CN202149847U - Large-scale bearing testing stand with static pressure loading enclosed structure - Google Patents
Large-scale bearing testing stand with static pressure loading enclosed structure Download PDFInfo
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- CN202149847U CN202149847U CN201120242886U CN201120242886U CN202149847U CN 202149847 U CN202149847 U CN 202149847U CN 201120242886 U CN201120242886 U CN 201120242886U CN 201120242886 U CN201120242886 U CN 201120242886U CN 202149847 U CN202149847 U CN 202149847U
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Abstract
The utility model belongs to the technical field of bearing test, and relates to a bearing testing stand. The bearing testing stand consists of an enclosed mechanical structure, a static pressure loading system, a driving system and a measurement and control system, wherein the enclosed mechanical structure consists of a test bearing, a testing stand end cover, interconnecting pieces, an upright column, a base and so on, and a loading disc, the test bearing, the end cover, the upright column and the base can form an inner enclosed structure; the static pressure loading system can realize static pressure loadings for a radial moment, an axial moment and an overturning moment through an axial loading seat and an oil cylinder and a radial loading seat and the oil cylinder, and the static pressure loading can be applied according to a test bearing loading spectrum; a motor fixed on the base in the driving system can drive the loading disc and the test bearing to rotate through a decelerator driving gear; and the measurement and control system comprises a sensor, a computer, a control cabinet, the sensor, an actuator, etc. The large-scale bearing testing stand of the utility model utilizes a floating static pressure loading technology, thus the influence to performance data of the test bearing caused by the testing stand bearing can be reduced, and the large-scale bearing testing stand also has the advantages of large rigidity, small volume and low cost.
Description
Technical field
The utility model belongs to the bearing test technical field, relates to a kind of large size bearing testing table.
Background technology
Bearing has important role in the development of the national economy; The bearing of diameter more than 1000mm has a wide range of applications in industries such as wind-power electricity generation, rolling stock, metallurgical mine, petroleum machinery, engineering machinery; Its performance and functional reliability will directly have influence on the Performance And Reliability of plant equipment; Especially the turntable bearing of pivoting support class bears very big upsetting moment, therefore requires bearing to have higher motion performance, long-life and high reliability.
Bearing test-bed is the key equipment that the Performance And Reliability to bearing detects; It can have a correct assessment to the performance of the bearing that will come into operation; In time grasp and revise design parameter; Analyze the potential cause of specific operation lower bearing defective, the blindness of avoiding bearing to select, use reduces unnecessary loss.Existing bearing test-bed adopts horizontal type structure more; Utilize paired rolling bearing that load mode is installed, the durability test of the bearing that makes an experiment and performance test, accuracy of detection is low; Especially can not detect the concrete performance of single bearing; Be difficult to satisfy to the pivoting support class bearing more and more stricter testing requirements, particularly wind power generating set driftage, become oar and main bearing, the hoisting device pivoting support class bearing of industries such as boats and ships, building, harbour.
The utility model content
In order to satisfy the turntable bearing testing requirements of pivoting support class, realize the performance test of big load of low speed and super large upsetting moment, improve the performance measurement precision, the utility model provides a kind of novel bearing testing table principle and structure.
The bearing test-bed of the utility model can adopt vertical structure or horizontal type structure to realize.Vertical structure is: the test bearing level is installed in the top, upper end or the bottom, lower end of bearing test-bed, and the axis of test bearing is a vertical; Horizontal type structure is: test bearing is vertically mounted on the left end or the right-hand member of bearing test-bed, and the axis of test bearing is a horizontal direction.The testing table of the utility model comprises sealing physical construction, static pressure loading system, drive system and TT&C system four parts.
Sealing physical construction is made up of test bearing, testing table end cap and parts such as link, column and base; End link, test bearing, loading disc, the hydrostatic bearing pad that floats, loading seat, oil cylinder and base are connected to form branch road, and its two ends are fixed in the mechanical close structure, form inner stressed enclosed construction.Select one in the outer ring of test bearing and the inner ring and fix, another connects loading disc.The interior ring rebound that is connected with test bearing, outer shroud rebound, are connected with top end cover and loading disc through the inner and outer ring rebound for different model and the test bearing that pattern is installed for changing assembly.
The static pressure loading system comprises unsteady hydrostatic bearing pad, loads seat, oil cylinder and hydraulic system.On loading disc, adopt the hydrostatic bearing pad that floats to be connected respectively with radial loaded seat, axial loading seat and oil cylinder; Load cylinder passes through to load seat, unsteady hydrostatic bearing pad, loading disc to the radial loaded of test bearing, axially loading and upsetting moment loading, and presses test bearing loading spectrum imposed load.Through hydraulic system power is provided, promotes hydrostatic bearing loading disc is applied radial load, axial load and upsetting moment, and it is passed to test bearing through loading disc.The ring seat left and right sides was made up of radial loaded oil cylinder, radial force sensor, hydrostatic bearing pad in radial loaded seat and oil cylinder were fixed on, and provided radial load to load; Axially load seat and oil cylinder and be positioned at loading disc both sides up and down, form, can realize that through the various combination of load cylinder axial load and upsetting moment load simultaneously by axial load cylinder, axial force transducer, hydrostatic bearing pad.The terminal charging assembly of this loading system compensates the loading disc distortion by unsteady hydrostatic bearing pad, changes through the oil cylinder oil pressure and realizes pressing the loading spectrum loading.The load cylinder cylinder body is connected with hydraulic system.
Drive system is made up of motor, reducer casing, driven wheel etc.Motor and reducer casing are fixed on the base, and motor drives loading disc and test bearing rotation through the speed reduction unit driven wheel, realizes the at the uniform velocity rotation of testing bearing inner race.
Test is divided into measuring system and control system with control system, and measuring system comprises sensor, computing machine, experimental data processing and analysis software etc.; Control system comprises computing machine, switch board, sensor and actuator etc.The sensor of measuring system is tested the correlated performance parameter of test bearing; Comprise sensors such as power (radially, axially), moment, stress, temperature, displacement (distortion), angle and (angle) speed; Can realize the real time dynamic measurement of a plurality of parameters of test bearing; Effectively improve measuring accuracy; And practice thrift test period greatly, the correlation parameter of test macro experiment with measuring bearing and control corresponding parameter, test figure are transferred on the computing machine and form test report and form by analysis software Processing Test data.Control system is connected with drive system, loading system, test macro mutually, realizes the real-time control of testing table.Control system comprises the control that hydraulic system, drive system and mechanical and electric operation, protection, monitoring test are moved; And to the FEEDBACK CONTROL of process of the test measurement result; The control of drive system and loading system realizes carrying out automatically of test according to test load spectrum and the requirement of rotating speed spectrum.The dynamic demonstration of controlled variable and test parameter simultaneously, and test result preserved and print.
The beneficial effect of the utility model is:
1, the static pressure loading technique that floats is proposed; A test bearing is carried out load test; Avoided existing bearing test-bed to need two bearings combinations (test rolling bearing with accompany the test rolling bearing) test and be difficult to obtain the shortcoming of single test bearing performance data, reduced of the influence of testing table bearing the test bearing performance data.
2, propose testing table sealing physical construction, make loading disc, test bearing, end cap, column and base form force-closed structure, testing table rigidity is big, and volume is little, and cost is low, saves the space.
3, test bearing is installed in testing table end (top, bottom, left end, right-hand member), installs with the test bearing parts, and topology layout is reasonable, and is easy to loading and unloading.
4, parameters such as the moment of friction of test bearing, displacement deformation are directly measured, and precision is high.
Description of drawings
Fig. 1 is an interposed structure synoptic diagram on the vertical enclosed construction bearing of the utility model.
Fig. 2 is the horizontal enclosed construction synoptic diagram of the utility model.
Among the figure: 1 sealing physical construction, 2 static pressure loading systems, 3 drive systems, 4 TT&C systems, 5 test bearings; 6 testing table top end cover, 7 columns, 8 bases, 9 interior ring rebounds; 10 outer shroud rebounds, 11 interior ring seats, 12 loading discs, 13 hydrostatic bearing pads; 14 motors, 15 speed reduction units, 16 driven wheels, 17 load seat.
Embodiment
Following examples are the explanations to the utility model, and the utility model is not limited to following examples.
Embodiment 1:
Be illustrated in figure 1 as and put enclosed construction on the vertical bearing of the utility model: the bearing test-bed of the utility model is made up of sealing physical construction 1, static pressure loading system 2, drive system 3, TT&C system 4 four parts.
Sealing physical construction 1 is formed by parts such as test bearing 5 and testing table end cap 6 and link, column 7, bases 8 and seals physical construction; Select one in the outer ring of test bearing 5 and the inner ring and fix, another connects loading disc 12.The interior ring rebound 9 that is connected with test bearing, outer shroud rebound 10, are connected with top end cover 6 and loading disc 12 through inner and outer ring rebound 9,10 for different model and the test bearing that pattern is installed for changing assembly.Sealing physical construction is arranged on the top of bearing test-bed, can install easily test bearing through lifting.
The static pressure loading system comprises the test bearing 5 that floats, hydrostatic bearing pad 13, loading seat 17 and oil cylinder, hydraulic system.On loading disc 12, adopt the hydrostatic bearing pad that floats to be connected respectively with radial loaded seat, axial loading seat and oil cylinder; Load cylinder passes through to load the radial loaded of seat 17, unsteady hydrostatic bearing pad 13,12 pairs of test bearings of loading disc, axially loading and upsetting moment loading, and presses test bearing loading spectrum imposed load.Through hydraulic system power is provided, promotes hydrostatic bearing loading disc 12 is applied radial load, axial load and upsetting moment, and it is passed to test bearing 5 through loading disc 12; Axially load seat and oil cylinder and loading seat and total two separate units of oil cylinder.Ring seat 11 left and right sides were made up of radial loaded oil cylinder, radial force sensor, hydrostatic bearing pad 13 in radial loaded seat and oil cylinder were fixed on, and provided radial load to load; Axially load seat and oil cylinder and be positioned at loading disc about in the of 12 both sides, form, can realize that through the various combination of load cylinder axial load and upsetting moment load simultaneously by axial load cylinder, axial force transducer, hydrostatic bearing pad.The terminal charging assembly of this loading system compensates the loading disc distortion by unsteady hydrostatic bearing pad, changes through the oil cylinder oil pressure and realizes pressing the loading spectrum loading.The load cylinder cylinder body is connected with hydraulic system.
Drive system is made up of motor 14, reducer casing 15, driven wheel 16 etc.Motor 14 and reducer casing 15 are fixed on the base, and motor 14 drives loading disc 12 and test bearing 5 rotations through the speed reduction unit driven wheel, realizes the at the uniform velocity rotation of testing bearing inner race.
Test is divided into measuring system and control system with control system, and measuring system comprises sensor, computing machine, experimental data processing and analysis software etc.; Control system comprises computing machine, switch board, sensor and actuator etc.The sensor of measuring system is tested the correlated performance parameter of test bearing; Comprise sensors such as power (radially, axially), moment, stress, temperature, displacement (distortion), angle and (angle) speed; Can realize the real time dynamic measurement of a plurality of parameters of test bearing; Effectively improve measuring accuracy; And practice thrift test period greatly, the correlation parameter of test macro experiment with measuring bearing and control corresponding parameter, test figure are transferred on the computing machine and form test report and form by analysis software Processing Test data.Control system is connected with drive system, loading system, test macro mutually, realizes the real-time control of testing table.Control system comprises the control that hydraulic system, drive system 2 and mechanical and electric operation, protection, monitoring test are moved; And to the FEEDBACK CONTROL of process of the test measurement result; The control of drive system and loading system realizes carrying out automatically of test according to test load spectrum and the requirement of rotating speed spectrum.The dynamic demonstration of controlled variable and test parameter simultaneously, and test result preserved and print.
Embodiment 2:
As shown in Figure 2, be the horizontal enclosed construction of the utility model, basic identical with structure among the embodiment 1, wherein test bearing 5 is vertically mounted on the left end or the right-hand member of bearing test-bed, and the axis of test bearing is a horizontal direction.
Claims (2)
1. a bearing test-bed comprises sealing physical construction, static pressure loading system, drive system and TT&C system, it is characterized in that sealing physical construction: form sealing physical construction jointly by test bearing, testing table end cap and link, column and base; Testing table end cap and link, test bearing, loading disc, the hydrostatic bearing pad that floats, loading seat, oil cylinder and base connect into branch road, and its two ends are fixed in the mechanical close structure, form inner stressed enclosed construction;
Static pressure loading system: select one in the outer ring of test bearing and the inner ring and fix; Another connects loading disc; On loading disc, adopt the hydrostatic bearing pad that floats to be connected respectively with radial loaded seat, axial loading seat and oil cylinder; Load cylinder passes through to load seat, unsteady hydrostatic bearing pad, loading disc to the radial loaded of test bearing, axially loading and upsetting moment loading, and presses test bearing loading spectrum imposed load;
Bearing test-bed adopts vertical structure, that is: the test bearing level is installed in the top, upper end or the bottom, lower end of bearing test-bed, and the axis of test bearing is a vertical.
2. a kind of bearing test-bed according to claim 1 is characterized in that, bearing test-bed adopts horizontal type structure, that is: test bearing is vertically mounted on the left end or the right-hand member of bearing test-bed, and the axis of test bearing is a horizontal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120242886U CN202149847U (en) | 2011-07-11 | 2011-07-11 | Large-scale bearing testing stand with static pressure loading enclosed structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120242886U CN202149847U (en) | 2011-07-11 | 2011-07-11 | Large-scale bearing testing stand with static pressure loading enclosed structure |
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| Publication Number | Publication Date |
|---|---|
| CN202149847U true CN202149847U (en) | 2012-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201120242886U Withdrawn - After Issue CN202149847U (en) | 2011-07-11 | 2011-07-11 | Large-scale bearing testing stand with static pressure loading enclosed structure |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175452A (en) * | 2010-12-31 | 2011-09-07 | 清华大学 | Bearing experiment table |
| CN102288410A (en) * | 2011-07-11 | 2011-12-21 | 大连理工大学 | Large-scale bearing test table having hydrostatic loading closed structure |
| CN103344426A (en) * | 2013-07-12 | 2013-10-09 | 安徽工业大学 | Slewing bearing testing and detecting platform |
| CN104165768A (en) * | 2014-09-04 | 2014-11-26 | 大连理工大学 | Bearing integrated dynamic performance test device and method |
| CN106644479A (en) * | 2016-12-27 | 2017-05-10 | 湖南崇德工业科技有限公司 | Test bed of vertical bearing |
| CN108896310A (en) * | 2018-07-25 | 2018-11-27 | 北京卫星环境工程研究所 | The bearing multi-stress test system of analog tilting moment |
| CN114088397A (en) * | 2021-12-08 | 2022-02-25 | 中国石油大学(华东) | Thrust bearing performance test device based on similar theory |
-
2011
- 2011-07-11 CN CN201120242886U patent/CN202149847U/en not_active Withdrawn - After Issue
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175452A (en) * | 2010-12-31 | 2011-09-07 | 清华大学 | Bearing experiment table |
| CN102175452B (en) * | 2010-12-31 | 2012-12-05 | 清华大学 | Bearing experiment table |
| CN102288410A (en) * | 2011-07-11 | 2011-12-21 | 大连理工大学 | Large-scale bearing test table having hydrostatic loading closed structure |
| CN102288410B (en) * | 2011-07-11 | 2012-12-26 | 大连理工大学 | Large-scale bearing test table having hydrostatic loading closed structure |
| CN103344426B (en) * | 2013-07-12 | 2015-06-10 | 安徽工业大学 | Slewing bearing testing and detecting platform |
| CN103344426A (en) * | 2013-07-12 | 2013-10-09 | 安徽工业大学 | Slewing bearing testing and detecting platform |
| CN104165768A (en) * | 2014-09-04 | 2014-11-26 | 大连理工大学 | Bearing integrated dynamic performance test device and method |
| CN106644479A (en) * | 2016-12-27 | 2017-05-10 | 湖南崇德工业科技有限公司 | Test bed of vertical bearing |
| CN106644479B (en) * | 2016-12-27 | 2020-04-07 | 湖南崇德工业科技有限公司 | Test bed for vertical bearing |
| CN108896310A (en) * | 2018-07-25 | 2018-11-27 | 北京卫星环境工程研究所 | The bearing multi-stress test system of analog tilting moment |
| CN108896310B (en) * | 2018-07-25 | 2020-05-08 | 北京卫星环境工程研究所 | Bearing multi-stress test system capable of simulating overturning moment |
| CN114088397A (en) * | 2021-12-08 | 2022-02-25 | 中国石油大学(华东) | Thrust bearing performance test device based on similar theory |
| CN114088397B (en) * | 2021-12-08 | 2023-08-25 | 中国石油大学(华东) | Thrust bearing performance test device based on similarity theory |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Delun Inventor after: Sun Shoulin Inventor after: Jin Ying Inventor after: Wang Lianji Inventor after: Mao Fanhai Inventor after: Dong Huimin Inventor after: Ma Yali Inventor after: Gao Yuan Inventor before: Wang Delun Inventor before: Sun Shoulin Inventor before: Wang Lianji Inventor before: Mao Fanhai Inventor before: Dong Huimin Inventor before: Ma Yali Inventor before: Gao Yuan |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: WANG DELUN SUN SHOULIN WANG LIANJI MAO FANHAI DONG HUIMIN MA YALI GAO YUANTO: WANG DELUN SUN SHOULIN JIN YING WANG LIANJI MAO FANHAI DONG HUIMIN MA YALI GAO YUAN |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20120222 Effective date of abandoning: 20130227 |
|
| RGAV | Abandon patent right to avoid regrant |