CN203806601U - Integrated monitoring protection device of scraper conveyor - Google Patents
Integrated monitoring protection device of scraper conveyor Download PDFInfo
- Publication number
- CN203806601U CN203806601U CN201420187267.1U CN201420187267U CN203806601U CN 203806601 U CN203806601 U CN 203806601U CN 201420187267 U CN201420187267 U CN 201420187267U CN 203806601 U CN203806601 U CN 203806601U
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- proximity transducer
- detection lug
- slat conveyer
- chain
- tail wheel
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Abstract
The utility model relates to scraper conveyors, in particular to an integrated monitoring protection device of a scraper conveyor. The integrated monitoring protection device solves the technical problems that according to an existing scraper conveyor, a chain is prone to dislocation, a scraper is prone to inclination, the rotation speed of a tail wheel is not uniform, and the normal operation of the system is affected. The integrated monitoring protection device of the scraper conveyor comprises a chain dislocation monitoring device. The chain dislocation monitoring device comprises a pair of fixing supports vertically installed above a cover plate of the scraper conveyor, wherein the middle upper portion of each fixing support is provided with a bearing through a horizontal shaft, the outer circles of the bearings are fixedly provided with detecting sheets matched with a scraper, and the lower ends of the detecting sheets are lower than the horizontal position of the scraper. The upper portions of the fixing supports are provided with first proximity sensors matched with the upper portions of the detecting sheets. The integrated monitoring protection device is simple in structure, low in cost and capable of effectively protecting operation safety of the scraper conveyor.
Description
Technical field
The utility model relates to slat conveyer, is specially a kind of slat conveyer comprehensive monitoring fender guard.
Background technology
Along with washery automatization level progressively improves, than travelling apron, although slat conveyer has the electric protection functions such as excess current, disconnected speed, disconnected phase, temperature, little for the safety guard-safeguard of scrapper conveyor itself, cannot meet production actual demand.
Washery slat conveyer used at present, it is mainly made up of cast stone tank 13, driving device 14, machine head chain wheel 15, scraper plate 5 and round-link chain 16, when slat conveyer normally moves, driving device provides power by machine head chain wheel, scraper plate and round-link chain are substantially in plumbness, round-link chain connects in turn and forms cochain road 17, scraper plate 5 operate steadily on cochain road (as Fig. 7).
The slat conveyer modal fault that is in operation is cable chain or jumps chain, jumps the position of chain and mostly occurs at head and tail.The reason that causes cable chain is many, as local glass cermaic plate in tank comes off, the spoil of the head gear teeth and the wearing and tearing of tail race, coarsegrain enters the point of engagement etc. of sprocket wheel, chute cleaning dredging difficulty is large, and labour intensity is high, and brings scrapper conveyor to owe other potential faults such as speed operation simultaneously.Wherein if cause scraper plate or chain breakage, the processing time will reach 4-5 hour, even more of a specified duration generally at 1-2 hour the processing time of scrapper conveyor minor failure.Have a strong impact on system normal operation.And maintenance amount is large, labour intensity is high, equipment has damage in various degree, brings potential safety hazard to equipment operation later.
Through the field observation to after et out of order, find that scrapper conveyor occurs to jump chain fault, be nearly all first because of chain cable chain, then cause and jump chain, and be all generally monolateral chain escape sprocket engagement point, cause both sides chain dislocation, make scraper plate and chain in heeling condition operation (as shown in Figure 8).
Now, if can stop in time processing, the short time just can normally be moved by restorer.But if do not find in time to process, the L value of " cable chain " is increasing, misplaces more and more serious, be just easy to cause and break chain, damage cast stone tank Huo Lian road, the hazard rating of jumping chain fault is expanded.
Owing to affecting the many factors of scrapper conveyor cable chain, jumping chain, therefore, be difficult to take corresponding measure thoroughly to eliminate the generation of cable chain, jumping chain accident for all influence factors.According to above to scrapper conveyor cable chain, jump the analysis of chain fault, the jumping chain fault no matter because of which kind of reason causing, it is crooked that the feature that on-the-spot major embodiment goes out is exactly both sides chain dislocation and scraper plate.
Therefore, can study a kind of slat conveyer operating state monitoring system according to this phenomenon of the failure, find in time fault, check processing in time, to avoid jumping the harm that chain fault is brought, reduces the impact on producing to greatest extent.
The component part of owing fast fault monitoring device that scrapper conveyor uses at present in addition has sensor, signal input (monitoring point) etc.Owe speed protection Main Function and be monitoring scrapper conveyor and owe fast fault in operation process, send in time shutdown signal, avoid fault spread.Installation of sensors, on tail tank, is equipped with an induction iron plate on tail wheel, and it is along with tail wheel moves in a circle, and induction iron plate is corresponding with sensor station on tail wheel.When the every rotation of tail wheel one week, by sensor once, sensor with regard to closure once, and imported PLC module into closure signal to induction iron plate.In upper computer, by construction procedures, judged by internal processes.
Existing defect of owing speed system is as follows: because installation of sensors is on tail tank, because scrapper conveyor tail wheel entered after long-play, there will be unavoidably tail wheel tilt phenomenon, induction iron plate can depart from sensor detection range, cause sensor incoming signal cannot be detected, there is flase alarm phenomenon, affect system normal operation.
Summary of the invention
The utility model is that chain dislocation easily occurs the current scrapper conveyor of solution and scraper plate is crooked and the inhomogeneous technical matters that affects system normal operation of tail wheel velocity of rotation, and a kind of slat conveyer comprehensive monitoring fender guard is provided.
The utility model is to adopt following technical scheme to realize: a kind of slat conveyer comprehensive monitoring fender guard, comprise cable chain control monitor unit, described cable chain control monitor unit comprises a pair of fixed support that is vertically arranged on slat conveyer cover plate top, each support bracket fastened middle and upper part is all provided with a bearing by horizontal shaft, the outer ring of bearing is fixed with a detection lug matching with scraper plate, and described detection lug is by the sheathed outer ring that is fixed on bearing, its middle and upper part; The lower end of described detection lug is lower than the level attitude of scraper plate; The middle part that fixed support is provided with horizontal shaft one side is provided with one for the limiting stopper spacing to detection lug; The first proximity transducer matching with detection lug top is equipped with on described support bracket fastened top; The signal output part of each the first proximity transducer is connected with the PLC controller of establishing Rockwell ControlLogix system and RSLogix5000 software in one jointly, and the signal output part of described PLC controller is connected with the first warning device.
Scraper plate is operation forward under the drive of upper chain, and scraper plate touches the lower end of detection lug, and detection lug rotates around horizontal shaft, and the switching to the first proximity transducer is realized in the upper end of detection lug; If chain dislocation does not occur scraper plate, the signal that two the first proximity transducers detect is transferred on PLC controller simultaneously, and the first warning device can not start, and illustrates that scrapper conveyor running state is normal.In the time there is cable chain fault in scrapper conveyor, anti-jump chain apparatus (being detection lug) is asynchronous with the operation of scraper plate, the signal that now two the first proximity transducers detect is not to be transferred on PLC controller simultaneously, the first warning device sends alarm, staff can notify post to carry out spot examination in time, determines the fault cause occurring, the chain rupture accident of removing a hidden danger, avoid appearance to cause because of scraper plate cable chain.
It is poor that speed by scraper plate and displacement carry out setting-up time, and in the time that the synchronization time difference of two the first proximity transducer output signals exceedes setting value, program detects as fault (cable chain or jump chain).
Proximity transducer is called again approach switch, that one directly contacts and manipulable position switch without carrying out machinery with movable parts, in the time that the sensitive surface of object proximity switch arrives operating distance, do not need Mechanical Contact and apply any pressure to make switch motion, thereby drive DC electric apparatus or provide control command to computing machine (plc) device.Approach switch is kind of a switching mode sensor (being noncontacting switch), and the characteristic of its existing travel switch, micro-switch has sensing capabilities simultaneously, and reliable in action, stable performance, frequency response is fast, application life is long, and antijamming capability waits by force and has features such as waterproof, shockproof, withstanding corrosion.Proximity transducer has Multiple Type available.
As shown in Figure 3, when a scraper plate is by behind the below of detection lug, detection lug is with regard to return, and limiting stopper is now spacing for detection lug is carried out, and prevents that detection lug from rotating excessive can not detection next scraper plate.The PLC controller of inside establishing Rockwell ControlLogix system and RSLogix5000 software can complete and above-mentioned synchronizing signal be detected and then the function of start signal output the first warning device, and this software and PLC controller are existing known products.
Further, also comprise and owe fast fault monitoring device, described in owe fast fault monitoring device and comprise the second proximity transducer being arranged on slat conveyer tail wheel end cap; On tail wheel wheel shaft, in the one side corresponding with the tail wheel end cap that the second proximity transducer is installed, be fixed with rotation path by the induction nut of the second proximity transducer detecting location; The signal output part of described the second proximity transducer is connected with the signal input part of PLC controller.
According to being prone to tail wheel tilt phenomenon after scrapper conveyor long-play, induction nut is installed on tail wheel wheel shaft, it is moved in a circle under the prerequisite that does not affect tail wheel normal operation, tail wheel rotates a circle, and induction nut is followed tail wheel and is rotated a circle.The second proximity transducer is arranged on the tail wheel end cap position corresponding with tail wheel wheel shaft, and corresponding with induction nut location.When the every rotation of tail wheel one week, induction nut by the second proximity transducer once, the second proximity transducer with regard to closure once, and closure signal is imported into PLC controller, the internal processes that the second proximity transducer just can obtain the speed of tail wheel rotation according to the time difference opening and closing and be transferred to PLC controller judges, if tail wheel speed is not within specialized range or inhomogeneous, PLC controller just notifies the first warning device to send alerting signal.The second proximity transducer described in the utility model, induction nut, tail wheel form complete structure, make the second proximity transducer detection range no longer be subject to tail wheel obliquity effects, stop the generation (as shown in Figure 4) of flase alarm phenomenon.
The utility model plays vital protective effect to slat conveyer in daily normal production; embody stable in place in operation process middle scraper conveyer comprehensive monitoring protection system; failure rate is low, and monitor accurately in real time the advantages such as slat conveyer running state.The perfect protection deficiency of slat conveyer self, breaks down once improve slat conveyer, has a strong impact on system normal operation, and the passive production maintenance situation that maintenance amount is large, labour intensity is high.The utility model equipment therefor is simple in structure, and cost is lower, can effectively protect the safe in operation of slat conveyer, has reduced the potential safety hazard occurrence probability of slat conveyer, has improved production efficiency.
Brief description of the drawings
The main TV structure schematic diagram of Fig. 1 cable chain control monitor unit described in the utility model.
The plan structure schematic diagram of Fig. 2 cable chain control monitor unit described in the utility model.
The side-looking structural representation of Fig. 3 cable chain control monitor unit described in the utility model.
Fig. 4 main TV structure schematic diagram of owing fast fault monitoring device described in the utility model.
The structural representation of Fig. 5 tail wheel rotating shaft of owing fast fault monitoring device described in the utility model.
Fig. 6 side-looking structural representation of owing fast fault monitoring device described in the utility model.
The structural representation of the normal operating scrapper conveyor of Fig. 7.
The structural representation of the scrapper conveyor of Fig. 8 generation cable chain.
1-fixed support, 2-detection lug, 3-the first proximity transducer, 4-bearing, 5-scraper plate, 6-slat conveyer cover plate, 7-limiting stopper, 8-horizontal shaft, 9-tail wheel end cap, 10-the second proximity transducer, 11-tail wheel wheel shaft, 12-responds to nut, 13-cast stone tank, 14-driving device, 15-machine head chain wheel, 16-round-link chain, 17-cochain road, 18-discharge port, 19-tail wheel.
Detailed description of the invention
A kind of slat conveyer comprehensive monitoring fender guard, comprise cable chain control monitor unit, described cable chain control monitor unit comprises a pair of fixed support 1 that is vertically arranged on slat conveyer cover plate 6 tops, the middle and upper part of each fixed support 1 is all provided with a bearing 4 by horizontal shaft 8, the outer ring of bearing 4 is fixed with a detection lug 2 matching with scraper plate 5, and described detection lug 2 is by the sheathed outer ring that is fixed on bearing 4, its middle and upper part; The lower end of described detection lug 2 is lower than the level attitude of scraper plate 5; The middle part that fixed support 1 is provided with horizontal shaft 8 one sides is provided with one for the limiting stopper 7 spacing to detection lug 2; The first proximity transducer 3 matching with detection lug 2 tops is equipped with on the top of described fixed support 1; The signal output part of each the first proximity transducer 3 is connected with the PLC controller of establishing Rockwell ControlLogix system and RSLogix5000 software in one jointly, and the signal output part of described PLC controller is connected with the first warning device.
Also comprise and owe fast fault monitoring device, described in owe fast fault monitoring device and comprise the second sensor 10 being arranged on slat conveyer tail wheel end cap 9; On tail wheel wheel shaft 11, in the one side corresponding with the tail wheel end cap 9 that the second proximity transducer 10 is installed, be fixed with rotation path by the induction nut 12 of the second proximity transducer 10 detecting locations; The signal output part of described the second proximity transducer 10 is connected with the signal input part of PLC controller.
Detection lug 2 surfaces are fixed with polyurethane adhesive cortex.Can effectively alleviate the wearing and tearing of scraper plate 5 to detection lug 2.Position relationship between detection lug 2 and fixed support 1, horizontal shaft 8 and bearing 4 ensures that the distance of detection lug 2 and first sensor 3 is all the time within detection range.
Described the first proximity transducer 3 adopts OMRON (Omron) E2E-X10MY2-M1-Z type, the second proximity transducer 10 adopts OMRON(Omron) E2E-X10MY2-M1-Z type, the first warning device is industrial computer, and reports to the police by industrial computer collection control program.
As shown in Figure 1, detection lug 2 is positioned at the front of scraper plate 5 sense of motions, a scraper plate 5 travels forward, touch the lower end of detection lug 2, detection lug 2 just rotates around horizontal shaft 8, the upper end on the go of detection lug 2 starts or disconnection the first proximity transducer 3, two the first proximity transducers 3 send the signal starting or disconnect to PLC controller respectively, PLC controller under the support of interior Rockwell ControlLogix system of establishing and RSLogix5000 software to the energy-saving analysis of the time of acquisition of signal, and judge according to predefined threshold value, whether output signal control the first warning device is opened, Fig. 3 can find out that scraper plate touches the lower end of detection lug, and detection lug 2 rotates, and the upper end of detection lug 2 also starts or closes the first proximity transducer 3.In Fig. 4, can find out the structural representation of whole tail wheel 19, owe fast fault monitoring device and be arranged on tail wheel 19, tail wheel wheel shaft 11 is arranged on the bearing in bearing seat, and the external stability of bearing seat has tail wheel end cap 9; Therefore tail wheel wheel shaft 11 becomes one with tail wheel end cap 9, tail wheel 19 run-off the straights are rotated rear tail wheel end cap 9 also along with run-off the straight, between the two, relative position is fixed, be that the induction nut of installing in tail wheel rotating shaft 11 can pass through all the time the second proximity transducer 10 in rotation process, therefore can be subject to the startup of external action or disconnect the second proximity transducer 10.The micro-Qinhuangdao of slat conveyer China Tech coal mine machinery limited liability company produces, model SGB1200, SGB1400.The S7-300PLC controller that PLC controller can adopt Siemens Company to produce.The connection mode of PLC controller and industrial computer and sensor is those skilled in the art's known technology, is easy to realize.
Claims (4)
1. a slat conveyer comprehensive monitoring fender guard, it is characterized in that, comprise cable chain control monitor unit, described cable chain control monitor unit comprises a pair of fixed support (1) that is vertically arranged on slat conveyer cover plate (6) top, the middle and upper part of each fixed support (1) is all provided with a bearing (4) by horizontal shaft (8), the outer ring of bearing (4) is fixed with a detection lug (2) matching with scraper plate (5), and described detection lug (2) is by the sheathed outer ring that is fixed on bearing (4), its middle and upper part; The lower end of described detection lug (2) is lower than the level attitude of scraper plate (5); The middle part that fixed support (1) is provided with horizontal shaft (8) one sides is provided with one for the limiting stopper (7) spacing to detection lug (2); The first proximity transducer (3) matching with detection lug (2) top is equipped with on the top of described fixed support (1); The signal output part of each the first proximity transducer (3) is connected with the PLC controller of establishing Rockwell ControlLogix system and RSLogix5000 software in one jointly, and the signal output part of described PLC controller is connected with the first warning device.
2. slat conveyer comprehensive monitoring fender guard as claimed in claim 1, is characterized in that, also comprise and owe fast fault monitoring device, described in owe fast fault monitoring device and comprise the second proximity transducer (10) being arranged on slat conveyer tail wheel end cap (9); In the upper one side corresponding with the tail wheel end cap (9) that the second proximity transducer (10) is installed of tail wheel wheel shaft (11), be fixed with rotation path by the induction nut (12) of the second proximity transducer (10) detecting location; The signal output part of described the second proximity transducer (10) is connected with the signal input part of PLC controller.
3. slat conveyer comprehensive monitoring fender guard as claimed in claim 1 or 2, is characterized in that, detection lug (2) surface is fixed with polyurethane adhesive cortex.
4. slat conveyer comprehensive monitoring fender guard as claimed in claim 1 or 2; it is characterized in that; described the first proximity transducer (3) adopts OMRON E2E-X10MY2-M1-Z type; the second proximity transducer (10) adopts OMRON E2E-X10MY2-M1-Z type, and the first warning device is industrial computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420187267.1U CN203806601U (en) | 2014-04-17 | 2014-04-17 | Integrated monitoring protection device of scraper conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420187267.1U CN203806601U (en) | 2014-04-17 | 2014-04-17 | Integrated monitoring protection device of scraper conveyor |
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| Publication Number | Publication Date |
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| CN203806601U true CN203806601U (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420187267.1U Expired - Fee Related CN203806601U (en) | 2014-04-17 | 2014-04-17 | Integrated monitoring protection device of scraper conveyor |
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| CN (1) | CN203806601U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105035647A (en) * | 2015-07-31 | 2015-11-11 | 神华集团有限责任公司 | Scraper conveyer detecting device and method |
| CN108482976A (en) * | 2018-04-19 | 2018-09-04 | 榆林学院 | A kind of shallow-tank separator chain monitoring and protecting device |
| CN109436675A (en) * | 2018-12-10 | 2019-03-08 | 宁夏天地奔牛实业集团有限公司 | Distribution Warehouse scraper plate for scraper conveyor climbing tooth point jumps tooth condition monitoring system |
| CN115744140A (en) * | 2022-11-19 | 2023-03-07 | 河南启欧通用机械有限公司 | State detection device for ultra-flat chain type scraper conveyor |
-
2014
- 2014-04-17 CN CN201420187267.1U patent/CN203806601U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105035647A (en) * | 2015-07-31 | 2015-11-11 | 神华集团有限责任公司 | Scraper conveyer detecting device and method |
| CN108482976A (en) * | 2018-04-19 | 2018-09-04 | 榆林学院 | A kind of shallow-tank separator chain monitoring and protecting device |
| CN109436675A (en) * | 2018-12-10 | 2019-03-08 | 宁夏天地奔牛实业集团有限公司 | Distribution Warehouse scraper plate for scraper conveyor climbing tooth point jumps tooth condition monitoring system |
| CN109436675B (en) * | 2018-12-10 | 2024-04-19 | 宁夏天地奔牛实业集团有限公司 | Scraper blade climbing tooth tip and tooth jumping state monitoring system for scraper conveyor of matched bin |
| CN115744140A (en) * | 2022-11-19 | 2023-03-07 | 河南启欧通用机械有限公司 | State detection device for ultra-flat chain type scraper conveyor |
| CN115744140B (en) * | 2022-11-19 | 2023-09-05 | 河南启欧通用机械有限公司 | State detection device for ultra-flat chain type scraper conveyor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20190417 |