CN103218850A - True three-dimensional mining blast unit body modeling method - Google Patents
True three-dimensional mining blast unit body modeling method Download PDFInfo
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Abstract
The invention discloses a true three-dimensional mining blast unit body modeling method which is applied to a subsection caving mining method without sill pillars. The computer three-dimensional modeling technique is utilized to model a mining blast unit body so as to achieve true expression and independent and omnibearing three-dimensional display of the blast unit body. The purpose of cognitive comprehensiveness and management refine on the blast unit body is achieved. The true three-dimensional mining blast unit body modeling method comprises the following steps of designing distance according to extraction approaches, generating all central lines of the distance of the extraction approaches a main layer and an upper layer on the XY plane, forming line files to be stored, simultaneously cutting extraction approaches of a blast unit body to be built and two layered extraction approaches on the blast unit body to be built according to caving step pitch, generating a central line of a main layer extraction approach in the Z direction, opening the central line file of the main layer and the upper layer and section patterns of extraction approaches of the blast unit body to be built in a software pattern window, inputting parameter, choosing space objects and operating algorithm to model solidly.
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 from middle 1960s since China brings into use, obtain to promote rapidly at metal mine, particularly the iron ore mine is more extensive.This method can be applicable to ore-rock stability medium more than, mining roadway do not need the mine of a large amount of supportings.It has, and stope structure is simple, security good, productive capacity is big, mechanization degree is little, the efficiency advantages of higher, is that mining is produced and most important object of mine resources reserves management and means.The characteristics of sublevel caving method without sill pillar are, nugget is divided into segmentation, by the extracting drift of three layering rhombus layouts and the entity of ore caving interval control are the explosion cell cube of sublevel caving method without sill pillar mining back production operation up and down, the stoping operations such as ore deposit, ore removal that fall in the substoping route do not need to dig special-purpose ore removal polycrystalline substance; Broken ore is emitted under the avalanche country rock covers.
On spatial placement, the extracting drift of each segmentation drops on the ore body side grain, by the explosion cell cube of extracting drift and ore caving interval control 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 demonstration of independence and space omnidirectional to each explosion cell cube.Because can not concern with the lane space position explosion cell cube and explosion cell cube and make the space truly expressed, the geologic reserve that the explosion cell cube has can only probably be estimated according to design volume and mean specific gravity.Actual factor owing to explosion, tunnel full-size(d) and design size have certain error, and the explosion cell cube also can have discrepancy with design shape and size because of the factor of its exploiting field of living in engineering layout or the factor (particularly ore body limit portion) of ore body.Therefore two-dimensional approach is abstract to the cognition of explosion cell cube, is extensive to the management of explosion cell cube, and the two dimensional model that demonstrates is accurate inadequately, the error rate height.
Summary of the invention
For addressing the above problem, the invention discloses the true three-dimensional model method for building up of a kind of mining blasting cell cube, utilize the Computerized three-dimensional modeling technique, to the modeling of explosion cell cube, can realize explosion cell cube truly expressed and independent and omnibearing 3-D display are reached the purpose 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:
A kind of very three-dimensional mining blasting unit model method for building up comprises the steps:
(1), on the XY plane, generates the center line of this layering and all extracting drift spacings of higher slice, and form the line file preservation according to the extracting drift design pitch;
(2) extracting drift of explosion cell cube yet to be built and the extracting drift of last two layerings thereof are pressed ore caving interval sectility face simultaneously, and generate the center line of extracting drift design pitch on the 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 yet to be built unit entity is opened input parameter and carry out spatial object and select at software graphical window;
(4) the operation algorithm carries out solid modelling.
As a preferred embodiment of the present invention, described step (4) comprises following concrete operation process:
(4.1) generate two layering wedge shape lines by drill height and minimum explosion angle;
(4.2) utilize the wedge shape line that generates in the step (4.1) and each slicing route outline line to carry out computing and draw four outline lines that extracting drift section part overlaps fully with the actual measurement that constitutes the explosion cell cube;
As a preferred embodiment of the present invention, the parameter of input comprises ore caving interval, drill height and minimum explosion angular dimensions in the described step (3), and spatial object comprises this layering and higher slice drift interval center line and the extracting drift profile of three layerings up and down.
As a kind of improvement project of the present invention, also comprise the steps: after in steps in institute
(5) outline line is carried out manual editing's processing.
True three-dimensional model method for building up provided by the invention has following advantage and technique effect:
1. the physical size of simulating the explosion cell cube truly of can trying one's best and and shape, make the establishment of the mining production schedule no longer rely on space imagination and estimation, but the Computerized three-dimensional graphical interfaces by select to real space position, shape and size carry out true three-dimensional simulation the explosion cell cube realize.By the explosion cell cube is composed geological property, when selecting the explosion cell cube, can realize automatic statistics to explosion cell cube geologic reserve and element geologic grade.
2. dynamically check and write off statistics utilization with traditional reserves and go up lower leaf ore body floor plan and dass present situation figure, adopt piece section method account form difference, after adopting method provided by the invention to set up the explosion cell cube, the geologic reserve that can directly add 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 has also had jumbo raising.
3. in addition be object all because production schedule establishment is is dynamically checked and write off with reserves with the explosion cell cube, after explosion cell cube solid model is set up, the mining process management with digitizing the explosion cell cube be object, the utilization of resources is science more.
Description of drawings
Fig. 1 is the sectional view that utilizes all explosion cell cubes on a certain cross section that traditional two-dimensional graphics mode shows;
Fig. 2 is the different avalanche ranking of a whole stope profile line;
Fig. 3 is the extracting drift sectional view of the center line of generation extracting drift spacing center line and Z direction;
Fig. 4 is the software interface synoptic diagram of input ore caving interval;
Fig. 5 is for selecting the software interface synoptic diagram of this layering mesh lines;
Fig. 6 is for selecting the software interface synoptic diagram of this layering extracting drift profile;
Fig. 7 is the software interface synoptic diagram of input drill height and minimum explosion angular dimensions;
The make a living extracting drift sectional view of wedge shape line of cost layering of Fig. 8;
Fig. 9 is the extracting drift sectional view of the wedge shape line of generation higher slice both sides extracting drift;
Figure 10 is with the extracting drift sectional view behind wedge shape line among Fig. 9 and the extracting drift outline line;
Figure 11 is with the extracting drift sectional view after the crossing in twos computing of the execution of the wedge shape line among Figure 10;
Figure 12 is the extracting drift sectional view that calculates the final outline line of explosion cell cube;
Figure 13 is an explosion unit solid model;
Figure 14 is a 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, the 6-higher slice first wedge shape line, the 7-higher slice second wedge shape line, 8-higher slice first merges the wedge shape line, 9-higher slice second merges the wedge shape line, the wedge shape line is intersected in this layering of 10-, and 11-is the computing line in twos, the final outline line of 12-explosion cell cube.
Embodiment
Below with reference to specific embodiment technical scheme provided by the invention is elaborated, should understands following embodiment and only be used to the present invention is described and be not used in and limit the scope of the invention.
Adopt bottom-column-free sectional caving stoping method, the stope design parameter is: 15 meters of heights of lift, 20 meters of drift intervals.Ore body is south-north direction, and north and south is about 800 meters, and thing is wide about 500 meters, and the ore body position angle is 20 ° of norths by east.
According to above-mentioned design parameter, utilize software to generate stope and each slicing route outline line 1.The present invention is preferably finished by professional 3-dimensional digital mining software Surpac software secondary development, adopt semi-automatic mode to realize: program provides the parameter input interface, selects pending spatial object (drift section, center line etc.) with user interactions in operational process; Program is handled automatically to the parameter of user's input and the spatial object of selection, generates the explosion cell cube.Alleged herein tunnel is extracting drift.
Begin from-273 meters levels, adopt the present invention that the explosion cell cube is carried out three-dimensional modeling,
Concrete modeling procedure is as follows:
Step (1): according to extracting drift spacing design parameter, generate the center line 2 of this layering extracting drift spacing and the center line 3 of all extracting drift spacings of higher slice on the XY plane, center line 2 and center line 3 also are called as mesh lines.Because actual driving back tunnel specification and design load have gap, center line therefore of the present invention adopts design parameter, so that the locus of explosion cell cube is retrained better.Because the design drift interval is 20 meters, then generates extracting drift spacing center line, and form the line file preservation at each 10 meters from about the line of extracting drift design centre.
Step (2): the extracting drift of explosion cell cube yet to be built and the extracting drift of last two segmentations thereof are pressed ore caving interval sectility face simultaneously by design avalanche ranking, the different avalanche ranking of stope profile line as shown in Figure 2, with one of them section is example, one has three layerings among the figure, wherein orlop is this layering, and from bottom to top counting the second layer is higher slice.When the sectility face, generate the center line 4 of this layering extracting drift design pitch, so that visually with on the algorithm technological constraint is carried out on the border of explosion cell cube in the Z direction.Fig. 3 is the extracting drift sectional view of the center line of generation 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 yet to be built unit entity is opened at Surpac software graphical window, operation cell cube modeling program, this program is formed by the secondary development language Tcl language development that Surpac software provides, embed the Surpac running software, be specifically designed to the solid modelling that solves the explosion cell cube.Following for to utilize this program to set up the concrete steps of explosion unit model: the cell cube modeling program provides input window and shows the corresponding prompt statement in software interface, follow procedure is pointed out respectively input parameter and is carried out spatial object and select, and moves algorithm subsequently and carries out solid modelling.In this example, concrete steps are as follows: as shown in Figure 4, eject the prompt window (being ore caving interval) of input array pitch on the software interface, this moment is the input array pitch manually.Program prompts is selected spatial object subsequently, specifically be divided into two steps: as shown in Figure 5, show " selecting this layering mesh lines " prompt statement on the software interface, select this layering mesh lines with mouse or hot key, orlop extracting drift place is layered as this layering among the figure.After choosing this layering mesh lines, as shown in Figure 6, show the prompt statement of " selecting this layering tunnel outline line " on the software interface, select this layering extracting drift profile with mouse or hot key this moment.After finishing the selection of this layering extracting drift, as shown in Figure 7, eject drill height and minimum explosion angular dimensions input interface on the software interface, input drill height and minimum explosion angular dimensions on the interface.After finishing this hierarchical operations, in like manner carry out the selection and the parameter input of higher slice mesh lines and higher slice and top layer drift section.Thereby finish the parameter input of three layerings.
Step (4): cell cube modeling program operation algorithm carries out solid modelling.
(4.1) generate four hypotenuses of two laminated solid body outline lines by drill height and minimum explosion angle, thereby form explosion cell cube contour feature line.
Obtain the coordinate of this layering extracting drift section base two-end-point, concrete way by: had a few on the program pass extracting drift section, two points of Z coordinate minimum are section base two-end-point, calculate base center point coordinate (being this layering extracting drift base center point coordinate), according to moving central point (promptly adding drill height) on the drill height with base central point Z coordinate, obtain the rig center point coordinate (X0, Y0, Z0); According to drift interval center line end points (A point among the figure in rig centre coordinate and the extracting drift section file, A and B are respectively the intersection points of section base extended line and this layering extracting drift spacing center line 2 and Z direction center line 4) planimetric coordinates or space distance between beeline and dot computing formula calculate the horizontal range of rig center to center line, S among the figure, then XY planimetric coordinates 2. equals A point planimetric coordinates, and putting 2., the Z coordinate is: Z1=Z0+S*tan α (α is minimum explosion angle).
Move certain distance on the same level position with putting 2., obtain a little 3. coordinate, move distance on aforesaid should preestablish, generally greater than three heights of lift.
As shown in Figure 8, in like manner calculate a little 4., 5. three-dimensional coordinate of point, after institute have a few and determines, 1. Automatic Program will be put, point 2., point 3., put 4., put and 5. be linked to be closed line, obtain this layering wedge shape line 5.
Obtain higher slice extracting drift central point A1 and B1 coordinate,, generate the 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 according to above-mentioned identical algorithms.
(4.2) by computing explosion unit model outline line is overlapped fully with four extracting drift section parts of the actual measurement that constitutes the explosion cell cube:
Behind drill height and minimum explosion angle generation wedge shape line, the line and the line that utilize Surpac software itself to provide respectively are interior crossing, outer intersecting, the line merge algorithm, to wedge shape line and tunnel outline line, carry out calculation process in twos between wedge shape line and the wedge shape line respectively, merge wedge shape line 8 by first wedge shape line 6 of higher slice among Fig. 9 and the higher slice first that higher slice extracting drift outline line execution line union operation obtains as shown in figure 10, carry out the higher slice second that the line union operation obtains as shown in figure 10 by second wedge shape line 7 of higher slice among Fig. 9 and higher slice extracting drift outline line and merge wedge shape line 9, carry out outer intersecting obtaining this layering shown in Figure 10 and intersect wedge shape line 10 by this layering wedge shape line among Fig. 95 and this layering extracting drift outline line.Again the wedge shape line among Figure 10 is carried out and intersected computing in twos, wedge shape line 9 is shipped with wedge shape line 10 execution foreign ministers and is calculated the line of computing in twos 11 that obtains among Figure 11 among Figure 10, line 11 is carried out outer intersecting with line 8 again, the line that obtains is carried out outer intersecting with top layer extracting drift outline line again, obtains the final outline line 12 of explosion cell cube shown in Figure 12 at last; Finish the explosion unit model according to ore caving interval subsequently and set up, as shown in figure 13, thereby finish solid modelling.
Explosion unit model base after modeling is finished overlaps fully with this layering tunnel vault; Both sides overlap fully, and are no more than 1/2nd center lines of drift interval design load with base plate, the half group in tunnel, the higher slice left and right sides; The top does not exceed the top layer roadway floor that constitutes cell cube, adopts the explosion cell cube shape and size that explosion cell cube that method provided by the invention sets up can truly expressed reality.
It should be noted that in the ore body particularly the imperfect explosion cell cube of ore body limit portion after explosion unit outline line generates, is carried out further manual editing to outline line and handled, and can generate special shape cell cube as shown in figure 14.
The present invention adopts the standardization naming method that the entity file of explosion cell cube is carried out organization and administration, not only the entity file name is relevant with explosion cell cube locus, and cell cube outline line wire size, entity numbering are also encoded according to locus, explosion cell cube place.
The explosion unit model is composed geological property by Block Model to it, and it is deposited in the database after setting up, and adopts file and database dual mode respectively the body file and the geological property of model to be managed, and file and database are realized interactive access.
Because being mining, the explosion cell cube produces and most important object of mine resources reserves management and means, by setting up three-dimensional entity model, the production schedule establishment in mine, production run management, resource reserve are checked and write off and have been realized that all with true three-dimensional model be the visual of object, changed and utilized planimetric map, the two dimensional technique means that rely on the imagination and estimation that the explosion cell cube is managed, with visual, digitized technological means, realized that the mine produces and the fine-grained management of resource.
The disclosed technological means of the present invention program is not limited only to the disclosed technological means of above-mentioned embodiment, also comprises the technical scheme of being made up of above technical characterictic combination in any.
Claims (4)
1. a very three-dimensional mining blasting unit model method for building up is characterized in that, comprises the steps:
(1), on the XY plane, generates the center line of this layering and all extracting drift spacings of higher slice, and form the line file preservation according to the extracting drift design pitch;
(2) extracting drift of explosion cell cube yet to be built and the extracting drift of last two layerings thereof are pressed ore caving interval sectility face simultaneously, and generate the center line of extracting drift design pitch on the 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 yet to be built unit entity is opened input parameter and carry out spatial object and select at software graphical window;
(4) the operation algorithm carries out solid modelling.
2. very three-dimensional mining blasting unit model method for building up according to claim 1 is characterized in that described step (4) comprises following concrete operation process:
(4.1) generate two layering wedge shape lines by drill height and minimum explosion angle;
(4.2) utilize the wedge shape line that generates in the step (4.1) and each slicing route outline line to carry out computing and draw four outline lines that extracting drift section part overlaps fully with the actual measurement that constitutes the explosion cell cube.
3. very three-dimensional mining blasting unit model method for building up according to claim 1, it is characterized in that, the parameter of input comprises ore caving interval, drill height and minimum explosion angular dimensions in the described step (3), and spatial object comprises this layering and higher slice drift interval center line and the extracting drift profile of three layerings up and down.
4. according to any described very three-dimensional mining blasting unit model method for building up in the claim 1～3, it is characterized in that, also comprise the steps: after in steps in institute
(5) outline line is carried out manual editing's processing.
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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 |
| CN105574225A (en) * | 2015-04-28 | 2016-05-11 | 南京梅山冶金发展有限公司 | Method for layer judgment and layer number storage and recording of mining blasting unit body |
| CN107945178A (en) * | 2017-12-19 | 2018-04-20 | 大昌建设集团有限公司 | A kind of residual hole automatic identification of explosion and feature extracting method |
| CN111210509A (en) * | 2020-01-16 | 2020-05-29 | 厦门理工学院 | Method and device for determining shape of motor housing after stretching and rebounding |
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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 |
| CN105574225A (en) * | 2015-04-28 | 2016-05-11 | 南京梅山冶金发展有限公司 | Method for layer judgment and layer number storage and recording of mining blasting unit body |
| 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 |
| CN107945178A (en) * | 2017-12-19 | 2018-04-20 | 大昌建设集团有限公司 | A kind of residual hole automatic identification of explosion and feature extracting method |
| CN111210509A (en) * | 2020-01-16 | 2020-05-29 | 厦门理工学院 | Method and device for determining shape of motor housing after stretching and rebounding |
| 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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Address after: 210039 new building, Zhonghua Gate, Yuhuatai District, Jiangsu, Nanjing Patentee after: Nanjing Baodi Meishan Industrial City Development Co.,Ltd. Patentee after: SHANGHAI MEISHAN IRON & STEEL Co.,Ltd. Address before: 210039 new building, Zhonghua Gate, Yuhuatai District, Jiangsu, Nanjing Patentee before: NANJING MEISHAN METALLURGY DEVELOPMENT Co.,Ltd. Patentee before: SHANGHAI MEISHAN IRON & STEEL Co.,Ltd. |
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Effective date of registration: 20211117 Address after: 210039 new building, Zhonghua Gate, Yuhuatai District, Jiangsu, Nanjing Patentee after: Nanjing Baodi Meishan Industrial City Development Co.,Ltd. Address before: 210039 new building, Zhonghua Gate, Yuhuatai District, Jiangsu, Nanjing Patentee before: Nanjing Baodi Meishan Industrial City Development Co.,Ltd. Patentee before: SHANGHAI MEISHAN IRON & STEEL Co.,Ltd. |