Tests of Belt Linear Speed for Identification of Frictional Contact Phenomena

Bortnowski, Piotr; Gładysiewicz, L.; Król, R.; Ozdoba, Maksymilian

doi:10.3390/s20205816

Cited by 6 publications

(4 citation statements)

References 16 publications

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“…The continuously changing tension during the operation of the conveyor belt leads to rapid elastic deformation, accompanied by the phenomenon of elastic sliding. 15 However, the elastic modulus is an important indicator for evaluating the conveyor belt's resistance to elastic deformation and a significant factor affecting the running resistance. Fedorko et al 16 studied the influence of material properties of rubber-fabric conveyor belts on contact force and found a clear dependence between the elastic modulus value and the contact pressure value.…”

Section: Introductionmentioning

confidence: 99%

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Dynamics modeling and simulation of steel cord conveyor belt based on dynamic elastic modulus

Sun,

Xiao,

Meng

2024

Proceedings of the Institution of Mechanical Engineers, Part C:

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Steel cord conveyor belts are widely used in long-distance transportation of various materials. The steel cord belt is composed of rubber and steel cord core, exhibiting excellent viscoelasticity and complex dynamic characteristics during operation. The existing static elastic modulus cannot accurately reflect the real dynamic properties of the conveyor belt. In this paper, based on the catenary theory, the formula for the dynamic elastic modulus of the conveyor belt is derived by introducing the sag and elastic deformation of the steel cord conveyor belt on the basis of the static elastic modulus. The dynamic modeling of the steel cord conveyor belt is carried out using rigid belt block element + flexible beam method. Then, the RecurDyn software is used to establish the dynamic simulation system of the belt conveyor and conduct simulations, which are validated through a test bench. The results show that dynamics simulation based on the dynamic elastic modulus is closer to the real dynamic characteristics of the belt conveyor. Finally, the dynamic characteristics of belt conveyors under different start-up times, different start-up speeds, and idler spacing are analyzed using this modeling and simulation method. The results demonstrate that the dynamic elastic modulus can accurately reflect the real dynamic properties of the conveyor belt, providing a more accurate dynamic modeling and simulation method for the design of belt conveyors.

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Section: Introductionmentioning

confidence: 99%

“…The continuously changing tension during the operation of the conveyor belt leads to rapid elastic deformation, accompanied by the phenomenon of elastic sliding. 15…”

Section: Introductionmentioning

confidence: 99%

Dynamics modeling and simulation of steel cord conveyor belt based on dynamic elastic modulus

Sun,

Xiao,

Meng

2024

Proceedings of the Institution of Mechanical Engineers, Part C:

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show abstract

“…The results which are obtained by means of various measurements can be processed by dedicated software FLIR Tools [13]. Studies on the development of longwall conveyors are presented in works [14][15][16][17][18][19][20][21][22]-they are part of the innovative development of machinery and equipment [23][24][25][26][27].…”

Section: Introductionmentioning

confidence: 99%

Thermal Imaging Study to Determine the Operational Condition of a Conveyor Belt Drive System Structure

et al. 2021

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The paper discusses the results of a study carried out to determine the thermal condition of a conveyor power unit using a thermal imaging camera. The tests covered conveyors in the main haulage system carrying coal from a longwall. The measurements were taken with a thermal imaging diagnostic method which measures infrared radiation emitted by an object. This technology provides a means of assessing the imminence and severity of a possible failure or damage. The method is a non-contact measuring technique and offers great advantages in an underground mine. The thermograms were analysed by comparing the temperature distribution. An analysis of the operating time of the conveyors was also carried out and the causes of the thermal condition were determined. The main purpose of the research was to detect changes in thermal state during the operation of a belt conveyor that could indicate failure and permit early maintenance and eliminate the chance of a fire. The article also discusses the construction and principle of operation of a thermal imaging camera. The findings obtained from the research analysis on determining the thermal condition of the conveyor drive unit are a valuable source of information for the mine’s maintenance service.

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“…A belt conveyor is widely used in the industrial field and is mainly used in material transportation equipment [ 1 , 2 , 3 , 4 , 5 ]. The longitudinal rip of the belt—along the running direction caused by hard impurities’ puncture, penetration, and blocking—is one of the common faults of the belt conveyor.…”

Section: Introductionmentioning

confidence: 99%

Identifying and Characterizing Conveyor Belt Longitudinal Rip by 3D Point Cloud Processing

Pang

Jin

et al. 2021

Sensors

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Real-time and accurate longitudinal rip detection of a conveyor belt is crucial for the safety and efficiency of an industrial haulage system. However, the existing longitudinal detection methods possess drawbacks, often resulting in false alarms caused by tiny scratches on the belt surface. A method of identifying the longitudinal rip through three-dimensional (3D) point cloud processing is proposed to solve this issue. Specifically, the spatial point data of the belt surface are acquired by a binocular line laser stereo vision camera. Within these data, the suspected points induced by the rips and scratches were extracted. Subsequently, a clustering and discrimination mechanism was employed to distinguish the rips and scratches, and only the rip information was used as alarm criterion. Finally, the direction and maximum width of the rip can be effectively characterized in 3D space using the principal component analysis (PCA) method. This method was tested in practical experiments, and the experimental results indicate that this method can identify the longitudinal rip accurately in real time and simultaneously characterize it. Thus, applying this method can provide a more effective and appropriate solution to the identification scenes of longitudinal rip and other similar defects.

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Tests of Belt Linear Speed for Identification of Frictional Contact Phenomena

Cited by 6 publications

References 16 publications

Dynamics modeling and simulation of steel cord conveyor belt based on dynamic elastic modulus

Dynamics modeling and simulation of steel cord conveyor belt based on dynamic elastic modulus

Thermal Imaging Study to Determine the Operational Condition of a Conveyor Belt Drive System Structure

Identifying and Characterizing Conveyor Belt Longitudinal Rip by 3D Point Cloud Processing

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