Lithology Identification System and Method in Blast Holes

Abstract

This invention discloses a lithology identification system and method for boreholes. The identification method comprises the following steps: S1: Establishing a database of the main properties of the rock; S2: Controlling the drilling assembly to drill; S3: When the drilling assembly reaches the test point, the information acquisition component on the drilling assembly collects the rock information at the test point and feeds it back to the information processing module; S4: The information processing module analyzes the collected rock information to determine the performance parameters of the collected rock sample; S5: Controlling the drilling assembly to continue drilling, and repeating S2-S3 until all test point samples in the borehole have been collected and analyzed. The drilling assembly includes a shell, through which a connecting rod rotatably connects to the shell is installed. A drill bit is fixedly installed at the lower end of the connecting rod, and the drill bit is located below the shell and rotatably connected to it. Several information acquisition components are evenly distributed on the side of the shell. This invention facilitates the identification of rock properties in boreholes and improves the accuracy of lithology identification in boreholes.

Description

Technical Field

[0001] This invention relates to the field of mining technology, and in particular to a lithology identification system and method for boreholes. Background Technology

[0002] During the mining process, it is often necessary to analyze the lithology of the mine rocks. However, current lithology analysis is only applicable to tests conducted before or after drilling. These tests differ from the actual rock performance parameters, so there is an urgent need to develop a system that can identify the lithology in boreholes in real time. Summary of the Invention

[0003] Based on the technical problems existing in the background art, the present invention proposes a lithology identification system and method in blast holes, which facilitates the identification of rock properties in blast holes and improves the accuracy of lithology identification in blast holes.

[0004] The lithology identification method for boreholes proposed in this invention comprises the following steps:

[0005] S1: Establish a database of the main properties of rocks;

[0006] S2: Controls the drilling assembly to perform drilling;

[0007] S3: When the drilling assembly reaches the point to be measured, the information acquisition component on the drilling assembly collects the rock information of the point to be measured and feeds it back to the information processing module.

[0008] S4: The information processing module analyzes the collected rock information and determines the performance parameters of the collected rock samples;

[0009] S5: Control the drilling assembly to continue drilling, and repeat S2-S3 until all samples with measuring points in the borehole are collected and analyzed.

[0010] Preferably, the rock information analysis method in S4 includes the following steps:

[0011] S41: The rock photos collected by the information acquisition component are evenly divided into m×n rectangles by the photo division module, and the side length of each rectangle is A×B.

[0012] S42: The photo analysis module collects information from the segmented rock photos and compares them with data in the rock information database to determine the properties of the collected rocks.

[0013] Preferably, in S42, the photo analysis module is divided into m′×n′ rectangles, each rectangle having a side length of A×B, where m′<m and n′<n.

[0014] Preferably, each rectangle in the photo analysis module is analyzed individually, and the photo analysis module is moved along the diagonal of the rock photo to sample the rock photo multiple times, and when sampling adjacent areas, the information in at least one rectangle is analyzed repeatedly.

[0015] The lithology identification system proposed in this invention for implementing the above-mentioned lithology identification method in boreholes includes:

[0016] Drilling assembly, used to acquire rock information during the drilling process;

[0017] The information processing module is used to analyze the collected rock information and determine the performance parameters of the collected rock samples.

[0018] Preferably, the information processing module includes a photo segmentation module and a photo analysis module. The photo segmentation module is used to uniformly divide the photo containing rock information into m×n rectangles, each rectangle having a side length of A×B. The photo analysis module is divided into m′×n′ rectangles, each rectangle having a side length of A×B, where m′<m and n′<n.

[0019] Preferably, the drilling assembly includes:

[0020] A housing, wherein a connecting rod is rotatably connected to the housing, and a drill bit is fixedly mounted at the lower end of the connecting rod. The drill bit is located below the housing and rotatably connected to it for drilling holes.

[0021] Several information acquisition components are evenly distributed on the side of the shell to collect information about the rocks.

[0022] Preferably, the information acquisition component includes an image acquisition device fixedly disposed in an installation cavity opened in the side wall of the housing. The image acquisition device is electrically connected to the information processing module. A transparent plate is fixedly disposed on the outside of the installation cavity. A protective plate for protecting the transparent plate is also fixedly disposed on the outside of the transparent plate. The protective plate is slidably connected to the housing and its displacement along the vertical direction is controlled by a drive component to expose or cover the transparent plate.

[0023] Preferably, a cleaning plate is provided on the side of the protective plate near the transparent plate, which is used to clean the transparent plate when it is displaced, so as to improve the clarity of the photos acquired by the image acquisition device. The protective plate is also provided with an observation window that matches the transparent plate. The displacement of the protective plate can completely expose or completely cover all the transparent plates on the shell.

[0024] Preferably, the drive assembly includes a telescopic rod disposed in an adjustment cavity opened on the housing. One end of the telescopic rod is fixedly connected to the housing, and the other end of the telescopic rod is fixedly connected to the protective plate. The telescopic rod is used to control the vertical displacement of the protective plate, and a spring for shock absorption is also sleeved on the telescopic rod.

[0025] Compared with the prior art, the beneficial technical effects of the present invention are as follows:

[0026] This application divides the acquired photos into several rectangles using a photo segmentation module, and then analyzes the rock information within each rectangle using a photo analysis module. This analysis is compared with rock properties in a database to determine the specific properties of the acquired rock. The photo analysis module moves along the diagonal of the rock photo to sample it multiple times, ensuring that information within at least one rectangle is analyzed repeatedly when sampling adjacent areas. This testing method saves time while ensuring the accuracy of the test results. The information acquisition component of this application includes a protective plate, which protects the transparent plate during drilling. When the test point is reached, the extension rod is controlled to move the plate upwards, exposing the transparent window for rock information acquisition. A cleaning plate located on the side of the protective plate near the transparent plate cleans the transparent plate, ensuring the clarity of the captured photos and improving the accuracy of the test results. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the drilling assembly proposed in this invention;

[0028] Figure 2 This is an AA cross-sectional view of the drilling assembly proposed in this invention;

[0029] Figure 3 This is a side cross-sectional view of the drilling assembly proposed in this invention;

[0030] Figure 4 This is a schematic diagram of the drilling assembly sampling structure proposed in this invention;

[0031] Figure 5 This is a flowchart of the rock information analysis proposed in this invention.

[0032] In the diagram: 1-Shell, 2-Drill bit, 3-Protective plate, 4-Adjustment cavity, 5-Telescopic rod, 6-Spring, 7-Observation window, 8-Connecting rod, 9-Cleaning plate, 10-Transparent plate, 11-Mounting cavity, 12-Image acquisition device, 13-Photo analysis module, 14-Photo segmentation module. Detailed Implementation

[0033] Example 1

[0034] The lithology identification method for boreholes proposed in this invention comprises the following steps:

[0035] S1: Establish a database of the main properties of rocks;

[0036] S2: Controls the drilling assembly to perform drilling;

[0037] S3: When the drilling assembly reaches the point to be measured, the information acquisition component on the drilling assembly collects the rock information of the point to be measured and feeds it back to the information processing module.

[0038] S4: The information processing module analyzes the collected rock information and determines the performance parameters of the collected rock samples;

[0039] S5: Control the drilling assembly to continue drilling, and repeat S2-S3 until all samples with measuring points in the borehole are collected and analyzed.

[0040] Preferably, the rock information analysis method in S4 includes the following steps:

[0041] S41: The rock photos collected by the information acquisition component are evenly divided into m×n rectangles by the photo division module, and the side length of each rectangle is A×B.

[0042] S42: The photo analysis module collects information from the segmented rock photos and compares them with data in the rock information database to determine the properties of the collected rocks.

[0043] In S42, the photo analysis module is divided into m′×n′ rectangles, each with a side length of A×B, where m′<m and n′<n.

[0044] In the photo analysis module, each rectangle corresponds to a rock photo that is analyzed individually. The photo analysis module moves along the diagonal of the rock photo to sample the rock photo multiple times, and when sampling adjacent areas, the information in at least one rectangle is analyzed repeatedly.

[0045] Example 2

[0046] The lithology identification system proposed in this invention for implementing lithology identification in boreholes includes:

[0047] Drilling assembly, used to acquire rock information during the drilling process;

[0048] The information processing module is used to analyze the collected rock information and determine the performance parameters of the collected rock samples.

[0049] The information processing module includes a photo segmentation module 14 and a photo analysis module 13. The photo segmentation module is used to uniformly divide the photo containing rock information into m×n rectangles, each rectangle having a side length of A×B. The photo analysis module is divided into m′×n′ rectangles, each rectangle having a side length of A×B, where m′<m and n′<n.

[0050] Specifically, refer to Figure 1-5 The drilling assembly includes:

[0051] A housing 1, wherein a connecting rod 8 is rotatably connected to the housing 1, and a drill bit 2 is fixedly installed at the lower end of the connecting rod 8. The drill bit 2 is located below the housing 1 and rotatably connected to it, and is used for drilling holes.

[0052] Several information acquisition components are evenly distributed on the side of the shell to collect information about the rocks.

[0053] Specifically, the information acquisition component includes an image acquisition device 12 fixedly disposed in an installation cavity 11 opened in the side wall of the housing 1. The image acquisition device 12 is electrically connected to the information processing module. A transparent plate 10 is fixedly disposed on the outside of the installation cavity 11. A protective plate 3 for protecting the transparent plate 10 is also fixedly disposed on the outside of the transparent plate 10. The protective plate 3 is slidably connected to the housing 1. Its displacement along the vertical direction is controlled by a drive component to expose or cover the transparent plate 10.

[0054] To improve the clarity of the photographs, a cleaning plate 9 is provided on the side of the protective plate 3 near the transparent plate 10. This cleaning plate is used to clean the transparent plate 10 when the plate is moved, thereby improving the clarity of the photographs acquired by the image acquisition device 12. The protective plate 3 also has an observation window 7 that matches the transparent plate 10. The movement of the protective plate 3 can completely expose or completely cover all the transparent plates 10 on the housing.

[0055] Specifically, the drive assembly includes a telescopic rod 5 disposed in an adjustment cavity 4 opened on the housing 1. One end of the telescopic rod 5 is fixedly connected to the housing 1, and the other end of the telescopic rod 5 is fixedly connected to the protective plate 3. The telescopic rod 5 is used to control the vertical displacement of the protective plate 3. A spring 6 for shock absorption is also sleeved on the telescopic rod 5.

[0056] This application divides the acquired photos into several rectangles using a photo segmentation module, and then analyzes the rock information within each rectangle using a photo analysis module. This analysis is compared with rock properties in a database to determine the specific properties of the acquired rock. The photo analysis module moves along the diagonal of the rock photo to sample it multiple times, ensuring that information within at least one rectangle is analyzed repeatedly when sampling adjacent areas. This testing method saves time while ensuring the accuracy of the test results. The information acquisition component of this application includes a protective plate, which protects the transparent plate during drilling. When the test point is reached, the extension rod is controlled to move the plate upwards, exposing the transparent window for rock information acquisition. A cleaning plate located on the side of the protective plate near the transparent plate cleans the transparent plate, ensuring the clarity of the captured photos and improving the accuracy of the test results.

[0057] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A method for identifying lithology in boreholes, characterized in that, The steps are as follows: S1: Establish a database of the main properties of rocks; S2: Controls the drilling assembly to perform drilling; S3: When the drilling assembly reaches the point to be measured, the information acquisition component on the drilling assembly collects the rock information of the point to be measured and feeds it back to the information processing module. S4: The information processing module analyzes the collected rock information and determines the performance parameters of the collected rock samples; S5: Control the drilling assembly to continue drilling, and repeat S2-S3 until all samples with measuring points in the borehole are collected and analyzed; The drilling assembly includes: A housing, wherein a connecting rod is rotatably connected to the housing, and a drill bit is fixedly mounted at the lower end of the connecting rod. The drill bit is located below the housing and rotatably connected to it for drilling holes. Several information acquisition components are evenly distributed on the side of the shell to collect information about the rock. The information acquisition component includes an image acquisition device fixedly installed in an installation cavity opened in the side wall of the housing. The image acquisition device is electrically connected to the information processing module. A transparent plate is fixedly installed on the outside of the installation cavity. A protective plate for protecting the transparent plate is also fixedly installed on the outside of the transparent plate. The protective plate is slidably connected to the housing. Its displacement in the vertical direction is controlled by a drive component to expose or cover the transparent plate.

2. The lithology identification system and method in boreholes according to claim 1, characterized in that, The steps of rock information analysis in S4 are as follows: S41: The rock photos collected by the information acquisition component are evenly divided into m×n rectangles by the photo division module, and the side length of each rectangle is A×B. S42: The photo analysis module collects information from the segmented rock photos and compares them with data in the rock information database to determine the properties of the collected rocks.

3. The method for identifying lithology in boreholes according to claim 2, characterized in that, In S42, the photo analysis module is divided into m′×n′ rectangles, each rectangle having a side length of A×B, where m′<m and n′<n.

4. The method for identifying lithology in boreholes according to claim 3, characterized in that, In the photo analysis module, each rectangle corresponds to a rock photo that is analyzed individually. The photo analysis module moves along the diagonal of the rock photo to sample the rock photo multiple times, and when sampling adjacent areas, the information in at least one rectangle is analyzed repeatedly.

5. A lithology identification system for implementing the lithology identification method in boreholes as described in any one of claims 1-4, characterized in that, include: Drilling assembly, used to acquire rock information during the drilling process; The information processing module is used to analyze the collected rock information and determine the performance parameters of the collected rock samples. The drilling assembly includes: A housing, wherein a connecting rod is rotatably connected to the housing, and a drill bit is fixedly mounted at the lower end of the connecting rod. The drill bit is located below the housing and rotatably connected to it for drilling holes. Several information acquisition components are evenly distributed on the side of the shell to collect information about the rock. The information acquisition component includes an image acquisition device fixedly installed in an installation cavity opened in the side wall of the housing. The image acquisition device is electrically connected to the information processing module. A transparent plate is fixedly installed on the outside of the installation cavity. A protective plate for protecting the transparent plate is also fixedly installed on the outside of the transparent plate. The protective plate is slidably connected to the housing. Its displacement in the vertical direction is controlled by a drive component to expose or cover the transparent plate.

6. The lithology identification system according to claim 5, characterized in that, The information processing module includes a photo segmentation module and a photo analysis module. The photo segmentation module is used to uniformly divide the photo containing rock information into m×n rectangles, each rectangle having a side length of A×B. The photo analysis module is divided into m′×n′ rectangles, each rectangle having a side length of A×B, where m′<m and n′<n.

7. The lithology identification system according to claim 5, characterized in that, A cleaning plate is also provided on the side of the protective plate near the transparent plate, which is used to clean the transparent plate when it is displaced, so as to improve the clarity of the photos acquired by the image acquisition device. The protective plate also has an observation window that matches the transparent plate. The displacement of the protective plate can completely expose or completely cover all the transparent plates on the shell.

8. The lithology identification system according to claim 5, characterized in that, The drive assembly includes a telescopic rod disposed in an adjustment cavity opened on the housing. One end of the telescopic rod is fixedly connected to the housing, and the other end of the telescopic rod is fixedly connected to the protective plate. The telescopic rod is used to control the vertical displacement of the protective plate, and a spring for shock absorption is also sleeved on the telescopic rod.

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