CN209720820U - Based on the conveyor belt breaking alarm device close to switch - Google Patents
Based on the conveyor belt breaking alarm device close to switch Download PDFInfo
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- CN209720820U CN209720820U CN201822267193.3U CN201822267193U CN209720820U CN 209720820 U CN209720820 U CN 209720820U CN 201822267193 U CN201822267193 U CN 201822267193U CN 209720820 U CN209720820 U CN 209720820U
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- belt
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- alarm device
- alarm
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Abstract
The utility model relates to based on more, the chain complexity of feed belt, the remote warning device of installation site close to the feed belt breaking alarm device more particularly to a kind of metallurgy industry feed belt switched.Belt conveyor is a kind of more commonly used solid material conveying equipment of modern industrial and mining enterprises, belt slippage, idle running, tearing are again the most common failures of belt conveyor, for the safe and reliable operation for ensuring belt conveyor, accurate, timely, Sensitive Detection to belt slippage failure just seems most important.Thus, we are in line with saving, simple, practical principle, in conjunction with belt conveyor industrial and mining enterprises use objective reality, a kind of simple reliable feed belt breaking alarm device of self manufacture, a series of problems, such as belt not only be can solve due to accident caused by being broken, but also can detecte belt slippage, idle running influence normal transport, mitigates the labor intensity of staff significantly, the failure rate for also reducing travelling belt simultaneously, ensures the stable yields natural labor of blast furnace.
Description
Technical field
The utility model is a kind of conveyor belt breaking alarm device more particularly to a kind of belt strip based on close to switch
It is remote to count more, chain complexity, installation site, the conveyor belt breaking alarm device of maintenance difficult.
Background technique
Blast furnace ironmaking raw material type is more, and demand is big, is generally transported by transmission belt, and a plurality of same luck of belt is needed
It is defeated, it cannot shut down, mutual linking between each belt, gap is small between belt, and some belt installation sites are remote, and maintenance is tired
It is difficult.And existing belt does not have belt fracture accident warning device, can not promptly and accurately make fault alarm, any belt
Failure, it will directly result in buildup, fracture, buildup need to be handled manually, considerably increase the labor intensity of worker, and disconnected
Material, will result directly in blast furnace can not normal feed, directly affect blast furnace and just generate.
Blast furnace ironmaking raw material conveyor belt has following features: (1) raw material type is more, and conveying capacity is big；(2) belt quantity is more,
Chain complexity；(3) mounting distance is small between belt, maintenance difficult；(4) existing belt drives driven wheel rotation, nothing by driving wheel
Belt slippage, idle running, fracture alarm detection device.(5) belt cannot shut down during normal production；(6) belt installation environment
Condition is poor, and fugitive dust is big, noise is big.
It has great significance in conclusion developing one kind and can timely and effectively detect belt failure device.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, technical problem to be solved by the utility model is: blast furnace feeding conveys
Belt must run simultaneously and stop with belt failure detection device；It is big that detection device allows for adapting to belt scene fugitive dust
Environment；Host computer procedure detects the setting of site transport belt failure signal time rationally, can carry out event to break signal in time
Barrier alarm；The preferably special audio alert of alarm, is mixed with to avoid with other alarms, so that signal receives mistake；Skin
Band fracture defect detection device need at the scene with the same alarm of operating room；The utility model provides a set of based on defeated close to what is switched
Belt fracture warning device is sent, can effectively solve the problems, such as fracture caused by blast furnace ironmaking feed belt fracture, idle running, skidding,
The working environment that fugitive dust is big, noise is big is adapted to again.
The technical scheme adopted by the utility model to solve the technical problem is as follows: including the induction on driven wheel bearing
Iron block, the pedestal steel bar being mounted on driven wheel bearing block and the contactless proximity switch being fixedly mounted by pedestal steel bar.Also
Including the intermediate relay being set in belt feeder transporter control cabinet and it is set to the indoor alarm of operation and PLC control system,
Intermediate relay is connected with close switch and is followed by power supply, and wherein power supply controls electromechanical source quoted from conveyor belt.Intermediate relay
Device and the input terminal of PLC control system connect, and the output end of the alarm and PLC control system connects.
It advanced optimizes, the normally-closed contact ground connection of the intermediate relay, the number of normally opened contact and PLC control system
The connection of word amount input module.
It advanced optimizes, alarm is phonetic alarm.
The warning device based on the conveyor belt fracture close to switch of the utility model switches on-off function using close
Can, it is rotated using live belt slave wheel (tail wheel), PLC system acquires on-off model；It is powered according to live belt conveyor
Voltage, determination need to install contactless proximity switch type selecting parameter.It is fed belt slave wheel (tail wheel) installation site according to scene, point
Cloth situation determines the outer dimension close to inductive switching block and pedestal steel bar, and it is convenient close to switch-mode regulation to guarantee；Close to switch sense
Answer block welding in equipment of conveyer driven wheel cental axial position, it is ensured that induction iron block and driven wheel rotate synchronously；According to induction iron
Block installation site determines close to switch installation site, then welds pedestal steel bar, it is ensured that close to switch installation, maintenance, adjusting side
Just, while not influence the normal work of remaining equipment；Intermediate relay is installed additional in belt feeder transporter control cabinet, and in belt
Machine controls power end and draws close switch power supply, guarantees belt feeder and runs simultaneously and stop close to switch；It is opened according to PLC
Output module voltage signal is measured in pass, determines phonetic alarm type selecting parameter；Then the opened point of intermediate relay is accessed PLC system
System, programs in host computer procedure, is controlled using delay turn-on power loss block, sets detection time range in a program, when
The scene of not receiving within the scope of setting time is uninterruptedly received close to switching signal or in 5 seconds close to switching signal, then is reported
Alert output, field speech alarm equipment alarm；It is laid with communication line, phonetic alarm is installed simultaneously with operating room at the scene, is realized
Dual-alarm achievees the purpose that conveyor belt fracture alarm.
Compared with prior art, the utility model has the beneficial effects that this utility model warning device can in time, effectively
Detection blast furnace feeding belt failure simultaneously issues alarm, reduces belt failure rate, while can reduce check staff and operator
Workload, practical application effect are significant.
Detailed description of the invention
Fig. 1 is in the utility model embodiment based on the belt fracture warning device schematic diagram close to switch；
Fig. 2 is in Fig. 1 close to switch wire connection figure (SQ is close to switch, and KA is intermediate relay)；
Fig. 3 is that high inclination-angle is fed belt schematic diagram；
Fig. 4 is to be fed main belt schematic diagram.
In figure: 1. close to switch, 2. induction blocks, 3. driven wheel pedestals, 4. feed belts, 5. driven wheel bearings, 6. from
Driving wheel, 7. pedestal steel bars, 8. belt great wheels, 9. speed reducers, 10. rollers, 11. pinch rollers.
Specific embodiment
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model, direction
It can be only used for helping the description to the feature in attached drawing with referring to (for example, upper and lower, left and right, etc.).Therefore, it is not limiting
Following specific embodiments are used in property meaning processed, and are only requested by appended claims and its equivalent form to limit
The range of the theme of protection.
See Fig. 1 and Fig. 2, the conveyor belt breaking alarm device based on close switch of the present embodiment, including is set to driven
It induction iron block 2 on wheel bearing, the pedestal steel bar 7 being mounted on driven wheel bearing block and is fixedly mounted by pedestal steel bar 7
The close switch 1 of contactless two-wire system.Further include the intermediate relay in the belt feeder transporter control cabinet and is set to operating room
Interior phonetic alarm and PLC control system, wherein intermediate relay is connected with close switch and is followed by power supply, the power supply
Electromechanical source is controlled quoted from conveyor belt.The intermediate relay and the input terminal of PLC control system connect, the alarm with
The output end of PLC control system connects.Specifically, the normally-closed contact of the intermediate relay is grounded, normally opened contact and PLC are controlled
The digital quantity input module of system processed connects.
More specifically, the opened point of intermediate relay exports PLC digital quantity input module, is equivalent to the close switch in scene
Signal input PLC system is controlled.Control program is write in host computer, according between the rotation of live belt feeder driven wheel when root, really
Determine Programmable detection time range, more than setting time range be not detected scene close to switching signal or close to switching signal always
In the presence of both program warning output, controlled output alarm signal to field speech alarm, staff by digital output module
Belt failure ready to receive, debugging of taking emergency measures restore normal use.This warning device was not only simple, but also use can
It leans on, and high close to switch positioning accuracy, long service life, mounting and adjusting is convenient and to the adaptable etc. excellent of adverse circumstances
Point, and most important detection belt failure that can be excessively more efficient, avoid serious accident, influence blast furnace and normally produce.
Belt fracture alarm, need to turn around the time according to live belt conveyor driven wheel, connect in the delay of control program
Time range is set in logical functional block, detection is close to switching signal in set time range, if had always uninterrupted
Signal or always no signal, then the turn-on power loss block that is delayed export alarm signal, and phonetic alarm starts to alarm: " belt failure ".
This warning device contactless proximity switch will determine it according to feed belt driver motor operation power parameter
Type selecting parameter.With middle No. 7 blast furnace (850m of day steel enterprise third iron-smelter3) be fed for belt, feed belt shares 8,
And mutual linking, starting and stopping must execute in strict accordance with operation order, otherwise will cause serious putty accident.According to existing
Environmental requirement is determined close to switch type selecting parameter are as follows: Φ 100 two-wire system distance of reaction 80mm, normally opened, voltage AC220V, resistance to
High temperature, it is unified to make close to switch pedestal steel plate strip according to close to switch geometry are as follows: L*D=25*300mm, steel plate
Item, induction iron block is determined according to close to switch installation site, without particular/special requirement.Alarm is required according to operator, is determined
For phonetic alarm, type selecting parameter are as follows: YG-YTHZ-2.It is two-wire system close to switch specification, determines service cable type selecting parameter:
KVVRP4*1.5, flexible cable, remaining cable is spare,
It is special to be installed additional in feed belt motor control cabinet in order to make close to switch and feed belt motor common power supply power supply
One intermediate relay, facilitates standardization of the wire layout, is required according to warning device, intermediate relay type selecting parameter are as follows: CAD32M7C/
AC220V；Meet close to switch requirement.
, above-mentioned that blast furnace feeding skin as shown in Figure 3 is applied also for based on the conveyor belt breaking alarm device close to switch
Band high angle belt conveyer, it is possible to prevente effectively from the failures such as skidding, fracture that this kind of belt is easy to appear, avoid belt putty,
Blast furnace fracture, and then influence blast furnace and normally produce.
It is above-mentioned that main belt under slot as shown in Figure 4 is applied also for based on the conveyor belt breaking alarm device close to switch,
The belt and a plurality of belt are chain, once belt stops, it will and all feed belt putties, binder under slot are directly resulted in, are cleared up
Difficulty is big, and maintenance difficulty is big, and directly results in blast furnace halt production, passes through the above-mentioned conveyor belt fracture alarm based on close to switch
Device is it is possible to prevente effectively from the above problem occurs.
In conclusion the utility model effectively solves belt failure report based on the conveyor belt fracture alarm close to switch
It is alert, intensity of workers is reduced, blast furnace normal feed can be met to greatest extent, guarantees blast furnace stable high yield.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (3)
1. a kind of conveyor belt breaking alarm device based on close to switch, it is characterised in that: including being set on driven wheel bearing
Induction iron block (2), the pedestal steel bar (7) that is mounted on driven wheel bearing block and the nothing being fixedly mounted by pedestal steel bar (7)
The close switch (1) in contact；Further include the intermediate relay in the belt feeder transporter control cabinet and is set to and operates indoor report
Alert device and PLC control system, the intermediate relay are connected with close switch and are followed by power supply, and the power supply is quoted from conveying skin
Band control electromechanical source；The intermediate relay and the input terminal of PLC control system connect, the alarm and PLC control system
Output end connection.
2. the conveyor belt breaking alarm device according to claim 1 based on close to switch, it is characterised in that: in described
Between relay normally-closed contact ground connection, the digital quantity input module of normally opened contact and PLC control system connects.
3. the conveyor belt breaking alarm device according to claim 1 based on close to switch, it is characterised in that: the report
Alert device is phonetic alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822267193.3U CN209720820U (en) | 2018-12-30 | 2018-12-30 | Based on the conveyor belt breaking alarm device close to switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822267193.3U CN209720820U (en) | 2018-12-30 | 2018-12-30 | Based on the conveyor belt breaking alarm device close to switch |
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| Publication Number | Publication Date |
|---|---|
| CN209720820U true CN209720820U (en) | 2019-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201822267193.3U Active CN209720820U (en) | 2018-12-30 | 2018-12-30 | Based on the conveyor belt breaking alarm device close to switch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114873153A (en) * | 2022-03-15 | 2022-08-09 | 唐山不锈钢有限责任公司 | Point inspection device of belt conveyor |
-
2018
- 2018-12-30 CN CN201822267193.3U patent/CN209720820U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114873153A (en) * | 2022-03-15 | 2022-08-09 | 唐山不锈钢有限责任公司 | Point inspection device of belt conveyor |
| CN114873153B (en) * | 2022-03-15 | 2023-08-25 | 唐山不锈钢有限责任公司 | Point inspection device for belt conveyor |
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