Results 251 to 260 of about 66,002 (291)

Reliability Analysis of the Hydraulic Support Pin

Applied Mechanics and Materials, 2013
This paper deduced the force formula of the pin through applying load on the top beam.Using the Hertz formula calculating the mean stress and standard deviation of the pin.By using the stress-strength interference theory to calculate the reliability of the pin.
Dong Yu Liu, Dian Long Zou, Yun Long Zhang, Xun Fan   +3 more
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Design and Dynamic Simulation for Hydraulic Support

Applied Mechanics and Materials, 2013
The whole structure of a new hydraulic support is designed according to the special working conditions, and the main parameters on its structure and dimension are calculated based on the whole structure and the corresponding formula about the structure design of hydraulic support.
Dong Min Li, Yong Hai Tan, Rui Yin Xu, Jian Jun Yuan, Bao Yin Li, De Jie Huang, Ting Li Jia   +6 more
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Microprocessor-controlled hydraulic supports

Electronics and Power, 1985
Until recently the problems involved in co-ordinating the movement of the all-important roof supports in mining were strictly limited by existing hydraulic control. This article describes how the microprocessor has increased the flexibility, efficiency and safety of operation in the hazardous environment of the ...
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Finite Element Analysis for Hydraulic Support

Advanced Materials Research, 2012
The paper was mainly research on hydraulic support by finite elements method. It took a certainly type of hydraulic powered support as an example. All parts of hydraulic support were analyzed in finite element analysis software Ansys Workbench12.1. The simulation data was compared with test data and the relative error factor was discussed, it indicated
Pei Dong Wu, Jian Yi Kong, You Jin Gao, He Gen Xiong   +3 more
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Strength and Reliability Analysis of Hydraulic Support

Advanced Materials Research, 2012
Hydraulic support is an important equipment of synthesis mechanization caving coal and safe production in modernization coal mine. According to the research object of ZF5000/16/28’s mould hydraulic support, stress distribution of dangerous parts is obtained by stress testing and ANSYS software.
Yuan Yuan Ma, Li Yang Xie, Xiao Feng Qin
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Modeling and control of surrounding rock support of hydraulic support

2022 IEEE 25th International Conference on Intelligent Transportation Systems (ITSC), 2022
H. W. Ren, D. D. Wang
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Hydraulic Fills to Support Structural Loads

Journal of the Soil Mechanics and Foundations Division, 1970
Data are compiled based upon a review of the literature, concerning the relative density, penetration resistance, compressibility and rate of consolidation. Only hydraulic fills placed by sluicing through pipes are considered, and emphasis is upon performance under ordinary dead and live loads. Fills are classified according to the nature of the borrow
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The Study on Advancing Velocity of Hydraulic Support

Advanced Materials Research, 2010
Based on modeling and simulation technology, this paper puts forward a new method of studying quantitatively advancing velocity of hydraulic support, which is helpful to the optimization design of hydraulic support. Taking a certain type of hydraulic support as an example, the influence of hydraulic parameters such as flow rate, pressure, and pipe ...
Xin Zhang, Jian Wu Zhang, Li Rong Wan
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PENDULUM SUPPORT WITH HYDRAULIC DAMPING

2001
The invention relates to a pendulum support (10), with hydraulic damping, comprising two separate sleeve housings (11, 12), linked to each other, by a support arm (13). A sleeve with hydraulic damping is fixed in at least one of the sleeve housings (11), which comprises an elastomer body (34), for mounting a bearing inner component (31).
TRELLEBORG AUTOMOTIVE TECH CT, GRAEVE ARNDT, HILLJE KLAUS   +2 more
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Hydraulic Support Equipment in Space Exploration

SAE Technical Paper Series, 1962
<div class="htmlview paragraph">With support equipment now being needed in space operation, a radical change is being made to the support industry. This paper describes these changes in respect to hydraulic support equipment for space applications.
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