CN102237008A - Comprehensive training and testing device based on coal mining machine and elevator - Google Patents
Comprehensive training and testing device based on coal mining machine and elevator Download PDFInfo
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- CN102237008A CN102237008A CN2011102055931A CN201110205593A CN102237008A CN 102237008 A CN102237008 A CN 102237008A CN 2011102055931 A CN2011102055931 A CN 2011102055931A CN 201110205593 A CN201110205593 A CN 201110205593A CN 102237008 A CN102237008 A CN 102237008A
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Abstract
The invention relates to a comprehensive training and testing device based on a coal mining machine and an elevator. The device comprises a teacher/evaluator operating platform, a student/testee operating platform and an electrical control system, wherein the teacher/evaluator operating platform is respectively connected with a coal mining machine training and testing operating platform, an elevator training and testing operating platform and the electrical control system; the electrical control system is respectively connected with the coal mining machine training and testing operating platform and the elevator training and testing operating platform; the electrical control system is used for simulating a production scene, collecting the operation data information of the coal mining machine/elevator in the simulated scene and controlling the operation conditions of the coal mining machine/elevator in the simulated scene; the teacher/evaluator operating platform is used for selecting the training and testing on coal mining machine operation or elevator operation and controlling the operation conditions of mechanical devices in the electrical control system to provide teaching and testing; and the student/testee operating platform is used for training and testing according to the contents selected by the teacher/evaluator operating platform and the operation conditions of the electrical control system.
Description
Technical field
The present invention relates to provide the device of real training examination for the colliery skilled worker, particularly a kind of based on coalcutter and hoister comprehensive practical traning checking device.
Background technology
The 30th command " job that requires special skills personal security technical training appraisal management regulation " of Administration of Work Safety Supervision of country up-to-date (on May 24th, 2010) promulgation, " People's Republic of China's verification of professional technical ability standard " and general office of Department of Human Resources and Social Security file: Ren She send out in the Room and all require the extraordinary worker's training in colliery in [2009] No. 86 " about printing and distributing the notice of skilled worker universities and colleges integrated Course Reform pilot work scheme ", education of skilled workers, coal industry verification of professional technical ability etc. needs practical operation equipment.
Current technology for the extraordinary worker's training in colliery has two types, and the one, dummy emulation system, the 2nd, mock-up.
Dummy emulation system is to carry out simulated operation by computer simulation system, can make student, student relatively truly, intuitively under the academic environment, grasp the safety technique operation in this post.The deficiency that exists is to rely on Computer Simulation fully, does not have the device model of production scene, and student, student can not operate really, learns the operative skill less than opportunity.
Mock-up is with the scaled making of equipment such as real coalcutter, and student, student can carry out the operation of some routines.The deficiency that exists is the environment that can't simulate the production scene, especially some treatment of special situation; Its mechanical ﹠ electrical technology can not embody the technical requirement of physical device fully.
Summary of the invention
The objective of the invention is to, for addressing the above problem, the present invention proposes a kind of based on coalcutter and hoister comprehensive practical traning checking device, comes the working condition of coalcutter that is virtually reality like reality and hoister, for student and Kao person provide omnibearing training.
For achieving the above object, the present invention proposes a kind of based on coalcutter and hoister comprehensive practical traning checking device, it is characterized in that this device comprises: teacher/examination person's operator's console, the student/person's of examining operator's console and electric control system; Described student/the person's of examining operator's console comprises: coalcutter real training examination operator's console and hoister real training examination operator's console;
Described teacher/examination person's operator's console links to each other with electric control system with described coalcutter real training examination operator's console, hoister real training examination operator's console respectively; Described electric control system links to each other with described coalcutter real training examination operator's console, described hoister real training examination operator's console respectively;
Described electric control system is used to simulate the production scene, and gathers the service data information and the operation conditions of controlling coalcutter/hoister in the simulated field of coalcutter/hoister in the simulated field;
Described teacher/examination person's operator's console is used to select still hoister operation of real training examination coalcutter operation, and the ruuning situation of controlling plant equipment in the described electric control system provides teaching and examination;
Described student/the person's of examining operator's console is used for carrying out real training and examination according to content and described electric control system ruuning situation that described teacher/examination person's operator's console is selected; Wherein, described coalcutter real training examination operator's console is to be used for the student/person of examining to operate according to three-dimensional animation displaying coalcutter running status, and this operation is identical with the mode of operation of production scene; Described hoister real training examination operator's console is to be used for the student/person of examining according to operating according to three-dimensional animation displaying hoister running status, and this operation is identical with the mode of operation of production scene.
When described teacher/examination person's operator's console selected hoister to be operating as the real training content of examination, described teacher/examination person's operator's console was also done the signal operation platform, for the driver provides correspondingly run signal.
Described electric control system comprises PLC, touch-screen, frequency converter and motor.
Described electric control system respectively with described teacher/examination person's operator's console, described coalcutter real training examination operator's console, hoister real training examination operator's console by the fieldbus communication that links to each other.
Described three-dimensional animation adopts configuration software and FLASH.
Compare with conventional art, the invention has the advantages that: modern Electrical Control Technology and three-dimensional animation technology are combined, not needing really to have realized the mine production scene, do not needed expensive on-site producing devices, just can finish learning manipulation, safeguard the function of field apparatus.Solve coalcutter driver in Coal Mine Security Training mechanism, coal skilled worker universities and colleges, the coal professional colleges, hoister, mine maintenance electrician, combined work post practical operation equipment such as the practical operation coalcutter/hoister shortage problem of adopting the maintenance electrician.
Description of drawings
Fig. 1 proposes a kind of based on coalcutter and hoister comprehensive practical traning checking device block diagram for the present invention;
Fig. 2 is teacher/examination person's operator's console surface chart among the present invention;
Fig. 3 is coalcutter real training examination operator's console surface chart among the present invention;
Fig. 4 is hoister real training examination operator's console surface chart among the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, technical scheme of the present invention is described in more detail.
As shown in Figure 1, Fig. 1 for the present invention propose a kind of based on coalcutter and hoister comprehensive practical traning checking device block diagram.As can be seen from Figure 1, this device comprises: teacher/examination person's operator's console, the student/person's of examining operator's console and electric control system; Student/the person's of examining operator's console comprises: coalcutter real training examination operator's console and hoister real training examination operator's console; As shown in Figure 3, Fig. 3 is coalcutter real training examination operator's console surface chart among the present invention.As shown in Figure 4, Fig. 4 is hoister real training examination operator's console surface chart among the present invention.
Teacher/examination person's operator's console links to each other with electric control system with coalcutter real training examination operator's console, hoister real training examination operator's console respectively; Electric control system links to each other with described coalcutter real training examination operator's console, hoister real training examination operator's console respectively.
Electric control system is used to simulate the production scene, and gathers the service data information and the operation conditions of controlling coalcutter/hoister in the simulated field of coalcutter/hoister in the simulated field;
As shown in Figure 2, Fig. 2 is teacher/examination person's operator's console surface chart among the present invention.Teacher/examination person's operator's console is used to select still hoister operation of real training examination coalcutter operation, and the ruuning situation of controlling plant equipment in the described electric control system provides teaching and examination;
Student/the person's of examining operator's console is used for carrying out real training and examination according to content and described electric control system ruuning situation that described teacher/examination person's operator's console is selected; Wherein, described coalcutter real training examination operator's console is to be used for the student/person of examining to operate according to three-dimensional animation displaying coalcutter running status, and this operation is identical with the mode of operation of production scene; Described hoister real training examination operator's console is to be used for the student/person of examining according to operating according to three-dimensional animation displaying hoister running status, and this operation is identical with the mode of operation of production scene.
To will need the driver operation part to be made into material object (coalcutter real training examination operator's console, hoister real training examination operator's console) in proportion in coalcutter, the hoister based on coalcutter and hoister comprehensive practical traning checking device, the driver when operation and the mode of operation of production scene identical; The working environment of coalcutter, hoister is made into three-dimensional animation, changes according to the production scene situation by the control of the corresponding operating on driver operation platform three-dimensional animation; On-the-spot special status control knob is set on teacher's platform, and the control three-dimensional animation shows the special status that the production scene occurs, and handles by corresponding operator's console.Electric control system adopts real control element.Realization does not need expensive on-site producing devices less than the mine production scene, just can finish learning manipulation, safeguard the function of field apparatus.
Form by teacher/examination person's operator's console (as shown in Figure 2), coalcutter real training examination operator's console (as shown in Figure 3) and hoister real training examination operator's console (as shown in Figure 4) three parts based on coalcutter and hoister comprehensive practical traning checking device.Coalcutter real training examination operator's console and hoister real training examination operator's console are installed in student/student's real training examination operator's console, and major control devices such as PLC, touch-screen, frequency converter, motor are installed in the big operator's console.The PLC main frame is selected Omron CP1H-XA40D for use, and the digital quantity expansion module is selected a CPM1A-40EDR for use, two analog quantity expansion module CPM1A-MAD11; Frequency converter adopts two Shanghai LEI3000 micro frequency transformers (0.75KW) of heap of stone dawn; Touch-screen is selected Omron NS8 for use.
Equipment such as PLC, touch-screen, frequency converter can be selected other type products for use according to user's needs.
Electric control system adopts modern control devices such as PLC, touch-screen, can be used as corresponding work post maintenance electrician's operating equipment.By the communication of configuration software realization three-dimensional animation and operator's console, use software development three-dimensional animations such as KingView, FLASH.
This device can be realized the simulated operation of coalcutter, two kinds of equipment of hoister and mine maintenance electrician, combine and adopt maintenance electrician's comprehensive practical traning function.Select experience system by teacher/examination person's operator's console; By the special ruuning situation button on teacher/examination person's operator's console, control PLC or KingView show the special circumstances that may run in the coalcutter operational process when carrying out coalcutter system real training; When carrying out the elevator system real training, the double signal operation platform of doing of teacher/examination person's operator's console, for the driver provides corresponding run signal, also can pass through the special ruuning situation button on teacher/examination person's operator's console, control PLC or KingView show in the hoister operational process may run into special circumstances.
(1) system initial state and simulation system are selected
One, system initial state
Attention: " system selector switch " should be placed " 0 " position before the start and by teacher/examination person after the reset button.When " system selector switch " is transformed into " 0 " position by other positions, also play reset response.W0.15 is the general reset signal.
1, open state
Start W0.0 (system initial state) after PLC powers on, touch-screen, KingView show initial picture; When " system selector switch " is in " 0 " position, presses reset button and can start W0.0 once more.
" system selector switch " got to " coalcutter simulation system " (0.1) or " during the hoister simulation system " (0.2) stops W0.0.
2, select " coalcutter simulation system "
W0.0 gets to " system selector switch " " coalcutter simulation system " after starting, and starts W0.1 (coalcutter system initial state), presses to stop W0.1 when reset button or teacher/examination person operate the coalcutter position switch.
W0.3 is a coalcutter system works sign, when system selector switch places the coalcutter position and does not have reset signal, and W0.3 work.
3, select " hoister simulation system "
W0.0 gets to " system selector switch " " hoister simulation system " after starting, and starts W0.2 (elevator system original state), presses to stop W0.2 when reset button or teacher/examination person operate the hoister position switch.
W0.4 is a hoister work sign, when system selector switch places the hoister position and does not have reset signal, and W0.4 work.
(2) the coalcutter action button is converted to auxiliary relay
Because coalcutter operator's console and shared PLC of hoister operator's console and frequency converter, in order to prevent the phase mutual interference, with an auxiliary reclay load button common port of two systems is isolated, in program, distinguish the input signal of different system simultaneously with auxiliary relay
When W0.3 worked, in the input of coalcutter switching value, 0CH was corresponding with W10CH; 1CH is corresponding with W11CH; 2CH is corresponding with W12CH; 3CH is corresponding with W13CH.
(3) coalcutter master control system
Master control system is used to control the starting of two cut motor and stop, and passes through the action of 3 D animation simulation clutch coupling, cylinder.
During the coalcutter initial position, two cylinders all land, and should earlier cylinder be raised to certain altitude before the operation.
1, disconnector QS1 (W11.6), QS2 (W11.7)
Close and to start left cut motor behind the disconnector QS1, could start right cut motor behind the disconnector QS2 that closes.
2, coalcutter position
When having only teacher/examination person to press corresponding coalcutter position button, can carry out next-step operation.
Press " coalcutter position 1 " button, coalcutter is positioned at the workplace middle part, the feed mode work of animation display middle part.
Press " coal cutting " button, and coalcutter when operation, the animation display coal mining machine roller begins coal cutting, transporter has coal to transport.
3, left cut Motor Control (W1.1)
" lead " (W10.4) push button start left side cut motor, " main stopping " (W10.5) button stops left cut motor.Left side cut motor overheating＞155 ℃ (W12.6) also stop.
4, right cut Motor Control (W1.2)
The right cut motor of " second starting " button (W10.6) starting, " second stops " button (W10.7) stops right cut motor.Right cut motor overheating＞155 ℃ (W12.07) also stop.
5, clutch operating
After crawl " was led " button (press led then stop by main immediately) and left clutch switch (W11.8) got to " closing " position, delaying time, left clutch closed after 1 minute.
Behind the cut motor starting of a left side crawl " second start button " and right clutch switch (W11.9) got to " closing " position after, the right clutch that closes after 1 minute of delaying time.
After W1.5, the W1.6 action, cut off the power supply the inertia operation behind the corresponding cut motor starting.
(4) shearer haulage control
1, converter power supply
By " traction is sent " button (W13.10), tractive transformer power contactor KM3 (W2.0) adhesive of switching on; By " main stop " button (W10.05) or " traction outage ", button (W13.11) tractive transformer power contactor KM3 (W2.0) release of cutting off the power supply.
Can carry out other draw operations after tractive transformer power contactor KM3 (100.3) adhesive.
2, braking
Detent is the power-off brake type, and the hydraulic pump operate as normal can be worked, can not brake off during hydraulic system fault.
By " lead and open " button (W11.00), braking electromagnetic valve (W2.1) gets electric, brake off.During by " lead and stop " button (W11.01), braking electromagnetic valve (W2.1) outage recovers braking.
3, lead control
Attention: will slow down earlier when changing lead.
3.1, select lead when shutting down
Press led the work of push-button system moving electromagnetic valve after, when frequency converter velocity setting signal is zero (D100=0),, select lead by corresponding arrow button.By " left " button (W11.02), left side traction (W3.1) work; By " to the right " button (W11.03) left lateral output (W3.2) work, both direction output can not be worked simultaneously.Stop output by " lead and stop " button (W11.01).
3.2, change lead
(1) commutation in the distraction procedure can be pressed " lead and stop " button earlier, be zero to shearer haulage speed after, again by " " having led " button selects the lead after-acceleration to arrive required speed; Also can directly press the traction button commutation opposite with former lead.
(2) haulage speed is 0 and presses the lead button: before starting this moment to the right throw over relay W5.1 and start before throw over relay W5.2 work left, system changes lead automatically, gets final product to suitable haulage speed by quickening button.
(3) haulage speed is not to press in 0 o'clock in the other direction to draw button: coalcutter decelerates to 0 earlier, stops and accelerates to former given speed again after 5 seconds.
(4) heavy duty is counter leads
The anti-setting of leading control of heavy duty is in order to make coalcutter avoid serious overload, when arbitrary cut induction-motor load during greater than 130%Pe, by the anti-timing circuit that leads of PLC, make coalcutter with given speed reverse drag a period of time after, continue to front haulage again.
Stop traction (W4.5, W4.6 action just can reset when recovering former direction) during any electromotor heavy load immediately, traction round about after one minute, returns to former running status again after 5 seconds.
4, haulage speed control
4.1, mode selects
Mode button (W10.11) is " normal cut (W5.1) " state when being failure to actuate, be when pressing mode button (0.11) " transferring operation (W5.2) ".
Normal cut state, haulage speed can be regulated between 0～7.28m/min; Transfer running status, haulage speed can be regulated between 0～12m/min.
4.2, velocity setting
The initial velocity of coalcutter is zero, passage 210,211 zero clearings during by " having led " button (as intermediate variable, the value with D100 after braking electromagnetic valve starts sends passage 210,211 to D100);
When not carrying out switch operation (W4.9=0, W4.10=0), by " acceleration " button (W11.4), " deceleration " button (W11.05) given speed is set, concrete numerical value is shown by Chinese display screen on the electric cabinet.
5, permanent power is controlled automatically
Actual permanent power is controlled the single-phase current that adopts two current transformers to detect two motors respectively automatically, determine the load condition of cut motor, the current transformer output signal changes the signal of 4～20mA after treatment into, sends into PLC and compares, and obtains underload, overload signal.As arbitrary motor overload (P＞110%P
e) time, send reduce-speed sign, withdraw from the overload zone until motor; Shearer haulage speed is lower than given speed, and two motor currents are when being lower than ratings, and system accelerates to former given speed automatically.
This real training simulation system is operated two buttons (left cut electromotor overload＞110% by examination person; W12.00 and right cut electromotor overload＞110%; W12.02) simulation cut electromotor overload; Animation display dirt band occurs in the coal seam.
D111 is that left cutting motor electric current, D112 are right cutting motor electric current, and ratings is 4200.Start the slight overload relay W6.1 of cutting motor, W6.2 after pressing W12.0, W12.2; It is 120% overload, i.e. D111=5040 or D112=5040 that two cut current of electric are set this moment.
System decelerates to rated current after 1 minute automatically, thinks and withdraws from the dirt band district, and the coal seam dirt band disappears in the animation, and the cutting motor electric current calculates by former method, and simultaneity factor accelerates to former given speed automatically.
6, the cut motor overheating is 135 ℃
Coalcutter reduces capacity 30% operation during 135 ℃ of cut motor overheatings, and native system adopts the method that reduces haulage speed (be reduced to former haulage speed 50%) to realize.
(5) cutting motor current processing
The cut motor current begins to show when hanging up clutch coupling and starting corresponding motor.System adopts the method for direct modeling to determine the cutting motor electric current.
Coalcutter does not carry out being no-load current under draw operations and the transfer pattern, calculates by 14.28% rated current determined value, i.e. D111=D112=600.
Coalcutter is under normal running under power pattern, and the cutting motor electric current equals no-load current and adds the given signal of upconverter; Be D111=D112=D100+600
(6) rocking arm is heightened
Rocking arm is heightened and should be carried out after left cutting motor operation (pump motor starts simultaneously).
Diameter of cylinder is by 1.6 meters calculating; Coal mining machine roller when running external diameter is 0.05 meter of minimum altitude overhead, from 0.05 meter of top board minimum distance.And the cylinder external diameter should be transferred to apart from ground 0.05 meter before in gear.It is 1.61 (PLC16100) rice that cylinder is heightened scope, realizes with the simulation limit switch.
Handling by internal word in the program, is reference with the cylinder axis when heightening, and is cylinder axis height D121, right cylinder axis height D122; During original state, D121=D122=0; D121, D122 should need be not less than 500 when in gear; D121, D122 must not surpass 16100.
(7) coalcutter workplace ruuning situation simulation
One, spraying system
1, connects the water source
Press " water yield " switch (W13.0), connect the water source, the water pressure gauge that is arranged on the panel shows intake pressure (W7.1); The general reset signal resets it.
2, spraying
Press " water valve " switch (W13.1), animation display begins spraying; The general reset signal resets it.
Two, handle the coalcutter position
1, original state (W8.0, W9.0)
Coalcutter position 1 original state W8.0: be in the workplace middle part, left the coal cutting state.The D200 odd number equals at 20000 o'clock, W8.0=1;
W8.1 is coalcutter position 1 sign, and W8.1 resets during system reset.
Coalcutter position 2 original state W9.0: be in the workplace right part, left the coal cutting state.The D200 odd number equals at 5000 o'clock, W9.0=1;
W9.1 is coalcutter position 2 signs, and W9.1 resets during system reset.
(W0.3=1) triggers W8.0, W9.0 with a comparison order when the coalcutter system
2, coalcutter position
Cancellation coalcutter position 2, the coal cutting button is replaced by in coalcutter position 2
The coalcutter position represents that with D200 during D200=5000, coalcutter is in workplace right-hand member head; Coalcutter is positioned at workplace left end head during D200=35000; Coalcutter is positioned at the workplace middle part during D200=20000.
The coalcutter travel distance is by the scrambler collection, is put into (purpose is that the scrambler currency is converted to 16 by 32) among the D210 after the currency (double word A270) of scrambler is dwindled 1000 times.
Use high-speed counter 0, software reset, delta pulse input; Before starting, frequency converter makes high-speed counter reset (A531.0=1).
D220 is a coalcutter position intermediate quantity, when pressing the coalcutter position button, composes analog value, D220=20000 when promptly coalcutter is positioned at the workplace medium position to D220; When coalcutter is positioned at workplace right-hand member head, D220=5000; When coalcutter is changed by walking states, the D200 assignment is arrived D220.
During the coalcutter left lateral, D200=D220+D210;
During the coalcutter right lateral, D200=D220-D210;
When 3, walking,, be not coal cutting not according to the coal cutting button; When pressing the coal cutting button coal cutting, again by once being reset to not coal cutting
Three, haulage speed detects
Read haulage speed accurately with pulsed frequency conversion instruction (883), be put into D104.
Four, special circumstances are handled
1, coalcutter fuselage shaking
When coalcutter moves, press " fuselage shaking " button (W13.4), W7.3 work, animation display fuselage shaking; The driver should stop traction immediately, stops drawing back W7.3 and resets.
2, coalcutter slides down
When coalcutter moves, press " coalcutter slides down " button (W13.5), W7.4 work, the animation display coalcutter slides down; The driver should stop traction immediately, stops drawing back W7.4 and resets.
3, the cutter that wafts
When coalcutter moves, press " cutter wafts " button (W13.6), W7.5 work, the animation display coalcutter cutter (top, coal seam attenuation in the workplace, last cylinder cuts rock) that wafts; The driver should regulate rocking arm immediately, and all less than 12000 o'clock, animation display withdraws from the cutter district of wafing at D121 and D122.
4, gnaw at the end
When coalcutter moves, press " gnawing the end " button (W13.7), W7.6 work, the animation display coalcutter is gnawed at the end (bottom, coal seam attenuation in the workplace, bottom roll cuts rock); The driver should regulate rocking arm immediately, and all greater than 1000 o'clock, animation display withdraws from gnaws the base area at D121 and D122.
(8) the hoister button is converted to auxiliary relay
When W0.4 worked, in the input of coalcutter switching value, 0CH was corresponding with W20CH; 1CH is corresponding with W21CH; 2CH is corresponding with W22CH; 3CH is corresponding with W23CH.
(9) prepare (safety condition) before the hoister start
1, presses " control power initiation " button (W21.1), start W31.0, reset or, stop W31.0 by " the control power supply stops " button (W20.10)
2, safety condition possesses
" safety condition possesses " pilot lamp is bright on the operator's console at this moment; Click " lubricating pump startup " button, lubricating pump starts; Click " brake pump startup, safety relay work " button, " safety relay " pilot lamp is bright, and delay time 30 seconds (oil pressure raises the time), brake pump is opened, and " brake pump is opened " pilot lamp is bright, possesses the driving condition this moment.
3, safety condition does not possess simulation
Press the pulleying button during lifting, start lifting pulleying simulation (W30.3), recover to stop after the pulleying; Press the pulleying button when transferring, start and transfer pulleying simulation (W30.4), recover to stop after the pulleying; After the startup pulleying simulation in service, arrive pulleying point back protection action (W30.0), withdraw from back de-preservation (W30.1)
Attention: after pulleying simulation starts, the short circuit signal that puts in place accordingly, overtravel protection is still realized by the pulleying switch.
After the pulleying " pulleying switching " switch (W21.2) is stamped, after " safety condition possesses " lamp is bright, safety relay is served, get driving then ready; After recovering pulleying, should recover " pulleying switching " switch.
(10) personnel go into jar and get ready
One, personnel go into jar
1, goes into jar
By " personnel the go into jar " button (W22.6) on teacher/examination person's operator's console, animation display has the people to enter primary tank, personnel's quantity is determined that by the currency of counter C10 total number of persons can not surpass 13 people, show when entering 13 people (W31.2) that personnel are full in the container.Counter C10 all goes out a jar signal (W31.0) by last electric pulse, general reset signal and personnel and resets.
After personnel go into jar, by " close jar door " button (W23.1) on teacher/examination person's operator's console, in the animation display jar personnel with the iron curtain put down, a jar door closes.
2, go out jar
The hoister parking (W31.3) that puts in place, animation display personnel hang up the iron curtain that (W31.4), personnel begin jar for 30 second time, T24, and everyone goes out jar time is 10 seconds (with flashing circuit realization).
Two, sending dotter signal
Sending dotter signal requires to handle as follows according to ore deposit side:
1 stop, carry on 2,3 transfer, 4 carry slowly, 5 put slowly; Difference corresponding W33.1, W33.2, W33.3, W33.4 and W33.5.
Attention: the original state of system reaches after hoister puts parking in place (W32.1, W32.2 negative edge), and system beats stop sign (realizing with W33.0) automatically, and by after getting button ready, W33.0 resets the signalman.
The signalman is held a concurrent post by teacher/examination person, by " getting ready " button (W22.5) on teacher/examination person's operator's console, realizes getting ready; After getting mistake ready, the signalman is by " get ready and reset " button, and sending dotter signal resets, and gets ready again to get final product.
(11) hoister master control system
The hoister master control system realizes that hoister promotes by velocity diagram and transfers control, go up site W32.3, go up deceleration point W32.5, down deceleration point W32.6, down to site W32.4, go up pulleying point W32.7 and following pulleying point W32.8 realizes by " hoister position " program segment.
Control by PLC simulation output with low speed control at a high speed.
1, carry on: sending dotter signal be 2 points (W33.2), master controller handle push away forward send promote order (W23.5), adjustable lock is in the state of declutching (W23.7), when (W0.14) is failure to actuate in protection, carries signal (W32.9) in the startup
2, carry slowly: sending dotter signal is that 4 points (W33.4), positive power switch turn clockwise 45 ° (W21.8), the master controller handle pushes away forward to send to promote and orders (W23.5), adjustable lock to be in the state of declutching (W23.7), when (W0.14) is failure to actuate in protection, starts and carry signal (W32.10) slowly
3, transfer: sending dotter signal be 3 points (W33.3), master controller handle send to pusher transfer order (W23.6), adjustable lock is in the state of declutching (W23.7), when (W0.14) is failure to actuate in protection, starts discharge signal (W32.11) down
4, put slowly: sending dotter signal be 5 points (W33.5), master controller handle send to pusher transfer order (W23.6), adjustable lock is in the state of declutching (W23.7), when (W0.14) is failure to actuate in protection, starts discharge signal (W32.12) down
5, promote, transfer
On carry W32.9, carry W32.10 slowly and all start and promote control signal W32.1
Transfer W32.11, put W32.12 slowly and all start and transfer control signal W32.2
6, container position
Container position represents with D300, and during D300=5000, container is positioned at well head parking spot (on put in place); Container is positioned at shaft bottom parking spot (putting in place down) during D300=15000; During D300=6500, container is positioned at deceleration point; During D300=13500, container is positioned at deceleration point down; During D300=4000, container is positioned at the pulleying point; During D300=16000, container is positioned at pulleying point down.
The container range ability is by the scrambler collection, is put into (purpose is that the scrambler currency is converted to 16 by 32) among the D310 after the currency (double word A270) of scrambler is dwindled 1000 times.
Use high-speed counter 0, software reset, delta pulse input; Before starting, frequency converter makes high-speed counter reset (A531.0=1).
D320 is the container position intermediate quantity, when pressing the container position button, composes analog value, D320=5000 when promptly putting the position in place on the container position to D320; When putting the position under container is positioned in place, D320=15000; When the container running status changes, the D300 assignment is arrived D320.
When transferring, D300=D320+D310;
During lifting, D300=D320-D310;
7, the container travelling speed detects
Read haulage speed accurately with pulsed frequency conversion instruction (883), be put into D105.
8, analog signals conversion
Main force controller control voltage address: just changeing 200, the value with 200 is divided by 10, is put into D400 after multiply by 10 again; Counter-rotating 201, the value with 201 is divided by 10, is put into D410 after multiply by 10 again.Purpose is to eliminate the input value fluctuation.
9, transfer control
Close jar and just can send control command behind the door, otherwise hoister can not move.
Sending dotter signal is 5 points, and positive power switch turns clockwise 45 ° and puts slowly.Start put slowly after, the acceleration time on request, accelerate to the main given travelling speed (by half processing at full speed) that makes, decelerate to the rated speed of creep speed (10%) behind the deceleration point automatically, the back automatic band-type brake that puts in place of creeping stops.
10, promote control
Sending dotter signal is 4 points, and positive power switch turns clockwise 45 ° and carries slowly.Start carry slowly after, the acceleration time on request, accelerate to the main given travelling speed (by half processing at full speed) that makes, decelerate to the rated speed of creep speed (10%) behind the deceleration point automatically, the back automatic band-type brake that puts in place of creeping stops.
Sending dotter signal is 2 points, and positive power switch is carried on can carrying out in zero-bit.After carrying in the startup, the acceleration time on request, accelerate to the main given travelling speed that makes, decelerate to the rated speed of creep speed (10%) behind the deceleration point automatically, the back automatic band-type brake that puts in place of creeping stops.
Sending dotter signal is 3 points, and positive power switch can be transferred in zero-bit.Start transfer after, the acceleration time on request, accelerate to the main given travelling speed that makes, decelerate to the rated speed of creep speed (10%) behind the deceleration point automatically, the back automatic band-type brake that puts in place of creeping stops.
11, pulleying simulation process
After starting the pulleying simulation, after container reaches the site, do not stop, stop to the protection action of pulleying point back.The pulleying analogue relay of the respective direction of in the stop loop, connecting in the program.
12, protection
Can realize that hoister constant speed section overrun W22.08, hoister brake block abrasion W22.09, the hoister of W22.07, hoister braking section of overrunning refers to deeply lose efficacy that W22.10, hoister brake oily under-voltage W22.11, hoister pulleying button W23.00, hoister slack rope analog buttons W23.02, hoister is braked protections such as oily overvoltage W23.03.
Protection action back keeps and starts protection actuating signal W0.14, by resetting behind the hoister excision programmed protection button W21.11.
13, adjustable lock control
Adjustable lock only uses for driver operation in native system, does not embody in the program.
14, zero clearing
All output word zero clearings realize in the coalcutter system during general reset.
(12) allocation tables
(14) analog quantity
200 master controller forwards are given
210 No. one frequency converter is given
211 hoisters braking pump motor electric current
212 coalcutter water pressure gauges
214 coalcutter water flowmeters
Third part: work post example
Example 1: coalcutter driver operation
(1) starts behind the experience system and system selector switch to be screwed into " coalcutter system state "
(2) teacher/examination person selects the coalcutter position
(3) student (student) operation
1, student (student) dictation before the start
(1) checks whether the coalcutter disconnector is in the position of cutting off the electricity supply.Reexamine coupling bolt, whether pick complete, fastening, each operator is flexibility and reliability, whether each oil mass up to specification, various sealings are intact, water clock not, each protective device is complete, effective.
(2) check the clamping plate of cable handler and cable, water pipe whether excellent, not swipe, whether flexibility and reliability, the cooling and spraying plant is complete, hydraulic pressure, flow are up to specification of arc spillplate, whether the wear extent of piston shoes, guide pipe etc. surpasses regulation.
(3) the workplace inclination angle is when 15 degree are above, and whether its slippage prevention device is safe and reliable.
(4) check whether rack rails is fixing firm, and whether gear and rack rails engagement be good, and spillplate, guide pipe have error-free stubble.
2, the preparation before the start
(1) make an inspection tour around the coalcutter, confirming does not have clear in dangerous and the machine turns scope to personnel.
(2) running conveyor: the transporter latch switch is got to " release " position, and notice transporter driver starts transporter, the starting of animation display transporter.
(3) power turn-on switch
(4) the main disconnector that closes
(5) the auxiliary disconnector that closes
(6) supply water: " water yield " handgrip is screwed into " opening " position, connects the water source, " water pressure gauge " shows normal back (directly using the 220V voltage table), and " water valve " handgrip is screwed into " opening " position, opens spraying, and this moment, animation should show the spraying beginning.(noting: also do not adorn these two switches on the operator's console)
3, regulate roller height
Press " having led button ", left cut motor and pump motor start, and by heightening button two cylinders are transferred to certain altitude.
4, rollers running
(1) crawl " has been led button " and in 30 seconds " left clutch " analog switch has been rotated to " closing " position, shows in the animation that left clutch was incorporated into the position when tube that rolls left slowly turned round.
(2) after left clutch is incorporated into the position, start left cut motor, an animation display entry into service of rolling left by " lead button ".
(3) crawl " second start button " rotated to " closing " position with " right clutch " analog switch in 30 seconds, showed in the animation that right clutch was incorporated into the position when right cylinder slowly turned round.
(4) right clutch is incorporated into the position by the right cut motor of " second start button " starting, the right cylinder entry into service of animation display.
5, draw operations
Teacher (examination person) action button case should be provided with the coalcutter position button, shows coalcutter position, cylinder position, position, coal seam in the animation.Make things convenient for student (student) to select feed mode, shearer haulage direction.
(1) cylinder is heightened
According to coal seam situation in the animation,, cylinder is transferred to suitable position by heightening button.
(2) by " eletric button is sent in traction ", tractive transformer send.
(3) select lead by " lead button "
(4) select suitable haulage speed by " acceleration button "
Teacher (examination person) began coal cutting by " coal cutting button " coalcutter when (5) animation display was to coal cutting, and display screen shows load current.
The mode of perhaps utilizing haulage speed to calculate hauling distance is determined coal cutting.
(6), finish a coal cutting process according to the coal seam situation that shows in the animation.(face length is set in the program, calculates, finish a coal cutting process, intend adopting the middle part feed mode with haulage speed.)
5, special circumstances are handled
(1) permanent power control
When teacher (examination person) pressed accordingly " cut electromotor overload＞110% " button, student (student) should be able to judge the situation of coalcutter according to the duty parameter of animation and display screen demonstration, and report teacher (examination person).
(2) heavy duty is counter leads control
When teacher (examination person) pressed accordingly " cut electromotor heavy load＞130% " button, student (student) should be able to judge the situation of coalcutter according to the duty parameter of animation and display screen demonstration, and report teacher (examination person).
(3) coalcutter fuselage shaking
When teacher (examination person) presses " fuselage shaking " button, animation display coalcutter fuselage shaking, student (student) should be able to illustrate reason and the treating method that causes the coalcutter fuselage shaking.
(4) coalcutter slides down
When teacher (examination person) presses " coalcutter slides down " button, animation display coalcutter fuselage shaking, student (student) should be able to illustrate reason and the treating method that causes that coalcutter slides down.
(5) coalcutter waft cutter, gnaw at the end
When teacher (examination person) presses " coalcutter waft cutter or gnaw at the end " button, waft cutter or gnaw at the end of animation display coalcutter, student (student) should be able to adopt corresponding measure to handle, and reason and the treating method that causes that coalcutter slides down can be described.
(6) the cut motor does not start
When operating, the cut motor can not start, and student (student) should be able to illustrate reason and the treating method that the cut motor can not start.
(7) coalcutter does not draw after starting
When operating, coalcutter does not draw after starting, and student (student) should be able to illustrate the reason and the treating method of not drawing after coalcutter starts.
Example 2: hoister operation
(1) starts behind the experience system and system selector switch to be screwed into " elevator system state "
(2) teacher/examination person selects the primary tank position
(3) driver operation explanation
1, preliminary work before the driving:
Send the electricity order: serve power switch, click " control power initiation " button on the operator's console then, " safety condition possesses " pilot lamp is bright on the operator's console at this moment; Click " brake pump startup, safety relay work " button, " safety relay " pilot lamp is bright, and brake pump is opened, and " brake pump is opened " pilot lamp is bright; Click " lubricating pump is opened " button, lubricating pump starts, and possesses the driving condition this moment.
2, drive:
After the signalman sent correct starting signal, display screen showed the number of times of sending dotter signal, 1 parking, 2 signals are carried on being, 3 signals are for transferring, and 4 signals are for carrying slowly, and 5 signals are for putting slowly, winchman must be seen clearly and gets number of times ready, and after " signal is sent out " pilot lamp is bright, master controller is pushed away forward or pulls back, at the same time lock is unclamped entirely, then master controller is pushed away or pull back into the end forward, winch enters running status.Winch runs to behind the deceleration point and slows down automatically, and apart from 3 meters enter and creep to the site, automatic stopping afterwards puts in place.
3, stop in emergency:
When the driver finds that emergency condition need be stopped in emergency, with the foot-switch in the lower right corner under the right threading, safety return circuit outage this moment, frequency converter stops output immediately, and the hoister band-type brake stops.
4, after the safety return circuit power down, recover to drive:
If safety return circuit power down; after investigating thoroughly that reason is fixed a breakdown; " 4AK (excision programmed protection) " button is clicked; " safety condition possesses " pilot lamp is bright; then " brake pump startup, safety relay work " button is clicked; " safety relay " pilot lamp is bright, the driving state of being allowed for access.To separate language switch Rotate Left, recover then, can remove warning.
5, guarantee the normal safe operation of hoister:
When the driver succeeds, tackle various protections, particularly overtravel protection and test, installing and fixing of refer to losing efficacy to shaft encoder, deeply in addition checked, pinpoints the problems and handles immediately.
After the pulleying " pulleying switching " switch is stamped, after " safety condition possesses " lamp is bright, safety relay is served, get driving then ready; After recovering pulleying, should recover " pulleying switching " switch.
6, signal indication:
There are " STOP ", " signal is sent out " pilot lamp in the panel right side.
Sending dotter signal requires to handle as follows according to ore deposit side:
1 stop, carry on 2,3 transfer, 4 carry slowly, 5 put slowly;
After making a call to 1 signal, if speed surpassed 0.5 meter per second at that time, winch stops after decelerating to 0.5 meter per second automatically, but the operative employee also will in time receive main order and rim brake according to actual conditions; Band-type brake parking immediately when if speed is lower than 0.5 meter per second at that time.
7, in the time of will normally driving:
" safety condition possesses " on the table top, " safety relay ", " brake pump is opened ", " signal is sent out " pilot lamp are bright, could drive.
It should be noted last that above embodiment is only unrestricted in order to technical scheme of the present invention to be described.Although the present invention is had been described in detail with reference to embodiment, those of ordinary skill in the art is to be understood that, technical scheme of the present invention is made amendment or is equal to replacement, do not break away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (5)
1. one kind based on coalcutter and hoister comprehensive practical traning checking device, it is characterized in that this device comprises: teacher/examination person's operator's console, the student/person's of examining operator's console and electric control system; Described student/the person's of examining operator's console comprises: coalcutter real training examination operator's console and hoister real training examination operator's console;
Described teacher/examination person's operator's console links to each other with electric control system with described coalcutter real training examination operator's console, hoister real training examination operator's console respectively; Described electric control system links to each other with described coalcutter real training examination operator's console, described hoister real training examination operator's console respectively;
Described electric control system is used to simulate the production scene, and gathers the service data information and the operation conditions of controlling coalcutter/hoister in the simulated field of coalcutter/hoister in the simulated field;
Described teacher/examination person's operator's console is used to select still hoister operation of real training examination coalcutter operation, and the ruuning situation of controlling plant equipment in the described electric control system provides teaching and examination;
Described student/the person's of examining operator's console is used for carrying out real training and examination according to content and described electric control system ruuning situation that described teacher/examination person's operator's console is selected; Wherein, described coalcutter real training examination operator's console is to be used for the student/person of examining to operate according to three-dimensional animation displaying coalcutter running status, and this operation is identical with the mode of operation of production scene; Described hoister real training examination operator's console is to be used for the student/person of examining according to operating according to three-dimensional animation displaying hoister running status, and this operation is identical with the mode of operation of production scene.
2. according to claim 1 based on coalcutter and hoister comprehensive practical traning checking device, it is characterized in that, when described teacher/examination person's operator's console selects hoister to be operating as the real training content of examination, described teacher/examination person's operator's console is also done the signal operation platform, for the driver provides correspondingly run signal.
3. according to claim 1 and 2 based on coalcutter and hoister comprehensive practical traning checking device, it is characterized in that described electric control system comprises PLC, touch-screen, frequency converter and motor.
4. according to claim 1 and 2 based on coalcutter and hoister comprehensive practical traning checking device, it is characterized in that, described electric control system respectively with described teacher/examination person's operator's console, described coalcutter real training examination operator's console, hoister real training examination operator's console by the fieldbus communication that links to each other.
5. according to claim 1 and 2ly it is characterized in that described three-dimensional animation adopts configuration software and FLASH based on coalcutter and hoister comprehensive practical traning checking device.
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| CN104332105A (en) * | 2014-10-22 | 2015-02-04 | 江苏师范大学 | Operation training system and method of mine hoist |
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