Device and method for simulating actual ore body excavation
A simulation device and ore body technology, applied in the field of mining engineering, mine rock mechanics and geotechnical engineering, can solve undiscovered problems and achieve the effect of avoiding casualties and property losses
Active Publication Date: 2016-11-16
ANSTEEL GRP MINING CO LTD
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[0051] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0052] A simulation device for actual ore body excavation, such as figure 1 As shown, it includes a model box 10 , an ore body simulation box 20 , and a transmission system 30 .
[0053] The model box 10 is a cubic box with five sides that close the upper opening according to the reduced size of the actual mining area, and a rectangular hole 11 that can extract the ore body simulation box box is provided at the lower end of a side elevation, and the bottom of the model box 10 is provided with The beam 13 that fixes the diverting pulley 12.
[0054] The model box 10 is used to place the ore body simulation box 20 and ore body similar materials that have been reduced in size according to the actual mining area. By extracting the lower box body 22 of the ore body simulation box one by one, the bottom pillar-free segmental caving of the minin...
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The invention relates to a device and a method for simulating actual ore body excavation. The device comprises a model box, an ore body simulation box and a transmission system, wherein the model box is a cubic box which is reduced according to actual ore zone dimensions, five faces of the model box are enclosed, one face is open, a lower end of a side vertical surface is provided with a rectangular hole through which an ore body simulation box casing can be drawn out, a bottom portion of the model box is provided with a cross beam used for fixing a turning pulley, the ore body simulation box comprises a top layer casing and a lower layer casing, the lower layer casing is horizontally laminated in the model box, the top layer casing is disposed above the lower layer casing, the transmission system comprises a first electrical capstan, a second electrical capstan, a fixing support and a thread buckle, the first electrical capstan and the second electrical capstan are fixed on the fixing support, and the thread buckle is mounted in a thread hole at a side surface board of the casing of the ore body simulation box. The device is advantaged in that the device is used for realizing iron ore deep portion exploitation model test researches, and mining area surrounding rock deformation under different exploitation rates in a non-pillar sublevel caving mining process is disclosed.
Description
technical field [0001] The invention belongs to the technical fields of mining engineering, mine rock mechanics and geotechnical engineering, and in particular relates to a simulation device and method for actual ore body excavation. Background technique [0002] When some experts and scholars at home and abroad are studying some problems in engineering geology, such as the elastic-plastic and final failure stages in the engineering geomechanics model, the influence of earthquakes on slope instability and failure, experimental research on the construction response of small-diameter underground pipelines, landslide mechanism research, Model test is an effective research method for the research of sub-pillar caving method. Under laboratory conditions, experts and scholars use reduced (or enlarged) models to study phenomena, and have achieved fruitful results in engineering geology. Li Shucai studied the stress evolution law and deformation characteristics of the surrounding r...
Claims
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CPCG09B25/00
Inventor 邵安林裴学斌周仁杰刘显峰尹华光徐能雄刘京平张彬叶富建杨国香
Owner ANSTEEL GRP MINING CO LTD