CN112216177A - Coal mining machine operation skill training system - Google Patents
Coal mining machine operation skill training system Download PDFInfo
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- CN112216177A CN112216177A CN202011108946.1A CN202011108946A CN112216177A CN 112216177 A CN112216177 A CN 112216177A CN 202011108946 A CN202011108946 A CN 202011108946A CN 112216177 A CN112216177 A CN 112216177A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
- G09B5/065—Combinations of audio and video presentations, e.g. videotapes, videodiscs, television systems
Abstract
The utility model provides a coal-winning machine operation skill training system, through magnetic sensor and range finding sensor to the motion position and the cutting height collection of mining machine, control module judges whether the cutting height of coal-winning machine predetermines the cutting height within range in corresponding position department according to position and predetermined cutting height database, when the cutting height is predetermineeing the cutting height within range, instruction module sends first warning signal, when the cutting height with predetermine the cutting height not when predetermineeing the cutting height, instruction module sends the second warning signal. The method and the device can scientifically and accurately evaluate and guide the training work of coal mining operation.
Description
Technical Field
The invention belongs to the technical field of coal mining machines, and particularly relates to a coal mining machine operation skill training system.
Background
The coal mining machine is a coal mining machine which breaks down coal from a coal body (coal breaking) by a working mechanism and loads the coal into a working face conveyor (coal loading). The cutting accuracy of the shearer affects the safety and coal quality of coal mining, and therefore requires the shearer operator to accurately control the cutting position of the shearer drum.
Due to the particularity of the underground environment of the coal mine, the operation of large-scale coal mining equipment such as a coal mining machine and the like cannot be developed and trained underground in real time. The underground working environment is built on the ground, and training and examination of workers through real equipment operation are the main culture modes of coal mining machine technicians at present. However, at present, a domestic coal mining machine driver artificially adopts cotton ropes and the like to manufacture a false roof, the mining height below the false roof is visually observed by training personnel according to personal feelings, the influence of artificial sensory factors is large, and the scientific and accurate guidance on the training work cannot be realized.
Therefore, a need exists for a coal mining machine operational skill training system.
Disclosure of Invention
The invention provides a training system for the operational skills of a coal mining machine, which is used for scientifically and accurately training the operational skills of the coal mining machine.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: there is provided a shearer skill training system, the system comprising: the device comprises a magnetic sensor, a distance measuring sensor, an upper computer module, a control module and an indicating module;
the magnetic sensor is arranged on a moving track of the coal mining machine and used for collecting the moving position of the coal mining machine;
the distance measuring sensor is arranged on the coal mining machine roller and is used for collecting the cutting height of the coal mining machine roller;
the upper computer module is internally provided with an industrial control program and is used for sending a control signal and displaying the movement position and the cutting height;
the control module is internally provided with a position and preset cutting height database, is in communication connection with the magnetic sensor, the distance measuring sensor and the upper computer module, and is used for controlling the magnetic sensor and the distance measuring sensor to collect the motion position and the cutting height according to the control signal, receiving the motion position and the cutting height, processing and judging whether the cutting height is within a preset cutting height range of the corresponding motion position according to the database, and then sending an instruction signal, wherein when the cutting height is within the preset cutting height range of the corresponding motion position, the control module is used for sending a first instruction signal, and when the cutting height is not within the preset cutting height range, the control module is used for sending a second instruction signal;
the indicating module is in communication connection with the control module and is used for receiving the instruction signal, displaying the motion position, the cutting height and sending out a reminding signal, when the indicating module receives the first instruction signal, the indicating module sends out a first reminding signal, and when the indicating module receives the second instruction signal, the indicating module sends out a second reminding signal.
Preferably, the system further comprises a speed sensor, wherein the speed sensor is installed on the movement track of the coal mining machine and is used for acquiring the movement speed of the coal mining machine on the movement track.
Preferably, the control module comprises: the system comprises a PLC (programmable logic controller), an Ethernet unit, an isolation gate, a relay module, a voice unit and a power supply;
the PLC is provided with a training or checking logic program and is used for judging commands and sending command signals;
the Ethernet unit is used for realizing information and instruction transmission between the PLC and the upper computer module;
the isolation gate is used for isolating the PLC from the magnetic sensor, the distance measuring sensor and the speed sensor;
the relay module is used for converting the instruction signal into a photoelectric signal;
the voice unit is used for controlling the indication module to make a sound;
the power supply is used for providing working voltage for the magnetic sensor, the distance measuring sensor, the speed sensor, the isolation gate, the relay module and the voice unit.
Preferably, the indication module comprises: the LED display screen comprises an indicator light, a loudspeaker and an LED display screen;
the indicator light is connected with the relay module and used for indicating the cutting height of the drum of the coal mining machine;
the loudspeaker is used for emitting sound prompt;
and the LED display screen is used for displaying the cutting height and the movement position.
Preferably, the control module is further configured to control the speed sensor to acquire the movement speed, and receive the movement speed and then send the movement speed to the upper computer module for display.
Preferably, the LED display screen is also used to display the movement speed.
Preferably, the upper computer module is a computer or a mobile intelligent device.
Based on the above embodiment, it can be seen that in the coal mining machine operation skill training system provided by the embodiment of the invention, the magnetic sensor, the distance measuring sensor and the speed sensor are used for respectively acquiring the movement position and the cutting height signal of the coal mining machine, the control module is used for judging the cutting height of the coal mining machine according to the position and the preset cutting height database, when the cutting height is within the preset cutting height range at the corresponding position, the indicating module sends out the first reminding signal, and when the cutting height is not within the preset cutting height, the indicating module sends out the second reminding signal. Therefore, signal acquisition is adopted to replace manual observation, and whether the mining operation is carried out smoothly or not is scientifically and accurately evaluated. In addition, the form of sending out a reminding signal is adopted, and the reminding is also given to an operator, so that the mining operation action can be better guided.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic composition diagram of a coal mining machine operation skill training system according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating control modules of a coal mining machine operation skill training system according to an embodiment of the present invention;
description of reference numerals: the system comprises a magnetic sensor 1, a distance measuring sensor 2, an upper computer module 3, a control module 4, an indication module 5, a speed sensor 6, a PLC 41, an Ethernet unit 42, an isolation grid 43, a relay module 44, a voice unit 45 and a power supply 46.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, 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. It is to be understood that the embodiments described are only a few embodiments of the present application and 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.
Fig. 1 is a schematic composition diagram of a system for training operational skills of a coal mining machine according to an embodiment of the present invention. As shown in fig. 1, the training system includes a magnetic sensor 1, a distance measuring sensor 2, an upper computer module 3, a control module 4, an indication module 5, and a speed sensor 6.
The coal mining machine is a coal mining machine which breaks down coal from a coal body (coal breaking) by a working mechanism and loads the coal into a working face conveyor (coal loading). The cutting accuracy of the coal mining machine can affect the safety and the coal mining quality of coal mining, so that an operator of the coal mining machine is required to accurately control the cutting position of a drum of the coal mining machine, and the cutting positions required correspondingly when the coal mining machine moves to different positions are different, so that the cutting height of the drum of the coal mining machine needs to be adjusted at any time according to the movement position of the coal mining machine required by a driver. In order to simulate the cross section of a downhole coal seam and train students at a high level, three groups of mining height levels are correspondingly arranged at different positions according to the embodiment of the application, wherein the distance between the first level and the second level is 30mm, and the distance between the second level and the third level is 50mm, which needs to be explained that the distance between the three mining height lines at different positions is constant, but the height relative to the ground is different, so as to better simulate different optimal cutting heights corresponding to different operating positions in the downhole. Below the first level is insufficient mining height, above the first level below the second level is perfect operation, above the second level below the third level is overstock, above the third level is operation failure. The setting of the number of the mining height levels and the setting of the distance between the two coal mining levels can be adjusted correspondingly according to the actual requirements of training, for example, more mining height levels can be set when trainees are trained at high levels, and the distance between the two mining height levels can be set to be larger when the requirements are lower. And the magnetic sensor 1 is arranged on the moving track of the coal mining machine and is used for acquiring the moving position of the coal mining machine. And the distance measuring sensor 2 is arranged on the coal mining machine roller and is used for acquiring the cutting height of the coal mining machine roller. When the coal cutter with the cutting height enters the moving track to start cutting operation, the magnetic sensor 1 collects the moving position of the coal cutter and sends a moving position signal to the control module 4, and the control module 4 transfers preset cutting height data corresponding to the position and the preset cutting height database according to the moving position signal. The distance measuring sensor 2 collects the cutting height of the drum of the coal mining machine and sends a cutting height signal to the control module 4, and the control module 4 judges whether the actual cutting height is within a preset cutting height range or not according to the preset cutting height.
When the coal mining machine is operated under a mine, the movement speed of the coal mining machine needs to be strictly controlled due to the complex environment so as to ensure the safety of the underground operation. In order to solve the above technical problem, the present application provides a preferred embodiment, the training system further includes a speed sensor 6, and the speed sensor 6 is mounted on the moving track of the shearer, and is configured to collect the moving speed of the shearer on the moving track and send a moving speed signal to the control module 4.
The upper computer module 3 is internally provided with an industrial control program for sending out a control signal and displaying the movement position and the cutting height. The upper computer module 3 is a computer capable of directly sending an operation command, in the embodiment of the application, the upper computer module 3 is a computer and a mobile intelligent device, and is also used for sending a control signal, and the corresponding controlled object is a control module 4. The upper computer module 3 is in communication connection with the control module 4, and the upper computer module 3 reads and displays the movement position and the movement speed of the coal mining machine and the cutting height of the drum of the coal mining machine from the control module 4.
The control module 4 is internally provided with a position and preset cutting height database which is in communication connection with the magnetic sensor 1, the distance measuring sensor 2 and the upper computer module 3, the control module 4 receives a control signal sent by the upper computer module 3, and the control module 4 is combined with a logic program arranged in the control module 4 and controls the magnetic sensor 1 to collect a movement position signal of the coal mining machine and controls the distance measuring sensor 2 to collect a cutting height signal of a roller of the coal mining machine according to the control signal. The cutting height of the coal mining machine motion position signal acquired by the magnetic sensor 1 and the cutting height signal of the coal mining machine drum acquired by the distance measuring sensor 2 is sent to the control module 4, and the control module 4 receives the motion position signal and the cutting height signal and feeds information back to the upper computer module 3 for display. Meanwhile, the control module 4 processes the movement position and the cutting height according to the position and preset cutting height database and then sends out an instruction signal, wherein when the cutting height is within a preset cutting height range at the corresponding movement position, the control module is used for sending out a first instruction signal, and when the cutting height is not within the preset cutting height range, the control module is used for sending out a second instruction signal. The control module 4 also converts the command signal into an opto-electronic signal for more signal stability. The determination of the preset range can be correspondingly adjusted according to the actual requirements of training, and in addition, the preset ranges with different levels can be set to distinguish more detailed operation levels, for example, for a new student, the preset range can be properly expanded as long as the action can be basically finished; and in the skill assessment stage, different grades can be set in the preset range so as to better distinguish the difference of the operation levels of different personnel. It should be noted that, for the number of levels in the preset range, the corresponding first instruction signal and second instruction signal may also be divided into more sub-divisions, for example, the first instruction signal is divided into one level, two levels, three levels, and so on. And for the coal mining machine, the operation level of the trainee is evaluated through different set coal mining horizontal lines, wherein the coal mining height is insufficient below the first level, the perfect operation is performed below the first level and the second level, the coal mining height is over-limit and the operation failure is performed above the third level, and the coal mining height is not enough.
The control module 4 is also configured to control the speed sensor 6 to collect the movement speed, receive the movement speed and send the movement speed to the upper computer module 3 for display.
In order to improve the reliability, accuracy and stability of the system in the embodiment of the application. Fig. 2 is a schematic diagram illustrating control modules of a coal mining machine operation skill training system according to an embodiment of the present invention. As shown in fig. 2, the control module 4 of the training system includes a PLC programmable controller 41, an ethernet unit 42, an isolation barrier 43, a relay module 44, a voice unit 45, and a power supply 46. The PLC 41 is provided with a training or checking logic program for judging whether the cutting height is within a preset cutting height range at a corresponding movement position according to the processing of the database and then sending an instruction signal; the ethernet unit 42 is used for realizing information and instruction transmission between the PLC programmable controller 41 and the upper computer module 3; the isolation fence 43 is used for isolating the PLC 41 from the magnetic sensor 1, the distance measuring sensor 2 and the speed sensor 6; the relay module 44 is used for converting the instruction signal into a photoelectric signal; the voice unit 45 is used for controlling the indication module 5 to make a sound; the power supply 46 is used for providing working voltage for the magnetic sensor 1, the distance measuring sensor 2, the speed sensor 6, the isolation barrier 43, the relay module 44 and the voice unit 45.
And the indicating module 5 is in communication connection with the control module 4 and is used for receiving the instruction signal, displaying the movement position, the movement speed and the cutting height and sending out a reminding signal, when the indicating module 5 receives the first instruction signal, the first reminding signal is sent out, and when the indicating module 5 receives the second instruction signal, the second reminding signal is sent out.
Further, the indication module 5 includes: pilot lamp, loudspeaker, LED display screen. The indicator light is connected with the relay module 44 and is used for indicating the cutting height of the drum of the coal mining machine; the loudspeaker is used for making a sound prompt; the LED display screen is used for displaying the cutting height, the movement position and the movement speed.
The coal mining machine moving track is provided with a magnetic sensor 1, the cutting working surface of a drum of the coal mining machine is provided with different cutting height horizontal height marked lines, and the cutting height marked lines which do not pass through the position can be different. Note that the reticle is not a height scale or the like that can be actually observed, but is a database provided in the control module 4 and retrieved by an industrial control program to evaluate the actual cutting height. After the coal mining machine starts to operate, the magnetic sensor 1 acquires the movement position of the coal mining machine by sensing the position of the magnetic steel and sends the movement position to the control module 4, and the control module 4 receives the movement position signal and then calls cutting height data preset at the position corresponding to the pinch of the database. The distance measuring sensor 2 collects the cutting height of the drum of the coal mining machine, the cutting height data are sent to the control module 4, the control module 4 compares the actual cutting height data with the preset cutting height data, and then a control signal is sent. When the cutting height is within a preset cutting height range at the corresponding movement position, a first instruction signal is sent out, and when the cutting height is not within the preset cutting height, a second instruction signal is sent out. The corresponding indicating module 5 is provided with indicating lamps 41 at different coal mining height line positions, and the indicating lamps 41 are used for indicating the positions of the drums of the coal mining machine relative to the mining height horizontal line. When the indicating module 5 receives the first instruction signal, indicating that the actual cutting height is within the preset cutting height range, the indicating module 5 sends a first reminding signal, the indicating lamp 41 at the corresponding position is bright green, indicating that the cutting is "through", and the horn 42 sends a first sound reminding; when the indication module 5 receives the second instruction signal, the actual cutting height is not within the preset cutting height range, the indication module 5 sends a second reminding signal, the indicator lamp 41 at the corresponding position is bright red to indicate "error", and the horn 42 sends a second sound reminding. More specifically, when the lighting height is not enough below the first level, the indicator lamp 41 corresponding to the first level is turned on red; above the first level and below the second level is perfect operation, when the indicator light 41 corresponding to the first and second levels is on green; the elevation exceeding above the second level and below the third level is an overstock, and the indicator lamp 41 at the second level and at the third level is bright red; above the third level is an operation failure, the shearer operation is stopped, and the indicator lamp 41 at the third level is lit red.
The embodiments in this specification are described in a progressive manner. The same and similar parts among the various embodiments can be mutually referred, and each embodiment focuses on the differences from the other embodiments.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It should be noted that, unless otherwise specified and limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, mechanically or electrically connected, or may be communicated between two elements, directly or indirectly through an intermediate medium, and specific meanings of the terms may be understood by those skilled in the relevant art according to specific situations. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a circuit structure, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, the presence of an element identified by the phrase "comprising an … …" does not exclude the presence of additional like elements in the article or device comprising the element. Relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. In addition, as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (7)
1. A coal mining machine operational skill training system, comprising: the device comprises a magnetic sensor (1), a ranging sensor (2), an upper computer module (3), a control module (4) and an indication module (5);
the magnetic sensor (1) is arranged on a moving track of the coal mining machine and is used for collecting the moving position of the coal mining machine;
the distance measuring sensor (2) is arranged on the coal mining machine roller and is used for collecting the cutting height of the coal mining machine roller;
the upper computer module (3) is internally provided with an industrial control program and is used for sending out a control signal and displaying the movement position and the cutting height;
the control module (4) is internally provided with a position and preset cutting height database, is in communication connection with the magnetic sensor (1), the distance measuring sensor (2) and the upper computer module (3), and is used for controlling the magnetic sensor (1) and the distance measuring sensor (2) to collect the motion position and the cutting height according to the control signal, receiving the motion position and the cutting height, processing and judging whether the cutting height is within a preset cutting height range of the corresponding motion position according to the database, and then sending an instruction signal, wherein when the cutting height is within the preset cutting height range of the corresponding motion position, the control module is used for sending a first instruction signal, and when the cutting height is not within the preset cutting height range, the control module is used for sending a second instruction signal;
the indicating module (5) is in communication connection with the control module (4) and is used for receiving the instruction signal, displaying the motion position, the cutting height and sending out a reminding signal, when the indicating module (5) receives the first instruction signal, the first reminding signal is sent out, and when the indicating module (5) receives the second instruction signal, the second reminding signal is sent out.
2. The shearer operation skill training system as set forth in claim 1, characterized in that the system further comprises a speed sensor (6), the speed sensor (6) being mounted on the shearer movement track for acquiring the movement speed of the shearer on the movement track.
3. The shearer skill training system according to claim 2, wherein the control module (4) comprises: the device comprises a PLC (programmable logic controller) (41), an Ethernet unit (42), an isolation barrier (43), a relay module (44), a voice unit (45) and a power supply (46);
the PLC (41) is provided with a training or checking logic program and is used for judging commands and sending command signals;
the Ethernet unit (42) is used for realizing information and instruction transmission between the PLC (41) and the upper computer module (3);
the isolation fence (43) is used for isolating the PLC programmable controller (41) from the magnetic sensor (1), the distance measuring sensor (2) and the speed sensor (6);
the relay module (44) is used for converting the instruction signal into a photoelectric signal;
the voice unit (45) is used for controlling the indication module (5) to make a sound;
the power supply (46) is used for providing working voltage for the magnetic sensor (1), the distance measuring sensor (2), the speed sensor (6), the isolation barrier (43), the relay module (44) and the voice unit (45).
4. The shearer skill training system according to claim 3, wherein the indication module (5) comprises: the LED display screen comprises an indicator light, a loudspeaker and an LED display screen;
the indicator light is connected with the relay module (44) and is used for indicating the cutting height of the drum of the coal mining machine;
the loudspeaker is used for emitting sound prompt;
and the LED display screen is used for displaying the cutting height and the movement position.
5. The shearer skill training system as claimed in claim 2, wherein the control module (4) is further configured to control the speed sensor (6) to acquire the movement speed, receive the movement speed and send the movement speed to the upper computer module (3) for display.
6. The shearer skill training system as set forth in claim 2, wherein an LED display screen () is also used to display the movement speed.
7. The shearer skill training system according to claim 1, wherein the upper computer module (3) is a computer, a mobile intelligent device.
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| CN202011108946.1A CN112216177B (en) | 2020-10-16 | 2020-10-16 | Coal mining machine operation skill training system |
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| CN112216177B (en) | 2022-06-14 |
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Address after: 273500 No. 949, Fushan South Road, Zoucheng City, Jining City, Shandong Province Applicant after: Yankuang Energy Group Co.,Ltd. Address before: 273500 Shandong city of Jining province Zoucheng City Fushan Road No. 298 Applicant before: YANZHOU COAL MINING Co.,Ltd. |
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