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. Therefore, it is crucial to accurately identify the abnormal vibration phenomena and analyze their causes. This article […]
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Feb
Feb
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. However, 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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Feb
Feb
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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Feb
Feb
I. 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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Feb
Feb
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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Feb
Feb
Steel wire rope slings are widely used in various lifting operations due to their high strength and durability. However, 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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Feb
Feb
Twin-screw compressors are widely used in various industrial applications due to their high efficiency and reliability. However, 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. […]
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Feb
Feb
Chain block electric hoists are widely used in various industrial and construction fields for their convenience and efficiency in lifting and moving heavy objects. However, improper installation can lead to serious safety hazards and affect the performance and service life of the hoist. Therefore, it is crucial to pay attention to many details during the […]
22
Feb
Feb
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, […]
22
Feb
Feb
After a diesel engine has been in operation for a certain period, carbon deposits will form in the combustion chamber, intake and exhaust valves, intake and exhaust manifolds, and exhaust pipes due to incomplete combustion. Some oil stains will accumulate on the surfaces of certain components due to oil leakage and the evaporation of oil […]