CN106895755B - A kind of air bench blasting intellectualized design method - Google Patents

A kind of air bench blasting intellectualized design method Download PDF

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Publication number
CN106895755B
CN106895755B CN201710108109.0A CN201710108109A CN106895755B CN 106895755 B CN106895755 B CN 106895755B CN 201710108109 A CN201710108109 A CN 201710108109A CN 106895755 B CN106895755 B CN 106895755B
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blasthole
baseplane
coordinate
burst region
contour line
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CN106895755A (en
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刘强
张航
池恩安
赵明生
陶铁军
康强
李�杰
余红兵
周建敏
李想
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Poly Xinlian Blasting Engineering Group Co Ltd
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Guizhou Xinlian Blasting Engineering Group Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42DBLASTING
    • F42D3/00Particular applications of blasting techniques
    • F42D3/04Particular applications of blasting techniques for rock blasting
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42DBLASTING
    • F42D1/00Blasting methods or apparatus, e.g. loading or tamping

Abstract

The present invention provides a kind of air bench blasting intellectualized design method, includes the foundation of burst region dimensionally form point cloud accurate model, and blasthole adaptively arranges that blast hole depth calculates automatically, calculated based on VORONOI bodies dynamite quantity per hole that stemming length calculates automatically;And cloth hole result can be visualized and provide coordinate, hole depth, explosive payload and the stemming length of each blasthole in table form.The invention achieves larger raising in bench blasting design accuracy, efficiency and economic benefit etc., preferably meets bench blasting and designs quick, accurate and efficient requirement.

Description

A kind of air bench blasting intellectualized design method
Technical field
The present invention relates to engineering explosion field, specially a kind of air bench blasting intellectualized design method.
Background technology
Traditional explosion design only provides guidance note file, and blasting parameter is mostly that designer relies on for many years Design experiences determine that design lacks scientific and reasonability in itself.In addition, on-site personnel is only capable of making explosion design document For reference, according to field geology, topographic features, the minimum burden, coordinate, dress of each blasthole are determined by personal construction experience The blasting parameters such as dose, stemming length, it is low, economical that the Empirical determination of design and construction result in bursting work efficiency itself Cost is high, security is poor, and further have impact on shovel dress, digs the efficiency of fortune, mining integrated cost rise.
Then engineering explosion researcher is engaged in both at home and abroad by virtue of experience to set to how the operation of surface mine bench blasting is broken away from Count, operate this rough, poorly efficient operating type, realize that surface mine bench blasting design based on digital, intellectuality are managed By the research with method.From explosion design documentation electronization is initially realized, later by computer realize the half of explosion design from Dynamic semi-hand design, by now explosion design a calculating machine full-automation, and three dimensional stress, intellectuality, visualization turn into bench blasting Design the new focus studied both at home and abroad.
In explosion designs a calculating machine ancillary technique, Blasting geology and the digitlization of burst region landform and numeral are realized The high accuracy for changing model is crucial.
Because existing explosion design system is generally all to carry out explosion on burst region Terrain Simplification ideal geometric model Design is very big due to simplifying landform and actual landform deviation, it is impossible to protect although system can provide each hole and lay parameter value Hinder the reasonability of design parameter, whether round minimum burden meets design requirement before can not especially ensureing, and then influences heel row The laying in hole, it is therefore desirable to propose that brand-new technical scheme is improved and perfect.
The content of the invention
It is an object of the invention to provide a kind of air bench blasting intellectualized design method, to solve above-mentioned background technology The problem of middle proposition.
To achieve the above object, the present invention provides following technical scheme:A kind of air bench blasting intellectualized design method, Comprise the steps of:
S1:Step burst region point cloud, step top of the slope contour line and step bottom of slope contour line are inputted, for step top of the slope wheel There is a key element to generate initial burst region baseplane and bench crest, including following sub-step in profile and step bottom of slope contour line Suddenly:
s1.1:Step top of the slope contour line and step bottom of slope contour line and buffer threshold are inputted, step top of the slope contour line is thrown Shadow to plane where step bottom of slope contour line, and according to buffer threshold by step top of the slope contour line and step bottom of slope contour line with Area boundary portion merging, generation step baseplane are not excavated;
s1.2:The elongated segment of step bench crest two is intersected with quick-fried area boundary line and exceeds segment;
S2:Step baseplane is generated as burst region using step S1, then pushes away life into quick-fried area by step bench crest Into steel for shot boost line, blasthole centre coordinate, including following sub-step are then equidistantly intercepted in blasthole boost line:
S2.1 calculates pitch-row by shoulder height, blasthole diameter, explosive density with explosive specific charge;
For s2.2 according to step baseplane, the pitch-row determined with previous step will equidistantly push away generation blasthole cloth in step bench crest Boost line is put, until being covered with whole burst region baseplane, is dismissed beyond baseplane with outer portion;
S2.3 is in the steel for shot boost line that previous step generates, etc. the coordinate bit that array pitch intercepts each blasthole center successively Put, until every steel for shot boost line completes this operation, preserve all blasthole center position coordinates;
S3:Centered on step S2 generates blasthole center position coordinates, vonoroi grids are generated to burst region, will Grid intersects generation vonoroi bodies along blasthole axial tension with quick-fried area's point cloud DEM, and each vonoroi bodies are each blasthole institute The volume of burden, the explosive payload of each blasthole, including following sub-step are further calculated,
s3.1:To the burst region baseplane containing blasthole coordinate, vonoroi grids are generated centered on blasthole coordinate;
s3.2:DEM is generated according to the burst region of input point cloud, by vonoroi grids along blasthole axial tension and quick-fried area The intersecting generation vonoroi bodies of point cloud DEM, calculate each vonoroi bodies volume and preserve;
s3.3:Make to multiply with explosive specific charge with each vonoroi bodies volume, calculate the explosive payload of each blasthole;
S4:Their projection seats on quick-fried area's point cloud are found in the coordinate of burst region baseplane according to each blasthole center Mark, each blasthole length value is calculated using two coordinate values and blasthole ultra-deep value;
S5:Corresponding blast hole projectile filling length is calculated using each hole charge according to continuous coupled powder charge principle, then uses big gun Hole length and loaded length value calculate each blast hole stemming length, and preserve result of calculation;
S6:Collect blasthole centre coordinate value, corresponding hole charge, blasthole length and stemming length, export blasting parameter Summary sheet.
Preferably, blasthole described in step S2 arranges that realization is as follows automatically:Pass through shoulder height, blasthole diameter, explosive density Pitch-row is calculated with explosive specific charge, the step baseplane generated according to step s1.1;The pitch-row determined with step s2.1 equidistantly will Generation steel for shot boost line is pushed away in step bench crest, until being covered with whole burst region baseplane, beyond baseplane with outside Divide and dismiss;In the steel for shot boost line of step s2.2 generations, etc. the coordinate position that array pitch intercepts each blasthole center successively, Until every steel for shot boost line completes this operation, all blasthole center position coordinates are preserved, finally put down burst region bottom All blasthole center position coordinates project to quick-fried area's point cloud on face, and projection of the blasthole center position coordinates on quick-fried area's point cloud is Blasthole final position coordinate.
Preferably, it is as follows to calculate realization for each blasthole dose automatic and accurate described in step S3:To containing the quick-fried of blasthole coordinate Broken region baseplane, generates vonoroi grids centered on blasthole coordinate;DEM is generated according to the burst region of input point cloud, will Vonoroi grids intersect generation vonoroi bodies along blasthole axial tension with quick-fried area's point cloud DEM, calculate each vonoroi bodies body Product;Make to multiply with explosive specific charge with each vonoroi bodies volume, calculate the explosive payload of each blasthole.
Preferably, each blasthole length automatic and accurate is calculated as follows:According to each blasthole center at burst region bottom The coordinate of plane finds their projection coordinates on quick-fried area's point cloud, and each blasthole is calculated using two coordinate values and blasthole ultra-deep value Length value.
Preferably, corresponding blast hole projectile filling length is calculated using each hole charge according to continuous coupled powder charge principle, then Make difference with blasthole length and loaded length value and calculate each blast hole stemming length.
Compared with prior art, the beneficial effects of the invention are as follows:The present invention proposes one according to air bench blasting theory Bench blasting design method of the kind based on burst region point cloud geometry accurate model:Pass through 3 D laser scanning or photogrammetric skill Art obtains air bench blasting region topographic(al) point mysorethorn scape model, burst region three-dimensional live landform is digitized, according to this hair It is bright, measure the simultaneously each blasthole coordinate of automatic Calibration by the way that aided algorithm is accurate on model;And will be quick-fried using vonoroi grids Broken region division is the volume group of each blasthole burden, and automatic and accurate calculates the explosive payload of each blasthole;Using burst region Form point cloud model accurately calculates each blasthole length, stemming length automatically;Realize explosion design based on digital, automation, visual Change;Compared to traditional design and existing explosion design system, the invention is based on burst region dimensionally form point mysorethorn scape model, from The each hole coordinate of dynamic Accurate Calibration, automatic and accurate calculate each hole dose, blasthole length, stemming length, and the invention significantly carries High design efficiency, precision, reduce design difficulty, complexity.
Brief description of the drawings
Fig. 1 is flow chart of the embodiment of the present invention when air bench blasting designs.
Fig. 2 is air bench blasting region point cloud model schematic diagram in the embodiment of the present invention.
Fig. 3 is borehole blasting of embodiment of the present invention zone boundary schematic diagram.
Fig. 4 is that steel for shot boost line generates schematic diagram in the embodiment of the present invention.
Fig. 5 is to generate blasthole schematic diagram in the embodiment of the present invention in steel for shot boost line.
Fig. 6 is that blasthole adaptively arranges schematic diagram in the embodiment of the present invention.
Fig. 7 is that blasthole bears volume voronoi bodies generation schematic diagram in the embodiment of the present invention.
Fig. 8 is air bench blasting design parameter summary sheet in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made Embodiment, belong to the scope of protection of the invention.
Fig. 1-8 are referred to, the present invention provides a kind of technical scheme:A kind of air bench blasting intellectualized design method, bag Containing following steps:
S1:Step burst region point cloud, step top of the slope contour line and step bottom of slope contour line are inputted, for step top of the slope wheel There is a key element to generate initial burst region baseplane and bench crest, including following sub-step in profile and step bottom of slope contour line Suddenly:
s1.1:Step top of the slope contour line and step bottom of slope contour line and buffer threshold are inputted, step top of the slope contour line is thrown Shadow to plane where step bottom of slope contour line, and according to buffer threshold by step top of the slope contour line and step bottom of slope contour line with Area boundary portion merging, generation step baseplane are not excavated;
s1.2:The elongated segment of step bench crest two is intersected with quick-fried area boundary line and exceeds segment;
S2:Step baseplane is generated as burst region using step S1, then pushes away life into quick-fried area by step bench crest Into steel for shot boost line, blasthole centre coordinate, including following sub-step are then equidistantly intercepted in blasthole boost line:
S2.1 calculates pitch-row by shoulder height, blasthole diameter, explosive density with explosive specific charge;
For s2.2 according to step baseplane, the pitch-row determined with previous step will equidistantly push away generation blasthole cloth in step bench crest Boost line is put, until being covered with whole burst region baseplane, is dismissed beyond baseplane with outer portion;
S2.3 is in the steel for shot boost line that previous step generates, etc. the coordinate bit that array pitch intercepts each blasthole center successively Put, until every steel for shot boost line completes this operation, preserve all blasthole center position coordinates;
The blasthole arranges that realization is as follows automatically:Calculated by shoulder height, blasthole diameter, explosive density with explosive specific charge Pitch-row, the step baseplane generated according to step s1.1;It will equidistantly be pushed away with the step s2.1 pitch-rows determined in step bench crest Steel for shot boost line is generated, until being covered with whole burst region baseplane, is dismissed beyond baseplane with outer portion;In step In the steel for shot boost line of s2.2 generations, etc. the coordinate position that array pitch intercepts each blasthole center successively, until every blasthole Arrangement boost line completes this operation, all blasthole center position coordinates is preserved, finally by all blastholes on burst region baseplane Center position coordinates project to quick-fried area's point cloud, and projection of the blasthole center position coordinates on quick-fried area's point cloud is blasthole final position Coordinate.
S3:Centered on step S2 generates blasthole center position coordinates, vonoroi grids are generated to burst region, will Grid intersects generation vonoroi bodies along blasthole axial tension with quick-fried area's point cloud DEM, and each vonoroi bodies are each blasthole institute The volume of burden, the explosive payload of each blasthole, including following sub-step are further calculated,
s3.1:To the burst region baseplane containing blasthole coordinate, vonoroi grids are generated centered on blasthole coordinate;
s3.2:DEM is generated according to the burst region of input point cloud, by vonoroi grids along blasthole axial tension and quick-fried area The intersecting generation vonoroi bodies of point cloud DEM, calculate each vonoroi bodies volume and preserve;
s3.3:Make to multiply with explosive specific charge with each vonoroi bodies volume, calculate the explosive payload of each blasthole;
It is as follows to calculate realization for each blasthole dose automatic and accurate described in step S3:To the burst region bottom containing blasthole coordinate Plane, vonoroi grids are generated centered on blasthole coordinate;DEM is generated according to the burst region of input point cloud, by vonoroi Grid intersects generation vonoroi bodies along blasthole axial tension with quick-fried area's point cloud DEM, calculates each vonoroi bodies volume;With each Vonoroi bodies volume is made to multiply with explosive specific charge, calculates the explosive payload of each blasthole.
S4:Their projection seats on quick-fried area's point cloud are found in the coordinate of burst region baseplane according to each blasthole center Mark, each blasthole length value is calculated using two coordinate values and blasthole ultra-deep value;Each blasthole length automatic and accurate is calculated as follows:Root Their projection coordinates on quick-fried area's point cloud are found in the coordinate of burst region baseplane according to each blasthole center, utilize two coordinates Value and blasthole ultra-deep value calculate each blasthole length value.
S5:Corresponding blast hole projectile filling length is calculated using each hole charge according to continuous coupled powder charge principle, then uses big gun Hole length and loaded length value calculate each blast hole stemming length, and preserve result of calculation;According to continuous coupled powder charge principle profit Corresponding blast hole projectile filling length is calculated with each hole charge, then makees difference with blasthole length and loaded length value and calculates each blasthole Stemming length.
S6:Collect blasthole centre coordinate value, corresponding hole charge, blasthole length and stemming length, export blasting parameter Summary sheet.
When it is implemented, the inventive method can realize automatic running using computer software technology.Referring to Fig. 1, embodiment The method flow provided comprises the following steps:
S1:Step burst region point cloud C, step top of the slope contour line Ltop and step bottom of slope contour line Lbom are inputted, for Have in step top of the slope contour line Ltop and step bottom of slope contour line Lbom a key element generate initial burst region baseplane with Bench crest, including following sub-step:
s1.1:Step top of the slope contour line and step bottom of slope contour line and buffer threshold are inputted, step top of the slope contour line is thrown Shadow to plane where step bottom of slope contour line, and according to buffer threshold by step top of the slope contour line and step bottom of slope contour line with Area boundary portion merging, generation step baseplane S are not excavated;
s1.2:The elongated segment of step bench crest two is intersected with quick-fried area boundary line and exceeds segment, generates new step top of the slope Line T;
S2:Using step 1 generation step baseplane S as burst region, then push away life into quick-fried area by step bench crest Into steel for shot boost line, blasthole centre coordinate P is then equidistantly intercepted in blasthole boost line, finally by blasthole centre coordinate P Project to a cloud C, including following sub-step:
S2.1, pitch-row a is calculated with explosive specific charge by shoulder height, blasthole diameter, explosive density;
S2.2, according to step baseplane, generation big gun equidistantly will be pushed away in step bench crest with the pitch-row a that step 2.1 determines Boost line La is arranged in hole, until being covered with whole burst region baseplane, is dismissed beyond baseplane with outer portion;
S2.3, on the steel for shot boost line La of step s2.2 generations, each blasthole center is intercepted successively etc. array pitch b Coordinate position, until every steel for shot boost line completes this operation, all blasthole center position coordinates are preserved to set P.
S3:Centered on step S2 generates blasthole center position coordinates P, vonoroi grids are generated to burst region, will Grid intersects generation vonoroi body groups N along blasthole axial tension with quick-fried area's point cloud DEM, and each vonoroi bodies Ni is each big gun The volume that hole is born, the explosive payload Qi of each blasthole, including following sub-step are further calculated,
s3.1:To the burst region baseplane S containing blasthole coordinate, vonoroi nets are generated centered on blasthole coordinate P Lattice;
s3.2:DEM is generated according to the burst region of input point cloud, by vonoroi grids along blasthole axial tension and quick-fried area The intersecting generation vonoroi body set N of point cloud DEM, calculate each vonoroi bodies volume and are stored in Ni;
s3.3:Make to multiply with explosive specific charge q with each vonoroi bodies Ni volumes, calculate explosive payload and the preservation of each blasthole In Qi.
S4:Their throwings on quick-fried area's point cloud C are found in burst region baseplane S coordinate P according to each blasthole center Shadow coordinate P ', utilizes P, P ' absolute value and the blasthole ultra-deep value of difference h's and each blasthole length value of calculating and be stored in Li.
S5:Corresponding blast hole projectile filling length li is calculated using each hole charge Qi according to continuous coupled powder charge principle, then Each blast hole stemming length is calculated with blasthole length Li and loaded length li, and preserves result of calculation in LDi.
S6:Collect blasthole centre coordinate value P, corresponding hole charge Q, blasthole length L and stemming length LD, export explosion Parameter summary sheet, as shown in Figure 8.
This programme only needs to input step burst region point cloud model C, step top of the slope contour line Ltop and step bottom of slope profile Line Lbom, and step design height H, blasthole diameter D, explosive density p and explosive specific charge q, software can perform above step, Finally provide steel for shot figure and blasting parameter summary sheet.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (5)

1. a kind of air bench blasting intellectualized design method, it is characterised in that comprise the steps of:
S1:Step burst region point cloud, step top of the slope contour line and step bottom of slope contour line are inputted, for step top of the slope contour line With there is key element to generate initial burst region baseplane and a bench crest, including following sub-step in step bottom of slope contour line:
s1.1:Step top of the slope contour line and step bottom of slope contour line and buffer threshold are inputted, step top of the slope contour line is projected to Plane where step bottom of slope contour line, and according to buffer threshold by step top of the slope contour line and step bottom of slope contour line with not opening Dig area boundary portion to merge, generation step baseplane;
s1.2:The elongated segment of step top of the slope contour line two is intersected with quick-fried area boundary line and exceeds segment;
S2:Step baseplane is generated as burst region using step S1, then pushes away life into quick-fried area by step top of the slope contour line Into steel for shot boost line, blasthole centre coordinate, including following sub-step are then equidistantly intercepted in steel for shot boost line:
S2.1 calculates pitch-row by shoulder height, blasthole diameter, explosive density with explosive specific charge;
For s2.2 according to step baseplane, the pitch-row determined with previous step will equidistantly push away generation blasthole cloth in step top of the slope contour line Boost line is put, until being covered with whole burst region baseplane, is dismissed beyond baseplane with outer portion;
S2.3 is in the steel for shot boost line that previous step generates, etc. the coordinate position that array pitch intercepts each blasthole center successively, Until every steel for shot boost line completes this operation, all blasthole center position coordinates are preserved;
S3:Centered on step S2 generates blasthole center position coordinates, voronoi grids are generated to burst region, by grid Intersect generation voronoi bodies with quick-fried area's point cloud DEM along blasthole axial tension, each voronoi bodies are that each blasthole is born Volume, further calculate the explosive payload of each blasthole, including following sub-step:
s3.1:To the burst region baseplane containing blasthole coordinate, voronoi grids are generated centered on blasthole coordinate;
s3.2:DEM is generated according to the burst region of input point cloud, by voronoi grids along blasthole axial tension and quick-fried area's point cloud The intersecting generation voronoi bodies of DEM, calculate each voronoi bodies volume and preserve;
s3.3:Make to multiply with explosive specific charge with each voronoi bodies volume, calculate the explosive payload of each blasthole;
S4:Their projection coordinates on quick-fried area's point cloud are found in the coordinate of burst region baseplane according to each blasthole center, Each blasthole length value is calculated using two coordinate values and blasthole ultra-deep value;
S5:Corresponding blast hole projectile filling length is calculated using each hole charge according to continuous coupled powder charge principle, then grown with blasthole Degree and loaded length value calculate each blast hole stemming length, and preserve result of calculation;
S6:Collect blasthole centre coordinate value, corresponding hole charge, blasthole length and stemming length, output blasting parameter collects Table.
2. air bench blasting intellectualized design method as claimed in claim 1, it is characterised in that:Blasthole described in step S2 is certainly Dynamic arrangement is realized as follows:
Pitch-row is calculated with explosive specific charge by shoulder height, blasthole diameter, explosive density, the step bottom generated according to step s1.1 Plane;The pitch-row determined with step s2.1 will equidistantly push away generation steel for shot boost line, Zhi Daobu in step top of the slope contour line Full whole burst region baseplane, is dismissed beyond baseplane with outer portion;In the steel for shot boost line of step s2.2 generations, Etc. the coordinate position that array pitch intercepts each blasthole center successively, until every steel for shot boost line completes this operation, preservation institute There are blasthole center position coordinates, all blasthole center position coordinates on burst region baseplane finally projected into quick-fried area's point cloud, Projection of the blasthole center position coordinates on quick-fried area's point cloud is blasthole final position coordinate.
3. air bench blasting intellectualized design method as claimed in claim 1, it is characterised in that:Each big gun described in step S3 It is as follows that the explosive payload automatic and accurate in hole calculates realization:
To the burst region baseplane containing blasthole coordinate, voronoi grids are generated centered on blasthole coordinate;According to input Burst region point cloud generates DEM, and voronoi grids are intersected to generation voronoi along blasthole axial tension with quick-fried area's point cloud DEM Body, calculate each voronoi bodies volume;Make to multiply with explosive specific charge with each voronoi bodies volume, calculate the powder charge of each blasthole Amount.
4. air bench blasting intellectualized design method as claimed in claim 1, it is characterised in that:Each blasthole length Automatic and accurate is calculated as follows:
Their projection coordinates on quick-fried area's point cloud are found in the coordinate of burst region baseplane according to each blasthole center, utilized Two coordinate values and blasthole ultra-deep value calculate each blasthole length value.
5. the air bench blasting intellectualized design method as described in claim 1 or 2 or 4, it is characterised in that:According to continuous coupling Attach together medicine principle and calculate corresponding blast hole projectile filling length using each hole charge, then it is poor with blasthole length and loaded length value work Calculate each blast hole stemming length.
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