Mine anchor rod evaluation system based on monitoring data

Abstract

The invention discloses a mine anchor rod evaluation system based on monitoring data, relates to the field of resource development, solves the problem of poor evaluation effect of the mine anchor rod evaluation system, and comprises a data acquisition module used for monitoring the working environment of each mine anchor rod to obtain mine anchor rod monitoring data, the monitoring frequency module is used for acquiring the monitoring frequency of each mine anchor rod in an anchor rod monitoring period by analyzing the mine anchor rod preliminary acquisition data to obtain anchor rod period monitoring frequency data; the periodic monitoring module is used for conducting position monitoring and deformation monitoring on the mine anchor rod to obtain periodic monitoring data of the anchor rod, and the comprehensive evaluation module is used for comprehensively evaluating the safety of the mine anchor rod according to the periodic monitoring data of the anchor rod.

Description

Technical Field

[0001] The invention belongs to the field of resource development, relates to data analysis technology, and specifically is a mine anchor evaluation system based on monitoring data. Background Art

[0002] The existing mine bolt assessment system has the following specific defects when assessing mine bolts: 1. When evaluating mine bolts, the existing mine bolt assessment system usually conducts a unified safety assessment on the mine bolts in a region, and cannot determine the targeted monitoring frequency based on the local differences of each mine bolt, which leads to a lack of targetedness in the assessment process; 2. When evaluating mine anchors, the existing mine anchor assessment system often conducts safety assessment based on the degree of deformation of the mine anchors. This has the problem of single assessment data, which can easily lead to inaccurate assessment results.

[0003] To this end, we propose a mine bolt evaluation system based on monitoring data. Summary of the invention

[0004] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a mine anchor evaluation system based on monitoring data. The present invention is based on obtaining mine anchor selection data by selecting multiple mine anchors in a target mine, and performing working environment monitoring on each mine anchor to obtain mine anchor monitoring data, obtaining preliminary mine anchor collection data, marking an anchor monitoring cycle, and obtaining the monitoring frequency of each mine anchor in the anchor monitoring cycle by analyzing the preliminary mine anchor collection data to obtain anchor cycle monitoring frequency data, performing periodic position monitoring on each mine anchor according to the anchor cycle monitoring data to obtain an anchor position evaluation coefficient, performing periodic deformation monitoring on each mine anchor to obtain an anchor deformation evaluation coefficient, and obtaining anchor cycle monitoring data, obtaining an anchor safety assessment coefficient of each mine anchor according to the anchor cycle monitoring data, and obtaining an anchor safety assessment coefficient threshold value and an anchor safety assessment coefficient for numerical comparison, and performing a comprehensive safety assessment based on the numerical comparison result.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solution: a mine bolt evaluation system based on monitoring data, and the specific working process of each module is as follows: Data acquisition module: used to obtain the mine bolt selection data by selecting multiple mine bolts in the target mine, and to obtain the mine bolt monitoring data by monitoring the working environment of each mine bolt, so as to obtain the preliminary collection data of the mine bolt; Monitoring frequency module: used to mark an anchor monitoring cycle, obtain the monitoring frequency of each mine anchor in the anchor monitoring cycle by analyzing the preliminary collected data of the mine anchor, and obtain the anchor cycle monitoring frequency data; Periodic monitoring module: used to perform periodic position monitoring on each mine anchor according to the anchor periodic monitoring data to obtain the anchor position evaluation coefficient, perform periodic deformation monitoring on each mine anchor to obtain the anchor deformation evaluation coefficient, and obtain the anchor periodic monitoring data; Comprehensive evaluation module: It is used to obtain the anchor safety assessment coefficient of each mine anchor according to the anchor period monitoring data, and obtain the anchor safety assessment coefficient threshold value and compare it with the anchor safety assessment coefficient, and conduct a comprehensive safety assessment based on the numerical comparison results.

[0006] Furthermore, the data acquisition module acquires preliminary data of the mine bolt, as follows: The mine anchors installed in the target mine are acquired to obtain a plurality of mine anchors, and one of the acquired plurality of mine anchors is randomly selected as a sample mine anchor to obtain mine anchor selection data; Obtain the time value of installing the sample mine anchor in the target mine to obtain the first characteristic time value, obtain the time value corresponding to the current moment to obtain the second characteristic time value, calculate the time difference between the first characteristic time value and the second characteristic time value, and obtain the cumulative working time of the anchor; In the target mine, the area where the bolt contacts the rock mass is marked to obtain the bolt-rock mass contact area; In the anchor-rock contact area, the partial area where the anchor penetrates into the rock mass is marked as the first anchor-rock contact area, and the surface area where the anchor does not penetrate into the rock mass is marked as the second anchor-rock contact area; Conduct stability monitoring on the first anchor-rock contact area to obtain the first rock mass stability coefficient; In the second anchor rock contact area, a number of rock mass characteristic points are randomly selected, and the Mohs hardness value of each rock mass characteristic point is obtained respectively to obtain a plurality of characteristic point hardness values, and the average of the obtained plurality of characteristic point hardness values ​​is calculated to obtain the second rock mass stability coefficient; The cumulative working time of the anchor bolts, the first rock mass stability coefficient and the second rock mass stability coefficient corresponding to the sample mine anchor bolts are defined as the mine anchor bolt monitoring data; The mine bolt monitoring data corresponding to each mine bolt is acquired respectively to obtain a plurality of mine bolt monitoring data; A plurality of mine bolt monitoring data and mine bolt selection data are defined as the mine bolt preliminary acquisition data.

[0007] Furthermore, the data acquisition module acquires the first rock mass stability coefficient as follows: Acquiring a surface image of the first anchor-rock contact area to obtain a surface image of the first contact area; Acquire historical image data of the sample mine bolt, acquire a surface image of a first anchor-rock contact area of ​​the sample mine bolt at the time of installation through the historical image data, and obtain a surface image of a second contact area; In the first contact area surface image, the area where the mine bolt is located is marked as the first image bolt area, and the area where the supporting rock mass is located is marked as the first image rock mass area; In the surface image of the first contact area, a plurality of square filling blocks with the same unit area are set, and the square filling blocks are used to fill the anchor area of ​​the first image until the square filling blocks cover the anchor area of ​​the first image, and the number of square filling blocks in the anchor area of ​​the first image is counted to obtain the first anchor filling quantity value, and the square filling blocks are used to fill the rock area of ​​the first image until the square filling blocks cover the rock area of ​​the first image, and the number of square filling blocks in the rock area of ​​the first image is counted to obtain the first rock filling quantity value; In the second contact area surface image, the area where the mine bolt is located is marked as the second image bolt area, and the area where the supporting rock mass is located is marked as the second image rock mass area; In the surface image of the second contact area, a plurality of square filling blocks with the same unit area are set, the anchor area of ​​the second image is covered with the square filling blocks, and the number of square filling blocks required to cover the anchor area of ​​the second image is counted to obtain a second anchor filling quantity value, the rock area of ​​the second image is covered with the square filling blocks, and the number of square filling blocks required to cover the rock area of ​​the second image is counted to obtain a second rock filling quantity value; The second rock mass stability coefficient is obtained by calculating the first anchor filling quantity value, the second anchor filling quantity value, the first rock mass filling quantity value and the second rock mass filling quantity value; The stability coefficient of the second rock mass is calculated, and the specific formula is as follows: ; Among them, Ywx2 is the stability coefficient of the second rock mass, Mts1 is the first anchor filling quantity value, Mts2 is the second anchor filling quantity value, Yts1 is the first rock mass filling quantity value, and Yts2 is the second rock mass filling quantity value.

[0008] Furthermore, the monitoring frequency module acquires the anchor bolt period monitoring frequency data as follows: Obtain preliminary data of mine bolt collection, and obtain multiple mine bolt monitoring data and mine bolt selection data; The sample mine anchors are obtained according to the mine anchor selection data, and the cumulative working time of the anchors, the first rock mass stability coefficient and the second rock mass stability coefficient are respectively obtained according to the mine anchor monitoring data corresponding to the sample mine anchors; In the process of monitoring the mine bolt, the time value corresponding to the current moment is marked as the first cycle monitoring time value, and in the period after the first cycle monitoring time value, a second cycle monitoring time value is marked, and the period between the first cycle monitoring time value and the second cycle monitoring time value is named as the bolt monitoring period; Conduct periodic monitoring frequency analysis on sample mine bolts to obtain bolt monitoring time point data; Repeat the process of acquiring the anchor monitoring time point data corresponding to the sample mine anchor, respectively acquire the anchor monitoring time point data corresponding to each mine anchor, and obtain multiple anchor monitoring time point data; The multiple anchor monitoring time point data and anchor monitoring cycles are defined as anchor cycle monitoring frequency data.

[0009] Furthermore, the monitoring frequency module acquires anchor monitoring time point data as follows: Obtain the basic monitoring frequency of the anchor bolt cycle, and calculate the basic monitoring frequency of the anchor bolt cycle, the cumulative working time of the anchor bolt, the first rock mass stability coefficient, and the second rock mass stability coefficient to obtain the actual monitoring frequency of the anchor bolt cycle; The actual monitoring frequency of the anchor bolt cycle is calculated using the following formula: ; Among them, Pcs is the actual monitoring frequency of the anchor period, Pcj is the basic monitoring frequency of the anchor period, Ywx1 is the stability coefficient of the first rock mass, Ywx2 is the stability coefficient of the second rock mass, and Lsc is the cumulative working time of the anchor; During the anchor monitoring cycle, several anchor cycle monitoring points with equal time intervals are marked, and the corresponding values ​​of the anchor cycle monitoring points and the actual monitoring frequency of the anchor cycle are equal; The several anchor rod period monitoring points marked in the anchor rod monitoring period are named as the first anchor rod monitoring time point to the mth anchor rod monitoring time point in chronological order to obtain the anchor rod monitoring time point data.

[0010] Furthermore, the periodic monitoring module acquires the anchor periodic monitoring data as follows: Obtain anchor bolt periodic monitoring frequency data, and obtain anchor bolt monitoring time point data and anchor bolt monitoring period corresponding to each mine anchor bolt according to the anchor bolt periodic monitoring frequency data; According to the anchor monitoring time point data corresponding to the anchors in the sample mine, the first anchor monitoring time point to the mth anchor monitoring time point in the anchor monitoring cycle are obtained; Monitor the position of the sample mine bolts and obtain the periodic monitoring data corresponding to the sample mine bolts; The details are as follows: Obtain a mine profile of an area where the anchor bolt of the sample mine is located, and obtain a sample mine profile; In the sample mine profile, the left intersection point of the mine arc surface and the mine ground is marked as the first position feature point, the right intersection point of the mine arc surface and the mine ground is marked as the second position feature point, the first position feature point and the second position feature point are continuously marked as the first position feature line, and the midpoint of the first position feature line is marked as the third position feature point; In the sample mine profile, the first position characteristic line is marked as the coordinate x-axis, the third position characteristic point is marked as the coordinate origin, the coordinate origin is made, a straight line perpendicular to the coordinate x-axis is made, the coordinate y-axis is obtained, and the plane rectangular coordinate system composed of the coordinate x-axis, the coordinate y-axis and the coordinate origin is marked as the mine profile rectangular coordinate system; Mark a feature point at the top of the sample mine anchor as the first anchor feature point, draw a line parallel to the sample mine anchor body through the first anchor feature point, mark the intersection of the parallel line and the tail of the sample mine anchor as the second anchor feature point, draw a line connecting the first anchor feature point and the second anchor feature point to obtain the anchor marking line; Performing position monitoring of the sample mine anchor at the first anchor monitoring time point in the mine profile rectangular coordinate system to obtain the first anchor position monitoring value; Repeat the process of obtaining the first anchor position monitoring value, perform position monitoring on the sample mine anchors at the second anchor monitoring time point to the mth anchor monitoring time point, and obtain the second anchor position monitoring value to the mth anchor position monitoring value; The anchor position evaluation coefficient is obtained by calculating the first anchor position monitoring value to the mth anchor position monitoring value; The details are as follows: ; Wherein, Wpg is the anchor position evaluation coefficient, Wzi is the monitoring value of the i-th anchor position, and Wz(i-1) is the monitoring value of the i-1-th anchor position; Performing deformation monitoring on the sample mine anchor at the first anchor monitoring time point in the mine profile rectangular coordinate system to obtain the first anchor deformation monitoring value; Repeat the process of obtaining the first anchor bolt deformation monitoring value, perform deformation monitoring on the sample mine anchor bolts at the second anchor bolt monitoring time point to the mth anchor bolt monitoring time point, and obtain the second anchor bolt deformation monitoring value to the mth anchor bolt deformation monitoring value; The anchor deformation assessment coefficient is obtained by calculating the first anchor deformation monitoring value to the mth anchor deformation monitoring value; The details are as follows: ; Among them, Xpg is the anchor deformation assessment coefficient, Xzi is the i-th anchor deformation monitoring value, and Xz(i-1) is the i-1-th anchor deformation monitoring value; The anchor position assessment coefficient and anchor deformation assessment coefficient are defined as the periodic monitoring data corresponding to the anchors in the sample mine; The process of acquiring the periodic monitoring data corresponding to the sample mine anchor is repeated, and the periodic monitoring data corresponding to each mine anchor is acquired respectively to obtain the anchor periodic monitoring data.

[0011] Furthermore, the periodic monitoring module obtains the first anchor position monitoring value as follows: The polar length value of the anchor mark line in the rectangular coordinate system of the mine section is obtained to obtain the polar diameter value of the anchor; The polar angle of the anchor mark line in the rectangular coordinate system of the mine section is obtained to obtain the anchor polar angle value; Obtaining anchor rod polar diameter reference values ​​and anchor rod polar angle reference values ​​respectively, and calculating the anchor rod polar diameter value, anchor rod polar angle value, anchor rod polar diameter reference value, and anchor rod polar angle reference value to obtain a first anchor rod position monitoring value; The monitoring value of the first anchor position is calculated, and the specific formula is as follows: ; Among them, Wz1 is the first anchor position monitoring value, Jjz is the anchor polar diameter value, Jzl is the anchor polar diameter reference value, Ljs is the anchor polar angle value, and Ljj is the anchor polar angle reference value.

[0012] Furthermore, the periodic monitoring module obtains the first anchor deformation monitoring value as follows: Mark the sample mine anchors at the first anchor monitoring time point in the mine profile rectangular coordinate system, and obtain the anchor marking lines; Randomly mark a number of deformation feature points in the sample mine bolt, and randomly select a deformation feature point from the marked multiple deformation feature points as a sample deformation feature point; Draw a perpendicular line between the sample feature point and the anchor mark line, mark the intersection of the perpendicular line and the anchor mark line as the deformation vertical intersection point, obtain the distance value between the sample deformation feature point and the deformation vertical intersection point, obtain the deformation feature distance corresponding to the sample deformation feature point, obtain the radius of the sample mine anchor, obtain the deformation reference distance, calculate the difference between the deformation feature distance and the deformation reference distance, and take the absolute value of the obtained difference to obtain the anchor deformation distance corresponding to the sample deformation feature point; The process of obtaining the anchor deformation distance corresponding to the sample deformation feature point is repeated, and the anchor deformation distance corresponding to each deformation feature point is obtained respectively to obtain multiple anchor deformation distances, and the average of the obtained multiple anchor deformation distances is calculated to obtain the first anchor deformation monitoring value.

[0013] Furthermore, the comprehensive assessment module obtains the anchor safety assessment coefficient as follows: Obtain the bolt periodic monitoring data, and obtain the periodic monitoring data corresponding to each mine bolt according to the bolt periodic monitoring data; Obtain anchor position assessment coefficient and anchor deformation assessment coefficient based on periodic monitoring data; The anchor position assessment coefficient and the anchor deformation assessment coefficient are calculated to obtain the anchor safety assessment coefficient; The safety assessment coefficient of the anchor bolt is calculated as follows: ; Among them, Anp is the anchor safety assessment coefficient, Wpg is the anchor position assessment coefficient, and Xpg is the anchor deformation assessment coefficient; Obtain the anchor bolt safety assessment coefficient threshold, perform numerical comparison between the anchor bolt safety assessment coefficient and the anchor bolt safety assessment coefficient threshold, and conduct a comprehensive safety assessment of the mine anchor bolt based on the numerical comparison results.

[0014] Furthermore, the comprehensive assessment module performs a comprehensive safety assessment on the mine bolt, as follows: Obtaining anchor position assessment coefficient threshold and anchor deformation assessment coefficient threshold; The anchor position assessment coefficient threshold and the anchor deformation assessment coefficient threshold are calculated to obtain the anchor safety assessment coefficient threshold; The anchor safety assessment coefficient threshold is calculated, and the specific formula is as follows: ; Among them, Anpy is the anchor safety assessment coefficient threshold, Wpgy is the anchor position assessment coefficient threshold, and Xpgy is the anchor deformation assessment coefficient threshold; If the anchor bolt safety assessment coefficient is greater than or equal to the anchor bolt safety assessment coefficient threshold, the corresponding mine anchor bolt safety monitoring is evaluated as unqualified; If the anchor safety assessment coefficient is less than the anchor safety assessment coefficient threshold, the corresponding mine anchor safety monitoring is qualified.

[0015] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are: 1. The present invention obtains the monitoring frequency of each mine anchor in the anchor monitoring cycle by analyzing the preliminary collected data of the mine anchor, which can effectively improve the pertinence of the monitoring frequency and realize the efficient use of monitoring resources; 2. The present invention obtains the anchor position assessment coefficient by performing periodic position monitoring on each mine anchor, obtains the anchor deformation assessment coefficient by performing periodic deformation monitoring on each mine anchor, and performs a comprehensive safety assessment through the anchor position assessment coefficient and the anchor deformation assessment coefficient, thereby improving the comprehensiveness of the monitoring process and the accuracy of the monitoring results. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to facilitate understanding by those skilled in the art, the present invention is further described below with reference to the accompanying drawings.

[0017] Figure 1 is the overall system block diagram of the present invention; Figure 2 is a cross-sectional view of a sample mine of the present invention; Figure 3 Schematic diagram of deformation feature points of the present invention. DETAILED DESCRIPTION

[0018] The technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] Embodiment 1 See also Figure 1 , the present invention provides a technical solution: a mine bolt evaluation system based on monitoring data, comprising a data acquisition module, a monitoring frequency module, a periodic monitoring module, a comprehensive evaluation module and a server, wherein the data acquisition module, the monitoring frequency module, the periodic monitoring module and the comprehensive evaluation module are respectively connected to the server, and the server controls the data acquisition module, the monitoring frequency module, the periodic monitoring module and the comprehensive evaluation module respectively; The data acquisition module obtains the mine bolt selection data by selecting multiple mine bolts in the target mine, and obtains the mine bolt monitoring data by monitoring the working environment of each mine bolt respectively, thereby obtaining the preliminary acquisition data of the mine bolt; The details are as follows: The mine anchors installed in the target mine are acquired to obtain a plurality of mine anchors, and one of the acquired plurality of mine anchors is randomly selected as a sample mine anchor to obtain mine anchor selection data; It should be noted here that: In this application, the target mine referred to herein is the monitoring mine sample selected in the present invention; Obtain the time value of installing the sample mine anchor in the target mine to obtain the first characteristic time value, obtain the time value corresponding to the current moment to obtain the second characteristic time value, calculate the time difference between the first characteristic time value and the second characteristic time value, and obtain the cumulative working time of the anchor; Conduct rock mass stability analysis on the area supported by the sample mine bolt, and obtain the first rock mass stability coefficient and the second rock mass stability coefficient corresponding to the sample mine bolt; The details are as follows: In the target mine, the area where the bolt contacts the rock mass is marked to obtain the bolt-rock mass contact area; It should be noted here that: In this application, the anchor rock contact area is the portion of the anchor buried in the rock mass and the gap between the anchor and the rock; In the anchor-rock contact area, the partial area where the anchor penetrates into the rock mass is marked as the first anchor-rock contact area, and the surface area where the anchor does not penetrate into the rock mass is marked as the second anchor-rock contact area; In the second anchor rock contact area, a number of rock mass characteristic points are randomly selected, and the Mohs hardness value of each rock mass characteristic point is obtained respectively to obtain a plurality of characteristic point hardness values, and the average of the obtained plurality of characteristic point hardness values ​​is calculated to obtain the second rock mass stability coefficient; Conduct stability monitoring on the first anchor-rock contact area to obtain the first rock mass stability coefficient; The details are as follows: Acquiring a surface image of the first anchor-rock contact area to obtain a surface image of the first contact area; Acquire historical image data of the sample mine bolt, acquire a surface image of a first anchor-rock contact area of ​​the sample mine bolt at the time of installation through the historical image data, and obtain a surface image of a second contact area; It should be noted here that: The surface image of the first anchor-rock contact area involved here is specifically an external light surface image of the connection area between the anchor rod and the rock mass of the sample mine; The external shooting parameters of the first contact area surface image and the second contact area surface image involved here are the same, and the external shooting parameters involved here include but are not limited to angle, distance and focal length; In the first contact area surface image, the area where the mine bolt is located is marked as the first image bolt area, and the area where the supporting rock mass is located is marked as the first image rock mass area; In the surface image of the first contact area, a plurality of square filling blocks with the same unit area are set, and the square filling blocks are used to fill the anchor area of ​​the first image until the square filling blocks cover the anchor area of ​​the first image, and the number of square filling blocks in the anchor area of ​​the first image is counted to obtain the first anchor filling quantity value, and the square filling blocks are used to fill the rock area of ​​the first image until the square filling blocks cover the rock area of ​​the first image, and the number of square filling blocks in the rock area of ​​the first image is counted to obtain the first rock filling quantity value; In the second contact area surface image, the area where the mine bolt is located is marked as the second image bolt area, and the area where the supporting rock mass is located is marked as the second image rock mass area; In the surface image of the second contact area, a plurality of square filling blocks with the same unit area are set, the anchor area of ​​the second image is covered with the square filling blocks, and the number of square filling blocks required to cover the anchor area of ​​the second image is counted to obtain a second anchor filling quantity value, the rock area of ​​the second image is covered with the square filling blocks, and the number of square filling blocks required to cover the rock area of ​​the second image is counted to obtain a second rock filling quantity value; It should be noted here that: In the present application, the square filling blocks filled in the first contact area surface image and the second contact area surface image have the same area, and the area is 0.01 cm 2 ; The first rock mass stability coefficient is obtained by calculating the first anchor filling quantity value, the second anchor filling quantity value, the first rock mass filling quantity value and the second rock mass filling quantity value; The stability coefficient of the first rock mass is calculated, and the specific formula is as follows: ; Among them, Ywx2 is the stability coefficient of the first rock mass, Mts1 is the filling quantity value of the first anchor rod, Mts2 is the filling quantity value of the second anchor rod, Yts1 is the filling quantity value of the first rock mass, and Yts2 is the filling quantity value of the second rock mass; The cumulative working time of the anchor bolt, the first rock mass stability coefficient and the first rock mass stability coefficient corresponding to the anchor bolt of the sample mine are defined as the monitoring data of the anchor bolt of the mine; The mine bolt monitoring data corresponding to each mine bolt is acquired respectively to obtain a plurality of mine bolt monitoring data; A plurality of mine bolt monitoring data and mine bolt selection data are defined as mine bolt preliminary acquisition data; The data acquisition module acquires the preliminary data of the mine bolt and transmits it to the monitoring frequency module and the periodic monitoring module; The monitoring frequency module marks an anchor monitoring cycle, obtains the monitoring frequency of each mine anchor in the anchor monitoring cycle by analyzing the preliminary collected data of the mine anchor, and obtains the anchor cycle monitoring frequency data; Obtain preliminary data of mine bolt collection, and obtain multiple mine bolt monitoring data and mine bolt selection data; The sample mine anchor is obtained according to the mine anchor selection data, and the cumulative working time of the anchor, the first rock mass stability coefficient and the first rock mass stability coefficient are respectively obtained according to the mine anchor monitoring data corresponding to the sample mine anchor; In the process of monitoring the mine bolt, the time value corresponding to the current moment is marked as the first cycle monitoring time value, and in the period after the first cycle monitoring time value, a second cycle monitoring time value is marked, and the period between the first cycle monitoring time value and the second cycle monitoring time value is named as the bolt monitoring period; It should be noted here that: In the present application, the time interval between the first cycle monitoring time value and the second cycle monitoring time value involved here is specifically set to fifteen days, that is, the cycle length corresponding to the anchor monitoring cycle here is fifteen days; Conduct periodic monitoring frequency analysis on sample mine bolts to obtain bolt monitoring time point data; The details are as follows: Obtain the basic monitoring frequency of the anchor bolt cycle, and calculate the basic monitoring frequency of the anchor bolt cycle, the cumulative working time of the anchor bolt, the first rock mass stability coefficient, and the first rock mass stability coefficient to obtain the actual monitoring frequency of the anchor bolt cycle; The actual monitoring frequency of the anchor bolt cycle is calculated using the following formula: ; Among them, Pcs is the actual monitoring frequency of the anchor period, Pcj is the basic monitoring frequency of the anchor period, Ywx1 is the stability coefficient of the first rock mass, Ywx2 is the stability coefficient of the first rock mass, and Lsc is the cumulative working time of the anchor; During the anchor monitoring cycle, several anchor cycle monitoring points with equal time intervals are marked, and the corresponding values ​​of the anchor cycle monitoring points and the actual monitoring frequency of the anchor cycle are equal; It should be noted here that: Assuming that the actual monitoring frequency of the bolt cycle corresponding to the bolt in the sample mine is 8, eight bolt cycle monitoring points are marked within the bolt monitoring cycle; The several anchor bolt period monitoring points marked in the anchor bolt monitoring period are named as the first anchor bolt monitoring time point to the mth anchor bolt monitoring time point in chronological order, and the anchor bolt monitoring time point data corresponding to the sample mine anchor bolt are obtained.

[0020] Repeat the process of acquiring the anchor monitoring time point data corresponding to the sample mine anchor, respectively acquire the anchor monitoring time point data corresponding to each mine anchor, and obtain multiple anchor monitoring time point data; The multiple anchor monitoring time point data and anchor monitoring cycle are defined as anchor cycle monitoring frequency data; The monitoring frequency module acquires the anchor bolt periodic monitoring frequency data and transmits it to the periodic monitoring module and the comprehensive evaluation module; The periodic monitoring module performs periodic monitoring on each mine anchor according to the anchor periodic monitoring data to obtain the anchor periodic monitoring data; The details are as follows: Obtain anchor bolt periodic monitoring frequency data, and obtain anchor bolt monitoring time point data and anchor bolt monitoring period corresponding to each mine anchor bolt according to the anchor bolt periodic monitoring frequency data; According to the anchor monitoring time point data corresponding to the anchors in the sample mine, the first anchor monitoring time point to the mth anchor monitoring time point in the anchor monitoring cycle are obtained; Monitor the position of the sample mine bolts and obtain the periodic monitoring data corresponding to the sample mine bolts; The details are as follows: See also Figure 2 , obtain the mine profile of the area where the sample mine bolt is located, and obtain the sample mine profile; In the sample mine profile, the left intersection point of the mine arc surface and the mine ground is marked as the first position feature point, the right intersection point of the mine arc surface and the mine ground is marked as the second position feature point, the first position feature point and the second position feature point are continuously marked as the first position feature line, and the midpoint of the first position feature line is marked as the third position feature point; It should be noted here that: In this application, the orientation of the mine bolts involved is parallel to the mine profile; In the sample mine profile, the first position characteristic line is marked as the coordinate x-axis, the third position characteristic point is marked as the coordinate origin, the coordinate origin is made, a straight line perpendicular to the coordinate x-axis is made, the coordinate y-axis is obtained, and the plane rectangular coordinate system composed of the coordinate x-axis, the coordinate y-axis and the coordinate origin is marked as the mine profile rectangular coordinate system; Mark a feature point at the top of the sample mine anchor as the first anchor feature point, draw a line parallel to the sample mine anchor body through the first anchor feature point, mark the intersection of the parallel line and the tail of the sample mine anchor as the second anchor feature point, draw a line connecting the first anchor feature point and the second anchor feature point to obtain the anchor marking line; It should be noted here that: In this application, the anchor marking line referred to herein is parallel to the sample mine anchor body; Performing position monitoring of the sample mine anchor at the first anchor monitoring time point in the mine profile rectangular coordinate system to obtain the first anchor position monitoring value; The details are as follows: The polar length value of the anchor mark line in the rectangular coordinate system of the mine section is obtained to obtain the polar diameter value of the anchor; The polar angle of the anchor mark line in the rectangular coordinate system of the mine section is obtained to obtain the anchor polar angle value; Obtaining anchor rod polar diameter reference values ​​and anchor rod polar angle reference values ​​respectively, and calculating the anchor rod polar diameter value, anchor rod polar angle value, anchor rod polar diameter reference value, and anchor rod polar angle reference value to obtain a first anchor rod position monitoring value; It should be noted here that: In this application, the anchor rod polar diameter reference value and anchor rod polar angle reference value involved here are the anchor rod polar diameter reference value and anchor rod polar angle reference value of the sample mine anchor rod during the installation stage; The monitoring value of the first anchor position is calculated, and the specific formula is as follows: ; Among them, Wz1 is the first anchor position monitoring value, Jjz is the anchor polar diameter value, Jzl is the anchor polar diameter reference value, Ljs is the anchor polar angle value, and Ljj is the anchor polar angle reference value.

[0021] Repeat the process of obtaining the first anchor position monitoring value, perform position monitoring on the sample mine anchors at the second anchor monitoring time point to the mth anchor monitoring time point, and obtain the second anchor position monitoring value to the mth anchor position monitoring value; The anchor position evaluation coefficient is obtained by calculating the first anchor position monitoring value to the mth anchor position monitoring value; The details are as follows: ; Wherein, Wpg is the anchor position evaluation coefficient, Wzi is the monitoring value of the i-th anchor position, and Wz(i-1) is the monitoring value of the i-1-th anchor position.

[0022] It should be noted here that: In the present application, the i-th anchor position monitoring value involved here may be any anchor position monitoring value from the first anchor position monitoring value to the m-th anchor position monitoring value; Performing deformation monitoring on the sample mine anchor at the first anchor monitoring time point in the mine profile rectangular coordinate system to obtain the first anchor deformation monitoring value; The details are as follows: Mark the sample mine anchors at the first anchor monitoring time point in the mine profile rectangular coordinate system, and obtain the anchor marking lines; See also Figure 3 , randomly marking a number of deformation feature points in the sample mine bolt, and randomly selecting a deformation feature point from the marked multiple deformation feature points as a sample deformation feature point; It should be noted here that: The several deformation characteristic points involved here are all on the edge of one side of the rod body of the sample mine bolt; Draw a perpendicular line between the sample feature point and the anchor mark line, mark the intersection of the perpendicular line and the anchor mark line as the deformation vertical intersection point, obtain the distance value between the sample deformation feature point and the deformation vertical intersection point, obtain the deformation feature distance corresponding to the sample deformation feature point, obtain the radius of the sample mine anchor, obtain the deformation reference distance, calculate the difference between the deformation feature distance and the deformation reference distance, and take the absolute value of the obtained difference to obtain the anchor deformation distance corresponding to the sample deformation feature point; It should be noted here that: In this application, the main body of the mine bolt involved is cylindrical by default; Repeat the process of obtaining the anchor deformation distance corresponding to the sample deformation feature point, respectively obtain the anchor deformation distance corresponding to each deformation feature point, obtain multiple anchor deformation distances, and average the obtained multiple anchor deformation distances to obtain the first anchor deformation monitoring value; Repeat the process of obtaining the first anchor bolt deformation monitoring value, perform deformation monitoring on the sample mine anchor bolts at the second anchor bolt monitoring time point to the mth anchor bolt monitoring time point, and obtain the second anchor bolt deformation monitoring value to the mth anchor bolt deformation monitoring value; The anchor deformation assessment coefficient is obtained by calculating the first anchor deformation monitoring value to the mth anchor deformation monitoring value; The details are as follows: ; Among them, Xpg is the anchor deformation assessment coefficient, Xzi is the i-th anchor deformation monitoring value, and Xz(i-1) is the i-1-th anchor deformation monitoring value.

[0023] It should be noted here that: In the present application, the i-th anchor rod deformation monitoring value involved here may be any anchor rod deformation monitoring value from the first anchor rod deformation monitoring value to the m-th anchor rod deformation monitoring value; The anchor position assessment coefficient and anchor deformation assessment coefficient are defined as the periodic monitoring data corresponding to the anchors in the sample mine; Repeat the process of acquiring the periodic monitoring data corresponding to the sample mine anchor, respectively acquire the periodic monitoring data corresponding to each mine anchor, and obtain the anchor periodic monitoring data; The periodic monitoring module acquires the periodic monitoring data of the anchor bolt and transmits it to the comprehensive evaluation module; The comprehensive assessment module conducts a comprehensive safety assessment on each mine anchor based on the anchor cycle monitoring data; The details are as follows: Obtain the bolt periodic monitoring data, and obtain the periodic monitoring data corresponding to each mine bolt according to the bolt periodic monitoring data; Obtain anchor position assessment coefficient and anchor deformation assessment coefficient based on periodic monitoring data; The anchor position assessment coefficient and the anchor deformation assessment coefficient are calculated to obtain the anchor safety assessment coefficient; The safety assessment coefficient of the anchor bolt is calculated as follows: ; Among them, Anp is the anchor safety assessment coefficient, Wpg is the anchor position assessment coefficient, and Xpg is the anchor deformation assessment coefficient; Obtaining a threshold value of the anchor bolt safety assessment coefficient, numerically comparing the anchor bolt safety assessment coefficient with the anchor bolt safety assessment coefficient threshold value, and conducting a comprehensive safety assessment of the mine anchor bolt according to the numerical comparison result; The details are as follows: Obtaining anchor position assessment coefficient threshold and anchor deformation assessment coefficient threshold; The anchor position assessment coefficient threshold and the anchor deformation assessment coefficient threshold are calculated to obtain the anchor safety assessment coefficient threshold; It should be noted here that: In this application, the anchor position assessment coefficient threshold and anchor deformation assessment coefficient threshold involved here are the maximum anchor position assessment coefficient and maximum anchor deformation assessment coefficient corresponding to the mine anchor that has passed the safety monitoring; The anchor safety assessment coefficient threshold is calculated, and the specific formula is as follows: ; Among them, Anpy is the anchor safety assessment coefficient threshold, Wpgy is the anchor position assessment coefficient threshold, and Xpgy is the anchor deformation assessment coefficient threshold; If the anchor bolt safety assessment coefficient is greater than or equal to the anchor bolt safety assessment coefficient threshold, the corresponding mine anchor bolt safety monitoring is evaluated as unqualified; If the anchor safety assessment coefficient is less than the anchor safety assessment coefficient threshold, the corresponding mine anchor safety monitoring is qualified.

[0024] In this application, if corresponding calculation formulas appear, the above calculation formulas are all dimensionless and take their numerical calculations. The weight coefficients, proportional coefficients and other coefficients in the formulas are set to a result value obtained by quantifying each parameter. The size of the weight coefficient and the proportional coefficient can be determined as long as it does not affect the proportional relationship between the parameter and the result value.

[0025] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A mine bolt evaluation system based on monitoring data, characterized in that: include: Data acquisition module: used to select multiple mine bolts in the target mine, obtain the mine bolt selection data, monitor the working environment of each mine bolt, obtain the mine bolt monitoring data, and obtain the preliminary collection data of the mine bolt; Monitoring frequency module: used to mark an anchor monitoring cycle, obtain the monitoring frequency of each mine anchor within the anchor monitoring cycle by analyzing the preliminary collected data of the mine anchor, and obtain the anchor cycle monitoring frequency data; Periodic monitoring module: used to perform periodic position monitoring on each mine anchor according to the anchor periodic monitoring data, obtain the anchor position evaluation coefficient, perform periodic deformation monitoring on each mine anchor, obtain the anchor deformation evaluation coefficient, and obtain the anchor periodic monitoring data; Comprehensive evaluation module: It is used to obtain the anchor safety assessment coefficient of each mine anchor according to the anchor period monitoring data, and obtain the anchor safety assessment coefficient threshold value and compare it with the anchor safety assessment coefficient, and conduct a comprehensive safety assessment based on the numerical comparison results.

2. A mine bolt evaluation system based on monitoring data according to claim 1, characterized in that: The data acquisition module acquires preliminary data collected from the mine bolt, as follows: The mine anchors installed in the target mine are acquired to obtain a plurality of mine anchors, and one of the acquired plurality of mine anchors is randomly selected as a sample mine anchor to obtain mine anchor selection data; Obtain the installation time value of the sample mine anchor to obtain the first characteristic time value, obtain the time value corresponding to the current moment to obtain the second characteristic time value, calculate the time difference between the first characteristic time value and the second characteristic time value, and obtain the cumulative working time of the anchor; In the target mine, the area where the bolt contacts the rock mass is marked to obtain the bolt-rock mass contact area; In the anchor-rock contact area, the area where the anchor penetrates into the rock mass is marked as the first anchor-rock contact area, and the area where the anchor does not penetrate into the rock mass is marked as the second anchor-rock contact area; Conduct stability monitoring on the first anchor-rock contact area to obtain the first rock mass stability coefficient; In the second anchor rock contact area, a number of rock mass characteristic points are randomly selected, and the Mohs hardness value of each rock mass characteristic point is obtained respectively to obtain a plurality of characteristic point hardness values, and the average of the obtained plurality of characteristic point hardness values ​​is calculated to obtain the second rock mass stability coefficient; The cumulative working time of the anchor bolts, the first rock mass stability coefficient and the second rock mass stability coefficient corresponding to the sample mine anchor bolts are defined as the mine anchor bolt monitoring data; The mine bolt monitoring data corresponding to each mine bolt is acquired respectively to obtain a plurality of mine bolt monitoring data; A plurality of mine bolt monitoring data and mine bolt selection data are defined as the mine bolt preliminary acquisition data.

3. A mine bolt evaluation system based on monitoring data according to claim 2, characterized in that: The data acquisition module acquires the first rock mass stability coefficient as follows: Acquiring a surface image of the first anchor-rock contact area to obtain a surface image of the first contact area; Acquire historical image data of the sample mine anchor, obtain a first anchor-rock contact area surface image at the time of installation of the sample mine anchor through the historical image data, and obtain a second contact area surface image; In the first contact area surface image, the area where the mine bolt is located is marked as the first image bolt area, and the area where the rock mass is located is marked as the first image rock mass area; In the surface image of the first contact area, a plurality of square filling blocks with the same unit area are set, and the square filling blocks are used to fill the anchor area of ​​the first image until the square filling blocks cover the anchor area of ​​the first image, and the number of square filling blocks in the anchor area of ​​the first image is counted to obtain the first anchor filling quantity value, and the square filling blocks are used to fill the rock area of ​​the first image until the square filling blocks cover the rock area of ​​the first image, and the number of square filling blocks in the rock area of ​​the first image is counted to obtain the first rock filling quantity value; In the second contact area surface image, the area where the mine bolt is located is marked as the second image bolt area, and the area where the supporting rock mass is located is marked as the second image rock mass area; In the surface image of the second contact area, a plurality of square filling blocks with the same unit area are set, the anchor area of ​​the second image is covered with the square filling blocks, and the number of square filling blocks required to cover the anchor area of ​​the second image is counted to obtain a second anchor filling quantity value, the rock area of ​​the second image is covered with the square filling blocks, and the number of square filling blocks required to cover the rock area of ​​the second image is counted to obtain a second rock filling quantity value; The second rock mass stability coefficient is obtained by calculating the first anchor filling quantity value, the second anchor filling quantity value, the first rock mass filling quantity value and the second rock mass filling quantity value; The stability coefficient of the second rock mass is calculated, and the specific formula is as follows: ； Among them, Ywx2 is the stability coefficient of the second rock mass, Mts1 is the first anchor filling quantity value, Mts2 is the second anchor filling quantity value, Yts1 is the first rock mass filling quantity value, and Yts2 is the second rock mass filling quantity value.

4. A mine bolt evaluation system based on monitoring data according to claim 1, characterized in that: The monitoring frequency module acquires the anchor bolt period monitoring frequency data, as follows: Obtain preliminary data of mine bolt collection, and obtain multiple mine bolt monitoring data and mine bolt selection data; The sample mine anchors are obtained according to the mine anchor selection data, and the cumulative working time of the anchors, the first rock mass stability coefficient and the second rock mass stability coefficient are obtained according to the mine anchor monitoring data; In the process of monitoring the mine bolt, the time value corresponding to the current moment is marked as the first cycle monitoring time value, and in the period after the first cycle monitoring time value, a second cycle monitoring time value is marked, and the period between the first cycle monitoring time value and the second cycle monitoring time value is named as the bolt monitoring period; Conduct periodic monitoring frequency analysis on sample mine bolts to obtain bolt monitoring time point data; The anchor monitoring time point data corresponding to each mine anchor is acquired respectively to obtain multiple anchor monitoring time point data; The multiple anchor monitoring time point data and anchor monitoring cycles are defined as anchor cycle monitoring frequency data.

5. A mine bolt evaluation system based on monitoring data according to claim 4, characterized in that: The monitoring frequency module acquires the anchor monitoring time point data, as follows: Obtain the basic monitoring frequency of the anchor bolt cycle, and calculate the basic monitoring frequency of the anchor bolt cycle, the cumulative working time of the anchor bolt, the first rock mass stability coefficient, and the second rock mass stability coefficient to obtain the actual monitoring frequency of the anchor bolt cycle; The actual monitoring frequency of the anchor bolt cycle is calculated using the following formula: ； Among them, Pcs is the actual monitoring frequency of the anchor period, Pcj is the basic monitoring frequency of the anchor period, Ywx1 is the stability coefficient of the first rock mass, Ywx2 is the stability coefficient of the second rock mass, and Lsc is the cumulative working time of the anchor; During the anchor monitoring cycle, several anchor cycle monitoring points with equal time intervals are marked, and the corresponding values ​​of the anchor cycle monitoring points and the actual monitoring frequency of the anchor cycle are equal; The several anchor rod period monitoring points marked in the anchor rod monitoring period are named as the first anchor rod monitoring time point to the mth anchor rod monitoring time point in chronological order to obtain the anchor rod monitoring time point data.

6. A mine bolt evaluation system based on monitoring data according to claim 1, characterized in that: The periodic monitoring module acquires the anchor periodic monitoring data as follows: Obtain anchor bolt periodic monitoring frequency data, and obtain anchor bolt monitoring time point data and anchor bolt monitoring period corresponding to each mine anchor bolt according to the anchor bolt periodic monitoring frequency data; According to the anchor monitoring time point data corresponding to the anchors in the sample mine, the first anchor monitoring time point to the mth anchor monitoring time point in the anchor monitoring cycle are obtained; Monitor the position of the sample mine bolts and obtain the periodic monitoring data corresponding to the sample mine bolts; The details are as follows: Obtain a mine profile of an area where the anchor bolt of the sample mine is located, and obtain a sample mine profile; In the sample mine profile, the intersection point of the mine arc surface and the mine ground at one end is marked as the first position feature point, the intersection point of the mine arc surface and the mine ground at the other end is marked as the second position feature point, the continuation of the first position feature point and the second position feature point is marked as the first position feature line, and the midpoint of the first position feature line is marked as the third position feature point; In the sample mine profile, the first position characteristic line is marked as the coordinate x-axis, the third position characteristic point is marked as the coordinate origin, the coordinate origin is made, a straight line perpendicular to the coordinate x-axis is made, the coordinate y-axis is obtained, and the plane rectangular coordinate system composed of the coordinate x-axis, the coordinate y-axis and the coordinate origin is marked as the mine profile rectangular coordinate system; A first anchor feature point is marked on the top of the sample mine anchor, a line parallel to the sample mine anchor body is drawn through the first anchor feature point, the intersection of the parallel line and the tail of the sample mine anchor is marked as the second anchor feature point, and a line connecting the first anchor feature point and the second anchor feature point is drawn to obtain an anchor marking line; Performing position monitoring of the sample mine anchor at the first anchor monitoring time point in the mine profile rectangular coordinate system to obtain the first anchor position monitoring value; Performing position monitoring on the sample mine anchors at the second anchor monitoring time point to the mth anchor monitoring time point, and obtaining the second anchor position monitoring value to the mth anchor position monitoring value; The anchor position evaluation coefficient is obtained by calculating the first anchor position monitoring value to the mth anchor position monitoring value; The details are as follows: ； Wherein, Wpg is the anchor position evaluation coefficient, Wzi is the monitoring value of the i-th anchor position, and Wz(i-1) is the monitoring value of the i-1-th anchor position; Performing deformation monitoring on the sample mine anchor at the first anchor monitoring time point in the mine profile rectangular coordinate system to obtain the first anchor deformation monitoring value; Perform deformation monitoring on the sample mine anchor rods at the second anchor rod monitoring time point to the mth anchor rod monitoring time point, and obtain the second anchor rod deformation monitoring value to the mth anchor rod deformation monitoring value; The anchor deformation assessment coefficient is obtained by calculating the first anchor deformation monitoring value to the mth anchor deformation monitoring value; The details are as follows: ； Among them, Xpg is the anchor deformation assessment coefficient, Xzi is the i-th anchor deformation monitoring value, and Xz(i-1) is the i-1-th anchor deformation monitoring value; The anchor position assessment coefficient and anchor deformation assessment coefficient are defined as the periodic monitoring data corresponding to the anchors in the sample mine; The process of acquiring the periodic monitoring data corresponding to the sample mine anchor is repeated, and the periodic monitoring data corresponding to each mine anchor is acquired respectively to obtain the anchor periodic monitoring data.

7. A mine bolt evaluation system based on monitoring data according to claim 6, characterized in that: The periodic monitoring module obtains the first anchor position monitoring value as follows: The polar diameter length value of the anchor mark line in the rectangular coordinate system of the mine section is obtained to obtain the polar diameter value of the anchor; The polar angle of the anchor mark line in the rectangular coordinate system of the mine section is obtained to obtain the anchor polar angle value; Obtaining anchor rod polar diameter reference values ​​and anchor rod polar angle reference values ​​respectively, and calculating the anchor rod polar diameter value, anchor rod polar angle value, anchor rod polar diameter reference value, and anchor rod polar angle reference value to obtain a first anchor rod position monitoring value; The monitoring value of the first anchor position is calculated, and the specific formula is as follows: ； Among them, Wz1 is the first anchor position monitoring value, Jjz is the anchor polar diameter value, Jzl is the anchor polar diameter reference value, Ljs is the anchor polar angle value, and Ljj is the anchor polar angle reference value.

8. A mine bolt evaluation system based on monitoring data according to claim 7, characterized in that: The periodic monitoring module obtains the first anchor deformation monitoring value as follows: Mark the sample mine anchors at the first anchor monitoring time point in the mine profile rectangular coordinate system, and obtain the anchor marking lines; Randomly mark a number of deformation feature points in the sample mine bolt, and randomly select a deformation feature point from the marked multiple deformation feature points as a sample deformation feature point; Draw a perpendicular line between the sample feature point and the anchor mark line, mark the intersection of the perpendicular line and the anchor mark line as the deformation vertical intersection point, obtain the distance value between the sample deformation feature point and the deformation vertical intersection point, obtain the deformation feature distance corresponding to the sample deformation feature point, obtain the radius of the sample mine anchor, obtain the deformation reference distance, calculate the difference between the deformation feature distance and the deformation reference distance, and take the absolute value of the obtained difference to obtain the anchor deformation distance corresponding to the sample deformation feature point; The anchor deformation distance corresponding to each deformation feature point is obtained respectively to obtain a plurality of anchor deformation distances, and the average of the obtained plurality of anchor deformation distances is calculated to obtain a first anchor deformation monitoring value.

9. A mine bolt evaluation system based on monitoring data according to claim 1, characterized in that: The comprehensive assessment module obtains the anchor safety assessment coefficient, as follows: Obtain the bolt periodic monitoring data, and obtain the periodic monitoring data corresponding to each mine bolt according to the bolt periodic monitoring data; Obtain anchor position assessment coefficient and anchor deformation assessment coefficient based on periodic monitoring data; The anchor position assessment coefficient and the anchor deformation assessment coefficient are calculated to obtain the anchor safety assessment coefficient; The safety assessment coefficient of the anchor bolt is calculated as follows: ； Among them, Anp is the anchor safety assessment coefficient, Wpg is the anchor position assessment coefficient, and Xpg is the anchor deformation assessment coefficient; Obtain the anchor bolt safety assessment coefficient threshold, perform numerical comparison between the anchor bolt safety assessment coefficient and the anchor bolt safety assessment coefficient threshold, and conduct a comprehensive safety assessment of the mine anchor bolt based on the numerical comparison results.

10. A mine bolt evaluation system based on monitoring data according to claim 9, characterized in that: The comprehensive assessment module performs a comprehensive safety assessment on the mine bolt, as follows: Obtaining anchor position assessment coefficient threshold and anchor deformation assessment coefficient threshold; The anchor position assessment coefficient threshold and the anchor deformation assessment coefficient threshold are calculated to obtain the anchor safety assessment coefficient threshold; The anchor safety assessment coefficient threshold is calculated, and the specific formula is as follows: ； Among them, Anpy is the anchor safety assessment coefficient threshold, Wpgy is the anchor position assessment coefficient threshold, and Xpgy is the anchor deformation assessment coefficient threshold; If the anchor bolt safety assessment coefficient is greater than or equal to the anchor bolt safety assessment coefficient threshold, the corresponding mine anchor bolt safety monitoring is evaluated as unqualified; If the anchor safety assessment coefficient is less than the anchor safety assessment coefficient threshold, the corresponding mine anchor safety monitoring is qualified.

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