Impact load simulation system for drop-out impact test

A technology of impact test and impact load, which is applied in the field of drop impact test impact load simulation system, which can solve the problems of high cost and poor accuracy

Inactive Publication Date: 2021-02-26
中国船舶重工集团公司第七0三研究所
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to propose a drop impact test impact load simulation sys...

Method used

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  • Impact load simulation system for drop-out impact test

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specific Embodiment approach 1

[0018] Specific implementation mode one: refer to figure 1 Specifically explain this embodiment, a drop impact test shock load simulation system described in this embodiment, including: a numerical simulation analysis subsystem, a test test subsystem, and a simulation and test test comparison analysis subsystem,

[0019] The numerical simulation analysis subsystem is used to carry out the simulation experiment drop impact environment, and the experimental impact conditions are clarified through the numerical drop impact environment, and the simulation simulation data is obtained;

[0020] The experimental test subsystem uses the drop impact test bench to correspond the experimental drop impact environment with the numerical drop impact environment, and uses the drop impact test bench to complete the drop impact experiment of the experimental piece, and obtain the impact input actual measurement data;

[0021] The simulation and test comparison analysis subsystem is used to com...

specific Embodiment approach 2

[0022] Embodiment 2: This embodiment is a further description of Embodiment 1. The difference between this embodiment and Embodiment 1 is that the shock input measured data is shock response amplitude data, and the simulation data is position distribution. Comparative data.

specific Embodiment approach 3

[0023] Embodiment 3: This embodiment is a further description of Embodiment 2. The difference between this embodiment and Embodiment 2 is that the drop impact test of the experimental piece includes the test of impact input load and the test of impact response.

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Abstract

The invention discloses an impact load simulation system for a drop-type impact test, relates to the technical field of computer aided design and device drop-type impact tests, and aims at solving theproblems of high cost and poor accuracy of drop-type impact test simulation in the prior art. Model verification is carried out on an established simulation model. A certain simulation method is adopted to perform numerical expression on an input load of the impact machine, the impact load and a simulation model are subjected to impact response calculation together and are compared with a test result, and the simulation model is corrected to correspond to the test result, so that impact resistance response calculation is performed in a design stage, and the calculation accuracy is improved; the basis is provided for impact resistance design of the gear box to satisfy design economy requirements of the gear box, simulation is carried out, the cost is low, the accuracy is high, and accuracyis improved by more than one time compared with a general simulation method.

Description

technical field [0001] The invention relates to the technical field of computer aided design and device drop impact test, in particular to a drop impact test impact load simulation system. Background technique [0002] In the process of R&D, manufacturing, transportation, use and storage of large marine vehicles and large generating sets, they often have to withstand different degrees of external environmental tests. Their power and core equipment are vulnerable parts, and their environmental adaptability directly affects the aerospace industry. Efficiency of generators and generator sets. The reliability of products and systems does not exist in isolation, it is affected by many links and factors; environmental factors, as an important part of reliability design and analysis, are crucial to various core components, especially in the face of a wide variety of equipment , performance differences, and high precision requirements, it must be ensured that they can withstand the...

Claims

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Application Information

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IPC IPC(8): G06F30/23G06F30/20G06F111/10
CPCG06F30/23G06F30/20G06F2111/10
Inventor 赵松涛王鑫戴光昊张晓旭王梦琪王世栋
Owner 中国船舶重工集团公司第七0三研究所
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