CN114535126B - Colliery is colliery belt continuous transportation's coal gangue intelligent separation device in pit - Google Patents
Colliery is colliery belt continuous transportation's coal gangue intelligent separation device in pit Download PDFInfo
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- CN114535126B CN114535126B CN202210103797.2A CN202210103797A CN114535126B CN 114535126 B CN114535126 B CN 114535126B CN 202210103797 A CN202210103797 A CN 202210103797A CN 114535126 B CN114535126 B CN 114535126B
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- 239000003245 coal Substances 0.000 title claims abstract description 136
- 238000000926 separation method Methods 0.000 title claims abstract description 29
- 238000005303 weighing Methods 0.000 claims abstract description 60
- 239000000463 material Substances 0.000 claims abstract description 54
- 230000010365 information processing Effects 0.000 claims abstract description 33
- 210000000078 claw Anatomy 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims description 13
- 238000012545 processing Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000012549 training Methods 0.000 claims description 2
- 239000002390 adhesive tape Substances 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010924 continuous production Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005065 mining Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/16—Sorting according to weight
- B07C5/18—Sorting according to weight using a single stationary weighing mechanism
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/38—Collecting or arranging articles in groups
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Abstract
The invention discloses an intelligent coal gangue sorting device based on continuous transportation of coal mine underground rubber belts, which comprises a power device, a conveying device, a lifting device and an identification and separation device, wherein the power device is used for conveying coal mine underground rubber belts; the power device comprises a connecting belt, a belt pulley and a carrier roller, wherein the carrier roller transmits power to drive the belt pulley and the connecting belt to rotate; the conveying device comprises a conveying belt, a gangue putting box and a gangue conveying belt and is responsible for conveying coal materials and gangue; the lifting device comprises a guide rail, a crab claw separating device and a lifting belt and is responsible for separating and transporting the massive coal; the identification and separation device comprises a feed box, a chute, a camera device, a weighing device, a controller and an information processing device, wherein the feed box divides coal into a chute and queues the chute, the weighing device identifies the chute, and then the baffle is controlled to open and close to drop gangue. The device separates coal materials extracted from a working face through a continuous process, can be installed in a gateway or a main roadway to separate coal from gangue, and is different from the fact that the device is limited in a single chamber in the past.
Description
Technical Field
The invention relates to an intelligent coal gangue sorting device based on continuous transportation of underground coal mine rubber belts, and belongs to the technical field of coal mining.
Background
The coal gangue separation in the coal mine production process is an important link all the time in China as a large country of coal, and the process is generally carried out when coal materials are conveyed to the ground; the accumulated gangue hill generated by separation, the separated waste water and the like can cause considerable threat to the environment, and serious pollution is caused; therefore, the gangue can not go out of the well as much as possible, the gangue is separated and utilized underground, the problem that important attention is paid to future coal mine enterprises is solved, most underground gangue treatment devices are mostly processed in a centralized way in a single chamber nowadays, a new chamber is required to be opened up, production is influenced because the gangue is intermittently transported, and the equipment is fixed and needs to be opened up when moving; therefore, a coal gangue separation device which does not affect underground production and is convenient to disassemble and assemble in continuous transportation is urgently needed.
Disclosure of Invention
The invention aims to provide an intelligent coal gangue sorting device based on continuous transportation of coal mine underground rubber belts, which has strong continuity, does not influence normal transportation of the belts and does not delay production.
The invention provides an intelligent coal gangue sorting device based on continuous transportation of coal mine underground rubber belts, which comprises a power device, a conveying device, a lifting device and an identification and separation device, wherein the power device is used for conveying coal mine underground rubber belts; the power device comprises a connecting belt, a belt pulley and a carrier roller, wherein the carrier roller transmits power to drive the belt pulley and the connecting belt to rotate; the conveying device comprises a conveying belt, a gangue putting box and a gangue conveying belt and is responsible for conveying coal materials and gangue; the lifting device comprises a guide rail, a crab claw separating device and a lifting belt and is responsible for separating and transporting the massive coal; the identification and separation device comprises a feed box, a chute, a camera device, a weighing device, a controller and an information processing device, wherein the feed box divides coal into a chute and queues the chute, the weighing device identifies the chute, and then the baffle is controlled to open and close to drop gangue.
The power device consists of a carrier roller, a small belt pulley, a middle belt pulley, a large belt pulley and a connecting belt; the conveying device consists of a conveying belt, a gangue putting box and a gangue conveying belt; the lifting device comprises a guide rail, a crab claw separating device and a lifting belt; the identification and separation device comprises a feed box, a chute, a weighing device, a camera device, a baffle, a controller and an information processing device;
the guide rail is arranged above the underground mining conveyor belt and buried in the coal, the tail end of the guide rail is approximately flush with the upper surface of the coal, and baffles are arranged on two sides of the front end of the guide rail; the crab claw separating device is positioned at a position 20mm above the tail end of the guide rail, the tail end of the crab claw separating device is connected with the lifting belt, the crab claw separating device and the lifting belt are both obliquely arranged, and the inclination angle ensures that coal cannot slide on the lifting belt;
the bin is positioned below the tail end of the lifting belt, the middle of the bottom of the bin is conical and bulges, eight discharge holes are uniformly distributed at the bottom of the side edge along the circumferential direction, the discharge holes are connected with the chute, the chute is obliquely arranged on the disc, the inclination angle is 10-15 degrees, and the coal slides on the chute by utilizing the tangential force of the coal during the inclination and the centrifugal force generated during the rotation; a weighing device and a camera device are arranged at the tail end of each chute; the tail end of the chute is provided with an openable baffle;
the weighing device is positioned at the tail end of the chute, the middle of the weighing device is fixed with the inner edge of the chute, the front side and the rear side of the weighing device form a wane shape with the fixed position, the front-rear inclined angle is larger than 50 degrees when the weighing device is turned up, the front-rear inclined angle is larger than the internal friction angle of the blocky coal, and the lower part of the weighing device is provided with a baffle plate for preventing the coal from sliding off when the weighing device is turned up;
the information processing device is positioned in the middle of the upper part of the disc, the controller is positioned at the boundary of the disc and is connected with the bottom of the tail end of the chute, and the information processing device is connected with the controller through a cable; the information processing device is a miniature embedded fan-free industrial computer; the controller controls the opening and closing of the baffle by changing the state of the motor; in the identification and separation device, an information processing device analyzes the volume and the density of the coal according to the weight data transmitted by a weighing device and the picture data of a camera device, and the combined picture data is used for analyzing the gray scale characteristics of the surface of the coal, and the results of the two are weighted to be used as the basis for judging the coal and the gangue; the information processing device can learn in the identification process, and takes the sorting result of early manual intervention as a training model, so that the identification accuracy is gradually improved.
The gangue throwing box is fixed on a support column of the support, the support column is a quadrangular prism, and a plurality of support columns jointly form the support for supporting; the gangue conveyor belt is positioned at the outlet of the lower part of the gangue putting box;
the identification and separation device is supported by the middle steel column and suspended on the support, the whole identification and separation device completes work in rotation, the identified coal material runs in a parabolic manner after the baffle is opened, and the gangue feeding box and one side of the conveyor belt are provided with baffles for blocking the coal material.
The guide rail comprises a plurality of curved columnar rods, the distance between two adjacent rods is 50mm, the blocky coal which is greater than 50mm in the crushed coal by the crusher moves to the surface of the coal, the baffle plates on two sides prevent the blocky coal from falling out of the belt in the surface movement process, and the front ends of the columnar rods are sharp, so that the blockage of the coal is prevented.
The information processing device is a miniature embedded fan-free industrial computer, and the controller controls the opening and closing of the baffle by changing the state of the motor.
The lower part of the front end of the weighing device is provided with a spring, the weighing is carried out according to the compression amount of the spring, and the weighing of the coal is completed when the front end sinks; transmitting the data to a controller, transmitting the data to an information processing device together with image information of the image pickup device, processing the data by the information processing device, and then sending an instruction to the controller to control the baffle to open and close at different positions so as to finish identification and separation;
the power device adjusts the operation speed of the lifting belt and the identification separation device by adjusting the sizes of belt pulleys of all parts, the belt stops running, and the whole device stops running; according to v=pi×d×n, where V-linear speed, D-pulley diameter, n-rotational speed; the diameter D of the belt pulley is inversely proportional to the rotating speed n, and the size of n is adjusted by adjusting the size of D.
The invention provides a method for intelligently sorting coal gangue by adopting the device, which comprises the following steps:
a. the coal materials crushed by the crusher are conveyed by a conveyor belt, and are lifted to the surface by a guide rail block;
b. the crab claw separating device sends the blocky coal materials to the lifting belt through the rotation of the crab claws, and the blocky coal materials fall into the feed box at the tail end of the lifting belt;
c. the blocky coal materials entering the feed box enter a chute at the lower end, slide in a single row in the chute, enter a weighing device at the tail end, lift up the rear end of the weighing device after the coal materials enter the weighing device, block the next coal materials from entering, and simultaneously start photographing by a camera device;
d. the weighing device and the camera device transmit acquired data to the information processing device through a cable, the information processing device analyzes the volume and the density of the coal material through the weight data transmitted by the weighing device and the picture data of the camera device, the surface gray scale characteristics of the coal material are analyzed by combining the picture data, the density analysis result and the surface gray scale characteristic result are weighted, the final judgment is made, after the identification judgment is made, the information processing device sends out an instruction, the controller controls the opening and closing position of the baffle at the tail end of the chute, if the judgment is gangue, the controller opens above the gangue throwing box, and if the judgment is gangue, the controller opens above the conveyor belt;
e. after the coal material falls, the tail end of the weighing device falls, the baffle is closed, the next coal material enters, the identification process is continued, and the cycle is repeated;
f. and the fallen gangue falls onto the gangue conveyor belt from the gangue putting box, and is transported back to the goaf.
The invention has the beneficial effects that:
the device simple structure does not hinder continuous transportation, and convenient dismantlement is the belt and attaches the device outward, does not influence production, has important meaning to solving underground coal gangue processing problem.
1, the invention designs the coal gangue sorting external device based on the underground conveying belt, under the condition of sorting the coal gangue, the normal underground production and the transportation of coal materials are not influenced, and the efficiency is improved;
2 the power used in the invention is mostly from the power during belt transportation, the belt pulley and the connecting belt are driven to rotate by the power of the carrier roller driving belt, so that the whole device is driven to operate, the existence of a high-power source is reduced, the operating speed of the whole device is in a proportional relation with the speed of the conveying belt, and the operating speed of each device can be regulated by regulating the size of the belt pulley;
the identification process of the invention utilizes the weighted results of the image gray level identification and the density identification to judge the coal, so that the judgment result is more accurate.
Drawings
FIG. 1 is a schematic diagram of an intelligent gangue sorting device based on continuous transportation of coal mine underground rubber belts.
Fig. 2 is an enlarged schematic view of the identification and separation arrangement.
Fig. 3 is an enlarged schematic view of the power plant.
Fig. 4 is an enlarged schematic view of the guide rail.
In the figure: 1. a conveyor belt; 2. a guide rail; 3. crab claw separating device; 4. lifting the belt; 5. a feed box; 6. a chute; 7. a weighing device; 8. an image pickup device; 9. a baffle; 10. a controller; 11. an information processing device; 12. a gangue putting box; 13. a gangue conveyor belt; 14. a carrier roller; 15. a belt pulley; 15a, small pulleys; 15b, a middle belt pulley; 15c, large belt pulley; 16. a connecting belt; 17. and (3) a bracket.
Detailed Description
The present invention is further illustrated by, but not limited to, the following examples.
Example 1
As shown in fig. 1-4, an intelligent coal gangue sorting device based on continuous transportation of coal mine underground rubber belts comprises a power device, a conveying device, a lifting device and an identification and separation device.
The power device consists of a carrier roller 14, a small belt pulley 15a, a middle belt pulley 15b, a large belt pulley 15c and a connecting belt 16;
the conveying device consists of a mining underground conveying belt 1, a gangue putting box 12 and a gangue conveying belt 13;
the lifting device comprises a guide rail 2, a crab claw separating device 3 and a lifting belt 4;
the identification and separation device comprises a feed box 5, a chute 6, a weighing device 7, a camera device 8, a baffle 9, a controller 10 and an information processing device 11;
the guide rail 2 is arranged above the mining underground conveyor belt 1, buried in coal, and provided with baffles at two sides at the front end, wherein the tail end is approximately flush with the upper surface of the coal; the crab claw separating device 3 is positioned at a position 20mm above the tail end of the guide rail 2, the tail end is connected with the lifting belt 4, and is obliquely placed together with the lifting belt, and the inclination angle ensures that coal cannot slide on the lifting belt;
the material box 5 is positioned below the tail end of the lifting belt 4, the middle of the bottom of the material box is conical and bulges, the bottoms of the side edges are uniformly distributed with eight discharge holes along the circumferential direction, the discharge holes are connected with the chute 6, the chute 6 is obliquely arranged on the disc, the inclination angle is 10-15 degrees, and the coal slides on the chute by utilizing the tangential force of the coal during the inclination and the centrifugal force generated during the rotation; a weighing device 7 and a camera device 8 are arranged at the tail end of each chute; the tail end of the chute is provided with an openable baffle 9;
the weighing device 7 is positioned at the tail end of the chute 6, the middle of the weighing device 7 is fixed with the inner edge of the chute, the front side and the rear side of the weighing device are in a wane shape with the fixed position, the front-rear inclined angle is larger than 50 degrees when the weighing device is turned up, the weighing device is larger than the internal friction angle of the blocky coal material, and the lower part of the weighing device is provided with a baffle plate for preventing the coal material from sliding down when the weighing device is turned up;
the information processing device 11 is positioned in the middle of the upper part of the disc, the controller 10 is positioned at the boundary of the disc and is connected with the bottom of the tail end of the chute, and the information processing device is connected with the controller through a cable; the information processing device is a miniature embedded fanless industrial computer, and the controller controls the closing of the baffle by changing the state of the motor.
The gangue putting box 12 is fixed on a support column of the support, the support column is a quadrangular prism, and a plurality of support columns jointly form the support for supporting; the gangue conveyor belt 13 is positioned in the middle of the outlet of the lower part of the gangue putting box 12;
the identification and separation device is supported by the middle steel column and suspended on the support, the whole identification and separation device completes work in rotation, the identified coal material runs in a parabolic manner after the baffle is opened, and the gangue feeding box and one side of the conveyor belt are provided with baffles for blocking the coal material.
The guide rail consists of a plurality of bent columnar rods, the distance between two adjacent rods is 50mm, so that blocky coal materials larger than 50mm in the coal materials crushed by the crusher move to the surface of the coal materials, the baffle plates on two sides prevent the blocky coal materials from falling out of the belt in the process of moving to the surface, and the front ends of the columnar rods are sharp, so that the coal materials are prevented from being blocked; as shown in fig. 4.
The lower part of the front end of the weighing device is provided with a spring, the weighing is carried out according to the compression amount of the spring, and the weighing of the coal is completed when the front end sinks; transmitting the data to a controller, transmitting the data to an information processing device together with image information of the image pickup device, processing the data by the information processing device, and then sending an instruction to the controller to control the baffle to open and close at different positions so as to finish identification and separation;
the power device adjusts the operation speed of the lifting belt and the identification separation device by adjusting the sizes of belt pulleys of all parts, the belt stops running, and the whole device stops running; according to v=pi×d×n, where V-linear speed, D-pulley diameter, n-rotational speed; the diameter D of the belt pulley is inversely proportional to the rotating speed n, and the size of n is adjusted by adjusting the size of D.
As shown in the figure, the simulation experiment method of the invention comprises the following steps:
a. the crushed coal materials of the crusher are conveyed by a conveyor belt 1, and the blocky coal materials are lifted to the surface of the coal materials by a guide rail 2;
b. the crab claw separating device 3 sends the blocky coal materials to the lifting belt 4 through the rotation of the crab claws, and falls into the feed box 5 at the tail end of the lifting belt;
c. the blocky coal materials entering the feed box 5 enter a chute 6 at the lower end, are arranged in a single row in the chute and enter a weighing device 7 at the tail end, after the coal materials enter the weighing device, the rear end of the weighing device is lifted up to block the next coal materials, and meanwhile, a camera device 8 starts shooting;
d. the weighing device 7 and the camera device 8 transmit acquired data to the information processing device 11, the information processing device 11 analyzes the volume and the density of the coal material through the weight data transmitted by the weighing device and the picture data transmitted by the camera device, the surface gray scale characteristics of the coal material are analyzed by combining the picture data, the density analysis result and the surface gray scale characteristic result are weighted, the final judgment is made, after the identification judgment is carried out, an instruction is sent, the controller 10 controls the opening and closing position of a baffle at the tail end of the chute, if the chute is opened at the gangue putting box 12, and if the chute is opened on the conveyor belt 1, the coal material is opened;
e. after the coal material falls in a parabolic manner, the tail end of the weighing device 7 falls, the baffle 9 is closed, the next coal material enters, the recognition process is continued, and the cycle is repeated;
f. the fallen gangue falls from the gangue putting box 12 onto the gangue conveyor belt 13 and is transported back to the goaf.
Claims (6)
1. An intelligent coal gangue sorting device based on continuous transportation of underground coal mine rubber belts is characterized in that: the device comprises a power device, a transmission device, a lifting device and an identification and separation device; the power device comprises a connecting belt, a belt pulley and a carrier roller, wherein the carrier roller transmits power to drive the belt pulley and the connecting belt to rotate; the conveying device comprises a conveying belt, a gangue putting box and a gangue conveying belt and is responsible for conveying coal materials and gangue; the lifting device comprises a guide rail, a crab claw separating device and a lifting belt and is responsible for separating and transporting the massive coal; the identification and separation device comprises a feed box, a chute, a camera device, a weighing device, a controller and an information processing device, wherein the feed box divides coal materials, the chute is used for queuing, the weighing device is used for identification, and then a baffle is controlled to open and close to drop gangue;
the guide rail is arranged above the mine underground roadway belt, is buried in the coal, the tail end of the guide rail is approximately flush with the upper surface of the coal, and baffles are arranged on two sides of the front end of the guide rail; the crab claw separating device is positioned at a position 20mm above the tail end of the guide rail, the tail end of the crab claw separating device is connected with the lifting belt, the crab claw separating device and the lifting belt are both obliquely arranged, and the inclination angle ensures that coal cannot slide on the lifting belt;
the bin is positioned below the tail end of the lifting belt, the middle of the bottom of the bin is conical and bulges, eight discharge holes are uniformly distributed at the bottom of the side edge along the circumferential direction, the discharge holes are connected with the chute, the chute is obliquely arranged on the disc, the inclination angle is 10-15 degrees, and the coal slides on the chute by utilizing the tangential force of the coal during the inclination and the centrifugal force generated during the rotation; a weighing device and a camera device are arranged at the tail end of each chute; the tail end of the chute is provided with an openable baffle;
the weighing device is positioned at the tail end of the chute, the middle of the weighing device is fixed with the inner edge of the chute, the front side and the rear side of the weighing device form a wane shape with the fixed position, the front-rear inclined angle is larger than 50 degrees when the weighing device is turned up, the front-rear inclined angle is larger than the internal friction angle of the blocky coal, and the lower part of the weighing device is provided with a baffle plate for preventing the coal from sliding off when the weighing device is turned up;
the information processing device is positioned in the middle of the upper part of the disc, the controller is positioned at the boundary of the disc and is connected with the bottom of the tail end of the chute, and the information processing device is connected with the controller through a cable;
in the identification and separation device, an information processing device analyzes the volume and the density of the coal according to the weight data transmitted by a weighing device and the picture data transmitted by a camera device, and the combined picture data is used for analyzing the gray scale characteristics of the surface of the coal, and the results of the two are weighted to be used as the basis for judging the coal and the gangue; the information processing device can learn in the identification process, and takes the sorting result of early manual intervention as a training model, so that the identification accuracy is gradually improved.
2. The intelligent coal gangue sorting device based on continuous transportation of coal mine underground rubber belts, which is characterized in that:
the gangue throwing box is fixed on a support column of the support, the support column is a quadrangular prism, and a plurality of support columns jointly form the support for supporting; the gangue conveyor belt is positioned at the outlet of the lower part of the gangue putting box;
the identification and separation device is supported by the middle steel column and suspended on the support, the whole identification and separation device completes work in rotation, the identified coal material runs in a parabolic manner after the baffle is opened, and the gangue feeding box and one side of the conveyor belt are provided with baffles for blocking the coal material.
3. The intelligent coal gangue sorting device based on continuous transportation of coal mine underground rubber belts, which is characterized in that:
the guide rail comprises a plurality of curved columnar rods, the distance between two adjacent rods is 50mm, the blocky coal which is greater than 50mm in the crushed coal by the crusher moves to the surface of the coal, the baffle plates on two sides prevent the blocky coal from falling out of the belt in the surface movement process, and the front ends of the columnar rods are sharp, so that the blockage of the coal is prevented.
4. The intelligent coal gangue sorting device based on continuous transportation of coal mine underground rubber belts, which is disclosed in claim 1, is characterized in that the information processing device is a miniature embedded fan-free industrial computer, and the controller controls the opening and closing of the baffle by changing the state of the motor.
5. The intelligent coal gangue sorting device based on continuous transportation of coal mine underground rubber belts, which is characterized in that:
the lower part of the front end of the weighing device is provided with a spring, the weighing is carried out according to the compression amount of the spring, and the weighing of the coal is completed when the front end sinks; transmitting the data to a controller, transmitting the data to an information processing device together with image information of the image pickup device, processing the data by the information processing device, and then sending an instruction to the controller to control the baffle to open and close at different positions so as to finish identification and separation;
the power device adjusts the operation speed of the lifting belt and the identification separation device by adjusting the sizes of belt pulleys of all parts, the belt stops running, and the whole device stops running; according to v=pi×d×n, where V-linear speed, D-pulley diameter, n-rotational speed; the diameter D of the belt pulley is inversely proportional to the rotating speed n, and the size of n is adjusted by adjusting the size of D.
6. An intelligent coal gangue sorting method based on continuous transportation of underground coal mine adhesive tape, which adopts the intelligent coal gangue sorting device based on continuous transportation of underground coal mine adhesive tape according to any one of claims 1-5, is characterized by comprising the following steps:
a. the coal materials crushed by the crusher are conveyed by a conveyor belt, and are lifted to the surface by a guide rail block;
b. the crab claw separating device sends the blocky coal materials to the lifting belt through the rotation of the crab claws, and the blocky coal materials fall into the feed box at the tail end of the lifting belt;
c. the blocky coal materials entering the feed box enter a chute at the lower end, slide in a single row in the chute, enter a weighing device at the tail end, lift up the rear end of the weighing device after the coal materials enter the weighing device, block the next coal materials from entering, and simultaneously start photographing by a camera device;
d. the weighing device and the camera device transmit acquired data to the information processing device, the information processing device analyzes the volume and the density of the coal material through the weight data transmitted by the weighing device and the picture data of the camera device, the surface gray scale characteristics of the coal material are analyzed by combining the picture data, the density analysis result and the surface gray scale characteristic result are weighted, the final judgment is made, after the identification judgment, an instruction is sent out, the controller controls the opening and closing position of the baffle at the tail end of the chute, if the gangue is opened at the gangue throwing box, if the gangue is opened on the conveyor belt;
e. after the coal material falls, the rear end of the weighing device falls, the baffle is closed, the next coal material enters, the recognition process is continued, and the cycle is repeated;
f. and the fallen gangue falls onto the gangue conveyor belt from the gangue putting box, and is transported back to the goaf.
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| CN202210103797.2A CN114535126B (en) | 2022-01-28 | 2022-01-28 | Colliery is colliery belt continuous transportation's coal gangue intelligent separation device in pit |
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| CN202210103797.2A CN114535126B (en) | 2022-01-28 | 2022-01-28 | Colliery is colliery belt continuous transportation's coal gangue intelligent separation device in pit |
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| CN114535126B true CN114535126B (en) | 2023-12-15 |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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