CN115014747A - Method and device for detecting loss of underground coal mining equipment, electronic equipment and medium - Google Patents
Method and device for detecting loss of underground coal mining equipment, electronic equipment and medium Download PDFInfo
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- CN115014747A CN115014747A CN202210887530.7A CN202210887530A CN115014747A CN 115014747 A CN115014747 A CN 115014747A CN 202210887530 A CN202210887530 A CN 202210887530A CN 115014747 A CN115014747 A CN 115014747A
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Abstract
The application relates to the field of coal mining technology, in particular to a method and a device for detecting loss of underground coal mining equipment, electronic equipment and a medium. The method comprises the following steps: acquiring running track information of a roller, wherein the running track of the roller represents height information of an upper roller and a lower roller for cutting a coal mine; determining a cutting tooth abrasion value of the roller in a preset unit time based on the running track information of the roller; acquiring the current running time of the roller; determining the current cutting tooth abrasion value of the roller according to the cutting tooth abrasion value of the roller in the preset unit time and the current running time length of the roller; and judging whether the cutting tooth abrasion value of the current roller exceeds the cutting tooth abrasion threshold value of the roller or not, if so, generating a replacement instruction, and controlling the coal mining machine to stop running. The cutting tooth abrasion-resistant device has the effect of reducing the occurrence of the condition that the cutting tooth is excessively abraded to cause damage to coal mining machine equipment.
Description
Technical Field
The application relates to the field of coal mining technology, in particular to a method and a device for detecting loss of underground coal mining equipment, electronic equipment and a medium.
Background
With the increasing maturity of remote control and remote monitoring technologies, nowadays, more coal mining enterprises choose to install remote control systems and remote monitoring systems to manage underground operation equipment such as coal mining machines in real time.
Nowadays, people transport the coal-winning machine to coal seam department in the pit, utilize the pick of coal-winning machine cylinder to cut the colliery to transport the colliery to ground through the conveyer belt, in-process, the colliery in the coal seam is mined by ground command center remote control coal-winning machine.
However, limited and underground coal seam subsection structure, the coal mining machine can lead to the pick of the drum of the coal mining machine to contact with the rock layer of the top plate and the bottom plate in the process of cutting and collecting the coal mine in the coal seam, if the situation is not found in time, the pick of the drum contacts with the rock layer for a long time, the wear speed of the pick of the drum of the coal mining machine is accelerated, and even the situation that the coal mining machine is further damaged is caused.
Disclosure of Invention
In order to reduce the occurrence of damage to coal mining equipment caused by excessive wear of cutting teeth, the application provides a method and a device for detecting loss of underground coal mining equipment, electronic equipment and a medium.
In a first aspect, the application provides a method for detecting loss of underground coal mining equipment, which adopts the following technical scheme:
a loss detection method for underground coal mining equipment comprises the following steps:
acquiring running track information of a roller, wherein the running track of the roller represents height information of an upper roller and a lower roller for cutting a coal mine;
determining a cutting tooth abrasion value of the roller in a preset unit time based on the running track information of the roller;
acquiring the current running time of the roller;
determining the current cutting tooth abrasion value of the roller according to the cutting tooth abrasion value of the roller in the preset unit time and the current running time length of the roller;
judging whether the cutting tooth wear value of the current roller exceeds a cutting tooth wear threshold value of the roller or not,
and if so, generating a replacement instruction and controlling the coal mining machine to stop running.
By adopting the technical scheme, after the running track information of the roller is obtained, and when the preset unit time is timed to be finished, the cutting tooth abrasion value of the roller in the corresponding unit time is determined; meanwhile, the operation time length of the current roller is obtained, the cutting tooth abrasion value of the current roller is determined according to the obtained cutting tooth abrasion value of the roller in unit time and the current operation time length of the roller, if the cutting tooth abrasion value of the current roller is larger than a preset roller abrasion threshold value, the electronic equipment judges that the cutting tooth of the current roller is seriously abraded, a replacement instruction is generated, and then the replacement instruction is uploaded to a display device of a coal mine ground command center to be displayed, and the coal mining machine is controlled to stop operating; thereby preventing the shearer from continuing to run and damaging the roller.
In a possible implementation manner, the acquiring the running track information of the drum includes:
acquiring first voltage information, wherein the first voltage information represents pressure information generated when cutting teeth of a roller are in contact with a coal mine;
determining whether second voltage information is acquired based on the first voltage information,
if so, determining coal rock interface information according to the first pressure information and the second pressure information,
the second voltage information represents pressure information generated when the cutting teeth of the roller are in contact with the top and bottom rock layers;
and acquiring the running track information of the roller according to the coal rock interface information.
By adopting the technical scheme, after the first voltage information is acquired through the voltage sensor, whether the second voltage information is acquired or not is judged in real time, and if the second voltage information is acquired through the voltage sensor, the current contact between the cutting teeth of the roller and the rock layer is judged; at the moment, current coal and rock stratum interface information is determined according to the first voltage information and the second voltage information; then, determining the current running track information of the roller according to the coal rock interface information; and further, the cutting teeth of the roller can be prevented from cutting the delay layer for a long time, so that the abrasion speed of the cutting teeth of the roller can be increased.
In one possible implementation manner, the determining a cutting pick wear value of the drum in a preset unit time based on the running track information of the drum includes:
acquiring the current rotating speed information of the roller based on the running track information of the roller;
acquiring sampled coal mine information, wherein the sampled coal mine information represents density information of a sample coal mine before formal mining of a coal mining machine;
and determining the cutting tooth abrasion value of the roller in a preset unit time according to the current rotating speed information of the roller and the sampled coal mine information.
By adopting the technical scheme, when the coal mining machine mines a coal mine of a coal seam and the electronic equipment acquires the running track information of the roller, the current roller rotating speed information is determined; meanwhile, the electronic equipment acquires the sampled coal mine information; and determining the cutting tooth abrasion value of the roller in unit time according to the sampled coal mine information and the roller binding information.
In a possible implementation manner, the determining a cutting tooth wear value of the current drum according to a cutting tooth wear value of the drum in a preset unit time and a current operation time length of the drum includes:
calculating the ratio of the current operation time of the roller to a preset unit time, and determining time multiple information;
and multiplying the cutting tooth wear value of the roller in the preset unit time by the time multiple information to determine the current cutting tooth wear value of the roller.
By adopting the technical scheme, after the current operation time length of the roller and the pick abrasion value of the roller in the preset unit time are obtained, the ratio of the current operation time length of the roller to the preset unit time is calculated, and time multiple information is determined; and then multiplying the current multiple information by the cutting tooth wear value of the roller in preset unit time, and finally determining the cutting tooth wear value of the current roller.
In one possible implementation manner, the determining whether the cutting pick wear value of the current roller exceeds the cutting pick wear threshold of the roller further includes:
if not, the temperature information of the roller is obtained and fed back to a display device of the command center.
Through adopting above-mentioned technical scheme, when judging that the pick wearing and tearing value of current cylinder does not reach the required value of changing the pick, acquire the temperature information of cylinder to in sending temperature information to colliery ground command center's display device, make the staff carry out real-time supervision to the temperature when the cylinder operation, prevent to lead to coal-winning machine equipment to damage because of the cylinder high temperature.
In a possible implementation manner, if not, obtaining and feeding back the temperature information of the current roller, and then further including:
judging whether the temperature information of the roller exceeds the preset temperature information,
and if the cutting tooth damage instruction exceeds the preset value, generating a cutting tooth damage instruction, and controlling the coal mining machine to stop running.
Through adopting above-mentioned technical scheme, will acquire the temperature information of current cylinder and predetermine temperature information and contrast, if the temperature information of current cylinder is greater than predetermineeing temperature information, then judge that the pick of current cylinder appears the rupture, simultaneously, generate the pick and damage the instruction to with this pick damage instruction send the coal-winning machine in the underground with wireless transmission's mode, and then control coal-winning machine shut down, and then prevent that the coal-winning machine from running for a long time and the condition of damage takes place under the pick of cylinder damages the condition.
In a possible implementation manner, the determining a cutting pick wear value of the current drum according to the cutting pick wear value of the drum in the preset unit time and the current operation time of the drum further includes:
acquiring displacement information of a current coal mining machine;
judging whether the current displacement information of the coal mining machine exceeds the preset displacement information or not,
and if so, generating a replacement instruction and controlling the coal mining machine to stop running.
By adopting the technical scheme, after the displacement information of the current coal mining machine is obtained, whether the displacement information of the current coal mining machine exceeds the preset displacement information or not is judged, if yes, the work load of the current coal mining machine is judged to reach the work load of the cutting teeth of the roller needing to be replaced, so that a replacement instruction is generated, and the coal mining machine is controlled to stop running while the replacement instruction is sent to the display device of the coal mine ground command center.
In a second aspect, the present application provides a device for detecting loss of underground coal mining equipment, which adopts the following technical scheme:
a loss detection device of underground coal mining equipment comprises a first acquisition module, a wear value determination module, a first determination module and a first judgment module, wherein,
the first acquisition module is used for acquiring running track information of the roller, wherein the running track of the roller represents height information of an upper roller and a lower roller for cutting a coal mine;
the abrasion value determining module is used for determining a cutting tooth abrasion value of the roller in preset unit time based on the running track information of the roller;
the first determining module is used for acquiring the current running time of the roller; determining the current cutting tooth abrasion value of the roller according to the cutting tooth abrasion value of the roller in the preset unit time and the current running time length of the roller;
and the first judgment module is used for judging whether the cutting tooth abrasion value of the current roller exceeds the cutting tooth abrasion threshold value of the roller or not, if so, a replacement instruction is generated, and the coal mining machine is controlled to stop running.
By adopting the technical scheme, after the first acquisition module acquires the running track information of the roller and when the unit time preset in the electronic equipment is timed out, the wear value determination module determines the pick wear value of the roller in the corresponding unit time; meanwhile, the operation time length of the current roller is obtained through a time length obtaining module, and a first determining module determines the cutting tooth abrasion value of the current roller according to the cutting tooth abrasion value of the roller in unit time determined by an abrasion value determining module and the current operation time length of the roller obtained by the time length obtaining module; then, judging by a first judging module, and if the cutting tooth wear value of the current roller is larger than a preset roller wear threshold value, judging that the cutting tooth wear of the current roller is serious by the first judging module and generating a replacing instruction; then, the electronic equipment uploads the replacement instruction to a display device of the coal mine ground center for displaying, and simultaneously controls the coal mining machine to stop running; thereby preventing the shearer from continuing to run and damaging the roller.
In one possible implementation, the loss detection device for the underground coal mining equipment comprises: a first voltage obtaining module, a second judging module and a first obtaining module, wherein,
the device comprises a first voltage acquisition module, a second voltage acquisition module and a control module, wherein the first voltage acquisition module is used for acquiring first voltage information which represents pressure information generated when cutting teeth of the roller are in contact with a coal mine;
a second judgment module for judging whether second voltage information is acquired based on the first voltage information,
if so, determining coal rock interface information according to the first pressure information and the second pressure information,
the second voltage information represents pressure information generated when cutting teeth of the roller are in contact with the rock layers of the top plate and the bottom plate;
and the first acquisition module is used for acquiring the running track information of the roller according to the coal rock interface information.
In one possible implementation, the loss detection device for the underground coal mining equipment comprises: a rotation speed acquisition module, a second acquisition module and a wear value determination module, wherein,
the rotating speed obtaining module is used for obtaining the rotating speed information of the current roller based on the running track information of the roller;
the second acquisition module is used for acquiring sampled coal mine information, and the sampled coal mine information represents density information of a sample coal mine before formal mining of the coal mining machine;
and the wear value determining module is used for determining the pick wear value of the roller in a preset unit time according to the current rotating speed information of the roller and the sampled coal mine information.
In one possible implementation, the loss detection device for the underground coal mining equipment comprises: a multiple information obtaining module and a first determining module, wherein,
the multiple information acquisition module is used for calculating the ratio of the current running time of the roller to a preset unit time to determine time multiple information;
the first determining module is used for multiplying the cutting tooth abrasion value of the roller in the preset unit time and the current time length multiple value to determine the cutting tooth abrasion value of the current roller.
In one possible implementation, the loss detection device for the underground coal mining equipment comprises: a first transmission module, wherein,
and the first transmitting module is used for acquiring the temperature information of the current roller and feeding back the temperature information to a display device of the command center if the temperature information is not acquired.
In one possible implementation, the loss detection device for the underground coal mining equipment comprises: a third determining module, wherein,
a third judging module for judging whether the current temperature is beyond the preset temperature information,
and if the cutting tooth damage instruction exceeds the preset value, generating a cutting tooth damage instruction, and controlling the coal mining machine to stop running.
In one possible implementation, the loss detection device for the underground coal mining equipment comprises: a displacement obtaining module, a fourth judging module, wherein,
the displacement acquisition module is used for acquiring the displacement information of the coal mining machine;
a fourth judging module for judging whether the current coal mining machine displacement information exceeds the preset displacement information,
and if so, generating a replacement instruction and controlling the coal mining machine to stop running.
In a third aspect, the present application provides an electronic device, which adopts the following technical solutions:
an electronic device, comprising:
at least one processor;
a memory;
at least one application, wherein the at least one application is stored in the memory and configured to be executed by the at least one processor, the at least one application configured to: and executing the method for detecting the loss of the underground coal mining equipment.
In a fourth aspect, the present application provides a computer-readable medium, which adopts the following technical solutions:
a computer-readable medium, comprising: a computer program is stored which can be loaded by a processor and which implements the method of detecting loss in a downhole coal mining device as described above.
To sum up, the application comprises the following beneficial technical effects:
after the running track information of the roller is obtained, and when the unit time preset in the electronic equipment is timed to be finished, determining a cutting tooth abrasion value of the roller in the corresponding unit time; meanwhile, the operation time length of the current roller is obtained, the cutting tooth abrasion value of the current roller is determined according to the obtained cutting tooth abrasion value of the roller in unit time and the current operation time length of the roller, if the cutting tooth abrasion value of the current roller is larger than a preset roller abrasion threshold value, the cutting tooth abrasion of the current roller is judged to be serious, a replacement instruction is generated, and then the replacement instruction is uploaded to a display device of a coal mine ground command center to be displayed, and meanwhile, the coal mining machine is controlled to stop operating; thereby preventing the shearer from continuing to run and damaging the roller.
Drawings
FIG. 1 is a schematic flow chart of a method for detecting loss of a down-hole coal mining device according to an embodiment of the present application;
FIG. 2 is a block diagram of a loss detection device of a downhole coal mining device according to an embodiment of the present application;
fig. 3 is a schematic diagram of an electronic device according to an embodiment of the present application.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
To facilitate understanding of the technical solutions proposed in the present application, several elements that will be introduced in the description of the present application are first introduced here. It should be understood that the following description is only for convenience in understanding the content of the embodiments of the present application, and does not necessarily cover all possible cases.
A coal mining machine: the cutting and collecting device is used for cutting and collecting coal mines of underground coal seams; mainly comprises a coal mining machine main body, an upper roller and a lower roller; the coal mining machine is controlled in a mine ground command and is used for bearing and transporting coal mines; the upper roller is used for excavating a coal mine close to the upper bottom plate part in the coal seam; the lower roller is used for excavating a coal mine with a coal seam close to the part of the lower bottom plate; wherein, the upper roller and the lower roller are respectively provided with a plurality of cutting picks for excavating a coal mine; the upper roller is arranged at the front part of the coal mining machine main body, and the coal mining machine main body controls cutting teeth arranged in the upper roller to collect the upper half coal mine of the coal bed; the lower roller is arranged at the rear part of the main body of the coal mining machine, and the main machine of the coal mining machine controls cutting picks arranged in the lower roller to be used for collecting the lower half-layer coal mine of the coal bed.
The embodiment of the application provides a loss detection method for underground coal mining equipment, which is executed by electronic equipment, wherein the electronic equipment is a server of a coal mine site command center. The method comprises the following steps: step S101, step S102, step S103, and step S104, wherein,
s101, obtaining running track information of the rollers, wherein the running tracks of the rollers represent height information of the upper rollers and the lower rollers for cutting coal mines.
For the embodiment of the application, the coal seam is positioned between the top and bottom rock layers; the operator conveys the coal mining machine to the coal seam; the coal mining machine cuts the coal mine through cutting teeth of the roller, and conveys the coal mine to the ground by means of a coal conveying conveyor belt; before cutting a coal mine by cutting teeth of the coal mining machine roller, the positions of the top plate rock and the bottom plate rock of the coal seam and the running track of the coal mining machine roller need to be determined so as to ensure that the cutting teeth of the coal mining machine roller are positioned in the coal seam, further prevent the cutting teeth of the coal mining machine roller from cutting the top plate rock and the bottom plate rock for a long time, reduce the coal mining efficiency and the coal mine quality and increase the abrasion speed of the cutting teeth; therefore, the electronic equipment firstly acquires the running track information of the roller, and the running track information of the roller is taken as one of the conditions for judging whether the cutting picks in the roller are replaced.
S102, determining a cutting tooth abrasion value of the roller in a preset unit time based on the running track information of the roller.
For the embodiment of the application, the electronic equipment controls the coal mining machine to cut and collect coal mine operation while acquiring the running track information of the roller; in the process, the cutting teeth of the roller can be constantly contacted with a coal mine to cut the coal mine, so that the abrasion degree of the cutting teeth of the roller is increased along with the time lapse; if the cutting teeth of the roller deviate from the working surface, cutting and collecting operation is carried out on the top and bottom plate rock layers, so that the quality of a coal mine is reduced, the abrasion speed of the cutting teeth of the roller is increased, and the cutting tooth frequency of replacing the roller is increased; when the cutting teeth of the roller are replaced, an operator needs to enter the underground to replace the cutting teeth on site; the cutting teeth of the roller cut rock layers of the top plate and the bottom plate for a long time, so that the time for operators to enter an underground coal mining field is increased; and further the probability of the operators in dangerous environment is increased.
Therefore, a preset time length is set in the electronic equipment, and the time length is used as unit time length; after the electronic equipment acquires the running track information of the roller, the unit time length preset in the electronic equipment starts timing, and after the preset time is finished, the electronic equipment determines the cutting tooth wear value of the roller in the corresponding unit time, and the cutting tooth wear value is used as one of conditions for judging whether to replace a cutting tooth.
Specifically, the electronic equipment determines that a cutting tooth of the current roller is located at a coal seam according to the acquired running track information of the roller, and cuts the coal mine; the electronic equipment presets friction information between picks of the historical roller and the coal mine; after the electronic equipment acquires the running track information of the roller, the cutting tooth abrasion value of the roller in unit time is determined according to the friction information between the cutting teeth of the preset historical roller and the coal mine.
S103, acquiring the current running time of the roller; and determining the current cutting tooth abrasion value of the roller according to the cutting tooth abrasion value of the roller in the preset unit time and the current running time.
For the embodiment of the application, the electronic equipment is internally provided with set duration information; the method comprises the steps that when a coal mining machine carries out coal mining operation and a set time length is finished, electronic equipment obtains the current running time length of a roller; and then, the electronic equipment determines the cutting tooth wear value of the current roller according to the obtained cutting tooth wear value of the roller in unit time and the current running time of the roller.
And S104, judging whether the cutting tooth abrasion value of the current roller exceeds the cutting tooth abrasion threshold value of the roller or not, if so, generating a replacement instruction, and controlling the coal mining machine to stop running.
For the embodiment of the application, after acquiring the cutting tooth wear value of the current roller, the electronic equipment compares the cutting tooth wear value with a cutting tooth wear threshold value of the roller preset in the electronic equipment, if the cutting tooth wear value of the current roller is larger than the preset roller wear threshold value, the electronic equipment judges that the cutting tooth of the current roller is seriously worn and needs to be replaced, a replacement instruction is generated immediately, and then the electronic equipment controls the coal mining machine to stop running while uploading the replacement instruction to a display device at the center of the ground of a coal mine for displaying; after the operator in the coal mine ground command obtains the information that the cutting teeth of the roller of the coal mining machine need to be replaced through the display device, the operator is remotely informed to replace the cutting teeth along with the roller in time; therefore, when the cutting teeth of the roller need to be replaced, workers in coal mine ground command are reminded in time, and the roller is prevented from being damaged due to continuous operation of the coal mining machine.
The embodiment of the application provides a loss detection method for underground coal mining equipment,
after the electronic equipment acquires the running track information of the roller, timing is started in unit time length preset in the electronic equipment; after the preset time is over, the electronic equipment determines a cutting tooth abrasion value of the roller in the corresponding unit time; meanwhile, the electronic equipment acquires the current operation time length of the roller, and determines the cutting tooth wear value of the current roller according to the acquired cutting tooth wear value of the roller in unit time and the current operation time length of the roller; then, the electronic equipment compares the cutting tooth wear value of the current roller with a cutting tooth wear threshold value of the roller preset inside, if the cutting tooth wear value of the current roller is larger than the preset roller wear threshold value, the electronic equipment judges that the cutting tooth of the current roller is seriously worn and needs to be replaced, a replacement instruction is generated immediately, and then the electronic equipment uploads the replacement instruction to a display device at the center of the coal mine ground for display and controls the coal mining machine to stop running; therefore, when the cutting teeth of the roller need to be replaced, workers in coal mine ground command are reminded in time, and the roller is prevented from being damaged due to continuous operation of the coal mining machine.
In a possible implementation manner of the embodiment of the present application, in step S101, acquiring the running track information of the roller includes step S011 (not shown in the figure), wherein,
s011, acquiring first voltage information, wherein the first voltage information represents pressure information generated when a cutting tooth of a roller is in contact with a coal mine; judging whether second voltage information is acquired or not based on the first voltage information, and if so, determining coal-rock interface information according to the first pressure information and the second pressure information, wherein the second voltage information represents pressure information generated when cutting teeth of the roller are in contact with the top and bottom plate rock layers; and acquiring the running track information of the roller according to the coal rock interface information.
For the embodiment of the application, the density of the coal bed is lower than the density of the top and bottom rock layers, so that the hardness of the coal bed is lower than that of the top and bottom rock layers, and the pressure generated by the contact between the cutting teeth of the roller of the coal mining machine and the coal bed is also lower than that generated by the contact between the cutting teeth of the roller of the coal mining machine and the top and bottom rock layers on the premise of the same running power of the coal mining machine.
The drum of the coal mining machine is provided with a pressure acquisition device, the pressure acquisition device is used for acquiring pressure parameters when cutting teeth of the drum are in contact with coal rocks when the cutting teeth of the drum are used for cutting coal mines, and the pressure acquisition device is used for acquiring first voltage information when the cutting teeth of the drum are only used for cutting coal mines; when the cutting teeth of the roller touch the rock layers of the top plate and the bottom plate, the pressure acquisition device acquires second voltage information.
After the electronic equipment acquires the first voltage information through the voltage sensor, whether second voltage information is acquired or not is judged in real time, and after the electronic equipment acquires the second voltage information, the electronic information judges that the cutting teeth of the drum are in contact with the rock layer at present; the electronic equipment determines current coal and rock stratum interface information according to the first voltage information and the second voltage information; and then, the electronic equipment determines that the current running position of the roller is the critical value between the coal bed and the rock layer according to the coal-rock interface information, and the electronic equipment determines the running track information of the roller immediately.
Further, after the current cutting tooth of the roller is judged to be in contact with the delay layer, the electronic equipment controls the roller corresponding to the rock layer to move in the direction far away from the rock layer; and then avoid the pick of cylinder to cut delay layer for a long time, lead to accelerating the wearing and tearing speed of the pick of cylinder, increase the frequency of the pick of operation personnel and collection scene change gyro wheel, improved operation personnel's security.
In a possible implementation manner of the embodiment of the present application, in step S102, determining a cutting tooth wear value of the drum in a preset unit time based on the running track information of the drum includes step S021 (not shown in the figure), wherein,
s021, acquiring the rotating speed information of the current roller based on the running track information of the roller; acquiring sampled coal mine information, wherein the sampled coal mine information represents density information of a sample coal mine before formal mining of a coal mining machine; and determining the cutting tooth abrasion value of the roller in the preset unit time according to the current rotating speed information of the roller and the sampled coal mine information.
For the embodiment of the application, before the coal mining machine carries out formal mining on the coal mine in the coal seam, an operator samples the coal mine in the coal seam and sends the sampled coal mine to a laboratory for testing to determine the density of the coal mine in the coal seam; subsequently, the staff inputs the density information of the sampled coal mine, namely the sampled coal mine information into the electronic equipment, and the electronic equipment determines the cutting tooth abrasion value of the roller in the preset unit time based on the sampled coal mine information.
Specifically, in the process of mining a coal mine of a coal seam by the coal mining machine, after the electronic equipment acquires the running track information of the roller, the current roller rotating speed information is determined by a rotating speed sensor arranged on the roller; meanwhile, the electronic equipment acquires the sampled coal mine information input by information staff in the ground command of the mine field; the electronic equipment determines the pick abrasion value of the roller in unit time according to the sampled coal mine information and the rotating speed information of the roller, so that one of conditions for judging whether the pick of the roller needs to be replaced is determined.
In a possible implementation manner of the embodiment of the present application, the step S104 of determining the cutting tooth wear value of the current roller according to the cutting tooth wear value of the roller in the preset unit time and the current operation time length of the roller includes a step S041 (not shown in the figure), wherein,
s041, calculating the ratio of the current running time of the roller to a preset unit time, and determining time multiple information; and multiplying the cutting tooth wear value of the roller in the preset unit time by the time multiple information to determine the current cutting tooth wear value of the roller.
For the embodiment of the application, the electronic equipment takes the cutting tooth abrasion value of the roller in the preset unit time as a data unit, and takes the current running time of the roller as a single calculation unit. The method comprises the steps that after electronic equipment obtains the current time length of a roller and a cutting tooth abrasion value of the roller in a preset unit time; the electronic equipment firstly calculates the ratio of the current operation time of the roller to the preset unit time in the electronic equipment, and determines how many preset unit times the current operation time of the roller comprises, namely time multiple information; and then, the electronic equipment multiplies the current multiple information by a cutting tooth wear value of the roller in preset unit time to finally determine the cutting tooth wear value of the current roller, and then the electronic equipment takes the cutting tooth wear value of the current roller as one of conditions for judging whether the cutting tooth of the roller needs to be replaced.
In a possible implementation manner of the embodiment of the present application, in step S105, it is determined whether the cutting tooth wear value of the current drum exceeds the cutting tooth wear threshold of the drum, and the method further includes step S051 (not shown in the figure), wherein,
and S051, if not, acquiring the temperature information of the roller and feeding the temperature information back to the display device of the command center.
For the embodiment of the application, when the electronic equipment judges that the cutting tooth wear value of the current roller does not exceed the cutting tooth wear threshold value of the roller, the electronic equipment judges that the cutting tooth wear value of the current roller does not reach the numerical requirement of the cutting tooth of the roller needing to be replaced; at the moment, the electronic equipment acquires the temperature information of the roller and sends the temperature information to a display device of a coal mine ground command center, and a worker monitors the roller of the coal mining machine in real time according to the temperature information displayed by the display device, so that the coal mining machine is prevented from being damaged due to overhigh temperature of the roller and timely discovery.
In a possible implementation manner of the embodiment of the present application, in step S051 (not shown in the figure), if not, the drum temperature information is obtained and fed back to the command center, and then, step S51a (not shown in the figure) is further included, wherein,
s51a, judging whether the current temperature exceeds the preset temperature information, if so, generating a cutting tooth damage instruction, and controlling the coal mining machine to stop running.
For the embodiment of the application, in the coal mining machine coal mine collection process, friction is generated between cutting teeth of the roller and a coal mine, and the temperature of the roller gradually rises along with the time; if the cutting teeth of the roller are broken in the cutting process, the stress area between the cutting teeth of the roller and the coal mine is increased, the temperature rising speed of the roller is accelerated, and if the cutting teeth of the roller are not processed in time, the coal mining machine is damaged secondarily.
The electronic equipment compares the temperature information of the current roller obtained by the temperature acquisition device arranged on the roller with preset temperature information, if the temperature information of the current roller is greater than the preset temperature information, the electronic equipment judges that a cutting tooth of the current roller is broken, and then the electronic equipment generates a cutting tooth damage instruction; then, the electronic equipment sends the cutting tooth damage instruction to an underground coal mining machine in a wireless transmission mode, and further controls the coal mining machine to stop running; in addition, the electronic equipment sends the generated cutting tooth damage instruction to a display device of the coal mine ground command center for displaying, so that workers in the coal mine ground command center can know the cutting tooth damage instruction in the first time; the coal mining machine is prevented from being continuously remotely controlled by workers under the condition of being unknown to mine coal, and meanwhile, the situation that the coal mining machine runs for a long time under the condition that cutting teeth of the roller are damaged and is damaged is prevented from occurring.
In a possible implementation manner of the embodiment of the present application, in step S104, a cutting pick wear value of the current drum is determined according to the cutting pick wear value of the drum in the preset unit time and the current running time of the drum, and then step S04a (not shown in the figure) is further included, wherein,
s04a, obtaining displacement information of the current coal mining machine; and judging whether the current displacement information of the coal mining machine exceeds the preset displacement information, if so, generating a replacement instruction, and controlling the coal mining machine to stop running.
For the embodiment of the application, the displacement information of the coal mining machine is preset in the electronic equipment; when the coal mining machine is used for mining a coal mine in a coal seam, the coal mining machine can move forwards along with the time along with the continuous advancing of the mining progress; the collection amount of the coal mining machine is increased, and the displacement amount of the coal mining machine is also increased; with the continuous increase of the collection amount of the coal mining machine, the cutting tooth abrasion degree of the roller is increased; in other words, as the pick rate of the shearer increases, the degree of pick wear of the drum increases.
The coal mining machine is provided with a displacement sensor; the electronic equipment compares the current coal mining machine displacement information with preset coal mining machine displacement information after acquiring the current coal mining machine displacement information through a displacement sensor, and if the current coal mining machine displacement information is larger than the preset coal mining machine displacement information, the electronic information judges that the current coal mining machine operation amount reaches the cutting tooth operation amount of a replacement roller; enabling the electronic equipment to generate a replacement instruction, and controlling the coal mining machine to stop running based on the replacement instruction; then, the cutting teeth of the roller are replaced by an operator; in addition, the electronic equipment sends the generated replacement instruction to a display device of a ground command center of a mine field for displaying, so that a worker can remotely acquire the information that the cutting teeth of the current drum need to be replaced.
The embodiment described above introduces a method for detecting loss of underground coal mining equipment from the perspective of a method flow, and the following embodiment describes a device for detecting loss of underground coal mining equipment from the perspective of a virtual module or a virtual unit, which is described in detail in the following embodiment.
The loss detection device 100 for the downhole coal mining equipment may specifically include: a first obtaining module 1001, a wear value determining module 1002, a first determining module 1003, and a first judging module 1004, wherein,
the first acquisition module 1001 is used for acquiring running track information of a roller, wherein the running track of the roller represents height information of an upper roller and a lower roller for cutting a coal mine;
the wear value determining module 1002 is used for determining a cutting tooth wear value of the roller in a preset unit time based on the running track information of the roller;
a first determining module 1003, configured to obtain a current operation duration of the drum; determining the cutting tooth abrasion value of the current roller according to the cutting tooth abrasion value of the roller in the preset unit time and the current running time of the roller;
the first judging module 1004 is used for judging whether the pick abrasion value of the current roller exceeds the pick abrasion threshold value of the roller, if so, generating a replacing instruction and controlling the coal mining machine to stop running.
In a possible implementation manner of the embodiment of the present application, the device 100 for detecting a loss of an underground coal mining equipment further includes: a first voltage obtaining module, a second judging module and a first obtaining module, wherein,
the first voltage obtaining module is used for obtaining first voltage information, and the first voltage information represents pressure information generated when cutting teeth of the roller are in contact with a coal mine;
a second judgment module for judging whether second voltage information is acquired based on the first voltage information,
if yes, determining coal rock interface information according to the first pressure information and the second pressure information,
the second voltage information represents pressure information generated when the cutting teeth of the roller are in contact with the top and bottom rock layers;
the first acquisition module is used for acquiring the running track information of the roller according to the coal rock interface information.
In a possible implementation manner of the embodiment of the present application, the device 100 for detecting a loss of an underground coal mining equipment further includes: a rotation speed acquisition module, a second acquisition module and a wear value determination module, wherein,
the rotating speed obtaining module is used for obtaining the rotating speed information of the current roller based on the running track information of the roller;
the second acquisition module is used for acquiring sampled coal mine information, and the sampled coal mine information represents density information of a sample coal mine before formal mining of the coal mining machine;
and the abrasion value determining module is used for determining the cutting tooth abrasion value of the roller in the preset unit time according to the current rotating speed information of the roller and the sampled coal mine information.
In a possible implementation manner of the embodiment of the present application, the device 100 for detecting a loss of an underground coal mining equipment further includes: a multiple information obtaining module and a first determining module, wherein,
the multiple information acquisition module is used for calculating the ratio of the current running time of the roller to the preset unit time and determining time multiple information;
the first determining module is used for multiplying the cutting tooth abrasion value of the roller in the preset unit time and the current time length multiple value to determine the cutting tooth abrasion value of the current roller.
In a possible implementation manner of the embodiment of the present application, the device 100 for detecting a loss of an underground coal mining equipment further includes: a first transmission module, wherein,
and the first transmitting module is used for acquiring the temperature information of the current roller and feeding back the temperature information to a display device of the command center if the temperature information is not acquired.
In a possible implementation manner of the embodiment of the present application, the device 100 for detecting a loss of an underground coal mining equipment further includes: a third determining module, wherein,
a third judging module for judging whether the current temperature is beyond the preset temperature information,
and if the cutting tooth damage instruction exceeds the preset value, generating a cutting tooth damage instruction, and controlling the coal mining machine to stop running.
In a possible implementation manner of the embodiment of the present application, the device 100 for detecting a loss of an underground coal mining equipment further includes: a displacement obtaining module, a fourth judging module, wherein,
the displacement acquisition module is used for acquiring the displacement information of the coal mining machine;
a fourth judging module for judging whether the current coal mining machine displacement information exceeds the preset displacement information,
and if so, generating a replacement instruction and controlling the coal mining machine to stop running.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
The embodiment of the present application also introduces an electronic device from the perspective of a physical apparatus, and as shown in fig. 3, an electronic device 1100 shown in fig. 3 includes: a processor 1101, and a memory 1103. The processor 1101 is coupled to the memory 1103, such as by a bus 1102. Optionally, the electronic device 1100 may also include a transceiver 1104. It should be noted that the transceiver 1104 is not limited to one in practical applications, and the structure of the electronic device 1100 is not limited to the embodiment of the present application.
The 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 device, a transistor logic device, a hardware component, or any combination thereof. Which may implement or execute the various illustrative logical blocks, modules, and circuits described in connection with the disclosure herein. The processor 1101 may also be a combination of computing functions, e.g., comprising one or more microprocessors, DSPs and microprocessors, and the like.
The Memory 1103 may be a ROM (Read Only Memory) or other type of static storage device that can store static information and instructions, a RAM (Random Access Memory) or other type of dynamic storage device that can store information and instructions, an EEPROM (Electrically Erasable Programmable Read Only Memory), a CD-ROM (Compact Disc Read Only Memory) or other optical Disc storage, optical Disc storage (including Compact Disc, laser Disc, optical Disc, digital versatile Disc, blu-ray Disc, etc.), a magnetic Disc medium or other magnetic storage device, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer, but is not limited to these.
The memory 1103 is used for storing application program codes for executing the present application, and the execution is controlled by the processor 1101. The processor 1101 is configured to execute application program code stored in the memory 1103 to implement the content shown in the foregoing method embodiments.
It should be understood that, although the steps in the flowcharts of the figures are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and may be performed in other orders unless explicitly stated herein. Moreover, at least a portion of the steps in the flow chart of the figure may include multiple sub-steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, which are not necessarily performed in sequence, but may be performed alternately or alternately with other steps or at least a portion of the sub-steps or stages of other steps.
The foregoing is only a partial embodiment of the present application, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present application, and these modifications and decorations should also be regarded as the protection scope of the present application.
Claims (10)
1. A loss detection method for underground coal mining equipment is characterized by comprising the following steps:
acquiring running track information of a roller, wherein the running track of the roller represents height information of an upper roller and a lower roller for cutting a coal mine;
determining a cutting tooth abrasion value of the roller in a preset unit time based on the running track information of the roller;
acquiring the current running time of the roller;
determining the cutting tooth abrasion value of the current roller according to the cutting tooth abrasion value of the roller in the preset unit time and the current running time of the roller;
judging whether the cutting tooth wear value of the current roller exceeds a cutting tooth wear threshold value of the roller or not,
and if so, generating a replacement instruction and controlling the coal mining machine to stop running.
2. The method of claim 1, wherein the obtaining of the running track information of the drum comprises:
acquiring first voltage information, wherein the first voltage information represents pressure information generated when cutting teeth of a roller are in contact with a coal mine;
determining whether second voltage information is acquired based on the first voltage information,
if so, determining coal rock interface information according to the first pressure information and the second pressure information,
the second voltage information represents pressure information generated when the cutting teeth of the roller are in contact with the top and bottom rock layers;
and acquiring the running track information of the roller according to the coal rock interface information.
3. The method according to claim 1, wherein determining a pick wear value of the drum in a preset unit time based on the running track information of the drum comprises:
acquiring the current rotating speed information of the roller based on the running track information of the roller;
acquiring sampled coal mine information, wherein the sampled coal mine information represents density information of a sample coal mine before formal mining of a coal mining machine;
and determining the cutting tooth abrasion value of the roller in a preset unit time according to the current rotating speed information of the roller and the sampled coal mine information.
4. The method of claim 1, wherein determining a current cutting pick wear value of the drum based on the cutting pick wear value of the drum in the preset unit time and a current operating time period of the drum comprises:
calculating the ratio of the current operation time of the roller to a preset unit time, and determining time multiple information;
and multiplying the cutting tooth wear value of the roller in the preset unit time by the time multiple information to determine the cutting tooth wear value of the current roller.
5. The method of claim 1, wherein the determining whether the pick wear value of the current drum exceeds a pick wear threshold for the drum further comprises:
if not, the temperature information of the roller is obtained and fed back to a display device of the command center.
6. The method according to claim 5, wherein if not, obtaining and feeding back temperature information of the current roller, and then further comprising:
judging whether the temperature information of the roller exceeds the preset temperature information,
and if the cutting tooth damage instruction exceeds the preset value, generating a cutting tooth damage instruction, and controlling the coal mining machine to stop running.
7. The method of claim 1, wherein determining a current pick wear value of the drum based on the pick wear value of the drum in the preset unit of time and a current length of time of operation of the drum, and then further comprising:
acquiring displacement information of a current coal mining machine;
judging whether the current displacement information of the coal mining machine exceeds the preset displacement information,
and if so, generating a replacement instruction and controlling the coal mining machine to stop running.
8. The utility model provides a coal mining equipment loss detection device in pit which characterized in that includes:
the first acquisition module is used for acquiring running track information of the roller, wherein the running track of the roller represents height information of an upper roller and a lower roller for cutting a coal mine;
the abrasion value determining module is used for determining a cutting tooth abrasion value of the roller in preset unit time based on the running track information of the roller;
the first determining module is used for acquiring the current running time of the roller; determining the current cutting tooth abrasion value of the roller according to the cutting tooth abrasion value of the roller in the preset unit time and the current running time length of the roller;
and the first judgment module is used for judging whether the cutting tooth abrasion value of the current roller exceeds the cutting tooth abrasion threshold value of the roller or not, if so, a replacement instruction is generated, and the coal mining machine is controlled to stop running.
9. An electronic device, comprising:
at least one processor;
a memory;
at least one application, wherein the at least one application is stored in the memory and configured to be executed by the at least one processor, the at least one application configured to: the method for detecting the loss of the underground coal mining equipment according to any one of claims 1 to 7 is carried out.
10. A computer readable medium having stored thereon a computer program, wherein the computer program, when executed on a computer, causes the computer to perform the method of downhole coal mining equipment loss detection of any one of claims 1 to 7.
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| CN202210887530.7A CN115014747A (en) | 2022-07-26 | 2022-07-26 | Method and device for detecting loss of underground coal mining equipment, electronic equipment and medium |
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| CN202210887530.7A CN115014747A (en) | 2022-07-26 | 2022-07-26 | Method and device for detecting loss of underground coal mining equipment, electronic equipment and medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115839344A (en) * | 2023-02-17 | 2023-03-24 | 石家庄宏昌泵业有限公司 | Wear monitoring method, device, equipment and storage medium for slurry pump |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115839344A (en) * | 2023-02-17 | 2023-03-24 | 石家庄宏昌泵业有限公司 | Wear monitoring method, device, equipment and storage medium for slurry pump |
| CN115839344B (en) * | 2023-02-17 | 2023-05-12 | 石家庄宏昌泵业有限公司 | Wear supervision method, device, equipment and storage medium for slurry pump |
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