A downhole coal mining equipment loss detection method and device, electronic equipment and medium

Abstract

The application relates to the field of coal mining technology, in particular to an underground coal mining equipment loss detection method and device, electronic equipment and medium. The method comprises the following steps: acquiring running track information of a drum, wherein the drum running track represents height information of the drum and a lower drum cutting a coal mine; determining a pick wear value of the drum in a preset unit time based on the running track information of the drum; acquiring a current running duration of the drum; determining a current pick wear value of the drum according to the pick wear value of the drum in the preset unit time and the current running duration of the drum; judging whether the current pick wear value of the drum exceeds a pick wear threshold value of the drum, and if yes, generating a replacement instruction and controlling the coal mining machine to stop running. The application has the effect of reducing the occurrence of the situation that excessive pick wear leads to damage of the coal mining machine.

Description

Technical Field

[0001] This application relates to the field of coal mining technology, and in particular to a method, device, electronic equipment and medium for detecting the wear of underground coal mining equipment. Background Technology

[0002] With the increasing maturity of remote control and remote monitoring technologies, more and more coal mining companies are now choosing to install remote control and remote monitoring systems to manage underground equipment such as coal mining machines in real time.

[0003] Nowadays, coal mining machines are transported to the coal seam underground, where the cutting teeth of the machine's drum are used to cut the coal. The coal is then transported to the surface via a conveyor belt. During the process, the ground command center remotely controls the coal mining machine to extract the coal from the seam.

[0004] However, due to the limited distribution structure of underground coal seams, during the process of cutting and collecting coal in the coal seam, the cutting teeth of the coal mining machine's drum will come into contact with the top and bottom rock layers. If this is not detected in time, the prolonged contact between the cutting teeth of the drum and the rock layers will accelerate the wear rate of the cutting teeth of the coal mining machine's drum, and may even cause further damage to the coal mining machine. Summary of the Invention

[0005] In order to reduce the occurrence of damage to coal mining equipment due to excessive wear of cutting teeth, this application provides a method, device, electronic equipment and medium for detecting wear of underground coal mining equipment.

[0006] Firstly, this application provides a method for detecting the wear of underground coal mining equipment, employing the following technical solution:

[0007] A method for detecting the wear and tear of underground coal mining equipment, comprising:

[0008] The running trajectory information of the drum is obtained, and the running trajectory of the drum represents the height information of the upper and lower drums cutting the coal mine;

[0009] Based on the running trajectory information of the roller, the wear value of the roller's cutting teeth within a preset unit time is determined;

[0010] Get the current runtime of the roller;

[0011] The current wear value of the cutting teeth of the roller is determined based on the wear value of the cutting teeth of the roller within the preset unit time and the current running time of the roller.

[0012] Determine whether the current wear value of the cutting teeth of the roller exceeds the wear threshold of the cutting teeth of the roller.

[0013] If so, a replacement command is generated, and the coal mining machine is stopped.

[0014] By adopting the above technical solution, after obtaining the running trajectory information of the drum, the wear value of the drum's cutting teeth within the corresponding unit time is determined at the end of the preset unit time. At the same time, the current running time of the drum is obtained, and the current wear value of the drum's cutting teeth is determined based on the obtained wear value of the drum's cutting teeth within the unit time and the current running time of the drum. If the current wear value of the drum's cutting teeth is greater than the preset drum wear threshold, the electronic device determines that the current drum's cutting teeth are severely worn and generates a replacement command. Subsequently, the replacement command is uploaded to the display device of the coal mine ground command center for display, while controlling the coal mining machine to stop running; thereby preventing the coal mining machine from continuing to run and damaging the drum.

[0015] In one possible implementation, obtaining the running trajectory information of the roller includes:

[0016] Obtain first voltage information, which represents the pressure information generated when the cutting teeth of the drum come into contact with the coal mine;

[0017] Based on the first voltage information, determine whether the second voltage information has been obtained.

[0018] If so, then the coal-rock interface information is determined based on the first pressure information and the second pressure information.

[0019] The second voltage information represents the pressure information generated when the cutting teeth of the drum come into contact with the top and bottom rock layers;

[0020] The running trajectory information of the drum is obtained based on the coal-rock interface information.

[0021] By adopting the above technical solution, after obtaining the first voltage information through the voltage sensor, it begins to determine in real time whether the second voltage information is obtained. If the second voltage information is obtained through the voltage sensor, it is determined that the cutting teeth of the current drum are in contact with the rock layer. At this time, the current coal-rock interface information is determined based on the first and second voltage information. Subsequently, the current running trajectory information of the drum is determined based on the coal-rock interface information. This avoids the cutting teeth of the drum from cutting the delay layer for a long time, which would accelerate the wear rate of the cutting teeth of the drum.

[0022] In one possible implementation, determining the wear value of the roller's cutting teeth within a preset unit time based on the roller's running trajectory information includes:

[0023] Based on the running trajectory information of the roller, the current rotational speed information of the roller is obtained;

[0024] Obtain sampled coal mine information, wherein the sampled coal mine information characterizes the density information of the sampled coal mine before the coal mining machine officially starts mining;

[0025] The wear value of the cutting teeth of the drum is determined based on the current rotational speed information of the drum and the sampled coal mine information within a preset unit time.

[0026] By adopting the above technical solution, when the coal mining machine is mining coal in the coal seam, the electronic equipment obtains the running trajectory information of the roller and determines the current roller speed information; at the same time, the electronic equipment obtains the sampled coal mine information; and based on the sampled coal mine information and the roller assembly information, determines the wear value of the roller's cutting teeth per unit time.

[0027] In one possible implementation, determining the current wear value of the roller's cutting teeth based on the roller's tooth wear value within a preset unit time and the roller's current running time includes:

[0028] The current running time of the roller is calculated as a ratio to a preset unit time to determine the time multiple information;

[0029] The wear value of the cutting teeth of the roller is calculated by multiplying the wear value of the cutting teeth of the roller within a preset unit time by the time multiplier.

[0030] By adopting the above technical solution, after obtaining the current running time of the roller and the wear value of the roller's cutting teeth within a preset unit time, the ratio of the current running time of the roller to the preset unit time is calculated to determine the time multiplier information; then the current multiplier information is multiplied by the wear value of the roller's cutting teeth within the preset unit time to finally determine the current wear value of the roller's cutting teeth.

[0031] In one possible implementation, determining whether the current wear value of the cutting teeth of the roller exceeds the wear threshold of the cutting teeth of the roller further includes:

[0032] If not, the temperature information of the drum is obtained and fed back to the display device in the command center.

[0033] By adopting the above technical solution, when it is determined that the wear value of the cutting teeth of the current drum has not reached the requirement value for replacing the cutting teeth, the temperature information of the drum is obtained and sent to the display device of the coal mine ground command center. This allows the staff to monitor the temperature of the drum in real time during operation and prevent damage to the coal mining equipment due to excessive drum temperature.

[0034] In one possible implementation, if not, the current temperature information of the roller is obtained and fed back, and then the process further includes:

[0035] Determine if the temperature of the roller exceeds the preset temperature.

[0036] If the error exceeds the limit, a cutter damage command will be generated, and the coal mining machine will be stopped.

[0037] By adopting the above technical solution, the current temperature information of the drum is compared with the preset temperature information. If the current temperature information of the drum is greater than the preset temperature information, it is determined that the cutting tooth of the drum is broken. At the same time, a cutting tooth damage command is generated and sent to the underground coal mining machine wirelessly, thereby controlling the coal mining machine to stop running. This prevents the coal mining machine from running for a long time and being damaged due to the broken cutting tooth of the drum.

[0038] In one possible implementation, the step of determining the current wear value of the roller's cutting teeth based on the preset wear value of the roller's cutting teeth within a unit time and the current running time of the roller further includes:

[0039] Obtain the current displacement information of the coal mining machine;

[0040] Determine whether the current displacement information of the coal mining machine exceeds the preset displacement information.

[0041] If so, a replacement command is generated, and the coal mining machine is stopped.

[0042] By adopting the above technical solution, after obtaining the current displacement information of the coal mining machine, it is determined whether the current displacement information of the coal mining machine exceeds the preset displacement information. If so, it is determined that the current operation of the coal mining machine has reached the predetermined operation amount of the cutting teeth of the drum that need to be replaced, so as to generate a replacement command. At the same time as sending the replacement command to the display device of the coal mine ground command center, the coal mining machine is controlled to stop running.

[0043] Secondly, this application provides a wear detection device for underground coal mining equipment, which adopts the following technical solution:

[0044] A wear detection device for underground coal mining equipment includes a first acquisition module, a wear value determination module, a first determination module, and a first judgment module, wherein...

[0045] The first acquisition module is used to acquire the running trajectory information of the drum, wherein the running trajectory of the drum represents the height information of the upper and lower drums cutting the coal mine;

[0046] The wear value determination module is used to determine the wear value of the roller teeth within a preset unit time based on the running trajectory information of the roller.

[0047] The first determining module is used to obtain the current running time of the roller; and to determine the current wear value of the cutting teeth of the roller based on the wear value of the cutting teeth of the roller within the preset unit time and the current running time of the roller.

[0048] The first judgment module is used to determine whether the current wear value of the cutting teeth of the drum exceeds the wear threshold of the cutting teeth of the drum. If so, a replacement command is generated and the coal mining machine is controlled to stop running.

[0049] By adopting the above technical solution, after the first acquisition module obtains the running trajectory information of the drum, and at the end of the preset unit time in the electronic device, the wear value determination module determines the wear value of the drum's cutting teeth within the corresponding unit time. At the same time, the duration acquisition module obtains the current running time of the drum. The first determination module determines the current wear value of the drum's cutting teeth based on the wear value determination module's determination of the drum's cutting teeth within the unit time and the duration acquisition module's determination of the drum's current running time. Subsequently, the first judgment module makes a judgment. If the current wear value of the drum's cutting teeth is greater than the preset drum wear threshold, the first judgment module determines that the current drum's cutting teeth are severely worn and generates a replacement command. Subsequently, while the electronic device uploads the replacement command to the display device at the center of the coal mine for display, it controls the coal mining machine to stop running, thereby preventing the coal mining machine from continuing to run and damaging the drum.

[0050] In one possible implementation, the underground coal mining equipment loss detection device includes: a first voltage acquisition module, a second judgment module, and a first acquisition module, wherein...

[0051] The first voltage acquisition module is used to acquire first voltage information, which represents the pressure information generated when the cutting teeth of the drum come into contact with the coal mine.

[0052] The second judgment module is used to determine, based on the first voltage information, whether the second voltage information has been obtained.

[0053] If so, then the coal-rock interface information is determined based on the first pressure information and the second pressure information.

[0054] The second voltage information represents the pressure information generated when the cutting teeth of the drum come into contact with the top and bottom rock layers;

[0055] The first acquisition module is used to acquire the running trajectory information of the drum based on the coal-rock interface information.

[0056] In one possible implementation, the underground coal mining equipment wear detection device includes: a rotational speed acquisition module, a second acquisition module, and a wear value determination module, wherein...

[0057] The rotation speed acquisition module is used to acquire the current rotation speed information of the roller based on the running trajectory information of the roller;

[0058] The second acquisition module is used to acquire sampled coal mine information, which represents the density information of the sampled coal mine before the coal mining machine officially starts mining.

[0059] The wear value determination module is used to determine the wear value of the cutting teeth of the drum within a preset unit time based on the current rotational speed information of the drum and the sampled coal mine information.

[0060] In one possible implementation, the underground coal mining equipment wear detection device includes: a multiple information acquisition module and a first determination module, wherein...

[0061] The multiple information acquisition module is used to calculate the ratio of the current running time of the roller to a preset unit time to determine the time multiple information;

[0062] The first determining module is used to calculate the current wear value of the roller's cutting teeth by multiplying the wear value of the roller's cutting teeth within a preset unit time by the current time multiplier.

[0063] In one possible implementation, the underground coal mining equipment wear detection device includes: a first transmitting module, wherein,

[0064] The first transmitting module is used to obtain the current temperature information of the drum and feed it back to the display device of the command center if no.

[0065] In one possible implementation, the underground coal mining equipment wear detection device includes: a third judgment module, wherein,

[0066] The third judgment module is used to determine whether the current temperature exceeds the preset temperature information.

[0067] If the error exceeds the limit, a cutter damage command will be generated, and the coal mining machine will be stopped.

[0068] In one possible implementation, the underground coal mining equipment loss detection device includes: a displacement acquisition module and a fourth judgment module, wherein...

[0069] The displacement acquisition module is used to acquire the displacement information of the coal mining machine;

[0070] The fourth judgment module is used to determine whether the current displacement information of the coal mining machine exceeds the preset displacement information.

[0071] If so, a replacement command is generated, and the coal mining machine is stopped.

[0072] Thirdly, this application provides an electronic device that adopts the following technical solution:

[0073] An electronic device comprising:

[0074] At least one processor;

[0075] Memory;

[0076] At least one application, wherein the at least one application is stored in memory and configured to be executed by at least one processor, the at least one application being configured to: perform the above-described method for detecting the loss of underground coal mining equipment.

[0077] Fourthly, this application provides a computer-readable medium, which adopts the following technical solution:

[0078] A computer-readable medium includes: a computer program stored thereon that can be loaded by a processor and execute the above-described method for detecting the wear of underground coal mining equipment.

[0079] In summary, this application includes the following beneficial technical effects:

[0080] After acquiring the running trajectory information of the drum, and at the end of the preset unit time within the electronic device, the wear value of the drum's cutting teeth within the corresponding unit time is determined. Simultaneously, the current running time of the drum is acquired, and based on the acquired wear value of the drum's cutting teeth within the unit time and the current running time of the drum, the current wear value of the drum's cutting teeth is determined. If the current wear value of the drum's cutting teeth is greater than the preset drum wear threshold, it is determined that the current drum's cutting teeth are severely worn, and a replacement command is generated. Subsequently, while uploading the replacement command to the display device of the coal mine ground command center for display, the coal mining machine is controlled to stop running, thereby preventing the coal mining machine from continuing to run and damaging the drum. Attached Figure Description

[0081] Figure 1 This is a schematic flowchart of the method for detecting the wear of underground coal mining equipment according to an embodiment of this application;

[0082] Figure 2 This is a block diagram of the underground coal mining equipment loss detection device according to an embodiment of this application;

[0083] Figure 3 This is a schematic diagram of an electronic device according to an embodiment of this application. Detailed Implementation

[0084] The following is in conjunction with the appendix Figure 1-3 This application will be described in further detail.

[0085] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0086] To facilitate understanding of the technical solutions proposed in this application, several elements that will be introduced in the description of this application are first presented here. It should be understood that the following description is only for the purpose of understanding these elements and the content of the embodiments of this application, and does not necessarily cover all possible situations.

[0087] Coal mining machine: Used for cutting and collecting coal from underground coal seams; mainly composed of the main body of the coal mining machine, upper drum, and lower drum; the coal mining machine is controlled by the mine surface command and is used to carry and transport coal; the upper drum is used to excavate the part of the coal seam near the upper floor; the lower drum is used to excavate the part of the coal seam near the lower floor; the upper and lower drums are each equipped with multiple cutting teeth for coal excavation; the upper drum is installed at the front of the main body of the coal mining machine, and the main body of the coal mining machine controls the cutting teeth installed in the upper drum to collect the upper half of the coal seam; the lower drum is installed at the rear of the main body of the coal mining machine, and the main body of the coal mining machine controls the cutting teeth installed in the lower drum to collect the lower half of the coal seam.

[0088] This application provides a method for detecting the wear and tear of underground coal mining equipment, executed by an electronic device, wherein the electronic device is a server in the coal mine ground command center. The method includes steps S101, S102, S103, and S104, wherein...

[0089] S101. Obtain the running trajectory information of the drum. The running trajectory of the drum represents the height information of the upper and lower drums cutting the coal mine.

[0090] In this embodiment, the coal seam is located between the roof and floor rock layers. Workers transport the coal mining machine to the coal seam. The coal mining machine cuts the coal using the cutting teeth of its drum and transports it to the surface via a conveyor belt. Before the cutting teeth of the coal mining machine's drum cut the coal, it is necessary to determine the positions of the roof and floor rocks of the coal seam and the running trajectory of the coal mining machine's drum. This ensures that the cutting position of the cutting teeth is within the coal seam, further preventing the cutting teeth from reducing mining efficiency and coal quality due to prolonged cutting of the roof and floor rock layers, and increasing the wear rate of the cutting teeth. Therefore, the electronic equipment first acquires the running trajectory information of the drum, using this information as one of the conditions for determining whether the cutting teeth in the drum need to be replaced.

[0091] S102. Based on the running trajectory information of the roller, determine the wear value of the roller's cutting teeth within a preset unit time.

[0092] In this embodiment, the electronic device, while acquiring the running trajectory information of the drum, controls the coal mining machine to perform cutting and coal collection operations. During this process, the cutting teeth of the drum are constantly in contact with the coal, cutting it. As a result, the wear of the cutting teeth of the drum increases over time. If the cutting teeth of the drum deviate from the working face and begin cutting and collecting the top and bottom rock layers, it will reduce the quality of the coal and increase the wear rate of the cutting teeth of the drum, thereby increasing the frequency of replacing the cutting teeth. When replacing the cutting teeth of the drum, operators need to enter the mine to replace them on-site. Because the cutting teeth of the drum are cutting the top and bottom rock layers for a long time, the time that operators spend in the underground coal mining site increases, thereby increasing the probability that operators are in a dangerous environment.

[0093] Therefore, the electronic device has a preset time set inside, and uses this time as the unit time. When the electronic device obtains the running trajectory information of the roller, the preset unit time inside the electronic device will start timing. After the preset time ends, the electronic device determines the wear value of the roller's cutting teeth within the corresponding unit time, and uses this wear value as one of the conditions for determining whether to replace the cutting teeth.

[0094] Specifically, the electronic device determines that the current cutting tooth of the drum is located in the coal seam based on the acquired drum running trajectory information, and cuts the coal mine; the electronic device has preset friction information between the cutting tooth of the drum and the coal mine in the past; after acquiring the drum running trajectory information, the electronic device determines the wear value of the cutting tooth of the drum per unit time based on the preset friction information between the cutting tooth of the drum and the coal mine in the past.

[0095] S103. Obtain the current running time of the roller; determine the current wear value of the roller's cutting teeth based on the preset wear value of the roller's cutting teeth per unit time and the current running time.

[0096] In this embodiment of the application, the electronic device has a set duration information; when the coal mining machine is performing coal mining operations, after the set duration ends, the electronic device obtains the current drum running time; then, the electronic device determines the current drum cutter wear value based on the obtained drum cutter wear value per unit time and the current drum running time.

[0097] S104. Determine whether the current wear value of the cutting teeth of the drum exceeds the wear threshold of the cutting teeth of the drum. If so, generate a replacement command and control the coal mining machine to stop running.

[0098] In this embodiment, after the electronic device obtains the current wear value of the cutting teeth of the drum, it compares it with the preset wear threshold of the drum cutting teeth inside the electronic device. If the current wear value of the cutting teeth of the drum is greater than the preset wear threshold, the electronic device determines that the cutting teeth of the drum are severely worn and need to be replaced. It then generates a replacement command. Subsequently, while uploading the replacement command to the display device at the coal mine ground center for display, the electronic device controls the coal mining machine to stop running. After the staff at the coal mine ground command center obtains the information that the cutting teeth of the coal mining machine drum need to be replaced through the display device, they remotely notify the operators to replace the cutting teeth of the drum in a timely manner. This achieves the goal of timely reminding the staff at the coal mine ground command center when the cutting teeth of the drum need to be replaced, while preventing the coal mining machine from continuing to run and causing damage to the drum.

[0099] This application provides a method for detecting the wear and tear of underground coal mining equipment.

[0100] Once the electronic device acquires the running trajectory information of the drum, a preset timer begins. After the preset time expires, the electronic device determines the wear value of the drum's cutting teeth within that time unit. Simultaneously, the electronic device acquires the current running time of the drum and, based on the acquired wear value of the drum's cutting teeth within that time unit and the current running time, determines the current wear value of the drum's cutting teeth. Subsequently, the electronic device compares the current wear value of the drum's cutting teeth with a preset wear threshold. If the current wear value exceeds the preset wear threshold, the electronic device determines that the cutting teeth of the drum are severely worn and need to be replaced. It then generates a replacement command and uploads the replacement command to the display device at the coal mine's surface center for display, while simultaneously controlling the coal mining machine to stop operating. This achieves timely notification to the personnel at the coal mine's surface command center when the drum's cutting teeth need replacement, while preventing the coal mining machine from continuing to operate and causing damage to the drum.

[0101] In one possible implementation of this application embodiment, step S101 involves obtaining the running trajectory information of the roller, including step S011 (not shown in the figure), wherein...

[0102] S011. Obtain first voltage information, which represents the pressure information generated when the cutting teeth of the drum come into contact with the coal mine; based on the first voltage information, determine whether second voltage information is obtained. If so, determine the coal-rock interface information according to the first pressure information and the second pressure information, wherein the second voltage information represents the pressure information generated when the cutting teeth of the drum come into contact with the top and bottom rock layers; obtain the running trajectory information of the drum according to the coal-rock interface information.

[0103] In the embodiments of this application, the density of the coal seam is lower than that of the top and bottom rock layers. Therefore, the hardness of the coal seam is lower than that of the top and bottom rock layers. As a result, under the same operating power of the coal mining machine, the pressure generated by the contact between the cutting teeth of the coal mining machine drum and the coal seam is also lower than the pressure generated by the contact between the cutting teeth of the coal mining machine drum and the top and bottom rock layers.

[0104] The drum of the coal mining machine is equipped with a pressure acquisition device, which is used to obtain the pressure parameters when the cutting teeth of the drum come into contact with the coal and rock during the cutting of the coal. When the cutting teeth of the drum only cut the coal, the pressure acquisition device obtains the first voltage information; when the cutting teeth of the drum touch the top and bottom rock layers, the pressure acquisition device obtains the second voltage information.

[0105] After acquiring the first voltage information through the voltage sensor, the electronic device begins to determine in real time whether it has acquired the second voltage information. If the electronic device acquires the second voltage information, it determines that the cutting teeth of the current drum are in contact with the rock layer. Then, the electronic device determines the current coal-rock interface information based on the first and second voltage information. Subsequently, the electronic device determines the current running position of the drum, which is the critical value between the coal seam and the rock layer, based on the coal-rock interface information, and then determines the running trajectory information of the drum.

[0106] Furthermore, after determining that the cutting teeth of the current roller are in contact with the retardation layer, the electronic device controls the roller corresponding to the rock layer to move away from the rock layer; thereby avoiding the roller cutting teeth from cutting the retardation layer for a long time, which would accelerate the wear rate of the roller cutting teeth, increase the frequency of changing the cutting teeth of the rollers by operators and at the collection site, and improve the safety of operators.

[0107] In one possible implementation of this application embodiment, step S102 involves determining the wear value of the roller's cutting teeth within a preset unit time based on the roller's running trajectory information, including step S021 (not shown in the figure).

[0108] S021. Based on the running trajectory information of the drum, obtain the current rotational speed information of the drum; obtain the sampled coal mine information, which characterizes the density information of the sampled coal mine before the coal mining machine officially starts mining; determine the wear value of the drum's cutting teeth within a preset unit time according to the current rotational speed information of the drum and the sampled coal mine information.

[0109] In this embodiment of the application, before the coal mining machine formally mines the coal seam, the operator will take a sample of the coal from the coal seam and send the sampled coal to the laboratory for testing to determine the density of the coal in the coal seam. Subsequently, the operator will input the density information of the sampled coal, i.e., the sampled coal information, into the electronic device. The electronic device will determine the wear value of the cutting teeth of the roller within a preset unit time based on the sampled coal information.

[0110] Specifically, during the mining process of a coal seam, the electronic equipment acquires the running trajectory information of the rollers and determines the current roller speed information through the speed sensor installed on the rollers. At the same time, the electronic equipment acquires the sampled coal mine information entered by the information staff located at the mine ground command center. Based on the sampled coal mine information and the roller speed information, the electronic equipment determines the wear value of the roller's cutting teeth per unit time, thereby determining one of the conditions for judging whether the roller's cutting teeth need to be replaced.

[0111] One possible implementation of this application embodiment is that step S104 determines the current wear value of the roller's cutting teeth based on the roller's cutting tooth wear value within a preset unit time and the roller's current running time, including step S041 (not shown in the figure), wherein...

[0112] S041. Calculate the ratio of the current running time of the roller to the preset unit time to determine the time multiplier information; multiply the wear value of the roller's cutting teeth within the preset unit time by the time multiplier information to determine the current wear value of the roller's cutting teeth.

[0113] In this embodiment of the application, the electronic device uses the wear value of the roller's cutting teeth within a preset unit time as a data unit, and the current running time of the roller as a single calculation unit. After obtaining the current running time of the roller and the wear value of the roller's cutting teeth within the preset unit time, the electronic device first calculates the ratio of the current running time of the roller to the preset unit time in the electronic device to determine how many preset unit times the current running time of the roller includes, i.e., the time multiplication information; then, the electronic device multiplies the current multiplication information with the wear value of the roller's cutting teeth within the preset unit time to calculate the current wear value of the roller's cutting teeth. Afterwards, the electronic device uses the current wear value of the roller's cutting teeth as one of the conditions for determining whether the cutting teeth of the roller need to be replaced.

[0114] In one possible implementation of this application embodiment, step S105, determining whether the current wear value of the cutting teeth of the roller exceeds the wear threshold of the cutting teeth of the roller, further includes step S051 (not shown in the figure), wherein...

[0115] S051. If not, obtain the drum temperature information and send it back to the display device in the command center.

[0116] In this embodiment of the application, when the electronic device determines that the wear value of the current roller's cutting teeth has not exceeded the roller's cutting tooth wear threshold, it determines that the wear value of the current roller's cutting teeth has not reached the value requirement for replacing the roller's cutting teeth. At this time, the electronic device acquires the roller's temperature information and sends the temperature information to the display device in the coal mine's ground command center. The staff monitors the coal mining machine's roller in real time based on the temperature information displayed on the display device to prevent the coal mining machine from being damaged due to excessively high roller temperature without timely detection.

[0117] In one possible implementation of this application embodiment, in step S051 (not shown in the figure), if no, the roller temperature information is obtained and fed back to the command center, and then step S51a (not shown in the figure) is further included, wherein,

[0118] S51a. Determine if the current temperature exceeds the preset temperature information. If it does, generate a cutting tooth damage command and control the coal mining machine to stop running.

[0119] In the embodiments of this application, during the coal mining process, friction occurs between the cutting teeth of the drum and the coal, and the temperature of the drum gradually increases over time. If the cutting teeth of the drum break during the cutting process, the force-bearing area between the cutting teeth and the coal increases, which accelerates the rate at which the drum temperature rises. If the cutting teeth of the drum are not dealt with in time, it will cause secondary damage to the coal mining machine.

[0120] The electronic equipment obtains the current temperature information of the drum through a temperature acquisition device installed on the drum and compares it with the preset temperature information. If the current temperature information of the drum is greater than the preset temperature information, the electronic equipment determines that the cutting tooth of the drum has broken. Subsequently, the electronic equipment generates a cutting tooth damage command. Then, the electronic equipment wirelessly transmits the cutting tooth damage command to the underground coal mining machine, thereby controlling the coal mining machine to stop operating. In addition, the electronic equipment sends the generated cutting tooth damage command to the display device of the coal mine ground command center for display, thereby ensuring that the staff at the coal mine ground command center can be informed in the first instance. This prevents the staff from continuing to remotely operate the coal mining machine for coal mining without knowing it, and at the same time, prevents the coal mining machine from being damaged due to prolonged operation when the cutting tooth of the drum is broken.

[0121] In one possible implementation of this application embodiment, step S104 involves determining the current wear value of the roller's cutting teeth based on the preset wear value of the roller's cutting teeth within a unit time and the current running time of the roller. This is followed by step S04a (not shown in the figure), where...

[0122] S04a. Obtain the current displacement information of the coal mining machine; determine whether the current displacement information of the coal mining machine exceeds the preset displacement information. If so, generate a replacement command and control the coal mining machine to stop running.

[0123] In the embodiments of this application, the electronic device has preset coal mining machine displacement information. During the mining process, as the mining progresses, the coal mining machine will move forward over time. As the amount of coal collected by the coal mining machine increases, the displacement of the coal mining machine will also increase. As the amount of coal collected by the coal mining machine increases, the wear of the cutting teeth of the drum also increases. In other words, as the amount of coal collected by the coal mining machine increases, the wear of the cutting teeth of the drum also increases.

[0124] The coal mining machine is equipped with a displacement sensor. After acquiring the current displacement information of the coal mining machine through the sensor, the electronic equipment compares this information with preset displacement information. If the current displacement is greater than the preset displacement, the electronic system determines that the current workload has reached the point where the cutting teeth of the drum need to be replaced. This causes the electronic equipment to generate a replacement command and, based on the command, controls the coal mining machine to stop. Subsequently, operators replace the cutting teeth of the drum. Additionally, the electronic equipment sends the generated replacement command to the display device at the mine's ground command center, allowing staff to remotely obtain information that the cutting teeth of the drum need to be replaced.

[0125] The above embodiments describe a method for detecting the loss of underground coal mining equipment from the perspective of process flow. The following embodiments describe a device for detecting the loss of underground coal mining equipment from the perspective of virtual modules or virtual units. For details, please refer to the following embodiments.

[0126] The underground coal mining equipment wear detection device 100 may specifically include: a first acquisition module 1001, a wear value determination module 1002, a first determination module 1003, and a first judgment module 1004, wherein,

[0127] The first acquisition module 1001 is used to acquire the running trajectory information of the drum, which represents the height information of the upper and lower drums cutting the coal mine.

[0128] The wear value determination module 1002 is used to determine the wear value of the roller teeth within a preset unit time based on the roller's running trajectory information.

[0129] The first determining module 1003 is used to obtain the current running time of the roller; and to determine the current wear value of the cutting teeth of the roller based on the wear value of the cutting teeth of the roller within the preset unit time and the current running time of the roller.

[0130] The first judgment module 1004 is used to determine whether the current wear value of the cutting teeth of the drum exceeds the wear threshold of the cutting teeth of the drum. If so, a replacement command is generated and the coal mining machine is stopped.

[0131] In one possible implementation of this application embodiment, the underground coal mining equipment loss detection device 100 further includes: a first voltage acquisition module, a second judgment module, and a first acquisition module, wherein...

[0132] The first voltage acquisition module is used to acquire first voltage information, which represents the pressure information generated when the cutting teeth of the drum come into contact with the coal mine.

[0133] The second judgment module is used to determine, based on the first voltage information, whether the second voltage information has been obtained.

[0134] If so, then the coal-rock interface information is determined based on the first pressure information and the second pressure information.

[0135] Among them, the second voltage information represents the pressure information generated when the cutting teeth of the drum come into contact with the top and bottom rock layers;

[0136] The first acquisition module is used to acquire the running trajectory information of the drum based on the coal-rock interface information.

[0137] In one possible implementation of this application embodiment, the underground coal mining equipment wear detection device 100 further includes: a rotational speed acquisition module, a second acquisition module, and a wear value determination module, wherein...

[0138] The rotation speed acquisition module is used to acquire the current rotation speed information of the roller based on the roller's running trajectory information;

[0139] The second acquisition module is used to acquire sampled coal mine information, which represents the density information of the sampled coal mine before the coal mining machine officially starts mining.

[0140] The wear value determination module is used to determine the wear value of the roller teeth within a preset unit time based on the current roller rotation speed information and the sampled coal mine information.

[0141] In one possible implementation of this application embodiment, the underground coal mining equipment loss detection device 100 further includes: a multiple information acquisition module and a first determination module, wherein...

[0142] The multiple information acquisition module is used to calculate the ratio of the current running time of the roller to a preset unit time to determine the time multiple information;

[0143] The first determining module is used to calculate the current wear value of the roller's cutting teeth by multiplying the wear value of the roller's cutting teeth within a preset unit time by the current time multiplier.

[0144] In one possible implementation of this application embodiment, the underground coal mining equipment wear detection device 100 further includes: a first transmitting module, wherein...

[0145] The first transmitting module is used to obtain the current temperature information of the drum and feed it back to the display device of the command center if no.

[0146] In one possible implementation of this application embodiment, the underground coal mining equipment loss detection device 100 further includes: a third judgment module, wherein...

[0147] The third judgment module is used to determine whether the current temperature exceeds the preset temperature information.

[0148] If the error exceeds the limit, a cutter damage command will be generated, and the coal mining machine will be stopped.

[0149] In one possible implementation of this application embodiment, the underground coal mining equipment loss detection device 100 further includes: a displacement acquisition module and a fourth judgment module, wherein...

[0150] The displacement acquisition module is used to acquire the displacement information of the coal mining machine;

[0151] The fourth judgment module is used to determine whether the current displacement information of the coal mining machine exceeds the preset displacement information.

[0152] If so, a replacement command is generated, and the coal mining machine is stopped.

[0153] Those skilled in the art will understand that, for the sake of convenience and brevity, the specific working processes of the systems, devices, and units described above can be referred to the corresponding processes in the foregoing method embodiments, and will not be repeated here.

[0154] This application also describes an electronic device from the perspective of a physical device, such as... Figure 3 As shown, Figure 3 The illustrated electronic device 1100 includes a processor 1101 and a memory 1103. The processor 1101 and the memory 1103 are connected, for example, via a bus 1102. Optionally, the electronic device 1100 may also include a transceiver 1104. It should be noted that in practical applications, the transceiver 1104 is not limited to one unit, and the structure of this electronic device 1100 does not constitute a limitation on the embodiments of this application.

[0155] Processor 1101 may be a CPU (Central Processing Unit), a general-purpose processor, a DSP (Digital Signal Processor), an ASIC (Application Specific Integrated Circuit), an FPGA (Field Programmable Gate Array), or other programmable logic devices, transistor logic devices, hardware components, or any combination thereof. It can implement or execute the various exemplary logic blocks, modules, and circuits described in conjunction with the disclosure of this application. Processor 1101 may also be a combination that implements computational functions, such as including one or more microprocessor combinations, a combination of a DSP and a microprocessor, etc.

[0156] Bus 1102 may include a pathway for transmitting information between the aforementioned components. Bus 1102 may be a PCI (Peripheral Component Interconnect) bus or an EISA (Extended Industry Standard Architecture) bus, etc. Bus 1102 can be divided into address bus, data bus, control bus, etc. For ease of representation, Figure 3 The bus is represented by a single thick line, but this does not mean that there is only one bus or one type of bus.

[0157] The memory 1103 may be a ROM (Read Only Memory) or other type of static storage device capable of storing static information and instructions, RAM (Random Access Memory) or other type of dynamic storage device capable of storing information and instructions, or EEPROM (Electrically Erasable Programmable Read Only Memory), CD-ROM (Compact Disc Read Only Memory) or other optical disc storage, optical disc storage (including compressed optical discs, laser discs, optical discs, digital universal optical discs, Blu-ray discs, etc.), magnetic disk media or other magnetic storage devices, or any other medium capable of carrying or storing desired program code in the form of instructions or data structures and accessible by a computer, but not limited thereto.

[0158] The memory 1103 is used to store application code that executes the solution of this application, and its execution is controlled by the processor 1101. The processor 1101 is used to execute the application code stored in the memory 1103 to implement the content shown in the foregoing method embodiments.

[0159] It should be understood that although the steps in the flowcharts of the accompanying figures are shown sequentially as indicated by the arrows, these steps are not necessarily executed in the order indicated by the arrows. Unless explicitly stated herein, there is no strict order restriction on the execution of these steps, and they can be executed in other orders. Moreover, at least some steps in the flowcharts of the accompanying figures may include multiple sub-steps or multiple stages. These sub-steps or stages are not necessarily completed at the same time, but can be executed at different times, and their execution order is not necessarily sequential, but can be performed alternately or in turn with other steps or at least some of the sub-steps or stages of other steps.

[0160] The above are only some embodiments of this application. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this application, and these improvements and modifications should also be considered within the scope of protection of this application.

Claims

1. A method of detecting wear of an underground coal mining apparatus, characterized by, The method comprises the following steps: acquiring the running track information of the drum, wherein the running track information of the drum represents the height information of the coal seam cut by the upper drum and the lower drum; determining the wear value of the cutting tooth of the drum within a preset unit time based on the running track information of the drum; the step of determining the wear value of the cutting tooth of the drum within a preset unit time based on the running track information of the drum comprises the following steps: acquiring the rotating speed information of the current drum based on the running track information of the drum; acquiring the sample coal seam information, wherein the sample coal seam information represents the density information of the sample coal seam before the coal winning machine formally mines; determining the wear value of the cutting tooth of the drum within a preset unit time according to the rotating speed information of the current drum and the sample coal seam information; acquiring the current running duration of the drum; determining the wear value of the cutting tooth of the current drum according to the wear value of the cutting tooth of the drum within a preset unit time and the current running duration of the drum; the step of determining the wear value of the cutting tooth of the current drum according to the wear value of the cutting tooth of the drum within a preset unit time and the current running duration of the drum comprises the following steps: carrying out ratio calculation on the current running duration of the drum and a preset unit time to determine time multiple information; multiplying the wear value of the cutting tooth of the drum within a preset unit time and the time multiple information to determine the wear value of the cutting tooth of the current drum; judging whether the wear value of the cutting tooth of the current drum exceeds the wear threshold value of the cutting tooth of the drum, and if yes, generating a replacement instruction and controlling the coal winning machine to stop running.

2. The method of claim 1, wherein, the step of acquiring the running track information of the drum comprises the following steps: acquiring first voltage information, wherein the first voltage information represents the pressure information generated when the cutting tooth of the drum contacts the coal seam; judging whether second voltage information is acquired based on the first voltage information, if yes, determining the coal-rock interface information according to the first voltage information and the second voltage information, wherein the second voltage information represents the pressure information generated when the cutting tooth of the drum contacts the roof and floor rock stratum; acquiring the running track information of the drum according to the coal-rock interface information.

3. The method of claim 1, wherein, the step of judging whether the wear value of the cutting tooth of the current drum exceeds the wear threshold value of the cutting tooth of the drum further comprises the following steps: if no, acquiring the temperature information of the drum and feeding back to the display device of the command center.

4. The method of claim 3, wherein, the step of acquiring the temperature information of the current drum and feeding back if no further comprises the following steps: judging whether the temperature information of the drum exceeds the preset temperature information, if yes, generating a cutting tooth damage instruction and controlling the coal winning machine to stop running.

5. The method of claim 1, wherein, the step of determining the wear value of the cutting tooth of the current drum according to the wear value of the cutting tooth of the drum within a preset unit time and the current running duration of the drum further comprises the following steps: acquiring the current displacement information of the coal winning machine; judging whether the current displacement information of the coal winning machine exceeds the preset displacement information, if yes, generating a replacement instruction and controlling the coal winning machine to stop running.

6. A device for detecting wear of underground coal mining equipment, characterized by The method comprises the following steps: a first acquisition module is configured to acquire the running track information of the drum, wherein the running track information of the drum represents the height information of the coal seam cut by the upper drum and the lower drum; a wear value determination module is configured to determine the wear value of the cutting tooth of the drum within a preset unit time based on the running track information of the drum; a first determination module is configured to acquire the current running duration of the drum; determine the pick wear value of the current drum according to the pick wear value of the drum in the preset unit time and the current running duration of the drum; The first determination module is configured to: determine whether the pick wear value of the current drum exceeds a pick wear threshold of the drum, and if so, generate a replacement instruction and control the coal mining machine to stop running. When determining the pick wear value of the drum in the preset unit time based on the running track information of the drum, the wear value determination module is specifically configured to: obtain the rotation speed information of the current drum based on the running track information of the drum; obtain sample coal mine information, which represents the density information of a sample coal mine before formal mining of the coal mining machine; determine the pick wear value of the drum in the preset unit time according to the rotation speed information of the current drum and the sample coal mine information; When determining the pick wear value of the current drum according to the pick wear value of the drum in the preset unit time and the current running duration of the drum, the first determination module is specifically configured to: perform ratio calculation on the current running duration of the drum and the preset unit time to determine time multiple information; multiply the pick wear value of the drum in the preset unit time and the time multiple information to determine the pick wear value of the current drum.

7. An electronic device, comprising: The electronic device includes: at least one processor; a memory; at least one application program, wherein the at least one application program is stored in the memory and is configured to be executed by the at least one processor, and the at least one application program is configured to perform the underground coal mining equipment wear detection method in any one of claims 1-5.

8. A computer readable medium having stored thereon a computer program, characterized in that, When the computer program is executed in the computer, the computer is caused to perform the underground coal mining equipment wear detection method in any one of claims 1-5.

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