CN114297806B - Method for designing optimal matching parameters of bearing of distribution box - Google Patents
Method for designing optimal matching parameters of bearing of distribution box Download PDFInfo
- Publication number
- CN114297806B CN114297806B CN202210006311.3A CN202210006311A CN114297806B CN 114297806 B CN114297806 B CN 114297806B CN 202210006311 A CN202210006311 A CN 202210006311A CN 114297806 B CN114297806 B CN 114297806B
- Authority
- CN
- China
- Prior art keywords
- bearing
- working condition
- parameters
- optimal matching
- shafting
- 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.)
- Active
Links
Images
Landscapes
- Rolling Contact Bearings (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention relates to the technical field of bearing design, in particular to a method for designing optimal matching parameters of a bearing of a gearbox; establishing a distribution model of a shafting and a bearing by utilizing Romax software, and inputting a plurality of groups of rotating speed data and torque data as variable working condition parameters; analyzing and testing through the distribution model, the fixed working condition parameters and the variable working condition parameters to obtain a plurality of groups of service life parameters of the rear bearing and optimize the stress distribution of the transfer case shafting; analyzing the contact stress result of the roller and the raceway in the bearing by utilizing Romax software, and selecting a bearing material; the bearing data of the front bearing and the rear bearing are obtained, the optimal matching amount of the bearing inner ring and the transfer case bearing is calculated according to the bearing data, the stress distribution of the transfer case shaft system is optimized, the problem caused by the fact that the matching amount of the bearing is determined by experience in the traditional method is solved, and the design of the bearing matching parameters is more reasonable.
Description
Technical Field
The invention relates to the technical field of bearing design, in particular to a method for designing optimal matching parameters of a bearing of a gearbox.
Background
The transfer case is a device for distributing the power of an engine, and the transfer case enters the era of high power and large torque at present, the adopted gear module is larger and larger, the size is larger and larger, the space occupied by the gear module is larger, the heat dissipated by the running of the gear in the shell is larger, and high temperature can be formed in the transfer case body, so that the service life of the gear and the bearing is adversely affected.
At present, in the aspect of research on the optimal matching amount of a bearing, the matching amount of the bearing is often determined through experience, and the stress distribution of a shafting is not considered, so that the service life of the bearing is shortened.
Disclosure of Invention
The invention aims to provide a method for designing optimal matching parameters of a bearing of a gearbox, and aims to solve the technical problem that in the prior art, in the aspect of research on the optimal matching amount of the bearing, the matching amount of the bearing is often determined through experience, and the stress distribution of a shafting is not considered, so that the service life of the bearing is shortened.
In order to achieve the aim, the invention provides a method for designing optimal matching parameters of a bearing of a distribution box, which comprises the following steps:
establishing a distribution model of a shaft system and a bearing by utilizing Romax software, wherein an input shaft and an output shaft adopt crossed shaft systems;
inputting a lubricating mode and working temperature as fixed working condition parameters, and inputting a plurality of groups of rotating speed data and torque data as variable working condition parameters;
analyzing and testing the distribution model, the fixed working condition parameters and the variable working condition parameters to obtain a plurality of groups of service life parameters of the rear bearing and optimize the stress distribution of the transfer case shafting;
analyzing the contact stress result of the roller and the raceway in the bearing by utilizing Romax software, and selecting a bearing material;
and obtaining bearing data of the front bearing and the rear bearing, and calculating the optimal matching amount of the bearing inner ring and the transfer case bearing according to the bearing data.
The method comprises the following steps of establishing a distribution model of a shafting and a bearing by utilizing Romax software, and adopting a crossed shafting for an input shaft and an output shaft:
the transmission mode between the input shaft and the output shaft adopts spiral bevel gear transmission, and the front support bearing and the rear support bearing of the input shaft both adopt transfer conventional tapered roller bearings.
The method comprises the following steps of establishing a distribution model of a shafting and a bearing by utilizing Romax software, and adopting a crossed shafting for an input shaft and an output shaft:
the rear support bearing of the output shaft adopts 32909 standard type structure bearing.
Wherein, in the step of inputting lubrication mode and operating temperature as fixed operating mode parameters, inputting multiple groups of rotating speed data and torque data as variable operating mode parameters:
the lubrication mode adopts 90W gearbox oil for lubrication, and the working temperature is 90 ℃.
Wherein, in the step of inputting lubrication mode and operating temperature as fixed operating mode parameters, inputting multiple groups of rotating speed data and torque data as variable operating mode parameters:
the variable working condition parameters comprise a first working condition, a second working condition and a third working condition; the rotating speed of the first working condition is 430r/min, and the torque is 72 Nm; the rotating speed of the second working condition is 156r/min, and the torque is 1900 Nm; the rotating speed of the third working condition is 480r/min, and the torque is 600 Nm.
Wherein, in the step of carrying out analysis test through the distribution model, the fixed working condition parameters and the variable working condition parameters to obtain a plurality of groups of service life parameters of the rear bearing and optimizing the stress distribution of the transfer case shafting:
the theory of Romax software analysis is based on the bearing life calculation method of ISO281 and TS16281 international standards.
Analyzing and testing the distribution model, the fixed working condition parameters and the variable working condition parameters to obtain a plurality of groups of service life parameters of the rear bearing, and optimizing the stress distribution of the transfer case shafting:
respectively bringing the variable working condition parameters into ISO281 and TS16281 international standards to analyze to obtain the service life of the rear bearing; the service life of the rear bearing under the first working condition is 5880h, the service life of the rear bearing under the second working condition is 3.8h, and the service life of the rear bearing under the third working condition is 826 h.
Analyzing the contact stress result of the roller and the raceway in the bearing by utilizing Romax software, and selecting a bearing material;
and evaluating the contact fatigue life and the life dispersion of different bearing steel materials, and analyzing the influence of the smelting quality of the bearing material on the performance and the life of the bearing, thereby selecting the bearing material.
The method comprises the following steps of obtaining bearing data of a front bearing and a rear bearing, and calculating the optimal matching amount of a bearing inner ring and a transfer case bearing according to the bearing data:
establishing a solid model of a main shaft system in geometric modeling software Proe/E, and simplifying the solid models of an input shaft and an output shaft; the bearing data includes a density of a bearing inner race material, a rotational angular velocity of the bearing, an elastic modulus of the bearing inner race material, an inner race radius of the bearing, an outer race radius of the bearing, an operating temperature, a frictional heat, and a lubricant viscosity.
The method comprises the following steps of obtaining bearing data of a front bearing and a rear bearing, and calculating the optimal matching amount of a bearing inner ring and a transfer case bearing according to the bearing data:
calculating a steady-state temperature field of the bearing according to the working temperature, the friction heat and the viscosity of the lubricant of the bearing, calculating an iteration initial value of the bearing according to the density of a material of an inner ring of the bearing, the rotational angular velocity of the bearing, the elastic modulus of the material of the inner ring of the bearing, the radius of the inner ring of the bearing and the radius of an outer ring of the bearing, and substituting the steady-state temperature field and the iteration initial value into Proe/E to establish a solid model of a main shaft system to obtain the optimal matching amount.
The invention relates to a design method of optimal matching parameters of a gearbox bearing, which is characterized in that a distribution model of a shaft system and a bearing is established by utilizing Romax software, and an input shaft and an output shaft adopt crossed shaft systems; inputting a lubricating mode and working temperature as fixed working condition parameters, and inputting a plurality of groups of rotating speed data and torque data as variable working condition parameters; analyzing and testing the distribution model, the fixed working condition parameters and the variable working condition parameters to obtain a plurality of groups of service life parameters of the rear bearing and optimize the stress distribution of the transfer case shafting; analyzing the contact stress result of the roller and the raceway in the bearing by utilizing Romax software, and selecting a bearing material; obtaining bearing data of a front bearing and a rear bearing, calculating the optimal matching amount of a bearing inner ring and a transfer case bearing according to the bearing data, optimizing the stress distribution of a transfer case shafting, adjusting the positions of a gear and the bearing and the gear structure, reasonably distributing the bearing of the front bearing and the rear bearing, and changing the size model or the internal structural parameters of the rear bearing to ensure that the rear bearing has higher axial bearing capacity, thereby prolonging the service life of the bearing; the problem caused by the fact that the traditional method utilizes experience to determine the matching amount of the bearing is avoided, and the design of the matching parameters of the bearing is more reasonable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a flowchart of steps of a method for designing optimal matching parameters of a bearing of a distribution box according to the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present invention and should not be construed as limiting the present invention.
Referring to fig. 1, the present invention provides a method for designing optimal matching parameters of a bearing of a transmission case, comprising the following steps:
s1: establishing a distribution model of a shafting and a bearing by utilizing Romax software, wherein an input shaft and an output shaft adopt crossed shafting;
s2: inputting a lubricating mode and working temperature as fixed working condition parameters, and inputting a plurality of groups of rotating speed data and torque data as variable working condition parameters;
s3: analyzing and testing the distribution model, the fixed working condition parameters and the variable working condition parameters to obtain a plurality of groups of service life parameters of the rear bearing and optimize the stress distribution of the transfer case shafting;
s4: analyzing the contact stress result of the roller and the raceway in the bearing by utilizing Romax software, and selecting a bearing material;
s5: and obtaining bearing data of the front bearing and the rear bearing, and calculating the optimal matching amount of the bearing inner ring and the transfer case bearing according to the bearing data.
In step S1, a Romax software is used to establish a distribution model of shafting and bearings, the input shaft and the output shaft adopt crossed shafting, the transmission mode between the input shaft and the output shaft adopts spiral bevel gear transmission, and the front support bearing and the rear support bearing of the input shaft both adopt transfer conventional tapered roller bearings; the rear support bearing of the output shaft adopts an 32909 standard structure bearing, and is a volatile gear, so that the experiment speed is accelerated.
In step S2, inputting a lubrication mode and a working temperature as fixed working condition parameters, and inputting multiple groups of rotating speed data and torque data as variable working condition parameters, wherein the lubrication mode adopts 90W gearbox oil for lubrication, and the working temperature is 90 ℃; applying torque load from the left side of the input shaft, respectively inputting three groups of rotating speed data and torque data, and respectively simulating three working conditions; the first working condition is that the rotating speed is 430r/min, the torque is 72Nm, the second working condition is that the rotating speed is 156r/min, the torque is 1900Nm, and the third working condition is that the rotating speed is 480r/min and the torque is 600 Nm.
In step S3, analysis and test are performed through the distribution model, the fixed operating condition parameters, and the variable operating condition parameters to obtain multiple sets of life parameters of the rear bearing, optimize the stress distribution of the transfer case shafting, and from the summary result of the overall life of the bearing, the front bearing can meet the requirements of the test operating conditions; the service life of the rear bearing is short, and the requirement of the test life of 600h cannot be met. Firstly, the simulation of the test working condition cannot completely represent the actual operation working condition of the vehicle, and the test working condition is often designed to be conservative, so that the failure probability of the bearing is unlikely to be analyzed in the use process;
secondly, the theoretical basis of the analysis of the Romax software is a bearing life calculation method based on ISO281 and TS16281 international standards, and the following can be obtained under the ISO281 standards: the service life of the rear bearing is 31h, and the service life of the front bearing is 1462 h; under the standard of TS 16281: the service life of the rear bearing is 51h, and the service life of the front bearing is 1717 h; the analysis result side surface reflects the risk that the rear bearing of the transfer case is in fatigue failure in the actual running and working process of the vehicle;
the three working conditions are brought into software to be analyzed to obtain the service life of the rear bearing, under the ISO281 standard, the service life of the first working condition is 1880h, the service life of the second working condition is 3.8h, and the service life of the third working condition is 178 h; under the standard of TS16281, the service life of the first working condition is 5880h, the second working condition is 3.8h, and the third working condition is 826 h; the bearing only has the capacity of bearing the weight of the shaft and providing rotation, and does not directly bear torque, so that the stress of the shaft system caused by the input torque is a main reason that the rear bearing cannot meet the requirement.
In step S4, the Romax software is used for analyzing the contact stress result of the roller and the raceway in the bearing, bearing materials are selected, the contact fatigue life and the life dispersion of different bearing steel materials are evaluated according to the specified of GB/T4662 rolling bearing rated static load and the rated static load stress result of the tapered roller bearing, the influence of the smelting quality of the bearing materials on the bearing performance and the bearing life is analyzed, and materials with excellent performance are selected.
In step S5, a solid model of the spindle system is established in the geometric modeling software Proe/E, model simplification is performed on the solid models of the input shaft and the output shaft, steps smaller than 1mm are deleted, threads and threaded holes on the output shaft and the input shaft are deleted, and chamfers and fillets are deleted; respectively obtaining bearing data of a front bearing and a rear bearing, and calculating the optimal matching amount of a bearing inner ring and a transfer case bearing according to the bearing data; the bearing data comprises the density of a bearing inner ring material, the rotation angular velocity of a bearing, the elastic modulus of the bearing inner ring material, the inner ring radius of the bearing, the outer ring radius of the bearing, the working temperature, the friction heat and the viscosity of a lubricant, and the influence of the centrifugal expansion of the bearing and the bearing inner ring is considered through a formula:
performing a calculation of where 1 For an iteration initial value, rho is the density of the material of the bearing inner ring, omega is the angular velocity of rotation of the bearing, E is the elastic modulus of the material of the bearing inner ring, and r 1 Is the radius of the inner ring of the bearing, r 2 The radius of the outer ring of the bearing; and calculating a steady-state temperature field of the bearing according to the working temperature, the friction heat and the lubricant viscosity of the bearing, substituting the steady-state temperature field and the iteration initial value into Proe/E to establish a solid model of the spindle system, and obtaining the optimal matching amount.
Establishing a distribution model of a shafting and a bearing by utilizing Romax software, wherein an input shaft and an output shaft adopt crossed shafting; inputting a lubricating mode and working temperature as fixed working condition parameters, and inputting a plurality of groups of rotating speed data and torque data as variable working condition parameters; analyzing and testing the distribution model, the fixed working condition parameters and the variable working condition parameters to obtain a plurality of groups of service life parameters of the rear bearing and optimize the stress distribution of the transfer case shafting; analyzing the contact stress result of the roller and the raceway in the bearing by utilizing Romax software, and selecting a bearing material; the method comprises the steps of obtaining bearing data of a front bearing and a rear bearing, calculating the optimal matching amount of a bearing inner ring and a transfer case bearing according to the bearing data, optimizing the stress distribution of a transfer case shafting, adjusting the positions of a gear and the bearing and the gear structure, reasonably distributing the bearing of the front bearing and the rear bearing, and changing the size model or the internal structural parameters of the rear bearing, so that the rear bearing has higher axial bearing capacity, and the service life of the bearing is prolonged; the problem caused by the fact that the traditional method utilizes experience to determine the matching amount of the bearing is solved, and the design of the matching parameters of the bearing is more reasonable.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (8)
1. A method for designing optimal matching parameters of a bearing of a gearbox is characterized by comprising the following steps:
establishing a distribution model of a shaft system and a bearing by utilizing Romax software, wherein an input shaft and an output shaft adopt crossed shaft systems;
inputting a lubricating mode and a working temperature as fixed working condition parameters, and inputting a plurality of groups of rotating speed data and torque data as variable working condition parameters;
analyzing and testing the distribution model, the fixed working condition parameters and the variable working condition parameters to obtain multiple groups of service life parameters of the rear bearing and optimize the stress distribution of a transfer case shafting;
analyzing the contact stress result of the roller and the raceway in the bearing by utilizing Romax software, and selecting a bearing material;
obtaining bearing data of a front bearing and a rear bearing, establishing a solid model of a main shaft system in geometric modeling software Proe/E, and simplifying the models of the solid models of an input shaft and an output shaft; the bearing data comprises the density of a bearing inner ring material, the rotation angular velocity of the bearing, the elastic modulus of the bearing inner ring material, the inner ring radius of the bearing, the outer ring radius of the bearing, the working temperature, the frictional heat and the viscosity of a lubricant;
calculating the optimal matching amount of the bearing inner ring and the transfer case bearing according to the bearing data, calculating a steady-state temperature field of the bearing according to the working temperature, the friction heat and the lubricant viscosity of the bearing, calculating an iteration initial value of the bearing according to the density of a bearing inner ring material, the rotation angular velocity of the bearing, the elastic modulus of the bearing inner ring material, the inner ring radius of the bearing and the outer ring radius of the bearing, and substituting the steady-state temperature field and the iteration initial value into Proe/E to establish a solid model of a main shaft system to obtain the optimal matching amount.
2. The method for designing the optimal matching parameters of the bearings of the gearbox as claimed in claim 1, wherein in the step of establishing a distribution model of shafting and bearings by using Romax software, and adopting cross shafting for the input shaft and the output shaft:
the transmission mode between the input shaft and the output shaft adopts spiral bevel gear transmission, and the front support bearing and the rear support bearing of the input shaft both adopt transfer conventional tapered roller bearings.
3. The method for designing the optimal matching parameters of the bearings of the gearbox as claimed in claim 2, wherein in the step of establishing a distribution model of shafting and bearings by using Romax software, and adopting a cross shafting for an input shaft and an output shaft:
the rear support bearing of the output shaft adopts 32909 standard type structure bearing.
4. The method for designing optimal matching parameters of a gearbox bearing according to claim 3, wherein in the step of inputting the lubrication mode and the working temperature as fixed working condition parameters and inputting a plurality of groups of rotating speed data and torque data as variable working condition parameters:
the lubrication mode adopts 90W gearbox oil for lubrication, and the working temperature is 90 ℃.
5. The method for designing optimal matching parameters of a gearbox bearing according to claim 3, wherein in the step of inputting the lubrication mode and the working temperature as fixed working condition parameters and inputting a plurality of groups of rotating speed data and torque data as variable working condition parameters:
the variable working condition parameters comprise a first working condition, a second working condition and a third working condition; the rotating speed of the first working condition is 430r/min, and the torque is 72 Nm; the rotating speed of the second working condition is 156r/min, and the torque is 1900 Nm; the rotating speed of the third working condition is 480r/min, and the torque is 600 Nm.
6. The method for designing optimal matching parameters of the bearings of the transfer case as claimed in claim 5, wherein in the step of obtaining multiple groups of service life parameters of the rear bearing and optimizing the stress distribution of the shafting of the transfer case by analyzing and testing the distribution model, the fixed working condition parameters and the variable working condition parameters:
the theory of Romax software analysis is based on the bearing life calculation method of ISO281 and TS16281 international standards.
7. The method for designing optimal matching parameters of the bearings of the transfer case as claimed in claim 6, wherein in the step of obtaining multiple groups of service life parameters of the rear bearing and optimizing the stress distribution of the shafting of the transfer case by analyzing and testing the distribution model, the fixed working condition parameters and the variable working condition parameters:
respectively bringing the variable working condition parameters into ISO281 and TS16281 international standards to analyze to obtain the service life of the rear bearing; the service life of the rear bearing under the first working condition is 5880h, the service life of the rear bearing under the second working condition is 3.8h, and the service life of the rear bearing under the third working condition is 826 h.
8. The method for designing the optimal matching parameters of the bearing of the gearbox as recited in claim 7, wherein in the step of analyzing the contact stress result of the roller and the raceway in the bearing by utilizing Romax software, the bearing material is selected;
and evaluating the contact fatigue life and the life dispersion of different bearing steel materials, and analyzing the influence of the smelting quality of the bearing material on the performance and the life of the bearing, thereby selecting the bearing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210006311.3A CN114297806B (en) | 2022-01-05 | 2022-01-05 | Method for designing optimal matching parameters of bearing of distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210006311.3A CN114297806B (en) | 2022-01-05 | 2022-01-05 | Method for designing optimal matching parameters of bearing of distribution box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114297806A CN114297806A (en) | 2022-04-08 |
| CN114297806B true CN114297806B (en) | 2022-09-23 |
Family
ID=80975688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210006311.3A Active CN114297806B (en) | 2022-01-05 | 2022-01-05 | Method for designing optimal matching parameters of bearing of distribution box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114297806B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101672326A (en) * | 2009-09-08 | 2010-03-17 | 黄若 | Hybrid ceramic ball bearing on turbocharger and design method thereof |
| WO2013160054A1 (en) * | 2012-04-24 | 2013-10-31 | Aktiebolaget Skf | Bearing monitoring method and system |
| CN107590311A (en) * | 2017-08-08 | 2018-01-16 | 明阳智慧能源集团股份公司 | A kind of planetary drive gear-box Strength co-mputation integrated system |
| CN108061129A (en) * | 2016-11-08 | 2018-05-22 | 黑龙江恒能自控科技有限公司 | A kind of high-power Hardened gear face parallel shaft (speed) reducer design |
| CN109027017A (en) * | 2018-08-15 | 2018-12-18 | 重庆交通大学 | A kind of Space Rolling Bearing state of wear appraisal procedure |
| CN113530991A (en) * | 2021-06-30 | 2021-10-22 | 东风汽车零部件(集团)有限公司刃量具分公司 | Structure for shortening butt joint axial size of transfer case |
| CN113609608A (en) * | 2021-07-22 | 2021-11-05 | 上海工程技术大学 | Train traction motor bearing full life cycle management method based on digital twinning |
| CN215410064U (en) * | 2021-07-30 | 2022-01-04 | 成都嘉陵华西光学精密机械有限公司 | Bearing linkage structure of transmission part assembly |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201326645Y (en) * | 2008-01-28 | 2009-10-14 | 文鉴恒 | Taper roller bearing for bullet train developed through limit design and long life technique |
| CN104112043B (en) * | 2014-07-03 | 2017-02-15 | 西安交通大学 | Main shaft and bearing optimal cooperation parameter design method |
| CN113624494B (en) * | 2021-07-22 | 2024-05-10 | 江铃汽车股份有限公司 | Device and method for analyzing and testing service life of hub bearing of drive axle under turning condition |
-
2022
- 2022-01-05 CN CN202210006311.3A patent/CN114297806B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101672326A (en) * | 2009-09-08 | 2010-03-17 | 黄若 | Hybrid ceramic ball bearing on turbocharger and design method thereof |
| WO2013160054A1 (en) * | 2012-04-24 | 2013-10-31 | Aktiebolaget Skf | Bearing monitoring method and system |
| CN108061129A (en) * | 2016-11-08 | 2018-05-22 | 黑龙江恒能自控科技有限公司 | A kind of high-power Hardened gear face parallel shaft (speed) reducer design |
| CN107590311A (en) * | 2017-08-08 | 2018-01-16 | 明阳智慧能源集团股份公司 | A kind of planetary drive gear-box Strength co-mputation integrated system |
| CN109027017A (en) * | 2018-08-15 | 2018-12-18 | 重庆交通大学 | A kind of Space Rolling Bearing state of wear appraisal procedure |
| CN113530991A (en) * | 2021-06-30 | 2021-10-22 | 东风汽车零部件(集团)有限公司刃量具分公司 | Structure for shortening butt joint axial size of transfer case |
| CN113609608A (en) * | 2021-07-22 | 2021-11-05 | 上海工程技术大学 | Train traction motor bearing full life cycle management method based on digital twinning |
| CN215410064U (en) * | 2021-07-30 | 2022-01-04 | 成都嘉陵华西光学精密机械有限公司 | Bearing linkage structure of transmission part assembly |
Non-Patent Citations (8)
| Title |
|---|
| Deep residual networks with adaptively parametric rectifier linear units for fault diagnosis;Minghang Zhao;《IEEE transactions on industrial electronics》;20210331;第68卷(第3期);全文 * |
| Optimal design of traction gear modification of high-speed EMU based on radial basis function neural network;Zhaoping Tang;《IEEE Acess》;20200602;全文 * |
| 基于Romax的2.5MW风电齿轮箱疲劳寿命分析;吴建伟;《机械传动》;20180608;第41卷(第12期);全文 * |
| 基于优化支持向量机的空间滚动轴承寿命预测方法研究;董绍江;《中国博士学位论文全文数据库工程科技Ⅱ辑》;20130515;全文 * |
| 基于可靠性机械传动铰接车分动箱设计分析;张鉴隆等;《机械设计与制造》;20180908(第09期);全文 * |
| 基于拖拉机变速箱的传动***优化策略分析;孙艳芬;《农机化研究》;20180401(第04期);全文 * |
| 基于改进卷积神经网络的滚动轴承故障诊断;蒙志强;《组合机床与自动化加工技术》;20200220;全文 * |
| 铰接式履带车分动箱-差速器的强度刚度分析;任成杰;《工程机械》;20200522;第51卷(第4期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114297806A (en) | 2022-04-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Hong et al. | Rolling-element bearing modeling: A review | |
| JP5473814B2 (en) | Dynamic stress analysis method and analysis system for bearing cage | |
| Liu et al. | Dynamic stability analysis of cages in high-speed oil-lubricated angular contact ball bearings | |
| Brizmer et al. | An experimental and theoretical study of hybrid bearing micropitting performance under reduced lubrication | |
| Wang et al. | A comprehensive study on dynamic performance of ball bearing considering bearing deformations and ball-inner raceway separation | |
| Talbot et al. | Development and validation of an automotive axle power loss model | |
| CN114297806B (en) | Method for designing optimal matching parameters of bearing of distribution box | |
| Liu et al. | Effects of defect on roller-raceway contact state and friction torque of tapered roller bearings | |
| Li et al. | Modeling and analysis of the composite stiffness for angular contact ball bearings | |
| Conley et al. | Impact of whirl and axial motion on ball bearing turbocharger dynamics | |
| Cheng et al. | Effect of boundary position and defect shape on the mechanical properties of ball bearings | |
| Machado et al. | Analytical loss model for single-and two-speed electric vehicle gearboxes | |
| Zverev et al. | Simulation of spindle units running on rolling bearings | |
| Thamaraiselvan et al. | Design and development of reliable integral shaft bearing for water pump in automotive engine to reduce assemble time and increase production | |
| Xiao et al. | LS-DYNA-based simulation and multiple influencing factors analysis on skidding phenomenon of cylindrical roller bearing | |
| Asano | Recent development in numerical analysis of rolling bearings basic technology series of bearings | |
| KR102633463B1 (en) | Test method for large fluid lubricated bearing | |
| Wolf | The Rolling Bearing in the Electrified Power Train—Requirements and Solutions | |
| CN117989231B (en) | Double-row ball bearing and radiator fan | |
| Gu et al. | Analysis of bearing failures in a typical high-power marine gearbox | |
| dos Santos et al. | Dynamic Characteristics of a 5-kN Thrust Gas Turbine Front Bearing Composed of a Vibration Absorber Element and Deep Groove Ball Bearing | |
| Xia et al. | Based on ANSYS crown tapered rolling bearings dynamics simulation analysis | |
| CN117054086A (en) | Method for judging feasibility of oil mist lubrication of engine transmission bearing | |
| CN219605850U (en) | Ball bearing for turbocharger | |
| Zhao et al. | Thermal coupling analysis of axlebox bearing in high speed EMU |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |