Durability analysis method and system for high-durability rubber support
By obtaining rubber microscopic information and environmental information, calculating the impact of stress and environment on rubber bearings, the problem of lack of durability analysis methods in the existing technology is solved, and the effect of scientific evaluation of the durability of high-durability rubber bearings is achieved. .
Patent Information
- Application Number
- CN202411211197.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-30
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2044-08-30
AI Technical Summary
The prior art lacks a durability analysis method for high-durability rubber bearings, and its durability cannot be effectively evaluated.
By obtaining rubber microscopic information and environmental information, setting up microscopic structural deformation impact model and environmental factor impact model, calculating the impact of stress and environment on rubber bearings, and weighted averages to obtain the final durability analysis results.
Provides methods to scientifically evaluate the durability of high-durability rubber bearings to help R&D personnel understand their performance and potential issues, thereby supporting the iterative development and safety of product use.
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Figure CN119514112A_ABST
Abstract
Description
Technical Field
[0001] The present invention belongs to the technical field of durability analysis, and more specifically, relates to a durability analysis method and system for a high-durability rubber bearing. Background Art
[0002] "Application number: 2024213252090, invention name: A high-durability rubber bearing" discloses a high-durability rubber bearing, including an upper steel plate and a lower steel plate, a rubber body disposed between the upper steel plate and the lower steel plate, and an embedded steel plate disposed in the rubber body; the upper steel plate and the lower steel plate are relatively parallel and coaxially disposed in the vertical direction; the embedded steel plate includes a longitudinal steel plate, a transverse steel plate and a plane steel plate, and the longitudinal steel plate and the transverse steel plate are staggered and parallel. When the rubber bearing is displaced, the displacement is dispersed to the plane where all the steel plates of the rubber bearing are located, so as to avoid excessive displacement of the rubber bearing locally, which exceeds the recovery limit of the rubber and makes the recovery performance of the bearing invalid. In addition, when facing a large displacement of the bridge, the displacement of the rubber bearing is limited to prevent the bearing from slipping due to excessive displacement, or even causing the beam to fall, thereby enhancing the safety and stability of the bearing.
[0003] However, there is currently no targeted durability analysis method. Summary of the invention
[0004] In order to solve the above technical problems, the present invention proposes a durability analysis method for a high-durability rubber bearing, comprising:
[0005] Acquiring rubber microscopic information and environmental information of the high-durability rubber bearing, wherein the rubber microscopic information includes: chain length, chain number, chain rotation angle and chain relaxation time of chain molecules constituting the rubber microstructure, and the environmental information includes: temperature and humidity;
[0006] Setting a microstructure deformation influence model, and calculating the durability of the high-durability rubber bearing affected by stress according to the rubber microscopic information, setting an environmental factor influence model, and calculating the durability of the high-durability rubber bearing affected by the environment according to the environmental information;
[0007] The durability affected by stress and the durability affected by environment are weighted averaged to obtain the final durability to complete the durability analysis.
[0008] Furthermore, the microstructure deformation influence model includes:
[0009]
[0010] Wherein, σ(t) is the durability of the high-durability rubber bearing affected by the stress at time t, k1 is the first adjustment factor of the stress index, n is the number of chains, l i (t) is the length of the i-th chain at time t, l0 is the initial length of the chain, k2 is the second adjustment factor of the stress index, θ i is the rotation angle of the i-th chain, k3 is the third adjustment factor of the stress index, ε(τ) is the strain of the high-durability rubber bearing at time τ, τ r is the chain relaxation time.
[0011] Furthermore, ε(τ) is the strain of the high-durability rubber bearing at time τ, including:
[0012]
[0013] Among them, σ xx is the stress in the x-axis direction at the position x of the high-durability rubber bearing, E(T(x)) is the elastic modulus at the temperature T(x) at the position x of the high-durability rubber bearing, γ is the first adjustment factor of temperature, σ yy is the stress in the y-axis direction at the position x of the high-durability rubber bearing, δ is the second adjustment factor of temperature, σ zz is the stress in the z-axis direction at the position x of the high-durability rubber bearing, η is the third adjustment factor of temperature, α is the fourth adjustment factor of temperature, is the temperature gradient at position x of the high-durability rubber bearing, β is the fifth adjustment factor of temperature, k is the adjustment factor of stress in the x-axis direction, λ is the adjustment factor of stress in the y-axis direction, and μ is the adjustment factor of stress in the z-axis direction.
[0014] Furthermore, the environmental factor impact model includes:
[0015]
[0016] Among them, D env (t) is the durability of the high-durability rubber bearing under the influence of the environment at time t, D0 is the initial durability, β′ is the first humidity adjustment factor, H(x) is the humidity at position x of the high-durability rubber bearing, δ′ is the second humidity adjustment factor, γ H is the third humidity adjustment factor, ζ is the fourth humidity adjustment factor, is the humidity gradient at the position x of the high-durability rubber bearing, η′ is the fifth humidity adjustment factor, θ′ is the sixth humidity adjustment factor, and ι is the seventh humidity adjustment factor.
[0017] Furthermore, all adjustment factors are fitted by gradient descent method or ant colony algorithm.
[0018] Furthermore, the durability affected by stress and the durability affected by environment are normalized to between (0, 1).
[0019] The present invention also provides a durability analysis system for a high-durability rubber bearing, comprising:
[0020] An information acquisition module is used to acquire the rubber microscopic information and environmental information of the high-durability rubber bearing, wherein the rubber microscopic information includes: the chain length, the number of chains, the chain rotation angle and the chain relaxation time of the chain molecules constituting the rubber microstructure, and the environmental information includes: temperature and humidity;
[0021] Setting a model module, used to set a microstructure deformation influence model, and calculate the durability of the high-durability rubber bearing affected by the stress according to the rubber microscopic information, setting the environmental factor influence model, and calculating the durability of the high-durability rubber bearing affected by the environment according to the environmental information;
[0022] The analysis module is used to perform a weighted average of the durability affected by the stress and the durability affected by the environment to obtain the final durability so as to complete the durability analysis.
[0023] Furthermore, the microstructure deformation influence model includes:
[0024]
[0025] Wherein, σ(t) is the durability of the high-durability rubber bearing affected by the stress at time t, k1 is the first adjustment factor of the stress index, n is the number of chains, l i (t) is the length of the i-th chain at time t, l0 is the initial length of the chain, k2 is the second adjustment factor of the stress index, θ i is the rotation angle of the i-th chain, k3 is the third adjustment factor of the stress index, ε(τ) is the strain of the high-durability rubber bearing at time τ, τ r is the chain relaxation time.
[0026] Furthermore, ε(τ) is the strain of the high-durability rubber bearing at time τ, including:
[0027]
[0028] Among them, σ xx is the stress in the x-axis direction at the position x of the high-durability rubber bearing, E(T(x)) is the elastic modulus at the temperature T(x) at the position x of the high-durability rubber bearing, γ is the first adjustment factor of temperature, σ yyis the stress in the y-axis direction at the position x of the high-durability rubber bearing, δ is the second adjustment factor of temperature, σ zz is the stress in the z-axis direction at the position x of the high-durability rubber bearing, η is the third adjustment factor of temperature, α is the fourth adjustment factor of temperature, is the temperature gradient at position x of the high-durability rubber bearing, β is the fifth adjustment factor of temperature, k is the adjustment factor of stress in the x-axis direction, λ is the adjustment factor of stress in the y-axis direction, and μ is the adjustment factor of stress in the z-axis direction.
[0029] Furthermore, the environmental factor impact model includes:
[0030]
[0031] Among them, D env (t) is the durability of the high-durability rubber bearing under the influence of the environment at time t, D0 is the initial durability, β′ is the first humidity adjustment factor, H(x) is the humidity at position x of the high-durability rubber bearing, δ′ is the second humidity adjustment factor, γ H is the third humidity adjustment factor, ζ is the fourth humidity adjustment factor, is the humidity gradient at the position x of the high-durability rubber bearing, η′ is the fifth humidity adjustment factor, θ′ is the sixth humidity adjustment factor, and ι is the seventh humidity adjustment factor.
[0032] In general, the above technical solution conceived by the present invention has the following beneficial effects compared with the prior art:
[0033] The present invention can perform durability analysis on a high-durability rubber bearing, thereby providing durability analysis data for R&D personnel and providing data support for product iterative development. BRIEF DESCRIPTION OF THE DRAWINGS
[0034] Figure 1 is a flow chart of the method of embodiment 1 of the present invention;
[0035] Figure 2 It is a structural diagram of the system of embodiment 2 of the present invention. DETAILED DESCRIPTION
[0036] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0037] The method provided by the present invention can be implemented in the following terminal environment, and the terminal may include one or more of the following components: a processor, a storage medium, and a display screen. The storage medium stores at least one instruction, and the instruction is loaded and executed by the processor to implement the method described in the following embodiment.
[0038] The processor may include one or more processing cores. The processor uses various interfaces and lines to connect various parts in the entire terminal, and executes various functions of the terminal and processes data by running or executing instructions, programs, code sets or instruction sets stored in the storage medium, and calling data stored in the storage medium.
[0039] The storage medium may include a random access memory (RAM) or a read-only memory (ROM). The storage medium may be used to store instructions, programs, codes, code sets or instructions.
[0040] The display screen is used to display the user interface of each application.
[0041] In addition, those skilled in the art can understand that the structure of the above terminal does not constitute a limitation on the terminal, and the terminal may include more or fewer components, or combine certain components, or arrange the components differently. For example, the terminal also includes components such as a radio frequency circuit, an input unit, a sensor, an audio circuit, and a power supply, which will not be described in detail here.
[0042] The present invention is directed to the durability analysis of “Application Number: 2024213252090, Invention Name: A High Durability Rubber Bearing”.
[0043] Example 1
[0044] like Figure 1 As shown, an embodiment of the present invention provides a durability analysis method for a high-durability rubber bearing, comprising:
[0045] Step 101, obtaining rubber microscopic information and environmental information of the high-durability rubber bearing, wherein the rubber microscopic information includes: chain length, chain number, chain rotation angle and chain relaxation time of chain molecules constituting the rubber microstructure, and the environmental information includes: temperature and humidity;
[0046] Step 102, setting a microstructure deformation influence model, and calculating the durability of the high-durability rubber bearing affected by the stress according to the rubber microscopic information, setting the environmental factor influence model, and calculating the durability of the high-durability rubber bearing affected by the environment according to the environmental information;
[0047] Specifically, the microstructure deformation influence model includes:
[0048]
[0049] Wherein, σ(t) is the durability of the high-durability rubber bearing affected by the stress at time t, k1 is the first adjustment factor of the stress index, n is the number of chains, l i (t) is the length of the i-th chain at time t, l0 is the initial length of the chain, k2 is the second adjustment factor of the stress index, θ i is the rotation angle of the i-th chain, k3 is the third adjustment factor of the stress index, ε(τ) is the strain of the high-durability rubber bearing at time τ, τ r is the chain relaxation time.
[0050] Specifically, ε(τ) is the strain of the high-durability rubber bearing at time τ, including:
[0051]
[0052] Among them, σ xx is the stress in the x-axis direction at the position x of the high-durability rubber bearing, E(T(x)) is the elastic modulus at the temperature T(x) at the position x of the high-durability rubber bearing, γ is the first adjustment factor of temperature, σ yy is the stress in the y-axis direction at the position x of the high-durability rubber bearing, δ is the second adjustment factor of temperature, σ zz is the stress in the z-axis direction at the position x of the high-durability rubber bearing, η is the third adjustment factor of temperature, α is the fourth adjustment factor of temperature, is the temperature gradient at position x of the high-durability rubber bearing, β is the fifth adjustment factor of temperature, k is the adjustment factor of stress in the x-axis direction, λ is the adjustment factor of stress in the y-axis direction, and μ is the adjustment factor of stress in the z-axis direction.
[0053] Specifically, the environmental factor impact model includes:
[0054]
[0055] Among them, D env (t) is the durability of the high-durability rubber bearing under the influence of the environment at time t, D0 is the initial durability, β′ is the first humidity adjustment factor, H(x) is the humidity at position x of the high-durability rubber bearing, δ′ is the second humidity adjustment factor, γ H is the third humidity adjustment factor, ζ is the fourth humidity adjustment factor, is the humidity gradient at the position x of the high-durability rubber bearing, η′ is the fifth humidity adjustment factor, θ′ is the sixth humidity adjustment factor, and ι is the seventh humidity adjustment factor.
[0056] Specifically, all adjustment factors are fitted by gradient descent method or ant colony algorithm.
[0057] Specifically, the durability affected by stress and the durability affected by environment are normalized to between (0, 1).
[0058] Step 103 , weighted average the durability affected by stress and the durability affected by environment to obtain final durability, so as to complete the durability analysis.
[0059] Example 2
[0060] like Figure 2 As shown, an embodiment of the present invention further provides a durability analysis system for a high-durability rubber bearing, comprising:
[0061] An information acquisition module is used to acquire the rubber microscopic information and environmental information of the high-durability rubber bearing, wherein the rubber microscopic information includes: the chain length, the number of chains, the chain rotation angle and the chain relaxation time of the chain molecules constituting the rubber microstructure, and the environmental information includes: temperature and humidity;
[0062] Setting a model module, used to set a microstructure deformation influence model, and calculate the durability of the high-durability rubber bearing affected by the stress according to the rubber microscopic information, setting the environmental factor influence model, and calculating the durability of the high-durability rubber bearing affected by the environment according to the environmental information;
[0063] Specifically, the microstructure deformation influence model includes:
[0064]
[0065] Wherein, σ(t) is the durability of the high-durability rubber bearing affected by the stress at time t, k1 is the first adjustment factor of the stress index, n is the number of chains, l i (t) is the length of the i-th chain at time t, l0 is the initial length of the chain, k2 is the second adjustment factor of the stress index, θ i is the rotation angle of the i-th chain, k3 is the third adjustment factor of the stress index, ε(τ) is the strain of the high-durability rubber bearing at time τ, τ r is the chain relaxation time.
[0066] Specifically, ε(τ) is the strain of the high-durability rubber bearing at time τ, including:
[0067]
[0068] Among them, σ xxis the stress in the x-axis direction at the position x of the high-durability rubber bearing, E(T(x)) is the elastic modulus at the temperature T(x) at the position x of the high-durability rubber bearing, γ is the first adjustment factor of temperature, σ yy is the stress in the y-axis direction at the position x of the high-durability rubber bearing, δ is the second adjustment factor of temperature, σ zz is the stress in the z-axis direction at the position x of the high-durability rubber bearing, η is the third adjustment factor of temperature, α is the fourth adjustment factor of temperature, is the temperature gradient at position x of the high-durability rubber bearing, β is the fifth adjustment factor of temperature, k is the adjustment factor of stress in the x-axis direction, λ is the adjustment factor of stress in the y-axis direction, and μ is the adjustment factor of stress in the z-axis direction.
[0069] Specifically, the environmental factor impact model includes:
[0070]
[0071] Among them, D env (t) is the durability of the high-durability rubber bearing under the influence of the environment at time t, D0 is the initial durability, β′ is the first humidity adjustment factor, H(x) is the humidity at position x of the high-durability rubber bearing, δ′ is the second humidity adjustment factor, γ H is the third humidity adjustment factor, ζ is the fourth humidity adjustment factor, is the humidity gradient at the position x of the high-durability rubber bearing, η′ is the fifth humidity adjustment factor, θ′ is the sixth humidity adjustment factor, and ι is the seventh humidity adjustment factor.
[0072] Specifically, all adjustment factors are fitted by gradient descent method or ant colony algorithm.
[0073] Specifically, the durability affected by stress and the durability affected by environment are normalized to between (0, 1).
[0074] The analysis module is used to perform a weighted average of the durability affected by the stress and the durability affected by the environment to obtain the final durability so as to complete the durability analysis.
[0075] Example 3
[0076] The embodiment of the present invention further provides a storage medium storing a plurality of instructions, wherein the instructions are used to implement the durability analysis method of the high-durability rubber bearing.
[0077] Optionally, in this embodiment, the above storage medium may be located in any computer terminal in a computer terminal group in a computer network, or in any mobile terminal in a mobile terminal group.
[0078] Optionally, in this embodiment, the storage medium is configured to store program codes for executing the following steps: Step 101, obtaining rubber microscopic information and environmental information of the high-durability rubber bearing, wherein the rubber microscopic information includes: chain length, chain number, chain rotation angle and chain relaxation time of chain molecules constituting the rubber microstructure, and the environmental information includes: temperature and humidity;
[0079] Step 102, setting a microstructure deformation influence model, and calculating the durability of the high-durability rubber bearing affected by the stress according to the rubber microscopic information, setting the environmental factor influence model, and calculating the durability of the high-durability rubber bearing affected by the environment according to the environmental information;
[0080] Specifically, the microstructure deformation influence model includes:
[0081]
[0082] Wherein, σ(t) is the durability of the high-durability rubber bearing affected by the stress at time t, k1 is the first adjustment factor of the stress index, n is the number of chains, l i (t) is the length of the i-th chain at time t, l0 is the initial length of the chain, k2 is the second adjustment factor of the stress index, θ i is the rotation angle of the i-th chain, k3 is the third adjustment factor of the stress index, ε(τ) is the strain of the high-durability rubber bearing at time τ, τ r is the chain relaxation time.
[0083] Specifically, ε(τ) is the strain of the high-durability rubber bearing at time τ, including:
[0084]
[0085] Among them, σ xx is the stress in the x-axis direction at the position x of the high-durability rubber bearing, E(T(x)) is the elastic modulus at the temperature T(x) at the position x of the high-durability rubber bearing, γ is the first adjustment factor of temperature, σ yy is the stress in the y-axis direction at the position x of the high-durability rubber bearing, δ is the second adjustment factor of temperature, σ zz is the stress in the z-axis direction at the position x of the high-durability rubber bearing, η is the third adjustment factor of temperature, α is the fourth adjustment factor of temperature, is the temperature gradient at position x of the high-durability rubber bearing, β is the fifth adjustment factor of temperature, k is the adjustment factor of stress in the x-axis direction, λ is the adjustment factor of stress in the y-axis direction, and μ is the adjustment factor of stress in the z-axis direction.
[0086] Specifically, the environmental factor impact model includes:
[0087]
[0088] Among them, D env (t) is the durability of the high-durability rubber bearing under the influence of the environment at time t, D0 is the initial durability, β′ is the first humidity adjustment factor, H(x) is the humidity at position x of the high-durability rubber bearing, δ′ is the second humidity adjustment factor, γ H is the third humidity adjustment factor, ζ is the fourth humidity adjustment factor, is the humidity gradient at the position x of the high-durability rubber bearing, η′ is the fifth humidity adjustment factor, θ′ is the sixth humidity adjustment factor, and ι is the seventh humidity adjustment factor.
[0089] Specifically, all adjustment factors are fitted by gradient descent method or ant colony algorithm.
[0090] Specifically, the durability affected by stress and the durability affected by environment are normalized to between (0, 1).
[0091] Step 103 , weighted average the durability affected by stress and the durability affected by environment to obtain final durability, so as to complete the durability analysis.
[0092] Example 4
[0093] An embodiment of the present invention also proposes an electronic device, including a processor and a storage medium connected to the processor, wherein the storage medium stores a plurality of instructions, and the instructions can be loaded and executed by the processor so that the processor can execute the durability analysis method of a high-durability rubber bearing.
[0094] Specifically, the electronic device of this embodiment may be a computer terminal, and the computer terminal may include: one or more processors, and a storage medium.
[0095] Among them, the storage medium can be used to store software programs and modules, such as the durability analysis method of a high-durability rubber bearing in the embodiment of the present invention, and the corresponding program instructions / modules. The processor executes various functional applications and data processing by running the software programs and modules stored in the storage medium, that is, realizing the above-mentioned durability analysis method of a high-durability rubber bearing. The storage medium may include high-speed random storage media, and may also include non-volatile storage media, such as one or more magnetic storage systems, flash memory, or other non-volatile solid-state storage media. In some instances, the storage medium may further include storage media remotely arranged relative to the processor, and these remote storage media may be connected to the terminal via a network. Examples of the above-mentioned network include, but are not limited to, the Internet, corporate intranets, local area networks, mobile communication networks, and combinations thereof.
[0096] The processor can call the information and application program stored in the storage medium through the transmission system to perform the following steps: Step 101, obtaining the rubber microscopic information and environmental information of the high-durability rubber bearing, wherein the rubber microscopic information includes: the chain length, the number of chains, the chain rotation angle and the chain relaxation time of the chain molecules constituting the rubber microstructure, and the environmental information includes: temperature and humidity;
[0097] Step 102, setting a microstructure deformation influence model, and calculating the durability of the high-durability rubber bearing affected by the stress according to the rubber microscopic information, setting the environmental factor influence model, and calculating the durability of the high-durability rubber bearing affected by the environment according to the environmental information;
[0098] Specifically, the microstructure deformation influence model includes:
[0099]
[0100] Wherein, σ(t) is the durability of the high-durability rubber bearing affected by the stress at time t, k1 is the first adjustment factor of the stress index, n is the number of chains, l i (t) is the length of the i-th chain at time t, l0 is the initial length of the chain, k2 is the second adjustment factor of the stress index, θ i is the rotation angle of the i-th chain, k3 is the third adjustment factor of the stress index, ε(τ) is the strain of the high-durability rubber bearing at time τ, τ r is the chain relaxation time.
[0101] Specifically, ε(τ) is the strain of the high-durability rubber bearing at time τ, including:
[0102]
[0103] Among them, σxx is the stress in the x-axis direction at the position x of the high-durability rubber bearing, E(T(x)) is the elastic modulus at the temperature T(x) at the position x of the high-durability rubber bearing, γ is the first adjustment factor of temperature, σ yy is the stress in the y-axis direction at the position x of the high-durability rubber bearing, δ is the second adjustment factor of temperature, σ zz is the stress in the z-axis direction at the position x of the high-durability rubber bearing, η is the third adjustment factor of temperature, α is the fourth adjustment factor of temperature, is the temperature gradient at position x of the high-durability rubber bearing, β is the fifth adjustment factor of temperature, k is the adjustment factor of stress in the x-axis direction, λ is the adjustment factor of stress in the y-axis direction, and μ is the adjustment factor of stress in the z-axis direction.
[0104] Specifically, the environmental factor impact model includes:
[0105]
[0106] Among them, D env (t) is the durability of the high-durability rubber bearing under the influence of the environment at time t, D0 is the initial durability, β′ is the first humidity adjustment factor, H(x) is the humidity at position x of the high-durability rubber bearing, δ′ is the second humidity adjustment factor, γ H is the third humidity adjustment factor, ζ is the fourth humidity adjustment factor, is the humidity gradient at the position x of the high-durability rubber bearing, η′ is the fifth humidity adjustment factor, θ′ is the sixth humidity adjustment factor, and ι is the seventh humidity adjustment factor.
[0107] Specifically, all adjustment factors are fitted by gradient descent method or ant colony algorithm.
[0108] Specifically, the durability affected by stress and the durability affected by environment are normalized to between (0, 1).
[0109] Step 103 , weighted average the durability affected by stress and the durability affected by environment to obtain final durability, so as to complete the durability analysis.
[0110] The serial numbers of the above embodiments of the present invention are only for description and do not represent the advantages or disadvantages of the embodiments.
[0111] In the above embodiments of the present invention, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.
[0112] In the several embodiments provided by the present invention, it should be understood that the disclosed technical content can be implemented in other ways. Among them, the system embodiments described above are only schematic. For example, the division of the units is only a logical function division. There may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of units or modules, which can be electrical or other forms.
[0113] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
[0114] In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.
[0115] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention, or the part that contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including a number of instructions for a computer device (which can be a personal computer, a server or a network device, etc.) to perform all or part of the steps of the method described in each embodiment of the present invention. The aforementioned storage medium includes: U disk, read-only storage medium (ROM, Read-Only Memory), random access storage medium (RAM, Random Access Memory), mobile hard disk, magnetic disk or optical disk and other media that can store program codes.
[0116] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention.
Claims
1. A durability analysis method for a high-durability rubber bearing, characterized in that: include: Acquiring rubber microscopic information and environmental information of the high-durability rubber bearing, wherein the rubber microscopic information includes: chain length, chain number, chain rotation angle and chain relaxation time of chain molecules constituting the rubber microstructure, and the environmental information includes: temperature and humidity; Setting a microstructure deformation influence model, and calculating the durability of the high-durability rubber bearing affected by stress according to the rubber microscopic information, setting an environmental factor influence model, and calculating the durability of the high-durability rubber bearing affected by the environment according to the environmental information; The durability affected by stress and the durability affected by environment are weighted averaged to obtain the final durability to complete the durability analysis.
2. The durability analysis method of a high-durability rubber bearing according to claim 1, characterized in that: The microstructure deformation influence model includes: Wherein, σ(t) is the durability of the high-durability rubber bearing affected by the stress at time t, k1 is the first adjustment factor of the stress index, n is the number of chains, l i (t) is the length of the i-th chain at time t, l0 is the initial length of the chain, k2 is the second adjustment factor of the stress index, θ i is the rotation angle of the i-th chain, k3 is the third adjustment factor of the stress index, ε(τ) is the strain of the high-durability rubber bearing at time τ, τ r is the chain relaxation time.
3. The durability analysis method of a high-durability rubber bearing according to claim 2, characterized in that: ε(τ) is the strain of the high-durability rubber bearing at time τ, including: Among them, σ xx is the stress in the x-axis direction at the position x of the high-durability rubber bearing, E(T(x)) is the elastic modulus at the temperature T(x) at the position x of the high-durability rubber bearing, γ is the first adjustment factor of temperature, σ yy is the stress in the y-axis direction at the position x of the high-durability rubber bearing, δ is the second adjustment factor of temperature, σ zz is the stress in the z-axis direction at the position x of the high-durability rubber bearing, η is the third adjustment factor of temperature, α is the fourth adjustment factor of temperature, is the temperature gradient at position x of the high-durability rubber bearing, β is the fifth adjustment factor of temperature, k is the adjustment factor of stress in the x-axis direction, λ is the adjustment factor of stress in the y-axis direction, and μ is the adjustment factor of stress in the z-axis direction.
4. The durability analysis method of a high-durability rubber bearing according to claim 3, characterized in that: The environmental factors impact model includes: Among them, D env (t) is the durability of the high-durability rubber bearing under the influence of the environment at time t, D0 is the initial durability, β′ is the first humidity adjustment factor, H(x) is the humidity at position x of the high-durability rubber bearing, δ′ is the second humidity adjustment factor, γ H is the third humidity adjustment factor, ζ is the fourth humidity adjustment factor, is the humidity gradient at the position x of the high-durability rubber bearing, η′ is the fifth humidity adjustment factor, θ′ is the sixth humidity adjustment factor, and ι is the seventh humidity adjustment factor.
5. The durability analysis method of a high-durability rubber bearing according to claim 4, characterized in that: All adjustment factors are fitted by gradient descent method or ant colony algorithm.
6. The durability analysis method of a high-durability rubber bearing according to claim 1, characterized in that: The durability affected by stress and the durability affected by environment are normalized to between (0, 1).
7. A durability analysis system for a high-durability rubber bearing, characterized in that: include: An information acquisition module is used to acquire the rubber microscopic information and environmental information of the high-durability rubber bearing, wherein the rubber microscopic information includes: the chain length, the number of chains, the chain rotation angle and the chain relaxation time of the chain molecules constituting the rubber microstructure, and the environmental information includes: temperature and humidity; Setting a model module, used to set a microstructure deformation influence model, and calculate the durability of the high-durability rubber bearing affected by the stress according to the rubber microscopic information, setting the environmental factor influence model, and calculating the durability of the high-durability rubber bearing affected by the environment according to the environmental information; The analysis module is used to perform a weighted average of the durability affected by the stress and the durability affected by the environment to obtain the final durability so as to complete the durability analysis.
8. A durability analysis system for a high-durability rubber bearing as claimed in claim 7, characterized in that: The microstructure deformation influence model includes: Wherein, σ(t) is the durability of the high-durability rubber bearing affected by the stress at time t, k1 is the first adjustment factor of the stress index, n is the number of chains, l i (t) is the length of the i-th chain at time t, l0 is the initial length of the chain, k2 is the second adjustment factor of the stress index, θ i is the rotation angle of the i-th chain, k3 is the third adjustment factor of the stress index, ε(τ) is the strain of the high-durability rubber bearing at time τ, τ r is the chain relaxation time.
9. A durability analysis system for a high-durability rubber bearing as claimed in claim 8, characterized in that: ε(τ) is the strain of the high-durability rubber bearing at time τ, including: Among them, σ xx is the stress in the x-axis direction at the position x of the high-durability rubber bearing, E(T(x)) is the elastic modulus at the temperature T(x) at the position x of the high-durability rubber bearing, γ is the first adjustment factor of temperature, σ yy is the stress in the y-axis direction at the position x of the high-durability rubber bearing, δ is the second adjustment factor of temperature, σ zz is the stress in the z-axis direction at the position x of the high-durability rubber bearing, η is the third adjustment factor of temperature, α is the fourth adjustment factor of temperature, is the temperature gradient at position x of the high-durability rubber bearing, β is the fifth adjustment factor of temperature, k is the adjustment factor of stress in the x-axis direction, λ is the adjustment factor of stress in the y-axis direction, and μ is the adjustment factor of stress in the z-axis direction.
10. A durability analysis system for a high-durability rubber bearing as claimed in claim 9, characterized in that: The environmental factors impact model includes: Among them, D env (t) is the durability of the high-durability rubber bearing under the influence of the environment at time t, D0 is the initial durability, β′ is the first humidity adjustment factor, H(x) is the humidity at position x of the high-durability rubber bearing, δ′ is the second humidity adjustment factor, γ H is the third humidity adjustment factor, ζ is the fourth humidity adjustment factor, is the humidity gradient at the position x of the high-durability rubber bearing, η′ is the fifth humidity adjustment factor, θ′ is the sixth humidity adjustment factor, and ι is the seventh humidity adjustment factor.
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