Temperature effect of dynamic mechanical properties of rubbers on identation rolling resistance of conveyor belts
Journal of Mechanical StrengthVol. 48, Issue 4, Pages: 75-82(2026)
作者机构:
太原科技大学 机械工程学院,太原 030024
作者简介:
YAO Yanping, E-mail: 919405128@qq.com
基金信息:
Fundamental Research Program of Shanxi Province(202203021211202);Graduate Education Reform Research Project of Shanxi Province(2023JG142);Transformation of Scientific and Technological Achievements Programs of Higher Education Institutions in Shanxi(2020CG043)
JI Bin,YAO Yanping,ZHOU Lidong,et al. Temperature effect of dynamic mechanical properties of rubbers on identation rolling resistance of conveyor belts[J]. Journal of Mechanical Strength,2026,48(4):75-82.
JI Bin,YAO Yanping,ZHOU Lidong,et al. Temperature effect of dynamic mechanical properties of rubbers on identation rolling resistance of conveyor belts[J]. Journal of Mechanical Strength,2026,48(4):75-82. DOI: 10.16579/j.issn.1001.9669.2026.04.009.
Temperature effect of dynamic mechanical properties of rubbers on identation rolling resistance of conveyor belts
Aiming at the problem that the indentation rolling resistance of belt conveyors is significantly affected by temperature and the existing calculation models have insufficient consideration of the temperature-frequency coupling effect
the variation law of dynamic mechanical parameters of rubber with temperature and its action mechanism on indentation rolling resistance are revealed
so as to provide reference for energy-saving design and operation optimization of conveyors.
Methods
2
Firstly
a BP neural network was used to predict the dynamic mechanical parameters of rubber in the range of -20 ℃ to 40 ℃ to make up for the deficiency of test data at low temperature; Secondly
a mechanical model of indentation rolling resistance considering transient energy loss was established to improve the viscoelastic mechanical analysis system; Thirdly
the model was solved by iterative algorithm
and numerical simulation was carried out with Matlab software to systematically explore the influence law of temperature
belt speed and load pressure on the resistance; Finally
the fitting accuracy of the model was verified to ensure the reliability of the research results.
Results
2
Under constant working conditions
the indentation rolling resistance presents a non-monotonic segmented change with temperature
which increases with the rise of temperature in the range of -20 ℃ to 5 ℃ and decreases with the rise of temperature in the range of 5 ℃ to 40 ℃
with the peak value appearing at about 5 ℃. When the belt speed is 6 m/s and the load pressure is 8 kN
the maximum resistance reaches 45 N. The fitting accuracy of the model is up to 0.999
which can accurately reflect the nonlinear influence of each parameter on the resistance
and provides a quantitative basis for energy consumption optimization of conveyor belts.
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