Since March 21, 2021 after receiving the production task of automatic loaders. Our company attaches great importance to this, and we believe that only a good organizational structure can ensure the smooth implementation of this project. For this purpose, our company has set up an organization and leading institution suitable for the implementation and management of this project system platform.
The organizational structure of this project is as follows:
1. Specific steps of supply, installation and commissioning
In order to make the project go on in an orderly way according to the plan, our company divides the whole implementation process into three stages: early implementation, middle implementation and late implementation, and each stage is divided into several links according to specific tasks. The statistics of the project implementation links are as follows:
| Theprojectlink | Task Description | Task Enforcement Team |
| Implementationoftheearly | ||
| Equipment supply | Conduct business negotiation and procurement to ensure that all equipment in the project arrives on site on time and safely. | Business group Technical Support Team |
| detailed Implementation plan |
According to the design scheme, assist the project unit to formulate the technical standards for equipment installation and implementation; According to the current situation of the project unit, provide detailed unit distribution environment and other allocation plan; Make detailed schedule; Compile implementation plan, technical parameter manual, etc |
Technical Support Team Quality Control Unit |
| Internal technical training | Relevant technical personnel to conduct internal training. | Technical Support Team Installation Implementation Team |
| Implement an environmental survey | Check and verify the environment of the implementation site. | Technical Support Team Installation Implementation Team |
| Implementation of mid - | ||
| Equipment arrival and acceptance | Equipment arrival, and in the designated place of delivery, delivery acceptance | Project Leadership Group Business team Installation Implementation Team |
| Site installation and commissioning | Implementation team to carry out on-site equipment installation and commissioning work, on-site training | Technical Support Team Installation Implementation Team |
| At the beginning of equipment inspection | After the implementation team completes the installation and debugging work, it carries out network coordination and self-tests on the equipment according to the test plan. | Technical Support Team Installation Implementation Team |
| Commissioning of equipment | After the initial inspection of the equipment passed, the trial operation | Technical Support Team Installation Implementation Team |
| Carry out the equipment acceptance according to the acceptance plan. | Technical Support Team Installation Implementation Team The acceptance team |
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| The implementation of the late | ||
| Technical support and after-sales service | Provide users with timely and accurate help, including the use of hotline consultation, fault repair. | After-sales Support Team |
2. Project supply
After signing the contract with the project unit, we will complete the goods preparation work immediately. During the supply period, our company will closely track the production and transportation of goods. We will report the arrival of the goods to the project unit regularly in the form of the arrival tracking table.
3. Total quality management
Strictly implement ISO9000 quality standard in work, implement and implement.
Objective: to meet the requirements of users, standardize their own behavior, to achieve the effect of mutual benefit of both supply and demand;
Content:
Quality planning - purpose, scope, what to do, when to do it, who to do it, how to do it;
Quality control -- monitoring the process to find and eliminate nonconformities;
Quality assurance -- to meet the quality requirements and win the trust of the buyer;
Quality improvement -- to perfect and improve the quality system;
4. Design principles
In order to ensure the efficient, stable, economic and safe operation of the system, the system follows the following design principles:
systemic
According to the material measurement characteristics of this project, the system is designed from the integration of the whole business of the enterprise and integrated into the existing one-card intelligent weighing system to solve the problems of integration of business data from the intelligent departments and high sharing of unattended weighing data.
advanced technology
The system uses network technology, operating system platform, database platform, application software architecture, our company's own weighing and frequency conversion control combined with the fuzzy control system and other systems, has advanced and advanced.
The technology adopted by the system is still widely used in the world at present and is high-end technology, rather than has been abandoned or will be abandoned, the practice has proved that its performance is stable and reliable.
By truck mounted on the mobile platform technology, transport vehicle automatic identification, as long as the truck driver into the parking space, mobile weighing system automatically truck to loading quickly, automatic loading system, the system automatically control the feeding machine, conveyor, discharge valve, bulk head start work, such as dust catcher equipment), according to the cargo of the flow of vehicles, Automatically adjust the running speed and smoothly run forward until it is loaded to the set weight (at this time the container is just full) and the driver drives away.
The system will upload the weighing data to the existing weighing management system of the company. The whole loading process without manual intervention (operation), the system control is completed automatically.
design concept to confirm the first automatic loading machine it is a weighing device. The confirmation of this concept is the basis of this design, weighing device has a precision of the problem, everything must meet the requirements of the relevant national weighing device specification. Strive to achieve the national trade weighing apparatus, three level weighing apparatus (3000 indexing value number, indexing value 50 kg) requirements, loading can be directly shipped after completion, improve the shipping and production efficiency (fixed truck scale only as sampling use).
system open, strong expansibility
System openness: System openness mainly refers to providing interfaces for external data exchange;
Extensibility is strong: refers to the system function is easy to expand, in the future can be added on the basis of the existing system functions, the scale of the entire system network can be further expanded and extended, operating system, database platform, application software, network interconnection means and other easy to achieve upgrading.
security
The system design adopts a variety of effective and strict security technical measures to provide strict authority control to ensure the security of the system and information.
Maintainability
The system design fully considers the difficulty and workload of administrators and maintenance personnel to carry out daily maintenance of the system, provides various means to track and monitor the system operation, and is responsible for the management and technical business training of user management maintenance personnel.
stability
Improve the work efficiency of measurement link, shorten the auxiliary residence time of vehicle measurement, high positioning accuracy, reliable performance, good long-term stability, to meet the needs of modern automatic weighing control.
To prevent cheating
Relying on video monitoring technology and photoelectric monitoring technology, completely replace manual operation. To achieve measurement business anti-cheating, environmental monitoring and protection, vehicle traffic monitoring and protection.
Automatic loader system should be able to automatically control the upstream equipment feeder, conveyor, discharge valve, bulk head, dust collector and other equipment to start, run and stop.
The automatic loader system shall be able to automatically measure and load materials as required.
The automatic loader system shall be able to output the information of the metered loaded material.
Automatic loading machine system should be able to load in the process of not spilling material, cloth should be uniform, to avoid the vehicle transport bumpy spilling material.
The loading speed of the automatic loader system is controlled within 50-60 seconds.
5. Technical parameters reached
| model | SD-D-100T self-mobile electronic truck scale |
| Weighing platform size | 3.2m（W）×17m（L） |
| Rated weighing | 100t |
| Total drive power | 12KW（实现快速倒车到位、20米/分钟、不限流量的快速装车） |
| Charging time | 50-60秒 |
| Static accuracy class of loading machine | 中准确度Ⅲ级 |
| Loading machine indexing value | 50公斤 |
| Degree of loading machine | 3000 |
| Weighing scale | 1~100 吨 |
| The weighing accuracy | 1‰ |
| Rated maximum error | ±100 公斤 |
| Safety overload | 135% |
| Limit overload | 200% |
| orbital | QU70 |
| gauge | 2.1m |
| The largest pulley | 10t |
| Weighing platform structure | Steel box type structure, torsion resistant structure, AC frequency conversion motor drive. Automatic welding with carbon dioxide protection welder |
| Sensor accuracy | C3 level digital sensor |
| instrument | Suitable for the whole aggregate warehouse overall weighing system and automatic loading system of the special instrument |
| Whether the certification can be obtained | can |
6. Loading process
1) The customer enters the loading area of the bone bin after passing the merchant management platform, QR code management and queuing procedure. After code scanning and identification, the system judges whether the car is allowed to load at the loading point and whether it matches the loading materials in the hopper. The loading screen indicates that the car is allowed to load.
2) Move the truck scale platform to move the platform truck scale together with the truck quickly (20m/min) to the appropriate loading space. The loading space is controlled by the computer according to the model.
3) Automatically weigh the tare weight after the truck arrives;
4) The system automatically controls the feeder, conveyor, discharge valve, bulk head, dust collector and other equipment to start working and start dropping, that is, it can be loaded with small flow or large flow;
5) With the continuous increase of goods in the truck, the platform truck scale moves forward smoothly together with the truck. The computer calculates the speed of moving forward according to the length of the truck compartment, the predetermined loading weight and the weight of the loaded goods. Make sure the truck is full and carries exactly the predetermined weight of the cargo. So as to ensure that the automatic loading machine system in the loading process is not sprinkled, uniform cloth, to avoid the vehicle transport bumpy sprinkling;
6) Vehicle loading and metering are completed, the platform moves forward to front-end positioning, and the weighing data uploading platform will be connected with the ERP financial management system for settlement.
7) The driver drives away and the whole loading process is completed. The whole loading process needs no manual intervention (operation), the system control is completed automatically, and the whole process of sound and light signal safety guidance.
7, fixed value loading and weighing body
Constant value loading system by roller (box) truck weighing platform, sensor module, weighing instrument, computer, printer, FM, belt CVT system installation and pit (can be used as a water pit, stored much rain, with automatic drainage system can effectively avoid the phenomenon of electric equipment 寖 water) and so on the basis of:
This project adopts the second generation products of mobile (box-type) truck scale weighing platform independently developed by our company.
Up to now, the third generation mobile truck scale weighing platform developed by our company has been completed. The third generation mobile truck scale weighing platform adopts an integral platform and electromagnetic composite positioning system.
Electromagnetic composite positioning system makes vehicle and mobile platform positioning more accurate.
The integral weighing platform improves the weighing accuracy and fully meets the relevant specifications and standards of the national trade weighing apparatus. The vehicle can walk and move freely on the integral weighing platform.
8. Control system
The control system is composed of computer, PLC control cabinet and combined with the original one card system.
The control system is the core of the whole system, which controls the operation of the material weighing module, the blanking control module, the movement control module, the safety anchoring module and the safety management module.
Each individual module is effectively connected together by the control system. The multi-functional modules are seamlessly connected and the intelligent centralized control ensures the effective and safe operation of the whole system.
The control system starts to take over all the loading work after the driver begins to scan the code and drive the car to the limit device of the mobile truck scale platform.
1) Move the truck scale platform to quickly move the platform truck scale together with the truck to the appropriate loading space. The loading space is controlled by the computer according to the model.
2) Automatically weigh the tare weight after the truck arrives;
3) The system automatically controls the feeder, conveyor, discharge valve, bulk head, dust collector and other equipment to start working and start blanking; It can be loaded with small flow or large flow.
4) With the continuous increase of goods in the truck, the platform truck scale moves forward smoothly together with the truck. The computer calculates the speed of moving forward according to the length of the truck compartment, the predetermined loading weight and the weight of the loaded goods. Make sure the truck is fully loaded with exactly the weight set by the preload. So as to ensure that the automatic loading machine system in the loading process is not sprinkled, the cloth should be uniform, to avoid the vehicle transport bumpy sprinkling;
5) Vehicle loading and measurement have been completed, and the data uploading platform will be connected with the ERP financial management system for settlement.
6) The driver drives away and the whole loading process is completed. The whole loading process needs no manual intervention (operation), the system control is completed automatically, and the whole process of sound and light signal safety guidance.
9. Power drive system
The power drive system is composed of computer control system, AC motor frequency conversion servo control system, 4 sets of 3KW AC frequency conversion motors, two reducers, QU70 guide wheel and QU70 track:
After being slowed down by the reducer, the 4 motors drive the mobile truck scale weighing platform to move forward and backward by pressing the track wheel on the QU70 track. Through the frequency converter to achieve low speed and high torque after the start, into a fast operation (the platform and the car's retreat process).
1. After the empty truck scale platform, the truck scale platform and the empty car can reach the specified loading space quickly under the command of the system.
2. When loading; According to the loading weight, blanking speed, flow rate under the command of the computer control system to achieve orderly speed operation.
Inverter multi pulse rectifier, superposition of multiple PWM, unit series of multilevel topology structure, combined with modular design, modular, N + 1 backup, module fault automatic removal of non-stop running, and other functions, and has the characteristics of high power factor, low harmonic pollution, input and output current waveform are close to the sine wave.
10. Power cable suspension system
Vertical suspension scheme of stainless steel slide combined with tank chain wrapped rubber sheathed cable.
Solved the problem of waterproof, rubber sheathed cable wringing.
It solves the problem of cable and cable suspension system damage caused by the accumulation of coal ash, lime and dust after the tank chain is laid flat and used in complex environment.
Adopt stainless steel slide with bearing pulley sliding, making sliding smoother and more corrosion resistant.