Roller coaster track vibration response test method based on wheel-rail coupling and application

A roller coaster track and vibration response technology, which is applied in the fields of instrumentation, design optimization/simulation, electrical digital data processing, etc., can solve problems such as unsatisfactory roller coaster safety design, and achieve improved test efficiency, simplified car body model, and strong pertinence Effect

Active Publication Date: 2020-06-02
EAST CHINA UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, domestic and foreign scholars' research on roller coasters mainly focuses on dynamic simulation and structural finite element analysis. At present, there is no research specifically on the vibration response of roller coaster tracks, which cannot meet the requirements of roller coaster safety design.

Method used

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  • Roller coaster track vibration response test method based on wheel-rail coupling and application
  • Roller coaster track vibration response test method based on wheel-rail coupling and application
  • Roller coaster track vibration response test method based on wheel-rail coupling and application

Examples

Experimental program
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Effect test

Embodiment 1

[0038] This embodiment takes the Four Rings roller coaster as an object, and provides a roller coaster track vibration response test method based on wheel-rail coupling, such as figure 1 shown, including the following steps:

[0039] Step S1: Using SolidWorks and ADAMS to establish a dynamic simulation model of the roller coaster, including simplified car body model and track model.

[0040] The establishment process of the simplified car body model is as follows: Simplify the car body without affecting the dynamic simulation, retain the key connectors between the car bodies, and appropriately simplify the car body and seat decoration parts to form a simplified car body Model. The car body itself is fixed to the bottom girder of the car body, and the car body and the car body are connected by a connecting rod, a connecting fork and a pin shaft. The axle housing and the bottom girder are connected by shaft pin parts. The wheel frame is stuck on both ends of the axle housing....

Embodiment 2

[0083] This embodiment provides a method for designing a roller coaster, which is designed based on the test results of the roller coaster track vibration response test method described in Embodiment 1.

Embodiment 3

[0085] This embodiment provides a roller coaster inspection and maintenance method, based on the test results of the roller coaster track vibration response test method described in Embodiment 1 to perform roller coaster inspection and maintenance.

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Abstract

The invention relates to a roller coaster track vibration response test method based on wheel-rail coupling. The method comprises the following steps: 1) establishing a roller coaster dynamics simulation model; 2) setting constraints for simulating the actual running condition of the roller coaster in the roller coaster dynamics simulation model, wherein the constraints comprise point-line constraints for simulating wheel-rail coupling between a roller coaster wheel and a rail; 3) adding a load to the roller coaster dynamics simulation model; 4) solving the roller coaster dynamics simulation model to obtain wheel-rail contact force under different wheel sets, different wind power and different loads; the method comprises the steps of (1) establishing a finite element simulation model of atypical track unit section, and (6) carrying out transient dynamics analysis in the finite element simulation model based on the wheel track contact force obtained in the step (4) to obtain the vibration response of each structure of the track, and compared with the prior art, the method has the advantages of strong pertinence, high accuracy and the like.

Description

technical field [0001] The invention relates to roller coaster safety technology, in particular to a vibration response analysis of a roller coaster track, in particular to a roller coaster track vibration response test method and application based on wheel-rail coupling. Background technique [0002] The roller coaster in the amusement park is developing towards a more exciting and high-speed direction, which puts forward higher requirements for the safety analysis of the roller coaster. However, the traditional roller coaster design method "design-manufacture-test-improvement-test" cycle Long time, high cost, and security issues are difficult to solve, but the co-simulation technology based on virtual prototype can well deal with this problem. The safety of the roller coaster track as a load-bearing component is very important. It is of great significance to use the analysis and prediction method of fatigue life to ensure the safety of the track structure. At present, dom...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/23G06F119/14
CPCY02T90/00
Inventor 周邵萍边凯瑞李锦李勇刘爽
Owner EAST CHINA UNIV OF SCI & TECH
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