私. Failure Phenomena of Couplings Severe Wear on Gear Teeth Surfaces: One of the common failure phenomena of couplings is the severe wear on the gear teeth surfaces. This wear can significantly affect the meshing and transmission performance of the coupling. When the gear teeth surfaces are worn, the smooth engagement between the gears is […]
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私. Pre-Operation Inspection and Load Limitation Thorough Inspection of Components: Before using a manual chain hoist, the operator must conduct a detailed inspection of each and every component and part, including each link of the chain. Only when everything is in good condition can it be put into use. This initial inspection is of crucial […]
私. Introduction Crane cables play a vital role in the operation of cranes, ensuring the transmission of power and signals for various functions. しかし, different arrangements and operating conditions of the cables require specific attention to ensure their safe and efficient use. This article will discuss in detail the precautions for using crane cables when […]
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私. Personal Protection Measures Proper Use of Safety Harnesses by Workers at Heights: Workers engaged in suspended work at heights should firmly fasten their safety harnesses. The selection and wearing of safety harnesses should comply with the relevant provisions of the current national standard “Safety Harnesses” (GB6095). ハイツで作業するとき, the safety of workers […]
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私. Introduction Crane wheel rail gauging is a common problem that can significantly affect the normal operation and service life of cranes. When wheels deviate from their proper running tracks and start to “gnaw” on the rails, it not only causes abnormal wear on the wheels and rails but also poses potential safety hazards. したがって, […]
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Tower cranes with telescopic tower structures and horizontal jib configurations, such as the QT16-type quick-assembly lower slewing tower crane, often follow a sequential procedure for installation. Below is a detailed step-by-step guide: 1. Stabilizing the Base Frame Extend all four support legs and lower the support jacks to lift the tires off the ground. Adjust […]
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In lifting sling operations, two of the most critical aspects are the selection of lifting points and the proper binding methods for objects. Correct choices in these areas ensure stability, 安全性, and prevent accidents or damage during lifting operations. Below is a comprehensive guide to selecting lifting points based on the type of object and […]
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私. General Provisions Site Awareness: Before commencing lifting operations, operators must thoroughly assess the working environment, travel routes, building structures, and the weight of the objects to be handled. Operation Signals: Operators must sound a warning before initiating actions such as hoisting, 旋回, luffing, or traversing. All signals from the designated signal person must be […]
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Truck-mounted cranes are versatile and powerful machines utilized across various construction and lifting operations. しかし, their effective and safe operation requires strict adherence to safety protocols. Below are comprehensive safety operation considerations that should be followed to ensure the safety of operators, bystanders, and the equipment itself. 1. Adhere to Rated Lifting Load Limits Always […]
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The crane overload limiter is a crucial safety device designed to protect cranes from operating beyond their rated capacity, これにより事故を防止し、人員と設備の安全を確保します。. さまざまな保護メカニズムを採用しています, アラームと自動切断を含む, 潜在的な過負荷状況を管理するため. Below are the primary functions of the crane overload limiter, […]