CN101780878A - Full-automatic winch take-up system - Google Patents
Full-automatic winch take-up system Download PDFInfo
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- CN101780878A CN101780878A CN 201010127614 CN201010127614A CN101780878A CN 101780878 A CN101780878 A CN 101780878A CN 201010127614 CN201010127614 CN 201010127614 CN 201010127614 A CN201010127614 A CN 201010127614A CN 101780878 A CN101780878 A CN 101780878A
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Abstract
The invention discloses a full-automatic winch take-up system, which comprises an electromagnetic braking take-up winch, an auxiliary tension device, a detection system and a take-up control system. The detection system comprises a tension sensor and a transmitter. The auxiliary tension device is connected with the tension sensor, and the detection system is connected with the take-up control system. A combination control switch of the winch of the take-up control system is connected with an electromagnetic brake of an electromagnetic brake motor of the electromagnetic braking take-up winch and a take-up motor, and the electromagnetic brake is connected with the axis of the take-up motor and a coupling. The full-automatic winch take-up system has the advantages of simple control link and faster response of the winch and the control system; and the tension device has the overall tension control and protection functions after the interruption of a power supply. The electromagnetic braking take-up winch and the take-up control system have faster, more stable and accurate tension control; the tension control and protection functions of the tensioning system after the interruption of the power supply is increased simultaneously; and a belt conveyor is designed to be more reasonable and economic.
Description
Technical field
The present invention relates to a kind of clamping system, especially relate to a kind of full-automatic winch take-up system.
Background technology
At present, domestic tensioning winch or the Automatic hydraulic tensioning device that is applied to sealing-tape machine, all can not give sealing-tape machine start, operation or provide when stopping omnidistance continuously, accurately and stable tension guarantee.Even fully automatic hydraulic tightening device, the notion of its " full automaticity tensioning control " can only realize within the specific limits, and have the big problem of fluctuation range under the tension force automatic compensation state, the complexity of the scattered property of integral layout and control system makes dismounting very inconvenient simultaneously.This type of tensioning winch or Automatic hydraulic tensioning device all belong to the equipment of " possessing single tension function ".So,, use also improper for scalable or long fixed distance formula sealing-tape machine.
External state-of-the-art clamping system (being used for APW, the HDW tightening device of domestic length at present) apart from the scalable sealing-tape machine of crossheading, though can provide continuously omnidistance and comparatively stable tension assurance, and possess automatically, manually and three kinds of mode of operations of winding and integral disassembly, assembly characteristics easily, it is the comparatively desirable supporting tightening device of the long scalable sealing-tape machine of distance, but it can't realize Tension Control after outage, and winch is in the stopping brake state always.
Manual tension device and continuity and the stability of S. A. tensioning control setup because of giving the sealing-tape machine Tension Control, the weight tensioning is then because the particularity of its installation is used for the sealing-tape machine restriction of having ready conditions, so there is not comparability in the auto-tensioning control setup that the present ubiquity of these three kinds of tensioning modes and sealing-tape machine is used.Here, only do the description of auto-tensioning.
Can tensioning and control system provide the ability of constant tension force and repercussion fast according to the adhesive tape operating condition is to solve one of gordian technique that belt conveying captain distance transports always, China lags behind abroad in the research aspect the control of sealing-tape machine auto-tensioning always, does not more have suitable auxiliary products and be used for scalable length apart from the tightening device that transports sealing-tape machine.
At present, domestic advanced person the most and ripe automatic takeup are the ZLY500J type automatic control fluid-pressure straining device of Xuzhou five sheep Science and Technology Ltd.s development and the AHD type conveyor belt running fully automatic hydraulic tightening device of development in science and technology main office of China Mining University development.This series products mainly is made up of winch, pumping plant, drawing cylinder, energy storage tank, winch master cock, pulling force sensor and hydraulic control system.This device full automaticity tensioning function is controlled drawstring dolly realization pulling force by hydraulic control system, oil cylinder and energy storage tank pressure self-balancing and is finished, and the pressure balanced variation range of hydraulic efficiency pressure system is bigger, and is also poor to the accuracy rate and the stability of conveyor belt tension control; Secondly, as the tensioning winch that drives, be with tensioning motor and turbine and worm retarder before sealing-tape machine starts, by the detection of setting value and pulling force sensor, dolly is carried out the pretension action, the automatic compensation of conveyor belt tension finally will be finished by oil cylinder.In view of this, the winch of this type of tightening device does not really participate in tension force automatic compensation and control, it only does the back work that enters the preceding predetermined tension of oil cylinder auto-tensioning, and the moving range of drawstring dolly is subjected to the restriction of oil cylinder stroke, can't realize the whole-process automatic Tension Control, so this type of tightening device at first is to satisfy the usage condition that the long distance of fixed type is transported (require the required stroke of tension adjustment big) sealing-tape machine; In addition, the plug-in parts of such tightening device many (energy storage tank, pumping plant and winch need partial installation), Tension Control link complexity and the single slack-free function of winch, cause dismounting inconvenience and mode of operation limited, can't be adapted to the tensioning use of supporting scalable sealing-tape machine behind the existing excavated technology especially.At present, also have in longer fixed distance formula sealing-tape machine and to use such tightening device, but must be to start repeatedly at the sealing-tape machine complete machine just to reach predetermined hydraulic automatic tensioner state more than twice, and it also be very high to the artificial pre-tensioning requirement of adhesive tape before use.
In the Shen Dong mining area, the clamping system that is used for the scalable sealing-tape machine of crossheading is all based on APW, the HDW tightening device of Australian Continental AG production, and transporting apart from the clamping system that can use of this sealing-tape machine 3000 meters (adding the middle part driving is 6000 meters) do not have corresponding supporting product at present at home really.To be that refreshing east is early stage introduce matching used auto-tensioning system in the scalable sealing-tape machine of " ACE " crossheading to the APW tightening device, also is that China introduces the most advanced in the world at that time " full automaticity tensioning control system " first.The APW tensioning winch is the automatic takeup that belongs to electricity-liquid one control, it is mainly by whole APW winch, pulling force sensor, PLC master cock and auxiliary hydraulic pressure control box are formed, (it comprises its APW winch: the tensioning motor by the APW control box, the one-level retarder, hydraulic clutch, pumping plant, main hydraulic control system) and winch (comprise: hydraulic brake, retarder, cylinder, rolling stand) two parts set is whole forms, the APW winch has comprised whole actuating system and main hydraulic pressure and control system, plug-in hydraulic pressure aux. controls case mainly comprises the small-sized energy storage tank of solenoid electric valve and hydraulic control system, and connection and installation are also very simple.
The APW tightening device is different fully with domestic hydraulic auto tensioner to the Tension Control of sealing-tape machine, control is to transfer realization by serving cylinder 21 positive and negative fully to pulling force of drawstring dolly for it, can realize omnidistance control to the pulling force of drawstring dolly, and hydraulic efficiency pressure system just cooperates the working condition of APW winch that its hydraulic clutch and drg are dynamically controlled, thereby realizes the function of just changeing tension, stopping brake and counter-rotating braking release of winch.The executive command of winch and hydraulic control system all comes from the PLC master cock, it carries out program according to the feedback signal of sealing-tape machine tension side pulling force sensor and declares, in the tension range value of setting, control winch accurately and the drawstring dolly is carried out pulling force control by electromagnetic valve and switch, the final realization continuously and comparatively stable tension control, simultaneously, this tightening device has been set " automatically ", " manually " and " winding " three kinds of master modes according to the handling characteristics of scalable sealing-tape machine.
The APW tightening device is long at home at present commonplace apart from using on the scalable sealing-tape machine, it also is the most advanced tensioning control system of the supporting use of domestic sealing-tape machine, but it is under the situation of sealing-tape machine power failure suddenly and sudden stop, because system no Tension Control ability and electrohydraulic control response lag after dead electricity, uprush tension force and can cause the serious damage of winch (retarder, drg, power-transfer clutch) and the problem of tense wire rope premature failure.
The HDW tightening device is Australian Continental AG upgrading products newly developed, its tensioning control principle and version are the same substantially with the APW tightening device, only on the winch take-up electric machine control, adopted frequency conversion control technique, though it has cancelled the APW control box, hydraulic power unit that drg is required and hydraulic efficiency pressure system still exist with plug-in form.Relative APW tightening device, it is more stable and quick when winch starts.
The HDW tightening device does not equally possess the Tension Control ability after system's dead electricity yet, the type selecting of winch (mainly being retarder, drg and tensioning motor) is amplified and the lifting of unit design intensity but the HDW tightening device has been done, thereby improved the impact resistance of tightening device itself and be unlikely to be damaged, this also is that the Shen Dong mining area is under the condition of same sealing-tape machine and identical operating mode, according to the major cause of manufacturer's recommended with HDW tightening device replacement APW tightening device.
In view of this, solve sealing-tape machine under startup, operation, sudden stop and sudden power state, realizing fully control and the balance of tensioning to conveyor belt tension, is a global problem, and it also is the key issue place that can sealing-tape machine become more reasonable and economic when design.
Open the tight trend of installing (system) and the development of sealing-tape machine design theory of control based on the state-of-the-art sealing-tape machine of home or overseas, in sum, tensioning control setup (system) exists following shortcoming and problem at present:
One, domestic auto-tensioning control setup (system): the oil cylinder auto-tensioning, tension force automatic guidance scope is little, can't realize whole process, continuous Tension Control.Hydraulic system pressure changes in balance scope is big, tension force automatic guidance inaccuracy, poor stability.Whole local at random, controlling unit is many, installs complicated.The tensioning pattern is simple, has only manually and automatic two kinds of master modes, can't realize automatic coiling of tape function.
Two, external auto-tensioning control setup (system): though can provide omnidistance, continuously and comparatively stable tension control, electricity-liquid dual controlling unit, the repercussion of winch Tension Control is slower.Owing to have hydraulic efficiency pressure system, make dismounting and maintenance comparatively complicated.The no Tension Control ability in outage back under sealing-tape machine disorderly closedown situation, can't realize the balance and the release of tension force, the regular damage that causes winch itself or sealing-tape machine system.
Summary of the invention:
The object of the present invention is to provide a kind of electromagnetic braking full-automatic winch take-up system that does not have fluid control.This full-automatic winch take-up system is according to the sealing-tape machine operating condition, can provide continuously, accurately and stable tension, and the drawstring dolly is realized the pulling force control of whole-process automatic, sealing-tape machine is started under very desirable tension state and moves.
Purpose of the present invention is implemented by following technical scheme: full-automatic winch take-up system includes electromagnetic braking tensioning winch, auxiliary take-up device, checking system and tensioning control system; Described checking system includes pulling force sensor and transmitter.Described auxiliary take-up device links to each other with described pulling force sensor, described checking system is connected with described tensioning control system, the combination control switch of the winch of described tensioning control system links to each other with the tensioning motor with the magnet stopper of the electromagnetic braking motor of described electromagnetic braking tensioning winch respectively, and described magnet stopper links to each other with drive coupling with the axle of described tensioning motor.
Described auxiliary take-up device is a steel rope, or described auxiliary take-up device is made up of steel rope and rope sheave.
Described electromagnetic braking tensioning winch includes electromagnetic braking motor and winch, and described electromagnetic braking motor comprises tensioning motor and magnet stopper, the coaxial afterbody that is installed in described tensioning motor of described magnet stopper; Described winch links to each other with described motor shaft by drive coupling; Described winch includes retarder, supporting seat, cylinder bearing, serving cylinder, and wherein said retarder is installed in above the supporting seat, and described retarder is connected with described serving cylinder, and described cylinder bearing is installed in the other end of described serving cylinder.It also includes transition terminal pad, drum shaft and bearing seat assembly, described drum shaft is fixed on the described serving cylinder by sleeve, the external part of described drum shaft directly is supported on the described cylinder bearing by described bearing seat assembly, the output shaft of described retarder and the connection of described serving cylinder input end.Described drum shaft is a semiaxis.Described retarder can be for outside the turbine and worm retarder, and other retarder can be used, and this patent is preferably planet wheel decelerator at present.Supporting seat is for driving supporting seat.The characteristics of this winch maximum are: driving supporting seat is the installation supporting seat of retarder, it also is the supporting seat of serving cylinder one end, it and cylinder bearing symmetry are put the integral installation base that forms a winch, but can directly split, this structure makes retarder and cylinder connection promptly save the space, also need not come transfer torque by coupler, serving cylinder itself is as the main body that steel rope twines and moment of torsion transmits in addition, and the transmission meeting of winch improves efficient greatly; Simultaneously, the planet wheel decelerator version of right angle transmission makes the layout of tensioning winch itself and become more reasonable is installed.The tension force of described adhesive tape forms an equilibrium activity power that equates with pull of steel wire, and the size of pull of steel wire is the size of decision conveyor belt tension directly.
Described tensioning control system includes described working mode change switch, the PLC autonomous cruise speed system, the combination control switch and the dc standby power of described winch, the detection signal of described checking system is transferred to the signal input part of described PLC autonomous cruise speed system, described working mode change switch links to each other with described PLC autonomous cruise speed system input end, the mouth of described PLC autonomous cruise speed system links to each other with the combination control switch of described winch, described combination control switch links to each other with described tensioning motor with the described magnet stopper of the described electromagnetic braking motor of described tensioning winch respectively, and described dc standby power links to each other with described PLC autonomous cruise speed system input end with described combination control switch respectively.
Described working mode change switch includes three kinds of mode conversion switch: manual tensioning mode conversion switch, auto-tensioning mode conversion switch and winding mode conversion switch; Three kinds of different working modes signals are transferred to the signal input part of described PLC autonomous cruise speed system respectively by described working mode change switch.
The master control module of described PLC autonomous cruise speed system receives the detection feedback signal from described checking system, the described pull of steel wire that more described pulling force sensor feedback signal is obtained and the size of specified value of thrust, described master control module is judged the start mode of described working mode change switch;
When described working mode change switch places the auto-tensioning pattern, the detected lineoutofservice signal pull of described master control module is during greater than specified value of thrust, the described magnet stopper of described master control module controls gets electric declutching, described serving cylinder freely rotates, described steel rope is loose, when the detected lineoutofservice signal pull of described master control module is in specified value of thrust, the described magnet stopper band-type brake of described master control module controls, described serving cylinder stops operating, the detected lineoutofservice signal pull of described master control module is during less than specified value of thrust, the described magnet stopper of described master control module controls gets electric declutching, and controls described electromagnetic braking motor starting;
When described working mode change switch places the winding pattern, the detected lineoutofservice signal pull of described master control module is during greater than specified winding antagonistic force value, the described magnet stopper of described master control module controls gets electric declutching, and described serving cylinder freely rotates, and described steel rope is loose;
When described working mode change switch places manual tensioning mode conversion switch pattern, manually the described magnet stopper of the described master control module controls of control gets electric declutching, the tensioning motor is just changeing startup, described serving cylinder just changes, steel rope twines, manually control the described magnet stopper dead electricity of described master control module controls band-type brake, the tensioning motor stops; Manually the described magnet stopper of the control described master control module controls of crawl push button control gets electric declutching, and the counter-rotating of tensioning motor starts, described serving cylinder counter-rotating, and steel rope is loose, and not according to the described magnet stopper dead electricity of inching button band-type brake, the tensioning motor stops.
Its whole control sequence is: give definite mode of operation signal of PLC autonomous cruise speed system by manual tensioning mode conversion switch, after the PLC autonomous cruise speed system detects the feedback of lineoutofservice signal pull signal according to the pulling force sensor of checking system, at three kinds of different mode of operations (manually, automatically, winding) under the state, make the program judgement respectively and send control signal, the combination control switch is under signal instruction, magnet stopper and tensioning motor to electromagnetic braking motor are controlled respectively, make electromagnetic braking motor according to need of work, cooperate winch to carry out rotating and start operation, stop and the opening of drg, closed action; Dc standby power belongs to after the tensioning control system outage one from keeping system, it can change and give PLC autonomous cruise speed system, pulling force sensor, DC control system and magnet stopper that working power is provided under the state of control system dead electricity automatically, make the tensioning control system under the state of unexpected dead electricity, the tension force that still can carry out system detects, judges and magnet stopper is realized control, makes the tension force of uprushing of clamping system be released and control.
This tensioning control system is not only different fully with existing HDW tensioning on principle, and its biggest advantage is that it has increased the Tension Control protection behind the system cut-off; Simultaneously, The whole control system does not have hydraulic pressure, single automatically controlled design, the system controlling unit of allowing is more simple and quick, cooperate electromagnetic braking motor, make winch obtain capability of reaction faster when declutching in stopping brake, startup, more existing HDW tightening device, this winch Tension Control naturally can be quick more, stable and accurate.
The full automaticity clamping system is a kind of electromagnetic braking tensioning system that does not have fluid control.This clamping system is according to the sealing-tape machine operating condition, can provide continuously, accurately and stable tension, and the drawstring dolly is realized the pulling force control of whole-process automatic, sealing-tape machine is started under very desirable tension state and moves; Possess automatically, manually and three kinds of mode of operations of winding, and make things convenient for switching, for auto-tensioning, maintenance and the realization automatic coiling of tape of sealing-tape machine provides best solution according to the sealing-tape machine mode of operation; Increase the tension force protection after clamping system cuts off the power supply, make sealing-tape machine under the state of whole dead electricity, tightening device relies on and self keeps system, guarantees sudden change release of tension force and keeping of running tension; The tensioning control of modular design concept and no hydraulic efficiency pressure system, make that the tightening device integral structure becomes more succinct and be easy to dismounting, Tension Control more fast, accurate and stablize.Full automaticity clamping system of the present invention is a scalable or long fixed distance formula sealing-tape machine optimal supporting tightening device at present.
Controlling unit of the present invention is simple, and winch and control system possess capability of reaction faster; The most important thing is that this tightening device possesses the omnidistance control of the tension force defencive function after the outage.Electromagnetic braking tensioning winch, the control of tensioning control system possess more quick, stable and accurate Tension Control than existing tightening device; This full-automatic winch take-up system has increased Tension Control after the clamping system outage in defencive function simultaneously; This full-automatic winch take-up system can make sealing-tape machine when design become more reasonable and economical.
Description of drawings
Fig. 1 is an integral structure scheme drawing of the present invention.
Fig. 2 is the tensioning principle and the arrangement plan of tensioning winch of the present invention.
Fig. 3 is the front view of electromagnetic braking tensioning winch of the present invention.
Fig. 4 is the lateral plan of electromagnetic braking tensioning winch of the present invention.
Fig. 5 is the structural representation of tensioning control system of the present invention.
Fig. 6 is the diagram of circuit of PLC autonomous cruise speed system of the present invention.
Full-automatic winch take-up system 1, fixedly counter-drum 2, drawstring dolly 3, storage cassette holder 4, electromagnetic braking tensioning winch 5, auxiliary take-up device 6, checking system 7, tensioning control system 8, pulling force sensor 9, combination control switch 10, electromagnetic braking motor 11, magnet stopper 12, tensioning motor 13, drive coupling 14, steel rope 15, rope sheave 16, master control module 17, retarder 18, supporting seat 19, cylinder bearing 20, serving cylinder 21, transition terminal pad 22, drum shaft 23, bearing seat 24, working mode change switch 25, PLC autonomous cruise speed system 26, the combination control switch 27 of winch, dc standby power 28, manually tensioning mode conversion switch 29, auto-tensioning mode conversion switch 30, winding mode conversion switch 31.
The specific embodiment:
Embodiment 1: as shown in Figure 2, full-automatic winch take-up system of the present invention 1 and fixedly counter-drum 2, drawstring dolly 3 and storage cassette holder 4 installed form a system, wherein full-automatic winch take-up system 1 includes electromagnetic braking tensioning winch 5, auxiliary take-up device 6, checking system 7 and tensioning control system 8; Fixedly counter-drum 2 is fixedly mounted on the canned paragraph of storage cassette holder 4, electromagnetic braking tensioning winch 5 is fixedly mounted on the tension section of storage cassette holder 4, drawstring dolly 3 places on the operation guide rail of storage cassette holder 4, link to each other with tight pulley on the electromagnetic braking tensioning winch 5 by auxiliary take-up device 6 and fixing counter-drum 2 respectively, and drawstring dolly 3 stores up cassette holder 4 by-levels two terminations and moves; Checking system 7 includes pulling force sensor 9 and transmitter.Auxiliary take-up device 6 links to each other with pulling force sensor 9, checking system 7 is connected with the PLC autonomous cruise speed system 26 of tensioning control system 8, the combination control switch 10 of the winch of tensioning control system 8 links to each other with tensioning motor 13 with the magnet stopper 12 of the electromagnetic braking motor 11 of electromagnetic braking tensioning winch 5 respectively, and magnet stopper 12 links to each other with drive coupling 14 with the axle of tensioning motor 13.Auxiliary take-up device 6 is made up of steel rope 15 and rope sheave 16.Auxiliary take-up device 6 also can be steel rope.
Full-automatic winch take-up system principle of work explanation of the present invention: detect the signal of feedback and the order of master cock according to pulling force sensor, when taut wire rope tension (tension force of adhesive tape just) during less than setting value, electromagnetic braking motor (winch take-up motor and magnet stopper) starts and just changes, serving cylinder clickwise also twines tense wire rope, the drawstring dolly is under the application force of steel rope, move to the adhesive tape tension direction, make the adhesive tape that is wrapped on the fixedly counter-drum and drawstring dolly cylinder be in tension, thereby realize the tensioning process of adhesive tape; When lineoutofservice signal pull during greater than setting value, magnet stopper is directly opened, and pull of steel wire discharges naturally, and the balance of pulling force makes the drawstring dolly to the operation of pine band direction, realizes that conveyor belt tension loosens; When lineoutofservice signal pull is in setting value, the magnet stopper braking, the drawstring dolly is in halted state, and it is constant that conveyor belt tension keeps.
Winch is under manual tensioning mode of operation, pull of steel wire is the restriction that is not subjected to the pulling force setting value, and the tension of steel rope realizes with loosening all will start by the rotating of electromagnetic braking motor; And under the winding mode of operation, the same with pine band, be that the action by magnet stopper realizes what conveyor belt tension was controlled fully, the winch take-up motor is not worked.
This shows, except manual work pattern, no matter tensioning winch is under the auto-tensioning state or under the winding state, the winch take-up motor does not participate in work, the release of conveyor belt tension all is to rely on magnet stopper directly actuated, can improve the capability of reaction of winch Tension Control so greatly.
Electromagnetic braking tensioning winch 5 includes electromagnetic braking motor 11 and winch 17, and electromagnetic braking motor 11 comprises tensioning motor 13 and magnet stopper 12, the magnet stopper 12 coaxial afterbodys that are installed in tensioning motor 13; Winch 17 links to each other with motor shaft by drive coupling 14; Winch 17 includes retarder 18, supporting seat 19, cylinder bearing 20, serving cylinder 21, transition terminal pad 22, drum shaft 23 and bearing seat 24 assemblies, wherein retarder 18 is installed in above the supporting seat 19, retarder 18 is connected with serving cylinder 21, and cylinder bearing 20 is installed in the other end of serving cylinder 21.Drum shaft 23 is fixed on the serving cylinder 21 by sleeve, and the external part of drum shaft 23 directly is supported on the cylinder bearing 20 by bearing seat assembly 24, the output shaft of retarder 18 and the 21 input end connections of serving cylinder.Drum shaft 23 is a semiaxis.Retarder can be for outside the turbine and worm retarder, and other retarder can be used, and is preferably planet wheel decelerator.Supporting seat 19 is for driving supporting seat.The characteristics of this winch maximum are: driving supporting seat 19 is the installation supporting seat of retarder 18, it also is the supporting seat of serving cylinder 21 1 ends, it and cylinder bearing 20 are symmetrically formed the integral installation base of a winch, but can directly split, this structure makes retarder and cylinder connection promptly save the space, also need not come transfer torque by coupler, serving cylinder 21 is own as the main body that steel rope 15 twines and moment of torsion transmits in addition, and the transmission meeting of winch 5 improves efficient greatly; Simultaneously, the planet wheel decelerator version of right angle transmission, the layout that makes tensioning winch 5 itself with become more reasonable is installed.The tension force of adhesive tape forms an equilibrium activity power that equates with pull of steel wire, and the size of pull of steel wire is the size of decision conveyor belt tension directly.
The operating principle of electromagnetic braking tensioning winch: when 5 tensionings of needs tensioning winch, the tensioning electric motor starting, magnet stopper 12 is opened (declutching) simultaneously, tensioning motor 13 is directly delivered to serving cylinder 21 by coupler 14, planet wheel decelerator 18 and transition terminal pad 22 with moment of torsion, serving cylinder 21 clickwises, the steel rope on serving cylinder 21 surfaces twines tension; When needs tension force loosened, magnet stopper 12 was directly opened, and at this moment, serving cylinder 21, retarder 18 and tensioning motor 13 are in free state, serving cylinder 21 under the application force of steel rope 15, left-hand revolution, steel rope 15 pulling force discharge; Under manual work pattern, tensioning motor 13 all wants rotating to start operation, and magnet stopper 12 also will be opened synchronously, when tensioning motor 13 quits work, and magnet stopper 12 closed brakings.
The action of electromagnetic braking tensioning winch 5 is by the feedback information of pulling force sensor 9 and switch judgement and controls and realize.
The tensioning motor of electromagnetic braking tensioning winch and whole winch direct mount are on the base of storage cassette holder canned paragraph, tensioning winch forms a whole, the maximum difference of this tensioning winch and HDW tightening device is: the brake equipment of HDW tensioning winch is installed in above the retarder, and employing hydraulic brake system, and the control of braking of this winch is realized by the tensioning motor, and the serving cylinder is the direct subject that moment of torsion transmits; They possess that same compact conformation, globality are strong, outside the characteristic that is easy to install and adjust, but the tensioning winch of the moving control of aneroid compacting is more simpler and quick than HDW tensioning winch aspect dismounting.
Working mode change switch 25 includes three kinds of mode conversion switch: manual tensioning mode conversion switch 29, auto-tensioning mode conversion switch 30 and winding mode conversion switch 31; Three kinds of different working modes signals are transferred to the signal input part of PLC autonomous cruise speed system 26 by working mode change switch 25.
The control of 8 pairs of electromagnetic braking motor 11 of tensioning control system is different with traditional control principle, and its magnet stopper 12 and tensioning motor 13 are to take the mode controlled respectively.Principle of work by tensioning and tensioning winch is learnt, except that manual tensioning, winch 5 is under other mode of operations, the tension force of adhesive tape discharges and all relies on magnet stopper 12 directly to open to realize (need not the operation of tensioning electric motor starting), and this kind mode can farthest satisfy the requirement of tension force rapid release, thereby makes the capability of reaction of the Tension Control of tensioning winch 5 reach the fastest.
Give 26 1 definite mode of operation signals of PLC autonomous cruise speed system by manual tensioning mode conversion switch 29, detect the feedback of steel rope 15 pulling force signals according to pulling force sensor 9 after, at three kinds of different mode of operations (manually, automatically, winding) under the state, make the program judgement respectively and send control signal, combination control switch 27 is under signal instruction, magnet stopper 12 and tensioning motor 13 to electromagnetic braking motor 11 are controlled respectively, make electromagnetic braking motor 11 according to need of work, cooperate winch to carry out rotating and start operation, stop and the opening of drg, closed action; Dc standby power 28 belongs to after tensioning control system 8 outage one from keeping system, it can be changed automatically under the state of control system dead electricity and give, pulling force sensor, autonomous cruise speed system and magnet stopper provide working power, make the tensioning control system under the state of unexpected dead electricity, the tension force that still can carry out system detects, judges and magnet stopper is realized control, makes the tension force of uprushing of clamping system be released and control.
The master control module 17 of PLC autonomous cruise speed system 26 receives the detection feedback signal of self-check system 7, the pulling force of the steel rope 15 that comparison pulling force sensor 9 feedback signals are obtained and the size of specified value of thrust;
When working mode change switch 25 places the auto-tensioning pattern, master control module 17 detected steel rope 15 pulling force are during greater than specified value of thrust, master control module 17 control magnet stoppers 12 get electric declutching, serving cylinder 21 freely rotates, steel rope 15 is loose, when master control module 17 detected steel rope 15 pulling force are in specified value of thrust, master control module 17 control magnet stoppers 12 band-type brakes, serving cylinder 21 stops operating, master control module 17 detected steel rope 15 pulling force are during less than specified value of thrust, master control module 17 control magnet stoppers 12 get electric declutching, 11 startings of control electromagnetic braking motor;
When working mode change switch 25 places the winding pattern, master control module 17 detected steel rope 15 pulling force are during greater than specified winding antagonistic force value, master control module 17 control magnet stoppers 12 get electric declutching, and serving cylinder 21 freely rotates, and steel rope 15 is loose;
When working mode change switch 25 places manual tensioning mode conversion switch 29 patterns, manually control master control module 17 control magnet stoppers 12 get electric declutching, tensioning motor 13 is just changeing startup, serving cylinder 21 is just changeing, steel rope 15 twines, manually control master control module 17 is controlled magnet stoppers 12 dead electricity band-type brakes, and tensioning motor 13 stops; Manually control crawl push button control master control module 17 control magnet stoppers 12 get electric declutching, and 13 counter-rotatings of tensioning motor start, 21 counter-rotatings of serving cylinder, and steel rope 15 is loose, and not according to inching button magnet stopper 12 dead electricity band-type brakes, tensioning motor 13 stops.
Its whole control sequence is: give 26 1 definite mode of operation signals of PLC autonomous cruise speed system by manual tensioning mode conversion switch 29, after PLC autonomous cruise speed system 26 detects the feedback of steel rope 15 pulling force signals according to the pulling force sensor 9 of checking system 7, at three kinds of different mode of operations (manually, automatically, winding) under the state, make the program judgement respectively and send control signal, combination control switch 27 is under PLC autonomous cruise speed system 26 signal instructions, magnet stopper 12 and tensioning motor 13 to electromagnetic braking motor 11 are controlled respectively, make electromagnetic braking motor 11 according to need of work, cooperate electromagnetic braking tensioning winch 5 to carry out rotating and start operation, stop and the opening of magnet stopper 12, closed action; Dc standby power belongs to after the tensioning control system outage one from keeping system, it can change and give PLC autonomous cruise speed system 26, pulling force sensor 9, autonomous cruise speed system 26 and magnet stopper 12 that working power is provided under the state of tensioning control system 8 dead electricity automatically, make tensioning control system 8 under the state of unexpected dead electricity, the tension force that still can carry out system detects, judges and magnet stopper 12 is realized control, makes the tension force of uprushing of tensioning control system 8 be released and control.
This tensioning control system 8 is not only different fully with existing HDW tensioning on principle, and its maximum characteristics are that it has increased the Tension Control protection behind the system cut-off; Simultaneously, whole tensioning control system 8 no hydraulic pressure, single automatically controlled design, the system controlling unit of allowing is more simple and quick, cooperate electromagnetic braking motor 11, make winch 5 obtain capability of reaction faster when declutching in stopping brake, startup, more existing HDW tightening device, these winch 5 Tension Control naturally can be quick more, stable and accurate.
Full-automatic winch take-up system 1 is a kind of electromagnetic braking tensioning system that does not have fluid control.This clamping system is according to the sealing-tape machine operating condition, can provide continuously, accurately and stable tension, and the drawstring dolly is realized the pulling force control of whole-process automatic, sealing-tape machine is started under very desirable tension state and moves; Possess automatically, manually and three kinds of mode of operations of winding, and make things convenient for switching, for auto-tensioning, maintenance and the realization automatic coiling of tape of sealing-tape machine provides best solution according to the sealing-tape machine mode of operation; Increase the tension force protection after clamping system cuts off the power supply, make sealing-tape machine under the state of whole dead electricity, tightening device relies on and self keeps system, guarantees sudden change release of tension force and keeping of running tension; The tensioning control of modular design concept and no hydraulic efficiency pressure system, make that the tightening device integral structure becomes more succinct and be easy to dismounting, Tension Control more fast, accurate and stablize.Full automaticity clamping system of the present invention is a scalable or long fixed distance formula sealing-tape machine optimal supporting tightening device at present.
Below by specific embodiment technical scheme of the present invention is described further:
Full-automatic winch take-up system 1 tensioning control principle of the present invention is characteristics and the control principle block diagram according to tensioning winch, and it has adopted the principle of soft of pressure regulation in the control of tensioning motor, makes tensioning winch possess quick, stable properties equally when starting.
Tensioning Control work mode and operating principle explanation:
1.1 mode of operation: the control setup mode of operation is carried out centralized control by PLC autonomous cruise speed system 26, and realizes three kinds of mode of operations.
(1) manual mode: control is according to actual needs operated, thus the just commentaries on classics of realization tensioning motor/stop, reversing/stop to reset with fault.
(2) automated manner: automated manner is mainly realized the start-stop work of tensioning motor by pulling force sensor 9 detected tension values.X is the rated tension value that tension pick-up detects, and wherein 18kN＜X＜20kN is the rated tension value that tension pick-up detects, and X≤18kN tensioning motor is just being transported row, the tensioning adhesive tape; 18kN＜X＜20kN tensioning motor shuts down, and tension force is suitable; 20kN≤X unclamps electromagnetic braking, loosens adhesive tape.
(3) winding mode: realize the control of magnet stopper 12 by the detected tension value of pulling force sensor.X＞0.5kN unclamps electromagnetic braking, loosens adhesive tape.
1.2 principle of work
At first main supply switch is opened, general supply is dc standby power 28 beginning charging, and provide power supply for the DC control module of PLC autonomous cruise speed system 26, pulling force sensor 9, magnet stopper 12, while tension pick-up 9 is converted to current signal to detected tension value and is sent on the PLC autonomous cruise speed system 26, makes the tensioning control system enter mode of operation.
(1) working mode change switch 25 is got to automatic position
When PLC autonomous cruise speed system 26 when to receive tension value that pulling force sensor 9 detects be rated tension value 18kN＜X＜20kN, illustrate that this moment, tension force was of moderate size, clamping system is failure to actuate, magnet stopper 12 is in the band-type brake state, and give PLC autonomous cruise speed system 26 1 tension force appropriate signals, thereby can start PLC autonomous cruise speed system 26.
When PLC autonomous cruise speed system 26 when to receive tension value that pulling force sensor 9 detects be X＜18kN, tension force is less than specified value, magnet stopper 12 gets electric declutching, full-automatic winch take-up system 1 soft start, up to PLC autonomous cruise speed system 26 when to receive pulling force sensor 9 detected rated tension values be 18kN＜X＜20kN, magnet stopper 12 dead electricity band-type brakes.
When PLC autonomous cruise speed system 26 when to receive pulling force sensor 9 detected tension values be X＞20kN, magnet stopper 12 electric declutching; When to receive tension pick-up 9 detected tension values be 18kN＜X＜20kN, magnet stopper 12 discharged band-type brakes up to PLC autonomous cruise speed system 26.
(2) working mode change switch 25 is got to manual position
1) just changes: press manual tensioning mode conversion switch 29, cranking signal is sent to PLC autonomous cruise speed system 26, magnet stopper 12 electric declutching, PLC autonomous cruise speed system 26 is passed to controller to cranking signal simultaneously, the operation of tensioning motor total head realizes the tensioning of adhesive tape; Press manual tensioning mode conversion switch 29 stop buttons, realize soft stop.After soft stop finished, the tensioning motor was out of service, and magnet stopper 12 discharges band-type brake simultaneously;
2) counter-rotating: press the invert button (crawl) on the first guide plate, elder generation's guide plate sends to PLC autonomous cruise speed system 26 to the counter-rotating cranking signal, relay gets electric, its open contact closure, and magnet stopper 12 gets electric declutching, PLC autonomous cruise speed system 26 is passed to controller to the counter-rotating cranking signal more simultaneously, carry out Soft Start-up Process, after soft start is finished, the adhesive of bypass AC vacuum contactor, the operation of electromagnetic braking motor 11 total heads realizes loosening of adhesive tape; Unclamp the invert button on the first guide plate, the bypass AC vacuum contactor discharges, and realizes soft stop.After soft stop finishes, 26 disjunctions of PLC autonomous cruise speed system, tensioning motor 13 is out of service; Relay power down simultaneously, its open contact is opened, and magnet stopper 12 discharges band-type brake.
(3) change-over swith is got to the winding position
PLC autonomous cruise speed system 26 receives pulling force sensor 9 detected tension values when being X＞0.5kN, the relay normally open contact adhesive, magnet stopper 12 electric declutching; When X≤0.5kN, relay normally open contact is opened, magnet stopper 12 brakings, this working position cooperates automatic coiling of tape also to provide a constant tension force winding to finish, change-over swith is got to manually or automatically the position carry out work.
(4) extraordinary circumstances
1) when full-automatic winch take-up system 1 has a power failure suddenly, the dc standby power uninterrupted power supply (UPS) continues the DC control module for power supply to PLC autonomous cruise speed system 26, tension pick-up 8 and magnet stopper 12, this moment, 26 continuation of PLC autonomous cruise speed system detected pine, the band-type brake that tension values are controlled magnet stopper 12 according to pulling force sensor 9, with the tension force that prevents to uprush full-automatic winch take-up system 1 is impacted, winch tension force is remained in the normal tension scope.
As X＞20kN, electromagnetic braking is unclamped in the relay normally open contact adhesive, and conveyor belt tension discharges;
As X≤18kN, relay normally open contact is opened, the braking of magnet stopper 12 dead electricity, and conveyor belt tension stops to discharge;
Behind the outage time-delay 1min of slug relay (adjustable), its open contact disconnects, thereby disconnects the power supply of UPS, with the protection dc standby power.
(5) set about full-automatic winch take-up system 1 parameter and PLC autonomous cruise speed system 26 centralized control schemes illustrate that this tensioning control setup determines according to 2500 meters scalable sealing-tape machine design calculation tension force of novel DSJ100/100 type, the determining of tension parameters is explained and illustrated for better principle, the action to the tensioning control system, when being used for other model sealing-tape machines, can resetting parameter according to the actual computation situation and get final product.
The PLC autonomous cruise speed system mainly is that the working position according to the tension signal of pulling force sensor feedback and change-over swith carries out sending control command signal after program is judged.
The tensioning motor adopts variable-frequency motor, and the control of pressure regulation soft start becomes frequency conversion soft start, under the situation that does not change other tensioning control principles and scheme, just can realize this kind tensioning control technology and principle fully, just the Starting mode difference of tensioning motor.At present, the controlling schemes of variable frequency starting is prepared to use in the bigger scalable sealing-tape machine of driving power, and design plan is finished.
Claims (10)
1. full-automatic winch take-up system is characterized in that, it includes electromagnetic braking tensioning winch, auxiliary take-up device, checking system and tensioning control system; Described checking system includes pulling force sensor and transmitter; Described auxiliary take-up device links to each other with described pulling force sensor, described checking system is connected with described tensioning control system, the combination control switch of the winch of described tensioning control system links to each other with the tensioning motor with the magnet stopper of the electromagnetic braking motor of described electromagnetic braking tensioning winch respectively, and described magnet stopper links to each other with drive coupling with the axle of described tensioning motor.
2. a kind of full-automatic winch take-up system according to claim 1 is characterized in that, described auxiliary take-up device is a steel rope, or described auxiliary take-up device is made up of steel rope and rope sheave.
3. a kind of full-automatic winch take-up system according to claim 1, it is characterized in that, described electromagnetic braking tensioning winch includes electromagnetic braking motor and winch, described electromagnetic braking motor comprises tensioning motor and magnet stopper, the coaxial afterbody that is installed in described tensioning motor of described magnet stopper; Described winch links to each other with described motor shaft by drive coupling; Described winch includes retarder, supporting seat, cylinder bearing, serving cylinder, and wherein said retarder is installed in above the supporting seat, and described retarder is connected with described serving cylinder, and described cylinder bearing is installed in the other end of described serving cylinder.
4. a kind of full-automatic winch take-up system according to claim 3 is characterized in that, described retarder is a planet wheel decelerator.
5. a kind of full-automatic winch take-up system according to claim 3 is characterized in that, supporting seat is for driving supporting seat.
6. a kind of full-automatic winch take-up system according to claim 3, it is characterized in that, it also includes transition terminal pad, drum shaft and bearing seat assembly, described drum shaft is fixed on the described serving cylinder by sleeve, the external part of described drum shaft directly is supported on the described cylinder bearing by described bearing seat assembly, the output shaft of described retarder and the connection of described serving cylinder input end.
7. a kind of full-automatic winch take-up system according to claim 3 is characterized in that, described drum shaft is a semiaxis.
8. a kind of full-automatic winch take-up system according to claim 1, it is characterized in that, described tensioning control system includes described working mode change switch, the PLC autonomous cruise speed system, the combination control switch and the dc standby power of described winch, the detection signal of described checking system is transferred to the signal input part of described PLC autonomous cruise speed system, described working mode change switch links to each other with described PLC autonomous cruise speed system input end, the mouth of described PLC autonomous cruise speed system links to each other with the combination control switch of described winch, described combination control switch links to each other with described tensioning motor with the described magnet stopper of the described electromagnetic braking motor of described tensioning winch respectively, and described dc standby power links to each other with described PLC autonomous cruise speed system input end with described combination control switch respectively.
9. a kind of full-automatic winch take-up system according to claim 8, it is characterized in that described working mode change switch includes three kinds of mode conversion switch: manual tensioning mode conversion switch, auto-tensioning mode conversion switch and winding mode conversion switch; Three kinds of different working modes signals are transferred to the signal input part of described PLC autonomous cruise speed system respectively by described working mode change switch.
10. a kind of full-automatic winch take-up system according to claim 8, it is characterized in that, the master control module of described PLC autonomous cruise speed system receives the detection feedback signal from described checking system, the described pull of steel wire that more described pulling force sensor feedback signal is obtained and the size of specified value of thrust, described master control module is judged the start mode of described working mode change switch;
When described working mode change switch places the auto-tensioning pattern, the detected lineoutofservice signal pull of described master control module is during greater than specified value of thrust, the described magnet stopper of described master control module controls gets electric declutching, described serving cylinder freely rotates, described steel rope is loose, when the detected lineoutofservice signal pull of described master control module is in specified value of thrust, the described magnet stopper band-type brake of described master control module controls, described serving cylinder stops operating, the detected lineoutofservice signal pull of described master control module is during less than specified value of thrust, the described magnet stopper of described master control module controls gets electric declutching, and controls described electromagnetic braking motor starting;
When described working mode change switch places the winding pattern, the detected lineoutofservice signal pull of described master control module is during greater than specified winding antagonistic force value, the described magnet stopper of described master control module controls gets electric declutching, and described serving cylinder freely rotates, and described steel rope is loose;
When described working mode change switch places manual tensioning mode conversion switch pattern, manually the described magnet stopper of the described master control module controls of control gets electric declutching, the tensioning motor is just changeing startup, described serving cylinder just changes, steel rope twines, manually control the described magnet stopper dead electricity of described master control module controls band-type brake, the tensioning motor stops; Manually the described magnet stopper of the control described master control module controls of crawl push button control gets electric declutching, and the counter-rotating of tensioning motor starts, described serving cylinder counter-rotating, and steel rope is loose, and not according to the described magnet stopper dead electricity of inching button band-type brake, the tensioning motor stops.
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| CN101973457A (en) * | 2010-09-20 | 2011-02-16 | 沈阳矿山机械有限公司 | Four-station telescopic head for belt conveyor |
| CN102280859A (en) * | 2011-08-11 | 2011-12-14 | 山西惠特科技有限公司 | Soft start tensioning device with power-off time delay function |
| CN102354143A (en) * | 2011-08-11 | 2012-02-15 | 山西惠特科技有限公司 | Time delay control method used in case of power interruption of tensioning system by using PLC (programmable logic controller) |
| CN103482308A (en) * | 2013-03-06 | 2014-01-01 | 北京百正创源科技有限公司 | Permanent magnet synchronous tensioning gear of belt conveyor |
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| CN101941590A (en) * | 2010-09-20 | 2011-01-12 | 沈阳矿山机械有限公司 | Extensible mechanism of belt conveyor |
| CN101973457A (en) * | 2010-09-20 | 2011-02-16 | 沈阳矿山机械有限公司 | Four-station telescopic head for belt conveyor |
| CN102280859A (en) * | 2011-08-11 | 2011-12-14 | 山西惠特科技有限公司 | Soft start tensioning device with power-off time delay function |
| CN102354143A (en) * | 2011-08-11 | 2012-02-15 | 山西惠特科技有限公司 | Time delay control method used in case of power interruption of tensioning system by using PLC (programmable logic controller) |
| CN103482308A (en) * | 2013-03-06 | 2014-01-01 | 北京百正创源科技有限公司 | Permanent magnet synchronous tensioning gear of belt conveyor |
| CN103727101B (en) * | 2014-01-17 | 2016-05-18 | 安徽理工大学 | Mine flame-proof electrodeless rope winch hydraulic power unit electric control gear |
| CN103727101A (en) * | 2014-01-17 | 2014-04-16 | 安徽理工大学 | Electronic control device for hydraulic pump station of mining flame-proof type endless rope winch |
| CN106429838A (en) * | 2016-12-07 | 2017-02-22 | 徐州重型机械有限公司 | Wire rope tension device and method and engineering machine |
| WO2018103001A1 (en) * | 2016-12-07 | 2018-06-14 | 徐州重型机械有限公司 | Steel wire rope tensioning device, tensioning method, and engineering machinery |
| CN111547637A (en) * | 2019-02-08 | 2020-08-18 | 珠海达理宇航科技有限公司 | Cable transfer system and light force outward moving process |
| CN109703989A (en) * | 2019-03-13 | 2019-05-03 | 中铁工程装备集团有限公司 | A kind of reliable continuous conveyor system auto-tensioning control system and its control method |
| CN111348382A (en) * | 2020-03-30 | 2020-06-30 | 安徽恒明工程技术有限公司 | Tension control system of belt conveyor |
| CN114394394A (en) * | 2022-02-25 | 2022-04-26 | 国能神东煤炭集团有限责任公司 | Control system and control method for adhesive tape machine |
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