CN203682922U - Intelligent crane control device - Google Patents
Intelligent crane control device Download PDFInfo
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- CN203682922U CN203682922U CN201420042169.9U CN201420042169U CN203682922U CN 203682922 U CN203682922 U CN 203682922U CN 201420042169 U CN201420042169 U CN 201420042169U CN 203682922 U CN203682922 U CN 203682922U
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Abstract
The utility model discloses an intelligent crane control device. The intelligent crane control device comprises a PLC (programmable logic controller) host controller, an HMI (human machine interface) system monitor, a wireless remote controller, a switching quantity input device, an analogue quantity output device, a data acquisition PLC, a driving cab console, a remote switching quantity input device, and a frequency converter controller. On the basis of a modern mechanical-electrical integration intelligent control technology, the device integrates a computer technology, a microelectronic technology, a power electronic technology, a network technology, a hydraulic technology, a fuzzy control technology and the like, realizes the automation and the intelligence of the driving and the control of a new-generation crane, and has the characteristics of high reliability and high safety.
Description
Technical field
The utility model relates to crane control mechanism, particularly a kind of intelligent crane controller.
Background technology
Since China's reform and opening-up, national economy obtains fast speed and increases, and " scientific and technical innovation, autonomous innovation " become the main flow of current domestic industry development.Since own human civilization, material handling just became the important component part of mankind's activity, apart from the developing history of modern existing more than 5,000 year.Along with production-scale expansion, the raising of degree of automation, apply in modern production process as the hoisting crane of material handling visual plant more and more wider, act on more and more large, also more and more higher to the requirement of hoisting crane.The mode of hoisting crane is mainly that relay logic control and PLC control this two kinds of modes at present.The feature of relay control mode is that cost is low, and control loop complexity, fault rate is high, maintenance is frequent.The hoisting crane later period maintenance task of applying this mode is heavy, and impact is normally produced.PLC adopts the control of computer controlled pattern effective, highly sensitive, and failure rate is low, for the control system of medium-and-large-sized elevator machinery, meets the demand in market.Hoisting crane need carry out a large amount of charge and discharge operations every day, and crane in bridge type switches very frequent, under the larger state of current ratio, easily burns out contact.Because of work under bad environment, because the reasons such as dust, equipment vibrations often burn out, rupture, there is gnawing rail phenomenon in the resistance of rotor loop serial connection simultaneously, while starting weight, easily wave because rope is long, make to operate normally pulsation-free and carry out, also likely occur slipping the contingencies such as hook.Sometimes overload load is large, when startup, Current on Grid impacts large, and be all inertia load, mechanical equipment shortening in service life, the safety factor of operating personal is not high, and equipment serviceability is low, between auxiliary hook, cart, dolly cam controller, there is no fixing contact, in the time that hoisting crane is worked, labor intensity of operating staff is larger, easily tired, easily produces maloperation; Positioning control system positioning precision is not high, and efficiency is lower, and operational process is not steady, and safety is low, has restricted production efficiency.In order to address the above problem, the technical personnel of R&D institution and enterprise is constantly being explored, is being studied, wish to develop a kind of more advanced crane controller, although make some progress, in practice, still exist the technical barrier not yet overcoming.
Utility model content
The purpose of this utility model is to overcome above deficiency, and a kind of intelligent crane controller is provided.This device is based on modern intelligent electromechanical control technology, melt the technology such as computer technology, microelectronic technique, Power Electronic Technique, network technology, hydraulic technique, fuzzy control in one, realize hoisting crane of new generation and driven and automation, the intellectuality controlled, there is high, the safe feature of reliability.This device adopts PLC to control, on PLC, install remote control module additional, utilize the intelligent anti-swing control technology of closed-loop intelligence correction control technology and dynamic modeling, Sliding mode variable structure control and full variable-frequency speed-adjusting, the system state data library management of technology Network Based, realize the anti-sway positioning control with system of weight under " become rope long " condition, guarantee the efficiently and smoothly operated of cart, dolly, effectively prevent the rail of gnawing of hoisting crane, realized the follow-up services such as the state-detection monitoring, remote fault diagnosis, Maintenance and Repair guidance of hoisting crane; On bridge operation platform, be provided with Fingerprint Lock, automatically identifying operation personnel's fingerprint, prevents from that others from operating to cause error; Device has also increased the anti-slip hook control module of emergent controlling mechanism, effectively prevent from slipping the generation of the contingencies such as hook, carry out omnibearing Intelligent Recognition monitoring to running state and from element, parts, module, system to load, running velocity, operating process, operating personal identity etc., realize hoisting crane automation, intelligentized control, production efficiency is high, safety performance is good, has met Production requirement.
The utility model solves the technical scheme that its technical matters adopts: contain PLC host computer control, HMI system monitoring, Digiplex, switching value input, analog output, data acquisition PLC, bridge operation platform, the input of remote switch amount, Frequency Converter Control, one end of PLC host computer control is connected with HMI system monitoring electric wiring, the other end of PLC host computer control respectively with one end of switching value input, analog output, data acquisition PLC, one end of remote switch amount input, Frequency Converter Control is connected, analog output is provided with coder detection module and analog module, data acquisition PLC is provided with slave station PLC, switching value input is provided with and starts the anxious module of stopping, bridge operation platform is provided with fingerprint identification device, the other end of switching value input is connected with Digiplex, the other end of remote switch amount input is connected with bridge operation platform, has formed a kind of intelligent crane controller.
The utility model solves the know-why that its technical matters adopts: the operation that this crane controller is mainly driven a vehicle by PLC host computer control.HMI supervisory system adopts A65 series touch-screen, and the data that gather main frame PLC show, reach supervisory function bit.On PLC, install remote control module additional and realize the functions such as remote diagnosis, detection, monitoring.Device is mainly made up of the cart dolly three part motors that hoist, and every part motor all contains encoder feedback.Pass through encoder feedback, the weight feedback of load limiter, in the time of lifting of travelling crane object, coder Real-time Feedback goes out the position of main hook, plays the height of weight according to traveling crane, and the speed of large vehicle walking, pass through data operation, provide the rational Acceleration of starting time, allow weight start by pulsation-free, reach anti-effect of shaking.In the time that main hook is lower in position, cart toggle speed is upwards lifting weight of while main hook slowly, when cargo motor reaches reasonable altitudes, cart can move by utmost dispatch, in the time soon reaching weight desired location, system can point out one reasonably to slow down to reach pre-decelerating, reaches the better anti-effect of shaking.
PLC main frame is by the synchronized operation of analog output control cart left and right motor, have backward variation when coder detection module has detected a side motor, analog module, by increasing voltage, allows frequency converter frequency raise, increase the running velocity that falls behind a side motor, synchronous to reach both sides operation.PLC is arranged on the incremental encoder on the travelling wheel of both sides by detection, realizes the synchronized operation of cart; Based on the intelligent anti-swing control technology of dynamic modeling, Sliding mode variable structure control and full variable-frequency speed-adjusting, guarantee the efficiently and smoothly operated of cart, dolly.The slave station PLC moment is read the speed of electric current, voltage and the motor of motor operation, sends data acquisition PLC to, and data acquisition PLC sends the data that obtain to PLC main frame again, and PLC main frame carries out computing feedback according to the data that receive.Digiplex is connected with the other end of switching value input, Digiplex connects by wireless high-frequency electric wave, PLC main frame is by gathering the switching value input of Digiplex, read and start the anxious signal that stops module, according to Digiplex push button control dolly forward backward, call a taxi to from left to right, the upper and lower operation of main hook.On large Car Track, ad-hoc location will be installed magnet, so that the error of hoisting crane correction coder.When operation deviation reach hoisting crane span 1/1000 time, start automatic deviation correction; When operation deviation reach hoisting crane span 2/1000 time, give a warning; When deviation be greater than hoisting crane span 3/1000 time, cart automatic train stop.And sending alerting signal at operator's compartment, operator manually rectifies a deviation by the monolateral traveling gear of M/C, recovers cart operation after elimination deviation.
Bridge operation is mainly moved up and down and is hoisted by rocking bar control dolly.The input of remote switch amount gathers the control signal of driving operator's compartment, and the alerting signal of system.System, by 485 bus link PLC main frames, sends the signal of collection main frame to and then judges.In bridge operation platform, be provided with fingerprint identification lock, identifying operation personnel's fingerprint automatically, is used for preventing that hoisting crane from being used and causing error by others, guarantees the safety of hoisting crane.Travelling crane hook, in the time hanging thing lifting, slips hook accident (event) once in a while, and this system has increased anti-slip hook control module, and overall process is carried out to anti-slip hook control, and the brake of all mechanisms is controlled by the signal of frequency converter.When electric motor starting, frequency converter first guarantees that motor has enough hold torques, then just controls brake and opens, and prevents from slipping hook.In the time that motor stops, frequency converter first drops to lower speed by changing motor-field motor, and then controls brake and close, and realizes pulsation-free and stops.PLC system constantly detects all frequency converters, and information the record such as the limit switch of each mechanism, if out fault or mistake can be sent warning, PLC system also will record the number of run of all mechanisms, the data such as time of run, the control of meeting an urgent need, meanwhile select reliability high, the equipment of technological performance is used for associated drives equipment, especially to drg, carry out electricity supply and control, the important key equipment of hoisting crane is carried out to whole process supervision, reach and easily send out fault section once the accumulated operating time of certain equipment, electric-control system can remind service personnel to change in time automatically, drop to minimum by slipping the occurrence probability of hook accident, guarantee the person of operating personal and the safety of equipment and work efficiency.
The beneficial effects of the utility model: this device is based on modern intelligent electromechanical control technology, melt the technology such as computer technology, microelectronic technique, Power Electronic Technique, network technology, hydraulic technique, fuzzy control in one, realize hoisting crane of new generation and driven and automation, the intellectuality controlled, there is high, the safe feature of reliability.This device adopts PLC to control, on PLC, install remote control module additional, utilize the intelligent anti-swing control technology of closed-loop intelligence correction control technology and dynamic modeling, Sliding mode variable structure control and full variable-frequency speed-adjusting, the system state data library management of technology Network Based, realize the anti-sway positioning control with system of weight under " become rope long " condition, guarantee the efficiently and smoothly operated of cart, dolly, effectively prevent the rail of gnawing of hoisting crane, realized the follow-up services such as the state-detection monitoring, remote fault diagnosis, Maintenance and Repair guidance of hoisting crane; On bridge operation platform, be provided with Fingerprint Lock, automatically identifying operation personnel's fingerprint, prevents from that others from operating to cause error; Device has also increased the anti-slip hook control module of emergent controlling mechanism, effectively prevent from slipping the generation of the contingencies such as hook, carry out omnibearing Intelligent Recognition monitoring to running state and from element, parts, module, system to load, running velocity, operating process, operating personal identity etc., realize hoisting crane automation, intelligentized control, production efficiency is high, safety performance is good, has met Production requirement.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
It in Fig. 1, is a kind of intelligent crane controller structural representation;
It in Fig. 2, is a kind of intelligent crane controller diagram of work;
In Fig. 1,2: 1, PLC host computer control, 2, HMI system monitoring, 3, Digiplex, 4, switching value input, 5, analog output, 6, data acquisition PLC, 7, bridge operation platform, 8, remote switch amount input, 9, Frequency Converter Control.
The specific embodiment
In Fig. 1,2: one end of PLC host computer control 1 is connected with HMI system monitoring 2 electric wirings, the other end of PLC host computer control 1 is connected with one end, the Frequency Converter Control 9 of one end of switching value input 4, analog output 5, data acquisition PLC6, remote switch amount input 8 respectively, analog output 5 is provided with coder detection module and analog module, data acquisition PLC6 is provided with slave station PLC, switching value input 4 is provided with to start suddenly and stops module, and bridge operation platform 7 is provided with fingerprint identification device; The other end of switching value input 4 is connected with Digiplex; The other end of remote switch amount input 8 is connected with bridge operation platform 7, has formed a kind of intelligent crane controller.
The operation that this crane control system is mainly driven a vehicle by PLC host computer control 1.HMI monitors that 2 systems adopt A65 series touch-screen, and the data that gather main frame PLC show, reach supervisory function bit.On PLC, install remote control module additional and realize the functions such as remote diagnosis, detection, monitoring.System is mainly made up of the cart dolly three part motors that hoist, and every part motor all contains encoder feedback.Pass through encoder feedback, the weight feedback of load limiter, in the time of lifting of travelling crane object, coder Real-time Feedback goes out the position of main hook, plays the height of weight according to traveling crane, and the speed of large vehicle walking, pass through data operation, provide the rational Acceleration of starting time, allow weight start by pulsation-free, reach anti-effect of shaking.In the time that main hook is lower in position, cart toggle speed is upwards lifting weight of while main hook slowly, when cargo motor reaches reasonable altitudes, cart can move by utmost dispatch, in the time soon reaching weight desired location, system can point out one reasonably to slow down to reach pre-decelerating, reaches the better anti-effect of shaking.
PLC main frame 1 is controlled the synchronized operation of cart left and right motor by analog output 5, when having detected a side motor, coder detection module has backward variation, analog module is by increasing voltage, allow frequency converter frequency raise, increase the running velocity that falls behind a side motor, synchronous to reach both sides operation.PLC is arranged on the incremental encoder on the travelling wheel of both sides by detection, realizes the synchronized operation of cart; Based on the intelligent anti-swing control technology of dynamic modeling, Sliding mode variable structure control and full variable-frequency speed-adjusting, guarantee the efficiently and smoothly operated of cart, dolly.The slave station PLC moment is read the speed of electric current, voltage and the motor of motor operation, sends data acquisition PLC6 to, and data acquisition PLC6 sends the data that obtain to PLC main frame 1 again, and PLC main frame 1 carries out computing feedback according to the data that receive.Digiplex is connected with the other end of switching value input 4, Digiplex connects by wireless high-frequency electric wave, PLC main frame 1 is by gathering the switching value input of Digiplex, read and start the anxious signal that stops module, according to Digiplex push button control dolly forward backward, call a taxi to from left to right, the upper and lower operation of main hook.On large Car Track, ad-hoc location will be installed magnet, so that the error of hoisting crane correction coder.When operation deviation reach hoisting crane span 1/1000 time, start automatic deviation correction; When operation deviation reach hoisting crane span 2/1000 time, give a warning; When deviation be greater than hoisting crane span 3/1000 time, cart automatic train stop.And sending alerting signal at operator's compartment, operator manually rectifies a deviation by the monolateral traveling gear of M/C, recovers cart operation after elimination deviation.
Bridge operation is mainly moved up and down and is hoisted by rocking bar control dolly.Remote switch amount input 8 gathers the control signal of driving operator's compartment, and the alerting signal of system.System, by 485 bus link PLC main frames, sends the signal of collection main frame to and then judges.7 li of bridge operation platforms are provided with fingerprint identification lock, and identifying operation personnel's fingerprint is automatically used for preventing that hoisting crane from being used and causing error by others, guarantees the safety of hoisting crane.Travelling crane hook, in the time hanging thing lifting, slips hook accident (event) once in a while, and this system has increased anti-slip hook control module, and overall process is carried out to anti-slip hook control, and the brake of all mechanisms is controlled by the signal of frequency converter.When electric motor starting, frequency converter first guarantees that motor has enough hold torques, then just controls brake and opens, and prevents from slipping hook.In the time that motor stops, frequency converter first drops to lower speed by changing motor-field motor, and then controls brake and close, and realizes pulsation-free and stops.PLC system constantly detects all frequency converters, and information the record such as the limit switch of each mechanism, if out fault or mistake can be sent warning, PLC system also will record the number of run of all mechanisms, the data such as time of run, the control of meeting an urgent need, meanwhile select reliability high, the equipment of technological performance is used for associated drives equipment, especially to drg, carry out electricity supply and control, the important key equipment of hoisting crane is carried out to whole process supervision, reach and easily send out fault section once the accumulated operating time of certain equipment, electric-control system can remind service personnel to change in time automatically, drop to minimum by slipping the occurrence probability of hook accident, guarantee the person of operating personal and the safety of equipment and work efficiency.
Claims (1)
1. an intelligent crane controller, contain PLC host computer control, HMI system monitoring, Digiplex, switching value input, analog output, data acquisition PLC, bridge operation platform, the input of remote switch amount, Frequency Converter Control, it is characterized in that: one end of PLC host computer control is connected with HMI system monitoring electric wiring, the other end of PLC host computer control respectively with one end of switching value input, analog output, data acquisition PLC, one end of remote switch amount input, Frequency Converter Control is connected, analog output is provided with coder detection module and analog module, data acquisition PLC is provided with slave station PLC, switching value input is provided with and starts the anxious module of stopping, bridge operation platform is provided with fingerprint identification device, the other end of switching value input is connected with Digiplex, the other end of remote switch amount input is connected with bridge operation platform, has formed a kind of intelligent crane controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420042169.9U CN203682922U (en) | 2014-01-23 | 2014-01-23 | Intelligent crane control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420042169.9U CN203682922U (en) | 2014-01-23 | 2014-01-23 | Intelligent crane control device |
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| CN203682922U true CN203682922U (en) | 2014-07-02 |
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| CN201420042169.9U Expired - Fee Related CN203682922U (en) | 2014-01-23 | 2014-01-23 | Intelligent crane control device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104828705A (en) * | 2015-05-14 | 2015-08-12 | 新兴铸管股份有限公司 | Crown block control device |
| CN107272701A (en) * | 2017-07-26 | 2017-10-20 | 合肥新坞岩机械科技有限公司 | One kind boat vehicle intelligent traveling control system |
| CN108946493A (en) * | 2018-09-17 | 2018-12-07 | 安徽德马泰格起重机械有限公司 | A kind of crane starting safety control system |
-
2014
- 2014-01-23 CN CN201420042169.9U patent/CN203682922U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104828705A (en) * | 2015-05-14 | 2015-08-12 | 新兴铸管股份有限公司 | Crown block control device |
| CN104828705B (en) * | 2015-05-14 | 2016-09-14 | 新兴铸管股份有限公司 | A kind of control device of overhead traveling crane |
| CN107272701A (en) * | 2017-07-26 | 2017-10-20 | 合肥新坞岩机械科技有限公司 | One kind boat vehicle intelligent traveling control system |
| CN108946493A (en) * | 2018-09-17 | 2018-12-07 | 安徽德马泰格起重机械有限公司 | A kind of crane starting safety control system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20170123 |