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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I. Common Knowledge of Lifting Machinery Lifting Machinery and Cranes Lifting machinery refers to equipment widely used in modern industrial production for lifting, transportando, 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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The deformation of metal structures is a rather common problem, and the main beam, as the primary load-bearing component of bridge-type cranes, is inevitably affected. To minimize the occurrence of bridge frame deformation, the following research has been conducted on this issue: Deformation Forms of the Bridge Frame Reduction of the Camber of the Main […]
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Steel wire rope slings are widely used in various lifting operations due to their high strength and durability. No entanto, to ensure the safety of lifting operations and the longevity of the slings, it is crucial to follow strict safety usage rules. This article will provide a detailed introduction to the safety usage rules of steel […]
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Twin-screw compressors are widely used in various industrial applications due to their high efficiency and reliability. No entanto, to ensure their stable operation and prolong their service life, regular maintenance and proper repair are essential. This article will elaborate on the specific steps and methods for the maintenance and repair of twin-screw compressors in detail. 1. […]
To ensure the safe operation of cranes, various safety protection devices are installed. These devices are crucial for preventing accidents and maintaining stability during lifting operations. Abaixo, we discuss seven essential safety devices that enhance crane operation security: 1. Load Indicator The load indicator is installed on the side of the main boom (typically on […]
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Chain block electric hoists are widely used in various industrial and construction fields for their convenience and efficiency in lifting and moving heavy objects. No entanto, improper installation can lead to serious safety hazards and affect the performance and service life of the hoist. Portanto, it is crucial to pay attention to many details during the […]
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Overhead crane operators must undergo training and pass an examination, and only those who hold an operation certificate are allowed to operate independently. Without special training and passing the relevant examination, one shall not operate alone. This is a fundamental requirement to ensure that operators have the necessary professional knowledge and skills to handle the […]
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Cavitation PhenomenonWhen the pressure drops below the air separation pressure, air dissolved in the liquid is released in the form of bubbles. These bubbles occupy space within the oil, causing the liquid to become discontinuous. This phenomenon is referred to as cavitation. Cavitation and Erosion ProcessAfter cavitation occurs, the bubbles flow into the high-pressure zone, […]
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Lifting chains are an essential component of lifting machinery, playing a crucial role in enhancing operational efficiency and expanding the working range of lifting equipment. These chains can be adjusted in length according to the lifting height required, making them indispensable for various industrial applications. No entanto, to ensure safety, eficiência, and longevity, it is critical […]