CN103218850B - One very three-dimensional mining blasting unit model method for building up - Google Patents
One very three-dimensional mining blasting unit model method for building up Download PDFInfo
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Abstract
The invention discloses a kind of true three-dimension modeling method of mining blasting cell cube, be applicable to bottom-column-free sectional caving stoping method, utilize Computerized three-dimensional modeling technique, to the modeling of mining blasting cell cube, can realize explosion cell cube truly expressed and the omnibearing 3-D display of independent sum, reach the object that becomes more meticulous to the comprehensive of explosion cell cube cognition and management.Very three-dimensional mining blasting unit model method for building up provided by the invention, comprises the steps: according to extracting drift design pitch, and XY plane generates the center line of this layering and all extracting drift spacing of higher slice, and forms line file preservation; Ore caving interval sectility face is simultaneously pressed to the extracting drift of explosion cell cube yet to be built and the extracting drift of upper two layerings thereof, and generates this layering extracting drift center line in z-direction; The extracting drift sectional view of this layering and higher slice planar central line file and explosion element entity yet to be built is opened at software Graphics window, input parameter and carry out spatial object selection; Executing arithmetic carries out solid modelling.
Description
Technical field
The invention belongs to Computerized three-dimensional modeling technique field, especially relate to the method for building up of the true three-dimensional model of a kind of mining technique borehole blasting cell cube.
Background technology
Sublevel caving method without sill pillar is from middle 1960s since China brings into use, and obtain at metal mine and promote rapidly, particularly iron ore mine is more extensive.The method can be applicable to ore-rock stability medium more than, mining roadway do not need the mine of a large amount of supporting.It has, and stope structure is simple, security good, productive capacity is large, mechanization degree is little, efficiency advantages of higher, is that mining is produced and the most important object of mine resources reserves management and means.The feature of sublevel caving method without sill pillar is, nugget is divided into segmentation, the entity that the extracting drift arranged by upper and lower three layering rhombuses and ore caving interval control is that sublevel caving method without sill pillar is dug up mine the explosion cell cube of stoping work, in substoping route, carry out the stoping operation such as ore deposit, ore removal that falls, do not need to dig special ore removal polycrystalline substance; Broken ore is released under avalanche country rock covers.
In space, cloth is set up, and the extracting drift of each segmentation drops on ore body side grain, the explosion cell cube controlled by extracting drift and ore caving interval in spatial vertical in extracting drift.Traditional two-dimensional graphics display mode, by the longitudinal profile perpendicular to route, can show the sectional view (see figure 1) of all explosion cell cubes on a certain cross section, but can not carry out the display of independent sum space omnidirectional to each explosion cell cube.Owing to can not make space truly expressed to explosion cell cube and explosion cell cube and lane space position relationship, the geologic reserve that explosion cell cube has probably can only be estimated according to design volume and mean specific gravity.The actual factor due to explosion, tunnel full-size(d) and design size have certain error, and explosion cell cube also can because of the factor (particularly ore body edge) of the factor of exploiting field work arrangement residing for it or ore body, and there is any discrepancy with design shape and size.Therefore the cognition of two-dimensional approach to explosion cell cube is abstract, is extensive to the management of explosion cell cube, and the two dimensional model demonstrated is accurate not, and error rate is high.
Summary of the invention
For solving the problem, the invention discloses a kind of true three-dimension modeling method of mining blasting cell cube, utilize Computerized three-dimensional modeling technique, to the modeling of explosion cell cube, can realize explosion cell cube truly expressed and the omnibearing 3-D display of independent sum, reach the object that becomes more meticulous to the comprehensive of explosion cell cube cognition and management.
In order to achieve the above object, the invention provides following technical scheme:
One very three-dimensional mining blasting unit model method for building up, comprises the steps:
(1) according to extracting drift design pitch, XY plane generates the center line of this layering and all extracting drift spacing of higher slice, and form line file preservation;
(2) ore caving interval sectility face is simultaneously pressed to the extracting drift of explosion cell cube yet to be built and the extracting drift of upper two layerings thereof, and generate extracting drift design pitch center line in z-direction in this layering extracting drift both sides;
(3) the extracting drift sectional view of this layering and higher slice planar central line file and explosion element entity yet to be built is opened at software Graphics window, input parameter and carry out spatial object selection;
(4) executing arithmetic carries out solid modelling.
As a preferred embodiment of the present invention, described step (4) comprises following concrete operation process:
(4.1) two layering wedge shape lines are generated by drill height and minimum explosion angle;
(4.2) the wedge shape line of generation in step (4.1) and each slicing route outline line is utilized to carry out the outline line that computing draws and four of the actual measurement forming explosion cell cube extracting drift section local overlap completely;
As a preferred embodiment of the present invention, in described step (3), the parameter of input comprises ore caving interval, drill height and minimum explosion angular dimensions, and spatial object comprises the extracting drift profile of this layering and higher slice drift interval center line and upper and lower three layerings.
As a modification of the present invention scheme, in steps after also comprise the steps:
(5) manual editing's process is carried out to outline line.
True three-dimension modeling method provided by the invention, tool has the following advantages and technique effect:
1. the physical size of simulating explosion cell cube truly of can trying one's best and and shape, mining production technical reserve is made no longer to rely on space imagination and estimation, but at Computerized three-dimensional graphical interfaces by selecting the explosion cell cube realization real space position, shape and size being carried out to true three-dimensional simulation.By composing geological property to explosion cell cube, when selecting explosion cell cube, the programming count to explosion cell cube geologic reserve and element geologic grade can be realized.
2. dynamically check and write off to add up with traditional reserves and utilize lower leaf ore body floor plan and dass present situation figure, adopt block section method account form different, after adopting method establishment explosion cell cube provided by the invention, the geologic reserve directly can adding up each production phase actual consumption explosion cell cube carries out reserves and checks and writes off statistics, not only technological means is simple and convenient, and the accuracy of statistics there has also been jumbo raising.
3. in addition, due to production technical reserve and reserves dynamically check and write off all with explosion cell cube for object, after explosion cell cube solid model is set up, the explosion cell cube of mining process management with digitizing is object, and the utilization of resources is science more.
Accompanying drawing explanation
Fig. 1 be utilize traditional two-dimensional graphics mode to show a certain cross section on the sectional view of all explosion cell cubes;
Fig. 2 is whole stope different avalanche ranking profile line;
Fig. 3 is the extracting drift sectional view of the center line generating extracting drift spacing center line and Z-direction;
Fig. 4 is the software interface schematic diagram of input ore caving interval;
Fig. 5 is the software interface schematic diagram selecting this layering mesh lines;
Fig. 6 is the software interface schematic diagram selecting this layering extracting drift profile;
Fig. 7 is the software interface schematic diagram of input drill height and minimum explosion angular dimensions;
Fig. 8 makes a living the extracting drift sectional view of wedge shape line of cost layering;
Fig. 9 is the extracting drift sectional view of the wedge shape line generating higher slice both sides extracting drift;
Figure 10 be by wedge shape line in Fig. 9 and extracting drift outline line after extracting drift sectional view;
Wedge shape line in Figure 10 is performed the extracting drift sectional view intersected between two after computing by Figure 11;
Figure 12 is the extracting drift sectional view calculating the final outline line of explosion cell cube;
Figure 13 is explosion element entity model;
Figure 14 is special shape explosion unit model;
Reference numerals list:
1-extracting drift outline line, the center line of this layering of 2-extracting drift spacing, the center line of 3-higher slice extracting drift spacing, this layering of 4-extracting drift spacing is at the center line of Z-direction, this layering of 5-wedge shape line, 6-higher slice first wedge shape line, 7-higher slice second wedge shape line, 8-higher slice first merges wedge shape line, 9-higher slice second merges wedge shape line, wedge shape line is intersected in this layering of 10-, and 11-is computing line between two, the final outline line of 12-explosion cell cube.
Embodiment
Below with reference to specific embodiment, technical scheme provided by the invention is described in detail, following embodiment should be understood and be only not used in for illustration of the present invention and limit the scope of the invention.
Adopt bottom-column-free sectional caving stoping method, stope design parameter is: height of lift 15 meters, drift interval 20 meters.Ore body is south-north direction, and north and south is about 800 meters, and thing is wide about 500 meters, and ore body position angle is 20 °, north by east.
According to above-mentioned design parameter, utilize Software Create stope and each slicing route outline line 1.The present invention is preferably completed by professional 3-dimensional digital mining software Surpac software secondary development, employing semiautomatic fashion realizes: program provides parameter input interface, in operational process, select pending spatial object (drift section, center line etc.) with user interactions; The spatial object of the parameter that program inputs user and selection processes automatically, generates explosion cell cube.Alleged tunnel is extracting drift herein.
From-273 meters of levels, the present invention is adopted to carry out three-dimensional modeling to explosion cell cube,
Concrete modeling procedure is as follows:
Step (1): according to extracting drift line space design parameter, XY plane generates the center line 2 of this layering extracting drift spacing and the center line 3 of all extracting drift spacing of higher slice, and center line 2 and center line 3 are also called as mesh lines.Because after reality driving, tunnel specification and design load have gap, therefore center line of the present invention adopts design parameter, to retrain better the locus of explosion cell cube.Because design drift interval is 20 meters, then generate extracting drift spacing center line at 10 meters of each from about the line of extracting drift design centre, and form line file preservation.
Step (2): press ore caving interval sectility face simultaneously by the extracting drift of design avalanche ranking to the extracting drift of explosion cell cube yet to be built and upper two segmentations thereof, stope different avalanche ranking profile line as shown in Figure 2, for one of them section, in figure, one has three layerings, wherein orlop is this layering, and from bottom to top counting the second layer is higher slice.The center line 4 of this layering extracting drift design pitch in Z-direction is generated, visually with on algorithm to carry out technological constraint to the border of explosion cell cube when sectility face.Fig. 3 is the extracting drift sectional view of the center line generating extracting drift spacing center line and Z-direction.
Step (3): the extracting drift sectional view of this layering and higher slice planar central line file and explosion element entity yet to be built is opened at Surpac software Graphics window, running unit volume modeling program, the secondary development language Tcl language development that this program is provided by Surpac software forms, embed Surpac running software, be specifically designed to the solid modelling solving explosion cell cube.The following concrete steps for utilizing this program to set up explosion unit model: cell cube modeling program provides input window and shows corresponding prompt statement in software interface, follow procedure points out input parameter and carry out spatial object selection respectively, and executing arithmetic carries out solid modelling subsequently.In this example, concrete steps are as follows: as shown in Figure 4, software interface eject the prompt window (i.e. ore caving interval) of input array pitch, now manually input array pitch.Spatial object is selected in program prompting subsequently, specifically be divided into two steps: as shown in Figure 5, software interface shows " selecting this layering mesh lines " prompt statement, select this layering mesh lines with mouse or hot key, in figure, orlop extracting drift place is layered as this layering.After choosing this layering mesh lines, as shown in Figure 6, software interface shows the prompt statement of " selecting this slice drift outline line ", now select this layering extracting drift profile with mouse or hot key.After completing the selection of this layering extracting drift, as shown in Figure 7, software interface ejects drill height and minimum explosion angular dimensions input interface, interface inputs drill height and minimum explosion angular dimensions.After completing this hierarchical operations, in like manner carry out selection and the parameters input of higher slice mesh lines and higher slice and top layer drift section.Thus complete the parameters input of three layerings.
Step (4): cell cube modeling program executing arithmetic carries out solid modelling.
(4.1) generate two laminated solid body outline lines, four hypotenuses by drill height and minimum explosion angle, thus form explosion cell cube outline-featured curves.
Obtain the coordinate of this layering extracting drift section base two-end-point, concrete way for: on program pass extracting drift section institute a little, minimum two points of Z coordinate are section base two-end-point, calculate base center point coordinate (i.e. this layering extracting drift base center point coordinate), according to drill height moving central point (namely adding drill height with base central point Z coordinate), obtain drill central point coordinate (X0, Y0, Z0); According to (the A point in figure of drift interval centerline end point in drill central coordinate and extracting drift section file, A and B is the intersection point of section base extended line and this layering extracting drift spacing center line 2 and Z-direction center line 4 respectively) planimetric coordinates or space distance between beeline and dot computing formula calculate the horizontal range of drill central to center line, S in figure, the XY planimetric coordinates then put 2. equals A point planimetric coordinates, puts 2. Z coordinate and is: Z1=Z0+S*tan α (α is minimum explosion angle).
2. certain distance is moved in same level position with putting, obtain a little 3. coordinate, moving distance on aforesaid should preset, and is generally greater than three heights of lift.
As shown in Figure 8, in like manner to calculate a little 4., point three-dimensional coordinate 5., after determining a little, program automatically by point 1., point 2., point 3., put 4., put and be 5. linked to be closed line, obtain this layering wedge shape line 5.
Obtain higher slice extracting drift central point A1 and B1 coordinate, according to above-mentioned identical algorithms, generate higher slice first wedge shape line 6 and the higher slice second wedge shape line 7 of higher slice both sides extracting drift, as shown in Figure 9.
(4.2) by computing, explosion unit model outline line is overlapped completely with four extracting drift section local of the actual measurement forming explosion cell cube:
After generating wedge shape line according to drill height and minimum explosion angle, the line utilizing Surpac software itself to provide respectively is crossing with in line, outer crossing, line merge algorithm, to wedge shape line and tunnel outline line, calculation process is between two carried out respectively between wedge shape line and wedge shape line, perform by higher slice in Fig. 9 first wedge shape line 6 and higher slice extracting drift outline line the higher slice first that line union operation obtains as shown in Figure 10 and merge wedge shape line 8, perform by higher slice in Fig. 9 second wedge shape line 7 and higher slice extracting drift outline line the higher slice second that line union operation obtains as shown in Figure 10 and merge wedge shape line 9, perform this layering shown in outer crossing Figure 10 of obtaining by this layering wedge shape line 5 in Fig. 9 and this layering extracting drift outline line and intersect wedge shape line 10.Again the wedge shape line in Figure 10 is performed and intersect computing between two, in Figure 10, wedge shape line 9 and wedge shape line 10 perform foreign minister and ship the line of computing between two 11 calculated and obtain in Figure 11, line 11 performs outer crossing again with line 8, the line obtained performs outer crossing again with top layer extracting drift outline line, finally obtain the final outline line 12 of the cell cube of explosion shown in Figure 12; Complete explosion unit model according to ore caving interval subsequently to set up, as shown in figure 13, thus complete solid modelling.
Explosion unit model base after modeling completes overlaps completely with this slice drift vault; Base plate, the half in both sides and tunnel, higher slice left and right are helped to overlap completely, and are no more than 1/2nd center lines of drift interval design load; Top does not exceed the top layer roadway floor of Component units body, adopts the explosion cell cube of method establishment provided by the invention can the explosion cell cube shape and size of truly expressed reality.
It should be noted that in ore body, particularly the imperfect explosion cell cube of ore body edge, after explosion unit contour generating, further manual editing's process is carried out to outline line, special shape cell cube as shown in figure 14 can be generated.
The present invention adopts standardization naming method to carry out organization and administration to the entity file of explosion cell cube, not only entity file name is relevant with explosion cell cube locus, and cell cube outline line wire size, entity number are also encoded according to locus, explosion cell cube place.
Explosion unit model composes geological property by Block Model to it, and by it stored in database after setting up, and adopts file and database two kinds of modes to manage the body file of model and geological property respectively, file and database realizing interactive access.
Because explosion cell cube is that mining is produced and the most important object of mine resources reserves management and means, by setting up three-dimensional entity model, it is visual that the production technical reserve in mine, Technical innova-tion, resource reserve check and write off that all to achieve with true three-dimensional model be object, change and utilize planimetric map, rely on the imagination and estimate the two dimensional technique means that explosion cell cube is managed, with visual, digitized technological means, achieve the fine-grained management of mining production and resource.
Technological means disclosed in the present invention program is not limited only to the technological means disclosed in above-mentioned embodiment, also comprises the technical scheme be made up of above technical characteristic combination in any.
Claims (3)
1. a very three-dimensional mining blasting unit model method for building up, is characterized in that, comprise the steps:
(1) according to extracting drift design pitch, XY plane generates the center line of this layering and all extracting drift spacing of higher slice, and form line file preservation;
(2) ore caving interval sectility face is simultaneously pressed to the extracting drift of explosion cell cube yet to be built and the extracting drift of upper two layerings thereof, and generate extracting drift design pitch center line in z-direction in this layering extracting drift both sides;
(3) the extracting drift sectional view of this layering and higher slice planar central line file and explosion element entity yet to be built is opened at software Graphics window, input parameter and carry out spatial object selection;
(4) executing arithmetic carries out solid modelling;
Described step (4) comprises following concrete operation process:
(4.1) two layering wedge shape lines are generated by drill height and minimum explosion angle:
Obtain the coordinate of this layering extracting drift section base two-end-point, calculate base center point coordinate, move central point according on drill height, obtain drill central point (point 1.) coordinate (X0, Y0, Z0), the horizontal range of drill central to center line is calculated according to drift interval centerline end point planimetric coordinates in drill central coordinate and extracting drift section file or space distance between beeline and dot computing formula, the XY planimetric coordinates of minimum explosion angle and explosion boundary line, right side intersection point (point 2.) equals A point planimetric coordinates, A is the intersection point of section base extended line and this layering extracting drift spacing center line, minimum explosion angle and explosion boundary line, right side intersection point (point 2.) Z coordinate are: Z1=Z0+S*tan α, wherein α is minimum explosion angle, S is the horizontal range of drill central to center line,
Move certain distance with on minimum explosion angle and explosion boundary line, right side intersection point (point 2.) same level position, obtain along certain altitude summit, explosion boundary line, right side (point 3.) coordinate, moving distance on described presets;
In like manner calculate the three-dimensional coordinate along certain altitude summit, explosion boundary line, left side (point 4.), minimum explosion angle and explosion boundary line, left side intersection point (putting 5.); after determining a little; by drill central point, minimum explosion angle and explosion boundary line, right side intersection point, along certain distance summit, explosion boundary line, right side, along certain altitude summit, explosion boundary line, left side, minimum explosion angle and explosion boundary line, left side intersection point be linked to be closed line, obtains this layering wedge shape line (5);
Obtain higher slice extracting drift central point (A1 and B1) coordinate, according to above-mentioned layering wedge shape line identical algorithms, generate higher slice first wedge shape line and the higher slice second wedge shape line of higher slice both sides extracting drift;
(4.2) the wedge shape line of generation in step (4.1) and each slicing route outline line is utilized to carry out the outline line that computing draws and four of the actual measurement forming explosion cell cube extracting drift section local overlap completely:
Perform line union operation by higher slice first wedge shape line and higher slice extracting drift outline line to obtain higher slice first and merge wedge shape line, perform line union operation by higher slice second wedge shape line and higher slice extracting drift outline line to obtain higher slice second and merge wedge shape line, performed by this layering wedge shape line and this layering extracting drift outline line and outer crossingly obtain this layering and intersect wedge shape line, again above-mentioned wedge shape line is performed and intersect computing between two, finally obtain the final outline line of explosion cell cube; Complete explosion unit model according to ore caving interval subsequently to set up, thus complete solid modelling.
2. very three-dimensional mining blasting unit model method for building up according to claim 1, it is characterized in that, in described step (3), the parameter of input comprises ore caving interval, drill height and minimum explosion angular dimensions, and spatial object comprises the extracting drift profile of this layering and higher slice drift interval center line and upper and lower three layerings.
3. very three-dimensional mining blasting unit model method for building up according to claim 1 and 2, is characterized in that, in steps after also comprise the steps:
(5) manual editing's process is carried out to outline line.
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| CN103699712A (en) * | 2013-11-29 | 2014-04-02 | 南京梅山冶金发展有限公司 | Method for making mining extraction plan based on explosion unit bodies |
| CN104102972A (en) * | 2014-06-30 | 2014-10-15 | 南京梅山冶金发展有限公司 | Mine resource reserve verification and cancellation method based on blasting elements |
| CN104504184A (en) * | 2014-12-11 | 2015-04-08 | 南京梅山冶金发展有限公司 | Visual design method of medium-length hole for mining explosion |
| CN104933947A (en) * | 2015-01-22 | 2015-09-23 | 中国石油技术开发公司 | Three-dimensional animation model generation method of land drilling rig installation operation simulation system |
| CN105574225B (en) * | 2015-04-28 | 2019-02-01 | 南京梅山冶金发展有限公司 | A kind of mining blasting cell cube is locating to be layered judgement and hierarchy number storage recording method |
| CN107945178B (en) * | 2017-12-19 | 2019-06-21 | 大昌建设集团有限公司 | A kind of residual hole automatic identification of explosion and feature extracting method |
| CN111210509B (en) * | 2020-01-16 | 2022-07-26 | 厦门理工学院 | Method and device for determining shape of motor housing after stretching and rebounding |
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