Research on longitudinal vibration characteristics of suspended whole-set electronic belt scales

JIANG Yuhang; XU Xusong; QIU Dongjie

doi:10.16579/j.issn.1001.9669.2026.06.010

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Research on longitudinal vibration characteristics of suspended whole-set electronic belt scales

·Vibration·Noise·Monitoring·Diagnosis· | 更新时间：2026-06-16

- Research on longitudinal vibration characteristics of suspended whole-set electronic belt scales
- Journal of Mechanical Strength Vol. 48, Issue 6, Pages: 91-98(2026)
- 作者机构：
  
  1.江苏理工学院机械工程学院，常州 213001
  2.梅特勒-托利多（常州）测量技术有限公司，常州 213125］
- 作者简介：
  
  XU Xusong, E-mail: xuxusong@163.com
- 基金信息：
  
  Jiangsu Universities "QingLan Project" Program;Graduate Student Practice and Innovation Program of Jiangsu University of Technology(XSJCX23_69)
- DOI：10.16579/j.issn.1001.9669.2026.06.010
  CLC： TH113.1
- Received：17 September 2024，
  
  Published：15 June 2026
- 稿件说明：
移动端阅览
姜宇杭，徐旭松，邱东杰. 悬浮整机式电子皮带秤纵向振动特性研究［J］. 机械强度，2026，48（6）：91-98.

JIANG Yuhang，XU Xusong，QIU Dongjie. Research on longitudinal vibration characteristics of suspended whole-set electronic belt scales［J］. Journal of Mechanical Strength，2026，48（6）：91-98.
姜宇杭，徐旭松，邱东杰. 悬浮整机式电子皮带秤纵向振动特性研究［J］. 机械强度，2026，48（6）：91-98. DOI： 10.16579/j.issn.1001.9669.2026.06.010.

JIANG Yuhang，XU Xusong，QIU Dongjie. Research on longitudinal vibration characteristics of suspended whole-set electronic belt scales［J］. Journal of Mechanical Strength，2026，48（6）：91-98. DOI： 10.16579/j.issn.1001.9669.2026.06.010.

摘要

目的

针对悬浮整机式电子皮带秤在物料上秤冲击下，称重稳定性受干扰的问题，以TLW-155电子皮带秤为研究对象，深入开展秤体纵向耦合振动特性研究，以提升其动态称重精度与系统运动稳定性。

方法

首先，采用分数阶Kelvin-Voigt黏弹性模型描述了输送带对应力、应变的真实响应，结合弹性波波动分析法，建立了物料冲击激励下输送台面的局部分数阶纵向振动连续模型，并基于分数阶复变换法求解，得到了动位移解析解；其次，根据定曲率球碗式承载装置在冲击载荷下的受力情况，建立了承载器纵向振动微分方程并采用4阶龙格-库塔法进行动态数值求解；最后，实现了输送台面与承载装置耦合的纵向振动特性分析，并辅以三维加速度测试平台进行了试验验证。

结果

研究表明，在物料冲击激励下，全悬浮整机式秤体受迫响应时间约为0.3 s。其中，输送带引起的最大动位移为4.5 mm，呈典型的阻尼波衰减特征，且选用0.6~0.8的分数阶阶数能够最真实地反映其黏滞蠕变特性。球碗式承载器在偏心冲击下产生的最大纵向振幅达12 mm，晃动持续约0.7 s后，依靠输送台面自重产生的恢复力返回原平衡位置，是影响称重稳定性的主导因素。试验采集的加速度曲线与分数阶耦合模型仿真结果高度吻合，最大误差不超过10.7%。

Abstract

Objective

To address the issue of weighing instability caused by material loading impact on suspended whole-set electronic belt scales

a coupled longitudinal vibration model was established for the TLW-155 belt scale to investigate its dynamic vibration characteristics and optimize system structural parameters.

Methods

Firstly

the viscoelastic behavior of the conveyor belt was characterized utilizing a fractional-order Kelvin-Voigt model combined with wave fluctuation analysis. The resulting local fractional differential equations for the conveyor table were solved analytically via the fractional complex transform method. Secondly

a mechanics model for the ball-bowl loader under eccentric impact load was derived and solved numerically using the fourth-order Runge-Kutta method. Finally

dynamic longitudinal coupling profiles were simulated across different fractional orders and belt speeds

which were then validated through empirical measurements using a six-axis acceleration sensor.

Results

The forced response duration of the suspended scale body under material impact excitation is approximately 0.3 s. The maximum dynamic displacement of the conveyor belt is 4.5 mm

exhibiting typical damped attenuation

with fractional orders of 0.6-0.8 yielding the best agreement with actual viscoelastic features. The ball-bowl loader tests a larger maximum longitudinal displacement amplitude of 12 mm

lasting for about 0.7 s before returning to its equilibrium position under gravity

which serves as the dominant disturbing factor for weighing stability. The measured longitudinal acceleration curves correlate strongly with the fractional-order simulation model

with a maximum error below 10.7%.

关键词

Keywords

references

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