To ensure that gear reducers pass factory testing, it is essential to address the issue of intermittent high noise levels. Tests using the ND6 precision sound level meter indicate that low-noise gear reducers register 72.3 dB(A), meeting factory standards, while high-noise gear reducers reach 82.5 dB(A), failing to meet the requirements. Through repeated testing, analysis, […]
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The installation of crane tracks is a crucial process that ensures the proper alignment and operation of overhead cranes. The following detailed steps outline the installation procedure: 1. Line Marking Using the crane girder’s positioning axis as a reference, deploy a theodolite to establish baseline points. At a distance of 60mm from the track centerline, […]
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Introduction Grounding is an essential aspect of crane safety, ensuring the protection of both personnel and equipment from electrical hazards. Proper grounding mitigates the risks of electric shock, fire, and equipment damage by providing a reliable path for electrical currents to flow safely into the earth. This guide provides a comprehensive overview of grounding requirements […]
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Introduction Beam cranes are one of the most widely used types of lifting equipment in industrial and construction environments. They are characterized by their ability to move loads horizontally along a pair of rails or a single track. This guide provides an in-depth exploration of the types and structures of beam cranes, including their operational […]
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Introduction Wire rope slings are an essential component in various lifting and rigging applications due to their durability, flexibility, and high load-bearing capacity. Proper handling and operation are critical to ensure safety and efficiency during lifting tasks. This guide aims to provide comprehensive insights into the essential precautions and best practices for using wire rope […]
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I. Unified Signals for Operators and Signal Personnel Gantry crane operators and signal personnel must use standardized and unified signals to ensure effective communication and coordination. Operators should ascend or descend the control cabin using designated ladders. Before engaging the power supply, the controller must be turned to the neutral position. The cabin floor should […]
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Fuel efficiency is a crucial consideration for operating automotive cranes. By optimizing engine performance and adopting best practices, fuel consumption can be significantly reduced. One effective strategy involves increasing the engine’s compression ratio to its standard value. For diesel engines, the typical compression ratio ranges between 16:1 and 22:1. Raising the compression ratio enhances the […]
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I. Reasonable Matching The tires at the front and rear, left and right of the machinery must be reasonably matched. The tires assembled on the same machinery should ensure the same brand, specification, structure, tread pattern, and load. Radial tires and bias-ply tires cannot be mixed; tires with different rim diameters, widths, or different cross-sectional […]
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The lifting capacity of a tower crane refers to the weight that its hook can safely lift. This capacity includes the weight of the slings, lifting devices, and containers. The lifting capacity varies with the crane’s working radius. Therefore, each crane is equipped with a unique lifting capacity chart corresponding to its operating radius, commonly […]
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Installation and Acceptance Standards for Trolley Conductors I. Brackets Anti-corrosion TreatmentBrackets should be treated with anti-corrosion measures to prevent rust and deterioration over time. This is crucial as they are often exposed to various environmental conditions, such as moisture, dust, and chemicals. Corrosion can weaken the structural integrity of the brackets, potentially leading to instability […]