CN109098706B - Mine drilling comprehensive parameter monitoring method and device based on sound waves - Google Patents
Mine drilling comprehensive parameter monitoring method and device based on sound waves Download PDFInfo
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- CN109098706B CN109098706B CN201810959426.8A CN201810959426A CN109098706B CN 109098706 B CN109098706 B CN 109098706B CN 201810959426 A CN201810959426 A CN 201810959426A CN 109098706 B CN109098706 B CN 109098706B
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
- E21B47/14—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
Abstract
The invention relates to a mine drilling comprehensive parameter monitoring method and device based on sound waves, wherein the monitoring steps are as follows: fixing a monitoring device with a sound wave acquisition function on a drilling machine; the monitoring device collects and records sound wave signals in the whole construction process of the drilling machine; and extracting amplitude and frequency characteristics of the sound wave signals, analyzing the state of the whole construction process of the drilling machine, and monitoring the construction process and the parameter change of a construction object. The invention fully considers the mine drilling rule, analyzes the states of all construction links in the drilling construction process by utilizing the sound wave signals, realizes the monitoring of the whole drilling construction process, effectively masters the drilling construction process and the working state of the drilling machine, judges all links of the drilling construction, analyzes the working state of the drilling machine, the strength and stress state of a construction object and the construction efficiency of workers, can effectively supervise false behavior such as false report drilling footage and the like, and ensures the engineering quality. The monitoring method and the monitoring device are low in cost, simple, convenient and reliable.
Description
Technical Field
The invention relates to the technical field of industrial monitoring, in particular to a mine drilling comprehensive parameter monitoring method and device based on sound waves.
Background
In the mine industry, drilling is a common construction method, is commonly used for pressure relief, geological exploration, water exploration, gas drainage and the like of coal and rock masses, and is often used as the most main prevention and control means particularly in the process of rock burst prevention and control. The general process flow of drilling construction is as follows: connecting a compressed air pipeline, installing a drill rod, starting a drilling machine, drilling a hole in a coal rock mass, stopping drilling when the drill rod is about to enter the hole, changing the drill rod, continuing drilling, sequentially circulating until the drill rod is drilled to a designed depth, turning the drill rod, detaching the drill rod, and sequentially circulating until the drill rod is completely pulled out, and stopping the drilling machine. In the drilling construction process, the construction efficiency, the drilling footage, the working state of the drilling machine, the contact state of a drill rod and a coal rock body, the drill clamping in the drilling hole, the drill suction and the like cannot be monitored, recorded and described easily, false conditions such as false reporting of the drilling footage and the like in the construction process often occur, and the drilling construction efficiency and the engineering effect are seriously influenced.
Disclosure of Invention
In view of the above analysis, the present invention aims to provide a method and a device for monitoring mine drilling comprehensive parameters based on sound waves, which are used for monitoring the whole drilling construction process.
The purpose of the invention is mainly realized by the following technical scheme:
a mine drilling comprehensive parameter monitoring method based on sound waves comprises the following steps:
s110, fixing a monitoring device with a sound wave acquisition function on a drilling machine;
s120, collecting and recording sound wave signals in the whole construction process of the drilling machine by using the monitoring device;
s130, extracting amplitude and frequency characteristics of the sound wave signals, analyzing the state of the whole drilling machine construction process, and monitoring construction parameters.
Further, the fixed position of the monitoring device is kept unchanged for the same drilling machine and different time and different construction processes; the monitoring device is fixed at the same position of the drilling machine for different drilling machines.
Furthermore, the monitoring device and the drilling machine work synchronously, sound wave signals of each drilling construction process are recorded in sequence, and after a certain construction period is carried out, sound wave data in the monitoring device are read for analysis.
Further, the step S130 specifically includes:
s131, extracting amplitude and frequency characteristics of the sound wave signals, and drawing an amplitude-time change curve and a frequency-time change curve;
s132, judging a construction link in the whole construction process by combining the amplitude-time change curve and the frequency-time change curve, and drawing a construction link timing chart; the construction links comprise stand-by of a drilling machine, drill rod installation, idling of the drilling machine, drill rod drilling, drill rod replacement, drill withdrawal, drill suction or drill clamping;
s133, analyzing the whole process state of single or multiple drilling construction according to the construction link sequence diagram, judging the construction state including the working state, the construction progress, the construction efficiency, the strength and the stress state of a construction object of the drilling machine, and monitoring the construction parameters of the drilling machine.
Further, in the process of extracting the amplitude and frequency characteristics of the sound wave signal, filtering is performed on the amplitude and frequency characteristics by using a filtering tool respectively so as to filter disordered sound waves such as human voice and other equipment sounds.
Further, the monitored drilling machine construction parameters comprise drilling hole advance ruler, construction time of each drilling hole, construction efficiency of each drilling hole, construction progress and fault judgment;
obtaining a drilling footage according to the product of the drilling rod changing times and the drilling rod length in the construction link time sequence chart;
judging the construction time of each drill hole according to the time interval from the drilling start of the drill rod to the withdrawal start of each drill hole;
calculating the construction efficiency of each drill hole according to the construction time and the drilling footage of each drill hole;
judging the number of finished drill holes according to the number of times of drill withdrawal in a construction link time sequence chart so as to determine the construction progress;
and judging the fault in the construction process according to whether the drill jamming occurs in the construction link time sequence diagram.
Further, when a new area is constructed or a drilling machine of a new type is used, a demonstration drilling hole is constructed, sound waves are recorded and analyzed to obtain a standard construction link timing diagram, and parameters of other drilling hole construction processes are monitored in an auxiliary mode.
A mine drilling comprehensive parameter monitoring device based on sound waves comprises: the high-performance magnet, the monitoring device body and the upper computer;
the high-performance magnet is fixed on the monitoring device body and used for adsorbing the monitoring device body on the iron drilling machine;
the monitoring device body is adsorbed on an iron drilling machine through a high-performance magnet and is used for acquiring and storing sound wave signals in the whole process of mine drilling;
and the upper computer is used for extracting the amplitude and frequency characteristics of the sound wave signals according to the sound wave signals collected by the monitoring device body, analyzing the state of the whole drilling machine construction process and monitoring construction parameters.
Further, the monitoring device body comprises a monitoring device body,
the sound wave collector is used for collecting and recording sound wave signals in the whole process of mine drilling, converting digital sound wave data and outputting the digital sound wave data to the data warehouse;
the data bin is connected with the sound wave collector and used for storing the digital sound wave data collected by the sound wave collector and supplying power to the monitoring device;
the data interface is used for connecting the data bin and the upper computer and reading out the digital sound wave data stored in the data bin;
the safety cover is made of buffering sound-absorbing materials, wraps and seals the sound wave collector and the data bin.
Further, the buffering sound-absorbing material is rubber or a foaming material.
The invention has the following beneficial effects:
the method fully considers the mine drilling rule, analyzes the states of all construction links in the drilling construction process by using the sound wave signals, realizes the monitoring of the whole drilling construction process, effectively masters the drilling construction process and the working state of the drilling machine, judges all links of the drilling construction, analyzes the working state of the drilling machine, the strength and stress state of a construction object (coal rock mass) and the construction efficiency of workers, can effectively supervise false behavior such as false report drilling footage and the like, and ensures the engineering quality. The monitoring method and the monitoring device are low in cost, simple, convenient and reliable.
Drawings
The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout.
FIG. 1 is a flow chart of a mine drilling comprehensive parameter monitoring method in the embodiment of the invention;
FIG. 2 is a schematic composition diagram of a mine drilling comprehensive parameter monitoring device in the embodiment of the invention.
Detailed Description
The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which form a part hereof, and which together with the embodiments of the invention serve to explain the principles of the invention.
The embodiment of the invention provides a mine drilling comprehensive parameter monitoring method based on sound waves, which specifically comprises the following steps of:
s110, fixing a monitoring device with a sound wave acquisition function on a drilling machine;
specifically, the monitoring device has a sound wave acquisition function, and the monitoring device is fixed on the drilling machine to acquire and store sound wave signals in the drilling process;
the monitoring device is installed before drilling construction, and the fixed position of the monitoring device is based on the condition that the normal work of the drilling machine is not influenced;
preferably, the side of the drilling machine;
particularly, the fixed position of the monitoring device is kept unchanged for the same drilling machine in different time and different construction processes; for different drilling machines, the monitoring device is fixed at the same position of the drilling machine;
particularly, the monitoring device can comprise a high-performance magnet, and the comprehensive parameter monitoring device body is adsorbed on the iron drilling machine through the adsorption effect of the high-performance magnet.
The monitoring device is fixed on the drilling machine through the high-performance magnet, and the detection device is attached to the drilling machine to better collect sound wave signals; meanwhile, the disassembly is good, and the uploading of the collected sound wave signals is convenient; and the shell and the structure of the drilling machine are not damaged, and the drilling machine is not damaged.
S120, collecting and recording sound wave signals in the whole construction process of the drilling machine by using a monitoring device;
the monitoring device works synchronously with the drilling construction, and the sound wave signals of each drilling construction process are recorded in sequence;
after a certain construction period is carried out, connecting a monitoring device with an upper computer to read the sound wave data in the monitoring device for analysis;
the construction period is one production class or one round class, and the self-definition can be carried out according to the number of construction drilling holes or the construction time.
S130, reading out the sound wave signal by the upper computer, and carrying out state analysis on the whole drilling construction process;
the method specifically comprises the following steps:
s131, extracting amplitude and frequency characteristics of the sound wave signals, and drawing an amplitude-time change curve and a frequency-time change curve;
extracting amplitude characteristic information of the sound wave signal, and drawing an amplitude-time change curve;
extracting frequency characteristic information of the sound wave signals, and drawing a frequency-time change curve;
specifically, amplitude variation relative to time is obtained through an envelope detection algorithm;
specifically, the frequency of each time point of the sound wave signal is extracted by adopting FFT;
specifically, in the process of drawing the curve, the obtained amplitude and frequency information are filtered by using a filtering tool respectively to obtain a smooth curve.
S132, judging a construction link in the whole construction process by combining the amplitude-time change curve and the frequency-time change curve, and drawing a construction link timing chart; the construction links comprise stand-by of a drilling machine, drill rod installation, idling of the drilling machine, drill rod drilling, drill rod replacement, drill withdrawal, drill suction or drill clamping;
according to the different characteristics of the vibration amplitude and the frequency, each working condition is judged, as shown in table 1:
TABLE 1 comparison of amplitude and frequency characteristics with operating conditions and sounds
Determining each construction link in the whole construction process by combining the amplitude and frequency characteristics in the table; and drawing a construction link time sequence diagram according to the occurrence time points.
S133, analyzing the whole process state of single or multiple drilling construction according to a construction link sequence diagram, judging the construction state, and monitoring the construction parameters of the drilling machine;
the construction state comprises the working state of the drilling machine, the construction progress, the construction efficiency, the strength and the stress state of a construction object and the like;
the monitored drilling machine construction parameters comprise drilling hole advance ruler, construction time of each drilling hole, construction efficiency of each drilling hole, construction progress and fault judgment;
1) monitoring rig construction time and drilling footage
Judging the total construction time of each drill hole according to the time interval from the drilling start of the drill rod to the withdrawal start of each drill hole;
judging the drilling time of 1 drill rod according to the time of replacing the drill rods twice;
judging the drilling footage according to the product of the drilling rod changing times and the drilling rod length in each drilling process;
through the parameters monitored above, the drilling construction quality can be monitored in the whole process, and the phenomena of insufficient drilling construction depth and false drilling are avoided.
2) Monitoring construction progress
And judging the construction progress according to the time and the footage from the beginning to the completion of drilling of each drilling hole and the number of the completed drilling holes.
3) Monitoring construction efficiency
Judging the drilling efficiency of each drill rod and the construction efficiency of each drill hole according to the drilling time of each drill rod;
judging the construction efficiency of each drill hole according to the drilling time and the drilling footage of each drill hole; and calculating the construction efficiency of the workshop section according to the total number of the drill holes meeting the construction requirements in one period.
4) Monitoring for faults during construction
Judging whether equipment faults exist in the construction process according to the fault characteristics such as whether drill jamming occurs in a construction link time sequence diagram;
5) monitoring strength and stress state of single-hole local construction object
Judging the strength and stress state of a local range of a construction object at a drilling position according to the variation degree of the drilling frequency and amplitude in the time chart of each single drilling construction link; generally, when the frequency is high and the amplitude is high, the strength of the local range of a construction object is low or the stress is relatively low; on the contrary, the local range of the construction object has higher strength or relatively higher stress;
6) monitoring strength and stress state of multi-borehole large-range construction object
Based on a single-hole local construction object strength and stress state monitoring method, judging the strength and stress state of a construction object in a large-range area according to the change degrees of drilling frequency and amplitude of a plurality of drill holes in a time sequence chart of a plurality of drill hole construction links in the area;
specifically, when a new area is constructed or a drilling machine of a new type is used, a demonstration drilling hole is constructed, sound waves are recorded and analyzed to obtain a standard construction link timing diagram, and parameters of other drilling hole construction processes are monitored in an auxiliary mode.
A mine drilling comprehensive parameter monitoring device based on sound waves is shown in figure 2 and comprises: a high-performance magnet, a monitoring device body and an upper computer (not shown in the figure);
the high-performance magnet is fixed on the monitoring device body and used for adsorbing the monitoring device body on the iron drilling machine;
the monitoring device body is adsorbed on an iron drilling machine through a high-performance magnet and used for collecting and storing sound wave signals in the process of drilling a mine.
Specifically, the monitoring device body comprises a sound wave collector, a data bin, a data interface, a working button, an indicator light and a protective cover;
wherein, the data storehouse includes the shell, is provided with data memory, mainboard and battery in the shell.
Specifically, the sound wave collector is used for collecting and recording sound waves in the mine drilling process, converting the sound waves into digital signals and outputting the digital signals to the data storage; the sound wave collector is high in collection precision, the collected sound wave frequency range covers all the sound wave frequency ranges in the drilling process, the sound wave collector is closely adjacent to the high-strength magnet, the high-strength magnet is adsorbed on the iron drilling machine after the sound wave collector is installed, and the sound wave collector collects sound wave signals transmitted by the high-strength magnet;
the data bin is connected with the sound wave collector and used for storing the sound wave signals collected by the sound wave collector; the built-in data memory is used for storing the sound wave digital signals output by the sound wave collector; optionally, the data storage may be a data storage card including an SD card and a TIF card, and the capacity of the data storage is greater than 32 GB;
the built-in battery is used for supplying power to components including the sound wave collector and the data storage, and the endurance time is not less than 72 hours; the rechargeable battery is connected with an external power supply through a data interface for charging; the battery adopts an intrinsic safety type circuit design and is suitable for high gas and flammable and explosive environments in a mine;
the main board is used for supporting all electronic components, comprises a data memory and the like, is connected with the sound wave collector, the data interface, the power supply, the working indicator light and the working button, and manages the control relationship and the time sequence relationship of the monitoring device;
the data interface is used for connecting the upper computer, reading the acoustic wave digital signals stored in the data memory and analyzing data; the data interface can be a data interface including a serial interface, a 1394 interface or a USB interface;
the working button is used for controlling the working of the monitoring device body, is a non-self-locking button, and is pressed once when the monitoring device body is in a non-working state, so that the monitoring device works to acquire and store sound wave signals; when the monitoring device body is in a working state, the monitoring device body stops working by pressing the primary working button;
the indicating lamp is arranged outside the protective cover and used for indicating the working state of the monitoring device body;
the protective cover is made of buffering sound-absorbing materials and used for wrapping the sound wave collector and the data bin, and has the functions of protecting the sound wave collector and eliminating vibration and noise between the sound wave collector and the iron drilling machine;
optionally, the buffering and sound-absorbing material is rubber or a foam material.
Particularly, the monitoring device body is totally closed except for a data interface, so that dust prevention and water prevention are achieved; and, data interface is equipped with dustproof and waterproof stopper, and when not being connected with the host computer, dustproof and waterproof stopper seals data interface, plays dustproof, waterproof function, just pulls out dustproof and waterproof stopper when being connected with the host computer.
And the upper computer is used for extracting the amplitude and frequency characteristics of the sound wave signals according to the sound wave signals collected by the monitoring device body, analyzing the state of the whole drilling machine construction process and monitoring construction parameters.
The device embodiment and the method embodiment are based on the same invention concept, the upper computer extracts the amplitude and frequency characteristics of the sound wave signals, the state analysis of the whole construction process of the drilling machine is carried out, the process of monitoring the construction parameters is the same as the method embodiment, and the process is not repeated here.
In summary, the method and the device for monitoring the mine drilling comprehensive parameters based on the sound waves of the embodiment of the invention utilize the sound wave signals to analyze the states of all links of the construction in the drilling construction process, realize the monitoring of the whole drilling construction process, effectively master the drilling construction process and the working state of the drilling machine, judge all links of the drilling construction, analyze the working state of the drilling machine, the strength and stress state of a construction object (coal rock mass) and the construction efficiency of workers, effectively monitor false behavior such as false drilling footage and the like, and ensure the engineering quality. The monitoring method and the monitoring device are low in cost, simple, convenient and reliable.
Those skilled in the art will appreciate that all or part of the flow of the method implementing the above embodiments may be implemented by a computer program, which is stored in a computer readable storage medium, to instruct related hardware. The computer readable storage medium is a magnetic disk, an optical disk, a read-only memory or a random access memory.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (9)
1. A mine drilling comprehensive parameter monitoring method based on sound waves is characterized by comprising the following steps:
s110, fixing a monitoring device with a sound wave acquisition function on a drilling machine;
s120, collecting and recording sound wave signals in the whole construction process of the drilling machine by using the monitoring device;
s130, extracting amplitude and frequency characteristics of the sound wave signals, analyzing the state of the whole construction process of the drilling machine, and monitoring construction parameters;
the step S130 specifically includes:
s131, extracting amplitude and frequency characteristics of the sound wave signals, and drawing an amplitude-time change curve and a frequency-time change curve;
s132, judging a construction link in the whole construction process by combining the amplitude-time change curve and the frequency-time change curve, and drawing a construction link timing chart; the construction links comprise stand-by of a drilling machine, drill rod installation, idling of the drilling machine, drill rod drilling, drill rod replacement, drill withdrawal, drill suction or drill clamping;
s133, analyzing the whole process state of single or multiple drilling construction according to the construction link sequence diagram, judging the construction state including the working state, the construction progress, the construction efficiency, the strength and the stress state of a construction object of the drilling machine, and monitoring the construction parameters of the drilling machine.
2. The mine drilling comprehensive parameter monitoring method according to claim 1, wherein the fixed position of the monitoring device is kept unchanged for the same drilling machine at different times and in different construction processes; the monitoring device is fixed at the same position of the drilling machine for different drilling machines.
3. The mine drilling comprehensive parameter monitoring method according to claim 1, wherein the monitoring device and the drilling machine are synchronously operated, the sound wave signal of each drilling construction process is recorded in sequence, and after a certain construction period, the sound wave data in the monitoring device is read for analysis.
4. The mine drilling comprehensive parameter monitoring method according to claim 1, wherein in the process of extracting the amplitude and frequency characteristics of the sound wave signal, the amplitude and frequency characteristics are respectively filtered by a filtering tool so as to filter the disordered sound waves including human voice and other equipment sounds.
5. The mine drilling comprehensive parameter monitoring method according to claim 1, wherein the monitored drilling machine construction parameters comprise drilling hole advance footage, construction time of each drilling hole, construction efficiency of each drilling hole, construction progress and fault judgment;
obtaining a drilling footage according to the product of the drilling rod changing times and the drilling rod length in the construction link time sequence chart;
judging the construction time of each drill hole according to the time interval from the drilling start of the drill rod to the withdrawal start of each drill hole;
calculating the construction efficiency of each drill hole according to the construction time and the drilling footage of each drill hole;
judging the number of finished drill holes according to the number of times of drill withdrawal in a construction link time sequence chart so as to determine the construction progress;
and judging the fault in the construction process according to whether the drill jamming occurs in the construction link time sequence chart.
6. The mine drilling comprehensive parameter monitoring method according to any one of claims 1 to 5, wherein when a new area is constructed or different types of drilling machines are used, a demonstration drilling is constructed, sound waves are recorded and analyzed to obtain a standard construction link timing diagram, and parameters of other drilling construction processes are monitored in an auxiliary manner.
7. The mine drilling comprehensive parameter monitoring method according to any one of claims 1 to 5, wherein a mine drilling comprehensive parameter monitoring device is adopted; the device specifically comprises: the high-performance magnet, the monitoring device body and the upper computer;
the high-performance magnet is fixed on the monitoring device body and used for adsorbing the monitoring device body on the iron drilling machine;
the monitoring device body is adsorbed on an iron drilling machine through a high-performance magnet and is used for acquiring and storing sound wave signals in the whole process of mine drilling;
and the upper computer is used for extracting the amplitude and frequency characteristics of the sound wave signals according to the sound wave signals collected by the monitoring device body, analyzing the state of the whole drilling machine construction process and monitoring construction parameters.
8. The mine drilling integrated parameter monitoring method of claim 7, wherein the monitoring device body comprises,
the sound wave collector is used for collecting and recording sound wave signals in the whole process of mine drilling, converting digital sound wave data and outputting the digital sound wave data to the data warehouse;
the data bin is connected with the sound wave collector and used for storing the digital sound wave data collected by the sound wave collector and supplying power to the monitoring device;
the data interface is used for connecting the data bin and the upper computer and reading out the digital sound wave data stored in the data bin;
the safety cover is made of buffering sound-absorbing materials, wraps and seals the sound wave collector and the data bin.
9. The mine drilling comprehensive parameter monitoring method of claim 8, wherein the buffering sound-absorbing material is a foam material.
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