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A filling characteristic evaluation method of coal mining hydraulic support

A hydraulic support and characteristic technology, applied in pillars/supports, mining equipment, earthwork drilling and mining, etc., can solve the problems of large manpower and material resources, waste of time, etc., and achieve the effect of reducing design and development time

Inactive Publication Date: 2019-04-02
CHINA UNIV OF MINING & TECH
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] The design and development of traditional hydraulic support for filling coal mining is based on physical prototypes, which not only invests huge human and material resources, but also wastes a lot of time, which makes the design department at a disadvantage in the fierce market competition

Method used

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  • A filling characteristic evaluation method of coal mining hydraulic support
  • A filling characteristic evaluation method of coal mining hydraulic support
  • A filling characteristic evaluation method of coal mining hydraulic support

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Embodiment 1

[0101] Embodiment 1: An evaluation system of filling coal mining hydraulic support, which is specifically implemented as follows: A. Analysis of geological data; B. Preliminary selection of hydraulic support frame type; C. Determining the primary selection scheme of the foundation; D. Determination of filling coal mining Evaluation index of filling characteristics of hydraulic support; E. Use Pro / E, Solidworks or CATIA and other three-dimensional software to build a skeleton model, and perform motion simulation to obtain a filling characteristic evaluation matrix; F. Comprehensive evaluation of multiple indicators to determine the optimal solution.

[0102] 1. Step A: Analyze geological data

[0103] The 7203W working face of Zhaizhen Mine has a vertical depth of 517.1~565.8m, corresponding to the ground elevation of +177.1~+181.2m, underground elevation of -340.0~-384.6m, an average strike length of 286m; an average inclination length of 92.8m, and a working face coal seam thi...

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Abstract

A method for evaluating filling characteristics of a filling coal-mining hydraulic support, implemented through the following steps: A. analyzing geological data and geological conditions; B. initially choosing the type of hydraulic support; C. determining basic initial schemes; D. determining indexes for evaluating filling characteristics of the filling coal-mining hydraulic support; E. constructing a framework model using Pro / E, Solidworks or CATIA three-dimensional software and simulating movement to obtain a filling characteristic evaluation matrix; and F. performing comprehensive evaluation through the multiple indexes and determining the optimal scheme. The filling coal-mining hydraulic support is one of important devices for solid filling coal mining, initial schemes are determined and optimized using computer technologies and through a variable control method, and the optimal scheme thereof is determined by using an analytic hierarchy method. The evaluating method is a scientific and rational evaluation system, and provides a specific, feasible, comprehensive and simple support optimization method, substantially reducing the design and development time.

Description

technical field [0001] The invention relates to an evaluation system and method for coal mining with solid filling, in particular to a method for evaluating the filling characteristics of a hydraulic support for coal mining with filling. Background technique [0002] Comprehensive mechanized solid filling coal mining technology is a green mining technology that utilizes fully mechanized filling mining equipment to densely fill solid waste (gangue, fly ash, loess, aeolian sand, and construction waste, etc.) into the goaf of the coal mining face. As the core equipment of this technology, the hydraulic support for filling coal mining not only supports the roof, pushes the conveyor and shearer on the working face, but also undertakes the tasks of filling the goaf, assisting material transportation and compaction. The reliability of its performance is dense filling. key. [0003] The design and R&D of traditional filling coal mining hydraulic supports are based on physical proto...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21D15/44
CPCE21D15/44
Inventor 张强张吉雄邰阳闫浩乔明
Owner CHINA UNIV OF MINING & TECH
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