CN103420130B - Dual system logical material automatic equalization adjustment control setup and method - Google Patents
Dual system logical material automatic equalization adjustment control setup and method Download PDFInfo
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- CN103420130B CN103420130B CN201210155163.8A CN201210155163A CN103420130B CN 103420130 B CN103420130 B CN 103420130B CN 201210155163 A CN201210155163 A CN 201210155163A CN 103420130 B CN103420130 B CN 103420130B
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Abstract
The present invention relates to travelling apron Bulk material field, particularly relate to a kind of travelling apron conveying logical material control setup and method.A kind of dual system logical material automatic equalization adjustment control setup, comprises travelling car, trolley track, track fixed mount, trolley walking motor, mobile chute, the left chute of dual system, the right chute of dual system and electronic scales.A kind of dual system logical material automatic equalization adjustment control method, mobile chute unit miles of relative movement, test interval and deviation threshold are set, electronic scales was measured the mass flow on the travelling apron of dual system downstream every a test interval, on the travelling apron of dual system downstream, the right and left mass flow deviation is greater than deviation threshold, and mobile chute moves to the less side of mass flow.The present invention guarantees that mobile chute locating point is in dual system logical material equilibrium state all the time, avoids the deviation of mobile chute flow to spill the generation of material, binder accident, ensures load-transfer device normal operation, promotes that safety in production and production capacity improve.
Description
Technical field
The present invention relates to travelling apron Bulk material field, particularly relate to a kind of travelling apron conveying logical material control setup and method.
Background technology
Mobile chute is the equipment leading to material distribution for carrying out dual system to upstream travelling apron convey materials.The distribution material mode of mobile chute is the position by travelling car, and adjustment enters the chute feed distribution of downstream dual system travelling apron, to reach the object of dual system feed surge.
The downstream travelling apron chute leading to material distribution due to dual system causes the reason such as buildup, wear liner in material conveying process, make mobile chute material maldistribution, downstream travelling apron effect is declined, and the accident such as spreading, binder of the mass transport overbalance that dual system sub-material deviation causes and travelling apron is the problem that we must solve at present.
Dual system is logical expects to distribute mobile chute in process of production, and due to the equal reason of supplied materials kind physical property, chute blocking often occurs in the logical material distribution of dual system mobile chute system both sides in material assigning process, material distributes unbalanced accident.Accident mainly contains following several situation:
1) mobile chute blocking material enters side, when side travelling apron exceedes default platform, causes side travelling apron overload fault to shut down, and opposite side no-load running;
2) mobile chute Partial Blocking material both sides are unbalanced, and the too high side travelling apron effect of flow system flow declines, during the platform of influential system.
3) mobile chute material both sides are unbalanced, cause the accidents such as side travelling apron spreading, binder.
No matter two side system materials of which kind of situation distribute unbalanced, and consequence is all serious.General consequence causes mass transport effect to decline to I haven't seen you for ages; The serious long-time shutdown causing manufacturing line, serious even damage equipment.It is more late that both sides material distributes unbalanced discovery time, and consequence is more serious.So must distribute unbalanced in Timeliness coverage system both sides, take measures as early as possible, Accident prevention be magnified.
At present, chute automatic adjusting method is not moved.Existing method be by control cabin, field observation dual system travelling apron during material electronics weighing platform flow and on-the-spot post personnel estimate mass flow, when finding both sides travelling apron Traffic Anomaly, adjust when the control cabin operating personal notice mobile chute of on-the-spot adjustment or on-the-spot post personnel estimate both sides Traffic Anomaly.
Chute dolly dual system logical material material deviation adjusting control method two kinds is moved at present for travelling apron,
Method one: on-the-spot post range estimation dual system logical material material deviation adjusting moves chute method
After the logical material of system running dual system, on-the-spot post personnel visually dual system logical material material deviation carry out adjusting mobile chute method, reach the object of dual system mass transport equilibrium.
Method two: control cabin is by the material display situation method of adjustment of dual system travelling apron electronic scales
After the logical material of system running dual system in process, control cabin is by the material display situation of dual system travelling apron electronic scales, notify that chute dolly is moved in the personnel adjustment of on-the-spot post, the direction adjusting mobile chute dolly is determined by control cabin, carry out material distribution, reach the object of dual system mass transport equilibrium.
Automatically adjustment function is controlled, the careless mistake of operating personal in addition because lack when current above-mentioned kind two method is implemented, often can not Timeliness coverage two side system material deviation situation; Travelling apron is all enclosed equipment (travelling apron has hood) substantially, and it is relatively difficult that on-the-spot post personnel estimate dual system logical material material deviation; Divide balancing, operating personal spiritual need high concentration by naked eyes and control cabin observing system both sides material, work load is high; Situation usually can be judged by accident the adjustment of both sides flow by site operation personnel, not only have impact on operating efficiency, and labour intensity is higher.Although both sides material is relatively balanced sometimes, the requirement designed during the platform of system, can not be obtained, the requirement that crushing and screening operation essence lump ore blast furnace uses can not be met.So all fail effective solution travelling apron to be moved to the adjustment of chute.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of dual system logical material automatic equalization adjustment control setup and method, automatically the position of travelling car is regulated by the flow deviation of CPU automatic monitoring dual system downstream travelling apron, avoid the deviation of mobile chute flow to spill the generation of material, binder accident, ensure load-transfer device normal operation.
The present invention is achieved in that a kind of dual system logical material automatic equalization adjustment control setup, comprise travelling car, trolley track, track fixed mount, trolley walking motor, mobile chute, the left chute of dual system, the right chute of dual system and electronic scales, described trolley track is fixed on track fixed mount, described travelling car is arranged on trolley track, trolley track two ends are provided with pole positive stop, described mobile chute is arranged on travelling car, mobile chute is arranged on the below of upstream travelling apron, the inlet point of mobile chute matches with upstream travelling apron, the left chute of described dual system and the right chute of dual system are arranged on the below of mobile chute, the inlet point of the left chute of dual system and the right chute of dual system matches with the discharging opening of mobile chute, in described mobile chute, midway location is provided with position detecting mechanism, and the discharging opening of the left chute of described dual system and the right chute of dual system matches with dual system downstream travelling apron, and described dual system downstream travelling apron is equipped with electronic scales.
Described travelling car 1 is as a whole with mobile chute 5.
Described position detecting mechanism is infrared ray position detecting mechanism.
Described trolley track is gear type track.
Described trolley walking motor is stepping motor.
A kind of dual system logical material automatic equalization adjustment control method, mobile chute unit miles of relative movement d, test interval T and deviation threshold A are set, during control, electronic scales is measured the mass flow on the travelling apron of dual system downstream every a test interval T, each test time t, do following selection according to test result: when the right and left mass flow deviation is less than or equal to deviation threshold A on the travelling apron of dual system downstream, mobile chute remains motionless; When on the travelling apron of dual system downstream, the right and left mass flow deviation is greater than deviation threshold A, mobile chute moves a unit miles of relative movement d to the less side of mass flow.
When dual system of the present invention logical material automatic equalization adjustment control setup and method work, when travelling apron both sides, dual system downstream mass flow deviation is greater than the threshold value of setting, system sends deviation information, treater sends adjustment travelling car signal, each dolly moves a unit miles of relative movement, till travelling apron both sides, dual system downstream mass flow deviation is less than or equal to the threshold value of setting.Travelling car adjustment controls whole process all to be had and has been controlled by CPU treater, guarantee that mobile chute locating point is in dual system logical material equilibrium state all the time, avoid the deviation of mobile chute flow to spill the generation of material, binder accident, ensure load-transfer device normal operation; Structure of the present invention is simple, low cost, easy to maintenance, automatic detection and adjustment successful, solve the difficult problem in production operation, the technology invention can be widely used in various metallurgy, coal, generating, food processing, pharmacy etc. and adopt mobile chute dolly dual system to lead to the system of material, and utilize travelling apron to carry out the mechanical equipment of mass transport, requirement is long continuously, the occasion of large discharge operation, all this device can be installed, can Timeliness coverage dual system logical material deviation, promotion safety in production and production capacity raising.
Accompanying drawing explanation
Fig. 1 is dual system of the present invention logical material automatic equalization adjustment control setup structural representation;
Fig. 2 is dual system of the present invention logical material automatic equalization adjustment control method control flow chart.
In figure: 1 travelling car, 2 trolley tracks, 3 track fixed mounts, 4 trolley walking motors, 5 move chute, the left chute of 6 dual system, the right chute of 7 dual system, 8 electronic scaless, 9 upstream travelling aprons, 10 position detecting mechanisms, 11 dual system downstream travelling aprons, 12 pole positive stops.
Detailed description of the invention
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's statement.
Embodiment 1
As shown in Figure 1, a kind of dual system logical material automatic equalization adjustment control setup, comprise travelling car 1, trolley track 2, track fixed mount 3, trolley walking motor 4, mobile chute 5, the left chute 6 of dual system, the right chute 7 of dual system and electronic scales 8, described trolley track 2 is fixed on track fixed mount 3, trolley track 2 two ends are provided with pole positive stop 12, described travelling car 1 is arranged on trolley track 2, described mobile chute 5 is arranged on travelling car 1, mobile chute 5 is arranged on the below of upstream travelling apron 9, the inlet point of mobile chute 5 matches with upstream travelling apron 9, the left chute of described dual system 6 and the right chute of dual system 7 are arranged on the below of mobile chute 5, the inlet point of the left chute of dual system 6 and the right chute of dual system 7 matches with the discharging opening of mobile chute 5, in described mobile chute 5, midway location is provided with position detecting mechanism 10, and the discharging opening of the left chute of described dual system 6 and the right chute 7 of dual system matches with dual system downstream travelling apron 11, and described dual system downstream travelling apron 11 is equipped with electronic scales 8.
In the present embodiment, conveniently install and detect the position of mobile chute 5, described position detecting mechanism 10 is infrared ray position detecting mechanism.
In addition, it should be noted that, in the present invention, usual travelling car 1 is as a whole with mobile chute 5, and trolley body is a chute structure.
In the present invention, in order to the distance ensureing each displacement of mobile chute 5 is a definite value, described trolley track 2 is gear type track, to facilitate setting.
As shown in Figure 2, a kind of dual system logical material automatic equalization adjustment control method, mobile chute 5 unit miles of relative movement d, test interval T and deviation threshold A are set, during control, electronic scales 8 is measured the mass flow on dual system downstream travelling apron 11 every a test interval T, each test time t, do following selection according to test result: when the right and left mass flow deviation is less than or equal to deviation threshold A on dual system downstream travelling apron 11, mobile chute 5 remains motionless; When on dual system downstream travelling apron 11, the right and left mass flow deviation is greater than deviation threshold A, mobile chute 5 moves the adjusting microinching of a unit miles of relative movement d to the less side of mass flow.
During practical operation, large deviations threshold value A of the present invention is set as 5%, test interval T is 60 seconds, each test time t is 10 seconds, mobile chute 5 unit miles of relative movement d is determined by device parameter, d=5%*(X-Y)/2, X are the inlet point width of mobile chute 5, and Y is upstream travelling apron 9 dumping apron deflector chute width.In the present embodiment, namely the inlet point width of mobile chute 5 is gone up along width is 2420mm, and upstream travelling apron 9 dumping apron deflector chute width is 550mm, according to computing formula: (2420mm-550mm) ÷ 2 × 5%=46.75mm, round numbers, unit miles of relative movement d is set as 50mm.
When travelling apron 11 running in dual system downstream has material to pass through, the weight of dual system downstream travelling apron 11 material is pressed on the weighing roller of respective supporting adhesive tape, weight of material then by lever transmission to electronic scales 8, and weight is converted to the load module that signal sends into arithmetic section, meanwhile, also convert the operating speed of adhesive tape to electric signal with the fifth wheel of adhesive strips contact and send into this module.Now, weight signal and speed signal are just carried out calculation process by CPU treater by the load module of arithmetic section, left and right travelling apron flow separately in dual system downstream travelling apron 11 is carried out deviation contrast by CPU treater, the streams value * 100% of mass flow deviation=both sides travelling apron difference in flow/less, when mass flow deviation is less than or equal to 5%, CPU treater does not send adjustment " mobile chute " signal.When mass flow deviation is greater than 5%, and when continuing 10 seconds that test time, CPU treater sends the signal moving " mobile chute " to the side travelling apron that feed flow is low, after mobile chute 5 receives deviation adjusting signal, trolley walking motor 4 controls power supply and obtains electric, and travelling car 1 action moves 1 time to the side that feed flow is low, and miles of relative movement is 50mm, " mobile chute " 1 mobile end, waiting for CPU processor signal.After the 1st time " mobile chute " adjustment terminates, in system running during flow indication time delay 60 seconds, CPU treater again carries out the 2nd secondary tracking to dual system downstream travelling apron 11 feed flow deviation, judges that whether deviation is greater than 5% to flow, is less than 5%CPU treater and does not send out adjustment instruction; If deviation be greater than 5% and time delays 10 seconds time, CPU treater again sends and moves " mobile chute " signal to the side travelling apron that feed flow is low, after mobile chute (TC) receives deviation adjusting signal, trolley walking motor 4 controls power supply and obtains electric, travelling car 1 action moves 1 time to the side that feed flow is low, miles of relative movement is 50mm, " mobile chute " 1 mobile end, waiting for CPU processor signal; By that analogy, until dual system downstream travelling apron 11 mass flow deviation be less than or equal to 5% or travelling car 1 arrive the shift position limit and pole positive stop 12 position.
Embodiment 2
A kind of dual system logical material automatic equalization adjustment control setup, the difference of embodiment 2 and embodiment 1 is, in order to the distance ensureing each displacement of mobile chute 5 is a definite value, in the present invention, described trolley walking motor 4 is stepping motor, drive mobile chute 5 to move by stepping motor, the shift length of mobile chute 5 single is adjusted more accurate.
Claims (6)
1. a dual system logical material automatic equalization adjustment control setup, it is characterized in that: comprise travelling car (1), trolley track (2), track fixed mount (3), trolley walking motor (4), mobile chute (5), the left chute of dual system (6), the right chute of dual system (7) and electronic scales (8), described trolley track (2) is fixed on track fixed mount (3), trolley track (2) two ends are provided with pole positive stop (12), described travelling car (1) is arranged on trolley track (2), described mobile chute (5) is arranged on travelling car (1), mobile chute (5) is arranged on the below of upstream travelling apron (9), the inlet point of mobile chute (5) matches with upstream travelling apron (9), the left chute of described dual system (6) and the right chute of dual system (7) are arranged on the below of mobile chute (5), the inlet point of the left chute of dual system (6) and the right chute of dual system (7) matches with the discharging opening of mobile chute (5), the interior midway location of described mobile chute (5) is provided with position detecting mechanism (10), the discharging opening of the left chute of described dual system (6) and the right chute of dual system (7) matches with dual system downstream travelling apron (11), and described dual system downstream travelling apron (11) is equipped with electronic scales (8).
2. dual system as claimed in claim 1 logical material automatic equalization adjustment control setup, is characterized in that: described travelling car (1) is as a whole with mobile chute (5).
3. dual system as claimed in claim 1 logical material automatic equalization adjustment control setup, is characterized in that: described position detecting mechanism (10) is infrared ray position detecting mechanism.
4. the logical material of the dual system as described in claim 1,2 or 3 automatic equalization adjustment control setup, is characterized in that: described trolley track (2) is gear type track.
5. the logical material of the dual system as described in claim 1,2 or 3 automatic equalization adjustment control setup, is characterized in that: described trolley walking motor (4) is stepping motor.
6. the dual system logical material automatic equalization adjustment control method utilizing dual system as claimed in claim 1 to lead to material automatic equalization adjustment control setup, it is characterized in that: mobile chute (5) unit miles of relative movement d is set, test interval T and deviation threshold A, during control, electronic scales (8) is measured the mass flow on dual system downstream travelling apron (11) every a test interval T, each test time t, following selection is done: when the upper the right and left mass flow deviation in dual system downstream travelling apron (11) is less than or equal to deviation threshold A according to test result, mobile chute (5) remains motionless, when the upper the right and left mass flow deviation in dual system downstream travelling apron (11) is greater than deviation threshold A, mobile chute (5) moves a unit miles of relative movement d to the less side of mass flow.
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| CN201210155163.8A CN103420130B (en) | 2012-05-18 | 2012-05-18 | Dual system logical material automatic equalization adjustment control setup and method |
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| CN201210155163.8A CN103420130B (en) | 2012-05-18 | 2012-05-18 | Dual system logical material automatic equalization adjustment control setup and method |
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| CN103420130B true CN103420130B (en) | 2015-12-09 |
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