CN110642028B - Multi-link automatic bunker allocation system and method based on bunker coal position - Google Patents
Multi-link automatic bunker allocation system and method based on bunker coal position Download PDFInfo
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- CN110642028B CN110642028B CN201910912125.4A CN201910912125A CN110642028B CN 110642028 B CN110642028 B CN 110642028B CN 201910912125 A CN201910912125 A CN 201910912125A CN 110642028 B CN110642028 B CN 110642028B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/005—Control arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
- B65G2201/045—Sand, soil and mineral ore
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Abstract
The disclosure relates to a multi-link automatic bunker allocation system and a method based on a bunker coal position, wherein the system comprises: the cylinder is arranged above the conveyor belt and is connected with a telescopic plate, and the telescopic plate is used for adjusting the coal falling position of the conveyor belt; the conveying belt is arranged in the transportation roadway, and a plurality of coal bins are arranged below the conveying belt; the detection sensors are arranged on the inner bin walls of the coal bins and used for continuously monitoring the coal level height of each coal bin in the plurality of coal bins in real time and reporting the coal level height of the corresponding coal bin to the controller; and the controller is respectively connected with the conveyor belt, the air cylinder and the detection sensor and is used for controlling the expansion of the air cylinder and the working state of the conveyor belt according to the coal level height. The automatic bin allocation can be effectively realized through the automatic bin allocation method, the accuracy of the bin allocation is improved, and the mechanical loss caused by manual misoperation is reduced; meanwhile, underground fixed watching personnel are reduced, and the personal safety and the working efficiency of coal mine workers are improved.
Description
Technical Field
The disclosure relates to the technical field of bunker allocation control, in particular to a multi-link automatic bunker allocation system and method based on coal positions of coal bunkers.
Background
At present, most mines adopt belt conveyors to transport coal, and a plurality of coal bunkers for large-capacity coal storage are built below belt coal falling; in the process, a plurality of workers need to stare at the coal bunker all the time, the phenomenon of coal piling and shutdown caused by untimely allocation after the coal bunker is full is prevented, the workers are easy to fatigue and doze due to staring at the coal bunker for a long time, potential safety hazards exist, and in addition, the dust at the coal drop point is large, and the physical health of the workers is damaged.
Disclosure of Invention
In view of the above, the present disclosure provides a multi-link automatic bunker allocation system and method based on a bunker position, which are used for reducing the number of coal mine underground personnel staring at a post for a long time and improving the personnel safety and economic benefits.
According to an aspect of the present disclosure, there is provided a multi-link automatic bunker allocation system based on a bunker coal position, comprising:
the cylinder is arranged above the conveyor belt and is connected with a telescopic plate, and the telescopic plate is used for adjusting the coal falling position of the conveyor belt;
the conveying belt is arranged in the transportation roadway, and a plurality of coal bins are arranged below the conveying belt;
the detection sensor is arranged on the inner bin wall of each coal bin and is used for continuously monitoring the coal level height of each coal bin in the plurality of coal bins in real time and reporting the coal level height of the corresponding coal bin to the controller;
and the controller is respectively connected with the conveyor belt, the air cylinder and the detection sensor and is used for controlling the expansion of the air cylinder and the working state of the conveyor belt according to the coal level height.
In one possible implementation mode, the conveying belt comprises a main inclined shaft belt and a bin distribution belt, and a coal breakage gap is reserved at the lap joint of the main inclined shaft belt and the bin distribution belt; a first coal bunker is arranged below the coal falling space; a second coal bunker is arranged below the middle part of the bunker-matching belt, and a third coal bunker is arranged below the coal dropping end of the bunker-matching belt;
the cylinders comprise a first cylinder and a second cylinder; the first cylinder is arranged above the coal falling space, and the second cylinder is arranged above the middle part of the distribution belt.
In a possible implementation manner, the first cylinder is connected with a first expansion plate, under the condition that the first cylinder extends to a position, two ends of the first expansion plate are respectively overlapped at a coal falling end of the main inclined shaft belt and a coal feeding end of the bunker-making belt, and coal of the main inclined shaft belt is conveyed to the bunker-making belt through the first expansion plate; under the condition that the first cylinder is contracted to the right position, the coal material of the main inclined shaft belt is conveyed to a first coal bunker through coal falling;
the second cylinder is connected with a second expansion plate, the second expansion plate separates the bunker-matching belt under the condition that the second cylinder extends to a position, and coal on the bunker-matching belt is conveyed to a second coal bunker through the second expansion plate; and under the condition that the second cylinder is contracted to the right position, the coal on the bunker-matching belt is conveyed to a third coal bunker.
In one possible implementation, the controller is a PLC controller, and is installed in a control cabinet on a wall of the roadway, and the PLC controller includes:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to:
judging whether the coal level height of each coal bunker exceeds a first preset threshold value or not;
and under the condition that the coal level height of any coal bunker exceeds a first preset threshold value, the conveyor belt is controlled to keep in a running state, and the coal is conveyed to the coal bunker of which the coal level height does not exceed the first preset threshold value through controlling the stretching and retracting of the air cylinder.
According to another aspect of the present disclosure, there is provided a multi-link automatic bunker allocation method based on a bunker coal level, including:
adjusting the coal falling position of a conveyor belt in a transportation roadway through a telescopic plate connected to an air cylinder, wherein the air cylinder is arranged above the conveyor belt, and a plurality of coal bins are arranged below the conveyor belt;
continuously monitoring the coal level height of each coal bunker in a plurality of coal bunkers in real time through a detection sensor, and reporting the coal level height of the corresponding coal bunker to a controller;
and controlling the expansion of the cylinder and the working state of the conveyor belt according to the coal level height.
In a possible implementation manner, the controlling the expansion of the cylinder and the working state of the conveyor belt according to the coal level height includes:
judging whether the coal level height of each coal bunker in the plurality of coal bunkers exceeds a first preset threshold value or not;
and under the condition that the coal level height of any coal bunker does not exceed a first preset threshold value, controlling the conveyor belt to keep in a running state, and conveying coal to the coal bunker with the coal level height not exceeding the first preset threshold value by controlling the stretching and retracting of the air cylinder.
In a possible implementation manner, in a case that the coal level height of any coal bunker does not exceed a first preset threshold, controlling the conveyor belt to keep in an operating state, and conveying the coal to the coal bunker whose coal level height does not exceed the first preset threshold by controlling the expansion and contraction of the cylinder, includes:
under the condition that the coal level height of the first coal bunker does not exceed a first preset threshold value, controlling a main inclined shaft belt to keep a running state, controlling a first cylinder to retract in place, and conveying coal of the main inclined shaft belt to the first coal bunker;
under the condition that the coal level height of the second coal bunker does not exceed a first preset threshold value, controlling a main inclined shaft belt and a bunker allocation belt to keep running states, and conveying coal to the second coal bunker by controlling a first air cylinder and a second air cylinder to extend in place;
and under the condition that the coal level height of the third coal bunker does not exceed a first preset threshold value, controlling the main inclined shaft belt and the bunker allocation belt to keep running states, and conveying coal to the third coal bunker by controlling the first cylinder to extend to the position and the second cylinder to retract to the position.
In a possible implementation manner, before the determining whether the coal level height of each coal bunker exceeds a first preset threshold, the method further includes:
and judging whether the average coal level height of each coal bunker is lower than a second preset threshold value, if so, further judging whether the coal level height of each coal bunker exceeds a first preset threshold value.
According to another aspect of the present disclosure, there is provided a multi-link automatic bunker allocation device based on a bunker coal level, comprising:
the coal dropping position adjusting module is used for adjusting the coal dropping position of the conveyor belt in the transportation roadway through a telescopic plate connected to the cylinder;
the coal level height monitoring module is used for continuously monitoring the coal level height of each coal bunker in the plurality of coal bunkers in real time through the detection sensor and reporting the coal level height of the corresponding coal bunker to the controller;
and the control module is used for controlling the expansion of the air cylinder and the working state of the conveyor belt according to the coal level height.
According to another aspect of the present disclosure, there is provided a non-transitory computer readable storage medium having computer program instructions stored thereon, wherein the computer program instructions, when executed by a processor, implement the above-described method.
The cylinder is arranged above the conveyor belt according to the present disclosure and is connected with a telescopic plate, and the telescopic plate is used for adjusting the coal dropping position of the conveyor belt; the conveying belt is arranged in the transportation roadway, and a plurality of coal bins are arranged below the conveying belt; the detection sensors are arranged on the inner bin walls of the coal bins and used for continuously monitoring the coal level height of each coal bin in the plurality of coal bins in real time and reporting the coal level height of the corresponding coal bin to the controller; and the controller is respectively connected with the conveyor belt, the air cylinder and the detection sensor and is used for controlling the expansion of the air cylinder and the working state of the conveyor belt according to the coal level height. The automatic bunker allocation method has the advantages that the main inclined shaft belt, the air cylinder and the bunker allocation belt are automatically controlled through detecting the coal quantity of the coal bunker by utilizing an advanced sensing detection technology, a logic analysis judgment technology, an automatic control technology and a computer communication technology, so that automatic bunker allocation is realized, the accuracy of bunker allocation is improved, and the mechanical loss caused by manual misoperation is reduced; meanwhile, underground fixed watching personnel are reduced, and the personal safety and the working efficiency of coal mine workers are improved.
Other features and aspects of the present disclosure will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments, features, and aspects of the disclosure and, together with the description, serve to explain the principles of the disclosure.
FIG. 1 illustrates a block diagram of a multi-link auto-bunkering system based on a bunker bay, according to an embodiment of the present disclosure;
FIG. 2 illustrates a block diagram of a controller according to an embodiment of the present disclosure;
FIG. 3 illustrates a flow diagram of a multi-link auto-binning method based on a coal bunker bay according to an embodiment of the present disclosure;
FIG. 4 illustrates a flow diagram of a multi-link auto-binning method based on a coal bunker bay according to an embodiment of the present disclosure;
fig. 5 shows a schematic structural diagram of a multi-link automatic bunkers allocation device based on a bunker bay according to an embodiment of the present disclosure.
Detailed Description
Various exemplary embodiments, features and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.
Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present disclosure. It will be understood by those skilled in the art that the present disclosure may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present disclosure.
At present, coal is transported by belt conveyors in most mines, and due to the fact that geological environments and coal beds are different, coal bins are adopted for coal storage in belt lap joints, the coal is transported to a belt of the next step through a coal feeder, the coal is transported to a main well belt, and in order to improve production efficiency, a plurality of coal bins are built below coal falling of most main well belts and used for high-capacity coal storage. The adjusting coal dropping bin is adjusted by adopting a cylinder telescopic baffle plate.
In a coal mine transportation system, if a coal dropping point of a machine head of a main shaft belt conveyor of a coal mine has 3 coal bins, a centralized distribution belt conveyor is used for distributing coal to the 3 different coal bins, 3 workers need to be arranged to stare at the coal bins all the time in the process, the phenomenon of coal piling and shutdown caused by untimely distribution after the coal bins are full is prevented, the workers are easy to fatigue and doze due to staring the coal bins for a long time, potential safety hazards exist, and in addition, the coal dropping point is large in dust and harms the health of the workers.
Therefore, in order to improve the personal safety and the working efficiency of coal mine workers, the automatic warehouse allocation is realized through an advanced sensing detection technology, a logic analysis and judgment technology, an automatic control technology and a computer communication technology, underground fixed watchmen are reduced, and the personal safety and the working efficiency of the coal mine workers are improved.
Fig. 1 illustrates a block diagram of a multi-link auto-bunkering system based on a bunker bay according to an embodiment of the present disclosure. As shown in fig. 1, the system may include: the air cylinder 100 is arranged above the conveyor belt 300, the air cylinder 100 is connected with a telescopic plate 200, and the telescopic plate 200 is used for adjusting the coal falling position of the conveyor belt 300; the conveyer belt 300 is arranged in the haulage roadway, and a plurality of coal bunkers 400 are arranged below the conveyer belt 300; the detection sensor 500 is mounted on the inner wall of each coal bunker and is used for continuously monitoring the coal level height of each coal bunker in the plurality of coal bunkers in real time and reporting the coal level height of the corresponding coal bunker to the controller 600; and the controller 600 is respectively connected with the conveyor belt 300, the cylinder 100 and the detection sensor 500 and is used for controlling the expansion of the cylinder 100 and the working state of the conveyor belt 300 according to the coal level height.
The detection sensor can be a rotation-resisting type material level meter which is arranged on the inner bin wall of the coal inlet of each coal bin, and the material level meter can be used for detecting the height of the coal level in the closed or open coal bin in the processes of coal transportation and bin allocation; in the disclosure, the level meter is used for continuously monitoring the coal level height in each coal bunker, and the detected coal level height information is reported to the controller in real time. The conveyor belt is driven by a motor, and the controller adjusts the working state of the conveyor belt by controlling the operation of the motor. The controller can adjust the telescopic state of the air cylinder by controlling the movement of the piston connecting rod in the air cylinder.
In a possible implementation manner, the conveyor belt 300 comprises a main inclined shaft belt 301 and a bin allocation belt 302, and a coal breakage space 700 is reserved at the joint of the main inclined shaft belt 301 and the bin allocation belt 302; a first coal bunker 401 is arranged below the coal drop opening 700; a second coal bunker 402 is arranged below the middle part of the bunker-matching belt, and a third coal bunker 403 is arranged below the coal dropping end of the bunker-matching belt; the cylinders comprise a first cylinder 101 and a second cylinder 102; the first cylinder 101 is arranged above the coal drop space 700, and the second cylinder 102 is arranged above the middle part of the distribution belt 302.
Wherein, the coal inlet of the first coal bunker is positioned below the coal falling space (namely below the first cylinder); the coal inlet of the second coal bunker is positioned below the middle part of the bunker-matching belt (namely below the second cylinder); the coal inlet of the third coal bunker is positioned below the coal dropping point of the bunker-matching belt (namely, one end far away from the coal dropping space 700); the piston connecting rod of the cylinder is connected with a telescopic plate (such as a baffle plate or a lapping plate), and the telescopic plate can be used for adjusting the coal falling position of the transmission belt; the middle part of the distribution belt can be further provided with a blanking guide chute which is matched with the second cylinder and used for transporting the coal on the distribution belt to the second coal bunker more smoothly, so that the occurrence of material blockage is avoided.
The debugging system is different from an automatic debugging system based on coal flows, adjusts a frequency converter according to the size of a coal level of a coal bunker and the size of the coal flow so as to achieve the energy-saving effect, and mainly aims at controlling the transportation process of a main transportation belt. According to the automatic bunker allocation system, the height of the coal bunker, the bunker allocation belt, the air cylinder and other factors are comprehensively considered, the bunker allocation system is constructed by reserving the main inclined shaft belt with empty coal falling, the bunker allocation belt and the air cylinder arranged at a specific position, the coal material on the main inclined shaft belt can be conveyed to the bunker allocation belt or the first coal bunker through the telescopic control of the first air cylinder, the coal material on the bunker allocation belt can be conveyed to the second coal bunker or the third coal bunker through the telescopic control of the second air cylinder, and then automatic bunker allocation is achieved.
In a possible implementation manner, the first cylinder 101 is connected with a first expansion plate 201, when the first cylinder 101 extends to a position, two ends of the first expansion plate 201 are respectively overlapped with a coal dropping end (one end close to the coal dropping hollow 700) of the main inclined shaft belt 301 and a coal feeding end (one end close to the coal dropping hollow 700) of the bunker-blending belt 302, and coal of the main inclined shaft belt 301 is conveyed to the bunker-blending belt 302 through the first expansion plate 201; under the condition that the first cylinder 101 is contracted into position, the coal material of the main inclined shaft belt 301 is conveyed to a first coal bunker 401 through a coal drop space 700; the second cylinder 102 is connected with a second expansion plate 202, when the second cylinder 102 extends to the right position, the second expansion plate 202 is erected on the bunker matching belt, the second expansion plate 202 obstructs the bunker matching belt 302, and coal on the bunker matching belt 302 is conveyed to a second coal bunker 402 through the second expansion plate 202; when the second cylinder 202 is retracted into position, the second expansion plate 202 is retracted, and the coal on the proportioning belt 302 is conveyed to the third coal bunker 403.
In the actual bin allocation process, the control of the air cylinder and the stroke detection related to the automatic bin allocation system are completed in an automatic control mode of the controller, and the multi-link linkage automatic bin allocation control is realized by combining the height information of the coal level of the coal bin acquired by the detection sensor.
In one possible implementation, as shown in fig. 2, the controller 600 may include: one or more processors 601; a memory 602 for storing processor-executable instructions; wherein the processor is configured to: judging whether the coal level height of each coal bunker exceeds a first preset threshold value or not; under the condition that the coal level height of any coal bunker exceeds a first preset threshold value, the conveyor belt 300 is controlled to keep in a running state, and coal materials are conveyed to the coal bunker of which the coal level height does not exceed the first preset threshold value through controlling the stretching and retracting of the air cylinder 100.
The controller may further include: a power supply component 603 provides power to the various components of the controller 600. The power components 603 may also include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for the controller 600; a network interface 604, which can be connected to an external network or a higher-level control system; the input/output interface 605, as a bridge connecting the controller with the controlled devices (such as the cylinder and the conveyor belt) and the detecting elements (such as the detecting sensor), can receive the signals from the master element and the detecting sensor, and at the same time, can transmit the control signals to the cylinder and the conveyor belt to drive the cylinder and the conveyor belt to adjust the working state.
In an exemplary embodiment, the controller may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors, or other electronic components for implementing automatic binning control.
In a possible implementation manner, the Controller 600 may be a PLC (Programmable Logic Controller) installed in a control cabinet on a roadway wall, and the PLC has the advantages of strong control function, simple programming, high reliability, convenient implementation of process interlock, adaptability to complex coal mine transportation environments, convenient maintenance, online modification, and the like, and the PLC sequentially reads in all input states and data in a scanning manner, thereby implementing automatic bin allocation control, effectively improving bin allocation accuracy and efficiency, reducing human misoperation, and ensuring personnel safety.
In a possible implementation mode, the PLC can be connected with an upper computer through a network interface, the information such as the start-stop fault and the like of each device on site and the height of the coal bunker coal level is collected in real time and analyzed and processed, and a worker can send a control instruction to the transportation field device through a man-machine interface of the upper computer; and two-stage control (remote monitoring) of a PLC (programmable logic controller) and an upper computer is realized. In addition, in order to further improve the reliability of the PLC controller, the PLC controller may employ a redundant system formed by dual CPUs or a voting system using three CPUs. When a certain CPU breaks down, the controller can still normally operate, and the stability of the distribution work and the personnel safety are guaranteed.
It should be noted that although the multi-link auto-binning system based on bunker levels is described above by taking three bunkers and two cylinders disposed at specific locations as an example, those skilled in the art will appreciate that the present disclosure should not be limited thereto. In fact, the number and the positions of the coal bunkers and the air cylinders can be flexibly set by workers according to practical application scenes, and only the automatic coal bunker matching of each coal bunker can be completed by controlling the stretching of the air cylinders.
Therefore, through the air cylinder arranged above the conveyor belt in the disclosure, the air cylinder is connected with the expansion plate, and the expansion plate is used for adjusting the coal falling position of the conveyor belt; the conveying belt is arranged in the transportation roadway, and a plurality of coal bins are arranged below the conveying belt; the detection sensors are arranged on the inner bin walls of the coal bins and used for continuously monitoring the coal level height of each coal bin in the plurality of coal bins in real time and reporting the coal level height of the corresponding coal bin to the controller; and the controller is respectively connected with the conveyor belt, the air cylinder and the detection sensor and is used for controlling the expansion of the air cylinder and the working state of the conveyor belt according to the coal level height. The automatic bin allocation can be effectively realized, the accuracy of the bin allocation is improved, and the mechanical loss caused by manual misoperation is reduced; meanwhile, underground fixed watching personnel are reduced, and the personal safety and the working efficiency of coal mine workers are improved.
Fig. 3 shows a flow chart of a multi-link auto-bunkering method based on a bunker bay according to an embodiment of the present disclosure. As shown in fig. 3, the method comprises the steps of:
step S1, adjusting the coal falling position of a conveyor belt in a haulage roadway through a telescopic plate connected to an air cylinder, wherein the air cylinder is installed above the conveyor belt, and a plurality of coal bunkers are arranged below the conveyor belt;
step S2, continuously monitoring the coal level height of each coal bunker in the plurality of coal bunkers in real time through a detection sensor, and reporting the coal level height of the corresponding coal bunker to a controller;
and step S3, controlling the expansion of the cylinder and the working state of the conveyor belt according to the coal level height.
The automatic bunker allocation system in the fig. 1 is utilized, cylinder control and stroke detection are carried out through the coal bunker coal level detection sensor, the controller and the air cylinder, and multi-link linkage automatic bunker allocation control based on the coal bunker coal level is achieved.
In one possible implementation manner, the step S3 may include the following steps:
step S301, judging whether the coal level height of each coal bunker in the plurality of coal bunkers exceeds a first preset threshold value;
step S302, under the condition that the coal level height of any coal bunker does not exceed a first preset threshold value, controlling the conveyor belt to keep in a running state, and conveying coal to the coal bunker with the coal level height not exceeding the first preset threshold value by controlling the stretching of the air cylinder.
In a possible implementation manner, the step S302 may include:
step S30201, under the condition that the coal level height of the first coal bunker does not exceed a first preset threshold value, controlling a conveyor belt to keep a running state, and conveying coal to the first coal bunker by controlling the expansion and contraction of a first cylinder;
and S30202, under the condition that the coal level height of the second coal bunker or the third coal bunker does not exceed a first preset threshold, controlling the conveyor belt to keep in a running state, and conveying the coal to the second coal bunker or the third coal bunker by controlling the extension and retraction of the first air cylinder and the second air cylinder.
In a possible implementation manner, in step S30201, in the case that the coal level height of the first coal bunker does not exceed a first preset threshold, controlling the main inclined shaft belt to keep a running state, controlling the first cylinder to retract to the position, and conveying the coal of the main inclined shaft belt to the first coal bunker;
in step S30202, under the condition that the coal level height of the second bunker does not exceed a first preset threshold, controlling the main inclined shaft belt and the bunker allocation belt to keep running, and conveying the coal to the second bunker by controlling the first cylinder and the second cylinder to extend in place; and under the condition that the coal level height of the third coal bunker does not exceed a first preset threshold value, controlling the main inclined shaft belt and the bunker allocation belt to keep running states, and conveying coal to the third coal bunker by controlling the first air cylinder to extend to the position and the second air cylinder to retract to the position.
It should be noted that the first preset threshold may be set according to an actual working scenario, a coal bunker storage safety standard, and the like, and is not limited herein, and meanwhile, the above sequence for determining the coal level heights in the coal bunkers may be arranged according to actual production needs, for example, the coal level height of the second coal bunker may be determined first, then the coal level heights in the first coal bunker and the third coal bunker may be determined, or the coal level heights in one or two of the coal bunkers may be determined separately.
The following description is given by taking the sequence of sequentially judging the coal level heights in the first coal bunker, the second coal bunker and the third coal bunker as an example, wherein the first preset threshold value is 95%; as shown in FIG. 4, the coal levels of the coal bunkers are continuously monitored through a level meter, the coal level in the first coal bunker is monitored firstly, when the height of the coal level of the coal bunker in the first coal bunker is less than 95%, a main inclined shaft belt is started, the first air cylinder is controlled to be retracted to the position, and the process transports the mined coal to the first coal bunker. When the monitored coal level height of the first coal bunker is greater than 95%, judging the coal level height of the second coal bunker; judging whether a main inclined shaft belt is started or not when the coal level height of the second coal bunker is less than 95%, if so, finishing the control of the main inclined shaft belt (namely keeping the starting state of the main inclined shaft belt), otherwise, controlling the starting of the main inclined shaft belt; meanwhile, judging whether the distribution belt is started, if so, finishing the control of the distribution belt (namely keeping the starting state of the distribution belt), and otherwise, controlling the distribution belt to start; and simultaneously controlling the first cylinder and the second cylinder to extend to the position, and transporting the mined coal to the second coal bunker in the process. When the coal level height of the second coal bunker is detected to be more than 95%, the coal level height in a third coal bunker is judged; when the coal level height of the third coal bunker is less than 95%, judging whether a main inclined shaft belt is started, if so, finishing the belt control (namely keeping the starting state of the main inclined shaft belt), otherwise, controlling the main inclined shaft belt to be started, meanwhile, judging whether a bunker-matching belt is started, if so, finishing the belt control (namely keeping the starting state of the bunker-matching belt), otherwise, controlling the bunker-matching belt to be started; and meanwhile, the first cylinder is controlled to extend to the position, the second cylinder is controlled to retract to the position, and the process transports the mined coal to a third coal bunker. When the height of the coal level of the third coal bunker is greater than 95%, the coal level of the third coal bunker is close to the full coal bunker, coal is not easy to discharge, the main inclined shaft belt, the bunker-matching belt, the first air cylinder and the second air cylinder are stopped to be retracted in place, and the whole automatic bunker-matching process is finished.
In a possible implementation mode, in order to avoid frequent starting and shutdown of the conveyor belt motor, equipment maintenance and damage cost is reduced, and resources are saved. Before determining whether the coal level height of each coal bunker exceeds a first preset threshold in step S301, the method may further include:
step S300, judging whether the average coal level height of each coal bunker is lower than a second preset threshold, if so, further judging whether the coal level height of each coal bunker exceeds a first preset threshold. The setting range of the second preset threshold may be 10% to 90%, and specific values may be set according to actual needs, which are not limited herein.
For example, the coal level heights of a first coal bunker, a second coal bunker and a third coal bunker are monitored in real time through a material meter, the average coal bunker height of the three coal bunkers is obtained, when the average coal bunker height is lower than 70%, automatic control of bunker allocation is triggered, and the controller starts the automatic bunker allocation process.
The automatic coal bunker allocation method has the advantages that the coal bunker coal level sensing detection technology, the air cylinder detection control technology and the air cylinder stroke detection technology are adopted, and the method of combining logic judgment is adopted, so that the automatic control of the belt motor and the air cylinder expansion control is completed, the automatic coal bunker allocation method for mining is realized, the accuracy of coal bunker allocation is improved, and the mechanical loss caused by manual misoperation is reduced. The problem that personnel need to stare at the guard all the time in the underground coal mine bin allocation process is effectively solved, the system operation mode and the multi-link control flow are optimized, the fixed value guard position of the bin allocation can be reduced, and the personnel safety and the working efficiency are improved.
Fig. 5 shows a block diagram of a multi-link auto-bunkering apparatus based on a bunker bay according to an embodiment of the present disclosure. As shown in fig. 5, the apparatus includes:
the coal dropping position adjusting module 41 is used for adjusting the coal dropping position of the conveyor belt in the transportation roadway through a telescopic plate connected to the air cylinder;
the coal level height monitoring module 42 is used for continuously monitoring the coal level height of each coal bunker in the plurality of coal bunkers in real time through the detection sensor and reporting the coal level height of the corresponding coal bunker to the controller;
and the control module 43 is used for controlling the expansion of the cylinder and the working state of the conveyor belt according to the coal level height.
In one possible implementation, the control module 43 includes:
the judgment submodule is used for judging whether the coal level height of each coal bunker in the plurality of coal bunkers exceeds a first preset threshold value or not;
and the control submodule is used for controlling the conveyor belt to keep in a running state under the condition that the coal level height of any coal bunker does not exceed a first preset threshold value, and conveying the coal to the coal bunker with the coal level height not exceeding the first preset threshold value by controlling the stretching and retracting of the air cylinder.
In one possible implementation, the control sub-module includes:
the first coal bunker control unit is used for controlling the main inclined shaft belt to keep a running state and controlling the first cylinder to retract in place under the condition that the coal level height of the first coal bunker does not exceed a first preset threshold value, and conveying the coal of the main inclined shaft belt to the first coal bunker;
the second coal bunker control unit is used for controlling the main inclined shaft belt and the bunker allocation belt to keep running under the condition that the coal level height of the second coal bunker does not exceed a first preset threshold value, and conveying coal to the second coal bunker by controlling the first air cylinder and the second air cylinder to extend in place;
and the third coal bunker control unit is used for controlling the main inclined shaft belt and the bunker allocation belt to keep running under the condition that the coal level height of the third coal bunker does not exceed a first preset threshold value, and conveying coal to the third coal bunker by controlling the first air cylinder to extend to the position and the second air cylinder to retract to the position.
In a possible implementation manner, the device further includes a pre-determination module, configured to determine whether an average coal level height of each coal bunker is lower than a second preset threshold, and if so, further determine whether the coal level height of each coal bunker exceeds a first preset threshold.
In an exemplary embodiment, a non-transitory computer readable storage medium, such as the memory 602, is also provided, including computer program instructions executable by the processor 601 of the apparatus 600 to perform the above-described method.
The present disclosure may be systems, methods, and/or computer program products. The computer program product may include a computer-readable storage medium having computer-readable program instructions embodied thereon for causing a processor to implement various aspects of the present disclosure.
The computer readable storage medium may be a tangible device that can hold and store the instructions for use by the instruction execution device. The computer readable storage medium may be, for example, but not limited to, an electronic memory device, a magnetic memory device, an optical memory device, an electromagnetic memory device, a semiconductor memory device, or any suitable combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), a Static Random Access Memory (SRAM), a portable compact disc read-only memory (CD-ROM), a Digital Versatile Disc (DVD), a memory stick, a floppy disk, a mechanical coding device, such as punch cards or in-groove projection structures having instructions stored thereon, and any suitable combination of the foregoing. Computer-readable storage media as used herein is not to be construed as transitory signals per se, such as radio waves or other freely propagating electromagnetic waves, electromagnetic waves propagating through a waveguide or other transmission medium (e.g., optical pulses through a fiber optic cable), or electrical signals transmitted through electrical wires.
The computer-readable program instructions described herein may be downloaded from a computer-readable storage medium to a respective computing/processing device, or to an external computer or external storage device via a network, such as the internet, a local area network, a wide area network, and/or a wireless network. The network may include copper transmission cables, fiber optic transmission, wireless transmission, routers, firewalls, switches, gateway computers and/or edge servers. The network adapter card or network interface in each computing/processing device receives computer-readable program instructions from the network and forwards the computer-readable program instructions for storage in a computer-readable storage medium in the respective computing/processing device.
The computer program instructions for carrying out operations of the present disclosure may be assembler instructions, Instruction Set Architecture (ISA) instructions, machine-related instructions, microcode, firmware instructions, state setting data, or source or object code written in any combination of one or more programming languages, including an object oriented programming language such as Smalltalk, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The computer-readable program instructions may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider). In some embodiments, the electronic circuitry that can execute the computer-readable program instructions implements aspects of the present disclosure by utilizing the state information of the computer-readable program instructions to personalize the electronic circuitry, such as a programmable logic circuit, a Field Programmable Gate Array (FPGA), or a Programmable Logic Array (PLA).
Various aspects of the present disclosure are described herein with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the disclosure. It will be understood that each block of the flowchart illustrations and/or block diagrams, and combinations of blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer-readable program instructions.
These computer-readable program instructions may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions/acts specified in the flowchart and/or block diagram block or blocks. These computer-readable program instructions may also be stored in a computer-readable storage medium that can direct a computer, programmable data processing apparatus, and/or other devices to function in a particular manner, such that the computer-readable medium storing the instructions comprises an article of manufacture including instructions which implement the function/act specified in the flowchart and/or block diagram block or blocks.
The computer readable program instructions may also be loaded onto a computer, other programmable data processing apparatus, or other devices to cause a series of operational steps to be performed on the computer, other programmable apparatus or other devices to produce a computer implemented process such that the instructions which execute on the computer, other programmable apparatus or other devices implement the functions/acts specified in the flowchart and/or block diagram block or blocks.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of instructions, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
Having described embodiments of the present disclosure, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terms used herein were chosen in order to best explain the principles of the embodiments, the practical application, or technical improvements to the techniques in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (6)
1. The utility model provides an automatic storehouse system of joining in marriage of multiloop based on coal bunker coal position which characterized in that includes:
the cylinder is arranged above the conveyor belt and is connected with a telescopic plate, and the telescopic plate is used for adjusting the coal falling position of the conveyor belt;
the conveying belt is arranged in the transportation roadway, and a plurality of coal bins are arranged below the conveying belt;
the detection sensor is arranged on the inner bin wall of each coal bin and is used for continuously monitoring the coal level height of each coal bin in the plurality of coal bins in real time and reporting the coal level height of the corresponding coal bin to the controller;
a controller respectively connected with the conveyor belt, the cylinder and the detection sensor and used for controlling the expansion of the cylinder and the working state of the conveyor belt according to the height of the coal level,
the conveying belt comprises a main inclined shaft belt and a bin distribution belt, and a coal breakage gap is reserved at the lap joint of the main inclined shaft belt and the bin distribution belt; a first coal bunker is arranged below the coal falling space; a second coal bunker is arranged below the middle part of the bunker-matching belt, and a third coal bunker is arranged below the coal dropping end of the bunker-matching belt;
the cylinders comprise a first cylinder and a second cylinder; the first cylinder is arranged above the coal falling space, the second cylinder is arranged above the middle part of the distribution belt,
the first cylinder is connected with a first expansion plate, under the condition that the first cylinder extends to a position, two ends of the first expansion plate are respectively lapped at a coal falling end of the main inclined shaft belt and a coal feeding end of the bunker-making belt, and coal of the main inclined shaft belt is conveyed to the bunker-making belt through the first expansion plate; under the condition that the first cylinder is contracted to the right position, the coal material of the main inclined shaft belt is conveyed to a first coal bunker through coal falling;
the second cylinder is connected with a second expansion plate, the second expansion plate separates the bunker-matching belt under the condition that the second cylinder extends to a position, and coal on the bunker-matching belt is conveyed to a second coal bunker through the second expansion plate; and under the condition that the second cylinder is contracted to the right position, the coal on the bunker-matching belt is conveyed to a third coal bunker.
2. The system of claim 1, wherein the controller is a PLC controller mounted in a control cabinet on a wall of the roadway, the PLC controller comprising:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to:
judging whether the coal level height of each coal bunker exceeds a first preset threshold value or not;
and under the condition that the coal level height of any coal bunker exceeds a first preset threshold value, the conveyor belt is controlled to keep in a running state, and the coal is conveyed to the coal bunker of which the coal level height does not exceed the first preset threshold value through controlling the stretching and retracting of the air cylinder.
3. A multi-link automatic bunker allocation method based on a bunker coal position is characterized by comprising the following steps:
adjusting the coal falling position of a conveyor belt in a transportation roadway through a telescopic plate connected to an air cylinder, wherein the air cylinder is arranged above the conveyor belt, and a plurality of coal bins are arranged below the conveyor belt;
continuously monitoring the coal level height of each coal bunker in a plurality of coal bunkers in real time through a detection sensor, and reporting the coal level height of the corresponding coal bunker to a controller;
controlling the expansion of the cylinder and the working state of the conveyor belt according to the height of the coal level,
wherein, according to the flexible and conveyer belt's of coal level height control cylinder operating condition includes:
judging whether the coal level height of each coal bunker in the plurality of coal bunkers exceeds a first preset threshold value or not;
under the condition that the coal level height of any coal bunker does not exceed a first preset threshold value, the conveyor belt is controlled to keep running state, and the coal is conveyed to the coal bunker with the coal level height not exceeding the first preset threshold value through controlling the stretching and retracting of the air cylinder,
under the condition that the coal level height of any coal bunker does not exceed a first preset threshold value, the conveyor belt is controlled to keep in a running state, and coal materials are conveyed to the coal bunker, the coal level height of which does not exceed the first preset threshold value, through the expansion and contraction of the control cylinder, and the coal bunker coal level height control device comprises:
under the condition that the coal level height of the first coal bunker does not exceed a first preset threshold value, controlling the main inclined shaft belt to keep a running state, controlling the first cylinder to retract in place, and conveying coal of the main inclined shaft belt to the first coal bunker;
under the condition that the coal level height of the second coal bunker does not exceed a first preset threshold value, controlling a main inclined shaft belt and a bunker allocation belt to keep running states, and conveying coal to the second coal bunker by controlling a first air cylinder and a second air cylinder to extend in place;
and under the condition that the coal level height of the third coal bunker does not exceed a first preset threshold value, controlling the main inclined shaft belt and the bunker allocation belt to keep running states, and conveying coal to the third coal bunker by controlling the first cylinder to extend to the position and the second cylinder to retract to the position.
4. The method of claim 3, further comprising, prior to determining whether the level height of each bunker exceeds a first predetermined threshold:
and judging whether the average coal level height of each coal bunker is lower than a second preset threshold, if so, further judging whether the coal level height of each coal bunker exceeds a first preset threshold.
5. The utility model provides an automatic storehouse device of joining in marriage of multiregion based on coal bunker coal position which characterized in that includes:
the coal dropping position adjusting module is used for adjusting the coal dropping position of the conveyor belt in the transportation roadway through a telescopic plate connected to the cylinder;
the coal level height monitoring module is used for continuously monitoring the coal level height of each coal bunker in the plurality of coal bunkers in real time through the detection sensor and reporting the coal level height of the corresponding coal bunker to the controller;
the control module is used for controlling the expansion of the cylinder and the working state of the conveyor belt according to the height of the coal level,
the control module includes:
the judgment submodule is used for judging whether the coal level height of each coal bunker in the plurality of coal bunkers exceeds a first preset threshold value or not;
the control submodule is used for controlling the conveyor belt to keep running under the condition that the coal level height of any coal bunker does not exceed a first preset threshold value, and conveying coal to the coal bunker with the coal level height not exceeding the first preset threshold value through controlling the stretching and retracting of the air cylinder,
the control sub-module includes:
the first coal bunker control unit is used for controlling the main inclined shaft belt to keep a running state and controlling the first cylinder to retract in place under the condition that the coal level height of the first coal bunker does not exceed a first preset threshold value, and conveying the coal of the main inclined shaft belt to the first coal bunker;
the second coal bunker control unit is used for controlling the main inclined shaft belt and the bunker allocation belt to keep running under the condition that the coal level height of the second coal bunker does not exceed a first preset threshold value, and conveying coal to the second coal bunker by controlling the first air cylinder and the second air cylinder to extend in place;
and the third coal bunker control unit is used for controlling the main inclined shaft belt and the bunker allocation belt to keep running under the condition that the coal level height of the third coal bunker does not exceed a first preset threshold value, and conveying coal to the third coal bunker by controlling the first air cylinder to extend to the position and the second air cylinder to retract to the position.
6. A non-transitory computer readable storage medium having stored thereon computer program instructions, wherein the computer program instructions, when executed by a processor, implement the method of any of claims 3 to 4.
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| CN111115288A (en) * | 2020-01-13 | 2020-05-08 | 淮北矿业股份有限公司 | System for automatically positioning and matching coal bunker and using method thereof |
| CN111170036A (en) * | 2020-02-25 | 2020-05-19 | 淮北矿业股份有限公司 | Automatic positioning bin matching system for moving belt of clean coal bin |
| CN113902311B (en) * | 2021-10-14 | 2024-05-10 | 华北电力科学研究院有限责任公司 | Coal conveying method and device |
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Denomination of invention: A multi link automatic warehouse allocation system and method based on coal level in coal bunkers Effective date of registration: 20230614 Granted publication date: 20210615 Pledgee: Liaoning Dashiqiao Rural Commercial Bank Co.,Ltd. Pledgor: Zhang Zhanjun Registration number: Y2023210000146 |
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