CN102288410A - Large-scale bearing test table having hydrostatic loading closed structure - Google Patents
Large-scale bearing test table having hydrostatic loading closed structure Download PDFInfo
- Publication number
- CN102288410A CN102288410A CN2011101931100A CN201110193110A CN102288410A CN 102288410 A CN102288410 A CN 102288410A CN 2011101931100 A CN2011101931100 A CN 2011101931100A CN 201110193110 A CN201110193110 A CN 201110193110A CN 102288410 A CN102288410 A CN 102288410A
- Authority
- CN
- China
- Prior art keywords
- bearing
- test
- loading
- seat
- static pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
本发明属于轴承试验技术领域，涉及到一种轴承试验台。本轴承试验台由封闭机械结构、静压加载系统、驱动系统、测控系统四部分组成。封闭机械结构由试验轴承与试验台端盖及连接部件、立柱、底座等件组成，使加载盘、试验轴承、端盖、立柱和底座形成内封闭结构；静压加载系统由轴向加载座及油缸和径向加载座及油缸实现径向、轴向和倾覆力矩的静压加载并按试验轴承载荷谱施加；驱动系统固定在底座上的电机经减速器驱动齿轮带动加载盘及试验轴承旋转。测控系统包括传感器、计算机、控制柜、传感器与执行器等。本发明利用浮动静压加载技术，减少试验台轴承对试验轴承性能数据的影响。试验台刚度大，体积小，成本低。
The invention belongs to the technical field of bearing tests and relates to a bearing test stand. The bearing test bench is composed of four parts: closed mechanical structure, static pressure loading system, drive system, and measurement and control system. The closed mechanical structure is composed of the test bearing, the end cover of the test bench, the connecting parts, the column, the base, etc., so that the loading plate, the test bearing, the end cover, the column and the base form an internal closed structure; the static pressure loading system consists of an axial loading seat and an oil cylinder The static pressure loading of the radial, axial and overturning moments is realized with the radial loading seat and the oil cylinder, and is applied according to the load spectrum of the test bearing; the motor fixed on the base of the drive system drives the loading plate and the test bearing to rotate through the drive gear of the reducer. The measurement and control system includes sensors, computers, control cabinets, sensors and actuators, etc. The invention utilizes the floating static pressure loading technology to reduce the impact of the test bench bearing on the performance data of the test bearing. The test bench has high rigidity, small size and low cost.
Description
Technical field
The invention belongs to the bearing test technical field, relate 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, bear very big upsetting moment, therefore require 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, carry out the durability test and the performance test of test bearing, accuracy of detection is low, especially can not detect the specific 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.
Summary of the invention
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 present invention proposes a kind of novel bearing testing table principle and structure.
Bearing test-bed of the present invention 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.Testing table of the present invention 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 by 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.Provide power by hydraulic system, promote hydrostatic bearing loading disc is applied radial load, axial load and upsetting moment, and it is passed to test bearing by loading disc.Radial loaded seat and oil cylinder are fixed on the interior ring seat left and right sides, are made up of radial loaded oil cylinder, radial force sensor, hydrostatic bearing pad, provide 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 by 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 by 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 save 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 mutually with drive system, loading system, test macro, 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 invention has the beneficial effects as follows:
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 the precision height.
Description of drawings
Fig. 1 is an interposed structure synoptic diagram on the vertical enclosed construction bearing of the present invention.
Fig. 2 is the horizontal enclosed construction synoptic diagram of the present invention.
Among the figure: 1 sealing physical construction, 2 static pressure loading systems, 3 drive systems, 4 TT﹠C system, 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 explanation of the invention, and the present invention is not limited to following examples.
Embodiment 1:
Be illustrated in figure 1 as and put enclosed construction on the vertical bearing of the present invention: bearing test-bed of the present invention 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 by 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 by 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.Provide power by hydraulic system, promote hydrostatic bearing loading disc 12 is applied radial load, axial load and upsetting moment, and it is passed to test bearing 5 by loading disc 12; Axially load seat and oil cylinder and loading seat and total two separate units of oil cylinder.Radial loaded seat and oil cylinder are fixed on interior ring seat 11 left and right sides, are made up of radial loaded oil cylinder, radial force sensor, hydrostatic bearing pad 13, provide 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 by 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 by 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 save 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 mutually with drive system, loading system, test macro, 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 horizontal enclosed construction of the present invention, 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 |
|---|---|---|---|
| CN 201110193110 CN102288410B (en) | 2011-07-11 | 2011-07-11 | Large-scale bearing test table having hydrostatic loading closed structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110193110 CN102288410B (en) | 2011-07-11 | 2011-07-11 | Large-scale bearing test table having hydrostatic loading closed structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102288410A true CN102288410A (en) | 2011-12-21 |
| CN102288410B CN102288410B (en) | 2012-12-26 |
Family
ID=45335010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110193110 Expired - Fee Related CN102288410B (en) | 2011-07-11 | 2011-07-11 | Large-scale bearing test table having hydrostatic loading closed structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102288410B (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980755A (en) * | 2012-11-16 | 2013-03-20 | 北京工业大学 | Quantitive type experimental device for dynamic and static performances of static-pressure rotary table |
| CN103674710A (en) * | 2013-10-16 | 2014-03-26 | 洛阳轴研科技股份有限公司 | Stiffness curve test method for axial displacement of micro bearing under continuously progressively increased axial force |
| CN103983456A (en) * | 2014-05-07 | 2014-08-13 | 大连理工大学 | Integrated loading experiment table for rolling bearing |
| CN103983414A (en) * | 2014-05-16 | 2014-08-13 | 哈尔滨工程大学 | Loading test stand for submarine pipeline clamping component |
| CN104658403A (en) * | 2015-03-09 | 2015-05-27 | 东北大学 | Thrust sliding bearing lubricating property teaching demonstration device |
| CN105157982A (en) * | 2015-06-18 | 2015-12-16 | 哈尔滨工业大学 | Low-coupling axial and radial combined loading device for rolling bearing and loading method |
| CN105179263A (en) * | 2015-08-20 | 2015-12-23 | 上海阿波罗机械股份有限公司 | Test device for hydrostatic bearing of main cycle sodium pump |
| CN108318165A (en) * | 2017-12-14 | 2018-07-24 | 西安益翔航电科技有限公司 | A kind of bearing dynamic friction torque tester |
| CN108801639A (en) * | 2018-07-26 | 2018-11-13 | 索特传动设备有限公司 | Bearing test tooling and system |
| CN113607317A (en) * | 2021-08-04 | 2021-11-05 | 大连理工大学 | Indirect measuring method and system for raceway contact stress |
| 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 |
| CN114993675A (en) * | 2022-05-30 | 2022-09-02 | 哈尔滨工程大学 | Inverted modular low-speed machine connecting rod tile test platform machine |
| CN115307903A (en) * | 2022-06-21 | 2022-11-08 | 中国工程物理研究院机械制造工艺研究所 | High-precision measuring system and method for rigidity of hydrostatic bearing |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU800771A1 (en) * | 1978-07-10 | 1981-01-30 | Moskalev Viktor N | Stand for calibrating antifriction bearings |
| JP2008309508A (en) * | 2007-06-12 | 2008-12-25 | Ntn Corp | Bearing testing device and bearing test method |
| CN201293714Y (en) * | 2008-12-08 | 2009-08-19 | 南京工业大学 | Wind power slewing bearing comprehensive performance test bench |
| CN101713703A (en) * | 2009-12-11 | 2010-05-26 | 南京工业大学 | Wind turbine pitch slewing bearing test bench |
| CN201555707U (en) * | 2009-09-24 | 2010-08-18 | 浙江天马轴承股份有限公司 | A large bearing testing machine |
| CN201680964U (en) * | 2010-05-14 | 2010-12-22 | 华锐风电科技(集团)股份有限公司 | Variable-pitch bearing experiment table of large-power wind generating set |
| JP2011033352A (en) * | 2009-07-29 | 2011-02-17 | Kawasaki Heavy Ind Ltd | Test device for slewing ring bearing |
| CN202149847U (en) * | 2011-07-11 | 2012-02-22 | 大连理工大学 | Large-scale bearing testing stand with static pressure loading enclosed structure |
-
2011
- 2011-07-11 CN CN 201110193110 patent/CN102288410B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU800771A1 (en) * | 1978-07-10 | 1981-01-30 | Moskalev Viktor N | Stand for calibrating antifriction bearings |
| JP2008309508A (en) * | 2007-06-12 | 2008-12-25 | Ntn Corp | Bearing testing device and bearing test method |
| CN201293714Y (en) * | 2008-12-08 | 2009-08-19 | 南京工业大学 | Wind power slewing bearing comprehensive performance test bench |
| JP2011033352A (en) * | 2009-07-29 | 2011-02-17 | Kawasaki Heavy Ind Ltd | Test device for slewing ring bearing |
| CN201555707U (en) * | 2009-09-24 | 2010-08-18 | 浙江天马轴承股份有限公司 | A large bearing testing machine |
| CN101713703A (en) * | 2009-12-11 | 2010-05-26 | 南京工业大学 | Wind turbine pitch slewing bearing test bench |
| CN201680964U (en) * | 2010-05-14 | 2010-12-22 | 华锐风电科技(集团)股份有限公司 | Variable-pitch bearing experiment table of large-power wind generating set |
| CN202149847U (en) * | 2011-07-11 | 2012-02-22 | 大连理工大学 | Large-scale bearing testing stand with static pressure loading enclosed structure |
Non-Patent Citations (2)
| Title |
|---|
| 嵇启兰: "高速重载车辆滚动轴承试验台的设计", 《铁道机车车辆》, no. 2, 28 February 1996 (1996-02-28) * |
| 方成刚，等: "风电转盘轴承综合性能实验台的研制", 《制造业自动化》, vol. 31, no. 11, 30 November 2009 (2009-11-30) * |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980755B (en) * | 2012-11-16 | 2015-05-20 | 北京工业大学 | Quantitive type experimental device for dynamic and static performances of static-pressure rotary table |
| CN102980755A (en) * | 2012-11-16 | 2013-03-20 | 北京工业大学 | Quantitive type experimental device for dynamic and static performances of static-pressure rotary table |
| CN103674710A (en) * | 2013-10-16 | 2014-03-26 | 洛阳轴研科技股份有限公司 | Stiffness curve test method for axial displacement of micro bearing under continuously progressively increased axial force |
| CN103674710B (en) * | 2013-10-16 | 2015-10-21 | 洛阳轴研科技股份有限公司 | Increase progressively the stiffness curve method of testing of miniature bearing axial displacement under axial force continuously |
| CN103983456A (en) * | 2014-05-07 | 2014-08-13 | 大连理工大学 | Integrated loading experiment table for rolling bearing |
| CN103983456B (en) * | 2014-05-07 | 2016-07-20 | 大连理工大学 | The comprehensive loading experiment platform of rolling bearing |
| CN103983414A (en) * | 2014-05-16 | 2014-08-13 | 哈尔滨工程大学 | Loading test stand for submarine pipeline clamping component |
| CN104658403A (en) * | 2015-03-09 | 2015-05-27 | 东北大学 | Thrust sliding bearing lubricating property teaching demonstration device |
| CN104658403B (en) * | 2015-03-09 | 2017-09-19 | 东北大学 | Teaching and demonstration device for lubrication characteristics of thrust sliding bearings |
| CN105157982B (en) * | 2015-06-18 | 2017-07-28 | 哈尔滨工业大学 | Lower coupling axial direction and radial compound loading device and the loading method of rolling bearing |
| CN105157982A (en) * | 2015-06-18 | 2015-12-16 | 哈尔滨工业大学 | Low-coupling axial and radial combined loading device for rolling bearing and loading method |
| CN105179263B (en) * | 2015-08-20 | 2017-03-29 | 上海阿波罗机械股份有限公司 | A kind of major cycle sodium pump hydrostatic bearing assay device |
| CN105179263A (en) * | 2015-08-20 | 2015-12-23 | 上海阿波罗机械股份有限公司 | Test device for hydrostatic bearing of main cycle sodium pump |
| CN108318165A (en) * | 2017-12-14 | 2018-07-24 | 西安益翔航电科技有限公司 | A kind of bearing dynamic friction torque tester |
| CN108801639A (en) * | 2018-07-26 | 2018-11-13 | 索特传动设备有限公司 | Bearing test tooling and system |
| CN108801639B (en) * | 2018-07-26 | 2024-02-02 | 索特传动设备有限公司 | Bearing test tool and system |
| CN113607317A (en) * | 2021-08-04 | 2021-11-05 | 大连理工大学 | Indirect measuring method and system for raceway contact stress |
| 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 |
| CN114993675A (en) * | 2022-05-30 | 2022-09-02 | 哈尔滨工程大学 | Inverted modular low-speed machine connecting rod tile test platform machine |
| CN115307903A (en) * | 2022-06-21 | 2022-11-08 | 中国工程物理研究院机械制造工艺研究所 | High-precision measuring system and method for rigidity of hydrostatic bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102288410B (en) | 2012-12-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102288410B (en) | Large-scale bearing test table having hydrostatic loading closed structure | |
| CN202149847U (en) | Large-scale bearing testing stand with static pressure loading enclosed structure | |
| CN204788929U (en) | Slewing bearing test bench | |
| CN204422209U (en) | Thrust hydrodynamic journal liquid polymers reliability test bench | |
| CN207487971U (en) | A kind of electro spindle-bearing characteristics experimental rig | |
| CN102252807A (en) | Testing stand device for sealing performance of high-speed and heavy-duty bearings | |
| CN203595606U (en) | Planer-type counterforce framework two-dimensional excitation loading test bench for axle box bearing of high speed train | |
| CN103983454A (en) | Wind turbine generator transmission chain full-working-condition test simulation device | |
| CN204944839U (en) | Rolling bearing fatigue life testing table | |
| CN102288400B (en) | Stirring tube driving speed reducer static test device | |
| CN109187014A (en) | A kind of hub bearing dynamic friction torque is test bed | |
| CN207741936U (en) | Automobile hub bearing tester | |
| CN212539621U (en) | A bearing test bench capable of applying complex loads | |
| CN105403408A (en) | Bidirectional-loading double-turning water-lubrication thrust bearing testing apparatus with pretightening force | |
| CN103076178A (en) | Experimental machine for evaluating impact-loading type tribological performance of joint bearing | |
| CN102840984A (en) | Double-steering bi-directional-loading thrust bearing test device | |
| CN106872159B (en) | A kind of wind driven generator yaw brake system vibration noise testing stand | |
| CN112557035A (en) | Main drive bearing test bench and test system | |
| CN109030000B (en) | High-speed large-load horizontal sliding bearing performance test bed | |
| CN201159684Y (en) | A wind turbine pitch bearing testing machine | |
| CN104142246B (en) | Multi-group bearing loading simulation test system | |
| CN203837912U (en) | A wind turbine transmission chain full working condition test simulation device | |
| CN101509830A (en) | Gear box detection device | |
| CN103884505B (en) | Ball socket bearing multidimensional coordination loading condition simulation experiment system | |
| CN114088397A (en) | Thrust bearing performance test device based on similar theory |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Delun Inventor after: Sun Shoulin Inventor after: Wang Lianji Inventor after: Jin Ying 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 YUAN TO: WANG DELUN SUN SHOULIN WANG LIANJI JIN YING MAO FANHAI DONG HUIMIN MA YALI GAO YUAN |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DALIAN EXPLORER TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: DALIAN UNIVERSITY OF TECHNOLOGY Effective date: 20131231 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20131231 Address after: 116024, No. 19, No. 32, Torch Road, Dalian hi tech Industrial Park, Liaoning, Patentee after: DALIAN EXPLORERS TECHNOLOGY CO.,LTD. Address before: 116024 Dalian, Liaoning Ling Road, No. 2 Patentee before: Dalian University of Technology |
|
| ASS | Succession or assignment of patent right |
Owner name: DALIAN UNIVERSITY OF TECHNOLOGY Free format text: FORMER OWNER: DALIAN EXPLORER TECHNOLOGY CO., LTD. Effective date: 20150623 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150623 Address after: 116024 Liaoning, Dalian, Ganjingzi Ling Road, No. 2 Patentee after: DALIAN University OF TECHNOLOGY Address before: 116024, No. 19, No. 32, Torch Road, Dalian hi tech Industrial Park, Liaoning, Patentee before: DALIAN EXPLORERS TECHNOLOGY CO.,LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |