CN108328354B - 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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- CN108328354B CN108328354B CN201810031918.0A CN201810031918A CN108328354B CN 108328354 B CN108328354 B CN 108328354B CN 201810031918 A CN201810031918 A CN 201810031918A CN 108328354 B CN108328354 B CN 108328354B
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- 238000000034 method Methods 0.000 title claims abstract description 42
- 239000000463 material Substances 0.000 claims abstract description 93
- 238000011897 real-time detection Methods 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims description 9
- 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
- 238000005303 weighing Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000003245 coal Substances 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
- 238000005516 engineering process Methods 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: the first material amount obtained on the weighing-appliance；The feeding flow of bucket wheel described in real-time detection；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 technique
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 guarantee 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 weighing belt and artificial estimation, this is because weighing belt
Installation site have certain distance apart from bucket wheel, some material weighing belt taken is can not to know in reclaiming process
, this just needs manually to estimate this partial material, be limited to the level of different operation personnel, the precision of estimation there is also
Deviation.
Summary of the invention
The purpose of the embodiment of the present invention is that a kind of method and device of control feeding amount for bucket wheel reclaimer is provided, it 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 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 comprises: obtaining the first material amount on the weighing-appliance；The feeding stream of bucket wheel described in real-time detection
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 of bucket wheel described in the real-time detection may include: to be 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 time, 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 time.
Wherein, if described stop feeding according to the feeding flow estimation current time, the bucket wheel reclaimer is subtracting
The third inventory taken during speed may include: to estimate 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, described according to the first material amount, the second material amount, the third inventory and total material to be taken
It may include: when first object amount, the second material amount and the third that amount, which controls the bucket wheel reclaimer to stop feeding,
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 control feeding amount for bucket wheel reclaimer, the bucket are also provided
Taking turns reclaimer includes bucket wheel and weighing-appliance, and material is transported to the conveying equipment to be claimed after being taken by the bucket wheel
Weight, which includes: 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: determining 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 by transmission shaft with bucket wheel.
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 time, 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 time.
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, which is used for so that the method that machine executes the control feeding amount.
Through the above technical solutions, issued 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 of artificial estimation bring error and workload, 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 the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is to further understand for providing to the embodiment of the present invention, and constitute part of specification, under
The specific embodiment in face is used to explain the present invention embodiment 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. 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；
Fig. 3 is the flow chart of the method for control feeding amount according to another embodiment of the present invention；
Fig. 4 is the structural block 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.
Description of symbols
10: obtaining module 20: detection module
21: pressure sensor 22: hydraulic motor
30: determining module 40: control module
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the embodiment of the present invention.It should be understood that this
Locate described specific embodiment and be 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, because there is likely to be material, therefore the total stuff amount that measures of weighing-appliance and being not equal between bucket wheel and weighing
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 dig during speed reducing rotation
Feeding.If only using the inventory that weighing-appliance detects as control benchmark, it will cause feeding amount inaccurate.Of the invention
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, method 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 bucket wheel described in real-time detection.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 is 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 needs to be delivered to weighing by conveying equipment (such as conveyer belt) after being taken by bucket wheel
Equipment, at the time of bucket wheel reclaimer stops turning round, there are also the materials that part is taken to be 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 time, 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 time.
Above-mentioned each unit time can be identical, such as can be 1s, thus, it is possible to real-time detection and record every list
Average feeding flow in the time of position.Each unit time can also be different, for example, can be in real-time detection feeding flow
During, when the amplitude of variation of feeding flow is more than preset range, again to next unit time timing, thus more can
Accurate estimation feeding flow.
Assuming that material by bucket wheel take afterwards the time to needed for being transported to weighing-appliance be T, in reclaiming process, according to
Above-mentioned mathematical expression can real-time estimation on the basis of current time to each unit time T1 retrodicted within time T in the past to Tn's
The sum of feeding amount can be estimated if current time stops feeding, also be 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 that could stop completely after speed reducing rotation process, in order to accurately control actual total feeding amount,
It needs to estimate the third inventory taken during pick-up arm speed reducing rotation.
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 cantilever crane slows down comparatively fast, cantilever crane 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 in another embodiment preferably the following steps are included:
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 making bucket wheel reclaimer stop feeding, pick-up arm passes through
Terminate material extracting operation after speed reducing rotation, thus it enables that actual total material feeding with actually total inventory should be taken to be consistent.
Fig. 4 is the structural block 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: to obtain module 10, for obtaining the first material on the weighing-appliance
Amount；Detection module 20, the feeding flow for bucket wheel described in real-time detection；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 time, 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 time.
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 method for describing control feeding amount of the 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 in conjunction with attached drawing above, still, the embodiment of the present invention is simultaneously
The detail being not limited in 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 scope 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 where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the embodiment of the present invention pair
No further explanation will be given for various combinations of possible ways.
It will be appreciated by those skilled in the art that realizing that all or part of the steps 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 the steps 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 or disk.
In addition, any 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, equally should be considered as disclosure of that of the embodiment of the present invention.
Claims (11)
1. a kind of method of the control feeding amount for bucket wheel reclaimer, which includes bucket wheel and weighing-appliance, object
Material is transported to the weighing-appliance after being taken by the bucket wheel to weigh, which is characterized in that this method comprises:
Obtain the first material amount on the weighing-appliance；
The feeding flow of bucket wheel described in real-time detection；
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. the method according to claim 1, wherein the feeding flow of bucket wheel described in the real-time detection 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 by bucket wheel to material to be transported to from material
Time needed for the weighing-appliance, Ft are the feeding flow in each unit time.
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 the control feeding amount for bucket wheel reclaimer, which includes bucket wheel and weighing-appliance, object
Material is transported to the weighing-appliance after being taken by the bucket wheel to weigh, which is characterized in that the device includes:
Module is obtained, for obtaining the first material amount on the weighing-appliance；
Detection module, the feeding flow for bucket wheel described in real-time detection；
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 also used 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 by bucket wheel to material to be transported to from material
Time needed for the weighing-appliance, Ft are the feeding flow in each unit time.
9. device a method according to any one of claims 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. device a method according to any one of claims 6-8, which is characterized in that the control module is also used 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, which is used for so that machine
Perform claim requires 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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| CN108328354B true CN108328354B (en) | 2019-09-13 |
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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 |
| CN110764476B (en) * | 2019-10-23 | 2020-09-18 | 张占军 | Control method and device |
| CN115655427B (en) * | 2022-10-26 | 2023-04-28 | 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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2234358B1 (en) * | 2002-07-22 | 2006-01-16 | Talleres Daumar, S.A. | AUTOMATIC WEIGHER OF BULK PRODUCTS. |
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| CN101776867A (en) * | 2009-01-14 | 2010-07-14 | 宝山钢铁股份有限公司 | Automatic material taking control device and method of material piling and taking machine |
| JP2011111251A (en) * | 2009-11-25 | 2011-06-09 | Nippon Steel Corp | Reclaimer |
| CN102541060A (en) * | 2012-01-12 | 2012-07-04 | 季永利 | Device and method for determining real-time position of stacker and reclaimer to avoid collision accidents |
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Address after: 100011 Shenhua building, 22 West Binhe Road, Dongcheng District, Beijing Patentee after: China Shenhua Energy Co.,Ltd. Patentee after: Guoneng Huanghua Port Co.,Ltd. Address before: 100011 Shenhua building, 22 West Binhe Road, Dongcheng District, Beijing Patentee before: China Shenhua Energy Co.,Ltd. Patentee before: SHENHUA HUANGHUA PORT Co.,Ltd. |