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Roller optimization static experiment testing method

A test method and statics technology, applied in similar theoretical fields, can solve the problems of limited optimization of structural parameters and lack of experimental data support of the drum, and achieve the effect of optimizing the structural parameters of the drum

Active Publication Date: 2015-12-30
SHANGHAI UNIV
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  • Claims
  • Application Information

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Problems solved by technology

[0006] In order to overcome the deficiencies of the above-mentioned prior art, the present invention provides a test method for drum optimization statics experiment, which solves the problem that the existing design optimization method has limited optimization degree of structural parameters or lacks the support of drum experiment data

Method used

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  • Roller optimization static experiment testing method

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Experimental program
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Embodiment 1

[0034] see Figure 1 ~ Figure 4 , the drum optimizes the statics experimental test method, and its operation steps are as follows:

[0035] 1) Extract the structure and force parameters of the drum prototype: analyze the original data of the drum, and extract the structural parameters and force parameters of the drum prototype;

[0036] 2) Similarity Theoretical Calculation: The structural parameters and force parameters of the obtained drum prototype are similarized using the similarity theory to obtain the structural parameters and force parameters of the model drum;

[0037] 3) Similar model making: use the structural parameters of the model roller to design and manufacture the model roller, and reasonably arrange the position of the strain gauge;

[0038] 4) Classification of similar models: for the finished model rollers, they are classified according to the bandwidth and load type;

[0039] 5) Mechanical static loading: According to the model force of different working...

Embodiment 2

[0044] Embodiment 2: This embodiment is basically the same as Embodiment 1, and the special features are as follows:

[0045] In the similarity theoretical calculation in the step 2), the calculation method adopted is as follows: list the single value conditions required for similar model design; determine the type of basic physical quantity and the number of basic dimensions; determine the basic physical quantity and functional physical quantity, and establish similarity criteria ; by the similarity constant C x The composed similarity index C=1 designs the drum similarity model, where C x Indicates the ratio of the corresponding physical quantities between the model and the prototype; find the similar constant C of each physical quantity x .

[0046] The manufacturing method used in the similar model making in step 3) is as follows: When making the model drum, the strain gauges are arranged along the inner and outer circumferential surfaces of the cylinder shell and the in...

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Abstract

The invention discloses a roller optimization static experiment testing method. The method comprises the steps that structure parameters and force parameters of a model roller are calculated according to a similarity theory, wherein roller prototype structure and force parameters are extracted, and calculated according to the similarity theory; then similar models are manufactured, wherein the similar models are manufactured and classified; static experiment testing is carried out on the model roller, wherein mechanical static force is loaded, strain gauge data information is collected and processed, and experiment results are analyzed. According to the method, the data are obtained for experiment testing of the model roller, by means of the steps, a database for structure parameter optimization of the roller is set up, and can be utilized for guiding and designing the roller structure, and the purpose of deeply optimizing the structure parameters of the roller is achieved.

Description

technical field [0001] The invention discloses a roller optimization statics experiment testing method, which is used for the improved design and analysis method of the belt conveyor roller structure, and relates to the fields of similarity theory and model experiments. Background technique [0002] As the main conveying machinery and equipment for modern bulk materials, belt conveyors are widely used in many industries such as mining metallurgy, port terminals, light industry, electric power building materials, chemical industry and grain transportation. With the increase of diversified functional requirements such as working distance, material load, and transportation efficiency, belt conveyors are developing in the direction of long-distance, large-capacity, large-bandwidth, and large-scale. As a key component of belt conveyor equipment, the design quality of the roller will seriously affect the normal operation of the belt conveyor. Improving the structural design and an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M13/00
Inventor 曹宁高国富沈斐玲李恒宇
Owner SHANGHAI UNIV
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