CN110077809A - A kind of fully-mechanized mining working surface transporter broken chain detecting device and its method - Google Patents
A kind of fully-mechanized mining working surface transporter broken chain detecting device and its method Download PDFInfo
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- CN110077809A CN110077809A CN201910338615.8A CN201910338615A CN110077809A CN 110077809 A CN110077809 A CN 110077809A CN 201910338615 A CN201910338615 A CN 201910338615A CN 110077809 A CN110077809 A CN 110077809A
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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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Abstract
The present invention is a kind of fully-mechanized mining working surface transporter broken chain detecting device, belong to coal mine transporting equipment field, including signal detection mechanism, PLC controller, PLC analog quantity spread module, plc communication expansion module, communication bus signal isolation grid and sensor signal isolated gate；There are two signal detection mechanism is set, it is separately mounted to above scratch board conveyor headstock sprocket wheel left and right ends；PLC analog quantity spread module is plugged in PLC controller, and plc communication expansion module is plugged in PLC analog quantity spread module；Communication bus signal isolation grid are connected with plc communication expansion module, and are equipped with the port of connection fully-mechanized mining working centralized control system；Sensor signal isolated gate is equipped with the safe input terminal being connected with signal detection mechanism and the explosion-proof output end being connected with PLC analog quantity spread module.The present invention also provides a kind of fully-mechanized mining working surface transporter chain rupture detection methods.The present invention can ensure the stable operation of scratch board conveyor, improve the working performance and working efficiency of complete machine.
Description
Technical field
The present invention relates to coal mine transporting equipment field, especially a kind of fully-mechanized mining working surface transporter chain rupture detection dress
It sets；The invention further relates to a kind of sides that chain rupture detection is carried out using aforementioned fully-mechanized mining working surface transporter broken chain detecting device
Method.
Background technique
Currently, mined coal cinder is transported up to ground by coal mine fully-mechanized mining working using scratch board conveyor and elevating conveyor
Face storehouse.Scratch board conveyor is generally made of headstock, aircraft tail shelf, intermediate channel, scraper plate delivery chain and other components, chain
Long-time running at full capacity can lead to scratch board conveyor dependent part because card chain, mechanical fatigue or load capacity cause chain rupture too much
Part generates mechanical breakdown, reduces service life, influences the working performance of complete machine and the working efficiency of mining.Meanwhile it can also make
At a series of serious safety accidents.
Summary of the invention
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of fully-mechanized mining working surface fortune
Defeated machine broken chain detecting device, ensures the stable operation of scratch board conveyor, extends the service life of associated mechanical components, improves complete machine
Working performance and working efficiency, avoid the generation of safety accident.
Another technical problem to be solved by this invention is to provide a kind of fully-mechanized mining working surface transporter chain rupture detection
Method.
The technical problem to be solved by the present invention is to what is be achieved through the following technical solutions: the present invention is a kind of fully mechanized mining work
Make face scratch board conveyor broken chain detecting device, its main feature is that: explosion-proof electrification console is detected including signal detection mechanism and chain rupture；
There are two the signal detection mechanism is set, it is separately mounted to the top of scratch board conveyor headstock sprocket wheel left and right ends；
The chain rupture detection explosion-proof electrification console includes signal controlling machine structure, data conversion mechanism, data upload mechanism, signal
Explosiveproof isolation mechanism and data explosiveproof isolation mechanism；
The signal controlling machine structure is PLC controller；
The data conversion mechanism is PLC analog quantity spread module, is plugged in PLC controller；
It is plc communication expansion module that the data, which upload mechanism, is plugged in PLC analog quantity spread module；
Signal explosiveproof isolation mechanism is communication bus signal isolation grid, and communication bus signal isolation grid and plc communication extend
Module is connected, and is equipped with the port of connection fully-mechanized mining working centralized control system；
Data explosiveproof isolation mechanism is sensor signal isolated gate, and sensor signal isolated gate is equipped with and signal detection mechanism
Connected safe input terminal and the explosion-proof output end being connected with PLC analog quantity spread module.
Above-described fully-mechanized mining working surface transporter broken chain detecting device, further preferred technical solution is:
The chain rupture detection explosion-proof electrification console is mounted in explosion-proof tank or intrinsic safety case.
Above-described fully-mechanized mining working surface transporter broken chain detecting device, further preferred technical solution is:
The signal detection mechanism is Hall sensor or close switch with strong magnetic.
The present invention also provides a kind of method of fully-mechanized mining working surface transporter chain rupture detection, this method uses the above institute
The fully-mechanized mining working surface transporter broken chain detecting device stated, its main feature is that:
Its step are as follows:
(1) PLC controller passes through PLC analog quantity spread module, plc communication expansion module and communication bus signal isolation grid, from
The run signal and speed signal of fully-mechanized mining working centralized control system acquisition scratch board conveyor；
The production when detecting every piece of scraper plate by headstock sprocket wheel left and right ends respectively of (2) two Hall sensors with strong magnetic
Raw trigger signal, and PLC controller is sent to by sensor signal isolated gate and PLC analog quantity spread module；PLC controller
According to the trigger signal that two Hall sensors with strong magnetic are sent, show that adjacent scraper plate passes through headstock sprocket wheel or so respectively
The interval time at both ends；
(3) in the case where the scratch board conveyor speed of service is constant, if the interval time of left and right ends is all constant, illustrate to scrape
Plate transporter works normally；If the interval time of left and right ends all increases, illustrate that double-strand chain rupture or chain occur does not rotate,
PLC controller issues stopping signal, passes through PLC analog quantity spread module, plc communication expansion module and communication bus signal isolation
Grid are sent to fully-mechanized mining working centralized control system, and control scratch board conveyor is shut down；If the interval time of one end remains unchanged, and another
Interval time of one end increases, then illustrates single-stranded chain rupture or scraper plate fracture, bending occur, PLC controller send stopping signal to
Fully-mechanized mining working centralized control system, control scratch board conveyor are shut down.
Compared with prior art, the invention has the following advantages:
(1) present invention is by setting signal testing agency and PLC analog quantity spread module, detect scraper plate by when generate touching
It signals and converts to be sent to PLC controller；By setting PLC controller and plc communication expansion module, issues and stop in chain rupture
Machine signal is simultaneously sent to fully-mechanized mining working centralized control system, and control scratch board conveyor is shut down, and can ensure the stabilization of scratch board conveyor
Operation, improves the working performance and working efficiency of complete machine；Pass through setting communication bus signal isolation grid and sensor signal isolation
Grid, to disengaging chain rupture detection explosion-proof electrification console electric signal carry out explosiveproof isolation, ensuring equipment using safe.
(2) chain rupture detection explosion-proof electrification console is mounted on explosion-proof by the present invention by further preferred technical solution
In case or intrinsic safety case, protection, explosion-proof effect are played, there is circuit protection function.
(3) present invention is by further preferred technical solution, using Hall sensor or close switch with strong magnetic
As signal detection mechanism, the accuracy and sensitivity of detection are improved.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the invention.
In figure: 1-has the Hall sensor of strong magnetic, 2-PLC controllers, 3-PLC analog quantity spread modules, 4-PLC
Communication extension module, 5-communication bus signal isolation grid, 6-sensor signal isolated gates, 7-explosion-proof tanks, 8-connection fully mechanized minings
The port of working face centralized control system, 9-safe input terminals, 10-explosion-proof output ends.
Specific embodiment
A specific embodiment of the invention is described in detail with reference to the accompanying drawing, in order to those skilled in the art
The present invention is further understood, without constituting the limitation to its right.
Embodiment 1: referring to Fig.1, a kind of fully-mechanized mining working surface transporter broken chain detecting device, including signal detection mechanism
Explosion-proof electrification console is detected with chain rupture；The signal detection mechanism is separately mounted to scratch board conveyor headstock there are two setting
The top of sprocket wheel left and right ends；The chain rupture detection explosion-proof electrification console includes signal controlling machine structure, data conversion mechanism, number
According to upload mechanism, signal explosiveproof isolation mechanism and data explosiveproof isolation mechanism；The signal controlling machine structure is PLC controller 2；Institute
Stating data conversion mechanism is PLC analog quantity spread module 3, is plugged in PLC controller 2；It is logical for PLC that the data upload mechanism
Believe expansion module 4, is plugged in PLC analog quantity spread module 3；Signal explosiveproof isolation mechanism is communication bus signal isolation
Grid 5, communication bus signal isolation grid 5 are connected with plc communication expansion module 4, and are equipped with connection fully-mechanized mining working centralized control system
Port 8；Data explosiveproof isolation mechanism be sensor signal isolated gate 6, the safe input terminal 9 of sensor signal isolated gate with
Signal detection mechanism is connected, and explosion-proof output end 10 is connected with PLC analog quantity spread module 3.
Fully-mechanized mining working centralized control system control connects scratch board conveyor control system and other fully-mechanized mining working relevant devices
Control system, the parameters signal of equipment can be obtained and control the operating status of equipment.
Scratch board conveyor uses double-strand closed loop configuration, and scraper plate is arranged in parallel and 1 meter of distance interval or so is fixedly mounted on two
On root chain.Liang Ge signal detection mechanism is separately mounted to the top of headstock sprocket wheel left and right ends, and with pass through headstock chain
The scraper plate left and right ends of wheel keep identical height, can guarantee trigger signal of the scraper plate by headstock sprocket wheel left and right ends when
It is identical, improve the accuracy of detection.
Each module in chain rupture detection explosion-proof electrification console is mounted on single-chip microcontroller plate, is able to carry out unified automatically controlled, letter
Number response is rapider.
The working principle of broken chain detecting device is as follows:
(1) PLC controller 2 passes through PLC analog quantity spread module 3, plc communication expansion module 4 and communication bus signal isolation grid
5, it sends data acquisition signal and gives fully-mechanized mining working centralized control system, fully-mechanized mining working centralized control system is made to control system from scratch board conveyor
System obtains the run signal and speed signal of scratch board conveyor, and feeds back to PLC controller 2.
(2) Liang Ge signal detection mechanism generates triggering letter when detecting scraper plate by headstock sprocket wheel left and right ends respectively
Number, trigger signal enters sensor signal isolated gate 6 by safe input terminal 9 and carries out isolation processing, and from explosion-proof output end 10
Into PLC analog quantity spread module 3；Trigger signal is converted to what PLC controller 2 can identify by PLC analog quantity spread module 3
Signal format, and it is sent to PLC controller 2；The trigger signal that PLC controller 2 is sent according to Liang Ge signal detection mechanism, respectively
Show that adjacent scraper plate passes through the interval time of headstock sprocket wheel left and right ends.
(3) it in the case where the scratch board conveyor speed of service is constant, if the interval time of left and right ends is all constant, says
Bright scratch board conveyor works normally；If the interval time of left and right ends all increases, illustrate double-strand chain rupture or chain occur not
Rotation, PLC controller 2 issue stopping signal, pass through PLC analog quantity spread module 3, plc communication expansion module 4 and communication bus
Signal isolation grid 5 are sent to fully-mechanized mining working centralized control system, and control scratch board conveyor is shut down；If the interval time of one end keeps
It is constant, and the interval time of the other end increases, then illustrates single-stranded chain rupture or scraper plate fracture, bending occur, PLC controller 2 is sent
Stopping signal gives fully-mechanized mining working centralized control system, and control scratch board conveyor is shut down.
Embodiment 2: referring to Fig.1, in a kind of fully-mechanized mining working surface transporter broken chain detecting device described in embodiment 1,
The chain rupture detection explosion-proof electrification console is mounted in explosion-proof tank 7.
Embodiment 3: in a kind of fully-mechanized mining working surface transporter broken chain detecting device as described in example 2, the chain rupture
Detection explosion-proof electrification console can also be mounted in intrinsic safety case.
Embodiment 4: referring to Fig.1, in a kind of fully-mechanized mining working surface transporter broken chain detecting device described in embodiment 1,
The signal detection mechanism is the Hall sensor 1 with strong magnetic.
According to Hall effect, when control electric current it is constant when, Hall voltage that Hall semiconductor both ends generate in Vertical Square
Magnetic induction intensity to application is directly proportional.Hall sensor 1 with strong magnetic utilizes Hall effect, when scraper plate is from strong magnetic 1
The lower section of Hall sensor when passing through, affect the magnetic induction intensity of strong magnetic, Hall voltage made to change, have strong magnetic 1
Hall sensor generate trigger signal.
Embodiment 5: in a kind of fully-mechanized mining working surface transporter broken chain detecting device as described in example 4, the signal
Testing agency can also be close switch.
Close to the working principle of switch are as follows: when induction region of the metal object close proximity to switch, do not need machinery and connect
Touching any pressure of application can make close to switch motion, to drive DC electric apparatus or provide to computer/PLC control device
Control instruction.When passing through when scraper plate from the lower section close to switch, close proximity to the induction region of switch, make close to switch motion,
Trigger signal is generated close to switch.
Embodiment 6: a kind of fully-mechanized mining working surface transporter chain rupture detection method, this method are appointed using in embodiment 1-5
A kind of fully-mechanized mining working surface transporter broken chain detecting device described in what an example, its step are as follows:
(1) PLC controller 2 passes through PLC analog quantity spread module 3, plc communication expansion module 4 and communication bus signal isolation grid
5, the run signal and speed signal of scratch board conveyor are obtained from fully-mechanized mining working centralized control system；
(2) two Hall sensors 1 with strong magnetic are respectively when detecting every piece of scraper plate by headstock sprocket wheel left and right ends
Trigger signal is generated, and PLC controller 2 is sent to by sensor signal isolated gate 6 and PLC analog quantity spread module 3；PLC
The trigger signal that controller 2 is sent according to two Hall sensors 1 with strong magnetic, show that adjacent scraper plate passes through headstock respectively
The interval time of sprocket wheel left and right ends；
(3) in the case where the scratch board conveyor speed of service is constant, if the interval time of left and right ends is all constant, illustrate to scrape
Plate transporter works normally；If the interval time of left and right ends all increases, illustrate that double-strand chain rupture or chain occur does not rotate,
PLC controller 2 issues stopping signal, passes through PLC analog quantity spread module 3, plc communication expansion module 4 and communication bus signal
Isolated gate 5 is sent to fully-mechanized mining working centralized control system, and control scratch board conveyor is shut down；If the interval time of one end keeps not
Become, and the interval time of the other end increases, then illustrates single-stranded chain rupture or scraper plate fracture, bending occur, the transmission of PLC controller 2 stops
Machine signal gives fully-mechanized mining working centralized control system, and control scratch board conveyor is shut down.
Claims (4)
1. a kind of fully-mechanized mining working surface transporter broken chain detecting device, it is characterised in that: including signal detection mechanism and chain rupture
Detect explosion-proof electrification console；
There are two the signal detection mechanism is set, it is separately mounted to the top of scratch board conveyor headstock sprocket wheel left and right ends；
The chain rupture detection explosion-proof electrification console includes signal controlling machine structure, data conversion mechanism, data upload mechanism, signal
Explosiveproof isolation mechanism and data explosiveproof isolation mechanism；
The signal controlling machine structure is PLC controller；
The data conversion mechanism is PLC analog quantity spread module, is plugged in PLC controller；
It is plc communication expansion module that the data, which upload mechanism, is plugged in PLC analog quantity spread module；
Signal explosiveproof isolation mechanism is communication bus signal isolation grid, and communication bus signal isolation grid and plc communication extend
Module is connected, and is equipped with the port of connection fully-mechanized mining working centralized control system；
Data explosiveproof isolation mechanism is sensor signal isolated gate, and sensor signal isolated gate is equipped with and signal detection mechanism
Connected safe input terminal and the explosion-proof output end being connected with PLC analog quantity spread module.
2. a kind of fully-mechanized mining working surface transporter broken chain detecting device according to claim 1, it is characterised in that: described
Chain rupture detection explosion-proof electrification console is mounted in explosion-proof tank or intrinsic safety case.
3. a kind of fully-mechanized mining working surface transporter broken chain detecting device according to claim 1, it is characterised in that: described
Signal detection mechanism is Hall sensor or close switch with strong magnetic.
4. a kind of fully-mechanized mining working surface transporter chain rupture detection method, this method uses any one of claim 1-3 institute
A kind of fully-mechanized mining working surface transporter broken chain detecting device stated, it is characterised in that:
Its step are as follows:
(1) PLC controller passes through PLC analog quantity spread module, plc communication expansion module and communication bus signal isolation grid, from
The run signal and speed signal of fully-mechanized mining working centralized control system acquisition scratch board conveyor；
The production when detecting every piece of scraper plate by headstock sprocket wheel left and right ends respectively of (2) two Hall sensors with strong magnetic
Raw trigger signal, and PLC controller is sent to by sensor signal isolated gate and PLC analog quantity spread module；PLC controller
According to the trigger signal that two Hall sensors with strong magnetic are sent, show that adjacent scraper plate passes through headstock sprocket wheel or so respectively
The interval time at both ends；
(3) in the case where the scratch board conveyor speed of service is constant, if the interval time of left and right ends is all constant, illustrate to scrape
Plate transporter works normally；If the interval time of left and right ends all increases, illustrate that double-strand chain rupture or chain occur does not rotate,
PLC controller issues stopping signal, passes through PLC analog quantity spread module, plc communication expansion module and communication bus signal isolation
Grid are sent to fully-mechanized mining working centralized control system, and control scratch board conveyor is shut down；If the interval time of one end remains unchanged, and another
Interval time of one end increases, then illustrates single-stranded chain rupture or scraper plate fracture, bending occur, PLC controller send stopping signal to
Fully-mechanized mining working centralized control system, control scratch board conveyor are shut down.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910338615.8A CN110077809A (en) | 2019-04-25 | 2019-04-25 | A kind of fully-mechanized mining working surface transporter broken chain detecting device and its method |
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| CN201910338615.8A CN110077809A (en) | 2019-04-25 | 2019-04-25 | A kind of fully-mechanized mining working surface transporter broken chain detecting device and its method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112623631A (en) * | 2020-12-17 | 2021-04-09 | 山东科技大学 | Chain life prediction and chain breakage position judgment method for scraper conveyor |
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Application publication date: 20190802 |