CN110371615A - A kind of coal conveyer belts chute blockage detection device - Google Patents
A kind of coal conveyer belts chute blockage detection device Download PDFInfo
- Publication number
- CN110371615A CN110371615A CN201910704871.4A CN201910704871A CN110371615A CN 110371615 A CN110371615 A CN 110371615A CN 201910704871 A CN201910704871 A CN 201910704871A CN 110371615 A CN110371615 A CN 110371615A
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- Prior art keywords
- coal
- conveyer belts
- chute blockage
- blanking tube
- belt feeder
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- 239000003245 coal Substances 0.000 title claims abstract description 99
- 238000001514 detection method Methods 0.000 title claims abstract description 65
- 239000000463 material Substances 0.000 claims abstract description 30
- 230000001960 triggered effect Effects 0.000 claims description 16
- 238000002955 isolation Methods 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 abstract description 16
- 230000000295 complement effect Effects 0.000 abstract description 6
- 238000003912 environmental pollution Methods 0.000 abstract description 5
- 238000009825 accumulation Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 239000003818 cinder Substances 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- 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
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
-
- 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
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
- B65G2201/045—Sand, soil and mineral ore
Landscapes
- Control Of Conveyors (AREA)
Abstract
The invention discloses a kind of coal conveyer belts chute blockage detection devices, including deliver coal belt feeder and the coal conveyer belts for conveying coal charge for feeding, material-falling hopper is equipped between belt feeder and the coal conveyer belts positioned at described deliver coal, it is characterized in that, the material-falling hopper includes receiving hopper and material blanking tube, the material blanking tube is located at the lower section of the receiving hopper, and the receiving hopper and the material blanking tube are respectively interconnected cavity structure, wherein；Two sides are respectively provided with the detection zone of detection chute blockage in the material blanking tube.The utility model has the advantages that the present invention is by integrating a variety of chute blockage detection alternatings and complementary detection, wrong report can not only be effectively avoided to generate, and it prevents coal charge from accumulate coal charge on belt feeder and belt feeder is caused to damage, it also prevents coal charge leakage in blocking and causes environmental pollution and economic loss, it is small by external interference, it can reliably work in severe site environment.
Description
Technical field
The present invention relates to coal handling system technical fields, it particularly relates to a kind of coal conveyer belts chute blockage detection device.
Background technique
It needs to convey coal by belt feeder in thermal power generation, in coal transmission process, usually utilize
Belt conveyer, this mode is provided with material-falling hopper in coal conveying belt chain-drive section, when material-falling hopper blockage phenomenon, need and
When issue chute blockage alarm signal stop belt operation, this be coal handling system belt feeder it is important protection one of, to prevent belt because
Coal spout product coal kill cause belt to break, motor overload plays critically important effect.
It is that material-falling hopper side wall is provided with a side door, the top of side door that original design material-falling hopper blockage detector, which is structure,
It is hinged on the outside of material-falling hopper, when material blocks, material gives material-falling hopper side wall one pressure, by turning for material-falling hopper side wall
Side door push out, when rotate side door touch close to switch when, close to switch send out material-falling hopper blocking alarm signal, letter
It number is transmitted in PLC control system, PLC control system issues halt command to coal conveyer belts, stops belt operation, current
Control logic in, PLC control program design have delays time to control, only when material-falling hopper jam signal persistently kept for 3 or more seconds
When, control system just judges that material-falling hopper blocks, and ceases and desist order to issue belt.
The sensitive surface of current this gate-type material-falling hopper blockage detector is the thickness direction of side door, if blocking is quickly
When being quickly opened suddenly when material-falling hopper blocks moving side door, when side door passes through from close switch surface, because of the thickness of side door
Small, detection time is short, and material-falling hopper blockage detector issues of short duration alarm signal, is unable to reach alarm and persistently keeps 3 seconds
Control system requirement, therefore, control system will not be issued and be ceased and desisted order, even if live material-falling hopper blocks, belt can not yet
Stop in time.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Summary of the invention
For the problems in the relevant technologies, the purpose of the present invention is to propose to a kind of coal conveyer belts chute blockage detection devices, lead to
It crosses and integrates a variety of chute blockage detection alternatings and complementary detection, can not only effectively avoid wrong report from generating, and prevent coal charge in blanking
Accumulating coal charge on belt feeder when blocking in pipe causes belt feeder to damage, and also prevents coal charge leakage in blocking and causes environment
Pollution and economic loss, it is small by external interference, it can reliably work in severe site environment, to overcome existing correlation
Above-mentioned technical problem present in technology.
The technical scheme of the present invention is realized as follows:
A kind of coal conveyer belts chute blockage detection device, including the belt feeder and for conveying the defeated of coal charge of delivering coal for feeding
Coal belt feeder is equipped with material-falling hopper positioned at described deliver coal between belt feeder and the coal conveyer belts, the material-falling hopper includes splicing
Bucket and material blanking tube, the material blanking tube is located at the lower section of the receiving hopper, and the receiving hopper and the material blanking tube are respectively mutual
The cavity structure of connection, wherein；
Two sides are respectively provided with the detection zone of detection chute blockage in the material blanking tube, and the detection zone is described including being connected to
The isolation part of material blanking tube side wall and buffer part positioned at the detection zone bottom end, form between the isolation part and the buffer part
The receiving area being connected with the material blanking tube, the buffer part are arc-shaped structure；
The top of the detection zone is equipped with sensing chamber, the warning triggering for detecting indoor two sides and being respectively equipped with matching setting
Switch and exception-triggered switch, the exception-triggered switch are located at the lower section of the warning trigger switch；
The detection is indoor to be equipped with running plate, the running plate two sides equipped with respectively with the warning trigger switch and described
Exception-triggered switchs matched trigger shrapnel；
The bottom end of the running plate is connected with support rod, and the support rod bottom end extends to the inspection through the sensing chamber
It surveys in area, and the support rod is located in the detection zone equipped with push plate；
The detection zone two sides and it is located at support rod side and is equipped with the infrared transmitter that is mutually matched and infrared for receiving
The receiver of signal.
It further, further include being instructed and the monitoring center for the belt feeder that stops delivering coal for receiving chute blockage, the warning touching
Hair switch and exception-triggered switch are connected with alarm device by relay respectively.
Further, the infrared transmitter is formed into a loop with the receiver and is connected with the monitoring center.
Further, the push plate is tilted structure, and the combination of push plate described in two sides is in splayed structure.
Beneficial effects of the present invention:
1, the present invention is by belt feeder and coal conveyer belts and material-falling hopper the realization coal handling system of delivering coal, when generation material-falling hopper
Chute blockage phenomenon, be located at two sides detection zone will natural packing coal cinder, when coal charge is accumulated it is more when can output to push plate side squeeze
Pressure, thus realize that support rod linkage running plate moves upwards, and when trigger shrapnel contacts warning trigger switch and exception respectively
Corresponding signal circuit is formed when trigger switch, is realized chute blockage detection, is prevented coal charge from so that coal charge is existed when blocking in material blanking tube
Accumulation causes belt feeder to damage on belt feeder, also prevents coal charge leakage in blocking and causes environmental pollution and economic loss.
2, the present invention is designed by detection zone by integrated isolation part and buffer part, avoids the coal charge of nature blanking and output
Accumulation, it is small by external interference, it can reliably work in severe site environment.
3, by building infrared transmitter and receiver in detection zone, foreign blocks realization letter to the present invention under natural conditions
Number circuit, signal circuit can be blocked when coal charge is accumulated, receiver is when occurring and not receiving infrared transmitter signal
There is chute blockage phenomenon, emergency braking is carried out to belt feeder of delivering coal by monitoring center, prevents coal charge from blocking in material blanking tube in time
Equipment damage caused by and, and isolation part can effectively avoid interference of the nature coal breakage to infrared transmitter, furthermore pass through infrared hair
The alternating and complementary detection of emitter and trigger shrapnel, effectively avoid reporting by mistake.
In conclusion the present invention can not only effectively avoid missing by integrating a variety of chute blockage detection alternatings and complementary detection
Report generates, and prevents coal charge from accumulate coal charge on belt feeder and belt feeder is caused to damage, and is also prevented from
Coal charge leakage in blocking causes environmental pollution and economic loss, small by external interference, in severe site environment can
Reliably to work.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of coal conveyer belts chute blockage detection device according to an embodiment of the present invention；
Fig. 2 is the enlarged diagram at the A in Fig. 1.
In figure:
1, it delivers coal belt feeder；2, coal conveyer belts；3, material-falling hopper；4, receiving hopper；5, material blanking tube；6, detection zone；7, it is isolated
Portion；8, buffer part；9, sensing chamber；10, trigger switch is guarded against；11, exception-triggered switchs；12, plate is operated；13, trigger shrapnel；
14, support rod；15, push plate；16, infrared transmitter；17, receiver.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art's every other embodiment obtained belong to what the present invention protected
Range.
According to an embodiment of the invention, providing a kind of coal conveyer belts chute blockage detection device.
According to an embodiment of the invention, providing a kind of coal conveyer belts chute blockage detection device.
Embodiment one
As shown in Figs. 1-2, the embodiment of the present invention one are as follows:
A kind of coal conveyer belts chute blockage detection device, including the belt feeder 1 and for conveying coal charge of delivering coal for feeding
Coal conveyer belts 2 are equipped with material-falling hopper 3 positioned at described deliver coal between belt feeder 1 and the coal conveyer belts 2, the material-falling hopper 3 wraps
Receiving hopper 4 and material blanking tube 5 are included, the material blanking tube 5 is located at the lower section of the receiving hopper 4, and the receiving hopper 4 and the material blanking tube
5 be respectively interconnected cavity structure, wherein；
Two sides are respectively provided with the detection zone 6 of detection chute blockage in the material blanking tube 5, and the detection zone 6 includes being connected to
The isolation part 7 of 5 side wall of material blanking tube and buffer part 8 positioned at 6 bottom end of detection zone, the isolation part 7 and the buffering
The receiving area being connected with the material blanking tube 5 is formed between portion 8, the buffer part 8 is arc-shaped structure；
The top of the detection zone 6 is equipped with sensing chamber 9, and two sides are respectively equipped with the warning of matching setting in the sensing chamber 9
Trigger switch 10 and exception-triggered switch 11, the exception-triggered switch 11 are located at the lower section of the warning trigger switch 10；
Be equipped with running plate 12 in the sensing chamber 9,12 two sides of running plate equipped with respectively with the warning trigger switch
10 and the matched trigger shrapnel 13 of the exception-triggered switch 11；
The bottom end of the running plate 12 is connected with support rod 14, and 14 bottom end of support rod extends through the sensing chamber 9
In to the detection zone 6, and the support rod 14 is located in the detection zone 6 equipped with push plate 15；
6 two sides of detection zone and it is located at 14 side of support rod and is equipped with the infrared transmitter 16 that is mutually matched and for connecing
Receive the receiver 17 of infrared signal.
With the aid of the technical scheme, by delivering coal belt feeder 1 and coal conveyer belts 2 and material-falling hopper 3 realizes defeated coal measures
System, when occur 3 chute blockage phenomenon of material-falling hopper, be located at two sides detection zone 6 will natural packing coal cinder, when coal charge accumulation it is more when can produce
Out to the extruding force of 15 side of push plate, thus realize that the linkage running plate 12 of support rod 14 moves upwards, and when trigger shrapnel 13 is divided
Corresponding signal circuit is formed when Jie Chu not guard against trigger switch 10 and exception-triggered switch 11, is realized chute blockage detection, is prevented
Coal charge accumulates coal charge on belt feeder when blocking in material blanking tube 5 belt feeder is caused to damage, and also prevents coal charge in blocking
Leakage causes environmental pollution and economic loss, is furthermore designed, is avoided certainly by integrated isolation part 7 and buffer part 8 by detection zone 6
The coal charge accumulation of right blanking and output, it is small by external interference, it can reliably work in severe site environment.
It further include being instructed and the monitoring center for the belt feeder 1 that stops delivering coal for receiving chute blockage in its above scheme, the police
It guards against trigger switch 10 and the exception-triggered switch 11 is connected with alarm device by relay respectively.The infrared transmitter 16 with
The forming circuit of receiver 17 is connected with the monitoring center.By building infrared transmitter 16 in detection zone 6 and receiving
Foreign blocks realization signal circuit to device 17 under natural conditions, and signal circuit, receiver 17 can be blocked when coal charge is accumulated
It is chute blockage phenomenon occur when appearance does not receive 16 signal of infrared transmitter, belt feeder 1 of delivering coal is carried out by monitoring center
Emergency braking, prevent in time coal charge blocked in material blanking tube 5 and caused by equipment damage, and isolation part 7 can effectively avoid nature
Furthermore interference of the coal breakage to infrared transmitter 16 passes through the alternating of infrared transmitter 16 and trigger shrapnel 13 and mutually reexamines
It surveys, effectively avoids reporting by mistake.
Meeting extruding force of the output to 15 side of push plate, described to push away when preferably can realize that coal charge accumulates more for push plate 15
Plate 15 is tilted structure, and the combination of push plate 15 described in two sides is in splayed structure.
In practical applications, trigger shrapnel 13 and exception-triggered switch 11 formation trigger signal circuit when and receiver 17
The transmitting signal for not receiving infrared transmitter 16 is chute blockage, occupies one of or both of which when detection and is
Chute blockage occurs, and furthermore operating plate 12 and the warning formation of trigger switch 10 trigger signal can be warning chute blockage signal.
In conclusion by means of above-mentioned technical proposal of the invention, it can be achieved that following effect:
1, the present invention realizes coal handling system by deliver coal belt feeder 1 and coal conveyer belts 2 and material-falling hopper 3, when falling
3 chute blockage phenomenon of hopper, be located at two sides detection zone 6 will natural packing coal cinder, when coal charge accumulation is more can output to push plate 15
The extruding force of side, thus realize that the linkage running plate 12 of support rod 14 moves upwards, and when trigger shrapnel 13 contacts warning respectively
Corresponding signal circuit is formed when trigger switch 10 and exception-triggered switch 11, is realized chute blockage detection, is prevented coal charge in blanking
Accumulating coal charge on belt feeder when blocking in pipe 5 causes belt feeder to damage, and also prevents coal charge leakage in blocking and causes ring
Border pollution and economic loss.
2, the present invention is designed by detection zone 6 by integrated isolation part 7 and buffer part 8, avoids nature blanking and output
Coal charge accumulation, it is small by external interference, it can reliably work in severe site environment.
3, by building infrared transmitter 16 and receiver 17 in detection zone 6, foreign blocks reality to the present invention under natural conditions
Existing signal circuit, signal circuit can be blocked when coal charge is accumulated, and receiver 17 occurs not receiving the letter of infrared transmitter 16
Number when be there is chute blockage phenomenon, by monitoring center to deliver coal belt feeder 1 carry out emergency braking, prevent coal charge in blanking in time
Blocking in pipe 5 and caused by equipment damage, and isolation part 7 can effectively avoid interference of the nature coal breakage to infrared transmitter 16, this
The outer alternating and complementary detection for passing through infrared transmitter 16 and trigger shrapnel 13, effectively avoids reporting by mistake.
In conclusion the present invention can not only effectively avoid missing by integrating a variety of chute blockage detection alternatings and complementary detection
Report generates, and prevents coal charge from accumulate coal charge on belt feeder when blocking in material blanking tube 5 and belt feeder is caused to damage, and is also prevented from
Coal charge leakage in blocking causes environmental pollution and economic loss, small by external interference, in severe site environment can
Reliably to work.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (4)
1. a kind of coal conveyer belts chute blockage detection device, including the belt feeder of delivering coal (1) for feeding and for conveying coal charge
Coal conveyer belts (2) are equipped with material-falling hopper (3) between the belt feeder of delivering coal (1) and the coal conveyer belts (2), special
Sign is that the material-falling hopper (3) includes receiving hopper (4) and material blanking tube (5), and the material blanking tube (5) is located at the receiving hopper (4)
Lower section, and the receiving hopper (4) and the material blanking tube (5) they are respectively interconnected cavity structure, wherein；
The interior two sides of the material blanking tube (5) are respectively provided with the detection zone (6) of detection chute blockage, and the detection zone (6) includes connection
Isolation part (7) in the material blanking tube (5) side wall and the buffer part (8) positioned at the detection zone (6) bottom end, the isolation part
(7) receiving area being connected with the material blanking tube (5) is formed between the buffer part (8), the buffer part (8) is arc-shaped
Structure；
The top of the detection zone (6) is equipped with sensing chamber (9), and the interior two sides of the sensing chamber (9) are respectively equipped with the police of matching setting
Trigger switch (10) and exception-triggered switch (11) are guarded against, the exception-triggered switch (11) is located at the warning trigger switch (10)
Lower section；
Running plate (12) is equipped in the sensing chamber (9), the running plate (12) two sides are equipped with opens with warning triggering respectively
Close (10) and exception-triggered switch (11) matched trigger shrapnel (13)；
The bottom end of running plate (12) is connected with support rod (14), and the sensing chamber (9) are run through in support rod (14) bottom end
It extends in the detection zone (6), and the support rod (14) is located in the detection zone (6) equipped with push plate (15)；
Detection zone (6) two sides and it is located at support rod (14) side and is equipped with the infrared transmitter (16) that is mutually matched and for connecing
Receive the receiver (17) of infrared signal.
2. a kind of coal conveyer belts chute blockage detection device according to claim 1, which is characterized in that further include for receiving
Chute blockage instructs and the monitoring center for belt feeder (1) that stops delivering coal, the warning trigger switch (10) and exception-triggered switch
(11) alarm device is connected with by relay respectively.
3. a kind of coal conveyer belts chute blockage detection device according to claim 2, which is characterized in that the infrared transmitter
(16) it is formed into a loop with the receiver (17) and is connected with the monitoring center.
4. a kind of coal conveyer belts chute blockage detection device according to claim 1, which is characterized in that the push plate (15) is
Tilted structure, and push plate described in two sides (15) combination is in splayed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910704871.4A CN110371615B (en) | 2019-07-30 | 2019-07-30 | Coal blocking detection device of coal conveying belt conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910704871.4A CN110371615B (en) | 2019-07-30 | 2019-07-30 | Coal blocking detection device of coal conveying belt conveyor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110371615A true CN110371615A (en) | 2019-10-25 |
| CN110371615B CN110371615B (en) | 2024-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910704871.4A Active CN110371615B (en) | 2019-07-30 | 2019-07-30 | Coal blocking detection device of coal conveying belt conveyor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110371615B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111498414A (en) * | 2020-04-02 | 2020-08-07 | 烟台汽车工程职业学院 | Conveying device of automobile electronic assembly line |
| CN114313886A (en) * | 2021-11-22 | 2022-04-12 | 大唐渭南热电有限公司 | Coal pipe coal scattering detection device and coal conveying equipment in thermoelectric production |
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| JPH06255749A (en) * | 1993-03-04 | 1994-09-13 | Onoda Cement Co Ltd | Device for detecting powder clogging of cyclone chute |
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| CN114313886A (en) * | 2021-11-22 | 2022-04-12 | 大唐渭南热电有限公司 | Coal pipe coal scattering detection device and coal conveying equipment in thermoelectric production |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110371615B (en) | 2024-05-28 |
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