CN110255223A - A kind of coal intelligent self-service loading system and coal loading method - Google Patents
A kind of coal intelligent self-service loading system and coal loading method Download PDFInfo
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- CN110255223A CN110255223A CN201910703245.3A CN201910703245A CN110255223A CN 110255223 A CN110255223 A CN 110255223A CN 201910703245 A CN201910703245 A CN 201910703245A CN 110255223 A CN110255223 A CN 110255223A
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- 239000003245 coal Substances 0.000 title claims abstract description 146
- 238000011068 loading method Methods 0.000 title claims abstract description 44
- 238000003860 storage Methods 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims abstract description 6
- 238000004364 calculation method Methods 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims description 4
- 230000006698 induction Effects 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 2
- 238000012790 confirmation Methods 0.000 claims 1
- 230000007306 turnover Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002817 coal dust Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000005067 remediation Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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
- B65G67/00—Loading or unloading vehicles
- B65G67/02—Loading or unloading land vehicles
- B65G67/04—Loading land vehicles
- B65G67/06—Feeding articles or materials from bunkers or tunnels
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The present invention discloses a kind of coal intelligent self-service loading system, including self-service card access device, license plate recognition device, PLC controller and entrucking unit, and license plate recognition device is located at the inlet of coal bunker storage area, and self-service card access device is located at the road side before inlet.The lower section of coal bunker is equipped with entrucking unit, and entrucking unit includes the first electronic loadometer, the second electronic loadometer, card reader, camera and display screen, and the first electronic loadometer is arranged on the road into before coal bunker.Second electronic loadometer is located at the underface of coal bunker mouth, and the signal end of the first electronic loadometer and the second electronic loadometer is connected with PLC controller communication respectively.Card reader is located at the side of the second electronic loadometer, and is electrically connected with PLC controller.The present invention discloses also a kind of coal loading method.High degree of automation of the present invention, revocation put storehouse work post, save labour turnover, and improve operating environment, and highly-safe, loading speed is fast, high-efficient, control accurately Weight Loaded, prevent overloading.
Description
Technical field
The present invention relates to coal loading technical fields, and in particular to a kind of coal intelligent self-service loading system and coal loading
Method.
Background technique
After the coal product of mine centralized production processing at present, product is transported in each coal bunker and is stored, wait assign
After marketing plan, tissue coal shipping, in shipping process, each coal bunker, which is put warehouse and need to be equipped with, puts storehouse work, You Fangcang work operation dress
Coal measures system, commander's transport driver's forward-reverse, cooperates and completes truck fill flow.In the presence of needing to put, storehouse work is more, operating environment
The unfavorable factors such as arduous and transporting coal driver communication and coordination inconvenience realize personnel reduction and enlargement, raising coal to accelerate new and old kinetic energy conversion
Charcoal shipping service is horizontal, studies the self-service loading system of coal product.
Original coal loading process are as follows: haulage vehicle is stopped at coal bunker by 1. Coal Transport drivers (hereinafter referred to as driver)
Outside is lined up entrucking.2. under vehicle row to storehouse, driver gets off to warehouse is put inside coal bunker, will mention coal card and gives and put storehouse work, puts storehouse
Work, which is swiped the card, confirms the information such as coal, vehicle.3. after information is errorless, in the case where putting the guidance of storehouse work, hitting exactly ground for vehicle row to coal dropping port
Point.4. putting the starting of storehouse work to coaling system, starting to coaling, puts storehouse work and rationally to control and put coal speed, observation compartment is coaling situation, to
Car parts reach the state of filling under coal dropping port, put storehouse work and prompt driver to mention vehicle by loudspeaker or electric bell, continue load wagon
Compartment further part, when putting that metering tonnage reaches predetermined value under storehouse work observation storehouse, bin device is put in closing, by propagandaing directed to communicate or long electricity
Bell notifies driver has loaded to finish, and vehicle is driven out to coal bunker, and car loading operation is completed.
Following problem existing for original coal loading process:
1, since coal is more, coal bunker is more, need to put storehouse personnel more, simultaneously because each coal yield have it is more again
It is few, it needs to fix people's whole day under some storehouses and is responsible for entrucking, some puts storehouse work and needs to be responsible for 2 coal bunker entruckings, needs in coal bunker
Between intersect entrucking of running, increase workload.
2, warehouse being put in current coal bunker and being essentially glass sentry box, summer is sultry, and winter is cold, and coal dust is more, operating environment
Difference.When putting storehouse, needs to stretch out head outside window, observe coaling situation and vehicle driving situation, there are higher risk.
3, during entrucking, truck-loading facilities, haulage vehicle and coal yard environmental noise are larger, put storehouse work and driver propagandas directed to communicate communication
There is certain difficulty, emergency situations may be caused, it is difficult to increase entrucking.
4, driver is during entrucking, and to entrucking situation there are blind spot, the instruction of storehouse work is put in the receiving that can only not move, and is made
Industry.
5, since environmental protection and traffic overload remediation limit ton influence, harsher to Weight Loaded requirement, loading is too many, does not meet friendship
Logical overload remediation limits ton, loads very little, transportation cost increase.Entire entrucking weight, is controlled by putting storehouse work substantially, before putting storehouse, puts storehouse work
Need to record vehicle tare weight, when loading wants the moment to pay attention to gross weight quantity.Due to artificially calculating the influence with reaction speed, weight is reprinted
It is larger to measure error, appraises and decides weight beyond loading and needs to unload overweight part, deficiency, which loads, appraises and decides weight needs twice loading again.
While increasing workload, coal shipping speed and efficiency are influenced.
Summary of the invention
In view of the above shortcomings of the prior art, an object of the present invention is to provide a kind of coal intelligent self-service entrucking systems
System solves existing entrucking mode and needs to put that storehouse work is more, and large labor intensity, high labor cost, operating environment is poor, and there are one for operation
Fixed security risk, loading speed is slow, low efficiency, and there is the problems such as being difficult to control accurately to Weight Loaded.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the invention is that:
A kind of coal intelligent self-service loading system, including self-service card access device, license plate recognition device, PLC controller and set
The inlet of coal bunker storage area, self-service card access device is arranged in entrucking unit below coal bunker, the license plate recognition device
Vehicle is set into the road side before the inlet.An entrucking unit, entrucking list are provided with below each coal bunker
Member includes the first electronic loadometer, the second electronic loadometer, card reader, camera and display screen, the first electronic loadometer setting
On entering the road before corresponding coal bunker.The underface of coal bunker mouth, the first electronic loadometer and second is arranged in second electronic loadometer
The signal end of electronic loadometer is connected with PLC controller communication respectively.Card reader is located at the side of the second electronic loadometer, and and PLC
Controller electrical connection.The top of the second electronic loadometer is arranged in by steelframe for camera, and the camera is electrically connected with display screen
It connects.
Preferably, license plate recognition device and self-service card access device are electrically connected with PLC controller respectively, and license plate recognition device will
Information of vehicles is transmitted to PLC controller, and the information of coal card is transmitted to PLC controller by self-service card access device.
Preferably, it is provided on the self-service card access device and the one-to-one key of coal quantity, self-service card access device
On be additionally provided with out bayonet and clamping telescoping mechanism.
Preferably, it is provided on the bottom coal bunker mouth of the coal bunker and puts bin device, the cabin device of putting includes electric hydaulic
The signal end of cylinder, the electrohydraulic cylinder is electrically connected with PLC controller.
Preferably, car position when direction face vehicle parking to the second electronic loadometer of camera shows screen position
In the front of the second electronic loadometer.The side of second electronic loadometer is provided with weight calculation display screen, counts weight display screen and PLC
Controller electrical connection.
Preferably, the side of the card reader is provided with column, is provided at the top of column and puts bin device for controlling
Touch control flow, touch control flow are electrically connected with PLC controller.
Preferably, the card reader is induction type card reader.
It is another object of the present invention to propose a kind of coal loading method.
A kind of coal loading method is included the following steps: using a kind of above-mentioned coal intelligent self-service loading system
Step 1, the inlet of driver driving vehicle driving to coal bunker storage area, presses entrucking on self-service card access device
The corresponding button of coal, self-service card access device go out bayonet discharge coal card, driver's card taking.Meanwhile license plate recognition device reads vehicle
License board information, driver driving vehicle enters coal bunker storage area.
Step 2, firstly, stopping behind the top of vehicle the first electronic loadometer of arrival, the first electronic loadometer weighs vehicle entrucking
Preceding gross weight weight, and transfer data to PLC controller.Later, vehicle driving to wanted entrucking coal bunker underface, vehicle
It stops on the second electronic loadometer.
Step 3, the hand-held coal of driver, which is stuck in card reader, swipes the card, and card reader sends information to PLC controller, PLC controller
Confirm whether the coal of information of vehicles and coal bunker is consistent.After confirming that information of vehicles is consistent with the coal of coal bunker, PLC controller is sent
Touch control flow is opened in instruction.
Step 4 after driver presses touch control flow, puts bin device unlatching, and the coal in coal bunker is dropped down onto compartment, carried out
Entrucking.During entrucking, driver adjusts compartment and coal bunker bottom coal according to situation of coalingging in compartment, front and back is observed on display screen
The relative position of Hatch Opening.
Step 5, during entrucking, the second electronic loadometer sends weighing in real time and is worth to PLC controller, and PLC controller is automatic
The efficient loading amount of accounting, when efficient loading amount reaches setting value, PLC controller sends instruction closing and puts bin device, completes dress
Coal.After the completion of coalingging, counts weight and show actual weight of load on display screen, driver driving vehicle sails out of coal bunker.
By using above-mentioned technical proposal, the method have the benefit that: loading system disclosed by the invention can be with
Realize that full tunnel is coaling simultaneously under coal bunker, loading speed improves 200% or more.Driver by interesting to listen to instruction entrucking from being become actively seeing
Screen entrucking is examined, entrucking efficiency improves 40% or more, accurately controls Weight Loaded, effectively avoid secondary unloading and charging ratio.
It realizes each coal bunker decentralization storehouse work person of removing, reduces cost of labor, each coal bunker saves about 100,000 yuan of cost of labor every year, effectively shuts out
The phenomenon that exhausted entrucking overload, guarantee driving safety.
Detailed description of the invention
Fig. 1 is a kind of principle schematic diagram of coal intelligent self-service loading system of the present invention.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawing:
Embodiment 1, in conjunction with Fig. 1, a kind of coal intelligent self-service loading system, including self-service card access device 1, Car license recognition dress
Coal bunker storage area is arranged in the entrucking unit 4 setting 2, PLC controller 3 and being located at below coal bunker, the license plate recognition device 2
Vehicle is arranged in into the road side before the inlet in inlet, self-service card access device 1.On the self-service card access device 1
It is provided with and the one-to-one key of coal quantity, the Sign Board of the corresponding coal in the lower section of each key, self-service card taking
Device 1 is located at the side of each Sign Board, is provided with one and goes out bayonet and go out the corresponding clamping telescopic machine of bayonet with this
Structure.License plate recognition device 2 and self-service card access device 1 are electrically connected with PLC controller 3 respectively, and license plate recognition device 2 is by information of vehicles
It is transmitted to PLC controller 3, the information of coal card is transmitted to PLC controller 3 by self-service card access device 1.
An entrucking unit 4 is provided with below each coal bunker, entrucking unit 4 includes first the 41, second electricity of electronic loadometer
Sub- weighbridge 42, card reader 43, camera 44 and display screen 45, the setting of the first electronic loadometer 41 is before entering corresponding coal bunker
Road on.Second electronic loadometer 42 is mounted on the road surface immediately below coal bunker mouth, and driver can open vehicle to second electronically
On pound 42, the signal end of the first electronic loadometer 41 and the second electronic loadometer 42 is connected with the communication of PLC controller 3 respectively, the first electricity
Weighing value to vehicle can be sent to PLC controller 3 by sub- weighbridge 41 and the second electronic loadometer 42, and PLC controller 3 can pass through meter
Calculate to the weight actually coaling.It is provided on the bottom coal bunker mouth of the coal bunker and puts bin device 5, the bin device 5 of putting includes
Electrohydraulic cylinder, the mechanical part that bin device 5 is put in electrohydraulic cylinder driving realize the opening and closing of coal bunker mouth, the electronic liquid
The signal end of cylinder pressure is electrically connected with PLC controller 3.
The card reader 43 is induction type card reader, and card reader 43 is located at the side of the second electronic loadometer 42, and controls with PLC
Device 3 processed is electrically connected.The side of the card reader 43 is provided with column, is provided at the top of column and puts bin device 5 for controlling
Touch control flow 47, touch control flow 47 are electrically connected with PLC controller 3, and driver, which stretches out hand outside vehicle window, can pass through touch
Formula control flow 47 controls coal bunker mouth and opens and closes, and during coalingging, driver closes vehicle window, prevents coal dust from entering driver's cabin, protects
Hinder the healthy and safe of driver.
The top of the second electronic loadometer 42 is arranged in by steelframe for camera 44, and camera 44 is electrically connected with the card reader 43
It connects, after the success of 43 card reading of card reader, sends a signal to the start-up operation of camera 44, the camera 44 is electrically connected with display screen 45
It connects, the picture that camera 44 is shot is presented in real time on display screen 45.The direction face vehicle parking of camera 44 is to second
Car position when electronic loadometer 42, display screen 45 are located at the front of the second electronic loadometer 42.Second electronic loadometer
42 side is provided with weight calculation display screen 46, and weight calculation display screen 46 is electrically connected with PLC controller 3.
Embodiment 2, in conjunction with Fig. 1, a kind of coal loading method, using a kind of coal intelligent self-service described in embodiment 1
Loading system comprising following steps: step 1, the inlet of driver driving vehicle driving to coal bunker storage area are pressed certainly
Help the corresponding button of entrucking coal on card access device 1, self-service card access device 1 goes out bayonet discharge coal card, and driver is from card taking.Together
When, license plate recognition device 2 reads the license board information of vehicle, and driver driving vehicle enters coal bunker storage area.
Step 2, firstly, stopping behind the top of vehicle the first electronic loadometer 41 of arrival, the first electronic loadometer 41 weighs vehicle
Gross weight weight before entrucking, and transfer data to PLC controller 3.Later, vehicle driving to wanted entrucking coal bunker just under
Side, vehicle stop on the second electronic loadometer 42.
Step 3, the hand-held coal of driver, which is stuck in card reader 43, swipes the card, and card reader 43 sends information to PLC controller 3, PLC
Controller 3 confirms whether the coal of information of vehicles and coal bunker is consistent.When card reader 43 cannot identify coal card, illustrate the coal of entrucking
Inconsistent with the coal of coal bunker storage, card reader 43 not will start the operation of entrucking unit 4, and driver need to drive to find and deposit with coal card
Put the consistent coal bunker of coal.After confirming that information of vehicles is consistent with the coal of coal bunker, it is touch that PLC controller 3 sends instruction unlatching
Control flow 47, meanwhile, card reader 43 sends a command to camera 44, and camera 44 and display screen 45 are started to work, Si Jitong
The picture for crossing display screen 45 determines stand of the vehicle on the second electronic loadometer 42.
Step 4, after driver presses touch control flow 47, touch control flow 47 sends a signal to PLC controller 3,
PLC controller 3 puts the mechanical part of bin device 5 by electrohydraulic cylinder driving, realizes the unlatching of coal bunker mouth, and the coal in coal bunker is fallen
To compartment, entrucking is carried out.During entrucking, driver adjusts according to situation of coalingging in compartment, front and back is observed on display screen 45
Coal bunker mouth position of the compartment relative to coal bunker bottom.
Step 5, during entrucking, the second electronic loadometer 42 sends weighing in real time and is worth to PLC controller 3, PLC controller 3
Automatically the efficient loading amount calculated, when efficient loading amount reaches setting value, PLC controller 3 sends instruction closing and puts bin device 5,
Completion is coaling.It after the completion of coalingging, counts weight and shows actual weight of load on display screen 46, driver driving vehicle sails out of coal bunker, weight calculation
Numerical value zero on display screen 46, while PLC controller 3 controls camera 44 by card reader 43 and display screen 45 is closed.
The part that do not address in the present invention uses or uses for reference prior art and can be realized.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relatively important
Property.
Certainly, the above description is not a limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the technical staff in domain is made within the essential scope of the present invention also should belong to of the invention
Protection scope.
Claims (8)
1. a kind of coal intelligent self-service loading system, which is characterized in that including self-service card access device, license plate recognition device, PLC control
Device processed and the entrucking unit being located at below coal bunker, the inlet of coal bunker storage area is arranged in the license plate recognition device, self-service
Vehicle is arranged in into the road side before the inlet in card access device；An entrucking list is provided with below each coal bunker
Member, entrucking unit include the first electronic loadometer, the second electronic loadometer, card reader, camera and display screen, first electronics
Weighbridge is arranged in on the road before corresponding coal bunker；The underface of coal bunker mouth is arranged in second electronic loadometer, and first electronically
The signal end of pound and the second electronic loadometer is connected with PLC controller communication respectively；Card reader is located at the side of the second electronic loadometer,
And it is electrically connected with PLC controller；The top of the second electronic loadometer, the camera and display screen are arranged in by steelframe for camera
Curtain electrical connection.
2. a kind of coal intelligent self-service loading system according to claim 1, which is characterized in that license plate recognition device and from
Card access device is helped to be electrically connected respectively with PLC controller, information of vehicles is transmitted to PLC controller by license plate recognition device, self-service to take
The information of coal card is transmitted to PLC controller by card device.
3. a kind of coal intelligent self-service loading system according to claim 1, which is characterized in that the self-service card access device
On be provided with the one-to-one key of coal quantity, bayonet and clamping telescoping mechanism are additionally provided with out on self-service card access device.
4. a kind of coal intelligent self-service loading system according to claim 1, which is characterized in that the bottom coal of the coal bunker
It is provided on Hatch Opening and puts bin device, the cabin device of putting includes electrohydraulic cylinder, and the signal end and PLC of the electrohydraulic cylinder are controlled
Device electrical connection processed.
5. a kind of coal intelligent self-service loading system according to claim 1, which is characterized in that the direction face of camera
Car position when vehicle parking to the second electronic loadometer, display screen are located at the front of the second electronic loadometer；Described second
The side of electronic loadometer is provided with weight calculation display screen, and weight calculation display screen is electrically connected with PLC controller.
6. a kind of coal intelligent self-service loading system according to claim 4, which is characterized in that the side of the card reader
It is provided with column, is provided at the top of column for controlling the touch control flow for putting bin device, touch control flow and PLC are controlled
Device electrical connection processed.
7. a kind of coal intelligent self-service loading system according to claim 1, which is characterized in that the card reader is induction
Formula card reader.
8. a kind of coal loading method, using a kind of coal intelligent self-service entrucking system as claimed in any one of claims 1 to 7
System, which comprises the steps of:
Entrucking coal on self-service card access device is pressed in step 1, the inlet of driver driving vehicle driving to coal bunker storage area
Corresponding button, self-service card access device go out bayonet discharge coal card, driver's card taking；Meanwhile license plate recognition device reads vehicle
License board information, driver driving vehicle enter coal bunker storage area；
Step 2, firstly, stopping behind the top of vehicle the first electronic loadometer of arrival, before the first electronic loadometer weighs vehicle entrucking
Gross weight weight, and transfer data to PLC controller；Later, vehicle driving to wanted entrucking coal bunker underface, vehicle stops
Only on the second electronic loadometer；
Step 3, the hand-held coal of driver, which is stuck in card reader, swipes the card, and card reader sends information to PLC controller, PLC controller confirmation
Whether the coal of information of vehicles and coal bunker is consistent；After confirming that information of vehicles is consistent with the coal of coal bunker, PLC controller sends instruction
Open touch control flow；
Step 4 after driver presses touch control flow, puts bin device unlatching, and the coal in coal bunker drops down onto compartment, carries out entrucking；
During entrucking, driver adjusts compartment and coal bunker bottom coal bunker mouth according to situation of coalingging in compartment, front and back is observed on display screen
Relative position；
Step 5, during entrucking, the second electronic loadometer sends weighing in real time and is worth to PLC controller, and PLC controller is calculated automatically
Efficient loading amount, when efficient loading amount reaches setting value, PLC controller send instruction close puts bin device, complete to coaling；Dress
After the completion of coal, counts weight and show actual weight of load on display screen, driver driving vehicle sails out of coal bunker.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910703245.3A CN110255223A (en) | 2019-07-31 | 2019-07-31 | A kind of coal intelligent self-service loading system and coal loading method |
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| CN201910703245.3A CN110255223A (en) | 2019-07-31 | 2019-07-31 | A kind of coal intelligent self-service loading system and coal loading method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111781859A (en) * | 2020-07-02 | 2020-10-16 | 山西晋南钢铁集团有限公司 | Automatic micro powder loading system |
| CN112027695A (en) * | 2020-07-16 | 2020-12-04 | 山东浪潮通软信息科技有限公司 | Rapid coal charging method and system for coal bunker |
| CN112249740A (en) * | 2020-09-24 | 2021-01-22 | 意欧斯物流科技(上海)有限公司 | Automatic loading method and system after automatic ex-warehouse of intelligent warehousing project tray |
| CN112456177A (en) * | 2020-12-21 | 2021-03-09 | 昌吉准东经济技术开发区盛疆汇能矿业有限公司 | Automatic loading system for blocky coal |
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| CN210286041U (en) * | 2019-07-31 | 2020-04-10 | 临沂矿业集团菏泽煤电有限公司 | Intelligent self-service loading system for coal |
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| CN203838755U (en) * | 2014-05-19 | 2014-09-17 | 彬县水帘洞煤炭有限责任公司 | Coal mine coal dispatching management system based on wireless radio-frequency technology |
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| CN111781859A (en) * | 2020-07-02 | 2020-10-16 | 山西晋南钢铁集团有限公司 | Automatic micro powder loading system |
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| CN112456177A (en) * | 2020-12-21 | 2021-03-09 | 昌吉准东经济技术开发区盛疆汇能矿业有限公司 | Automatic loading system for blocky coal |
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