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Akademický článek

Design of low-power test platform for reversing characteristics of mine solenoid pilot valve

Autor: LI Junshi

Publikováno v: Gong-kuang zidonghua, Vol 48, Iss 12, Pp 158-163 (2022)

The electromagnetic pilot valve is one of the core components for realizing unmanned mining in the fully mechanized working face. The current mine electromagnetic pilot valve test methods use emulsion pump as a liquid source. The power consumption is

Externí odkaz: https://doaj.org/article/01ade39633ae4a88b1967d7b79545374

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Akademický článek

The extension of thixotropy of cement paste under vibration: a shear-vibration equivalent theory

Autor: Li Xiaotian, Gao Zhurui, Zhang Shengjun, Li Junshi

Publikováno v: Science and Engineering of Composite Materials, Vol 27, Iss 1, Pp 367-373 (2020)

The rheology of cement paste under vibration follows the transformation from Bingham model to Hershel-Bulkly model to Power-Law model. Most of the existing research is obtained through a large number of experiments in the data fitting process, and ca

Externí odkaz: https://doaj.org/article/71e1afd10b4645a3a56d49e0e29ab2d6

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Akademický článek

Development of automatic test platform of electro-hydraulic control system of hydraulic support

Autor: LI Junshi

Publikováno v: Gong-kuang zidonghua, Vol 44, Iss 4, Pp 13-19 (2018)

In view of problems of high cost, low test efficiency and unable to record test data automatically of functional test methods of existing electro-hydraulic control system of hydraulic support, and in order to verify adaptability of control logic of t

Externí odkaz: https://doaj.org/article/5b4fb5f0ae2d42e8a25b360106285c4f

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