CN212638949U - Intelligent multifunctional monitoring and alarming device for conveyor based on PLC control - Google Patents
Intelligent multifunctional monitoring and alarming device for conveyor based on PLC control Download PDFInfo
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- CN212638949U CN212638949U CN202021069018.4U CN202021069018U CN212638949U CN 212638949 U CN212638949 U CN 212638949U CN 202021069018 U CN202021069018 U CN 202021069018U CN 212638949 U CN212638949 U CN 212638949U
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Abstract
The utility model relates to a multi-functional monitoring alarm device of intelligent conveyer based on PLC control, the device by host computer, big carbon stone monitoring, water coal monitoring, belt vertically tear and the off tracking spills coal monitoring, ironware monitoring, the super wide material monitoring of overlength, coal piling monitoring and audible-visual alarm, information recording display, information communication part are constituteed. The utility model discloses based on monitoring sensor's reliability and accuracy, the foreign matter can be monitored to the accurate nothing mistake.
Description
Technical Field
The utility model relates to a belt feeder protection technical field, more specifically say, relate to a multi-functional monitoring alarm device of intelligent conveyer based on PLC control.
Background
The transportation of the belt conveyor is already the main transportation mode of raw coal in a coal mine, but because the underground production link is complicated, the production condition is bad, the management difficulty is large, the transportation line is long, the transfer points are many and the like, large carbon stones, wood sundries and oversized materials often fall into the belt conveyor on the belt conveyor, the machine halt cannot be found in time when water coal is pulled out, or the coal returns on the bottom belt caused by coal scattering due to off tracking and tearing and the like are rolled into a tail roller, or mechanical accidents such as 'head surge' of a tent bin, off tracking and tearing of a tent bin, damage of a rack and the like caused by pulling out ironware such as an anchor rod and the like are caused, great trouble is brought to normal production, and the safety production is seriously influenced. The traditional conveyor has low comprehensive protection sensitivity, poor reliability and incomplete monitoring range; although detection devices such as a detection device based on a video recognition technology appear on the market, the detection devices are expensive, the actual application effect is not ideal, and the detection devices are abandoned after a while and become furnishings.
At present, the power of the rubber belt conveyor is getting larger and larger, the running speed is getting higher and higher, and the carrying capacity is getting larger and larger, the success rate and the reliability of the foreign matter monitoring alarm pulled out by the conveyor are mainly shown in the aspects of the reliability and the accuracy of the monitoring sensor, and the alarm is very easy as long as the foreign matter can be accurately monitored.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to prior art's above-mentioned defect, provide a multi-functional monitoring alarm device of intelligent conveyer based on PLC control.
The utility model provides a technical scheme that its technical problem adopted is: construct a multi-functional monitoring alarm device of intelligent conveyer based on PLC control, include: the system comprises a host, an oversized material monitoring mechanism, a belt longitudinal tearing and off-tracking coal scattering monitoring mechanism, a water coal monitoring mechanism, an ironware monitoring mechanism and a coal piling monitoring mechanism; the host machine is respectively in communication connection with the oversized material monitoring mechanism, the water coal monitoring mechanism, the belt longitudinal tearing and off-tracking coal scattering monitoring mechanism, the ironware monitoring mechanism and the coal piling monitoring mechanism, receives sensing signals transmitted by the mechanisms and gives an alarm; each mechanism is fixedly arranged at the proper position of each transfer point or the tail of the conveyor in sequence or randomly;
the ultra-large material monitoring mechanism comprises a gantry support, a mounting seat, an ultra-high and ultra-long material monitoring plate, an ultra-wide monitoring rod and a monitoring sensor; the mounting seats are arranged on two sides of the conveyor belt, and the gantry support is fixed on the mounting seats; 2 ultra-wide monitoring rods are respectively and fixedly connected with two sides of the ultra-high and ultra-long material monitoring plate, and the ultra-wide monitoring rods are vertically and downwards fixed at the top of the gantry support so as to enable the ultra-high and ultra-long material monitoring plate to be vertical to the advancing direction of a conveyor belt; the monitoring sensor is fixedly arranged on the ultra-wide monitoring rod, is in communication connection with the host and sends the sensed sensing signal to the host;
the belt longitudinal tearing and off tracking coal scattering monitoring mechanism comprises a return belt straight sweeper and a coal scattering sensor; the belt longitudinal tearing and off-tracking coal scattering monitoring device is arranged at a position close to a tail roller of the conveyor, a coal scattering sensor is fixed on a coal scattering protection bracket, one end of the coal scattering protection bracket is fixedly connected to the H frame of the conveyor, the other end of the coal scattering protection bracket is connected with a coal scattering sensing plate through a rotating shaft of the coal scattering sensing plate, and a first magnetic steel is arranged at a counterweight end of the coal scattering sensing plate; the return belt straight sweeper stretches across two sides of the belt, and two ends of the return belt straight sweeper are fixed through two adjacent conveyor H racks; one end of the tail roller is arranged right above the coal scattering induction plate to sweep the fallen coal on the belt onto the coal scattering induction plate; when the mass reaches a certain value, the coal scattering sensing plate loses the original balance state and rotates to unload coal, and when the rotation inclination angle of the coal scattering sensing plate is larger than 30 degrees, the magnetic steel approaches the coal scattering sensor so that the coal scattering sensor generates a sensing signal, the coal scattering sensor is in communication connection with the host computer and sends the sensed sensing signal to the host computer; if the sensor continuously acts for more than 2 times within the set time, the host machine immediately sends out a fault alarm;
the ironware monitoring mechanism comprises a shell, a mounting base, a detection circuit board and a detection coil; the mounting base is fixed on the longitudinal beam rack of the conveyor, and the shell is fixed on the mounting base and is not contacted with the belt; the detection coil and the detection circuit board are fixedly arranged in the shell, and whether the materials conveyed on the belt contain ironware or not is detected through the detection coil; the detection coil is connected with the detection circuit board, and the detection circuit board is in communication connection with the host machine so as to send an induction signal generated when the detection coil induces the ironware to the host machine;
the coal piling monitoring mechanism comprises a coal piling induction device and a coal piling fixing device; the coal piling sensing device comprises a cross-shaped material touch plate, a connecting rod, second magnetic steel, a sensing switch, a material level sensor rack and a protective shell; the second magnetic steel and the inductive switch are arranged in the protective shell and are relatively and fixedly arranged through the material level sensor rack; the second magnetic steel is connected to one end of the connecting rod, the other end of the connecting rod extends to the lower side of the protective shell and is connected with the end part of the cross-shaped material touch plate, and the touch plate of the cross-shaped material touch plate is enabled to vertically face the belt; the coal piling fixing device comprises an adjusting and mounting rod, one end of the adjusting and mounting rod is fixedly connected to the conveyor frame, the other end of the adjusting and mounting rod is fixedly connected with a protective mounting bolt, the protective mounting bolt is fixedly connected with a mounting hole formed in the side wall of the protective shell, and the position of the coal sensing device is fixed and adjusted through the coal piling fixing device; the induction switch is in communication connection with the host, generates an induction signal due to the approach of the second magnetic steel and sends the generated induction signal to the host;
the water coal monitoring mechanism comprises a plurality of water coal detection circuit boxes and flexible detection contact strips; the water coal detection circuit box is fixed on the rack and is in contact with materials conveyed on the belt through the flexible detection contact strip; the water coal detection circuit box is connected with the host, when more water coal is conveyed out of the belt, 3 sensors are caused to act simultaneously, and when the duration time exceeds a set value according to the running speed of the conveying belt, the water coal detection circuit box judges that the water coal exists, and sends a signal to the host.
The gantry support of the oversized material monitoring mechanism comprises models with the widths of 1400 mm, 1200 mm, 1000 mm and 800 mm; is arranged above or in front of the downloading roller; the mounting seat is arranged on a longitudinal beam or an H frame of the conveyor; further comprising: two detection plate rotating shafts and a detection plate adjusting movable sleeve; the detection plate rotating shaft is arranged on the beam body of the gantry support and slides relatively along the beam body; one end of the ultra-wide monitoring rod is fixedly connected with one of the detection plate rotating shafts respectively; the two ends of the ultra-high and ultra-long material monitoring plate are respectively and fixedly connected with a detection plate adjusting movable sleeve, the detection plate adjusting movable sleeve is arranged on the outer side of the rod body of the ultra-wide detection rod, and an adjusting screw is arranged on the outer side of the detection plate adjusting movable sleeve so as to adjust the height position of the ultra-high and ultra-long material monitoring plate relative to the ultra-wide detection rod.
Wherein, the belt below of uninstallation coal breakage point sets up gravity-feed sensor, and when having overweight material uninstallation, its impact force makes the belt produce decurrent displacement, triggers gravity-feed sensor and produces the sensing signal, and gravity-feed sensor and host computer communication connection to the sensing signal transmission who produces the uninstallation of with overweight material to the host computer.
Wherein, the shape of the coal scattering induction plate is arranged into a dustpan type.
The shell of the ironware detection device is of a ship shape, the size of the shell is divided into various models of 1400 mm, 1200 mm, 1000 mm and 800mm according to the specification of a belt, the shell is fixedly installed on a longitudinal beam rack of the rubber belt conveyor, and a gap of 1-3 CM is kept between a V-shaped surface of the shell and a non-bearing surface of the belt.
Wherein, a buffer spring, a ball universal joint and a quick return spring are also arranged in the protective shell of the coal piling monitoring mechanism; the cross-shaped material touch plate is connected with the connecting rod through a connecting rod, and the connecting part of the connecting rod and the connecting rod is connected through a buffer spring; the connecting rod extends into the protective shell from a through hole formed in the bottom of the protective shell and is fixed through the material level sensor rack, and a spherical universal joint is arranged at the position where the rack is connected with the connecting rod; the through hole is plugged by the dustproof leather sheath, and a quick return spring is arranged between the dustproof leather sheath and the rack.
Be different from prior art, the utility model discloses a multi-functional monitoring alarm device of intelligent conveyer based on PLC control, the device is by host computer, big carbon stone monitoring, water coal monitoring, belt vertically tear and the off tracking spills coal monitoring, ironware monitoring, the super long super wide material monitoring, parts such as coal piling monitoring and audible-visual alarm, information recording display, information communication constitute. The utility model discloses based on monitoring sensor's reliability and accuracy, the foreign matter can be monitored to the accurate nothing mistake.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is the utility model provides a pair of intelligent multi-functional monitoring alarm device of conveyer based on PLC control's schematic structure.
Fig. 2 is the utility model provides a pair of intelligent multi-functional monitoring alarm device of conveyer's super large material monitoring mechanism's schematic structure based on PLC control.
Fig. 3 is the utility model provides a pair of intelligent conveyer multifunctional monitoring alarm device's belt vertically tears and off tracking spills coal monitoring mechanism's structural schematic diagram based on PLC control.
Fig. 4 is the utility model provides a pair of intelligent multi-functional monitoring alarm device of conveyer's ironware monitoring mechanism schematic diagram based on PLC control.
Fig. 5 is the utility model provides a pair of intelligent multi-functional monitoring alarm device of conveyer's coal piling monitoring mechanism schematic diagram based on PLC control.
Fig. 6 is the utility model provides a pair of intelligent multi-functional monitoring alarm device of conveyer's water coal monitoring mechanism schematic diagram based on PLC control.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the utility model provides a multi-functional monitoring alarm device of intelligent conveyer based on PLC control, include: the system comprises a host machine 100, an oversized material monitoring mechanism 200, a belt longitudinal tearing and off-tracking coal sprinkling monitoring mechanism 300, a water coal monitoring mechanism 400, an ironware monitoring mechanism 500 and a coal piling monitoring mechanism 600; the host machine 100 is respectively in communication connection with the oversized material monitoring mechanism 200, the water coal monitoring mechanism 400, the belt longitudinal tearing and deviation coal sprinkling monitoring mechanism 300, the ironware monitoring mechanism 500 and the coal piling monitoring mechanism 600, receives sensing signals transmitted by the mechanisms and gives an alarm; all mechanisms are sequentially or randomly fixedly arranged at the position of a tail roller of the conveyor;
the super-large material monitoring mechanism 200 comprises a gantry support 1, a mounting base 2, a super-high and super-long material monitoring plate 3, a super-wide monitoring rod 7 and a monitoring sensor 8; the mounting seats 2 are arranged on two sides of a conveyor belt, and the gantry support 1 is fixed on the mounting seats 2; 2 ultra-wide monitoring rods 7 are respectively and fixedly connected with two sides of the ultra-high and ultra-long material monitoring plate 3, and the ultra-wide monitoring rods 7 are vertically and downwards fixed at the top of the gantry support 1, so that the ultra-high and ultra-long material monitoring plate 3 is perpendicular to the advancing direction of a conveyor belt; the monitoring sensor 8 is fixedly arranged on the ultra-wide monitoring rod 7, is in communication connection with the host computer 100, and sends a sensed sensing signal to the host computer 100;
the belt longitudinal tearing and off tracking coal scattering monitoring mechanism 300 comprises a return belt straight sweeper 17 and a coal scattering sensor 151; the belt longitudinal tearing and off-tracking coal scattering monitoring device is arranged at a position close to a tail roller of a conveyor, a coal scattering sensor 151 is fixed on a coal scattering protection bracket, one end of the coal scattering protection bracket is fixedly connected to a frame of the conveyor H, the other end of the coal scattering protection bracket is connected with a coal scattering sensing plate 14 through a coal scattering sensing plate rotating shaft 13, and a first magnetic steel 152 is arranged at a counterweight end of the coal scattering sensing plate 14; the return belt straight sweeper 17 spans two sides of the belt, and two ends of the return belt straight sweeper are fixed through two adjacent conveyor H racks; one end of the tail roller is arranged right above the coal scattering induction plate 14 to sweep the fallen coal on the belt to the coal scattering induction plate 14; when the rotation inclination angle of the coal scattering sensor plate 14 is greater than 30 degrees, the magnetic steel 15 approaches the coal scattering sensor 151, so that the coal scattering sensor 151 generates a sensing signal, the coal scattering sensor 151 is in communication connection with the host 100, and the sensed sensing signal is sent to the host 100;
the ironware monitoring mechanism comprises a shell 21, a mounting base 22, a detection circuit board 23 and a detection coil 24; the mounting base 22 is fixed on the longitudinal beam frame of the conveyor, and the shell 21 is fixed on the mounting base 22 and is not contacted with the belt; the detection coil 24 and the detection circuit board 23 are fixedly arranged in the shell 21, and whether ironware is contained in materials conveyed on the belt or not is detected through the detection coil 24; the detection coil 24 is connected with the detection circuit board 23, and the detection circuit board 23 is in communication connection with the host 100 so as to send an induction signal generated when the detection coil 24 induces the ironware to the host 100;
the coal piling monitoring mechanism 600 comprises a coal piling induction device and a coal piling fixing device; the coal piling induction device comprises a cross-shaped material touch plate 31, a connecting rod 34, second magnetic steel 35, an induction switch 36, a material level sensor rack 37 and a protective shell 40; the second magnetic steel 35 and the inductive switch 36 are arranged in the protective shell 40 and are relatively fixed by the material level sensor rack 37; the second magnetic steel 35 is connected to one end of the connecting rod 34, and the other end of the connecting rod 34 extends to the lower part of the protective shell 40 and is connected with the end part of the cross-shaped material touch plate 31, so that the touch plate of the cross-shaped material touch plate 31 vertically faces the belt; the coal piling fixing device comprises an adjusting installation rod 44, one end of the adjusting installation rod is fixedly connected to the conveyor frame, the other end of the adjusting installation rod is fixedly connected with a protective installation bolt 48, the protective installation bolt 48 is fixedly connected with an installation hole 38 formed in the side wall of the protective shell 40, and the position of the coal sensing device is fixed and adjusted through the coal piling fixing device; the inductive switch 36 is in communication connection with the host 100, generates an inductive signal due to the approach of the magnetic steel 35, and sends the generated inductive signal to the host 100;
the water and coal monitoring mechanism 400 comprises a plurality of water and coal detection circuit boxes and flexible detection contact bars 54; the water coal detection circuit box is fixed on the rack and is contacted with materials conveyed on the belt through a flexible detection contact strip 54; the water and coal detection circuit box is connected to the host computer 100, and sends a signal to the host computer when the water and coal detection circuit box judges that water and coal exist.
The gantry support 1 of the oversized material monitoring mechanism 200 comprises models with the widths of 1400 mm, 1200 mm, 1000 mm and 800 mm; is arranged above or in front of the downloading roller; the mounting seat 2 is mounted on a longitudinal beam or an H frame of the conveyor; further comprising: two detection plate rotating shafts 4 and a detection plate adjusting movable sleeve 6; the detection plate rotating shaft 4 is arranged on the beam body of the gantry support and slides relatively along the beam body; one end of the ultra-wide monitoring rod 7 is fixedly connected with one of the detection plate rotating shafts 4 respectively; the two ends of the ultrahigh and overlong material monitoring plate 3 are respectively and fixedly connected with a detection plate adjusting movable sleeve 6, the detection plate adjusting movable sleeve 6 is sleeved outside the rod body of the overlong detection rod 7, and an adjusting screw 5 is arranged outside the detection plate adjusting movable sleeve 6 so as to adjust the height position of the ultrahigh and overlong material monitoring plate 3 relative to the overlong detection rod 7 and the belt.
Wherein, the gravity induction sensor 10 is arranged below the belt of the unloading coal drop point, when the overweight material is unloaded, the impact force thereof makes the belt generate downward displacement, the gravity induction sensor 10 is triggered to generate induction signals, the gravity induction sensor 10 is in communication connection with the host computer 100, so as to send the induction signals generated by the unloading of the overweight material to the host computer 100.
Wherein, the shape of the coal scattering induction plate 14 is set to be dustpan type.
The shell 21 of the ironware detection device 500 is of a ship shape, the size of the shell is divided into various models of 1400 mm, 1200 mm, 1000 mm and 800mm according to the specification of a belt, the shell is fixedly installed on a longitudinal beam rack of the rubber belt conveyor, and a gap of 1-3 CM is kept between a V-shaped surface of the shell 21 and a non-bearing surface of the belt.
Wherein, the protective shell 40 of the coal piling monitoring mechanism 600 is also internally provided with a buffer spring 32, a ball universal joint 42 and a quick return spring 33; the cross-shaped material touch plate 31 is connected with a connecting rod 34 through a connecting rod, and the connecting part of the connecting rod and the connecting rod 34 is connected through a buffer spring 32; the connecting rod 34 extends into the protective shell 40 from a through hole formed in the bottom of the protective shell 40 and is fixed through the material level sensor rack 37, and a spherical universal joint 42 is arranged at the position where the material level sensor rack 37 is connected with the connecting rod 34; the through hole is plugged by a dustproof leather sheath 41, and a quick return spring 33 is arranged between the dustproof leather sheath 41 and the material level sensor rack 37.
As shown in fig. 1, the main unit 100 uses a siemens PLC as a main control element, receives dynamic information monitored by each monitoring mechanism, performs signal analysis and processing, and integrates multiple functions such as display, processing, recording, integrating, alarming, controlling, and communicating. The host computer has rich graphic pictures and multiple functions of real-time data, real-time curves, alarm information, historical records, report printing and the like, and the data can be directly backed up by adopting a USB disk and also can be backed up to other computers and dispatching command centers through RS232/485 communication.
When the signal of a certain channel received by the host is higher than a set alarm value, the display displays the signal, and the alarm gives out an audible and visual voice alarm, immediately controls the belt starter to stop according to the set requirement, and feeds a stop signal back to the host and the display; the alarm signal is required to be uploaded to the dispatching command center and then immediately uploaded to the command center, and meanwhile, the dispatching command center can check the running state of each monitoring device at any time.
As shown in figure 2, the detection of the super-long and super-large materials adopts a gantry touching mode, the sizes of the materials can be divided into several models of 1400 mm, 1200 mm, 1000 mm, 800mm and the like according to the specification of the belt, and the materials can be selected from materials with high strength, good impact resistance and wear resistance. Is arranged above the unloading roller or in front of the unloading point. When the oversized materials are pulled out, the oversized materials are triggered to send out an alarm. The oversized material touch plate 3 is made of flexible materials such as a conveying belt and the like, so that objects such as large carbon stones and the like are prevented from being impacted and collided to damage and deform; the width of super wide monitoring pole 7 slightly is less than belt cell type width, and 7 upper ends of super wide monitoring pole weld with monitoring board pivot 4, and monitoring board pivot 4 can remove about on gantry support's horizontal pole and free rotation for reply belt off tracking and make things convenient for super large material to pass through, slow down the damage of impact force to monitoring devices.
A monitoring sensor 8 is arranged at the rotating shaft of the monitoring rod, when the oversized material passes through, the oversized material touches the oversized material touch plate 3 to move, and a sensing signal is output to the host 100 to indicate that the oversized material passes through; a gravity induction sensor 10 is arranged below a belt of the unloading coal drop point, when overweight materials such as large stone ironware and the like are pulled out and unloaded, the belt is displaced downwards by the impact force (gravity acceleration), the gravity induction sensor 10 is pushed to output induction signals to a host, and the fact that the overweight materials such as large carbon or large stone, ironware and the like are pulled out is indicated.
In fig. 3, the belt longitudinal tearing and off-tracking coal scattering detection adopts a coal scattering touch structure, and is composed of a return belt straight cleaner 17 and a coal scattering sensor 151, and is installed on a return belt in front of a tail roller at a proper position. In FIG. 3, 11 is a mounting hole for coal spray protectionFor the coal scattering sensor bracket 12 is provided with a mounting hole 11 for mounting and fixing, the lower end of the sensor bracket 12 is connected with a coal scattering induction plate 14 through a rotating shaft 13, the induction plate 14 is dustpan-shaped, the counterweight end of the induction plate is provided with a first magnetic steel 152, and when the rotating inclination angle of the coal scattering induction plate 14 is more than 60°First magnetic steel 152 is then magnetic steel proximity sensor 151. If the conveyer belt deviates or is longitudinally torn to cause coal scattering, the scattered coal is certainly pulled to the cleaner 17 by the return belt, the coal cleaned by the cleaner falls on the coal scattering induction plate 14, after the coal scattering induction plate reaches a certain quality, the coal scattering induction plate loses the original balance state and rotates to discharge the coal, meanwhile, the first magnetic steel 152 on the induction plate is instantly close to the coal scattering sensor 151, so that the action of the first magnetic steel outputs a signal to the host 100, and if the sensor 151 continuously acts for more than 2 times within a set time, the host immediately sends out a fault alarm to indicate the coal scattering phenomenon caused by various reasons such as belt tearing and deviation. In the figure, 18 is a frame, 19 is a belt and 20 is a tail roller.
In fig. 4, the housing 21 of the ironware detection mechanism 500 is a ship shape, the size of the ship shape can be divided into several types of 1400 mm, 1200 mm, 1000 mm, 800mm and the like according to the specification of a belt, the ship shape is installed and fixed on a longitudinal beam rack of a rubber belt conveyor, and a gap of 1-3 CM is kept between a V-shaped surface of the housing and a non-bearing surface of the belt. A detection circuit board 22 and 3 detection coils 23 are arranged in the casing. When an ironware passes through the belt, the magnetic field in the detection coil changes under the action of electromagnetic induction, the detection circuit board 22 quickly responds, an induction signal is sent to the host 100, and the host 100 gives an alarm through analysis and judgment.
In the schematic view of fig. 5, the adjustable mounting rod 44 can adjust the coal pile protection to the top, bottom, left, right, front and back positions to optimize the mounting position. The material level sensor is characterized in that the material level sensor 31 is a cross-shaped material touch plate, a connecting rod of the material touch plate is connected with a connecting rod 34 through a buffer spring 32, the connecting rod 34 is connected with a material level sensor rack 37 through a spherical universal joint 42, a second magnetic steel 35 is arranged at the top end of the connecting rod 34, an inductive switch 36 is arranged on the material level sensor rack at the opposite position, and an iron ring 39 is connected with the inductive switch 36. The quick return spring 33 and the iron ring 39 are used for making the cross-shaped material touch plate after action still as soon as possible, and making the second magnetic steel 35 and the inductive switch 36 reset in a positive mode, the dustproof leather sheath 41 prevents coal dust and water vapor from entering the universal joint 42 to influence the action flexibility of the universal joint, the protective shell 40 covers and protects metal or plastic shells, the buffer spring 32 is used for preventing large stones and the like from damaging the impact property of protection, and meanwhile, the cross-shaped touch plate 31 is prevented from being damaged due to deformation or deformation caused by over-time stress. The coal piling protection bracket 37 is connected with a bolt 48 of the adjustable mounting rod 44 through the mounting hole 38, the mounting hole 47 is fixed at a proper position on the frame of the rubber belt conveyor through a bolt, and then the coal piling protection position is optimal through multi-direction fine adjustment of the adjustable mounting rod 44. 45 is an adjusting disk bolt between the multiple rods of the multiple sections of adjustable mounting rods 44, and 43 is an adjusting disk bolt connected between the bolt 48 and the adjustable mounting rods 44; 46 is the belt conveyor mounting end.
The water coal detection mechanism 400 shown in fig. 6 is a water coal detection device composed of 3 sensors, each sensor is composed of a water coal detection circuit box 51, 52 and 53 and a flexible detection contact strip 54, the water coal detection circuit box is installed right above a conveyor belt, the installation distance of the water coal detection circuit box, the water coal detection circuit box and the flexible detection contact strip 54 needs to be set to be 5-10 meters according to the running speed of the conveyor belt, and the lower end of the flexible detection contact strip 54 is suitable for being just not in contact with a belt bearing surface when the belt is in no load. When more water coal is conveyed out of the belt, 3 water coal detection circuit boxes act simultaneously, and the duration time exceeds 1-30 seconds (can be set randomly) according to the running speed of the conveying belt, the host judges that the water coal is used, gives an alarm, reduces the false alarm rate and improves the reliability.
The monitoring alarm and the shutdown control of each unit of the host can be respectively set according to actual needs, various monitoring, alarming, controlling and other functions of the PLC are realized by independently developed PLC programming software, and all software programs capable of realizing the monitoring function described by the invention belong to the protection range.
The host computer also has the functions of historical alarm data inquiry, printing and downloading.
The utility model discloses can also carry out the video monitoring and upgrade, carry out video monitoring to each check point through increasing the camera promptly, shoot when the host computer reports to the police and stay the card, be favorable to the accident to pursue and the responsibility affirmation, improve intelligent management level.
While the embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many modifications may be made by one skilled in the art without departing from the spirit and scope of the present invention as defined in the appended claims.
Claims (6)
1. The utility model provides a multi-functional monitoring alarm device of intelligent conveyer based on PLC control which characterized in that includes: the system comprises a host, an oversized material monitoring mechanism, a belt longitudinal tearing and off-tracking coal scattering monitoring mechanism, a water coal monitoring mechanism, an ironware monitoring mechanism and a coal piling monitoring mechanism; the host machine is respectively in communication connection with the oversized material monitoring mechanism, the water coal monitoring mechanism, the belt longitudinal tearing and deviation coal sprinkling monitoring mechanism, the ironware monitoring mechanism and the coal piling monitoring mechanism, receives sensing signals transmitted by the mechanisms and gives an alarm; each mechanism is fixedly arranged at the proper position of each transfer point or the tail of the conveyor in sequence or randomly;
the ultra-large material monitoring mechanism comprises a gantry support, a mounting seat, an ultra-high and ultra-long material monitoring plate, an ultra-wide monitoring rod and a monitoring sensor; the mounting seats are arranged on two sides of the conveyor belt, and the gantry support is fixed on the mounting seats; 2 ultra-wide monitoring rods are respectively and fixedly connected with two sides of the ultra-high and ultra-long material monitoring plate, and the ultra-wide monitoring rods are vertically and downwards fixed at the top of the gantry support so as to enable the ultra-high and ultra-long material monitoring plate to be vertical to the advancing direction of a conveyor belt; the monitoring sensor is fixedly arranged on the ultra-wide monitoring rod, is in communication connection with the host and sends the sensed sensing signal to the host;
the belt longitudinal tearing and off tracking coal scattering monitoring mechanism comprises a return belt straight sweeper and a coal scattering sensor; the belt longitudinal tearing and off-tracking coal scattering monitoring device is arranged at a position close to a conveyor tail roller or a transfer point, a coal scattering sensor is fixed on a coal scattering protection bracket, one end of the coal scattering protection bracket is fixedly connected to a conveyor H frame, the other end of the coal scattering protection bracket is connected with a coal scattering sensing plate through a coal scattering sensing plate rotating shaft, and a first magnetic steel is arranged at a counterweight end of the coal scattering sensing plate; the return belt straight sweeper stretches across two sides of the belt, and two ends of the return belt straight sweeper are fixed through two adjacent conveyor H racks; one end of the tail roller is arranged right above the coal scattering induction plate to sweep the fallen coal on the belt onto the coal scattering induction plate; when the rotation inclination angle of the coal scattering sensor plate is larger than 30 degrees, the magnetic steel approaches the coal scattering sensor so that the coal scattering sensor generates a sensing signal, the coal scattering sensor is in communication connection with the host, and the sensed sensing signal is sent to the host;
the ironware monitoring mechanism comprises a shell, a mounting base, a detection circuit board and a detection coil; the mounting base is fixed on the longitudinal beam rack of the conveyor, and the shell is fixed on the mounting base and is not contacted with the belt; the detection coil and the detection circuit board are fixedly arranged in the shell, and whether the materials conveyed on the belt contain ironware or not is detected through the detection coil; the detection coil is connected with the detection circuit board, and the detection circuit board is in communication connection with the host machine so as to send an induction signal generated when the detection coil induces the ironware to the host machine;
the coal piling monitoring mechanism comprises a coal piling induction device and a coal piling fixing device; the coal piling sensing device comprises a cross-shaped material touch plate, a connecting rod, second magnetic steel, a sensing switch, a material level sensor rack and a protective shell; the second magnetic steel and the inductive switch are arranged in the protective shell and are relatively and fixedly arranged through the material level sensor rack; the second magnetic steel is connected to one end of the connecting rod, the other end of the connecting rod extends to the lower side of the protective shell and is connected with the end part of the cross-shaped material touch plate, and the touch plate of the cross-shaped material touch plate is enabled to vertically face the belt; the coal piling fixing device comprises an adjusting and mounting rod, one end of the adjusting and mounting rod is fixedly connected to the conveyor frame, the other end of the adjusting and mounting rod is fixedly connected with a protective mounting bolt, the protective mounting bolt is fixedly connected with a mounting hole formed in the side wall of the protective shell, and the position of the coal sensing device is fixed and adjusted through the coal piling fixing device; the induction switch is in communication connection with the host, generates an induction signal due to the approach of the second magnetic steel and sends the generated induction signal to the host;
the water coal monitoring mechanism comprises a plurality of water coal detection circuit boxes and flexible detection contact strips; the water coal detection circuit box is fixed on the rack and is in contact with materials conveyed on the belt through the flexible detection contact strip; the water and coal detection circuit box is connected with the host, and sends a signal to the host when the water and coal detection circuit box judges that water and coal exist.
2. The PLC-control-based intelligent multifunctional monitoring and alarming device for the conveyor as claimed in claim 1, wherein a gantry support of the oversized material monitoring mechanism comprises models with widths of 1400 mm, 1200 mm, 1000 mm and 800 mm; is arranged above or in front of the downloading roller; the mounting seat is arranged on a longitudinal beam or an H frame of the conveyor; further comprising: two detection plate rotating shafts and a detection plate adjusting movable sleeve; the detection plate rotating shaft is arranged on the beam body of the gantry support and slides relatively along the beam body; one end of the ultra-wide monitoring rod is fixedly connected with one of the detection plate rotating shafts respectively; the two ends of the ultra-high and ultra-long material monitoring plate are respectively and fixedly connected with a detection plate adjusting movable sleeve, the detection plate adjusting movable sleeve is arranged on the outer side of the rod body of the ultra-wide detection rod, and an adjusting screw is arranged on the outer side of the detection plate adjusting movable sleeve so as to adjust the height position of the ultra-high and ultra-long material monitoring plate relative to the ultra-wide detection rod.
3. The PLC-based intelligent multifunctional monitoring and alarming device of the conveyor as claimed in claim 1, wherein a gravity sensing sensor is arranged below a belt of the coal drop unloading point, when the overweight material is unloaded, impact force of the gravity sensing sensor causes the belt to displace downwards to trigger the gravity sensing sensor to generate a sensing signal, and the gravity sensing sensor is in communication connection with the host machine so as to send the sensing signal generated by the unloading of the overweight material to the host machine.
4. The PLC-based intelligent multifunctional monitoring and alarming device for the conveyor as claimed in claim 1, wherein the coal scattering sensing plate is shaped as a dustpan.
5. The PLC-based intelligent multifunctional monitoring and alarming device of the conveyor as claimed in claim 1, wherein a housing of the ironware detection device is ship-shaped, the size of the ironware detection device is divided into 1400 mm, 1200 mm, 1000 mm and 800mm according to the specification of a belt, the ironware detection device is fixedly mounted on a longitudinal beam rack of the rubber belt conveyor, and a gap of 1-3 CM is kept between a V-shaped surface of the housing and a non-bearing surface of the belt.
6. The PLC-control-based intelligent multifunctional monitoring and alarming device for the conveyor as claimed in claim 1, wherein a buffer spring, a ball-shaped universal joint and a quick return spring are further arranged inside a protective shell of the coal piling monitoring mechanism; the cross-shaped material touch plate is connected with the connecting rod through a connecting rod, and the connecting part of the connecting rod and the connecting rod is connected through a buffer spring; the connecting rod extends into the protective shell from a through hole formed in the bottom of the protective shell and is fixed through the material level sensor rack, and a spherical universal joint is arranged at the position where the rack is connected with the connecting rod; the through hole is plugged by the dustproof leather sheath, and a quick return spring is arranged between the dustproof leather sheath and the rack.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021069018.4U CN212638949U (en) | 2020-06-11 | 2020-06-11 | Intelligent multifunctional monitoring and alarming device for conveyor based on PLC control |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021069018.4U CN212638949U (en) | 2020-06-11 | 2020-06-11 | Intelligent multifunctional monitoring and alarming device for conveyor based on PLC control |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115359638A (en) * | 2022-08-26 | 2022-11-18 | 山东千颐科技有限公司 | Chute coal piling alarm device |
| CN117068696A (en) * | 2023-10-17 | 2023-11-17 | 山西潞安环保能源开发股份有限公司 | Intelligent recognition belt coal pile monitoring device and method |
| CN117509072A (en) * | 2024-01-08 | 2024-02-06 | 烟台市福山区鼎盛钼业有限公司 | Belt feeder tears detection device |
-
2020
- 2020-06-11 CN CN202021069018.4U patent/CN212638949U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115359638A (en) * | 2022-08-26 | 2022-11-18 | 山东千颐科技有限公司 | Chute coal piling alarm device |
| CN117068696A (en) * | 2023-10-17 | 2023-11-17 | 山西潞安环保能源开发股份有限公司 | Intelligent recognition belt coal pile monitoring device and method |
| CN117068696B (en) * | 2023-10-17 | 2023-12-22 | 山西潞安环保能源开发股份有限公司 | Intelligent recognition belt coal pile monitoring device and method |
| CN117509072A (en) * | 2024-01-08 | 2024-02-06 | 烟台市福山区鼎盛钼业有限公司 | Belt feeder tears detection device |
| CN117509072B (en) * | 2024-01-08 | 2024-03-26 | 烟台市福山区鼎盛钼业有限公司 | Belt feeder tears detection device |
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