CN117408085A - Method, system, equipment and medium for designing coal mine gas extraction hole position - Google Patents
Method, system, equipment and medium for designing coal mine gas extraction hole position Download PDFInfo
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Abstract
The invention provides a method, a system, equipment and a medium for designing a coal mine gas extraction hole position, and relates to the technical field of gas extraction, wherein the method comprises the following steps: acquiring a three-dimensional model of the upper surface of the coal bed, and acquiring a plurality of construction surfaces of the three-dimensional model; selecting any construction surface and dividing a plurality of hole distribution lines parallel to the horizontal direction, wherein the distance between adjacent hole distribution lines is as followsWhereinIs the extraction radius; spaced on each hole distribution lineA plurality of hole distribution positions are uniformly arranged; acquiring a drilling site set and a central point position of a drilling site, and connecting the central point position with each hole distribution position, wherein a connecting line between the central point position and the hole distribution position is a drilling path; and acquiring an intersection point between the drilling path and the drilling scene as an opening position. The design method of the coal mine gas extraction hole position has the advantages of reducing the number of hole distribution positions and hole opening positions and conveniently determining the hole opening positions.
Description
Technical Field
The invention relates to the technical field of coal seam gas extraction, in particular to a method, a system, equipment and a medium for designing a coal seam gas extraction hole position.
Background
The high gas content in most mining areas in China leads to high gas disaster prevention and control pressure, and further restricts the safe production of mines. The drilling hole coal seam gas extraction technology is a fundamental measure for reducing gas content, preventing gas accidents and realizing safe coal extraction. The drilling and coal layer gas extraction technology has obvious application effect in mine gas control.
In gas extraction, since it is necessary to drill holes in the upper surface of the coal bed at the drill site, it is necessary to provide a starting position (hole position) for drilling holes in the drill site and to provide a terminating position (hole distribution position) for drilling holes in the upper surface of the coal bed. In order to avoid blank areas during gas extraction, a designer sets hole distribution positions as densely as possible during setting, so that the overlapping parts of extraction areas of different drilling holes are more, and the consumed hole opening time is longer; and it is inconvenient to determine the position of the opening on the drill site face in the drill site.
Disclosure of Invention
In view of the foregoing drawbacks or shortcomings of the prior art, it is desirable to provide a method, system, apparatus and medium for designing a coal mine gas extraction site to address the foregoing problems.
The invention provides a method for designing a coal mine gas extraction hole position, which comprises the following steps:
Acquiring a three-dimensional model of the upper surface of the coal bed, and acquiring a plurality of construction surfaces corresponding to the three-dimensional model of the upper surface of the coal bed, wherein the construction surfaces are planes on the periphery of the three-dimensional model of the upper surface of the coal bed;
selecting any one construction surface, dividing a plurality of hole distribution lines parallel to the horizontal direction on the construction surface, wherein the distance between the adjacent hole distribution lines is as followsWherein->Is the extraction radius; the interval of each hole distribution line is +.>A plurality of hole distribution positions are uniformly arranged;
traversing all the construction surfaces, and arranging a plurality of hole distribution positions on each construction surface;
acquiring a drilling site set and a central point position of the drilling site, wherein the drilling site set comprises a plurality of drilling sites forming the drilling site, and the central point position and each hole distribution position are connected, and a connecting line between the central point position and the hole distribution position is a drilling path; acquiring an intersection point between the drilling path and the drilling scene as an opening position;
checking whether the opening position can be opened or not, and deleting or adjusting the opening position if the opening position cannot be opened.
According to the technical scheme provided by the invention, the method for checking whether the hole opening position can be opened or not comprises the following steps of:
Judging whether the drill sites are coplanar with the side walls of the roadway one by one, and marking the drill sites as invalid drill sites when the drill sites are coplanar with the side walls of the roadway; when the drilling scene is not coplanar with the side wall of the roadway, marking the drilling scene as an effective drilling scene;
when judging that the hole opening position is the intersection point of the drilling path and the effective drilling scene, reserving the hole opening position;
and deleting the position of the opening when the position of the opening is judged to be the intersection point of the drilling path and the ineffective drilling scene.
According to the technical scheme provided by the invention, when the position of the open hole is judged to be the intersection point of the drilling path and the effective drilling scene, the open hole position is reserved, and then the method further comprises the following steps:
any effective drilling scene is taken, a corresponding set of opening positions and all drilling paths intersecting with the effective drilling scene are obtained, and the set of opening positions comprises all opening positions on the effective drilling scene;
deleting an opening position corresponding to the drilling path from the opening position set when judging that the included angle between the drilling path and the effective drilling scene is smaller than a first preset angle;
traversing all the hole position sets corresponding to the effective drilling sites, and deleting the hole positions corresponding to the drilling paths with the included angles smaller than the first preset angle corresponding to the effective drilling sites.
According to the technical scheme provided by the invention, the method further comprises the following steps:
when judging that the included angle between the drilling path and the effective drilling scene is larger than or equal to the first preset angle, dividing a plurality of drilling positions in the drilling position set into a plurality of groups, wherein all the drilling positions in each group are positioned on the same drilling line, and the drilling line is parallel to the corresponding hole distribution line on the construction surface;
optionally selecting one grouping, and calculating a first distance, wherein the first distance is the distance between two adjacent open pore positions in the grouping;
when the first distance is judged to be smaller than a first preset distance, the positions of the holes in the group are adjusted along the extending direction of the hole opening lines, and the first preset distance is larger than the diameter of a drill bit of the drilling machine; repeatedly calculating the first distance and adjusting the positions of the holes in the group until the first distance is greater than or equal to the first preset distance;
and deleting the open hole positions which are not in the corresponding effective drilling sites in the open hole position set when the open hole positions which are not in the corresponding effective drilling sites appear after adjustment in the group.
According to the technical scheme provided by the invention, after the first distance is judged to be smaller than the first preset distance, the method further comprises the following steps:
adjusting the distance between the adjacent groups to be larger than or equal to the first preset distance, wherein the distance between the adjacent groups is the distance between the open hole lines corresponding to the adjacent groups;
repeatedly calculating and adjusting the distance between the adjacent groups until the distance between the adjacent groups is greater than or equal to the first preset distance;
and when judging that the perforation line which is not in the corresponding effective drilling field is generated, deleting all perforation positions on the perforation line in the perforation position set.
According to the technical scheme provided by the invention, the positions of the hole distribution at the edges of the construction surface are at the distance from the corresponding edges on the corresponding construction surface of。
The second aspect of the invention provides a design system for a coal mine gas extraction hole position, which comprises:
the model acquisition module is configured to acquire a three-dimensional model of the upper surface of the coal seam, and acquire a plurality of construction surfaces corresponding to the three-dimensional model of the upper surface of the coal seam, wherein the construction surfaces are planes on the periphery of the three-dimensional model of the upper surface of the coal seam;
The hole distribution setting module is configured to select any one of the construction surfaces, divide a plurality of hole distribution lines parallel to the horizontal direction on the construction surface, and the distance between the adjacent hole distribution lines isWhereinIs the extraction radius; the interval of each hole distribution line is +.>A plurality of hole distribution positions are uniformly arranged; traversing all the construction surfaces, and arranging a plurality of hole distribution positions on each construction surface;
the drilling device comprises an opening setting module, a drilling module and a drilling module, wherein the opening setting module is configured to acquire a drilling site face set of a drilling site and a central point position of the drilling site, the drilling site face set comprises a plurality of drilling sites forming the drilling site, the central point position is connected with each hole distribution position, and a connecting line between the central point position and the hole distribution positions is a drilling path; acquiring an intersection point between the drilling path and the drilling scene as an opening position;
and the verification module is configured to verify whether the opening position can be opened or not, and delete or adjust the opening position if the opening position cannot be opened.
According to the technical scheme provided by the invention, the verification module comprises:
the surface detection unit is configured to judge whether the drilling surface is coplanar with the side wall of the roadway one by one, and mark the drilling surface as an invalid drilling surface when the drilling surface is coplanar with the side wall of the roadway; when the drilling scene is not coplanar with the side wall of the roadway, marking the drilling scene as an effective drilling scene;
The processing unit is configured to reserve the open hole position when judging that the open hole position is the intersection point of the drilling path and the effective drilling scene; and deleting the position of the opening when the position of the opening is judged to be the intersection point of the drilling path and the ineffective drilling scene.
A third aspect of the present invention provides a terminal device comprising a memory, a processor and a computer program stored in the memory and operable on the processor, the processor executing the computer program to implement the steps of the method for designing a coal mine gas extraction hole location as described above.
A fourth aspect of the invention provides a computer readable storage medium having a computer program processed to perform the steps of a coal mine gas extraction hole site design method as described above.
Compared with the prior art, the invention has the beneficial effects that: the method comprises the steps of acquiring a three-dimensional model of the upper surface of a coal seam, acquiring a plurality of construction surfaces corresponding to the three-dimensional model of the upper surface of the coal seam, selecting any one construction surface, dividing a plurality of hole distribution lines parallel to the horizontal direction on the construction surface, and enabling the distance between the adjacent hole distribution lines to be equal to Wherein->Is the extraction radius; the interval of each hole distribution line is +.>A plurality of hole distribution positions are uniformly arranged, so that the number of the hole distribution positions is reduced as much as possible while blank areas are prevented from appearing on the construction surface, the construction time is further shortened, and the construction efficiency is improved; the method comprises the steps that a drilling site set and a central point position of a drilling site are obtained, the drilling site set comprises a plurality of drilling sites forming the drilling site, the central point position and each hole distribution position are connected, and an intersection point between a drilling path and the drilling sites is obtained to serve as a hole opening position, so that the hole opening position can be conveniently determined on the drilling sites; through carrying out the verification to the trompil position for the convenience is adjusted the trompil position to actual conditions, avoids because the unsuitable problem that causes drilling construction to receive the influence in trompil position.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:
FIG. 1 is a flow chart of the steps of the method for designing the position of the coal mine gas extraction hole;
FIG. 2 is a schematic diagram of the positional relationship between a drill site and the upper surface of a coal seam;
FIG. 3 is a schematic view of the projected positions of the drill site and a construction surface on a horizontal plane;
FIG. 4 is a schematic view of the projection positions of the drilling site and the b-construction surface on the horizontal plane;
FIG. 5 is a schematic diagram of distribution of hole distribution positions on a construction surface;
FIG. 6 is a schematic diagram of the distribution of the positions of openings on the active drilling surface corresponding to the construction surface a;
FIG. 7 is a schematic diagram of a design system for a coal mine gas extraction hole position;
fig. 8 is a schematic diagram of a computer system of a terminal device according to the present invention.
Reference numerals: 1. roadway; 2. drilling sites; 3. the effective drilling scene; 4. ineffective drilling sites; 5. a center point position; 6. the position of the opening; 7. a perforated line; 8. the upper surface of the coal bed; 9. a construction surface; 10. a construction surface; 11. b, construction surface; 12. hole distribution positions; 13. hole line laying; 100. a computer system; 101. a CPU; 102. a ROM; 103. a RAM; 104. a bus; 105. an I/O interface; 106. an input section; 107. an output section; 108. a storage section; 109. a communication section; 110. a driver; 111. a removable medium; 210. a model acquisition module; 220. a hole distribution setting module; 230. an opening setting module; 240. and a verification module.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the invention are shown in the drawings.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
Example 1
Referring to fig. 1-6, the present embodiment provides a method for designing a hole for gas extraction in a coal mine, which includes the following steps:
s1, acquiring a three-dimensional model of an upper surface 8 of a coal bed, and acquiring a plurality of construction surfaces 9 corresponding to the three-dimensional model of the upper surface 8 of the coal bed, wherein the construction surfaces 9 are planes on the periphery of the three-dimensional model of the upper surface 8 of the coal bed;
s2, selecting any one construction surface 9, dividing a plurality of hole distribution lines 13 parallel to the horizontal direction on the construction surface 9, wherein the distance between every two adjacent hole distribution lines 13 is as followsWherein->Is the extraction radius; on each perforation line 13 is spaced +.>A plurality of hole distribution positions 12 are uniformly arranged;
S3, traversing all the construction surfaces 9, and arranging a plurality of hole distribution positions 12 on each construction surface 9;
s4, acquiring a drilling site face set of the drilling site 2 and a central point position 5 of the drilling site 2, wherein the drilling site face set comprises a plurality of drilling sites forming the drilling site 2, and the central point position 5 and each hole distribution position 12 are connected, and a connecting line between the central point position 5 and the hole distribution positions 12 is a drilling path; acquiring an intersection point between the drilling path and the drilling scene as an opening position 6;
s5, checking whether the hole opening position 6 can be opened, and deleting or adjusting the hole opening position 6 if the hole opening position 6 cannot be opened.
Specifically, in step S1, the upper surface 8 of the coal seam is located above the drill site 2, in this embodiment, the model of the upper surface 8 of the coal seam is a cuboid area as shown in fig. 2, and the model of the upper surface 8 of the coal seam includes six planes in total, wherein five surfaces except the ground are selected as construction surfaces 9, and a construction surface 10 and b construction surface 11 are two of the construction surfaces 9; after the model of the upper surface 8 of the coal bed is obtained, five construction surfaces 9 of the model of the upper surface 8 of the coal bed are collected. In other embodiments, the pattern of the coal seam upper surface 8 may also be irregularly shaped; if the model of the upper surface 8 of the coal seam is irregular, a cutting section of the model of the upper surface 8 of the coal seam can be selected as the construction surface 9.
Step S2, please refer to fig. 5, selecting one construction surface 9 from the five obtained construction surfaces 9, dividing a plurality of hole distribution lines 13 on the construction surface 9 from top to bottom, wherein the hole distribution lines 13 are parallel to each other and parallel to a horizontal plane; spaced on each of the hole distribution lines 13Uniformly arranging a plurality of hole distribution positions 12, wherein the hole distribution positions 12 are used as drilling end positions during hole opening; the corresponding hole distribution positions 12 on the adjacent hole distribution lines 13 are arranged along the extending direction perpendicular to the hole distribution lines 13, namely along the vertical direction, and the distance between the adjacent hole distribution lines 13 is set as +.>The method comprises the steps of carrying out a first treatment on the surface of the The distance between each of the hole-laying positions 12 and the other hole-laying positions 12 adjacent to the horizontal direction and the vertical direction is set to +.>On the basis that the combination of the extraction areas corresponding to each hole distribution position 12 can cover the construction surface 9, the overlapping parts of the extraction areas corresponding to the adjacent hole distribution positions 12 are reduced, the number of the hole distribution positions 12 is reduced, the time during drilling is further shortened, and the working efficiency is improved.
In step S3, all the collected construction surfaces 9 are traversed, and a plurality of hole distribution positions 12 are set on each construction surface 9 according to the method in step S2, so as to complete the setting of the hole distribution positions 12 on the whole coal seam upper surface 8.
In step S4, in the present embodiment, as shown in fig. 2, the drill site 2 is a cuboid area, and one surface is communicated with the side wall of the roadway 1. Selecting a drill site 2, and acquiring a drill site face set of the drill site 2 and a center point position 5 of the drill site 2, wherein the drill site 2 set comprises six drill site faces; connecting the central point position 5 and each hole distribution position 12, and taking a connecting line between the central point position 5 and the hole distribution positions 12 as a drilling path during drilling, namely a path for moving a drill; and acquiring an intersection point of each drilling path and the drilling scene, and taking the intersection point as a hole opening position 6, namely a starting point position during drilling.
In step S5, since the situation during the actual construction is uncertain, the open hole position 6 is verified according to the actual situation, and then the open hole position 6 is deleted or adjusted, so as to avoid influencing the construction.
Working principle: the invention acquires a model of the upper surface 8 of a coal bed, acquires a plurality of construction surfaces 9 of the model of the upper surface of the coal bed, selects any one construction surface 9, divides a plurality of hole distribution lines 13 parallel to the horizontal direction on the construction surface 9, and the distance between the adjacent hole distribution lines 13 is as followsWherein->Is the extraction radius; spaced on each perforation line 13 A plurality of hole distribution positions 12 are uniformly arranged, so that the number of holes is reduced as much as possible while blank areas are avoided on the construction surface 9, the construction time is further shortened, and the construction efficiency is improved; acquiring a drilling site set of a drilling site 2 and a central point position 5 of the drilling site 2, wherein the drilling site set comprises a plurality of drilling sites forming the drilling site 2, connecting the central point position 5 with each hole distribution position 12, and acquiring an intersection point between the drilling path and the drilling site as a hole opening position 6, so that the hole opening position 6 is conveniently determined on the drilling site; through carrying out the check-up to trompil position 6 for the convenience is adjusted trompil position 6 to actual conditions, avoids because the unsuitable problem that causes drilling construction to receive the influence in trompil position 6.
In a preferred embodiment, the checking whether the hole opening position 6 can be opened, and if not, deleting or adjusting the hole opening position 6, the method comprises the following steps:
judging whether the drill sites are coplanar with the side wall of the roadway 1 one by one, and marking the drill sites as invalid drill sites 4 when the drill sites are coplanar with the side wall of the roadway 1; when the drilling scene is not coplanar with the side wall of the roadway 1, marking the drilling scene as an effective drilling scene 3;
When judging that the hole opening position 6 is the intersection point of the drilling path and the effective drilling scene 3, reserving the hole opening position 6;
and deleting the hole position 6 when judging that the hole position 6 is the intersection point of the drilling path and the ineffective drilling scene 4.
Specifically, referring to fig. 3 and 4, in this embodiment, since one of the drill sites 2 is connected to the roadway 1, and the drill site has no actual wall, the drill site cannot be provided with the hole position 6, and therefore, before the hole position 6 is finally determined, the hole position 6 should be checked, which specifically includes: firstly judging whether each drilling site is coplanar with the side wall of a roadway 1, if a drilling site 2 is communicated with the roadway 1 through a certain drilling site, marking the drilling site as an invalid drilling site 4 at the moment, and marking the drilling site which is not coplanar with the side wall of the roadway 1 as an effective drilling site 3; if the open hole position 6 is judged to be the intersection point of the drilling path and the effective drilling scene 3, the open hole position 6 is reserved; if the hole position 6 is determined to be the intersection point of the drilling path and the ineffective drilling scene 4, the hole position 6 is deleted. By the verification method provided by the embodiment, partial unsuitable opening positions 6 can be deleted, so that the verification method can be more suitable for specific construction environments.
Example 2
On the basis of embodiment 1, when the hole location 6 is determined to be the intersection point of the drilling path and the effective drilling scene 3, after the hole location 6 is reserved, the method further includes the following steps:
any effective drilling scene 3 is taken, a corresponding set of opening positions 6 and all drilling paths intersecting with the effective drilling scene 3 are obtained, and the set of opening positions 6 comprises all opening positions 6 on the effective drilling scene 3;
deleting the open hole position 6 corresponding to the drilling path from the open hole position 6 set when judging that the included angle between the drilling path and the effective drilling scene 3 is smaller than a first preset angle;
and traversing all the set of the hole positions 6 corresponding to the effective drilling sites 3, and deleting the hole positions 6 corresponding to the drilling paths with the included angles smaller than the first preset angle of the corresponding effective drilling sites 3.
Specifically, referring to fig. 2 and 3, when drilling from the drilling site 2 to the construction surface 9, the drilling is inconvenient when the included angle between the drilling path and the drilling site surface is too small, so the method further comprises the following steps on the basis of embodiment 1: and randomly selecting one effective drilling scene 3, constructing a set of hole positions 6 by all the hole positions 6 on the effective drilling scene 3, calculating the included angle between a drilling path corresponding to each hole position 6 and the effective drilling scene 3, judging that the hole positions 6 are unsuitable for drilling when the included angle between the drilling path and the effective drilling scene 3 is smaller than a first preset angle, and deleting the hole positions 6 corresponding to the drilling path in the set of hole positions 6. Optionally, the first preset angle is 15 °. By the verification method provided by the embodiment, partial unsuitable opening positions 6 can be deleted, so that the verification method is more suitable for a specific construction environment.
Example 3
On the basis of embodiment 2, the method further comprises the following steps:
when judging that the included angle between the drilling path and the effective drilling scene 3 is larger than or equal to the first preset angle, dividing a plurality of hole positions 6 in the set of hole positions 6 into a plurality of groups, wherein all the hole positions 6 in each group are positioned on the same hole line 7, and the hole line 7 is parallel to the hole distribution line 13 on the corresponding construction surface 9;
optionally selecting one grouping, and calculating a first distance, wherein the first distance is the distance between two adjacent opening positions 6 in the grouping;
when the first distance is judged to be smaller than a first preset distance, the opening positions 6 in the group are adjusted along the extending direction of the opening lines 7, and the first preset distance is larger than the diameter of the drill bit of the drilling machine; repeatedly calculating the first distance and adjusting the opening positions 6 in the group until the first distance is greater than or equal to the first preset distance;
and deleting the open hole positions 6 which are not in the corresponding effective drilling sites 3 from the open hole position 6 set when judging that the open hole positions 6 which are not in the corresponding effective drilling sites 3 appear after adjustment in the group.
Specifically, referring to fig. 6, the distance between the hole positions 6 on the same effective drilling scene 3 cannot be smaller than the drill bit diameter of the drilling machine, otherwise, the drilling construction is affected, so the embodiment further provides a method for adjusting the hole positions 6, where the adjusting method specifically includes:
when judging that the included angle between the drilling path and the effective drilling scene 3 is greater than or equal to a first preset angle, dividing a plurality of opening positions 6 in the opening set into four groups of A, B, C, D, wherein each group comprises five opening positions 6, a1-a5 are five opening positions 6 corresponding to a group A, B1-B2 are five opening positions 6 corresponding to a group B, C1-C5 are five opening positions 6 corresponding to a group C, and D1-D5 are five opening positions 6 corresponding to a group D, as shown in fig. 6; because the hole positions 6 are arranged corresponding to the hole distribution positions 12, the distances between the adjacent hole positions 6 are equal; taking the group A as an example, calculating the distance between the two opening positions 6 of the a1 and the a 2; when the distance between the a1 and the a2 is judged to be smaller than a first preset distance, the fact that the distance between any two adjacent hole opening positions 6 is smaller than the drilling diameter of the drilling machine is proved, at the moment, the distance between the five hole opening positions 6 of the a1-a5 is adjusted along the direction of the hole opening line 7 of the group A, and the adjustment is to ensure that the distance between every two adjacent hole opening positions 6 is always equal; the calculation of the distance between a1 and a2 is repeated once after each adjustment until the distance between a1 and a2 is greater than or equal to the drill bit diameter of the drilling machine.
Further, according to the adjustment method of the group A, the opening positions 6 of the three groups B, C, D are sequentially adjusted until the distance between the adjacent opening positions 6 in the three groups B, C, D is also more than or equal to the diameter of the drill bit of the drilling machine; if the hole position 6 which is not in the current effective drilling scene 3 exists after adjustment, the hole position 6 which is not in the current effective drilling scene 3 is deleted.
The method provided by the embodiment can further adjust or delete the hole opening position 6, and improves the practicability of the hole opening position 6 when the hole is actually drilled.
In a preferred embodiment, after the determining that the first distance is smaller than the first preset distance, the method further includes the following steps:
adjusting the distance between the adjacent groups to be larger than or equal to the first preset distance, wherein the distance between the adjacent groups is the distance between the corresponding perforation lines 7 of the adjacent groups;
repeatedly calculating and adjusting the distance between the adjacent groups until the distance between the adjacent groups is greater than or equal to the first preset distance;
and deleting all the hole positions 6 on the hole lines 7 in the set of hole positions 6 when judging that the hole lines 7 which are not in the corresponding effective drilling scene 3 appear.
Specifically, when the first distance is determined to be smaller than a first preset distance, it is proved that the distance between adjacent groups is also smaller than the first preset distance, and the distance between the adjacent groups is required to be adjusted to meet specific construction requirements, and the specific adjustment method comprises the following steps:
adjusting the distance between adjacent groups along the direction perpendicular to the perforation lines 7, ensuring that the distance between any two adjacent perforation lines 7 is equal during adjustment, and calculating the distance between adjacent groups once after each adjustment; repeatedly adjusting and repeatedly calculating the distance between two adjacent groups until the distance between the adjacent groups is greater than or equal to the first preset distance; when the distance between adjacent groups is greater than or equal to the first preset distance, judging whether the perforated line 7 is still in the corresponding area of the effective drilling scene 3, and if the perforated line 7 is not in the area of the effective drilling scene 3, deleting all perforated positions 6 on the perforated line 7 which are not in the effective drilling scene 3 from the set of perforated positions 6.
The method provided by the embodiment can further adjust or delete the hole opening position 6, and improves the practicability of the hole opening position 6 when the hole is actually drilled.
In a preferred embodiment, the hole distribution positions 12 at the edges of the construction surface 9 are spaced from the corresponding edges of the construction surface 9 by a distance of。
Example 4
Referring to fig. 7, the present embodiment provides a design system for a coal mine gas extraction hole, including:
the model obtaining module 210 is configured to obtain a three-dimensional model of the upper surface 8 of the coal seam, and collect a plurality of construction surfaces 9 corresponding to the three-dimensional model of the upper surface 8 of the coal seam, where the construction surfaces 9 are planes on the periphery of the three-dimensional model of the upper surface 8 of the coal seam;
the hole arrangement module 220 is configured to select any one of the construction surfaces 9, divide a plurality of hole arrangement lines 13 parallel to the horizontal direction on the construction surface 9, and the distance between adjacent hole arrangement lines 13 isWherein->Is the extraction radius; on each perforation line 13 is spaced +.>A plurality of hole distribution positions 12 are uniformly arranged; traversing all the construction surfaces 9, and arranging a plurality of hole distribution positions 12 on each construction surface 9;
the hole setting module 230 is configured to obtain a drilling site set of the drilling site 2 and a central point position 5 of the drilling site 2, where the drilling site set includes a plurality of drilling sites forming the drilling site 2, and connects the central point position 5 and each hole distribution position 12, and a connection line between the central point position 5 and the hole distribution positions 12 is a drilling path; acquiring an intersection point between the drilling path and the drilling scene as an opening position 6;
A verification module 240, where the verification module 240 is configured to verify whether the hole location 6 is capable of making a hole, and if not, delete or adjust the hole location 6.
The design system for the coal mine gas extraction hole position provided in this embodiment is used for executing the design method for the coal mine gas extraction hole position described in any one of embodiments 1 to 3.
In a preferred embodiment, the verification module 240 includes:
the surface detection unit is configured to judge whether the drill sites are coplanar with the side wall of the roadway 1 one by one, and mark the drill sites as invalid drill sites 4 when the drill sites are coplanar with the side wall of the roadway 1; when the drilling scene is not coplanar with the side wall of the roadway 1, marking the drilling scene as an effective drilling scene 3;
the processing unit is configured to reserve the open hole position 6 when the open hole position 6 is judged to be the intersection point of the drilling path and the effective drilling scene 3; and deleting the hole position 6 when judging that the hole position 6 is the intersection point of the drilling path and the ineffective drilling scene 4.
Example 5
As shown in fig. 8, the present embodiment provides a terminal device, including a memory, a processor, and a computer program stored in the memory and capable of running on the processor, where the processor executes the computer program to implement the steps of the coal mine gas extraction hole position design method described in embodiment 1.
Specifically, the computer system 100 of the terminal device includes a CPU101 that can perform various appropriate actions and processes according to a program stored in a ROM102 or a program loaded from a storage section 108 into a RAM 103. In the RAM103, various programs and data required for system operation are also stored. The CPU101, ROM102, and RAM103 are connected to each other through a bus 104. An I/O (input/output) interface 105 is also connected to the bus 104. The following components are connected to the I/O interface 105: an input section 106 including a keyboard, a mouse, and the like; an output section 107 including a Cathode Ray Tube (CRT), a Liquid Crystal Display (LCD), and the like, and a speaker, and the like; a storage section 108 including a hard disk or the like; and a communication section 109 including a network interface card such as a LAN card, a modem, and the like. The communication section 109 performs communication processing via a network such as the internet. The drives are also connected to the I/O interface 105 as needed. A removable medium 111 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like is installed on the drive 110 as needed, so that a computer program read out therefrom is installed into the storage section 108 as needed.
In particular, the process described above with reference to flowchart 1 may be implemented as a computer software program according to an embodiment of the invention. For example, embodiment 5 of the present invention includes a computer program product comprising a computer program embodied on a computer readable medium, the computer program comprising program code for performing the method shown in the flowchart. In such embodiments, the computer program may be downloaded and installed from a network via a communication portion, and/or installed from a removable medium. When the computer program is executed by the CPU101, the above-described functions defined in the present computer system 100 are performed.
Example 6
The present embodiment provides a computer-readable storage medium having a computer program processed to implement the steps of the coal mine gas extraction hole position design method described in embodiment 1.
The computer readable medium shown in the present invention may be a computer readable signal medium or a computer readable storage medium, or any combination of the two. The computer readable storage medium can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples of the computer-readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In the present invention, however, the computer-readable signal medium may include a data signal propagated in baseband or as part of a carrier wave, with the computer-readable program code embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, wire, fiber optic cable, RF, etc., or any suitable combination of the foregoing.
The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams or flowchart illustration, and combinations of blocks in the block diagrams or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units involved in the embodiments of the present invention may be implemented by software, or may be implemented by hardware, and the described units may also be provided in a processor. Wherein the names of the units do not constitute a limitation of the units themselves in some cases. The described units or modules may also be provided in a processor, for example, as: a processor includes a model acquisition module 210, a hole placement module 220, an aperture placement module 230, and a verification module 240. The names of these units or modules do not in any way limit the units or modules themselves, and for example, the model acquisition module may also be described as "a three-dimensional model for acquiring the upper surface 8 of the coal seam" to acquire a plurality of construction surfaces 9 of the three-dimensional model of the upper surface 8 of the coal seam, where the construction surfaces 9 are planes on the circumferential side of the three-dimensional model of the upper surface 8 of the coal seam ".
As another aspect, the present invention also provides a computer-readable medium that may be contained in the electronic device described in the above embodiment; or may exist alone without being incorporated into the electronic device. The computer-readable medium carries one or more programs which, when executed by one of the electronic devices, cause the electronic device to implement the vehicle light adjustment method as described in the above embodiments.
For example, the electronic device may implement the method as shown in fig. 1: s1, acquiring a three-dimensional model of an upper surface 8 of a coal bed, and acquiring a plurality of construction surfaces 9 corresponding to the three-dimensional model of the upper surface 8 of the coal bed, wherein the construction surfaces 9 are planes on the periphery of the three-dimensional model of the upper surface 8 of the coal bed; s2, selecting any one construction surface 9, dividing a plurality of hole distribution lines 13 parallel to the horizontal direction on the construction surface 9, wherein the distance between every two adjacent hole distribution lines 13 is as followsWherein->Is the extraction radius; on each perforation line 13 is spaced +.>A plurality of hole distribution positions 12 are uniformly arranged; s3, traversing all the construction surfaces 9, and arranging a plurality of hole distribution positions 12 on each construction surface 9; s4, acquiring a drilling site face set of the drilling site 2 and a central point position 5 of the drilling site 2, wherein the drilling site face set comprises a plurality of drilling sites forming the drilling site 2, and the central point position 5 and each hole distribution position 12 are connected, and a connecting line between the central point position 5 and the hole distribution positions 12 is a drilling path; acquiring an intersection point between the drilling path and the drilling scene as an opening position 6; s5, checking whether the hole opening position 6 can be opened, and deleting or adjusting the hole opening position 6 if the hole opening position 6 cannot be opened.
It should be noted that although in the above detailed description several modules or units of a device for action execution are mentioned, such a division is not mandatory. Indeed, the features and functions of two or more modules or units described above may be embodied in one module or unit in accordance with the disclosed embodiments of the invention. Conversely, the features and functions of one module or unit described above may be further divided into a plurality of modules or units to be embodied.
Furthermore, although the steps of the methods of the present invention are depicted in the accompanying drawings in a particular order, this is not required to either imply that the steps must be performed in that particular order, or that all of the illustrated steps be performed, to achieve desirable results. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step to perform, and/or one step decomposed into multiple steps to perform, etc.
From the above description of embodiments, those skilled in the art will readily appreciate that the example embodiments described herein may be implemented in software, or may be implemented in software in combination with the necessary hardware.
The above description is only illustrative of the preferred embodiments of the present invention and of the principles of the technology employed. It will be appreciated by persons skilled in the art that the scope of the invention referred to in the present invention is not limited to the specific combinations of the technical features described above, but also covers other technical features formed by any combination of the technical features described above or their equivalents without departing from the inventive concept. Such as the above-mentioned features and the technical features disclosed in the present invention (but not limited to) having similar functions are replaced with each other.
Claims (10)
1. The design method for the coal mine gas extraction hole position is characterized by comprising the following steps of:
acquiring a three-dimensional model of the upper surface (8) of the coal bed, and acquiring a plurality of construction surfaces (9) corresponding to the three-dimensional model of the upper surface (8) of the coal bed, wherein the construction surfaces (9) are planes on the periphery of the three-dimensional model of the upper surface (8) of the coal bed;
selecting any one construction surface (9), dividing a plurality of hole distribution lines (13) parallel to the horizontal direction on the construction surface (9), wherein the distance between the adjacent hole distribution lines (13) is as followsWherein->Is the extraction radius; each hole distribution line (13) is provided with a spacing +. >A plurality of hole distribution positions (12) are uniformly arranged;
traversing all the construction surfaces (9), and arranging a plurality of hole distribution positions (12) on each construction surface (9);
acquiring a drilling site face set of a drilling site (2) and a central point position (5) of the drilling site (2), wherein the drilling site face set comprises a plurality of drilling sites forming the drilling site (2), and the central point position (5) and each hole distribution position (12) are connected, and a connecting line between the central point position (5) and the hole distribution positions (12) is a drilling path; acquiring an intersection point between the drilling path and the drilling scene as an opening position (6);
checking whether the hole opening position (6) can be opened, and deleting or adjusting the hole opening position (6) if the hole opening position (6) cannot be opened.
2. The method for designing a coal mine gas extraction hole position according to claim 1, wherein the checking whether the hole opening position (6) can be opened or not, and if not, deleting or adjusting the hole opening position (6), the method comprising the steps of:
judging whether the drill sites are coplanar with the side wall of the roadway (1) one by one, and marking the drill sites as invalid drill sites (4) when the drill sites are coplanar with the side wall of the roadway (1); when the drilling scene is not coplanar with the side wall of the roadway (1), marking the drilling scene as an effective drilling scene (3);
When judging that the hole opening position (6) is the intersection point of the drilling path and the effective drilling scene (3), reserving the hole opening position (6);
and deleting the hole position (6) when judging that the hole position (6) is the intersection point of the drilling path and the ineffective drilling scene (4).
3. The method for designing a coal mine gas extraction hole position according to claim 2, wherein when the hole position (6) is determined to be the intersection point of the drilling path and the effective drilling scene (3), the method further comprises the following steps after the hole position (6) is reserved:
any effective drilling scene (3) is taken, a corresponding set of opening positions (6) and all drilling paths intersecting the effective drilling scene (3) are obtained, and the set of opening positions (6) comprises all opening positions (6) on the effective drilling scene (3);
deleting the open hole position (6) corresponding to the drilling path from the open hole position (6) set when judging that the included angle between the drilling path and the effective drilling scene (3) is smaller than a first preset angle;
traversing all sets of open hole positions (6) corresponding to the effective drilling sites (3), and deleting the open hole positions (6) corresponding to the drilling paths with the included angles smaller than the first preset angle with the corresponding effective drilling sites (3).
4. A method of designing a coal mine gas extraction site as claimed in claim 3, further comprising the steps of:
when judging that the included angle between the drilling path and the effective drilling scene (3) is larger than or equal to the first preset angle, dividing a plurality of drilling positions (6) in the drilling position (6) set into a plurality of groups, wherein all the drilling positions (6) in each group are positioned on the same drilling line (7), and the drilling line (7) is parallel to the hole distribution line (13) on the corresponding construction surface (9);
optionally one of the groupings, calculating a first distance, the first distance being the distance between two adjacent aperture locations (6) in the grouping;
when the first distance is judged to be smaller than a first preset distance, the opening positions (6) in the group are adjusted along the extending direction of the opening lines (7), and the first preset distance is larger than the diameter of a drill bit of the drilling machine; repeating calculating the first distance and adjusting the hole positions (6) in the group until the first distance is greater than or equal to the first preset distance;
and deleting the open hole positions (6) which are not in the corresponding effective drilling sites (3) in the set of open hole positions (6) when the open hole positions (6) which are not in the corresponding effective drilling sites (3) appear after adjustment in the group.
5. The method for designing a coal mine gas extraction hole position according to claim 4, wherein after the first distance is determined to be smaller than a first preset distance, further comprising the steps of:
adjusting the distance between adjacent groups to be larger than or equal to the first preset distance, wherein the distance between the adjacent groups is the distance between the perforation lines (7) corresponding to the adjacent groups;
repeatedly calculating and adjusting the distance between the adjacent groups until the distance between the adjacent groups is greater than or equal to the first preset distance;
and deleting all the hole positions (6) on the hole lines (7) in the hole position (6) set when judging that the hole lines (7) which are not in the corresponding effective drilling scene (3) appear.
6. The method according to claim 5, wherein the hole arrangement positions (12) at the position edges of the construction surface (9) are spaced from the corresponding edges of the construction surface (9) by a distance of。
7. A design system for a coal mine gas extraction hole site, comprising:
the model acquisition module (210) is configured to acquire a three-dimensional model of the upper surface (8) of the coal seam, acquire a plurality of construction surfaces (9) corresponding to the three-dimensional model of the upper surface (8) of the coal seam, wherein the construction surfaces (9) are planes on the periphery of the three-dimensional model of the upper surface (8) of the coal seam;
The hole distribution setting module (220) is configured to select any one of the construction surfaces (9), a plurality of hole distribution lines (13) parallel to the horizontal direction are divided on the construction surface (9), and the distance between the adjacent hole distribution lines (13) is as followsWherein->Is the extraction radius; each hole distribution line (13) is provided with a spacing +.>A plurality of hole distribution positions (12) are uniformly arranged; traversing all the construction surfaces (9), and arranging a plurality of hole distribution positions (12) on each construction surface (9);
the drilling device comprises an opening setting module (230), wherein the opening setting module (230) is configured to acquire a drilling site face set of a drilling site (2) and a central point position (5) of the drilling site (2), the drilling site face set comprises a plurality of drilling sites forming the drilling site (2), the central point position (5) is connected with each hole distribution position (12), and a connecting line between the central point position (5) and the hole distribution positions (12) is a drilling path; acquiring an intersection point between the drilling path and the drilling scene as an opening position (6);
and the verification module (240) is configured to verify whether the hole opening position (6) can be opened, and delete or adjust the hole opening position (6) if the hole opening position (6) cannot be opened.
8. The system for designing a coal mine gas extraction site according to claim 7, wherein the verification module (240) includes:
the face detection unit is configured to judge whether the drilling face is coplanar with the side wall of the roadway (1) one by one, and mark the drilling face as an invalid drilling face (4) when the drilling face is coplanar with the side wall of the roadway (1); when the drilling scene is not coplanar with the side wall of the roadway (1), marking the drilling scene as an effective drilling scene (3);
the processing unit is configured to reserve the hole opening position (6) when judging that the hole opening position (6) is the intersection point of a drilling path and the effective drilling scene (3); and deleting the hole position (6) when judging that the hole position (6) is the intersection point of the drilling path and the ineffective drilling scene (4).
9. A terminal device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, wherein execution of the computer program by the processor implements the method steps of designing a coal mine gas extraction aperture as claimed in any one of claims 1 to 6.
10. A computer readable storage medium having a computer program, wherein the computer program is processed to implement the method steps of the coal mine gas extraction hole site design of any one of claims 1-6.
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Address after: Room 107, Building 5, Wanwu Workshop, No. 20 Shidai Road, Haichang Street, Haining City, Jiaxing City, Zhejiang Province, 314400 Patentee after: Mining Intelligence Technology (Haining) Co.,Ltd. Country or region after: China Address before: Room 20-25, Room 601, Block G, Haitai Green Industrial Base, No. 6, Haitai Development Road 6, Huayuan Industrial Zone, Binhai, Tianjin, 300000 Patentee before: Tianjin Kuangzhi Technology Co.,Ltd. Country or region before: China |