CN102953755A - Mine material loading control method and control device as well as mine material loading system - Google Patents
Mine material loading control method and control device as well as mine material loading system Download PDFInfo
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- CN102953755A CN102953755A CN2011102553710A CN201110255371A CN102953755A CN 102953755 A CN102953755 A CN 102953755A CN 2011102553710 A CN2011102553710 A CN 2011102553710A CN 201110255371 A CN201110255371 A CN 201110255371A CN 102953755 A CN102953755 A CN 102953755A
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Abstract
The invention discloses a mine material loading control method and control device as well as a mine material loading system. The control method comprises the following steps of: detecting the weight of a current loading material in a quantitative loading device in real time and generating a weight value of a material to be loaded; and when judging that the weight value of the material to be loaded is more than or equal to a first pre-set threshold value, generating an automatic loading stopping signal and providing an automatic control switch for the quantitative loading device so as to prevent the quantitative loading device from automatically loading the material to a lifting device. The control method can prevent the material to be loaded from automatically operating to be loaded after the material is overloaded, and can effectively prevent the situation that electric equipment of the lifting device is damaged by the overloaded operation of the lifting device when the material to be loaded is overloaded and the loading cannot be stopped in time, so as to avoid a reversing and pulleying accident of the lifting device.
Description
Technical field
The present invention relates to the mining control technology, particularly a kind of mine material loading control method, control device and mine material loading system.
Background technology
Mining refers to utilize the natural mineral resource that is worth to exploit with the method such as artificial or mechanical to having.For underground mining, need to dig the tunnel that is led to ore body by the earth's surface, such as vertical shaft, inclined shaft and main shaft etc., wherein, by rising to ground behind the material loading of main shaft with exploitation.
Existing material loads and usually adopts automation control system to realize the automatic loading of material, and automatic loading mainly comprises decides heavy cartridges and two kinds of methods of constant volume loading, and wherein, deciding heavy cartridges is the method for commonplace use.
Decide in the heavy cartridges process, use belt with mass transport to the measure hopper case, again the material in the measure hopper case is loaded into elevator, so by elevator with material lifting to ground.
Existing material loads control system and can automatically control the heavy cartridges process of deciding of above-mentioned material, when adopting the Belt Conveying material, by material transferring metering devices such as uclear scale or belt conveyer scales the material through tape transport is weighed, and with current data Real-time Feedback of weighing to programmable logic controller (PLC) (Programmable Logic Controller, be called for short PLC), to compare through the full value of the measure hopper case of the data of nuclear weigh instrument or belt balance weighing and setting by PLC, when this data of weighing during more than or equal to the full value of measure hopper case, stop feed by PLC sending controling instruction control feeder, then, gate by PLC sending controling instruction control measure hopper case is opened, and the material that automatically will be delivered to the measure hopper case is loaded into elevator.
But, when feeder quits work, conveyer belt still can rotate, and nuclear weigh instrument or belt conveyer scale can only detect the weight through its material, nuclear weigh instrument or belt conveyer scale and feeder have certain distance, when generation stops feeding signal, the weighing data of the current material that detects by nuclear weigh instrument or belt conveyer scale does not comprise the weight of the material between nuclear weigh instrument or belt conveyer scale and the feeder, and this moment, conveyer belt still can be with the given batch box case of the mass transport between nuclear weigh instrument or belt conveyer scale and the feeder, therefore, probably cause the material in the measure hopper case to surpass its full value, namely material is overweight.And, if because feeder fault or maloperation feeder in time do not quit work, the overweight situation of material in the measure hopper case also appears being delivered to possibly.
And, be subjected to the restriction of mining site environment, particularly the environment very severe in load chamber or tunnel also is difficult to guarantee the accuracy of weighing data by uclear scale or belt conveyer scale to weighing through the material of belt transport process, the overweight situation of material also may occur.
And existing material loading control system is Automatic Control, even the overweight situation of material occurs, PLC still can send corresponding control instruction, gate according to this control instruction measure hopper case can be opened, thereby automatically material is loaded in the elevator, elevator also can work on, and this moment, because material is overweight, the actual weight of elevator improving material is strengthened, exceed the original hoisting power of elevator, may therefore cause the elevator electric fixtures to damage, easily cause elevator reversing overwind trouble, brought potential safety hazard for the operation of Hoisting System.
Summary of the invention
The invention provides a kind of mine material loading control method, control device and mine material loading system, material is overweight to be loaded automatically afterwards to material to prevent.
Mine material loading control method provided by the invention comprises:
Detect in real time the current weight for the treatment of loaded material in the quantitative loading device, and the loaded material gravimetric value is treated in generation;
Described when treating the loaded material gravimetric value more than or equal to the first setting threshold when judging, produce and stop the automatic loading signal, and offer the automatic control switch of quantitative loading device, automatically material is loaded into lifting appliance to suppress the quantitative loading device.
The mine material loading control device that the present invention also provides comprises:
LOAD CELLS is arranged at quantitative loading device below, be used for detecting in real time the current weight for the treatment of loaded material of quantitative loading device, and the loaded material gravimetric value is treated in generation;
The first comparison means, link to each other with described LOAD CELLS, be used for when judging described when treating the loaded material gravimetric value more than or equal to the first setting threshold, generation stops the automatic loading signal, and offer the automatic control switch of quantitative loading device, automatically material is loaded into lifting appliance to suppress the quantitative loading device.
The present invention also provides a kind of mine material loading system, comprise conveyer belt, feeder, quantitative loading device and lifting appliance, also comprise control device provided by the invention, described LOAD CELLS is arranged at the below of quantitative loading device, and the first comparison means links to each other with the automatic control switch of quantitative loading device.
The mine material loading control method that the embodiment of the invention provides, stop the automatic loading signal by treating the weight of loaded material in the real-time collection quantitative loading device and comparing to produce, prevent from after loaded material is overweight, still automatically moving and load, can effectively prevent until loaded material is overweight makes the lifting appliance overload operation cause damage to the electric fixtures of lifting appliance because can not in time stopping to load afterwards, avoid causing the generation of lifting appliance reversing overwind trouble, for the safe and highly efficient operation of lifting appliance provides safety guarantee.
Description of drawings
The flow chart of the mine material loading control method that Fig. 1 provides for the embodiment of the invention;
The block diagram of the mine material loading control device that Fig. 2 provides for the embodiment of the invention;
The block diagram of the mine material loading control device that Fig. 3 provides for another embodiment of the present invention;
The schematic diagram of the mine material loading components of system as directed structure that Fig. 4 provides for the embodiment of the invention;
The subprogram instruction ladder diagram of PLC in the mine material loading system that Fig. 5 provides for the embodiment of the invention.
Reference numeral:
The 1-conveyer belt; 2-PLC;
3-the first feeder; 4-the second feeder;
5-the first uclear scale; 6-the second uclear scale;
7-measure hopper case; The 8-LOAD CELLS;
9-measure hopper case gate; 10-the first constant open contact;
11-the second constant open contact; 12-the first current weight of material value;
13-the first compare instruction; 14-the first coil;
15-the second setting threshold; 16-the 3rd constant open contact;
17-the first feed office contact; 18-the first feeder is opened the contact;
19-the first setting threshold; 20-the second coil;
21-measure hopper case gate is opened the contact; 22-the 4th constant open contact;
23-opens the contact in 5 constant virtues; The 24-tertiary coil;
25-the 6th constant open contact; The 26-constant close contact;
28-treats the loaded material gravimetric value; 29-the 7th constant open contact;
30-the 8th constant open contact; 31-the second feed office contact;
32-the first feeder is opened the contact; 33-the second compare instruction;
34-the 3rd compare instruction; 35-the 9th constant open contact;
36-the 4th coil; 37-the first comparison means;
38-material transferring metering device; 39-the second comparison means.
The specific embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
The embodiment of the invention provides a kind of mine material loading control method, the flow chart of the mine material loading control method that Fig. 1 provides for the embodiment of the invention, and as shown in Figure 1, this control method comprises following operation:
Can or comprise the PLC of command adapted thereto or the device as a comparison such as industrial computing hardware by comparison circuit, to treat that loaded material gravimetric value and the first setting threshold compare, when treating the loaded material gravimetric value more than or equal to the first setting threshold, generation stops the automatic loading signal.
The quantitative loading device can be the quantitative loading devices such as measure hopper case or quantitative loading machine, lifting appliance can be the lifting appliances such as elevator or crane, can adopt relay or contactor etc. as the automatic control switch of quantitative loading device, for example, input circuit reception by relay stops the automatic loading signal, and then the gate of the action control quantitative loading device of the contact by output loop can't open automatically, thereby makes the quantitative loading device automatically material is loaded into lifting appliance.Can certainly adopt other forms of automatic control switch to realize that control quantitative loading device can't self-loading purpose, be not limited to the form that the present embodiment provides.
In the mining process, it is with the important step of material lifting to ground that material loads, in the material loading process, usually adopt feeder with material even or quantitative supply conveyer belt from storage bin or other stock device, by conveyer belt with mass transport to the measure hopper case, again the material in the measure hopper case is loaded into elevator, so by elevator with material lifting to ground.
The weight of lifting appliance improving material has certain limit, the payload ratings that can not surpass lifting appliance, namely can not overload, this first setting threshold is set as reference take the payload ratings of lifting appliance usually, can be less than or equal to the payload ratings value of lifting appliance.
The mine material loading control method that the embodiment of the invention provides, detect in real time the current weight for the treatment of loaded material in the quantitative loading device, again this gravimetric value and the first setting threshold are compared, when judging this gravimetric value more than or equal to the first setting threshold, generation stops the automatic loading signal and offers the automatic control switch of quantitative loading device, can't automatically material be loaded into lifting appliance by automatic control switch control quantitative loading device, avoid after loaded material is overweight still that operation is loaded into lifting appliance with material automatically, thereby cause the lifting appliance overload operation.
As shown from the above technical solution, this mine material loading control method, stop the automatic loading signal by treating the weight of loaded material in the real-time collection quantitative loading device and comparing to produce, prevent from after loaded material is overweight, still automatically moving and load, can effectively prevent until loaded material is overweight makes the lifting appliance overload operation cause damage to the electric fixtures of lifting appliance because can not in time stopping to load afterwards, avoid causing the generation of lifting appliance reversing overwind trouble, for the safe and highly efficient operation of lifting appliance provides safety guarantee.
On the basis of above-described embodiment, further, this control method also comprises following operation:
Can detect in real time current weight through the tape transport material and generate current weight of material value by material transferring metering devices such as electronic scale or uclear scales.
When judging current weight of material value and treat that in the loaded material gravimetric value at least one is more than or equal to the second setting threshold, generation stops feeding signal and offers the gauge tap of feeder, stop to supply with material to conveyer belt with the control feeder, and the second setting threshold is less than the first setting threshold.
Can or comprise the PLC of command adapted thereto or the device as a comparison such as industrial computing hardware by comparison circuit, with current weight of material value and treat that loaded material gravimetric value and the second setting threshold compare, when judging current weight of material value and treat that in the loaded material gravimetric value at least one is more than or equal to the second setting threshold, generation stops feeding signal and offers the gauge tap of feeder, stops to supply with material to conveyer belt with the control feeder.
The gauge tap of feeder can adopt relay or contactor etc., for example, input circuit reception by relay stops feeding signal, and then the power supply of feeder is cut off in the action of passing through the contact of output loop, thereby feeder is quit work, and feeder stops to supply with material to conveyer belt.Can certainly adopt other forms of gauge tap to realize the out-of-work purpose of control feeder, be not limited to the form that the present embodiment provides.
The weight that the quantitative loading device takes up material has certain limit, usually can not surpass the payload ratings of quantitative loading device, and this second setting threshold take this payload ratings as with reference to setting, can be less than or equal to the payload ratings value of quantitative loading device usually.
The weight of the material of process material measuring device when the current weight of material value that detects is transmitted material for the employing conveyer belt, treat that the loaded material gravimetric value is the weight that enters the material of quantitative loading device, may there are differences between the two, with current weight of material and treat that loaded material weight compares with the second setting threshold respectively, when current weight of material value or when treating that in the loaded material gravimetric value any one is more than or equal to the second setting threshold, when perhaps two gravimetric values are all more than or equal to the second setting threshold, the capital produces the gauge tap that stops feeding signal and offer feeder, quit work by gauge tap control feeder, feeder stops to supply with material to conveyer belt.
In the present embodiment, the second setting threshold is take the payload ratings of quantitative loading device as reference settings, the first setting threshold is take the payload ratings of lifting appliance as reference settings, this second setting threshold is usually less than the first setting threshold, therefore, gravimetric value by the current convey materials that will detect or treat the loaded material gravimetric value and the second setting threshold compares to produce and stops feeding signal, make feeder stop to supply with material to conveyer belt, conveyer belt also just can not be again with new mass transport to the quantitative loading device, therefore, avoid the quantitative loading device overload to occur, and then make the lifting appliance overload operation after also preventing from the material in the quantitative loading device is loaded into lifting appliance.
The embodiment of the invention also provides a kind of mine material loading control device, the block diagram of the mine material loading control device that Fig. 2 provides for the embodiment of the invention, as shown in Figure 2, this control device comprises LOAD CELLS 8 and the first comparison means 37, and this control device can be carried out the loading control method that the embodiment of the invention provides.
The first comparison means 37 links to each other with LOAD CELLS 8, be used for when judging when treating the loaded material gravimetric value more than or equal to the first setting threshold, generation stops the automatic loading signal and offers the automatic control switch of quantitative loading device, automatically material is loaded into lifting appliance to suppress the quantitative loading device.
The first comparison means can adopt comparison circuit or be provided with the PLC of relevant compare instruction or industrial computing hardware etc.
The mine material loading control device that the present embodiment provides, detect the current weight for the treatment of loaded material by LOAD CELLS, and will treat that by the first comparison means loaded material gravimetric value and the first setting threshold compare, when judging when treating the loaded material gravimetric value more than or equal to the first setting threshold, generation stops the automatic loading signal and offers the automatic control switch of quantitative loading device, can't automatically material be loaded into lifting appliance by automatic control switch control quantitative loading device, avoid after loaded material is overweight still that operation is loaded into lifting appliance with material automatically, thereby cause the lifting appliance overload operation.
And, the weight for the treatment of loaded material in the quantitative loading device is detected the data that obtain by LOAD CELLS more accurate than the data that obtain weighing through the material of belt transport process by uclear scale or belt conveyer scale, thereby provide more accurately data to control device.
As shown from the above technical solution, this mine material loading control device, prevent from automatically loading afterwards until loaded material is overweight, can effectively prevent from the quantitative loading device, after loaded material is overweight, because can not in time stopping to load the lifting appliance overload operation being caused damage to the electric fixtures of lifting appliance, avoid causing the generation of elevator reversing overwind trouble, for the safe and highly efficient operation of lifting appliance provides safety guarantee.
The block diagram of the mine material loading control device that Fig. 3 provides for another embodiment of the present invention as shown in Figure 3, on the basis of above-described embodiment, further, also comprises material transferring metering device 38 and the second comparison means 39 in this control device.
Material transferring metering device 38 is arranged on the conveyer belt and is positioned at along the place ahead of the feeder of conveyer belt rotation direction, is used for detecting in real time current weight through the tape transport material and generating current weight of material value.
The second comparison means 39 links to each other with LOAD CELLS 8 with material transferring metering device 38 respectively, be used for when judge current weight of material value with treat the loaded material gravimetric value at least one during more than or equal to the second setting threshold, generation stops feeding signal and offers the gauge tap of feeder, stop to supply with material to conveyer belt with the control feeder, and the second setting threshold is less than the first setting threshold.
The material transferring metering device can adopt nuclear weigh instrument or belt conveyer scale etc., and the second comparison means can adopt comparison circuit or be provided with the hardware realization of relevant compare instruction, for example, and PLC or industry calculating etc.
Need to prove, above-mentioned the first comparison means and the second comparison means can arrange respectively, also can with can the first comparison means and the second comparison means be integrated in the device, to realize simultaneously above-mentioned function, the module that for example, can in a PLC or industrial computer interlock circuit be set or comprise dependent instruction is to realize simultaneously the function of the first comparison means and the second comparison means.
In the present embodiment, detect in real time weight by the tape transport material to generate current weight of material value by the material transferring metering device, and detect in real time by tape transport to the weight of the material of quantitative loading device and generate and treat the loaded material gravimetric value by LOAD CELLS, the second comparison means can receive respectively current weight of material value and treat the loaded material gravimetric value, and compare with the second setting threshold respectively, the second setting threshold is less than the first setting threshold, when current weight of material value or when treating that in the loaded material gravimetric value any one is more than or equal to the second setting threshold, when perhaps two gravimetric values are all more than or equal to the second setting threshold, the second comparison means all can produce the gauge tap that stops feeding signal and offer feeder, quit work by gauge tap control feeder, feeder stops to supply with material to conveyer belt, conveyer belt also just can not be again with new mass transport to the quantitative loading device, therefore, avoid quantitative loading device overload, make the lifting appliance overload after also having avoided the material in the quantitative loading device is loaded into lifting appliance.
And, the control device that the present embodiment provides, detect the weight of material by material transferring metering device and two kinds of weighing-appliances of LOAD CELLS, can prevent from impacting because of the inaccurate operation to whole control device of weight of material of wherein a kind of weighing-appliance fault fault or detection.
But, when feeder quits work, conveyer belt still can rotate, because the material transferring metering devices such as nuclear weigh instrument or belt conveyer scale can only detect the weight through its material, and material transferring metering device and feeder have certain distance, when generation stops feeding signal, the weight that does not comprise the material between material transferring metering device and the feeder by the current weight of material value of material transferring metering device detection, and this moment, conveyer belt still can be with the mass transport specified rate loading attachment between material transferring metering device and the feeder, therefore, treat in the quantitative loading device that the loaded material gravimetric value can be greater than the second setting threshold, also possibly more than or equal to the first setting threshold.And, if because feeder fault or maloperation feeder in time do not quit work, also may occur being delivered to and treat that the loaded material gravimetric value is more than or equal to the situation of the first setting threshold in the quantitative loading device.
At this moment, can also will treat in the quantitative loading device that loaded material gravimetric value and the first setting threshold compare by the second comparison means, if treat that the loaded material gravimetric value is more than or equal to the first setting threshold, the second comparison means produces and stops the automatic loading signal, control quantitative loading device can't be loaded into material in the lifting appliance automatically, and avoiding after loaded material is overweight still, automatic loading causes the lifting appliance overload operation.
The embodiment of the invention also provides a kind of mine material loading system, this control system comprises conveyer belt, quantitative loading device, lifting appliance and feeder, also comprise the mine material loading control device that the embodiment of the invention provides, LOAD CELLS is arranged at the below of quantitative loading device, and the first comparison means links to each other with the automatic control switch of quantitative loading device.
The control device of this mine material loading system by adopting the embodiment of the invention to provide, can produce the automatic control switch that stops the automatic loading signal and offer the quantitative loading device, can't automatically material be loaded into lifting appliance by automatic control switch control quantitative loading device, avoid after loaded material is overweight, still moving and automatically material is loaded into lifting appliance, thereby cause the lifting appliance overload operation, guarantee the Load System safe operation.
In this Load System, the quantitative loading device can adopt the measure hopper case, and lifting appliance can be elevator, or adopts existing other quantitative loading device and lifting appliances.
Feeder can arrange one or two, and wherein an effect guest machine when two feeders are set, can arrange two material transferring metering devices, and every feeder arranges respectively a material transferring metering device along the place ahead of conveyer belt rotation direction.
Certainly, many feeders and material transferring metering device can be set also, when the feeder that arranges more than two, usually, wherein work of control, other conduct is for subsequent use, when breaking down for one, can control other another feeder work and make the continual running of whole control system.
When the overweight phenomenon of loaded material occurring treating, when Load System can't automatically be controlled material is loaded into lifting appliance, can load by the control mode of manually operation, for example, concrete when mine thing is loaded, when the gate of measure hopper case can't be opened when material is loaded into elevator automatically, can control by manually-operated, unlatching by the in good time control measure hopper case gate of manual control button is set and the size of opening angle, thereby the partial material in the measure hopper case is loaded into elevator, avoids the elevator overload.
Bring the maloperation to the hand door control button when preventing manually-operated, can also arrange in this Load System to load and select button, connect with the hand door control button, only have after pressing loading selection button, could pass through the unlatching of hand door control button control measure hopper case gate.
The subprogram instruction ladder diagram of PLC in the mine material loading system that the schematic diagram of the mine material loading components of system as directed structure that Fig. 4 provides for the embodiment of institute of the present invention, Fig. 5 provide for the embodiment of the invention.
As shown in Figure 4, be provided with at least conveyer belt 1, PLC 2, the first feeder 3 and the second feeder 4, the first uclear scale 5 and the second uclear scale 6, measure hopper case 7 and LOAD CELLS 8 in this Load System.
The first feeder 3 and the second feeder 4 are arranged at respectively conveyer belt 1 top, the first nuclear weigh instrument 5 and the second nuclear weigh instrument 6 are arranged at respectively on the conveyer belt 1, wherein, the first nuclear weigh instrument 5 contiguous the first feeders 3 places arrange, the second nuclear weigh instrument 6 is close to the second feeders 4 places and arranges, and two nuclear weigh instruments can be measured the material of carrying and pass through nuclear weigh instrument by conveyer belt 1.Measure hopper case gate 9 is positioned at measure hopper case 7 belows, and LOAD CELLS 8 is arranged at the below of measure hopper case 7.The first nuclear weigh instrument 5, the second nuclear weigh instrument 6 and LOAD CELLS 8 all link to each other with PLC 2.The first setting threshold in the present embodiment is 3600 kilograms, and the second setting threshold is 2700 kilograms or 2500 kilograms.
Introduce the course of work of this Load System below in conjunction with Fig. 4 and Fig. 5.
PLC programmed instruction figure among Fig. 5 only comprises first compare instruction 13, second compare instruction 33 and the 3rd compare instruction 34, at this, only as example, introduces the course of work of this Load System.
Can realize the first comparison means and the second comparison means function by the first compare instruction 13, the second compare instruction 33 and the 3rd compare instruction 34 that in PLC, arranges in this Load System.
In actual applications, normally feeder work, another when a feeder breaks down, adopts another feeder work as for subsequent use, and three or four feeders can certainly be set, and is not limited to the present embodiment.
When selecting the work of the first feeder, closed the first feeder selector switch, the first constant open contact 10 closures, and closed the first feeder switch, the 3rd constant open contact 16 closures, 3 work of the first feeder, First feeder 3 is supplied with material to conveyer belt 1, can or pass through the in real time detection of two nuclear weigh instruments by the weight of conveyer belt 1 convey materials this moment by the first nuclear weigh instrument 5 or the second nuclear weigh instrument 6, the first nuclear weigh instrument 5 generates the first current weight of material value 12, the second nuclear weigh instrument 6 generates the second current weight of material value, simultaneously by LOAD CELLS 8 detect in real time by conveyer belt 1 be delivered to measure hopper case 7 material weight and generate and treat loaded material gravimetric value 28.
The first current weight of material value 12 that the first nuclear weigh instrument 5 is generated sends to the first compare instruction 13, in real time the first current weight of material value 12 and the second setting threshold 15 are compared by the first compare instruction 13, when the first current weight of material value 12 during more than or equal to the second setting threshold 15, can produce and stop feeding signal, make the first coil 14 get electric, the 6th constant open contact 25 closures, the first feed office contact 17 is set, the first feeder is opened contact 18 and is reset, the first feeder 3 quits work, no longer supply with material to conveyer belt 1, avoid 7 overload of measure hopper case.
Certainly, if the second current weight of material value and the second setting threshold 15 that the second nuclear weigh instrument 6 is generated compare, also need to arrange another compare instruction; Perhaps treat loaded material gravimetric value 28 and the second setting threshold 15 that LOAD CELLS 8 generates will be compared, another compare instruction is set again, its principle and above-mentioned introduce identical are in this just no longer explanation.
In like manner, when selecting the work of the second feeder, closed the second feeder selector switch, the second constant open contact 11 closures, and closed the second feeder switch, the 7th constant open contact 29 closures, 4 work of the second feeder, the second feeder 4 is supplied with material to conveyer belt 1, can detect in real time the weight of passing through conveyer belt 1 convey materials this moment by the second nuclear weigh instrument 6, the second nuclear weigh instrument 6 generates the second current weight of material value, simultaneously by LOAD CELLS 8 detect in real time by conveyer belt 1 be delivered to measure hopper case 7 material weight and generate and treat loaded material gravimetric value 28.
The second current weight of material value that the second nuclear weigh instrument is generated sends to the second compare instruction 33, in real time the second current weight of material value and the second setting threshold 15 are compared by the second compare instruction 33, when the second current weight of material value during more than or equal to the second setting threshold 15, can produce and stop feeding signal, make the first coil 14 get electric, the 8th constant open contact 30 closures, the second feed office contact 31 is set, the second feeder is opened contact 32 and is reset, the second feeder 4 quits work, no longer supply with material to conveyer belt 1, avoid 7 overload of measure hopper case.
And, simultaneously, the 3rd compare instruction 34 is in real time to treating that the gravimetric value 28 of loaded material and the first setting threshold 19 compare in the measure hopper case 7 that detects in real time by LOAD CELLS 8, if treat that the gravimetric value 28 of loaded material is more than or equal to the first setting threshold 19, generation stops the automatic loading signal, make the second coil 20 get electric, constant close contact 26 is opened, making measure hopper case gate open contact 21 can't be set, measure hopper case gate 9 can't be opened automatically, also just can't automatically material be loaded in the elevator.
At this moment, can be by manually operating, realize artificial loading, concrete is to press to load and select button, the 4th constant open contact 22 closures, and the hand door of pressing the measure hopper case is driven control button, contact 23 closures are opened in 5 constant virtues, and tertiary coil 24 gets electric, and PLC control output signal makes measure hopper case gate 9 be opened by control; When needs are closed measure hopper case gate 9, press to load and select button, make the 4th constant open contact 22 closures, and the hand door of pressing the measure hopper case closes control button, the 9th constant open contact 35 closures, the 4th coil 36 electric, PLC control output signal makes measure hopper case gate 9 be closed by control, as seen, can control by manually-operated the switching of measure hopper case gate 9, by artificial realization secure loading.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (12)
1. a mine material loading control method is characterized in that, comprising:
Detect in real time the current weight for the treatment of loaded material in the quantitative loading device, and the loaded material gravimetric value is treated in generation;
Described when treating the loaded material gravimetric value more than or equal to the first setting threshold when judging, produce and stop the automatic loading signal, and offer the automatic control switch of quantitative loading device, automatically material is loaded into lifting appliance to suppress the quantitative loading device.
2. mine material loading control method according to claim 1 is characterized in that, also comprises:
Detect in real time current weight through the tape transport material, and generate current weight of material value;
When judging described current weight of material value and treat that in the loaded material gravimetric value at least one is more than or equal to the second setting threshold, generation stops feeding signal and offers the gauge tap of feeder, stop to supply with material to conveyer belt with the control feeder, and described the second setting threshold is less than described the first setting threshold.
3. mine material loading control method according to claim 2 is characterized in that:
Described the first setting threshold is equal to or less than the payload ratings value of lifting appliance;
Described the second setting threshold is equal to or less than the payload ratings value of quantitative loading device.
4. a mine material loading control device is characterized in that, comprising:
LOAD CELLS is arranged at quantitative loading device below, be used for detecting in real time the current weight for the treatment of loaded material of quantitative loading device, and the loaded material gravimetric value is treated in generation;
The first comparison means, link to each other with described LOAD CELLS, be used for when judging described when treating the loaded material gravimetric value more than or equal to the first setting threshold, generation stops the automatic loading signal, and offer the automatic control switch of quantitative loading device, automatically material is loaded into lifting appliance to suppress the quantitative loading device.
5. mine material loading control device according to claim 4 is characterized in that, also comprises:
The material transferring metering device is arranged on the conveyer belt and is positioned at along the place ahead of the feeder of described conveyer belt rotation direction, is used for detecting in real time current weight through the tape transport material, and generates current weight of material value;
The second comparison means, link to each other with LOAD CELLS with described material transferring metering device respectively, be used for when judge described current weight of material value with treat the loaded material gravimetric value at least one during more than or equal to the second setting threshold, generation stops feeding signal and offers the gauge tap of feeder, stop to supply with material to conveyer belt with the control feeder, and described the second setting threshold is less than the first setting threshold.
6. according to claim 4 or 5 described mine material loading control device, it is characterized in that: described LOAD CELLS is the fluid pressure type LOAD CELLS.
7. mine material loading control device according to claim 5, it is characterized in that: described material transferring metering device is nuclear weigh instrument or belt conveyer scale.
8. mine material loading system, comprise conveyer belt, feeder, quantitative loading device and lifting appliance, it is characterized in that, also comprise control device claimed in claim 1, described LOAD CELLS is arranged at the below of quantitative loading device, and the first comparison means links to each other with the automatic control switch of quantitative loading device.
9. mine material loading according to claim 8 system, it is characterized in that: also comprise the second comparison means in the described control device, described the second comparison means links to each other with the gauge tap of feeder.
10. according to claim 8 or 9 described mine material loading systems, it is characterized in that: described quantitative loading device is the measure hopper case.
11. according to claim 8 or 9 described mine material loading systems, it is characterized in that: described lifting appliance is elevator.
12. according to claim 8 or 9 described mine material loading systems, it is characterized in that: described feeder is two, and wherein one as guest machine, and every feeder arranges respectively a material transferring metering device along the place ahead of described conveyer belt rotation direction.
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| CN115200684A (en) * | 2022-06-06 | 2022-10-18 | 首钢京唐钢铁联合有限责任公司 | Method and device for detecting full load of waste hopper |
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