CN116177147A - Intensive grating on-line monitoring device for coal mine underground belt conveyor operation temperature - Google Patents
Intensive grating on-line monitoring device for coal mine underground belt conveyor operation temperature Download PDFInfo
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- CN116177147A CN116177147A CN202310434755.1A CN202310434755A CN116177147A CN 116177147 A CN116177147 A CN 116177147A CN 202310434755 A CN202310434755 A CN 202310434755A CN 116177147 A CN116177147 A CN 116177147A
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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
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/02—Control devices, e.g. for safety, warning or fault-correcting detecting dangerous physical condition of load carriers, e.g. for interrupting the drive in the event of overheating
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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
- B65G2207/00—Indexing codes relating to constructional details, configuration and additional features of a handling device, e.g. Conveyors
- B65G2207/22—Heat or fire protection
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Abstract
The invention relates to the technical field of monitoring of underground coal mine belt conveyors, in particular to an on-line monitoring device for a dense grating of the running temperature of an underground coal mine belt conveyor. The temperature measuring optical fiber is installed between the symmetrical and equidistant distributed support columns, the temperature measuring optical fiber is electrically connected with a remote control terminal, the opposite sides of the symmetrical support columns are all rotationally connected with first threaded rods, the first threaded rods are in threaded connection with n-shaped frames, the upper sides of the support columns are fixedly connected with first driving motors, output shafts of the first driving motors are fixedly connected with the adjacent first threaded rods, and symmetrical support rollers are rotationally connected between the symmetrical n-shaped frames. According to the invention, the supporting roller drives the transmission belt to be far away from the return idler, so that the condition that the return idler rubs with the transmission belt for a long time to cause the temperature of the return idler to rise to ignite pulverized coal on the return idler to generate a fire disaster is avoided; the temperature of the return idler is monitored in real time through the temperature measuring optical fiber, so that the accuracy of the temperature monitoring of the return idler is improved.
Description
Technical Field
The invention relates to the technical field of monitoring of underground coal mine belt conveyors, in particular to an on-line monitoring device for a dense grating of the running temperature of an underground coal mine belt conveyor.
Background
The belt conveyor for the coal mine has the characteristics of large conveying capacity, complex working environment, strong bearing capacity, long conveying distance and the like, and can be used in the production and processing processes of coal and other mineral products.
The coal mine underground belt conveyor is used for a long time, a return idler bearing of the coal mine underground belt conveyor is worn or lubricated poorly, so that the return idler is not smooth to operate, the return idler cannot smoothly rotate, the return idler and a transmission belt are in a mutual friction state for a long time, the temperature of the return idler is raised, the coal mine underground belt conveyor is directly shut down in the prior art, but the return idler and the transmission belt are still in a contact state, the heat of the return idler can ignite coal dust adhered on the transmission belt to generate fire, casualties can be caused in severe cases, and the temperature of the return idler is monitored through a temperature sensor in the prior art, and the temperature sensor sensitivity is reduced and cannot accurately monitor the temperature of the return idler due to complex coal mine underground environment.
Disclosure of Invention
In order to overcome the defects in the background art, the invention provides the dense grating on-line monitoring device for the running temperature of the underground coal mine belt conveyor.
The technical scheme of the invention is as follows: the utility model provides a colliery belt conveyer running temperature dense grating on-line monitoring device, including symmetrical and equidistant distributed's support column, the upside rigid coupling of symmetrical and equidistant distributed's support column has equidistant driving roller, equidistant driving roller's upside sideslip is provided with transmission belt, be connected with the return idler between the adjacent support column rotation, transmission belt is located the upside of return idler, install temperature measurement optic fibre between equidistant distributed's the support column, temperature measurement optic fibre is connected with remote control terminal electricity, temperature measurement optic fibre is provided with equidistant grating, temperature measurement optic fibre's grating rigid coupling is in adjacent support column, symmetrical support column opposite side all rotates and is connected with first threaded rod, first threaded rod threaded connection has n shape frame, the upside rigid coupling of support column has first driving motor, first driving motor is connected with remote control terminal electricity, the output shaft of first driving motor and adjacent first threaded rod rigid coupling, be connected with symmetrical backing roll between the n shape frame rotations, symmetrical backing roll is located the both sides of adjacent return idler respectively, the backing roll upwards remove and make transmission belt keep away from the return idler.
Further, still including the cooling fire extinguishing component that is used for cooling to return idler, the cooling fire extinguishing component sets up in the support column, the cooling fire extinguishing component is including the spray pipe, the spray pipe intercommunication has equidistant shower nozzle in circumference, the spray pipe rigid coupling is in adjacent support column, equidistant distributed's support column rigid coupling has the raceway, the raceway passes through the pipe intercommunication with adjacent spray pipe, install the solenoid valve of being connected with remote control terminal electricity on the pipe of raceway, it has high-pressure water to carry in the raceway, adjacent support column is provided with oxygen isolation component, oxygen isolation component is used for putting out a fire to return idler department of fire.
Further, the oxygen isolation component comprises air ejector pipes, the air ejector pipes are fixedly connected to adjacent support columns, the air ejector pipes are communicated with nozzles with equal intervals in the circumferential direction, the support columns distributed at equal intervals are fixedly connected with air delivery pipes, the air delivery pipes are communicated with the adjacent air ejector pipes through guide pipes, the guide pipes of the air delivery pipes are provided with electromagnetic valves electrically connected with remote control terminals, and one sides of the support columns are fixedly connected with smoke monitors electrically connected with the remote control terminals.
Further, the spray pipe and the jet pipe are both arranged in a circular shape, and the central axes of the spray pipe and the jet pipe are circumferentially overlapped with the centers of the adjacent return carrier rollers.
Further, the coal gangue blocking device also comprises a baffle plate for blocking the coal gangue, and the baffle plate is fixedly connected with the adjacent support columns.
Further, still including being used for preventing the accumulational gangue clearance subassembly of gangue, gangue clearance subassembly sets up in the baffle, gangue clearance subassembly is including the sliding block, the baffle is provided with the spout, sliding block sliding connection is in the spout of baffle, one side rigid coupling of sliding block has the push pedal, the push pedal is used for promoting accumulational gangue, one side rotation of baffle is connected with the second threaded rod, the second threaded rod passes sliding block and two threaded connection, one side rigid coupling of baffle has the second driving motor who is connected with remote control terminal electricity, the output shaft and the second threaded rod rigid coupling of second driving motor, the sliding block is provided with spacing part, spacing part is used for assisting the push pedal clearance gangue, the front side of support column is provided with gangue collection part, gangue collection part is used for collecting accumulational gangue.
Further, the push plate is arranged in a wedge shape and used for preventing coal gangue from accumulating on one side of the baffle plate.
Further, the limiting component comprises a limiting rod, the limiting rod is connected with the sliding block in a sliding mode, the lower end of the limiting rod is arranged to be wedge-shaped, the upper portion of the limiting rod is fixedly connected with a limiting plate, the limiting plate is located on the upper side of the sliding block, the sliding block is fixedly connected with a guide post, the upper end of the guide post is provided with a limiting disc, the guide post penetrates through the limiting plate and is connected with the sliding plate in a sliding mode, a first elastic piece is sleeved on the guide post, two ends of the first elastic piece are fixedly connected with the limiting disc and the limiting plate of the guide post respectively, one side of the limiting rod is fixedly connected with a fixing post, one side of the supporting post is fixedly connected with a fixing plate, the fixing post is matched with the fixing plate, and one end of the fixing plate is arranged to be wedge-shaped.
Further, the gangue collecting part comprises symmetrically distributed fixing rods, the symmetrically distributed fixing rods are fixedly connected to the supporting columns, the fixing rods and the fixing plates are located on the same side, the symmetrically distributed fixing rods are slidably connected with sliding plates, second elastic pieces are sleeved on the fixing rods, two ends of the second elastic pieces are fixedly connected to the supporting columns and the sliding plates respectively, and the sliding plates are fixedly connected with L-shaped plates used for collecting the gangue.
Further, a damping is arranged between the fixed rod and the sliding plate and used for reducing the resetting speed of the L-shaped plate.
By adopting the scheme, the invention has the beneficial effects that:
1. the supporting roller drives the transmission belt to be far away from the return idler, so that the long-time friction between the return idler and the transmission belt is avoided, and the temperature of the return idler is increased to ignite pulverized coal on the transmission belt to generate a fire disaster.
2. High-pressure water in the water pipe is sprayed out from a spray head of the spray pipe in a water mist mode, the sprayed water mist timely cools the return carrier roller, and the cooling speed of the return carrier roller is improved.
3. Inert gas in the gas transmission pipe is sprayed out from a spray head of the air spraying pipe, oxygen at the return carrier roller is isolated, the return carrier roller is prevented from being contacted with air, the pulverized coal adhered on the return carrier roller is burnt and ignites the transmission belt, meanwhile, the flow directions of the inert gas sprayed out from the air spraying pipes at the front side and the back side are opposite, the inert gas at the two sides generates convection, the pulverized coal at the two sides of the return carrier roller is blown to the left side and the right side, the pulverized coal in the air at the return carrier roller is reduced, the return carrier roller is prevented from igniting the pulverized coal in the air, and the safety of the underground coal mine belt conveyor is improved.
4. The coal gangue loses the blocking of baffle and then rolls down along the inclined roadway and falls between the L-shaped plate and the support column, and the L-shaped plate limits the coal gangue to prevent the coal gangue from continuously rolling down along the inclined roadway.
5. The pushing plate pushes the coal gangue at the lower side of the underground coal mine belt conveyor to the front side, so that workers do not need to drill to the lower part of the underground coal mine belt conveyor to clean the coal gangue, and the workers are prevented from being rolled into the conveying belt to generate danger in the coal gangue cleaning process.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the smoke monitor and baffle of the present invention.
Fig. 3 is a schematic cross-sectional perspective view of the return idler and backup roll of the present invention.
Fig. 4 is a schematic perspective view of a cooling fire extinguishing assembly according to the present invention.
Fig. 5 is a right-side perspective structure schematic view of the gangue cleaning assembly of the present invention.
Fig. 6 is a left-side perspective structure schematic view of the gangue cleaning assembly of the present invention.
Fig. 7 is a schematic perspective view of a limiting member according to the present invention.
Fig. 8 is a schematic perspective view of a coal refuse collection unit according to the present invention.
Reference numerals illustrate: 101-supporting columns, 102-driving rollers, 103-conveying belts, 104-return carrier rollers, 105-temperature measuring optical fibers, 106-first threaded rods, 107-n-shaped frames, 108-first driving motors, 109-supporting rollers, 201-water spraying pipes, 202-water conveying pipes, 301-air spraying pipes, 302-air conveying pipes, 303-smoke monitors, 401-baffle plates, 402-sliding blocks, 403-pushing plates, 404-second threaded rods, 405-second driving motors, 406-limiting rods, 407-limiting plates, 408-guide columns, 409-first elastic pieces, 410-fixed columns, 411-fixed plates, 501-fixed rods, 502-sliding plates, 503-second elastic pieces and 504-L-shaped plates.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description. The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Example 1: the utility model provides a colliery underground belt conveyer running temperature dense grating on-line monitoring device, as shown in fig. 1-3, including symmetrical and equidistant distributed support column 101, the upside rigid coupling of symmetrical and equidistant distributed support column 101 has equidistant driving roller 102, equidistant driving roller 102's upside slides and is provided with transmission belt 103, be connected with return idler 104 between the adjacent support column 101 in the rotation, return idler 104 is used for supporting transmission belt 103, prevent transmission belt 103 and tunnel bottom surface contact, transmission belt 103 is located the upside of return idler 104, install temperature measurement optic fibre 105 between equidistant distributed support column 101, temperature measurement optic fibre 105 and remote control terminal electricity are connected, temperature measurement optic fibre 105 is provided with equidistant grating, temperature measurement optic fibre 105's grating is used for monitoring return idler 104's temperature, temperature measurement optic fibre 105's grating rigid coupling is in adjacent support column 101, the opposite side all rotates and is connected with first threaded rod 106, first threaded rod 106 threaded connection has n-shaped frame 107, the upside rigid coupling of support column 101 has first driving motor 108, first driving motor 108 and remote control terminal contact, transmission belt 103 is located the upper side of return idler 103, the back idler 104 is located the back idler 104 of the symmetry, when the back idler 104 is connected with the back idler, the back idler is located the back idler 104 of the back idler shape of the rotation of the symmetry, the back idler 104 is kept away from the back idler 109, the back idler 109 makes the back idler's of the transmission roller is kept away from, the back idler's of the upper side 109, the back idler is used for keeping away from, the back idler's of the transmission, the upper side is connected with the back idler 109, the temperature of the back idler is used for keeping watch, the temperature of the back on, back idler is connected, back-up on the grating of the back-up, back-up grating of the back-up on-and is on-and has on.
In the process of transmission of the transmission belt 103, the transmission belt 103 drives the driving roller 102 and the return idler 104 to rotate through friction force, in the process of material transportation of the transmission belt 103, the grating on the front side temperature measuring optical fiber 105 and the rear side temperature measuring optical fiber 105 measures the temperature of the return idler 104, when the temperature of the return idler 104 is increased, the temperature measuring optical fiber 105 transmits the monitored temperature to a remote control terminal, the remote control terminal monitors the temperature of the return idler 104 in real time, in the long-time use process, a large amount of coal gangue is easily accumulated at the return idler 104, the coal gangue clamps the return idler 104, the transmission belt 103 and the return idler 104 generate heat for a long time, the temperature of the return idler is increased, the remote control terminal starts a first driving motor 108 on the front side and the rear side of the heated return idler 104, an output shaft of the first driving motor 108 drives a first threaded rod 106 to circumferentially rotate, the first threaded rods 106 on the front side and the rear side respectively drive the adjacent n-shaped frames 107 to move upwards, the front and the rear adjacent n-shaped frames 107 drive the two supporting rollers 109 to move upwards, the supporting rollers 109 drive the transmission belt 103 passing through the supporting rollers to move away from the return idler 104, the long-time friction between the return idler 104 and the transmission belt 103 is avoided, the temperature of the return idler 104 is increased to ignite pulverized coal on the transmission belt 103 to generate fire, a worker timely performs fault investigation on the heated return idler 104, maintains the heated return idler 104, meanwhile cleans accumulated coal gangue, after the maintenance of the return idler 104 is finished, the return idler 104 is naturally cooled, after the grating on the temperature measuring optical fiber 105 detects that the temperature of the return idler 104 is reduced, the remote control terminal starts the first driving motor 108 to drive the supporting rollers 109 to move downwards until the transmission belt 103 contacts with the return idler 104 again, the remote control terminal turns off the first drive motor 108.
Example 2: on the basis of embodiment 1, as shown in fig. 2 and 4, the device further comprises a cooling fire extinguishing assembly for cooling the return carrier roller 104, the cooling fire extinguishing assembly is arranged on the support column 101, the cooling fire extinguishing assembly comprises a spray pipe 201, the spray pipe 201 is communicated with nozzles with equal circumferential intervals, the spray pipe 201 is fixedly connected to the adjacent support column 101, the spray pipe 201 is arranged to be round and is used for synchronously cooling the outer side surface of the return carrier roller 104, the support column 101 which is distributed at equal intervals is fixedly connected with a water pipe 202, the water pipe 202 is communicated with the adjacent spray pipe 201 through a guide pipe, a solenoid valve which is electrically connected with a remote control terminal is arranged on the guide pipe of the water pipe 202, high-pressure water in the water pipe 202 is sprayed out from the nozzles of the spray pipe 201 in a water mist mode, the sprayed water mist timely cools the return carrier roller 104, the cooling speed of the return carrier roller 104 is improved, the adjacent support column 101 is provided with oxygen isolating components, and the oxygen isolating components are used for extinguishing fires of the return carrier roller 104.
The oxygen isolation component comprises air ejector tubes 301, the air ejector tubes 301 are fixedly connected to adjacent supporting columns 101, the air ejector tubes 301 are communicated with nozzles with equal circumferential spacing, the supporting columns 101 distributed at equal spacing are fixedly connected with air ejector tubes 302, high-pressure inert gas is conveyed in the air ejector tubes 302, the air ejector tubes 302 are communicated with the adjacent air ejector tubes 301 through guide tubes, electromagnetic valves electrically connected with remote control terminals are installed in the guide tubes of the air ejector tubes 302, inert gas in the air ejector tubes 302 is ejected from the nozzles of the air ejector tubes 301, oxygen at the return carrier rollers 104 is isolated, the return carrier rollers 104 are prevented from being contacted with air, so that deflagration is generated by burning coal dust adhered to the return carrier rollers 104, one side of each supporting column 101 is fixedly connected with smoke monitors 303 electrically connected with the remote control terminals, the smoke monitors 303 are used for monitoring whether coal dust adhered to the return carrier rollers 104 burns or not in real time, the central axes of the water ejector tubes 201 and the air ejector tubes 301 are all arranged in a circular shape, the central axes of the water ejector tubes 201 and the air ejector tubes 301 are circumferentially coincident with the centers of the adjacent return carrier rollers 104, the inert gas on two sides produce convection, the coal dust on two sides of the return carrier rollers 104 are moved leftwards and rightwards, coal dust in the air, coal dust in the return carrier rollers 104 is prevented from the air, coal dust in return carrier rollers 104 is prevented from being blown by the coal dust in the air, and coal dust in return carrier rollers 104 is prevented from being blown into air.
When the transmission belt 103 and the return carrier roller 104 lose contact, the remote control terminal simultaneously starts the electromagnetic valves of the water conveying pipes 202 at two sides, high-pressure water in the water conveying pipes 202 is sprayed out from the spray heads of the spray pipes 201, the high-pressure water in the water conveying pipes 202 is sprayed out from the spray heads of the spray pipes 201 in a water mist mode, the sprayed water mist timely cools the return carrier roller 104, the cooling speed of the return carrier roller 104 is improved, when the smoke monitor 303 monitors that smoke is generated at the return carrier roller 104, the remote control terminal starts the electromagnetic valves of the air conveying pipes 302 at the front side and the rear side, inert gas in the air conveying pipes 302 is sprayed out from the spray heads of the air conveying pipes 301, oxygen at the return carrier roller 104 is isolated, the return carrier roller 104 is prevented from being contacted with air, the pulverized coal adhered to the return carrier roller 104 is burnt and ignites the transmission belt 103, meanwhile, the inert gas at the two sides of the front side and the rear side of the carrier roller 301 flows in opposite directions, the pulverized coal at the two sides of the return carrier roller 104 is blown to the left side and the right side, the pulverized coal at the position of the return carrier roller 104 is reduced, the pulverized coal in the air in the return carrier roller 104 is prevented from being ignited, the pulverized coal in the air, the underground carrier roller conveyor is improved, and after the temperature of the carrier roller 104 is lowered, the remote control terminal is closed, and the electromagnetic valve 302 is timely maintained, and the electromagnetic valve is maintained.
Example 3: on the basis of embodiment 2, as shown in fig. 5, the device further comprises a baffle 401 for blocking coal gangue, wherein the baffle 401 is fixedly connected to the adjacent supporting columns 101, and the baffle 401 blocks the coal gangue rolling down along the inclined roadway and prevents the coal gangue from accumulating at the return carrier roller 104 and blocking the return carrier roller 104.
As shown in fig. 5-8, the coal gangue cleaning assembly is further arranged on the baffle 401, the coal gangue cleaning assembly comprises a sliding block 402, the baffle 401 is provided with a sliding groove, the sliding block 402 is slidably connected in the sliding groove of the baffle 401, a push plate 403 is fixedly connected to one side of the sliding block 402, the push plate 403 is used for pushing the accumulated coal gangue, the push plate 403 is arranged to be wedge-shaped, the push plate 403 is used for pushing the coal gangue on the lower side of the underground coal mine belt conveyor to the front side, so that workers do not need to drill to the lower part of the underground coal mine belt conveyor to clean the coal gangue, dangers are prevented from being generated in the process of cleaning the coal gangue when the workers are rolled into the transmission belt 103, one side of the baffle 401 is rotationally connected with a second threaded rod 404, the second threaded rod 404 passes through the sliding block 402 and is in threaded connection with the sliding block, one side of the baffle 401 is fixedly connected with a second driving motor 405 electrically connected with a remote control terminal, an output shaft of the second driving motor 405 is fixedly connected with the second threaded rod 404, the sliding block 402 is provided with a limiting part, the limiting part is used for assisting the push plate 403 in cleaning the coal gangue, the front side of the supporting column 101 is provided with a gangue collecting part, and the gangue collecting part is used for collecting coal gangue and is stacked.
As shown in fig. 7 and 8, the limiting member includes a limiting rod 406, the limiting rod 406 is slidably connected to the sliding block 402, the lower end of the limiting rod 406 is set to be wedge-shaped, the upper portion of the limiting rod 406 is fixedly connected with a limiting plate 407, the limiting plate 407 is located at the upper side of the sliding block 402, the sliding block 402 is fixedly connected with a guide post 408, the upper end of the guide post 408 is provided with a limiting disc, the guide post 408 passes through the limiting plate 407 and is slidably connected with the limiting plate 407, a first elastic member 409 is fixedly connected between the limiting disc of the guide post 408 and the limiting plate 407, the first elastic member 409 is sleeved on the guide post 408, the first elastic member 409 is set to be a spring, one side of the limiting rod 406 is fixedly connected with a fixing post 410, one side of the supporting post 101 is fixedly connected with a fixing plate 411, the fixing post 410 is matched with the fixing plate 411, one end of the fixing plate 411 is set to be wedge-shaped, the fixing post 410 is contacted with the fixing plate 411, and the fixing post 410 moves along the wedge-shaped surface of the rear side of the fixing plate 411, so that the limiting plate 407 slides upwards along the guide post 408.
As shown in fig. 8, the gangue collecting component includes symmetrically distributed fixing rods 501, the symmetrically distributed fixing rods 501 are fixedly connected to the supporting columns 101, the fixing rods 501 and the fixing plates 411 are located on the same side, the symmetrically distributed fixing rods 501 are slidably connected with sliding plates 502, damping is arranged between the fixing rods 501 and the sliding plates 502 and used for slowing down the resetting speed of the L-shaped plates 504, the gangue rolls down into the L-shaped plates 504 along the inclined roadway, second elastic pieces 503 are sleeved on the fixing rods 501, two ends of the second elastic pieces 503 are fixedly connected to the supporting columns 101 and the sliding plates 502 respectively, and the L-shaped plates 504 for collecting the gangue are fixedly connected to the sliding plates 502.
In the normal operation process of the underground coal mine belt conveyor, coal gangue rolls downwards along an inclined roadway, a baffle 401 blocks the coal gangue rolled down along the inclined roadway, the coal gangue is prevented from accumulating at a return idler 104, the return idler 104 is blocked, a large amount of heat is generated due to long-time friction between the return idler 104 and the belt, after the set time of a remote control terminal is reached, the remote control terminal starts a second driving motor 405, an output shaft of the second driving motor 405 drives a second threaded rod 404 to rotate, the second threaded rod 404 drives a sliding block 402 and parts on the sliding block to move forwards, the sliding block 402 drives a push plate 403 to push the coal gangue accumulated on the right side of the baffle 401 forwards, a limiting rod 406 moves forwards to be in contact with a sliding plate 502, the limiting rod 406 drives the sliding plate 502 to move forwards, the sliding plate 502 drives an L-shaped plate 504 to slide along two fixing rods 501, in the process that the two second elastic pieces 503 are compressed and the sliding block 402 moves forward, the fixed column 410 contacts with the fixed plate 411, the fixed column 410 moves along the wedge surface at the rear side of the fixed plate 411, the limiting rod 406 drives the limiting plate 407 to move upward, the limiting plate 407 slides upward along the guide column 408, the first elastic piece 409 is compressed, the limiting rod 406 moves upward and loses contact with the sliding plate 502, the sliding plate 502 at this time has moved to the front side position of the fixed rod 501, due to the damping arranged between the sliding plate 502 and the two fixed rods 501, under the elastic force of the two second elastic pieces 503, the sliding plate 502 drives the L-shaped plate 504 to slowly reset, the sliding block 402 continues to drive the push plate 403 to move forward, after the push plate 403 is matched with the front side edge of the baffle 401, the coal gangue rolls between the L-shaped plate 504 and the support column 101 along the inclined surface of the push plate 403, the L-shaped plate 504 is used for limiting the coal gangue, so that the coal gangue is prevented from continuously falling down along the inclined roadway, the L-shaped plate 504 moves backwards to reset, and the coal gangue is fixed between the L-shaped plate 504 and the supporting column 101.
When the gangue on the right side of the baffle 401 is cleaned, the remote control terminal controls the second driving motor 405, the output shaft of the second driving motor 405 drives the second threaded rod 404 to reversely rotate, the second threaded rod 404 drives the sliding block 402 and parts on the sliding block 402 to move backwards and reset, after the fixed column 410 and the fixed plate 411 lose contact, under the elastic force of the first elastic piece 409, the limiting rod 406 and the limiting plate 407 move downwards and reset, after the rear side of the limiting rod 406 is in contact with the sliding plate 502, the wedge surface on the lower side of the limiting rod 406 is extruded, the limiting rod 406 moves upwards, after the limiting rod 406 and the sliding plate 502 lose contact, the limiting rod 406 resets under the elastic force of the first elastic piece 409, after the sliding block 402 moves backwards and resets, the second driving motor 405 is closed by the remote control terminal, workers regularly clean the coal between the L-shaped plate 504 and the supporting column 101, under the elastic force of the second elastic piece 503, the sliding plate 502 and the L-shaped plate 504 reset, after the gangue cleaning, the belt conveyer pushes the coal mine underground gangue to the lower side of the coal mine, and the belt conveyer is pushed by the push plate 403, the coal conveyer is not rolled up to the lower side of the coal conveyer, and dangerous coal conveyer is prevented from being cleaned by workers.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present invention without the inventive step, are intended to be within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (10)
1. The utility model provides a colliery belt conveyor running temperature intensive grating on-line monitoring device, including symmetrical and equidistant support column (101) of distribution, the upside rigid coupling of symmetrical and equidistant support column (101) has equidistant driving roller (102), and the upside of equidistant driving roller (102) is slided and is provided with transmission belt (103), rotates between adjacent support column (101) and is connected with return idler (104), and transmission belt (103) are located the upside of return idler (104), its characterized in that: the temperature measuring optical fiber (105) with symmetrical distribution is arranged between the support columns (101) with equidistant distribution respectively, the temperature measuring optical fiber (105) is electrically connected with a remote control terminal, the temperature measuring optical fiber (105) is provided with equidistant gratings, the gratings of the temperature measuring optical fiber (105) are fixedly connected with the adjacent support columns (101), the opposite sides of the symmetrical support columns (101) are rotationally connected with first threaded rods (106), the first threaded rods (106) are in threaded connection with n-shaped frames (107), the upper sides of the support columns (101) are fixedly connected with first driving motors (108), the first driving motors (108) are electrically connected with the remote control terminal, the output shafts of the first driving motors (108) are fixedly connected with the adjacent first threaded rods (106), symmetrical n-shaped frames (107) are rotationally connected with symmetrical support rollers (109), the symmetrical support rollers (109) are respectively located on two sides of the adjacent return carrier rollers (104), and the support rollers (109) move upwards to enable the transmission belt (103) to be far away from the return rollers (104).
2. The on-line monitoring device for the operation temperature of the underground coal mine belt conveyor according to claim 1, wherein: still including being used for carrying out the cooling fire extinguishing component of cooling to return idler (104), cooling fire extinguishing component sets up in support column (101), cooling fire extinguishing component is including spray pipe (201), spray pipe (201) intercommunication has equidistant shower nozzle of circumference, spray pipe (201) rigid coupling in adjacent support column (101), equidistant distributed support column (101) rigid coupling has raceway (202), raceway (202) are through pipe intercommunication with adjacent spray pipe (201), install the solenoid valve of being connected with remote control terminal electricity on the pipe of raceway (202), carry high-pressure water in raceway (202), adjacent support column (101) are provided with oxygen isolation component, oxygen isolation component is used for putting out a fire to return idler (104) fire department.
3. The on-line monitoring device for the operation temperature of the underground coal mine belt conveyor according to claim 2, wherein: the oxygen isolation component comprises air ejector tubes (301), the air ejector tubes (301) are fixedly connected to adjacent support columns (101), the air ejector tubes (301) are communicated with nozzles with equal circumferential spacing, the equally-spaced support columns (101) are fixedly connected with air delivery tubes (302), the air delivery tubes (302) are communicated with the adjacent air ejector tubes (301) through guide tubes, electromagnetic valves electrically connected with remote control terminals are installed on the guide tubes of the air delivery tubes (302), and smoke monitors (303) electrically connected with the remote control terminals are fixedly connected to one sides of the support columns (101).
4. The on-line monitoring device for the operation temperature of the underground coal mine belt conveyor according to claim 3, wherein: the spray pipe (201) and the air jet pipe (301) are arranged in a circular shape, and the central axes of the spray pipe (201) and the air jet pipe (301) are circumferentially coincident with the centers of the adjacent return carrier rollers (104).
5. The on-line monitoring device for the operation temperature of the underground coal mine belt conveyor according to claim 1, wherein: the coal gangue blocking device also comprises a baffle plate (401) for blocking the coal gangue, and the baffle plate (401) is fixedly connected with the adjacent support columns (101).
6. The on-line monitoring device for the operation temperature of the underground coal mine belt conveyor according to claim 5, wherein: the coal gangue cleaning device comprises a baffle (401), and is characterized by further comprising a coal gangue cleaning assembly used for preventing coal gangue accumulation, wherein the coal gangue cleaning assembly is arranged on the baffle (401), the baffle (401) is provided with a sliding groove, the sliding block (402) is slidably connected in the sliding groove of the baffle (401), one side of the sliding block (402) is fixedly connected with a push plate (403), the push plate (403) is used for pushing the accumulated coal gangue, one side of the baffle (401) is rotationally connected with a second threaded rod (404), the second threaded rod (404) penetrates through the sliding block (402) and is in threaded connection with the two, one side of the baffle (401) is fixedly connected with a second driving motor (405) electrically connected with a remote control terminal, an output shaft of the second driving motor (405) is fixedly connected with the second threaded rod (404), the sliding block (402) is provided with a limiting part, the limiting part is used for assisting the push plate (403) in cleaning the coal gangue, and the front side of the support column (101) is provided with a coal gangue collecting part used for collecting the accumulated coal gangue.
7. The on-line monitoring device for the operation temperature of the underground coal mine belt conveyor according to claim 6, wherein: the push plate (403) is arranged in a wedge shape and is used for preventing coal gangue from accumulating on one side of the baffle plate (401).
8. The on-line monitoring device for the operation temperature of the underground coal mine belt conveyor according to claim 6, wherein: the limiting component comprises a limiting rod (406), the limiting rod (406) is connected with the sliding block (402) in a sliding mode, the lower end of the limiting rod (406) is arranged into a wedge shape, a limiting plate (407) is fixedly connected to the upper portion of the limiting rod (406), the limiting plate (407) is located on the upper side of the sliding block (402), a guide post (408) is fixedly connected to the sliding block (402), a limiting disc is arranged at the upper end of the guide post (408), the guide post (408) penetrates through the limiting plate (407) and is connected with the guide post in a sliding mode, a first elastic piece (409) is sleeved on the guide post (408), two ends of the first elastic piece (409) are fixedly connected to the limiting disc of the guide post (408) and the limiting plate (407) respectively, a fixing post (410) is fixedly connected to one side of the supporting post (101), a fixing plate (411) is fixedly connected to one side of the fixing post (410) and matched with the fixing plate (411), and one end of the fixing plate (411) is arranged into a wedge shape.
9. The on-line monitoring device for the operation temperature of the underground coal mine belt conveyor according to claim 8, wherein: the gangue collecting component comprises symmetrically distributed fixing rods (501), the symmetrically distributed fixing rods (501) are fixedly connected to supporting columns (101) on the front side, the fixing rods (501) and the fixing plates (411) are located on the same side, the symmetrically distributed fixing rods (501) are slidably connected with sliding plates (502), second elastic pieces (503) are sleeved on the fixing rods (501), two ends of the second elastic pieces (503) are fixedly connected to the supporting columns (101) and the sliding plates (502) respectively, and the sliding plates (502) are fixedly connected with L-shaped plates (504) used for collecting the gangue.
10. The on-line monitoring device for the operation temperature of the underground coal mine belt conveyor according to claim 9, wherein: damping is arranged between the fixed rod (501) and the sliding plate (502) and used for slowing down the resetting speed of the L-shaped plate (504).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310434755.1A CN116177147B (en) | 2023-04-21 | 2023-04-21 | Intensive grating on-line monitoring device for coal mine underground belt conveyor operation temperature |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310434755.1A CN116177147B (en) | 2023-04-21 | 2023-04-21 | Intensive grating on-line monitoring device for coal mine underground belt conveyor operation temperature |
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| CN116177147A true CN116177147A (en) | 2023-05-30 |
| CN116177147B CN116177147B (en) | 2023-07-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117465881A (en) * | 2023-12-27 | 2024-01-30 | 石家庄宜中机电技术有限公司 | Colliery belt bearing roller automatic spraying device based on fiber bragg grating temperature monitoring technique |
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