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LUDO KING MOBILE => Gameplay Discussion => Topic started by: tai tai on February 08, 2025, 12:45:38 PM
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As an indispensable large-scale equipment in modern industrial production, the installation of electric double girder double hook overhead cranes not only concerns production efficiency, but also directly affects operational safety. The special construction program aims to ensure the high efficiency, safety and quality control of the crane installation process through scientific planning and systematic implementation. The program will be detailed from the construction of a comprehensive preparation, to the installation of the steps of the fine implementation, to the construction of safety and quality control of the key measures, until the construction acceptance and maintenance of the later comprehensive planning. Through the implementation of this program, we aim to provide a set of standardized and regulated electric double girder and double hook overhead crane installation and construction process, which will help enterprises to improve production efficiency and safety management level.
Construction program overview and objectives
As a large-scale industrial equipment, electric double girder double hook overhead travelling crane plays a key role in heavy material handling. This construction program is designed to elaborate the installation process of electric double girder double hook overhead travelling crane, the preparation work before construction, safety and quality control measures, progress plan and resource allocation, as well as the specific requirements for construction acceptance and post maintenance. The goal is to ensure the smooth progress of the whole installation process, guarantee the accuracy and safety of the equipment installation, improve the construction efficiency, and at the same time ensure that the cranes can operate stably and efficiently after commissioning, providing a strong guarantee for the enterprise's logistics transportation and safe production.
Overall framework of the construction program
Overall framework of the construction program
Pre-construction preparation and condition inspection
Construction team formation and training
The formation of the construction team is the key to the entire project, we strictly select experienced and skilled engineers, technicians and skilled workers to ensure that the construction team has the appropriate professional qualifications and skill levels. In order to ensure the standardization and safety of the construction process, we provide comprehensive training to all personnel involved in the construction process, including but not limited to the structural characteristics of the crane, installation procedures, safe operation procedures and emergency response methods.
Equipment and material preparation
In the equipment and material preparation stage, we prepare all the required equipment and materials in advance according to the design requirements and construction program of the crane. These equipment and materials include, but are not limited to, the main girder, end girder, hoisting mechanism, operating mechanism, electrical components, safety devices, etc. We strictly control the quality of the equipment and materials to ensure that they comply with the relevant standards and specifications, in order to avoid construction delays or quality hazards caused by material problems.
Inspection of construction site conditions
Before the construction, we conduct a comprehensive and detailed inspection of the construction site to ensure that the construction site has the following conditions: the site is level and the foundation is solid and free from hidden dangers; obstacles are cleaned up and do not affect the installation and construction of the crane; the infrastructure of electricity, water, communication and other infrastructure is perfect and can meet the construction needs; environmental factors such as wind, temperature and so on are within control. At the same time, the possible environmental risks are assessed according to the actual situation on site, and corresponding countermeasures are formulated.
Construction team qualification and training
Serial number Category Content Inspection results (yes/no) Note
1 Construction team formation Engineers, technicians and skilled workers _ Screening based on project needs
2 Professional qualification Possess appropriate professional qualifications _ Verification of qualification certificates
3 Skill level Highly skilled and experienced _ Through practical operation or assessment evaluation
4 Training content Structural characteristics of cranes _ Training records and assessment results
5 Training content Installation steps _ Training records and assessment results
6 Training content Safety Regulations _ Training records and assessment results
7 Training content Emergency response methods _ Training records and assessment results
Construction site conditions checklist
Serial number Inspection items Inspection content Inspection results (compliance/non-compliance) Note
1 Site conditions The site is flat and the foundation is solid without any hidden dangers _ Site survey records
2 Clearing Obstacles Obstacles are cleared and do not affect construction _ Site survey records
3 Infrastructure Perfect electricity, water source and communication _ Site survey records
4 Environmental factors Within the controllable range of wind, temperature, etc. _ Weather forecasting and site monitoring
5 Environmental risk Assess potential environmental risks _ Risk assessment reports
6 Response measures Formulate corresponding response measures _ Emergency plan and measures record
Crane installation steps and methods
Foundation construction and installation of embedded parts
Foundation construction is the key link in crane installation. Before the foundation construction, a detailed site survey needs to be carried out according to the design drawings to ensure that the construction environment meets the design requirements. During the excavation of the foundation, the depth and size of the excavation need to be precisely controlled to avoid damage to the foundation. The foundation needs to be poured with high-strength concrete to ensure its strength and stability. During the pouring process, care should be taken to control the uniformity and compactness of the concrete to prevent voids and cracks. After the concrete pouring is completed, appropriate maintenance work must be carried out to ensure that the strength and stability of the foundation meet the design requirements. At the same time, the installation of embedded parts is also an important part of the foundation construction. The location, size and elevation of the embedded parts must be installed in strict accordance with the design requirements. During the installation of embedded parts, effective fixing measures need to be taken to ensure that they will not move or deform due to vibration or external forces during construction. The surface of the embedded parts should be rust-proof to extend their service life. Basic construction and installation of embedded parts are the basic work of crane installation, which provides a solid foundation for subsequent crane installation.
double trolley hook bridge crane
Assembly of main and end beams
The assembly of the main beam and end beam is one of the important links in the installation of the crane. During the assembly process, high-strength bolts need to be used to connect the components together to ensure the firmness and tightness of the connection. At the same time, the connection parts also need to be anticorrosive to extend the service life of the equipment. The parallelism and verticality of the main beam and end beam are the key factors to ensure the stability and operating accuracy of the crane. During the assembly process, measuring instruments should be used for accurate measurement and calibration to ensure that the parameters meet the design requirements. If any deviations are found, adjustments must be made in time to ensure the normal operation and safety of the crane.
Installation of lifting mechanism and operating mechanism
The installation of lifting mechanism and operating mechanism is the core link of crane installation. During the installation process, it is necessary to operate in strict accordance with the design requirements. For key components such as motors, reducers, and brakes in the lifting mechanism and operating mechanism, detailed inspection and debugging are required to ensure their good performance. Especially for wearing parts such as transmission chains and wire ropes, preload and adjustment are required to improve the reliability and service life of the equipment. In addition, the appearance of the equipment needs to be checked to ensure that it is neat and intact. During the inspection process, if any problems are found, they must be dealt with in time to ensure the normal operation and safe use of the equipment.
Installation of safety devices and electrical systems
The installation of safety devices is an important guarantee to ensure the safe operation of the crane. During the installation process, the design requirements must be strictly followed for operation. Critical safety devices such as limit switches, overload protection devices, and emergency stop buttons need to be sensitive and reliable; the installation of electrical systems needs to follow relevant electrical safety regulations for wiring, wiring, and insulation testing; necessary grounding protection treatment for electrical systems to prevent accidents caused by leakage and other reasons.; After the installation is completed, the overall equipment needs to be debugged and operated to test whether its performance indicators meet the design requirements and standards; if a problem is found, it needs to be adjusted and dealt with in time until the equipment fully meets the requirements for use before it can be put into normal use.
Construction Safety and Quality Control
Construction safety measures and emergency plans
During the construction process, the principle of production safety must always be adhered to, and construction safety is given the first priority. To this end, a series of safety rules and regulations should be established and strictly enforced to ensure that every aspect of the construction site is under strict control. In the infrastructure of the construction site, eye-catching safety warning signs should be set up, such as no fireworks, beware of falling, etc., in order to remind construction workers and passers-by to pay attention to safety. At the same time, construction workers must properly wear safety protection equipment, such as helmets, protective glasses, gloves, etc., to reduce the risk of accidental injury. In order to identify and solve potential safety hazards in a timely manner, it is also necessary to carry out regular safety inspections and conduct a comprehensive check of the construction site to ensure that nothing is left out.
The development of emergency plans and drills are equally important. For possible emergencies, such as fires and accidents, detailed emergency plans should be made in advance to clarify the emergency organization, rescue procedures and division of responsibilities. In order to ensure the effectiveness of the plan, simulation drills should also be carried out regularly to improve the emergency response capability, so that the construction personnel can quickly and accurately take countermeasures in the face of emergencies.
Quality control standards and inspection methods
Construction quality control is a key link to ensure the performance of the crane. In the construction process, quality control must be carried out in strict accordance with the design requirements and relevant standards. In order to ensure the construction quality and accuracy, it is necessary to set up inspection points at key nodes and carry out process inspection and final inspection. Process inspection includes sampling and monitoring of key processes during construction to ensure that the construction quality and accuracy meet the design requirements. The final inspection is a comprehensive inspection after the completion of construction to ensure that the entire construction process meets the design requirements and standards.
Special construction program for electric double girder double hook overhead cranes (https://www.craneyt.com/special-construction-program-for-electric-double-girder-double-hook-overhead-cranes.html)