Strain clamp crimping process optimization method and device based on finite element simulation

A tension clamp, process optimization technology, applied in design optimization/simulation, special data processing applications, instruments, etc., can solve the problems of large residual stress of tension clamp and lack of targeted optimization, and achieve residual stress optimization, Reduce the possibility of fracture failure, highly targeted effect

Active Publication Date: 2021-12-10
STATE GRID SICHUAN ELECTRIC POWER CORP ELECTRIC POWER RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem of large residual stress of tension clamp and the lack of targeted optimization proposed in the prior art, the present invention provides a method for optimizing the crimping process of tension clamp based on finite element simulation

Method used

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  • Strain clamp crimping process optimization method and device based on finite element simulation
  • Strain clamp crimping process optimization method and device based on finite element simulation
  • Strain clamp crimping process optimization method and device based on finite element simulation

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Embodiment

[0051] In the power transmission system, the strain clamp is very important. However, the plastic deformation of the existing strain clamp during the crimping process of the aluminum tube and the steel anchor is easy to generate residual stress, which brings safety hazards to the operation of the power system. Therefore, this embodiment provides a method for optimizing the crimping process of strain clamps based on finite element simulation. This embodiment obtains the distribution of residual stress by modeling and simulating the strain clamps, and performs the process by improving the mold model. optimization.

[0052] Specific as figure 1 As shown, the method of the present embodiment includes the following steps:

[0053] In step 101, the measured parameters of each component of the tension clamp and the crimping die are obtained.

[0054] This embodiment takes figure 2 The original tension clamp structure shown is an example, which includes aluminum tube 1, aluminum s...

Embodiment 2

[0077] This embodiment proposes a strain clamp crimping process optimization device based on finite element simulation, specifically as Figure 8 As shown, the device of this embodiment includes a parameter acquisition unit, a modeling unit, a simulation unit and an optimization unit.

[0078] Among them, the parameter acquisition unit is used to obtain the measured parameters of the various components of the tension clamp and the crimping die, including the measured size parameters of each component and the crimping position parameters, etc., and determine the material of each component, so as to determine Including yield strength, Young's modulus, Poisson's ratio, material density and other mechanical parameters.

[0079] The modeling unit constructs models of the components of the tension clamp and the crimping die according to the measured parameters of the components of the strain clamp and the crimping die. The modeling process specifically includes geometric model estab...

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Abstract

The invention discloses a strain clamp crimping process optimization method and device based on finite element simulation. The method comprises the following steps: acquiring actual measurement parameters of each part of a strain clamp and a crimping die; according to actually measured parameters, performing model construction on each part of the strain clamp and the crimping die; performing crimping process simulation on the constructed model, and analyzing deformation and residual stress distribution of the strain clamp in the crimping process; and according to the deformation and residual stress distribution analysis result in the crimping process, carrying out strain clamp crimping optimization. The structure of the mold is optimized through simulation so as to reduce residual stress, operation is easy, and practicability is high.

Description

technical field [0001] The invention belongs to the technical field of electric power equipment, and in particular relates to a method and device for optimizing a crimping process of a tension clamp based on finite element simulation. Background technique [0002] The normal supply of electric energy is the basic guarantee for people's daily life. The main carrier of its large-scale long-distance transmission is overhead transmission lines. As an important part of overhead transmission lines, steel-cored aluminum stranded wires are important for the reliability of power systems. Uptime is critical. Transmission line tension clamps are used to fix overhead wires on the insulator strings of tension, corners, and terminal towers, and to bear the tension of the wires. It not only has to bear all the tension of the wires, but also undertakes the task of carrying current. It is safe and reliable. Sex cannot be ignored. The tension clamp of the transmission line needs to be crimp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/23G06F30/17G06F119/14G06F113/16
CPCG06F30/23G06F30/17G06F2119/14G06F2113/16Y02P10/20
Inventor 陈家慧王方强刘曦彭倩冯杰
Owner STATE GRID SICHUAN ELECTRIC POWER CORP ELECTRIC POWER RES INST
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