CN105865787A - Dynamic performance tester for high-speed precise bearings - Google Patents
Dynamic performance tester for high-speed precise bearings Download PDFInfo
- Publication number
- CN105865787A CN105865787A CN201610202296.4A CN201610202296A CN105865787A CN 105865787 A CN105865787 A CN 105865787A CN 201610202296 A CN201610202296 A CN 201610202296A CN 105865787 A CN105865787 A CN 105865787A
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- bearing
- tested
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- sensor
- pedestal
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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
-
- 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
- G01M13/045—Acoustic or vibration analysis
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- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention relates to a bearing testing machine, specifically to a dynamic performance tester for high-speed precise bearings. The dynamic performance tester comprises a pedestal, a driving electric main shaft, a rubber flexible pipe flexible coupling, a bearing to be tested, a slave bearing for the bearing to be tested, a rotating shaft, a temperature sensor, a vibration sensor, a speed transmitter, a loading cylinder and a ceramic heating pipe, wherein the rubber flexible pipe flexible coupling connects the rotating shaft with the driving electric main shaft to minimize the influence of the driving electric main shaft on the test result, the speed transmitter, the vibration sensor and the temperature sensor can test the real rotating speed, the outer ring vibration and the outer ring temperature of the bearing to be tested during an operation process on a real-time basis, the ceramic heating pipe heats a bearing chamber, and the loading cylinder realizes axial and radial loading on the bearing. The dynamic performance tester is reasonable in design and compact in structure, the test environment more approximates real working conditions, and the measurement results have higher referential value.
Description
Technical field
The present invention relates to a kind of bearing tester, specifically a kind of high-speed precision bearing dynamic performance and testing.
Background technology
Bearing is critical component indispensable in the fields such as all kinds of aviation, heavy industry and advanced manufacturing set, the quality of its performance directly influences the quality of whole equipment performance, affecting a lot of because have of bearing performance, the temperature rise of its middle (center) bearing and vibration are the principal elements affecting its performance and life-span.The method and apparatus of test bearing dynamic property has a variety of at present, but many employing common electric machines drive, being connected with rotating shaft by belt, the speed of service is relatively low, and measurement result is affected bigger by motor, with Weight gravity, bearing is loaded simultaneously, load maintainer is taken up room greatly, it is impossible to realize stepless loading, do not possess heating function, bearing actual operating mode can not be simulated truly, cause measurement result reference value low.Therefore design one can truly reflect bearing operating condition, and the testing machine can measured bearing dynamic performance parameter in real time, has important practical significance.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, a kind of high-speed precision bearing dynamic performance and testing is provided, it is intended to change existing device and cannot truly simulate bearing actual operating mode, change the shortcomings such as structure complexity, complex operation simultaneously, there is provided definite data for production firm, and then improve quality and the reliability of product.
Adopt the following technical scheme that for solving this problem present invention:
A kind of high-speed precision bearing dynamic performance and testing, including pedestal, ceramic heating pipe, accompanies examination bearing, tested bearing, first adds carrier gas cylinder, vibrating sensor, holddown spring, rotating shaft, temperature sensor, rubber hose flexible connection, drives electro spindle, sensor stand, second adds carrier gas cylinder, velocity sensor, loading set, bearing holder (housing, cover)；Described driving electro spindle is fixed on on the right side of pedestal, and described rotating shaft driving electro spindle output shaft is connected by described rubber hose flexible connection；Described accompany examination bearing and tested bearing be arranged in rotating shaft, described in accompany examination bearing on be cased with bearing holder (housing, cover)；Described first piston adding carrier gas cylinder promotes to load to overlap and moves, and load is applied on tested bearing outer ring, provides axial load for tested bearing, and load is applied on bearing holder (housing, cover) by the described second piston adding carrier gas cylinder, provides radial load for tested bearing；Described vibrating sensor is threadedly attached on the probe at pedestal top, preset holddown spring on probe, utilizes holddown spring pressure to be pressed on tested bearing outer ring by probe, effectively reduces the extraneous vibration that probe produces with hole wall collision；Described ceramic heating pipe is placed in base cavity, heats bearing cavity, makes the experimental condition of tested bearing more conform to actual condition, and described temperature sensor is arranged on the probe of pedestal side；Described velocity sensor is fixed on sensor stand, and described rubber hose flexible connection posts reflective sheeting, the probe of velocity sensor and spindle central level, it is achieved the accurate measurement of countershaft running speed.
The medicine have the advantages that compared with existing test device, the bearing dynamic parametric test apparatus structure that the present invention provides is simple, can realize bearing stepless loading axially and radially, bearing outer ring temperature and vibration accurately can be measured simultaneously, it is built-in with ceramic heating pipe, bearing cavity can be heated, more truly simulation bearing actual motion environment so that measurement result has more referential.
Accompanying drawing explanation
Fig. 1 is the partial sectional view of a kind of high-speed precision bearing dynamic performance and testing.
Fig. 2 is a kind of high-speed precision bearing dynamic performance and testing front view.
Fig. 3 is a kind of high-speed precision bearing dynamic performance and testing top view.
Detailed description of the invention
Below in conjunction with the accompanying drawings, it is embodied as being described in detail to the present invention.
See Fig. 1, Fig. 2 and Fig. 3, a kind of high-speed precision bearing dynamic performance and testing, including pedestal 1, ceramic heating pipe 2, accompanies examination bearing 3, tested bearing 4, first adds carrier gas cylinder 5, vibrating sensor 6, holddown spring 7, rotating shaft 8, temperature sensor 9, rubber hose flexible connection 10, drives electro spindle 11, sensor stand 12, second adds carrier gas cylinder 13, velocity sensor 14, loads set 15, bearing holder (housing, cover) 16；Described driving electro spindle 11 is fixed on on the right side of pedestal 1, and described rotating shaft 8 is connected by described rubber hose flexible connection 10 with driving electro spindle 11 output shaft；Described accompany examination bearing 3 and tested bearing 4 be arranged in rotating shaft 8, described in accompany examination bearing 3 on be cased with bearing holder (housing, cover) 16；Described first piston adding carrier gas cylinder 5 promotes loading set 15 to move, load is applied on tested bearing 4 outer ring, thering is provided axial load for tested bearing 4, described second adds the piston of carrier gas cylinder 13 is applied to load on bearing holder (housing, cover) 16, provides radial load for tested bearing 4；Described vibrating sensor 6 is threadedly attached on the probe at pedestal 1 top, preset holddown spring 7 on probe, utilizes holddown spring 7 pressure to be pressed on by probe on tested bearing 4 outer ring, effectively reduces the extraneous vibration that probe produces with hole wall collision；Described ceramic heating pipe 2 is placed in pedestal 1 cavity, heats bearing cavity, makes the experimental condition of tested bearing 4 more conform to actual condition, and described temperature sensor 9 is arranged on the probe of pedestal 1 side；Described velocity sensor 14 is fixed on sensor stand 12, and described rubber hose flexible connection 10 posts reflective sheeting, the probe of velocity sensor 14 and rotating shaft 8 central horizontal, it is achieved the accurate measurement of countershaft 8 running speed.Wherein temperature sensor 9, vibrating sensor 6 and velocity sensor 14 measure tested bearing 4 outer ring temperature, outer ring vibration and inner ring rotating speed respectively.
Claims (1)
1. a high-speed precision bearing dynamic performance and testing, it is characterized in that, including pedestal (1), ceramic heating pipe (2), accompany examination bearing (3), tested bearing (4), first add carrier gas cylinder (5), vibrating sensor (6), holddown spring (7), rotating shaft (8), temperature sensor (9), rubber hose flexible connection (10), drive electro spindle (11), sensor stand (12), second add carrier gas cylinder (13), velocity sensor (14), load set (15), bearing holder (housing, cover) (16)；Described driving electro spindle (11) is fixed on pedestal (1) right side, and described rotating shaft (8) is connected by described rubber hose flexible connection (10) with driving electro spindle (11) output shaft；Described accompany examination bearing (3) and tested bearing (4) to be arranged in rotating shaft (8), described in accompany and try to be cased with bearing holder (housing, cover) (16) on bearing (3)；Described first piston adding carrier gas cylinder (5) promotes loading set (15) mobile, load is applied on tested bearing (4) outer ring, axial load is provided for tested bearing (4), described second adds the piston of carrier gas cylinder (13) is applied to load on bearing holder (housing, cover) (16), provides radial load for tested bearing (4)；Described vibrating sensor (6) is threadedly attached on the probe at pedestal (1) top, preset holddown spring (7) on probe, utilize holddown spring (7) pressure to be pressed on by probe on tested bearing (4) outer ring, effectively reduce the extraneous vibration that probe produces with hole wall collision；Described ceramic heating pipe (2) is placed in pedestal (1) cavity, heats bearing cavity, makes the experimental condition of tested bearing (4) more conform to actual condition, and described temperature sensor (9) is arranged on the probe of pedestal (1) side；Described velocity sensor (14) is fixed on sensor stand (12), reflective sheeting is posted on described rubber hose flexible connection (10), the probe of velocity sensor (14) and rotating shaft (8) central horizontal, it is achieved the accurate measurement of countershaft (8) running speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610202296.4A CN105865787A (en) | 2016-04-02 | 2016-04-02 | Dynamic performance tester for high-speed precise bearings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610202296.4A CN105865787A (en) | 2016-04-02 | 2016-04-02 | Dynamic performance tester for high-speed precise bearings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105865787A true CN105865787A (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610202296.4A Pending CN105865787A (en) | 2016-04-02 | 2016-04-02 | Dynamic performance tester for high-speed precise bearings |
Country Status (1)
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| CN (1) | CN105865787A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482950A (en) * | 2016-12-26 | 2017-03-08 | 河南科技大学 | A kind of angular contact bearing birotor testing machine shafting structure |
| CN109827773A (en) * | 2018-12-25 | 2019-05-31 | 慈兴集团有限公司 | A kind of driving motor for electric automobile bearing testing device and test method |
| CN109975022A (en) * | 2019-03-26 | 2019-07-05 | 北京宇航推进科技有限公司 | Experimental rig and test method for the high DN value bearing fatigue life of ultralow temperature |
| CN110346140A (en) * | 2019-08-23 | 2019-10-18 | 河南科技大学 | A kind of bearing collision experiment method and device |
| CN112014104A (en) * | 2020-07-28 | 2020-12-01 | 人本股份有限公司 | Test tool for water pump shaft connecting bearing |
| CN113008557A (en) * | 2021-03-19 | 2021-06-22 | 人本股份有限公司 | Water pump shaft is bearing and is detected frock |
| CN113984263A (en) * | 2021-10-29 | 2022-01-28 | 绍兴淼汇能源科技有限公司 | Radial force and axial force detection device |
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| JP2010043700A (en) * | 2008-08-12 | 2010-02-25 | Tlv Co Ltd | Diagnosis device of temperature control trap |
| CN101718625A (en) * | 2009-12-03 | 2010-06-02 | 洛阳轴研科技股份有限公司 | High-temperature high-speed test method for sealed bearing |
| CN101865772A (en) * | 2010-06-03 | 2010-10-20 | 西安交通大学 | Test device for testing performance of compliant foil gas journal bearing |
| CN101975659A (en) * | 2010-08-27 | 2011-02-16 | 洛阳轴研科技股份有限公司 | High-speed dynamic simulation test method for electric mainshaft bearing |
| CN102135454A (en) * | 2010-12-10 | 2011-07-27 | 西安交通大学 | Device for measuring temperature signal and vibration signal of bearing |
| CN202720121U (en) * | 2012-06-02 | 2013-02-06 | 上海大学 | Precision miniature bearing dynamic performance testing device |
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2016
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2010043700A (en) * | 2008-08-12 | 2010-02-25 | Tlv Co Ltd | Diagnosis device of temperature control trap |
| CN101718625A (en) * | 2009-12-03 | 2010-06-02 | 洛阳轴研科技股份有限公司 | High-temperature high-speed test method for sealed bearing |
| CN101865772A (en) * | 2010-06-03 | 2010-10-20 | 西安交通大学 | Test device for testing performance of compliant foil gas journal bearing |
| CN101975659A (en) * | 2010-08-27 | 2011-02-16 | 洛阳轴研科技股份有限公司 | High-speed dynamic simulation test method for electric mainshaft bearing |
| CN102135454A (en) * | 2010-12-10 | 2011-07-27 | 西安交通大学 | Device for measuring temperature signal and vibration signal of bearing |
| CN202720121U (en) * | 2012-06-02 | 2013-02-06 | 上海大学 | Precision miniature bearing dynamic performance testing device |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482950A (en) * | 2016-12-26 | 2017-03-08 | 河南科技大学 | A kind of angular contact bearing birotor testing machine shafting structure |
| CN106482950B (en) * | 2016-12-26 | 2019-11-19 | 河南科技大学 | A kind of angular contact bearing birotor testing machine shafting structure |
| CN109827773A (en) * | 2018-12-25 | 2019-05-31 | 慈兴集团有限公司 | A kind of driving motor for electric automobile bearing testing device and test method |
| CN109975022A (en) * | 2019-03-26 | 2019-07-05 | 北京宇航推进科技有限公司 | Experimental rig and test method for the high DN value bearing fatigue life of ultralow temperature |
| CN109975022B (en) * | 2019-03-26 | 2024-04-16 | 北京宇航推进科技有限公司 | Test device and test method for fatigue life of ultralow-temperature high-DN-value bearing |
| CN110346140A (en) * | 2019-08-23 | 2019-10-18 | 河南科技大学 | A kind of bearing collision experiment method and device |
| CN110346140B (en) * | 2019-08-23 | 2020-11-20 | 河南科技大学 | Bearing collision experimental device |
| CN112014104A (en) * | 2020-07-28 | 2020-12-01 | 人本股份有限公司 | Test tool for water pump shaft connecting bearing |
| CN113008557A (en) * | 2021-03-19 | 2021-06-22 | 人本股份有限公司 | Water pump shaft is bearing and is detected frock |
| CN113984263A (en) * | 2021-10-29 | 2022-01-28 | 绍兴淼汇能源科技有限公司 | Radial force and axial force detection device |
| CN113984263B (en) * | 2021-10-29 | 2023-12-19 | 绍兴淼汇能源科技有限公司 | Radial force and axial force detection device |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160817 |
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| RJ01 | Rejection of invention patent application after publication |