power system includes AC variable-frequency speed regulation system and hydraulic loaded control system.AC variable-frequency speed regulation system is by intelligent
Frequency converter and motor composition.Frequency converter selected by the system uses Control Technique of Microcomputer, can switch inverter IGBT tools at a high speed
There are multinomial automatic protection functions, can test oneself electric current, voltage and frequency, in addition to the available drive manner of setting manually, can also pass through RS-
485 serial communications and computer communication, it is controlled by computer export signal.Hydraulic loading system uses electro-hydraulic loading
Mode, it is automatically controlled by a computer loading.Test Data Acquisition System and acquisition interface design.Data acquisition interface can input 5
Notch speed degree and load, interface Real-time Feedback load, rotating speed, four type bearing temperatures, vibration acceleration numerical value.
With the model of four kinds of bearings：6215MC4P5YB1, NU216MC4P5YB1,6311C4P5YB1 and
Exemplified by NU214MC4P5YB1 carries out bearing life experiment, to confirm to design major parameter, it can be entered using grease lubricating bearing exerciser
Row long duration test in 10000 hours, dish axle inspection often is carried out to bearing by 300 hours, confirm bearing state, and optionally fill
Lubricating grease.Practical proof exerciser realizes low-speed heave-load grease lubricating bearing test requirements document.
Although the present invention is described herein with reference to specific embodiment, it should be understood that, these realities
Apply the example that example is only principles and applications.It should therefore be understood that exemplary embodiment can be carried out
Many modifications, and other arrangements are can be designed that, the spirit of the invention limited without departing from appended claims
And scope.It should be understood that different appurtenances can be combined by way of different from described by original claim
Profit requires and feature specifically described herein.It will also be appreciated that the feature with reference to described by separate embodiments can use
In other described embodiments.
Claims (8)
1. a kind of grease lubricating bearing exerciser, it is characterised in that to multiple models difference or model identical bearing to be measured
Testing experiment is carried out, the bearing to be measured is at most six, and the grease lubricating bearing exerciser includes：
Bed body (13)；
Motor (5), it is fixed in the bed body (13), to drive rotary shaft (6) to rotate；
Axle bed, all bearings to be measured are fixed in the rotary shaft (6), the rotary shaft (6) is set to drive institute
Bearing to be measured is stated to rotate；
Temperature collecting cell, it is arranged on the axle bed, to gather the temperature of each bearing to be measured；
Load loading unit, it is fixed in the bed body (13), by axle bed on-load pressure, being carried to the bearing loading to be measured
Lotus；
Rotating speed collecting unit, it is arranged on the motor (5), to gather the rotating speed of the rotary shaft (6)；
Injection unit is lubricated, is arranged on the axle bed, to inject lubricating grease to the bearing to be measured.
2. grease lubricating bearing exerciser according to claim 1, it is characterised in that the rotary shaft (6) includes multiple surveys
Section is tried, is connected between adjacent test section by shaft coupling, the corresponding bearing to be measured of each test section, the diameter of test section
Match with the internal diameter of the corresponding bearing to be measured.
3. grease lubricating bearing exerciser according to claim 1, it is characterised in that the axle bed and the rotary shaft (6)
Bridge architecture is formed, when the axle bed includes four bearing blocks, the size of the bearing block and the size of the bearing to be measured
Match, the first bearing seat (14) and fourth bearing seat (16) at both ends are fixed on the bed body (13) by support (12)
On, middle second bearing seat and 3rd bearing seat are suspended in the bed body (13), the bearing to be measured to be fixed on
On the rotary shaft (6), the second bearing seat and the integral synthesising bearing seat (15) of the 3rd bearing seat group.
4. grease lubricating bearing exerciser according to claim 3, it is characterised in that each bearing block includes upper axle
Seat and lower axle bed, the temperature collecting cell are arranged on axle bed.
5. grease lubricating bearing exerciser according to claim 3, it is characterised in that the load loading unit includes support
Frame and servo loading cylinder (7), support frame as described above include flat board (10) and four pillars (11), and the flat board (10) passes through described four
Individual pillar (11) is fixed on the upper plane of the bed body (13), and all bearings to be measured are respectively positioned under the flat board (10)
Side, the servo loading cylinder (7) can move on the flat board (10), and the loading head of the servo loading cylinder (7) is loaded into institute
State on synthesising bearing seat (15), load cylinder upper end oil pipe is connected with servo loading cylinder (7).
6. grease lubricating bearing exerciser according to claim 1, it is characterised in that the load loading unit also includes one
Vibrating sensor, it is adsorbed on the axle bed, to gather the vibration signal of the bearing to be measured.
7. grease lubricating bearing exerciser according to claim 3, it is characterised in that the lubrication injection unit includes six
Oiling road, every oiling road include a pump nozzle (9) and an oil circuit (8), and lubricating grease injects oil circuit (8) by pump nozzle (9)
To inject lubricating grease to the bearing to be measured；
The both sides of the first bearing seat (14) are respectively arranged with an oiling road；
The both sides of the fourth bearing seat (16) are respectively arranged with an oiling road；
The both sides of the synthesising bearing seat (15) are respectively arranged with an oiling road, the corresponding bearing block in each oiling road.
8. grease lubricating bearing exerciser according to claim 1, it is characterised in that the temperature collecting cell uses
PT100 platinum-resistance thermocouples.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710814077.6A CN107436239A (en) | 2017-09-11 | 2017-09-11 | Grease lubricating bearing exerciser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710814077.6A CN107436239A (en) | 2017-09-11 | 2017-09-11 | Grease lubricating bearing exerciser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107436239A true CN107436239A (en) | 2017-12-05 |
Family
ID=60461949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710814077.6A Pending CN107436239A (en) | 2017-09-11 | 2017-09-11 | Grease lubricating bearing exerciser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107436239A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110954327A (en) * | 2019-12-27 | 2020-04-03 | 广东石油化工学院 | Grease lubrication rolling bearing life acceleration experiment device based on switched reluctance motor |
| CN113390639A (en) * | 2021-07-02 | 2021-09-14 | 苏州轴承厂股份有限公司 | Tool and method for detecting rated static load of radial rolling bearing |
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| CN101339094A (en) * | 2008-09-01 | 2009-01-07 | 洛阳工铭机电设备有限公司 | Helicopter automatic tilting device large-sized thin-wall bearing intelligent checking analytical method and device |
| CN202267602U (en) * | 2011-09-08 | 2012-06-06 | 天津开发区双利工贸有限公司 | Axial-radial bearing loading running-in machine |
| CN102564764A (en) * | 2011-12-31 | 2012-07-11 | 洛阳工铭机电设备有限公司 | Aircraft engine spindle bearing testing machine |
| CN102607846A (en) * | 2012-03-08 | 2012-07-25 | 江苏大学 | Comprehensive test stand for water-lubricated bearings for pumps |
| CN106092576A (en) * | 2016-06-20 | 2016-11-09 | 苏州东菱科技有限公司 | Multifunction bearing pilot system |
-
2017
- 2017-09-11 CN CN201710814077.6A patent/CN107436239A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101339094A (en) * | 2008-09-01 | 2009-01-07 | 洛阳工铭机电设备有限公司 | Helicopter automatic tilting device large-sized thin-wall bearing intelligent checking analytical method and device |
| CN202267602U (en) * | 2011-09-08 | 2012-06-06 | 天津开发区双利工贸有限公司 | Axial-radial bearing loading running-in machine |
| CN102564764A (en) * | 2011-12-31 | 2012-07-11 | 洛阳工铭机电设备有限公司 | Aircraft engine spindle bearing testing machine |
| CN102607846A (en) * | 2012-03-08 | 2012-07-25 | 江苏大学 | Comprehensive test stand for water-lubricated bearings for pumps |
| CN106092576A (en) * | 2016-06-20 | 2016-11-09 | 苏州东菱科技有限公司 | Multifunction bearing pilot system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110954327A (en) * | 2019-12-27 | 2020-04-03 | 广东石油化工学院 | Grease lubrication rolling bearing life acceleration experiment device based on switched reluctance motor |
| CN113390639A (en) * | 2021-07-02 | 2021-09-14 | 苏州轴承厂股份有限公司 | Tool and method for detecting rated static load of radial rolling bearing |
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Application publication date: 20171205 |
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