CN109516127B - Scraper chain component fracture and stall monitoring system for scraper conveyor of matched bin - Google Patents
Scraper chain component fracture and stall monitoring system for scraper conveyor of matched bin Download PDFInfo
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- CN109516127B CN109516127B CN201811503464.9A CN201811503464A CN109516127B CN 109516127 B CN109516127 B CN 109516127B CN 201811503464 A CN201811503464 A CN 201811503464A CN 109516127 B CN109516127 B CN 109516127B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 25
- 238000001514 detection method Methods 0.000 claims abstract description 69
- 238000006073 displacement reaction Methods 0.000 claims description 49
- 230000005540 biological transmission Effects 0.000 claims description 17
- 230000010365 information processing Effects 0.000 claims description 15
- 238000003860 storage Methods 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 16
- 230000036961 partial effect Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000002829 reductive effect Effects 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- 238000007790 scraping Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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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
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/06—Control devices, e.g. for safety, warning or fault-correcting interrupting the drive in case of driving element breakage; Braking or stopping loose load-carriers
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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
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/02—Control or detection
- B65G2203/0266—Control or detection relating to the load carrier(s)
- B65G2203/0275—Damage on the load carrier
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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
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
- B65G2203/042—Sensors
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- Control Of Conveyors (AREA)
Abstract
The invention discloses a scraper chain component breakage and stall monitoring system for a scraper conveyor in a matched bin, which comprises a mounting rack, a supporting plate, a cylinder, a connecting rod, a detection baffle, a detection sheet, an alarm, a non-contact sensor and a control system.
Description
Technical Field
The invention relates to the technical field of scraper conveyors, in particular to a scraper chain component breakage and stall monitoring system for a scraper conveyor in a matched bin.
Background
The scraper chain components and the equipment power system inside the conveying groove box of the scraper conveyor are easy to generate the conditions of scraper fracture, scraper chain fracture and stall in the long-time working process, the equipment power system and parts inside the conveying groove box and the machine heads, the machine tails and the like are seriously damaged, the scraper chain components and the equipment power system inside the conveying groove box of the scraper conveyor are frequently shut down and overhauled, the maintenance process of the scraper chain components and the equipment power system inside the conveying groove box is complicated, the maintenance speed is low, the production is seriously influenced, the states of the scraper fracture, the scraper chain fracture and stall cannot be detected in real time in the prior art, real-time effective scraper fracture, scraper chain fracture and stall data are difficult to obtain, and the shutdown caused by the scraper fracture, the scraper chain fracture and the stall is difficult to be effectively eradicated.
Disclosure of Invention
In view of the foregoing, there is a need for a scraper chain assembly breakage and stall monitoring system for a scraper conveyor.
The utility model provides a join in marriage storehouse scraper conveyor and use scraper chain subassembly fracture and stall monitored control system, including mounting bracket, backup pad, drum, connecting rod, detection baffle, detection piece, alarm, non-contact sensor, control system, the mounting bracket sets up the top of joining in marriage storehouse scraper conveyor conveyer trough box, the mounting bracket is the open and inside hollow I shape component in top, and has seted up the through-hole in the mounting bracket bottom, the backup pad sets up in the inside of mounting bracket, the drum sets up in the backup pad of mounting bracket inside, the connecting rod top passes the through-hole in mounting bracket bottom and with drum fixed connection, so that the connecting rod receives the external force back drive drum and freely swings along the axis direction of drum, the connecting rod is vertical direction setting, the connecting rod bottom sets up in the upper end of conveyer trough box inside upper chain scraper, the detection baffle sets up in one side of connecting rod bottom, and the direction of operation of detection baffle equals to make the upper chain scraper blade promote detection baffle and rotate and reset along the axis direction of drum, make the drum produce rotary displacement, the detection piece sets up in the drum one end, be used for producing the same rotary displacement with drum, the sensor sets up in the input end to the inside the conveying trough box, the control system is arranged in the input end is arranged in the adjacent to the detection groove, the input end is arranged in the input end of the control system, the input end is used for the input end is set up to the sensor is set up to the input to the sensor to the control system;
the control system comprises an information receiving unit, an information processing unit, an information transmission unit and an information storage unit, wherein the information receiving unit is used for receiving displacement signals transmitted by the non-contact sensor and transmitting the displacement signals to the information processing unit, the information processing unit classifies the displacement signals into early warning signals and stop signals, the information processing unit transmits the early warning signals and the stop signals to the information transmission unit, the information transmission unit transmits the early warning signals to the alarm, the information transmission unit transmits the stop signals to the control end of the bin allocation scraper conveyor, the control end performs stop processing on the bin allocation scraper conveyor, the information transmission unit simultaneously transmits the stop signals to the alarm, and the information storage unit is used for storing the early warning signals and the stop signals.
Preferably, the connecting rod comprises a first hollow tube, a first pin nut component, a second hollow tube and a first connecting piece, wherein the top end of the first hollow tube penetrates through a through hole in the bottom end of the mounting frame and is fixedly connected with the cylinder through the first pin nut component, the second hollow tube penetrates from the bottom end of the first hollow tube and extends to the inside of the first hollow tube, the second hollow tube is fixedly connected with the first hollow tube through the first connecting piece, the adjustment of the distance of the second hollow tube in the vertical direction is realized, the first hollow tube and the second hollow tube are rigid tube bodies, and the first connecting piece is a bolt nut component and is provided with a plurality of connecting pieces.
Preferably, the two sides of the cylinder are also provided with a first connecting lug and a second connecting lug.
Preferably, the backup pad includes first backup pad body, second backup pad body, first backup pad body perpendicular to drum axis direction sets up in the inside of mounting bracket one end, and has seted up first oval through-hole and first L type through-hole on first backup pad body to make first engaging lug pass first L type through-hole and set up in first oval through-hole bottom, second backup pad body perpendicular to drum axis direction sets up in the inside of mounting bracket other end, and has seted up second oval through-hole and second L type through-hole on the second backup pad body, so that second engaging lug passes second L type through-hole and sets up in the oval through-hole bottom of second.
Preferably, the detection baffle is further provided with a rubber plate and a second pin nut assembly, the length of the rubber plate is greater than that of the detection baffle, the rubber plate is arranged in the running direction of the winding scraper, and the second pin nut assembly is provided with a plurality of rubber plates.
Preferably, the diameter of the input end of the non-contact sensor is the same as the width of the detection sheet, and the axis of the input end of the non-contact sensor coincides with the midpoint of the vertical direction of the detection sheet.
Preferably, the bottom end of the mounting frame is further provided with a connecting flange for fixing the mounting frame on the top of the conveying groove box.
Preferably, the top end of the mounting frame is also provided with an upper capping plate, and the upper capping plate is a transparent rigid plate body.
Preferably, the mounting frame is further provided with a second connecting piece for setting up upper portion capping board on the mounting frame top, still be provided with the third connecting piece on the mounting frame for with mounting frame bottom mounting set up in the top of conveyer trough groove case, second connecting piece, third connecting piece are bolt and nut subassembly, and are provided with a plurality of.
Preferably, a protective net is further arranged outside the mounting frame.
According to the invention, the cylinder, the connecting rod, the detection baffle, the detection sheet and the non-contact type sensor are arranged in the mounting frame, the detection baffle and the connecting rod are pushed to rotate along the axial direction of the cylinder by the upper chain scraping plate in the operation process, the detection baffle and the connecting rod are restored to the original position after the rotation is finished, so that the cylinder generates rotary displacement, the detection sheet on the cylinder is driven to generate the same rotary displacement, the non-contact type sensor can monitor the rotary displacement and form a displacement signal, the real-time monitoring of the scraper chain component in the conveying trough box is realized, the scraper chain component in the conveying trough box is provided with a plurality of upper chain scraping plates, the cylinder is pushed by the upper chain scraping plates in the operation process, a plurality of rotary displacement signals are generated by the non-contact type sensor, the whole real-time monitoring of the scraper chain component in the conveying trough box is realized, the displacement signals are transmitted to the control system by the non-contact type sensor, and the displacement signals are classified into early warning signals and stop signals by the control system, and the early warning and the stop under the condition of the breakage and the stall of the scraper chain component are realized.
The invention fills the current situation that the scraper fracture or the scraper chain fracture or the power system failure cannot be detected on the conventional bin-matching scraper conveyor, can obtain more practical, higher application range and higher precision detection data, realizes timely early warning and shutdown under the conditions of the scraper chain component fracture and stall through the control system, can treat the scraper chain component at the fastest speed, avoids serious damage to equipment power systems, parts, heads, machine tails and the like in the conveying trough box under the conditions of the scraper chain component fracture and stall, timely maintains the bin-matching scraper conveyor according to the early warning signal, prevents the equipment from being damaged too much and scrapped, can obviously reduce the shutdown probability, effectively control the range of harm, reduce the occurrence of production accidents, greatly improve the safety level and the production efficiency and reduce the production cost.
Drawings
FIG. 1 is a schematic front view of a scraper chain assembly breakage and stall monitoring system for a scraper conveyor.
Fig. 2 is an enlarged partial schematic elevation view of a scraper chain assembly breakage and stall monitoring system for a scraper conveyor.
FIG. 3 is a schematic side view of a scraper chain assembly breakage and stall monitoring system for a scraper conveyor.
FIG. 4 is an enlarged partial side view schematic of a scraper chain assembly breakage and stall monitoring system for a scraper conveyor.
Fig. 5 is a schematic side view of the connecting rod.
Fig. 6 is a schematic front view of the connecting rod.
Fig. 7 is a schematic structural view of the first support plate.
Fig. 8 is an enlarged schematic view of a non-contact sensor.
Fig. 9 is a schematic diagram of a control system.
Fig. 10 is a schematic view of a conventional structure of a support plate.
In the figure: the device comprises a mounting frame 10, a connecting flange 11, an upper top cover plate 12, a second connecting piece 13, a third connecting piece 14, a protective net 15, a supporting plate 20, a first supporting plate body 21, a first oval through hole 211, a first L-shaped through hole 212, a second supporting plate body 22, a cylinder 30, a first connecting lug 31, a second connecting lug 32, a connecting rod 40, a first hollow pipe 41, a first pin nut component 42, a second hollow pipe 43, a first connecting piece 44, a detection baffle 50, a rubber plate 51, a second pin nut component 52, a detection piece 60, an alarm 70, a non-contact sensor 80, a control system 90, an information receiving unit 91, an information processing unit 92, an information transmitting unit 93 and an information storage unit 94; a trough box 100, a top chain 101, and a top chain scraper 102.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Referring to fig. 1 to 9, the invention provides a scraper chain component breakage and stall monitoring system for a scraper conveyor in a compartment, which comprises a mounting frame 10, a support plate 20, a cylinder 30, a connecting rod 40, a detection baffle 50, a detection sheet 60, an alarm 70, a non-contact sensor 80 and a control system 90, wherein the mounting frame 10 is arranged at the top of a groove box 100 of the scraper conveyor in the compartment, the mounting frame 10 is an I-shaped member with an open top and a hollow inside, a through hole is arranged at the bottom end of the mounting frame 10, the support plate 20 is arranged in the mounting frame 10, the cylinder 30 is arranged on the support plate 20 in the mounting frame 10, the top end of the connecting rod 40 passes through the through hole at the bottom end of the mounting frame 10 and is fixedly connected with the cylinder 30, so that the connecting rod 40 can drive the cylinder 30 to swing freely along the axis direction of the cylinder 30 after being subjected to external force, the connecting rod 40 is arranged in the vertical direction, the bottom end of the connecting rod 40 is arranged at the upper end of the upper chain scraper 102 in the conveying trough box 100, the detection baffle 50 is arranged at one side of the bottom end of the connecting rod 40, the bottom end of the detection baffle 50 is leveled with the running direction of the upper chain scraper 102, so that the upper chain scraper 102 contacts with the detection baffle 50 in the running process, the upper chain scraper 102 pushes the detection baffle 50 and the connecting rod 40 to rotate along the axial direction of the cylinder 30 and automatically reset, so that the cylinder 30 generates rotary displacement, the detection sheet 60 is arranged at one end of the cylinder 30 and is used for generating the same rotary displacement with the cylinder 30, the output end of the non-contact sensor 80 is arranged outside the mounting frame 10, the input end of the non-contact sensor 80 is arranged adjacent to the detection sheet 60 and is used for monitoring the rotary displacement of the detection sheet 60, forming a displacement signal and transmitting the displacement signal to the control system 90, the control system 90 is arranged on the scraper conveyor of the warehouse, and the alarm 70 is arranged on the top of the conveying trough box 100;
the scraper chain component comprises an upper chain 101, an upper chain scraper 102, a lower chain scraper and a lower chain scraper;
the scraper chain assembly comprises a plurality of upper chain scrapers 102, wherein in the operation process of the scraper chain assembly, a first upper chain scraper 102 is firstly contacted with the detection baffle 50 and pushes the detection baffle 50 and the connecting rod 40 to rotate along the axial direction of the cylinder 30, after the rotation is finished, the detection baffle 50 and the connecting rod 40 are restored to the original positions, so that the cylinder 30 generates a first rotary displacement, a second upper chain scraper 102 repeats the movement process of the first upper chain scraper 102 to generate a second rotary displacement, and the plurality of upper chain scrapers 102 repeat the movement process until a plurality of rotary displacements are generated; the cylinder 30 is provided with a detection sheet 60, and the cylinder 30 generates a plurality of rotary displacements and drives the detection sheet 60 to generate the same rotary displacement;
the control system 90 comprises an information receiving unit 91, an information processing unit 92, an information transmission unit 93 and an information storage unit 94, wherein the information receiving unit 91 is used for receiving a displacement signal M1 transmitted by the non-contact sensor 80 and transmitting the displacement signal M1 to the information processing unit 92, the information processing unit 92 is provided with a preset signal M0, when M1 is less than or equal to M0, the scraper chain component of the warehouse scraper conveyor is indicated to work well, when M1 is less than or equal to 2 times M0, the scraper chain component of the warehouse scraper conveyor is indicated to have bad conditions, such as partial breakage of the scraper, partial breakage of the scraper chain, partial stall caused by failure of a device power system and the like, timely alarm is needed, and the displacement signal when M1 is less than or equal to 2 times M0 is marked as an early warning signal M2, when M1 is more than or equal to 2 times M0, the method is characterized in that serious adverse conditions such as broken scraping plates, stop of a power system of equipment and the like of the scraper chain assembly of the warehouse-matching scraper conveyor are illustrated, immediate shutdown is needed, a displacement signal with M1 being more than 2 times of M0 is marked as a shutdown signal M3, the displacement signal is classified into an early warning signal M2 and a shutdown signal M3, the early warning signal M2 and the shutdown signal M3 are transmitted to an information transmission unit 93 by the information processing unit 92, the early warning signal M2 is transmitted to an alarm 70 by the information transmission unit 93, the alarm 70 gives an alarm, the shutdown signal M3 is transmitted to a control end of the warehouse-matching scraper conveyor by the information transmission unit 93, the warehouse-matching scraper conveyor is subjected to shutdown processing by the control end, the shutdown signal M3 is simultaneously transmitted to an alarm 70 and is alarmed by the alarm 70, and the early warning signal M2 is stored by the information storage unit 94, A shutdown signal M3;
the occurrence of an early warning signal M2 indicates that the situation of partial fracture of a scraper, partial fracture of a scraper chain, partial stall and the like of the scraper conveyor in the bin is likely to damage equipment power systems, parts, heads, machine tails and the like in the conveying trough box 100, hidden danger can be eliminated in time after alarming and overhauling, the possibility of dangerous accidents is reduced, the occurrence of the dangerous accidents is prevented, meanwhile, the occurrence probability of shutdown signals M3 can be greatly reduced according to the timely overhauling of the early warning signal M2; the shutdown signal M3 shows that the scraper conveyor with the bin has serious conditions of broken scrapers, broken scraper chains, stalled and the like, and needs to be immediately shut down for maintenance, so that the equipment power system and parts in the conveying trough box 100 and the machine heads, the machine tails and the like are prevented from being seriously damaged after the scraper chain components are broken, the damage range can be effectively controlled, the equipment is prevented from being damaged and scrapped too much, and the production accidents are reduced.
Referring to fig. 5 and 6, further, the connecting rod 40 includes a first hollow tube 41, a first pin nut component 42, a second hollow tube 43, and a first connecting member 44, where the top end of the first hollow tube 41 passes through a through hole at the bottom end of the mounting frame 10 and is fixedly connected with the cylinder 30 through the first pin nut component 42, so that the first hollow tube 41 and the cylinder 30 are connected into a whole, the second hollow tube 43 penetrates from the bottom end of the first hollow tube 41 and extends into the first hollow tube 41, the second hollow tube 43 can be disposed at different positions inside the first hollow tube 41, and is fixedly connected with the first hollow tube 41 through the first connecting member 44, so that the distance between the second hollow tube 43 and the first hollow tube 41 in the vertical direction is adjusted, the first hollow tube 41 and the second hollow tube 43 are rigid tubes, the scraper chain component has higher kinetic energy in the moving process, the first hollow tube 41 and the second hollow tube 43 are arranged as rigid tubes, it can be ensured that the first hollow tube 41 and the second hollow tube 43 are not bent after being subjected to the situation, the second hollow tube 43 is not broken, and the second hollow tube 43 is further connected with the cylinder 30 through the first hollow tube 41 and the first hollow tube 43 is further arranged as a plurality of rigid tubes, and the connecting member is fixedly connected with the first hollow tube 30 through the connecting member, and the connecting member is stably arranged.
Referring to fig. 3 to 6, further, the first and second connection lugs 31 and 32 are further disposed on two sides of the cylinder 30, and the first and second connection lugs 31 and 32 are long cylinders, so that the first and second connection lugs 31 and 32 are disposed behind the first and second elliptical through holes 211 and 32, and the cylinder 30 can be ensured to freely rotate on the first and second support plates 21 and 22, and cannot be separated from the first and second elliptical through holes 211 and 22 in the free rotation process.
Referring to fig. 1 to 4, 7 and 8, the support plate 20 further includes a first support plate 21 and a second support plate 22, the first support plate 21 and the second support plate 22 are completely symmetrical, the first support plate 21 is perpendicular to the axis direction of the cylinder 30 and is disposed inside one end of the mounting frame 10, and a first elliptical through hole 211 and a first L-shaped through hole 212 are formed in the first support plate 21, so that the first connecting lug 31 passes through the first L-shaped through hole 212 and is disposed at the bottom end of the first elliptical through hole 211, the second support plate 22 is perpendicular to the axis direction of the cylinder 30 and is disposed inside the other end of the mounting frame 10, and a second elliptical through hole and a second L-shaped through hole are formed in the second support plate 22, so that the second connecting lug 32 passes through the second L-shaped through hole and is disposed at the bottom end of the second elliptical through hole.
Referring to fig. 7, specifically, in the process of conveying raw coal, the height of the raw coal may exceed the design height of the uplink scraper 102 in the conveying chute tank 100, so that the uplink scraper 102 moves along the first elliptical through hole 211 and/or the second elliptical through hole while pushing the detection baffle 50 and the connecting rod 40 to rotate along the axial direction of the cylinder 30, the cylinder 30 has a tendency to separate from the first support plate 21 and the second support plate 22 in the vertical direction, and by arranging the first L-shaped through hole 212 on one side of the first elliptical through hole 211 and the second L-shaped through hole on one side of the second elliptical through hole, the cylinder 30 can be prevented from separating from the first support plate 21 and the second support plate 22, thereby ensuring accurate and stable rotational displacement of the cylinder 30.
As shown in fig. 10, the support plate body in the prior art is provided with an inclined through hole, the cylinder rotates on the inclined through hole between the two support plate bodies, if the height of raw coal or material is too high, the connecting rod connected with the cylinder is jacked up to vertically move upwards, and then the cylinder is driven to move upwards in an inclined manner, the greater the thrust force received by the connecting rod is, the greater the risk that the cylinder moves upwards in an inclined manner and is separated from the cylinder is, the measuring precision of the sensor is seriously affected, or the sensor is caused to detect failure. The invention can prevent the cylinder 30 from separating from the first support plate 21 and the second support plate 22 by arranging the first elliptical through hole 211, the first L-shaped through hole 212, the second elliptical through hole and the second L-shaped through hole, thereby ensuring the accurate and stable rotary displacement of the cylinder 30.
The first connecting lug 31 of the cylinder 30 passes through the first L-shaped through hole 212 and is arranged at the bottom end of the first oval through hole 211, the first L-shaped through hole 212 limits the movement of the first connecting lug 31, so that the first connecting lug 31 of the cylinder 30 is buckled in the first oval through hole 211, the second connecting lug 32 of the cylinder 30 passes through the second L-shaped through hole and is arranged at the bottom end of the second oval through hole, and the second L-shaped through hole limits the movement of the second connecting lug 32, so that the second connecting lug 32 is buckled in the second oval through hole. Through setting up first L type through-hole 212, first oval through-hole 211, second L type through-hole, oval through-hole of second, be favorable to with the first engaging lug 31 of drum, second engaging lug 32 buckle on the through-hole of first backup pad body 21, second backup pad body 22, make the installation of drum, dismantle simple and convenient swiftly, and drum rotation stability is good, is difficult for breaking away from on the first backup pad body 21, the second backup pad body 22.
The connection of the center of gravity of the cylinder 30 coincides with the axis of the cylinder 30 during rotation of the cylinder 30, so that the rotation of the cylinder 30 has a high degree of stability, which would adversely affect the actual rotational displacement if it were arranged in a non-cylindrical shape.
Referring to fig. 1, 3, 5 and 6, further, the detection baffle 50 is further provided with a rubber plate 51 and a second pin nut assembly 52, the length of the rubber plate 51 is greater than that of the detection baffle 50, the rubber plate 51 is disposed in the running direction of the upper chain scraper 102, and the second pin nut assembly 52 is provided with a plurality of second pin nut assemblies.
The detection baffle 50 and the upper chain scraper 102 are all easy-to-wear rigid members in the process of pushing the detection baffle 50 and the connecting rod 40 to rotate along the axial direction of the cylinder 30, the rubber plate 51 is arranged on the detection baffle 50, and the length of the rubber plate 51 is larger than that of the detection baffle 50, so that the stress buffer area of the rubber plate 51 is larger, the abrasion of the upper chain scraper 102 and the detection baffle 50 can be effectively reduced, and meanwhile, the stress of the detection baffle 50 can be ensured to be more sufficient and uniform.
Referring to fig. 1 to 5, further, the diameter of the input end of the non-contact sensor 80 is the same as the width of the detecting piece 60, and the axis of the input end of the non-contact sensor 80 coincides with the midpoint of the detecting piece 60 in the vertical direction.
The input end of the non-contact sensor 80 is fixedly arranged in the mounting frame 10, the detection sheet 60 is arranged on the cylinder 30 to generate the same rotary displacement as the cylinder 30, the detection sheet 60 can generate a plurality of rotary displacements in the process of conveying raw coal by the scraper chain component, the diameter of the input end of the non-contact sensor 80 is identical to the width of the detection sheet 60, the accuracy of monitoring the rotary displacement of the detection sheet 60 by the input end of the non-contact sensor 80 is guaranteed, the monitoring error of the input end of the non-contact sensor 80 is reduced, and the axle center of the input end of the non-contact sensor 80 coincides with the midpoint of the vertical direction of the detection sheet 60, so that the input end of the non-contact sensor 80 always monitors the central area of the detection sheet 60, and the monitoring of the input end of the non-contact sensor 80 is guaranteed to be free of blind areas.
The non-contact sensor 80 is a non-contact displacement sensor.
Referring to fig. 1 to 4, further, a connecting flange 11 is further disposed at the bottom end of the mounting frame 10, for fixing the mounting frame 10 on the top of the conveying trough box 100, so as to ensure that the mounting frame 10 is stably disposed.
Referring to fig. 1 to 4, further, an upper capping plate 12 is further disposed at the top end of the mounting frame 10, and the upper capping plate 12 is a transparent rigid plate body.
After the installation of the components such as the cylinder 30, the support plate 20, the non-contact sensor 80 and the like in the installation frame 10 is completed, the upper top cover plate 12 is arranged at the top end of the installation frame 10, so that the damage to the components in the installation frame 10 caused by the particulate matters in the operation site entering the installation frame 10 can be prevented, and the accurate monitoring of the rotary displacement of the detection sheet 60 at the input end of the non-contact sensor 80 is ensured; and the upper capping plate 12 is a transparent rigid plate body, so that the visual real-time monitoring of the non-contact sensor 80 is realized.
Referring to fig. 1 to 4, further, the mounting frame 10 is further provided with a second connecting member 13 for arranging the upper capping plate 12 on the top end of the mounting frame 10, and the mounting frame 10 is further provided with a third connecting member 14 for arranging the bottom end of the mounting frame 10 on the top of the conveying trough box 100, and the second connecting member 13 and the third connecting member 14 are bolt-nut assemblies and are provided with a plurality of connecting members.
Referring to fig. 1 to 4, further, a protection net 15 is further disposed outside the mounting frame 10, so as to prevent large particles on the operation site from entering the mounting frame 10, and reduce serious damage of the large particles to internal components of the mounting frame 10.
The specific implementation steps are as follows:
1) The scraper chain component breakage and stall monitoring system for the scraper conveyor of the bin is operated, and the scraper conveyor of the bin is operated;
2) The first uplink scraper 102 pushes the detection baffle 50 and the connecting rod 40 to rotate along the axis direction of the cylinder 30 in the running process, and after the rotation is finished, the detection baffle 50 and the connecting rod 40 are restored to the original positions, so that the cylinder 30 generates a rotary displacement, and further the detection piece 60 on the cylinder 30 is driven to generate the same rotary displacement;
3) The non-contact sensor 80 monitors a rotational displacement and generates a displacement signal M1, which is transmitted to the control system 90;
4) The scraper chain assembly in the conveying trough box 100 comprises a plurality of upper chain scrapers 102, the plurality of upper chain scrapers 102 enable the cylinder 30 to generate a plurality of rotary displacements in the running process, and further drive the detecting piece 60 to generate the same rotary displacement, and the non-contact sensor 80 forms a plurality of displacement signals M1;
5) The information receiving unit 91 receives the displacement signal M1 transmitted from the noncontact sensor 80, and transmits the displacement signal M1 to the information processing unit 92; the information processing unit 92 is provided with a preset signal M0, and classifies M1 into an early warning signal M2 and a stop signal M3 after comparing M1 with M0; the information transmission unit 93 transmits an early warning signal M2 to the alarm 70, the alarm 70 gives an alarm, the information transmission unit 93 transmits a shutdown signal M3 to a control end of the warehouse matching scraper conveyor, the control end performs shutdown processing on the warehouse matching scraper conveyor, and the information transmission unit 93 simultaneously transmits the shutdown signal M3 to the alarm 70, and the alarm 70 gives an alarm; the information storage unit 94 is used for storing the early warning signal M2 and the stop signal M3.
The modules or units in the device of the embodiment of the invention can be combined, divided and deleted according to actual needs.
The foregoing disclosure is illustrative of the preferred embodiments of the present invention, and is not to be construed as limiting the scope of the invention, as it is understood by those skilled in the art that all or part of the above-described embodiments may be practiced with equivalents thereof, which fall within the scope of the invention as defined by the appended claims.
Claims (7)
1. The utility model provides a join in marriage storehouse scraper conveyor with scraper chain subassembly fracture and stall monitored control system which characterized in that: the automatic detection device comprises a mounting frame, a supporting plate, a cylinder, a connecting rod, a detection baffle, a detection sheet, an alarm, a non-contact sensor and a control system, wherein the mounting frame is arranged at the top of a conveying groove box of a scraper conveyor of a distribution bin, the mounting frame is an I-shaped member with an open top end and a hollow interior, a through hole is formed in the bottom end of the mounting frame, the supporting plate is arranged inside the mounting frame, the cylinder is arranged on the supporting plate inside the mounting frame, the top end of the connecting rod passes through the through hole in the bottom end of the mounting frame and is fixedly connected with the cylinder, so that the connecting rod is driven to swing freely along the axial direction of the cylinder after being subjected to external force, the connecting rod is arranged in a vertical direction, the bottom end of the connecting rod is arranged at the upper end of a scraper in the conveying groove box, the detection baffle is arranged at one side of the bottom end of the connecting rod, and the bottom end of the detection baffle is leveled with the running direction of the scraper conveyor of the upper chain, so that the upper chain scraper is pushed to rotate along the axial direction of the cylinder and automatically reset, the cylinder is enabled to generate rotary displacement, the detection sheet is arranged at one end of the cylinder for generating the same rotary displacement, the output end of the connecting rod is arranged at the output end of the cylinder and is fixedly connected with the cylinder, the non-contact sensor is arranged at the output end, and the output end is arranged at the same, and the detection sheet is arranged at the input end, and the detection system, and the detection sheet is arranged at the top, and adjacent to the detection system, and the detection system;
the control system comprises an information receiving unit, an information processing unit, an information transmission unit and an information storage unit, wherein the information receiving unit is used for receiving displacement signals transmitted by a non-contact sensor and transmitting the displacement signals to the information processing unit, the information processing unit classifies the displacement signals into early warning signals and stop signals, the information processing unit transmits the early warning signals and the stop signals to the information transmission unit, the information transmission unit transmits the early warning signals to an alarm, the information transmission unit transmits the stop signals to a control end of the bin allocation scraper conveyor, the control end performs stop processing on the bin allocation scraper conveyor, the information transmission unit simultaneously transmits the stop signals to the alarm, and the information storage unit is used for storing the early warning signals and the stop signals; the connecting rod comprises a first hollow pipe, a first pin nut component, a second hollow pipe and a first connecting piece, wherein the top end of the first hollow pipe penetrates through a through hole at the bottom end of the mounting frame and is fixedly connected with the cylinder through the first pin nut component, the second hollow pipe penetrates from the bottom end of the first hollow pipe and extends into the first hollow pipe, the second hollow pipe is fixedly connected with the first hollow pipe through the first connecting piece, the adjustment of the distance of the second hollow pipe in the vertical direction is realized, the first hollow pipe and the second hollow pipe are rigid pipe bodies, and the first connecting piece is a bolt nut component and is provided with a plurality of connecting pieces; the two sides of the cylinder are also provided with a first connecting lug and a second connecting lug; the backup pad includes first backup pad body, second backup pad body, first backup pad body perpendicular to drum axis direction sets up the inside in mounting bracket one end, and has seted up first oval through-hole and first L type through-hole on first backup pad body to make first engaging lug pass first L type through-hole and set up in first oval through-hole bottom, second backup pad body perpendicular to drum axis direction sets up the inside at the mounting bracket other end, and has seted up second oval through-hole and second L type through-hole on the second backup pad body, so that second engaging lug passes second L type through-hole and sets up in the oval through-hole bottom of second.
2. The scraper chain assembly breakage and stall monitoring system for a matched bin scraper conveyor according to claim 1, wherein: the detection baffle is further provided with a rubber plate and a second pin nut component, the length of the rubber plate is greater than that of the detection baffle, the rubber plate is arranged in the running direction of the upper chain scraper, and the second pin nut component is provided with a plurality of rubber plates.
3. The scraper chain assembly breakage and stall monitoring system for a matched bin scraper conveyor according to claim 1, wherein: the diameter of the non-contact sensor input end is the same as the width of the detection sheet, and the axis of the non-contact sensor input end coincides with the midpoint of the detection sheet in the vertical direction.
4. The scraper chain assembly breakage and stall monitoring system for a matched bin scraper conveyor according to claim 1, wherein: the mounting bracket bottom still is provided with flange for with the mounting bracket fixed set up in the top of conveyer trough tank.
5. The scraper chain assembly breakage and stall monitoring system for a matched bin scraper conveyor according to claim 1, wherein: the top end of the mounting frame is also provided with an upper capping plate, and the upper capping plate is a transparent rigid plate body.
6. The scraper chain assembly breakage and stall monitoring system for a matched bin scraper conveyor according to claim 1, wherein: still be provided with the second connecting piece on the mounting bracket for set up upper portion capping board in the mounting bracket top, still be provided with the third connecting piece on the mounting bracket for set up the mounting bracket bottom mounting in the top of conveyer trough groove case, second connecting piece, third connecting piece are bolt and nut subassembly, and are provided with a plurality of.
7. The scraper chain assembly breakage and stall monitoring system for a matched bin scraper conveyor according to claim 1, wherein: the outside of mounting bracket still is provided with the protection network.
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| CN201811503464.9A CN109516127B (en) | 2018-12-10 | 2018-12-10 | Scraper chain component fracture and stall monitoring system for scraper conveyor of matched bin |
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| CN201811503464.9A CN109516127B (en) | 2018-12-10 | 2018-12-10 | Scraper chain component fracture and stall monitoring system for scraper conveyor of matched bin |
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| CN109516127A (en) | 2019-03-26 |
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