Sentence examples for hydraulic support at from inspiring English sources
The support and rock coupling mechanical model (Wang 2009) was used to analyses the main technical parameters of hydraulic support at Tashan coal mine.
The WC55Y shield hauler was used in the relocation of the LLTCC coalface at 14 20 m thick ultra-thick coal seam in the Tashan coal mine to successfully solve the relocation problem of large-tonnage hydraulic support at a LLTCC coalface.
In this paper, based on the relationship between roof support and surrounding rock, the authors propose a 3D dynamic optimal design method with hydraulic support and surrounding rock coupling, and subsequently the determination of the working resistance of hydraulic support at the No. 8105 coal face in Tashan mine in Datong, China, and test on site.
A numerical analysis was conducted to simulate the top-coal caving and discharge by using the geological parameters of coal seams and the technical parameters of hydraulic supports at Tashan coal mine.
Targeting this problem, we analyzed the properties of the high strength socket material 30Cr06, used in high performance hydraulic supports both at home and abroad and developed a new kind of high strength cast steel 30Cr06A, by making use of an orthogonal experiment, which provided the design conditions for its optimal composition.
The reasonable working resistance of hydraulic support should meet above two conditions at the same time.
Based on the investigation and analysis of the situation in full mechanized coal mining face at home and abroad, the electro-hydraulic control system for hydraulic support is put forward, designed and realized.
The adaptive evaluation results of hydraulic support could guide the design to improve hydraulic support.
The ZF15000/28/52 hydraulic support for LLTCC face was selected.
Based on the coupling relationship between hydraulic support and surrounding rock, we develop the intelligent coupling control system of hydraulic support and surrounding rock, which allows real-time monitoring for the posture and stress state of hydraulic support.
The motion skeleton of hydraulic support is established by PROE 3D design software, and goes through dynamics analysis of hydraulic support state of motion to finalize the reasonable technical parameters of hydraulic support.
