CN105354395B - A kind of ball bearing vibration equivalence modeling method based on ADAMS - Google Patents
A kind of ball bearing vibration equivalence modeling method based on ADAMS Download PDFInfo
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- CN105354395B CN105354395B CN201510884274.6A CN201510884274A CN105354395B CN 105354395 B CN105354395 B CN 105354395B CN 201510884274 A CN201510884274 A CN 201510884274A CN 105354395 B CN105354395 B CN 105354395B
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Abstract
The invention discloses a kind of ball bearing vibration equivalence modeling method based on ADAMS, comprise the following steps：1）The 3 dimensional drawing of ball bearing is established, and threedimensional model is imported in ADAMS；2）Establish connecting rod corresponding with ball bearing ball quantity, addition sliding is secondary between each ball barycenter and connecting rod, then all connecting rod is synthesized by the retainer that a link component substitutes master mould by Boolean calculation, changes link component qualitative attribute parameter and be set to zero；3）Built-in radius is less than the ball of ball in each ball of ball bearing, and adds typed ball bearing pair constraint ball and interior Place；Interior Place qualitative attribute parameter is revised as zero.The present invention accurately simulates the complicated rotation of ball during bearing real-world operation on the premise of ensureing correct modeling and not influenceing dynamical simulation results；Greatly simplify modeling procedure, significantly reduce the simulation calculating time, improve emulation reliability and simulation efficiency.
Description
Technical field
The present invention relates to a kind of dynamic modeling method of ball bearing, more particularly to a kind of ball bearing based on ADAMS
Vibration equivalence modeling method.
Technical background
Three bearing mechanical model experience Static Analysis Model of Micro-machined, quasi-static testing analysis model, dynamic analysis model hairs
The exhibition stage.Early stage establishes Static Analysis Model of Micro-machined according only to preferable motion state and simple movement relation, it is difficult to accurate pre-
Survey and describe bearing movable state.Quasi-static testing analysis model comparatively perfect, can effectively predicted roll body rotating speed, bearing fatigue longevity
The kinematic parameters such as life, bearing deformation and rigidity, can substantially meet requirement of engineering, but can not analyze bearing transient state wild effect,
Bearing dynamic property can not be described completely.Dynamic analysis model not only can effectively analyze bearing load and rotating speed with the time
Stability of working condition and rolling element and retainer during change etc., and can more truely and accurately describe bearing dynamic and
The stable state of motion, therefore the research of dynamic analysis modeling method was paid attention in recent years.
During the dynamic analysis of ball bearing is carried out, bearing system dynamics are analyzed using computer simulation technique
Study highly effective, and Dynamics Simulation software ADAMS has obtained being widely recognized as all circles in dynamic analysis field.So
And in the modeling process based on ADAMS, mechanical characteristic of the ball bearing in operation process between inner member is extremely complex：Rolling
Pearl has the rotation around its centroidal axis again in the existing revolution around bearing axis of Bearing inner；In any instantaneous bearing rolling element with
Contact between Internal and external cycle and retainer belongs to multi body contact problem, along with contact of the bearing inner race with axle, bearing outer ring with
The contact of bearing block, the part of Bearing inner can all be had an impact.Therefore, rolling bearing be combine multimer contact, friction,
Slip, material nonlinearity, geometrical non-linearity, the Complicated Contact Problems of boundary nonlinear.Correctly establish the dynamic of rolling bearing
Simulation model, it is to have very important significance that accurate simulation truth lower bearing, which rotates,.
The content of the invention
In order to solve the above-mentioned technical problem, the present invention, which provides one kind and can accurately simulated, holds ball during real-world operation
Complexity rotate based on ADAMS ball bearing vibration equivalence modeling methods, it can also improve the emulation reliability of ball bearing and imitative
True efficiency.
The technical solution adopted by the present invention is：A kind of ball bearing vibration equivalence modeling method based on ADAMS, including such as
Lower step：
1）The 3 dimensional drawing of ball bearing is established, and the threedimensional model of ball bearing is imported in ADAMS；
2）Connecting rod corresponding with ball bearing ball quantity is established in ADAMS, radius of the connecting rod along ball bearing is set, and logical
Cross the centre of sphere of corresponding ball；Addition sliding is secondary between each ball barycenter and connecting rod, then by Boolean calculation by institute
Some connecting rods synthesize the retainer that a link component substitutes master mould, change the qualitative attribute parameter of link component and are set
It is set to zero.
3）In each ball of ball bearing built-in radius be less than ball interior Place, and add typed ball bearing pair constraint ball with
Interior Place；Finally, the qualitative attribute parameter of interior Place is revised as zero.
Compared with prior art, the beneficial effects of the invention are as follows：
1. it is real accurately to simulate bearing on the premise of ensureing correct modeling and not influenceing dynamical simulation results by the present invention
In the operation process of border, ball not only revolves round the sun but also around its barycenter rotation around axis, and answering for relative slip occurs between retainer again
Miscellaneous rotation.
2. the present invention greatly simplifies modeling procedure, the addition of constraint is reduced, significantly reduces the simulation calculating time, is improved
The emulation reliability and simulation efficiency of ball bearing.
Brief description of the drawings
Fig. 1 is the retainer simulation sketch of the present invention.
Fig. 2 is Fig. 1 left view.
Fig. 3 is the ball simulation drawing of the present invention.
Fig. 4 is Fig. 3 left view.
Fig. 5 is the equivalent sketch of retainer of the present invention.
In figure：The ball 5 of 1 bearing outer ring, 2 link component, 3 bearing inner race 4 slides pair
The typed ball bearing pair of Place 7 in 6.
Embodiment
With reference to specific accompanying drawing, the invention will be further described.
The present invention comprises the following steps that：
Step 1, establishes the 3 dimensional drawing of ball bearing on three-dimensional software, and ball bearing includes bearing inner race 1, outside bearing
Circle 3 and ball 4, and the threedimensional model of ball bearing is imported in ADAMS.
Step 2, connecting rod corresponding with ball bearing ball quantity, radial direction of the connecting rod along ball bearing are established in ADAMS
Set, the barycenter that connecting rod passes through corresponding ball；The addition sliding pair 5 between each ball barycenter and corresponding connecting rod, then
All connecting rods are synthesized by a link component 2 by Boolean calculation（As shown in Figure 5）Substitute master mould retainer, and the company of modification
The qualitative attribute parameter of bar component 2, its system default mass parameter is arranged to zero；As shown in Figure 1, 2.
Step 3, in each ball of ball bearing built-in radius be less than ball interior Place 6, interior Place 6 with it is corresponding
Ball it is concentric；And add typed ball bearing pair 7 and constrain ball and interior Place 6；Then the qualitative attribute parameter of Place 6 in changing, by it
The qualitative attribute parameter of system default is arranged to zero, as shown in Figure 3,4.
Claims (1)
1. a kind of ball bearing vibration equivalence modeling method based on ADAMS, comprises the following steps：
1）The 3 dimensional drawing of ball bearing is established, and the threedimensional model of ball bearing is imported in ADAMS, ball bearing includes bearing
Inner ring, bearing outer ring and ball；
2）Connecting rod corresponding with ball bearing ball quantity is established in ADAMS, radius of the connecting rod along ball bearing is set, and is passed through
The centre of sphere of corresponding ball；Addition sliding is secondary between each ball barycenter and connecting rod, then will be all by Boolean calculation
Connecting rod synthesize the retainer that link component substitutes master mould, change the qualitative attribute parameter of link component and set
It is zero；
3）In each ball of ball bearing built-in radius be less than ball interior Place, and add typed ball bearing pair constraint ball with it is built-in
Ball；Finally, the qualitative attribute parameter of interior Place is revised as zero.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510884274.6A CN105354395B (en) | 2015-12-03 | 2015-12-03 | A kind of ball bearing vibration equivalence modeling method based on ADAMS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510884274.6A CN105354395B (en) | 2015-12-03 | 2015-12-03 | A kind of ball bearing vibration equivalence modeling method based on ADAMS |
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| Publication Number | Publication Date |
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| CN105354395A CN105354395A (en) | 2016-02-24 |
| CN105354395B true CN105354395B (en) | 2018-02-23 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109190266B (en) * | 2018-09-10 | 2022-12-06 | 石家庄铁道大学 | Multi-rigid-body dynamics simplified modeling method based on ADAMS software |
| CN109583079B (en) * | 2018-11-28 | 2022-10-04 | 合肥哈工热气球数字科技有限公司 | Sliding bearing modeling method based on ADAMS |
| CN109684671B (en) * | 2018-11-30 | 2022-10-04 | 合肥哈工热气球数字科技有限公司 | ADAMS-based sliding guide rail pair modeling method |
| CN110955988B (en) * | 2019-10-30 | 2024-04-02 | 郑州飞机装备有限责任公司 | Modeling method for solving dynamics characteristics of hanging ejection mechanism by ADAMS |
| CN112989524B (en) * | 2021-05-12 | 2021-07-30 | 西北工业大学 | Ball bearing rolling body modeling method and system and storage medium |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011186614A (en) * | 2010-03-05 | 2011-09-22 | Nsk Ltd | Model creation system and simulation system for bearing component |
| CN104239654A (en) * | 2014-10-13 | 2014-12-24 | 中国科学院光电技术研究所 | Bearing simplifying method in finite element simulation analysis |
-
2015
- 2015-12-03 CN CN201510884274.6A patent/CN105354395B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011186614A (en) * | 2010-03-05 | 2011-09-22 | Nsk Ltd | Model creation system and simulation system for bearing component |
| CN104239654A (en) * | 2014-10-13 | 2014-12-24 | 中国科学院光电技术研究所 | Bearing simplifying method in finite element simulation analysis |
Non-Patent Citations (2)
| Title |
|---|
| 基于ADAMS和分形理论的轴承保持架动力学仿真分析;胡林林等;《轴承》;20141231(第1期);7-10 * |
| 球轴承动态性能仿真与测试;顾家铭等;《轴承》;20121231(第7期);20-24 * |
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