Some fast – assembly lower – slewing tower cranes with telescopic tower – body structures and horizontal booms (such as the QT16 – type tower crane) mostly complete the erection and installation according to this method. The installation procedure is as follows: (1) Setting up the Outriggers Pull out the four outriggers and lower the […]
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The performance and evaluation methods of hydraulic oils are crucial to ensure the optimal functioning of hydraulic systems, which are widely used in industrial, construction, and automotive machinery. Hydraulic oil must possess several key properties to meet the demanding requirements of modern hydraulic systems, which are becoming more compact, high-pressure, and automated. This article outlines […]
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The operation of lifting electromagnets can be controlled and optimized in terms of both acceleration and delay. These modifications can be achieved through changes in the structural design and additional circuit components. Below is a detailed explanation of methods to accelerate and delay the operation of lifting electromagnetic cranes, including their advantages and working principles. […]
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In the operation of three-phase AC motors, abnormal vibrations can occur due to various factors. These vibrations not only affect the normal operation and performance of the motor but also may lead to equipment damage and safety hazards. Donc, it is crucial to accurately identify the abnormal vibration phenomena and analyze their causes. This article […]
Personnel engaged in suspended high-altitude operations should fasten their safety belts securely. The selection and wearing of safety belts should comply with the relevant provisions of the current national standard « Safety Belt » (GB6095). Safety belts are crucial for protecting the lives of workers in high-altitude situations. They are designed to prevent falls and reduce the […]
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Electric suspended platforms are commonly used in various construction projects for tasks that require working at heights, such as facade cleaning, painting, and installation of external equipment. Cependant, as with any equipment, the safe and efficient use of these platforms requires careful attention to detail and strict adherence to certain guidelines. Below are the seven […]
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Understanding of Grounding in GB60BT-85 StandardThe main basis for the inspection work is the « Safety Regulations for Lifting Machinery », namely GB6067-85 (hereinafter referred to as the regulations). In the section of grounding structure, the regulations stipulate that the metal structure of the crane must have a reliable electrical connection. For cranes operating on rails, they […]
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je. Common Knowledge of Lifting Machinery Lifting Machinery and Cranes Lifting machinery refers to equipment widely used in modern industrial production for lifting, transporting, unloading, installation, and personnel transport operations. These machines are indispensable for various industrial tasks. A crane is a type of lifting machinery that operates intermittently or repetitively. It lifts or lowers […]
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La déformation des structures métalliques est un problème assez courant, Et le faisceau principal, En tant que composante de charge principale des grues de type pont, est inévitablement affecté. Pour minimiser la survenue de déformation du cadre du pont, Les recherches suivantes ont été menées sur cette question: Formes de déformation de la réduction du cadre du pont du cambre du principal […]
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Les élingues de corde métallique en acier sont largement utilisées dans diverses opérations de levage en raison de leur forte résistance et durabilité. Cependant, Pour assurer la sécurité des opérations de levage et la longévité des élingues, il est crucial de suivre les règles strictes de l'utilisation de la sécurité. Cet article fournira une introduction détaillée aux règles d'utilisation de la sécurité de l'acier […]