CN203959715U - A kind of anti roll device of blast furnace hoisting system and truck thereof - Google Patents
A kind of anti roll device of blast furnace hoisting system and truck thereof Download PDFInfo
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- CN203959715U CN203959715U CN201420394381.1U CN201420394381U CN203959715U CN 203959715 U CN203959715 U CN 203959715U CN 201420394381 U CN201420394381 U CN 201420394381U CN 203959715 U CN203959715 U CN 203959715U
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- blast furnace
- truck
- frequency converter
- hoisting system
- coder
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Abstract
The utility model discloses a kind of anti roll device and truck thereof of blast furnace hoisting system, belong to the accessory device field of blast furnace hoisting system.The anti roll device of this blast furnace hoisting system, comprises PLC system, and PLC system comprises input end and mouth, also comprises master controller, motor internal contracting brake device, coder, elevator frequency converter, frequency converter inlet wire contactless switch; Master controller is connected with PLC system input with coder; Motor internal contracting brake device is connected with the mouth of PLC system with frequency converter inlet wire contactless switch; Elevator frequency converter is connected with PLC system bidirectional; The truck of this blast furnace hoisting system, comprise motor, reductor and cable drum, also comprise control system, control system is the anti roll device of a kind of blast furnace hoisting system of the present utility model, can avoid slipping because of truck equipment, the safety misadventure that car causes, produce and give security for blast furnace, brake rapidly and efficiently, and can not affect the follow-up use of motor.
Description
Technical field
The utility model relates to the accessory device field of blast furnace hoisting system, more particularly, relates to a kind of anti roll device and truck thereof of blast furnace hoisting system.
Background technology
Blast furnace hoisting system is one of key link in Research for Feeding Raw Materials System, and can truck reliability service not only directly affect the production of blast furnace, also will directly have influence on equipment and personal safety.Current small blast furnace hoisting system generally adopts the reel in motor via reducer drive system to realize the upper and lower crank motion of double skip.The motion of truck on skew bridge is divided into six stages: from tank hole low-frequency start, go out tank mouth and accelerate to high frequency, high frequency smooth operation, be decelerated to low frequency, low-frequency operation batch turning, stopping brake near furnace roof.Existing mode is: detect the run location of truck on skew bridge with the coder of cable drum coaxial rotating, the signal of diverse location (is being cheated to point; Acceleration point; Deceleration point; Empty, burnt, mine car braking point; Upper change point) feed back to PLC as DI point, PLC sends to elevator frequency converter by analog output AO module by 4-20mA signal after receiving position signal, elevator frequency converter is by the variation control motor running velocity of output frequency Hz number, and the acceleration, deceleration that realize truck are switched.Control to motor internal contracting brake in whole process is extremely important, and truck activates to open band-type brake, normal brake application band-type brake and the band-type brake that breaks down in operational process is all provided with kinds of protect to guarantee the reliability service of truck.Although the control to motor internal contracting brake is provided with kinds of protect, the phenomenon that " slip car " occurs truck still has generation, and some companies even occurred because truck " slip car " and the equipment breakdown that causes blast furnace to stop production one week.
Chinese Patent Application No.: 201220552848.1, the applying date: on October 25th, 2012, invention and created name is: blast-furnace skip car delivery system, this application case discloses a kind of blast-furnace skip car delivery system, mainly for providing one to prevent that truck from slipping car in the process of transporting, the rush to summit blast-furnace skip car delivery system of accident of empty wagons.This utility model blast-furnace skip car delivery system, the engine installation that comprises PLC controller, be connected with described PLC controller and driving device and the oblique rail of truck, wherein, described driving device comprises the top wheel that is arranged on described oblique rail top and the roller that is arranged on described oblique rail below, the band-type brake that described roller connects, and be arranged on the coder on described roller shaft, described top wheel is connected by steel rope with described roller, wherein said coder connects described PLC controller, for to described PLC controller output detection signal.This utility model has prevented the rush to summit generation of accident of truck " slip car " and empty wagons to a certain extent, but because causing system control, its coder occasional generation zero creep sends the situation of spurious signal, thereby or can there is the phenomenon of " slip car ", braking not in time, most importantly while slipping car device, only adopt band-type brake means, damage ratio to motor is larger, affects the service life of motor and whole truck.
Utility model content
1. the technical matters that utility model will solve
Can there is the phenomenon of " slip car " in order to overcome truck in prior art, braking not in time, most importantly while slipping car device, only adopt band-type brake means, damage ratio to motor is larger, affect the problem in the service life of motor and whole truck, the utility model provides a kind of anti roll device and truck thereof of blast furnace hoisting system, adopt the technical solution of the utility model, can avoid slipping because of truck equipment, the safety misadventure that car causes, produce and give security for blast furnace, brake rapidly and efficiently, and can not affect the follow-up use of motor.
2. technical scheme
For achieving the above object, the technical scheme that the utility model provides is:
An anti roll device for blast furnace hoisting system, comprises PLC system, and PLC system comprises input end and mouth, also comprises master controller, motor internal contracting brake device, coder, elevator frequency converter, frequency converter inlet wire contactless switch; Master controller is connected with PLC system input with coder; Motor internal contracting brake device is connected with the mouth of PLC system with frequency converter inlet wire contactless switch; Elevator frequency converter is connected with PLC system bidirectional.
Preferably, coder is rotary encoder.
Preferably, frequency converter inlet wire contactless switch is the switch of elevator frequency converter.
Preferably, between coder and PLC system, also comprise oscillator.
A truck for blast furnace hoisting system, comprises motor, reductor and cable drum, also comprises control system, and control system is the anti roll device of a kind of blast furnace hoisting system of the present utility model.
Preferably, coder is positioned on reductor.
Preferably, master controller is positioned on cable drum.
3. beneficial effect
The technical scheme that adopts the utility model to provide, compared with prior art, has following beneficial effect:
(1) anti roll device of a kind of blast furnace hoisting system of the present utility model, comprises PLC system, master controller, motor internal contracting brake device, coder, elevator frequency converter, frequency converter inlet wire contactless switch, master controller is connected with PLC system input with coder, motor internal contracting brake device is connected with the mouth of PLC system with frequency converter inlet wire contactless switch, elevator frequency converter is connected with PLC system bidirectional, master controller is connected with PLC system input with coder like this, the truck that master controller detects is the actual zero adjustment point as hoisting system at hole point, constantly coder is proofreaied and correct, guarantee the control accuracy of coder, coder is responsible for monitoring at any time the microcosmic variation of truck, after detecting abnormal signal, master controller and coder feed back in time PLC system, PLC system is sent instruction to motor internal contracting brake device and frequency converter inlet wire contactless switch simultaneously, in to motor internal contracting brake, also cut off motor power, prevent motor to cause damage.
(2) anti roll device of a kind of blast furnace hoisting system of the present utility model, rotary encoder is constantly made accurate judgement and comparison to the variation of direction and displacement in the up process of truck, rotary encoder monitoring is more accurate, zero creep probability of occurrence is low, the inverse change that energy real-time detecting material car is subjected to displacement in up process.
(3) anti roll device of a kind of blast furnace hoisting system of the present utility model, frequency converter inlet wire contactless switch is the switch of elevator frequency converter, makes PLC system more accurate to the control of elevator frequency converter.
(4) anti roll device of a kind of blast furnace hoisting system of the present utility model, also comprises oscillator between coder and PLC system, makes PLC system more accurate to the control of coder.
(5) truck of a kind of blast furnace hoisting system of the present utility model, comprising the anti roll device of a kind of blast furnace hoisting system of the present utility model, has avoided slipping because of truck equipment, the safety misadventure that car causes, and produces and gives security for blast furnace.
(6) truck of a kind of blast furnace hoisting system of the present utility model, coder is positioned on reductor, can immediately constantly make accurate judgement and comparison to the variation of direction and displacement in the up process of truck, realize the instant inverse change that truck is subjected to displacement in up process that detects.
(7) truck of a kind of blast furnace hoisting system of the present utility model, master controller is positioned on cable drum, can immediately detect truck cheating the actual zero adjustment point of point as hoisting system, constantly coder be proofreaied and correct, guarantee the control accuracy of coder.
(8) anti roll device of a kind of blast furnace hoisting system of the present utility model, reasonable in design, principle is simple, is convenient to promote the use of.
Brief description of the drawings
Fig. 1 is the anti roll device schematic diagram of a kind of blast furnace hoisting system of the present utility model;
Fig. 2 is the truck device schematic diagram of a kind of blast furnace hoisting system of the present utility model;
Function implementation relation figure when Fig. 3 is work of the present utility model.
Detailed description of the invention
For further understanding content of the present utility model, by reference to the accompanying drawings the utility model is described in detail.
As shown in Figure 1, the anti roll device of a kind of blast furnace hoisting system of the present utility model, comprises PLC system, and PLC system comprises input end and mouth, also comprises master controller, motor internal contracting brake device, coder, elevator frequency converter, frequency converter inlet wire contactless switch; Master controller is connected with PLC system input with coder; Motor internal contracting brake device is connected with the mouth of PLC system with frequency converter inlet wire contactless switch; Elevator frequency converter is connected with PLC system bidirectional.
As shown in Figure 2, the truck of a kind of blast furnace hoisting system of the present utility model, comprises motor, reductor and cable drum, also comprises control system, and control system is the anti roll device of a kind of blast furnace hoisting system of the present utility model.
In the present embodiment, the rotary encoder that coder selects Pepperl & Fuchs De to produce, rotary encoder is arranged on a side of reductor, and in company with cable drum synchronous rotary, from rotary encoder to PLC system layout DP fieldbus, set up the communication between rotary encoder and PLC system, PLC system software program can be write according to concrete actual conditions, in the time of work, the utility model function implementation relation as shown in Figure 3, its principle of work is: master controller be positioned on cable drum and with cable drum coaxial rotating, the effect of master controller is the run location that detects truck, by the dissimilar signal (signal of sky, Jiao, mine car point station, the signal of limes superiors point, the signal of elevator frequency converter failure, the signal of elevator frequency converter and PLC system communication fault, the signal that on truck, line command is lost etc.) feed back to PLC system as DI point, PLC system sends to motor internal contracting brake device by analog output AO module by 4-20mA signal after receiving signal, realizes the braking of truck, the variation of the truck also rotary encoder being detected on the other hand, state in up process is as one of necessary condition to the control of motor internal contracting brake device, when rotary encoder detects after motor internal contracting brake device is opened, rotary encoder is changed by range, send signal in the present embodiment ms oscillator between rotary encoder and PLC system, ms oscillator judges the inverse change of truck in operational process, in the time there is suddenly inverse change and variable quantity and be less than setting value in the change direction of truck in operational process (herein because be inverse change, so variable quantity and setting value are all negative values, so variable quantity is less than the absolute value that absolute value that the implication of setting value represents variable quantity is greater than setting value), immediately by frequency converter inlet wire contactless switch separating brake, frequency converter inlet wire contactless switch makes the power-off of elevator frequency converter as the switch of elevator frequency converter in the present embodiment, elevator frequency converter is out of service, by motor internal contracting brake device separating brake, realize the braking of truck simultaneously, prevented like this generation of truck " slip car " phenomenon with regard to actv..Simultaneously, for preventing that rotary encoder generation zero creep from causing the situation of PLC system control spurious signal, using the truck detecting with the master controller of cable drum coaxial rotating at hole point the actual zero adjustment point as hoisting system, constantly rotary encoder is proofreaied and correct, guaranteed the control accuracy of rotary encoder.
Below schematically the utility model and embodiment thereof are described, this description does not have restricted, and shown in accompanying drawing is also one of embodiment of the present utility model, and actual structure is not limited to this.So, if those of ordinary skill in the art is enlightened by it, in the situation that not departing from the utility model creation aim, without the creationary frame mode similar to this technical scheme and the embodiment of designing, all should belong to protection domain of the present utility model.
Claims (7)
1. an anti roll device for blast furnace hoisting system, comprises PLC system, and described PLC system comprises input end and mouth; It is characterized in that: also comprise master controller, motor internal contracting brake device, coder, elevator frequency converter, frequency converter inlet wire contactless switch; Described master controller is connected with PLC system input with coder; Described motor internal contracting brake device is connected with the mouth of PLC system with frequency converter inlet wire contactless switch; Described elevator frequency converter is connected with PLC system bidirectional.
2. the anti roll device of a kind of blast furnace hoisting system according to claim 1, is characterized in that: described coder is rotary encoder.
3. the anti roll device of a kind of blast furnace hoisting system according to claim 1, is characterized in that: described frequency converter inlet wire contactless switch is the switch of elevator frequency converter.
4. the anti roll device of a kind of blast furnace hoisting system according to claim 1, is characterized in that: between described coder and PLC system, also comprise oscillator.
5. a truck for blast furnace hoisting system, comprises motor, reductor and cable drum, it is characterized in that: also comprise control system, described control system is the anti roll device of a kind of blast furnace hoisting system described in any one in claim 1-4.
6. the truck of a kind of blast furnace hoisting system according to claim 5, is characterized in that: described coder is positioned on reductor.
7. the truck of a kind of blast furnace hoisting system according to claim 5, is characterized in that: described master controller is positioned on cable drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420394381.1U CN203959715U (en) | 2014-07-16 | 2014-07-16 | A kind of anti roll device of blast furnace hoisting system and truck thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420394381.1U CN203959715U (en) | 2014-07-16 | 2014-07-16 | A kind of anti roll device of blast furnace hoisting system and truck thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203959715U true CN203959715U (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420394381.1U Expired - Fee Related CN203959715U (en) | 2014-07-16 | 2014-07-16 | A kind of anti roll device of blast furnace hoisting system and truck thereof |
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| CN (1) | CN203959715U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110436370A (en) * | 2019-06-30 | 2019-11-12 | 安徽省宿州市龙华机械制造有限公司 | A kind of brake fluid system of large-tonnage haulage gear |
| CN111017662A (en) * | 2019-12-27 | 2020-04-17 | 北京金自天正智能控制股份有限公司 | Blast furnace skip anti-top intelligent monitoring method |
| CN111235336A (en) * | 2020-03-13 | 2020-06-05 | 中冶赛迪装备有限公司 | Energy-saving intelligent blast furnace skip feeding system |
| CN112141900A (en) * | 2020-09-10 | 2020-12-29 | 张家港宏昌钢板有限公司 | System and method for monitoring faults of molten iron desulphurization equipment in real time |
-
2014
- 2014-07-16 CN CN201420394381.1U patent/CN203959715U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110436370A (en) * | 2019-06-30 | 2019-11-12 | 安徽省宿州市龙华机械制造有限公司 | A kind of brake fluid system of large-tonnage haulage gear |
| CN111017662A (en) * | 2019-12-27 | 2020-04-17 | 北京金自天正智能控制股份有限公司 | Blast furnace skip anti-top intelligent monitoring method |
| CN111235336A (en) * | 2020-03-13 | 2020-06-05 | 中冶赛迪装备有限公司 | Energy-saving intelligent blast furnace skip feeding system |
| CN112141900A (en) * | 2020-09-10 | 2020-12-29 | 张家港宏昌钢板有限公司 | System and method for monitoring faults of molten iron desulphurization equipment in real time |
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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 |
Granted publication date: 20141126 Termination date: 20210716 |
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| CF01 | Termination of patent right due to non-payment of annual fee |