CN109470478A - The test method and equipment of the middle-size and small-size oscillation bearing of heavy load - Google Patents
The test method and equipment of the middle-size and small-size oscillation bearing of heavy load Download PDFInfo
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- CN109470478A CN109470478A CN201811285576.1A CN201811285576A CN109470478A CN 109470478 A CN109470478 A CN 109470478A CN 201811285576 A CN201811285576 A CN 201811285576A CN 109470478 A CN109470478 A CN 109470478A
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- 230000010355 oscillation Effects 0.000 title claims abstract description 36
- 238000010998 test method Methods 0.000 title claims abstract description 24
- 238000012360 testing method Methods 0.000 claims abstract description 95
- 238000005303 weighing Methods 0.000 claims abstract description 15
- 230000000737 periodic effect Effects 0.000 claims abstract description 4
- 230000003068 static effect Effects 0.000 claims abstract description 4
- 230000008878 coupling Effects 0.000 claims description 17
- 238000010168 coupling process Methods 0.000 claims description 17
- 238000005859 coupling reaction Methods 0.000 claims description 17
- 238000012544 monitoring process Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 238000011056 performance test Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 238000011160 research Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
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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
Test method disclosed by the invention for that can be tested the middle-size and small-size oscillation bearing of heavy load is to make test bearing periodic wobble by oscillating oil cylinder band dynamic test main shaft, load is applied to test bearing by using hydraulic-servo-load mode, dynamic and static test load are provided for test bearing, test bearing is set to be tested according to required load, whether the pressure for being used to detect hydraulic system application by weighing sensor is consistent with target set point, so that entire loading system forms closed-loop control.It is mainly used for the various various performance tests for newly grinding the middle-size and small-size oscillation bearing of heavy load, reach the correlation test requirement of the bearing installation proposed during bearing is developed, it solves the problems, such as how to realize big swing angle, high-frequency, heavy load, reaches the test requirements document of the middle-size and small-size oscillation bearing of heavy load.Not only the radial loaded test of the middle-size and small-size oscillation bearing of heavy load, but also high-frequency, the periodical correlation tests such as large-angle swinging dynamic test and durability test of achievable test bearing can have been realized.
Description
Technical field
The invention belongs to bearing test technical field, relate generally to it is a kind of for can to the middle-size and small-size oscillation bearing of heavy load into
The test method and equipment of row test.
Background technique
Currently, other than the load suffered by the general bearing, oscillation bearing is not when carrying out real-time speed test to bearing
As general bearing is that but have rule within the scope of certain angle in the same direction long time running or intermittent positive and negative rotation
The quick swing operating of rule.Traditional experiment requires the real-time revolving speed of record test bearing, can pass through speed probe or monitoring
Electric machine frequency, which is realized, to be read, and oscillation bearing does amplitude of oscillation movement under certain frequency, not only to realize the input of wobble frequency and pivot angle,
But also to realize the reading data of wobble frequency and pivot angle, due to motor cannot achieve high-frequency positive and negative rotation work, conventional method without
Method realizes reading data.How to do experiment to the middle-size and small-size oscillation bearing product of the heavy load newly developed, to verify the property of new product
The working condition requirement that whether can meet oscillation bearing proposes a problem.
Test is one of most reliable most popular method of scientific research, has provided reliably data branch for the research and development of new product
It holds, and the going on smoothly for test that be designed as of test method provides important leverage.The middle-size and small-size swinging axle of China's heavy load at present
The research for holding correlation test method field is also seldom, and the document and patent numbers for the related fields that can be found are very limited, but practical
We need test method as design studies to verify the performance of the middle-size and small-size oscillation bearing of heavy load in operating condition, so needing
Research and develop relevant bearing test methods.
Summary of the invention
Thus the purpose of the present invention generates, propose the test method that a kind of pair of middle-size and small-size oscillation bearing of heavy load is tested
And equipment.Reach the test requirements document of the middle-size and small-size oscillation bearing of heavy load
The present invention is to complete above-mentioned purpose using technical solution to be: the examination that a kind of pair of middle-size and small-size oscillation bearing of heavy load is tested
Proved recipe method is to make test bearing periodic wobble by oscillating oil cylinder band dynamic test main shaft, by using hydraulic-servo-load mode
Load is applied to test bearing, dynamic and static test load is provided for test bearing, enables test bearing according to required load
It is tested, whether the pressure for being used to detect hydraulic system application by weighing sensor is consistent with target set point, so that whole
A loading system forms closed-loop control.
Further, the hydraulic-servo-load mode is vertically to apply to bear to test bearing by load cylinder
Lotus.
Further, the hunting frequency, amplitude of fluctuation of the test bearing be monitored by angular encoder, driving torque
Pass through torque sensor real-time monitoring.
Further, the wobble frequency of the oscillating oil cylinder and pivot angle input are controlled by high-precision servo valve,
The equipment for realizing the above-mentioned test method for being tested the middle-size and small-size oscillation bearing of heavy load includes oscillating oil cylinder, angle
Spend encoder, shaft coupling I, torque sensor, shaft coupling II, spring bearing, weighing sensor, load cylinder, the swing oil
The output shaft of cylinder is connect by shaft coupling I with the input terminal of torque sensor, the output end of torque sensor passes through shaft coupling II
It is connect with test main shaft, test bearing is connected on the test main shaft, in being positioned vertically above for the test bearing
Load cylinder, the output shaft end and test bearing of the load cylinder connect, and weighing is connected on load cylinder output shaft
Sensor.
The oscillating oil cylinder controls large torque servo oscillating oil cylinder using high-precision servo valve, is fixed on oil cylinder branch
Frame.
The test main shaft is simple beam structure.
The test main shaft is supported by symmetrically arranged two sets of spring bearings.
Angular encoder is installed on the output shaft of oscillating oil cylinder.
The present invention passes through experimental examination, applies corresponding load and torque by the middle-size and small-size oscillation bearing of heavy load, can make
Test process can simulate actual condition as far as possible, obtain a series of test data, and for the design and manufacture of testpieces, provide can
The experimental data leaned on.
This test method can efficiently accomplish heavy load middle-size and small-size oscillation bearing test, solve how to realize big swing angle,
The problem of high-frequency, heavy load, can achieve the test requirements document of the middle-size and small-size oscillation bearing of heavy load using this test method.This examination
Proved recipe method is mainly used for the various various performance tests for newly grinding the middle-size and small-size oscillation bearing of heavy load, reaches bearing development and mentions in the process
The correlation test requirement of bearing installation out.The radial loaded test that the middle-size and small-size oscillation bearing of heavy load may be implemented, can be complete
At the high-frequency of test bearing, the periodical correlation tests such as large-angle swinging dynamic test and durability test.
The present invention has carried out 20Hz limit wobble frequency, ± 60 ° of limit pivot angles, 450kN limit according to test specification respectively
Load and loading spectrum cyclic test in 48 hours, and realize the record acquisition in real time of test data scene, testing machine function and precision
Test requirements document is reached.The it is proposed of the test method provides professional test platform for the middle-size and small-size oscillation bearing of heavy load, brush
The new high-frequency of the middle-size and small-size oscillation bearing of heavy load, heavy load, big swing angle test field record, have reached the expected mesh of test
Mark.
Detailed description of the invention
Fig. 1 is that the middle-size and small-size oscillation bearing of heavy load tests shafting structure schematic diagram.
In figure: 1, cylinder bracket, 2, oscillating oil cylinder, 3, angular encoder, 4, shaft coupling I, 5, torque sensor, 6, shaft coupling
Device II, 7, spring bearing, 8, test bearing, 9, weighing sensor, 10, load cylinder, 11, cylinder bracket.
Specific embodiment
The present invention is illustrated with reference to the drawings and specific embodiments:
The test method tested described in the present embodiment the middle-size and small-size oscillation bearing of heavy load is for swing angle: 3~
120°;Hunting frequency: 0.1~20HZ;Radial loaded range: what the bearing of 0~450KN was tested, it specifically takes such as lower section
Method is realized: servo oscillating oil cylinder output shaft is connected by shaft coupling with test main shaft, controls high-frequency using high-precision servo valve
Servo oscillating oil cylinder realizes wobble frequency and pivot angle input, realizes the periodic wobble of test bearing.During test, test bearing
Hunting frequency, amplitude of fluctuation are monitored by angular encoder, and driving torque can realize prison in real time by torque sensor
It surveys;Hydraulic-servo-load mode (being made of load cylinder, weighing sensor etc.) is used to provide dynamic and static state for test bearing
Test load enables test bearing to be tested according to required load, is used to detect hydraulic system by weighing sensor and applies
Pressure it is whether consistent with target set point so that entire loading system forms closed-loop control, to improve the precision of load.
The equipment for realizing the above-mentioned test method for being tested to the middle-size and small-size oscillation bearing of heavy load include cylinder bracket 1,
Oscillating oil cylinder 2, shaft coupling I 4, torque sensor 5, shaft coupling II 6, spring bearing 7, weighing sensor 9, adds angular encoder 3
It is as shown in Figure 1 to carry oil cylinder 10(), the oscillating oil cylinder 2 controls large torque servo oscillating oil cylinder using high-precision servo valve,
It is fixedly mounted on cylinder bracket 1, and the output shaft of the oscillating oil cylinder 2 passes through the input of shaft coupling I 4 and torque sensor 5
End connects, the output end of torque sensor 5 is connect by shaft coupling II 6 with test main shaft, and the test main shaft is simply supported beam knot
Structure, two sets of spring bearings 7 for being used to support test main shaft are symmetrically distributed in test main shaft both ends, in the output shaft of oscillating oil cylinder 2
On angular encoder 3 is installed, for the hunting frequency and amplitude of fluctuation range of monitoring test shafting, in the test main shaft
On be connected with test bearing 8, be positioned vertically above load cylinder 10 in the test bearing 8, load cylinder 10 is fixed on oil
On jar support 11, the output shaft end of the load cylinder 10 is connected by the centre bore and test bearing 8 of weighing sensor,
Weighing sensor 9 is connected on 10 output shaft of load cylinder.
When test, test bearing 8 is sleeved on test main shaft, oscillating oil cylinder 2 drives torque sensing by shaft coupling I 4
Device 5 connects the driving test main shaft of shaft coupling II 6 and carries out swing test, and load cylinder 10 vertically applies test bearing 8
Load;The load that load cylinder 10 applies first passes through weighing sensor 9 and entire loading system is made to form closed-loop control, for testing
It whether consistent with target set point demonstrate,proves the pressure that hydraulic system applies, to improve the precision of load, during test, tests axis
Hold 8 hunting frequency, amplitude of fluctuation is monitored by angular encoder 3, driving torque then passes through torque sensor 5 and realizes reality
When monitor.
Oscillating oil cylinder 2, angular encoder 3 described in the present embodiment, torque sensor 5, weighing sensor 9 and load cylinder
10 be well-known technique and conventional products.
Claims (9)
1. the test method that a kind of pair of middle-size and small-size oscillation bearing of heavy load is tested, it is characterised in that: pass through oscillating oil cylinder band
Dynamic test main shaft makes test bearing periodic wobble, applies load to test bearing by using hydraulic-servo-load mode, is
Test bearing provides dynamic and static test load, so that test bearing is tested according to required load, passes through weighing and sensing
Whether the pressure that device is used to detect hydraulic system application is consistent with target set point, so that entire loading system forms closed loop control
System.
2. the test method according to claim 1 tested the middle-size and small-size oscillation bearing of heavy load, it is characterised in that:
The hydraulic-servo-load mode is vertically to apply load to test bearing by load cylinder.
3. the test method according to claim 1 tested the middle-size and small-size oscillation bearing of heavy load, it is characterised in that:
Hunting frequency, the amplitude of fluctuation of the test bearing are monitored by angular encoder, driving torque passes through torque sensor
Real-time monitoring.
4. the test method according to claim 1 tested the middle-size and small-size oscillation bearing of heavy load, it is characterised in that:
Wobble frequency and the pivot angle input of the oscillating oil cylinder are controlled by high-precision servo valve.
5. a kind of realize setting for the test method described in claim 1 for being tested the middle-size and small-size oscillation bearing of heavy load
It is standby, it is characterised in that: including oscillating oil cylinder (2), shaft coupling I (4), torque sensor (5), shaft coupling II (6), weighing sensor
(9), load cylinder (10), the output shaft of the oscillating oil cylinder connect by shaft coupling I with the input terminal of torque sensor, torque
The output end of sensor is connect by shaft coupling II with test main shaft, is connected with test bearing on the test main shaft,
The test bearing has been positioned vertically above load cylinder, and the output shaft end and test bearing of the load cylinder connect,
Weighing sensor is connected on load cylinder output shaft.
6. the equipment of the test method according to claim 5 for being tested the middle-size and small-size oscillation bearing of heavy load,
It is characterized by: the oscillating oil cylinder (2) controls large torque servo oscillating oil cylinder using high-precision servo valve, it is fixed on
Cylinder bracket (1).
7. the equipment of the test method according to claim 5 for being tested the middle-size and small-size oscillation bearing of heavy load,
It is characterized by: the test main shaft is simple beam structure.
8. the equipment of the test method according to claim 5 for being tested the middle-size and small-size oscillation bearing of heavy load,
It is characterized by: the test main shaft is supported by symmetrically arranged two sets of spring bearings (7).
9. the equipment of the test method according to claim 5 for being tested the middle-size and small-size oscillation bearing of heavy load,
It is characterized by: being equipped with angular encoder (3) on the output shaft of the oscillating oil cylinder (2).
Priority Applications (1)
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CN201811285576.1A CN109470478A (en) | 2018-10-31 | 2018-10-31 | The test method and equipment of the middle-size and small-size oscillation bearing of heavy load |
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CN201811285576.1A CN109470478A (en) | 2018-10-31 | 2018-10-31 | The test method and equipment of the middle-size and small-size oscillation bearing of heavy load |
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CN109470478A true CN109470478A (en) | 2019-03-15 |
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CN201811285576.1A Pending CN109470478A (en) | 2018-10-31 | 2018-10-31 | The test method and equipment of the middle-size and small-size oscillation bearing of heavy load |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110118655A (en) * | 2019-05-16 | 2019-08-13 | 洛阳铭昊测控科技有限公司 | A kind of bearing performance test machine |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202119623U (en) * | 2011-06-13 | 2012-01-18 | 长春机械科学研究院有限公司 | Alternate load joint bearing life testing machine |
CN103323232A (en) * | 2013-05-10 | 2013-09-25 | 重庆科技学院 | Wind driven generator coupler slipping torque calibration test bed and calibration method |
CN104344955A (en) * | 2014-10-29 | 2015-02-11 | 西安航空制动科技有限公司 | Static load simulation test method of airplane wheel bearing |
CN105806619A (en) * | 2016-03-14 | 2016-07-27 | 兰州空间技术物理研究所 | Rolling ball bearing test device applicable to small angle swinging condition |
CN205981688U (en) * | 2016-08-08 | 2017-02-22 | 洛阳轴研科技股份有限公司 | Joint bearing life testing machine |
KR20170022164A (en) * | 2015-08-19 | 2017-03-02 | 제일베어링공업(주) | Tester for Ultra Low Temperature Bearing |
-
2018
- 2018-10-31 CN CN201811285576.1A patent/CN109470478A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202119623U (en) * | 2011-06-13 | 2012-01-18 | 长春机械科学研究院有限公司 | Alternate load joint bearing life testing machine |
CN103323232A (en) * | 2013-05-10 | 2013-09-25 | 重庆科技学院 | Wind driven generator coupler slipping torque calibration test bed and calibration method |
CN104344955A (en) * | 2014-10-29 | 2015-02-11 | 西安航空制动科技有限公司 | Static load simulation test method of airplane wheel bearing |
KR20170022164A (en) * | 2015-08-19 | 2017-03-02 | 제일베어링공업(주) | Tester for Ultra Low Temperature Bearing |
CN105806619A (en) * | 2016-03-14 | 2016-07-27 | 兰州空间技术物理研究所 | Rolling ball bearing test device applicable to small angle swinging condition |
CN205981688U (en) * | 2016-08-08 | 2017-02-22 | 洛阳轴研科技股份有限公司 | Joint bearing life testing machine |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110118655A (en) * | 2019-05-16 | 2019-08-13 | 洛阳铭昊测控科技有限公司 | A kind of bearing performance test machine |
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Country or region after: China Address after: 471039 No. 96, Jianxi, Luoyang District, Henan, Jianshe Road Applicant after: Luoyang Bearing Group Co.,Ltd. Address before: 471039 No. 96, Jianxi, Luoyang District, Henan, Jianshe Road Applicant before: LUOYANG LYC BEARING Co.,Ltd. Country or region before: China |
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