CN104952348A - Coal mine hoist simulation training device - Google Patents

Abstract

The invention discloses a coal mine hoist simulation training device, comprising a master console and a simulation lifting unit. The master console comprises a touch screen, a master controller PLC, a monitor PLC, a current detection module, a current-limiting module, an adjustable brake module, a voice warning module, a relay board, a meter and an indicator light. The master controller PLC is connected with the monitor PLC via a communication module, and is connected with the current detection module, the current-limiting module, the adjustable brake module, the voice warning module, the relay board, the meter and the indicator light. The simulation lifting unit comprises a lifting frame, a driving part, a guide rail, a lifting container, a switch and a signal light. The coal mine hoist simulation training device of the invention greatly enhances pertinence and effectiveness of training coal-mine electromechanical technicians, increases the operation level and the efficiency of maintenance work, shortens the time for fault handling, achieves significant economic and social benefits, and has good market prospect.

Description

Coal mine lifting machine Simulated training device

Technical field

The present invention relates to field of machinery automation, particularly a kind of coal mine lifting machine Simulated training device.

Background technology

At present, modern industry automatic control equipment PLC, frequency converter are more and more universal in the application of group company, along with technical progress and renewal of the equipment, also more and more higher to the requirement of field technician and Operation and Maintenance personnel.But actual conditions are, a lot of electrician technician even technician, to mastery of knowledges such as modern industry control PLC, frequency converters, seriously lags behind the actual demand of field apparatus.Causing the main cause of above-mentioned condition, is that field staff lacks the modern control devices such as PLC, frequency converter " real training " chance.Only do well to train at ordinary times, field staff can be touched PLC system, can compile, can try, abundant grasp equipment performance, grasp frequency changer, principle, the equipment Shi Caineng that breaks down knows what's what, and dares to repair and can repair, process optimization can be carried out when technique change or technical renovation, Optimal Parameters is arranged or improvement program, digging equipment potential, reduces failure rate and judges handling failure fast, reducing the dependence to device fabrication producer or design department.

Summary of the invention

The object of the invention is to overcome the problems referred to above, a kind of coal mine lifting machine Simulated training device is provided.

For achieving the above object, the method that the present invention adopts is: a kind of coal mine lifting machine Simulated training device, comprise master station and simulation lifting gear, described master station comprises touch-screen, main control computer PLC, monitoring equipment PLC, current detection module, current limliting module, adjustable brake module, voice alarm module, relay board, instrument and pilot lamp, be connected by communication module between main control computer PLC with monitoring equipment PLC, main control computer PLC is connected with current detection module, current limliting module, adjustable brake module, voice alarm module, relay board, instrument and pilot lamp respectively;

Described simulation lifting gear comprises lift frame, drive part, guide rail, hoisting conveyance, control knob, switch and signal lamp; Wherein lift frame provides supporting for hoister, fixed guide, its middle guide is fixed on lift frame, ensure that hoisting conveyance does vertical movement, hoisting conveyance comprises cage, it is connected with described drive part by wire rope gearing system, and the position of the upper underdrive of cage is provided with magnetic control proximity switch, and described magnetic control proximity switch is connected with main control computer PLC by signalling channel;

Described drive part is arranged on the top of lift frame, drive part provides power for hoisting conveyance, it comprises motor, reductor, angle sheave and frequency converter, wherein frequency converter is connected with motor, control the rotating speed of motor, frequency converter is connected with main control computer PLC by the expansion module of main control computer PLC;

Motor is connected with reductor, and be connected with cage by wire rope gearing system, drive rising or the decline of cage, the output shaft of described motor is provided with high speed shaft scrambler, high speed shaft scrambler is connected with main control computer PLC, the output shaft of described reductor is provided with low speed encoder, and described low speed encoder is connected with monitoring equipment PLC.

As a modification of the present invention, described main control computer PLC and described monitoring equipment PLC is mitsubishi FX2N series of PLC.

The present invention has following beneficial effect:

1, hoister simulation and training device entirety is tower structure, adopts transducer drive experiment electric motor, drives hoisting conveyance motion, can emulate the various operating modes that hoister runs by wire rope.

2, hoister simulation and training device can coordinate with the hoister operator's console of PLC technology applicator platform or reality, jointly completes the reality teaches pattern such as hoister operation, control, maintenance, maintenance.

3, this system globe area computer technology, Programmable control technology, field bus communication technology, variable-frequency control technique, Electric Traction automatic technology etc., in modular design mode, according to teaching or the actual needs of scientific research, flexible assembling goes out multiple real training circuit, for the colliery electric operation maintenance technology training of managerial staff, scientific research construct a convenient and swift efficient platform.The foundation of hoister simulation teching training platform, greatly strengthen specific aim, the actual effect of coal mining machine power technology staff training work, improve the efficiency of operant level and maintenance work, shorten the time of fault handling, remarkable economic and social benefits, has good market outlook.

Accompanying drawing explanation

Fig. 1 is structured flowchart of the present invention;

Fig. 2 is circuit diagram of the present invention.

Fig. 3 is wiring diagram of the present invention.

Embodiment

Below in conjunction with the drawings and specific embodiments, illustrate the present invention further, the present embodiment is implemented under premised on technical solution of the present invention, should understand these embodiments and only be not used in for illustration of the present invention and limit the scope of the invention.

Be illustrated in figure 1 system architecture diagram of the present invention, the invention provides a kind of coal mine lifting machine Simulated training device, comprise master station and simulation lifting gear, described master station comprises touch-screen, main control computer PLC, monitoring equipment PLC, current detection module, current limliting module, adjustable brake module, voice alarm module, relay board, instrument and pilot lamp, be connected by communication module between main control computer PLC with monitoring equipment PLC, main control computer PLC respectively with current detection module, current limliting module, adjustable brake module, voice alarm module, relay board, instrument and pilot lamp are connected,

Described simulation lifting gear comprises lift frame, drive part, guide rail, hoisting conveyance, control knob, switch and signal lamp; Wherein lift frame provides supporting for hoister, fixed guide, its middle guide is fixed on lift frame, ensure that hoisting conveyance does vertical movement, hoisting conveyance comprises cage, it is connected with described drive part by wire rope gearing system, and the position of the upper underdrive of cage is provided with magnetic control proximity switch, and described magnetic control proximity switch is connected with main control computer PLC by signalling channel;

Described drive part is arranged on the top of lift frame, drive part provides power for hoisting conveyance, it comprises motor, reductor, angle sheave and frequency converter, wherein frequency converter is connected with motor, control the rotating speed of motor, frequency converter is connected with main control computer PLC by the expansion module of main control computer PLC;

Motor is connected with reductor, and be connected with cage by wire rope gearing system, drive rising or the decline of cage, the output shaft of described motor is provided with high speed shaft scrambler, high speed shaft scrambler is connected with main control computer PLC, the output shaft of described reductor is provided with low speed encoder, and described low speed encoder is connected with monitoring equipment PLC.

The main control computer PLC that the present invention is used and described monitoring equipment PLC is mitsubishi FX2N series of PLC.

Fig. 2 and Fig. 3 is wiring diagram of the present invention, and composition graphs 2 and Fig. 3 sketch the lower course of work of the present invention:

(1) master switch, brake pump control

1ZK is the battery main switch of master station, plays overload, overcurrent effect.

Brake pump controls: contactor JC1 is for controlling the breaking and closing of brake pump, D1 is brake pump 1, D2 is brake pump 2, one of them uses, and another one is for subsequent use, and K1 is the change-over switch of two brake pump motors, by brake pump start button 1QA, now JC1 obtains electric, and brake pump starts, and relay indicating light ZDBD is bright.When after brake oil overvoltage, the signal come by external sensor is after PLC process, and the J2 contact being serially connected in control loop disconnects, brake pump stall.(what draw dotted line is external circuit) is adjusted during rope and also should be changed.

(2) lubricating pump controls

Lubricating pump controls: contactor JC2, JC3 control the start and stop of two lubricating pumps respectively, 2HK switch is the switch of two lubricating pumps, lubricating pump relay indicating light is RHBD, for realizing a wherein road lubricating pump motor automatic start-stop, seal in RHBK contact at its control loop, automatically controlled by PLC.

(3) power supply instruction, tune rope control, safety return circuit

With pointer gauge instruction AC220V power supply, separately in gauge outfit, add power detecting module, deliver to the X47 end of main frame with or without voltage signal.

Rope control is adjusted to be mainly used in console mode twin-roll single rope winding hoist, be made up of 1HK, 5AK, 6AK, Q1, Q2 and JXK9, wherein 1HK is for adjusting rope switch, 5AK is G1 valve gauge tap, 6AK is G2 valve gauge tap, Q1, Q2 are the travel switch of rope-adjusting clutch, and JXK9 is for adjusting rope safety interlock switch.TKSD is for adjusting rope start instruction lamp, and TDWD to put in place pilot lamp for adjusting rope, adjusts during rope and need connect control power supply, open brake pump, and tune rope switch is gone to adjusts rope position.Adjust in rope process, when clutch coupling is opened, Q1 switch is not pressed, and Q2 switch is not also pressed, and signal lamp TKDB and TDWD is simultaneously bright, represents that clutch coupling is opened.When clutch coupling is all opened, Q2 switch is held down, and in the safety return circuit of one side PLC machine, normal opening and closing points Q1-2 closes, and interlocking is removed; On the other hand TDWD is extinguished, only have TKSD lamp bright, represent that clutch coupling is opened completely, hoister can be started and carry out tune rope.

Close in process at clutch coupling, pilot lamp TKSD and TDWD is entirely bright, logic normally closed some Q1-2 point disconnects safety return circuit, carries out safety interlocking, when closing completely to clutch coupling, Q1 is pressed, TKSD pilot lamp extinguishes, and only has TDWD pilot lamp bright, illustrates that clutch coupling closes, now Q1-2 point closes, and removes safety interlocking.

In addition, the JXK9 in the logical security loop of PLC machine is for adjusting rope safety interlock switch, and as declutching during tune rope, protection is used.

Wherein G3, G4 valve is safety valve, is controlled by switch 3HK, when 3HK is left-handed, G3, G4 valve all electric, when 3HK dextrorotation, G3 valve obtains electric.G4 valve must not electricity.

(4) auxiliary transformer, display screen, language board

Control transformer (FZB)

Control transformer is by UPS Power supply, and AC220V voltage is as follows through the different brackets of transformer process:

The selsyn that 110V/0.6A power supply mainly supplies foot-operated low-frequency brake device uses; 24V/ and 12V electric pressure is for auxiliary electrical source plate (FZDYB), and the direct current 24V power supply that this power supply is mainly used in supplying whole system uses and powers to language alarm plate (YTX-01).

Auxiliary electrical source plate

The function of auxiliary electrical source plate is divided into 2 aspects:

1. power supply effect: alternating voltage becomes DC voltage.

2. coal position protection, the auxiliary circuits such as rope creep protection, utilize the electronic circuit of external sensor and accessory power supply intralamellar part can complete coal position, rope creep protection.

Display screen

The chromatic liquid crystal screen of Japanese DGT company selected by this master station, as promoting automatically controlled various quiet, Dynamic Announce.Power supply is DC24V, and printable, this chromatic liquid crystal screen can show 9999 pictures, has preparation state, operating conditions, trouble and managing etc.The main contents of this trouble and managing be break down year, month, day, hour, min, second container position, pulling speed, current of electric, get number of times, braking oil pressure, lubricating oil, the various protections of main control computer, the various protections of monitoring equipment ready, the full content of preparation state, run mode.

Language alarm plate (YX-02)

Have 20 kinds of alarm languages namely: speed is more than 2m/s, and deceleration is overrun, constant speed section is overrun, and stops in emergency, and deeply refers to lose efficacy, brake oil overvoltage, and brake block abrasion promotes pulleying, wire rope pine, deceleration point to, reverse, lubricating pump do not open.

(5) lighting lamp control

ZMK is light switch, and ZMD is illuminating lamp.

(6) Special controlling

JSD1 or JSD2 normally should be normally closed contact, should disconnect to deceleration point.After JSD1 or JSD2 disconnects: (1) PLC receives an order, go to control interrelated logic relation with software: (2) TCJ disconnects, go to control related content with hardware.TD is for use software control high-tension switch cabinet.WF is rate-of-change relay.

(7) emergent lifting

When promoting when meeting an urgent need, YJK-1 switch is stamped, J1 to J5 obtains electric, 050 and 008 possesses for safety return circuit condition, 050 and 200 satisfy the requirements for brake pump, 122 and 117 is 122 connect with the power phase that low frequency controls consistent, and 120,122 connect and control on the positive and negative loop of low frequency, and 148 and 149 connect on audio line.111 and 205 is two stage braking G5 solenoid valve, and 203 and 204 control for KT, and 089 and 206 control for KT, 087 and 198 climb by force control signal for low frequency, 124 and 126 is that two ground wires are connected, and 182 and 298 power for potentiometer during emergent lifting, and 102 and 103 is low-frequency start signal.

(8) communication terminal

FX2N-485BD is the communication module of FX2N Programmable Logic Controller, has shared four modules in this system: 1, main frame; 2, monitoring equipment; 3, commutate intelligent station; 4, speed governing intelligent station, for the communication of communication system.

(9) panel-switch, ups power

ZDY is braking source power switch, powers to low-frequency brake power cabinet.

AN is emergency button;

3QA, 3TA, 3QT are the startup and stop button of powering to master station.

MS, MX are slowly above, descend button slowly, and the normally closed point of these two buttons is used in the input end of PLC, often makes war as subsequent use, connecting terminal row's 116,117,118.

JTK1-2B is foot-switch, and one group of its two groups of normally closed points seals in the Releasing loop with no pressure of high-voltage feedback power switch, and step on this switch, high-voltage feedback power switch trips immediately.Auxiliary switch contact on feeding switch disconnects simultaneously, safety return circuit dead electricity.

The input voltage 220V of ups power, output voltage 220V, its effect is as follows:

After outside power failure, can uninterrupted power supply be kept, can realize and complete the emergency braking function of the middle two stage braking of pit shaft and well head.

Can pressure stabilization function be played, and power directly to FX2N-32MR and FX2N-64MT through fuse RD1.

(10) restrictor (XQL1), shaft encoder

Mainly play metering function, protection PLC normally works, and reduces man-made fault.This restrictor is connected on COM end, and maximum protection electric current is 0.3A.

First shaft encoder is arranged on slow-speed shaft.The power supply of shaft encoder be the 24V power supply of FX2N-32MR, its B phase receives X0, and connect X1, X2 of A is the input end that tests the speed.The stroke that hoister runs and speed are all that this shaft encoder is measured.Second shaft encoder is that master controller uses, its power supply be the 24V power supply of FX2N-32MR self.COM is the negative pole of 24V, and+24V is 24V positive pole.Its input signal, B connects X3, A connects X4, promote through main order before and after handle, counter in PLC detects and adds counting or subtract counting, in inside after relatively, makes LK-3, LK-4, LK-5, LK-6, LK-7, LK-9, LK-11 action of main order, master controller pulls back as forward, pushes away forward as oppositely.

(11) monitoring equipment input end

JXK3-J is the signal input part that oppositely puts in place, meets X6.The effect of this input end is just reset by basic counter when having input signal, and on display screen, display puts in place.

JXK4-J is that forward puts in place signal input part, meets X7.This input end plays corrective action, and when forward puts in place, the counting of basic counter corrects, and on display screen, display puts in place.

X10, X11, X12 of monitoring equipment and X10, X11, X12 of main frame for subsequent use.

ZLL mainly makes zero-bit, and meet X13, when zero-bit is moved in main order to, the optoelectronic switch of master controller outputs signal to X13, when X13 has input signal, and the counter O reset of master controller in program.

DD1 gets ready, meets X14.Have in program and a set ofly get program ready, if it is 1 point that X14 receives a signal, if it receives twice signal is 2 points; Be for 3 times 3 points; Be for 4 times 4 points; Be for 5 times 5 points.1 in order to stop, 2 is lifting, and 3 is oppositely promote, and carry slowly for forward for 4,5 for oppositely to carry slowly.

DD2 for subsequent usely gets parking input end ready, meets X15.

YX is the input signal that stops in emergency, and meets X16.

GZ spare input signal, meets X17.

(12) output terminal for subsequent use, language start, space signal lamp and bell

The public termination of COM1, COM2 has entered the negative pole (COMK) of 24V, JZ-02(8 position) relay change-over panel, the positive pole of access 24V.When Y0 exports, first relay adhesive of relay change-over panel, the junction closure of JZ01 and JZ02, analogizes in proper order, when Y7 exports, the 8th relay adhesive on relay change-over panel, JZ15 and be JZ16 junction closure.

COM3 is public input end, the negative pole of access 12V, and YQD1 is language startup 1, YQD2 is that after language starts 2, Y10 output, control language plate starts first group, and after Y11 exports, control language plate starts second group.Y12 and Y13 output terminal is pilot lamp for subsequent use, and the needs according to scene can be used as other pilot lamp.

The public termination of COM4 enters U1 and 220V power supply.JSL is deceleration bell.After having served as deceleration point or when reserve battery is under-voltage, Y16 exports, deceleration bell ring.

(13) safe interlocking circuit

Native system designs by the principle of safety return circuit double wire system.In lifting is automatically controlled, contact and the safety braking contactor coil loop of the various safety guards in system are in series, once hoister occurs pulleying, overruns, slack rope etc., corresponding protection contact disconnection, the power-off of safety braking contactor, carries out safety braking.

GYD is high-pressure vacuum breaker auxiliary contact, when Host Security loop Y20 exports, monitoring equipment safety return circuit Y17 exports simultaneously, when high-pressure vacuum breaker GYD closes, by safety relay play button 1QA-2, safety relay AC1, AC2 coil obtains electric, now ACD safety relay relay indicating light is bright, represent that safety return circuit obtains electric, solenoid valve G3 obtains electric sticking (3HK dextrorotation), when the arbitrary input point of the safety return circuit in logical circuit disconnects, and AC1, AC2 coil losing electricity, the power-off of G3 valve, safety return circuit realizes safety braking.

(14) pointer gauge

VZ is low-frequency power braking, instruction low-frequency voltage.ZDJC be braking source detect, when hoister operates in constant speed section, PLC to low-frequency brake power cabinet trigger pip, low-frequency brake power cabinet output voltage.If there is voltage, 130,360 conductings of ZDJC, to PLC input signal, hoister normally runs; If detect and do not have voltage, 130,360 not conductings, PLC does not receive signal, and hoister is in operation, and every one second sound alarm bell, reminds driver to answer pre-decelerating to receive lock braking.

AZ is low-frequency current table.VH is high-tension voltmeter.

CYJC is residual voltage check-out console, and terminal numbers 134,135 is in the lower end of high pressure directional contactor, also just at motor stator termination voltage transformer (VT), and 6000V/100V.When after high voltage connector power-off, residual voltage check-out console detects stator loop and whether also has residual voltage, if there is residual voltage, and 130,361 conductings of residual voltage check-out console lower end, to PLC input signal, control low-frequency brake contactor is not allowed adhesive by PLC inside, if after high voltage connector power-off, residual voltage check-out console detects does not have residual voltage, 130,361 not conductings, PLC does not receive signal, and so low-frequency brake contactor is after extinguishing arc, can adhesive.

(15) restrictor (XLQ2) of main control computer

Design current 0.5A, shields to main frame.

(16) main control computer shaft encoder

Motor shaft encoder, this shaft encoder is arranged on high speed shaft, and motor synchronous rotating speed.Connect X0, B of A connects X1, X2 for testing the speed, the same with the counter of monitoring equipment, completes the effect of testing the speed and measuring stroke equally.

The power supply of rim brake shaft encoder is the 24V power supply of FX2N-64MT.Connect input X3, A of B connects input end X4.It is for the control of the lock that works.When push the work forward lock time, the pulse that shaft encoder produces is converted to analog output through 4DA, sends into adjustable brake module, the voltage swing of control ratio valve coil after amplifying.

(17) the important input end of main control computer

JXK3-Z is the input end that oppositely puts in place of main control computer, meets X6.When its input end has a signal, power-off bag lock, analytic accounting number resets simultaneously.

JXK4 forward puts in place input end, meets X7.When its input end has a signal, power-off bag lock, corrects the overall pulse number of counter simultaneously.

JXK5 is the protection of reverse card skip bucket, meets X10.JXK6 is the protection of forward card skip bucket, meets X11.

SZMC refers to pulse signal deeply, meets X12.Hoister operationally, if do not have pulse signal, report to the police immediately after running 2m by hoister, after running to deceleration point, and safety braking.

JXK1 be outer counter to pulleying, meet X13.When outer counter is to pulleying, X13 does not input, safety relay dead electricity.

JXK2 is forward pulleying, meets X14.When outside forward pulleying, X14 does not input, safety relay dead electricity.

JSD1 is outside speed reducing switch, meets X15.

SS is slack rope, meets X16.

ZMS is brake block abrasion, meets X17.If brake block abrasion, do not have signal to input, safety relay dead electricity, has language alarm simultaneously.

(18) conventional control input end

1AK is excision language alarm, meets X20.When after safety return circuit power down, language alarm, reports the fault occurred at that time.By this switch Rotate Left, remove language alarm.After failture evacuation, this switch is resetted.

2AK is positive force switch, meets X21.When positive force promotes, by this switch Rotate Left, hoister does not throw low-frequency brake after crossing deceleration point.

3AK is excision automatic reverse, meets X22.By this switch Rotate Left, excision direction memory, hoister can be driven according to the requirement got ready.

4AK is excision programmed protection, meets X23.Press this button, the inside pulleying of program, slack rope, the inefficacy of anti-reverse, dark finger, shaft encoder damage etc. can be excised.

FW5-6 is that reverse pulleying resets, and meets X24.When after the reverse pulleying of hoister, by pulleying change-over switch, left-handed 45 degree of safety conditions possess, and hoister can only be driven by forward.

FW7-8 is that forward pulleying resets, and meets X25.When after the pulleying of hoister forward, by pulleying change-over switch dextrorotation 45 degree, safety condition possesses, and hoister can only oppositely be driven.

DZK-B is the normally closed point of work lock switch, meets X26.When pushing away work lock, this contact disconnects, and work lock counter starts counting.

AC1-1, AC2-1 are the input signals of safety relay, meet X27.When safety relay normally works to PLC input signal.

Z is that robotization is driven, and meets X30.If when driving mode switch is transformed into automated location, X30 has input signal, enter automatic operating mode.

S is manual driving, meets X31.If when driving mode switch is transformed into manual position, X31 has input signal, be manual driving, during with low-frequency brake power cabinet, this driving mode need not.

K1 is brake pump switch input signal, meets X32.There is signal with X32 during No. 1 pump, there is no input signal with X32 during No. 2 pumps.

JTK1-1B is one group of normally closed point of foot-switch, meets X33.If when stepping on the foot-switch in the master station lower right corner, first falls safety return circuit, has stepped on the high-voltage power supply of feeding switch cabinet simultaneously.

MW is coal bunker level indicator, meets X34, signal of namely buying securities with all one's capital.When input point like this has an input signal, signal of buying securities with all one's capital has instruction, does not go up signal simultaneously, cannot drive.

JSD2 is outside speed reducing switch, meets X35.

MS be slow on, meet X36; MX be slow under, meet X37.Mainly adjust the size of current of work lock KT coil under above slow and slow, method of adjustment is turn 90 degrees on whole to 1AK, 2AK, a 3AK left side; On slow, the electric current of KT coil rises, and declining, when being transferred to the position of KT coil current standard, 1AK, 2AK, 3AK being resetted by the electric current of slow lower KT coil.When need continue during pulleying to promote.

(19) input end is expanded

RYCZ is any action button, meets X40.This button can excise acceleration current relay; Hoist hook number can be reset, the way of clearing is turn 90 degrees on a 2AK switch left side, clicks this button; Can correct analytic accounting number overall pulse number, concrete correction way is as follows, when container position is in zero-bit, is turn 90 degrees on a 1AK switch left side, normally drives, and clicks this button when hoister runs to when forward puts in place.

JXK9 adjusts rope interlocking input signal, meets X41.

1HK9-10 adjusts cord switch input signal, meets X42.When needing to adjust rope, cord switch will be adjusted to turn right 45 degree, enter and adjust rope form state.

RHB is lubricating pump, meets X43.When opening lubricating pump, to PLC input signal, this input signal seals in high pressure commutation condition, if do not open lubricating pump, high pressure commutation is unconditional, can not drive.

JTK2-B is foot-operated low-frequency brake switch, meets X44.If depress this switch, drop into low-frequency brake at any time.That steps on is more violent, and stalling current is larger.

Q1-2 is clutch switch input signal, meets X45.

CYJC is that residual voltage detects, and meets X46.This input end is the signal that residual voltage check-out console is brought.After crossing the power down of deceleration point high voltage connector, also have residual voltage, do not allow low-frequency brake contactor to drop into; If do not have residual voltage, just do not have input signal, low-frequency brake can drop into.

ZDYC is that low-frequency brake source is detected, and meets X47.When hoister runs to constant speed, this system will detect once whether have voltage to low-frequency brake; If do not have voltage, should have the interval chimes of doom of an each 1 second sound bell in system, prompting driver crosses deceleration point does not have electric braking, should receive lock in advance and stop.

X50: for subsequent use

X51: low-frequency brake is powered return signal

X52; Lubricating oil is overheated

X53: brake oil is overheated

X54 ~ X56 is spare input signal, and the demand according to scene can increase content.

X57:AC220V power detecting

(20) 4AD and 4DA

In FX2N-4AD, 4 represent 4 passages, and A represents analog quantity, and D representative digit amount, is converted to digital quantity by analog quantity exactly, and the 24V power supply of the FX2N-64MT that the power supply of 4AD is, 4 passages are CH1, CH2, CH3, CH4 respectively.

Current detection module is sent to the voltage come and is become digital quantity by CH1, the electric current of display motor;

4 ~ 20mA electric current that braking oil pressure power transmitter exports is become digital quantity by CH2;

4 ~ 20mA electric current that lubrication pressure power transmitter exports is converted to digital quantity display by CH3;

CH4 is the numeral voltage converting digital amount that 15 temperature polling instruments export being shown each temperature spot.

(21) electric current conversion

CL-02 current detection module is the 0 ~ 5A electric current brought by high-tension current inductor, and the voltage becoming 0 ~ 10V delivers to the CH1 passage use of 4AD, and another part is defluidization part.

4DA changes

In FX2N-4DA, 4 represent 4 passages, and D represents digital quantity, and the data of PLC internal arithmetic are become analog output by A representative simulation amount exactly.The power supply of 4DA is the 24V power supply with FX2N-64MT, and 4 passages are respectively CH1, CH2, CH3, CH4.

The voltage that CH1 exports is supply adjustable brake module I N1, and after adjustable brake module is amplified, the KT coil of supply work lock uses.

The voltage that CH2 exports is supply adjustable brake module I N2, and after adjustable brake module is amplified, the conditioning signal voltage of supply low-frequency power cabinet 0 ~ 20V.

The voltage that CH3 exports is that 0 ~ 5V of standard tests the speed voltage, for measuring speed.

The voltage that CH4 exports is that 0 ~ 5V of standard surveys given voltage, given for measurement.

(22) two stage braking

RZDY is two stage braking power panel, mainly becomes direct current by after AC rectification, supply G5, G6 valve.

(23) open loop low-frequency brake controls

CD2 is the selsyn of foot-operated low-frequency brake.Power input 231,235 meets AC110V, and JTK2-K is the normal battle of foot-switch, when depressing this switch, CD2 obtains electric, and selsyn exports the voltage signal of 0 ~ 50V, to adjustable brake module, after adjustable brake resume module, exported the braking moment being used for regulating low-frequency brake by L1.

(24) control of adjustable brake and low-frequency brake

When Y31 has output, JZ19-20 junction closure, GZJ, JZ13-14 junction closure, the normal battle of DZK-K work lock travel switch closes, and the angle that KT1 coil pushes away according to work lock handle starts there is electric current.When Y32 has output, after JZ21-22 junction closure, GZJ, JZ13-14 junction closure, the normal battle of DZK-K work lock travel switch closes, and the angle that KT2 coil pushes away according to work lock handle starts there is electric current.

KD-03 is adjustable brake low-frequency brake module.The voltage signal of 0 ~ 10V, after 4AD digital-to-analog conversion, is delivered to IN1 end by the data in PLC, after adjustable brake resume module, is exported the KT coil going to control brake pump by L3.The voltage signal of 0 ~ 10V, after the conversion of 4DA module, is delivered to IN2 end by the data in PLC, after the signal of this signal and foot-operated low-frequency brake compares, according to whom greatly with the principle who walks, control signal is exported by L1.

(25) safety return circuit controls

Y17 is that the safety relay of monitoring equipment exports; the output condition of Y17 must export under trouble-free condition; inside includes: deeply refer to lose efficacy, anti-reverse, braking section overrun constant speed section hypervelocity, abseiling or shaft encoder damage, miscommunication, close to the 2m/s speed limit of well head, inner pulleying etc.; if there is a protection act, Y17 does not just export.After Y17 exports, power supply U1 is sent into the safety relay of main frame, i.e. the JZ-01(16 position that controls of main frame Y20) first relay J Z1-2 of relay change-over panel.If Host Security relay Y20 exports, the GYD junction closure of high-voltage feedback power switch cubicle, now to possess pilot lamp bright for BACD safety condition.By 1QA-2 start button, safety relay AC1, AC2 coil obtains electric and self-insurance, and ACD safety relay relay indicating light is bright.When a failure occurs it, U1 dead electricity, AC1, AC2 coil also simultaneously dead electricity, realizes safety braking.

(26) language controls

The COM1 of main frame accesses the negative pole of 12V, and YX-1, YX-2, YX-4, YX-8 are language control end, and Y0-Y4 is that 8421 codings send position, breaks down and alarm.

(27) for subsequent use

Y4 to Y12 is output terminal for subsequent use.Need to use according to scene, but should consider that FX2N-64MT is that transistor exports, its load capacity should be considered.

(28) signal lamp and bell

After Y13 exports, signal bell ring, when getting ready, this output point exports.Y14 is overload bell and overload operation pilot lamp.Y15 is empty wagons run indicator.Y16 is stop light, and when beating stop sign, this output point exports, and Y17 is signal lamp, and when sending starting signal, this output point signal lamp is bright, and after crossing deceleration point, signal lamp extinguishes.

(29) relay conversion portion

JZ-01(16 position) relay conversion portion is that the output of the Y20-Y37 of main frame controls, when Y20 exports, JZ1-2 is closed.Y20 is the safety relay output terminal of main frame, and inside includes: outer pulleying, brake block abrasion, wire rope pine, interior pulleying, card skip bucket, deeply refer to lose efficacy, braking section overruns, constant speed section hypervelocity, anti-reverse, abseiling or shaft encoder damage, miscommunication, 2m/s speed limit close to well head.Do not export if any one of them protection act Y20.

DL1 is the input of low-frequency brake signal, meets Y21.After having served as deceleration point, Y21 exports, JZ3-4 junction closure, holds the 0 ~ 20V voltage sent to deliver to low-frequency power cabinet make adjustments the braking moment that voltage signal controls low-frequency power cabinet from adjustable brake module L1.

RHBK is that lubricating pump is opened, and meets Y22.Automatically can be controlled by program.

J2 is brake pump control end, meets Y23.When after brake oil overvoltage, nonstick system of control moves pump to be stopped.If after safety return circuit dead electricity, J2 output point disconnects, and stops the running of brake pump.

YBGD is language board feeder ear, meets Y25.When language alarm, Y25 has output signal.JZ11-12 junction closure, language board obtains electric.

GZJ is work lock relay, meets Y26, and when beating signal, when pushing to work lock, Y26 had output, and the adhesive of work lock relay, JZ13-14 closes, and KT coil obtains electric.

G5, G6 are two two stage braking valves, meet Y27, Y30.When hoister runs in constant speed section, after safety return circuit once motion, G5 valve time delay 3 seconds dead electricity, G6 valve obtains electric, realizes two stage braking.If hoister is when braking section runs, safety return circuit once motion, G5 valve dead electricity immediately, G6 valve obtains electric, realizes close to well head brake hard.

KT1, KT2 are adjustable brake coils, meet Y31, Y32.When No. 1 brake pump work, Y31 has output, and KT1 obtains electric; When No. 2 pump works, Y32 has output, and KT2 obtains electric.

Y33, Y34, be output terminal for subsequent use.(when for can be low-frequency start, stopping during low frequency)

Y35: this contact does not disconnect when positive force promotes.

Y36: when close to well head, when speed is greater than 2m/s, this contact disconnects (control high-tension switch cabinet)

Y37: disconnect after crossing deceleration point during normal hoisting, when positive force promotes, this contact does not disconnect.

(30) power supply is controlled

The PLC power supply of native system and each power supply that controls are by ups power treatment and supplied, and wherein the use of ups power ensure that the time delay of two stage braking completes, and make the control of whole system safely, reliably.

Each button of coal mine lifting machine Simulated training device provided by the invention and the purposes of switch and function as follows:

(1) any action button

A, press this button, acceleration current relay can be excised, but must not 3S be exceeded.

B, when total kilometres have error, the margin of error of total kilometres can be corrected.Bearing calibration is as follows:

Make winch accurately be parked in parking stall, put in place display, and the input end X006 of Programmable Logic Controller is bright, and container puts in place display zero; 1AK(is removed language) switch Rotate Left, get driving ready, make winch run to lower parking stall, under the state that liquid crystal display puts in place, first clicking any action button, then 1AK(removed language) switch resets, and container position at this moment should show 287.3m.

When C, hook number need to reset, with 2AK(positive force switch) coordinate, by this switch Rotate Left, click this button, promote hook number and be cleared;

(2) slow slow lower button: these two buttons are used for the adjustment of KT coil current size.Method is as follows:

First safety return circuit is served, again by 1AK, 2AK, 3AK tri-whole Rotate Lefts of toggle switch, but do not open brake pump, press slow lower button, KT electric current (MA table is answered) will rise to some extent, and press slow upper button, KT coil current (MA table) declines to some extent, adjust complete, 1AK, 2AK, 3AK are resetted.

Note: 1AK is for removing language switch; 2AK is positive force switch; 3AK is excision automatic reverse.

(3) brake pump start, safety relay button: this button has two functions: the first, safety condition possess pilot lamp bright after, click this button, safety relay work, brake pump start.The second, start brake pump separately.

(4) brake pump stop button: press this button, brake pump shuts down.

(5) power initiation, stop button is controlled: power to operator's console, have a power failure.

Note: as needed all to stop master station power supply, need have a power failure inner for master station standby power supply (UPS).

(6) emergency button: for subsequent use

(7) pulleying change-over switch: the left-handed 45 degree of reverse pulleying of excision of this switch, hoister can only leave by forward; Dextrorotation 45 degree, the pulleying of excision forward, hoister can only oppositely leave.

(8) lubricating pump switch a: lubricating pump opened by left-handed 45 degree of this switch, and No. 2 lubricating pumps are opened in dextrorotation 45 degree, and centre position is two pumps halted state.

(9) safety valve switch: this switch in centre position, G3, G3` valve all no powers, as by left-handed for this switch 45 degree, then two valves are all energized; As turned right 45 degree, then G3 energising G3` no power.During normal driving, should by left-handed for this switch 45 degree.

(10) excise language alarm switch: this toggle switch Rotate Left, language alarm stops, and when after trouble shooting, this switch should be resetted.

(11) positive force switch: this switch Rotate Left, after hoister ran deceleration point, low frequency does not drop into, and moderating process is controlled by driver completely.

(12) excise automatic reverse switch: when normally driving, have direction memory in program, winch runs not in place, then can not commutating to other direction and drive, to open to other direction, then this switch left side must be turn 90 degrees, remove direction memory.

(13) excise programmed protection switch: this switch Rotate Left, will can deeply refer to that inefficacy, wire rope pine, shaft encoder damage, reverse rotation protection, interior pulleying excision; Also be used as to recover safety return circuit; But do not allow to excise operation for a long time.

(14) low-frequency brake switch: for subsequent use.

(15) automatically, conventional, hand switch: this on-off action driving mode sets, and during automated location, (dextrorotation 45 degree) winch can carry out automatic operating; When manual position, test rope for low frequency and drive.

(16) G1, G2 switch: this switch uses when adjusting rope, and during G1, G2 Rotate Left, clutch coupling is in exit status, during the independent Rotate Left of G1, clutch coupling is in and gets the hang of.

(17) rope change-over switch is adjusted: this switch dextrorotation 45 degree enters adjusts rope form state.

The operation instructions of coal mine lifting machine Simulated training device provided by the invention is as follows:

(1) preparation before driving

Each switch is placed on normal condition, master controller, work lock handle is placed on zero-bit, under safety condition possesses the bright state of pilot lamp, by brake pump start button, can open brake pump and make safety relay adhesive.Brake pump pilot lamp, it is bright that safety condition possesses pilot lamp; Left-handed or dextrorotation lubricating pump switching knob, lubricating pump is opened, and pilot lamp is bright.

Note: drive under normal circumstances: point automated manner, usual manner and manual mode (low frequency tests rope), adopt which kind of mode to drive, driver can according to circumstances select.When selecting automated manner, maximum position shifted onto by main order and work lock handle, when stop sign pilot lamp goes out, signal bristled with anger show bright, time delay 1 second, winch and startup optimization.

Drive under abnormal condition: clearly can not drop into for some reason for low frequency device here, in order to drive when not affecting production, conventional driving mode should be selected, simultaneously should by left-handed for positive force switch.

(2) drive

Signal to have sent out pilot lamp bright after, according to conventional or positive force driving mode, push away forward or pull back and mainly make handle, after making the adhesive of high pressure directional contactor, work lock handle is pushed forward to the end, the main handle that makes pushes away forward or pulls back into the end, and each accelerating stage is adhesive step by step under the control of internal delay time relay, and winch enters full speed running state.After winch runs to deceleration point, if usual manner, have low-frequency brake and slow down, in moderating process, driver should note retarded velocity, suitably can receive lock and coordinate control.Deceleration completes, and the speed of a motor vehicle is lower than after 0.5m/s, and enter low-frequency driving and run, creep with the speed of 0.3m/s and put in place, automatic stopping, driver is by work lock handle, and the main handle that makes retracts zero-bit, for next startup procedure is prepared.If when positive force is driven, after winch runs to deceleration point, do not have low-frequency brake to participate in, moderating process is controlled by driver operation work lock.

During according to automated manner, although driver need not operate, the ruuning situation of winch be kept a close eye on, each pilot lamp, indicating gauge, the change of each data of display screen, if desired, lock can be executed and be equipped with control.

If time manual mode (low frequency tests rope), if winch is in the position that puts in place, then needs driving way selection switch first to beat at rotine positioning, after stamping signal, then this switch is beaten in manual mode, then declutch, promote main order and drive; If winch is not in the position that puts in place, then can directly drive.

Note: if after 1. there is stop off, or not in place, drive when direction memory is not removed to other direction, then left-handed for excision automatic reverse switch, can will drive.

2. winch is in operation, and does not allow to stir driving selector switch.

(3) stop in emergency: when driver finds that emergency condition needs to stop immediately, with the foot-switch in the lower right corner under right threading, now, safety return circuit power-off, high-voltage feedback power switch trip, hoister band-type brake.

(4) use of low-frequency brake open loop: when transferring weight, the foot-switch in the lower left corner under available left threading, that steps on is larger, and stalling current is larger, can according to speed manual control.

(5) after safety return circuit power down; recover to drive: if safety return circuit has fallen, after investigating thoroughly reason process, safety return circuit should be able to recover; table top cuts programmed protection button; pin, 5 kinds of faults (referring to the effect of this button) can be excised safety return circuit is recovered, winch is run and puts in place; unclamp this button; if safety return circuit is power-off still, illustrate that fault still exists, process be investigated thoroughly.Under the automatic method of operation, if safety return circuit is because of certain reason power down, then work lock handle, the main handle that makes will be regained zero-bit, driving way selection switch is put after rotine positioning, more again recovers automated manner.

(6) drive in pulleying excision situation

After promoting pulleying, left-handed or dextrorotation pulleying change-over switch, recover safety return circuit, start hoister, exit pulleying, if special requirement continues to drive to pulleying direction, except excision overtravel protection, also will by left-handed for excision automatic reverse switch, Operation Mode Selection is in manual mode, and the speed testing rope with low frequency reaches desired location parking; If continue to drive to pulleying direction under high pressure mode, then at rotine positioning, driver clicks slow upper button, within the time of 20 seconds, car can be reached desired location, namely clicks the time that slow upper button can provide 20 seconds.

Coal mine lifting machine Simulated training device of the present invention can complete following teaching task:

(1) PLC teaching

---the perceptual knowledge of PLC control system

---the wiring of I/O interface and peripheral cell

---PLC programmes

---the inspection of PLC system operational effect

(2) puffer electronic control teaching

---the perceptual knowledge of puffer electric-control system

---the element of system is formed, installation site and physical cabling

---puffer circuit theory

---the structure elucidation of PLC/ touch-screen control program

---the structure of shaft encoder, wiring and corresponding program composition

---the principle of frequency converter, wiring and debugging

---real training student is to the N network communication programming of PLC.

(1), real training student is to communication relay, data register programming.

(2), real training student is to signal system and promote automatically controlled logic blocking relationship program and write.

(3), real training student to stop sign, starting signal and signal circuit, commutation loop programmed logic relation, comprising acceleration, at the uniform velocity, slow down, docking process programming.

(4), real training student writes automatic reverse loop program.

(5), real training student is to being provided with necessary protection and interlocking device in elevator electric control circuit; when normal operating conditions is destroyed; each signal of safety return circuit sends protection; PLC detects safety return circuit cut-off signal; it is out of service that PLC controls frequency converter, PLC safe control loop programming.

(6), real training student is to leading zero hand programming.

(7), real training student to work lock hand programming.

(8), real training student is to stroke programming.

(9), real training student writes speed program.

(10), real training student is to eight acceleration time relay programmings.

(11), real training student writes eight accelerated procedures.

(12), real training student is to adjustable brake PID programming.

(13), real training student is to low-frequency power braking PID programming.

(14), real training student is to deceleration point and deceleration area programming.

(15), real training student is to data-oriented programming.

(16), real training student overruns to deceleration and constant speed is overrun programming.

(17), real training student is to different deceleration point programming.

(18), real training student writes touch screen program.

(19), real training student writes manual control procedures.

(20), real training student writes automatic control program.

(21), real training student writes conventional control program.

(22), to current detection module structural principle and wiring practical discipline of ability.

(23), to current limliting modular structure principle and wiring practical discipline of ability.

(24), to adjustable brake modular structure principle and wiring practical discipline of ability.

(25), to voice alarm module structural principle and wiring practical discipline of ability.

(26), to relay board structural principle and wiring practical discipline of ability.

(27), to various instrument and indicating lamp structure principle and wiring practical discipline of ability.

(28), real training student is arranged and operation Function Parameters of Transducer.

(29), real training student is arranged and operation frequency converter warning and defencive function.

(30), real training student is arranged and operation frequency converter outside terminal point operation control.

(31), real training student is arranged and operation Frequency Converter Control motor positive and inverse.

(32), real training student selects frequency control to arrange and operation to frequency converter multistage speed.

(33), real training student is arranged and operation frequency converter stepless speed regulation.

(34), real training student is arranged and operation the frequency control of frequency converter based on external analog amount (voltage/current) control mode.

(35), real training student starts control setting and operation to frequency converter instantaneous power-off.

(36), real training student is arranged and operation frequency convertor PID variable frequency regulating speed control.

(37), real training student controls frequency converter outside terminal by PLC and realizes motor positive and inverse programming setting and operation.

(38), real training student controls frequency converter outside terminal by PLC and realizes motor operating time control programming setting and operation.

(39), real training student is arranged and operation by the multistage speed governing programming of PLC discrete control mode.

(40), real training student is arranged and operation by PLC discrete control frequency conversion open loop speed governing programming.

(41), real training student by PLC communication mode frequency converter open loop speed governing programming arrange with operation.

(42), real training student is arranged and operation frequency converter 15 sections of speed governing programmings.

(43), real training student is arranged and operation frequency converter basic parameter.

(44), real training student is arranged and operation frequency converter PU.

(45), real training student is to frequency converter outer setting and operation.

(46), real training student is arranged and operation the debugging of frequency converter crawl.

(47), real training student is arranged and operation frequency converter stepless time adjustment.

(48), real training student is arranged and operation frequency converter multistage speeds control.

(49), real training student is arranged and operation the self-defined terminal of frequency converter.

(50), real training student is arranged and operation converter parameter.

(51), real training student regulates frequency converter frequency and arranges and operation.

(52), the parameter copy of real training student to frequency converter is arranged and operation.

(53), real training student removes the parameter of frequency converter and arranges and operation.

(54), real training student is arranged and operation the protection of frequency converter and alert process.

(55), real training student is arranged and operation frequency converter combination.

(56), real training student accelerates to arrange and operation to frequency converter.

(57), real training student is arranged and operation frequency converter deceleration.

(58), real training student controls to arrange and operation to PLC and inverter communication.

(59), real training student controls to arrange and operation to person-computer union and inverter communication.

(60), real training student is arranged and operation PLC and person-computer union Communication Control.

(61), real training student controls to arrange and operation to PLC, person-computer union and inverter communication.

(62), real training student is arranged and operation PLC, the speed governing of person-computer union digital quantity.

(63), real training student is arranged and operation PLC, the speed governing of person-computer union analog quantity.

(64), puffer driver operation training.

(65), hoister breakdown judge example.

Coal mine lifting replicating machine of the present invention enhances the specific aim of training, and at present, each ore deposit, when carrying out Programmable Logic Controller training, is main mainly with theory explaination, and electrical repair technician is familiar with intuitively for shortages such as PLC physical cabling programmings.Adopt Programmable Logic Controller practice teaching platform to carry out programming, patching operations, enhance the specific aim of training.Improve the efficiency of system maintenance.When hoister control system partial parameters needs adjustment, producer technician is often needed to operate to scene.Adopt Programmable Logic Controller practice teaching platform emulation real scene environment, maintenance electrician can be operated by simulated field, and real time inspection adjustment result, improves maintenance work efficiency.Shorten fault handling time.By the training to mining area electrical repair technician, improve their service technique level, improve electromechanical equipment management level, improve preventative maintenance quality, process can be investigated rapidly when electromechanical equipment breaks down, reduce the time that impact is produced.Economic results in society are remarkable.This system improves field maintenance person's technical merit and skill level, be thus greatly conducive to ensureing the safe handling of mine electromechanical equipment, and then promote safety in production, reduce costs, cut the waste, improve equipment operation life.

Hoister simulation and training device of the present invention adopts variable-frequency control technique, experiment electric motor, angle sheave, hoisting cable, hoisting conveyance, steady tank arrangement and pilot lamp etc. are installed, match with the hoister operator's console of onsite application, emulation hoister various operating condition, can meet the requirement of hoister operating personnel, maintenance electrician and managerial personnel's real training.

Technological means disclosed in the present invention program is not limited only to the technological means disclosed in above-mentioned technological means, also comprises the technical scheme be made up of above technical characteristic combination in any.The above is the specific embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.

Claims (2)

1. a coal mine lifting machine Simulated training device, it is characterized in that: comprise master station and simulation lifting gear, described master station comprises touch-screen, main control computer PLC, monitoring equipment PLC, current detection module, current limliting module, adjustable brake module, voice alarm module, relay board, instrument and pilot lamp, be connected by communication module between main control computer PLC with monitoring equipment PLC, main control computer PLC is connected with current detection module, current limliting module, adjustable brake module, voice alarm module, relay board, instrument and pilot lamp respectively;

Described simulation lifting gear comprises lift frame, drive part, guide rail, hoisting conveyance, control knob, switch and signal lamp; Wherein lift frame provides supporting for hoister, fixed guide, its middle guide is fixed on lift frame, ensure that hoisting conveyance does vertical movement, hoisting conveyance comprises cage, it is connected with described drive part by wire rope gearing system, and the position of the upper underdrive of cage is provided with magnetic control proximity switch, and described magnetic control proximity switch is connected with main control computer PLC by signalling channel;

Described drive part is arranged on the top of lift frame, drive part provides power for hoisting conveyance, it comprises motor, reductor, angle sheave and frequency converter, wherein frequency converter is connected with motor, control the rotating speed of motor, frequency converter is connected with main control computer PLC by the expansion module of main control computer PLC;

Motor is connected with reductor, and be connected with cage by wire rope gearing system, drive rising or the decline of cage, the output shaft of described motor is provided with high speed shaft scrambler, high speed shaft scrambler is connected with main control computer PLC, the output shaft of described reductor is provided with low speed encoder, and described low speed encoder is connected with monitoring equipment PLC.

2. a kind of coal mine lifting machine Simulated training device according to claim 1, is characterized in that: described main control computer PLC and described monitoring equipment PLC is mitsubishi FX2N series of PLC.