Dynamic characteristics study on the two-stage safety valve used on hydraulic support under impact loading

• Autorzy: Zhao Guochao , Wang Hui , Song Yuning , Zhang Changshuai

Identyfikatory

DOI

10.15632/jtam-pl/116576

• Języki publikacji: EN

Abstrakty

EN

A two-stage linkage safety valve for hydraulic support is presented. Considering the hydraulic support is impacted, dynamic simulation of the column circuit with the two-stage safety valve subject impact loading was carried out, and the dynamic characteristics of the two- -stage safety valve with different impact forms were studied. A rapid impact loading test rig was built to test the two-stage safety valve sample under impact loading. Simulation and experimental results indicate that the two-stage safety valve has high sensitivity and good unloading performance, it can realize fast and large flow unloading of the hydraulic support under different impact forms and pressures.

Słowa kluczowe

EN

safety valve; impact loading; hydraulic support; dynamic characteristic

• Wydawca: Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
• Czasopismo: Journal of Theoretical and Applied Mechanics
• Rocznik: 2020
• Tom: Vol. 58 nr 3
• Strony: 623--635
• Opis fizyczny: Bibliogr. 31 poz., rys.

Twórcy

autor

Zhao Guochao

• Liaoning Technical University, School of Mechanical Engineering, Fuxin, China

autor

Wang Hui

• Liaoning Technical University, School of Mechanical Engineering, Fuxin, China

autor

Song Yuning

• Yingkou Institute of Technology, Department of Mechanical and Power Engineering, Yingkou, China

autor

Zhang Changshuai

• Yingkou Institute of Technology, Department of Mechanical and Power Engineering, Yingkou, China

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).