CN115180367A

CN115180367A - Belt transmission band foreign matter recognition device

Info

Publication number: CN115180367A
Application number: CN202210940504.6A
Authority: CN
Inventors: 贺佳贝; 余长春; 张军; 刘安强; 陈旭鹏; 李可; 牛静飞
Original assignee: Shanxi Huazhi Hongxing Technology Co ltd
Current assignee: Shanxi Huazhi Hongxing Technology Co ltd
Priority date: 2022-08-06
Filing date: 2022-08-06
Publication date: 2022-10-14
Anticipated expiration: 2042-08-06
Also published as: CN115180367B

Abstract

The invention discloses a foreign matter identification device for a belt conveying belt, which relates to the technical field of foreign matter identification of the conveying belt and comprises a detection assembly for detecting foreign matters on the conveying belt through a detection camera, wherein a movable shell is arranged on the detection assembly, a picking assembly for treating the foreign matters on the belt is arranged in the movable shell, two groups of sliding plates are arranged in the picking assembly, the foreign matters on the belt are picked through the movement of the sliding plates, a fire extinguishing assembly for cooling and extinguishing fire of coal is also arranged in the movable shell, the fire extinguishing assembly can detect the temperature of the coal on the belt, fire extinguishing gas is mixed in advance and the coal on the belt is sprayed when high-temperature coal is detected, a driving assembly is arranged in the movable shell, and the driving assembly changes the picking speed of the picking assembly and the mixing speed of the fire extinguishing assembly.

Description

Belt transmission band foreign matter recognition device

Technical Field

The invention relates to the technical field of conveyor belt foreign matter identification, in particular to a conveyor belt foreign matter identification device.

Background

The belt conveyor is an important continuous transportation device in the coal production process. Safe, reliable, efficient fortune coal work, it is very important to mine operation safety, improve the production efficiency of coal, the foreign matter that participates in the coal among the coal transportation not only can reduce the quality of coal, still can destroy the belt, impurity in the coal includes the waste rock, ironware etc., and because long-time transmission, coal and belt, can rub between coal and the coal, can cause the conflagration possibly, greatly threaten property safety and life safety, prior art can discern the letter sorting impurity, fail to realize not polluting the environment, it is nontoxic, the gaseous application of putting out a fire to the conflagration prevention stage of noncorrosive multiple gas mixture.

The Chinese patent with the publication number of CN112845165A discloses a belt conveyor large foreign matter identification pre-sorting device which comprises an openable rotary disc device, an external thread lower rotary base, an internal thread upper rotary base, loose leaves, a sorting track, a block sorting disc, a strain type pressure sensor, a pawl braking component, a disc track sliding block, a cross shaft connecting rod, an inner wall fixing base, a circulating intermittent coal discharging device, a reciprocating mechanical arm, an annular belt, an inclined plane type iron plate, a feeding hole and a rack base. Although the device realizes the sorting of the foreign matters, the sorting efficiency of the device is low, the foreign matters cannot be accurately distinguished, and the temperature of the coal cannot be controlled.

Disclosure of Invention

In view of the problems in the prior art, the invention provides a foreign object identification device for a belt conveyor.

Aiming at the technical problems, the invention adopts the technical scheme that: the utility model provides a belt transmission band foreign matter recognition device, includes the determine module, the determine module goes up to slide and is provided with the removal shell, the removal shell in be provided with drive assembly, pick up the subassembly and put out a fire the subassembly, the removal shell on be provided with the detection camera, drive assembly including installing at the inside link one of removal shell and link two, link one and link two between be provided with the mount, the mount on be provided with speed change mechanism, speed change mechanism include awl bucket two and turning block, the subassembly of picking up including installing the fixed block on link one, the fixed block on be provided with rotation elevating system, rotation elevating system include the connecting rod, be provided with magnet and holding head on the connecting rod, the subassembly of putting out a fire including installing the fixed station on link two, be provided with multiunit storage bottle and extraction bucket on the fixed station, extract bucket and be connected through transmission pipe one between the storage bottle, the fixed station on be provided with mixing chamber and mix and spray mechanism, the mixing chamber be connected with multiunit extraction bucket through transmission pipe two.

Furthermore, the detection assembly further comprises a sliding table, a first motor is arranged on the sliding table, a lead screw is arranged on an output shaft of the first motor, a moving table is arranged on the sliding table in a sliding mode, the moving table is connected with the lead screw through threads, and the moving shell is arranged on the moving table.

Furthermore, the speed change mechanism comprises a first conical barrel, a second conical barrel, a swing ring and a semi-conical barrel which are rotatably installed on the fixing frame, a worm wheel and a plurality of groups of rotating wheels are arranged on the swing ring, a transmission ring is rotatably arranged on the plurality of groups of rotating wheels, the transmission ring is always in contact with the first conical barrel and the second conical barrel simultaneously and is in transmission through friction force, a third motor is arranged at the lower end of the fixing frame, a worm is arranged on an output shaft of the third motor, the worm is meshed with the worm wheel, the semi-conical barrel is coaxially connected with the rotating block, and the rotating block is rotatably installed on the fixing frame.

Furthermore, the rotating lifting mechanism comprises a sliding plate II and a sliding plate I which are slidably mounted on the fixed block, the sliding plate II is arranged at the top end of the fixed block, the sliding plate I is arranged on the side edge of the fixed block, the sliding plate I is connected with a conical barrel II through a connecting rod I, the sliding plate II is connected with the conical barrel II through a connecting rod II, sliding grooves are formed in the sliding plate I and the sliding plate II, a sliding block is arranged at the lower end of the fixed block in a sliding mode, a limiting column I is arranged on the side edge of the sliding block, the connecting rod is rotatably mounted on the sliding block, a rotating column is rotatably arranged on the fixed block, a limiting column II is arranged at the first end of the rotating column, and the second end of the rotating column is connected with the connecting rod through a spline shaft.

Furthermore, the two ends of the sliding groove on the first sliding plate are different in height, the first end is higher than the second end, and the middle section of the sliding groove is a straight line.

Furthermore, two ends of a sliding groove formed in the second sliding plate are arranged at the same height, and the middle section of the sliding groove is convex.

Furthermore, the first limiting column moves in the sliding groove of the first sliding plate, and the second limiting column moves in the sliding groove of the second sliding plate.

Further, mixed spraying mechanism include that slidable mounting passes through ball pair with the piston rod tee bend and is connected at the piston rod third on the fixed station, still include dwang and piston rod one, dwang one end is connected with the piston rod tee bend, the dwang other end passes through ball pair with the turning block and is connected, piston rod three with a set of extraction bucket sliding connection, piston rod one with a set of extraction bucket sliding connection, be provided with the supporting shoe on the piston rod one, the supporting shoe on slide and be provided with the slide bar, slide bar one end be provided with the sprinkler head, the sprinkler head communicate with each other with the mixing chamber through transmission pipe three, the slide bar other end rotate and be provided with the joint table, the joint table on rotate and be provided with the support column, support column and dwang rotate and be connected, be provided with piston rod two and transmission pole on a set of extraction bucket of installing piston rod one, piston rod two with a set of extraction bucket sliding connection, transmission pole and a set of storage bottle sliding connection.

Furthermore, the storage bottles and the extraction barrels are same in number, the transmission rods are arranged in a hollow mode and are communicated with the extraction barrels, the first transmission pipe, the second transmission pipe and the third transmission pipe are hoses, and the fire extinguishing assembly further comprises a temperature sensor.

Compared with the prior art, the invention has the beneficial effects that: (1) According to the invention, the foreign matters on the conveying belt are detected by the detection camera, and the foreign matters can be quickly picked up by the picking-up assembly to be taken out; (2) The fire extinguishing assembly can detect the temperature of coal on the conveying belt in advance, and gas mixing is carried out when high-temperature coal occurs, so that the coal temperature is not too high, and the energy consumption is saved; (3) According to the invention, the picking speed of the picking assembly can be controlled through the arranged driving assembly, and the fire extinguishing assembly can be subjected to gas mixing under the condition that the picking speed of the picking assembly is not changed.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the overall structure of the present invention.

FIG. 3 is a schematic view of a detecting assembly according to the present invention.

FIG. 4 is a cross-sectional view of the detection assembly of the present invention.

FIG. 5 is a schematic view of a driving assembly according to the present invention.

Fig. 6 is a partial structural diagram of a driving assembly according to the first embodiment of the present invention.

Fig. 7 is a partial structural schematic diagram of a driving assembly according to the second embodiment of the present invention.

FIG. 8 is a schematic view of a pick-up assembly according to the present invention.

Fig. 9 is a partial structural diagram of the first pickup assembly according to the present invention.

FIG. 10 is a partial schematic view of a second pick-up assembly according to the present invention.

Fig. 11 is a schematic view of the fire suppression assembly of the present invention.

Fig. 12 is an enlarged view of a portion a in fig. 11.

Fig. 13 is a partial schematic view of a fire extinguishing assembly according to the first embodiment of the present invention.

Fig. 14 is a partial schematic view of a fire extinguishing module according to the present invention.

Fig. 15 is a schematic view of a part of the fire extinguishing assembly of the present invention.

Reference numerals: 1-a detection component; 2-a drive assembly; 3-a pick-up assembly; 4-a fire extinguishing assembly; 101-a mobile housing; 102-a mobile station; 103-a slide table; 104-motor one; 105-a lead screw; 106-detection camera; 201-connecting frame one; 202-connecting frame two; 203-motor two; 204-cone bucket I; 205-cone bucket two; 206-mounting post one; 207-drive ring; 208-a fixed mount; 209-swing loop; 210-a rotating wheel; 211-half cone barrel; 212-a turning block; 213-mounting column two; 214-a worm gear; 215-a worm; 216-Motor three; 301-fixing block; 302-link one; 303-sliding plate one; 304-link two; 305-a second sliding plate; 306-a connecting rod; 307-magnet; 308-a gripping head; 309-a slider; 310-a first limit column; 311-rotating column; 312-a second limiting column; 401-a stationary table; 402-a mixing chamber; 403-storage bottle; 404-an extraction barrel; 405-a first transmission pipe; 406-transfer tube two; 407-a sprinkler head; 408-a third conveying pipe; 409-rotating rod; 410-a transmission rod; 411-piston rod one; 412-piston rod two; 413-support block; 414-sliding bar; 415-piston rod three; 416-support column; 417-connection station.

Detailed Description

A specific embodiment of the device according to the invention is described further below with reference to the figures and exemplary embodiments.

Referring to fig. 1 and 2, the belt conveying belt foreign matter recognition device comprises a detection assembly 1 for detecting foreign matters on a conveying belt through a detection camera 106, a pickup assembly 3 for processing the foreign matters on the belt and a fire extinguishing assembly 4 for detecting the temperature of coal on the belt and cooling and extinguishing the fire of the coal are arranged in the detection assembly 1, a driving assembly 2 is further arranged in the detection assembly 1, and the driving assembly 2 is used for changing the pickup speed of the driving assembly 2 and the mixing speed of gas in the pickup assembly 3.

Referring to fig. 1 to 4, the detection assembly 1 includes a sliding table 103, a first motor 104 is disposed on the sliding table 103, a lead screw 105 is disposed on an output shaft of the first motor 104, a moving table 102 is slidably disposed on the sliding table 103, the moving table 102 is in threaded connection with the lead screw 105, a moving housing 101 is disposed on the moving table 102, a detection camera 106 is disposed on a side edge of the moving housing 101, the first motor 104 is started, the first motor 104 drives the lead screw 105 to rotate, and the lead screw 105 drives the moving table 102 and the moving housing 101 to move, and can move synchronously with a belt.

Referring to fig. 1, 2, 5 to 7, the driving assembly 2 includes a first connecting frame 201 and a second connecting frame 202 installed inside the movable housing 101, a fixed frame 208 is installed between the first connecting frame 201 and the second connecting frame 202, a swing ring 209, a first conical barrel 204, a second conical barrel 205 and a half-conical barrel 211 are rotatably installed on the fixed frame 208, three sets of rotating wheels 210 are installed on the swing ring 209, a driving ring 207 is installed on the rotating wheels 210, the driving ring 207 is in constant contact with the first conical barrel 204 and the second conical barrel 205, through friction transmission, a worm wheel 214 is installed on a rotating shaft of the swing ring 209, a second motor 203 and a third motor 216 are installed on the fixed frame 208, a worm 215 is installed on an output shaft of the third motor 216, the worm 215 is engaged with the worm wheel 214, an output shaft of the second motor 203 is coaxially connected with the first conical barrel 204, when the second motor 203 is started, the first conical barrel 204 is driven to rotate, the first conical barrel 204 drives the transmission ring 207 to rotate on the rotating wheel 210, the first connecting frame 201 drives the second conical barrel 205 to rotate, when the rotating speed of the second conical barrel 205 needs to be changed, the third motor 216 is started, the third motor 216 drives the worm 215 to rotate, the worm 215 drives the worm wheel 214 to rotate, the worm wheel 214 drives the swinging ring 209 and the rotating wheel 210 to deflect, the rotating wheel 210 drives the transmission ring 207 to deflect, the contact position of the transmission ring 207 with the first conical barrel 204 and the second conical barrel 205 is changed, the rotating speed of the second conical barrel 205 is changed immediately, one end of the second conical barrel 205 is provided with the first mounting column 206, the other end of the second conical barrel 205 is provided with the second mounting column 213, the rotating block 212 is arranged on the fixing frame 208 in a rotating manner, and the half-conical barrel 211 is coaxially connected with the rotating block 212.

Referring to fig. 1, 2, 8 to 10, the picking assembly 3 includes a fixed block 301 mounted on a first connecting frame 201, a second sliding plate 305 is slidably disposed on a top end of the fixed block 301, a second connecting rod 304 is rotatably disposed on the second sliding plate 305, a first end of the second connecting rod 304 is rotatably connected to the second sliding plate 305, a second end of the second connecting rod 304 is rotatably connected to a first mounting post 206, a first sliding plate 303 is slidably disposed on a side edge of the fixed block 301, a first connecting rod 302 is rotatably disposed on the first sliding plate 303, a first end of the first connecting rod 302 is rotatably connected to the first sliding plate 303, a second end of the first connecting rod 302 is rotatably connected to a second mounting post 213, a sliding groove is disposed on the first sliding plate 303 and the second sliding plate 305, two ends of the sliding groove on the first sliding plate 303 are different in height, the first end is higher than the second end, a middle section of the sliding groove is a straight line, two ends of the sliding groove disposed on the second sliding plate 305 are set to be at the same height, the middle section of the sliding groove is protruded, the lower end of the fixed block 301 is provided with a sliding block 309 in a sliding manner, the side edge of the sliding block 309 is provided with a first limiting column 310, the sliding block 309 is provided with a connecting rod 306 in a rotating manner, the fixed block 301 is provided with a rotating column 311 in a rotating manner, the first end of the rotating column 311 is provided with a second limiting column 312, the second end of the rotating column 311 is provided with the connecting rod 306 through a spline shaft, the lower end of the connecting rod 306 is provided with a magnet 307 and a clamping head 308, the first limiting column 310 moves in the sliding groove of the first sliding plate 303, the second limiting column 312 moves in the sliding groove of the second sliding plate 305, when the second conical barrel 205 rotates, the first conical barrel 205 drives the first connecting rod 302 and the second connecting rod 304 to move, the first sliding plate 303 moves when the first connecting rod 302 moves, the first sliding plate 303 drives the first limiting column 310 to ascend and descend through the first limiting column 310, the sliding block 309 drives the connecting rod 306 to ascend and descend, connecting rod 306 drives clamping head 308 and magnet 307 and descends, clamping head 308 carries out the centre gripping to the foreign matter on the belt, magnet 307 adsorbs the interior iron ore of coal, two 205 drive connecting rod two 304 rotations of awl bucket simultaneously, two 304 drive sliding plate two 305 slide on fixed block 301, two 305 slide drive spacing post two 312 rotation one hundred eighty degrees through the slip recess when sliding, spacing post two 312 drive rotation post 311 rotates, rotation post 311 drives connecting rod 306 and rotates, connecting rod 306 drives magnet 307 and clamping head 308 and rotates, make clamping head 308 take out the foreign matter of picking up the taking out.

Referring to fig. 1, 2, 11 to 15, the fire extinguishing module 4 includes a fixed table 401 mounted on the second connecting frame 202, three sets of storage bottles 403 and extraction buckets 404 are disposed on the fixed table 401, the extraction buckets 404 and the storage bottles 403 are connected by a first transmission pipe 405, a mixing chamber 402 is disposed on the fixed table 401, the mixing chamber 402 is connected with the three sets of extraction buckets 404 by a second transmission pipe 406, a third piston rod 415 is slidably disposed on the fixed table 401, a rotating rod 409 is connected to the third piston rod 415 by a ball pair, the other end of the rotating rod 409 is connected to the rotating block 212 by a ball pair, the third piston rod 415 is slidably connected to the first set of extraction buckets 404, the fire extinguishing module 4 further includes a rotating rod 409 and a first piston rod 411, the first piston rod 411 is slidably connected to the second set of extraction buckets 404, a supporting block 413 is disposed on the first piston rod 411, a sliding rod 414 is slidably disposed in the supporting block 413, a first end of the sliding rod 414 is provided with a sprinkler head 407, the sprinkler 407 is communicated with the mixing chamber 402 through a third transfer pipe 408, a second end of a sliding rod 414 is rotatably provided with a connecting table 417, the connecting table 417 is rotatably provided with a support column 416, the support column 416 is rotatably connected with a rotating rod 409, a second group of extraction barrels 404 is provided with a transfer rod 410 and a second piston rod 412, the second piston rod 412 is slidably arranged in a third group of extraction barrels 404, the transfer rod 410 is slidably arranged in a storage bottle 403, the transfer rod 410 is hollow, the second group of extraction barrels 404 is communicated with the storage bottle 403 through the transfer rod 410, the first transfer pipe 405, the second transfer pipe 406 and the third transfer pipe 408 are hoses, the three groups of storage bottles 403 are respectively filled with nitrogen dioxide, nitrogen and argon, the fire extinguishing assembly 4 further comprises a temperature sensor, the temperature sensor is arranged at a position before the transfer belt reaches the detection camera 106, the temperature sensor is used for detecting the temperature of coal on the transfer belt in advance, when the temperature is too high, gas mixing is performed in advance to cool coal, when the rotating block 212 rotates, the rotating rod 409 is driven to swing, when the rotating rod 409 swings, the piston rod III 415 is pushed to slide in the first group of extraction buckets 404, the first group of extraction buckets 404 convey gas into the mixing chamber 402 through the first delivery pipe 405 and the second delivery pipe 406, when the rotating rod 409 swings, the sliding rod 414 slides in the supporting block 413, the sliding rod 414 drives the sprinkler head 407 to move, the cooling range of the sprinkler head 407 on the coal is enlarged, the sliding rod 414 drives the supporting block 413 to lift, the supporting block 413 drives the piston rod I411 to slide in the second group of extraction buckets 404, when the piston rod I411 slides in the second group of extraction buckets 404, the second group of extraction buckets 404 conveys the gas into the mixing chamber 402 through the transmission rod 410 and the second delivery pipe 406 to mix, the sliding rod 414 drives the supporting block 413 and the piston rod II 412 to slide in the third group of extraction buckets 404, when the piston rod II 412 slides in the third group of extraction buckets 404, the third group of extraction buckets 404 conveys the gas stored gas 403 in the storage bottle 405 and sprays the mixing bottle 403 into the mixing chamber 402, and when the high-temperature conveying head 407 reaches the mixing chamber, and the coal is sprayed.

The working principle is as follows: when the device works, the temperature sensor is placed at a proper position away from the device, the distance is changed according to the coal conveying amount of the conveying belt, the placing distance is longer when the coal amount is larger, the placing distance can be smaller when the coal amount is smaller, the detection camera 106 detects the coal on the conveying belt when the conveying belt starts to work, when foreign matters are found, the first motor 104 is started to drive the screw 105 to rotate, the screw 105 drives the moving platform 102 to move synchronously with the conveying belt, meanwhile, the second motor 203 is started, the second motor 203 drives the first cone barrel 204 to rotate, the first cone barrel 204 drives the transmission ring 207 to rotate, the transmission ring 207 drives the second cone barrel 205 to rotate, the second cone barrel 205 drives the first connecting rod 302 and the second connecting rod 304 to move, when the first connecting rod 302 moves, the first sliding plate 303 drives the first limiting column 310 to lift through the sliding groove, the first limiting column 310 drives the sliding block 309 to lift, the sliding block 309 drives the connecting rod 306 to lift, the connecting rod 306 drives the clamping head 308 and the magnet 307 to descend, the clamping head 308 clamps foreign matters on the belt, the magnet 307 adsorbs iron ores in coal, then the cone barrel II 205 drives the connecting rod II 304 to rotate, the connecting rod II 304 drives the sliding plate II 305 to slide on the fixed block 301, the sliding plate II 305 drives the limiting column II 312 to rotate by one hundred eighty degrees through the sliding groove when sliding, the limiting column II 312 drives the rotating column 311 to rotate, the rotating column 311 drives the connecting rod 306 to rotate, the connecting rod 306 drives the magnet 307 and the clamping head 308 to rotate, so that the clamping head 308 takes the picked foreign matters off from the conveying belt, then the motor I104 rotates reversely to drive the moving table 102 to reset, when more foreign matters exist on the conveying belt, the picking speed of the clamping head 308 needs to be increased, at the moment, the motor III 216 is started, the motor III 216 drives the worm 215 to rotate, and the worm 215 drives the worm wheel 214 to rotate, the worm wheel 214 drives the swinging ring 209 and the rotating wheel 210 to deflect towards the direction close to the rotating block 212, the rotating wheel 210 drives the transmission ring 207 to deflect, the contact position of the transmission ring 207 with the first conical barrel 204 and the second conical barrel 205 is changed, the transmission ratio between the first conical barrel 204 and the second conical barrel 205 is changed, and the rotating speed of the second conical barrel 205 is changed immediately.

In an initial state, the half cone bucket 211 is not in contact with the transmission ring 207, when the mixed gas is not needed for picking up foreign matters on the transmission belt, the transmission ring 207 is close to the rotating block 212, when the temperature sensor detects that the temperature of the upcoming coal is too high, the motor three 216 is started, the motor three 216 drives the worm 215 to rotate, the worm 215 drives the worm wheel 214 to rotate, the worm wheel 214 drives the swinging ring 209 and the rotating wheel 210 to deflect in a direction close to the motor two 203, the rotating wheel 210 drives the transmission ring 207 to deflect, so that the transmission ring 207 is in contact with the half cone bucket 211, the half cone bucket 211 is driven to rotate under the condition that the original transmission ratio of the cone bucket one 204 to the cone bucket two 205 is not changed, the half cone bucket 211 drives the rotating block 212 to rotate, the rotating block 212 drives the rotating rod 409 to swing when the rotating rod 409 swings, the piston rod three 415 is pushed to slide in the first group of extraction buckets 404, the first group of extraction buckets 404 transmits the gas into the mixing chamber 402 through the transmission pipe one 405 and the transmission pipe two 406, the rotating rod 409 swings and drives the sliding rod 414 to slide in the supporting block 413, the sliding rod 414 drives the sprinkler 407 to move, the cooling range of the sprinkler 407 to coal is enlarged, the sliding rod 414 drives the supporting block 413 to lift, the supporting block 413 drives the first piston rod 411 to slide in the second group of extraction barrels 404, when the first piston rod 411 slides in the second group of extraction barrels 404, the second group of extraction barrels 404 transport gas into the mixing chamber 402 through the transmission rod 410 and the second transmission pipe 406 for mixing, the sliding rod 414 drives the supporting block 413 and the second piston rod 412 to slide in the third group of extraction barrels 404, when the second piston rod 412 slides in the third group of extraction barrels 404, the third group of extraction barrels 404 transport the gas in the storage bottle 403 into the mixing chamber 402 through the first transmission pipe 405 and the second transmission pipe 406 for mixing, when the high temperature position on the transmission belt reaches the spraying range of the sprinkler 407, releasing the mixed gas to cool or extinguish fire for the coal.

The present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make various modifications without creative efforts from the above-described conception and fall within the scope of the present invention.

Claims

1. The utility model provides a belt transmission band foreign matter recognition device, includes detecting element (1), sliding on detecting element (1) is provided with removes shell (101), remove shell (101) in be provided with drive assembly (2), pick up subassembly (3) and put out a fire subassembly (4), its characterized in that: the movable shell (101) is provided with a detection camera (106), the driving assembly (2) comprises a first connecting frame (201) and a second connecting frame (202) which are arranged inside the movable shell (101), a fixed frame (208) is arranged between the first connecting frame (201) and the second connecting frame (202), a speed change mechanism is arranged on the fixed frame (208), the speed change mechanism comprises a second cone barrel (205) and a rotating block (212), the picking assembly (3) comprises a fixed block (301) arranged on the first connecting frame (201), a rotating lifting mechanism is arranged on the fixed block (301), the rotating lifting mechanism comprises a connecting rod (306), an iron absorbing stone (307) and a clamping head (308) are arranged on the connecting rod (306), the fire extinguishing assembly (4) comprises a fixed table (401) arranged on the second connecting frame (202), a plurality of groups of storage bottles (403) and extraction barrels (404) are arranged on the fixed table (401), the extraction barrels (404) and the storage bottles (403) are connected through a first transmission pipe (405), and a plurality of groups of mixing chambers (406) are arranged on the fixed table (401) and the extraction barrels (402) and the spraying chambers (406).

2. A belt conveyor foreign matter recognizing device according to claim 1, wherein: the detection assembly (1) further comprises a sliding table (103), a first motor (104) is arranged on the sliding table (103), a lead screw (105) is arranged on an output shaft of the first motor (104), a moving table (102) is arranged on the sliding table (103) in a sliding mode, the moving table (102) is connected with the lead screw (105) through threads, and the moving shell (101) is installed on the moving table (102).

3. A belt conveyor foreign matter recognizing device according to claim 1, wherein: speed change mechanism including rotating awl bucket (204), awl bucket two (205), swing ring (209) and half awl bucket (211) of installing on mount (208), be provided with worm wheel (214) and multiunit on swing ring (209) and rotate wheel (210), it is provided with driving ring (207) to rotate on multiunit rotates wheel (210), driving ring (207) all the time with awl bucket one (204) and awl bucket two (205) simultaneous contact and through the frictional force transmission, mount (208) lower extreme be provided with motor three (216), be provided with worm (215) on the output shaft of motor three (216), worm (215) and worm wheel (214) mesh, half awl bucket (211) and turning block (212) coaxial coupling, turning block (212) rotate and install on mount (208).

4. A belt conveyor foreign matter recognizing device according to claim 1, wherein: the rotating lifting mechanism comprises a sliding plate II (305) and a sliding plate I (303) which are slidably mounted on a fixed block (301), the sliding plate II (305) is arranged at the top end of the fixed block (301), the sliding plate I (303) is arranged on the side edge of the fixed block (301), the sliding plate I (303) is connected with a cone barrel II (205) through a connecting rod I (302), the sliding plate II (305) is connected with the cone barrel II (205) through a connecting rod II (304), a sliding groove is formed in the sliding plate I (303) and the sliding plate II (305), a sliding block (309) is slidably arranged at the lower end of the fixed block (301), a limiting column I (310) is arranged on the side edge of the sliding block (309), the connecting rod (306) is rotatably mounted on the sliding block (309), a rotating column (311) is rotatably arranged on the fixed block (301), a limiting column II (312) is arranged at the first end of the rotating column (311), and the second end of the rotating spline column (311) is connected with the connecting rod (306) through a connecting rod.

5. A belt conveyor foreign object recognition apparatus as claimed in claim 4, wherein: the two ends of the sliding groove on the first sliding plate (303) are different in height, the first end is higher than the second end, and the middle section of the sliding groove is a straight line.

6. A belt conveyor foreign object recognition apparatus as claimed in claim 5, wherein: two ends of a sliding groove arranged on the second sliding plate (305) are arranged at the same height, and the middle section of the sliding groove is convex.

7. A belt conveyor foreign object recognition apparatus as claimed in claim 6, wherein: the first limiting column (310) moves in the sliding groove of the first sliding plate (303), and the second limiting column (312) moves in the sliding groove of the second sliding plate (305).

8. A belt conveyor foreign matter recognizing device according to claim 1, wherein: the mixed spraying mechanism comprises a third piston rod (415) which is slidably arranged on the fixed platform (401), a rotating rod (409) and a first piston rod (411), one end of the rotating rod (409) is connected with the third piston rod (415) through a ball pair, the other end of the rotating rod (409) is connected with the rotating block (212) through a ball pair, the piston rod III (415) is connected with the group of extraction barrels (404) in a sliding way, the piston rod I (411) is connected with the group of extraction barrels (404) in a sliding way, a supporting block (413) is arranged on the piston rod I (411), a sliding rod (414) is arranged on the supporting block (413) in a sliding way, one end of the sliding rod (414) is provided with a sprinkler head (407), the sprinkler head (407) is communicated with the mixing chamber (402) through a third transmission pipe (408), the other end of the sliding rod (414) is rotatably provided with a connecting table (417), a supporting column (416) is rotatably arranged on the connecting table (417), the supporting column (416) is rotatably connected with the rotating rod (409), a group of extraction barrels (404) provided with a piston rod I (411) are provided with a piston rod II (412) and a transmission rod (410), the second piston rod (412) is connected with a group of extraction barrels (404) in a sliding way, the transmission rod (410) is connected with a group of storage bottles (403) in a sliding mode.

9. A belt conveyor foreign object recognition apparatus as claimed in claim 8, wherein: the storage bottles (403) and the extraction barrels (404) are arranged in the same number, the transmission rods (410) are arranged in a hollow mode, the transmission rods (410) are communicated with the extraction barrels (404), the first transmission pipes (405), the second transmission pipes (406) and the third transmission pipes (408) are hoses, and the fire extinguishing assembly (4) further comprises a temperature sensor.