CN108328354A - The method and device of control feeding amount for bucket wheel reclaimer - Google Patents
The method and device of control feeding amount for bucket wheel reclaimer Download PDFInfo
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- CN108328354A CN108328354A CN201810031918.0A CN201810031918A CN108328354A CN 108328354 A CN108328354 A CN 108328354A CN 201810031918 A CN201810031918 A CN 201810031918A CN 108328354 A CN108328354 A CN 108328354A
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- bucket wheel
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 93
- 238000001514 detection method Methods 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 7
- 230000001133 acceleration Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 6
- 235000013399 edible fruits Nutrition 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/005—Control arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Conveyors (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The present invention relates to feeding control fields, more particularly to the method and device of the control feeding amount for bucket wheel reclaimer.The method of the control feeding amount includes：Obtain the first material amount on the weighing-appliance；The feeding flow of the bucket wheel is detected in real time；Determine that current time is taken by the bucket wheel but is also not delivered to the second material amount of the weighing-appliance according to the feeding flow；If stopping feeding, the third inventory that the bucket wheel reclaimer takes in moderating process according to the feeding flow estimation current time；And according to the first material amount, the second material amount, the third inventory and total inventory should be taken to control the bucket wheel reclaimer stopping feeding.This method and device can accurately control feeding amount, and can improve safety and the efficiency of material extracting operation.
Description
Technical field
The present invention relates to feeding control fields, more particularly to the method and dress of the control feeding amount for bucket wheel reclaimer
It sets.
Background technology
Bucket wheel reclaimer is the high-efficiency appliance that the large bulk material of modernization industry continuously loads and unloads, be widely used in harbour,
The bulk cargos such as harbour, metallurgy, cement, steel plant, coke-oven plant, coal storage plant, power plant (ore, coal, coke, sandstone) store stock ground
Material extracting operation.Bucket wheel reclaimer is by bucket-wheel mechanism, walking mechanism, luffing mechanism, swing mechanism, conveying equipment (such as arm belt)
Composition.When work, material is taken by bucket wheel and is put to arm belt, ground belt is reached by center funnel, is finally sent to terminal.
For bucket wheel reclaimer in operation, each feeding amount is to require to determine by transport, such as determined by cargo plan,
It in order to ensure the safety of shipment, reduces and repeats feeding, feeding tonnage needs close with ship demand as far as possible.Therefore, it takes
Material the accurate of tonnage is very important for production.
In the prior art, the control of feeding tonnage is carried out by belt conveyer scale with artificial estimation, this is because belt conveyer scale
Installation site have a certain distance apart from bucket wheel, some material belt conveyer scale taken is can not to know in reclaiming process
, this just needs manually to estimate this partial material, is limited to the level of different operation personnel, the precision of estimation there is also
Deviation.
Invention content
The purpose of the embodiment of the present invention is to provide a kind of method and device of the control feeding amount for bucket wheel reclaimer, should
Method and device can accurately control feeding amount, and can improve safety and the efficiency of material extracting operation.
To achieve the goals above, the embodiment of the present invention provides a kind of side of the control feeding amount for bucket wheel reclaimer
Method, the bucket wheel reclaimer include bucket wheel and weighing-appliance, material be transported to after being taken by the bucket wheel conveying equipment with
It weighs, this method includes：Obtain the first material amount on the weighing-appliance；The feeding stream of the bucket wheel is detected in real time
Amount；Determine that current time is taken by the bucket wheel but be also not delivered to the of the weighing-appliance according to the feeding flow
Two inventories；If stopping feeding according to the feeding flow estimation current time, the bucket wheel reclaimer is in moderating process
The third inventory taken；And it according to the first material amount, the second material amount, the third inventory and should take total
Inventory controls the bucket wheel reclaimer and stops feeding.
Wherein, the feeding flow for detecting the bucket wheel in real time may include：It is calculated by the following formula the feeding
Flow：F=K × (PI-PO), wherein PIFor the inlet pressure of hydraulic motor, POFor the outlet pressure of hydraulic motor, K is constant,
F is the feeding flow, and the hydraulic motor is connect by transmission shaft with bucket wheel.
Wherein, described to determine that current time is taken by the bucket wheel but is also not delivered to institute according to the feeding flow
The second material amount for stating weighing-appliance may include determining the second material amount according to the following formula：
Wherein, Q2 is the second material amount, and T1 to Tn is every in from the current time to past time of delivery
A unit interval, T1 is to Tn's and is the time of delivery, and the time of delivery is defeated to material to be taken from material by bucket wheel
It send to the time needed for the weighing-appliance, Ft is the feeding flow in each unit interval.
Wherein, if described stop feeding according to the feeding flow estimation current time, the bucket wheel reclaimer is subtracting
The third inventory that takes may include during speed：The third inventory is estimated according to the following formula：
Wherein, Q3 is the third inventory, and Vt is the current rotational speed of the bucket wheel reclaimer, and F1 is the bucket wheel
Current feeding flow, a are the deceleration acceleration of the bucket wheel reclaimer.
Wherein, described according to the first material amount, the second material amount, the third inventory and total material to be taken
Amount controls the bucket wheel reclaimer stopping feeding：When first object amount, the second material amount and the third
The sum of inventory reaches described when should take total inventory, and the bucket wheel reclaimer is made to stop feeding.
According to another aspect of the present invention, a kind of device of the control feeding amount for bucket wheel reclaimer, the bucket are also provided
It includes bucket wheel and weighing-appliance to take turns reclaimer, and material is transported to the conveying equipment to be claimed after being taken by the bucket wheel
Weight, the device include：Acquisition module, for obtaining the first material amount on the weighing-appliance；Detection module, for examining in real time
Survey the feeding flow of the bucket wheel；Determining module is used for：Determine that current time has been dug by the bucket wheel according to the feeding flow
Take but be also not delivered to the second material amount of the weighing-appliance；If stopped according to the feeding flow estimation current time
Feeding, the third inventory that the bucket wheel reclaimer takes in moderating process；And control module, for according to described first
Inventory, the second material amount, the third inventory and total inventory should be taken to control the bucket wheel reclaimer stop feeding.
Wherein, the detection module can be also used for being calculated by the following formula the feeding flow：F=K × (PI-PO),
Wherein, PIFor the inlet pressure of hydraulic motor, POFor the outlet pressure of hydraulic motor, K is constant, and F is the feeding flow, institute
Hydraulic motor is stated to connect with bucket wheel by transmission shaft.
Wherein, the determining module determines the second material amount according to the following formula：
Wherein, Q2 is the second material amount, and T1 to Tn is every in from the current time to past time of delivery
A unit interval, T1 is to Tn's and is the time of delivery, and the time of delivery is defeated to material to be taken from material by bucket wheel
It send to the time needed for the weighing-appliance, Ft is the feeding flow in each unit interval.
Wherein, the determining module estimates the third inventory according to the following formula：
Wherein, Q3 is the third inventory, and Vt is the current rotational speed of the bucket wheel reclaimer, and F1 is the bucket wheel
Current feeding flow, a are the deceleration acceleration of the bucket wheel reclaimer.
Wherein, the control module can be also used for：When first object amount, the second material amount and the third object
The sum of doses reaches described when should take total inventory, and the bucket wheel reclaimer is made to stop feeding.
On the other hand, it the present invention also provides a kind of machine readable storage medium, is stored on the machine readable storage medium
Instruction, the instruction is for so that the method that machine executes the control feeding amount.
Through the above technical solutions, sent out by estimation stop feeding instruction after the material that may get of bucket wheel and by
Take but without the inventory for being sent to weighing-appliance, so as to estimate actual total feeding amount automatically, and then is avoided that
The increase for the error and workload that artificial estimation is brought, and accurately control practical feeding amount.In addition, automatic estimation can also improve
The safety of material extracting operation and operating efficiency.
The other feature and advantage of the embodiment of the present invention will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is further understood to the embodiment of the present invention for providing, an and part for constitution instruction, under
The specific implementation mode in face is used to explain the embodiment of the present invention together, but does not constitute the limitation to the embodiment of the present invention.Attached
In figure：
Fig. 1 is the flow chart of the method for control feeding amount according to an embodiment of the invention；
Fig. 3 is the device for the detection feeding flow applied in the method according to another embodiment of the present invention for controlling feeding amount
Schematic diagram；
Fig. 2 is the flow chart of the method for control feeding amount according to another embodiment of the present invention；
Fig. 4 is the structure diagram of the device of control feeding amount according to an embodiment of the invention；And
Fig. 5 is that one of the relative position of weighing-appliance, bucket wheel and conveying equipment in signal bucket wheel reclaimer is exemplary
Figure.
Reference sign
10：Acquisition module 20：Detection module
21：Pressure sensor 22：Hydraulic motor
30：Determining module 40：Control module
Specific implementation mode
The specific implementation mode of the embodiment of the present invention is described in detail below in conjunction with attached drawing.It should be understood that this
The described specific implementation mode in place is merely to illustrate and explain the present invention embodiment, is not intended to restrict the invention embodiment.
Fig. 5 is that one of the relative position of weighing-appliance, bucket wheel and conveying equipment in signal bucket wheel reclaimer is exemplary
Figure.As shown in figure 5, weighing-appliance is set in conveying equipment, there are a certain distance between bucket wheel and weighing-appliance, even if taking
Material machine stops feeding, there is likely to be material because of bucket wheel and between weighing, therefore the total stuff amount that measures of weighing-appliance and is not equal to
Actual total feeding amount.On the other hand, after stopping feeding, pick-up arm will just stop bucket wheel reclaimer after speed reducing rotation,
In order to protect pick-up arm, bucket wheel does not stop rotating during speed reducing rotation, therefore still can be dug during speed reducing rotation
Feeding.If only using the inventory that weighing-appliance detects as control benchmark, it will cause feeding amount inaccurate.The present invention's
Following embodiment provides a kind of scheme that can accurately control feeding amount.
Fig. 1 is the flow chart of the method for control feeding amount according to an embodiment of the invention.This method is used for bucket wheel feeding
Machine, the bucket wheel reclaimer include bucket wheel and weighing-appliance, material be transported to after being taken by the bucket wheel conveying equipment with
It weighs, as shown in Figure 1, this approach includes the following steps：
In step s 110, the first material amount on the weighing-appliance is obtained.First material amount can be from weighing-appliance
It is directly acquired in weighing results.
In the step s 120, the feeding flow of the bucket wheel is detected in real time.In reclaiming process, feeding flow and bucket wheel pressure
Between there are linear relationship, thus feeding flow can be true according to the outlet pressure and inlet pressure of the hydraulic motor of driving bucket wheel
It is fixed.
Fig. 2 is the device for the detection feeding flow applied in the method according to another embodiment of the present invention for controlling feeding amount
Schematic diagram.In Fig. 2, it is respectively arranged with pressure sensor 21 in the entrance and exit of hydraulic motor 22, to detect outlet pressure
And inlet pressure, hydraulic motor 22 are connect by transmission shaft with bucket wheel, to drive bucket wheel to rotate.Feeding flow can according to the following formula really
It is fixed：F=K × (PI-PO), wherein PIFor the inlet pressure of hydraulic motor, POFor the outlet pressure of hydraulic motor, K is constant, F
For the feeding flow.
In step s 130, determine that current time is taken by the bucket wheel but do not conveyed also according to the feeding flow
To the second material amount of the weighing-appliance.Material is needed to be delivered to by conveying equipment (such as conveyer belt) after by bucket wheel being taken and be weighed
Equipment, at the time of bucket wheel reclaimer stops turning round, the material that also part is taken is not delivered to weighing-appliance.For standard
Actual total feeding amount is really controlled, needs to estimate the partial material (i.e. second material amount).
In a preferred embodiment, second material amount can be estimated according to the following formula：
Wherein, Q2 is the second material amount, and T1 to Tn is every in from the current time to past time of delivery
A unit interval, T1 is to Tn's and is the time of delivery, and the time of delivery is defeated to material to be taken from material by bucket wheel
It send to the time needed for the weighing-appliance, Ft is the feeding flow in each unit interval.
Above-mentioned each unit interval can be identical, such as can be 1s, thus, it is possible to detect in real time and record every list
Average feeding flow in the time of position.Each unit interval can also be different, for example, can be in detection feeding flow in real time
During, when the amplitude of variation of feeding flow is more than preset range, again to next unit interval timing, thus more can
Accurate estimation feeding flow.
Assuming that it is T to the time being transported to needed for weighing-appliance that material is taken afterwards by bucket wheel, in reclaiming process, according to
Above-mentioned mathematical expression can real-time estimation on the basis of current time to each unit interval T1 retrodicted in the past within time T to Tn's
The sum of feeding amount, you can if estimation current time stops feeding, be also not delivered to the second material amount of weighing-appliance.
In step S140, if stopping feeding, the bucket wheel reclaimer according to the feeding flow estimation current time
The third inventory taken in moderating process.For bucket wheel reclaimer after assigning stopping feeding instruction, pick-up arm usually will not horse
Upper stopping revolution, but need by could stop completely after speed reducing rotation process, in order to accurately control actual total feeding amount,
The third inventory to taking during pick-up arm speed reducing rotation is needed to estimate.
In another preferred embodiment, third inventory can be estimated according to the following formula：
Wherein, Q3 is the third inventory, and Vt is the current rotational speed of the bucket wheel reclaimer, and F1 is the bucket wheel
Current feeding flow, a are the deceleration acceleration of the bucket wheel reclaimer.Since arm support slows down comparatively fast, arm support can be ignored
Rotational speed reduces the influence to feeding flow, it is assumed that rotational speed during entire speed reducing rotation is equal to current return
Rotary speed is estimated.
In step S150, according to the first material amount, the second material amount, the third inventory and it should take total
Inventory controls the bucket wheel reclaimer and stops feeding.
Fig. 3 is the flow chart of the method for control feeding amount according to another embodiment of the present invention.As shown in figure 3, above-mentioned step
Rapid S150 preferably includes the following steps in another embodiment：
In step S350, total object should be taken by judging whether the sum of the first object amount, second material amount and third inventory reach
Doses.
In step S360, when the sum of first object amount, the second material amount and described third inventory reach institute
It states when should take total inventory, the bucket wheel reclaimer is made to stop feeding.After so that bucket wheel reclaimer is stopped feeding, pick-up arm passes through
Terminate material extracting operation after speed reducing rotation, thus enable that actual total material feeding and actually total inventory should be taken to be consistent.
Fig. 4 is the structure diagram of the device of control feeding amount according to an embodiment of the invention.The device takes for bucket wheel
Material machine, the bucket wheel reclaimer include bucket wheel and weighing-appliance, and material is transported to the conveying equipment after being taken by the bucket wheel
To weigh, as shown in figure 4, the device includes：Acquisition module 10, for obtaining the first material on the weighing-appliance
Amount；Detection module 20, the feeding flow for detecting the bucket wheel in real time；Determining module 30, is used for：According to the feeding flow
Determine that current time is taken by the bucket wheel but is also not delivered to the second material amount of the weighing-appliance；It is taken according to described
If expecting that flow estimation current time stops feeding, the third inventory that the bucket wheel reclaimer takes in moderating process；With
And control module 40, for according to the first material amount, the second material amount, the third inventory and total material should to be taken
Amount controls the bucket wheel reclaimer and stops feeding.
In a preferred embodiment, the detection module can be also used for being calculated by the following formula the feeding flow：F
=K × (PI-PO), wherein PIFor the inlet pressure of hydraulic motor, POFor the outlet pressure of hydraulic motor, K is constant, and F is institute
Feeding flow is stated, the hydraulic motor is connect by transmission shaft with bucket wheel.
In another preferred embodiment, the determining module determines the second material amount according to the following formula：
Wherein, Q2 is the second material amount, and T1 to Tn is every in from the current time to past time of delivery
A unit interval, T1 is to Tn's and is the time of delivery, and the time of delivery is defeated to material to be taken from material by bucket wheel
It send to the time needed for the weighing-appliance, Ft is the feeding flow in each unit interval.
In another preferred embodiment, the determining module estimates the third inventory according to the following formula：
Wherein, Q3 is the third inventory, and Vt is the current rotational speed of the bucket wheel reclaimer, and F1 is the bucket wheel
Current feeding flow, a are the deceleration acceleration of the bucket wheel reclaimer.
In another preferred embodiment, the control module can be also used for：When first object amount, the second material
Amount and the sum of the third inventory reach described when should take total inventory, and the bucket wheel reclaimer is made to stop feeding.
Content in the embodiment of the method for the control feeding amount of the description present invention is applied equally to control feeding amount
Device, be not repeated to describe herein.
The optional embodiment of the embodiment of the present invention is described in detail above in association with attached drawing, still, the embodiment of the present invention is simultaneously
The detail being not limited in the above embodiment can be to of the invention real in the range of the technology design of the embodiment of the present invention
The technical solution for applying example carries out a variety of simple variants, these simple variants belong to the protection domain of the embodiment of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the embodiment of the present invention pair
Various combinations of possible ways no longer separately illustrate.
It will be appreciated by those skilled in the art that realizing that all or part of step in above-described embodiment device is can to pass through
Program is completed to instruct relevant hardware, which is stored in a storage medium, including some instructions are used so that single
Piece machine, chip or processor (processor) execute all or part of step of each embodiment described device of the application.And it is preceding
The storage medium stated includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory
The various media that can store program code such as (RAM, Random Access Memory), magnetic disc or CD.
In addition, arbitrary combination can also be carried out between a variety of different embodiments of the embodiment of the present invention, as long as it is not
The thought of the embodiment of the present invention is violated, disclosure of that of the embodiment of the present invention is equally should be considered as.
Claims (11)
1. a kind of method of control feeding amount for bucket wheel reclaimer, which includes bucket wheel and weighing-appliance, object
Material is transported to the conveying equipment to weigh after being taken by the bucket wheel, which is characterized in that this method includes：
Obtain the first material amount on the weighing-appliance；
The feeding flow of the bucket wheel is detected in real time；
Determine that current time is taken by the bucket wheel but is also not delivered to the weighing-appliance according to the feeding flow
Second material amount；
If stopping feeding according to the feeding flow estimation current time, what the bucket wheel reclaimer took in moderating process
Third inventory；And
According to the first material amount, the second material amount, the third inventory and total inventory should be taken to control the bucket
It takes turns reclaimer and stops feeding.
2. according to the method described in claim 1, it is characterized in that, the feeding flow for detecting the bucket wheel in real time includes：
It is calculated by the following formula the feeding flow：F=K × (PI-PO), wherein PIFor the inlet pressure of hydraulic motor, POFor
The outlet pressure of hydraulic motor, K are constant, and F is the feeding flow, and the hydraulic motor is connect by transmission shaft with bucket wheel.
3. according to the method described in claim 2, it is characterized in that, it is described according to the feeding flow determine current time by
The second material amount that the bucket wheel takes but be also not delivered to the weighing-appliance includes：
The second material amount is determined according to the following formula：
Wherein, Q2 is the second material amount, and T1 to Tn is each list in from the current time to past time of delivery
The position time, T1 is to Tn's and is the time of delivery, and the time of delivery is to be taken to material to be transported to by bucket wheel from material
Time needed for the weighing-appliance, Ft are the feeding flow in each unit interval.
4. method according to any one of claim 1-3, which is characterized in that it is described according to the feeding flow estimation such as
Fruit current time stops feeding, and the third inventory that the bucket wheel reclaimer takes in moderating process includes：
The third inventory is estimated according to the following formula：
Wherein, Q3 is the third inventory, and Vt is the current rotational speed of the bucket wheel reclaimer, and F1 is that the bucket wheel is current
Feeding flow, a be the bucket wheel reclaimer deceleration acceleration.
5. method according to any one of claim 1-3, which is characterized in that described according to the first material amount, institute
It states second material amount, the third inventory and total inventory should be taken to control the bucket wheel reclaimer stopping feeding and include：
When the sum of first object amount, the second material amount and described third inventory reach it is described should take total inventory when,
The bucket wheel reclaimer is set to stop feeding.
6. a kind of device of control feeding amount for bucket wheel reclaimer, which includes bucket wheel and weighing-appliance, object
Material is transported to the conveying equipment to weigh after being taken by the bucket wheel, which is characterized in that the device includes：
Acquisition module, for obtaining the first material amount on the weighing-appliance；
Detection module, the feeding flow for detecting the bucket wheel in real time；
Determining module is used for：
Determine that current time is taken by the bucket wheel but is also not delivered to the weighing-appliance according to the feeding flow
Second material amount；
If stopping feeding according to the feeding flow estimation current time, what the bucket wheel reclaimer took in moderating process
Third inventory；And
Control module, for according to the first material amount, the second material amount, the third inventory and total material should to be taken
Amount controls the bucket wheel reclaimer and stops feeding.
7. device according to claim 6, which is characterized in that the detection module is additionally operable to：
It is calculated by the following formula the feeding flow：F=K × (PI-PO), wherein PIFor the inlet pressure of hydraulic motor, POFor
The outlet pressure of hydraulic motor, K are constant, and F is the feeding flow, and the hydraulic motor is connect by transmission shaft with bucket wheel.
8. device according to claim 7, which is characterized in that the determining module determines the second material according to the following formula
Amount：
Wherein, Q2 is the second material amount, and T1 to Tn is each list in from the current time to past time of delivery
The position time, T1 is to Tn's and is the time of delivery, and the time of delivery is to be taken to material to be transported to by bucket wheel from material
Time needed for the weighing-appliance, Ft are the feeding flow in each unit interval.
9. according to the device described in any one of claim 6-8, which is characterized in that the determining module estimates institute according to the following formula
State third inventory：
Wherein, Q3 is the third inventory, and Vt is the current rotational speed of the bucket wheel reclaimer, and F1 is that the bucket wheel is current
Feeding flow, a be the bucket wheel reclaimer deceleration acceleration.
10. according to the device described in any one of claim 6-8, which is characterized in that the control module is additionally operable to：
When the sum of first object amount, the second material amount and described third inventory reach it is described should take total inventory when,
The bucket wheel reclaimer is set to stop feeding.
11. a kind of machine readable storage medium, it is stored with instruction on the machine readable storage medium, the instruction is for so that machine
Perform claim requires the method described in any one of 1-5.
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| CN201810031918.0A CN108328354B (en) | 2018-01-12 | 2018-01-12 | The method and device of control feeding amount for bucket wheel reclaimer |
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| CN201810031918.0A CN108328354B (en) | 2018-01-12 | 2018-01-12 | The method and device of control feeding amount for bucket wheel reclaimer |
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| CN110239968B (en) * | 2019-06-21 | 2021-08-24 | 中冶赛迪重庆信息技术有限公司 | Real-time flow control method and system for scraper reclaimer |
| CN110764476A (en) * | 2019-10-23 | 2020-02-07 | 张占军 | Control method and device |
| CN115655427A (en) * | 2022-10-26 | 2023-01-31 | 上海冉青信息技术有限公司 | Material breaking and weighing automatic control method for material taking and loading process |
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